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 45%} 46 47%pure_parser 48%expect 3 49 50%code requires { 51#ifdef ZTS 52# define YYPARSE_PARAM tsrm_ls 53# define YYLEX_PARAM tsrm_ls 54#endif 55} 56 57%token END 0 "end of file" 58%left T_INCLUDE T_INCLUDE_ONCE T_EVAL T_REQUIRE T_REQUIRE_ONCE 59%token T_INCLUDE "include (T_INCLUDE)" 60%token T_INCLUDE_ONCE "include_once (T_INCLUDE_ONCE)" 61%token T_EVAL "eval (T_EVAL)" 62%token T_REQUIRE "require (T_REQUIRE)" 63%token T_REQUIRE_ONCE "require_once (T_REQUIRE_ONCE)" 64%left ',' 65%left T_LOGICAL_OR 66%token T_LOGICAL_OR "or (T_LOGICAL_OR)" 67%left T_LOGICAL_XOR 68%token T_LOGICAL_XOR "xor (T_LOGICAL_XOR)" 69%left T_LOGICAL_AND 70%token T_LOGICAL_AND "and (T_LOGICAL_AND)" 71%right T_PRINT 72%token T_PRINT "print (T_PRINT)" 73%right T_YIELD 74%token T_YIELD "yield (T_YIELD)" 75%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 76%token T_PLUS_EQUAL "+= (T_PLUS_EQUAL)" 77%token T_MINUS_EQUAL "-= (T_MINUS_EQUAL)" 78%token T_MUL_EQUAL "*= (T_MUL_EQUAL)" 79%token T_DIV_EQUAL "/= (T_DIV_EQUAL)" 80%token T_CONCAT_EQUAL ".= (T_CONCAT_EQUAL)" 81%token T_MOD_EQUAL "%= (T_MOD_EQUAL)" 82%token T_AND_EQUAL "&= (T_AND_EQUAL)" 83%token T_OR_EQUAL "|= (T_OR_EQUAL)" 84%token T_XOR_EQUAL "^= (T_XOR_EQUAL)" 85%token T_SL_EQUAL "<<= (T_SL_EQUAL)" 86%token T_SR_EQUAL ">>= (T_SR_EQUAL)" 87%left '?' ':' 88%left T_BOOLEAN_OR 89%token T_BOOLEAN_OR "|| (T_BOOLEAN_OR)" 90%left T_BOOLEAN_AND 91%token T_BOOLEAN_AND "&& (T_BOOLEAN_AND)" 92%left '|' 93%left '^' 94%left '&' 95%nonassoc T_IS_EQUAL T_IS_NOT_EQUAL T_IS_IDENTICAL T_IS_NOT_IDENTICAL 96%token T_IS_EQUAL "== (T_IS_EQUAL)" 97%token T_IS_NOT_EQUAL "!= (T_IS_NOT_EQUAL)" 98%token T_IS_IDENTICAL "=== (T_IS_IDENTICAL)" 99%token T_IS_NOT_IDENTICAL "!== (T_IS_NOT_IDENTICAL)" 100%nonassoc '<' T_IS_SMALLER_OR_EQUAL '>' T_IS_GREATER_OR_EQUAL 101%token T_IS_SMALLER_OR_EQUAL "<= (T_IS_SMALLER_OR_EQUAL)" 102%token T_IS_GREATER_OR_EQUAL ">= (T_IS_GREATER_OR_EQUAL)" 103%left T_SL T_SR 104%token T_SL "<< (T_SL)" 105%token T_SR ">> (T_SR)" 106%left '+' '-' '.' 107%left '*' '/' '%' 108%right '!' 109%nonassoc T_INSTANCEOF 110%token T_INSTANCEOF "instanceof (T_INSTANCEOF)" 111%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 '@' 112%token T_INC "++ (T_INC)" 113%token T_DEC "-- (T_DEC)" 114%token T_INT_CAST "(int) (T_INT_CAST)" 115%token T_DOUBLE_CAST "(double) (T_DOUBLE_CAST)" 116%token T_STRING_CAST "(string) (T_STRING_CAST)" 117%token T_ARRAY_CAST "(array) (T_ARRAY_CAST)" 118%token T_OBJECT_CAST "(object) (T_OBJECT_CAST)" 119%token T_BOOL_CAST "(bool) (T_BOOL_CAST)" 120%token T_UNSET_CAST "(unset) (T_UNSET_CAST)" 121%right '[' 122%nonassoc T_NEW T_CLONE 123%token T_NEW "new (T_NEW)" 124%token T_CLONE "clone (T_CLONE)" 125%token T_EXIT "exit (T_EXIT)" 126%token T_IF "if (T_IF)" 127%left T_ELSEIF 128%token T_ELSEIF "elseif (T_ELSEIF)" 129%left T_ELSE 130%token T_ELSE "else (T_ELSE)" 131%left T_ENDIF 132%token T_ENDIF "endif (T_ENDIF)" 133%token T_LNUMBER "integer number (T_LNUMBER)" 134%token T_DNUMBER "floating-point number (T_DNUMBER)" 135%token T_STRING "identifier (T_STRING)" 136%token T_STRING_VARNAME "variable name (T_STRING_VARNAME)" 137%token T_VARIABLE "variable (T_VARIABLE)" 138%token T_NUM_STRING "number (T_NUM_STRING)" 139%token T_INLINE_HTML 140%token T_CHARACTER 141%token T_BAD_CHARACTER 142%token T_ENCAPSED_AND_WHITESPACE "quoted-string and whitespace (T_ENCAPSED_AND_WHITESPACE)" 143%token T_CONSTANT_ENCAPSED_STRING "quoted-string (T_CONSTANT_ENCAPSED_STRING)" 144%token T_ECHO "echo (T_ECHO)" 145%token T_DO "do (T_DO)" 146%token T_WHILE "while (T_WHILE)" 147%token T_ENDWHILE "endwhile (T_ENDWHILE)" 148%token T_FOR "for (T_FOR)" 149%token T_ENDFOR "endfor (T_ENDFOR)" 150%token T_FOREACH "foreach (T_FOREACH)" 151%token T_ENDFOREACH "endforeach (T_ENDFOREACH)" 152%token T_DECLARE "declare (T_DECLARE)" 153%token T_ENDDECLARE "enddeclare (T_ENDDECLARE)" 154%token T_AS "as (T_AS)" 155%token T_SWITCH "switch (T_SWITCH)" 156%token T_ENDSWITCH "endswitch (T_ENDSWITCH)" 157%token T_CASE "case (T_CASE)" 158%token T_DEFAULT "default (T_DEFAULT)" 159%token T_BREAK "break (T_BREAK)" 160%token T_CONTINUE "continue (T_CONTINUE)" 161%token T_GOTO "goto (T_GOTO)" 162%token T_FUNCTION "function (T_FUNCTION)" 163%token T_CONST "const (T_CONST)" 164%token T_RETURN "return (T_RETURN)" 165%token T_TRY "try (T_TRY)" 166%token T_CATCH "catch (T_CATCH)" 167%token T_FINALLY "finally (T_FINALLY)" 168%token T_THROW "throw (T_THROW)" 169%token T_USE "use (T_USE)" 170%token T_INSTEADOF "insteadof (T_INSTEADOF)" 171%token T_GLOBAL "global (T_GLOBAL)" 172%right T_STATIC T_ABSTRACT T_FINAL T_PRIVATE T_PROTECTED T_PUBLIC 173%token T_STATIC "static (T_STATIC)" 174%token T_ABSTRACT "abstract (T_ABSTRACT)" 175%token T_FINAL "final (T_FINAL)" 176%token T_PRIVATE "private (T_PRIVATE)" 177%token T_PROTECTED "protected (T_PROTECTED)" 178%token T_PUBLIC "public (T_PUBLIC)" 179%token T_VAR "var (T_VAR)" 180%token T_UNSET "unset (T_UNSET)" 181%token T_ISSET "isset (T_ISSET)" 182%token T_EMPTY "empty (T_EMPTY)" 183%token T_HALT_COMPILER "__halt_compiler (T_HALT_COMPILER)" 184%token T_CLASS "class (T_CLASS)" 185%token T_TRAIT "trait (T_TRAIT)" 186%token T_INTERFACE "interface (T_INTERFACE)" 187%token T_EXTENDS "extends (T_EXTENDS)" 188%token T_IMPLEMENTS "implements (T_IMPLEMENTS)" 189%token T_OBJECT_OPERATOR "-> (T_OBJECT_OPERATOR)" 190%token T_DOUBLE_ARROW "=> (T_DOUBLE_ARROW)" 191%token T_LIST "list (T_LIST)" 192%token T_ARRAY "array (T_ARRAY)" 193%token T_CALLABLE "callable (T_CALLABLE)" 194%token T_CLASS_C "__CLASS__ (T_CLASS_C)" 195%token T_TRAIT_C "__TRAIT__ (T_TRAIT_C)" 196%token T_METHOD_C "__METHOD__ (T_METHOD_C)" 197%token T_FUNC_C "__FUNCTION__ (T_FUNC_C)" 198%token T_LINE "__LINE__ (T_LINE)" 199%token T_FILE "__FILE__ (T_FILE)" 200%token T_COMMENT "comment (T_COMMENT)" 201%token T_DOC_COMMENT "doc comment (T_DOC_COMMENT)" 202%token T_OPEN_TAG "open tag (T_OPEN_TAG)" 203%token T_OPEN_TAG_WITH_ECHO "open tag with echo (T_OPEN_TAG_WITH_ECHO)" 204%token T_CLOSE_TAG "close tag (T_CLOSE_TAG)" 205%token T_WHITESPACE "whitespace (T_WHITESPACE)" 206%token T_START_HEREDOC "heredoc start (T_START_HEREDOC)" 207%token T_END_HEREDOC "heredoc end (T_END_HEREDOC)" 208%token T_DOLLAR_OPEN_CURLY_BRACES "${ (T_DOLLAR_OPEN_CURLY_BRACES)" 209%token T_CURLY_OPEN "{$ (T_CURLY_OPEN)" 210%token T_PAAMAYIM_NEKUDOTAYIM ":: (T_PAAMAYIM_NEKUDOTAYIM)" 211%token T_NAMESPACE "namespace (T_NAMESPACE)" 212%token T_NS_C "__NAMESPACE__ (T_NS_C)" 213%token T_DIR "__DIR__ (T_DIR)" 214%token T_NS_SEPARATOR "\\ (T_NS_SEPARATOR)" 215 216%% /* Rules */ 217 218start: 219 top_statement_list { zend_do_end_compilation(TSRMLS_C); } 220; 221 222top_statement_list: 223 top_statement_list { zend_do_extended_info(TSRMLS_C); } top_statement { HANDLE_INTERACTIVE(); } 224 | /* empty */ 225; 226 227namespace_name: 228 T_STRING { $$ = $1; } 229 | namespace_name T_NS_SEPARATOR T_STRING { zend_do_build_namespace_name(&$$, &$1, &$3 TSRMLS_CC); } 230; 231 232top_statement: 233 statement { zend_verify_namespace(TSRMLS_C); } 234 | function_declaration_statement { zend_verify_namespace(TSRMLS_C); zend_do_early_binding(TSRMLS_C); } 235 | class_declaration_statement { zend_verify_namespace(TSRMLS_C); zend_do_early_binding(TSRMLS_C); } 236 | T_HALT_COMPILER '(' ')' ';' { zend_do_halt_compiler_register(TSRMLS_C); YYACCEPT; } 237 | T_NAMESPACE namespace_name ';' { zend_do_begin_namespace(&$2, 0 TSRMLS_CC); } 238 | T_NAMESPACE namespace_name '{' { zend_do_begin_namespace(&$2, 1 TSRMLS_CC); } 239 top_statement_list '}' { zend_do_end_namespace(TSRMLS_C); } 240 | T_NAMESPACE '{' { zend_do_begin_namespace(NULL, 1 TSRMLS_CC); } 241 top_statement_list '}' { zend_do_end_namespace(TSRMLS_C); } 242 | T_USE use_declarations ';' { zend_verify_namespace(TSRMLS_C); } 243 | constant_declaration ';' { zend_verify_namespace(TSRMLS_C); } 244; 245 246use_declarations: 247 use_declarations ',' use_declaration 248 | use_declaration 249; 250 251use_declaration: 252 namespace_name { zend_do_use(&$1, NULL, 0 TSRMLS_CC); } 253 | namespace_name T_AS T_STRING { zend_do_use(&$1, &$3, 0 TSRMLS_CC); } 254 | T_NS_SEPARATOR namespace_name { zend_do_use(&$2, NULL, 1 TSRMLS_CC); } 255 | T_NS_SEPARATOR namespace_name T_AS T_STRING { zend_do_use(&$2, &$4, 1 TSRMLS_CC); } 256; 257 258constant_declaration: 259 constant_declaration ',' T_STRING '=' static_scalar { zend_do_declare_constant(&$3, &$5 TSRMLS_CC); } 260 | T_CONST T_STRING '=' static_scalar { zend_do_declare_constant(&$2, &$4 TSRMLS_CC); } 261; 262 263inner_statement_list: 264 inner_statement_list { zend_do_extended_info(TSRMLS_C); } inner_statement { HANDLE_INTERACTIVE(); } 265 | /* empty */ 266; 267 268 269inner_statement: 270 statement 271 | function_declaration_statement 272 | class_declaration_statement 273 | T_HALT_COMPILER '(' ')' ';' { zend_error(E_COMPILE_ERROR, "__HALT_COMPILER() can only be used from the outermost scope"); } 274; 275 276 277statement: 278 unticked_statement { DO_TICKS(); } 279 | T_STRING ':' { zend_do_label(&$1 TSRMLS_CC); } 280; 281 282unticked_statement: 283 '{' inner_statement_list '}' 284 | T_IF parenthesis_expr { zend_do_if_cond(&$2, &$1 TSRMLS_CC); } statement { zend_do_if_after_statement(&$1, 1 TSRMLS_CC); } elseif_list else_single { zend_do_if_end(TSRMLS_C); } 285 | T_IF parenthesis_expr ':' { zend_do_if_cond(&$2, &$1 TSRMLS_CC); } inner_statement_list { zend_do_if_after_statement(&$1, 1 TSRMLS_CC); } new_elseif_list new_else_single T_ENDIF ';' { zend_do_if_end(TSRMLS_C); } 286 | T_WHILE { $1.u.op.opline_num = get_next_op_number(CG(active_op_array)); } parenthesis_expr { zend_do_while_cond(&$3, &$$ TSRMLS_CC); } while_statement { zend_do_while_end(&$1, &$4 TSRMLS_CC); } 287 | 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 { $4.u.op.opline_num = get_next_op_number(CG(active_op_array)); } parenthesis_expr ';' { zend_do_do_while_end(&$1, &$4, &$6 TSRMLS_CC); } 288 | T_FOR 289 '(' 290 for_expr 291 ';' { zend_do_free(&$3 TSRMLS_CC); $4.u.op.opline_num = get_next_op_number(CG(active_op_array)); } 292 for_expr 293 ';' { zend_do_extended_info(TSRMLS_C); zend_do_for_cond(&$6, &$7 TSRMLS_CC); } 294 for_expr 295 ')' { zend_do_free(&$9 TSRMLS_CC); zend_do_for_before_statement(&$4, &$7 TSRMLS_CC); } 296 for_statement { zend_do_for_end(&$7 TSRMLS_CC); } 297 | T_SWITCH parenthesis_expr { zend_do_switch_cond(&$2 TSRMLS_CC); } switch_case_list { zend_do_switch_end(&$4 TSRMLS_CC); } 298 | T_BREAK ';' { zend_do_brk_cont(ZEND_BRK, NULL TSRMLS_CC); } 299 | T_BREAK expr ';' { zend_do_brk_cont(ZEND_BRK, &$2 TSRMLS_CC); } 300 | T_CONTINUE ';' { zend_do_brk_cont(ZEND_CONT, NULL TSRMLS_CC); } 301 | T_CONTINUE expr ';' { zend_do_brk_cont(ZEND_CONT, &$2 TSRMLS_CC); } 302 | T_RETURN ';' { zend_do_return(NULL, 0 TSRMLS_CC); } 303 | T_RETURN expr_without_variable ';' { zend_do_return(&$2, 0 TSRMLS_CC); } 304 | T_RETURN variable ';' { zend_do_return(&$2, 1 TSRMLS_CC); } 305 | yield_expr ';' { zend_do_free(&$1 TSRMLS_CC); } 306 | T_GLOBAL global_var_list ';' 307 | T_STATIC static_var_list ';' 308 | T_ECHO echo_expr_list ';' 309 | T_INLINE_HTML { zend_do_echo(&$1 TSRMLS_CC); } 310 | expr ';' { zend_do_free(&$1 TSRMLS_CC); } 311 | T_UNSET '(' unset_variables ')' ';' 312 | T_FOREACH '(' variable T_AS 313 { zend_do_foreach_begin(&$1, &$2, &$3, &$4, 1 TSRMLS_CC); } 314 foreach_variable foreach_optional_arg ')' { zend_do_foreach_cont(&$1, &$2, &$4, &$6, &$7 TSRMLS_CC); } 315 foreach_statement { zend_do_foreach_end(&$1, &$4 TSRMLS_CC); } 316 | T_FOREACH '(' expr_without_variable T_AS 317 { zend_do_foreach_begin(&$1, &$2, &$3, &$4, 0 TSRMLS_CC); } 318 foreach_variable foreach_optional_arg ')' { zend_do_foreach_cont(&$1, &$2, &$4, &$6, &$7 TSRMLS_CC); } 319 foreach_statement { zend_do_foreach_end(&$1, &$4 TSRMLS_CC); } 320 | 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); } 321 | ';' /* empty statement */ 322 | T_TRY { zend_do_try(&$1 TSRMLS_CC); } '{' inner_statement_list '}' 323 catch_statement { zend_do_bind_catch(&$1, &$6 TSRMLS_CC); } 324 finally_statement { zend_do_end_finally(&$1, &$6, &$8 TSRMLS_CC); } 325 | T_THROW expr ';' { zend_do_throw(&$2 TSRMLS_CC); } 326 | T_GOTO T_STRING ';' { zend_do_goto(&$2 TSRMLS_CC); } 327; 328 329catch_statement: 330 /* empty */ { $$.op_type = IS_UNUSED; } 331 | T_CATCH '(' { zend_initialize_try_catch_element(&$1 TSRMLS_CC); } 332 fully_qualified_class_name { zend_do_first_catch(&$2 TSRMLS_CC); } 333 T_VARIABLE ')' { zend_do_begin_catch(&$1, &$4, &$6, &$2 TSRMLS_CC); } 334 '{' inner_statement_list '}' { zend_do_end_catch(&$1 TSRMLS_CC); } 335 additional_catches { zend_do_mark_last_catch(&$2, &$13 TSRMLS_CC); $$ = $1;} 336 337finally_statement: 338 /* empty */ { $$.op_type = IS_UNUSED; } 339 | T_FINALLY { zend_do_finally(&$1 TSRMLS_CC); } '{' inner_statement_list '}' { $$ = $1; } 340; 341 342additional_catches: 343 non_empty_additional_catches { $$ = $1; } 344 | /* empty */ { $$.u.op.opline_num = -1; } 345; 346 347non_empty_additional_catches: 348 additional_catch { $$ = $1; } 349 | non_empty_additional_catches additional_catch { $$ = $2; } 350; 351 352additional_catch: 353 T_CATCH '(' fully_qualified_class_name { $$.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); } 354; 355 356unset_variables: 357 unset_variable 358 | unset_variables ',' unset_variable 359; 360 361unset_variable: 362 variable { zend_do_end_variable_parse(&$1, BP_VAR_UNSET, 0 TSRMLS_CC); zend_do_unset(&$1 TSRMLS_CC); } 363; 364 365function_declaration_statement: 366 unticked_function_declaration_statement { DO_TICKS(); } 367; 368 369class_declaration_statement: 370 unticked_class_declaration_statement { DO_TICKS(); } 371; 372 373is_reference: 374 /* empty */ { $$.op_type = ZEND_RETURN_VAL; } 375 | '&' { $$.op_type = ZEND_RETURN_REF; } 376; 377 378 379unticked_function_declaration_statement: 380 function is_reference T_STRING { zend_do_begin_function_declaration(&$1, &$3, 0, $2.op_type, NULL TSRMLS_CC); } 381 '(' parameter_list ')' 382 '{' inner_statement_list '}' { zend_do_end_function_declaration(&$1 TSRMLS_CC); } 383; 384 385unticked_class_declaration_statement: 386 class_entry_type T_STRING extends_from 387 { zend_do_begin_class_declaration(&$1, &$2, &$3 TSRMLS_CC); } 388 implements_list 389 '{' 390 class_statement_list 391 '}' { zend_do_end_class_declaration(&$1, &$3 TSRMLS_CC); } 392 | interface_entry T_STRING 393 { zend_do_begin_class_declaration(&$1, &$2, NULL TSRMLS_CC); } 394 interface_extends_list 395 '{' 396 class_statement_list 397 '}' { zend_do_end_class_declaration(&$1, NULL TSRMLS_CC); } 398; 399 400 401class_entry_type: 402 T_CLASS { $$.u.op.opline_num = CG(zend_lineno); $$.EA = 0; } 403 | T_ABSTRACT T_CLASS { $$.u.op.opline_num = CG(zend_lineno); $$.EA = ZEND_ACC_EXPLICIT_ABSTRACT_CLASS; } 404 | T_TRAIT { $$.u.op.opline_num = CG(zend_lineno); $$.EA = ZEND_ACC_TRAIT; } 405 | T_FINAL T_CLASS { $$.u.op.opline_num = CG(zend_lineno); $$.EA = ZEND_ACC_FINAL_CLASS; } 406; 407 408extends_from: 409 /* empty */ { $$.op_type = IS_UNUSED; } 410 | T_EXTENDS fully_qualified_class_name { zend_do_fetch_class(&$$, &$2 TSRMLS_CC); } 411; 412 413interface_entry: 414 T_INTERFACE { $$.u.op.opline_num = CG(zend_lineno); $$.EA = ZEND_ACC_INTERFACE; } 415; 416 417interface_extends_list: 418 /* empty */ 419 | T_EXTENDS interface_list 420; 421 422implements_list: 423 /* empty */ 424 | T_IMPLEMENTS interface_list 425; 426 427interface_list: 428 fully_qualified_class_name { zend_do_implements_interface(&$1 TSRMLS_CC); } 429 | interface_list ',' fully_qualified_class_name { zend_do_implements_interface(&$3 TSRMLS_CC); } 430; 431 432foreach_optional_arg: 433 /* empty */ { $$.op_type = IS_UNUSED; } 434 | T_DOUBLE_ARROW foreach_variable { $$ = $2; } 435; 436 437foreach_variable: 438 variable { zend_check_writable_variable(&$1); $$ = $1; } 439 | '&' variable { zend_check_writable_variable(&$2); $$ = $2; $$.EA |= ZEND_PARSED_REFERENCE_VARIABLE; } 440 | T_LIST '(' { zend_do_list_init(TSRMLS_C); } assignment_list ')' { $$ = $1; $$.EA = ZEND_PARSED_LIST_EXPR; } 441; 442 443for_statement: 444 statement 445 | ':' inner_statement_list T_ENDFOR ';' 446; 447 448 449foreach_statement: 450 statement 451 | ':' inner_statement_list T_ENDFOREACH ';' 452; 453 454 455declare_statement: 456 statement 457 | ':' inner_statement_list T_ENDDECLARE ';' 458; 459 460 461declare_list: 462 T_STRING '=' static_scalar { zend_do_declare_stmt(&$1, &$3 TSRMLS_CC); } 463 | declare_list ',' T_STRING '=' static_scalar { zend_do_declare_stmt(&$3, &$5 TSRMLS_CC); } 464; 465 466 467switch_case_list: 468 '{' case_list '}' { $$ = $2; } 469 | '{' ';' case_list '}' { $$ = $3; } 470 | ':' case_list T_ENDSWITCH ';' { $$ = $2; } 471 | ':' ';' case_list T_ENDSWITCH ';' { $$ = $3; } 472; 473 474 475case_list: 476 /* empty */ { $$.op_type = IS_UNUSED; } 477 | 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; } 478 | 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; } 479; 480 481 482case_separator: 483 ':' 484 | ';' 485; 486 487 488while_statement: 489 statement 490 | ':' inner_statement_list T_ENDWHILE ';' 491; 492 493 494 495elseif_list: 496 /* empty */ 497 | elseif_list T_ELSEIF parenthesis_expr { zend_do_if_cond(&$3, &$2 TSRMLS_CC); } statement { zend_do_if_after_statement(&$2, 0 TSRMLS_CC); } 498; 499 500 501new_elseif_list: 502 /* empty */ 503 | new_elseif_list T_ELSEIF parenthesis_expr ':' { zend_do_if_cond(&$3, &$2 TSRMLS_CC); } inner_statement_list { zend_do_if_after_statement(&$2, 0 TSRMLS_CC); } 504; 505 506 507else_single: 508 /* empty */ 509 | T_ELSE statement 510; 511 512 513new_else_single: 514 /* empty */ 515 | T_ELSE ':' inner_statement_list 516; 517 518 519parameter_list: 520 non_empty_parameter_list 521 | /* empty */ 522; 523 524 525non_empty_parameter_list: 526 optional_class_type T_VARIABLE { $$.op_type = IS_UNUSED; $$.u.op.num=1; zend_do_receive_arg(ZEND_RECV, &$2, &$$, NULL, &$1, 0 TSRMLS_CC); } 527 | optional_class_type '&' T_VARIABLE { $$.op_type = IS_UNUSED; $$.u.op.num=1; zend_do_receive_arg(ZEND_RECV, &$3, &$$, NULL, &$1, 1 TSRMLS_CC); } 528 | optional_class_type '&' T_VARIABLE '=' static_scalar { $$.op_type = IS_UNUSED; $$.u.op.num=1; zend_do_receive_arg(ZEND_RECV_INIT, &$3, &$$, &$5, &$1, 1 TSRMLS_CC); } 529 | optional_class_type T_VARIABLE '=' static_scalar { $$.op_type = IS_UNUSED; $$.u.op.num=1; zend_do_receive_arg(ZEND_RECV_INIT, &$2, &$$, &$4, &$1, 0 TSRMLS_CC); } 530 | non_empty_parameter_list ',' optional_class_type T_VARIABLE { $$=$1; $$.u.op.num++; zend_do_receive_arg(ZEND_RECV, &$4, &$$, NULL, &$3, 0 TSRMLS_CC); } 531 | non_empty_parameter_list ',' optional_class_type '&' T_VARIABLE { $$=$1; $$.u.op.num++; zend_do_receive_arg(ZEND_RECV, &$5, &$$, NULL, &$3, 1 TSRMLS_CC); } 532 | non_empty_parameter_list ',' optional_class_type '&' T_VARIABLE '=' static_scalar { $$=$1; $$.u.op.num++; zend_do_receive_arg(ZEND_RECV_INIT, &$5, &$$, &$7, &$3, 1 TSRMLS_CC); } 533 | non_empty_parameter_list ',' optional_class_type T_VARIABLE '=' static_scalar { $$=$1; $$.u.op.num++; zend_do_receive_arg(ZEND_RECV_INIT, &$4, &$$, &$6, &$3, 0 TSRMLS_CC); } 534; 535 536 537optional_class_type: 538 /* empty */ { $$.op_type = IS_UNUSED; } 539 | T_ARRAY { $$.op_type = IS_CONST; Z_TYPE($$.u.constant)=IS_ARRAY; } 540 | T_CALLABLE { $$.op_type = IS_CONST; Z_TYPE($$.u.constant)=IS_CALLABLE; } 541 | fully_qualified_class_name { $$ = $1; } 542; 543 544 545function_call_parameter_list: 546 '(' ')' { Z_LVAL($$.u.constant) = 0; } 547 | '(' non_empty_function_call_parameter_list ')' { $$ = $2; } 548 | '(' yield_expr ')' { Z_LVAL($$.u.constant) = 1; zend_do_pass_param(&$2, ZEND_SEND_VAL, Z_LVAL($$.u.constant) TSRMLS_CC); } 549; 550 551 552non_empty_function_call_parameter_list: 553 expr_without_variable { Z_LVAL($$.u.constant) = 1; zend_do_pass_param(&$1, ZEND_SEND_VAL, Z_LVAL($$.u.constant) TSRMLS_CC); } 554 | variable { Z_LVAL($$.u.constant) = 1; zend_do_pass_param(&$1, ZEND_SEND_VAR, Z_LVAL($$.u.constant) TSRMLS_CC); } 555 | '&' w_variable { Z_LVAL($$.u.constant) = 1; zend_do_pass_param(&$2, ZEND_SEND_REF, Z_LVAL($$.u.constant) TSRMLS_CC); } 556 | 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); } 557 | 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); } 558 | 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); } 559; 560 561global_var_list: 562 global_var_list ',' global_var { zend_do_fetch_global_variable(&$3, NULL, ZEND_FETCH_GLOBAL_LOCK TSRMLS_CC); } 563 | global_var { zend_do_fetch_global_variable(&$1, NULL, ZEND_FETCH_GLOBAL_LOCK TSRMLS_CC); } 564; 565 566 567global_var: 568 T_VARIABLE { $$ = $1; } 569 | '$' r_variable { $$ = $2; } 570 | '$' '{' expr '}' { $$ = $3; } 571; 572 573 574static_var_list: 575 static_var_list ',' T_VARIABLE { zend_do_fetch_static_variable(&$3, NULL, ZEND_FETCH_STATIC TSRMLS_CC); } 576 | static_var_list ',' T_VARIABLE '=' static_scalar { zend_do_fetch_static_variable(&$3, &$5, ZEND_FETCH_STATIC TSRMLS_CC); } 577 | T_VARIABLE { zend_do_fetch_static_variable(&$1, NULL, ZEND_FETCH_STATIC TSRMLS_CC); } 578 | T_VARIABLE '=' static_scalar { zend_do_fetch_static_variable(&$1, &$3, ZEND_FETCH_STATIC TSRMLS_CC); } 579 580; 581 582 583class_statement_list: 584 class_statement_list class_statement 585 | /* empty */ 586; 587 588 589class_statement: 590 variable_modifiers { CG(access_type) = Z_LVAL($1.u.constant); } class_variable_declaration ';' 591 | class_constant_declaration ';' 592 | trait_use_statement 593 | method_modifiers function is_reference T_STRING { zend_do_begin_function_declaration(&$2, &$4, 1, $3.op_type, &$1 TSRMLS_CC); } 594 '(' parameter_list ')' 595 method_body { zend_do_abstract_method(&$4, &$1, &$9 TSRMLS_CC); zend_do_end_function_declaration(&$2 TSRMLS_CC); } 596; 597 598trait_use_statement: 599 T_USE trait_list trait_adaptations 600; 601 602trait_list: 603 fully_qualified_class_name { zend_do_use_trait(&$1 TSRMLS_CC); } 604 | trait_list ',' fully_qualified_class_name { zend_do_use_trait(&$3 TSRMLS_CC); } 605; 606 607trait_adaptations: 608 ';' 609 | '{' trait_adaptation_list '}' 610; 611 612trait_adaptation_list: 613 /* empty */ 614 | non_empty_trait_adaptation_list 615; 616 617non_empty_trait_adaptation_list: 618 trait_adaptation_statement 619 | non_empty_trait_adaptation_list trait_adaptation_statement 620; 621 622trait_adaptation_statement: 623 trait_precedence ';' 624 | trait_alias ';' 625; 626 627trait_precedence: 628 trait_method_reference_fully_qualified T_INSTEADOF trait_reference_list { zend_add_trait_precedence(&$1, &$3 TSRMLS_CC); } 629; 630 631trait_reference_list: 632 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); } 633 | 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); $$ = $1; } 634; 635 636trait_method_reference: 637 T_STRING { zend_prepare_reference(&$$, NULL, &$1 TSRMLS_CC); } 638 | trait_method_reference_fully_qualified { $$ = $1; } 639; 640 641trait_method_reference_fully_qualified: 642 fully_qualified_class_name T_PAAMAYIM_NEKUDOTAYIM T_STRING { zend_prepare_reference(&$$, &$1, &$3 TSRMLS_CC); } 643; 644 645trait_alias: 646 trait_method_reference T_AS trait_modifiers T_STRING { zend_add_trait_alias(&$1, &$3, &$4 TSRMLS_CC); } 647 | trait_method_reference T_AS member_modifier { zend_add_trait_alias(&$1, &$3, NULL TSRMLS_CC); } 648; 649 650trait_modifiers: 651 /* empty */ { Z_LVAL($$.u.constant) = 0x0; } /* No change of methods visibility */ 652 | member_modifier { $$ = $1; } /* REM: Keep in mind, there are not only visibility modifiers */ 653; 654 655method_body: 656 ';' /* abstract method */ { Z_LVAL($$.u.constant) = ZEND_ACC_ABSTRACT; } 657 | '{' inner_statement_list '}' { Z_LVAL($$.u.constant) = 0; } 658; 659 660variable_modifiers: 661 non_empty_member_modifiers { $$ = $1; } 662 | T_VAR { Z_LVAL($$.u.constant) = ZEND_ACC_PUBLIC; } 663; 664 665method_modifiers: 666 /* empty */ { Z_LVAL($$.u.constant) = ZEND_ACC_PUBLIC; } 667 | non_empty_member_modifiers { $$ = $1; if (!(Z_LVAL($$.u.constant) & ZEND_ACC_PPP_MASK)) { Z_LVAL($$.u.constant) |= ZEND_ACC_PUBLIC; } } 668; 669 670non_empty_member_modifiers: 671 member_modifier { $$ = $1; } 672 | non_empty_member_modifiers member_modifier { Z_LVAL($$.u.constant) = zend_do_verify_access_types(&$1, &$2); } 673; 674 675member_modifier: 676 T_PUBLIC { Z_LVAL($$.u.constant) = ZEND_ACC_PUBLIC; } 677 | T_PROTECTED { Z_LVAL($$.u.constant) = ZEND_ACC_PROTECTED; } 678 | T_PRIVATE { Z_LVAL($$.u.constant) = ZEND_ACC_PRIVATE; } 679 | T_STATIC { Z_LVAL($$.u.constant) = ZEND_ACC_STATIC; } 680 | T_ABSTRACT { Z_LVAL($$.u.constant) = ZEND_ACC_ABSTRACT; } 681 | T_FINAL { Z_LVAL($$.u.constant) = ZEND_ACC_FINAL; } 682; 683 684class_variable_declaration: 685 class_variable_declaration ',' T_VARIABLE { zend_do_declare_property(&$3, NULL, CG(access_type) TSRMLS_CC); } 686 | class_variable_declaration ',' T_VARIABLE '=' static_scalar { zend_do_declare_property(&$3, &$5, CG(access_type) TSRMLS_CC); } 687 | T_VARIABLE { zend_do_declare_property(&$1, NULL, CG(access_type) TSRMLS_CC); } 688 | T_VARIABLE '=' static_scalar { zend_do_declare_property(&$1, &$3, CG(access_type) TSRMLS_CC); } 689; 690 691class_constant_declaration: 692 class_constant_declaration ',' T_STRING '=' static_scalar { zend_do_declare_class_constant(&$3, &$5 TSRMLS_CC); } 693 | T_CONST T_STRING '=' static_scalar { zend_do_declare_class_constant(&$2, &$4 TSRMLS_CC); } 694; 695 696echo_expr_list: 697 echo_expr_list ',' expr { zend_do_echo(&$3 TSRMLS_CC); } 698 | expr { zend_do_echo(&$1 TSRMLS_CC); } 699; 700 701 702for_expr: 703 /* empty */ { $$.op_type = IS_CONST; Z_TYPE($$.u.constant) = IS_BOOL; Z_LVAL($$.u.constant) = 1; } 704 | non_empty_for_expr { $$ = $1; } 705; 706 707non_empty_for_expr: 708 non_empty_for_expr ',' { zend_do_free(&$1 TSRMLS_CC); } expr { $$ = $4; } 709 | expr { $$ = $1; } 710; 711 712chaining_method_or_property: 713 chaining_method_or_property variable_property { $$.EA = $2.EA; } 714 | variable_property { $$.EA = $1.EA; } 715; 716 717chaining_dereference: 718 chaining_dereference '[' dim_offset ']' { fetch_array_dim(&$$, &$1, &$3 TSRMLS_CC); } 719 | '[' dim_offset ']' { zend_do_pop_object(&$1 TSRMLS_CC); fetch_array_dim(&$$, &$1, &$2 TSRMLS_CC); } 720; 721 722chaining_instance_call: 723 chaining_dereference { zend_do_push_object(&$1 TSRMLS_CC); } chaining_method_or_property { $$ = $3; } 724 | chaining_dereference { zend_do_push_object(&$1 TSRMLS_CC); $$ = $1; } 725 | chaining_method_or_property { $$ = $1; } 726; 727 728instance_call: 729 /* empty */ { $$ = $0; } 730 | { zend_do_push_object(&$0 TSRMLS_CC); zend_do_begin_variable_parse(TSRMLS_C); } 731 chaining_instance_call { zend_do_pop_object(&$$ TSRMLS_CC); zend_do_end_variable_parse(&$2, BP_VAR_R, 0 TSRMLS_CC); } 732; 733 734new_expr: 735 T_NEW class_name_reference { zend_do_extended_fcall_begin(TSRMLS_C); zend_do_begin_new_object(&$1, &$2 TSRMLS_CC); } ctor_arguments { zend_do_end_new_object(&$$, &$1, &$4 TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C);} 736; 737 738expr_without_variable: 739 T_LIST '(' { zend_do_list_init(TSRMLS_C); } assignment_list ')' '=' expr { zend_do_list_end(&$$, &$7 TSRMLS_CC); } 740 | variable '=' expr { zend_check_writable_variable(&$1); zend_do_assign(&$$, &$1, &$3 TSRMLS_CC); } 741 | 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(&$$, &$1, &$4 TSRMLS_CC); } 742 | variable '=' '&' T_NEW class_name_reference { zend_error(E_DEPRECATED, "Assigning the return value of new by reference is deprecated"); zend_check_writable_variable(&$1); zend_do_extended_fcall_begin(TSRMLS_C); zend_do_begin_new_object(&$4, &$5 TSRMLS_CC); } ctor_arguments { zend_do_end_new_object(&$3, &$4, &$7 TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C); zend_do_end_variable_parse(&$1, BP_VAR_W, 0 TSRMLS_CC); $3.EA = ZEND_PARSED_NEW; zend_do_assign_ref(&$$, &$1, &$3 TSRMLS_CC); } 743 | T_CLONE expr { zend_do_clone(&$$, &$2 TSRMLS_CC); } 744 | variable T_PLUS_EQUAL expr { zend_check_writable_variable(&$1); zend_do_end_variable_parse(&$1, BP_VAR_RW, 0 TSRMLS_CC); zend_do_binary_assign_op(ZEND_ASSIGN_ADD, &$$, &$1, &$3 TSRMLS_CC); } 745 | 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, &$$, &$1, &$3 TSRMLS_CC); } 746 | variable T_MUL_EQUAL expr { zend_check_writable_variable(&$1); zend_do_end_variable_parse(&$1, BP_VAR_RW, 0 TSRMLS_CC); zend_do_binary_assign_op(ZEND_ASSIGN_MUL, &$$, &$1, &$3 TSRMLS_CC); } 747 | 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, &$$, &$1, &$3 TSRMLS_CC); } 748 | variable T_CONCAT_EQUAL expr { zend_check_writable_variable(&$1); zend_do_end_variable_parse(&$1, BP_VAR_RW, 0 TSRMLS_CC); zend_do_binary_assign_op(ZEND_ASSIGN_CONCAT, &$$, &$1, &$3 TSRMLS_CC); } 749 | 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, &$$, &$1, &$3 TSRMLS_CC); } 750 | variable T_AND_EQUAL expr { zend_check_writable_variable(&$1); zend_do_end_variable_parse(&$1, BP_VAR_RW, 0 TSRMLS_CC); zend_do_binary_assign_op(ZEND_ASSIGN_BW_AND, &$$, &$1, &$3 TSRMLS_CC); } 751 | 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, &$$, &$1, &$3 TSRMLS_CC); } 752 | variable T_XOR_EQUAL expr { zend_check_writable_variable(&$1); zend_do_end_variable_parse(&$1, BP_VAR_RW, 0 TSRMLS_CC); zend_do_binary_assign_op(ZEND_ASSIGN_BW_XOR, &$$, &$1, &$3 TSRMLS_CC); } 753 | 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, &$$, &$1, &$3 TSRMLS_CC); } 754 | variable T_SR_EQUAL expr { zend_check_writable_variable(&$1); zend_do_end_variable_parse(&$1, BP_VAR_RW, 0 TSRMLS_CC); zend_do_binary_assign_op(ZEND_ASSIGN_SR, &$$, &$1, &$3 TSRMLS_CC); } 755 | rw_variable T_INC { zend_do_post_incdec(&$$, &$1, ZEND_POST_INC TSRMLS_CC); } 756 | T_INC rw_variable { zend_do_pre_incdec(&$$, &$2, ZEND_PRE_INC TSRMLS_CC); } 757 | rw_variable T_DEC { zend_do_post_incdec(&$$, &$1, ZEND_POST_DEC TSRMLS_CC); } 758 | T_DEC rw_variable { zend_do_pre_incdec(&$$, &$2, ZEND_PRE_DEC TSRMLS_CC); } 759 | expr T_BOOLEAN_OR { zend_do_boolean_or_begin(&$1, &$2 TSRMLS_CC); } expr { zend_do_boolean_or_end(&$$, &$1, &$4, &$2 TSRMLS_CC); } 760 | expr T_BOOLEAN_AND { zend_do_boolean_and_begin(&$1, &$2 TSRMLS_CC); } expr { zend_do_boolean_and_end(&$$, &$1, &$4, &$2 TSRMLS_CC); } 761 | expr T_LOGICAL_OR { zend_do_boolean_or_begin(&$1, &$2 TSRMLS_CC); } expr { zend_do_boolean_or_end(&$$, &$1, &$4, &$2 TSRMLS_CC); } 762 | expr T_LOGICAL_AND { zend_do_boolean_and_begin(&$1, &$2 TSRMLS_CC); } expr { zend_do_boolean_and_end(&$$, &$1, &$4, &$2 TSRMLS_CC); } 763 | expr T_LOGICAL_XOR expr { zend_do_binary_op(ZEND_BOOL_XOR, &$$, &$1, &$3 TSRMLS_CC); } 764 | expr '|' expr { zend_do_binary_op(ZEND_BW_OR, &$$, &$1, &$3 TSRMLS_CC); } 765 | expr '&' expr { zend_do_binary_op(ZEND_BW_AND, &$$, &$1, &$3 TSRMLS_CC); } 766 | expr '^' expr { zend_do_binary_op(ZEND_BW_XOR, &$$, &$1, &$3 TSRMLS_CC); } 767 | expr '.' expr { zend_do_binary_op(ZEND_CONCAT, &$$, &$1, &$3 TSRMLS_CC); } 768 | expr '+' expr { zend_do_binary_op(ZEND_ADD, &$$, &$1, &$3 TSRMLS_CC); } 769 | expr '-' expr { zend_do_binary_op(ZEND_SUB, &$$, &$1, &$3 TSRMLS_CC); } 770 | expr '*' expr { zend_do_binary_op(ZEND_MUL, &$$, &$1, &$3 TSRMLS_CC); } 771 | expr '/' expr { zend_do_binary_op(ZEND_DIV, &$$, &$1, &$3 TSRMLS_CC); } 772 | expr '%' expr { zend_do_binary_op(ZEND_MOD, &$$, &$1, &$3 TSRMLS_CC); } 773 | expr T_SL expr { zend_do_binary_op(ZEND_SL, &$$, &$1, &$3 TSRMLS_CC); } 774 | expr T_SR expr { zend_do_binary_op(ZEND_SR, &$$, &$1, &$3 TSRMLS_CC); } 775 | '+' 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); } } 776 | '-' 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); } } 777 | '!' expr { zend_do_unary_op(ZEND_BOOL_NOT, &$$, &$2 TSRMLS_CC); } 778 | '~' expr { zend_do_unary_op(ZEND_BW_NOT, &$$, &$2 TSRMLS_CC); } 779 | expr T_IS_IDENTICAL expr { zend_do_binary_op(ZEND_IS_IDENTICAL, &$$, &$1, &$3 TSRMLS_CC); } 780 | expr T_IS_NOT_IDENTICAL expr { zend_do_binary_op(ZEND_IS_NOT_IDENTICAL, &$$, &$1, &$3 TSRMLS_CC); } 781 | expr T_IS_EQUAL expr { zend_do_binary_op(ZEND_IS_EQUAL, &$$, &$1, &$3 TSRMLS_CC); } 782 | expr T_IS_NOT_EQUAL expr { zend_do_binary_op(ZEND_IS_NOT_EQUAL, &$$, &$1, &$3 TSRMLS_CC); } 783 | expr '<' expr { zend_do_binary_op(ZEND_IS_SMALLER, &$$, &$1, &$3 TSRMLS_CC); } 784 | expr T_IS_SMALLER_OR_EQUAL expr { zend_do_binary_op(ZEND_IS_SMALLER_OR_EQUAL, &$$, &$1, &$3 TSRMLS_CC); } 785 | expr '>' expr { zend_do_binary_op(ZEND_IS_SMALLER, &$$, &$3, &$1 TSRMLS_CC); } 786 | expr T_IS_GREATER_OR_EQUAL expr { zend_do_binary_op(ZEND_IS_SMALLER_OR_EQUAL, &$$, &$3, &$1 TSRMLS_CC); } 787 | expr T_INSTANCEOF class_name_reference { zend_do_instanceof(&$$, &$1, &$3, 0 TSRMLS_CC); } 788 | parenthesis_expr { $$ = $1; } 789 | new_expr { $$ = $1; } 790 | '(' new_expr ')' { $$ = $2; } instance_call { $$ = $5; } 791 | expr '?' { zend_do_begin_qm_op(&$1, &$2 TSRMLS_CC); } 792 expr ':' { zend_do_qm_true(&$4, &$2, &$5 TSRMLS_CC); } 793 expr { zend_do_qm_false(&$$, &$7, &$2, &$5 TSRMLS_CC); } 794 | expr '?' ':' { zend_do_jmp_set(&$1, &$2, &$3 TSRMLS_CC); } 795 expr { zend_do_jmp_set_else(&$$, &$5, &$2, &$3 TSRMLS_CC); } 796 | internal_functions_in_yacc { $$ = $1; } 797 | T_INT_CAST expr { zend_do_cast(&$$, &$2, IS_LONG TSRMLS_CC); } 798 | T_DOUBLE_CAST expr { zend_do_cast(&$$, &$2, IS_DOUBLE TSRMLS_CC); } 799 | T_STRING_CAST expr { zend_do_cast(&$$, &$2, IS_STRING TSRMLS_CC); } 800 | T_ARRAY_CAST expr { zend_do_cast(&$$, &$2, IS_ARRAY TSRMLS_CC); } 801 | T_OBJECT_CAST expr { zend_do_cast(&$$, &$2, IS_OBJECT TSRMLS_CC); } 802 | T_BOOL_CAST expr { zend_do_cast(&$$, &$2, IS_BOOL TSRMLS_CC); } 803 | T_UNSET_CAST expr { zend_do_cast(&$$, &$2, IS_NULL TSRMLS_CC); } 804 | T_EXIT exit_expr { zend_do_exit(&$$, &$2 TSRMLS_CC); } 805 | '@' { zend_do_begin_silence(&$1 TSRMLS_CC); } expr { zend_do_end_silence(&$1 TSRMLS_CC); $$ = $3; } 806 | scalar { $$ = $1; } 807 | combined_scalar_offset { zend_do_end_variable_parse(&$1, BP_VAR_R, 0 TSRMLS_CC); } 808 | combined_scalar { $$ = $1; } 809 | '`' backticks_expr '`' { zend_do_shell_exec(&$$, &$2 TSRMLS_CC); } 810 | T_PRINT expr { zend_do_print(&$$, &$2 TSRMLS_CC); } 811 | T_YIELD { zend_do_yield(&$$, NULL, NULL, 0 TSRMLS_CC); } 812 | function is_reference { zend_do_begin_lambda_function_declaration(&$$, &$1, $2.op_type, 0 TSRMLS_CC); } 813 '(' parameter_list ')' lexical_vars 814 '{' inner_statement_list '}' { zend_do_end_function_declaration(&$1 TSRMLS_CC); $$ = $3; } 815 | T_STATIC function is_reference { zend_do_begin_lambda_function_declaration(&$$, &$2, $3.op_type, 1 TSRMLS_CC); } 816 '(' parameter_list ')' lexical_vars 817 '{' inner_statement_list '}' { zend_do_end_function_declaration(&$2 TSRMLS_CC); $$ = $4; } 818; 819 820yield_expr: 821 T_YIELD expr_without_variable { zend_do_yield(&$$, &$2, NULL, 0 TSRMLS_CC); } 822 | T_YIELD variable { zend_do_yield(&$$, &$2, NULL, 1 TSRMLS_CC); } 823 | T_YIELD expr T_DOUBLE_ARROW expr_without_variable { zend_do_yield(&$$, &$4, &$2, 0 TSRMLS_CC); } 824 | T_YIELD expr T_DOUBLE_ARROW variable { zend_do_yield(&$$, &$4, &$2, 1 TSRMLS_CC); } 825; 826 827combined_scalar_offset: 828 combined_scalar '[' dim_offset ']' { zend_do_begin_variable_parse(TSRMLS_C); fetch_array_dim(&$$, &$1, &$3 TSRMLS_CC); } 829 | combined_scalar_offset '[' dim_offset ']' { fetch_array_dim(&$$, &$1, &$3 TSRMLS_CC); } 830 | T_CONSTANT_ENCAPSED_STRING '[' dim_offset ']' { $1.EA = 0; zend_do_begin_variable_parse(TSRMLS_C); fetch_array_dim(&$$, &$1, &$3 TSRMLS_CC); } 831 832combined_scalar: 833 T_ARRAY '(' array_pair_list ')' { $$ = $3; } 834 | '[' array_pair_list ']' { $$ = $2; } 835 836function: 837 T_FUNCTION { $$.u.op.opline_num = CG(zend_lineno); } 838; 839 840lexical_vars: 841 /* empty */ 842 | T_USE '(' lexical_var_list ')' 843; 844 845lexical_var_list: 846 lexical_var_list ',' T_VARIABLE { zend_do_fetch_lexical_variable(&$3, 0 TSRMLS_CC); } 847 | lexical_var_list ',' '&' T_VARIABLE { zend_do_fetch_lexical_variable(&$4, 1 TSRMLS_CC); } 848 | T_VARIABLE { zend_do_fetch_lexical_variable(&$1, 0 TSRMLS_CC); } 849 | '&' T_VARIABLE { zend_do_fetch_lexical_variable(&$2, 1 TSRMLS_CC); } 850; 851 852function_call: 853 namespace_name { $$.u.op.opline_num = zend_do_begin_function_call(&$1, 1 TSRMLS_CC); } 854 function_call_parameter_list { zend_do_end_function_call(&$1, &$$, &$3, 0, $2.u.op.opline_num TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C); } 855 | 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); $$.u.op.opline_num = zend_do_begin_function_call(&$1, 0 TSRMLS_CC); } 856 function_call_parameter_list { zend_do_end_function_call(&$1, &$$, &$5, 0, $4.u.op.opline_num TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C); } 857 | T_NS_SEPARATOR namespace_name { $$.u.op.opline_num = zend_do_begin_function_call(&$2, 0 TSRMLS_CC); } 858 function_call_parameter_list { zend_do_end_function_call(&$2, &$$, &$4, 0, $3.u.op.opline_num TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C); } 859 | class_name T_PAAMAYIM_NEKUDOTAYIM variable_name { $$.u.op.opline_num = zend_do_begin_class_member_function_call(&$1, &$3 TSRMLS_CC); } 860 function_call_parameter_list { zend_do_end_function_call($4.u.op.opline_num?NULL:&$3, &$$, &$5, $4.u.op.opline_num, $4.u.op.opline_num TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C);} 861 | 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); } 862 function_call_parameter_list { zend_do_end_function_call(NULL, &$$, &$5, 1, 1 TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C);} 863 | variable_class_name T_PAAMAYIM_NEKUDOTAYIM variable_name { zend_do_begin_class_member_function_call(&$1, &$3 TSRMLS_CC); } 864 function_call_parameter_list { zend_do_end_function_call(NULL, &$$, &$5, 1, 1 TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C);} 865 | 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); } 866 function_call_parameter_list { zend_do_end_function_call(NULL, &$$, &$5, 1, 1 TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C);} 867 | variable_without_objects { zend_do_end_variable_parse(&$1, BP_VAR_R, 0 TSRMLS_CC); zend_do_begin_dynamic_function_call(&$1, 0 TSRMLS_CC); } 868 function_call_parameter_list { zend_do_end_function_call(&$1, &$$, &$3, 0, 1 TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C);} 869; 870 871class_name: 872 T_STATIC { $$.op_type = IS_CONST; ZVAL_STRINGL(&$$.u.constant, "static", sizeof("static")-1, 1);} 873 | namespace_name { $$ = $1; } 874 | T_NAMESPACE T_NS_SEPARATOR namespace_name { $$.op_type = IS_CONST; ZVAL_EMPTY_STRING(&$$.u.constant); zend_do_build_namespace_name(&$$, &$$, &$3 TSRMLS_CC); } 875 | T_NS_SEPARATOR namespace_name { char *tmp = estrndup(Z_STRVAL($2.u.constant), Z_STRLEN($2.u.constant)+1); memcpy(&(tmp[1]), Z_STRVAL($2.u.constant), Z_STRLEN($2.u.constant)+1); tmp[0] = '\\'; efree(Z_STRVAL($2.u.constant)); Z_STRVAL($2.u.constant) = tmp; ++Z_STRLEN($2.u.constant); $$ = $2; } 876; 877 878fully_qualified_class_name: 879 namespace_name { $$ = $1; } 880 | T_NAMESPACE T_NS_SEPARATOR namespace_name { $$.op_type = IS_CONST; ZVAL_EMPTY_STRING(&$$.u.constant); zend_do_build_namespace_name(&$$, &$$, &$3 TSRMLS_CC); } 881 | T_NS_SEPARATOR namespace_name { char *tmp = estrndup(Z_STRVAL($2.u.constant), Z_STRLEN($2.u.constant)+1); memcpy(&(tmp[1]), Z_STRVAL($2.u.constant), Z_STRLEN($2.u.constant)+1); tmp[0] = '\\'; efree(Z_STRVAL($2.u.constant)); Z_STRVAL($2.u.constant) = tmp; ++Z_STRLEN($2.u.constant); $$ = $2; } 882; 883 884 885 886class_name_reference: 887 class_name { zend_do_fetch_class(&$$, &$1 TSRMLS_CC); } 888 | dynamic_class_name_reference { zend_do_end_variable_parse(&$1, BP_VAR_R, 0 TSRMLS_CC); zend_do_fetch_class(&$$, &$1 TSRMLS_CC); } 889; 890 891 892dynamic_class_name_reference: 893 base_variable T_OBJECT_OPERATOR { zend_do_push_object(&$1 TSRMLS_CC); } 894 object_property { zend_do_push_object(&$4 TSRMLS_CC); } dynamic_class_name_variable_properties 895 { zend_do_pop_object(&$$ TSRMLS_CC); $$.EA = ZEND_PARSED_MEMBER; } 896 | base_variable { $$ = $1; } 897; 898 899 900dynamic_class_name_variable_properties: 901 dynamic_class_name_variable_properties dynamic_class_name_variable_property 902 | /* empty */ 903; 904 905 906dynamic_class_name_variable_property: 907 T_OBJECT_OPERATOR object_property { zend_do_push_object(&$2 TSRMLS_CC); } 908; 909 910exit_expr: 911 /* empty */ { memset(&$$, 0, sizeof(znode)); $$.op_type = IS_UNUSED; } 912 | '(' ')' { memset(&$$, 0, sizeof(znode)); $$.op_type = IS_UNUSED; } 913 | parenthesis_expr { $$ = $1; } 914; 915 916backticks_expr: 917 /* empty */ { ZVAL_EMPTY_STRING(&$$.u.constant); INIT_PZVAL(&$$.u.constant); $$.op_type = IS_CONST; } 918 | T_ENCAPSED_AND_WHITESPACE { $$ = $1; } 919 | encaps_list { $$ = $1; } 920; 921 922 923ctor_arguments: 924 /* empty */ { Z_LVAL($$.u.constant) = 0; } 925 | function_call_parameter_list { $$ = $1; } 926; 927 928 929common_scalar: 930 T_LNUMBER { $$ = $1; } 931 | T_DNUMBER { $$ = $1; } 932 | T_CONSTANT_ENCAPSED_STRING { $$ = $1; } 933 | T_LINE { $$ = $1; } 934 | T_FILE { $$ = $1; } 935 | T_DIR { $$ = $1; } 936 | T_TRAIT_C { $$ = $1; } 937 | T_METHOD_C { $$ = $1; } 938 | T_FUNC_C { $$ = $1; } 939 | T_NS_C { $$ = $1; } 940 | T_START_HEREDOC T_ENCAPSED_AND_WHITESPACE T_END_HEREDOC { $$ = $2; } 941 | T_START_HEREDOC T_END_HEREDOC { ZVAL_EMPTY_STRING(&$$.u.constant); INIT_PZVAL(&$$.u.constant); $$.op_type = IS_CONST; } 942; 943 944 945static_scalar: /* compile-time evaluated scalars */ 946 common_scalar { $$ = $1; } 947 | static_class_name_scalar { $$ = $1; } 948 | namespace_name { zend_do_fetch_constant(&$$, NULL, &$1, ZEND_CT, 1 TSRMLS_CC); } 949 | 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); } 950 | 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(&$$, NULL, &$2, ZEND_CT, 0 TSRMLS_CC); } 951 | '+' static_scalar { ZVAL_LONG(&$1.u.constant, 0); add_function(&$2.u.constant, &$1.u.constant, &$2.u.constant TSRMLS_CC); $$ = $2; } 952 | '-' static_scalar { ZVAL_LONG(&$1.u.constant, 0); sub_function(&$2.u.constant, &$1.u.constant, &$2.u.constant TSRMLS_CC); $$ = $2; } 953 | T_ARRAY '(' static_array_pair_list ')' { $$ = $3; Z_TYPE($$.u.constant) = IS_CONSTANT_ARRAY; } 954 | '[' static_array_pair_list ']' { $$ = $2; Z_TYPE($$.u.constant) = IS_CONSTANT_ARRAY; } 955 | static_class_constant { $$ = $1; } 956 | T_CLASS_C { $$ = $1; } 957; 958 959static_class_constant: 960 class_name T_PAAMAYIM_NEKUDOTAYIM T_STRING { zend_do_fetch_constant(&$$, &$1, &$3, ZEND_CT, 0 TSRMLS_CC); } 961; 962 963scalar: 964 T_STRING_VARNAME { $$ = $1; } 965 | class_name_scalar { $$ = $1; } 966 | class_constant { $$ = $1; } 967 | namespace_name { zend_do_fetch_constant(&$$, NULL, &$1, ZEND_RT, 1 TSRMLS_CC); } 968 | 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); } 969 | 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(&$$, NULL, &$2, ZEND_RT, 0 TSRMLS_CC); } 970 | common_scalar { $$ = $1; } 971 | '"' encaps_list '"' { $$ = $2; } 972 | T_START_HEREDOC encaps_list T_END_HEREDOC { $$ = $2; } 973 | T_CLASS_C { if (Z_TYPE($1.u.constant) == IS_CONSTANT) {zend_do_fetch_constant(&$$, NULL, &$1, ZEND_RT, 1 TSRMLS_CC);} else {$$ = $1;} } 974; 975 976 977static_array_pair_list: 978 /* empty */ { $$.op_type = IS_CONST; INIT_PZVAL(&$$.u.constant); array_init(&$$.u.constant); } 979 | non_empty_static_array_pair_list possible_comma { $$ = $1; } 980; 981 982possible_comma: 983 /* empty */ 984 | ',' 985; 986 987non_empty_static_array_pair_list: 988 non_empty_static_array_pair_list ',' static_scalar T_DOUBLE_ARROW static_scalar { zend_do_add_static_array_element(&$$, &$3, &$5); } 989 | non_empty_static_array_pair_list ',' static_scalar { zend_do_add_static_array_element(&$$, NULL, &$3); } 990 | 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); } 991 | static_scalar { $$.op_type = IS_CONST; INIT_PZVAL(&$$.u.constant); array_init(&$$.u.constant); zend_do_add_static_array_element(&$$, NULL, &$1); } 992; 993 994expr: 995 r_variable { $$ = $1; } 996 | expr_without_variable { $$ = $1; } 997; 998 999parenthesis_expr: 1000 '(' expr ')' { $$ = $2; } 1001 | '(' yield_expr ')' { $$ = $2; } 1002; 1003 1004 1005r_variable: 1006 variable { zend_do_end_variable_parse(&$1, BP_VAR_R, 0 TSRMLS_CC); $$ = $1; } 1007; 1008 1009 1010w_variable: 1011 variable { zend_do_end_variable_parse(&$1, BP_VAR_W, 0 TSRMLS_CC); $$ = $1; 1012 zend_check_writable_variable(&$1); } 1013; 1014 1015rw_variable: 1016 variable { zend_do_end_variable_parse(&$1, BP_VAR_RW, 0 TSRMLS_CC); $$ = $1; 1017 zend_check_writable_variable(&$1); } 1018; 1019 1020variable: 1021 base_variable_with_function_calls T_OBJECT_OPERATOR { zend_do_push_object(&$1 TSRMLS_CC); } 1022 object_property { zend_do_push_object(&$4 TSRMLS_CC); } method_or_not variable_properties 1023 { zend_do_pop_object(&$$ TSRMLS_CC); $$.EA = $1.EA | ($7.EA ? $7.EA : $6.EA); } 1024 | base_variable_with_function_calls { $$ = $1; } 1025; 1026 1027variable_properties: 1028 variable_properties variable_property { $$.EA = $2.EA; } 1029 | /* empty */ { $$.EA = 0; } 1030; 1031 1032 1033variable_property: 1034 T_OBJECT_OPERATOR object_property { zend_do_push_object(&$2 TSRMLS_CC); } method_or_not { $$.EA = $4.EA; } 1035; 1036 1037array_method_dereference: 1038 array_method_dereference '[' dim_offset ']' { fetch_array_dim(&$$, &$1, &$3 TSRMLS_CC); } 1039 | method '[' dim_offset ']' { $1.EA = ZEND_PARSED_METHOD_CALL; fetch_array_dim(&$$, &$1, &$3 TSRMLS_CC); } 1040; 1041 1042method: 1043 { zend_do_pop_object(&$$ TSRMLS_CC); zend_do_begin_method_call(&$$ TSRMLS_CC); } 1044 function_call_parameter_list { zend_do_end_function_call(&$1, &$$, &$2, 1, 1 TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C); } 1045; 1046 1047method_or_not: 1048 method { $$ = $1; $$.EA = ZEND_PARSED_METHOD_CALL; zend_do_push_object(&$$ TSRMLS_CC); } 1049 | array_method_dereference { $$ = $1; zend_do_push_object(&$$ TSRMLS_CC); } 1050 | /* empty */ { $$.EA = ZEND_PARSED_MEMBER; } 1051; 1052 1053variable_without_objects: 1054 reference_variable { $$ = $1; } 1055 | simple_indirect_reference reference_variable { zend_do_indirect_references(&$$, &$1, &$2 TSRMLS_CC); } 1056; 1057 1058static_member: 1059 class_name T_PAAMAYIM_NEKUDOTAYIM variable_without_objects { $$ = $3; zend_do_fetch_static_member(&$$, &$1 TSRMLS_CC); } 1060 | variable_class_name T_PAAMAYIM_NEKUDOTAYIM variable_without_objects { $$ = $3; zend_do_fetch_static_member(&$$, &$1 TSRMLS_CC); } 1061 1062; 1063 1064variable_class_name: 1065 reference_variable { zend_do_end_variable_parse(&$1, BP_VAR_R, 0 TSRMLS_CC); $$=$1;; } 1066; 1067 1068array_function_dereference: 1069 array_function_dereference '[' dim_offset ']' { fetch_array_dim(&$$, &$1, &$3 TSRMLS_CC); } 1070 | function_call { zend_do_begin_variable_parse(TSRMLS_C); $1.EA = ZEND_PARSED_FUNCTION_CALL; } 1071 '[' dim_offset ']' { fetch_array_dim(&$$, &$1, &$4 TSRMLS_CC); } 1072; 1073 1074base_variable_with_function_calls: 1075 base_variable { $$ = $1; } 1076 | array_function_dereference { $$ = $1; } 1077 | function_call { zend_do_begin_variable_parse(TSRMLS_C); $$ = $1; $$.EA = ZEND_PARSED_FUNCTION_CALL; } 1078; 1079 1080 1081base_variable: 1082 reference_variable { $$ = $1; $$.EA = ZEND_PARSED_VARIABLE; } 1083 | simple_indirect_reference reference_variable { zend_do_indirect_references(&$$, &$1, &$2 TSRMLS_CC); $$.EA = ZEND_PARSED_VARIABLE; } 1084 | static_member { $$ = $1; $$.EA = ZEND_PARSED_STATIC_MEMBER; } 1085; 1086 1087reference_variable: 1088 reference_variable '[' dim_offset ']' { fetch_array_dim(&$$, &$1, &$3 TSRMLS_CC); } 1089 | reference_variable '{' expr '}' { fetch_string_offset(&$$, &$1, &$3 TSRMLS_CC); } 1090 | compound_variable { zend_do_begin_variable_parse(TSRMLS_C); fetch_simple_variable(&$$, &$1, 1 TSRMLS_CC); } 1091; 1092 1093 1094compound_variable: 1095 T_VARIABLE { $$ = $1; } 1096 | '$' '{' expr '}' { $$ = $3; } 1097; 1098 1099dim_offset: 1100 /* empty */ { $$.op_type = IS_UNUSED; } 1101 | expr { $$ = $1; } 1102; 1103 1104 1105object_property: 1106 object_dim_list { $$ = $1; } 1107 | variable_without_objects { zend_do_end_variable_parse(&$1, BP_VAR_R, 0 TSRMLS_CC); } { znode tmp_znode; zend_do_pop_object(&tmp_znode TSRMLS_CC); zend_do_fetch_property(&$$, &tmp_znode, &$1 TSRMLS_CC);} 1108; 1109 1110object_dim_list: 1111 object_dim_list '[' dim_offset ']' { fetch_array_dim(&$$, &$1, &$3 TSRMLS_CC); } 1112 | object_dim_list '{' expr '}' { fetch_string_offset(&$$, &$1, &$3 TSRMLS_CC); } 1113 | variable_name { znode tmp_znode; zend_do_pop_object(&tmp_znode TSRMLS_CC); zend_do_fetch_property(&$$, &tmp_znode, &$1 TSRMLS_CC);} 1114; 1115 1116variable_name: 1117 T_STRING { $$ = $1; } 1118 | '{' expr '}' { $$ = $2; } 1119; 1120 1121simple_indirect_reference: 1122 '$' { Z_LVAL($$.u.constant) = 1; } 1123 | simple_indirect_reference '$' { Z_LVAL($$.u.constant)++; } 1124; 1125 1126assignment_list: 1127 assignment_list ',' assignment_list_element 1128 | assignment_list_element 1129; 1130 1131 1132assignment_list_element: 1133 variable { zend_do_add_list_element(&$1 TSRMLS_CC); } 1134 | T_LIST '(' { zend_do_new_list_begin(TSRMLS_C); } assignment_list ')' { zend_do_new_list_end(TSRMLS_C); } 1135 | /* empty */ { zend_do_add_list_element(NULL TSRMLS_CC); } 1136; 1137 1138 1139array_pair_list: 1140 /* empty */ { zend_do_init_array(&$$, NULL, NULL, 0 TSRMLS_CC); } 1141 | non_empty_array_pair_list possible_comma { $$ = $1; } 1142; 1143 1144non_empty_array_pair_list: 1145 non_empty_array_pair_list ',' expr T_DOUBLE_ARROW expr { zend_do_add_array_element(&$$, &$5, &$3, 0 TSRMLS_CC); } 1146 | non_empty_array_pair_list ',' expr { zend_do_add_array_element(&$$, &$3, NULL, 0 TSRMLS_CC); } 1147 | expr T_DOUBLE_ARROW expr { zend_do_init_array(&$$, &$3, &$1, 0 TSRMLS_CC); } 1148 | expr { zend_do_init_array(&$$, &$1, NULL, 0 TSRMLS_CC); } 1149 | non_empty_array_pair_list ',' expr T_DOUBLE_ARROW '&' w_variable { zend_do_add_array_element(&$$, &$6, &$3, 1 TSRMLS_CC); } 1150 | non_empty_array_pair_list ',' '&' w_variable { zend_do_add_array_element(&$$, &$4, NULL, 1 TSRMLS_CC); } 1151 | expr T_DOUBLE_ARROW '&' w_variable { zend_do_init_array(&$$, &$4, &$1, 1 TSRMLS_CC); } 1152 | '&' w_variable { zend_do_init_array(&$$, &$2, NULL, 1 TSRMLS_CC); } 1153; 1154 1155encaps_list: 1156 encaps_list encaps_var { zend_do_end_variable_parse(&$2, BP_VAR_R, 0 TSRMLS_CC); zend_do_add_variable(&$$, &$1, &$2 TSRMLS_CC); } 1157 | encaps_list T_ENCAPSED_AND_WHITESPACE { zend_do_add_string(&$$, &$1, &$2 TSRMLS_CC); } 1158 | encaps_var { zend_do_end_variable_parse(&$1, BP_VAR_R, 0 TSRMLS_CC); zend_do_add_variable(&$$, NULL, &$1 TSRMLS_CC); } 1159 | T_ENCAPSED_AND_WHITESPACE encaps_var { zend_do_add_string(&$$, NULL, &$1 TSRMLS_CC); zend_do_end_variable_parse(&$2, BP_VAR_R, 0 TSRMLS_CC); zend_do_add_variable(&$$, &$$, &$2 TSRMLS_CC); } 1160; 1161 1162 1163 1164encaps_var: 1165 T_VARIABLE { zend_do_begin_variable_parse(TSRMLS_C); fetch_simple_variable(&$$, &$1, 1 TSRMLS_CC); } 1166 | T_VARIABLE '[' { zend_do_begin_variable_parse(TSRMLS_C); } encaps_var_offset ']' { fetch_array_begin(&$$, &$1, &$4 TSRMLS_CC); } 1167 | T_VARIABLE T_OBJECT_OPERATOR T_STRING { zend_do_begin_variable_parse(TSRMLS_C); fetch_simple_variable(&$2, &$1, 1 TSRMLS_CC); zend_do_fetch_property(&$$, &$2, &$3 TSRMLS_CC); } 1168 | T_DOLLAR_OPEN_CURLY_BRACES expr '}' { zend_do_begin_variable_parse(TSRMLS_C); fetch_simple_variable(&$$, &$2, 1 TSRMLS_CC); } 1169 | T_DOLLAR_OPEN_CURLY_BRACES T_STRING_VARNAME '[' expr ']' '}' { zend_do_begin_variable_parse(TSRMLS_C); fetch_array_begin(&$$, &$2, &$4 TSRMLS_CC); } 1170 | T_CURLY_OPEN variable '}' { $$ = $2; } 1171; 1172 1173 1174encaps_var_offset: 1175 T_STRING { $$ = $1; } 1176 | T_NUM_STRING { $$ = $1; } 1177 | T_VARIABLE { fetch_simple_variable(&$$, &$1, 1 TSRMLS_CC); } 1178; 1179 1180 1181internal_functions_in_yacc: 1182 T_ISSET '(' isset_variables ')' { $$ = $3; } 1183 | T_EMPTY '(' variable ')' { zend_do_isset_or_isempty(ZEND_ISEMPTY, &$$, &$3 TSRMLS_CC); } 1184 | T_EMPTY '(' expr_without_variable ')' { zend_do_unary_op(ZEND_BOOL_NOT, &$$, &$3 TSRMLS_CC); } 1185 | T_INCLUDE expr { zend_do_include_or_eval(ZEND_INCLUDE, &$$, &$2 TSRMLS_CC); } 1186 | T_INCLUDE_ONCE expr { zend_do_include_or_eval(ZEND_INCLUDE_ONCE, &$$, &$2 TSRMLS_CC); } 1187 | T_EVAL '(' expr ')' { zend_do_include_or_eval(ZEND_EVAL, &$$, &$3 TSRMLS_CC); } 1188 | T_REQUIRE expr { zend_do_include_or_eval(ZEND_REQUIRE, &$$, &$2 TSRMLS_CC); } 1189 | T_REQUIRE_ONCE expr { zend_do_include_or_eval(ZEND_REQUIRE_ONCE, &$$, &$2 TSRMLS_CC); } 1190; 1191 1192isset_variables: 1193 isset_variable { $$ = $1; } 1194 | isset_variables ',' { zend_do_boolean_and_begin(&$1, &$2 TSRMLS_CC); } isset_variable { zend_do_boolean_and_end(&$$, &$1, &$4, &$2 TSRMLS_CC); } 1195; 1196 1197isset_variable: 1198 variable { zend_do_isset_or_isempty(ZEND_ISSET, &$$, &$1 TSRMLS_CC); } 1199 | expr_without_variable { zend_error(E_COMPILE_ERROR, "Cannot use isset() on the result of an expression (you can use \"null !== expression\" instead)"); } 1200; 1201 1202class_constant: 1203 class_name T_PAAMAYIM_NEKUDOTAYIM T_STRING { zend_do_fetch_constant(&$$, &$1, &$3, ZEND_RT, 0 TSRMLS_CC); } 1204 | variable_class_name T_PAAMAYIM_NEKUDOTAYIM T_STRING { zend_do_fetch_constant(&$$, &$1, &$3, ZEND_RT, 0 TSRMLS_CC); } 1205; 1206 1207static_class_name_scalar: 1208 class_name T_PAAMAYIM_NEKUDOTAYIM T_CLASS { zend_do_resolve_class_name(&$$, &$1, 1 TSRMLS_CC); } 1209; 1210 1211class_name_scalar: 1212 class_name T_PAAMAYIM_NEKUDOTAYIM T_CLASS { zend_do_resolve_class_name(&$$, &$1, 0 TSRMLS_CC); } 1213; 1214 1215%% 1216 1217/* Copy to YYRES the contents of YYSTR after stripping away unnecessary 1218 quotes and backslashes, so that it's suitable for yyerror. The 1219 heuristic is that double-quoting is unnecessary unless the string 1220 contains an apostrophe, a comma, or backslash (other than 1221 backslash-backslash). YYSTR is taken from yytname. If YYRES is 1222 null, do not copy; instead, return the length of what the result 1223 would have been. */ 1224static YYSIZE_T zend_yytnamerr(char *yyres, const char *yystr) 1225{ 1226 if (!yyres) { 1227 return yystrlen(yystr); 1228 } 1229 { 1230 TSRMLS_FETCH(); 1231 if (CG(parse_error) == 0) { 1232 char buffer[120]; 1233 const unsigned char *end, *str, *tok1 = NULL, *tok2 = NULL; 1234 unsigned int len = 0, toklen = 0, yystr_len; 1235 1236 CG(parse_error) = 1; 1237 1238 if (LANG_SCNG(yy_text)[0] == 0 && 1239 LANG_SCNG(yy_leng) == 1 && 1240 memcmp(yystr, "\"end of file\"", sizeof("\"end of file\"") - 1) == 0) { 1241 yystpcpy(yyres, "end of file"); 1242 return sizeof("end of file")-1; 1243 } 1244 1245 str = LANG_SCNG(yy_text); 1246 end = memchr(str, '\n', LANG_SCNG(yy_leng)); 1247 yystr_len = yystrlen(yystr); 1248 1249 if ((tok1 = memchr(yystr, '(', yystr_len)) != NULL 1250 && (tok2 = zend_memrchr(yystr, ')', yystr_len)) != NULL) { 1251 toklen = (tok2 - tok1) + 1; 1252 } else { 1253 tok1 = tok2 = NULL; 1254 toklen = 0; 1255 } 1256 1257 if (end == NULL) { 1258 len = LANG_SCNG(yy_leng) > 30 ? 30 : LANG_SCNG(yy_leng); 1259 } else { 1260 len = (end - str) > 30 ? 30 : (end - str); 1261 } 1262 if (toklen) { 1263 snprintf(buffer, sizeof(buffer), "'%.*s' %.*s", len, str, toklen, tok1); 1264 } else { 1265 snprintf(buffer, sizeof(buffer), "'%.*s'", len, str); 1266 } 1267 yystpcpy(yyres, buffer); 1268 return len + (toklen ? toklen + 1 : 0) + 2; 1269 } 1270 } 1271 if (*yystr == '"') { 1272 YYSIZE_T yyn = 0; 1273 const char *yyp = yystr; 1274 1275 for (; *++yyp != '"'; ++yyn) { 1276 yyres[yyn] = *yyp; 1277 } 1278 yyres[yyn] = '\0'; 1279 return yyn; 1280 } 1281 yystpcpy(yyres, yystr); 1282 return strlen(yystr); 1283} 1284 1285/* 1286 * Local variables: 1287 * tab-width: 4 1288 * c-basic-offset: 4 1289 * indent-tabs-mode: t 1290 * End: 1291 */ 1292