Mercurial > octave
annotate libinterp/parse-tree/oct-parse.in.yy @ 17618:77eff9c6fb09
avoid memory leak when parsing function files (bug #40218)
* oct-parse.in.yy (file): Delete opt_list if parsing a function file.
author | John W. Eaton <jwe@octave.org> |
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date | Wed, 09 Oct 2013 13:53:12 -0400 |
parents | 15e2ad6372f7 |
children | fd712a12fe53 |
rev | line source |
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1829 | 1 /* |
1 | 2 |
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3 Copyright (C) 1993-2012 John W. Eaton |
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4 Copyright (C) 2009 David Grundberg |
11523 | 5 Copyright (C) 2009-2010 VZLU Prague |
1 | 6 |
7 This file is part of Octave. | |
8 | |
9 Octave is free software; you can redistribute it and/or modify it | |
10 under the terms of the GNU General Public License as published by the | |
7016 | 11 Free Software Foundation; either version 3 of the License, or (at your |
12 option) any later version. | |
1 | 13 |
14 Octave is distributed in the hope that it will be useful, but WITHOUT | |
15 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
16 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
17 for more details. | |
18 | |
19 You should have received a copy of the GNU General Public License | |
7016 | 20 along with Octave; see the file COPYING. If not, see |
21 <http://www.gnu.org/licenses/>. | |
1 | 22 |
23 */ | |
24 | |
25 // Parser for Octave. | |
26 | |
767 | 27 // C decarations. |
28 | |
1 | 29 %{ |
30 #define YYDEBUG 1 | |
31 | |
240 | 32 #ifdef HAVE_CONFIG_H |
1229 | 33 #include <config.h> |
240 | 34 #endif |
35 | |
3178 | 36 #include <cassert> |
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37 #include <cstdio> |
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38 #include <cstdlib> |
2427 | 39 |
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40 #include <iostream> |
5484 | 41 #include <map> |
5765 | 42 #include <sstream> |
5484 | 43 |
3928 | 44 #include "Cell.h" |
1 | 45 #include "Matrix.h" |
3021 | 46 #include "cmd-edit.h" |
47 #include "cmd-hist.h" | |
48 #include "file-ops.h" | |
49 #include "file-stat.h" | |
4243 | 50 #include "oct-env.h" |
3712 | 51 #include "oct-time.h" |
4171 | 52 #include "quit.h" |
1 | 53 |
3665 | 54 #include "comment-list.h" |
4243 | 55 #include "defaults.h" |
2166 | 56 #include "defun.h" |
4243 | 57 #include "dirfns.h" |
3021 | 58 #include "dynamic-ld.h" |
1351 | 59 #include "error.h" |
60 #include "input.h" | |
61 #include "lex.h" | |
5832 | 62 #include "load-path.h" |
1743 | 63 #include "oct-hist.h" |
5626 | 64 #include "oct-map.h" |
4935 | 65 #include "ov-fcn-handle.h" |
2970 | 66 #include "ov-usr-fcn.h" |
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67 #include "ov-null-mat.h" |
1670 | 68 #include "toplev.h" |
1351 | 69 #include "pager.h" |
70 #include "parse.h" | |
2987 | 71 #include "pt-all.h" |
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72 #include "pt-eval.h" |
1351 | 73 #include "symtab.h" |
74 #include "token.h" | |
3021 | 75 #include "unwind-prot.h" |
1 | 76 #include "utils.h" |
1351 | 77 #include "variables.h" |
1 | 78 |
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79 // oct-parse.h must be included after pt-all.h |
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80 #include <oct-parse.h> |
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81 |
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82 extern int octave_lex (YYSTYPE *, void *); |
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83 |
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84 // Global access to currently active lexer. |
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85 // FIXME -- to be removed after more parser+lexer refactoring. |
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86 octave_base_lexer *LEXER = 0; |
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87 |
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88 #if defined (GNULIB_NAMESPACE) |
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89 // Calls to the following functions appear in the generated output from |
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90 // Bison without the namespace tag. Redefine them so we will use them |
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91 // via the gnulib namespace. |
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92 #define fclose GNULIB_NAMESPACE::fclose |
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93 #define fprintf GNULIB_NAMESPACE::fprintf |
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94 #define malloc GNULIB_NAMESPACE::malloc |
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95 #endif |
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96 |
3021 | 97 // TRUE means we printed messages about reading startup files. |
98 bool reading_startup_message_printed = false; | |
99 | |
5484 | 100 // List of autoloads (function -> file mapping). |
101 static std::map<std::string, std::string> autoload_map; | |
102 | |
496 | 103 // Forward declarations for some functions defined at the bottom of |
104 // the file. | |
105 | |
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106 static void yyerror (octave_base_parser& parser, const char *s); |
1 | 107 |
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108 // Finish building a statement. |
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109 template <class T> |
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110 static tree_statement * |
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111 make_statement (T *arg) |
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112 { |
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113 octave_comment_list *comment = octave_comment_buffer::get_comment (); |
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114 |
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115 return new tree_statement (arg, comment); |
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116 } |
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117 |
1 | 118 #define ABORT_PARSE \ |
119 do \ | |
120 { \ | |
121 yyerrok; \ | |
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122 if ((interactive || forced_interactive) \ |
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123 && ! lexer.input_from_eval_string ()) \ |
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124 YYACCEPT; \ |
1 | 125 else \ |
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126 YYABORT; \ |
1 | 127 } \ |
128 while (0) | |
129 | |
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130 #define lexer parser.lexer |
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131 #define scanner lexer.scanner |
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132 |
1 | 133 %} |
134 | |
666 | 135 // Bison declarations. |
136 | |
4813 | 137 // Don't add spaces around the = here; it causes some versions of |
138 // bison to fail to properly recognize the directive. | |
139 | |
140 %name-prefix="octave_" | |
4753 | 141 |
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142 // We are using the pure parser interface and the reentrant lexer |
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143 // interface but the Octave parser and lexer are NOT properly |
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144 // reentrant because both still use many global variables. It should be |
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145 // safe to create a parser object and call it while anotehr parser |
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146 // object is active (to parse a callback function while the main |
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147 // interactive parser is waiting for input, for example) if you take |
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148 // care to properly save and restore (typically with an unwind_protect |
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149 // object) relevant global values before and after the nested call. |
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150 |
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151 %define api.pure |
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152 %PUSH_PULL_DECL% |
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153 %parse-param { octave_base_parser& parser } |
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154 %lex-param { void *scanner } |
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155 |
1 | 156 %union |
157 { | |
2891 | 158 // The type of the basic tokens returned by the lexer. |
143 | 159 token *tok_val; |
160 | |
3665 | 161 // Comment strings that we need to deal with mid-rule. |
162 octave_comment_list *comment_type; | |
163 | |
2891 | 164 // Types for the nonterminals we generate. |
2525 | 165 char sep_type; |
1 | 166 tree *tree_type; |
1829 | 167 tree_matrix *tree_matrix_type; |
3351 | 168 tree_cell *tree_cell_type; |
496 | 169 tree_expression *tree_expression_type; |
2375 | 170 tree_constant *tree_constant_type; |
4342 | 171 tree_fcn_handle *tree_fcn_handle_type; |
5861 | 172 tree_anon_fcn_handle *tree_anon_fcn_handle_type; |
1 | 173 tree_identifier *tree_identifier_type; |
174 tree_index_expression *tree_index_expression_type; | |
175 tree_colon_expression *tree_colon_expression_type; | |
176 tree_argument_list *tree_argument_list_type; | |
177 tree_parameter_list *tree_parameter_list_type; | |
178 tree_command *tree_command_type; | |
179 tree_if_command *tree_if_command_type; | |
578 | 180 tree_if_clause *tree_if_clause_type; |
181 tree_if_command_list *tree_if_command_list_type; | |
2764 | 182 tree_switch_command *tree_switch_command_type; |
183 tree_switch_case *tree_switch_case_type; | |
184 tree_switch_case_list *tree_switch_case_list_type; | |
2846 | 185 tree_decl_elt *tree_decl_elt_type; |
186 tree_decl_init_list *tree_decl_init_list_type; | |
187 tree_decl_command *tree_decl_command_type; | |
578 | 188 tree_statement *tree_statement_type; |
189 tree_statement_list *tree_statement_list_type; | |
2891 | 190 octave_user_function *octave_user_function_type; |
9476 | 191 void *dummy_type; |
1 | 192 } |
193 | |
143 | 194 // Tokens with line and column information. |
195 %token <tok_val> '=' ':' '-' '+' '*' '/' | |
4018 | 196 %token <tok_val> ADD_EQ SUB_EQ MUL_EQ DIV_EQ LEFTDIV_EQ POW_EQ |
197 %token <tok_val> EMUL_EQ EDIV_EQ ELEFTDIV_EQ EPOW_EQ AND_EQ OR_EQ | |
2899 | 198 %token <tok_val> LSHIFT_EQ RSHIFT_EQ LSHIFT RSHIFT |
428 | 199 %token <tok_val> EXPR_AND_AND EXPR_OR_OR |
143 | 200 %token <tok_val> EXPR_AND EXPR_OR EXPR_NOT |
201 %token <tok_val> EXPR_LT EXPR_LE EXPR_EQ EXPR_NE EXPR_GE EXPR_GT | |
1276 | 202 %token <tok_val> LEFTDIV EMUL EDIV ELEFTDIV EPLUS EMINUS |
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203 %token <tok_val> HERMITIAN TRANSPOSE |
143 | 204 %token <tok_val> PLUS_PLUS MINUS_MINUS POW EPOW |
205 %token <tok_val> NUM IMAG_NUM | |
2970 | 206 %token <tok_val> STRUCT_ELT |
2883 | 207 %token <tok_val> NAME |
143 | 208 %token <tok_val> END |
5279 | 209 %token <tok_val> DQ_STRING SQ_STRING |
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210 %token <tok_val> FOR PARFOR WHILE DO UNTIL |
1491 | 211 %token <tok_val> IF ELSEIF ELSE |
2764 | 212 %token <tok_val> SWITCH CASE OTHERWISE |
1491 | 213 %token <tok_val> BREAK CONTINUE FUNC_RET |
924 | 214 %token <tok_val> UNWIND CLEANUP |
1489 | 215 %token <tok_val> TRY CATCH |
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216 %token <tok_val> GLOBAL PERSISTENT |
4342 | 217 %token <tok_val> FCN_HANDLE |
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218 %token <tok_val> PROPERTIES METHODS EVENTS ENUMERATION |
9476 | 219 %token <tok_val> METAQUERY |
220 %token <tok_val> SUPERCLASSREF | |
221 %token <tok_val> GET SET | |
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222 %token <tok_val> FCN |
1 | 223 |
143 | 224 // Other tokens. |
2970 | 225 %token END_OF_INPUT LEXICAL_ERROR |
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226 %token INPUT_FILE CLASSDEF |
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227 // %token VARARGIN VARARGOUT |
1 | 228 |
143 | 229 // Nonterminals we construct. |
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230 %type <tok_val> function_beg |
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231 %type <comment_type> stash_comment classdef_beg |
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232 %type <comment_type> properties_beg methods_beg events_beg enum_beg |
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233 %type <sep_type> sep_no_nl opt_sep_no_nl nl opt_nl sep opt_sep |
578 | 234 %type <tree_type> input |
5861 | 235 %type <tree_constant_type> string constant magic_colon |
236 %type <tree_anon_fcn_handle_type> anon_fcn_handle | |
4342 | 237 %type <tree_fcn_handle_type> fcn_handle |
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238 %type <tree_matrix_type> matrix_rows |
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239 %type <tree_cell_type> cell_rows |
5102 | 240 %type <tree_expression_type> matrix cell |
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241 %type <tree_expression_type> primary_expr oper_expr |
4207 | 242 %type <tree_expression_type> simple_expr colon_expr assign_expr expression |
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243 %type <tree_identifier_type> identifier fcn_name magic_tilde |
9476 | 244 %type <tree_identifier_type> superclass_identifier meta_identifier |
245 %type <octave_user_function_type> function1 function2 classdef1 | |
2970 | 246 %type <tree_index_expression_type> word_list_cmd |
247 %type <tree_colon_expression_type> colon_expr1 | |
3351 | 248 %type <tree_argument_list_type> arg_list word_list assign_lhs |
249 %type <tree_argument_list_type> cell_or_matrix_row | |
4935 | 250 %type <tree_parameter_list_type> param_list param_list1 param_list2 |
723 | 251 %type <tree_parameter_list_type> return_list return_list1 |
9476 | 252 %type <tree_parameter_list_type> superclasses opt_superclasses |
2970 | 253 %type <tree_command_type> command select_command loop_command |
9476 | 254 %type <tree_command_type> jump_command except_command function |
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255 %type <tree_command_type> file classdef |
578 | 256 %type <tree_if_command_type> if_command |
257 %type <tree_if_clause_type> elseif_clause else_clause | |
258 %type <tree_if_command_list_type> if_cmd_list1 if_cmd_list | |
2764 | 259 %type <tree_switch_command_type> switch_command |
260 %type <tree_switch_case_type> switch_case default_case | |
261 %type <tree_switch_case_list_type> case_list1 case_list | |
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262 %type <tree_decl_elt_type> decl2 param_list_elt |
2846 | 263 %type <tree_decl_init_list_type> decl1 |
264 %type <tree_decl_command_type> declaration | |
9476 | 265 %type <tree_statement_type> statement function_end classdef_end |
627 | 266 %type <tree_statement_list_type> simple_list simple_list1 list list1 |
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267 %type <tree_statement_list_type> opt_list |
9476 | 268 // These types need to be specified. |
269 %type <dummy_type> attr | |
270 %type <dummy_type> class_event | |
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271 %type <dummy_type> class_enum |
9476 | 272 %type <dummy_type> class_property |
273 %type <dummy_type> properties_list | |
274 %type <dummy_type> properties_block | |
275 %type <dummy_type> methods_list | |
276 %type <dummy_type> methods_block | |
277 %type <dummy_type> opt_attr_list | |
278 %type <dummy_type> attr_list | |
279 %type <dummy_type> events_list | |
280 %type <dummy_type> events_block | |
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281 %type <dummy_type> enum_list |
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282 %type <dummy_type> enum_block |
9476 | 283 %type <dummy_type> class_body |
1 | 284 |
143 | 285 // Precedence and associativity. |
4018 | 286 %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 | 287 %left EXPR_OR_OR |
288 %left EXPR_AND_AND | |
289 %left EXPR_OR | |
290 %left EXPR_AND | |
1 | 291 %left EXPR_LT EXPR_LE EXPR_EQ EXPR_NE EXPR_GE EXPR_GT |
2899 | 292 %left LSHIFT RSHIFT |
1 | 293 %left ':' |
1276 | 294 %left '-' '+' EPLUS EMINUS |
1 | 295 %left '*' '/' LEFTDIV EMUL EDIV ELEFTDIV |
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296 %right UNARY EXPR_NOT |
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297 %left POW EPOW HERMITIAN TRANSPOSE |
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298 %right PLUS_PLUS MINUS_MINUS |
3351 | 299 %left '(' '.' '{' |
1 | 300 |
143 | 301 // Where to start. |
1 | 302 %start input |
303 | |
304 %% | |
305 | |
2970 | 306 // ============================== |
307 // Statements and statement lists | |
308 // ============================== | |
309 | |
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310 input : simple_list '\n' |
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311 { |
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312 parser.stmt_list = $1; |
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313 YYACCEPT; |
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314 } |
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315 | simple_list END_OF_INPUT |
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316 { |
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317 lexer.end_of_input = true; |
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318 parser.stmt_list = $1; |
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319 YYACCEPT; |
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320 } |
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321 | parse_error |
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322 { ABORT_PARSE; } |
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323 ; |
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324 |
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325 simple_list : opt_sep_no_nl |
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326 { $$ = 0; } |
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327 | simple_list1 opt_sep_no_nl |
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328 { $$ = parser.set_stmt_print_flag ($1, $2, false); } |
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329 ; |
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330 |
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331 simple_list1 : statement |
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332 { $$ = parser.make_statement_list ($1); } |
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333 | simple_list1 sep_no_nl statement |
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334 { $$ = parser.append_statement_list ($1, $2, $3, false); } |
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335 ; |
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336 |
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337 opt_list : // empty |
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338 { $$ = new tree_statement_list (); } |
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339 | list |
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340 { $$ = $1; } |
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341 ; |
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342 |
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343 list : list1 opt_sep |
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344 { $$ = parser.set_stmt_print_flag ($1, $2, true); } |
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345 ; |
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346 |
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347 list1 : statement |
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348 { $$ = parser.make_statement_list ($1); } |
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349 | list1 sep statement |
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350 { $$ = parser.append_statement_list ($1, $2, $3, true); } |
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351 ; |
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352 |
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353 statement : expression |
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354 { $$ = make_statement ($1); } |
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355 | command |
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356 { $$ = make_statement ($1); } |
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357 | word_list_cmd |
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358 { $$ = make_statement ($1); } |
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359 ; |
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360 |
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361 // ================= |
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362 // Word-list command |
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363 // ================= |
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364 |
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365 // These are not really like expressions since they can't appear on |
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366 // the RHS of an assignment. But they are also not like commands (IF, |
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367 // WHILE, etc. |
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368 |
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369 word_list_cmd : identifier word_list |
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370 { |
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371 $$ = parser.make_index_expression ($1, $2, '('); |
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372 if (! $$) |
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373 ABORT_PARSE; |
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374 } |
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375 ; |
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376 |
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377 word_list : string |
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378 { $$ = new tree_argument_list ($1); } |
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379 | word_list string |
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380 { |
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381 $1->append ($2); |
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382 $$ = $1; |
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383 } |
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384 ; |
1 | 385 |
2970 | 386 // =========== |
387 // Expressions | |
388 // =========== | |
389 | |
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390 identifier : NAME |
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391 { |
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392 symbol_table::symbol_record *sr = $1->sym_rec (); |
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393 $$ = new tree_identifier (*sr, $1->line (), $1->column ()); |
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394 } |
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395 ; |
2970 | 396 |
9476 | 397 superclass_identifier |
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398 : SUPERCLASSREF |
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399 { $$ = new tree_identifier ($1->line (), $1->column ()); } |
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400 ; |
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401 |
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402 meta_identifier : METAQUERY |
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403 { $$ = new tree_identifier ($1->line (), $1->column ()); } |
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404 ; |
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405 |
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406 string : DQ_STRING |
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407 { $$ = parser.make_constant (DQ_STRING, $1); } |
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408 | SQ_STRING |
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409 { $$ = parser.make_constant (SQ_STRING, $1); } |
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410 ; |
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411 |
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412 constant : NUM |
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413 { $$ = parser.make_constant (NUM, $1); } |
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414 | IMAG_NUM |
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415 { $$ = parser.make_constant (IMAG_NUM, $1); } |
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416 | string |
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417 { $$ = $1; } |
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418 ; |
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419 |
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420 matrix : '[' matrix_rows ']' |
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421 { $$ = parser.finish_matrix ($2); } |
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422 ; |
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423 |
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424 matrix_rows : cell_or_matrix_row |
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425 { $$ = $1 ? new tree_matrix ($1) : 0; } |
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426 | matrix_rows ';' cell_or_matrix_row |
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427 { |
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428 if ($1) |
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429 { |
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430 if ($3) |
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431 $1->append ($3); |
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432 |
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433 $$ = $1; |
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434 } |
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435 else |
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436 $$ = $3 ? new tree_matrix ($3) : 0; |
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437 } |
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438 ; |
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439 |
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440 cell : '{' cell_rows '}' |
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441 { $$ = parser.finish_cell ($2); } |
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442 ; |
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443 |
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444 cell_rows : cell_or_matrix_row |
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445 { $$ = $1 ? new tree_cell ($1) : 0; } |
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446 | cell_rows ';' cell_or_matrix_row |
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447 { |
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448 if ($1) |
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449 { |
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450 if ($3) |
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451 $1->append ($3); |
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452 |
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453 $$ = $1; |
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454 } |
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455 else |
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456 $$ = $3 ? new tree_cell ($3) : 0; |
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457 } |
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458 ; |
3351 | 459 |
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460 // tree_argument_list objects can't be empty or have leading or trailing |
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461 // commas, but those are all allowed in matrix and cell array rows. |
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462 |
3351 | 463 cell_or_matrix_row |
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464 : // empty |
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465 { $$ = 0; } |
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466 | ',' |
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467 { $$ = 0; } |
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468 | arg_list |
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469 { $$ = $1; } |
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470 | arg_list ',' |
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471 { $$ = $1; } |
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472 | ',' arg_list |
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473 { $$ = $2; } |
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474 | ',' arg_list ',' |
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475 { $$ = $2; } |
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476 ; |
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477 |
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478 fcn_handle : '@' FCN_HANDLE |
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479 { |
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480 $$ = parser.make_fcn_handle ($2); |
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481 lexer.looking_at_function_handle--; |
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482 } |
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483 ; |
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484 |
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485 anon_fcn_handle : '@' param_list stmt_begin statement |
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486 { |
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487 $$ = parser.make_anon_fcn_handle ($2, $4); |
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488 lexer.nesting_level.remove (); |
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489 } |
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490 ; |
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491 |
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492 primary_expr : identifier |
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493 { $$ = $1; } |
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494 | constant |
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495 { $$ = $1; } |
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496 | fcn_handle |
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497 { $$ = $1; } |
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498 | matrix |
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499 { |
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500 lexer.looking_at_matrix_or_assign_lhs = false; |
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501 $$ = $1; |
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502 } |
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503 | cell |
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504 { $$ = $1; } |
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505 | meta_identifier |
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506 { $$ = $1; } |
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507 | superclass_identifier |
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508 { $$ = $1; } |
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509 | '(' expression ')' |
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510 { $$ = $2->mark_in_parens (); } |
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511 ; |
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512 |
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513 magic_colon : ':' |
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514 { |
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515 octave_value tmp (octave_value::magic_colon_t); |
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516 $$ = new tree_constant (tmp); |
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517 } |
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518 ; |
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519 |
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520 magic_tilde : EXPR_NOT |
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521 { |
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522 $$ = new tree_black_hole (); |
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523 } |
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524 ; |
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525 |
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526 arg_list : expression |
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527 { $$ = new tree_argument_list ($1); } |
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528 | magic_colon |
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529 { $$ = new tree_argument_list ($1); } |
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530 | magic_tilde |
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531 { $$ = new tree_argument_list ($1); } |
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532 | arg_list ',' magic_colon |
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533 { |
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534 $1->append ($3); |
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535 $$ = $1; |
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536 } |
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537 | arg_list ',' magic_tilde |
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538 { |
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539 $1->append ($3); |
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540 $$ = $1; |
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541 } |
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542 | arg_list ',' expression |
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543 { |
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544 $1->append ($3); |
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545 $$ = $1; |
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546 } |
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547 ; |
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548 |
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549 indirect_ref_op : '.' |
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550 { lexer.looking_at_indirect_ref = true; } |
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551 ; |
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552 |
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553 oper_expr : primary_expr |
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554 { $$ = $1; } |
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555 | oper_expr PLUS_PLUS |
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556 { $$ = parser.make_postfix_op (PLUS_PLUS, $1, $2); } |
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557 | oper_expr MINUS_MINUS |
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558 { $$ = parser.make_postfix_op (MINUS_MINUS, $1, $2); } |
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559 | oper_expr '(' ')' |
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560 { |
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561 $$ = parser.make_index_expression ($1, 0, '('); |
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562 if (! $$) |
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563 ABORT_PARSE; |
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564 } |
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565 | oper_expr '(' arg_list ')' |
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566 { |
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567 $$ = parser.make_index_expression ($1, $3, '('); |
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568 if (! $$) |
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569 ABORT_PARSE; |
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570 } |
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571 | oper_expr '{' '}' |
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572 { |
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573 $$ = parser.make_index_expression ($1, 0, '{'); |
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574 if (! $$) |
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575 ABORT_PARSE; |
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576 } |
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577 | oper_expr '{' arg_list '}' |
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578 { |
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579 $$ = parser.make_index_expression ($1, $3, '{'); |
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580 if (! $$) |
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581 ABORT_PARSE; |
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582 } |
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583 | oper_expr HERMITIAN |
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584 { $$ = parser.make_postfix_op (HERMITIAN, $1, $2); } |
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585 | oper_expr TRANSPOSE |
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586 { $$ = parser.make_postfix_op (TRANSPOSE, $1, $2); } |
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587 | oper_expr indirect_ref_op STRUCT_ELT |
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588 { $$ = parser.make_indirect_ref ($1, $3->text ()); } |
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589 | oper_expr indirect_ref_op '(' expression ')' |
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590 { $$ = parser.make_indirect_ref ($1, $4); } |
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591 | PLUS_PLUS oper_expr %prec UNARY |
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592 { $$ = parser.make_prefix_op (PLUS_PLUS, $2, $1); } |
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593 | MINUS_MINUS oper_expr %prec UNARY |
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594 { $$ = parser.make_prefix_op (MINUS_MINUS, $2, $1); } |
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595 | EXPR_NOT oper_expr %prec UNARY |
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596 { $$ = parser.make_prefix_op (EXPR_NOT, $2, $1); } |
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597 | '+' oper_expr %prec UNARY |
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598 { $$ = parser.make_prefix_op ('+', $2, $1); } |
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599 | '-' oper_expr %prec UNARY |
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600 { $$ = parser.make_prefix_op ('-', $2, $1); } |
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601 | oper_expr POW oper_expr |
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602 { $$ = parser.make_binary_op (POW, $1, $2, $3); } |
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603 | oper_expr EPOW oper_expr |
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604 { $$ = parser.make_binary_op (EPOW, $1, $2, $3); } |
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605 | oper_expr '+' oper_expr |
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606 { $$ = parser.make_binary_op ('+', $1, $2, $3); } |
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607 | oper_expr '-' oper_expr |
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608 { $$ = parser.make_binary_op ('-', $1, $2, $3); } |
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609 | oper_expr '*' oper_expr |
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610 { $$ = parser.make_binary_op ('*', $1, $2, $3); } |
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611 | oper_expr '/' oper_expr |
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612 { $$ = parser.make_binary_op ('/', $1, $2, $3); } |
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613 | oper_expr EPLUS oper_expr |
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614 { $$ = parser.make_binary_op ('+', $1, $2, $3); } |
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615 | oper_expr EMINUS oper_expr |
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616 { $$ = parser.make_binary_op ('-', $1, $2, $3); } |
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617 | oper_expr EMUL oper_expr |
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618 { $$ = parser.make_binary_op (EMUL, $1, $2, $3); } |
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619 | oper_expr EDIV oper_expr |
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620 { $$ = parser.make_binary_op (EDIV, $1, $2, $3); } |
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621 | oper_expr LEFTDIV oper_expr |
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622 { $$ = parser.make_binary_op (LEFTDIV, $1, $2, $3); } |
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623 | oper_expr ELEFTDIV oper_expr |
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624 { $$ = parser.make_binary_op (ELEFTDIV, $1, $2, $3); } |
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625 ; |
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626 |
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627 colon_expr : colon_expr1 |
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628 { $$ = parser.finish_colon_expression ($1); } |
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629 ; |
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630 |
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631 colon_expr1 : oper_expr |
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632 { $$ = new tree_colon_expression ($1); } |
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633 | colon_expr1 ':' oper_expr |
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634 { |
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635 if (! ($$ = $1->append ($3))) |
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636 ABORT_PARSE; |
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637 } |
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638 ; |
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639 |
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640 simple_expr : colon_expr |
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641 { $$ = $1; } |
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642 | simple_expr LSHIFT simple_expr |
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643 { $$ = parser.make_binary_op (LSHIFT, $1, $2, $3); } |
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644 | simple_expr RSHIFT simple_expr |
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645 { $$ = parser.make_binary_op (RSHIFT, $1, $2, $3); } |
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646 | simple_expr EXPR_LT simple_expr |
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647 { $$ = parser.make_binary_op (EXPR_LT, $1, $2, $3); } |
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648 | simple_expr EXPR_LE simple_expr |
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649 { $$ = parser.make_binary_op (EXPR_LE, $1, $2, $3); } |
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650 | simple_expr EXPR_EQ simple_expr |
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651 { $$ = parser.make_binary_op (EXPR_EQ, $1, $2, $3); } |
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652 | simple_expr EXPR_GE simple_expr |
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653 { $$ = parser.make_binary_op (EXPR_GE, $1, $2, $3); } |
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654 | simple_expr EXPR_GT simple_expr |
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655 { $$ = parser.make_binary_op (EXPR_GT, $1, $2, $3); } |
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656 | simple_expr EXPR_NE simple_expr |
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657 { $$ = parser.make_binary_op (EXPR_NE, $1, $2, $3); } |
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658 | simple_expr EXPR_AND simple_expr |
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659 { $$ = parser.make_binary_op (EXPR_AND, $1, $2, $3); } |
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660 | simple_expr EXPR_OR simple_expr |
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661 { $$ = parser.make_binary_op (EXPR_OR, $1, $2, $3); } |
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662 | simple_expr EXPR_AND_AND simple_expr |
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663 { $$ = parser.make_boolean_op (EXPR_AND_AND, $1, $2, $3); } |
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664 | simple_expr EXPR_OR_OR simple_expr |
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665 { $$ = parser.make_boolean_op (EXPR_OR_OR, $1, $2, $3); } |
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666 ; |
2970 | 667 |
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668 assign_lhs : simple_expr |
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669 { |
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670 $$ = parser.validate_matrix_for_assignment ($1); |
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671 |
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672 if ($$) |
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673 { lexer.looking_at_matrix_or_assign_lhs = false; } |
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674 else |
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675 { |
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676 // validate_matrix_for_assignment deleted $1. |
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677 ABORT_PARSE; |
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678 } |
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679 } |
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680 ; |
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681 |
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682 assign_expr : assign_lhs '=' expression |
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683 { $$ = parser.make_assign_op ('=', $1, $2, $3); } |
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684 | assign_lhs ADD_EQ expression |
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685 { $$ = parser.make_assign_op (ADD_EQ, $1, $2, $3); } |
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686 | assign_lhs SUB_EQ expression |
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687 { $$ = parser.make_assign_op (SUB_EQ, $1, $2, $3); } |
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688 | assign_lhs MUL_EQ expression |
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689 { $$ = parser.make_assign_op (MUL_EQ, $1, $2, $3); } |
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690 | assign_lhs DIV_EQ expression |
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691 { $$ = parser.make_assign_op (DIV_EQ, $1, $2, $3); } |
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692 | assign_lhs LEFTDIV_EQ expression |
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693 { $$ = parser.make_assign_op (LEFTDIV_EQ, $1, $2, $3); } |
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694 | assign_lhs POW_EQ expression |
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695 { $$ = parser.make_assign_op (POW_EQ, $1, $2, $3); } |
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696 | assign_lhs LSHIFT_EQ expression |
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697 { $$ = parser.make_assign_op (LSHIFT_EQ, $1, $2, $3); } |
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698 | assign_lhs RSHIFT_EQ expression |
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699 { $$ = parser.make_assign_op (RSHIFT_EQ, $1, $2, $3); } |
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700 | assign_lhs EMUL_EQ expression |
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701 { $$ = parser.make_assign_op (EMUL_EQ, $1, $2, $3); } |
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702 | assign_lhs EDIV_EQ expression |
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703 { $$ = parser.make_assign_op (EDIV_EQ, $1, $2, $3); } |
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704 | assign_lhs ELEFTDIV_EQ expression |
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705 { $$ = parser.make_assign_op (ELEFTDIV_EQ, $1, $2, $3); } |
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706 | assign_lhs EPOW_EQ expression |
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707 { $$ = parser.make_assign_op (EPOW_EQ, $1, $2, $3); } |
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708 | assign_lhs AND_EQ expression |
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709 { $$ = parser.make_assign_op (AND_EQ, $1, $2, $3); } |
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710 | assign_lhs OR_EQ expression |
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711 { $$ = parser.make_assign_op (OR_EQ, $1, $2, $3); } |
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712 ; |
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713 |
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714 expression : simple_expr |
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715 { |
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716 if ($1 && ($1->is_matrix () || $1->is_cell ())) |
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717 { |
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718 if (parser.validate_array_list ($1)) |
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719 $$ = $1; |
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720 else |
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721 { |
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722 delete $1; |
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723 ABORT_PARSE; |
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724 } |
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725 } |
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726 else |
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727 $$ = $1; |
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728 } |
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729 | assign_expr |
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730 { $$ = $1; } |
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731 | anon_fcn_handle |
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732 { $$ = $1; } |
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733 ; |
2970 | 734 |
735 // ================================================ | |
736 // Commands, declarations, and function definitions | |
737 // ================================================ | |
738 | |
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739 command : declaration |
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740 { $$ = $1; } |
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741 | select_command |
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742 { $$ = $1; } |
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743 | loop_command |
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744 { $$ = $1; } |
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745 | jump_command |
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746 { $$ = $1; } |
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747 | except_command |
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748 { $$ = $1; } |
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749 | function |
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750 { $$ = $1; } |
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751 | file |
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752 { $$ = $1; } |
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753 | classdef |
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754 { $$ = $1; } |
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755 ; |
2970 | 756 |
757 // ===================== | |
758 // Declaration statemnts | |
759 // ===================== | |
760 | |
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761 declaration : GLOBAL decl1 |
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762 { |
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763 $$ = parser.make_decl_command (GLOBAL, $1, $2); |
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764 lexer.looking_at_decl_list = false; |
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765 } |
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766 | PERSISTENT decl1 |
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767 { |
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768 $$ = parser.make_decl_command (PERSISTENT, $1, $2); |
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769 lexer.looking_at_decl_list = false; |
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770 } |
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771 ; |
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772 |
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773 decl1 : decl2 |
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774 { $$ = new tree_decl_init_list ($1); } |
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775 | decl1 decl2 |
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776 { |
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777 $1->append ($2); |
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778 $$ = $1; |
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779 } |
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780 ; |
2970 | 781 |
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782 decl_param_init : // empty |
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783 { lexer.looking_at_initializer_expression = true; } |
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784 |
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785 decl2 : identifier |
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786 { $$ = new tree_decl_elt ($1); } |
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787 | identifier '=' decl_param_init expression |
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788 { |
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789 lexer.looking_at_initializer_expression = false; |
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790 $$ = new tree_decl_elt ($1, $4); |
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791 } |
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792 ; |
2970 | 793 |
794 // ==================== | |
795 // Selection statements | |
796 // ==================== | |
797 | |
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798 select_command : if_command |
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799 { $$ = $1; } |
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800 | switch_command |
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801 { $$ = $1; } |
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802 ; |
2970 | 803 |
804 // ============ | |
805 // If statement | |
806 // ============ | |
807 | |
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808 if_command : IF stash_comment if_cmd_list END |
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809 { |
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810 if (! ($$ = parser.finish_if_command ($1, $3, $4, $2))) |
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811 ABORT_PARSE; |
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812 } |
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813 ; |
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814 |
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815 if_cmd_list : if_cmd_list1 |
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816 { $$ = $1; } |
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817 | if_cmd_list1 else_clause |
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818 { |
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819 $1->append ($2); |
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820 $$ = $1; |
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821 } |
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822 ; |
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823 |
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824 if_cmd_list1 : expression stmt_begin opt_sep opt_list |
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825 { |
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826 $1->mark_braindead_shortcircuit (lexer.fcn_file_full_name); |
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827 |
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828 $$ = parser.start_if_command ($1, $4); |
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829 } |
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830 | if_cmd_list1 elseif_clause |
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831 { |
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832 $1->append ($2); |
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833 $$ = $1; |
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834 } |
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835 ; |
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836 |
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837 elseif_clause : ELSEIF stash_comment opt_sep expression stmt_begin opt_sep opt_list |
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838 { |
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839 $4->mark_braindead_shortcircuit (lexer.fcn_file_full_name); |
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840 |
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841 $$ = parser.make_elseif_clause ($1, $4, $7, $2); |
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842 } |
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843 ; |
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844 |
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845 else_clause : ELSE stash_comment opt_sep opt_list |
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846 { $$ = new tree_if_clause ($4, $2); } |
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847 ; |
2970 | 848 |
849 // ================ | |
850 // Switch statement | |
851 // ================ | |
852 | |
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853 switch_command : SWITCH stash_comment expression opt_sep case_list END |
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854 { |
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855 if (! ($$ = parser.finish_switch_command ($1, $3, $5, $6, $2))) |
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856 ABORT_PARSE; |
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857 } |
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858 ; |
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859 |
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860 case_list : // empty |
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861 { $$ = new tree_switch_case_list (); } |
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862 | default_case |
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863 { $$ = new tree_switch_case_list ($1); } |
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864 | case_list1 |
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865 { $$ = $1; } |
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866 | case_list1 default_case |
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867 { |
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868 $1->append ($2); |
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869 $$ = $1; |
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870 } |
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871 ; |
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872 |
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873 case_list1 : switch_case |
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874 { $$ = new tree_switch_case_list ($1); } |
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875 | case_list1 switch_case |
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876 { |
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877 $1->append ($2); |
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878 $$ = $1; |
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879 } |
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880 ; |
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881 |
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882 switch_case : CASE stash_comment opt_sep expression stmt_begin opt_sep opt_list |
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883 { $$ = parser.make_switch_case ($1, $4, $7, $2); } |
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884 ; |
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885 |
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886 default_case : OTHERWISE stash_comment opt_sep opt_list |
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887 { |
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888 $$ = new tree_switch_case ($4, $2); |
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889 } |
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890 ; |
2970 | 891 |
892 // ======= | |
893 // Looping | |
894 // ======= | |
895 | |
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896 loop_command : WHILE stash_comment expression stmt_begin opt_sep opt_list END |
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897 { |
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898 $3->mark_braindead_shortcircuit (lexer.fcn_file_full_name); |
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899 |
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900 if (! ($$ = parser.make_while_command ($1, $3, $6, $7, $2))) |
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901 ABORT_PARSE; |
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902 } |
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903 | DO stash_comment opt_sep opt_list UNTIL expression |
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904 { |
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changeset
|
905 if (! ($$ = parser.make_do_until_command ($5, $4, $6, $2))) |
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|
906 ABORT_PARSE; |
57a59eae83cc
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changeset
|
907 } |
16681
d3619d4d267c
recognize character string at beginning of statement (bug #38926, #38958)
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|
908 | FOR stash_comment assign_lhs '=' expression stmt_begin opt_sep opt_list END |
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909 { |
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910 if (! ($$ = parser.make_for_command (FOR, $1, $3, $5, 0, |
16681
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recognize character string at beginning of statement (bug #38926, #38958)
John W. Eaton <jwe@octave.org>
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diff
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|
911 $8, $9, $2))) |
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912 ABORT_PARSE; |
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|
913 } |
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|
914 | FOR stash_comment '(' assign_lhs '=' expression ')' opt_sep opt_list END |
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915 { |
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|
916 if (! ($$ = parser.make_for_command (FOR, $1, $4, $6, 0, |
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027a2186cd90
parfor keyword and infrastructure, but handle parfor as normal for loop for now
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|
917 $9, $10, $2))) |
027a2186cd90
parfor keyword and infrastructure, but handle parfor as normal for loop for now
John W. Eaton <jwe@octave.org>
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diff
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|
918 ABORT_PARSE; |
027a2186cd90
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diff
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|
919 } |
16681
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|
920 | PARFOR stash_comment assign_lhs '=' expression stmt_begin opt_sep opt_list END |
13245
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|
921 { |
16288
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|
922 if (! ($$ = parser.make_for_command (PARFOR, $1, $3, $5, |
16681
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recognize character string at beginning of statement (bug #38926, #38958)
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diff
changeset
|
923 0, $8, $9, $2))) |
13245
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John W. Eaton <jwe@octave.org>
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|
924 ABORT_PARSE; |
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|
925 } |
027a2186cd90
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|
926 | PARFOR stash_comment '(' assign_lhs '=' expression ',' expression ')' opt_sep opt_list END |
027a2186cd90
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|
927 { |
16288
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|
928 if (! ($$ = parser.make_for_command (PARFOR, $1, $4, $6, |
13245
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|
929 $8, $11, $12, $2))) |
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|
930 ABORT_PARSE; |
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|
931 } |
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|
932 ; |
2970 | 933 |
934 // ======= | |
935 // Jumping | |
936 // ======= | |
937 | |
10315
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938 jump_command : BREAK |
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|
939 { |
16288
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940 if (! ($$ = parser.make_break_command ($1))) |
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|
941 ABORT_PARSE; |
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|
942 } |
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|
943 | CONTINUE |
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944 { |
16288
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|
945 if (! ($$ = parser.make_continue_command ($1))) |
10315
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|
946 ABORT_PARSE; |
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|
947 } |
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|
948 | FUNC_RET |
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|
949 { |
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950 if (! ($$ = parser.make_return_command ($1))) |
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|
951 ABORT_PARSE; |
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|
952 } |
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|
953 ; |
2970 | 954 |
955 // ========== | |
956 // Exceptions | |
957 // ========== | |
958 | |
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959 except_command : UNWIND stash_comment opt_sep opt_list CLEANUP |
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960 stash_comment opt_sep opt_list END |
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961 { |
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962 if (! ($$ = parser.make_unwind_command ($1, $4, $8, $9, $2, $6))) |
10315
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|
963 ABORT_PARSE; |
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|
964 } |
17283
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eliminate parse conflicts introduced by changeset 923ce8b42db2
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|
965 | TRY stash_comment opt_sep opt_list CATCH stash_comment |
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changeset
|
966 opt_sep opt_list END |
17249
923ce8b42db2
improve try-catch-statement to save exception to a variable (bug #33217)
Stefan Mahr <dac922@gmx.de>
parents:
17170
diff
changeset
|
967 { |
17283
e6c0ac8ce5b6
eliminate parse conflicts introduced by changeset 923ce8b42db2
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|
968 if (! ($$ = parser.make_try_command ($1, $4, $7, $8, $9, $2, $6))) |
10315
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|
969 ABORT_PARSE; |
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|
970 } |
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971 | TRY stash_comment opt_sep opt_list END |
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|
972 { |
17249
923ce8b42db2
improve try-catch-statement to save exception to a variable (bug #33217)
Stefan Mahr <dac922@gmx.de>
parents:
17170
diff
changeset
|
973 if (! ($$ = parser.make_try_command ($1, $4, 0, 0, $5, $2, 0))) |
10315
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|
974 ABORT_PARSE; |
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|
975 } |
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|
976 ; |
2970 | 977 |
978 // =========================================== | |
15466
d174210ce1ec
use ' instead of ` in error messages, warnings and most comments
John W. Eaton <jwe@octave.org>
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|
979 // Some 'subroutines' for function definitions |
2970 | 980 // =========================================== |
981 | |
10315
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982 push_fcn_symtab : // empty |
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|
983 { |
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|
984 parser.curr_fcn_depth++; |
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|
985 |
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|
986 if (parser.max_fcn_depth < parser.curr_fcn_depth) |
fe3b9a51e625
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|
987 parser.max_fcn_depth = parser.curr_fcn_depth; |
10315
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|
988 |
16320
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|
989 lexer.symtab_context.push (symbol_table::alloc_scope ()); |
09f0cb9cac7d
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16302
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|
990 |
09f0cb9cac7d
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|
991 parser.function_scopes.push_back |
09f0cb9cac7d
don't modify symbol table scope in the parser
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diff
changeset
|
992 (lexer.symtab_context.curr_scope ()); |
16288
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|
993 |
fe3b9a51e625
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|
994 if (! lexer.reading_script_file |
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|
995 && parser.curr_fcn_depth == 1 |
fe3b9a51e625
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|
996 && ! parser.parsing_subfunctions) |
16320
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|
997 parser.primary_fcn_scope |
09f0cb9cac7d
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changeset
|
998 = lexer.symtab_context.curr_scope (); |
16288
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|
999 |
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|
1000 if (lexer.reading_script_file |
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|
1001 && parser.curr_fcn_depth > 1) |
fe3b9a51e625
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changeset
|
1002 parser.bison_error ("nested functions not implemented in this context"); |
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1003 } |
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|
1004 ; |
2970 | 1005 |
1006 // =========================== | |
1007 // List of function parameters | |
1008 // =========================== | |
1009 | |
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1010 param_list_beg : '(' |
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1011 { |
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|
1012 lexer.looking_at_parameter_list = true; |
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1013 |
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1014 if (lexer.looking_at_function_handle) |
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1015 { |
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|
1016 lexer.symtab_context.push (symbol_table::alloc_scope ()); |
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|
1017 lexer.looking_at_function_handle--; |
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|
1018 lexer.looking_at_anon_fcn_args = true; |
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1019 } |
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1020 } |
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|
1021 ; |
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|
1022 |
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1023 param_list_end : ')' |
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1024 { |
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|
1025 lexer.looking_at_parameter_list = false; |
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|
1026 lexer.looking_for_object_index = false; |
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1027 } |
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|
1028 ; |
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1029 |
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|
1030 param_list : param_list_beg param_list1 param_list_end |
16360
11115c237231
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|
1031 { |
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|
1032 if ($2) |
11115c237231
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diff
changeset
|
1033 lexer.mark_as_variables ($2->variable_names ()); |
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|
1034 |
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diff
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|
1035 $$ = $2; |
11115c237231
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16320
diff
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|
1036 } |
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1037 | param_list_beg error |
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1038 { |
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John W. Eaton <jwe@octave.org>
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|
1039 parser.bison_error ("invalid parameter list"); |
10315
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1040 $$ = 0; |
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|
1041 ABORT_PARSE; |
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|
1042 } |
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|
1043 ; |
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|
1044 |
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|
1045 param_list1 : // empty |
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1046 { $$ = 0; } |
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|
1047 | param_list2 |
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|
1048 { |
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1049 $1->mark_as_formal_parameters (); |
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1050 if ($1->validate (tree_parameter_list::in)) |
16360
11115c237231
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|
1051 { |
11115c237231
recognize variables when parsing (bug #38576)
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diff
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|
1052 lexer.mark_as_variables ($1->variable_names ()); |
11115c237231
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diff
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|
1053 $$ = $1; |
11115c237231
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diff
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|
1054 } |
10315
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|
1055 else |
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|
1056 ABORT_PARSE; |
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|
1057 } |
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|
1058 ; |
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1059 |
17317
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disallow ~ in global and persistent declaration lists
John W. Eaton <jwe@octave.org>
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|
1060 param_list2 : param_list_elt |
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1061 { $$ = new tree_parameter_list ($1); } |
17317
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disallow ~ in global and persistent declaration lists
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|
1062 | param_list2 ',' param_list_elt |
10315
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|
1063 { |
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1064 $1->append ($3); |
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|
1065 $$ = $1; |
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|
1066 } |
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|
1067 ; |
2970 | 1068 |
17317
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disallow ~ in global and persistent declaration lists
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|
1069 param_list_elt : decl2 |
56fe31b248de
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|
1070 { $$ = $1; } |
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diff
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|
1071 | magic_tilde |
56fe31b248de
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diff
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|
1072 { $$ = new tree_decl_elt ($1); } |
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diff
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|
1073 ; |
56fe31b248de
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diff
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|
1074 |
2970 | 1075 // =================================== |
1076 // List of function return value names | |
1077 // =================================== | |
1078 | |
10315
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untabify src C++ source files
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1079 return_list : '[' ']' |
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1080 { |
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|
1081 lexer.looking_at_return_list = false; |
17316
8e2906e2fb26
avoid reduce/reduce conflict in parser rules
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|
1082 |
10315
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1083 $$ = new tree_parameter_list (); |
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|
1084 } |
17316
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avoid reduce/reduce conflict in parser rules
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|
1085 | identifier |
10315
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untabify src C++ source files
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|
1086 { |
16288
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|
1087 lexer.looking_at_return_list = false; |
17316
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|
1088 |
8e2906e2fb26
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diff
changeset
|
1089 tree_parameter_list *tmp = new tree_parameter_list ($1); |
8e2906e2fb26
avoid reduce/reduce conflict in parser rules
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|
1090 |
8e2906e2fb26
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|
1091 // Even though this parameter list can contain only |
8e2906e2fb26
avoid reduce/reduce conflict in parser rules
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diff
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|
1092 // a single identifier, we still need to validate it |
8e2906e2fb26
avoid reduce/reduce conflict in parser rules
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|
1093 // to check for varargin or varargout. |
8e2906e2fb26
avoid reduce/reduce conflict in parser rules
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|
1094 |
8e2906e2fb26
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|
1095 if (tmp->validate (tree_parameter_list::out)) |
8e2906e2fb26
avoid reduce/reduce conflict in parser rules
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|
1096 $$ = tmp; |
10315
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untabify src C++ source files
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|
1097 else |
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|
1098 ABORT_PARSE; |
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|
1099 } |
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|
1100 | '[' return_list1 ']' |
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untabify src C++ source files
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1101 { |
16288
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diff
changeset
|
1102 lexer.looking_at_return_list = false; |
17316
8e2906e2fb26
avoid reduce/reduce conflict in parser rules
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diff
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|
1103 |
8e2906e2fb26
avoid reduce/reduce conflict in parser rules
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diff
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|
1104 // Check for duplicate parameter names, varargin, |
8e2906e2fb26
avoid reduce/reduce conflict in parser rules
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|
1105 // or varargout. |
8e2906e2fb26
avoid reduce/reduce conflict in parser rules
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|
1106 |
10315
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|
1107 if ($2->validate (tree_parameter_list::out)) |
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|
1108 $$ = $2; |
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|
1109 else |
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|
1110 ABORT_PARSE; |
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|
1111 } |
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|
1112 ; |
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|
1113 |
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|
1114 return_list1 : identifier |
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changeset
|
1115 { $$ = new tree_parameter_list (new tree_decl_elt ($1)); } |
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1116 | return_list1 ',' identifier |
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|
1117 { |
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|
1118 $1->append (new tree_decl_elt ($3)); |
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|
1119 $$ = $1; |
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|
1120 } |
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|
1121 ; |
2970 | 1122 |
16203
127cccb037bf
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diff
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|
1123 // ======================= |
127cccb037bf
move more global parser and lexer variables to classes
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|
1124 // Script or function file |
127cccb037bf
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diff
changeset
|
1125 // ======================= |
127cccb037bf
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diff
changeset
|
1126 |
127cccb037bf
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16199
diff
changeset
|
1127 file : INPUT_FILE opt_nl opt_list END_OF_INPUT |
10315
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1128 { |
17618
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|
1129 if (lexer.reading_fcn_file) |
77eff9c6fb09
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|
1130 { |
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changeset
|
1131 // Delete the dummy statement_list we created |
77eff9c6fb09
avoid memory leak when parsing function files (bug #40218)
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|
1132 // after parsing the function. Any function |
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|
1133 // definitions found in the file have already |
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avoid memory leak when parsing function files (bug #40218)
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|
1134 // been stored in the symbol table or in |
77eff9c6fb09
avoid memory leak when parsing function files (bug #40218)
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|
1135 // octave_base_parser::primary_fcn_ptr. |
77eff9c6fb09
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|
1136 |
77eff9c6fb09
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changeset
|
1137 delete $3; |
77eff9c6fb09
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|
1138 } |
77eff9c6fb09
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|
1139 else |
16203
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|
1140 { |
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changeset
|
1141 tree_statement *end_of_script |
16627
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adjust location of eof marker for files with subfunctions but no explicit end statements
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|
1142 = parser.make_end ("endscript", true, |
de91b1621260
adjust location of eof marker for files with subfunctions but no explicit end statements
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diff
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|
1143 lexer.input_line_number, |
de91b1621260
adjust location of eof marker for files with subfunctions but no explicit end statements
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changeset
|
1144 lexer.current_input_column); |
16288
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|
1145 |
fe3b9a51e625
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changeset
|
1146 parser.make_script ($3, end_of_script); |
16203
127cccb037bf
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|
1147 } |
10315
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|
1148 |
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|
1149 $$ = 0; |
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|
1150 } |
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|
1151 ; |
7715
5b4d278ec828
parse scripts completely before executing
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7699
diff
changeset
|
1152 |
2970 | 1153 // =================== |
1154 // Function definition | |
1155 // =================== | |
1156 | |
16627
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adjust location of eof marker for files with subfunctions but no explicit end statements
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changeset
|
1157 function_beg : push_fcn_symtab FCN |
10315
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1158 { |
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|
1159 $$ = $2; |
16288
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|
1160 if (lexer.reading_classdef_file |
fe3b9a51e625
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|
1161 || lexer.parsing_classdef) |
fe3b9a51e625
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changeset
|
1162 lexer.maybe_classdef_get_set_method = true; |
10315
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|
1163 } |
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|
1164 ; |
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1165 |
16627
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1166 function : function_beg stash_comment function1 |
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1167 { |
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1168 $$ = parser.finish_function (0, $3, $2, $1->line (), |
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1169 $1->column ()); |
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1170 parser.recover_from_parsing_function (); |
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1171 } |
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1172 | function_beg stash_comment return_list '=' function1 |
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1173 { |
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1174 $$ = parser.finish_function ($3, $5, $2, $1->line (), |
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1175 $1->column ()); |
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1176 parser.recover_from_parsing_function (); |
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1177 } |
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1178 ; |
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1179 |
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1180 fcn_name : identifier |
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1181 { |
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1182 std::string id_name = $1->name (); |
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1183 |
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1184 lexer.parsed_function_name.top () = true; |
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1185 lexer.maybe_classdef_get_set_method = false; |
11586
12df7854fa7c
strip trailing whitespace from source files
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1186 |
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1187 $$ = $1; |
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1188 } |
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1189 | GET '.' identifier |
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1190 { |
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1191 lexer.parsed_function_name.top () = true; |
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1192 lexer.maybe_classdef_get_set_method = false; |
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1193 $$ = $3; |
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1194 } |
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1195 | SET '.' identifier |
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1196 { |
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1197 lexer.parsed_function_name.top () = true; |
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1198 lexer.maybe_classdef_get_set_method = false; |
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1199 $$ = $3; |
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1200 } |
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1201 ; |
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1202 |
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1203 function1 : fcn_name function2 |
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1204 { |
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1205 std::string fname = $1->name (); |
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1206 |
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1207 delete $1; |
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1208 |
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1209 if (! ($$ = parser.frob_function (fname, $2))) |
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1210 ABORT_PARSE; |
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1211 } |
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1212 ; |
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1213 |
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1214 function2 : param_list opt_sep opt_list function_end |
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1215 { $$ = parser.start_function ($1, $3, $4); } |
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1216 | opt_sep opt_list function_end |
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1217 { $$ = parser.start_function (0, $2, $3); } |
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1218 ; |
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1219 |
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1220 function_end : END |
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1221 { |
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1222 parser.endfunction_found = true; |
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1223 if (parser.end_token_ok ($1, token::function_end)) |
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1224 $$ = parser.make_end ("endfunction", false, |
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1225 $1->line (), $1->column ()); |
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1226 else |
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1227 ABORT_PARSE; |
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1228 } |
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1229 | END_OF_INPUT |
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1230 { |
9474
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David Grundberg <individ@acc.umu.se>
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1231 // A lot of tests are based on the assumption that this is OK |
16288
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1232 // if (lexer.reading_script_file) |
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1233 // { |
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1234 // parser.bison_error ("function body open at end of script"); |
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1235 // YYABORT; |
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1236 // } |
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1237 |
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1238 if (parser.endfunction_found) |
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1239 { |
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1240 parser.bison_error ("inconsistent function endings -- " |
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1241 "if one function is explicitly ended, " |
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1242 "so must all the others"); |
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1243 YYABORT; |
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1244 } |
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1245 |
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1246 if (! (lexer.reading_fcn_file || lexer.reading_script_file |
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1247 || lexer.input_from_eval_string ())) |
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1248 { |
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1249 parser.bison_error ("function body open at end of input"); |
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1250 YYABORT; |
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1251 } |
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1252 |
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1253 if (lexer.reading_classdef_file) |
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1254 { |
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1255 parser.bison_error ("classdef body open at end of input"); |
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1256 YYABORT; |
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1257 } |
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1258 |
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1259 $$ = parser.make_end ("endfunction", true, |
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1260 lexer.input_line_number, |
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1261 lexer.current_input_column); |
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1262 } |
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1263 ; |
2970 | 1264 |
9476 | 1265 // ======== |
1266 // Classdef | |
1267 // ======== | |
1268 | |
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1269 classdef_beg : CLASSDEF stash_comment |
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1270 { |
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1271 $$ = 0; |
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1272 lexer.parsing_classdef = true; |
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1273 } |
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1274 ; |
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1275 |
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1276 classdef_end : END |
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1277 { |
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1278 lexer.parsing_classdef = false; |
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1279 |
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1280 if (parser.end_token_ok ($1, token::classdef_end)) |
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1281 $$ = parser.make_end ("endclassdef", false, |
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|
1282 $1->line (), $1->column ()); |
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1283 else |
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1284 ABORT_PARSE; |
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1285 } |
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|
1286 ; |
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1287 |
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|
1288 classdef1 : classdef_beg opt_attr_list identifier opt_superclasses |
57a59eae83cc
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John W. Eaton <jwe@octave.org>
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10250
diff
changeset
|
1289 { $$ = 0; } |
57a59eae83cc
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John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1290 ; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1291 |
13250
f6bbdea030b2
use opt_sep instead of literal '\n' in parser rules for classdef
John W. Eaton <jwe@octave.org>
parents:
13249
diff
changeset
|
1292 classdef : classdef1 opt_sep class_body opt_sep stash_comment classdef_end |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1293 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1294 ; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1295 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1296 opt_attr_list : // empty |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1297 { $$ = 0; } |
57a59eae83cc
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
1298 | '(' attr_list ')' |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1299 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1300 ; |
57a59eae83cc
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John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1301 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1302 attr_list : attr |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1303 { $$ = 0; } |
57a59eae83cc
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John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1304 | attr_list ',' attr |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1305 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1306 ; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1307 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1308 attr : identifier |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1309 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1310 | identifier '=' decl_param_init expression |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1311 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1312 | EXPR_NOT identifier |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1313 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1314 ; |
9476 | 1315 |
1316 opt_superclasses | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1317 : // empty |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1318 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1319 | superclasses |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1320 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1321 ; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1322 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1323 superclasses : EXPR_LT identifier '.' identifier |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1324 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1325 | EXPR_LT identifier |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1326 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1327 | superclasses EXPR_AND identifier '.' identifier |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1328 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1329 | superclasses EXPR_AND identifier |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1330 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1331 ; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1332 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1333 class_body : properties_block |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1334 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1335 | methods_block |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1336 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1337 | events_block |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1338 { $$ = 0; } |
13249
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1339 | enum_block |
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1340 { $$ = 0; } |
13250
f6bbdea030b2
use opt_sep instead of literal '\n' in parser rules for classdef
John W. Eaton <jwe@octave.org>
parents:
13249
diff
changeset
|
1341 | class_body opt_sep properties_block |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1342 { $$ = 0; } |
13250
f6bbdea030b2
use opt_sep instead of literal '\n' in parser rules for classdef
John W. Eaton <jwe@octave.org>
parents:
13249
diff
changeset
|
1343 | class_body opt_sep methods_block |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1344 { $$ = 0; } |
13250
f6bbdea030b2
use opt_sep instead of literal '\n' in parser rules for classdef
John W. Eaton <jwe@octave.org>
parents:
13249
diff
changeset
|
1345 | class_body opt_sep events_block |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1346 { $$ = 0; } |
13250
f6bbdea030b2
use opt_sep instead of literal '\n' in parser rules for classdef
John W. Eaton <jwe@octave.org>
parents:
13249
diff
changeset
|
1347 | class_body opt_sep enum_block |
13249
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1348 { $$ = 0; } |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1349 ; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1350 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10250
diff
changeset
|
1351 properties_beg : PROPERTIES stash_comment |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1352 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1353 ; |
9476 | 1354 |
1355 properties_block | |
13250
f6bbdea030b2
use opt_sep instead of literal '\n' in parser rules for classdef
John W. Eaton <jwe@octave.org>
parents:
13249
diff
changeset
|
1356 : properties_beg opt_attr_list opt_sep properties_list opt_sep END |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1357 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1358 ; |
9476 | 1359 |
1360 properties_list | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10250
diff
changeset
|
1361 : class_property |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1362 { $$ = 0; } |
13250
f6bbdea030b2
use opt_sep instead of literal '\n' in parser rules for classdef
John W. Eaton <jwe@octave.org>
parents:
13249
diff
changeset
|
1363 | properties_list opt_sep class_property |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1364 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1365 ; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1366 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10250
diff
changeset
|
1367 class_property : identifier |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1368 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1369 | identifier '=' decl_param_init expression ';' |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1370 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1371 ; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1372 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10250
diff
changeset
|
1373 methods_beg : METHODS stash_comment |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10250
diff
changeset
|
1374 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1375 ; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1376 |
13250
f6bbdea030b2
use opt_sep instead of literal '\n' in parser rules for classdef
John W. Eaton <jwe@octave.org>
parents:
13249
diff
changeset
|
1377 methods_block : methods_beg opt_attr_list opt_sep methods_list opt_sep END |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1378 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1379 ; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1380 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1381 methods_list : function |
57a59eae83cc
untabify src C++ source files
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parents:
10250
diff
changeset
|
1382 { $$ = 0; } |
13250
f6bbdea030b2
use opt_sep instead of literal '\n' in parser rules for classdef
John W. Eaton <jwe@octave.org>
parents:
13249
diff
changeset
|
1383 | methods_list opt_sep function |
10315
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1384 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1385 ; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1386 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1387 events_beg : EVENTS stash_comment |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1388 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1389 ; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1390 |
13250
f6bbdea030b2
use opt_sep instead of literal '\n' in parser rules for classdef
John W. Eaton <jwe@octave.org>
parents:
13249
diff
changeset
|
1391 events_block : events_beg opt_attr_list opt_sep events_list opt_sep END |
10315
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1392 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1393 ; |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1394 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10250
diff
changeset
|
1395 events_list : class_event |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1396 { $$ = 0; } |
13250
f6bbdea030b2
use opt_sep instead of literal '\n' in parser rules for classdef
John W. Eaton <jwe@octave.org>
parents:
13249
diff
changeset
|
1397 | events_list opt_sep class_event |
10315
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1398 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1399 ; |
57a59eae83cc
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diff
changeset
|
1400 |
57a59eae83cc
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diff
changeset
|
1401 class_event : identifier |
57a59eae83cc
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diff
changeset
|
1402 { $$ = 0; } |
57a59eae83cc
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
1403 ; |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
1404 |
13249
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1405 enum_beg : ENUMERATION stash_comment |
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1406 { $$ = 0; } |
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1407 ; |
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1408 |
13250
f6bbdea030b2
use opt_sep instead of literal '\n' in parser rules for classdef
John W. Eaton <jwe@octave.org>
parents:
13249
diff
changeset
|
1409 enum_block : enum_beg opt_attr_list opt_sep enum_list opt_sep END |
13249
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1410 { $$ = 0; } |
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1411 ; |
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1412 |
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1413 enum_list : class_enum |
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1414 { $$ = 0; } |
13250
f6bbdea030b2
use opt_sep instead of literal '\n' in parser rules for classdef
John W. Eaton <jwe@octave.org>
parents:
13249
diff
changeset
|
1415 | enum_list opt_sep class_enum |
13249
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1416 { $$ = 0; } |
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1417 ; |
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1418 |
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1419 class_enum : identifier '(' expression ')' |
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1420 { $$ = 0; } |
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1421 ; |
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1422 |
2970 | 1423 // ============= |
1424 // Miscellaneous | |
1425 // ============= | |
1426 | |
16681
d3619d4d267c
recognize character string at beginning of statement (bug #38926, #38958)
John W. Eaton <jwe@octave.org>
parents:
16627
diff
changeset
|
1427 stmt_begin : // empty |
d3619d4d267c
recognize character string at beginning of statement (bug #38926, #38958)
John W. Eaton <jwe@octave.org>
parents:
16627
diff
changeset
|
1428 { lexer.at_beginning_of_statement = true; } |
d3619d4d267c
recognize character string at beginning of statement (bug #38926, #38958)
John W. Eaton <jwe@octave.org>
parents:
16627
diff
changeset
|
1429 ; |
d3619d4d267c
recognize character string at beginning of statement (bug #38926, #38958)
John W. Eaton <jwe@octave.org>
parents:
16627
diff
changeset
|
1430 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1431 stash_comment : // empty |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1432 { $$ = octave_comment_buffer::get_comment (); } |
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 parse_error : LEXICAL_ERROR |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
1436 { parser.bison_error ("parse error"); } |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1437 | error |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1438 ; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1439 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1440 sep_no_nl : ',' |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1441 { $$ = ','; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1442 | ';' |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1443 { $$ = ';'; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1444 | sep_no_nl ',' |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1445 { $$ = $1; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1446 | sep_no_nl ';' |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1447 { $$ = $1; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1448 ; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1449 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1450 opt_sep_no_nl : // empty |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1451 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1452 | sep_no_nl |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1453 { $$ = $1; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1454 ; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1455 |
16203
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
1456 opt_nl : // empty |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
1457 { $$ = 0; } |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
1458 | nl |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
1459 { $$ = $1; } |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
1460 ; |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
1461 |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
1462 nl : '\n' |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
1463 { $$ = '\n'; } |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
1464 | nl '\n' |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
1465 { $$ = $1; } |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
1466 ; |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
1467 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1468 sep : ',' |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1469 { $$ = ','; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1470 | ';' |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1471 { $$ = ';'; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1472 | '\n' |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1473 { $$ = '\n'; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1474 | sep ',' |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1475 { $$ = $1; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1476 | sep ';' |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1477 { $$ = $1; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1478 | sep '\n' |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1479 { $$ = $1; } |
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 opt_sep : // empty |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1483 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1484 | sep |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1485 { $$ = $1; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1486 ; |
2525 | 1487 |
1 | 1488 %% |
1489 | |
666 | 1490 // Generic error messages. |
1491 | |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
1492 #undef lexer |
16149
49dfba4fd3c5
use pure parser and reentrant lexer interfaces
John W. Eaton <jwe@octave.org>
parents:
16147
diff
changeset
|
1493 |
1 | 1494 static void |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
1495 yyerror (octave_base_parser& parser, const char *s) |
1 | 1496 { |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
1497 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
|
1498 } |
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
|
1499 |
16287
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
1500 octave_base_parser::~octave_base_parser (void) |
16157
335041cc657a
optionally use push parser interface
John W. Eaton <jwe@octave.org>
parents:
16153
diff
changeset
|
1501 { |
16177
a7669b4d27f6
eliminate global global_command variable
John W. Eaton <jwe@octave.org>
parents:
16174
diff
changeset
|
1502 delete stmt_list; |
a7669b4d27f6
eliminate global global_command variable
John W. Eaton <jwe@octave.org>
parents:
16174
diff
changeset
|
1503 |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
1504 delete &lexer; |
16157
335041cc657a
optionally use push parser interface
John W. Eaton <jwe@octave.org>
parents:
16153
diff
changeset
|
1505 } |
16287
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
1506 |
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
1507 void octave_base_parser::init (void) |
16157
335041cc657a
optionally use push parser interface
John W. Eaton <jwe@octave.org>
parents:
16153
diff
changeset
|
1508 { |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
1509 LEXER = &lexer; |
16157
335041cc657a
optionally use push parser interface
John W. Eaton <jwe@octave.org>
parents:
16153
diff
changeset
|
1510 } |
335041cc657a
optionally use push parser interface
John W. Eaton <jwe@octave.org>
parents:
16153
diff
changeset
|
1511 |
16177
a7669b4d27f6
eliminate global global_command variable
John W. Eaton <jwe@octave.org>
parents:
16174
diff
changeset
|
1512 void |
16287
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
1513 octave_base_parser::reset (void) |
16177
a7669b4d27f6
eliminate global global_command variable
John W. Eaton <jwe@octave.org>
parents:
16174
diff
changeset
|
1514 { |
16574
b678d2d10e53
reset parser state on parse error (bug #38840)
John W. Eaton <jwe@octave.org>
parents:
16442
diff
changeset
|
1515 endfunction_found = false; |
b678d2d10e53
reset parser state on parse error (bug #38840)
John W. Eaton <jwe@octave.org>
parents:
16442
diff
changeset
|
1516 autoloading = false; |
b678d2d10e53
reset parser state on parse error (bug #38840)
John W. Eaton <jwe@octave.org>
parents:
16442
diff
changeset
|
1517 fcn_file_from_relative_lookup = false; |
b678d2d10e53
reset parser state on parse error (bug #38840)
John W. Eaton <jwe@octave.org>
parents:
16442
diff
changeset
|
1518 parsing_subfunctions = false; |
b678d2d10e53
reset parser state on parse error (bug #38840)
John W. Eaton <jwe@octave.org>
parents:
16442
diff
changeset
|
1519 max_fcn_depth = 0; |
b678d2d10e53
reset parser state on parse error (bug #38840)
John W. Eaton <jwe@octave.org>
parents:
16442
diff
changeset
|
1520 curr_fcn_depth = 0; |
b678d2d10e53
reset parser state on parse error (bug #38840)
John W. Eaton <jwe@octave.org>
parents:
16442
diff
changeset
|
1521 primary_fcn_scope = -1; |
b678d2d10e53
reset parser state on parse error (bug #38840)
John W. Eaton <jwe@octave.org>
parents:
16442
diff
changeset
|
1522 curr_class_name = ""; |
b678d2d10e53
reset parser state on parse error (bug #38840)
John W. Eaton <jwe@octave.org>
parents:
16442
diff
changeset
|
1523 function_scopes.clear (); |
b678d2d10e53
reset parser state on parse error (bug #38840)
John W. Eaton <jwe@octave.org>
parents:
16442
diff
changeset
|
1524 primary_fcn_ptr = 0; |
16627
de91b1621260
adjust location of eof marker for files with subfunctions but no explicit end statements
John W. Eaton <jwe@octave.org>
parents:
16574
diff
changeset
|
1525 subfunction_names.clear (); |
16574
b678d2d10e53
reset parser state on parse error (bug #38840)
John W. Eaton <jwe@octave.org>
parents:
16442
diff
changeset
|
1526 |
16177
a7669b4d27f6
eliminate global global_command variable
John W. Eaton <jwe@octave.org>
parents:
16174
diff
changeset
|
1527 delete stmt_list; |
a7669b4d27f6
eliminate global global_command variable
John W. Eaton <jwe@octave.org>
parents:
16174
diff
changeset
|
1528 stmt_list = 0; |
a7669b4d27f6
eliminate global global_command variable
John W. Eaton <jwe@octave.org>
parents:
16174
diff
changeset
|
1529 |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
1530 lexer.reset (); |
16138
284e2ca86ef7
execute parser using member function of octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16136
diff
changeset
|
1531 } |
284e2ca86ef7
execute parser using member function of octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16136
diff
changeset
|
1532 |
666 | 1533 // Error mesages for mismatched end tokens. |
1534 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
1535 void |
16287
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
1536 octave_base_parser::end_error (const char *type, token::end_tok_type ettype, |
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
1537 int l, int c) |
496 | 1538 { |
2805 | 1539 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
|
1540 = "'%s' command matched by '%s' near line %d column %d"; |
496 | 1541 |
1542 switch (ettype) | |
1543 { | |
1544 case token::simple_end: | |
1545 error (fmt, type, "end", l, c); | |
1546 break; | |
777 | 1547 |
496 | 1548 case token::for_end: |
1549 error (fmt, type, "endfor", l, c); | |
1550 break; | |
777 | 1551 |
496 | 1552 case token::function_end: |
1553 error (fmt, type, "endfunction", l, c); | |
1554 break; | |
777 | 1555 |
9476 | 1556 case token::classdef_end: |
1557 error (fmt, type, "endclassdef", l, c); | |
1558 break; | |
1559 | |
496 | 1560 case token::if_end: |
1561 error (fmt, type, "endif", l, c); | |
1562 break; | |
777 | 1563 |
3233 | 1564 case token::switch_end: |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
1565 error (fmt, type, "endswitch", l, c); |
3233 | 1566 break; |
1567 | |
496 | 1568 case token::while_end: |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
1569 error (fmt, type, "endwhile", l, c); |
496 | 1570 break; |
777 | 1571 |
5400 | 1572 case token::try_catch_end: |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
1573 error (fmt, type, "end_try_catch", l, c); |
5400 | 1574 break; |
1575 | |
1371 | 1576 case token::unwind_protect_end: |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
1577 error (fmt, type, "end_unwind_protect", l, c); |
1371 | 1578 break; |
1579 | |
496 | 1580 default: |
1581 panic_impossible (); | |
1582 break; | |
1583 } | |
1584 } | |
1585 | |
666 | 1586 // Check to see that end tokens are properly matched. |
1587 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
1588 bool |
16287
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
1589 octave_base_parser::end_token_ok (token *tok, token::end_tok_type expected) |
143 | 1590 { |
2857 | 1591 bool retval = true; |
1592 | |
143 | 1593 token::end_tok_type ettype = tok->ettype (); |
2857 | 1594 |
143 | 1595 if (ettype != expected && ettype != token::simple_end) |
1596 { | |
2857 | 1597 retval = false; |
1598 | |
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
|
1599 bison_error ("parse error"); |
143 | 1600 |
1601 int l = tok->line (); | |
1602 int c = tok->column (); | |
1603 | |
1604 switch (expected) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1605 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1606 case token::classdef_end: |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1607 end_error ("classdef", ettype, l, c); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1608 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1609 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1610 case token::for_end: |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1611 end_error ("for", ettype, l, c); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1612 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1613 |
13249
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1614 case token::enumeration_end: |
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1615 end_error ("enumeration", ettype, l, c); |
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1616 break; |
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1617 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1618 case token::function_end: |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1619 end_error ("function", ettype, l, c); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1620 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1621 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1622 case token::if_end: |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1623 end_error ("if", ettype, l, c); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1624 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1625 |
13246 | 1626 case token::parfor_end: |
1627 end_error ("parfor", ettype, l, c); | |
1628 break; | |
1629 | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1630 case token::try_catch_end: |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1631 end_error ("try", ettype, l, c); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1632 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1633 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1634 case token::switch_end: |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1635 end_error ("switch", ettype, l, c); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1636 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1637 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1638 case token::unwind_protect_end: |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1639 end_error ("unwind_protect", ettype, l, c); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1640 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1641 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1642 case token::while_end: |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1643 end_error ("while", ettype, l, c); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1644 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1645 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1646 default: |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1647 panic_impossible (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1648 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1649 } |
143 | 1650 } |
2857 | 1651 |
1652 return retval; | |
143 | 1653 } |
1654 | |
666 | 1655 // Maybe print a warning if an assignment expression is used as the |
1656 // test in a logical expression. | |
1657 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
1658 void |
16287
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
1659 octave_base_parser::maybe_warn_assign_as_truth_value (tree_expression *expr) |
1 | 1660 { |
5781 | 1661 if (expr->is_assignment_expression () |
2961 | 1662 && expr->paren_count () < 2) |
1 | 1663 { |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
1664 if (lexer.fcn_file_full_name.empty ()) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1665 warning_with_id |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1666 ("Octave:assign-as-truth-value", |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1667 "suggest parenthesis around assignment used as truth value"); |
8974
fde2a916b2ac
include line and file info in parser warnings
John W. Eaton <jwe@octave.org>
parents:
8950
diff
changeset
|
1668 else |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1669 warning_with_id |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1670 ("Octave:assign-as-truth-value", |
15466
d174210ce1ec
use ' instead of ` in error messages, warnings and most comments
John W. Eaton <jwe@octave.org>
parents:
14189
diff
changeset
|
1671 "suggest parenthesis around assignment used as truth value near line %d, column %d in file '%s'", |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
1672 expr->line (), expr->column (), lexer.fcn_file_full_name.c_str ()); |
1 | 1673 } |
1674 } | |
578 | 1675 |
2764 | 1676 // Maybe print a warning about switch labels that aren't constants. |
1677 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
1678 void |
16287
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
1679 octave_base_parser::maybe_warn_variable_switch_label (tree_expression *expr) |
2764 | 1680 { |
5781 | 1681 if (! expr->is_constant ()) |
8974
fde2a916b2ac
include line and file info in parser warnings
John W. Eaton <jwe@octave.org>
parents:
8950
diff
changeset
|
1682 { |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
1683 if (lexer.fcn_file_full_name.empty ()) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1684 warning_with_id ("Octave:variable-switch-label", |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1685 "variable switch label"); |
8974
fde2a916b2ac
include line and file info in parser warnings
John W. Eaton <jwe@octave.org>
parents:
8950
diff
changeset
|
1686 else |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1687 warning_with_id |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1688 ("Octave:variable-switch-label", |
15466
d174210ce1ec
use ' instead of ` in error messages, warnings and most comments
John W. Eaton <jwe@octave.org>
parents:
14189
diff
changeset
|
1689 "variable switch label near line %d, column %d in file '%s'", |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
1690 expr->line (), expr->column (), lexer.fcn_file_full_name.c_str ()); |
8974
fde2a916b2ac
include line and file info in parser warnings
John W. Eaton <jwe@octave.org>
parents:
8950
diff
changeset
|
1691 } |
2764 | 1692 } |
1693 | |
2533 | 1694 static tree_expression * |
1695 fold (tree_binary_expression *e) | |
1696 { | |
3110 | 1697 tree_expression *retval = e; |
1698 | |
10067
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
1699 unwind_protect frame; |
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
1700 |
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
1701 frame.protect_var (error_state); |
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
1702 frame.protect_var (warning_state); |
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
1703 |
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
1704 frame.protect_var (discard_error_messages); |
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
1705 frame.protect_var (discard_warning_messages); |
4452 | 1706 |
3815 | 1707 discard_error_messages = true; |
4452 | 1708 discard_warning_messages = true; |
2533 | 1709 |
1710 tree_expression *op1 = e->lhs (); | |
1711 tree_expression *op2 = e->rhs (); | |
1712 | |
13844
e48529b3dbd4
eliminate warnings for changes in operator precedence made years ago
John W. Eaton <jwe@octave.org>
parents:
13250
diff
changeset
|
1713 if (op1->is_constant () && op2->is_constant ()) |
2533 | 1714 { |
8658
73c4516fae10
New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
8471
diff
changeset
|
1715 octave_value tmp = e->rvalue1 (); |
2533 | 1716 |
3489 | 1717 if (! (error_state || warning_state)) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1718 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1719 tree_constant *tc_retval |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1720 = new tree_constant (tmp, op1->line (), op1->column ()); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1721 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10250
diff
changeset
|
1722 std::ostringstream buf; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1723 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1724 tree_print_code tpc (buf); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1725 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1726 e->accept (tpc); |
57a59eae83cc
untabify src C++ source files
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parents:
10250
diff
changeset
|
1727 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10250
diff
changeset
|
1728 tc_retval->stash_original_text (buf.str ()); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10250
diff
changeset
|
1729 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1730 delete e; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10250
diff
changeset
|
1731 |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1732 retval = tc_retval; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1733 } |
2533 | 1734 } |
3110 | 1735 |
3292 | 1736 return retval; |
1737 } | |
1738 | |
1739 static tree_expression * | |
1740 fold (tree_unary_expression *e) | |
1741 { | |
1742 tree_expression *retval = e; | |
1743 | |
10067
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
1744 unwind_protect frame; |
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
1745 |
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
1746 frame.protect_var (error_state); |
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
1747 frame.protect_var (warning_state); |
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
1748 |
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
1749 frame.protect_var (discard_error_messages); |
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
1750 frame.protect_var (discard_warning_messages); |
4452 | 1751 |
3815 | 1752 discard_error_messages = true; |
4452 | 1753 discard_warning_messages = true; |
3292 | 1754 |
1755 tree_expression *op = e->operand (); | |
1756 | |
1757 if (op->is_constant ()) | |
1758 { | |
8658
73c4516fae10
New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
8471
diff
changeset
|
1759 octave_value tmp = e->rvalue1 (); |
3292 | 1760 |
3489 | 1761 if (! (error_state || warning_state)) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1762 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10250
diff
changeset
|
1763 tree_constant *tc_retval |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1764 = new tree_constant (tmp, op->line (), op->column ()); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1765 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10250
diff
changeset
|
1766 std::ostringstream buf; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1767 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1768 tree_print_code tpc (buf); |
57a59eae83cc
untabify src C++ source files
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10250
diff
changeset
|
1769 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10250
diff
changeset
|
1770 e->accept (tpc); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1771 |
57a59eae83cc
untabify src C++ source files
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10250
diff
changeset
|
1772 tc_retval->stash_original_text (buf.str ()); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10250
diff
changeset
|
1773 |
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1774 delete e; |
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1775 |
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1776 retval = tc_retval; |
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1777 } |
3292 | 1778 } |
1779 | |
2533 | 1780 return retval; |
1781 } | |
1782 | |
1623 | 1783 // Finish building a range. |
1784 | |
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1785 tree_expression * |
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1786 octave_base_parser::finish_colon_expression (tree_colon_expression *e) |
1623 | 1787 { |
3110 | 1788 tree_expression *retval = e; |
1789 | |
10067
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1790 unwind_protect frame; |
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1791 |
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1792 frame.protect_var (error_state); |
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1793 frame.protect_var (warning_state); |
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1794 |
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1795 frame.protect_var (discard_error_messages); |
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1796 frame.protect_var (discard_warning_messages); |
4452 | 1797 |
3815 | 1798 discard_error_messages = true; |
4452 | 1799 discard_warning_messages = true; |
1623 | 1800 |
2533 | 1801 tree_expression *base = e->base (); |
1802 tree_expression *limit = e->limit (); | |
1803 tree_expression *incr = e->increment (); | |
1804 | |
2970 | 1805 if (base) |
1623 | 1806 { |
2970 | 1807 if (limit) |
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1808 { |
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1809 if (base->is_constant () && limit->is_constant () |
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1810 && (! incr || (incr && incr->is_constant ()))) |
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1811 { |
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1812 octave_value tmp = e->rvalue1 (); |
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1813 |
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1814 if (! (error_state || warning_state)) |
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1815 { |
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1816 tree_constant *tc_retval |
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1817 = new tree_constant (tmp, base->line (), base->column ()); |
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1818 |
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1819 std::ostringstream buf; |
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1820 |
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1821 tree_print_code tpc (buf); |
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1822 |
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1823 e->accept (tpc); |
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1824 |
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1825 tc_retval->stash_original_text (buf.str ()); |
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1826 |
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1827 delete e; |
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1828 |
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1829 retval = tc_retval; |
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1830 } |
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1831 } |
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1832 } |
2533 | 1833 else |
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1834 { |
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1835 e->preserve_base (); |
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1836 delete e; |
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1837 |
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1838 // FIXME -- need to attempt constant folding here |
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1839 // too (we need a generic way to do that). |
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1840 retval = base; |
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1841 } |
1623 | 1842 } |
1843 | |
1844 return retval; | |
1845 } | |
1846 | |
1607 | 1847 // Make a constant. |
1848 | |
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1849 tree_constant * |
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1850 octave_base_parser::make_constant (int op, token *tok_val) |
1607 | 1851 { |
1852 int l = tok_val->line (); | |
1853 int c = tok_val->column (); | |
1854 | |
3216 | 1855 tree_constant *retval = 0; |
1607 | 1856 |
1857 switch (op) | |
1858 { | |
1859 case NUM: | |
2533 | 1860 { |
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1861 octave_value tmp (tok_val->number ()); |
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1862 retval = new tree_constant (tmp, l, c); |
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1863 retval->stash_original_text (tok_val->text_rep ()); |
2533 | 1864 } |
1607 | 1865 break; |
1866 | |
1867 case IMAG_NUM: | |
1868 { | |
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1869 octave_value tmp (Complex (0.0, tok_val->number ())); |
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1870 retval = new tree_constant (tmp, l, c); |
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1871 retval->stash_original_text (tok_val->text_rep ()); |
1607 | 1872 } |
1873 break; | |
1874 | |
5279 | 1875 case DQ_STRING: |
1876 case SQ_STRING: | |
2883 | 1877 { |
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1878 std::string txt = tok_val->text (); |
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1879 |
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1880 char delim = op == DQ_STRING ? '"' : '\''; |
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1881 octave_value tmp (txt, delim); |
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1882 |
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1883 if (txt.empty ()) |
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1884 { |
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1885 if (op == DQ_STRING) |
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1886 tmp = octave_null_str::instance; |
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1887 else |
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1888 tmp = octave_null_sq_str::instance; |
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1889 } |
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1890 |
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1891 retval = new tree_constant (tmp, l, c); |
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1892 |
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1893 if (op == DQ_STRING) |
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1894 txt = undo_string_escapes (txt); |
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1895 |
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1896 // FIXME -- maybe this should also be handled by |
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1897 // tok_val->text_rep () for character strings? |
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1898 retval->stash_original_text (delim + txt + delim); |
2883 | 1899 } |
1607 | 1900 break; |
1901 | |
1902 default: | |
1903 panic_impossible (); | |
1904 break; | |
1905 } | |
1906 | |
1907 return retval; | |
1908 } | |
1909 | |
4342 | 1910 // Make a function handle. |
1911 | |
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1912 tree_fcn_handle * |
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1913 octave_base_parser::make_fcn_handle (token *tok_val) |
4342 | 1914 { |
1915 int l = tok_val->line (); | |
1916 int c = tok_val->column (); | |
1917 | |
1918 tree_fcn_handle *retval = new tree_fcn_handle (tok_val->text (), l, c); | |
1919 | |
1920 return retval; | |
1921 } | |
1922 | |
4935 | 1923 // Make an anonymous function handle. |
1924 | |
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1925 tree_anon_fcn_handle * |
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1926 octave_base_parser::make_anon_fcn_handle (tree_parameter_list *param_list, |
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1927 tree_statement *stmt) |
4935 | 1928 { |
5775 | 1929 // FIXME -- need to get these from the location of the @ symbol. |
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1930 int l = lexer.input_line_number; |
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1931 int c = lexer.current_input_column; |
4935 | 1932 |
1933 tree_parameter_list *ret_list = 0; | |
1934 | |
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1935 symbol_table::scope_id fcn_scope = lexer.symtab_context.curr_scope (); |
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1936 |
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1937 if (lexer.symtab_context.empty ()) |
5861 | 1938 panic_impossible (); |
1939 | |
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1940 lexer.symtab_context.pop (); |
5861 | 1941 |
7351 | 1942 stmt->set_print_flag (false); |
4935 | 1943 |
1944 tree_statement_list *body = new tree_statement_list (stmt); | |
1945 | |
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1946 body->mark_as_anon_function_body (); |
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1947 |
5861 | 1948 tree_anon_fcn_handle *retval |
7336 | 1949 = new tree_anon_fcn_handle (param_list, ret_list, body, fcn_scope, l, c); |
13125
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1950 // FIXME: Stash the filename. This does not work and produces |
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1951 // errors when executed. |
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1952 //retval->stash_file_name (lexer.fcn_file_name); |
4935 | 1953 |
1954 return retval; | |
1955 } | |
1956 | |
666 | 1957 // Build a binary expression. |
1958 | |
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1959 tree_expression * |
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1960 octave_base_parser::make_binary_op (int op, tree_expression *op1, |
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1961 token *tok_val, tree_expression *op2) |
578 | 1962 { |
2883 | 1963 octave_value::binary_op t = octave_value::unknown_binary_op; |
1623 | 1964 |
578 | 1965 switch (op) |
1966 { | |
1967 case POW: | |
3525 | 1968 t = octave_value::op_pow; |
578 | 1969 break; |
777 | 1970 |
578 | 1971 case EPOW: |
3525 | 1972 t = octave_value::op_el_pow; |
578 | 1973 break; |
777 | 1974 |
578 | 1975 case '+': |
3525 | 1976 t = octave_value::op_add; |
578 | 1977 break; |
777 | 1978 |
578 | 1979 case '-': |
3525 | 1980 t = octave_value::op_sub; |
578 | 1981 break; |
777 | 1982 |
578 | 1983 case '*': |
3525 | 1984 t = octave_value::op_mul; |
578 | 1985 break; |
777 | 1986 |
578 | 1987 case '/': |
3525 | 1988 t = octave_value::op_div; |
578 | 1989 break; |
777 | 1990 |
578 | 1991 case EMUL: |
3525 | 1992 t = octave_value::op_el_mul; |
578 | 1993 break; |
777 | 1994 |
578 | 1995 case EDIV: |
3525 | 1996 t = octave_value::op_el_div; |
578 | 1997 break; |
777 | 1998 |
578 | 1999 case LEFTDIV: |
3525 | 2000 t = octave_value::op_ldiv; |
578 | 2001 break; |
777 | 2002 |
578 | 2003 case ELEFTDIV: |
3525 | 2004 t = octave_value::op_el_ldiv; |
578 | 2005 break; |
777 | 2006 |
2899 | 2007 case LSHIFT: |
3525 | 2008 t = octave_value::op_lshift; |
2899 | 2009 break; |
2010 | |
2011 case RSHIFT: | |
3525 | 2012 t = octave_value::op_rshift; |
2899 | 2013 break; |
2014 | |
578 | 2015 case EXPR_LT: |
3525 | 2016 t = octave_value::op_lt; |
578 | 2017 break; |
777 | 2018 |
578 | 2019 case EXPR_LE: |
3525 | 2020 t = octave_value::op_le; |
578 | 2021 break; |
777 | 2022 |
578 | 2023 case EXPR_EQ: |
3525 | 2024 t = octave_value::op_eq; |
578 | 2025 break; |
777 | 2026 |
578 | 2027 case EXPR_GE: |
3525 | 2028 t = octave_value::op_ge; |
578 | 2029 break; |
777 | 2030 |
578 | 2031 case EXPR_GT: |
3525 | 2032 t = octave_value::op_gt; |
578 | 2033 break; |
777 | 2034 |
578 | 2035 case EXPR_NE: |
3525 | 2036 t = octave_value::op_ne; |
578 | 2037 break; |
777 | 2038 |
578 | 2039 case EXPR_AND: |
3525 | 2040 t = octave_value::op_el_and; |
578 | 2041 break; |
777 | 2042 |
578 | 2043 case EXPR_OR: |
3525 | 2044 t = octave_value::op_el_or; |
578 | 2045 break; |
777 | 2046 |
578 | 2047 default: |
2048 panic_impossible (); | |
2049 break; | |
2050 } | |
2051 | |
2052 int l = tok_val->line (); | |
2053 int c = tok_val->column (); | |
2054 | |
2533 | 2055 tree_binary_expression *e |
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Jaroslav Hajek <highegg@gmail.com>
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2056 = maybe_compound_binary_expression (op1, op2, l, c, t); |
1623 | 2057 |
2533 | 2058 return fold (e); |
578 | 2059 } |
2060 | |
2375 | 2061 // Build a boolean expression. |
666 | 2062 |
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|
2063 tree_expression * |
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2064 octave_base_parser::make_boolean_op (int op, tree_expression *op1, |
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2065 token *tok_val, tree_expression *op2) |
578 | 2066 { |
2375 | 2067 tree_boolean_expression::type t; |
2068 | |
578 | 2069 switch (op) |
2070 { | |
2375 | 2071 case EXPR_AND_AND: |
2805 | 2072 t = tree_boolean_expression::bool_and; |
578 | 2073 break; |
777 | 2074 |
2375 | 2075 case EXPR_OR_OR: |
2805 | 2076 t = tree_boolean_expression::bool_or; |
578 | 2077 break; |
777 | 2078 |
578 | 2079 default: |
2080 panic_impossible (); | |
2081 break; | |
2082 } | |
2083 | |
2084 int l = tok_val->line (); | |
2085 int c = tok_val->column (); | |
2086 | |
2533 | 2087 tree_boolean_expression *e |
2088 = new tree_boolean_expression (op1, op2, l, c, t); | |
2375 | 2089 |
2533 | 2090 return fold (e); |
578 | 2091 } |
2092 | |
2375 | 2093 // Build a prefix expression. |
666 | 2094 |
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|
2095 tree_expression * |
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2096 octave_base_parser::make_prefix_op (int op, tree_expression *op1, |
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|
2097 token *tok_val) |
578 | 2098 { |
3203 | 2099 octave_value::unary_op t = octave_value::unknown_unary_op; |
2375 | 2100 |
578 | 2101 switch (op) |
2102 { | |
2960 | 2103 case EXPR_NOT: |
3525 | 2104 t = octave_value::op_not; |
2960 | 2105 break; |
2106 | |
4965 | 2107 case '+': |
2108 t = octave_value::op_uplus; | |
2109 break; | |
2110 | |
2960 | 2111 case '-': |
3525 | 2112 t = octave_value::op_uminus; |
2960 | 2113 break; |
2114 | |
578 | 2115 case PLUS_PLUS: |
3525 | 2116 t = octave_value::op_incr; |
578 | 2117 break; |
777 | 2118 |
578 | 2119 case MINUS_MINUS: |
3525 | 2120 t = octave_value::op_decr; |
578 | 2121 break; |
777 | 2122 |
578 | 2123 default: |
2124 panic_impossible (); | |
2125 break; | |
2126 } | |
2127 | |
2128 int l = tok_val->line (); | |
2129 int c = tok_val->column (); | |
2130 | |
3292 | 2131 tree_prefix_expression *e |
2132 = new tree_prefix_expression (op1, l, c, t); | |
2133 | |
2134 return fold (e); | |
578 | 2135 } |
2136 | |
2375 | 2137 // Build a postfix expression. |
666 | 2138 |
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|
2139 tree_expression * |
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2140 octave_base_parser::make_postfix_op (int op, tree_expression *op1, |
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|
2141 token *tok_val) |
578 | 2142 { |
3203 | 2143 octave_value::unary_op t = octave_value::unknown_unary_op; |
1623 | 2144 |
578 | 2145 switch (op) |
2146 { | |
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John W. Eaton <jwe@octave.org>
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|
2147 case HERMITIAN: |
3525 | 2148 t = octave_value::op_hermitian; |
2960 | 2149 break; |
2150 | |
2151 case TRANSPOSE: | |
3525 | 2152 t = octave_value::op_transpose; |
2960 | 2153 break; |
2154 | |
2375 | 2155 case PLUS_PLUS: |
3525 | 2156 t = octave_value::op_incr; |
578 | 2157 break; |
777 | 2158 |
2375 | 2159 case MINUS_MINUS: |
3525 | 2160 t = octave_value::op_decr; |
578 | 2161 break; |
777 | 2162 |
578 | 2163 default: |
2164 panic_impossible (); | |
2165 break; | |
2166 } | |
2167 | |
2168 int l = tok_val->line (); | |
2169 int c = tok_val->column (); | |
2170 | |
3292 | 2171 tree_postfix_expression *e |
2172 = new tree_postfix_expression (op1, l, c, t); | |
2173 | |
2174 return fold (e); | |
1623 | 2175 } |
2176 | |
2177 // Build an unwind-protect command. | |
2178 | |
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|
2179 tree_command * |
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2180 octave_base_parser::make_unwind_command (token *unwind_tok, |
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2181 tree_statement_list *body, |
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2182 tree_statement_list *cleanup_stmts, |
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2183 token *end_tok, |
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2184 octave_comment_list *lc, |
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|
2185 octave_comment_list *mc) |
1623 | 2186 { |
2187 tree_command *retval = 0; | |
2188 | |
2857 | 2189 if (end_token_ok (end_tok, token::unwind_protect_end)) |
1623 | 2190 { |
3665 | 2191 octave_comment_list *tc = octave_comment_buffer::get_comment (); |
2192 | |
1623 | 2193 int l = unwind_tok->line (); |
2194 int c = unwind_tok->column (); | |
2195 | |
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|
2196 retval = new tree_unwind_protect_command (body, cleanup_stmts, |
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2197 lc, mc, tc, l, c); |
1623 | 2198 } |
2199 | |
2200 return retval; | |
2201 } | |
2202 | |
2203 // Build a try-catch command. | |
2204 | |
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2205 tree_command * |
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2206 octave_base_parser::make_try_command (token *try_tok, |
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2207 tree_statement_list *body, |
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2208 char catch_sep, |
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2209 tree_statement_list *cleanup_stmts, |
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2210 token *end_tok, |
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2211 octave_comment_list *lc, |
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|
2212 octave_comment_list *mc) |
1623 | 2213 { |
2214 tree_command *retval = 0; | |
2215 | |
2857 | 2216 if (end_token_ok (end_tok, token::try_catch_end)) |
1623 | 2217 { |
3665 | 2218 octave_comment_list *tc = octave_comment_buffer::get_comment (); |
2219 | |
1623 | 2220 int l = try_tok->line (); |
2221 int c = try_tok->column (); | |
2222 | |
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2223 tree_identifier *id = 0; |
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|
2224 |
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|
2225 if (! catch_sep && cleanup_stmts && ! cleanup_stmts->empty ()) |
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2226 { |
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2227 tree_statement *stmt = cleanup_stmts->front (); |
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2228 |
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2229 if (stmt) |
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2230 { |
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2231 tree_expression *expr = stmt->expression (); |
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2232 |
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2233 if (expr && expr->is_identifier ()) |
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2234 { |
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2235 id = dynamic_cast<tree_identifier *> (expr); |
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2236 |
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2237 cleanup_stmts->pop_front (); |
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2238 } |
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2239 } |
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2240 } |
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2241 |
17249
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|
2242 retval = new tree_try_catch_command (body, cleanup_stmts, id, |
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2243 lc, mc, tc, l, c); |
1623 | 2244 } |
2245 | |
2246 return retval; | |
2247 } | |
2248 | |
2249 // Build a while command. | |
2250 | |
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2251 tree_command * |
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2252 octave_base_parser::make_while_command (token *while_tok, |
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2253 tree_expression *expr, |
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2254 tree_statement_list *body, |
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2255 token *end_tok, |
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2256 octave_comment_list *lc) |
1623 | 2257 { |
2258 tree_command *retval = 0; | |
2259 | |
2260 maybe_warn_assign_as_truth_value (expr); | |
2261 | |
2857 | 2262 if (end_token_ok (end_tok, token::while_end)) |
1623 | 2263 { |
3665 | 2264 octave_comment_list *tc = octave_comment_buffer::get_comment (); |
2265 | |
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2266 lexer.looping--; |
1623 | 2267 |
2268 int l = while_tok->line (); | |
2269 int c = while_tok->column (); | |
2270 | |
3665 | 2271 retval = new tree_while_command (expr, body, lc, tc, l, c); |
1623 | 2272 } |
2273 | |
2274 return retval; | |
2275 } | |
2276 | |
3484 | 2277 // Build a do-until command. |
2278 | |
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2279 tree_command * |
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2280 octave_base_parser::make_do_until_command (token *until_tok, |
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2281 tree_statement_list *body, |
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2282 tree_expression *expr, |
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2283 octave_comment_list *lc) |
3484 | 2284 { |
2285 tree_command *retval = 0; | |
2286 | |
2287 maybe_warn_assign_as_truth_value (expr); | |
2288 | |
3665 | 2289 octave_comment_list *tc = octave_comment_buffer::get_comment (); |
2290 | |
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2291 lexer.looping--; |
3484 | 2292 |
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2293 int l = until_tok->line (); |
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2294 int c = until_tok->column (); |
3484 | 2295 |
3665 | 2296 retval = new tree_do_until_command (expr, body, lc, tc, l, c); |
3484 | 2297 |
2298 return retval; | |
2299 } | |
2300 | |
1623 | 2301 // Build a for command. |
2302 | |
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2303 tree_command * |
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2304 octave_base_parser::make_for_command (int tok_id, token *for_tok, |
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2305 tree_argument_list *lhs, |
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2306 tree_expression *expr, |
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2307 tree_expression *maxproc, |
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2308 tree_statement_list *body, |
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2309 token *end_tok, |
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2310 octave_comment_list *lc) |
1623 | 2311 { |
2312 tree_command *retval = 0; | |
2313 | |
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2314 bool parfor = tok_id == PARFOR; |
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2315 |
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2316 if (end_token_ok (end_tok, parfor ? token::parfor_end : token::for_end)) |
1623 | 2317 { |
3665 | 2318 octave_comment_list *tc = octave_comment_buffer::get_comment (); |
2319 | |
16288
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rename curr_lexer, curr_parser, CURR_LEXER
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|
2320 lexer.looping--; |
1623 | 2321 |
2322 int l = for_tok->line (); | |
2323 int c = for_tok->column (); | |
2324 | |
2970 | 2325 if (lhs->length () == 1) |
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|
2326 { |
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2327 tree_expression *tmp = lhs->remove_front (); |
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2328 |
13245
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parfor keyword and infrastructure, but handle parfor as normal for loop for now
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diff
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|
2329 retval = new tree_simple_for_command (parfor, tmp, expr, maxproc, |
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|
2330 body, lc, tc, l, c); |
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2331 |
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|
2332 delete lhs; |
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|
2333 } |
2970 | 2334 else |
13245
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|
2335 { |
027a2186cd90
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|
2336 if (parfor) |
16142
26d65d677557
rename yyerror to bison_error and make it a member of octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16139
diff
changeset
|
2337 bison_error ("invalid syntax for parfor statement"); |
13245
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|
2338 else |
027a2186cd90
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|
2339 retval = new tree_complex_for_command (lhs, expr, body, |
027a2186cd90
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|
2340 lc, tc, l, c); |
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|
2341 } |
1623 | 2342 } |
2343 | |
2344 return retval; | |
2345 } | |
2346 | |
4207 | 2347 // Build a break command. |
2348 | |
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changeset
|
2349 tree_command * |
16287
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changeset
|
2350 octave_base_parser::make_break_command (token *break_tok) |
1623 | 2351 { |
4207 | 2352 tree_command *retval = 0; |
1623 | 2353 |
2620 | 2354 int l = break_tok->line (); |
2355 int c = break_tok->column (); | |
2356 | |
10188
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improve implementation of break, continue, and return commands
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|
2357 retval = new tree_break_command (l, c); |
1623 | 2358 |
2359 return retval; | |
2360 } | |
2361 | |
4207 | 2362 // Build a continue command. |
2363 | |
16134
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|
2364 tree_command * |
16287
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|
2365 octave_base_parser::make_continue_command (token *continue_tok) |
1623 | 2366 { |
4207 | 2367 tree_command *retval = 0; |
1623 | 2368 |
2620 | 2369 int l = continue_tok->line (); |
2370 int c = continue_tok->column (); | |
2371 | |
10188
97ae300aa73a
improve implementation of break, continue, and return commands
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|
2372 retval = new tree_continue_command (l, c); |
1623 | 2373 |
2374 return retval; | |
2375 } | |
2376 | |
4207 | 2377 // Build a return command. |
2378 | |
16134
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|
2379 tree_command * |
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changeset
|
2380 octave_base_parser::make_return_command (token *return_tok) |
1623 | 2381 { |
4207 | 2382 tree_command *retval = 0; |
1623 | 2383 |
2620 | 2384 int l = return_tok->line (); |
2385 int c = return_tok->column (); | |
2386 | |
10188
97ae300aa73a
improve implementation of break, continue, and return commands
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2387 retval = new tree_return_command (l, c); |
1623 | 2388 |
2389 return retval; | |
2390 } | |
2391 | |
2392 // Start an if command. | |
2393 | |
16134
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|
2394 tree_if_command_list * |
16287
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|
2395 octave_base_parser::start_if_command (tree_expression *expr, |
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|
2396 tree_statement_list *list) |
1623 | 2397 { |
2398 maybe_warn_assign_as_truth_value (expr); | |
2399 | |
2400 tree_if_clause *t = new tree_if_clause (expr, list); | |
2401 | |
2402 return new tree_if_command_list (t); | |
2403 } | |
2404 | |
2405 // Finish an if command. | |
2406 | |
16134
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|
2407 tree_if_command * |
16287
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2408 octave_base_parser::finish_if_command (token *if_tok, |
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|
2409 tree_if_command_list *list, |
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|
2410 token *end_tok, |
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changeset
|
2411 octave_comment_list *lc) |
1623 | 2412 { |
2413 tree_if_command *retval = 0; | |
2414 | |
2857 | 2415 if (end_token_ok (end_tok, token::if_end)) |
1623 | 2416 { |
3665 | 2417 octave_comment_list *tc = octave_comment_buffer::get_comment (); |
2418 | |
1623 | 2419 int l = if_tok->line (); |
2420 int c = if_tok->column (); | |
2421 | |
8842
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2422 if (list && ! list->empty ()) |
10315
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|
2423 { |
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|
2424 tree_if_clause *elt = list->front (); |
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2425 |
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|
2426 if (elt) |
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|
2427 { |
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|
2428 elt->line (l); |
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2429 elt->column (c); |
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|
2430 } |
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|
2431 } |
8842
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changeset
|
2432 |
3665 | 2433 retval = new tree_if_command (list, lc, tc, l, c); |
1623 | 2434 } |
2435 | |
2436 return retval; | |
2437 } | |
2438 | |
2439 // Build an elseif clause. | |
2440 | |
16134
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move static parser helper functions to octave_parser class
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changeset
|
2441 tree_if_clause * |
16287
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|
2442 octave_base_parser::make_elseif_clause (token *elseif_tok, |
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|
2443 tree_expression *expr, |
04a7953496a7
create base class for parser; use reference for curr_lexer
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|
2444 tree_statement_list *list, |
04a7953496a7
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changeset
|
2445 octave_comment_list *lc) |
1623 | 2446 { |
2447 maybe_warn_assign_as_truth_value (expr); | |
2448 | |
8658
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New evaluator and debugger derived from tree-walker class
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|
2449 int l = elseif_tok->line (); |
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New evaluator and debugger derived from tree-walker class
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|
2450 int c = elseif_tok->column (); |
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|
2451 |
73c4516fae10
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diff
changeset
|
2452 return new tree_if_clause (expr, list, lc, l, c); |
1623 | 2453 } |
2454 | |
2764 | 2455 // Finish a switch command. |
2456 | |
16134
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changeset
|
2457 tree_switch_command * |
16287
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|
2458 octave_base_parser::finish_switch_command (token *switch_tok, |
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|
2459 tree_expression *expr, |
04a7953496a7
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changeset
|
2460 tree_switch_case_list *list, |
04a7953496a7
create base class for parser; use reference for curr_lexer
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|
2461 token *end_tok, |
04a7953496a7
create base class for parser; use reference for curr_lexer
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diff
changeset
|
2462 octave_comment_list *lc) |
2764 | 2463 { |
2464 tree_switch_command *retval = 0; | |
2465 | |
2857 | 2466 if (end_token_ok (end_tok, token::switch_end)) |
2764 | 2467 { |
3665 | 2468 octave_comment_list *tc = octave_comment_buffer::get_comment (); |
2469 | |
2764 | 2470 int l = switch_tok->line (); |
2471 int c = switch_tok->column (); | |
2472 | |
8842
be7b30a24938
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|
2473 if (list && ! list->empty ()) |
10315
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|
2474 { |
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changeset
|
2475 tree_switch_case *elt = list->front (); |
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|
2476 |
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changeset
|
2477 if (elt) |
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changeset
|
2478 { |
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|
2479 elt->line (l); |
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|
2480 elt->column (c); |
57a59eae83cc
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changeset
|
2481 } |
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changeset
|
2482 } |
8842
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changeset
|
2483 |
3665 | 2484 retval = new tree_switch_command (expr, list, lc, tc, l, c); |
2764 | 2485 } |
2486 | |
2487 return retval; | |
2488 } | |
2489 | |
2490 // Build a switch case. | |
2491 | |
16134
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|
2492 tree_switch_case * |
16287
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changeset
|
2493 octave_base_parser::make_switch_case (token *case_tok, |
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|
2494 tree_expression *expr, |
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|
2495 tree_statement_list *list, |
04a7953496a7
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|
2496 octave_comment_list *lc) |
2764 | 2497 { |
2498 maybe_warn_variable_switch_label (expr); | |
2499 | |
8658
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|
2500 int l = case_tok->line (); |
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|
2501 int c = case_tok->column (); |
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|
2502 |
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|
2503 return new tree_switch_case (expr, list, lc, l, c); |
2764 | 2504 } |
2505 | |
1623 | 2506 // Build an assignment to a variable. |
2507 | |
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|
2508 tree_expression * |
16287
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|
2509 octave_base_parser::make_assign_op (int op, tree_argument_list *lhs, |
04a7953496a7
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|
2510 token *eq_tok, tree_expression *rhs) |
1623 | 2511 { |
2970 | 2512 tree_expression *retval = 0; |
2513 | |
2883 | 2514 octave_value::assign_op t = octave_value::unknown_assign_op; |
2515 | |
2516 switch (op) | |
2517 { | |
2518 case '=': | |
3525 | 2519 t = octave_value::op_asn_eq; |
2883 | 2520 break; |
2521 | |
2522 case ADD_EQ: | |
3525 | 2523 t = octave_value::op_add_eq; |
2883 | 2524 break; |
2525 | |
2526 case SUB_EQ: | |
3525 | 2527 t = octave_value::op_sub_eq; |
2883 | 2528 break; |
2529 | |
2530 case MUL_EQ: | |
3525 | 2531 t = octave_value::op_mul_eq; |
2883 | 2532 break; |
2533 | |
2534 case DIV_EQ: | |
3525 | 2535 t = octave_value::op_div_eq; |
2883 | 2536 break; |
2537 | |
3204 | 2538 case LEFTDIV_EQ: |
3525 | 2539 t = octave_value::op_ldiv_eq; |
3204 | 2540 break; |
2541 | |
4018 | 2542 case POW_EQ: |
2543 t = octave_value::op_pow_eq; | |
2544 break; | |
2545 | |
2899 | 2546 case LSHIFT_EQ: |
3525 | 2547 t = octave_value::op_lshift_eq; |
2899 | 2548 break; |
2549 | |
2550 case RSHIFT_EQ: | |
3525 | 2551 t = octave_value::op_rshift_eq; |
2899 | 2552 break; |
2553 | |
2883 | 2554 case EMUL_EQ: |
3525 | 2555 t = octave_value::op_el_mul_eq; |
2883 | 2556 break; |
2557 | |
2558 case EDIV_EQ: | |
3525 | 2559 t = octave_value::op_el_div_eq; |
2883 | 2560 break; |
2561 | |
3204 | 2562 case ELEFTDIV_EQ: |
3525 | 2563 t = octave_value::op_el_ldiv_eq; |
3204 | 2564 break; |
2565 | |
4018 | 2566 case EPOW_EQ: |
2567 t = octave_value::op_el_pow_eq; | |
2568 break; | |
2569 | |
2883 | 2570 case AND_EQ: |
3525 | 2571 t = octave_value::op_el_and_eq; |
2883 | 2572 break; |
2573 | |
2574 case OR_EQ: | |
3525 | 2575 t = octave_value::op_el_or_eq; |
2883 | 2576 break; |
2577 | |
2578 default: | |
2579 panic_impossible (); | |
2580 break; | |
2581 } | |
2582 | |
1623 | 2583 int l = eq_tok->line (); |
2584 int c = eq_tok->column (); | |
2585 | |
5841 | 2586 if (lhs->is_simple_assign_lhs ()) |
666 | 2587 { |
2970 | 2588 tree_expression *tmp = lhs->remove_front (); |
2589 | |
2590 retval = new tree_simple_assignment (tmp, rhs, false, l, c, t); | |
2591 | |
2592 delete lhs; | |
666 | 2593 } |
10230
0a5a769b8fc0
disallow computed multiple assignment
Jaroslav Hajek <highegg@gmail.com>
parents:
10207
diff
changeset
|
2594 else if (t == octave_value::op_asn_eq) |
0a5a769b8fc0
disallow computed multiple assignment
Jaroslav Hajek <highegg@gmail.com>
parents:
10207
diff
changeset
|
2595 return new tree_multi_assignment (lhs, rhs, false, l, c); |
666 | 2596 else |
16142
26d65d677557
rename yyerror to bison_error and make it a member of octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16139
diff
changeset
|
2597 bison_error ("computed multiple assignment not allowed"); |
666 | 2598 |
2599 return retval; | |
2600 } | |
751 | 2601 |
9474
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2602 // Define a script. |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2603 |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2604 void |
16287
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
2605 octave_base_parser::make_script (tree_statement_list *cmds, |
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
2606 tree_statement *end_script) |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2607 { |
8658
73c4516fae10
New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
8471
diff
changeset
|
2608 if (! cmds) |
73c4516fae10
New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
8471
diff
changeset
|
2609 cmds = new tree_statement_list (); |
73c4516fae10
New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
8471
diff
changeset
|
2610 |
73c4516fae10
New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
8471
diff
changeset
|
2611 cmds->append (end_script); |
73c4516fae10
New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
8471
diff
changeset
|
2612 |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2613 octave_user_script *script |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
2614 = new octave_user_script (lexer.fcn_file_full_name, |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
2615 lexer.fcn_file_name, |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
2616 cmds, lexer.help_text); |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
2617 |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
2618 lexer.help_text = ""; |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2619 |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2620 octave_time now; |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2621 |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2622 script->stash_fcn_file_time (now); |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2623 |
9474
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2624 primary_fcn_ptr = script; |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2625 } |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2626 |
1623 | 2627 // Begin defining a function. |
2628 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2629 octave_user_function * |
16287
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
2630 octave_base_parser::start_function (tree_parameter_list *param_list, |
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
2631 tree_statement_list *body, |
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
2632 tree_statement *end_fcn_stmt) |
1623 | 2633 { |
2891 | 2634 // We'll fill in the return list later. |
2635 | |
8658
73c4516fae10
New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
8471
diff
changeset
|
2636 if (! body) |
73c4516fae10
New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
8471
diff
changeset
|
2637 body = new tree_statement_list (); |
73c4516fae10
New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
8471
diff
changeset
|
2638 |
73c4516fae10
New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
8471
diff
changeset
|
2639 body->append (end_fcn_stmt); |
73c4516fae10
New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
8471
diff
changeset
|
2640 |
2891 | 2641 octave_user_function *fcn |
16320
09f0cb9cac7d
don't modify symbol table scope in the parser
John W. Eaton <jwe@octave.org>
parents:
16302
diff
changeset
|
2642 = new octave_user_function (lexer.symtab_context.curr_scope (), |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2643 param_list, 0, body); |
1623 | 2644 |
3665 | 2645 if (fcn) |
2646 { | |
2647 octave_comment_list *tc = octave_comment_buffer::get_comment (); | |
2648 | |
2649 fcn->stash_trailing_comment (tc); | |
16627
de91b1621260
adjust location of eof marker for files with subfunctions but no explicit end statements
John W. Eaton <jwe@octave.org>
parents:
16574
diff
changeset
|
2650 fcn->stash_fcn_end_location (end_fcn_stmt->line (), |
de91b1621260
adjust location of eof marker for files with subfunctions but no explicit end statements
John W. Eaton <jwe@octave.org>
parents:
16574
diff
changeset
|
2651 end_fcn_stmt->column ()); |
3665 | 2652 } |
2653 | |
1623 | 2654 return fcn; |
2655 } | |
2656 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2657 tree_statement * |
16627
de91b1621260
adjust location of eof marker for files with subfunctions but no explicit end statements
John W. Eaton <jwe@octave.org>
parents:
16574
diff
changeset
|
2658 octave_base_parser::make_end (const std::string& type, bool eof, int l, int c) |
8658
73c4516fae10
New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
8471
diff
changeset
|
2659 { |
16627
de91b1621260
adjust location of eof marker for files with subfunctions but no explicit end statements
John W. Eaton <jwe@octave.org>
parents:
16574
diff
changeset
|
2660 return make_statement (new tree_no_op_command (type, eof, l, c)); |
8658
73c4516fae10
New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
8471
diff
changeset
|
2661 } |
73c4516fae10
New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
8471
diff
changeset
|
2662 |
1623 | 2663 // Do most of the work for defining a function. |
2664 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2665 octave_user_function * |
16287
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
2666 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
|
2667 octave_user_function *fcn) |
1623 | 2668 { |
4872 | 2669 std::string id_name = fname; |
1623 | 2670 |
2671 // If input is coming from a file, issue a warning if the name of | |
2672 // the file does not match the name of the function stated in the | |
2673 // file. Matlab doesn't provide a diagnostic (it ignores the stated | |
2674 // name). | |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
2675 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
|
2676 && curr_fcn_depth == 1 && ! parsing_subfunctions) |
9474
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2677 { |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
2678 // 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
|
2679 // 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
|
2680 // problem with relative file names. |
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2681 |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
2682 std::string nm = lexer.fcn_file_name; |
9474
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2683 |
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2684 size_t pos = nm.find_last_of (file_ops::dir_sep_chars ()); |
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2685 |
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2686 if (pos != std::string::npos) |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
2687 nm = lexer.fcn_file_name.substr (pos+1); |
9474
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2688 |
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2689 if (nm != id_name) |
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2690 { |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2691 warning_with_id |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2692 ("Octave:function-name-clash", |
15466
d174210ce1ec
use ' instead of ` in error messages, warnings and most comments
John W. Eaton <jwe@octave.org>
parents:
14189
diff
changeset
|
2693 "function name '%s' does not agree with function file name '%s'", |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
2694 id_name.c_str (), lexer.fcn_file_full_name.c_str ()); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2695 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2696 id_name = nm; |
9474
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2697 } |
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2698 } |
1623 | 2699 |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
2700 if (lexer.reading_fcn_file || lexer.reading_classdef_file || autoloading) |
1623 | 2701 { |
3712 | 2702 octave_time now; |
3162 | 2703 |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
2704 fcn->stash_fcn_file_name (lexer.fcn_file_full_name); |
3162 | 2705 fcn->stash_fcn_file_time (now); |
1623 | 2706 fcn->mark_as_system_fcn_file (); |
3162 | 2707 |
6323 | 2708 if (fcn_file_from_relative_lookup) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2709 fcn->mark_relative (); |
6323 | 2710 |
16153
a57c2c8c8163
move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16151
diff
changeset
|
2711 if (curr_fcn_depth > 1 || parsing_subfunctions) |
7968
0d607e8dbbfa
eliminate curr_parent_function; fix subfunction lookup
John W. Eaton <jwe@octave.org>
parents:
7903
diff
changeset
|
2712 { |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
2713 fcn->stash_parent_fcn_name (lexer.fcn_file_name); |
14544
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
2714 |
16153
a57c2c8c8163
move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16151
diff
changeset
|
2715 if (curr_fcn_depth > 1) |
14846
460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents:
14584
diff
changeset
|
2716 fcn->stash_parent_fcn_scope (function_scopes[function_scopes.size ()-2]); |
14544
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
2717 else |
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
2718 fcn->stash_parent_fcn_scope (primary_fcn_scope); |
9474
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2719 } |
6323 | 2720 |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
2721 if (lexer.parsing_class_method) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2722 { |
16153
a57c2c8c8163
move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16151
diff
changeset
|
2723 if (curr_class_name == id_name) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2724 fcn->mark_as_class_constructor (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2725 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2726 fcn->mark_as_class_method (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2727 |
16153
a57c2c8c8163
move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16151
diff
changeset
|
2728 fcn->stash_dispatch_class (curr_class_name); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2729 } |
7336 | 2730 |
5781 | 2731 std::string nm = fcn->fcn_file_name (); |
2732 | |
2733 file_stat fs (nm); | |
2734 | |
2735 if (fs && fs.is_newer (now)) | |
2736 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
|
2737 "time stamp for '%s' is in the future", nm.c_str ()); |
1623 | 2738 } |
16203
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
2739 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
|
2740 && ! lexer.force_script |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
2741 && lexer.reading_script_file |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
2742 && lexer.fcn_file_name == id_name) |
1623 | 2743 { |
15466
d174210ce1ec
use ' instead of ` in error messages, warnings and most comments
John W. Eaton <jwe@octave.org>
parents:
14189
diff
changeset
|
2744 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
|
2745 id_name.c_str (), lexer.fcn_file_full_name.c_str ()); |
1623 | 2746 } |
2747 | |
4872 | 2748 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
|
2749 |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
2750 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
|
2751 && ! parsing_subfunctions) |
7336 | 2752 { |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
2753 fcn->document (lexer.help_text); |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
2754 |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
2755 lexer.help_text = ""; |
7336 | 2756 } |
2757 | |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
2758 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
|
2759 && ! parsing_subfunctions) |
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2760 primary_fcn_ptr = fcn; |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
2761 |
1623 | 2762 return fcn; |
2763 } | |
2764 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2765 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
|
2766 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
|
2767 octave_user_function *fcn, |
16627
de91b1621260
adjust location of eof marker for files with subfunctions but no explicit end statements
John W. Eaton <jwe@octave.org>
parents:
16574
diff
changeset
|
2768 octave_comment_list *lc, |
de91b1621260
adjust location of eof marker for files with subfunctions but no explicit end statements
John W. Eaton <jwe@octave.org>
parents:
16574
diff
changeset
|
2769 int l, int c) |
1623 | 2770 { |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2771 tree_function_def *retval = 0; |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2772 |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2773 if (ret_list) |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2774 ret_list->mark_as_formal_parameters (); |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2775 |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2776 if (fcn) |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2777 { |
7761
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7755
diff
changeset
|
2778 std::string nm = fcn->name (); |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7755
diff
changeset
|
2779 std::string file = fcn->fcn_file_name (); |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7755
diff
changeset
|
2780 |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7755
diff
changeset
|
2781 std::string tmp = nm; |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7755
diff
changeset
|
2782 if (! file.empty ()) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2783 tmp += ": " + file; |
7761
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7755
diff
changeset
|
2784 |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7755
diff
changeset
|
2785 symbol_table::cache_name (fcn->scope (), tmp); |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7755
diff
changeset
|
2786 |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2787 if (lc) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2788 fcn->stash_leading_comment (lc); |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2789 |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2790 fcn->define_ret_list (ret_list); |
7755
ea9cb4d68dbf
avoid installing subfunctions twice
John W. Eaton <jwe@octave.org>
parents:
7750
diff
changeset
|
2791 |
16153
a57c2c8c8163
move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16151
diff
changeset
|
2792 if (curr_fcn_depth > 1 || parsing_subfunctions) |
9474
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2793 { |
11461
2b8531a6a3c9
Change mentions of "nested function" to the less misleading "subfunction"
David Grundberg <individ@acc.umu.se>
parents:
11388
diff
changeset
|
2794 fcn->mark_as_subfunction (); |
16627
de91b1621260
adjust location of eof marker for files with subfunctions but no explicit end statements
John W. Eaton <jwe@octave.org>
parents:
16574
diff
changeset
|
2795 fcn->stash_fcn_location (l, c); |
de91b1621260
adjust location of eof marker for files with subfunctions but no explicit end statements
John W. Eaton <jwe@octave.org>
parents:
16574
diff
changeset
|
2796 |
de91b1621260
adjust location of eof marker for files with subfunctions but no explicit end statements
John W. Eaton <jwe@octave.org>
parents:
16574
diff
changeset
|
2797 subfunction_names.push_back (nm); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2798 |
14544
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
2799 if (endfunction_found && function_scopes.size () > 1) |
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
2800 { |
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
2801 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
|
2802 = function_scopes[function_scopes.size ()-2]; |
14544
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
2803 |
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
2804 symbol_table::install_nestfunction (nm, octave_value (fcn), |
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
2805 pscope); |
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
2806 } |
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
2807 else |
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
2808 symbol_table::install_subfunction (nm, octave_value (fcn), |
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
2809 primary_fcn_scope); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2810 } |
9474
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2811 |
16153
a57c2c8c8163
move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16151
diff
changeset
|
2812 if (curr_fcn_depth == 1 && fcn) |
14544
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
2813 symbol_table::update_nest (fcn->scope ()); |
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
2814 |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
2815 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
|
2816 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2817 // 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
|
2818 // 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
|
2819 // 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
|
2820 // 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
|
2821 // 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
|
2822 // 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
|
2823 // 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
|
2824 // parse_fcn_file, and |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2825 // 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
|
2826 |
5f8971be8e12
parse.y (finish_function): retrun function object unless parsing function file
John W. Eaton <jwe@octave.org>
parents:
9506
diff
changeset
|
2827 retval = new tree_function_def (fcn); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2828 } |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2829 } |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2830 |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2831 return retval; |
1623 | 2832 } |
2833 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2834 void |
16287
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
2835 octave_base_parser::recover_from_parsing_function (void) |
2883 | 2836 { |
16320
09f0cb9cac7d
don't modify symbol table scope in the parser
John W. Eaton <jwe@octave.org>
parents:
16302
diff
changeset
|
2837 if (lexer.symtab_context.empty ()) |
3903 | 2838 panic_impossible (); |
2839 | |
16320
09f0cb9cac7d
don't modify symbol table scope in the parser
John W. Eaton <jwe@octave.org>
parents:
16302
diff
changeset
|
2840 lexer.symtab_context.pop (); |
2883 | 2841 |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
2842 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
|
2843 && ! parsing_subfunctions) |
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2844 parsing_subfunctions = true; |
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2845 |
16153
a57c2c8c8163
move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16151
diff
changeset
|
2846 curr_fcn_depth--; |
14544
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
2847 function_scopes.pop_back (); |
9474
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2848 |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
2849 lexer.defining_func--; |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
2850 lexer.parsed_function_name.pop (); |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
2851 lexer.looking_at_return_list = false; |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
2852 lexer.looking_at_parameter_list = false; |
2883 | 2853 } |
2854 | |
2846 | 2855 // Make an index expression. |
2856 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2857 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
|
2858 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
|
2859 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
|
2860 char type) |
751 | 2861 { |
2862 tree_index_expression *retval = 0; | |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
2863 |
10206
37a08e0ce2dc
support Matlab-style empty output/input arguments
Jaroslav Hajek <highegg@gmail.com>
parents:
10188
diff
changeset
|
2864 if (args && args->has_magic_tilde ()) |
37a08e0ce2dc
support Matlab-style empty output/input arguments
Jaroslav Hajek <highegg@gmail.com>
parents:
10188
diff
changeset
|
2865 { |
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
|
2866 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
|
2867 return retval; |
37a08e0ce2dc
support Matlab-style empty output/input arguments
Jaroslav Hajek <highegg@gmail.com>
parents:
10188
diff
changeset
|
2868 } |
751 | 2869 |
2970 | 2870 int l = expr->line (); |
2871 int c = expr->column (); | |
2872 | |
2873 expr->mark_postfix_indexed (); | |
2874 | |
3933 | 2875 if (expr->is_index_expression ()) |
2876 { | |
2877 tree_index_expression *tmp = static_cast<tree_index_expression *> (expr); | |
2878 | |
2879 tmp->append (args, type); | |
2880 | |
2881 retval = tmp; | |
2882 } | |
2883 else | |
2884 retval = new tree_index_expression (expr, args, l, c, type); | |
2970 | 2885 |
2886 return retval; | |
2887 } | |
2888 | |
2889 // Make an indirect reference expression. | |
2890 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2891 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
|
2892 octave_base_parser::make_indirect_ref (tree_expression *expr, |
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
2893 const std::string& elt) |
2970 | 2894 { |
3930 | 2895 tree_index_expression *retval = 0; |
2970 | 2896 |
2897 int l = expr->line (); | |
2898 int c = expr->column (); | |
2899 | |
3933 | 2900 if (expr->is_index_expression ()) |
2901 { | |
2902 tree_index_expression *tmp = static_cast<tree_index_expression *> (expr); | |
2903 | |
2904 tmp->append (elt); | |
2905 | |
2906 retval = tmp; | |
2907 } | |
2908 else | |
2909 retval = new tree_index_expression (expr, elt, l, c); | |
2970 | 2910 |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
2911 lexer.looking_at_indirect_ref = false; |
751 | 2912 |
2913 return retval; | |
2914 } | |
1511 | 2915 |
4131 | 2916 // Make an indirect reference expression with dynamic field name. |
2917 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2918 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
|
2919 octave_base_parser::make_indirect_ref (tree_expression *expr, tree_expression *elt) |
4131 | 2920 { |
2921 tree_index_expression *retval = 0; | |
2922 | |
2923 int l = expr->line (); | |
2924 int c = expr->column (); | |
2925 | |
2926 if (expr->is_index_expression ()) | |
2927 { | |
2928 tree_index_expression *tmp = static_cast<tree_index_expression *> (expr); | |
2929 | |
2930 tmp->append (elt); | |
2931 | |
2932 retval = tmp; | |
2933 } | |
2934 else | |
2935 retval = new tree_index_expression (expr, elt, l, c); | |
2936 | |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
2937 lexer.looking_at_indirect_ref = false; |
4131 | 2938 |
2939 return retval; | |
2940 } | |
2941 | |
2846 | 2942 // Make a declaration command. |
2943 | |
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John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2944 tree_decl_command * |
16287
04a7953496a7
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John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
2945 octave_base_parser::make_decl_command (int tok, token *tok_val, |
04a7953496a7
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John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
2946 tree_decl_init_list *lst) |
2846 | 2947 { |
2948 tree_decl_command *retval = 0; | |
2949 | |
2950 int l = tok_val->line (); | |
2951 int c = tok_val->column (); | |
2952 | |
2953 switch (tok) | |
2954 { | |
2955 case GLOBAL: | |
2956 retval = new tree_global_command (lst, l, c); | |
2957 break; | |
2958 | |
14294
9e3983c8963c
deprecate the static keyword
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2959 case PERSISTENT: |
16153
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move some variables into the octave_parser class
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parents:
16151
diff
changeset
|
2960 if (curr_fcn_depth > 0) |
14294
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deprecate the static keyword
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2961 retval = new tree_persistent_command (lst, l, c); |
2846 | 2962 else |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2963 { |
16288
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John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2964 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
|
2965 warning ("ignoring persistent declaration near line %d of file '%s'", |
16288
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rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2966 l, lexer.fcn_file_full_name.c_str ()); |
10315
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untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2967 else |
57a59eae83cc
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parents:
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diff
changeset
|
2968 warning ("ignoring persistent declaration near line %d", l); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2969 } |
2846 | 2970 break; |
2971 | |
2972 default: | |
2973 panic_impossible (); | |
2974 break; | |
2975 } | |
2976 | |
2977 return retval; | |
2978 } | |
2979 | |
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9/10 commits reworking the lexer
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parents:
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|
2980 bool |
16287
04a7953496a7
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John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
2981 octave_base_parser::validate_array_list (tree_expression *e) |
16273
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diff
changeset
|
2982 { |
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parents:
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diff
changeset
|
2983 bool retval = true; |
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changeset
|
2984 |
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diff
changeset
|
2985 tree_array_list *al = dynamic_cast<tree_array_list *> (e); |
c5e5f6ccac5d
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changeset
|
2986 |
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diff
changeset
|
2987 for (tree_array_list::iterator i = al->begin (); i != al->end (); i++) |
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changeset
|
2988 { |
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parents:
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diff
changeset
|
2989 tree_argument_list *row = *i; |
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diff
changeset
|
2990 |
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parents:
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diff
changeset
|
2991 if (row && row->has_magic_tilde ()) |
c5e5f6ccac5d
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parents:
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diff
changeset
|
2992 { |
c5e5f6ccac5d
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parents:
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diff
changeset
|
2993 retval = false; |
c5e5f6ccac5d
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parents:
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diff
changeset
|
2994 if (e->is_matrix ()) |
c5e5f6ccac5d
9/10 commits reworking the lexer
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parents:
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diff
changeset
|
2995 bison_error ("invalid use of tilde (~) in matrix expression"); |
c5e5f6ccac5d
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parents:
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diff
changeset
|
2996 else |
c5e5f6ccac5d
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parents:
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diff
changeset
|
2997 bison_error ("invalid use of tilde (~) in cell expression"); |
c5e5f6ccac5d
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parents:
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diff
changeset
|
2998 break; |
c5e5f6ccac5d
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parents:
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diff
changeset
|
2999 } |
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parents:
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diff
changeset
|
3000 } |
c5e5f6ccac5d
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parents:
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diff
changeset
|
3001 |
c5e5f6ccac5d
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parents:
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diff
changeset
|
3002 return retval; |
c5e5f6ccac5d
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parents:
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diff
changeset
|
3003 } |
c5e5f6ccac5d
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parents:
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diff
changeset
|
3004 |
16134
ec9c6222ef5a
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John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3005 tree_argument_list * |
16287
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
3006 octave_base_parser::validate_matrix_for_assignment (tree_expression *e) |
10207
76a880a588ce
error when using ~ in matrix expression
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parents:
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diff
changeset
|
3007 { |
16273
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parents:
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diff
changeset
|
3008 tree_argument_list *retval = 0; |
c5e5f6ccac5d
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parents:
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diff
changeset
|
3009 |
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parents:
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diff
changeset
|
3010 if (e->is_constant ()) |
c5e5f6ccac5d
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parents:
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diff
changeset
|
3011 { |
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3389152014ca
improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3012 octave_value ov = e->rvalue1 (); |
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improve validation of left hand side of assignment expressions in parser
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parents:
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diff
changeset
|
3013 |
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parents:
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diff
changeset
|
3014 if (ov.is_empty ()) |
3389152014ca
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John W. Eaton <jwe@octave.org>
parents:
16284
diff
changeset
|
3015 bison_error ("invalid empty left hand side of assignment"); |
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improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3016 else |
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parents:
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diff
changeset
|
3017 bison_error ("invalid constant left hand side of assignment"); |
3389152014ca
improve validation of left hand side of assignment expressions in parser
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parents:
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diff
changeset
|
3018 |
16273
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parents:
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diff
changeset
|
3019 delete e; |
c5e5f6ccac5d
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parents:
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diff
changeset
|
3020 } |
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parents:
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diff
changeset
|
3021 else |
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parents:
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diff
changeset
|
3022 { |
16285
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improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3023 bool is_simple_assign = true; |
3389152014ca
improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3024 |
3389152014ca
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parents:
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diff
changeset
|
3025 tree_argument_list *tmp = 0; |
3389152014ca
improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3026 |
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parents:
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diff
changeset
|
3027 if (e->is_matrix ()) |
3389152014ca
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John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3028 { |
3389152014ca
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John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3029 tree_matrix *mat = dynamic_cast<tree_matrix *> (e); |
3389152014ca
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John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3030 |
3389152014ca
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John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3031 if (mat && mat->size () == 1) |
3389152014ca
improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3032 { |
3389152014ca
improve validation of left hand side of assignment expressions in parser
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parents:
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diff
changeset
|
3033 tmp = mat->front (); |
3389152014ca
improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3034 mat->pop_front (); |
3389152014ca
improve validation of left hand side of assignment expressions in parser
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parents:
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diff
changeset
|
3035 delete e; |
3389152014ca
improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3036 is_simple_assign = false; |
3389152014ca
improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3037 } |
3389152014ca
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parents:
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diff
changeset
|
3038 } |
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John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3039 else |
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improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3040 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:
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diff
changeset
|
3041 |
3389152014ca
improve validation of left hand side of assignment expressions in parser
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parents:
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diff
changeset
|
3042 if (tmp && tmp->is_valid_lvalue_list ()) |
16360
11115c237231
recognize variables when parsing (bug #38576)
John W. Eaton <jwe@octave.org>
parents:
16320
diff
changeset
|
3043 { |
11115c237231
recognize variables when parsing (bug #38576)
John W. Eaton <jwe@octave.org>
parents:
16320
diff
changeset
|
3044 lexer.mark_as_variables (tmp->variable_names ()); |
11115c237231
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John W. Eaton <jwe@octave.org>
parents:
16320
diff
changeset
|
3045 retval = tmp; |
11115c237231
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John W. Eaton <jwe@octave.org>
parents:
16320
diff
changeset
|
3046 } |
16285
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John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3047 else |
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parents:
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diff
changeset
|
3048 { |
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parents:
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diff
changeset
|
3049 bison_error ("invalid left hand side of assignment"); |
3389152014ca
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John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3050 delete tmp; |
3389152014ca
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parents:
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diff
changeset
|
3051 } |
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diff
changeset
|
3052 |
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parents:
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diff
changeset
|
3053 if (retval && is_simple_assign) |
3389152014ca
improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3054 retval->mark_as_simple_assign_lhs (); |
16273
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changeset
|
3055 } |
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changeset
|
3056 |
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parents:
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diff
changeset
|
3057 return retval; |
10207
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Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
changeset
|
3058 } |
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parents:
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diff
changeset
|
3059 |
16237
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parents:
16210
diff
changeset
|
3060 // Finish building an array_list. |
1623 | 3061 |
16134
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parents:
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diff
changeset
|
3062 tree_expression * |
16287
04a7953496a7
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parents:
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diff
changeset
|
3063 octave_base_parser::finish_array_list (tree_array_list *array_list) |
1623 | 3064 { |
16237
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rearrange class heirarchy for tree_cell and tree_matrix
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parents:
16210
diff
changeset
|
3065 tree_expression *retval = array_list; |
3110 | 3066 |
10067
6f79338c269b
omission from last patch
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parents:
9794
diff
changeset
|
3067 unwind_protect frame; |
6f79338c269b
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parents:
9794
diff
changeset
|
3068 |
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parents:
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diff
changeset
|
3069 frame.protect_var (error_state); |
6f79338c269b
omission from last patch
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parents:
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diff
changeset
|
3070 frame.protect_var (warning_state); |
6f79338c269b
omission from last patch
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parents:
9794
diff
changeset
|
3071 |
6f79338c269b
omission from last patch
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parents:
9794
diff
changeset
|
3072 frame.protect_var (discard_error_messages); |
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3073 frame.protect_var (discard_warning_messages); |
4452 | 3074 |
3815 | 3075 discard_error_messages = true; |
4452 | 3076 discard_warning_messages = true; |
1623 | 3077 |
16237
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John W. Eaton <jwe@octave.org>
parents:
16210
diff
changeset
|
3078 if (array_list->all_elements_are_constant ()) |
1829 | 3079 { |
16237
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parents:
16210
diff
changeset
|
3080 octave_value tmp = array_list->rvalue1 (); |
1623 | 3081 |
3489 | 3082 if (! (error_state || warning_state)) |
10315
57a59eae83cc
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parents:
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diff
changeset
|
3083 { |
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untabify src C++ source files
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diff
changeset
|
3084 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
|
3085 = 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
|
3086 array_list->column ()); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3087 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3088 std::ostringstream buf; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3089 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3090 tree_print_code tpc (buf); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3091 |
16237
70f465930546
rearrange class heirarchy for tree_cell and tree_matrix
John W. Eaton <jwe@octave.org>
parents:
16210
diff
changeset
|
3092 array_list->accept (tpc); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3093 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3094 tc_retval->stash_original_text (buf.str ()); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3095 |
16237
70f465930546
rearrange class heirarchy for tree_cell and tree_matrix
John W. Eaton <jwe@octave.org>
parents:
16210
diff
changeset
|
3096 delete array_list; |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3097 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3098 retval = tc_retval; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3099 } |
1623 | 3100 } |
3110 | 3101 |
1623 | 3102 return retval; |
3103 } | |
3104 | |
16237
70f465930546
rearrange class heirarchy for tree_cell and tree_matrix
John W. Eaton <jwe@octave.org>
parents:
16210
diff
changeset
|
3105 // 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
|
3106 |
70f465930546
rearrange class heirarchy for tree_cell and tree_matrix
John W. Eaton <jwe@octave.org>
parents:
16210
diff
changeset
|
3107 tree_expression * |
16287
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
3108 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
|
3109 { |
16924
aebb54d99dba
improve compatibility of parsing of matrices and cell arrays
John W. Eaton <jwe@octave.org>
parents:
16850
diff
changeset
|
3110 return (m |
aebb54d99dba
improve compatibility of parsing of matrices and cell arrays
John W. Eaton <jwe@octave.org>
parents:
16850
diff
changeset
|
3111 ? finish_array_list (m) |
aebb54d99dba
improve compatibility of parsing of matrices and cell arrays
John W. Eaton <jwe@octave.org>
parents:
16850
diff
changeset
|
3112 : new tree_constant (octave_null_matrix::instance)); |
16237
70f465930546
rearrange class heirarchy for tree_cell and tree_matrix
John W. Eaton <jwe@octave.org>
parents:
16210
diff
changeset
|
3113 } |
70f465930546
rearrange class heirarchy for tree_cell and tree_matrix
John W. Eaton <jwe@octave.org>
parents:
16210
diff
changeset
|
3114 |
3351 | 3115 // Finish building a cell list. |
3116 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
3117 tree_expression * |
16287
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
3118 octave_base_parser::finish_cell (tree_cell *c) |
3351 | 3119 { |
16924
aebb54d99dba
improve compatibility of parsing of matrices and cell arrays
John W. Eaton <jwe@octave.org>
parents:
16850
diff
changeset
|
3120 return (c |
aebb54d99dba
improve compatibility of parsing of matrices and cell arrays
John W. Eaton <jwe@octave.org>
parents:
16850
diff
changeset
|
3121 ? finish_array_list (c) |
aebb54d99dba
improve compatibility of parsing of matrices and cell arrays
John W. Eaton <jwe@octave.org>
parents:
16850
diff
changeset
|
3122 : new tree_constant (octave_value (Cell ()))); |
3351 | 3123 } |
3124 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
3125 void |
16287
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
3126 octave_base_parser::maybe_warn_missing_semi (tree_statement_list *t) |
1511 | 3127 { |
16153
a57c2c8c8163
move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16151
diff
changeset
|
3128 if (curr_fcn_depth > 0) |
1511 | 3129 { |
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
|
3130 tree_statement *tmp = t->back (); |
1607 | 3131 |
1511 | 3132 if (tmp->is_expression ()) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3133 warning_with_id |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3134 ("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
|
3135 "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
|
3136 tmp->line (), tmp->column (), lexer.fcn_file_full_name.c_str ()); |
1511 | 3137 } |
3138 } | |
1994 | 3139 |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
3140 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
|
3141 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
|
3142 char sep, bool warn_missing_semi) |
2525 | 3143 { |
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
|
3144 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
|
3145 |
2525 | 3146 switch (sep) |
3147 { | |
3148 case ';': | |
8658
73c4516fae10
New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
8471
diff
changeset
|
3149 tmp->set_print_flag (false); |
2525 | 3150 break; |
3151 | |
3152 case 0: | |
3153 case ',': | |
3154 case '\n': | |
8658
73c4516fae10
New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
8471
diff
changeset
|
3155 tmp->set_print_flag (true); |
2525 | 3156 if (warn_missing_semi) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3157 maybe_warn_missing_semi (list); |
2525 | 3158 break; |
3159 | |
3160 default: | |
3161 warning ("unrecognized separator type!"); | |
3162 break; | |
3163 } | |
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
|
3164 |
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
|
3165 // 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
|
3166 // 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
|
3167 |
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
|
3168 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
|
3169 { |
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
|
3170 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
|
3171 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
|
3172 } |
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
|
3173 |
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
|
3174 return list; |
2525 | 3175 } |
3176 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
3177 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
|
3178 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
|
3179 { |
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
|
3180 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
|
3181 } |
d6c0d5f208de
parse.y: avoid storing null statements in statement lists
John W. Eaton <jwe@octave.org>
parents:
8447
diff
changeset
|
3182 |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
3183 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
|
3184 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
|
3185 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
|
3186 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
|
3187 { |
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
|
3188 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
|
3189 |
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
|
3190 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
|
3191 |
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
|
3192 return list; |
8448
d6c0d5f208de
parse.y: avoid storing null statements in statement lists
John W. Eaton <jwe@octave.org>
parents:
8447
diff
changeset
|
3193 } |
d6c0d5f208de
parse.y: avoid storing null statements in statement lists
John W. Eaton <jwe@octave.org>
parents:
8447
diff
changeset
|
3194 |
16145
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3195 void |
16287
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
3196 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
|
3197 { |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
3198 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
|
3199 |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3200 std::ostringstream output_buf; |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3201 |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
3202 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
|
3203 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
|
3204 << " 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
|
3205 else |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3206 output_buf << "parse error:"; |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3207 |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3208 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
|
3209 output_buf << "\n\n " << s; |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3210 |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3211 output_buf << "\n\n"; |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3212 |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
3213 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
|
3214 |
0467d68ca891
move current_input_line to lexical_feedback class
John W. Eaton <jwe@octave.org>
parents:
16203
diff
changeset
|
3215 if (! curr_line.empty ()) |
16145
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3216 { |
16207
0467d68ca891
move current_input_line to lexical_feedback class
John W. Eaton <jwe@octave.org>
parents:
16203
diff
changeset
|
3217 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
|
3218 |
0467d68ca891
move current_input_line to lexical_feedback class
John W. Eaton <jwe@octave.org>
parents:
16203
diff
changeset
|
3219 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
|
3220 curr_line.resize (len-1); |
16145
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3221 |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3222 // 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
|
3223 |
16207
0467d68ca891
move current_input_line to lexical_feedback class
John W. Eaton <jwe@octave.org>
parents:
16203
diff
changeset
|
3224 output_buf << ">>> " << curr_line << "\n"; |
16145
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3225 |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3226 if (err_col == 0) |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3227 err_col = len; |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3228 |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3229 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
|
3230 output_buf << " "; |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3231 |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3232 output_buf << "^"; |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3233 } |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3234 |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3235 output_buf << "\n"; |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3236 |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3237 std::string msg = output_buf.str (); |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3238 |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3239 parse_error ("%s", msg.c_str ()); |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3240 } |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3241 |
16287
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
3242 int |
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
3243 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
|
3244 { |
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
3245 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
|
3246 } |
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
3247 |
16294
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3248 octave_push_parser::~octave_push_parser (void) |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3249 { |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3250 yypstate_delete (static_cast<yypstate *> (parser_state)); |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3251 } |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3252 |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3253 void |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3254 octave_push_parser::init (void) |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3255 { |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3256 parser_state = yypstate_new (); |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3257 |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3258 octave_base_parser::init (); |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3259 } |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3260 |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3261 // Parse input from INPUT. Pass TRUE for EOF if the end of INPUT should |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3262 // finish the parse. |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3263 |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3264 int |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3265 octave_push_parser::run (const std::string& input, bool eof) |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3266 { |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3267 int status = -1; |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3268 |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3269 dynamic_cast<octave_push_lexer&> (lexer).append_input (input, eof); |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3270 |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3271 do |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3272 { |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3273 YYSTYPE lval; |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3274 |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3275 int token = octave_lex (&lval, scanner); |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3276 |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3277 if (token < 0) |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3278 { |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3279 if (! eof && lexer.at_end_of_buffer ()) |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3280 { |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3281 status = -1; |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3282 break; |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3283 } |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3284 } |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3285 |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3286 yypstate *pstate = static_cast<yypstate *> (parser_state); |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3287 |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3288 status = octave_push_parse (pstate, token, &lval, *this); |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3289 } |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3290 while (status == YYPUSH_MORE); |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3291 |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3292 return status; |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3293 } |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3294 |
3021 | 3295 static void |
10067
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3296 safe_fclose (FILE *f) |
3021 | 3297 { |
5775 | 3298 // FIXME -- comments at the end of an input file are |
3765 | 3299 // discarded (otherwise, they would be appended to the next |
3300 // statement, possibly from the command line or another file, which | |
3301 // can be quite confusing). | |
3302 | |
5308 | 3303 octave_comment_list *tc = octave_comment_buffer::get_comment (); |
3304 | |
3305 delete tc; | |
3765 | 3306 |
3021 | 3307 if (f) |
3308 fclose (static_cast<FILE *> (f)); | |
3309 } | |
3310 | |
7336 | 3311 static octave_function * |
16203
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3312 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
|
3313 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
|
3314 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
|
3315 bool relative_lookup, const std::string& warn_for) |
3021 | 3316 { |
10067
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3317 unwind_protect frame; |
3021 | 3318 |
7336 | 3319 octave_function *fcn_ptr = 0; |
3021 | 3320 |
3321 // Open function file and parse. | |
3322 | |
3323 FILE *in_stream = command_editor::get_input_stream (); | |
3324 | |
10067
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3325 frame.add_fcn (command_editor::set_input_stream, in_stream); |
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3326 |
12989
00235a6446da
eliminate duplication of internal variables controlling command history
John W. Eaton <jwe@octave.org>
parents:
12973
diff
changeset
|
3327 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
|
3328 command_history::ignoring_entries ()); |
00235a6446da
eliminate duplication of internal variables controlling command history
John W. Eaton <jwe@octave.org>
parents:
12973
diff
changeset
|
3329 |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3330 command_history::ignore_entries (); |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3331 |
16198
2c5c538be353
clean up input.cc and eliminate ff_instream global variable
John W. Eaton <jwe@octave.org>
parents:
16195
diff
changeset
|
3332 FILE *ffile = 0; |
2c5c538be353
clean up input.cc and eliminate ff_instream global variable
John W. Eaton <jwe@octave.org>
parents:
16195
diff
changeset
|
3333 |
16203
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3334 if (! full_file.empty ()) |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3335 ffile = gnulib::fopen (full_file.c_str (), "rb"); |
3021 | 3336 |
10067
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3337 frame.add_fcn (safe_fclose, ffile); |
3021 | 3338 |
3339 if (ffile) | |
3340 { | |
16287
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
3341 // 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
|
3342 frame.protect_var (LEXER); |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
3343 |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
3344 octave_parser parser (ffile); |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
3345 |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
3346 parser.curr_class_name = dispatch_type; |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
3347 parser.autoloading = autoload; |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
3348 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
|
3349 |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
3350 parser.lexer.force_script = force_script; |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
3351 parser.lexer.prep_for_file (); |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
3352 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
|
3353 |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
3354 parser.lexer.fcn_file_name = file; |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
3355 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
|
3356 |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
3357 int status = parser.run (); |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
3358 |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
3359 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
|
3360 |
16627
de91b1621260
adjust location of eof marker for files with subfunctions but no explicit end statements
John W. Eaton <jwe@octave.org>
parents:
16574
diff
changeset
|
3361 if (fcn_ptr) |
de91b1621260
adjust location of eof marker for files with subfunctions but no explicit end statements
John W. Eaton <jwe@octave.org>
parents:
16574
diff
changeset
|
3362 { |
de91b1621260
adjust location of eof marker for files with subfunctions but no explicit end statements
John W. Eaton <jwe@octave.org>
parents:
16574
diff
changeset
|
3363 fcn_ptr->maybe_relocate_end (); |
de91b1621260
adjust location of eof marker for files with subfunctions but no explicit end statements
John W. Eaton <jwe@octave.org>
parents:
16574
diff
changeset
|
3364 |
de91b1621260
adjust location of eof marker for files with subfunctions but no explicit end statements
John W. Eaton <jwe@octave.org>
parents:
16574
diff
changeset
|
3365 if (parser.parsing_subfunctions) |
de91b1621260
adjust location of eof marker for files with subfunctions but no explicit end statements
John W. Eaton <jwe@octave.org>
parents:
16574
diff
changeset
|
3366 { |
de91b1621260
adjust location of eof marker for files with subfunctions but no explicit end statements
John W. Eaton <jwe@octave.org>
parents:
16574
diff
changeset
|
3367 if (! parser.endfunction_found) |
de91b1621260
adjust location of eof marker for files with subfunctions but no explicit end statements
John W. Eaton <jwe@octave.org>
parents:
16574
diff
changeset
|
3368 parser.subfunction_names.reverse (); |
de91b1621260
adjust location of eof marker for files with subfunctions but no explicit end statements
John W. Eaton <jwe@octave.org>
parents:
16574
diff
changeset
|
3369 |
de91b1621260
adjust location of eof marker for files with subfunctions but no explicit end statements
John W. Eaton <jwe@octave.org>
parents:
16574
diff
changeset
|
3370 fcn_ptr->stash_subfunction_names (parser.subfunction_names); |
de91b1621260
adjust location of eof marker for files with subfunctions but no explicit end statements
John W. Eaton <jwe@octave.org>
parents:
16574
diff
changeset
|
3371 } |
de91b1621260
adjust location of eof marker for files with subfunctions but no explicit end statements
John W. Eaton <jwe@octave.org>
parents:
16574
diff
changeset
|
3372 } |
de91b1621260
adjust location of eof marker for files with subfunctions but no explicit end statements
John W. Eaton <jwe@octave.org>
parents:
16574
diff
changeset
|
3373 |
16203
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3374 if (status != 0) |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3375 error ("parse error while reading file %s", full_file.c_str ()); |
3021 | 3376 } |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3377 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
|
3378 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
|
3379 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
|
3380 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
|
3381 full_file.c_str ()); |
3021 | 3382 |
7336 | 3383 return fcn_ptr; |
3021 | 3384 } |
3385 | |
5484 | 3386 std::string |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3387 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
|
3388 std::string& full_file) |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3389 { |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3390 std::string retval; |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3391 |
16203
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3392 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
|
3393 |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3394 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
|
3395 |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3396 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
|
3397 |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3398 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
|
3399 || (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
|
3400 || (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
|
3401 { |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3402 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
|
3403 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
|
3404 |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3405 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
|
3406 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
|
3407 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
|
3408 } |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3409 |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3410 if (! file.empty ()) |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3411 { |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3412 symbol_found = true; |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3413 |
16203
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3414 octave_function *fcn |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3415 = 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
|
3416 |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3417 if (fcn) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3418 { |
16203
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3419 retval = fcn->doc_string (); |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3420 |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3421 delete fcn; |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3422 } |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3423 } |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3424 |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3425 return retval; |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3426 } |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3427 |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3428 std::string |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3429 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
|
3430 { |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3431 std::string file; |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3432 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
|
3433 } |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3434 |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3435 std::string |
5484 | 3436 lookup_autoload (const std::string& nm) |
3437 { | |
5626 | 3438 std::string retval; |
3439 | |
3440 typedef std::map<std::string, std::string>::const_iterator am_iter; | |
3441 | |
3442 am_iter p = autoload_map.find (nm); | |
3443 | |
3444 if (p != autoload_map.end ()) | |
6323 | 3445 retval = load_path::find_file (p->second); |
5626 | 3446 |
3447 return retval; | |
5484 | 3448 } |
3449 | |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
3450 string_vector |
5592 | 3451 autoloaded_functions (void) |
3452 { | |
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
|
3453 string_vector names (autoload_map.size ()); |
5592 | 3454 |
3455 octave_idx_type i = 0; | |
5626 | 3456 typedef std::map<std::string, std::string>::const_iterator am_iter; |
3457 for (am_iter p = autoload_map.begin (); p != autoload_map.end (); p++) | |
5592 | 3458 names[i++] = p->first; |
3459 | |
3460 return names; | |
3461 } | |
3462 | |
3463 string_vector | |
3464 reverse_lookup_autoload (const std::string& nm) | |
3465 { | |
3466 string_vector names; | |
3467 | |
5626 | 3468 typedef std::map<std::string, std::string>::const_iterator am_iter; |
3469 for (am_iter p = autoload_map.begin (); p != autoload_map.end (); p++) | |
5592 | 3470 if (nm == p->second) |
3471 names.append (p->first); | |
3472 | |
3473 return names; | |
3474 } | |
3475 | |
7336 | 3476 octave_function * |
3477 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
|
3478 const std::string& dispatch_type, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3479 const std::string& fcn_name, bool autoload) |
3021 | 3480 { |
7336 | 3481 octave_function *retval = 0; |
3482 | |
10067
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3483 unwind_protect frame; |
5484 | 3484 |
7336 | 3485 std::string nm = file_name; |
6238 | 3486 |
3487 size_t nm_len = nm.length (); | |
5472 | 3488 |
3489 std::string file; | |
3490 | |
16153
a57c2c8c8163
move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16151
diff
changeset
|
3491 bool relative_lookup = false; |
6323 | 3492 |
7336 | 3493 file = nm; |
3494 | |
3495 if ((nm_len > 4 && nm.substr (nm_len-4) == ".oct") | |
3496 || (nm_len > 4 && nm.substr (nm_len-4) == ".mex") | |
3497 || (nm_len > 2 && nm.substr (nm_len-2) == ".m")) | |
5472 | 3498 { |
6238 | 3499 nm = octave_env::base_pathname (file); |
3500 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
|
3501 |
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
|
3502 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
|
3503 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
|
3504 nm = nm.substr (pos+1); |
5472 | 3505 } |
7336 | 3506 |
16153
a57c2c8c8163
move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16151
diff
changeset
|
3507 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
|
3508 |
10250 | 3509 file = octave_env::make_absolute (file); |
4243 | 3510 |
3511 int len = file.length (); | |
3512 | |
4244 | 3513 if (len > 4 && file.substr (len-4, len-1) == ".oct") |
3021 | 3514 { |
7336 | 3515 if (autoload && ! fcn_name.empty ()) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3516 nm = fcn_name; |
7336 | 3517 |
16153
a57c2c8c8163
move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16151
diff
changeset
|
3518 retval = octave_dynamic_loader::load_oct (nm, file, relative_lookup); |
5864 | 3519 } |
3520 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
|
3521 { |
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
|
3522 // 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
|
3523 // 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
|
3524 |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
3525 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
|
3526 nm, dispatch_type, false, |
16153
a57c2c8c8163
move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16151
diff
changeset
|
3527 autoload, autoload, |
a57c2c8c8163
move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16151
diff
changeset
|
3528 relative_lookup, ""); |
a57c2c8c8163
move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16151
diff
changeset
|
3529 |
a57c2c8c8163
move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16151
diff
changeset
|
3530 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
|
3531 |
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
|
3532 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
|
3533 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
|
3534 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
|
3535 } |
4244 | 3536 else if (len > 2) |
3021 | 3537 { |
16203
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3538 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
|
3539 autoload, relative_lookup, ""); |
3021 | 3540 } |
3541 | |
7336 | 3542 if (retval) |
8819
96d87674b818
also stash directory name for subfunctions
John W. Eaton <jwe@octave.org>
parents:
8812
diff
changeset
|
3543 { |
96d87674b818
also stash directory name for subfunctions
John W. Eaton <jwe@octave.org>
parents:
8812
diff
changeset
|
3544 retval->stash_dir_name (dir_name); |
96d87674b818
also stash directory name for subfunctions
John W. Eaton <jwe@octave.org>
parents:
8812
diff
changeset
|
3545 |
96d87674b818
also stash directory name for subfunctions
John W. Eaton <jwe@octave.org>
parents:
8812
diff
changeset
|
3546 if (retval->is_user_function ()) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3547 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3548 symbol_table::scope_id id = retval->scope (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3549 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3550 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
|
3551 } |
8819
96d87674b818
also stash directory name for subfunctions
John W. Eaton <jwe@octave.org>
parents:
8812
diff
changeset
|
3552 } |
7336 | 3553 |
3554 return retval; | |
5312 | 3555 } |
3556 | |
8746
5dd06f19e9be
handle commands in the lexer
John W. Eaton <jwe@octave.org>
parents:
8745
diff
changeset
|
3557 DEFUN (autoload, args, , |
5484 | 3558 "-*- texinfo -*-\n\ |
17170
d6499c14021c
doc: Periodic grammarcheck of documentation.
Rik <rik@octave.org>
parents:
16924
diff
changeset
|
3559 @deftypefn {Built-in Function} {} autoload (@var{function}, @var{file})\n\ |
16848
77c8aae15908
accept remove option for autoload
Juan Pablo Carbajal <ajuanpi+dev@gmail.com>
parents:
16789
diff
changeset
|
3560 @deftypefnx {Built-in Function} {} autoload (@dots{}, @asis{\"remove\"})\n\ |
5484 | 3561 Define @var{function} to autoload from @var{file}.\n\ |
5626 | 3562 \n\ |
6926 | 3563 The second argument, @var{file}, should be an absolute file name or\n\ |
3564 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
|
3565 the autoload command was run. @var{file} should not depend on the\n\ |
6926 | 3566 Octave load path.\n\ |
6380 | 3567 \n\ |
3568 Normally, calls to @code{autoload} appear in PKG_ADD script files that\n\ | |
16789
2f63d2f3ff11
doc: Update docstrings in oct-parse.in.yy.
Rik <rik@octave.org>
parents:
16681
diff
changeset
|
3569 are evaluated when a directory is added to Octave's load path. To\n\ |
6926 | 3570 avoid having to hardcode directory names in @var{file}, if @var{file}\n\ |
3571 is in the same directory as the PKG_ADD script then\n\ | |
6380 | 3572 \n\ |
3573 @example\n\ | |
6926 | 3574 autoload (\"foo\", \"bar.oct\");\n\ |
6380 | 3575 @end example\n\ |
3576 \n\ | |
11572
7d6d8c1e471f
Grammarcheck Texinfo for files in src directory.
Rik <octave@nomad.inbox5.com>
parents:
11523
diff
changeset
|
3577 @noindent\n\ |
9038
fca0dc2fb042
Cleanup documentation files stmt.texi and func.texi
Rik <rdrider0-list@yahoo.com>
parents:
8974
diff
changeset
|
3578 will load the function @code{foo} from the file @code{bar.oct}. The above\n\ |
16789
2f63d2f3ff11
doc: Update docstrings in oct-parse.in.yy.
Rik <rik@octave.org>
parents:
16681
diff
changeset
|
3579 usage when @code{bar.oct} is not in the same directory or usages such as\n\ |
6380 | 3580 \n\ |
3581 @example\n\ | |
6637 | 3582 autoload (\"foo\", file_in_loadpath (\"bar.oct\"))\n\ |
6380 | 3583 @end example\n\ |
3584 \n\ | |
3585 @noindent\n\ | |
16789
2f63d2f3ff11
doc: Update docstrings in oct-parse.in.yy.
Rik <rik@octave.org>
parents:
16681
diff
changeset
|
3586 are strongly discouraged, as their behavior may be unpredictable.\n\ |
6380 | 3587 \n\ |
6637 | 3588 With no arguments, return a structure containing the current autoload map.\n\ |
16848
77c8aae15908
accept remove option for autoload
Juan Pablo Carbajal <ajuanpi+dev@gmail.com>
parents:
16789
diff
changeset
|
3589 \n\ |
77c8aae15908
accept remove option for autoload
Juan Pablo Carbajal <ajuanpi+dev@gmail.com>
parents:
16789
diff
changeset
|
3590 If a third argument @asis{'remove'} is given, the function is cleared and\n\ |
77c8aae15908
accept remove option for autoload
Juan Pablo Carbajal <ajuanpi+dev@gmail.com>
parents:
16789
diff
changeset
|
3591 not loaded anymore during the current Octave session.\n\ |
77c8aae15908
accept remove option for autoload
Juan Pablo Carbajal <ajuanpi+dev@gmail.com>
parents:
16789
diff
changeset
|
3592 \n\ |
6380 | 3593 @seealso{PKG_ADD}\n\ |
5484 | 3594 @end deftypefn") |
3595 { | |
5626 | 3596 octave_value retval; |
5484 | 3597 |
3598 int nargin = args.length (); | |
3599 | |
5626 | 3600 if (nargin == 0) |
3601 { | |
10350
12884915a8e4
merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents:
10315
diff
changeset
|
3602 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
|
3603 Cell file_names (dim_vector (autoload_map.size (), 1)); |
5626 | 3604 |
3605 octave_idx_type i = 0; | |
3606 typedef std::map<std::string, std::string>::const_iterator am_iter; | |
3607 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
|
3608 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3609 func_names(i) = p->first; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3610 file_names(i) = p->second; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3611 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3612 i++; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3613 } |
5626 | 3614 |
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
|
3615 octave_map m; |
5626 | 3616 |
3617 m.assign ("function", func_names); | |
3618 m.assign ("file", file_names); | |
3619 | |
3620 retval = m; | |
3621 } | |
16848
77c8aae15908
accept remove option for autoload
Juan Pablo Carbajal <ajuanpi+dev@gmail.com>
parents:
16789
diff
changeset
|
3622 else if (nargin == 2 || nargin == 3) |
5484 | 3623 { |
3624 string_vector argv = args.make_argv ("autoload"); | |
3625 | |
3626 if (! error_state) | |
6380 | 3627 { |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3628 std::string nm = argv[2]; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3629 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3630 if (! octave_env::absolute_pathname (nm)) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3631 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3632 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
|
3633 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3634 bool found = false; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3635 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3636 if (fcn) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3637 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3638 std::string fname = fcn->fcn_file_name (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3639 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3640 if (! fname.empty ()) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3641 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3642 fname = octave_env::make_absolute (fname); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3643 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
|
3644 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3645 file_stat fs (fname + nm); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3646 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3647 if (fs.exists ()) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3648 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3649 nm = fname + nm; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3650 found = true; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3651 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3652 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3653 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3654 if (! found) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3655 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
|
3656 "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
|
3657 nm.c_str ()); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3658 } |
16848
77c8aae15908
accept remove option for autoload
Juan Pablo Carbajal <ajuanpi+dev@gmail.com>
parents:
16789
diff
changeset
|
3659 if (nargin == 2) |
77c8aae15908
accept remove option for autoload
Juan Pablo Carbajal <ajuanpi+dev@gmail.com>
parents:
16789
diff
changeset
|
3660 autoload_map[argv[1]] = nm; |
77c8aae15908
accept remove option for autoload
Juan Pablo Carbajal <ajuanpi+dev@gmail.com>
parents:
16789
diff
changeset
|
3661 else if (nargin == 3) |
77c8aae15908
accept remove option for autoload
Juan Pablo Carbajal <ajuanpi+dev@gmail.com>
parents:
16789
diff
changeset
|
3662 { |
77c8aae15908
accept remove option for autoload
Juan Pablo Carbajal <ajuanpi+dev@gmail.com>
parents:
16789
diff
changeset
|
3663 if (argv[3].compare ("remove") != 0) |
77c8aae15908
accept remove option for autoload
Juan Pablo Carbajal <ajuanpi+dev@gmail.com>
parents:
16789
diff
changeset
|
3664 error_with_id ("Octave:invalid-input-arg", |
77c8aae15908
accept remove option for autoload
Juan Pablo Carbajal <ajuanpi+dev@gmail.com>
parents:
16789
diff
changeset
|
3665 "autoload: third argument can only be 'remove'"); |
77c8aae15908
accept remove option for autoload
Juan Pablo Carbajal <ajuanpi+dev@gmail.com>
parents:
16789
diff
changeset
|
3666 |
77c8aae15908
accept remove option for autoload
Juan Pablo Carbajal <ajuanpi+dev@gmail.com>
parents:
16789
diff
changeset
|
3667 // Remove function from symbol table and autoload map. |
16850
ec2ac2300ac8
oct-parse-in.yy: Fix error compiling code in cset 77c8aae15908.
Rik <rik@octave.org>
parents:
16848
diff
changeset
|
3668 symbol_table::clear_dld_function (argv[1]); |
16848
77c8aae15908
accept remove option for autoload
Juan Pablo Carbajal <ajuanpi+dev@gmail.com>
parents:
16789
diff
changeset
|
3669 autoload_map.erase (argv[1]); |
77c8aae15908
accept remove option for autoload
Juan Pablo Carbajal <ajuanpi+dev@gmail.com>
parents:
16789
diff
changeset
|
3670 } |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3671 } |
5484 | 3672 } |
3673 else | |
5823 | 3674 print_usage (); |
5484 | 3675 |
3676 return retval; | |
3677 } | |
3678 | |
4486 | 3679 void |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3680 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
|
3681 bool verbose, bool require_file, const std::string& warn_for) |
4486 | 3682 { |
10578
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3683 // 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
|
3684 // 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
|
3685 // 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
|
3686 // written as |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3687 // |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3688 // foo1.m: |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3689 // ------ |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3690 // foo2 |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3691 // |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3692 // foo2.m: |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3693 // ------ |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3694 // foo1 |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3695 // |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3696 // and called with |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3697 // |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3698 // foo1 |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3699 // |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3700 // (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
|
3701 // |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3702 // foo1.m: |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3703 // ------ |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3704 // source ("foo2.m") |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3705 // |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3706 // foo2.m: |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3707 // ------ |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3708 // source ("foo1.m") |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3709 // |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3710 // and called with |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3711 // |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3712 // source ("foo1.m") |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3713 // |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3714 // (for example). |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3715 |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
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10570
diff
changeset
|
3716 static std::map<std::string, int> source_call_depth; |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
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10570
diff
changeset
|
3717 |
4486 | 3718 std::string file_full_name = file_ops::tilde_expand (file_name); |
3719 | |
10578
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
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10570
diff
changeset
|
3720 file_full_name = octave_env::make_absolute (file_full_name); |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
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10570
diff
changeset
|
3721 |
10067
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3722 unwind_protect frame; |
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3723 |
10578
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
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10570
diff
changeset
|
3724 if (source_call_depth.find (file_full_name) == source_call_depth.end ()) |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
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10570
diff
changeset
|
3725 source_call_depth[file_full_name] = -1; |
cb0883127251
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10570
diff
changeset
|
3726 |
cb0883127251
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10570
diff
changeset
|
3727 frame.protect_var (source_call_depth[file_full_name]); |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3728 |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3729 source_call_depth[file_full_name]++; |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3730 |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3731 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
|
3732 { |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3733 error ("max_recursion_depth exceeded"); |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3734 return; |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3735 } |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3736 |
5975 | 3737 if (! context.empty ()) |
3738 { | |
3739 if (context == "caller") | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3740 octave_call_stack::goto_caller_frame (); |
5975 | 3741 else if (context == "base") |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3742 octave_call_stack::goto_base_frame (); |
5975 | 3743 else |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3744 error ("source: context must be \"caller\" or \"base\""); |
7336 | 3745 |
3746 if (! error_state) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3747 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
|
3748 } |
5975 | 3749 |
3750 if (! error_state) | |
3751 { | |
16203
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3752 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
|
3753 "", require_file, true, |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3754 false, false, warn_for); |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3755 |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3756 if (! error_state) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3757 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3758 if (fcn && fcn->is_user_script ()) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3759 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3760 octave_value_list args; |
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 (verbose) |
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 std::cout << "executing commands from " << file_full_name << " ... "; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3765 reading_startup_message_printed = true; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3766 std::cout.flush (); |
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 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3769 fcn->do_multi_index_op (0, args); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3770 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3771 if (verbose) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3772 std::cout << "done." << std::endl; |
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 delete fcn; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3775 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3776 } |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3777 else |
15466
d174210ce1ec
use ' instead of ` in error messages, warnings and most comments
John W. Eaton <jwe@octave.org>
parents:
14189
diff
changeset
|
3778 error ("source: error sourcing file '%s'", |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3779 file_full_name.c_str ()); |
5975 | 3780 } |
4486 | 3781 } |
3782 | |
5739 | 3783 DEFUN (mfilename, args, , |
3784 "-*- texinfo -*-\n\ | |
11572
7d6d8c1e471f
Grammarcheck Texinfo for files in src directory.
Rik <octave@nomad.inbox5.com>
parents:
11523
diff
changeset
|
3785 @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
|
3786 @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
|
3787 @deftypefnx {Built-in Function} {} mfilename (\"fullpathext\")\n\ |
5739 | 3788 Return the name of the currently executing file. At the top-level,\n\ |
17281
bc924baa2c4e
doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
parents:
17249
diff
changeset
|
3789 return the empty string. Given the argument @qcode{\"fullpath\"},\n\ |
5739 | 3790 include the directory part of the file name, but not the extension.\n\ |
17281
bc924baa2c4e
doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
parents:
17249
diff
changeset
|
3791 Given the argument @qcode{\"fullpathext\"}, include the directory part\n\ |
5739 | 3792 of the file name and the extension.\n\ |
5774 | 3793 @end deftypefn") |
5739 | 3794 { |
3795 octave_value retval; | |
3796 | |
3797 int nargin = args.length (); | |
3798 | |
3799 if (nargin > 1) | |
3800 { | |
5823 | 3801 print_usage (); |
5739 | 3802 return retval; |
3803 } | |
3804 | |
3805 std::string arg; | |
3806 | |
3807 if (nargin == 1) | |
3808 { | |
3809 arg = args(0).string_value (); | |
3810 | |
3811 if (error_state) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3812 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3813 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
|
3814 return retval; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3815 } |
5739 | 3816 } |
3817 | |
3818 std::string fname; | |
3819 | |
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
|
3820 octave_user_code *fcn = octave_call_stack::caller_user_code (); |
5743 | 3821 |
3822 if (fcn) | |
3823 { | |
3824 fname = fcn->fcn_file_name (); | |
3825 | |
3826 if (fname.empty ()) | |
3827 fname = fcn->name (); | |
3828 } | |
5739 | 3829 |
3830 if (arg == "fullpathext") | |
3831 retval = fname; | |
3832 else | |
3833 { | |
8007
a2ab20ba78f7
make file_ops a proper singleton class
John W. Eaton <jwe@octave.org>
parents:
8001
diff
changeset
|
3834 size_t dpos = fname.rfind (file_ops::dir_sep_char ()); |
5747 | 3835 size_t epos = fname.rfind ('.'); |
3836 | |
3837 if (epos <= dpos) | |
8021 | 3838 epos = std::string::npos; |
3839 | |
3840 fname = (epos != std::string::npos) ? fname.substr (0, epos) : fname; | |
5739 | 3841 |
3842 if (arg == "fullpath") | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3843 retval = fname; |
5739 | 3844 else |
8021 | 3845 retval = (dpos != std::string::npos) ? fname.substr (dpos+1) : fname; |
5739 | 3846 } |
3847 | |
3848 return retval; | |
3849 } | |
3850 | |
3021 | 3851 DEFUN (source, args, , |
3371 | 3852 "-*- texinfo -*-\n\ |
3853 @deftypefn {Built-in Function} {} source (@var{file})\n\ | |
3854 Parse and execute the contents of @var{file}. This is equivalent to\n\ | |
3855 executing commands from a script file, but without requiring the file to\n\ | |
3856 be named @file{@var{file}.m}.\n\ | |
3857 @end deftypefn") | |
3021 | 3858 { |
3859 octave_value_list retval; | |
3860 | |
3861 int nargin = args.length (); | |
3862 | |
5975 | 3863 if (nargin == 1 || nargin == 2) |
3021 | 3864 { |
3523 | 3865 std::string file_name = args(0).string_value (); |
3021 | 3866 |
3867 if (! error_state) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3868 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3869 std::string context; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3870 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3871 if (nargin == 2) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3872 context = args(1).string_value (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3873 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3874 if (! error_state) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3875 source_file (file_name, context); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3876 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3877 error ("source: expecting context to be character string"); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3878 } |
3021 | 3879 else |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3880 error ("source: expecting file name as argument"); |
3021 | 3881 } |
3882 else | |
5823 | 3883 print_usage (); |
3021 | 3884 |
3885 return retval; | |
3886 } | |
3887 | |
3726 | 3888 // Evaluate an Octave function (built-in or interpreted) and return |
3844 | 3889 // the list of result values. NAME is the name of the function to |
3890 // 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
|
3891 // number of output arguments expected. |
3726 | 3892 |
3021 | 3893 octave_value_list |
3523 | 3894 feval (const std::string& name, const octave_value_list& args, int nargout) |
3156 | 3895 { |
3896 octave_value_list retval; | |
3897 | |
7336 | 3898 octave_value fcn = symbol_table::find_function (name, args); |
3899 | |
3900 if (fcn.is_defined ()) | |
3901 retval = fcn.do_multi_index_op (nargout, args); | |
3902 else | |
10443
34e51d4e199b
implement smart warnings about missing Matlab functionality
Jaroslav Hajek <highegg@gmail.com>
parents:
10426
diff
changeset
|
3903 { |
34e51d4e199b
implement smart warnings about missing Matlab functionality
Jaroslav Hajek <highegg@gmail.com>
parents:
10426
diff
changeset
|
3904 maybe_missing_function_hook (name); |
34e51d4e199b
implement smart warnings about missing Matlab functionality
Jaroslav Hajek <highegg@gmail.com>
parents:
10426
diff
changeset
|
3905 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
|
3906 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
|
3907 } |
3156 | 3908 |
3909 return retval; | |
3910 } | |
3911 | |
4342 | 3912 octave_value_list |
3913 feval (octave_function *fcn, const octave_value_list& args, int nargout) | |
3914 { | |
3915 octave_value_list retval; | |
3916 | |
3917 if (fcn) | |
3918 retval = fcn->do_multi_index_op (nargout, args); | |
3919 | |
3920 return retval; | |
3921 } | |
3922 | |
3923 static octave_value_list | |
3924 get_feval_args (const octave_value_list& args) | |
3925 { | |
10659
8baff2aceabc
fix slicing value lists with name tags (bug #29960)
Jaroslav Hajek <highegg@gmail.com>
parents:
10578
diff
changeset
|
3926 return args.slice (1, args.length () - 1, true); |
4342 | 3927 } |
3928 | |
3929 | |
3726 | 3930 // Evaluate an Octave function (built-in or interpreted) and return |
3931 // the list of result values. The first element of ARGS should be a | |
3932 // string containing the name of the function to call, then the rest | |
3933 // are the actual arguments to the function. NARGOUT is the number of | |
3934 // output arguments expected. | |
3935 | |
3156 | 3936 octave_value_list |
3021 | 3937 feval (const octave_value_list& args, int nargout) |
3938 { | |
3939 octave_value_list retval; | |
3940 | |
4342 | 3941 int nargin = args.length (); |
3942 | |
3943 if (nargin > 0) | |
3021 | 3944 { |
4342 | 3945 octave_value f_arg = args(0); |
3946 | |
3947 if (f_arg.is_string ()) | |
3948 { | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3949 std::string name = f_arg.string_value (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3950 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3951 if (! error_state) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3952 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3953 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
|
3954 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3955 retval = feval (name, tmp_args, nargout); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3956 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3957 } |
13241
2a8dcb5b3a00
improve default indexing for objects
John W. Eaton <jwe@octave.org>
parents:
13237
diff
changeset
|
3958 else if (f_arg.is_function_handle () |
2a8dcb5b3a00
improve default indexing for objects
John W. Eaton <jwe@octave.org>
parents:
13237
diff
changeset
|
3959 || f_arg.is_anonymous_function () |
2a8dcb5b3a00
improve default indexing for objects
John W. Eaton <jwe@octave.org>
parents:
13237
diff
changeset
|
3960 || f_arg.is_inline_function ()) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3961 { |
10492
a6b64a7a3769
make feval work with overloaded handles
Jaroslav Hajek <highegg@gmail.com>
parents:
10463
diff
changeset
|
3962 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
|
3963 |
a6b64a7a3769
make feval work with overloaded handles
Jaroslav Hajek <highegg@gmail.com>
parents:
10463
diff
changeset
|
3964 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
|
3965 } |
10492
a6b64a7a3769
make feval work with overloaded handles
Jaroslav Hajek <highegg@gmail.com>
parents:
10463
diff
changeset
|
3966 else |
a6b64a7a3769
make feval work with overloaded handles
Jaroslav Hajek <highegg@gmail.com>
parents:
10463
diff
changeset
|
3967 error ("feval: first argument must be a string, inline function or a function handle"); |
3021 | 3968 } |
3969 | |
3970 return retval; | |
3971 } | |
3972 | |
3973 DEFUN (feval, args, nargout, | |
3371 | 3974 "-*- texinfo -*-\n\ |
3975 @deftypefn {Built-in Function} {} feval (@var{name}, @dots{})\n\ | |
3976 Evaluate the function named @var{name}. Any arguments after the first\n\ | |
16789
2f63d2f3ff11
doc: Update docstrings in oct-parse.in.yy.
Rik <rik@octave.org>
parents:
16681
diff
changeset
|
3977 are passed as inputs to the named function. For example,\n\ |
3371 | 3978 \n\ |
3979 @example\n\ | |
11572
7d6d8c1e471f
Grammarcheck Texinfo for files in src directory.
Rik <octave@nomad.inbox5.com>
parents:
11523
diff
changeset
|
3980 @group\n\ |
3371 | 3981 feval (\"acos\", -1)\n\ |
3982 @result{} 3.1416\n\ | |
11572
7d6d8c1e471f
Grammarcheck Texinfo for files in src directory.
Rik <octave@nomad.inbox5.com>
parents:
11523
diff
changeset
|
3983 @end group\n\ |
3371 | 3984 @end example\n\ |
3021 | 3985 \n\ |
3371 | 3986 @noindent\n\ |
3987 calls the function @code{acos} with the argument @samp{-1}.\n\ | |
3988 \n\ | |
12946
8b5b85e26246
octave-parse.yy (feval): Update docstring to refer to function handles.
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents:
12918
diff
changeset
|
3989 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
|
3990 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
|
3991 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
|
3992 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
|
3993 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
|
3994 \n\ |
8b5b85e26246
octave-parse.yy (feval): Update docstring to refer to function handles.
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents:
12918
diff
changeset
|
3995 @example\n\ |
8b5b85e26246
octave-parse.yy (feval): Update docstring to refer to function handles.
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents:
12918
diff
changeset
|
3996 @group\n\ |
8b5b85e26246
octave-parse.yy (feval): Update docstring to refer to function handles.
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents:
12918
diff
changeset
|
3997 @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
|
3998 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
|
3999 @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
|
4000 @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
|
4001 @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
|
4002 @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
|
4003 @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
|
4004 \n\ |
8b5b85e26246
octave-parse.yy (feval): Update docstring to refer to function handles.
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents:
12918
diff
changeset
|
4005 @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
|
4006 are equivalent ways to call the function referred to by @var{f}. If it\n\ |
16789
2f63d2f3ff11
doc: Update docstrings in oct-parse.in.yy.
Rik <rik@octave.org>
parents:
16681
diff
changeset
|
4007 cannot be predicted beforehand whether @var{f} is a function handle,\n\ |
2f63d2f3ff11
doc: Update docstrings in oct-parse.in.yy.
Rik <rik@octave.org>
parents:
16681
diff
changeset
|
4008 function name in a string, or inline function then @code{feval} can be used\n\ |
2f63d2f3ff11
doc: Update docstrings in oct-parse.in.yy.
Rik <rik@octave.org>
parents:
16681
diff
changeset
|
4009 instead.\n\ |
3371 | 4010 @end deftypefn") |
3021 | 4011 { |
4012 octave_value_list retval; | |
4013 | |
4014 int nargin = args.length (); | |
4015 | |
4016 if (nargin > 0) | |
4017 retval = feval (args, nargout); | |
4018 else | |
5823 | 4019 print_usage (); |
3021 | 4020 |
4021 return retval; | |
4022 } | |
4023 | |
11225
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4024 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
|
4025 "-*- texinfo -*-\n\ |
16789
2f63d2f3ff11
doc: Update docstrings in oct-parse.in.yy.
Rik <rik@octave.org>
parents:
16681
diff
changeset
|
4026 @deftypefn {Loadable Function} {[@dots{}] =} builtin (@var{f}, @dots{})\n\ |
11225
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4027 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
|
4028 another function for the given type signature.\n\ |
16789
2f63d2f3ff11
doc: Update docstrings in oct-parse.in.yy.
Rik <rik@octave.org>
parents:
16681
diff
changeset
|
4029 \n\ |
2f63d2f3ff11
doc: Update docstrings in oct-parse.in.yy.
Rik <rik@octave.org>
parents:
16681
diff
changeset
|
4030 This is normally useful when doing object-oriented programming and there\n\ |
2f63d2f3ff11
doc: Update docstrings in oct-parse.in.yy.
Rik <rik@octave.org>
parents:
16681
diff
changeset
|
4031 is a requirement to call one of Octave's base functions rather than\n\ |
2f63d2f3ff11
doc: Update docstrings in oct-parse.in.yy.
Rik <rik@octave.org>
parents:
16681
diff
changeset
|
4032 the overloaded one of a new class.\n\ |
2f63d2f3ff11
doc: Update docstrings in oct-parse.in.yy.
Rik <rik@octave.org>
parents:
16681
diff
changeset
|
4033 \n\ |
2f63d2f3ff11
doc: Update docstrings in oct-parse.in.yy.
Rik <rik@octave.org>
parents:
16681
diff
changeset
|
4034 A trivial example which redefines the @code{sin} function to be the\n\ |
2f63d2f3ff11
doc: Update docstrings in oct-parse.in.yy.
Rik <rik@octave.org>
parents:
16681
diff
changeset
|
4035 @code{cos} function shows how @code{builtin} works.\n\ |
2f63d2f3ff11
doc: Update docstrings in oct-parse.in.yy.
Rik <rik@octave.org>
parents:
16681
diff
changeset
|
4036 \n\ |
2f63d2f3ff11
doc: Update docstrings in oct-parse.in.yy.
Rik <rik@octave.org>
parents:
16681
diff
changeset
|
4037 @example\n\ |
2f63d2f3ff11
doc: Update docstrings in oct-parse.in.yy.
Rik <rik@octave.org>
parents:
16681
diff
changeset
|
4038 @group\n\ |
2f63d2f3ff11
doc: Update docstrings in oct-parse.in.yy.
Rik <rik@octave.org>
parents:
16681
diff
changeset
|
4039 sin (0)\n\ |
2f63d2f3ff11
doc: Update docstrings in oct-parse.in.yy.
Rik <rik@octave.org>
parents:
16681
diff
changeset
|
4040 @result{} 0\n\ |
2f63d2f3ff11
doc: Update docstrings in oct-parse.in.yy.
Rik <rik@octave.org>
parents:
16681
diff
changeset
|
4041 function y = sin (x), y = cos (x); endfunction\n\ |
2f63d2f3ff11
doc: Update docstrings in oct-parse.in.yy.
Rik <rik@octave.org>
parents:
16681
diff
changeset
|
4042 sin (0)\n\ |
2f63d2f3ff11
doc: Update docstrings in oct-parse.in.yy.
Rik <rik@octave.org>
parents:
16681
diff
changeset
|
4043 @result{} 1\n\ |
2f63d2f3ff11
doc: Update docstrings in oct-parse.in.yy.
Rik <rik@octave.org>
parents:
16681
diff
changeset
|
4044 builtin (\"sin\", 0)\n\ |
2f63d2f3ff11
doc: Update docstrings in oct-parse.in.yy.
Rik <rik@octave.org>
parents:
16681
diff
changeset
|
4045 @result{} 0\n\ |
2f63d2f3ff11
doc: Update docstrings in oct-parse.in.yy.
Rik <rik@octave.org>
parents:
16681
diff
changeset
|
4046 @end group\n\ |
2f63d2f3ff11
doc: Update docstrings in oct-parse.in.yy.
Rik <rik@octave.org>
parents:
16681
diff
changeset
|
4047 @end example\n\ |
11225
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4048 @end deftypefn") |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4049 { |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
4050 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
|
4051 |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4052 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
|
4053 |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4054 if (nargin > 0) |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4055 { |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4056 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
|
4057 |
11225
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4058 if (! error_state) |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4059 { |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4060 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
|
4061 |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4062 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
|
4063 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
|
4064 nargout); |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4065 else |
15466
d174210ce1ec
use ' instead of ` in error messages, warnings and most comments
John W. Eaton <jwe@octave.org>
parents:
14189
diff
changeset
|
4066 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
|
4067 } |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4068 else |
12483
7a5aacf65f81
Rewrite error strings in src/ to use variables named in documentation.
Rik <octave@nomad.inbox5.com>
parents:
12400
diff
changeset
|
4069 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
|
4070 } |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4071 else |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4072 print_usage (); |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4073 |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4074 return retval; |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4075 } |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4076 |
3099 | 4077 octave_value_list |
16195
b52d2f9294b6
use class for reading lexer input
John W. Eaton <jwe@octave.org>
parents:
16187
diff
changeset
|
4078 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
|
4079 int& parse_status, int nargout) |
3021 | 4080 { |
3877 | 4081 octave_value_list retval; |
4082 | |
10067
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
4083 unwind_protect frame; |
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
4084 |
16287
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
4085 // 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
|
4086 frame.protect_var (LEXER); |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
4087 |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
4088 octave_parser parser (eval_str); |
16195
b52d2f9294b6
use class for reading lexer input
John W. Eaton <jwe@octave.org>
parents:
16187
diff
changeset
|
4089 |
3877 | 4090 do |
4091 { | |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
4092 parser.reset (); |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
4093 |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
4094 parse_status = parser.run (); |
3877 | 4095 |
9260
9c2349a51218
properly unmark forced variables
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
4096 // Unmark forced variables. |
16177
a7669b4d27f6
eliminate global global_command variable
John W. Eaton <jwe@octave.org>
parents:
16174
diff
changeset
|
4097 frame.run (1); |
7903
8018e10d2b87
save and restore global_command as needed
John W. Eaton <jwe@octave.org>
parents:
7901
diff
changeset
|
4098 |
3883 | 4099 if (parse_status == 0) |
3877 | 4100 { |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
4101 if (parser.stmt_list) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4102 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4103 tree_statement *stmt = 0; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4104 |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
4105 if (parser.stmt_list->length () == 1 |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
4106 && (stmt = parser.stmt_list->front ()) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4107 && stmt->is_expression ()) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4108 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4109 tree_expression *expr = stmt->expression (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4110 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4111 if (silent) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4112 expr->set_print_flag (false); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
4113 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
4114 bool do_bind_ans = false; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4115 |
57a59eae83cc
untabify src C++ source files
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parents:
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diff
changeset
|
4116 if (expr->is_identifier ()) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4117 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
4118 tree_identifier *id |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4119 = dynamic_cast<tree_identifier *> (expr); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4120 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4121 do_bind_ans = (! id->is_variable ()); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4122 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4123 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
4124 do_bind_ans = (! expr->is_assignment_expression ()); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4125 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4126 retval = expr->rvalue (nargout); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
4127 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10250
diff
changeset
|
4128 if (do_bind_ans && ! (error_state || retval.empty ())) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4129 bind_ans (retval(0), expr->print_result ()); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4130 |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
4131 if (nargout == 0) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
4132 retval = octave_value_list (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4133 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4134 else if (nargout == 0) |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
4135 parser.stmt_list->accept (*current_evaluator); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
4136 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4137 error ("eval: invalid use of statement list"); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4138 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
4139 if (error_state |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
4140 || tree_return_command::returning |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
4141 || tree_break_command::breaking |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
4142 || tree_continue_command::continuing) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4143 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4144 } |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
4145 else if (parser.lexer.end_of_input) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
4146 break; |
3883 | 4147 } |
3877 | 4148 } |
4149 while (parse_status == 0); | |
3021 | 4150 |
4151 return retval; | |
4152 } | |
4153 | |
4154 octave_value | |
16195
b52d2f9294b6
use class for reading lexer input
John W. Eaton <jwe@octave.org>
parents:
16187
diff
changeset
|
4155 eval_string (const std::string& eval_str, bool silent, int& parse_status) |
3021 | 4156 { |
4157 octave_value retval; | |
4158 | |
16195
b52d2f9294b6
use class for reading lexer input
John W. Eaton <jwe@octave.org>
parents:
16187
diff
changeset
|
4159 octave_value_list tmp = eval_string (eval_str, silent, parse_status, 1); |
3021 | 4160 |
4161 if (! tmp.empty ()) | |
4162 retval = tmp(0); | |
4163 | |
4164 return retval; | |
4165 } | |
4166 | |
4167 static octave_value_list | |
4168 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:
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diff
changeset
|
4169 int nargout) |
3021 | 4170 { |
3523 | 4171 std::string s = arg.string_value (); |
3021 | 4172 |
4173 if (error_state) | |
4174 { | |
3523 | 4175 error ("eval: expecting std::string argument"); |
4233 | 4176 return octave_value (-1); |
3021 | 4177 } |
4178 | |
4179 return eval_string (s, silent, parse_status, nargout); | |
4180 } | |
4181 | |
13970 | 4182 void |
4183 cleanup_statement_list (tree_statement_list **lst) | |
4184 { | |
4185 if (*lst) | |
4186 { | |
4187 delete *lst; | |
4188 *lst = 0; | |
4189 } | |
4190 } | |
4191 | |
3021 | 4192 DEFUN (eval, args, nargout, |
3371 | 4193 "-*- texinfo -*-\n\ |
14172
cba1c681f1b7
doc: Update seealso references for eval family of functions.
Rik <octave@nomad.inbox5.com>
parents:
14153
diff
changeset
|
4194 @deftypefn {Built-in Function} {} eval (@var{try})\n\ |
cba1c681f1b7
doc: Update seealso references for eval family of functions.
Rik <octave@nomad.inbox5.com>
parents:
14153
diff
changeset
|
4195 @deftypefnx {Built-in Function} {} eval (@var{try}, @var{catch})\n\ |
3371 | 4196 Parse the string @var{try} and evaluate it as if it were an Octave\n\ |
6643 | 4197 program. If that fails, evaluate the optional string @var{catch}.\n\ |
4463 | 4198 The string @var{try} is evaluated in the current context,\n\ |
4199 so any results remain available after @code{eval} returns.\n\ | |
6643 | 4200 \n\ |
16789
2f63d2f3ff11
doc: Update docstrings in oct-parse.in.yy.
Rik <rik@octave.org>
parents:
16681
diff
changeset
|
4201 The following example makes the variable @var{A} with the approximate\n\ |
6643 | 4202 value 3.1416 available.\n\ |
4203 \n\ | |
4204 @example\n\ | |
16789
2f63d2f3ff11
doc: Update docstrings in oct-parse.in.yy.
Rik <rik@octave.org>
parents:
16681
diff
changeset
|
4205 eval (\"A = acos(-1);\");\n\ |
6643 | 4206 @end example\n\ |
4207 \n\ | |
4208 If an error occurs during the evaluation of @var{try} the @var{catch}\n\ | |
8828 | 4209 string is evaluated, as the following example shows:\n\ |
6643 | 4210 \n\ |
4211 @example\n\ | |
11572
7d6d8c1e471f
Grammarcheck Texinfo for files in src directory.
Rik <octave@nomad.inbox5.com>
parents:
11523
diff
changeset
|
4212 @group\n\ |
6643 | 4213 eval ('error (\"This is a bad example\");',\n\ |
8015
30629059b72d
Update the manual to reflect the changes in error output
sh@sh-laptop
parents:
8007
diff
changeset
|
4214 'printf (\"This error occurred:\\n%s\\n\", lasterr ());');\n\ |
7001 | 4215 @print{} This error occurred:\n\ |
8015
30629059b72d
Update the manual to reflect the changes in error output
sh@sh-laptop
parents:
8007
diff
changeset
|
4216 This is a bad example\n\ |
11572
7d6d8c1e471f
Grammarcheck Texinfo for files in src directory.
Rik <octave@nomad.inbox5.com>
parents:
11523
diff
changeset
|
4217 @end group\n\ |
6643 | 4218 @end example\n\ |
14172
cba1c681f1b7
doc: Update seealso references for eval family of functions.
Rik <octave@nomad.inbox5.com>
parents:
14153
diff
changeset
|
4219 \n\ |
cba1c681f1b7
doc: Update seealso references for eval family of functions.
Rik <octave@nomad.inbox5.com>
parents:
14153
diff
changeset
|
4220 Consider using try/catch blocks instead if you are only using @code{eval}\n\ |
cba1c681f1b7
doc: Update seealso references for eval family of functions.
Rik <octave@nomad.inbox5.com>
parents:
14153
diff
changeset
|
4221 as an error-capturing mechanism rather than for the execution of arbitrary\n\ |
cba1c681f1b7
doc: Update seealso references for eval family of functions.
Rik <octave@nomad.inbox5.com>
parents:
14153
diff
changeset
|
4222 code strings.\n\ |
cba1c681f1b7
doc: Update seealso references for eval family of functions.
Rik <octave@nomad.inbox5.com>
parents:
14153
diff
changeset
|
4223 @seealso{evalin}\n\ |
3371 | 4224 @end deftypefn") |
3021 | 4225 { |
4226 octave_value_list retval; | |
4227 | |
4228 int nargin = args.length (); | |
4229 | |
4230 if (nargin > 0) | |
4231 { | |
10067
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
4232 unwind_protect frame; |
3021 | 4233 |
4234 if (nargin > 1) | |
10315
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>
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10250
diff
changeset
|
4236 frame.protect_var (buffer_error_messages); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4237 buffer_error_messages++; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4238 } |
3021 | 4239 |
4240 int parse_status = 0; | |
4241 | |
4463 | 4242 octave_value_list tmp = eval_string (args(0), nargout > 0, |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4243 parse_status, nargout); |
4463 | 4244 |
3021 | 4245 if (nargin > 1 && (parse_status != 0 || error_state)) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4246 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4247 error_state = 0; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4248 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4249 // Set up for letting the user print any messages from |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4250 // errors that occurred in the first part of this eval(). |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4251 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4252 buffer_error_messages--; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4253 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4254 tmp = eval_string (args(1), nargout > 0, parse_status, nargout); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4255 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4256 if (nargout > 0) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4257 retval = tmp; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4258 } |
8033
2ad5ba320b93
parse.y (Feval): Return value produced by evaluating CATCH string
John W. Eaton <jwe@octave.org>
parents:
8021
diff
changeset
|
4259 else if (nargout > 0) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4260 retval = tmp; |
3021 | 4261 } |
4262 else | |
5823 | 4263 print_usage (); |
3021 | 4264 |
4265 return retval; | |
4266 } | |
4267 | |
7562
c827f5673321
move tests to individual source files
John W. Eaton <jwe@octave.org>
parents:
7351
diff
changeset
|
4268 /* |
c827f5673321
move tests to individual source files
John W. Eaton <jwe@octave.org>
parents:
7351
diff
changeset
|
4269 |
14084
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
13970
diff
changeset
|
4270 %!shared x |
7562
c827f5673321
move tests to individual source files
John W. Eaton <jwe@octave.org>
parents:
7351
diff
changeset
|
4271 %! x = 1; |
14084
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
13970
diff
changeset
|
4272 |
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
13970
diff
changeset
|
4273 %!assert (eval ("x"), 1) |
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
13970
diff
changeset
|
4274 %!assert (eval ("x;")) |
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
13970
diff
changeset
|
4275 %!assert (eval ("x;"), 1); |
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
13970
diff
changeset
|
4276 |
7562
c827f5673321
move tests to individual source files
John W. Eaton <jwe@octave.org>
parents:
7351
diff
changeset
|
4277 %!test |
14084
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
13970
diff
changeset
|
4278 %! y = eval ("x"); |
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
13970
diff
changeset
|
4279 %! assert (y, 1); |
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
13970
diff
changeset
|
4280 |
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
13970
diff
changeset
|
4281 %!test |
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
13970
diff
changeset
|
4282 %! y = eval ("x;"); |
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
13970
diff
changeset
|
4283 %! assert (y, 1); |
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
13970
diff
changeset
|
4284 |
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
13970
diff
changeset
|
4285 %!test |
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
13970
diff
changeset
|
4286 %! eval ("x = 1;") |
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
13970
diff
changeset
|
4287 %! assert (x,1); |
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
13970
diff
changeset
|
4288 |
7562
c827f5673321
move tests to individual source files
John W. Eaton <jwe@octave.org>
parents:
7351
diff
changeset
|
4289 %!test |
c827f5673321
move tests to individual source files
John W. Eaton <jwe@octave.org>
parents:
7351
diff
changeset
|
4290 %! eval ("flipud = 2;"); |
14084
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
13970
diff
changeset
|
4291 %! assert (flipud, 2); |
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
13970
diff
changeset
|
4292 |
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
13970
diff
changeset
|
4293 %!function y = __f () |
7562
c827f5673321
move tests to individual source files
John W. Eaton <jwe@octave.org>
parents:
7351
diff
changeset
|
4294 %! eval ("flipud = 2;"); |
c827f5673321
move tests to individual source files
John W. Eaton <jwe@octave.org>
parents:
7351
diff
changeset
|
4295 %! y = flipud; |
14084
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
13970
diff
changeset
|
4296 %!endfunction |
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
13970
diff
changeset
|
4297 %!assert (__f(), 2) |
7562
c827f5673321
move tests to individual source files
John W. Eaton <jwe@octave.org>
parents:
7351
diff
changeset
|
4298 |
14533
e6aa044253eb
Allow comma at the end of an assignment list (bug #35645)
Max Brister <max@2bass.com>
parents:
14512
diff
changeset
|
4299 % bug #35645 |
e6aa044253eb
Allow comma at the end of an assignment list (bug #35645)
Max Brister <max@2bass.com>
parents:
14512
diff
changeset
|
4300 %!test |
e6aa044253eb
Allow comma at the end of an assignment list (bug #35645)
Max Brister <max@2bass.com>
parents:
14512
diff
changeset
|
4301 %! [a,] = gcd (1,2); |
e6aa044253eb
Allow comma at the end of an assignment list (bug #35645)
Max Brister <max@2bass.com>
parents:
14512
diff
changeset
|
4302 %! [a,b,] = gcd (1, 2); |
e6aa044253eb
Allow comma at the end of an assignment list (bug #35645)
Max Brister <max@2bass.com>
parents:
14512
diff
changeset
|
4303 |
7562
c827f5673321
move tests to individual source files
John W. Eaton <jwe@octave.org>
parents:
7351
diff
changeset
|
4304 */ |
c827f5673321
move tests to individual source files
John W. Eaton <jwe@octave.org>
parents:
7351
diff
changeset
|
4305 |
4661 | 4306 DEFUN (assignin, args, , |
4297 | 4307 "-*- texinfo -*-\n\ |
4308 @deftypefn {Built-in Function} {} assignin (@var{context}, @var{varname}, @var{value})\n\ | |
4309 Assign @var{value} to @var{varname} in context @var{context}, which\n\ | |
17281
bc924baa2c4e
doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
parents:
17249
diff
changeset
|
4310 may be either @qcode{\"base\"} or @qcode{\"caller\"}.\n\ |
14172
cba1c681f1b7
doc: Update seealso references for eval family of functions.
Rik <octave@nomad.inbox5.com>
parents:
14153
diff
changeset
|
4311 @seealso{evalin}\n\ |
4297 | 4312 @end deftypefn") |
4313 { | |
4314 octave_value_list retval; | |
4315 | |
4316 int nargin = args.length (); | |
4317 | |
4318 if (nargin == 3) | |
4319 { | |
4320 std::string context = args(0).string_value (); | |
4321 | |
4322 if (! error_state) | |
4323 { | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4324 unwind_protect frame; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4325 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4326 if (context == "caller") |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4327 octave_call_stack::goto_caller_frame (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4328 else if (context == "base") |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4329 octave_call_stack::goto_base_frame (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4330 else |
12483
7a5aacf65f81
Rewrite error strings in src/ to use variables named in documentation.
Rik <octave@nomad.inbox5.com>
parents:
12400
diff
changeset
|
4331 error ("assignin: CONTEXT must be \"caller\" or \"base\""); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4332 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4333 if (! error_state) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4334 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4335 frame.add_fcn (octave_call_stack::pop); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4336 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4337 std::string nm = args(1).string_value (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4338 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4339 if (! error_state) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4340 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4341 if (valid_identifier (nm)) |
16442
302157614308
deprecate symbol_table::varref functions
John W. Eaton <jwe@octave.org>
parents:
16360
diff
changeset
|
4342 symbol_table::assign (nm, args(2)); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4343 else |
12483
7a5aacf65f81
Rewrite error strings in src/ to use variables named in documentation.
Rik <octave@nomad.inbox5.com>
parents:
12400
diff
changeset
|
4344 error ("assignin: invalid variable name in argument VARNAME"); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4345 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4346 else |
12483
7a5aacf65f81
Rewrite error strings in src/ to use variables named in documentation.
Rik <octave@nomad.inbox5.com>
parents:
12400
diff
changeset
|
4347 error ("assignin: VARNAME must be a string"); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4348 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4349 } |
4297 | 4350 else |
12483
7a5aacf65f81
Rewrite error strings in src/ to use variables named in documentation.
Rik <octave@nomad.inbox5.com>
parents:
12400
diff
changeset
|
4351 error ("assignin: CONTEXT must be a string"); |
4297 | 4352 } |
4353 else | |
5823 | 4354 print_usage (); |
4297 | 4355 |
4356 return retval; | |
4357 } | |
4358 | |
4245 | 4359 DEFUN (evalin, args, nargout, |
4360 "-*- texinfo -*-\n\ | |
14172
cba1c681f1b7
doc: Update seealso references for eval family of functions.
Rik <octave@nomad.inbox5.com>
parents:
14153
diff
changeset
|
4361 @deftypefn {Built-in Function} {} evalin (@var{context}, @var{try})\n\ |
cba1c681f1b7
doc: Update seealso references for eval family of functions.
Rik <octave@nomad.inbox5.com>
parents:
14153
diff
changeset
|
4362 @deftypefnx {Built-in Function} {} evalin (@var{context}, @var{try}, @var{catch})\n\ |
4245 | 4363 Like @code{eval}, except that the expressions are evaluated in the\n\ |
17281
bc924baa2c4e
doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
parents:
17249
diff
changeset
|
4364 context @var{context}, which may be either @qcode{\"caller\"} or\n\ |
bc924baa2c4e
doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
parents:
17249
diff
changeset
|
4365 @qcode{\"base\"}.\n\ |
14172
cba1c681f1b7
doc: Update seealso references for eval family of functions.
Rik <octave@nomad.inbox5.com>
parents:
14153
diff
changeset
|
4366 @seealso{eval, assignin}\n\ |
4245 | 4367 @end deftypefn") |
4368 { | |
4369 octave_value_list retval; | |
4370 | |
4371 int nargin = args.length (); | |
4372 | |
4373 if (nargin > 1) | |
4374 { | |
4375 std::string context = args(0).string_value (); | |
4376 | |
4377 if (! error_state) | |
4378 { | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4379 unwind_protect frame; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4380 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4381 if (context == "caller") |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4382 octave_call_stack::goto_caller_frame (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4383 else if (context == "base") |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4384 octave_call_stack::goto_base_frame (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4385 else |
12483
7a5aacf65f81
Rewrite error strings in src/ to use variables named in documentation.
Rik <octave@nomad.inbox5.com>
parents:
12400
diff
changeset
|
4386 error ("evalin: CONTEXT must be \"caller\" or \"base\""); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4387 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4388 if (! error_state) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4389 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4390 frame.add_fcn (octave_call_stack::pop); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4391 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4392 if (nargin > 2) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4393 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4394 frame.protect_var (buffer_error_messages); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4395 buffer_error_messages++; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4396 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4397 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4398 int parse_status = 0; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4399 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4400 octave_value_list tmp = eval_string (args(1), nargout > 0, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4401 parse_status, nargout); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4402 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4403 if (nargout > 0) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4404 retval = tmp; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4405 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4406 if (nargin > 2 && (parse_status != 0 || error_state)) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4407 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4408 error_state = 0; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4409 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4410 // Set up for letting the user print any messages from |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4411 // errors that occurred in the first part of this eval(). |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4412 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4413 buffer_error_messages--; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4414 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4415 tmp = eval_string (args(2), nargout > 0, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4416 parse_status, nargout); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4417 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4418 retval = (nargout > 0) ? tmp : octave_value_list (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4419 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4420 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4421 } |
4245 | 4422 else |
12483
7a5aacf65f81
Rewrite error strings in src/ to use variables named in documentation.
Rik <octave@nomad.inbox5.com>
parents:
12400
diff
changeset
|
4423 error ("evalin: CONTEXT must be a string"); |
4245 | 4424 } |
4425 else | |
5823 | 4426 print_usage (); |
4245 | 4427 |
4428 return retval; | |
4429 } | |
4430 | |
8311
7124bffc89c7
parse.y (F__parser_debug_flag__): New function.
John W. Eaton <jwe@octave.org>
parents:
8283
diff
changeset
|
4431 DEFUN (__parser_debug_flag__, args, nargout, |
8812
7d48766c21a5
use consistent format for doc strings of internal functions
John W. Eaton <jwe@octave.org>
parents:
8746
diff
changeset
|
4432 "-*- texinfo -*-\n\ |
7d48766c21a5
use consistent format for doc strings of internal functions
John W. Eaton <jwe@octave.org>
parents:
8746
diff
changeset
|
4433 @deftypefn {Built-in Function} {@var{old_val} =} __parser_debug_flag__ (@var{new_val}))\n\ |
7d48766c21a5
use consistent format for doc strings of internal functions
John W. Eaton <jwe@octave.org>
parents:
8746
diff
changeset
|
4434 Undocumented internal function.\n\ |
7d48766c21a5
use consistent format for doc strings of internal functions
John W. Eaton <jwe@octave.org>
parents:
8746
diff
changeset
|
4435 @end deftypefn") |
8311
7124bffc89c7
parse.y (F__parser_debug_flag__): New function.
John W. Eaton <jwe@octave.org>
parents:
8283
diff
changeset
|
4436 { |
7124bffc89c7
parse.y (F__parser_debug_flag__): New function.
John W. Eaton <jwe@octave.org>
parents:
8283
diff
changeset
|
4437 octave_value retval; |
7124bffc89c7
parse.y (F__parser_debug_flag__): New function.
John W. Eaton <jwe@octave.org>
parents:
8283
diff
changeset
|
4438 |
7124bffc89c7
parse.y (F__parser_debug_flag__): New function.
John W. Eaton <jwe@octave.org>
parents:
8283
diff
changeset
|
4439 bool debug_flag = octave_debug; |
7124bffc89c7
parse.y (F__parser_debug_flag__): New function.
John W. Eaton <jwe@octave.org>
parents:
8283
diff
changeset
|
4440 |
7124bffc89c7
parse.y (F__parser_debug_flag__): New function.
John W. Eaton <jwe@octave.org>
parents:
8283
diff
changeset
|
4441 retval = set_internal_variable (debug_flag, args, nargout, |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4442 "__parser_debug_flag__"); |
8311
7124bffc89c7
parse.y (F__parser_debug_flag__): New function.
John W. Eaton <jwe@octave.org>
parents:
8283
diff
changeset
|
4443 |
7124bffc89c7
parse.y (F__parser_debug_flag__): New function.
John W. Eaton <jwe@octave.org>
parents:
8283
diff
changeset
|
4444 octave_debug = debug_flag; |
7124bffc89c7
parse.y (F__parser_debug_flag__): New function.
John W. Eaton <jwe@octave.org>
parents:
8283
diff
changeset
|
4445 |
7124bffc89c7
parse.y (F__parser_debug_flag__): New function.
John W. Eaton <jwe@octave.org>
parents:
8283
diff
changeset
|
4446 return retval; |
7124bffc89c7
parse.y (F__parser_debug_flag__): New function.
John W. Eaton <jwe@octave.org>
parents:
8283
diff
changeset
|
4447 } |
17342
091e4df179de
new function to help with debugging by parsing .m files without executing them
John W. Eaton <jwe@octave.org>
parents:
17326
diff
changeset
|
4448 |
17377
15e2ad6372f7
maint: Tweaks to remove compiler warnings.
Rik <rik@octave.org>
parents:
17342
diff
changeset
|
4449 DEFUN (__parse_file__, args, , |
17342
091e4df179de
new function to help with debugging by parsing .m files without executing them
John W. Eaton <jwe@octave.org>
parents:
17326
diff
changeset
|
4450 "-*- texinfo -*-\n\ |
091e4df179de
new function to help with debugging by parsing .m files without executing them
John W. Eaton <jwe@octave.org>
parents:
17326
diff
changeset
|
4451 @deftypefn {Built-in Function} {} __parse_file__ (@var{file}, @var{verbose})\n\ |
091e4df179de
new function to help with debugging by parsing .m files without executing them
John W. Eaton <jwe@octave.org>
parents:
17326
diff
changeset
|
4452 Undocumented internal function.\n\ |
091e4df179de
new function to help with debugging by parsing .m files without executing them
John W. Eaton <jwe@octave.org>
parents:
17326
diff
changeset
|
4453 @end deftypefn") |
091e4df179de
new function to help with debugging by parsing .m files without executing them
John W. Eaton <jwe@octave.org>
parents:
17326
diff
changeset
|
4454 { |
091e4df179de
new function to help with debugging by parsing .m files without executing them
John W. Eaton <jwe@octave.org>
parents:
17326
diff
changeset
|
4455 octave_value retval; |
091e4df179de
new function to help with debugging by parsing .m files without executing them
John W. Eaton <jwe@octave.org>
parents:
17326
diff
changeset
|
4456 |
091e4df179de
new function to help with debugging by parsing .m files without executing them
John W. Eaton <jwe@octave.org>
parents:
17326
diff
changeset
|
4457 int nargin = args.length (); |
091e4df179de
new function to help with debugging by parsing .m files without executing them
John W. Eaton <jwe@octave.org>
parents:
17326
diff
changeset
|
4458 |
091e4df179de
new function to help with debugging by parsing .m files without executing them
John W. Eaton <jwe@octave.org>
parents:
17326
diff
changeset
|
4459 if (nargin == 1 || nargin == 2) |
091e4df179de
new function to help with debugging by parsing .m files without executing them
John W. Eaton <jwe@octave.org>
parents:
17326
diff
changeset
|
4460 { |
091e4df179de
new function to help with debugging by parsing .m files without executing them
John W. Eaton <jwe@octave.org>
parents:
17326
diff
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|
4461 std::string file = args(0).string_value (); |
091e4df179de
new function to help with debugging by parsing .m files without executing them
John W. Eaton <jwe@octave.org>
parents:
17326
diff
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|
4462 |
091e4df179de
new function to help with debugging by parsing .m files without executing them
John W. Eaton <jwe@octave.org>
parents:
17326
diff
changeset
|
4463 std::string full_file = octave_env::make_absolute (file); |
091e4df179de
new function to help with debugging by parsing .m files without executing them
John W. Eaton <jwe@octave.org>
parents:
17326
diff
changeset
|
4464 |
091e4df179de
new function to help with debugging by parsing .m files without executing them
John W. Eaton <jwe@octave.org>
parents:
17326
diff
changeset
|
4465 size_t file_len = file.length (); |
091e4df179de
new function to help with debugging by parsing .m files without executing them
John W. Eaton <jwe@octave.org>
parents:
17326
diff
changeset
|
4466 |
091e4df179de
new function to help with debugging by parsing .m files without executing them
John W. Eaton <jwe@octave.org>
parents:
17326
diff
changeset
|
4467 if ((file_len > 4 && file.substr (file_len-4) == ".oct") |
091e4df179de
new function to help with debugging by parsing .m files without executing them
John W. Eaton <jwe@octave.org>
parents:
17326
diff
changeset
|
4468 || (file_len > 4 && file.substr (file_len-4) == ".mex") |
091e4df179de
new function to help with debugging by parsing .m files without executing them
John W. Eaton <jwe@octave.org>
parents:
17326
diff
changeset
|
4469 || (file_len > 2 && file.substr (file_len-2) == ".m")) |
091e4df179de
new function to help with debugging by parsing .m files without executing them
John W. Eaton <jwe@octave.org>
parents:
17326
diff
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|
4470 { |
091e4df179de
new function to help with debugging by parsing .m files without executing them
John W. Eaton <jwe@octave.org>
parents:
17326
diff
changeset
|
4471 file = octave_env::base_pathname (file); |
091e4df179de
new function to help with debugging by parsing .m files without executing them
John W. Eaton <jwe@octave.org>
parents:
17326
diff
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|
4472 file = file.substr (0, file.find_last_of ('.')); |
091e4df179de
new function to help with debugging by parsing .m files without executing them
John W. Eaton <jwe@octave.org>
parents:
17326
diff
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|
4473 |
091e4df179de
new function to help with debugging by parsing .m files without executing them
John W. Eaton <jwe@octave.org>
parents:
17326
diff
changeset
|
4474 size_t pos = file.find_last_of (file_ops::dir_sep_str ()); |
091e4df179de
new function to help with debugging by parsing .m files without executing them
John W. Eaton <jwe@octave.org>
parents:
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diff
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|
4475 if (pos != std::string::npos) |
091e4df179de
new function to help with debugging by parsing .m files without executing them
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parents:
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diff
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|
4476 file = file.substr (pos+1); |
091e4df179de
new function to help with debugging by parsing .m files without executing them
John W. Eaton <jwe@octave.org>
parents:
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diff
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|
4477 } |
091e4df179de
new function to help with debugging by parsing .m files without executing them
John W. Eaton <jwe@octave.org>
parents:
17326
diff
changeset
|
4478 |
091e4df179de
new function to help with debugging by parsing .m files without executing them
John W. Eaton <jwe@octave.org>
parents:
17326
diff
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|
4479 if (! error_state) |
091e4df179de
new function to help with debugging by parsing .m files without executing them
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parents:
17326
diff
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|
4480 { |
091e4df179de
new function to help with debugging by parsing .m files without executing them
John W. Eaton <jwe@octave.org>
parents:
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diff
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|
4481 if (nargin == 2) |
091e4df179de
new function to help with debugging by parsing .m files without executing them
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diff
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|
4482 octave_stdout << "parsing " << full_file << std::endl; |
091e4df179de
new function to help with debugging by parsing .m files without executing them
John W. Eaton <jwe@octave.org>
parents:
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diff
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|
4483 |
091e4df179de
new function to help with debugging by parsing .m files without executing them
John W. Eaton <jwe@octave.org>
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|
4484 octave_function *fcn = parse_fcn_file (full_file, file, "", |
091e4df179de
new function to help with debugging by parsing .m files without executing them
John W. Eaton <jwe@octave.org>
parents:
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|
4485 true, false, false, |
091e4df179de
new function to help with debugging by parsing .m files without executing them
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|
4486 false, "__parse_file__"); |
091e4df179de
new function to help with debugging by parsing .m files without executing them
John W. Eaton <jwe@octave.org>
parents:
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diff
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|
4487 |
091e4df179de
new function to help with debugging by parsing .m files without executing them
John W. Eaton <jwe@octave.org>
parents:
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|
4488 if (fcn) |
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parents:
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|
4489 delete fcn; |
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new function to help with debugging by parsing .m files without executing them
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parents:
17326
diff
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|
4490 } |
091e4df179de
new function to help with debugging by parsing .m files without executing them
John W. Eaton <jwe@octave.org>
parents:
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|
4491 else |
091e4df179de
new function to help with debugging by parsing .m files without executing them
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|
4492 error ("__parse_file__: expecting file name as argument"); |
091e4df179de
new function to help with debugging by parsing .m files without executing them
John W. Eaton <jwe@octave.org>
parents:
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|
4493 } |
091e4df179de
new function to help with debugging by parsing .m files without executing them
John W. Eaton <jwe@octave.org>
parents:
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|
4494 else |
091e4df179de
new function to help with debugging by parsing .m files without executing them
John W. Eaton <jwe@octave.org>
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|
4495 print_usage (); |
091e4df179de
new function to help with debugging by parsing .m files without executing them
John W. Eaton <jwe@octave.org>
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|
4496 |
091e4df179de
new function to help with debugging by parsing .m files without executing them
John W. Eaton <jwe@octave.org>
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|
4497 return retval; |
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new function to help with debugging by parsing .m files without executing them
John W. Eaton <jwe@octave.org>
parents:
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|
4498 } |