annotate libinterp/parse-tree/oct-parse.in.yy @ 16293:57e87ddfee14

create base class for lexer * lex.h, lex.ll, parse.h, oct-parse.in.yy: (octave_base_lexer): New base class for lexer class. Move most of previous octave_lexer class here. Change all uses.
author John W. Eaton <jwe@octave.org>
date Wed, 13 Mar 2013 02:46:56 -0400
parents fe3b9a51e625
children 0925d1f6875e
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2
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3 Copyright (C) 1993-2012 John W. Eaton
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4 Copyright (C) 2009 David Grundberg
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5 Copyright (C) 2009-2010 VZLU Prague
1
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6
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7 This file is part of Octave.
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8
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9 Octave is free software; you can redistribute it and/or modify it
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10 under the terms of the GNU General Public License as published by the
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11 Free Software Foundation; either version 3 of the License, or (at your
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12 option) any later version.
1
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13
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14 Octave is distributed in the hope that it will be useful, but WITHOUT
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15 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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16 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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17 for more details.
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18
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19 You should have received a copy of the GNU General Public License
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20 along with Octave; see the file COPYING. If not, see
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21 <http://www.gnu.org/licenses/>.
1
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22
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23 */
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24
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25 // Parser for Octave.
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26
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27 // C decarations.
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28
1
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29 %{
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30 #define YYDEBUG 1
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31
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32 #ifdef HAVE_CONFIG_H
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33 #include <config.h>
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34 #endif
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35
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36 #include <cassert>
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37 #include <cstdio>
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38 #include <cstdlib>
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39
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40 #include <iostream>
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41 #include <map>
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42 #include <sstream>
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43
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44 #include "Cell.h"
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45 #include "Matrix.h"
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46 #include "cmd-edit.h"
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47 #include "cmd-hist.h"
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48 #include "file-ops.h"
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49 #include "file-stat.h"
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50 #include "oct-env.h"
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51 #include "oct-time.h"
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52 #include "quit.h"
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53
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54 #include "comment-list.h"
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55 #include "defaults.h"
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56 #include "defun.h"
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57 #include "dirfns.h"
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58 #include "dynamic-ld.h"
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59 #include "error.h"
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60 #include "input.h"
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61 #include "lex.h"
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62 #include "load-path.h"
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63 #include "oct-hist.h"
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64 #include "oct-map.h"
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65 #include "ov-fcn-handle.h"
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66 #include "ov-usr-fcn.h"
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67 #include "ov-null-mat.h"
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68 #include "toplev.h"
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69 #include "pager.h"
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70 #include "parse.h"
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71 #include "parse-private.h"
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72 #include "pt-all.h"
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73 #include "pt-eval.h"
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74 #include "symtab.h"
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75 #include "token.h"
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76 #include "unwind-prot.h"
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77 #include "utils.h"
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78 #include "variables.h"
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79
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80 // oct-parse.h must be included after pt-all.h
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81 #include <oct-parse.h>
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82
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83 extern int octave_lex (YYSTYPE *, void *);
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84
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85 // Global access to currently active lexer.
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86 // FIXME -- to be removed after more parser+lexer refactoring.
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87 octave_base_lexer *LEXER = 0;
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88
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89 #if defined (GNULIB_NAMESPACE)
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90 // Calls to the following functions appear in the generated output from
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91 // Bison without the namespace tag. Redefine them so we will use them
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92 // via the gnulib namespace.
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93 #define fclose GNULIB_NAMESPACE::fclose
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94 #define fprintf GNULIB_NAMESPACE::fprintf
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95 #define malloc GNULIB_NAMESPACE::malloc
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96 #endif
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97
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98 // TRUE means we printed messages about reading startup files.
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99 bool reading_startup_message_printed = false;
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100
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101 // Keep track of symbol table information when parsing functions.
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102 symtab_context parser_symtab_context;
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103
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104 // List of autoloads (function -> file mapping).
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105 static std::map<std::string, std::string> autoload_map;
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106
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107 // Forward declarations for some functions defined at the bottom of
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108 // the file.
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109
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110 static void yyerror (octave_base_parser& parser, const char *s);
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111
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112 // Finish building a statement.
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113 template <class T>
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114 static tree_statement *
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115 make_statement (T *arg)
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116 {
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117 octave_comment_list *comment = octave_comment_buffer::get_comment ();
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118
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119 return new tree_statement (arg, comment);
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120 }
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121
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122 #define ABORT_PARSE \
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123 do \
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124 { \
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125 yyerrok; \
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126 if (! parser_symtab_context.empty ()) \
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127 parser_symtab_context.pop (); \
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128 if ((interactive || forced_interactive) \
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129 && ! lexer.input_from_eval_string ()) \
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130 YYACCEPT; \
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131 else \
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132 YYABORT; \
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133 } \
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134 while (0)
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135
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136 #define lexer parser.lexer
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137 #define scanner lexer.scanner
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138
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139 %}
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140
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141 // Bison declarations.
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142
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143 // Don't add spaces around the = here; it causes some versions of
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144 // bison to fail to properly recognize the directive.
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145
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146 %name-prefix="octave_"
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147
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148 // We are using the pure parser interface and the reentrant lexer
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149 // interface but the Octave parser and lexer are NOT properly
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150 // reentrant because both still use many global variables. It should be
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151 // safe to create a parser object and call it while anotehr parser
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152 // object is active (to parse a callback function while the main
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153 // interactive parser is waiting for input, for example) if you take
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154 // care to properly save and restore (typically with an unwind_protect
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155 // object) relevant global values before and after the nested call.
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156
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157 %define api.pure
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158 %PUSH_PULL_DECL%
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159 %parse-param { octave_base_parser& parser }
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160 %lex-param { void *scanner }
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161
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162 %union
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163 {
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164 // The type of the basic tokens returned by the lexer.
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165 token *tok_val;
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166
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167 // Comment strings that we need to deal with mid-rule.
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168 octave_comment_list *comment_type;
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169
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170 // Types for the nonterminals we generate.
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171 char sep_type;
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172 tree *tree_type;
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173 tree_matrix *tree_matrix_type;
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174 tree_cell *tree_cell_type;
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175 tree_expression *tree_expression_type;
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176 tree_constant *tree_constant_type;
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177 tree_fcn_handle *tree_fcn_handle_type;
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178 tree_anon_fcn_handle *tree_anon_fcn_handle_type;
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179 tree_identifier *tree_identifier_type;
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180 tree_index_expression *tree_index_expression_type;
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181 tree_colon_expression *tree_colon_expression_type;
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182 tree_argument_list *tree_argument_list_type;
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183 tree_parameter_list *tree_parameter_list_type;
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184 tree_command *tree_command_type;
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185 tree_if_command *tree_if_command_type;
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186 tree_if_clause *tree_if_clause_type;
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187 tree_if_command_list *tree_if_command_list_type;
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188 tree_switch_command *tree_switch_command_type;
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189 tree_switch_case *tree_switch_case_type;
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190 tree_switch_case_list *tree_switch_case_list_type;
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191 tree_decl_elt *tree_decl_elt_type;
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192 tree_decl_init_list *tree_decl_init_list_type;
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193 tree_decl_command *tree_decl_command_type;
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194 tree_statement *tree_statement_type;
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195 tree_statement_list *tree_statement_list_type;
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196 octave_user_function *octave_user_function_type;
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197 void *dummy_type;
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198 }
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199
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200 // Tokens with line and column information.
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201 %token <tok_val> '=' ':' '-' '+' '*' '/'
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202 %token <tok_val> ADD_EQ SUB_EQ MUL_EQ DIV_EQ LEFTDIV_EQ POW_EQ
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203 %token <tok_val> EMUL_EQ EDIV_EQ ELEFTDIV_EQ EPOW_EQ AND_EQ OR_EQ
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204 %token <tok_val> LSHIFT_EQ RSHIFT_EQ LSHIFT RSHIFT
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205 %token <tok_val> EXPR_AND_AND EXPR_OR_OR
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206 %token <tok_val> EXPR_AND EXPR_OR EXPR_NOT
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207 %token <tok_val> EXPR_LT EXPR_LE EXPR_EQ EXPR_NE EXPR_GE EXPR_GT
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208 %token <tok_val> LEFTDIV EMUL EDIV ELEFTDIV EPLUS EMINUS
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209 %token <tok_val> HERMITIAN TRANSPOSE
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210 %token <tok_val> PLUS_PLUS MINUS_MINUS POW EPOW
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211 %token <tok_val> NUM IMAG_NUM
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212 %token <tok_val> STRUCT_ELT
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213 %token <tok_val> NAME
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214 %token <tok_val> END
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215 %token <tok_val> DQ_STRING SQ_STRING
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216 %token <tok_val> FOR PARFOR WHILE DO UNTIL
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217 %token <tok_val> IF ELSEIF ELSE
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218 %token <tok_val> SWITCH CASE OTHERWISE
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219 %token <tok_val> BREAK CONTINUE FUNC_RET
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220 %token <tok_val> UNWIND CLEANUP
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221 %token <tok_val> TRY CATCH
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222 %token <tok_val> GLOBAL PERSISTENT
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223 %token <tok_val> FCN_HANDLE
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224 %token <tok_val> PROPERTIES METHODS EVENTS ENUMERATION
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225 %token <tok_val> METAQUERY
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226 %token <tok_val> SUPERCLASSREF
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227 %token <tok_val> GET SET
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228
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229 // Other tokens.
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230 %token END_OF_INPUT LEXICAL_ERROR
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231 %token FCN INPUT_FILE CLASSDEF
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232 // %token VARARGIN VARARGOUT
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233
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234 // Nonterminals we construct.
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235 %type <comment_type> stash_comment function_beg classdef_beg
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236 %type <comment_type> properties_beg methods_beg events_beg enum_beg
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237 %type <sep_type> sep_no_nl opt_sep_no_nl nl opt_nl sep opt_sep
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238 %type <tree_type> input
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239 %type <tree_constant_type> string constant magic_colon
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240 %type <tree_anon_fcn_handle_type> anon_fcn_handle
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241 %type <tree_fcn_handle_type> fcn_handle
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242 %type <tree_matrix_type> matrix_rows matrix_rows1
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243 %type <tree_cell_type> cell_rows cell_rows1
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244 %type <tree_expression_type> matrix cell
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245 %type <tree_expression_type> primary_expr oper_expr
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246 %type <tree_expression_type> simple_expr colon_expr assign_expr expression
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247 %type <tree_identifier_type> identifier fcn_name magic_tilde
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248 %type <tree_identifier_type> superclass_identifier meta_identifier
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249 %type <octave_user_function_type> function1 function2 classdef1
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250 %type <tree_index_expression_type> word_list_cmd
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251 %type <tree_colon_expression_type> colon_expr1
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252 %type <tree_argument_list_type> arg_list word_list assign_lhs
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253 %type <tree_argument_list_type> cell_or_matrix_row
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254 %type <tree_parameter_list_type> param_list param_list1 param_list2
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255 %type <tree_parameter_list_type> return_list return_list1
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256 %type <tree_parameter_list_type> superclasses opt_superclasses
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257 %type <tree_command_type> command select_command loop_command
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258 %type <tree_command_type> jump_command except_command function
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259 %type <tree_command_type> file classdef
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260 %type <tree_if_command_type> if_command
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261 %type <tree_if_clause_type> elseif_clause else_clause
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262 %type <tree_if_command_list_type> if_cmd_list1 if_cmd_list
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263 %type <tree_switch_command_type> switch_command
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264 %type <tree_switch_case_type> switch_case default_case
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265 %type <tree_switch_case_list_type> case_list1 case_list
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266 %type <tree_decl_elt_type> decl2
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267 %type <tree_decl_init_list_type> decl1
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268 %type <tree_decl_command_type> declaration
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269 %type <tree_statement_type> statement function_end classdef_end
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270 %type <tree_statement_list_type> simple_list simple_list1 list list1
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271 %type <tree_statement_list_type> opt_list input1
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272 // These types need to be specified.
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273 %type <dummy_type> attr
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274 %type <dummy_type> class_event
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275 %type <dummy_type> class_enum
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276 %type <dummy_type> class_property
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277 %type <dummy_type> properties_list
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278 %type <dummy_type> properties_block
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279 %type <dummy_type> methods_list
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280 %type <dummy_type> methods_block
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281 %type <dummy_type> opt_attr_list
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282 %type <dummy_type> attr_list
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283 %type <dummy_type> events_list
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284 %type <dummy_type> events_block
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285 %type <dummy_type> enum_list
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286 %type <dummy_type> enum_block
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287 %type <dummy_type> class_body
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288
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289 // Precedence and associativity.
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290 %right '=' ADD_EQ SUB_EQ MUL_EQ DIV_EQ LEFTDIV_EQ POW_EQ EMUL_EQ EDIV_EQ ELEFTDIV_EQ EPOW_EQ OR_EQ AND_EQ LSHIFT_EQ RSHIFT_EQ
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291 %left EXPR_OR_OR
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292 %left EXPR_AND_AND
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293 %left EXPR_OR
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294 %left EXPR_AND
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295 %left EXPR_LT EXPR_LE EXPR_EQ EXPR_NE EXPR_GE EXPR_GT
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296 %left LSHIFT RSHIFT
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297 %left ':'
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298 %left '-' '+' EPLUS EMINUS
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299 %left '*' '/' LEFTDIV EMUL EDIV ELEFTDIV
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300 %right UNARY EXPR_NOT
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301 %left POW EPOW HERMITIAN TRANSPOSE
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302 %right PLUS_PLUS MINUS_MINUS
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303 %left '(' '.' '{'
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304
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305 // Where to start.
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306 %start input
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307
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308 %%
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309
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310 // ==============================
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311 // Statements and statement lists
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312 // ==============================
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313
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314 input : input1
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315 {
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316 parser.stmt_list = $1;
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317 YYACCEPT;
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318 }
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319 | simple_list parse_error
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320 { ABORT_PARSE; }
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321 | parse_error
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322 { ABORT_PARSE; }
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323 ;
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324
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325 input1 : '\n'
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326 { $$ = 0; }
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327 | END_OF_INPUT
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328 {
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329 lexer.end_of_input = true;
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330 $$ = 0;
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331 }
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332 | simple_list
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333 { $$ = $1; }
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334 | simple_list '\n'
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335 { $$ = $1; }
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336 | simple_list END_OF_INPUT
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337 { $$ = $1; }
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338 ;
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339
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340 simple_list : simple_list1 opt_sep_no_nl
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341 { $$ = parser.set_stmt_print_flag ($1, $2, false); }
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342 ;
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343
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344 simple_list1 : statement
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345 { $$ = parser.make_statement_list ($1); }
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346 | simple_list1 sep_no_nl statement
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347 { $$ = parser.append_statement_list ($1, $2, $3, false); }
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348 ;
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349
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350 opt_list : // empty
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351 { $$ = new tree_statement_list (); }
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352 | list
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353 { $$ = $1; }
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354 ;
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355
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356 list : list1 opt_sep
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357 { $$ = parser.set_stmt_print_flag ($1, $2, true); }
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358 ;
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359
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360 list1 : statement
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361 { $$ = parser.make_statement_list ($1); }
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362 | list1 sep statement
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363 { $$ = parser.append_statement_list ($1, $2, $3, true); }
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364 ;
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365
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366 statement : expression
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367 { $$ = make_statement ($1); }
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368 | command
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369 { $$ = make_statement ($1); }
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370 | word_list_cmd
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371 { $$ = make_statement ($1); }
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372 ;
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373
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374 // =================
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375 // Word-list command
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376 // =================
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377
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378 // These are not really like expressions since they can't appear on
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379 // the RHS of an assignment. But they are also not like commands (IF,
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380 // WHILE, etc.
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381
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382 word_list_cmd : identifier word_list
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383 { $$ = parser.make_index_expression ($1, $2, '('); }
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384 ;
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385
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386 word_list : string
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387 { $$ = new tree_argument_list ($1); }
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388 | word_list string
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389 {
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390 $1->append ($2);
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391 $$ = $1;
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392 }
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393 ;
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394
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395 // ===========
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396 // Expressions
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397 // ===========
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398
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399 identifier : NAME
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400 {
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401 symbol_table::symbol_record *sr = $1->sym_rec ();
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402 $$ = new tree_identifier (*sr, $1->line (), $1->column ());
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403 }
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404 ;
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405
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406 superclass_identifier
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407 : SUPERCLASSREF
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408 { $$ = new tree_identifier ($1->line (), $1->column ()); }
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409 ;
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410
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411 meta_identifier : METAQUERY
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412 { $$ = new tree_identifier ($1->line (), $1->column ()); }
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413 ;
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414
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415 string : DQ_STRING
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416 { $$ = parser.make_constant (DQ_STRING, $1); }
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417 | SQ_STRING
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418 { $$ = parser.make_constant (SQ_STRING, $1); }
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419 ;
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420
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421 constant : NUM
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422 { $$ = parser.make_constant (NUM, $1); }
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423 | IMAG_NUM
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424 { $$ = parser.make_constant (IMAG_NUM, $1); }
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425 | string
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426 { $$ = $1; }
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427 ;
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428
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429 matrix : '[' ']'
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430 { $$ = new tree_constant (octave_null_matrix::instance); }
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431 | '[' ';' ']'
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432 { $$ = new tree_constant (octave_null_matrix::instance); }
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433 | '[' ',' ']'
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434 { $$ = new tree_constant (octave_null_matrix::instance); }
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435 | '[' matrix_rows ']'
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436 { $$ = parser.finish_matrix ($2); }
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437 ;
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438
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439 matrix_rows : matrix_rows1
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440 { $$ = $1; }
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441 | matrix_rows1 ';' // Ignore trailing semicolon.
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442 { $$ = $1; }
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443 ;
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444
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445 matrix_rows1 : cell_or_matrix_row
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446 { $$ = new tree_matrix ($1); }
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diff changeset
447 | matrix_rows1 ';' cell_or_matrix_row
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448 {
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449 $1->append ($3);
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450 $$ = $1;
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451 }
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452 ;
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453
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454 cell : '{' '}'
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455 { $$ = new tree_constant (octave_value (Cell ())); }
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diff changeset
456 | '{' ';' '}'
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457 { $$ = new tree_constant (octave_value (Cell ())); }
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diff changeset
458 | '{' cell_rows '}'
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459 { $$ = parser.finish_cell ($2); }
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460 ;
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461
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462 cell_rows : cell_rows1
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463 { $$ = $1; }
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464 | cell_rows1 ';' // Ignore trailing semicolon.
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465 { $$ = $1; }
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466 ;
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467
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468 cell_rows1 : cell_or_matrix_row
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diff changeset
469 { $$ = new tree_cell ($1); }
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diff changeset
470 | cell_rows1 ';' cell_or_matrix_row
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471 {
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472 $1->append ($3);
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473 $$ = $1;
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474 }
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475 ;
3351
8623649c967c [project @ 1999-11-15 16:17:01 by jwe]
jwe
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diff changeset
476
8623649c967c [project @ 1999-11-15 16:17:01 by jwe]
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diff changeset
477 cell_or_matrix_row
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diff changeset
478 : arg_list
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479 { $$ = $1; }
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diff changeset
480 | arg_list ',' // Ignore trailing comma.
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diff changeset
481 { $$ = $1; }
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482 ;
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483
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484 fcn_handle : '@' FCN_HANDLE
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485 {
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486 $$ = parser.make_fcn_handle ($2);
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diff changeset
487 lexer.looking_at_function_handle--;
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488 }
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489 ;
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490
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diff changeset
491 anon_fcn_handle : '@' param_list statement
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diff changeset
492 {
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493 $$ = parser.make_anon_fcn_handle ($2, $3);
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494 lexer.nesting_level.remove ();
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495 }
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496 ;
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497
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498 primary_expr : identifier
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499 { $$ = $1; }
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500 | constant
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diff changeset
501 { $$ = $1; }
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502 | fcn_handle
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503 { $$ = $1; }
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504 | matrix
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505 {
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506 lexer.looking_at_matrix_or_assign_lhs = false;
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diff changeset
507 $$ = $1;
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508 }
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diff changeset
509 | cell
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510 { $$ = $1; }
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511 | meta_identifier
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512 { $$ = $1; }
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513 | superclass_identifier
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514 { $$ = $1; }
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diff changeset
515 | '(' expression ')'
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516 { $$ = $2->mark_in_parens (); }
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diff changeset
517 ;
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518
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519 magic_colon : ':'
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520 {
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521 octave_value tmp (octave_value::magic_colon_t);
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522 $$ = new tree_constant (tmp);
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523 }
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524 ;
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diff changeset
525
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526 magic_tilde : EXPR_NOT
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527 {
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528 $$ = new tree_black_hole ();
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529 }
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530 ;
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531
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532 arg_list : expression
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533 { $$ = new tree_argument_list ($1); }
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534 | magic_colon
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535 { $$ = new tree_argument_list ($1); }
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diff changeset
536 | magic_tilde
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537 { $$ = new tree_argument_list ($1); }
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538 | arg_list ',' magic_colon
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diff changeset
539 {
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540 $1->append ($3);
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diff changeset
541 $$ = $1;
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diff changeset
542 }
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diff changeset
543 | arg_list ',' magic_tilde
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diff changeset
544 {
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545 $1->append ($3);
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546 $$ = $1;
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547 }
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diff changeset
548 | arg_list ',' expression
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diff changeset
549 {
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diff changeset
550 $1->append ($3);
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551 $$ = $1;
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552 }
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553 ;
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554
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diff changeset
555 indirect_ref_op : '.'
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parents: 16287
diff changeset
556 { lexer.looking_at_indirect_ref = true; }
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diff changeset
557 ;
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diff changeset
558
12627
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John W. Eaton <jwe@octave.org>
parents: 12483
diff changeset
559 oper_expr : primary_expr
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diff changeset
560 { $$ = $1; }
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John W. Eaton <jwe@octave.org>
parents: 12483
diff changeset
561 | oper_expr PLUS_PLUS
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parents: 16287
diff changeset
562 { $$ = parser.make_postfix_op (PLUS_PLUS, $1, $2); }
12627
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John W. Eaton <jwe@octave.org>
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diff changeset
563 | oper_expr MINUS_MINUS
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
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parents: 16287
diff changeset
564 { $$ = parser.make_postfix_op (MINUS_MINUS, $1, $2); }
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John W. Eaton <jwe@octave.org>
parents: 12483
diff changeset
565 | oper_expr '(' ')'
16288
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John W. Eaton <jwe@octave.org>
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diff changeset
566 { $$ = parser.make_index_expression ($1, 0, '('); }
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John W. Eaton <jwe@octave.org>
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567 | oper_expr '(' arg_list ')'
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
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parents: 16287
diff changeset
568 { $$ = parser.make_index_expression ($1, $3, '('); }
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John W. Eaton <jwe@octave.org>
parents: 12483
diff changeset
569 | oper_expr '{' '}'
16288
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John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
570 { $$ = parser.make_index_expression ($1, 0, '{'); }
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John W. Eaton <jwe@octave.org>
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diff changeset
571 | oper_expr '{' arg_list '}'
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
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diff changeset
572 { $$ = parser.make_index_expression ($1, $3, '{'); }
16284
09881dab3aaf * lex.ll, oct-parse.in.yy (HERMITIAN): Rename token from QUOTE.
John W. Eaton <jwe@octave.org>
parents: 16279
diff changeset
573 | oper_expr HERMITIAN
16288
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John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
574 { $$ = parser.make_postfix_op (HERMITIAN, $1, $2); }
12627
002948ae5bc0 fix precedence level of transpose operators (bug #32533)
John W. Eaton <jwe@octave.org>
parents: 12483
diff changeset
575 | oper_expr TRANSPOSE
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
576 { $$ = parser.make_postfix_op (TRANSPOSE, $1, $2); }
12627
002948ae5bc0 fix precedence level of transpose operators (bug #32533)
John W. Eaton <jwe@octave.org>
parents: 12483
diff changeset
577 | oper_expr indirect_ref_op STRUCT_ELT
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
578 { $$ = parser.make_indirect_ref ($1, $3->text ()); }
12627
002948ae5bc0 fix precedence level of transpose operators (bug #32533)
John W. Eaton <jwe@octave.org>
parents: 12483
diff changeset
579 | oper_expr indirect_ref_op '(' expression ')'
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
580 { $$ = parser.make_indirect_ref ($1, $4); }
12627
002948ae5bc0 fix precedence level of transpose operators (bug #32533)
John W. Eaton <jwe@octave.org>
parents: 12483
diff changeset
581 | PLUS_PLUS oper_expr %prec UNARY
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
582 { $$ = parser.make_prefix_op (PLUS_PLUS, $2, $1); }
12627
002948ae5bc0 fix precedence level of transpose operators (bug #32533)
John W. Eaton <jwe@octave.org>
parents: 12483
diff changeset
583 | MINUS_MINUS oper_expr %prec UNARY
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
584 { $$ = parser.make_prefix_op (MINUS_MINUS, $2, $1); }
12627
002948ae5bc0 fix precedence level of transpose operators (bug #32533)
John W. Eaton <jwe@octave.org>
parents: 12483
diff changeset
585 | EXPR_NOT oper_expr %prec UNARY
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
586 { $$ = parser.make_prefix_op (EXPR_NOT, $2, $1); }
12627
002948ae5bc0 fix precedence level of transpose operators (bug #32533)
John W. Eaton <jwe@octave.org>
parents: 12483
diff changeset
587 | '+' oper_expr %prec UNARY
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
588 { $$ = parser.make_prefix_op ('+', $2, $1); }
12627
002948ae5bc0 fix precedence level of transpose operators (bug #32533)
John W. Eaton <jwe@octave.org>
parents: 12483
diff changeset
589 | '-' oper_expr %prec UNARY
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
590 { $$ = parser.make_prefix_op ('-', $2, $1); }
12627
002948ae5bc0 fix precedence level of transpose operators (bug #32533)
John W. Eaton <jwe@octave.org>
parents: 12483
diff changeset
591 | oper_expr POW oper_expr
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
592 { $$ = parser.make_binary_op (POW, $1, $2, $3); }
12627
002948ae5bc0 fix precedence level of transpose operators (bug #32533)
John W. Eaton <jwe@octave.org>
parents: 12483
diff changeset
593 | oper_expr EPOW oper_expr
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
594 { $$ = parser.make_binary_op (EPOW, $1, $2, $3); }
12627
002948ae5bc0 fix precedence level of transpose operators (bug #32533)
John W. Eaton <jwe@octave.org>
parents: 12483
diff changeset
595 | oper_expr '+' oper_expr
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
596 { $$ = parser.make_binary_op ('+', $1, $2, $3); }
12627
002948ae5bc0 fix precedence level of transpose operators (bug #32533)
John W. Eaton <jwe@octave.org>
parents: 12483
diff changeset
597 | oper_expr '-' oper_expr
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
598 { $$ = parser.make_binary_op ('-', $1, $2, $3); }
12627
002948ae5bc0 fix precedence level of transpose operators (bug #32533)
John W. Eaton <jwe@octave.org>
parents: 12483
diff changeset
599 | oper_expr '*' oper_expr
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
600 { $$ = parser.make_binary_op ('*', $1, $2, $3); }
12627
002948ae5bc0 fix precedence level of transpose operators (bug #32533)
John W. Eaton <jwe@octave.org>
parents: 12483
diff changeset
601 | oper_expr '/' oper_expr
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
602 { $$ = parser.make_binary_op ('/', $1, $2, $3); }
12627
002948ae5bc0 fix precedence level of transpose operators (bug #32533)
John W. Eaton <jwe@octave.org>
parents: 12483
diff changeset
603 | oper_expr EPLUS oper_expr
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
604 { $$ = parser.make_binary_op ('+', $1, $2, $3); }
12627
002948ae5bc0 fix precedence level of transpose operators (bug #32533)
John W. Eaton <jwe@octave.org>
parents: 12483
diff changeset
605 | oper_expr EMINUS oper_expr
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
606 { $$ = parser.make_binary_op ('-', $1, $2, $3); }
12627
002948ae5bc0 fix precedence level of transpose operators (bug #32533)
John W. Eaton <jwe@octave.org>
parents: 12483
diff changeset
607 | oper_expr EMUL oper_expr
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
608 { $$ = parser.make_binary_op (EMUL, $1, $2, $3); }
12627
002948ae5bc0 fix precedence level of transpose operators (bug #32533)
John W. Eaton <jwe@octave.org>
parents: 12483
diff changeset
609 | oper_expr EDIV oper_expr
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
610 { $$ = parser.make_binary_op (EDIV, $1, $2, $3); }
12627
002948ae5bc0 fix precedence level of transpose operators (bug #32533)
John W. Eaton <jwe@octave.org>
parents: 12483
diff changeset
611 | oper_expr LEFTDIV oper_expr
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
612 { $$ = parser.make_binary_op (LEFTDIV, $1, $2, $3); }
12627
002948ae5bc0 fix precedence level of transpose operators (bug #32533)
John W. Eaton <jwe@octave.org>
parents: 12483
diff changeset
613 | oper_expr ELEFTDIV oper_expr
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
614 { $$ = parser.make_binary_op (ELEFTDIV, $1, $2, $3); }
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
615 ;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
616
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
617 colon_expr : colon_expr1
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
618 { $$ = parser.finish_colon_expression ($1); }
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
619 ;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
620
12627
002948ae5bc0 fix precedence level of transpose operators (bug #32533)
John W. Eaton <jwe@octave.org>
parents: 12483
diff changeset
621 colon_expr1 : oper_expr
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
622 { $$ = new tree_colon_expression ($1); }
12627
002948ae5bc0 fix precedence level of transpose operators (bug #32533)
John W. Eaton <jwe@octave.org>
parents: 12483
diff changeset
623 | colon_expr1 ':' oper_expr
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
624 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
625 if (! ($$ = $1->append ($3)))
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
626 ABORT_PARSE;
57a59eae83cc untabify src C++ source files
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parents: 10250
diff changeset
627 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
628 ;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
629
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
630 simple_expr : colon_expr
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
631 { $$ = $1; }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
632 | simple_expr LSHIFT simple_expr
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
633 { $$ = parser.make_binary_op (LSHIFT, $1, $2, $3); }
10315
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John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
634 | simple_expr RSHIFT simple_expr
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
635 { $$ = parser.make_binary_op (RSHIFT, $1, $2, $3); }
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
636 | simple_expr EXPR_LT simple_expr
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
637 { $$ = parser.make_binary_op (EXPR_LT, $1, $2, $3); }
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
638 | simple_expr EXPR_LE simple_expr
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
639 { $$ = parser.make_binary_op (EXPR_LE, $1, $2, $3); }
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
640 | simple_expr EXPR_EQ simple_expr
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
641 { $$ = parser.make_binary_op (EXPR_EQ, $1, $2, $3); }
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
642 | simple_expr EXPR_GE simple_expr
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
643 { $$ = parser.make_binary_op (EXPR_GE, $1, $2, $3); }
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
644 | simple_expr EXPR_GT simple_expr
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
645 { $$ = parser.make_binary_op (EXPR_GT, $1, $2, $3); }
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
646 | simple_expr EXPR_NE simple_expr
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
647 { $$ = parser.make_binary_op (EXPR_NE, $1, $2, $3); }
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
648 | simple_expr EXPR_AND simple_expr
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
649 { $$ = parser.make_binary_op (EXPR_AND, $1, $2, $3); }
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
650 | simple_expr EXPR_OR simple_expr
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
651 { $$ = parser.make_binary_op (EXPR_OR, $1, $2, $3); }
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
652 | simple_expr EXPR_AND_AND simple_expr
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
653 { $$ = parser.make_boolean_op (EXPR_AND_AND, $1, $2, $3); }
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
654 | simple_expr EXPR_OR_OR simple_expr
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
655 { $$ = parser.make_boolean_op (EXPR_OR_OR, $1, $2, $3); }
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
656 ;
2970
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
657
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
658 assign_lhs : simple_expr
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
659 {
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
660 $$ = parser.validate_matrix_for_assignment ($1);
16273
c5e5f6ccac5d 9/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents: 16265
diff changeset
661
c5e5f6ccac5d 9/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents: 16265
diff changeset
662 if ($$)
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
663 { lexer.looking_at_matrix_or_assign_lhs = false; }
16273
c5e5f6ccac5d 9/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents: 16265
diff changeset
664 else
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
665 {
16277
8cb65fd72164 eliminate obsolete concepts of "pending local" and "forced" variables
John W. Eaton <jwe@octave.org>
parents: 16273
diff changeset
666 // validate_matrix_for_assignment deleted $1.
16273
c5e5f6ccac5d 9/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents: 16265
diff changeset
667 ABORT_PARSE;
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
668 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
669 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
670 ;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
671
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
672 assign_expr : assign_lhs '=' expression
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
673 { $$ = parser.make_assign_op ('=', $1, $2, $3); }
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
674 | assign_lhs ADD_EQ expression
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
675 { $$ = parser.make_assign_op (ADD_EQ, $1, $2, $3); }
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
676 | assign_lhs SUB_EQ expression
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
677 { $$ = parser.make_assign_op (SUB_EQ, $1, $2, $3); }
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
678 | assign_lhs MUL_EQ expression
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
679 { $$ = parser.make_assign_op (MUL_EQ, $1, $2, $3); }
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
680 | assign_lhs DIV_EQ expression
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
681 { $$ = parser.make_assign_op (DIV_EQ, $1, $2, $3); }
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
682 | assign_lhs LEFTDIV_EQ expression
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
683 { $$ = parser.make_assign_op (LEFTDIV_EQ, $1, $2, $3); }
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
684 | assign_lhs POW_EQ expression
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
685 { $$ = parser.make_assign_op (POW_EQ, $1, $2, $3); }
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
686 | assign_lhs LSHIFT_EQ expression
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
687 { $$ = parser.make_assign_op (LSHIFT_EQ, $1, $2, $3); }
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
688 | assign_lhs RSHIFT_EQ expression
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
689 { $$ = parser.make_assign_op (RSHIFT_EQ, $1, $2, $3); }
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
690 | assign_lhs EMUL_EQ expression
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
691 { $$ = parser.make_assign_op (EMUL_EQ, $1, $2, $3); }
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
692 | assign_lhs EDIV_EQ expression
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
693 { $$ = parser.make_assign_op (EDIV_EQ, $1, $2, $3); }
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
694 | assign_lhs ELEFTDIV_EQ expression
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
695 { $$ = parser.make_assign_op (ELEFTDIV_EQ, $1, $2, $3); }
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
696 | assign_lhs EPOW_EQ expression
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
697 { $$ = parser.make_assign_op (EPOW_EQ, $1, $2, $3); }
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
698 | assign_lhs AND_EQ expression
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
699 { $$ = parser.make_assign_op (AND_EQ, $1, $2, $3); }
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
700 | assign_lhs OR_EQ expression
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
701 { $$ = parser.make_assign_op (OR_EQ, $1, $2, $3); }
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
702 ;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
703
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
704 expression : simple_expr
16273
c5e5f6ccac5d 9/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents: 16265
diff changeset
705 {
c5e5f6ccac5d 9/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents: 16265
diff changeset
706 if ($1 && ($1->is_matrix () || $1->is_cell ()))
c5e5f6ccac5d 9/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents: 16265
diff changeset
707 {
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
708 if (parser.validate_array_list ($1))
16273
c5e5f6ccac5d 9/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents: 16265
diff changeset
709 $$ = $1;
c5e5f6ccac5d 9/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents: 16265
diff changeset
710 else
c5e5f6ccac5d 9/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents: 16265
diff changeset
711 {
c5e5f6ccac5d 9/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents: 16265
diff changeset
712 delete $1;
c5e5f6ccac5d 9/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents: 16265
diff changeset
713 ABORT_PARSE;
c5e5f6ccac5d 9/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents: 16265
diff changeset
714 }
c5e5f6ccac5d 9/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents: 16265
diff changeset
715 }
c5e5f6ccac5d 9/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents: 16265
diff changeset
716 else
c5e5f6ccac5d 9/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents: 16265
diff changeset
717 $$ = $1;
c5e5f6ccac5d 9/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents: 16265
diff changeset
718 }
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
719 | assign_expr
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
720 { $$ = $1; }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
721 | anon_fcn_handle
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
722 { $$ = $1; }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
723 ;
2970
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
724
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
725 // ================================================
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
726 // Commands, declarations, and function definitions
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
727 // ================================================
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
728
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
729 command : declaration
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
730 { $$ = $1; }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
731 | select_command
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
732 { $$ = $1; }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
733 | loop_command
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
734 { $$ = $1; }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
735 | jump_command
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
736 { $$ = $1; }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
737 | except_command
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
738 { $$ = $1; }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
739 | function
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
740 { $$ = $1; }
16203
127cccb037bf move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents: 16199
diff changeset
741 | file
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
742 { $$ = $1; }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
743 | classdef
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
744 { $$ = $1; }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
745 ;
2970
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
746
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
747 // =====================
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
748 // Declaration statemnts
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
749 // =====================
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
750
16263
9acb86e6ac90 4/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents: 16259
diff changeset
751 declaration : GLOBAL decl1
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
752 {
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
753 $$ = parser.make_decl_command (GLOBAL, $1, $2);
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
754 lexer.looking_at_decl_list = false;
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
755 }
16263
9acb86e6ac90 4/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents: 16259
diff changeset
756 | PERSISTENT decl1
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
757 {
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
758 $$ = parser.make_decl_command (PERSISTENT, $1, $2);
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
759 lexer.looking_at_decl_list = false;
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
760 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
761 ;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
762
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
763 decl1 : decl2
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
764 { $$ = new tree_decl_init_list ($1); }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
765 | decl1 decl2
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
766 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
767 $1->append ($2);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
768 $$ = $1;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
769 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
770 ;
2970
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
771
7634
ae90e05ad299 fix parameter list initializer bug
John W. Eaton <jwe@octave.org>
parents: 7587
diff changeset
772 decl_param_init : // empty
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
773 { lexer.looking_at_initializer_expression = true; }
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
774
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
775 decl2 : identifier
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
776 { $$ = new tree_decl_elt ($1); }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
777 | identifier '=' decl_param_init expression
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
778 {
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
779 lexer.looking_at_initializer_expression = false;
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
780 $$ = new tree_decl_elt ($1, $4);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
781 }
10206
37a08e0ce2dc support Matlab-style empty output/input arguments
Jaroslav Hajek <highegg@gmail.com>
parents: 10188
diff changeset
782 | magic_tilde
37a08e0ce2dc support Matlab-style empty output/input arguments
Jaroslav Hajek <highegg@gmail.com>
parents: 10188
diff changeset
783 {
37a08e0ce2dc support Matlab-style empty output/input arguments
Jaroslav Hajek <highegg@gmail.com>
parents: 10188
diff changeset
784 $$ = new tree_decl_elt ($1);
37a08e0ce2dc support Matlab-style empty output/input arguments
Jaroslav Hajek <highegg@gmail.com>
parents: 10188
diff changeset
785 }
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
786 ;
2970
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
787
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
788 // ====================
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
789 // Selection statements
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
790 // ====================
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
791
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
792 select_command : if_command
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
793 { $$ = $1; }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
794 | switch_command
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
795 { $$ = $1; }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
796 ;
2970
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
797
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
798 // ============
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
799 // If statement
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
800 // ============
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
801
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
802 if_command : IF stash_comment if_cmd_list END
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
803 {
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
804 if (! ($$ = parser.finish_if_command ($1, $3, $4, $2)))
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
805 ABORT_PARSE;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
806 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
807 ;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
808
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
809 if_cmd_list : if_cmd_list1
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
810 { $$ = $1; }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
811 | if_cmd_list1 else_clause
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
812 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
813 $1->append ($2);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
814 $$ = $1;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
815 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
816 ;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
817
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
818 if_cmd_list1 : expression opt_sep opt_list
11091
5677f3f7b5fa Matlab compatible short-circuit behavior for & and | operators
John W. Eaton <jwe@octave.org>
parents: 11060
diff changeset
819 {
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
820 $1->mark_braindead_shortcircuit (lexer.fcn_file_full_name);
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
821
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
822 $$ = parser.start_if_command ($1, $3);
11091
5677f3f7b5fa Matlab compatible short-circuit behavior for & and | operators
John W. Eaton <jwe@octave.org>
parents: 11060
diff changeset
823 }
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
824 | if_cmd_list1 elseif_clause
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
825 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
826 $1->append ($2);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
827 $$ = $1;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
828 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
829 ;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
830
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
831 elseif_clause : ELSEIF stash_comment opt_sep expression opt_sep opt_list
11091
5677f3f7b5fa Matlab compatible short-circuit behavior for & and | operators
John W. Eaton <jwe@octave.org>
parents: 11060
diff changeset
832 {
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
833 $4->mark_braindead_shortcircuit (lexer.fcn_file_full_name);
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
834
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
835 $$ = parser.make_elseif_clause ($1, $4, $6, $2);
11091
5677f3f7b5fa Matlab compatible short-circuit behavior for & and | operators
John W. Eaton <jwe@octave.org>
parents: 11060
diff changeset
836 }
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
837 ;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
838
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
839 else_clause : ELSE stash_comment opt_sep opt_list
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
840 { $$ = new tree_if_clause ($4, $2); }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
841 ;
2970
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
842
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
843 // ================
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
844 // Switch statement
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
845 // ================
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
846
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
847 switch_command : SWITCH stash_comment expression opt_sep case_list END
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
848 {
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
849 if (! ($$ = parser.finish_switch_command ($1, $3, $5, $6, $2)))
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
850 ABORT_PARSE;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
851 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
852 ;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
853
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
854 case_list : // empty
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
855 { $$ = new tree_switch_case_list (); }
11317
2da532d0f41c accept otherwise clause in switch statement without preceding case statements
John W. Eaton <jwe@octave.org>
parents: 11258
diff changeset
856 | default_case
2da532d0f41c accept otherwise clause in switch statement without preceding case statements
John W. Eaton <jwe@octave.org>
parents: 11258
diff changeset
857 { $$ = new tree_switch_case_list ($1); }
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
858 | case_list1
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
859 { $$ = $1; }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
860 | case_list1 default_case
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
861 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
862 $1->append ($2);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
863 $$ = $1;
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
864 }
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
865 ;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
866
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
867 case_list1 : switch_case
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
868 { $$ = new tree_switch_case_list ($1); }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
869 | case_list1 switch_case
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
870 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
871 $1->append ($2);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
872 $$ = $1;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
873 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
874 ;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
875
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
876 switch_case : CASE stash_comment opt_sep expression opt_sep opt_list
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
877 { $$ = parser.make_switch_case ($1, $4, $6, $2); }
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
878 ;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
879
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
880 default_case : OTHERWISE stash_comment opt_sep opt_list
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
881 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
882 $$ = new tree_switch_case ($4, $2);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
883 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
884 ;
2970
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
885
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
886 // =======
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
887 // Looping
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
888 // =======
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
889
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
890 loop_command : WHILE stash_comment expression opt_sep opt_list END
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
891 {
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
892 $3->mark_braindead_shortcircuit (lexer.fcn_file_full_name);
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
893
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
894 if (! ($$ = parser.make_while_command ($1, $3, $5, $6, $2)))
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
895 ABORT_PARSE;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
896 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
897 | DO stash_comment opt_sep opt_list UNTIL expression
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
898 {
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
899 if (! ($$ = parser.make_do_until_command ($5, $4, $6, $2)))
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
900 ABORT_PARSE;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
901 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
902 | FOR stash_comment assign_lhs '=' expression opt_sep opt_list END
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
903 {
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
904 if (! ($$ = parser.make_for_command (FOR, $1, $3, $5, 0,
13245
027a2186cd90 parfor keyword and infrastructure, but handle parfor as normal for loop for now
John W. Eaton <jwe@octave.org>
parents: 13241
diff changeset
905 $7, $8, $2)))
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
906 ABORT_PARSE;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
907 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
908 | FOR stash_comment '(' assign_lhs '=' expression ')' opt_sep opt_list END
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
909 {
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
910 if (! ($$ = parser.make_for_command (FOR, $1, $4, $6, 0,
13245
027a2186cd90 parfor keyword and infrastructure, but handle parfor as normal for loop for now
John W. Eaton <jwe@octave.org>
parents: 13241
diff changeset
911 $9, $10, $2)))
027a2186cd90 parfor keyword and infrastructure, but handle parfor as normal for loop for now
John W. Eaton <jwe@octave.org>
parents: 13241
diff changeset
912 ABORT_PARSE;
027a2186cd90 parfor keyword and infrastructure, but handle parfor as normal for loop for now
John W. Eaton <jwe@octave.org>
parents: 13241
diff changeset
913 }
027a2186cd90 parfor keyword and infrastructure, but handle parfor as normal for loop for now
John W. Eaton <jwe@octave.org>
parents: 13241
diff changeset
914 | PARFOR stash_comment assign_lhs '=' expression opt_sep opt_list END
027a2186cd90 parfor keyword and infrastructure, but handle parfor as normal for loop for now
John W. Eaton <jwe@octave.org>
parents: 13241
diff changeset
915 {
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
916 if (! ($$ = parser.make_for_command (PARFOR, $1, $3, $5,
13245
027a2186cd90 parfor keyword and infrastructure, but handle parfor as normal for loop for now
John W. Eaton <jwe@octave.org>
parents: 13241
diff changeset
917 0, $7, $8, $2)))
027a2186cd90 parfor keyword and infrastructure, but handle parfor as normal for loop for now
John W. Eaton <jwe@octave.org>
parents: 13241
diff changeset
918 ABORT_PARSE;
027a2186cd90 parfor keyword and infrastructure, but handle parfor as normal for loop for now
John W. Eaton <jwe@octave.org>
parents: 13241
diff changeset
919 }
027a2186cd90 parfor keyword and infrastructure, but handle parfor as normal for loop for now
John W. Eaton <jwe@octave.org>
parents: 13241
diff changeset
920 | PARFOR stash_comment '(' assign_lhs '=' expression ',' expression ')' opt_sep opt_list END
027a2186cd90 parfor keyword and infrastructure, but handle parfor as normal for loop for now
John W. Eaton <jwe@octave.org>
parents: 13241
diff changeset
921 {
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
922 if (! ($$ = parser.make_for_command (PARFOR, $1, $4, $6,
13245
027a2186cd90 parfor keyword and infrastructure, but handle parfor as normal for loop for now
John W. Eaton <jwe@octave.org>
parents: 13241
diff changeset
923 $8, $11, $12, $2)))
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
924 ABORT_PARSE;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
925 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
926 ;
2970
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
927
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
928 // =======
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
929 // Jumping
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
930 // =======
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
931
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
932 jump_command : BREAK
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
933 {
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
934 if (! ($$ = parser.make_break_command ($1)))
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
935 ABORT_PARSE;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
936 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
937 | CONTINUE
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
938 {
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
939 if (! ($$ = parser.make_continue_command ($1)))
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
940 ABORT_PARSE;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
941 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
942 | FUNC_RET
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
943 {
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
944 if (! ($$ = parser.make_return_command ($1)))
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
945 ABORT_PARSE;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
946 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
947 ;
2970
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
948
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
949 // ==========
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
950 // Exceptions
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
951 // ==========
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
952
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
953 except_command : UNWIND stash_comment opt_sep opt_list CLEANUP
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
954 stash_comment opt_sep opt_list END
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
955 {
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
956 if (! ($$ = parser.make_unwind_command ($1, $4, $8, $9, $2, $6)))
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
957 ABORT_PARSE;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
958 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
959 | TRY stash_comment opt_sep opt_list CATCH
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
960 stash_comment opt_sep opt_list END
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
961 {
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
962 if (! ($$ = parser.make_try_command ($1, $4, $8, $9, $2, $6)))
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
963 ABORT_PARSE;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
964 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
965 | TRY stash_comment opt_sep opt_list END
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
966 {
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
967 if (! ($$ = parser.make_try_command ($1, $4, 0, $5, $2, 0)))
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
968 ABORT_PARSE;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
969 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
970 ;
2970
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
971
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
972 // ===========================================
15466
d174210ce1ec use ' instead of ` in error messages, warnings and most comments
John W. Eaton <jwe@octave.org>
parents: 14189
diff changeset
973 // Some 'subroutines' for function definitions
2970
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
974 // ===========================================
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
975
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
976 push_fcn_symtab : // empty
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
977 {
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
978 parser.curr_fcn_depth++;
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
979
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
980 if (parser.max_fcn_depth < parser.curr_fcn_depth)
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
981 parser.max_fcn_depth = parser.curr_fcn_depth;
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
982
14329
8d1ae996c122 also save and restore symbol table context in parser (bug #35448)
John W. Eaton <jwe@octave.org>
parents: 14294
diff changeset
983 parser_symtab_context.push ();
8d1ae996c122 also save and restore symbol table context in parser (bug #35448)
John W. Eaton <jwe@octave.org>
parents: 14294
diff changeset
984
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
985 symbol_table::set_scope (symbol_table::alloc_scope ());
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
986
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
987 parser.function_scopes.push_back (symbol_table::current_scope ());
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
988
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
989 if (! lexer.reading_script_file
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
990 && parser.curr_fcn_depth == 1
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
991 && ! parser.parsing_subfunctions)
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
992 parser.primary_fcn_scope = symbol_table::current_scope ();
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
993
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
994 if (lexer.reading_script_file
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
995 && parser.curr_fcn_depth > 1)
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
996 parser.bison_error ("nested functions not implemented in this context");
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
997 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
998 ;
2970
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
999
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
1000 // ===========================
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
1001 // List of function parameters
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
1002 // ===========================
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
1003
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1004 param_list_beg : '('
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1005 {
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
1006 lexer.looking_at_parameter_list = true;
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
1007
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
1008 if (lexer.looking_at_function_handle)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1009 {
14329
8d1ae996c122 also save and restore symbol table context in parser (bug #35448)
John W. Eaton <jwe@octave.org>
parents: 14294
diff changeset
1010 parser_symtab_context.push ();
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1011 symbol_table::set_scope (symbol_table::alloc_scope ());
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
1012 lexer.looking_at_function_handle--;
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
1013 lexer.looking_at_anon_fcn_args = true;
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1014 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1015 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1016 ;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1017
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1018 param_list_end : ')'
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1019 {
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
1020 lexer.looking_at_parameter_list = false;
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
1021 lexer.looking_for_object_index = false;
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1022 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1023 ;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1024
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1025 param_list : param_list_beg param_list1 param_list_end
16259
0b5ab09dfce4 2/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents: 16257
diff changeset
1026 { $$ = $2; }
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1027 | param_list_beg error
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1028 {
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
1029 parser.bison_error ("invalid parameter list");
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1030 $$ = 0;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1031 ABORT_PARSE;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1032 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1033 ;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1034
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1035 param_list1 : // empty
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1036 { $$ = 0; }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1037 | param_list2
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1038 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1039 $1->mark_as_formal_parameters ();
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1040 if ($1->validate (tree_parameter_list::in))
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1041 $$ = $1;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1042 else
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1043 ABORT_PARSE;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1044 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1045 ;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1046
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1047 param_list2 : decl2
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1048 { $$ = new tree_parameter_list ($1); }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1049 | param_list2 ',' decl2
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1050 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1051 $1->append ($3);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1052 $$ = $1;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1053 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1054 ;
2970
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
1055
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
1056 // ===================================
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
1057 // List of function return value names
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
1058 // ===================================
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
1059
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1060 return_list : '[' ']'
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1061 {
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
1062 lexer.looking_at_return_list = false;
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1063 $$ = new tree_parameter_list ();
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1064 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1065 | return_list1
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1066 {
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
1067 lexer.looking_at_return_list = false;
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1068 if ($1->validate (tree_parameter_list::out))
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1069 $$ = $1;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1070 else
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1071 ABORT_PARSE;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1072 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1073 | '[' return_list1 ']'
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1074 {
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
1075 lexer.looking_at_return_list = false;
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1076 if ($2->validate (tree_parameter_list::out))
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1077 $$ = $2;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1078 else
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1079 ABORT_PARSE;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1080 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1081 ;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1082
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1083 return_list1 : identifier
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1084 { $$ = new tree_parameter_list (new tree_decl_elt ($1)); }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1085 | return_list1 ',' identifier
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1086 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1087 $1->append (new tree_decl_elt ($3));
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1088 $$ = $1;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1089 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1090 ;
2970
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
1091
16203
127cccb037bf move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents: 16199
diff changeset
1092 // =======================
127cccb037bf move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents: 16199
diff changeset
1093 // Script or function file
127cccb037bf move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents: 16199
diff changeset
1094 // =======================
127cccb037bf move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents: 16199
diff changeset
1095
127cccb037bf move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents: 16199
diff changeset
1096 file : INPUT_FILE opt_nl opt_list END_OF_INPUT
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1097 {
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
1098 if (! lexer.reading_fcn_file)
16203
127cccb037bf move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents: 16199
diff changeset
1099 {
127cccb037bf move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents: 16199
diff changeset
1100 tree_statement *end_of_script
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
1101 = parser.make_end ("endscript",
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
1102 lexer.input_line_number,
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
1103 lexer.current_input_column);
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
1104
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
1105 parser.make_script ($3, end_of_script);
16203
127cccb037bf move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents: 16199
diff changeset
1106 }
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1107
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1108 $$ = 0;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1109 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1110 ;
7715
5b4d278ec828 parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents: 7699
diff changeset
1111
2970
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
1112 // ===================
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
1113 // Function definition
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
1114 // ===================
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
1115
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1116 function_beg : push_fcn_symtab FCN stash_comment
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1117 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1118 $$ = $3;
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
1119 if (lexer.reading_classdef_file
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
1120 || lexer.parsing_classdef)
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
1121 lexer.maybe_classdef_get_set_method = true;
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1122 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1123 ;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1124
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1125 function : function_beg function1
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1126 {
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
1127 $$ = parser.finish_function (0, $2, $1);
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
1128 parser.recover_from_parsing_function ();
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1129 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1130 | function_beg return_list '=' function1
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1131 {
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
1132 $$ = parser.finish_function ($2, $4, $1);
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
1133 parser.recover_from_parsing_function ();
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1134 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1135 ;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1136
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1137 fcn_name : identifier
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1138 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1139 std::string id_name = $1->name ();
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1140
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
1141 lexer.parsed_function_name.top () = true;
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
1142 lexer.maybe_classdef_get_set_method = false;
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
1143
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1144 $$ = $1;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1145 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1146 | GET '.' identifier
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1147 {
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
1148 lexer.parsed_function_name.top () = true;
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
1149 lexer.maybe_classdef_get_set_method = false;
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1150 $$ = $3;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1151 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1152 | SET '.' identifier
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1153 {
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
1154 lexer.parsed_function_name.top () = true;
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
1155 lexer.maybe_classdef_get_set_method = false;
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1156 $$ = $3;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1157 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1158 ;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1159
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1160 function1 : fcn_name function2
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1161 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1162 std::string fname = $1->name ();
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1163
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1164 delete $1;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1165
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
1166 if (! ($$ = parser.frob_function (fname, $2)))
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1167 ABORT_PARSE;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1168 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1169 ;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1170
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1171 function2 : param_list opt_sep opt_list function_end
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
1172 { $$ = parser.start_function ($1, $3, $4); }
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1173 | opt_sep opt_list function_end
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
1174 { $$ = parser.start_function (0, $2, $3); }
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1175 ;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1176
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1177 function_end : END
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1178 {
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
1179 parser.endfunction_found = true;
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
1180 if (parser.end_token_ok ($1, token::function_end))
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
1181 $$ = parser.make_end ("endfunction", $1->line (), $1->column ());
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1182 else
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1183 ABORT_PARSE;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1184 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1185 | END_OF_INPUT
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1186 {
9474
25ed2d6aacf6 Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents: 9471
diff changeset
1187 // A lot of tests are based on the assumption that this is OK
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
1188 // if (lexer.reading_script_file)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1189 // {
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
1190 // parser.bison_error ("function body open at end of script");
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1191 // YYABORT;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1192 // }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1193
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
1194 if (parser.endfunction_found)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1195 {
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
1196 parser.bison_error ("inconsistent function endings -- "
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1197 "if one function is explicitly ended, "
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1198 "so must all the others");
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1199 YYABORT;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1200 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1201
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
1202 if (! (lexer.reading_fcn_file || lexer.reading_script_file
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
1203 || lexer.input_from_eval_string ()))
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1204 {
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
1205 parser.bison_error ("function body open at end of input");
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1206 YYABORT;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1207 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1208
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
1209 if (lexer.reading_classdef_file)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1210 {
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
1211 parser.bison_error ("classdef body open at end of input");
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1212 YYABORT;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1213 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1214
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
1215 $$ = parser.make_end ("endfunction",
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
1216 lexer.input_line_number,
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
1217 lexer.current_input_column);
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1218 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1219 ;
2970
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
1220
9476
d9b25c5b8ee5 handle classdef syntax in lexer and parser
Ryan Rusaw
parents: 9474
diff changeset
1221 // ========
d9b25c5b8ee5 handle classdef syntax in lexer and parser
Ryan Rusaw
parents: 9474
diff changeset
1222 // Classdef
d9b25c5b8ee5 handle classdef syntax in lexer and parser
Ryan Rusaw
parents: 9474
diff changeset
1223 // ========
d9b25c5b8ee5 handle classdef syntax in lexer and parser
Ryan Rusaw
parents: 9474
diff changeset
1224
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1225 classdef_beg : CLASSDEF stash_comment
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1226 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1227 $$ = 0;
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
1228 lexer.parsing_classdef = true;
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1229 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1230 ;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1231
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1232 classdef_end : END
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1233 {
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
1234 lexer.parsing_classdef = false;
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
1235
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
1236 if (parser.end_token_ok ($1, token::classdef_end))
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
1237 $$ = parser.make_end ("endclassdef", $1->line (), $1->column ());
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1238 else
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1239 ABORT_PARSE;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1240 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1241 ;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1242
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1243 classdef1 : classdef_beg opt_attr_list identifier opt_superclasses
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1244 { $$ = 0; }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1245 ;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1246
13250
f6bbdea030b2 use opt_sep instead of literal '\n' in parser rules for classdef
John W. Eaton <jwe@octave.org>
parents: 13249
diff changeset
1247 classdef : classdef1 opt_sep class_body opt_sep stash_comment classdef_end
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1248 { $$ = 0; }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1249 ;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1250
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1251 opt_attr_list : // empty
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1252 { $$ = 0; }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1253 | '(' attr_list ')'
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1254 { $$ = 0; }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1255 ;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1256
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1257 attr_list : attr
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1258 { $$ = 0; }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1259 | attr_list ',' attr
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1260 { $$ = 0; }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1261 ;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1262
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1263 attr : identifier
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1264 { $$ = 0; }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1265 | identifier '=' decl_param_init expression
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1266 { $$ = 0; }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1267 | EXPR_NOT identifier
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1268 { $$ = 0; }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1269 ;
9476
d9b25c5b8ee5 handle classdef syntax in lexer and parser
Ryan Rusaw
parents: 9474
diff changeset
1270
d9b25c5b8ee5 handle classdef syntax in lexer and parser
Ryan Rusaw
parents: 9474
diff changeset
1271 opt_superclasses
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1272 : // empty
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1273 { $$ = 0; }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1274 | superclasses
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1275 { $$ = 0; }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1276 ;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1277
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1278 superclasses : EXPR_LT identifier '.' identifier
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1279 { $$ = 0; }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1280 | EXPR_LT identifier
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1281 { $$ = 0; }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1282 | superclasses EXPR_AND identifier '.' identifier
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1283 { $$ = 0; }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1284 | superclasses EXPR_AND identifier
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1285 { $$ = 0; }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1286 ;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1287
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1288 class_body : properties_block
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1289 { $$ = 0; }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1290 | methods_block
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1291 { $$ = 0; }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1292 | events_block
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1293 { $$ = 0; }
13249
7861a5fd3479 accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents: 13246
diff changeset
1294 | enum_block
7861a5fd3479 accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents: 13246
diff changeset
1295 { $$ = 0; }
13250
f6bbdea030b2 use opt_sep instead of literal '\n' in parser rules for classdef
John W. Eaton <jwe@octave.org>
parents: 13249
diff changeset
1296 | class_body opt_sep properties_block
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1297 { $$ = 0; }
13250
f6bbdea030b2 use opt_sep instead of literal '\n' in parser rules for classdef
John W. Eaton <jwe@octave.org>
parents: 13249
diff changeset
1298 | class_body opt_sep methods_block
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1299 { $$ = 0; }
13250
f6bbdea030b2 use opt_sep instead of literal '\n' in parser rules for classdef
John W. Eaton <jwe@octave.org>
parents: 13249
diff changeset
1300 | class_body opt_sep events_block
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1301 { $$ = 0; }
13250
f6bbdea030b2 use opt_sep instead of literal '\n' in parser rules for classdef
John W. Eaton <jwe@octave.org>
parents: 13249
diff changeset
1302 | class_body opt_sep enum_block
13249
7861a5fd3479 accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents: 13246
diff changeset
1303 { $$ = 0; }
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1304 ;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1305
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1306 properties_beg : PROPERTIES stash_comment
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1307 { $$ = 0; }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1308 ;
9476
d9b25c5b8ee5 handle classdef syntax in lexer and parser
Ryan Rusaw
parents: 9474
diff changeset
1309
d9b25c5b8ee5 handle classdef syntax in lexer and parser
Ryan Rusaw
parents: 9474
diff changeset
1310 properties_block
13250
f6bbdea030b2 use opt_sep instead of literal '\n' in parser rules for classdef
John W. Eaton <jwe@octave.org>
parents: 13249
diff changeset
1311 : properties_beg opt_attr_list opt_sep properties_list opt_sep END
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1312 { $$ = 0; }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1313 ;
9476
d9b25c5b8ee5 handle classdef syntax in lexer and parser
Ryan Rusaw
parents: 9474
diff changeset
1314
d9b25c5b8ee5 handle classdef syntax in lexer and parser
Ryan Rusaw
parents: 9474
diff changeset
1315 properties_list
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1316 : class_property
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1317 { $$ = 0; }
13250
f6bbdea030b2 use opt_sep instead of literal '\n' in parser rules for classdef
John W. Eaton <jwe@octave.org>
parents: 13249
diff changeset
1318 | properties_list opt_sep class_property
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1319 { $$ = 0; }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1320 ;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1321
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1322 class_property : identifier
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1323 { $$ = 0; }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1324 | identifier '=' decl_param_init expression ';'
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1325 { $$ = 0; }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1326 ;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1327
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1328 methods_beg : METHODS stash_comment
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1329 { $$ = 0; }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1330 ;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1331
13250
f6bbdea030b2 use opt_sep instead of literal '\n' in parser rules for classdef
John W. Eaton <jwe@octave.org>
parents: 13249
diff changeset
1332 methods_block : methods_beg opt_attr_list opt_sep methods_list opt_sep END
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1333 { $$ = 0; }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1334 ;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1335
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1336 methods_list : function
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1337 { $$ = 0; }
13250
f6bbdea030b2 use opt_sep instead of literal '\n' in parser rules for classdef
John W. Eaton <jwe@octave.org>
parents: 13249
diff changeset
1338 | methods_list opt_sep function
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1339 { $$ = 0; }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1340 ;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1341
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1342 events_beg : EVENTS stash_comment
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1343 { $$ = 0; }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1344 ;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1345
13250
f6bbdea030b2 use opt_sep instead of literal '\n' in parser rules for classdef
John W. Eaton <jwe@octave.org>
parents: 13249
diff changeset
1346 events_block : events_beg opt_attr_list opt_sep events_list opt_sep END
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1347 { $$ = 0; }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1348 ;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1349
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1350 events_list : class_event
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1351 { $$ = 0; }
13250
f6bbdea030b2 use opt_sep instead of literal '\n' in parser rules for classdef
John W. Eaton <jwe@octave.org>
parents: 13249
diff changeset
1352 | events_list opt_sep class_event
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1353 { $$ = 0; }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1354 ;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1355
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1356 class_event : identifier
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1357 { $$ = 0; }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1358 ;
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
1359
13249
7861a5fd3479 accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents: 13246
diff changeset
1360 enum_beg : ENUMERATION stash_comment
7861a5fd3479 accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents: 13246
diff changeset
1361 { $$ = 0; }
7861a5fd3479 accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents: 13246
diff changeset
1362 ;
7861a5fd3479 accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents: 13246
diff changeset
1363
13250
f6bbdea030b2 use opt_sep instead of literal '\n' in parser rules for classdef
John W. Eaton <jwe@octave.org>
parents: 13249
diff changeset
1364 enum_block : enum_beg opt_attr_list opt_sep enum_list opt_sep END
13249
7861a5fd3479 accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents: 13246
diff changeset
1365 { $$ = 0; }
7861a5fd3479 accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents: 13246
diff changeset
1366 ;
7861a5fd3479 accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents: 13246
diff changeset
1367
7861a5fd3479 accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents: 13246
diff changeset
1368 enum_list : class_enum
7861a5fd3479 accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents: 13246
diff changeset
1369 { $$ = 0; }
13250
f6bbdea030b2 use opt_sep instead of literal '\n' in parser rules for classdef
John W. Eaton <jwe@octave.org>
parents: 13249
diff changeset
1370 | enum_list opt_sep class_enum
13249
7861a5fd3479 accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents: 13246
diff changeset
1371 { $$ = 0; }
7861a5fd3479 accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents: 13246
diff changeset
1372 ;
7861a5fd3479 accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents: 13246
diff changeset
1373
7861a5fd3479 accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents: 13246
diff changeset
1374 class_enum : identifier '(' expression ')'
7861a5fd3479 accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents: 13246
diff changeset
1375 { $$ = 0; }
7861a5fd3479 accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents: 13246
diff changeset
1376 ;
7861a5fd3479 accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents: 13246
diff changeset
1377
2970
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
1378 // =============
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
1379 // Miscellaneous
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
1380 // =============
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
1381
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1382 stash_comment : // empty
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1383 { $$ = octave_comment_buffer::get_comment (); }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1384 ;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1385
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1386 parse_error : LEXICAL_ERROR
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
1387 { parser.bison_error ("parse error"); }
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1388 | error
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1389 ;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1390
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1391 sep_no_nl : ','
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1392 { $$ = ','; }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1393 | ';'
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1394 { $$ = ';'; }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1395 | sep_no_nl ','
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1396 { $$ = $1; }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1397 | sep_no_nl ';'
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1398 { $$ = $1; }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1399 ;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1400
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1401 opt_sep_no_nl : // empty
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1402 { $$ = 0; }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1403 | sep_no_nl
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1404 { $$ = $1; }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1405 ;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1406
16203
127cccb037bf move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents: 16199
diff changeset
1407 opt_nl : // empty
127cccb037bf move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents: 16199
diff changeset
1408 { $$ = 0; }
127cccb037bf move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents: 16199
diff changeset
1409 | nl
127cccb037bf move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents: 16199
diff changeset
1410 { $$ = $1; }
127cccb037bf move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents: 16199
diff changeset
1411 ;
127cccb037bf move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents: 16199
diff changeset
1412
127cccb037bf move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents: 16199
diff changeset
1413 nl : '\n'
127cccb037bf move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents: 16199
diff changeset
1414 { $$ = '\n'; }
127cccb037bf move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents: 16199
diff changeset
1415 | nl '\n'
127cccb037bf move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents: 16199
diff changeset
1416 { $$ = $1; }
127cccb037bf move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents: 16199
diff changeset
1417 ;
127cccb037bf move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents: 16199
diff changeset
1418
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1419 sep : ','
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1420 { $$ = ','; }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1421 | ';'
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1422 { $$ = ';'; }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1423 | '\n'
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1424 { $$ = '\n'; }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1425 | sep ','
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1426 { $$ = $1; }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1427 | sep ';'
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1428 { $$ = $1; }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1429 | sep '\n'
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1430 { $$ = $1; }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1431 ;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1432
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1433 opt_sep : // empty
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1434 { $$ = 0; }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1435 | sep
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1436 { $$ = $1; }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1437 ;
2525
8561d88be5f2 [project @ 1996-11-17 21:23:31 by jwe]
jwe
parents: 2524
diff changeset
1438
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
1439 %%
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
1440
666
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe]
jwe
parents: 627
diff changeset
1441 // Generic error messages.
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe]
jwe
parents: 627
diff changeset
1442
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
1443 #undef lexer
16149
49dfba4fd3c5 use pure parser and reentrant lexer interfaces
John W. Eaton <jwe@octave.org>
parents: 16147
diff changeset
1444
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
1445 static void
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
1446 yyerror (octave_base_parser& parser, const char *s)
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
1447 {
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
1448 parser.bison_error (s);
16142
26d65d677557 rename yyerror to bison_error and make it a member of octave_parser class
John W. Eaton <jwe@octave.org>
parents: 16139
diff changeset
1449 }
26d65d677557 rename yyerror to bison_error and make it a member of octave_parser class
John W. Eaton <jwe@octave.org>
parents: 16139
diff changeset
1450
16287
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
1451 octave_base_parser::~octave_base_parser (void)
16157
335041cc657a optionally use push parser interface
John W. Eaton <jwe@octave.org>
parents: 16153
diff changeset
1452 {
16167
22bb3aa9f025 make push parser interface partially work
John W. Eaton <jwe@octave.org>
parents: 16164
diff changeset
1453 #if defined (OCTAVE_USE_PUSH_PARSER)
22bb3aa9f025 make push parser interface partially work
John W. Eaton <jwe@octave.org>
parents: 16164
diff changeset
1454 yypstate_delete (static_cast<yypstate *> (parser_state));
16157
335041cc657a optionally use push parser interface
John W. Eaton <jwe@octave.org>
parents: 16153
diff changeset
1455 #endif
335041cc657a optionally use push parser interface
John W. Eaton <jwe@octave.org>
parents: 16153
diff changeset
1456
16177
a7669b4d27f6 eliminate global global_command variable
John W. Eaton <jwe@octave.org>
parents: 16174
diff changeset
1457 delete stmt_list;
a7669b4d27f6 eliminate global global_command variable
John W. Eaton <jwe@octave.org>
parents: 16174
diff changeset
1458
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
1459 delete &lexer;
16157
335041cc657a optionally use push parser interface
John W. Eaton <jwe@octave.org>
parents: 16153
diff changeset
1460 }
16287
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
1461
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
1462 void octave_base_parser::init (void)
16157
335041cc657a optionally use push parser interface
John W. Eaton <jwe@octave.org>
parents: 16153
diff changeset
1463 {
16167
22bb3aa9f025 make push parser interface partially work
John W. Eaton <jwe@octave.org>
parents: 16164
diff changeset
1464 #if defined (OCTAVE_USE_PUSH_PARSER)
16157
335041cc657a optionally use push parser interface
John W. Eaton <jwe@octave.org>
parents: 16153
diff changeset
1465 parser_state = yypstate_new ();
335041cc657a optionally use push parser interface
John W. Eaton <jwe@octave.org>
parents: 16153
diff changeset
1466 #endif
335041cc657a optionally use push parser interface
John W. Eaton <jwe@octave.org>
parents: 16153
diff changeset
1467
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
1468 LEXER = &lexer;
16157
335041cc657a optionally use push parser interface
John W. Eaton <jwe@octave.org>
parents: 16153
diff changeset
1469 }
335041cc657a optionally use push parser interface
John W. Eaton <jwe@octave.org>
parents: 16153
diff changeset
1470
16177
a7669b4d27f6 eliminate global global_command variable
John W. Eaton <jwe@octave.org>
parents: 16174
diff changeset
1471 void
16287
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
1472 octave_base_parser::reset (void)
16177
a7669b4d27f6 eliminate global global_command variable
John W. Eaton <jwe@octave.org>
parents: 16174
diff changeset
1473 {
a7669b4d27f6 eliminate global global_command variable
John W. Eaton <jwe@octave.org>
parents: 16174
diff changeset
1474 delete stmt_list;
a7669b4d27f6 eliminate global global_command variable
John W. Eaton <jwe@octave.org>
parents: 16174
diff changeset
1475
a7669b4d27f6 eliminate global global_command variable
John W. Eaton <jwe@octave.org>
parents: 16174
diff changeset
1476 stmt_list = 0;
a7669b4d27f6 eliminate global global_command variable
John W. Eaton <jwe@octave.org>
parents: 16174
diff changeset
1477
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
1478 lexer.reset ();
16138
284e2ca86ef7 execute parser using member function of octave_parser class
John W. Eaton <jwe@octave.org>
parents: 16136
diff changeset
1479 }
284e2ca86ef7 execute parser using member function of octave_parser class
John W. Eaton <jwe@octave.org>
parents: 16136
diff changeset
1480
666
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe]
jwe
parents: 627
diff changeset
1481 // Error mesages for mismatched end tokens.
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe]
jwe
parents: 627
diff changeset
1482
16134
ec9c6222ef5a move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents: 16133
diff changeset
1483 void
16287
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
1484 octave_base_parser::end_error (const char *type, token::end_tok_type ettype,
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
1485 int l, int c)
496
e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe]
jwe
parents: 482
diff changeset
1486 {
2805
68e6d0c93fc8 [project @ 1997-03-11 04:52:44 by jwe]
jwe
parents: 2791
diff changeset
1487 static const char *fmt
15466
d174210ce1ec use ' instead of ` in error messages, warnings and most comments
John W. Eaton <jwe@octave.org>
parents: 14189
diff changeset
1488 = "'%s' command matched by '%s' near line %d column %d";
496
e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe]
jwe
parents: 482
diff changeset
1489
e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe]
jwe
parents: 482
diff changeset
1490 switch (ettype)
e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe]
jwe
parents: 482
diff changeset
1491 {
e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe]
jwe
parents: 482
diff changeset
1492 case token::simple_end:
e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe]
jwe
parents: 482
diff changeset
1493 error (fmt, type, "end", l, c);
e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe]
jwe
parents: 482
diff changeset
1494 break;
777
a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe]
jwe
parents: 773
diff changeset
1495
496
e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe]
jwe
parents: 482
diff changeset
1496 case token::for_end:
e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe]
jwe
parents: 482
diff changeset
1497 error (fmt, type, "endfor", l, c);
e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe]
jwe
parents: 482
diff changeset
1498 break;
777
a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe]
jwe
parents: 773
diff changeset
1499
496
e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe]
jwe
parents: 482
diff changeset
1500 case token::function_end:
e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe]
jwe
parents: 482
diff changeset
1501 error (fmt, type, "endfunction", l, c);
e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe]
jwe
parents: 482
diff changeset
1502 break;
777
a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe]
jwe
parents: 773
diff changeset
1503
9476
d9b25c5b8ee5 handle classdef syntax in lexer and parser
Ryan Rusaw
parents: 9474
diff changeset
1504 case token::classdef_end:
d9b25c5b8ee5 handle classdef syntax in lexer and parser
Ryan Rusaw
parents: 9474
diff changeset
1505 error (fmt, type, "endclassdef", l, c);
d9b25c5b8ee5 handle classdef syntax in lexer and parser
Ryan Rusaw
parents: 9474
diff changeset
1506 break;
d9b25c5b8ee5 handle classdef syntax in lexer and parser
Ryan Rusaw
parents: 9474
diff changeset
1507
496
e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe]
jwe
parents: 482
diff changeset
1508 case token::if_end:
e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe]
jwe
parents: 482
diff changeset
1509 error (fmt, type, "endif", l, c);
e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe]
jwe
parents: 482
diff changeset
1510 break;
777
a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe]
jwe
parents: 773
diff changeset
1511
3233
98d0ee053ba4 [project @ 1999-01-27 20:23:40 by jwe]
jwe
parents: 3216
diff changeset
1512 case token::switch_end:
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
1513 error (fmt, type, "endswitch", l, c);
3233
98d0ee053ba4 [project @ 1999-01-27 20:23:40 by jwe]
jwe
parents: 3216
diff changeset
1514 break;
98d0ee053ba4 [project @ 1999-01-27 20:23:40 by jwe]
jwe
parents: 3216
diff changeset
1515
496
e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe]
jwe
parents: 482
diff changeset
1516 case token::while_end:
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
1517 error (fmt, type, "endwhile", l, c);
496
e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe]
jwe
parents: 482
diff changeset
1518 break;
777
a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe]
jwe
parents: 773
diff changeset
1519
5400
c7e3cf2fce3e [project @ 2005-07-05 15:01:32 by jwe]
jwe
parents: 5397
diff changeset
1520 case token::try_catch_end:
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
1521 error (fmt, type, "end_try_catch", l, c);
5400
c7e3cf2fce3e [project @ 2005-07-05 15:01:32 by jwe]
jwe
parents: 5397
diff changeset
1522 break;
c7e3cf2fce3e [project @ 2005-07-05 15:01:32 by jwe]
jwe
parents: 5397
diff changeset
1523
1371
766af9ca8edb [project @ 1995-09-06 21:36:02 by jwe]
jwe
parents: 1351
diff changeset
1524 case token::unwind_protect_end:
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
1525 error (fmt, type, "end_unwind_protect", l, c);
1371
766af9ca8edb [project @ 1995-09-06 21:36:02 by jwe]
jwe
parents: 1351
diff changeset
1526 break;
766af9ca8edb [project @ 1995-09-06 21:36:02 by jwe]
jwe
parents: 1351
diff changeset
1527
496
e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe]
jwe
parents: 482
diff changeset
1528 default:
e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe]
jwe
parents: 482
diff changeset
1529 panic_impossible ();
e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe]
jwe
parents: 482
diff changeset
1530 break;
e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe]
jwe
parents: 482
diff changeset
1531 }
e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe]
jwe
parents: 482
diff changeset
1532 }
e7c5b23b34d3 [project @ 1994-07-06 15:02:26 by jwe]
jwe
parents: 482
diff changeset
1533
666
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe]
jwe
parents: 627
diff changeset
1534 // Check to see that end tokens are properly matched.
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe]
jwe
parents: 627
diff changeset
1535
16134
ec9c6222ef5a move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents: 16133
diff changeset
1536 bool
16287
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
1537 octave_base_parser::end_token_ok (token *tok, token::end_tok_type expected)
143
7849db4b6dbc [project @ 1993-10-04 02:36:45 by jwe]
jwe
parents: 118
diff changeset
1538 {
2857
5448c8cba402 [project @ 1997-03-31 07:06:10 by jwe]
jwe
parents: 2856
diff changeset
1539 bool retval = true;
5448c8cba402 [project @ 1997-03-31 07:06:10 by jwe]
jwe
parents: 2856
diff changeset
1540
143
7849db4b6dbc [project @ 1993-10-04 02:36:45 by jwe]
jwe
parents: 118
diff changeset
1541 token::end_tok_type ettype = tok->ettype ();
2857
5448c8cba402 [project @ 1997-03-31 07:06:10 by jwe]
jwe
parents: 2856
diff changeset
1542
143
7849db4b6dbc [project @ 1993-10-04 02:36:45 by jwe]
jwe
parents: 118
diff changeset
1543 if (ettype != expected && ettype != token::simple_end)
7849db4b6dbc [project @ 1993-10-04 02:36:45 by jwe]
jwe
parents: 118
diff changeset
1544 {
2857
5448c8cba402 [project @ 1997-03-31 07:06:10 by jwe]
jwe
parents: 2856
diff changeset
1545 retval = false;
5448c8cba402 [project @ 1997-03-31 07:06:10 by jwe]
jwe
parents: 2856
diff changeset
1546
16142
26d65d677557 rename yyerror to bison_error and make it a member of octave_parser class
John W. Eaton <jwe@octave.org>
parents: 16139
diff changeset
1547 bison_error ("parse error");
143
7849db4b6dbc [project @ 1993-10-04 02:36:45 by jwe]
jwe
parents: 118
diff changeset
1548
7849db4b6dbc [project @ 1993-10-04 02:36:45 by jwe]
jwe
parents: 118
diff changeset
1549 int l = tok->line ();
7849db4b6dbc [project @ 1993-10-04 02:36:45 by jwe]
jwe
parents: 118
diff changeset
1550 int c = tok->column ();
7849db4b6dbc [project @ 1993-10-04 02:36:45 by jwe]
jwe
parents: 118
diff changeset
1551
7849db4b6dbc [project @ 1993-10-04 02:36:45 by jwe]
jwe
parents: 118
diff changeset
1552 switch (expected)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1553 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1554 case token::classdef_end:
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1555 end_error ("classdef", ettype, l, c);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1556 break;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1557
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1558 case token::for_end:
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1559 end_error ("for", ettype, l, c);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1560 break;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1561
13249
7861a5fd3479 accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents: 13246
diff changeset
1562 case token::enumeration_end:
7861a5fd3479 accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents: 13246
diff changeset
1563 end_error ("enumeration", ettype, l, c);
7861a5fd3479 accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents: 13246
diff changeset
1564 break;
7861a5fd3479 accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents: 13246
diff changeset
1565
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1566 case token::function_end:
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1567 end_error ("function", ettype, l, c);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1568 break;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1569
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1570 case token::if_end:
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1571 end_error ("if", ettype, l, c);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1572 break;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1573
13246
0c69a564f2be additional parfor changes
John W. Eaton <jwe@octave.org>
parents: 13245
diff changeset
1574 case token::parfor_end:
0c69a564f2be additional parfor changes
John W. Eaton <jwe@octave.org>
parents: 13245
diff changeset
1575 end_error ("parfor", ettype, l, c);
0c69a564f2be additional parfor changes
John W. Eaton <jwe@octave.org>
parents: 13245
diff changeset
1576 break;
0c69a564f2be additional parfor changes
John W. Eaton <jwe@octave.org>
parents: 13245
diff changeset
1577
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1578 case token::try_catch_end:
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1579 end_error ("try", ettype, l, c);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1580 break;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1581
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1582 case token::switch_end:
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1583 end_error ("switch", ettype, l, c);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1584 break;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1585
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1586 case token::unwind_protect_end:
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1587 end_error ("unwind_protect", ettype, l, c);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1588 break;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1589
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1590 case token::while_end:
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1591 end_error ("while", ettype, l, c);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1592 break;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1593
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1594 default:
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1595 panic_impossible ();
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1596 break;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1597 }
143
7849db4b6dbc [project @ 1993-10-04 02:36:45 by jwe]
jwe
parents: 118
diff changeset
1598 }
2857
5448c8cba402 [project @ 1997-03-31 07:06:10 by jwe]
jwe
parents: 2856
diff changeset
1599
5448c8cba402 [project @ 1997-03-31 07:06:10 by jwe]
jwe
parents: 2856
diff changeset
1600 return retval;
143
7849db4b6dbc [project @ 1993-10-04 02:36:45 by jwe]
jwe
parents: 118
diff changeset
1601 }
7849db4b6dbc [project @ 1993-10-04 02:36:45 by jwe]
jwe
parents: 118
diff changeset
1602
666
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe]
jwe
parents: 627
diff changeset
1603 // Maybe print a warning if an assignment expression is used as the
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe]
jwe
parents: 627
diff changeset
1604 // test in a logical expression.
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe]
jwe
parents: 627
diff changeset
1605
16134
ec9c6222ef5a move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents: 16133
diff changeset
1606 void
16287
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
1607 octave_base_parser::maybe_warn_assign_as_truth_value (tree_expression *expr)
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
1608 {
5781
faafc2d98b8d [project @ 2006-05-02 19:40:19 by jwe]
jwe
parents: 5775
diff changeset
1609 if (expr->is_assignment_expression ()
2961
8a77d52c9d02 [project @ 1997-05-12 01:36:04 by jwe]
jwe
parents: 2960
diff changeset
1610 && expr->paren_count () < 2)
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
1611 {
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
1612 if (lexer.fcn_file_full_name.empty ())
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1613 warning_with_id
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1614 ("Octave:assign-as-truth-value",
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1615 "suggest parenthesis around assignment used as truth value");
8974
fde2a916b2ac include line and file info in parser warnings
John W. Eaton <jwe@octave.org>
parents: 8950
diff changeset
1616 else
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1617 warning_with_id
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1618 ("Octave:assign-as-truth-value",
15466
d174210ce1ec use ' instead of ` in error messages, warnings and most comments
John W. Eaton <jwe@octave.org>
parents: 14189
diff changeset
1619 "suggest parenthesis around assignment used as truth value near line %d, column %d in file '%s'",
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
1620 expr->line (), expr->column (), lexer.fcn_file_full_name.c_str ());
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
1621 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
1622 }
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
1623
2764
2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe]
jwe
parents: 2745
diff changeset
1624 // Maybe print a warning about switch labels that aren't constants.
2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe]
jwe
parents: 2745
diff changeset
1625
16134
ec9c6222ef5a move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents: 16133
diff changeset
1626 void
16287
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
1627 octave_base_parser::maybe_warn_variable_switch_label (tree_expression *expr)
2764
2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe]
jwe
parents: 2745
diff changeset
1628 {
5781
faafc2d98b8d [project @ 2006-05-02 19:40:19 by jwe]
jwe
parents: 5775
diff changeset
1629 if (! expr->is_constant ())
8974
fde2a916b2ac include line and file info in parser warnings
John W. Eaton <jwe@octave.org>
parents: 8950
diff changeset
1630 {
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
1631 if (lexer.fcn_file_full_name.empty ())
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1632 warning_with_id ("Octave:variable-switch-label",
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1633 "variable switch label");
8974
fde2a916b2ac include line and file info in parser warnings
John W. Eaton <jwe@octave.org>
parents: 8950
diff changeset
1634 else
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1635 warning_with_id
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1636 ("Octave:variable-switch-label",
15466
d174210ce1ec use ' instead of ` in error messages, warnings and most comments
John W. Eaton <jwe@octave.org>
parents: 14189
diff changeset
1637 "variable switch label near line %d, column %d in file '%s'",
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
1638 expr->line (), expr->column (), lexer.fcn_file_full_name.c_str ());
8974
fde2a916b2ac include line and file info in parser warnings
John W. Eaton <jwe@octave.org>
parents: 8950
diff changeset
1639 }
2764
2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe]
jwe
parents: 2745
diff changeset
1640 }
2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe]
jwe
parents: 2745
diff changeset
1641
2533
987e934bbb8c [project @ 1996-11-19 18:21:23 by jwe]
jwe
parents: 2525
diff changeset
1642 static tree_expression *
987e934bbb8c [project @ 1996-11-19 18:21:23 by jwe]
jwe
parents: 2525
diff changeset
1643 fold (tree_binary_expression *e)
987e934bbb8c [project @ 1996-11-19 18:21:23 by jwe]
jwe
parents: 2525
diff changeset
1644 {
3110
fe2d1ae8926b [project @ 1997-11-21 02:11:19 by jwe]
jwe
parents: 3099
diff changeset
1645 tree_expression *retval = e;
fe2d1ae8926b [project @ 1997-11-21 02:11:19 by jwe]
jwe
parents: 3099
diff changeset
1646
10067
6f79338c269b omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents: 9794
diff changeset
1647 unwind_protect frame;
6f79338c269b omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents: 9794
diff changeset
1648
6f79338c269b omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents: 9794
diff changeset
1649 frame.protect_var (error_state);
6f79338c269b omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents: 9794
diff changeset
1650 frame.protect_var (warning_state);
6f79338c269b omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents: 9794
diff changeset
1651
6f79338c269b omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents: 9794
diff changeset
1652 frame.protect_var (discard_error_messages);
6f79338c269b omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents: 9794
diff changeset
1653 frame.protect_var (discard_warning_messages);
4452
f3c21a1d1c62 [project @ 2003-07-09 23:20:18 by jwe]
jwe
parents: 4426
diff changeset
1654
3815
c554ad71bafc [project @ 2001-04-19 19:50:52 by jwe]
jwe
parents: 3802
diff changeset
1655 discard_error_messages = true;
4452
f3c21a1d1c62 [project @ 2003-07-09 23:20:18 by jwe]
jwe
parents: 4426
diff changeset
1656 discard_warning_messages = true;
2533
987e934bbb8c [project @ 1996-11-19 18:21:23 by jwe]
jwe
parents: 2525
diff changeset
1657
987e934bbb8c [project @ 1996-11-19 18:21:23 by jwe]
jwe
parents: 2525
diff changeset
1658 tree_expression *op1 = e->lhs ();
987e934bbb8c [project @ 1996-11-19 18:21:23 by jwe]
jwe
parents: 2525
diff changeset
1659 tree_expression *op2 = e->rhs ();
987e934bbb8c [project @ 1996-11-19 18:21:23 by jwe]
jwe
parents: 2525
diff changeset
1660
13844
e48529b3dbd4 eliminate warnings for changes in operator precedence made years ago
John W. Eaton <jwe@octave.org>
parents: 13250
diff changeset
1661 if (op1->is_constant () && op2->is_constant ())
2533
987e934bbb8c [project @ 1996-11-19 18:21:23 by jwe]
jwe
parents: 2525
diff changeset
1662 {
8658
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents: 8471
diff changeset
1663 octave_value tmp = e->rvalue1 ();
2533
987e934bbb8c [project @ 1996-11-19 18:21:23 by jwe]
jwe
parents: 2525
diff changeset
1664
3489
cbee5fbb696d [project @ 2000-01-28 09:14:32 by jwe]
jwe
parents: 3485
diff changeset
1665 if (! (error_state || warning_state))
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1666 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1667 tree_constant *tc_retval
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1668 = new tree_constant (tmp, op1->line (), op1->column ());
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1669
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1670 std::ostringstream buf;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1671
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1672 tree_print_code tpc (buf);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1673
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1674 e->accept (tpc);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1675
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1676 tc_retval->stash_original_text (buf.str ());
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1677
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1678 delete e;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1679
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1680 retval = tc_retval;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1681 }
2533
987e934bbb8c [project @ 1996-11-19 18:21:23 by jwe]
jwe
parents: 2525
diff changeset
1682 }
3110
fe2d1ae8926b [project @ 1997-11-21 02:11:19 by jwe]
jwe
parents: 3099
diff changeset
1683
3292
ad0d250ebd7e [project @ 1999-10-14 22:52:28 by jwe]
jwe
parents: 3258
diff changeset
1684 return retval;
ad0d250ebd7e [project @ 1999-10-14 22:52:28 by jwe]
jwe
parents: 3258
diff changeset
1685 }
ad0d250ebd7e [project @ 1999-10-14 22:52:28 by jwe]
jwe
parents: 3258
diff changeset
1686
ad0d250ebd7e [project @ 1999-10-14 22:52:28 by jwe]
jwe
parents: 3258
diff changeset
1687 static tree_expression *
ad0d250ebd7e [project @ 1999-10-14 22:52:28 by jwe]
jwe
parents: 3258
diff changeset
1688 fold (tree_unary_expression *e)
ad0d250ebd7e [project @ 1999-10-14 22:52:28 by jwe]
jwe
parents: 3258
diff changeset
1689 {
ad0d250ebd7e [project @ 1999-10-14 22:52:28 by jwe]
jwe
parents: 3258
diff changeset
1690 tree_expression *retval = e;
ad0d250ebd7e [project @ 1999-10-14 22:52:28 by jwe]
jwe
parents: 3258
diff changeset
1691
10067
6f79338c269b omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents: 9794
diff changeset
1692 unwind_protect frame;
6f79338c269b omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents: 9794
diff changeset
1693
6f79338c269b omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents: 9794
diff changeset
1694 frame.protect_var (error_state);
6f79338c269b omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents: 9794
diff changeset
1695 frame.protect_var (warning_state);
6f79338c269b omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents: 9794
diff changeset
1696
6f79338c269b omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents: 9794
diff changeset
1697 frame.protect_var (discard_error_messages);
6f79338c269b omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents: 9794
diff changeset
1698 frame.protect_var (discard_warning_messages);
4452
f3c21a1d1c62 [project @ 2003-07-09 23:20:18 by jwe]
jwe
parents: 4426
diff changeset
1699
3815
c554ad71bafc [project @ 2001-04-19 19:50:52 by jwe]
jwe
parents: 3802
diff changeset
1700 discard_error_messages = true;
4452
f3c21a1d1c62 [project @ 2003-07-09 23:20:18 by jwe]
jwe
parents: 4426
diff changeset
1701 discard_warning_messages = true;
3292
ad0d250ebd7e [project @ 1999-10-14 22:52:28 by jwe]
jwe
parents: 3258
diff changeset
1702
ad0d250ebd7e [project @ 1999-10-14 22:52:28 by jwe]
jwe
parents: 3258
diff changeset
1703 tree_expression *op = e->operand ();
ad0d250ebd7e [project @ 1999-10-14 22:52:28 by jwe]
jwe
parents: 3258
diff changeset
1704
ad0d250ebd7e [project @ 1999-10-14 22:52:28 by jwe]
jwe
parents: 3258
diff changeset
1705 if (op->is_constant ())
ad0d250ebd7e [project @ 1999-10-14 22:52:28 by jwe]
jwe
parents: 3258
diff changeset
1706 {
8658
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents: 8471
diff changeset
1707 octave_value tmp = e->rvalue1 ();
3292
ad0d250ebd7e [project @ 1999-10-14 22:52:28 by jwe]
jwe
parents: 3258
diff changeset
1708
3489
cbee5fbb696d [project @ 2000-01-28 09:14:32 by jwe]
jwe
parents: 3485
diff changeset
1709 if (! (error_state || warning_state))
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1710 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1711 tree_constant *tc_retval
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1712 = new tree_constant (tmp, op->line (), op->column ());
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1713
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1714 std::ostringstream buf;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1715
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1716 tree_print_code tpc (buf);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1717
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1718 e->accept (tpc);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1719
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1720 tc_retval->stash_original_text (buf.str ());
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1721
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1722 delete e;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1723
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1724 retval = tc_retval;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1725 }
3292
ad0d250ebd7e [project @ 1999-10-14 22:52:28 by jwe]
jwe
parents: 3258
diff changeset
1726 }
ad0d250ebd7e [project @ 1999-10-14 22:52:28 by jwe]
jwe
parents: 3258
diff changeset
1727
2533
987e934bbb8c [project @ 1996-11-19 18:21:23 by jwe]
jwe
parents: 2525
diff changeset
1728 return retval;
987e934bbb8c [project @ 1996-11-19 18:21:23 by jwe]
jwe
parents: 2525
diff changeset
1729 }
987e934bbb8c [project @ 1996-11-19 18:21:23 by jwe]
jwe
parents: 2525
diff changeset
1730
1623
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
1731 // Finish building a range.
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
1732
16134
ec9c6222ef5a move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents: 16133
diff changeset
1733 tree_expression *
16287
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
1734 octave_base_parser::finish_colon_expression (tree_colon_expression *e)
1623
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
1735 {
3110
fe2d1ae8926b [project @ 1997-11-21 02:11:19 by jwe]
jwe
parents: 3099
diff changeset
1736 tree_expression *retval = e;
fe2d1ae8926b [project @ 1997-11-21 02:11:19 by jwe]
jwe
parents: 3099
diff changeset
1737
10067
6f79338c269b omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents: 9794
diff changeset
1738 unwind_protect frame;
6f79338c269b omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents: 9794
diff changeset
1739
6f79338c269b omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents: 9794
diff changeset
1740 frame.protect_var (error_state);
6f79338c269b omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents: 9794
diff changeset
1741 frame.protect_var (warning_state);
6f79338c269b omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents: 9794
diff changeset
1742
6f79338c269b omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents: 9794
diff changeset
1743 frame.protect_var (discard_error_messages);
6f79338c269b omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents: 9794
diff changeset
1744 frame.protect_var (discard_warning_messages);
4452
f3c21a1d1c62 [project @ 2003-07-09 23:20:18 by jwe]
jwe
parents: 4426
diff changeset
1745
3815
c554ad71bafc [project @ 2001-04-19 19:50:52 by jwe]
jwe
parents: 3802
diff changeset
1746 discard_error_messages = true;
4452
f3c21a1d1c62 [project @ 2003-07-09 23:20:18 by jwe]
jwe
parents: 4426
diff changeset
1747 discard_warning_messages = true;
1623
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
1748
2533
987e934bbb8c [project @ 1996-11-19 18:21:23 by jwe]
jwe
parents: 2525
diff changeset
1749 tree_expression *base = e->base ();
987e934bbb8c [project @ 1996-11-19 18:21:23 by jwe]
jwe
parents: 2525
diff changeset
1750 tree_expression *limit = e->limit ();
987e934bbb8c [project @ 1996-11-19 18:21:23 by jwe]
jwe
parents: 2525
diff changeset
1751 tree_expression *incr = e->increment ();
987e934bbb8c [project @ 1996-11-19 18:21:23 by jwe]
jwe
parents: 2525
diff changeset
1752
2970
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
1753 if (base)
1623
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
1754 {
2970
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
1755 if (limit)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1756 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1757 if (base->is_constant () && limit->is_constant ()
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1758 && (! incr || (incr && incr->is_constant ())))
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1759 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1760 octave_value tmp = e->rvalue1 ();
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1761
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1762 if (! (error_state || warning_state))
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1763 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1764 tree_constant *tc_retval
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1765 = new tree_constant (tmp, base->line (), base->column ());
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1766
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1767 std::ostringstream buf;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1768
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1769 tree_print_code tpc (buf);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1770
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1771 e->accept (tpc);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1772
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1773 tc_retval->stash_original_text (buf.str ());
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1774
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1775 delete e;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1776
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1777 retval = tc_retval;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1778 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1779 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1780 }
2533
987e934bbb8c [project @ 1996-11-19 18:21:23 by jwe]
jwe
parents: 2525
diff changeset
1781 else
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1782 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1783 e->preserve_base ();
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1784 delete e;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1785
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1786 // FIXME -- need to attempt constant folding here
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1787 // too (we need a generic way to do that).
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1788 retval = base;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1789 }
1623
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
1790 }
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
1791
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
1792 return retval;
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
1793 }
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
1794
1607
795527e9db19 [project @ 1995-11-02 13:03:36 by jwe]
jwe
parents: 1588
diff changeset
1795 // Make a constant.
795527e9db19 [project @ 1995-11-02 13:03:36 by jwe]
jwe
parents: 1588
diff changeset
1796
16134
ec9c6222ef5a move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents: 16133
diff changeset
1797 tree_constant *
16287
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
1798 octave_base_parser::make_constant (int op, token *tok_val)
1607
795527e9db19 [project @ 1995-11-02 13:03:36 by jwe]
jwe
parents: 1588
diff changeset
1799 {
795527e9db19 [project @ 1995-11-02 13:03:36 by jwe]
jwe
parents: 1588
diff changeset
1800 int l = tok_val->line ();
795527e9db19 [project @ 1995-11-02 13:03:36 by jwe]
jwe
parents: 1588
diff changeset
1801 int c = tok_val->column ();
795527e9db19 [project @ 1995-11-02 13:03:36 by jwe]
jwe
parents: 1588
diff changeset
1802
3216
60a89a69a70a [project @ 1998-11-11 20:47:03 by jwe]
jwe
parents: 3208
diff changeset
1803 tree_constant *retval = 0;
1607
795527e9db19 [project @ 1995-11-02 13:03:36 by jwe]
jwe
parents: 1588
diff changeset
1804
795527e9db19 [project @ 1995-11-02 13:03:36 by jwe]
jwe
parents: 1588
diff changeset
1805 switch (op)
795527e9db19 [project @ 1995-11-02 13:03:36 by jwe]
jwe
parents: 1588
diff changeset
1806 {
795527e9db19 [project @ 1995-11-02 13:03:36 by jwe]
jwe
parents: 1588
diff changeset
1807 case NUM:
2533
987e934bbb8c [project @ 1996-11-19 18:21:23 by jwe]
jwe
parents: 2525
diff changeset
1808 {
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1809 octave_value tmp (tok_val->number ());
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1810 retval = new tree_constant (tmp, l, c);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1811 retval->stash_original_text (tok_val->text_rep ());
2533
987e934bbb8c [project @ 1996-11-19 18:21:23 by jwe]
jwe
parents: 2525
diff changeset
1812 }
1607
795527e9db19 [project @ 1995-11-02 13:03:36 by jwe]
jwe
parents: 1588
diff changeset
1813 break;
795527e9db19 [project @ 1995-11-02 13:03:36 by jwe]
jwe
parents: 1588
diff changeset
1814
795527e9db19 [project @ 1995-11-02 13:03:36 by jwe]
jwe
parents: 1588
diff changeset
1815 case IMAG_NUM:
795527e9db19 [project @ 1995-11-02 13:03:36 by jwe]
jwe
parents: 1588
diff changeset
1816 {
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1817 octave_value tmp (Complex (0.0, tok_val->number ()));
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1818 retval = new tree_constant (tmp, l, c);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1819 retval->stash_original_text (tok_val->text_rep ());
1607
795527e9db19 [project @ 1995-11-02 13:03:36 by jwe]
jwe
parents: 1588
diff changeset
1820 }
795527e9db19 [project @ 1995-11-02 13:03:36 by jwe]
jwe
parents: 1588
diff changeset
1821 break;
795527e9db19 [project @ 1995-11-02 13:03:36 by jwe]
jwe
parents: 1588
diff changeset
1822
5279
bd32f770c09a [project @ 2005-04-12 21:55:31 by jwe]
jwe
parents: 5189
diff changeset
1823 case DQ_STRING:
bd32f770c09a [project @ 2005-04-12 21:55:31 by jwe]
jwe
parents: 5189
diff changeset
1824 case SQ_STRING:
2883
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe]
jwe
parents: 2865
diff changeset
1825 {
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1826 std::string txt = tok_val->text ();
7699
27a5f578750c make_constant: handle escape sequences in dq-strings
John W. Eaton <jwe@octave.org>
parents: 7690
diff changeset
1827
8150
283989f2da9b make null assignment matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 8064
diff changeset
1828 char delim = op == DQ_STRING ? '"' : '\'';
283989f2da9b make null assignment matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 8064
diff changeset
1829 octave_value tmp (txt, delim);
283989f2da9b make null assignment matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 8064
diff changeset
1830
283989f2da9b make null assignment matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 8064
diff changeset
1831 if (txt.empty ())
283989f2da9b make null assignment matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 8064
diff changeset
1832 {
283989f2da9b make null assignment matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 8064
diff changeset
1833 if (op == DQ_STRING)
283989f2da9b make null assignment matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 8064
diff changeset
1834 tmp = octave_null_str::instance;
283989f2da9b make null assignment matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 8064
diff changeset
1835 else
283989f2da9b make null assignment matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 8064
diff changeset
1836 tmp = octave_null_sq_str::instance;
283989f2da9b make null assignment matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 8064
diff changeset
1837 }
283989f2da9b make null assignment matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 8064
diff changeset
1838
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1839 retval = new tree_constant (tmp, l, c);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1840
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1841 if (op == DQ_STRING)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1842 txt = undo_string_escapes (txt);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1843
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1844 // FIXME -- maybe this should also be handled by
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1845 // tok_val->text_rep () for character strings?
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
1846 retval->stash_original_text (delim + txt + delim);
2883
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe]
jwe
parents: 2865
diff changeset
1847 }
1607
795527e9db19 [project @ 1995-11-02 13:03:36 by jwe]
jwe
parents: 1588
diff changeset
1848 break;
795527e9db19 [project @ 1995-11-02 13:03:36 by jwe]
jwe
parents: 1588
diff changeset
1849
795527e9db19 [project @ 1995-11-02 13:03:36 by jwe]
jwe
parents: 1588
diff changeset
1850 default:
795527e9db19 [project @ 1995-11-02 13:03:36 by jwe]
jwe
parents: 1588
diff changeset
1851 panic_impossible ();
795527e9db19 [project @ 1995-11-02 13:03:36 by jwe]
jwe
parents: 1588
diff changeset
1852 break;
795527e9db19 [project @ 1995-11-02 13:03:36 by jwe]
jwe
parents: 1588
diff changeset
1853 }
795527e9db19 [project @ 1995-11-02 13:03:36 by jwe]
jwe
parents: 1588
diff changeset
1854
795527e9db19 [project @ 1995-11-02 13:03:36 by jwe]
jwe
parents: 1588
diff changeset
1855 return retval;
795527e9db19 [project @ 1995-11-02 13:03:36 by jwe]
jwe
parents: 1588
diff changeset
1856 }
795527e9db19 [project @ 1995-11-02 13:03:36 by jwe]
jwe
parents: 1588
diff changeset
1857
4342
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe]
jwe
parents: 4318
diff changeset
1858 // Make a function handle.
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe]
jwe
parents: 4318
diff changeset
1859
16134
ec9c6222ef5a move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents: 16133
diff changeset
1860 tree_fcn_handle *
16287
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
1861 octave_base_parser::make_fcn_handle (token *tok_val)
4342
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe]
jwe
parents: 4318
diff changeset
1862 {
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe]
jwe
parents: 4318
diff changeset
1863 int l = tok_val->line ();
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe]
jwe
parents: 4318
diff changeset
1864 int c = tok_val->column ();
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe]
jwe
parents: 4318
diff changeset
1865
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe]
jwe
parents: 4318
diff changeset
1866 tree_fcn_handle *retval = new tree_fcn_handle (tok_val->text (), l, c);
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe]
jwe
parents: 4318
diff changeset
1867
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe]
jwe
parents: 4318
diff changeset
1868 return retval;
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe]
jwe
parents: 4318
diff changeset
1869 }
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe]
jwe
parents: 4318
diff changeset
1870
4935
4fc993a4e072 [project @ 2004-08-06 03:17:12 by jwe]
jwe
parents: 4930
diff changeset
1871 // Make an anonymous function handle.
4fc993a4e072 [project @ 2004-08-06 03:17:12 by jwe]
jwe
parents: 4930
diff changeset
1872
16134
ec9c6222ef5a move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents: 16133
diff changeset
1873 tree_anon_fcn_handle *
16287
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
1874 octave_base_parser::make_anon_fcn_handle (tree_parameter_list *param_list,
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
1875 tree_statement *stmt)
4935
4fc993a4e072 [project @ 2004-08-06 03:17:12 by jwe]
jwe
parents: 4930
diff changeset
1876 {
5775
ace8d8d26933 [project @ 2006-04-24 19:13:06 by jwe]
jwe
parents: 5774
diff changeset
1877 // FIXME -- need to get these from the location of the @ symbol.
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
1878 int l = lexer.input_line_number;
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
1879 int c = lexer.current_input_column;
4935
4fc993a4e072 [project @ 2004-08-06 03:17:12 by jwe]
jwe
parents: 4930
diff changeset
1880
4fc993a4e072 [project @ 2004-08-06 03:17:12 by jwe]
jwe
parents: 4930
diff changeset
1881 tree_parameter_list *ret_list = 0;
4fc993a4e072 [project @ 2004-08-06 03:17:12 by jwe]
jwe
parents: 4930
diff changeset
1882
7336
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe]
jwe
parents: 7017
diff changeset
1883 symbol_table::scope_id fcn_scope = symbol_table::current_scope ();
5861
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe]
jwe
parents: 5848
diff changeset
1884
14329
8d1ae996c122 also save and restore symbol table context in parser (bug #35448)
John W. Eaton <jwe@octave.org>
parents: 14294
diff changeset
1885 if (parser_symtab_context.empty ())
5861
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe]
jwe
parents: 5848
diff changeset
1886 panic_impossible ();
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe]
jwe
parents: 5848
diff changeset
1887
14329
8d1ae996c122 also save and restore symbol table context in parser (bug #35448)
John W. Eaton <jwe@octave.org>
parents: 14294
diff changeset
1888 parser_symtab_context.pop ();
5861
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe]
jwe
parents: 5848
diff changeset
1889
7351
8470a6b0b769 [project @ 2008-01-07 17:57:24 by jwe]
jwe
parents: 7336
diff changeset
1890 stmt->set_print_flag (false);
4935
4fc993a4e072 [project @ 2004-08-06 03:17:12 by jwe]
jwe
parents: 4930
diff changeset
1891
4fc993a4e072 [project @ 2004-08-06 03:17:12 by jwe]
jwe
parents: 4930
diff changeset
1892 tree_statement_list *body = new tree_statement_list (stmt);
4fc993a4e072 [project @ 2004-08-06 03:17:12 by jwe]
jwe
parents: 4930
diff changeset
1893
8658
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents: 8471
diff changeset
1894 body->mark_as_anon_function_body ();
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents: 8471
diff changeset
1895
5861
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe]
jwe
parents: 5848
diff changeset
1896 tree_anon_fcn_handle *retval
7336
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe]
jwe
parents: 7017
diff changeset
1897 = new tree_anon_fcn_handle (param_list, ret_list, body, fcn_scope, l, c);
13125
34a49d076155 Show row/column for anonymous functions in the profiler
Daniel Kraft <d@domob.eu>
parents: 13029
diff changeset
1898 // FIXME: Stash the filename. This does not work and produces
34a49d076155 Show row/column for anonymous functions in the profiler
Daniel Kraft <d@domob.eu>
parents: 13029
diff changeset
1899 // errors when executed.
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
1900 //retval->stash_file_name (lexer.fcn_file_name);
4935
4fc993a4e072 [project @ 2004-08-06 03:17:12 by jwe]
jwe
parents: 4930
diff changeset
1901
4fc993a4e072 [project @ 2004-08-06 03:17:12 by jwe]
jwe
parents: 4930
diff changeset
1902 return retval;
4fc993a4e072 [project @ 2004-08-06 03:17:12 by jwe]
jwe
parents: 4930
diff changeset
1903 }
4fc993a4e072 [project @ 2004-08-06 03:17:12 by jwe]
jwe
parents: 4930
diff changeset
1904
666
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe]
jwe
parents: 627
diff changeset
1905 // Build a binary expression.
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe]
jwe
parents: 627
diff changeset
1906
16134
ec9c6222ef5a move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents: 16133
diff changeset
1907 tree_expression *
16287
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
1908 octave_base_parser::make_binary_op (int op, tree_expression *op1,
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
1909 token *tok_val, tree_expression *op2)
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
1910 {
2883
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe]
jwe
parents: 2865
diff changeset
1911 octave_value::binary_op t = octave_value::unknown_binary_op;
1623
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
1912
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
1913 switch (op)
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
1914 {
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
1915 case POW:
3525
6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe]
jwe
parents: 3523
diff changeset
1916 t = octave_value::op_pow;
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
1917 break;
777
a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe]
jwe
parents: 773
diff changeset
1918
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
1919 case EPOW:
3525
6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe]
jwe
parents: 3523
diff changeset
1920 t = octave_value::op_el_pow;
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
1921 break;
777
a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe]
jwe
parents: 773
diff changeset
1922
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
1923 case '+':
3525
6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe]
jwe
parents: 3523
diff changeset
1924 t = octave_value::op_add;
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
1925 break;
777
a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe]
jwe
parents: 773
diff changeset
1926
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
1927 case '-':
3525
6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe]
jwe
parents: 3523
diff changeset
1928 t = octave_value::op_sub;
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
1929 break;
777
a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe]
jwe
parents: 773
diff changeset
1930
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
1931 case '*':
3525
6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe]
jwe
parents: 3523
diff changeset
1932 t = octave_value::op_mul;
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
1933 break;
777
a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe]
jwe
parents: 773
diff changeset
1934
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
1935 case '/':
3525
6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe]
jwe
parents: 3523
diff changeset
1936 t = octave_value::op_div;
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
1937 break;
777
a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe]
jwe
parents: 773
diff changeset
1938
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
1939 case EMUL:
3525
6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe]
jwe
parents: 3523
diff changeset
1940 t = octave_value::op_el_mul;
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
1941 break;
777
a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe]
jwe
parents: 773
diff changeset
1942
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
1943 case EDIV:
3525
6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe]
jwe
parents: 3523
diff changeset
1944 t = octave_value::op_el_div;
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
1945 break;
777
a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe]
jwe
parents: 773
diff changeset
1946
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
1947 case LEFTDIV:
3525
6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe]
jwe
parents: 3523
diff changeset
1948 t = octave_value::op_ldiv;
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
1949 break;
777
a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe]
jwe
parents: 773
diff changeset
1950
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
1951 case ELEFTDIV:
3525
6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe]
jwe
parents: 3523
diff changeset
1952 t = octave_value::op_el_ldiv;
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
1953 break;
777
a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe]
jwe
parents: 773
diff changeset
1954
2899
0d79a8c11a2b [project @ 1997-04-30 03:09:23 by jwe]
jwe
parents: 2891
diff changeset
1955 case LSHIFT:
3525
6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe]
jwe
parents: 3523
diff changeset
1956 t = octave_value::op_lshift;
2899
0d79a8c11a2b [project @ 1997-04-30 03:09:23 by jwe]
jwe
parents: 2891
diff changeset
1957 break;
0d79a8c11a2b [project @ 1997-04-30 03:09:23 by jwe]
jwe
parents: 2891
diff changeset
1958
0d79a8c11a2b [project @ 1997-04-30 03:09:23 by jwe]
jwe
parents: 2891
diff changeset
1959 case RSHIFT:
3525
6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe]
jwe
parents: 3523
diff changeset
1960 t = octave_value::op_rshift;
2899
0d79a8c11a2b [project @ 1997-04-30 03:09:23 by jwe]
jwe
parents: 2891
diff changeset
1961 break;
0d79a8c11a2b [project @ 1997-04-30 03:09:23 by jwe]
jwe
parents: 2891
diff changeset
1962
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
1963 case EXPR_LT:
3525
6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe]
jwe
parents: 3523
diff changeset
1964 t = octave_value::op_lt;
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
1965 break;
777
a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe]
jwe
parents: 773
diff changeset
1966
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
1967 case EXPR_LE:
3525
6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe]
jwe
parents: 3523
diff changeset
1968 t = octave_value::op_le;
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
1969 break;
777
a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe]
jwe
parents: 773
diff changeset
1970
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
1971 case EXPR_EQ:
3525
6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe]
jwe
parents: 3523
diff changeset
1972 t = octave_value::op_eq;
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
1973 break;
777
a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe]
jwe
parents: 773
diff changeset
1974
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
1975 case EXPR_GE:
3525
6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe]
jwe
parents: 3523
diff changeset
1976 t = octave_value::op_ge;
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
1977 break;
777
a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe]
jwe
parents: 773
diff changeset
1978
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
1979 case EXPR_GT:
3525
6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe]
jwe
parents: 3523
diff changeset
1980 t = octave_value::op_gt;
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
1981 break;
777
a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe]
jwe
parents: 773
diff changeset
1982
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
1983 case EXPR_NE:
3525
6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe]
jwe
parents: 3523
diff changeset
1984 t = octave_value::op_ne;
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
1985 break;
777
a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe]
jwe
parents: 773
diff changeset
1986
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
1987 case EXPR_AND:
3525
6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe]
jwe
parents: 3523
diff changeset
1988 t = octave_value::op_el_and;
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
1989 break;
777
a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe]
jwe
parents: 773
diff changeset
1990
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
1991 case EXPR_OR:
3525
6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe]
jwe
parents: 3523
diff changeset
1992 t = octave_value::op_el_or;
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
1993 break;
777
a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe]
jwe
parents: 773
diff changeset
1994
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
1995 default:
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
1996 panic_impossible ();
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
1997 break;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
1998 }
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
1999
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
2000 int l = tok_val->line ();
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
2001 int c = tok_val->column ();
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
2002
2533
987e934bbb8c [project @ 1996-11-19 18:21:23 by jwe]
jwe
parents: 2525
diff changeset
2003 tree_binary_expression *e
7800
5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm
Jaroslav Hajek <highegg@gmail.com>
parents: 7787
diff changeset
2004 = maybe_compound_binary_expression (op1, op2, l, c, t);
1623
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2005
2533
987e934bbb8c [project @ 1996-11-19 18:21:23 by jwe]
jwe
parents: 2525
diff changeset
2006 return fold (e);
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
2007 }
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
2008
2375
7ef24992e290 [project @ 1996-10-12 00:39:52 by jwe]
jwe
parents: 2200
diff changeset
2009 // Build a boolean expression.
666
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe]
jwe
parents: 627
diff changeset
2010
16134
ec9c6222ef5a move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents: 16133
diff changeset
2011 tree_expression *
16287
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2012 octave_base_parser::make_boolean_op (int op, tree_expression *op1,
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2013 token *tok_val, tree_expression *op2)
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
2014 {
2375
7ef24992e290 [project @ 1996-10-12 00:39:52 by jwe]
jwe
parents: 2200
diff changeset
2015 tree_boolean_expression::type t;
7ef24992e290 [project @ 1996-10-12 00:39:52 by jwe]
jwe
parents: 2200
diff changeset
2016
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
2017 switch (op)
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
2018 {
2375
7ef24992e290 [project @ 1996-10-12 00:39:52 by jwe]
jwe
parents: 2200
diff changeset
2019 case EXPR_AND_AND:
2805
68e6d0c93fc8 [project @ 1997-03-11 04:52:44 by jwe]
jwe
parents: 2791
diff changeset
2020 t = tree_boolean_expression::bool_and;
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
2021 break;
777
a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe]
jwe
parents: 773
diff changeset
2022
2375
7ef24992e290 [project @ 1996-10-12 00:39:52 by jwe]
jwe
parents: 2200
diff changeset
2023 case EXPR_OR_OR:
2805
68e6d0c93fc8 [project @ 1997-03-11 04:52:44 by jwe]
jwe
parents: 2791
diff changeset
2024 t = tree_boolean_expression::bool_or;
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
2025 break;
777
a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe]
jwe
parents: 773
diff changeset
2026
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
2027 default:
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
2028 panic_impossible ();
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
2029 break;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
2030 }
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
2031
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
2032 int l = tok_val->line ();
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
2033 int c = tok_val->column ();
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
2034
2533
987e934bbb8c [project @ 1996-11-19 18:21:23 by jwe]
jwe
parents: 2525
diff changeset
2035 tree_boolean_expression *e
987e934bbb8c [project @ 1996-11-19 18:21:23 by jwe]
jwe
parents: 2525
diff changeset
2036 = new tree_boolean_expression (op1, op2, l, c, t);
2375
7ef24992e290 [project @ 1996-10-12 00:39:52 by jwe]
jwe
parents: 2200
diff changeset
2037
2533
987e934bbb8c [project @ 1996-11-19 18:21:23 by jwe]
jwe
parents: 2525
diff changeset
2038 return fold (e);
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
2039 }
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
2040
2375
7ef24992e290 [project @ 1996-10-12 00:39:52 by jwe]
jwe
parents: 2200
diff changeset
2041 // Build a prefix expression.
666
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe]
jwe
parents: 627
diff changeset
2042
16134
ec9c6222ef5a move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents: 16133
diff changeset
2043 tree_expression *
16287
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2044 octave_base_parser::make_prefix_op (int op, tree_expression *op1,
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2045 token *tok_val)
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
2046 {
3203
bc61b0e8d60e [project @ 1998-10-30 20:26:27 by jwe]
jwe
parents: 3195
diff changeset
2047 octave_value::unary_op t = octave_value::unknown_unary_op;
2375
7ef24992e290 [project @ 1996-10-12 00:39:52 by jwe]
jwe
parents: 2200
diff changeset
2048
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
2049 switch (op)
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
2050 {
2960
194b50e4725b [project @ 1997-05-12 00:43:54 by jwe]
jwe
parents: 2899
diff changeset
2051 case EXPR_NOT:
3525
6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe]
jwe
parents: 3523
diff changeset
2052 t = octave_value::op_not;
2960
194b50e4725b [project @ 1997-05-12 00:43:54 by jwe]
jwe
parents: 2899
diff changeset
2053 break;
194b50e4725b [project @ 1997-05-12 00:43:54 by jwe]
jwe
parents: 2899
diff changeset
2054
4965
c0d8e8afa82f [project @ 2004-09-06 20:19:57 by jwe]
jwe
parents: 4935
diff changeset
2055 case '+':
c0d8e8afa82f [project @ 2004-09-06 20:19:57 by jwe]
jwe
parents: 4935
diff changeset
2056 t = octave_value::op_uplus;
c0d8e8afa82f [project @ 2004-09-06 20:19:57 by jwe]
jwe
parents: 4935
diff changeset
2057 break;
c0d8e8afa82f [project @ 2004-09-06 20:19:57 by jwe]
jwe
parents: 4935
diff changeset
2058
2960
194b50e4725b [project @ 1997-05-12 00:43:54 by jwe]
jwe
parents: 2899
diff changeset
2059 case '-':
3525
6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe]
jwe
parents: 3523
diff changeset
2060 t = octave_value::op_uminus;
2960
194b50e4725b [project @ 1997-05-12 00:43:54 by jwe]
jwe
parents: 2899
diff changeset
2061 break;
194b50e4725b [project @ 1997-05-12 00:43:54 by jwe]
jwe
parents: 2899
diff changeset
2062
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
2063 case PLUS_PLUS:
3525
6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe]
jwe
parents: 3523
diff changeset
2064 t = octave_value::op_incr;
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
2065 break;
777
a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe]
jwe
parents: 773
diff changeset
2066
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
2067 case MINUS_MINUS:
3525
6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe]
jwe
parents: 3523
diff changeset
2068 t = octave_value::op_decr;
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
2069 break;
777
a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe]
jwe
parents: 773
diff changeset
2070
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
2071 default:
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
2072 panic_impossible ();
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
2073 break;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
2074 }
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
2075
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
2076 int l = tok_val->line ();
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
2077 int c = tok_val->column ();
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
2078
3292
ad0d250ebd7e [project @ 1999-10-14 22:52:28 by jwe]
jwe
parents: 3258
diff changeset
2079 tree_prefix_expression *e
ad0d250ebd7e [project @ 1999-10-14 22:52:28 by jwe]
jwe
parents: 3258
diff changeset
2080 = new tree_prefix_expression (op1, l, c, t);
ad0d250ebd7e [project @ 1999-10-14 22:52:28 by jwe]
jwe
parents: 3258
diff changeset
2081
ad0d250ebd7e [project @ 1999-10-14 22:52:28 by jwe]
jwe
parents: 3258
diff changeset
2082 return fold (e);
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
2083 }
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
2084
2375
7ef24992e290 [project @ 1996-10-12 00:39:52 by jwe]
jwe
parents: 2200
diff changeset
2085 // Build a postfix expression.
666
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe]
jwe
parents: 627
diff changeset
2086
16134
ec9c6222ef5a move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents: 16133
diff changeset
2087 tree_expression *
16287
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2088 octave_base_parser::make_postfix_op (int op, tree_expression *op1,
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2089 token *tok_val)
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
2090 {
3203
bc61b0e8d60e [project @ 1998-10-30 20:26:27 by jwe]
jwe
parents: 3195
diff changeset
2091 octave_value::unary_op t = octave_value::unknown_unary_op;
1623
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2092
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
2093 switch (op)
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
2094 {
16284
09881dab3aaf * lex.ll, oct-parse.in.yy (HERMITIAN): Rename token from QUOTE.
John W. Eaton <jwe@octave.org>
parents: 16279
diff changeset
2095 case HERMITIAN:
3525
6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe]
jwe
parents: 3523
diff changeset
2096 t = octave_value::op_hermitian;
2960
194b50e4725b [project @ 1997-05-12 00:43:54 by jwe]
jwe
parents: 2899
diff changeset
2097 break;
194b50e4725b [project @ 1997-05-12 00:43:54 by jwe]
jwe
parents: 2899
diff changeset
2098
194b50e4725b [project @ 1997-05-12 00:43:54 by jwe]
jwe
parents: 2899
diff changeset
2099 case TRANSPOSE:
3525
6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe]
jwe
parents: 3523
diff changeset
2100 t = octave_value::op_transpose;
2960
194b50e4725b [project @ 1997-05-12 00:43:54 by jwe]
jwe
parents: 2899
diff changeset
2101 break;
194b50e4725b [project @ 1997-05-12 00:43:54 by jwe]
jwe
parents: 2899
diff changeset
2102
2375
7ef24992e290 [project @ 1996-10-12 00:39:52 by jwe]
jwe
parents: 2200
diff changeset
2103 case PLUS_PLUS:
3525
6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe]
jwe
parents: 3523
diff changeset
2104 t = octave_value::op_incr;
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
2105 break;
777
a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe]
jwe
parents: 773
diff changeset
2106
2375
7ef24992e290 [project @ 1996-10-12 00:39:52 by jwe]
jwe
parents: 2200
diff changeset
2107 case MINUS_MINUS:
3525
6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe]
jwe
parents: 3523
diff changeset
2108 t = octave_value::op_decr;
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
2109 break;
777
a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe]
jwe
parents: 773
diff changeset
2110
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
2111 default:
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
2112 panic_impossible ();
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
2113 break;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
2114 }
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
2115
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
2116 int l = tok_val->line ();
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
2117 int c = tok_val->column ();
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
2118
3292
ad0d250ebd7e [project @ 1999-10-14 22:52:28 by jwe]
jwe
parents: 3258
diff changeset
2119 tree_postfix_expression *e
ad0d250ebd7e [project @ 1999-10-14 22:52:28 by jwe]
jwe
parents: 3258
diff changeset
2120 = new tree_postfix_expression (op1, l, c, t);
ad0d250ebd7e [project @ 1999-10-14 22:52:28 by jwe]
jwe
parents: 3258
diff changeset
2121
ad0d250ebd7e [project @ 1999-10-14 22:52:28 by jwe]
jwe
parents: 3258
diff changeset
2122 return fold (e);
1623
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2123 }
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2124
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2125 // Build an unwind-protect command.
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2126
16134
ec9c6222ef5a move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents: 16133
diff changeset
2127 tree_command *
16287
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2128 octave_base_parser::make_unwind_command (token *unwind_tok,
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2129 tree_statement_list *body,
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2130 tree_statement_list *cleanup_stmts,
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2131 token *end_tok,
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2132 octave_comment_list *lc,
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2133 octave_comment_list *mc)
1623
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2134 {
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2135 tree_command *retval = 0;
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2136
2857
5448c8cba402 [project @ 1997-03-31 07:06:10 by jwe]
jwe
parents: 2856
diff changeset
2137 if (end_token_ok (end_tok, token::unwind_protect_end))
1623
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2138 {
3665
0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe]
jwe
parents: 3544
diff changeset
2139 octave_comment_list *tc = octave_comment_buffer::get_comment ();
0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe]
jwe
parents: 3544
diff changeset
2140
1623
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2141 int l = unwind_tok->line ();
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2142 int c = unwind_tok->column ();
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2143
16136
ed36d5543b27 don't declare octave_parser member functions static
John W. Eaton <jwe@octave.org>
parents: 16134
diff changeset
2144 retval = new tree_unwind_protect_command (body, cleanup_stmts,
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
2145 lc, mc, tc, l, c);
1623
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2146 }
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2147
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2148 return retval;
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2149 }
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2150
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2151 // Build a try-catch command.
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2152
16134
ec9c6222ef5a move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents: 16133
diff changeset
2153 tree_command *
16287
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2154 octave_base_parser::make_try_command (token *try_tok,
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2155 tree_statement_list *body,
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2156 tree_statement_list *cleanup_stmts,
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2157 token *end_tok,
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2158 octave_comment_list *lc,
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2159 octave_comment_list *mc)
1623
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2160 {
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2161 tree_command *retval = 0;
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2162
2857
5448c8cba402 [project @ 1997-03-31 07:06:10 by jwe]
jwe
parents: 2856
diff changeset
2163 if (end_token_ok (end_tok, token::try_catch_end))
1623
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2164 {
3665
0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe]
jwe
parents: 3544
diff changeset
2165 octave_comment_list *tc = octave_comment_buffer::get_comment ();
0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe]
jwe
parents: 3544
diff changeset
2166
1623
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2167 int l = try_tok->line ();
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2168 int c = try_tok->column ();
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2169
16136
ed36d5543b27 don't declare octave_parser member functions static
John W. Eaton <jwe@octave.org>
parents: 16134
diff changeset
2170 retval = new tree_try_catch_command (body, cleanup_stmts,
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
2171 lc, mc, tc, l, c);
1623
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2172 }
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2173
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2174 return retval;
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2175 }
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2176
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2177 // Build a while command.
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2178
16134
ec9c6222ef5a move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents: 16133
diff changeset
2179 tree_command *
16287
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2180 octave_base_parser::make_while_command (token *while_tok,
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2181 tree_expression *expr,
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2182 tree_statement_list *body,
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2183 token *end_tok,
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2184 octave_comment_list *lc)
1623
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2185 {
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2186 tree_command *retval = 0;
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2187
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2188 maybe_warn_assign_as_truth_value (expr);
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2189
2857
5448c8cba402 [project @ 1997-03-31 07:06:10 by jwe]
jwe
parents: 2856
diff changeset
2190 if (end_token_ok (end_tok, token::while_end))
1623
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2191 {
3665
0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe]
jwe
parents: 3544
diff changeset
2192 octave_comment_list *tc = octave_comment_buffer::get_comment ();
0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe]
jwe
parents: 3544
diff changeset
2193
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
2194 lexer.looping--;
1623
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2195
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2196 int l = while_tok->line ();
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2197 int c = while_tok->column ();
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2198
3665
0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe]
jwe
parents: 3544
diff changeset
2199 retval = new tree_while_command (expr, body, lc, tc, l, c);
1623
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2200 }
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2201
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2202 return retval;
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2203 }
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2204
3484
8b1f46ac2b64 [project @ 2000-01-27 23:30:45 by jwe]
jwe
parents: 3446
diff changeset
2205 // Build a do-until command.
8b1f46ac2b64 [project @ 2000-01-27 23:30:45 by jwe]
jwe
parents: 3446
diff changeset
2206
16134
ec9c6222ef5a move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents: 16133
diff changeset
2207 tree_command *
16287
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2208 octave_base_parser::make_do_until_command (token *until_tok,
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2209 tree_statement_list *body,
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2210 tree_expression *expr,
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2211 octave_comment_list *lc)
3484
8b1f46ac2b64 [project @ 2000-01-27 23:30:45 by jwe]
jwe
parents: 3446
diff changeset
2212 {
8b1f46ac2b64 [project @ 2000-01-27 23:30:45 by jwe]
jwe
parents: 3446
diff changeset
2213 tree_command *retval = 0;
8b1f46ac2b64 [project @ 2000-01-27 23:30:45 by jwe]
jwe
parents: 3446
diff changeset
2214
8b1f46ac2b64 [project @ 2000-01-27 23:30:45 by jwe]
jwe
parents: 3446
diff changeset
2215 maybe_warn_assign_as_truth_value (expr);
8b1f46ac2b64 [project @ 2000-01-27 23:30:45 by jwe]
jwe
parents: 3446
diff changeset
2216
3665
0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe]
jwe
parents: 3544
diff changeset
2217 octave_comment_list *tc = octave_comment_buffer::get_comment ();
0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe]
jwe
parents: 3544
diff changeset
2218
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
2219 lexer.looping--;
3484
8b1f46ac2b64 [project @ 2000-01-27 23:30:45 by jwe]
jwe
parents: 3446
diff changeset
2220
8658
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents: 8471
diff changeset
2221 int l = until_tok->line ();
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents: 8471
diff changeset
2222 int c = until_tok->column ();
3484
8b1f46ac2b64 [project @ 2000-01-27 23:30:45 by jwe]
jwe
parents: 3446
diff changeset
2223
3665
0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe]
jwe
parents: 3544
diff changeset
2224 retval = new tree_do_until_command (expr, body, lc, tc, l, c);
3484
8b1f46ac2b64 [project @ 2000-01-27 23:30:45 by jwe]
jwe
parents: 3446
diff changeset
2225
8b1f46ac2b64 [project @ 2000-01-27 23:30:45 by jwe]
jwe
parents: 3446
diff changeset
2226 return retval;
8b1f46ac2b64 [project @ 2000-01-27 23:30:45 by jwe]
jwe
parents: 3446
diff changeset
2227 }
8b1f46ac2b64 [project @ 2000-01-27 23:30:45 by jwe]
jwe
parents: 3446
diff changeset
2228
1623
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2229 // Build a for command.
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2230
16134
ec9c6222ef5a move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents: 16133
diff changeset
2231 tree_command *
16287
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2232 octave_base_parser::make_for_command (int tok_id, token *for_tok,
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2233 tree_argument_list *lhs,
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2234 tree_expression *expr,
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2235 tree_expression *maxproc,
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2236 tree_statement_list *body,
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2237 token *end_tok,
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2238 octave_comment_list *lc)
1623
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2239 {
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2240 tree_command *retval = 0;
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2241
13245
027a2186cd90 parfor keyword and infrastructure, but handle parfor as normal for loop for now
John W. Eaton <jwe@octave.org>
parents: 13241
diff changeset
2242 bool parfor = tok_id == PARFOR;
027a2186cd90 parfor keyword and infrastructure, but handle parfor as normal for loop for now
John W. Eaton <jwe@octave.org>
parents: 13241
diff changeset
2243
027a2186cd90 parfor keyword and infrastructure, but handle parfor as normal for loop for now
John W. Eaton <jwe@octave.org>
parents: 13241
diff changeset
2244 if (end_token_ok (end_tok, parfor ? token::parfor_end : token::for_end))
1623
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2245 {
3665
0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe]
jwe
parents: 3544
diff changeset
2246 octave_comment_list *tc = octave_comment_buffer::get_comment ();
0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe]
jwe
parents: 3544
diff changeset
2247
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
2248 lexer.looping--;
1623
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2249
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2250 int l = for_tok->line ();
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2251 int c = for_tok->column ();
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2252
2970
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
2253 if (lhs->length () == 1)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
2254 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
2255 tree_expression *tmp = lhs->remove_front ();
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
2256
13245
027a2186cd90 parfor keyword and infrastructure, but handle parfor as normal for loop for now
John W. Eaton <jwe@octave.org>
parents: 13241
diff changeset
2257 retval = new tree_simple_for_command (parfor, tmp, expr, maxproc,
027a2186cd90 parfor keyword and infrastructure, but handle parfor as normal for loop for now
John W. Eaton <jwe@octave.org>
parents: 13241
diff changeset
2258 body, lc, tc, l, c);
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
2259
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
2260 delete lhs;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
2261 }
2970
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
2262 else
13245
027a2186cd90 parfor keyword and infrastructure, but handle parfor as normal for loop for now
John W. Eaton <jwe@octave.org>
parents: 13241
diff changeset
2263 {
027a2186cd90 parfor keyword and infrastructure, but handle parfor as normal for loop for now
John W. Eaton <jwe@octave.org>
parents: 13241
diff changeset
2264 if (parfor)
16142
26d65d677557 rename yyerror to bison_error and make it a member of octave_parser class
John W. Eaton <jwe@octave.org>
parents: 16139
diff changeset
2265 bison_error ("invalid syntax for parfor statement");
13245
027a2186cd90 parfor keyword and infrastructure, but handle parfor as normal for loop for now
John W. Eaton <jwe@octave.org>
parents: 13241
diff changeset
2266 else
027a2186cd90 parfor keyword and infrastructure, but handle parfor as normal for loop for now
John W. Eaton <jwe@octave.org>
parents: 13241
diff changeset
2267 retval = new tree_complex_for_command (lhs, expr, body,
027a2186cd90 parfor keyword and infrastructure, but handle parfor as normal for loop for now
John W. Eaton <jwe@octave.org>
parents: 13241
diff changeset
2268 lc, tc, l, c);
027a2186cd90 parfor keyword and infrastructure, but handle parfor as normal for loop for now
John W. Eaton <jwe@octave.org>
parents: 13241
diff changeset
2269 }
1623
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2270 }
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2271
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2272 return retval;
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2273 }
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2274
4207
fa3482b34599 [project @ 2002-12-03 18:22:05 by jwe]
jwe
parents: 4186
diff changeset
2275 // Build a break command.
fa3482b34599 [project @ 2002-12-03 18:22:05 by jwe]
jwe
parents: 4186
diff changeset
2276
16134
ec9c6222ef5a move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents: 16133
diff changeset
2277 tree_command *
16287
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2278 octave_base_parser::make_break_command (token *break_tok)
1623
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2279 {
4207
fa3482b34599 [project @ 2002-12-03 18:22:05 by jwe]
jwe
parents: 4186
diff changeset
2280 tree_command *retval = 0;
1623
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2281
2620
5c773d4745d6 [project @ 1997-01-23 16:26:25 by jwe]
jwe
parents: 2542
diff changeset
2282 int l = break_tok->line ();
5c773d4745d6 [project @ 1997-01-23 16:26:25 by jwe]
jwe
parents: 2542
diff changeset
2283 int c = break_tok->column ();
5c773d4745d6 [project @ 1997-01-23 16:26:25 by jwe]
jwe
parents: 2542
diff changeset
2284
10188
97ae300aa73a improve implementation of break, continue, and return commands
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
2285 retval = new tree_break_command (l, c);
1623
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2286
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2287 return retval;
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2288 }
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2289
4207
fa3482b34599 [project @ 2002-12-03 18:22:05 by jwe]
jwe
parents: 4186
diff changeset
2290 // Build a continue command.
fa3482b34599 [project @ 2002-12-03 18:22:05 by jwe]
jwe
parents: 4186
diff changeset
2291
16134
ec9c6222ef5a move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents: 16133
diff changeset
2292 tree_command *
16287
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2293 octave_base_parser::make_continue_command (token *continue_tok)
1623
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2294 {
4207
fa3482b34599 [project @ 2002-12-03 18:22:05 by jwe]
jwe
parents: 4186
diff changeset
2295 tree_command *retval = 0;
1623
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2296
2620
5c773d4745d6 [project @ 1997-01-23 16:26:25 by jwe]
jwe
parents: 2542
diff changeset
2297 int l = continue_tok->line ();
5c773d4745d6 [project @ 1997-01-23 16:26:25 by jwe]
jwe
parents: 2542
diff changeset
2298 int c = continue_tok->column ();
5c773d4745d6 [project @ 1997-01-23 16:26:25 by jwe]
jwe
parents: 2542
diff changeset
2299
10188
97ae300aa73a improve implementation of break, continue, and return commands
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
2300 retval = new tree_continue_command (l, c);
1623
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2301
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2302 return retval;
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2303 }
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2304
4207
fa3482b34599 [project @ 2002-12-03 18:22:05 by jwe]
jwe
parents: 4186
diff changeset
2305 // Build a return command.
fa3482b34599 [project @ 2002-12-03 18:22:05 by jwe]
jwe
parents: 4186
diff changeset
2306
16134
ec9c6222ef5a move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents: 16133
diff changeset
2307 tree_command *
16287
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2308 octave_base_parser::make_return_command (token *return_tok)
1623
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2309 {
4207
fa3482b34599 [project @ 2002-12-03 18:22:05 by jwe]
jwe
parents: 4186
diff changeset
2310 tree_command *retval = 0;
1623
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2311
2620
5c773d4745d6 [project @ 1997-01-23 16:26:25 by jwe]
jwe
parents: 2542
diff changeset
2312 int l = return_tok->line ();
5c773d4745d6 [project @ 1997-01-23 16:26:25 by jwe]
jwe
parents: 2542
diff changeset
2313 int c = return_tok->column ();
5c773d4745d6 [project @ 1997-01-23 16:26:25 by jwe]
jwe
parents: 2542
diff changeset
2314
10188
97ae300aa73a improve implementation of break, continue, and return commands
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
2315 retval = new tree_return_command (l, c);
1623
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2316
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2317 return retval;
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2318 }
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2319
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2320 // Start an if command.
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2321
16134
ec9c6222ef5a move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents: 16133
diff changeset
2322 tree_if_command_list *
16287
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2323 octave_base_parser::start_if_command (tree_expression *expr,
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2324 tree_statement_list *list)
1623
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2325 {
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2326 maybe_warn_assign_as_truth_value (expr);
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2327
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2328 tree_if_clause *t = new tree_if_clause (expr, list);
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2329
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2330 return new tree_if_command_list (t);
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2331 }
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2332
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2333 // Finish an if command.
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2334
16134
ec9c6222ef5a move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents: 16133
diff changeset
2335 tree_if_command *
16287
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2336 octave_base_parser::finish_if_command (token *if_tok,
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2337 tree_if_command_list *list,
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2338 token *end_tok,
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2339 octave_comment_list *lc)
1623
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2340 {
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2341 tree_if_command *retval = 0;
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2342
2857
5448c8cba402 [project @ 1997-03-31 07:06:10 by jwe]
jwe
parents: 2856
diff changeset
2343 if (end_token_ok (end_tok, token::if_end))
1623
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2344 {
3665
0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe]
jwe
parents: 3544
diff changeset
2345 octave_comment_list *tc = octave_comment_buffer::get_comment ();
0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe]
jwe
parents: 3544
diff changeset
2346
1623
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2347 int l = if_tok->line ();
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2348 int c = if_tok->column ();
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2349
8842
be7b30a24938 line/column info for switch and if statements
John W. Eaton <jwe@octave.org>
parents: 8828
diff changeset
2350 if (list && ! list->empty ())
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
2351 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
2352 tree_if_clause *elt = list->front ();
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
2353
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
2354 if (elt)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
2355 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
2356 elt->line (l);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
2357 elt->column (c);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
2358 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
2359 }
8842
be7b30a24938 line/column info for switch and if statements
John W. Eaton <jwe@octave.org>
parents: 8828
diff changeset
2360
3665
0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe]
jwe
parents: 3544
diff changeset
2361 retval = new tree_if_command (list, lc, tc, l, c);
1623
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2362 }
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2363
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2364 return retval;
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2365 }
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2366
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2367 // Build an elseif clause.
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2368
16134
ec9c6222ef5a move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents: 16133
diff changeset
2369 tree_if_clause *
16287
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2370 octave_base_parser::make_elseif_clause (token *elseif_tok,
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2371 tree_expression *expr,
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2372 tree_statement_list *list,
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2373 octave_comment_list *lc)
1623
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2374 {
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2375 maybe_warn_assign_as_truth_value (expr);
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2376
8658
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents: 8471
diff changeset
2377 int l = elseif_tok->line ();
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents: 8471
diff changeset
2378 int c = elseif_tok->column ();
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents: 8471
diff changeset
2379
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents: 8471
diff changeset
2380 return new tree_if_clause (expr, list, lc, l, c);
1623
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2381 }
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2382
2764
2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe]
jwe
parents: 2745
diff changeset
2383 // Finish a switch command.
2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe]
jwe
parents: 2745
diff changeset
2384
16134
ec9c6222ef5a move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents: 16133
diff changeset
2385 tree_switch_command *
16287
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2386 octave_base_parser::finish_switch_command (token *switch_tok,
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2387 tree_expression *expr,
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2388 tree_switch_case_list *list,
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2389 token *end_tok,
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2390 octave_comment_list *lc)
2764
2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe]
jwe
parents: 2745
diff changeset
2391 {
2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe]
jwe
parents: 2745
diff changeset
2392 tree_switch_command *retval = 0;
2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe]
jwe
parents: 2745
diff changeset
2393
2857
5448c8cba402 [project @ 1997-03-31 07:06:10 by jwe]
jwe
parents: 2856
diff changeset
2394 if (end_token_ok (end_tok, token::switch_end))
2764
2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe]
jwe
parents: 2745
diff changeset
2395 {
3665
0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe]
jwe
parents: 3544
diff changeset
2396 octave_comment_list *tc = octave_comment_buffer::get_comment ();
0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe]
jwe
parents: 3544
diff changeset
2397
2764
2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe]
jwe
parents: 2745
diff changeset
2398 int l = switch_tok->line ();
2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe]
jwe
parents: 2745
diff changeset
2399 int c = switch_tok->column ();
2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe]
jwe
parents: 2745
diff changeset
2400
8842
be7b30a24938 line/column info for switch and if statements
John W. Eaton <jwe@octave.org>
parents: 8828
diff changeset
2401 if (list && ! list->empty ())
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
2402 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
2403 tree_switch_case *elt = list->front ();
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
2404
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
2405 if (elt)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
2406 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
2407 elt->line (l);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
2408 elt->column (c);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
2409 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
2410 }
8842
be7b30a24938 line/column info for switch and if statements
John W. Eaton <jwe@octave.org>
parents: 8828
diff changeset
2411
3665
0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe]
jwe
parents: 3544
diff changeset
2412 retval = new tree_switch_command (expr, list, lc, tc, l, c);
2764
2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe]
jwe
parents: 2745
diff changeset
2413 }
2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe]
jwe
parents: 2745
diff changeset
2414
2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe]
jwe
parents: 2745
diff changeset
2415 return retval;
2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe]
jwe
parents: 2745
diff changeset
2416 }
2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe]
jwe
parents: 2745
diff changeset
2417
2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe]
jwe
parents: 2745
diff changeset
2418 // Build a switch case.
2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe]
jwe
parents: 2745
diff changeset
2419
16134
ec9c6222ef5a move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents: 16133
diff changeset
2420 tree_switch_case *
16287
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2421 octave_base_parser::make_switch_case (token *case_tok,
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2422 tree_expression *expr,
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2423 tree_statement_list *list,
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2424 octave_comment_list *lc)
2764
2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe]
jwe
parents: 2745
diff changeset
2425 {
2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe]
jwe
parents: 2745
diff changeset
2426 maybe_warn_variable_switch_label (expr);
2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe]
jwe
parents: 2745
diff changeset
2427
8658
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents: 8471
diff changeset
2428 int l = case_tok->line ();
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents: 8471
diff changeset
2429 int c = case_tok->column ();
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents: 8471
diff changeset
2430
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents: 8471
diff changeset
2431 return new tree_switch_case (expr, list, lc, l, c);
2764
2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe]
jwe
parents: 2745
diff changeset
2432 }
2c0f259cf83d [project @ 1997-03-01 02:30:26 by jwe]
jwe
parents: 2745
diff changeset
2433
1623
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2434 // Build an assignment to a variable.
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2435
16134
ec9c6222ef5a move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents: 16133
diff changeset
2436 tree_expression *
16287
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2437 octave_base_parser::make_assign_op (int op, tree_argument_list *lhs,
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2438 token *eq_tok, tree_expression *rhs)
1623
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2439 {
2970
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
2440 tree_expression *retval = 0;
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
2441
2883
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe]
jwe
parents: 2865
diff changeset
2442 octave_value::assign_op t = octave_value::unknown_assign_op;
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe]
jwe
parents: 2865
diff changeset
2443
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe]
jwe
parents: 2865
diff changeset
2444 switch (op)
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe]
jwe
parents: 2865
diff changeset
2445 {
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe]
jwe
parents: 2865
diff changeset
2446 case '=':
3525
6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe]
jwe
parents: 3523
diff changeset
2447 t = octave_value::op_asn_eq;
2883
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe]
jwe
parents: 2865
diff changeset
2448 break;
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe]
jwe
parents: 2865
diff changeset
2449
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe]
jwe
parents: 2865
diff changeset
2450 case ADD_EQ:
3525
6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe]
jwe
parents: 3523
diff changeset
2451 t = octave_value::op_add_eq;
2883
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe]
jwe
parents: 2865
diff changeset
2452 break;
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe]
jwe
parents: 2865
diff changeset
2453
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe]
jwe
parents: 2865
diff changeset
2454 case SUB_EQ:
3525
6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe]
jwe
parents: 3523
diff changeset
2455 t = octave_value::op_sub_eq;
2883
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe]
jwe
parents: 2865
diff changeset
2456 break;
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe]
jwe
parents: 2865
diff changeset
2457
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe]
jwe
parents: 2865
diff changeset
2458 case MUL_EQ:
3525
6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe]
jwe
parents: 3523
diff changeset
2459 t = octave_value::op_mul_eq;
2883
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe]
jwe
parents: 2865
diff changeset
2460 break;
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe]
jwe
parents: 2865
diff changeset
2461
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe]
jwe
parents: 2865
diff changeset
2462 case DIV_EQ:
3525
6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe]
jwe
parents: 3523
diff changeset
2463 t = octave_value::op_div_eq;
2883
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe]
jwe
parents: 2865
diff changeset
2464 break;
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe]
jwe
parents: 2865
diff changeset
2465
3204
81738e630f57 [project @ 1998-10-30 23:28:29 by jwe]
jwe
parents: 3203
diff changeset
2466 case LEFTDIV_EQ:
3525
6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe]
jwe
parents: 3523
diff changeset
2467 t = octave_value::op_ldiv_eq;
3204
81738e630f57 [project @ 1998-10-30 23:28:29 by jwe]
jwe
parents: 3203
diff changeset
2468 break;
81738e630f57 [project @ 1998-10-30 23:28:29 by jwe]
jwe
parents: 3203
diff changeset
2469
4018
a8621d87fbf5 [project @ 2002-08-05 03:17:25 by jwe]
jwe
parents: 4009
diff changeset
2470 case POW_EQ:
a8621d87fbf5 [project @ 2002-08-05 03:17:25 by jwe]
jwe
parents: 4009
diff changeset
2471 t = octave_value::op_pow_eq;
a8621d87fbf5 [project @ 2002-08-05 03:17:25 by jwe]
jwe
parents: 4009
diff changeset
2472 break;
a8621d87fbf5 [project @ 2002-08-05 03:17:25 by jwe]
jwe
parents: 4009
diff changeset
2473
2899
0d79a8c11a2b [project @ 1997-04-30 03:09:23 by jwe]
jwe
parents: 2891
diff changeset
2474 case LSHIFT_EQ:
3525
6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe]
jwe
parents: 3523
diff changeset
2475 t = octave_value::op_lshift_eq;
2899
0d79a8c11a2b [project @ 1997-04-30 03:09:23 by jwe]
jwe
parents: 2891
diff changeset
2476 break;
0d79a8c11a2b [project @ 1997-04-30 03:09:23 by jwe]
jwe
parents: 2891
diff changeset
2477
0d79a8c11a2b [project @ 1997-04-30 03:09:23 by jwe]
jwe
parents: 2891
diff changeset
2478 case RSHIFT_EQ:
3525
6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe]
jwe
parents: 3523
diff changeset
2479 t = octave_value::op_rshift_eq;
2899
0d79a8c11a2b [project @ 1997-04-30 03:09:23 by jwe]
jwe
parents: 2891
diff changeset
2480 break;
0d79a8c11a2b [project @ 1997-04-30 03:09:23 by jwe]
jwe
parents: 2891
diff changeset
2481
2883
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe]
jwe
parents: 2865
diff changeset
2482 case EMUL_EQ:
3525
6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe]
jwe
parents: 3523
diff changeset
2483 t = octave_value::op_el_mul_eq;
2883
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe]
jwe
parents: 2865
diff changeset
2484 break;
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe]
jwe
parents: 2865
diff changeset
2485
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe]
jwe
parents: 2865
diff changeset
2486 case EDIV_EQ:
3525
6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe]
jwe
parents: 3523
diff changeset
2487 t = octave_value::op_el_div_eq;
2883
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe]
jwe
parents: 2865
diff changeset
2488 break;
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe]
jwe
parents: 2865
diff changeset
2489
3204
81738e630f57 [project @ 1998-10-30 23:28:29 by jwe]
jwe
parents: 3203
diff changeset
2490 case ELEFTDIV_EQ:
3525
6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe]
jwe
parents: 3523
diff changeset
2491 t = octave_value::op_el_ldiv_eq;
3204
81738e630f57 [project @ 1998-10-30 23:28:29 by jwe]
jwe
parents: 3203
diff changeset
2492 break;
81738e630f57 [project @ 1998-10-30 23:28:29 by jwe]
jwe
parents: 3203
diff changeset
2493
4018
a8621d87fbf5 [project @ 2002-08-05 03:17:25 by jwe]
jwe
parents: 4009
diff changeset
2494 case EPOW_EQ:
a8621d87fbf5 [project @ 2002-08-05 03:17:25 by jwe]
jwe
parents: 4009
diff changeset
2495 t = octave_value::op_el_pow_eq;
a8621d87fbf5 [project @ 2002-08-05 03:17:25 by jwe]
jwe
parents: 4009
diff changeset
2496 break;
a8621d87fbf5 [project @ 2002-08-05 03:17:25 by jwe]
jwe
parents: 4009
diff changeset
2497
2883
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe]
jwe
parents: 2865
diff changeset
2498 case AND_EQ:
3525
6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe]
jwe
parents: 3523
diff changeset
2499 t = octave_value::op_el_and_eq;
2883
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe]
jwe
parents: 2865
diff changeset
2500 break;
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe]
jwe
parents: 2865
diff changeset
2501
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe]
jwe
parents: 2865
diff changeset
2502 case OR_EQ:
3525
6cfa474c5b99 [project @ 2000-02-02 10:48:41 by jwe]
jwe
parents: 3523
diff changeset
2503 t = octave_value::op_el_or_eq;
2883
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe]
jwe
parents: 2865
diff changeset
2504 break;
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe]
jwe
parents: 2865
diff changeset
2505
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe]
jwe
parents: 2865
diff changeset
2506 default:
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe]
jwe
parents: 2865
diff changeset
2507 panic_impossible ();
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe]
jwe
parents: 2865
diff changeset
2508 break;
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe]
jwe
parents: 2865
diff changeset
2509 }
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe]
jwe
parents: 2865
diff changeset
2510
1623
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2511 int l = eq_tok->line ();
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2512 int c = eq_tok->column ();
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2513
5841
fb4dea2184bf [project @ 2006-06-05 20:59:25 by jwe]
jwe
parents: 5832
diff changeset
2514 if (lhs->is_simple_assign_lhs ())
666
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe]
jwe
parents: 627
diff changeset
2515 {
2970
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
2516 tree_expression *tmp = lhs->remove_front ();
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
2517
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
2518 retval = new tree_simple_assignment (tmp, rhs, false, l, c, t);
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
2519
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
2520 delete lhs;
666
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe]
jwe
parents: 627
diff changeset
2521 }
10230
0a5a769b8fc0 disallow computed multiple assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 10207
diff changeset
2522 else if (t == octave_value::op_asn_eq)
0a5a769b8fc0 disallow computed multiple assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 10207
diff changeset
2523 return new tree_multi_assignment (lhs, rhs, false, l, c);
666
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe]
jwe
parents: 627
diff changeset
2524 else
16142
26d65d677557 rename yyerror to bison_error and make it a member of octave_parser class
John W. Eaton <jwe@octave.org>
parents: 16139
diff changeset
2525 bison_error ("computed multiple assignment not allowed");
666
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe]
jwe
parents: 627
diff changeset
2526
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe]
jwe
parents: 627
diff changeset
2527 return retval;
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe]
jwe
parents: 627
diff changeset
2528 }
751
c9f3cb77478d [project @ 1994-09-30 18:46:17 by jwe]
jwe
parents: 723
diff changeset
2529
9474
25ed2d6aacf6 Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents: 9471
diff changeset
2530 // Define a script.
7715
5b4d278ec828 parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents: 7699
diff changeset
2531
16134
ec9c6222ef5a move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents: 16133
diff changeset
2532 void
16287
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2533 octave_base_parser::make_script (tree_statement_list *cmds,
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2534 tree_statement *end_script)
7715
5b4d278ec828 parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents: 7699
diff changeset
2535 {
8658
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents: 8471
diff changeset
2536 if (! cmds)
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents: 8471
diff changeset
2537 cmds = new tree_statement_list ();
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents: 8471
diff changeset
2538
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents: 8471
diff changeset
2539 cmds->append (end_script);
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents: 8471
diff changeset
2540
7715
5b4d278ec828 parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents: 7699
diff changeset
2541 octave_user_script *script
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
2542 = new octave_user_script (lexer.fcn_file_full_name,
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
2543 lexer.fcn_file_name,
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
2544 cmds, lexer.help_text);
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
2545
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
2546 lexer.help_text = "";
7715
5b4d278ec828 parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents: 7699
diff changeset
2547
5b4d278ec828 parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents: 7699
diff changeset
2548 octave_time now;
5b4d278ec828 parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents: 7699
diff changeset
2549
5b4d278ec828 parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents: 7699
diff changeset
2550 script->stash_fcn_file_time (now);
5b4d278ec828 parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents: 7699
diff changeset
2551
9474
25ed2d6aacf6 Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents: 9471
diff changeset
2552 primary_fcn_ptr = script;
7715
5b4d278ec828 parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents: 7699
diff changeset
2553 }
5b4d278ec828 parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents: 7699
diff changeset
2554
1623
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2555 // Begin defining a function.
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2556
16134
ec9c6222ef5a move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents: 16133
diff changeset
2557 octave_user_function *
16287
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2558 octave_base_parser::start_function (tree_parameter_list *param_list,
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2559 tree_statement_list *body,
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2560 tree_statement *end_fcn_stmt)
1623
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2561 {
2891
1a30f46e1870 [project @ 1997-04-28 01:49:00 by jwe]
jwe
parents: 2884
diff changeset
2562 // We'll fill in the return list later.
1a30f46e1870 [project @ 1997-04-28 01:49:00 by jwe]
jwe
parents: 2884
diff changeset
2563
8658
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents: 8471
diff changeset
2564 if (! body)
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents: 8471
diff changeset
2565 body = new tree_statement_list ();
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents: 8471
diff changeset
2566
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents: 8471
diff changeset
2567 body->append (end_fcn_stmt);
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents: 8471
diff changeset
2568
2891
1a30f46e1870 [project @ 1997-04-28 01:49:00 by jwe]
jwe
parents: 2884
diff changeset
2569 octave_user_function *fcn
7336
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe]
jwe
parents: 7017
diff changeset
2570 = new octave_user_function (symbol_table::current_scope (),
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
2571 param_list, 0, body);
1623
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2572
3665
0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe]
jwe
parents: 3544
diff changeset
2573 if (fcn)
0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe]
jwe
parents: 3544
diff changeset
2574 {
0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe]
jwe
parents: 3544
diff changeset
2575 octave_comment_list *tc = octave_comment_buffer::get_comment ();
0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe]
jwe
parents: 3544
diff changeset
2576
0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe]
jwe
parents: 3544
diff changeset
2577 fcn->stash_trailing_comment (tc);
0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe]
jwe
parents: 3544
diff changeset
2578 }
0689afb1d001 [project @ 2000-05-11 19:07:56 by jwe]
jwe
parents: 3544
diff changeset
2579
1623
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2580 return fcn;
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2581 }
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2582
16134
ec9c6222ef5a move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents: 16133
diff changeset
2583 tree_statement *
16287
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2584 octave_base_parser::make_end (const std::string& type, int l, int c)
8658
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents: 8471
diff changeset
2585 {
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents: 8471
diff changeset
2586 return make_statement (new tree_no_op_command (type, l, c));
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents: 8471
diff changeset
2587 }
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents: 8471
diff changeset
2588
1623
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2589 // Do most of the work for defining a function.
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2590
16134
ec9c6222ef5a move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents: 16133
diff changeset
2591 octave_user_function *
16287
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2592 octave_base_parser::frob_function (const std::string& fname,
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2593 octave_user_function *fcn)
1623
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2594 {
4872
fe71c458f438 [project @ 2004-04-21 20:09:32 by jwe]
jwe
parents: 4844
diff changeset
2595 std::string id_name = fname;
1623
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2596
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2597 // If input is coming from a file, issue a warning if the name of
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2598 // the file does not match the name of the function stated in the
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2599 // file. Matlab doesn't provide a diagnostic (it ignores the stated
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2600 // name).
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
2601 if (! autoloading && lexer.reading_fcn_file
16153
a57c2c8c8163 move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents: 16151
diff changeset
2602 && curr_fcn_depth == 1 && ! parsing_subfunctions)
9474
25ed2d6aacf6 Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents: 9471
diff changeset
2603 {
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
2604 // FIXME -- should lexer.fcn_file_name already be
9474
25ed2d6aacf6 Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents: 9471
diff changeset
2605 // preprocessed when we get here? It seems to only be a
25ed2d6aacf6 Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents: 9471
diff changeset
2606 // problem with relative file names.
25ed2d6aacf6 Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents: 9471
diff changeset
2607
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
2608 std::string nm = lexer.fcn_file_name;
9474
25ed2d6aacf6 Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents: 9471
diff changeset
2609
25ed2d6aacf6 Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents: 9471
diff changeset
2610 size_t pos = nm.find_last_of (file_ops::dir_sep_chars ());
25ed2d6aacf6 Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents: 9471
diff changeset
2611
25ed2d6aacf6 Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents: 9471
diff changeset
2612 if (pos != std::string::npos)
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
2613 nm = lexer.fcn_file_name.substr (pos+1);
9474
25ed2d6aacf6 Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents: 9471
diff changeset
2614
25ed2d6aacf6 Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents: 9471
diff changeset
2615 if (nm != id_name)
25ed2d6aacf6 Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents: 9471
diff changeset
2616 {
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
2617 warning_with_id
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
2618 ("Octave:function-name-clash",
15466
d174210ce1ec use ' instead of ` in error messages, warnings and most comments
John W. Eaton <jwe@octave.org>
parents: 14189
diff changeset
2619 "function name '%s' does not agree with function file name '%s'",
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
2620 id_name.c_str (), lexer.fcn_file_full_name.c_str ());
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
2621
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
2622 id_name = nm;
9474
25ed2d6aacf6 Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents: 9471
diff changeset
2623 }
25ed2d6aacf6 Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents: 9471
diff changeset
2624 }
1623
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2625
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
2626 if (lexer.reading_fcn_file || lexer.reading_classdef_file || autoloading)
1623
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2627 {
3712
7066a8065e7e [project @ 2000-08-22 06:21:20 by jwe]
jwe
parents: 3665
diff changeset
2628 octave_time now;
3162
7c96e85c76db [project @ 1998-04-08 18:19:35 by jwe]
jwe
parents: 3156
diff changeset
2629
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
2630 fcn->stash_fcn_file_name (lexer.fcn_file_full_name);
3162
7c96e85c76db [project @ 1998-04-08 18:19:35 by jwe]
jwe
parents: 3156
diff changeset
2631 fcn->stash_fcn_file_time (now);
1623
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2632 fcn->mark_as_system_fcn_file ();
3162
7c96e85c76db [project @ 1998-04-08 18:19:35 by jwe]
jwe
parents: 3156
diff changeset
2633
6323
ea65de49e18e [project @ 2007-02-17 02:51:02 by jwe]
jwe
parents: 6238
diff changeset
2634 if (fcn_file_from_relative_lookup)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
2635 fcn->mark_relative ();
6323
ea65de49e18e [project @ 2007-02-17 02:51:02 by jwe]
jwe
parents: 6238
diff changeset
2636
16153
a57c2c8c8163 move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents: 16151
diff changeset
2637 if (curr_fcn_depth > 1 || parsing_subfunctions)
7968
0d607e8dbbfa eliminate curr_parent_function; fix subfunction lookup
John W. Eaton <jwe@octave.org>
parents: 7903
diff changeset
2638 {
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
2639 fcn->stash_parent_fcn_name (lexer.fcn_file_name);
14544
be18c9e359bf Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents: 14533
diff changeset
2640
16153
a57c2c8c8163 move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents: 16151
diff changeset
2641 if (curr_fcn_depth > 1)
14846
460a3c6d8bf1 maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents: 14584
diff changeset
2642 fcn->stash_parent_fcn_scope (function_scopes[function_scopes.size ()-2]);
14544
be18c9e359bf Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents: 14533
diff changeset
2643 else
be18c9e359bf Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents: 14533
diff changeset
2644 fcn->stash_parent_fcn_scope (primary_fcn_scope);
9474
25ed2d6aacf6 Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents: 9471
diff changeset
2645 }
6323
ea65de49e18e [project @ 2007-02-17 02:51:02 by jwe]
jwe
parents: 6238
diff changeset
2646
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
2647 if (lexer.parsing_class_method)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
2648 {
16153
a57c2c8c8163 move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents: 16151
diff changeset
2649 if (curr_class_name == id_name)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
2650 fcn->mark_as_class_constructor ();
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
2651 else
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
2652 fcn->mark_as_class_method ();
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
2653
16153
a57c2c8c8163 move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents: 16151
diff changeset
2654 fcn->stash_dispatch_class (curr_class_name);
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
2655 }
7336
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe]
jwe
parents: 7017
diff changeset
2656
5781
faafc2d98b8d [project @ 2006-05-02 19:40:19 by jwe]
jwe
parents: 5775
diff changeset
2657 std::string nm = fcn->fcn_file_name ();
faafc2d98b8d [project @ 2006-05-02 19:40:19 by jwe]
jwe
parents: 5775
diff changeset
2658
faafc2d98b8d [project @ 2006-05-02 19:40:19 by jwe]
jwe
parents: 5775
diff changeset
2659 file_stat fs (nm);
faafc2d98b8d [project @ 2006-05-02 19:40:19 by jwe]
jwe
parents: 5775
diff changeset
2660
faafc2d98b8d [project @ 2006-05-02 19:40:19 by jwe]
jwe
parents: 5775
diff changeset
2661 if (fs && fs.is_newer (now))
faafc2d98b8d [project @ 2006-05-02 19:40:19 by jwe]
jwe
parents: 5775
diff changeset
2662 warning_with_id ("Octave:future-time-stamp",
15466
d174210ce1ec use ' instead of ` in error messages, warnings and most comments
John W. Eaton <jwe@octave.org>
parents: 14189
diff changeset
2663 "time stamp for '%s' is in the future", nm.c_str ());
1623
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2664 }
16203
127cccb037bf move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents: 16199
diff changeset
2665 else if (! input_from_tmp_history_file
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
2666 && ! lexer.force_script
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
2667 && lexer.reading_script_file
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
2668 && lexer.fcn_file_name == id_name)
1623
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2669 {
15466
d174210ce1ec use ' instead of ` in error messages, warnings and most comments
John W. Eaton <jwe@octave.org>
parents: 14189
diff changeset
2670 warning ("function '%s' defined within script file '%s'",
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
2671 id_name.c_str (), lexer.fcn_file_full_name.c_str ());
1623
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2672 }
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2673
4872
fe71c458f438 [project @ 2004-04-21 20:09:32 by jwe]
jwe
parents: 4844
diff changeset
2674 fcn->stash_function_name (id_name);
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
2675 fcn->stash_fcn_location (lexer.input_line_number,
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
2676 lexer.current_input_column);
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
2677
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
2678 if (! lexer.help_text.empty () && curr_fcn_depth == 1
9474
25ed2d6aacf6 Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents: 9471
diff changeset
2679 && ! parsing_subfunctions)
7336
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe]
jwe
parents: 7017
diff changeset
2680 {
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
2681 fcn->document (lexer.help_text);
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
2682
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
2683 lexer.help_text = "";
7336
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe]
jwe
parents: 7017
diff changeset
2684 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe]
jwe
parents: 7017
diff changeset
2685
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
2686 if (lexer.reading_fcn_file && curr_fcn_depth == 1
9474
25ed2d6aacf6 Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents: 9471
diff changeset
2687 && ! parsing_subfunctions)
25ed2d6aacf6 Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents: 9471
diff changeset
2688 primary_fcn_ptr = fcn;
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
2689
1623
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2690 return fcn;
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2691 }
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2692
16134
ec9c6222ef5a move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents: 16133
diff changeset
2693 tree_function_def *
16287
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2694 octave_base_parser::finish_function (tree_parameter_list *ret_list,
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2695 octave_user_function *fcn,
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2696 octave_comment_list *lc)
1623
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2697 {
7715
5b4d278ec828 parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents: 7699
diff changeset
2698 tree_function_def *retval = 0;
5b4d278ec828 parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents: 7699
diff changeset
2699
5b4d278ec828 parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents: 7699
diff changeset
2700 if (ret_list)
5b4d278ec828 parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents: 7699
diff changeset
2701 ret_list->mark_as_formal_parameters ();
5b4d278ec828 parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents: 7699
diff changeset
2702
5b4d278ec828 parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents: 7699
diff changeset
2703 if (fcn)
5b4d278ec828 parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents: 7699
diff changeset
2704 {
7761
5adeea5de26c symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents: 7755
diff changeset
2705 std::string nm = fcn->name ();
5adeea5de26c symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents: 7755
diff changeset
2706 std::string file = fcn->fcn_file_name ();
5adeea5de26c symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents: 7755
diff changeset
2707
5adeea5de26c symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents: 7755
diff changeset
2708 std::string tmp = nm;
5adeea5de26c symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents: 7755
diff changeset
2709 if (! file.empty ())
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
2710 tmp += ": " + file;
7761
5adeea5de26c symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents: 7755
diff changeset
2711
5adeea5de26c symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents: 7755
diff changeset
2712 symbol_table::cache_name (fcn->scope (), tmp);
5adeea5de26c symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents: 7755
diff changeset
2713
7715
5b4d278ec828 parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents: 7699
diff changeset
2714 if (lc)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
2715 fcn->stash_leading_comment (lc);
7715
5b4d278ec828 parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents: 7699
diff changeset
2716
5b4d278ec828 parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents: 7699
diff changeset
2717 fcn->define_ret_list (ret_list);
7755
ea9cb4d68dbf avoid installing subfunctions twice
John W. Eaton <jwe@octave.org>
parents: 7750
diff changeset
2718
16153
a57c2c8c8163 move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents: 16151
diff changeset
2719 if (curr_fcn_depth > 1 || parsing_subfunctions)
9474
25ed2d6aacf6 Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents: 9471
diff changeset
2720 {
11461
2b8531a6a3c9 Change mentions of "nested function" to the less misleading "subfunction"
David Grundberg <individ@acc.umu.se>
parents: 11388
diff changeset
2721 fcn->mark_as_subfunction ();
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
2722
14544
be18c9e359bf Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents: 14533
diff changeset
2723 if (endfunction_found && function_scopes.size () > 1)
be18c9e359bf Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents: 14533
diff changeset
2724 {
be18c9e359bf Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents: 14533
diff changeset
2725 symbol_table::scope_id pscope
14846
460a3c6d8bf1 maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents: 14584
diff changeset
2726 = function_scopes[function_scopes.size ()-2];
14544
be18c9e359bf Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents: 14533
diff changeset
2727
be18c9e359bf Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents: 14533
diff changeset
2728 symbol_table::install_nestfunction (nm, octave_value (fcn),
be18c9e359bf Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents: 14533
diff changeset
2729 pscope);
be18c9e359bf Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents: 14533
diff changeset
2730 }
be18c9e359bf Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents: 14533
diff changeset
2731 else
be18c9e359bf Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents: 14533
diff changeset
2732 symbol_table::install_subfunction (nm, octave_value (fcn),
be18c9e359bf Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents: 14533
diff changeset
2733 primary_fcn_scope);
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
2734 }
9474
25ed2d6aacf6 Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents: 9471
diff changeset
2735
16153
a57c2c8c8163 move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents: 16151
diff changeset
2736 if (curr_fcn_depth == 1 && fcn)
14544
be18c9e359bf Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents: 14533
diff changeset
2737 symbol_table::update_nest (fcn->scope ());
be18c9e359bf Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents: 14533
diff changeset
2738
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
2739 if (! lexer.reading_fcn_file && curr_fcn_depth == 1)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
2740 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
2741 // We are either reading a script file or defining a function
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
2742 // at the command line, so this definition creates a
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
2743 // tree_function object that is placed in the parse tree.
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
2744 // Otherwise, it is just inserted in the symbol table,
14512
e0d66b8b0c63 Avoid double delete for nested functions in commandline
Max Brister <max@2bass.com>
parents: 14507
diff changeset
2745 // either as a subfunction or nested function (see above),
e0d66b8b0c63 Avoid double delete for nested functions in commandline
Max Brister <max@2bass.com>
parents: 14507
diff changeset
2746 // or as the primary function for the file, via
e0d66b8b0c63 Avoid double delete for nested functions in commandline
Max Brister <max@2bass.com>
parents: 14507
diff changeset
2747 // primary_fcn_ptr (see also load_fcn_from_file,,
e0d66b8b0c63 Avoid double delete for nested functions in commandline
Max Brister <max@2bass.com>
parents: 14507
diff changeset
2748 // parse_fcn_file, and
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
2749 // symbol_table::fcn_info::fcn_info_rep::find_user_function).
9761
5f8971be8e12 parse.y (finish_function): retrun function object unless parsing function file
John W. Eaton <jwe@octave.org>
parents: 9506
diff changeset
2750
5f8971be8e12 parse.y (finish_function): retrun function object unless parsing function file
John W. Eaton <jwe@octave.org>
parents: 9506
diff changeset
2751 retval = new tree_function_def (fcn);
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
2752 }
7715
5b4d278ec828 parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents: 7699
diff changeset
2753 }
5b4d278ec828 parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents: 7699
diff changeset
2754
5b4d278ec828 parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents: 7699
diff changeset
2755 return retval;
1623
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2756 }
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2757
16134
ec9c6222ef5a move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents: 16133
diff changeset
2758 void
16287
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2759 octave_base_parser::recover_from_parsing_function (void)
2883
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe]
jwe
parents: 2865
diff changeset
2760 {
14329
8d1ae996c122 also save and restore symbol table context in parser (bug #35448)
John W. Eaton <jwe@octave.org>
parents: 14294
diff changeset
2761 if (parser_symtab_context.empty ())
3903
1dbe160ea0d1 [project @ 2002-04-23 03:40:25 by jwe]
jwe
parents: 3883
diff changeset
2762 panic_impossible ();
1dbe160ea0d1 [project @ 2002-04-23 03:40:25 by jwe]
jwe
parents: 3883
diff changeset
2763
14329
8d1ae996c122 also save and restore symbol table context in parser (bug #35448)
John W. Eaton <jwe@octave.org>
parents: 14294
diff changeset
2764 parser_symtab_context.pop ();
2883
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe]
jwe
parents: 2865
diff changeset
2765
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
2766 if (lexer.reading_fcn_file && curr_fcn_depth == 1
9474
25ed2d6aacf6 Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents: 9471
diff changeset
2767 && ! parsing_subfunctions)
25ed2d6aacf6 Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents: 9471
diff changeset
2768 parsing_subfunctions = true;
25ed2d6aacf6 Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents: 9471
diff changeset
2769
16153
a57c2c8c8163 move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents: 16151
diff changeset
2770 curr_fcn_depth--;
14544
be18c9e359bf Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents: 14533
diff changeset
2771 function_scopes.pop_back ();
9474
25ed2d6aacf6 Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents: 9471
diff changeset
2772
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
2773 lexer.defining_func--;
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
2774 lexer.parsed_function_name.pop ();
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
2775 lexer.looking_at_return_list = false;
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
2776 lexer.looking_at_parameter_list = false;
2883
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe]
jwe
parents: 2865
diff changeset
2777 }
0b3954110c77 [project @ 1997-04-24 09:57:05 by jwe]
jwe
parents: 2865
diff changeset
2778
2846
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe]
jwe
parents: 2825
diff changeset
2779 // Make an index expression.
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe]
jwe
parents: 2825
diff changeset
2780
16134
ec9c6222ef5a move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents: 16133
diff changeset
2781 tree_index_expression *
16287
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2782 octave_base_parser::make_index_expression (tree_expression *expr,
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2783 tree_argument_list *args,
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2784 char type)
751
c9f3cb77478d [project @ 1994-09-30 18:46:17 by jwe]
jwe
parents: 723
diff changeset
2785 {
c9f3cb77478d [project @ 1994-09-30 18:46:17 by jwe]
jwe
parents: 723
diff changeset
2786 tree_index_expression *retval = 0;
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
2787
10206
37a08e0ce2dc support Matlab-style empty output/input arguments
Jaroslav Hajek <highegg@gmail.com>
parents: 10188
diff changeset
2788 if (args && args->has_magic_tilde ())
37a08e0ce2dc support Matlab-style empty output/input arguments
Jaroslav Hajek <highegg@gmail.com>
parents: 10188
diff changeset
2789 {
16142
26d65d677557 rename yyerror to bison_error and make it a member of octave_parser class
John W. Eaton <jwe@octave.org>
parents: 16139
diff changeset
2790 bison_error ("invalid use of empty argument (~) in index expression");
10206
37a08e0ce2dc support Matlab-style empty output/input arguments
Jaroslav Hajek <highegg@gmail.com>
parents: 10188
diff changeset
2791 return retval;
37a08e0ce2dc support Matlab-style empty output/input arguments
Jaroslav Hajek <highegg@gmail.com>
parents: 10188
diff changeset
2792 }
751
c9f3cb77478d [project @ 1994-09-30 18:46:17 by jwe]
jwe
parents: 723
diff changeset
2793
2970
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
2794 int l = expr->line ();
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
2795 int c = expr->column ();
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
2796
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
2797 expr->mark_postfix_indexed ();
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
2798
3933
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe]
jwe
parents: 3930
diff changeset
2799 if (expr->is_index_expression ())
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe]
jwe
parents: 3930
diff changeset
2800 {
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe]
jwe
parents: 3930
diff changeset
2801 tree_index_expression *tmp = static_cast<tree_index_expression *> (expr);
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe]
jwe
parents: 3930
diff changeset
2802
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe]
jwe
parents: 3930
diff changeset
2803 tmp->append (args, type);
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe]
jwe
parents: 3930
diff changeset
2804
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe]
jwe
parents: 3930
diff changeset
2805 retval = tmp;
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe]
jwe
parents: 3930
diff changeset
2806 }
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe]
jwe
parents: 3930
diff changeset
2807 else
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe]
jwe
parents: 3930
diff changeset
2808 retval = new tree_index_expression (expr, args, l, c, type);
2970
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
2809
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
2810 return retval;
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
2811 }
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
2812
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
2813 // Make an indirect reference expression.
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
2814
16134
ec9c6222ef5a move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents: 16133
diff changeset
2815 tree_index_expression *
16287
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2816 octave_base_parser::make_indirect_ref (tree_expression *expr,
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2817 const std::string& elt)
2970
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
2818 {
3930
61d4427c016e [project @ 2002-05-07 00:47:31 by jwe]
jwe
parents: 3929
diff changeset
2819 tree_index_expression *retval = 0;
2970
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
2820
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
2821 int l = expr->line ();
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
2822 int c = expr->column ();
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
2823
3933
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe]
jwe
parents: 3930
diff changeset
2824 if (expr->is_index_expression ())
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe]
jwe
parents: 3930
diff changeset
2825 {
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe]
jwe
parents: 3930
diff changeset
2826 tree_index_expression *tmp = static_cast<tree_index_expression *> (expr);
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe]
jwe
parents: 3930
diff changeset
2827
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe]
jwe
parents: 3930
diff changeset
2828 tmp->append (elt);
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe]
jwe
parents: 3930
diff changeset
2829
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe]
jwe
parents: 3930
diff changeset
2830 retval = tmp;
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe]
jwe
parents: 3930
diff changeset
2831 }
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe]
jwe
parents: 3930
diff changeset
2832 else
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe]
jwe
parents: 3930
diff changeset
2833 retval = new tree_index_expression (expr, elt, l, c);
2970
b9e64477f703 [project @ 1997-05-15 18:04:21 by jwe]
jwe
parents: 2961
diff changeset
2834
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
2835 lexer.looking_at_indirect_ref = false;
751
c9f3cb77478d [project @ 1994-09-30 18:46:17 by jwe]
jwe
parents: 723
diff changeset
2836
c9f3cb77478d [project @ 1994-09-30 18:46:17 by jwe]
jwe
parents: 723
diff changeset
2837 return retval;
c9f3cb77478d [project @ 1994-09-30 18:46:17 by jwe]
jwe
parents: 723
diff changeset
2838 }
1511
74f9e88a2c12 [project @ 1995-10-03 10:49:31 by jwe]
jwe
parents: 1491
diff changeset
2839
4131
597fbc55ea40 [project @ 2002-10-29 17:12:53 by jwe]
jwe
parents: 4064
diff changeset
2840 // Make an indirect reference expression with dynamic field name.
597fbc55ea40 [project @ 2002-10-29 17:12:53 by jwe]
jwe
parents: 4064
diff changeset
2841
16134
ec9c6222ef5a move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents: 16133
diff changeset
2842 tree_index_expression *
16287
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2843 octave_base_parser::make_indirect_ref (tree_expression *expr, tree_expression *elt)
4131
597fbc55ea40 [project @ 2002-10-29 17:12:53 by jwe]
jwe
parents: 4064
diff changeset
2844 {
597fbc55ea40 [project @ 2002-10-29 17:12:53 by jwe]
jwe
parents: 4064
diff changeset
2845 tree_index_expression *retval = 0;
597fbc55ea40 [project @ 2002-10-29 17:12:53 by jwe]
jwe
parents: 4064
diff changeset
2846
597fbc55ea40 [project @ 2002-10-29 17:12:53 by jwe]
jwe
parents: 4064
diff changeset
2847 int l = expr->line ();
597fbc55ea40 [project @ 2002-10-29 17:12:53 by jwe]
jwe
parents: 4064
diff changeset
2848 int c = expr->column ();
597fbc55ea40 [project @ 2002-10-29 17:12:53 by jwe]
jwe
parents: 4064
diff changeset
2849
597fbc55ea40 [project @ 2002-10-29 17:12:53 by jwe]
jwe
parents: 4064
diff changeset
2850 if (expr->is_index_expression ())
597fbc55ea40 [project @ 2002-10-29 17:12:53 by jwe]
jwe
parents: 4064
diff changeset
2851 {
597fbc55ea40 [project @ 2002-10-29 17:12:53 by jwe]
jwe
parents: 4064
diff changeset
2852 tree_index_expression *tmp = static_cast<tree_index_expression *> (expr);
597fbc55ea40 [project @ 2002-10-29 17:12:53 by jwe]
jwe
parents: 4064
diff changeset
2853
597fbc55ea40 [project @ 2002-10-29 17:12:53 by jwe]
jwe
parents: 4064
diff changeset
2854 tmp->append (elt);
597fbc55ea40 [project @ 2002-10-29 17:12:53 by jwe]
jwe
parents: 4064
diff changeset
2855
597fbc55ea40 [project @ 2002-10-29 17:12:53 by jwe]
jwe
parents: 4064
diff changeset
2856 retval = tmp;
597fbc55ea40 [project @ 2002-10-29 17:12:53 by jwe]
jwe
parents: 4064
diff changeset
2857 }
597fbc55ea40 [project @ 2002-10-29 17:12:53 by jwe]
jwe
parents: 4064
diff changeset
2858 else
597fbc55ea40 [project @ 2002-10-29 17:12:53 by jwe]
jwe
parents: 4064
diff changeset
2859 retval = new tree_index_expression (expr, elt, l, c);
597fbc55ea40 [project @ 2002-10-29 17:12:53 by jwe]
jwe
parents: 4064
diff changeset
2860
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
2861 lexer.looking_at_indirect_ref = false;
4131
597fbc55ea40 [project @ 2002-10-29 17:12:53 by jwe]
jwe
parents: 4064
diff changeset
2862
597fbc55ea40 [project @ 2002-10-29 17:12:53 by jwe]
jwe
parents: 4064
diff changeset
2863 return retval;
597fbc55ea40 [project @ 2002-10-29 17:12:53 by jwe]
jwe
parents: 4064
diff changeset
2864 }
597fbc55ea40 [project @ 2002-10-29 17:12:53 by jwe]
jwe
parents: 4064
diff changeset
2865
2846
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe]
jwe
parents: 2825
diff changeset
2866 // Make a declaration command.
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe]
jwe
parents: 2825
diff changeset
2867
16134
ec9c6222ef5a move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents: 16133
diff changeset
2868 tree_decl_command *
16287
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2869 octave_base_parser::make_decl_command (int tok, token *tok_val,
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2870 tree_decl_init_list *lst)
2846
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe]
jwe
parents: 2825
diff changeset
2871 {
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe]
jwe
parents: 2825
diff changeset
2872 tree_decl_command *retval = 0;
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe]
jwe
parents: 2825
diff changeset
2873
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe]
jwe
parents: 2825
diff changeset
2874 int l = tok_val->line ();
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe]
jwe
parents: 2825
diff changeset
2875 int c = tok_val->column ();
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe]
jwe
parents: 2825
diff changeset
2876
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe]
jwe
parents: 2825
diff changeset
2877 switch (tok)
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe]
jwe
parents: 2825
diff changeset
2878 {
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe]
jwe
parents: 2825
diff changeset
2879 case GLOBAL:
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe]
jwe
parents: 2825
diff changeset
2880 retval = new tree_global_command (lst, l, c);
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe]
jwe
parents: 2825
diff changeset
2881 break;
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe]
jwe
parents: 2825
diff changeset
2882
14294
9e3983c8963c deprecate the static keyword
John W. Eaton <jwe@octave.org>
parents: 14293
diff changeset
2883 case PERSISTENT:
16153
a57c2c8c8163 move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents: 16151
diff changeset
2884 if (curr_fcn_depth > 0)
14294
9e3983c8963c deprecate the static keyword
John W. Eaton <jwe@octave.org>
parents: 14293
diff changeset
2885 retval = new tree_persistent_command (lst, l, c);
2846
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe]
jwe
parents: 2825
diff changeset
2886 else
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
2887 {
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
2888 if (lexer.reading_script_file)
15466
d174210ce1ec use ' instead of ` in error messages, warnings and most comments
John W. Eaton <jwe@octave.org>
parents: 14189
diff changeset
2889 warning ("ignoring persistent declaration near line %d of file '%s'",
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
2890 l, lexer.fcn_file_full_name.c_str ());
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
2891 else
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
2892 warning ("ignoring persistent declaration near line %d", l);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
2893 }
2846
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe]
jwe
parents: 2825
diff changeset
2894 break;
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe]
jwe
parents: 2825
diff changeset
2895
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe]
jwe
parents: 2825
diff changeset
2896 default:
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe]
jwe
parents: 2825
diff changeset
2897 panic_impossible ();
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe]
jwe
parents: 2825
diff changeset
2898 break;
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe]
jwe
parents: 2825
diff changeset
2899 }
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe]
jwe
parents: 2825
diff changeset
2900
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe]
jwe
parents: 2825
diff changeset
2901 return retval;
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe]
jwe
parents: 2825
diff changeset
2902 }
52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe]
jwe
parents: 2825
diff changeset
2903
16273
c5e5f6ccac5d 9/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents: 16265
diff changeset
2904 bool
16287
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2905 octave_base_parser::validate_array_list (tree_expression *e)
16273
c5e5f6ccac5d 9/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents: 16265
diff changeset
2906 {
c5e5f6ccac5d 9/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents: 16265
diff changeset
2907 bool retval = true;
c5e5f6ccac5d 9/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents: 16265
diff changeset
2908
c5e5f6ccac5d 9/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents: 16265
diff changeset
2909 tree_array_list *al = dynamic_cast<tree_array_list *> (e);
c5e5f6ccac5d 9/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents: 16265
diff changeset
2910
c5e5f6ccac5d 9/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents: 16265
diff changeset
2911 for (tree_array_list::iterator i = al->begin (); i != al->end (); i++)
c5e5f6ccac5d 9/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents: 16265
diff changeset
2912 {
c5e5f6ccac5d 9/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents: 16265
diff changeset
2913 tree_argument_list *row = *i;
c5e5f6ccac5d 9/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents: 16265
diff changeset
2914
c5e5f6ccac5d 9/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents: 16265
diff changeset
2915 if (row && row->has_magic_tilde ())
c5e5f6ccac5d 9/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents: 16265
diff changeset
2916 {
c5e5f6ccac5d 9/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents: 16265
diff changeset
2917 retval = false;
c5e5f6ccac5d 9/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents: 16265
diff changeset
2918 if (e->is_matrix ())
c5e5f6ccac5d 9/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents: 16265
diff changeset
2919 bison_error ("invalid use of tilde (~) in matrix expression");
c5e5f6ccac5d 9/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents: 16265
diff changeset
2920 else
c5e5f6ccac5d 9/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents: 16265
diff changeset
2921 bison_error ("invalid use of tilde (~) in cell expression");
c5e5f6ccac5d 9/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents: 16265
diff changeset
2922 break;
c5e5f6ccac5d 9/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents: 16265
diff changeset
2923 }
c5e5f6ccac5d 9/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents: 16265
diff changeset
2924 }
c5e5f6ccac5d 9/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents: 16265
diff changeset
2925
c5e5f6ccac5d 9/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents: 16265
diff changeset
2926 return retval;
c5e5f6ccac5d 9/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents: 16265
diff changeset
2927 }
c5e5f6ccac5d 9/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents: 16265
diff changeset
2928
16134
ec9c6222ef5a move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents: 16133
diff changeset
2929 tree_argument_list *
16287
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2930 octave_base_parser::validate_matrix_for_assignment (tree_expression *e)
10207
76a880a588ce error when using ~ in matrix expression
Jaroslav Hajek <highegg@gmail.com>
parents: 10206
diff changeset
2931 {
16273
c5e5f6ccac5d 9/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents: 16265
diff changeset
2932 tree_argument_list *retval = 0;
c5e5f6ccac5d 9/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents: 16265
diff changeset
2933
c5e5f6ccac5d 9/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents: 16265
diff changeset
2934 if (e->is_constant ())
c5e5f6ccac5d 9/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents: 16265
diff changeset
2935 {
16285
3389152014ca improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents: 16284
diff changeset
2936 octave_value ov = e->rvalue1 ();
3389152014ca improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents: 16284
diff changeset
2937
3389152014ca improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents: 16284
diff changeset
2938 if (ov.is_empty ())
3389152014ca improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents: 16284
diff changeset
2939 bison_error ("invalid empty left hand side of assignment");
3389152014ca improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents: 16284
diff changeset
2940 else
3389152014ca improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents: 16284
diff changeset
2941 bison_error ("invalid constant left hand side of assignment");
3389152014ca improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents: 16284
diff changeset
2942
16273
c5e5f6ccac5d 9/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents: 16265
diff changeset
2943 delete e;
c5e5f6ccac5d 9/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents: 16265
diff changeset
2944 }
c5e5f6ccac5d 9/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents: 16265
diff changeset
2945 else
c5e5f6ccac5d 9/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents: 16265
diff changeset
2946 {
16285
3389152014ca improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents: 16284
diff changeset
2947 bool is_simple_assign = true;
3389152014ca improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents: 16284
diff changeset
2948
3389152014ca improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents: 16284
diff changeset
2949 tree_argument_list *tmp = 0;
3389152014ca improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents: 16284
diff changeset
2950
3389152014ca improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents: 16284
diff changeset
2951 if (e->is_matrix ())
3389152014ca improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents: 16284
diff changeset
2952 {
3389152014ca improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents: 16284
diff changeset
2953 tree_matrix *mat = dynamic_cast<tree_matrix *> (e);
3389152014ca improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents: 16284
diff changeset
2954
3389152014ca improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents: 16284
diff changeset
2955 if (mat && mat->size () == 1)
3389152014ca improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents: 16284
diff changeset
2956 {
3389152014ca improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents: 16284
diff changeset
2957 tmp = mat->front ();
3389152014ca improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents: 16284
diff changeset
2958 mat->pop_front ();
3389152014ca improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents: 16284
diff changeset
2959 delete e;
3389152014ca improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents: 16284
diff changeset
2960 is_simple_assign = false;
3389152014ca improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents: 16284
diff changeset
2961 }
3389152014ca improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents: 16284
diff changeset
2962 }
3389152014ca improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents: 16284
diff changeset
2963 else
3389152014ca improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents: 16284
diff changeset
2964 tmp = new tree_argument_list (e);
3389152014ca improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents: 16284
diff changeset
2965
3389152014ca improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents: 16284
diff changeset
2966 if (tmp && tmp->is_valid_lvalue_list ())
3389152014ca improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents: 16284
diff changeset
2967 retval = tmp;
3389152014ca improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents: 16284
diff changeset
2968 else
3389152014ca improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents: 16284
diff changeset
2969 {
3389152014ca improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents: 16284
diff changeset
2970 bison_error ("invalid left hand side of assignment");
3389152014ca improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents: 16284
diff changeset
2971 delete tmp;
3389152014ca improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents: 16284
diff changeset
2972 }
3389152014ca improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents: 16284
diff changeset
2973
3389152014ca improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents: 16284
diff changeset
2974 if (retval && is_simple_assign)
3389152014ca improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents: 16284
diff changeset
2975 retval->mark_as_simple_assign_lhs ();
16273
c5e5f6ccac5d 9/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents: 16265
diff changeset
2976 }
c5e5f6ccac5d 9/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents: 16265
diff changeset
2977
c5e5f6ccac5d 9/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents: 16265
diff changeset
2978 return retval;
10207
76a880a588ce error when using ~ in matrix expression
Jaroslav Hajek <highegg@gmail.com>
parents: 10206
diff changeset
2979 }
76a880a588ce error when using ~ in matrix expression
Jaroslav Hajek <highegg@gmail.com>
parents: 10206
diff changeset
2980
16237
70f465930546 rearrange class heirarchy for tree_cell and tree_matrix
John W. Eaton <jwe@octave.org>
parents: 16210
diff changeset
2981 // Finish building an array_list.
1623
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2982
16134
ec9c6222ef5a move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents: 16133
diff changeset
2983 tree_expression *
16287
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
2984 octave_base_parser::finish_array_list (tree_array_list *array_list)
1623
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2985 {
16237
70f465930546 rearrange class heirarchy for tree_cell and tree_matrix
John W. Eaton <jwe@octave.org>
parents: 16210
diff changeset
2986 tree_expression *retval = array_list;
3110
fe2d1ae8926b [project @ 1997-11-21 02:11:19 by jwe]
jwe
parents: 3099
diff changeset
2987
10067
6f79338c269b omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents: 9794
diff changeset
2988 unwind_protect frame;
6f79338c269b omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents: 9794
diff changeset
2989
6f79338c269b omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents: 9794
diff changeset
2990 frame.protect_var (error_state);
6f79338c269b omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents: 9794
diff changeset
2991 frame.protect_var (warning_state);
6f79338c269b omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents: 9794
diff changeset
2992
6f79338c269b omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents: 9794
diff changeset
2993 frame.protect_var (discard_error_messages);
6f79338c269b omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents: 9794
diff changeset
2994 frame.protect_var (discard_warning_messages);
4452
f3c21a1d1c62 [project @ 2003-07-09 23:20:18 by jwe]
jwe
parents: 4426
diff changeset
2995
3815
c554ad71bafc [project @ 2001-04-19 19:50:52 by jwe]
jwe
parents: 3802
diff changeset
2996 discard_error_messages = true;
4452
f3c21a1d1c62 [project @ 2003-07-09 23:20:18 by jwe]
jwe
parents: 4426
diff changeset
2997 discard_warning_messages = true;
1623
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
2998
16237
70f465930546 rearrange class heirarchy for tree_cell and tree_matrix
John W. Eaton <jwe@octave.org>
parents: 16210
diff changeset
2999 if (array_list->all_elements_are_constant ())
1829
7d2982b55242 [project @ 1996-02-02 14:12:59 by jwe]
jwe
parents: 1826
diff changeset
3000 {
16237
70f465930546 rearrange class heirarchy for tree_cell and tree_matrix
John W. Eaton <jwe@octave.org>
parents: 16210
diff changeset
3001 octave_value tmp = array_list->rvalue1 ();
1623
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
3002
3489
cbee5fbb696d [project @ 2000-01-28 09:14:32 by jwe]
jwe
parents: 3485
diff changeset
3003 if (! (error_state || warning_state))
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3004 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3005 tree_constant *tc_retval
16237
70f465930546 rearrange class heirarchy for tree_cell and tree_matrix
John W. Eaton <jwe@octave.org>
parents: 16210
diff changeset
3006 = new tree_constant (tmp, array_list->line (),
70f465930546 rearrange class heirarchy for tree_cell and tree_matrix
John W. Eaton <jwe@octave.org>
parents: 16210
diff changeset
3007 array_list->column ());
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3008
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3009 std::ostringstream buf;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3010
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3011 tree_print_code tpc (buf);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3012
16237
70f465930546 rearrange class heirarchy for tree_cell and tree_matrix
John W. Eaton <jwe@octave.org>
parents: 16210
diff changeset
3013 array_list->accept (tpc);
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3014
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3015 tc_retval->stash_original_text (buf.str ());
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3016
16237
70f465930546 rearrange class heirarchy for tree_cell and tree_matrix
John W. Eaton <jwe@octave.org>
parents: 16210
diff changeset
3017 delete array_list;
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3018
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3019 retval = tc_retval;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3020 }
1623
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
3021 }
3110
fe2d1ae8926b [project @ 1997-11-21 02:11:19 by jwe]
jwe
parents: 3099
diff changeset
3022
1623
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
3023 return retval;
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
3024 }
fa7a847f9b92 [project @ 1995-11-06 18:05:09 by jwe]
jwe
parents: 1607
diff changeset
3025
16237
70f465930546 rearrange class heirarchy for tree_cell and tree_matrix
John W. Eaton <jwe@octave.org>
parents: 16210
diff changeset
3026 // Finish building a matrix list.
70f465930546 rearrange class heirarchy for tree_cell and tree_matrix
John W. Eaton <jwe@octave.org>
parents: 16210
diff changeset
3027
70f465930546 rearrange class heirarchy for tree_cell and tree_matrix
John W. Eaton <jwe@octave.org>
parents: 16210
diff changeset
3028 tree_expression *
16287
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
3029 octave_base_parser::finish_matrix (tree_matrix *m)
16237
70f465930546 rearrange class heirarchy for tree_cell and tree_matrix
John W. Eaton <jwe@octave.org>
parents: 16210
diff changeset
3030 {
70f465930546 rearrange class heirarchy for tree_cell and tree_matrix
John W. Eaton <jwe@octave.org>
parents: 16210
diff changeset
3031 return finish_array_list (m);
70f465930546 rearrange class heirarchy for tree_cell and tree_matrix
John W. Eaton <jwe@octave.org>
parents: 16210
diff changeset
3032 }
70f465930546 rearrange class heirarchy for tree_cell and tree_matrix
John W. Eaton <jwe@octave.org>
parents: 16210
diff changeset
3033
3351
8623649c967c [project @ 1999-11-15 16:17:01 by jwe]
jwe
parents: 3347
diff changeset
3034 // Finish building a cell list.
8623649c967c [project @ 1999-11-15 16:17:01 by jwe]
jwe
parents: 3347
diff changeset
3035
16134
ec9c6222ef5a move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents: 16133
diff changeset
3036 tree_expression *
16287
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
3037 octave_base_parser::finish_cell (tree_cell *c)
3351
8623649c967c [project @ 1999-11-15 16:17:01 by jwe]
jwe
parents: 3347
diff changeset
3038 {
16237
70f465930546 rearrange class heirarchy for tree_cell and tree_matrix
John W. Eaton <jwe@octave.org>
parents: 16210
diff changeset
3039 return finish_array_list (c);
3351
8623649c967c [project @ 1999-11-15 16:17:01 by jwe]
jwe
parents: 3347
diff changeset
3040 }
8623649c967c [project @ 1999-11-15 16:17:01 by jwe]
jwe
parents: 3347
diff changeset
3041
16134
ec9c6222ef5a move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents: 16133
diff changeset
3042 void
16287
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
3043 octave_base_parser::maybe_warn_missing_semi (tree_statement_list *t)
1511
74f9e88a2c12 [project @ 1995-10-03 10:49:31 by jwe]
jwe
parents: 1491
diff changeset
3044 {
16153
a57c2c8c8163 move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents: 16151
diff changeset
3045 if (curr_fcn_depth > 0)
1511
74f9e88a2c12 [project @ 1995-10-03 10:49:31 by jwe]
jwe
parents: 1491
diff changeset
3046 {
14846
460a3c6d8bf1 maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents: 14584
diff changeset
3047 tree_statement *tmp = t->back ();
1607
795527e9db19 [project @ 1995-11-02 13:03:36 by jwe]
jwe
parents: 1588
diff changeset
3048
1511
74f9e88a2c12 [project @ 1995-10-03 10:49:31 by jwe]
jwe
parents: 1491
diff changeset
3049 if (tmp->is_expression ())
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3050 warning_with_id
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3051 ("Octave:missing-semicolon",
15466
d174210ce1ec use ' instead of ` in error messages, warnings and most comments
John W. Eaton <jwe@octave.org>
parents: 14189
diff changeset
3052 "missing semicolon near line %d, column %d in file '%s'",
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
3053 tmp->line (), tmp->column (), lexer.fcn_file_full_name.c_str ());
1511
74f9e88a2c12 [project @ 1995-10-03 10:49:31 by jwe]
jwe
parents: 1491
diff changeset
3054 }
74f9e88a2c12 [project @ 1995-10-03 10:49:31 by jwe]
jwe
parents: 1491
diff changeset
3055 }
1994
c2d20f365b84 [project @ 1996-03-03 01:19:32 by jwe]
jwe
parents: 1884
diff changeset
3056
16134
ec9c6222ef5a move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents: 16133
diff changeset
3057 tree_statement_list *
16287
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
3058 octave_base_parser::set_stmt_print_flag (tree_statement_list *list,
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
3059 char sep, bool warn_missing_semi)
2525
8561d88be5f2 [project @ 1996-11-17 21:23:31 by jwe]
jwe
parents: 2524
diff changeset
3060 {
8471
02de6775f1fe parse.y: always append statements to list, but remove null statements after seeing separator
John W. Eaton <jwe@octave.org>
parents: 8448
diff changeset
3061 tree_statement *tmp = list->back ();
02de6775f1fe parse.y: always append statements to list, but remove null statements after seeing separator
John W. Eaton <jwe@octave.org>
parents: 8448
diff changeset
3062
2525
8561d88be5f2 [project @ 1996-11-17 21:23:31 by jwe]
jwe
parents: 2524
diff changeset
3063 switch (sep)
8561d88be5f2 [project @ 1996-11-17 21:23:31 by jwe]
jwe
parents: 2524
diff changeset
3064 {
8561d88be5f2 [project @ 1996-11-17 21:23:31 by jwe]
jwe
parents: 2524
diff changeset
3065 case ';':
8658
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents: 8471
diff changeset
3066 tmp->set_print_flag (false);
2525
8561d88be5f2 [project @ 1996-11-17 21:23:31 by jwe]
jwe
parents: 2524
diff changeset
3067 break;
8561d88be5f2 [project @ 1996-11-17 21:23:31 by jwe]
jwe
parents: 2524
diff changeset
3068
8561d88be5f2 [project @ 1996-11-17 21:23:31 by jwe]
jwe
parents: 2524
diff changeset
3069 case 0:
8561d88be5f2 [project @ 1996-11-17 21:23:31 by jwe]
jwe
parents: 2524
diff changeset
3070 case ',':
8561d88be5f2 [project @ 1996-11-17 21:23:31 by jwe]
jwe
parents: 2524
diff changeset
3071 case '\n':
8658
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents: 8471
diff changeset
3072 tmp->set_print_flag (true);
2525
8561d88be5f2 [project @ 1996-11-17 21:23:31 by jwe]
jwe
parents: 2524
diff changeset
3073 if (warn_missing_semi)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3074 maybe_warn_missing_semi (list);
2525
8561d88be5f2 [project @ 1996-11-17 21:23:31 by jwe]
jwe
parents: 2524
diff changeset
3075 break;
8561d88be5f2 [project @ 1996-11-17 21:23:31 by jwe]
jwe
parents: 2524
diff changeset
3076
8561d88be5f2 [project @ 1996-11-17 21:23:31 by jwe]
jwe
parents: 2524
diff changeset
3077 default:
8561d88be5f2 [project @ 1996-11-17 21:23:31 by jwe]
jwe
parents: 2524
diff changeset
3078 warning ("unrecognized separator type!");
8561d88be5f2 [project @ 1996-11-17 21:23:31 by jwe]
jwe
parents: 2524
diff changeset
3079 break;
8561d88be5f2 [project @ 1996-11-17 21:23:31 by jwe]
jwe
parents: 2524
diff changeset
3080 }
8471
02de6775f1fe parse.y: always append statements to list, but remove null statements after seeing separator
John W. Eaton <jwe@octave.org>
parents: 8448
diff changeset
3081
02de6775f1fe parse.y: always append statements to list, but remove null statements after seeing separator
John W. Eaton <jwe@octave.org>
parents: 8448
diff changeset
3082 // Even if a statement is null, we add it to the list then remove it
02de6775f1fe parse.y: always append statements to list, but remove null statements after seeing separator
John W. Eaton <jwe@octave.org>
parents: 8448
diff changeset
3083 // here so that the print flag is applied to the correct statement.
02de6775f1fe parse.y: always append statements to list, but remove null statements after seeing separator
John W. Eaton <jwe@octave.org>
parents: 8448
diff changeset
3084
02de6775f1fe parse.y: always append statements to list, but remove null statements after seeing separator
John W. Eaton <jwe@octave.org>
parents: 8448
diff changeset
3085 if (tmp->is_null_statement ())
02de6775f1fe parse.y: always append statements to list, but remove null statements after seeing separator
John W. Eaton <jwe@octave.org>
parents: 8448
diff changeset
3086 {
02de6775f1fe parse.y: always append statements to list, but remove null statements after seeing separator
John W. Eaton <jwe@octave.org>
parents: 8448
diff changeset
3087 list->pop_back ();
02de6775f1fe parse.y: always append statements to list, but remove null statements after seeing separator
John W. Eaton <jwe@octave.org>
parents: 8448
diff changeset
3088 delete tmp;
02de6775f1fe parse.y: always append statements to list, but remove null statements after seeing separator
John W. Eaton <jwe@octave.org>
parents: 8448
diff changeset
3089 }
02de6775f1fe parse.y: always append statements to list, but remove null statements after seeing separator
John W. Eaton <jwe@octave.org>
parents: 8448
diff changeset
3090
02de6775f1fe parse.y: always append statements to list, but remove null statements after seeing separator
John W. Eaton <jwe@octave.org>
parents: 8448
diff changeset
3091 return list;
2525
8561d88be5f2 [project @ 1996-11-17 21:23:31 by jwe]
jwe
parents: 2524
diff changeset
3092 }
8561d88be5f2 [project @ 1996-11-17 21:23:31 by jwe]
jwe
parents: 2524
diff changeset
3093
16134
ec9c6222ef5a move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents: 16133
diff changeset
3094 tree_statement_list *
16287
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
3095 octave_base_parser::make_statement_list (tree_statement *stmt)
8448
d6c0d5f208de parse.y: avoid storing null statements in statement lists
John W. Eaton <jwe@octave.org>
parents: 8447
diff changeset
3096 {
8471
02de6775f1fe parse.y: always append statements to list, but remove null statements after seeing separator
John W. Eaton <jwe@octave.org>
parents: 8448
diff changeset
3097 return new tree_statement_list (stmt);
8448
d6c0d5f208de parse.y: avoid storing null statements in statement lists
John W. Eaton <jwe@octave.org>
parents: 8447
diff changeset
3098 }
d6c0d5f208de parse.y: avoid storing null statements in statement lists
John W. Eaton <jwe@octave.org>
parents: 8447
diff changeset
3099
16134
ec9c6222ef5a move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents: 16133
diff changeset
3100 tree_statement_list *
16287
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
3101 octave_base_parser::append_statement_list (tree_statement_list *list,
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
3102 char sep, tree_statement *stmt,
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
3103 bool warn_missing_semi)
8448
d6c0d5f208de parse.y: avoid storing null statements in statement lists
John W. Eaton <jwe@octave.org>
parents: 8447
diff changeset
3104 {
8471
02de6775f1fe parse.y: always append statements to list, but remove null statements after seeing separator
John W. Eaton <jwe@octave.org>
parents: 8448
diff changeset
3105 set_stmt_print_flag (list, sep, warn_missing_semi);
02de6775f1fe parse.y: always append statements to list, but remove null statements after seeing separator
John W. Eaton <jwe@octave.org>
parents: 8448
diff changeset
3106
02de6775f1fe parse.y: always append statements to list, but remove null statements after seeing separator
John W. Eaton <jwe@octave.org>
parents: 8448
diff changeset
3107 list->append (stmt);
02de6775f1fe parse.y: always append statements to list, but remove null statements after seeing separator
John W. Eaton <jwe@octave.org>
parents: 8448
diff changeset
3108
02de6775f1fe parse.y: always append statements to list, but remove null statements after seeing separator
John W. Eaton <jwe@octave.org>
parents: 8448
diff changeset
3109 return list;
8448
d6c0d5f208de parse.y: avoid storing null statements in statement lists
John W. Eaton <jwe@octave.org>
parents: 8447
diff changeset
3110 }
d6c0d5f208de parse.y: avoid storing null statements in statement lists
John W. Eaton <jwe@octave.org>
parents: 8447
diff changeset
3111
16145
edddf8903f15 maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents: 16142
diff changeset
3112 void
16287
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
3113 octave_base_parser::bison_error (const char *s)
16145
edddf8903f15 maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents: 16142
diff changeset
3114 {
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
3115 int err_col = lexer.current_input_column - 1;
16145
edddf8903f15 maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents: 16142
diff changeset
3116
edddf8903f15 maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents: 16142
diff changeset
3117 std::ostringstream output_buf;
edddf8903f15 maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents: 16142
diff changeset
3118
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
3119 if (lexer.reading_fcn_file || lexer.reading_script_file || lexer.reading_classdef_file)
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
3120 output_buf << "parse error near line " << lexer.input_line_number
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
3121 << " of file " << lexer.fcn_file_full_name;
16145
edddf8903f15 maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents: 16142
diff changeset
3122 else
edddf8903f15 maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents: 16142
diff changeset
3123 output_buf << "parse error:";
edddf8903f15 maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents: 16142
diff changeset
3124
edddf8903f15 maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents: 16142
diff changeset
3125 if (s && strcmp (s, "parse error") != 0)
edddf8903f15 maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents: 16142
diff changeset
3126 output_buf << "\n\n " << s;
edddf8903f15 maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents: 16142
diff changeset
3127
edddf8903f15 maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents: 16142
diff changeset
3128 output_buf << "\n\n";
edddf8903f15 maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents: 16142
diff changeset
3129
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
3130 std::string curr_line = lexer.current_input_line;
16207
0467d68ca891 move current_input_line to lexical_feedback class
John W. Eaton <jwe@octave.org>
parents: 16203
diff changeset
3131
0467d68ca891 move current_input_line to lexical_feedback class
John W. Eaton <jwe@octave.org>
parents: 16203
diff changeset
3132 if (! curr_line.empty ())
16145
edddf8903f15 maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents: 16142
diff changeset
3133 {
16207
0467d68ca891 move current_input_line to lexical_feedback class
John W. Eaton <jwe@octave.org>
parents: 16203
diff changeset
3134 size_t len = curr_line.length ();
0467d68ca891 move current_input_line to lexical_feedback class
John W. Eaton <jwe@octave.org>
parents: 16203
diff changeset
3135
0467d68ca891 move current_input_line to lexical_feedback class
John W. Eaton <jwe@octave.org>
parents: 16203
diff changeset
3136 if (curr_line[len-1] == '\n')
0467d68ca891 move current_input_line to lexical_feedback class
John W. Eaton <jwe@octave.org>
parents: 16203
diff changeset
3137 curr_line.resize (len-1);
16145
edddf8903f15 maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents: 16142
diff changeset
3138
edddf8903f15 maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents: 16142
diff changeset
3139 // Print the line, maybe with a pointer near the error token.
edddf8903f15 maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents: 16142
diff changeset
3140
16207
0467d68ca891 move current_input_line to lexical_feedback class
John W. Eaton <jwe@octave.org>
parents: 16203
diff changeset
3141 output_buf << ">>> " << curr_line << "\n";
16145
edddf8903f15 maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents: 16142
diff changeset
3142
edddf8903f15 maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents: 16142
diff changeset
3143 if (err_col == 0)
edddf8903f15 maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents: 16142
diff changeset
3144 err_col = len;
edddf8903f15 maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents: 16142
diff changeset
3145
edddf8903f15 maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents: 16142
diff changeset
3146 for (int i = 0; i < err_col + 3; i++)
edddf8903f15 maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents: 16142
diff changeset
3147 output_buf << " ";
edddf8903f15 maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents: 16142
diff changeset
3148
edddf8903f15 maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents: 16142
diff changeset
3149 output_buf << "^";
edddf8903f15 maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents: 16142
diff changeset
3150 }
edddf8903f15 maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents: 16142
diff changeset
3151
edddf8903f15 maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents: 16142
diff changeset
3152 output_buf << "\n";
edddf8903f15 maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents: 16142
diff changeset
3153
edddf8903f15 maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents: 16142
diff changeset
3154 std::string msg = output_buf.str ();
edddf8903f15 maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents: 16142
diff changeset
3155
edddf8903f15 maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents: 16142
diff changeset
3156 parse_error ("%s", msg.c_str ());
edddf8903f15 maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents: 16142
diff changeset
3157 }
edddf8903f15 maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents: 16142
diff changeset
3158
16287
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
3159 int
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
3160 octave_parser::run (void)
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
3161 {
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
3162 return octave_parse (*this);
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
3163 }
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
3164
3021
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3165 static void
10067
6f79338c269b omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents: 9794
diff changeset
3166 safe_fclose (FILE *f)
3021
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3167 {
5775
ace8d8d26933 [project @ 2006-04-24 19:13:06 by jwe]
jwe
parents: 5774
diff changeset
3168 // FIXME -- comments at the end of an input file are
3765
e10451597802 [project @ 2001-01-17 18:41:29 by jwe]
jwe
parents: 3726
diff changeset
3169 // discarded (otherwise, they would be appended to the next
e10451597802 [project @ 2001-01-17 18:41:29 by jwe]
jwe
parents: 3726
diff changeset
3170 // statement, possibly from the command line or another file, which
e10451597802 [project @ 2001-01-17 18:41:29 by jwe]
jwe
parents: 3726
diff changeset
3171 // can be quite confusing).
e10451597802 [project @ 2001-01-17 18:41:29 by jwe]
jwe
parents: 3726
diff changeset
3172
5308
bc8d6ebb6ee1 [project @ 2005-04-27 05:08:19 by jwe]
jwe
parents: 5307
diff changeset
3173 octave_comment_list *tc = octave_comment_buffer::get_comment ();
bc8d6ebb6ee1 [project @ 2005-04-27 05:08:19 by jwe]
jwe
parents: 5307
diff changeset
3174
bc8d6ebb6ee1 [project @ 2005-04-27 05:08:19 by jwe]
jwe
parents: 5307
diff changeset
3175 delete tc;
3765
e10451597802 [project @ 2001-01-17 18:41:29 by jwe]
jwe
parents: 3726
diff changeset
3176
3021
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3177 if (f)
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3178 fclose (static_cast<FILE *> (f));
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3179 }
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3180
7336
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe]
jwe
parents: 7017
diff changeset
3181 static octave_function *
16203
127cccb037bf move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents: 16199
diff changeset
3182 parse_fcn_file (const std::string& full_file, const std::string& file,
127cccb037bf move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents: 16199
diff changeset
3183 const std::string& dispatch_type,
16153
a57c2c8c8163 move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents: 16151
diff changeset
3184 bool require_file, bool force_script, bool autoload,
a57c2c8c8163 move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents: 16151
diff changeset
3185 bool relative_lookup, const std::string& warn_for)
3021
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3186 {
10067
6f79338c269b omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents: 9794
diff changeset
3187 unwind_protect frame;
3021
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3188
7336
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe]
jwe
parents: 7017
diff changeset
3189 octave_function *fcn_ptr = 0;
3021
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3190
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3191 // Open function file and parse.
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3192
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3193 FILE *in_stream = command_editor::get_input_stream ();
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3194
10067
6f79338c269b omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents: 9794
diff changeset
3195 frame.add_fcn (command_editor::set_input_stream, in_stream);
6f79338c269b omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents: 9794
diff changeset
3196
12989
00235a6446da eliminate duplication of internal variables controlling command history
John W. Eaton <jwe@octave.org>
parents: 12973
diff changeset
3197 frame.add_fcn (command_history::ignore_entries,
00235a6446da eliminate duplication of internal variables controlling command history
John W. Eaton <jwe@octave.org>
parents: 12973
diff changeset
3198 command_history::ignoring_entries ());
00235a6446da eliminate duplication of internal variables controlling command history
John W. Eaton <jwe@octave.org>
parents: 12973
diff changeset
3199
7715
5b4d278ec828 parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents: 7699
diff changeset
3200 command_history::ignore_entries ();
5b4d278ec828 parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents: 7699
diff changeset
3201
16198
2c5c538be353 clean up input.cc and eliminate ff_instream global variable
John W. Eaton <jwe@octave.org>
parents: 16195
diff changeset
3202 FILE *ffile = 0;
2c5c538be353 clean up input.cc and eliminate ff_instream global variable
John W. Eaton <jwe@octave.org>
parents: 16195
diff changeset
3203
16203
127cccb037bf move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents: 16199
diff changeset
3204 if (! full_file.empty ())
127cccb037bf move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents: 16199
diff changeset
3205 ffile = gnulib::fopen (full_file.c_str (), "rb");
3021
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3206
10067
6f79338c269b omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents: 9794
diff changeset
3207 frame.add_fcn (safe_fclose, ffile);
3021
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3208
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3209 if (ffile)
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3210 {
16287
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
3211 // octave_base_parser constructor sets this for us.
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
3212 frame.protect_var (LEXER);
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
3213
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
3214 octave_parser parser (ffile);
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
3215
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
3216 parser.curr_class_name = dispatch_type;
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
3217 parser.autoloading = autoload;
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
3218 parser.fcn_file_from_relative_lookup = relative_lookup;
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
3219
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
3220 parser.lexer.force_script = force_script;
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
3221 parser.lexer.prep_for_file ();
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
3222 parser.lexer.parsing_class_method = ! dispatch_type.empty ();
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
3223
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
3224 parser.lexer.fcn_file_name = file;
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
3225 parser.lexer.fcn_file_full_name = full_file;
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
3226
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
3227 int status = parser.run ();
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
3228
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
3229 fcn_ptr = parser.primary_fcn_ptr;
16203
127cccb037bf move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents: 16199
diff changeset
3230
127cccb037bf move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents: 16199
diff changeset
3231 if (status != 0)
127cccb037bf move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents: 16199
diff changeset
3232 error ("parse error while reading file %s", full_file.c_str ());
3021
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3233 }
7715
5b4d278ec828 parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents: 7699
diff changeset
3234 else if (require_file)
16203
127cccb037bf move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents: 16199
diff changeset
3235 error ("no such file, '%s'", full_file.c_str ());
7715
5b4d278ec828 parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents: 7699
diff changeset
3236 else if (! warn_for.empty ())
16203
127cccb037bf move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents: 16199
diff changeset
3237 error ("%s: unable to open file '%s'", warn_for.c_str (),
127cccb037bf move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents: 16199
diff changeset
3238 full_file.c_str ());
3021
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3239
7336
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe]
jwe
parents: 7017
diff changeset
3240 return fcn_ptr;
3021
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3241 }
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3242
5484
2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe]
jwe
parents: 5472
diff changeset
3243 std::string
7715
5b4d278ec828 parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents: 7699
diff changeset
3244 get_help_from_file (const std::string& nm, bool& symbol_found,
16203
127cccb037bf move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents: 16199
diff changeset
3245 std::string& full_file)
7715
5b4d278ec828 parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents: 7699
diff changeset
3246 {
5b4d278ec828 parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents: 7699
diff changeset
3247 std::string retval;
5b4d278ec828 parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents: 7699
diff changeset
3248
16203
127cccb037bf move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents: 16199
diff changeset
3249 full_file = fcn_file_in_path (nm);
127cccb037bf move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents: 16199
diff changeset
3250
127cccb037bf move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents: 16199
diff changeset
3251 std::string file = full_file;
127cccb037bf move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents: 16199
diff changeset
3252
127cccb037bf move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents: 16199
diff changeset
3253 size_t file_len = file.length ();
127cccb037bf move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents: 16199
diff changeset
3254
127cccb037bf move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents: 16199
diff changeset
3255 if ((file_len > 4 && file.substr (file_len-4) == ".oct")
127cccb037bf move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents: 16199
diff changeset
3256 || (file_len > 4 && file.substr (file_len-4) == ".mex")
127cccb037bf move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents: 16199
diff changeset
3257 || (file_len > 2 && file.substr (file_len-2) == ".m"))
127cccb037bf move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents: 16199
diff changeset
3258 {
127cccb037bf move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents: 16199
diff changeset
3259 file = octave_env::base_pathname (file);
127cccb037bf move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents: 16199
diff changeset
3260 file = file.substr (0, file.find_last_of ('.'));
127cccb037bf move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents: 16199
diff changeset
3261
127cccb037bf move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents: 16199
diff changeset
3262 size_t pos = file.find_last_of (file_ops::dir_sep_str ());
127cccb037bf move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents: 16199
diff changeset
3263 if (pos != std::string::npos)
127cccb037bf move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents: 16199
diff changeset
3264 file = file.substr (pos+1);
127cccb037bf move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents: 16199
diff changeset
3265 }
7715
5b4d278ec828 parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents: 7699
diff changeset
3266
5b4d278ec828 parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents: 7699
diff changeset
3267 if (! file.empty ())
5b4d278ec828 parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents: 7699
diff changeset
3268 {
5b4d278ec828 parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents: 7699
diff changeset
3269 symbol_found = true;
5b4d278ec828 parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents: 7699
diff changeset
3270
16203
127cccb037bf move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents: 16199
diff changeset
3271 octave_function *fcn
127cccb037bf move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents: 16199
diff changeset
3272 = parse_fcn_file (full_file, file, "", true, false, false, false, "");
127cccb037bf move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents: 16199
diff changeset
3273
127cccb037bf move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents: 16199
diff changeset
3274 if (fcn)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3275 {
16203
127cccb037bf move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents: 16199
diff changeset
3276 retval = fcn->doc_string ();
127cccb037bf move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents: 16199
diff changeset
3277
127cccb037bf move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents: 16199
diff changeset
3278 delete fcn;
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3279 }
7715
5b4d278ec828 parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents: 7699
diff changeset
3280 }
5b4d278ec828 parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents: 7699
diff changeset
3281
5b4d278ec828 parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents: 7699
diff changeset
3282 return retval;
5b4d278ec828 parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents: 7699
diff changeset
3283 }
5b4d278ec828 parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents: 7699
diff changeset
3284
5b4d278ec828 parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents: 7699
diff changeset
3285 std::string
5b4d278ec828 parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents: 7699
diff changeset
3286 get_help_from_file (const std::string& nm, bool& symbol_found)
5b4d278ec828 parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents: 7699
diff changeset
3287 {
5b4d278ec828 parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents: 7699
diff changeset
3288 std::string file;
5b4d278ec828 parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents: 7699
diff changeset
3289 return get_help_from_file (nm, symbol_found, file);
5b4d278ec828 parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents: 7699
diff changeset
3290 }
5b4d278ec828 parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents: 7699
diff changeset
3291
5b4d278ec828 parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents: 7699
diff changeset
3292 std::string
5484
2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe]
jwe
parents: 5472
diff changeset
3293 lookup_autoload (const std::string& nm)
2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe]
jwe
parents: 5472
diff changeset
3294 {
5626
3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe]
jwe
parents: 5615
diff changeset
3295 std::string retval;
3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe]
jwe
parents: 5615
diff changeset
3296
3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe]
jwe
parents: 5615
diff changeset
3297 typedef std::map<std::string, std::string>::const_iterator am_iter;
3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe]
jwe
parents: 5615
diff changeset
3298
3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe]
jwe
parents: 5615
diff changeset
3299 am_iter p = autoload_map.find (nm);
3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe]
jwe
parents: 5615
diff changeset
3300
3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe]
jwe
parents: 5615
diff changeset
3301 if (p != autoload_map.end ())
6323
ea65de49e18e [project @ 2007-02-17 02:51:02 by jwe]
jwe
parents: 6238
diff changeset
3302 retval = load_path::find_file (p->second);
5626
3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe]
jwe
parents: 5615
diff changeset
3303
3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe]
jwe
parents: 5615
diff changeset
3304 return retval;
5484
2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe]
jwe
parents: 5472
diff changeset
3305 }
2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe]
jwe
parents: 5472
diff changeset
3306
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
3307 string_vector
5592
61d6cebd243b [project @ 2006-01-12 17:55:22 by dbateman]
dbateman
parents: 5484
diff changeset
3308 autoloaded_functions (void)
61d6cebd243b [project @ 2006-01-12 17:55:22 by dbateman]
dbateman
parents: 5484
diff changeset
3309 {
14846
460a3c6d8bf1 maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents: 14584
diff changeset
3310 string_vector names (autoload_map.size ());
5592
61d6cebd243b [project @ 2006-01-12 17:55:22 by dbateman]
dbateman
parents: 5484
diff changeset
3311
61d6cebd243b [project @ 2006-01-12 17:55:22 by dbateman]
dbateman
parents: 5484
diff changeset
3312 octave_idx_type i = 0;
5626
3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe]
jwe
parents: 5615
diff changeset
3313 typedef std::map<std::string, std::string>::const_iterator am_iter;
3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe]
jwe
parents: 5615
diff changeset
3314 for (am_iter p = autoload_map.begin (); p != autoload_map.end (); p++)
5592
61d6cebd243b [project @ 2006-01-12 17:55:22 by dbateman]
dbateman
parents: 5484
diff changeset
3315 names[i++] = p->first;
61d6cebd243b [project @ 2006-01-12 17:55:22 by dbateman]
dbateman
parents: 5484
diff changeset
3316
61d6cebd243b [project @ 2006-01-12 17:55:22 by dbateman]
dbateman
parents: 5484
diff changeset
3317 return names;
61d6cebd243b [project @ 2006-01-12 17:55:22 by dbateman]
dbateman
parents: 5484
diff changeset
3318 }
61d6cebd243b [project @ 2006-01-12 17:55:22 by dbateman]
dbateman
parents: 5484
diff changeset
3319
61d6cebd243b [project @ 2006-01-12 17:55:22 by dbateman]
dbateman
parents: 5484
diff changeset
3320 string_vector
61d6cebd243b [project @ 2006-01-12 17:55:22 by dbateman]
dbateman
parents: 5484
diff changeset
3321 reverse_lookup_autoload (const std::string& nm)
61d6cebd243b [project @ 2006-01-12 17:55:22 by dbateman]
dbateman
parents: 5484
diff changeset
3322 {
61d6cebd243b [project @ 2006-01-12 17:55:22 by dbateman]
dbateman
parents: 5484
diff changeset
3323 string_vector names;
61d6cebd243b [project @ 2006-01-12 17:55:22 by dbateman]
dbateman
parents: 5484
diff changeset
3324
5626
3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe]
jwe
parents: 5615
diff changeset
3325 typedef std::map<std::string, std::string>::const_iterator am_iter;
3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe]
jwe
parents: 5615
diff changeset
3326 for (am_iter p = autoload_map.begin (); p != autoload_map.end (); p++)
5592
61d6cebd243b [project @ 2006-01-12 17:55:22 by dbateman]
dbateman
parents: 5484
diff changeset
3327 if (nm == p->second)
61d6cebd243b [project @ 2006-01-12 17:55:22 by dbateman]
dbateman
parents: 5484
diff changeset
3328 names.append (p->first);
61d6cebd243b [project @ 2006-01-12 17:55:22 by dbateman]
dbateman
parents: 5484
diff changeset
3329
61d6cebd243b [project @ 2006-01-12 17:55:22 by dbateman]
dbateman
parents: 5484
diff changeset
3330 return names;
61d6cebd243b [project @ 2006-01-12 17:55:22 by dbateman]
dbateman
parents: 5484
diff changeset
3331 }
61d6cebd243b [project @ 2006-01-12 17:55:22 by dbateman]
dbateman
parents: 5484
diff changeset
3332
7336
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe]
jwe
parents: 7017
diff changeset
3333 octave_function *
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe]
jwe
parents: 7017
diff changeset
3334 load_fcn_from_file (const std::string& file_name, const std::string& dir_name,
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3335 const std::string& dispatch_type,
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3336 const std::string& fcn_name, bool autoload)
3021
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3337 {
7336
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe]
jwe
parents: 7017
diff changeset
3338 octave_function *retval = 0;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe]
jwe
parents: 7017
diff changeset
3339
10067
6f79338c269b omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents: 9794
diff changeset
3340 unwind_protect frame;
5484
2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe]
jwe
parents: 5472
diff changeset
3341
7336
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe]
jwe
parents: 7017
diff changeset
3342 std::string nm = file_name;
6238
3ecd8d2c5654 [project @ 2007-01-10 21:13:21 by jwe]
jwe
parents: 6235
diff changeset
3343
3ecd8d2c5654 [project @ 2007-01-10 21:13:21 by jwe]
jwe
parents: 6235
diff changeset
3344 size_t nm_len = nm.length ();
5472
e2f85b298a74 [project @ 2005-09-23 21:10:36 by jwe]
jwe
parents: 5400
diff changeset
3345
e2f85b298a74 [project @ 2005-09-23 21:10:36 by jwe]
jwe
parents: 5400
diff changeset
3346 std::string file;
e2f85b298a74 [project @ 2005-09-23 21:10:36 by jwe]
jwe
parents: 5400
diff changeset
3347
16153
a57c2c8c8163 move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents: 16151
diff changeset
3348 bool relative_lookup = false;
6323
ea65de49e18e [project @ 2007-02-17 02:51:02 by jwe]
jwe
parents: 6238
diff changeset
3349
7336
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe]
jwe
parents: 7017
diff changeset
3350 file = nm;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe]
jwe
parents: 7017
diff changeset
3351
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe]
jwe
parents: 7017
diff changeset
3352 if ((nm_len > 4 && nm.substr (nm_len-4) == ".oct")
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe]
jwe
parents: 7017
diff changeset
3353 || (nm_len > 4 && nm.substr (nm_len-4) == ".mex")
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe]
jwe
parents: 7017
diff changeset
3354 || (nm_len > 2 && nm.substr (nm_len-2) == ".m"))
5472
e2f85b298a74 [project @ 2005-09-23 21:10:36 by jwe]
jwe
parents: 5400
diff changeset
3355 {
6238
3ecd8d2c5654 [project @ 2007-01-10 21:13:21 by jwe]
jwe
parents: 6235
diff changeset
3356 nm = octave_env::base_pathname (file);
3ecd8d2c5654 [project @ 2007-01-10 21:13:21 by jwe]
jwe
parents: 6235
diff changeset
3357 nm = nm.substr (0, nm.find_last_of ('.'));
11136
a51ac4198e1c oct-parse.yy (load_fcn_from_file): also strip directory when computing function name from filename
John W. Eaton <jwe@octave.org>
parents: 11091
diff changeset
3358
a51ac4198e1c oct-parse.yy (load_fcn_from_file): also strip directory when computing function name from filename
John W. Eaton <jwe@octave.org>
parents: 11091
diff changeset
3359 size_t pos = nm.find_last_of (file_ops::dir_sep_str ());
a51ac4198e1c oct-parse.yy (load_fcn_from_file): also strip directory when computing function name from filename
John W. Eaton <jwe@octave.org>
parents: 11091
diff changeset
3360 if (pos != std::string::npos)
11138
40206fe759db oct-parse.yy: fix typo in previous change
John W. Eaton <jwe@octave.org>
parents: 11136
diff changeset
3361 nm = nm.substr (pos+1);
5472
e2f85b298a74 [project @ 2005-09-23 21:10:36 by jwe]
jwe
parents: 5400
diff changeset
3362 }
7336
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe]
jwe
parents: 7017
diff changeset
3363
16153
a57c2c8c8163 move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents: 16151
diff changeset
3364 relative_lookup = ! octave_env::absolute_pathname (file);
7749
14e05160b99f reference counting for functions loaded from shared libraries
John W. Eaton <jwe@octave.org>
parents: 7736
diff changeset
3365
10250
2d47356a7a1a use gnulib getcwd module
John W. Eaton <jwe@octave.org>
parents: 10230
diff changeset
3366 file = octave_env::make_absolute (file);
4243
7e4d5b5520e5 [project @ 2002-12-27 05:30:59 by jwe]
jwe
parents: 4240
diff changeset
3367
7e4d5b5520e5 [project @ 2002-12-27 05:30:59 by jwe]
jwe
parents: 4240
diff changeset
3368 int len = file.length ();
7e4d5b5520e5 [project @ 2002-12-27 05:30:59 by jwe]
jwe
parents: 4240
diff changeset
3369
4244
189df16144fc [project @ 2002-12-28 02:00:05 by jwe]
jwe
parents: 4243
diff changeset
3370 if (len > 4 && file.substr (len-4, len-1) == ".oct")
3021
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3371 {
7336
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe]
jwe
parents: 7017
diff changeset
3372 if (autoload && ! fcn_name.empty ())
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3373 nm = fcn_name;
7336
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe]
jwe
parents: 7017
diff changeset
3374
16153
a57c2c8c8163 move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents: 16151
diff changeset
3375 retval = octave_dynamic_loader::load_oct (nm, file, relative_lookup);
5864
e884ab4f29ee [project @ 2006-06-22 00:57:27 by jwe]
jwe
parents: 5861
diff changeset
3376 }
e884ab4f29ee [project @ 2006-06-22 00:57:27 by jwe]
jwe
parents: 5861
diff changeset
3377 else if (len > 4 && file.substr (len-4, len-1) == ".mex")
10570
a61d7248627c When loading a mex-file temporarily load the m-file version to get the help string (bug #29427)
David Bateman <dbateman@free.fr>
parents: 10521
diff changeset
3378 {
a61d7248627c When loading a mex-file temporarily load the m-file version to get the help string (bug #29427)
David Bateman <dbateman@free.fr>
parents: 10521
diff changeset
3379 // Temporarily load m-file version of mex-file, if it exists,
a61d7248627c When loading a mex-file temporarily load the m-file version to get the help string (bug #29427)
David Bateman <dbateman@free.fr>
parents: 10521
diff changeset
3380 // to get the help-string to use.
a61d7248627c When loading a mex-file temporarily load the m-file version to get the help string (bug #29427)
David Bateman <dbateman@free.fr>
parents: 10521
diff changeset
3381
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
3382 octave_function *tmpfcn = parse_fcn_file (file.substr (0, len - 2),
16203
127cccb037bf move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents: 16199
diff changeset
3383 nm, dispatch_type, false,
16153
a57c2c8c8163 move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents: 16151
diff changeset
3384 autoload, autoload,
a57c2c8c8163 move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents: 16151
diff changeset
3385 relative_lookup, "");
a57c2c8c8163 move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents: 16151
diff changeset
3386
a57c2c8c8163 move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents: 16151
diff changeset
3387 retval = octave_dynamic_loader::load_mex (nm, file, relative_lookup);
10570
a61d7248627c When loading a mex-file temporarily load the m-file version to get the help string (bug #29427)
David Bateman <dbateman@free.fr>
parents: 10521
diff changeset
3388
a61d7248627c When loading a mex-file temporarily load the m-file version to get the help string (bug #29427)
David Bateman <dbateman@free.fr>
parents: 10521
diff changeset
3389 if (tmpfcn)
a61d7248627c When loading a mex-file temporarily load the m-file version to get the help string (bug #29427)
David Bateman <dbateman@free.fr>
parents: 10521
diff changeset
3390 retval->document (tmpfcn->doc_string ());
a61d7248627c When loading a mex-file temporarily load the m-file version to get the help string (bug #29427)
David Bateman <dbateman@free.fr>
parents: 10521
diff changeset
3391 delete tmpfcn;
a61d7248627c When loading a mex-file temporarily load the m-file version to get the help string (bug #29427)
David Bateman <dbateman@free.fr>
parents: 10521
diff changeset
3392 }
4244
189df16144fc [project @ 2002-12-28 02:00:05 by jwe]
jwe
parents: 4243
diff changeset
3393 else if (len > 2)
3021
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3394 {
16203
127cccb037bf move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents: 16199
diff changeset
3395 retval = parse_fcn_file (file, nm, dispatch_type, true, autoload,
16153
a57c2c8c8163 move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents: 16151
diff changeset
3396 autoload, relative_lookup, "");
3021
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3397 }
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3398
7336
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe]
jwe
parents: 7017
diff changeset
3399 if (retval)
8819
96d87674b818 also stash directory name for subfunctions
John W. Eaton <jwe@octave.org>
parents: 8812
diff changeset
3400 {
96d87674b818 also stash directory name for subfunctions
John W. Eaton <jwe@octave.org>
parents: 8812
diff changeset
3401 retval->stash_dir_name (dir_name);
96d87674b818 also stash directory name for subfunctions
John W. Eaton <jwe@octave.org>
parents: 8812
diff changeset
3402
96d87674b818 also stash directory name for subfunctions
John W. Eaton <jwe@octave.org>
parents: 8812
diff changeset
3403 if (retval->is_user_function ())
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3404 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3405 symbol_table::scope_id id = retval->scope ();
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3406
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3407 symbol_table::stash_dir_name_for_subfunctions (id, dir_name);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3408 }
8819
96d87674b818 also stash directory name for subfunctions
John W. Eaton <jwe@octave.org>
parents: 8812
diff changeset
3409 }
7336
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe]
jwe
parents: 7017
diff changeset
3410
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe]
jwe
parents: 7017
diff changeset
3411 return retval;
5312
80c1aa832cb2 [project @ 2005-04-28 01:54:46 by jwe]
jwe
parents: 5309
diff changeset
3412 }
80c1aa832cb2 [project @ 2005-04-28 01:54:46 by jwe]
jwe
parents: 5309
diff changeset
3413
8746
5dd06f19e9be handle commands in the lexer
John W. Eaton <jwe@octave.org>
parents: 8745
diff changeset
3414 DEFUN (autoload, args, ,
5484
2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe]
jwe
parents: 5472
diff changeset
3415 "-*- texinfo -*-\n\
2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe]
jwe
parents: 5472
diff changeset
3416 @deftypefn {Built-in Function} {} autoload (@var{function}, @var{file})\n\
2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe]
jwe
parents: 5472
diff changeset
3417 Define @var{function} to autoload from @var{file}.\n\
5626
3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe]
jwe
parents: 5615
diff changeset
3418 \n\
6926
c05fbb1b7e1f [project @ 2007-09-26 19:56:54 by dbateman]
dbateman
parents: 6657
diff changeset
3419 The second argument, @var{file}, should be an absolute file name or\n\
c05fbb1b7e1f [project @ 2007-09-26 19:56:54 by dbateman]
dbateman
parents: 6657
diff changeset
3420 a file name in the same directory as the function or script from which\n\
9038
fca0dc2fb042 Cleanup documentation files stmt.texi and func.texi
Rik <rdrider0-list@yahoo.com>
parents: 8974
diff changeset
3421 the autoload command was run. @var{file} should not depend on the\n\
6926
c05fbb1b7e1f [project @ 2007-09-26 19:56:54 by dbateman]
dbateman
parents: 6657
diff changeset
3422 Octave load path.\n\
6380
ac3d67504f85 [project @ 2007-03-02 22:08:06 by jwe]
jwe
parents: 6379
diff changeset
3423 \n\
ac3d67504f85 [project @ 2007-03-02 22:08:06 by jwe]
jwe
parents: 6379
diff changeset
3424 Normally, calls to @code{autoload} appear in PKG_ADD script files that\n\
ac3d67504f85 [project @ 2007-03-02 22:08:06 by jwe]
jwe
parents: 6379
diff changeset
3425 are evaluated when a directory is added to the Octave's load path. To\n\
6926
c05fbb1b7e1f [project @ 2007-09-26 19:56:54 by dbateman]
dbateman
parents: 6657
diff changeset
3426 avoid having to hardcode directory names in @var{file}, if @var{file}\n\
c05fbb1b7e1f [project @ 2007-09-26 19:56:54 by dbateman]
dbateman
parents: 6657
diff changeset
3427 is in the same directory as the PKG_ADD script then\n\
6380
ac3d67504f85 [project @ 2007-03-02 22:08:06 by jwe]
jwe
parents: 6379
diff changeset
3428 \n\
ac3d67504f85 [project @ 2007-03-02 22:08:06 by jwe]
jwe
parents: 6379
diff changeset
3429 @example\n\
6926
c05fbb1b7e1f [project @ 2007-09-26 19:56:54 by dbateman]
dbateman
parents: 6657
diff changeset
3430 autoload (\"foo\", \"bar.oct\");\n\
6380
ac3d67504f85 [project @ 2007-03-02 22:08:06 by jwe]
jwe
parents: 6379
diff changeset
3431 @end example\n\
ac3d67504f85 [project @ 2007-03-02 22:08:06 by jwe]
jwe
parents: 6379
diff changeset
3432 \n\
11572
7d6d8c1e471f Grammarcheck Texinfo for files in src directory.
Rik <octave@nomad.inbox5.com>
parents: 11523
diff changeset
3433 @noindent\n\
9038
fca0dc2fb042 Cleanup documentation files stmt.texi and func.texi
Rik <rdrider0-list@yahoo.com>
parents: 8974
diff changeset
3434 will load the function @code{foo} from the file @code{bar.oct}. The above\n\
6926
c05fbb1b7e1f [project @ 2007-09-26 19:56:54 by dbateman]
dbateman
parents: 6657
diff changeset
3435 when @code{bar.oct} is not in the same directory or uses like\n\
6380
ac3d67504f85 [project @ 2007-03-02 22:08:06 by jwe]
jwe
parents: 6379
diff changeset
3436 \n\
ac3d67504f85 [project @ 2007-03-02 22:08:06 by jwe]
jwe
parents: 6379
diff changeset
3437 @example\n\
6637
c18ed0e7ee41 [project @ 2007-05-21 19:12:46 by jwe]
jwe
parents: 6431
diff changeset
3438 autoload (\"foo\", file_in_loadpath (\"bar.oct\"))\n\
6380
ac3d67504f85 [project @ 2007-03-02 22:08:06 by jwe]
jwe
parents: 6379
diff changeset
3439 @end example\n\
ac3d67504f85 [project @ 2007-03-02 22:08:06 by jwe]
jwe
parents: 6379
diff changeset
3440 \n\
ac3d67504f85 [project @ 2007-03-02 22:08:06 by jwe]
jwe
parents: 6379
diff changeset
3441 @noindent\n\
6926
c05fbb1b7e1f [project @ 2007-09-26 19:56:54 by dbateman]
dbateman
parents: 6657
diff changeset
3442 are strongly discouraged, as their behavior might be unpredictable.\n\
6380
ac3d67504f85 [project @ 2007-03-02 22:08:06 by jwe]
jwe
parents: 6379
diff changeset
3443 \n\
6637
c18ed0e7ee41 [project @ 2007-05-21 19:12:46 by jwe]
jwe
parents: 6431
diff changeset
3444 With no arguments, return a structure containing the current autoload map.\n\
6380
ac3d67504f85 [project @ 2007-03-02 22:08:06 by jwe]
jwe
parents: 6379
diff changeset
3445 @seealso{PKG_ADD}\n\
5484
2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe]
jwe
parents: 5472
diff changeset
3446 @end deftypefn")
2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe]
jwe
parents: 5472
diff changeset
3447 {
5626
3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe]
jwe
parents: 5615
diff changeset
3448 octave_value retval;
5484
2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe]
jwe
parents: 5472
diff changeset
3449
2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe]
jwe
parents: 5472
diff changeset
3450 int nargin = args.length ();
2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe]
jwe
parents: 5472
diff changeset
3451
5626
3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe]
jwe
parents: 5615
diff changeset
3452 if (nargin == 0)
3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe]
jwe
parents: 5615
diff changeset
3453 {
10350
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10315
diff changeset
3454 Cell func_names (dim_vector (autoload_map.size (), 1));
12884915a8e4 merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents: 10315
diff changeset
3455 Cell file_names (dim_vector (autoload_map.size (), 1));
5626
3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe]
jwe
parents: 5615
diff changeset
3456
3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe]
jwe
parents: 5615
diff changeset
3457 octave_idx_type i = 0;
3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe]
jwe
parents: 5615
diff changeset
3458 typedef std::map<std::string, std::string>::const_iterator am_iter;
3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe]
jwe
parents: 5615
diff changeset
3459 for (am_iter p = autoload_map.begin (); p != autoload_map.end (); p++)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3460 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3461 func_names(i) = p->first;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3462 file_names(i) = p->second;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3463
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3464 i++;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3465 }
5626
3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe]
jwe
parents: 5615
diff changeset
3466
11060
54697b37d8bf replace Octave_map->octave_scalar_map in oct-parse.yy and ov-fcn-handle.cc
Jaroslav Hajek <highegg@gmail.com>
parents: 10879
diff changeset
3467 octave_map m;
5626
3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe]
jwe
parents: 5615
diff changeset
3468
3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe]
jwe
parents: 5615
diff changeset
3469 m.assign ("function", func_names);
3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe]
jwe
parents: 5615
diff changeset
3470 m.assign ("file", file_names);
3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe]
jwe
parents: 5615
diff changeset
3471
3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe]
jwe
parents: 5615
diff changeset
3472 retval = m;
3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe]
jwe
parents: 5615
diff changeset
3473 }
3236b4d98fde [project @ 2006-02-15 20:25:39 by jwe]
jwe
parents: 5615
diff changeset
3474 else if (nargin == 2)
5484
2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe]
jwe
parents: 5472
diff changeset
3475 {
2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe]
jwe
parents: 5472
diff changeset
3476 string_vector argv = args.make_argv ("autoload");
2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe]
jwe
parents: 5472
diff changeset
3477
2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe]
jwe
parents: 5472
diff changeset
3478 if (! error_state)
6380
ac3d67504f85 [project @ 2007-03-02 22:08:06 by jwe]
jwe
parents: 6379
diff changeset
3479 {
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3480 std::string nm = argv[2];
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3481
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3482 if (! octave_env::absolute_pathname (nm))
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3483 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3484 octave_user_code *fcn = octave_call_stack::caller_user_code ();
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3485
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3486 bool found = false;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3487
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3488 if (fcn)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3489 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3490 std::string fname = fcn->fcn_file_name ();
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3491
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3492 if (! fname.empty ())
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3493 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3494 fname = octave_env::make_absolute (fname);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3495 fname = fname.substr (0, fname.find_last_of (file_ops::dir_sep_str ()) + 1);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3496
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3497 file_stat fs (fname + nm);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3498
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3499 if (fs.exists ())
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3500 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3501 nm = fname + nm;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3502 found = true;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3503 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3504 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3505 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3506 if (! found)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3507 warning_with_id ("Octave:autoload-relative-file-name",
15466
d174210ce1ec use ' instead of ` in error messages, warnings and most comments
John W. Eaton <jwe@octave.org>
parents: 14189
diff changeset
3508 "autoload: '%s' is not an absolute file name",
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3509 nm.c_str ());
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3510 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3511 autoload_map[argv[1]] = nm;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3512 }
5484
2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe]
jwe
parents: 5472
diff changeset
3513 }
2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe]
jwe
parents: 5472
diff changeset
3514 else
5823
080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe]
jwe
parents: 5794
diff changeset
3515 print_usage ();
5484
2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe]
jwe
parents: 5472
diff changeset
3516
2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe]
jwe
parents: 5472
diff changeset
3517 return retval;
2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe]
jwe
parents: 5472
diff changeset
3518 }
2ff5363a16bd [project @ 2005-10-06 17:12:12 by jwe]
jwe
parents: 5472
diff changeset
3519
4486
6ceba1f351fb [project @ 2003-08-22 16:49:46 by jwe]
jwe
parents: 4463
diff changeset
3520 void
7715
5b4d278ec828 parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents: 7699
diff changeset
3521 source_file (const std::string& file_name, const std::string& context,
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3522 bool verbose, bool require_file, const std::string& warn_for)
4486
6ceba1f351fb [project @ 2003-08-22 16:49:46 by jwe]
jwe
parents: 4463
diff changeset
3523 {
10578
cb0883127251 limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents: 10570
diff changeset
3524 // Map from absolute name of script file to recursion level. We
cb0883127251 limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents: 10570
diff changeset
3525 // use a map instead of simply placing a limit on recursion in the
cb0883127251 limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents: 10570
diff changeset
3526 // source_file function so that two mutually recursive scripts
cb0883127251 limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents: 10570
diff changeset
3527 // written as
cb0883127251 limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents: 10570
diff changeset
3528 //
cb0883127251 limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents: 10570
diff changeset
3529 // foo1.m:
cb0883127251 limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents: 10570
diff changeset
3530 // ------
cb0883127251 limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents: 10570
diff changeset
3531 // foo2
cb0883127251 limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents: 10570
diff changeset
3532 //
cb0883127251 limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents: 10570
diff changeset
3533 // foo2.m:
cb0883127251 limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents: 10570
diff changeset
3534 // ------
cb0883127251 limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents: 10570
diff changeset
3535 // foo1
cb0883127251 limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents: 10570
diff changeset
3536 //
cb0883127251 limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents: 10570
diff changeset
3537 // and called with
cb0883127251 limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents: 10570
diff changeset
3538 //
cb0883127251 limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents: 10570
diff changeset
3539 // foo1
cb0883127251 limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents: 10570
diff changeset
3540 //
cb0883127251 limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents: 10570
diff changeset
3541 // (for example) will behave the same if they are written as
cb0883127251 limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents: 10570
diff changeset
3542 //
cb0883127251 limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents: 10570
diff changeset
3543 // foo1.m:
cb0883127251 limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents: 10570
diff changeset
3544 // ------
cb0883127251 limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents: 10570
diff changeset
3545 // source ("foo2.m")
cb0883127251 limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents: 10570
diff changeset
3546 //
cb0883127251 limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents: 10570
diff changeset
3547 // foo2.m:
cb0883127251 limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents: 10570
diff changeset
3548 // ------
cb0883127251 limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents: 10570
diff changeset
3549 // source ("foo1.m")
cb0883127251 limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents: 10570
diff changeset
3550 //
cb0883127251 limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents: 10570
diff changeset
3551 // and called with
cb0883127251 limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents: 10570
diff changeset
3552 //
cb0883127251 limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents: 10570
diff changeset
3553 // source ("foo1.m")
cb0883127251 limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents: 10570
diff changeset
3554 //
cb0883127251 limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents: 10570
diff changeset
3555 // (for example).
cb0883127251 limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents: 10570
diff changeset
3556
cb0883127251 limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents: 10570
diff changeset
3557 static std::map<std::string, int> source_call_depth;
cb0883127251 limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents: 10570
diff changeset
3558
4486
6ceba1f351fb [project @ 2003-08-22 16:49:46 by jwe]
jwe
parents: 4463
diff changeset
3559 std::string file_full_name = file_ops::tilde_expand (file_name);
6ceba1f351fb [project @ 2003-08-22 16:49:46 by jwe]
jwe
parents: 4463
diff changeset
3560
10578
cb0883127251 limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents: 10570
diff changeset
3561 file_full_name = octave_env::make_absolute (file_full_name);
cb0883127251 limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents: 10570
diff changeset
3562
10067
6f79338c269b omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents: 9794
diff changeset
3563 unwind_protect frame;
6f79338c269b omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents: 9794
diff changeset
3564
10578
cb0883127251 limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents: 10570
diff changeset
3565 if (source_call_depth.find (file_full_name) == source_call_depth.end ())
cb0883127251 limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents: 10570
diff changeset
3566 source_call_depth[file_full_name] = -1;
cb0883127251 limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents: 10570
diff changeset
3567
cb0883127251 limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents: 10570
diff changeset
3568 frame.protect_var (source_call_depth[file_full_name]);
cb0883127251 limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents: 10570
diff changeset
3569
cb0883127251 limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents: 10570
diff changeset
3570 source_call_depth[file_full_name]++;
cb0883127251 limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents: 10570
diff changeset
3571
cb0883127251 limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents: 10570
diff changeset
3572 if (source_call_depth[file_full_name] >= Vmax_recursion_depth)
cb0883127251 limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents: 10570
diff changeset
3573 {
cb0883127251 limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents: 10570
diff changeset
3574 error ("max_recursion_depth exceeded");
cb0883127251 limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents: 10570
diff changeset
3575 return;
cb0883127251 limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents: 10570
diff changeset
3576 }
cb0883127251 limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents: 10570
diff changeset
3577
5975
e64059303a6f [project @ 2006-08-29 16:37:39 by jwe]
jwe
parents: 5932
diff changeset
3578 if (! context.empty ())
e64059303a6f [project @ 2006-08-29 16:37:39 by jwe]
jwe
parents: 5932
diff changeset
3579 {
e64059303a6f [project @ 2006-08-29 16:37:39 by jwe]
jwe
parents: 5932
diff changeset
3580 if (context == "caller")
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3581 octave_call_stack::goto_caller_frame ();
5975
e64059303a6f [project @ 2006-08-29 16:37:39 by jwe]
jwe
parents: 5932
diff changeset
3582 else if (context == "base")
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3583 octave_call_stack::goto_base_frame ();
5975
e64059303a6f [project @ 2006-08-29 16:37:39 by jwe]
jwe
parents: 5932
diff changeset
3584 else
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3585 error ("source: context must be \"caller\" or \"base\"");
7336
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe]
jwe
parents: 7017
diff changeset
3586
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe]
jwe
parents: 7017
diff changeset
3587 if (! error_state)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3588 frame.add_fcn (octave_call_stack::pop);
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
3589 }
5975
e64059303a6f [project @ 2006-08-29 16:37:39 by jwe]
jwe
parents: 5932
diff changeset
3590
e64059303a6f [project @ 2006-08-29 16:37:39 by jwe]
jwe
parents: 5932
diff changeset
3591 if (! error_state)
e64059303a6f [project @ 2006-08-29 16:37:39 by jwe]
jwe
parents: 5932
diff changeset
3592 {
16203
127cccb037bf move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents: 16199
diff changeset
3593 octave_function *fcn = parse_fcn_file (file_full_name, file_name,
127cccb037bf move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents: 16199
diff changeset
3594 "", require_file, true,
127cccb037bf move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents: 16199
diff changeset
3595 false, false, warn_for);
7715
5b4d278ec828 parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents: 7699
diff changeset
3596
5b4d278ec828 parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents: 7699
diff changeset
3597 if (! error_state)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3598 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3599 if (fcn && fcn->is_user_script ())
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3600 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3601 octave_value_list args;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3602
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3603 if (verbose)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3604 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3605 std::cout << "executing commands from " << file_full_name << " ... ";
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3606 reading_startup_message_printed = true;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3607 std::cout.flush ();
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3608 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3609
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3610 fcn->do_multi_index_op (0, args);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3611
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3612 if (verbose)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3613 std::cout << "done." << std::endl;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3614
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3615 delete fcn;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3616 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3617 }
7715
5b4d278ec828 parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents: 7699
diff changeset
3618 else
15466
d174210ce1ec use ' instead of ` in error messages, warnings and most comments
John W. Eaton <jwe@octave.org>
parents: 14189
diff changeset
3619 error ("source: error sourcing file '%s'",
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3620 file_full_name.c_str ());
5975
e64059303a6f [project @ 2006-08-29 16:37:39 by jwe]
jwe
parents: 5932
diff changeset
3621 }
4486
6ceba1f351fb [project @ 2003-08-22 16:49:46 by jwe]
jwe
parents: 4463
diff changeset
3622 }
6ceba1f351fb [project @ 2003-08-22 16:49:46 by jwe]
jwe
parents: 4463
diff changeset
3623
5739
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe]
jwe
parents: 5667
diff changeset
3624 DEFUN (mfilename, args, ,
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe]
jwe
parents: 5667
diff changeset
3625 "-*- texinfo -*-\n\
11572
7d6d8c1e471f Grammarcheck Texinfo for files in src directory.
Rik <octave@nomad.inbox5.com>
parents: 11523
diff changeset
3626 @deftypefn {Built-in Function} {} mfilename ()\n\
12719
7b5bfd6a8e28 doc: Don't use @code macro within @deftypefn macro
Rik <octave@nomad.inbox5.com>
parents: 12483
diff changeset
3627 @deftypefnx {Built-in Function} {} mfilename (\"fullpath\")\n\
7b5bfd6a8e28 doc: Don't use @code macro within @deftypefn macro
Rik <octave@nomad.inbox5.com>
parents: 12483
diff changeset
3628 @deftypefnx {Built-in Function} {} mfilename (\"fullpathext\")\n\
5739
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe]
jwe
parents: 5667
diff changeset
3629 Return the name of the currently executing file. At the top-level,\n\
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe]
jwe
parents: 5667
diff changeset
3630 return the empty string. Given the argument @code{\"fullpath\"},\n\
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe]
jwe
parents: 5667
diff changeset
3631 include the directory part of the file name, but not the extension.\n\
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe]
jwe
parents: 5667
diff changeset
3632 Given the argument @code{\"fullpathext\"}, include the directory part\n\
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe]
jwe
parents: 5667
diff changeset
3633 of the file name and the extension.\n\
5774
e7af222e98b0 [project @ 2006-04-24 17:45:31 by jwe]
jwe
parents: 5765
diff changeset
3634 @end deftypefn")
5739
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe]
jwe
parents: 5667
diff changeset
3635 {
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe]
jwe
parents: 5667
diff changeset
3636 octave_value retval;
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe]
jwe
parents: 5667
diff changeset
3637
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe]
jwe
parents: 5667
diff changeset
3638 int nargin = args.length ();
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe]
jwe
parents: 5667
diff changeset
3639
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe]
jwe
parents: 5667
diff changeset
3640 if (nargin > 1)
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe]
jwe
parents: 5667
diff changeset
3641 {
5823
080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe]
jwe
parents: 5794
diff changeset
3642 print_usage ();
5739
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe]
jwe
parents: 5667
diff changeset
3643 return retval;
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe]
jwe
parents: 5667
diff changeset
3644 }
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe]
jwe
parents: 5667
diff changeset
3645
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe]
jwe
parents: 5667
diff changeset
3646 std::string arg;
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe]
jwe
parents: 5667
diff changeset
3647
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe]
jwe
parents: 5667
diff changeset
3648 if (nargin == 1)
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe]
jwe
parents: 5667
diff changeset
3649 {
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe]
jwe
parents: 5667
diff changeset
3650 arg = args(0).string_value ();
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe]
jwe
parents: 5667
diff changeset
3651
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe]
jwe
parents: 5667
diff changeset
3652 if (error_state)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3653 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3654 error ("mfilename: expecting argument to be a character string");
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3655 return retval;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3656 }
5739
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe]
jwe
parents: 5667
diff changeset
3657 }
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe]
jwe
parents: 5667
diff changeset
3658
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe]
jwe
parents: 5667
diff changeset
3659 std::string fname;
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe]
jwe
parents: 5667
diff changeset
3660
7719
87eda1f8faaa octave_user_code: new base class for octave_user_script and octave_user_function
John W. Eaton <jwe@octave.org>
parents: 7715
diff changeset
3661 octave_user_code *fcn = octave_call_stack::caller_user_code ();
5743
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe]
jwe
parents: 5739
diff changeset
3662
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe]
jwe
parents: 5739
diff changeset
3663 if (fcn)
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe]
jwe
parents: 5739
diff changeset
3664 {
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe]
jwe
parents: 5739
diff changeset
3665 fname = fcn->fcn_file_name ();
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe]
jwe
parents: 5739
diff changeset
3666
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe]
jwe
parents: 5739
diff changeset
3667 if (fname.empty ())
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe]
jwe
parents: 5739
diff changeset
3668 fname = fcn->name ();
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe]
jwe
parents: 5739
diff changeset
3669 }
5739
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe]
jwe
parents: 5667
diff changeset
3670
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe]
jwe
parents: 5667
diff changeset
3671 if (arg == "fullpathext")
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe]
jwe
parents: 5667
diff changeset
3672 retval = fname;
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe]
jwe
parents: 5667
diff changeset
3673 else
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe]
jwe
parents: 5667
diff changeset
3674 {
8007
a2ab20ba78f7 make file_ops a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 8001
diff changeset
3675 size_t dpos = fname.rfind (file_ops::dir_sep_char ());
5747
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe]
jwe
parents: 5744
diff changeset
3676 size_t epos = fname.rfind ('.');
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe]
jwe
parents: 5744
diff changeset
3677
b09d4d0f5b63 [project @ 2006-04-07 06:43:10 by jwe]
jwe
parents: 5744
diff changeset
3678 if (epos <= dpos)
8021
85184151822e fix typo in NPOS change
John W. Eaton <jwe@octave.org>
parents: 8019
diff changeset
3679 epos = std::string::npos;
85184151822e fix typo in NPOS change
John W. Eaton <jwe@octave.org>
parents: 8019
diff changeset
3680
85184151822e fix typo in NPOS change
John W. Eaton <jwe@octave.org>
parents: 8019
diff changeset
3681 fname = (epos != std::string::npos) ? fname.substr (0, epos) : fname;
5739
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe]
jwe
parents: 5667
diff changeset
3682
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe]
jwe
parents: 5667
diff changeset
3683 if (arg == "fullpath")
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3684 retval = fname;
5739
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe]
jwe
parents: 5667
diff changeset
3685 else
8021
85184151822e fix typo in NPOS change
John W. Eaton <jwe@octave.org>
parents: 8019
diff changeset
3686 retval = (dpos != std::string::npos) ? fname.substr (dpos+1) : fname;
5739
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe]
jwe
parents: 5667
diff changeset
3687 }
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe]
jwe
parents: 5667
diff changeset
3688
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe]
jwe
parents: 5667
diff changeset
3689 return retval;
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe]
jwe
parents: 5667
diff changeset
3690 }
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe]
jwe
parents: 5667
diff changeset
3691
d090d39bb82c [project @ 2006-04-05 06:56:24 by jwe]
jwe
parents: 5667
diff changeset
3692
3021
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3693 DEFUN (source, args, ,
3371
86873384cd10 [project @ 1999-11-21 17:31:07 by jwe]
jwe
parents: 3366
diff changeset
3694 "-*- texinfo -*-\n\
86873384cd10 [project @ 1999-11-21 17:31:07 by jwe]
jwe
parents: 3366
diff changeset
3695 @deftypefn {Built-in Function} {} source (@var{file})\n\
86873384cd10 [project @ 1999-11-21 17:31:07 by jwe]
jwe
parents: 3366
diff changeset
3696 Parse and execute the contents of @var{file}. This is equivalent to\n\
86873384cd10 [project @ 1999-11-21 17:31:07 by jwe]
jwe
parents: 3366
diff changeset
3697 executing commands from a script file, but without requiring the file to\n\
86873384cd10 [project @ 1999-11-21 17:31:07 by jwe]
jwe
parents: 3366
diff changeset
3698 be named @file{@var{file}.m}.\n\
86873384cd10 [project @ 1999-11-21 17:31:07 by jwe]
jwe
parents: 3366
diff changeset
3699 @end deftypefn")
3021
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3700 {
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3701 octave_value_list retval;
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3702
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3703 int nargin = args.length ();
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3704
5975
e64059303a6f [project @ 2006-08-29 16:37:39 by jwe]
jwe
parents: 5932
diff changeset
3705 if (nargin == 1 || nargin == 2)
3021
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3706 {
3523
b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe]
jwe
parents: 3489
diff changeset
3707 std::string file_name = args(0).string_value ();
3021
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3708
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3709 if (! error_state)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3710 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3711 std::string context;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3712
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3713 if (nargin == 2)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3714 context = args(1).string_value ();
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3715
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3716 if (! error_state)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3717 source_file (file_name, context);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3718 else
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3719 error ("source: expecting context to be character string");
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3720 }
3021
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3721 else
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3722 error ("source: expecting file name as argument");
3021
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3723 }
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3724 else
5823
080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe]
jwe
parents: 5794
diff changeset
3725 print_usage ();
3021
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3726
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3727 return retval;
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3728 }
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3729
3726
b7d997d593d9 [project @ 2000-10-27 17:51:21 by jwe]
jwe
parents: 3712
diff changeset
3730 // Evaluate an Octave function (built-in or interpreted) and return
3844
87f85453b6b7 [project @ 2001-07-23 20:07:45 by jwe]
jwe
parents: 3815
diff changeset
3731 // the list of result values. NAME is the name of the function to
87f85453b6b7 [project @ 2001-07-23 20:07:45 by jwe]
jwe
parents: 3815
diff changeset
3732 // call. ARGS are the arguments to the function. NARGOUT is the
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
3733 // number of output arguments expected.
3726
b7d997d593d9 [project @ 2000-10-27 17:51:21 by jwe]
jwe
parents: 3712
diff changeset
3734
3021
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3735 octave_value_list
3523
b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe]
jwe
parents: 3489
diff changeset
3736 feval (const std::string& name, const octave_value_list& args, int nargout)
3156
a494f93e60ff [project @ 1998-02-20 07:47:48 by jwe]
jwe
parents: 3110
diff changeset
3737 {
a494f93e60ff [project @ 1998-02-20 07:47:48 by jwe]
jwe
parents: 3110
diff changeset
3738 octave_value_list retval;
a494f93e60ff [project @ 1998-02-20 07:47:48 by jwe]
jwe
parents: 3110
diff changeset
3739
7336
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe]
jwe
parents: 7017
diff changeset
3740 octave_value fcn = symbol_table::find_function (name, args);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe]
jwe
parents: 7017
diff changeset
3741
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe]
jwe
parents: 7017
diff changeset
3742 if (fcn.is_defined ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe]
jwe
parents: 7017
diff changeset
3743 retval = fcn.do_multi_index_op (nargout, args);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe]
jwe
parents: 7017
diff changeset
3744 else
10443
34e51d4e199b implement smart warnings about missing Matlab functionality
Jaroslav Hajek <highegg@gmail.com>
parents: 10426
diff changeset
3745 {
34e51d4e199b implement smart warnings about missing Matlab functionality
Jaroslav Hajek <highegg@gmail.com>
parents: 10426
diff changeset
3746 maybe_missing_function_hook (name);
34e51d4e199b implement smart warnings about missing Matlab functionality
Jaroslav Hajek <highegg@gmail.com>
parents: 10426
diff changeset
3747 if (! error_state)
15466
d174210ce1ec use ' instead of ` in error messages, warnings and most comments
John W. Eaton <jwe@octave.org>
parents: 14189
diff changeset
3748 error ("feval: function '%s' not found", name.c_str ());
10443
34e51d4e199b implement smart warnings about missing Matlab functionality
Jaroslav Hajek <highegg@gmail.com>
parents: 10426
diff changeset
3749 }
3156
a494f93e60ff [project @ 1998-02-20 07:47:48 by jwe]
jwe
parents: 3110
diff changeset
3750
a494f93e60ff [project @ 1998-02-20 07:47:48 by jwe]
jwe
parents: 3110
diff changeset
3751 return retval;
a494f93e60ff [project @ 1998-02-20 07:47:48 by jwe]
jwe
parents: 3110
diff changeset
3752 }
a494f93e60ff [project @ 1998-02-20 07:47:48 by jwe]
jwe
parents: 3110
diff changeset
3753
4342
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe]
jwe
parents: 4318
diff changeset
3754 octave_value_list
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe]
jwe
parents: 4318
diff changeset
3755 feval (octave_function *fcn, const octave_value_list& args, int nargout)
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe]
jwe
parents: 4318
diff changeset
3756 {
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe]
jwe
parents: 4318
diff changeset
3757 octave_value_list retval;
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe]
jwe
parents: 4318
diff changeset
3758
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe]
jwe
parents: 4318
diff changeset
3759 if (fcn)
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe]
jwe
parents: 4318
diff changeset
3760 retval = fcn->do_multi_index_op (nargout, args);
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe]
jwe
parents: 4318
diff changeset
3761
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe]
jwe
parents: 4318
diff changeset
3762 return retval;
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe]
jwe
parents: 4318
diff changeset
3763 }
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe]
jwe
parents: 4318
diff changeset
3764
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe]
jwe
parents: 4318
diff changeset
3765 static octave_value_list
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe]
jwe
parents: 4318
diff changeset
3766 get_feval_args (const octave_value_list& args)
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe]
jwe
parents: 4318
diff changeset
3767 {
10659
8baff2aceabc fix slicing value lists with name tags (bug #29960)
Jaroslav Hajek <highegg@gmail.com>
parents: 10578
diff changeset
3768 return args.slice (1, args.length () - 1, true);
4342
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe]
jwe
parents: 4318
diff changeset
3769 }
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe]
jwe
parents: 4318
diff changeset
3770
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe]
jwe
parents: 4318
diff changeset
3771
3726
b7d997d593d9 [project @ 2000-10-27 17:51:21 by jwe]
jwe
parents: 3712
diff changeset
3772 // Evaluate an Octave function (built-in or interpreted) and return
b7d997d593d9 [project @ 2000-10-27 17:51:21 by jwe]
jwe
parents: 3712
diff changeset
3773 // the list of result values. The first element of ARGS should be a
b7d997d593d9 [project @ 2000-10-27 17:51:21 by jwe]
jwe
parents: 3712
diff changeset
3774 // string containing the name of the function to call, then the rest
b7d997d593d9 [project @ 2000-10-27 17:51:21 by jwe]
jwe
parents: 3712
diff changeset
3775 // are the actual arguments to the function. NARGOUT is the number of
b7d997d593d9 [project @ 2000-10-27 17:51:21 by jwe]
jwe
parents: 3712
diff changeset
3776 // output arguments expected.
b7d997d593d9 [project @ 2000-10-27 17:51:21 by jwe]
jwe
parents: 3712
diff changeset
3777
3156
a494f93e60ff [project @ 1998-02-20 07:47:48 by jwe]
jwe
parents: 3110
diff changeset
3778 octave_value_list
3021
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3779 feval (const octave_value_list& args, int nargout)
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3780 {
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3781 octave_value_list retval;
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3782
4342
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe]
jwe
parents: 4318
diff changeset
3783 int nargin = args.length ();
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe]
jwe
parents: 4318
diff changeset
3784
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe]
jwe
parents: 4318
diff changeset
3785 if (nargin > 0)
3021
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3786 {
4342
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe]
jwe
parents: 4318
diff changeset
3787 octave_value f_arg = args(0);
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe]
jwe
parents: 4318
diff changeset
3788
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe]
jwe
parents: 4318
diff changeset
3789 if (f_arg.is_string ())
813effe14ee1 [project @ 2003-02-20 08:35:55 by jwe]
jwe
parents: 4318
diff changeset
3790 {
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3791 std::string name = f_arg.string_value ();
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3792
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3793 if (! error_state)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3794 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3795 octave_value_list tmp_args = get_feval_args (args);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3796
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3797 retval = feval (name, tmp_args, nargout);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3798 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3799 }
13241
2a8dcb5b3a00 improve default indexing for objects
John W. Eaton <jwe@octave.org>
parents: 13237
diff changeset
3800 else if (f_arg.is_function_handle ()
2a8dcb5b3a00 improve default indexing for objects
John W. Eaton <jwe@octave.org>
parents: 13237
diff changeset
3801 || f_arg.is_anonymous_function ()
2a8dcb5b3a00 improve default indexing for objects
John W. Eaton <jwe@octave.org>
parents: 13237
diff changeset
3802 || f_arg.is_inline_function ())
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3803 {
10492
a6b64a7a3769 make feval work with overloaded handles
Jaroslav Hajek <highegg@gmail.com>
parents: 10463
diff changeset
3804 const octave_value_list tmp_args = get_feval_args (args);
a6b64a7a3769 make feval work with overloaded handles
Jaroslav Hajek <highegg@gmail.com>
parents: 10463
diff changeset
3805
a6b64a7a3769 make feval work with overloaded handles
Jaroslav Hajek <highegg@gmail.com>
parents: 10463
diff changeset
3806 retval = f_arg.do_multi_index_op (nargout, tmp_args);
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3807 }
10492
a6b64a7a3769 make feval work with overloaded handles
Jaroslav Hajek <highegg@gmail.com>
parents: 10463
diff changeset
3808 else
a6b64a7a3769 make feval work with overloaded handles
Jaroslav Hajek <highegg@gmail.com>
parents: 10463
diff changeset
3809 error ("feval: first argument must be a string, inline function or a function handle");
3021
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3810 }
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3811
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3812 return retval;
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3813 }
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3814
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3815 DEFUN (feval, args, nargout,
3371
86873384cd10 [project @ 1999-11-21 17:31:07 by jwe]
jwe
parents: 3366
diff changeset
3816 "-*- texinfo -*-\n\
86873384cd10 [project @ 1999-11-21 17:31:07 by jwe]
jwe
parents: 3366
diff changeset
3817 @deftypefn {Built-in Function} {} feval (@var{name}, @dots{})\n\
86873384cd10 [project @ 1999-11-21 17:31:07 by jwe]
jwe
parents: 3366
diff changeset
3818 Evaluate the function named @var{name}. Any arguments after the first\n\
86873384cd10 [project @ 1999-11-21 17:31:07 by jwe]
jwe
parents: 3366
diff changeset
3819 are passed on to the named function. For example,\n\
86873384cd10 [project @ 1999-11-21 17:31:07 by jwe]
jwe
parents: 3366
diff changeset
3820 \n\
86873384cd10 [project @ 1999-11-21 17:31:07 by jwe]
jwe
parents: 3366
diff changeset
3821 @example\n\
11572
7d6d8c1e471f Grammarcheck Texinfo for files in src directory.
Rik <octave@nomad.inbox5.com>
parents: 11523
diff changeset
3822 @group\n\
3371
86873384cd10 [project @ 1999-11-21 17:31:07 by jwe]
jwe
parents: 3366
diff changeset
3823 feval (\"acos\", -1)\n\
86873384cd10 [project @ 1999-11-21 17:31:07 by jwe]
jwe
parents: 3366
diff changeset
3824 @result{} 3.1416\n\
11572
7d6d8c1e471f Grammarcheck Texinfo for files in src directory.
Rik <octave@nomad.inbox5.com>
parents: 11523
diff changeset
3825 @end group\n\
3371
86873384cd10 [project @ 1999-11-21 17:31:07 by jwe]
jwe
parents: 3366
diff changeset
3826 @end example\n\
3021
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3827 \n\
3371
86873384cd10 [project @ 1999-11-21 17:31:07 by jwe]
jwe
parents: 3366
diff changeset
3828 @noindent\n\
86873384cd10 [project @ 1999-11-21 17:31:07 by jwe]
jwe
parents: 3366
diff changeset
3829 calls the function @code{acos} with the argument @samp{-1}.\n\
86873384cd10 [project @ 1999-11-21 17:31:07 by jwe]
jwe
parents: 3366
diff changeset
3830 \n\
12946
8b5b85e26246 octave-parse.yy (feval): Update docstring to refer to function handles.
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents: 12918
diff changeset
3831 The function @code{feval} can also be used with function handles of\n\
13019
1653d3a86fca doc: Fix warnings and errors in Texinfo required for building docs on stable branch.
Rik <octave@nomad.inbox5.com>
parents: 12946
diff changeset
3832 any sort (@pxref{Function Handles}). Historically, @code{feval} was\n\
12946
8b5b85e26246 octave-parse.yy (feval): Update docstring to refer to function handles.
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents: 12918
diff changeset
3833 the only way to call user-supplied functions in strings, but\n\
8b5b85e26246 octave-parse.yy (feval): Update docstring to refer to function handles.
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents: 12918
diff changeset
3834 function handles are now preferred due to the cleaner syntax they\n\
13019
1653d3a86fca doc: Fix warnings and errors in Texinfo required for building docs on stable branch.
Rik <octave@nomad.inbox5.com>
parents: 12946
diff changeset
3835 offer. For example,\n\
12946
8b5b85e26246 octave-parse.yy (feval): Update docstring to refer to function handles.
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents: 12918
diff changeset
3836 \n\
8b5b85e26246 octave-parse.yy (feval): Update docstring to refer to function handles.
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents: 12918
diff changeset
3837 @example\n\
8b5b85e26246 octave-parse.yy (feval): Update docstring to refer to function handles.
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents: 12918
diff changeset
3838 @group\n\
8b5b85e26246 octave-parse.yy (feval): Update docstring to refer to function handles.
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents: 12918
diff changeset
3839 @var{f} = @@exp;\n\
8b5b85e26246 octave-parse.yy (feval): Update docstring to refer to function handles.
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents: 12918
diff changeset
3840 feval (@var{f}, 1)\n\
14360
97883071e8e4 doc: Correct off-by-1 spacings in all .cc docstrings
Rik <octave@nomad.inbox5.com>
parents: 14329
diff changeset
3841 @result{} 2.7183\n\
12946
8b5b85e26246 octave-parse.yy (feval): Update docstring to refer to function handles.
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents: 12918
diff changeset
3842 @var{f} (1)\n\
14360
97883071e8e4 doc: Correct off-by-1 spacings in all .cc docstrings
Rik <octave@nomad.inbox5.com>
parents: 14329
diff changeset
3843 @result{} 2.7183\n\
12946
8b5b85e26246 octave-parse.yy (feval): Update docstring to refer to function handles.
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents: 12918
diff changeset
3844 @end group\n\
8b5b85e26246 octave-parse.yy (feval): Update docstring to refer to function handles.
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents: 12918
diff changeset
3845 @end example\n\
8b5b85e26246 octave-parse.yy (feval): Update docstring to refer to function handles.
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents: 12918
diff changeset
3846 \n\
8b5b85e26246 octave-parse.yy (feval): Update docstring to refer to function handles.
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents: 12918
diff changeset
3847 @noindent\n\
13019
1653d3a86fca doc: Fix warnings and errors in Texinfo required for building docs on stable branch.
Rik <octave@nomad.inbox5.com>
parents: 12946
diff changeset
3848 are equivalent ways to call the function referred to by @var{f}. If it\n\
12946
8b5b85e26246 octave-parse.yy (feval): Update docstring to refer to function handles.
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents: 12918
diff changeset
3849 cannot be predicted beforehand that @var{f} is a function handle or the\n\
8b5b85e26246 octave-parse.yy (feval): Update docstring to refer to function handles.
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents: 12918
diff changeset
3850 function name in a string, @code{feval} can be used instead.\n\
3371
86873384cd10 [project @ 1999-11-21 17:31:07 by jwe]
jwe
parents: 3366
diff changeset
3851 @end deftypefn")
3021
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3852 {
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3853 octave_value_list retval;
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3854
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3855 int nargin = args.length ();
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3856
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3857 if (nargin > 0)
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3858 retval = feval (args, nargout);
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3859 else
5823
080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe]
jwe
parents: 5794
diff changeset
3860 print_usage ();
3021
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3861
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3862 return retval;
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3863 }
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3864
11225
8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents: 11138
diff changeset
3865 DEFUN (builtin, args, nargout,
8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents: 11138
diff changeset
3866 "-*- texinfo -*-\n\
8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents: 11138
diff changeset
3867 @deftypefn {Loadable Function} {[@dots{}]} builtin (@var{f}, @dots{})\n\
8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents: 11138
diff changeset
3868 Call the base function @var{f} even if @var{f} is overloaded to\n\
11388
027fbc389898 Remove seealso reference to deprecated function dispatch.
Rik <octave@nomad.inbox5.com>
parents: 11367
diff changeset
3869 another function for the given type signature.\n\
11225
8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents: 11138
diff changeset
3870 @end deftypefn")
8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents: 11138
diff changeset
3871 {
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
3872 octave_value_list retval;
11225
8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents: 11138
diff changeset
3873
8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents: 11138
diff changeset
3874 int nargin = args.length ();
8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents: 11138
diff changeset
3875
8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents: 11138
diff changeset
3876 if (nargin > 0)
8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents: 11138
diff changeset
3877 {
8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents: 11138
diff changeset
3878 const std::string name (args(0).string_value ());
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
3879
11225
8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents: 11138
diff changeset
3880 if (! error_state)
8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents: 11138
diff changeset
3881 {
8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents: 11138
diff changeset
3882 octave_value fcn = symbol_table::builtin_find (name);
8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents: 11138
diff changeset
3883
8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents: 11138
diff changeset
3884 if (fcn.is_defined ())
8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents: 11138
diff changeset
3885 retval = feval (fcn.function_value (), args.splice (0, 1),
8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents: 11138
diff changeset
3886 nargout);
8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents: 11138
diff changeset
3887 else
15466
d174210ce1ec use ' instead of ` in error messages, warnings and most comments
John W. Eaton <jwe@octave.org>
parents: 14189
diff changeset
3888 error ("builtin: lookup for symbol '%s' failed", name.c_str ());
11225
8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents: 11138
diff changeset
3889 }
8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents: 11138
diff changeset
3890 else
12483
7a5aacf65f81 Rewrite error strings in src/ to use variables named in documentation.
Rik <octave@nomad.inbox5.com>
parents: 12400
diff changeset
3891 error ("builtin: function name (F) must be a string");
11225
8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents: 11138
diff changeset
3892 }
8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents: 11138
diff changeset
3893 else
8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents: 11138
diff changeset
3894 print_usage ();
8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents: 11138
diff changeset
3895
8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents: 11138
diff changeset
3896 return retval;
8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents: 11138
diff changeset
3897 }
8d8e10058df6 move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents: 11138
diff changeset
3898
3099
8ce6fed79320 [project @ 1997-11-14 09:49:28 by jwe]
jwe
parents: 3095
diff changeset
3899 octave_value_list
16195
b52d2f9294b6 use class for reading lexer input
John W. Eaton <jwe@octave.org>
parents: 16187
diff changeset
3900 eval_string (const std::string& eval_str, bool silent,
b52d2f9294b6 use class for reading lexer input
John W. Eaton <jwe@octave.org>
parents: 16187
diff changeset
3901 int& parse_status, int nargout)
3021
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3902 {
3877
55648fc616c8 [project @ 2002-03-07 23:00:09 by jwe]
jwe
parents: 3844
diff changeset
3903 octave_value_list retval;
55648fc616c8 [project @ 2002-03-07 23:00:09 by jwe]
jwe
parents: 3844
diff changeset
3904
10067
6f79338c269b omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents: 9794
diff changeset
3905 unwind_protect frame;
6f79338c269b omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents: 9794
diff changeset
3906
16287
04a7953496a7 create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents: 16285
diff changeset
3907 // octave_base_parser constructor sets this for us.
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
3908 frame.protect_var (LEXER);
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
3909
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
3910 octave_parser parser (eval_str);
16195
b52d2f9294b6 use class for reading lexer input
John W. Eaton <jwe@octave.org>
parents: 16187
diff changeset
3911
3877
55648fc616c8 [project @ 2002-03-07 23:00:09 by jwe]
jwe
parents: 3844
diff changeset
3912 do
55648fc616c8 [project @ 2002-03-07 23:00:09 by jwe]
jwe
parents: 3844
diff changeset
3913 {
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
3914 parser.reset ();
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
3915
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
3916 parse_status = parser.run ();
3877
55648fc616c8 [project @ 2002-03-07 23:00:09 by jwe]
jwe
parents: 3844
diff changeset
3917
9260
9c2349a51218 properly unmark forced variables
John W. Eaton <jwe@octave.org>
parents: 9144
diff changeset
3918 // Unmark forced variables.
16177
a7669b4d27f6 eliminate global global_command variable
John W. Eaton <jwe@octave.org>
parents: 16174
diff changeset
3919 frame.run (1);
7903
8018e10d2b87 save and restore global_command as needed
John W. Eaton <jwe@octave.org>
parents: 7901
diff changeset
3920
3883
69b6bd271277 [project @ 2002-04-02 21:05:10 by jwe]
jwe
parents: 3881
diff changeset
3921 if (parse_status == 0)
3877
55648fc616c8 [project @ 2002-03-07 23:00:09 by jwe]
jwe
parents: 3844
diff changeset
3922 {
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
3923 if (parser.stmt_list)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3924 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3925 tree_statement *stmt = 0;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3926
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
3927 if (parser.stmt_list->length () == 1
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
3928 && (stmt = parser.stmt_list->front ())
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3929 && stmt->is_expression ())
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3930 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3931 tree_expression *expr = stmt->expression ();
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3932
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3933 if (silent)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3934 expr->set_print_flag (false);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3935
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3936 bool do_bind_ans = false;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3937
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3938 if (expr->is_identifier ())
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3939 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3940 tree_identifier *id
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3941 = dynamic_cast<tree_identifier *> (expr);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3942
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3943 do_bind_ans = (! id->is_variable ());
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3944 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3945 else
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3946 do_bind_ans = (! expr->is_assignment_expression ());
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3947
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3948 retval = expr->rvalue (nargout);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3949
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3950 if (do_bind_ans && ! (error_state || retval.empty ()))
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3951 bind_ans (retval(0), expr->print_result ());
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3952
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3953 if (nargout == 0)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3954 retval = octave_value_list ();
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3955 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3956 else if (nargout == 0)
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
3957 parser.stmt_list->accept (*current_evaluator);
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3958 else
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3959 error ("eval: invalid use of statement list");
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3960
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3961 if (error_state
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3962 || tree_return_command::returning
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3963 || tree_break_command::breaking
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3964 || tree_continue_command::continuing)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3965 break;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3966 }
16288
fe3b9a51e625 rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents: 16287
diff changeset
3967 else if (parser.lexer.end_of_input)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3968 break;
3883
69b6bd271277 [project @ 2002-04-02 21:05:10 by jwe]
jwe
parents: 3881
diff changeset
3969 }
3877
55648fc616c8 [project @ 2002-03-07 23:00:09 by jwe]
jwe
parents: 3844
diff changeset
3970 }
55648fc616c8 [project @ 2002-03-07 23:00:09 by jwe]
jwe
parents: 3844
diff changeset
3971 while (parse_status == 0);
3021
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3972
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3973 return retval;
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3974 }
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3975
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3976 octave_value
16195
b52d2f9294b6 use class for reading lexer input
John W. Eaton <jwe@octave.org>
parents: 16187
diff changeset
3977 eval_string (const std::string& eval_str, bool silent, int& parse_status)
3021
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3978 {
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3979 octave_value retval;
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3980
16195
b52d2f9294b6 use class for reading lexer input
John W. Eaton <jwe@octave.org>
parents: 16187
diff changeset
3981 octave_value_list tmp = eval_string (eval_str, silent, parse_status, 1);
3021
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3982
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3983 if (! tmp.empty ())
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3984 retval = tmp(0);
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3985
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3986 return retval;
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3987 }
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3988
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3989 static octave_value_list
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3990 eval_string (const octave_value& arg, bool silent, int& parse_status,
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
3991 int nargout)
3021
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3992 {
3523
b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe]
jwe
parents: 3489
diff changeset
3993 std::string s = arg.string_value ();
3021
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3994
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3995 if (error_state)
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3996 {
3523
b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe]
jwe
parents: 3489
diff changeset
3997 error ("eval: expecting std::string argument");
4233
ccfdb55c8156 [project @ 2002-12-20 22:43:54 by jwe]
jwe
parents: 4219
diff changeset
3998 return octave_value (-1);
3021
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
3999 }
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
4000
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
4001 return eval_string (s, silent, parse_status, nargout);
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
4002 }
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
4003
13970
c93b953f7d54 plug some memory leaks
John W. Eaton <jwe@octave.org>
parents: 13844
diff changeset
4004 void
c93b953f7d54 plug some memory leaks
John W. Eaton <jwe@octave.org>
parents: 13844
diff changeset
4005 cleanup_statement_list (tree_statement_list **lst)
c93b953f7d54 plug some memory leaks
John W. Eaton <jwe@octave.org>
parents: 13844
diff changeset
4006 {
c93b953f7d54 plug some memory leaks
John W. Eaton <jwe@octave.org>
parents: 13844
diff changeset
4007 if (*lst)
c93b953f7d54 plug some memory leaks
John W. Eaton <jwe@octave.org>
parents: 13844
diff changeset
4008 {
c93b953f7d54 plug some memory leaks
John W. Eaton <jwe@octave.org>
parents: 13844
diff changeset
4009 delete *lst;
c93b953f7d54 plug some memory leaks
John W. Eaton <jwe@octave.org>
parents: 13844
diff changeset
4010 *lst = 0;
c93b953f7d54 plug some memory leaks
John W. Eaton <jwe@octave.org>
parents: 13844
diff changeset
4011 }
c93b953f7d54 plug some memory leaks
John W. Eaton <jwe@octave.org>
parents: 13844
diff changeset
4012 }
c93b953f7d54 plug some memory leaks
John W. Eaton <jwe@octave.org>
parents: 13844
diff changeset
4013
3021
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
4014 DEFUN (eval, args, nargout,
3371
86873384cd10 [project @ 1999-11-21 17:31:07 by jwe]
jwe
parents: 3366
diff changeset
4015 "-*- texinfo -*-\n\
14172
cba1c681f1b7 doc: Update seealso references for eval family of functions.
Rik <octave@nomad.inbox5.com>
parents: 14153
diff changeset
4016 @deftypefn {Built-in Function} {} eval (@var{try})\n\
cba1c681f1b7 doc: Update seealso references for eval family of functions.
Rik <octave@nomad.inbox5.com>
parents: 14153
diff changeset
4017 @deftypefnx {Built-in Function} {} eval (@var{try}, @var{catch})\n\
3371
86873384cd10 [project @ 1999-11-21 17:31:07 by jwe]
jwe
parents: 3366
diff changeset
4018 Parse the string @var{try} and evaluate it as if it were an Octave\n\
6643
6a7fc4105bcc [project @ 2007-05-21 20:37:43 by jwe]
jwe
parents: 6637
diff changeset
4019 program. If that fails, evaluate the optional string @var{catch}.\n\
4463
322453495d75 [project @ 2003-07-12 05:03:33 by jwe]
jwe
parents: 4452
diff changeset
4020 The string @var{try} is evaluated in the current context,\n\
322453495d75 [project @ 2003-07-12 05:03:33 by jwe]
jwe
parents: 4452
diff changeset
4021 so any results remain available after @code{eval} returns.\n\
6643
6a7fc4105bcc [project @ 2007-05-21 20:37:43 by jwe]
jwe
parents: 6637
diff changeset
4022 \n\
6a7fc4105bcc [project @ 2007-05-21 20:37:43 by jwe]
jwe
parents: 6637
diff changeset
4023 The following example makes the variable @var{a} with the approximate\n\
6a7fc4105bcc [project @ 2007-05-21 20:37:43 by jwe]
jwe
parents: 6637
diff changeset
4024 value 3.1416 available.\n\
6a7fc4105bcc [project @ 2007-05-21 20:37:43 by jwe]
jwe
parents: 6637
diff changeset
4025 \n\
6a7fc4105bcc [project @ 2007-05-21 20:37:43 by jwe]
jwe
parents: 6637
diff changeset
4026 @example\n\
14360
97883071e8e4 doc: Correct off-by-1 spacings in all .cc docstrings
Rik <octave@nomad.inbox5.com>
parents: 14329
diff changeset
4027 eval (\"a = acos(-1);\");\n\
6643
6a7fc4105bcc [project @ 2007-05-21 20:37:43 by jwe]
jwe
parents: 6637
diff changeset
4028 @end example\n\
6a7fc4105bcc [project @ 2007-05-21 20:37:43 by jwe]
jwe
parents: 6637
diff changeset
4029 \n\
6a7fc4105bcc [project @ 2007-05-21 20:37:43 by jwe]
jwe
parents: 6637
diff changeset
4030 If an error occurs during the evaluation of @var{try} the @var{catch}\n\
8828
8463d1a2e544 Doc fixes.
Brian Gough <bjg@network-theory.co.uk>
parents: 8819
diff changeset
4031 string is evaluated, as the following example shows:\n\
6643
6a7fc4105bcc [project @ 2007-05-21 20:37:43 by jwe]
jwe
parents: 6637
diff changeset
4032 \n\
6a7fc4105bcc [project @ 2007-05-21 20:37:43 by jwe]
jwe
parents: 6637
diff changeset
4033 @example\n\
11572
7d6d8c1e471f Grammarcheck Texinfo for files in src directory.
Rik <octave@nomad.inbox5.com>
parents: 11523
diff changeset
4034 @group\n\
6643
6a7fc4105bcc [project @ 2007-05-21 20:37:43 by jwe]
jwe
parents: 6637
diff changeset
4035 eval ('error (\"This is a bad example\");',\n\
8015
30629059b72d Update the manual to reflect the changes in error output
sh@sh-laptop
parents: 8007
diff changeset
4036 'printf (\"This error occurred:\\n%s\\n\", lasterr ());');\n\
7001
8b0cfeb06365 [project @ 2007-10-10 18:02:59 by jwe]
jwe
parents: 6926
diff changeset
4037 @print{} This error occurred:\n\
8015
30629059b72d Update the manual to reflect the changes in error output
sh@sh-laptop
parents: 8007
diff changeset
4038 This is a bad example\n\
11572
7d6d8c1e471f Grammarcheck Texinfo for files in src directory.
Rik <octave@nomad.inbox5.com>
parents: 11523
diff changeset
4039 @end group\n\
6643
6a7fc4105bcc [project @ 2007-05-21 20:37:43 by jwe]
jwe
parents: 6637
diff changeset
4040 @end example\n\
14172
cba1c681f1b7 doc: Update seealso references for eval family of functions.
Rik <octave@nomad.inbox5.com>
parents: 14153
diff changeset
4041 \n\
cba1c681f1b7 doc: Update seealso references for eval family of functions.
Rik <octave@nomad.inbox5.com>
parents: 14153
diff changeset
4042 Consider using try/catch blocks instead if you are only using @code{eval}\n\
cba1c681f1b7 doc: Update seealso references for eval family of functions.
Rik <octave@nomad.inbox5.com>
parents: 14153
diff changeset
4043 as an error-capturing mechanism rather than for the execution of arbitrary\n\
cba1c681f1b7 doc: Update seealso references for eval family of functions.
Rik <octave@nomad.inbox5.com>
parents: 14153
diff changeset
4044 code strings.\n\
cba1c681f1b7 doc: Update seealso references for eval family of functions.
Rik <octave@nomad.inbox5.com>
parents: 14153
diff changeset
4045 @seealso{evalin}\n\
3371
86873384cd10 [project @ 1999-11-21 17:31:07 by jwe]
jwe
parents: 3366
diff changeset
4046 @end deftypefn")
3021
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
4047 {
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
4048 octave_value_list retval;
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
4049
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
4050 int nargin = args.length ();
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
4051
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
4052 if (nargin > 0)
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
4053 {
10067
6f79338c269b omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents: 9794
diff changeset
4054 unwind_protect frame;
3021
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
4055
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
4056 if (nargin > 1)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4057 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4058 frame.protect_var (buffer_error_messages);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4059 buffer_error_messages++;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4060 }
3021
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
4061
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
4062 int parse_status = 0;
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
4063
4463
322453495d75 [project @ 2003-07-12 05:03:33 by jwe]
jwe
parents: 4452
diff changeset
4064 octave_value_list tmp = eval_string (args(0), nargout > 0,
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4065 parse_status, nargout);
4463
322453495d75 [project @ 2003-07-12 05:03:33 by jwe]
jwe
parents: 4452
diff changeset
4066
3021
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
4067 if (nargin > 1 && (parse_status != 0 || error_state))
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4068 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4069 error_state = 0;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4070
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4071 // Set up for letting the user print any messages from
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4072 // errors that occurred in the first part of this eval().
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4073
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4074 buffer_error_messages--;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4075
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4076 tmp = eval_string (args(1), nargout > 0, parse_status, nargout);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4077
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4078 if (nargout > 0)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4079 retval = tmp;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4080 }
8033
2ad5ba320b93 parse.y (Feval): Return value produced by evaluating CATCH string
John W. Eaton <jwe@octave.org>
parents: 8021
diff changeset
4081 else if (nargout > 0)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4082 retval = tmp;
3021
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
4083 }
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
4084 else
5823
080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe]
jwe
parents: 5794
diff changeset
4085 print_usage ();
3021
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
4086
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
4087 return retval;
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
4088 }
18d64612e67a [project @ 1997-06-03 22:18:56 by jwe]
jwe
parents: 3016
diff changeset
4089
7562
c827f5673321 move tests to individual source files
John W. Eaton <jwe@octave.org>
parents: 7351
diff changeset
4090 /*
c827f5673321 move tests to individual source files
John W. Eaton <jwe@octave.org>
parents: 7351
diff changeset
4091
14084
5aba9fa234cf Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents: 13970
diff changeset
4092 %!shared x
7562
c827f5673321 move tests to individual source files
John W. Eaton <jwe@octave.org>
parents: 7351
diff changeset
4093 %! x = 1;
14084
5aba9fa234cf Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents: 13970
diff changeset
4094
5aba9fa234cf Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents: 13970
diff changeset
4095 %!assert (eval ("x"), 1)
5aba9fa234cf Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents: 13970
diff changeset
4096 %!assert (eval ("x;"))
5aba9fa234cf Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents: 13970
diff changeset
4097 %!assert (eval ("x;"), 1);
5aba9fa234cf Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents: 13970
diff changeset
4098
7562
c827f5673321 move tests to individual source files
John W. Eaton <jwe@octave.org>
parents: 7351
diff changeset
4099 %!test
14084
5aba9fa234cf Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents: 13970
diff changeset
4100 %! y = eval ("x");
5aba9fa234cf Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents: 13970
diff changeset
4101 %! assert (y, 1);
5aba9fa234cf Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents: 13970
diff changeset
4102
5aba9fa234cf Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents: 13970
diff changeset
4103 %!test
5aba9fa234cf Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents: 13970
diff changeset
4104 %! y = eval ("x;");
5aba9fa234cf Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents: 13970
diff changeset
4105 %! assert (y, 1);
5aba9fa234cf Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents: 13970
diff changeset
4106
5aba9fa234cf Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents: 13970
diff changeset
4107 %!test
5aba9fa234cf Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents: 13970
diff changeset
4108 %! eval ("x = 1;")
5aba9fa234cf Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents: 13970
diff changeset
4109 %! assert (x,1);
5aba9fa234cf Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents: 13970
diff changeset
4110
7562
c827f5673321 move tests to individual source files
John W. Eaton <jwe@octave.org>
parents: 7351
diff changeset
4111 %!test
c827f5673321 move tests to individual source files
John W. Eaton <jwe@octave.org>
parents: 7351
diff changeset
4112 %! eval ("flipud = 2;");
14084
5aba9fa234cf Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents: 13970
diff changeset
4113 %! assert (flipud, 2);
5aba9fa234cf Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents: 13970
diff changeset
4114
5aba9fa234cf Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents: 13970
diff changeset
4115 %!function y = __f ()
7562
c827f5673321 move tests to individual source files
John W. Eaton <jwe@octave.org>
parents: 7351
diff changeset
4116 %! eval ("flipud = 2;");
c827f5673321 move tests to individual source files
John W. Eaton <jwe@octave.org>
parents: 7351
diff changeset
4117 %! y = flipud;
14084
5aba9fa234cf Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents: 13970
diff changeset
4118 %!endfunction
5aba9fa234cf Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents: 13970
diff changeset
4119 %!assert (__f(), 2)
7562
c827f5673321 move tests to individual source files
John W. Eaton <jwe@octave.org>
parents: 7351
diff changeset
4120
14533
e6aa044253eb Allow comma at the end of an assignment list (bug #35645)
Max Brister <max@2bass.com>
parents: 14512
diff changeset
4121 % bug #35645
e6aa044253eb Allow comma at the end of an assignment list (bug #35645)
Max Brister <max@2bass.com>
parents: 14512
diff changeset
4122 %!test
e6aa044253eb Allow comma at the end of an assignment list (bug #35645)
Max Brister <max@2bass.com>
parents: 14512
diff changeset
4123 %! [a,] = gcd (1,2);
e6aa044253eb Allow comma at the end of an assignment list (bug #35645)
Max Brister <max@2bass.com>
parents: 14512
diff changeset
4124 %! [a,b,] = gcd (1, 2);
e6aa044253eb Allow comma at the end of an assignment list (bug #35645)
Max Brister <max@2bass.com>
parents: 14512
diff changeset
4125
7562
c827f5673321 move tests to individual source files
John W. Eaton <jwe@octave.org>
parents: 7351
diff changeset
4126 */
c827f5673321 move tests to individual source files
John W. Eaton <jwe@octave.org>
parents: 7351
diff changeset
4127
4661
12b6fbd57436 [project @ 2003-11-25 05:41:35 by jwe]
jwe
parents: 4615
diff changeset
4128 DEFUN (assignin, args, ,
4297
59a2ba0fb205 [project @ 2003-01-11 20:22:09 by jwe]
jwe
parents: 4246
diff changeset
4129 "-*- texinfo -*-\n\
59a2ba0fb205 [project @ 2003-01-11 20:22:09 by jwe]
jwe
parents: 4246
diff changeset
4130 @deftypefn {Built-in Function} {} assignin (@var{context}, @var{varname}, @var{value})\n\
59a2ba0fb205 [project @ 2003-01-11 20:22:09 by jwe]
jwe
parents: 4246
diff changeset
4131 Assign @var{value} to @var{varname} in context @var{context}, which\n\
59a2ba0fb205 [project @ 2003-01-11 20:22:09 by jwe]
jwe
parents: 4246
diff changeset
4132 may be either @code{\"base\"} or @code{\"caller\"}.\n\
14172
cba1c681f1b7 doc: Update seealso references for eval family of functions.
Rik <octave@nomad.inbox5.com>
parents: 14153
diff changeset
4133 @seealso{evalin}\n\
4297
59a2ba0fb205 [project @ 2003-01-11 20:22:09 by jwe]
jwe
parents: 4246
diff changeset
4134 @end deftypefn")
59a2ba0fb205 [project @ 2003-01-11 20:22:09 by jwe]
jwe
parents: 4246
diff changeset
4135 {
59a2ba0fb205 [project @ 2003-01-11 20:22:09 by jwe]
jwe
parents: 4246
diff changeset
4136 octave_value_list retval;
59a2ba0fb205 [project @ 2003-01-11 20:22:09 by jwe]
jwe
parents: 4246
diff changeset
4137
59a2ba0fb205 [project @ 2003-01-11 20:22:09 by jwe]
jwe
parents: 4246
diff changeset
4138 int nargin = args.length ();
59a2ba0fb205 [project @ 2003-01-11 20:22:09 by jwe]
jwe
parents: 4246
diff changeset
4139
59a2ba0fb205 [project @ 2003-01-11 20:22:09 by jwe]
jwe
parents: 4246
diff changeset
4140 if (nargin == 3)
59a2ba0fb205 [project @ 2003-01-11 20:22:09 by jwe]
jwe
parents: 4246
diff changeset
4141 {
59a2ba0fb205 [project @ 2003-01-11 20:22:09 by jwe]
jwe
parents: 4246
diff changeset
4142 std::string context = args(0).string_value ();
59a2ba0fb205 [project @ 2003-01-11 20:22:09 by jwe]
jwe
parents: 4246
diff changeset
4143
59a2ba0fb205 [project @ 2003-01-11 20:22:09 by jwe]
jwe
parents: 4246
diff changeset
4144 if (! error_state)
59a2ba0fb205 [project @ 2003-01-11 20:22:09 by jwe]
jwe
parents: 4246
diff changeset
4145 {
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4146 unwind_protect frame;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4147
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4148 if (context == "caller")
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4149 octave_call_stack::goto_caller_frame ();
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4150 else if (context == "base")
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4151 octave_call_stack::goto_base_frame ();
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4152 else
12483
7a5aacf65f81 Rewrite error strings in src/ to use variables named in documentation.
Rik <octave@nomad.inbox5.com>
parents: 12400
diff changeset
4153 error ("assignin: CONTEXT must be \"caller\" or \"base\"");
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4154
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4155 if (! error_state)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4156 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4157 frame.add_fcn (octave_call_stack::pop);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4158
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4159 std::string nm = args(1).string_value ();
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4160
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4161 if (! error_state)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4162 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4163 if (valid_identifier (nm))
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4164 symbol_table::varref (nm) = args(2);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4165 else
12483
7a5aacf65f81 Rewrite error strings in src/ to use variables named in documentation.
Rik <octave@nomad.inbox5.com>
parents: 12400
diff changeset
4166 error ("assignin: invalid variable name in argument VARNAME");
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4167 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4168 else
12483
7a5aacf65f81 Rewrite error strings in src/ to use variables named in documentation.
Rik <octave@nomad.inbox5.com>
parents: 12400
diff changeset
4169 error ("assignin: VARNAME must be a string");
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4170 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4171 }
4297
59a2ba0fb205 [project @ 2003-01-11 20:22:09 by jwe]
jwe
parents: 4246
diff changeset
4172 else
12483
7a5aacf65f81 Rewrite error strings in src/ to use variables named in documentation.
Rik <octave@nomad.inbox5.com>
parents: 12400
diff changeset
4173 error ("assignin: CONTEXT must be a string");
4297
59a2ba0fb205 [project @ 2003-01-11 20:22:09 by jwe]
jwe
parents: 4246
diff changeset
4174 }
59a2ba0fb205 [project @ 2003-01-11 20:22:09 by jwe]
jwe
parents: 4246
diff changeset
4175 else
5823
080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe]
jwe
parents: 5794
diff changeset
4176 print_usage ();
4297
59a2ba0fb205 [project @ 2003-01-11 20:22:09 by jwe]
jwe
parents: 4246
diff changeset
4177
59a2ba0fb205 [project @ 2003-01-11 20:22:09 by jwe]
jwe
parents: 4246
diff changeset
4178 return retval;
59a2ba0fb205 [project @ 2003-01-11 20:22:09 by jwe]
jwe
parents: 4246
diff changeset
4179 }
59a2ba0fb205 [project @ 2003-01-11 20:22:09 by jwe]
jwe
parents: 4246
diff changeset
4180
4245
610671be8792 [project @ 2002-12-28 04:02:31 by jwe]
jwe
parents: 4244
diff changeset
4181 DEFUN (evalin, args, nargout,
610671be8792 [project @ 2002-12-28 04:02:31 by jwe]
jwe
parents: 4244
diff changeset
4182 "-*- texinfo -*-\n\
14172
cba1c681f1b7 doc: Update seealso references for eval family of functions.
Rik <octave@nomad.inbox5.com>
parents: 14153
diff changeset
4183 @deftypefn {Built-in Function} {} evalin (@var{context}, @var{try})\n\
cba1c681f1b7 doc: Update seealso references for eval family of functions.
Rik <octave@nomad.inbox5.com>
parents: 14153
diff changeset
4184 @deftypefnx {Built-in Function} {} evalin (@var{context}, @var{try}, @var{catch})\n\
4245
610671be8792 [project @ 2002-12-28 04:02:31 by jwe]
jwe
parents: 4244
diff changeset
4185 Like @code{eval}, except that the expressions are evaluated in the\n\
610671be8792 [project @ 2002-12-28 04:02:31 by jwe]
jwe
parents: 4244
diff changeset
4186 context @var{context}, which may be either @code{\"caller\"} or\n\
4246
0253850a08d7 [project @ 2002-12-30 17:57:36 by jwe]
jwe
parents: 4245
diff changeset
4187 @code{\"base\"}.\n\
14172
cba1c681f1b7 doc: Update seealso references for eval family of functions.
Rik <octave@nomad.inbox5.com>
parents: 14153
diff changeset
4188 @seealso{eval, assignin}\n\
4245
610671be8792 [project @ 2002-12-28 04:02:31 by jwe]
jwe
parents: 4244
diff changeset
4189 @end deftypefn")
610671be8792 [project @ 2002-12-28 04:02:31 by jwe]
jwe
parents: 4244
diff changeset
4190 {
610671be8792 [project @ 2002-12-28 04:02:31 by jwe]
jwe
parents: 4244
diff changeset
4191 octave_value_list retval;
610671be8792 [project @ 2002-12-28 04:02:31 by jwe]
jwe
parents: 4244
diff changeset
4192
610671be8792 [project @ 2002-12-28 04:02:31 by jwe]
jwe
parents: 4244
diff changeset
4193 int nargin = args.length ();
610671be8792 [project @ 2002-12-28 04:02:31 by jwe]
jwe
parents: 4244
diff changeset
4194
610671be8792 [project @ 2002-12-28 04:02:31 by jwe]
jwe
parents: 4244
diff changeset
4195 if (nargin > 1)
610671be8792 [project @ 2002-12-28 04:02:31 by jwe]
jwe
parents: 4244
diff changeset
4196 {
610671be8792 [project @ 2002-12-28 04:02:31 by jwe]
jwe
parents: 4244
diff changeset
4197 std::string context = args(0).string_value ();
610671be8792 [project @ 2002-12-28 04:02:31 by jwe]
jwe
parents: 4244
diff changeset
4198
610671be8792 [project @ 2002-12-28 04:02:31 by jwe]
jwe
parents: 4244
diff changeset
4199 if (! error_state)
610671be8792 [project @ 2002-12-28 04:02:31 by jwe]
jwe
parents: 4244
diff changeset
4200 {
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4201 unwind_protect frame;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4202
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4203 if (context == "caller")
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4204 octave_call_stack::goto_caller_frame ();
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4205 else if (context == "base")
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4206 octave_call_stack::goto_base_frame ();
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4207 else
12483
7a5aacf65f81 Rewrite error strings in src/ to use variables named in documentation.
Rik <octave@nomad.inbox5.com>
parents: 12400
diff changeset
4208 error ("evalin: CONTEXT must be \"caller\" or \"base\"");
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4209
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4210 if (! error_state)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4211 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4212 frame.add_fcn (octave_call_stack::pop);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4213
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4214 if (nargin > 2)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4215 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4216 frame.protect_var (buffer_error_messages);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4217 buffer_error_messages++;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4218 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4219
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4220 int parse_status = 0;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4221
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4222 octave_value_list tmp = eval_string (args(1), nargout > 0,
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4223 parse_status, nargout);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4224
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4225 if (nargout > 0)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4226 retval = tmp;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4227
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4228 if (nargin > 2 && (parse_status != 0 || error_state))
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4229 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4230 error_state = 0;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4231
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4232 // Set up for letting the user print any messages from
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4233 // errors that occurred in the first part of this eval().
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4234
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4235 buffer_error_messages--;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4236
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4237 tmp = eval_string (args(2), nargout > 0,
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4238 parse_status, nargout);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4239
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4240 retval = (nargout > 0) ? tmp : octave_value_list ();
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4241 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4242 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4243 }
4245
610671be8792 [project @ 2002-12-28 04:02:31 by jwe]
jwe
parents: 4244
diff changeset
4244 else
12483
7a5aacf65f81 Rewrite error strings in src/ to use variables named in documentation.
Rik <octave@nomad.inbox5.com>
parents: 12400
diff changeset
4245 error ("evalin: CONTEXT must be a string");
4245
610671be8792 [project @ 2002-12-28 04:02:31 by jwe]
jwe
parents: 4244
diff changeset
4246 }
610671be8792 [project @ 2002-12-28 04:02:31 by jwe]
jwe
parents: 4244
diff changeset
4247 else
5823
080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe]
jwe
parents: 5794
diff changeset
4248 print_usage ();
4245
610671be8792 [project @ 2002-12-28 04:02:31 by jwe]
jwe
parents: 4244
diff changeset
4249
610671be8792 [project @ 2002-12-28 04:02:31 by jwe]
jwe
parents: 4244
diff changeset
4250 return retval;
610671be8792 [project @ 2002-12-28 04:02:31 by jwe]
jwe
parents: 4244
diff changeset
4251 }
610671be8792 [project @ 2002-12-28 04:02:31 by jwe]
jwe
parents: 4244
diff changeset
4252
8311
7124bffc89c7 parse.y (F__parser_debug_flag__): New function.
John W. Eaton <jwe@octave.org>
parents: 8283
diff changeset
4253 DEFUN (__parser_debug_flag__, args, nargout,
8812
7d48766c21a5 use consistent format for doc strings of internal functions
John W. Eaton <jwe@octave.org>
parents: 8746
diff changeset
4254 "-*- texinfo -*-\n\
7d48766c21a5 use consistent format for doc strings of internal functions
John W. Eaton <jwe@octave.org>
parents: 8746
diff changeset
4255 @deftypefn {Built-in Function} {@var{old_val} =} __parser_debug_flag__ (@var{new_val}))\n\
7d48766c21a5 use consistent format for doc strings of internal functions
John W. Eaton <jwe@octave.org>
parents: 8746
diff changeset
4256 Undocumented internal function.\n\
7d48766c21a5 use consistent format for doc strings of internal functions
John W. Eaton <jwe@octave.org>
parents: 8746
diff changeset
4257 @end deftypefn")
8311
7124bffc89c7 parse.y (F__parser_debug_flag__): New function.
John W. Eaton <jwe@octave.org>
parents: 8283
diff changeset
4258 {
7124bffc89c7 parse.y (F__parser_debug_flag__): New function.
John W. Eaton <jwe@octave.org>
parents: 8283
diff changeset
4259 octave_value retval;
7124bffc89c7 parse.y (F__parser_debug_flag__): New function.
John W. Eaton <jwe@octave.org>
parents: 8283
diff changeset
4260
7124bffc89c7 parse.y (F__parser_debug_flag__): New function.
John W. Eaton <jwe@octave.org>
parents: 8283
diff changeset
4261 bool debug_flag = octave_debug;
7124bffc89c7 parse.y (F__parser_debug_flag__): New function.
John W. Eaton <jwe@octave.org>
parents: 8283
diff changeset
4262
7124bffc89c7 parse.y (F__parser_debug_flag__): New function.
John W. Eaton <jwe@octave.org>
parents: 8283
diff changeset
4263 retval = set_internal_variable (debug_flag, args, nargout,
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10250
diff changeset
4264 "__parser_debug_flag__");
8311
7124bffc89c7 parse.y (F__parser_debug_flag__): New function.
John W. Eaton <jwe@octave.org>
parents: 8283
diff changeset
4265
7124bffc89c7 parse.y (F__parser_debug_flag__): New function.
John W. Eaton <jwe@octave.org>
parents: 8283
diff changeset
4266 octave_debug = debug_flag;
7124bffc89c7 parse.y (F__parser_debug_flag__): New function.
John W. Eaton <jwe@octave.org>
parents: 8283
diff changeset
4267
7124bffc89c7 parse.y (F__parser_debug_flag__): New function.
John W. Eaton <jwe@octave.org>
parents: 8283
diff changeset
4268 return retval;
7124bffc89c7 parse.y (F__parser_debug_flag__): New function.
John W. Eaton <jwe@octave.org>
parents: 8283
diff changeset
4269 }