Mercurial > octave-antonio
annotate libinterp/parse-tree/oct-parse.in.yy @ 16289:bde729ba8381 classdef
maint: periodic merge of default to classdef
author | John W. Eaton <jwe@octave.org> |
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date | Tue, 12 Mar 2013 00:46:47 -0400 |
parents | f58257a6d18c fe3b9a51e625 |
children | 2ed5bc680c71 |
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" |
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65 #include "ov-classdef.h" |
4935 | 66 #include "ov-fcn-handle.h" |
2970 | 67 #include "ov-usr-fcn.h" |
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68 #include "ov-null-mat.h" |
1670 | 69 #include "toplev.h" |
1351 | 70 #include "pager.h" |
71 #include "parse.h" | |
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72 #include "parse-private.h" |
2987 | 73 #include "pt-all.h" |
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74 #include "pt-eval.h" |
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75 #include "pt-funcall.h" |
1351 | 76 #include "symtab.h" |
77 #include "token.h" | |
3021 | 78 #include "unwind-prot.h" |
1 | 79 #include "utils.h" |
1351 | 80 #include "variables.h" |
1 | 81 |
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82 // oct-parse.h must be included after pt-all.h |
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83 #include <oct-parse.h> |
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84 |
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85 extern int octave_lex (YYSTYPE *, void *); |
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86 |
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87 // Global access to currently active lexer. |
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88 // FIXME -- to be removed after more parser+lexer refactoring. |
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89 octave_lexer *LEXER = 0; |
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90 |
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91 #if defined (GNULIB_NAMESPACE) |
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92 // Calls to the following functions appear in the generated output from |
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93 // Bison without the namespace tag. Redefine them so we will use them |
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94 // via the gnulib namespace. |
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95 #define fclose GNULIB_NAMESPACE::fclose |
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96 #define fprintf GNULIB_NAMESPACE::fprintf |
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97 #define malloc GNULIB_NAMESPACE::malloc |
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98 #endif |
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99 |
3021 | 100 // TRUE means we printed messages about reading startup files. |
101 bool reading_startup_message_printed = false; | |
102 | |
3903 | 103 // Keep track of symbol table information when parsing functions. |
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104 symtab_context parser_symtab_context; |
4238 | 105 |
5484 | 106 // List of autoloads (function -> file mapping). |
107 static std::map<std::string, std::string> autoload_map; | |
108 | |
496 | 109 // Forward declarations for some functions defined at the bottom of |
110 // the file. | |
111 | |
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112 static void yyerror (octave_base_parser& parser, const char *s); |
1 | 113 |
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114 // Finish building a statement. |
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115 template <class T> |
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116 static tree_statement * |
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117 make_statement (T *arg) |
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118 { |
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119 octave_comment_list *comment = octave_comment_buffer::get_comment (); |
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120 |
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121 return new tree_statement (arg, comment); |
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122 } |
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123 |
1 | 124 #define ABORT_PARSE \ |
125 do \ | |
126 { \ | |
127 yyerrok; \ | |
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128 if (! parser_symtab_context.empty ()) \ |
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129 parser_symtab_context.pop (); \ |
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130 if ((interactive || forced_interactive) \ |
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131 && ! lexer.input_from_eval_string ()) \ |
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132 YYACCEPT; \ |
1 | 133 else \ |
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134 YYABORT; \ |
1 | 135 } \ |
136 while (0) | |
137 | |
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138 #define lexer parser.lexer |
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139 #define scanner lexer.scanner |
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140 |
1 | 141 %} |
142 | |
666 | 143 // Bison declarations. |
144 | |
4813 | 145 // Don't add spaces around the = here; it causes some versions of |
146 // bison to fail to properly recognize the directive. | |
147 | |
148 %name-prefix="octave_" | |
4753 | 149 |
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150 // We are using the pure parser interface and the reentrant lexer |
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151 // interface but the Octave parser and lexer are NOT properly |
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152 // reentrant because both still use many global variables. It should be |
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153 // safe to create a parser object and call it while anotehr parser |
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154 // object is active (to parse a callback function while the main |
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155 // interactive parser is waiting for input, for example) if you take |
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156 // care to properly save and restore (typically with an unwind_protect |
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157 // object) relevant global values before and after the nested call. |
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158 |
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159 %define api.pure |
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160 %PUSH_PULL_DECL% |
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161 %parse-param { octave_base_parser& parser } |
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162 %lex-param { void *scanner } |
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163 |
1 | 164 %union |
165 { | |
2891 | 166 // The type of the basic tokens returned by the lexer. |
143 | 167 token *tok_val; |
168 | |
3665 | 169 // Comment strings that we need to deal with mid-rule. |
170 octave_comment_list *comment_type; | |
171 | |
2891 | 172 // Types for the nonterminals we generate. |
2525 | 173 char sep_type; |
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174 token *tok_type; |
1 | 175 tree *tree_type; |
1829 | 176 tree_matrix *tree_matrix_type; |
3351 | 177 tree_cell *tree_cell_type; |
496 | 178 tree_expression *tree_expression_type; |
2375 | 179 tree_constant *tree_constant_type; |
4342 | 180 tree_fcn_handle *tree_fcn_handle_type; |
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181 tree_funcall *tree_funcall_type; |
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182 tree_function_def *tree_function_def_type; |
5861 | 183 tree_anon_fcn_handle *tree_anon_fcn_handle_type; |
1 | 184 tree_identifier *tree_identifier_type; |
185 tree_index_expression *tree_index_expression_type; | |
186 tree_colon_expression *tree_colon_expression_type; | |
187 tree_argument_list *tree_argument_list_type; | |
188 tree_parameter_list *tree_parameter_list_type; | |
189 tree_command *tree_command_type; | |
190 tree_if_command *tree_if_command_type; | |
578 | 191 tree_if_clause *tree_if_clause_type; |
192 tree_if_command_list *tree_if_command_list_type; | |
2764 | 193 tree_switch_command *tree_switch_command_type; |
194 tree_switch_case *tree_switch_case_type; | |
195 tree_switch_case_list *tree_switch_case_list_type; | |
2846 | 196 tree_decl_elt *tree_decl_elt_type; |
197 tree_decl_init_list *tree_decl_init_list_type; | |
198 tree_decl_command *tree_decl_command_type; | |
578 | 199 tree_statement *tree_statement_type; |
200 tree_statement_list *tree_statement_list_type; | |
2891 | 201 octave_user_function *octave_user_function_type; |
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202 |
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203 tree_classdef *tree_classdef_type; |
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204 tree_classdef_attribute* tree_classdef_attribute_type; |
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205 tree_classdef_attribute_list* tree_classdef_attribute_list_type; |
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206 tree_classdef_superclass* tree_classdef_superclass_type; |
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207 tree_classdef_superclass_list* tree_classdef_superclass_list_type; |
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208 tree_classdef_body* tree_classdef_body_type; |
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209 tree_classdef_property* tree_classdef_property_type; |
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210 tree_classdef_property_list* tree_classdef_property_list_type; |
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211 tree_classdef_properties_block* tree_classdef_properties_block_type; |
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212 tree_classdef_methods_list* tree_classdef_methods_list_type; |
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213 tree_classdef_methods_block* tree_classdef_methods_block_type; |
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214 tree_classdef_event* tree_classdef_event_type; |
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215 tree_classdef_events_list* tree_classdef_events_list_type; |
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216 tree_classdef_events_block* tree_classdef_events_block_type; |
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217 tree_classdef_enum* tree_classdef_enum_type; |
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218 tree_classdef_enum_list* tree_classdef_enum_list_type; |
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219 tree_classdef_enum_block* tree_classdef_enum_block_type; |
1 | 220 } |
221 | |
143 | 222 // Tokens with line and column information. |
223 %token <tok_val> '=' ':' '-' '+' '*' '/' | |
4018 | 224 %token <tok_val> ADD_EQ SUB_EQ MUL_EQ DIV_EQ LEFTDIV_EQ POW_EQ |
225 %token <tok_val> EMUL_EQ EDIV_EQ ELEFTDIV_EQ EPOW_EQ AND_EQ OR_EQ | |
2899 | 226 %token <tok_val> LSHIFT_EQ RSHIFT_EQ LSHIFT RSHIFT |
428 | 227 %token <tok_val> EXPR_AND_AND EXPR_OR_OR |
143 | 228 %token <tok_val> EXPR_AND EXPR_OR EXPR_NOT |
229 %token <tok_val> EXPR_LT EXPR_LE EXPR_EQ EXPR_NE EXPR_GE EXPR_GT | |
1276 | 230 %token <tok_val> LEFTDIV EMUL EDIV ELEFTDIV EPLUS EMINUS |
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231 %token <tok_val> HERMITIAN TRANSPOSE |
143 | 232 %token <tok_val> PLUS_PLUS MINUS_MINUS POW EPOW |
233 %token <tok_val> NUM IMAG_NUM | |
2970 | 234 %token <tok_val> STRUCT_ELT |
2883 | 235 %token <tok_val> NAME |
143 | 236 %token <tok_val> END |
5279 | 237 %token <tok_val> DQ_STRING SQ_STRING |
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238 %token <tok_val> FOR PARFOR WHILE DO UNTIL |
1491 | 239 %token <tok_val> IF ELSEIF ELSE |
2764 | 240 %token <tok_val> SWITCH CASE OTHERWISE |
1491 | 241 %token <tok_val> BREAK CONTINUE FUNC_RET |
924 | 242 %token <tok_val> UNWIND CLEANUP |
1489 | 243 %token <tok_val> TRY CATCH |
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244 %token <tok_val> GLOBAL PERSISTENT |
4342 | 245 %token <tok_val> FCN_HANDLE |
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246 %token <tok_val> CLASSDEF |
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247 %token <tok_val> PROPERTIES METHODS EVENTS ENUMERATION |
9476 | 248 %token <tok_val> METAQUERY |
249 %token <tok_val> SUPERCLASSREF | |
250 %token <tok_val> GET SET | |
1 | 251 |
143 | 252 // Other tokens. |
2970 | 253 %token END_OF_INPUT LEXICAL_ERROR |
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254 %token FCN INPUT_FILE |
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255 // %token VARARGIN VARARGOUT |
1 | 256 |
143 | 257 // Nonterminals we construct. |
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258 %type <comment_type> stash_comment function_beg |
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259 %type <tok_type> classdef_beg |
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260 %type <sep_type> sep_no_nl opt_sep_no_nl nl opt_nl sep opt_sep |
578 | 261 %type <tree_type> input |
5861 | 262 %type <tree_constant_type> string constant magic_colon |
263 %type <tree_anon_fcn_handle_type> anon_fcn_handle | |
4342 | 264 %type <tree_fcn_handle_type> fcn_handle |
3351 | 265 %type <tree_matrix_type> matrix_rows matrix_rows1 |
266 %type <tree_cell_type> cell_rows cell_rows1 | |
5102 | 267 %type <tree_expression_type> matrix cell |
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268 %type <tree_expression_type> primary_expr oper_expr |
4207 | 269 %type <tree_expression_type> simple_expr colon_expr assign_expr expression |
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270 %type <tree_identifier_type> identifier fcn_name magic_tilde |
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271 %type <tree_funcall_type> superclass_identifier meta_identifier |
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272 %type <octave_user_function_type> function1 function2 |
2970 | 273 %type <tree_index_expression_type> word_list_cmd |
274 %type <tree_colon_expression_type> colon_expr1 | |
3351 | 275 %type <tree_argument_list_type> arg_list word_list assign_lhs |
276 %type <tree_argument_list_type> cell_or_matrix_row | |
4935 | 277 %type <tree_parameter_list_type> param_list param_list1 param_list2 |
723 | 278 %type <tree_parameter_list_type> return_list return_list1 |
2970 | 279 %type <tree_command_type> command select_command loop_command |
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280 %type <tree_command_type> jump_command except_command |
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281 %type <tree_function_def_type> function |
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282 %type <tree_classdef_type> classdef |
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283 %type <tree_command_type> file |
578 | 284 %type <tree_if_command_type> if_command |
285 %type <tree_if_clause_type> elseif_clause else_clause | |
286 %type <tree_if_command_list_type> if_cmd_list1 if_cmd_list | |
2764 | 287 %type <tree_switch_command_type> switch_command |
288 %type <tree_switch_case_type> switch_case default_case | |
289 %type <tree_switch_case_list_type> case_list1 case_list | |
2846 | 290 %type <tree_decl_elt_type> decl2 |
291 %type <tree_decl_init_list_type> decl1 | |
292 %type <tree_decl_command_type> declaration | |
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293 %type <tree_statement_type> statement function_end |
627 | 294 %type <tree_statement_list_type> simple_list simple_list1 list list1 |
7336 | 295 %type <tree_statement_list_type> opt_list input1 |
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296 |
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297 %type <tree_classdef_attribute_type> attr |
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298 %type <tree_classdef_attribute_list_type> attr_list opt_attr_list |
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299 %type <tree_classdef_superclass_type> superclass |
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300 %type <tree_classdef_superclass_list_type> superclass_list opt_superclass_list |
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301 %type <tree_classdef_body_type> class_body |
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302 %type <tree_classdef_property_type> class_property |
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303 %type <tree_classdef_property_list_type> property_list |
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304 %type <tree_classdef_properties_block_type> properties_block |
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305 %type <tree_classdef_methods_list_type> methods_list |
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306 %type <tree_classdef_methods_block_type> methods_block |
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307 %type <tree_classdef_event_type> class_event |
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308 %type <tree_classdef_events_list_type> events_list |
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309 %type <tree_classdef_events_block_type> events_block |
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310 %type <tree_classdef_enum_type> class_enum |
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311 %type <tree_classdef_enum_list_type> enum_list |
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312 %type <tree_classdef_enum_block_type> enum_block |
1 | 313 |
143 | 314 // Precedence and associativity. |
4018 | 315 %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 | 316 %left EXPR_OR_OR |
317 %left EXPR_AND_AND | |
318 %left EXPR_OR | |
319 %left EXPR_AND | |
1 | 320 %left EXPR_LT EXPR_LE EXPR_EQ EXPR_NE EXPR_GE EXPR_GT |
2899 | 321 %left LSHIFT RSHIFT |
1 | 322 %left ':' |
1276 | 323 %left '-' '+' EPLUS EMINUS |
1 | 324 %left '*' '/' LEFTDIV EMUL EDIV ELEFTDIV |
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325 %right UNARY EXPR_NOT |
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326 %left POW EPOW HERMITIAN TRANSPOSE |
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327 %right PLUS_PLUS MINUS_MINUS |
3351 | 328 %left '(' '.' '{' |
1 | 329 |
143 | 330 // Where to start. |
1 | 331 %start input |
332 | |
333 %% | |
334 | |
2970 | 335 // ============================== |
336 // Statements and statement lists | |
337 // ============================== | |
338 | |
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339 input : input1 |
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340 { |
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341 parser.stmt_list = $1; |
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342 YYACCEPT; |
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343 } |
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344 | simple_list parse_error |
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345 { ABORT_PARSE; } |
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346 | parse_error |
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347 { ABORT_PARSE; } |
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348 ; |
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349 |
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350 input1 : '\n' |
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351 { $$ = 0; } |
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352 | END_OF_INPUT |
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353 { |
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354 lexer.end_of_input = true; |
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355 $$ = 0; |
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356 } |
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357 | simple_list |
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358 { $$ = $1; } |
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359 | simple_list '\n' |
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360 { $$ = $1; } |
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361 | simple_list END_OF_INPUT |
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362 { $$ = $1; } |
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363 ; |
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364 |
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365 simple_list : simple_list1 opt_sep_no_nl |
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366 { $$ = parser.set_stmt_print_flag ($1, $2, false); } |
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367 ; |
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368 |
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369 simple_list1 : statement |
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370 { $$ = parser.make_statement_list ($1); } |
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371 | simple_list1 sep_no_nl statement |
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372 { $$ = parser.append_statement_list ($1, $2, $3, false); } |
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373 ; |
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374 |
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375 opt_list : // empty |
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376 { $$ = new tree_statement_list (); } |
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377 | list |
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378 { $$ = $1; } |
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379 ; |
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380 |
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381 list : list1 opt_sep |
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382 { $$ = parser.set_stmt_print_flag ($1, $2, true); } |
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383 ; |
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384 |
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385 list1 : statement |
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386 { $$ = parser.make_statement_list ($1); } |
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387 | list1 sep statement |
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388 { $$ = parser.append_statement_list ($1, $2, $3, true); } |
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389 ; |
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390 |
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391 statement : expression |
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392 { $$ = make_statement ($1); } |
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393 | command |
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394 { $$ = make_statement ($1); } |
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395 | word_list_cmd |
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396 { $$ = make_statement ($1); } |
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397 ; |
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398 |
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399 // ================= |
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400 // Word-list command |
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401 // ================= |
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402 |
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403 // These are not really like expressions since they can't appear on |
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404 // the RHS of an assignment. But they are also not like commands (IF, |
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405 // WHILE, etc. |
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406 |
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407 word_list_cmd : identifier word_list |
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408 { $$ = parser.make_index_expression ($1, $2, '('); } |
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409 ; |
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410 |
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411 word_list : string |
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412 { $$ = new tree_argument_list ($1); } |
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413 | word_list string |
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414 { |
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415 $1->append ($2); |
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416 $$ = $1; |
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417 } |
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418 ; |
1 | 419 |
2970 | 420 // =========== |
421 // Expressions | |
422 // =========== | |
423 | |
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424 identifier : NAME |
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425 { |
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426 symbol_table::symbol_record *sr = $1->sym_rec (); |
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427 $$ = new tree_identifier (*sr, $1->line (), $1->column ()); |
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428 } |
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429 ; |
2970 | 430 |
9476 | 431 superclass_identifier |
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432 : SUPERCLASSREF |
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433 { |
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434 std::string method_nm = $1->superclass_method_name (); |
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435 std::string package_nm = $1->superclass_package_name (); |
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436 std::string class_nm = $1->superclass_class_name (); |
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437 |
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438 $$ = parser.make_superclass_ref |
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439 (method_nm, package_nm, class_nm, |
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440 $1->line (), $1->column ()); |
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441 } |
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442 ; |
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443 |
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444 meta_identifier : METAQUERY |
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445 { |
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446 std::string package_nm = $1->meta_package_name (); |
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447 std::string class_nm = $1->meta_class_name (); |
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448 |
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449 $$ = parser.make_meta_class_query |
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450 (package_nm, class_nm, |
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451 $1->line (), $1->column ()); |
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452 } |
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453 ; |
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454 |
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455 string : DQ_STRING |
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456 { $$ = parser.make_constant (DQ_STRING, $1); } |
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457 | SQ_STRING |
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458 { $$ = parser.make_constant (SQ_STRING, $1); } |
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459 ; |
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460 |
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461 constant : NUM |
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462 { $$ = parser.make_constant (NUM, $1); } |
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463 | IMAG_NUM |
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464 { $$ = parser.make_constant (IMAG_NUM, $1); } |
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465 | string |
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466 { $$ = $1; } |
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467 ; |
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468 |
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469 matrix : '[' ']' |
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470 { $$ = new tree_constant (octave_null_matrix::instance); } |
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471 | '[' ';' ']' |
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472 { $$ = new tree_constant (octave_null_matrix::instance); } |
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473 | '[' ',' ']' |
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474 { $$ = new tree_constant (octave_null_matrix::instance); } |
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475 | '[' matrix_rows ']' |
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476 { $$ = parser.finish_matrix ($2); } |
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477 ; |
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478 |
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479 matrix_rows : matrix_rows1 |
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480 { $$ = $1; } |
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481 | matrix_rows1 ';' // Ignore trailing semicolon. |
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482 { $$ = $1; } |
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483 ; |
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484 |
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485 matrix_rows1 : cell_or_matrix_row |
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486 { $$ = new tree_matrix ($1); } |
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487 | matrix_rows1 ';' cell_or_matrix_row |
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488 { |
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489 $1->append ($3); |
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490 $$ = $1; |
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491 } |
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492 ; |
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493 |
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494 cell : '{' '}' |
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495 { $$ = new tree_constant (octave_value (Cell ())); } |
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496 | '{' ';' '}' |
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497 { $$ = new tree_constant (octave_value (Cell ())); } |
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498 | '{' cell_rows '}' |
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499 { $$ = parser.finish_cell ($2); } |
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500 ; |
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501 |
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502 cell_rows : cell_rows1 |
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503 { $$ = $1; } |
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504 | cell_rows1 ';' // Ignore trailing semicolon. |
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505 { $$ = $1; } |
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506 ; |
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507 |
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508 cell_rows1 : cell_or_matrix_row |
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509 { $$ = new tree_cell ($1); } |
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510 | cell_rows1 ';' cell_or_matrix_row |
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511 { |
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512 $1->append ($3); |
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513 $$ = $1; |
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514 } |
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515 ; |
3351 | 516 |
517 cell_or_matrix_row | |
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518 : arg_list |
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519 { $$ = $1; } |
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520 | arg_list ',' // Ignore trailing comma. |
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521 { $$ = $1; } |
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522 ; |
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523 |
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524 fcn_handle : '@' FCN_HANDLE |
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525 { |
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526 $$ = parser.make_fcn_handle ($2); |
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527 lexer.looking_at_function_handle--; |
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528 } |
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529 ; |
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530 |
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531 anon_fcn_handle : '@' param_list statement |
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532 { |
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533 $$ = parser.make_anon_fcn_handle ($2, $3); |
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534 lexer.nesting_level.remove (); |
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535 } |
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536 ; |
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537 |
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538 primary_expr : identifier |
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539 { $$ = $1; } |
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540 | constant |
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541 { $$ = $1; } |
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542 | fcn_handle |
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543 { $$ = $1; } |
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544 | matrix |
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545 { |
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546 lexer.looking_at_matrix_or_assign_lhs = false; |
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547 $$ = $1; |
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548 } |
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549 | cell |
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550 { $$ = $1; } |
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551 | meta_identifier |
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552 { $$ = $1; } |
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553 | superclass_identifier |
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554 { $$ = $1; } |
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555 | '(' expression ')' |
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556 { $$ = $2->mark_in_parens (); } |
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557 ; |
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558 |
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559 magic_colon : ':' |
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560 { |
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561 octave_value tmp (octave_value::magic_colon_t); |
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562 $$ = new tree_constant (tmp); |
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563 } |
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564 ; |
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565 |
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566 magic_tilde : EXPR_NOT |
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567 { |
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568 $$ = new tree_black_hole (); |
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569 } |
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570 ; |
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571 |
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572 arg_list : expression |
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573 { $$ = new tree_argument_list ($1); } |
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574 | magic_colon |
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575 { $$ = new tree_argument_list ($1); } |
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576 | magic_tilde |
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577 { $$ = new tree_argument_list ($1); } |
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578 | arg_list ',' magic_colon |
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579 { |
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580 $1->append ($3); |
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581 $$ = $1; |
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582 } |
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583 | arg_list ',' magic_tilde |
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584 { |
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585 $1->append ($3); |
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586 $$ = $1; |
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587 } |
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588 | arg_list ',' expression |
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589 { |
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590 $1->append ($3); |
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591 $$ = $1; |
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592 } |
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593 ; |
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594 |
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595 indirect_ref_op : '.' |
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596 { lexer.looking_at_indirect_ref = true; } |
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597 ; |
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598 |
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599 oper_expr : primary_expr |
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600 { $$ = $1; } |
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601 | oper_expr PLUS_PLUS |
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602 { $$ = parser.make_postfix_op (PLUS_PLUS, $1, $2); } |
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603 | oper_expr MINUS_MINUS |
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604 { $$ = parser.make_postfix_op (MINUS_MINUS, $1, $2); } |
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605 | oper_expr '(' ')' |
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606 { $$ = parser.make_index_expression ($1, 0, '('); } |
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607 | oper_expr '(' arg_list ')' |
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608 { $$ = parser.make_index_expression ($1, $3, '('); } |
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609 | oper_expr '{' '}' |
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610 { $$ = parser.make_index_expression ($1, 0, '{'); } |
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611 | oper_expr '{' arg_list '}' |
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612 { $$ = parser.make_index_expression ($1, $3, '{'); } |
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613 | oper_expr HERMITIAN |
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614 { $$ = parser.make_postfix_op (HERMITIAN, $1, $2); } |
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615 | oper_expr TRANSPOSE |
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616 { $$ = parser.make_postfix_op (TRANSPOSE, $1, $2); } |
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617 | oper_expr indirect_ref_op STRUCT_ELT |
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618 { $$ = parser.make_indirect_ref ($1, $3->text ()); } |
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619 | oper_expr indirect_ref_op '(' expression ')' |
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620 { $$ = parser.make_indirect_ref ($1, $4); } |
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621 | PLUS_PLUS oper_expr %prec UNARY |
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622 { $$ = parser.make_prefix_op (PLUS_PLUS, $2, $1); } |
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623 | MINUS_MINUS oper_expr %prec UNARY |
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624 { $$ = parser.make_prefix_op (MINUS_MINUS, $2, $1); } |
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625 | EXPR_NOT oper_expr %prec UNARY |
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626 { $$ = parser.make_prefix_op (EXPR_NOT, $2, $1); } |
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627 | '+' oper_expr %prec UNARY |
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628 { $$ = parser.make_prefix_op ('+', $2, $1); } |
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629 | '-' oper_expr %prec UNARY |
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630 { $$ = parser.make_prefix_op ('-', $2, $1); } |
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631 | oper_expr POW oper_expr |
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632 { $$ = parser.make_binary_op (POW, $1, $2, $3); } |
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633 | oper_expr EPOW oper_expr |
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634 { $$ = parser.make_binary_op (EPOW, $1, $2, $3); } |
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635 | oper_expr '+' oper_expr |
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636 { $$ = parser.make_binary_op ('+', $1, $2, $3); } |
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637 | oper_expr '-' oper_expr |
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638 { $$ = parser.make_binary_op ('-', $1, $2, $3); } |
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639 | oper_expr '*' oper_expr |
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640 { $$ = parser.make_binary_op ('*', $1, $2, $3); } |
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641 | oper_expr '/' oper_expr |
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642 { $$ = parser.make_binary_op ('/', $1, $2, $3); } |
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643 | oper_expr EPLUS oper_expr |
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644 { $$ = parser.make_binary_op ('+', $1, $2, $3); } |
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645 | oper_expr EMINUS oper_expr |
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646 { $$ = parser.make_binary_op ('-', $1, $2, $3); } |
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647 | oper_expr EMUL oper_expr |
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648 { $$ = parser.make_binary_op (EMUL, $1, $2, $3); } |
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649 | oper_expr EDIV oper_expr |
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650 { $$ = parser.make_binary_op (EDIV, $1, $2, $3); } |
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651 | oper_expr LEFTDIV oper_expr |
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652 { $$ = parser.make_binary_op (LEFTDIV, $1, $2, $3); } |
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653 | oper_expr ELEFTDIV oper_expr |
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654 { $$ = parser.make_binary_op (ELEFTDIV, $1, $2, $3); } |
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655 ; |
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656 |
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657 colon_expr : colon_expr1 |
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658 { $$ = parser.finish_colon_expression ($1); } |
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659 ; |
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660 |
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661 colon_expr1 : oper_expr |
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662 { $$ = new tree_colon_expression ($1); } |
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663 | colon_expr1 ':' oper_expr |
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664 { |
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665 if (! ($$ = $1->append ($3))) |
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666 ABORT_PARSE; |
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667 } |
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668 ; |
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669 |
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670 simple_expr : colon_expr |
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671 { $$ = $1; } |
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672 | simple_expr LSHIFT simple_expr |
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673 { $$ = parser.make_binary_op (LSHIFT, $1, $2, $3); } |
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674 | simple_expr RSHIFT simple_expr |
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675 { $$ = parser.make_binary_op (RSHIFT, $1, $2, $3); } |
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676 | simple_expr EXPR_LT simple_expr |
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677 { $$ = parser.make_binary_op (EXPR_LT, $1, $2, $3); } |
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678 | simple_expr EXPR_LE simple_expr |
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679 { $$ = parser.make_binary_op (EXPR_LE, $1, $2, $3); } |
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680 | simple_expr EXPR_EQ simple_expr |
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681 { $$ = parser.make_binary_op (EXPR_EQ, $1, $2, $3); } |
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682 | simple_expr EXPR_GE simple_expr |
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683 { $$ = parser.make_binary_op (EXPR_GE, $1, $2, $3); } |
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684 | simple_expr EXPR_GT simple_expr |
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685 { $$ = parser.make_binary_op (EXPR_GT, $1, $2, $3); } |
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686 | simple_expr EXPR_NE simple_expr |
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687 { $$ = parser.make_binary_op (EXPR_NE, $1, $2, $3); } |
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688 | simple_expr EXPR_AND simple_expr |
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689 { $$ = parser.make_binary_op (EXPR_AND, $1, $2, $3); } |
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690 | simple_expr EXPR_OR simple_expr |
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691 { $$ = parser.make_binary_op (EXPR_OR, $1, $2, $3); } |
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692 | simple_expr EXPR_AND_AND simple_expr |
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693 { $$ = parser.make_boolean_op (EXPR_AND_AND, $1, $2, $3); } |
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694 | simple_expr EXPR_OR_OR simple_expr |
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695 { $$ = parser.make_boolean_op (EXPR_OR_OR, $1, $2, $3); } |
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696 ; |
2970 | 697 |
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698 assign_lhs : simple_expr |
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699 { |
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700 $$ = parser.validate_matrix_for_assignment ($1); |
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701 |
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702 if ($$) |
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703 { lexer.looking_at_matrix_or_assign_lhs = false; } |
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704 else |
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705 { |
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706 // validate_matrix_for_assignment deleted $1. |
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707 ABORT_PARSE; |
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708 } |
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709 } |
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710 ; |
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711 |
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712 assign_expr : assign_lhs '=' expression |
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713 { $$ = parser.make_assign_op ('=', $1, $2, $3); } |
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714 | assign_lhs ADD_EQ expression |
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715 { $$ = parser.make_assign_op (ADD_EQ, $1, $2, $3); } |
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716 | assign_lhs SUB_EQ expression |
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717 { $$ = parser.make_assign_op (SUB_EQ, $1, $2, $3); } |
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718 | assign_lhs MUL_EQ expression |
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719 { $$ = parser.make_assign_op (MUL_EQ, $1, $2, $3); } |
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720 | assign_lhs DIV_EQ expression |
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721 { $$ = parser.make_assign_op (DIV_EQ, $1, $2, $3); } |
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722 | assign_lhs LEFTDIV_EQ expression |
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723 { $$ = parser.make_assign_op (LEFTDIV_EQ, $1, $2, $3); } |
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724 | assign_lhs POW_EQ expression |
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725 { $$ = parser.make_assign_op (POW_EQ, $1, $2, $3); } |
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726 | assign_lhs LSHIFT_EQ expression |
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727 { $$ = parser.make_assign_op (LSHIFT_EQ, $1, $2, $3); } |
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728 | assign_lhs RSHIFT_EQ expression |
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729 { $$ = parser.make_assign_op (RSHIFT_EQ, $1, $2, $3); } |
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730 | assign_lhs EMUL_EQ expression |
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731 { $$ = parser.make_assign_op (EMUL_EQ, $1, $2, $3); } |
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732 | assign_lhs EDIV_EQ expression |
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733 { $$ = parser.make_assign_op (EDIV_EQ, $1, $2, $3); } |
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734 | assign_lhs ELEFTDIV_EQ expression |
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735 { $$ = parser.make_assign_op (ELEFTDIV_EQ, $1, $2, $3); } |
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736 | assign_lhs EPOW_EQ expression |
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737 { $$ = parser.make_assign_op (EPOW_EQ, $1, $2, $3); } |
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738 | assign_lhs AND_EQ expression |
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739 { $$ = parser.make_assign_op (AND_EQ, $1, $2, $3); } |
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740 | assign_lhs OR_EQ expression |
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741 { $$ = parser.make_assign_op (OR_EQ, $1, $2, $3); } |
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742 ; |
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743 |
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744 expression : simple_expr |
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745 { |
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746 if ($1 && ($1->is_matrix () || $1->is_cell ())) |
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747 { |
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748 if (parser.validate_array_list ($1)) |
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749 $$ = $1; |
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750 else |
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751 { |
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752 delete $1; |
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753 ABORT_PARSE; |
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754 } |
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755 } |
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756 else |
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757 $$ = $1; |
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758 } |
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759 | assign_expr |
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760 { $$ = $1; } |
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761 | anon_fcn_handle |
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762 { $$ = $1; } |
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763 ; |
2970 | 764 |
765 // ================================================ | |
766 // Commands, declarations, and function definitions | |
767 // ================================================ | |
768 | |
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769 command : declaration |
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770 { $$ = $1; } |
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771 | select_command |
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772 { $$ = $1; } |
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773 | loop_command |
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774 { $$ = $1; } |
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775 | jump_command |
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776 { $$ = $1; } |
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777 | except_command |
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778 { $$ = $1; } |
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779 | function |
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780 { $$ = $1; } |
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781 | file |
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782 { $$ = $1; } |
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783 ; |
2970 | 784 |
785 // ===================== | |
786 // Declaration statemnts | |
787 // ===================== | |
788 | |
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789 declaration : GLOBAL decl1 |
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790 { |
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791 $$ = parser.make_decl_command (GLOBAL, $1, $2); |
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792 lexer.looking_at_decl_list = false; |
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793 } |
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794 | PERSISTENT decl1 |
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795 { |
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796 $$ = parser.make_decl_command (PERSISTENT, $1, $2); |
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797 lexer.looking_at_decl_list = false; |
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798 } |
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799 ; |
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800 |
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801 decl1 : decl2 |
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802 { $$ = new tree_decl_init_list ($1); } |
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803 | decl1 decl2 |
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804 { |
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805 $1->append ($2); |
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806 $$ = $1; |
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807 } |
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808 ; |
2970 | 809 |
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810 decl_param_init : // empty |
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811 { lexer.looking_at_initializer_expression = true; } |
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812 |
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813 decl2 : identifier |
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814 { $$ = new tree_decl_elt ($1); } |
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815 | identifier '=' decl_param_init expression |
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816 { |
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817 lexer.looking_at_initializer_expression = false; |
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818 $$ = new tree_decl_elt ($1, $4); |
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819 } |
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820 | magic_tilde |
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821 { |
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822 $$ = new tree_decl_elt ($1); |
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823 } |
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824 ; |
2970 | 825 |
826 // ==================== | |
827 // Selection statements | |
828 // ==================== | |
829 | |
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830 select_command : if_command |
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831 { $$ = $1; } |
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832 | switch_command |
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833 { $$ = $1; } |
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834 ; |
2970 | 835 |
836 // ============ | |
837 // If statement | |
838 // ============ | |
839 | |
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840 if_command : IF stash_comment if_cmd_list END |
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841 { |
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842 if (! ($$ = parser.finish_if_command ($1, $3, $4, $2))) |
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843 ABORT_PARSE; |
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844 } |
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845 ; |
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846 |
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847 if_cmd_list : if_cmd_list1 |
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848 { $$ = $1; } |
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849 | if_cmd_list1 else_clause |
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850 { |
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851 $1->append ($2); |
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852 $$ = $1; |
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853 } |
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854 ; |
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855 |
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856 if_cmd_list1 : expression opt_sep opt_list |
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857 { |
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858 $1->mark_braindead_shortcircuit (lexer.fcn_file_full_name); |
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859 |
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860 $$ = parser.start_if_command ($1, $3); |
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861 } |
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862 | if_cmd_list1 elseif_clause |
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863 { |
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864 $1->append ($2); |
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865 $$ = $1; |
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866 } |
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867 ; |
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868 |
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869 elseif_clause : ELSEIF stash_comment opt_sep expression opt_sep opt_list |
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870 { |
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871 $4->mark_braindead_shortcircuit (lexer.fcn_file_full_name); |
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872 |
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873 $$ = parser.make_elseif_clause ($1, $4, $6, $2); |
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874 } |
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875 ; |
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876 |
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877 else_clause : ELSE stash_comment opt_sep opt_list |
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878 { $$ = new tree_if_clause ($4, $2); } |
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879 ; |
2970 | 880 |
881 // ================ | |
882 // Switch statement | |
883 // ================ | |
884 | |
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885 switch_command : SWITCH stash_comment expression opt_sep case_list END |
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886 { |
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887 if (! ($$ = parser.finish_switch_command ($1, $3, $5, $6, $2))) |
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888 ABORT_PARSE; |
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889 } |
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890 ; |
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891 |
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892 case_list : // empty |
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893 { $$ = new tree_switch_case_list (); } |
11317
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diff
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|
894 | default_case |
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accept otherwise clause in switch statement without preceding case statements
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|
895 { $$ = new tree_switch_case_list ($1); } |
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896 | case_list1 |
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897 { $$ = $1; } |
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898 | case_list1 default_case |
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899 { |
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900 $1->append ($2); |
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901 $$ = $1; |
11586
12df7854fa7c
strip trailing whitespace from source files
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11572
diff
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|
902 } |
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903 ; |
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904 |
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905 case_list1 : switch_case |
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906 { $$ = new tree_switch_case_list ($1); } |
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907 | case_list1 switch_case |
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908 { |
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909 $1->append ($2); |
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910 $$ = $1; |
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911 } |
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|
912 ; |
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|
913 |
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914 switch_case : CASE stash_comment opt_sep expression opt_sep opt_list |
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915 { $$ = parser.make_switch_case ($1, $4, $6, $2); } |
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916 ; |
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917 |
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918 default_case : OTHERWISE stash_comment opt_sep opt_list |
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919 { |
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920 $$ = new tree_switch_case ($4, $2); |
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921 } |
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922 ; |
2970 | 923 |
924 // ======= | |
925 // Looping | |
926 // ======= | |
927 | |
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928 loop_command : WHILE stash_comment expression opt_sep opt_list END |
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929 { |
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930 $3->mark_braindead_shortcircuit (lexer.fcn_file_full_name); |
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931 |
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932 if (! ($$ = parser.make_while_command ($1, $3, $5, $6, $2))) |
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933 ABORT_PARSE; |
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934 } |
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935 | DO stash_comment opt_sep opt_list UNTIL expression |
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936 { |
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937 if (! ($$ = parser.make_do_until_command ($5, $4, $6, $2))) |
10315
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938 ABORT_PARSE; |
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|
939 } |
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940 | FOR stash_comment assign_lhs '=' expression opt_sep opt_list END |
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941 { |
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942 if (! ($$ = parser.make_for_command (FOR, $1, $3, $5, 0, |
13245
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|
943 $7, $8, $2))) |
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944 ABORT_PARSE; |
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945 } |
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946 | FOR stash_comment '(' assign_lhs '=' expression ')' opt_sep opt_list END |
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947 { |
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948 if (! ($$ = parser.make_for_command (FOR, $1, $4, $6, 0, |
13245
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|
949 $9, $10, $2))) |
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|
950 ABORT_PARSE; |
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951 } |
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952 | PARFOR stash_comment assign_lhs '=' expression opt_sep opt_list END |
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953 { |
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954 if (! ($$ = parser.make_for_command (PARFOR, $1, $3, $5, |
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955 0, $7, $8, $2))) |
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956 ABORT_PARSE; |
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957 } |
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958 | PARFOR stash_comment '(' assign_lhs '=' expression ',' expression ')' opt_sep opt_list END |
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959 { |
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960 if (! ($$ = parser.make_for_command (PARFOR, $1, $4, $6, |
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961 $8, $11, $12, $2))) |
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962 ABORT_PARSE; |
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963 } |
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964 ; |
2970 | 965 |
966 // ======= | |
967 // Jumping | |
968 // ======= | |
969 | |
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970 jump_command : BREAK |
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971 { |
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972 if (! ($$ = parser.make_break_command ($1))) |
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973 ABORT_PARSE; |
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|
974 } |
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975 | CONTINUE |
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976 { |
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977 if (! ($$ = parser.make_continue_command ($1))) |
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978 ABORT_PARSE; |
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979 } |
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980 | FUNC_RET |
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981 { |
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982 if (! ($$ = parser.make_return_command ($1))) |
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983 ABORT_PARSE; |
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984 } |
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985 ; |
2970 | 986 |
987 // ========== | |
988 // Exceptions | |
989 // ========== | |
990 | |
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991 except_command : UNWIND stash_comment opt_sep opt_list CLEANUP |
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992 stash_comment opt_sep opt_list END |
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993 { |
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994 if (! ($$ = parser.make_unwind_command ($1, $4, $8, $9, $2, $6))) |
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995 ABORT_PARSE; |
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996 } |
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997 | TRY stash_comment opt_sep opt_list CATCH |
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998 stash_comment opt_sep opt_list END |
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999 { |
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1000 if (! ($$ = parser.make_try_command ($1, $4, $8, $9, $2, $6))) |
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1001 ABORT_PARSE; |
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1002 } |
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1003 | TRY stash_comment opt_sep opt_list END |
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1004 { |
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1005 if (! ($$ = parser.make_try_command ($1, $4, 0, $5, $2, 0))) |
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1006 ABORT_PARSE; |
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1007 } |
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1008 ; |
2970 | 1009 |
1010 // =========================================== | |
15466
d174210ce1ec
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1011 // Some 'subroutines' for function definitions |
2970 | 1012 // =========================================== |
1013 | |
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1014 push_fcn_symtab : // empty |
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1015 { |
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1016 parser.curr_fcn_depth++; |
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1017 |
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1018 if (parser.max_fcn_depth < parser.curr_fcn_depth) |
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1019 parser.max_fcn_depth = parser.curr_fcn_depth; |
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1020 |
14329
8d1ae996c122
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1021 parser_symtab_context.push (); |
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1022 |
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1023 symbol_table::set_scope (symbol_table::alloc_scope ()); |
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1024 |
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1025 parser.function_scopes.push_back (symbol_table::current_scope ()); |
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1026 |
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1027 if (! lexer.reading_script_file |
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1028 && parser.curr_fcn_depth == 1 |
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1029 && ! parser.parsing_subfunctions) |
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1030 parser.primary_fcn_scope = symbol_table::current_scope (); |
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1031 |
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1032 if (lexer.reading_script_file |
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1033 && parser.curr_fcn_depth > 1) |
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1034 parser.bison_error ("nested functions not implemented in this context"); |
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1035 } |
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1036 ; |
2970 | 1037 |
1038 // =========================== | |
1039 // List of function parameters | |
1040 // =========================== | |
1041 | |
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1042 param_list_beg : '(' |
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1043 { |
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1044 lexer.looking_at_parameter_list = true; |
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1045 |
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1046 if (lexer.looking_at_function_handle) |
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1047 { |
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1048 parser_symtab_context.push (); |
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1049 symbol_table::set_scope (symbol_table::alloc_scope ()); |
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1050 lexer.looking_at_function_handle--; |
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1051 lexer.looking_at_anon_fcn_args = true; |
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1052 } |
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1053 } |
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1054 ; |
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1055 |
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1056 param_list_end : ')' |
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1057 { |
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1058 lexer.looking_at_parameter_list = false; |
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1059 lexer.looking_for_object_index = false; |
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1060 } |
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1061 ; |
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1062 |
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1063 param_list : param_list_beg param_list1 param_list_end |
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1064 { $$ = $2; } |
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1065 | param_list_beg error |
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1066 { |
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1067 parser.bison_error ("invalid parameter list"); |
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1068 $$ = 0; |
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1069 ABORT_PARSE; |
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1070 } |
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1071 ; |
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1072 |
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1073 param_list1 : // empty |
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1074 { $$ = 0; } |
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1075 | param_list2 |
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1076 { |
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1077 $1->mark_as_formal_parameters (); |
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1078 if ($1->validate (tree_parameter_list::in)) |
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1079 $$ = $1; |
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1080 else |
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1081 ABORT_PARSE; |
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1082 } |
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1083 ; |
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1084 |
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1085 param_list2 : decl2 |
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1086 { $$ = new tree_parameter_list ($1); } |
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1087 | param_list2 ',' decl2 |
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1088 { |
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1089 $1->append ($3); |
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1090 $$ = $1; |
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1091 } |
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1092 ; |
2970 | 1093 |
1094 // =================================== | |
1095 // List of function return value names | |
1096 // =================================== | |
1097 | |
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1098 return_list : '[' ']' |
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1099 { |
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1100 lexer.looking_at_return_list = false; |
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1101 $$ = new tree_parameter_list (); |
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1102 } |
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1103 | return_list1 |
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1104 { |
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1105 lexer.looking_at_return_list = false; |
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1106 if ($1->validate (tree_parameter_list::out)) |
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1107 $$ = $1; |
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1108 else |
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1109 ABORT_PARSE; |
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1110 } |
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1111 | '[' return_list1 ']' |
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1112 { |
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1113 lexer.looking_at_return_list = false; |
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1114 if ($2->validate (tree_parameter_list::out)) |
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1115 $$ = $2; |
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1116 else |
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1117 ABORT_PARSE; |
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1118 } |
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1119 ; |
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1120 |
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1121 return_list1 : identifier |
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1122 { $$ = new tree_parameter_list (new tree_decl_elt ($1)); } |
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1123 | return_list1 ',' identifier |
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1124 { |
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1125 $1->append (new tree_decl_elt ($3)); |
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1126 $$ = $1; |
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1127 } |
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1128 ; |
2970 | 1129 |
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1130 // ======================= |
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1131 // Script or function file |
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1132 // ======================= |
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1133 |
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1134 file : INPUT_FILE opt_nl opt_list END_OF_INPUT |
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1135 { |
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1136 if (! lexer.reading_fcn_file) |
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1137 { |
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1138 tree_statement *end_of_script |
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1139 = parser.make_end ("endscript", |
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1140 lexer.input_line_number, |
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1141 lexer.current_input_column); |
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1142 |
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1143 parser.make_script ($3, end_of_script); |
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1144 } |
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1145 |
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1146 $$ = 0; |
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1147 } |
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1148 | INPUT_FILE opt_nl classdef opt_sep END_OF_INPUT |
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1149 { |
16289
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1150 if (lexer.reading_classdef_file) |
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1151 parser.classdef_object = $3; |
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1152 |
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1153 $$ = 0; |
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1154 } |
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1155 ; |
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1156 |
2970 | 1157 // =================== |
1158 // Function definition | |
1159 // =================== | |
1160 | |
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1161 function_beg : push_fcn_symtab FCN stash_comment |
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1162 { |
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1163 $$ = $3; |
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1164 if (lexer.reading_classdef_file |
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1165 || lexer.parsing_classdef) |
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1166 lexer.maybe_classdef_get_set_method = true; |
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1167 } |
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1168 ; |
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1169 |
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1170 function : function_beg function1 |
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1171 { |
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1172 $$ = parser.finish_function (0, $2, $1); |
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1173 parser.recover_from_parsing_function (); |
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1174 } |
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1175 | function_beg return_list '=' function1 |
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1176 { |
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1177 $$ = parser.finish_function ($2, $4, $1); |
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1178 parser.recover_from_parsing_function (); |
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1179 } |
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1180 ; |
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1181 |
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1182 fcn_name : identifier |
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1183 { |
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1184 std::string id_name = $1->name (); |
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1185 |
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1186 lexer.parsed_function_name.top () = true; |
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1187 lexer.maybe_classdef_get_set_method = false; |
11586
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1188 |
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1189 $$ = $1; |
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1190 } |
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1191 | GET '.' identifier |
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1192 { |
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1193 lexer.parsed_function_name.top () = true; |
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1194 lexer.maybe_classdef_get_set_method = false; |
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1195 lexer.parsing_classdef_get_method = true; |
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1196 $$ = $3; |
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1197 } |
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1198 | SET '.' identifier |
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1199 { |
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1200 lexer.parsed_function_name.top () = true; |
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1201 lexer.maybe_classdef_get_set_method = false; |
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1202 lexer.parsing_classdef_set_method = true; |
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1203 $$ = $3; |
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1204 } |
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1205 ; |
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1206 |
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1207 function1 : fcn_name function2 |
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1208 { |
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1209 std::string fname = $1->name (); |
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1210 |
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1211 delete $1; |
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1212 |
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1213 if (! ($$ = parser.frob_function (fname, $2))) |
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1214 ABORT_PARSE; |
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1215 } |
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1216 ; |
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1217 |
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1218 function2 : param_list opt_sep opt_list function_end |
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1219 { $$ = parser.start_function ($1, $3, $4); } |
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1220 | opt_sep opt_list function_end |
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1221 { $$ = parser.start_function (0, $2, $3); } |
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1222 ; |
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1223 |
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1224 function_end : END |
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1225 { |
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1226 parser.endfunction_found = true; |
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1227 if (parser.end_token_ok ($1, token::function_end)) |
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1228 $$ = parser.make_end ("endfunction", $1->line (), $1->column ()); |
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1229 else |
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1230 ABORT_PARSE; |
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1231 } |
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1232 | END_OF_INPUT |
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1233 { |
9474
25ed2d6aacf6
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1234 // A lot of tests are based on the assumption that this is OK |
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1235 // if (lexer.reading_script_file) |
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1236 // { |
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1237 // parser.bison_error ("function body open at end of script"); |
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1238 // YYABORT; |
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1239 // } |
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1240 |
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1241 if (parser.endfunction_found) |
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1242 { |
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1243 parser.bison_error ("inconsistent function endings -- " |
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1244 "if one function is explicitly ended, " |
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1245 "so must all the others"); |
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1246 YYABORT; |
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1247 } |
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1248 |
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1249 if (! (lexer.reading_fcn_file || lexer.reading_script_file |
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1250 || lexer.input_from_eval_string ())) |
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1251 { |
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1252 parser.bison_error ("function body open at end of input"); |
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1253 YYABORT; |
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1254 } |
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1255 |
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1256 if (lexer.reading_classdef_file) |
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1257 { |
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1258 parser.bison_error ("classdef body open at end of input"); |
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1259 YYABORT; |
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1260 } |
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1261 |
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1262 $$ = parser.make_end ("endfunction", |
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1263 lexer.input_line_number, |
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1264 lexer.current_input_column); |
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1265 } |
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1266 ; |
2970 | 1267 |
9476 | 1268 // ======== |
1269 // Classdef | |
1270 // ======== | |
1271 | |
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1272 classdef_beg : CLASSDEF |
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1273 { |
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1274 if (! lexer.reading_classdef_file) |
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1275 { |
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1276 parser.bison_error ("classdef must appear inside a file containing only a class definition"); |
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1277 YYABORT; |
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|
1278 } |
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1279 |
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1280 lexer.parsing_classdef = true; |
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|
1281 $$ = $1; |
10315
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John W. Eaton <jwe@octave.org>
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10250
diff
changeset
|
1282 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1283 ; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1284 |
15037
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1285 classdef : classdef_beg stash_comment opt_attr_list identifier opt_superclass_list opt_sep class_body opt_sep END |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1286 { |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
1287 lexer.parsing_classdef = false; |
16289
bde729ba8381
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
1288 if (! ($$ = parser.make_classdef ($1, $3, $4, $5, $7, $9, $2))) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1289 ABORT_PARSE; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10250
diff
changeset
|
1290 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1291 ; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1292 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1293 opt_attr_list : // empty |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1294 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1295 | '(' attr_list ')' |
15037
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1296 { $$ = $2; } |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1297 ; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1298 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1299 attr_list : attr |
15037
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1300 { $$ = new tree_classdef_attribute_list ($1); } |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10250
diff
changeset
|
1301 | attr_list ',' attr |
15037
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1302 { |
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1303 $1->append ($3); |
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1304 $$ = $1; |
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1305 } |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1306 ; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1307 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1308 attr : identifier |
15037
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1309 { $$ = new tree_classdef_attribute ($1); } |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10250
diff
changeset
|
1310 | identifier '=' decl_param_init expression |
15037
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1311 { |
16289
bde729ba8381
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
1312 lexer.looking_at_initializer_expression = false; |
15037
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1313 $$ = new tree_classdef_attribute ($1, $4); |
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1314 } |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1315 | EXPR_NOT identifier |
15037
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1316 { $$ = new tree_classdef_attribute ($2, false); } |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1317 ; |
9476 | 1318 |
15037
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1319 opt_superclass_list |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1320 : // empty |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1321 { $$ = 0; } |
15037
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1322 | superclass_list |
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1323 { $$ = $1; } |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1324 ; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1325 |
15037
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1326 superclass_list : EXPR_LT superclass |
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1327 { $$ = new tree_classdef_superclass_list ($2); } |
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1328 | superclass_list EXPR_AND superclass |
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1329 { |
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1330 $1->append ($3); |
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1331 $$ = $1; |
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1332 } |
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1333 ; |
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1334 |
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1335 superclass : identifier |
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1336 { $$ = new tree_classdef_superclass ($1); } |
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1337 | identifier '.' identifier |
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1338 { $$ = new tree_classdef_superclass ($3, $1); } |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10250
diff
changeset
|
1339 ; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1340 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1341 class_body : properties_block |
15037
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1342 { $$ = new tree_classdef_body ($1); } |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1343 | methods_block |
15037
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1344 { $$ = new tree_classdef_body ($1); } |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1345 | events_block |
15037
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1346 { $$ = new tree_classdef_body ($1); } |
13249
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1347 | enum_block |
15037
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1348 { $$ = new tree_classdef_body ($1); } |
13250
f6bbdea030b2
use opt_sep instead of literal '\n' in parser rules for classdef
John W. Eaton <jwe@octave.org>
parents:
13249
diff
changeset
|
1349 | class_body opt_sep properties_block |
15037
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1350 { |
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1351 $1->append ($3); |
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1352 $$ = $1; |
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1353 } |
13250
f6bbdea030b2
use opt_sep instead of literal '\n' in parser rules for classdef
John W. Eaton <jwe@octave.org>
parents:
13249
diff
changeset
|
1354 | class_body opt_sep methods_block |
15037
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1355 { |
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1356 $1->append ($3); |
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1357 $$ = $1; |
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1358 } |
13250
f6bbdea030b2
use opt_sep instead of literal '\n' in parser rules for classdef
John W. Eaton <jwe@octave.org>
parents:
13249
diff
changeset
|
1359 | class_body opt_sep events_block |
15037
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1360 { |
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1361 $1->append ($3); |
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1362 $$ = $1; |
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1363 } |
13250
f6bbdea030b2
use opt_sep instead of literal '\n' in parser rules for classdef
John W. Eaton <jwe@octave.org>
parents:
13249
diff
changeset
|
1364 | class_body opt_sep enum_block |
15037
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1365 { |
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1366 $1->append ($3); |
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1367 $$ = $1; |
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1368 } |
10315
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untabify src C++ source files
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changeset
|
1369 ; |
9476 | 1370 |
1371 properties_block | |
15037
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1372 : PROPERTIES stash_comment opt_attr_list opt_sep property_list opt_sep END |
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1373 { |
16289
bde729ba8381
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
1374 if (! ($$ = parser.make_classdef_properties_block |
16211
3449bf257514
maint: fix botched merge of default to classdef
John W. Eaton <jwe@octave.org>
parents:
16205
diff
changeset
|
1375 ($1, $3, $5, $7, $2))) |
15037
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1376 ABORT_PARSE; |
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
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14846
diff
changeset
|
1377 } |
10315
57a59eae83cc
untabify src C++ source files
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changeset
|
1378 ; |
9476 | 1379 |
15037
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
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14846
diff
changeset
|
1380 property_list |
10315
57a59eae83cc
untabify src C++ source files
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changeset
|
1381 : class_property |
15037
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1382 { $$ = new tree_classdef_property_list ($1); } |
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1383 | property_list opt_sep class_property |
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1384 { |
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1385 $1->append ($3); |
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1386 $$ = $1; |
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1387 } |
10315
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changeset
|
1388 ; |
57a59eae83cc
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changeset
|
1389 |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1390 class_property : identifier |
15037
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
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14846
diff
changeset
|
1391 { $$ = new tree_classdef_property ($1); } |
10315
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changeset
|
1392 | identifier '=' decl_param_init expression ';' |
15037
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1393 { |
16289
bde729ba8381
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
1394 lexer.looking_at_initializer_expression = false; |
15037
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1395 $$ = new tree_classdef_property ($1, $4); |
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
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14846
diff
changeset
|
1396 } |
10315
57a59eae83cc
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changeset
|
1397 ; |
57a59eae83cc
untabify src C++ source files
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changeset
|
1398 |
15037
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1399 methods_block : METHODS stash_comment opt_attr_list opt_sep methods_list opt_sep END |
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1400 { |
16289
bde729ba8381
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
1401 if (! ($$ = parser.make_classdef_methods_block |
16211
3449bf257514
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John W. Eaton <jwe@octave.org>
parents:
16205
diff
changeset
|
1402 ($1, $3, $5, $7, $2))) |
15037
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1403 ABORT_PARSE; |
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
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14846
diff
changeset
|
1404 } |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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changeset
|
1405 ; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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changeset
|
1406 |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1407 methods_list : function |
15037
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1408 { |
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1409 octave_value fcn; |
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1410 if ($1) |
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1411 fcn = $1->function (); |
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1412 delete $1; |
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1413 $$ = new tree_classdef_methods_list (fcn); |
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1414 } |
13250
f6bbdea030b2
use opt_sep instead of literal '\n' in parser rules for classdef
John W. Eaton <jwe@octave.org>
parents:
13249
diff
changeset
|
1415 | methods_list opt_sep function |
15037
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1416 { |
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1417 octave_value fcn; |
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1418 if ($3) |
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1419 fcn = $3->function (); |
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1420 delete $3; |
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1421 |
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1422 $1->append (fcn); |
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1423 $$ = $1; |
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1424 } |
10315
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 |
15037
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1427 events_block : EVENTS stash_comment opt_attr_list opt_sep events_list opt_sep END |
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1428 { |
16289
bde729ba8381
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
1429 if (! ($$ = parser.make_classdef_events_block |
16211
3449bf257514
maint: fix botched merge of default to classdef
John W. Eaton <jwe@octave.org>
parents:
16205
diff
changeset
|
1430 ($1, $3, $5, $7, $2))) |
15037
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1431 ABORT_PARSE; |
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1432 } |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1433 ; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1434 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1435 events_list : class_event |
15037
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1436 { $$ = new tree_classdef_events_list ($1); } |
13250
f6bbdea030b2
use opt_sep instead of literal '\n' in parser rules for classdef
John W. Eaton <jwe@octave.org>
parents:
13249
diff
changeset
|
1437 | events_list opt_sep class_event |
15037
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1438 { |
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1439 $1->append ($3); |
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1440 $$ = $1; |
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1441 } |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1442 ; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1443 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1444 class_event : identifier |
15037
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1445 { $$ = new tree_classdef_event ($1); } |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1446 ; |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
1447 |
15037
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1448 enum_block : ENUMERATION stash_comment opt_attr_list opt_sep enum_list opt_sep END |
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1449 { |
16289
bde729ba8381
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
1450 if (! ($$ = parser.make_classdef_enum_block |
16211
3449bf257514
maint: fix botched merge of default to classdef
John W. Eaton <jwe@octave.org>
parents:
16205
diff
changeset
|
1451 ($1, $3, $5, $7, $2))) |
15037
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1452 ABORT_PARSE; |
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1453 } |
13249
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1454 ; |
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1455 |
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1456 enum_list : class_enum |
15037
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1457 { $$ = new tree_classdef_enum_list ($1); } |
13250
f6bbdea030b2
use opt_sep instead of literal '\n' in parser rules for classdef
John W. Eaton <jwe@octave.org>
parents:
13249
diff
changeset
|
1458 | enum_list opt_sep class_enum |
15037
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1459 { |
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1460 $1->append ($3); |
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1461 $$ = $1; |
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1462 } |
13249
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1463 ; |
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1464 |
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1465 class_enum : identifier '(' expression ')' |
15037
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1466 { $$ = new tree_classdef_enum ($1, $3); } |
13249
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1467 ; |
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1468 |
2970 | 1469 // ============= |
1470 // Miscellaneous | |
1471 // ============= | |
1472 | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1473 stash_comment : // empty |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1474 { $$ = octave_comment_buffer::get_comment (); } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1475 ; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1476 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1477 parse_error : LEXICAL_ERROR |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
1478 { parser.bison_error ("parse error"); } |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1479 | error |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1480 ; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1481 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1482 sep_no_nl : ',' |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1483 { $$ = ','; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1484 | ';' |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1485 { $$ = ';'; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1486 | sep_no_nl ',' |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1487 { $$ = $1; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1488 | sep_no_nl ';' |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1489 { $$ = $1; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1490 ; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1491 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1492 opt_sep_no_nl : // empty |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1493 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1494 | sep_no_nl |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1495 { $$ = $1; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1496 ; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1497 |
16203
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
1498 opt_nl : // empty |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
1499 { $$ = 0; } |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
1500 | nl |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
1501 { $$ = $1; } |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
1502 ; |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
1503 |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
1504 nl : '\n' |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
1505 { $$ = '\n'; } |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
1506 | nl '\n' |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
1507 { $$ = $1; } |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
1508 ; |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
1509 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1510 sep : ',' |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1511 { $$ = ','; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1512 | ';' |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1513 { $$ = ';'; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1514 | '\n' |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1515 { $$ = '\n'; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1516 | sep ',' |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1517 { $$ = $1; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1518 | sep ';' |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1519 { $$ = $1; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1520 | sep '\n' |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1521 { $$ = $1; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1522 ; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1523 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1524 opt_sep : // empty |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1525 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1526 | sep |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1527 { $$ = $1; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1528 ; |
2525 | 1529 |
1 | 1530 %% |
1531 | |
666 | 1532 // Generic error messages. |
1533 | |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
1534 #undef lexer |
16149
49dfba4fd3c5
use pure parser and reentrant lexer interfaces
John W. Eaton <jwe@octave.org>
parents:
16147
diff
changeset
|
1535 |
1 | 1536 static void |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
1537 yyerror (octave_base_parser& parser, const char *s) |
1 | 1538 { |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
1539 parser.bison_error (s); |
16142
26d65d677557
rename yyerror to bison_error and make it a member of octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16139
diff
changeset
|
1540 } |
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
|
1541 |
16287
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
1542 octave_base_parser::~octave_base_parser (void) |
16157
335041cc657a
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John W. Eaton <jwe@octave.org>
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16153
diff
changeset
|
1543 { |
16167
22bb3aa9f025
make push parser interface partially work
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16164
diff
changeset
|
1544 #if defined (OCTAVE_USE_PUSH_PARSER) |
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make push parser interface partially work
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diff
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|
1545 yypstate_delete (static_cast<yypstate *> (parser_state)); |
16157
335041cc657a
optionally use push parser interface
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diff
changeset
|
1546 #endif |
335041cc657a
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diff
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|
1547 |
16177
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eliminate global global_command variable
John W. Eaton <jwe@octave.org>
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16174
diff
changeset
|
1548 delete stmt_list; |
a7669b4d27f6
eliminate global global_command variable
John W. Eaton <jwe@octave.org>
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16174
diff
changeset
|
1549 |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
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diff
changeset
|
1550 delete &lexer; |
16157
335041cc657a
optionally use push parser interface
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1551 } |
16287
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
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|
1552 |
04a7953496a7
create base class for parser; use reference for curr_lexer
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diff
changeset
|
1553 void octave_base_parser::init (void) |
16157
335041cc657a
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diff
changeset
|
1554 { |
16167
22bb3aa9f025
make push parser interface partially work
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diff
changeset
|
1555 #if defined (OCTAVE_USE_PUSH_PARSER) |
16157
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optionally use push parser interface
John W. Eaton <jwe@octave.org>
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diff
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|
1556 parser_state = yypstate_new (); |
335041cc657a
optionally use push parser interface
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diff
changeset
|
1557 #endif |
335041cc657a
optionally use push parser interface
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1558 |
16288
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rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1559 LEXER = &lexer; |
16157
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optionally use push parser interface
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diff
changeset
|
1560 } |
335041cc657a
optionally use push parser interface
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diff
changeset
|
1561 |
16177
a7669b4d27f6
eliminate global global_command variable
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1562 void |
16287
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1563 octave_base_parser::reset (void) |
16177
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eliminate global global_command variable
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diff
changeset
|
1564 { |
a7669b4d27f6
eliminate global global_command variable
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1565 delete stmt_list; |
a7669b4d27f6
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diff
changeset
|
1566 |
a7669b4d27f6
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diff
changeset
|
1567 stmt_list = 0; |
a7669b4d27f6
eliminate global global_command variable
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1568 |
16288
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rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1569 lexer.reset (); |
16138
284e2ca86ef7
execute parser using member function of octave_parser class
John W. Eaton <jwe@octave.org>
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16136
diff
changeset
|
1570 } |
284e2ca86ef7
execute parser using member function of octave_parser class
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diff
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|
1571 |
666 | 1572 // Error mesages for mismatched end tokens. |
1573 | |
16134
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move static parser helper functions to octave_parser class
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diff
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|
1574 void |
16287
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1575 octave_base_parser::end_error (const char *type, token::end_tok_type ettype, |
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1576 int l, int c) |
496 | 1577 { |
2805 | 1578 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
|
1579 = "'%s' command matched by '%s' near line %d column %d"; |
496 | 1580 |
1581 switch (ettype) | |
1582 { | |
1583 case token::simple_end: | |
1584 error (fmt, type, "end", l, c); | |
1585 break; | |
777 | 1586 |
496 | 1587 case token::for_end: |
1588 error (fmt, type, "endfor", l, c); | |
1589 break; | |
777 | 1590 |
496 | 1591 case token::function_end: |
1592 error (fmt, type, "endfunction", l, c); | |
1593 break; | |
777 | 1594 |
9476 | 1595 case token::classdef_end: |
1596 error (fmt, type, "endclassdef", l, c); | |
1597 break; | |
1598 | |
496 | 1599 case token::if_end: |
1600 error (fmt, type, "endif", l, c); | |
1601 break; | |
777 | 1602 |
3233 | 1603 case token::switch_end: |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
1604 error (fmt, type, "endswitch", l, c); |
3233 | 1605 break; |
1606 | |
496 | 1607 case token::while_end: |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
1608 error (fmt, type, "endwhile", l, c); |
496 | 1609 break; |
777 | 1610 |
5400 | 1611 case token::try_catch_end: |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1612 error (fmt, type, "end_try_catch", l, c); |
5400 | 1613 break; |
1614 | |
1371 | 1615 case token::unwind_protect_end: |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
1616 error (fmt, type, "end_unwind_protect", l, c); |
1371 | 1617 break; |
1618 | |
496 | 1619 default: |
1620 panic_impossible (); | |
1621 break; | |
1622 } | |
1623 } | |
1624 | |
666 | 1625 // Check to see that end tokens are properly matched. |
1626 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1627 bool |
16287
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1628 octave_base_parser::end_token_ok (token *tok, token::end_tok_type expected) |
143 | 1629 { |
2857 | 1630 bool retval = true; |
1631 | |
143 | 1632 token::end_tok_type ettype = tok->ettype (); |
2857 | 1633 |
143 | 1634 if (ettype != expected && ettype != token::simple_end) |
1635 { | |
2857 | 1636 retval = false; |
1637 | |
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
|
1638 bison_error ("parse error"); |
143 | 1639 |
1640 int l = tok->line (); | |
1641 int c = tok->column (); | |
1642 | |
1643 switch (expected) | |
10315
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changeset
|
1644 { |
57a59eae83cc
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changeset
|
1645 case token::classdef_end: |
57a59eae83cc
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changeset
|
1646 end_error ("classdef", ettype, l, c); |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1647 break; |
57a59eae83cc
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diff
changeset
|
1648 |
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diff
changeset
|
1649 case token::for_end: |
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untabify src C++ source files
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changeset
|
1650 end_error ("for", ettype, l, c); |
57a59eae83cc
untabify src C++ source files
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10250
diff
changeset
|
1651 break; |
57a59eae83cc
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diff
changeset
|
1652 |
13249
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1653 case token::enumeration_end: |
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
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13246
diff
changeset
|
1654 end_error ("enumeration", ettype, l, c); |
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1655 break; |
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
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13246
diff
changeset
|
1656 |
10315
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untabify src C++ source files
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diff
changeset
|
1657 case token::function_end: |
57a59eae83cc
untabify src C++ source files
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changeset
|
1658 end_error ("function", ettype, l, c); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10250
diff
changeset
|
1659 break; |
57a59eae83cc
untabify src C++ source files
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10250
diff
changeset
|
1660 |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1661 case token::if_end: |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1662 end_error ("if", ettype, l, c); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10250
diff
changeset
|
1663 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10250
diff
changeset
|
1664 |
13246 | 1665 case token::parfor_end: |
1666 end_error ("parfor", ettype, l, c); | |
1667 break; | |
1668 | |
10315
57a59eae83cc
untabify src C++ source files
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10250
diff
changeset
|
1669 case token::try_catch_end: |
57a59eae83cc
untabify src C++ source files
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parents:
10250
diff
changeset
|
1670 end_error ("try", ettype, l, c); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1671 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1672 |
57a59eae83cc
untabify src C++ source files
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10250
diff
changeset
|
1673 case token::switch_end: |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1674 end_error ("switch", ettype, l, c); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10250
diff
changeset
|
1675 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10250
diff
changeset
|
1676 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1677 case token::unwind_protect_end: |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1678 end_error ("unwind_protect", ettype, l, c); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1679 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10250
diff
changeset
|
1680 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1681 case token::while_end: |
57a59eae83cc
untabify src C++ source files
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10250
diff
changeset
|
1682 end_error ("while", ettype, l, c); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10250
diff
changeset
|
1683 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10250
diff
changeset
|
1684 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10250
diff
changeset
|
1685 default: |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10250
diff
changeset
|
1686 panic_impossible (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10250
diff
changeset
|
1687 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1688 } |
143 | 1689 } |
2857 | 1690 |
1691 return retval; | |
143 | 1692 } |
1693 | |
666 | 1694 // Maybe print a warning if an assignment expression is used as the |
1695 // test in a logical expression. | |
1696 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1697 void |
16287
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
1698 octave_base_parser::maybe_warn_assign_as_truth_value (tree_expression *expr) |
1 | 1699 { |
5781 | 1700 if (expr->is_assignment_expression () |
2961 | 1701 && expr->paren_count () < 2) |
1 | 1702 { |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1703 if (lexer.fcn_file_full_name.empty ()) |
10315
57a59eae83cc
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|
1704 warning_with_id |
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changeset
|
1705 ("Octave:assign-as-truth-value", |
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untabify src C++ source files
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diff
changeset
|
1706 "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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diff
changeset
|
1707 else |
10315
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changeset
|
1708 warning_with_id |
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untabify src C++ source files
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changeset
|
1709 ("Octave:assign-as-truth-value", |
15466
d174210ce1ec
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John W. Eaton <jwe@octave.org>
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14189
diff
changeset
|
1710 "suggest parenthesis around assignment used as truth value near line %d, column %d in file '%s'", |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1711 expr->line (), expr->column (), lexer.fcn_file_full_name.c_str ()); |
1 | 1712 } |
1713 } | |
578 | 1714 |
2764 | 1715 // Maybe print a warning about switch labels that aren't constants. |
1716 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1717 void |
16287
04a7953496a7
create base class for parser; use reference for curr_lexer
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16285
diff
changeset
|
1718 octave_base_parser::maybe_warn_variable_switch_label (tree_expression *expr) |
2764 | 1719 { |
5781 | 1720 if (! expr->is_constant ()) |
8974
fde2a916b2ac
include line and file info in parser warnings
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1721 { |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1722 if (lexer.fcn_file_full_name.empty ()) |
10315
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untabify src C++ source files
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changeset
|
1723 warning_with_id ("Octave:variable-switch-label", |
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changeset
|
1724 "variable switch label"); |
8974
fde2a916b2ac
include line and file info in parser warnings
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diff
changeset
|
1725 else |
10315
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changeset
|
1726 warning_with_id |
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changeset
|
1727 ("Octave:variable-switch-label", |
15466
d174210ce1ec
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John W. Eaton <jwe@octave.org>
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14189
diff
changeset
|
1728 "variable switch label near line %d, column %d in file '%s'", |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1729 expr->line (), expr->column (), lexer.fcn_file_full_name.c_str ()); |
8974
fde2a916b2ac
include line and file info in parser warnings
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diff
changeset
|
1730 } |
2764 | 1731 } |
1732 | |
2533 | 1733 static tree_expression * |
1734 fold (tree_binary_expression *e) | |
1735 { | |
3110 | 1736 tree_expression *retval = e; |
1737 | |
10067
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
1738 unwind_protect frame; |
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1739 |
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1740 frame.protect_var (error_state); |
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1741 frame.protect_var (warning_state); |
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1742 |
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1743 frame.protect_var (discard_error_messages); |
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1744 frame.protect_var (discard_warning_messages); |
4452 | 1745 |
3815 | 1746 discard_error_messages = true; |
4452 | 1747 discard_warning_messages = true; |
2533 | 1748 |
1749 tree_expression *op1 = e->lhs (); | |
1750 tree_expression *op2 = e->rhs (); | |
1751 | |
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1752 if (op1->is_constant () && op2->is_constant ()) |
2533 | 1753 { |
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1754 octave_value tmp = e->rvalue1 (); |
2533 | 1755 |
3489 | 1756 if (! (error_state || warning_state)) |
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1757 { |
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1758 tree_constant *tc_retval |
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1759 = new tree_constant (tmp, op1->line (), op1->column ()); |
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1760 |
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1761 std::ostringstream buf; |
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1762 |
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1763 tree_print_code tpc (buf); |
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1764 |
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1765 e->accept (tpc); |
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1766 |
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1767 tc_retval->stash_original_text (buf.str ()); |
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1768 |
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1769 delete e; |
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1770 |
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1771 retval = tc_retval; |
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1772 } |
2533 | 1773 } |
3110 | 1774 |
3292 | 1775 return retval; |
1776 } | |
1777 | |
1778 static tree_expression * | |
1779 fold (tree_unary_expression *e) | |
1780 { | |
1781 tree_expression *retval = e; | |
1782 | |
10067
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1783 unwind_protect frame; |
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1784 |
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1785 frame.protect_var (error_state); |
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1786 frame.protect_var (warning_state); |
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1787 |
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1788 frame.protect_var (discard_error_messages); |
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1789 frame.protect_var (discard_warning_messages); |
4452 | 1790 |
3815 | 1791 discard_error_messages = true; |
4452 | 1792 discard_warning_messages = true; |
3292 | 1793 |
1794 tree_expression *op = e->operand (); | |
1795 | |
1796 if (op->is_constant ()) | |
1797 { | |
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1798 octave_value tmp = e->rvalue1 (); |
3292 | 1799 |
3489 | 1800 if (! (error_state || warning_state)) |
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1801 { |
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1802 tree_constant *tc_retval |
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1803 = new tree_constant (tmp, op->line (), op->column ()); |
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1804 |
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1805 std::ostringstream buf; |
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1806 |
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1807 tree_print_code tpc (buf); |
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1808 |
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1809 e->accept (tpc); |
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1810 |
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1811 tc_retval->stash_original_text (buf.str ()); |
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1812 |
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1813 delete e; |
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1814 |
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1815 retval = tc_retval; |
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1816 } |
3292 | 1817 } |
1818 | |
2533 | 1819 return retval; |
1820 } | |
1821 | |
1623 | 1822 // Finish building a range. |
1823 | |
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1824 tree_expression * |
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1825 octave_base_parser::finish_colon_expression (tree_colon_expression *e) |
1623 | 1826 { |
3110 | 1827 tree_expression *retval = e; |
1828 | |
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1829 unwind_protect frame; |
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1830 |
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1831 frame.protect_var (error_state); |
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1832 frame.protect_var (warning_state); |
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1833 |
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1834 frame.protect_var (discard_error_messages); |
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1835 frame.protect_var (discard_warning_messages); |
4452 | 1836 |
3815 | 1837 discard_error_messages = true; |
4452 | 1838 discard_warning_messages = true; |
1623 | 1839 |
2533 | 1840 tree_expression *base = e->base (); |
1841 tree_expression *limit = e->limit (); | |
1842 tree_expression *incr = e->increment (); | |
1843 | |
2970 | 1844 if (base) |
1623 | 1845 { |
2970 | 1846 if (limit) |
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1847 { |
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1848 if (base->is_constant () && limit->is_constant () |
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1849 && (! incr || (incr && incr->is_constant ()))) |
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1850 { |
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1851 octave_value tmp = e->rvalue1 (); |
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1852 |
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1853 if (! (error_state || warning_state)) |
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1854 { |
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1855 tree_constant *tc_retval |
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1856 = new tree_constant (tmp, base->line (), base->column ()); |
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1857 |
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1858 std::ostringstream buf; |
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1859 |
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1860 tree_print_code tpc (buf); |
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1861 |
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1862 e->accept (tpc); |
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1863 |
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1864 tc_retval->stash_original_text (buf.str ()); |
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1865 |
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1866 delete e; |
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1867 |
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1868 retval = tc_retval; |
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1869 } |
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1870 } |
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1871 } |
2533 | 1872 else |
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1873 { |
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1874 e->preserve_base (); |
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1875 delete e; |
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1876 |
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1877 // FIXME -- need to attempt constant folding here |
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1878 // too (we need a generic way to do that). |
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1879 retval = base; |
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1880 } |
1623 | 1881 } |
1882 | |
1883 return retval; | |
1884 } | |
1885 | |
1607 | 1886 // Make a constant. |
1887 | |
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1888 tree_constant * |
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1889 octave_base_parser::make_constant (int op, token *tok_val) |
1607 | 1890 { |
1891 int l = tok_val->line (); | |
1892 int c = tok_val->column (); | |
1893 | |
3216 | 1894 tree_constant *retval = 0; |
1607 | 1895 |
1896 switch (op) | |
1897 { | |
1898 case NUM: | |
2533 | 1899 { |
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1900 octave_value tmp (tok_val->number ()); |
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1901 retval = new tree_constant (tmp, l, c); |
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1902 retval->stash_original_text (tok_val->text_rep ()); |
2533 | 1903 } |
1607 | 1904 break; |
1905 | |
1906 case IMAG_NUM: | |
1907 { | |
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1908 octave_value tmp (Complex (0.0, tok_val->number ())); |
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1909 retval = new tree_constant (tmp, l, c); |
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1910 retval->stash_original_text (tok_val->text_rep ()); |
1607 | 1911 } |
1912 break; | |
1913 | |
5279 | 1914 case DQ_STRING: |
1915 case SQ_STRING: | |
2883 | 1916 { |
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1917 std::string txt = tok_val->text (); |
7699
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1918 |
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1919 char delim = op == DQ_STRING ? '"' : '\''; |
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1920 octave_value tmp (txt, delim); |
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1921 |
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1922 if (txt.empty ()) |
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1923 { |
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1924 if (op == DQ_STRING) |
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1925 tmp = octave_null_str::instance; |
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1926 else |
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1927 tmp = octave_null_sq_str::instance; |
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1928 } |
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1929 |
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1930 retval = new tree_constant (tmp, l, c); |
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1931 |
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1932 if (op == DQ_STRING) |
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1933 txt = undo_string_escapes (txt); |
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1934 |
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1935 // FIXME -- maybe this should also be handled by |
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1936 // tok_val->text_rep () for character strings? |
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1937 retval->stash_original_text (delim + txt + delim); |
2883 | 1938 } |
1607 | 1939 break; |
1940 | |
1941 default: | |
1942 panic_impossible (); | |
1943 break; | |
1944 } | |
1945 | |
1946 return retval; | |
1947 } | |
1948 | |
4342 | 1949 // Make a function handle. |
1950 | |
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1951 tree_fcn_handle * |
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1952 octave_base_parser::make_fcn_handle (token *tok_val) |
4342 | 1953 { |
1954 int l = tok_val->line (); | |
1955 int c = tok_val->column (); | |
1956 | |
1957 tree_fcn_handle *retval = new tree_fcn_handle (tok_val->text (), l, c); | |
1958 | |
1959 return retval; | |
1960 } | |
1961 | |
4935 | 1962 // Make an anonymous function handle. |
1963 | |
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1964 tree_anon_fcn_handle * |
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1965 octave_base_parser::make_anon_fcn_handle (tree_parameter_list *param_list, |
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1966 tree_statement *stmt) |
4935 | 1967 { |
5775 | 1968 // FIXME -- need to get these from the location of the @ symbol. |
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1969 int l = lexer.input_line_number; |
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1970 int c = lexer.current_input_column; |
4935 | 1971 |
1972 tree_parameter_list *ret_list = 0; | |
1973 | |
7336 | 1974 symbol_table::scope_id fcn_scope = symbol_table::current_scope (); |
5861 | 1975 |
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1976 if (parser_symtab_context.empty ()) |
5861 | 1977 panic_impossible (); |
1978 | |
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1979 parser_symtab_context.pop (); |
5861 | 1980 |
7351 | 1981 stmt->set_print_flag (false); |
4935 | 1982 |
1983 tree_statement_list *body = new tree_statement_list (stmt); | |
1984 | |
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1985 body->mark_as_anon_function_body (); |
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1986 |
5861 | 1987 tree_anon_fcn_handle *retval |
7336 | 1988 = new tree_anon_fcn_handle (param_list, ret_list, body, fcn_scope, l, c); |
13125
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1989 // FIXME: Stash the filename. This does not work and produces |
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1990 // errors when executed. |
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1991 //retval->stash_file_name (lexer.fcn_file_name); |
4935 | 1992 |
1993 return retval; | |
1994 } | |
1995 | |
666 | 1996 // Build a binary expression. |
1997 | |
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1998 tree_expression * |
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1999 octave_base_parser::make_binary_op (int op, tree_expression *op1, |
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2000 token *tok_val, tree_expression *op2) |
578 | 2001 { |
2883 | 2002 octave_value::binary_op t = octave_value::unknown_binary_op; |
1623 | 2003 |
578 | 2004 switch (op) |
2005 { | |
2006 case POW: | |
3525 | 2007 t = octave_value::op_pow; |
578 | 2008 break; |
777 | 2009 |
578 | 2010 case EPOW: |
3525 | 2011 t = octave_value::op_el_pow; |
578 | 2012 break; |
777 | 2013 |
578 | 2014 case '+': |
3525 | 2015 t = octave_value::op_add; |
578 | 2016 break; |
777 | 2017 |
578 | 2018 case '-': |
3525 | 2019 t = octave_value::op_sub; |
578 | 2020 break; |
777 | 2021 |
578 | 2022 case '*': |
3525 | 2023 t = octave_value::op_mul; |
578 | 2024 break; |
777 | 2025 |
578 | 2026 case '/': |
3525 | 2027 t = octave_value::op_div; |
578 | 2028 break; |
777 | 2029 |
578 | 2030 case EMUL: |
3525 | 2031 t = octave_value::op_el_mul; |
578 | 2032 break; |
777 | 2033 |
578 | 2034 case EDIV: |
3525 | 2035 t = octave_value::op_el_div; |
578 | 2036 break; |
777 | 2037 |
578 | 2038 case LEFTDIV: |
3525 | 2039 t = octave_value::op_ldiv; |
578 | 2040 break; |
777 | 2041 |
578 | 2042 case ELEFTDIV: |
3525 | 2043 t = octave_value::op_el_ldiv; |
578 | 2044 break; |
777 | 2045 |
2899 | 2046 case LSHIFT: |
3525 | 2047 t = octave_value::op_lshift; |
2899 | 2048 break; |
2049 | |
2050 case RSHIFT: | |
3525 | 2051 t = octave_value::op_rshift; |
2899 | 2052 break; |
2053 | |
578 | 2054 case EXPR_LT: |
3525 | 2055 t = octave_value::op_lt; |
578 | 2056 break; |
777 | 2057 |
578 | 2058 case EXPR_LE: |
3525 | 2059 t = octave_value::op_le; |
578 | 2060 break; |
777 | 2061 |
578 | 2062 case EXPR_EQ: |
3525 | 2063 t = octave_value::op_eq; |
578 | 2064 break; |
777 | 2065 |
578 | 2066 case EXPR_GE: |
3525 | 2067 t = octave_value::op_ge; |
578 | 2068 break; |
777 | 2069 |
578 | 2070 case EXPR_GT: |
3525 | 2071 t = octave_value::op_gt; |
578 | 2072 break; |
777 | 2073 |
578 | 2074 case EXPR_NE: |
3525 | 2075 t = octave_value::op_ne; |
578 | 2076 break; |
777 | 2077 |
578 | 2078 case EXPR_AND: |
3525 | 2079 t = octave_value::op_el_and; |
578 | 2080 break; |
777 | 2081 |
578 | 2082 case EXPR_OR: |
3525 | 2083 t = octave_value::op_el_or; |
578 | 2084 break; |
777 | 2085 |
578 | 2086 default: |
2087 panic_impossible (); | |
2088 break; | |
2089 } | |
2090 | |
2091 int l = tok_val->line (); | |
2092 int c = tok_val->column (); | |
2093 | |
2533 | 2094 tree_binary_expression *e |
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2095 = maybe_compound_binary_expression (op1, op2, l, c, t); |
1623 | 2096 |
2533 | 2097 return fold (e); |
578 | 2098 } |
2099 | |
2375 | 2100 // Build a boolean expression. |
666 | 2101 |
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2102 tree_expression * |
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2103 octave_base_parser::make_boolean_op (int op, tree_expression *op1, |
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2104 token *tok_val, tree_expression *op2) |
578 | 2105 { |
2375 | 2106 tree_boolean_expression::type t; |
2107 | |
578 | 2108 switch (op) |
2109 { | |
2375 | 2110 case EXPR_AND_AND: |
2805 | 2111 t = tree_boolean_expression::bool_and; |
578 | 2112 break; |
777 | 2113 |
2375 | 2114 case EXPR_OR_OR: |
2805 | 2115 t = tree_boolean_expression::bool_or; |
578 | 2116 break; |
777 | 2117 |
578 | 2118 default: |
2119 panic_impossible (); | |
2120 break; | |
2121 } | |
2122 | |
2123 int l = tok_val->line (); | |
2124 int c = tok_val->column (); | |
2125 | |
2533 | 2126 tree_boolean_expression *e |
2127 = new tree_boolean_expression (op1, op2, l, c, t); | |
2375 | 2128 |
2533 | 2129 return fold (e); |
578 | 2130 } |
2131 | |
2375 | 2132 // Build a prefix expression. |
666 | 2133 |
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2134 tree_expression * |
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2135 octave_base_parser::make_prefix_op (int op, tree_expression *op1, |
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2136 token *tok_val) |
578 | 2137 { |
3203 | 2138 octave_value::unary_op t = octave_value::unknown_unary_op; |
2375 | 2139 |
578 | 2140 switch (op) |
2141 { | |
2960 | 2142 case EXPR_NOT: |
3525 | 2143 t = octave_value::op_not; |
2960 | 2144 break; |
2145 | |
4965 | 2146 case '+': |
2147 t = octave_value::op_uplus; | |
2148 break; | |
2149 | |
2960 | 2150 case '-': |
3525 | 2151 t = octave_value::op_uminus; |
2960 | 2152 break; |
2153 | |
578 | 2154 case PLUS_PLUS: |
3525 | 2155 t = octave_value::op_incr; |
578 | 2156 break; |
777 | 2157 |
578 | 2158 case MINUS_MINUS: |
3525 | 2159 t = octave_value::op_decr; |
578 | 2160 break; |
777 | 2161 |
578 | 2162 default: |
2163 panic_impossible (); | |
2164 break; | |
2165 } | |
2166 | |
2167 int l = tok_val->line (); | |
2168 int c = tok_val->column (); | |
2169 | |
3292 | 2170 tree_prefix_expression *e |
2171 = new tree_prefix_expression (op1, l, c, t); | |
2172 | |
2173 return fold (e); | |
578 | 2174 } |
2175 | |
2375 | 2176 // Build a postfix expression. |
666 | 2177 |
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2178 tree_expression * |
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2179 octave_base_parser::make_postfix_op (int op, tree_expression *op1, |
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2180 token *tok_val) |
578 | 2181 { |
3203 | 2182 octave_value::unary_op t = octave_value::unknown_unary_op; |
1623 | 2183 |
578 | 2184 switch (op) |
2185 { | |
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2186 case HERMITIAN: |
3525 | 2187 t = octave_value::op_hermitian; |
2960 | 2188 break; |
2189 | |
2190 case TRANSPOSE: | |
3525 | 2191 t = octave_value::op_transpose; |
2960 | 2192 break; |
2193 | |
2375 | 2194 case PLUS_PLUS: |
3525 | 2195 t = octave_value::op_incr; |
578 | 2196 break; |
777 | 2197 |
2375 | 2198 case MINUS_MINUS: |
3525 | 2199 t = octave_value::op_decr; |
578 | 2200 break; |
777 | 2201 |
578 | 2202 default: |
2203 panic_impossible (); | |
2204 break; | |
2205 } | |
2206 | |
2207 int l = tok_val->line (); | |
2208 int c = tok_val->column (); | |
2209 | |
3292 | 2210 tree_postfix_expression *e |
2211 = new tree_postfix_expression (op1, l, c, t); | |
2212 | |
2213 return fold (e); | |
1623 | 2214 } |
2215 | |
2216 // Build an unwind-protect command. | |
2217 | |
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2218 tree_command * |
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2219 octave_base_parser::make_unwind_command (token *unwind_tok, |
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2220 tree_statement_list *body, |
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2221 tree_statement_list *cleanup_stmts, |
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2222 token *end_tok, |
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2223 octave_comment_list *lc, |
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2224 octave_comment_list *mc) |
1623 | 2225 { |
2226 tree_command *retval = 0; | |
2227 | |
2857 | 2228 if (end_token_ok (end_tok, token::unwind_protect_end)) |
1623 | 2229 { |
3665 | 2230 octave_comment_list *tc = octave_comment_buffer::get_comment (); |
2231 | |
1623 | 2232 int l = unwind_tok->line (); |
2233 int c = unwind_tok->column (); | |
2234 | |
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2235 retval = new tree_unwind_protect_command (body, cleanup_stmts, |
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2236 lc, mc, tc, l, c); |
1623 | 2237 } |
2238 | |
2239 return retval; | |
2240 } | |
2241 | |
2242 // Build a try-catch command. | |
2243 | |
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2244 tree_command * |
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2245 octave_base_parser::make_try_command (token *try_tok, |
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2246 tree_statement_list *body, |
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2247 tree_statement_list *cleanup_stmts, |
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2248 token *end_tok, |
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2249 octave_comment_list *lc, |
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2250 octave_comment_list *mc) |
1623 | 2251 { |
2252 tree_command *retval = 0; | |
2253 | |
2857 | 2254 if (end_token_ok (end_tok, token::try_catch_end)) |
1623 | 2255 { |
3665 | 2256 octave_comment_list *tc = octave_comment_buffer::get_comment (); |
2257 | |
1623 | 2258 int l = try_tok->line (); |
2259 int c = try_tok->column (); | |
2260 | |
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2261 retval = new tree_try_catch_command (body, cleanup_stmts, |
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2262 lc, mc, tc, l, c); |
1623 | 2263 } |
2264 | |
2265 return retval; | |
2266 } | |
2267 | |
2268 // Build a while command. | |
2269 | |
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2270 tree_command * |
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2271 octave_base_parser::make_while_command (token *while_tok, |
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2272 tree_expression *expr, |
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2273 tree_statement_list *body, |
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2274 token *end_tok, |
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2275 octave_comment_list *lc) |
1623 | 2276 { |
2277 tree_command *retval = 0; | |
2278 | |
2279 maybe_warn_assign_as_truth_value (expr); | |
2280 | |
2857 | 2281 if (end_token_ok (end_tok, token::while_end)) |
1623 | 2282 { |
3665 | 2283 octave_comment_list *tc = octave_comment_buffer::get_comment (); |
2284 | |
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2285 lexer.looping--; |
1623 | 2286 |
2287 int l = while_tok->line (); | |
2288 int c = while_tok->column (); | |
2289 | |
3665 | 2290 retval = new tree_while_command (expr, body, lc, tc, l, c); |
1623 | 2291 } |
2292 | |
2293 return retval; | |
2294 } | |
2295 | |
3484 | 2296 // Build a do-until command. |
2297 | |
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2298 tree_command * |
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2299 octave_base_parser::make_do_until_command (token *until_tok, |
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2300 tree_statement_list *body, |
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2301 tree_expression *expr, |
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2302 octave_comment_list *lc) |
3484 | 2303 { |
2304 tree_command *retval = 0; | |
2305 | |
2306 maybe_warn_assign_as_truth_value (expr); | |
2307 | |
3665 | 2308 octave_comment_list *tc = octave_comment_buffer::get_comment (); |
2309 | |
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2310 lexer.looping--; |
3484 | 2311 |
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2312 int l = until_tok->line (); |
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2313 int c = until_tok->column (); |
3484 | 2314 |
3665 | 2315 retval = new tree_do_until_command (expr, body, lc, tc, l, c); |
3484 | 2316 |
2317 return retval; | |
2318 } | |
2319 | |
1623 | 2320 // Build a for command. |
2321 | |
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2322 tree_command * |
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2323 octave_base_parser::make_for_command (int tok_id, token *for_tok, |
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2324 tree_argument_list *lhs, |
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2325 tree_expression *expr, |
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2326 tree_expression *maxproc, |
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2327 tree_statement_list *body, |
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2328 token *end_tok, |
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2329 octave_comment_list *lc) |
1623 | 2330 { |
2331 tree_command *retval = 0; | |
2332 | |
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2333 bool parfor = tok_id == PARFOR; |
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2334 |
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2335 if (end_token_ok (end_tok, parfor ? token::parfor_end : token::for_end)) |
1623 | 2336 { |
3665 | 2337 octave_comment_list *tc = octave_comment_buffer::get_comment (); |
2338 | |
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2339 lexer.looping--; |
1623 | 2340 |
2341 int l = for_tok->line (); | |
2342 int c = for_tok->column (); | |
2343 | |
2970 | 2344 if (lhs->length () == 1) |
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2345 { |
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2346 tree_expression *tmp = lhs->remove_front (); |
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2347 |
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2348 retval = new tree_simple_for_command (parfor, tmp, expr, maxproc, |
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2349 body, lc, tc, l, c); |
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2350 |
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2351 delete lhs; |
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2352 } |
2970 | 2353 else |
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2354 { |
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2355 if (parfor) |
16142
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2356 bison_error ("invalid syntax for parfor statement"); |
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2357 else |
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2358 retval = new tree_complex_for_command (lhs, expr, body, |
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2359 lc, tc, l, c); |
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2360 } |
1623 | 2361 } |
2362 | |
2363 return retval; | |
2364 } | |
2365 | |
4207 | 2366 // Build a break command. |
2367 | |
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2368 tree_command * |
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2369 octave_base_parser::make_break_command (token *break_tok) |
1623 | 2370 { |
4207 | 2371 tree_command *retval = 0; |
1623 | 2372 |
2620 | 2373 int l = break_tok->line (); |
2374 int c = break_tok->column (); | |
2375 | |
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2376 retval = new tree_break_command (l, c); |
1623 | 2377 |
2378 return retval; | |
2379 } | |
2380 | |
4207 | 2381 // Build a continue command. |
2382 | |
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2383 tree_command * |
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2384 octave_base_parser::make_continue_command (token *continue_tok) |
1623 | 2385 { |
4207 | 2386 tree_command *retval = 0; |
1623 | 2387 |
2620 | 2388 int l = continue_tok->line (); |
2389 int c = continue_tok->column (); | |
2390 | |
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2391 retval = new tree_continue_command (l, c); |
1623 | 2392 |
2393 return retval; | |
2394 } | |
2395 | |
4207 | 2396 // Build a return command. |
2397 | |
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2398 tree_command * |
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2399 octave_base_parser::make_return_command (token *return_tok) |
1623 | 2400 { |
4207 | 2401 tree_command *retval = 0; |
1623 | 2402 |
2620 | 2403 int l = return_tok->line (); |
2404 int c = return_tok->column (); | |
2405 | |
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2406 retval = new tree_return_command (l, c); |
1623 | 2407 |
2408 return retval; | |
2409 } | |
2410 | |
2411 // Start an if command. | |
2412 | |
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2413 tree_if_command_list * |
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2414 octave_base_parser::start_if_command (tree_expression *expr, |
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2415 tree_statement_list *list) |
1623 | 2416 { |
2417 maybe_warn_assign_as_truth_value (expr); | |
2418 | |
2419 tree_if_clause *t = new tree_if_clause (expr, list); | |
2420 | |
2421 return new tree_if_command_list (t); | |
2422 } | |
2423 | |
2424 // Finish an if command. | |
2425 | |
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2426 tree_if_command * |
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2427 octave_base_parser::finish_if_command (token *if_tok, |
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2428 tree_if_command_list *list, |
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2429 token *end_tok, |
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2430 octave_comment_list *lc) |
1623 | 2431 { |
2432 tree_if_command *retval = 0; | |
2433 | |
2857 | 2434 if (end_token_ok (end_tok, token::if_end)) |
1623 | 2435 { |
3665 | 2436 octave_comment_list *tc = octave_comment_buffer::get_comment (); |
2437 | |
1623 | 2438 int l = if_tok->line (); |
2439 int c = if_tok->column (); | |
2440 | |
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2441 if (list && ! list->empty ()) |
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2442 { |
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2443 tree_if_clause *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_if_command (list, lc, tc, l, c); |
1623 | 2453 } |
2454 | |
2455 return retval; | |
2456 } | |
2457 | |
2458 // Build an elseif clause. | |
2459 | |
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2460 tree_if_clause * |
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2461 octave_base_parser::make_elseif_clause (token *elseif_tok, |
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2462 tree_expression *expr, |
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2463 tree_statement_list *list, |
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2464 octave_comment_list *lc) |
1623 | 2465 { |
2466 maybe_warn_assign_as_truth_value (expr); | |
2467 | |
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2468 int l = elseif_tok->line (); |
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2469 int c = elseif_tok->column (); |
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2470 |
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|
2471 return new tree_if_clause (expr, list, lc, l, c); |
1623 | 2472 } |
2473 | |
2764 | 2474 // Finish a switch command. |
2475 | |
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2476 tree_switch_command * |
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2477 octave_base_parser::finish_switch_command (token *switch_tok, |
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2478 tree_expression *expr, |
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2479 tree_switch_case_list *list, |
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2480 token *end_tok, |
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2481 octave_comment_list *lc) |
2764 | 2482 { |
2483 tree_switch_command *retval = 0; | |
2484 | |
2857 | 2485 if (end_token_ok (end_tok, token::switch_end)) |
2764 | 2486 { |
3665 | 2487 octave_comment_list *tc = octave_comment_buffer::get_comment (); |
2488 | |
2764 | 2489 int l = switch_tok->line (); |
2490 int c = switch_tok->column (); | |
2491 | |
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2492 if (list && ! list->empty ()) |
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2493 { |
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2494 tree_switch_case *elt = list->front (); |
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2495 |
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2496 if (elt) |
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2497 { |
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2498 elt->line (l); |
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2499 elt->column (c); |
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2500 } |
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2501 } |
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2502 |
3665 | 2503 retval = new tree_switch_command (expr, list, lc, tc, l, c); |
2764 | 2504 } |
2505 | |
2506 return retval; | |
2507 } | |
2508 | |
2509 // Build a switch case. | |
2510 | |
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2511 tree_switch_case * |
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2512 octave_base_parser::make_switch_case (token *case_tok, |
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2513 tree_expression *expr, |
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2514 tree_statement_list *list, |
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2515 octave_comment_list *lc) |
2764 | 2516 { |
2517 maybe_warn_variable_switch_label (expr); | |
2518 | |
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|
2519 int l = case_tok->line (); |
73c4516fae10
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diff
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|
2520 int c = case_tok->column (); |
73c4516fae10
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diff
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|
2521 |
73c4516fae10
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diff
changeset
|
2522 return new tree_switch_case (expr, list, lc, l, c); |
2764 | 2523 } |
2524 | |
1623 | 2525 // Build an assignment to a variable. |
2526 | |
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diff
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|
2527 tree_expression * |
16287
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|
2528 octave_base_parser::make_assign_op (int op, tree_argument_list *lhs, |
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|
2529 token *eq_tok, tree_expression *rhs) |
1623 | 2530 { |
2970 | 2531 tree_expression *retval = 0; |
2532 | |
2883 | 2533 octave_value::assign_op t = octave_value::unknown_assign_op; |
2534 | |
2535 switch (op) | |
2536 { | |
2537 case '=': | |
3525 | 2538 t = octave_value::op_asn_eq; |
2883 | 2539 break; |
2540 | |
2541 case ADD_EQ: | |
3525 | 2542 t = octave_value::op_add_eq; |
2883 | 2543 break; |
2544 | |
2545 case SUB_EQ: | |
3525 | 2546 t = octave_value::op_sub_eq; |
2883 | 2547 break; |
2548 | |
2549 case MUL_EQ: | |
3525 | 2550 t = octave_value::op_mul_eq; |
2883 | 2551 break; |
2552 | |
2553 case DIV_EQ: | |
3525 | 2554 t = octave_value::op_div_eq; |
2883 | 2555 break; |
2556 | |
3204 | 2557 case LEFTDIV_EQ: |
3525 | 2558 t = octave_value::op_ldiv_eq; |
3204 | 2559 break; |
2560 | |
4018 | 2561 case POW_EQ: |
2562 t = octave_value::op_pow_eq; | |
2563 break; | |
2564 | |
2899 | 2565 case LSHIFT_EQ: |
3525 | 2566 t = octave_value::op_lshift_eq; |
2899 | 2567 break; |
2568 | |
2569 case RSHIFT_EQ: | |
3525 | 2570 t = octave_value::op_rshift_eq; |
2899 | 2571 break; |
2572 | |
2883 | 2573 case EMUL_EQ: |
3525 | 2574 t = octave_value::op_el_mul_eq; |
2883 | 2575 break; |
2576 | |
2577 case EDIV_EQ: | |
3525 | 2578 t = octave_value::op_el_div_eq; |
2883 | 2579 break; |
2580 | |
3204 | 2581 case ELEFTDIV_EQ: |
3525 | 2582 t = octave_value::op_el_ldiv_eq; |
3204 | 2583 break; |
2584 | |
4018 | 2585 case EPOW_EQ: |
2586 t = octave_value::op_el_pow_eq; | |
2587 break; | |
2588 | |
2883 | 2589 case AND_EQ: |
3525 | 2590 t = octave_value::op_el_and_eq; |
2883 | 2591 break; |
2592 | |
2593 case OR_EQ: | |
3525 | 2594 t = octave_value::op_el_or_eq; |
2883 | 2595 break; |
2596 | |
2597 default: | |
2598 panic_impossible (); | |
2599 break; | |
2600 } | |
2601 | |
1623 | 2602 int l = eq_tok->line (); |
2603 int c = eq_tok->column (); | |
2604 | |
5841 | 2605 if (lhs->is_simple_assign_lhs ()) |
666 | 2606 { |
2970 | 2607 tree_expression *tmp = lhs->remove_front (); |
2608 | |
2609 retval = new tree_simple_assignment (tmp, rhs, false, l, c, t); | |
2610 | |
2611 delete lhs; | |
666 | 2612 } |
10230
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Jaroslav Hajek <highegg@gmail.com>
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|
2613 else if (t == octave_value::op_asn_eq) |
0a5a769b8fc0
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|
2614 return new tree_multi_assignment (lhs, rhs, false, l, c); |
666 | 2615 else |
16142
26d65d677557
rename yyerror to bison_error and make it a member of octave_parser class
John W. Eaton <jwe@octave.org>
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16139
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|
2616 bison_error ("computed multiple assignment not allowed"); |
666 | 2617 |
2618 return retval; | |
2619 } | |
751 | 2620 |
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|
2621 // Define a script. |
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2622 |
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|
2623 void |
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2624 octave_base_parser::make_script (tree_statement_list *cmds, |
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2625 tree_statement *end_script) |
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2626 { |
8658
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2627 if (! cmds) |
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New evaluator and debugger derived from tree-walker class
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2628 cmds = new tree_statement_list (); |
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2629 |
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2630 cmds->append (end_script); |
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2631 |
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|
2632 octave_user_script *script |
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2633 = new octave_user_script (lexer.fcn_file_full_name, |
fe3b9a51e625
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2634 lexer.fcn_file_name, |
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|
2635 cmds, lexer.help_text); |
fe3b9a51e625
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2636 |
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|
2637 lexer.help_text = ""; |
7715
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|
2638 |
5b4d278ec828
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diff
changeset
|
2639 octave_time now; |
5b4d278ec828
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diff
changeset
|
2640 |
5b4d278ec828
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|
2641 script->stash_fcn_file_time (now); |
5b4d278ec828
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parents:
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|
2642 |
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diff
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|
2643 primary_fcn_ptr = script; |
7715
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diff
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|
2644 } |
5b4d278ec828
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|
2645 |
1623 | 2646 // Begin defining a function. |
2647 | |
16134
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move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2648 octave_user_function * |
16287
04a7953496a7
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diff
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|
2649 octave_base_parser::start_function (tree_parameter_list *param_list, |
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create base class for parser; use reference for curr_lexer
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|
2650 tree_statement_list *body, |
04a7953496a7
create base class for parser; use reference for curr_lexer
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diff
changeset
|
2651 tree_statement *end_fcn_stmt) |
1623 | 2652 { |
2891 | 2653 // We'll fill in the return list later. |
2654 | |
8658
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New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
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|
2655 if (! body) |
73c4516fae10
New evaluator and debugger derived from tree-walker class
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changeset
|
2656 body = new tree_statement_list (); |
73c4516fae10
New evaluator and debugger derived from tree-walker class
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diff
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|
2657 |
73c4516fae10
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diff
changeset
|
2658 body->append (end_fcn_stmt); |
73c4516fae10
New evaluator and debugger derived from tree-walker class
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diff
changeset
|
2659 |
2891 | 2660 octave_user_function *fcn |
7336 | 2661 = 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
|
2662 param_list, 0, body); |
1623 | 2663 |
3665 | 2664 if (fcn) |
2665 { | |
2666 octave_comment_list *tc = octave_comment_buffer::get_comment (); | |
2667 | |
2668 fcn->stash_trailing_comment (tc); | |
2669 } | |
2670 | |
1623 | 2671 return fcn; |
2672 } | |
2673 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2674 tree_statement * |
16287
04a7953496a7
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changeset
|
2675 octave_base_parser::make_end (const std::string& type, int l, int c) |
8658
73c4516fae10
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John W. Eaton <jwe@octave.org>
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diff
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|
2676 { |
73c4516fae10
New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2677 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>
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diff
changeset
|
2678 } |
73c4516fae10
New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2679 |
1623 | 2680 // Do most of the work for defining a function. |
2681 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2682 octave_user_function * |
16287
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2683 octave_base_parser::frob_function (const std::string& fname, |
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
2684 octave_user_function *fcn) |
1623 | 2685 { |
4872 | 2686 std::string id_name = fname; |
1623 | 2687 |
2688 // If input is coming from a file, issue a warning if the name of | |
2689 // the file does not match the name of the function stated in the | |
2690 // file. Matlab doesn't provide a diagnostic (it ignores the stated | |
2691 // name). | |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
2692 if (! autoloading && lexer.reading_fcn_file |
16153
a57c2c8c8163
move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16151
diff
changeset
|
2693 && curr_fcn_depth == 1 && ! parsing_subfunctions) |
9474
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2694 { |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
2695 // FIXME -- should lexer.fcn_file_name already be |
9474
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2696 // 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
|
2697 // problem with relative file names. |
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
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diff
changeset
|
2698 |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
2699 std::string nm = lexer.fcn_file_name; |
9474
25ed2d6aacf6
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diff
changeset
|
2700 |
25ed2d6aacf6
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David Grundberg <individ@acc.umu.se>
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diff
changeset
|
2701 size_t pos = nm.find_last_of (file_ops::dir_sep_chars ()); |
25ed2d6aacf6
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|
2702 |
25ed2d6aacf6
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diff
changeset
|
2703 if (pos != std::string::npos) |
16288
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|
2704 nm = lexer.fcn_file_name.substr (pos+1); |
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|
2705 |
25ed2d6aacf6
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diff
changeset
|
2706 if (nm != id_name) |
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|
2707 { |
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|
2708 warning_with_id |
57a59eae83cc
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|
2709 ("Octave:function-name-clash", |
15466
d174210ce1ec
use ' instead of ` in error messages, warnings and most comments
John W. Eaton <jwe@octave.org>
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14189
diff
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|
2710 "function name '%s' does not agree with function file name '%s'", |
16288
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|
2711 id_name.c_str (), lexer.fcn_file_full_name.c_str ()); |
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|
2712 |
57a59eae83cc
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|
2713 id_name = nm; |
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diff
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|
2714 } |
25ed2d6aacf6
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|
2715 } |
1623 | 2716 |
16288
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|
2717 if (lexer.reading_fcn_file || lexer.reading_classdef_file || autoloading) |
1623 | 2718 { |
3712 | 2719 octave_time now; |
3162 | 2720 |
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|
2721 fcn->stash_fcn_file_name (lexer.fcn_file_full_name); |
3162 | 2722 fcn->stash_fcn_file_time (now); |
1623 | 2723 fcn->mark_as_system_fcn_file (); |
3162 | 2724 |
6323 | 2725 if (fcn_file_from_relative_lookup) |
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|
2726 fcn->mark_relative (); |
6323 | 2727 |
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|
2728 if (curr_fcn_depth > 1 || parsing_subfunctions) |
7968
0d607e8dbbfa
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|
2729 { |
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|
2730 fcn->stash_parent_fcn_name (lexer.fcn_file_name); |
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|
2731 |
16153
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|
2732 if (curr_fcn_depth > 1) |
14846
460a3c6d8bf1
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diff
changeset
|
2733 fcn->stash_parent_fcn_scope (function_scopes[function_scopes.size ()-2]); |
14544
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diff
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|
2734 else |
be18c9e359bf
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diff
changeset
|
2735 fcn->stash_parent_fcn_scope (primary_fcn_scope); |
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|
2736 } |
6323 | 2737 |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
2738 if (lexer.parsing_class_method) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2739 { |
16153
a57c2c8c8163
move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16151
diff
changeset
|
2740 if (curr_class_name == id_name) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2741 fcn->mark_as_class_constructor (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2742 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2743 fcn->mark_as_class_method (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2744 |
16153
a57c2c8c8163
move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16151
diff
changeset
|
2745 fcn->stash_dispatch_class (curr_class_name); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2746 } |
7336 | 2747 |
5781 | 2748 std::string nm = fcn->fcn_file_name (); |
2749 | |
2750 file_stat fs (nm); | |
2751 | |
2752 if (fs && fs.is_newer (now)) | |
2753 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
|
2754 "time stamp for '%s' is in the future", nm.c_str ()); |
1623 | 2755 } |
16203
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
2756 else if (! input_from_tmp_history_file |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
2757 && ! lexer.force_script |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
2758 && lexer.reading_script_file |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
2759 && lexer.fcn_file_name == id_name) |
1623 | 2760 { |
15466
d174210ce1ec
use ' instead of ` in error messages, warnings and most comments
John W. Eaton <jwe@octave.org>
parents:
14189
diff
changeset
|
2761 warning ("function '%s' defined within script file '%s'", |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
2762 id_name.c_str (), lexer.fcn_file_full_name.c_str ()); |
1623 | 2763 } |
2764 | |
4872 | 2765 fcn->stash_function_name (id_name); |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
2766 fcn->stash_fcn_location (lexer.input_line_number, |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
2767 lexer.current_input_column); |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
2768 |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
2769 if (! lexer.help_text.empty () && curr_fcn_depth == 1 |
9474
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2770 && ! parsing_subfunctions) |
7336 | 2771 { |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
2772 fcn->document (lexer.help_text); |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
2773 |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
2774 lexer.help_text = ""; |
7336 | 2775 } |
2776 | |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
2777 if (lexer.reading_fcn_file && curr_fcn_depth == 1 |
9474
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2778 && ! parsing_subfunctions) |
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2779 primary_fcn_ptr = fcn; |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
2780 |
1623 | 2781 return fcn; |
2782 } | |
2783 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2784 tree_function_def * |
16287
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
2785 octave_base_parser::finish_function (tree_parameter_list *ret_list, |
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
2786 octave_user_function *fcn, |
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
2787 octave_comment_list *lc) |
1623 | 2788 { |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2789 tree_function_def *retval = 0; |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2790 |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2791 if (ret_list) |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2792 ret_list->mark_as_formal_parameters (); |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2793 |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2794 if (fcn) |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2795 { |
7761
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7755
diff
changeset
|
2796 std::string nm = fcn->name (); |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7755
diff
changeset
|
2797 std::string file = fcn->fcn_file_name (); |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7755
diff
changeset
|
2798 |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7755
diff
changeset
|
2799 std::string tmp = nm; |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7755
diff
changeset
|
2800 if (! file.empty ()) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2801 tmp += ": " + file; |
7761
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7755
diff
changeset
|
2802 |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7755
diff
changeset
|
2803 symbol_table::cache_name (fcn->scope (), tmp); |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7755
diff
changeset
|
2804 |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2805 if (lc) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2806 fcn->stash_leading_comment (lc); |
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 fcn->define_ret_list (ret_list); |
7755
ea9cb4d68dbf
avoid installing subfunctions twice
John W. Eaton <jwe@octave.org>
parents:
7750
diff
changeset
|
2809 |
16153
a57c2c8c8163
move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16151
diff
changeset
|
2810 if (curr_fcn_depth > 1 || parsing_subfunctions) |
9474
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2811 { |
11461
2b8531a6a3c9
Change mentions of "nested function" to the less misleading "subfunction"
David Grundberg <individ@acc.umu.se>
parents:
11388
diff
changeset
|
2812 fcn->mark_as_subfunction (); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2813 |
14544
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
2814 if (endfunction_found && function_scopes.size () > 1) |
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
2815 { |
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
2816 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
|
2817 = function_scopes[function_scopes.size ()-2]; |
14544
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
2818 |
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
2819 symbol_table::install_nestfunction (nm, octave_value (fcn), |
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
2820 pscope); |
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
2821 } |
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
2822 else |
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
2823 symbol_table::install_subfunction (nm, octave_value (fcn), |
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
2824 primary_fcn_scope); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2825 } |
9474
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2826 |
16153
a57c2c8c8163
move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16151
diff
changeset
|
2827 if (curr_fcn_depth == 1 && fcn) |
14544
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
2828 symbol_table::update_nest (fcn->scope ()); |
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
2829 |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
2830 if (! lexer.reading_fcn_file && curr_fcn_depth == 1) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2831 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2832 // 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
|
2833 // 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
|
2834 // 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
|
2835 // 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
|
2836 // 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
|
2837 // 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
|
2838 // 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
|
2839 // parse_fcn_file, and |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2840 // 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
|
2841 |
5f8971be8e12
parse.y (finish_function): retrun function object unless parsing function file
John W. Eaton <jwe@octave.org>
parents:
9506
diff
changeset
|
2842 retval = new tree_function_def (fcn); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2843 } |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2844 } |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2845 |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2846 return retval; |
1623 | 2847 } |
2848 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2849 void |
16287
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
2850 octave_base_parser::recover_from_parsing_function (void) |
2883 | 2851 { |
14329
8d1ae996c122
also save and restore symbol table context in parser (bug #35448)
John W. Eaton <jwe@octave.org>
parents:
14294
diff
changeset
|
2852 if (parser_symtab_context.empty ()) |
3903 | 2853 panic_impossible (); |
2854 | |
14329
8d1ae996c122
also save and restore symbol table context in parser (bug #35448)
John W. Eaton <jwe@octave.org>
parents:
14294
diff
changeset
|
2855 parser_symtab_context.pop (); |
2883 | 2856 |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
2857 if (lexer.reading_fcn_file && curr_fcn_depth == 1 |
9474
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2858 && ! parsing_subfunctions) |
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2859 parsing_subfunctions = true; |
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2860 |
16153
a57c2c8c8163
move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16151
diff
changeset
|
2861 curr_fcn_depth--; |
14544
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
2862 function_scopes.pop_back (); |
9474
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2863 |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
2864 lexer.defining_func--; |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
2865 lexer.parsed_function_name.pop (); |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
2866 lexer.looking_at_return_list = false; |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
2867 lexer.looking_at_parameter_list = false; |
2883 | 2868 } |
2869 | |
16155
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2870 tree_funcall * |
16289
bde729ba8381
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2871 octave_base_parser::make_superclass_ref (const std::string& method_nm, |
bde729ba8381
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2872 const std::string& package_nm, |
bde729ba8381
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2873 const std::string& class_nm, |
bde729ba8381
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2874 int l, int c) |
16155
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2875 { |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2876 octave_value_list args; |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2877 |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2878 args(2) = class_nm; |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2879 args(1) = package_nm; |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2880 args(0) = method_nm; |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2881 |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2882 octave_value fcn |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2883 = symbol_table::find_built_in_function ("__superclass_reference__"); |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2884 |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2885 return new tree_funcall (fcn, args); |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2886 } |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2887 |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2888 tree_funcall * |
16289
bde729ba8381
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2889 octave_base_parser::make_meta_class_query (const std::string& package_nm, |
bde729ba8381
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2890 const std::string& class_nm, |
bde729ba8381
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2891 int l, int c) |
16155
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2892 { |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2893 octave_value_list args; |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2894 |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2895 args(1) = class_nm; |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2896 args(0) = package_nm; |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2897 |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2898 octave_value fcn |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2899 = symbol_table::find_built_in_function ("__meta_class_query__"); |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2900 |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2901 return new tree_funcall (fcn, args); |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2902 } |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2903 |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2904 // A CLASSDEF block defines a class that has a constructor and other |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2905 // methods, but it is not an executable command. Parsing the block |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2906 // makes some changes in the symbol table (inserting the constructor |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2907 // and methods, and adding to the list of known objects) and creates |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2908 // a parse tree containing meta information about the class. |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2909 |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2910 tree_classdef * |
16289
bde729ba8381
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2911 octave_base_parser::make_classdef (token *tok_val, |
bde729ba8381
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2912 tree_classdef_attribute_list *a, |
bde729ba8381
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2913 tree_identifier *id, |
bde729ba8381
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2914 tree_classdef_superclass_list *sc, |
bde729ba8381
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2915 tree_classdef_body *body, token *end_tok, |
bde729ba8381
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2916 octave_comment_list *lc) |
16155
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2917 { |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2918 tree_classdef *retval = 0; |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2919 |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2920 std::string cls_name = id->name (); |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2921 |
16289
bde729ba8381
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2922 std::string nm = lexer.fcn_file_name; |
16155
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2923 |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2924 size_t pos = nm.find_last_of (file_ops::dir_sep_chars ()); |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2925 |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2926 if (pos != std::string::npos) |
16289
bde729ba8381
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2927 nm = lexer.fcn_file_name.substr (pos+1); |
16155
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2928 |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2929 if (nm != cls_name) |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2930 { |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2931 bison_error ("invalid classdef definition, the class name must match the file name"); |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2932 return retval; |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2933 } |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2934 |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2935 if (end_token_ok (end_tok, token::classdef_end)) |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2936 { |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2937 octave_comment_list *tc = octave_comment_buffer::get_comment (); |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2938 |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2939 int l = tok_val->line (); |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2940 int c = tok_val->column (); |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2941 |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2942 retval = new tree_classdef (a, id, sc, body, lc, tc, l, c); |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2943 } |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2944 |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2945 return retval; |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2946 } |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2947 |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2948 tree_classdef_properties_block * |
16289
bde729ba8381
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2949 octave_base_parser::make_classdef_properties_block (token *tok_val, |
bde729ba8381
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2950 tree_classdef_attribute_list *a, |
bde729ba8381
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2951 tree_classdef_property_list *plist, |
bde729ba8381
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2952 token *end_tok, |
bde729ba8381
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2953 octave_comment_list *lc) |
16155
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2954 { |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2955 tree_classdef_properties_block *retval = 0; |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2956 |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2957 if (end_token_ok (end_tok, token::properties_end)) |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2958 { |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2959 octave_comment_list *tc = octave_comment_buffer::get_comment (); |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2960 |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2961 int l = tok_val->line (); |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2962 int c = tok_val->column (); |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2963 |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2964 retval = new tree_classdef_properties_block (a, plist, lc, tc, l, c); |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2965 } |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2966 |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2967 return retval; |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2968 } |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2969 |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2970 tree_classdef_methods_block * |
16289
bde729ba8381
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2971 octave_base_parser::make_classdef_methods_block (token *tok_val, |
bde729ba8381
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2972 tree_classdef_attribute_list *a, |
bde729ba8381
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2973 tree_classdef_methods_list *mlist, |
bde729ba8381
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2974 token *end_tok, |
bde729ba8381
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2975 octave_comment_list *lc) |
16155
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2976 { |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2977 tree_classdef_methods_block *retval = 0; |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2978 |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2979 if (end_token_ok (end_tok, token::methods_end)) |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2980 { |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2981 octave_comment_list *tc = octave_comment_buffer::get_comment (); |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2982 |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2983 int l = tok_val->line (); |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2984 int c = tok_val->column (); |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2985 |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2986 retval = new tree_classdef_methods_block (a, mlist, lc, tc, l, c); |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2987 } |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2988 |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2989 return retval; |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2990 } |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2991 |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2992 tree_classdef_events_block * |
16289
bde729ba8381
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2993 octave_base_parser::make_classdef_events_block (token *tok_val, |
bde729ba8381
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2994 tree_classdef_attribute_list *a, |
bde729ba8381
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2995 tree_classdef_events_list *elist, |
bde729ba8381
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2996 token *end_tok, |
bde729ba8381
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2997 octave_comment_list *lc) |
16155
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2998 { |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
2999 tree_classdef_events_block *retval = 0; |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
3000 |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
3001 if (end_token_ok (end_tok, token::events_end)) |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
3002 { |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
3003 octave_comment_list *tc = octave_comment_buffer::get_comment (); |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
3004 |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
3005 int l = tok_val->line (); |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
3006 int c = tok_val->column (); |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
3007 |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
3008 retval = new tree_classdef_events_block (a, elist, lc, tc, l, c); |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
3009 } |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
3010 |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
3011 return retval; |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
3012 } |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
3013 |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
3014 tree_classdef_enum_block * |
16289
bde729ba8381
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
3015 octave_base_parser::make_classdef_enum_block (token *tok_val, |
bde729ba8381
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
3016 tree_classdef_attribute_list *a, |
bde729ba8381
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
3017 tree_classdef_enum_list *elist, |
bde729ba8381
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
3018 token *end_tok, |
bde729ba8381
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
3019 octave_comment_list *lc) |
16155
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
3020 { |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
3021 tree_classdef_enum_block *retval = 0; |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
3022 |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
3023 if (end_token_ok (end_tok, token::enumeration_end)) |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
3024 { |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
3025 octave_comment_list *tc = octave_comment_buffer::get_comment (); |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
3026 |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
3027 int l = tok_val->line (); |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
3028 int c = tok_val->column (); |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
3029 |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
3030 retval = new tree_classdef_enum_block (a, elist, lc, tc, l, c); |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
3031 } |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
3032 |
0259254a3ccc
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
3033 return retval; |
2883 | 3034 } |
3035 | |
2846 | 3036 // Make an index expression. |
3037 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
3038 tree_index_expression * |
16287
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
3039 octave_base_parser::make_index_expression (tree_expression *expr, |
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
3040 tree_argument_list *args, |
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
3041 char type) |
751 | 3042 { |
3043 tree_index_expression *retval = 0; | |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
3044 |
10206
37a08e0ce2dc
support Matlab-style empty output/input arguments
Jaroslav Hajek <highegg@gmail.com>
parents:
10188
diff
changeset
|
3045 if (args && args->has_magic_tilde ()) |
37a08e0ce2dc
support Matlab-style empty output/input arguments
Jaroslav Hajek <highegg@gmail.com>
parents:
10188
diff
changeset
|
3046 { |
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
|
3047 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
|
3048 return retval; |
37a08e0ce2dc
support Matlab-style empty output/input arguments
Jaroslav Hajek <highegg@gmail.com>
parents:
10188
diff
changeset
|
3049 } |
751 | 3050 |
2970 | 3051 int l = expr->line (); |
3052 int c = expr->column (); | |
3053 | |
15954
46ca8488de92
Re-engineer tree_expression postfix handling to make it more flexible.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
15895
diff
changeset
|
3054 if (! expr->is_postfix_indexed ()) |
46ca8488de92
Re-engineer tree_expression postfix handling to make it more flexible.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
15895
diff
changeset
|
3055 expr->set_postfix_index (type); |
2970 | 3056 |
3933 | 3057 if (expr->is_index_expression ()) |
3058 { | |
3059 tree_index_expression *tmp = static_cast<tree_index_expression *> (expr); | |
3060 | |
3061 tmp->append (args, type); | |
3062 | |
3063 retval = tmp; | |
3064 } | |
3065 else | |
3066 retval = new tree_index_expression (expr, args, l, c, type); | |
2970 | 3067 |
3068 return retval; | |
3069 } | |
3070 | |
3071 // Make an indirect reference expression. | |
3072 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
3073 tree_index_expression * |
16287
04a7953496a7
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John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
3074 octave_base_parser::make_indirect_ref (tree_expression *expr, |
04a7953496a7
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John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
3075 const std::string& elt) |
2970 | 3076 { |
3930 | 3077 tree_index_expression *retval = 0; |
2970 | 3078 |
3079 int l = expr->line (); | |
3080 int c = expr->column (); | |
3081 | |
15954
46ca8488de92
Re-engineer tree_expression postfix handling to make it more flexible.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
15895
diff
changeset
|
3082 if (! expr->is_postfix_indexed ()) |
46ca8488de92
Re-engineer tree_expression postfix handling to make it more flexible.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
15895
diff
changeset
|
3083 expr->set_postfix_index ('.'); |
46ca8488de92
Re-engineer tree_expression postfix handling to make it more flexible.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
15895
diff
changeset
|
3084 |
3933 | 3085 if (expr->is_index_expression ()) |
3086 { | |
3087 tree_index_expression *tmp = static_cast<tree_index_expression *> (expr); | |
3088 | |
3089 tmp->append (elt); | |
3090 | |
3091 retval = tmp; | |
3092 } | |
3093 else | |
3094 retval = new tree_index_expression (expr, elt, l, c); | |
2970 | 3095 |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
3096 lexer.looking_at_indirect_ref = false; |
751 | 3097 |
3098 return retval; | |
3099 } | |
1511 | 3100 |
4131 | 3101 // Make an indirect reference expression with dynamic field name. |
3102 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
3103 tree_index_expression * |
16289
bde729ba8381
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
3104 octave_base_parser::make_indirect_ref (tree_expression *expr, |
bde729ba8381
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
3105 tree_expression *elt) |
4131 | 3106 { |
3107 tree_index_expression *retval = 0; | |
3108 | |
3109 int l = expr->line (); | |
3110 int c = expr->column (); | |
3111 | |
15954
46ca8488de92
Re-engineer tree_expression postfix handling to make it more flexible.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
15895
diff
changeset
|
3112 if (! expr->is_postfix_indexed ()) |
46ca8488de92
Re-engineer tree_expression postfix handling to make it more flexible.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
15895
diff
changeset
|
3113 expr->set_postfix_index ('.'); |
46ca8488de92
Re-engineer tree_expression postfix handling to make it more flexible.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
15895
diff
changeset
|
3114 |
4131 | 3115 if (expr->is_index_expression ()) |
3116 { | |
3117 tree_index_expression *tmp = static_cast<tree_index_expression *> (expr); | |
3118 | |
3119 tmp->append (elt); | |
3120 | |
3121 retval = tmp; | |
3122 } | |
3123 else | |
3124 retval = new tree_index_expression (expr, elt, l, c); | |
3125 | |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
3126 lexer.looking_at_indirect_ref = false; |
4131 | 3127 |
3128 return retval; | |
3129 } | |
3130 | |
2846 | 3131 // Make a declaration command. |
3132 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
3133 tree_decl_command * |
16287
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
3134 octave_base_parser::make_decl_command (int tok, token *tok_val, |
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
3135 tree_decl_init_list *lst) |
2846 | 3136 { |
3137 tree_decl_command *retval = 0; | |
3138 | |
3139 int l = tok_val->line (); | |
3140 int c = tok_val->column (); | |
3141 | |
3142 switch (tok) | |
3143 { | |
3144 case GLOBAL: | |
3145 retval = new tree_global_command (lst, l, c); | |
3146 break; | |
3147 | |
14294
9e3983c8963c
deprecate the static keyword
John W. Eaton <jwe@octave.org>
parents:
14293
diff
changeset
|
3148 case PERSISTENT: |
16153
a57c2c8c8163
move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16151
diff
changeset
|
3149 if (curr_fcn_depth > 0) |
14294
9e3983c8963c
deprecate the static keyword
John W. Eaton <jwe@octave.org>
parents:
14293
diff
changeset
|
3150 retval = new tree_persistent_command (lst, l, c); |
2846 | 3151 else |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3152 { |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
3153 if (lexer.reading_script_file) |
15466
d174210ce1ec
use ' instead of ` in error messages, warnings and most comments
John W. Eaton <jwe@octave.org>
parents:
14189
diff
changeset
|
3154 warning ("ignoring persistent declaration near line %d of file '%s'", |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
3155 l, lexer.fcn_file_full_name.c_str ()); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3156 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3157 warning ("ignoring persistent declaration near line %d", l); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3158 } |
2846 | 3159 break; |
3160 | |
3161 default: | |
3162 panic_impossible (); | |
3163 break; | |
3164 } | |
3165 | |
3166 return retval; | |
3167 } | |
3168 | |
16273
c5e5f6ccac5d
9/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3169 bool |
16287
04a7953496a7
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John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
3170 octave_base_parser::validate_array_list (tree_expression *e) |
16273
c5e5f6ccac5d
9/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents:
16265
diff
changeset
|
3171 { |
c5e5f6ccac5d
9/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3172 bool retval = true; |
c5e5f6ccac5d
9/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents:
16265
diff
changeset
|
3173 |
c5e5f6ccac5d
9/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents:
16265
diff
changeset
|
3174 tree_array_list *al = dynamic_cast<tree_array_list *> (e); |
c5e5f6ccac5d
9/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3175 |
c5e5f6ccac5d
9/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents:
16265
diff
changeset
|
3176 for (tree_array_list::iterator i = al->begin (); i != al->end (); i++) |
c5e5f6ccac5d
9/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3177 { |
c5e5f6ccac5d
9/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents:
16265
diff
changeset
|
3178 tree_argument_list *row = *i; |
c5e5f6ccac5d
9/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3179 |
c5e5f6ccac5d
9/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents:
16265
diff
changeset
|
3180 if (row && row->has_magic_tilde ()) |
c5e5f6ccac5d
9/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3181 { |
c5e5f6ccac5d
9/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3182 retval = false; |
c5e5f6ccac5d
9/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents:
16265
diff
changeset
|
3183 if (e->is_matrix ()) |
c5e5f6ccac5d
9/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents:
16265
diff
changeset
|
3184 bison_error ("invalid use of tilde (~) in matrix expression"); |
c5e5f6ccac5d
9/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3185 else |
c5e5f6ccac5d
9/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3186 bison_error ("invalid use of tilde (~) in cell expression"); |
c5e5f6ccac5d
9/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3187 break; |
c5e5f6ccac5d
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John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3188 } |
c5e5f6ccac5d
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parents:
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diff
changeset
|
3189 } |
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parents:
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diff
changeset
|
3190 |
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parents:
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diff
changeset
|
3191 return retval; |
c5e5f6ccac5d
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John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3192 } |
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parents:
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diff
changeset
|
3193 |
16134
ec9c6222ef5a
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John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
3194 tree_argument_list * |
16287
04a7953496a7
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John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
3195 octave_base_parser::validate_matrix_for_assignment (tree_expression *e) |
10207
76a880a588ce
error when using ~ in matrix expression
Jaroslav Hajek <highegg@gmail.com>
parents:
10206
diff
changeset
|
3196 { |
16273
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9/10 commits reworking the lexer
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parents:
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diff
changeset
|
3197 tree_argument_list *retval = 0; |
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parents:
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changeset
|
3198 |
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parents:
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changeset
|
3199 if (e->is_constant ()) |
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9/10 commits reworking the lexer
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parents:
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diff
changeset
|
3200 { |
16285
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John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3201 octave_value ov = e->rvalue1 (); |
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parents:
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diff
changeset
|
3202 |
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parents:
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diff
changeset
|
3203 if (ov.is_empty ()) |
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parents:
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diff
changeset
|
3204 bison_error ("invalid empty left hand side of assignment"); |
3389152014ca
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parents:
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diff
changeset
|
3205 else |
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parents:
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diff
changeset
|
3206 bison_error ("invalid constant left hand side of assignment"); |
3389152014ca
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parents:
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diff
changeset
|
3207 |
16273
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parents:
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changeset
|
3208 delete e; |
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parents:
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changeset
|
3209 } |
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changeset
|
3210 else |
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changeset
|
3211 { |
16285
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parents:
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diff
changeset
|
3212 bool is_simple_assign = true; |
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parents:
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diff
changeset
|
3213 |
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parents:
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diff
changeset
|
3214 tree_argument_list *tmp = 0; |
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John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3215 |
3389152014ca
improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents:
16284
diff
changeset
|
3216 if (e->is_matrix ()) |
3389152014ca
improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents:
16284
diff
changeset
|
3217 { |
3389152014ca
improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents:
16284
diff
changeset
|
3218 tree_matrix *mat = dynamic_cast<tree_matrix *> (e); |
3389152014ca
improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents:
16284
diff
changeset
|
3219 |
3389152014ca
improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents:
16284
diff
changeset
|
3220 if (mat && mat->size () == 1) |
3389152014ca
improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents:
16284
diff
changeset
|
3221 { |
3389152014ca
improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents:
16284
diff
changeset
|
3222 tmp = mat->front (); |
3389152014ca
improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents:
16284
diff
changeset
|
3223 mat->pop_front (); |
3389152014ca
improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents:
16284
diff
changeset
|
3224 delete e; |
3389152014ca
improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents:
16284
diff
changeset
|
3225 is_simple_assign = false; |
3389152014ca
improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents:
16284
diff
changeset
|
3226 } |
3389152014ca
improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents:
16284
diff
changeset
|
3227 } |
3389152014ca
improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents:
16284
diff
changeset
|
3228 else |
3389152014ca
improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents:
16284
diff
changeset
|
3229 tmp = new tree_argument_list (e); |
3389152014ca
improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents:
16284
diff
changeset
|
3230 |
3389152014ca
improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents:
16284
diff
changeset
|
3231 if (tmp && tmp->is_valid_lvalue_list ()) |
3389152014ca
improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents:
16284
diff
changeset
|
3232 retval = tmp; |
3389152014ca
improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents:
16284
diff
changeset
|
3233 else |
3389152014ca
improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents:
16284
diff
changeset
|
3234 { |
3389152014ca
improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents:
16284
diff
changeset
|
3235 bison_error ("invalid left hand side of assignment"); |
3389152014ca
improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents:
16284
diff
changeset
|
3236 delete tmp; |
3389152014ca
improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents:
16284
diff
changeset
|
3237 } |
3389152014ca
improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents:
16284
diff
changeset
|
3238 |
3389152014ca
improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents:
16284
diff
changeset
|
3239 if (retval && is_simple_assign) |
3389152014ca
improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents:
16284
diff
changeset
|
3240 retval->mark_as_simple_assign_lhs (); |
16273
c5e5f6ccac5d
9/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents:
16265
diff
changeset
|
3241 } |
c5e5f6ccac5d
9/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents:
16265
diff
changeset
|
3242 |
c5e5f6ccac5d
9/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents:
16265
diff
changeset
|
3243 return retval; |
10207
76a880a588ce
error when using ~ in matrix expression
Jaroslav Hajek <highegg@gmail.com>
parents:
10206
diff
changeset
|
3244 } |
76a880a588ce
error when using ~ in matrix expression
Jaroslav Hajek <highegg@gmail.com>
parents:
10206
diff
changeset
|
3245 |
16237
70f465930546
rearrange class heirarchy for tree_cell and tree_matrix
John W. Eaton <jwe@octave.org>
parents:
16210
diff
changeset
|
3246 // Finish building an array_list. |
1623 | 3247 |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
3248 tree_expression * |
16287
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
3249 octave_base_parser::finish_array_list (tree_array_list *array_list) |
1623 | 3250 { |
16237
70f465930546
rearrange class heirarchy for tree_cell and tree_matrix
John W. Eaton <jwe@octave.org>
parents:
16210
diff
changeset
|
3251 tree_expression *retval = array_list; |
3110 | 3252 |
10067
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3253 unwind_protect frame; |
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3254 |
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3255 frame.protect_var (error_state); |
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3256 frame.protect_var (warning_state); |
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3257 |
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3258 frame.protect_var (discard_error_messages); |
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3259 frame.protect_var (discard_warning_messages); |
4452 | 3260 |
3815 | 3261 discard_error_messages = true; |
4452 | 3262 discard_warning_messages = true; |
1623 | 3263 |
16237
70f465930546
rearrange class heirarchy for tree_cell and tree_matrix
John W. Eaton <jwe@octave.org>
parents:
16210
diff
changeset
|
3264 if (array_list->all_elements_are_constant ()) |
1829 | 3265 { |
16237
70f465930546
rearrange class heirarchy for tree_cell and tree_matrix
John W. Eaton <jwe@octave.org>
parents:
16210
diff
changeset
|
3266 octave_value tmp = array_list->rvalue1 (); |
1623 | 3267 |
3489 | 3268 if (! (error_state || warning_state)) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3269 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3270 tree_constant *tc_retval |
16237
70f465930546
rearrange class heirarchy for tree_cell and tree_matrix
John W. Eaton <jwe@octave.org>
parents:
16210
diff
changeset
|
3271 = new tree_constant (tmp, array_list->line (), |
70f465930546
rearrange class heirarchy for tree_cell and tree_matrix
John W. Eaton <jwe@octave.org>
parents:
16210
diff
changeset
|
3272 array_list->column ()); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3273 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3274 std::ostringstream buf; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3275 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3276 tree_print_code tpc (buf); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3277 |
16237
70f465930546
rearrange class heirarchy for tree_cell and tree_matrix
John W. Eaton <jwe@octave.org>
parents:
16210
diff
changeset
|
3278 array_list->accept (tpc); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3279 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3280 tc_retval->stash_original_text (buf.str ()); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3281 |
16237
70f465930546
rearrange class heirarchy for tree_cell and tree_matrix
John W. Eaton <jwe@octave.org>
parents:
16210
diff
changeset
|
3282 delete array_list; |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3283 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3284 retval = tc_retval; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3285 } |
1623 | 3286 } |
3110 | 3287 |
1623 | 3288 return retval; |
3289 } | |
3290 | |
16237
70f465930546
rearrange class heirarchy for tree_cell and tree_matrix
John W. Eaton <jwe@octave.org>
parents:
16210
diff
changeset
|
3291 // Finish building a matrix list. |
70f465930546
rearrange class heirarchy for tree_cell and tree_matrix
John W. Eaton <jwe@octave.org>
parents:
16210
diff
changeset
|
3292 |
70f465930546
rearrange class heirarchy for tree_cell and tree_matrix
John W. Eaton <jwe@octave.org>
parents:
16210
diff
changeset
|
3293 tree_expression * |
16287
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
3294 octave_base_parser::finish_matrix (tree_matrix *m) |
16237
70f465930546
rearrange class heirarchy for tree_cell and tree_matrix
John W. Eaton <jwe@octave.org>
parents:
16210
diff
changeset
|
3295 { |
70f465930546
rearrange class heirarchy for tree_cell and tree_matrix
John W. Eaton <jwe@octave.org>
parents:
16210
diff
changeset
|
3296 return finish_array_list (m); |
70f465930546
rearrange class heirarchy for tree_cell and tree_matrix
John W. Eaton <jwe@octave.org>
parents:
16210
diff
changeset
|
3297 } |
70f465930546
rearrange class heirarchy for tree_cell and tree_matrix
John W. Eaton <jwe@octave.org>
parents:
16210
diff
changeset
|
3298 |
3351 | 3299 // Finish building a cell list. |
3300 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
3301 tree_expression * |
16287
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
3302 octave_base_parser::finish_cell (tree_cell *c) |
3351 | 3303 { |
16237
70f465930546
rearrange class heirarchy for tree_cell and tree_matrix
John W. Eaton <jwe@octave.org>
parents:
16210
diff
changeset
|
3304 return finish_array_list (c); |
3351 | 3305 } |
3306 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
3307 void |
16287
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
3308 octave_base_parser::maybe_warn_missing_semi (tree_statement_list *t) |
1511 | 3309 { |
16153
a57c2c8c8163
move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16151
diff
changeset
|
3310 if (curr_fcn_depth > 0) |
1511 | 3311 { |
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
|
3312 tree_statement *tmp = t->back (); |
1607 | 3313 |
1511 | 3314 if (tmp->is_expression ()) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3315 warning_with_id |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3316 ("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
|
3317 "missing semicolon near line %d, column %d in file '%s'", |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
3318 tmp->line (), tmp->column (), lexer.fcn_file_full_name.c_str ()); |
1511 | 3319 } |
3320 } | |
1994 | 3321 |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
3322 tree_statement_list * |
16287
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
3323 octave_base_parser::set_stmt_print_flag (tree_statement_list *list, |
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
3324 char sep, bool warn_missing_semi) |
2525 | 3325 { |
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
|
3326 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
|
3327 |
2525 | 3328 switch (sep) |
3329 { | |
3330 case ';': | |
8658
73c4516fae10
New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
8471
diff
changeset
|
3331 tmp->set_print_flag (false); |
2525 | 3332 break; |
3333 | |
3334 case 0: | |
3335 case ',': | |
3336 case '\n': | |
8658
73c4516fae10
New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
8471
diff
changeset
|
3337 tmp->set_print_flag (true); |
2525 | 3338 if (warn_missing_semi) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3339 maybe_warn_missing_semi (list); |
2525 | 3340 break; |
3341 | |
3342 default: | |
3343 warning ("unrecognized separator type!"); | |
3344 break; | |
3345 } | |
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
|
3346 |
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
|
3347 // 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
|
3348 // 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
|
3349 |
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
|
3350 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
|
3351 { |
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
|
3352 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
|
3353 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
|
3354 } |
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
|
3355 |
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
|
3356 return list; |
2525 | 3357 } |
3358 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
3359 tree_statement_list * |
16287
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
3360 octave_base_parser::make_statement_list (tree_statement *stmt) |
8448
d6c0d5f208de
parse.y: avoid storing null statements in statement lists
John W. Eaton <jwe@octave.org>
parents:
8447
diff
changeset
|
3361 { |
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
|
3362 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
|
3363 } |
d6c0d5f208de
parse.y: avoid storing null statements in statement lists
John W. Eaton <jwe@octave.org>
parents:
8447
diff
changeset
|
3364 |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
3365 tree_statement_list * |
16287
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
3366 octave_base_parser::append_statement_list (tree_statement_list *list, |
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
3367 char sep, tree_statement *stmt, |
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
3368 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
|
3369 { |
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
|
3370 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
|
3371 |
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
|
3372 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
|
3373 |
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
|
3374 return list; |
8448
d6c0d5f208de
parse.y: avoid storing null statements in statement lists
John W. Eaton <jwe@octave.org>
parents:
8447
diff
changeset
|
3375 } |
d6c0d5f208de
parse.y: avoid storing null statements in statement lists
John W. Eaton <jwe@octave.org>
parents:
8447
diff
changeset
|
3376 |
16145
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3377 void |
16287
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
3378 octave_base_parser::bison_error (const char *s) |
16145
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3379 { |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
3380 int err_col = lexer.current_input_column - 1; |
16145
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3381 |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3382 std::ostringstream output_buf; |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3383 |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
3384 if (lexer.reading_fcn_file || lexer.reading_script_file || lexer.reading_classdef_file) |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
3385 output_buf << "parse error near line " << lexer.input_line_number |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
3386 << " of file " << lexer.fcn_file_full_name; |
16145
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3387 else |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3388 output_buf << "parse error:"; |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3389 |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3390 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
|
3391 output_buf << "\n\n " << s; |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3392 |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3393 output_buf << "\n\n"; |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3394 |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
3395 std::string curr_line = lexer.current_input_line; |
16207
0467d68ca891
move current_input_line to lexical_feedback class
John W. Eaton <jwe@octave.org>
parents:
16203
diff
changeset
|
3396 |
0467d68ca891
move current_input_line to lexical_feedback class
John W. Eaton <jwe@octave.org>
parents:
16203
diff
changeset
|
3397 if (! curr_line.empty ()) |
16145
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3398 { |
16207
0467d68ca891
move current_input_line to lexical_feedback class
John W. Eaton <jwe@octave.org>
parents:
16203
diff
changeset
|
3399 size_t len = curr_line.length (); |
0467d68ca891
move current_input_line to lexical_feedback class
John W. Eaton <jwe@octave.org>
parents:
16203
diff
changeset
|
3400 |
0467d68ca891
move current_input_line to lexical_feedback class
John W. Eaton <jwe@octave.org>
parents:
16203
diff
changeset
|
3401 if (curr_line[len-1] == '\n') |
0467d68ca891
move current_input_line to lexical_feedback class
John W. Eaton <jwe@octave.org>
parents:
16203
diff
changeset
|
3402 curr_line.resize (len-1); |
16145
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3403 |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3404 // 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
|
3405 |
16207
0467d68ca891
move current_input_line to lexical_feedback class
John W. Eaton <jwe@octave.org>
parents:
16203
diff
changeset
|
3406 output_buf << ">>> " << curr_line << "\n"; |
16145
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3407 |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3408 if (err_col == 0) |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3409 err_col = len; |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3410 |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3411 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
|
3412 output_buf << " "; |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3413 |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3414 output_buf << "^"; |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3415 } |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3416 |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3417 output_buf << "\n"; |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3418 |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3419 std::string msg = output_buf.str (); |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3420 |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3421 parse_error ("%s", msg.c_str ()); |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3422 } |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3423 |
16287
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
3424 int |
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
3425 octave_parser::run (void) |
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
3426 { |
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
3427 return octave_parse (*this); |
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
3428 } |
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
3429 |
3021 | 3430 static void |
10067
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3431 safe_fclose (FILE *f) |
3021 | 3432 { |
5775 | 3433 // FIXME -- comments at the end of an input file are |
3765 | 3434 // discarded (otherwise, they would be appended to the next |
3435 // statement, possibly from the command line or another file, which | |
3436 // can be quite confusing). | |
3437 | |
5308 | 3438 octave_comment_list *tc = octave_comment_buffer::get_comment (); |
3439 | |
3440 delete tc; | |
3765 | 3441 |
3021 | 3442 if (f) |
3443 fclose (static_cast<FILE *> (f)); | |
3444 } | |
3445 | |
7336 | 3446 static octave_function * |
16203
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3447 parse_fcn_file (const std::string& full_file, const std::string& file, |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3448 const std::string& dispatch_type, |
16153
a57c2c8c8163
move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16151
diff
changeset
|
3449 bool require_file, bool force_script, bool autoload, |
a57c2c8c8163
move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16151
diff
changeset
|
3450 bool relative_lookup, const std::string& warn_for) |
3021 | 3451 { |
10067
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3452 unwind_protect frame; |
3021 | 3453 |
7336 | 3454 octave_function *fcn_ptr = 0; |
3021 | 3455 |
3456 // Open function file and parse. | |
3457 | |
3458 FILE *in_stream = command_editor::get_input_stream (); | |
3459 | |
10067
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3460 frame.add_fcn (command_editor::set_input_stream, in_stream); |
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3461 |
12989
00235a6446da
eliminate duplication of internal variables controlling command history
John W. Eaton <jwe@octave.org>
parents:
12973
diff
changeset
|
3462 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
|
3463 command_history::ignoring_entries ()); |
00235a6446da
eliminate duplication of internal variables controlling command history
John W. Eaton <jwe@octave.org>
parents:
12973
diff
changeset
|
3464 |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3465 command_history::ignore_entries (); |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3466 |
16198
2c5c538be353
clean up input.cc and eliminate ff_instream global variable
John W. Eaton <jwe@octave.org>
parents:
16195
diff
changeset
|
3467 FILE *ffile = 0; |
2c5c538be353
clean up input.cc and eliminate ff_instream global variable
John W. Eaton <jwe@octave.org>
parents:
16195
diff
changeset
|
3468 |
16203
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3469 if (! full_file.empty ()) |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3470 ffile = gnulib::fopen (full_file.c_str (), "rb"); |
3021 | 3471 |
10067
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3472 frame.add_fcn (safe_fclose, ffile); |
3021 | 3473 |
3474 if (ffile) | |
3475 { | |
16287
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
3476 // octave_base_parser constructor sets this for us. |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
3477 frame.protect_var (LEXER); |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
3478 |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
3479 octave_parser parser (ffile); |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
3480 |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
3481 parser.curr_class_name = dispatch_type; |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
3482 parser.autoloading = autoload; |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
3483 parser.fcn_file_from_relative_lookup = relative_lookup; |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
3484 |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
3485 parser.lexer.force_script = force_script; |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
3486 parser.lexer.prep_for_file (); |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
3487 parser.lexer.parsing_class_method = ! dispatch_type.empty (); |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
3488 |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
3489 parser.lexer.fcn_file_name = file; |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
3490 parser.lexer.fcn_file_full_name = full_file; |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
3491 |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
3492 int status = parser.run (); |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
3493 |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
3494 fcn_ptr = parser.primary_fcn_ptr; |
16203
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3495 |
16211
3449bf257514
maint: fix botched merge of default to classdef
John W. Eaton <jwe@octave.org>
parents:
16205
diff
changeset
|
3496 if (status == 0) |
3449bf257514
maint: fix botched merge of default to classdef
John W. Eaton <jwe@octave.org>
parents:
16205
diff
changeset
|
3497 { |
16289
bde729ba8381
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
3498 if (parser.lexer.reading_classdef_file |
bde729ba8381
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
3499 && parser.classdef_object) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3500 { |
16211
3449bf257514
maint: fix botched merge of default to classdef
John W. Eaton <jwe@octave.org>
parents:
16205
diff
changeset
|
3501 // Convert parse tree for classdef object to |
3449bf257514
maint: fix botched merge of default to classdef
John W. Eaton <jwe@octave.org>
parents:
16205
diff
changeset
|
3502 // meta.class info (and stash it in the symbol |
3449bf257514
maint: fix botched merge of default to classdef
John W. Eaton <jwe@octave.org>
parents:
16205
diff
changeset
|
3503 // table?). Return pointer to constructor? |
3449bf257514
maint: fix botched merge of default to classdef
John W. Eaton <jwe@octave.org>
parents:
16205
diff
changeset
|
3504 |
3449bf257514
maint: fix botched merge of default to classdef
John W. Eaton <jwe@octave.org>
parents:
16205
diff
changeset
|
3505 if (fcn_ptr) |
3449bf257514
maint: fix botched merge of default to classdef
John W. Eaton <jwe@octave.org>
parents:
16205
diff
changeset
|
3506 panic_impossible (); |
3449bf257514
maint: fix botched merge of default to classdef
John W. Eaton <jwe@octave.org>
parents:
16205
diff
changeset
|
3507 |
16289
bde729ba8381
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
3508 fcn_ptr = parser.classdef_object->make_meta_class (); |
15037
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3509 } |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3510 } |
10872
988d16d5ae34
correctly .m files that are empty or contain only comments
John W. Eaton <jwe@octave.org>
parents:
10659
diff
changeset
|
3511 else |
16203
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3512 error ("parse error while reading file %s", full_file.c_str ()); |
3021 | 3513 } |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3514 else if (require_file) |
16203
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3515 error ("no such file, '%s'", full_file.c_str ()); |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3516 else if (! warn_for.empty ()) |
16203
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3517 error ("%s: unable to open file '%s'", warn_for.c_str (), |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3518 full_file.c_str ()); |
3021 | 3519 |
7336 | 3520 return fcn_ptr; |
3021 | 3521 } |
3522 | |
5484 | 3523 std::string |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3524 get_help_from_file (const std::string& nm, bool& symbol_found, |
16203
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3525 std::string& full_file) |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3526 { |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3527 std::string retval; |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3528 |
16203
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3529 full_file = fcn_file_in_path (nm); |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3530 |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3531 std::string file = full_file; |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3532 |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3533 size_t file_len = file.length (); |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3534 |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3535 if ((file_len > 4 && file.substr (file_len-4) == ".oct") |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3536 || (file_len > 4 && file.substr (file_len-4) == ".mex") |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3537 || (file_len > 2 && file.substr (file_len-2) == ".m")) |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3538 { |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3539 file = octave_env::base_pathname (file); |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3540 file = file.substr (0, file.find_last_of ('.')); |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3541 |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3542 size_t pos = file.find_last_of (file_ops::dir_sep_str ()); |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3543 if (pos != std::string::npos) |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3544 file = file.substr (pos+1); |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3545 } |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3546 |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3547 if (! file.empty ()) |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3548 { |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3549 symbol_found = true; |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3550 |
16203
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3551 octave_function *fcn |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3552 = parse_fcn_file (full_file, file, "", true, false, false, false, ""); |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3553 |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3554 if (fcn) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3555 { |
16203
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3556 retval = fcn->doc_string (); |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3557 |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3558 delete fcn; |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3559 } |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3560 } |
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 return retval; |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3563 } |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3564 |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3565 std::string |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3566 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
|
3567 { |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3568 std::string file; |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3569 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
|
3570 } |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3571 |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3572 std::string |
5484 | 3573 lookup_autoload (const std::string& nm) |
3574 { | |
5626 | 3575 std::string retval; |
3576 | |
3577 typedef std::map<std::string, std::string>::const_iterator am_iter; | |
3578 | |
3579 am_iter p = autoload_map.find (nm); | |
3580 | |
3581 if (p != autoload_map.end ()) | |
6323 | 3582 retval = load_path::find_file (p->second); |
5626 | 3583 |
3584 return retval; | |
5484 | 3585 } |
3586 | |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
3587 string_vector |
5592 | 3588 autoloaded_functions (void) |
3589 { | |
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
|
3590 string_vector names (autoload_map.size ()); |
5592 | 3591 |
3592 octave_idx_type i = 0; | |
5626 | 3593 typedef std::map<std::string, std::string>::const_iterator am_iter; |
3594 for (am_iter p = autoload_map.begin (); p != autoload_map.end (); p++) | |
5592 | 3595 names[i++] = p->first; |
3596 | |
3597 return names; | |
3598 } | |
3599 | |
3600 string_vector | |
3601 reverse_lookup_autoload (const std::string& nm) | |
3602 { | |
3603 string_vector names; | |
3604 | |
5626 | 3605 typedef std::map<std::string, std::string>::const_iterator am_iter; |
3606 for (am_iter p = autoload_map.begin (); p != autoload_map.end (); p++) | |
5592 | 3607 if (nm == p->second) |
3608 names.append (p->first); | |
3609 | |
3610 return names; | |
3611 } | |
3612 | |
7336 | 3613 octave_function * |
3614 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
|
3615 const std::string& dispatch_type, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3616 const std::string& fcn_name, bool autoload) |
3021 | 3617 { |
7336 | 3618 octave_function *retval = 0; |
3619 | |
10067
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3620 unwind_protect frame; |
5484 | 3621 |
7336 | 3622 std::string nm = file_name; |
6238 | 3623 |
3624 size_t nm_len = nm.length (); | |
5472 | 3625 |
3626 std::string file; | |
3627 | |
16153
a57c2c8c8163
move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16151
diff
changeset
|
3628 bool relative_lookup = false; |
6323 | 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 |
16153
a57c2c8c8163
move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16151
diff
changeset
|
3644 relative_lookup = ! octave_env::absolute_pathname (file); |
7749
14e05160b99f
reference counting for functions loaded from shared libraries
John W. Eaton <jwe@octave.org>
parents:
7736
diff
changeset
|
3645 |
10250 | 3646 file = octave_env::make_absolute (file); |
4243 | 3647 |
3648 int len = file.length (); | |
3649 | |
4244 | 3650 if (len > 4 && file.substr (len-4, len-1) == ".oct") |
3021 | 3651 { |
7336 | 3652 if (autoload && ! fcn_name.empty ()) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3653 nm = fcn_name; |
7336 | 3654 |
16153
a57c2c8c8163
move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16151
diff
changeset
|
3655 retval = octave_dynamic_loader::load_oct (nm, file, relative_lookup); |
5864 | 3656 } |
3657 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
|
3658 { |
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
|
3659 // 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
|
3660 // 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
|
3661 |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
3662 octave_function *tmpfcn = parse_fcn_file (file.substr (0, len - 2), |
16203
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3663 nm, dispatch_type, false, |
16153
a57c2c8c8163
move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16151
diff
changeset
|
3664 autoload, autoload, |
a57c2c8c8163
move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16151
diff
changeset
|
3665 relative_lookup, ""); |
a57c2c8c8163
move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16151
diff
changeset
|
3666 |
a57c2c8c8163
move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16151
diff
changeset
|
3667 retval = octave_dynamic_loader::load_mex (nm, file, relative_lookup); |
10570
a61d7248627c
When loading a mex-file temporarily load the m-file version to get the help string (bug #29427)
David Bateman <dbateman@free.fr>
parents:
10521
diff
changeset
|
3668 |
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 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
|
3670 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
|
3671 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
|
3672 } |
4244 | 3673 else if (len > 2) |
3021 | 3674 { |
16203
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3675 retval = parse_fcn_file (file, nm, dispatch_type, true, autoload, |
16153
a57c2c8c8163
move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16151
diff
changeset
|
3676 autoload, relative_lookup, ""); |
3021 | 3677 } |
3678 | |
7336 | 3679 if (retval) |
8819
96d87674b818
also stash directory name for subfunctions
John W. Eaton <jwe@octave.org>
parents:
8812
diff
changeset
|
3680 { |
96d87674b818
also stash directory name for subfunctions
John W. Eaton <jwe@octave.org>
parents:
8812
diff
changeset
|
3681 retval->stash_dir_name (dir_name); |
96d87674b818
also stash directory name for subfunctions
John W. Eaton <jwe@octave.org>
parents:
8812
diff
changeset
|
3682 |
96d87674b818
also stash directory name for subfunctions
John W. Eaton <jwe@octave.org>
parents:
8812
diff
changeset
|
3683 if (retval->is_user_function ()) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3684 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3685 symbol_table::scope_id id = retval->scope (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3686 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3687 symbol_table::stash_dir_name_for_subfunctions (id, dir_name); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3688 } |
8819
96d87674b818
also stash directory name for subfunctions
John W. Eaton <jwe@octave.org>
parents:
8812
diff
changeset
|
3689 } |
7336 | 3690 |
3691 return retval; | |
5312 | 3692 } |
3693 | |
8746
5dd06f19e9be
handle commands in the lexer
John W. Eaton <jwe@octave.org>
parents:
8745
diff
changeset
|
3694 DEFUN (autoload, args, , |
5484 | 3695 "-*- texinfo -*-\n\ |
3696 @deftypefn {Built-in Function} {} autoload (@var{function}, @var{file})\n\ | |
3697 Define @var{function} to autoload from @var{file}.\n\ | |
5626 | 3698 \n\ |
6926 | 3699 The second argument, @var{file}, should be an absolute file name or\n\ |
3700 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
|
3701 the autoload command was run. @var{file} should not depend on the\n\ |
6926 | 3702 Octave load path.\n\ |
6380 | 3703 \n\ |
3704 Normally, calls to @code{autoload} appear in PKG_ADD script files that\n\ | |
3705 are evaluated when a directory is added to the Octave's load path. To\n\ | |
6926 | 3706 avoid having to hardcode directory names in @var{file}, if @var{file}\n\ |
3707 is in the same directory as the PKG_ADD script then\n\ | |
6380 | 3708 \n\ |
3709 @example\n\ | |
6926 | 3710 autoload (\"foo\", \"bar.oct\");\n\ |
6380 | 3711 @end example\n\ |
3712 \n\ | |
11572
7d6d8c1e471f
Grammarcheck Texinfo for files in src directory.
Rik <octave@nomad.inbox5.com>
parents:
11523
diff
changeset
|
3713 @noindent\n\ |
9038
fca0dc2fb042
Cleanup documentation files stmt.texi and func.texi
Rik <rdrider0-list@yahoo.com>
parents:
8974
diff
changeset
|
3714 will load the function @code{foo} from the file @code{bar.oct}. The above\n\ |
6926 | 3715 when @code{bar.oct} is not in the same directory or uses like\n\ |
6380 | 3716 \n\ |
3717 @example\n\ | |
6637 | 3718 autoload (\"foo\", file_in_loadpath (\"bar.oct\"))\n\ |
6380 | 3719 @end example\n\ |
3720 \n\ | |
3721 @noindent\n\ | |
6926 | 3722 are strongly discouraged, as their behavior might be unpredictable.\n\ |
6380 | 3723 \n\ |
6637 | 3724 With no arguments, return a structure containing the current autoload map.\n\ |
6380 | 3725 @seealso{PKG_ADD}\n\ |
5484 | 3726 @end deftypefn") |
3727 { | |
5626 | 3728 octave_value retval; |
5484 | 3729 |
3730 int nargin = args.length (); | |
3731 | |
5626 | 3732 if (nargin == 0) |
3733 { | |
10350
12884915a8e4
merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents:
10315
diff
changeset
|
3734 Cell func_names (dim_vector (autoload_map.size (), 1)); |
12884915a8e4
merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents:
10315
diff
changeset
|
3735 Cell file_names (dim_vector (autoload_map.size (), 1)); |
5626 | 3736 |
3737 octave_idx_type i = 0; | |
3738 typedef std::map<std::string, std::string>::const_iterator am_iter; | |
3739 for (am_iter p = autoload_map.begin (); p != autoload_map.end (); p++) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3740 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3741 func_names(i) = p->first; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3742 file_names(i) = p->second; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3743 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3744 i++; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3745 } |
5626 | 3746 |
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
|
3747 octave_map m; |
5626 | 3748 |
3749 m.assign ("function", func_names); | |
3750 m.assign ("file", file_names); | |
3751 | |
3752 retval = m; | |
3753 } | |
3754 else if (nargin == 2) | |
5484 | 3755 { |
3756 string_vector argv = args.make_argv ("autoload"); | |
3757 | |
3758 if (! error_state) | |
6380 | 3759 { |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3760 std::string nm = argv[2]; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3761 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3762 if (! octave_env::absolute_pathname (nm)) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3763 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3764 octave_user_code *fcn = octave_call_stack::caller_user_code (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3765 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3766 bool found = false; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3767 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3768 if (fcn) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3769 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3770 std::string fname = fcn->fcn_file_name (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3771 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3772 if (! fname.empty ()) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3773 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3774 fname = octave_env::make_absolute (fname); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3775 fname = fname.substr (0, fname.find_last_of (file_ops::dir_sep_str ()) + 1); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3776 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3777 file_stat fs (fname + nm); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3778 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3779 if (fs.exists ()) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3780 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3781 nm = fname + nm; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3782 found = true; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3783 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3784 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3785 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3786 if (! found) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3787 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
|
3788 "autoload: '%s' is not an absolute file name", |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3789 nm.c_str ()); |
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>
parents:
10250
diff
changeset
|
3791 autoload_map[argv[1]] = nm; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3792 } |
5484 | 3793 } |
3794 else | |
5823 | 3795 print_usage (); |
5484 | 3796 |
3797 return retval; | |
3798 } | |
3799 | |
4486 | 3800 void |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3801 source_file (const std::string& file_name, const std::string& context, |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3802 bool verbose, bool require_file, const std::string& warn_for) |
4486 | 3803 { |
10578
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3804 // 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
|
3805 // 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
|
3806 // 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
|
3807 // written as |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3808 // |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3809 // foo1.m: |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3810 // ------ |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3811 // foo2 |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3812 // |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3813 // foo2.m: |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3814 // ------ |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3815 // foo1 |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3816 // |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3817 // and called with |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3818 // |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3819 // foo1 |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3820 // |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3821 // (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
|
3822 // |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3823 // foo1.m: |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3824 // ------ |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3825 // source ("foo2.m") |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3826 // |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3827 // foo2.m: |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3828 // ------ |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3829 // source ("foo1.m") |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3830 // |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3831 // and called with |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3832 // |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3833 // source ("foo1.m") |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3834 // |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3835 // (for example). |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3836 |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3837 static std::map<std::string, int> source_call_depth; |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3838 |
4486 | 3839 std::string file_full_name = file_ops::tilde_expand (file_name); |
3840 | |
10578
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3841 file_full_name = octave_env::make_absolute (file_full_name); |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3842 |
10067
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3843 unwind_protect frame; |
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3844 |
10578
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3845 if (source_call_depth.find (file_full_name) == source_call_depth.end ()) |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3846 source_call_depth[file_full_name] = -1; |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
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10570
diff
changeset
|
3847 |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
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10570
diff
changeset
|
3848 frame.protect_var (source_call_depth[file_full_name]); |
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>
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10570
diff
changeset
|
3850 source_call_depth[file_full_name]++; |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
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10570
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 if (source_call_depth[file_full_name] >= Vmax_recursion_depth) |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3853 { |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
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10570
diff
changeset
|
3854 error ("max_recursion_depth exceeded"); |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3855 return; |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3856 } |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
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10570
diff
changeset
|
3857 |
5975 | 3858 if (! context.empty ()) |
3859 { | |
3860 if (context == "caller") | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3861 octave_call_stack::goto_caller_frame (); |
5975 | 3862 else if (context == "base") |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10250
diff
changeset
|
3863 octave_call_stack::goto_base_frame (); |
5975 | 3864 else |
10315
57a59eae83cc
untabify src C++ source files
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10250
diff
changeset
|
3865 error ("source: context must be \"caller\" or \"base\""); |
7336 | 3866 |
3867 if (! error_state) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10250
diff
changeset
|
3868 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
|
3869 } |
5975 | 3870 |
3871 if (! error_state) | |
3872 { | |
16203
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3873 octave_function *fcn = parse_fcn_file (file_full_name, file_name, |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3874 "", require_file, true, |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3875 false, false, warn_for); |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3876 |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3877 if (! error_state) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3878 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10250
diff
changeset
|
3879 if (fcn && fcn->is_user_script ()) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3880 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3881 octave_value_list args; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3882 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3883 if (verbose) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3884 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3885 std::cout << "executing commands from " << file_full_name << " ... "; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3886 reading_startup_message_printed = true; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3887 std::cout.flush (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3888 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3889 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3890 fcn->do_multi_index_op (0, args); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3891 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3892 if (verbose) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3893 std::cout << "done." << std::endl; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3894 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3895 delete fcn; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3896 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3897 } |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3898 else |
15466
d174210ce1ec
use ' instead of ` in error messages, warnings and most comments
John W. Eaton <jwe@octave.org>
parents:
14189
diff
changeset
|
3899 error ("source: error sourcing file '%s'", |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3900 file_full_name.c_str ()); |
5975 | 3901 } |
4486 | 3902 } |
3903 | |
5739 | 3904 DEFUN (mfilename, args, , |
3905 "-*- texinfo -*-\n\ | |
11572
7d6d8c1e471f
Grammarcheck Texinfo for files in src directory.
Rik <octave@nomad.inbox5.com>
parents:
11523
diff
changeset
|
3906 @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
|
3907 @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
|
3908 @deftypefnx {Built-in Function} {} mfilename (\"fullpathext\")\n\ |
5739 | 3909 Return the name of the currently executing file. At the top-level,\n\ |
3910 return the empty string. Given the argument @code{\"fullpath\"},\n\ | |
3911 include the directory part of the file name, but not the extension.\n\ | |
3912 Given the argument @code{\"fullpathext\"}, include the directory part\n\ | |
3913 of the file name and the extension.\n\ | |
5774 | 3914 @end deftypefn") |
5739 | 3915 { |
3916 octave_value retval; | |
3917 | |
3918 int nargin = args.length (); | |
3919 | |
3920 if (nargin > 1) | |
3921 { | |
5823 | 3922 print_usage (); |
5739 | 3923 return retval; |
3924 } | |
3925 | |
3926 std::string arg; | |
3927 | |
3928 if (nargin == 1) | |
3929 { | |
3930 arg = args(0).string_value (); | |
3931 | |
3932 if (error_state) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3933 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3934 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
|
3935 return retval; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3936 } |
5739 | 3937 } |
3938 | |
3939 std::string fname; | |
3940 | |
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
|
3941 octave_user_code *fcn = octave_call_stack::caller_user_code (); |
5743 | 3942 |
3943 if (fcn) | |
3944 { | |
3945 fname = fcn->fcn_file_name (); | |
3946 | |
3947 if (fname.empty ()) | |
3948 fname = fcn->name (); | |
3949 } | |
5739 | 3950 |
3951 if (arg == "fullpathext") | |
3952 retval = fname; | |
3953 else | |
3954 { | |
8007
a2ab20ba78f7
make file_ops a proper singleton class
John W. Eaton <jwe@octave.org>
parents:
8001
diff
changeset
|
3955 size_t dpos = fname.rfind (file_ops::dir_sep_char ()); |
5747 | 3956 size_t epos = fname.rfind ('.'); |
3957 | |
3958 if (epos <= dpos) | |
8021 | 3959 epos = std::string::npos; |
3960 | |
3961 fname = (epos != std::string::npos) ? fname.substr (0, epos) : fname; | |
5739 | 3962 |
3963 if (arg == "fullpath") | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3964 retval = fname; |
5739 | 3965 else |
8021 | 3966 retval = (dpos != std::string::npos) ? fname.substr (dpos+1) : fname; |
5739 | 3967 } |
3968 | |
3969 return retval; | |
3970 } | |
3971 | |
3972 | |
3021 | 3973 DEFUN (source, args, , |
3371 | 3974 "-*- texinfo -*-\n\ |
3975 @deftypefn {Built-in Function} {} source (@var{file})\n\ | |
3976 Parse and execute the contents of @var{file}. This is equivalent to\n\ | |
3977 executing commands from a script file, but without requiring the file to\n\ | |
3978 be named @file{@var{file}.m}.\n\ | |
3979 @end deftypefn") | |
3021 | 3980 { |
3981 octave_value_list retval; | |
3982 | |
3983 int nargin = args.length (); | |
3984 | |
5975 | 3985 if (nargin == 1 || nargin == 2) |
3021 | 3986 { |
3523 | 3987 std::string file_name = args(0).string_value (); |
3021 | 3988 |
3989 if (! error_state) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3990 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3991 std::string context; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3992 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3993 if (nargin == 2) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3994 context = args(1).string_value (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3995 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3996 if (! error_state) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3997 source_file (file_name, context); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3998 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3999 error ("source: expecting context to be character string"); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4000 } |
3021 | 4001 else |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4002 error ("source: expecting file name as argument"); |
3021 | 4003 } |
4004 else | |
5823 | 4005 print_usage (); |
3021 | 4006 |
4007 return retval; | |
4008 } | |
4009 | |
3726 | 4010 // Evaluate an Octave function (built-in or interpreted) and return |
3844 | 4011 // the list of result values. NAME is the name of the function to |
4012 // 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
|
4013 // number of output arguments expected. |
3726 | 4014 |
3021 | 4015 octave_value_list |
3523 | 4016 feval (const std::string& name, const octave_value_list& args, int nargout) |
3156 | 4017 { |
4018 octave_value_list retval; | |
4019 | |
7336 | 4020 octave_value fcn = symbol_table::find_function (name, args); |
4021 | |
4022 if (fcn.is_defined ()) | |
4023 retval = fcn.do_multi_index_op (nargout, args); | |
4024 else | |
10443
34e51d4e199b
implement smart warnings about missing Matlab functionality
Jaroslav Hajek <highegg@gmail.com>
parents:
10426
diff
changeset
|
4025 { |
34e51d4e199b
implement smart warnings about missing Matlab functionality
Jaroslav Hajek <highegg@gmail.com>
parents:
10426
diff
changeset
|
4026 maybe_missing_function_hook (name); |
34e51d4e199b
implement smart warnings about missing Matlab functionality
Jaroslav Hajek <highegg@gmail.com>
parents:
10426
diff
changeset
|
4027 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
|
4028 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
|
4029 } |
3156 | 4030 |
4031 return retval; | |
4032 } | |
4033 | |
4342 | 4034 octave_value_list |
4035 feval (octave_function *fcn, const octave_value_list& args, int nargout) | |
4036 { | |
4037 octave_value_list retval; | |
4038 | |
4039 if (fcn) | |
4040 retval = fcn->do_multi_index_op (nargout, args); | |
4041 | |
4042 return retval; | |
4043 } | |
4044 | |
4045 static octave_value_list | |
4046 get_feval_args (const octave_value_list& args) | |
4047 { | |
10659
8baff2aceabc
fix slicing value lists with name tags (bug #29960)
Jaroslav Hajek <highegg@gmail.com>
parents:
10578
diff
changeset
|
4048 return args.slice (1, args.length () - 1, true); |
4342 | 4049 } |
4050 | |
4051 | |
3726 | 4052 // Evaluate an Octave function (built-in or interpreted) and return |
4053 // the list of result values. The first element of ARGS should be a | |
4054 // string containing the name of the function to call, then the rest | |
4055 // are the actual arguments to the function. NARGOUT is the number of | |
4056 // output arguments expected. | |
4057 | |
3156 | 4058 octave_value_list |
3021 | 4059 feval (const octave_value_list& args, int nargout) |
4060 { | |
4061 octave_value_list retval; | |
4062 | |
4342 | 4063 int nargin = args.length (); |
4064 | |
4065 if (nargin > 0) | |
3021 | 4066 { |
4342 | 4067 octave_value f_arg = args(0); |
4068 | |
4069 if (f_arg.is_string ()) | |
4070 { | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4071 std::string name = f_arg.string_value (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4072 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4073 if (! error_state) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4074 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4075 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
|
4076 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4077 retval = feval (name, tmp_args, nargout); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4078 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4079 } |
13241
2a8dcb5b3a00
improve default indexing for objects
John W. Eaton <jwe@octave.org>
parents:
13237
diff
changeset
|
4080 else if (f_arg.is_function_handle () |
2a8dcb5b3a00
improve default indexing for objects
John W. Eaton <jwe@octave.org>
parents:
13237
diff
changeset
|
4081 || f_arg.is_anonymous_function () |
2a8dcb5b3a00
improve default indexing for objects
John W. Eaton <jwe@octave.org>
parents:
13237
diff
changeset
|
4082 || f_arg.is_inline_function ()) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4083 { |
10492
a6b64a7a3769
make feval work with overloaded handles
Jaroslav Hajek <highegg@gmail.com>
parents:
10463
diff
changeset
|
4084 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
|
4085 |
a6b64a7a3769
make feval work with overloaded handles
Jaroslav Hajek <highegg@gmail.com>
parents:
10463
diff
changeset
|
4086 retval = f_arg.do_multi_index_op (nargout, tmp_args); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4087 } |
10492
a6b64a7a3769
make feval work with overloaded handles
Jaroslav Hajek <highegg@gmail.com>
parents:
10463
diff
changeset
|
4088 else |
a6b64a7a3769
make feval work with overloaded handles
Jaroslav Hajek <highegg@gmail.com>
parents:
10463
diff
changeset
|
4089 error ("feval: first argument must be a string, inline function or a function handle"); |
3021 | 4090 } |
4091 | |
4092 return retval; | |
4093 } | |
4094 | |
4095 DEFUN (feval, args, nargout, | |
3371 | 4096 "-*- texinfo -*-\n\ |
4097 @deftypefn {Built-in Function} {} feval (@var{name}, @dots{})\n\ | |
4098 Evaluate the function named @var{name}. Any arguments after the first\n\ | |
4099 are passed on to the named function. For example,\n\ | |
4100 \n\ | |
4101 @example\n\ | |
11572
7d6d8c1e471f
Grammarcheck Texinfo for files in src directory.
Rik <octave@nomad.inbox5.com>
parents:
11523
diff
changeset
|
4102 @group\n\ |
3371 | 4103 feval (\"acos\", -1)\n\ |
4104 @result{} 3.1416\n\ | |
11572
7d6d8c1e471f
Grammarcheck Texinfo for files in src directory.
Rik <octave@nomad.inbox5.com>
parents:
11523
diff
changeset
|
4105 @end group\n\ |
3371 | 4106 @end example\n\ |
3021 | 4107 \n\ |
3371 | 4108 @noindent\n\ |
4109 calls the function @code{acos} with the argument @samp{-1}.\n\ | |
4110 \n\ | |
12946
8b5b85e26246
octave-parse.yy (feval): Update docstring to refer to function handles.
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents:
12918
diff
changeset
|
4111 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
|
4112 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
|
4113 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
|
4114 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
|
4115 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
|
4116 \n\ |
8b5b85e26246
octave-parse.yy (feval): Update docstring to refer to function handles.
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents:
12918
diff
changeset
|
4117 @example\n\ |
8b5b85e26246
octave-parse.yy (feval): Update docstring to refer to function handles.
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents:
12918
diff
changeset
|
4118 @group\n\ |
8b5b85e26246
octave-parse.yy (feval): Update docstring to refer to function handles.
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents:
12918
diff
changeset
|
4119 @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
|
4120 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
|
4121 @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
|
4122 @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
|
4123 @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
|
4124 @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
|
4125 @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
|
4126 \n\ |
8b5b85e26246
octave-parse.yy (feval): Update docstring to refer to function handles.
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents:
12918
diff
changeset
|
4127 @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
|
4128 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
|
4129 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
|
4130 function name in a string, @code{feval} can be used instead.\n\ |
3371 | 4131 @end deftypefn") |
3021 | 4132 { |
4133 octave_value_list retval; | |
4134 | |
4135 int nargin = args.length (); | |
4136 | |
4137 if (nargin > 0) | |
4138 retval = feval (args, nargout); | |
4139 else | |
5823 | 4140 print_usage (); |
3021 | 4141 |
4142 return retval; | |
4143 } | |
4144 | |
11225
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4145 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
|
4146 "-*- texinfo -*-\n\ |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4147 @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
|
4148 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
|
4149 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
|
4150 @end deftypefn") |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4151 { |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
4152 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
|
4153 |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4154 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
|
4155 |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4156 if (nargin > 0) |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4157 { |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4158 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
|
4159 |
11225
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4160 if (! error_state) |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4161 { |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4162 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
|
4163 |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4164 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
|
4165 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
|
4166 nargout); |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4167 else |
15466
d174210ce1ec
use ' instead of ` in error messages, warnings and most comments
John W. Eaton <jwe@octave.org>
parents:
14189
diff
changeset
|
4168 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
|
4169 } |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4170 else |
12483
7a5aacf65f81
Rewrite error strings in src/ to use variables named in documentation.
Rik <octave@nomad.inbox5.com>
parents:
12400
diff
changeset
|
4171 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
|
4172 } |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4173 else |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4174 print_usage (); |
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 return retval; |
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 |
3099 | 4179 octave_value_list |
16195
b52d2f9294b6
use class for reading lexer input
John W. Eaton <jwe@octave.org>
parents:
16187
diff
changeset
|
4180 eval_string (const std::string& eval_str, bool silent, |
b52d2f9294b6
use class for reading lexer input
John W. Eaton <jwe@octave.org>
parents:
16187
diff
changeset
|
4181 int& parse_status, int nargout) |
3021 | 4182 { |
3877 | 4183 octave_value_list retval; |
4184 | |
10067
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
4185 unwind_protect frame; |
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
4186 |
16287
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
4187 // octave_base_parser constructor sets this for us. |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
4188 frame.protect_var (LEXER); |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
4189 |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
4190 octave_parser parser (eval_str); |
16195
b52d2f9294b6
use class for reading lexer input
John W. Eaton <jwe@octave.org>
parents:
16187
diff
changeset
|
4191 |
3877 | 4192 do |
4193 { | |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
4194 parser.reset (); |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
4195 |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
4196 parse_status = parser.run (); |
3877 | 4197 |
9260
9c2349a51218
properly unmark forced variables
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
4198 // Unmark forced variables. |
16177
a7669b4d27f6
eliminate global global_command variable
John W. Eaton <jwe@octave.org>
parents:
16174
diff
changeset
|
4199 frame.run (1); |
7903
8018e10d2b87
save and restore global_command as needed
John W. Eaton <jwe@octave.org>
parents:
7901
diff
changeset
|
4200 |
3883 | 4201 if (parse_status == 0) |
3877 | 4202 { |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
4203 if (parser.stmt_list) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4204 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4205 tree_statement *stmt = 0; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4206 |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
4207 if (parser.stmt_list->length () == 1 |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
4208 && (stmt = parser.stmt_list->front ()) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4209 && stmt->is_expression ()) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4210 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4211 tree_expression *expr = stmt->expression (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4212 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4213 if (silent) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4214 expr->set_print_flag (false); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4215 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4216 bool do_bind_ans = false; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4217 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4218 if (expr->is_identifier ()) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4219 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4220 tree_identifier *id |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4221 = dynamic_cast<tree_identifier *> (expr); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4222 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4223 do_bind_ans = (! id->is_variable ()); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4224 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4225 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4226 do_bind_ans = (! expr->is_assignment_expression ()); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4227 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4228 retval = expr->rvalue (nargout); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4229 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4230 if (do_bind_ans && ! (error_state || retval.empty ())) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4231 bind_ans (retval(0), expr->print_result ()); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4232 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4233 if (nargout == 0) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4234 retval = octave_value_list (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4235 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4236 else if (nargout == 0) |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
4237 parser.stmt_list->accept (*current_evaluator); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4238 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4239 error ("eval: invalid use of statement list"); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4240 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4241 if (error_state |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4242 || tree_return_command::returning |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4243 || tree_break_command::breaking |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4244 || tree_continue_command::continuing) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4245 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4246 } |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
4247 else if (parser.lexer.end_of_input) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4248 break; |
3883 | 4249 } |
3877 | 4250 } |
4251 while (parse_status == 0); | |
3021 | 4252 |
4253 return retval; | |
4254 } | |
4255 | |
4256 octave_value | |
16195
b52d2f9294b6
use class for reading lexer input
John W. Eaton <jwe@octave.org>
parents:
16187
diff
changeset
|
4257 eval_string (const std::string& eval_str, bool silent, int& parse_status) |
3021 | 4258 { |
4259 octave_value retval; | |
4260 | |
16195
b52d2f9294b6
use class for reading lexer input
John W. Eaton <jwe@octave.org>
parents:
16187
diff
changeset
|
4261 octave_value_list tmp = eval_string (eval_str, silent, parse_status, 1); |
3021 | 4262 |
4263 if (! tmp.empty ()) | |
4264 retval = tmp(0); | |
4265 | |
4266 return retval; | |
4267 } | |
4268 | |
4269 static octave_value_list | |
4270 eval_string (const octave_value& arg, bool silent, int& parse_status, | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4271 int nargout) |
3021 | 4272 { |
3523 | 4273 std::string s = arg.string_value (); |
3021 | 4274 |
4275 if (error_state) | |
4276 { | |
3523 | 4277 error ("eval: expecting std::string argument"); |
4233 | 4278 return octave_value (-1); |
3021 | 4279 } |
4280 | |
4281 return eval_string (s, silent, parse_status, nargout); | |
4282 } | |
4283 | |
13970 | 4284 void |
4285 cleanup_statement_list (tree_statement_list **lst) | |
4286 { | |
4287 if (*lst) | |
4288 { | |
4289 delete *lst; | |
4290 *lst = 0; | |
4291 } | |
4292 } | |
4293 | |
3021 | 4294 DEFUN (eval, args, nargout, |
3371 | 4295 "-*- texinfo -*-\n\ |
14172
cba1c681f1b7
doc: Update seealso references for eval family of functions.
Rik <octave@nomad.inbox5.com>
parents:
14153
diff
changeset
|
4296 @deftypefn {Built-in Function} {} eval (@var{try})\n\ |
cba1c681f1b7
doc: Update seealso references for eval family of functions.
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|
4297 @deftypefnx {Built-in Function} {} eval (@var{try}, @var{catch})\n\ |
3371 | 4298 Parse the string @var{try} and evaluate it as if it were an Octave\n\ |
6643 | 4299 program. If that fails, evaluate the optional string @var{catch}.\n\ |
4463 | 4300 The string @var{try} is evaluated in the current context,\n\ |
4301 so any results remain available after @code{eval} returns.\n\ | |
6643 | 4302 \n\ |
4303 The following example makes the variable @var{a} with the approximate\n\ | |
4304 value 3.1416 available.\n\ | |
4305 \n\ | |
4306 @example\n\ | |
14360
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doc: Correct off-by-1 spacings in all .cc docstrings
Rik <octave@nomad.inbox5.com>
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|
4307 eval (\"a = acos(-1);\");\n\ |
6643 | 4308 @end example\n\ |
4309 \n\ | |
4310 If an error occurs during the evaluation of @var{try} the @var{catch}\n\ | |
8828 | 4311 string is evaluated, as the following example shows:\n\ |
6643 | 4312 \n\ |
4313 @example\n\ | |
11572
7d6d8c1e471f
Grammarcheck Texinfo for files in src directory.
Rik <octave@nomad.inbox5.com>
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|
4314 @group\n\ |
6643 | 4315 eval ('error (\"This is a bad example\");',\n\ |
8015
30629059b72d
Update the manual to reflect the changes in error output
sh@sh-laptop
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4316 'printf (\"This error occurred:\\n%s\\n\", lasterr ());');\n\ |
7001 | 4317 @print{} This error occurred:\n\ |
8015
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Update the manual to reflect the changes in error output
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4318 This is a bad example\n\ |
11572
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Grammarcheck Texinfo for files in src directory.
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4319 @end group\n\ |
6643 | 4320 @end example\n\ |
14172
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4321 \n\ |
cba1c681f1b7
doc: Update seealso references for eval family of functions.
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|
4322 Consider using try/catch blocks instead if you are only using @code{eval}\n\ |
cba1c681f1b7
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|
4323 as an error-capturing mechanism rather than for the execution of arbitrary\n\ |
cba1c681f1b7
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4324 code strings.\n\ |
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doc: Update seealso references for eval family of functions.
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|
4325 @seealso{evalin}\n\ |
3371 | 4326 @end deftypefn") |
3021 | 4327 { |
4328 octave_value_list retval; | |
4329 | |
4330 int nargin = args.length (); | |
4331 | |
4332 if (nargin > 0) | |
4333 { | |
10067
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
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4334 unwind_protect frame; |
3021 | 4335 |
4336 if (nargin > 1) | |
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4337 { |
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4338 frame.protect_var (buffer_error_messages); |
57a59eae83cc
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|
4339 buffer_error_messages++; |
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|
4340 } |
3021 | 4341 |
4342 int parse_status = 0; | |
4343 | |
4463 | 4344 octave_value_list tmp = eval_string (args(0), nargout > 0, |
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4345 parse_status, nargout); |
4463 | 4346 |
3021 | 4347 if (nargin > 1 && (parse_status != 0 || error_state)) |
10315
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4348 { |
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|
4349 error_state = 0; |
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4350 |
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4351 // Set up for letting the user print any messages from |
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4352 // errors that occurred in the first part of this eval(). |
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4353 |
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|
4354 buffer_error_messages--; |
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|
4355 |
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|
4356 tmp = eval_string (args(1), nargout > 0, parse_status, nargout); |
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|
4357 |
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|
4358 if (nargout > 0) |
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|
4359 retval = tmp; |
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|
4360 } |
8033
2ad5ba320b93
parse.y (Feval): Return value produced by evaluating CATCH string
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|
4361 else if (nargout > 0) |
10315
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|
4362 retval = tmp; |
3021 | 4363 } |
4364 else | |
5823 | 4365 print_usage (); |
3021 | 4366 |
4367 return retval; | |
4368 } | |
4369 | |
7562
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|
4370 /* |
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|
4371 |
14084
5aba9fa234cf
Modernize %!tests for eval()
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|
4372 %!shared x |
7562
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|
4373 %! x = 1; |
14084
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Modernize %!tests for eval()
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|
4374 |
5aba9fa234cf
Modernize %!tests for eval()
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|
4375 %!assert (eval ("x"), 1) |
5aba9fa234cf
Modernize %!tests for eval()
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|
4376 %!assert (eval ("x;")) |
5aba9fa234cf
Modernize %!tests for eval()
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|
4377 %!assert (eval ("x;"), 1); |
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Modernize %!tests for eval()
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|
4378 |
7562
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|
4379 %!test |
14084
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Modernize %!tests for eval()
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|
4380 %! y = eval ("x"); |
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Modernize %!tests for eval()
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|
4381 %! assert (y, 1); |
5aba9fa234cf
Modernize %!tests for eval()
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|
4382 |
5aba9fa234cf
Modernize %!tests for eval()
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|
4383 %!test |
5aba9fa234cf
Modernize %!tests for eval()
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|
4384 %! y = eval ("x;"); |
5aba9fa234cf
Modernize %!tests for eval()
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|
4385 %! assert (y, 1); |
5aba9fa234cf
Modernize %!tests for eval()
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|
4386 |
5aba9fa234cf
Modernize %!tests for eval()
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|
4387 %!test |
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Modernize %!tests for eval()
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|
4388 %! eval ("x = 1;") |
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Modernize %!tests for eval()
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|
4389 %! assert (x,1); |
5aba9fa234cf
Modernize %!tests for eval()
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|
4390 |
7562
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|
4391 %!test |
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|
4392 %! eval ("flipud = 2;"); |
14084
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|
4393 %! assert (flipud, 2); |
5aba9fa234cf
Modernize %!tests for eval()
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|
4394 |
5aba9fa234cf
Modernize %!tests for eval()
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changeset
|
4395 %!function y = __f () |
7562
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|
4396 %! eval ("flipud = 2;"); |
c827f5673321
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|
4397 %! y = flipud; |
14084
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|
4398 %!endfunction |
5aba9fa234cf
Modernize %!tests for eval()
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changeset
|
4399 %!assert (__f(), 2) |
7562
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|
4400 |
14533
e6aa044253eb
Allow comma at the end of an assignment list (bug #35645)
Max Brister <max@2bass.com>
parents:
14512
diff
changeset
|
4401 % bug #35645 |
e6aa044253eb
Allow comma at the end of an assignment list (bug #35645)
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parents:
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changeset
|
4402 %!test |
e6aa044253eb
Allow comma at the end of an assignment list (bug #35645)
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changeset
|
4403 %! [a,] = gcd (1,2); |
e6aa044253eb
Allow comma at the end of an assignment list (bug #35645)
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parents:
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changeset
|
4404 %! [a,b,] = gcd (1, 2); |
e6aa044253eb
Allow comma at the end of an assignment list (bug #35645)
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changeset
|
4405 |
7562
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|
4406 */ |
c827f5673321
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|
4407 |
4661 | 4408 DEFUN (assignin, args, , |
4297 | 4409 "-*- texinfo -*-\n\ |
4410 @deftypefn {Built-in Function} {} assignin (@var{context}, @var{varname}, @var{value})\n\ | |
4411 Assign @var{value} to @var{varname} in context @var{context}, which\n\ | |
4412 may be either @code{\"base\"} or @code{\"caller\"}.\n\ | |
14172
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doc: Update seealso references for eval family of functions.
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|
4413 @seealso{evalin}\n\ |
4297 | 4414 @end deftypefn") |
4415 { | |
4416 octave_value_list retval; | |
4417 | |
4418 int nargin = args.length (); | |
4419 | |
4420 if (nargin == 3) | |
4421 { | |
4422 std::string context = args(0).string_value (); | |
4423 | |
4424 if (! error_state) | |
4425 { | |
10315
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|
4426 unwind_protect frame; |
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|
4427 |
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|
4428 if (context == "caller") |
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|
4429 octave_call_stack::goto_caller_frame (); |
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|
4430 else if (context == "base") |
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|
4431 octave_call_stack::goto_base_frame (); |
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|
4432 else |
12483
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Rewrite error strings in src/ to use variables named in documentation.
Rik <octave@nomad.inbox5.com>
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changeset
|
4433 error ("assignin: CONTEXT must be \"caller\" or \"base\""); |
10315
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|
4434 |
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|
4435 if (! error_state) |
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|
4436 { |
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|
4437 frame.add_fcn (octave_call_stack::pop); |
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|
4438 |
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|
4439 std::string nm = args(1).string_value (); |
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|
4440 |
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|
4441 if (! error_state) |
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|
4442 { |
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|
4443 if (valid_identifier (nm)) |
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|
4444 symbol_table::varref (nm) = args(2); |
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|
4445 else |
12483
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Rewrite error strings in src/ to use variables named in documentation.
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|
4446 error ("assignin: invalid variable name in argument VARNAME"); |
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|
4447 } |
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|
4448 else |
12483
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Rewrite error strings in src/ to use variables named in documentation.
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|
4449 error ("assignin: VARNAME must be a string"); |
10315
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|
4450 } |
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|
4451 } |
4297 | 4452 else |
12483
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Rewrite error strings in src/ to use variables named in documentation.
Rik <octave@nomad.inbox5.com>
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diff
changeset
|
4453 error ("assignin: CONTEXT must be a string"); |
4297 | 4454 } |
4455 else | |
5823 | 4456 print_usage (); |
4297 | 4457 |
4458 return retval; | |
4459 } | |
4460 | |
4245 | 4461 DEFUN (evalin, args, nargout, |
4462 "-*- texinfo -*-\n\ | |
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|
4463 @deftypefn {Built-in Function} {} evalin (@var{context}, @var{try})\n\ |
cba1c681f1b7
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|
4464 @deftypefnx {Built-in Function} {} evalin (@var{context}, @var{try}, @var{catch})\n\ |
4245 | 4465 Like @code{eval}, except that the expressions are evaluated in the\n\ |
4466 context @var{context}, which may be either @code{\"caller\"} or\n\ | |
4246 | 4467 @code{\"base\"}.\n\ |
14172
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changeset
|
4468 @seealso{eval, assignin}\n\ |
4245 | 4469 @end deftypefn") |
4470 { | |
4471 octave_value_list retval; | |
4472 | |
4473 int nargin = args.length (); | |
4474 | |
4475 if (nargin > 1) | |
4476 { | |
4477 std::string context = args(0).string_value (); | |
4478 | |
4479 if (! error_state) | |
4480 { | |
10315
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changeset
|
4481 unwind_protect frame; |
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changeset
|
4482 |
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|
4483 if (context == "caller") |
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4484 octave_call_stack::goto_caller_frame (); |
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4485 else if (context == "base") |
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4486 octave_call_stack::goto_base_frame (); |
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4487 else |
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4488 error ("evalin: CONTEXT must be \"caller\" or \"base\""); |
10315
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4489 |
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4490 if (! error_state) |
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4491 { |
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4492 frame.add_fcn (octave_call_stack::pop); |
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4493 |
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4494 if (nargin > 2) |
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4495 { |
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4496 frame.protect_var (buffer_error_messages); |
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4497 buffer_error_messages++; |
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4498 } |
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4499 |
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4500 int parse_status = 0; |
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4501 |
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4502 octave_value_list tmp = eval_string (args(1), nargout > 0, |
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4503 parse_status, nargout); |
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4504 |
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4505 if (nargout > 0) |
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4506 retval = tmp; |
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4507 |
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4508 if (nargin > 2 && (parse_status != 0 || error_state)) |
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4509 { |
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4510 error_state = 0; |
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4511 |
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4512 // Set up for letting the user print any messages from |
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4513 // errors that occurred in the first part of this eval(). |
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4514 |
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4515 buffer_error_messages--; |
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4516 |
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4517 tmp = eval_string (args(2), nargout > 0, |
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4518 parse_status, nargout); |
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4519 |
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4520 retval = (nargout > 0) ? tmp : octave_value_list (); |
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4521 } |
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4522 } |
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4523 } |
4245 | 4524 else |
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4525 error ("evalin: CONTEXT must be a string"); |
4245 | 4526 } |
4527 else | |
5823 | 4528 print_usage (); |
4245 | 4529 |
4530 return retval; | |
4531 } | |
4532 | |
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4533 DEFUN (__parser_debug_flag__, args, nargout, |
8812
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4534 "-*- texinfo -*-\n\ |
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4535 @deftypefn {Built-in Function} {@var{old_val} =} __parser_debug_flag__ (@var{new_val}))\n\ |
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4536 Undocumented internal function.\n\ |
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4537 @end deftypefn") |
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4538 { |
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4539 octave_value retval; |
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4540 |
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4541 bool debug_flag = octave_debug; |
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4542 |
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4543 retval = set_internal_variable (debug_flag, args, nargout, |
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4544 "__parser_debug_flag__"); |
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4545 |
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4546 octave_debug = debug_flag; |
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4547 |
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4548 return retval; |
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4549 } |