Mercurial > octave
annotate src/oct-parse.yy @ 15037:56b8eb7c9c04 classdef
improvements in parsing classdef
* liboctave/base-list.h (octave_base_list::octave_base_list (void),
octave_base_list::octave_base_list (const std::list<elt_type>&),
octave_base_list::operator = (const octave_base_list&),
octave_base_list::~octave_base_list (void)):
Now public.
* pt-classdef.h, pt-classdef.cc: New files.
* src/Makefile.am (PT_INCLUDES): Add pt-classdef.h to the list.
(PT_SRC): Add pt-classdef.cc to the list.
* pt-all.h: Include pt-classdef.h.
* ov.cc: Include ov-classdef.h.
* ov-classdef.cc: Include pt-classdef.h.
(cdef_class:make_meta_class): New method.
(F__meta_get_class__): Delete.
(F__superclass_reference__, F__meta_class_query__):
New functions.
* pt-id.h: Include oct-lvalue.h.
* pt-walk.h (tree_walker::visit_classdef (tree_classdef&),
tree_walker::visit_classdef_attribute (tree_classdef_attribute&),
tree_walker::visit_classdef_attribute_list (tree_classdef_attribute_list&),
tree_walker::visit_classdef_superclass (tree_classdef_superclass&),
tree_walker::visit_classdef_superclass_list (tree_classdef_superclass_list&),
tree_walker::visit_classdef_property (tree_classdef_property&),
tree_walker::visit_classdef_property_list (tree_classdef_property_list&),
tree_walker::visit_classdef_properties_block (tree_classdef_properties_block&),
tree_walker::visit_classdef_methods_list (tree_classdef_methods_list&),
tree_walker::visit_classdef_methods_block (tree_classdef_methods_block&),
tree_walker::visit_classdef_event (tree_classdef_event&),
tree_walker::visit_classdef_events_list (tree_classdef_events_list&),
tree_walker::visit_classdef_events_block (tree_classdef_events_block&),
tree_walker::visit_classdef_enum (tree_classdef_enum&),
tree_walker::visit_classdef_enum_list (tree_classdef_enum_list&),
tree_walker::visit_classdef_enum_block (tree_classdef_enum_block&),
tree_walker::visit_classdef_body (tree_classdef_body&)):
New virtual functions.
* token.h, token.cc (token::sc::mr, token::sc::cr, token::sc::pr,
token::mc::mr, token::mc::pr): Delete.
(token::sc::method_name, token::sc::package_name, token::sc::class_name,
token::mc::package_name, token::mc::class_name): New member variables.
(token::method_rec, token::class_rec, token::package_rec,
token::meta_class_rec, token::meta_package_rec): Delete.
(token::superclass_method_name, token::superclass_package_name,
token::superclass_class_name, token::meta_package_name,
token::meta_class_name): New methods.
(token::token (symbol_table::symbol_record*, int, int),
token::token (symbol_table::symbol_record*, symbol_table::symbol_record*, int, int),
token::token (symbol_table::symbol_record*, symbol_table::symbol_record*, symbol_table::symbol_record*, int, int)):
Delete.
(token::token (const std::string&, const std::string&, int, int),
token::token (const std::string&, const std::string&, const std::string&, int, int)):
New constructors.
(token::scls_rec_token, token::meta_rec_token): Delete enum values.
(token::scls_name_token, token::meta_rec_token): New enum values.
(token::~token): Delete sc and mc struct memebers.
* lex.ll, lex.h (lexical_feedback::parsing_classdef_get_method,
lexical_feedback::parsing_classdef_set_method)): New data members.
(lexical_feedback::lexical_feedback, lexical_feedback::init):
Initialize new data members.
(prep_lexer_for_classdef_file): New function.
(CLASSDEF_FILE_BEGIN): New exclusive start state.
(handle_superclass_identifier, handle_meta_identifier): Split
identifier here and create token with character strings.
(display_token): Handle CLASSDEF_FILE.
(display_state): Handle CLASSDEF_FILE_BEGIN.
* oct-parse.yy: Include ov-classdef.h and pt-funcall.h.
(classdef_object): New static variable.
(make_superclass_ref, make_meta_class_query, make_classdef,
make_classdef_properties_block, make_classdef_methods_block,
make_classdef_events_block, make_classdef_enum_block)): New functions.
(dummy_type): Delete unused nonterminal type.
(tok_type, tree_funcall_type, tree_function_def_type,
tree_classdef_type, tree_classdef_attribute_type,
tree_classdef_attribute_list_type, tree_classdef_superclass_type,
tree_classdef_superclass_list_type, tree_classdef_body_type,
tree_classdef_property_type, tree_classdef_property_list_type,
tree_classdef_properties_block_type, tree_classdef_methods_list_type,
tree_classdef_methods_block_type, tree_classdef_event_type,
tree_classdef_events_list_type, tree_classdef_events_block_type,
tree_classdef_enum_type, tree_classdef_enum_list_type,
tree_classdef_enum_block_type):
New types for nonterminals.
(CLASSDEF): Declare to have a tok_val token value.
(CLASSDEF_FILE): New token.
(classdef_end, properties_beg, methods_beg, events_beg, enum_beg,
classdef1): Delete nonterminals.
(property_list): Rename from properties_list.
(attr, class_event, class_enum, class_property, property_list,
properties_block, methods_list, methods_block, opt_attr_list,
attr_list, events_list, events_blcok, enum_list, enum_block,
class_body, classdef): Declare with specific types. Create parse tree
objects for these nonterminals.
(classdef_file): New nonterminal.
(parse_fcn_file): Handle classdef files. Don't treat classdef files
as scripts.
(command): Don't handle classdef here.
(input): Accept classdef_file here.
(fcn_name): If GET, set lexer_flags.parsing_classdef_get_method.
If SET, set lexer_flags.parsing_classdef_set_method.
| author | John W. Eaton <jwe@octave.org> |
|---|---|
| date | Fri, 27 Jul 2012 17:10:25 -0400 |
| parents | 460a3c6d8bf1 |
| children |
| rev | line source |
|---|---|
| 1829 | 1 /* |
| 1 | 2 |
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3 Copyright (C) 1993-2012 John W. Eaton |
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4 Copyright (C) 2009 David Grundberg |
| 11523 | 5 Copyright (C) 2009-2010 VZLU Prague |
| 1 | 6 |
| 7 This file is part of Octave. | |
| 8 | |
| 9 Octave is free software; you can redistribute it and/or modify it | |
| 10 under the terms of the GNU General Public License as published by the | |
| 7016 | 11 Free Software Foundation; either version 3 of the License, or (at your |
| 12 option) any later version. | |
| 1 | 13 |
| 14 Octave is distributed in the hope that it will be useful, but WITHOUT | |
| 15 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 16 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 17 for more details. | |
| 18 | |
| 19 You should have received a copy of the GNU General Public License | |
| 7016 | 20 along with Octave; see the file COPYING. If not, see |
| 21 <http://www.gnu.org/licenses/>. | |
| 1 | 22 |
| 23 */ | |
| 24 | |
| 25 // Parser for Octave. | |
| 26 | |
| 767 | 27 // C decarations. |
| 28 | |
| 1 | 29 %{ |
| 30 #define YYDEBUG 1 | |
| 31 | |
| 240 | 32 #ifdef HAVE_CONFIG_H |
| 1229 | 33 #include <config.h> |
| 240 | 34 #endif |
| 35 | |
| 3178 | 36 #include <cassert> |
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37 #include <cstdio> |
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38 #include <cstdlib> |
| 2427 | 39 |
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40 #include <iostream> |
| 5484 | 41 #include <map> |
| 5765 | 42 #include <sstream> |
| 5484 | 43 |
| 3928 | 44 #include "Cell.h" |
| 1 | 45 #include "Matrix.h" |
| 3021 | 46 #include "cmd-edit.h" |
| 47 #include "cmd-hist.h" | |
| 48 #include "file-ops.h" | |
| 49 #include "file-stat.h" | |
| 4243 | 50 #include "oct-env.h" |
| 3712 | 51 #include "oct-time.h" |
| 4171 | 52 #include "quit.h" |
| 1 | 53 |
| 3665 | 54 #include "comment-list.h" |
| 4243 | 55 #include "defaults.h" |
| 2166 | 56 #include "defun.h" |
| 4243 | 57 #include "dirfns.h" |
| 3021 | 58 #include "dynamic-ld.h" |
| 1351 | 59 #include "error.h" |
| 60 #include "input.h" | |
| 61 #include "lex.h" | |
| 5832 | 62 #include "load-path.h" |
| 1743 | 63 #include "oct-hist.h" |
| 5626 | 64 #include "oct-map.h" |
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65 #include "ov-classdef.h" |
| 4935 | 66 #include "ov-fcn-handle.h" |
| 2970 | 67 #include "ov-usr-fcn.h" |
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68 #include "ov-null-mat.h" |
| 1670 | 69 #include "toplev.h" |
| 1351 | 70 #include "pager.h" |
| 71 #include "parse.h" | |
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72 #include "parse-private.h" |
| 2987 | 73 #include "pt-all.h" |
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74 #include "pt-eval.h" |
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75 #include "pt-funcall.h" |
| 1351 | 76 #include "symtab.h" |
| 77 #include "token.h" | |
| 3021 | 78 #include "unwind-prot.h" |
| 1 | 79 #include "utils.h" |
| 1351 | 80 #include "variables.h" |
| 1 | 81 |
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82 #if defined (GNULIB_NAMESPACE) |
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83 // Calls to the following functions appear in the generated output from |
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84 // Bison without the namespace tag. Redefine them so we will use them |
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85 // via the gnulib namespace. |
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86 #define fclose GNULIB_NAMESPACE::fclose |
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87 #define fprintf GNULIB_NAMESPACE::fprintf |
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88 #define malloc GNULIB_NAMESPACE::malloc |
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89 #endif |
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90 |
| 1 | 91 // The current input line number. |
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92 int input_line_number = 1; |
| 1 | 93 |
| 94 // The column of the current token. | |
| 143 | 95 int current_input_column = 1; |
| 1 | 96 |
| 338 | 97 // Buffer for help text snagged from function files. |
| 4426 | 98 std::stack<std::string> help_buf; |
| 1 | 99 |
| 3665 | 100 // Buffer for comments appearing before a function statement. |
| 101 static std::string fcn_comment_header; | |
| 102 | |
| 3021 | 103 // TRUE means we are using readline. |
| 104 // (--no-line-editing) | |
| 105 bool line_editing = true; | |
| 106 | |
| 107 // TRUE means we printed messages about reading startup files. | |
| 108 bool reading_startup_message_printed = false; | |
| 109 | |
| 110 // TRUE means input is coming from startup file. | |
| 111 bool input_from_startup_file = false; | |
| 112 | |
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113 // = 0 currently outside any function. |
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114 // = 1 inside the primary function or a subfunction. |
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115 // > 1 means we are looking at a function definition that seems to be |
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116 // inside a function. Note that the function still might not be a |
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117 // nested function. |
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118 static int current_function_depth = 0; |
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119 |
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120 // A stack holding the nested function scopes being parsed. |
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121 // We don't use std::stack, because we want the clear method. Also, we |
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122 // must access one from the top |
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123 static std::vector<symbol_table::scope_id> function_scopes; |
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124 |
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125 // Maximum function depth detected. Just here to determine whether |
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126 // we have nested functions or just implicitly ended subfunctions. |
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127 static int max_function_depth = 0; |
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128 |
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129 // FALSE if we are still at the primary function. Subfunctions can |
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130 // only be declared inside function files. |
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131 static int parsing_subfunctions = false; |
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132 |
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133 // Have we found an explicit end to a function? |
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134 static bool endfunction_found = false; |
| 4238 | 135 |
| 3903 | 136 // Keep track of symbol table information when parsing functions. |
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137 symtab_context parser_symtab_context; |
| 4238 | 138 |
| 7336 | 139 // Name of the current class when we are parsing class methods or |
| 140 // constructors. | |
| 141 std::string current_class_name; | |
| 142 | |
| 5484 | 143 // TRUE means we are in the process of autoloading a function. |
| 144 static bool autoloading = false; | |
| 145 | |
| 6323 | 146 // TRUE means the current function file was found in a relative path |
| 147 // element. | |
| 148 static bool fcn_file_from_relative_lookup = false; | |
| 149 | |
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150 // Pointer to the primary user function or user script function. |
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151 static octave_function *primary_fcn_ptr = 0; |
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152 |
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153 // Scope where we install all subfunctions and nested functions. Only |
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154 // used while reading function files. |
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155 static symbol_table::scope_id primary_fcn_scope; |
| 7336 | 156 |
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157 // Pointer to the classdef object we just parsed, if any. |
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158 static tree_classdef *classdef_object = 0; |
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159 |
| 5484 | 160 // List of autoloads (function -> file mapping). |
| 161 static std::map<std::string, std::string> autoload_map; | |
| 162 | |
| 496 | 163 // Forward declarations for some functions defined at the bottom of |
| 164 // the file. | |
| 165 | |
| 166 // Generic error messages. | |
| 2970 | 167 static void |
| 168 yyerror (const char *s); | |
| 1 | 169 |
| 578 | 170 // Error mesages for mismatched end tokens. |
| 2970 | 171 static void |
| 172 end_error (const char *type, token::end_tok_type ettype, int l, int c); | |
| 1 | 173 |
| 578 | 174 // Check to see that end tokens are properly matched. |
| 2970 | 175 static bool |
| 176 end_token_ok (token *tok, token::end_tok_type expected); | |
| 496 | 177 |
| 178 // Maybe print a warning if an assignment expression is used as the | |
| 179 // test in a logical expression. | |
| 2970 | 180 static void |
| 181 maybe_warn_assign_as_truth_value (tree_expression *expr); | |
| 1 | 182 |
| 2764 | 183 // Maybe print a warning about switch labels that aren't constants. |
| 2970 | 184 static void |
| 185 maybe_warn_variable_switch_label (tree_expression *expr); | |
| 2764 | 186 |
| 1623 | 187 // Finish building a range. |
| 2970 | 188 static tree_expression * |
| 189 finish_colon_expression (tree_colon_expression *e); | |
| 1623 | 190 |
| 1607 | 191 // Build a constant. |
| 2970 | 192 static tree_constant * |
| 193 make_constant (int op, token *tok_val); | |
| 1607 | 194 |
| 4342 | 195 // Build a function handle. |
| 196 static tree_fcn_handle * | |
| 197 make_fcn_handle (token *tok_val); | |
| 198 | |
| 4935 | 199 // Build an anonymous function handle. |
| 5861 | 200 static tree_anon_fcn_handle * |
| 4935 | 201 make_anon_fcn_handle (tree_parameter_list *param_list, tree_statement *stmt); |
| 202 | |
| 578 | 203 // Build a binary expression. |
| 2970 | 204 static tree_expression * |
| 205 make_binary_op (int op, tree_expression *op1, token *tok_val, | |
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206 tree_expression *op2); |
| 578 | 207 |
| 2375 | 208 // Build a boolean expression. |
| 2970 | 209 static tree_expression * |
| 210 make_boolean_op (int op, tree_expression *op1, token *tok_val, | |
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211 tree_expression *op2); |
| 2375 | 212 |
| 578 | 213 // Build a prefix expression. |
| 2970 | 214 static tree_expression * |
| 215 make_prefix_op (int op, tree_expression *op1, token *tok_val); | |
| 578 | 216 |
| 217 // Build a postfix expression. | |
| 2970 | 218 static tree_expression * |
| 219 make_postfix_op (int op, tree_expression *op1, token *tok_val); | |
| 578 | 220 |
| 1623 | 221 // Build an unwind-protect command. |
| 2970 | 222 static tree_command * |
| 223 make_unwind_command (token *unwind_tok, tree_statement_list *body, | |
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224 tree_statement_list *cleanup, token *end_tok, |
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225 octave_comment_list *lc, octave_comment_list *mc); |
| 1623 | 226 |
| 227 // Build a try-catch command. | |
| 2970 | 228 static tree_command * |
| 229 make_try_command (token *try_tok, tree_statement_list *body, | |
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230 tree_statement_list *cleanup, token *end_tok, |
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231 octave_comment_list *lc, octave_comment_list *mc); |
| 1623 | 232 |
| 233 // Build a while command. | |
| 2970 | 234 static tree_command * |
| 235 make_while_command (token *while_tok, tree_expression *expr, | |
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236 tree_statement_list *body, token *end_tok, |
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237 octave_comment_list *lc); |
| 1623 | 238 |
| 3484 | 239 // Build a do-until command. |
| 240 static tree_command * | |
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241 make_do_until_command (token *until_tok, tree_statement_list *body, |
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242 tree_expression *expr, octave_comment_list *lc); |
| 3484 | 243 |
| 1623 | 244 // Build a for command. |
| 2970 | 245 static tree_command * |
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246 make_for_command (int tok_id, token *for_tok, tree_argument_list *lhs, |
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247 tree_expression *expr, tree_expression *maxproc, |
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248 tree_statement_list *body, token *end_tok, |
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249 octave_comment_list *lc); |
| 1623 | 250 |
| 4207 | 251 // Build a break command. |
| 252 static tree_command * | |
| 253 make_break_command (token *break_tok); | |
| 254 | |
| 255 // Build a continue command. | |
| 256 static tree_command * | |
| 257 make_continue_command (token *continue_tok); | |
| 258 | |
| 259 // Build a return command. | |
| 260 static tree_command * | |
| 261 make_return_command (token *return_tok); | |
| 1623 | 262 |
| 263 // Start an if command. | |
| 2970 | 264 static tree_if_command_list * |
| 265 start_if_command (tree_expression *expr, tree_statement_list *list); | |
| 1623 | 266 |
| 267 // Finish an if command. | |
| 2970 | 268 static tree_if_command * |
| 3665 | 269 finish_if_command (token *if_tok, tree_if_command_list *list, |
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270 token *end_tok, octave_comment_list *lc); |
| 1623 | 271 |
| 272 // Build an elseif clause. | |
| 2970 | 273 static tree_if_clause * |
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274 make_elseif_clause (token *elseif_tok, tree_expression *expr, |
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275 tree_statement_list *list, octave_comment_list *lc); |
| 1623 | 276 |
| 2764 | 277 // Finish a switch command. |
| 2970 | 278 static tree_switch_command * |
| 279 finish_switch_command (token *switch_tok, tree_expression *expr, | |
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280 tree_switch_case_list *list, token *end_tok, |
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281 octave_comment_list *lc); |
| 2764 | 282 |
| 283 // Build a switch case. | |
| 2970 | 284 static tree_switch_case * |
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285 make_switch_case (token *case_tok, tree_expression *expr, |
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286 tree_statement_list *list, octave_comment_list *lc); |
| 2764 | 287 |
| 1623 | 288 // Build an assignment to a variable. |
| 2970 | 289 static tree_expression * |
| 290 make_assign_op (int op, tree_argument_list *lhs, token *eq_tok, | |
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291 tree_expression *rhs); |
| 1623 | 292 |
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293 // Define a script. |
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294 static void |
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295 make_script (tree_statement_list *cmds, tree_statement *end_script); |
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296 |
| 1623 | 297 // Begin defining a function. |
| 2970 | 298 static octave_user_function * |
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299 start_function (tree_parameter_list *param_list, tree_statement_list *body, |
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300 tree_statement *end_function); |
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301 |
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302 // Create a no-op statement for end_function. |
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303 static tree_statement * |
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304 make_end (const std::string& type, int l, int c); |
| 1623 | 305 |
| 306 // Do most of the work for defining a function. | |
| 2970 | 307 static octave_user_function * |
| 4872 | 308 frob_function (const std::string& fname, octave_user_function *fcn); |
| 1623 | 309 |
| 310 // Finish defining a function. | |
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311 static tree_function_def * |
| 3665 | 312 finish_function (tree_parameter_list *ret_list, |
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313 octave_user_function *fcn, octave_comment_list *lc); |
| 751 | 314 |
| 2883 | 315 // Reset state after parsing function. |
| 2970 | 316 static void |
| 317 recover_from_parsing_function (void); | |
| 2883 | 318 |
| 751 | 319 // Make an index expression. |
| 2970 | 320 static tree_index_expression * |
| 3933 | 321 make_index_expression (tree_expression *expr, |
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322 tree_argument_list *args, char type); |
| 2970 | 323 |
| 324 // Make an indirect reference expression. | |
| 3930 | 325 static tree_index_expression * |
| 3523 | 326 make_indirect_ref (tree_expression *expr, const std::string&); |
| 666 | 327 |
| 4131 | 328 // Make an indirect reference expression with dynamic field name. |
| 329 static tree_index_expression * | |
| 330 make_indirect_ref (tree_expression *expr, tree_expression *field); | |
| 331 | |
| 2846 | 332 // Make a declaration command. |
| 2970 | 333 static tree_decl_command * |
| 334 make_decl_command (int tok, token *tok_val, tree_decl_init_list *lst); | |
| 2846 | 335 |
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336 // Validate argument list forming a matrix or cell row. |
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337 static tree_argument_list * |
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338 validate_matrix_row (tree_argument_list *row); |
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339 |
| 1623 | 340 // Finish building a matrix list. |
| 2970 | 341 static tree_expression * |
| 342 finish_matrix (tree_matrix *m); | |
| 1623 | 343 |
| 3351 | 344 // Finish building a cell list. |
| 345 static tree_expression * | |
| 346 finish_cell (tree_cell *c); | |
| 347 | |
| 1511 | 348 // Maybe print a warning. Duh. |
| 2970 | 349 static void |
| 350 maybe_warn_missing_semi (tree_statement_list *); | |
| 1511 | 351 |
| 2525 | 352 // Set the print flag for a statement based on the separator type. |
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353 static tree_statement_list * |
| 2970 | 354 set_stmt_print_flag (tree_statement_list *, char, bool); |
| 2525 | 355 |
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356 // Create a statement list. |
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357 static tree_statement_list *make_statement_list (tree_statement *stmt); |
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358 |
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359 // Append a statement to an existing statement list. |
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360 static tree_statement_list * |
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361 append_statement_list (tree_statement_list *list, char sep, |
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362 tree_statement *stmt, bool warn_missing_semi); |
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363 |
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364 static tree_funcall * |
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365 make_superclass_ref (const std::string& method_nm, |
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366 const std::string& package_nm, |
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367 const std::string& class_nm, |
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368 int l, int c); |
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369 |
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370 static tree_funcall * |
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371 make_meta_class_query (const std::string& package_nm, |
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372 const std::string& class_nm, |
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373 int l, int c); |
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374 |
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375 static tree_classdef * |
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376 make_classdef (token *tok_val, tree_classdef_attribute_list *a, |
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377 tree_identifier *id, tree_classdef_superclass_list *sc, |
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378 tree_classdef_body *body, token *end_tok, |
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379 octave_comment_list *lc); |
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380 |
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381 static tree_classdef_properties_block * |
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382 make_classdef_properties_block (token *tok_val, |
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383 tree_classdef_attribute_list *a, |
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384 tree_classdef_property_list *plist, |
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385 token *end_tok, octave_comment_list *lc); |
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386 |
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387 static tree_classdef_methods_block * |
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388 make_classdef_methods_block (token *tok_val, |
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389 tree_classdef_attribute_list *a, |
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390 tree_classdef_methods_list *mlist, |
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391 token *end_tok, octave_comment_list *lc); |
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392 |
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393 static tree_classdef_events_block * |
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394 make_classdef_events_block (token *tok_val, |
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395 tree_classdef_attribute_list *a, |
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396 tree_classdef_events_list *elist, |
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397 token *end_tok, octave_comment_list *lc); |
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398 |
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399 static tree_classdef_enum_block * |
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400 make_classdef_enum_block (token *tok_val, |
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401 tree_classdef_attribute_list *a, |
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402 tree_classdef_enum_list *elist, |
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403 token *end_tok, octave_comment_list *lc); |
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404 |
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405 // Finish building a statement. |
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406 template <class T> |
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407 static tree_statement * |
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408 make_statement (T *arg) |
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409 { |
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410 octave_comment_list *comment = octave_comment_buffer::get_comment (); |
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411 |
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412 return new tree_statement (arg, comment); |
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413 } |
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414 |
| 1 | 415 #define ABORT_PARSE \ |
| 416 do \ | |
| 417 { \ | |
| 522 | 418 global_command = 0; \ |
| 1 | 419 yyerrok; \ |
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420 if (! parser_symtab_context.empty ()) \ |
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421 parser_symtab_context.pop (); \ |
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422 if ((interactive || forced_interactive) \ |
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423 && ! get_input_from_eval_string) \ |
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424 YYACCEPT; \ |
| 1 | 425 else \ |
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426 YYABORT; \ |
| 1 | 427 } \ |
| 428 while (0) | |
| 429 | |
| 430 %} | |
| 431 | |
| 666 | 432 // Bison declarations. |
| 433 | |
| 4813 | 434 // Don't add spaces around the = here; it causes some versions of |
| 435 // bison to fail to properly recognize the directive. | |
| 436 | |
| 437 %name-prefix="octave_" | |
| 4753 | 438 |
| 1 | 439 %union |
| 440 { | |
| 2891 | 441 // The type of the basic tokens returned by the lexer. |
| 143 | 442 token *tok_val; |
| 443 | |
| 3665 | 444 // Comment strings that we need to deal with mid-rule. |
| 445 octave_comment_list *comment_type; | |
| 446 | |
| 2891 | 447 // Types for the nonterminals we generate. |
| 2525 | 448 char sep_type; |
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449 token *tok_type; |
| 1 | 450 tree *tree_type; |
| 1829 | 451 tree_matrix *tree_matrix_type; |
| 3351 | 452 tree_cell *tree_cell_type; |
| 496 | 453 tree_expression *tree_expression_type; |
| 2375 | 454 tree_constant *tree_constant_type; |
| 4342 | 455 tree_fcn_handle *tree_fcn_handle_type; |
|
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456 tree_funcall *tree_funcall_type; |
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457 tree_function_def *tree_function_def_type; |
| 5861 | 458 tree_anon_fcn_handle *tree_anon_fcn_handle_type; |
| 1 | 459 tree_identifier *tree_identifier_type; |
| 460 tree_index_expression *tree_index_expression_type; | |
| 461 tree_colon_expression *tree_colon_expression_type; | |
| 462 tree_argument_list *tree_argument_list_type; | |
| 463 tree_parameter_list *tree_parameter_list_type; | |
| 464 tree_command *tree_command_type; | |
| 465 tree_if_command *tree_if_command_type; | |
| 578 | 466 tree_if_clause *tree_if_clause_type; |
| 467 tree_if_command_list *tree_if_command_list_type; | |
| 2764 | 468 tree_switch_command *tree_switch_command_type; |
| 469 tree_switch_case *tree_switch_case_type; | |
| 470 tree_switch_case_list *tree_switch_case_list_type; | |
| 2846 | 471 tree_decl_elt *tree_decl_elt_type; |
| 472 tree_decl_init_list *tree_decl_init_list_type; | |
| 473 tree_decl_command *tree_decl_command_type; | |
| 578 | 474 tree_statement *tree_statement_type; |
| 475 tree_statement_list *tree_statement_list_type; | |
| 2891 | 476 octave_user_function *octave_user_function_type; |
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477 |
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478 tree_classdef *tree_classdef_type; |
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479 tree_classdef_attribute* tree_classdef_attribute_type; |
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480 tree_classdef_attribute_list* tree_classdef_attribute_list_type; |
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481 tree_classdef_superclass* tree_classdef_superclass_type; |
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482 tree_classdef_superclass_list* tree_classdef_superclass_list_type; |
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483 tree_classdef_body* tree_classdef_body_type; |
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484 tree_classdef_property* tree_classdef_property_type; |
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485 tree_classdef_property_list* tree_classdef_property_list_type; |
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486 tree_classdef_properties_block* tree_classdef_properties_block_type; |
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487 tree_classdef_methods_list* tree_classdef_methods_list_type; |
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488 tree_classdef_methods_block* tree_classdef_methods_block_type; |
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489 tree_classdef_event* tree_classdef_event_type; |
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490 tree_classdef_events_list* tree_classdef_events_list_type; |
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491 tree_classdef_events_block* tree_classdef_events_block_type; |
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492 tree_classdef_enum* tree_classdef_enum_type; |
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493 tree_classdef_enum_list* tree_classdef_enum_list_type; |
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494 tree_classdef_enum_block* tree_classdef_enum_block_type; |
| 1 | 495 } |
| 496 | |
| 143 | 497 // Tokens with line and column information. |
| 498 %token <tok_val> '=' ':' '-' '+' '*' '/' | |
| 4018 | 499 %token <tok_val> ADD_EQ SUB_EQ MUL_EQ DIV_EQ LEFTDIV_EQ POW_EQ |
| 500 %token <tok_val> EMUL_EQ EDIV_EQ ELEFTDIV_EQ EPOW_EQ AND_EQ OR_EQ | |
| 2899 | 501 %token <tok_val> LSHIFT_EQ RSHIFT_EQ LSHIFT RSHIFT |
| 428 | 502 %token <tok_val> EXPR_AND_AND EXPR_OR_OR |
| 143 | 503 %token <tok_val> EXPR_AND EXPR_OR EXPR_NOT |
| 504 %token <tok_val> EXPR_LT EXPR_LE EXPR_EQ EXPR_NE EXPR_GE EXPR_GT | |
| 1276 | 505 %token <tok_val> LEFTDIV EMUL EDIV ELEFTDIV EPLUS EMINUS |
| 506 %token <tok_val> QUOTE TRANSPOSE | |
| 143 | 507 %token <tok_val> PLUS_PLUS MINUS_MINUS POW EPOW |
| 508 %token <tok_val> NUM IMAG_NUM | |
| 2970 | 509 %token <tok_val> STRUCT_ELT |
| 2883 | 510 %token <tok_val> NAME |
| 143 | 511 %token <tok_val> END |
| 5279 | 512 %token <tok_val> DQ_STRING SQ_STRING |
|
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513 %token <tok_val> FOR PARFOR WHILE DO UNTIL |
| 1491 | 514 %token <tok_val> IF ELSEIF ELSE |
| 2764 | 515 %token <tok_val> SWITCH CASE OTHERWISE |
| 1491 | 516 %token <tok_val> BREAK CONTINUE FUNC_RET |
| 924 | 517 %token <tok_val> UNWIND CLEANUP |
| 1489 | 518 %token <tok_val> TRY CATCH |
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519 %token <tok_val> GLOBAL PERSISTENT |
| 4342 | 520 %token <tok_val> FCN_HANDLE |
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521 %token <tok_val> CLASSDEF |
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522 %token <tok_val> PROPERTIES METHODS EVENTS ENUMERATION |
| 9476 | 523 %token <tok_val> METAQUERY |
| 524 %token <tok_val> SUPERCLASSREF | |
| 525 %token <tok_val> GET SET | |
| 1 | 526 |
| 143 | 527 // Other tokens. |
| 2970 | 528 %token END_OF_INPUT LEXICAL_ERROR |
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529 %token FCN SCRIPT_FILE CLASSDEF_FILE FUNCTION_FILE |
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530 // %token VARARGIN VARARGOUT |
| 5296 | 531 %token CLOSE_BRACE |
| 1 | 532 |
| 143 | 533 // Nonterminals we construct. |
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534 %type <comment_type> stash_comment function_beg |
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535 %type <tok_type> classdef_beg |
|
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536 %type <sep_type> sep_no_nl opt_sep_no_nl sep opt_sep opt_comma |
| 578 | 537 %type <tree_type> input |
| 5861 | 538 %type <tree_constant_type> string constant magic_colon |
| 539 %type <tree_anon_fcn_handle_type> anon_fcn_handle | |
| 4342 | 540 %type <tree_fcn_handle_type> fcn_handle |
| 3351 | 541 %type <tree_matrix_type> matrix_rows matrix_rows1 |
| 542 %type <tree_cell_type> cell_rows cell_rows1 | |
| 5102 | 543 %type <tree_expression_type> matrix cell |
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544 %type <tree_expression_type> primary_expr oper_expr |
| 4207 | 545 %type <tree_expression_type> simple_expr colon_expr assign_expr expression |
|
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546 %type <tree_identifier_type> identifier fcn_name magic_tilde |
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547 %type <tree_funcall_type> superclass_identifier meta_identifier |
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548 %type <octave_user_function_type> function1 function2 |
| 2970 | 549 %type <tree_index_expression_type> word_list_cmd |
| 550 %type <tree_colon_expression_type> colon_expr1 | |
| 3351 | 551 %type <tree_argument_list_type> arg_list word_list assign_lhs |
| 552 %type <tree_argument_list_type> cell_or_matrix_row | |
| 4935 | 553 %type <tree_parameter_list_type> param_list param_list1 param_list2 |
| 723 | 554 %type <tree_parameter_list_type> return_list return_list1 |
| 2970 | 555 %type <tree_command_type> command select_command loop_command |
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556 %type <tree_command_type> jump_command except_command |
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557 %type <tree_function_def_type> function |
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558 %type <tree_classdef_type> classdef |
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559 %type <tree_command_type> script_file classdef_file |
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560 %type <tree_command_type> function_file function_list |
| 578 | 561 %type <tree_if_command_type> if_command |
| 562 %type <tree_if_clause_type> elseif_clause else_clause | |
| 563 %type <tree_if_command_list_type> if_cmd_list1 if_cmd_list | |
| 2764 | 564 %type <tree_switch_command_type> switch_command |
| 565 %type <tree_switch_case_type> switch_case default_case | |
| 566 %type <tree_switch_case_list_type> case_list1 case_list | |
| 2846 | 567 %type <tree_decl_elt_type> decl2 |
| 568 %type <tree_decl_init_list_type> decl1 | |
| 569 %type <tree_decl_command_type> declaration | |
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570 %type <tree_statement_type> statement function_end |
| 627 | 571 %type <tree_statement_list_type> simple_list simple_list1 list list1 |
| 7336 | 572 %type <tree_statement_list_type> opt_list input1 |
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573 |
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574 %type <tree_classdef_attribute_type> attr |
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575 %type <tree_classdef_attribute_list_type> attr_list opt_attr_list |
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576 %type <tree_classdef_superclass_type> superclass |
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577 %type <tree_classdef_superclass_list_type> superclass_list opt_superclass_list |
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578 %type <tree_classdef_body_type> class_body |
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579 %type <tree_classdef_property_type> class_property |
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580 %type <tree_classdef_property_list_type> property_list |
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581 %type <tree_classdef_properties_block_type> properties_block |
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582 %type <tree_classdef_methods_list_type> methods_list |
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583 %type <tree_classdef_methods_block_type> methods_block |
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584 %type <tree_classdef_event_type> class_event |
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585 %type <tree_classdef_events_list_type> events_list |
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586 %type <tree_classdef_events_block_type> events_block |
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587 %type <tree_classdef_enum_type> class_enum |
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588 %type <tree_classdef_enum_list_type> enum_list |
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589 %type <tree_classdef_enum_block_type> enum_block |
| 1 | 590 |
| 143 | 591 // Precedence and associativity. |
| 4018 | 592 %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 | 593 %left EXPR_OR_OR |
| 594 %left EXPR_AND_AND | |
| 595 %left EXPR_OR | |
| 596 %left EXPR_AND | |
| 1 | 597 %left EXPR_LT EXPR_LE EXPR_EQ EXPR_NE EXPR_GE EXPR_GT |
| 2899 | 598 %left LSHIFT RSHIFT |
| 1 | 599 %left ':' |
| 1276 | 600 %left '-' '+' EPLUS EMINUS |
| 1 | 601 %left '*' '/' LEFTDIV EMUL EDIV ELEFTDIV |
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602 %right UNARY EXPR_NOT |
| 5667 | 603 %left POW EPOW QUOTE TRANSPOSE |
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604 %right PLUS_PLUS MINUS_MINUS |
| 3351 | 605 %left '(' '.' '{' |
| 1 | 606 |
| 143 | 607 // Where to start. |
| 1 | 608 %start input |
| 609 | |
| 610 %% | |
| 611 | |
| 2970 | 612 // ============================== |
| 613 // Statements and statement lists | |
| 614 // ============================== | |
| 615 | |
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616 input : input1 |
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617 { |
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618 global_command = $1; |
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619 promptflag = 1; |
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620 YYACCEPT; |
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621 } |
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622 | function_file |
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623 { YYACCEPT; } |
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624 | classdef_file |
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625 { YYACCEPT; } |
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626 | simple_list parse_error |
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627 { ABORT_PARSE; } |
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628 | parse_error |
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629 { ABORT_PARSE; } |
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630 ; |
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631 |
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632 input1 : '\n' |
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633 { $$ = 0; } |
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634 | END_OF_INPUT |
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635 { |
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636 parser_end_of_input = 1; |
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637 $$ = 0; |
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638 } |
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639 | simple_list |
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640 { $$ = $1; } |
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641 | simple_list '\n' |
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642 { $$ = $1; } |
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643 | simple_list END_OF_INPUT |
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644 { $$ = $1; } |
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645 ; |
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646 |
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647 simple_list : simple_list1 opt_sep_no_nl |
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648 { $$ = set_stmt_print_flag ($1, $2, false); } |
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649 ; |
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650 |
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651 simple_list1 : statement |
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652 { $$ = make_statement_list ($1); } |
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653 | simple_list1 sep_no_nl statement |
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654 { $$ = append_statement_list ($1, $2, $3, false); } |
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655 ; |
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656 |
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657 opt_list : // empty |
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658 { $$ = new tree_statement_list (); } |
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659 | list |
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660 { $$ = $1; } |
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661 ; |
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662 |
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663 list : list1 opt_sep |
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664 { $$ = set_stmt_print_flag ($1, $2, true); } |
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665 ; |
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666 |
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667 list1 : statement |
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668 { $$ = make_statement_list ($1); } |
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669 | list1 sep statement |
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670 { $$ = append_statement_list ($1, $2, $3, true); } |
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671 ; |
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672 |
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673 statement : expression |
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674 { $$ = make_statement ($1); } |
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675 | command |
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676 { $$ = make_statement ($1); } |
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677 | word_list_cmd |
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678 { $$ = make_statement ($1); } |
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679 ; |
|
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680 |
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681 // ================= |
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682 // Word-list command |
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683 // ================= |
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684 |
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685 // These are not really like expressions since they can't appear on |
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686 // the RHS of an assignment. But they are also not like commands (IF, |
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687 // WHILE, etc. |
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688 |
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689 word_list_cmd : identifier word_list |
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690 { $$ = make_index_expression ($1, $2, '('); } |
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691 ; |
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692 |
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693 word_list : string |
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694 { $$ = new tree_argument_list ($1); } |
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695 | word_list string |
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696 { |
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697 $1->append ($2); |
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698 $$ = $1; |
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699 } |
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700 ; |
| 1 | 701 |
| 2970 | 702 // =========== |
| 703 // Expressions | |
| 704 // =========== | |
| 705 | |
|
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706 identifier : NAME |
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707 { |
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708 symbol_table::symbol_record *sr = $1->sym_rec (); |
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709 $$ = new tree_identifier (*sr, $1->line (), $1->column ()); |
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710 } |
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711 ; |
| 2970 | 712 |
| 9476 | 713 superclass_identifier |
|
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714 : SUPERCLASSREF |
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715 { |
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716 std::string method_nm = $1->superclass_method_name (); |
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717 std::string package_nm = $1->superclass_package_name (); |
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718 std::string class_nm = $1->superclass_class_name (); |
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719 |
|
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720 $$ = make_superclass_ref (method_nm, package_nm, class_nm, |
|
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721 $1->line (), $1->column ()); |
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722 } |
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723 ; |
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724 |
|
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725 meta_identifier : METAQUERY |
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726 { |
|
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|
727 std::string package_nm = $1->meta_package_name (); |
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728 std::string class_nm = $1->meta_class_name (); |
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729 |
|
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|
730 $$ = make_meta_class_query (package_nm, class_nm, |
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|
731 $1->line (), $1->column ()); |
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732 } |
|
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733 ; |
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734 |
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735 string : DQ_STRING |
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736 { $$ = make_constant (DQ_STRING, $1); } |
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737 | SQ_STRING |
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738 { $$ = make_constant (SQ_STRING, $1); } |
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739 ; |
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740 |
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741 constant : NUM |
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742 { $$ = make_constant (NUM, $1); } |
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743 | IMAG_NUM |
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744 { $$ = make_constant (IMAG_NUM, $1); } |
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745 | string |
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746 { $$ = $1; } |
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747 ; |
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748 |
|
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749 matrix : '[' ']' |
|
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750 { |
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751 $$ = new tree_constant (octave_null_matrix::instance); |
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752 lexer_flags.looking_at_matrix_or_assign_lhs = false; |
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753 lexer_flags.pending_local_variables.clear (); |
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754 } |
|
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755 | '[' ';' ']' |
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756 { |
|
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757 $$ = new tree_constant (octave_null_matrix::instance); |
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758 lexer_flags.looking_at_matrix_or_assign_lhs = false; |
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759 lexer_flags.pending_local_variables.clear (); |
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760 } |
|
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761 | '[' ',' ']' |
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762 { |
|
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763 $$ = new tree_constant (octave_null_matrix::instance); |
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764 lexer_flags.looking_at_matrix_or_assign_lhs = false; |
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765 lexer_flags.pending_local_variables.clear (); |
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766 } |
|
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767 | '[' matrix_rows ']' |
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768 { |
|
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769 $$ = finish_matrix ($2); |
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770 lexer_flags.looking_at_matrix_or_assign_lhs = false; |
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771 lexer_flags.pending_local_variables.clear (); |
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772 } |
|
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773 ; |
|
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774 |
|
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775 matrix_rows : matrix_rows1 |
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776 { $$ = $1; } |
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777 | matrix_rows1 ';' // Ignore trailing semicolon. |
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778 { $$ = $1; } |
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779 ; |
|
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|
780 |
|
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781 matrix_rows1 : cell_or_matrix_row |
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782 { $$ = new tree_matrix ($1); } |
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783 | matrix_rows1 ';' cell_or_matrix_row |
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784 { |
|
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785 $1->append ($3); |
|
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786 $$ = $1; |
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|
787 } |
|
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788 ; |
|
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|
789 |
|
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790 cell : '{' '}' |
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791 { $$ = new tree_constant (octave_value (Cell ())); } |
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792 | '{' ';' '}' |
|
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793 { $$ = new tree_constant (octave_value (Cell ())); } |
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794 | '{' cell_rows '}' |
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795 { $$ = finish_cell ($2); } |
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796 ; |
|
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797 |
|
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798 cell_rows : cell_rows1 |
|
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799 { $$ = $1; } |
|
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800 | cell_rows1 ';' // Ignore trailing semicolon. |
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801 { $$ = $1; } |
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802 ; |
|
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|
803 |
|
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804 cell_rows1 : cell_or_matrix_row |
|
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805 { $$ = new tree_cell ($1); } |
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806 | cell_rows1 ';' cell_or_matrix_row |
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|
807 { |
|
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808 $1->append ($3); |
|
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809 $$ = $1; |
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|
810 } |
|
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811 ; |
| 3351 | 812 |
| 813 cell_or_matrix_row | |
|
10315
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814 : arg_list |
|
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815 { $$ = validate_matrix_row ($1); } |
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816 | arg_list ',' // Ignore trailing comma. |
|
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817 { $$ = validate_matrix_row ($1); } |
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818 ; |
|
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|
819 |
|
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820 fcn_handle : '@' FCN_HANDLE |
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821 { |
|
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822 $$ = make_fcn_handle ($2); |
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823 lexer_flags.looking_at_function_handle--; |
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824 } |
|
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|
825 ; |
|
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|
826 |
|
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827 anon_fcn_handle : '@' param_list statement |
|
13237
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|
828 { |
|
1bfca2bbea8b
fix parsing of anonymous functions inside cell array lists.
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|
829 lexer_flags.quote_is_transpose = false; |
|
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830 $$ = make_anon_fcn_handle ($2, $3); |
|
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|
831 } |
|
10315
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832 ; |
|
11586
12df7854fa7c
strip trailing whitespace from source files
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diff
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|
833 |
|
10315
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834 primary_expr : identifier |
|
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835 { $$ = $1; } |
|
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836 | constant |
|
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837 { $$ = $1; } |
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838 | fcn_handle |
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839 { $$ = $1; } |
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840 | matrix |
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841 { $$ = $1; } |
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842 | cell |
|
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843 { $$ = $1; } |
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844 | meta_identifier |
|
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845 { $$ = $1; } |
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846 | superclass_identifier |
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847 { $$ = $1; } |
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848 | '(' expression ')' |
|
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849 { $$ = $2->mark_in_parens (); } |
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850 ; |
|
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851 |
|
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852 magic_colon : ':' |
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853 { |
|
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854 octave_value tmp (octave_value::magic_colon_t); |
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855 $$ = new tree_constant (tmp); |
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856 } |
|
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857 ; |
|
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858 |
|
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859 magic_tilde : EXPR_NOT |
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860 { |
|
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861 $$ = new tree_black_hole (); |
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862 } |
|
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|
863 ; |
|
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864 |
|
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|
865 arg_list : expression |
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866 { $$ = new tree_argument_list ($1); } |
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867 | magic_colon |
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868 { $$ = new tree_argument_list ($1); } |
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869 | magic_tilde |
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870 { $$ = new tree_argument_list ($1); } |
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871 | arg_list ',' magic_colon |
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872 { |
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873 $1->append ($3); |
|
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874 $$ = $1; |
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875 } |
|
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876 | arg_list ',' magic_tilde |
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877 { |
|
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878 $1->append ($3); |
|
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|
879 $$ = $1; |
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880 } |
|
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881 | arg_list ',' expression |
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882 { |
|
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883 $1->append ($3); |
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884 $$ = $1; |
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885 } |
|
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886 ; |
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|
887 |
|
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888 indirect_ref_op : '.' |
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889 { lexer_flags.looking_at_indirect_ref = true; } |
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|
890 ; |
|
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|
891 |
|
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892 oper_expr : primary_expr |
|
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893 { $$ = $1; } |
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|
894 | oper_expr PLUS_PLUS |
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895 { $$ = make_postfix_op (PLUS_PLUS, $1, $2); } |
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896 | oper_expr MINUS_MINUS |
|
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|
897 { $$ = make_postfix_op (MINUS_MINUS, $1, $2); } |
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|
898 | oper_expr '(' ')' |
|
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899 { $$ = make_index_expression ($1, 0, '('); } |
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|
900 | oper_expr '(' arg_list ')' |
|
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901 { $$ = make_index_expression ($1, $3, '('); } |
|
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902 | oper_expr '{' '}' |
|
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903 { $$ = make_index_expression ($1, 0, '{'); } |
|
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|
904 | oper_expr '{' arg_list '}' |
|
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|
905 { $$ = make_index_expression ($1, $3, '{'); } |
|
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|
906 | oper_expr QUOTE |
|
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907 { $$ = make_postfix_op (QUOTE, $1, $2); } |
|
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|
908 | oper_expr TRANSPOSE |
|
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909 { $$ = make_postfix_op (TRANSPOSE, $1, $2); } |
|
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|
910 | oper_expr indirect_ref_op STRUCT_ELT |
|
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911 { $$ = make_indirect_ref ($1, $3->text ()); } |
|
12627
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|
912 | oper_expr indirect_ref_op '(' expression ')' |
|
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913 { $$ = make_indirect_ref ($1, $4); } |
|
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|
914 | PLUS_PLUS oper_expr %prec UNARY |
|
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915 { $$ = make_prefix_op (PLUS_PLUS, $2, $1); } |
|
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|
916 | MINUS_MINUS oper_expr %prec UNARY |
|
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917 { $$ = make_prefix_op (MINUS_MINUS, $2, $1); } |
|
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|
918 | EXPR_NOT oper_expr %prec UNARY |
|
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919 { $$ = make_prefix_op (EXPR_NOT, $2, $1); } |
|
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|
920 | '+' oper_expr %prec UNARY |
|
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|
921 { $$ = make_prefix_op ('+', $2, $1); } |
|
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|
922 | '-' oper_expr %prec UNARY |
|
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|
923 { $$ = make_prefix_op ('-', $2, $1); } |
|
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|
924 | oper_expr POW oper_expr |
|
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925 { $$ = make_binary_op (POW, $1, $2, $3); } |
|
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|
926 | oper_expr EPOW oper_expr |
|
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|
927 { $$ = make_binary_op (EPOW, $1, $2, $3); } |
|
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|
928 | oper_expr '+' oper_expr |
|
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|
929 { $$ = make_binary_op ('+', $1, $2, $3); } |
|
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|
930 | oper_expr '-' oper_expr |
|
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|
931 { $$ = make_binary_op ('-', $1, $2, $3); } |
|
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|
932 | oper_expr '*' oper_expr |
|
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|
933 { $$ = make_binary_op ('*', $1, $2, $3); } |
|
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|
934 | oper_expr '/' oper_expr |
|
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|
935 { $$ = make_binary_op ('/', $1, $2, $3); } |
|
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|
936 | oper_expr EPLUS oper_expr |
|
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|
937 { $$ = make_binary_op ('+', $1, $2, $3); } |
|
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John W. Eaton <jwe@octave.org>
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|
938 | oper_expr EMINUS oper_expr |
|
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|
939 { $$ = make_binary_op ('-', $1, $2, $3); } |
|
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John W. Eaton <jwe@octave.org>
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|
940 | oper_expr EMUL oper_expr |
|
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|
941 { $$ = make_binary_op (EMUL, $1, $2, $3); } |
|
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John W. Eaton <jwe@octave.org>
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|
942 | oper_expr EDIV oper_expr |
|
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|
943 { $$ = make_binary_op (EDIV, $1, $2, $3); } |
|
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John W. Eaton <jwe@octave.org>
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|
944 | oper_expr LEFTDIV oper_expr |
|
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|
945 { $$ = make_binary_op (LEFTDIV, $1, $2, $3); } |
|
12627
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John W. Eaton <jwe@octave.org>
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|
946 | oper_expr ELEFTDIV oper_expr |
|
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|
947 { $$ = make_binary_op (ELEFTDIV, $1, $2, $3); } |
|
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|
948 ; |
|
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|
949 |
|
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|
950 colon_expr : colon_expr1 |
|
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|
951 { $$ = finish_colon_expression ($1); } |
|
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|
952 ; |
|
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|
953 |
|
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changeset
|
954 colon_expr1 : oper_expr |
|
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|
955 { $$ = new tree_colon_expression ($1); } |
|
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|
956 | colon_expr1 ':' oper_expr |
|
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|
957 { |
|
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|
958 if (! ($$ = $1->append ($3))) |
|
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|
959 ABORT_PARSE; |
|
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|
960 } |
|
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|
961 ; |
|
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|
962 |
|
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|
963 simple_expr : colon_expr |
|
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|
964 { $$ = $1; } |
|
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|
965 | simple_expr LSHIFT simple_expr |
|
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|
966 { $$ = make_binary_op (LSHIFT, $1, $2, $3); } |
|
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|
967 | simple_expr RSHIFT simple_expr |
|
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|
968 { $$ = make_binary_op (RSHIFT, $1, $2, $3); } |
|
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|
969 | simple_expr EXPR_LT simple_expr |
|
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|
970 { $$ = make_binary_op (EXPR_LT, $1, $2, $3); } |
|
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|
971 | simple_expr EXPR_LE simple_expr |
|
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|
972 { $$ = make_binary_op (EXPR_LE, $1, $2, $3); } |
|
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|
973 | simple_expr EXPR_EQ simple_expr |
|
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|
974 { $$ = make_binary_op (EXPR_EQ, $1, $2, $3); } |
|
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|
975 | simple_expr EXPR_GE simple_expr |
|
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|
976 { $$ = make_binary_op (EXPR_GE, $1, $2, $3); } |
|
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|
977 | simple_expr EXPR_GT simple_expr |
|
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|
978 { $$ = make_binary_op (EXPR_GT, $1, $2, $3); } |
|
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|
979 | simple_expr EXPR_NE simple_expr |
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980 { $$ = make_binary_op (EXPR_NE, $1, $2, $3); } |
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981 | simple_expr EXPR_AND simple_expr |
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982 { $$ = make_binary_op (EXPR_AND, $1, $2, $3); } |
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983 | simple_expr EXPR_OR simple_expr |
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984 { $$ = make_binary_op (EXPR_OR, $1, $2, $3); } |
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985 | simple_expr EXPR_AND_AND simple_expr |
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986 { $$ = make_boolean_op (EXPR_AND_AND, $1, $2, $3); } |
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987 | simple_expr EXPR_OR_OR simple_expr |
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988 { $$ = make_boolean_op (EXPR_OR_OR, $1, $2, $3); } |
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989 ; |
| 2970 | 990 |
| 991 // Arrange for the lexer to return CLOSE_BRACE for `]' by looking ahead | |
| 992 // one token for an assignment op. | |
| 993 | |
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994 assign_lhs : simple_expr |
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995 { |
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996 $$ = new tree_argument_list ($1); |
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997 $$->mark_as_simple_assign_lhs (); |
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998 } |
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999 | '[' arg_list opt_comma CLOSE_BRACE |
|
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1000 { |
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1001 $$ = $2; |
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1002 lexer_flags.looking_at_matrix_or_assign_lhs = false; |
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1003 for (std::set<std::string>::const_iterator p = lexer_flags.pending_local_variables.begin (); |
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1004 p != lexer_flags.pending_local_variables.end (); |
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1005 p++) |
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1006 { |
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1007 symbol_table::force_variable (*p); |
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1008 } |
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1009 lexer_flags.pending_local_variables.clear (); |
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1010 } |
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1011 ; |
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1012 |
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1013 assign_expr : assign_lhs '=' expression |
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1014 { $$ = make_assign_op ('=', $1, $2, $3); } |
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1015 | assign_lhs ADD_EQ expression |
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1016 { $$ = make_assign_op (ADD_EQ, $1, $2, $3); } |
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1017 | assign_lhs SUB_EQ expression |
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1018 { $$ = make_assign_op (SUB_EQ, $1, $2, $3); } |
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1019 | assign_lhs MUL_EQ expression |
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1020 { $$ = make_assign_op (MUL_EQ, $1, $2, $3); } |
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1021 | assign_lhs DIV_EQ expression |
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1022 { $$ = make_assign_op (DIV_EQ, $1, $2, $3); } |
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1023 | assign_lhs LEFTDIV_EQ expression |
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1024 { $$ = make_assign_op (LEFTDIV_EQ, $1, $2, $3); } |
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1025 | assign_lhs POW_EQ expression |
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1026 { $$ = make_assign_op (POW_EQ, $1, $2, $3); } |
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1027 | assign_lhs LSHIFT_EQ expression |
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1028 { $$ = make_assign_op (LSHIFT_EQ, $1, $2, $3); } |
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1029 | assign_lhs RSHIFT_EQ expression |
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1030 { $$ = make_assign_op (RSHIFT_EQ, $1, $2, $3); } |
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1031 | assign_lhs EMUL_EQ expression |
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1032 { $$ = make_assign_op (EMUL_EQ, $1, $2, $3); } |
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1033 | assign_lhs EDIV_EQ expression |
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1034 { $$ = make_assign_op (EDIV_EQ, $1, $2, $3); } |
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1035 | assign_lhs ELEFTDIV_EQ expression |
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1036 { $$ = make_assign_op (ELEFTDIV_EQ, $1, $2, $3); } |
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1037 | assign_lhs EPOW_EQ expression |
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1038 { $$ = make_assign_op (EPOW_EQ, $1, $2, $3); } |
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1039 | assign_lhs AND_EQ expression |
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1040 { $$ = make_assign_op (AND_EQ, $1, $2, $3); } |
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1041 | assign_lhs OR_EQ expression |
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1042 { $$ = make_assign_op (OR_EQ, $1, $2, $3); } |
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1043 ; |
|
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1044 |
|
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1045 expression : simple_expr |
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1046 { $$ = $1; } |
|
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1047 | assign_expr |
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1048 { $$ = $1; } |
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1049 | anon_fcn_handle |
|
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1050 { $$ = $1; } |
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1051 ; |
| 2970 | 1052 |
| 1053 // ================================================ | |
| 1054 // Commands, declarations, and function definitions | |
| 1055 // ================================================ | |
| 1056 | |
|
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1057 command : declaration |
|
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1058 { $$ = $1; } |
|
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1059 | select_command |
|
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1060 { $$ = $1; } |
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1061 | loop_command |
|
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1062 { $$ = $1; } |
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1063 | jump_command |
|
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1064 { $$ = $1; } |
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1065 | except_command |
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1066 { $$ = $1; } |
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1067 | function |
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1068 { $$ = $1; } |
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1069 | script_file |
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1070 { $$ = $1; } |
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1071 ; |
| 2970 | 1072 |
| 1073 // ===================== | |
| 1074 // Declaration statemnts | |
| 1075 // ===================== | |
| 1076 | |
|
8701
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|
1077 parsing_decl_list |
|
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1078 : // empty |
|
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1079 { lexer_flags.looking_at_decl_list = true; } |
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1080 |
|
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1081 declaration : GLOBAL parsing_decl_list decl1 |
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1082 { |
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1083 $$ = make_decl_command (GLOBAL, $1, $3); |
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1084 lexer_flags.looking_at_decl_list = false; |
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1085 } |
|
14294
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|
1086 | PERSISTENT parsing_decl_list decl1 |
|
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1087 { |
|
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1088 $$ = make_decl_command (PERSISTENT, $1, $3); |
|
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1089 lexer_flags.looking_at_decl_list = false; |
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1090 } |
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1091 ; |
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1092 |
|
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1093 decl1 : decl2 |
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1094 { $$ = new tree_decl_init_list ($1); } |
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1095 | decl1 decl2 |
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1096 { |
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1097 $1->append ($2); |
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1098 $$ = $1; |
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1099 } |
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1100 ; |
| 2970 | 1101 |
|
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|
1102 decl_param_init : // empty |
|
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1103 { lexer_flags.looking_at_initializer_expression = true; } |
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1104 |
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1105 decl2 : identifier |
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1106 { $$ = new tree_decl_elt ($1); } |
|
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1107 | identifier '=' decl_param_init expression |
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1108 { |
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1109 lexer_flags.looking_at_initializer_expression = false; |
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1110 $$ = new tree_decl_elt ($1, $4); |
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1111 } |
|
10206
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|
1112 | magic_tilde |
|
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|
1113 { |
|
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1114 $$ = new tree_decl_elt ($1); |
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1115 } |
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1116 ; |
| 2970 | 1117 |
| 1118 // ==================== | |
| 1119 // Selection statements | |
| 1120 // ==================== | |
| 1121 | |
|
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1122 select_command : if_command |
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1123 { $$ = $1; } |
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1124 | switch_command |
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1125 { $$ = $1; } |
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1126 ; |
| 2970 | 1127 |
| 1128 // ============ | |
| 1129 // If statement | |
| 1130 // ============ | |
| 1131 | |
|
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1132 if_command : IF stash_comment if_cmd_list END |
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1133 { |
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1134 if (! ($$ = finish_if_command ($1, $3, $4, $2))) |
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1135 ABORT_PARSE; |
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1136 } |
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1137 ; |
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1138 |
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1139 if_cmd_list : if_cmd_list1 |
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1140 { $$ = $1; } |
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1141 | if_cmd_list1 else_clause |
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1142 { |
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1143 $1->append ($2); |
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1144 $$ = $1; |
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1145 } |
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1146 ; |
|
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1147 |
|
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1148 if_cmd_list1 : expression opt_sep opt_list |
|
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Matlab compatible short-circuit behavior for & and | operators
John W. Eaton <jwe@octave.org>
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|
1149 { |
|
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Matlab compatible short-circuit behavior for & and | operators
John W. Eaton <jwe@octave.org>
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|
1150 $1->mark_braindead_shortcircuit (curr_fcn_file_full_name); |
|
5677f3f7b5fa
Matlab compatible short-circuit behavior for & and | operators
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|
1151 |
|
5677f3f7b5fa
Matlab compatible short-circuit behavior for & and | operators
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|
1152 $$ = start_if_command ($1, $3); |
|
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|
1153 } |
|
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1154 | if_cmd_list1 elseif_clause |
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1155 { |
|
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1156 $1->append ($2); |
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1157 $$ = $1; |
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1158 } |
|
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|
1159 ; |
|
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|
1160 |
|
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|
1161 elseif_clause : ELSEIF stash_comment opt_sep expression opt_sep opt_list |
|
11091
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Matlab compatible short-circuit behavior for & and | operators
John W. Eaton <jwe@octave.org>
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|
1162 { |
|
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Matlab compatible short-circuit behavior for & and | operators
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|
1163 $4->mark_braindead_shortcircuit (curr_fcn_file_full_name); |
|
5677f3f7b5fa
Matlab compatible short-circuit behavior for & and | operators
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|
1164 |
|
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Matlab compatible short-circuit behavior for & and | operators
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|
1165 $$ = make_elseif_clause ($1, $4, $6, $2); |
|
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Matlab compatible short-circuit behavior for & and | operators
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|
1166 } |
|
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1167 ; |
|
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1168 |
|
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1169 else_clause : ELSE stash_comment opt_sep opt_list |
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1170 { $$ = new tree_if_clause ($4, $2); } |
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1171 ; |
| 2970 | 1172 |
| 1173 // ================ | |
| 1174 // Switch statement | |
| 1175 // ================ | |
| 1176 | |
|
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1177 switch_command : SWITCH stash_comment expression opt_sep case_list END |
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1178 { |
|
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1179 if (! ($$ = finish_switch_command ($1, $3, $5, $6, $2))) |
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|
1180 ABORT_PARSE; |
|
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1181 } |
|
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|
1182 ; |
|
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|
1183 |
|
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1184 case_list : // empty |
|
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1185 { $$ = new tree_switch_case_list (); } |
|
11317
2da532d0f41c
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|
1186 | default_case |
|
2da532d0f41c
accept otherwise clause in switch statement without preceding case statements
John W. Eaton <jwe@octave.org>
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|
1187 { $$ = new tree_switch_case_list ($1); } |
|
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1188 | case_list1 |
|
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1189 { $$ = $1; } |
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1190 | case_list1 default_case |
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1191 { |
|
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1192 $1->append ($2); |
|
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|
1193 $$ = $1; |
|
11586
12df7854fa7c
strip trailing whitespace from source files
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11572
diff
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|
1194 } |
|
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1195 ; |
|
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|
1196 |
|
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|
1197 case_list1 : switch_case |
|
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1198 { $$ = new tree_switch_case_list ($1); } |
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1199 | case_list1 switch_case |
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1200 { |
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1201 $1->append ($2); |
|
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1202 $$ = $1; |
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1203 } |
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1204 ; |
|
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1205 |
|
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1206 switch_case : CASE stash_comment opt_sep expression opt_sep opt_list |
|
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1207 { $$ = make_switch_case ($1, $4, $6, $2); } |
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1208 ; |
|
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1209 |
|
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1210 default_case : OTHERWISE stash_comment opt_sep opt_list |
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1211 { |
|
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1212 $$ = new tree_switch_case ($4, $2); |
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1213 } |
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1214 ; |
| 2970 | 1215 |
| 1216 // ======= | |
| 1217 // Looping | |
| 1218 // ======= | |
| 1219 | |
|
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1220 loop_command : WHILE stash_comment expression opt_sep opt_list END |
|
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1221 { |
|
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|
1222 $3->mark_braindead_shortcircuit (curr_fcn_file_full_name); |
|
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1223 |
|
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1224 if (! ($$ = make_while_command ($1, $3, $5, $6, $2))) |
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1225 ABORT_PARSE; |
|
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1226 } |
|
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1227 | DO stash_comment opt_sep opt_list UNTIL expression |
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1228 { |
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1229 if (! ($$ = make_do_until_command ($5, $4, $6, $2))) |
|
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1230 ABORT_PARSE; |
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1231 } |
|
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1232 | FOR stash_comment assign_lhs '=' expression opt_sep opt_list END |
|
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1233 { |
|
13245
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1234 if (! ($$ = make_for_command (FOR, $1, $3, $5, 0, |
|
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|
1235 $7, $8, $2))) |
|
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1236 ABORT_PARSE; |
|
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1237 } |
|
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1238 | FOR stash_comment '(' assign_lhs '=' expression ')' opt_sep opt_list END |
|
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1239 { |
|
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changeset
|
1240 if (! ($$ = make_for_command (FOR, $1, $4, $6, 0, |
|
027a2186cd90
parfor keyword and infrastructure, but handle parfor as normal for loop for now
John W. Eaton <jwe@octave.org>
parents:
13241
diff
changeset
|
1241 $9, $10, $2))) |
|
027a2186cd90
parfor keyword and infrastructure, but handle parfor as normal for loop for now
John W. Eaton <jwe@octave.org>
parents:
13241
diff
changeset
|
1242 ABORT_PARSE; |
|
027a2186cd90
parfor keyword and infrastructure, but handle parfor as normal for loop for now
John W. Eaton <jwe@octave.org>
parents:
13241
diff
changeset
|
1243 } |
|
027a2186cd90
parfor keyword and infrastructure, but handle parfor as normal for loop for now
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1244 | PARFOR stash_comment assign_lhs '=' expression opt_sep opt_list END |
|
027a2186cd90
parfor keyword and infrastructure, but handle parfor as normal for loop for now
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1245 { |
|
027a2186cd90
parfor keyword and infrastructure, but handle parfor as normal for loop for now
John W. Eaton <jwe@octave.org>
parents:
13241
diff
changeset
|
1246 if (! ($$ = make_for_command (PARFOR, $1, $3, $5, |
|
027a2186cd90
parfor keyword and infrastructure, but handle parfor as normal for loop for now
John W. Eaton <jwe@octave.org>
parents:
13241
diff
changeset
|
1247 0, $7, $8, $2))) |
|
027a2186cd90
parfor keyword and infrastructure, but handle parfor as normal for loop for now
John W. Eaton <jwe@octave.org>
parents:
13241
diff
changeset
|
1248 ABORT_PARSE; |
|
027a2186cd90
parfor keyword and infrastructure, but handle parfor as normal for loop for now
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1249 } |
|
027a2186cd90
parfor keyword and infrastructure, but handle parfor as normal for loop for now
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1250 | PARFOR stash_comment '(' assign_lhs '=' expression ',' expression ')' opt_sep opt_list END |
|
027a2186cd90
parfor keyword and infrastructure, but handle parfor as normal for loop for now
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1251 { |
|
027a2186cd90
parfor keyword and infrastructure, but handle parfor as normal for loop for now
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1252 if (! ($$ = make_for_command (PARFOR, $1, $4, $6, |
|
027a2186cd90
parfor keyword and infrastructure, but handle parfor as normal for loop for now
John W. Eaton <jwe@octave.org>
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changeset
|
1253 $8, $11, $12, $2))) |
|
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|
1254 ABORT_PARSE; |
|
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changeset
|
1255 } |
|
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|
1256 ; |
| 2970 | 1257 |
| 1258 // ======= | |
| 1259 // Jumping | |
| 1260 // ======= | |
| 1261 | |
|
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|
1262 jump_command : BREAK |
|
57a59eae83cc
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|
1263 { |
|
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|
1264 if (! ($$ = make_break_command ($1))) |
|
57a59eae83cc
untabify src C++ source files
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|
1265 ABORT_PARSE; |
|
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|
1266 } |
|
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|
1267 | CONTINUE |
|
57a59eae83cc
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|
1268 { |
|
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changeset
|
1269 if (! ($$ = make_continue_command ($1))) |
|
57a59eae83cc
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|
1270 ABORT_PARSE; |
|
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|
1271 } |
|
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|
1272 | FUNC_RET |
|
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|
1273 { |
|
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|
1274 if (! ($$ = make_return_command ($1))) |
|
57a59eae83cc
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|
1275 ABORT_PARSE; |
|
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|
1276 } |
|
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|
1277 ; |
| 2970 | 1278 |
| 1279 // ========== | |
| 1280 // Exceptions | |
| 1281 // ========== | |
| 1282 | |
|
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|
1283 except_command : UNWIND stash_comment opt_sep opt_list CLEANUP |
|
57a59eae83cc
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|
1284 stash_comment opt_sep opt_list END |
|
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|
1285 { |
|
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|
1286 if (! ($$ = make_unwind_command ($1, $4, $8, $9, $2, $6))) |
|
57a59eae83cc
untabify src C++ source files
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|
1287 ABORT_PARSE; |
|
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|
1288 } |
|
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changeset
|
1289 | TRY stash_comment opt_sep opt_list CATCH |
|
57a59eae83cc
untabify src C++ source files
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|
1290 stash_comment opt_sep opt_list END |
|
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changeset
|
1291 { |
|
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changeset
|
1292 if (! ($$ = make_try_command ($1, $4, $8, $9, $2, $6))) |
|
57a59eae83cc
untabify src C++ source files
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|
1293 ABORT_PARSE; |
|
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|
1294 } |
|
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changeset
|
1295 | TRY stash_comment opt_sep opt_list END |
|
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|
1296 { |
|
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changeset
|
1297 if (! ($$ = make_try_command ($1, $4, 0, $5, $2, 0))) |
|
57a59eae83cc
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|
1298 ABORT_PARSE; |
|
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changeset
|
1299 } |
|
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|
1300 ; |
| 2970 | 1301 |
| 1302 // =========================================== | |
| 1303 // Some `subroutines' for function definitions | |
| 1304 // =========================================== | |
| 1305 | |
|
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untabify src C++ source files
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|
1306 push_fcn_symtab : // empty |
|
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|
1307 { |
|
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|
1308 current_function_depth++; |
|
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|
1309 |
|
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|
1310 if (max_function_depth < current_function_depth) |
|
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|
1311 max_function_depth = current_function_depth; |
|
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|
1312 |
|
14329
8d1ae996c122
also save and restore symbol table context in parser (bug #35448)
John W. Eaton <jwe@octave.org>
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14294
diff
changeset
|
1313 parser_symtab_context.push (); |
|
8d1ae996c122
also save and restore symbol table context in parser (bug #35448)
John W. Eaton <jwe@octave.org>
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|
1314 |
|
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|
1315 symbol_table::set_scope (symbol_table::alloc_scope ()); |
|
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changeset
|
1316 |
|
14544
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
1317 function_scopes.push_back (symbol_table::current_scope ()); |
|
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
1318 |
|
10315
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changeset
|
1319 if (! reading_script_file && current_function_depth == 1 |
|
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|
1320 && ! parsing_subfunctions) |
|
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untabify src C++ source files
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changeset
|
1321 primary_fcn_scope = symbol_table::current_scope (); |
|
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changeset
|
1322 |
|
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changeset
|
1323 if (reading_script_file && current_function_depth > 1) |
|
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untabify src C++ source files
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|
1324 yyerror ("nested functions not implemented in this context"); |
|
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|
1325 } |
|
57a59eae83cc
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changeset
|
1326 ; |
| 2970 | 1327 |
| 1328 // =========================== | |
| 1329 // List of function parameters | |
| 1330 // =========================== | |
| 1331 | |
|
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untabify src C++ source files
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|
1332 param_list_beg : '(' |
|
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|
1333 { |
|
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changeset
|
1334 lexer_flags.looking_at_parameter_list = true; |
|
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|
1335 |
|
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changeset
|
1336 if (lexer_flags.looking_at_function_handle) |
|
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untabify src C++ source files
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|
1337 { |
|
14329
8d1ae996c122
also save and restore symbol table context in parser (bug #35448)
John W. Eaton <jwe@octave.org>
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changeset
|
1338 parser_symtab_context.push (); |
|
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changeset
|
1339 symbol_table::set_scope (symbol_table::alloc_scope ()); |
|
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changeset
|
1340 lexer_flags.looking_at_function_handle--; |
|
13237
1bfca2bbea8b
fix parsing of anonymous functions inside cell array lists.
John W. Eaton <jwe@octave.org>
parents:
13125
diff
changeset
|
1341 lexer_flags.looking_at_anon_fcn_args = true; |
|
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|
1342 } |
|
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|
1343 } |
|
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|
1344 ; |
|
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|
1345 |
|
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|
1346 param_list_end : ')' |
|
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|
1347 { |
|
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changeset
|
1348 lexer_flags.looking_at_parameter_list = false; |
|
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|
1349 lexer_flags.looking_for_object_index = false; |
|
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|
1350 } |
|
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|
1351 ; |
|
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|
1352 |
|
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|
1353 param_list : param_list_beg param_list1 param_list_end |
|
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|
1354 { |
|
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|
1355 lexer_flags.quote_is_transpose = false; |
|
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|
1356 $$ = $2; |
|
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|
1357 } |
|
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|
1358 | param_list_beg error |
|
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|
1359 { |
|
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|
1360 yyerror ("invalid parameter list"); |
|
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|
1361 $$ = 0; |
|
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|
1362 ABORT_PARSE; |
|
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|
1363 } |
|
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|
1364 ; |
|
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|
1365 |
|
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|
1366 param_list1 : // empty |
|
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1367 { $$ = 0; } |
|
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|
1368 | param_list2 |
|
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1369 { |
|
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|
1370 $1->mark_as_formal_parameters (); |
|
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1371 if ($1->validate (tree_parameter_list::in)) |
|
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1372 $$ = $1; |
|
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|
1373 else |
|
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|
1374 ABORT_PARSE; |
|
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|
1375 } |
|
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|
1376 ; |
|
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|
1377 |
|
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|
1378 param_list2 : decl2 |
|
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1379 { $$ = new tree_parameter_list ($1); } |
|
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|
1380 | param_list2 ',' decl2 |
|
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|
1381 { |
|
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|
1382 $1->append ($3); |
|
57a59eae83cc
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|
1383 $$ = $1; |
|
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|
1384 } |
|
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|
1385 ; |
| 2970 | 1386 |
| 1387 // =================================== | |
| 1388 // List of function return value names | |
| 1389 // =================================== | |
| 1390 | |
|
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|
1391 return_list : '[' ']' |
|
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|
1392 { |
|
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|
1393 lexer_flags.looking_at_return_list = false; |
|
57a59eae83cc
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|
1394 $$ = new tree_parameter_list (); |
|
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|
1395 } |
|
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|
1396 | return_list1 |
|
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|
1397 { |
|
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|
1398 lexer_flags.looking_at_return_list = false; |
|
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|
1399 if ($1->validate (tree_parameter_list::out)) |
|
57a59eae83cc
untabify src C++ source files
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|
1400 $$ = $1; |
|
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|
1401 else |
|
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|
1402 ABORT_PARSE; |
|
57a59eae83cc
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|
1403 } |
|
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|
1404 | '[' return_list1 ']' |
|
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|
1405 { |
|
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|
1406 lexer_flags.looking_at_return_list = false; |
|
57a59eae83cc
untabify src C++ source files
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|
1407 if ($2->validate (tree_parameter_list::out)) |
|
57a59eae83cc
untabify src C++ source files
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|
1408 $$ = $2; |
|
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|
1409 else |
|
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|
1410 ABORT_PARSE; |
|
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|
1411 } |
|
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|
1412 ; |
|
57a59eae83cc
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|
1413 |
|
57a59eae83cc
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|
1414 return_list1 : identifier |
|
57a59eae83cc
untabify src C++ source files
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|
1415 { $$ = new tree_parameter_list (new tree_decl_elt ($1)); } |
|
57a59eae83cc
untabify src C++ source files
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|
1416 | return_list1 ',' identifier |
|
57a59eae83cc
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diff
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|
1417 { |
|
57a59eae83cc
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|
1418 $1->append (new tree_decl_elt ($3)); |
|
57a59eae83cc
untabify src C++ source files
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|
1419 $$ = $1; |
|
57a59eae83cc
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|
1420 } |
|
57a59eae83cc
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diff
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|
1421 ; |
| 2970 | 1422 |
|
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1423 // =========== |
|
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
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7699
diff
changeset
|
1424 // Script file |
|
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
1425 // =========== |
|
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1426 |
|
10315
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|
1427 script_file : SCRIPT_FILE opt_list END_OF_INPUT |
|
57a59eae83cc
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|
1428 { |
|
57a59eae83cc
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|
1429 tree_statement *end_of_script |
|
57a59eae83cc
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|
1430 = make_end ("endscript", input_line_number, |
|
57a59eae83cc
untabify src C++ source files
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|
1431 current_input_column); |
|
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|
1432 |
|
57a59eae83cc
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changeset
|
1433 make_script ($2, end_of_script); |
|
57a59eae83cc
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|
1434 |
|
57a59eae83cc
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changeset
|
1435 $$ = 0; |
|
57a59eae83cc
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|
1436 } |
|
57a59eae83cc
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changeset
|
1437 ; |
|
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1438 |
|
9474
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
1439 // ============= |
|
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
1440 // Function file |
|
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
1441 // ============= |
|
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
1442 |
|
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
1443 function_file : FUNCTION_FILE function_list opt_sep END_OF_INPUT |
|
10315
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untabify src C++ source files
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|
1444 { $$ = 0; } |
|
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untabify src C++ source files
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|
1445 ; |
|
9474
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
1446 |
|
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
1447 function_list : function |
|
10315
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untabify src C++ source files
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|
1448 | function_list sep function |
|
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1449 ; |
|
9474
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
1450 |
| 2970 | 1451 // =================== |
| 1452 // Function definition | |
| 1453 // =================== | |
| 1454 | |
|
10315
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untabify src C++ source files
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changeset
|
1455 function_beg : push_fcn_symtab FCN stash_comment |
|
57a59eae83cc
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|
1456 { |
|
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changeset
|
1457 $$ = $3; |
|
57a59eae83cc
untabify src C++ source files
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changeset
|
1458 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
1459 if (reading_classdef_file || lexer_flags.parsing_classdef) |
|
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
1460 lexer_flags.maybe_classdef_get_set_method = true; |
|
10315
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1461 } |
|
57a59eae83cc
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diff
changeset
|
1462 ; |
|
57a59eae83cc
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changeset
|
1463 |
|
57a59eae83cc
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changeset
|
1464 function : function_beg function1 |
|
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|
1465 { |
|
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|
1466 $$ = finish_function (0, $2, $1); |
|
57a59eae83cc
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|
1467 recover_from_parsing_function (); |
|
57a59eae83cc
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|
1468 } |
|
57a59eae83cc
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changeset
|
1469 | function_beg return_list '=' function1 |
|
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|
1470 { |
|
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|
1471 $$ = finish_function ($2, $4, $1); |
|
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changeset
|
1472 recover_from_parsing_function (); |
|
57a59eae83cc
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|
1473 } |
|
57a59eae83cc
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|
1474 ; |
|
57a59eae83cc
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changeset
|
1475 |
|
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changeset
|
1476 fcn_name : identifier |
|
57a59eae83cc
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|
1477 { |
|
57a59eae83cc
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changeset
|
1478 std::string id_name = $1->name (); |
|
57a59eae83cc
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changeset
|
1479 |
|
11464
21b5284fa78d
avoid error when parsing nested functions
John W. Eaton <jwe@octave.org>
parents:
11461
diff
changeset
|
1480 lexer_flags.parsed_function_name.top () = true; |
|
10315
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untabify src C++ source files
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changeset
|
1481 lexer_flags.maybe_classdef_get_set_method = false; |
|
11586
12df7854fa7c
strip trailing whitespace from source files
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changeset
|
1482 |
|
10315
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changeset
|
1483 $$ = $1; |
|
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|
1484 } |
|
57a59eae83cc
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changeset
|
1485 | GET '.' identifier |
|
57a59eae83cc
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changeset
|
1486 { |
|
14293
71a198cca35b
improve parsing of classdef methods
John W. Eaton <jwe@octave.org>
parents:
14189
diff
changeset
|
1487 lexer_flags.parsed_function_name.top () = true; |
|
10315
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untabify src C++ source files
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changeset
|
1488 lexer_flags.maybe_classdef_get_set_method = false; |
|
15037
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
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14846
diff
changeset
|
1489 lexer_flags.parsing_classdef_get_method = true; |
|
10315
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untabify src C++ source files
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changeset
|
1490 $$ = $3; |
|
57a59eae83cc
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changeset
|
1491 } |
|
57a59eae83cc
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changeset
|
1492 | SET '.' identifier |
|
57a59eae83cc
untabify src C++ source files
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changeset
|
1493 { |
|
14293
71a198cca35b
improve parsing of classdef methods
John W. Eaton <jwe@octave.org>
parents:
14189
diff
changeset
|
1494 lexer_flags.parsed_function_name.top () = true; |
|
10315
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untabify src C++ source files
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changeset
|
1495 lexer_flags.maybe_classdef_get_set_method = false; |
|
15037
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
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14846
diff
changeset
|
1496 lexer_flags.parsing_classdef_set_method = true; |
|
10315
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untabify src C++ source files
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changeset
|
1497 $$ = $3; |
|
57a59eae83cc
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changeset
|
1498 } |
|
57a59eae83cc
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changeset
|
1499 ; |
|
57a59eae83cc
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changeset
|
1500 |
|
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changeset
|
1501 function1 : fcn_name function2 |
|
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changeset
|
1502 { |
|
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changeset
|
1503 std::string fname = $1->name (); |
|
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changeset
|
1504 |
|
57a59eae83cc
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|
1505 delete $1; |
|
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|
1506 |
|
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|
1507 if (! ($$ = frob_function (fname, $2))) |
|
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untabify src C++ source files
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|
1508 ABORT_PARSE; |
|
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|
1509 } |
|
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|
1510 ; |
|
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|
1511 |
|
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|
1512 function2 : param_list opt_sep opt_list function_end |
|
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untabify src C++ source files
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|
1513 { $$ = start_function ($1, $3, $4); } |
|
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|
1514 | opt_sep opt_list function_end |
|
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|
1515 { $$ = start_function (0, $2, $3); } |
|
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|
1516 ; |
|
57a59eae83cc
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|
1517 |
|
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|
1518 function_end : END |
|
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|
1519 { |
|
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|
1520 endfunction_found = true; |
|
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untabify src C++ source files
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|
1521 if (end_token_ok ($1, token::function_end)) |
|
57a59eae83cc
untabify src C++ source files
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|
1522 $$ = make_end ("endfunction", $1->line (), $1->column ()); |
|
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|
1523 else |
|
57a59eae83cc
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|
1524 ABORT_PARSE; |
|
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|
1525 } |
|
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|
1526 | END_OF_INPUT |
|
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|
1527 { |
|
9474
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
1528 // A lot of tests are based on the assumption that this is OK |
|
10315
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|
1529 // if (reading_script_file) |
|
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untabify src C++ source files
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|
1530 // { |
|
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untabify src C++ source files
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|
1531 // yyerror ("function body open at end of script"); |
|
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|
1532 // YYABORT; |
|
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|
1533 // } |
|
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|
1534 |
|
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|
1535 if (endfunction_found) |
|
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|
1536 { |
|
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|
1537 yyerror ("inconsistent function endings -- " |
|
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untabify src C++ source files
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|
1538 "if one function is explicitly ended, " |
|
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untabify src C++ source files
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|
1539 "so must all the others"); |
|
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|
1540 YYABORT; |
|
57a59eae83cc
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|
1541 } |
|
57a59eae83cc
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|
1542 |
|
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untabify src C++ source files
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diff
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|
1543 if (! (reading_fcn_file || reading_script_file |
|
10130
0c3609dd34cf
oct-parse.yy (eval_string): save and set reading_{script,fcn,classdef}_file vars
John W. Eaton <jwe@octave.org>
parents:
10067
diff
changeset
|
1544 || get_input_from_eval_string)) |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
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|
1545 { |
|
57a59eae83cc
untabify src C++ source files
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|
1546 yyerror ("function body open at end of input"); |
|
57a59eae83cc
untabify src C++ source files
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|
1547 YYABORT; |
|
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diff
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|
1548 } |
|
57a59eae83cc
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|
1549 |
|
57a59eae83cc
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|
1550 if (reading_classdef_file) |
|
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untabify src C++ source files
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|
1551 { |
|
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|
1552 yyerror ("classdef body open at end of input"); |
|
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untabify src C++ source files
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|
1553 YYABORT; |
|
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|
1554 } |
|
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|
1555 |
|
57a59eae83cc
untabify src C++ source files
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|
1556 $$ = make_end ("endfunction", input_line_number, |
|
57a59eae83cc
untabify src C++ source files
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|
1557 current_input_column); |
|
57a59eae83cc
untabify src C++ source files
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diff
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|
1558 } |
|
57a59eae83cc
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John W. Eaton <jwe@octave.org>
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|
1559 ; |
| 2970 | 1560 |
|
15037
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John W. Eaton <jwe@octave.org>
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diff
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|
1561 // ============= |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1562 // Classdef file |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1563 // ============= |
|
56b8eb7c9c04
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
1564 |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1565 classdef_file : CLASSDEF_FILE classdef opt_sep END_OF_INPUT |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1566 { |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1567 classdef_object = $2; |
|
56b8eb7c9c04
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
1568 $$ = 0; |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1569 } |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1570 ; |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1571 |
| 9476 | 1572 // ======== |
| 1573 // Classdef | |
| 1574 // ======== | |
| 1575 | |
|
15037
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
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changeset
|
1576 classdef_beg : CLASSDEF |
|
10315
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untabify src C++ source files
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|
1577 { |
|
15037
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John W. Eaton <jwe@octave.org>
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diff
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|
1578 if (! reading_classdef_file) |
|
56b8eb7c9c04
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
1579 { |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1580 yyerror ("classdef must appear inside a file containing only a class definition"); |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1581 YYABORT; |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1582 } |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1583 |
|
10315
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changeset
|
1584 lexer_flags.parsing_classdef = true; |
|
15037
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
1585 $$ = $1; |
|
10315
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|
1586 } |
|
57a59eae83cc
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|
1587 ; |
|
57a59eae83cc
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John W. Eaton <jwe@octave.org>
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changeset
|
1588 |
|
15037
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1589 classdef : classdef_beg stash_comment opt_attr_list identifier opt_superclass_list opt_sep class_body opt_sep END |
|
10315
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|
1590 { |
|
57a59eae83cc
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changeset
|
1591 lexer_flags.parsing_classdef = false; |
|
15037
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John W. Eaton <jwe@octave.org>
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14846
diff
changeset
|
1592 $$ = make_classdef ($1, $3, $4, $5, $7, $9, $2); |
|
10315
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|
1593 } |
|
57a59eae83cc
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|
1594 ; |
|
57a59eae83cc
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|
1595 |
|
57a59eae83cc
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|
1596 opt_attr_list : // empty |
|
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|
1597 { $$ = 0; } |
|
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|
1598 | '(' attr_list ')' |
|
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changeset
|
1599 { $$ = $2; } |
|
10315
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|
1600 ; |
|
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|
1601 |
|
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|
1602 attr_list : attr |
|
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changeset
|
1603 { $$ = new tree_classdef_attribute_list ($1); } |
|
10315
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|
1604 | attr_list ',' attr |
|
15037
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|
1605 { |
|
56b8eb7c9c04
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changeset
|
1606 $1->append ($3); |
|
56b8eb7c9c04
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changeset
|
1607 $$ = $1; |
|
56b8eb7c9c04
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changeset
|
1608 } |
|
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|
1609 ; |
|
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|
1610 |
|
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|
1611 attr : identifier |
|
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changeset
|
1612 { $$ = new tree_classdef_attribute ($1); } |
|
10315
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1613 | identifier '=' decl_param_init expression |
|
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diff
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|
1614 { |
|
56b8eb7c9c04
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diff
changeset
|
1615 lexer_flags.looking_at_initializer_expression = false; |
|
56b8eb7c9c04
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changeset
|
1616 $$ = new tree_classdef_attribute ($1, $4); |
|
56b8eb7c9c04
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|
1617 } |
|
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|
1618 | EXPR_NOT identifier |
|
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changeset
|
1619 { $$ = new tree_classdef_attribute ($2, false); } |
|
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|
1620 ; |
| 9476 | 1621 |
|
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changeset
|
1622 opt_superclass_list |
|
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|
1623 : // empty |
|
57a59eae83cc
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changeset
|
1624 { $$ = 0; } |
|
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changeset
|
1625 | superclass_list |
|
56b8eb7c9c04
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changeset
|
1626 { $$ = $1; } |
|
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|
1627 ; |
|
57a59eae83cc
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changeset
|
1628 |
|
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changeset
|
1629 superclass_list : EXPR_LT superclass |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1630 { $$ = new tree_classdef_superclass_list ($2); } |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1631 | superclass_list EXPR_AND superclass |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1632 { |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1633 $1->append ($3); |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1634 $$ = $1; |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1635 } |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1636 ; |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1637 |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1638 superclass : identifier |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1639 { $$ = new tree_classdef_superclass ($1); } |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1640 | identifier '.' identifier |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1641 { $$ = new tree_classdef_superclass ($3, $1); } |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1642 ; |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1643 |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1644 class_body : properties_block |
|
15037
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1645 { $$ = new tree_classdef_body ($1); } |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1646 | methods_block |
|
15037
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1647 { $$ = new tree_classdef_body ($1); } |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1648 | events_block |
|
15037
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1649 { $$ = new tree_classdef_body ($1); } |
|
13249
7861a5fd3479
accept enumeration keyword
John W. Eaton <jwe@octave.org>
parents:
13246
diff
changeset
|
1650 | enum_block |
|
15037
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1651 { $$ = new tree_classdef_body ($1); } |
|
13250
f6bbdea030b2
use opt_sep instead of literal '\n' in parser rules for classdef
John W. Eaton <jwe@octave.org>
parents:
13249
diff
changeset
|
1652 | class_body opt_sep properties_block |
|
15037
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1653 { |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1654 $1->append ($3); |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1655 $$ = $1; |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1656 } |
|
13250
f6bbdea030b2
use opt_sep instead of literal '\n' in parser rules for classdef
John W. Eaton <jwe@octave.org>
parents:
13249
diff
changeset
|
1657 | class_body opt_sep methods_block |
|
15037
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1658 { |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1659 $1->append ($3); |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1660 $$ = $1; |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1661 } |
|
13250
f6bbdea030b2
use opt_sep instead of literal '\n' in parser rules for classdef
John W. Eaton <jwe@octave.org>
parents:
13249
diff
changeset
|
1662 | class_body opt_sep events_block |
|
15037
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1663 { |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1664 $1->append ($3); |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1665 $$ = $1; |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1666 } |
|
13250
f6bbdea030b2
use opt_sep instead of literal '\n' in parser rules for classdef
John W. Eaton <jwe@octave.org>
parents:
13249
diff
changeset
|
1667 | class_body opt_sep enum_block |
|
15037
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1668 { |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1669 $1->append ($3); |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1670 $$ = $1; |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1671 } |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1672 ; |
| 9476 | 1673 |
| 1674 properties_block | |
|
15037
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1675 : PROPERTIES stash_comment opt_attr_list opt_sep property_list opt_sep END |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1676 { |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1677 if (! ($$ = make_classdef_properties_block ($1, $3, $5, $7, $2))) |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1678 ABORT_PARSE; |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1679 } |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1680 ; |
| 9476 | 1681 |
|
15037
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1682 property_list |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1683 : class_property |
|
15037
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1684 { $$ = new tree_classdef_property_list ($1); } |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1685 | property_list opt_sep class_property |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1686 { |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1687 $1->append ($3); |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1688 $$ = $1; |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1689 } |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1690 ; |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1691 |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1692 class_property : identifier |
|
15037
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1693 { $$ = new tree_classdef_property ($1); } |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1694 | identifier '=' decl_param_init expression ';' |
|
15037
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1695 { |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1696 lexer_flags.looking_at_initializer_expression = false; |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1697 $$ = new tree_classdef_property ($1, $4); |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1698 } |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1699 ; |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1700 |
|
15037
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1701 methods_block : METHODS stash_comment opt_attr_list opt_sep methods_list opt_sep END |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1702 { |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1703 if (! ($$ = make_classdef_methods_block ($1, $3, $5, $7, $2))) |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1704 ABORT_PARSE; |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1705 } |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1706 ; |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1707 |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1708 methods_list : function |
|
15037
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1709 { |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1710 octave_value fcn; |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1711 if ($1) |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1712 fcn = $1->function (); |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1713 delete $1; |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1714 $$ = new tree_classdef_methods_list (fcn); |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1715 } |
|
13250
f6bbdea030b2
use opt_sep instead of literal '\n' in parser rules for classdef
John W. Eaton <jwe@octave.org>
parents:
13249
diff
changeset
|
1716 | methods_list opt_sep function |
|
15037
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1717 { |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1718 octave_value fcn; |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1719 if ($3) |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1720 fcn = $3->function (); |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1721 delete $3; |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1722 |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1723 $1->append (fcn); |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1724 $$ = $1; |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1725 } |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1726 ; |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1727 |
|
15037
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1728 events_block : EVENTS stash_comment opt_attr_list opt_sep events_list opt_sep END |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1729 { |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1730 if (! ($$ = make_classdef_events_block ($1, $3, $5, $7, $2))) |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1731 ABORT_PARSE; |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1732 } |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1733 ; |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1734 |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1735 events_list : class_event |
|
15037
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1736 { $$ = new tree_classdef_events_list ($1); } |
|
13250
f6bbdea030b2
use opt_sep instead of literal '\n' in parser rules for classdef
John W. Eaton <jwe@octave.org>
parents:
13249
diff
changeset
|
1737 | events_list opt_sep class_event |
|
15037
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1738 { |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1739 $1->append ($3); |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1740 $$ = $1; |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1741 } |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1742 ; |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1743 |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1744 class_event : identifier |
|
15037
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1745 { $$ = new tree_classdef_event ($1); } |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
1746 ; |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
1747 |
|
15037
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1748 enum_block : ENUMERATION stash_comment opt_attr_list opt_sep enum_list opt_sep END |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1749 { |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
1750 if (! ($$ = make_classdef_enum_block ($1, $3, $5, $7, $2))) |
|
56b8eb7c9c04
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John W. Eaton <jwe@octave.org>
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|
1751 ABORT_PARSE; |
|
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|
1752 } |
|
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|
1753 ; |
|
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|
1754 |
|
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|
1755 enum_list : class_enum |
|
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|
1756 { $$ = new tree_classdef_enum_list ($1); } |
|
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use opt_sep instead of literal '\n' in parser rules for classdef
John W. Eaton <jwe@octave.org>
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|
1757 | enum_list opt_sep class_enum |
|
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|
1758 { |
|
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|
1759 $1->append ($3); |
|
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|
1760 $$ = $1; |
|
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|
1761 } |
|
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|
1762 ; |
|
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|
1763 |
|
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|
1764 class_enum : identifier '(' expression ')' |
|
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|
1765 { $$ = new tree_classdef_enum ($1, $3); } |
|
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|
1766 ; |
|
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|
1767 |
| 2970 | 1768 // ============= |
| 1769 // Miscellaneous | |
| 1770 // ============= | |
| 1771 | |
|
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1772 stash_comment : // empty |
|
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1773 { $$ = octave_comment_buffer::get_comment (); } |
|
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1774 ; |
|
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|
1775 |
|
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1776 parse_error : LEXICAL_ERROR |
|
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1777 { yyerror ("parse error"); } |
|
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1778 | error |
|
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|
1779 ; |
|
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|
1780 |
|
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1781 sep_no_nl : ',' |
|
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1782 { $$ = ','; } |
|
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1783 | ';' |
|
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1784 { $$ = ';'; } |
|
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1785 | sep_no_nl ',' |
|
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1786 { $$ = $1; } |
|
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1787 | sep_no_nl ';' |
|
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1788 { $$ = $1; } |
|
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|
1789 ; |
|
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1790 |
|
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1791 opt_sep_no_nl : // empty |
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1792 { $$ = 0; } |
|
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1793 | sep_no_nl |
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1794 { $$ = $1; } |
|
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1795 ; |
|
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|
1796 |
|
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1797 sep : ',' |
|
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1798 { $$ = ','; } |
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1799 | ';' |
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1800 { $$ = ';'; } |
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1801 | '\n' |
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1802 { $$ = '\n'; } |
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1803 | sep ',' |
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1804 { $$ = $1; } |
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1805 | sep ';' |
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1806 { $$ = $1; } |
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1807 | sep '\n' |
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1808 { $$ = $1; } |
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1809 ; |
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1810 |
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1811 opt_sep : // empty |
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1812 { $$ = 0; } |
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1813 | sep |
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1814 { $$ = $1; } |
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1815 ; |
| 2525 | 1816 |
|
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1817 opt_comma : // empty |
|
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1818 { $$ = 0; } |
|
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1819 | ',' |
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1820 { $$ = ','; } |
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1821 ; |
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1822 |
| 1 | 1823 %% |
| 1824 | |
| 666 | 1825 // Generic error messages. |
| 1826 | |
| 1 | 1827 static void |
| 2805 | 1828 yyerror (const char *s) |
| 1 | 1829 { |
| 143 | 1830 int err_col = current_input_column - 1; |
| 1 | 1831 |
| 5765 | 1832 std::ostringstream output_buf; |
| 1 | 1833 |
| 9476 | 1834 if (reading_fcn_file || reading_script_file || reading_classdef_file) |
| 1005 | 1835 output_buf << "parse error near line " << input_line_number |
|
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1836 << " of file " << curr_fcn_file_full_name; |
| 1005 | 1837 else |
| 1838 output_buf << "parse error:"; | |
| 581 | 1839 |
| 1005 | 1840 if (s && strcmp (s, "parse error") != 0) |
| 1841 output_buf << "\n\n " << s; | |
| 1842 | |
| 1843 output_buf << "\n\n"; | |
| 1 | 1844 |
| 1755 | 1845 if (! current_input_line.empty ()) |
| 1 | 1846 { |
| 1755 | 1847 size_t len = current_input_line.length (); |
| 1060 | 1848 |
| 1755 | 1849 if (current_input_line[len-1] == '\n') |
| 1850 current_input_line.resize (len-1); | |
| 1005 | 1851 |
| 4051 | 1852 // Print the line, maybe with a pointer near the error token. |
| 1005 | 1853 |
| 1755 | 1854 output_buf << ">>> " << current_input_line << "\n"; |
| 1060 | 1855 |
| 1856 if (err_col == 0) | |
|
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1857 err_col = len; |
| 1060 | 1858 |
| 1859 for (int i = 0; i < err_col + 3; i++) | |
|
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1860 output_buf << " "; |
| 1060 | 1861 |
| 1862 output_buf << "^"; | |
| 1 | 1863 } |
| 1005 | 1864 |
| 5765 | 1865 output_buf << "\n"; |
| 1866 | |
| 1867 std::string msg = output_buf.str (); | |
| 1868 | |
| 1869 parse_error ("%s", msg.c_str ()); | |
| 1 | 1870 } |
| 1871 | |
| 666 | 1872 // Error mesages for mismatched end tokens. |
| 1873 | |
| 496 | 1874 static void |
| 2805 | 1875 end_error (const char *type, token::end_tok_type ettype, int l, int c) |
| 496 | 1876 { |
| 2805 | 1877 static const char *fmt |
| 1878 = "`%s' command matched by `%s' near line %d column %d"; | |
| 496 | 1879 |
| 1880 switch (ettype) | |
| 1881 { | |
| 1882 case token::simple_end: | |
| 1883 error (fmt, type, "end", l, c); | |
| 1884 break; | |
| 777 | 1885 |
| 496 | 1886 case token::for_end: |
| 1887 error (fmt, type, "endfor", l, c); | |
| 1888 break; | |
| 777 | 1889 |
| 496 | 1890 case token::function_end: |
| 1891 error (fmt, type, "endfunction", l, c); | |
| 1892 break; | |
| 777 | 1893 |
| 9476 | 1894 case token::classdef_end: |
| 1895 error (fmt, type, "endclassdef", l, c); | |
| 1896 break; | |
| 1897 | |
| 496 | 1898 case token::if_end: |
| 1899 error (fmt, type, "endif", l, c); | |
| 1900 break; | |
| 777 | 1901 |
| 3233 | 1902 case token::switch_end: |
|
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1903 error (fmt, type, "endswitch", l, c); |
| 3233 | 1904 break; |
| 1905 | |
| 496 | 1906 case token::while_end: |
|
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1907 error (fmt, type, "endwhile", l, c); |
| 496 | 1908 break; |
| 777 | 1909 |
| 5400 | 1910 case token::try_catch_end: |
|
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1911 error (fmt, type, "end_try_catch", l, c); |
| 5400 | 1912 break; |
| 1913 | |
| 1371 | 1914 case token::unwind_protect_end: |
|
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1915 error (fmt, type, "end_unwind_protect", l, c); |
| 1371 | 1916 break; |
| 1917 | |
| 496 | 1918 default: |
| 1919 panic_impossible (); | |
| 1920 break; | |
| 1921 } | |
| 1922 } | |
| 1923 | |
| 666 | 1924 // Check to see that end tokens are properly matched. |
| 1925 | |
| 2857 | 1926 static bool |
| 1927 end_token_ok (token *tok, token::end_tok_type expected) | |
| 143 | 1928 { |
| 2857 | 1929 bool retval = true; |
| 1930 | |
| 143 | 1931 token::end_tok_type ettype = tok->ettype (); |
| 2857 | 1932 |
| 143 | 1933 if (ettype != expected && ettype != token::simple_end) |
| 1934 { | |
| 2857 | 1935 retval = false; |
| 1936 | |
| 143 | 1937 yyerror ("parse error"); |
| 1938 | |
| 1939 int l = tok->line (); | |
| 1940 int c = tok->column (); | |
| 1941 | |
| 1942 switch (expected) | |
|
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1943 { |
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1944 case token::classdef_end: |
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1945 end_error ("classdef", ettype, l, c); |
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1946 break; |
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1947 |
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1948 case token::for_end: |
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1949 end_error ("for", ettype, l, c); |
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1950 break; |
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1951 |
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1952 case token::enumeration_end: |
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1953 end_error ("enumeration", ettype, l, c); |
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1954 break; |
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1955 |
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1956 case token::function_end: |
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1957 end_error ("function", ettype, l, c); |
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1958 break; |
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1959 |
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1960 case token::if_end: |
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1961 end_error ("if", ettype, l, c); |
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1962 break; |
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1963 |
| 13246 | 1964 case token::parfor_end: |
| 1965 end_error ("parfor", ettype, l, c); | |
| 1966 break; | |
| 1967 | |
|
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1968 case token::try_catch_end: |
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1969 end_error ("try", ettype, l, c); |
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1970 break; |
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1971 |
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1972 case token::switch_end: |
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1973 end_error ("switch", ettype, l, c); |
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1974 break; |
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1975 |
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1976 case token::unwind_protect_end: |
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1977 end_error ("unwind_protect", ettype, l, c); |
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1978 break; |
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1979 |
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1980 case token::while_end: |
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1981 end_error ("while", ettype, l, c); |
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1982 break; |
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1983 |
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1984 default: |
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1985 panic_impossible (); |
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1986 break; |
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1987 } |
| 143 | 1988 } |
| 2857 | 1989 |
| 1990 return retval; | |
| 143 | 1991 } |
| 1992 | |
| 666 | 1993 // Maybe print a warning if an assignment expression is used as the |
| 1994 // test in a logical expression. | |
| 1995 | |
| 496 | 1996 static void |
| 1997 maybe_warn_assign_as_truth_value (tree_expression *expr) | |
| 1 | 1998 { |
| 5781 | 1999 if (expr->is_assignment_expression () |
| 2961 | 2000 && expr->paren_count () < 2) |
| 1 | 2001 { |
|
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2002 if (curr_fcn_file_full_name.empty ()) |
|
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2003 warning_with_id |
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2004 ("Octave:assign-as-truth-value", |
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2005 "suggest parenthesis around assignment used as truth value"); |
|
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2006 else |
|
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2007 warning_with_id |
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2008 ("Octave:assign-as-truth-value", |
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2009 "suggest parenthesis around assignment used as truth value near line %d, column %d in file `%s'", |
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2010 expr->line (), expr->column (), curr_fcn_file_full_name.c_str ()); |
| 1 | 2011 } |
| 2012 } | |
| 578 | 2013 |
| 2764 | 2014 // Maybe print a warning about switch labels that aren't constants. |
| 2015 | |
| 2016 static void | |
| 2017 maybe_warn_variable_switch_label (tree_expression *expr) | |
| 2018 { | |
| 5781 | 2019 if (! expr->is_constant ()) |
|
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2020 { |
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2021 if (curr_fcn_file_full_name.empty ()) |
|
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2022 warning_with_id ("Octave:variable-switch-label", |
|
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2023 "variable switch label"); |
|
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2024 else |
|
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2025 warning_with_id |
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2026 ("Octave:variable-switch-label", |
|
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2027 "variable switch label near line %d, column %d in file `%s'", |
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2028 expr->line (), expr->column (), curr_fcn_file_full_name.c_str ()); |
|
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2029 } |
| 2764 | 2030 } |
| 2031 | |
| 2533 | 2032 static tree_expression * |
| 2033 fold (tree_binary_expression *e) | |
| 2034 { | |
| 3110 | 2035 tree_expression *retval = e; |
| 2036 | |
|
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2037 unwind_protect frame; |
|
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|
2038 |
|
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2039 frame.protect_var (error_state); |
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2040 frame.protect_var (warning_state); |
|
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2041 |
|
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2042 frame.protect_var (discard_error_messages); |
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2043 frame.protect_var (discard_warning_messages); |
| 4452 | 2044 |
| 3815 | 2045 discard_error_messages = true; |
| 4452 | 2046 discard_warning_messages = true; |
| 2533 | 2047 |
| 2048 tree_expression *op1 = e->lhs (); | |
| 2049 tree_expression *op2 = e->rhs (); | |
| 2050 | |
|
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2051 if (op1->is_constant () && op2->is_constant ()) |
| 2533 | 2052 { |
|
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|
2053 octave_value tmp = e->rvalue1 (); |
| 2533 | 2054 |
| 3489 | 2055 if (! (error_state || warning_state)) |
|
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2056 { |
|
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2057 tree_constant *tc_retval |
|
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2058 = new tree_constant (tmp, op1->line (), op1->column ()); |
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2059 |
|
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2060 std::ostringstream buf; |
|
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2061 |
|
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2062 tree_print_code tpc (buf); |
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2063 |
|
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2064 e->accept (tpc); |
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2065 |
|
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2066 tc_retval->stash_original_text (buf.str ()); |
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2067 |
|
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2068 delete e; |
|
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2069 |
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2070 retval = tc_retval; |
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2071 } |
| 2533 | 2072 } |
| 3110 | 2073 |
| 3292 | 2074 return retval; |
| 2075 } | |
| 2076 | |
| 2077 static tree_expression * | |
| 2078 fold (tree_unary_expression *e) | |
| 2079 { | |
| 2080 tree_expression *retval = e; | |
| 2081 | |
|
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|
2082 unwind_protect frame; |
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2083 |
|
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2084 frame.protect_var (error_state); |
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2085 frame.protect_var (warning_state); |
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2086 |
|
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2087 frame.protect_var (discard_error_messages); |
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|
2088 frame.protect_var (discard_warning_messages); |
| 4452 | 2089 |
| 3815 | 2090 discard_error_messages = true; |
| 4452 | 2091 discard_warning_messages = true; |
| 3292 | 2092 |
| 2093 tree_expression *op = e->operand (); | |
| 2094 | |
| 2095 if (op->is_constant ()) | |
| 2096 { | |
|
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2097 octave_value tmp = e->rvalue1 (); |
| 3292 | 2098 |
| 3489 | 2099 if (! (error_state || warning_state)) |
|
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2100 { |
|
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2101 tree_constant *tc_retval |
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2102 = new tree_constant (tmp, op->line (), op->column ()); |
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2103 |
|
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2104 std::ostringstream buf; |
|
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2105 |
|
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|
2106 tree_print_code tpc (buf); |
|
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2107 |
|
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2108 e->accept (tpc); |
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2109 |
|
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2110 tc_retval->stash_original_text (buf.str ()); |
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2111 |
|
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2112 delete e; |
|
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2113 |
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2114 retval = tc_retval; |
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2115 } |
| 3292 | 2116 } |
| 2117 | |
| 2533 | 2118 return retval; |
| 2119 } | |
| 2120 | |
| 1623 | 2121 // Finish building a range. |
| 2122 | |
| 2123 static tree_expression * | |
| 2124 finish_colon_expression (tree_colon_expression *e) | |
| 2125 { | |
| 3110 | 2126 tree_expression *retval = e; |
| 2127 | |
|
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2128 unwind_protect frame; |
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2129 |
|
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2130 frame.protect_var (error_state); |
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2131 frame.protect_var (warning_state); |
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|
2132 |
|
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|
2133 frame.protect_var (discard_error_messages); |
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|
2134 frame.protect_var (discard_warning_messages); |
| 4452 | 2135 |
| 3815 | 2136 discard_error_messages = true; |
| 4452 | 2137 discard_warning_messages = true; |
| 1623 | 2138 |
| 2533 | 2139 tree_expression *base = e->base (); |
| 2140 tree_expression *limit = e->limit (); | |
| 2141 tree_expression *incr = e->increment (); | |
| 2142 | |
| 2970 | 2143 if (base) |
| 1623 | 2144 { |
| 2970 | 2145 if (limit) |
|
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|
2146 { |
|
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2147 if (base->is_constant () && limit->is_constant () |
|
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2148 && (! incr || (incr && incr->is_constant ()))) |
|
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2149 { |
|
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|
2150 octave_value tmp = e->rvalue1 (); |
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2151 |
|
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|
2152 if (! (error_state || warning_state)) |
|
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2153 { |
|
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|
2154 tree_constant *tc_retval |
|
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2155 = new tree_constant (tmp, base->line (), base->column ()); |
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2156 |
|
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|
2157 std::ostringstream buf; |
|
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|
2158 |
|
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|
2159 tree_print_code tpc (buf); |
|
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2160 |
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2161 e->accept (tpc); |
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2162 |
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2163 tc_retval->stash_original_text (buf.str ()); |
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2164 |
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2165 delete e; |
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2166 |
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2167 retval = tc_retval; |
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2168 } |
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2169 } |
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|
2170 } |
| 2533 | 2171 else |
|
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2172 { |
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2173 e->preserve_base (); |
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2174 delete e; |
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2175 |
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2176 // FIXME -- need to attempt constant folding here |
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2177 // too (we need a generic way to do that). |
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2178 retval = base; |
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2179 } |
| 1623 | 2180 } |
| 2181 | |
| 2182 return retval; | |
| 2183 } | |
| 2184 | |
| 1607 | 2185 // Make a constant. |
| 2186 | |
| 2375 | 2187 static tree_constant * |
| 1607 | 2188 make_constant (int op, token *tok_val) |
| 2189 { | |
| 2190 int l = tok_val->line (); | |
| 2191 int c = tok_val->column (); | |
| 2192 | |
| 3216 | 2193 tree_constant *retval = 0; |
| 1607 | 2194 |
| 2195 switch (op) | |
| 2196 { | |
| 2197 case NUM: | |
| 2533 | 2198 { |
|
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2199 octave_value tmp (tok_val->number ()); |
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2200 retval = new tree_constant (tmp, l, c); |
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2201 retval->stash_original_text (tok_val->text_rep ()); |
| 2533 | 2202 } |
| 1607 | 2203 break; |
| 2204 | |
| 2205 case IMAG_NUM: | |
| 2206 { | |
|
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2207 octave_value tmp (Complex (0.0, tok_val->number ())); |
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2208 retval = new tree_constant (tmp, l, c); |
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2209 retval->stash_original_text (tok_val->text_rep ()); |
| 1607 | 2210 } |
| 2211 break; | |
| 2212 | |
| 5279 | 2213 case DQ_STRING: |
| 2214 case SQ_STRING: | |
| 2883 | 2215 { |
|
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2216 std::string txt = tok_val->text (); |
|
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2217 |
|
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2218 char delim = op == DQ_STRING ? '"' : '\''; |
|
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2219 octave_value tmp (txt, delim); |
|
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2220 |
|
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2221 if (txt.empty ()) |
|
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2222 { |
|
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2223 if (op == DQ_STRING) |
|
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2224 tmp = octave_null_str::instance; |
|
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2225 else |
|
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2226 tmp = octave_null_sq_str::instance; |
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2227 } |
|
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|
2228 |
|
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2229 retval = new tree_constant (tmp, l, c); |
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2230 |
|
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2231 if (op == DQ_STRING) |
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2232 txt = undo_string_escapes (txt); |
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2233 |
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2234 // FIXME -- maybe this should also be handled by |
|
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2235 // tok_val->text_rep () for character strings? |
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2236 retval->stash_original_text (delim + txt + delim); |
| 2883 | 2237 } |
| 1607 | 2238 break; |
| 2239 | |
| 2240 default: | |
| 2241 panic_impossible (); | |
| 2242 break; | |
| 2243 } | |
| 2244 | |
| 2245 return retval; | |
| 2246 } | |
| 2247 | |
| 4342 | 2248 // Make a function handle. |
| 2249 | |
| 2250 static tree_fcn_handle * | |
| 2251 make_fcn_handle (token *tok_val) | |
| 2252 { | |
| 2253 int l = tok_val->line (); | |
| 2254 int c = tok_val->column (); | |
| 2255 | |
| 2256 tree_fcn_handle *retval = new tree_fcn_handle (tok_val->text (), l, c); | |
| 2257 | |
| 2258 return retval; | |
| 2259 } | |
| 2260 | |
| 4935 | 2261 // Make an anonymous function handle. |
| 2262 | |
| 5861 | 2263 static tree_anon_fcn_handle * |
| 4935 | 2264 make_anon_fcn_handle (tree_parameter_list *param_list, tree_statement *stmt) |
| 2265 { | |
| 5775 | 2266 // FIXME -- need to get these from the location of the @ symbol. |
|
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|
2267 int l = input_line_number; |
|
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|
2268 int c = current_input_column; |
| 4935 | 2269 |
| 2270 tree_parameter_list *ret_list = 0; | |
| 2271 | |
| 7336 | 2272 symbol_table::scope_id fcn_scope = symbol_table::current_scope (); |
| 5861 | 2273 |
|
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|
2274 if (parser_symtab_context.empty ()) |
| 5861 | 2275 panic_impossible (); |
| 2276 | |
|
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|
2277 parser_symtab_context.pop (); |
| 5861 | 2278 |
| 7351 | 2279 stmt->set_print_flag (false); |
| 4935 | 2280 |
| 2281 tree_statement_list *body = new tree_statement_list (stmt); | |
| 2282 | |
|
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2283 body->mark_as_anon_function_body (); |
|
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|
2284 |
| 5861 | 2285 tree_anon_fcn_handle *retval |
| 7336 | 2286 = new tree_anon_fcn_handle (param_list, ret_list, body, fcn_scope, l, c); |
|
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2287 // FIXME: Stash the filename. This does not work and produces |
|
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2288 // errors when executed. |
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|
2289 //retval->stash_file_name (curr_fcn_file_name); |
| 4935 | 2290 |
| 2291 return retval; | |
| 2292 } | |
| 2293 | |
| 666 | 2294 // Build a binary expression. |
| 2295 | |
| 578 | 2296 static tree_expression * |
| 2297 make_binary_op (int op, tree_expression *op1, token *tok_val, | |
|
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|
2298 tree_expression *op2) |
| 578 | 2299 { |
| 2883 | 2300 octave_value::binary_op t = octave_value::unknown_binary_op; |
| 1623 | 2301 |
| 578 | 2302 switch (op) |
| 2303 { | |
| 2304 case POW: | |
| 3525 | 2305 t = octave_value::op_pow; |
| 578 | 2306 break; |
| 777 | 2307 |
| 578 | 2308 case EPOW: |
| 3525 | 2309 t = octave_value::op_el_pow; |
| 578 | 2310 break; |
| 777 | 2311 |
| 578 | 2312 case '+': |
| 3525 | 2313 t = octave_value::op_add; |
| 578 | 2314 break; |
| 777 | 2315 |
| 578 | 2316 case '-': |
| 3525 | 2317 t = octave_value::op_sub; |
| 578 | 2318 break; |
| 777 | 2319 |
| 578 | 2320 case '*': |
| 3525 | 2321 t = octave_value::op_mul; |
| 578 | 2322 break; |
| 777 | 2323 |
| 578 | 2324 case '/': |
| 3525 | 2325 t = octave_value::op_div; |
| 578 | 2326 break; |
| 777 | 2327 |
| 578 | 2328 case EMUL: |
| 3525 | 2329 t = octave_value::op_el_mul; |
| 578 | 2330 break; |
| 777 | 2331 |
| 578 | 2332 case EDIV: |
| 3525 | 2333 t = octave_value::op_el_div; |
| 578 | 2334 break; |
| 777 | 2335 |
| 578 | 2336 case LEFTDIV: |
| 3525 | 2337 t = octave_value::op_ldiv; |
| 578 | 2338 break; |
| 777 | 2339 |
| 578 | 2340 case ELEFTDIV: |
| 3525 | 2341 t = octave_value::op_el_ldiv; |
| 578 | 2342 break; |
| 777 | 2343 |
| 2899 | 2344 case LSHIFT: |
| 3525 | 2345 t = octave_value::op_lshift; |
| 2899 | 2346 break; |
| 2347 | |
| 2348 case RSHIFT: | |
| 3525 | 2349 t = octave_value::op_rshift; |
| 2899 | 2350 break; |
| 2351 | |
| 578 | 2352 case EXPR_LT: |
| 3525 | 2353 t = octave_value::op_lt; |
| 578 | 2354 break; |
| 777 | 2355 |
| 578 | 2356 case EXPR_LE: |
| 3525 | 2357 t = octave_value::op_le; |
| 578 | 2358 break; |
| 777 | 2359 |
| 578 | 2360 case EXPR_EQ: |
| 3525 | 2361 t = octave_value::op_eq; |
| 578 | 2362 break; |
| 777 | 2363 |
| 578 | 2364 case EXPR_GE: |
| 3525 | 2365 t = octave_value::op_ge; |
| 578 | 2366 break; |
| 777 | 2367 |
| 578 | 2368 case EXPR_GT: |
| 3525 | 2369 t = octave_value::op_gt; |
| 578 | 2370 break; |
| 777 | 2371 |
| 578 | 2372 case EXPR_NE: |
| 3525 | 2373 t = octave_value::op_ne; |
| 578 | 2374 break; |
| 777 | 2375 |
| 578 | 2376 case EXPR_AND: |
| 3525 | 2377 t = octave_value::op_el_and; |
| 578 | 2378 break; |
| 777 | 2379 |
| 578 | 2380 case EXPR_OR: |
| 3525 | 2381 t = octave_value::op_el_or; |
| 578 | 2382 break; |
| 777 | 2383 |
| 578 | 2384 default: |
| 2385 panic_impossible (); | |
| 2386 break; | |
| 2387 } | |
| 2388 | |
| 2389 int l = tok_val->line (); | |
| 2390 int c = tok_val->column (); | |
| 2391 | |
| 2533 | 2392 tree_binary_expression *e |
|
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2393 = maybe_compound_binary_expression (op1, op2, l, c, t); |
| 1623 | 2394 |
| 2533 | 2395 return fold (e); |
| 578 | 2396 } |
| 2397 | |
| 2375 | 2398 // Build a boolean expression. |
| 666 | 2399 |
| 578 | 2400 static tree_expression * |
| 2375 | 2401 make_boolean_op (int op, tree_expression *op1, token *tok_val, |
|
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2402 tree_expression *op2) |
| 578 | 2403 { |
| 2375 | 2404 tree_boolean_expression::type t; |
| 2405 | |
| 578 | 2406 switch (op) |
| 2407 { | |
| 2375 | 2408 case EXPR_AND_AND: |
| 2805 | 2409 t = tree_boolean_expression::bool_and; |
| 578 | 2410 break; |
| 777 | 2411 |
| 2375 | 2412 case EXPR_OR_OR: |
| 2805 | 2413 t = tree_boolean_expression::bool_or; |
| 578 | 2414 break; |
| 777 | 2415 |
| 578 | 2416 default: |
| 2417 panic_impossible (); | |
| 2418 break; | |
| 2419 } | |
| 2420 | |
| 2421 int l = tok_val->line (); | |
| 2422 int c = tok_val->column (); | |
| 2423 | |
| 2533 | 2424 tree_boolean_expression *e |
| 2425 = new tree_boolean_expression (op1, op2, l, c, t); | |
| 2375 | 2426 |
| 2533 | 2427 return fold (e); |
| 578 | 2428 } |
| 2429 | |
| 2375 | 2430 // Build a prefix expression. |
| 666 | 2431 |
| 578 | 2432 static tree_expression * |
| 2960 | 2433 make_prefix_op (int op, tree_expression *op1, token *tok_val) |
| 578 | 2434 { |
| 3203 | 2435 octave_value::unary_op t = octave_value::unknown_unary_op; |
| 2375 | 2436 |
| 578 | 2437 switch (op) |
| 2438 { | |
| 2960 | 2439 case EXPR_NOT: |
| 3525 | 2440 t = octave_value::op_not; |
| 2960 | 2441 break; |
| 2442 | |
| 4965 | 2443 case '+': |
| 2444 t = octave_value::op_uplus; | |
| 2445 break; | |
| 2446 | |
| 2960 | 2447 case '-': |
| 3525 | 2448 t = octave_value::op_uminus; |
| 2960 | 2449 break; |
| 2450 | |
| 578 | 2451 case PLUS_PLUS: |
| 3525 | 2452 t = octave_value::op_incr; |
| 578 | 2453 break; |
| 777 | 2454 |
| 578 | 2455 case MINUS_MINUS: |
| 3525 | 2456 t = octave_value::op_decr; |
| 578 | 2457 break; |
| 777 | 2458 |
| 578 | 2459 default: |
| 2460 panic_impossible (); | |
| 2461 break; | |
| 2462 } | |
| 2463 | |
| 2464 int l = tok_val->line (); | |
| 2465 int c = tok_val->column (); | |
| 2466 | |
| 3292 | 2467 tree_prefix_expression *e |
| 2468 = new tree_prefix_expression (op1, l, c, t); | |
| 2469 | |
| 2470 return fold (e); | |
| 578 | 2471 } |
| 2472 | |
| 2375 | 2473 // Build a postfix expression. |
| 666 | 2474 |
| 578 | 2475 static tree_expression * |
| 2960 | 2476 make_postfix_op (int op, tree_expression *op1, token *tok_val) |
| 578 | 2477 { |
| 3203 | 2478 octave_value::unary_op t = octave_value::unknown_unary_op; |
| 1623 | 2479 |
| 578 | 2480 switch (op) |
| 2481 { | |
| 2960 | 2482 case QUOTE: |
| 3525 | 2483 t = octave_value::op_hermitian; |
| 2960 | 2484 break; |
| 2485 | |
| 2486 case TRANSPOSE: | |
| 3525 | 2487 t = octave_value::op_transpose; |
| 2960 | 2488 break; |
| 2489 | |
| 2375 | 2490 case PLUS_PLUS: |
| 3525 | 2491 t = octave_value::op_incr; |
| 578 | 2492 break; |
| 777 | 2493 |
| 2375 | 2494 case MINUS_MINUS: |
| 3525 | 2495 t = octave_value::op_decr; |
| 578 | 2496 break; |
| 777 | 2497 |
| 578 | 2498 default: |
| 2499 panic_impossible (); | |
| 2500 break; | |
| 2501 } | |
| 2502 | |
| 2503 int l = tok_val->line (); | |
| 2504 int c = tok_val->column (); | |
| 2505 | |
| 3292 | 2506 tree_postfix_expression *e |
| 2507 = new tree_postfix_expression (op1, l, c, t); | |
| 2508 | |
| 2509 return fold (e); | |
| 1623 | 2510 } |
| 2511 | |
| 2512 // Build an unwind-protect command. | |
| 2513 | |
| 2514 static tree_command * | |
| 2515 make_unwind_command (token *unwind_tok, tree_statement_list *body, | |
|
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2516 tree_statement_list *cleanup, token *end_tok, |
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2517 octave_comment_list *lc, octave_comment_list *mc) |
| 1623 | 2518 { |
| 2519 tree_command *retval = 0; | |
| 2520 | |
| 2857 | 2521 if (end_token_ok (end_tok, token::unwind_protect_end)) |
| 1623 | 2522 { |
| 3665 | 2523 octave_comment_list *tc = octave_comment_buffer::get_comment (); |
| 2524 | |
| 1623 | 2525 int l = unwind_tok->line (); |
| 2526 int c = unwind_tok->column (); | |
| 2527 | |
| 3665 | 2528 retval = new tree_unwind_protect_command (body, cleanup, |
|
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2529 lc, mc, tc, l, c); |
| 1623 | 2530 } |
| 2531 | |
| 2532 return retval; | |
| 2533 } | |
| 2534 | |
| 2535 // Build a try-catch command. | |
| 2536 | |
| 2537 static tree_command * | |
| 2538 make_try_command (token *try_tok, tree_statement_list *body, | |
|
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2539 tree_statement_list *cleanup, token *end_tok, |
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2540 octave_comment_list *lc, octave_comment_list *mc) |
| 1623 | 2541 { |
| 2542 tree_command *retval = 0; | |
| 2543 | |
| 2857 | 2544 if (end_token_ok (end_tok, token::try_catch_end)) |
| 1623 | 2545 { |
| 3665 | 2546 octave_comment_list *tc = octave_comment_buffer::get_comment (); |
| 2547 | |
| 1623 | 2548 int l = try_tok->line (); |
| 2549 int c = try_tok->column (); | |
| 2550 | |
| 3665 | 2551 retval = new tree_try_catch_command (body, cleanup, |
|
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2552 lc, mc, tc, l, c); |
| 1623 | 2553 } |
| 2554 | |
| 2555 return retval; | |
| 2556 } | |
| 2557 | |
| 2558 // Build a while command. | |
| 2559 | |
| 2560 static tree_command * | |
| 2561 make_while_command (token *while_tok, tree_expression *expr, | |
|
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2562 tree_statement_list *body, token *end_tok, |
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2563 octave_comment_list *lc) |
| 1623 | 2564 { |
| 2565 tree_command *retval = 0; | |
| 2566 | |
| 2567 maybe_warn_assign_as_truth_value (expr); | |
| 2568 | |
| 2857 | 2569 if (end_token_ok (end_tok, token::while_end)) |
| 1623 | 2570 { |
| 3665 | 2571 octave_comment_list *tc = octave_comment_buffer::get_comment (); |
| 2572 | |
| 1826 | 2573 lexer_flags.looping--; |
| 1623 | 2574 |
| 2575 int l = while_tok->line (); | |
| 2576 int c = while_tok->column (); | |
| 2577 | |
| 3665 | 2578 retval = new tree_while_command (expr, body, lc, tc, l, c); |
| 1623 | 2579 } |
| 2580 | |
| 2581 return retval; | |
| 2582 } | |
| 2583 | |
| 3484 | 2584 // Build a do-until command. |
| 2585 | |
| 2586 static tree_command * | |
|
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2587 make_do_until_command (token *until_tok, tree_statement_list *body, |
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2588 tree_expression *expr, octave_comment_list *lc) |
| 3484 | 2589 { |
| 2590 tree_command *retval = 0; | |
| 2591 | |
| 2592 maybe_warn_assign_as_truth_value (expr); | |
| 2593 | |
| 3665 | 2594 octave_comment_list *tc = octave_comment_buffer::get_comment (); |
| 2595 | |
| 3484 | 2596 lexer_flags.looping--; |
| 2597 | |
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2598 int l = until_tok->line (); |
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2599 int c = until_tok->column (); |
| 3484 | 2600 |
| 3665 | 2601 retval = new tree_do_until_command (expr, body, lc, tc, l, c); |
| 3484 | 2602 |
| 2603 return retval; | |
| 2604 } | |
| 2605 | |
| 1623 | 2606 // Build a for command. |
| 2607 | |
| 2608 static tree_command * | |
|
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2609 make_for_command (int tok_id, token *for_tok, tree_argument_list *lhs, |
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2610 tree_expression *expr, tree_expression *maxproc, |
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2611 tree_statement_list *body, token *end_tok, |
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2612 octave_comment_list *lc) |
| 1623 | 2613 { |
| 2614 tree_command *retval = 0; | |
| 2615 | |
|
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2616 bool parfor = tok_id == PARFOR; |
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2617 |
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|
2618 if (end_token_ok (end_tok, parfor ? token::parfor_end : token::for_end)) |
| 1623 | 2619 { |
| 3665 | 2620 octave_comment_list *tc = octave_comment_buffer::get_comment (); |
| 2621 | |
| 1826 | 2622 lexer_flags.looping--; |
| 1623 | 2623 |
| 2624 int l = for_tok->line (); | |
| 2625 int c = for_tok->column (); | |
| 2626 | |
| 2970 | 2627 if (lhs->length () == 1) |
|
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2628 { |
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2629 tree_expression *tmp = lhs->remove_front (); |
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2630 |
|
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2631 retval = new tree_simple_for_command (parfor, tmp, expr, maxproc, |
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2632 body, lc, tc, l, c); |
|
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2633 |
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2634 delete lhs; |
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2635 } |
| 2970 | 2636 else |
|
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2637 { |
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2638 if (parfor) |
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2639 yyerror ("invalid syntax for parfor statement"); |
|
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2640 else |
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2641 retval = new tree_complex_for_command (lhs, expr, body, |
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2642 lc, tc, l, c); |
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2643 } |
| 1623 | 2644 } |
| 2645 | |
| 2646 return retval; | |
| 2647 } | |
| 2648 | |
| 4207 | 2649 // Build a break command. |
| 2650 | |
| 2651 static tree_command * | |
| 2652 make_break_command (token *break_tok) | |
| 1623 | 2653 { |
| 4207 | 2654 tree_command *retval = 0; |
| 1623 | 2655 |
| 2620 | 2656 int l = break_tok->line (); |
| 2657 int c = break_tok->column (); | |
| 2658 | |
|
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2659 retval = new tree_break_command (l, c); |
| 1623 | 2660 |
| 2661 return retval; | |
| 2662 } | |
| 2663 | |
| 4207 | 2664 // Build a continue command. |
| 2665 | |
| 2666 static tree_command * | |
| 2667 make_continue_command (token *continue_tok) | |
| 1623 | 2668 { |
| 4207 | 2669 tree_command *retval = 0; |
| 1623 | 2670 |
| 2620 | 2671 int l = continue_tok->line (); |
| 2672 int c = continue_tok->column (); | |
| 2673 | |
|
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2674 retval = new tree_continue_command (l, c); |
| 1623 | 2675 |
| 2676 return retval; | |
| 2677 } | |
| 2678 | |
| 4207 | 2679 // Build a return command. |
| 2680 | |
| 2681 static tree_command * | |
| 2682 make_return_command (token *return_tok) | |
| 1623 | 2683 { |
| 4207 | 2684 tree_command *retval = 0; |
| 1623 | 2685 |
| 2620 | 2686 int l = return_tok->line (); |
| 2687 int c = return_tok->column (); | |
| 2688 | |
|
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|
2689 retval = new tree_return_command (l, c); |
| 1623 | 2690 |
| 2691 return retval; | |
| 2692 } | |
| 2693 | |
| 2694 // Start an if command. | |
| 2695 | |
| 2696 static tree_if_command_list * | |
| 2697 start_if_command (tree_expression *expr, tree_statement_list *list) | |
| 2698 { | |
| 2699 maybe_warn_assign_as_truth_value (expr); | |
| 2700 | |
| 2701 tree_if_clause *t = new tree_if_clause (expr, list); | |
| 2702 | |
| 2703 return new tree_if_command_list (t); | |
| 2704 } | |
| 2705 | |
| 2706 // Finish an if command. | |
| 2707 | |
| 2708 static tree_if_command * | |
| 2709 finish_if_command (token *if_tok, tree_if_command_list *list, | |
|
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2710 token *end_tok, octave_comment_list *lc) |
| 1623 | 2711 { |
| 2712 tree_if_command *retval = 0; | |
| 2713 | |
| 2857 | 2714 if (end_token_ok (end_tok, token::if_end)) |
| 1623 | 2715 { |
| 3665 | 2716 octave_comment_list *tc = octave_comment_buffer::get_comment (); |
| 2717 | |
| 1623 | 2718 int l = if_tok->line (); |
| 2719 int c = if_tok->column (); | |
| 2720 | |
|
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2721 if (list && ! list->empty ()) |
|
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2722 { |
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2723 tree_if_clause *elt = list->front (); |
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2724 |
|
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2725 if (elt) |
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2726 { |
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2727 elt->line (l); |
|
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2728 elt->column (c); |
|
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2729 } |
|
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|
2730 } |
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|
2731 |
| 3665 | 2732 retval = new tree_if_command (list, lc, tc, l, c); |
| 1623 | 2733 } |
| 2734 | |
| 2735 return retval; | |
| 2736 } | |
| 2737 | |
| 2738 // Build an elseif clause. | |
| 2739 | |
| 2740 static tree_if_clause * | |
|
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2741 make_elseif_clause (token *elseif_tok, tree_expression *expr, |
|
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2742 tree_statement_list *list, octave_comment_list *lc) |
| 1623 | 2743 { |
| 2744 maybe_warn_assign_as_truth_value (expr); | |
| 2745 | |
|
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2746 int l = elseif_tok->line (); |
|
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2747 int c = elseif_tok->column (); |
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2748 |
|
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|
2749 return new tree_if_clause (expr, list, lc, l, c); |
| 1623 | 2750 } |
| 2751 | |
| 2764 | 2752 // Finish a switch command. |
| 2753 | |
| 2754 static tree_switch_command * | |
| 2755 finish_switch_command (token *switch_tok, tree_expression *expr, | |
|
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2756 tree_switch_case_list *list, token *end_tok, |
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2757 octave_comment_list *lc) |
| 2764 | 2758 { |
| 2759 tree_switch_command *retval = 0; | |
| 2760 | |
| 2857 | 2761 if (end_token_ok (end_tok, token::switch_end)) |
| 2764 | 2762 { |
| 3665 | 2763 octave_comment_list *tc = octave_comment_buffer::get_comment (); |
| 2764 | |
| 2764 | 2765 int l = switch_tok->line (); |
| 2766 int c = switch_tok->column (); | |
| 2767 | |
|
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2768 if (list && ! list->empty ()) |
|
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2769 { |
|
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2770 tree_switch_case *elt = list->front (); |
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2771 |
|
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2772 if (elt) |
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2773 { |
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2774 elt->line (l); |
|
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2775 elt->column (c); |
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|
2776 } |
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2777 } |
|
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|
2778 |
| 3665 | 2779 retval = new tree_switch_command (expr, list, lc, tc, l, c); |
| 2764 | 2780 } |
| 2781 | |
| 2782 return retval; | |
| 2783 } | |
| 2784 | |
| 2785 // Build a switch case. | |
| 2786 | |
| 2787 static tree_switch_case * | |
|
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|
2788 make_switch_case (token *case_tok, tree_expression *expr, |
|
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2789 tree_statement_list *list, octave_comment_list *lc) |
| 2764 | 2790 { |
| 2791 maybe_warn_variable_switch_label (expr); | |
| 2792 | |
|
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2793 int l = case_tok->line (); |
|
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2794 int c = case_tok->column (); |
|
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2795 |
|
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|
2796 return new tree_switch_case (expr, list, lc, l, c); |
| 2764 | 2797 } |
| 2798 | |
| 1623 | 2799 // Build an assignment to a variable. |
| 2800 | |
| 2801 static tree_expression * | |
| 2970 | 2802 make_assign_op (int op, tree_argument_list *lhs, token *eq_tok, |
|
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changeset
|
2803 tree_expression *rhs) |
| 1623 | 2804 { |
| 2970 | 2805 tree_expression *retval = 0; |
| 2806 | |
| 2883 | 2807 octave_value::assign_op t = octave_value::unknown_assign_op; |
| 2808 | |
| 2809 switch (op) | |
| 2810 { | |
| 2811 case '=': | |
| 3525 | 2812 t = octave_value::op_asn_eq; |
| 2883 | 2813 break; |
| 2814 | |
| 2815 case ADD_EQ: | |
| 3525 | 2816 t = octave_value::op_add_eq; |
| 2883 | 2817 break; |
| 2818 | |
| 2819 case SUB_EQ: | |
| 3525 | 2820 t = octave_value::op_sub_eq; |
| 2883 | 2821 break; |
| 2822 | |
| 2823 case MUL_EQ: | |
| 3525 | 2824 t = octave_value::op_mul_eq; |
| 2883 | 2825 break; |
| 2826 | |
| 2827 case DIV_EQ: | |
| 3525 | 2828 t = octave_value::op_div_eq; |
| 2883 | 2829 break; |
| 2830 | |
| 3204 | 2831 case LEFTDIV_EQ: |
| 3525 | 2832 t = octave_value::op_ldiv_eq; |
| 3204 | 2833 break; |
| 2834 | |
| 4018 | 2835 case POW_EQ: |
| 2836 t = octave_value::op_pow_eq; | |
| 2837 break; | |
| 2838 | |
| 2899 | 2839 case LSHIFT_EQ: |
| 3525 | 2840 t = octave_value::op_lshift_eq; |
| 2899 | 2841 break; |
| 2842 | |
| 2843 case RSHIFT_EQ: | |
| 3525 | 2844 t = octave_value::op_rshift_eq; |
| 2899 | 2845 break; |
| 2846 | |
| 2883 | 2847 case EMUL_EQ: |
| 3525 | 2848 t = octave_value::op_el_mul_eq; |
| 2883 | 2849 break; |
| 2850 | |
| 2851 case EDIV_EQ: | |
| 3525 | 2852 t = octave_value::op_el_div_eq; |
| 2883 | 2853 break; |
| 2854 | |
| 3204 | 2855 case ELEFTDIV_EQ: |
| 3525 | 2856 t = octave_value::op_el_ldiv_eq; |
| 3204 | 2857 break; |
| 2858 | |
| 4018 | 2859 case EPOW_EQ: |
| 2860 t = octave_value::op_el_pow_eq; | |
| 2861 break; | |
| 2862 | |
| 2883 | 2863 case AND_EQ: |
| 3525 | 2864 t = octave_value::op_el_and_eq; |
| 2883 | 2865 break; |
| 2866 | |
| 2867 case OR_EQ: | |
| 3525 | 2868 t = octave_value::op_el_or_eq; |
| 2883 | 2869 break; |
| 2870 | |
| 2871 default: | |
| 2872 panic_impossible (); | |
| 2873 break; | |
| 2874 } | |
| 2875 | |
| 1623 | 2876 int l = eq_tok->line (); |
| 2877 int c = eq_tok->column (); | |
| 2878 | |
| 5841 | 2879 if (lhs->is_simple_assign_lhs ()) |
| 666 | 2880 { |
| 2970 | 2881 tree_expression *tmp = lhs->remove_front (); |
| 2882 | |
| 2883 retval = new tree_simple_assignment (tmp, rhs, false, l, c, t); | |
| 2884 | |
| 2885 delete lhs; | |
| 666 | 2886 } |
|
10230
0a5a769b8fc0
disallow computed multiple assignment
Jaroslav Hajek <highegg@gmail.com>
parents:
10207
diff
changeset
|
2887 else if (t == octave_value::op_asn_eq) |
|
0a5a769b8fc0
disallow computed multiple assignment
Jaroslav Hajek <highegg@gmail.com>
parents:
10207
diff
changeset
|
2888 return new tree_multi_assignment (lhs, rhs, false, l, c); |
| 666 | 2889 else |
|
10230
0a5a769b8fc0
disallow computed multiple assignment
Jaroslav Hajek <highegg@gmail.com>
parents:
10207
diff
changeset
|
2890 yyerror ("computed multiple assignment not allowed"); |
| 666 | 2891 |
| 2892 return retval; | |
| 2893 } | |
| 751 | 2894 |
|
9474
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2895 // Define a script. |
|
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2896 |
|
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2897 static void |
|
8658
73c4516fae10
New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
8471
diff
changeset
|
2898 make_script (tree_statement_list *cmds, tree_statement *end_script) |
|
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2899 { |
|
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2900 std::string doc_string; |
|
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2901 |
|
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2902 if (! help_buf.empty ()) |
|
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2903 { |
|
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2904 doc_string = help_buf.top (); |
|
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2905 help_buf.pop (); |
|
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2906 } |
|
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2907 |
|
8658
73c4516fae10
New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
8471
diff
changeset
|
2908 if (! cmds) |
|
73c4516fae10
New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
8471
diff
changeset
|
2909 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
|
2910 |
|
73c4516fae10
New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
8471
diff
changeset
|
2911 cmds->append (end_script); |
|
73c4516fae10
New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
8471
diff
changeset
|
2912 |
|
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2913 octave_user_script *script |
|
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2914 = new octave_user_script (curr_fcn_file_full_name, curr_fcn_file_name, |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2915 cmds, doc_string); |
|
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2916 |
|
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2917 octave_time now; |
|
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2918 |
|
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2919 script->stash_fcn_file_time (now); |
|
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2920 |
|
9474
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2921 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
|
2922 |
|
9009
da58ec8f62e8
tag bug don't define forced variables
John W. Eaton <jwe@octave.org>
parents:
8974
diff
changeset
|
2923 // 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
|
2924 // 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
|
2925 |
|
da58ec8f62e8
tag bug don't define forced variables
John W. Eaton <jwe@octave.org>
parents:
8974
diff
changeset
|
2926 symbol_table::unmark_forced_variables (); |
|
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2927 } |
|
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
2928 |
| 1623 | 2929 // Begin defining a function. |
| 2930 | |
| 2891 | 2931 static octave_user_function * |
|
8658
73c4516fae10
New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
8471
diff
changeset
|
2932 start_function (tree_parameter_list *param_list, tree_statement_list *body, |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2933 tree_statement *end_fcn_stmt) |
| 1623 | 2934 { |
| 2891 | 2935 // We'll fill in the return list later. |
| 2936 | |
|
8658
73c4516fae10
New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
8471
diff
changeset
|
2937 if (! body) |
|
73c4516fae10
New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
8471
diff
changeset
|
2938 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
|
2939 |
|
73c4516fae10
New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
8471
diff
changeset
|
2940 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
|
2941 |
| 2891 | 2942 octave_user_function *fcn |
| 7336 | 2943 = 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
|
2944 param_list, 0, body); |
| 1623 | 2945 |
| 3665 | 2946 if (fcn) |
| 2947 { | |
| 2948 octave_comment_list *tc = octave_comment_buffer::get_comment (); | |
| 2949 | |
| 2950 fcn->stash_trailing_comment (tc); | |
| 2951 } | |
| 2952 | |
| 1623 | 2953 return fcn; |
| 2954 } | |
| 2955 | |
|
8658
73c4516fae10
New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
8471
diff
changeset
|
2956 static tree_statement * |
|
73c4516fae10
New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
8471
diff
changeset
|
2957 make_end (const std::string& type, int l, int c) |
|
73c4516fae10
New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
8471
diff
changeset
|
2958 { |
|
73c4516fae10
New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
8471
diff
changeset
|
2959 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
|
2960 } |
|
73c4516fae10
New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
8471
diff
changeset
|
2961 |
| 1623 | 2962 // Do most of the work for defining a function. |
| 2963 | |
| 2891 | 2964 static octave_user_function * |
| 4872 | 2965 frob_function (const std::string& fname, octave_user_function *fcn) |
| 1623 | 2966 { |
| 4872 | 2967 std::string id_name = fname; |
| 1623 | 2968 |
| 2969 // If input is coming from a file, issue a warning if the name of | |
| 2970 // the file does not match the name of the function stated in the | |
| 2971 // file. Matlab doesn't provide a diagnostic (it ignores the stated | |
| 2972 // name). | |
|
9474
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2973 if (! autoloading && reading_fcn_file |
|
14507
3f21c0c34b8f
check for function/file name mismatch when parsing class methods
John W. Eaton <jwe@octave.org>
parents:
14360
diff
changeset
|
2974 && current_function_depth == 1 && ! parsing_subfunctions) |
|
9474
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2975 { |
|
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2976 // FIXME -- should curr_fcn_file_name already be |
|
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2977 // 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
|
2978 // problem with relative file names. |
|
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2979 |
|
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2980 std::string nm = curr_fcn_file_name; |
|
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2981 |
|
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2982 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
|
2983 |
|
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2984 if (pos != std::string::npos) |
|
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2985 nm = curr_fcn_file_name.substr (pos+1); |
|
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2986 |
|
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2987 if (nm != id_name) |
|
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2988 { |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2989 warning_with_id |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2990 ("Octave:function-name-clash", |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2991 "function name `%s' does not agree with function file name `%s'", |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2992 id_name.c_str (), curr_fcn_file_full_name.c_str ()); |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2993 |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
2994 id_name = nm; |
|
9474
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2995 } |
|
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
2996 } |
| 1623 | 2997 |
| 9476 | 2998 if (reading_fcn_file || reading_classdef_file || autoloading) |
| 1623 | 2999 { |
| 3712 | 3000 octave_time now; |
| 3162 | 3001 |
| 4343 | 3002 fcn->stash_fcn_file_name (curr_fcn_file_full_name); |
| 3162 | 3003 fcn->stash_fcn_file_time (now); |
| 1623 | 3004 fcn->mark_as_system_fcn_file (); |
| 3162 | 3005 |
| 6323 | 3006 if (fcn_file_from_relative_lookup) |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3007 fcn->mark_relative (); |
| 6323 | 3008 |
|
9474
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
3009 if (current_function_depth > 1 || parsing_subfunctions) |
|
7968
0d607e8dbbfa
eliminate curr_parent_function; fix subfunction lookup
John W. Eaton <jwe@octave.org>
parents:
7903
diff
changeset
|
3010 { |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3011 fcn->stash_parent_fcn_name (curr_fcn_file_name); |
|
14544
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
3012 |
|
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
3013 if (current_function_depth > 1) |
|
14846
460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents:
14584
diff
changeset
|
3014 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
|
3015 else |
|
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
3016 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
|
3017 } |
| 6323 | 3018 |
| 7336 | 3019 if (lexer_flags.parsing_class_method) |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3020 { |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3021 if (current_class_name == id_name) |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3022 fcn->mark_as_class_constructor (); |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3023 else |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3024 fcn->mark_as_class_method (); |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3025 |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3026 fcn->stash_dispatch_class (current_class_name); |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3027 } |
| 7336 | 3028 |
| 5781 | 3029 std::string nm = fcn->fcn_file_name (); |
| 3030 | |
| 3031 file_stat fs (nm); | |
| 3032 | |
| 3033 if (fs && fs.is_newer (now)) | |
| 3034 warning_with_id ("Octave:future-time-stamp", | |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3035 "time stamp for `%s' is in the future", nm.c_str ()); |
| 1623 | 3036 } |
| 3037 else if (! (input_from_tmp_history_file || input_from_startup_file) | |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3038 && reading_script_file |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3039 && curr_fcn_file_name == id_name) |
| 1623 | 3040 { |
| 3041 warning ("function `%s' defined within script file `%s'", | |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3042 id_name.c_str (), curr_fcn_file_full_name.c_str ()); |
| 1623 | 3043 } |
| 3044 | |
| 4872 | 3045 fcn->stash_function_name (id_name); |
|
12783
ad9263d965dc
First experimental profiler implementation with flat profile.
Daniel Kraft <d@domob.eu>
parents:
12729
diff
changeset
|
3046 fcn->stash_fcn_location (input_line_number, current_input_column); |
| 4872 | 3047 |
|
9474
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
3048 if (! help_buf.empty () && current_function_depth == 1 |
|
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
3049 && ! parsing_subfunctions) |
| 7336 | 3050 { |
| 3051 fcn->document (help_buf.top ()); | |
| 3052 | |
| 3053 help_buf.pop (); | |
| 3054 } | |
| 3055 | |
|
9474
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
3056 if (reading_fcn_file && current_function_depth == 1 |
|
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
3057 && ! parsing_subfunctions) |
|
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
3058 primary_fcn_ptr = fcn; |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
3059 |
| 1623 | 3060 return fcn; |
| 3061 } | |
| 3062 | |
|
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3063 static tree_function_def * |
| 3665 | 3064 finish_function (tree_parameter_list *ret_list, |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3065 octave_user_function *fcn, octave_comment_list *lc) |
| 1623 | 3066 { |
|
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3067 tree_function_def *retval = 0; |
|
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3068 |
|
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3069 if (ret_list) |
|
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3070 ret_list->mark_as_formal_parameters (); |
|
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3071 |
|
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3072 if (fcn) |
|
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3073 { |
|
7761
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7755
diff
changeset
|
3074 std::string nm = fcn->name (); |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7755
diff
changeset
|
3075 std::string file = fcn->fcn_file_name (); |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7755
diff
changeset
|
3076 |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7755
diff
changeset
|
3077 std::string tmp = nm; |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7755
diff
changeset
|
3078 if (! file.empty ()) |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3079 tmp += ": " + file; |
|
7761
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7755
diff
changeset
|
3080 |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7755
diff
changeset
|
3081 symbol_table::cache_name (fcn->scope (), tmp); |
|
5adeea5de26c
symbol table reporting functions
John W. Eaton <jwe@octave.org>
parents:
7755
diff
changeset
|
3082 |
|
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3083 if (lc) |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3084 fcn->stash_leading_comment (lc); |
|
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3085 |
|
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3086 fcn->define_ret_list (ret_list); |
|
7755
ea9cb4d68dbf
avoid installing subfunctions twice
John W. Eaton <jwe@octave.org>
parents:
7750
diff
changeset
|
3087 |
|
9474
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
3088 if (current_function_depth > 1 || parsing_subfunctions) |
|
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
3089 { |
|
11461
2b8531a6a3c9
Change mentions of "nested function" to the less misleading "subfunction"
David Grundberg <individ@acc.umu.se>
parents:
11388
diff
changeset
|
3090 fcn->mark_as_subfunction (); |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3091 |
|
14544
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
3092 if (endfunction_found && function_scopes.size () > 1) |
|
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
3093 { |
|
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
3094 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
|
3095 = function_scopes[function_scopes.size ()-2]; |
|
14544
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
3096 |
|
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
3097 symbol_table::install_nestfunction (nm, octave_value (fcn), |
|
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
3098 pscope); |
|
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
3099 } |
|
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
3100 else |
|
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
3101 symbol_table::install_subfunction (nm, octave_value (fcn), |
|
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
3102 primary_fcn_scope); |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3103 } |
|
9474
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
3104 |
|
14544
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
3105 if (current_function_depth == 1 && fcn) |
|
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
3106 symbol_table::update_nest (fcn->scope ()); |
|
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
3107 |
|
14512
e0d66b8b0c63
Avoid double delete for nested functions in commandline
Max Brister <max@2bass.com>
parents:
14507
diff
changeset
|
3108 if (! reading_fcn_file && current_function_depth == 1) |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3109 { |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3110 // 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
|
3111 // 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
|
3112 // 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
|
3113 // 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
|
3114 // 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
|
3115 // 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
|
3116 // 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
|
3117 // parse_fcn_file, and |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3118 // 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
|
3119 |
|
5f8971be8e12
parse.y (finish_function): retrun function object unless parsing function file
John W. Eaton <jwe@octave.org>
parents:
9506
diff
changeset
|
3120 retval = new tree_function_def (fcn); |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3121 } |
|
8282
47a3d2f829e4
clear local symbol table after parsing function
John W. Eaton <jwe@octave.org>
parents:
8150
diff
changeset
|
3122 |
|
9009
da58ec8f62e8
tag bug don't define forced variables
John W. Eaton <jwe@octave.org>
parents:
8974
diff
changeset
|
3123 // 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
|
3124 // 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
|
3125 // in lex.l). |
|
da58ec8f62e8
tag bug don't define forced variables
John W. Eaton <jwe@octave.org>
parents:
8974
diff
changeset
|
3126 |
|
da58ec8f62e8
tag bug don't define forced variables
John W. Eaton <jwe@octave.org>
parents:
8974
diff
changeset
|
3127 symbol_table::unmark_forced_variables (fcn->scope ()); |
|
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3128 } |
|
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3129 |
|
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3130 return retval; |
| 1623 | 3131 } |
| 3132 | |
| 2883 | 3133 static void |
| 3134 recover_from_parsing_function (void) | |
| 3135 { | |
|
14329
8d1ae996c122
also save and restore symbol table context in parser (bug #35448)
John W. Eaton <jwe@octave.org>
parents:
14294
diff
changeset
|
3136 if (parser_symtab_context.empty ()) |
| 3903 | 3137 panic_impossible (); |
| 3138 | |
|
14329
8d1ae996c122
also save and restore symbol table context in parser (bug #35448)
John W. Eaton <jwe@octave.org>
parents:
14294
diff
changeset
|
3139 parser_symtab_context.pop (); |
| 2883 | 3140 |
|
9474
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
3141 if (reading_fcn_file && current_function_depth == 1 |
|
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
3142 && ! parsing_subfunctions) |
|
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
3143 parsing_subfunctions = true; |
|
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
3144 |
|
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
3145 current_function_depth--; |
|
14544
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
3146 function_scopes.pop_back (); |
|
9474
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
3147 |
|
11367
b2191ebea12f
don't process input_event_hook when we are parsing a function
John W. Eaton <jwe@octave.org>
parents:
11317
diff
changeset
|
3148 lexer_flags.defining_func--; |
|
11464
21b5284fa78d
avoid error when parsing nested functions
John W. Eaton <jwe@octave.org>
parents:
11461
diff
changeset
|
3149 lexer_flags.parsed_function_name.pop (); |
| 2883 | 3150 lexer_flags.looking_at_return_list = false; |
| 3151 lexer_flags.looking_at_parameter_list = false; | |
| 3152 } | |
| 3153 | |
| 2846 | 3154 // Make an index expression. |
| 3155 | |
| 751 | 3156 static tree_index_expression * |
| 3929 | 3157 make_index_expression (tree_expression *expr, tree_argument_list *args, |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3158 char type) |
| 751 | 3159 { |
| 3160 tree_index_expression *retval = 0; | |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
3161 |
|
10206
37a08e0ce2dc
support Matlab-style empty output/input arguments
Jaroslav Hajek <highegg@gmail.com>
parents:
10188
diff
changeset
|
3162 if (args && args->has_magic_tilde ()) |
|
37a08e0ce2dc
support Matlab-style empty output/input arguments
Jaroslav Hajek <highegg@gmail.com>
parents:
10188
diff
changeset
|
3163 { |
|
37a08e0ce2dc
support Matlab-style empty output/input arguments
Jaroslav Hajek <highegg@gmail.com>
parents:
10188
diff
changeset
|
3164 yyerror ("invalid use of empty argument (~) in index expression"); |
|
37a08e0ce2dc
support Matlab-style empty output/input arguments
Jaroslav Hajek <highegg@gmail.com>
parents:
10188
diff
changeset
|
3165 return retval; |
|
37a08e0ce2dc
support Matlab-style empty output/input arguments
Jaroslav Hajek <highegg@gmail.com>
parents:
10188
diff
changeset
|
3166 } |
| 751 | 3167 |
| 2970 | 3168 int l = expr->line (); |
| 3169 int c = expr->column (); | |
| 3170 | |
| 3171 expr->mark_postfix_indexed (); | |
| 3172 | |
| 3933 | 3173 if (expr->is_index_expression ()) |
| 3174 { | |
| 3175 tree_index_expression *tmp = static_cast<tree_index_expression *> (expr); | |
| 3176 | |
| 3177 tmp->append (args, type); | |
| 3178 | |
| 3179 retval = tmp; | |
| 3180 } | |
| 3181 else | |
| 3182 retval = new tree_index_expression (expr, args, l, c, type); | |
| 2970 | 3183 |
| 3184 return retval; | |
| 3185 } | |
| 3186 | |
| 3187 // Make an indirect reference expression. | |
| 3188 | |
| 3930 | 3189 static tree_index_expression * |
| 3523 | 3190 make_indirect_ref (tree_expression *expr, const std::string& elt) |
| 2970 | 3191 { |
| 3930 | 3192 tree_index_expression *retval = 0; |
| 2970 | 3193 |
| 3194 int l = expr->line (); | |
| 3195 int c = expr->column (); | |
| 3196 | |
| 3933 | 3197 if (expr->is_index_expression ()) |
| 3198 { | |
| 3199 tree_index_expression *tmp = static_cast<tree_index_expression *> (expr); | |
| 3200 | |
| 3201 tmp->append (elt); | |
| 3202 | |
| 3203 retval = tmp; | |
| 3204 } | |
| 3205 else | |
| 3206 retval = new tree_index_expression (expr, elt, l, c); | |
| 2970 | 3207 |
| 3208 lexer_flags.looking_at_indirect_ref = false; | |
| 751 | 3209 |
| 3210 return retval; | |
| 3211 } | |
| 1511 | 3212 |
| 4131 | 3213 // Make an indirect reference expression with dynamic field name. |
| 3214 | |
| 3215 static tree_index_expression * | |
| 3216 make_indirect_ref (tree_expression *expr, tree_expression *elt) | |
| 3217 { | |
| 3218 tree_index_expression *retval = 0; | |
| 3219 | |
| 3220 int l = expr->line (); | |
| 3221 int c = expr->column (); | |
| 3222 | |
| 3223 if (expr->is_index_expression ()) | |
| 3224 { | |
| 3225 tree_index_expression *tmp = static_cast<tree_index_expression *> (expr); | |
| 3226 | |
| 3227 tmp->append (elt); | |
| 3228 | |
| 3229 retval = tmp; | |
| 3230 } | |
| 3231 else | |
| 3232 retval = new tree_index_expression (expr, elt, l, c); | |
| 3233 | |
| 3234 lexer_flags.looking_at_indirect_ref = false; | |
| 3235 | |
| 3236 return retval; | |
| 3237 } | |
| 3238 | |
| 2846 | 3239 // Make a declaration command. |
| 3240 | |
| 3241 static tree_decl_command * | |
| 3242 make_decl_command (int tok, token *tok_val, tree_decl_init_list *lst) | |
| 3243 { | |
| 3244 tree_decl_command *retval = 0; | |
| 3245 | |
| 3246 int l = tok_val->line (); | |
| 3247 int c = tok_val->column (); | |
| 3248 | |
| 3249 switch (tok) | |
| 3250 { | |
| 3251 case GLOBAL: | |
| 3252 retval = new tree_global_command (lst, l, c); | |
| 3253 break; | |
| 3254 | |
|
14294
9e3983c8963c
deprecate the static keyword
John W. Eaton <jwe@octave.org>
parents:
14293
diff
changeset
|
3255 case PERSISTENT: |
|
9474
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
3256 if (current_function_depth > 0) |
|
14294
9e3983c8963c
deprecate the static keyword
John W. Eaton <jwe@octave.org>
parents:
14293
diff
changeset
|
3257 retval = new tree_persistent_command (lst, l, c); |
| 2846 | 3258 else |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3259 { |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3260 if (reading_script_file) |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3261 warning ("ignoring persistent declaration near line %d of file `%s'", |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3262 l, curr_fcn_file_full_name.c_str ()); |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3263 else |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3264 warning ("ignoring persistent declaration near line %d", l); |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3265 } |
| 2846 | 3266 break; |
| 3267 | |
| 3268 default: | |
| 3269 panic_impossible (); | |
| 3270 break; | |
| 3271 } | |
| 3272 | |
| 3273 return retval; | |
| 3274 } | |
| 3275 | |
|
10207
76a880a588ce
error when using ~ in matrix expression
Jaroslav Hajek <highegg@gmail.com>
parents:
10206
diff
changeset
|
3276 static tree_argument_list * |
|
76a880a588ce
error when using ~ in matrix expression
Jaroslav Hajek <highegg@gmail.com>
parents:
10206
diff
changeset
|
3277 validate_matrix_row (tree_argument_list *row) |
|
76a880a588ce
error when using ~ in matrix expression
Jaroslav Hajek <highegg@gmail.com>
parents:
10206
diff
changeset
|
3278 { |
|
76a880a588ce
error when using ~ in matrix expression
Jaroslav Hajek <highegg@gmail.com>
parents:
10206
diff
changeset
|
3279 if (row && row->has_magic_tilde ()) |
|
76a880a588ce
error when using ~ in matrix expression
Jaroslav Hajek <highegg@gmail.com>
parents:
10206
diff
changeset
|
3280 yyerror ("invalid use of tilde (~) in matrix expression"); |
|
76a880a588ce
error when using ~ in matrix expression
Jaroslav Hajek <highegg@gmail.com>
parents:
10206
diff
changeset
|
3281 return row; |
|
76a880a588ce
error when using ~ in matrix expression
Jaroslav Hajek <highegg@gmail.com>
parents:
10206
diff
changeset
|
3282 } |
|
76a880a588ce
error when using ~ in matrix expression
Jaroslav Hajek <highegg@gmail.com>
parents:
10206
diff
changeset
|
3283 |
| 1623 | 3284 // Finish building a matrix list. |
| 3285 | |
| 3286 static tree_expression * | |
| 1829 | 3287 finish_matrix (tree_matrix *m) |
| 1623 | 3288 { |
| 3110 | 3289 tree_expression *retval = m; |
| 3290 | |
|
10067
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3291 unwind_protect frame; |
|
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3292 |
|
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3293 frame.protect_var (error_state); |
|
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3294 frame.protect_var (warning_state); |
|
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3295 |
|
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3296 frame.protect_var (discard_error_messages); |
|
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3297 frame.protect_var (discard_warning_messages); |
| 4452 | 3298 |
| 3815 | 3299 discard_error_messages = true; |
| 4452 | 3300 discard_warning_messages = true; |
| 1623 | 3301 |
| 2533 | 3302 if (m->all_elements_are_constant ()) |
| 1829 | 3303 { |
|
8658
73c4516fae10
New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
8471
diff
changeset
|
3304 octave_value tmp = m->rvalue1 (); |
| 1623 | 3305 |
| 3489 | 3306 if (! (error_state || warning_state)) |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3307 { |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3308 tree_constant *tc_retval |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3309 = new tree_constant (tmp, m->line (), m->column ()); |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3310 |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3311 std::ostringstream buf; |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3312 |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3313 tree_print_code tpc (buf); |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3314 |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3315 m->accept (tpc); |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3316 |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3317 tc_retval->stash_original_text (buf.str ()); |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3318 |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3319 delete m; |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3320 |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3321 retval = tc_retval; |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3322 } |
| 1623 | 3323 } |
| 3110 | 3324 |
| 1623 | 3325 return retval; |
| 3326 } | |
| 3327 | |
| 3351 | 3328 // Finish building a cell list. |
| 3329 | |
| 3330 static tree_expression * | |
| 3331 finish_cell (tree_cell *c) | |
| 3332 { | |
| 5875 | 3333 return finish_matrix (c); |
| 3351 | 3334 } |
| 3335 | |
| 1511 | 3336 static void |
| 3337 maybe_warn_missing_semi (tree_statement_list *t) | |
| 3338 { | |
|
9474
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
3339 if (current_function_depth > 0) |
| 1511 | 3340 { |
|
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
|
3341 tree_statement *tmp = t->back (); |
| 1607 | 3342 |
| 1511 | 3343 if (tmp->is_expression ()) |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3344 warning_with_id |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3345 ("Octave:missing-semicolon", |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3346 "missing semicolon near line %d, column %d in file `%s'", |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3347 tmp->line (), tmp->column (), curr_fcn_file_full_name.c_str ()); |
| 1511 | 3348 } |
| 3349 } | |
| 1994 | 3350 |
|
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
|
3351 static tree_statement_list * |
| 2525 | 3352 set_stmt_print_flag (tree_statement_list *list, char sep, |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3353 bool warn_missing_semi) |
| 2525 | 3354 { |
|
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
|
3355 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
|
3356 |
| 2525 | 3357 switch (sep) |
| 3358 { | |
| 3359 case ';': | |
|
8658
73c4516fae10
New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
8471
diff
changeset
|
3360 tmp->set_print_flag (false); |
| 2525 | 3361 break; |
| 3362 | |
| 3363 case 0: | |
| 3364 case ',': | |
| 3365 case '\n': | |
|
8658
73c4516fae10
New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
8471
diff
changeset
|
3366 tmp->set_print_flag (true); |
| 2525 | 3367 if (warn_missing_semi) |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3368 maybe_warn_missing_semi (list); |
| 2525 | 3369 break; |
| 3370 | |
| 3371 default: | |
| 3372 warning ("unrecognized separator type!"); | |
| 3373 break; | |
| 3374 } | |
|
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
|
3375 |
|
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
|
3376 // 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
|
3377 // 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
|
3378 |
|
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
|
3379 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
|
3380 { |
|
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
|
3381 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
|
3382 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
|
3383 } |
|
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
|
3384 |
|
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
|
3385 return list; |
| 2525 | 3386 } |
| 3387 | |
|
8448
d6c0d5f208de
parse.y: avoid storing null statements in statement lists
John W. Eaton <jwe@octave.org>
parents:
8447
diff
changeset
|
3388 static tree_statement_list * |
|
d6c0d5f208de
parse.y: avoid storing null statements in statement lists
John W. Eaton <jwe@octave.org>
parents:
8447
diff
changeset
|
3389 make_statement_list (tree_statement *stmt) |
|
d6c0d5f208de
parse.y: avoid storing null statements in statement lists
John W. Eaton <jwe@octave.org>
parents:
8447
diff
changeset
|
3390 { |
|
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
|
3391 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
|
3392 } |
|
d6c0d5f208de
parse.y: avoid storing null statements in statement lists
John W. Eaton <jwe@octave.org>
parents:
8447
diff
changeset
|
3393 |
|
d6c0d5f208de
parse.y: avoid storing null statements in statement lists
John W. Eaton <jwe@octave.org>
parents:
8447
diff
changeset
|
3394 static tree_statement_list * |
|
d6c0d5f208de
parse.y: avoid storing null statements in statement lists
John W. Eaton <jwe@octave.org>
parents:
8447
diff
changeset
|
3395 append_statement_list (tree_statement_list *list, char sep, |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3396 tree_statement *stmt, 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
|
3397 { |
|
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
|
3398 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
|
3399 |
|
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
|
3400 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
|
3401 |
|
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
|
3402 return list; |
|
8448
d6c0d5f208de
parse.y: avoid storing null statements in statement lists
John W. Eaton <jwe@octave.org>
parents:
8447
diff
changeset
|
3403 } |
|
d6c0d5f208de
parse.y: avoid storing null statements in statement lists
John W. Eaton <jwe@octave.org>
parents:
8447
diff
changeset
|
3404 |
|
15037
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3405 static tree_funcall * |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3406 make_superclass_ref (const std::string& method_nm, |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3407 const std::string& package_nm, |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3408 const std::string& class_nm, |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3409 int l, int c) |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3410 { |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3411 octave_value_list args; |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3412 |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3413 args(2) = class_nm; |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3414 args(1) = package_nm; |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3415 args(0) = method_nm; |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3416 |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3417 octave_value fcn |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3418 = symbol_table::find_built_in_function ("__superclass_reference__"); |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3419 |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3420 return new tree_funcall (fcn, args); |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3421 } |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3422 |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3423 static tree_funcall * |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3424 make_meta_class_query (const std::string& package_nm, |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3425 const std::string& class_nm, |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3426 int l, int c) |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3427 { |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3428 octave_value_list args; |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3429 |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3430 args(1) = class_nm; |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3431 args(0) = package_nm; |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3432 |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3433 octave_value fcn |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3434 = symbol_table::find_built_in_function ("__meta_class_query__"); |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3435 |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3436 return new tree_funcall (fcn, args); |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3437 } |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3438 |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3439 // A CLASSDEF block defines a class that has a constructor and other |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3440 // methods, but it is not an executable command. Parsing the block |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3441 // makes some changes in the symbol table (inserting the constructor |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3442 // and methods, and adding to the list of known objects) and creates |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3443 // a parse tree containing meta information about the class. |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3444 |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3445 static tree_classdef * |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3446 make_classdef (token *tok_val, tree_classdef_attribute_list *a, |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3447 tree_identifier *id, tree_classdef_superclass_list *sc, |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3448 tree_classdef_body *body, token *end_tok, |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3449 octave_comment_list *lc) |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3450 { |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3451 tree_classdef *retval = 0; |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3452 |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3453 if (end_token_ok (end_tok, token::classdef_end)) |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3454 { |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3455 octave_comment_list *tc = octave_comment_buffer::get_comment (); |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3456 |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3457 int l = tok_val->line (); |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3458 int c = tok_val->column (); |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3459 |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3460 retval = new tree_classdef (a, id, sc, body, lc, tc, l, c); |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3461 } |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3462 |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3463 return retval; |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3464 } |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3465 |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3466 static tree_classdef_properties_block * |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3467 make_classdef_properties_block (token *tok_val, |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3468 tree_classdef_attribute_list *a, |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3469 tree_classdef_property_list *plist, |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3470 token *end_tok, octave_comment_list *lc) |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3471 { |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3472 tree_classdef_properties_block *retval = 0; |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3473 |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3474 if (end_token_ok (end_tok, token::properties_end)) |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3475 { |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3476 octave_comment_list *tc = octave_comment_buffer::get_comment (); |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3477 |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3478 int l = tok_val->line (); |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3479 int c = tok_val->column (); |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3480 |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3481 retval = new tree_classdef_properties_block (a, plist, lc, tc, l, c); |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3482 } |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3483 |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3484 return retval; |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3485 } |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3486 |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3487 static tree_classdef_methods_block * |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3488 make_classdef_methods_block (token *tok_val, |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3489 tree_classdef_attribute_list *a, |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3490 tree_classdef_methods_list *mlist, |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3491 token *end_tok, octave_comment_list *lc) |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3492 { |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3493 tree_classdef_methods_block *retval = 0; |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3494 |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3495 if (end_token_ok (end_tok, token::methods_end)) |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3496 { |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3497 octave_comment_list *tc = octave_comment_buffer::get_comment (); |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3498 |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3499 int l = tok_val->line (); |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3500 int c = tok_val->column (); |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3501 |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3502 retval = new tree_classdef_methods_block (a, mlist, lc, tc, l, c); |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3503 } |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3504 |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3505 return retval; |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3506 } |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3507 |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3508 static tree_classdef_events_block * |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3509 make_classdef_events_block (token *tok_val, |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3510 tree_classdef_attribute_list *a, |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3511 tree_classdef_events_list *elist, |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3512 token *end_tok, octave_comment_list *lc) |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3513 { |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3514 tree_classdef_events_block *retval = 0; |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3515 |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3516 if (end_token_ok (end_tok, token::events_end)) |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3517 { |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3518 octave_comment_list *tc = octave_comment_buffer::get_comment (); |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3519 |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3520 int l = tok_val->line (); |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3521 int c = tok_val->column (); |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3522 |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3523 retval = new tree_classdef_events_block (a, elist, lc, tc, l, c); |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3524 } |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3525 |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3526 return retval; |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3527 } |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3528 |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3529 static tree_classdef_enum_block * |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3530 make_classdef_enum_block (token *tok_val, |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3531 tree_classdef_attribute_list *a, |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3532 tree_classdef_enum_list *elist, |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3533 token *end_tok, octave_comment_list *lc) |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3534 { |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3535 tree_classdef_enum_block *retval = 0; |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3536 |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3537 if (end_token_ok (end_tok, token::enumeration_end)) |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3538 { |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3539 octave_comment_list *tc = octave_comment_buffer::get_comment (); |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3540 |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3541 int l = tok_val->line (); |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3542 int c = tok_val->column (); |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3543 |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3544 retval = new tree_classdef_enum_block (a, elist, lc, tc, l, c); |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3545 } |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3546 |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3547 return retval; |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3548 } |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3549 |
| 3021 | 3550 static void |
|
10067
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3551 safe_fclose (FILE *f) |
| 3021 | 3552 { |
| 5775 | 3553 // FIXME -- comments at the end of an input file are |
| 3765 | 3554 // discarded (otherwise, they would be appended to the next |
| 3555 // statement, possibly from the command line or another file, which | |
| 3556 // can be quite confusing). | |
| 3557 | |
| 5308 | 3558 octave_comment_list *tc = octave_comment_buffer::get_comment (); |
| 3559 | |
| 3560 delete tc; | |
| 3765 | 3561 |
| 3021 | 3562 if (f) |
| 3563 fclose (static_cast<FILE *> (f)); | |
| 3564 } | |
| 3565 | |
| 3566 static bool | |
| 5175 | 3567 looks_like_copyright (const std::string& s) |
| 3021 | 3568 { |
|
7720
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3569 bool retval = false; |
|
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3570 |
|
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3571 if (! s.empty ()) |
|
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3572 { |
|
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3573 size_t offset = s.find_first_not_of (" \t"); |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
3574 |
|
14180
4942b3011541
oct-parse.yy: also identify Author as start of license text
Carnë Draug <carandraug+dev@gmail.com>
parents:
14084
diff
changeset
|
3575 retval = (s.substr (offset, 9) == "Copyright" || s.substr (offset, 6) == "Author"); |
|
7720
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3576 } |
|
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3577 |
|
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3578 return retval; |
| 3021 | 3579 } |
| 3580 | |
| 4540 | 3581 static int |
| 3582 text_getc (FILE *f) | |
| 3583 { | |
|
12918
f3a8d1efe2c1
use gnulib:: qualifiers for more stdio functions
John W. Eaton <jwe@octave.org>
parents:
12719
diff
changeset
|
3584 int c = gnulib::getc (f); |
| 4540 | 3585 |
|
7728
13820b9f5fd9
more consistent handling of CR/CRLF/LF line endings in lexer and parser
John W. Eaton <jwe@octave.org>
parents:
7723
diff
changeset
|
3586 // Convert CRLF into just LF and single CR into LF. |
| 4540 | 3587 |
| 3588 if (c == '\r') | |
| 3589 { | |
|
12918
f3a8d1efe2c1
use gnulib:: qualifiers for more stdio functions
John W. Eaton <jwe@octave.org>
parents:
12719
diff
changeset
|
3590 c = gnulib::getc (f); |
| 4540 | 3591 |
|
8447
adab48231a03
make input_line_number work again
John W. Eaton <jwe@octave.org>
parents:
8311
diff
changeset
|
3592 if (c != '\n') |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3593 { |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3594 ungetc (c, f); |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3595 c = '\n'; |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3596 } |
| 4540 | 3597 } |
|
8447
adab48231a03
make input_line_number work again
John W. Eaton <jwe@octave.org>
parents:
8311
diff
changeset
|
3598 |
|
adab48231a03
make input_line_number work again
John W. Eaton <jwe@octave.org>
parents:
8311
diff
changeset
|
3599 if (c == '\n') |
|
7723
74f5e0c7de9e
first pass at handling block comments
John W. Eaton <jwe@octave.org>
parents:
7720
diff
changeset
|
3600 input_line_number++; |
| 4540 | 3601 |
| 3602 return c; | |
| 3603 } | |
| 3604 | |
|
7720
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3605 class |
|
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3606 stdio_stream_reader : public stream_reader |
| 3021 | 3607 { |
|
7720
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3608 public: |
|
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3609 stdio_stream_reader (FILE *f_arg) : stream_reader (), f (f_arg) { } |
|
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3610 |
|
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3611 int getc (void) { return ::text_getc (f); } |
|
8447
adab48231a03
make input_line_number work again
John W. Eaton <jwe@octave.org>
parents:
8311
diff
changeset
|
3612 int ungetc (int c) |
|
adab48231a03
make input_line_number work again
John W. Eaton <jwe@octave.org>
parents:
8311
diff
changeset
|
3613 { |
|
adab48231a03
make input_line_number work again
John W. Eaton <jwe@octave.org>
parents:
8311
diff
changeset
|
3614 if (c == '\n') |
|
adab48231a03
make input_line_number work again
John W. Eaton <jwe@octave.org>
parents:
8311
diff
changeset
|
3615 input_line_number--; |
|
adab48231a03
make input_line_number work again
John W. Eaton <jwe@octave.org>
parents:
8311
diff
changeset
|
3616 |
|
adab48231a03
make input_line_number work again
John W. Eaton <jwe@octave.org>
parents:
8311
diff
changeset
|
3617 return ::ungetc (c, f); |
|
adab48231a03
make input_line_number work again
John W. Eaton <jwe@octave.org>
parents:
8311
diff
changeset
|
3618 } |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
3619 |
|
7720
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3620 private: |
|
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3621 FILE *f; |
|
12222
91fa3871e9bf
oct-parse.yy (class stdio_stream_reader): disallow copying
Pascal Dupuis <Pascal.Dupuis@uclouvain.be>
parents:
11586
diff
changeset
|
3622 |
|
91fa3871e9bf
oct-parse.yy (class stdio_stream_reader): disallow copying
Pascal Dupuis <Pascal.Dupuis@uclouvain.be>
parents:
11586
diff
changeset
|
3623 // No copying! |
|
91fa3871e9bf
oct-parse.yy (class stdio_stream_reader): disallow copying
Pascal Dupuis <Pascal.Dupuis@uclouvain.be>
parents:
11586
diff
changeset
|
3624 |
|
91fa3871e9bf
oct-parse.yy (class stdio_stream_reader): disallow copying
Pascal Dupuis <Pascal.Dupuis@uclouvain.be>
parents:
11586
diff
changeset
|
3625 stdio_stream_reader (const stdio_stream_reader&); |
|
91fa3871e9bf
oct-parse.yy (class stdio_stream_reader): disallow copying
Pascal Dupuis <Pascal.Dupuis@uclouvain.be>
parents:
11586
diff
changeset
|
3626 |
|
91fa3871e9bf
oct-parse.yy (class stdio_stream_reader): disallow copying
Pascal Dupuis <Pascal.Dupuis@uclouvain.be>
parents:
11586
diff
changeset
|
3627 stdio_stream_reader & operator = (const stdio_stream_reader&); |
|
7720
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3628 }; |
|
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3629 |
|
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3630 static bool |
|
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3631 skip_white_space (stream_reader& reader) |
|
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3632 { |
|
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3633 int c = 0; |
|
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3634 |
|
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3635 while ((c = reader.getc ()) != EOF) |
| 3021 | 3636 { |
|
7720
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3637 switch (c) |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3638 { |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3639 case ' ': |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3640 case '\t': |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3641 current_input_column++; |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3642 break; |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3643 |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3644 case '\n': |
|
12638
fd367312095a
oct-parse.yy (skip_white_space): Fix column number calculation.
Daniel Kraft <d@domob.eu>
parents:
12627
diff
changeset
|
3645 current_input_column = 1; |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3646 break; |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3647 |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3648 default: |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3649 reader.ungetc (c); |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3650 goto done; |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3651 } |
| 3021 | 3652 } |
| 3653 | |
| 3654 done: | |
| 3655 | |
|
7720
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3656 return (c == EOF); |
| 3021 | 3657 } |
| 3658 | |
| 9476 | 3659 static bool |
| 3660 looking_at_classdef_keyword (FILE *ffile) | |
| 3661 { | |
| 3662 bool status = false; | |
| 3663 | |
|
12918
f3a8d1efe2c1
use gnulib:: qualifiers for more stdio functions
John W. Eaton <jwe@octave.org>
parents:
12719
diff
changeset
|
3664 long pos = gnulib::ftell (ffile); |
| 9476 | 3665 |
| 3666 char buf [10]; | |
|
12918
f3a8d1efe2c1
use gnulib:: qualifiers for more stdio functions
John W. Eaton <jwe@octave.org>
parents:
12719
diff
changeset
|
3667 gnulib::fgets (buf, 10, ffile); |
| 9476 | 3668 size_t len = strlen (buf); |
| 3669 if (len > 8 && strncmp (buf, "classdef", 8) == 0 | |
| 3670 && ! (isalnum (buf[8]) || buf[8] == '_')) | |
| 3671 status = true; | |
| 3672 | |
|
12918
f3a8d1efe2c1
use gnulib:: qualifiers for more stdio functions
John W. Eaton <jwe@octave.org>
parents:
12719
diff
changeset
|
3673 gnulib::fseek (ffile, pos, SEEK_SET); |
| 9476 | 3674 |
| 3675 return status; | |
| 3676 } | |
| 3677 | |
|
7720
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3678 static std::string |
|
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3679 gobble_leading_white_space (FILE *ffile, bool& eof) |
| 3021 | 3680 { |
|
7720
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3681 std::string help_txt; |
|
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3682 |
|
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3683 eof = false; |
|
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3684 |
|
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3685 // TRUE means we have already cached the help text. |
|
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3686 bool have_help_text = false; |
|
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3687 |
|
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3688 std::string txt; |
|
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3689 |
|
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3690 stdio_stream_reader stdio_reader (ffile); |
|
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3691 |
|
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3692 while (true) |
|
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3693 { |
|
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3694 eof = skip_white_space (stdio_reader); |
|
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3695 |
|
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3696 if (eof) |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3697 break; |
|
7720
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3698 |
|
7723
74f5e0c7de9e
first pass at handling block comments
John W. Eaton <jwe@octave.org>
parents:
7720
diff
changeset
|
3699 txt = grab_comment_block (stdio_reader, true, eof); |
|
7720
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3700 |
|
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3701 if (txt.empty ()) |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3702 break; |
|
7720
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3703 |
|
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3704 if (! (have_help_text || looks_like_copyright (txt))) |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3705 { |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3706 help_txt = txt; |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3707 have_help_text = true; |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3708 } |
|
7720
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3709 |
|
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3710 octave_comment_buffer::append (txt); |
|
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3711 |
|
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3712 if (eof) |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3713 break; |
|
7720
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3714 } |
|
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3715 |
|
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3716 return help_txt; |
| 3021 | 3717 } |
| 3718 | |
|
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3719 static bool |
|
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3720 looking_at_function_keyword (FILE *ffile) |
| 5931 | 3721 { |
|
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3722 bool status = false; |
| 3021 | 3723 |
|
12918
f3a8d1efe2c1
use gnulib:: qualifiers for more stdio functions
John W. Eaton <jwe@octave.org>
parents:
12719
diff
changeset
|
3724 long pos = gnulib::ftell (ffile); |
| 3021 | 3725 |
| 3726 char buf [10]; | |
|
12918
f3a8d1efe2c1
use gnulib:: qualifiers for more stdio functions
John W. Eaton <jwe@octave.org>
parents:
12719
diff
changeset
|
3727 gnulib::fgets (buf, 10, ffile); |
|
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3728 size_t len = strlen (buf); |
| 3021 | 3729 if (len > 8 && strncmp (buf, "function", 8) == 0 |
| 3730 && ! (isalnum (buf[8]) || buf[8] == '_')) | |
|
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3731 status = true; |
| 3021 | 3732 |
|
12918
f3a8d1efe2c1
use gnulib:: qualifiers for more stdio functions
John W. Eaton <jwe@octave.org>
parents:
12719
diff
changeset
|
3733 gnulib::fseek (ffile, pos, SEEK_SET); |
| 3021 | 3734 |
| 3735 return status; | |
| 3736 } | |
| 3737 | |
| 7336 | 3738 static octave_function * |
| 3739 parse_fcn_file (const std::string& ff, const std::string& dispatch_type, | |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3740 bool force_script = false, bool require_file = true, |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3741 const std::string& warn_for = std::string ()) |
| 3021 | 3742 { |
|
10067
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3743 unwind_protect frame; |
| 3021 | 3744 |
| 7336 | 3745 octave_function *fcn_ptr = 0; |
| 3021 | 3746 |
| 3747 // Open function file and parse. | |
| 3748 | |
| 3749 FILE *in_stream = command_editor::get_input_stream (); | |
| 3750 | |
|
10067
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3751 frame.add_fcn (command_editor::set_input_stream, in_stream); |
|
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3752 |
|
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3753 frame.protect_var (ff_instream); |
|
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3754 |
|
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3755 frame.protect_var (input_line_number); |
|
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3756 frame.protect_var (current_input_column); |
|
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3757 frame.protect_var (reading_fcn_file); |
|
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3758 frame.protect_var (line_editing); |
|
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3759 frame.protect_var (current_class_name); |
|
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3760 frame.protect_var (current_function_depth); |
|
14544
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
3761 frame.protect_var (function_scopes); |
|
10067
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3762 frame.protect_var (max_function_depth); |
|
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3763 frame.protect_var (parsing_subfunctions); |
|
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3764 frame.protect_var (endfunction_found); |
| 3021 | 3765 |
|
8447
adab48231a03
make input_line_number work again
John W. Eaton <jwe@octave.org>
parents:
8311
diff
changeset
|
3766 input_line_number = 1; |
| 3021 | 3767 current_input_column = 1; |
| 3768 reading_fcn_file = true; | |
| 3769 line_editing = false; | |
| 7336 | 3770 current_class_name = dispatch_type; |
|
9474
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
3771 current_function_depth = 0; |
|
14544
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
3772 function_scopes.clear (); |
|
9474
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
3773 max_function_depth = 0; |
|
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
3774 parsing_subfunctions = false; |
|
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
3775 endfunction_found = false; |
| 3021 | 3776 |
|
12989
00235a6446da
eliminate duplication of internal variables controlling command history
John W. Eaton <jwe@octave.org>
parents:
12973
diff
changeset
|
3777 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
|
3778 command_history::ignoring_entries ()); |
|
00235a6446da
eliminate duplication of internal variables controlling command history
John W. Eaton <jwe@octave.org>
parents:
12973
diff
changeset
|
3779 |
|
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3780 command_history::ignore_entries (); |
|
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3781 |
| 3021 | 3782 FILE *ffile = get_input_from_file (ff, 0); |
| 3783 | |
|
10067
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
3784 frame.add_fcn (safe_fclose, ffile); |
| 3021 | 3785 |
| 3786 if (ffile) | |
| 3787 { | |
|
7720
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3788 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
|
3789 |
|
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3790 std::string help_txt = gobble_leading_white_space (ffile, eof); |
|
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3791 |
|
10872
988d16d5ae34
correctly .m files that are empty or contain only comments
John W. Eaton <jwe@octave.org>
parents:
10659
diff
changeset
|
3792 if (! help_txt.empty ()) |
|
988d16d5ae34
correctly .m files that are empty or contain only comments
John W. Eaton <jwe@octave.org>
parents:
10659
diff
changeset
|
3793 help_buf.push (help_txt); |
|
988d16d5ae34
correctly .m files that are empty or contain only comments
John W. Eaton <jwe@octave.org>
parents:
10659
diff
changeset
|
3794 |
|
7720
4e2eafef689c
unify comment and help text processing in lex.l and parse.y
John W. Eaton <jwe@octave.org>
parents:
7719
diff
changeset
|
3795 if (! eof) |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3796 { |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3797 std::string file_type; |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3798 |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3799 frame.protect_var (get_input_from_eval_string); |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3800 frame.protect_var (parser_end_of_input); |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3801 frame.protect_var (reading_fcn_file); |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3802 frame.protect_var (reading_script_file); |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3803 frame.protect_var (reading_classdef_file); |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3804 frame.protect_var (Vecho_executing_commands); |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3805 |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3806 |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3807 get_input_from_eval_string = false; |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3808 parser_end_of_input = false; |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3809 |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3810 if (! force_script && looking_at_function_keyword (ffile)) |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3811 { |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3812 file_type = "function"; |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3813 |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3814 Vecho_executing_commands = ECHO_OFF; |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3815 |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3816 reading_classdef_file = false; |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3817 reading_fcn_file = true; |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3818 reading_script_file = false; |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3819 } |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3820 else if (! force_script && looking_at_classdef_keyword (ffile)) |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3821 { |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3822 file_type = "classdef"; |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3823 |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3824 Vecho_executing_commands = ECHO_OFF; |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3825 |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3826 reading_classdef_file = true; |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3827 reading_fcn_file = false; |
|
15037
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3828 reading_script_file = false; |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3829 } |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3830 else |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3831 { |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3832 file_type = "script"; |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3833 |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3834 Vecho_executing_commands = ECHO_OFF; |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3835 |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3836 reading_classdef_file = false; |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3837 reading_fcn_file = false; |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3838 reading_script_file = true; |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3839 } |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3840 |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3841 YY_BUFFER_STATE old_buf = current_buffer (); |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3842 YY_BUFFER_STATE new_buf = create_buffer (ffile); |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3843 |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3844 frame.add_fcn (switch_to_buffer, old_buf); |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3845 frame.add_fcn (delete_buffer, new_buf); |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3846 |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3847 switch_to_buffer (new_buf); |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3848 |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3849 frame.protect_var (primary_fcn_ptr); |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3850 primary_fcn_ptr = 0; |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3851 |
|
15037
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3852 frame.protect_var (classdef_object); |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3853 classdef_object = 0; |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3854 |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3855 reset_parser (); |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3856 |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3857 // Do this with an unwind-protect cleanup function so that |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3858 // the forced variables will be unmarked in the event of an |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
3859 // interrupt. |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3860 symbol_table::scope_id scope = symbol_table::top_scope (); |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3861 frame.add_fcn (symbol_table::unmark_forced_variables, scope); |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3862 |
|
10879
5af852c93af3
oct-parse.yy: Restore parsing of help text.
Rik <octave@nomad.inbox5.com>
parents:
10872
diff
changeset
|
3863 if (! help_txt.empty ()) |
|
5af852c93af3
oct-parse.yy: Restore parsing of help text.
Rik <octave@nomad.inbox5.com>
parents:
10872
diff
changeset
|
3864 help_buf.push (help_txt); |
|
5af852c93af3
oct-parse.yy: Restore parsing of help text.
Rik <octave@nomad.inbox5.com>
parents:
10872
diff
changeset
|
3865 |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3866 if (reading_script_file) |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3867 prep_lexer_for_script_file (); |
|
15037
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3868 else if (reading_classdef_file) |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3869 prep_lexer_for_classdef_file (); |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3870 else |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3871 prep_lexer_for_function_file (); |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3872 |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3873 lexer_flags.parsing_class_method = ! dispatch_type.empty (); |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3874 |
|
11258
795c97ace02c
eliminate some possible memory leaks
John W. Eaton <jwe@octave.org>
parents:
11225
diff
changeset
|
3875 frame.protect_var (global_command); |
|
795c97ace02c
eliminate some possible memory leaks
John W. Eaton <jwe@octave.org>
parents:
11225
diff
changeset
|
3876 |
|
795c97ace02c
eliminate some possible memory leaks
John W. Eaton <jwe@octave.org>
parents:
11225
diff
changeset
|
3877 global_command = 0; |
|
795c97ace02c
eliminate some possible memory leaks
John W. Eaton <jwe@octave.org>
parents:
11225
diff
changeset
|
3878 |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3879 int status = yyparse (); |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3880 |
| 13970 | 3881 // Use an unwind-protect cleanup function so that the |
| 3882 // global_command list will be deleted in the event of an | |
| 3883 // interrupt. | |
| 3884 | |
| 3885 frame.add_fcn (cleanup_statement_list, &global_command); | |
|
11258
795c97ace02c
eliminate some possible memory leaks
John W. Eaton <jwe@octave.org>
parents:
11225
diff
changeset
|
3886 |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3887 fcn_ptr = primary_fcn_ptr; |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3888 |
|
15037
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3889 if (status == 0) |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3890 { |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3891 if (reading_classdef_file && classdef_object) |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3892 { |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3893 // Convert parse tree for classdef object to |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3894 // meta.class info (and stash it in the symbol |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3895 // table?). Return pointer to constructor? |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3896 |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3897 octave_value meta_class = classdef_object->make_meta_class (); |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3898 } |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3899 } |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3900 else |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3901 { |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3902 error ("parse error while reading %s file %s", |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3903 file_type.c_str(), ff.c_str ()); |
|
56b8eb7c9c04
improvements in parsing classdef
John W. Eaton <jwe@octave.org>
parents:
14846
diff
changeset
|
3904 } |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3905 } |
|
10872
988d16d5ae34
correctly .m files that are empty or contain only comments
John W. Eaton <jwe@octave.org>
parents:
10659
diff
changeset
|
3906 else |
|
988d16d5ae34
correctly .m files that are empty or contain only comments
John W. Eaton <jwe@octave.org>
parents:
10659
diff
changeset
|
3907 { |
|
988d16d5ae34
correctly .m files that are empty or contain only comments
John W. Eaton <jwe@octave.org>
parents:
10659
diff
changeset
|
3908 tree_statement *end_of_script |
|
988d16d5ae34
correctly .m files that are empty or contain only comments
John W. Eaton <jwe@octave.org>
parents:
10659
diff
changeset
|
3909 = make_end ("endscript", input_line_number, current_input_column); |
|
988d16d5ae34
correctly .m files that are empty or contain only comments
John W. Eaton <jwe@octave.org>
parents:
10659
diff
changeset
|
3910 |
|
988d16d5ae34
correctly .m files that are empty or contain only comments
John W. Eaton <jwe@octave.org>
parents:
10659
diff
changeset
|
3911 make_script (0, end_of_script); |
|
988d16d5ae34
correctly .m files that are empty or contain only comments
John W. Eaton <jwe@octave.org>
parents:
10659
diff
changeset
|
3912 |
|
988d16d5ae34
correctly .m files that are empty or contain only comments
John W. Eaton <jwe@octave.org>
parents:
10659
diff
changeset
|
3913 fcn_ptr = primary_fcn_ptr; |
|
988d16d5ae34
correctly .m files that are empty or contain only comments
John W. Eaton <jwe@octave.org>
parents:
10659
diff
changeset
|
3914 } |
| 3021 | 3915 } |
|
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3916 else if (require_file) |
| 3880 | 3917 error ("no such file, `%s'", ff.c_str ()); |
|
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3918 else if (! warn_for.empty ()) |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
3919 error ("%s: unable to open file `%s'", warn_for.c_str (), ff.c_str ()); |
| 3021 | 3920 |
| 7336 | 3921 return fcn_ptr; |
| 3021 | 3922 } |
| 3923 | |
| 5484 | 3924 std::string |
|
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3925 get_help_from_file (const std::string& nm, bool& symbol_found, |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3926 std::string& file) |
|
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3927 { |
|
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3928 std::string retval; |
|
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3929 |
|
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3930 file = fcn_file_in_path (nm); |
|
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3931 |
|
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3932 if (! file.empty ()) |
|
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3933 { |
|
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3934 symbol_found = true; |
|
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3935 |
| 14153 | 3936 FILE *fptr = gnulib::fopen (file.c_str (), "r"); |
|
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3937 |
|
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3938 if (fptr) |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3939 { |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3940 unwind_protect frame; |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3941 frame.add_fcn (safe_fclose, fptr); |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3942 |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3943 bool eof; |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3944 retval = gobble_leading_white_space (fptr, eof); |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3945 |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3946 if (retval.empty ()) |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3947 { |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3948 octave_function *fcn = parse_fcn_file (file, ""); |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3949 |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3950 if (fcn) |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3951 { |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3952 retval = fcn->doc_string (); |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3953 |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3954 delete fcn; |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3955 } |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3956 } |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
3957 } |
|
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3958 } |
|
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3959 |
|
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3960 return retval; |
|
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3961 } |
|
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3962 |
|
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3963 std::string |
|
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3964 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
|
3965 { |
|
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3966 std::string file; |
|
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3967 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
|
3968 } |
|
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3969 |
|
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
3970 std::string |
| 5484 | 3971 lookup_autoload (const std::string& nm) |
| 3972 { | |
| 5626 | 3973 std::string retval; |
| 3974 | |
| 3975 typedef std::map<std::string, std::string>::const_iterator am_iter; | |
| 3976 | |
| 3977 am_iter p = autoload_map.find (nm); | |
| 3978 | |
| 3979 if (p != autoload_map.end ()) | |
| 6323 | 3980 retval = load_path::find_file (p->second); |
| 5626 | 3981 |
| 3982 return retval; | |
| 5484 | 3983 } |
| 3984 | |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
3985 string_vector |
| 5592 | 3986 autoloaded_functions (void) |
| 3987 { | |
|
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
|
3988 string_vector names (autoload_map.size ()); |
| 5592 | 3989 |
| 3990 octave_idx_type i = 0; | |
| 5626 | 3991 typedef std::map<std::string, std::string>::const_iterator am_iter; |
| 3992 for (am_iter p = autoload_map.begin (); p != autoload_map.end (); p++) | |
| 5592 | 3993 names[i++] = p->first; |
| 3994 | |
| 3995 return names; | |
| 3996 } | |
| 3997 | |
| 3998 string_vector | |
| 3999 reverse_lookup_autoload (const std::string& nm) | |
| 4000 { | |
| 4001 string_vector names; | |
| 4002 | |
| 5626 | 4003 typedef std::map<std::string, std::string>::const_iterator am_iter; |
| 4004 for (am_iter p = autoload_map.begin (); p != autoload_map.end (); p++) | |
| 5592 | 4005 if (nm == p->second) |
| 4006 names.append (p->first); | |
| 4007 | |
| 4008 return names; | |
| 4009 } | |
| 4010 | |
| 7336 | 4011 octave_function * |
| 4012 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
|
4013 const std::string& dispatch_type, |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4014 const std::string& fcn_name, bool autoload) |
| 3021 | 4015 { |
| 7336 | 4016 octave_function *retval = 0; |
| 4017 | |
|
10067
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
4018 unwind_protect frame; |
| 5484 | 4019 |
| 7336 | 4020 std::string nm = file_name; |
| 6238 | 4021 |
| 4022 size_t nm_len = nm.length (); | |
| 5472 | 4023 |
| 4024 std::string file; | |
| 4025 | |
|
10067
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
4026 frame.protect_var (fcn_file_from_relative_lookup); |
| 6323 | 4027 |
| 4028 fcn_file_from_relative_lookup = false; | |
| 4029 | |
| 7336 | 4030 file = nm; |
| 4031 | |
| 4032 if ((nm_len > 4 && nm.substr (nm_len-4) == ".oct") | |
| 4033 || (nm_len > 4 && nm.substr (nm_len-4) == ".mex") | |
| 4034 || (nm_len > 2 && nm.substr (nm_len-2) == ".m")) | |
| 5472 | 4035 { |
| 6238 | 4036 nm = octave_env::base_pathname (file); |
| 4037 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
|
4038 |
|
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
|
4039 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
|
4040 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
|
4041 nm = nm.substr (pos+1); |
| 5472 | 4042 } |
| 7336 | 4043 |
| 4044 if (autoload) | |
| 5472 | 4045 { |
|
10067
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
4046 frame.protect_var (autoloading); |
| 7336 | 4047 autoloading = true; |
| 4048 } | |
| 4049 | |
|
7749
14e05160b99f
reference counting for functions loaded from shared libraries
John W. Eaton <jwe@octave.org>
parents:
7736
diff
changeset
|
4050 fcn_file_from_relative_lookup = ! octave_env::absolute_pathname (file); |
|
14e05160b99f
reference counting for functions loaded from shared libraries
John W. Eaton <jwe@octave.org>
parents:
7736
diff
changeset
|
4051 |
| 10250 | 4052 file = octave_env::make_absolute (file); |
| 4243 | 4053 |
| 4054 int len = file.length (); | |
| 4055 | |
| 4244 | 4056 if (len > 4 && file.substr (len-4, len-1) == ".oct") |
| 3021 | 4057 { |
| 7336 | 4058 if (autoload && ! fcn_name.empty ()) |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4059 nm = fcn_name; |
| 7336 | 4060 |
| 4061 retval = octave_dynamic_loader::load_oct (nm, file, fcn_file_from_relative_lookup); | |
| 5864 | 4062 } |
| 4063 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
|
4064 { |
|
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
|
4065 // 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
|
4066 // 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
|
4067 frame.protect_var (curr_fcn_file_name); |
|
a61d7248627c
When loading a mex-file temporarily load the m-file version to get the help string (bug #29427)
David Bateman <dbateman@free.fr>
parents:
10521
diff
changeset
|
4068 frame.protect_var (curr_fcn_file_full_name); |
|
a61d7248627c
When loading a mex-file temporarily load the m-file version to get the help string (bug #29427)
David Bateman <dbateman@free.fr>
parents:
10521
diff
changeset
|
4069 |
|
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
|
4070 curr_fcn_file_name = nm; |
|
a61d7248627c
When loading a mex-file temporarily load the m-file version to get the help string (bug #29427)
David Bateman <dbateman@free.fr>
parents:
10521
diff
changeset
|
4071 curr_fcn_file_full_name = file.substr (0, len - 2); |
|
a61d7248627c
When loading a mex-file temporarily load the m-file version to get the help string (bug #29427)
David Bateman <dbateman@free.fr>
parents:
10521
diff
changeset
|
4072 |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
4073 octave_function *tmpfcn = parse_fcn_file (file.substr (0, len - 2), |
|
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
4074 dispatch_type, autoloading, |
|
10570
a61d7248627c
When loading a mex-file temporarily load the m-file version to get the help string (bug #29427)
David Bateman <dbateman@free.fr>
parents:
10521
diff
changeset
|
4075 false); |
|
a61d7248627c
When loading a mex-file temporarily load the m-file version to get the help string (bug #29427)
David Bateman <dbateman@free.fr>
parents:
10521
diff
changeset
|
4076 |
|
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
|
4077 retval = octave_dynamic_loader::load_mex (nm, file, fcn_file_from_relative_lookup); |
|
a61d7248627c
When loading a mex-file temporarily load the m-file version to get the help string (bug #29427)
David Bateman <dbateman@free.fr>
parents:
10521
diff
changeset
|
4078 |
|
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
|
4079 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
|
4080 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
|
4081 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
|
4082 } |
| 4244 | 4083 else if (len > 2) |
| 3021 | 4084 { |
|
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
4085 // These are needed by yyparse. |
|
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
4086 |
|
10067
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
4087 frame.protect_var (curr_fcn_file_name); |
|
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
4088 frame.protect_var (curr_fcn_file_full_name); |
|
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
4089 |
|
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
4090 curr_fcn_file_name = nm; |
|
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
4091 curr_fcn_file_full_name = file; |
|
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
4092 |
|
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
4093 retval = parse_fcn_file (file, dispatch_type, autoloading); |
| 3021 | 4094 } |
| 4095 | |
| 7336 | 4096 if (retval) |
|
8819
96d87674b818
also stash directory name for subfunctions
John W. Eaton <jwe@octave.org>
parents:
8812
diff
changeset
|
4097 { |
|
96d87674b818
also stash directory name for subfunctions
John W. Eaton <jwe@octave.org>
parents:
8812
diff
changeset
|
4098 retval->stash_dir_name (dir_name); |
|
96d87674b818
also stash directory name for subfunctions
John W. Eaton <jwe@octave.org>
parents:
8812
diff
changeset
|
4099 |
|
96d87674b818
also stash directory name for subfunctions
John W. Eaton <jwe@octave.org>
parents:
8812
diff
changeset
|
4100 if (retval->is_user_function ()) |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4101 { |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4102 symbol_table::scope_id id = retval->scope (); |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4103 |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4104 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
|
4105 } |
|
8819
96d87674b818
also stash directory name for subfunctions
John W. Eaton <jwe@octave.org>
parents:
8812
diff
changeset
|
4106 } |
| 7336 | 4107 |
| 4108 return retval; | |
| 5312 | 4109 } |
| 4110 | |
|
8746
5dd06f19e9be
handle commands in the lexer
John W. Eaton <jwe@octave.org>
parents:
8745
diff
changeset
|
4111 DEFUN (autoload, args, , |
| 5484 | 4112 "-*- texinfo -*-\n\ |
| 4113 @deftypefn {Built-in Function} {} autoload (@var{function}, @var{file})\n\ | |
| 4114 Define @var{function} to autoload from @var{file}.\n\ | |
| 5626 | 4115 \n\ |
| 6926 | 4116 The second argument, @var{file}, should be an absolute file name or\n\ |
| 4117 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
|
4118 the autoload command was run. @var{file} should not depend on the\n\ |
| 6926 | 4119 Octave load path.\n\ |
| 6380 | 4120 \n\ |
| 4121 Normally, calls to @code{autoload} appear in PKG_ADD script files that\n\ | |
| 4122 are evaluated when a directory is added to the Octave's load path. To\n\ | |
| 6926 | 4123 avoid having to hardcode directory names in @var{file}, if @var{file}\n\ |
| 4124 is in the same directory as the PKG_ADD script then\n\ | |
| 6380 | 4125 \n\ |
| 4126 @example\n\ | |
| 6926 | 4127 autoload (\"foo\", \"bar.oct\");\n\ |
| 6380 | 4128 @end example\n\ |
| 4129 \n\ | |
|
11572
7d6d8c1e471f
Grammarcheck Texinfo for files in src directory.
Rik <octave@nomad.inbox5.com>
parents:
11523
diff
changeset
|
4130 @noindent\n\ |
|
9038
fca0dc2fb042
Cleanup documentation files stmt.texi and func.texi
Rik <rdrider0-list@yahoo.com>
parents:
8974
diff
changeset
|
4131 will load the function @code{foo} from the file @code{bar.oct}. The above\n\ |
| 6926 | 4132 when @code{bar.oct} is not in the same directory or uses like\n\ |
| 6380 | 4133 \n\ |
| 4134 @example\n\ | |
| 6637 | 4135 autoload (\"foo\", file_in_loadpath (\"bar.oct\"))\n\ |
| 6380 | 4136 @end example\n\ |
| 4137 \n\ | |
| 4138 @noindent\n\ | |
| 6926 | 4139 are strongly discouraged, as their behavior might be unpredictable.\n\ |
| 6380 | 4140 \n\ |
| 6637 | 4141 With no arguments, return a structure containing the current autoload map.\n\ |
| 6380 | 4142 @seealso{PKG_ADD}\n\ |
| 5484 | 4143 @end deftypefn") |
| 4144 { | |
| 5626 | 4145 octave_value retval; |
| 5484 | 4146 |
| 4147 int nargin = args.length (); | |
| 4148 | |
| 5626 | 4149 if (nargin == 0) |
| 4150 { | |
|
10350
12884915a8e4
merge MArray classes & improve Array interface
Jaroslav Hajek <highegg@gmail.com>
parents:
10315
diff
changeset
|
4151 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
|
4152 Cell file_names (dim_vector (autoload_map.size (), 1)); |
| 5626 | 4153 |
| 4154 octave_idx_type i = 0; | |
| 4155 typedef std::map<std::string, std::string>::const_iterator am_iter; | |
| 4156 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
|
4157 { |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4158 func_names(i) = p->first; |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4159 file_names(i) = p->second; |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10250
diff
changeset
|
4160 |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10250
diff
changeset
|
4161 i++; |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4162 } |
| 5626 | 4163 |
|
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
|
4164 octave_map m; |
| 5626 | 4165 |
| 4166 m.assign ("function", func_names); | |
| 4167 m.assign ("file", file_names); | |
| 4168 | |
| 4169 retval = m; | |
| 4170 } | |
| 4171 else if (nargin == 2) | |
| 5484 | 4172 { |
| 4173 string_vector argv = args.make_argv ("autoload"); | |
| 4174 | |
| 4175 if (! error_state) | |
| 6380 | 4176 { |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10250
diff
changeset
|
4177 std::string nm = argv[2]; |
|
57a59eae83cc
untabify src C++ source files
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10250
diff
changeset
|
4178 |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10250
diff
changeset
|
4179 if (! octave_env::absolute_pathname (nm)) |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4180 { |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4181 octave_user_code *fcn = octave_call_stack::caller_user_code (); |
|
57a59eae83cc
untabify src C++ source files
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parents:
10250
diff
changeset
|
4182 |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10250
diff
changeset
|
4183 bool found = false; |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4184 |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4185 if (fcn) |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4186 { |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4187 std::string fname = fcn->fcn_file_name (); |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10250
diff
changeset
|
4188 |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4189 if (! fname.empty ()) |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4190 { |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4191 fname = octave_env::make_absolute (fname); |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4192 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
|
4193 |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4194 file_stat fs (fname + nm); |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4195 |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4196 if (fs.exists ()) |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4197 { |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4198 nm = fname + nm; |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4199 found = true; |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4200 } |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4201 } |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4202 } |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4203 if (! found) |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4204 warning_with_id ("Octave:autoload-relative-file-name", |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4205 "autoload: `%s' is not an absolute file name", |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4206 nm.c_str ()); |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4207 } |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4208 autoload_map[argv[1]] = nm; |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4209 } |
| 5484 | 4210 } |
| 4211 else | |
| 5823 | 4212 print_usage (); |
| 5484 | 4213 |
| 4214 return retval; | |
| 4215 } | |
| 4216 | |
| 4486 | 4217 void |
|
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
4218 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
|
4219 bool verbose, bool require_file, const std::string& warn_for) |
| 4486 | 4220 { |
|
10578
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
4221 // 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
|
4222 // 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
|
4223 // 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
|
4224 // written as |
|
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
4225 // |
|
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
4226 // foo1.m: |
|
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
4227 // ------ |
|
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
4228 // foo2 |
|
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
4229 // |
|
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
4230 // foo2.m: |
|
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
4231 // ------ |
|
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
4232 // foo1 |
|
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
4233 // |
|
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
4234 // and called with |
|
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
4235 // |
|
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
4236 // foo1 |
|
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
4237 // |
|
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
4238 // (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
|
4239 // |
|
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
4240 // foo1.m: |
|
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
4241 // ------ |
|
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
4242 // source ("foo2.m") |
|
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
4243 // |
|
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
4244 // foo2.m: |
|
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
4245 // ------ |
|
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
4246 // source ("foo1.m") |
|
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
4247 // |
|
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
4248 // and called with |
|
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
4249 // |
|
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
4250 // source ("foo1.m") |
|
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
4251 // |
|
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
4252 // (for example). |
|
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
4253 |
|
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
4254 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
|
4255 |
| 4486 | 4256 std::string file_full_name = file_ops::tilde_expand (file_name); |
| 4257 | |
|
10578
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
4258 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
|
4259 |
|
10067
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
4260 unwind_protect frame; |
|
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
4261 |
|
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
4262 frame.protect_var (curr_fcn_file_name); |
|
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
4263 frame.protect_var (curr_fcn_file_full_name); |
| 4486 | 4264 |
| 4265 curr_fcn_file_name = file_name; | |
| 4266 curr_fcn_file_full_name = file_full_name; | |
| 4267 | |
|
10578
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
4268 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
|
4269 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
|
4270 |
|
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
4271 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
|
4272 |
|
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
4273 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
|
4274 |
|
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
4275 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
|
4276 { |
|
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
4277 error ("max_recursion_depth exceeded"); |
|
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
4278 return; |
|
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
4279 } |
|
cb0883127251
limit on recursion via calls to source function
John W. Eaton <jwe@octave.org>
parents:
10570
diff
changeset
|
4280 |
| 5975 | 4281 if (! context.empty ()) |
| 4282 { | |
| 4283 if (context == "caller") | |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4284 octave_call_stack::goto_caller_frame (); |
| 5975 | 4285 else if (context == "base") |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4286 octave_call_stack::goto_base_frame (); |
| 5975 | 4287 else |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4288 error ("source: context must be \"caller\" or \"base\""); |
| 7336 | 4289 |
| 4290 if (! error_state) | |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4291 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
|
4292 } |
| 5975 | 4293 |
| 4294 if (! error_state) | |
| 4295 { | |
|
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
4296 octave_function *fcn = parse_fcn_file (file_full_name, "", true, |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4297 require_file, warn_for); |
|
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
4298 |
|
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
4299 if (! error_state) |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4300 { |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4301 if (fcn && fcn->is_user_script ()) |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4302 { |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4303 octave_value_list args; |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4304 |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4305 if (verbose) |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4306 { |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4307 std::cout << "executing commands from " << file_full_name << " ... "; |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4308 reading_startup_message_printed = true; |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4309 std::cout.flush (); |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4310 } |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4311 |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4312 fcn->do_multi_index_op (0, args); |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4313 |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4314 if (verbose) |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4315 std::cout << "done." << std::endl; |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4316 |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4317 delete fcn; |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4318 } |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4319 } |
|
7715
5b4d278ec828
parse scripts completely before executing
John W. Eaton <jwe@octave.org>
parents:
7699
diff
changeset
|
4320 else |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4321 error ("source: error sourcing file `%s'", |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4322 file_full_name.c_str ()); |
| 5975 | 4323 } |
| 4486 | 4324 } |
| 4325 | |
| 5739 | 4326 DEFUN (mfilename, args, , |
| 4327 "-*- texinfo -*-\n\ | |
|
11572
7d6d8c1e471f
Grammarcheck Texinfo for files in src directory.
Rik <octave@nomad.inbox5.com>
parents:
11523
diff
changeset
|
4328 @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
|
4329 @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
|
4330 @deftypefnx {Built-in Function} {} mfilename (\"fullpathext\")\n\ |
| 5739 | 4331 Return the name of the currently executing file. At the top-level,\n\ |
| 4332 return the empty string. Given the argument @code{\"fullpath\"},\n\ | |
| 4333 include the directory part of the file name, but not the extension.\n\ | |
| 4334 Given the argument @code{\"fullpathext\"}, include the directory part\n\ | |
| 4335 of the file name and the extension.\n\ | |
| 5774 | 4336 @end deftypefn") |
| 5739 | 4337 { |
| 4338 octave_value retval; | |
| 4339 | |
| 4340 int nargin = args.length (); | |
| 4341 | |
| 4342 if (nargin > 1) | |
| 4343 { | |
| 5823 | 4344 print_usage (); |
| 5739 | 4345 return retval; |
| 4346 } | |
| 4347 | |
| 4348 std::string arg; | |
| 4349 | |
| 4350 if (nargin == 1) | |
| 4351 { | |
| 4352 arg = args(0).string_value (); | |
| 4353 | |
| 4354 if (error_state) | |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4355 { |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4356 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
|
4357 return retval; |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4358 } |
| 5739 | 4359 } |
| 4360 | |
| 4361 std::string fname; | |
| 4362 | |
|
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
|
4363 octave_user_code *fcn = octave_call_stack::caller_user_code (); |
| 5743 | 4364 |
| 4365 if (fcn) | |
| 4366 { | |
| 4367 fname = fcn->fcn_file_name (); | |
| 4368 | |
| 4369 if (fname.empty ()) | |
| 4370 fname = fcn->name (); | |
| 4371 } | |
| 5739 | 4372 |
| 4373 if (arg == "fullpathext") | |
| 4374 retval = fname; | |
| 4375 else | |
| 4376 { | |
|
8007
a2ab20ba78f7
make file_ops a proper singleton class
John W. Eaton <jwe@octave.org>
parents:
8001
diff
changeset
|
4377 size_t dpos = fname.rfind (file_ops::dir_sep_char ()); |
| 5747 | 4378 size_t epos = fname.rfind ('.'); |
| 4379 | |
| 4380 if (epos <= dpos) | |
| 8021 | 4381 epos = std::string::npos; |
| 4382 | |
| 4383 fname = (epos != std::string::npos) ? fname.substr (0, epos) : fname; | |
| 5739 | 4384 |
| 4385 if (arg == "fullpath") | |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4386 retval = fname; |
| 5739 | 4387 else |
| 8021 | 4388 retval = (dpos != std::string::npos) ? fname.substr (dpos+1) : fname; |
| 5739 | 4389 } |
| 4390 | |
| 4391 return retval; | |
| 4392 } | |
| 4393 | |
| 4394 | |
| 3021 | 4395 DEFUN (source, args, , |
| 3371 | 4396 "-*- texinfo -*-\n\ |
| 4397 @deftypefn {Built-in Function} {} source (@var{file})\n\ | |
| 4398 Parse and execute the contents of @var{file}. This is equivalent to\n\ | |
| 4399 executing commands from a script file, but without requiring the file to\n\ | |
| 4400 be named @file{@var{file}.m}.\n\ | |
| 4401 @end deftypefn") | |
| 3021 | 4402 { |
| 4403 octave_value_list retval; | |
| 4404 | |
| 4405 int nargin = args.length (); | |
| 4406 | |
| 5975 | 4407 if (nargin == 1 || nargin == 2) |
| 3021 | 4408 { |
| 3523 | 4409 std::string file_name = args(0).string_value (); |
| 3021 | 4410 |
| 4411 if (! error_state) | |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4412 { |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4413 std::string context; |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4414 |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4415 if (nargin == 2) |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4416 context = args(1).string_value (); |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4417 |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4418 if (! error_state) |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4419 source_file (file_name, context); |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4420 else |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4421 error ("source: expecting context to be character string"); |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4422 } |
| 3021 | 4423 else |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4424 error ("source: expecting file name as argument"); |
| 3021 | 4425 } |
| 4426 else | |
| 5823 | 4427 print_usage (); |
| 3021 | 4428 |
| 4429 return retval; | |
| 4430 } | |
| 4431 | |
| 3726 | 4432 // Evaluate an Octave function (built-in or interpreted) and return |
| 3844 | 4433 // the list of result values. NAME is the name of the function to |
| 4434 // 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
|
4435 // number of output arguments expected. |
| 3726 | 4436 |
| 3021 | 4437 octave_value_list |
| 3523 | 4438 feval (const std::string& name, const octave_value_list& args, int nargout) |
| 3156 | 4439 { |
| 4440 octave_value_list retval; | |
| 4441 | |
| 7336 | 4442 octave_value fcn = symbol_table::find_function (name, args); |
| 4443 | |
| 4444 if (fcn.is_defined ()) | |
| 4445 retval = fcn.do_multi_index_op (nargout, args); | |
| 4446 else | |
|
10443
34e51d4e199b
implement smart warnings about missing Matlab functionality
Jaroslav Hajek <highegg@gmail.com>
parents:
10426
diff
changeset
|
4447 { |
|
34e51d4e199b
implement smart warnings about missing Matlab functionality
Jaroslav Hajek <highegg@gmail.com>
parents:
10426
diff
changeset
|
4448 maybe_missing_function_hook (name); |
|
34e51d4e199b
implement smart warnings about missing Matlab functionality
Jaroslav Hajek <highegg@gmail.com>
parents:
10426
diff
changeset
|
4449 if (! error_state) |
|
34e51d4e199b
implement smart warnings about missing Matlab functionality
Jaroslav Hajek <highegg@gmail.com>
parents:
10426
diff
changeset
|
4450 error ("feval: function `%s' not found", name.c_str ()); |
|
34e51d4e199b
implement smart warnings about missing Matlab functionality
Jaroslav Hajek <highegg@gmail.com>
parents:
10426
diff
changeset
|
4451 } |
| 3156 | 4452 |
| 4453 return retval; | |
| 4454 } | |
| 4455 | |
| 4342 | 4456 octave_value_list |
| 4457 feval (octave_function *fcn, const octave_value_list& args, int nargout) | |
| 4458 { | |
| 4459 octave_value_list retval; | |
| 4460 | |
| 4461 if (fcn) | |
| 4462 retval = fcn->do_multi_index_op (nargout, args); | |
| 4463 | |
| 4464 return retval; | |
| 4465 } | |
| 4466 | |
| 4467 static octave_value_list | |
| 4468 get_feval_args (const octave_value_list& args) | |
| 4469 { | |
|
10659
8baff2aceabc
fix slicing value lists with name tags (bug #29960)
Jaroslav Hajek <highegg@gmail.com>
parents:
10578
diff
changeset
|
4470 return args.slice (1, args.length () - 1, true); |
| 4342 | 4471 } |
| 4472 | |
| 4473 | |
| 3726 | 4474 // Evaluate an Octave function (built-in or interpreted) and return |
| 4475 // the list of result values. The first element of ARGS should be a | |
| 4476 // string containing the name of the function to call, then the rest | |
| 4477 // are the actual arguments to the function. NARGOUT is the number of | |
| 4478 // output arguments expected. | |
| 4479 | |
| 3156 | 4480 octave_value_list |
| 3021 | 4481 feval (const octave_value_list& args, int nargout) |
| 4482 { | |
| 4483 octave_value_list retval; | |
| 4484 | |
| 4342 | 4485 int nargin = args.length (); |
| 4486 | |
| 4487 if (nargin > 0) | |
| 3021 | 4488 { |
| 4342 | 4489 octave_value f_arg = args(0); |
| 4490 | |
| 4491 if (f_arg.is_string ()) | |
| 4492 { | |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4493 std::string name = f_arg.string_value (); |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4494 |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4495 if (! error_state) |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4496 { |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4497 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
|
4498 |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4499 retval = feval (name, tmp_args, nargout); |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4500 } |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4501 } |
|
13241
2a8dcb5b3a00
improve default indexing for objects
John W. Eaton <jwe@octave.org>
parents:
13237
diff
changeset
|
4502 else if (f_arg.is_function_handle () |
|
2a8dcb5b3a00
improve default indexing for objects
John W. Eaton <jwe@octave.org>
parents:
13237
diff
changeset
|
4503 || f_arg.is_anonymous_function () |
|
2a8dcb5b3a00
improve default indexing for objects
John W. Eaton <jwe@octave.org>
parents:
13237
diff
changeset
|
4504 || f_arg.is_inline_function ()) |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4505 { |
|
10492
a6b64a7a3769
make feval work with overloaded handles
Jaroslav Hajek <highegg@gmail.com>
parents:
10463
diff
changeset
|
4506 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
|
4507 |
|
a6b64a7a3769
make feval work with overloaded handles
Jaroslav Hajek <highegg@gmail.com>
parents:
10463
diff
changeset
|
4508 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
|
4509 } |
|
10492
a6b64a7a3769
make feval work with overloaded handles
Jaroslav Hajek <highegg@gmail.com>
parents:
10463
diff
changeset
|
4510 else |
|
a6b64a7a3769
make feval work with overloaded handles
Jaroslav Hajek <highegg@gmail.com>
parents:
10463
diff
changeset
|
4511 error ("feval: first argument must be a string, inline function or a function handle"); |
| 3021 | 4512 } |
| 4513 | |
| 4514 return retval; | |
| 4515 } | |
| 4516 | |
| 4517 DEFUN (feval, args, nargout, | |
| 3371 | 4518 "-*- texinfo -*-\n\ |
| 4519 @deftypefn {Built-in Function} {} feval (@var{name}, @dots{})\n\ | |
| 4520 Evaluate the function named @var{name}. Any arguments after the first\n\ | |
| 4521 are passed on to the named function. For example,\n\ | |
| 4522 \n\ | |
| 4523 @example\n\ | |
|
11572
7d6d8c1e471f
Grammarcheck Texinfo for files in src directory.
Rik <octave@nomad.inbox5.com>
parents:
11523
diff
changeset
|
4524 @group\n\ |
| 3371 | 4525 feval (\"acos\", -1)\n\ |
| 4526 @result{} 3.1416\n\ | |
|
11572
7d6d8c1e471f
Grammarcheck Texinfo for files in src directory.
Rik <octave@nomad.inbox5.com>
parents:
11523
diff
changeset
|
4527 @end group\n\ |
| 3371 | 4528 @end example\n\ |
| 3021 | 4529 \n\ |
| 3371 | 4530 @noindent\n\ |
| 4531 calls the function @code{acos} with the argument @samp{-1}.\n\ | |
| 4532 \n\ | |
|
12946
8b5b85e26246
octave-parse.yy (feval): Update docstring to refer to function handles.
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents:
12918
diff
changeset
|
4533 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
|
4534 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
|
4535 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
|
4536 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
|
4537 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
|
4538 \n\ |
|
8b5b85e26246
octave-parse.yy (feval): Update docstring to refer to function handles.
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents:
12918
diff
changeset
|
4539 @example\n\ |
|
8b5b85e26246
octave-parse.yy (feval): Update docstring to refer to function handles.
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents:
12918
diff
changeset
|
4540 @group\n\ |
|
8b5b85e26246
octave-parse.yy (feval): Update docstring to refer to function handles.
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents:
12918
diff
changeset
|
4541 @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
|
4542 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
|
4543 @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
|
4544 @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
|
4545 @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
|
4546 @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
|
4547 @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
|
4548 \n\ |
|
8b5b85e26246
octave-parse.yy (feval): Update docstring to refer to function handles.
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents:
12918
diff
changeset
|
4549 @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
|
4550 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
|
4551 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
|
4552 function name in a string, @code{feval} can be used instead.\n\ |
| 3371 | 4553 @end deftypefn") |
| 3021 | 4554 { |
| 4555 octave_value_list retval; | |
| 4556 | |
| 4557 int nargin = args.length (); | |
| 4558 | |
| 4559 if (nargin > 0) | |
| 4560 retval = feval (args, nargout); | |
| 4561 else | |
| 5823 | 4562 print_usage (); |
| 3021 | 4563 |
| 4564 return retval; | |
| 4565 } | |
| 4566 | |
|
11225
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4567 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
|
4568 "-*- texinfo -*-\n\ |
|
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4569 @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
|
4570 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
|
4571 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
|
4572 @end deftypefn") |
|
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4573 { |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
4574 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
|
4575 |
|
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4576 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
|
4577 |
|
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4578 if (nargin > 0) |
|
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4579 { |
|
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4580 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
|
4581 |
|
11225
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4582 if (! error_state) |
|
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4583 { |
|
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4584 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
|
4585 |
|
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4586 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
|
4587 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
|
4588 nargout); |
|
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4589 else |
|
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4590 error ("builtin: lookup for symbol `%s' failed", name.c_str ()); |
|
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4591 } |
|
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4592 else |
|
12483
7a5aacf65f81
Rewrite error strings in src/ to use variables named in documentation.
Rik <octave@nomad.inbox5.com>
parents:
12400
diff
changeset
|
4593 error ("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
|
4594 } |
|
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4595 else |
|
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4596 print_usage (); |
|
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4597 |
|
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4598 return retval; |
|
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4599 } |
|
8d8e10058df6
move builtin function from dispatch.cc to oct-parse.yy
John W. Eaton <jwe@octave.org>
parents:
11138
diff
changeset
|
4600 |
| 3099 | 4601 octave_value_list |
| 3523 | 4602 eval_string (const std::string& s, bool silent, int& parse_status, int nargout) |
| 3021 | 4603 { |
| 3877 | 4604 octave_value_list retval; |
| 4605 | |
|
10067
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
4606 unwind_protect frame; |
|
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
4607 |
|
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
4608 frame.protect_var (input_line_number); |
|
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
4609 frame.protect_var (current_input_column); |
|
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
4610 frame.protect_var (get_input_from_eval_string); |
|
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
4611 frame.protect_var (input_from_eval_string_pending); |
|
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
4612 frame.protect_var (parser_end_of_input); |
|
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
4613 frame.protect_var (line_editing); |
|
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
4614 frame.protect_var (current_eval_string); |
|
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
4615 frame.protect_var (current_function_depth); |
|
14544
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
4616 frame.protect_var (function_scopes); |
|
10067
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
4617 frame.protect_var (max_function_depth); |
|
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
4618 frame.protect_var (parsing_subfunctions); |
|
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
4619 frame.protect_var (endfunction_found); |
|
10130
0c3609dd34cf
oct-parse.yy (eval_string): save and set reading_{script,fcn,classdef}_file vars
John W. Eaton <jwe@octave.org>
parents:
10067
diff
changeset
|
4620 frame.protect_var (reading_fcn_file); |
|
0c3609dd34cf
oct-parse.yy (eval_string): save and set reading_{script,fcn,classdef}_file vars
John W. Eaton <jwe@octave.org>
parents:
10067
diff
changeset
|
4621 frame.protect_var (reading_script_file); |
|
0c3609dd34cf
oct-parse.yy (eval_string): save and set reading_{script,fcn,classdef}_file vars
John W. Eaton <jwe@octave.org>
parents:
10067
diff
changeset
|
4622 frame.protect_var (reading_classdef_file); |
| 3021 | 4623 |
|
8447
adab48231a03
make input_line_number work again
John W. Eaton <jwe@octave.org>
parents:
8311
diff
changeset
|
4624 input_line_number = 1; |
|
adab48231a03
make input_line_number work again
John W. Eaton <jwe@octave.org>
parents:
8311
diff
changeset
|
4625 current_input_column = 1; |
| 3021 | 4626 get_input_from_eval_string = true; |
| 3877 | 4627 input_from_eval_string_pending = true; |
| 3883 | 4628 parser_end_of_input = false; |
| 5189 | 4629 line_editing = false; |
|
9474
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
4630 current_function_depth = 0; |
|
14544
be18c9e359bf
Nested function support (bug #35772)
Max Brister <max@2bass.com>
parents:
14533
diff
changeset
|
4631 function_scopes.clear (); |
|
9474
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
4632 max_function_depth = 0; |
|
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
4633 parsing_subfunctions = false; |
|
25ed2d6aacf6
Parse nested functions more accurately.
David Grundberg <individ@acc.umu.se>
parents:
9471
diff
changeset
|
4634 endfunction_found = false; |
|
10130
0c3609dd34cf
oct-parse.yy (eval_string): save and set reading_{script,fcn,classdef}_file vars
John W. Eaton <jwe@octave.org>
parents:
10067
diff
changeset
|
4635 reading_fcn_file = false; |
|
0c3609dd34cf
oct-parse.yy (eval_string): save and set reading_{script,fcn,classdef}_file vars
John W. Eaton <jwe@octave.org>
parents:
10067
diff
changeset
|
4636 reading_script_file = false; |
|
0c3609dd34cf
oct-parse.yy (eval_string): save and set reading_{script,fcn,classdef}_file vars
John W. Eaton <jwe@octave.org>
parents:
10067
diff
changeset
|
4637 reading_classdef_file = false; |
| 5189 | 4638 |
| 3021 | 4639 current_eval_string = s; |
| 4640 | |
| 4641 YY_BUFFER_STATE old_buf = current_buffer (); | |
| 4642 YY_BUFFER_STATE new_buf = create_buffer (0); | |
| 4643 | |
|
10067
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
4644 frame.add_fcn (switch_to_buffer, old_buf); |
|
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
4645 frame.add_fcn (delete_buffer, new_buf); |
| 3021 | 4646 |
| 4647 switch_to_buffer (new_buf); | |
| 4648 | |
| 3877 | 4649 do |
| 4650 { | |
| 4318 | 4651 reset_parser (); |
| 4652 | |
|
10067
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
4653 frame.protect_var (global_command); |
|
7903
8018e10d2b87
save and restore global_command as needed
John W. Eaton <jwe@octave.org>
parents:
7901
diff
changeset
|
4654 |
|
11258
795c97ace02c
eliminate some possible memory leaks
John W. Eaton <jwe@octave.org>
parents:
11225
diff
changeset
|
4655 global_command = 0; |
|
795c97ace02c
eliminate some possible memory leaks
John W. Eaton <jwe@octave.org>
parents:
11225
diff
changeset
|
4656 |
|
9260
9c2349a51218
properly unmark forced variables
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
4657 // 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
|
4658 // 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
|
4659 // interrupt. |
|
9c2349a51218
properly unmark forced variables
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
4660 symbol_table::scope_id scope = symbol_table::top_scope (); |
|
10067
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
4661 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
|
4662 |
| 3877 | 4663 parse_status = yyparse (); |
| 4664 | |
|
8658
73c4516fae10
New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
8471
diff
changeset
|
4665 tree_statement_list *command_list = global_command; |
| 3877 | 4666 |
|
9260
9c2349a51218
properly unmark forced variables
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
4667 // Unmark forced variables. |
|
7903
8018e10d2b87
save and restore global_command as needed
John W. Eaton <jwe@octave.org>
parents:
7901
diff
changeset
|
4668 // Restore previous value of global_command. |
|
10067
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9794
diff
changeset
|
4669 frame.run_top (2); |
|
7903
8018e10d2b87
save and restore global_command as needed
John W. Eaton <jwe@octave.org>
parents:
7901
diff
changeset
|
4670 |
| 3883 | 4671 if (parse_status == 0) |
| 3877 | 4672 { |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4673 if (command_list) |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4674 { |
| 13970 | 4675 unwind_protect inner_frame; |
| 4676 | |
| 4677 // Use an unwind-protect cleanup function so that the | |
| 4678 // global_command list will be deleted in the event of an | |
| 4679 // interrupt. | |
| 4680 | |
| 4681 inner_frame.add_fcn (cleanup_statement_list, &command_list); | |
| 4682 | |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4683 tree_statement *stmt = 0; |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4684 |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4685 if (command_list->length () == 1 |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4686 && (stmt = command_list->front ()) |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4687 && stmt->is_expression ()) |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4688 { |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4689 tree_expression *expr = stmt->expression (); |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4690 |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4691 if (silent) |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4692 expr->set_print_flag (false); |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4693 |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4694 bool do_bind_ans = false; |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4695 |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4696 if (expr->is_identifier ()) |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4697 { |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4698 tree_identifier *id |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4699 = dynamic_cast<tree_identifier *> (expr); |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4700 |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4701 do_bind_ans = (! id->is_variable ()); |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4702 } |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4703 else |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4704 do_bind_ans = (! expr->is_assignment_expression ()); |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4705 |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4706 retval = expr->rvalue (nargout); |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4707 |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4708 if (do_bind_ans && ! (error_state || retval.empty ())) |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4709 bind_ans (retval(0), expr->print_result ()); |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4710 |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4711 if (nargout == 0) |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4712 retval = octave_value_list (); |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4713 } |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4714 else if (nargout == 0) |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4715 command_list->accept (*current_evaluator); |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4716 else |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4717 error ("eval: invalid use of statement list"); |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4718 |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4719 if (error_state |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
4720 || tree_return_command::returning |
|
57a59eae83cc
untabify src C++ source files
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|
4721 || tree_break_command::breaking |
|
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|
4722 || tree_continue_command::continuing) |
|
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|
4723 break; |
|
57a59eae83cc
untabify src C++ source files
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|
4724 } |
|
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|
4725 else if (parser_end_of_input) |
|
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|
4726 break; |
| 3883 | 4727 } |
| 3877 | 4728 } |
| 4729 while (parse_status == 0); | |
| 3021 | 4730 |
| 4731 return retval; | |
| 4732 } | |
| 4733 | |
| 4734 octave_value | |
| 3523 | 4735 eval_string (const std::string& s, bool silent, int& parse_status) |
| 3021 | 4736 { |
| 4737 octave_value retval; | |
| 4738 | |
| 4739 octave_value_list tmp = eval_string (s, silent, parse_status, 1); | |
| 4740 | |
| 4741 if (! tmp.empty ()) | |
| 4742 retval = tmp(0); | |
| 4743 | |
| 4744 return retval; | |
| 4745 } | |
| 4746 | |
| 4747 static octave_value_list | |
| 4748 eval_string (const octave_value& arg, bool silent, int& parse_status, | |
|
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|
4749 int nargout) |
| 3021 | 4750 { |
| 3523 | 4751 std::string s = arg.string_value (); |
| 3021 | 4752 |
| 4753 if (error_state) | |
| 4754 { | |
| 3523 | 4755 error ("eval: expecting std::string argument"); |
| 4233 | 4756 return octave_value (-1); |
| 3021 | 4757 } |
| 4758 | |
| 4759 return eval_string (s, silent, parse_status, nargout); | |
| 4760 } | |
| 4761 | |
| 13970 | 4762 void |
| 4763 cleanup_statement_list (tree_statement_list **lst) | |
| 4764 { | |
| 4765 if (*lst) | |
| 4766 { | |
| 4767 delete *lst; | |
| 4768 *lst = 0; | |
| 4769 } | |
| 4770 } | |
| 4771 | |
| 3021 | 4772 DEFUN (eval, args, nargout, |
| 3371 | 4773 "-*- texinfo -*-\n\ |
|
14172
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doc: Update seealso references for eval family of functions.
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|
4774 @deftypefn {Built-in Function} {} eval (@var{try})\n\ |
|
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doc: Update seealso references for eval family of functions.
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|
4775 @deftypefnx {Built-in Function} {} eval (@var{try}, @var{catch})\n\ |
| 3371 | 4776 Parse the string @var{try} and evaluate it as if it were an Octave\n\ |
| 6643 | 4777 program. If that fails, evaluate the optional string @var{catch}.\n\ |
| 4463 | 4778 The string @var{try} is evaluated in the current context,\n\ |
| 4779 so any results remain available after @code{eval} returns.\n\ | |
| 6643 | 4780 \n\ |
| 4781 The following example makes the variable @var{a} with the approximate\n\ | |
| 4782 value 3.1416 available.\n\ | |
| 4783 \n\ | |
| 4784 @example\n\ | |
|
14360
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doc: Correct off-by-1 spacings in all .cc docstrings
Rik <octave@nomad.inbox5.com>
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|
4785 eval (\"a = acos(-1);\");\n\ |
| 6643 | 4786 @end example\n\ |
| 4787 \n\ | |
| 4788 If an error occurs during the evaluation of @var{try} the @var{catch}\n\ | |
| 8828 | 4789 string is evaluated, as the following example shows:\n\ |
| 6643 | 4790 \n\ |
| 4791 @example\n\ | |
|
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7d6d8c1e471f
Grammarcheck Texinfo for files in src directory.
Rik <octave@nomad.inbox5.com>
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|
4792 @group\n\ |
| 6643 | 4793 eval ('error (\"This is a bad example\");',\n\ |
|
8015
30629059b72d
Update the manual to reflect the changes in error output
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parents:
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4794 'printf (\"This error occurred:\\n%s\\n\", lasterr ());');\n\ |
| 7001 | 4795 @print{} This error occurred:\n\ |
|
8015
30629059b72d
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|
4796 This is a bad example\n\ |
|
11572
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|
4797 @end group\n\ |
| 6643 | 4798 @end example\n\ |
|
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|
4799 \n\ |
|
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doc: Update seealso references for eval family of functions.
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|
4800 Consider using try/catch blocks instead if you are only using @code{eval}\n\ |
|
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Rik <octave@nomad.inbox5.com>
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|
4801 as an error-capturing mechanism rather than for the execution of arbitrary\n\ |
|
cba1c681f1b7
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|
4802 code strings.\n\ |
|
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Rik <octave@nomad.inbox5.com>
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|
4803 @seealso{evalin}\n\ |
| 3371 | 4804 @end deftypefn") |
| 3021 | 4805 { |
| 4806 octave_value_list retval; | |
| 4807 | |
| 4808 int nargin = args.length (); | |
| 4809 | |
| 4810 if (nargin > 0) | |
| 4811 { | |
|
10067
6f79338c269b
omission from last patch
Jaroslav Hajek <highegg@gmail.com>
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9794
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changeset
|
4812 unwind_protect frame; |
| 3021 | 4813 |
| 4814 if (nargin > 1) | |
|
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|
4815 { |
|
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|
4816 frame.protect_var (buffer_error_messages); |
|
57a59eae83cc
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|
4817 buffer_error_messages++; |
|
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untabify src C++ source files
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|
4818 } |
| 3021 | 4819 |
| 4820 int parse_status = 0; | |
| 4821 | |
| 4463 | 4822 octave_value_list tmp = eval_string (args(0), nargout > 0, |
|
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untabify src C++ source files
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|
4823 parse_status, nargout); |
| 4463 | 4824 |
| 3021 | 4825 if (nargin > 1 && (parse_status != 0 || error_state)) |
|
10315
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|
4826 { |
|
57a59eae83cc
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|
4827 error_state = 0; |
|
57a59eae83cc
untabify src C++ source files
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|
4828 |
|
57a59eae83cc
untabify src C++ source files
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changeset
|
4829 // Set up for letting the user print any messages from |
|
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untabify src C++ source files
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|
4830 // errors that occurred in the first part of this eval(). |
|
57a59eae83cc
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|
4831 |
|
57a59eae83cc
untabify src C++ source files
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|
4832 buffer_error_messages--; |
|
57a59eae83cc
untabify src C++ source files
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changeset
|
4833 |
|
57a59eae83cc
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changeset
|
4834 tmp = eval_string (args(1), nargout > 0, parse_status, nargout); |
|
57a59eae83cc
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changeset
|
4835 |
|
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|
4836 if (nargout > 0) |
|
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|
4837 retval = tmp; |
|
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untabify src C++ source files
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changeset
|
4838 } |
|
8033
2ad5ba320b93
parse.y (Feval): Return value produced by evaluating CATCH string
John W. Eaton <jwe@octave.org>
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8021
diff
changeset
|
4839 else if (nargout > 0) |
|
10315
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|
4840 retval = tmp; |
| 3021 | 4841 } |
| 4842 else | |
| 5823 | 4843 print_usage (); |
| 3021 | 4844 |
| 4845 return retval; | |
| 4846 } | |
| 4847 | |
|
7562
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changeset
|
4848 /* |
|
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changeset
|
4849 |
|
14084
5aba9fa234cf
Modernize %!tests for eval()
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changeset
|
4850 %!shared x |
|
7562
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move tests to individual source files
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|
4851 %! x = 1; |
|
14084
5aba9fa234cf
Modernize %!tests for eval()
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|
4852 |
|
5aba9fa234cf
Modernize %!tests for eval()
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changeset
|
4853 %!assert (eval ("x"), 1) |
|
5aba9fa234cf
Modernize %!tests for eval()
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diff
changeset
|
4854 %!assert (eval ("x;")) |
|
5aba9fa234cf
Modernize %!tests for eval()
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changeset
|
4855 %!assert (eval ("x;"), 1); |
|
5aba9fa234cf
Modernize %!tests for eval()
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changeset
|
4856 |
|
7562
c827f5673321
move tests to individual source files
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changeset
|
4857 %!test |
|
14084
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Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
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diff
changeset
|
4858 %! y = eval ("x"); |
|
5aba9fa234cf
Modernize %!tests for eval()
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diff
changeset
|
4859 %! assert (y, 1); |
|
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
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diff
changeset
|
4860 |
|
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
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13970
diff
changeset
|
4861 %!test |
|
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
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diff
changeset
|
4862 %! y = eval ("x;"); |
|
5aba9fa234cf
Modernize %!tests for eval()
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diff
changeset
|
4863 %! assert (y, 1); |
|
5aba9fa234cf
Modernize %!tests for eval()
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diff
changeset
|
4864 |
|
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
13970
diff
changeset
|
4865 %!test |
|
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
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diff
changeset
|
4866 %! eval ("x = 1;") |
|
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
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diff
changeset
|
4867 %! assert (x,1); |
|
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
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diff
changeset
|
4868 |
|
7562
c827f5673321
move tests to individual source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4869 %!test |
|
c827f5673321
move tests to individual source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
4870 %! eval ("flipud = 2;"); |
|
14084
5aba9fa234cf
Modernize %!tests for eval()
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parents:
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diff
changeset
|
4871 %! assert (flipud, 2); |
|
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
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diff
changeset
|
4872 |
|
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
parents:
13970
diff
changeset
|
4873 %!function y = __f () |
|
7562
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move tests to individual source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4874 %! eval ("flipud = 2;"); |
|
c827f5673321
move tests to individual source files
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diff
changeset
|
4875 %! y = flipud; |
|
14084
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
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diff
changeset
|
4876 %!endfunction |
|
5aba9fa234cf
Modernize %!tests for eval()
Rik <octave@nomad.inbox5.com>
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diff
changeset
|
4877 %!assert (__f(), 2) |
|
7562
c827f5673321
move tests to individual source files
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diff
changeset
|
4878 |
|
14533
e6aa044253eb
Allow comma at the end of an assignment list (bug #35645)
Max Brister <max@2bass.com>
parents:
14512
diff
changeset
|
4879 % bug #35645 |
|
e6aa044253eb
Allow comma at the end of an assignment list (bug #35645)
Max Brister <max@2bass.com>
parents:
14512
diff
changeset
|
4880 %!test |
|
e6aa044253eb
Allow comma at the end of an assignment list (bug #35645)
Max Brister <max@2bass.com>
parents:
14512
diff
changeset
|
4881 %! [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
|
4882 %! [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
|
4883 |
|
7562
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changeset
|
4884 */ |
|
c827f5673321
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|
4885 |
| 4661 | 4886 DEFUN (assignin, args, , |
| 4297 | 4887 "-*- texinfo -*-\n\ |
| 4888 @deftypefn {Built-in Function} {} assignin (@var{context}, @var{varname}, @var{value})\n\ | |
| 4889 Assign @var{value} to @var{varname} in context @var{context}, which\n\ | |
| 4890 may be either @code{\"base\"} or @code{\"caller\"}.\n\ | |
|
14172
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Rik <octave@nomad.inbox5.com>
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changeset
|
4891 @seealso{evalin}\n\ |
| 4297 | 4892 @end deftypefn") |
| 4893 { | |
| 4894 octave_value_list retval; | |
| 4895 | |
| 4896 int nargin = args.length (); | |
| 4897 | |
| 4898 if (nargin == 3) | |
| 4899 { | |
| 4900 std::string context = args(0).string_value (); | |
| 4901 | |
| 4902 if (! error_state) | |
| 4903 { | |
|
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|
4904 unwind_protect frame; |
|
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|
4905 |
|
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|
4906 if (context == "caller") |
|
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|
4907 octave_call_stack::goto_caller_frame (); |
|
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|
4908 else if (context == "base") |
|
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|
4909 octave_call_stack::goto_base_frame (); |
|
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changeset
|
4910 else |
|
12483
7a5aacf65f81
Rewrite error strings in src/ to use variables named in documentation.
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12400
diff
changeset
|
4911 error ("assignin: CONTEXT must be \"caller\" or \"base\""); |
|
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|
4912 |
|
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|
4913 if (! error_state) |
|
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|
4914 { |
|
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changeset
|
4915 frame.add_fcn (octave_call_stack::pop); |
|
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|
4916 |
|
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|
4917 std::string nm = args(1).string_value (); |
|
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|
4918 |
|
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changeset
|
4919 if (! error_state) |
|
57a59eae83cc
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|
4920 { |
|
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changeset
|
4921 if (valid_identifier (nm)) |
|
57a59eae83cc
untabify src C++ source files
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changeset
|
4922 symbol_table::varref (nm) = args(2); |
|
57a59eae83cc
untabify src C++ source files
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|
4923 else |
|
12483
7a5aacf65f81
Rewrite error strings in src/ to use variables named in documentation.
Rik <octave@nomad.inbox5.com>
parents:
12400
diff
changeset
|
4924 error ("assignin: invalid variable name in argument VARNAME"); |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
4925 } |
|
57a59eae83cc
untabify src C++ source files
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parents:
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diff
changeset
|
4926 else |
|
12483
7a5aacf65f81
Rewrite error strings in src/ to use variables named in documentation.
Rik <octave@nomad.inbox5.com>
parents:
12400
diff
changeset
|
4927 error ("assignin: VARNAME must be a string"); |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4928 } |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4929 } |
| 4297 | 4930 else |
|
12483
7a5aacf65f81
Rewrite error strings in src/ to use variables named in documentation.
Rik <octave@nomad.inbox5.com>
parents:
12400
diff
changeset
|
4931 error ("assignin: CONTEXT must be a string"); |
| 4297 | 4932 } |
| 4933 else | |
| 5823 | 4934 print_usage (); |
| 4297 | 4935 |
| 4936 return retval; | |
| 4937 } | |
| 4938 | |
| 4245 | 4939 DEFUN (evalin, args, nargout, |
| 4940 "-*- texinfo -*-\n\ | |
|
14172
cba1c681f1b7
doc: Update seealso references for eval family of functions.
Rik <octave@nomad.inbox5.com>
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diff
changeset
|
4941 @deftypefn {Built-in Function} {} evalin (@var{context}, @var{try})\n\ |
|
cba1c681f1b7
doc: Update seealso references for eval family of functions.
Rik <octave@nomad.inbox5.com>
parents:
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diff
changeset
|
4942 @deftypefnx {Built-in Function} {} evalin (@var{context}, @var{try}, @var{catch})\n\ |
| 4245 | 4943 Like @code{eval}, except that the expressions are evaluated in the\n\ |
| 4944 context @var{context}, which may be either @code{\"caller\"} or\n\ | |
| 4246 | 4945 @code{\"base\"}.\n\ |
|
14172
cba1c681f1b7
doc: Update seealso references for eval family of functions.
Rik <octave@nomad.inbox5.com>
parents:
14153
diff
changeset
|
4946 @seealso{eval, assignin}\n\ |
| 4245 | 4947 @end deftypefn") |
| 4948 { | |
| 4949 octave_value_list retval; | |
| 4950 | |
| 4951 int nargin = args.length (); | |
| 4952 | |
| 4953 if (nargin > 1) | |
| 4954 { | |
| 4955 std::string context = args(0).string_value (); | |
| 4956 | |
| 4957 if (! error_state) | |
| 4958 { | |
|
10315
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untabify src C++ source files
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changeset
|
4959 unwind_protect frame; |
|
57a59eae83cc
untabify src C++ source files
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changeset
|
4960 |
|
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|
4961 if (context == "caller") |
|
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untabify src C++ source files
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|
4962 octave_call_stack::goto_caller_frame (); |
|
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untabify src C++ source files
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|
4963 else if (context == "base") |
|
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untabify src C++ source files
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|
4964 octave_call_stack::goto_base_frame (); |
|
57a59eae83cc
untabify src C++ source files
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changeset
|
4965 else |
|
12483
7a5aacf65f81
Rewrite error strings in src/ to use variables named in documentation.
Rik <octave@nomad.inbox5.com>
parents:
12400
diff
changeset
|
4966 error ("evalin: CONTEXT must be \"caller\" or \"base\""); |
|
10315
57a59eae83cc
untabify src C++ source files
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|
4967 |
|
57a59eae83cc
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changeset
|
4968 if (! error_state) |
|
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untabify src C++ source files
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changeset
|
4969 { |
|
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changeset
|
4970 frame.add_fcn (octave_call_stack::pop); |
|
57a59eae83cc
untabify src C++ source files
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changeset
|
4971 |
|
57a59eae83cc
untabify src C++ source files
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changeset
|
4972 if (nargin > 2) |
|
57a59eae83cc
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diff
changeset
|
4973 { |
|
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untabify src C++ source files
John W. Eaton <jwe@octave.org>
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changeset
|
4974 frame.protect_var (buffer_error_messages); |
|
57a59eae83cc
untabify src C++ source files
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changeset
|
4975 buffer_error_messages++; |
|
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
4976 } |
|
57a59eae83cc
untabify src C++ source files
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changeset
|
4977 |
|
57a59eae83cc
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John W. Eaton <jwe@octave.org>
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changeset
|
4978 int parse_status = 0; |
|
57a59eae83cc
untabify src C++ source files
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changeset
|
4979 |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
4980 octave_value_list tmp = eval_string (args(1), nargout > 0, |
|
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
4981 parse_status, nargout); |
|
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untabify src C++ source files
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changeset
|
4982 |
|
57a59eae83cc
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diff
changeset
|
4983 if (nargout > 0) |
|
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untabify src C++ source files
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changeset
|
4984 retval = tmp; |
|
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
4985 |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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changeset
|
4986 if (nargin > 2 && (parse_status != 0 || error_state)) |
|
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
4987 { |
|
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
4988 error_state = 0; |
|
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untabify src C++ source files
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diff
changeset
|
4989 |
|
57a59eae83cc
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
4990 // Set up for letting the user print any messages from |
|
57a59eae83cc
untabify src C++ source files
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changeset
|
4991 // errors that occurred in the first part of this eval(). |
|
57a59eae83cc
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diff
changeset
|
4992 |
|
57a59eae83cc
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diff
changeset
|
4993 buffer_error_messages--; |
|
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
4994 |
|
57a59eae83cc
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changeset
|
4995 tmp = eval_string (args(2), nargout > 0, |
|
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
4996 parse_status, nargout); |
|
57a59eae83cc
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changeset
|
4997 |
|
57a59eae83cc
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changeset
|
4998 retval = (nargout > 0) ? tmp : octave_value_list (); |
|
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
4999 } |
|
57a59eae83cc
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diff
changeset
|
5000 } |
|
57a59eae83cc
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diff
changeset
|
5001 } |
| 4245 | 5002 else |
|
12483
7a5aacf65f81
Rewrite error strings in src/ to use variables named in documentation.
Rik <octave@nomad.inbox5.com>
parents:
12400
diff
changeset
|
5003 error ("evalin: CONTEXT must be a string"); |
| 4245 | 5004 } |
| 5005 else | |
| 5823 | 5006 print_usage (); |
| 4245 | 5007 |
| 5008 return retval; | |
| 5009 } | |
| 5010 | |
|
8311
7124bffc89c7
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John W. Eaton <jwe@octave.org>
parents:
8283
diff
changeset
|
5011 DEFUN (__parser_debug_flag__, args, nargout, |
|
8812
7d48766c21a5
use consistent format for doc strings of internal functions
John W. Eaton <jwe@octave.org>
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8746
diff
changeset
|
5012 "-*- texinfo -*-\n\ |
|
7d48766c21a5
use consistent format for doc strings of internal functions
John W. Eaton <jwe@octave.org>
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8746
diff
changeset
|
5013 @deftypefn {Built-in Function} {@var{old_val} =} __parser_debug_flag__ (@var{new_val}))\n\ |
|
7d48766c21a5
use consistent format for doc strings of internal functions
John W. Eaton <jwe@octave.org>
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8746
diff
changeset
|
5014 Undocumented internal function.\n\ |
|
7d48766c21a5
use consistent format for doc strings of internal functions
John W. Eaton <jwe@octave.org>
parents:
8746
diff
changeset
|
5015 @end deftypefn") |
|
8311
7124bffc89c7
parse.y (F__parser_debug_flag__): New function.
John W. Eaton <jwe@octave.org>
parents:
8283
diff
changeset
|
5016 { |
|
7124bffc89c7
parse.y (F__parser_debug_flag__): New function.
John W. Eaton <jwe@octave.org>
parents:
8283
diff
changeset
|
5017 octave_value retval; |
|
7124bffc89c7
parse.y (F__parser_debug_flag__): New function.
John W. Eaton <jwe@octave.org>
parents:
8283
diff
changeset
|
5018 |
|
7124bffc89c7
parse.y (F__parser_debug_flag__): New function.
John W. Eaton <jwe@octave.org>
parents:
8283
diff
changeset
|
5019 bool debug_flag = octave_debug; |
|
7124bffc89c7
parse.y (F__parser_debug_flag__): New function.
John W. Eaton <jwe@octave.org>
parents:
8283
diff
changeset
|
5020 |
|
7124bffc89c7
parse.y (F__parser_debug_flag__): New function.
John W. Eaton <jwe@octave.org>
parents:
8283
diff
changeset
|
5021 retval = set_internal_variable (debug_flag, args, nargout, |
|
10315
57a59eae83cc
untabify src C++ source files
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changeset
|
5022 "__parser_debug_flag__"); |
|
8311
7124bffc89c7
parse.y (F__parser_debug_flag__): New function.
John W. Eaton <jwe@octave.org>
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8283
diff
changeset
|
5023 |
|
7124bffc89c7
parse.y (F__parser_debug_flag__): New function.
John W. Eaton <jwe@octave.org>
parents:
8283
diff
changeset
|
5024 octave_debug = debug_flag; |
|
7124bffc89c7
parse.y (F__parser_debug_flag__): New function.
John W. Eaton <jwe@octave.org>
parents:
8283
diff
changeset
|
5025 |
|
7124bffc89c7
parse.y (F__parser_debug_flag__): New function.
John W. Eaton <jwe@octave.org>
parents:
8283
diff
changeset
|
5026 return retval; |
|
7124bffc89c7
parse.y (F__parser_debug_flag__): New function.
John W. Eaton <jwe@octave.org>
parents:
8283
diff
changeset
|
5027 } |