Mercurial > octave-antonio
annotate libinterp/parse-tree/oct-parse.in.yy @ 16263:9acb86e6ac90
4/10 commits reworking the lexer
author | John W. Eaton <jwe@octave.org> |
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date | Mon, 11 Mar 2013 14:28:11 -0400 |
parents | 0b5ab09dfce4 |
children | 6077d13ddb3b 71ee3afedb69 |
rev | line source |
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1829 | 1 /* |
1 | 2 |
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3 Copyright (C) 1993-2012 John W. Eaton |
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4 Copyright (C) 2009 David Grundberg |
11523 | 5 Copyright (C) 2009-2010 VZLU Prague |
1 | 6 |
7 This file is part of Octave. | |
8 | |
9 Octave is free software; you can redistribute it and/or modify it | |
10 under the terms of the GNU General Public License as published by the | |
7016 | 11 Free Software Foundation; either version 3 of the License, or (at your |
12 option) any later version. | |
1 | 13 |
14 Octave is distributed in the hope that it will be useful, but WITHOUT | |
15 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
16 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
17 for more details. | |
18 | |
19 You should have received a copy of the GNU General Public License | |
7016 | 20 along with Octave; see the file COPYING. If not, see |
21 <http://www.gnu.org/licenses/>. | |
1 | 22 |
23 */ | |
24 | |
25 // Parser for Octave. | |
26 | |
767 | 27 // C decarations. |
28 | |
1 | 29 %{ |
30 #define YYDEBUG 1 | |
31 | |
240 | 32 #ifdef HAVE_CONFIG_H |
1229 | 33 #include <config.h> |
240 | 34 #endif |
35 | |
3178 | 36 #include <cassert> |
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37 #include <cstdio> |
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38 #include <cstdlib> |
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40 #include <iostream> |
5484 | 41 #include <map> |
5765 | 42 #include <sstream> |
5484 | 43 |
3928 | 44 #include "Cell.h" |
1 | 45 #include "Matrix.h" |
3021 | 46 #include "cmd-edit.h" |
47 #include "cmd-hist.h" | |
48 #include "file-ops.h" | |
49 #include "file-stat.h" | |
4243 | 50 #include "oct-env.h" |
3712 | 51 #include "oct-time.h" |
4171 | 52 #include "quit.h" |
1 | 53 |
3665 | 54 #include "comment-list.h" |
4243 | 55 #include "defaults.h" |
2166 | 56 #include "defun.h" |
4243 | 57 #include "dirfns.h" |
3021 | 58 #include "dynamic-ld.h" |
1351 | 59 #include "error.h" |
60 #include "input.h" | |
61 #include "lex.h" | |
5832 | 62 #include "load-path.h" |
1743 | 63 #include "oct-hist.h" |
5626 | 64 #include "oct-map.h" |
4935 | 65 #include "ov-fcn-handle.h" |
2970 | 66 #include "ov-usr-fcn.h" |
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67 #include "ov-null-mat.h" |
1670 | 68 #include "toplev.h" |
1351 | 69 #include "pager.h" |
70 #include "parse.h" | |
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71 #include "parse-private.h" |
2987 | 72 #include "pt-all.h" |
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73 #include "pt-eval.h" |
1351 | 74 #include "symtab.h" |
75 #include "token.h" | |
3021 | 76 #include "unwind-prot.h" |
1 | 77 #include "utils.h" |
1351 | 78 #include "variables.h" |
1 | 79 |
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80 // oct-parse.h must be included after pt-all.h |
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81 #include <oct-parse.h> |
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82 |
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83 extern int octave_lex (YYSTYPE *, void *); |
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84 |
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85 // Global access to currently active lexer. |
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86 // FIXME -- to be removed after more parser+lexer refactoring. |
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87 octave_lexer *CURR_LEXER = 0; |
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88 |
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89 #if defined (GNULIB_NAMESPACE) |
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90 // Calls to the following functions appear in the generated output from |
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91 // Bison without the namespace tag. Redefine them so we will use them |
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92 // via the gnulib namespace. |
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93 #define fclose GNULIB_NAMESPACE::fclose |
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94 #define fprintf GNULIB_NAMESPACE::fprintf |
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95 #define malloc GNULIB_NAMESPACE::malloc |
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96 #endif |
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97 |
3021 | 98 // TRUE means we printed messages about reading startup files. |
99 bool reading_startup_message_printed = false; | |
100 | |
3903 | 101 // Keep track of symbol table information when parsing functions. |
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102 symtab_context parser_symtab_context; |
4238 | 103 |
5484 | 104 // List of autoloads (function -> file mapping). |
105 static std::map<std::string, std::string> autoload_map; | |
106 | |
496 | 107 // Forward declarations for some functions defined at the bottom of |
108 // the file. | |
109 | |
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110 static void yyerror (octave_parser& curr_parser, const char *s); |
1 | 111 |
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112 // Finish building a statement. |
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113 template <class T> |
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114 static tree_statement * |
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115 make_statement (T *arg) |
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116 { |
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117 octave_comment_list *comment = octave_comment_buffer::get_comment (); |
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118 |
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119 return new tree_statement (arg, comment); |
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120 } |
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121 |
1 | 122 #define ABORT_PARSE \ |
123 do \ | |
124 { \ | |
125 yyerrok; \ | |
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126 if (! parser_symtab_context.empty ()) \ |
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127 parser_symtab_context.pop (); \ |
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128 if ((interactive || forced_interactive) \ |
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129 && ! (curr_lexer)->input_from_eval_string ()) \ |
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130 YYACCEPT; \ |
1 | 131 else \ |
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132 YYABORT; \ |
1 | 133 } \ |
134 while (0) | |
135 | |
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136 #define curr_lexer curr_parser.curr_lexer |
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137 #define scanner curr_lexer->scanner |
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138 |
1 | 139 %} |
140 | |
666 | 141 // Bison declarations. |
142 | |
4813 | 143 // Don't add spaces around the = here; it causes some versions of |
144 // bison to fail to properly recognize the directive. | |
145 | |
146 %name-prefix="octave_" | |
4753 | 147 |
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148 // We are using the pure parser interface and the reentrant lexer |
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149 // interface but the Octave parser and lexer are NOT properly |
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150 // reentrant because both still use many global variables. It should be |
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151 // safe to create a parser object and call it while anotehr parser |
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152 // object is active (to parse a callback function while the main |
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153 // interactive parser is waiting for input, for example) if you take |
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154 // care to properly save and restore (typically with an unwind_protect |
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155 // object) relevant global values before and after the nested call. |
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156 |
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157 %define api.pure |
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158 %PUSH_PULL_DECL% |
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159 %parse-param { octave_parser& curr_parser } |
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160 %lex-param { void *scanner } |
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161 |
1 | 162 %union |
163 { | |
2891 | 164 // The type of the basic tokens returned by the lexer. |
143 | 165 token *tok_val; |
166 | |
3665 | 167 // Comment strings that we need to deal with mid-rule. |
168 octave_comment_list *comment_type; | |
169 | |
2891 | 170 // Types for the nonterminals we generate. |
2525 | 171 char sep_type; |
1 | 172 tree *tree_type; |
1829 | 173 tree_matrix *tree_matrix_type; |
3351 | 174 tree_cell *tree_cell_type; |
496 | 175 tree_expression *tree_expression_type; |
2375 | 176 tree_constant *tree_constant_type; |
4342 | 177 tree_fcn_handle *tree_fcn_handle_type; |
5861 | 178 tree_anon_fcn_handle *tree_anon_fcn_handle_type; |
1 | 179 tree_identifier *tree_identifier_type; |
180 tree_index_expression *tree_index_expression_type; | |
181 tree_colon_expression *tree_colon_expression_type; | |
182 tree_argument_list *tree_argument_list_type; | |
183 tree_parameter_list *tree_parameter_list_type; | |
184 tree_command *tree_command_type; | |
185 tree_if_command *tree_if_command_type; | |
578 | 186 tree_if_clause *tree_if_clause_type; |
187 tree_if_command_list *tree_if_command_list_type; | |
2764 | 188 tree_switch_command *tree_switch_command_type; |
189 tree_switch_case *tree_switch_case_type; | |
190 tree_switch_case_list *tree_switch_case_list_type; | |
2846 | 191 tree_decl_elt *tree_decl_elt_type; |
192 tree_decl_init_list *tree_decl_init_list_type; | |
193 tree_decl_command *tree_decl_command_type; | |
578 | 194 tree_statement *tree_statement_type; |
195 tree_statement_list *tree_statement_list_type; | |
2891 | 196 octave_user_function *octave_user_function_type; |
9476 | 197 void *dummy_type; |
1 | 198 } |
199 | |
143 | 200 // Tokens with line and column information. |
201 %token <tok_val> '=' ':' '-' '+' '*' '/' | |
4018 | 202 %token <tok_val> ADD_EQ SUB_EQ MUL_EQ DIV_EQ LEFTDIV_EQ POW_EQ |
203 %token <tok_val> EMUL_EQ EDIV_EQ ELEFTDIV_EQ EPOW_EQ AND_EQ OR_EQ | |
2899 | 204 %token <tok_val> LSHIFT_EQ RSHIFT_EQ LSHIFT RSHIFT |
428 | 205 %token <tok_val> EXPR_AND_AND EXPR_OR_OR |
143 | 206 %token <tok_val> EXPR_AND EXPR_OR EXPR_NOT |
207 %token <tok_val> EXPR_LT EXPR_LE EXPR_EQ EXPR_NE EXPR_GE EXPR_GT | |
1276 | 208 %token <tok_val> LEFTDIV EMUL EDIV ELEFTDIV EPLUS EMINUS |
209 %token <tok_val> QUOTE TRANSPOSE | |
143 | 210 %token <tok_val> PLUS_PLUS MINUS_MINUS POW EPOW |
211 %token <tok_val> NUM IMAG_NUM | |
2970 | 212 %token <tok_val> STRUCT_ELT |
2883 | 213 %token <tok_val> NAME |
143 | 214 %token <tok_val> END |
5279 | 215 %token <tok_val> DQ_STRING SQ_STRING |
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216 %token <tok_val> FOR PARFOR WHILE DO UNTIL |
1491 | 217 %token <tok_val> IF ELSEIF ELSE |
2764 | 218 %token <tok_val> SWITCH CASE OTHERWISE |
1491 | 219 %token <tok_val> BREAK CONTINUE FUNC_RET |
924 | 220 %token <tok_val> UNWIND CLEANUP |
1489 | 221 %token <tok_val> TRY CATCH |
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222 %token <tok_val> GLOBAL PERSISTENT |
4342 | 223 %token <tok_val> FCN_HANDLE |
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224 %token <tok_val> PROPERTIES METHODS EVENTS ENUMERATION |
9476 | 225 %token <tok_val> METAQUERY |
226 %token <tok_val> SUPERCLASSREF | |
227 %token <tok_val> GET SET | |
1 | 228 |
143 | 229 // Other tokens. |
2970 | 230 %token END_OF_INPUT LEXICAL_ERROR |
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231 %token FCN INPUT_FILE CLASSDEF |
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232 // %token VARARGIN VARARGOUT |
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233 %token CHOOSE_ASSIGNMENT |
1 | 234 |
143 | 235 // Nonterminals we construct. |
9476 | 236 %type <comment_type> stash_comment function_beg classdef_beg |
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237 %type <comment_type> properties_beg methods_beg events_beg enum_beg |
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238 %type <sep_type> sep_no_nl opt_sep_no_nl nl opt_nl sep opt_sep |
578 | 239 %type <tree_type> input |
5861 | 240 %type <tree_constant_type> string constant magic_colon |
241 %type <tree_anon_fcn_handle_type> anon_fcn_handle | |
4342 | 242 %type <tree_fcn_handle_type> fcn_handle |
3351 | 243 %type <tree_matrix_type> matrix_rows matrix_rows1 |
244 %type <tree_cell_type> cell_rows cell_rows1 | |
5102 | 245 %type <tree_expression_type> matrix cell |
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246 %type <tree_expression_type> primary_expr oper_expr |
4207 | 247 %type <tree_expression_type> simple_expr colon_expr assign_expr expression |
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248 %type <tree_identifier_type> identifier fcn_name magic_tilde |
9476 | 249 %type <tree_identifier_type> superclass_identifier meta_identifier |
250 %type <octave_user_function_type> function1 function2 classdef1 | |
2970 | 251 %type <tree_index_expression_type> word_list_cmd |
252 %type <tree_colon_expression_type> colon_expr1 | |
3351 | 253 %type <tree_argument_list_type> arg_list word_list assign_lhs |
254 %type <tree_argument_list_type> cell_or_matrix_row | |
4935 | 255 %type <tree_parameter_list_type> param_list param_list1 param_list2 |
723 | 256 %type <tree_parameter_list_type> return_list return_list1 |
9476 | 257 %type <tree_parameter_list_type> superclasses opt_superclasses |
2970 | 258 %type <tree_command_type> command select_command loop_command |
9476 | 259 %type <tree_command_type> jump_command except_command function |
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260 %type <tree_command_type> file classdef |
578 | 261 %type <tree_if_command_type> if_command |
262 %type <tree_if_clause_type> elseif_clause else_clause | |
263 %type <tree_if_command_list_type> if_cmd_list1 if_cmd_list | |
2764 | 264 %type <tree_switch_command_type> switch_command |
265 %type <tree_switch_case_type> switch_case default_case | |
266 %type <tree_switch_case_list_type> case_list1 case_list | |
2846 | 267 %type <tree_decl_elt_type> decl2 |
268 %type <tree_decl_init_list_type> decl1 | |
269 %type <tree_decl_command_type> declaration | |
9476 | 270 %type <tree_statement_type> statement function_end classdef_end |
627 | 271 %type <tree_statement_list_type> simple_list simple_list1 list list1 |
7336 | 272 %type <tree_statement_list_type> opt_list input1 |
9476 | 273 // These types need to be specified. |
274 %type <dummy_type> attr | |
275 %type <dummy_type> class_event | |
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276 %type <dummy_type> class_enum |
9476 | 277 %type <dummy_type> class_property |
278 %type <dummy_type> properties_list | |
279 %type <dummy_type> properties_block | |
280 %type <dummy_type> methods_list | |
281 %type <dummy_type> methods_block | |
282 %type <dummy_type> opt_attr_list | |
283 %type <dummy_type> attr_list | |
284 %type <dummy_type> events_list | |
285 %type <dummy_type> events_block | |
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286 %type <dummy_type> enum_list |
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287 %type <dummy_type> enum_block |
9476 | 288 %type <dummy_type> class_body |
1 | 289 |
143 | 290 // Precedence and associativity. |
4018 | 291 %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 | 292 %left EXPR_OR_OR |
293 %left EXPR_AND_AND | |
294 %left EXPR_OR | |
295 %left EXPR_AND | |
1 | 296 %left EXPR_LT EXPR_LE EXPR_EQ EXPR_NE EXPR_GE EXPR_GT |
2899 | 297 %left LSHIFT RSHIFT |
1 | 298 %left ':' |
1276 | 299 %left '-' '+' EPLUS EMINUS |
1 | 300 %left '*' '/' LEFTDIV EMUL EDIV ELEFTDIV |
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301 %right UNARY EXPR_NOT |
5667 | 302 %left POW EPOW QUOTE TRANSPOSE |
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303 %right PLUS_PLUS MINUS_MINUS |
3351 | 304 %left '(' '.' '{' |
1 | 305 |
143 | 306 // Where to start. |
1 | 307 %start input |
308 | |
309 %% | |
310 | |
2970 | 311 // ============================== |
312 // Statements and statement lists | |
313 // ============================== | |
314 | |
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315 input : input1 |
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316 { |
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317 curr_parser.stmt_list = $1; |
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318 YYACCEPT; |
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319 } |
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320 | simple_list parse_error |
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321 { ABORT_PARSE; } |
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322 | parse_error |
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323 { ABORT_PARSE; } |
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324 ; |
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325 |
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326 input1 : '\n' |
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327 { $$ = 0; } |
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328 | END_OF_INPUT |
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329 { |
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330 curr_lexer->end_of_input = true; |
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331 $$ = 0; |
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332 } |
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333 | simple_list |
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334 { $$ = $1; } |
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335 | simple_list '\n' |
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336 { $$ = $1; } |
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337 | simple_list END_OF_INPUT |
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338 { $$ = $1; } |
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339 ; |
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340 |
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341 simple_list : simple_list1 opt_sep_no_nl |
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342 { $$ = curr_parser.set_stmt_print_flag ($1, $2, false); } |
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343 ; |
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344 |
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345 simple_list1 : statement |
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346 { $$ = curr_parser.make_statement_list ($1); } |
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347 | simple_list1 sep_no_nl statement |
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348 { $$ = curr_parser.append_statement_list ($1, $2, $3, false); } |
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349 ; |
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350 |
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351 opt_list : // empty |
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352 { $$ = new tree_statement_list (); } |
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353 | list |
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354 { $$ = $1; } |
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355 ; |
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356 |
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357 list : list1 opt_sep |
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358 { $$ = curr_parser.set_stmt_print_flag ($1, $2, true); } |
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359 ; |
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360 |
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361 list1 : statement |
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362 { $$ = curr_parser.make_statement_list ($1); } |
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363 | list1 sep statement |
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364 { $$ = curr_parser.append_statement_list ($1, $2, $3, true); } |
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365 ; |
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366 |
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367 statement : expression |
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368 { $$ = make_statement ($1); } |
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369 | command |
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370 { $$ = make_statement ($1); } |
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371 | word_list_cmd |
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372 { $$ = make_statement ($1); } |
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373 ; |
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374 |
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375 // ================= |
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376 // Word-list command |
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377 // ================= |
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378 |
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379 // These are not really like expressions since they can't appear on |
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380 // the RHS of an assignment. But they are also not like commands (IF, |
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381 // WHILE, etc. |
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382 |
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383 word_list_cmd : identifier word_list |
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384 { $$ = curr_parser.make_index_expression ($1, $2, '('); } |
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385 ; |
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386 |
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387 word_list : string |
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388 { $$ = 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 { $$ = curr_parser.make_constant (DQ_STRING, $1); } |
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418 | SQ_STRING |
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419 { $$ = curr_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 { $$ = curr_parser.make_constant (NUM, $1); } |
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424 | IMAG_NUM |
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425 { $$ = curr_parser.make_constant (IMAG_NUM, $1); } |
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426 | string |
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427 { $$ = $1; } |
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428 ; |
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429 |
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430 matrix : '[' ']' |
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431 { |
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432 $$ = new tree_constant (octave_null_matrix::instance); |
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433 curr_lexer->pending_local_variables.clear (); |
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434 } |
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435 | '[' ';' ']' |
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436 { |
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437 $$ = new tree_constant (octave_null_matrix::instance); |
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438 curr_lexer->pending_local_variables.clear (); |
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439 } |
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440 | '[' ',' ']' |
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441 { |
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442 $$ = new tree_constant (octave_null_matrix::instance); |
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443 curr_lexer->pending_local_variables.clear (); |
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444 } |
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445 | '[' matrix_rows ']' |
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446 { |
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447 $$ = curr_parser.finish_matrix ($2); |
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448 curr_lexer->pending_local_variables.clear (); |
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449 } |
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450 ; |
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451 |
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452 matrix_rows : matrix_rows1 |
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453 { $$ = $1; } |
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454 | matrix_rows1 ';' // Ignore trailing semicolon. |
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455 { $$ = $1; } |
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456 ; |
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457 |
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458 matrix_rows1 : cell_or_matrix_row |
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459 { $$ = new tree_matrix ($1); } |
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460 | matrix_rows1 ';' cell_or_matrix_row |
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461 { |
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462 $1->append ($3); |
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463 $$ = $1; |
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464 } |
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465 ; |
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466 |
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467 cell : '{' '}' |
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468 { $$ = new tree_constant (octave_value (Cell ())); } |
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469 | '{' ';' '}' |
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470 { $$ = new tree_constant (octave_value (Cell ())); } |
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471 | '{' cell_rows '}' |
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472 { $$ = curr_parser.finish_cell ($2); } |
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473 ; |
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474 |
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475 cell_rows : cell_rows1 |
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476 { $$ = $1; } |
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477 | cell_rows1 ';' // Ignore trailing semicolon. |
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478 { $$ = $1; } |
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479 ; |
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480 |
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481 cell_rows1 : cell_or_matrix_row |
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482 { $$ = new tree_cell ($1); } |
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483 | cell_rows1 ';' cell_or_matrix_row |
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484 { |
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485 $1->append ($3); |
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486 $$ = $1; |
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487 } |
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488 ; |
3351 | 489 |
490 cell_or_matrix_row | |
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491 : arg_list |
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492 { $$ = $1; } |
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493 | arg_list ',' // Ignore trailing comma. |
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494 { $$ = $1; } |
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495 ; |
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496 |
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497 fcn_handle : '@' FCN_HANDLE |
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498 { |
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499 $$ = curr_parser.make_fcn_handle ($2); |
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500 curr_lexer->looking_at_function_handle--; |
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501 } |
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502 ; |
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503 |
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504 anon_fcn_handle : '@' param_list statement |
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505 { $$ = curr_parser.make_anon_fcn_handle ($2, $3); } |
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506 ; |
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507 |
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508 primary_expr : identifier |
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509 { $$ = $1; } |
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510 | constant |
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511 { $$ = $1; } |
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512 | fcn_handle |
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513 { $$ = $1; } |
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514 | matrix |
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515 { |
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516 curr_lexer->looking_at_matrix_or_assign_lhs = false; |
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517 $$ = $1; |
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518 } |
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519 | cell |
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520 { $$ = $1; } |
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521 | meta_identifier |
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522 { $$ = $1; } |
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523 | superclass_identifier |
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524 { $$ = $1; } |
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525 | '(' expression ')' |
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526 { $$ = $2->mark_in_parens (); } |
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527 ; |
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528 |
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529 magic_colon : ':' |
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530 { |
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531 octave_value tmp (octave_value::magic_colon_t); |
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532 $$ = new tree_constant (tmp); |
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533 } |
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534 ; |
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535 |
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536 magic_tilde : EXPR_NOT |
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537 { |
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538 $$ = new tree_black_hole (); |
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539 } |
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540 ; |
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541 |
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542 arg_list : expression |
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543 { $$ = new tree_argument_list ($1); } |
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544 | magic_colon |
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545 { $$ = new tree_argument_list ($1); } |
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546 | magic_tilde |
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547 { $$ = new tree_argument_list ($1); } |
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548 | arg_list ',' magic_colon |
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549 { |
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550 $1->append ($3); |
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551 $$ = $1; |
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552 } |
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553 | arg_list ',' magic_tilde |
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554 { |
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555 $1->append ($3); |
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556 $$ = $1; |
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557 } |
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558 | arg_list ',' expression |
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559 { |
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560 $1->append ($3); |
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561 $$ = $1; |
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562 } |
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563 ; |
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564 |
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565 indirect_ref_op : '.' |
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566 { curr_lexer->looking_at_indirect_ref = true; } |
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567 ; |
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568 |
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569 oper_expr : primary_expr |
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570 { $$ = $1; } |
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571 | oper_expr PLUS_PLUS |
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572 { $$ = curr_parser.make_postfix_op (PLUS_PLUS, $1, $2); } |
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573 | oper_expr MINUS_MINUS |
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574 { $$ = curr_parser.make_postfix_op (MINUS_MINUS, $1, $2); } |
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575 | oper_expr '(' ')' |
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576 { $$ = curr_parser.make_index_expression ($1, 0, '('); } |
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577 | oper_expr '(' arg_list ')' |
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578 { $$ = curr_parser.make_index_expression ($1, $3, '('); } |
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579 | oper_expr '{' '}' |
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580 { $$ = curr_parser.make_index_expression ($1, 0, '{'); } |
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581 | oper_expr '{' arg_list '}' |
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582 { $$ = curr_parser.make_index_expression ($1, $3, '{'); } |
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583 | oper_expr QUOTE |
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584 { $$ = curr_parser.make_postfix_op (QUOTE, $1, $2); } |
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585 | oper_expr TRANSPOSE |
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586 { $$ = curr_parser.make_postfix_op (TRANSPOSE, $1, $2); } |
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587 | oper_expr indirect_ref_op STRUCT_ELT |
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588 { $$ = curr_parser.make_indirect_ref ($1, $3->text ()); } |
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589 | oper_expr indirect_ref_op '(' expression ')' |
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590 { $$ = curr_parser.make_indirect_ref ($1, $4); } |
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591 | PLUS_PLUS oper_expr %prec UNARY |
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592 { $$ = curr_parser.make_prefix_op (PLUS_PLUS, $2, $1); } |
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593 | MINUS_MINUS oper_expr %prec UNARY |
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594 { $$ = curr_parser.make_prefix_op (MINUS_MINUS, $2, $1); } |
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595 | EXPR_NOT oper_expr %prec UNARY |
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596 { $$ = curr_parser.make_prefix_op (EXPR_NOT, $2, $1); } |
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597 | '+' oper_expr %prec UNARY |
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598 { $$ = curr_parser.make_prefix_op ('+', $2, $1); } |
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599 | '-' oper_expr %prec UNARY |
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600 { $$ = curr_parser.make_prefix_op ('-', $2, $1); } |
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601 | oper_expr POW oper_expr |
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602 { $$ = curr_parser.make_binary_op (POW, $1, $2, $3); } |
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603 | oper_expr EPOW oper_expr |
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604 { $$ = curr_parser.make_binary_op (EPOW, $1, $2, $3); } |
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605 | oper_expr '+' oper_expr |
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606 { $$ = curr_parser.make_binary_op ('+', $1, $2, $3); } |
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607 | oper_expr '-' oper_expr |
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608 { $$ = curr_parser.make_binary_op ('-', $1, $2, $3); } |
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609 | oper_expr '*' oper_expr |
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610 { $$ = curr_parser.make_binary_op ('*', $1, $2, $3); } |
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611 | oper_expr '/' oper_expr |
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612 { $$ = curr_parser.make_binary_op ('/', $1, $2, $3); } |
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613 | oper_expr EPLUS oper_expr |
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614 { $$ = curr_parser.make_binary_op ('+', $1, $2, $3); } |
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615 | oper_expr EMINUS oper_expr |
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616 { $$ = curr_parser.make_binary_op ('-', $1, $2, $3); } |
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617 | oper_expr EMUL oper_expr |
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618 { $$ = curr_parser.make_binary_op (EMUL, $1, $2, $3); } |
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619 | oper_expr EDIV oper_expr |
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620 { $$ = curr_parser.make_binary_op (EDIV, $1, $2, $3); } |
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621 | oper_expr LEFTDIV oper_expr |
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622 { $$ = curr_parser.make_binary_op (LEFTDIV, $1, $2, $3); } |
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623 | oper_expr ELEFTDIV oper_expr |
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624 { $$ = curr_parser.make_binary_op (ELEFTDIV, $1, $2, $3); } |
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625 ; |
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626 |
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627 colon_expr : colon_expr1 |
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628 { $$ = curr_parser.finish_colon_expression ($1); } |
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629 ; |
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630 |
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631 colon_expr1 : oper_expr |
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632 { $$ = new tree_colon_expression ($1); } |
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633 | colon_expr1 ':' oper_expr |
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634 { |
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635 if (! ($$ = $1->append ($3))) |
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636 ABORT_PARSE; |
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637 } |
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638 ; |
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639 |
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640 simple_expr : colon_expr |
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641 { $$ = $1; } |
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642 | simple_expr LSHIFT simple_expr |
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643 { $$ = curr_parser.make_binary_op (LSHIFT, $1, $2, $3); } |
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644 | simple_expr RSHIFT simple_expr |
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645 { $$ = curr_parser.make_binary_op (RSHIFT, $1, $2, $3); } |
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646 | simple_expr EXPR_LT simple_expr |
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647 { $$ = curr_parser.make_binary_op (EXPR_LT, $1, $2, $3); } |
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648 | simple_expr EXPR_LE simple_expr |
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649 { $$ = curr_parser.make_binary_op (EXPR_LE, $1, $2, $3); } |
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650 | simple_expr EXPR_EQ simple_expr |
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651 { $$ = curr_parser.make_binary_op (EXPR_EQ, $1, $2, $3); } |
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652 | simple_expr EXPR_GE simple_expr |
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653 { $$ = curr_parser.make_binary_op (EXPR_GE, $1, $2, $3); } |
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654 | simple_expr EXPR_GT simple_expr |
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655 { $$ = curr_parser.make_binary_op (EXPR_GT, $1, $2, $3); } |
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656 | simple_expr EXPR_NE simple_expr |
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657 { $$ = curr_parser.make_binary_op (EXPR_NE, $1, $2, $3); } |
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658 | simple_expr EXPR_AND simple_expr |
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659 { $$ = curr_parser.make_binary_op (EXPR_AND, $1, $2, $3); } |
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660 | simple_expr EXPR_OR simple_expr |
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661 { $$ = curr_parser.make_binary_op (EXPR_OR, $1, $2, $3); } |
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662 | simple_expr EXPR_AND_AND simple_expr |
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663 { $$ = curr_parser.make_boolean_op (EXPR_AND_AND, $1, $2, $3); } |
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664 | simple_expr EXPR_OR_OR simple_expr |
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665 { $$ = curr_parser.make_boolean_op (EXPR_OR_OR, $1, $2, $3); } |
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666 ; |
2970 | 667 |
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668 assign_lhs : simple_expr |
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669 { |
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670 $$ = new tree_argument_list ($1); |
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671 $$->mark_as_simple_assign_lhs (); |
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672 } |
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673 | matrix CHOOSE_ASSIGNMENT |
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674 { |
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675 tree_matrix *tmp = dynamic_cast<tree_matrix *> ($1); |
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676 $$ = tmp->front (); |
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677 curr_lexer->looking_at_matrix_or_assign_lhs = false; |
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678 for (std::set<std::string>::const_iterator p = curr_lexer->pending_local_variables.begin (); |
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679 p != curr_lexer->pending_local_variables.end (); |
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680 p++) |
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681 { |
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682 symbol_table::force_variable (*p); |
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683 } |
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684 curr_lexer->pending_local_variables.clear (); |
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685 } |
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686 ; |
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687 |
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688 assign_expr : assign_lhs '=' expression |
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689 { $$ = curr_parser.make_assign_op ('=', $1, $2, $3); } |
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690 | assign_lhs ADD_EQ expression |
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691 { $$ = curr_parser.make_assign_op (ADD_EQ, $1, $2, $3); } |
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692 | assign_lhs SUB_EQ expression |
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693 { $$ = curr_parser.make_assign_op (SUB_EQ, $1, $2, $3); } |
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694 | assign_lhs MUL_EQ expression |
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695 { $$ = curr_parser.make_assign_op (MUL_EQ, $1, $2, $3); } |
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696 | assign_lhs DIV_EQ expression |
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697 { $$ = curr_parser.make_assign_op (DIV_EQ, $1, $2, $3); } |
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698 | assign_lhs LEFTDIV_EQ expression |
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699 { $$ = curr_parser.make_assign_op (LEFTDIV_EQ, $1, $2, $3); } |
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700 | assign_lhs POW_EQ expression |
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701 { $$ = curr_parser.make_assign_op (POW_EQ, $1, $2, $3); } |
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702 | assign_lhs LSHIFT_EQ expression |
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703 { $$ = curr_parser.make_assign_op (LSHIFT_EQ, $1, $2, $3); } |
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704 | assign_lhs RSHIFT_EQ expression |
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705 { $$ = curr_parser.make_assign_op (RSHIFT_EQ, $1, $2, $3); } |
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706 | assign_lhs EMUL_EQ expression |
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707 { $$ = curr_parser.make_assign_op (EMUL_EQ, $1, $2, $3); } |
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708 | assign_lhs EDIV_EQ expression |
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709 { $$ = curr_parser.make_assign_op (EDIV_EQ, $1, $2, $3); } |
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710 | assign_lhs ELEFTDIV_EQ expression |
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711 { $$ = curr_parser.make_assign_op (ELEFTDIV_EQ, $1, $2, $3); } |
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712 | assign_lhs EPOW_EQ expression |
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713 { $$ = curr_parser.make_assign_op (EPOW_EQ, $1, $2, $3); } |
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714 | assign_lhs AND_EQ expression |
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715 { $$ = curr_parser.make_assign_op (AND_EQ, $1, $2, $3); } |
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716 | assign_lhs OR_EQ expression |
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717 { $$ = curr_parser.make_assign_op (OR_EQ, $1, $2, $3); } |
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718 ; |
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719 |
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720 expression : simple_expr |
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721 { $$ = $1; } |
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722 | assign_expr |
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723 { $$ = $1; } |
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724 | anon_fcn_handle |
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725 { $$ = $1; } |
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726 ; |
2970 | 727 |
728 // ================================================ | |
729 // Commands, declarations, and function definitions | |
730 // ================================================ | |
731 | |
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732 command : declaration |
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733 { $$ = $1; } |
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734 | select_command |
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735 { $$ = $1; } |
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736 | loop_command |
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737 { $$ = $1; } |
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738 | jump_command |
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739 { $$ = $1; } |
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740 | except_command |
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741 { $$ = $1; } |
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742 | function |
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743 { $$ = $1; } |
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744 | file |
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745 { $$ = $1; } |
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746 | classdef |
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747 { $$ = $1; } |
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748 ; |
2970 | 749 |
750 // ===================== | |
751 // Declaration statemnts | |
752 // ===================== | |
753 | |
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754 declaration : GLOBAL decl1 |
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755 { |
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756 $$ = curr_parser.make_decl_command (GLOBAL, $1, $2); |
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757 curr_lexer->looking_at_decl_list = false; |
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758 } |
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759 | PERSISTENT decl1 |
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760 { |
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761 $$ = curr_parser.make_decl_command (PERSISTENT, $1, $2); |
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762 curr_lexer->looking_at_decl_list = false; |
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763 } |
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764 ; |
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765 |
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766 decl1 : decl2 |
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767 { $$ = new tree_decl_init_list ($1); } |
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768 | decl1 decl2 |
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769 { |
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770 $1->append ($2); |
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771 $$ = $1; |
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772 } |
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773 ; |
2970 | 774 |
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775 decl_param_init : // empty |
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776 { curr_lexer->looking_at_initializer_expression = true; } |
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777 |
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778 decl2 : identifier |
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779 { $$ = new tree_decl_elt ($1); } |
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780 | identifier '=' decl_param_init expression |
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781 { |
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782 curr_lexer->looking_at_initializer_expression = false; |
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783 $$ = new tree_decl_elt ($1, $4); |
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784 } |
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785 | magic_tilde |
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786 { |
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787 $$ = new tree_decl_elt ($1); |
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788 } |
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789 ; |
2970 | 790 |
791 // ==================== | |
792 // Selection statements | |
793 // ==================== | |
794 | |
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795 select_command : if_command |
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796 { $$ = $1; } |
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797 | switch_command |
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798 { $$ = $1; } |
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799 ; |
2970 | 800 |
801 // ============ | |
802 // If statement | |
803 // ============ | |
804 | |
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805 if_command : IF stash_comment if_cmd_list END |
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806 { |
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807 if (! ($$ = curr_parser.finish_if_command ($1, $3, $4, $2))) |
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808 ABORT_PARSE; |
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809 } |
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810 ; |
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811 |
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812 if_cmd_list : if_cmd_list1 |
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813 { $$ = $1; } |
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814 | if_cmd_list1 else_clause |
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815 { |
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816 $1->append ($2); |
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817 $$ = $1; |
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818 } |
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819 ; |
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820 |
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821 if_cmd_list1 : expression opt_sep opt_list |
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822 { |
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823 $1->mark_braindead_shortcircuit (curr_lexer->fcn_file_full_name); |
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824 |
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825 $$ = curr_parser.start_if_command ($1, $3); |
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826 } |
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827 | if_cmd_list1 elseif_clause |
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828 { |
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829 $1->append ($2); |
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830 $$ = $1; |
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831 } |
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832 ; |
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833 |
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834 elseif_clause : ELSEIF stash_comment opt_sep expression opt_sep opt_list |
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835 { |
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836 $4->mark_braindead_shortcircuit (curr_lexer->fcn_file_full_name); |
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837 |
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838 $$ = curr_parser.make_elseif_clause ($1, $4, $6, $2); |
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839 } |
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840 ; |
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841 |
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842 else_clause : ELSE stash_comment opt_sep opt_list |
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843 { $$ = new tree_if_clause ($4, $2); } |
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844 ; |
2970 | 845 |
846 // ================ | |
847 // Switch statement | |
848 // ================ | |
849 | |
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850 switch_command : SWITCH stash_comment expression opt_sep case_list END |
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851 { |
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852 if (! ($$ = curr_parser.finish_switch_command ($1, $3, $5, $6, $2))) |
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853 ABORT_PARSE; |
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854 } |
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855 ; |
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856 |
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857 case_list : // empty |
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858 { $$ = new tree_switch_case_list (); } |
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859 | default_case |
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860 { $$ = new tree_switch_case_list ($1); } |
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861 | case_list1 |
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862 { $$ = $1; } |
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863 | case_list1 default_case |
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864 { |
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865 $1->append ($2); |
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866 $$ = $1; |
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867 } |
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868 ; |
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869 |
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870 case_list1 : switch_case |
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871 { $$ = new tree_switch_case_list ($1); } |
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872 | case_list1 switch_case |
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873 { |
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874 $1->append ($2); |
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875 $$ = $1; |
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876 } |
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877 ; |
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878 |
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879 switch_case : CASE stash_comment opt_sep expression opt_sep opt_list |
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880 { $$ = curr_parser.make_switch_case ($1, $4, $6, $2); } |
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881 ; |
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882 |
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883 default_case : OTHERWISE stash_comment opt_sep opt_list |
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884 { |
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885 $$ = new tree_switch_case ($4, $2); |
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886 } |
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887 ; |
2970 | 888 |
889 // ======= | |
890 // Looping | |
891 // ======= | |
892 | |
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893 loop_command : WHILE stash_comment expression opt_sep opt_list END |
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894 { |
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895 $3->mark_braindead_shortcircuit (curr_lexer->fcn_file_full_name); |
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896 |
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897 if (! ($$ = curr_parser.make_while_command ($1, $3, $5, $6, $2))) |
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898 ABORT_PARSE; |
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899 } |
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900 | DO stash_comment opt_sep opt_list UNTIL expression |
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901 { |
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902 if (! ($$ = curr_parser.make_do_until_command ($5, $4, $6, $2))) |
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903 ABORT_PARSE; |
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904 } |
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905 | FOR stash_comment assign_lhs '=' expression opt_sep opt_list END |
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906 { |
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907 if (! ($$ = curr_parser.make_for_command (FOR, $1, $3, $5, 0, |
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908 $7, $8, $2))) |
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909 ABORT_PARSE; |
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910 } |
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911 | FOR stash_comment '(' assign_lhs '=' expression ')' opt_sep opt_list END |
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912 { |
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913 if (! ($$ = curr_parser.make_for_command (FOR, $1, $4, $6, 0, |
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914 $9, $10, $2))) |
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915 ABORT_PARSE; |
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916 } |
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917 | PARFOR stash_comment assign_lhs '=' expression opt_sep opt_list END |
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918 { |
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919 if (! ($$ = curr_parser.make_for_command (PARFOR, $1, $3, $5, |
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920 0, $7, $8, $2))) |
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921 ABORT_PARSE; |
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922 } |
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923 | PARFOR stash_comment '(' assign_lhs '=' expression ',' expression ')' opt_sep opt_list END |
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924 { |
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925 if (! ($$ = curr_parser.make_for_command (PARFOR, $1, $4, $6, |
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926 $8, $11, $12, $2))) |
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927 ABORT_PARSE; |
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928 } |
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929 ; |
2970 | 930 |
931 // ======= | |
932 // Jumping | |
933 // ======= | |
934 | |
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935 jump_command : BREAK |
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936 { |
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937 if (! ($$ = curr_parser.make_break_command ($1))) |
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938 ABORT_PARSE; |
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|
939 } |
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940 | CONTINUE |
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941 { |
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942 if (! ($$ = curr_parser.make_continue_command ($1))) |
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943 ABORT_PARSE; |
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|
944 } |
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945 | FUNC_RET |
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946 { |
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947 if (! ($$ = curr_parser.make_return_command ($1))) |
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948 ABORT_PARSE; |
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|
949 } |
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950 ; |
2970 | 951 |
952 // ========== | |
953 // Exceptions | |
954 // ========== | |
955 | |
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956 except_command : UNWIND stash_comment opt_sep opt_list CLEANUP |
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957 stash_comment opt_sep opt_list END |
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958 { |
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959 if (! ($$ = curr_parser.make_unwind_command ($1, $4, $8, $9, $2, $6))) |
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960 ABORT_PARSE; |
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961 } |
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962 | TRY stash_comment opt_sep opt_list CATCH |
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963 stash_comment opt_sep opt_list END |
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964 { |
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965 if (! ($$ = curr_parser.make_try_command ($1, $4, $8, $9, $2, $6))) |
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966 ABORT_PARSE; |
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967 } |
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968 | TRY stash_comment opt_sep opt_list END |
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969 { |
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970 if (! ($$ = curr_parser.make_try_command ($1, $4, 0, $5, $2, 0))) |
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971 ABORT_PARSE; |
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972 } |
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973 ; |
2970 | 974 |
975 // =========================================== | |
15466
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use ' instead of ` in error messages, warnings and most comments
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976 // Some 'subroutines' for function definitions |
2970 | 977 // =========================================== |
978 | |
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979 push_fcn_symtab : // empty |
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980 { |
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981 curr_parser.curr_fcn_depth++; |
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982 |
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983 if (curr_parser.max_fcn_depth < curr_parser.curr_fcn_depth) |
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984 curr_parser.max_fcn_depth = curr_parser.curr_fcn_depth; |
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985 |
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986 parser_symtab_context.push (); |
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987 |
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988 symbol_table::set_scope (symbol_table::alloc_scope ()); |
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989 |
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990 curr_parser.function_scopes.push_back (symbol_table::current_scope ()); |
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|
991 |
16203
127cccb037bf
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992 if (! curr_lexer->reading_script_file |
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993 && curr_parser.curr_fcn_depth == 1 |
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994 && ! curr_parser.parsing_subfunctions) |
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995 curr_parser.primary_fcn_scope = symbol_table::current_scope (); |
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996 |
16203
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997 if (curr_lexer->reading_script_file |
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998 && curr_parser.curr_fcn_depth > 1) |
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999 curr_parser.bison_error ("nested functions not implemented in this context"); |
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1000 } |
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1001 ; |
2970 | 1002 |
1003 // =========================== | |
1004 // List of function parameters | |
1005 // =========================== | |
1006 | |
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1007 param_list_beg : '(' |
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1008 { |
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1009 curr_lexer->looking_at_parameter_list = true; |
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1010 |
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1011 if (curr_lexer->looking_at_function_handle) |
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1012 { |
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1013 parser_symtab_context.push (); |
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1014 symbol_table::set_scope (symbol_table::alloc_scope ()); |
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1015 curr_lexer->looking_at_function_handle--; |
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1016 curr_lexer->looking_at_anon_fcn_args = true; |
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1017 } |
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1018 } |
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1019 ; |
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1020 |
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1021 param_list_end : ')' |
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1022 { |
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1023 curr_lexer->looking_at_parameter_list = false; |
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1024 curr_lexer->looking_for_object_index = false; |
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1025 } |
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|
1026 ; |
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1027 |
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1028 param_list : param_list_beg param_list1 param_list_end |
16259
0b5ab09dfce4
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1029 { $$ = $2; } |
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1030 | param_list_beg error |
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1031 { |
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1032 curr_parser.bison_error ("invalid parameter list"); |
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1033 $$ = 0; |
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1034 ABORT_PARSE; |
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1035 } |
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1036 ; |
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1037 |
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1038 param_list1 : // empty |
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1039 { $$ = 0; } |
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1040 | param_list2 |
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1041 { |
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1042 $1->mark_as_formal_parameters (); |
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1043 if ($1->validate (tree_parameter_list::in)) |
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1044 $$ = $1; |
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1045 else |
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1046 ABORT_PARSE; |
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1047 } |
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1048 ; |
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1049 |
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1050 param_list2 : decl2 |
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1051 { $$ = new tree_parameter_list ($1); } |
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1052 | param_list2 ',' decl2 |
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1053 { |
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1054 $1->append ($3); |
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1055 $$ = $1; |
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1056 } |
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1057 ; |
2970 | 1058 |
1059 // =================================== | |
1060 // List of function return value names | |
1061 // =================================== | |
1062 | |
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1063 return_list : '[' ']' |
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1064 { |
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1065 curr_lexer->looking_at_return_list = false; |
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1066 $$ = new tree_parameter_list (); |
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1067 } |
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1068 | return_list1 |
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1069 { |
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1070 curr_lexer->looking_at_return_list = false; |
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1071 if ($1->validate (tree_parameter_list::out)) |
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1072 $$ = $1; |
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1073 else |
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|
1074 ABORT_PARSE; |
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|
1075 } |
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1076 | '[' return_list1 ']' |
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1077 { |
16110
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1078 curr_lexer->looking_at_return_list = false; |
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1079 if ($2->validate (tree_parameter_list::out)) |
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1080 $$ = $2; |
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|
1081 else |
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|
1082 ABORT_PARSE; |
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|
1083 } |
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|
1084 ; |
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|
1085 |
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|
1086 return_list1 : identifier |
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1087 { $$ = new tree_parameter_list (new tree_decl_elt ($1)); } |
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1088 | return_list1 ',' identifier |
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|
1089 { |
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1090 $1->append (new tree_decl_elt ($3)); |
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|
1091 $$ = $1; |
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|
1092 } |
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|
1093 ; |
2970 | 1094 |
16203
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diff
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|
1095 // ======================= |
127cccb037bf
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diff
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|
1096 // Script or function file |
127cccb037bf
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diff
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|
1097 // ======================= |
127cccb037bf
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diff
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|
1098 |
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|
1099 file : INPUT_FILE opt_nl opt_list END_OF_INPUT |
10315
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1100 { |
16203
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|
1101 if (! curr_lexer->reading_fcn_file) |
127cccb037bf
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diff
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|
1102 { |
127cccb037bf
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|
1103 tree_statement *end_of_script |
127cccb037bf
move more global parser and lexer variables to classes
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|
1104 = curr_parser.make_end ("endscript", |
127cccb037bf
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|
1105 curr_lexer->input_line_number, |
127cccb037bf
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|
1106 curr_lexer->current_input_column); |
127cccb037bf
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diff
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|
1107 |
127cccb037bf
move more global parser and lexer variables to classes
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diff
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|
1108 curr_parser.make_script ($3, end_of_script); |
127cccb037bf
move more global parser and lexer variables to classes
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|
1109 } |
10315
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|
1110 |
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|
1111 $$ = 0; |
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|
1112 } |
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|
1113 ; |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
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7699
diff
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|
1114 |
2970 | 1115 // =================== |
1116 // Function definition | |
1117 // =================== | |
1118 | |
10315
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1119 function_beg : push_fcn_symtab FCN stash_comment |
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|
1120 { |
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1121 $$ = $3; |
16203
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|
1122 if (curr_lexer->reading_classdef_file |
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|
1123 || curr_lexer->parsing_classdef) |
16110
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|
1124 curr_lexer->maybe_classdef_get_set_method = true; |
10315
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|
1125 } |
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|
1126 ; |
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1127 |
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1128 function : function_beg function1 |
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1129 { |
16187
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1130 $$ = curr_parser.finish_function (0, $2, $1); |
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|
1131 curr_parser.recover_from_parsing_function (); |
10315
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1132 } |
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1133 | function_beg return_list '=' function1 |
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1134 { |
16187
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1135 $$ = curr_parser.finish_function ($2, $4, $1); |
490625211945
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|
1136 curr_parser.recover_from_parsing_function (); |
10315
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|
1137 } |
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|
1138 ; |
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|
1139 |
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|
1140 fcn_name : identifier |
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|
1141 { |
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|
1142 std::string id_name = $1->name (); |
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1143 |
16110
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|
1144 curr_lexer->parsed_function_name.top () = true; |
7302f8a4df83
use pointer for global lexical_feedback structure
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diff
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|
1145 curr_lexer->maybe_classdef_get_set_method = false; |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
1146 |
10315
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|
1147 $$ = $1; |
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|
1148 } |
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|
1149 | GET '.' identifier |
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|
1150 { |
16110
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use pointer for global lexical_feedback structure
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diff
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|
1151 curr_lexer->parsed_function_name.top () = true; |
7302f8a4df83
use pointer for global lexical_feedback structure
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changeset
|
1152 curr_lexer->maybe_classdef_get_set_method = false; |
10315
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|
1153 $$ = $3; |
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|
1154 } |
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|
1155 | SET '.' identifier |
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|
1156 { |
16110
7302f8a4df83
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diff
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|
1157 curr_lexer->parsed_function_name.top () = true; |
7302f8a4df83
use pointer for global lexical_feedback structure
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changeset
|
1158 curr_lexer->maybe_classdef_get_set_method = false; |
10315
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|
1159 $$ = $3; |
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|
1160 } |
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|
1161 ; |
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|
1162 |
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1163 function1 : fcn_name function2 |
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|
1164 { |
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1165 std::string fname = $1->name (); |
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|
1166 |
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1167 delete $1; |
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1168 |
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1169 if (! ($$ = curr_parser.frob_function (fname, $2))) |
10315
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|
1170 ABORT_PARSE; |
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|
1171 } |
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|
1172 ; |
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|
1173 |
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|
1174 function2 : param_list opt_sep opt_list function_end |
16187
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|
1175 { $$ = curr_parser.start_function ($1, $3, $4); } |
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1176 | opt_sep opt_list function_end |
16187
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1177 { $$ = curr_parser.start_function (0, $2, $3); } |
10315
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|
1178 ; |
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1179 |
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|
1180 function_end : END |
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|
1181 { |
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|
1182 curr_parser.endfunction_found = true; |
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1183 if (curr_parser.end_token_ok ($1, token::function_end)) |
490625211945
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1184 $$ = curr_parser.make_end ("endfunction", $1->line (), $1->column ()); |
10315
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|
1185 else |
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|
1186 ABORT_PARSE; |
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|
1187 } |
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|
1188 | END_OF_INPUT |
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|
1189 { |
9474
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
1190 // A lot of tests are based on the assumption that this is OK |
16199
810a71122c25
move more global variables to octave_lexical_feedback class
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16198
diff
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|
1191 // if (curr_lexer->reading_script_file) |
10315
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1192 // { |
16187
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|
1193 // curr_parser.bison_error ("function body open at end of script"); |
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|
1194 // YYABORT; |
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|
1195 // } |
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|
1196 |
16187
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|
1197 if (curr_parser.endfunction_found) |
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1198 { |
16187
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|
1199 curr_parser.bison_error ("inconsistent function endings -- " |
10315
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1200 "if one function is explicitly ended, " |
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1201 "so must all the others"); |
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1202 YYABORT; |
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1203 } |
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1204 |
16199
810a71122c25
move more global variables to octave_lexical_feedback class
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|
1205 if (! (curr_lexer->reading_fcn_file || curr_lexer->reading_script_file |
16195
b52d2f9294b6
use class for reading lexer input
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1206 || (curr_lexer)->input_from_eval_string ())) |
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1207 { |
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1208 curr_parser.bison_error ("function body open at end of input"); |
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1209 YYABORT; |
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|
1210 } |
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1211 |
16199
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|
1212 if (curr_lexer->reading_classdef_file) |
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1213 { |
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|
1214 curr_parser.bison_error ("classdef body open at end of input"); |
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|
1215 YYABORT; |
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|
1216 } |
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|
1217 |
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|
1218 $$ = curr_parser.make_end ("endfunction", |
16134
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move static parser helper functions to octave_parser class
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diff
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|
1219 curr_lexer->input_line_number, |
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move static parser helper functions to octave_parser class
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|
1220 curr_lexer->current_input_column); |
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|
1221 } |
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|
1222 ; |
2970 | 1223 |
9476 | 1224 // ======== |
1225 // Classdef | |
1226 // ======== | |
1227 | |
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1228 classdef_beg : CLASSDEF stash_comment |
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1229 { |
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|
1230 $$ = 0; |
16110
7302f8a4df83
use pointer for global lexical_feedback structure
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diff
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|
1231 curr_lexer->parsing_classdef = true; |
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1232 } |
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|
1233 ; |
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|
1234 |
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1235 classdef_end : END |
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1236 { |
16110
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use pointer for global lexical_feedback structure
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|
1237 curr_lexer->parsing_classdef = false; |
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1238 |
16187
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1239 if (curr_parser.end_token_ok ($1, token::classdef_end)) |
490625211945
don't use new to create parser object
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|
1240 $$ = curr_parser.make_end ("endclassdef", $1->line (), $1->column ()); |
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|
1241 else |
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|
1242 ABORT_PARSE; |
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|
1243 } |
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|
1244 ; |
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|
1245 |
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|
1246 classdef1 : classdef_beg opt_attr_list identifier opt_superclasses |
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|
1247 { $$ = 0; } |
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|
1248 ; |
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|
1249 |
13250
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use opt_sep instead of literal '\n' in parser rules for classdef
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|
1250 classdef : classdef1 opt_sep class_body opt_sep stash_comment classdef_end |
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|
1251 { $$ = 0; } |
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|
1252 ; |
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|
1253 |
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|
1254 opt_attr_list : // empty |
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|
1255 { $$ = 0; } |
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|
1256 | '(' attr_list ')' |
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|
1257 { $$ = 0; } |
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|
1258 ; |
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|
1259 |
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|
1260 attr_list : attr |
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|
1261 { $$ = 0; } |
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|
1262 | attr_list ',' attr |
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|
1263 { $$ = 0; } |
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|
1264 ; |
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|
1265 |
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|
1266 attr : identifier |
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|
1267 { $$ = 0; } |
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|
1268 | identifier '=' decl_param_init expression |
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|
1269 { $$ = 0; } |
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|
1270 | EXPR_NOT identifier |
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|
1271 { $$ = 0; } |
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|
1272 ; |
9476 | 1273 |
1274 opt_superclasses | |
10315
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|
1275 : // empty |
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|
1276 { $$ = 0; } |
57a59eae83cc
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|
1277 | superclasses |
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|
1278 { $$ = 0; } |
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changeset
|
1279 ; |
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|
1280 |
57a59eae83cc
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changeset
|
1281 superclasses : EXPR_LT identifier '.' identifier |
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|
1282 { $$ = 0; } |
57a59eae83cc
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|
1283 | EXPR_LT identifier |
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|
1284 { $$ = 0; } |
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|
1285 | superclasses EXPR_AND identifier '.' identifier |
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|
1286 { $$ = 0; } |
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|
1287 | superclasses EXPR_AND identifier |
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|
1288 { $$ = 0; } |
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|
1289 ; |
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|
1290 |
57a59eae83cc
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|
1291 class_body : properties_block |
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|
1292 { $$ = 0; } |
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|
1293 | methods_block |
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|
1294 { $$ = 0; } |
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|
1295 | events_block |
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|
1296 { $$ = 0; } |
13249
7861a5fd3479
accept enumeration keyword
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diff
changeset
|
1297 | enum_block |
7861a5fd3479
accept enumeration keyword
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changeset
|
1298 { $$ = 0; } |
13250
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use opt_sep instead of literal '\n' in parser rules for classdef
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|
1299 | class_body opt_sep properties_block |
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|
1300 { $$ = 0; } |
13250
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|
1301 | class_body opt_sep methods_block |
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1302 { $$ = 0; } |
13250
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use opt_sep instead of literal '\n' in parser rules for classdef
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|
1303 | class_body opt_sep events_block |
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1304 { $$ = 0; } |
13250
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|
1305 | class_body opt_sep enum_block |
13249
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accept enumeration keyword
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|
1306 { $$ = 0; } |
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|
1307 ; |
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|
1308 |
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|
1309 properties_beg : PROPERTIES stash_comment |
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1310 { $$ = 0; } |
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|
1311 ; |
9476 | 1312 |
1313 properties_block | |
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|
1314 : properties_beg opt_attr_list opt_sep properties_list opt_sep END |
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1315 { $$ = 0; } |
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|
1316 ; |
9476 | 1317 |
1318 properties_list | |
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1319 : class_property |
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1320 { $$ = 0; } |
13250
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|
1321 | properties_list opt_sep class_property |
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1322 { $$ = 0; } |
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|
1323 ; |
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1324 |
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1325 class_property : identifier |
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1326 { $$ = 0; } |
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|
1327 | identifier '=' decl_param_init expression ';' |
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1328 { $$ = 0; } |
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|
1329 ; |
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|
1330 |
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1331 methods_beg : METHODS stash_comment |
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1332 { $$ = 0; } |
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|
1333 ; |
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1334 |
13250
f6bbdea030b2
use opt_sep instead of literal '\n' in parser rules for classdef
John W. Eaton <jwe@octave.org>
parents:
13249
diff
changeset
|
1335 methods_block : methods_beg opt_attr_list opt_sep methods_list opt_sep END |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1336 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1337 ; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1338 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1339 methods_list : function |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1340 { $$ = 0; } |
13250
f6bbdea030b2
use opt_sep instead of literal '\n' in parser rules for classdef
John W. Eaton <jwe@octave.org>
parents:
13249
diff
changeset
|
1341 | methods_list opt_sep function |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1342 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1343 ; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1344 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1345 events_beg : EVENTS stash_comment |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1346 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1347 ; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1348 |
13250
f6bbdea030b2
use opt_sep instead of literal '\n' in parser rules for classdef
John W. Eaton <jwe@octave.org>
parents:
13249
diff
changeset
|
1349 events_block : events_beg opt_attr_list opt_sep events_list opt_sep END |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1350 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1351 ; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1352 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1353 events_list : class_event |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1354 { $$ = 0; } |
13250
f6bbdea030b2
use opt_sep instead of literal '\n' in parser rules for classdef
John W. Eaton <jwe@octave.org>
parents:
13249
diff
changeset
|
1355 | events_list opt_sep class_event |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1356 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1357 ; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1358 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1359 class_event : identifier |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1360 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1361 ; |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
1362 |
13249
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1363 enum_beg : ENUMERATION stash_comment |
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1364 { $$ = 0; } |
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1365 ; |
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1366 |
13250
f6bbdea030b2
use opt_sep instead of literal '\n' in parser rules for classdef
John W. Eaton <jwe@octave.org>
parents:
13249
diff
changeset
|
1367 enum_block : enum_beg opt_attr_list opt_sep enum_list opt_sep END |
13249
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1368 { $$ = 0; } |
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1369 ; |
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1370 |
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1371 enum_list : class_enum |
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1372 { $$ = 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
|
1373 | enum_list opt_sep class_enum |
13249
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1374 { $$ = 0; } |
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1375 ; |
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1376 |
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1377 class_enum : identifier '(' expression ')' |
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1378 { $$ = 0; } |
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1379 ; |
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1380 |
2970 | 1381 // ============= |
1382 // Miscellaneous | |
1383 // ============= | |
1384 | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1385 stash_comment : // empty |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1386 { $$ = octave_comment_buffer::get_comment (); } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1387 ; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1388 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1389 parse_error : LEXICAL_ERROR |
16187
490625211945
don't use new to create parser object
John W. Eaton <jwe@octave.org>
parents:
16177
diff
changeset
|
1390 { curr_parser.bison_error ("parse error"); } |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1391 | error |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1392 ; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1393 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1394 sep_no_nl : ',' |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1395 { $$ = ','; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1396 | ';' |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1397 { $$ = ';'; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1398 | sep_no_nl ',' |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1399 { $$ = $1; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1400 | sep_no_nl ';' |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1401 { $$ = $1; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1402 ; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1403 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1404 opt_sep_no_nl : // empty |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1405 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1406 | sep_no_nl |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1407 { $$ = $1; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1408 ; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1409 |
16203
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
1410 opt_nl : // empty |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
1411 { $$ = 0; } |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
1412 | nl |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
1413 { $$ = $1; } |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
1414 ; |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
1415 |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
1416 nl : '\n' |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
1417 { $$ = '\n'; } |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
1418 | nl '\n' |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
1419 { $$ = $1; } |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
1420 ; |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
1421 |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1422 sep : ',' |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1423 { $$ = ','; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1424 | ';' |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1425 { $$ = ';'; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1426 | '\n' |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1427 { $$ = '\n'; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1428 | sep ',' |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1429 { $$ = $1; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1430 | sep ';' |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1431 { $$ = $1; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1432 | sep '\n' |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1433 { $$ = $1; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1434 ; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1435 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1436 opt_sep : // empty |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1437 { $$ = 0; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1438 | sep |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1439 { $$ = $1; } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1440 ; |
2525 | 1441 |
1 | 1442 %% |
1443 | |
666 | 1444 // Generic error messages. |
1445 | |
16149
49dfba4fd3c5
use pure parser and reentrant lexer interfaces
John W. Eaton <jwe@octave.org>
parents:
16147
diff
changeset
|
1446 #undef curr_lexer |
49dfba4fd3c5
use pure parser and reentrant lexer interfaces
John W. Eaton <jwe@octave.org>
parents:
16147
diff
changeset
|
1447 |
1 | 1448 static void |
16187
490625211945
don't use new to create parser object
John W. Eaton <jwe@octave.org>
parents:
16177
diff
changeset
|
1449 yyerror (octave_parser& curr_parser, const char *s) |
1 | 1450 { |
16187
490625211945
don't use new to create parser object
John W. Eaton <jwe@octave.org>
parents:
16177
diff
changeset
|
1451 curr_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
|
1452 } |
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
|
1453 |
16157
335041cc657a
optionally use push parser interface
John W. Eaton <jwe@octave.org>
parents:
16153
diff
changeset
|
1454 octave_parser::~octave_parser (void) |
335041cc657a
optionally use push parser interface
John W. Eaton <jwe@octave.org>
parents:
16153
diff
changeset
|
1455 { |
16167
22bb3aa9f025
make push parser interface partially work
John W. Eaton <jwe@octave.org>
parents:
16164
diff
changeset
|
1456 #if defined (OCTAVE_USE_PUSH_PARSER) |
22bb3aa9f025
make push parser interface partially work
John W. Eaton <jwe@octave.org>
parents:
16164
diff
changeset
|
1457 yypstate_delete (static_cast<yypstate *> (parser_state)); |
16157
335041cc657a
optionally use push parser interface
John W. Eaton <jwe@octave.org>
parents:
16153
diff
changeset
|
1458 #endif |
335041cc657a
optionally use push parser interface
John W. Eaton <jwe@octave.org>
parents:
16153
diff
changeset
|
1459 |
16177
a7669b4d27f6
eliminate global global_command variable
John W. Eaton <jwe@octave.org>
parents:
16174
diff
changeset
|
1460 delete stmt_list; |
a7669b4d27f6
eliminate global global_command variable
John W. Eaton <jwe@octave.org>
parents:
16174
diff
changeset
|
1461 |
a7669b4d27f6
eliminate global global_command variable
John W. Eaton <jwe@octave.org>
parents:
16174
diff
changeset
|
1462 delete curr_lexer; |
16157
335041cc657a
optionally use push parser interface
John W. Eaton <jwe@octave.org>
parents:
16153
diff
changeset
|
1463 } |
335041cc657a
optionally use push parser interface
John W. Eaton <jwe@octave.org>
parents:
16153
diff
changeset
|
1464 void octave_parser::init (void) |
335041cc657a
optionally use push parser interface
John W. Eaton <jwe@octave.org>
parents:
16153
diff
changeset
|
1465 { |
16167
22bb3aa9f025
make push parser interface partially work
John W. Eaton <jwe@octave.org>
parents:
16164
diff
changeset
|
1466 #if defined (OCTAVE_USE_PUSH_PARSER) |
16157
335041cc657a
optionally use push parser interface
John W. Eaton <jwe@octave.org>
parents:
16153
diff
changeset
|
1467 parser_state = yypstate_new (); |
335041cc657a
optionally use push parser interface
John W. Eaton <jwe@octave.org>
parents:
16153
diff
changeset
|
1468 #endif |
335041cc657a
optionally use push parser interface
John W. Eaton <jwe@octave.org>
parents:
16153
diff
changeset
|
1469 |
335041cc657a
optionally use push parser interface
John W. Eaton <jwe@octave.org>
parents:
16153
diff
changeset
|
1470 CURR_LEXER = curr_lexer; |
335041cc657a
optionally use push parser interface
John W. Eaton <jwe@octave.org>
parents:
16153
diff
changeset
|
1471 } |
335041cc657a
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John W. Eaton <jwe@octave.org>
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|
1472 |
16177
a7669b4d27f6
eliminate global global_command variable
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16174
diff
changeset
|
1473 void |
a7669b4d27f6
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diff
changeset
|
1474 octave_parser::reset (void) |
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eliminate global global_command variable
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16174
diff
changeset
|
1475 { |
a7669b4d27f6
eliminate global global_command variable
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16174
diff
changeset
|
1476 delete stmt_list; |
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eliminate global global_command variable
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diff
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|
1477 |
a7669b4d27f6
eliminate global global_command variable
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diff
changeset
|
1478 stmt_list = 0; |
a7669b4d27f6
eliminate global global_command variable
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16174
diff
changeset
|
1479 |
a7669b4d27f6
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diff
changeset
|
1480 curr_lexer->reset (); |
a7669b4d27f6
eliminate global global_command variable
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16174
diff
changeset
|
1481 } |
a7669b4d27f6
eliminate global global_command variable
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1482 |
16138
284e2ca86ef7
execute parser using member function of octave_parser class
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16136
diff
changeset
|
1483 int |
284e2ca86ef7
execute parser using member function of octave_parser class
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diff
changeset
|
1484 octave_parser::run (void) |
284e2ca86ef7
execute parser using member function of octave_parser class
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16136
diff
changeset
|
1485 { |
16157
335041cc657a
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John W. Eaton <jwe@octave.org>
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16153
diff
changeset
|
1486 int status = 0; |
335041cc657a
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diff
changeset
|
1487 |
16167
22bb3aa9f025
make push parser interface partially work
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1488 #if defined (OCTAVE_USE_PUSH_PARSER) |
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make push parser interface partially work
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16164
diff
changeset
|
1489 |
22bb3aa9f025
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
1490 do |
16157
335041cc657a
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diff
changeset
|
1491 { |
16167
22bb3aa9f025
make push parser interface partially work
John W. Eaton <jwe@octave.org>
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16164
diff
changeset
|
1492 YYSTYPE lval; |
22bb3aa9f025
make push parser interface partially work
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16164
diff
changeset
|
1493 |
22bb3aa9f025
make push parser interface partially work
John W. Eaton <jwe@octave.org>
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16164
diff
changeset
|
1494 int token = octave_lex (&lval, scanner); |
22bb3aa9f025
make push parser interface partially work
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16164
diff
changeset
|
1495 |
22bb3aa9f025
make push parser interface partially work
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1496 yypstate *pstate = static_cast<yypstate *> (parser_state); |
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make push parser interface partially work
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diff
changeset
|
1497 |
16187
490625211945
don't use new to create parser object
John W. Eaton <jwe@octave.org>
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16177
diff
changeset
|
1498 status = octave_push_parse (pstate, token, &lval, *this); |
16157
335041cc657a
optionally use push parser interface
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1499 } |
16167
22bb3aa9f025
make push parser interface partially work
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1500 while (status == YYPUSH_MORE); |
16157
335041cc657a
optionally use push parser interface
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1501 |
335041cc657a
optionally use push parser interface
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1502 #else |
335041cc657a
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diff
changeset
|
1503 |
16187
490625211945
don't use new to create parser object
John W. Eaton <jwe@octave.org>
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16177
diff
changeset
|
1504 status = octave_parse (*this); |
16157
335041cc657a
optionally use push parser interface
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1505 |
335041cc657a
optionally use push parser interface
John W. Eaton <jwe@octave.org>
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16153
diff
changeset
|
1506 #endif |
335041cc657a
optionally use push parser interface
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1507 |
335041cc657a
optionally use push parser interface
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1508 return status; |
16138
284e2ca86ef7
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John W. Eaton <jwe@octave.org>
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16136
diff
changeset
|
1509 } |
284e2ca86ef7
execute parser using member function of octave_parser class
John W. Eaton <jwe@octave.org>
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16136
diff
changeset
|
1510 |
666 | 1511 // Error mesages for mismatched end tokens. |
1512 | |
16134
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diff
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|
1513 void |
ec9c6222ef5a
move static parser helper functions to octave_parser class
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16133
diff
changeset
|
1514 octave_parser::end_error (const char *type, token::end_tok_type ettype, |
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1515 int l, int c) |
496 | 1516 { |
2805 | 1517 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
|
1518 = "'%s' command matched by '%s' near line %d column %d"; |
496 | 1519 |
1520 switch (ettype) | |
1521 { | |
1522 case token::simple_end: | |
1523 error (fmt, type, "end", l, c); | |
1524 break; | |
777 | 1525 |
496 | 1526 case token::for_end: |
1527 error (fmt, type, "endfor", l, c); | |
1528 break; | |
777 | 1529 |
496 | 1530 case token::function_end: |
1531 error (fmt, type, "endfunction", l, c); | |
1532 break; | |
777 | 1533 |
9476 | 1534 case token::classdef_end: |
1535 error (fmt, type, "endclassdef", l, c); | |
1536 break; | |
1537 | |
496 | 1538 case token::if_end: |
1539 error (fmt, type, "endif", l, c); | |
1540 break; | |
777 | 1541 |
3233 | 1542 case token::switch_end: |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
1543 error (fmt, type, "endswitch", l, c); |
3233 | 1544 break; |
1545 | |
496 | 1546 case token::while_end: |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
1547 error (fmt, type, "endwhile", l, c); |
496 | 1548 break; |
777 | 1549 |
5400 | 1550 case token::try_catch_end: |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
1551 error (fmt, type, "end_try_catch", l, c); |
5400 | 1552 break; |
1553 | |
1371 | 1554 case token::unwind_protect_end: |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
1555 error (fmt, type, "end_unwind_protect", l, c); |
1371 | 1556 break; |
1557 | |
496 | 1558 default: |
1559 panic_impossible (); | |
1560 break; | |
1561 } | |
1562 } | |
1563 | |
666 | 1564 // Check to see that end tokens are properly matched. |
1565 | |
16134
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move static parser helper functions to octave_parser class
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diff
changeset
|
1566 bool |
ec9c6222ef5a
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John W. Eaton <jwe@octave.org>
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16133
diff
changeset
|
1567 octave_parser::end_token_ok (token *tok, token::end_tok_type expected) |
143 | 1568 { |
2857 | 1569 bool retval = true; |
1570 | |
143 | 1571 token::end_tok_type ettype = tok->ettype (); |
2857 | 1572 |
143 | 1573 if (ettype != expected && ettype != token::simple_end) |
1574 { | |
2857 | 1575 retval = false; |
1576 | |
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
|
1577 bison_error ("parse error"); |
143 | 1578 |
1579 int l = tok->line (); | |
1580 int c = tok->column (); | |
1581 | |
1582 switch (expected) | |
10315
57a59eae83cc
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diff
changeset
|
1583 { |
57a59eae83cc
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changeset
|
1584 case token::classdef_end: |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1585 end_error ("classdef", ettype, l, c); |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1586 break; |
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diff
changeset
|
1587 |
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diff
changeset
|
1588 case token::for_end: |
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untabify src C++ source files
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diff
changeset
|
1589 end_error ("for", ettype, l, c); |
57a59eae83cc
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10250
diff
changeset
|
1590 break; |
57a59eae83cc
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diff
changeset
|
1591 |
13249
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
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13246
diff
changeset
|
1592 case token::enumeration_end: |
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
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13246
diff
changeset
|
1593 end_error ("enumeration", ettype, l, c); |
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1594 break; |
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
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13246
diff
changeset
|
1595 |
10315
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1596 case token::function_end: |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1597 end_error ("function", ettype, l, c); |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1598 break; |
57a59eae83cc
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diff
changeset
|
1599 |
57a59eae83cc
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diff
changeset
|
1600 case token::if_end: |
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untabify src C++ source files
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diff
changeset
|
1601 end_error ("if", ettype, l, c); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10250
diff
changeset
|
1602 break; |
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diff
changeset
|
1603 |
13246 | 1604 case token::parfor_end: |
1605 end_error ("parfor", ettype, l, c); | |
1606 break; | |
1607 | |
10315
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1608 case token::try_catch_end: |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1609 end_error ("try", ettype, l, c); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1610 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10250
diff
changeset
|
1611 |
57a59eae83cc
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
1612 case token::switch_end: |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1613 end_error ("switch", ettype, l, c); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10250
diff
changeset
|
1614 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1615 |
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diff
changeset
|
1616 case token::unwind_protect_end: |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1617 end_error ("unwind_protect", ettype, l, c); |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1618 break; |
57a59eae83cc
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diff
changeset
|
1619 |
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changeset
|
1620 case token::while_end: |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1621 end_error ("while", ettype, l, c); |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1622 break; |
57a59eae83cc
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diff
changeset
|
1623 |
57a59eae83cc
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diff
changeset
|
1624 default: |
57a59eae83cc
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changeset
|
1625 panic_impossible (); |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1626 break; |
57a59eae83cc
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diff
changeset
|
1627 } |
143 | 1628 } |
2857 | 1629 |
1630 return retval; | |
143 | 1631 } |
1632 | |
666 | 1633 // Maybe print a warning if an assignment expression is used as the |
1634 // test in a logical expression. | |
1635 | |
16134
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move static parser helper functions to octave_parser class
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diff
changeset
|
1636 void |
ec9c6222ef5a
move static parser helper functions to octave_parser class
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16133
diff
changeset
|
1637 octave_parser::maybe_warn_assign_as_truth_value (tree_expression *expr) |
1 | 1638 { |
5781 | 1639 if (expr->is_assignment_expression () |
2961 | 1640 && expr->paren_count () < 2) |
1 | 1641 { |
16203
127cccb037bf
move more global parser and lexer variables to classes
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16199
diff
changeset
|
1642 if (curr_lexer->fcn_file_full_name.empty ()) |
10315
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changeset
|
1643 warning_with_id |
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changeset
|
1644 ("Octave:assign-as-truth-value", |
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changeset
|
1645 "suggest parenthesis around assignment used as truth value"); |
8974
fde2a916b2ac
include line and file info in parser warnings
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8950
diff
changeset
|
1646 else |
10315
57a59eae83cc
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diff
changeset
|
1647 warning_with_id |
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changeset
|
1648 ("Octave:assign-as-truth-value", |
15466
d174210ce1ec
use ' instead of ` in error messages, warnings and most comments
John W. Eaton <jwe@octave.org>
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14189
diff
changeset
|
1649 "suggest parenthesis around assignment used as truth value near line %d, column %d in file '%s'", |
16203
127cccb037bf
move more global parser and lexer variables to classes
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16199
diff
changeset
|
1650 expr->line (), expr->column (), curr_lexer->fcn_file_full_name.c_str ()); |
1 | 1651 } |
1652 } | |
578 | 1653 |
2764 | 1654 // Maybe print a warning about switch labels that aren't constants. |
1655 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
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diff
changeset
|
1656 void |
ec9c6222ef5a
move static parser helper functions to octave_parser class
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16133
diff
changeset
|
1657 octave_parser::maybe_warn_variable_switch_label (tree_expression *expr) |
2764 | 1658 { |
5781 | 1659 if (! expr->is_constant ()) |
8974
fde2a916b2ac
include line and file info in parser warnings
John W. Eaton <jwe@octave.org>
parents:
8950
diff
changeset
|
1660 { |
16203
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
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16199
diff
changeset
|
1661 if (curr_lexer->fcn_file_full_name.empty ()) |
10315
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untabify src C++ source files
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changeset
|
1662 warning_with_id ("Octave:variable-switch-label", |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1663 "variable switch label"); |
8974
fde2a916b2ac
include line and file info in parser warnings
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8950
diff
changeset
|
1664 else |
10315
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untabify src C++ source files
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diff
changeset
|
1665 warning_with_id |
57a59eae83cc
untabify src C++ source files
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|
1666 ("Octave:variable-switch-label", |
15466
d174210ce1ec
use ' instead of ` in error messages, warnings and most comments
John W. Eaton <jwe@octave.org>
parents:
14189
diff
changeset
|
1667 "variable switch label near line %d, column %d in file '%s'", |
16203
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
1668 expr->line (), expr->column (), curr_lexer->fcn_file_full_name.c_str ()); |
8974
fde2a916b2ac
include line and file info in parser warnings
John W. Eaton <jwe@octave.org>
parents:
8950
diff
changeset
|
1669 } |
2764 | 1670 } |
1671 | |
2533 | 1672 static tree_expression * |
1673 fold (tree_binary_expression *e) | |
1674 { | |
3110 | 1675 tree_expression *retval = e; |
1676 | |
10067
6f79338c269b
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Jaroslav Hajek <highegg@gmail.com>
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diff
changeset
|
1677 unwind_protect frame; |
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|
1678 |
6f79338c269b
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diff
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|
1679 frame.protect_var (error_state); |
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diff
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|
1680 frame.protect_var (warning_state); |
6f79338c269b
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diff
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|
1681 |
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|
1682 frame.protect_var (discard_error_messages); |
6f79338c269b
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diff
changeset
|
1683 frame.protect_var (discard_warning_messages); |
4452 | 1684 |
3815 | 1685 discard_error_messages = true; |
4452 | 1686 discard_warning_messages = true; |
2533 | 1687 |
1688 tree_expression *op1 = e->lhs (); | |
1689 tree_expression *op2 = e->rhs (); | |
1690 | |
13844
e48529b3dbd4
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John W. Eaton <jwe@octave.org>
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diff
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|
1691 if (op1->is_constant () && op2->is_constant ()) |
2533 | 1692 { |
8658
73c4516fae10
New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1693 octave_value tmp = e->rvalue1 (); |
2533 | 1694 |
3489 | 1695 if (! (error_state || warning_state)) |
10315
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|
1696 { |
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|
1697 tree_constant *tc_retval |
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|
1698 = new tree_constant (tmp, op1->line (), op1->column ()); |
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|
1699 |
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|
1700 std::ostringstream buf; |
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|
1701 |
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1702 tree_print_code tpc (buf); |
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|
1703 |
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1704 e->accept (tpc); |
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|
1705 |
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1706 tc_retval->stash_original_text (buf.str ()); |
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1707 |
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1708 delete e; |
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|
1709 |
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1710 retval = tc_retval; |
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|
1711 } |
2533 | 1712 } |
3110 | 1713 |
3292 | 1714 return retval; |
1715 } | |
1716 | |
1717 static tree_expression * | |
1718 fold (tree_unary_expression *e) | |
1719 { | |
1720 tree_expression *retval = e; | |
1721 | |
10067
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|
1722 unwind_protect frame; |
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|
1723 |
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|
1724 frame.protect_var (error_state); |
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|
1725 frame.protect_var (warning_state); |
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|
1726 |
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|
1727 frame.protect_var (discard_error_messages); |
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|
1728 frame.protect_var (discard_warning_messages); |
4452 | 1729 |
3815 | 1730 discard_error_messages = true; |
4452 | 1731 discard_warning_messages = true; |
3292 | 1732 |
1733 tree_expression *op = e->operand (); | |
1734 | |
1735 if (op->is_constant ()) | |
1736 { | |
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John W. Eaton <jwe@octave.org>
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|
1737 octave_value tmp = e->rvalue1 (); |
3292 | 1738 |
3489 | 1739 if (! (error_state || warning_state)) |
10315
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|
1740 { |
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|
1741 tree_constant *tc_retval |
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1742 = new tree_constant (tmp, op->line (), op->column ()); |
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1743 |
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1744 std::ostringstream buf; |
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1745 |
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1746 tree_print_code tpc (buf); |
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1747 |
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1748 e->accept (tpc); |
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1749 |
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1750 tc_retval->stash_original_text (buf.str ()); |
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1751 |
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|
1752 delete e; |
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|
1753 |
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1754 retval = tc_retval; |
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|
1755 } |
3292 | 1756 } |
1757 | |
2533 | 1758 return retval; |
1759 } | |
1760 | |
1623 | 1761 // Finish building a range. |
1762 | |
16134
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|
1763 tree_expression * |
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1764 octave_parser::finish_colon_expression (tree_colon_expression *e) |
1623 | 1765 { |
3110 | 1766 tree_expression *retval = e; |
1767 | |
10067
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|
1768 unwind_protect frame; |
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|
1769 |
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|
1770 frame.protect_var (error_state); |
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|
1771 frame.protect_var (warning_state); |
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|
1772 |
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1773 frame.protect_var (discard_error_messages); |
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diff
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|
1774 frame.protect_var (discard_warning_messages); |
4452 | 1775 |
3815 | 1776 discard_error_messages = true; |
4452 | 1777 discard_warning_messages = true; |
1623 | 1778 |
2533 | 1779 tree_expression *base = e->base (); |
1780 tree_expression *limit = e->limit (); | |
1781 tree_expression *incr = e->increment (); | |
1782 | |
2970 | 1783 if (base) |
1623 | 1784 { |
2970 | 1785 if (limit) |
10315
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|
1786 { |
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1787 if (base->is_constant () && limit->is_constant () |
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1788 && (! incr || (incr && incr->is_constant ()))) |
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|
1789 { |
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1790 octave_value tmp = e->rvalue1 (); |
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|
1791 |
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|
1792 if (! (error_state || warning_state)) |
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|
1793 { |
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|
1794 tree_constant *tc_retval |
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1795 = new tree_constant (tmp, base->line (), base->column ()); |
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1796 |
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|
1797 std::ostringstream buf; |
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1798 |
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1799 tree_print_code tpc (buf); |
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1800 |
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1801 e->accept (tpc); |
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1802 |
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1803 tc_retval->stash_original_text (buf.str ()); |
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1804 |
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1805 delete e; |
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1806 |
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1807 retval = tc_retval; |
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1808 } |
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1809 } |
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1810 } |
2533 | 1811 else |
10315
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1812 { |
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|
1813 e->preserve_base (); |
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|
1814 delete e; |
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|
1815 |
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1816 // FIXME -- need to attempt constant folding here |
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1817 // too (we need a generic way to do that). |
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1818 retval = base; |
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|
1819 } |
1623 | 1820 } |
1821 | |
1822 return retval; | |
1823 } | |
1824 | |
1607 | 1825 // Make a constant. |
1826 | |
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|
1827 tree_constant * |
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changeset
|
1828 octave_parser::make_constant (int op, token *tok_val) |
1607 | 1829 { |
1830 int l = tok_val->line (); | |
1831 int c = tok_val->column (); | |
1832 | |
3216 | 1833 tree_constant *retval = 0; |
1607 | 1834 |
1835 switch (op) | |
1836 { | |
1837 case NUM: | |
2533 | 1838 { |
10315
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|
1839 octave_value tmp (tok_val->number ()); |
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|
1840 retval = new tree_constant (tmp, l, c); |
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|
1841 retval->stash_original_text (tok_val->text_rep ()); |
2533 | 1842 } |
1607 | 1843 break; |
1844 | |
1845 case IMAG_NUM: | |
1846 { | |
10315
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|
1847 octave_value tmp (Complex (0.0, tok_val->number ())); |
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|
1848 retval = new tree_constant (tmp, l, c); |
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|
1849 retval->stash_original_text (tok_val->text_rep ()); |
1607 | 1850 } |
1851 break; | |
1852 | |
5279 | 1853 case DQ_STRING: |
1854 case SQ_STRING: | |
2883 | 1855 { |
10315
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1856 std::string txt = tok_val->text (); |
7699
27a5f578750c
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1857 |
8150
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1858 char delim = op == DQ_STRING ? '"' : '\''; |
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|
1859 octave_value tmp (txt, delim); |
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1860 |
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1861 if (txt.empty ()) |
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|
1862 { |
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1863 if (op == DQ_STRING) |
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1864 tmp = octave_null_str::instance; |
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1865 else |
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1866 tmp = octave_null_sq_str::instance; |
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1867 } |
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1868 |
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1869 retval = new tree_constant (tmp, l, c); |
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1870 |
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1871 if (op == DQ_STRING) |
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1872 txt = undo_string_escapes (txt); |
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1873 |
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1874 // FIXME -- maybe this should also be handled by |
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1875 // tok_val->text_rep () for character strings? |
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1876 retval->stash_original_text (delim + txt + delim); |
2883 | 1877 } |
1607 | 1878 break; |
1879 | |
1880 default: | |
1881 panic_impossible (); | |
1882 break; | |
1883 } | |
1884 | |
1885 return retval; | |
1886 } | |
1887 | |
4342 | 1888 // Make a function handle. |
1889 | |
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1890 tree_fcn_handle * |
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1891 octave_parser::make_fcn_handle (token *tok_val) |
4342 | 1892 { |
1893 int l = tok_val->line (); | |
1894 int c = tok_val->column (); | |
1895 | |
1896 tree_fcn_handle *retval = new tree_fcn_handle (tok_val->text (), l, c); | |
1897 | |
1898 return retval; | |
1899 } | |
1900 | |
4935 | 1901 // Make an anonymous function handle. |
1902 | |
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1903 tree_anon_fcn_handle * |
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1904 octave_parser::make_anon_fcn_handle (tree_parameter_list *param_list, |
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1905 tree_statement *stmt) |
4935 | 1906 { |
5775 | 1907 // FIXME -- need to get these from the location of the @ symbol. |
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1908 int l = curr_lexer->input_line_number; |
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1909 int c = curr_lexer->current_input_column; |
4935 | 1910 |
1911 tree_parameter_list *ret_list = 0; | |
1912 | |
7336 | 1913 symbol_table::scope_id fcn_scope = symbol_table::current_scope (); |
5861 | 1914 |
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1915 if (parser_symtab_context.empty ()) |
5861 | 1916 panic_impossible (); |
1917 | |
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1918 parser_symtab_context.pop (); |
5861 | 1919 |
7351 | 1920 stmt->set_print_flag (false); |
4935 | 1921 |
1922 tree_statement_list *body = new tree_statement_list (stmt); | |
1923 | |
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1924 body->mark_as_anon_function_body (); |
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1925 |
5861 | 1926 tree_anon_fcn_handle *retval |
7336 | 1927 = new tree_anon_fcn_handle (param_list, ret_list, body, fcn_scope, l, c); |
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1928 // FIXME: Stash the filename. This does not work and produces |
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1929 // errors when executed. |
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1930 //retval->stash_file_name (curr_lexer->fcn_file_name); |
4935 | 1931 |
1932 return retval; | |
1933 } | |
1934 | |
666 | 1935 // Build a binary expression. |
1936 | |
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1937 tree_expression * |
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1938 octave_parser::make_binary_op (int op, tree_expression *op1, token *tok_val, |
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1939 tree_expression *op2) |
578 | 1940 { |
2883 | 1941 octave_value::binary_op t = octave_value::unknown_binary_op; |
1623 | 1942 |
578 | 1943 switch (op) |
1944 { | |
1945 case POW: | |
3525 | 1946 t = octave_value::op_pow; |
578 | 1947 break; |
777 | 1948 |
578 | 1949 case EPOW: |
3525 | 1950 t = octave_value::op_el_pow; |
578 | 1951 break; |
777 | 1952 |
578 | 1953 case '+': |
3525 | 1954 t = octave_value::op_add; |
578 | 1955 break; |
777 | 1956 |
578 | 1957 case '-': |
3525 | 1958 t = octave_value::op_sub; |
578 | 1959 break; |
777 | 1960 |
578 | 1961 case '*': |
3525 | 1962 t = octave_value::op_mul; |
578 | 1963 break; |
777 | 1964 |
578 | 1965 case '/': |
3525 | 1966 t = octave_value::op_div; |
578 | 1967 break; |
777 | 1968 |
578 | 1969 case EMUL: |
3525 | 1970 t = octave_value::op_el_mul; |
578 | 1971 break; |
777 | 1972 |
578 | 1973 case EDIV: |
3525 | 1974 t = octave_value::op_el_div; |
578 | 1975 break; |
777 | 1976 |
578 | 1977 case LEFTDIV: |
3525 | 1978 t = octave_value::op_ldiv; |
578 | 1979 break; |
777 | 1980 |
578 | 1981 case ELEFTDIV: |
3525 | 1982 t = octave_value::op_el_ldiv; |
578 | 1983 break; |
777 | 1984 |
2899 | 1985 case LSHIFT: |
3525 | 1986 t = octave_value::op_lshift; |
2899 | 1987 break; |
1988 | |
1989 case RSHIFT: | |
3525 | 1990 t = octave_value::op_rshift; |
2899 | 1991 break; |
1992 | |
578 | 1993 case EXPR_LT: |
3525 | 1994 t = octave_value::op_lt; |
578 | 1995 break; |
777 | 1996 |
578 | 1997 case EXPR_LE: |
3525 | 1998 t = octave_value::op_le; |
578 | 1999 break; |
777 | 2000 |
578 | 2001 case EXPR_EQ: |
3525 | 2002 t = octave_value::op_eq; |
578 | 2003 break; |
777 | 2004 |
578 | 2005 case EXPR_GE: |
3525 | 2006 t = octave_value::op_ge; |
578 | 2007 break; |
777 | 2008 |
578 | 2009 case EXPR_GT: |
3525 | 2010 t = octave_value::op_gt; |
578 | 2011 break; |
777 | 2012 |
578 | 2013 case EXPR_NE: |
3525 | 2014 t = octave_value::op_ne; |
578 | 2015 break; |
777 | 2016 |
578 | 2017 case EXPR_AND: |
3525 | 2018 t = octave_value::op_el_and; |
578 | 2019 break; |
777 | 2020 |
578 | 2021 case EXPR_OR: |
3525 | 2022 t = octave_value::op_el_or; |
578 | 2023 break; |
777 | 2024 |
578 | 2025 default: |
2026 panic_impossible (); | |
2027 break; | |
2028 } | |
2029 | |
2030 int l = tok_val->line (); | |
2031 int c = tok_val->column (); | |
2032 | |
2533 | 2033 tree_binary_expression *e |
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2034 = maybe_compound_binary_expression (op1, op2, l, c, t); |
1623 | 2035 |
2533 | 2036 return fold (e); |
578 | 2037 } |
2038 | |
2375 | 2039 // Build a boolean expression. |
666 | 2040 |
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2041 tree_expression * |
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2042 octave_parser::make_boolean_op (int op, tree_expression *op1, token *tok_val, |
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2043 tree_expression *op2) |
578 | 2044 { |
2375 | 2045 tree_boolean_expression::type t; |
2046 | |
578 | 2047 switch (op) |
2048 { | |
2375 | 2049 case EXPR_AND_AND: |
2805 | 2050 t = tree_boolean_expression::bool_and; |
578 | 2051 break; |
777 | 2052 |
2375 | 2053 case EXPR_OR_OR: |
2805 | 2054 t = tree_boolean_expression::bool_or; |
578 | 2055 break; |
777 | 2056 |
578 | 2057 default: |
2058 panic_impossible (); | |
2059 break; | |
2060 } | |
2061 | |
2062 int l = tok_val->line (); | |
2063 int c = tok_val->column (); | |
2064 | |
2533 | 2065 tree_boolean_expression *e |
2066 = new tree_boolean_expression (op1, op2, l, c, t); | |
2375 | 2067 |
2533 | 2068 return fold (e); |
578 | 2069 } |
2070 | |
2375 | 2071 // Build a prefix expression. |
666 | 2072 |
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2073 tree_expression * |
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2074 octave_parser::make_prefix_op (int op, tree_expression *op1, token *tok_val) |
578 | 2075 { |
3203 | 2076 octave_value::unary_op t = octave_value::unknown_unary_op; |
2375 | 2077 |
578 | 2078 switch (op) |
2079 { | |
2960 | 2080 case EXPR_NOT: |
3525 | 2081 t = octave_value::op_not; |
2960 | 2082 break; |
2083 | |
4965 | 2084 case '+': |
2085 t = octave_value::op_uplus; | |
2086 break; | |
2087 | |
2960 | 2088 case '-': |
3525 | 2089 t = octave_value::op_uminus; |
2960 | 2090 break; |
2091 | |
578 | 2092 case PLUS_PLUS: |
3525 | 2093 t = octave_value::op_incr; |
578 | 2094 break; |
777 | 2095 |
578 | 2096 case MINUS_MINUS: |
3525 | 2097 t = octave_value::op_decr; |
578 | 2098 break; |
777 | 2099 |
578 | 2100 default: |
2101 panic_impossible (); | |
2102 break; | |
2103 } | |
2104 | |
2105 int l = tok_val->line (); | |
2106 int c = tok_val->column (); | |
2107 | |
3292 | 2108 tree_prefix_expression *e |
2109 = new tree_prefix_expression (op1, l, c, t); | |
2110 | |
2111 return fold (e); | |
578 | 2112 } |
2113 | |
2375 | 2114 // Build a postfix expression. |
666 | 2115 |
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2116 tree_expression * |
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2117 octave_parser::make_postfix_op (int op, tree_expression *op1, token *tok_val) |
578 | 2118 { |
3203 | 2119 octave_value::unary_op t = octave_value::unknown_unary_op; |
1623 | 2120 |
578 | 2121 switch (op) |
2122 { | |
2960 | 2123 case QUOTE: |
3525 | 2124 t = octave_value::op_hermitian; |
2960 | 2125 break; |
2126 | |
2127 case TRANSPOSE: | |
3525 | 2128 t = octave_value::op_transpose; |
2960 | 2129 break; |
2130 | |
2375 | 2131 case PLUS_PLUS: |
3525 | 2132 t = octave_value::op_incr; |
578 | 2133 break; |
777 | 2134 |
2375 | 2135 case MINUS_MINUS: |
3525 | 2136 t = octave_value::op_decr; |
578 | 2137 break; |
777 | 2138 |
578 | 2139 default: |
2140 panic_impossible (); | |
2141 break; | |
2142 } | |
2143 | |
2144 int l = tok_val->line (); | |
2145 int c = tok_val->column (); | |
2146 | |
3292 | 2147 tree_postfix_expression *e |
2148 = new tree_postfix_expression (op1, l, c, t); | |
2149 | |
2150 return fold (e); | |
1623 | 2151 } |
2152 | |
2153 // Build an unwind-protect command. | |
2154 | |
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2155 tree_command * |
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2156 octave_parser::make_unwind_command (token *unwind_tok, |
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2157 tree_statement_list *body, |
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2158 tree_statement_list *cleanup_stmts, |
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2159 token *end_tok, |
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2160 octave_comment_list *lc, |
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2161 octave_comment_list *mc) |
1623 | 2162 { |
2163 tree_command *retval = 0; | |
2164 | |
2857 | 2165 if (end_token_ok (end_tok, token::unwind_protect_end)) |
1623 | 2166 { |
3665 | 2167 octave_comment_list *tc = octave_comment_buffer::get_comment (); |
2168 | |
1623 | 2169 int l = unwind_tok->line (); |
2170 int c = unwind_tok->column (); | |
2171 | |
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2172 retval = new tree_unwind_protect_command (body, cleanup_stmts, |
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2173 lc, mc, tc, l, c); |
1623 | 2174 } |
2175 | |
2176 return retval; | |
2177 } | |
2178 | |
2179 // Build a try-catch command. | |
2180 | |
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2181 tree_command * |
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2182 octave_parser::make_try_command (token *try_tok, tree_statement_list *body, |
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2183 tree_statement_list *cleanup_stmts, |
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2184 token *end_tok, |
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2185 octave_comment_list *lc, |
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2186 octave_comment_list *mc) |
1623 | 2187 { |
2188 tree_command *retval = 0; | |
2189 | |
2857 | 2190 if (end_token_ok (end_tok, token::try_catch_end)) |
1623 | 2191 { |
3665 | 2192 octave_comment_list *tc = octave_comment_buffer::get_comment (); |
2193 | |
1623 | 2194 int l = try_tok->line (); |
2195 int c = try_tok->column (); | |
2196 | |
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2197 retval = new tree_try_catch_command (body, cleanup_stmts, |
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2198 lc, mc, tc, l, c); |
1623 | 2199 } |
2200 | |
2201 return retval; | |
2202 } | |
2203 | |
2204 // Build a while command. | |
2205 | |
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2206 tree_command * |
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2207 octave_parser::make_while_command (token *while_tok, tree_expression *expr, |
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2208 tree_statement_list *body, token *end_tok, |
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2209 octave_comment_list *lc) |
1623 | 2210 { |
2211 tree_command *retval = 0; | |
2212 | |
2213 maybe_warn_assign_as_truth_value (expr); | |
2214 | |
2857 | 2215 if (end_token_ok (end_tok, token::while_end)) |
1623 | 2216 { |
3665 | 2217 octave_comment_list *tc = octave_comment_buffer::get_comment (); |
2218 | |
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2219 curr_lexer->looping--; |
1623 | 2220 |
2221 int l = while_tok->line (); | |
2222 int c = while_tok->column (); | |
2223 | |
3665 | 2224 retval = new tree_while_command (expr, body, lc, tc, l, c); |
1623 | 2225 } |
2226 | |
2227 return retval; | |
2228 } | |
2229 | |
3484 | 2230 // Build a do-until command. |
2231 | |
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2232 tree_command * |
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2233 octave_parser::make_do_until_command (token *until_tok, |
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2234 tree_statement_list *body, |
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2235 tree_expression *expr, |
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|
2236 octave_comment_list *lc) |
3484 | 2237 { |
2238 tree_command *retval = 0; | |
2239 | |
2240 maybe_warn_assign_as_truth_value (expr); | |
2241 | |
3665 | 2242 octave_comment_list *tc = octave_comment_buffer::get_comment (); |
2243 | |
16110
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2244 curr_lexer->looping--; |
3484 | 2245 |
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2246 int l = until_tok->line (); |
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2247 int c = until_tok->column (); |
3484 | 2248 |
3665 | 2249 retval = new tree_do_until_command (expr, body, lc, tc, l, c); |
3484 | 2250 |
2251 return retval; | |
2252 } | |
2253 | |
1623 | 2254 // Build a for command. |
2255 | |
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2256 tree_command * |
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2257 octave_parser::make_for_command (int tok_id, token *for_tok, |
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2258 tree_argument_list *lhs, |
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2259 tree_expression *expr, |
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2260 tree_expression *maxproc, |
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2261 tree_statement_list *body, token *end_tok, |
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2262 octave_comment_list *lc) |
1623 | 2263 { |
2264 tree_command *retval = 0; | |
2265 | |
13245
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2266 bool parfor = tok_id == PARFOR; |
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2267 |
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2268 if (end_token_ok (end_tok, parfor ? token::parfor_end : token::for_end)) |
1623 | 2269 { |
3665 | 2270 octave_comment_list *tc = octave_comment_buffer::get_comment (); |
2271 | |
16110
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|
2272 curr_lexer->looping--; |
1623 | 2273 |
2274 int l = for_tok->line (); | |
2275 int c = for_tok->column (); | |
2276 | |
2970 | 2277 if (lhs->length () == 1) |
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2278 { |
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2279 tree_expression *tmp = lhs->remove_front (); |
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2280 |
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2281 retval = new tree_simple_for_command (parfor, tmp, expr, maxproc, |
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2282 body, lc, tc, l, c); |
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2283 |
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2284 delete lhs; |
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2285 } |
2970 | 2286 else |
13245
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2287 { |
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2288 if (parfor) |
16142
26d65d677557
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|
2289 bison_error ("invalid syntax for parfor statement"); |
13245
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|
2290 else |
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|
2291 retval = new tree_complex_for_command (lhs, expr, body, |
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2292 lc, tc, l, c); |
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2293 } |
1623 | 2294 } |
2295 | |
2296 return retval; | |
2297 } | |
2298 | |
4207 | 2299 // Build a break command. |
2300 | |
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|
2301 tree_command * |
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2302 octave_parser::make_break_command (token *break_tok) |
1623 | 2303 { |
4207 | 2304 tree_command *retval = 0; |
1623 | 2305 |
2620 | 2306 int l = break_tok->line (); |
2307 int c = break_tok->column (); | |
2308 | |
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2309 retval = new tree_break_command (l, c); |
1623 | 2310 |
2311 return retval; | |
2312 } | |
2313 | |
4207 | 2314 // Build a continue command. |
2315 | |
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2316 tree_command * |
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2317 octave_parser::make_continue_command (token *continue_tok) |
1623 | 2318 { |
4207 | 2319 tree_command *retval = 0; |
1623 | 2320 |
2620 | 2321 int l = continue_tok->line (); |
2322 int c = continue_tok->column (); | |
2323 | |
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2324 retval = new tree_continue_command (l, c); |
1623 | 2325 |
2326 return retval; | |
2327 } | |
2328 | |
4207 | 2329 // Build a return command. |
2330 | |
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2331 tree_command * |
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2332 octave_parser::make_return_command (token *return_tok) |
1623 | 2333 { |
4207 | 2334 tree_command *retval = 0; |
1623 | 2335 |
2620 | 2336 int l = return_tok->line (); |
2337 int c = return_tok->column (); | |
2338 | |
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|
2339 retval = new tree_return_command (l, c); |
1623 | 2340 |
2341 return retval; | |
2342 } | |
2343 | |
2344 // Start an if command. | |
2345 | |
16134
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2346 tree_if_command_list * |
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2347 octave_parser::start_if_command (tree_expression *expr, |
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|
2348 tree_statement_list *list) |
1623 | 2349 { |
2350 maybe_warn_assign_as_truth_value (expr); | |
2351 | |
2352 tree_if_clause *t = new tree_if_clause (expr, list); | |
2353 | |
2354 return new tree_if_command_list (t); | |
2355 } | |
2356 | |
2357 // Finish an if command. | |
2358 | |
16134
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2359 tree_if_command * |
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2360 octave_parser::finish_if_command (token *if_tok, tree_if_command_list *list, |
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|
2361 token *end_tok, octave_comment_list *lc) |
1623 | 2362 { |
2363 tree_if_command *retval = 0; | |
2364 | |
2857 | 2365 if (end_token_ok (end_tok, token::if_end)) |
1623 | 2366 { |
3665 | 2367 octave_comment_list *tc = octave_comment_buffer::get_comment (); |
2368 | |
1623 | 2369 int l = if_tok->line (); |
2370 int c = if_tok->column (); | |
2371 | |
8842
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2372 if (list && ! list->empty ()) |
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2373 { |
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2374 tree_if_clause *elt = list->front (); |
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2375 |
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2376 if (elt) |
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2377 { |
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2378 elt->line (l); |
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2379 elt->column (c); |
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2380 } |
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2381 } |
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2382 |
3665 | 2383 retval = new tree_if_command (list, lc, tc, l, c); |
1623 | 2384 } |
2385 | |
2386 return retval; | |
2387 } | |
2388 | |
2389 // Build an elseif clause. | |
2390 | |
16134
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|
2391 tree_if_clause * |
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|
2392 octave_parser::make_elseif_clause (token *elseif_tok, tree_expression *expr, |
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|
2393 tree_statement_list *list, |
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|
2394 octave_comment_list *lc) |
1623 | 2395 { |
2396 maybe_warn_assign_as_truth_value (expr); | |
2397 | |
8658
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|
2398 int l = elseif_tok->line (); |
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|
2399 int c = elseif_tok->column (); |
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2400 |
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|
2401 return new tree_if_clause (expr, list, lc, l, c); |
1623 | 2402 } |
2403 | |
2764 | 2404 // Finish a switch command. |
2405 | |
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|
2406 tree_switch_command * |
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2407 octave_parser::finish_switch_command (token *switch_tok, tree_expression *expr, |
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|
2408 tree_switch_case_list *list, |
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|
2409 token *end_tok, octave_comment_list *lc) |
2764 | 2410 { |
2411 tree_switch_command *retval = 0; | |
2412 | |
2857 | 2413 if (end_token_ok (end_tok, token::switch_end)) |
2764 | 2414 { |
3665 | 2415 octave_comment_list *tc = octave_comment_buffer::get_comment (); |
2416 | |
2764 | 2417 int l = switch_tok->line (); |
2418 int c = switch_tok->column (); | |
2419 | |
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2420 if (list && ! list->empty ()) |
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2421 { |
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2422 tree_switch_case *elt = list->front (); |
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2423 |
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2424 if (elt) |
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2425 { |
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2426 elt->line (l); |
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2427 elt->column (c); |
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2428 } |
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2429 } |
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2430 |
3665 | 2431 retval = new tree_switch_command (expr, list, lc, tc, l, c); |
2764 | 2432 } |
2433 | |
2434 return retval; | |
2435 } | |
2436 | |
2437 // Build a switch case. | |
2438 | |
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2439 tree_switch_case * |
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|
2440 octave_parser::make_switch_case (token *case_tok, tree_expression *expr, |
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2441 tree_statement_list *list, |
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2442 octave_comment_list *lc) |
2764 | 2443 { |
2444 maybe_warn_variable_switch_label (expr); | |
2445 | |
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2446 int l = case_tok->line (); |
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2447 int c = case_tok->column (); |
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2448 |
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|
2449 return new tree_switch_case (expr, list, lc, l, c); |
2764 | 2450 } |
2451 | |
1623 | 2452 // Build an assignment to a variable. |
2453 | |
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2454 tree_expression * |
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2455 octave_parser::make_assign_op (int op, tree_argument_list *lhs, token *eq_tok, |
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|
2456 tree_expression *rhs) |
1623 | 2457 { |
2970 | 2458 tree_expression *retval = 0; |
2459 | |
2883 | 2460 octave_value::assign_op t = octave_value::unknown_assign_op; |
2461 | |
2462 switch (op) | |
2463 { | |
2464 case '=': | |
3525 | 2465 t = octave_value::op_asn_eq; |
2883 | 2466 break; |
2467 | |
2468 case ADD_EQ: | |
3525 | 2469 t = octave_value::op_add_eq; |
2883 | 2470 break; |
2471 | |
2472 case SUB_EQ: | |
3525 | 2473 t = octave_value::op_sub_eq; |
2883 | 2474 break; |
2475 | |
2476 case MUL_EQ: | |
3525 | 2477 t = octave_value::op_mul_eq; |
2883 | 2478 break; |
2479 | |
2480 case DIV_EQ: | |
3525 | 2481 t = octave_value::op_div_eq; |
2883 | 2482 break; |
2483 | |
3204 | 2484 case LEFTDIV_EQ: |
3525 | 2485 t = octave_value::op_ldiv_eq; |
3204 | 2486 break; |
2487 | |
4018 | 2488 case POW_EQ: |
2489 t = octave_value::op_pow_eq; | |
2490 break; | |
2491 | |
2899 | 2492 case LSHIFT_EQ: |
3525 | 2493 t = octave_value::op_lshift_eq; |
2899 | 2494 break; |
2495 | |
2496 case RSHIFT_EQ: | |
3525 | 2497 t = octave_value::op_rshift_eq; |
2899 | 2498 break; |
2499 | |
2883 | 2500 case EMUL_EQ: |
3525 | 2501 t = octave_value::op_el_mul_eq; |
2883 | 2502 break; |
2503 | |
2504 case EDIV_EQ: | |
3525 | 2505 t = octave_value::op_el_div_eq; |
2883 | 2506 break; |
2507 | |
3204 | 2508 case ELEFTDIV_EQ: |
3525 | 2509 t = octave_value::op_el_ldiv_eq; |
3204 | 2510 break; |
2511 | |
4018 | 2512 case EPOW_EQ: |
2513 t = octave_value::op_el_pow_eq; | |
2514 break; | |
2515 | |
2883 | 2516 case AND_EQ: |
3525 | 2517 t = octave_value::op_el_and_eq; |
2883 | 2518 break; |
2519 | |
2520 case OR_EQ: | |
3525 | 2521 t = octave_value::op_el_or_eq; |
2883 | 2522 break; |
2523 | |
2524 default: | |
2525 panic_impossible (); | |
2526 break; | |
2527 } | |
2528 | |
1623 | 2529 int l = eq_tok->line (); |
2530 int c = eq_tok->column (); | |
2531 | |
5841 | 2532 if (lhs->is_simple_assign_lhs ()) |
666 | 2533 { |
2970 | 2534 tree_expression *tmp = lhs->remove_front (); |
2535 | |
2536 retval = new tree_simple_assignment (tmp, rhs, false, l, c, t); | |
2537 | |
2538 delete lhs; | |
666 | 2539 } |
10230
0a5a769b8fc0
disallow computed multiple assignment
Jaroslav Hajek <highegg@gmail.com>
parents:
10207
diff
changeset
|
2540 else if (t == octave_value::op_asn_eq) |
0a5a769b8fc0
disallow computed multiple assignment
Jaroslav Hajek <highegg@gmail.com>
parents:
10207
diff
changeset
|
2541 return new tree_multi_assignment (lhs, rhs, false, l, c); |
666 | 2542 else |
16142
26d65d677557
rename yyerror to bison_error and make it a member of octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16139
diff
changeset
|
2543 bison_error ("computed multiple assignment not allowed"); |
666 | 2544 |
2545 return retval; | |
2546 } | |
751 | 2547 |
9474
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2548 // Define a script. |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2549 |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2550 void |
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2551 octave_parser::make_script (tree_statement_list *cmds, |
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2552 tree_statement *end_script) |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2553 { |
8658
73c4516fae10
New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
8471
diff
changeset
|
2554 if (! cmds) |
73c4516fae10
New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
8471
diff
changeset
|
2555 cmds = new tree_statement_list (); |
73c4516fae10
New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
8471
diff
changeset
|
2556 |
73c4516fae10
New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
8471
diff
changeset
|
2557 cmds->append (end_script); |
73c4516fae10
New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
8471
diff
changeset
|
2558 |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2559 octave_user_script *script |
16203
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
2560 = new octave_user_script (curr_lexer->fcn_file_full_name, |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
2561 curr_lexer->fcn_file_name, |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
2562 cmds, curr_lexer->help_text); |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
2563 |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
2564 curr_lexer->help_text = ""; |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2565 |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2566 octave_time now; |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2567 |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2568 script->stash_fcn_file_time (now); |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2569 |
9474
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2570 primary_fcn_ptr = script; |
8881
8ed42c679af5
after defining a script or function, clear local variables created for parsing
John W. Eaton <jwe@octave.org>
parents:
8842
diff
changeset
|
2571 |
9009
da58ec8f62e8
tag bug don't define forced variables
John W. Eaton <jwe@octave.org>
parents:
8974
diff
changeset
|
2572 // Unmark any symbols that may have been tagged as local variables |
da58ec8f62e8
tag bug don't define forced variables
John W. Eaton <jwe@octave.org>
parents:
8974
diff
changeset
|
2573 // while parsing (for example, by force_local_variable in lex.l). |
da58ec8f62e8
tag bug don't define forced variables
John W. Eaton <jwe@octave.org>
parents:
8974
diff
changeset
|
2574 |
da58ec8f62e8
tag bug don't define forced variables
John W. Eaton <jwe@octave.org>
parents:
8974
diff
changeset
|
2575 symbol_table::unmark_forced_variables (); |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2576 } |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2577 |
1623 | 2578 // Begin defining a function. |
2579 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2580 octave_user_function * |
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2581 octave_parser::start_function (tree_parameter_list *param_list, |
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2582 tree_statement_list *body, |
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2583 tree_statement *end_fcn_stmt) |
1623 | 2584 { |
2891 | 2585 // We'll fill in the return list later. |
2586 | |
8658
73c4516fae10
New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
8471
diff
changeset
|
2587 if (! body) |
73c4516fae10
New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
8471
diff
changeset
|
2588 body = new tree_statement_list (); |
73c4516fae10
New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
8471
diff
changeset
|
2589 |
73c4516fae10
New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
8471
diff
changeset
|
2590 body->append (end_fcn_stmt); |
73c4516fae10
New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
8471
diff
changeset
|
2591 |
2891 | 2592 octave_user_function *fcn |
7336 | 2593 = new octave_user_function (symbol_table::current_scope (), |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2594 param_list, 0, body); |
1623 | 2595 |
3665 | 2596 if (fcn) |
2597 { | |
2598 octave_comment_list *tc = octave_comment_buffer::get_comment (); | |
2599 | |
2600 fcn->stash_trailing_comment (tc); | |
2601 } | |
2602 | |
1623 | 2603 return fcn; |
2604 } | |
2605 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2606 tree_statement * |
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2607 octave_parser::make_end (const std::string& type, int l, int c) |
8658
73c4516fae10
New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
8471
diff
changeset
|
2608 { |
73c4516fae10
New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
8471
diff
changeset
|
2609 return make_statement (new tree_no_op_command (type, l, c)); |
73c4516fae10
New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
8471
diff
changeset
|
2610 } |
73c4516fae10
New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
8471
diff
changeset
|
2611 |
1623 | 2612 // Do most of the work for defining a function. |
2613 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2614 octave_user_function * |
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2615 octave_parser::frob_function (const std::string& fname, |
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2616 octave_user_function *fcn) |
1623 | 2617 { |
4872 | 2618 std::string id_name = fname; |
1623 | 2619 |
2620 // If input is coming from a file, issue a warning if the name of | |
2621 // the file does not match the name of the function stated in the | |
2622 // file. Matlab doesn't provide a diagnostic (it ignores the stated | |
2623 // name). | |
16199
810a71122c25
move more global variables to octave_lexical_feedback class
John W. Eaton <jwe@octave.org>
parents:
16198
diff
changeset
|
2624 if (! autoloading && curr_lexer->reading_fcn_file |
16153
a57c2c8c8163
move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16151
diff
changeset
|
2625 && curr_fcn_depth == 1 && ! parsing_subfunctions) |
9474
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2626 { |
16203
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
2627 // FIXME -- should curr_lexer->fcn_file_name already be |
9474
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2628 // preprocessed when we get here? It seems to only be a |
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2629 // problem with relative file names. |
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2630 |
16203
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
2631 std::string nm = curr_lexer->fcn_file_name; |
9474
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2632 |
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2633 size_t pos = nm.find_last_of (file_ops::dir_sep_chars ()); |
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2634 |
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2635 if (pos != std::string::npos) |
16203
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
2636 nm = curr_lexer->fcn_file_name.substr (pos+1); |
9474
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2637 |
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2638 if (nm != id_name) |
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2639 { |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2640 warning_with_id |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2641 ("Octave:function-name-clash", |
15466
d174210ce1ec
use ' instead of ` in error messages, warnings and most comments
John W. Eaton <jwe@octave.org>
parents:
14189
diff
changeset
|
2642 "function name '%s' does not agree with function file name '%s'", |
16203
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
2643 id_name.c_str (), curr_lexer->fcn_file_full_name.c_str ()); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2644 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2645 id_name = nm; |
9474
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2646 } |
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2647 } |
1623 | 2648 |
16199
810a71122c25
move more global variables to octave_lexical_feedback class
John W. Eaton <jwe@octave.org>
parents:
16198
diff
changeset
|
2649 if (curr_lexer->reading_fcn_file || curr_lexer->reading_classdef_file || autoloading) |
1623 | 2650 { |
3712 | 2651 octave_time now; |
3162 | 2652 |
16203
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
2653 fcn->stash_fcn_file_name (curr_lexer->fcn_file_full_name); |
3162 | 2654 fcn->stash_fcn_file_time (now); |
1623 | 2655 fcn->mark_as_system_fcn_file (); |
3162 | 2656 |
6323 | 2657 if (fcn_file_from_relative_lookup) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2658 fcn->mark_relative (); |
6323 | 2659 |
16153
a57c2c8c8163
move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16151
diff
changeset
|
2660 if (curr_fcn_depth > 1 || parsing_subfunctions) |
7968
0d607e8dbbfa
eliminate curr_parent_function; fix subfunction lookup
John W. Eaton <jwe@octave.org>
parents:
7903
diff
changeset
|
2661 { |
16203
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
2662 fcn->stash_parent_fcn_name (curr_lexer->fcn_file_name); |
14544
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
2663 |
16153
a57c2c8c8163
move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16151
diff
changeset
|
2664 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
|
2665 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
|
2666 else |
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
2667 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
|
2668 } |
6323 | 2669 |
16110
7302f8a4df83
use pointer for global lexical_feedback structure
John W. Eaton <jwe@octave.org>
parents:
16109
diff
changeset
|
2670 if (curr_lexer->parsing_class_method) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2671 { |
16153
a57c2c8c8163
move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16151
diff
changeset
|
2672 if (curr_class_name == id_name) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2673 fcn->mark_as_class_constructor (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2674 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2675 fcn->mark_as_class_method (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2676 |
16153
a57c2c8c8163
move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16151
diff
changeset
|
2677 fcn->stash_dispatch_class (curr_class_name); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2678 } |
7336 | 2679 |
5781 | 2680 std::string nm = fcn->fcn_file_name (); |
2681 | |
2682 file_stat fs (nm); | |
2683 | |
2684 if (fs && fs.is_newer (now)) | |
2685 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
|
2686 "time stamp for '%s' is in the future", nm.c_str ()); |
1623 | 2687 } |
16203
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
2688 else if (! input_from_tmp_history_file |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
2689 && ! curr_lexer->force_script |
16199
810a71122c25
move more global variables to octave_lexical_feedback class
John W. Eaton <jwe@octave.org>
parents:
16198
diff
changeset
|
2690 && curr_lexer->reading_script_file |
16203
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
2691 && curr_lexer->fcn_file_name == id_name) |
1623 | 2692 { |
15466
d174210ce1ec
use ' instead of ` in error messages, warnings and most comments
John W. Eaton <jwe@octave.org>
parents:
14189
diff
changeset
|
2693 warning ("function '%s' defined within script file '%s'", |
16203
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
2694 id_name.c_str (), curr_lexer->fcn_file_full_name.c_str ()); |
1623 | 2695 } |
2696 | |
4872 | 2697 fcn->stash_function_name (id_name); |
16110
7302f8a4df83
use pointer for global lexical_feedback structure
John W. Eaton <jwe@octave.org>
parents:
16109
diff
changeset
|
2698 fcn->stash_fcn_location (curr_lexer->input_line_number, |
7302f8a4df83
use pointer for global lexical_feedback structure
John W. Eaton <jwe@octave.org>
parents:
16109
diff
changeset
|
2699 curr_lexer->current_input_column); |
4872 | 2700 |
16203
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
2701 if (! curr_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
|
2702 && ! parsing_subfunctions) |
7336 | 2703 { |
16203
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
2704 fcn->document (curr_lexer->help_text); |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
2705 |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
2706 curr_lexer->help_text = ""; |
7336 | 2707 } |
2708 | |
16199
810a71122c25
move more global variables to octave_lexical_feedback class
John W. Eaton <jwe@octave.org>
parents:
16198
diff
changeset
|
2709 if (curr_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
|
2710 && ! parsing_subfunctions) |
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2711 primary_fcn_ptr = fcn; |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
2712 |
1623 | 2713 return fcn; |
2714 } | |
2715 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2716 tree_function_def * |
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2717 octave_parser::finish_function (tree_parameter_list *ret_list, |
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2718 octave_user_function *fcn, |
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2719 octave_comment_list *lc) |
1623 | 2720 { |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2721 tree_function_def *retval = 0; |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2722 |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2723 if (ret_list) |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2724 ret_list->mark_as_formal_parameters (); |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2725 |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2726 if (fcn) |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2727 { |
7761
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7755
diff
changeset
|
2728 std::string nm = fcn->name (); |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7755
diff
changeset
|
2729 std::string file = fcn->fcn_file_name (); |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7755
diff
changeset
|
2730 |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7755
diff
changeset
|
2731 std::string tmp = nm; |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7755
diff
changeset
|
2732 if (! file.empty ()) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2733 tmp += ": " + file; |
7761
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7755
diff
changeset
|
2734 |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7755
diff
changeset
|
2735 symbol_table::cache_name (fcn->scope (), tmp); |
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7755
diff
changeset
|
2736 |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2737 if (lc) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2738 fcn->stash_leading_comment (lc); |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2739 |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2740 fcn->define_ret_list (ret_list); |
7755
ea9cb4d68dbf
avoid installing subfunctions twice
John W. Eaton <jwe@octave.org>
parents:
7750
diff
changeset
|
2741 |
16153
a57c2c8c8163
move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16151
diff
changeset
|
2742 if (curr_fcn_depth > 1 || parsing_subfunctions) |
9474
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2743 { |
11461
2b8531a6a3c9
Change mentions of "nested function" to the less misleading "subfunction"
David Grundberg <individ@acc.umu.se>
parents:
11388
diff
changeset
|
2744 fcn->mark_as_subfunction (); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2745 |
14544
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
2746 if (endfunction_found && function_scopes.size () > 1) |
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
2747 { |
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
2748 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
|
2749 = function_scopes[function_scopes.size ()-2]; |
14544
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
2750 |
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
2751 symbol_table::install_nestfunction (nm, octave_value (fcn), |
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
2752 pscope); |
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
2753 } |
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
2754 else |
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
2755 symbol_table::install_subfunction (nm, octave_value (fcn), |
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
2756 primary_fcn_scope); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2757 } |
9474
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2758 |
16153
a57c2c8c8163
move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16151
diff
changeset
|
2759 if (curr_fcn_depth == 1 && fcn) |
14544
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
2760 symbol_table::update_nest (fcn->scope ()); |
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
2761 |
16199
810a71122c25
move more global variables to octave_lexical_feedback class
John W. Eaton <jwe@octave.org>
parents:
16198
diff
changeset
|
2762 if (! curr_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
|
2763 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2764 // 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
|
2765 // 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
|
2766 // 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
|
2767 // 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
|
2768 // 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
|
2769 // 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
|
2770 // 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
|
2771 // parse_fcn_file, and |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2772 // 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
|
2773 |
5f8971be8e12
parse.y (finish_function): retrun function object unless parsing function file
John W. Eaton <jwe@octave.org>
parents:
9506
diff
changeset
|
2774 retval = new tree_function_def (fcn); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2775 } |
8282
47a3d2f829e4
clear local symbol table after parsing function
John W. Eaton <jwe@octave.org>
parents:
8150
diff
changeset
|
2776 |
9009
da58ec8f62e8
tag bug don't define forced variables
John W. Eaton <jwe@octave.org>
parents:
8974
diff
changeset
|
2777 // Unmark any symbols that may have been tagged as local |
da58ec8f62e8
tag bug don't define forced variables
John W. Eaton <jwe@octave.org>
parents:
8974
diff
changeset
|
2778 // variables while parsing (for example, by force_local_variable |
da58ec8f62e8
tag bug don't define forced variables
John W. Eaton <jwe@octave.org>
parents:
8974
diff
changeset
|
2779 // in lex.l). |
da58ec8f62e8
tag bug don't define forced variables
John W. Eaton <jwe@octave.org>
parents:
8974
diff
changeset
|
2780 |
da58ec8f62e8
tag bug don't define forced variables
John W. Eaton <jwe@octave.org>
parents:
8974
diff
changeset
|
2781 symbol_table::unmark_forced_variables (fcn->scope ()); |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2782 } |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2783 |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2784 return retval; |
1623 | 2785 } |
2786 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2787 void |
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2788 octave_parser::recover_from_parsing_function (void) |
2883 | 2789 { |
14329
8d1ae996c122
also save and restore symbol table context in parser (bug #35448)
John W. Eaton <jwe@octave.org>
parents:
14294
diff
changeset
|
2790 if (parser_symtab_context.empty ()) |
3903 | 2791 panic_impossible (); |
2792 | |
14329
8d1ae996c122
also save and restore symbol table context in parser (bug #35448)
John W. Eaton <jwe@octave.org>
parents:
14294
diff
changeset
|
2793 parser_symtab_context.pop (); |
2883 | 2794 |
16199
810a71122c25
move more global variables to octave_lexical_feedback class
John W. Eaton <jwe@octave.org>
parents:
16198
diff
changeset
|
2795 if (curr_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
|
2796 && ! parsing_subfunctions) |
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2797 parsing_subfunctions = true; |
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2798 |
16153
a57c2c8c8163
move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16151
diff
changeset
|
2799 curr_fcn_depth--; |
14544
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
2800 function_scopes.pop_back (); |
9474
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2801 |
16110
7302f8a4df83
use pointer for global lexical_feedback structure
John W. Eaton <jwe@octave.org>
parents:
16109
diff
changeset
|
2802 curr_lexer->defining_func--; |
7302f8a4df83
use pointer for global lexical_feedback structure
John W. Eaton <jwe@octave.org>
parents:
16109
diff
changeset
|
2803 curr_lexer->parsed_function_name.pop (); |
7302f8a4df83
use pointer for global lexical_feedback structure
John W. Eaton <jwe@octave.org>
parents:
16109
diff
changeset
|
2804 curr_lexer->looking_at_return_list = false; |
7302f8a4df83
use pointer for global lexical_feedback structure
John W. Eaton <jwe@octave.org>
parents:
16109
diff
changeset
|
2805 curr_lexer->looking_at_parameter_list = false; |
2883 | 2806 } |
2807 | |
2846 | 2808 // Make an index expression. |
2809 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2810 tree_index_expression * |
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2811 octave_parser::make_index_expression (tree_expression *expr, |
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2812 tree_argument_list *args, char type) |
751 | 2813 { |
2814 tree_index_expression *retval = 0; | |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
2815 |
10206
37a08e0ce2dc
support Matlab-style empty output/input arguments
Jaroslav Hajek <highegg@gmail.com>
parents:
10188
diff
changeset
|
2816 if (args && args->has_magic_tilde ()) |
37a08e0ce2dc
support Matlab-style empty output/input arguments
Jaroslav Hajek <highegg@gmail.com>
parents:
10188
diff
changeset
|
2817 { |
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
|
2818 bison_error ("invalid use of empty argument (~) in index expression"); |
10206
37a08e0ce2dc
support Matlab-style empty output/input arguments
Jaroslav Hajek <highegg@gmail.com>
parents:
10188
diff
changeset
|
2819 return retval; |
37a08e0ce2dc
support Matlab-style empty output/input arguments
Jaroslav Hajek <highegg@gmail.com>
parents:
10188
diff
changeset
|
2820 } |
751 | 2821 |
2970 | 2822 int l = expr->line (); |
2823 int c = expr->column (); | |
2824 | |
2825 expr->mark_postfix_indexed (); | |
2826 | |
3933 | 2827 if (expr->is_index_expression ()) |
2828 { | |
2829 tree_index_expression *tmp = static_cast<tree_index_expression *> (expr); | |
2830 | |
2831 tmp->append (args, type); | |
2832 | |
2833 retval = tmp; | |
2834 } | |
2835 else | |
2836 retval = new tree_index_expression (expr, args, l, c, type); | |
2970 | 2837 |
2838 return retval; | |
2839 } | |
2840 | |
2841 // Make an indirect reference expression. | |
2842 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2843 tree_index_expression * |
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2844 octave_parser::make_indirect_ref (tree_expression *expr, |
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2845 const std::string& elt) |
2970 | 2846 { |
3930 | 2847 tree_index_expression *retval = 0; |
2970 | 2848 |
2849 int l = expr->line (); | |
2850 int c = expr->column (); | |
2851 | |
3933 | 2852 if (expr->is_index_expression ()) |
2853 { | |
2854 tree_index_expression *tmp = static_cast<tree_index_expression *> (expr); | |
2855 | |
2856 tmp->append (elt); | |
2857 | |
2858 retval = tmp; | |
2859 } | |
2860 else | |
2861 retval = new tree_index_expression (expr, elt, l, c); | |
2970 | 2862 |
16110
7302f8a4df83
use pointer for global lexical_feedback structure
John W. Eaton <jwe@octave.org>
parents:
16109
diff
changeset
|
2863 curr_lexer->looking_at_indirect_ref = false; |
751 | 2864 |
2865 return retval; | |
2866 } | |
1511 | 2867 |
4131 | 2868 // Make an indirect reference expression with dynamic field name. |
2869 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2870 tree_index_expression * |
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2871 octave_parser::make_indirect_ref (tree_expression *expr, tree_expression *elt) |
4131 | 2872 { |
2873 tree_index_expression *retval = 0; | |
2874 | |
2875 int l = expr->line (); | |
2876 int c = expr->column (); | |
2877 | |
2878 if (expr->is_index_expression ()) | |
2879 { | |
2880 tree_index_expression *tmp = static_cast<tree_index_expression *> (expr); | |
2881 | |
2882 tmp->append (elt); | |
2883 | |
2884 retval = tmp; | |
2885 } | |
2886 else | |
2887 retval = new tree_index_expression (expr, elt, l, c); | |
2888 | |
16110
7302f8a4df83
use pointer for global lexical_feedback structure
John W. Eaton <jwe@octave.org>
parents:
16109
diff
changeset
|
2889 curr_lexer->looking_at_indirect_ref = false; |
4131 | 2890 |
2891 return retval; | |
2892 } | |
2893 | |
2846 | 2894 // Make a declaration command. |
2895 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2896 tree_decl_command * |
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2897 octave_parser::make_decl_command (int tok, token *tok_val, |
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2898 tree_decl_init_list *lst) |
2846 | 2899 { |
2900 tree_decl_command *retval = 0; | |
2901 | |
2902 int l = tok_val->line (); | |
2903 int c = tok_val->column (); | |
2904 | |
2905 switch (tok) | |
2906 { | |
2907 case GLOBAL: | |
2908 retval = new tree_global_command (lst, l, c); | |
2909 break; | |
2910 | |
14294
9e3983c8963c
deprecate the static keyword
John W. Eaton <jwe@octave.org>
parents:
14293
diff
changeset
|
2911 case PERSISTENT: |
16153
a57c2c8c8163
move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16151
diff
changeset
|
2912 if (curr_fcn_depth > 0) |
14294
9e3983c8963c
deprecate the static keyword
John W. Eaton <jwe@octave.org>
parents:
14293
diff
changeset
|
2913 retval = new tree_persistent_command (lst, l, c); |
2846 | 2914 else |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2915 { |
16199
810a71122c25
move more global variables to octave_lexical_feedback class
John W. Eaton <jwe@octave.org>
parents:
16198
diff
changeset
|
2916 if (curr_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
|
2917 warning ("ignoring persistent declaration near line %d of file '%s'", |
16203
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
2918 l, curr_lexer->fcn_file_full_name.c_str ()); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2919 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2920 warning ("ignoring persistent declaration near line %d", l); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2921 } |
2846 | 2922 break; |
2923 | |
2924 default: | |
2925 panic_impossible (); | |
2926 break; | |
2927 } | |
2928 | |
2929 return retval; | |
2930 } | |
2931 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2932 tree_argument_list * |
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2933 octave_parser::validate_matrix_row (tree_argument_list *row) |
10207
76a880a588ce
error when using ~ in matrix expression
Jaroslav Hajek <highegg@gmail.com>
parents:
10206
diff
changeset
|
2934 { |
76a880a588ce
error when using ~ in matrix expression
Jaroslav Hajek <highegg@gmail.com>
parents:
10206
diff
changeset
|
2935 if (row && row->has_magic_tilde ()) |
16142
26d65d677557
rename yyerror to bison_error and make it a member of octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16139
diff
changeset
|
2936 bison_error ("invalid use of tilde (~) in matrix expression"); |
10207
76a880a588ce
error when using ~ in matrix expression
Jaroslav Hajek <highegg@gmail.com>
parents:
10206
diff
changeset
|
2937 return row; |
76a880a588ce
error when using ~ in matrix expression
Jaroslav Hajek <highegg@gmail.com>
parents:
10206
diff
changeset
|
2938 } |
76a880a588ce
error when using ~ in matrix expression
Jaroslav Hajek <highegg@gmail.com>
parents:
10206
diff
changeset
|
2939 |
16237
70f465930546
rearrange class heirarchy for tree_cell and tree_matrix
John W. Eaton <jwe@octave.org>
parents:
16210
diff
changeset
|
2940 // Finish building an array_list. |
1623 | 2941 |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2942 tree_expression * |
16237
70f465930546
rearrange class heirarchy for tree_cell and tree_matrix
John W. Eaton <jwe@octave.org>
parents:
16210
diff
changeset
|
2943 octave_parser::finish_array_list (tree_array_list *array_list) |
1623 | 2944 { |
16237
70f465930546
rearrange class heirarchy for tree_cell and tree_matrix
John W. Eaton <jwe@octave.org>
parents:
16210
diff
changeset
|
2945 tree_expression *retval = array_list; |
3110 | 2946 |
10067
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
2947 unwind_protect frame; |
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
2948 |
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
2949 frame.protect_var (error_state); |
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
2950 frame.protect_var (warning_state); |
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
2951 |
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
2952 frame.protect_var (discard_error_messages); |
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
2953 frame.protect_var (discard_warning_messages); |
4452 | 2954 |
3815 | 2955 discard_error_messages = true; |
4452 | 2956 discard_warning_messages = true; |
1623 | 2957 |
16237
70f465930546
rearrange class heirarchy for tree_cell and tree_matrix
John W. Eaton <jwe@octave.org>
parents:
16210
diff
changeset
|
2958 if (array_list->all_elements_are_constant ()) |
1829 | 2959 { |
16237
70f465930546
rearrange class heirarchy for tree_cell and tree_matrix
John W. Eaton <jwe@octave.org>
parents:
16210
diff
changeset
|
2960 octave_value tmp = array_list->rvalue1 (); |
1623 | 2961 |
3489 | 2962 if (! (error_state || warning_state)) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2963 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2964 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
|
2965 = 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
|
2966 array_list->column ()); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2967 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2968 std::ostringstream buf; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2969 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2970 tree_print_code tpc (buf); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2971 |
16237
70f465930546
rearrange class heirarchy for tree_cell and tree_matrix
John W. Eaton <jwe@octave.org>
parents:
16210
diff
changeset
|
2972 array_list->accept (tpc); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2973 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2974 tc_retval->stash_original_text (buf.str ()); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2975 |
16237
70f465930546
rearrange class heirarchy for tree_cell and tree_matrix
John W. Eaton <jwe@octave.org>
parents:
16210
diff
changeset
|
2976 delete array_list; |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2977 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2978 retval = tc_retval; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2979 } |
1623 | 2980 } |
3110 | 2981 |
1623 | 2982 return retval; |
2983 } | |
2984 | |
16237
70f465930546
rearrange class heirarchy for tree_cell and tree_matrix
John W. Eaton <jwe@octave.org>
parents:
16210
diff
changeset
|
2985 // 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
|
2986 |
70f465930546
rearrange class heirarchy for tree_cell and tree_matrix
John W. Eaton <jwe@octave.org>
parents:
16210
diff
changeset
|
2987 tree_expression * |
70f465930546
rearrange class heirarchy for tree_cell and tree_matrix
John W. Eaton <jwe@octave.org>
parents:
16210
diff
changeset
|
2988 octave_parser::finish_matrix (tree_matrix *m) |
70f465930546
rearrange class heirarchy for tree_cell and tree_matrix
John W. Eaton <jwe@octave.org>
parents:
16210
diff
changeset
|
2989 { |
70f465930546
rearrange class heirarchy for tree_cell and tree_matrix
John W. Eaton <jwe@octave.org>
parents:
16210
diff
changeset
|
2990 return finish_array_list (m); |
70f465930546
rearrange class heirarchy for tree_cell and tree_matrix
John W. Eaton <jwe@octave.org>
parents:
16210
diff
changeset
|
2991 } |
70f465930546
rearrange class heirarchy for tree_cell and tree_matrix
John W. Eaton <jwe@octave.org>
parents:
16210
diff
changeset
|
2992 |
3351 | 2993 // Finish building a cell list. |
2994 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2995 tree_expression * |
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
2996 octave_parser::finish_cell (tree_cell *c) |
3351 | 2997 { |
16237
70f465930546
rearrange class heirarchy for tree_cell and tree_matrix
John W. Eaton <jwe@octave.org>
parents:
16210
diff
changeset
|
2998 return finish_array_list (c); |
3351 | 2999 } |
3000 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
3001 void |
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
3002 octave_parser::maybe_warn_missing_semi (tree_statement_list *t) |
1511 | 3003 { |
16153
a57c2c8c8163
move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16151
diff
changeset
|
3004 if (curr_fcn_depth > 0) |
1511 | 3005 { |
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
|
3006 tree_statement *tmp = t->back (); |
1607 | 3007 |
1511 | 3008 if (tmp->is_expression ()) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3009 warning_with_id |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3010 ("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
|
3011 "missing semicolon near line %d, column %d in file '%s'", |
16203
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3012 tmp->line (), tmp->column (), curr_lexer->fcn_file_full_name.c_str ()); |
1511 | 3013 } |
3014 } | |
1994 | 3015 |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
3016 tree_statement_list * |
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
3017 octave_parser::set_stmt_print_flag (tree_statement_list *list, char sep, |
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
3018 bool warn_missing_semi) |
2525 | 3019 { |
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
|
3020 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
|
3021 |
2525 | 3022 switch (sep) |
3023 { | |
3024 case ';': | |
8658
73c4516fae10
New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
8471
diff
changeset
|
3025 tmp->set_print_flag (false); |
2525 | 3026 break; |
3027 | |
3028 case 0: | |
3029 case ',': | |
3030 case '\n': | |
8658
73c4516fae10
New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
8471
diff
changeset
|
3031 tmp->set_print_flag (true); |
2525 | 3032 if (warn_missing_semi) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3033 maybe_warn_missing_semi (list); |
2525 | 3034 break; |
3035 | |
3036 default: | |
3037 warning ("unrecognized separator type!"); | |
3038 break; | |
3039 } | |
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
|
3040 |
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
|
3041 // 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
|
3042 // 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
|
3043 |
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
|
3044 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
|
3045 { |
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
|
3046 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
|
3047 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
|
3048 } |
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
|
3049 |
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
|
3050 return list; |
2525 | 3051 } |
3052 | |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
3053 tree_statement_list * |
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
3054 octave_parser::make_statement_list (tree_statement *stmt) |
8448
d6c0d5f208de
parse.y: avoid storing null statements in statement lists
John W. Eaton <jwe@octave.org>
parents:
8447
diff
changeset
|
3055 { |
8471
02de6775f1fe
parse.y: always append statements to list, but remove null statements after seeing separator
John W. Eaton <jwe@octave.org>
parents:
8448
diff
changeset
|
3056 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
|
3057 } |
d6c0d5f208de
parse.y: avoid storing null statements in statement lists
John W. Eaton <jwe@octave.org>
parents:
8447
diff
changeset
|
3058 |
16134
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
3059 tree_statement_list * |
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
3060 octave_parser::append_statement_list (tree_statement_list *list, char sep, |
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
3061 tree_statement *stmt, |
ec9c6222ef5a
move static parser helper functions to octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16133
diff
changeset
|
3062 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
|
3063 { |
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
|
3064 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
|
3065 |
02de6775f1fe
parse.y: always append statements to list, but remove null statements after seeing separator
John W. Eaton <jwe@octave.org>
parents:
8448
diff
changeset
|
3066 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
|
3067 |
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
|
3068 return list; |
8448
d6c0d5f208de
parse.y: avoid storing null statements in statement lists
John W. Eaton <jwe@octave.org>
parents:
8447
diff
changeset
|
3069 } |
d6c0d5f208de
parse.y: avoid storing null statements in statement lists
John W. Eaton <jwe@octave.org>
parents:
8447
diff
changeset
|
3070 |
16145
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3071 void |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3072 octave_parser::bison_error (const char *s) |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3073 { |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3074 int err_col = curr_lexer->current_input_column - 1; |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3075 |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3076 std::ostringstream output_buf; |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3077 |
16199
810a71122c25
move more global variables to octave_lexical_feedback class
John W. Eaton <jwe@octave.org>
parents:
16198
diff
changeset
|
3078 if (curr_lexer->reading_fcn_file || curr_lexer->reading_script_file || curr_lexer->reading_classdef_file) |
16145
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3079 output_buf << "parse error near line " << curr_lexer->input_line_number |
16203
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3080 << " of file " << curr_lexer->fcn_file_full_name; |
16145
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3081 else |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3082 output_buf << "parse error:"; |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3083 |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3084 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
|
3085 output_buf << "\n\n " << s; |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3086 |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3087 output_buf << "\n\n"; |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3088 |
16207
0467d68ca891
move current_input_line to lexical_feedback class
John W. Eaton <jwe@octave.org>
parents:
16203
diff
changeset
|
3089 std::string curr_line = curr_lexer->current_input_line; |
0467d68ca891
move current_input_line to lexical_feedback class
John W. Eaton <jwe@octave.org>
parents:
16203
diff
changeset
|
3090 |
0467d68ca891
move current_input_line to lexical_feedback class
John W. Eaton <jwe@octave.org>
parents:
16203
diff
changeset
|
3091 if (! curr_line.empty ()) |
16145
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3092 { |
16207
0467d68ca891
move current_input_line to lexical_feedback class
John W. Eaton <jwe@octave.org>
parents:
16203
diff
changeset
|
3093 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
|
3094 |
0467d68ca891
move current_input_line to lexical_feedback class
John W. Eaton <jwe@octave.org>
parents:
16203
diff
changeset
|
3095 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
|
3096 curr_line.resize (len-1); |
16145
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3097 |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3098 // 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
|
3099 |
16207
0467d68ca891
move current_input_line to lexical_feedback class
John W. Eaton <jwe@octave.org>
parents:
16203
diff
changeset
|
3100 output_buf << ">>> " << curr_line << "\n"; |
16145
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3101 |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3102 if (err_col == 0) |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3103 err_col = len; |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3104 |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3105 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
|
3106 output_buf << " "; |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3107 |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3108 output_buf << "^"; |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3109 } |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3110 |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3111 output_buf << "\n"; |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3112 |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3113 std::string msg = output_buf.str (); |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3114 |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3115 parse_error ("%s", msg.c_str ()); |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3116 } |
edddf8903f15
maint: reorder functions in oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
16142
diff
changeset
|
3117 |
3021 | 3118 static void |
10067
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3119 safe_fclose (FILE *f) |
3021 | 3120 { |
5775 | 3121 // FIXME -- comments at the end of an input file are |
3765 | 3122 // discarded (otherwise, they would be appended to the next |
3123 // statement, possibly from the command line or another file, which | |
3124 // can be quite confusing). | |
3125 | |
5308 | 3126 octave_comment_list *tc = octave_comment_buffer::get_comment (); |
3127 | |
3128 delete tc; | |
3765 | 3129 |
3021 | 3130 if (f) |
3131 fclose (static_cast<FILE *> (f)); | |
3132 } | |
3133 | |
7336 | 3134 static octave_function * |
16203
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3135 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
|
3136 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
|
3137 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
|
3138 bool relative_lookup, const std::string& warn_for) |
3021 | 3139 { |
10067
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3140 unwind_protect frame; |
3021 | 3141 |
7336 | 3142 octave_function *fcn_ptr = 0; |
3021 | 3143 |
3144 // Open function file and parse. | |
3145 | |
3146 FILE *in_stream = command_editor::get_input_stream (); | |
3147 | |
10067
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3148 frame.add_fcn (command_editor::set_input_stream, in_stream); |
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3149 |
12989
00235a6446da
eliminate duplication of internal variables controlling command history
John W. Eaton <jwe@octave.org>
parents:
12973
diff
changeset
|
3150 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
|
3151 command_history::ignoring_entries ()); |
00235a6446da
eliminate duplication of internal variables controlling command history
John W. Eaton <jwe@octave.org>
parents:
12973
diff
changeset
|
3152 |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3153 command_history::ignore_entries (); |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3154 |
16198
2c5c538be353
clean up input.cc and eliminate ff_instream global variable
John W. Eaton <jwe@octave.org>
parents:
16195
diff
changeset
|
3155 FILE *ffile = 0; |
2c5c538be353
clean up input.cc and eliminate ff_instream global variable
John W. Eaton <jwe@octave.org>
parents:
16195
diff
changeset
|
3156 |
16203
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3157 if (! full_file.empty ()) |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3158 ffile = gnulib::fopen (full_file.c_str (), "rb"); |
3021 | 3159 |
10067
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3160 frame.add_fcn (safe_fclose, ffile); |
3021 | 3161 |
3162 if (ffile) | |
3163 { | |
7720
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3164 bool eof; |
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3165 |
16149
49dfba4fd3c5
use pure parser and reentrant lexer interfaces
John W. Eaton <jwe@octave.org>
parents:
16147
diff
changeset
|
3166 // octave_parser constructor sets this for us. |
49dfba4fd3c5
use pure parser and reentrant lexer interfaces
John W. Eaton <jwe@octave.org>
parents:
16147
diff
changeset
|
3167 frame.protect_var (CURR_LEXER); |
49dfba4fd3c5
use pure parser and reentrant lexer interfaces
John W. Eaton <jwe@octave.org>
parents:
16147
diff
changeset
|
3168 |
16195
b52d2f9294b6
use class for reading lexer input
John W. Eaton <jwe@octave.org>
parents:
16187
diff
changeset
|
3169 octave_parser curr_parser (ffile); |
16187
490625211945
don't use new to create parser object
John W. Eaton <jwe@octave.org>
parents:
16177
diff
changeset
|
3170 |
490625211945
don't use new to create parser object
John W. Eaton <jwe@octave.org>
parents:
16177
diff
changeset
|
3171 curr_parser.curr_class_name = dispatch_type; |
490625211945
don't use new to create parser object
John W. Eaton <jwe@octave.org>
parents:
16177
diff
changeset
|
3172 curr_parser.autoloading = autoload; |
490625211945
don't use new to create parser object
John W. Eaton <jwe@octave.org>
parents:
16177
diff
changeset
|
3173 curr_parser.fcn_file_from_relative_lookup = relative_lookup; |
16153
a57c2c8c8163
move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16151
diff
changeset
|
3174 |
16203
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3175 // Do this with an unwind-protect cleanup function so that |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3176 // the forced variables will be unmarked in the event of an |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3177 // interrupt. |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3178 symbol_table::scope_id scope = symbol_table::top_scope (); |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3179 frame.add_fcn (symbol_table::unmark_forced_variables, scope); |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3180 |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3181 curr_parser.curr_lexer->force_script = force_script; |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3182 curr_parser.curr_lexer->prep_for_file (); |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3183 curr_parser.curr_lexer->parsing_class_method = ! dispatch_type.empty (); |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3184 |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3185 curr_parser.curr_lexer->fcn_file_name = file; |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3186 curr_parser.curr_lexer->fcn_file_full_name = full_file; |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3187 |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3188 int status = curr_parser.run (); |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3189 |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3190 fcn_ptr = curr_parser.primary_fcn_ptr; |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3191 |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3192 if (status != 0) |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3193 error ("parse error while reading file %s", full_file.c_str ()); |
3021 | 3194 } |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3195 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
|
3196 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
|
3197 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
|
3198 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
|
3199 full_file.c_str ()); |
3021 | 3200 |
7336 | 3201 return fcn_ptr; |
3021 | 3202 } |
3203 | |
5484 | 3204 std::string |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3205 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
|
3206 std::string& full_file) |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3207 { |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3208 std::string retval; |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3209 |
16203
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3210 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
|
3211 |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3212 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
|
3213 |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3214 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
|
3215 |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3216 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
|
3217 || (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
|
3218 || (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
|
3219 { |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3220 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
|
3221 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
|
3222 |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3223 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
|
3224 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
|
3225 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
|
3226 } |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3227 |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3228 if (! file.empty ()) |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3229 { |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3230 symbol_found = true; |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3231 |
16203
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3232 octave_function *fcn |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3233 = 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
|
3234 |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3235 if (fcn) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3236 { |
16203
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3237 retval = fcn->doc_string (); |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3238 |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3239 delete fcn; |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3240 } |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3241 } |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3242 |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3243 return retval; |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3244 } |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3245 |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3246 std::string |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3247 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
|
3248 { |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3249 std::string file; |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3250 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
|
3251 } |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3252 |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3253 std::string |
5484 | 3254 lookup_autoload (const std::string& nm) |
3255 { | |
5626 | 3256 std::string retval; |
3257 | |
3258 typedef std::map<std::string, std::string>::const_iterator am_iter; | |
3259 | |
3260 am_iter p = autoload_map.find (nm); | |
3261 | |
3262 if (p != autoload_map.end ()) | |
6323 | 3263 retval = load_path::find_file (p->second); |
5626 | 3264 |
3265 return retval; | |
5484 | 3266 } |
3267 | |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
3268 string_vector |
5592 | 3269 autoloaded_functions (void) |
3270 { | |
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
|
3271 string_vector names (autoload_map.size ()); |
5592 | 3272 |
3273 octave_idx_type i = 0; | |
5626 | 3274 typedef std::map<std::string, std::string>::const_iterator am_iter; |
3275 for (am_iter p = autoload_map.begin (); p != autoload_map.end (); p++) | |
5592 | 3276 names[i++] = p->first; |
3277 | |
3278 return names; | |
3279 } | |
3280 | |
3281 string_vector | |
3282 reverse_lookup_autoload (const std::string& nm) | |
3283 { | |
3284 string_vector names; | |
3285 | |
5626 | 3286 typedef std::map<std::string, std::string>::const_iterator am_iter; |
3287 for (am_iter p = autoload_map.begin (); p != autoload_map.end (); p++) | |
5592 | 3288 if (nm == p->second) |
3289 names.append (p->first); | |
3290 | |
3291 return names; | |
3292 } | |
3293 | |
7336 | 3294 octave_function * |
3295 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
|
3296 const std::string& dispatch_type, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3297 const std::string& fcn_name, bool autoload) |
3021 | 3298 { |
7336 | 3299 octave_function *retval = 0; |
3300 | |
10067
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3301 unwind_protect frame; |
5484 | 3302 |
7336 | 3303 std::string nm = file_name; |
6238 | 3304 |
3305 size_t nm_len = nm.length (); | |
5472 | 3306 |
3307 std::string file; | |
3308 | |
16153
a57c2c8c8163
move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16151
diff
changeset
|
3309 bool relative_lookup = false; |
6323 | 3310 |
7336 | 3311 file = nm; |
3312 | |
3313 if ((nm_len > 4 && nm.substr (nm_len-4) == ".oct") | |
3314 || (nm_len > 4 && nm.substr (nm_len-4) == ".mex") | |
3315 || (nm_len > 2 && nm.substr (nm_len-2) == ".m")) | |
5472 | 3316 { |
6238 | 3317 nm = octave_env::base_pathname (file); |
3318 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
|
3319 |
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
|
3320 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
|
3321 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
|
3322 nm = nm.substr (pos+1); |
5472 | 3323 } |
7336 | 3324 |
16153
a57c2c8c8163
move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16151
diff
changeset
|
3325 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
|
3326 |
10250 | 3327 file = octave_env::make_absolute (file); |
4243 | 3328 |
3329 int len = file.length (); | |
3330 | |
4244 | 3331 if (len > 4 && file.substr (len-4, len-1) == ".oct") |
3021 | 3332 { |
7336 | 3333 if (autoload && ! fcn_name.empty ()) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3334 nm = fcn_name; |
7336 | 3335 |
16153
a57c2c8c8163
move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16151
diff
changeset
|
3336 retval = octave_dynamic_loader::load_oct (nm, file, relative_lookup); |
5864 | 3337 } |
3338 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
|
3339 { |
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
|
3340 // 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
|
3341 // 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
|
3342 |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
3343 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
|
3344 nm, dispatch_type, false, |
16153
a57c2c8c8163
move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16151
diff
changeset
|
3345 autoload, autoload, |
a57c2c8c8163
move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16151
diff
changeset
|
3346 relative_lookup, ""); |
a57c2c8c8163
move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16151
diff
changeset
|
3347 |
a57c2c8c8163
move some variables into the octave_parser class
John W. Eaton <jwe@octave.org>
parents:
16151
diff
changeset
|
3348 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
|
3349 |
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
|
3350 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
|
3351 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
|
3352 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
|
3353 } |
4244 | 3354 else if (len > 2) |
3021 | 3355 { |
16203
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3356 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
|
3357 autoload, relative_lookup, ""); |
3021 | 3358 } |
3359 | |
7336 | 3360 if (retval) |
8819
96d87674b818
also stash directory name for subfunctions
John W. Eaton <jwe@octave.org>
parents:
8812
diff
changeset
|
3361 { |
96d87674b818
also stash directory name for subfunctions
John W. Eaton <jwe@octave.org>
parents:
8812
diff
changeset
|
3362 retval->stash_dir_name (dir_name); |
96d87674b818
also stash directory name for subfunctions
John W. Eaton <jwe@octave.org>
parents:
8812
diff
changeset
|
3363 |
96d87674b818
also stash directory name for subfunctions
John W. Eaton <jwe@octave.org>
parents:
8812
diff
changeset
|
3364 if (retval->is_user_function ()) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3365 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3366 symbol_table::scope_id id = retval->scope (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3367 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3368 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
|
3369 } |
8819
96d87674b818
also stash directory name for subfunctions
John W. Eaton <jwe@octave.org>
parents:
8812
diff
changeset
|
3370 } |
7336 | 3371 |
3372 return retval; | |
5312 | 3373 } |
3374 | |
8746
5dd06f19e9be
handle commands in the lexer
John W. Eaton <jwe@octave.org>
parents:
8745
diff
changeset
|
3375 DEFUN (autoload, args, , |
5484 | 3376 "-*- texinfo -*-\n\ |
3377 @deftypefn {Built-in Function} {} autoload (@var{function}, @var{file})\n\ | |
3378 Define @var{function} to autoload from @var{file}.\n\ | |
5626 | 3379 \n\ |
6926 | 3380 The second argument, @var{file}, should be an absolute file name or\n\ |
3381 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
|
3382 the autoload command was run. @var{file} should not depend on the\n\ |
6926 | 3383 Octave load path.\n\ |
6380 | 3384 \n\ |
3385 Normally, calls to @code{autoload} appear in PKG_ADD script files that\n\ | |
3386 are evaluated when a directory is added to the Octave's load path. To\n\ | |
6926 | 3387 avoid having to hardcode directory names in @var{file}, if @var{file}\n\ |
3388 is in the same directory as the PKG_ADD script then\n\ | |
6380 | 3389 \n\ |
3390 @example\n\ | |
6926 | 3391 autoload (\"foo\", \"bar.oct\");\n\ |
6380 | 3392 @end example\n\ |
3393 \n\ | |
11572
7d6d8c1e471f
Grammarcheck Texinfo for files in src directory.
Rik <octave@nomad.inbox5.com>
parents:
11523
diff
changeset
|
3394 @noindent\n\ |
9038
fca0dc2fb042
Cleanup documentation files stmt.texi and func.texi
Rik <rdrider0-list@yahoo.com>
parents:
8974
diff
changeset
|
3395 will load the function @code{foo} from the file @code{bar.oct}. The above\n\ |
6926 | 3396 when @code{bar.oct} is not in the same directory or uses like\n\ |
6380 | 3397 \n\ |
3398 @example\n\ | |
6637 | 3399 autoload (\"foo\", file_in_loadpath (\"bar.oct\"))\n\ |
6380 | 3400 @end example\n\ |
3401 \n\ | |
3402 @noindent\n\ | |
6926 | 3403 are strongly discouraged, as their behavior might be unpredictable.\n\ |
6380 | 3404 \n\ |
6637 | 3405 With no arguments, return a structure containing the current autoload map.\n\ |
6380 | 3406 @seealso{PKG_ADD}\n\ |
5484 | 3407 @end deftypefn") |
3408 { | |
5626 | 3409 octave_value retval; |
5484 | 3410 |
3411 int nargin = args.length (); | |
3412 | |
5626 | 3413 if (nargin == 0) |
3414 { | |
10350
12884915a8e4
merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents:
10315
diff
changeset
|
3415 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
|
3416 Cell file_names (dim_vector (autoload_map.size (), 1)); |
5626 | 3417 |
3418 octave_idx_type i = 0; | |
3419 typedef std::map<std::string, std::string>::const_iterator am_iter; | |
3420 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
|
3421 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3422 func_names(i) = p->first; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3423 file_names(i) = p->second; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3424 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3425 i++; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3426 } |
5626 | 3427 |
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
|
3428 octave_map m; |
5626 | 3429 |
3430 m.assign ("function", func_names); | |
3431 m.assign ("file", file_names); | |
3432 | |
3433 retval = m; | |
3434 } | |
3435 else if (nargin == 2) | |
5484 | 3436 { |
3437 string_vector argv = args.make_argv ("autoload"); | |
3438 | |
3439 if (! error_state) | |
6380 | 3440 { |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3441 std::string nm = argv[2]; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3442 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3443 if (! octave_env::absolute_pathname (nm)) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3444 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3445 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
|
3446 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3447 bool found = false; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3448 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3449 if (fcn) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3450 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3451 std::string fname = fcn->fcn_file_name (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3452 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3453 if (! fname.empty ()) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3454 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3455 fname = octave_env::make_absolute (fname); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3456 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
|
3457 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3458 file_stat fs (fname + nm); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3459 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3460 if (fs.exists ()) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3461 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3462 nm = fname + nm; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3463 found = true; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3464 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3465 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3466 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3467 if (! found) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3468 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
|
3469 "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
|
3470 nm.c_str ()); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3471 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3472 autoload_map[argv[1]] = nm; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3473 } |
5484 | 3474 } |
3475 else | |
5823 | 3476 print_usage (); |
5484 | 3477 |
3478 return retval; | |
3479 } | |
3480 | |
4486 | 3481 void |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3482 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
|
3483 bool verbose, bool require_file, const std::string& warn_for) |
4486 | 3484 { |
10578
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3485 // 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
|
3486 // 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
|
3487 // 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
|
3488 // written as |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3489 // |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3490 // foo1.m: |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3491 // ------ |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3492 // foo2 |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3493 // |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3494 // foo2.m: |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3495 // ------ |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3496 // foo1 |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3497 // |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3498 // and called with |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3499 // |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3500 // foo1 |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3501 // |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3502 // (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
|
3503 // |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3504 // foo1.m: |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3505 // ------ |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3506 // source ("foo2.m") |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3507 // |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3508 // foo2.m: |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3509 // ------ |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3510 // source ("foo1.m") |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3511 // |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3512 // and called with |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3513 // |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3514 // source ("foo1.m") |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3515 // |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3516 // (for example). |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3517 |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3518 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
|
3519 |
4486 | 3520 std::string file_full_name = file_ops::tilde_expand (file_name); |
3521 | |
10578
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3522 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
|
3523 |
10067
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3524 unwind_protect frame; |
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3525 |
10578
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3526 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
|
3527 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
|
3528 |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3529 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
|
3530 |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3531 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
|
3532 |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3533 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
|
3534 { |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3535 error ("max_recursion_depth exceeded"); |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3536 return; |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3537 } |
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
3538 |
5975 | 3539 if (! context.empty ()) |
3540 { | |
3541 if (context == "caller") | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3542 octave_call_stack::goto_caller_frame (); |
5975 | 3543 else if (context == "base") |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3544 octave_call_stack::goto_base_frame (); |
5975 | 3545 else |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3546 error ("source: context must be \"caller\" or \"base\""); |
7336 | 3547 |
3548 if (! error_state) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3549 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
|
3550 } |
5975 | 3551 |
3552 if (! error_state) | |
3553 { | |
16203
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3554 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
|
3555 "", require_file, true, |
127cccb037bf
move more global parser and lexer variables to classes
John W. Eaton <jwe@octave.org>
parents:
16199
diff
changeset
|
3556 false, false, warn_for); |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3557 |
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3558 if (! error_state) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3559 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3560 if (fcn && fcn->is_user_script ()) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3561 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3562 octave_value_list args; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3563 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3564 if (verbose) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3565 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3566 std::cout << "executing commands from " << file_full_name << " ... "; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3567 reading_startup_message_printed = true; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3568 std::cout.flush (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3569 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3570 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3571 fcn->do_multi_index_op (0, args); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3572 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3573 if (verbose) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3574 std::cout << "done." << std::endl; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3575 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3576 delete fcn; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3577 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3578 } |
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3579 else |
15466
d174210ce1ec
use ' instead of ` in error messages, warnings and most comments
John W. Eaton <jwe@octave.org>
parents:
14189
diff
changeset
|
3580 error ("source: error sourcing file '%s'", |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3581 file_full_name.c_str ()); |
5975 | 3582 } |
4486 | 3583 } |
3584 | |
5739 | 3585 DEFUN (mfilename, args, , |
3586 "-*- texinfo -*-\n\ | |
11572
7d6d8c1e471f
Grammarcheck Texinfo for files in src directory.
Rik <octave@nomad.inbox5.com>
parents:
11523
diff
changeset
|
3587 @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
|
3588 @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
|
3589 @deftypefnx {Built-in Function} {} mfilename (\"fullpathext\")\n\ |
5739 | 3590 Return the name of the currently executing file. At the top-level,\n\ |
3591 return the empty string. Given the argument @code{\"fullpath\"},\n\ | |
3592 include the directory part of the file name, but not the extension.\n\ | |
3593 Given the argument @code{\"fullpathext\"}, include the directory part\n\ | |
3594 of the file name and the extension.\n\ | |
5774 | 3595 @end deftypefn") |
5739 | 3596 { |
3597 octave_value retval; | |
3598 | |
3599 int nargin = args.length (); | |
3600 | |
3601 if (nargin > 1) | |
3602 { | |
5823 | 3603 print_usage (); |
5739 | 3604 return retval; |
3605 } | |
3606 | |
3607 std::string arg; | |
3608 | |
3609 if (nargin == 1) | |
3610 { | |
3611 arg = args(0).string_value (); | |
3612 | |
3613 if (error_state) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3614 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3615 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
|
3616 return retval; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3617 } |
5739 | 3618 } |
3619 | |
3620 std::string fname; | |
3621 | |
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
|
3622 octave_user_code *fcn = octave_call_stack::caller_user_code (); |
5743 | 3623 |
3624 if (fcn) | |
3625 { | |
3626 fname = fcn->fcn_file_name (); | |
3627 | |
3628 if (fname.empty ()) | |
3629 fname = fcn->name (); | |
3630 } | |
5739 | 3631 |
3632 if (arg == "fullpathext") | |
3633 retval = fname; | |
3634 else | |
3635 { | |
8007
a2ab20ba78f7
make file_ops a proper singleton class
John W. Eaton <jwe@octave.org>
parents:
8001
diff
changeset
|
3636 size_t dpos = fname.rfind (file_ops::dir_sep_char ()); |
5747 | 3637 size_t epos = fname.rfind ('.'); |
3638 | |
3639 if (epos <= dpos) | |
8021 | 3640 epos = std::string::npos; |
3641 | |
3642 fname = (epos != std::string::npos) ? fname.substr (0, epos) : fname; | |
5739 | 3643 |
3644 if (arg == "fullpath") | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3645 retval = fname; |
5739 | 3646 else |
8021 | 3647 retval = (dpos != std::string::npos) ? fname.substr (dpos+1) : fname; |
5739 | 3648 } |
3649 | |
3650 return retval; | |
3651 } | |
3652 | |
3653 | |
3021 | 3654 DEFUN (source, args, , |
3371 | 3655 "-*- texinfo -*-\n\ |
3656 @deftypefn {Built-in Function} {} source (@var{file})\n\ | |
3657 Parse and execute the contents of @var{file}. This is equivalent to\n\ | |
3658 executing commands from a script file, but without requiring the file to\n\ | |
3659 be named @file{@var{file}.m}.\n\ | |
3660 @end deftypefn") | |
3021 | 3661 { |
3662 octave_value_list retval; | |
3663 | |
3664 int nargin = args.length (); | |
3665 | |
5975 | 3666 if (nargin == 1 || nargin == 2) |
3021 | 3667 { |
3523 | 3668 std::string file_name = args(0).string_value (); |
3021 | 3669 |
3670 if (! error_state) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3671 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3672 std::string context; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3673 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3674 if (nargin == 2) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3675 context = args(1).string_value (); |
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 if (! error_state) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3678 source_file (file_name, context); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3679 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3680 error ("source: expecting context to be character string"); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3681 } |
3021 | 3682 else |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3683 error ("source: expecting file name as argument"); |
3021 | 3684 } |
3685 else | |
5823 | 3686 print_usage (); |
3021 | 3687 |
3688 return retval; | |
3689 } | |
3690 | |
3726 | 3691 // Evaluate an Octave function (built-in or interpreted) and return |
3844 | 3692 // the list of result values. NAME is the name of the function to |
3693 // 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
|
3694 // number of output arguments expected. |
3726 | 3695 |
3021 | 3696 octave_value_list |
3523 | 3697 feval (const std::string& name, const octave_value_list& args, int nargout) |
3156 | 3698 { |
3699 octave_value_list retval; | |
3700 | |
7336 | 3701 octave_value fcn = symbol_table::find_function (name, args); |
3702 | |
3703 if (fcn.is_defined ()) | |
3704 retval = fcn.do_multi_index_op (nargout, args); | |
3705 else | |
10443
34e51d4e199b
implement smart warnings about missing Matlab functionality
Jaroslav Hajek <highegg@gmail.com>
parents:
10426
diff
changeset
|
3706 { |
34e51d4e199b
implement smart warnings about missing Matlab functionality
Jaroslav Hajek <highegg@gmail.com>
parents:
10426
diff
changeset
|
3707 maybe_missing_function_hook (name); |
34e51d4e199b
implement smart warnings about missing Matlab functionality
Jaroslav Hajek <highegg@gmail.com>
parents:
10426
diff
changeset
|
3708 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
|
3709 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
|
3710 } |
3156 | 3711 |
3712 return retval; | |
3713 } | |
3714 | |
4342 | 3715 octave_value_list |
3716 feval (octave_function *fcn, const octave_value_list& args, int nargout) | |
3717 { | |
3718 octave_value_list retval; | |
3719 | |
3720 if (fcn) | |
3721 retval = fcn->do_multi_index_op (nargout, args); | |
3722 | |
3723 return retval; | |
3724 } | |
3725 | |
3726 static octave_value_list | |
3727 get_feval_args (const octave_value_list& args) | |
3728 { | |
10659
8baff2aceabc
fix slicing value lists with name tags (bug #29960)
Jaroslav Hajek <highegg@gmail.com>
parents:
10578
diff
changeset
|
3729 return args.slice (1, args.length () - 1, true); |
4342 | 3730 } |
3731 | |
3732 | |
3726 | 3733 // Evaluate an Octave function (built-in or interpreted) and return |
3734 // the list of result values. The first element of ARGS should be a | |
3735 // string containing the name of the function to call, then the rest | |
3736 // are the actual arguments to the function. NARGOUT is the number of | |
3737 // output arguments expected. | |
3738 | |
3156 | 3739 octave_value_list |
3021 | 3740 feval (const octave_value_list& args, int nargout) |
3741 { | |
3742 octave_value_list retval; | |
3743 | |
4342 | 3744 int nargin = args.length (); |
3745 | |
3746 if (nargin > 0) | |
3021 | 3747 { |
4342 | 3748 octave_value f_arg = args(0); |
3749 | |
3750 if (f_arg.is_string ()) | |
3751 { | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3752 std::string name = f_arg.string_value (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3753 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3754 if (! error_state) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3755 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3756 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
|
3757 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3758 retval = feval (name, tmp_args, nargout); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3759 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3760 } |
13241
2a8dcb5b3a00
improve default indexing for objects
John W. Eaton <jwe@octave.org>
parents:
13237
diff
changeset
|
3761 else if (f_arg.is_function_handle () |
2a8dcb5b3a00
improve default indexing for objects
John W. Eaton <jwe@octave.org>
parents:
13237
diff
changeset
|
3762 || f_arg.is_anonymous_function () |
2a8dcb5b3a00
improve default indexing for objects
John W. Eaton <jwe@octave.org>
parents:
13237
diff
changeset
|
3763 || f_arg.is_inline_function ()) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3764 { |
10492
a6b64a7a3769
make feval work with overloaded handles
Jaroslav Hajek <highegg@gmail.com>
parents:
10463
diff
changeset
|
3765 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
|
3766 |
a6b64a7a3769
make feval work with overloaded handles
Jaroslav Hajek <highegg@gmail.com>
parents:
10463
diff
changeset
|
3767 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
|
3768 } |
10492
a6b64a7a3769
make feval work with overloaded handles
Jaroslav Hajek <highegg@gmail.com>
parents:
10463
diff
changeset
|
3769 else |
a6b64a7a3769
make feval work with overloaded handles
Jaroslav Hajek <highegg@gmail.com>
parents:
10463
diff
changeset
|
3770 error ("feval: first argument must be a string, inline function or a function handle"); |
3021 | 3771 } |
3772 | |
3773 return retval; | |
3774 } | |
3775 | |
3776 DEFUN (feval, args, nargout, | |
3371 | 3777 "-*- texinfo -*-\n\ |
3778 @deftypefn {Built-in Function} {} feval (@var{name}, @dots{})\n\ | |
3779 Evaluate the function named @var{name}. Any arguments after the first\n\ | |
3780 are passed on to the named function. For example,\n\ | |
3781 \n\ | |
3782 @example\n\ | |
11572
7d6d8c1e471f
Grammarcheck Texinfo for files in src directory.
Rik <octave@nomad.inbox5.com>
parents:
11523
diff
changeset
|
3783 @group\n\ |
3371 | 3784 feval (\"acos\", -1)\n\ |
3785 @result{} 3.1416\n\ | |
11572
7d6d8c1e471f
Grammarcheck Texinfo for files in src directory.
Rik <octave@nomad.inbox5.com>
parents:
11523
diff
changeset
|
3786 @end group\n\ |
3371 | 3787 @end example\n\ |
3021 | 3788 \n\ |
3371 | 3789 @noindent\n\ |
3790 calls the function @code{acos} with the argument @samp{-1}.\n\ | |
3791 \n\ | |
12946
8b5b85e26246
octave-parse.yy (feval): Update docstring to refer to function handles.
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents:
12918
diff
changeset
|
3792 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
|
3793 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
|
3794 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
|
3795 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
|
3796 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
|
3797 \n\ |
8b5b85e26246
octave-parse.yy (feval): Update docstring to refer to function handles.
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents:
12918
diff
changeset
|
3798 @example\n\ |
8b5b85e26246
octave-parse.yy (feval): Update docstring to refer to function handles.
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents:
12918
diff
changeset
|
3799 @group\n\ |
8b5b85e26246
octave-parse.yy (feval): Update docstring to refer to function handles.
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents:
12918
diff
changeset
|
3800 @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
|
3801 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
|
3802 @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
|
3803 @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
|
3804 @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
|
3805 @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
|
3806 @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
|
3807 \n\ |
8b5b85e26246
octave-parse.yy (feval): Update docstring to refer to function handles.
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents:
12918
diff
changeset
|
3808 @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
|
3809 are equivalent ways to call the function referred to by @var{f}. If it\n\ |
12946
8b5b85e26246
octave-parse.yy (feval): Update docstring to refer to function handles.
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents:
12918
diff
changeset
|
3810 cannot be predicted beforehand that @var{f} is a function handle or the\n\ |
8b5b85e26246
octave-parse.yy (feval): Update docstring to refer to function handles.
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents:
12918
diff
changeset
|
3811 function name in a string, @code{feval} can be used instead.\n\ |
3371 | 3812 @end deftypefn") |
3021 | 3813 { |
3814 octave_value_list retval; | |
3815 | |
3816 int nargin = args.length (); | |
3817 | |
3818 if (nargin > 0) | |
3819 retval = feval (args, nargout); | |
3820 else | |
5823 | 3821 print_usage (); |
3021 | 3822 |
3823 return retval; | |
3824 } | |
3825 | |
11225
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
3826 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
|
3827 "-*- texinfo -*-\n\ |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
3828 @deftypefn {Loadable Function} {[@dots{}]} builtin (@var{f}, @dots{})\n\ |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
3829 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
|
3830 another function for the given type signature.\n\ |
11225
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
3831 @end deftypefn") |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
3832 { |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
3833 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
|
3834 |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
3835 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
|
3836 |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
3837 if (nargin > 0) |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
3838 { |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
3839 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
|
3840 |
11225
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
3841 if (! error_state) |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
3842 { |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
3843 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
|
3844 |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
3845 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
|
3846 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
|
3847 nargout); |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
3848 else |
15466
d174210ce1ec
use ' instead of ` in error messages, warnings and most comments
John W. Eaton <jwe@octave.org>
parents:
14189
diff
changeset
|
3849 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
|
3850 } |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
3851 else |
12483
7a5aacf65f81
Rewrite error strings in src/ to use variables named in documentation.
Rik <octave@nomad.inbox5.com>
parents:
12400
diff
changeset
|
3852 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
|
3853 } |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
3854 else |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
3855 print_usage (); |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
3856 |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
3857 return retval; |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
3858 } |
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
3859 |
3099 | 3860 octave_value_list |
16195
b52d2f9294b6
use class for reading lexer input
John W. Eaton <jwe@octave.org>
parents:
16187
diff
changeset
|
3861 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
|
3862 int& parse_status, int nargout) |
3021 | 3863 { |
3877 | 3864 octave_value_list retval; |
3865 | |
10067
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3866 unwind_protect frame; |
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3867 |
16149
49dfba4fd3c5
use pure parser and reentrant lexer interfaces
John W. Eaton <jwe@octave.org>
parents:
16147
diff
changeset
|
3868 // octave_parser constructor sets this for us. |
49dfba4fd3c5
use pure parser and reentrant lexer interfaces
John W. Eaton <jwe@octave.org>
parents:
16147
diff
changeset
|
3869 frame.protect_var (CURR_LEXER); |
49dfba4fd3c5
use pure parser and reentrant lexer interfaces
John W. Eaton <jwe@octave.org>
parents:
16147
diff
changeset
|
3870 |
16195
b52d2f9294b6
use class for reading lexer input
John W. Eaton <jwe@octave.org>
parents:
16187
diff
changeset
|
3871 octave_parser curr_parser (eval_str); |
b52d2f9294b6
use class for reading lexer input
John W. Eaton <jwe@octave.org>
parents:
16187
diff
changeset
|
3872 |
3877 | 3873 do |
3874 { | |
16187
490625211945
don't use new to create parser object
John W. Eaton <jwe@octave.org>
parents:
16177
diff
changeset
|
3875 curr_parser.reset (); |
4318 | 3876 |
9260
9c2349a51218
properly unmark forced variables
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
3877 // Do this with an unwind-protect cleanup function so that the |
9c2349a51218
properly unmark forced variables
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
3878 // forced variables will be unmarked in the event of an |
9c2349a51218
properly unmark forced variables
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
3879 // interrupt. |
9c2349a51218
properly unmark forced variables
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
3880 symbol_table::scope_id scope = symbol_table::top_scope (); |
10067
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3881 frame.add_fcn (symbol_table::unmark_forced_variables, scope); |
9260
9c2349a51218
properly unmark forced variables
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
3882 |
16187
490625211945
don't use new to create parser object
John W. Eaton <jwe@octave.org>
parents:
16177
diff
changeset
|
3883 parse_status = curr_parser.run (); |
3877 | 3884 |
9260
9c2349a51218
properly unmark forced variables
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
3885 // Unmark forced variables. |
16177
a7669b4d27f6
eliminate global global_command variable
John W. Eaton <jwe@octave.org>
parents:
16174
diff
changeset
|
3886 frame.run (1); |
7903
8018e10d2b87
save and restore global_command as needed
John W. Eaton <jwe@octave.org>
parents:
7901
diff
changeset
|
3887 |
3883 | 3888 if (parse_status == 0) |
3877 | 3889 { |
16187
490625211945
don't use new to create parser object
John W. Eaton <jwe@octave.org>
parents:
16177
diff
changeset
|
3890 if (curr_parser.stmt_list) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3891 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3892 tree_statement *stmt = 0; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3893 |
16187
490625211945
don't use new to create parser object
John W. Eaton <jwe@octave.org>
parents:
16177
diff
changeset
|
3894 if (curr_parser.stmt_list->length () == 1 |
490625211945
don't use new to create parser object
John W. Eaton <jwe@octave.org>
parents:
16177
diff
changeset
|
3895 && (stmt = curr_parser.stmt_list->front ()) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3896 && stmt->is_expression ()) |
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 tree_expression *expr = stmt->expression (); |
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 (silent) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3901 expr->set_print_flag (false); |
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 bool do_bind_ans = false; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3904 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3905 if (expr->is_identifier ()) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3906 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3907 tree_identifier *id |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3908 = dynamic_cast<tree_identifier *> (expr); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3909 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3910 do_bind_ans = (! id->is_variable ()); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3911 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3912 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3913 do_bind_ans = (! expr->is_assignment_expression ()); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3914 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3915 retval = expr->rvalue (nargout); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3916 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3917 if (do_bind_ans && ! (error_state || retval.empty ())) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3918 bind_ans (retval(0), expr->print_result ()); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3919 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3920 if (nargout == 0) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3921 retval = octave_value_list (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3922 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3923 else if (nargout == 0) |
16187
490625211945
don't use new to create parser object
John W. Eaton <jwe@octave.org>
parents:
16177
diff
changeset
|
3924 curr_parser.stmt_list->accept (*current_evaluator); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3925 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3926 error ("eval: invalid use of statement list"); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3927 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3928 if (error_state |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3929 || tree_return_command::returning |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3930 || tree_break_command::breaking |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3931 || tree_continue_command::continuing) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3932 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3933 } |
16187
490625211945
don't use new to create parser object
John W. Eaton <jwe@octave.org>
parents:
16177
diff
changeset
|
3934 else if (curr_parser.curr_lexer->end_of_input) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3935 break; |
3883 | 3936 } |
3877 | 3937 } |
3938 while (parse_status == 0); | |
3021 | 3939 |
3940 return retval; | |
3941 } | |
3942 | |
3943 octave_value | |
16195
b52d2f9294b6
use class for reading lexer input
John W. Eaton <jwe@octave.org>
parents:
16187
diff
changeset
|
3944 eval_string (const std::string& eval_str, bool silent, int& parse_status) |
3021 | 3945 { |
3946 octave_value retval; | |
3947 | |
16195
b52d2f9294b6
use class for reading lexer input
John W. Eaton <jwe@octave.org>
parents:
16187
diff
changeset
|
3948 octave_value_list tmp = eval_string (eval_str, silent, parse_status, 1); |
3021 | 3949 |
3950 if (! tmp.empty ()) | |
3951 retval = tmp(0); | |
3952 | |
3953 return retval; | |
3954 } | |
3955 | |
3956 static octave_value_list | |
3957 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
|
3958 int nargout) |
3021 | 3959 { |
3523 | 3960 std::string s = arg.string_value (); |
3021 | 3961 |
3962 if (error_state) | |
3963 { | |
3523 | 3964 error ("eval: expecting std::string argument"); |
4233 | 3965 return octave_value (-1); |
3021 | 3966 } |
3967 | |
3968 return eval_string (s, silent, parse_status, nargout); | |
3969 } | |
3970 | |
13970 | 3971 void |
3972 cleanup_statement_list (tree_statement_list **lst) | |
3973 { | |
3974 if (*lst) | |
3975 { | |
3976 delete *lst; | |
3977 *lst = 0; | |
3978 } | |
3979 } | |
3980 | |
3021 | 3981 DEFUN (eval, args, nargout, |
3371 | 3982 "-*- texinfo -*-\n\ |
14172
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doc: Update seealso references for eval family of functions.
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|
3983 @deftypefn {Built-in Function} {} eval (@var{try})\n\ |
cba1c681f1b7
doc: Update seealso references for eval family of functions.
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|
3984 @deftypefnx {Built-in Function} {} eval (@var{try}, @var{catch})\n\ |
3371 | 3985 Parse the string @var{try} and evaluate it as if it were an Octave\n\ |
6643 | 3986 program. If that fails, evaluate the optional string @var{catch}.\n\ |
4463 | 3987 The string @var{try} is evaluated in the current context,\n\ |
3988 so any results remain available after @code{eval} returns.\n\ | |
6643 | 3989 \n\ |
3990 The following example makes the variable @var{a} with the approximate\n\ | |
3991 value 3.1416 available.\n\ | |
3992 \n\ | |
3993 @example\n\ | |
14360
97883071e8e4
doc: Correct off-by-1 spacings in all .cc docstrings
Rik <octave@nomad.inbox5.com>
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changeset
|
3994 eval (\"a = acos(-1);\");\n\ |
6643 | 3995 @end example\n\ |
3996 \n\ | |
3997 If an error occurs during the evaluation of @var{try} the @var{catch}\n\ | |
8828 | 3998 string is evaluated, as the following example shows:\n\ |
6643 | 3999 \n\ |
4000 @example\n\ | |
11572
7d6d8c1e471f
Grammarcheck Texinfo for files in src directory.
Rik <octave@nomad.inbox5.com>
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diff
changeset
|
4001 @group\n\ |
6643 | 4002 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
|
4003 'printf (\"This error occurred:\\n%s\\n\", lasterr ());');\n\ |
7001 | 4004 @print{} This error occurred:\n\ |
8015
30629059b72d
Update the manual to reflect the changes in error output
sh@sh-laptop
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|
4005 This is a bad example\n\ |
11572
7d6d8c1e471f
Grammarcheck Texinfo for files in src directory.
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|
4006 @end group\n\ |
6643 | 4007 @end example\n\ |
14172
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4008 \n\ |
cba1c681f1b7
doc: Update seealso references for eval family of functions.
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|
4009 Consider using try/catch blocks instead if you are only using @code{eval}\n\ |
cba1c681f1b7
doc: Update seealso references for eval family of functions.
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changeset
|
4010 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>
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|
4011 code strings.\n\ |
cba1c681f1b7
doc: Update seealso references for eval family of functions.
Rik <octave@nomad.inbox5.com>
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|
4012 @seealso{evalin}\n\ |
3371 | 4013 @end deftypefn") |
3021 | 4014 { |
4015 octave_value_list retval; | |
4016 | |
4017 int nargin = args.length (); | |
4018 | |
4019 if (nargin > 0) | |
4020 { | |
10067
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
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|
4021 unwind_protect frame; |
3021 | 4022 |
4023 if (nargin > 1) | |
10315
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|
4024 { |
57a59eae83cc
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|
4025 frame.protect_var (buffer_error_messages); |
57a59eae83cc
untabify src C++ source files
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|
4026 buffer_error_messages++; |
57a59eae83cc
untabify src C++ source files
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diff
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|
4027 } |
3021 | 4028 |
4029 int parse_status = 0; | |
4030 | |
4463 | 4031 octave_value_list tmp = eval_string (args(0), nargout > 0, |
10315
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|
4032 parse_status, nargout); |
4463 | 4033 |
3021 | 4034 if (nargin > 1 && (parse_status != 0 || error_state)) |
10315
57a59eae83cc
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|
4035 { |
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|
4036 error_state = 0; |
57a59eae83cc
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|
4037 |
57a59eae83cc
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|
4038 // Set up for letting the user print any messages from |
57a59eae83cc
untabify src C++ source files
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|
4039 // errors that occurred in the first part of this eval(). |
57a59eae83cc
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|
4040 |
57a59eae83cc
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|
4041 buffer_error_messages--; |
57a59eae83cc
untabify src C++ source files
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|
4042 |
57a59eae83cc
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changeset
|
4043 tmp = eval_string (args(1), nargout > 0, parse_status, nargout); |
57a59eae83cc
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|
4044 |
57a59eae83cc
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|
4045 if (nargout > 0) |
57a59eae83cc
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|
4046 retval = tmp; |
57a59eae83cc
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diff
changeset
|
4047 } |
8033
2ad5ba320b93
parse.y (Feval): Return value produced by evaluating CATCH string
John W. Eaton <jwe@octave.org>
parents:
8021
diff
changeset
|
4048 else if (nargout > 0) |
10315
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changeset
|
4049 retval = tmp; |
3021 | 4050 } |
4051 else | |
5823 | 4052 print_usage (); |
3021 | 4053 |
4054 return retval; | |
4055 } | |
4056 | |
7562
c827f5673321
move tests to individual source files
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changeset
|
4057 /* |
c827f5673321
move tests to individual source files
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changeset
|
4058 |
14084
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
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diff
changeset
|
4059 %!shared x |
7562
c827f5673321
move tests to individual source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4060 %! x = 1; |
14084
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
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diff
changeset
|
4061 |
5aba9fa234cf
Modernize %!tests for eval()
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parents:
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diff
changeset
|
4062 %!assert (eval ("x"), 1) |
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
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diff
changeset
|
4063 %!assert (eval ("x;")) |
5aba9fa234cf
Modernize %!tests for eval()
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diff
changeset
|
4064 %!assert (eval ("x;"), 1); |
5aba9fa234cf
Modernize %!tests for eval()
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diff
changeset
|
4065 |
7562
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changeset
|
4066 %!test |
14084
5aba9fa234cf
Modernize %!tests for eval()
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diff
changeset
|
4067 %! y = eval ("x"); |
5aba9fa234cf
Modernize %!tests for eval()
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changeset
|
4068 %! assert (y, 1); |
5aba9fa234cf
Modernize %!tests for eval()
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diff
changeset
|
4069 |
5aba9fa234cf
Modernize %!tests for eval()
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diff
changeset
|
4070 %!test |
5aba9fa234cf
Modernize %!tests for eval()
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changeset
|
4071 %! y = eval ("x;"); |
5aba9fa234cf
Modernize %!tests for eval()
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diff
changeset
|
4072 %! assert (y, 1); |
5aba9fa234cf
Modernize %!tests for eval()
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diff
changeset
|
4073 |
5aba9fa234cf
Modernize %!tests for eval()
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parents:
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diff
changeset
|
4074 %!test |
5aba9fa234cf
Modernize %!tests for eval()
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diff
changeset
|
4075 %! eval ("x = 1;") |
5aba9fa234cf
Modernize %!tests for eval()
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diff
changeset
|
4076 %! assert (x,1); |
5aba9fa234cf
Modernize %!tests for eval()
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diff
changeset
|
4077 |
7562
c827f5673321
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diff
changeset
|
4078 %!test |
c827f5673321
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diff
changeset
|
4079 %! eval ("flipud = 2;"); |
14084
5aba9fa234cf
Modernize %!tests for eval()
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parents:
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diff
changeset
|
4080 %! assert (flipud, 2); |
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
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diff
changeset
|
4081 |
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
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diff
changeset
|
4082 %!function y = __f () |
7562
c827f5673321
move tests to individual source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4083 %! eval ("flipud = 2;"); |
c827f5673321
move tests to individual source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4084 %! y = flipud; |
14084
5aba9fa234cf
Modernize %!tests for eval()
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diff
changeset
|
4085 %!endfunction |
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
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diff
changeset
|
4086 %!assert (__f(), 2) |
7562
c827f5673321
move tests to individual source files
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parents:
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diff
changeset
|
4087 |
14533
e6aa044253eb
Allow comma at the end of an assignment list (bug #35645)
Max Brister <max@2bass.com>
parents:
14512
diff
changeset
|
4088 % bug #35645 |
e6aa044253eb
Allow comma at the end of an assignment list (bug #35645)
Max Brister <max@2bass.com>
parents:
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diff
changeset
|
4089 %!test |
e6aa044253eb
Allow comma at the end of an assignment list (bug #35645)
Max Brister <max@2bass.com>
parents:
14512
diff
changeset
|
4090 %! [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
|
4091 %! [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
|
4092 |
7562
c827f5673321
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
4093 */ |
c827f5673321
move tests to individual source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4094 |
4661 | 4095 DEFUN (assignin, args, , |
4297 | 4096 "-*- texinfo -*-\n\ |
4097 @deftypefn {Built-in Function} {} assignin (@var{context}, @var{varname}, @var{value})\n\ | |
4098 Assign @var{value} to @var{varname} in context @var{context}, which\n\ | |
4099 may be either @code{\"base\"} or @code{\"caller\"}.\n\ | |
14172
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doc: Update seealso references for eval family of functions.
Rik <octave@nomad.inbox5.com>
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diff
changeset
|
4100 @seealso{evalin}\n\ |
4297 | 4101 @end deftypefn") |
4102 { | |
4103 octave_value_list retval; | |
4104 | |
4105 int nargin = args.length (); | |
4106 | |
4107 if (nargin == 3) | |
4108 { | |
4109 std::string context = args(0).string_value (); | |
4110 | |
4111 if (! error_state) | |
4112 { | |
10315
57a59eae83cc
untabify src C++ source files
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changeset
|
4113 unwind_protect frame; |
57a59eae83cc
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changeset
|
4114 |
57a59eae83cc
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|
4115 if (context == "caller") |
57a59eae83cc
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changeset
|
4116 octave_call_stack::goto_caller_frame (); |
57a59eae83cc
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|
4117 else if (context == "base") |
57a59eae83cc
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|
4118 octave_call_stack::goto_base_frame (); |
57a59eae83cc
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changeset
|
4119 else |
12483
7a5aacf65f81
Rewrite error strings in src/ to use variables named in documentation.
Rik <octave@nomad.inbox5.com>
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12400
diff
changeset
|
4120 error ("assignin: CONTEXT must be \"caller\" or \"base\""); |
10315
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|
4121 |
57a59eae83cc
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changeset
|
4122 if (! error_state) |
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changeset
|
4123 { |
57a59eae83cc
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changeset
|
4124 frame.add_fcn (octave_call_stack::pop); |
57a59eae83cc
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|
4125 |
57a59eae83cc
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changeset
|
4126 std::string nm = args(1).string_value (); |
57a59eae83cc
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changeset
|
4127 |
57a59eae83cc
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changeset
|
4128 if (! error_state) |
57a59eae83cc
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changeset
|
4129 { |
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changeset
|
4130 if (valid_identifier (nm)) |
57a59eae83cc
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|
4131 symbol_table::varref (nm) = args(2); |
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|
4132 else |
12483
7a5aacf65f81
Rewrite error strings in src/ to use variables named in documentation.
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diff
changeset
|
4133 error ("assignin: invalid variable name in argument VARNAME"); |
10315
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|
4134 } |
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|
4135 else |
12483
7a5aacf65f81
Rewrite error strings in src/ to use variables named in documentation.
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changeset
|
4136 error ("assignin: VARNAME must be a string"); |
10315
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|
4137 } |
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|
4138 } |
4297 | 4139 else |
12483
7a5aacf65f81
Rewrite error strings in src/ to use variables named in documentation.
Rik <octave@nomad.inbox5.com>
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12400
diff
changeset
|
4140 error ("assignin: CONTEXT must be a string"); |
4297 | 4141 } |
4142 else | |
5823 | 4143 print_usage (); |
4297 | 4144 |
4145 return retval; | |
4146 } | |
4147 | |
4245 | 4148 DEFUN (evalin, args, nargout, |
4149 "-*- texinfo -*-\n\ | |
14172
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doc: Update seealso references for eval family of functions.
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changeset
|
4150 @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>
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diff
changeset
|
4151 @deftypefnx {Built-in Function} {} evalin (@var{context}, @var{try}, @var{catch})\n\ |
4245 | 4152 Like @code{eval}, except that the expressions are evaluated in the\n\ |
4153 context @var{context}, which may be either @code{\"caller\"} or\n\ | |
4246 | 4154 @code{\"base\"}.\n\ |
14172
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Rik <octave@nomad.inbox5.com>
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changeset
|
4155 @seealso{eval, assignin}\n\ |
4245 | 4156 @end deftypefn") |
4157 { | |
4158 octave_value_list retval; | |
4159 | |
4160 int nargin = args.length (); | |
4161 | |
4162 if (nargin > 1) | |
4163 { | |
4164 std::string context = args(0).string_value (); | |
4165 | |
4166 if (! error_state) | |
4167 { | |
10315
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changeset
|
4168 unwind_protect frame; |
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4169 |
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4170 if (context == "caller") |
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4171 octave_call_stack::goto_caller_frame (); |
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4172 else if (context == "base") |
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4173 octave_call_stack::goto_base_frame (); |
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4174 else |
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4175 error ("evalin: CONTEXT must be \"caller\" or \"base\""); |
10315
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4176 |
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4177 if (! error_state) |
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4178 { |
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4179 frame.add_fcn (octave_call_stack::pop); |
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4180 |
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4181 if (nargin > 2) |
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4182 { |
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4183 frame.protect_var (buffer_error_messages); |
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4184 buffer_error_messages++; |
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4185 } |
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4186 |
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4187 int parse_status = 0; |
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4188 |
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4189 octave_value_list tmp = eval_string (args(1), nargout > 0, |
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4190 parse_status, nargout); |
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4191 |
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4192 if (nargout > 0) |
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4193 retval = tmp; |
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4194 |
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4195 if (nargin > 2 && (parse_status != 0 || error_state)) |
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4196 { |
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4197 error_state = 0; |
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4198 |
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4199 // Set up for letting the user print any messages from |
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4200 // errors that occurred in the first part of this eval(). |
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4201 |
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4202 buffer_error_messages--; |
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4203 |
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4204 tmp = eval_string (args(2), nargout > 0, |
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4205 parse_status, nargout); |
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4206 |
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4207 retval = (nargout > 0) ? tmp : octave_value_list (); |
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4208 } |
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4209 } |
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4210 } |
4245 | 4211 else |
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4212 error ("evalin: CONTEXT must be a string"); |
4245 | 4213 } |
4214 else | |
5823 | 4215 print_usage (); |
4245 | 4216 |
4217 return retval; | |
4218 } | |
4219 | |
8311
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4220 DEFUN (__parser_debug_flag__, args, nargout, |
8812
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4221 "-*- texinfo -*-\n\ |
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4222 @deftypefn {Built-in Function} {@var{old_val} =} __parser_debug_flag__ (@var{new_val}))\n\ |
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4223 Undocumented internal function.\n\ |
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4224 @end deftypefn") |
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4225 { |
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4226 octave_value retval; |
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4227 |
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4228 bool debug_flag = octave_debug; |
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4229 |
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4230 retval = set_internal_variable (debug_flag, args, nargout, |
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4231 "__parser_debug_flag__"); |
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4232 |
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4233 octave_debug = debug_flag; |
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4234 |
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4235 return retval; |
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4236 } |