Mercurial > octave
annotate libinterp/parse-tree/oct-parse.yy @ 16151:e309eb7940be
parser tweaks
* input.cc (get_debug_input): Create parser outside of loop.
* toplev.cc (main_loop): Likewise.
* oct-parse.yy (parse_fcn_file): Don't reset newly created parser.
author | John W. Eaton <jwe@octave.org> |
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date | Wed, 27 Feb 2013 20:32:42 -0500 |
parents | 49dfba4fd3c5 |
children | a57c2c8c8163 |
rev | line source |
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1829 | 1 /* |
1 | 2 |
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3 Copyright (C) 1993-2012 John W. Eaton |
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4 Copyright (C) 2009 David Grundberg |
11523 | 5 Copyright (C) 2009-2010 VZLU Prague |
1 | 6 |
7 This file is part of Octave. | |
8 | |
9 Octave is free software; you can redistribute it and/or modify it | |
10 under the terms of the GNU General Public License as published by the | |
7016 | 11 Free Software Foundation; either version 3 of the License, or (at your |
12 option) any later version. | |
1 | 13 |
14 Octave is distributed in the hope that it will be useful, but WITHOUT | |
15 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
16 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
17 for more details. | |
18 | |
19 You should have received a copy of the GNU General Public License | |
7016 | 20 along with Octave; see the file COPYING. If not, see |
21 <http://www.gnu.org/licenses/>. | |
1 | 22 |
23 */ | |
24 | |
25 // Parser for Octave. | |
26 | |
767 | 27 // C decarations. |
28 | |
1 | 29 %{ |
30 #define YYDEBUG 1 | |
31 | |
240 | 32 #ifdef HAVE_CONFIG_H |
1229 | 33 #include <config.h> |
240 | 34 #endif |
35 | |
3178 | 36 #include <cassert> |
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37 #include <cstdio> |
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38 #include <cstdlib> |
2427 | 39 |
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40 #include <iostream> |
5484 | 41 #include <map> |
5765 | 42 #include <sstream> |
5484 | 43 |
3928 | 44 #include "Cell.h" |
1 | 45 #include "Matrix.h" |
3021 | 46 #include "cmd-edit.h" |
47 #include "cmd-hist.h" | |
48 #include "file-ops.h" | |
49 #include "file-stat.h" | |
4243 | 50 #include "oct-env.h" |
3712 | 51 #include "oct-time.h" |
4171 | 52 #include "quit.h" |
1 | 53 |
3665 | 54 #include "comment-list.h" |
4243 | 55 #include "defaults.h" |
2166 | 56 #include "defun.h" |
4243 | 57 #include "dirfns.h" |
3021 | 58 #include "dynamic-ld.h" |
1351 | 59 #include "error.h" |
60 #include "input.h" | |
61 #include "lex.h" | |
5832 | 62 #include "load-path.h" |
1743 | 63 #include "oct-hist.h" |
5626 | 64 #include "oct-map.h" |
4935 | 65 #include "ov-fcn-handle.h" |
2970 | 66 #include "ov-usr-fcn.h" |
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67 #include "ov-null-mat.h" |
1670 | 68 #include "toplev.h" |
1351 | 69 #include "pager.h" |
70 #include "parse.h" | |
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71 #include "parse-private.h" |
2987 | 72 #include "pt-all.h" |
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73 #include "pt-eval.h" |
1351 | 74 #include "symtab.h" |
75 #include "token.h" | |
3021 | 76 #include "unwind-prot.h" |
1 | 77 #include "utils.h" |
1351 | 78 #include "variables.h" |
1 | 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 lexical_feedback *CURR_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 |
338 | 98 // Buffer for help text snagged from function files. |
4426 | 99 std::stack<std::string> help_buf; |
1 | 100 |
3665 | 101 // Buffer for comments appearing before a function statement. |
102 static std::string fcn_comment_header; | |
103 | |
3021 | 104 // TRUE means we are using readline. |
105 // (--no-line-editing) | |
106 bool line_editing = true; | |
107 | |
108 // TRUE means we printed messages about reading startup files. | |
109 bool reading_startup_message_printed = false; | |
110 | |
111 // TRUE means input is coming from startup file. | |
112 bool input_from_startup_file = false; | |
113 | |
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114 // = 0 currently outside any function. |
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115 // = 1 inside the primary function or a subfunction. |
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116 // > 1 means we are looking at a function definition that seems to be |
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117 // inside a function. Note that the function still might not be a |
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118 // nested function. |
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119 static int current_function_depth = 0; |
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120 |
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121 // A stack holding the nested function scopes being parsed. |
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122 // We don't use std::stack, because we want the clear method. Also, we |
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123 // must access one from the top |
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124 static std::vector<symbol_table::scope_id> function_scopes; |
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125 |
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126 // Maximum function depth detected. Just here to determine whether |
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127 // we have nested functions or just implicitly ended subfunctions. |
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128 static int max_function_depth = 0; |
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129 |
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130 // FALSE if we are still at the primary function. Subfunctions can |
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131 // only be declared inside function files. |
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132 static int parsing_subfunctions = false; |
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133 |
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134 // Have we found an explicit end to a function? |
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135 static bool endfunction_found = false; |
4238 | 136 |
3903 | 137 // Keep track of symbol table information when parsing functions. |
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138 symtab_context parser_symtab_context; |
4238 | 139 |
7336 | 140 // Name of the current class when we are parsing class methods or |
141 // constructors. | |
142 std::string current_class_name; | |
143 | |
5484 | 144 // TRUE means we are in the process of autoloading a function. |
145 static bool autoloading = false; | |
146 | |
6323 | 147 // TRUE means the current function file was found in a relative path |
148 // element. | |
149 static bool fcn_file_from_relative_lookup = false; | |
150 | |
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151 // Pointer to the primary user function or user script function. |
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152 static octave_function *primary_fcn_ptr = 0; |
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153 |
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154 // Scope where we install all subfunctions and nested functions. Only |
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155 // used while reading function files. |
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156 static symbol_table::scope_id primary_fcn_scope; |
7336 | 157 |
5484 | 158 // List of autoloads (function -> file mapping). |
159 static std::map<std::string, std::string> autoload_map; | |
160 | |
496 | 161 // Forward declarations for some functions defined at the bottom of |
162 // the file. | |
163 | |
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164 static void yyerror (octave_parser *curr_parser, const char *s); |
1 | 165 |
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166 // Finish building a statement. |
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167 template <class T> |
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168 static tree_statement * |
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169 make_statement (T *arg) |
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170 { |
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171 octave_comment_list *comment = octave_comment_buffer::get_comment (); |
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172 |
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173 return new tree_statement (arg, comment); |
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174 } |
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175 |
1 | 176 #define ABORT_PARSE \ |
177 do \ | |
178 { \ | |
522 | 179 global_command = 0; \ |
1 | 180 yyerrok; \ |
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181 if (! parser_symtab_context.empty ()) \ |
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182 parser_symtab_context.pop (); \ |
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183 if ((interactive || forced_interactive) \ |
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184 && ! get_input_from_eval_string) \ |
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185 YYACCEPT; \ |
1 | 186 else \ |
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187 YYABORT; \ |
1 | 188 } \ |
189 while (0) | |
190 | |
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191 #define curr_lexer curr_parser->curr_lexer |
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192 #define scanner curr_lexer->scanner |
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193 |
1 | 194 %} |
195 | |
666 | 196 // Bison declarations. |
197 | |
4813 | 198 // Don't add spaces around the = here; it causes some versions of |
199 // bison to fail to properly recognize the directive. | |
200 | |
201 %name-prefix="octave_" | |
4753 | 202 |
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203 // We are using the pure parser interface and the reentrant lexer |
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204 // interface but the Octave parser and lexer are NOT properly |
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205 // reentrant because both still use many global variables. It should be |
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206 // safe to create a parser object and call it while anotehr parser |
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207 // object is active (to parse a callback function while the main |
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208 // interactive parser is waiting for input, for example) if you take |
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209 // care to properly save and restore (typically with an unwind_protect |
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210 // object) relevant global values before and after the nested call. |
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211 |
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212 %define api.pure |
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213 %parse-param { octave_parser *curr_parser } |
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214 %lex-param { void *scanner } |
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215 |
1 | 216 %union |
217 { | |
2891 | 218 // The type of the basic tokens returned by the lexer. |
143 | 219 token *tok_val; |
220 | |
3665 | 221 // Comment strings that we need to deal with mid-rule. |
222 octave_comment_list *comment_type; | |
223 | |
2891 | 224 // Types for the nonterminals we generate. |
2525 | 225 char sep_type; |
1 | 226 tree *tree_type; |
1829 | 227 tree_matrix *tree_matrix_type; |
3351 | 228 tree_cell *tree_cell_type; |
496 | 229 tree_expression *tree_expression_type; |
2375 | 230 tree_constant *tree_constant_type; |
4342 | 231 tree_fcn_handle *tree_fcn_handle_type; |
5861 | 232 tree_anon_fcn_handle *tree_anon_fcn_handle_type; |
1 | 233 tree_identifier *tree_identifier_type; |
234 tree_index_expression *tree_index_expression_type; | |
235 tree_colon_expression *tree_colon_expression_type; | |
236 tree_argument_list *tree_argument_list_type; | |
237 tree_parameter_list *tree_parameter_list_type; | |
238 tree_command *tree_command_type; | |
239 tree_if_command *tree_if_command_type; | |
578 | 240 tree_if_clause *tree_if_clause_type; |
241 tree_if_command_list *tree_if_command_list_type; | |
2764 | 242 tree_switch_command *tree_switch_command_type; |
243 tree_switch_case *tree_switch_case_type; | |
244 tree_switch_case_list *tree_switch_case_list_type; | |
2846 | 245 tree_decl_elt *tree_decl_elt_type; |
246 tree_decl_init_list *tree_decl_init_list_type; | |
247 tree_decl_command *tree_decl_command_type; | |
578 | 248 tree_statement *tree_statement_type; |
249 tree_statement_list *tree_statement_list_type; | |
2891 | 250 octave_user_function *octave_user_function_type; |
9476 | 251 void *dummy_type; |
1 | 252 } |
253 | |
143 | 254 // Tokens with line and column information. |
255 %token <tok_val> '=' ':' '-' '+' '*' '/' | |
4018 | 256 %token <tok_val> ADD_EQ SUB_EQ MUL_EQ DIV_EQ LEFTDIV_EQ POW_EQ |
257 %token <tok_val> EMUL_EQ EDIV_EQ ELEFTDIV_EQ EPOW_EQ AND_EQ OR_EQ | |
2899 | 258 %token <tok_val> LSHIFT_EQ RSHIFT_EQ LSHIFT RSHIFT |
428 | 259 %token <tok_val> EXPR_AND_AND EXPR_OR_OR |
143 | 260 %token <tok_val> EXPR_AND EXPR_OR EXPR_NOT |
261 %token <tok_val> EXPR_LT EXPR_LE EXPR_EQ EXPR_NE EXPR_GE EXPR_GT | |
1276 | 262 %token <tok_val> LEFTDIV EMUL EDIV ELEFTDIV EPLUS EMINUS |
263 %token <tok_val> QUOTE TRANSPOSE | |
143 | 264 %token <tok_val> PLUS_PLUS MINUS_MINUS POW EPOW |
265 %token <tok_val> NUM IMAG_NUM | |
2970 | 266 %token <tok_val> STRUCT_ELT |
2883 | 267 %token <tok_val> NAME |
143 | 268 %token <tok_val> END |
5279 | 269 %token <tok_val> DQ_STRING SQ_STRING |
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270 %token <tok_val> FOR PARFOR WHILE DO UNTIL |
1491 | 271 %token <tok_val> IF ELSEIF ELSE |
2764 | 272 %token <tok_val> SWITCH CASE OTHERWISE |
1491 | 273 %token <tok_val> BREAK CONTINUE FUNC_RET |
924 | 274 %token <tok_val> UNWIND CLEANUP |
1489 | 275 %token <tok_val> TRY CATCH |
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276 %token <tok_val> GLOBAL PERSISTENT |
4342 | 277 %token <tok_val> FCN_HANDLE |
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278 %token <tok_val> PROPERTIES METHODS EVENTS ENUMERATION |
9476 | 279 %token <tok_val> METAQUERY |
280 %token <tok_val> SUPERCLASSREF | |
281 %token <tok_val> GET SET | |
1 | 282 |
143 | 283 // Other tokens. |
2970 | 284 %token END_OF_INPUT LEXICAL_ERROR |
9476 | 285 %token FCN SCRIPT_FILE FUNCTION_FILE CLASSDEF |
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286 // %token VARARGIN VARARGOUT |
5296 | 287 %token CLOSE_BRACE |
1 | 288 |
143 | 289 // Nonterminals we construct. |
9476 | 290 %type <comment_type> stash_comment function_beg classdef_beg |
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291 %type <comment_type> properties_beg methods_beg events_beg enum_beg |
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292 %type <sep_type> sep_no_nl opt_sep_no_nl sep opt_sep opt_comma |
578 | 293 %type <tree_type> input |
5861 | 294 %type <tree_constant_type> string constant magic_colon |
295 %type <tree_anon_fcn_handle_type> anon_fcn_handle | |
4342 | 296 %type <tree_fcn_handle_type> fcn_handle |
3351 | 297 %type <tree_matrix_type> matrix_rows matrix_rows1 |
298 %type <tree_cell_type> cell_rows cell_rows1 | |
5102 | 299 %type <tree_expression_type> matrix cell |
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300 %type <tree_expression_type> primary_expr oper_expr |
4207 | 301 %type <tree_expression_type> simple_expr colon_expr assign_expr expression |
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302 %type <tree_identifier_type> identifier fcn_name magic_tilde |
9476 | 303 %type <tree_identifier_type> superclass_identifier meta_identifier |
304 %type <octave_user_function_type> function1 function2 classdef1 | |
2970 | 305 %type <tree_index_expression_type> word_list_cmd |
306 %type <tree_colon_expression_type> colon_expr1 | |
3351 | 307 %type <tree_argument_list_type> arg_list word_list assign_lhs |
308 %type <tree_argument_list_type> cell_or_matrix_row | |
4935 | 309 %type <tree_parameter_list_type> param_list param_list1 param_list2 |
723 | 310 %type <tree_parameter_list_type> return_list return_list1 |
9476 | 311 %type <tree_parameter_list_type> superclasses opt_superclasses |
2970 | 312 %type <tree_command_type> command select_command loop_command |
9476 | 313 %type <tree_command_type> jump_command except_command function |
314 %type <tree_command_type> script_file classdef | |
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315 %type <tree_command_type> function_file function_list |
578 | 316 %type <tree_if_command_type> if_command |
317 %type <tree_if_clause_type> elseif_clause else_clause | |
318 %type <tree_if_command_list_type> if_cmd_list1 if_cmd_list | |
2764 | 319 %type <tree_switch_command_type> switch_command |
320 %type <tree_switch_case_type> switch_case default_case | |
321 %type <tree_switch_case_list_type> case_list1 case_list | |
2846 | 322 %type <tree_decl_elt_type> decl2 |
323 %type <tree_decl_init_list_type> decl1 | |
324 %type <tree_decl_command_type> declaration | |
9476 | 325 %type <tree_statement_type> statement function_end classdef_end |
627 | 326 %type <tree_statement_list_type> simple_list simple_list1 list list1 |
7336 | 327 %type <tree_statement_list_type> opt_list input1 |
9476 | 328 // These types need to be specified. |
329 %type <dummy_type> attr | |
330 %type <dummy_type> class_event | |
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331 %type <dummy_type> class_enum |
9476 | 332 %type <dummy_type> class_property |
333 %type <dummy_type> properties_list | |
334 %type <dummy_type> properties_block | |
335 %type <dummy_type> methods_list | |
336 %type <dummy_type> methods_block | |
337 %type <dummy_type> opt_attr_list | |
338 %type <dummy_type> attr_list | |
339 %type <dummy_type> events_list | |
340 %type <dummy_type> events_block | |
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341 %type <dummy_type> enum_list |
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342 %type <dummy_type> enum_block |
9476 | 343 %type <dummy_type> class_body |
1 | 344 |
143 | 345 // Precedence and associativity. |
4018 | 346 %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 |
4023 | 347 %left EXPR_OR_OR |
348 %left EXPR_AND_AND | |
349 %left EXPR_OR | |
350 %left EXPR_AND | |
1 | 351 %left EXPR_LT EXPR_LE EXPR_EQ EXPR_NE EXPR_GE EXPR_GT |
2899 | 352 %left LSHIFT RSHIFT |
1 | 353 %left ':' |
1276 | 354 %left '-' '+' EPLUS EMINUS |
1 | 355 %left '*' '/' LEFTDIV EMUL EDIV ELEFTDIV |
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356 %right UNARY EXPR_NOT |
5667 | 357 %left POW EPOW QUOTE TRANSPOSE |
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358 %right PLUS_PLUS MINUS_MINUS |
3351 | 359 %left '(' '.' '{' |
1 | 360 |
143 | 361 // Where to start. |
1 | 362 %start input |
363 | |
364 %% | |
365 | |
2970 | 366 // ============================== |
367 // Statements and statement lists | |
368 // ============================== | |
369 | |
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370 input : input1 |
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371 { |
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372 global_command = $1; |
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373 promptflag = 1; |
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374 YYACCEPT; |
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375 } |
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376 | function_file |
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377 { YYACCEPT; } |
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378 | simple_list parse_error |
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379 { ABORT_PARSE; } |
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380 | parse_error |
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381 { ABORT_PARSE; } |
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382 ; |
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383 |
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384 input1 : '\n' |
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385 { $$ = 0; } |
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386 | END_OF_INPUT |
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387 { |
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388 curr_parser->end_of_input = true; |
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389 $$ = 0; |
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390 } |
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391 | simple_list |
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392 { $$ = $1; } |
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393 | simple_list '\n' |
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394 { $$ = $1; } |
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395 | simple_list END_OF_INPUT |
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396 { $$ = $1; } |
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397 ; |
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398 |
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399 simple_list : simple_list1 opt_sep_no_nl |
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400 { $$ = curr_parser->set_stmt_print_flag ($1, $2, false); } |
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401 ; |
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402 |
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403 simple_list1 : statement |
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404 { $$ = curr_parser->make_statement_list ($1); } |
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405 | simple_list1 sep_no_nl statement |
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406 { $$ = curr_parser->append_statement_list ($1, $2, $3, false); } |
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407 ; |
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408 |
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409 opt_list : // empty |
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410 { $$ = new tree_statement_list (); } |
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411 | list |
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412 { $$ = $1; } |
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413 ; |
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414 |
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415 list : list1 opt_sep |
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416 { $$ = curr_parser->set_stmt_print_flag ($1, $2, true); } |
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417 ; |
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418 |
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419 list1 : statement |
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420 { $$ = curr_parser->make_statement_list ($1); } |
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421 | list1 sep statement |
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422 { $$ = curr_parser->append_statement_list ($1, $2, $3, true); } |
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423 ; |
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424 |
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425 statement : expression |
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426 { $$ = make_statement ($1); } |
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427 | command |
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428 { $$ = make_statement ($1); } |
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429 | word_list_cmd |
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430 { $$ = make_statement ($1); } |
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431 ; |
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432 |
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433 // ================= |
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434 // Word-list command |
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435 // ================= |
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436 |
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437 // These are not really like expressions since they can't appear on |
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438 // the RHS of an assignment. But they are also not like commands (IF, |
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439 // WHILE, etc. |
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440 |
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441 word_list_cmd : identifier word_list |
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442 { $$ = curr_parser->make_index_expression ($1, $2, '('); } |
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443 ; |
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444 |
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445 word_list : string |
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446 { $$ = new tree_argument_list ($1); } |
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447 | word_list string |
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448 { |
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449 $1->append ($2); |
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450 $$ = $1; |
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451 } |
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452 ; |
1 | 453 |
2970 | 454 // =========== |
455 // Expressions | |
456 // =========== | |
457 | |
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458 identifier : NAME |
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459 { |
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460 symbol_table::symbol_record *sr = $1->sym_rec (); |
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461 $$ = new tree_identifier (*sr, $1->line (), $1->column ()); |
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462 } |
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463 ; |
2970 | 464 |
9476 | 465 superclass_identifier |
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466 : SUPERCLASSREF |
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467 { $$ = new tree_identifier ($1->line (), $1->column ()); } |
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468 ; |
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469 |
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470 meta_identifier : METAQUERY |
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471 { $$ = new tree_identifier ($1->line (), $1->column ()); } |
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472 ; |
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473 |
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474 string : DQ_STRING |
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475 { $$ = curr_parser->make_constant (DQ_STRING, $1); } |
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476 | SQ_STRING |
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477 { $$ = curr_parser->make_constant (SQ_STRING, $1); } |
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478 ; |
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479 |
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480 constant : NUM |
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481 { $$ = curr_parser->make_constant (NUM, $1); } |
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482 | IMAG_NUM |
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483 { $$ = curr_parser->make_constant (IMAG_NUM, $1); } |
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484 | string |
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485 { $$ = $1; } |
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486 ; |
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487 |
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488 matrix : '[' ']' |
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489 { |
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490 $$ = new tree_constant (octave_null_matrix::instance); |
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491 curr_lexer->looking_at_matrix_or_assign_lhs = false; |
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492 curr_lexer->pending_local_variables.clear (); |
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493 } |
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494 | '[' ';' ']' |
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495 { |
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496 $$ = new tree_constant (octave_null_matrix::instance); |
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497 curr_lexer->looking_at_matrix_or_assign_lhs = false; |
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498 curr_lexer->pending_local_variables.clear (); |
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499 } |
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500 | '[' ',' ']' |
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501 { |
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502 $$ = new tree_constant (octave_null_matrix::instance); |
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503 curr_lexer->looking_at_matrix_or_assign_lhs = false; |
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504 curr_lexer->pending_local_variables.clear (); |
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505 } |
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506 | '[' matrix_rows ']' |
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507 { |
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508 $$ = curr_parser->finish_matrix ($2); |
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509 curr_lexer->looking_at_matrix_or_assign_lhs = false; |
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510 curr_lexer->pending_local_variables.clear (); |
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511 } |
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512 ; |
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513 |
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514 matrix_rows : matrix_rows1 |
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515 { $$ = $1; } |
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516 | matrix_rows1 ';' // Ignore trailing semicolon. |
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517 { $$ = $1; } |
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518 ; |
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519 |
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520 matrix_rows1 : cell_or_matrix_row |
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521 { $$ = new tree_matrix ($1); } |
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522 | matrix_rows1 ';' cell_or_matrix_row |
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523 { |
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524 $1->append ($3); |
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525 $$ = $1; |
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526 } |
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527 ; |
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528 |
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529 cell : '{' '}' |
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530 { $$ = new tree_constant (octave_value (Cell ())); } |
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531 | '{' ';' '}' |
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532 { $$ = new tree_constant (octave_value (Cell ())); } |
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533 | '{' cell_rows '}' |
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534 { $$ = curr_parser->finish_cell ($2); } |
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535 ; |
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536 |
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537 cell_rows : cell_rows1 |
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538 { $$ = $1; } |
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539 | cell_rows1 ';' // Ignore trailing semicolon. |
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540 { $$ = $1; } |
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541 ; |
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542 |
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543 cell_rows1 : cell_or_matrix_row |
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544 { $$ = new tree_cell ($1); } |
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545 | cell_rows1 ';' cell_or_matrix_row |
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546 { |
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547 $1->append ($3); |
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548 $$ = $1; |
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549 } |
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550 ; |
3351 | 551 |
552 cell_or_matrix_row | |
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553 : arg_list |
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554 { $$ = curr_parser->validate_matrix_row ($1); } |
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555 | arg_list ',' // Ignore trailing comma. |
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556 { $$ = curr_parser->validate_matrix_row ($1); } |
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557 ; |
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558 |
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559 fcn_handle : '@' FCN_HANDLE |
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560 { |
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561 $$ = curr_parser->make_fcn_handle ($2); |
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562 curr_lexer->looking_at_function_handle--; |
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563 } |
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564 ; |
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565 |
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566 anon_fcn_handle : '@' param_list statement |
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567 { |
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568 curr_lexer->quote_is_transpose = false; |
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569 $$ = curr_parser->make_anon_fcn_handle ($2, $3); |
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570 } |
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571 ; |
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572 |
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573 primary_expr : identifier |
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574 { $$ = $1; } |
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575 | constant |
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576 { $$ = $1; } |
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577 | fcn_handle |
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578 { $$ = $1; } |
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579 | matrix |
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580 { $$ = $1; } |
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581 | cell |
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582 { $$ = $1; } |
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583 | meta_identifier |
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584 { $$ = $1; } |
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585 | superclass_identifier |
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586 { $$ = $1; } |
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587 | '(' expression ')' |
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588 { $$ = $2->mark_in_parens (); } |
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589 ; |
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590 |
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591 magic_colon : ':' |
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592 { |
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593 octave_value tmp (octave_value::magic_colon_t); |
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594 $$ = new tree_constant (tmp); |
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595 } |
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596 ; |
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597 |
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598 magic_tilde : EXPR_NOT |
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599 { |
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600 $$ = new tree_black_hole (); |
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601 } |
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602 ; |
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603 |
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604 arg_list : expression |
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605 { $$ = new tree_argument_list ($1); } |
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606 | magic_colon |
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607 { $$ = new tree_argument_list ($1); } |
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608 | magic_tilde |
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609 { $$ = new tree_argument_list ($1); } |
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610 | arg_list ',' magic_colon |
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611 { |
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612 $1->append ($3); |
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613 $$ = $1; |
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614 } |
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615 | arg_list ',' magic_tilde |
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616 { |
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617 $1->append ($3); |
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618 $$ = $1; |
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619 } |
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620 | arg_list ',' expression |
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621 { |
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622 $1->append ($3); |
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623 $$ = $1; |
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624 } |
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625 ; |
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626 |
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627 indirect_ref_op : '.' |
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628 { curr_lexer->looking_at_indirect_ref = true; } |
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629 ; |
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630 |
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631 oper_expr : primary_expr |
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632 { $$ = $1; } |
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633 | oper_expr PLUS_PLUS |
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634 { $$ = curr_parser->make_postfix_op (PLUS_PLUS, $1, $2); } |
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635 | oper_expr MINUS_MINUS |
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636 { $$ = curr_parser->make_postfix_op (MINUS_MINUS, $1, $2); } |
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637 | oper_expr '(' ')' |
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638 { $$ = curr_parser->make_index_expression ($1, 0, '('); } |
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639 | oper_expr '(' arg_list ')' |
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640 { $$ = curr_parser->make_index_expression ($1, $3, '('); } |
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641 | oper_expr '{' '}' |
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642 { $$ = curr_parser->make_index_expression ($1, 0, '{'); } |
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643 | oper_expr '{' arg_list '}' |
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644 { $$ = curr_parser->make_index_expression ($1, $3, '{'); } |
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645 | oper_expr QUOTE |
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646 { $$ = curr_parser->make_postfix_op (QUOTE, $1, $2); } |
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647 | oper_expr TRANSPOSE |
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648 { $$ = curr_parser->make_postfix_op (TRANSPOSE, $1, $2); } |
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649 | oper_expr indirect_ref_op STRUCT_ELT |
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650 { $$ = curr_parser->make_indirect_ref ($1, $3->text ()); } |
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651 | oper_expr indirect_ref_op '(' expression ')' |
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652 { $$ = curr_parser->make_indirect_ref ($1, $4); } |
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653 | PLUS_PLUS oper_expr %prec UNARY |
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654 { $$ = curr_parser->make_prefix_op (PLUS_PLUS, $2, $1); } |
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655 | MINUS_MINUS oper_expr %prec UNARY |
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656 { $$ = curr_parser->make_prefix_op (MINUS_MINUS, $2, $1); } |
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657 | EXPR_NOT oper_expr %prec UNARY |
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658 { $$ = curr_parser->make_prefix_op (EXPR_NOT, $2, $1); } |
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659 | '+' oper_expr %prec UNARY |
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660 { $$ = curr_parser->make_prefix_op ('+', $2, $1); } |
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661 | '-' oper_expr %prec UNARY |
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662 { $$ = curr_parser->make_prefix_op ('-', $2, $1); } |
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663 | oper_expr POW oper_expr |
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664 { $$ = curr_parser->make_binary_op (POW, $1, $2, $3); } |
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665 | oper_expr EPOW oper_expr |
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666 { $$ = curr_parser->make_binary_op (EPOW, $1, $2, $3); } |
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667 | oper_expr '+' oper_expr |
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668 { $$ = curr_parser->make_binary_op ('+', $1, $2, $3); } |
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669 | oper_expr '-' oper_expr |
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670 { $$ = curr_parser->make_binary_op ('-', $1, $2, $3); } |
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671 | oper_expr '*' oper_expr |
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672 { $$ = curr_parser->make_binary_op ('*', $1, $2, $3); } |
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673 | oper_expr '/' oper_expr |
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674 { $$ = curr_parser->make_binary_op ('/', $1, $2, $3); } |
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675 | oper_expr EPLUS oper_expr |
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676 { $$ = curr_parser->make_binary_op ('+', $1, $2, $3); } |
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677 | oper_expr EMINUS oper_expr |
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|
678 { $$ = curr_parser->make_binary_op ('-', $1, $2, $3); } |
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679 | oper_expr EMUL oper_expr |
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680 { $$ = curr_parser->make_binary_op (EMUL, $1, $2, $3); } |
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|
681 | oper_expr EDIV oper_expr |
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|
682 { $$ = curr_parser->make_binary_op (EDIV, $1, $2, $3); } |
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|
683 | oper_expr LEFTDIV oper_expr |
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|
684 { $$ = curr_parser->make_binary_op (LEFTDIV, $1, $2, $3); } |
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|
685 | oper_expr ELEFTDIV oper_expr |
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|
686 { $$ = curr_parser->make_binary_op (ELEFTDIV, $1, $2, $3); } |
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687 ; |
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688 |
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689 colon_expr : colon_expr1 |
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690 { $$ = curr_parser->finish_colon_expression ($1); } |
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691 ; |
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692 |
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693 colon_expr1 : oper_expr |
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694 { $$ = new tree_colon_expression ($1); } |
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695 | colon_expr1 ':' oper_expr |
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696 { |
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697 if (! ($$ = $1->append ($3))) |
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698 ABORT_PARSE; |
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699 } |
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700 ; |
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701 |
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702 simple_expr : colon_expr |
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703 { $$ = $1; } |
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704 | simple_expr LSHIFT simple_expr |
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705 { $$ = curr_parser->make_binary_op (LSHIFT, $1, $2, $3); } |
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706 | simple_expr RSHIFT simple_expr |
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707 { $$ = curr_parser->make_binary_op (RSHIFT, $1, $2, $3); } |
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708 | simple_expr EXPR_LT simple_expr |
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709 { $$ = curr_parser->make_binary_op (EXPR_LT, $1, $2, $3); } |
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710 | simple_expr EXPR_LE simple_expr |
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711 { $$ = curr_parser->make_binary_op (EXPR_LE, $1, $2, $3); } |
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712 | simple_expr EXPR_EQ simple_expr |
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713 { $$ = curr_parser->make_binary_op (EXPR_EQ, $1, $2, $3); } |
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714 | simple_expr EXPR_GE simple_expr |
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715 { $$ = curr_parser->make_binary_op (EXPR_GE, $1, $2, $3); } |
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716 | simple_expr EXPR_GT simple_expr |
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717 { $$ = curr_parser->make_binary_op (EXPR_GT, $1, $2, $3); } |
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718 | simple_expr EXPR_NE simple_expr |
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719 { $$ = curr_parser->make_binary_op (EXPR_NE, $1, $2, $3); } |
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720 | simple_expr EXPR_AND simple_expr |
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721 { $$ = curr_parser->make_binary_op (EXPR_AND, $1, $2, $3); } |
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722 | simple_expr EXPR_OR simple_expr |
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723 { $$ = curr_parser->make_binary_op (EXPR_OR, $1, $2, $3); } |
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724 | simple_expr EXPR_AND_AND simple_expr |
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725 { $$ = curr_parser->make_boolean_op (EXPR_AND_AND, $1, $2, $3); } |
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726 | simple_expr EXPR_OR_OR simple_expr |
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727 { $$ = curr_parser->make_boolean_op (EXPR_OR_OR, $1, $2, $3); } |
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728 ; |
2970 | 729 |
15466
d174210ce1ec
use ' instead of ` in error messages, warnings and most comments
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diff
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|
730 // Arrange for the lexer to return CLOSE_BRACE for ']' by looking ahead |
2970 | 731 // one token for an assignment op. |
732 | |
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733 assign_lhs : simple_expr |
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734 { |
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735 $$ = new tree_argument_list ($1); |
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736 $$->mark_as_simple_assign_lhs (); |
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737 } |
14533
e6aa044253eb
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Max Brister <max@2bass.com>
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diff
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|
738 | '[' arg_list opt_comma CLOSE_BRACE |
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739 { |
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740 $$ = $2; |
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741 curr_lexer->looking_at_matrix_or_assign_lhs = false; |
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742 for (std::set<std::string>::const_iterator p = curr_lexer->pending_local_variables.begin (); |
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743 p != curr_lexer->pending_local_variables.end (); |
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744 p++) |
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745 { |
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746 symbol_table::force_variable (*p); |
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747 } |
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748 curr_lexer->pending_local_variables.clear (); |
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749 } |
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750 ; |
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751 |
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752 assign_expr : assign_lhs '=' expression |
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753 { $$ = curr_parser->make_assign_op ('=', $1, $2, $3); } |
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754 | assign_lhs ADD_EQ expression |
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755 { $$ = curr_parser->make_assign_op (ADD_EQ, $1, $2, $3); } |
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756 | assign_lhs SUB_EQ expression |
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757 { $$ = curr_parser->make_assign_op (SUB_EQ, $1, $2, $3); } |
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758 | assign_lhs MUL_EQ expression |
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759 { $$ = curr_parser->make_assign_op (MUL_EQ, $1, $2, $3); } |
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760 | assign_lhs DIV_EQ expression |
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761 { $$ = curr_parser->make_assign_op (DIV_EQ, $1, $2, $3); } |
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762 | assign_lhs LEFTDIV_EQ expression |
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763 { $$ = curr_parser->make_assign_op (LEFTDIV_EQ, $1, $2, $3); } |
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764 | assign_lhs POW_EQ expression |
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765 { $$ = curr_parser->make_assign_op (POW_EQ, $1, $2, $3); } |
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766 | assign_lhs LSHIFT_EQ expression |
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767 { $$ = curr_parser->make_assign_op (LSHIFT_EQ, $1, $2, $3); } |
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768 | assign_lhs RSHIFT_EQ expression |
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769 { $$ = curr_parser->make_assign_op (RSHIFT_EQ, $1, $2, $3); } |
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770 | assign_lhs EMUL_EQ expression |
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771 { $$ = curr_parser->make_assign_op (EMUL_EQ, $1, $2, $3); } |
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772 | assign_lhs EDIV_EQ expression |
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773 { $$ = curr_parser->make_assign_op (EDIV_EQ, $1, $2, $3); } |
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774 | assign_lhs ELEFTDIV_EQ expression |
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775 { $$ = curr_parser->make_assign_op (ELEFTDIV_EQ, $1, $2, $3); } |
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776 | assign_lhs EPOW_EQ expression |
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777 { $$ = curr_parser->make_assign_op (EPOW_EQ, $1, $2, $3); } |
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778 | assign_lhs AND_EQ expression |
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779 { $$ = curr_parser->make_assign_op (AND_EQ, $1, $2, $3); } |
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780 | assign_lhs OR_EQ expression |
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781 { $$ = curr_parser->make_assign_op (OR_EQ, $1, $2, $3); } |
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782 ; |
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783 |
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784 expression : simple_expr |
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785 { $$ = $1; } |
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786 | assign_expr |
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787 { $$ = $1; } |
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788 | anon_fcn_handle |
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789 { $$ = $1; } |
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790 ; |
2970 | 791 |
792 // ================================================ | |
793 // Commands, declarations, and function definitions | |
794 // ================================================ | |
795 | |
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796 command : declaration |
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797 { $$ = $1; } |
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798 | select_command |
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799 { $$ = $1; } |
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800 | loop_command |
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801 { $$ = $1; } |
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802 | jump_command |
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803 { $$ = $1; } |
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804 | except_command |
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|
805 { $$ = $1; } |
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806 | function |
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807 { $$ = $1; } |
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808 | script_file |
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809 { $$ = $1; } |
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|
810 | classdef |
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811 { $$ = $1; } |
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|
812 ; |
2970 | 813 |
814 // ===================== | |
815 // Declaration statemnts | |
816 // ===================== | |
817 | |
8701
1652e39b934e
handle command names in declaration lists
John W. Eaton <jwe@octave.org>
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diff
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|
818 parsing_decl_list |
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819 : // empty |
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820 { curr_lexer->looking_at_decl_list = true; } |
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821 |
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822 declaration : GLOBAL parsing_decl_list decl1 |
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823 { |
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|
824 $$ = curr_parser->make_decl_command (GLOBAL, $1, $3); |
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825 curr_lexer->looking_at_decl_list = false; |
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826 } |
14294
9e3983c8963c
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diff
changeset
|
827 | PERSISTENT parsing_decl_list decl1 |
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828 { |
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|
829 $$ = curr_parser->make_decl_command (PERSISTENT, $1, $3); |
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use pointer for global lexical_feedback structure
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830 curr_lexer->looking_at_decl_list = false; |
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831 } |
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832 ; |
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833 |
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|
834 decl1 : decl2 |
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835 { $$ = new tree_decl_init_list ($1); } |
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836 | decl1 decl2 |
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837 { |
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838 $1->append ($2); |
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839 $$ = $1; |
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840 } |
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841 ; |
2970 | 842 |
7634
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|
843 decl_param_init : // empty |
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|
844 { curr_lexer->looking_at_initializer_expression = true; } |
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845 |
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|
846 decl2 : identifier |
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847 { $$ = new tree_decl_elt ($1); } |
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848 | identifier '=' decl_param_init expression |
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|
849 { |
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|
850 curr_lexer->looking_at_initializer_expression = false; |
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851 $$ = new tree_decl_elt ($1, $4); |
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|
852 } |
10206
37a08e0ce2dc
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Jaroslav Hajek <highegg@gmail.com>
parents:
10188
diff
changeset
|
853 | magic_tilde |
37a08e0ce2dc
support Matlab-style empty output/input arguments
Jaroslav Hajek <highegg@gmail.com>
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diff
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|
854 { |
37a08e0ce2dc
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Jaroslav Hajek <highegg@gmail.com>
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diff
changeset
|
855 $$ = new tree_decl_elt ($1); |
37a08e0ce2dc
support Matlab-style empty output/input arguments
Jaroslav Hajek <highegg@gmail.com>
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|
856 } |
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|
857 ; |
2970 | 858 |
859 // ==================== | |
860 // Selection statements | |
861 // ==================== | |
862 | |
10315
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|
863 select_command : if_command |
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|
864 { $$ = $1; } |
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|
865 | switch_command |
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|
866 { $$ = $1; } |
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|
867 ; |
2970 | 868 |
869 // ============ | |
870 // If statement | |
871 // ============ | |
872 | |
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|
873 if_command : IF stash_comment if_cmd_list END |
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|
874 { |
16134
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|
875 if (! ($$ = curr_parser->finish_if_command ($1, $3, $4, $2))) |
10315
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|
876 ABORT_PARSE; |
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|
877 } |
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|
878 ; |
57a59eae83cc
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|
879 |
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|
880 if_cmd_list : if_cmd_list1 |
57a59eae83cc
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|
881 { $$ = $1; } |
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|
882 | if_cmd_list1 else_clause |
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|
883 { |
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|
884 $1->append ($2); |
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|
885 $$ = $1; |
57a59eae83cc
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|
886 } |
57a59eae83cc
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|
887 ; |
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|
888 |
57a59eae83cc
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|
889 if_cmd_list1 : expression opt_sep opt_list |
11091
5677f3f7b5fa
Matlab compatible short-circuit behavior for & and | operators
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
890 { |
5677f3f7b5fa
Matlab compatible short-circuit behavior for & and | operators
John W. Eaton <jwe@octave.org>
parents:
11060
diff
changeset
|
891 $1->mark_braindead_shortcircuit (curr_fcn_file_full_name); |
5677f3f7b5fa
Matlab compatible short-circuit behavior for & and | operators
John W. Eaton <jwe@octave.org>
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11060
diff
changeset
|
892 |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
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16133
diff
changeset
|
893 $$ = curr_parser->start_if_command ($1, $3); |
11091
5677f3f7b5fa
Matlab compatible short-circuit behavior for & and | operators
John W. Eaton <jwe@octave.org>
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diff
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|
894 } |
10315
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|
895 | if_cmd_list1 elseif_clause |
57a59eae83cc
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|
896 { |
57a59eae83cc
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|
897 $1->append ($2); |
57a59eae83cc
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|
898 $$ = $1; |
57a59eae83cc
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|
899 } |
57a59eae83cc
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|
900 ; |
57a59eae83cc
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|
901 |
57a59eae83cc
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|
902 elseif_clause : ELSEIF stash_comment opt_sep expression opt_sep opt_list |
11091
5677f3f7b5fa
Matlab compatible short-circuit behavior for & and | operators
John W. Eaton <jwe@octave.org>
parents:
11060
diff
changeset
|
903 { |
5677f3f7b5fa
Matlab compatible short-circuit behavior for & and | operators
John W. Eaton <jwe@octave.org>
parents:
11060
diff
changeset
|
904 $4->mark_braindead_shortcircuit (curr_fcn_file_full_name); |
5677f3f7b5fa
Matlab compatible short-circuit behavior for & and | operators
John W. Eaton <jwe@octave.org>
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diff
changeset
|
905 |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
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diff
changeset
|
906 $$ = curr_parser->make_elseif_clause ($1, $4, $6, $2); |
11091
5677f3f7b5fa
Matlab compatible short-circuit behavior for & and | operators
John W. Eaton <jwe@octave.org>
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diff
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|
907 } |
10315
57a59eae83cc
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|
908 ; |
57a59eae83cc
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|
909 |
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|
910 else_clause : ELSE stash_comment opt_sep opt_list |
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|
911 { $$ = new tree_if_clause ($4, $2); } |
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|
912 ; |
2970 | 913 |
914 // ================ | |
915 // Switch statement | |
916 // ================ | |
917 | |
10315
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918 switch_command : SWITCH stash_comment expression opt_sep case_list END |
57a59eae83cc
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919 { |
16134
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|
920 if (! ($$ = curr_parser->finish_switch_command ($1, $3, $5, $6, $2))) |
10315
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|
921 ABORT_PARSE; |
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|
922 } |
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|
923 ; |
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|
924 |
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|
925 case_list : // empty |
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|
926 { $$ = new tree_switch_case_list (); } |
11317
2da532d0f41c
accept otherwise clause in switch statement without preceding case statements
John W. Eaton <jwe@octave.org>
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11258
diff
changeset
|
927 | default_case |
2da532d0f41c
accept otherwise clause in switch statement without preceding case statements
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diff
changeset
|
928 { $$ = new tree_switch_case_list ($1); } |
10315
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|
929 | case_list1 |
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930 { $$ = $1; } |
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931 | case_list1 default_case |
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|
932 { |
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933 $1->append ($2); |
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|
934 $$ = $1; |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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11572
diff
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|
935 } |
10315
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|
936 ; |
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|
937 |
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938 case_list1 : switch_case |
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939 { $$ = new tree_switch_case_list ($1); } |
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940 | case_list1 switch_case |
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|
941 { |
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942 $1->append ($2); |
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|
943 $$ = $1; |
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|
944 } |
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|
945 ; |
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946 |
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|
947 switch_case : CASE stash_comment opt_sep expression opt_sep opt_list |
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948 { $$ = curr_parser->make_switch_case ($1, $4, $6, $2); } |
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949 ; |
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950 |
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951 default_case : OTHERWISE stash_comment opt_sep opt_list |
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952 { |
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953 $$ = new tree_switch_case ($4, $2); |
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954 } |
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955 ; |
2970 | 956 |
957 // ======= | |
958 // Looping | |
959 // ======= | |
960 | |
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961 loop_command : WHILE stash_comment expression opt_sep opt_list END |
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962 { |
11091
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Matlab compatible short-circuit behavior for & and | operators
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diff
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|
963 $3->mark_braindead_shortcircuit (curr_fcn_file_full_name); |
5677f3f7b5fa
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|
964 |
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965 if (! ($$ = curr_parser->make_while_command ($1, $3, $5, $6, $2))) |
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966 ABORT_PARSE; |
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|
967 } |
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968 | DO stash_comment opt_sep opt_list UNTIL expression |
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969 { |
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970 if (! ($$ = curr_parser->make_do_until_command ($5, $4, $6, $2))) |
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971 ABORT_PARSE; |
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972 } |
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973 | FOR stash_comment assign_lhs '=' expression opt_sep opt_list END |
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974 { |
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975 if (! ($$ = curr_parser->make_for_command (FOR, $1, $3, $5, 0, |
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|
976 $7, $8, $2))) |
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977 ABORT_PARSE; |
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978 } |
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979 | FOR stash_comment '(' assign_lhs '=' expression ')' opt_sep opt_list END |
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980 { |
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981 if (! ($$ = curr_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>
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|
982 $9, $10, $2))) |
027a2186cd90
parfor keyword and infrastructure, but handle parfor as normal for loop for now
John W. Eaton <jwe@octave.org>
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|
983 ABORT_PARSE; |
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John W. Eaton <jwe@octave.org>
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984 } |
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|
985 | PARFOR stash_comment assign_lhs '=' expression opt_sep opt_list END |
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986 { |
16134
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|
987 if (! ($$ = curr_parser->make_for_command (PARFOR, $1, $3, $5, |
13245
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|
988 0, $7, $8, $2))) |
027a2186cd90
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989 ABORT_PARSE; |
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|
990 } |
027a2186cd90
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|
991 | PARFOR stash_comment '(' assign_lhs '=' expression ',' expression ')' opt_sep opt_list END |
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|
992 { |
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993 if (! ($$ = curr_parser->make_for_command (PARFOR, $1, $4, $6, |
13245
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|
994 $8, $11, $12, $2))) |
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995 ABORT_PARSE; |
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996 } |
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997 ; |
2970 | 998 |
999 // ======= | |
1000 // Jumping | |
1001 // ======= | |
1002 | |
10315
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1003 jump_command : BREAK |
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1004 { |
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1005 if (! ($$ = curr_parser->make_break_command ($1))) |
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1006 ABORT_PARSE; |
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1007 } |
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1008 | CONTINUE |
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1009 { |
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1010 if (! ($$ = curr_parser->make_continue_command ($1))) |
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1011 ABORT_PARSE; |
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1012 } |
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1013 | FUNC_RET |
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1014 { |
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1015 if (! ($$ = curr_parser->make_return_command ($1))) |
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1016 ABORT_PARSE; |
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1017 } |
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1018 ; |
2970 | 1019 |
1020 // ========== | |
1021 // Exceptions | |
1022 // ========== | |
1023 | |
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1024 except_command : UNWIND stash_comment opt_sep opt_list CLEANUP |
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1025 stash_comment opt_sep opt_list END |
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1026 { |
16134
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1027 if (! ($$ = curr_parser->make_unwind_command ($1, $4, $8, $9, $2, $6))) |
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|
1028 ABORT_PARSE; |
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|
1029 } |
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1030 | TRY stash_comment opt_sep opt_list CATCH |
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1031 stash_comment opt_sep opt_list END |
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1032 { |
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1033 if (! ($$ = curr_parser->make_try_command ($1, $4, $8, $9, $2, $6))) |
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|
1034 ABORT_PARSE; |
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1035 } |
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1036 | TRY stash_comment opt_sep opt_list END |
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1037 { |
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1038 if (! ($$ = curr_parser->make_try_command ($1, $4, 0, $5, $2, 0))) |
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1039 ABORT_PARSE; |
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1040 } |
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1041 ; |
2970 | 1042 |
1043 // =========================================== | |
15466
d174210ce1ec
use ' instead of ` in error messages, warnings and most comments
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1044 // Some 'subroutines' for function definitions |
2970 | 1045 // =========================================== |
1046 | |
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1047 push_fcn_symtab : // empty |
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1048 { |
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1049 current_function_depth++; |
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1050 |
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1051 if (max_function_depth < current_function_depth) |
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1052 max_function_depth = current_function_depth; |
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1053 |
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1054 parser_symtab_context.push (); |
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1055 |
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1056 symbol_table::set_scope (symbol_table::alloc_scope ()); |
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1057 |
14544
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
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diff
changeset
|
1058 function_scopes.push_back (symbol_table::current_scope ()); |
be18c9e359bf
Nested function support (bug #35772)
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1059 |
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1060 if (! reading_script_file && current_function_depth == 1 |
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1061 && ! parsing_subfunctions) |
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1062 primary_fcn_scope = symbol_table::current_scope (); |
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1063 |
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1064 if (reading_script_file && current_function_depth > 1) |
16142
26d65d677557
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|
1065 curr_parser->bison_error ("nested functions not implemented in this context"); |
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1066 } |
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1067 ; |
2970 | 1068 |
1069 // =========================== | |
1070 // List of function parameters | |
1071 // =========================== | |
1072 | |
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1073 param_list_beg : '(' |
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1074 { |
16110
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1075 curr_lexer->looking_at_parameter_list = true; |
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1076 |
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1077 if (curr_lexer->looking_at_function_handle) |
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1078 { |
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1079 parser_symtab_context.push (); |
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1080 symbol_table::set_scope (symbol_table::alloc_scope ()); |
16110
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1081 curr_lexer->looking_at_function_handle--; |
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changeset
|
1082 curr_lexer->looking_at_anon_fcn_args = true; |
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1083 } |
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1084 } |
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1085 ; |
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1086 |
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1087 param_list_end : ')' |
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1088 { |
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1089 curr_lexer->looking_at_parameter_list = false; |
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1090 curr_lexer->looking_for_object_index = false; |
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1091 } |
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1092 ; |
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1093 |
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1094 param_list : param_list_beg param_list1 param_list_end |
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1095 { |
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1096 curr_lexer->quote_is_transpose = false; |
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1097 $$ = $2; |
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1098 } |
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1099 | param_list_beg error |
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1100 { |
16142
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1101 curr_parser->bison_error ("invalid parameter list"); |
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1102 $$ = 0; |
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1103 ABORT_PARSE; |
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1104 } |
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1105 ; |
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1106 |
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1107 param_list1 : // empty |
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1108 { $$ = 0; } |
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1109 | param_list2 |
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1110 { |
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1111 $1->mark_as_formal_parameters (); |
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1112 if ($1->validate (tree_parameter_list::in)) |
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1113 $$ = $1; |
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1114 else |
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1115 ABORT_PARSE; |
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1116 } |
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1117 ; |
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1118 |
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1119 param_list2 : decl2 |
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1120 { $$ = new tree_parameter_list ($1); } |
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1121 | param_list2 ',' decl2 |
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1122 { |
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1123 $1->append ($3); |
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1124 $$ = $1; |
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1125 } |
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1126 ; |
2970 | 1127 |
1128 // =================================== | |
1129 // List of function return value names | |
1130 // =================================== | |
1131 | |
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1132 return_list : '[' ']' |
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1133 { |
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1134 curr_lexer->looking_at_return_list = false; |
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1135 $$ = new tree_parameter_list (); |
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1136 } |
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1137 | return_list1 |
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1138 { |
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1139 curr_lexer->looking_at_return_list = false; |
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1140 if ($1->validate (tree_parameter_list::out)) |
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1141 $$ = $1; |
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1142 else |
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|
1143 ABORT_PARSE; |
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1144 } |
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1145 | '[' return_list1 ']' |
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1146 { |
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1147 curr_lexer->looking_at_return_list = false; |
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|
1148 if ($2->validate (tree_parameter_list::out)) |
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|
1149 $$ = $2; |
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|
1150 else |
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|
1151 ABORT_PARSE; |
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|
1152 } |
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|
1153 ; |
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|
1154 |
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|
1155 return_list1 : identifier |
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1156 { $$ = new tree_parameter_list (new tree_decl_elt ($1)); } |
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1157 | return_list1 ',' identifier |
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|
1158 { |
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1159 $1->append (new tree_decl_elt ($3)); |
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|
1160 $$ = $1; |
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|
1161 } |
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|
1162 ; |
2970 | 1163 |
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parse scripts completely before executing
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|
1164 // =========== |
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|
1165 // Script file |
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|
1166 // =========== |
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|
1167 |
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1168 script_file : SCRIPT_FILE opt_list END_OF_INPUT |
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1169 { |
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1170 tree_statement *end_of_script |
16134
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move static parser helper functions to octave_parser class
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|
1171 = curr_parser->make_end ("endscript", |
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move static parser helper functions to octave_parser class
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1172 curr_lexer->input_line_number, |
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|
1173 curr_lexer->current_input_column); |
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1174 |
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1175 curr_parser->make_script ($2, end_of_script); |
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1176 |
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1177 $$ = 0; |
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1178 } |
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1179 ; |
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|
1180 |
9474
25ed2d6aacf6
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diff
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|
1181 // ============= |
25ed2d6aacf6
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diff
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|
1182 // Function file |
25ed2d6aacf6
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|
1183 // ============= |
25ed2d6aacf6
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|
1184 |
25ed2d6aacf6
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|
1185 function_file : FUNCTION_FILE function_list opt_sep END_OF_INPUT |
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1186 { $$ = 0; } |
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1187 ; |
9474
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|
1188 |
25ed2d6aacf6
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1189 function_list : function |
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1190 | function_list sep function |
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1191 ; |
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|
1192 |
2970 | 1193 // =================== |
1194 // Function definition | |
1195 // =================== | |
1196 | |
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1197 function_beg : push_fcn_symtab FCN stash_comment |
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1198 { |
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1199 $$ = $3; |
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1200 |
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1201 if (reading_classdef_file || curr_lexer->parsing_classdef) |
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1202 curr_lexer->maybe_classdef_get_set_method = true; |
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1203 } |
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1204 ; |
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1205 |
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1206 function : function_beg function1 |
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1207 { |
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1208 $$ = curr_parser->finish_function (0, $2, $1); |
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1209 curr_parser->recover_from_parsing_function (); |
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1210 } |
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1211 | function_beg return_list '=' function1 |
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1212 { |
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1213 $$ = curr_parser->finish_function ($2, $4, $1); |
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1214 curr_parser->recover_from_parsing_function (); |
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1215 } |
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1216 ; |
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1217 |
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1218 fcn_name : identifier |
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1219 { |
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1220 std::string id_name = $1->name (); |
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1221 |
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1222 curr_lexer->parsed_function_name.top () = true; |
7302f8a4df83
use pointer for global lexical_feedback structure
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|
1223 curr_lexer->maybe_classdef_get_set_method = false; |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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11572
diff
changeset
|
1224 |
10315
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1225 $$ = $1; |
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1226 } |
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1227 | GET '.' identifier |
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1228 { |
16110
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use pointer for global lexical_feedback structure
John W. Eaton <jwe@octave.org>
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diff
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1229 curr_lexer->parsed_function_name.top () = true; |
7302f8a4df83
use pointer for global lexical_feedback structure
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1230 curr_lexer->maybe_classdef_get_set_method = false; |
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1231 $$ = $3; |
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|
1232 } |
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|
1233 | SET '.' identifier |
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1234 { |
16110
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|
1235 curr_lexer->parsed_function_name.top () = true; |
7302f8a4df83
use pointer for global lexical_feedback structure
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1236 curr_lexer->maybe_classdef_get_set_method = false; |
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1237 $$ = $3; |
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|
1238 } |
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|
1239 ; |
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1240 |
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1241 function1 : fcn_name function2 |
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1242 { |
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1243 std::string fname = $1->name (); |
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|
1244 |
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1245 delete $1; |
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1246 |
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move static parser helper functions to octave_parser class
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1247 if (! ($$ = curr_parser->frob_function (fname, $2))) |
10315
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1248 ABORT_PARSE; |
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1249 } |
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1250 ; |
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1251 |
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1252 function2 : param_list opt_sep opt_list function_end |
16134
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move static parser helper functions to octave_parser class
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1253 { $$ = curr_parser->start_function ($1, $3, $4); } |
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1254 | opt_sep opt_list function_end |
16134
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move static parser helper functions to octave_parser class
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1255 { $$ = curr_parser->start_function (0, $2, $3); } |
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1256 ; |
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1257 |
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1258 function_end : END |
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|
1259 { |
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1260 endfunction_found = true; |
16134
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move static parser helper functions to octave_parser class
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|
1261 if (curr_parser->end_token_ok ($1, token::function_end)) |
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move static parser helper functions to octave_parser class
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|
1262 $$ = curr_parser->make_end ("endfunction", $1->line (), $1->column ()); |
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1263 else |
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|
1264 ABORT_PARSE; |
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|
1265 } |
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|
1266 | END_OF_INPUT |
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|
1267 { |
9474
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
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9471
diff
changeset
|
1268 // A lot of tests are based on the assumption that this is OK |
10315
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1269 // if (reading_script_file) |
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1270 // { |
16142
26d65d677557
rename yyerror to bison_error and make it a member of octave_parser class
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|
1271 // curr_parser->bison_error ("function body open at end of script"); |
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|
1272 // YYABORT; |
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|
1273 // } |
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|
1274 |
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1275 if (endfunction_found) |
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|
1276 { |
16142
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rename yyerror to bison_error and make it a member of octave_parser class
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1277 curr_parser->bison_error ("inconsistent function endings -- " |
10315
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1278 "if one function is explicitly ended, " |
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1279 "so must all the others"); |
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|
1280 YYABORT; |
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|
1281 } |
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|
1282 |
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changeset
|
1283 if (! (reading_fcn_file || reading_script_file |
10130
0c3609dd34cf
oct-parse.yy (eval_string): save and set reading_{script,fcn,classdef}_file vars
John W. Eaton <jwe@octave.org>
parents:
10067
diff
changeset
|
1284 || get_input_from_eval_string)) |
10315
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|
1285 { |
16142
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rename yyerror to bison_error and make it a member of octave_parser class
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1286 curr_parser->bison_error ("function body open at end of input"); |
10315
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|
1287 YYABORT; |
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|
1288 } |
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|
1289 |
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1290 if (reading_classdef_file) |
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|
1291 { |
16142
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rename yyerror to bison_error and make it a member of octave_parser class
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1292 curr_parser->bison_error ("classdef body open at end of input"); |
10315
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|
1293 YYABORT; |
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|
1294 } |
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|
1295 |
16134
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move static parser helper functions to octave_parser class
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|
1296 $$ = curr_parser->make_end ("endfunction", |
ec9c6222ef5a
move static parser helper functions to octave_parser class
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changeset
|
1297 curr_lexer->input_line_number, |
ec9c6222ef5a
move static parser helper functions to octave_parser class
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changeset
|
1298 curr_lexer->current_input_column); |
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|
1299 } |
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|
1300 ; |
2970 | 1301 |
9476 | 1302 // ======== |
1303 // Classdef | |
1304 // ======== | |
1305 | |
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|
1306 classdef_beg : CLASSDEF stash_comment |
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|
1307 { |
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1308 $$ = 0; |
16110
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use pointer for global lexical_feedback structure
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changeset
|
1309 curr_lexer->parsing_classdef = true; |
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|
1310 } |
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1311 ; |
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1312 |
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1313 classdef_end : END |
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1314 { |
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|
1315 curr_lexer->parsing_classdef = false; |
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1316 |
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|
1317 if (curr_parser->end_token_ok ($1, token::classdef_end)) |
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|
1318 $$ = curr_parser->make_end ("endclassdef", $1->line (), $1->column ()); |
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1319 else |
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|
1320 ABORT_PARSE; |
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|
1321 } |
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|
1322 ; |
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1323 |
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1324 classdef1 : classdef_beg opt_attr_list identifier opt_superclasses |
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1325 { $$ = 0; } |
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|
1326 ; |
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1327 |
13250
f6bbdea030b2
use opt_sep instead of literal '\n' in parser rules for classdef
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|
1328 classdef : classdef1 opt_sep class_body opt_sep stash_comment classdef_end |
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1329 { $$ = 0; } |
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|
1330 ; |
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|
1331 |
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1332 opt_attr_list : // empty |
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1333 { $$ = 0; } |
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1334 | '(' attr_list ')' |
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1335 { $$ = 0; } |
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1336 ; |
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1337 |
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1338 attr_list : attr |
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1339 { $$ = 0; } |
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1340 | attr_list ',' attr |
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1341 { $$ = 0; } |
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|
1342 ; |
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1343 |
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1344 attr : identifier |
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|
1345 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1346 | identifier '=' decl_param_init expression |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1347 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1348 | EXPR_NOT identifier |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1349 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1350 ; |
9476 | 1351 |
1352 opt_superclasses | |
10315
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1353 : // empty |
57a59eae83cc
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John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1354 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1355 | superclasses |
57a59eae83cc
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John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1356 { $$ = 0; } |
57a59eae83cc
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John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1357 ; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1358 |
57a59eae83cc
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
1359 superclasses : EXPR_LT identifier '.' identifier |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1360 { $$ = 0; } |
57a59eae83cc
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John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1361 | EXPR_LT identifier |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1362 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1363 | superclasses EXPR_AND identifier '.' identifier |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1364 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1365 | superclasses EXPR_AND identifier |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1366 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1367 ; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1368 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1369 class_body : properties_block |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1370 { $$ = 0; } |
57a59eae83cc
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
1371 | methods_block |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1372 { $$ = 0; } |
57a59eae83cc
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
1373 | events_block |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1374 { $$ = 0; } |
13249
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1375 | enum_block |
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1376 { $$ = 0; } |
13250
f6bbdea030b2
use opt_sep instead of literal '\n' in parser rules for classdef
John W. Eaton <jwe@octave.org>
parents:
13249
diff
changeset
|
1377 | class_body opt_sep properties_block |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1378 { $$ = 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
|
1379 | class_body opt_sep methods_block |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1380 { $$ = 0; } |
13250
f6bbdea030b2
use opt_sep instead of literal '\n' in parser rules for classdef
John W. Eaton <jwe@octave.org>
parents:
13249
diff
changeset
|
1381 | class_body opt_sep events_block |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1382 { $$ = 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
|
1383 | class_body opt_sep enum_block |
13249
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1384 { $$ = 0; } |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1385 ; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1386 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1387 properties_beg : PROPERTIES stash_comment |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1388 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1389 ; |
9476 | 1390 |
1391 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
|
1392 : 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:
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diff
changeset
|
1393 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1394 ; |
9476 | 1395 |
1396 properties_list | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1397 : class_property |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1398 { $$ = 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
|
1399 | properties_list opt_sep class_property |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1400 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1401 ; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1402 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1403 class_property : identifier |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1404 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1405 | identifier '=' decl_param_init expression ';' |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1406 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1407 ; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1408 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1409 methods_beg : METHODS stash_comment |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10250
diff
changeset
|
1410 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1411 ; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1412 |
13250
f6bbdea030b2
use opt_sep instead of literal '\n' in parser rules for classdef
John W. Eaton <jwe@octave.org>
parents:
13249
diff
changeset
|
1413 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
|
1414 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1415 ; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10250
diff
changeset
|
1416 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1417 methods_list : function |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1418 { $$ = 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
|
1419 | methods_list opt_sep function |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1420 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1421 ; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1422 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10250
diff
changeset
|
1423 events_beg : EVENTS stash_comment |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1424 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1425 ; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1426 |
13250
f6bbdea030b2
use opt_sep instead of literal '\n' in parser rules for classdef
John W. Eaton <jwe@octave.org>
parents:
13249
diff
changeset
|
1427 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
|
1428 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1429 ; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1430 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1431 events_list : class_event |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1432 { $$ = 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
|
1433 | events_list opt_sep class_event |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1434 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1435 ; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1436 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1437 class_event : identifier |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1438 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1439 ; |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
1440 |
13249
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1441 enum_beg : ENUMERATION stash_comment |
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1442 { $$ = 0; } |
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1443 ; |
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1444 |
13250
f6bbdea030b2
use opt_sep instead of literal '\n' in parser rules for classdef
John W. Eaton <jwe@octave.org>
parents:
13249
diff
changeset
|
1445 enum_block : enum_beg opt_attr_list opt_sep enum_list opt_sep END |
13249
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1446 { $$ = 0; } |
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1447 ; |
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1448 |
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1449 enum_list : class_enum |
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1450 { $$ = 0; } |
13250
f6bbdea030b2
use opt_sep instead of literal '\n' in parser rules for classdef
John W. Eaton <jwe@octave.org>
parents:
13249
diff
changeset
|
1451 | enum_list opt_sep class_enum |
13249
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1452 { $$ = 0; } |
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1453 ; |
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1454 |
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1455 class_enum : identifier '(' expression ')' |
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1456 { $$ = 0; } |
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1457 ; |
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1458 |
2970 | 1459 // ============= |
1460 // Miscellaneous | |
1461 // ============= | |
1462 | |
10315
57a59eae83cc
untabify src C++ source files
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changeset
|
1463 stash_comment : // empty |
57a59eae83cc
untabify src C++ source files
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changeset
|
1464 { $$ = octave_comment_buffer::get_comment (); } |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1465 ; |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1466 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1467 parse_error : LEXICAL_ERROR |
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
|
1468 { curr_parser->bison_error ("parse error"); } |
10315
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1469 | error |
57a59eae83cc
untabify src C++ source files
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10250
diff
changeset
|
1470 ; |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1471 |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1472 sep_no_nl : ',' |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1473 { $$ = ','; } |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1474 | ';' |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1475 { $$ = ';'; } |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1476 | sep_no_nl ',' |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1477 { $$ = $1; } |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1478 | sep_no_nl ';' |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1479 { $$ = $1; } |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1480 ; |
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|
1481 |
57a59eae83cc
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changeset
|
1482 opt_sep_no_nl : // empty |
57a59eae83cc
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diff
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|
1483 { $$ = 0; } |
57a59eae83cc
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diff
changeset
|
1484 | sep_no_nl |
57a59eae83cc
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diff
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|
1485 { $$ = $1; } |
57a59eae83cc
untabify src C++ source files
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|
1486 ; |
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changeset
|
1487 |
57a59eae83cc
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
1488 sep : ',' |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1489 { $$ = ','; } |
57a59eae83cc
untabify src C++ source files
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diff
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|
1490 | ';' |
57a59eae83cc
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|
1491 { $$ = ';'; } |
57a59eae83cc
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|
1492 | '\n' |
57a59eae83cc
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|
1493 { $$ = '\n'; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
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|
1494 | sep ',' |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1495 { $$ = $1; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1496 | sep ';' |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1497 { $$ = $1; } |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1498 | sep '\n' |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1499 { $$ = $1; } |
57a59eae83cc
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diff
changeset
|
1500 ; |
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|
1501 |
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diff
changeset
|
1502 opt_sep : // empty |
57a59eae83cc
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diff
changeset
|
1503 { $$ = 0; } |
57a59eae83cc
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
1504 | sep |
57a59eae83cc
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changeset
|
1505 { $$ = $1; } |
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untabify src C++ source files
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diff
changeset
|
1506 ; |
2525 | 1507 |
14533
e6aa044253eb
Allow comma at the end of an assignment list (bug #35645)
Max Brister <max@2bass.com>
parents:
14512
diff
changeset
|
1508 opt_comma : // empty |
e6aa044253eb
Allow comma at the end of an assignment list (bug #35645)
Max Brister <max@2bass.com>
parents:
14512
diff
changeset
|
1509 { $$ = 0; } |
e6aa044253eb
Allow comma at the end of an assignment list (bug #35645)
Max Brister <max@2bass.com>
parents:
14512
diff
changeset
|
1510 | ',' |
e6aa044253eb
Allow comma at the end of an assignment list (bug #35645)
Max Brister <max@2bass.com>
parents:
14512
diff
changeset
|
1511 { $$ = ','; } |
e6aa044253eb
Allow comma at the end of an assignment list (bug #35645)
Max Brister <max@2bass.com>
parents:
14512
diff
changeset
|
1512 ; |
e6aa044253eb
Allow comma at the end of an assignment list (bug #35645)
Max Brister <max@2bass.com>
parents:
14512
diff
changeset
|
1513 |
1 | 1514 %% |
1515 | |
666 | 1516 // Generic error messages. |
1517 | |
16149
49dfba4fd3c5
use pure parser and reentrant lexer interfaces
John W. Eaton <jwe@octave.org>
parents:
16147
diff
changeset
|
1518 #undef curr_lexer |
49dfba4fd3c5
use pure parser and reentrant lexer interfaces
John W. Eaton <jwe@octave.org>
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16147
diff
changeset
|
1519 |
1 | 1520 static void |
16149
49dfba4fd3c5
use pure parser and reentrant lexer interfaces
John W. Eaton <jwe@octave.org>
parents:
16147
diff
changeset
|
1521 yyerror (octave_parser *curr_parser, const char *s) |
1 | 1522 { |
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
|
1523 curr_parser->bison_error (s); |
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
|
1524 } |
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
|
1525 |
16138
284e2ca86ef7
execute parser using member function of octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16136
diff
changeset
|
1526 int |
284e2ca86ef7
execute parser using member function of octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16136
diff
changeset
|
1527 octave_parser::run (void) |
284e2ca86ef7
execute parser using member function of octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16136
diff
changeset
|
1528 { |
16149
49dfba4fd3c5
use pure parser and reentrant lexer interfaces
John W. Eaton <jwe@octave.org>
parents:
16147
diff
changeset
|
1529 return octave_parse (this); |
16138
284e2ca86ef7
execute parser using member function of octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16136
diff
changeset
|
1530 } |
284e2ca86ef7
execute parser using member function of octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16136
diff
changeset
|
1531 |
666 | 1532 // Error mesages for mismatched end tokens. |
1533 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
1534 void |
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
1535 octave_parser::end_error (const char *type, token::end_tok_type ettype, |
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
1536 int l, int c) |
496 | 1537 { |
2805 | 1538 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
|
1539 = "'%s' command matched by '%s' near line %d column %d"; |
496 | 1540 |
1541 switch (ettype) | |
1542 { | |
1543 case token::simple_end: | |
1544 error (fmt, type, "end", l, c); | |
1545 break; | |
777 | 1546 |
496 | 1547 case token::for_end: |
1548 error (fmt, type, "endfor", l, c); | |
1549 break; | |
777 | 1550 |
496 | 1551 case token::function_end: |
1552 error (fmt, type, "endfunction", l, c); | |
1553 break; | |
777 | 1554 |
9476 | 1555 case token::classdef_end: |
1556 error (fmt, type, "endclassdef", l, c); | |
1557 break; | |
1558 | |
496 | 1559 case token::if_end: |
1560 error (fmt, type, "endif", l, c); | |
1561 break; | |
777 | 1562 |
3233 | 1563 case token::switch_end: |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
1564 error (fmt, type, "endswitch", l, c); |
3233 | 1565 break; |
1566 | |
496 | 1567 case token::while_end: |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
1568 error (fmt, type, "endwhile", l, c); |
496 | 1569 break; |
777 | 1570 |
5400 | 1571 case token::try_catch_end: |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
1572 error (fmt, type, "end_try_catch", l, c); |
5400 | 1573 break; |
1574 | |
1371 | 1575 case token::unwind_protect_end: |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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11572
diff
changeset
|
1576 error (fmt, type, "end_unwind_protect", l, c); |
1371 | 1577 break; |
1578 | |
496 | 1579 default: |
1580 panic_impossible (); | |
1581 break; | |
1582 } | |
1583 } | |
1584 | |
666 | 1585 // Check to see that end tokens are properly matched. |
1586 | |
16134
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move static parser helper functions to octave_parser class
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diff
changeset
|
1587 bool |
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
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16133
diff
changeset
|
1588 octave_parser::end_token_ok (token *tok, token::end_tok_type expected) |
143 | 1589 { |
2857 | 1590 bool retval = true; |
1591 | |
143 | 1592 token::end_tok_type ettype = tok->ettype (); |
2857 | 1593 |
143 | 1594 if (ettype != expected && ettype != token::simple_end) |
1595 { | |
2857 | 1596 retval = false; |
1597 | |
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
|
1598 bison_error ("parse error"); |
143 | 1599 |
1600 int l = tok->line (); | |
1601 int c = tok->column (); | |
1602 | |
1603 switch (expected) | |
10315
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changeset
|
1604 { |
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changeset
|
1605 case token::classdef_end: |
57a59eae83cc
untabify src C++ source files
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changeset
|
1606 end_error ("classdef", ettype, l, c); |
57a59eae83cc
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changeset
|
1607 break; |
57a59eae83cc
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diff
changeset
|
1608 |
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changeset
|
1609 case token::for_end: |
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changeset
|
1610 end_error ("for", ettype, l, c); |
57a59eae83cc
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diff
changeset
|
1611 break; |
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diff
changeset
|
1612 |
13249
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
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13246
diff
changeset
|
1613 case token::enumeration_end: |
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
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13246
diff
changeset
|
1614 end_error ("enumeration", ettype, l, c); |
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
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13246
diff
changeset
|
1615 break; |
7861a5fd3479
accept enumeration keyword
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diff
changeset
|
1616 |
10315
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changeset
|
1617 case token::function_end: |
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untabify src C++ source files
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changeset
|
1618 end_error ("function", ettype, l, c); |
57a59eae83cc
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changeset
|
1619 break; |
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changeset
|
1620 |
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changeset
|
1621 case token::if_end: |
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changeset
|
1622 end_error ("if", ettype, l, c); |
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changeset
|
1623 break; |
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diff
changeset
|
1624 |
13246 | 1625 case token::parfor_end: |
1626 end_error ("parfor", ettype, l, c); | |
1627 break; | |
1628 | |
10315
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untabify src C++ source files
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changeset
|
1629 case token::try_catch_end: |
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changeset
|
1630 end_error ("try", ettype, l, c); |
57a59eae83cc
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diff
changeset
|
1631 break; |
57a59eae83cc
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diff
changeset
|
1632 |
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changeset
|
1633 case token::switch_end: |
57a59eae83cc
untabify src C++ source files
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changeset
|
1634 end_error ("switch", ettype, l, c); |
57a59eae83cc
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diff
changeset
|
1635 break; |
57a59eae83cc
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changeset
|
1636 |
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changeset
|
1637 case token::unwind_protect_end: |
57a59eae83cc
untabify src C++ source files
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changeset
|
1638 end_error ("unwind_protect", ettype, l, c); |
57a59eae83cc
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changeset
|
1639 break; |
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changeset
|
1640 |
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changeset
|
1641 case token::while_end: |
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changeset
|
1642 end_error ("while", ettype, l, c); |
57a59eae83cc
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changeset
|
1643 break; |
57a59eae83cc
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changeset
|
1644 |
57a59eae83cc
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changeset
|
1645 default: |
57a59eae83cc
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changeset
|
1646 panic_impossible (); |
57a59eae83cc
untabify src C++ source files
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changeset
|
1647 break; |
57a59eae83cc
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changeset
|
1648 } |
143 | 1649 } |
2857 | 1650 |
1651 return retval; | |
143 | 1652 } |
1653 | |
666 | 1654 // Maybe print a warning if an assignment expression is used as the |
1655 // test in a logical expression. | |
1656 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
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16133
diff
changeset
|
1657 void |
ec9c6222ef5a
move static parser helper functions to octave_parser class
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16133
diff
changeset
|
1658 octave_parser::maybe_warn_assign_as_truth_value (tree_expression *expr) |
1 | 1659 { |
5781 | 1660 if (expr->is_assignment_expression () |
2961 | 1661 && expr->paren_count () < 2) |
1 | 1662 { |
8974
fde2a916b2ac
include line and file info in parser warnings
John W. Eaton <jwe@octave.org>
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8950
diff
changeset
|
1663 if (curr_fcn_file_full_name.empty ()) |
10315
57a59eae83cc
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changeset
|
1664 warning_with_id |
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changeset
|
1665 ("Octave:assign-as-truth-value", |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1666 "suggest parenthesis around assignment used as truth value"); |
8974
fde2a916b2ac
include line and file info in parser warnings
John W. Eaton <jwe@octave.org>
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8950
diff
changeset
|
1667 else |
10315
57a59eae83cc
untabify src C++ source files
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changeset
|
1668 warning_with_id |
57a59eae83cc
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changeset
|
1669 ("Octave:assign-as-truth-value", |
15466
d174210ce1ec
use ' instead of ` in error messages, warnings and most comments
John W. Eaton <jwe@octave.org>
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14189
diff
changeset
|
1670 "suggest parenthesis around assignment used as truth value near line %d, column %d in file '%s'", |
10315
57a59eae83cc
untabify src C++ source files
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changeset
|
1671 expr->line (), expr->column (), curr_fcn_file_full_name.c_str ()); |
1 | 1672 } |
1673 } | |
578 | 1674 |
2764 | 1675 // Maybe print a warning about switch labels that aren't constants. |
1676 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
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16133
diff
changeset
|
1677 void |
ec9c6222ef5a
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1678 octave_parser::maybe_warn_variable_switch_label (tree_expression *expr) |
2764 | 1679 { |
5781 | 1680 if (! expr->is_constant ()) |
8974
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1681 { |
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1682 if (curr_fcn_file_full_name.empty ()) |
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1683 warning_with_id ("Octave:variable-switch-label", |
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1684 "variable switch label"); |
8974
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1685 else |
10315
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1686 warning_with_id |
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|
1687 ("Octave:variable-switch-label", |
15466
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1688 "variable switch label near line %d, column %d in file '%s'", |
10315
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1689 expr->line (), expr->column (), curr_fcn_file_full_name.c_str ()); |
8974
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|
1690 } |
2764 | 1691 } |
1692 | |
2533 | 1693 static tree_expression * |
1694 fold (tree_binary_expression *e) | |
1695 { | |
3110 | 1696 tree_expression *retval = e; |
1697 | |
10067
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|
1698 unwind_protect frame; |
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1699 |
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|
1700 frame.protect_var (error_state); |
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1701 frame.protect_var (warning_state); |
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1702 |
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1703 frame.protect_var (discard_error_messages); |
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|
1704 frame.protect_var (discard_warning_messages); |
4452 | 1705 |
3815 | 1706 discard_error_messages = true; |
4452 | 1707 discard_warning_messages = true; |
2533 | 1708 |
1709 tree_expression *op1 = e->lhs (); | |
1710 tree_expression *op2 = e->rhs (); | |
1711 | |
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1712 if (op1->is_constant () && op2->is_constant ()) |
2533 | 1713 { |
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1714 octave_value tmp = e->rvalue1 (); |
2533 | 1715 |
3489 | 1716 if (! (error_state || warning_state)) |
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1717 { |
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1718 tree_constant *tc_retval |
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1719 = new tree_constant (tmp, op1->line (), op1->column ()); |
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1720 |
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1721 std::ostringstream buf; |
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1722 |
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1723 tree_print_code tpc (buf); |
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1724 |
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1725 e->accept (tpc); |
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1726 |
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1727 tc_retval->stash_original_text (buf.str ()); |
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1728 |
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1729 delete e; |
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1730 |
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1731 retval = tc_retval; |
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1732 } |
2533 | 1733 } |
3110 | 1734 |
3292 | 1735 return retval; |
1736 } | |
1737 | |
1738 static tree_expression * | |
1739 fold (tree_unary_expression *e) | |
1740 { | |
1741 tree_expression *retval = e; | |
1742 | |
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1743 unwind_protect frame; |
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1744 |
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1745 frame.protect_var (error_state); |
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1746 frame.protect_var (warning_state); |
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1747 |
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1748 frame.protect_var (discard_error_messages); |
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|
1749 frame.protect_var (discard_warning_messages); |
4452 | 1750 |
3815 | 1751 discard_error_messages = true; |
4452 | 1752 discard_warning_messages = true; |
3292 | 1753 |
1754 tree_expression *op = e->operand (); | |
1755 | |
1756 if (op->is_constant ()) | |
1757 { | |
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1758 octave_value tmp = e->rvalue1 (); |
3292 | 1759 |
3489 | 1760 if (! (error_state || warning_state)) |
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1761 { |
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1762 tree_constant *tc_retval |
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1763 = new tree_constant (tmp, op->line (), op->column ()); |
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1764 |
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1765 std::ostringstream buf; |
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1766 |
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1767 tree_print_code tpc (buf); |
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1768 |
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1769 e->accept (tpc); |
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1770 |
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1771 tc_retval->stash_original_text (buf.str ()); |
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1772 |
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1773 delete e; |
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1774 |
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1775 retval = tc_retval; |
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1776 } |
3292 | 1777 } |
1778 | |
2533 | 1779 return retval; |
1780 } | |
1781 | |
1623 | 1782 // Finish building a range. |
1783 | |
16134
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1784 tree_expression * |
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1785 octave_parser::finish_colon_expression (tree_colon_expression *e) |
1623 | 1786 { |
3110 | 1787 tree_expression *retval = e; |
1788 | |
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1789 unwind_protect frame; |
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1790 |
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1791 frame.protect_var (error_state); |
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1792 frame.protect_var (warning_state); |
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1793 |
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1794 frame.protect_var (discard_error_messages); |
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1795 frame.protect_var (discard_warning_messages); |
4452 | 1796 |
3815 | 1797 discard_error_messages = true; |
4452 | 1798 discard_warning_messages = true; |
1623 | 1799 |
2533 | 1800 tree_expression *base = e->base (); |
1801 tree_expression *limit = e->limit (); | |
1802 tree_expression *incr = e->increment (); | |
1803 | |
2970 | 1804 if (base) |
1623 | 1805 { |
2970 | 1806 if (limit) |
10315
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1807 { |
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1808 if (base->is_constant () && limit->is_constant () |
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1809 && (! incr || (incr && incr->is_constant ()))) |
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1810 { |
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1811 octave_value tmp = e->rvalue1 (); |
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1812 |
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1813 if (! (error_state || warning_state)) |
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1814 { |
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1815 tree_constant *tc_retval |
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1816 = new tree_constant (tmp, base->line (), base->column ()); |
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1817 |
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1818 std::ostringstream buf; |
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1819 |
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1820 tree_print_code tpc (buf); |
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1821 |
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1822 e->accept (tpc); |
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1823 |
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1824 tc_retval->stash_original_text (buf.str ()); |
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1825 |
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1826 delete e; |
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1827 |
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1828 retval = tc_retval; |
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1829 } |
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1830 } |
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1831 } |
2533 | 1832 else |
10315
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1833 { |
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1834 e->preserve_base (); |
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1835 delete e; |
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1836 |
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1837 // FIXME -- need to attempt constant folding here |
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1838 // too (we need a generic way to do that). |
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1839 retval = base; |
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1840 } |
1623 | 1841 } |
1842 | |
1843 return retval; | |
1844 } | |
1845 | |
1607 | 1846 // Make a constant. |
1847 | |
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1848 tree_constant * |
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1849 octave_parser::make_constant (int op, token *tok_val) |
1607 | 1850 { |
1851 int l = tok_val->line (); | |
1852 int c = tok_val->column (); | |
1853 | |
3216 | 1854 tree_constant *retval = 0; |
1607 | 1855 |
1856 switch (op) | |
1857 { | |
1858 case NUM: | |
2533 | 1859 { |
10315
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1860 octave_value tmp (tok_val->number ()); |
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1861 retval = new tree_constant (tmp, l, c); |
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1862 retval->stash_original_text (tok_val->text_rep ()); |
2533 | 1863 } |
1607 | 1864 break; |
1865 | |
1866 case IMAG_NUM: | |
1867 { | |
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1868 octave_value tmp (Complex (0.0, tok_val->number ())); |
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1869 retval = new tree_constant (tmp, l, c); |
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1870 retval->stash_original_text (tok_val->text_rep ()); |
1607 | 1871 } |
1872 break; | |
1873 | |
5279 | 1874 case DQ_STRING: |
1875 case SQ_STRING: | |
2883 | 1876 { |
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1877 std::string txt = tok_val->text (); |
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1878 |
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1879 char delim = op == DQ_STRING ? '"' : '\''; |
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1880 octave_value tmp (txt, delim); |
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1881 |
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1882 if (txt.empty ()) |
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1883 { |
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1884 if (op == DQ_STRING) |
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1885 tmp = octave_null_str::instance; |
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1886 else |
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1887 tmp = octave_null_sq_str::instance; |
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1888 } |
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1889 |
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1890 retval = new tree_constant (tmp, l, c); |
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1891 |
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1892 if (op == DQ_STRING) |
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1893 txt = undo_string_escapes (txt); |
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1894 |
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1895 // FIXME -- maybe this should also be handled by |
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1896 // tok_val->text_rep () for character strings? |
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1897 retval->stash_original_text (delim + txt + delim); |
2883 | 1898 } |
1607 | 1899 break; |
1900 | |
1901 default: | |
1902 panic_impossible (); | |
1903 break; | |
1904 } | |
1905 | |
1906 return retval; | |
1907 } | |
1908 | |
4342 | 1909 // Make a function handle. |
1910 | |
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1911 tree_fcn_handle * |
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1912 octave_parser::make_fcn_handle (token *tok_val) |
4342 | 1913 { |
1914 int l = tok_val->line (); | |
1915 int c = tok_val->column (); | |
1916 | |
1917 tree_fcn_handle *retval = new tree_fcn_handle (tok_val->text (), l, c); | |
1918 | |
1919 return retval; | |
1920 } | |
1921 | |
4935 | 1922 // Make an anonymous function handle. |
1923 | |
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1924 tree_anon_fcn_handle * |
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1925 octave_parser::make_anon_fcn_handle (tree_parameter_list *param_list, |
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1926 tree_statement *stmt) |
4935 | 1927 { |
5775 | 1928 // FIXME -- need to get these from the location of the @ symbol. |
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1929 int l = curr_lexer->input_line_number; |
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1930 int c = curr_lexer->current_input_column; |
4935 | 1931 |
1932 tree_parameter_list *ret_list = 0; | |
1933 | |
7336 | 1934 symbol_table::scope_id fcn_scope = symbol_table::current_scope (); |
5861 | 1935 |
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1936 if (parser_symtab_context.empty ()) |
5861 | 1937 panic_impossible (); |
1938 | |
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1939 parser_symtab_context.pop (); |
5861 | 1940 |
7351 | 1941 stmt->set_print_flag (false); |
4935 | 1942 |
1943 tree_statement_list *body = new tree_statement_list (stmt); | |
1944 | |
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1945 body->mark_as_anon_function_body (); |
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1946 |
5861 | 1947 tree_anon_fcn_handle *retval |
7336 | 1948 = new tree_anon_fcn_handle (param_list, ret_list, body, fcn_scope, l, c); |
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1949 // FIXME: Stash the filename. This does not work and produces |
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1950 // errors when executed. |
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1951 //retval->stash_file_name (curr_fcn_file_name); |
4935 | 1952 |
1953 return retval; | |
1954 } | |
1955 | |
666 | 1956 // Build a binary expression. |
1957 | |
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1958 tree_expression * |
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1959 octave_parser::make_binary_op (int op, tree_expression *op1, token *tok_val, |
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1960 tree_expression *op2) |
578 | 1961 { |
2883 | 1962 octave_value::binary_op t = octave_value::unknown_binary_op; |
1623 | 1963 |
578 | 1964 switch (op) |
1965 { | |
1966 case POW: | |
3525 | 1967 t = octave_value::op_pow; |
578 | 1968 break; |
777 | 1969 |
578 | 1970 case EPOW: |
3525 | 1971 t = octave_value::op_el_pow; |
578 | 1972 break; |
777 | 1973 |
578 | 1974 case '+': |
3525 | 1975 t = octave_value::op_add; |
578 | 1976 break; |
777 | 1977 |
578 | 1978 case '-': |
3525 | 1979 t = octave_value::op_sub; |
578 | 1980 break; |
777 | 1981 |
578 | 1982 case '*': |
3525 | 1983 t = octave_value::op_mul; |
578 | 1984 break; |
777 | 1985 |
578 | 1986 case '/': |
3525 | 1987 t = octave_value::op_div; |
578 | 1988 break; |
777 | 1989 |
578 | 1990 case EMUL: |
3525 | 1991 t = octave_value::op_el_mul; |
578 | 1992 break; |
777 | 1993 |
578 | 1994 case EDIV: |
3525 | 1995 t = octave_value::op_el_div; |
578 | 1996 break; |
777 | 1997 |
578 | 1998 case LEFTDIV: |
3525 | 1999 t = octave_value::op_ldiv; |
578 | 2000 break; |
777 | 2001 |
578 | 2002 case ELEFTDIV: |
3525 | 2003 t = octave_value::op_el_ldiv; |
578 | 2004 break; |
777 | 2005 |
2899 | 2006 case LSHIFT: |
3525 | 2007 t = octave_value::op_lshift; |
2899 | 2008 break; |
2009 | |
2010 case RSHIFT: | |
3525 | 2011 t = octave_value::op_rshift; |
2899 | 2012 break; |
2013 | |
578 | 2014 case EXPR_LT: |
3525 | 2015 t = octave_value::op_lt; |
578 | 2016 break; |
777 | 2017 |
578 | 2018 case EXPR_LE: |
3525 | 2019 t = octave_value::op_le; |
578 | 2020 break; |
777 | 2021 |
578 | 2022 case EXPR_EQ: |
3525 | 2023 t = octave_value::op_eq; |
578 | 2024 break; |
777 | 2025 |
578 | 2026 case EXPR_GE: |
3525 | 2027 t = octave_value::op_ge; |
578 | 2028 break; |
777 | 2029 |
578 | 2030 case EXPR_GT: |
3525 | 2031 t = octave_value::op_gt; |
578 | 2032 break; |
777 | 2033 |
578 | 2034 case EXPR_NE: |
3525 | 2035 t = octave_value::op_ne; |
578 | 2036 break; |
777 | 2037 |
578 | 2038 case EXPR_AND: |
3525 | 2039 t = octave_value::op_el_and; |
578 | 2040 break; |
777 | 2041 |
578 | 2042 case EXPR_OR: |
3525 | 2043 t = octave_value::op_el_or; |
578 | 2044 break; |
777 | 2045 |
578 | 2046 default: |
2047 panic_impossible (); | |
2048 break; | |
2049 } | |
2050 | |
2051 int l = tok_val->line (); | |
2052 int c = tok_val->column (); | |
2053 | |
2533 | 2054 tree_binary_expression *e |
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2055 = maybe_compound_binary_expression (op1, op2, l, c, t); |
1623 | 2056 |
2533 | 2057 return fold (e); |
578 | 2058 } |
2059 | |
2375 | 2060 // Build a boolean expression. |
666 | 2061 |
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2062 tree_expression * |
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2063 octave_parser::make_boolean_op (int op, tree_expression *op1, token *tok_val, |
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2064 tree_expression *op2) |
578 | 2065 { |
2375 | 2066 tree_boolean_expression::type t; |
2067 | |
578 | 2068 switch (op) |
2069 { | |
2375 | 2070 case EXPR_AND_AND: |
2805 | 2071 t = tree_boolean_expression::bool_and; |
578 | 2072 break; |
777 | 2073 |
2375 | 2074 case EXPR_OR_OR: |
2805 | 2075 t = tree_boolean_expression::bool_or; |
578 | 2076 break; |
777 | 2077 |
578 | 2078 default: |
2079 panic_impossible (); | |
2080 break; | |
2081 } | |
2082 | |
2083 int l = tok_val->line (); | |
2084 int c = tok_val->column (); | |
2085 | |
2533 | 2086 tree_boolean_expression *e |
2087 = new tree_boolean_expression (op1, op2, l, c, t); | |
2375 | 2088 |
2533 | 2089 return fold (e); |
578 | 2090 } |
2091 | |
2375 | 2092 // Build a prefix expression. |
666 | 2093 |
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2094 tree_expression * |
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2095 octave_parser::make_prefix_op (int op, tree_expression *op1, token *tok_val) |
578 | 2096 { |
3203 | 2097 octave_value::unary_op t = octave_value::unknown_unary_op; |
2375 | 2098 |
578 | 2099 switch (op) |
2100 { | |
2960 | 2101 case EXPR_NOT: |
3525 | 2102 t = octave_value::op_not; |
2960 | 2103 break; |
2104 | |
4965 | 2105 case '+': |
2106 t = octave_value::op_uplus; | |
2107 break; | |
2108 | |
2960 | 2109 case '-': |
3525 | 2110 t = octave_value::op_uminus; |
2960 | 2111 break; |
2112 | |
578 | 2113 case PLUS_PLUS: |
3525 | 2114 t = octave_value::op_incr; |
578 | 2115 break; |
777 | 2116 |
578 | 2117 case MINUS_MINUS: |
3525 | 2118 t = octave_value::op_decr; |
578 | 2119 break; |
777 | 2120 |
578 | 2121 default: |
2122 panic_impossible (); | |
2123 break; | |
2124 } | |
2125 | |
2126 int l = tok_val->line (); | |
2127 int c = tok_val->column (); | |
2128 | |
3292 | 2129 tree_prefix_expression *e |
2130 = new tree_prefix_expression (op1, l, c, t); | |
2131 | |
2132 return fold (e); | |
578 | 2133 } |
2134 | |
2375 | 2135 // Build a postfix expression. |
666 | 2136 |
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2137 tree_expression * |
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2138 octave_parser::make_postfix_op (int op, tree_expression *op1, token *tok_val) |
578 | 2139 { |
3203 | 2140 octave_value::unary_op t = octave_value::unknown_unary_op; |
1623 | 2141 |
578 | 2142 switch (op) |
2143 { | |
2960 | 2144 case QUOTE: |
3525 | 2145 t = octave_value::op_hermitian; |
2960 | 2146 break; |
2147 | |
2148 case TRANSPOSE: | |
3525 | 2149 t = octave_value::op_transpose; |
2960 | 2150 break; |
2151 | |
2375 | 2152 case PLUS_PLUS: |
3525 | 2153 t = octave_value::op_incr; |
578 | 2154 break; |
777 | 2155 |
2375 | 2156 case MINUS_MINUS: |
3525 | 2157 t = octave_value::op_decr; |
578 | 2158 break; |
777 | 2159 |
578 | 2160 default: |
2161 panic_impossible (); | |
2162 break; | |
2163 } | |
2164 | |
2165 int l = tok_val->line (); | |
2166 int c = tok_val->column (); | |
2167 | |
3292 | 2168 tree_postfix_expression *e |
2169 = new tree_postfix_expression (op1, l, c, t); | |
2170 | |
2171 return fold (e); | |
1623 | 2172 } |
2173 | |
2174 // Build an unwind-protect command. | |
2175 | |
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2176 tree_command * |
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2177 octave_parser::make_unwind_command (token *unwind_tok, |
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2178 tree_statement_list *body, |
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2179 tree_statement_list *cleanup_stmts, |
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2180 token *end_tok, |
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2181 octave_comment_list *lc, |
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2182 octave_comment_list *mc) |
1623 | 2183 { |
2184 tree_command *retval = 0; | |
2185 | |
2857 | 2186 if (end_token_ok (end_tok, token::unwind_protect_end)) |
1623 | 2187 { |
3665 | 2188 octave_comment_list *tc = octave_comment_buffer::get_comment (); |
2189 | |
1623 | 2190 int l = unwind_tok->line (); |
2191 int c = unwind_tok->column (); | |
2192 | |
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2193 retval = new tree_unwind_protect_command (body, cleanup_stmts, |
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2194 lc, mc, tc, l, c); |
1623 | 2195 } |
2196 | |
2197 return retval; | |
2198 } | |
2199 | |
2200 // Build a try-catch command. | |
2201 | |
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2202 tree_command * |
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2203 octave_parser::make_try_command (token *try_tok, tree_statement_list *body, |
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2204 tree_statement_list *cleanup_stmts, |
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2205 token *end_tok, |
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2206 octave_comment_list *lc, |
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2207 octave_comment_list *mc) |
1623 | 2208 { |
2209 tree_command *retval = 0; | |
2210 | |
2857 | 2211 if (end_token_ok (end_tok, token::try_catch_end)) |
1623 | 2212 { |
3665 | 2213 octave_comment_list *tc = octave_comment_buffer::get_comment (); |
2214 | |
1623 | 2215 int l = try_tok->line (); |
2216 int c = try_tok->column (); | |
2217 | |
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2218 retval = new tree_try_catch_command (body, cleanup_stmts, |
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2219 lc, mc, tc, l, c); |
1623 | 2220 } |
2221 | |
2222 return retval; | |
2223 } | |
2224 | |
2225 // Build a while command. | |
2226 | |
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2227 tree_command * |
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2228 octave_parser::make_while_command (token *while_tok, tree_expression *expr, |
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2229 tree_statement_list *body, token *end_tok, |
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2230 octave_comment_list *lc) |
1623 | 2231 { |
2232 tree_command *retval = 0; | |
2233 | |
2234 maybe_warn_assign_as_truth_value (expr); | |
2235 | |
2857 | 2236 if (end_token_ok (end_tok, token::while_end)) |
1623 | 2237 { |
3665 | 2238 octave_comment_list *tc = octave_comment_buffer::get_comment (); |
2239 | |
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|
2240 curr_lexer->looping--; |
1623 | 2241 |
2242 int l = while_tok->line (); | |
2243 int c = while_tok->column (); | |
2244 | |
3665 | 2245 retval = new tree_while_command (expr, body, lc, tc, l, c); |
1623 | 2246 } |
2247 | |
2248 return retval; | |
2249 } | |
2250 | |
3484 | 2251 // Build a do-until command. |
2252 | |
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2253 tree_command * |
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2254 octave_parser::make_do_until_command (token *until_tok, |
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2255 tree_statement_list *body, |
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2256 tree_expression *expr, |
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|
2257 octave_comment_list *lc) |
3484 | 2258 { |
2259 tree_command *retval = 0; | |
2260 | |
2261 maybe_warn_assign_as_truth_value (expr); | |
2262 | |
3665 | 2263 octave_comment_list *tc = octave_comment_buffer::get_comment (); |
2264 | |
16110
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2265 curr_lexer->looping--; |
3484 | 2266 |
8658
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2267 int l = until_tok->line (); |
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2268 int c = until_tok->column (); |
3484 | 2269 |
3665 | 2270 retval = new tree_do_until_command (expr, body, lc, tc, l, c); |
3484 | 2271 |
2272 return retval; | |
2273 } | |
2274 | |
1623 | 2275 // Build a for command. |
2276 | |
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2277 tree_command * |
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2278 octave_parser::make_for_command (int tok_id, token *for_tok, |
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2279 tree_argument_list *lhs, |
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2280 tree_expression *expr, |
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2281 tree_expression *maxproc, |
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2282 tree_statement_list *body, token *end_tok, |
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2283 octave_comment_list *lc) |
1623 | 2284 { |
2285 tree_command *retval = 0; | |
2286 | |
13245
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2287 bool parfor = tok_id == PARFOR; |
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2288 |
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|
2289 if (end_token_ok (end_tok, parfor ? token::parfor_end : token::for_end)) |
1623 | 2290 { |
3665 | 2291 octave_comment_list *tc = octave_comment_buffer::get_comment (); |
2292 | |
16110
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|
2293 curr_lexer->looping--; |
1623 | 2294 |
2295 int l = for_tok->line (); | |
2296 int c = for_tok->column (); | |
2297 | |
2970 | 2298 if (lhs->length () == 1) |
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2299 { |
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2300 tree_expression *tmp = lhs->remove_front (); |
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2301 |
13245
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2302 retval = new tree_simple_for_command (parfor, tmp, expr, maxproc, |
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2303 body, lc, tc, l, c); |
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2304 |
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2305 delete lhs; |
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2306 } |
2970 | 2307 else |
13245
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|
2308 { |
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|
2309 if (parfor) |
16142
26d65d677557
rename yyerror to bison_error and make it a member of octave_parser class
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|
2310 bison_error ("invalid syntax for parfor statement"); |
13245
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|
2311 else |
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|
2312 retval = new tree_complex_for_command (lhs, expr, body, |
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|
2313 lc, tc, l, c); |
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|
2314 } |
1623 | 2315 } |
2316 | |
2317 return retval; | |
2318 } | |
2319 | |
4207 | 2320 // Build a break command. |
2321 | |
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|
2322 tree_command * |
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|
2323 octave_parser::make_break_command (token *break_tok) |
1623 | 2324 { |
4207 | 2325 tree_command *retval = 0; |
1623 | 2326 |
2620 | 2327 int l = break_tok->line (); |
2328 int c = break_tok->column (); | |
2329 | |
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|
2330 retval = new tree_break_command (l, c); |
1623 | 2331 |
2332 return retval; | |
2333 } | |
2334 | |
4207 | 2335 // Build a continue command. |
2336 | |
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|
2337 tree_command * |
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|
2338 octave_parser::make_continue_command (token *continue_tok) |
1623 | 2339 { |
4207 | 2340 tree_command *retval = 0; |
1623 | 2341 |
2620 | 2342 int l = continue_tok->line (); |
2343 int c = continue_tok->column (); | |
2344 | |
10188
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improve implementation of break, continue, and return commands
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|
2345 retval = new tree_continue_command (l, c); |
1623 | 2346 |
2347 return retval; | |
2348 } | |
2349 | |
4207 | 2350 // Build a return command. |
2351 | |
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|
2352 tree_command * |
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|
2353 octave_parser::make_return_command (token *return_tok) |
1623 | 2354 { |
4207 | 2355 tree_command *retval = 0; |
1623 | 2356 |
2620 | 2357 int l = return_tok->line (); |
2358 int c = return_tok->column (); | |
2359 | |
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improve implementation of break, continue, and return commands
John W. Eaton <jwe@octave.org>
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|
2360 retval = new tree_return_command (l, c); |
1623 | 2361 |
2362 return retval; | |
2363 } | |
2364 | |
2365 // Start an if command. | |
2366 | |
16134
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|
2367 tree_if_command_list * |
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|
2368 octave_parser::start_if_command (tree_expression *expr, |
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changeset
|
2369 tree_statement_list *list) |
1623 | 2370 { |
2371 maybe_warn_assign_as_truth_value (expr); | |
2372 | |
2373 tree_if_clause *t = new tree_if_clause (expr, list); | |
2374 | |
2375 return new tree_if_command_list (t); | |
2376 } | |
2377 | |
2378 // Finish an if command. | |
2379 | |
16134
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|
2380 tree_if_command * |
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|
2381 octave_parser::finish_if_command (token *if_tok, tree_if_command_list *list, |
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|
2382 token *end_tok, octave_comment_list *lc) |
1623 | 2383 { |
2384 tree_if_command *retval = 0; | |
2385 | |
2857 | 2386 if (end_token_ok (end_tok, token::if_end)) |
1623 | 2387 { |
3665 | 2388 octave_comment_list *tc = octave_comment_buffer::get_comment (); |
2389 | |
1623 | 2390 int l = if_tok->line (); |
2391 int c = if_tok->column (); | |
2392 | |
8842
be7b30a24938
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|
2393 if (list && ! list->empty ()) |
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|
2394 { |
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|
2395 tree_if_clause *elt = list->front (); |
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2396 |
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|
2397 if (elt) |
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|
2398 { |
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|
2399 elt->line (l); |
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|
2400 elt->column (c); |
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|
2401 } |
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|
2402 } |
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|
2403 |
3665 | 2404 retval = new tree_if_command (list, lc, tc, l, c); |
1623 | 2405 } |
2406 | |
2407 return retval; | |
2408 } | |
2409 | |
2410 // Build an elseif clause. | |
2411 | |
16134
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|
2412 tree_if_clause * |
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|
2413 octave_parser::make_elseif_clause (token *elseif_tok, tree_expression *expr, |
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|
2414 tree_statement_list *list, |
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|
2415 octave_comment_list *lc) |
1623 | 2416 { |
2417 maybe_warn_assign_as_truth_value (expr); | |
2418 | |
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New evaluator and debugger derived from tree-walker class
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|
2419 int l = elseif_tok->line (); |
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|
2420 int c = elseif_tok->column (); |
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2421 |
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|
2422 return new tree_if_clause (expr, list, lc, l, c); |
1623 | 2423 } |
2424 | |
2764 | 2425 // Finish a switch command. |
2426 | |
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|
2427 tree_switch_command * |
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|
2428 octave_parser::finish_switch_command (token *switch_tok, tree_expression *expr, |
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|
2429 tree_switch_case_list *list, |
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|
2430 token *end_tok, octave_comment_list *lc) |
2764 | 2431 { |
2432 tree_switch_command *retval = 0; | |
2433 | |
2857 | 2434 if (end_token_ok (end_tok, token::switch_end)) |
2764 | 2435 { |
3665 | 2436 octave_comment_list *tc = octave_comment_buffer::get_comment (); |
2437 | |
2764 | 2438 int l = switch_tok->line (); |
2439 int c = switch_tok->column (); | |
2440 | |
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|
2441 if (list && ! list->empty ()) |
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|
2442 { |
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2443 tree_switch_case *elt = list->front (); |
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2444 |
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2445 if (elt) |
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|
2446 { |
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|
2447 elt->line (l); |
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|
2448 elt->column (c); |
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|
2449 } |
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2450 } |
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2451 |
3665 | 2452 retval = new tree_switch_command (expr, list, lc, tc, l, c); |
2764 | 2453 } |
2454 | |
2455 return retval; | |
2456 } | |
2457 | |
2458 // Build a switch case. | |
2459 | |
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|
2460 tree_switch_case * |
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|
2461 octave_parser::make_switch_case (token *case_tok, tree_expression *expr, |
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|
2462 tree_statement_list *list, |
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|
2463 octave_comment_list *lc) |
2764 | 2464 { |
2465 maybe_warn_variable_switch_label (expr); | |
2466 | |
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2467 int l = case_tok->line (); |
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2468 int c = case_tok->column (); |
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2469 |
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diff
changeset
|
2470 return new tree_switch_case (expr, list, lc, l, c); |
2764 | 2471 } |
2472 | |
1623 | 2473 // Build an assignment to a variable. |
2474 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2475 tree_expression * |
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2476 octave_parser::make_assign_op (int op, tree_argument_list *lhs, token *eq_tok, |
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2477 tree_expression *rhs) |
1623 | 2478 { |
2970 | 2479 tree_expression *retval = 0; |
2480 | |
2883 | 2481 octave_value::assign_op t = octave_value::unknown_assign_op; |
2482 | |
2483 switch (op) | |
2484 { | |
2485 case '=': | |
3525 | 2486 t = octave_value::op_asn_eq; |
2883 | 2487 break; |
2488 | |
2489 case ADD_EQ: | |
3525 | 2490 t = octave_value::op_add_eq; |
2883 | 2491 break; |
2492 | |
2493 case SUB_EQ: | |
3525 | 2494 t = octave_value::op_sub_eq; |
2883 | 2495 break; |
2496 | |
2497 case MUL_EQ: | |
3525 | 2498 t = octave_value::op_mul_eq; |
2883 | 2499 break; |
2500 | |
2501 case DIV_EQ: | |
3525 | 2502 t = octave_value::op_div_eq; |
2883 | 2503 break; |
2504 | |
3204 | 2505 case LEFTDIV_EQ: |
3525 | 2506 t = octave_value::op_ldiv_eq; |
3204 | 2507 break; |
2508 | |
4018 | 2509 case POW_EQ: |
2510 t = octave_value::op_pow_eq; | |
2511 break; | |
2512 | |
2899 | 2513 case LSHIFT_EQ: |
3525 | 2514 t = octave_value::op_lshift_eq; |
2899 | 2515 break; |
2516 | |
2517 case RSHIFT_EQ: | |
3525 | 2518 t = octave_value::op_rshift_eq; |
2899 | 2519 break; |
2520 | |
2883 | 2521 case EMUL_EQ: |
3525 | 2522 t = octave_value::op_el_mul_eq; |
2883 | 2523 break; |
2524 | |
2525 case EDIV_EQ: | |
3525 | 2526 t = octave_value::op_el_div_eq; |
2883 | 2527 break; |
2528 | |
3204 | 2529 case ELEFTDIV_EQ: |
3525 | 2530 t = octave_value::op_el_ldiv_eq; |
3204 | 2531 break; |
2532 | |
4018 | 2533 case EPOW_EQ: |
2534 t = octave_value::op_el_pow_eq; | |
2535 break; | |
2536 | |
2883 | 2537 case AND_EQ: |
3525 | 2538 t = octave_value::op_el_and_eq; |
2883 | 2539 break; |
2540 | |
2541 case OR_EQ: | |
3525 | 2542 t = octave_value::op_el_or_eq; |
2883 | 2543 break; |
2544 | |
2545 default: | |
2546 panic_impossible (); | |
2547 break; | |
2548 } | |
2549 | |
1623 | 2550 int l = eq_tok->line (); |
2551 int c = eq_tok->column (); | |
2552 | |
5841 | 2553 if (lhs->is_simple_assign_lhs ()) |
666 | 2554 { |
2970 | 2555 tree_expression *tmp = lhs->remove_front (); |
2556 | |
2557 retval = new tree_simple_assignment (tmp, rhs, false, l, c, t); | |
2558 | |
2559 delete lhs; | |
666 | 2560 } |
10230
0a5a769b8fc0
disallow computed multiple assignment
Jaroslav Hajek <highegg@gmail.com>
parents:
10207
diff
changeset
|
2561 else if (t == octave_value::op_asn_eq) |
0a5a769b8fc0
disallow computed multiple assignment
Jaroslav Hajek <highegg@gmail.com>
parents:
10207
diff
changeset
|
2562 return new tree_multi_assignment (lhs, rhs, false, l, c); |
666 | 2563 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
|
2564 bison_error ("computed multiple assignment not allowed"); |
666 | 2565 |
2566 return retval; | |
2567 } | |
751 | 2568 |
9474
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2569 // Define a script. |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2570 |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2571 void |
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2572 octave_parser::make_script (tree_statement_list *cmds, |
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2573 tree_statement *end_script) |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2574 { |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2575 std::string doc_string; |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2576 |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2577 if (! help_buf.empty ()) |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2578 { |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2579 doc_string = help_buf.top (); |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2580 help_buf.pop (); |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2581 } |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2582 |
8658
73c4516fae10
New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
8471
diff
changeset
|
2583 if (! cmds) |
73c4516fae10
New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
8471
diff
changeset
|
2584 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
|
2585 |
73c4516fae10
New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
8471
diff
changeset
|
2586 cmds->append (end_script); |
73c4516fae10
New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
8471
diff
changeset
|
2587 |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2588 octave_user_script *script |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2589 = new octave_user_script (curr_fcn_file_full_name, curr_fcn_file_name, |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2590 cmds, doc_string); |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2591 |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2592 octave_time now; |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2593 |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2594 script->stash_fcn_file_time (now); |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2595 |
9474
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2596 primary_fcn_ptr = script; |
8881
8ed42c679af5
after defining a script or function, clear local variables created for parsing
John W. Eaton <jwe@octave.org>
parents:
8842
diff
changeset
|
2597 |
9009
da58ec8f62e8
tag bug don't define forced variables
John W. Eaton <jwe@octave.org>
parents:
8974
diff
changeset
|
2598 // Unmark any symbols that may have been tagged as local variables |
da58ec8f62e8
tag bug don't define forced variables
John W. Eaton <jwe@octave.org>
parents:
8974
diff
changeset
|
2599 // while parsing (for example, by force_local_variable in lex.l). |
da58ec8f62e8
tag bug don't define forced variables
John W. Eaton <jwe@octave.org>
parents:
8974
diff
changeset
|
2600 |
da58ec8f62e8
tag bug don't define forced variables
John W. Eaton <jwe@octave.org>
parents:
8974
diff
changeset
|
2601 symbol_table::unmark_forced_variables (); |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2602 } |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2603 |
1623 | 2604 // Begin defining a function. |
2605 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2606 octave_user_function * |
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2607 octave_parser::start_function (tree_parameter_list *param_list, |
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2608 tree_statement_list *body, |
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2609 tree_statement *end_fcn_stmt) |
1623 | 2610 { |
2891 | 2611 // We'll fill in the return list later. |
2612 | |
8658
73c4516fae10
New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
8471
diff
changeset
|
2613 if (! body) |
73c4516fae10
New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
8471
diff
changeset
|
2614 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
|
2615 |
73c4516fae10
New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
8471
diff
changeset
|
2616 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
|
2617 |
2891 | 2618 octave_user_function *fcn |
7336 | 2619 = 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
|
2620 param_list, 0, body); |
1623 | 2621 |
3665 | 2622 if (fcn) |
2623 { | |
2624 octave_comment_list *tc = octave_comment_buffer::get_comment (); | |
2625 | |
2626 fcn->stash_trailing_comment (tc); | |
2627 } | |
2628 | |
1623 | 2629 return fcn; |
2630 } | |
2631 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2632 tree_statement * |
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2633 octave_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
|
2634 { |
73c4516fae10
New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
8471
diff
changeset
|
2635 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
|
2636 } |
73c4516fae10
New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
8471
diff
changeset
|
2637 |
1623 | 2638 // Do most of the work for defining a function. |
2639 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2640 octave_user_function * |
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2641 octave_parser::frob_function (const std::string& fname, |
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2642 octave_user_function *fcn) |
1623 | 2643 { |
4872 | 2644 std::string id_name = fname; |
1623 | 2645 |
2646 // If input is coming from a file, issue a warning if the name of | |
2647 // the file does not match the name of the function stated in the | |
2648 // file. Matlab doesn't provide a diagnostic (it ignores the stated | |
2649 // name). | |
9474
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2650 if (! autoloading && reading_fcn_file |
14507
3f21c0c34b8f
check for function/file name mismatch when parsing class methods
John W. Eaton <jwe@octave.org>
parents:
14360
diff
changeset
|
2651 && current_function_depth == 1 && ! parsing_subfunctions) |
9474
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2652 { |
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2653 // FIXME -- should curr_fcn_file_name already be |
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2654 // 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
|
2655 // problem with relative file names. |
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2656 |
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2657 std::string nm = curr_fcn_file_name; |
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2658 |
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2659 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
|
2660 |
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2661 if (pos != std::string::npos) |
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2662 nm = curr_fcn_file_name.substr (pos+1); |
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2663 |
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2664 if (nm != id_name) |
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2665 { |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2666 warning_with_id |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2667 ("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
|
2668 "function name '%s' does not agree with function file name '%s'", |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2669 id_name.c_str (), curr_fcn_file_full_name.c_str ()); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2670 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2671 id_name = nm; |
9474
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2672 } |
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2673 } |
1623 | 2674 |
9476 | 2675 if (reading_fcn_file || reading_classdef_file || autoloading) |
1623 | 2676 { |
3712 | 2677 octave_time now; |
3162 | 2678 |
4343 | 2679 fcn->stash_fcn_file_name (curr_fcn_file_full_name); |
3162 | 2680 fcn->stash_fcn_file_time (now); |
1623 | 2681 fcn->mark_as_system_fcn_file (); |
3162 | 2682 |
6323 | 2683 if (fcn_file_from_relative_lookup) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2684 fcn->mark_relative (); |
6323 | 2685 |
9474
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2686 if (current_function_depth > 1 || parsing_subfunctions) |
7968
0d607e8dbbfa
eliminate curr_parent_function; fix subfunction lookup
John W. Eaton <jwe@octave.org>
parents:
7903
diff
changeset
|
2687 { |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2688 fcn->stash_parent_fcn_name (curr_fcn_file_name); |
14544
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
2689 |
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
2690 if (current_function_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
|
2691 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
|
2692 else |
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
2693 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
|
2694 } |
6323 | 2695 |
16110
7302f8a4df83
use pointer for global lexical_feedback structure
John W. Eaton <jwe@octave.org>
parents:
16109
diff
changeset
|
2696 if (curr_lexer->parsing_class_method) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2697 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2698 if (current_class_name == id_name) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2699 fcn->mark_as_class_constructor (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2700 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2701 fcn->mark_as_class_method (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2702 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2703 fcn->stash_dispatch_class (current_class_name); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2704 } |
7336 | 2705 |
5781 | 2706 std::string nm = fcn->fcn_file_name (); |
2707 | |
2708 file_stat fs (nm); | |
2709 | |
2710 if (fs && fs.is_newer (now)) | |
2711 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
|
2712 "time stamp for '%s' is in the future", nm.c_str ()); |
1623 | 2713 } |
2714 else if (! (input_from_tmp_history_file || input_from_startup_file) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2715 && reading_script_file |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2716 && curr_fcn_file_name == id_name) |
1623 | 2717 { |
15466
d174210ce1ec
use ' instead of ` in error messages, warnings and most comments
John W. Eaton <jwe@octave.org>
parents:
14189
diff
changeset
|
2718 warning ("function '%s' defined within script file '%s'", |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2719 id_name.c_str (), curr_fcn_file_full_name.c_str ()); |
1623 | 2720 } |
2721 | |
4872 | 2722 fcn->stash_function_name (id_name); |
16110
7302f8a4df83
use pointer for global lexical_feedback structure
John W. Eaton <jwe@octave.org>
parents:
16109
diff
changeset
|
2723 fcn->stash_fcn_location (curr_lexer->input_line_number, |
7302f8a4df83
use pointer for global lexical_feedback structure
John W. Eaton <jwe@octave.org>
parents:
16109
diff
changeset
|
2724 curr_lexer->current_input_column); |
4872 | 2725 |
9474
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2726 if (! help_buf.empty () && current_function_depth == 1 |
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2727 && ! parsing_subfunctions) |
7336 | 2728 { |
2729 fcn->document (help_buf.top ()); | |
2730 | |
2731 help_buf.pop (); | |
2732 } | |
2733 | |
9474
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2734 if (reading_fcn_file && current_function_depth == 1 |
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2735 && ! parsing_subfunctions) |
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2736 primary_fcn_ptr = fcn; |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
2737 |
1623 | 2738 return fcn; |
2739 } | |
2740 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2741 tree_function_def * |
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2742 octave_parser::finish_function (tree_parameter_list *ret_list, |
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2743 octave_user_function *fcn, |
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2744 octave_comment_list *lc) |
1623 | 2745 { |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2746 tree_function_def *retval = 0; |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2747 |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2748 if (ret_list) |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2749 ret_list->mark_as_formal_parameters (); |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2750 |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2751 if (fcn) |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2752 { |
7761
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7755
diff
changeset
|
2753 std::string nm = fcn->name (); |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7755
diff
changeset
|
2754 std::string file = fcn->fcn_file_name (); |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7755
diff
changeset
|
2755 |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7755
diff
changeset
|
2756 std::string tmp = nm; |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7755
diff
changeset
|
2757 if (! file.empty ()) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2758 tmp += ": " + file; |
7761
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7755
diff
changeset
|
2759 |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7755
diff
changeset
|
2760 symbol_table::cache_name (fcn->scope (), tmp); |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7755
diff
changeset
|
2761 |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2762 if (lc) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2763 fcn->stash_leading_comment (lc); |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2764 |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2765 fcn->define_ret_list (ret_list); |
7755
ea9cb4d68dbf
avoid installing subfunctions twice
John W. Eaton <jwe@octave.org>
parents:
7750
diff
changeset
|
2766 |
9474
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2767 if (current_function_depth > 1 || parsing_subfunctions) |
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2768 { |
11461
2b8531a6a3c9
Change mentions of "nested function" to the less misleading "subfunction"
David Grundberg <individ@acc.umu.se>
parents:
11388
diff
changeset
|
2769 fcn->mark_as_subfunction (); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2770 |
14544
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
2771 if (endfunction_found && function_scopes.size () > 1) |
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
2772 { |
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
2773 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
|
2774 = function_scopes[function_scopes.size ()-2]; |
14544
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
2775 |
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
2776 symbol_table::install_nestfunction (nm, octave_value (fcn), |
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
2777 pscope); |
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
2778 } |
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
2779 else |
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
2780 symbol_table::install_subfunction (nm, octave_value (fcn), |
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
2781 primary_fcn_scope); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2782 } |
9474
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2783 |
14544
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
2784 if (current_function_depth == 1 && fcn) |
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
2785 symbol_table::update_nest (fcn->scope ()); |
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
2786 |
14512
e0d66b8b0c63
Avoid double delete for nested functions in commandline
Max Brister <max@2bass.com>
parents:
14507
diff
changeset
|
2787 if (! reading_fcn_file && current_function_depth == 1) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2788 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2789 // 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
|
2790 // 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
|
2791 // 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
|
2792 // 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
|
2793 // 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
|
2794 // 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
|
2795 // 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
|
2796 // parse_fcn_file, and |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2797 // 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
|
2798 |
5f8971be8e12
parse.y (finish_function): retrun function object unless parsing function file
John W. Eaton <jwe@octave.org>
parents:
9506
diff
changeset
|
2799 retval = new tree_function_def (fcn); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2800 } |
8282
47a3d2f829e4
clear local symbol table after parsing function
John W. Eaton <jwe@octave.org>
parents:
8150
diff
changeset
|
2801 |
9009
da58ec8f62e8
tag bug don't define forced variables
John W. Eaton <jwe@octave.org>
parents:
8974
diff
changeset
|
2802 // Unmark any symbols that may have been tagged as local |
da58ec8f62e8
tag bug don't define forced variables
John W. Eaton <jwe@octave.org>
parents:
8974
diff
changeset
|
2803 // variables while parsing (for example, by force_local_variable |
da58ec8f62e8
tag bug don't define forced variables
John W. Eaton <jwe@octave.org>
parents:
8974
diff
changeset
|
2804 // in lex.l). |
da58ec8f62e8
tag bug don't define forced variables
John W. Eaton <jwe@octave.org>
parents:
8974
diff
changeset
|
2805 |
da58ec8f62e8
tag bug don't define forced variables
John W. Eaton <jwe@octave.org>
parents:
8974
diff
changeset
|
2806 symbol_table::unmark_forced_variables (fcn->scope ()); |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2807 } |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2808 |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2809 return retval; |
1623 | 2810 } |
2811 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2812 void |
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2813 octave_parser::recover_from_parsing_function (void) |
2883 | 2814 { |
14329
8d1ae996c122
also save and restore symbol table context in parser (bug #35448)
John W. Eaton <jwe@octave.org>
parents:
14294
diff
changeset
|
2815 if (parser_symtab_context.empty ()) |
3903 | 2816 panic_impossible (); |
2817 | |
14329
8d1ae996c122
also save and restore symbol table context in parser (bug #35448)
John W. Eaton <jwe@octave.org>
parents:
14294
diff
changeset
|
2818 parser_symtab_context.pop (); |
2883 | 2819 |
9474
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2820 if (reading_fcn_file && current_function_depth == 1 |
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2821 && ! parsing_subfunctions) |
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2822 parsing_subfunctions = true; |
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2823 |
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2824 current_function_depth--; |
14544
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
2825 function_scopes.pop_back (); |
9474
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2826 |
16110
7302f8a4df83
use pointer for global lexical_feedback structure
John W. Eaton <jwe@octave.org>
parents:
16109
diff
changeset
|
2827 curr_lexer->defining_func--; |
7302f8a4df83
use pointer for global lexical_feedback structure
John W. Eaton <jwe@octave.org>
parents:
16109
diff
changeset
|
2828 curr_lexer->parsed_function_name.pop (); |
7302f8a4df83
use pointer for global lexical_feedback structure
John W. Eaton <jwe@octave.org>
parents:
16109
diff
changeset
|
2829 curr_lexer->looking_at_return_list = false; |
7302f8a4df83
use pointer for global lexical_feedback structure
John W. Eaton <jwe@octave.org>
parents:
16109
diff
changeset
|
2830 curr_lexer->looking_at_parameter_list = false; |
2883 | 2831 } |
2832 | |
2846 | 2833 // Make an index expression. |
2834 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2835 tree_index_expression * |
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2836 octave_parser::make_index_expression (tree_expression *expr, |
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2837 tree_argument_list *args, char type) |
751 | 2838 { |
2839 tree_index_expression *retval = 0; | |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
2840 |
10206
37a08e0ce2dc
support Matlab-style empty output/input arguments
Jaroslav Hajek <highegg@gmail.com>
parents:
10188
diff
changeset
|
2841 if (args && args->has_magic_tilde ()) |
37a08e0ce2dc
support Matlab-style empty output/input arguments
Jaroslav Hajek <highegg@gmail.com>
parents:
10188
diff
changeset
|
2842 { |
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
|
2843 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
|
2844 return retval; |
37a08e0ce2dc
support Matlab-style empty output/input arguments
Jaroslav Hajek <highegg@gmail.com>
parents:
10188
diff
changeset
|
2845 } |
751 | 2846 |
2970 | 2847 int l = expr->line (); |
2848 int c = expr->column (); | |
2849 | |
2850 expr->mark_postfix_indexed (); | |
2851 | |
3933 | 2852 if (expr->is_index_expression ()) |
2853 { | |
2854 tree_index_expression *tmp = static_cast<tree_index_expression *> (expr); | |
2855 | |
2856 tmp->append (args, type); | |
2857 | |
2858 retval = tmp; | |
2859 } | |
2860 else | |
2861 retval = new tree_index_expression (expr, args, l, c, type); | |
2970 | 2862 |
2863 return retval; | |
2864 } | |
2865 | |
2866 // Make an indirect reference expression. | |
2867 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2868 tree_index_expression * |
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2869 octave_parser::make_indirect_ref (tree_expression *expr, |
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2870 const std::string& elt) |
2970 | 2871 { |
3930 | 2872 tree_index_expression *retval = 0; |
2970 | 2873 |
2874 int l = expr->line (); | |
2875 int c = expr->column (); | |
2876 | |
3933 | 2877 if (expr->is_index_expression ()) |
2878 { | |
2879 tree_index_expression *tmp = static_cast<tree_index_expression *> (expr); | |
2880 | |
2881 tmp->append (elt); | |
2882 | |
2883 retval = tmp; | |
2884 } | |
2885 else | |
2886 retval = new tree_index_expression (expr, elt, l, c); | |
2970 | 2887 |
16110
7302f8a4df83
use pointer for global lexical_feedback structure
John W. Eaton <jwe@octave.org>
parents:
16109
diff
changeset
|
2888 curr_lexer->looking_at_indirect_ref = false; |
751 | 2889 |
2890 return retval; | |
2891 } | |
1511 | 2892 |
4131 | 2893 // Make an indirect reference expression with dynamic field name. |
2894 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2895 tree_index_expression * |
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2896 octave_parser::make_indirect_ref (tree_expression *expr, tree_expression *elt) |
4131 | 2897 { |
2898 tree_index_expression *retval = 0; | |
2899 | |
2900 int l = expr->line (); | |
2901 int c = expr->column (); | |
2902 | |
2903 if (expr->is_index_expression ()) | |
2904 { | |
2905 tree_index_expression *tmp = static_cast<tree_index_expression *> (expr); | |
2906 | |
2907 tmp->append (elt); | |
2908 | |
2909 retval = tmp; | |
2910 } | |
2911 else | |
2912 retval = new tree_index_expression (expr, elt, l, c); | |
2913 | |
16110
7302f8a4df83
use pointer for global lexical_feedback structure
John W. Eaton <jwe@octave.org>
parents:
16109
diff
changeset
|
2914 curr_lexer->looking_at_indirect_ref = false; |
4131 | 2915 |
2916 return retval; | |
2917 } | |
2918 | |
2846 | 2919 // Make a declaration command. |
2920 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2921 tree_decl_command * |
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2922 octave_parser::make_decl_command (int tok, token *tok_val, |
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2923 tree_decl_init_list *lst) |
2846 | 2924 { |
2925 tree_decl_command *retval = 0; | |
2926 | |
2927 int l = tok_val->line (); | |
2928 int c = tok_val->column (); | |
2929 | |
2930 switch (tok) | |
2931 { | |
2932 case GLOBAL: | |
2933 retval = new tree_global_command (lst, l, c); | |
2934 break; | |
2935 | |
14294
9e3983c8963c
deprecate the static keyword
John W. Eaton <jwe@octave.org>
parents:
14293
diff
changeset
|
2936 case PERSISTENT: |
9474
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2937 if (current_function_depth > 0) |
14294
9e3983c8963c
deprecate the static keyword
John W. Eaton <jwe@octave.org>
parents:
14293
diff
changeset
|
2938 retval = new tree_persistent_command (lst, l, c); |
2846 | 2939 else |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2940 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2941 if (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
|
2942 warning ("ignoring persistent declaration near line %d of file '%s'", |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2943 l, curr_fcn_file_full_name.c_str ()); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2944 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2945 warning ("ignoring persistent declaration near line %d", l); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2946 } |
2846 | 2947 break; |
2948 | |
2949 default: | |
2950 panic_impossible (); | |
2951 break; | |
2952 } | |
2953 | |
2954 return retval; | |
2955 } | |
2956 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2957 tree_argument_list * |
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2958 octave_parser::validate_matrix_row (tree_argument_list *row) |
10207
76a880a588ce
error when using ~ in matrix expression
Jaroslav Hajek <highegg@gmail.com>
parents:
10206
diff
changeset
|
2959 { |
76a880a588ce
error when using ~ in matrix expression
Jaroslav Hajek <highegg@gmail.com>
parents:
10206
diff
changeset
|
2960 if (row && row->has_magic_tilde ()) |
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
|
2961 bison_error ("invalid use of tilde (~) in matrix expression"); |
10207
76a880a588ce
error when using ~ in matrix expression
Jaroslav Hajek <highegg@gmail.com>
parents:
10206
diff
changeset
|
2962 return row; |
76a880a588ce
error when using ~ in matrix expression
Jaroslav Hajek <highegg@gmail.com>
parents:
10206
diff
changeset
|
2963 } |
76a880a588ce
error when using ~ in matrix expression
Jaroslav Hajek <highegg@gmail.com>
parents:
10206
diff
changeset
|
2964 |
1623 | 2965 // Finish building a matrix list. |
2966 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2967 tree_expression * |
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2968 octave_parser::finish_matrix (tree_matrix *m) |
1623 | 2969 { |
3110 | 2970 tree_expression *retval = m; |
2971 | |
10067
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
2972 unwind_protect frame; |
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
2973 |
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
2974 frame.protect_var (error_state); |
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
2975 frame.protect_var (warning_state); |
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
2976 |
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
2977 frame.protect_var (discard_error_messages); |
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
2978 frame.protect_var (discard_warning_messages); |
4452 | 2979 |
3815 | 2980 discard_error_messages = true; |
4452 | 2981 discard_warning_messages = true; |
1623 | 2982 |
2533 | 2983 if (m->all_elements_are_constant ()) |
1829 | 2984 { |
8658
73c4516fae10
New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
8471
diff
changeset
|
2985 octave_value tmp = m->rvalue1 (); |
1623 | 2986 |
3489 | 2987 if (! (error_state || warning_state)) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2988 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2989 tree_constant *tc_retval |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2990 = new tree_constant (tmp, m->line (), m->column ()); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2991 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2992 std::ostringstream buf; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2993 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2994 tree_print_code tpc (buf); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2995 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2996 m->accept (tpc); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2997 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2998 tc_retval->stash_original_text (buf.str ()); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2999 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3000 delete m; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3001 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3002 retval = tc_retval; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3003 } |
1623 | 3004 } |
3110 | 3005 |
1623 | 3006 return retval; |
3007 } | |
3008 | |
3351 | 3009 // Finish building a cell list. |
3010 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
3011 tree_expression * |
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
3012 octave_parser::finish_cell (tree_cell *c) |
3351 | 3013 { |
5875 | 3014 return finish_matrix (c); |
3351 | 3015 } |
3016 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
3017 void |
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
3018 octave_parser::maybe_warn_missing_semi (tree_statement_list *t) |
1511 | 3019 { |
9474
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
3020 if (current_function_depth > 0) |
1511 | 3021 { |
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
|
3022 tree_statement *tmp = t->back (); |
1607 | 3023 |
1511 | 3024 if (tmp->is_expression ()) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3025 warning_with_id |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3026 ("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
|
3027 "missing semicolon near line %d, column %d in file '%s'", |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3028 tmp->line (), tmp->column (), curr_fcn_file_full_name.c_str ()); |
1511 | 3029 } |
3030 } | |
1994 | 3031 |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
3032 tree_statement_list * |
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
3033 octave_parser::set_stmt_print_flag (tree_statement_list *list, char sep, |
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
3034 bool warn_missing_semi) |
2525 | 3035 { |
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
|
3036 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
|
3037 |
2525 | 3038 switch (sep) |
3039 { | |
3040 case ';': | |
8658
73c4516fae10
New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
8471
diff
changeset
|
3041 tmp->set_print_flag (false); |
2525 | 3042 break; |
3043 | |
3044 case 0: | |
3045 case ',': | |
3046 case '\n': | |
8658
73c4516fae10
New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
8471
diff
changeset
|
3047 tmp->set_print_flag (true); |
2525 | 3048 if (warn_missing_semi) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3049 maybe_warn_missing_semi (list); |
2525 | 3050 break; |
3051 | |
3052 default: | |
3053 warning ("unrecognized separator type!"); | |
3054 break; | |
3055 } | |
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
|
3056 |
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
|
3057 // 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
|
3058 // 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
|
3059 |
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
|
3060 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
|
3061 { |
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 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
|
3063 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
|
3064 } |
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
|
3065 |
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
|
3066 return list; |
2525 | 3067 } |
3068 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
3069 tree_statement_list * |
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
3070 octave_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
|
3071 { |
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
|
3072 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
|
3073 } |
d6c0d5f208de
parse.y: avoid storing null statements in statement lists
John W. Eaton <jwe@octave.org>
parents:
8447
diff
changeset
|
3074 |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
3075 tree_statement_list * |
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
3076 octave_parser::append_statement_list (tree_statement_list *list, char sep, |
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
3077 tree_statement *stmt, |
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
3078 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
|
3079 { |
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
|
3080 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
|
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 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
|
3083 |
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 return list; |
8448
d6c0d5f208de
parse.y: avoid storing null statements in statement lists
John W. Eaton <jwe@octave.org>
parents:
8447
diff
changeset
|
3085 } |
d6c0d5f208de
parse.y: avoid storing null statements in statement lists
John W. Eaton <jwe@octave.org>
parents:
8447
diff
changeset
|
3086 |
16145
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3087 void |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3088 octave_parser::bison_error (const char *s) |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3089 { |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3090 int err_col = curr_lexer->current_input_column - 1; |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3091 |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3092 std::ostringstream output_buf; |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3093 |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3094 if (reading_fcn_file || reading_script_file || reading_classdef_file) |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3095 output_buf << "parse error near line " << curr_lexer->input_line_number |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3096 << " of file " << curr_fcn_file_full_name; |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3097 else |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3098 output_buf << "parse error:"; |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3099 |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3100 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
|
3101 output_buf << "\n\n " << s; |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3102 |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3103 output_buf << "\n\n"; |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3104 |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3105 if (! current_input_line.empty ()) |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3106 { |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3107 size_t len = current_input_line.length (); |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3108 |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3109 if (current_input_line[len-1] == '\n') |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3110 current_input_line.resize (len-1); |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3111 |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3112 // 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
|
3113 |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3114 output_buf << ">>> " << current_input_line << "\n"; |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3115 |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3116 if (err_col == 0) |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3117 err_col = len; |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3118 |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3119 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
|
3120 output_buf << " "; |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3121 |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3122 output_buf << "^"; |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3123 } |
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 output_buf << "\n"; |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3126 |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3127 std::string msg = output_buf.str (); |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3128 |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3129 parse_error ("%s", msg.c_str ()); |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3130 } |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3131 |
3021 | 3132 static void |
10067
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3133 safe_fclose (FILE *f) |
3021 | 3134 { |
5775 | 3135 // FIXME -- comments at the end of an input file are |
3765 | 3136 // discarded (otherwise, they would be appended to the next |
3137 // statement, possibly from the command line or another file, which | |
3138 // can be quite confusing). | |
3139 | |
5308 | 3140 octave_comment_list *tc = octave_comment_buffer::get_comment (); |
3141 | |
3142 delete tc; | |
3765 | 3143 |
3021 | 3144 if (f) |
3145 fclose (static_cast<FILE *> (f)); | |
3146 } | |
3147 | |
3148 static bool | |
5175 | 3149 looks_like_copyright (const std::string& s) |
3021 | 3150 { |
7720
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3151 bool retval = false; |
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3152 |
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3153 if (! s.empty ()) |
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3154 { |
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3155 size_t offset = s.find_first_not_of (" \t"); |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
3156 |
14180
4942b3011541
oct-parse.yy: also identify Author as start of license text
Carnë Draug <carandraug+dev@gmail.com>
parents:
14084
diff
changeset
|
3157 retval = (s.substr (offset, 9) == "Copyright" || s.substr (offset, 6) == "Author"); |
7720
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3158 } |
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3159 |
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3160 return retval; |
3021 | 3161 } |
3162 | |
4540 | 3163 static int |
3164 text_getc (FILE *f) | |
3165 { | |
12918
f3a8d1efe2c1
use gnulib:: qualifiers for more stdio functions
John W. Eaton <jwe@octave.org>
parents:
12719
diff
changeset
|
3166 int c = gnulib::getc (f); |
4540 | 3167 |
7728
13820b9f5fd9
more consistent handling of CR/CRLF/LF line endings in lexer and parser
John W. Eaton <jwe@octave.org>
parents:
7723
diff
changeset
|
3168 // Convert CRLF into just LF and single CR into LF. |
4540 | 3169 |
3170 if (c == '\r') | |
3171 { | |
12918
f3a8d1efe2c1
use gnulib:: qualifiers for more stdio functions
John W. Eaton <jwe@octave.org>
parents:
12719
diff
changeset
|
3172 c = gnulib::getc (f); |
4540 | 3173 |
8447
adab48231a03
make input_line_number work again
John W. Eaton <jwe@octave.org>
parents:
8311
diff
changeset
|
3174 if (c != '\n') |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3175 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3176 ungetc (c, f); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3177 c = '\n'; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3178 } |
4540 | 3179 } |
8447
adab48231a03
make input_line_number work again
John W. Eaton <jwe@octave.org>
parents:
8311
diff
changeset
|
3180 |
4540 | 3181 return c; |
3182 } | |
3183 | |
7720
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3184 class |
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3185 stdio_stream_reader : public stream_reader |
3021 | 3186 { |
7720
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3187 public: |
16147
ed8ce5da525f
don't access lexer values directly when grabbing help text from .m files.
John W. Eaton <jwe@octave.org>
parents:
16145
diff
changeset
|
3188 |
ed8ce5da525f
don't access lexer values directly when grabbing help text from .m files.
John W. Eaton <jwe@octave.org>
parents:
16145
diff
changeset
|
3189 stdio_stream_reader (FILE *f_arg, int& l, int& c) |
ed8ce5da525f
don't access lexer values directly when grabbing help text from .m files.
John W. Eaton <jwe@octave.org>
parents:
16145
diff
changeset
|
3190 : stream_reader (), f (f_arg), line_num (l), column_num (c) |
ed8ce5da525f
don't access lexer values directly when grabbing help text from .m files.
John W. Eaton <jwe@octave.org>
parents:
16145
diff
changeset
|
3191 { } |
ed8ce5da525f
don't access lexer values directly when grabbing help text from .m files.
John W. Eaton <jwe@octave.org>
parents:
16145
diff
changeset
|
3192 |
ed8ce5da525f
don't access lexer values directly when grabbing help text from .m files.
John W. Eaton <jwe@octave.org>
parents:
16145
diff
changeset
|
3193 int getc (void) |
ed8ce5da525f
don't access lexer values directly when grabbing help text from .m files.
John W. Eaton <jwe@octave.org>
parents:
16145
diff
changeset
|
3194 { |
ed8ce5da525f
don't access lexer values directly when grabbing help text from .m files.
John W. Eaton <jwe@octave.org>
parents:
16145
diff
changeset
|
3195 char c = ::text_getc (f); |
ed8ce5da525f
don't access lexer values directly when grabbing help text from .m files.
John W. Eaton <jwe@octave.org>
parents:
16145
diff
changeset
|
3196 |
ed8ce5da525f
don't access lexer values directly when grabbing help text from .m files.
John W. Eaton <jwe@octave.org>
parents:
16145
diff
changeset
|
3197 if (c == '\n') |
ed8ce5da525f
don't access lexer values directly when grabbing help text from .m files.
John W. Eaton <jwe@octave.org>
parents:
16145
diff
changeset
|
3198 { |
ed8ce5da525f
don't access lexer values directly when grabbing help text from .m files.
John W. Eaton <jwe@octave.org>
parents:
16145
diff
changeset
|
3199 line_num++; |
ed8ce5da525f
don't access lexer values directly when grabbing help text from .m files.
John W. Eaton <jwe@octave.org>
parents:
16145
diff
changeset
|
3200 column_num = 0; |
ed8ce5da525f
don't access lexer values directly when grabbing help text from .m files.
John W. Eaton <jwe@octave.org>
parents:
16145
diff
changeset
|
3201 } |
ed8ce5da525f
don't access lexer values directly when grabbing help text from .m files.
John W. Eaton <jwe@octave.org>
parents:
16145
diff
changeset
|
3202 else |
ed8ce5da525f
don't access lexer values directly when grabbing help text from .m files.
John W. Eaton <jwe@octave.org>
parents:
16145
diff
changeset
|
3203 { |
ed8ce5da525f
don't access lexer values directly when grabbing help text from .m files.
John W. Eaton <jwe@octave.org>
parents:
16145
diff
changeset
|
3204 // FIXME -- try to be smarter about tabs? |
ed8ce5da525f
don't access lexer values directly when grabbing help text from .m files.
John W. Eaton <jwe@octave.org>
parents:
16145
diff
changeset
|
3205 column_num++; |
ed8ce5da525f
don't access lexer values directly when grabbing help text from .m files.
John W. Eaton <jwe@octave.org>
parents:
16145
diff
changeset
|
3206 } |
ed8ce5da525f
don't access lexer values directly when grabbing help text from .m files.
John W. Eaton <jwe@octave.org>
parents:
16145
diff
changeset
|
3207 |
ed8ce5da525f
don't access lexer values directly when grabbing help text from .m files.
John W. Eaton <jwe@octave.org>
parents:
16145
diff
changeset
|
3208 return c; |
ed8ce5da525f
don't access lexer values directly when grabbing help text from .m files.
John W. Eaton <jwe@octave.org>
parents:
16145
diff
changeset
|
3209 } |
ed8ce5da525f
don't access lexer values directly when grabbing help text from .m files.
John W. Eaton <jwe@octave.org>
parents:
16145
diff
changeset
|
3210 |
8447
adab48231a03
make input_line_number work again
John W. Eaton <jwe@octave.org>
parents:
8311
diff
changeset
|
3211 int ungetc (int c) |
adab48231a03
make input_line_number work again
John W. Eaton <jwe@octave.org>
parents:
8311
diff
changeset
|
3212 { |
adab48231a03
make input_line_number work again
John W. Eaton <jwe@octave.org>
parents:
8311
diff
changeset
|
3213 if (c == '\n') |
16147
ed8ce5da525f
don't access lexer values directly when grabbing help text from .m files.
John W. Eaton <jwe@octave.org>
parents:
16145
diff
changeset
|
3214 { |
ed8ce5da525f
don't access lexer values directly when grabbing help text from .m files.
John W. Eaton <jwe@octave.org>
parents:
16145
diff
changeset
|
3215 line_num--; |
ed8ce5da525f
don't access lexer values directly when grabbing help text from .m files.
John W. Eaton <jwe@octave.org>
parents:
16145
diff
changeset
|
3216 column_num = 0; |
ed8ce5da525f
don't access lexer values directly when grabbing help text from .m files.
John W. Eaton <jwe@octave.org>
parents:
16145
diff
changeset
|
3217 } |
ed8ce5da525f
don't access lexer values directly when grabbing help text from .m files.
John W. Eaton <jwe@octave.org>
parents:
16145
diff
changeset
|
3218 else |
ed8ce5da525f
don't access lexer values directly when grabbing help text from .m files.
John W. Eaton <jwe@octave.org>
parents:
16145
diff
changeset
|
3219 { |
ed8ce5da525f
don't access lexer values directly when grabbing help text from .m files.
John W. Eaton <jwe@octave.org>
parents:
16145
diff
changeset
|
3220 // FIXME -- try to be smarter about tabs? |
ed8ce5da525f
don't access lexer values directly when grabbing help text from .m files.
John W. Eaton <jwe@octave.org>
parents:
16145
diff
changeset
|
3221 column_num--; |
ed8ce5da525f
don't access lexer values directly when grabbing help text from .m files.
John W. Eaton <jwe@octave.org>
parents:
16145
diff
changeset
|
3222 } |
8447
adab48231a03
make input_line_number work again
John W. Eaton <jwe@octave.org>
parents:
8311
diff
changeset
|
3223 |
adab48231a03
make input_line_number work again
John W. Eaton <jwe@octave.org>
parents:
8311
diff
changeset
|
3224 return ::ungetc (c, f); |
adab48231a03
make input_line_number work again
John W. Eaton <jwe@octave.org>
parents:
8311
diff
changeset
|
3225 } |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
3226 |
7720
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3227 private: |
16147
ed8ce5da525f
don't access lexer values directly when grabbing help text from .m files.
John W. Eaton <jwe@octave.org>
parents:
16145
diff
changeset
|
3228 |
7720
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3229 FILE *f; |
12222
91fa3871e9bf
oct-parse.yy (class stdio_stream_reader): disallow copying
Pascal Dupuis <Pascal.Dupuis@uclouvain.be>
parents:
11586
diff
changeset
|
3230 |
16147
ed8ce5da525f
don't access lexer values directly when grabbing help text from .m files.
John W. Eaton <jwe@octave.org>
parents:
16145
diff
changeset
|
3231 int& line_num; |
ed8ce5da525f
don't access lexer values directly when grabbing help text from .m files.
John W. Eaton <jwe@octave.org>
parents:
16145
diff
changeset
|
3232 |
ed8ce5da525f
don't access lexer values directly when grabbing help text from .m files.
John W. Eaton <jwe@octave.org>
parents:
16145
diff
changeset
|
3233 int& column_num; |
ed8ce5da525f
don't access lexer values directly when grabbing help text from .m files.
John W. Eaton <jwe@octave.org>
parents:
16145
diff
changeset
|
3234 |
12222
91fa3871e9bf
oct-parse.yy (class stdio_stream_reader): disallow copying
Pascal Dupuis <Pascal.Dupuis@uclouvain.be>
parents:
11586
diff
changeset
|
3235 // No copying! |
91fa3871e9bf
oct-parse.yy (class stdio_stream_reader): disallow copying
Pascal Dupuis <Pascal.Dupuis@uclouvain.be>
parents:
11586
diff
changeset
|
3236 |
91fa3871e9bf
oct-parse.yy (class stdio_stream_reader): disallow copying
Pascal Dupuis <Pascal.Dupuis@uclouvain.be>
parents:
11586
diff
changeset
|
3237 stdio_stream_reader (const stdio_stream_reader&); |
91fa3871e9bf
oct-parse.yy (class stdio_stream_reader): disallow copying
Pascal Dupuis <Pascal.Dupuis@uclouvain.be>
parents:
11586
diff
changeset
|
3238 |
91fa3871e9bf
oct-parse.yy (class stdio_stream_reader): disallow copying
Pascal Dupuis <Pascal.Dupuis@uclouvain.be>
parents:
11586
diff
changeset
|
3239 stdio_stream_reader & operator = (const stdio_stream_reader&); |
7720
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3240 }; |
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3241 |
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3242 static bool |
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3243 skip_white_space (stream_reader& reader) |
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3244 { |
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3245 int c = 0; |
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3246 |
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3247 while ((c = reader.getc ()) != EOF) |
3021 | 3248 { |
7720
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3249 switch (c) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3250 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3251 case ' ': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3252 case '\t': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3253 case '\n': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3254 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3255 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3256 default: |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3257 reader.ungetc (c); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3258 goto done; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3259 } |
3021 | 3260 } |
3261 | |
3262 done: | |
3263 | |
7720
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3264 return (c == EOF); |
3021 | 3265 } |
3266 | |
9476 | 3267 static bool |
3268 looking_at_classdef_keyword (FILE *ffile) | |
3269 { | |
3270 bool status = false; | |
3271 | |
12918
f3a8d1efe2c1
use gnulib:: qualifiers for more stdio functions
John W. Eaton <jwe@octave.org>
parents:
12719
diff
changeset
|
3272 long pos = gnulib::ftell (ffile); |
9476 | 3273 |
3274 char buf [10]; | |
12918
f3a8d1efe2c1
use gnulib:: qualifiers for more stdio functions
John W. Eaton <jwe@octave.org>
parents:
12719
diff
changeset
|
3275 gnulib::fgets (buf, 10, ffile); |
9476 | 3276 size_t len = strlen (buf); |
3277 if (len > 8 && strncmp (buf, "classdef", 8) == 0 | |
3278 && ! (isalnum (buf[8]) || buf[8] == '_')) | |
3279 status = true; | |
3280 | |
12918
f3a8d1efe2c1
use gnulib:: qualifiers for more stdio functions
John W. Eaton <jwe@octave.org>
parents:
12719
diff
changeset
|
3281 gnulib::fseek (ffile, pos, SEEK_SET); |
9476 | 3282 |
3283 return status; | |
3284 } | |
3285 | |
7720
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3286 static std::string |
16147
ed8ce5da525f
don't access lexer values directly when grabbing help text from .m files.
John W. Eaton <jwe@octave.org>
parents:
16145
diff
changeset
|
3287 gobble_leading_white_space (FILE *ffile, bool& eof, int& line_num, |
ed8ce5da525f
don't access lexer values directly when grabbing help text from .m files.
John W. Eaton <jwe@octave.org>
parents:
16145
diff
changeset
|
3288 int& column_num) |
3021 | 3289 { |
7720
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3290 std::string help_txt; |
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3291 |
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3292 eof = false; |
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3293 |
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3294 // TRUE means we have already cached the help text. |
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3295 bool have_help_text = false; |
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3296 |
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3297 std::string txt; |
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3298 |
16147
ed8ce5da525f
don't access lexer values directly when grabbing help text from .m files.
John W. Eaton <jwe@octave.org>
parents:
16145
diff
changeset
|
3299 stdio_stream_reader stdio_reader (ffile, line_num, column_num); |
7720
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3300 |
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3301 while (true) |
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3302 { |
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3303 eof = skip_white_space (stdio_reader); |
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3304 |
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3305 if (eof) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3306 break; |
7720
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3307 |
16149
49dfba4fd3c5
use pure parser and reentrant lexer interfaces
John W. Eaton <jwe@octave.org>
parents:
16147
diff
changeset
|
3308 txt = CURR_LEXER->grab_comment_block (stdio_reader, true, eof); |
7720
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3309 |
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3310 if (txt.empty ()) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3311 break; |
7720
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3312 |
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3313 if (! (have_help_text || looks_like_copyright (txt))) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3314 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3315 help_txt = txt; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3316 have_help_text = true; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3317 } |
7720
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3318 |
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3319 octave_comment_buffer::append (txt); |
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3320 |
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3321 if (eof) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3322 break; |
7720
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3323 } |
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3324 |
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3325 return help_txt; |
3021 | 3326 } |
3327 | |
16147
ed8ce5da525f
don't access lexer values directly when grabbing help text from .m files.
John W. Eaton <jwe@octave.org>
parents:
16145
diff
changeset
|
3328 static std::string |
ed8ce5da525f
don't access lexer values directly when grabbing help text from .m files.
John W. Eaton <jwe@octave.org>
parents:
16145
diff
changeset
|
3329 gobble_leading_white_space (FILE *ffile, bool& eof) |
ed8ce5da525f
don't access lexer values directly when grabbing help text from .m files.
John W. Eaton <jwe@octave.org>
parents:
16145
diff
changeset
|
3330 { |
ed8ce5da525f
don't access lexer values directly when grabbing help text from .m files.
John W. Eaton <jwe@octave.org>
parents:
16145
diff
changeset
|
3331 int line_num = 1; |
ed8ce5da525f
don't access lexer values directly when grabbing help text from .m files.
John W. Eaton <jwe@octave.org>
parents:
16145
diff
changeset
|
3332 int column_num = 1; |
ed8ce5da525f
don't access lexer values directly when grabbing help text from .m files.
John W. Eaton <jwe@octave.org>
parents:
16145
diff
changeset
|
3333 |
ed8ce5da525f
don't access lexer values directly when grabbing help text from .m files.
John W. Eaton <jwe@octave.org>
parents:
16145
diff
changeset
|
3334 return gobble_leading_white_space (ffile, eof, line_num, column_num); |
ed8ce5da525f
don't access lexer values directly when grabbing help text from .m files.
John W. Eaton <jwe@octave.org>
parents:
16145
diff
changeset
|
3335 } |
ed8ce5da525f
don't access lexer values directly when grabbing help text from .m files.
John W. Eaton <jwe@octave.org>
parents:
16145
diff
changeset
|
3336 |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3337 static bool |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3338 looking_at_function_keyword (FILE *ffile) |
5931 | 3339 { |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3340 bool status = false; |
3021 | 3341 |
12918
f3a8d1efe2c1
use gnulib:: qualifiers for more stdio functions
John W. Eaton <jwe@octave.org>
parents:
12719
diff
changeset
|
3342 long pos = gnulib::ftell (ffile); |
3021 | 3343 |
3344 char buf [10]; | |
12918
f3a8d1efe2c1
use gnulib:: qualifiers for more stdio functions
John W. Eaton <jwe@octave.org>
parents:
12719
diff
changeset
|
3345 gnulib::fgets (buf, 10, ffile); |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3346 size_t len = strlen (buf); |
3021 | 3347 if (len > 8 && strncmp (buf, "function", 8) == 0 |
3348 && ! (isalnum (buf[8]) || buf[8] == '_')) | |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3349 status = true; |
3021 | 3350 |
12918
f3a8d1efe2c1
use gnulib:: qualifiers for more stdio functions
John W. Eaton <jwe@octave.org>
parents:
12719
diff
changeset
|
3351 gnulib::fseek (ffile, pos, SEEK_SET); |
3021 | 3352 |
3353 return status; | |
3354 } | |
3355 | |
7336 | 3356 static octave_function * |
3357 parse_fcn_file (const std::string& ff, const std::string& dispatch_type, | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3358 bool force_script = false, bool require_file = true, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3359 const std::string& warn_for = std::string ()) |
3021 | 3360 { |
10067
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3361 unwind_protect frame; |
3021 | 3362 |
7336 | 3363 octave_function *fcn_ptr = 0; |
3021 | 3364 |
3365 // Open function file and parse. | |
3366 | |
3367 FILE *in_stream = command_editor::get_input_stream (); | |
3368 | |
10067
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3369 frame.add_fcn (command_editor::set_input_stream, in_stream); |
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3370 |
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3371 frame.protect_var (ff_instream); |
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3372 |
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3373 frame.protect_var (reading_fcn_file); |
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3374 frame.protect_var (line_editing); |
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3375 frame.protect_var (current_class_name); |
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3376 frame.protect_var (current_function_depth); |
14544
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
3377 frame.protect_var (function_scopes); |
10067
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3378 frame.protect_var (max_function_depth); |
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3379 frame.protect_var (parsing_subfunctions); |
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3380 frame.protect_var (endfunction_found); |
3021 | 3381 |
3382 reading_fcn_file = true; | |
3383 line_editing = false; | |
7336 | 3384 current_class_name = dispatch_type; |
9474
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
3385 current_function_depth = 0; |
14544
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
3386 function_scopes.clear (); |
9474
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
3387 max_function_depth = 0; |
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
3388 parsing_subfunctions = false; |
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
3389 endfunction_found = false; |
3021 | 3390 |
12989
00235a6446da
eliminate duplication of internal variables controlling command history
John W. Eaton <jwe@octave.org>
parents:
12973
diff
changeset
|
3391 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
|
3392 command_history::ignoring_entries ()); |
00235a6446da
eliminate duplication of internal variables controlling command history
John W. Eaton <jwe@octave.org>
parents:
12973
diff
changeset
|
3393 |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3394 command_history::ignore_entries (); |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3395 |
3021 | 3396 FILE *ffile = get_input_from_file (ff, 0); |
3397 | |
10067
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3398 frame.add_fcn (safe_fclose, ffile); |
3021 | 3399 |
3400 if (ffile) | |
3401 { | |
7720
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3402 bool eof; |
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3403 |
16149
49dfba4fd3c5
use pure parser and reentrant lexer interfaces
John W. Eaton <jwe@octave.org>
parents:
16147
diff
changeset
|
3404 // octave_parser constructor sets this for us. |
49dfba4fd3c5
use pure parser and reentrant lexer interfaces
John W. Eaton <jwe@octave.org>
parents:
16147
diff
changeset
|
3405 frame.protect_var (CURR_LEXER); |
49dfba4fd3c5
use pure parser and reentrant lexer interfaces
John W. Eaton <jwe@octave.org>
parents:
16147
diff
changeset
|
3406 |
49dfba4fd3c5
use pure parser and reentrant lexer interfaces
John W. Eaton <jwe@octave.org>
parents:
16147
diff
changeset
|
3407 octave_parser *curr_parser = new octave_parser (); |
16133
249d62b3fac8
new class for parser state
John W. Eaton <jwe@octave.org>
parents:
16124
diff
changeset
|
3408 frame.add_fcn (octave_parser::cleanup, curr_parser); |
249d62b3fac8
new class for parser state
John W. Eaton <jwe@octave.org>
parents:
16124
diff
changeset
|
3409 |
16149
49dfba4fd3c5
use pure parser and reentrant lexer interfaces
John W. Eaton <jwe@octave.org>
parents:
16147
diff
changeset
|
3410 std::string help_txt |
49dfba4fd3c5
use pure parser and reentrant lexer interfaces
John W. Eaton <jwe@octave.org>
parents:
16147
diff
changeset
|
3411 = gobble_leading_white_space |
49dfba4fd3c5
use pure parser and reentrant lexer interfaces
John W. Eaton <jwe@octave.org>
parents:
16147
diff
changeset
|
3412 (ffile, eof, |
49dfba4fd3c5
use pure parser and reentrant lexer interfaces
John W. Eaton <jwe@octave.org>
parents:
16147
diff
changeset
|
3413 curr_parser->curr_lexer->input_line_number, |
49dfba4fd3c5
use pure parser and reentrant lexer interfaces
John W. Eaton <jwe@octave.org>
parents:
16147
diff
changeset
|
3414 curr_parser->curr_lexer->current_input_column); |
7720
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3415 |
10872
988d16d5ae34
correctly .m files that are empty or contain only comments
John W. Eaton <jwe@octave.org>
parents:
10659
diff
changeset
|
3416 if (! help_txt.empty ()) |
988d16d5ae34
correctly .m files that are empty or contain only comments
John W. Eaton <jwe@octave.org>
parents:
10659
diff
changeset
|
3417 help_buf.push (help_txt); |
988d16d5ae34
correctly .m files that are empty or contain only comments
John W. Eaton <jwe@octave.org>
parents:
10659
diff
changeset
|
3418 |
7720
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3419 if (! eof) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3420 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3421 std::string file_type; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3422 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3423 frame.protect_var (get_input_from_eval_string); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3424 frame.protect_var (reading_fcn_file); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3425 frame.protect_var (reading_script_file); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3426 frame.protect_var (reading_classdef_file); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3427 frame.protect_var (Vecho_executing_commands); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3428 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3429 get_input_from_eval_string = false; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3430 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3431 if (! force_script && looking_at_function_keyword (ffile)) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3432 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3433 file_type = "function"; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3434 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3435 Vecho_executing_commands = ECHO_OFF; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3436 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3437 reading_classdef_file = false; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3438 reading_fcn_file = true; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3439 reading_script_file = false; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3440 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3441 else if (! force_script && looking_at_classdef_keyword (ffile)) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3442 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3443 file_type = "classdef"; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3444 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3445 Vecho_executing_commands = ECHO_OFF; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3446 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3447 reading_classdef_file = true; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3448 reading_fcn_file = false; |
14293
71a198cca35b
improve parsing of classdef methods
John W. Eaton <jwe@octave.org>
parents:
14189
diff
changeset
|
3449 // FIXME -- Should classdef files be handled as |
71a198cca35b
improve parsing of classdef methods
John W. Eaton <jwe@octave.org>
parents:
14189
diff
changeset
|
3450 // scripts or separately? Currently, without setting up |
71a198cca35b
improve parsing of classdef methods
John W. Eaton <jwe@octave.org>
parents:
14189
diff
changeset
|
3451 // for reading script files, parsing classdef files |
71a198cca35b
improve parsing of classdef methods
John W. Eaton <jwe@octave.org>
parents:
14189
diff
changeset
|
3452 // fails. |
71a198cca35b
improve parsing of classdef methods
John W. Eaton <jwe@octave.org>
parents:
14189
diff
changeset
|
3453 reading_script_file = true; |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3454 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3455 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3456 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3457 file_type = "script"; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3458 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3459 Vecho_executing_commands = ECHO_OFF; |
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 reading_classdef_file = false; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3462 reading_fcn_file = false; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3463 reading_script_file = true; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3464 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3465 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3466 frame.protect_var (primary_fcn_ptr); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3467 primary_fcn_ptr = 0; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3468 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3469 // Do this with an unwind-protect cleanup function so that |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3470 // the forced variables will be unmarked in the event of an |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
3471 // interrupt. |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3472 symbol_table::scope_id scope = symbol_table::top_scope (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3473 frame.add_fcn (symbol_table::unmark_forced_variables, scope); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3474 |
10879
5af852c93af3
oct-parse.yy: Restore parsing of help text.
Rik <octave@nomad.inbox5.com>
parents:
10872
diff
changeset
|
3475 if (! help_txt.empty ()) |
5af852c93af3
oct-parse.yy: Restore parsing of help text.
Rik <octave@nomad.inbox5.com>
parents:
10872
diff
changeset
|
3476 help_buf.push (help_txt); |
5af852c93af3
oct-parse.yy: Restore parsing of help text.
Rik <octave@nomad.inbox5.com>
parents:
10872
diff
changeset
|
3477 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3478 if (reading_script_file) |
16149
49dfba4fd3c5
use pure parser and reentrant lexer interfaces
John W. Eaton <jwe@octave.org>
parents:
16147
diff
changeset
|
3479 curr_parser->curr_lexer->prep_for_script_file (); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3480 else |
16149
49dfba4fd3c5
use pure parser and reentrant lexer interfaces
John W. Eaton <jwe@octave.org>
parents:
16147
diff
changeset
|
3481 curr_parser->curr_lexer->prep_for_function_file (); |
49dfba4fd3c5
use pure parser and reentrant lexer interfaces
John W. Eaton <jwe@octave.org>
parents:
16147
diff
changeset
|
3482 |
49dfba4fd3c5
use pure parser and reentrant lexer interfaces
John W. Eaton <jwe@octave.org>
parents:
16147
diff
changeset
|
3483 curr_parser->curr_lexer->parsing_class_method = ! dispatch_type.empty (); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3484 |
11258
795c97ace02c
eliminate some possible memory leaks
John W. Eaton <jwe@octave.org>
parents:
11225
diff
changeset
|
3485 frame.protect_var (global_command); |
795c97ace02c
eliminate some possible memory leaks
John W. Eaton <jwe@octave.org>
parents:
11225
diff
changeset
|
3486 |
795c97ace02c
eliminate some possible memory leaks
John W. Eaton <jwe@octave.org>
parents:
11225
diff
changeset
|
3487 global_command = 0; |
795c97ace02c
eliminate some possible memory leaks
John W. Eaton <jwe@octave.org>
parents:
11225
diff
changeset
|
3488 |
16138
284e2ca86ef7
execute parser using member function of octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16136
diff
changeset
|
3489 int status = curr_parser->run (); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3490 |
13970 | 3491 // Use an unwind-protect cleanup function so that the |
3492 // global_command list will be deleted in the event of an | |
3493 // interrupt. | |
3494 | |
3495 frame.add_fcn (cleanup_statement_list, &global_command); | |
11258
795c97ace02c
eliminate some possible memory leaks
John W. Eaton <jwe@octave.org>
parents:
11225
diff
changeset
|
3496 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3497 fcn_ptr = primary_fcn_ptr; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3498 |
12400
5252f12537f8
don't warn about coercing nested functions to subfunctions if yyparse failed
John W. Eaton <jwe@octave.org>
parents:
12222
diff
changeset
|
3499 if (status != 0) |
5252f12537f8
don't warn about coercing nested functions to subfunctions if yyparse failed
John W. Eaton <jwe@octave.org>
parents:
12222
diff
changeset
|
3500 error ("parse error while reading %s file %s", |
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
|
3501 file_type.c_str (), ff.c_str ()); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3502 } |
10872
988d16d5ae34
correctly .m files that are empty or contain only comments
John W. Eaton <jwe@octave.org>
parents:
10659
diff
changeset
|
3503 else |
988d16d5ae34
correctly .m files that are empty or contain only comments
John W. Eaton <jwe@octave.org>
parents:
10659
diff
changeset
|
3504 { |
16149
49dfba4fd3c5
use pure parser and reentrant lexer interfaces
John W. Eaton <jwe@octave.org>
parents:
16147
diff
changeset
|
3505 int l = curr_parser->curr_lexer->input_line_number; |
49dfba4fd3c5
use pure parser and reentrant lexer interfaces
John W. Eaton <jwe@octave.org>
parents:
16147
diff
changeset
|
3506 int c = curr_parser->curr_lexer->current_input_column; |
49dfba4fd3c5
use pure parser and reentrant lexer interfaces
John W. Eaton <jwe@octave.org>
parents:
16147
diff
changeset
|
3507 |
10872
988d16d5ae34
correctly .m files that are empty or contain only comments
John W. Eaton <jwe@octave.org>
parents:
10659
diff
changeset
|
3508 tree_statement *end_of_script |
16149
49dfba4fd3c5
use pure parser and reentrant lexer interfaces
John W. Eaton <jwe@octave.org>
parents:
16147
diff
changeset
|
3509 = curr_parser->make_end ("endscript", l, c); |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
3510 |
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
3511 curr_parser->make_script (0, end_of_script); |
10872
988d16d5ae34
correctly .m files that are empty or contain only comments
John W. Eaton <jwe@octave.org>
parents:
10659
diff
changeset
|
3512 |
988d16d5ae34
correctly .m files that are empty or contain only comments
John W. Eaton <jwe@octave.org>
parents:
10659
diff
changeset
|
3513 fcn_ptr = primary_fcn_ptr; |
988d16d5ae34
correctly .m files that are empty or contain only comments
John W. Eaton <jwe@octave.org>
parents:
10659
diff
changeset
|
3514 } |
3021 | 3515 } |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3516 else if (require_file) |
15466
d174210ce1ec
use ' instead of ` in error messages, warnings and most comments
John W. Eaton <jwe@octave.org>
parents:
14189
diff
changeset
|
3517 error ("no such file, '%s'", ff.c_str ()); |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3518 else if (! warn_for.empty ()) |
15466
d174210ce1ec
use ' instead of ` in error messages, warnings and most comments
John W. Eaton <jwe@octave.org>
parents:
14189
diff
changeset
|
3519 error ("%s: unable to open file '%s'", warn_for.c_str (), ff.c_str ()); |
3021 | 3520 |
7336 | 3521 return fcn_ptr; |
3021 | 3522 } |
3523 | |
5484 | 3524 std::string |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3525 get_help_from_file (const std::string& nm, bool& symbol_found, |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3526 std::string& file) |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3527 { |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3528 std::string retval; |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3529 |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3530 file = fcn_file_in_path (nm); |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3531 |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3532 if (! file.empty ()) |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3533 { |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3534 symbol_found = true; |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3535 |
14153 | 3536 FILE *fptr = gnulib::fopen (file.c_str (), "r"); |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3537 |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3538 if (fptr) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3539 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3540 unwind_protect frame; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3541 frame.add_fcn (safe_fclose, fptr); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3542 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3543 bool eof; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3544 retval = gobble_leading_white_space (fptr, eof); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3545 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3546 if (retval.empty ()) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3547 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3548 octave_function *fcn = parse_fcn_file (file, ""); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3549 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3550 if (fcn) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3551 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3552 retval = fcn->doc_string (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3553 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3554 delete fcn; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3555 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3556 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3557 } |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3558 } |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3559 |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3560 return retval; |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3561 } |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3562 |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3563 std::string |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3564 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
|
3565 { |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3566 std::string file; |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3567 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
|
3568 } |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3569 |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3570 std::string |
5484 | 3571 lookup_autoload (const std::string& nm) |
3572 { | |
5626 | 3573 std::string retval; |
3574 | |
3575 typedef std::map<std::string, std::string>::const_iterator am_iter; | |
3576 | |
3577 am_iter p = autoload_map.find (nm); | |
3578 | |
3579 if (p != autoload_map.end ()) | |
6323 | 3580 retval = load_path::find_file (p->second); |
5626 | 3581 |
3582 return retval; | |
5484 | 3583 } |
3584 | |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
3585 string_vector |
5592 | 3586 autoloaded_functions (void) |
3587 { | |
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
|
3588 string_vector names (autoload_map.size ()); |
5592 | 3589 |
3590 octave_idx_type i = 0; | |
5626 | 3591 typedef std::map<std::string, std::string>::const_iterator am_iter; |
3592 for (am_iter p = autoload_map.begin (); p != autoload_map.end (); p++) | |
5592 | 3593 names[i++] = p->first; |
3594 | |
3595 return names; | |
3596 } | |
3597 | |
3598 string_vector | |
3599 reverse_lookup_autoload (const std::string& nm) | |
3600 { | |
3601 string_vector names; | |
3602 | |
5626 | 3603 typedef std::map<std::string, std::string>::const_iterator am_iter; |
3604 for (am_iter p = autoload_map.begin (); p != autoload_map.end (); p++) | |
5592 | 3605 if (nm == p->second) |
3606 names.append (p->first); | |
3607 | |
3608 return names; | |
3609 } | |
3610 | |
7336 | 3611 octave_function * |
3612 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
|
3613 const std::string& dispatch_type, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3614 const std::string& fcn_name, bool autoload) |
3021 | 3615 { |
7336 | 3616 octave_function *retval = 0; |
3617 | |
10067
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3618 unwind_protect frame; |
5484 | 3619 |
7336 | 3620 std::string nm = file_name; |
6238 | 3621 |
3622 size_t nm_len = nm.length (); | |
5472 | 3623 |
3624 std::string file; | |
3625 | |
10067
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3626 frame.protect_var (fcn_file_from_relative_lookup); |
6323 | 3627 |
3628 fcn_file_from_relative_lookup = false; | |
3629 | |
7336 | 3630 file = nm; |
3631 | |
3632 if ((nm_len > 4 && nm.substr (nm_len-4) == ".oct") | |
3633 || (nm_len > 4 && nm.substr (nm_len-4) == ".mex") | |
3634 || (nm_len > 2 && nm.substr (nm_len-2) == ".m")) | |
5472 | 3635 { |
6238 | 3636 nm = octave_env::base_pathname (file); |
3637 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
|
3638 |
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
|
3639 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
|
3640 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
|
3641 nm = nm.substr (pos+1); |
5472 | 3642 } |
7336 | 3643 |
3644 if (autoload) | |
5472 | 3645 { |
10067
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3646 frame.protect_var (autoloading); |
7336 | 3647 autoloading = true; |
3648 } | |
3649 | |
7749
14e05160b99f
reference counting for functions loaded from shared libraries
John W. Eaton <jwe@octave.org>
parents:
7736
diff
changeset
|
3650 fcn_file_from_relative_lookup = ! octave_env::absolute_pathname (file); |
14e05160b99f
reference counting for functions loaded from shared libraries
John W. Eaton <jwe@octave.org>
parents:
7736
diff
changeset
|
3651 |
10250 | 3652 file = octave_env::make_absolute (file); |
4243 | 3653 |
3654 int len = file.length (); | |
3655 | |
4244 | 3656 if (len > 4 && file.substr (len-4, len-1) == ".oct") |
3021 | 3657 { |
7336 | 3658 if (autoload && ! fcn_name.empty ()) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3659 nm = fcn_name; |
7336 | 3660 |
3661 retval = octave_dynamic_loader::load_oct (nm, file, fcn_file_from_relative_lookup); | |
5864 | 3662 } |
3663 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
|
3664 { |
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
|
3665 // 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
|
3666 // 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
|
3667 frame.protect_var (curr_fcn_file_name); |
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
|
3668 frame.protect_var (curr_fcn_file_full_name); |
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
|
3669 |
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
|
3670 curr_fcn_file_name = nm; |
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
|
3671 curr_fcn_file_full_name = file.substr (0, len - 2); |
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
|
3672 |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
3673 octave_function *tmpfcn = parse_fcn_file (file.substr (0, len - 2), |
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
3674 dispatch_type, autoloading, |
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
|
3675 false); |
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
|
3676 |
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
|
3677 retval = octave_dynamic_loader::load_mex (nm, file, fcn_file_from_relative_lookup); |
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
|
3678 |
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
|
3679 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
|
3680 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
|
3681 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
|
3682 } |
4244 | 3683 else if (len > 2) |
3021 | 3684 { |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3685 // These are needed by yyparse. |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3686 |
10067
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3687 frame.protect_var (curr_fcn_file_name); |
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3688 frame.protect_var (curr_fcn_file_full_name); |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3689 |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3690 curr_fcn_file_name = nm; |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3691 curr_fcn_file_full_name = file; |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3692 |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3693 retval = parse_fcn_file (file, dispatch_type, autoloading); |
3021 | 3694 } |
3695 | |
7336 | 3696 if (retval) |
8819
96d87674b818
also stash directory name for subfunctions
John W. Eaton <jwe@octave.org>
parents:
8812
diff
changeset
|
3697 { |
96d87674b818
also stash directory name for subfunctions
John W. Eaton <jwe@octave.org>
parents:
8812
diff
changeset
|
3698 retval->stash_dir_name (dir_name); |
96d87674b818
also stash directory name for subfunctions
John W. Eaton <jwe@octave.org>
parents:
8812
diff
changeset
|
3699 |
96d87674b818
also stash directory name for subfunctions
John W. Eaton <jwe@octave.org>
parents:
8812
diff
changeset
|
3700 if (retval->is_user_function ()) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3701 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3702 symbol_table::scope_id id = retval->scope (); |
57a59eae83cc
untabify src C++ source files
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|
3703 |
57a59eae83cc
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changeset
|
3704 symbol_table::stash_dir_name_for_subfunctions (id, dir_name); |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
3705 } |
8819
96d87674b818
also stash directory name for subfunctions
John W. Eaton <jwe@octave.org>
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8812
diff
changeset
|
3706 } |
7336 | 3707 |
3708 return retval; | |
5312 | 3709 } |
3710 | |
8746
5dd06f19e9be
handle commands in the lexer
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3711 DEFUN (autoload, args, , |
5484 | 3712 "-*- texinfo -*-\n\ |
3713 @deftypefn {Built-in Function} {} autoload (@var{function}, @var{file})\n\ | |
3714 Define @var{function} to autoload from @var{file}.\n\ | |
5626 | 3715 \n\ |
6926 | 3716 The second argument, @var{file}, should be an absolute file name or\n\ |
3717 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
|
3718 the autoload command was run. @var{file} should not depend on the\n\ |
6926 | 3719 Octave load path.\n\ |
6380 | 3720 \n\ |
3721 Normally, calls to @code{autoload} appear in PKG_ADD script files that\n\ | |
3722 are evaluated when a directory is added to the Octave's load path. To\n\ | |
6926 | 3723 avoid having to hardcode directory names in @var{file}, if @var{file}\n\ |
3724 is in the same directory as the PKG_ADD script then\n\ | |
6380 | 3725 \n\ |
3726 @example\n\ | |
6926 | 3727 autoload (\"foo\", \"bar.oct\");\n\ |
6380 | 3728 @end example\n\ |
3729 \n\ | |
11572
7d6d8c1e471f
Grammarcheck Texinfo for files in src directory.
Rik <octave@nomad.inbox5.com>
parents:
11523
diff
changeset
|
3730 @noindent\n\ |
9038
fca0dc2fb042
Cleanup documentation files stmt.texi and func.texi
Rik <rdrider0-list@yahoo.com>
parents:
8974
diff
changeset
|
3731 will load the function @code{foo} from the file @code{bar.oct}. The above\n\ |
6926 | 3732 when @code{bar.oct} is not in the same directory or uses like\n\ |
6380 | 3733 \n\ |
3734 @example\n\ | |
6637 | 3735 autoload (\"foo\", file_in_loadpath (\"bar.oct\"))\n\ |
6380 | 3736 @end example\n\ |
3737 \n\ | |
3738 @noindent\n\ | |
6926 | 3739 are strongly discouraged, as their behavior might be unpredictable.\n\ |
6380 | 3740 \n\ |
6637 | 3741 With no arguments, return a structure containing the current autoload map.\n\ |
6380 | 3742 @seealso{PKG_ADD}\n\ |
5484 | 3743 @end deftypefn") |
3744 { | |
5626 | 3745 octave_value retval; |
5484 | 3746 |
3747 int nargin = args.length (); | |
3748 | |
5626 | 3749 if (nargin == 0) |
3750 { | |
10350
12884915a8e4
merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents:
10315
diff
changeset
|
3751 Cell func_names (dim_vector (autoload_map.size (), 1)); |
12884915a8e4
merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
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diff
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|
3752 Cell file_names (dim_vector (autoload_map.size (), 1)); |
5626 | 3753 |
3754 octave_idx_type i = 0; | |
3755 typedef std::map<std::string, std::string>::const_iterator am_iter; | |
3756 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>
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changeset
|
3757 { |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
3758 func_names(i) = p->first; |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
3759 file_names(i) = p->second; |
57a59eae83cc
untabify src C++ source files
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changeset
|
3760 |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
3761 i++; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
3762 } |
5626 | 3763 |
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
|
3764 octave_map m; |
5626 | 3765 |
3766 m.assign ("function", func_names); | |
3767 m.assign ("file", file_names); | |
3768 | |
3769 retval = m; | |
3770 } | |
3771 else if (nargin == 2) | |
5484 | 3772 { |
3773 string_vector argv = args.make_argv ("autoload"); | |
3774 | |
3775 if (! error_state) | |
6380 | 3776 { |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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changeset
|
3777 std::string nm = argv[2]; |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
3778 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
3779 if (! octave_env::absolute_pathname (nm)) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3780 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
3781 octave_user_code *fcn = octave_call_stack::caller_user_code (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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changeset
|
3782 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3783 bool found = false; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
3784 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
3785 if (fcn) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
3786 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
3787 std::string fname = fcn->fcn_file_name (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3788 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
3789 if (! fname.empty ()) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3790 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10250
diff
changeset
|
3791 fname = octave_env::make_absolute (fname); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
3792 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:
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diff
changeset
|
3793 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3794 file_stat fs (fname + nm); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3795 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
3796 if (fs.exists ()) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3797 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
3798 nm = fname + nm; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3799 found = true; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
3800 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
3801 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
3802 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
3803 if (! found) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3804 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
|
3805 "autoload: '%s' is not an absolute file name", |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3806 nm.c_str ()); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3807 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
3808 autoload_map[argv[1]] = nm; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3809 } |
5484 | 3810 } |
3811 else | |
5823 | 3812 print_usage (); |
5484 | 3813 |
3814 return retval; | |
3815 } | |
3816 | |
4486 | 3817 void |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3818 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:
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changeset
|
3819 bool verbose, bool require_file, const std::string& warn_for) |
4486 | 3820 { |
10578
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3821 // 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
|
3822 // 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
|
3823 // 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
|
3824 // written as |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3825 // |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3826 // foo1.m: |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3827 // ------ |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3828 // foo2 |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3829 // |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3830 // foo2.m: |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3831 // ------ |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3832 // foo1 |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3833 // |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3834 // and called with |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3835 // |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3836 // foo1 |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3837 // |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3838 // (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
|
3839 // |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3840 // foo1.m: |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3841 // ------ |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3842 // source ("foo2.m") |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3843 // |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
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diff
changeset
|
3844 // foo2.m: |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3845 // ------ |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3846 // source ("foo1.m") |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
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diff
changeset
|
3847 // |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
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diff
changeset
|
3848 // and called with |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
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10570
diff
changeset
|
3849 // |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3850 // source ("foo1.m") |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
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diff
changeset
|
3851 // |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
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10570
diff
changeset
|
3852 // (for example). |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
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10570
diff
changeset
|
3853 |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
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diff
changeset
|
3854 static std::map<std::string, int> source_call_depth; |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
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diff
changeset
|
3855 |
4486 | 3856 std::string file_full_name = file_ops::tilde_expand (file_name); |
3857 | |
10578
cb0883127251
limit on recursion via calls to source function
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diff
changeset
|
3858 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>
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diff
changeset
|
3859 |
10067
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3860 unwind_protect frame; |
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3861 |
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
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9794
diff
changeset
|
3862 frame.protect_var (curr_fcn_file_name); |
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3863 frame.protect_var (curr_fcn_file_full_name); |
4486 | 3864 |
3865 curr_fcn_file_name = file_name; | |
3866 curr_fcn_file_full_name = file_full_name; | |
3867 | |
10578
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
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diff
changeset
|
3868 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>
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diff
changeset
|
3869 source_call_depth[file_full_name] = -1; |
cb0883127251
limit on recursion via calls to source function
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diff
changeset
|
3870 |
cb0883127251
limit on recursion via calls to source function
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10570
diff
changeset
|
3871 frame.protect_var (source_call_depth[file_full_name]); |
cb0883127251
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diff
changeset
|
3872 |
cb0883127251
limit on recursion via calls to source function
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diff
changeset
|
3873 source_call_depth[file_full_name]++; |
cb0883127251
limit on recursion via calls to source function
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changeset
|
3874 |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
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diff
changeset
|
3875 if (source_call_depth[file_full_name] >= Vmax_recursion_depth) |
cb0883127251
limit on recursion via calls to source function
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10570
diff
changeset
|
3876 { |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
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diff
changeset
|
3877 error ("max_recursion_depth exceeded"); |
cb0883127251
limit on recursion via calls to source function
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diff
changeset
|
3878 return; |
cb0883127251
limit on recursion via calls to source function
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10570
diff
changeset
|
3879 } |
cb0883127251
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
3880 |
5975 | 3881 if (! context.empty ()) |
3882 { | |
3883 if (context == "caller") | |
10315
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untabify src C++ source files
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changeset
|
3884 octave_call_stack::goto_caller_frame (); |
5975 | 3885 else if (context == "base") |
10315
57a59eae83cc
untabify src C++ source files
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changeset
|
3886 octave_call_stack::goto_base_frame (); |
5975 | 3887 else |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3888 error ("source: context must be \"caller\" or \"base\""); |
7336 | 3889 |
3890 if (! error_state) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3891 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
|
3892 } |
5975 | 3893 |
3894 if (! error_state) | |
3895 { | |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3896 octave_function *fcn = parse_fcn_file (file_full_name, "", true, |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3897 require_file, warn_for); |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3898 |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3899 if (! error_state) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3900 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3901 if (fcn && fcn->is_user_script ()) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3902 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3903 octave_value_list args; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3904 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3905 if (verbose) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3906 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3907 std::cout << "executing commands from " << file_full_name << " ... "; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3908 reading_startup_message_printed = true; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3909 std::cout.flush (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3910 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3911 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3912 fcn->do_multi_index_op (0, args); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3913 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3914 if (verbose) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3915 std::cout << "done." << std::endl; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3916 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3917 delete fcn; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3918 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3919 } |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3920 else |
15466
d174210ce1ec
use ' instead of ` in error messages, warnings and most comments
John W. Eaton <jwe@octave.org>
parents:
14189
diff
changeset
|
3921 error ("source: error sourcing file '%s'", |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3922 file_full_name.c_str ()); |
5975 | 3923 } |
4486 | 3924 } |
3925 | |
5739 | 3926 DEFUN (mfilename, args, , |
3927 "-*- texinfo -*-\n\ | |
11572
7d6d8c1e471f
Grammarcheck Texinfo for files in src directory.
Rik <octave@nomad.inbox5.com>
parents:
11523
diff
changeset
|
3928 @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
|
3929 @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
|
3930 @deftypefnx {Built-in Function} {} mfilename (\"fullpathext\")\n\ |
5739 | 3931 Return the name of the currently executing file. At the top-level,\n\ |
3932 return the empty string. Given the argument @code{\"fullpath\"},\n\ | |
3933 include the directory part of the file name, but not the extension.\n\ | |
3934 Given the argument @code{\"fullpathext\"}, include the directory part\n\ | |
3935 of the file name and the extension.\n\ | |
5774 | 3936 @end deftypefn") |
5739 | 3937 { |
3938 octave_value retval; | |
3939 | |
3940 int nargin = args.length (); | |
3941 | |
3942 if (nargin > 1) | |
3943 { | |
5823 | 3944 print_usage (); |
5739 | 3945 return retval; |
3946 } | |
3947 | |
3948 std::string arg; | |
3949 | |
3950 if (nargin == 1) | |
3951 { | |
3952 arg = args(0).string_value (); | |
3953 | |
3954 if (error_state) | |
10315
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 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
|
3957 return retval; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3958 } |
5739 | 3959 } |
3960 | |
3961 std::string fname; | |
3962 | |
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
|
3963 octave_user_code *fcn = octave_call_stack::caller_user_code (); |
5743 | 3964 |
3965 if (fcn) | |
3966 { | |
3967 fname = fcn->fcn_file_name (); | |
3968 | |
3969 if (fname.empty ()) | |
3970 fname = fcn->name (); | |
3971 } | |
5739 | 3972 |
3973 if (arg == "fullpathext") | |
3974 retval = fname; | |
3975 else | |
3976 { | |
8007
a2ab20ba78f7
make file_ops a proper singleton class
John W. Eaton <jwe@octave.org>
parents:
8001
diff
changeset
|
3977 size_t dpos = fname.rfind (file_ops::dir_sep_char ()); |
5747 | 3978 size_t epos = fname.rfind ('.'); |
3979 | |
3980 if (epos <= dpos) | |
8021 | 3981 epos = std::string::npos; |
3982 | |
3983 fname = (epos != std::string::npos) ? fname.substr (0, epos) : fname; | |
5739 | 3984 |
3985 if (arg == "fullpath") | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3986 retval = fname; |
5739 | 3987 else |
8021 | 3988 retval = (dpos != std::string::npos) ? fname.substr (dpos+1) : fname; |
5739 | 3989 } |
3990 | |
3991 return retval; | |
3992 } | |
3993 | |
3994 | |
3021 | 3995 DEFUN (source, args, , |
3371 | 3996 "-*- texinfo -*-\n\ |
3997 @deftypefn {Built-in Function} {} source (@var{file})\n\ | |
3998 Parse and execute the contents of @var{file}. This is equivalent to\n\ | |
3999 executing commands from a script file, but without requiring the file to\n\ | |
4000 be named @file{@var{file}.m}.\n\ | |
4001 @end deftypefn") | |
3021 | 4002 { |
4003 octave_value_list retval; | |
4004 | |
4005 int nargin = args.length (); | |
4006 | |
5975 | 4007 if (nargin == 1 || nargin == 2) |
3021 | 4008 { |
3523 | 4009 std::string file_name = args(0).string_value (); |
3021 | 4010 |
4011 if (! error_state) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4012 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4013 std::string context; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4014 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4015 if (nargin == 2) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4016 context = args(1).string_value (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4017 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4018 if (! error_state) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4019 source_file (file_name, context); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4020 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4021 error ("source: expecting context to be character string"); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4022 } |
3021 | 4023 else |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4024 error ("source: expecting file name as argument"); |
3021 | 4025 } |
4026 else | |
5823 | 4027 print_usage (); |
3021 | 4028 |
4029 return retval; | |
4030 } | |
4031 | |
3726 | 4032 // Evaluate an Octave function (built-in or interpreted) and return |
3844 | 4033 // the list of result values. NAME is the name of the function to |
4034 // 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
|
4035 // number of output arguments expected. |
3726 | 4036 |
3021 | 4037 octave_value_list |
3523 | 4038 feval (const std::string& name, const octave_value_list& args, int nargout) |
3156 | 4039 { |
4040 octave_value_list retval; | |
4041 | |
7336 | 4042 octave_value fcn = symbol_table::find_function (name, args); |
4043 | |
4044 if (fcn.is_defined ()) | |
4045 retval = fcn.do_multi_index_op (nargout, args); | |
4046 else | |
10443
34e51d4e199b
implement smart warnings about missing Matlab functionality
Jaroslav Hajek <highegg@gmail.com>
parents:
10426
diff
changeset
|
4047 { |
34e51d4e199b
implement smart warnings about missing Matlab functionality
Jaroslav Hajek <highegg@gmail.com>
parents:
10426
diff
changeset
|
4048 maybe_missing_function_hook (name); |
34e51d4e199b
implement smart warnings about missing Matlab functionality
Jaroslav Hajek <highegg@gmail.com>
parents:
10426
diff
changeset
|
4049 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
|
4050 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
|
4051 } |
3156 | 4052 |
4053 return retval; | |
4054 } | |
4055 | |
4342 | 4056 octave_value_list |
4057 feval (octave_function *fcn, const octave_value_list& args, int nargout) | |
4058 { | |
4059 octave_value_list retval; | |
4060 | |
4061 if (fcn) | |
4062 retval = fcn->do_multi_index_op (nargout, args); | |
4063 | |
4064 return retval; | |
4065 } | |
4066 | |
4067 static octave_value_list | |
4068 get_feval_args (const octave_value_list& args) | |
4069 { | |
10659
8baff2aceabc
fix slicing value lists with name tags (bug #29960)
Jaroslav Hajek <highegg@gmail.com>
parents:
10578
diff
changeset
|
4070 return args.slice (1, args.length () - 1, true); |
4342 | 4071 } |
4072 | |
4073 | |
3726 | 4074 // Evaluate an Octave function (built-in or interpreted) and return |
4075 // the list of result values. The first element of ARGS should be a | |
4076 // string containing the name of the function to call, then the rest | |
4077 // are the actual arguments to the function. NARGOUT is the number of | |
4078 // output arguments expected. | |
4079 | |
3156 | 4080 octave_value_list |
3021 | 4081 feval (const octave_value_list& args, int nargout) |
4082 { | |
4083 octave_value_list retval; | |
4084 | |
4342 | 4085 int nargin = args.length (); |
4086 | |
4087 if (nargin > 0) | |
3021 | 4088 { |
4342 | 4089 octave_value f_arg = args(0); |
4090 | |
4091 if (f_arg.is_string ()) | |
4092 { | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4093 std::string name = f_arg.string_value (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4094 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4095 if (! error_state) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4096 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4097 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
|
4098 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4099 retval = feval (name, tmp_args, nargout); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4100 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4101 } |
13241
2a8dcb5b3a00
improve default indexing for objects
John W. Eaton <jwe@octave.org>
parents:
13237
diff
changeset
|
4102 else if (f_arg.is_function_handle () |
2a8dcb5b3a00
improve default indexing for objects
John W. Eaton <jwe@octave.org>
parents:
13237
diff
changeset
|
4103 || f_arg.is_anonymous_function () |
2a8dcb5b3a00
improve default indexing for objects
John W. Eaton <jwe@octave.org>
parents:
13237
diff
changeset
|
4104 || f_arg.is_inline_function ()) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4105 { |
10492
a6b64a7a3769
make feval work with overloaded handles
Jaroslav Hajek <highegg@gmail.com>
parents:
10463
diff
changeset
|
4106 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
|
4107 |
a6b64a7a3769
make feval work with overloaded handles
Jaroslav Hajek <highegg@gmail.com>
parents:
10463
diff
changeset
|
4108 retval = f_arg.do_multi_index_op (nargout, tmp_args); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10250
diff
changeset
|
4109 } |
10492
a6b64a7a3769
make feval work with overloaded handles
Jaroslav Hajek <highegg@gmail.com>
parents:
10463
diff
changeset
|
4110 else |
a6b64a7a3769
make feval work with overloaded handles
Jaroslav Hajek <highegg@gmail.com>
parents:
10463
diff
changeset
|
4111 error ("feval: first argument must be a string, inline function or a function handle"); |
3021 | 4112 } |
4113 | |
4114 return retval; | |
4115 } | |
4116 | |
4117 DEFUN (feval, args, nargout, | |
3371 | 4118 "-*- texinfo -*-\n\ |
4119 @deftypefn {Built-in Function} {} feval (@var{name}, @dots{})\n\ | |
4120 Evaluate the function named @var{name}. Any arguments after the first\n\ | |
4121 are passed on to the named function. For example,\n\ | |
4122 \n\ | |
4123 @example\n\ | |
11572
7d6d8c1e471f
Grammarcheck Texinfo for files in src directory.
Rik <octave@nomad.inbox5.com>
parents:
11523
diff
changeset
|
4124 @group\n\ |
3371 | 4125 feval (\"acos\", -1)\n\ |
4126 @result{} 3.1416\n\ | |
11572
7d6d8c1e471f
Grammarcheck Texinfo for files in src directory.
Rik <octave@nomad.inbox5.com>
parents:
11523
diff
changeset
|
4127 @end group\n\ |
3371 | 4128 @end example\n\ |
3021 | 4129 \n\ |
3371 | 4130 @noindent\n\ |
4131 calls the function @code{acos} with the argument @samp{-1}.\n\ | |
4132 \n\ | |
12946
8b5b85e26246
octave-parse.yy (feval): Update docstring to refer to function handles.
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents:
12918
diff
changeset
|
4133 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
|
4134 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
|
4135 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
|
4136 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
|
4137 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
|
4138 \n\ |
8b5b85e26246
octave-parse.yy (feval): Update docstring to refer to function handles.
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents:
12918
diff
changeset
|
4139 @example\n\ |
8b5b85e26246
octave-parse.yy (feval): Update docstring to refer to function handles.
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents:
12918
diff
changeset
|
4140 @group\n\ |
8b5b85e26246
octave-parse.yy (feval): Update docstring to refer to function handles.
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents:
12918
diff
changeset
|
4141 @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
|
4142 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
|
4143 @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
|
4144 @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
|
4145 @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
|
4146 @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
|
4147 @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
|
4148 \n\ |
8b5b85e26246
octave-parse.yy (feval): Update docstring to refer to function handles.
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents:
12918
diff
changeset
|
4149 @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
|
4150 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
|
4151 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
|
4152 function name in a string, @code{feval} can be used instead.\n\ |
3371 | 4153 @end deftypefn") |
3021 | 4154 { |
4155 octave_value_list retval; | |
4156 | |
4157 int nargin = args.length (); | |
4158 | |
4159 if (nargin > 0) | |
4160 retval = feval (args, nargout); | |
4161 else | |
5823 | 4162 print_usage (); |
3021 | 4163 |
4164 return retval; | |
4165 } | |
4166 | |
11225
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4167 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
|
4168 "-*- texinfo -*-\n\ |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4169 @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
|
4170 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
|
4171 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
|
4172 @end deftypefn") |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4173 { |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
4174 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
|
4175 |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4176 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
|
4177 |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4178 if (nargin > 0) |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4179 { |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4180 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
|
4181 |
11225
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4182 if (! error_state) |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4183 { |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4184 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
|
4185 |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4186 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
|
4187 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
|
4188 nargout); |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4189 else |
15466
d174210ce1ec
use ' instead of ` in error messages, warnings and most comments
John W. Eaton <jwe@octave.org>
parents:
14189
diff
changeset
|
4190 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
|
4191 } |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4192 else |
12483
7a5aacf65f81
Rewrite error strings in src/ to use variables named in documentation.
Rik <octave@nomad.inbox5.com>
parents:
12400
diff
changeset
|
4193 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
|
4194 } |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4195 else |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4196 print_usage (); |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4197 |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4198 return retval; |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4199 } |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4200 |
3099 | 4201 octave_value_list |
3523 | 4202 eval_string (const std::string& s, bool silent, int& parse_status, int nargout) |
3021 | 4203 { |
3877 | 4204 octave_value_list retval; |
4205 | |
10067
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
4206 unwind_protect frame; |
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
4207 |
16149
49dfba4fd3c5
use pure parser and reentrant lexer interfaces
John W. Eaton <jwe@octave.org>
parents:
16147
diff
changeset
|
4208 // octave_parser constructor sets this for us. |
49dfba4fd3c5
use pure parser and reentrant lexer interfaces
John W. Eaton <jwe@octave.org>
parents:
16147
diff
changeset
|
4209 frame.protect_var (CURR_LEXER); |
49dfba4fd3c5
use pure parser and reentrant lexer interfaces
John W. Eaton <jwe@octave.org>
parents:
16147
diff
changeset
|
4210 |
49dfba4fd3c5
use pure parser and reentrant lexer interfaces
John W. Eaton <jwe@octave.org>
parents:
16147
diff
changeset
|
4211 octave_parser *curr_parser = new octave_parser (); |
16133
249d62b3fac8
new class for parser state
John W. Eaton <jwe@octave.org>
parents:
16124
diff
changeset
|
4212 frame.add_fcn (octave_parser::cleanup, curr_parser); |
249d62b3fac8
new class for parser state
John W. Eaton <jwe@octave.org>
parents:
16124
diff
changeset
|
4213 |
10067
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
4214 frame.protect_var (get_input_from_eval_string); |
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
4215 frame.protect_var (line_editing); |
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
4216 frame.protect_var (current_eval_string); |
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
4217 frame.protect_var (current_function_depth); |
14544
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
4218 frame.protect_var (function_scopes); |
10067
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
4219 frame.protect_var (max_function_depth); |
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
4220 frame.protect_var (parsing_subfunctions); |
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
4221 frame.protect_var (endfunction_found); |
10130
0c3609dd34cf
oct-parse.yy (eval_string): save and set reading_{script,fcn,classdef}_file vars
John W. Eaton <jwe@octave.org>
parents:
10067
diff
changeset
|
4222 frame.protect_var (reading_fcn_file); |
0c3609dd34cf
oct-parse.yy (eval_string): save and set reading_{script,fcn,classdef}_file vars
John W. Eaton <jwe@octave.org>
parents:
10067
diff
changeset
|
4223 frame.protect_var (reading_script_file); |
0c3609dd34cf
oct-parse.yy (eval_string): save and set reading_{script,fcn,classdef}_file vars
John W. Eaton <jwe@octave.org>
parents:
10067
diff
changeset
|
4224 frame.protect_var (reading_classdef_file); |
3021 | 4225 |
4226 get_input_from_eval_string = true; | |
5189 | 4227 line_editing = false; |
9474
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
4228 current_function_depth = 0; |
14544
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
4229 function_scopes.clear (); |
9474
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
4230 max_function_depth = 0; |
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
4231 parsing_subfunctions = false; |
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
4232 endfunction_found = false; |
10130
0c3609dd34cf
oct-parse.yy (eval_string): save and set reading_{script,fcn,classdef}_file vars
John W. Eaton <jwe@octave.org>
parents:
10067
diff
changeset
|
4233 reading_fcn_file = false; |
0c3609dd34cf
oct-parse.yy (eval_string): save and set reading_{script,fcn,classdef}_file vars
John W. Eaton <jwe@octave.org>
parents:
10067
diff
changeset
|
4234 reading_script_file = false; |
0c3609dd34cf
oct-parse.yy (eval_string): save and set reading_{script,fcn,classdef}_file vars
John W. Eaton <jwe@octave.org>
parents:
10067
diff
changeset
|
4235 reading_classdef_file = false; |
5189 | 4236 |
3021 | 4237 current_eval_string = s; |
4238 | |
3877 | 4239 do |
4240 { | |
16139
2fd39ab12209
move a function and data member from lexical_feedback to octave_parser
John W. Eaton <jwe@octave.org>
parents:
16138
diff
changeset
|
4241 curr_parser->reset (); |
4318 | 4242 |
10067
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
4243 frame.protect_var (global_command); |
7903
8018e10d2b87
save and restore global_command as needed
John W. Eaton <jwe@octave.org>
parents:
7901
diff
changeset
|
4244 |
11258
795c97ace02c
eliminate some possible memory leaks
John W. Eaton <jwe@octave.org>
parents:
11225
diff
changeset
|
4245 global_command = 0; |
795c97ace02c
eliminate some possible memory leaks
John W. Eaton <jwe@octave.org>
parents:
11225
diff
changeset
|
4246 |
9260
9c2349a51218
properly unmark forced variables
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
4247 // Do this with an unwind-protect cleanup function so that the |
9c2349a51218
properly unmark forced variables
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
4248 // forced variables will be unmarked in the event of an |
9c2349a51218
properly unmark forced variables
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
4249 // interrupt. |
9c2349a51218
properly unmark forced variables
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
4250 symbol_table::scope_id scope = symbol_table::top_scope (); |
10067
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
4251 frame.add_fcn (symbol_table::unmark_forced_variables, scope); |
9260
9c2349a51218
properly unmark forced variables
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
4252 |
16138
284e2ca86ef7
execute parser using member function of octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16136
diff
changeset
|
4253 parse_status = curr_parser->run (); |
3877 | 4254 |
8658
73c4516fae10
New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
8471
diff
changeset
|
4255 tree_statement_list *command_list = global_command; |
3877 | 4256 |
9260
9c2349a51218
properly unmark forced variables
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
4257 // Unmark forced variables. |
7903
8018e10d2b87
save and restore global_command as needed
John W. Eaton <jwe@octave.org>
parents:
7901
diff
changeset
|
4258 // Restore previous value of global_command. |
15469
72868cae7624
eliminate some deprecated function warnings
John W. Eaton <jwe@octave.org>
parents:
15467
diff
changeset
|
4259 frame.run (2); |
7903
8018e10d2b87
save and restore global_command as needed
John W. Eaton <jwe@octave.org>
parents:
7901
diff
changeset
|
4260 |
3883 | 4261 if (parse_status == 0) |
3877 | 4262 { |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4263 if (command_list) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4264 { |
13970 | 4265 unwind_protect inner_frame; |
4266 | |
4267 // Use an unwind-protect cleanup function so that the | |
4268 // global_command list will be deleted in the event of an | |
4269 // interrupt. | |
4270 | |
4271 inner_frame.add_fcn (cleanup_statement_list, &command_list); | |
4272 | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4273 tree_statement *stmt = 0; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4274 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4275 if (command_list->length () == 1 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4276 && (stmt = command_list->front ()) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4277 && stmt->is_expression ()) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4278 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4279 tree_expression *expr = stmt->expression (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4280 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4281 if (silent) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4282 expr->set_print_flag (false); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4283 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4284 bool do_bind_ans = false; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4285 |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
4286 if (expr->is_identifier ()) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4287 { |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
4288 tree_identifier *id |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
4289 = dynamic_cast<tree_identifier *> (expr); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4290 |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
4291 do_bind_ans = (! id->is_variable ()); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4292 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4293 else |
57a59eae83cc
untabify src C++ source files
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diff
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|
4294 do_bind_ans = (! expr->is_assignment_expression ()); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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changeset
|
4295 |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
4296 retval = expr->rvalue (nargout); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4297 |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
4298 if (do_bind_ans && ! (error_state || retval.empty ())) |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
4299 bind_ans (retval(0), expr->print_result ()); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4300 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4301 if (nargout == 0) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
4302 retval = octave_value_list (); |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
4303 } |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
4304 else if (nargout == 0) |
57a59eae83cc
untabify src C++ source files
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|
4305 command_list->accept (*current_evaluator); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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changeset
|
4306 else |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
4307 error ("eval: invalid use of statement list"); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4308 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4309 if (error_state |
57a59eae83cc
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diff
changeset
|
4310 || tree_return_command::returning |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
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|
4311 || tree_break_command::breaking |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
4312 || tree_continue_command::continuing) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4313 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10250
diff
changeset
|
4314 } |
16139
2fd39ab12209
move a function and data member from lexical_feedback to octave_parser
John W. Eaton <jwe@octave.org>
parents:
16138
diff
changeset
|
4315 else if (curr_parser->end_of_input) |
10315
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
4316 break; |
3883 | 4317 } |
3877 | 4318 } |
4319 while (parse_status == 0); | |
3021 | 4320 |
4321 return retval; | |
4322 } | |
4323 | |
4324 octave_value | |
3523 | 4325 eval_string (const std::string& s, bool silent, int& parse_status) |
3021 | 4326 { |
4327 octave_value retval; | |
4328 | |
4329 octave_value_list tmp = eval_string (s, silent, parse_status, 1); | |
4330 | |
4331 if (! tmp.empty ()) | |
4332 retval = tmp(0); | |
4333 | |
4334 return retval; | |
4335 } | |
4336 | |
4337 static octave_value_list | |
4338 eval_string (const octave_value& arg, bool silent, int& parse_status, | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4339 int nargout) |
3021 | 4340 { |
3523 | 4341 std::string s = arg.string_value (); |
3021 | 4342 |
4343 if (error_state) | |
4344 { | |
3523 | 4345 error ("eval: expecting std::string argument"); |
4233 | 4346 return octave_value (-1); |
3021 | 4347 } |
4348 | |
4349 return eval_string (s, silent, parse_status, nargout); | |
4350 } | |
4351 | |
13970 | 4352 void |
4353 cleanup_statement_list (tree_statement_list **lst) | |
4354 { | |
4355 if (*lst) | |
4356 { | |
4357 delete *lst; | |
4358 *lst = 0; | |
4359 } | |
4360 } | |
4361 | |
3021 | 4362 DEFUN (eval, args, nargout, |
3371 | 4363 "-*- texinfo -*-\n\ |
14172
cba1c681f1b7
doc: Update seealso references for eval family of functions.
Rik <octave@nomad.inbox5.com>
parents:
14153
diff
changeset
|
4364 @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
|
4365 @deftypefnx {Built-in Function} {} eval (@var{try}, @var{catch})\n\ |
3371 | 4366 Parse the string @var{try} and evaluate it as if it were an Octave\n\ |
6643 | 4367 program. If that fails, evaluate the optional string @var{catch}.\n\ |
4463 | 4368 The string @var{try} is evaluated in the current context,\n\ |
4369 so any results remain available after @code{eval} returns.\n\ | |
6643 | 4370 \n\ |
4371 The following example makes the variable @var{a} with the approximate\n\ | |
4372 value 3.1416 available.\n\ | |
4373 \n\ | |
4374 @example\n\ | |
14360
97883071e8e4
doc: Correct off-by-1 spacings in all .cc docstrings
Rik <octave@nomad.inbox5.com>
parents:
14329
diff
changeset
|
4375 eval (\"a = acos(-1);\");\n\ |
6643 | 4376 @end example\n\ |
4377 \n\ | |
4378 If an error occurs during the evaluation of @var{try} the @var{catch}\n\ | |
8828 | 4379 string is evaluated, as the following example shows:\n\ |
6643 | 4380 \n\ |
4381 @example\n\ | |
11572
7d6d8c1e471f
Grammarcheck Texinfo for files in src directory.
Rik <octave@nomad.inbox5.com>
parents:
11523
diff
changeset
|
4382 @group\n\ |
6643 | 4383 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
|
4384 'printf (\"This error occurred:\\n%s\\n\", lasterr ());');\n\ |
7001 | 4385 @print{} This error occurred:\n\ |
8015
30629059b72d
Update the manual to reflect the changes in error output
sh@sh-laptop
parents:
8007
diff
changeset
|
4386 This is a bad example\n\ |
11572
7d6d8c1e471f
Grammarcheck Texinfo for files in src directory.
Rik <octave@nomad.inbox5.com>
parents:
11523
diff
changeset
|
4387 @end group\n\ |
6643 | 4388 @end example\n\ |
14172
cba1c681f1b7
doc: Update seealso references for eval family of functions.
Rik <octave@nomad.inbox5.com>
parents:
14153
diff
changeset
|
4389 \n\ |
cba1c681f1b7
doc: Update seealso references for eval family of functions.
Rik <octave@nomad.inbox5.com>
parents:
14153
diff
changeset
|
4390 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
|
4391 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
|
4392 code strings.\n\ |
cba1c681f1b7
doc: Update seealso references for eval family of functions.
Rik <octave@nomad.inbox5.com>
parents:
14153
diff
changeset
|
4393 @seealso{evalin}\n\ |
3371 | 4394 @end deftypefn") |
3021 | 4395 { |
4396 octave_value_list retval; | |
4397 | |
4398 int nargin = args.length (); | |
4399 | |
4400 if (nargin > 0) | |
4401 { | |
10067
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
4402 unwind_protect frame; |
3021 | 4403 |
4404 if (nargin > 1) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4405 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4406 frame.protect_var (buffer_error_messages); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4407 buffer_error_messages++; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4408 } |
3021 | 4409 |
4410 int parse_status = 0; | |
4411 | |
4463 | 4412 octave_value_list tmp = eval_string (args(0), nargout > 0, |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
4413 parse_status, nargout); |
4463 | 4414 |
3021 | 4415 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
|
4416 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4417 error_state = 0; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4418 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4419 // Set up for letting the user print any messages from |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
4420 // errors that occurred in the first part of this eval(). |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4421 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4422 buffer_error_messages--; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4423 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4424 tmp = eval_string (args(1), nargout > 0, parse_status, nargout); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
4425 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10250
diff
changeset
|
4426 if (nargout > 0) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4427 retval = tmp; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4428 } |
8033
2ad5ba320b93
parse.y (Feval): Return value produced by evaluating CATCH string
John W. Eaton <jwe@octave.org>
parents:
8021
diff
changeset
|
4429 else if (nargout > 0) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
4430 retval = tmp; |
3021 | 4431 } |
4432 else | |
5823 | 4433 print_usage (); |
3021 | 4434 |
4435 return retval; | |
4436 } | |
4437 | |
7562
c827f5673321
move tests to individual source files
John W. Eaton <jwe@octave.org>
parents:
7351
diff
changeset
|
4438 /* |
c827f5673321
move tests to individual source files
John W. Eaton <jwe@octave.org>
parents:
7351
diff
changeset
|
4439 |
14084
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
13970
diff
changeset
|
4440 %!shared x |
7562
c827f5673321
move tests to individual source files
John W. Eaton <jwe@octave.org>
parents:
7351
diff
changeset
|
4441 %! x = 1; |
14084
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
13970
diff
changeset
|
4442 |
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
13970
diff
changeset
|
4443 %!assert (eval ("x"), 1) |
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
13970
diff
changeset
|
4444 %!assert (eval ("x;")) |
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
13970
diff
changeset
|
4445 %!assert (eval ("x;"), 1); |
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
13970
diff
changeset
|
4446 |
7562
c827f5673321
move tests to individual source files
John W. Eaton <jwe@octave.org>
parents:
7351
diff
changeset
|
4447 %!test |
14084
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
13970
diff
changeset
|
4448 %! y = eval ("x"); |
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
13970
diff
changeset
|
4449 %! assert (y, 1); |
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
13970
diff
changeset
|
4450 |
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
13970
diff
changeset
|
4451 %!test |
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
13970
diff
changeset
|
4452 %! y = eval ("x;"); |
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
13970
diff
changeset
|
4453 %! assert (y, 1); |
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
13970
diff
changeset
|
4454 |
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
13970
diff
changeset
|
4455 %!test |
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
13970
diff
changeset
|
4456 %! eval ("x = 1;") |
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
13970
diff
changeset
|
4457 %! assert (x,1); |
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
13970
diff
changeset
|
4458 |
7562
c827f5673321
move tests to individual source files
John W. Eaton <jwe@octave.org>
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7351
diff
changeset
|
4459 %!test |
c827f5673321
move tests to individual source files
John W. Eaton <jwe@octave.org>
parents:
7351
diff
changeset
|
4460 %! eval ("flipud = 2;"); |
14084
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
13970
diff
changeset
|
4461 %! assert (flipud, 2); |
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
13970
diff
changeset
|
4462 |
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
13970
diff
changeset
|
4463 %!function y = __f () |
7562
c827f5673321
move tests to individual source files
John W. Eaton <jwe@octave.org>
parents:
7351
diff
changeset
|
4464 %! eval ("flipud = 2;"); |
c827f5673321
move tests to individual source files
John W. Eaton <jwe@octave.org>
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7351
diff
changeset
|
4465 %! y = flipud; |
14084
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
13970
diff
changeset
|
4466 %!endfunction |
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
13970
diff
changeset
|
4467 %!assert (__f(), 2) |
7562
c827f5673321
move tests to individual source files
John W. Eaton <jwe@octave.org>
parents:
7351
diff
changeset
|
4468 |
14533
e6aa044253eb
Allow comma at the end of an assignment list (bug #35645)
Max Brister <max@2bass.com>
parents:
14512
diff
changeset
|
4469 % bug #35645 |
e6aa044253eb
Allow comma at the end of an assignment list (bug #35645)
Max Brister <max@2bass.com>
parents:
14512
diff
changeset
|
4470 %!test |
e6aa044253eb
Allow comma at the end of an assignment list (bug #35645)
Max Brister <max@2bass.com>
parents:
14512
diff
changeset
|
4471 %! [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
|
4472 %! [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
|
4473 |
7562
c827f5673321
move tests to individual source files
John W. Eaton <jwe@octave.org>
parents:
7351
diff
changeset
|
4474 */ |
c827f5673321
move tests to individual source files
John W. Eaton <jwe@octave.org>
parents:
7351
diff
changeset
|
4475 |
4661 | 4476 DEFUN (assignin, args, , |
4297 | 4477 "-*- texinfo -*-\n\ |
4478 @deftypefn {Built-in Function} {} assignin (@var{context}, @var{varname}, @var{value})\n\ | |
4479 Assign @var{value} to @var{varname} in context @var{context}, which\n\ | |
4480 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>
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14153
diff
changeset
|
4481 @seealso{evalin}\n\ |
4297 | 4482 @end deftypefn") |
4483 { | |
4484 octave_value_list retval; | |
4485 | |
4486 int nargin = args.length (); | |
4487 | |
4488 if (nargin == 3) | |
4489 { | |
4490 std::string context = args(0).string_value (); | |
4491 | |
4492 if (! error_state) | |
4493 { | |
10315
57a59eae83cc
untabify src C++ source files
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diff
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|
4494 unwind_protect frame; |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
4495 |
57a59eae83cc
untabify src C++ source files
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changeset
|
4496 if (context == "caller") |
57a59eae83cc
untabify src C++ source files
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|
4497 octave_call_stack::goto_caller_frame (); |
57a59eae83cc
untabify src C++ source files
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|
4498 else if (context == "base") |
57a59eae83cc
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|
4499 octave_call_stack::goto_base_frame (); |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
4500 else |
12483
7a5aacf65f81
Rewrite error strings in src/ to use variables named in documentation.
Rik <octave@nomad.inbox5.com>
parents:
12400
diff
changeset
|
4501 error ("assignin: CONTEXT must be \"caller\" or \"base\""); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
4502 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
4503 if (! error_state) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4504 { |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
4505 frame.add_fcn (octave_call_stack::pop); |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
4506 |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
4507 std::string nm = args(1).string_value (); |
57a59eae83cc
untabify src C++ source files
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diff
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|
4508 |
57a59eae83cc
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diff
changeset
|
4509 if (! error_state) |
57a59eae83cc
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
4510 { |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
4511 if (valid_identifier (nm)) |
57a59eae83cc
untabify src C++ source files
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|
4512 symbol_table::varref (nm) = args(2); |
57a59eae83cc
untabify src C++ source files
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|
4513 else |
12483
7a5aacf65f81
Rewrite error strings in src/ to use variables named in documentation.
Rik <octave@nomad.inbox5.com>
parents:
12400
diff
changeset
|
4514 error ("assignin: invalid variable name in argument VARNAME"); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4515 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4516 else |
12483
7a5aacf65f81
Rewrite error strings in src/ to use variables named in documentation.
Rik <octave@nomad.inbox5.com>
parents:
12400
diff
changeset
|
4517 error ("assignin: VARNAME must be a string"); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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|
4518 } |
57a59eae83cc
untabify src C++ source files
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|
4519 } |
4297 | 4520 else |
12483
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Rewrite error strings in src/ to use variables named in documentation.
Rik <octave@nomad.inbox5.com>
parents:
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diff
changeset
|
4521 error ("assignin: CONTEXT must be a string"); |
4297 | 4522 } |
4523 else | |
5823 | 4524 print_usage (); |
4297 | 4525 |
4526 return retval; | |
4527 } | |
4528 | |
4245 | 4529 DEFUN (evalin, args, nargout, |
4530 "-*- texinfo -*-\n\ | |
14172
cba1c681f1b7
doc: Update seealso references for eval family of functions.
Rik <octave@nomad.inbox5.com>
parents:
14153
diff
changeset
|
4531 @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:
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diff
changeset
|
4532 @deftypefnx {Built-in Function} {} evalin (@var{context}, @var{try}, @var{catch})\n\ |
4245 | 4533 Like @code{eval}, except that the expressions are evaluated in the\n\ |
4534 context @var{context}, which may be either @code{\"caller\"} or\n\ | |
4246 | 4535 @code{\"base\"}.\n\ |
14172
cba1c681f1b7
doc: Update seealso references for eval family of functions.
Rik <octave@nomad.inbox5.com>
parents:
14153
diff
changeset
|
4536 @seealso{eval, assignin}\n\ |
4245 | 4537 @end deftypefn") |
4538 { | |
4539 octave_value_list retval; | |
4540 | |
4541 int nargin = args.length (); | |
4542 | |
4543 if (nargin > 1) | |
4544 { | |
4545 std::string context = args(0).string_value (); | |
4546 | |
4547 if (! error_state) | |
4548 { | |
10315
57a59eae83cc
untabify src C++ source files
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parents:
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diff
changeset
|
4549 unwind_protect frame; |
57a59eae83cc
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parents:
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diff
changeset
|
4550 |
57a59eae83cc
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diff
changeset
|
4551 if (context == "caller") |
57a59eae83cc
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changeset
|
4552 octave_call_stack::goto_caller_frame (); |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
4553 else if (context == "base") |
57a59eae83cc
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diff
changeset
|
4554 octave_call_stack::goto_base_frame (); |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
4555 else |
12483
7a5aacf65f81
Rewrite error strings in src/ to use variables named in documentation.
Rik <octave@nomad.inbox5.com>
parents:
12400
diff
changeset
|
4556 error ("evalin: CONTEXT must be \"caller\" or \"base\""); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
4557 |
57a59eae83cc
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John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
4558 if (! error_state) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
4559 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4560 frame.add_fcn (octave_call_stack::pop); |
57a59eae83cc
untabify src C++ source files
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parents:
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diff
changeset
|
4561 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
4562 if (nargin > 2) |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
4563 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
4564 frame.protect_var (buffer_error_messages); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4565 buffer_error_messages++; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4566 } |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
4567 |
57a59eae83cc
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diff
changeset
|
4568 int parse_status = 0; |
57a59eae83cc
untabify src C++ source files
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changeset
|
4569 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4570 octave_value_list tmp = eval_string (args(1), nargout > 0, |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
4571 parse_status, nargout); |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
4572 |
57a59eae83cc
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diff
changeset
|
4573 if (nargout > 0) |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
4574 retval = tmp; |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
4575 |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
4576 if (nargin > 2 && (parse_status != 0 || error_state)) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4577 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4578 error_state = 0; |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
4579 |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
4580 // Set up for letting the user print any messages from |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
4581 // errors that occurred in the first part of this eval(). |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
4582 |
57a59eae83cc
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diff
changeset
|
4583 buffer_error_messages--; |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
4584 |
57a59eae83cc
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diff
changeset
|
4585 tmp = eval_string (args(2), nargout > 0, |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
4586 parse_status, nargout); |
57a59eae83cc
untabify src C++ source files
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changeset
|
4587 |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
4588 retval = (nargout > 0) ? tmp : octave_value_list (); |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
4589 } |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
4590 } |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
4591 } |
4245 | 4592 else |
12483
7a5aacf65f81
Rewrite error strings in src/ to use variables named in documentation.
Rik <octave@nomad.inbox5.com>
parents:
12400
diff
changeset
|
4593 error ("evalin: CONTEXT must be a string"); |
4245 | 4594 } |
4595 else | |
5823 | 4596 print_usage (); |
4245 | 4597 |
4598 return retval; | |
4599 } | |
4600 | |
8311
7124bffc89c7
parse.y (F__parser_debug_flag__): New function.
John W. Eaton <jwe@octave.org>
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8283
diff
changeset
|
4601 DEFUN (__parser_debug_flag__, args, nargout, |
8812
7d48766c21a5
use consistent format for doc strings of internal functions
John W. Eaton <jwe@octave.org>
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8746
diff
changeset
|
4602 "-*- texinfo -*-\n\ |
7d48766c21a5
use consistent format for doc strings of internal functions
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4603 @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>
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diff
changeset
|
4604 Undocumented internal function.\n\ |
7d48766c21a5
use consistent format for doc strings of internal functions
John W. Eaton <jwe@octave.org>
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8746
diff
changeset
|
4605 @end deftypefn") |
8311
7124bffc89c7
parse.y (F__parser_debug_flag__): New function.
John W. Eaton <jwe@octave.org>
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8283
diff
changeset
|
4606 { |
7124bffc89c7
parse.y (F__parser_debug_flag__): New function.
John W. Eaton <jwe@octave.org>
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8283
diff
changeset
|
4607 octave_value retval; |
7124bffc89c7
parse.y (F__parser_debug_flag__): New function.
John W. Eaton <jwe@octave.org>
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8283
diff
changeset
|
4608 |
7124bffc89c7
parse.y (F__parser_debug_flag__): New function.
John W. Eaton <jwe@octave.org>
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8283
diff
changeset
|
4609 bool debug_flag = octave_debug; |
7124bffc89c7
parse.y (F__parser_debug_flag__): New function.
John W. Eaton <jwe@octave.org>
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8283
diff
changeset
|
4610 |
7124bffc89c7
parse.y (F__parser_debug_flag__): New function.
John W. Eaton <jwe@octave.org>
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8283
diff
changeset
|
4611 retval = set_internal_variable (debug_flag, args, nargout, |
10315
57a59eae83cc
untabify src C++ source files
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changeset
|
4612 "__parser_debug_flag__"); |
8311
7124bffc89c7
parse.y (F__parser_debug_flag__): New function.
John W. Eaton <jwe@octave.org>
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8283
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changeset
|
4613 |
7124bffc89c7
parse.y (F__parser_debug_flag__): New function.
John W. Eaton <jwe@octave.org>
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8283
diff
changeset
|
4614 octave_debug = debug_flag; |
7124bffc89c7
parse.y (F__parser_debug_flag__): New function.
John W. Eaton <jwe@octave.org>
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8283
diff
changeset
|
4615 |
7124bffc89c7
parse.y (F__parser_debug_flag__): New function.
John W. Eaton <jwe@octave.org>
parents:
8283
diff
changeset
|
4616 return retval; |
7124bffc89c7
parse.y (F__parser_debug_flag__): New function.
John W. Eaton <jwe@octave.org>
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8283
diff
changeset
|
4617 } |