Mercurial > octave-antonio
annotate libinterp/parse-tree/oct-parse.in.yy @ 17632:bd0a84de3375
further reduce memory leaks from parse errors (bug #40231)
* oct-parse.in.yy (colon_expr1): Delete operands on error.
(function1, jump_command): No need to check for errors.
(expression): Delete simple_expr on error.
(return_list): Delete parameter list on error.
(octave_base_parser::make_unwind_command,
octave_base_parser::make_try_command,
octave_base_parser::make_while_command,
octave_base_parser::make_for_command,
octave_base_parser::finish_if_command,
octave_base_parser::finish_switch_command,
octave_base_parser::make_index_expression):
Delete component parse tree elements on error.
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Fri, 11 Oct 2013 12:28:26 -0400 |
parents | 1e8f8900a041 |
children | bb2fa6e5b348 0c5f50706ba3 |
rev | line source |
---|---|
1829 | 1 /* |
1 | 2 |
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maint: update copyright notices for 2012
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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 power_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 |
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301 // How to clean up if there is a parse error. We handle deleting tokens |
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302 // and comments seperately and separators are just characters. The |
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303 // remaining items are dynamically allocated parse tree objects that |
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304 // must be deleted. |
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305 %destructor { } <sep_type> <tok_val> <comment_type> <dummy_type> <> |
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306 %destructor { delete $$; } <*> |
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307 |
143 | 308 // Where to start. |
1 | 309 %start input |
310 | |
311 %% | |
312 | |
2970 | 313 // ============================== |
314 // Statements and statement lists | |
315 // ============================== | |
316 | |
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317 input : simple_list '\n' |
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318 { |
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319 parser.stmt_list = $1; |
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320 YYACCEPT; |
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321 } |
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322 | simple_list END_OF_INPUT |
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323 { |
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324 lexer.end_of_input = true; |
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325 parser.stmt_list = $1; |
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326 YYACCEPT; |
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327 } |
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328 | parse_error |
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329 { ABORT_PARSE; } |
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330 ; |
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331 |
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332 simple_list : opt_sep_no_nl |
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333 { $$ = 0; } |
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334 | simple_list1 opt_sep_no_nl |
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335 { $$ = parser.set_stmt_print_flag ($1, $2, false); } |
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336 ; |
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337 |
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338 simple_list1 : statement |
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339 { $$ = parser.make_statement_list ($1); } |
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340 | simple_list1 sep_no_nl statement |
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341 { $$ = parser.append_statement_list ($1, $2, $3, false); } |
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342 ; |
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343 |
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344 opt_list : // empty |
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345 { $$ = new tree_statement_list (); } |
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346 | list |
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347 { $$ = $1; } |
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348 ; |
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349 |
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350 list : list1 opt_sep |
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351 { $$ = parser.set_stmt_print_flag ($1, $2, true); } |
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352 ; |
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353 |
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354 list1 : statement |
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355 { $$ = parser.make_statement_list ($1); } |
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356 | list1 sep statement |
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357 { $$ = parser.append_statement_list ($1, $2, $3, true); } |
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358 ; |
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359 |
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360 statement : expression |
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361 { $$ = make_statement ($1); } |
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362 | command |
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363 { $$ = make_statement ($1); } |
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364 | word_list_cmd |
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365 { $$ = make_statement ($1); } |
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366 ; |
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367 |
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368 // ================= |
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369 // Word-list command |
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370 // ================= |
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371 |
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372 // These are not really like expressions since they can't appear on |
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373 // the RHS of an assignment. But they are also not like commands (IF, |
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374 // WHILE, etc. |
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375 |
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376 word_list_cmd : identifier word_list |
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377 { |
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378 $$ = parser.make_index_expression ($1, $2, '('); |
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379 if (! $$) |
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380 { |
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381 // make_index_expression deleted $1 and $2. |
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382 ABORT_PARSE; |
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383 } |
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384 } |
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385 ; |
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386 |
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387 word_list : string |
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388 { $$ = new tree_argument_list ($1); } |
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389 | word_list string |
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390 { |
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391 $1->append ($2); |
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392 $$ = $1; |
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393 } |
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394 ; |
1 | 395 |
2970 | 396 // =========== |
397 // Expressions | |
398 // =========== | |
399 | |
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400 identifier : NAME |
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401 { |
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402 symbol_table::symbol_record *sr = $1->sym_rec (); |
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403 $$ = new tree_identifier (*sr, $1->line (), $1->column ()); |
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404 } |
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405 ; |
2970 | 406 |
9476 | 407 superclass_identifier |
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408 : SUPERCLASSREF |
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409 { $$ = new tree_identifier ($1->line (), $1->column ()); } |
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410 ; |
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411 |
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412 meta_identifier : METAQUERY |
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413 { $$ = new tree_identifier ($1->line (), $1->column ()); } |
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414 ; |
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415 |
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416 string : DQ_STRING |
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417 { $$ = parser.make_constant (DQ_STRING, $1); } |
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418 | SQ_STRING |
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419 { $$ = parser.make_constant (SQ_STRING, $1); } |
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420 ; |
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421 |
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422 constant : NUM |
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423 { $$ = parser.make_constant (NUM, $1); } |
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424 | IMAG_NUM |
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425 { $$ = parser.make_constant (IMAG_NUM, $1); } |
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426 | string |
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427 { $$ = $1; } |
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428 ; |
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429 |
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430 matrix : '[' matrix_rows ']' |
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431 { $$ = parser.finish_matrix ($2); } |
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432 ; |
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433 |
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434 matrix_rows : cell_or_matrix_row |
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435 { $$ = $1 ? new tree_matrix ($1) : 0; } |
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436 | matrix_rows ';' cell_or_matrix_row |
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437 { |
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438 if ($1) |
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439 { |
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440 if ($3) |
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441 $1->append ($3); |
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442 |
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443 $$ = $1; |
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444 } |
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445 else |
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446 $$ = $3 ? new tree_matrix ($3) : 0; |
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447 } |
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448 ; |
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449 |
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450 cell : '{' cell_rows '}' |
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451 { $$ = parser.finish_cell ($2); } |
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452 ; |
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453 |
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454 cell_rows : cell_or_matrix_row |
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455 { $$ = $1 ? new tree_cell ($1) : 0; } |
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456 | cell_rows ';' cell_or_matrix_row |
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457 { |
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458 if ($1) |
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459 { |
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460 if ($3) |
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461 $1->append ($3); |
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462 |
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463 $$ = $1; |
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464 } |
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465 else |
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466 $$ = $3 ? new tree_cell ($3) : 0; |
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467 } |
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468 ; |
3351 | 469 |
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470 // tree_argument_list objects can't be empty or have leading or trailing |
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471 // commas, but those are all allowed in matrix and cell array rows. |
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472 |
3351 | 473 cell_or_matrix_row |
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474 : // empty |
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475 { $$ = 0; } |
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476 | ',' |
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477 { $$ = 0; } |
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478 | arg_list |
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479 { $$ = $1; } |
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480 | arg_list ',' |
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481 { $$ = $1; } |
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482 | ',' arg_list |
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483 { $$ = $2; } |
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484 | ',' arg_list ',' |
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485 { $$ = $2; } |
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486 ; |
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487 |
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488 fcn_handle : '@' FCN_HANDLE |
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489 { |
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490 $$ = parser.make_fcn_handle ($2); |
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491 lexer.looking_at_function_handle--; |
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492 } |
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493 ; |
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494 |
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495 anon_fcn_handle : '@' param_list stmt_begin statement |
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496 { |
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497 $$ = parser.make_anon_fcn_handle ($2, $4); |
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498 lexer.nesting_level.remove (); |
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499 } |
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500 ; |
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501 |
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502 primary_expr : identifier |
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503 { $$ = $1; } |
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504 | constant |
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505 { $$ = $1; } |
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506 | fcn_handle |
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507 { $$ = $1; } |
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508 | matrix |
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509 { |
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510 lexer.looking_at_matrix_or_assign_lhs = false; |
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511 $$ = $1; |
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512 } |
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513 | cell |
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514 { $$ = $1; } |
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515 | meta_identifier |
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516 { $$ = $1; } |
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517 | superclass_identifier |
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518 { $$ = $1; } |
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519 | '(' expression ')' |
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520 { $$ = $2->mark_in_parens (); } |
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521 ; |
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522 |
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523 magic_colon : ':' |
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524 { |
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525 octave_value tmp (octave_value::magic_colon_t); |
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526 $$ = new tree_constant (tmp); |
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527 } |
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528 ; |
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529 |
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530 magic_tilde : EXPR_NOT |
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531 { |
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532 $$ = new tree_black_hole (); |
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533 } |
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534 ; |
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535 |
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536 arg_list : expression |
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537 { $$ = new tree_argument_list ($1); } |
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538 | magic_colon |
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539 { $$ = new tree_argument_list ($1); } |
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540 | magic_tilde |
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541 { $$ = new tree_argument_list ($1); } |
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542 | arg_list ',' magic_colon |
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543 { |
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544 $1->append ($3); |
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545 $$ = $1; |
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546 } |
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547 | arg_list ',' magic_tilde |
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548 { |
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549 $1->append ($3); |
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550 $$ = $1; |
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551 } |
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552 | arg_list ',' expression |
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553 { |
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554 $1->append ($3); |
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555 $$ = $1; |
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556 } |
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557 ; |
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558 |
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559 indirect_ref_op : '.' |
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560 { lexer.looking_at_indirect_ref = true; } |
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561 ; |
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562 |
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563 oper_expr : primary_expr |
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564 { $$ = $1; } |
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565 | oper_expr PLUS_PLUS |
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566 { $$ = parser.make_postfix_op (PLUS_PLUS, $1, $2); } |
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567 | oper_expr MINUS_MINUS |
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568 { $$ = parser.make_postfix_op (MINUS_MINUS, $1, $2); } |
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569 | oper_expr '(' ')' |
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570 { |
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571 $$ = parser.make_index_expression ($1, 0, '('); |
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572 if (! $$) |
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573 { |
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574 // make_index_expression deleted $1. |
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575 ABORT_PARSE; |
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576 } |
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577 } |
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578 | oper_expr '(' arg_list ')' |
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579 { |
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580 $$ = parser.make_index_expression ($1, $3, '('); |
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581 if (! $$) |
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582 { |
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583 // make_index_expression deleted $1 and $3. |
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584 ABORT_PARSE; |
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585 } |
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586 } |
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587 | oper_expr '{' '}' |
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588 { |
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589 $$ = parser.make_index_expression ($1, 0, '{'); |
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590 if (! $$) |
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591 { |
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592 // make_index_expression deleted $1. |
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593 ABORT_PARSE; |
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594 } |
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595 } |
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596 | oper_expr '{' arg_list '}' |
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597 { |
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598 $$ = parser.make_index_expression ($1, $3, '{'); |
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599 if (! $$) |
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600 { |
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601 // make_index_expression deleted $1 and $3. |
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602 ABORT_PARSE; |
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|
603 } |
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604 } |
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|
605 | oper_expr HERMITIAN |
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606 { $$ = parser.make_postfix_op (HERMITIAN, $1, $2); } |
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607 | oper_expr TRANSPOSE |
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608 { $$ = parser.make_postfix_op (TRANSPOSE, $1, $2); } |
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609 | oper_expr indirect_ref_op STRUCT_ELT |
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610 { $$ = parser.make_indirect_ref ($1, $3->text ()); } |
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611 | oper_expr indirect_ref_op '(' expression ')' |
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612 { $$ = parser.make_indirect_ref ($1, $4); } |
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613 | PLUS_PLUS oper_expr %prec UNARY |
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614 { $$ = parser.make_prefix_op (PLUS_PLUS, $2, $1); } |
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615 | MINUS_MINUS oper_expr %prec UNARY |
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616 { $$ = parser.make_prefix_op (MINUS_MINUS, $2, $1); } |
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617 | EXPR_NOT oper_expr %prec UNARY |
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618 { $$ = parser.make_prefix_op (EXPR_NOT, $2, $1); } |
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619 | '+' oper_expr %prec UNARY |
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620 { $$ = parser.make_prefix_op ('+', $2, $1); } |
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621 | '-' oper_expr %prec UNARY |
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622 { $$ = parser.make_prefix_op ('-', $2, $1); } |
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623 | oper_expr POW power_expr |
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624 { $$ = parser.make_binary_op (POW, $1, $2, $3); } |
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625 | oper_expr EPOW power_expr |
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626 { $$ = parser.make_binary_op (EPOW, $1, $2, $3); } |
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627 | oper_expr '+' oper_expr |
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628 { $$ = parser.make_binary_op ('+', $1, $2, $3); } |
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629 | oper_expr '-' oper_expr |
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630 { $$ = parser.make_binary_op ('-', $1, $2, $3); } |
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631 | oper_expr '*' oper_expr |
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632 { $$ = parser.make_binary_op ('*', $1, $2, $3); } |
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633 | oper_expr '/' oper_expr |
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634 { $$ = parser.make_binary_op ('/', $1, $2, $3); } |
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635 | oper_expr EPLUS oper_expr |
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636 { $$ = parser.make_binary_op ('+', $1, $2, $3); } |
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637 | oper_expr EMINUS oper_expr |
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638 { $$ = parser.make_binary_op ('-', $1, $2, $3); } |
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639 | oper_expr EMUL oper_expr |
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640 { $$ = parser.make_binary_op (EMUL, $1, $2, $3); } |
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641 | oper_expr EDIV oper_expr |
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642 { $$ = parser.make_binary_op (EDIV, $1, $2, $3); } |
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643 | oper_expr LEFTDIV oper_expr |
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644 { $$ = parser.make_binary_op (LEFTDIV, $1, $2, $3); } |
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645 | oper_expr ELEFTDIV oper_expr |
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646 { $$ = parser.make_binary_op (ELEFTDIV, $1, $2, $3); } |
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647 ; |
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648 |
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649 power_expr : primary_expr |
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650 { $$ = $1; } |
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651 | power_expr PLUS_PLUS |
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652 { $$ = parser.make_postfix_op (PLUS_PLUS, $1, $2); } |
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653 | power_expr MINUS_MINUS |
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654 { $$ = parser.make_postfix_op (MINUS_MINUS, $1, $2); } |
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655 | power_expr '(' ')' |
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656 { |
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657 $$ = parser.make_index_expression ($1, 0, '('); |
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658 if (! $$) |
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659 { |
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660 // make_index_expression deleted $1. |
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661 ABORT_PARSE; |
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662 } |
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663 } |
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664 | power_expr '(' arg_list ')' |
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665 { |
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666 $$ = parser.make_index_expression ($1, $3, '('); |
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667 if (! $$) |
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668 { |
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669 // make_index_expression deleted $1 and $3. |
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670 ABORT_PARSE; |
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671 } |
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672 } |
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673 | power_expr '{' '}' |
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674 { |
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675 $$ = parser.make_index_expression ($1, 0, '{'); |
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676 if (! $$) |
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677 { |
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678 // make_index_expression deleted $1. |
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679 ABORT_PARSE; |
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680 } |
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681 } |
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682 | power_expr '{' arg_list '}' |
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683 { |
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684 $$ = parser.make_index_expression ($1, $3, '{'); |
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685 if (! $$) |
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686 { |
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687 // make_index_expression deleted $1 and $3. |
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688 ABORT_PARSE; |
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689 } |
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690 } |
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691 | power_expr indirect_ref_op STRUCT_ELT |
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692 { $$ = parser.make_indirect_ref ($1, $3->text ()); } |
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693 | power_expr indirect_ref_op '(' expression ')' |
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694 { $$ = parser.make_indirect_ref ($1, $4); } |
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695 | PLUS_PLUS power_expr %prec POW |
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696 { $$ = parser.make_prefix_op (PLUS_PLUS, $2, $1); } |
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697 | MINUS_MINUS power_expr %prec POW |
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698 { $$ = parser.make_prefix_op (MINUS_MINUS, $2, $1); } |
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699 | EXPR_NOT power_expr %prec POW |
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700 { $$ = parser.make_prefix_op (EXPR_NOT, $2, $1); } |
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701 | '+' power_expr %prec POW |
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702 { $$ = parser.make_prefix_op ('+', $2, $1); } |
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703 | '-' power_expr %prec POW |
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704 { $$ = parser.make_prefix_op ('-', $2, $1); } |
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705 ; |
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706 |
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707 colon_expr : colon_expr1 |
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708 { $$ = parser.finish_colon_expression ($1); } |
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709 ; |
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710 |
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711 colon_expr1 : oper_expr |
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712 { $$ = new tree_colon_expression ($1); } |
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|
713 | colon_expr1 ':' oper_expr |
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714 { |
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715 if (! ($$ = $1->append ($3))) |
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|
716 { |
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|
717 delete $1; |
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|
718 delete $3; |
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|
719 ABORT_PARSE; |
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720 } |
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721 } |
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|
722 ; |
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723 |
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724 simple_expr : colon_expr |
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|
725 { $$ = $1; } |
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|
726 | simple_expr LSHIFT simple_expr |
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|
727 { $$ = parser.make_binary_op (LSHIFT, $1, $2, $3); } |
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728 | simple_expr RSHIFT simple_expr |
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|
729 { $$ = parser.make_binary_op (RSHIFT, $1, $2, $3); } |
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730 | simple_expr EXPR_LT simple_expr |
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|
731 { $$ = parser.make_binary_op (EXPR_LT, $1, $2, $3); } |
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732 | simple_expr EXPR_LE simple_expr |
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|
733 { $$ = parser.make_binary_op (EXPR_LE, $1, $2, $3); } |
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734 | simple_expr EXPR_EQ simple_expr |
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|
735 { $$ = parser.make_binary_op (EXPR_EQ, $1, $2, $3); } |
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736 | simple_expr EXPR_GE simple_expr |
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737 { $$ = parser.make_binary_op (EXPR_GE, $1, $2, $3); } |
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738 | simple_expr EXPR_GT simple_expr |
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739 { $$ = parser.make_binary_op (EXPR_GT, $1, $2, $3); } |
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740 | simple_expr EXPR_NE simple_expr |
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741 { $$ = parser.make_binary_op (EXPR_NE, $1, $2, $3); } |
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742 | simple_expr EXPR_AND simple_expr |
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743 { $$ = parser.make_binary_op (EXPR_AND, $1, $2, $3); } |
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744 | simple_expr EXPR_OR simple_expr |
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|
745 { $$ = parser.make_binary_op (EXPR_OR, $1, $2, $3); } |
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746 | simple_expr EXPR_AND_AND simple_expr |
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747 { $$ = parser.make_boolean_op (EXPR_AND_AND, $1, $2, $3); } |
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748 | simple_expr EXPR_OR_OR simple_expr |
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|
749 { $$ = parser.make_boolean_op (EXPR_OR_OR, $1, $2, $3); } |
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750 ; |
2970 | 751 |
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752 assign_lhs : simple_expr |
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753 { |
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|
754 $$ = parser.validate_matrix_for_assignment ($1); |
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|
755 |
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756 if ($$) |
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757 { lexer.looking_at_matrix_or_assign_lhs = false; } |
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758 else |
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759 { |
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760 // validate_matrix_for_assignment deleted $1. |
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761 ABORT_PARSE; |
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762 } |
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763 } |
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764 ; |
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765 |
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766 assign_expr : assign_lhs '=' expression |
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767 { $$ = parser.make_assign_op ('=', $1, $2, $3); } |
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768 | assign_lhs ADD_EQ expression |
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769 { $$ = parser.make_assign_op (ADD_EQ, $1, $2, $3); } |
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770 | assign_lhs SUB_EQ expression |
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771 { $$ = parser.make_assign_op (SUB_EQ, $1, $2, $3); } |
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772 | assign_lhs MUL_EQ expression |
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773 { $$ = parser.make_assign_op (MUL_EQ, $1, $2, $3); } |
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774 | assign_lhs DIV_EQ expression |
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775 { $$ = parser.make_assign_op (DIV_EQ, $1, $2, $3); } |
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776 | assign_lhs LEFTDIV_EQ expression |
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777 { $$ = parser.make_assign_op (LEFTDIV_EQ, $1, $2, $3); } |
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778 | assign_lhs POW_EQ expression |
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779 { $$ = parser.make_assign_op (POW_EQ, $1, $2, $3); } |
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780 | assign_lhs LSHIFT_EQ expression |
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781 { $$ = parser.make_assign_op (LSHIFT_EQ, $1, $2, $3); } |
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782 | assign_lhs RSHIFT_EQ expression |
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783 { $$ = parser.make_assign_op (RSHIFT_EQ, $1, $2, $3); } |
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784 | assign_lhs EMUL_EQ expression |
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785 { $$ = parser.make_assign_op (EMUL_EQ, $1, $2, $3); } |
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786 | assign_lhs EDIV_EQ expression |
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787 { $$ = parser.make_assign_op (EDIV_EQ, $1, $2, $3); } |
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788 | assign_lhs ELEFTDIV_EQ expression |
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789 { $$ = parser.make_assign_op (ELEFTDIV_EQ, $1, $2, $3); } |
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790 | assign_lhs EPOW_EQ expression |
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791 { $$ = parser.make_assign_op (EPOW_EQ, $1, $2, $3); } |
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792 | assign_lhs AND_EQ expression |
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793 { $$ = parser.make_assign_op (AND_EQ, $1, $2, $3); } |
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794 | assign_lhs OR_EQ expression |
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795 { $$ = parser.make_assign_op (OR_EQ, $1, $2, $3); } |
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796 ; |
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797 |
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798 expression : simple_expr |
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799 { |
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800 if ($1 && ($1->is_matrix () || $1->is_cell ())) |
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801 { |
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802 if (parser.validate_array_list ($1)) |
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803 $$ = $1; |
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804 else |
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805 { |
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806 delete $1; |
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807 ABORT_PARSE; |
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808 } |
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809 } |
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810 else |
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811 $$ = $1; |
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812 } |
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813 | assign_expr |
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814 { $$ = $1; } |
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815 | anon_fcn_handle |
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816 { $$ = $1; } |
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817 ; |
2970 | 818 |
819 // ================================================ | |
820 // Commands, declarations, and function definitions | |
821 // ================================================ | |
822 | |
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823 command : declaration |
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824 { $$ = $1; } |
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825 | select_command |
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826 { $$ = $1; } |
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827 | loop_command |
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828 { $$ = $1; } |
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829 | jump_command |
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830 { $$ = $1; } |
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831 | except_command |
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832 { $$ = $1; } |
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833 | function |
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834 { $$ = $1; } |
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835 | file |
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836 { $$ = $1; } |
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837 | classdef |
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838 { $$ = $1; } |
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839 ; |
2970 | 840 |
841 // ===================== | |
842 // Declaration statemnts | |
843 // ===================== | |
844 | |
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845 declaration : GLOBAL decl1 |
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846 { |
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847 $$ = parser.make_decl_command (GLOBAL, $1, $2); |
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848 lexer.looking_at_decl_list = false; |
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849 } |
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850 | PERSISTENT decl1 |
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851 { |
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852 $$ = parser.make_decl_command (PERSISTENT, $1, $2); |
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853 lexer.looking_at_decl_list = false; |
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854 } |
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855 ; |
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856 |
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857 decl1 : decl2 |
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858 { $$ = new tree_decl_init_list ($1); } |
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859 | decl1 decl2 |
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860 { |
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861 $1->append ($2); |
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862 $$ = $1; |
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863 } |
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864 ; |
2970 | 865 |
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866 decl_param_init : // empty |
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867 { lexer.looking_at_initializer_expression = true; } |
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868 |
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869 decl2 : identifier |
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870 { $$ = new tree_decl_elt ($1); } |
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871 | identifier '=' decl_param_init expression |
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872 { |
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873 lexer.looking_at_initializer_expression = false; |
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874 $$ = new tree_decl_elt ($1, $4); |
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875 } |
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876 ; |
2970 | 877 |
878 // ==================== | |
879 // Selection statements | |
880 // ==================== | |
881 | |
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882 select_command : if_command |
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883 { $$ = $1; } |
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884 | switch_command |
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885 { $$ = $1; } |
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886 ; |
2970 | 887 |
888 // ============ | |
889 // If statement | |
890 // ============ | |
891 | |
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892 if_command : IF stash_comment if_cmd_list END |
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893 { |
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894 if (! ($$ = parser.finish_if_command ($1, $3, $4, $2))) |
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895 { |
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896 // finish_if_command deleted $3. |
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897 ABORT_PARSE; |
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898 } |
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899 } |
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900 ; |
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901 |
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902 if_cmd_list : if_cmd_list1 |
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903 { $$ = $1; } |
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904 | if_cmd_list1 else_clause |
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905 { |
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906 $1->append ($2); |
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907 $$ = $1; |
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908 } |
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909 ; |
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910 |
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|
911 if_cmd_list1 : expression stmt_begin opt_sep opt_list |
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912 { |
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913 $1->mark_braindead_shortcircuit (lexer.fcn_file_full_name); |
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914 |
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915 $$ = parser.start_if_command ($1, $4); |
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916 } |
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917 | if_cmd_list1 elseif_clause |
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918 { |
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919 $1->append ($2); |
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920 $$ = $1; |
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|
921 } |
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|
922 ; |
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923 |
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|
924 elseif_clause : ELSEIF stash_comment opt_sep expression stmt_begin opt_sep opt_list |
11091
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Matlab compatible short-circuit behavior for & and | operators
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|
925 { |
16288
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926 $4->mark_braindead_shortcircuit (lexer.fcn_file_full_name); |
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927 |
16681
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|
928 $$ = parser.make_elseif_clause ($1, $4, $7, $2); |
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|
929 } |
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|
930 ; |
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931 |
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932 else_clause : ELSE stash_comment opt_sep opt_list |
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933 { $$ = new tree_if_clause ($4, $2); } |
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934 ; |
2970 | 935 |
936 // ================ | |
937 // Switch statement | |
938 // ================ | |
939 | |
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940 switch_command : SWITCH stash_comment expression opt_sep case_list END |
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941 { |
16288
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942 if (! ($$ = parser.finish_switch_command ($1, $3, $5, $6, $2))) |
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|
943 { |
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|
944 // finish_switch_command deleted $3 adn $5. |
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945 ABORT_PARSE; |
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946 } |
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947 } |
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948 ; |
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949 |
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950 case_list : // empty |
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951 { $$ = new tree_switch_case_list (); } |
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952 | default_case |
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953 { $$ = new tree_switch_case_list ($1); } |
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954 | case_list1 |
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955 { $$ = $1; } |
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956 | case_list1 default_case |
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957 { |
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958 $1->append ($2); |
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959 $$ = $1; |
11586
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960 } |
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961 ; |
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962 |
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963 case_list1 : switch_case |
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964 { $$ = new tree_switch_case_list ($1); } |
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965 | case_list1 switch_case |
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966 { |
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967 $1->append ($2); |
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968 $$ = $1; |
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969 } |
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970 ; |
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971 |
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972 switch_case : CASE stash_comment opt_sep expression stmt_begin opt_sep opt_list |
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973 { $$ = parser.make_switch_case ($1, $4, $7, $2); } |
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974 ; |
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975 |
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976 default_case : OTHERWISE stash_comment opt_sep opt_list |
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977 { |
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978 $$ = new tree_switch_case ($4, $2); |
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979 } |
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980 ; |
2970 | 981 |
982 // ======= | |
983 // Looping | |
984 // ======= | |
985 | |
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986 loop_command : WHILE stash_comment expression stmt_begin opt_sep opt_list END |
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987 { |
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988 $3->mark_braindead_shortcircuit (lexer.fcn_file_full_name); |
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989 |
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990 if (! ($$ = parser.make_while_command ($1, $3, $6, $7, $2))) |
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991 { |
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|
992 // make_while_command deleted $3 and $6. |
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993 ABORT_PARSE; |
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994 } |
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995 } |
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996 | DO stash_comment opt_sep opt_list UNTIL expression |
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997 { |
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998 $$ = parser.make_do_until_command ($5, $4, $6, $2); |
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999 } |
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|
1000 | FOR stash_comment assign_lhs '=' expression stmt_begin opt_sep opt_list END |
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1001 { |
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|
1002 if (! ($$ = parser.make_for_command (FOR, $1, $3, $5, 0, |
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1003 $8, $9, $2))) |
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1004 { |
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|
1005 // make_for_command deleted $3, $5, and $8. |
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1006 ABORT_PARSE; |
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1007 } |
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1008 } |
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1009 | FOR stash_comment '(' assign_lhs '=' expression ')' opt_sep opt_list END |
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1010 { |
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1011 if (! ($$ = parser.make_for_command (FOR, $1, $4, $6, 0, |
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1012 $9, $10, $2))) |
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1013 { |
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1014 // make_for_command deleted $4, $6, and $9. |
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1015 ABORT_PARSE; |
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1016 } |
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|
1017 } |
16681
d3619d4d267c
recognize character string at beginning of statement (bug #38926, #38958)
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16627
diff
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|
1018 | PARFOR stash_comment assign_lhs '=' expression stmt_begin opt_sep opt_list END |
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|
1019 { |
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1020 if (! ($$ = parser.make_for_command (PARFOR, $1, $3, $5, |
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1021 0, $8, $9, $2))) |
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|
1022 { |
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|
1023 // make_for_command deleted $3, $5, and $8. |
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1024 ABORT_PARSE; |
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|
1025 } |
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|
1026 } |
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|
1027 | PARFOR stash_comment '(' assign_lhs '=' expression ',' expression ')' opt_sep opt_list END |
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|
1028 { |
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1029 if (! ($$ = parser.make_for_command (PARFOR, $1, $4, $6, |
17632
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|
1030 $8, $11, $12, $2))) |
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|
1031 { |
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|
1032 // make_for_command deleted $4, $6, $8, and $11. |
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|
1033 ABORT_PARSE; |
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|
1034 } |
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|
1035 } |
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|
1036 ; |
2970 | 1037 |
1038 // ======= | |
1039 // Jumping | |
1040 // ======= | |
1041 | |
10315
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1042 jump_command : BREAK |
17632
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further reduce memory leaks from parse errors (bug #40231)
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|
1043 { $$ = parser.make_break_command ($1); } |
10315
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1044 | CONTINUE |
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1045 { $$ = parser.make_continue_command ($1); } |
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|
1046 | FUNC_RET |
17632
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|
1047 { $$ = parser.make_return_command ($1); } |
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1048 ; |
2970 | 1049 |
1050 // ========== | |
1051 // Exceptions | |
1052 // ========== | |
1053 | |
10315
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|
1054 except_command : UNWIND stash_comment opt_sep opt_list CLEANUP |
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1055 stash_comment opt_sep opt_list END |
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1056 { |
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1057 if (! ($$ = parser.make_unwind_command ($1, $4, $8, $9, $2, $6))) |
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|
1058 { |
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|
1059 // make_unwind_command deleted $4 and $8. |
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|
1060 ABORT_PARSE; |
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1061 } |
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|
1062 } |
17283
e6c0ac8ce5b6
eliminate parse conflicts introduced by changeset 923ce8b42db2
John W. Eaton <jwe@octave.org>
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17281
diff
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|
1063 | TRY stash_comment opt_sep opt_list CATCH stash_comment |
e6c0ac8ce5b6
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diff
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|
1064 opt_sep opt_list END |
17249
923ce8b42db2
improve try-catch-statement to save exception to a variable (bug #33217)
Stefan Mahr <dac922@gmx.de>
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|
1065 { |
17283
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eliminate parse conflicts introduced by changeset 923ce8b42db2
John W. Eaton <jwe@octave.org>
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|
1066 if (! ($$ = parser.make_try_command ($1, $4, $7, $8, $9, $2, $6))) |
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|
1067 { |
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|
1068 // make_try_command deleted $4 and $8. |
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|
1069 ABORT_PARSE; |
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1070 } |
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1071 } |
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1072 | TRY stash_comment opt_sep opt_list END |
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1073 { |
17249
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|
1074 if (! ($$ = parser.make_try_command ($1, $4, 0, 0, $5, $2, 0))) |
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|
1075 { |
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|
1076 // make_try_command deleted $4. |
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|
1077 ABORT_PARSE; |
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|
1078 } |
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|
1079 } |
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|
1080 ; |
2970 | 1081 |
1082 // =========================================== | |
15466
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use ' instead of ` in error messages, warnings and most comments
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|
1083 // Some 'subroutines' for function definitions |
2970 | 1084 // =========================================== |
1085 | |
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1086 push_fcn_symtab : // empty |
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1087 { |
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1088 parser.curr_fcn_depth++; |
fe3b9a51e625
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1089 |
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1090 if (parser.max_fcn_depth < parser.curr_fcn_depth) |
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|
1091 parser.max_fcn_depth = parser.curr_fcn_depth; |
10315
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1092 |
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|
1093 lexer.symtab_context.push (symbol_table::alloc_scope ()); |
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|
1094 |
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changeset
|
1095 parser.function_scopes.push_back |
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changeset
|
1096 (lexer.symtab_context.curr_scope ()); |
16288
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1097 |
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1098 if (! lexer.reading_script_file |
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|
1099 && parser.curr_fcn_depth == 1 |
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1100 && ! parser.parsing_subfunctions) |
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1101 parser.primary_fcn_scope |
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1102 = lexer.symtab_context.curr_scope (); |
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1103 |
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1104 if (lexer.reading_script_file |
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1105 && parser.curr_fcn_depth > 1) |
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1106 parser.bison_error ("nested functions not implemented in this context"); |
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1107 } |
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1108 ; |
2970 | 1109 |
1110 // =========================== | |
1111 // List of function parameters | |
1112 // =========================== | |
1113 | |
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1114 param_list_beg : '(' |
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1115 { |
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1116 lexer.looking_at_parameter_list = true; |
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1117 |
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1118 if (lexer.looking_at_function_handle) |
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1119 { |
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1120 lexer.symtab_context.push (symbol_table::alloc_scope ()); |
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1121 lexer.looking_at_function_handle--; |
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1122 lexer.looking_at_anon_fcn_args = true; |
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1123 } |
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1124 } |
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1125 ; |
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1126 |
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1127 param_list_end : ')' |
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1128 { |
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1129 lexer.looking_at_parameter_list = false; |
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1130 lexer.looking_for_object_index = false; |
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1131 } |
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1132 ; |
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1133 |
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1134 param_list : param_list_beg param_list1 param_list_end |
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1135 { |
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1136 if ($2) |
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1137 lexer.mark_as_variables ($2->variable_names ()); |
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1138 |
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1139 $$ = $2; |
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1140 } |
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1141 | param_list_beg error |
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1142 { |
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1143 parser.bison_error ("invalid parameter list"); |
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1144 $$ = 0; |
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1145 ABORT_PARSE; |
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|
1146 } |
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|
1147 ; |
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|
1148 |
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|
1149 param_list1 : // empty |
57a59eae83cc
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|
1150 { $$ = 0; } |
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|
1151 | param_list2 |
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|
1152 { |
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untabify src C++ source files
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|
1153 $1->mark_as_formal_parameters (); |
57a59eae83cc
untabify src C++ source files
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|
1154 if ($1->validate (tree_parameter_list::in)) |
16360
11115c237231
recognize variables when parsing (bug #38576)
John W. Eaton <jwe@octave.org>
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16320
diff
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|
1155 { |
11115c237231
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16320
diff
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|
1156 lexer.mark_as_variables ($1->variable_names ()); |
11115c237231
recognize variables when parsing (bug #38576)
John W. Eaton <jwe@octave.org>
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16320
diff
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|
1157 $$ = $1; |
11115c237231
recognize variables when parsing (bug #38576)
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diff
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|
1158 } |
10315
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1159 else |
17632
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|
1160 { |
bd0a84de3375
further reduce memory leaks from parse errors (bug #40231)
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|
1161 delete $1; |
bd0a84de3375
further reduce memory leaks from parse errors (bug #40231)
John W. Eaton <jwe@octave.org>
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diff
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|
1162 ABORT_PARSE; |
bd0a84de3375
further reduce memory leaks from parse errors (bug #40231)
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|
1163 } |
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|
1164 } |
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|
1165 ; |
57a59eae83cc
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|
1166 |
17317
56fe31b248de
disallow ~ in global and persistent declaration lists
John W. Eaton <jwe@octave.org>
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|
1167 param_list2 : param_list_elt |
10315
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|
1168 { $$ = new tree_parameter_list ($1); } |
17317
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disallow ~ in global and persistent declaration lists
John W. Eaton <jwe@octave.org>
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diff
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|
1169 | param_list2 ',' param_list_elt |
10315
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|
1170 { |
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|
1171 $1->append ($3); |
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|
1172 $$ = $1; |
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|
1173 } |
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|
1174 ; |
2970 | 1175 |
17317
56fe31b248de
disallow ~ in global and persistent declaration lists
John W. Eaton <jwe@octave.org>
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diff
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|
1176 param_list_elt : decl2 |
56fe31b248de
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diff
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|
1177 { $$ = $1; } |
56fe31b248de
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John W. Eaton <jwe@octave.org>
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17316
diff
changeset
|
1178 | magic_tilde |
56fe31b248de
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John W. Eaton <jwe@octave.org>
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17316
diff
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|
1179 { $$ = new tree_decl_elt ($1); } |
56fe31b248de
disallow ~ in global and persistent declaration lists
John W. Eaton <jwe@octave.org>
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17316
diff
changeset
|
1180 ; |
56fe31b248de
disallow ~ in global and persistent declaration lists
John W. Eaton <jwe@octave.org>
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17316
diff
changeset
|
1181 |
2970 | 1182 // =================================== |
1183 // List of function return value names | |
1184 // =================================== | |
1185 | |
10315
57a59eae83cc
untabify src C++ source files
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|
1186 return_list : '[' ']' |
57a59eae83cc
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|
1187 { |
16288
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rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1188 lexer.looking_at_return_list = false; |
17316
8e2906e2fb26
avoid reduce/reduce conflict in parser rules
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diff
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|
1189 |
10315
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|
1190 $$ = new tree_parameter_list (); |
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|
1191 } |
17316
8e2906e2fb26
avoid reduce/reduce conflict in parser rules
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diff
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|
1192 | identifier |
10315
57a59eae83cc
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|
1193 { |
16288
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John W. Eaton <jwe@octave.org>
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diff
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|
1194 lexer.looking_at_return_list = false; |
17316
8e2906e2fb26
avoid reduce/reduce conflict in parser rules
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diff
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|
1195 |
8e2906e2fb26
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diff
changeset
|
1196 tree_parameter_list *tmp = new tree_parameter_list ($1); |
8e2906e2fb26
avoid reduce/reduce conflict in parser rules
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diff
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|
1197 |
8e2906e2fb26
avoid reduce/reduce conflict in parser rules
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diff
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|
1198 // 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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|
1199 // a single identifier, we still need to validate it |
8e2906e2fb26
avoid reduce/reduce conflict in parser rules
John W. Eaton <jwe@octave.org>
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17283
diff
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|
1200 // to check for varargin or varargout. |
8e2906e2fb26
avoid reduce/reduce conflict in parser rules
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diff
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|
1201 |
8e2906e2fb26
avoid reduce/reduce conflict in parser rules
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diff
changeset
|
1202 if (tmp->validate (tree_parameter_list::out)) |
8e2906e2fb26
avoid reduce/reduce conflict in parser rules
John W. Eaton <jwe@octave.org>
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17283
diff
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|
1203 $$ = tmp; |
10315
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untabify src C++ source files
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|
1204 else |
17632
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John W. Eaton <jwe@octave.org>
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diff
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|
1205 { |
bd0a84de3375
further reduce memory leaks from parse errors (bug #40231)
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17629
diff
changeset
|
1206 delete tmp; |
bd0a84de3375
further reduce memory leaks from parse errors (bug #40231)
John W. Eaton <jwe@octave.org>
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17629
diff
changeset
|
1207 ABORT_PARSE; |
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further reduce memory leaks from parse errors (bug #40231)
John W. Eaton <jwe@octave.org>
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17629
diff
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|
1208 } |
10315
57a59eae83cc
untabify src C++ source files
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|
1209 } |
57a59eae83cc
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|
1210 | '[' return_list1 ']' |
57a59eae83cc
untabify src C++ source files
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|
1211 { |
16288
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rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
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changeset
|
1212 lexer.looking_at_return_list = false; |
17316
8e2906e2fb26
avoid reduce/reduce conflict in parser rules
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diff
changeset
|
1213 |
8e2906e2fb26
avoid reduce/reduce conflict in parser rules
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diff
changeset
|
1214 // Check for duplicate parameter names, varargin, |
8e2906e2fb26
avoid reduce/reduce conflict in parser rules
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1215 // or varargout. |
8e2906e2fb26
avoid reduce/reduce conflict in parser rules
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diff
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|
1216 |
10315
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|
1217 if ($2->validate (tree_parameter_list::out)) |
57a59eae83cc
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|
1218 $$ = $2; |
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|
1219 else |
17632
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further reduce memory leaks from parse errors (bug #40231)
John W. Eaton <jwe@octave.org>
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changeset
|
1220 { |
bd0a84de3375
further reduce memory leaks from parse errors (bug #40231)
John W. Eaton <jwe@octave.org>
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17629
diff
changeset
|
1221 delete $2; |
bd0a84de3375
further reduce memory leaks from parse errors (bug #40231)
John W. Eaton <jwe@octave.org>
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17629
diff
changeset
|
1222 ABORT_PARSE; |
bd0a84de3375
further reduce memory leaks from parse errors (bug #40231)
John W. Eaton <jwe@octave.org>
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17629
diff
changeset
|
1223 } |
10315
57a59eae83cc
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diff
changeset
|
1224 } |
57a59eae83cc
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diff
changeset
|
1225 ; |
57a59eae83cc
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diff
changeset
|
1226 |
57a59eae83cc
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diff
changeset
|
1227 return_list1 : identifier |
57a59eae83cc
untabify src C++ source files
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changeset
|
1228 { $$ = new tree_parameter_list (new tree_decl_elt ($1)); } |
57a59eae83cc
untabify src C++ source files
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|
1229 | return_list1 ',' identifier |
57a59eae83cc
untabify src C++ source files
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|
1230 { |
57a59eae83cc
untabify src C++ source files
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|
1231 $1->append (new tree_decl_elt ($3)); |
57a59eae83cc
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changeset
|
1232 $$ = $1; |
57a59eae83cc
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changeset
|
1233 } |
57a59eae83cc
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|
1234 ; |
2970 | 1235 |
16203
127cccb037bf
move more global parser and lexer variables to classes
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16199
diff
changeset
|
1236 // ======================= |
127cccb037bf
move more global parser and lexer variables to classes
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16199
diff
changeset
|
1237 // Script or function file |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
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16199
diff
changeset
|
1238 // ======================= |
127cccb037bf
move more global parser and lexer variables to classes
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16199
diff
changeset
|
1239 |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
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16199
diff
changeset
|
1240 file : INPUT_FILE opt_nl opt_list END_OF_INPUT |
10315
57a59eae83cc
untabify src C++ source files
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|
1241 { |
17618
77eff9c6fb09
avoid memory leak when parsing function files (bug #40218)
John W. Eaton <jwe@octave.org>
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17377
diff
changeset
|
1242 if (lexer.reading_fcn_file) |
77eff9c6fb09
avoid memory leak when parsing function files (bug #40218)
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1243 { |
77eff9c6fb09
avoid memory leak when parsing function files (bug #40218)
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diff
changeset
|
1244 // Delete the dummy statement_list we created |
77eff9c6fb09
avoid memory leak when parsing function files (bug #40218)
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diff
changeset
|
1245 // after parsing the function. Any function |
77eff9c6fb09
avoid memory leak when parsing function files (bug #40218)
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diff
changeset
|
1246 // definitions found in the file have already |
77eff9c6fb09
avoid memory leak when parsing function files (bug #40218)
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diff
changeset
|
1247 // been stored in the symbol table or in |
77eff9c6fb09
avoid memory leak when parsing function files (bug #40218)
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1248 // octave_base_parser::primary_fcn_ptr. |
77eff9c6fb09
avoid memory leak when parsing function files (bug #40218)
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17377
diff
changeset
|
1249 |
77eff9c6fb09
avoid memory leak when parsing function files (bug #40218)
John W. Eaton <jwe@octave.org>
parents:
17377
diff
changeset
|
1250 delete $3; |
77eff9c6fb09
avoid memory leak when parsing function files (bug #40218)
John W. Eaton <jwe@octave.org>
parents:
17377
diff
changeset
|
1251 } |
77eff9c6fb09
avoid memory leak when parsing function files (bug #40218)
John W. Eaton <jwe@octave.org>
parents:
17377
diff
changeset
|
1252 else |
16203
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
1253 { |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
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16199
diff
changeset
|
1254 tree_statement *end_of_script |
16627
de91b1621260
adjust location of eof marker for files with subfunctions but no explicit end statements
John W. Eaton <jwe@octave.org>
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16574
diff
changeset
|
1255 = parser.make_end ("endscript", true, |
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
|
1256 lexer.input_line_number, |
de91b1621260
adjust location of eof marker for files with subfunctions but no explicit end statements
John W. Eaton <jwe@octave.org>
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16574
diff
changeset
|
1257 lexer.current_input_column); |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
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diff
changeset
|
1258 |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
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diff
changeset
|
1259 parser.make_script ($3, end_of_script); |
16203
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
1260 } |
10315
57a59eae83cc
untabify src C++ source files
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changeset
|
1261 |
57a59eae83cc
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changeset
|
1262 $$ = 0; |
57a59eae83cc
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changeset
|
1263 } |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1264 ; |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
1265 |
2970 | 1266 // =================== |
1267 // Function definition | |
1268 // =================== | |
1269 | |
16627
de91b1621260
adjust location of eof marker for files with subfunctions but no explicit end statements
John W. Eaton <jwe@octave.org>
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16574
diff
changeset
|
1270 function_beg : push_fcn_symtab FCN |
10315
57a59eae83cc
untabify src C++ source files
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|
1271 { |
16627
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adjust location of eof marker for files with subfunctions but no explicit end statements
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1272 $$ = $2; |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
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changeset
|
1273 if (lexer.reading_classdef_file |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
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diff
changeset
|
1274 || lexer.parsing_classdef) |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
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16287
diff
changeset
|
1275 lexer.maybe_classdef_get_set_method = true; |
10315
57a59eae83cc
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changeset
|
1276 } |
57a59eae83cc
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changeset
|
1277 ; |
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1278 |
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1279 function : function_beg stash_comment function1 |
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1280 { |
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1281 $$ = parser.finish_function (0, $3, $2, $1->line (), |
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adjust location of eof marker for files with subfunctions but no explicit end statements
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1282 $1->column ()); |
16288
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1283 parser.recover_from_parsing_function (); |
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1284 } |
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1285 | function_beg stash_comment return_list '=' function1 |
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1286 { |
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1287 $$ = parser.finish_function ($3, $5, $2, $1->line (), |
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1288 $1->column ()); |
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1289 parser.recover_from_parsing_function (); |
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1290 } |
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1291 ; |
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1292 |
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1293 fcn_name : identifier |
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1294 { |
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1295 std::string id_name = $1->name (); |
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1296 |
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1297 lexer.parsed_function_name.top () = true; |
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1298 lexer.maybe_classdef_get_set_method = false; |
11586
12df7854fa7c
strip trailing whitespace from source files
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|
1299 |
10315
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1300 $$ = $1; |
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1301 } |
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1302 | GET '.' identifier |
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1303 { |
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1304 lexer.parsed_function_name.top () = true; |
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1305 lexer.maybe_classdef_get_set_method = false; |
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1306 $$ = $3; |
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1307 } |
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1308 | SET '.' identifier |
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1309 { |
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1310 lexer.parsed_function_name.top () = true; |
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1311 lexer.maybe_classdef_get_set_method = false; |
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1312 $$ = $3; |
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1313 } |
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1314 ; |
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1315 |
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1316 function1 : fcn_name function2 |
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1317 { |
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1318 std::string fname = $1->name (); |
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1319 |
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1320 delete $1; |
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1321 |
17632
bd0a84de3375
further reduce memory leaks from parse errors (bug #40231)
John W. Eaton <jwe@octave.org>
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diff
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|
1322 $$ = parser.frob_function (fname, $2); |
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1323 } |
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1324 ; |
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1325 |
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1326 function2 : param_list opt_sep opt_list function_end |
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1327 { $$ = parser.start_function ($1, $3, $4); } |
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1328 | opt_sep opt_list function_end |
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1329 { $$ = parser.start_function (0, $2, $3); } |
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1330 ; |
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1331 |
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1332 function_end : END |
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1333 { |
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1334 parser.endfunction_found = true; |
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1335 if (parser.end_token_ok ($1, token::function_end)) |
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1336 $$ = parser.make_end ("endfunction", false, |
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1337 $1->line (), $1->column ()); |
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1338 else |
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1339 ABORT_PARSE; |
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1340 } |
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1341 | END_OF_INPUT |
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1342 { |
9474
25ed2d6aacf6
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David Grundberg <individ@acc.umu.se>
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9471
diff
changeset
|
1343 // A lot of tests are based on the assumption that this is OK |
16288
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1344 // if (lexer.reading_script_file) |
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1345 // { |
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1346 // parser.bison_error ("function body open at end of script"); |
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1347 // YYABORT; |
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1348 // } |
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1349 |
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1350 if (parser.endfunction_found) |
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1351 { |
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|
1352 parser.bison_error ("inconsistent function endings -- " |
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1353 "if one function is explicitly ended, " |
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1354 "so must all the others"); |
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|
1355 YYABORT; |
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1356 } |
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1357 |
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|
1358 if (! (lexer.reading_fcn_file || lexer.reading_script_file |
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1359 || lexer.input_from_eval_string ())) |
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1360 { |
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|
1361 parser.bison_error ("function body open at end of input"); |
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1362 YYABORT; |
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1363 } |
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1364 |
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1365 if (lexer.reading_classdef_file) |
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1366 { |
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|
1367 parser.bison_error ("classdef body open at end of input"); |
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1368 YYABORT; |
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1369 } |
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1370 |
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|
1371 $$ = parser.make_end ("endfunction", true, |
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1372 lexer.input_line_number, |
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|
1373 lexer.current_input_column); |
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1374 } |
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1375 ; |
2970 | 1376 |
9476 | 1377 // ======== |
1378 // Classdef | |
1379 // ======== | |
1380 | |
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1381 classdef_beg : CLASSDEF stash_comment |
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1382 { |
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1383 $$ = 0; |
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|
1384 lexer.parsing_classdef = true; |
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1385 } |
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|
1386 ; |
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1387 |
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1388 classdef_end : END |
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1389 { |
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1390 lexer.parsing_classdef = false; |
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1391 |
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|
1392 if (parser.end_token_ok ($1, token::classdef_end)) |
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|
1393 $$ = parser.make_end ("endclassdef", false, |
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|
1394 $1->line (), $1->column ()); |
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1395 else |
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|
1396 ABORT_PARSE; |
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|
1397 } |
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|
1398 ; |
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1399 |
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diff
changeset
|
1400 classdef1 : classdef_beg opt_attr_list identifier opt_superclasses |
57a59eae83cc
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diff
changeset
|
1401 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1402 ; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1403 |
13250
f6bbdea030b2
use opt_sep instead of literal '\n' in parser rules for classdef
John W. Eaton <jwe@octave.org>
parents:
13249
diff
changeset
|
1404 classdef : classdef1 opt_sep class_body opt_sep stash_comment classdef_end |
10315
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1405 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1406 ; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1407 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1408 opt_attr_list : // empty |
57a59eae83cc
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diff
changeset
|
1409 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1410 | '(' attr_list ')' |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1411 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1412 ; |
57a59eae83cc
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John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1413 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1414 attr_list : attr |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1415 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1416 | attr_list ',' attr |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1417 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1418 ; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1419 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1420 attr : identifier |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1421 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1422 | identifier '=' decl_param_init expression |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1423 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1424 | EXPR_NOT identifier |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1425 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1426 ; |
9476 | 1427 |
1428 opt_superclasses | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1429 : // empty |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1430 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1431 | superclasses |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1432 { $$ = 0; } |
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 superclasses : EXPR_LT identifier '.' identifier |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1436 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1437 | EXPR_LT identifier |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1438 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1439 | superclasses EXPR_AND identifier '.' identifier |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1440 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1441 | superclasses EXPR_AND identifier |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1442 { $$ = 0; } |
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:
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diff
changeset
|
1444 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1445 class_body : properties_block |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1446 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1447 | methods_block |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1448 { $$ = 0; } |
57a59eae83cc
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John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1449 | events_block |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10250
diff
changeset
|
1450 { $$ = 0; } |
13249
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1451 | enum_block |
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1452 { $$ = 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
|
1453 | 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
|
1454 { $$ = 0; } |
13250
f6bbdea030b2
use opt_sep instead of literal '\n' in parser rules for classdef
John W. Eaton <jwe@octave.org>
parents:
13249
diff
changeset
|
1455 | class_body opt_sep methods_block |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1456 { $$ = 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
|
1457 | class_body opt_sep events_block |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1458 { $$ = 0; } |
13250
f6bbdea030b2
use opt_sep instead of literal '\n' in parser rules for classdef
John W. Eaton <jwe@octave.org>
parents:
13249
diff
changeset
|
1459 | class_body opt_sep enum_block |
13249
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1460 { $$ = 0; } |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1461 ; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1462 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1463 properties_beg : PROPERTIES stash_comment |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1464 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1465 ; |
9476 | 1466 |
1467 properties_block | |
13250
f6bbdea030b2
use opt_sep instead of literal '\n' in parser rules for classdef
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1468 : properties_beg opt_attr_list opt_sep properties_list opt_sep END |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1469 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1470 ; |
9476 | 1471 |
1472 properties_list | |
10315
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1473 : class_property |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1474 { $$ = 0; } |
13250
f6bbdea030b2
use opt_sep instead of literal '\n' in parser rules for classdef
John W. Eaton <jwe@octave.org>
parents:
13249
diff
changeset
|
1475 | properties_list opt_sep class_property |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1476 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1477 ; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1478 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1479 class_property : identifier |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1480 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1481 | identifier '=' decl_param_init expression ';' |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10250
diff
changeset
|
1482 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1483 ; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1484 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10250
diff
changeset
|
1485 methods_beg : METHODS stash_comment |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10250
diff
changeset
|
1486 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1487 ; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10250
diff
changeset
|
1488 |
13250
f6bbdea030b2
use opt_sep instead of literal '\n' in parser rules for classdef
John W. Eaton <jwe@octave.org>
parents:
13249
diff
changeset
|
1489 methods_block : methods_beg opt_attr_list opt_sep methods_list opt_sep END |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1490 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1491 ; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10250
diff
changeset
|
1492 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1493 methods_list : function |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1494 { $$ = 0; } |
13250
f6bbdea030b2
use opt_sep instead of literal '\n' in parser rules for classdef
John W. Eaton <jwe@octave.org>
parents:
13249
diff
changeset
|
1495 | methods_list opt_sep function |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1496 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1497 ; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1498 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1499 events_beg : EVENTS stash_comment |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1500 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10250
diff
changeset
|
1501 ; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1502 |
13250
f6bbdea030b2
use opt_sep instead of literal '\n' in parser rules for classdef
John W. Eaton <jwe@octave.org>
parents:
13249
diff
changeset
|
1503 events_block : events_beg opt_attr_list opt_sep events_list opt_sep END |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1504 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1505 ; |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1506 |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1507 events_list : class_event |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1508 { $$ = 0; } |
13250
f6bbdea030b2
use opt_sep instead of literal '\n' in parser rules for classdef
John W. Eaton <jwe@octave.org>
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13249
diff
changeset
|
1509 | events_list opt_sep class_event |
10315
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1510 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1511 ; |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1512 |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1513 class_event : identifier |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1514 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1515 ; |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
1516 |
13249
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
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13246
diff
changeset
|
1517 enum_beg : ENUMERATION stash_comment |
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1518 { $$ = 0; } |
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1519 ; |
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1520 |
13250
f6bbdea030b2
use opt_sep instead of literal '\n' in parser rules for classdef
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1521 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>
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13246
diff
changeset
|
1522 { $$ = 0; } |
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1523 ; |
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1524 |
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1525 enum_list : class_enum |
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1526 { $$ = 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
|
1527 | enum_list opt_sep class_enum |
13249
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1528 { $$ = 0; } |
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1529 ; |
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1530 |
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1531 class_enum : identifier '(' expression ')' |
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1532 { $$ = 0; } |
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1533 ; |
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1534 |
2970 | 1535 // ============= |
1536 // Miscellaneous | |
1537 // ============= | |
1538 | |
16681
d3619d4d267c
recognize character string at beginning of statement (bug #38926, #38958)
John W. Eaton <jwe@octave.org>
parents:
16627
diff
changeset
|
1539 stmt_begin : // empty |
d3619d4d267c
recognize character string at beginning of statement (bug #38926, #38958)
John W. Eaton <jwe@octave.org>
parents:
16627
diff
changeset
|
1540 { 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
|
1541 ; |
d3619d4d267c
recognize character string at beginning of statement (bug #38926, #38958)
John W. Eaton <jwe@octave.org>
parents:
16627
diff
changeset
|
1542 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1543 stash_comment : // empty |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1544 { $$ = octave_comment_buffer::get_comment (); } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1545 ; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1546 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1547 parse_error : LEXICAL_ERROR |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
1548 { parser.bison_error ("parse error"); } |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1549 | error |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1550 ; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1551 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1552 sep_no_nl : ',' |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1553 { $$ = ','; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1554 | ';' |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1555 { $$ = ';'; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1556 | sep_no_nl ',' |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1557 { $$ = $1; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1558 | sep_no_nl ';' |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1559 { $$ = $1; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1560 ; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1561 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1562 opt_sep_no_nl : // empty |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1563 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1564 | sep_no_nl |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1565 { $$ = $1; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1566 ; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1567 |
16203
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
1568 opt_nl : // empty |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
1569 { $$ = 0; } |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
1570 | nl |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
1571 { $$ = $1; } |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
1572 ; |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
1573 |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
1574 nl : '\n' |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
1575 { $$ = '\n'; } |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
1576 | nl '\n' |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
1577 { $$ = $1; } |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
1578 ; |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
1579 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1580 sep : ',' |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1581 { $$ = ','; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1582 | ';' |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1583 { $$ = ';'; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1584 | '\n' |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1585 { $$ = '\n'; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1586 | sep ',' |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1587 { $$ = $1; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1588 | sep ';' |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1589 { $$ = $1; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1590 | sep '\n' |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1591 { $$ = $1; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1592 ; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1593 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1594 opt_sep : // empty |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1595 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1596 | sep |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1597 { $$ = $1; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1598 ; |
2525 | 1599 |
1 | 1600 %% |
1601 | |
666 | 1602 // Generic error messages. |
1603 | |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
1604 #undef lexer |
16149
49dfba4fd3c5
use pure parser and reentrant lexer interfaces
John W. Eaton <jwe@octave.org>
parents:
16147
diff
changeset
|
1605 |
1 | 1606 static void |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
1607 yyerror (octave_base_parser& parser, const char *s) |
1 | 1608 { |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
1609 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
|
1610 } |
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
|
1611 |
16287
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
1612 octave_base_parser::~octave_base_parser (void) |
16157
335041cc657a
optionally use push parser interface
John W. Eaton <jwe@octave.org>
parents:
16153
diff
changeset
|
1613 { |
16177
a7669b4d27f6
eliminate global global_command variable
John W. Eaton <jwe@octave.org>
parents:
16174
diff
changeset
|
1614 delete stmt_list; |
a7669b4d27f6
eliminate global global_command variable
John W. Eaton <jwe@octave.org>
parents:
16174
diff
changeset
|
1615 |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
1616 delete &lexer; |
16157
335041cc657a
optionally use push parser interface
John W. Eaton <jwe@octave.org>
parents:
16153
diff
changeset
|
1617 } |
16287
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
1618 |
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
1619 void octave_base_parser::init (void) |
16157
335041cc657a
optionally use push parser interface
John W. Eaton <jwe@octave.org>
parents:
16153
diff
changeset
|
1620 { |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
1621 LEXER = &lexer; |
16157
335041cc657a
optionally use push parser interface
John W. Eaton <jwe@octave.org>
parents:
16153
diff
changeset
|
1622 } |
335041cc657a
optionally use push parser interface
John W. Eaton <jwe@octave.org>
parents:
16153
diff
changeset
|
1623 |
16177
a7669b4d27f6
eliminate global global_command variable
John W. Eaton <jwe@octave.org>
parents:
16174
diff
changeset
|
1624 void |
16287
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
1625 octave_base_parser::reset (void) |
16177
a7669b4d27f6
eliminate global global_command variable
John W. Eaton <jwe@octave.org>
parents:
16174
diff
changeset
|
1626 { |
16574
b678d2d10e53
reset parser state on parse error (bug #38840)
John W. Eaton <jwe@octave.org>
parents:
16442
diff
changeset
|
1627 endfunction_found = false; |
b678d2d10e53
reset parser state on parse error (bug #38840)
John W. Eaton <jwe@octave.org>
parents:
16442
diff
changeset
|
1628 autoloading = false; |
b678d2d10e53
reset parser state on parse error (bug #38840)
John W. Eaton <jwe@octave.org>
parents:
16442
diff
changeset
|
1629 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
|
1630 parsing_subfunctions = false; |
b678d2d10e53
reset parser state on parse error (bug #38840)
John W. Eaton <jwe@octave.org>
parents:
16442
diff
changeset
|
1631 max_fcn_depth = 0; |
b678d2d10e53
reset parser state on parse error (bug #38840)
John W. Eaton <jwe@octave.org>
parents:
16442
diff
changeset
|
1632 curr_fcn_depth = 0; |
b678d2d10e53
reset parser state on parse error (bug #38840)
John W. Eaton <jwe@octave.org>
parents:
16442
diff
changeset
|
1633 primary_fcn_scope = -1; |
b678d2d10e53
reset parser state on parse error (bug #38840)
John W. Eaton <jwe@octave.org>
parents:
16442
diff
changeset
|
1634 curr_class_name = ""; |
b678d2d10e53
reset parser state on parse error (bug #38840)
John W. Eaton <jwe@octave.org>
parents:
16442
diff
changeset
|
1635 function_scopes.clear (); |
b678d2d10e53
reset parser state on parse error (bug #38840)
John W. Eaton <jwe@octave.org>
parents:
16442
diff
changeset
|
1636 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
|
1637 subfunction_names.clear (); |
16574
b678d2d10e53
reset parser state on parse error (bug #38840)
John W. Eaton <jwe@octave.org>
parents:
16442
diff
changeset
|
1638 |
16177
a7669b4d27f6
eliminate global global_command variable
John W. Eaton <jwe@octave.org>
parents:
16174
diff
changeset
|
1639 delete stmt_list; |
a7669b4d27f6
eliminate global global_command variable
John W. Eaton <jwe@octave.org>
parents:
16174
diff
changeset
|
1640 stmt_list = 0; |
a7669b4d27f6
eliminate global global_command variable
John W. Eaton <jwe@octave.org>
parents:
16174
diff
changeset
|
1641 |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
1642 lexer.reset (); |
16138
284e2ca86ef7
execute parser using member function of octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16136
diff
changeset
|
1643 } |
284e2ca86ef7
execute parser using member function of octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16136
diff
changeset
|
1644 |
666 | 1645 // Error mesages for mismatched end tokens. |
1646 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
1647 void |
16287
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
1648 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
|
1649 int l, int c) |
496 | 1650 { |
2805 | 1651 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
|
1652 = "'%s' command matched by '%s' near line %d column %d"; |
496 | 1653 |
1654 switch (ettype) | |
1655 { | |
1656 case token::simple_end: | |
1657 error (fmt, type, "end", l, c); | |
1658 break; | |
777 | 1659 |
496 | 1660 case token::for_end: |
1661 error (fmt, type, "endfor", l, c); | |
1662 break; | |
777 | 1663 |
496 | 1664 case token::function_end: |
1665 error (fmt, type, "endfunction", l, c); | |
1666 break; | |
777 | 1667 |
9476 | 1668 case token::classdef_end: |
1669 error (fmt, type, "endclassdef", l, c); | |
1670 break; | |
1671 | |
496 | 1672 case token::if_end: |
1673 error (fmt, type, "endif", l, c); | |
1674 break; | |
777 | 1675 |
3233 | 1676 case token::switch_end: |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
1677 error (fmt, type, "endswitch", l, c); |
3233 | 1678 break; |
1679 | |
496 | 1680 case token::while_end: |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
1681 error (fmt, type, "endwhile", l, c); |
496 | 1682 break; |
777 | 1683 |
5400 | 1684 case token::try_catch_end: |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
1685 error (fmt, type, "end_try_catch", l, c); |
5400 | 1686 break; |
1687 | |
1371 | 1688 case token::unwind_protect_end: |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
1689 error (fmt, type, "end_unwind_protect", l, c); |
1371 | 1690 break; |
1691 | |
496 | 1692 default: |
1693 panic_impossible (); | |
1694 break; | |
1695 } | |
1696 } | |
1697 | |
666 | 1698 // Check to see that end tokens are properly matched. |
1699 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
1700 bool |
16287
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
1701 octave_base_parser::end_token_ok (token *tok, token::end_tok_type expected) |
143 | 1702 { |
2857 | 1703 bool retval = true; |
1704 | |
143 | 1705 token::end_tok_type ettype = tok->ettype (); |
2857 | 1706 |
143 | 1707 if (ettype != expected && ettype != token::simple_end) |
1708 { | |
2857 | 1709 retval = false; |
1710 | |
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
|
1711 bison_error ("parse error"); |
143 | 1712 |
1713 int l = tok->line (); | |
1714 int c = tok->column (); | |
1715 | |
1716 switch (expected) | |
10315
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|
1717 { |
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changeset
|
1718 case token::classdef_end: |
57a59eae83cc
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|
1719 end_error ("classdef", ettype, l, c); |
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|
1720 break; |
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diff
changeset
|
1721 |
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|
1722 case token::for_end: |
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1723 end_error ("for", ettype, l, c); |
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|
1724 break; |
57a59eae83cc
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diff
changeset
|
1725 |
13249
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
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13246
diff
changeset
|
1726 case token::enumeration_end: |
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
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13246
diff
changeset
|
1727 end_error ("enumeration", ettype, l, c); |
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1728 break; |
7861a5fd3479
accept enumeration keyword
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13246
diff
changeset
|
1729 |
10315
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|
1730 case token::function_end: |
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|
1731 end_error ("function", ettype, l, c); |
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|
1732 break; |
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|
1733 |
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|
1734 case token::if_end: |
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|
1735 end_error ("if", ettype, l, c); |
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|
1736 break; |
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|
1737 |
13246 | 1738 case token::parfor_end: |
1739 end_error ("parfor", ettype, l, c); | |
1740 break; | |
1741 | |
10315
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|
1742 case token::try_catch_end: |
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|
1743 end_error ("try", ettype, l, c); |
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|
1744 break; |
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|
1745 |
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|
1746 case token::switch_end: |
57a59eae83cc
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|
1747 end_error ("switch", ettype, l, c); |
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|
1748 break; |
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|
1749 |
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|
1750 case token::unwind_protect_end: |
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|
1751 end_error ("unwind_protect", ettype, l, c); |
57a59eae83cc
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|
1752 break; |
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|
1753 |
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|
1754 case token::while_end: |
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|
1755 end_error ("while", ettype, l, c); |
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changeset
|
1756 break; |
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changeset
|
1757 |
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|
1758 default: |
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changeset
|
1759 panic_impossible (); |
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changeset
|
1760 break; |
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|
1761 } |
143 | 1762 } |
2857 | 1763 |
1764 return retval; | |
143 | 1765 } |
1766 | |
666 | 1767 // Maybe print a warning if an assignment expression is used as the |
1768 // test in a logical expression. | |
1769 | |
16134
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move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
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diff
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|
1770 void |
16287
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1771 octave_base_parser::maybe_warn_assign_as_truth_value (tree_expression *expr) |
1 | 1772 { |
5781 | 1773 if (expr->is_assignment_expression () |
2961 | 1774 && expr->paren_count () < 2) |
1 | 1775 { |
16288
fe3b9a51e625
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John W. Eaton <jwe@octave.org>
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changeset
|
1776 if (lexer.fcn_file_full_name.empty ()) |
10315
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|
1777 warning_with_id |
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|
1778 ("Octave:assign-as-truth-value", |
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1779 "suggest parenthesis around assignment used as truth value"); |
8974
fde2a916b2ac
include line and file info in parser warnings
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1780 else |
10315
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changeset
|
1781 warning_with_id |
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|
1782 ("Octave:assign-as-truth-value", |
15466
d174210ce1ec
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John W. Eaton <jwe@octave.org>
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14189
diff
changeset
|
1783 "suggest parenthesis around assignment used as truth value near line %d, column %d in file '%s'", |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1784 expr->line (), expr->column (), lexer.fcn_file_full_name.c_str ()); |
1 | 1785 } |
1786 } | |
578 | 1787 |
2764 | 1788 // Maybe print a warning about switch labels that aren't constants. |
1789 | |
16134
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move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
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|
1790 void |
16287
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1791 octave_base_parser::maybe_warn_variable_switch_label (tree_expression *expr) |
2764 | 1792 { |
5781 | 1793 if (! expr->is_constant ()) |
8974
fde2a916b2ac
include line and file info in parser warnings
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1794 { |
16288
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John W. Eaton <jwe@octave.org>
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changeset
|
1795 if (lexer.fcn_file_full_name.empty ()) |
10315
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untabify src C++ source files
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|
1796 warning_with_id ("Octave:variable-switch-label", |
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untabify src C++ source files
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|
1797 "variable switch label"); |
8974
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diff
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|
1798 else |
10315
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changeset
|
1799 warning_with_id |
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|
1800 ("Octave:variable-switch-label", |
15466
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John W. Eaton <jwe@octave.org>
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changeset
|
1801 "variable switch label near line %d, column %d in file '%s'", |
16288
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changeset
|
1802 expr->line (), expr->column (), lexer.fcn_file_full_name.c_str ()); |
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1803 } |
2764 | 1804 } |
1805 | |
2533 | 1806 static tree_expression * |
1807 fold (tree_binary_expression *e) | |
1808 { | |
3110 | 1809 tree_expression *retval = e; |
1810 | |
10067
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|
1811 unwind_protect frame; |
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|
1812 |
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|
1813 frame.protect_var (error_state); |
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changeset
|
1814 frame.protect_var (warning_state); |
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1815 |
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1816 frame.protect_var (discard_error_messages); |
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diff
changeset
|
1817 frame.protect_var (discard_warning_messages); |
4452 | 1818 |
3815 | 1819 discard_error_messages = true; |
4452 | 1820 discard_warning_messages = true; |
2533 | 1821 |
1822 tree_expression *op1 = e->lhs (); | |
1823 tree_expression *op2 = e->rhs (); | |
1824 | |
13844
e48529b3dbd4
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|
1825 if (op1->is_constant () && op2->is_constant ()) |
2533 | 1826 { |
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|
1827 octave_value tmp = e->rvalue1 (); |
2533 | 1828 |
3489 | 1829 if (! (error_state || warning_state)) |
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1830 { |
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1831 tree_constant *tc_retval |
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1832 = new tree_constant (tmp, op1->line (), op1->column ()); |
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1833 |
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1834 std::ostringstream buf; |
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1835 |
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1836 tree_print_code tpc (buf); |
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1837 |
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1838 e->accept (tpc); |
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1839 |
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1840 tc_retval->stash_original_text (buf.str ()); |
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1841 |
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1842 delete e; |
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1843 |
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1844 retval = tc_retval; |
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1845 } |
2533 | 1846 } |
3110 | 1847 |
3292 | 1848 return retval; |
1849 } | |
1850 | |
1851 static tree_expression * | |
1852 fold (tree_unary_expression *e) | |
1853 { | |
1854 tree_expression *retval = e; | |
1855 | |
10067
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|
1856 unwind_protect frame; |
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1857 |
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|
1858 frame.protect_var (error_state); |
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changeset
|
1859 frame.protect_var (warning_state); |
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1860 |
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1861 frame.protect_var (discard_error_messages); |
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changeset
|
1862 frame.protect_var (discard_warning_messages); |
4452 | 1863 |
3815 | 1864 discard_error_messages = true; |
4452 | 1865 discard_warning_messages = true; |
3292 | 1866 |
1867 tree_expression *op = e->operand (); | |
1868 | |
1869 if (op->is_constant ()) | |
1870 { | |
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changeset
|
1871 octave_value tmp = e->rvalue1 (); |
3292 | 1872 |
3489 | 1873 if (! (error_state || warning_state)) |
10315
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1874 { |
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|
1875 tree_constant *tc_retval |
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changeset
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1876 = new tree_constant (tmp, op->line (), op->column ()); |
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1877 |
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|
1878 std::ostringstream buf; |
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1879 |
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changeset
|
1880 tree_print_code tpc (buf); |
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1881 |
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1882 e->accept (tpc); |
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1883 |
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1884 tc_retval->stash_original_text (buf.str ()); |
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1885 |
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1886 delete e; |
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1887 |
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1888 retval = tc_retval; |
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1889 } |
3292 | 1890 } |
1891 | |
2533 | 1892 return retval; |
1893 } | |
1894 | |
1623 | 1895 // Finish building a range. |
1896 | |
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1897 tree_expression * |
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1898 octave_base_parser::finish_colon_expression (tree_colon_expression *e) |
1623 | 1899 { |
3110 | 1900 tree_expression *retval = e; |
1901 | |
10067
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1902 unwind_protect frame; |
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1903 |
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1904 frame.protect_var (error_state); |
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1905 frame.protect_var (warning_state); |
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1906 |
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1907 frame.protect_var (discard_error_messages); |
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1908 frame.protect_var (discard_warning_messages); |
4452 | 1909 |
3815 | 1910 discard_error_messages = true; |
4452 | 1911 discard_warning_messages = true; |
1623 | 1912 |
2533 | 1913 tree_expression *base = e->base (); |
1914 tree_expression *limit = e->limit (); | |
1915 tree_expression *incr = e->increment (); | |
1916 | |
2970 | 1917 if (base) |
1623 | 1918 { |
2970 | 1919 if (limit) |
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1920 { |
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1921 if (base->is_constant () && limit->is_constant () |
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1922 && (! incr || (incr && incr->is_constant ()))) |
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1923 { |
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1924 octave_value tmp = e->rvalue1 (); |
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1925 |
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1926 if (! (error_state || warning_state)) |
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1927 { |
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1928 tree_constant *tc_retval |
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1929 = new tree_constant (tmp, base->line (), base->column ()); |
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1930 |
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1931 std::ostringstream buf; |
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1932 |
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1933 tree_print_code tpc (buf); |
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1934 |
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1935 e->accept (tpc); |
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1936 |
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1937 tc_retval->stash_original_text (buf.str ()); |
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1938 |
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1939 delete e; |
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1940 |
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1941 retval = tc_retval; |
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1942 } |
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1943 } |
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1944 } |
2533 | 1945 else |
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1946 { |
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1947 e->preserve_base (); |
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1948 delete e; |
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1949 |
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1950 // FIXME -- need to attempt constant folding here |
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1951 // too (we need a generic way to do that). |
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1952 retval = base; |
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1953 } |
1623 | 1954 } |
1955 | |
1956 return retval; | |
1957 } | |
1958 | |
1607 | 1959 // Make a constant. |
1960 | |
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1961 tree_constant * |
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1962 octave_base_parser::make_constant (int op, token *tok_val) |
1607 | 1963 { |
1964 int l = tok_val->line (); | |
1965 int c = tok_val->column (); | |
1966 | |
3216 | 1967 tree_constant *retval = 0; |
1607 | 1968 |
1969 switch (op) | |
1970 { | |
1971 case NUM: | |
2533 | 1972 { |
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1973 octave_value tmp (tok_val->number ()); |
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1974 retval = new tree_constant (tmp, l, c); |
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1975 retval->stash_original_text (tok_val->text_rep ()); |
2533 | 1976 } |
1607 | 1977 break; |
1978 | |
1979 case IMAG_NUM: | |
1980 { | |
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1981 octave_value tmp (Complex (0.0, tok_val->number ())); |
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1982 retval = new tree_constant (tmp, l, c); |
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1983 retval->stash_original_text (tok_val->text_rep ()); |
1607 | 1984 } |
1985 break; | |
1986 | |
5279 | 1987 case DQ_STRING: |
1988 case SQ_STRING: | |
2883 | 1989 { |
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1990 std::string txt = tok_val->text (); |
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1991 |
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1992 char delim = op == DQ_STRING ? '"' : '\''; |
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1993 octave_value tmp (txt, delim); |
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1994 |
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1995 if (txt.empty ()) |
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1996 { |
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1997 if (op == DQ_STRING) |
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1998 tmp = octave_null_str::instance; |
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1999 else |
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2000 tmp = octave_null_sq_str::instance; |
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2001 } |
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2002 |
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2003 retval = new tree_constant (tmp, l, c); |
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2004 |
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2005 if (op == DQ_STRING) |
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2006 txt = undo_string_escapes (txt); |
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2007 |
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2008 // FIXME -- maybe this should also be handled by |
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2009 // tok_val->text_rep () for character strings? |
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2010 retval->stash_original_text (delim + txt + delim); |
2883 | 2011 } |
1607 | 2012 break; |
2013 | |
2014 default: | |
2015 panic_impossible (); | |
2016 break; | |
2017 } | |
2018 | |
2019 return retval; | |
2020 } | |
2021 | |
4342 | 2022 // Make a function handle. |
2023 | |
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2024 tree_fcn_handle * |
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2025 octave_base_parser::make_fcn_handle (token *tok_val) |
4342 | 2026 { |
2027 int l = tok_val->line (); | |
2028 int c = tok_val->column (); | |
2029 | |
2030 tree_fcn_handle *retval = new tree_fcn_handle (tok_val->text (), l, c); | |
2031 | |
2032 return retval; | |
2033 } | |
2034 | |
4935 | 2035 // Make an anonymous function handle. |
2036 | |
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2037 tree_anon_fcn_handle * |
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2038 octave_base_parser::make_anon_fcn_handle (tree_parameter_list *param_list, |
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2039 tree_statement *stmt) |
4935 | 2040 { |
5775 | 2041 // FIXME -- need to get these from the location of the @ symbol. |
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2042 int l = lexer.input_line_number; |
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2043 int c = lexer.current_input_column; |
4935 | 2044 |
2045 tree_parameter_list *ret_list = 0; | |
2046 | |
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2047 symbol_table::scope_id fcn_scope = lexer.symtab_context.curr_scope (); |
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2048 |
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2049 if (lexer.symtab_context.empty ()) |
5861 | 2050 panic_impossible (); |
2051 | |
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2052 lexer.symtab_context.pop (); |
5861 | 2053 |
7351 | 2054 stmt->set_print_flag (false); |
4935 | 2055 |
2056 tree_statement_list *body = new tree_statement_list (stmt); | |
2057 | |
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2058 body->mark_as_anon_function_body (); |
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2059 |
5861 | 2060 tree_anon_fcn_handle *retval |
7336 | 2061 = new tree_anon_fcn_handle (param_list, ret_list, body, fcn_scope, l, c); |
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2062 // FIXME: Stash the filename. This does not work and produces |
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2063 // errors when executed. |
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2064 //retval->stash_file_name (lexer.fcn_file_name); |
4935 | 2065 |
2066 return retval; | |
2067 } | |
2068 | |
666 | 2069 // Build a binary expression. |
2070 | |
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2071 tree_expression * |
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2072 octave_base_parser::make_binary_op (int op, tree_expression *op1, |
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2073 token *tok_val, tree_expression *op2) |
578 | 2074 { |
2883 | 2075 octave_value::binary_op t = octave_value::unknown_binary_op; |
1623 | 2076 |
578 | 2077 switch (op) |
2078 { | |
2079 case POW: | |
3525 | 2080 t = octave_value::op_pow; |
578 | 2081 break; |
777 | 2082 |
578 | 2083 case EPOW: |
3525 | 2084 t = octave_value::op_el_pow; |
578 | 2085 break; |
777 | 2086 |
578 | 2087 case '+': |
3525 | 2088 t = octave_value::op_add; |
578 | 2089 break; |
777 | 2090 |
578 | 2091 case '-': |
3525 | 2092 t = octave_value::op_sub; |
578 | 2093 break; |
777 | 2094 |
578 | 2095 case '*': |
3525 | 2096 t = octave_value::op_mul; |
578 | 2097 break; |
777 | 2098 |
578 | 2099 case '/': |
3525 | 2100 t = octave_value::op_div; |
578 | 2101 break; |
777 | 2102 |
578 | 2103 case EMUL: |
3525 | 2104 t = octave_value::op_el_mul; |
578 | 2105 break; |
777 | 2106 |
578 | 2107 case EDIV: |
3525 | 2108 t = octave_value::op_el_div; |
578 | 2109 break; |
777 | 2110 |
578 | 2111 case LEFTDIV: |
3525 | 2112 t = octave_value::op_ldiv; |
578 | 2113 break; |
777 | 2114 |
578 | 2115 case ELEFTDIV: |
3525 | 2116 t = octave_value::op_el_ldiv; |
578 | 2117 break; |
777 | 2118 |
2899 | 2119 case LSHIFT: |
3525 | 2120 t = octave_value::op_lshift; |
2899 | 2121 break; |
2122 | |
2123 case RSHIFT: | |
3525 | 2124 t = octave_value::op_rshift; |
2899 | 2125 break; |
2126 | |
578 | 2127 case EXPR_LT: |
3525 | 2128 t = octave_value::op_lt; |
578 | 2129 break; |
777 | 2130 |
578 | 2131 case EXPR_LE: |
3525 | 2132 t = octave_value::op_le; |
578 | 2133 break; |
777 | 2134 |
578 | 2135 case EXPR_EQ: |
3525 | 2136 t = octave_value::op_eq; |
578 | 2137 break; |
777 | 2138 |
578 | 2139 case EXPR_GE: |
3525 | 2140 t = octave_value::op_ge; |
578 | 2141 break; |
777 | 2142 |
578 | 2143 case EXPR_GT: |
3525 | 2144 t = octave_value::op_gt; |
578 | 2145 break; |
777 | 2146 |
578 | 2147 case EXPR_NE: |
3525 | 2148 t = octave_value::op_ne; |
578 | 2149 break; |
777 | 2150 |
578 | 2151 case EXPR_AND: |
3525 | 2152 t = octave_value::op_el_and; |
578 | 2153 break; |
777 | 2154 |
578 | 2155 case EXPR_OR: |
3525 | 2156 t = octave_value::op_el_or; |
578 | 2157 break; |
777 | 2158 |
578 | 2159 default: |
2160 panic_impossible (); | |
2161 break; | |
2162 } | |
2163 | |
2164 int l = tok_val->line (); | |
2165 int c = tok_val->column (); | |
2166 | |
2533 | 2167 tree_binary_expression *e |
7800
5861b95e9879
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Jaroslav Hajek <highegg@gmail.com>
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7787
diff
changeset
|
2168 = maybe_compound_binary_expression (op1, op2, l, c, t); |
1623 | 2169 |
2533 | 2170 return fold (e); |
578 | 2171 } |
2172 | |
2375 | 2173 // Build a boolean expression. |
666 | 2174 |
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changeset
|
2175 tree_expression * |
16287
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diff
changeset
|
2176 octave_base_parser::make_boolean_op (int op, tree_expression *op1, |
04a7953496a7
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John W. Eaton <jwe@octave.org>
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16285
diff
changeset
|
2177 token *tok_val, tree_expression *op2) |
578 | 2178 { |
2375 | 2179 tree_boolean_expression::type t; |
2180 | |
578 | 2181 switch (op) |
2182 { | |
2375 | 2183 case EXPR_AND_AND: |
2805 | 2184 t = tree_boolean_expression::bool_and; |
578 | 2185 break; |
777 | 2186 |
2375 | 2187 case EXPR_OR_OR: |
2805 | 2188 t = tree_boolean_expression::bool_or; |
578 | 2189 break; |
777 | 2190 |
578 | 2191 default: |
2192 panic_impossible (); | |
2193 break; | |
2194 } | |
2195 | |
2196 int l = tok_val->line (); | |
2197 int c = tok_val->column (); | |
2198 | |
2533 | 2199 tree_boolean_expression *e |
2200 = new tree_boolean_expression (op1, op2, l, c, t); | |
2375 | 2201 |
2533 | 2202 return fold (e); |
578 | 2203 } |
2204 | |
2375 | 2205 // Build a prefix expression. |
666 | 2206 |
16134
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John W. Eaton <jwe@octave.org>
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changeset
|
2207 tree_expression * |
16287
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|
2208 octave_base_parser::make_prefix_op (int op, tree_expression *op1, |
04a7953496a7
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changeset
|
2209 token *tok_val) |
578 | 2210 { |
3203 | 2211 octave_value::unary_op t = octave_value::unknown_unary_op; |
2375 | 2212 |
578 | 2213 switch (op) |
2214 { | |
2960 | 2215 case EXPR_NOT: |
3525 | 2216 t = octave_value::op_not; |
2960 | 2217 break; |
2218 | |
4965 | 2219 case '+': |
2220 t = octave_value::op_uplus; | |
2221 break; | |
2222 | |
2960 | 2223 case '-': |
3525 | 2224 t = octave_value::op_uminus; |
2960 | 2225 break; |
2226 | |
578 | 2227 case PLUS_PLUS: |
3525 | 2228 t = octave_value::op_incr; |
578 | 2229 break; |
777 | 2230 |
578 | 2231 case MINUS_MINUS: |
3525 | 2232 t = octave_value::op_decr; |
578 | 2233 break; |
777 | 2234 |
578 | 2235 default: |
2236 panic_impossible (); | |
2237 break; | |
2238 } | |
2239 | |
2240 int l = tok_val->line (); | |
2241 int c = tok_val->column (); | |
2242 | |
3292 | 2243 tree_prefix_expression *e |
2244 = new tree_prefix_expression (op1, l, c, t); | |
2245 | |
2246 return fold (e); | |
578 | 2247 } |
2248 | |
2375 | 2249 // Build a postfix expression. |
666 | 2250 |
16134
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John W. Eaton <jwe@octave.org>
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changeset
|
2251 tree_expression * |
16287
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changeset
|
2252 octave_base_parser::make_postfix_op (int op, tree_expression *op1, |
04a7953496a7
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John W. Eaton <jwe@octave.org>
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changeset
|
2253 token *tok_val) |
578 | 2254 { |
3203 | 2255 octave_value::unary_op t = octave_value::unknown_unary_op; |
1623 | 2256 |
578 | 2257 switch (op) |
2258 { | |
16284
09881dab3aaf
* lex.ll, oct-parse.in.yy (HERMITIAN): Rename token from QUOTE.
John W. Eaton <jwe@octave.org>
parents:
16279
diff
changeset
|
2259 case HERMITIAN: |
3525 | 2260 t = octave_value::op_hermitian; |
2960 | 2261 break; |
2262 | |
2263 case TRANSPOSE: | |
3525 | 2264 t = octave_value::op_transpose; |
2960 | 2265 break; |
2266 | |
2375 | 2267 case PLUS_PLUS: |
3525 | 2268 t = octave_value::op_incr; |
578 | 2269 break; |
777 | 2270 |
2375 | 2271 case MINUS_MINUS: |
3525 | 2272 t = octave_value::op_decr; |
578 | 2273 break; |
777 | 2274 |
578 | 2275 default: |
2276 panic_impossible (); | |
2277 break; | |
2278 } | |
2279 | |
2280 int l = tok_val->line (); | |
2281 int c = tok_val->column (); | |
2282 | |
3292 | 2283 tree_postfix_expression *e |
2284 = new tree_postfix_expression (op1, l, c, t); | |
2285 | |
2286 return fold (e); | |
1623 | 2287 } |
2288 | |
2289 // Build an unwind-protect command. | |
2290 | |
16134
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move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
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changeset
|
2291 tree_command * |
16287
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diff
changeset
|
2292 octave_base_parser::make_unwind_command (token *unwind_tok, |
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|
2293 tree_statement_list *body, |
04a7953496a7
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diff
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|
2294 tree_statement_list *cleanup_stmts, |
04a7953496a7
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diff
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|
2295 token *end_tok, |
04a7953496a7
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diff
changeset
|
2296 octave_comment_list *lc, |
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
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16285
diff
changeset
|
2297 octave_comment_list *mc) |
1623 | 2298 { |
2299 tree_command *retval = 0; | |
2300 | |
2857 | 2301 if (end_token_ok (end_tok, token::unwind_protect_end)) |
1623 | 2302 { |
3665 | 2303 octave_comment_list *tc = octave_comment_buffer::get_comment (); |
2304 | |
1623 | 2305 int l = unwind_tok->line (); |
2306 int c = unwind_tok->column (); | |
2307 | |
16136
ed36d5543b27
don't declare octave_parser member functions static
John W. Eaton <jwe@octave.org>
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16134
diff
changeset
|
2308 retval = new tree_unwind_protect_command (body, cleanup_stmts, |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2309 lc, mc, tc, l, c); |
1623 | 2310 } |
17632
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John W. Eaton <jwe@octave.org>
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|
2311 else |
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|
2312 { |
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|
2313 delete body; |
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|
2314 delete cleanup_stmts; |
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|
2315 } |
1623 | 2316 |
2317 return retval; | |
2318 } | |
2319 | |
2320 // Build a try-catch command. | |
2321 | |
16134
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John W. Eaton <jwe@octave.org>
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|
2322 tree_command * |
16287
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|
2323 octave_base_parser::make_try_command (token *try_tok, |
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changeset
|
2324 tree_statement_list *body, |
17283
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eliminate parse conflicts introduced by changeset 923ce8b42db2
John W. Eaton <jwe@octave.org>
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17281
diff
changeset
|
2325 char catch_sep, |
16287
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changeset
|
2326 tree_statement_list *cleanup_stmts, |
04a7953496a7
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diff
changeset
|
2327 token *end_tok, |
04a7953496a7
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John W. Eaton <jwe@octave.org>
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|
2328 octave_comment_list *lc, |
04a7953496a7
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
2329 octave_comment_list *mc) |
1623 | 2330 { |
2331 tree_command *retval = 0; | |
2332 | |
2857 | 2333 if (end_token_ok (end_tok, token::try_catch_end)) |
1623 | 2334 { |
3665 | 2335 octave_comment_list *tc = octave_comment_buffer::get_comment (); |
2336 | |
1623 | 2337 int l = try_tok->line (); |
2338 int c = try_tok->column (); | |
2339 | |
17283
e6c0ac8ce5b6
eliminate parse conflicts introduced by changeset 923ce8b42db2
John W. Eaton <jwe@octave.org>
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17281
diff
changeset
|
2340 tree_identifier *id = 0; |
e6c0ac8ce5b6
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John W. Eaton <jwe@octave.org>
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changeset
|
2341 |
e6c0ac8ce5b6
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17281
diff
changeset
|
2342 if (! catch_sep && cleanup_stmts && ! cleanup_stmts->empty ()) |
e6c0ac8ce5b6
eliminate parse conflicts introduced by changeset 923ce8b42db2
John W. Eaton <jwe@octave.org>
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changeset
|
2343 { |
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17281
diff
changeset
|
2344 tree_statement *stmt = cleanup_stmts->front (); |
e6c0ac8ce5b6
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|
2345 |
e6c0ac8ce5b6
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diff
changeset
|
2346 if (stmt) |
e6c0ac8ce5b6
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17281
diff
changeset
|
2347 { |
e6c0ac8ce5b6
eliminate parse conflicts introduced by changeset 923ce8b42db2
John W. Eaton <jwe@octave.org>
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changeset
|
2348 tree_expression *expr = stmt->expression (); |
e6c0ac8ce5b6
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|
2349 |
e6c0ac8ce5b6
eliminate parse conflicts introduced by changeset 923ce8b42db2
John W. Eaton <jwe@octave.org>
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changeset
|
2350 if (expr && expr->is_identifier ()) |
e6c0ac8ce5b6
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John W. Eaton <jwe@octave.org>
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changeset
|
2351 { |
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changeset
|
2352 id = dynamic_cast<tree_identifier *> (expr); |
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|
2353 |
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changeset
|
2354 cleanup_stmts->pop_front (); |
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|
2355 } |
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|
2356 } |
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|
2357 } |
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changeset
|
2358 |
17249
923ce8b42db2
improve try-catch-statement to save exception to a variable (bug #33217)
Stefan Mahr <dac922@gmx.de>
parents:
17170
diff
changeset
|
2359 retval = new tree_try_catch_command (body, cleanup_stmts, id, |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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changeset
|
2360 lc, mc, tc, l, c); |
1623 | 2361 } |
17632
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|
2362 else |
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|
2363 { |
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|
2364 delete body; |
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|
2365 delete cleanup_stmts; |
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John W. Eaton <jwe@octave.org>
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|
2366 } |
1623 | 2367 |
2368 return retval; | |
2369 } | |
2370 | |
2371 // Build a while command. | |
2372 | |
16134
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|
2373 tree_command * |
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|
2374 octave_base_parser::make_while_command (token *while_tok, |
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changeset
|
2375 tree_expression *expr, |
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2376 tree_statement_list *body, |
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|
2377 token *end_tok, |
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changeset
|
2378 octave_comment_list *lc) |
1623 | 2379 { |
2380 tree_command *retval = 0; | |
2381 | |
2382 maybe_warn_assign_as_truth_value (expr); | |
2383 | |
2857 | 2384 if (end_token_ok (end_tok, token::while_end)) |
1623 | 2385 { |
3665 | 2386 octave_comment_list *tc = octave_comment_buffer::get_comment (); |
2387 | |
16288
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changeset
|
2388 lexer.looping--; |
1623 | 2389 |
2390 int l = while_tok->line (); | |
2391 int c = while_tok->column (); | |
2392 | |
3665 | 2393 retval = new tree_while_command (expr, body, lc, tc, l, c); |
1623 | 2394 } |
17632
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|
2395 else |
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changeset
|
2396 { |
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changeset
|
2397 delete expr; |
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|
2398 delete body; |
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|
2399 } |
1623 | 2400 |
2401 return retval; | |
2402 } | |
2403 | |
3484 | 2404 // Build a do-until command. |
2405 | |
16134
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|
2406 tree_command * |
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2407 octave_base_parser::make_do_until_command (token *until_tok, |
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2408 tree_statement_list *body, |
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2409 tree_expression *expr, |
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changeset
|
2410 octave_comment_list *lc) |
3484 | 2411 { |
2412 maybe_warn_assign_as_truth_value (expr); | |
2413 | |
3665 | 2414 octave_comment_list *tc = octave_comment_buffer::get_comment (); |
2415 | |
16288
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changeset
|
2416 lexer.looping--; |
3484 | 2417 |
8658
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changeset
|
2418 int l = until_tok->line (); |
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changeset
|
2419 int c = until_tok->column (); |
3484 | 2420 |
17632
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further reduce memory leaks from parse errors (bug #40231)
John W. Eaton <jwe@octave.org>
parents:
17629
diff
changeset
|
2421 return new tree_do_until_command (expr, body, lc, tc, l, c); |
3484 | 2422 } |
2423 | |
1623 | 2424 // Build a for command. |
2425 | |
16134
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move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2426 tree_command * |
16287
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create base class for parser; use reference for curr_lexer
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diff
changeset
|
2427 octave_base_parser::make_for_command (int tok_id, token *for_tok, |
04a7953496a7
create base class for parser; use reference for curr_lexer
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diff
changeset
|
2428 tree_argument_list *lhs, |
04a7953496a7
create base class for parser; use reference for curr_lexer
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diff
changeset
|
2429 tree_expression *expr, |
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2430 tree_expression *maxproc, |
04a7953496a7
create base class for parser; use reference for curr_lexer
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diff
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|
2431 tree_statement_list *body, |
04a7953496a7
create base class for parser; use reference for curr_lexer
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diff
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|
2432 token *end_tok, |
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2433 octave_comment_list *lc) |
1623 | 2434 { |
2435 tree_command *retval = 0; | |
2436 | |
13245
027a2186cd90
parfor keyword and infrastructure, but handle parfor as normal for loop for now
John W. Eaton <jwe@octave.org>
parents:
13241
diff
changeset
|
2437 bool parfor = tok_id == PARFOR; |
027a2186cd90
parfor keyword and infrastructure, but handle parfor as normal for loop for now
John W. Eaton <jwe@octave.org>
parents:
13241
diff
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|
2438 |
027a2186cd90
parfor keyword and infrastructure, but handle parfor as normal for loop for now
John W. Eaton <jwe@octave.org>
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13241
diff
changeset
|
2439 if (end_token_ok (end_tok, parfor ? token::parfor_end : token::for_end)) |
1623 | 2440 { |
3665 | 2441 octave_comment_list *tc = octave_comment_buffer::get_comment (); |
2442 | |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
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16287
diff
changeset
|
2443 lexer.looping--; |
1623 | 2444 |
2445 int l = for_tok->line (); | |
2446 int c = for_tok->column (); | |
2447 | |
2970 | 2448 if (lhs->length () == 1) |
10315
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|
2449 { |
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|
2450 tree_expression *tmp = lhs->remove_front (); |
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|
2451 |
13245
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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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|
2452 retval = new tree_simple_for_command (parfor, tmp, expr, maxproc, |
027a2186cd90
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John W. Eaton <jwe@octave.org>
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|
2453 body, lc, tc, l, c); |
10315
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|
2454 |
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|
2455 delete lhs; |
57a59eae83cc
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changeset
|
2456 } |
2970 | 2457 else |
13245
027a2186cd90
parfor keyword and infrastructure, but handle parfor as normal for loop for now
John W. Eaton <jwe@octave.org>
parents:
13241
diff
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|
2458 { |
027a2186cd90
parfor keyword and infrastructure, but handle parfor as normal for loop for now
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2459 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
|
2460 bison_error ("invalid syntax for parfor statement"); |
13245
027a2186cd90
parfor keyword and infrastructure, but handle parfor as normal for loop for now
John W. Eaton <jwe@octave.org>
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|
2461 else |
027a2186cd90
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John W. Eaton <jwe@octave.org>
parents:
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|
2462 retval = new tree_complex_for_command (lhs, expr, body, |
027a2186cd90
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
2463 lc, tc, l, c); |
027a2186cd90
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John W. Eaton <jwe@octave.org>
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diff
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|
2464 } |
1623 | 2465 } |
17632
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|
2466 else |
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John W. Eaton <jwe@octave.org>
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|
2467 { |
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John W. Eaton <jwe@octave.org>
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|
2468 delete lhs; |
bd0a84de3375
further reduce memory leaks from parse errors (bug #40231)
John W. Eaton <jwe@octave.org>
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|
2469 delete expr; |
bd0a84de3375
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John W. Eaton <jwe@octave.org>
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|
2470 delete maxproc; |
bd0a84de3375
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John W. Eaton <jwe@octave.org>
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|
2471 delete body; |
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John W. Eaton <jwe@octave.org>
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diff
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|
2472 } |
1623 | 2473 |
2474 return retval; | |
2475 } | |
2476 | |
4207 | 2477 // Build a break command. |
2478 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2479 tree_command * |
16287
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
2480 octave_base_parser::make_break_command (token *break_tok) |
1623 | 2481 { |
2620 | 2482 int l = break_tok->line (); |
2483 int c = break_tok->column (); | |
2484 | |
17632
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John W. Eaton <jwe@octave.org>
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changeset
|
2485 return new tree_break_command (l, c); |
1623 | 2486 } |
2487 | |
4207 | 2488 // Build a continue command. |
2489 | |
16134
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move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2490 tree_command * |
16287
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2491 octave_base_parser::make_continue_command (token *continue_tok) |
1623 | 2492 { |
2620 | 2493 int l = continue_tok->line (); |
2494 int c = continue_tok->column (); | |
2495 | |
17632
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John W. Eaton <jwe@octave.org>
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changeset
|
2496 return new tree_continue_command (l, c); |
1623 | 2497 } |
2498 | |
4207 | 2499 // Build a return command. |
2500 | |
16134
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move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
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changeset
|
2501 tree_command * |
16287
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changeset
|
2502 octave_base_parser::make_return_command (token *return_tok) |
1623 | 2503 { |
2620 | 2504 int l = return_tok->line (); |
2505 int c = return_tok->column (); | |
2506 | |
17632
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John W. Eaton <jwe@octave.org>
parents:
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changeset
|
2507 return new tree_return_command (l, c); |
1623 | 2508 } |
2509 | |
2510 // Start an if command. | |
2511 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2512 tree_if_command_list * |
16287
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create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2513 octave_base_parser::start_if_command (tree_expression *expr, |
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2514 tree_statement_list *list) |
1623 | 2515 { |
2516 maybe_warn_assign_as_truth_value (expr); | |
2517 | |
2518 tree_if_clause *t = new tree_if_clause (expr, list); | |
2519 | |
2520 return new tree_if_command_list (t); | |
2521 } | |
2522 | |
2523 // Finish an if command. | |
2524 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2525 tree_if_command * |
16287
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2526 octave_base_parser::finish_if_command (token *if_tok, |
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2527 tree_if_command_list *list, |
04a7953496a7
create base class for parser; use reference for curr_lexer
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diff
changeset
|
2528 token *end_tok, |
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2529 octave_comment_list *lc) |
1623 | 2530 { |
2531 tree_if_command *retval = 0; | |
2532 | |
2857 | 2533 if (end_token_ok (end_tok, token::if_end)) |
1623 | 2534 { |
3665 | 2535 octave_comment_list *tc = octave_comment_buffer::get_comment (); |
2536 | |
1623 | 2537 int l = if_tok->line (); |
2538 int c = if_tok->column (); | |
2539 | |
8842
be7b30a24938
line/column info for switch and if statements
John W. Eaton <jwe@octave.org>
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8828
diff
changeset
|
2540 if (list && ! list->empty ()) |
10315
57a59eae83cc
untabify src C++ source files
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|
2541 { |
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changeset
|
2542 tree_if_clause *elt = list->front (); |
57a59eae83cc
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|
2543 |
57a59eae83cc
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changeset
|
2544 if (elt) |
57a59eae83cc
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changeset
|
2545 { |
57a59eae83cc
untabify src C++ source files
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changeset
|
2546 elt->line (l); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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changeset
|
2547 elt->column (c); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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changeset
|
2548 } |
57a59eae83cc
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diff
changeset
|
2549 } |
8842
be7b30a24938
line/column info for switch and if statements
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diff
changeset
|
2550 |
3665 | 2551 retval = new tree_if_command (list, lc, tc, l, c); |
1623 | 2552 } |
17632
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|
2553 else |
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further reduce memory leaks from parse errors (bug #40231)
John W. Eaton <jwe@octave.org>
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changeset
|
2554 delete list; |
1623 | 2555 |
2556 return retval; | |
2557 } | |
2558 | |
2559 // Build an elseif clause. | |
2560 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
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16133
diff
changeset
|
2561 tree_if_clause * |
16287
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2562 octave_base_parser::make_elseif_clause (token *elseif_tok, |
04a7953496a7
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|
2563 tree_expression *expr, |
04a7953496a7
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changeset
|
2564 tree_statement_list *list, |
04a7953496a7
create base class for parser; use reference for curr_lexer
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changeset
|
2565 octave_comment_list *lc) |
1623 | 2566 { |
2567 maybe_warn_assign_as_truth_value (expr); | |
2568 | |
8658
73c4516fae10
New evaluator and debugger derived from tree-walker class
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changeset
|
2569 int l = elseif_tok->line (); |
73c4516fae10
New evaluator and debugger derived from tree-walker class
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changeset
|
2570 int c = elseif_tok->column (); |
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|
2571 |
73c4516fae10
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changeset
|
2572 return new tree_if_clause (expr, list, lc, l, c); |
1623 | 2573 } |
2574 | |
2764 | 2575 // Finish a switch command. |
2576 | |
16134
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changeset
|
2577 tree_switch_command * |
16287
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changeset
|
2578 octave_base_parser::finish_switch_command (token *switch_tok, |
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|
2579 tree_expression *expr, |
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|
2580 tree_switch_case_list *list, |
04a7953496a7
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|
2581 token *end_tok, |
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changeset
|
2582 octave_comment_list *lc) |
2764 | 2583 { |
2584 tree_switch_command *retval = 0; | |
2585 | |
2857 | 2586 if (end_token_ok (end_tok, token::switch_end)) |
2764 | 2587 { |
3665 | 2588 octave_comment_list *tc = octave_comment_buffer::get_comment (); |
2589 | |
2764 | 2590 int l = switch_tok->line (); |
2591 int c = switch_tok->column (); | |
2592 | |
8842
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line/column info for switch and if statements
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changeset
|
2593 if (list && ! list->empty ()) |
10315
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|
2594 { |
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changeset
|
2595 tree_switch_case *elt = list->front (); |
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|
2596 |
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changeset
|
2597 if (elt) |
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changeset
|
2598 { |
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changeset
|
2599 elt->line (l); |
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|
2600 elt->column (c); |
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changeset
|
2601 } |
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changeset
|
2602 } |
8842
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|
2603 |
3665 | 2604 retval = new tree_switch_command (expr, list, lc, tc, l, c); |
2764 | 2605 } |
17632
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|
2606 else |
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|
2607 { |
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changeset
|
2608 delete expr; |
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|
2609 delete list; |
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|
2610 } |
2764 | 2611 |
2612 return retval; | |
2613 } | |
2614 | |
2615 // Build a switch case. | |
2616 | |
16134
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move static parser helper functions to octave_parser class
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changeset
|
2617 tree_switch_case * |
16287
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changeset
|
2618 octave_base_parser::make_switch_case (token *case_tok, |
04a7953496a7
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|
2619 tree_expression *expr, |
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diff
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|
2620 tree_statement_list *list, |
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diff
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|
2621 octave_comment_list *lc) |
2764 | 2622 { |
2623 maybe_warn_variable_switch_label (expr); | |
2624 | |
8658
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|
2625 int l = case_tok->line (); |
73c4516fae10
New evaluator and debugger derived from tree-walker class
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diff
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|
2626 int c = case_tok->column (); |
73c4516fae10
New evaluator and debugger derived from tree-walker class
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diff
changeset
|
2627 |
73c4516fae10
New evaluator and debugger derived from tree-walker class
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diff
changeset
|
2628 return new tree_switch_case (expr, list, lc, l, c); |
2764 | 2629 } |
2630 | |
1623 | 2631 // Build an assignment to a variable. |
2632 | |
16134
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John W. Eaton <jwe@octave.org>
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|
2633 tree_expression * |
16287
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diff
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|
2634 octave_base_parser::make_assign_op (int op, tree_argument_list *lhs, |
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|
2635 token *eq_tok, tree_expression *rhs) |
1623 | 2636 { |
2970 | 2637 tree_expression *retval = 0; |
2638 | |
2883 | 2639 octave_value::assign_op t = octave_value::unknown_assign_op; |
2640 | |
2641 switch (op) | |
2642 { | |
2643 case '=': | |
3525 | 2644 t = octave_value::op_asn_eq; |
2883 | 2645 break; |
2646 | |
2647 case ADD_EQ: | |
3525 | 2648 t = octave_value::op_add_eq; |
2883 | 2649 break; |
2650 | |
2651 case SUB_EQ: | |
3525 | 2652 t = octave_value::op_sub_eq; |
2883 | 2653 break; |
2654 | |
2655 case MUL_EQ: | |
3525 | 2656 t = octave_value::op_mul_eq; |
2883 | 2657 break; |
2658 | |
2659 case DIV_EQ: | |
3525 | 2660 t = octave_value::op_div_eq; |
2883 | 2661 break; |
2662 | |
3204 | 2663 case LEFTDIV_EQ: |
3525 | 2664 t = octave_value::op_ldiv_eq; |
3204 | 2665 break; |
2666 | |
4018 | 2667 case POW_EQ: |
2668 t = octave_value::op_pow_eq; | |
2669 break; | |
2670 | |
2899 | 2671 case LSHIFT_EQ: |
3525 | 2672 t = octave_value::op_lshift_eq; |
2899 | 2673 break; |
2674 | |
2675 case RSHIFT_EQ: | |
3525 | 2676 t = octave_value::op_rshift_eq; |
2899 | 2677 break; |
2678 | |
2883 | 2679 case EMUL_EQ: |
3525 | 2680 t = octave_value::op_el_mul_eq; |
2883 | 2681 break; |
2682 | |
2683 case EDIV_EQ: | |
3525 | 2684 t = octave_value::op_el_div_eq; |
2883 | 2685 break; |
2686 | |
3204 | 2687 case ELEFTDIV_EQ: |
3525 | 2688 t = octave_value::op_el_ldiv_eq; |
3204 | 2689 break; |
2690 | |
4018 | 2691 case EPOW_EQ: |
2692 t = octave_value::op_el_pow_eq; | |
2693 break; | |
2694 | |
2883 | 2695 case AND_EQ: |
3525 | 2696 t = octave_value::op_el_and_eq; |
2883 | 2697 break; |
2698 | |
2699 case OR_EQ: | |
3525 | 2700 t = octave_value::op_el_or_eq; |
2883 | 2701 break; |
2702 | |
2703 default: | |
2704 panic_impossible (); | |
2705 break; | |
2706 } | |
2707 | |
1623 | 2708 int l = eq_tok->line (); |
2709 int c = eq_tok->column (); | |
2710 | |
5841 | 2711 if (lhs->is_simple_assign_lhs ()) |
666 | 2712 { |
2970 | 2713 tree_expression *tmp = lhs->remove_front (); |
2714 | |
2715 retval = new tree_simple_assignment (tmp, rhs, false, l, c, t); | |
2716 | |
2717 delete lhs; | |
666 | 2718 } |
10230
0a5a769b8fc0
disallow computed multiple assignment
Jaroslav Hajek <highegg@gmail.com>
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|
2719 else if (t == octave_value::op_asn_eq) |
0a5a769b8fc0
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|
2720 return new tree_multi_assignment (lhs, rhs, false, l, c); |
666 | 2721 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
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changeset
|
2722 bison_error ("computed multiple assignment not allowed"); |
666 | 2723 |
2724 return retval; | |
2725 } | |
751 | 2726 |
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|
2727 // Define a script. |
7715
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2728 |
16134
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|
2729 void |
16287
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2730 octave_base_parser::make_script (tree_statement_list *cmds, |
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|
2731 tree_statement *end_script) |
7715
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2732 { |
8658
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New evaluator and debugger derived from tree-walker class
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2733 if (! cmds) |
73c4516fae10
New evaluator and debugger derived from tree-walker class
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|
2734 cmds = new tree_statement_list (); |
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New evaluator and debugger derived from tree-walker class
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2735 |
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|
2736 cmds->append (end_script); |
73c4516fae10
New evaluator and debugger derived from tree-walker class
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|
2737 |
7715
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diff
changeset
|
2738 octave_user_script *script |
16288
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|
2739 = new octave_user_script (lexer.fcn_file_full_name, |
fe3b9a51e625
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|
2740 lexer.fcn_file_name, |
fe3b9a51e625
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|
2741 cmds, lexer.help_text); |
fe3b9a51e625
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2742 |
fe3b9a51e625
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|
2743 lexer.help_text = ""; |
7715
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diff
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|
2744 |
5b4d278ec828
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diff
changeset
|
2745 octave_time now; |
5b4d278ec828
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changeset
|
2746 |
5b4d278ec828
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
2747 script->stash_fcn_file_time (now); |
5b4d278ec828
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John W. Eaton <jwe@octave.org>
parents:
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diff
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|
2748 |
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25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2749 primary_fcn_ptr = script; |
7715
5b4d278ec828
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
2750 } |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2751 |
1623 | 2752 // Begin defining a function. |
2753 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
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|
2754 octave_user_function * |
16287
04a7953496a7
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diff
changeset
|
2755 octave_base_parser::start_function (tree_parameter_list *param_list, |
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create base class for parser; use reference for curr_lexer
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changeset
|
2756 tree_statement_list *body, |
04a7953496a7
create base class for parser; use reference for curr_lexer
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diff
changeset
|
2757 tree_statement *end_fcn_stmt) |
1623 | 2758 { |
2891 | 2759 // We'll fill in the return list later. |
2760 | |
8658
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New evaluator and debugger derived from tree-walker class
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changeset
|
2761 if (! body) |
73c4516fae10
New evaluator and debugger derived from tree-walker class
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|
2762 body = new tree_statement_list (); |
73c4516fae10
New evaluator and debugger derived from tree-walker class
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|
2763 |
73c4516fae10
New evaluator and debugger derived from tree-walker class
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diff
changeset
|
2764 body->append (end_fcn_stmt); |
73c4516fae10
New evaluator and debugger derived from tree-walker class
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diff
changeset
|
2765 |
2891 | 2766 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
|
2767 = 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
|
2768 param_list, 0, body); |
1623 | 2769 |
3665 | 2770 if (fcn) |
2771 { | |
2772 octave_comment_list *tc = octave_comment_buffer::get_comment (); | |
2773 | |
2774 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
|
2775 fcn->stash_fcn_end_location (end_fcn_stmt->line (), |
de91b1621260
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John W. Eaton <jwe@octave.org>
parents:
16574
diff
changeset
|
2776 end_fcn_stmt->column ()); |
3665 | 2777 } |
2778 | |
1623 | 2779 return fcn; |
2780 } | |
2781 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
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16133
diff
changeset
|
2782 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
|
2783 octave_base_parser::make_end (const std::string& type, bool eof, int l, int c) |
8658
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New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
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diff
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|
2784 { |
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
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|
2785 return make_statement (new tree_no_op_command (type, eof, l, c)); |
8658
73c4516fae10
New evaluator and debugger derived from tree-walker class
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diff
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|
2786 } |
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diff
changeset
|
2787 |
1623 | 2788 // Do most of the work for defining a function. |
2789 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
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diff
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|
2790 octave_user_function * |
16287
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|
2791 octave_base_parser::frob_function (const std::string& fname, |
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diff
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|
2792 octave_user_function *fcn) |
1623 | 2793 { |
4872 | 2794 std::string id_name = fname; |
1623 | 2795 |
2796 // If input is coming from a file, issue a warning if the name of | |
2797 // the file does not match the name of the function stated in the | |
2798 // file. Matlab doesn't provide a diagnostic (it ignores the stated | |
2799 // name). | |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
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|
2800 if (! autoloading && lexer.reading_fcn_file |
16153
a57c2c8c8163
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parents:
16151
diff
changeset
|
2801 && curr_fcn_depth == 1 && ! parsing_subfunctions) |
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25ed2d6aacf6
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|
2802 { |
16288
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diff
changeset
|
2803 // FIXME -- should lexer.fcn_file_name already be |
9474
25ed2d6aacf6
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changeset
|
2804 // preprocessed when we get here? It seems to only be a |
25ed2d6aacf6
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diff
changeset
|
2805 // problem with relative file names. |
25ed2d6aacf6
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|
2806 |
16288
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|
2807 std::string nm = lexer.fcn_file_name; |
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2808 |
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changeset
|
2809 size_t pos = nm.find_last_of (file_ops::dir_sep_chars ()); |
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|
2810 |
25ed2d6aacf6
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|
2811 if (pos != std::string::npos) |
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2812 nm = lexer.fcn_file_name.substr (pos+1); |
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2813 |
25ed2d6aacf6
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|
2814 if (nm != id_name) |
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2815 { |
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|
2816 warning_with_id |
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|
2817 ("Octave:function-name-clash", |
15466
d174210ce1ec
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14189
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|
2818 "function name '%s' does not agree with function file name '%s'", |
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2819 id_name.c_str (), lexer.fcn_file_full_name.c_str ()); |
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2820 |
57a59eae83cc
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|
2821 id_name = nm; |
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|
2822 } |
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|
2823 } |
1623 | 2824 |
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changeset
|
2825 if (lexer.reading_fcn_file || lexer.reading_classdef_file || autoloading) |
1623 | 2826 { |
3712 | 2827 octave_time now; |
3162 | 2828 |
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2829 fcn->stash_fcn_file_name (lexer.fcn_file_full_name); |
3162 | 2830 fcn->stash_fcn_file_time (now); |
1623 | 2831 fcn->mark_as_system_fcn_file (); |
3162 | 2832 |
6323 | 2833 if (fcn_file_from_relative_lookup) |
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|
2834 fcn->mark_relative (); |
6323 | 2835 |
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16151
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|
2836 if (curr_fcn_depth > 1 || parsing_subfunctions) |
7968
0d607e8dbbfa
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|
2837 { |
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changeset
|
2838 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
|
2839 |
16153
a57c2c8c8163
move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16151
diff
changeset
|
2840 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
|
2841 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
|
2842 else |
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
2843 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
|
2844 } |
6323 | 2845 |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
2846 if (lexer.parsing_class_method) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2847 { |
16153
a57c2c8c8163
move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16151
diff
changeset
|
2848 if (curr_class_name == id_name) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2849 fcn->mark_as_class_constructor (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2850 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2851 fcn->mark_as_class_method (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2852 |
16153
a57c2c8c8163
move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16151
diff
changeset
|
2853 fcn->stash_dispatch_class (curr_class_name); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2854 } |
7336 | 2855 |
5781 | 2856 std::string nm = fcn->fcn_file_name (); |
2857 | |
2858 file_stat fs (nm); | |
2859 | |
2860 if (fs && fs.is_newer (now)) | |
2861 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
|
2862 "time stamp for '%s' is in the future", nm.c_str ()); |
1623 | 2863 } |
16203
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
2864 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
|
2865 && ! lexer.force_script |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
2866 && lexer.reading_script_file |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
2867 && lexer.fcn_file_name == id_name) |
1623 | 2868 { |
15466
d174210ce1ec
use ' instead of ` in error messages, warnings and most comments
John W. Eaton <jwe@octave.org>
parents:
14189
diff
changeset
|
2869 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
|
2870 id_name.c_str (), lexer.fcn_file_full_name.c_str ()); |
1623 | 2871 } |
2872 | |
4872 | 2873 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
|
2874 |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
2875 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
|
2876 && ! parsing_subfunctions) |
7336 | 2877 { |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
2878 fcn->document (lexer.help_text); |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
2879 |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
2880 lexer.help_text = ""; |
7336 | 2881 } |
2882 | |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
2883 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
|
2884 && ! parsing_subfunctions) |
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2885 primary_fcn_ptr = fcn; |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
2886 |
1623 | 2887 return fcn; |
2888 } | |
2889 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2890 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
|
2891 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
|
2892 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
|
2893 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
|
2894 int l, int c) |
1623 | 2895 { |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2896 tree_function_def *retval = 0; |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2897 |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2898 if (ret_list) |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2899 ret_list->mark_as_formal_parameters (); |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2900 |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2901 if (fcn) |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2902 { |
7761
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7755
diff
changeset
|
2903 std::string nm = fcn->name (); |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7755
diff
changeset
|
2904 std::string file = fcn->fcn_file_name (); |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7755
diff
changeset
|
2905 |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7755
diff
changeset
|
2906 std::string tmp = nm; |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7755
diff
changeset
|
2907 if (! file.empty ()) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2908 tmp += ": " + file; |
7761
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7755
diff
changeset
|
2909 |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7755
diff
changeset
|
2910 symbol_table::cache_name (fcn->scope (), tmp); |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7755
diff
changeset
|
2911 |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2912 if (lc) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2913 fcn->stash_leading_comment (lc); |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2914 |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2915 fcn->define_ret_list (ret_list); |
7755
ea9cb4d68dbf
avoid installing subfunctions twice
John W. Eaton <jwe@octave.org>
parents:
7750
diff
changeset
|
2916 |
16153
a57c2c8c8163
move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16151
diff
changeset
|
2917 if (curr_fcn_depth > 1 || parsing_subfunctions) |
9474
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2918 { |
11461
2b8531a6a3c9
Change mentions of "nested function" to the less misleading "subfunction"
David Grundberg <individ@acc.umu.se>
parents:
11388
diff
changeset
|
2919 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
|
2920 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
|
2921 |
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
|
2922 subfunction_names.push_back (nm); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2923 |
14544
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
2924 if (endfunction_found && function_scopes.size () > 1) |
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
2925 { |
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
2926 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
|
2927 = function_scopes[function_scopes.size ()-2]; |
14544
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
2928 |
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
2929 symbol_table::install_nestfunction (nm, octave_value (fcn), |
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
2930 pscope); |
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
2931 } |
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
2932 else |
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
2933 symbol_table::install_subfunction (nm, octave_value (fcn), |
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
2934 primary_fcn_scope); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2935 } |
9474
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2936 |
16153
a57c2c8c8163
move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16151
diff
changeset
|
2937 if (curr_fcn_depth == 1 && fcn) |
14544
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
2938 symbol_table::update_nest (fcn->scope ()); |
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
2939 |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
2940 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
|
2941 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2942 // 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
|
2943 // 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
|
2944 // 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
|
2945 // 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
|
2946 // 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
|
2947 // 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
|
2948 // 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
|
2949 // parse_fcn_file, and |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2950 // 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
|
2951 |
5f8971be8e12
parse.y (finish_function): retrun function object unless parsing function file
John W. Eaton <jwe@octave.org>
parents:
9506
diff
changeset
|
2952 retval = new tree_function_def (fcn); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2953 } |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2954 } |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2955 |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2956 return retval; |
1623 | 2957 } |
2958 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2959 void |
16287
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
2960 octave_base_parser::recover_from_parsing_function (void) |
2883 | 2961 { |
16320
09f0cb9cac7d
don't modify symbol table scope in the parser
John W. Eaton <jwe@octave.org>
parents:
16302
diff
changeset
|
2962 if (lexer.symtab_context.empty ()) |
3903 | 2963 panic_impossible (); |
2964 | |
16320
09f0cb9cac7d
don't modify symbol table scope in the parser
John W. Eaton <jwe@octave.org>
parents:
16302
diff
changeset
|
2965 lexer.symtab_context.pop (); |
2883 | 2966 |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
2967 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
|
2968 && ! parsing_subfunctions) |
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2969 parsing_subfunctions = true; |
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2970 |
16153
a57c2c8c8163
move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16151
diff
changeset
|
2971 curr_fcn_depth--; |
14544
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
2972 function_scopes.pop_back (); |
9474
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2973 |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
2974 lexer.defining_func--; |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
2975 lexer.parsed_function_name.pop (); |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
2976 lexer.looking_at_return_list = false; |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
2977 lexer.looking_at_parameter_list = false; |
2883 | 2978 } |
2979 | |
2846 | 2980 // Make an index expression. |
2981 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2982 tree_index_expression * |
16287
04a7953496a7
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John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2983 octave_base_parser::make_index_expression (tree_expression *expr, |
04a7953496a7
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parents:
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diff
changeset
|
2984 tree_argument_list *args, |
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create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2985 char type) |
751 | 2986 { |
2987 tree_index_expression *retval = 0; | |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
2988 |
10206
37a08e0ce2dc
support Matlab-style empty output/input arguments
Jaroslav Hajek <highegg@gmail.com>
parents:
10188
diff
changeset
|
2989 if (args && args->has_magic_tilde ()) |
37a08e0ce2dc
support Matlab-style empty output/input arguments
Jaroslav Hajek <highegg@gmail.com>
parents:
10188
diff
changeset
|
2990 { |
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
|
2991 bison_error ("invalid use of empty argument (~) in index expression"); |
17632
bd0a84de3375
further reduce memory leaks from parse errors (bug #40231)
John W. Eaton <jwe@octave.org>
parents:
17629
diff
changeset
|
2992 |
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John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2993 delete expr; |
bd0a84de3375
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John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2994 delete args; |
bd0a84de3375
further reduce memory leaks from parse errors (bug #40231)
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2995 |
10206
37a08e0ce2dc
support Matlab-style empty output/input arguments
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parents:
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diff
changeset
|
2996 return retval; |
37a08e0ce2dc
support Matlab-style empty output/input arguments
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parents:
10188
diff
changeset
|
2997 } |
751 | 2998 |
2970 | 2999 int l = expr->line (); |
3000 int c = expr->column (); | |
3001 | |
3002 expr->mark_postfix_indexed (); | |
3003 | |
3933 | 3004 if (expr->is_index_expression ()) |
3005 { | |
3006 tree_index_expression *tmp = static_cast<tree_index_expression *> (expr); | |
3007 | |
3008 tmp->append (args, type); | |
3009 | |
3010 retval = tmp; | |
3011 } | |
3012 else | |
3013 retval = new tree_index_expression (expr, args, l, c, type); | |
2970 | 3014 |
3015 return retval; | |
3016 } | |
3017 | |
3018 // Make an indirect reference expression. | |
3019 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
3020 tree_index_expression * |
16287
04a7953496a7
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John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3021 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
|
3022 const std::string& elt) |
2970 | 3023 { |
3930 | 3024 tree_index_expression *retval = 0; |
2970 | 3025 |
3026 int l = expr->line (); | |
3027 int c = expr->column (); | |
3028 | |
3933 | 3029 if (expr->is_index_expression ()) |
3030 { | |
3031 tree_index_expression *tmp = static_cast<tree_index_expression *> (expr); | |
3032 | |
3033 tmp->append (elt); | |
3034 | |
3035 retval = tmp; | |
3036 } | |
3037 else | |
3038 retval = new tree_index_expression (expr, elt, l, c); | |
2970 | 3039 |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
3040 lexer.looking_at_indirect_ref = false; |
751 | 3041 |
3042 return retval; | |
3043 } | |
1511 | 3044 |
4131 | 3045 // Make an indirect reference expression with dynamic field name. |
3046 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
3047 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
|
3048 octave_base_parser::make_indirect_ref (tree_expression *expr, tree_expression *elt) |
4131 | 3049 { |
3050 tree_index_expression *retval = 0; | |
3051 | |
3052 int l = expr->line (); | |
3053 int c = expr->column (); | |
3054 | |
3055 if (expr->is_index_expression ()) | |
3056 { | |
3057 tree_index_expression *tmp = static_cast<tree_index_expression *> (expr); | |
3058 | |
3059 tmp->append (elt); | |
3060 | |
3061 retval = tmp; | |
3062 } | |
3063 else | |
3064 retval = new tree_index_expression (expr, elt, l, c); | |
3065 | |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3066 lexer.looking_at_indirect_ref = false; |
4131 | 3067 |
3068 return retval; | |
3069 } | |
3070 | |
2846 | 3071 // Make a declaration command. |
3072 | |
16134
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move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3073 tree_decl_command * |
16287
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3074 octave_base_parser::make_decl_command (int tok, token *tok_val, |
04a7953496a7
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John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3075 tree_decl_init_list *lst) |
2846 | 3076 { |
3077 tree_decl_command *retval = 0; | |
3078 | |
3079 int l = tok_val->line (); | |
3080 int c = tok_val->column (); | |
3081 | |
3082 switch (tok) | |
3083 { | |
3084 case GLOBAL: | |
3085 retval = new tree_global_command (lst, l, c); | |
3086 break; | |
3087 | |
14294
9e3983c8963c
deprecate the static keyword
John W. Eaton <jwe@octave.org>
parents:
14293
diff
changeset
|
3088 case PERSISTENT: |
16153
a57c2c8c8163
move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16151
diff
changeset
|
3089 if (curr_fcn_depth > 0) |
14294
9e3983c8963c
deprecate the static keyword
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3090 retval = new tree_persistent_command (lst, l, c); |
2846 | 3091 else |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3092 { |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3093 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
|
3094 warning ("ignoring persistent declaration near line %d of file '%s'", |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3095 l, lexer.fcn_file_full_name.c_str ()); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3096 else |
57a59eae83cc
untabify src C++ source files
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parents:
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diff
changeset
|
3097 warning ("ignoring persistent declaration near line %d", l); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3098 } |
2846 | 3099 break; |
3100 | |
3101 default: | |
3102 panic_impossible (); | |
3103 break; | |
3104 } | |
3105 | |
3106 return retval; | |
3107 } | |
3108 | |
16273
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|
3109 bool |
16287
04a7953496a7
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John W. Eaton <jwe@octave.org>
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changeset
|
3110 octave_base_parser::validate_array_list (tree_expression *e) |
16273
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|
3111 { |
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parents:
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changeset
|
3112 bool retval = true; |
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changeset
|
3113 |
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diff
changeset
|
3114 tree_array_list *al = dynamic_cast<tree_array_list *> (e); |
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changeset
|
3115 |
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diff
changeset
|
3116 for (tree_array_list::iterator i = al->begin (); i != al->end (); i++) |
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diff
changeset
|
3117 { |
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parents:
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diff
changeset
|
3118 tree_argument_list *row = *i; |
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diff
changeset
|
3119 |
c5e5f6ccac5d
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parents:
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diff
changeset
|
3120 if (row && row->has_magic_tilde ()) |
c5e5f6ccac5d
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diff
changeset
|
3121 { |
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parents:
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diff
changeset
|
3122 retval = false; |
c5e5f6ccac5d
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diff
changeset
|
3123 if (e->is_matrix ()) |
c5e5f6ccac5d
9/10 commits reworking the lexer
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parents:
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diff
changeset
|
3124 bison_error ("invalid use of tilde (~) in matrix expression"); |
c5e5f6ccac5d
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
3125 else |
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parents:
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diff
changeset
|
3126 bison_error ("invalid use of tilde (~) in cell expression"); |
c5e5f6ccac5d
9/10 commits reworking the lexer
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parents:
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diff
changeset
|
3127 break; |
c5e5f6ccac5d
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parents:
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diff
changeset
|
3128 } |
c5e5f6ccac5d
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diff
changeset
|
3129 } |
c5e5f6ccac5d
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diff
changeset
|
3130 |
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parents:
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diff
changeset
|
3131 return retval; |
c5e5f6ccac5d
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diff
changeset
|
3132 } |
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parents:
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diff
changeset
|
3133 |
16134
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John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
3134 tree_argument_list * |
16287
04a7953496a7
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John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
3135 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
|
3136 { |
16273
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changeset
|
3137 tree_argument_list *retval = 0; |
c5e5f6ccac5d
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changeset
|
3138 |
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changeset
|
3139 if (e->is_constant ()) |
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parents:
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diff
changeset
|
3140 { |
16285
3389152014ca
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parents:
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diff
changeset
|
3141 octave_value ov = e->rvalue1 (); |
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parents:
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diff
changeset
|
3142 |
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parents:
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diff
changeset
|
3143 if (ov.is_empty ()) |
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parents:
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diff
changeset
|
3144 bison_error ("invalid empty left hand side of assignment"); |
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parents:
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diff
changeset
|
3145 else |
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parents:
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diff
changeset
|
3146 bison_error ("invalid constant left hand side of assignment"); |
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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
|
3147 |
16273
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changeset
|
3148 delete e; |
c5e5f6ccac5d
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changeset
|
3149 } |
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changeset
|
3150 else |
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parents:
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changeset
|
3151 { |
16285
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parents:
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diff
changeset
|
3152 bool is_simple_assign = true; |
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parents:
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diff
changeset
|
3153 |
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parents:
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diff
changeset
|
3154 tree_argument_list *tmp = 0; |
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parents:
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changeset
|
3155 |
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parents:
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diff
changeset
|
3156 if (e->is_matrix ()) |
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parents:
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changeset
|
3157 { |
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parents:
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diff
changeset
|
3158 tree_matrix *mat = dynamic_cast<tree_matrix *> (e); |
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diff
changeset
|
3159 |
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parents:
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diff
changeset
|
3160 if (mat && mat->size () == 1) |
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parents:
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diff
changeset
|
3161 { |
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parents:
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diff
changeset
|
3162 tmp = mat->front (); |
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parents:
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diff
changeset
|
3163 mat->pop_front (); |
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parents:
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changeset
|
3164 delete e; |
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parents:
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diff
changeset
|
3165 is_simple_assign = false; |
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changeset
|
3166 } |
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changeset
|
3167 } |
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changeset
|
3168 else |
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parents:
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diff
changeset
|
3169 tmp = new tree_argument_list (e); |
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diff
changeset
|
3170 |
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diff
changeset
|
3171 if (tmp && tmp->is_valid_lvalue_list ()) |
16360
11115c237231
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parents:
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changeset
|
3172 { |
11115c237231
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parents:
16320
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changeset
|
3173 lexer.mark_as_variables (tmp->variable_names ()); |
11115c237231
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diff
changeset
|
3174 retval = tmp; |
11115c237231
recognize variables when parsing (bug #38576)
John W. Eaton <jwe@octave.org>
parents:
16320
diff
changeset
|
3175 } |
16285
3389152014ca
improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents:
16284
diff
changeset
|
3176 else |
3389152014ca
improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents:
16284
diff
changeset
|
3177 { |
3389152014ca
improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents:
16284
diff
changeset
|
3178 bison_error ("invalid left hand side of assignment"); |
3389152014ca
improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents:
16284
diff
changeset
|
3179 delete tmp; |
3389152014ca
improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents:
16284
diff
changeset
|
3180 } |
3389152014ca
improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents:
16284
diff
changeset
|
3181 |
3389152014ca
improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents:
16284
diff
changeset
|
3182 if (retval && is_simple_assign) |
3389152014ca
improve validation of left hand side of assignment expressions in parser
John W. Eaton <jwe@octave.org>
parents:
16284
diff
changeset
|
3183 retval->mark_as_simple_assign_lhs (); |
16273
c5e5f6ccac5d
9/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents:
16265
diff
changeset
|
3184 } |
c5e5f6ccac5d
9/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents:
16265
diff
changeset
|
3185 |
c5e5f6ccac5d
9/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents:
16265
diff
changeset
|
3186 return retval; |
10207
76a880a588ce
error when using ~ in matrix expression
Jaroslav Hajek <highegg@gmail.com>
parents:
10206
diff
changeset
|
3187 } |
76a880a588ce
error when using ~ in matrix expression
Jaroslav Hajek <highegg@gmail.com>
parents:
10206
diff
changeset
|
3188 |
16237
70f465930546
rearrange class heirarchy for tree_cell and tree_matrix
John W. Eaton <jwe@octave.org>
parents:
16210
diff
changeset
|
3189 // Finish building an array_list. |
1623 | 3190 |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
3191 tree_expression * |
16287
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
3192 octave_base_parser::finish_array_list (tree_array_list *array_list) |
1623 | 3193 { |
16237
70f465930546
rearrange class heirarchy for tree_cell and tree_matrix
John W. Eaton <jwe@octave.org>
parents:
16210
diff
changeset
|
3194 tree_expression *retval = array_list; |
3110 | 3195 |
10067
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3196 unwind_protect frame; |
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3197 |
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3198 frame.protect_var (error_state); |
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3199 frame.protect_var (warning_state); |
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3200 |
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3201 frame.protect_var (discard_error_messages); |
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3202 frame.protect_var (discard_warning_messages); |
4452 | 3203 |
3815 | 3204 discard_error_messages = true; |
4452 | 3205 discard_warning_messages = true; |
1623 | 3206 |
16237
70f465930546
rearrange class heirarchy for tree_cell and tree_matrix
John W. Eaton <jwe@octave.org>
parents:
16210
diff
changeset
|
3207 if (array_list->all_elements_are_constant ()) |
1829 | 3208 { |
16237
70f465930546
rearrange class heirarchy for tree_cell and tree_matrix
John W. Eaton <jwe@octave.org>
parents:
16210
diff
changeset
|
3209 octave_value tmp = array_list->rvalue1 (); |
1623 | 3210 |
3489 | 3211 if (! (error_state || warning_state)) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3212 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3213 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
|
3214 = 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
|
3215 array_list->column ()); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3216 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3217 std::ostringstream buf; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3218 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3219 tree_print_code tpc (buf); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3220 |
16237
70f465930546
rearrange class heirarchy for tree_cell and tree_matrix
John W. Eaton <jwe@octave.org>
parents:
16210
diff
changeset
|
3221 array_list->accept (tpc); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3222 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3223 tc_retval->stash_original_text (buf.str ()); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3224 |
16237
70f465930546
rearrange class heirarchy for tree_cell and tree_matrix
John W. Eaton <jwe@octave.org>
parents:
16210
diff
changeset
|
3225 delete array_list; |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3226 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3227 retval = tc_retval; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3228 } |
1623 | 3229 } |
3110 | 3230 |
1623 | 3231 return retval; |
3232 } | |
3233 | |
16237
70f465930546
rearrange class heirarchy for tree_cell and tree_matrix
John W. Eaton <jwe@octave.org>
parents:
16210
diff
changeset
|
3234 // 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
|
3235 |
70f465930546
rearrange class heirarchy for tree_cell and tree_matrix
John W. Eaton <jwe@octave.org>
parents:
16210
diff
changeset
|
3236 tree_expression * |
16287
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
3237 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
|
3238 { |
16924
aebb54d99dba
improve compatibility of parsing of matrices and cell arrays
John W. Eaton <jwe@octave.org>
parents:
16850
diff
changeset
|
3239 return (m |
aebb54d99dba
improve compatibility of parsing of matrices and cell arrays
John W. Eaton <jwe@octave.org>
parents:
16850
diff
changeset
|
3240 ? finish_array_list (m) |
aebb54d99dba
improve compatibility of parsing of matrices and cell arrays
John W. Eaton <jwe@octave.org>
parents:
16850
diff
changeset
|
3241 : 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
|
3242 } |
70f465930546
rearrange class heirarchy for tree_cell and tree_matrix
John W. Eaton <jwe@octave.org>
parents:
16210
diff
changeset
|
3243 |
3351 | 3244 // Finish building a cell list. |
3245 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
3246 tree_expression * |
16287
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
3247 octave_base_parser::finish_cell (tree_cell *c) |
3351 | 3248 { |
16924
aebb54d99dba
improve compatibility of parsing of matrices and cell arrays
John W. Eaton <jwe@octave.org>
parents:
16850
diff
changeset
|
3249 return (c |
aebb54d99dba
improve compatibility of parsing of matrices and cell arrays
John W. Eaton <jwe@octave.org>
parents:
16850
diff
changeset
|
3250 ? finish_array_list (c) |
aebb54d99dba
improve compatibility of parsing of matrices and cell arrays
John W. Eaton <jwe@octave.org>
parents:
16850
diff
changeset
|
3251 : new tree_constant (octave_value (Cell ()))); |
3351 | 3252 } |
3253 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
3254 void |
16287
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
3255 octave_base_parser::maybe_warn_missing_semi (tree_statement_list *t) |
1511 | 3256 { |
16153
a57c2c8c8163
move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16151
diff
changeset
|
3257 if (curr_fcn_depth > 0) |
1511 | 3258 { |
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
|
3259 tree_statement *tmp = t->back (); |
1607 | 3260 |
1511 | 3261 if (tmp->is_expression ()) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3262 warning_with_id |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3263 ("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
|
3264 "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
|
3265 tmp->line (), tmp->column (), lexer.fcn_file_full_name.c_str ()); |
1511 | 3266 } |
3267 } | |
1994 | 3268 |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
3269 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
|
3270 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
|
3271 char sep, bool warn_missing_semi) |
2525 | 3272 { |
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
|
3273 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
|
3274 |
2525 | 3275 switch (sep) |
3276 { | |
3277 case ';': | |
8658
73c4516fae10
New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
8471
diff
changeset
|
3278 tmp->set_print_flag (false); |
2525 | 3279 break; |
3280 | |
3281 case 0: | |
3282 case ',': | |
3283 case '\n': | |
8658
73c4516fae10
New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
8471
diff
changeset
|
3284 tmp->set_print_flag (true); |
2525 | 3285 if (warn_missing_semi) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3286 maybe_warn_missing_semi (list); |
2525 | 3287 break; |
3288 | |
3289 default: | |
3290 warning ("unrecognized separator type!"); | |
3291 break; | |
3292 } | |
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
|
3293 |
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
|
3294 // 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
|
3295 // 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
|
3296 |
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
|
3297 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
|
3298 { |
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
|
3299 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
|
3300 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
|
3301 } |
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
|
3302 |
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
|
3303 return list; |
2525 | 3304 } |
3305 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
3306 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
|
3307 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
|
3308 { |
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
|
3309 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
|
3310 } |
d6c0d5f208de
parse.y: avoid storing null statements in statement lists
John W. Eaton <jwe@octave.org>
parents:
8447
diff
changeset
|
3311 |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
3312 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
|
3313 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
|
3314 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
|
3315 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
|
3316 { |
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
|
3317 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
|
3318 |
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
|
3319 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
|
3320 |
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
|
3321 return list; |
8448
d6c0d5f208de
parse.y: avoid storing null statements in statement lists
John W. Eaton <jwe@octave.org>
parents:
8447
diff
changeset
|
3322 } |
d6c0d5f208de
parse.y: avoid storing null statements in statement lists
John W. Eaton <jwe@octave.org>
parents:
8447
diff
changeset
|
3323 |
16145
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3324 void |
16287
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
3325 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
|
3326 { |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
3327 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
|
3328 |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3329 std::ostringstream output_buf; |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3330 |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
3331 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
|
3332 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
|
3333 << " 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
|
3334 else |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3335 output_buf << "parse error:"; |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3336 |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3337 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
|
3338 output_buf << "\n\n " << s; |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3339 |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3340 output_buf << "\n\n"; |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3341 |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
3342 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
|
3343 |
0467d68ca891
move current_input_line to lexical_feedback class
John W. Eaton <jwe@octave.org>
parents:
16203
diff
changeset
|
3344 if (! curr_line.empty ()) |
16145
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3345 { |
16207
0467d68ca891
move current_input_line to lexical_feedback class
John W. Eaton <jwe@octave.org>
parents:
16203
diff
changeset
|
3346 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
|
3347 |
0467d68ca891
move current_input_line to lexical_feedback class
John W. Eaton <jwe@octave.org>
parents:
16203
diff
changeset
|
3348 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
|
3349 curr_line.resize (len-1); |
16145
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3350 |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3351 // 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
|
3352 |
16207
0467d68ca891
move current_input_line to lexical_feedback class
John W. Eaton <jwe@octave.org>
parents:
16203
diff
changeset
|
3353 output_buf << ">>> " << curr_line << "\n"; |
16145
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3354 |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3355 if (err_col == 0) |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3356 err_col = len; |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3357 |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3358 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
|
3359 output_buf << " "; |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3360 |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3361 output_buf << "^"; |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3362 } |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3363 |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3364 output_buf << "\n"; |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3365 |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3366 std::string msg = output_buf.str (); |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3367 |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3368 parse_error ("%s", msg.c_str ()); |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3369 } |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3370 |
16287
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
3371 int |
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
3372 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
|
3373 { |
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
3374 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
|
3375 } |
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
3376 |
16294
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3377 octave_push_parser::~octave_push_parser (void) |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3378 { |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3379 yypstate_delete (static_cast<yypstate *> (parser_state)); |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3380 } |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3381 |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3382 void |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3383 octave_push_parser::init (void) |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3384 { |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3385 parser_state = yypstate_new (); |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3386 |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3387 octave_base_parser::init (); |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3388 } |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3389 |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3390 // 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
|
3391 // finish the parse. |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3392 |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3393 int |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3394 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
|
3395 { |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3396 int status = -1; |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3397 |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3398 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
|
3399 |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3400 do |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3401 { |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3402 YYSTYPE lval; |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3403 |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3404 int token = octave_lex (&lval, scanner); |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3405 |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3406 if (token < 0) |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3407 { |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3408 if (! eof && lexer.at_end_of_buffer ()) |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3409 { |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3410 status = -1; |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3411 break; |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3412 } |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3413 } |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3414 |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3415 yypstate *pstate = static_cast<yypstate *> (parser_state); |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3416 |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3417 status = octave_push_parse (pstate, token, &lval, *this); |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3418 } |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3419 while (status == YYPUSH_MORE); |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3420 |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3421 return status; |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3422 } |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
3423 |
3021 | 3424 static void |
10067
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3425 safe_fclose (FILE *f) |
3021 | 3426 { |
5775 | 3427 // FIXME -- comments at the end of an input file are |
3765 | 3428 // discarded (otherwise, they would be appended to the next |
3429 // statement, possibly from the command line or another file, which | |
3430 // can be quite confusing). | |
3431 | |
5308 | 3432 octave_comment_list *tc = octave_comment_buffer::get_comment (); |
3433 | |
3434 delete tc; | |
3765 | 3435 |
3021 | 3436 if (f) |
3437 fclose (static_cast<FILE *> (f)); | |
3438 } | |
3439 | |
7336 | 3440 static octave_function * |
16203
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3441 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
|
3442 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
|
3443 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
|
3444 bool relative_lookup, const std::string& warn_for) |
3021 | 3445 { |
10067
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3446 unwind_protect frame; |
3021 | 3447 |
7336 | 3448 octave_function *fcn_ptr = 0; |
3021 | 3449 |
3450 // Open function file and parse. | |
3451 | |
3452 FILE *in_stream = command_editor::get_input_stream (); | |
3453 | |
10067
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3454 frame.add_fcn (command_editor::set_input_stream, in_stream); |
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3455 |
12989
00235a6446da
eliminate duplication of internal variables controlling command history
John W. Eaton <jwe@octave.org>
parents:
12973
diff
changeset
|
3456 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
|
3457 command_history::ignoring_entries ()); |
00235a6446da
eliminate duplication of internal variables controlling command history
John W. Eaton <jwe@octave.org>
parents:
12973
diff
changeset
|
3458 |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3459 command_history::ignore_entries (); |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3460 |
16198
2c5c538be353
clean up input.cc and eliminate ff_instream global variable
John W. Eaton <jwe@octave.org>
parents:
16195
diff
changeset
|
3461 FILE *ffile = 0; |
2c5c538be353
clean up input.cc and eliminate ff_instream global variable
John W. Eaton <jwe@octave.org>
parents:
16195
diff
changeset
|
3462 |
16203
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3463 if (! full_file.empty ()) |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3464 ffile = gnulib::fopen (full_file.c_str (), "rb"); |
3021 | 3465 |
10067
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3466 frame.add_fcn (safe_fclose, ffile); |
3021 | 3467 |
3468 if (ffile) | |
3469 { | |
16287
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
3470 // 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
|
3471 frame.protect_var (LEXER); |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
3472 |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
3473 octave_parser parser (ffile); |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
3474 |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
3475 parser.curr_class_name = dispatch_type; |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
3476 parser.autoloading = autoload; |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
3477 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
|
3478 |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
3479 parser.lexer.force_script = force_script; |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
3480 parser.lexer.prep_for_file (); |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
3481 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
|
3482 |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
3483 parser.lexer.fcn_file_name = file; |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
3484 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
|
3485 |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
3486 int status = parser.run (); |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
3487 |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
3488 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
|
3489 |
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
|
3490 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
|
3491 { |
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
|
3492 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
|
3493 |
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
|
3494 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
|
3495 { |
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
|
3496 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
|
3497 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
|
3498 |
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
|
3499 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
|
3500 } |
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
|
3501 } |
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
|
3502 |
16203
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3503 if (status != 0) |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3504 error ("parse error while reading file %s", full_file.c_str ()); |
3021 | 3505 } |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3506 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
|
3507 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
|
3508 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
|
3509 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
|
3510 full_file.c_str ()); |
3021 | 3511 |
7336 | 3512 return fcn_ptr; |
3021 | 3513 } |
3514 | |
5484 | 3515 std::string |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3516 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
|
3517 std::string& full_file) |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3518 { |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3519 std::string retval; |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3520 |
16203
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3521 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
|
3522 |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3523 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
|
3524 |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3525 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
|
3526 |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3527 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
|
3528 || (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
|
3529 || (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
|
3530 { |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3531 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
|
3532 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
|
3533 |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3534 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
|
3535 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
|
3536 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
|
3537 } |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3538 |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3539 if (! file.empty ()) |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3540 { |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3541 symbol_found = true; |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3542 |
16203
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3543 octave_function *fcn |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3544 = 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
|
3545 |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3546 if (fcn) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3547 { |
16203
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3548 retval = fcn->doc_string (); |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3549 |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3550 delete fcn; |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3551 } |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3552 } |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3553 |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3554 return retval; |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3555 } |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3556 |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3557 std::string |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3558 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
|
3559 { |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3560 std::string file; |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3561 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
|
3562 } |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3563 |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3564 std::string |
5484 | 3565 lookup_autoload (const std::string& nm) |
3566 { | |
5626 | 3567 std::string retval; |
3568 | |
3569 typedef std::map<std::string, std::string>::const_iterator am_iter; | |
3570 | |
3571 am_iter p = autoload_map.find (nm); | |
3572 | |
3573 if (p != autoload_map.end ()) | |
6323 | 3574 retval = load_path::find_file (p->second); |
5626 | 3575 |
3576 return retval; | |
5484 | 3577 } |
3578 | |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
3579 string_vector |
5592 | 3580 autoloaded_functions (void) |
3581 { | |
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
|
3582 string_vector names (autoload_map.size ()); |
5592 | 3583 |
3584 octave_idx_type i = 0; | |
5626 | 3585 typedef std::map<std::string, std::string>::const_iterator am_iter; |
3586 for (am_iter p = autoload_map.begin (); p != autoload_map.end (); p++) | |
5592 | 3587 names[i++] = p->first; |
3588 | |
3589 return names; | |
3590 } | |
3591 | |
3592 string_vector | |
3593 reverse_lookup_autoload (const std::string& nm) | |
3594 { | |
3595 string_vector names; | |
3596 | |
5626 | 3597 typedef std::map<std::string, std::string>::const_iterator am_iter; |
3598 for (am_iter p = autoload_map.begin (); p != autoload_map.end (); p++) | |
5592 | 3599 if (nm == p->second) |
3600 names.append (p->first); | |
3601 | |
3602 return names; | |
3603 } | |
3604 | |
7336 | 3605 octave_function * |
3606 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
|
3607 const std::string& dispatch_type, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3608 const std::string& fcn_name, bool autoload) |
3021 | 3609 { |
7336 | 3610 octave_function *retval = 0; |
3611 | |
10067
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3612 unwind_protect frame; |
5484 | 3613 |
7336 | 3614 std::string nm = file_name; |
6238 | 3615 |
3616 size_t nm_len = nm.length (); | |
5472 | 3617 |
3618 std::string file; | |
3619 | |
16153
a57c2c8c8163
move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16151
diff
changeset
|
3620 bool relative_lookup = false; |
6323 | 3621 |
7336 | 3622 file = nm; |
3623 | |
3624 if ((nm_len > 4 && nm.substr (nm_len-4) == ".oct") | |
3625 || (nm_len > 4 && nm.substr (nm_len-4) == ".mex") | |
3626 || (nm_len > 2 && nm.substr (nm_len-2) == ".m")) | |
5472 | 3627 { |
6238 | 3628 nm = octave_env::base_pathname (file); |
3629 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
|
3630 |
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
|
3631 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
|
3632 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
|
3633 nm = nm.substr (pos+1); |
5472 | 3634 } |
7336 | 3635 |
16153
a57c2c8c8163
move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16151
diff
changeset
|
3636 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
|
3637 |
10250 | 3638 file = octave_env::make_absolute (file); |
4243 | 3639 |
3640 int len = file.length (); | |
3641 | |
4244 | 3642 if (len > 4 && file.substr (len-4, len-1) == ".oct") |
3021 | 3643 { |
7336 | 3644 if (autoload && ! fcn_name.empty ()) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3645 nm = fcn_name; |
7336 | 3646 |
16153
a57c2c8c8163
move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16151
diff
changeset
|
3647 retval = octave_dynamic_loader::load_oct (nm, file, relative_lookup); |
5864 | 3648 } |
3649 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
|
3650 { |
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
|
3651 // 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
|
3652 // 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
|
3653 |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
3654 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
|
3655 nm, dispatch_type, false, |
16153
a57c2c8c8163
move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16151
diff
changeset
|
3656 autoload, autoload, |
a57c2c8c8163
move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16151
diff
changeset
|
3657 relative_lookup, ""); |
a57c2c8c8163
move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16151
diff
changeset
|
3658 |
a57c2c8c8163
move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16151
diff
changeset
|
3659 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
|
3660 |
a61d7248627c
When loading a mex-file temporarily load the m-file version to get the help string (bug #29427)
David Bateman <dbateman@free.fr>
parents:
10521
diff
changeset
|
3661 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
|
3662 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
|
3663 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
|
3664 } |
4244 | 3665 else if (len > 2) |
3021 | 3666 { |
16203
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3667 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
|
3668 autoload, relative_lookup, ""); |
3021 | 3669 } |
3670 | |
7336 | 3671 if (retval) |
8819
96d87674b818
also stash directory name for subfunctions
John W. Eaton <jwe@octave.org>
parents:
8812
diff
changeset
|
3672 { |
96d87674b818
also stash directory name for subfunctions
John W. Eaton <jwe@octave.org>
parents:
8812
diff
changeset
|
3673 retval->stash_dir_name (dir_name); |
96d87674b818
also stash directory name for subfunctions
John W. Eaton <jwe@octave.org>
parents:
8812
diff
changeset
|
3674 |
96d87674b818
also stash directory name for subfunctions
John W. Eaton <jwe@octave.org>
parents:
8812
diff
changeset
|
3675 if (retval->is_user_function ()) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3676 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3677 symbol_table::scope_id id = retval->scope (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3678 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3679 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
|
3680 } |
8819
96d87674b818
also stash directory name for subfunctions
John W. Eaton <jwe@octave.org>
parents:
8812
diff
changeset
|
3681 } |
7336 | 3682 |
3683 return retval; | |
5312 | 3684 } |
3685 | |
8746
5dd06f19e9be
handle commands in the lexer
John W. Eaton <jwe@octave.org>
parents:
8745
diff
changeset
|
3686 DEFUN (autoload, args, , |
5484 | 3687 "-*- texinfo -*-\n\ |
17170
d6499c14021c
doc: Periodic grammarcheck of documentation.
Rik <rik@octave.org>
parents:
16924
diff
changeset
|
3688 @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
|
3689 @deftypefnx {Built-in Function} {} autoload (@dots{}, @asis{\"remove\"})\n\ |
5484 | 3690 Define @var{function} to autoload from @var{file}.\n\ |
5626 | 3691 \n\ |
6926 | 3692 The second argument, @var{file}, should be an absolute file name or\n\ |
3693 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
|
3694 the autoload command was run. @var{file} should not depend on the\n\ |
6926 | 3695 Octave load path.\n\ |
6380 | 3696 \n\ |
3697 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
|
3698 are evaluated when a directory is added to Octave's load path. To\n\ |
6926 | 3699 avoid having to hardcode directory names in @var{file}, if @var{file}\n\ |
3700 is in the same directory as the PKG_ADD script then\n\ | |
6380 | 3701 \n\ |
3702 @example\n\ | |
6926 | 3703 autoload (\"foo\", \"bar.oct\");\n\ |
6380 | 3704 @end example\n\ |
3705 \n\ | |
11572
7d6d8c1e471f
Grammarcheck Texinfo for files in src directory.
Rik <octave@nomad.inbox5.com>
parents:
11523
diff
changeset
|
3706 @noindent\n\ |
9038
fca0dc2fb042
Cleanup documentation files stmt.texi and func.texi
Rik <rdrider0-list@yahoo.com>
parents:
8974
diff
changeset
|
3707 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
|
3708 usage when @code{bar.oct} is not in the same directory or usages such as\n\ |
6380 | 3709 \n\ |
3710 @example\n\ | |
6637 | 3711 autoload (\"foo\", file_in_loadpath (\"bar.oct\"))\n\ |
6380 | 3712 @end example\n\ |
3713 \n\ | |
3714 @noindent\n\ | |
16789
2f63d2f3ff11
doc: Update docstrings in oct-parse.in.yy.
Rik <rik@octave.org>
parents:
16681
diff
changeset
|
3715 are strongly discouraged, as their behavior may be unpredictable.\n\ |
6380 | 3716 \n\ |
6637 | 3717 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
|
3718 \n\ |
77c8aae15908
accept remove option for autoload
Juan Pablo Carbajal <ajuanpi+dev@gmail.com>
parents:
16789
diff
changeset
|
3719 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
|
3720 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
|
3721 \n\ |
6380 | 3722 @seealso{PKG_ADD}\n\ |
5484 | 3723 @end deftypefn") |
3724 { | |
5626 | 3725 octave_value retval; |
5484 | 3726 |
3727 int nargin = args.length (); | |
3728 | |
5626 | 3729 if (nargin == 0) |
3730 { | |
10350
12884915a8e4
merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents:
10315
diff
changeset
|
3731 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
|
3732 Cell file_names (dim_vector (autoload_map.size (), 1)); |
5626 | 3733 |
3734 octave_idx_type i = 0; | |
3735 typedef std::map<std::string, std::string>::const_iterator am_iter; | |
3736 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
|
3737 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3738 func_names(i) = p->first; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3739 file_names(i) = p->second; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3740 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3741 i++; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3742 } |
5626 | 3743 |
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
|
3744 octave_map m; |
5626 | 3745 |
3746 m.assign ("function", func_names); | |
3747 m.assign ("file", file_names); | |
3748 | |
3749 retval = m; | |
3750 } | |
16848
77c8aae15908
accept remove option for autoload
Juan Pablo Carbajal <ajuanpi+dev@gmail.com>
parents:
16789
diff
changeset
|
3751 else if (nargin == 2 || nargin == 3) |
5484 | 3752 { |
3753 string_vector argv = args.make_argv ("autoload"); | |
3754 | |
3755 if (! error_state) | |
6380 | 3756 { |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3757 std::string nm = argv[2]; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3758 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3759 if (! octave_env::absolute_pathname (nm)) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3760 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3761 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
|
3762 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3763 bool found = false; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3764 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3765 if (fcn) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3766 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3767 std::string fname = fcn->fcn_file_name (); |
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 if (! fname.empty ()) |
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 fname = octave_env::make_absolute (fname); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3772 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
|
3773 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3774 file_stat fs (fname + nm); |
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 if (fs.exists ()) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3777 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3778 nm = fname + nm; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3779 found = true; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3780 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3781 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3782 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3783 if (! found) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3784 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
|
3785 "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
|
3786 nm.c_str ()); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3787 } |
16848
77c8aae15908
accept remove option for autoload
Juan Pablo Carbajal <ajuanpi+dev@gmail.com>
parents:
16789
diff
changeset
|
3788 if (nargin == 2) |
77c8aae15908
accept remove option for autoload
Juan Pablo Carbajal <ajuanpi+dev@gmail.com>
parents:
16789
diff
changeset
|
3789 autoload_map[argv[1]] = nm; |
77c8aae15908
accept remove option for autoload
Juan Pablo Carbajal <ajuanpi+dev@gmail.com>
parents:
16789
diff
changeset
|
3790 else if (nargin == 3) |
77c8aae15908
accept remove option for autoload
Juan Pablo Carbajal <ajuanpi+dev@gmail.com>
parents:
16789
diff
changeset
|
3791 { |
77c8aae15908
accept remove option for autoload
Juan Pablo Carbajal <ajuanpi+dev@gmail.com>
parents:
16789
diff
changeset
|
3792 if (argv[3].compare ("remove") != 0) |
77c8aae15908
accept remove option for autoload
Juan Pablo Carbajal <ajuanpi+dev@gmail.com>
parents:
16789
diff
changeset
|
3793 error_with_id ("Octave:invalid-input-arg", |
77c8aae15908
accept remove option for autoload
Juan Pablo Carbajal <ajuanpi+dev@gmail.com>
parents:
16789
diff
changeset
|
3794 "autoload: third argument can only be 'remove'"); |
77c8aae15908
accept remove option for autoload
Juan Pablo Carbajal <ajuanpi+dev@gmail.com>
parents:
16789
diff
changeset
|
3795 |
77c8aae15908
accept remove option for autoload
Juan Pablo Carbajal <ajuanpi+dev@gmail.com>
parents:
16789
diff
changeset
|
3796 // 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
|
3797 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
|
3798 autoload_map.erase (argv[1]); |
77c8aae15908
accept remove option for autoload
Juan Pablo Carbajal <ajuanpi+dev@gmail.com>
parents:
16789
diff
changeset
|
3799 } |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3800 } |
5484 | 3801 } |
3802 else | |
5823 | 3803 print_usage (); |
5484 | 3804 |
3805 return retval; | |
3806 } | |
3807 | |
4486 | 3808 void |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3809 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
|
3810 bool verbose, bool require_file, const std::string& warn_for) |
4486 | 3811 { |
10578
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3812 // 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
|
3813 // 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
|
3814 // 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
|
3815 // written as |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3816 // |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3817 // foo1.m: |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3818 // ------ |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3819 // foo2 |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3820 // |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3821 // foo2.m: |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3822 // ------ |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3823 // foo1 |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3824 // |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3825 // and called with |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3826 // |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3827 // foo1 |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3828 // |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3829 // (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
|
3830 // |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3831 // foo1.m: |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3832 // ------ |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3833 // source ("foo2.m") |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3834 // |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3835 // foo2.m: |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3836 // ------ |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3837 // source ("foo1.m") |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3838 // |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3839 // and called with |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3840 // |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3841 // source ("foo1.m") |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3842 // |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3843 // (for example). |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3844 |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3845 static std::map<std::string, int> source_call_depth; |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3846 |
4486 | 3847 std::string file_full_name = file_ops::tilde_expand (file_name); |
3848 | |
10578
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3849 file_full_name = octave_env::make_absolute (file_full_name); |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3850 |
10067
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3851 unwind_protect frame; |
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3852 |
10578
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3853 if (source_call_depth.find (file_full_name) == source_call_depth.end ()) |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3854 source_call_depth[file_full_name] = -1; |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3855 |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3856 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
|
3857 |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3858 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
|
3859 |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3860 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
|
3861 { |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3862 error ("max_recursion_depth exceeded"); |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3863 return; |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3864 } |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3865 |
5975 | 3866 if (! context.empty ()) |
3867 { | |
3868 if (context == "caller") | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3869 octave_call_stack::goto_caller_frame (); |
5975 | 3870 else if (context == "base") |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3871 octave_call_stack::goto_base_frame (); |
5975 | 3872 else |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3873 error ("source: context must be \"caller\" or \"base\""); |
7336 | 3874 |
3875 if (! error_state) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3876 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
|
3877 } |
5975 | 3878 |
3879 if (! error_state) | |
3880 { | |
16203
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3881 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
|
3882 "", require_file, true, |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3883 false, false, warn_for); |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3884 |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3885 if (! error_state) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3886 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3887 if (fcn && fcn->is_user_script ()) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3888 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3889 octave_value_list args; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3890 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3891 if (verbose) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3892 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3893 std::cout << "executing commands from " << file_full_name << " ... "; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3894 reading_startup_message_printed = true; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3895 std::cout.flush (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3896 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3897 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3898 fcn->do_multi_index_op (0, args); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3899 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3900 if (verbose) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3901 std::cout << "done." << std::endl; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3902 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3903 delete fcn; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3904 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3905 } |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3906 else |
15466
d174210ce1ec
use ' instead of ` in error messages, warnings and most comments
John W. Eaton <jwe@octave.org>
parents:
14189
diff
changeset
|
3907 error ("source: error sourcing file '%s'", |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3908 file_full_name.c_str ()); |
5975 | 3909 } |
4486 | 3910 } |
3911 | |
5739 | 3912 DEFUN (mfilename, args, , |
3913 "-*- texinfo -*-\n\ | |
11572
7d6d8c1e471f
Grammarcheck Texinfo for files in src directory.
Rik <octave@nomad.inbox5.com>
parents:
11523
diff
changeset
|
3914 @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
|
3915 @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
|
3916 @deftypefnx {Built-in Function} {} mfilename (\"fullpathext\")\n\ |
5739 | 3917 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
|
3918 return the empty string. Given the argument @qcode{\"fullpath\"},\n\ |
5739 | 3919 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
|
3920 Given the argument @qcode{\"fullpathext\"}, include the directory part\n\ |
5739 | 3921 of the file name and the extension.\n\ |
5774 | 3922 @end deftypefn") |
5739 | 3923 { |
3924 octave_value retval; | |
3925 | |
3926 int nargin = args.length (); | |
3927 | |
3928 if (nargin > 1) | |
3929 { | |
5823 | 3930 print_usage (); |
5739 | 3931 return retval; |
3932 } | |
3933 | |
3934 std::string arg; | |
3935 | |
3936 if (nargin == 1) | |
3937 { | |
3938 arg = args(0).string_value (); | |
3939 | |
3940 if (error_state) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3941 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3942 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
|
3943 return retval; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3944 } |
5739 | 3945 } |
3946 | |
3947 std::string fname; | |
3948 | |
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
|
3949 octave_user_code *fcn = octave_call_stack::caller_user_code (); |
5743 | 3950 |
3951 if (fcn) | |
3952 { | |
3953 fname = fcn->fcn_file_name (); | |
3954 | |
3955 if (fname.empty ()) | |
3956 fname = fcn->name (); | |
3957 } | |
5739 | 3958 |
3959 if (arg == "fullpathext") | |
3960 retval = fname; | |
3961 else | |
3962 { | |
8007
a2ab20ba78f7
make file_ops a proper singleton class
John W. Eaton <jwe@octave.org>
parents:
8001
diff
changeset
|
3963 size_t dpos = fname.rfind (file_ops::dir_sep_char ()); |
5747 | 3964 size_t epos = fname.rfind ('.'); |
3965 | |
3966 if (epos <= dpos) | |
8021 | 3967 epos = std::string::npos; |
3968 | |
3969 fname = (epos != std::string::npos) ? fname.substr (0, epos) : fname; | |
5739 | 3970 |
3971 if (arg == "fullpath") | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3972 retval = fname; |
5739 | 3973 else |
8021 | 3974 retval = (dpos != std::string::npos) ? fname.substr (dpos+1) : fname; |
5739 | 3975 } |
3976 | |
3977 return retval; | |
3978 } | |
3979 | |
3021 | 3980 DEFUN (source, args, , |
3371 | 3981 "-*- texinfo -*-\n\ |
3982 @deftypefn {Built-in Function} {} source (@var{file})\n\ | |
3983 Parse and execute the contents of @var{file}. This is equivalent to\n\ | |
3984 executing commands from a script file, but without requiring the file to\n\ | |
3985 be named @file{@var{file}.m}.\n\ | |
3986 @end deftypefn") | |
3021 | 3987 { |
3988 octave_value_list retval; | |
3989 | |
3990 int nargin = args.length (); | |
3991 | |
5975 | 3992 if (nargin == 1 || nargin == 2) |
3021 | 3993 { |
3523 | 3994 std::string file_name = args(0).string_value (); |
3021 | 3995 |
3996 if (! error_state) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3997 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3998 std::string context; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3999 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4000 if (nargin == 2) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4001 context = args(1).string_value (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4002 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4003 if (! error_state) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4004 source_file (file_name, context); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4005 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4006 error ("source: expecting context to be character string"); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4007 } |
3021 | 4008 else |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4009 error ("source: expecting file name as argument"); |
3021 | 4010 } |
4011 else | |
5823 | 4012 print_usage (); |
3021 | 4013 |
4014 return retval; | |
4015 } | |
4016 | |
3726 | 4017 // Evaluate an Octave function (built-in or interpreted) and return |
3844 | 4018 // the list of result values. NAME is the name of the function to |
4019 // 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
|
4020 // number of output arguments expected. |
3726 | 4021 |
3021 | 4022 octave_value_list |
3523 | 4023 feval (const std::string& name, const octave_value_list& args, int nargout) |
3156 | 4024 { |
4025 octave_value_list retval; | |
4026 | |
7336 | 4027 octave_value fcn = symbol_table::find_function (name, args); |
4028 | |
4029 if (fcn.is_defined ()) | |
4030 retval = fcn.do_multi_index_op (nargout, args); | |
4031 else | |
10443
34e51d4e199b
implement smart warnings about missing Matlab functionality
Jaroslav Hajek <highegg@gmail.com>
parents:
10426
diff
changeset
|
4032 { |
34e51d4e199b
implement smart warnings about missing Matlab functionality
Jaroslav Hajek <highegg@gmail.com>
parents:
10426
diff
changeset
|
4033 maybe_missing_function_hook (name); |
34e51d4e199b
implement smart warnings about missing Matlab functionality
Jaroslav Hajek <highegg@gmail.com>
parents:
10426
diff
changeset
|
4034 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
|
4035 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
|
4036 } |
3156 | 4037 |
4038 return retval; | |
4039 } | |
4040 | |
4342 | 4041 octave_value_list |
4042 feval (octave_function *fcn, const octave_value_list& args, int nargout) | |
4043 { | |
4044 octave_value_list retval; | |
4045 | |
4046 if (fcn) | |
4047 retval = fcn->do_multi_index_op (nargout, args); | |
4048 | |
4049 return retval; | |
4050 } | |
4051 | |
4052 static octave_value_list | |
4053 get_feval_args (const octave_value_list& args) | |
4054 { | |
10659
8baff2aceabc
fix slicing value lists with name tags (bug #29960)
Jaroslav Hajek <highegg@gmail.com>
parents:
10578
diff
changeset
|
4055 return args.slice (1, args.length () - 1, true); |
4342 | 4056 } |
4057 | |
4058 | |
3726 | 4059 // Evaluate an Octave function (built-in or interpreted) and return |
4060 // the list of result values. The first element of ARGS should be a | |
4061 // string containing the name of the function to call, then the rest | |
4062 // are the actual arguments to the function. NARGOUT is the number of | |
4063 // output arguments expected. | |
4064 | |
3156 | 4065 octave_value_list |
3021 | 4066 feval (const octave_value_list& args, int nargout) |
4067 { | |
4068 octave_value_list retval; | |
4069 | |
4342 | 4070 int nargin = args.length (); |
4071 | |
4072 if (nargin > 0) | |
3021 | 4073 { |
4342 | 4074 octave_value f_arg = args(0); |
4075 | |
4076 if (f_arg.is_string ()) | |
4077 { | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4078 std::string name = f_arg.string_value (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4079 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4080 if (! error_state) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4081 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4082 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
|
4083 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4084 retval = feval (name, tmp_args, nargout); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4085 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4086 } |
13241
2a8dcb5b3a00
improve default indexing for objects
John W. Eaton <jwe@octave.org>
parents:
13237
diff
changeset
|
4087 else if (f_arg.is_function_handle () |
2a8dcb5b3a00
improve default indexing for objects
John W. Eaton <jwe@octave.org>
parents:
13237
diff
changeset
|
4088 || f_arg.is_anonymous_function () |
2a8dcb5b3a00
improve default indexing for objects
John W. Eaton <jwe@octave.org>
parents:
13237
diff
changeset
|
4089 || f_arg.is_inline_function ()) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4090 { |
10492
a6b64a7a3769
make feval work with overloaded handles
Jaroslav Hajek <highegg@gmail.com>
parents:
10463
diff
changeset
|
4091 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
|
4092 |
a6b64a7a3769
make feval work with overloaded handles
Jaroslav Hajek <highegg@gmail.com>
parents:
10463
diff
changeset
|
4093 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
|
4094 } |
10492
a6b64a7a3769
make feval work with overloaded handles
Jaroslav Hajek <highegg@gmail.com>
parents:
10463
diff
changeset
|
4095 else |
a6b64a7a3769
make feval work with overloaded handles
Jaroslav Hajek <highegg@gmail.com>
parents:
10463
diff
changeset
|
4096 error ("feval: first argument must be a string, inline function or a function handle"); |
3021 | 4097 } |
4098 | |
4099 return retval; | |
4100 } | |
4101 | |
4102 DEFUN (feval, args, nargout, | |
3371 | 4103 "-*- texinfo -*-\n\ |
4104 @deftypefn {Built-in Function} {} feval (@var{name}, @dots{})\n\ | |
4105 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
|
4106 are passed as inputs to the named function. For example,\n\ |
3371 | 4107 \n\ |
4108 @example\n\ | |
11572
7d6d8c1e471f
Grammarcheck Texinfo for files in src directory.
Rik <octave@nomad.inbox5.com>
parents:
11523
diff
changeset
|
4109 @group\n\ |
3371 | 4110 feval (\"acos\", -1)\n\ |
4111 @result{} 3.1416\n\ | |
11572
7d6d8c1e471f
Grammarcheck Texinfo for files in src directory.
Rik <octave@nomad.inbox5.com>
parents:
11523
diff
changeset
|
4112 @end group\n\ |
3371 | 4113 @end example\n\ |
3021 | 4114 \n\ |
3371 | 4115 @noindent\n\ |
4116 calls the function @code{acos} with the argument @samp{-1}.\n\ | |
4117 \n\ | |
12946
8b5b85e26246
octave-parse.yy (feval): Update docstring to refer to function handles.
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents:
12918
diff
changeset
|
4118 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
|
4119 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
|
4120 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
|
4121 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
|
4122 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
|
4123 \n\ |
8b5b85e26246
octave-parse.yy (feval): Update docstring to refer to function handles.
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents:
12918
diff
changeset
|
4124 @example\n\ |
8b5b85e26246
octave-parse.yy (feval): Update docstring to refer to function handles.
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents:
12918
diff
changeset
|
4125 @group\n\ |
8b5b85e26246
octave-parse.yy (feval): Update docstring to refer to function handles.
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents:
12918
diff
changeset
|
4126 @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
|
4127 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
|
4128 @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
|
4129 @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
|
4130 @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
|
4131 @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
|
4132 @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
|
4133 \n\ |
8b5b85e26246
octave-parse.yy (feval): Update docstring to refer to function handles.
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents:
12918
diff
changeset
|
4134 @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
|
4135 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
|
4136 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
|
4137 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
|
4138 instead.\n\ |
3371 | 4139 @end deftypefn") |
3021 | 4140 { |
4141 octave_value_list retval; | |
4142 | |
4143 int nargin = args.length (); | |
4144 | |
4145 if (nargin > 0) | |
4146 retval = feval (args, nargout); | |
4147 else | |
5823 | 4148 print_usage (); |
3021 | 4149 |
4150 return retval; | |
4151 } | |
4152 | |
11225
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4153 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
|
4154 "-*- texinfo -*-\n\ |
16789
2f63d2f3ff11
doc: Update docstrings in oct-parse.in.yy.
Rik <rik@octave.org>
parents:
16681
diff
changeset
|
4155 @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
|
4156 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
|
4157 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
|
4158 \n\ |
2f63d2f3ff11
doc: Update docstrings in oct-parse.in.yy.
Rik <rik@octave.org>
parents:
16681
diff
changeset
|
4159 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
|
4160 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
|
4161 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
|
4162 \n\ |
2f63d2f3ff11
doc: Update docstrings in oct-parse.in.yy.
Rik <rik@octave.org>
parents:
16681
diff
changeset
|
4163 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
|
4164 @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
|
4165 \n\ |
2f63d2f3ff11
doc: Update docstrings in oct-parse.in.yy.
Rik <rik@octave.org>
parents:
16681
diff
changeset
|
4166 @example\n\ |
2f63d2f3ff11
doc: Update docstrings in oct-parse.in.yy.
Rik <rik@octave.org>
parents:
16681
diff
changeset
|
4167 @group\n\ |
2f63d2f3ff11
doc: Update docstrings in oct-parse.in.yy.
Rik <rik@octave.org>
parents:
16681
diff
changeset
|
4168 sin (0)\n\ |
2f63d2f3ff11
doc: Update docstrings in oct-parse.in.yy.
Rik <rik@octave.org>
parents:
16681
diff
changeset
|
4169 @result{} 0\n\ |
2f63d2f3ff11
doc: Update docstrings in oct-parse.in.yy.
Rik <rik@octave.org>
parents:
16681
diff
changeset
|
4170 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
|
4171 sin (0)\n\ |
2f63d2f3ff11
doc: Update docstrings in oct-parse.in.yy.
Rik <rik@octave.org>
parents:
16681
diff
changeset
|
4172 @result{} 1\n\ |
2f63d2f3ff11
doc: Update docstrings in oct-parse.in.yy.
Rik <rik@octave.org>
parents:
16681
diff
changeset
|
4173 builtin (\"sin\", 0)\n\ |
2f63d2f3ff11
doc: Update docstrings in oct-parse.in.yy.
Rik <rik@octave.org>
parents:
16681
diff
changeset
|
4174 @result{} 0\n\ |
2f63d2f3ff11
doc: Update docstrings in oct-parse.in.yy.
Rik <rik@octave.org>
parents:
16681
diff
changeset
|
4175 @end group\n\ |
2f63d2f3ff11
doc: Update docstrings in oct-parse.in.yy.
Rik <rik@octave.org>
parents:
16681
diff
changeset
|
4176 @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
|
4177 @end deftypefn") |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4178 { |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
4179 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
|
4180 |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4181 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
|
4182 |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4183 if (nargin > 0) |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4184 { |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4185 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
|
4186 |
11225
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4187 if (! error_state) |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4188 { |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4189 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
|
4190 |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4191 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
|
4192 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
|
4193 nargout); |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4194 else |
15466
d174210ce1ec
use ' instead of ` in error messages, warnings and most comments
John W. Eaton <jwe@octave.org>
parents:
14189
diff
changeset
|
4195 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
|
4196 } |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4197 else |
12483
7a5aacf65f81
Rewrite error strings in src/ to use variables named in documentation.
Rik <octave@nomad.inbox5.com>
parents:
12400
diff
changeset
|
4198 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
|
4199 } |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4200 else |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4201 print_usage (); |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4202 |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4203 return retval; |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4204 } |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4205 |
3099 | 4206 octave_value_list |
16195
b52d2f9294b6
use class for reading lexer input
John W. Eaton <jwe@octave.org>
parents:
16187
diff
changeset
|
4207 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
|
4208 int& parse_status, int nargout) |
3021 | 4209 { |
3877 | 4210 octave_value_list retval; |
4211 | |
10067
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
4212 unwind_protect frame; |
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
4213 |
16287
04a7953496a7
create base class for parser; use reference for curr_lexer
John W. Eaton <jwe@octave.org>
parents:
16285
diff
changeset
|
4214 // 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
|
4215 frame.protect_var (LEXER); |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
4216 |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
4217 octave_parser parser (eval_str); |
16195
b52d2f9294b6
use class for reading lexer input
John W. Eaton <jwe@octave.org>
parents:
16187
diff
changeset
|
4218 |
3877 | 4219 do |
4220 { | |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
4221 parser.reset (); |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
4222 |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
4223 parse_status = parser.run (); |
3877 | 4224 |
9260
9c2349a51218
properly unmark forced variables
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
4225 // Unmark forced variables. |
16177
a7669b4d27f6
eliminate global global_command variable
John W. Eaton <jwe@octave.org>
parents:
16174
diff
changeset
|
4226 frame.run (1); |
7903
8018e10d2b87
save and restore global_command as needed
John W. Eaton <jwe@octave.org>
parents:
7901
diff
changeset
|
4227 |
3883 | 4228 if (parse_status == 0) |
3877 | 4229 { |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
4230 if (parser.stmt_list) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4231 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4232 tree_statement *stmt = 0; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4233 |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
4234 if (parser.stmt_list->length () == 1 |
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
4235 && (stmt = parser.stmt_list->front ()) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4236 && stmt->is_expression ()) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4237 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4238 tree_expression *expr = stmt->expression (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4239 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4240 if (silent) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4241 expr->set_print_flag (false); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4242 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4243 bool do_bind_ans = false; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4244 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4245 if (expr->is_identifier ()) |
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 tree_identifier *id |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4248 = dynamic_cast<tree_identifier *> (expr); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4249 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4250 do_bind_ans = (! id->is_variable ()); |
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 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4253 do_bind_ans = (! expr->is_assignment_expression ()); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4254 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4255 retval = expr->rvalue (nargout); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4256 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4257 if (do_bind_ans && ! (error_state || retval.empty ())) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4258 bind_ans (retval(0), expr->print_result ()); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4259 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4260 if (nargout == 0) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4261 retval = octave_value_list (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4262 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4263 else if (nargout == 0) |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
4264 parser.stmt_list->accept (*current_evaluator); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4265 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4266 error ("eval: invalid use of statement list"); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4267 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4268 if (error_state |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4269 || tree_return_command::returning |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4270 || tree_break_command::breaking |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4271 || tree_continue_command::continuing) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4272 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4273 } |
16288
fe3b9a51e625
rename curr_lexer, curr_parser, CURR_LEXER
John W. Eaton <jwe@octave.org>
parents:
16287
diff
changeset
|
4274 else if (parser.lexer.end_of_input) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4275 break; |
3883 | 4276 } |
3877 | 4277 } |
4278 while (parse_status == 0); | |
3021 | 4279 |
4280 return retval; | |
4281 } | |
4282 | |
4283 octave_value | |
16195
b52d2f9294b6
use class for reading lexer input
John W. Eaton <jwe@octave.org>
parents:
16187
diff
changeset
|
4284 eval_string (const std::string& eval_str, bool silent, int& parse_status) |
3021 | 4285 { |
4286 octave_value retval; | |
4287 | |
16195
b52d2f9294b6
use class for reading lexer input
John W. Eaton <jwe@octave.org>
parents:
16187
diff
changeset
|
4288 octave_value_list tmp = eval_string (eval_str, silent, parse_status, 1); |
3021 | 4289 |
4290 if (! tmp.empty ()) | |
4291 retval = tmp(0); | |
4292 | |
4293 return retval; | |
4294 } | |
4295 | |
4296 static octave_value_list | |
4297 eval_string (const octave_value& arg, bool silent, int& parse_status, | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4298 int nargout) |
3021 | 4299 { |
3523 | 4300 std::string s = arg.string_value (); |
3021 | 4301 |
4302 if (error_state) | |
4303 { | |
3523 | 4304 error ("eval: expecting std::string argument"); |
4233 | 4305 return octave_value (-1); |
3021 | 4306 } |
4307 | |
4308 return eval_string (s, silent, parse_status, nargout); | |
4309 } | |
4310 | |
13970 | 4311 void |
4312 cleanup_statement_list (tree_statement_list **lst) | |
4313 { | |
4314 if (*lst) | |
4315 { | |
4316 delete *lst; | |
4317 *lst = 0; | |
4318 } | |
4319 } | |
4320 | |
3021 | 4321 DEFUN (eval, args, nargout, |
3371 | 4322 "-*- texinfo -*-\n\ |
14172
cba1c681f1b7
doc: Update seealso references for eval family of functions.
Rik <octave@nomad.inbox5.com>
parents:
14153
diff
changeset
|
4323 @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
|
4324 @deftypefnx {Built-in Function} {} eval (@var{try}, @var{catch})\n\ |
3371 | 4325 Parse the string @var{try} and evaluate it as if it were an Octave\n\ |
6643 | 4326 program. If that fails, evaluate the optional string @var{catch}.\n\ |
4463 | 4327 The string @var{try} is evaluated in the current context,\n\ |
4328 so any results remain available after @code{eval} returns.\n\ | |
6643 | 4329 \n\ |
16789
2f63d2f3ff11
doc: Update docstrings in oct-parse.in.yy.
Rik <rik@octave.org>
parents:
16681
diff
changeset
|
4330 The following example makes the variable @var{A} with the approximate\n\ |
6643 | 4331 value 3.1416 available.\n\ |
4332 \n\ | |
4333 @example\n\ | |
16789
2f63d2f3ff11
doc: Update docstrings in oct-parse.in.yy.
Rik <rik@octave.org>
parents:
16681
diff
changeset
|
4334 eval (\"A = acos(-1);\");\n\ |
6643 | 4335 @end example\n\ |
4336 \n\ | |
4337 If an error occurs during the evaluation of @var{try} the @var{catch}\n\ | |
8828 | 4338 string is evaluated, as the following example shows:\n\ |
6643 | 4339 \n\ |
4340 @example\n\ | |
11572
7d6d8c1e471f
Grammarcheck Texinfo for files in src directory.
Rik <octave@nomad.inbox5.com>
parents:
11523
diff
changeset
|
4341 @group\n\ |
6643 | 4342 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
|
4343 'printf (\"This error occurred:\\n%s\\n\", lasterr ());');\n\ |
7001 | 4344 @print{} This error occurred:\n\ |
8015
30629059b72d
Update the manual to reflect the changes in error output
sh@sh-laptop
parents:
8007
diff
changeset
|
4345 This is a bad example\n\ |
11572
7d6d8c1e471f
Grammarcheck Texinfo for files in src directory.
Rik <octave@nomad.inbox5.com>
parents:
11523
diff
changeset
|
4346 @end group\n\ |
6643 | 4347 @end example\n\ |
14172
cba1c681f1b7
doc: Update seealso references for eval family of functions.
Rik <octave@nomad.inbox5.com>
parents:
14153
diff
changeset
|
4348 \n\ |
cba1c681f1b7
doc: Update seealso references for eval family of functions.
Rik <octave@nomad.inbox5.com>
parents:
14153
diff
changeset
|
4349 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
|
4350 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
|
4351 code strings.\n\ |
cba1c681f1b7
doc: Update seealso references for eval family of functions.
Rik <octave@nomad.inbox5.com>
parents:
14153
diff
changeset
|
4352 @seealso{evalin}\n\ |
3371 | 4353 @end deftypefn") |
3021 | 4354 { |
4355 octave_value_list retval; | |
4356 | |
4357 int nargin = args.length (); | |
4358 | |
4359 if (nargin > 0) | |
4360 { | |
10067
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
4361 unwind_protect frame; |
3021 | 4362 |
4363 if (nargin > 1) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4364 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10250
diff
changeset
|
4365 frame.protect_var (buffer_error_messages); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4366 buffer_error_messages++; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4367 } |
3021 | 4368 |
4369 int parse_status = 0; | |
4370 | |
4463 | 4371 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
|
4372 parse_status, nargout); |
4463 | 4373 |
3021 | 4374 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
|
4375 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4376 error_state = 0; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4377 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10250
diff
changeset
|
4378 // 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
|
4379 // errors that occurred in the first part of this eval(). |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10250
diff
changeset
|
4380 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4381 buffer_error_messages--; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10250
diff
changeset
|
4382 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10250
diff
changeset
|
4383 tmp = eval_string (args(1), nargout > 0, parse_status, nargout); |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
4384 |
57a59eae83cc
untabify src C++ source files
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10250
diff
changeset
|
4385 if (nargout > 0) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10250
diff
changeset
|
4386 retval = tmp; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10250
diff
changeset
|
4387 } |
8033
2ad5ba320b93
parse.y (Feval): Return value produced by evaluating CATCH string
John W. Eaton <jwe@octave.org>
parents:
8021
diff
changeset
|
4388 else if (nargout > 0) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10250
diff
changeset
|
4389 retval = tmp; |
3021 | 4390 } |
4391 else | |
5823 | 4392 print_usage (); |
3021 | 4393 |
4394 return retval; | |
4395 } | |
4396 | |
7562
c827f5673321
move tests to individual source files
John W. Eaton <jwe@octave.org>
parents:
7351
diff
changeset
|
4397 /* |
c827f5673321
move tests to individual source files
John W. Eaton <jwe@octave.org>
parents:
7351
diff
changeset
|
4398 |
14084
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
13970
diff
changeset
|
4399 %!shared x |
7562
c827f5673321
move tests to individual source files
John W. Eaton <jwe@octave.org>
parents:
7351
diff
changeset
|
4400 %! x = 1; |
14084
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
13970
diff
changeset
|
4401 |
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
13970
diff
changeset
|
4402 %!assert (eval ("x"), 1) |
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
13970
diff
changeset
|
4403 %!assert (eval ("x;")) |
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
13970
diff
changeset
|
4404 %!assert (eval ("x;"), 1); |
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
13970
diff
changeset
|
4405 |
7562
c827f5673321
move tests to individual source files
John W. Eaton <jwe@octave.org>
parents:
7351
diff
changeset
|
4406 %!test |
14084
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
13970
diff
changeset
|
4407 %! y = eval ("x"); |
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
13970
diff
changeset
|
4408 %! assert (y, 1); |
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
13970
diff
changeset
|
4409 |
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
13970
diff
changeset
|
4410 %!test |
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
13970
diff
changeset
|
4411 %! y = eval ("x;"); |
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
13970
diff
changeset
|
4412 %! assert (y, 1); |
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
13970
diff
changeset
|
4413 |
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
13970
diff
changeset
|
4414 %!test |
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
13970
diff
changeset
|
4415 %! eval ("x = 1;") |
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
13970
diff
changeset
|
4416 %! assert (x,1); |
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
13970
diff
changeset
|
4417 |
7562
c827f5673321
move tests to individual source files
John W. Eaton <jwe@octave.org>
parents:
7351
diff
changeset
|
4418 %!test |
c827f5673321
move tests to individual source files
John W. Eaton <jwe@octave.org>
parents:
7351
diff
changeset
|
4419 %! eval ("flipud = 2;"); |
14084
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
13970
diff
changeset
|
4420 %! assert (flipud, 2); |
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
13970
diff
changeset
|
4421 |
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
13970
diff
changeset
|
4422 %!function y = __f () |
7562
c827f5673321
move tests to individual source files
John W. Eaton <jwe@octave.org>
parents:
7351
diff
changeset
|
4423 %! eval ("flipud = 2;"); |
c827f5673321
move tests to individual source files
John W. Eaton <jwe@octave.org>
parents:
7351
diff
changeset
|
4424 %! y = flipud; |
14084
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
13970
diff
changeset
|
4425 %!endfunction |
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
13970
diff
changeset
|
4426 %!assert (__f(), 2) |
7562
c827f5673321
move tests to individual source files
John W. Eaton <jwe@octave.org>
parents:
7351
diff
changeset
|
4427 |
14533
e6aa044253eb
Allow comma at the end of an assignment list (bug #35645)
Max Brister <max@2bass.com>
parents:
14512
diff
changeset
|
4428 % bug #35645 |
e6aa044253eb
Allow comma at the end of an assignment list (bug #35645)
Max Brister <max@2bass.com>
parents:
14512
diff
changeset
|
4429 %!test |
e6aa044253eb
Allow comma at the end of an assignment list (bug #35645)
Max Brister <max@2bass.com>
parents:
14512
diff
changeset
|
4430 %! [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
|
4431 %! [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
|
4432 |
7562
c827f5673321
move tests to individual source files
John W. Eaton <jwe@octave.org>
parents:
7351
diff
changeset
|
4433 */ |
c827f5673321
move tests to individual source files
John W. Eaton <jwe@octave.org>
parents:
7351
diff
changeset
|
4434 |
4661 | 4435 DEFUN (assignin, args, , |
4297 | 4436 "-*- texinfo -*-\n\ |
4437 @deftypefn {Built-in Function} {} assignin (@var{context}, @var{varname}, @var{value})\n\ | |
4438 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
|
4439 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
|
4440 @seealso{evalin}\n\ |
4297 | 4441 @end deftypefn") |
4442 { | |
4443 octave_value_list retval; | |
4444 | |
4445 int nargin = args.length (); | |
4446 | |
4447 if (nargin == 3) | |
4448 { | |
4449 std::string context = args(0).string_value (); | |
4450 | |
4451 if (! error_state) | |
4452 { | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4453 unwind_protect frame; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4454 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4455 if (context == "caller") |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4456 octave_call_stack::goto_caller_frame (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4457 else if (context == "base") |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4458 octave_call_stack::goto_base_frame (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4459 else |
12483
7a5aacf65f81
Rewrite error strings in src/ to use variables named in documentation.
Rik <octave@nomad.inbox5.com>
parents:
12400
diff
changeset
|
4460 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
|
4461 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4462 if (! error_state) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4463 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4464 frame.add_fcn (octave_call_stack::pop); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4465 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4466 std::string nm = args(1).string_value (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4467 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4468 if (! error_state) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4469 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4470 if (valid_identifier (nm)) |
16442
302157614308
deprecate symbol_table::varref functions
John W. Eaton <jwe@octave.org>
parents:
16360
diff
changeset
|
4471 symbol_table::assign (nm, args(2)); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4472 else |
12483
7a5aacf65f81
Rewrite error strings in src/ to use variables named in documentation.
Rik <octave@nomad.inbox5.com>
parents:
12400
diff
changeset
|
4473 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
|
4474 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4475 else |
12483
7a5aacf65f81
Rewrite error strings in src/ to use variables named in documentation.
Rik <octave@nomad.inbox5.com>
parents:
12400
diff
changeset
|
4476 error ("assignin: VARNAME must be a string"); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4477 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4478 } |
4297 | 4479 else |
12483
7a5aacf65f81
Rewrite error strings in src/ to use variables named in documentation.
Rik <octave@nomad.inbox5.com>
parents:
12400
diff
changeset
|
4480 error ("assignin: CONTEXT must be a string"); |
4297 | 4481 } |
4482 else | |
5823 | 4483 print_usage (); |
4297 | 4484 |
4485 return retval; | |
4486 } | |
4487 | |
4245 | 4488 DEFUN (evalin, args, nargout, |
4489 "-*- texinfo -*-\n\ | |
14172
cba1c681f1b7
doc: Update seealso references for eval family of functions.
Rik <octave@nomad.inbox5.com>
parents:
14153
diff
changeset
|
4490 @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
|
4491 @deftypefnx {Built-in Function} {} evalin (@var{context}, @var{try}, @var{catch})\n\ |
4245 | 4492 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
|
4493 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
|
4494 @qcode{\"base\"}.\n\ |
14172
cba1c681f1b7
doc: Update seealso references for eval family of functions.
Rik <octave@nomad.inbox5.com>
parents:
14153
diff
changeset
|
4495 @seealso{eval, assignin}\n\ |
4245 | 4496 @end deftypefn") |
4497 { | |
4498 octave_value_list retval; | |
4499 | |
4500 int nargin = args.length (); | |
4501 | |
4502 if (nargin > 1) | |
4503 { | |
4504 std::string context = args(0).string_value (); | |
4505 | |
4506 if (! error_state) | |
4507 { | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4508 unwind_protect frame; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4509 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4510 if (context == "caller") |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4511 octave_call_stack::goto_caller_frame (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4512 else if (context == "base") |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4513 octave_call_stack::goto_base_frame (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4514 else |
12483
7a5aacf65f81
Rewrite error strings in src/ to use variables named in documentation.
Rik <octave@nomad.inbox5.com>
parents:
12400
diff
changeset
|
4515 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
|
4516 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4517 if (! error_state) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4518 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4519 frame.add_fcn (octave_call_stack::pop); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4520 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4521 if (nargin > 2) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4522 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4523 frame.protect_var (buffer_error_messages); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4524 buffer_error_messages++; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4525 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4526 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4527 int parse_status = 0; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4528 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4529 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
|
4530 parse_status, nargout); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4531 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4532 if (nargout > 0) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4533 retval = tmp; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4534 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4535 if (nargin > 2 && (parse_status != 0 || error_state)) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4536 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4537 error_state = 0; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4538 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4539 // 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
|
4540 // 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
|
4541 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4542 buffer_error_messages--; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4543 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4544 tmp = eval_string (args(2), nargout > 0, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4545 parse_status, nargout); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4546 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4547 retval = (nargout > 0) ? tmp : octave_value_list (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4548 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4549 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4550 } |
4245 | 4551 else |
12483
7a5aacf65f81
Rewrite error strings in src/ to use variables named in documentation.
Rik <octave@nomad.inbox5.com>
parents:
12400
diff
changeset
|
4552 error ("evalin: CONTEXT must be a string"); |
4245 | 4553 } |
4554 else | |
5823 | 4555 print_usage (); |
4245 | 4556 |
4557 return retval; | |
4558 } | |
4559 | |
8311
7124bffc89c7
parse.y (F__parser_debug_flag__): New function.
John W. Eaton <jwe@octave.org>
parents:
8283
diff
changeset
|
4560 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
|
4561 "-*- texinfo -*-\n\ |
7d48766c21a5
use consistent format for doc strings of internal functions
John W. Eaton <jwe@octave.org>
parents:
8746
diff
changeset
|
4562 @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
|
4563 Undocumented internal function.\n\ |
7d48766c21a5
use consistent format for doc strings of internal functions
John W. Eaton <jwe@octave.org>
parents:
8746
diff
changeset
|
4564 @end deftypefn") |
8311
7124bffc89c7
parse.y (F__parser_debug_flag__): New function.
John W. Eaton <jwe@octave.org>
parents:
8283
diff
changeset
|
4565 { |
7124bffc89c7
parse.y (F__parser_debug_flag__): New function.
John W. Eaton <jwe@octave.org>
parents:
8283
diff
changeset
|
4566 octave_value retval; |
7124bffc89c7
parse.y (F__parser_debug_flag__): New function.
John W. Eaton <jwe@octave.org>
parents:
8283
diff
changeset
|
4567 |
7124bffc89c7
parse.y (F__parser_debug_flag__): New function.
John W. Eaton <jwe@octave.org>
parents:
8283
diff
changeset
|
4568 bool debug_flag = octave_debug; |
7124bffc89c7
parse.y (F__parser_debug_flag__): New function.
John W. Eaton <jwe@octave.org>
parents:
8283
diff
changeset
|
4569 |
7124bffc89c7
parse.y (F__parser_debug_flag__): New function.
John W. Eaton <jwe@octave.org>
parents:
8283
diff
changeset
|
4570 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
|
4571 "__parser_debug_flag__"); |
8311
7124bffc89c7
parse.y (F__parser_debug_flag__): New function.
John W. Eaton <jwe@octave.org>
parents:
8283
diff
changeset
|
4572 |
7124bffc89c7
parse.y (F__parser_debug_flag__): New function.
John W. Eaton <jwe@octave.org>
parents:
8283
diff
changeset
|
4573 octave_debug = debug_flag; |
7124bffc89c7
parse.y (F__parser_debug_flag__): New function.
John W. Eaton <jwe@octave.org>
parents:
8283
diff
changeset
|
4574 |
7124bffc89c7
parse.y (F__parser_debug_flag__): New function.
John W. Eaton <jwe@octave.org>
parents:
8283
diff
changeset
|
4575 return retval; |
7124bffc89c7
parse.y (F__parser_debug_flag__): New function.
John W. Eaton <jwe@octave.org>
parents:
8283
diff
changeset
|
4576 } |
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
|
4577 |
17377
15e2ad6372f7
maint: Tweaks to remove compiler warnings.
Rik <rik@octave.org>
parents:
17342
diff
changeset
|
4578 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
|
4579 "-*- 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
|
4580 @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
|
4581 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
|
4582 @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
|
4583 { |
091e4df179de
new function to help with debugging by parsing .m files without executing them
John W. Eaton <jwe@octave.org>
parents:
17326
diff
changeset
|
4584 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
|
4585 |
091e4df179de
new function to help with debugging by parsing .m files without executing them
John W. Eaton <jwe@octave.org>
parents:
17326
diff
changeset
|
4586 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
|
4587 |
091e4df179de
new function to help with debugging by parsing .m files without executing them
John W. Eaton <jwe@octave.org>
parents:
17326
diff
changeset
|
4588 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
|
4589 { |
091e4df179de
new function to help with debugging by parsing .m files without executing them
John W. Eaton <jwe@octave.org>
parents:
17326
diff
changeset
|
4590 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:
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diff
changeset
|
4591 |
091e4df179de
new function to help with debugging by parsing .m files without executing them
John W. Eaton <jwe@octave.org>
parents:
17326
diff
changeset
|
4592 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:
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diff
changeset
|
4593 |
091e4df179de
new function to help with debugging by parsing .m files without executing them
John W. Eaton <jwe@octave.org>
parents:
17326
diff
changeset
|
4594 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
|
4595 |
091e4df179de
new function to help with debugging by parsing .m files without executing them
John W. Eaton <jwe@octave.org>
parents:
17326
diff
changeset
|
4596 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
|
4597 || (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
|
4598 || (file_len > 2 && file.substr (file_len-2) == ".m")) |
091e4df179de
new function to help with debugging by parsing .m files without executing them
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parents:
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diff
changeset
|
4599 { |
091e4df179de
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John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
4600 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
changeset
|
4601 file = file.substr (0, file.find_last_of ('.')); |
091e4df179de
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John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
4602 |
091e4df179de
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parents:
17326
diff
changeset
|
4603 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
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diff
changeset
|
4604 if (pos != std::string::npos) |
091e4df179de
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diff
changeset
|
4605 file = file.substr (pos+1); |
091e4df179de
new function to help with debugging by parsing .m files without executing them
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parents:
17326
diff
changeset
|
4606 } |
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
changeset
|
4607 |
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
changeset
|
4608 if (! error_state) |
091e4df179de
new function to help with debugging by parsing .m files without executing them
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4609 { |
091e4df179de
new function to help with debugging by parsing .m files without executing them
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diff
changeset
|
4610 if (nargin == 2) |
091e4df179de
new function to help with debugging by parsing .m files without executing them
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4611 octave_stdout << "parsing " << full_file << std::endl; |
091e4df179de
new function to help with debugging by parsing .m files without executing them
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17326
diff
changeset
|
4612 |
091e4df179de
new function to help with debugging by parsing .m files without executing them
John W. Eaton <jwe@octave.org>
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17326
diff
changeset
|
4613 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>
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17326
diff
changeset
|
4614 true, false, false, |
091e4df179de
new function to help with debugging by parsing .m files without executing them
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17326
diff
changeset
|
4615 false, "__parse_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
|
4616 |
091e4df179de
new function to help with debugging by parsing .m files without executing them
John W. Eaton <jwe@octave.org>
parents:
17326
diff
changeset
|
4617 if (fcn) |
091e4df179de
new function to help with debugging by parsing .m files without executing them
John W. Eaton <jwe@octave.org>
parents:
17326
diff
changeset
|
4618 delete fcn; |
091e4df179de
new function to help with debugging by parsing .m files without executing them
John W. Eaton <jwe@octave.org>
parents:
17326
diff
changeset
|
4619 } |
091e4df179de
new function to help with debugging by parsing .m files without executing them
John W. Eaton <jwe@octave.org>
parents:
17326
diff
changeset
|
4620 else |
091e4df179de
new function to help with debugging by parsing .m files without executing them
John W. Eaton <jwe@octave.org>
parents:
17326
diff
changeset
|
4621 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:
17326
diff
changeset
|
4622 } |
091e4df179de
new function to help with debugging by parsing .m files without executing them
John W. Eaton <jwe@octave.org>
parents:
17326
diff
changeset
|
4623 else |
091e4df179de
new function to help with debugging by parsing .m files without executing them
John W. Eaton <jwe@octave.org>
parents:
17326
diff
changeset
|
4624 print_usage (); |
091e4df179de
new function to help with debugging by parsing .m files without executing them
John W. Eaton <jwe@octave.org>
parents:
17326
diff
changeset
|
4625 |
091e4df179de
new function to help with debugging by parsing .m files without executing them
John W. Eaton <jwe@octave.org>
parents:
17326
diff
changeset
|
4626 return 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
|
4627 } |