1%{ 2/* 3 +----------------------------------------------------------------------+ 4 | Zend Engine | 5 +----------------------------------------------------------------------+ 6 | Copyright (c) 1998-2013 Zend Technologies Ltd. (http://www.zend.com) | 7 +----------------------------------------------------------------------+ 8 | This source file is subject to version 2.00 of the Zend license, | 9 | that is bundled with this package in the file LICENSE, and is | 10 | available through the world-wide-web at the following url: | 11 | http://www.zend.com/license/2_00.txt. | 12 | If you did not receive a copy of the Zend license and are unable to | 13 | obtain it through the world-wide-web, please send a note to | 14 | license@zend.com so we can mail you a copy immediately. | 15 +----------------------------------------------------------------------+ 16 | Authors: Andi Gutmans <andi@zend.com> | 17 | Zeev Suraski <zeev@zend.com> | 18 +----------------------------------------------------------------------+ 19*/ 20 21/* $Id$ */ 22 23/* 24 * LALR shift/reduce conflicts and how they are resolved: 25 * 26 * - 2 shift/reduce conflicts due to the dangling elseif/else ambiguity. Solved by shift. 27 * 28 */ 29 30 31#include "zend_compile.h" 32#include "zend.h" 33#include "zend_list.h" 34#include "zend_globals.h" 35#include "zend_API.h" 36#include "zend_constants.h" 37 38#define YYSIZE_T size_t 39#define yytnamerr zend_yytnamerr 40static YYSIZE_T zend_yytnamerr(char*, const char*); 41 42#define YYERROR_VERBOSE 43#define YYSTYPE znode 44#ifdef ZTS 45# define YYPARSE_PARAM tsrm_ls 46# define YYLEX_PARAM tsrm_ls 47#endif 48 49 50%} 51 52%pure_parser 53%expect 3 54 55%token END 0 "end of file" 56%left T_INCLUDE T_INCLUDE_ONCE T_EVAL T_REQUIRE T_REQUIRE_ONCE 57%token T_INCLUDE "include (T_INCLUDE)" 58%token T_INCLUDE_ONCE "include_once (T_INCLUDE_ONCE)" 59%token T_EVAL "eval (T_EVAL)" 60%token T_REQUIRE "require (T_REQUIRE)" 61%token T_REQUIRE_ONCE "require_once (T_REQUIRE_ONCE)" 62%left ',' 63%left T_LOGICAL_OR 64%token T_LOGICAL_OR "or (T_LOGICAL_OR)" 65%left T_LOGICAL_XOR 66%token T_LOGICAL_XOR "xor (T_LOGICAL_XOR)" 67%left T_LOGICAL_AND 68%token T_LOGICAL_AND "and (T_LOGICAL_AND)" 69%right T_PRINT 70%token T_PRINT "print (T_PRINT)" 71%left '=' T_PLUS_EQUAL T_MINUS_EQUAL T_MUL_EQUAL T_DIV_EQUAL T_CONCAT_EQUAL T_MOD_EQUAL T_AND_EQUAL T_OR_EQUAL T_XOR_EQUAL T_SL_EQUAL T_SR_EQUAL 72%token T_PLUS_EQUAL "+= (T_PLUS_EQUAL)" 73%token T_MINUS_EQUAL "-= (T_MINUS_EQUAL)" 74%token T_MUL_EQUAL "*= (T_MUL_EQUAL)" 75%token T_DIV_EQUAL "/= (T_DIV_EQUAL)" 76%token T_CONCAT_EQUAL ".= (T_CONCAT_EQUAL)" 77%token T_MOD_EQUAL "%= (T_MOD_EQUAL)" 78%token T_AND_EQUAL "&= (T_AND_EQUAL)" 79%token T_OR_EQUAL "|= (T_OR_EQUAL)" 80%token T_XOR_EQUAL "^= (T_XOR_EQUAL)" 81%token T_SL_EQUAL "<<= (T_SL_EQUAL)" 82%token T_SR_EQUAL ">>= (T_SR_EQUAL)" 83%left '?' ':' 84%left T_BOOLEAN_OR 85%token T_BOOLEAN_OR "|| (T_BOOLEAN_OR)" 86%left T_BOOLEAN_AND 87%token T_BOOLEAN_AND "&& (T_BOOLEAN_AND)" 88%left '|' 89%left '^' 90%left '&' 91%nonassoc T_IS_EQUAL T_IS_NOT_EQUAL T_IS_IDENTICAL T_IS_NOT_IDENTICAL 92%token T_IS_EQUAL "== (T_IS_EQUAL)" 93%token T_IS_NOT_EQUAL "!= (T_IS_NOT_EQUAL)" 94%token T_IS_IDENTICAL "=== (T_IS_IDENTICAL)" 95%token T_IS_NOT_IDENTICAL "!== (T_IS_NOT_IDENTICAL)" 96%nonassoc '<' T_IS_SMALLER_OR_EQUAL '>' T_IS_GREATER_OR_EQUAL 97%token T_IS_SMALLER_OR_EQUAL "<= (T_IS_SMALLER_OR_EQUAL)" 98%token T_IS_GREATER_OR_EQUAL ">= (T_IS_GREATER_OR_EQUAL)" 99%left T_SL T_SR 100%token T_SL "<< (T_SL)" 101%token T_SR ">> (T_SR)" 102%left '+' '-' '.' 103%left '*' '/' '%' 104%right '!' 105%nonassoc T_INSTANCEOF 106%token T_INSTANCEOF "instanceof (T_INSTANCEOF)" 107%right '~' T_INC T_DEC T_INT_CAST T_DOUBLE_CAST T_STRING_CAST T_ARRAY_CAST T_OBJECT_CAST T_BOOL_CAST T_UNSET_CAST '@' 108%token T_INC "++ (T_INC)" 109%token T_DEC "-- (T_DEC)" 110%token T_INT_CAST "(int) (T_INT_CAST)" 111%token T_DOUBLE_CAST "(double) (T_DOUBLE_CAST)" 112%token T_STRING_CAST "(string) (T_STRING_CAST)" 113%token T_ARRAY_CAST "(array) (T_ARRAY_CAST)" 114%token T_OBJECT_CAST "(object) (T_OBJECT_CAST)" 115%token T_BOOL_CAST "(bool) (T_BOOL_CAST)" 116%token T_UNSET_CAST "(unset) (T_UNSET_CAST)" 117%right '[' 118%nonassoc T_NEW T_CLONE 119%token T_NEW "new (T_NEW)" 120%token T_CLONE "clone (T_CLONE)" 121%token T_EXIT "exit (T_EXIT)" 122%token T_IF "if (T_IF)" 123%left T_ELSEIF 124%token T_ELSEIF "elseif (T_ELSEIF)" 125%left T_ELSE 126%token T_ELSE "else (T_ELSE)" 127%left T_ENDIF 128%token T_ENDIF "endif (T_ENDIF)" 129%token T_LNUMBER "integer number (T_LNUMBER)" 130%token T_DNUMBER "floating-point number (T_DNUMBER)" 131%token T_STRING "identifier (T_STRING)" 132%token T_STRING_VARNAME "variable name (T_STRING_VARNAME)" 133%token T_VARIABLE "variable (T_VARIABLE)" 134%token T_NUM_STRING "number (T_NUM_STRING)" 135%token T_INLINE_HTML 136%token T_CHARACTER 137%token T_BAD_CHARACTER 138%token T_ENCAPSED_AND_WHITESPACE "quoted-string and whitespace (T_ENCAPSED_AND_WHITESPACE)" 139%token T_CONSTANT_ENCAPSED_STRING "quoted-string (T_CONSTANT_ENCAPSED_STRING)" 140%token T_ECHO "echo (T_ECHO)" 141%token T_DO "do (T_DO)" 142%token T_WHILE "while (T_WHILE)" 143%token T_ENDWHILE "endwhile (T_ENDWHILE)" 144%token T_FOR "for (T_FOR)" 145%token T_ENDFOR "endfor (T_ENDFOR)" 146%token T_FOREACH "foreach (T_FOREACH)" 147%token T_ENDFOREACH "endforeach (T_ENDFOREACH)" 148%token T_DECLARE "declare (T_DECLARE)" 149%token T_ENDDECLARE "enddeclare (T_ENDDECLARE)" 150%token T_AS "as (T_AS)" 151%token T_SWITCH "switch (T_SWITCH)" 152%token T_ENDSWITCH "endswitch (T_ENDSWITCH)" 153%token T_CASE "case (T_CASE)" 154%token T_DEFAULT "default (T_DEFAULT)" 155%token T_BREAK "break (T_BREAK)" 156%token T_CONTINUE "continue (T_CONTINUE)" 157%token T_GOTO "goto (T_GOTO)" 158%token T_FUNCTION "function (T_FUNCTION)" 159%token T_CONST "const (T_CONST)" 160%token T_RETURN "return (T_RETURN)" 161%token T_TRY "try (T_TRY)" 162%token T_CATCH "catch (T_CATCH)" 163%token T_THROW "throw (T_THROW)" 164%token T_USE "use (T_USE)" 165%token T_INSTEADOF "insteadof (T_INSTEADOF)" 166%token T_GLOBAL "global (T_GLOBAL)" 167%right T_STATIC T_ABSTRACT T_FINAL T_PRIVATE T_PROTECTED T_PUBLIC 168%token T_STATIC "static (T_STATIC)" 169%token T_ABSTRACT "abstract (T_ABSTRACT)" 170%token T_FINAL "final (T_FINAL)" 171%token T_PRIVATE "private (T_PRIVATE)" 172%token T_PROTECTED "protected (T_PROTECTED)" 173%token T_PUBLIC "public (T_PUBLIC)" 174%token T_VAR "var (T_VAR)" 175%token T_UNSET "unset (T_UNSET)" 176%token T_ISSET "isset (T_ISSET)" 177%token T_EMPTY "empty (T_EMPTY)" 178%token T_HALT_COMPILER "__halt_compiler (T_HALT_COMPILER)" 179%token T_CLASS "class (T_CLASS)" 180%token T_TRAIT "trait (T_TRAIT)" 181%token T_INTERFACE "interface (T_INTERFACE)" 182%token T_EXTENDS "extends (T_EXTENDS)" 183%token T_IMPLEMENTS "implements (T_IMPLEMENTS)" 184%token T_OBJECT_OPERATOR "-> (T_OBJECT_OPERATOR)" 185%token T_DOUBLE_ARROW "=> (T_DOUBLE_ARROW)" 186%token T_LIST "list (T_LIST)" 187%token T_ARRAY "array (T_ARRAY)" 188%token T_CALLABLE "callable (T_CALLABLE)" 189%token T_CLASS_C "__CLASS__ (T_CLASS_C)" 190%token T_TRAIT_C "__TRAIT__ (T_TRAIT_C)" 191%token T_METHOD_C "__METHOD__ (T_METHOD_C)" 192%token T_FUNC_C "__FUNCTION__ (T_FUNC_C)" 193%token T_LINE "__LINE__ (T_LINE)" 194%token T_FILE "__FILE__ (T_FILE)" 195%token T_COMMENT "comment (T_COMMENT)" 196%token T_DOC_COMMENT "doc comment (T_DOC_COMMENT)" 197%token T_OPEN_TAG "open tag (T_OPEN_TAG)" 198%token T_OPEN_TAG_WITH_ECHO "open tag with echo (T_OPEN_TAG_WITH_ECHO)" 199%token T_CLOSE_TAG "close tag (T_CLOSE_TAG)" 200%token T_WHITESPACE "whitespace (T_WHITESPACE)" 201%token T_START_HEREDOC "heredoc start (T_START_HEREDOC)" 202%token T_END_HEREDOC "heredoc end (T_END_HEREDOC)" 203%token T_DOLLAR_OPEN_CURLY_BRACES "${ (T_DOLLAR_OPEN_CURLY_BRACES)" 204%token T_CURLY_OPEN "{$ (T_CURLY_OPEN)" 205%token T_PAAMAYIM_NEKUDOTAYIM ":: (T_PAAMAYIM_NEKUDOTAYIM)" 206%token T_NAMESPACE "namespace (T_NAMESPACE)" 207%token T_NS_C "__NAMESPACE__ (T_NS_C)" 208%token T_DIR "__DIR__ (T_DIR)" 209%token T_NS_SEPARATOR "\\ (T_NS_SEPARATOR)" 210 211%% /* Rules */ 212 213start: 214 top_statement_list { zend_do_end_compilation(TSRMLS_C); } 215; 216 217top_statement_list: 218 top_statement_list { zend_do_extended_info(TSRMLS_C); } top_statement { HANDLE_INTERACTIVE(); } 219 | /* empty */ 220; 221 222namespace_name: 223 T_STRING { $$ = $1; } 224 | namespace_name T_NS_SEPARATOR T_STRING { zend_do_build_namespace_name(&$$, &$1, &$3 TSRMLS_CC); } 225; 226 227top_statement: 228 statement { zend_verify_namespace(TSRMLS_C); } 229 | function_declaration_statement { zend_verify_namespace(TSRMLS_C); zend_do_early_binding(TSRMLS_C); } 230 | class_declaration_statement { zend_verify_namespace(TSRMLS_C); zend_do_early_binding(TSRMLS_C); } 231 | T_HALT_COMPILER '(' ')' ';' { zend_do_halt_compiler_register(TSRMLS_C); YYACCEPT; } 232 | T_NAMESPACE namespace_name ';' { zend_do_begin_namespace(&$2, 0 TSRMLS_CC); } 233 | T_NAMESPACE namespace_name '{' { zend_do_begin_namespace(&$2, 1 TSRMLS_CC); } 234 top_statement_list '}' { zend_do_end_namespace(TSRMLS_C); } 235 | T_NAMESPACE '{' { zend_do_begin_namespace(NULL, 1 TSRMLS_CC); } 236 top_statement_list '}' { zend_do_end_namespace(TSRMLS_C); } 237 | T_USE use_declarations ';' { zend_verify_namespace(TSRMLS_C); } 238 | constant_declaration ';' { zend_verify_namespace(TSRMLS_C); } 239; 240 241use_declarations: 242 use_declarations ',' use_declaration 243 | use_declaration 244; 245 246use_declaration: 247 namespace_name { zend_do_use(&$1, NULL, 0 TSRMLS_CC); } 248 | namespace_name T_AS T_STRING { zend_do_use(&$1, &$3, 0 TSRMLS_CC); } 249 | T_NS_SEPARATOR namespace_name { zend_do_use(&$2, NULL, 1 TSRMLS_CC); } 250 | T_NS_SEPARATOR namespace_name T_AS T_STRING { zend_do_use(&$2, &$4, 1 TSRMLS_CC); } 251; 252 253constant_declaration: 254 constant_declaration ',' T_STRING '=' static_scalar { zend_do_declare_constant(&$3, &$5 TSRMLS_CC); } 255 | T_CONST T_STRING '=' static_scalar { zend_do_declare_constant(&$2, &$4 TSRMLS_CC); } 256; 257 258inner_statement_list: 259 inner_statement_list { zend_do_extended_info(TSRMLS_C); } inner_statement { HANDLE_INTERACTIVE(); } 260 | /* empty */ 261; 262 263 264inner_statement: 265 statement 266 | function_declaration_statement 267 | class_declaration_statement 268 | T_HALT_COMPILER '(' ')' ';' { zend_error(E_COMPILE_ERROR, "__HALT_COMPILER() can only be used from the outermost scope"); } 269; 270 271 272statement: 273 unticked_statement { DO_TICKS(); } 274 | T_STRING ':' { zend_do_label(&$1 TSRMLS_CC); } 275; 276 277unticked_statement: 278 '{' inner_statement_list '}' 279 | T_IF '(' expr ')' { zend_do_if_cond(&$3, &$4 TSRMLS_CC); } statement { zend_do_if_after_statement(&$4, 1 TSRMLS_CC); } elseif_list else_single { zend_do_if_end(TSRMLS_C); } 280 | T_IF '(' expr ')' ':' { zend_do_if_cond(&$3, &$4 TSRMLS_CC); } inner_statement_list { zend_do_if_after_statement(&$4, 1 TSRMLS_CC); } new_elseif_list new_else_single T_ENDIF ';' { zend_do_if_end(TSRMLS_C); } 281 | T_WHILE '(' { $1.u.op.opline_num = get_next_op_number(CG(active_op_array)); } expr ')' { zend_do_while_cond(&$4, &$5 TSRMLS_CC); } while_statement { zend_do_while_end(&$1, &$5 TSRMLS_CC); } 282 | T_DO { $1.u.op.opline_num = get_next_op_number(CG(active_op_array)); zend_do_do_while_begin(TSRMLS_C); } statement T_WHILE '(' { $5.u.op.opline_num = get_next_op_number(CG(active_op_array)); } expr ')' ';' { zend_do_do_while_end(&$1, &$5, &$7 TSRMLS_CC); } 283 | T_FOR 284 '(' 285 for_expr 286 ';' { zend_do_free(&$3 TSRMLS_CC); $4.u.op.opline_num = get_next_op_number(CG(active_op_array)); } 287 for_expr 288 ';' { zend_do_extended_info(TSRMLS_C); zend_do_for_cond(&$6, &$7 TSRMLS_CC); } 289 for_expr 290 ')' { zend_do_free(&$9 TSRMLS_CC); zend_do_for_before_statement(&$4, &$7 TSRMLS_CC); } 291 for_statement { zend_do_for_end(&$7 TSRMLS_CC); } 292 | T_SWITCH '(' expr ')' { zend_do_switch_cond(&$3 TSRMLS_CC); } switch_case_list { zend_do_switch_end(&$6 TSRMLS_CC); } 293 | T_BREAK ';' { zend_do_brk_cont(ZEND_BRK, NULL TSRMLS_CC); } 294 | T_BREAK expr ';' { zend_do_brk_cont(ZEND_BRK, &$2 TSRMLS_CC); } 295 | T_CONTINUE ';' { zend_do_brk_cont(ZEND_CONT, NULL TSRMLS_CC); } 296 | T_CONTINUE expr ';' { zend_do_brk_cont(ZEND_CONT, &$2 TSRMLS_CC); } 297 | T_RETURN ';' { zend_do_return(NULL, 0 TSRMLS_CC); } 298 | T_RETURN expr_without_variable ';' { zend_do_return(&$2, 0 TSRMLS_CC); } 299 | T_RETURN variable ';' { zend_do_return(&$2, 1 TSRMLS_CC); } 300 | T_GLOBAL global_var_list ';' 301 | T_STATIC static_var_list ';' 302 | T_ECHO echo_expr_list ';' 303 | T_INLINE_HTML { zend_do_echo(&$1 TSRMLS_CC); } 304 | expr ';' { zend_do_free(&$1 TSRMLS_CC); } 305 | T_UNSET '(' unset_variables ')' ';' 306 | T_FOREACH '(' variable T_AS 307 { zend_do_foreach_begin(&$1, &$2, &$3, &$4, 1 TSRMLS_CC); } 308 foreach_variable foreach_optional_arg ')' { zend_do_foreach_cont(&$1, &$2, &$4, &$6, &$7 TSRMLS_CC); } 309 foreach_statement { zend_do_foreach_end(&$1, &$4 TSRMLS_CC); } 310 | T_FOREACH '(' expr_without_variable T_AS 311 { zend_do_foreach_begin(&$1, &$2, &$3, &$4, 0 TSRMLS_CC); } 312 variable foreach_optional_arg ')' { zend_check_writable_variable(&$6); zend_do_foreach_cont(&$1, &$2, &$4, &$6, &$7 TSRMLS_CC); } 313 foreach_statement { zend_do_foreach_end(&$1, &$4 TSRMLS_CC); } 314 | T_DECLARE { $1.u.op.opline_num = get_next_op_number(CG(active_op_array)); zend_do_declare_begin(TSRMLS_C); } '(' declare_list ')' declare_statement { zend_do_declare_end(&$1 TSRMLS_CC); } 315 | ';' /* empty statement */ 316 | T_TRY { zend_do_try(&$1 TSRMLS_CC); } '{' inner_statement_list '}' 317 T_CATCH '(' { zend_initialize_try_catch_element(&$1 TSRMLS_CC); } 318 fully_qualified_class_name { zend_do_first_catch(&$7 TSRMLS_CC); } 319 T_VARIABLE ')' { zend_do_begin_catch(&$1, &$9, &$11, &$7 TSRMLS_CC); } 320 '{' inner_statement_list '}' { zend_do_end_catch(&$1 TSRMLS_CC); } 321 additional_catches { zend_do_mark_last_catch(&$7, &$18 TSRMLS_CC); } 322 | T_THROW expr ';' { zend_do_throw(&$2 TSRMLS_CC); } 323 | T_GOTO T_STRING ';' { zend_do_goto(&$2 TSRMLS_CC); } 324; 325 326 327additional_catches: 328 non_empty_additional_catches { $$ = $1; } 329 | /* empty */ { $$.u.op.opline_num = -1; } 330; 331 332non_empty_additional_catches: 333 additional_catch { $$ = $1; } 334 | non_empty_additional_catches additional_catch { $$ = $2; } 335; 336 337 338additional_catch: 339 T_CATCH '(' fully_qualified_class_name { $$.u.op.opline_num = get_next_op_number(CG(active_op_array)); } T_VARIABLE ')' { zend_do_begin_catch(&$1, &$3, &$5, NULL TSRMLS_CC); } '{' inner_statement_list '}' { zend_do_end_catch(&$1 TSRMLS_CC); } 340; 341 342 343unset_variables: 344 unset_variable 345 | unset_variables ',' unset_variable 346; 347 348unset_variable: 349 variable { zend_do_end_variable_parse(&$1, BP_VAR_UNSET, 0 TSRMLS_CC); zend_do_unset(&$1 TSRMLS_CC); } 350; 351 352function_declaration_statement: 353 unticked_function_declaration_statement { DO_TICKS(); } 354; 355 356class_declaration_statement: 357 unticked_class_declaration_statement { DO_TICKS(); } 358; 359 360 361is_reference: 362 /* empty */ { $$.op_type = ZEND_RETURN_VAL; } 363 | '&' { $$.op_type = ZEND_RETURN_REF; } 364; 365 366 367unticked_function_declaration_statement: 368 function is_reference T_STRING { zend_do_begin_function_declaration(&$1, &$3, 0, $2.op_type, NULL TSRMLS_CC); } 369 '(' parameter_list ')' '{' inner_statement_list '}' { zend_do_end_function_declaration(&$1 TSRMLS_CC); } 370; 371 372unticked_class_declaration_statement: 373 class_entry_type T_STRING extends_from 374 { zend_do_begin_class_declaration(&$1, &$2, &$3 TSRMLS_CC); } 375 implements_list 376 '{' 377 class_statement_list 378 '}' { zend_do_end_class_declaration(&$1, &$3 TSRMLS_CC); } 379 | interface_entry T_STRING 380 { zend_do_begin_class_declaration(&$1, &$2, NULL TSRMLS_CC); } 381 interface_extends_list 382 '{' 383 class_statement_list 384 '}' { zend_do_end_class_declaration(&$1, NULL TSRMLS_CC); } 385; 386 387 388class_entry_type: 389 T_CLASS { $$.u.op.opline_num = CG(zend_lineno); $$.EA = 0; } 390 | T_ABSTRACT T_CLASS { $$.u.op.opline_num = CG(zend_lineno); $$.EA = ZEND_ACC_EXPLICIT_ABSTRACT_CLASS; } 391 | T_TRAIT { $$.u.op.opline_num = CG(zend_lineno); $$.EA = ZEND_ACC_TRAIT; } 392 | T_FINAL T_CLASS { $$.u.op.opline_num = CG(zend_lineno); $$.EA = ZEND_ACC_FINAL_CLASS; } 393; 394 395extends_from: 396 /* empty */ { $$.op_type = IS_UNUSED; } 397 | T_EXTENDS fully_qualified_class_name { zend_do_fetch_class(&$$, &$2 TSRMLS_CC); } 398; 399 400interface_entry: 401 T_INTERFACE { $$.u.op.opline_num = CG(zend_lineno); $$.EA = ZEND_ACC_INTERFACE; } 402; 403 404interface_extends_list: 405 /* empty */ 406 | T_EXTENDS interface_list 407; 408 409implements_list: 410 /* empty */ 411 | T_IMPLEMENTS interface_list 412; 413 414interface_list: 415 fully_qualified_class_name { zend_do_implements_interface(&$1 TSRMLS_CC); } 416 | interface_list ',' fully_qualified_class_name { zend_do_implements_interface(&$3 TSRMLS_CC); } 417; 418 419foreach_optional_arg: 420 /* empty */ { $$.op_type = IS_UNUSED; } 421 | T_DOUBLE_ARROW foreach_variable { $$ = $2; } 422; 423 424 425foreach_variable: 426 variable { zend_check_writable_variable(&$1); $$ = $1; } 427 | '&' variable { zend_check_writable_variable(&$2); $$ = $2; $$.EA |= ZEND_PARSED_REFERENCE_VARIABLE; } 428; 429 430for_statement: 431 statement 432 | ':' inner_statement_list T_ENDFOR ';' 433; 434 435 436foreach_statement: 437 statement 438 | ':' inner_statement_list T_ENDFOREACH ';' 439; 440 441 442declare_statement: 443 statement 444 | ':' inner_statement_list T_ENDDECLARE ';' 445; 446 447 448declare_list: 449 T_STRING '=' static_scalar { zend_do_declare_stmt(&$1, &$3 TSRMLS_CC); } 450 | declare_list ',' T_STRING '=' static_scalar { zend_do_declare_stmt(&$3, &$5 TSRMLS_CC); } 451; 452 453 454switch_case_list: 455 '{' case_list '}' { $$ = $2; } 456 | '{' ';' case_list '}' { $$ = $3; } 457 | ':' case_list T_ENDSWITCH ';' { $$ = $2; } 458 | ':' ';' case_list T_ENDSWITCH ';' { $$ = $3; } 459; 460 461 462case_list: 463 /* empty */ { $$.op_type = IS_UNUSED; } 464 | case_list T_CASE expr case_separator { zend_do_extended_info(TSRMLS_C); zend_do_case_before_statement(&$1, &$2, &$3 TSRMLS_CC); } inner_statement_list { zend_do_case_after_statement(&$$, &$2 TSRMLS_CC); $$.op_type = IS_CONST; } 465 | case_list T_DEFAULT case_separator { zend_do_extended_info(TSRMLS_C); zend_do_default_before_statement(&$1, &$2 TSRMLS_CC); } inner_statement_list { zend_do_case_after_statement(&$$, &$2 TSRMLS_CC); $$.op_type = IS_CONST; } 466; 467 468 469case_separator: 470 ':' 471 | ';' 472; 473 474 475while_statement: 476 statement 477 | ':' inner_statement_list T_ENDWHILE ';' 478; 479 480 481 482elseif_list: 483 /* empty */ 484 | elseif_list T_ELSEIF '(' expr ')' { zend_do_if_cond(&$4, &$5 TSRMLS_CC); } statement { zend_do_if_after_statement(&$5, 0 TSRMLS_CC); } 485; 486 487 488new_elseif_list: 489 /* empty */ 490 | new_elseif_list T_ELSEIF '(' expr ')' ':' { zend_do_if_cond(&$4, &$5 TSRMLS_CC); } inner_statement_list { zend_do_if_after_statement(&$5, 0 TSRMLS_CC); } 491; 492 493 494else_single: 495 /* empty */ 496 | T_ELSE statement 497; 498 499 500new_else_single: 501 /* empty */ 502 | T_ELSE ':' inner_statement_list 503; 504 505 506parameter_list: 507 non_empty_parameter_list 508 | /* empty */ 509; 510 511 512non_empty_parameter_list: 513 optional_class_type T_VARIABLE { $$.op_type = IS_UNUSED; $$.u.op.num=1; zend_do_receive_arg(ZEND_RECV, &$2, &$$, NULL, &$1, 0 TSRMLS_CC); } 514 | optional_class_type '&' T_VARIABLE { $$.op_type = IS_UNUSED; $$.u.op.num=1; zend_do_receive_arg(ZEND_RECV, &$3, &$$, NULL, &$1, 1 TSRMLS_CC); } 515 | optional_class_type '&' T_VARIABLE '=' static_scalar { $$.op_type = IS_UNUSED; $$.u.op.num=1; zend_do_receive_arg(ZEND_RECV_INIT, &$3, &$$, &$5, &$1, 1 TSRMLS_CC); } 516 | optional_class_type T_VARIABLE '=' static_scalar { $$.op_type = IS_UNUSED; $$.u.op.num=1; zend_do_receive_arg(ZEND_RECV_INIT, &$2, &$$, &$4, &$1, 0 TSRMLS_CC); } 517 | non_empty_parameter_list ',' optional_class_type T_VARIABLE { $$=$1; $$.u.op.num++; zend_do_receive_arg(ZEND_RECV, &$4, &$$, NULL, &$3, 0 TSRMLS_CC); } 518 | non_empty_parameter_list ',' optional_class_type '&' T_VARIABLE { $$=$1; $$.u.op.num++; zend_do_receive_arg(ZEND_RECV, &$5, &$$, NULL, &$3, 1 TSRMLS_CC); } 519 | non_empty_parameter_list ',' optional_class_type '&' T_VARIABLE '=' static_scalar { $$=$1; $$.u.op.num++; zend_do_receive_arg(ZEND_RECV_INIT, &$5, &$$, &$7, &$3, 1 TSRMLS_CC); } 520 | non_empty_parameter_list ',' optional_class_type T_VARIABLE '=' static_scalar { $$=$1; $$.u.op.num++; zend_do_receive_arg(ZEND_RECV_INIT, &$4, &$$, &$6, &$3, 0 TSRMLS_CC); } 521; 522 523 524optional_class_type: 525 /* empty */ { $$.op_type = IS_UNUSED; } 526 | T_ARRAY { $$.op_type = IS_CONST; Z_TYPE($$.u.constant)=IS_ARRAY; } 527 | T_CALLABLE { $$.op_type = IS_CONST; Z_TYPE($$.u.constant)=IS_CALLABLE; } 528 | fully_qualified_class_name { $$ = $1; } 529; 530 531 532function_call_parameter_list: 533 non_empty_function_call_parameter_list { $$ = $1; } 534 | /* empty */ { Z_LVAL($$.u.constant) = 0; } 535; 536 537 538non_empty_function_call_parameter_list: 539 expr_without_variable { Z_LVAL($$.u.constant) = 1; zend_do_pass_param(&$1, ZEND_SEND_VAL, Z_LVAL($$.u.constant) TSRMLS_CC); } 540 | variable { Z_LVAL($$.u.constant) = 1; zend_do_pass_param(&$1, ZEND_SEND_VAR, Z_LVAL($$.u.constant) TSRMLS_CC); } 541 | '&' w_variable { Z_LVAL($$.u.constant) = 1; zend_do_pass_param(&$2, ZEND_SEND_REF, Z_LVAL($$.u.constant) TSRMLS_CC); } 542 | non_empty_function_call_parameter_list ',' expr_without_variable { Z_LVAL($$.u.constant)=Z_LVAL($1.u.constant)+1; zend_do_pass_param(&$3, ZEND_SEND_VAL, Z_LVAL($$.u.constant) TSRMLS_CC); } 543 | non_empty_function_call_parameter_list ',' variable { Z_LVAL($$.u.constant)=Z_LVAL($1.u.constant)+1; zend_do_pass_param(&$3, ZEND_SEND_VAR, Z_LVAL($$.u.constant) TSRMLS_CC); } 544 | non_empty_function_call_parameter_list ',' '&' w_variable { Z_LVAL($$.u.constant)=Z_LVAL($1.u.constant)+1; zend_do_pass_param(&$4, ZEND_SEND_REF, Z_LVAL($$.u.constant) TSRMLS_CC); } 545; 546 547global_var_list: 548 global_var_list ',' global_var { zend_do_fetch_global_variable(&$3, NULL, ZEND_FETCH_GLOBAL_LOCK TSRMLS_CC); } 549 | global_var { zend_do_fetch_global_variable(&$1, NULL, ZEND_FETCH_GLOBAL_LOCK TSRMLS_CC); } 550; 551 552 553global_var: 554 T_VARIABLE { $$ = $1; } 555 | '$' r_variable { $$ = $2; } 556 | '$' '{' expr '}' { $$ = $3; } 557; 558 559 560static_var_list: 561 static_var_list ',' T_VARIABLE { zend_do_fetch_static_variable(&$3, NULL, ZEND_FETCH_STATIC TSRMLS_CC); } 562 | static_var_list ',' T_VARIABLE '=' static_scalar { zend_do_fetch_static_variable(&$3, &$5, ZEND_FETCH_STATIC TSRMLS_CC); } 563 | T_VARIABLE { zend_do_fetch_static_variable(&$1, NULL, ZEND_FETCH_STATIC TSRMLS_CC); } 564 | T_VARIABLE '=' static_scalar { zend_do_fetch_static_variable(&$1, &$3, ZEND_FETCH_STATIC TSRMLS_CC); } 565 566; 567 568 569class_statement_list: 570 class_statement_list class_statement 571 | /* empty */ 572; 573 574 575class_statement: 576 variable_modifiers { CG(access_type) = Z_LVAL($1.u.constant); } class_variable_declaration ';' 577 | class_constant_declaration ';' 578 | trait_use_statement 579 | method_modifiers function is_reference T_STRING { zend_do_begin_function_declaration(&$2, &$4, 1, $3.op_type, &$1 TSRMLS_CC); } '(' 580 parameter_list ')' method_body { zend_do_abstract_method(&$4, &$1, &$9 TSRMLS_CC); zend_do_end_function_declaration(&$2 TSRMLS_CC); } 581; 582 583trait_use_statement: 584 T_USE trait_list trait_adaptations 585; 586 587trait_list: 588 fully_qualified_class_name { zend_do_use_trait(&$1 TSRMLS_CC); } 589 | trait_list ',' fully_qualified_class_name { zend_do_use_trait(&$3 TSRMLS_CC); } 590; 591 592trait_adaptations: 593 ';' 594 | '{' trait_adaptation_list '}' 595; 596 597trait_adaptation_list: 598 /* empty */ 599 | non_empty_trait_adaptation_list 600; 601 602non_empty_trait_adaptation_list: 603 trait_adaptation_statement 604 | non_empty_trait_adaptation_list trait_adaptation_statement 605; 606 607trait_adaptation_statement: 608 trait_precedence ';' 609 | trait_alias ';' 610; 611 612trait_precedence: 613 trait_method_reference_fully_qualified T_INSTEADOF trait_reference_list { zend_add_trait_precedence(&$1, &$3 TSRMLS_CC); } 614; 615 616trait_reference_list: 617 fully_qualified_class_name { zend_resolve_class_name(&$1, ZEND_FETCH_CLASS_GLOBAL, 1 TSRMLS_CC); zend_init_list(&$$.u.op.ptr, Z_STRVAL($1.u.constant) TSRMLS_CC); } 618 | trait_reference_list ',' fully_qualified_class_name { zend_resolve_class_name(&$3, ZEND_FETCH_CLASS_GLOBAL, 1 TSRMLS_CC); zend_add_to_list(&$1.u.op.ptr, Z_STRVAL($3.u.constant) TSRMLS_CC); $$ = $1; } 619; 620 621trait_method_reference: 622 T_STRING { zend_prepare_reference(&$$, NULL, &$1 TSRMLS_CC); } 623 | trait_method_reference_fully_qualified { $$ = $1; } 624; 625 626trait_method_reference_fully_qualified: 627 fully_qualified_class_name T_PAAMAYIM_NEKUDOTAYIM T_STRING { zend_prepare_reference(&$$, &$1, &$3 TSRMLS_CC); } 628; 629 630trait_alias: 631 trait_method_reference T_AS trait_modifiers T_STRING { zend_add_trait_alias(&$1, &$3, &$4 TSRMLS_CC); } 632 | trait_method_reference T_AS member_modifier { zend_add_trait_alias(&$1, &$3, NULL TSRMLS_CC); } 633; 634 635trait_modifiers: 636 /* empty */ { Z_LVAL($$.u.constant) = 0x0; } /* No change of methods visibility */ 637 | member_modifier { $$ = $1; } /* REM: Keep in mind, there are not only visibility modifiers */ 638; 639 640method_body: 641 ';' /* abstract method */ { Z_LVAL($$.u.constant) = ZEND_ACC_ABSTRACT; } 642 | '{' inner_statement_list '}' { Z_LVAL($$.u.constant) = 0; } 643; 644 645variable_modifiers: 646 non_empty_member_modifiers { $$ = $1; } 647 | T_VAR { Z_LVAL($$.u.constant) = ZEND_ACC_PUBLIC; } 648; 649 650method_modifiers: 651 /* empty */ { Z_LVAL($$.u.constant) = ZEND_ACC_PUBLIC; } 652 | non_empty_member_modifiers { $$ = $1; if (!(Z_LVAL($$.u.constant) & ZEND_ACC_PPP_MASK)) { Z_LVAL($$.u.constant) |= ZEND_ACC_PUBLIC; } } 653; 654 655non_empty_member_modifiers: 656 member_modifier { $$ = $1; } 657 | non_empty_member_modifiers member_modifier { Z_LVAL($$.u.constant) = zend_do_verify_access_types(&$1, &$2); } 658; 659 660member_modifier: 661 T_PUBLIC { Z_LVAL($$.u.constant) = ZEND_ACC_PUBLIC; } 662 | T_PROTECTED { Z_LVAL($$.u.constant) = ZEND_ACC_PROTECTED; } 663 | T_PRIVATE { Z_LVAL($$.u.constant) = ZEND_ACC_PRIVATE; } 664 | T_STATIC { Z_LVAL($$.u.constant) = ZEND_ACC_STATIC; } 665 | T_ABSTRACT { Z_LVAL($$.u.constant) = ZEND_ACC_ABSTRACT; } 666 | T_FINAL { Z_LVAL($$.u.constant) = ZEND_ACC_FINAL; } 667; 668 669class_variable_declaration: 670 class_variable_declaration ',' T_VARIABLE { zend_do_declare_property(&$3, NULL, CG(access_type) TSRMLS_CC); } 671 | class_variable_declaration ',' T_VARIABLE '=' static_scalar { zend_do_declare_property(&$3, &$5, CG(access_type) TSRMLS_CC); } 672 | T_VARIABLE { zend_do_declare_property(&$1, NULL, CG(access_type) TSRMLS_CC); } 673 | T_VARIABLE '=' static_scalar { zend_do_declare_property(&$1, &$3, CG(access_type) TSRMLS_CC); } 674; 675 676class_constant_declaration: 677 class_constant_declaration ',' T_STRING '=' static_scalar { zend_do_declare_class_constant(&$3, &$5 TSRMLS_CC); } 678 | T_CONST T_STRING '=' static_scalar { zend_do_declare_class_constant(&$2, &$4 TSRMLS_CC); } 679; 680 681echo_expr_list: 682 echo_expr_list ',' expr { zend_do_echo(&$3 TSRMLS_CC); } 683 | expr { zend_do_echo(&$1 TSRMLS_CC); } 684; 685 686 687for_expr: 688 /* empty */ { $$.op_type = IS_CONST; Z_TYPE($$.u.constant) = IS_BOOL; Z_LVAL($$.u.constant) = 1; } 689 | non_empty_for_expr { $$ = $1; } 690; 691 692non_empty_for_expr: 693 non_empty_for_expr ',' { zend_do_free(&$1 TSRMLS_CC); } expr { $$ = $4; } 694 | expr { $$ = $1; } 695; 696 697chaining_method_or_property: 698 chaining_method_or_property variable_property { $$.EA = $2.EA; } 699 | variable_property { $$.EA = $1.EA; } 700; 701 702chaining_dereference: 703 chaining_dereference '[' dim_offset ']' { fetch_array_dim(&$$, &$1, &$3 TSRMLS_CC); } 704 | '[' dim_offset ']' { zend_do_pop_object(&$1 TSRMLS_CC); fetch_array_dim(&$$, &$1, &$2 TSRMLS_CC); } 705; 706 707chaining_instance_call: 708 chaining_dereference { zend_do_push_object(&$1 TSRMLS_CC); } chaining_method_or_property { $$ = $3; } 709 | chaining_dereference { zend_do_push_object(&$1 TSRMLS_CC); $$ = $1; } 710 | chaining_method_or_property { $$ = $1; } 711; 712 713instance_call: 714 /* empty */ { $$ = $0; } 715 | { zend_do_push_object(&$0 TSRMLS_CC); zend_do_begin_variable_parse(TSRMLS_C); } 716 chaining_instance_call { zend_do_pop_object(&$$ TSRMLS_CC); zend_do_end_variable_parse(&$2, BP_VAR_R, 0 TSRMLS_CC); } 717; 718 719new_expr: 720 T_NEW class_name_reference { zend_do_extended_fcall_begin(TSRMLS_C); zend_do_begin_new_object(&$1, &$2 TSRMLS_CC); } ctor_arguments { zend_do_end_new_object(&$$, &$1, &$4 TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C);} 721; 722 723expr_without_variable: 724 T_LIST '(' { zend_do_list_init(TSRMLS_C); } assignment_list ')' '=' expr { zend_do_list_end(&$$, &$7 TSRMLS_CC); } 725 | variable '=' expr { zend_check_writable_variable(&$1); zend_do_assign(&$$, &$1, &$3 TSRMLS_CC); } 726 | variable '=' '&' variable { zend_check_writable_variable(&$1); zend_do_end_variable_parse(&$4, BP_VAR_W, 1 TSRMLS_CC); zend_do_end_variable_parse(&$1, BP_VAR_W, 0 TSRMLS_CC); zend_do_assign_ref(&$$, &$1, &$4 TSRMLS_CC); } 727 | variable '=' '&' T_NEW class_name_reference { zend_error(E_DEPRECATED, "Assigning the return value of new by reference is deprecated"); zend_check_writable_variable(&$1); zend_do_extended_fcall_begin(TSRMLS_C); zend_do_begin_new_object(&$4, &$5 TSRMLS_CC); } ctor_arguments { zend_do_end_new_object(&$3, &$4, &$7 TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C); zend_do_end_variable_parse(&$1, BP_VAR_W, 0 TSRMLS_CC); $3.EA = ZEND_PARSED_NEW; zend_do_assign_ref(&$$, &$1, &$3 TSRMLS_CC); } 728 | T_CLONE expr { zend_do_clone(&$$, &$2 TSRMLS_CC); } 729 | variable T_PLUS_EQUAL expr { zend_check_writable_variable(&$1); zend_do_end_variable_parse(&$1, BP_VAR_RW, 0 TSRMLS_CC); zend_do_binary_assign_op(ZEND_ASSIGN_ADD, &$$, &$1, &$3 TSRMLS_CC); } 730 | variable T_MINUS_EQUAL expr { zend_check_writable_variable(&$1); zend_do_end_variable_parse(&$1, BP_VAR_RW, 0 TSRMLS_CC); zend_do_binary_assign_op(ZEND_ASSIGN_SUB, &$$, &$1, &$3 TSRMLS_CC); } 731 | variable T_MUL_EQUAL expr { zend_check_writable_variable(&$1); zend_do_end_variable_parse(&$1, BP_VAR_RW, 0 TSRMLS_CC); zend_do_binary_assign_op(ZEND_ASSIGN_MUL, &$$, &$1, &$3 TSRMLS_CC); } 732 | variable T_DIV_EQUAL expr { zend_check_writable_variable(&$1); zend_do_end_variable_parse(&$1, BP_VAR_RW, 0 TSRMLS_CC); zend_do_binary_assign_op(ZEND_ASSIGN_DIV, &$$, &$1, &$3 TSRMLS_CC); } 733 | variable T_CONCAT_EQUAL expr { zend_check_writable_variable(&$1); zend_do_end_variable_parse(&$1, BP_VAR_RW, 0 TSRMLS_CC); zend_do_binary_assign_op(ZEND_ASSIGN_CONCAT, &$$, &$1, &$3 TSRMLS_CC); } 734 | variable T_MOD_EQUAL expr { zend_check_writable_variable(&$1); zend_do_end_variable_parse(&$1, BP_VAR_RW, 0 TSRMLS_CC); zend_do_binary_assign_op(ZEND_ASSIGN_MOD, &$$, &$1, &$3 TSRMLS_CC); } 735 | variable T_AND_EQUAL expr { zend_check_writable_variable(&$1); zend_do_end_variable_parse(&$1, BP_VAR_RW, 0 TSRMLS_CC); zend_do_binary_assign_op(ZEND_ASSIGN_BW_AND, &$$, &$1, &$3 TSRMLS_CC); } 736 | variable T_OR_EQUAL expr { zend_check_writable_variable(&$1); zend_do_end_variable_parse(&$1, BP_VAR_RW, 0 TSRMLS_CC); zend_do_binary_assign_op(ZEND_ASSIGN_BW_OR, &$$, &$1, &$3 TSRMLS_CC); } 737 | variable T_XOR_EQUAL expr { zend_check_writable_variable(&$1); zend_do_end_variable_parse(&$1, BP_VAR_RW, 0 TSRMLS_CC); zend_do_binary_assign_op(ZEND_ASSIGN_BW_XOR, &$$, &$1, &$3 TSRMLS_CC); } 738 | variable T_SL_EQUAL expr { zend_check_writable_variable(&$1); zend_do_end_variable_parse(&$1, BP_VAR_RW, 0 TSRMLS_CC); zend_do_binary_assign_op(ZEND_ASSIGN_SL, &$$, &$1, &$3 TSRMLS_CC); } 739 | variable T_SR_EQUAL expr { zend_check_writable_variable(&$1); zend_do_end_variable_parse(&$1, BP_VAR_RW, 0 TSRMLS_CC); zend_do_binary_assign_op(ZEND_ASSIGN_SR, &$$, &$1, &$3 TSRMLS_CC); } 740 | rw_variable T_INC { zend_do_post_incdec(&$$, &$1, ZEND_POST_INC TSRMLS_CC); } 741 | T_INC rw_variable { zend_do_pre_incdec(&$$, &$2, ZEND_PRE_INC TSRMLS_CC); } 742 | rw_variable T_DEC { zend_do_post_incdec(&$$, &$1, ZEND_POST_DEC TSRMLS_CC); } 743 | T_DEC rw_variable { zend_do_pre_incdec(&$$, &$2, ZEND_PRE_DEC TSRMLS_CC); } 744 | expr T_BOOLEAN_OR { zend_do_boolean_or_begin(&$1, &$2 TSRMLS_CC); } expr { zend_do_boolean_or_end(&$$, &$1, &$4, &$2 TSRMLS_CC); } 745 | expr T_BOOLEAN_AND { zend_do_boolean_and_begin(&$1, &$2 TSRMLS_CC); } expr { zend_do_boolean_and_end(&$$, &$1, &$4, &$2 TSRMLS_CC); } 746 | expr T_LOGICAL_OR { zend_do_boolean_or_begin(&$1, &$2 TSRMLS_CC); } expr { zend_do_boolean_or_end(&$$, &$1, &$4, &$2 TSRMLS_CC); } 747 | expr T_LOGICAL_AND { zend_do_boolean_and_begin(&$1, &$2 TSRMLS_CC); } expr { zend_do_boolean_and_end(&$$, &$1, &$4, &$2 TSRMLS_CC); } 748 | expr T_LOGICAL_XOR expr { zend_do_binary_op(ZEND_BOOL_XOR, &$$, &$1, &$3 TSRMLS_CC); } 749 | expr '|' expr { zend_do_binary_op(ZEND_BW_OR, &$$, &$1, &$3 TSRMLS_CC); } 750 | expr '&' expr { zend_do_binary_op(ZEND_BW_AND, &$$, &$1, &$3 TSRMLS_CC); } 751 | expr '^' expr { zend_do_binary_op(ZEND_BW_XOR, &$$, &$1, &$3 TSRMLS_CC); } 752 | expr '.' expr { zend_do_binary_op(ZEND_CONCAT, &$$, &$1, &$3 TSRMLS_CC); } 753 | expr '+' expr { zend_do_binary_op(ZEND_ADD, &$$, &$1, &$3 TSRMLS_CC); } 754 | expr '-' expr { zend_do_binary_op(ZEND_SUB, &$$, &$1, &$3 TSRMLS_CC); } 755 | expr '*' expr { zend_do_binary_op(ZEND_MUL, &$$, &$1, &$3 TSRMLS_CC); } 756 | expr '/' expr { zend_do_binary_op(ZEND_DIV, &$$, &$1, &$3 TSRMLS_CC); } 757 | expr '%' expr { zend_do_binary_op(ZEND_MOD, &$$, &$1, &$3 TSRMLS_CC); } 758 | expr T_SL expr { zend_do_binary_op(ZEND_SL, &$$, &$1, &$3 TSRMLS_CC); } 759 | expr T_SR expr { zend_do_binary_op(ZEND_SR, &$$, &$1, &$3 TSRMLS_CC); } 760 | '+' expr %prec T_INC { ZVAL_LONG(&$1.u.constant, 0); if ($2.op_type == IS_CONST) { add_function(&$2.u.constant, &$1.u.constant, &$2.u.constant TSRMLS_CC); $$ = $2; } else { $1.op_type = IS_CONST; INIT_PZVAL(&$1.u.constant); zend_do_binary_op(ZEND_ADD, &$$, &$1, &$2 TSRMLS_CC); } } 761 | '-' expr %prec T_INC { ZVAL_LONG(&$1.u.constant, 0); if ($2.op_type == IS_CONST) { sub_function(&$2.u.constant, &$1.u.constant, &$2.u.constant TSRMLS_CC); $$ = $2; } else { $1.op_type = IS_CONST; INIT_PZVAL(&$1.u.constant); zend_do_binary_op(ZEND_SUB, &$$, &$1, &$2 TSRMLS_CC); } } 762 | '!' expr { zend_do_unary_op(ZEND_BOOL_NOT, &$$, &$2 TSRMLS_CC); } 763 | '~' expr { zend_do_unary_op(ZEND_BW_NOT, &$$, &$2 TSRMLS_CC); } 764 | expr T_IS_IDENTICAL expr { zend_do_binary_op(ZEND_IS_IDENTICAL, &$$, &$1, &$3 TSRMLS_CC); } 765 | expr T_IS_NOT_IDENTICAL expr { zend_do_binary_op(ZEND_IS_NOT_IDENTICAL, &$$, &$1, &$3 TSRMLS_CC); } 766 | expr T_IS_EQUAL expr { zend_do_binary_op(ZEND_IS_EQUAL, &$$, &$1, &$3 TSRMLS_CC); } 767 | expr T_IS_NOT_EQUAL expr { zend_do_binary_op(ZEND_IS_NOT_EQUAL, &$$, &$1, &$3 TSRMLS_CC); } 768 | expr '<' expr { zend_do_binary_op(ZEND_IS_SMALLER, &$$, &$1, &$3 TSRMLS_CC); } 769 | expr T_IS_SMALLER_OR_EQUAL expr { zend_do_binary_op(ZEND_IS_SMALLER_OR_EQUAL, &$$, &$1, &$3 TSRMLS_CC); } 770 | expr '>' expr { zend_do_binary_op(ZEND_IS_SMALLER, &$$, &$3, &$1 TSRMLS_CC); } 771 | expr T_IS_GREATER_OR_EQUAL expr { zend_do_binary_op(ZEND_IS_SMALLER_OR_EQUAL, &$$, &$3, &$1 TSRMLS_CC); } 772 | expr T_INSTANCEOF class_name_reference { zend_do_instanceof(&$$, &$1, &$3, 0 TSRMLS_CC); } 773 | '(' expr ')' { $$ = $2; } 774 | new_expr { $$ = $1; } 775 | '(' new_expr ')' { $$ = $2; } instance_call { $$ = $5; } 776 | expr '?' { zend_do_begin_qm_op(&$1, &$2 TSRMLS_CC); } 777 expr ':' { zend_do_qm_true(&$4, &$2, &$5 TSRMLS_CC); } 778 expr { zend_do_qm_false(&$$, &$7, &$2, &$5 TSRMLS_CC); } 779 | expr '?' ':' { zend_do_jmp_set(&$1, &$2, &$3 TSRMLS_CC); } 780 expr { zend_do_jmp_set_else(&$$, &$5, &$2, &$3 TSRMLS_CC); } 781 | internal_functions_in_yacc { $$ = $1; } 782 | T_INT_CAST expr { zend_do_cast(&$$, &$2, IS_LONG TSRMLS_CC); } 783 | T_DOUBLE_CAST expr { zend_do_cast(&$$, &$2, IS_DOUBLE TSRMLS_CC); } 784 | T_STRING_CAST expr { zend_do_cast(&$$, &$2, IS_STRING TSRMLS_CC); } 785 | T_ARRAY_CAST expr { zend_do_cast(&$$, &$2, IS_ARRAY TSRMLS_CC); } 786 | T_OBJECT_CAST expr { zend_do_cast(&$$, &$2, IS_OBJECT TSRMLS_CC); } 787 | T_BOOL_CAST expr { zend_do_cast(&$$, &$2, IS_BOOL TSRMLS_CC); } 788 | T_UNSET_CAST expr { zend_do_cast(&$$, &$2, IS_NULL TSRMLS_CC); } 789 | T_EXIT exit_expr { zend_do_exit(&$$, &$2 TSRMLS_CC); } 790 | '@' { zend_do_begin_silence(&$1 TSRMLS_CC); } expr { zend_do_end_silence(&$1 TSRMLS_CC); $$ = $3; } 791 | scalar { $$ = $1; } 792 | T_ARRAY '(' array_pair_list ')' { $$ = $3; } 793 | '[' array_pair_list ']' { $$ = $2; } 794 | '`' backticks_expr '`' { zend_do_shell_exec(&$$, &$2 TSRMLS_CC); } 795 | T_PRINT expr { zend_do_print(&$$, &$2 TSRMLS_CC); } 796 | function is_reference '(' { zend_do_begin_lambda_function_declaration(&$$, &$1, $2.op_type, 0 TSRMLS_CC); } 797 parameter_list ')' lexical_vars '{' inner_statement_list '}' { zend_do_end_function_declaration(&$1 TSRMLS_CC); $$ = $4; } 798 | T_STATIC function is_reference '(' { zend_do_begin_lambda_function_declaration(&$$, &$2, $3.op_type, 1 TSRMLS_CC); } 799 parameter_list ')' lexical_vars '{' inner_statement_list '}' { zend_do_end_function_declaration(&$2 TSRMLS_CC); $$ = $5; } 800; 801 802function: 803 T_FUNCTION { $$.u.op.opline_num = CG(zend_lineno); } 804; 805 806lexical_vars: 807 /* empty */ 808 | T_USE '(' lexical_var_list ')' 809; 810 811lexical_var_list: 812 lexical_var_list ',' T_VARIABLE { zend_do_fetch_lexical_variable(&$3, 0 TSRMLS_CC); } 813 | lexical_var_list ',' '&' T_VARIABLE { zend_do_fetch_lexical_variable(&$4, 1 TSRMLS_CC); } 814 | T_VARIABLE { zend_do_fetch_lexical_variable(&$1, 0 TSRMLS_CC); } 815 | '&' T_VARIABLE { zend_do_fetch_lexical_variable(&$2, 1 TSRMLS_CC); } 816; 817 818function_call: 819 namespace_name '(' { $2.u.op.opline_num = zend_do_begin_function_call(&$1, 1 TSRMLS_CC); } 820 function_call_parameter_list 821 ')' { zend_do_end_function_call(&$1, &$$, &$4, 0, $2.u.op.opline_num TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C); } 822 | T_NAMESPACE T_NS_SEPARATOR namespace_name '(' { $1.op_type = IS_CONST; ZVAL_EMPTY_STRING(&$1.u.constant); zend_do_build_namespace_name(&$1, &$1, &$3 TSRMLS_CC); $4.u.op.opline_num = zend_do_begin_function_call(&$1, 0 TSRMLS_CC); } 823 function_call_parameter_list 824 ')' { zend_do_end_function_call(&$1, &$$, &$6, 0, $4.u.op.opline_num TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C); } 825 | T_NS_SEPARATOR namespace_name '(' { $3.u.op.opline_num = zend_do_begin_function_call(&$2, 0 TSRMLS_CC); } 826 function_call_parameter_list 827 ')' { zend_do_end_function_call(&$2, &$$, &$5, 0, $3.u.op.opline_num TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C); } 828 | class_name T_PAAMAYIM_NEKUDOTAYIM variable_name '(' { $4.u.op.opline_num = zend_do_begin_class_member_function_call(&$1, &$3 TSRMLS_CC); } 829 function_call_parameter_list 830 ')' { zend_do_end_function_call($4.u.op.opline_num?NULL:&$3, &$$, &$6, $4.u.op.opline_num, $4.u.op.opline_num TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C);} 831 | class_name T_PAAMAYIM_NEKUDOTAYIM variable_without_objects '(' { zend_do_end_variable_parse(&$3, BP_VAR_R, 0 TSRMLS_CC); zend_do_begin_class_member_function_call(&$1, &$3 TSRMLS_CC); } 832 function_call_parameter_list 833 ')' { zend_do_end_function_call(NULL, &$$, &$6, 1, 1 TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C);} 834 | variable_class_name T_PAAMAYIM_NEKUDOTAYIM variable_name '(' { zend_do_begin_class_member_function_call(&$1, &$3 TSRMLS_CC); } 835 function_call_parameter_list 836 ')' { zend_do_end_function_call(NULL, &$$, &$6, 1, 1 TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C);} 837 | variable_class_name T_PAAMAYIM_NEKUDOTAYIM variable_without_objects '(' { zend_do_end_variable_parse(&$3, BP_VAR_R, 0 TSRMLS_CC); zend_do_begin_class_member_function_call(&$1, &$3 TSRMLS_CC); } 838 function_call_parameter_list 839 ')' { zend_do_end_function_call(NULL, &$$, &$6, 1, 1 TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C);} 840 | variable_without_objects '(' { zend_do_end_variable_parse(&$1, BP_VAR_R, 0 TSRMLS_CC); zend_do_begin_dynamic_function_call(&$1, 0 TSRMLS_CC); } 841 function_call_parameter_list ')' 842 { zend_do_end_function_call(&$1, &$$, &$4, 0, 1 TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C);} 843; 844 845class_name: 846 T_STATIC { $$.op_type = IS_CONST; ZVAL_STRINGL(&$$.u.constant, "static", sizeof("static")-1, 1);} 847 | namespace_name { $$ = $1; } 848 | T_NAMESPACE T_NS_SEPARATOR namespace_name { $$.op_type = IS_CONST; ZVAL_EMPTY_STRING(&$$.u.constant); zend_do_build_namespace_name(&$$, &$$, &$3 TSRMLS_CC); } 849 | T_NS_SEPARATOR namespace_name { char *tmp = estrndup(Z_STRVAL($2.u.constant), Z_STRLEN($2.u.constant)+1); memcpy(&(tmp[1]), Z_STRVAL($2.u.constant), Z_STRLEN($2.u.constant)+1); tmp[0] = '\\'; efree(Z_STRVAL($2.u.constant)); Z_STRVAL($2.u.constant) = tmp; ++Z_STRLEN($2.u.constant); $$ = $2; } 850; 851 852fully_qualified_class_name: 853 namespace_name { $$ = $1; } 854 | T_NAMESPACE T_NS_SEPARATOR namespace_name { $$.op_type = IS_CONST; ZVAL_EMPTY_STRING(&$$.u.constant); zend_do_build_namespace_name(&$$, &$$, &$3 TSRMLS_CC); } 855 | T_NS_SEPARATOR namespace_name { char *tmp = estrndup(Z_STRVAL($2.u.constant), Z_STRLEN($2.u.constant)+1); memcpy(&(tmp[1]), Z_STRVAL($2.u.constant), Z_STRLEN($2.u.constant)+1); tmp[0] = '\\'; efree(Z_STRVAL($2.u.constant)); Z_STRVAL($2.u.constant) = tmp; ++Z_STRLEN($2.u.constant); $$ = $2; } 856; 857 858 859 860class_name_reference: 861 class_name { zend_do_fetch_class(&$$, &$1 TSRMLS_CC); } 862 | dynamic_class_name_reference { zend_do_end_variable_parse(&$1, BP_VAR_R, 0 TSRMLS_CC); zend_do_fetch_class(&$$, &$1 TSRMLS_CC); } 863; 864 865 866dynamic_class_name_reference: 867 base_variable T_OBJECT_OPERATOR { zend_do_push_object(&$1 TSRMLS_CC); } 868 object_property { zend_do_push_object(&$4 TSRMLS_CC); } dynamic_class_name_variable_properties 869 { zend_do_pop_object(&$$ TSRMLS_CC); $$.EA = ZEND_PARSED_MEMBER; } 870 | base_variable { $$ = $1; } 871; 872 873 874dynamic_class_name_variable_properties: 875 dynamic_class_name_variable_properties dynamic_class_name_variable_property 876 | /* empty */ 877; 878 879 880dynamic_class_name_variable_property: 881 T_OBJECT_OPERATOR object_property { zend_do_push_object(&$2 TSRMLS_CC); } 882; 883 884exit_expr: 885 /* empty */ { memset(&$$, 0, sizeof(znode)); $$.op_type = IS_UNUSED; } 886 | '(' ')' { memset(&$$, 0, sizeof(znode)); $$.op_type = IS_UNUSED; } 887 | '(' expr ')' { $$ = $2; } 888; 889 890backticks_expr: 891 /* empty */ { ZVAL_EMPTY_STRING(&$$.u.constant); INIT_PZVAL(&$$.u.constant); $$.op_type = IS_CONST; } 892 | T_ENCAPSED_AND_WHITESPACE { $$ = $1; } 893 | encaps_list { $$ = $1; } 894; 895 896 897ctor_arguments: 898 /* empty */ { Z_LVAL($$.u.constant)=0; } 899 | '(' function_call_parameter_list ')' { $$ = $2; } 900; 901 902 903common_scalar: 904 T_LNUMBER { $$ = $1; } 905 | T_DNUMBER { $$ = $1; } 906 | T_CONSTANT_ENCAPSED_STRING { $$ = $1; } 907 | T_LINE { $$ = $1; } 908 | T_FILE { $$ = $1; } 909 | T_DIR { $$ = $1; } 910 | T_TRAIT_C { $$ = $1; } 911 | T_METHOD_C { $$ = $1; } 912 | T_FUNC_C { $$ = $1; } 913 | T_NS_C { $$ = $1; } 914 | T_START_HEREDOC T_ENCAPSED_AND_WHITESPACE T_END_HEREDOC { $$ = $2; CG(heredoc) = Z_STRVAL($1.u.constant); CG(heredoc_len) = Z_STRLEN($1.u.constant); } 915 | T_START_HEREDOC T_END_HEREDOC { ZVAL_EMPTY_STRING(&$$.u.constant); INIT_PZVAL(&$$.u.constant); $$.op_type = IS_CONST; CG(heredoc) = Z_STRVAL($1.u.constant); CG(heredoc_len) = Z_STRLEN($1.u.constant); } 916; 917 918 919static_scalar: /* compile-time evaluated scalars */ 920 common_scalar { $$ = $1; } 921 | namespace_name { zend_do_fetch_constant(&$$, NULL, &$1, ZEND_CT, 1 TSRMLS_CC); } 922 | T_NAMESPACE T_NS_SEPARATOR namespace_name { $$.op_type = IS_CONST; ZVAL_EMPTY_STRING(&$$.u.constant); zend_do_build_namespace_name(&$$, &$$, &$3 TSRMLS_CC); $3 = $$; zend_do_fetch_constant(&$$, NULL, &$3, ZEND_CT, 0 TSRMLS_CC); } 923 | T_NS_SEPARATOR namespace_name { char *tmp = estrndup(Z_STRVAL($2.u.constant), Z_STRLEN($2.u.constant)+1); memcpy(&(tmp[1]), Z_STRVAL($2.u.constant), Z_STRLEN($2.u.constant)+1); tmp[0] = '\\'; efree(Z_STRVAL($2.u.constant)); Z_STRVAL($2.u.constant) = tmp; ++Z_STRLEN($2.u.constant); zend_do_fetch_constant(&$$, NULL, &$2, ZEND_CT, 0 TSRMLS_CC); } 924 | '+' static_scalar { ZVAL_LONG(&$1.u.constant, 0); add_function(&$2.u.constant, &$1.u.constant, &$2.u.constant TSRMLS_CC); $$ = $2; } 925 | '-' static_scalar { ZVAL_LONG(&$1.u.constant, 0); sub_function(&$2.u.constant, &$1.u.constant, &$2.u.constant TSRMLS_CC); $$ = $2; } 926 | T_ARRAY '(' static_array_pair_list ')' { $$ = $3; Z_TYPE($$.u.constant) = IS_CONSTANT_ARRAY; } 927 | '[' static_array_pair_list ']' { $$ = $2; Z_TYPE($$.u.constant) = IS_CONSTANT_ARRAY; } 928 | static_class_constant { $$ = $1; } 929 | T_CLASS_C { $$ = $1; } 930; 931 932static_class_constant: 933 class_name T_PAAMAYIM_NEKUDOTAYIM T_STRING { zend_do_fetch_constant(&$$, &$1, &$3, ZEND_CT, 0 TSRMLS_CC); } 934; 935 936scalar: 937 T_STRING_VARNAME { $$ = $1; } 938 | class_constant { $$ = $1; } 939 | namespace_name { zend_do_fetch_constant(&$$, NULL, &$1, ZEND_RT, 1 TSRMLS_CC); } 940 | T_NAMESPACE T_NS_SEPARATOR namespace_name { $$.op_type = IS_CONST; ZVAL_EMPTY_STRING(&$$.u.constant); zend_do_build_namespace_name(&$$, &$$, &$3 TSRMLS_CC); $3 = $$; zend_do_fetch_constant(&$$, NULL, &$3, ZEND_RT, 0 TSRMLS_CC); } 941 | T_NS_SEPARATOR namespace_name { char *tmp = estrndup(Z_STRVAL($2.u.constant), Z_STRLEN($2.u.constant)+1); memcpy(&(tmp[1]), Z_STRVAL($2.u.constant), Z_STRLEN($2.u.constant)+1); tmp[0] = '\\'; efree(Z_STRVAL($2.u.constant)); Z_STRVAL($2.u.constant) = tmp; ++Z_STRLEN($2.u.constant); zend_do_fetch_constant(&$$, NULL, &$2, ZEND_RT, 0 TSRMLS_CC); } 942 | common_scalar { $$ = $1; } 943 | '"' encaps_list '"' { $$ = $2; } 944 | T_START_HEREDOC encaps_list T_END_HEREDOC { $$ = $2; CG(heredoc) = Z_STRVAL($1.u.constant); CG(heredoc_len) = Z_STRLEN($1.u.constant); } 945 | T_CLASS_C { if (Z_TYPE($1.u.constant) == IS_CONSTANT) {zend_do_fetch_constant(&$$, NULL, &$1, ZEND_RT, 1 TSRMLS_CC);} else {$$ = $1;} } 946; 947 948 949static_array_pair_list: 950 /* empty */ { $$.op_type = IS_CONST; INIT_PZVAL(&$$.u.constant); array_init(&$$.u.constant); } 951 | non_empty_static_array_pair_list possible_comma { $$ = $1; } 952; 953 954possible_comma: 955 /* empty */ 956 | ',' 957; 958 959non_empty_static_array_pair_list: 960 non_empty_static_array_pair_list ',' static_scalar T_DOUBLE_ARROW static_scalar { zend_do_add_static_array_element(&$$, &$3, &$5); } 961 | non_empty_static_array_pair_list ',' static_scalar { zend_do_add_static_array_element(&$$, NULL, &$3); } 962 | static_scalar T_DOUBLE_ARROW static_scalar { $$.op_type = IS_CONST; INIT_PZVAL(&$$.u.constant); array_init(&$$.u.constant); zend_do_add_static_array_element(&$$, &$1, &$3); } 963 | static_scalar { $$.op_type = IS_CONST; INIT_PZVAL(&$$.u.constant); array_init(&$$.u.constant); zend_do_add_static_array_element(&$$, NULL, &$1); } 964; 965 966expr: 967 r_variable { $$ = $1; } 968 | expr_without_variable { $$ = $1; } 969; 970 971 972r_variable: 973 variable { zend_do_end_variable_parse(&$1, BP_VAR_R, 0 TSRMLS_CC); $$ = $1; } 974; 975 976 977w_variable: 978 variable { zend_do_end_variable_parse(&$1, BP_VAR_W, 0 TSRMLS_CC); $$ = $1; 979 zend_check_writable_variable(&$1); } 980; 981 982rw_variable: 983 variable { zend_do_end_variable_parse(&$1, BP_VAR_RW, 0 TSRMLS_CC); $$ = $1; 984 zend_check_writable_variable(&$1); } 985; 986 987variable: 988 base_variable_with_function_calls T_OBJECT_OPERATOR { zend_do_push_object(&$1 TSRMLS_CC); } 989 object_property { zend_do_push_object(&$4 TSRMLS_CC); } method_or_not variable_properties 990 { zend_do_pop_object(&$$ TSRMLS_CC); $$.EA = $1.EA | ($7.EA ? $7.EA : $6.EA); } 991 | base_variable_with_function_calls { $$ = $1; } 992; 993 994variable_properties: 995 variable_properties variable_property { $$.EA = $2.EA; } 996 | /* empty */ { $$.EA = 0; } 997; 998 999 1000variable_property: 1001 T_OBJECT_OPERATOR object_property { zend_do_push_object(&$2 TSRMLS_CC); } method_or_not { $$.EA = $4.EA; } 1002; 1003 1004array_method_dereference: 1005 array_method_dereference '[' dim_offset ']' { fetch_array_dim(&$$, &$1, &$3 TSRMLS_CC); } 1006 | method '[' dim_offset ']' { $1.EA = ZEND_PARSED_METHOD_CALL; fetch_array_dim(&$$, &$1, &$3 TSRMLS_CC); } 1007; 1008 1009method: 1010 '(' { zend_do_pop_object(&$1 TSRMLS_CC); zend_do_begin_method_call(&$1 TSRMLS_CC); } 1011 function_call_parameter_list ')' 1012 { zend_do_end_function_call(&$1, &$$, &$3, 1, 1 TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C); } 1013; 1014 1015method_or_not: 1016 method { $$ = $1; $$.EA = ZEND_PARSED_METHOD_CALL; zend_do_push_object(&$$ TSRMLS_CC); } 1017 | array_method_dereference { $$ = $1; zend_do_push_object(&$$ TSRMLS_CC); } 1018 | /* empty */ { $$.EA = ZEND_PARSED_MEMBER; } 1019; 1020 1021variable_without_objects: 1022 reference_variable { $$ = $1; } 1023 | simple_indirect_reference reference_variable { zend_do_indirect_references(&$$, &$1, &$2 TSRMLS_CC); } 1024; 1025 1026static_member: 1027 class_name T_PAAMAYIM_NEKUDOTAYIM variable_without_objects { $$ = $3; zend_do_fetch_static_member(&$$, &$1 TSRMLS_CC); } 1028 | variable_class_name T_PAAMAYIM_NEKUDOTAYIM variable_without_objects { $$ = $3; zend_do_fetch_static_member(&$$, &$1 TSRMLS_CC); } 1029 1030; 1031 1032variable_class_name: 1033 reference_variable { zend_do_end_variable_parse(&$1, BP_VAR_R, 0 TSRMLS_CC); $$=$1;; } 1034; 1035 1036array_function_dereference: 1037 array_function_dereference '[' dim_offset ']' { fetch_array_dim(&$$, &$1, &$3 TSRMLS_CC); } 1038 | function_call { zend_do_begin_variable_parse(TSRMLS_C); $1.EA = ZEND_PARSED_FUNCTION_CALL; } 1039 '[' dim_offset ']' { fetch_array_dim(&$$, &$1, &$4 TSRMLS_CC); } 1040; 1041 1042base_variable_with_function_calls: 1043 base_variable { $$ = $1; } 1044 | array_function_dereference { $$ = $1; } 1045 | function_call { zend_do_begin_variable_parse(TSRMLS_C); $$ = $1; $$.EA = ZEND_PARSED_FUNCTION_CALL; } 1046; 1047 1048 1049base_variable: 1050 reference_variable { $$ = $1; $$.EA = ZEND_PARSED_VARIABLE; } 1051 | simple_indirect_reference reference_variable { zend_do_indirect_references(&$$, &$1, &$2 TSRMLS_CC); $$.EA = ZEND_PARSED_VARIABLE; } 1052 | static_member { $$ = $1; $$.EA = ZEND_PARSED_STATIC_MEMBER; } 1053; 1054 1055reference_variable: 1056 reference_variable '[' dim_offset ']' { fetch_array_dim(&$$, &$1, &$3 TSRMLS_CC); } 1057 | reference_variable '{' expr '}' { fetch_string_offset(&$$, &$1, &$3 TSRMLS_CC); } 1058 | compound_variable { zend_do_begin_variable_parse(TSRMLS_C); fetch_simple_variable(&$$, &$1, 1 TSRMLS_CC); } 1059; 1060 1061 1062compound_variable: 1063 T_VARIABLE { $$ = $1; } 1064 | '$' '{' expr '}' { $$ = $3; } 1065; 1066 1067dim_offset: 1068 /* empty */ { $$.op_type = IS_UNUSED; } 1069 | expr { $$ = $1; } 1070; 1071 1072 1073object_property: 1074 object_dim_list { $$ = $1; } 1075 | variable_without_objects { zend_do_end_variable_parse(&$1, BP_VAR_R, 0 TSRMLS_CC); } { znode tmp_znode; zend_do_pop_object(&tmp_znode TSRMLS_CC); zend_do_fetch_property(&$$, &tmp_znode, &$1 TSRMLS_CC);} 1076; 1077 1078object_dim_list: 1079 object_dim_list '[' dim_offset ']' { fetch_array_dim(&$$, &$1, &$3 TSRMLS_CC); } 1080 | object_dim_list '{' expr '}' { fetch_string_offset(&$$, &$1, &$3 TSRMLS_CC); } 1081 | variable_name { znode tmp_znode; zend_do_pop_object(&tmp_znode TSRMLS_CC); zend_do_fetch_property(&$$, &tmp_znode, &$1 TSRMLS_CC);} 1082; 1083 1084variable_name: 1085 T_STRING { $$ = $1; } 1086 | '{' expr '}' { $$ = $2; } 1087; 1088 1089simple_indirect_reference: 1090 '$' { Z_LVAL($$.u.constant) = 1; } 1091 | simple_indirect_reference '$' { Z_LVAL($$.u.constant)++; } 1092; 1093 1094assignment_list: 1095 assignment_list ',' assignment_list_element 1096 | assignment_list_element 1097; 1098 1099 1100assignment_list_element: 1101 variable { zend_do_add_list_element(&$1 TSRMLS_CC); } 1102 | T_LIST '(' { zend_do_new_list_begin(TSRMLS_C); } assignment_list ')' { zend_do_new_list_end(TSRMLS_C); } 1103 | /* empty */ { zend_do_add_list_element(NULL TSRMLS_CC); } 1104; 1105 1106 1107array_pair_list: 1108 /* empty */ { zend_do_init_array(&$$, NULL, NULL, 0 TSRMLS_CC); } 1109 | non_empty_array_pair_list possible_comma { $$ = $1; } 1110; 1111 1112non_empty_array_pair_list: 1113 non_empty_array_pair_list ',' expr T_DOUBLE_ARROW expr { zend_do_add_array_element(&$$, &$5, &$3, 0 TSRMLS_CC); } 1114 | non_empty_array_pair_list ',' expr { zend_do_add_array_element(&$$, &$3, NULL, 0 TSRMLS_CC); } 1115 | expr T_DOUBLE_ARROW expr { zend_do_init_array(&$$, &$3, &$1, 0 TSRMLS_CC); } 1116 | expr { zend_do_init_array(&$$, &$1, NULL, 0 TSRMLS_CC); } 1117 | non_empty_array_pair_list ',' expr T_DOUBLE_ARROW '&' w_variable { zend_do_add_array_element(&$$, &$6, &$3, 1 TSRMLS_CC); } 1118 | non_empty_array_pair_list ',' '&' w_variable { zend_do_add_array_element(&$$, &$4, NULL, 1 TSRMLS_CC); } 1119 | expr T_DOUBLE_ARROW '&' w_variable { zend_do_init_array(&$$, &$4, &$1, 1 TSRMLS_CC); } 1120 | '&' w_variable { zend_do_init_array(&$$, &$2, NULL, 1 TSRMLS_CC); } 1121; 1122 1123encaps_list: 1124 encaps_list encaps_var { zend_do_end_variable_parse(&$2, BP_VAR_R, 0 TSRMLS_CC); zend_do_add_variable(&$$, &$1, &$2 TSRMLS_CC); } 1125 | encaps_list T_ENCAPSED_AND_WHITESPACE { zend_do_add_string(&$$, &$1, &$2 TSRMLS_CC); } 1126 | encaps_var { zend_do_end_variable_parse(&$1, BP_VAR_R, 0 TSRMLS_CC); zend_do_add_variable(&$$, NULL, &$1 TSRMLS_CC); } 1127 | T_ENCAPSED_AND_WHITESPACE encaps_var { zend_do_add_string(&$$, NULL, &$1 TSRMLS_CC); zend_do_end_variable_parse(&$2, BP_VAR_R, 0 TSRMLS_CC); zend_do_add_variable(&$$, &$$, &$2 TSRMLS_CC); } 1128; 1129 1130 1131 1132encaps_var: 1133 T_VARIABLE { zend_do_begin_variable_parse(TSRMLS_C); fetch_simple_variable(&$$, &$1, 1 TSRMLS_CC); } 1134 | T_VARIABLE '[' { zend_do_begin_variable_parse(TSRMLS_C); } encaps_var_offset ']' { fetch_array_begin(&$$, &$1, &$4 TSRMLS_CC); } 1135 | T_VARIABLE T_OBJECT_OPERATOR T_STRING { zend_do_begin_variable_parse(TSRMLS_C); fetch_simple_variable(&$2, &$1, 1 TSRMLS_CC); zend_do_fetch_property(&$$, &$2, &$3 TSRMLS_CC); } 1136 | T_DOLLAR_OPEN_CURLY_BRACES expr '}' { zend_do_begin_variable_parse(TSRMLS_C); fetch_simple_variable(&$$, &$2, 1 TSRMLS_CC); } 1137 | T_DOLLAR_OPEN_CURLY_BRACES T_STRING_VARNAME '[' expr ']' '}' { zend_do_begin_variable_parse(TSRMLS_C); fetch_array_begin(&$$, &$2, &$4 TSRMLS_CC); } 1138 | T_CURLY_OPEN variable '}' { $$ = $2; } 1139; 1140 1141 1142encaps_var_offset: 1143 T_STRING { $$ = $1; } 1144 | T_NUM_STRING { $$ = $1; } 1145 | T_VARIABLE { fetch_simple_variable(&$$, &$1, 1 TSRMLS_CC); } 1146; 1147 1148 1149internal_functions_in_yacc: 1150 T_ISSET '(' isset_variables ')' { $$ = $3; } 1151 | T_EMPTY '(' variable ')' { zend_do_isset_or_isempty(ZEND_ISEMPTY, &$$, &$3 TSRMLS_CC); } 1152 | T_INCLUDE expr { zend_do_include_or_eval(ZEND_INCLUDE, &$$, &$2 TSRMLS_CC); } 1153 | T_INCLUDE_ONCE expr { zend_do_include_or_eval(ZEND_INCLUDE_ONCE, &$$, &$2 TSRMLS_CC); } 1154 | T_EVAL '(' expr ')' { zend_do_include_or_eval(ZEND_EVAL, &$$, &$3 TSRMLS_CC); } 1155 | T_REQUIRE expr { zend_do_include_or_eval(ZEND_REQUIRE, &$$, &$2 TSRMLS_CC); } 1156 | T_REQUIRE_ONCE expr { zend_do_include_or_eval(ZEND_REQUIRE_ONCE, &$$, &$2 TSRMLS_CC); } 1157; 1158 1159isset_variables: 1160 variable { zend_do_isset_or_isempty(ZEND_ISSET, &$$, &$1 TSRMLS_CC); } 1161 | isset_variables ',' { zend_do_boolean_and_begin(&$1, &$2 TSRMLS_CC); } variable { znode tmp; zend_do_isset_or_isempty(ZEND_ISSET, &tmp, &$4 TSRMLS_CC); zend_do_boolean_and_end(&$$, &$1, &tmp, &$2 TSRMLS_CC); } 1162; 1163 1164class_constant: 1165 class_name T_PAAMAYIM_NEKUDOTAYIM T_STRING { zend_do_fetch_constant(&$$, &$1, &$3, ZEND_RT, 0 TSRMLS_CC); } 1166 | variable_class_name T_PAAMAYIM_NEKUDOTAYIM T_STRING { zend_do_fetch_constant(&$$, &$1, &$3, ZEND_RT, 0 TSRMLS_CC); } 1167; 1168 1169%% 1170 1171/* Copy to YYRES the contents of YYSTR after stripping away unnecessary 1172 quotes and backslashes, so that it's suitable for yyerror. The 1173 heuristic is that double-quoting is unnecessary unless the string 1174 contains an apostrophe, a comma, or backslash (other than 1175 backslash-backslash). YYSTR is taken from yytname. If YYRES is 1176 null, do not copy; instead, return the length of what the result 1177 would have been. */ 1178static YYSIZE_T zend_yytnamerr(char *yyres, const char *yystr) 1179{ 1180 if (!yyres) { 1181 return yystrlen(yystr); 1182 } 1183 { 1184 TSRMLS_FETCH(); 1185 if (CG(parse_error) == 0) { 1186 char buffer[120]; 1187 const unsigned char *end, *str, *tok1 = NULL, *tok2 = NULL; 1188 unsigned int len = 0, toklen = 0, yystr_len; 1189 1190 CG(parse_error) = 1; 1191 1192 if (LANG_SCNG(yy_text)[0] == 0 && 1193 LANG_SCNG(yy_leng) == 1 && 1194 memcmp(yystr, "\"end of file\"", sizeof("\"end of file\"") - 1) == 0) { 1195 yystpcpy(yyres, "end of file"); 1196 return sizeof("end of file")-1; 1197 } 1198 1199 str = LANG_SCNG(yy_text); 1200 end = memchr(str, '\n', LANG_SCNG(yy_leng)); 1201 yystr_len = yystrlen(yystr); 1202 1203 if ((tok1 = memchr(yystr, '(', yystr_len)) != NULL 1204 && (tok2 = zend_memrchr(yystr, ')', yystr_len)) != NULL) { 1205 toklen = (tok2 - tok1) + 1; 1206 } else { 1207 tok1 = tok2 = NULL; 1208 toklen = 0; 1209 } 1210 1211 if (end == NULL) { 1212 len = LANG_SCNG(yy_leng) > 30 ? 30 : LANG_SCNG(yy_leng); 1213 } else { 1214 len = (end - str) > 30 ? 30 : (end - str); 1215 } 1216 if (toklen) { 1217 snprintf(buffer, sizeof(buffer), "'%.*s' %.*s", len, str, toklen, tok1); 1218 } else { 1219 snprintf(buffer, sizeof(buffer), "'%.*s'", len, str); 1220 } 1221 yystpcpy(yyres, buffer); 1222 return len + (toklen ? toklen + 1 : 0) + 2; 1223 } 1224 } 1225 if (*yystr == '"') { 1226 YYSIZE_T yyn = 0; 1227 const char *yyp = yystr; 1228 1229 for (; *++yyp != '"'; ++yyn) { 1230 yyres[yyn] = *yyp; 1231 } 1232 yyres[yyn] = '\0'; 1233 return yyn; 1234 } 1235 yystpcpy(yyres, yystr); 1236 return strlen(yystr); 1237} 1238 1239/* 1240 * Local variables: 1241 * tab-width: 4 1242 * c-basic-offset: 4 1243 * indent-tabs-mode: t 1244 * End: 1245 */ 1246