1 %{ 2 /* 3 +----------------------------------------------------------------------+ 4 | Zend Engine | 5 +----------------------------------------------------------------------+ 6 | Copyright (c) 1998-2014 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 40 static 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 %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 74 %token T_PLUS_EQUAL "+= (T_PLUS_EQUAL)" 75 %token T_MINUS_EQUAL "-= (T_MINUS_EQUAL)" 76 %token T_MUL_EQUAL "*= (T_MUL_EQUAL)" 77 %token T_DIV_EQUAL "/= (T_DIV_EQUAL)" 78 %token T_CONCAT_EQUAL ".= (T_CONCAT_EQUAL)" 79 %token T_MOD_EQUAL "%= (T_MOD_EQUAL)" 80 %token T_AND_EQUAL "&= (T_AND_EQUAL)" 81 %token T_OR_EQUAL "|= (T_OR_EQUAL)" 82 %token T_XOR_EQUAL "^= (T_XOR_EQUAL)" 83 %token T_SL_EQUAL "<<= (T_SL_EQUAL)" 84 %token T_SR_EQUAL ">>= (T_SR_EQUAL)" 85 %left '?' ':' 86 %left T_BOOLEAN_OR 87 %token T_BOOLEAN_OR "|| (T_BOOLEAN_OR)" 88 %left T_BOOLEAN_AND 89 %token T_BOOLEAN_AND "&& (T_BOOLEAN_AND)" 90 %left '|' 91 %left '^' 92 %left '&' 93 %nonassoc T_IS_EQUAL T_IS_NOT_EQUAL T_IS_IDENTICAL T_IS_NOT_IDENTICAL 94 %token T_IS_EQUAL "== (T_IS_EQUAL)" 95 %token T_IS_NOT_EQUAL "!= (T_IS_NOT_EQUAL)" 96 %token T_IS_IDENTICAL "=== (T_IS_IDENTICAL)" 97 %token T_IS_NOT_IDENTICAL "!== (T_IS_NOT_IDENTICAL)" 98 %nonassoc '<' T_IS_SMALLER_OR_EQUAL '>' T_IS_GREATER_OR_EQUAL 99 %token T_IS_SMALLER_OR_EQUAL "<= (T_IS_SMALLER_OR_EQUAL)" 100 %token T_IS_GREATER_OR_EQUAL ">= (T_IS_GREATER_OR_EQUAL)" 101 %left T_SL T_SR 102 %token T_SL "<< (T_SL)" 103 %token T_SR ">> (T_SR)" 104 %left '+' '-' '.' 105 %left '*' '/' '%' 106 %right '!' 107 %nonassoc T_INSTANCEOF 108 %token T_INSTANCEOF "instanceof (T_INSTANCEOF)" 109 %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 '@' 110 %token T_INC "++ (T_INC)" 111 %token T_DEC "-- (T_DEC)" 112 %token T_INT_CAST "(int) (T_INT_CAST)" 113 %token T_DOUBLE_CAST "(double) (T_DOUBLE_CAST)" 114 %token T_STRING_CAST "(string) (T_STRING_CAST)" 115 %token T_ARRAY_CAST "(array) (T_ARRAY_CAST)" 116 %token T_OBJECT_CAST "(object) (T_OBJECT_CAST)" 117 %token T_BOOL_CAST "(bool) (T_BOOL_CAST)" 118 %token T_UNSET_CAST "(unset) (T_UNSET_CAST)" 119 %right '[' 120 %nonassoc T_NEW T_CLONE 121 %token T_NEW "new (T_NEW)" 122 %token T_CLONE "clone (T_CLONE)" 123 %token T_EXIT "exit (T_EXIT)" 124 %token T_IF "if (T_IF)" 125 %left T_ELSEIF 126 %token T_ELSEIF "elseif (T_ELSEIF)" 127 %left T_ELSE 128 %token T_ELSE "else (T_ELSE)" 129 %left T_ENDIF 130 %token T_ENDIF "endif (T_ENDIF)" 131 %token T_LNUMBER "integer number (T_LNUMBER)" 132 %token T_DNUMBER "floating-point number (T_DNUMBER)" 133 %token T_STRING "identifier (T_STRING)" 134 %token T_STRING_VARNAME "variable name (T_STRING_VARNAME)" 135 %token T_VARIABLE "variable (T_VARIABLE)" 136 %token T_NUM_STRING "number (T_NUM_STRING)" 137 %token T_INLINE_HTML 138 %token T_CHARACTER 139 %token T_BAD_CHARACTER 140 %token T_ENCAPSED_AND_WHITESPACE "quoted-string and whitespace (T_ENCAPSED_AND_WHITESPACE)" 141 %token T_CONSTANT_ENCAPSED_STRING "quoted-string (T_CONSTANT_ENCAPSED_STRING)" 142 %token T_ECHO "echo (T_ECHO)" 143 %token T_DO "do (T_DO)" 144 %token T_WHILE "while (T_WHILE)" 145 %token T_ENDWHILE "endwhile (T_ENDWHILE)" 146 %token T_FOR "for (T_FOR)" 147 %token T_ENDFOR "endfor (T_ENDFOR)" 148 %token T_FOREACH "foreach (T_FOREACH)" 149 %token T_ENDFOREACH "endforeach (T_ENDFOREACH)" 150 %token T_DECLARE "declare (T_DECLARE)" 151 %token T_ENDDECLARE "enddeclare (T_ENDDECLARE)" 152 %token T_AS "as (T_AS)" 153 %token T_SWITCH "switch (T_SWITCH)" 154 %token T_ENDSWITCH "endswitch (T_ENDSWITCH)" 155 %token T_CASE "case (T_CASE)" 156 %token T_DEFAULT "default (T_DEFAULT)" 157 %token T_BREAK "break (T_BREAK)" 158 %token T_CONTINUE "continue (T_CONTINUE)" 159 %token T_GOTO "goto (T_GOTO)" 160 %token T_FUNCTION "function (T_FUNCTION)" 161 %token T_CONST "const (T_CONST)" 162 %token T_RETURN "return (T_RETURN)" 163 %token T_TRY "try (T_TRY)" 164 %token T_CATCH "catch (T_CATCH)" 165 %token T_THROW "throw (T_THROW)" 166 %token T_USE "use (T_USE)" 167 %token T_INSTEADOF "insteadof (T_INSTEADOF)" 168 %token T_GLOBAL "global (T_GLOBAL)" 169 %right T_STATIC T_ABSTRACT T_FINAL T_PRIVATE T_PROTECTED T_PUBLIC 170 %token T_STATIC "static (T_STATIC)" 171 %token T_ABSTRACT "abstract (T_ABSTRACT)" 172 %token T_FINAL "final (T_FINAL)" 173 %token T_PRIVATE "private (T_PRIVATE)" 174 %token T_PROTECTED "protected (T_PROTECTED)" 175 %token T_PUBLIC "public (T_PUBLIC)" 176 %token T_VAR "var (T_VAR)" 177 %token T_UNSET "unset (T_UNSET)" 178 %token T_ISSET "isset (T_ISSET)" 179 %token T_EMPTY "empty (T_EMPTY)" 180 %token T_HALT_COMPILER "__halt_compiler (T_HALT_COMPILER)" 181 %token T_CLASS "class (T_CLASS)" 182 %token T_TRAIT "trait (T_TRAIT)" 183 %token T_INTERFACE "interface (T_INTERFACE)" 184 %token T_EXTENDS "extends (T_EXTENDS)" 185 %token T_IMPLEMENTS "implements (T_IMPLEMENTS)" 186 %token T_OBJECT_OPERATOR "-> (T_OBJECT_OPERATOR)" 187 %token T_DOUBLE_ARROW "=> (T_DOUBLE_ARROW)" 188 %token T_LIST "list (T_LIST)" 189 %token T_ARRAY "array (T_ARRAY)" 190 %token T_CALLABLE "callable (T_CALLABLE)" 191 %token T_CLASS_C "__CLASS__ (T_CLASS_C)" 192 %token T_TRAIT_C "__TRAIT__ (T_TRAIT_C)" 193 %token T_METHOD_C "__METHOD__ (T_METHOD_C)" 194 %token T_FUNC_C "__FUNCTION__ (T_FUNC_C)" 195 %token T_LINE "__LINE__ (T_LINE)" 196 %token T_FILE "__FILE__ (T_FILE)" 197 %token T_COMMENT "comment (T_COMMENT)" 198 %token T_DOC_COMMENT "doc comment (T_DOC_COMMENT)" 199 %token T_OPEN_TAG "open tag (T_OPEN_TAG)" 200 %token T_OPEN_TAG_WITH_ECHO "open tag with echo (T_OPEN_TAG_WITH_ECHO)" 201 %token T_CLOSE_TAG "close tag (T_CLOSE_TAG)" 202 %token T_WHITESPACE "whitespace (T_WHITESPACE)" 203 %token T_START_HEREDOC "heredoc start (T_START_HEREDOC)" 204 %token T_END_HEREDOC "heredoc end (T_END_HEREDOC)" 205 %token T_DOLLAR_OPEN_CURLY_BRACES "${ (T_DOLLAR_OPEN_CURLY_BRACES)" 206 %token T_CURLY_OPEN "{$ (T_CURLY_OPEN)" 207 %token T_PAAMAYIM_NEKUDOTAYIM ":: (T_PAAMAYIM_NEKUDOTAYIM)" 208 %token T_NAMESPACE "namespace (T_NAMESPACE)" 209 %token T_NS_C "__NAMESPACE__ (T_NS_C)" 210 %token T_DIR "__DIR__ (T_DIR)" 211 %token T_NS_SEPARATOR "\\ (T_NS_SEPARATOR)" 212 213 %% /* Rules */ 214 215 start: 216 top_statement_list { zend_do_end_compilation(TSRMLS_C); } 217 ; 218 219 top_statement_list: 220 top_statement_list { zend_do_extended_info(TSRMLS_C); } top_statement { HANDLE_INTERACTIVE(); } 221 | /* empty */ 222 ; 223 224 namespace_name: 225 T_STRING { $$ = $1; } 226 | namespace_name T_NS_SEPARATOR T_STRING { zend_do_build_namespace_name(&$$, &$1, &$3 TSRMLS_CC); } 227 ; 228 229 top_statement: 230 statement { zend_verify_namespace(TSRMLS_C); } 231 | function_declaration_statement { zend_verify_namespace(TSRMLS_C); zend_do_early_binding(TSRMLS_C); } 232 | class_declaration_statement { zend_verify_namespace(TSRMLS_C); zend_do_early_binding(TSRMLS_C); } 233 | T_HALT_COMPILER '(' ')' ';' { zend_do_halt_compiler_register(TSRMLS_C); YYACCEPT; } 234 | T_NAMESPACE namespace_name ';' { zend_do_begin_namespace(&$2, 0 TSRMLS_CC); } 235 | T_NAMESPACE namespace_name '{' { zend_do_begin_namespace(&$2, 1 TSRMLS_CC); } 236 top_statement_list '}' { zend_do_end_namespace(TSRMLS_C); } 237 | T_NAMESPACE '{' { zend_do_begin_namespace(NULL, 1 TSRMLS_CC); } 238 top_statement_list '}' { zend_do_end_namespace(TSRMLS_C); } 239 | T_USE use_declarations ';' { zend_verify_namespace(TSRMLS_C); } 240 | constant_declaration ';' { zend_verify_namespace(TSRMLS_C); } 241 ; 242 243 use_declarations: 244 use_declarations ',' use_declaration 245 | use_declaration 246 ; 247 248 use_declaration: 249 namespace_name { zend_do_use(&$1, NULL, 0 TSRMLS_CC); } 250 | namespace_name T_AS T_STRING { zend_do_use(&$1, &$3, 0 TSRMLS_CC); } 251 | T_NS_SEPARATOR namespace_name { zend_do_use(&$2, NULL, 1 TSRMLS_CC); } 252 | T_NS_SEPARATOR namespace_name T_AS T_STRING { zend_do_use(&$2, &$4, 1 TSRMLS_CC); } 253 ; 254 255 constant_declaration: 256 constant_declaration ',' T_STRING '=' static_scalar { zend_do_declare_constant(&$3, &$5 TSRMLS_CC); } 257 | T_CONST T_STRING '=' static_scalar { zend_do_declare_constant(&$2, &$4 TSRMLS_CC); } 258 ; 259 260 inner_statement_list: 261 inner_statement_list { zend_do_extended_info(TSRMLS_C); } inner_statement { HANDLE_INTERACTIVE(); } 262 | /* empty */ 263 ; 264 265 266 inner_statement: 267 statement 268 | function_declaration_statement 269 | class_declaration_statement 270 | T_HALT_COMPILER '(' ')' ';' { zend_error(E_COMPILE_ERROR, "__HALT_COMPILER() can only be used from the outermost scope"); } 271 ; 272 273 274 statement: 275 unticked_statement { DO_TICKS(); } 276 | T_STRING ':' { zend_do_label(&$1 TSRMLS_CC); } 277 ; 278 279 unticked_statement: 280 '{' inner_statement_list '}' 281 | 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); } 282 | 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); } 283 | 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); } 284 | 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); } 285 | T_FOR 286 '(' 287 for_expr 288 ';' { zend_do_free(&$3 TSRMLS_CC); $4.u.op.opline_num = get_next_op_number(CG(active_op_array)); } 289 for_expr 290 ';' { zend_do_extended_info(TSRMLS_C); zend_do_for_cond(&$6, &$7 TSRMLS_CC); } 291 for_expr 292 ')' { zend_do_free(&$9 TSRMLS_CC); zend_do_for_before_statement(&$4, &$7 TSRMLS_CC); } 293 for_statement { zend_do_for_end(&$7 TSRMLS_CC); } 294 | T_SWITCH '(' expr ')' { zend_do_switch_cond(&$3 TSRMLS_CC); } switch_case_list { zend_do_switch_end(&$6 TSRMLS_CC); } 295 | T_BREAK ';' { zend_do_brk_cont(ZEND_BRK, NULL TSRMLS_CC); } 296 | T_BREAK expr ';' { zend_do_brk_cont(ZEND_BRK, &$2 TSRMLS_CC); } 297 | T_CONTINUE ';' { zend_do_brk_cont(ZEND_CONT, NULL TSRMLS_CC); } 298 | T_CONTINUE expr ';' { zend_do_brk_cont(ZEND_CONT, &$2 TSRMLS_CC); } 299 | T_RETURN ';' { zend_do_return(NULL, 0 TSRMLS_CC); } 300 | T_RETURN expr_without_variable ';' { zend_do_return(&$2, 0 TSRMLS_CC); } 301 | T_RETURN variable ';' { zend_do_return(&$2, 1 TSRMLS_CC); } 302 | T_GLOBAL global_var_list ';' 303 | T_STATIC static_var_list ';' 304 | T_ECHO echo_expr_list ';' 305 | T_INLINE_HTML { zend_do_echo(&$1 TSRMLS_CC); } 306 | expr ';' { zend_do_free(&$1 TSRMLS_CC); } 307 | T_UNSET '(' unset_variables ')' ';' 308 | T_FOREACH '(' variable T_AS 309 { zend_do_foreach_begin(&$1, &$2, &$3, &$4, 1 TSRMLS_CC); } 310 foreach_variable foreach_optional_arg ')' { zend_do_foreach_cont(&$1, &$2, &$4, &$6, &$7 TSRMLS_CC); } 311 foreach_statement { zend_do_foreach_end(&$1, &$4 TSRMLS_CC); } 312 | T_FOREACH '(' expr_without_variable T_AS 313 { zend_do_foreach_begin(&$1, &$2, &$3, &$4, 0 TSRMLS_CC); } 314 variable foreach_optional_arg ')' { zend_check_writable_variable(&$6); zend_do_foreach_cont(&$1, &$2, &$4, &$6, &$7 TSRMLS_CC); } 315 foreach_statement { zend_do_foreach_end(&$1, &$4 TSRMLS_CC); } 316 | 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); } 317 | ';' /* empty statement */ 318 | T_TRY { zend_do_try(&$1 TSRMLS_CC); } '{' inner_statement_list '}' 319 T_CATCH '(' { zend_initialize_try_catch_element(&$1 TSRMLS_CC); } 320 fully_qualified_class_name { zend_do_first_catch(&$7 TSRMLS_CC); } 321 T_VARIABLE ')' { zend_do_begin_catch(&$1, &$9, &$11, &$7 TSRMLS_CC); } 322 '{' inner_statement_list '}' { zend_do_end_catch(&$1 TSRMLS_CC); } 323 additional_catches { zend_do_mark_last_catch(&$7, &$18 TSRMLS_CC); } 324 | T_THROW expr ';' { zend_do_throw(&$2 TSRMLS_CC); } 325 | T_GOTO T_STRING ';' { zend_do_goto(&$2 TSRMLS_CC); } 326 ; 327 328 329 additional_catches: 330 non_empty_additional_catches { $$ = $1; } 331 | /* empty */ { $$.u.op.opline_num = -1; } 332 ; 333 334 non_empty_additional_catches: 335 additional_catch { $$ = $1; } 336 | non_empty_additional_catches additional_catch { $$ = $2; } 337 ; 338 339 340 additional_catch: 341 T_CATCH '(' fully_qualified_class_name { $$.u.op.opline_num = get_next_op_number(CG(active_op_array)); } T_VARIABLE ')' { zend_do_begin_catch(&$1, &$3, &$5, NULL TSRMLS_CC); } '{' inner_statement_list '}' { zend_do_end_catch(&$1 TSRMLS_CC); } 342 ; 343 344 345 unset_variables: 346 unset_variable 347 | unset_variables ',' unset_variable 348 ; 349 350 unset_variable: 351 variable { zend_do_end_variable_parse(&$1, BP_VAR_UNSET, 0 TSRMLS_CC); zend_do_unset(&$1 TSRMLS_CC); } 352 ; 353 354 function_declaration_statement: 355 unticked_function_declaration_statement { DO_TICKS(); } 356 ; 357 358 class_declaration_statement: 359 unticked_class_declaration_statement { DO_TICKS(); } 360 ; 361 362 363 is_reference: 364 /* empty */ { $$.op_type = ZEND_RETURN_VAL; } 365 | '&' { $$.op_type = ZEND_RETURN_REF; } 366 ; 367 368 369 unticked_function_declaration_statement: 370 function is_reference T_STRING { zend_do_begin_function_declaration(&$1, &$3, 0, $2.op_type, NULL TSRMLS_CC); } 371 '(' parameter_list ')' '{' inner_statement_list '}' { zend_do_end_function_declaration(&$1 TSRMLS_CC); } 372 ; 373 374 unticked_class_declaration_statement: 375 class_entry_type T_STRING extends_from 376 { zend_do_begin_class_declaration(&$1, &$2, &$3 TSRMLS_CC); } 377 implements_list 378 '{' 379 class_statement_list 380 '}' { zend_do_end_class_declaration(&$1, &$3 TSRMLS_CC); } 381 | interface_entry T_STRING 382 { zend_do_begin_class_declaration(&$1, &$2, NULL TSRMLS_CC); } 383 interface_extends_list 384 '{' 385 class_statement_list 386 '}' { zend_do_end_class_declaration(&$1, NULL TSRMLS_CC); } 387 ; 388 389 390 class_entry_type: 391 T_CLASS { $$.u.op.opline_num = CG(zend_lineno); $$.EA = 0; } 392 | T_ABSTRACT T_CLASS { $$.u.op.opline_num = CG(zend_lineno); $$.EA = ZEND_ACC_EXPLICIT_ABSTRACT_CLASS; } 393 | T_TRAIT { $$.u.op.opline_num = CG(zend_lineno); $$.EA = ZEND_ACC_TRAIT; } 394 | T_FINAL T_CLASS { $$.u.op.opline_num = CG(zend_lineno); $$.EA = ZEND_ACC_FINAL_CLASS; } 395 ; 396 397 extends_from: 398 /* empty */ { $$.op_type = IS_UNUSED; } 399 | T_EXTENDS fully_qualified_class_name { zend_do_fetch_class(&$$, &$2 TSRMLS_CC); } 400 ; 401 402 interface_entry: 403 T_INTERFACE { $$.u.op.opline_num = CG(zend_lineno); $$.EA = ZEND_ACC_INTERFACE; } 404 ; 405 406 interface_extends_list: 407 /* empty */ 408 | T_EXTENDS interface_list 409 ; 410 411 implements_list: 412 /* empty */ 413 | T_IMPLEMENTS interface_list 414 ; 415 416 interface_list: 417 fully_qualified_class_name { zend_do_implements_interface(&$1 TSRMLS_CC); } 418 | interface_list ',' fully_qualified_class_name { zend_do_implements_interface(&$3 TSRMLS_CC); } 419 ; 420 421 foreach_optional_arg: 422 /* empty */ { $$.op_type = IS_UNUSED; } 423 | T_DOUBLE_ARROW foreach_variable { $$ = $2; } 424 ; 425 426 427 foreach_variable: 428 variable { zend_check_writable_variable(&$1); $$ = $1; } 429 | '&' variable { zend_check_writable_variable(&$2); $$ = $2; $$.EA |= ZEND_PARSED_REFERENCE_VARIABLE; } 430 ; 431 432 for_statement: 433 statement 434 | ':' inner_statement_list T_ENDFOR ';' 435 ; 436 437 438 foreach_statement: 439 statement 440 | ':' inner_statement_list T_ENDFOREACH ';' 441 ; 442 443 444 declare_statement: 445 statement 446 | ':' inner_statement_list T_ENDDECLARE ';' 447 ; 448 449 450 declare_list: 451 T_STRING '=' static_scalar { zend_do_declare_stmt(&$1, &$3 TSRMLS_CC); } 452 | declare_list ',' T_STRING '=' static_scalar { zend_do_declare_stmt(&$3, &$5 TSRMLS_CC); } 453 ; 454 455 456 switch_case_list: 457 '{' case_list '}' { $$ = $2; } 458 | '{' ';' case_list '}' { $$ = $3; } 459 | ':' case_list T_ENDSWITCH ';' { $$ = $2; } 460 | ':' ';' case_list T_ENDSWITCH ';' { $$ = $3; } 461 ; 462 463 464 case_list: 465 /* empty */ { $$.op_type = IS_UNUSED; } 466 | case_list T_CASE expr case_separator { zend_do_extended_info(TSRMLS_C); zend_do_case_before_statement(&$1, &$2, &$3 TSRMLS_CC); } inner_statement_list { zend_do_case_after_statement(&$$, &$2 TSRMLS_CC); $$.op_type = IS_CONST; } 467 | case_list T_DEFAULT case_separator { zend_do_extended_info(TSRMLS_C); zend_do_default_before_statement(&$1, &$2 TSRMLS_CC); } inner_statement_list { zend_do_case_after_statement(&$$, &$2 TSRMLS_CC); $$.op_type = IS_CONST; } 468 ; 469 470 471 case_separator: 472 ':' 473 | ';' 474 ; 475 476 477 while_statement: 478 statement 479 | ':' inner_statement_list T_ENDWHILE ';' 480 ; 481 482 483 484 elseif_list: 485 /* empty */ 486 | elseif_list T_ELSEIF '(' expr ')' { zend_do_if_cond(&$4, &$5 TSRMLS_CC); } statement { zend_do_if_after_statement(&$5, 0 TSRMLS_CC); } 487 ; 488 489 490 new_elseif_list: 491 /* empty */ 492 | new_elseif_list T_ELSEIF '(' expr ')' ':' { zend_do_if_cond(&$4, &$5 TSRMLS_CC); } inner_statement_list { zend_do_if_after_statement(&$5, 0 TSRMLS_CC); } 493 ; 494 495 496 else_single: 497 /* empty */ 498 | T_ELSE statement 499 ; 500 501 502 new_else_single: 503 /* empty */ 504 | T_ELSE ':' inner_statement_list 505 ; 506 507 508 parameter_list: 509 non_empty_parameter_list 510 | /* empty */ 511 ; 512 513 514 non_empty_parameter_list: 515 optional_class_type T_VARIABLE { $$.op_type = IS_UNUSED; $$.u.op.num=1; zend_do_receive_arg(ZEND_RECV, &$2, &$$, NULL, &$1, 0 TSRMLS_CC); } 516 | optional_class_type '&' T_VARIABLE { $$.op_type = IS_UNUSED; $$.u.op.num=1; zend_do_receive_arg(ZEND_RECV, &$3, &$$, NULL, &$1, 1 TSRMLS_CC); } 517 | optional_class_type '&' T_VARIABLE '=' static_scalar { $$.op_type = IS_UNUSED; $$.u.op.num=1; zend_do_receive_arg(ZEND_RECV_INIT, &$3, &$$, &$5, &$1, 1 TSRMLS_CC); } 518 | optional_class_type T_VARIABLE '=' static_scalar { $$.op_type = IS_UNUSED; $$.u.op.num=1; zend_do_receive_arg(ZEND_RECV_INIT, &$2, &$$, &$4, &$1, 0 TSRMLS_CC); } 519 | non_empty_parameter_list ',' optional_class_type T_VARIABLE { $$=$1; $$.u.op.num++; zend_do_receive_arg(ZEND_RECV, &$4, &$$, NULL, &$3, 0 TSRMLS_CC); } 520 | non_empty_parameter_list ',' optional_class_type '&' T_VARIABLE { $$=$1; $$.u.op.num++; zend_do_receive_arg(ZEND_RECV, &$5, &$$, NULL, &$3, 1 TSRMLS_CC); } 521 | non_empty_parameter_list ',' optional_class_type '&' T_VARIABLE '=' static_scalar { $$=$1; $$.u.op.num++; zend_do_receive_arg(ZEND_RECV_INIT, &$5, &$$, &$7, &$3, 1 TSRMLS_CC); } 522 | non_empty_parameter_list ',' optional_class_type T_VARIABLE '=' static_scalar { $$=$1; $$.u.op.num++; zend_do_receive_arg(ZEND_RECV_INIT, &$4, &$$, &$6, &$3, 0 TSRMLS_CC); } 523 ; 524 525 526 optional_class_type: 527 /* empty */ { $$.op_type = IS_UNUSED; } 528 | T_ARRAY { $$.op_type = IS_CONST; Z_TYPE($$.u.constant)=IS_ARRAY; } 529 | T_CALLABLE { $$.op_type = IS_CONST; Z_TYPE($$.u.constant)=IS_CALLABLE; } 530 | fully_qualified_class_name { $$ = $1; } 531 ; 532 533 534 function_call_parameter_list: 535 non_empty_function_call_parameter_list { $$ = $1; } 536 | /* empty */ { Z_LVAL($$.u.constant) = 0; } 537 ; 538 539 540 non_empty_function_call_parameter_list: 541 expr_without_variable { Z_LVAL($$.u.constant) = 1; zend_do_pass_param(&$1, ZEND_SEND_VAL, Z_LVAL($$.u.constant) TSRMLS_CC); } 542 | variable { Z_LVAL($$.u.constant) = 1; zend_do_pass_param(&$1, ZEND_SEND_VAR, Z_LVAL($$.u.constant) TSRMLS_CC); } 543 | '&' w_variable { Z_LVAL($$.u.constant) = 1; zend_do_pass_param(&$2, ZEND_SEND_REF, Z_LVAL($$.u.constant) TSRMLS_CC); } 544 | non_empty_function_call_parameter_list ',' expr_without_variable { Z_LVAL($$.u.constant)=Z_LVAL($1.u.constant)+1; zend_do_pass_param(&$3, ZEND_SEND_VAL, Z_LVAL($$.u.constant) TSRMLS_CC); } 545 | non_empty_function_call_parameter_list ',' variable { Z_LVAL($$.u.constant)=Z_LVAL($1.u.constant)+1; zend_do_pass_param(&$3, ZEND_SEND_VAR, Z_LVAL($$.u.constant) TSRMLS_CC); } 546 | non_empty_function_call_parameter_list ',' '&' w_variable { Z_LVAL($$.u.constant)=Z_LVAL($1.u.constant)+1; zend_do_pass_param(&$4, ZEND_SEND_REF, Z_LVAL($$.u.constant) TSRMLS_CC); } 547 ; 548 549 global_var_list: 550 global_var_list ',' global_var { zend_do_fetch_global_variable(&$3, NULL, ZEND_FETCH_GLOBAL_LOCK TSRMLS_CC); } 551 | global_var { zend_do_fetch_global_variable(&$1, NULL, ZEND_FETCH_GLOBAL_LOCK TSRMLS_CC); } 552 ; 553 554 555 global_var: 556 T_VARIABLE { $$ = $1; } 557 | '$' r_variable { $$ = $2; } 558 | '$' '{' expr '}' { $$ = $3; } 559 ; 560 561 562 static_var_list: 563 static_var_list ',' T_VARIABLE { zend_do_fetch_static_variable(&$3, NULL, ZEND_FETCH_STATIC TSRMLS_CC); } 564 | static_var_list ',' T_VARIABLE '=' static_scalar { zend_do_fetch_static_variable(&$3, &$5, ZEND_FETCH_STATIC TSRMLS_CC); } 565 | T_VARIABLE { zend_do_fetch_static_variable(&$1, NULL, ZEND_FETCH_STATIC TSRMLS_CC); } 566 | T_VARIABLE '=' static_scalar { zend_do_fetch_static_variable(&$1, &$3, ZEND_FETCH_STATIC TSRMLS_CC); } 567 568 ; 569 570 571 class_statement_list: 572 class_statement_list class_statement 573 | /* empty */ 574 ; 575 576 577 class_statement: 578 variable_modifiers { CG(access_type) = Z_LVAL($1.u.constant); } class_variable_declaration ';' 579 | class_constant_declaration ';' 580 | trait_use_statement 581 | method_modifiers function is_reference T_STRING { zend_do_begin_function_declaration(&$2, &$4, 1, $3.op_type, &$1 TSRMLS_CC); } '(' 582 parameter_list ')' method_body { zend_do_abstract_method(&$4, &$1, &$9 TSRMLS_CC); zend_do_end_function_declaration(&$2 TSRMLS_CC); } 583 ; 584 585 trait_use_statement: 586 T_USE trait_list trait_adaptations 587 ; 588 589 trait_list: 590 fully_qualified_class_name { zend_do_use_trait(&$1 TSRMLS_CC); } 591 | trait_list ',' fully_qualified_class_name { zend_do_use_trait(&$3 TSRMLS_CC); } 592 ; 593 594 trait_adaptations: 595 ';' 596 | '{' trait_adaptation_list '}' 597 ; 598 599 trait_adaptation_list: 600 /* empty */ 601 | non_empty_trait_adaptation_list 602 ; 603 604 non_empty_trait_adaptation_list: 605 trait_adaptation_statement 606 | non_empty_trait_adaptation_list trait_adaptation_statement 607 ; 608 609 trait_adaptation_statement: 610 trait_precedence ';' 611 | trait_alias ';' 612 ; 613 614 trait_precedence: 615 trait_method_reference_fully_qualified T_INSTEADOF trait_reference_list { zend_add_trait_precedence(&$1, &$3 TSRMLS_CC); } 616 ; 617 618 trait_reference_list: 619 fully_qualified_class_name { zend_resolve_class_name(&$1, ZEND_FETCH_CLASS_GLOBAL, 1 TSRMLS_CC); zend_init_list(&$$.u.op.ptr, Z_STRVAL($1.u.constant) TSRMLS_CC); } 620 | trait_reference_list ',' fully_qualified_class_name { zend_resolve_class_name(&$3, ZEND_FETCH_CLASS_GLOBAL, 1 TSRMLS_CC); zend_add_to_list(&$1.u.op.ptr, Z_STRVAL($3.u.constant) TSRMLS_CC); $$ = $1; } 621 ; 622 623 trait_method_reference: 624 T_STRING { zend_prepare_reference(&$$, NULL, &$1 TSRMLS_CC); } 625 | trait_method_reference_fully_qualified { $$ = $1; } 626 ; 627 628 trait_method_reference_fully_qualified: 629 fully_qualified_class_name T_PAAMAYIM_NEKUDOTAYIM T_STRING { zend_prepare_reference(&$$, &$1, &$3 TSRMLS_CC); } 630 ; 631 632 trait_alias: 633 trait_method_reference T_AS trait_modifiers T_STRING { zend_add_trait_alias(&$1, &$3, &$4 TSRMLS_CC); } 634 | trait_method_reference T_AS member_modifier { zend_add_trait_alias(&$1, &$3, NULL TSRMLS_CC); } 635 ; 636 637 trait_modifiers: 638 /* empty */ { Z_LVAL($$.u.constant) = 0x0; } /* No change of methods visibility */ 639 | member_modifier { $$ = $1; } /* REM: Keep in mind, there are not only visibility modifiers */ 640 ; 641 642 method_body: 643 ';' /* abstract method */ { Z_LVAL($$.u.constant) = ZEND_ACC_ABSTRACT; } 644 | '{' inner_statement_list '}' { Z_LVAL($$.u.constant) = 0; } 645 ; 646 647 variable_modifiers: 648 non_empty_member_modifiers { $$ = $1; } 649 | T_VAR { Z_LVAL($$.u.constant) = ZEND_ACC_PUBLIC; } 650 ; 651 652 method_modifiers: 653 /* empty */ { Z_LVAL($$.u.constant) = ZEND_ACC_PUBLIC; } 654 | non_empty_member_modifiers { $$ = $1; if (!(Z_LVAL($$.u.constant) & ZEND_ACC_PPP_MASK)) { Z_LVAL($$.u.constant) |= ZEND_ACC_PUBLIC; } } 655 ; 656 657 non_empty_member_modifiers: 658 member_modifier { $$ = $1; } 659 | non_empty_member_modifiers member_modifier { Z_LVAL($$.u.constant) = zend_do_verify_access_types(&$1, &$2); } 660 ; 661 662 member_modifier: 663 T_PUBLIC { Z_LVAL($$.u.constant) = ZEND_ACC_PUBLIC; } 664 | T_PROTECTED { Z_LVAL($$.u.constant) = ZEND_ACC_PROTECTED; } 665 | T_PRIVATE { Z_LVAL($$.u.constant) = ZEND_ACC_PRIVATE; } 666 | T_STATIC { Z_LVAL($$.u.constant) = ZEND_ACC_STATIC; } 667 | T_ABSTRACT { Z_LVAL($$.u.constant) = ZEND_ACC_ABSTRACT; } 668 | T_FINAL { Z_LVAL($$.u.constant) = ZEND_ACC_FINAL; } 669 ; 670 671 class_variable_declaration: 672 class_variable_declaration ',' T_VARIABLE { zend_do_declare_property(&$3, NULL, CG(access_type) TSRMLS_CC); } 673 | class_variable_declaration ',' T_VARIABLE '=' static_scalar { zend_do_declare_property(&$3, &$5, CG(access_type) TSRMLS_CC); } 674 | T_VARIABLE { zend_do_declare_property(&$1, NULL, CG(access_type) TSRMLS_CC); } 675 | T_VARIABLE '=' static_scalar { zend_do_declare_property(&$1, &$3, CG(access_type) TSRMLS_CC); } 676 ; 677 678 class_constant_declaration: 679 class_constant_declaration ',' T_STRING '=' static_scalar { zend_do_declare_class_constant(&$3, &$5 TSRMLS_CC); } 680 | T_CONST T_STRING '=' static_scalar { zend_do_declare_class_constant(&$2, &$4 TSRMLS_CC); } 681 ; 682 683 echo_expr_list: 684 echo_expr_list ',' expr { zend_do_echo(&$3 TSRMLS_CC); } 685 | expr { zend_do_echo(&$1 TSRMLS_CC); } 686 ; 687 688 689 for_expr: 690 /* empty */ { $$.op_type = IS_CONST; Z_TYPE($$.u.constant) = IS_BOOL; Z_LVAL($$.u.constant) = 1; } 691 | non_empty_for_expr { $$ = $1; } 692 ; 693 694 non_empty_for_expr: 695 non_empty_for_expr ',' { zend_do_free(&$1 TSRMLS_CC); } expr { $$ = $4; } 696 | expr { $$ = $1; } 697 ; 698 699 chaining_method_or_property: 700 chaining_method_or_property variable_property { $$.EA = $2.EA; } 701 | variable_property { $$.EA = $1.EA; } 702 ; 703 704 chaining_dereference: 705 chaining_dereference '[' dim_offset ']' { fetch_array_dim(&$$, &$1, &$3 TSRMLS_CC); } 706 | '[' dim_offset ']' { zend_do_pop_object(&$1 TSRMLS_CC); fetch_array_dim(&$$, &$1, &$2 TSRMLS_CC); } 707 ; 708 709 chaining_instance_call: 710 chaining_dereference { zend_do_push_object(&$1 TSRMLS_CC); } chaining_method_or_property { $$ = $3; } 711 | chaining_dereference { zend_do_push_object(&$1 TSRMLS_CC); $$ = $1; } 712 | chaining_method_or_property { $$ = $1; } 713 ; 714 715 instance_call: 716 /* empty */ { $$ = $0; } 717 | { zend_do_push_object(&$0 TSRMLS_CC); zend_do_begin_variable_parse(TSRMLS_C); } 718 chaining_instance_call { zend_do_pop_object(&$$ TSRMLS_CC); zend_do_end_variable_parse(&$2, BP_VAR_R, 0 TSRMLS_CC); } 719 ; 720 721 new_expr: 722 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(&$$, &$1, &$4 TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C);} 723 ; 724 725 expr_without_variable: 726 T_LIST '(' { zend_do_list_init(TSRMLS_C); } assignment_list ')' '=' expr { zend_do_list_end(&$$, &$7 TSRMLS_CC); } 727 | variable '=' expr { zend_check_writable_variable(&$1); zend_do_assign(&$$, &$1, &$3 TSRMLS_CC); } 728 | variable '=' '&' variable { zend_check_writable_variable(&$1); zend_do_end_variable_parse(&$4, BP_VAR_W, 1 TSRMLS_CC); zend_do_end_variable_parse(&$1, BP_VAR_W, 0 TSRMLS_CC); zend_do_assign_ref(&$$, &$1, &$4 TSRMLS_CC); } 729 | 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(&$$, &$1, &$3 TSRMLS_CC); } 730 | T_CLONE expr { zend_do_clone(&$$, &$2 TSRMLS_CC); } 731 | 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, &$$, &$1, &$3 TSRMLS_CC); } 732 | variable T_MINUS_EQUAL expr { zend_check_writable_variable(&$1); zend_do_end_variable_parse(&$1, BP_VAR_RW, 0 TSRMLS_CC); zend_do_binary_assign_op(ZEND_ASSIGN_SUB, &$$, &$1, &$3 TSRMLS_CC); } 733 | 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, &$$, &$1, &$3 TSRMLS_CC); } 734 | variable T_DIV_EQUAL expr { zend_check_writable_variable(&$1); zend_do_end_variable_parse(&$1, BP_VAR_RW, 0 TSRMLS_CC); zend_do_binary_assign_op(ZEND_ASSIGN_DIV, &$$, &$1, &$3 TSRMLS_CC); } 735 | 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, &$$, &$1, &$3 TSRMLS_CC); } 736 | variable T_MOD_EQUAL expr { zend_check_writable_variable(&$1); zend_do_end_variable_parse(&$1, BP_VAR_RW, 0 TSRMLS_CC); zend_do_binary_assign_op(ZEND_ASSIGN_MOD, &$$, &$1, &$3 TSRMLS_CC); } 737 | 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, &$$, &$1, &$3 TSRMLS_CC); } 738 | variable T_OR_EQUAL expr { zend_check_writable_variable(&$1); zend_do_end_variable_parse(&$1, BP_VAR_RW, 0 TSRMLS_CC); zend_do_binary_assign_op(ZEND_ASSIGN_BW_OR, &$$, &$1, &$3 TSRMLS_CC); } 739 | 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, &$$, &$1, &$3 TSRMLS_CC); } 740 | variable T_SL_EQUAL expr { zend_check_writable_variable(&$1); zend_do_end_variable_parse(&$1, BP_VAR_RW, 0 TSRMLS_CC); zend_do_binary_assign_op(ZEND_ASSIGN_SL, &$$, &$1, &$3 TSRMLS_CC); } 741 | 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, &$$, &$1, &$3 TSRMLS_CC); } 742 | rw_variable T_INC { zend_do_post_incdec(&$$, &$1, ZEND_POST_INC TSRMLS_CC); } 743 | T_INC rw_variable { zend_do_pre_incdec(&$$, &$2, ZEND_PRE_INC TSRMLS_CC); } 744 | rw_variable T_DEC { zend_do_post_incdec(&$$, &$1, ZEND_POST_DEC TSRMLS_CC); } 745 | T_DEC rw_variable { zend_do_pre_incdec(&$$, &$2, ZEND_PRE_DEC TSRMLS_CC); } 746 | expr T_BOOLEAN_OR { zend_do_boolean_or_begin(&$1, &$2 TSRMLS_CC); } expr { zend_do_boolean_or_end(&$$, &$1, &$4, &$2 TSRMLS_CC); } 747 | expr T_BOOLEAN_AND { zend_do_boolean_and_begin(&$1, &$2 TSRMLS_CC); } expr { zend_do_boolean_and_end(&$$, &$1, &$4, &$2 TSRMLS_CC); } 748 | expr T_LOGICAL_OR { zend_do_boolean_or_begin(&$1, &$2 TSRMLS_CC); } expr { zend_do_boolean_or_end(&$$, &$1, &$4, &$2 TSRMLS_CC); } 749 | expr T_LOGICAL_AND { zend_do_boolean_and_begin(&$1, &$2 TSRMLS_CC); } expr { zend_do_boolean_and_end(&$$, &$1, &$4, &$2 TSRMLS_CC); } 750 | expr T_LOGICAL_XOR expr { zend_do_binary_op(ZEND_BOOL_XOR, &$$, &$1, &$3 TSRMLS_CC); } 751 | expr '|' expr { zend_do_binary_op(ZEND_BW_OR, &$$, &$1, &$3 TSRMLS_CC); } 752 | expr '&' expr { zend_do_binary_op(ZEND_BW_AND, &$$, &$1, &$3 TSRMLS_CC); } 753 | expr '^' expr { zend_do_binary_op(ZEND_BW_XOR, &$$, &$1, &$3 TSRMLS_CC); } 754 | expr '.' expr { zend_do_binary_op(ZEND_CONCAT, &$$, &$1, &$3 TSRMLS_CC); } 755 | expr '+' expr { zend_do_binary_op(ZEND_ADD, &$$, &$1, &$3 TSRMLS_CC); } 756 | expr '-' expr { zend_do_binary_op(ZEND_SUB, &$$, &$1, &$3 TSRMLS_CC); } 757 | expr '*' expr { zend_do_binary_op(ZEND_MUL, &$$, &$1, &$3 TSRMLS_CC); } 758 | expr '/' expr { zend_do_binary_op(ZEND_DIV, &$$, &$1, &$3 TSRMLS_CC); } 759 | expr '%' expr { zend_do_binary_op(ZEND_MOD, &$$, &$1, &$3 TSRMLS_CC); } 760 | expr T_SL expr { zend_do_binary_op(ZEND_SL, &$$, &$1, &$3 TSRMLS_CC); } 761 | expr T_SR expr { zend_do_binary_op(ZEND_SR, &$$, &$1, &$3 TSRMLS_CC); } 762 | '+' expr %prec T_INC { ZVAL_LONG(&$1.u.constant, 0); if ($2.op_type == IS_CONST) { add_function(&$2.u.constant, &$1.u.constant, &$2.u.constant TSRMLS_CC); $$ = $2; } else { $1.op_type = IS_CONST; INIT_PZVAL(&$1.u.constant); zend_do_binary_op(ZEND_ADD, &$$, &$1, &$2 TSRMLS_CC); } } 763 | '-' expr %prec T_INC { ZVAL_LONG(&$1.u.constant, 0); if ($2.op_type == IS_CONST) { sub_function(&$2.u.constant, &$1.u.constant, &$2.u.constant TSRMLS_CC); $$ = $2; } else { $1.op_type = IS_CONST; INIT_PZVAL(&$1.u.constant); zend_do_binary_op(ZEND_SUB, &$$, &$1, &$2 TSRMLS_CC); } } 764 | '!' expr { zend_do_unary_op(ZEND_BOOL_NOT, &$$, &$2 TSRMLS_CC); } 765 | '~' expr { zend_do_unary_op(ZEND_BW_NOT, &$$, &$2 TSRMLS_CC); } 766 | expr T_IS_IDENTICAL expr { zend_do_binary_op(ZEND_IS_IDENTICAL, &$$, &$1, &$3 TSRMLS_CC); } 767 | expr T_IS_NOT_IDENTICAL expr { zend_do_binary_op(ZEND_IS_NOT_IDENTICAL, &$$, &$1, &$3 TSRMLS_CC); } 768 | expr T_IS_EQUAL expr { zend_do_binary_op(ZEND_IS_EQUAL, &$$, &$1, &$3 TSRMLS_CC); } 769 | expr T_IS_NOT_EQUAL expr { zend_do_binary_op(ZEND_IS_NOT_EQUAL, &$$, &$1, &$3 TSRMLS_CC); } 770 | expr '<' expr { zend_do_binary_op(ZEND_IS_SMALLER, &$$, &$1, &$3 TSRMLS_CC); } 771 | expr T_IS_SMALLER_OR_EQUAL expr { zend_do_binary_op(ZEND_IS_SMALLER_OR_EQUAL, &$$, &$1, &$3 TSRMLS_CC); } 772 | expr '>' expr { zend_do_binary_op(ZEND_IS_SMALLER, &$$, &$3, &$1 TSRMLS_CC); } 773 | expr T_IS_GREATER_OR_EQUAL expr { zend_do_binary_op(ZEND_IS_SMALLER_OR_EQUAL, &$$, &$3, &$1 TSRMLS_CC); } 774 | expr T_INSTANCEOF class_name_reference { zend_do_instanceof(&$$, &$1, &$3, 0 TSRMLS_CC); } 775 | '(' expr ')' { $$ = $2; } 776 | new_expr { $$ = $1; } 777 | '(' new_expr ')' { $$ = $2; } instance_call { $$ = $5; } 778 | expr '?' { zend_do_begin_qm_op(&$1, &$2 TSRMLS_CC); } 779 expr ':' { zend_do_qm_true(&$4, &$2, &$5 TSRMLS_CC); } 780 expr { zend_do_qm_false(&$$, &$7, &$2, &$5 TSRMLS_CC); } 781 | expr '?' ':' { zend_do_jmp_set(&$1, &$2, &$3 TSRMLS_CC); } 782 expr { zend_do_jmp_set_else(&$$, &$5, &$2, &$3 TSRMLS_CC); } 783 | internal_functions_in_yacc { $$ = $1; } 784 | T_INT_CAST expr { zend_do_cast(&$$, &$2, IS_LONG TSRMLS_CC); } 785 | T_DOUBLE_CAST expr { zend_do_cast(&$$, &$2, IS_DOUBLE TSRMLS_CC); } 786 | T_STRING_CAST expr { zend_do_cast(&$$, &$2, IS_STRING TSRMLS_CC); } 787 | T_ARRAY_CAST expr { zend_do_cast(&$$, &$2, IS_ARRAY TSRMLS_CC); } 788 | T_OBJECT_CAST expr { zend_do_cast(&$$, &$2, IS_OBJECT TSRMLS_CC); } 789 | T_BOOL_CAST expr { zend_do_cast(&$$, &$2, IS_BOOL TSRMLS_CC); } 790 | T_UNSET_CAST expr { zend_do_cast(&$$, &$2, IS_NULL TSRMLS_CC); } 791 | T_EXIT exit_expr { zend_do_exit(&$$, &$2 TSRMLS_CC); } 792 | '@' { zend_do_begin_silence(&$1 TSRMLS_CC); } expr { zend_do_end_silence(&$1 TSRMLS_CC); $$ = $3; } 793 | scalar { $$ = $1; } 794 | T_ARRAY '(' array_pair_list ')' { $$ = $3; } 795 | '[' array_pair_list ']' { $$ = $2; } 796 | '`' backticks_expr '`' { zend_do_shell_exec(&$$, &$2 TSRMLS_CC); } 797 | T_PRINT expr { zend_do_print(&$$, &$2 TSRMLS_CC); } 798 | function is_reference '(' { zend_do_begin_lambda_function_declaration(&$$, &$1, $2.op_type, 0 TSRMLS_CC); } 799 parameter_list ')' lexical_vars '{' inner_statement_list '}' { zend_do_end_function_declaration(&$1 TSRMLS_CC); $$ = $4; } 800 | T_STATIC function is_reference '(' { zend_do_begin_lambda_function_declaration(&$$, &$2, $3.op_type, 1 TSRMLS_CC); } 801 parameter_list ')' lexical_vars '{' inner_statement_list '}' { zend_do_end_function_declaration(&$2 TSRMLS_CC); $$ = $5; } 802 ; 803 804 function: 805 T_FUNCTION { $$.u.op.opline_num = CG(zend_lineno); } 806 ; 807 808 lexical_vars: 809 /* empty */ 810 | T_USE '(' lexical_var_list ')' 811 ; 812 813 lexical_var_list: 814 lexical_var_list ',' T_VARIABLE { zend_do_fetch_lexical_variable(&$3, 0 TSRMLS_CC); } 815 | lexical_var_list ',' '&' T_VARIABLE { zend_do_fetch_lexical_variable(&$4, 1 TSRMLS_CC); } 816 | T_VARIABLE { zend_do_fetch_lexical_variable(&$1, 0 TSRMLS_CC); } 817 | '&' T_VARIABLE { zend_do_fetch_lexical_variable(&$2, 1 TSRMLS_CC); } 818 ; 819 820 function_call: 821 namespace_name '(' { $2.u.op.opline_num = zend_do_begin_function_call(&$1, 1 TSRMLS_CC); } 822 function_call_parameter_list 823 ')' { zend_do_end_function_call(&$1, &$$, &$4, 0, $2.u.op.opline_num TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C); } 824 | T_NAMESPACE T_NS_SEPARATOR namespace_name '(' { $1.op_type = IS_CONST; ZVAL_EMPTY_STRING(&$1.u.constant); zend_do_build_namespace_name(&$1, &$1, &$3 TSRMLS_CC); $4.u.op.opline_num = zend_do_begin_function_call(&$1, 0 TSRMLS_CC); } 825 function_call_parameter_list 826 ')' { zend_do_end_function_call(&$1, &$$, &$6, 0, $4.u.op.opline_num TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C); } 827 | T_NS_SEPARATOR namespace_name '(' { $3.u.op.opline_num = zend_do_begin_function_call(&$2, 0 TSRMLS_CC); } 828 function_call_parameter_list 829 ')' { zend_do_end_function_call(&$2, &$$, &$5, 0, $3.u.op.opline_num TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C); } 830 | class_name T_PAAMAYIM_NEKUDOTAYIM variable_name '(' { $4.u.op.opline_num = zend_do_begin_class_member_function_call(&$1, &$3 TSRMLS_CC); } 831 function_call_parameter_list 832 ')' { zend_do_end_function_call($4.u.op.opline_num?NULL:&$3, &$$, &$6, $4.u.op.opline_num, $4.u.op.opline_num TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C);} 833 | 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); } 834 function_call_parameter_list 835 ')' { zend_do_end_function_call(NULL, &$$, &$6, 1, 1 TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C);} 836 | variable_class_name T_PAAMAYIM_NEKUDOTAYIM variable_name '(' { zend_do_begin_class_member_function_call(&$1, &$3 TSRMLS_CC); } 837 function_call_parameter_list 838 ')' { zend_do_end_function_call(NULL, &$$, &$6, 1, 1 TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C);} 839 | 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); } 840 function_call_parameter_list 841 ')' { zend_do_end_function_call(NULL, &$$, &$6, 1, 1 TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C);} 842 | variable_without_objects '(' { zend_do_end_variable_parse(&$1, BP_VAR_R, 0 TSRMLS_CC); zend_do_begin_dynamic_function_call(&$1, 0 TSRMLS_CC); } 843 function_call_parameter_list ')' 844 { zend_do_end_function_call(&$1, &$$, &$4, 0, 1 TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C);} 845 ; 846 847 class_name: 848 T_STATIC { $$.op_type = IS_CONST; ZVAL_STRINGL(&$$.u.constant, "static", sizeof("static")-1, 1);} 849 | namespace_name { $$ = $1; } 850 | T_NAMESPACE T_NS_SEPARATOR namespace_name { $$.op_type = IS_CONST; ZVAL_EMPTY_STRING(&$$.u.constant); zend_do_build_namespace_name(&$$, &$$, &$3 TSRMLS_CC); } 851 | T_NS_SEPARATOR namespace_name { char *tmp = estrndup(Z_STRVAL($2.u.constant), Z_STRLEN($2.u.constant)+1); memcpy(&(tmp[1]), Z_STRVAL($2.u.constant), Z_STRLEN($2.u.constant)+1); tmp[0] = '\\'; efree(Z_STRVAL($2.u.constant)); Z_STRVAL($2.u.constant) = tmp; ++Z_STRLEN($2.u.constant); $$ = $2; } 852 ; 853 854 fully_qualified_class_name: 855 namespace_name { $$ = $1; } 856 | T_NAMESPACE T_NS_SEPARATOR namespace_name { $$.op_type = IS_CONST; ZVAL_EMPTY_STRING(&$$.u.constant); zend_do_build_namespace_name(&$$, &$$, &$3 TSRMLS_CC); } 857 | T_NS_SEPARATOR namespace_name { char *tmp = estrndup(Z_STRVAL($2.u.constant), Z_STRLEN($2.u.constant)+1); memcpy(&(tmp[1]), Z_STRVAL($2.u.constant), Z_STRLEN($2.u.constant)+1); tmp[0] = '\\'; efree(Z_STRVAL($2.u.constant)); Z_STRVAL($2.u.constant) = tmp; ++Z_STRLEN($2.u.constant); $$ = $2; } 858 ; 859 860 861 862 class_name_reference: 863 class_name { zend_do_fetch_class(&$$, &$1 TSRMLS_CC); } 864 | dynamic_class_name_reference { zend_do_end_variable_parse(&$1, BP_VAR_R, 0 TSRMLS_CC); zend_do_fetch_class(&$$, &$1 TSRMLS_CC); } 865 ; 866 867 868 dynamic_class_name_reference: 869 base_variable T_OBJECT_OPERATOR { zend_do_push_object(&$1 TSRMLS_CC); } 870 object_property { zend_do_push_object(&$4 TSRMLS_CC); } dynamic_class_name_variable_properties 871 { zend_do_pop_object(&$$ TSRMLS_CC); $$.EA = ZEND_PARSED_MEMBER; } 872 | base_variable { $$ = $1; } 873 ; 874 875 876 dynamic_class_name_variable_properties: 877 dynamic_class_name_variable_properties dynamic_class_name_variable_property 878 | /* empty */ 879 ; 880 881 882 dynamic_class_name_variable_property: 883 T_OBJECT_OPERATOR object_property { zend_do_push_object(&$2 TSRMLS_CC); } 884 ; 885 886 exit_expr: 887 /* empty */ { memset(&$$, 0, sizeof(znode)); $$.op_type = IS_UNUSED; } 888 | '(' ')' { memset(&$$, 0, sizeof(znode)); $$.op_type = IS_UNUSED; } 889 | '(' expr ')' { $$ = $2; } 890 ; 891 892 backticks_expr: 893 /* empty */ { ZVAL_EMPTY_STRING(&$$.u.constant); INIT_PZVAL(&$$.u.constant); $$.op_type = IS_CONST; } 894 | T_ENCAPSED_AND_WHITESPACE { $$ = $1; } 895 | encaps_list { $$ = $1; } 896 ; 897 898 899 ctor_arguments: 900 /* empty */ { Z_LVAL($$.u.constant)=0; } 901 | '(' function_call_parameter_list ')' { $$ = $2; } 902 ; 903 904 905 common_scalar: 906 T_LNUMBER { $$ = $1; } 907 | T_DNUMBER { $$ = $1; } 908 | T_CONSTANT_ENCAPSED_STRING { $$ = $1; } 909 | T_LINE { $$ = $1; } 910 | T_FILE { $$ = $1; } 911 | T_DIR { $$ = $1; } 912 | T_TRAIT_C { $$ = $1; } 913 | T_METHOD_C { $$ = $1; } 914 | T_FUNC_C { $$ = $1; } 915 | T_NS_C { $$ = $1; } 916 | T_START_HEREDOC T_ENCAPSED_AND_WHITESPACE T_END_HEREDOC { $$ = $2; CG(heredoc) = Z_STRVAL($1.u.constant); CG(heredoc_len) = Z_STRLEN($1.u.constant); } 917 | T_START_HEREDOC T_END_HEREDOC { ZVAL_EMPTY_STRING(&$$.u.constant); INIT_PZVAL(&$$.u.constant); $$.op_type = IS_CONST; CG(heredoc) = Z_STRVAL($1.u.constant); CG(heredoc_len) = Z_STRLEN($1.u.constant); } 918 ; 919 920 921 static_scalar: /* compile-time evaluated scalars */ 922 common_scalar { $$ = $1; } 923 | namespace_name { zend_do_fetch_constant(&$$, NULL, &$1, ZEND_CT, 1 TSRMLS_CC); } 924 | T_NAMESPACE T_NS_SEPARATOR namespace_name { $$.op_type = IS_CONST; ZVAL_EMPTY_STRING(&$$.u.constant); zend_do_build_namespace_name(&$$, &$$, &$3 TSRMLS_CC); $3 = $$; zend_do_fetch_constant(&$$, NULL, &$3, ZEND_CT, 0 TSRMLS_CC); } 925 | T_NS_SEPARATOR namespace_name { char *tmp = estrndup(Z_STRVAL($2.u.constant), Z_STRLEN($2.u.constant)+1); memcpy(&(tmp[1]), Z_STRVAL($2.u.constant), Z_STRLEN($2.u.constant)+1); tmp[0] = '\\'; efree(Z_STRVAL($2.u.constant)); Z_STRVAL($2.u.constant) = tmp; ++Z_STRLEN($2.u.constant); zend_do_fetch_constant(&$$, NULL, &$2, ZEND_CT, 0 TSRMLS_CC); } 926 | '+' static_scalar { ZVAL_LONG(&$1.u.constant, 0); add_function(&$2.u.constant, &$1.u.constant, &$2.u.constant TSRMLS_CC); $$ = $2; } 927 | '-' static_scalar { ZVAL_LONG(&$1.u.constant, 0); sub_function(&$2.u.constant, &$1.u.constant, &$2.u.constant TSRMLS_CC); $$ = $2; } 928 | T_ARRAY '(' static_array_pair_list ')' { $$ = $3; Z_TYPE($$.u.constant) = IS_CONSTANT_ARRAY; } 929 | '[' static_array_pair_list ']' { $$ = $2; Z_TYPE($$.u.constant) = IS_CONSTANT_ARRAY; } 930 | static_class_constant { $$ = $1; } 931 | T_CLASS_C { $$ = $1; } 932 ; 933 934 static_class_constant: 935 class_name T_PAAMAYIM_NEKUDOTAYIM T_STRING { zend_do_fetch_constant(&$$, &$1, &$3, ZEND_CT, 0 TSRMLS_CC); } 936 ; 937 938 scalar: 939 T_STRING_VARNAME { $$ = $1; } 940 | class_constant { $$ = $1; } 941 | namespace_name { zend_do_fetch_constant(&$$, NULL, &$1, ZEND_RT, 1 TSRMLS_CC); } 942 | 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); } 943 | 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(&$$, NULL, &$2, ZEND_RT, 0 TSRMLS_CC); } 944 | common_scalar { $$ = $1; } 945 | '"' encaps_list '"' { $$ = $2; } 946 | T_START_HEREDOC encaps_list T_END_HEREDOC { $$ = $2; CG(heredoc) = Z_STRVAL($1.u.constant); CG(heredoc_len) = Z_STRLEN($1.u.constant); } 947 | T_CLASS_C { if (Z_TYPE($1.u.constant) == IS_CONSTANT) {zend_do_fetch_constant(&$$, NULL, &$1, ZEND_RT, 1 TSRMLS_CC);} else {$$ = $1;} } 948 ; 949 950 951 static_array_pair_list: 952 /* empty */ { $$.op_type = IS_CONST; INIT_PZVAL(&$$.u.constant); array_init(&$$.u.constant); } 953 | non_empty_static_array_pair_list possible_comma { $$ = $1; } 954 ; 955 956 possible_comma: 957 /* empty */ 958 | ',' 959 ; 960 961 non_empty_static_array_pair_list: 962 non_empty_static_array_pair_list ',' static_scalar T_DOUBLE_ARROW static_scalar { zend_do_add_static_array_element(&$$, &$3, &$5); } 963 | non_empty_static_array_pair_list ',' static_scalar { zend_do_add_static_array_element(&$$, NULL, &$3); } 964 | 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); } 965 | static_scalar { $$.op_type = IS_CONST; INIT_PZVAL(&$$.u.constant); array_init(&$$.u.constant); zend_do_add_static_array_element(&$$, NULL, &$1); } 966 ; 967 968 expr: 969 r_variable { $$ = $1; } 970 | expr_without_variable { $$ = $1; } 971 ; 972 973 974 r_variable: 975 variable { zend_do_end_variable_parse(&$1, BP_VAR_R, 0 TSRMLS_CC); $$ = $1; } 976 ; 977 978 979 w_variable: 980 variable { zend_do_end_variable_parse(&$1, BP_VAR_W, 0 TSRMLS_CC); $$ = $1; 981 zend_check_writable_variable(&$1); } 982 ; 983 984 rw_variable: 985 variable { zend_do_end_variable_parse(&$1, BP_VAR_RW, 0 TSRMLS_CC); $$ = $1; 986 zend_check_writable_variable(&$1); } 987 ; 988 989 variable: 990 base_variable_with_function_calls T_OBJECT_OPERATOR { zend_do_push_object(&$1 TSRMLS_CC); } 991 object_property { zend_do_push_object(&$4 TSRMLS_CC); } method_or_not variable_properties 992 { zend_do_pop_object(&$$ TSRMLS_CC); $$.EA = $1.EA | ($7.EA ? $7.EA : $6.EA); } 993 | base_variable_with_function_calls { $$ = $1; } 994 ; 995 996 variable_properties: 997 variable_properties variable_property { $$.EA = $2.EA; } 998 | /* empty */ { $$.EA = 0; } 999 ; 1000 1001 1002 variable_property: 1003 T_OBJECT_OPERATOR object_property { zend_do_push_object(&$2 TSRMLS_CC); } method_or_not { $$.EA = $4.EA; } 1004 ; 1005 1006 array_method_dereference: 1007 array_method_dereference '[' dim_offset ']' { fetch_array_dim(&$$, &$1, &$3 TSRMLS_CC); } 1008 | method '[' dim_offset ']' { $1.EA = ZEND_PARSED_METHOD_CALL; fetch_array_dim(&$$, &$1, &$3 TSRMLS_CC); } 1009 ; 1010 1011 method: 1012 '(' { zend_do_pop_object(&$1 TSRMLS_CC); zend_do_begin_method_call(&$1 TSRMLS_CC); } 1013 function_call_parameter_list ')' 1014 { zend_do_end_function_call(&$1, &$$, &$3, 1, 1 TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C); } 1015 ; 1016 1017 method_or_not: 1018 method { $$ = $1; $$.EA = ZEND_PARSED_METHOD_CALL; zend_do_push_object(&$$ TSRMLS_CC); } 1019 | array_method_dereference { $$ = $1; zend_do_push_object(&$$ TSRMLS_CC); } 1020 | /* empty */ { $$.EA = ZEND_PARSED_MEMBER; } 1021 ; 1022 1023 variable_without_objects: 1024 reference_variable { $$ = $1; } 1025 | simple_indirect_reference reference_variable { zend_do_indirect_references(&$$, &$1, &$2 TSRMLS_CC); } 1026 ; 1027 1028 static_member: 1029 class_name T_PAAMAYIM_NEKUDOTAYIM variable_without_objects { $$ = $3; zend_do_fetch_static_member(&$$, &$1 TSRMLS_CC); } 1030 | variable_class_name T_PAAMAYIM_NEKUDOTAYIM variable_without_objects { $$ = $3; zend_do_fetch_static_member(&$$, &$1 TSRMLS_CC); } 1031 1032 ; 1033 1034 variable_class_name: 1035 reference_variable { zend_do_end_variable_parse(&$1, BP_VAR_R, 0 TSRMLS_CC); $$=$1;; } 1036 ; 1037 1038 array_function_dereference: 1039 array_function_dereference '[' dim_offset ']' { fetch_array_dim(&$$, &$1, &$3 TSRMLS_CC); } 1040 | function_call { zend_do_begin_variable_parse(TSRMLS_C); $1.EA = ZEND_PARSED_FUNCTION_CALL; } 1041 '[' dim_offset ']' { fetch_array_dim(&$$, &$1, &$4 TSRMLS_CC); } 1042 ; 1043 1044 base_variable_with_function_calls: 1045 base_variable { $$ = $1; } 1046 | array_function_dereference { $$ = $1; } 1047 | function_call { zend_do_begin_variable_parse(TSRMLS_C); $$ = $1; $$.EA = ZEND_PARSED_FUNCTION_CALL; } 1048 ; 1049 1050 1051 base_variable: 1052 reference_variable { $$ = $1; $$.EA = ZEND_PARSED_VARIABLE; } 1053 | simple_indirect_reference reference_variable { zend_do_indirect_references(&$$, &$1, &$2 TSRMLS_CC); $$.EA = ZEND_PARSED_VARIABLE; } 1054 | static_member { $$ = $1; $$.EA = ZEND_PARSED_STATIC_MEMBER; } 1055 ; 1056 1057 reference_variable: 1058 reference_variable '[' dim_offset ']' { fetch_array_dim(&$$, &$1, &$3 TSRMLS_CC); } 1059 | reference_variable '{' expr '}' { fetch_string_offset(&$$, &$1, &$3 TSRMLS_CC); } 1060 | compound_variable { zend_do_begin_variable_parse(TSRMLS_C); fetch_simple_variable(&$$, &$1, 1 TSRMLS_CC); } 1061 ; 1062 1063 1064 compound_variable: 1065 T_VARIABLE { $$ = $1; } 1066 | '$' '{' expr '}' { $$ = $3; } 1067 ; 1068 1069 dim_offset: 1070 /* empty */ { $$.op_type = IS_UNUSED; } 1071 | expr { $$ = $1; } 1072 ; 1073 1074 1075 object_property: 1076 object_dim_list { $$ = $1; } 1077 | variable_without_objects { zend_do_end_variable_parse(&$1, BP_VAR_R, 0 TSRMLS_CC); } { znode tmp_znode; zend_do_pop_object(&tmp_znode TSRMLS_CC); zend_do_fetch_property(&$$, &tmp_znode, &$1 TSRMLS_CC);} 1078 ; 1079 1080 object_dim_list: 1081 object_dim_list '[' dim_offset ']' { fetch_array_dim(&$$, &$1, &$3 TSRMLS_CC); } 1082 | object_dim_list '{' expr '}' { fetch_string_offset(&$$, &$1, &$3 TSRMLS_CC); } 1083 | variable_name { znode tmp_znode; zend_do_pop_object(&tmp_znode TSRMLS_CC); zend_do_fetch_property(&$$, &tmp_znode, &$1 TSRMLS_CC);} 1084 ; 1085 1086 variable_name: 1087 T_STRING { $$ = $1; } 1088 | '{' expr '}' { $$ = $2; } 1089 ; 1090 1091 simple_indirect_reference: 1092 '$' { Z_LVAL($$.u.constant) = 1; } 1093 | simple_indirect_reference '$' { Z_LVAL($$.u.constant)++; } 1094 ; 1095 1096 assignment_list: 1097 assignment_list ',' assignment_list_element 1098 | assignment_list_element 1099 ; 1100 1101 1102 assignment_list_element: 1103 variable { zend_do_add_list_element(&$1 TSRMLS_CC); } 1104 | T_LIST '(' { zend_do_new_list_begin(TSRMLS_C); } assignment_list ')' { zend_do_new_list_end(TSRMLS_C); } 1105 | /* empty */ { zend_do_add_list_element(NULL TSRMLS_CC); } 1106 ; 1107 1108 1109 array_pair_list: 1110 /* empty */ { zend_do_init_array(&$$, NULL, NULL, 0 TSRMLS_CC); } 1111 | non_empty_array_pair_list possible_comma { $$ = $1; } 1112 ; 1113 1114 non_empty_array_pair_list: 1115 non_empty_array_pair_list ',' expr T_DOUBLE_ARROW expr { zend_do_add_array_element(&$$, &$5, &$3, 0 TSRMLS_CC); } 1116 | non_empty_array_pair_list ',' expr { zend_do_add_array_element(&$$, &$3, NULL, 0 TSRMLS_CC); } 1117 | expr T_DOUBLE_ARROW expr { zend_do_init_array(&$$, &$3, &$1, 0 TSRMLS_CC); } 1118 | expr { zend_do_init_array(&$$, &$1, NULL, 0 TSRMLS_CC); } 1119 | non_empty_array_pair_list ',' expr T_DOUBLE_ARROW '&' w_variable { zend_do_add_array_element(&$$, &$6, &$3, 1 TSRMLS_CC); } 1120 | non_empty_array_pair_list ',' '&' w_variable { zend_do_add_array_element(&$$, &$4, NULL, 1 TSRMLS_CC); } 1121 | expr T_DOUBLE_ARROW '&' w_variable { zend_do_init_array(&$$, &$4, &$1, 1 TSRMLS_CC); } 1122 | '&' w_variable { zend_do_init_array(&$$, &$2, NULL, 1 TSRMLS_CC); } 1123 ; 1124 1125 encaps_list: 1126 encaps_list encaps_var { zend_do_end_variable_parse(&$2, BP_VAR_R, 0 TSRMLS_CC); zend_do_add_variable(&$$, &$1, &$2 TSRMLS_CC); } 1127 | encaps_list T_ENCAPSED_AND_WHITESPACE { zend_do_add_string(&$$, &$1, &$2 TSRMLS_CC); } 1128 | encaps_var { zend_do_end_variable_parse(&$1, BP_VAR_R, 0 TSRMLS_CC); zend_do_add_variable(&$$, NULL, &$1 TSRMLS_CC); } 1129 | T_ENCAPSED_AND_WHITESPACE encaps_var { zend_do_add_string(&$$, NULL, &$1 TSRMLS_CC); zend_do_end_variable_parse(&$2, BP_VAR_R, 0 TSRMLS_CC); zend_do_add_variable(&$$, &$$, &$2 TSRMLS_CC); } 1130 ; 1131 1132 1133 1134 encaps_var: 1135 T_VARIABLE { zend_do_begin_variable_parse(TSRMLS_C); fetch_simple_variable(&$$, &$1, 1 TSRMLS_CC); } 1136 | T_VARIABLE '[' { zend_do_begin_variable_parse(TSRMLS_C); } encaps_var_offset ']' { fetch_array_begin(&$$, &$1, &$4 TSRMLS_CC); } 1137 | T_VARIABLE T_OBJECT_OPERATOR T_STRING { zend_do_begin_variable_parse(TSRMLS_C); fetch_simple_variable(&$2, &$1, 1 TSRMLS_CC); zend_do_fetch_property(&$$, &$2, &$3 TSRMLS_CC); } 1138 | T_DOLLAR_OPEN_CURLY_BRACES expr '}' { zend_do_begin_variable_parse(TSRMLS_C); fetch_simple_variable(&$$, &$2, 1 TSRMLS_CC); } 1139 | T_DOLLAR_OPEN_CURLY_BRACES T_STRING_VARNAME '[' expr ']' '}' { zend_do_begin_variable_parse(TSRMLS_C); fetch_array_begin(&$$, &$2, &$4 TSRMLS_CC); } 1140 | T_CURLY_OPEN variable '}' { $$ = $2; } 1141 ; 1142 1143 1144 encaps_var_offset: 1145 T_STRING { $$ = $1; } 1146 | T_NUM_STRING { $$ = $1; } 1147 | T_VARIABLE { fetch_simple_variable(&$$, &$1, 1 TSRMLS_CC); } 1148 ; 1149 1150 1151 internal_functions_in_yacc: 1152 T_ISSET '(' isset_variables ')' { $$ = $3; } 1153 | T_EMPTY '(' variable ')' { zend_do_isset_or_isempty(ZEND_ISEMPTY, &$$, &$3 TSRMLS_CC); } 1154 | T_INCLUDE expr { zend_do_include_or_eval(ZEND_INCLUDE, &$$, &$2 TSRMLS_CC); } 1155 | T_INCLUDE_ONCE expr { zend_do_include_or_eval(ZEND_INCLUDE_ONCE, &$$, &$2 TSRMLS_CC); } 1156 | T_EVAL '(' expr ')' { zend_do_include_or_eval(ZEND_EVAL, &$$, &$3 TSRMLS_CC); } 1157 | T_REQUIRE expr { zend_do_include_or_eval(ZEND_REQUIRE, &$$, &$2 TSRMLS_CC); } 1158 | T_REQUIRE_ONCE expr { zend_do_include_or_eval(ZEND_REQUIRE_ONCE, &$$, &$2 TSRMLS_CC); } 1159 ; 1160 1161 isset_variables: 1162 variable { zend_do_isset_or_isempty(ZEND_ISSET, &$$, &$1 TSRMLS_CC); } 1163 | 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(&$$, &$1, &tmp, &$2 TSRMLS_CC); } 1164 ; 1165 1166 class_constant: 1167 class_name T_PAAMAYIM_NEKUDOTAYIM T_STRING { zend_do_fetch_constant(&$$, &$1, &$3, ZEND_RT, 0 TSRMLS_CC); } 1168 | variable_class_name T_PAAMAYIM_NEKUDOTAYIM T_STRING { zend_do_fetch_constant(&$$, &$1, &$3, ZEND_RT, 0 TSRMLS_CC); } 1169 ; 1170 1171 %% 1172 1173 /* Copy to YYRES the contents of YYSTR after stripping away unnecessary 1174 quotes and backslashes, so that it's suitable for yyerror. The 1175 heuristic is that double-quoting is unnecessary unless the string 1176 contains an apostrophe, a comma, or backslash (other than 1177 backslash-backslash). YYSTR is taken from yytname. If YYRES is 1178 null, do not copy; instead, return the length of what the result 1179 would have been. */ 1180 static YYSIZE_T zend_yytnamerr(char *yyres, const char *yystr) 1181 { 1182 if (!yyres) { 1183 return yystrlen(yystr); 1184 } 1185 { 1186 TSRMLS_FETCH(); 1187 if (CG(parse_error) == 0) { 1188 char buffer[120]; 1189 const unsigned char *end, *str, *tok1 = NULL, *tok2 = NULL; 1190 unsigned int len = 0, toklen = 0, yystr_len; 1191 1192 CG(parse_error) = 1; 1193 1194 if (LANG_SCNG(yy_text)[0] == 0 && 1195 LANG_SCNG(yy_leng) == 1 && 1196 memcmp(yystr, "\"end of file\"", sizeof("\"end of file\"") - 1) == 0) { 1197 yystpcpy(yyres, "end of file"); 1198 return sizeof("end of file")-1; 1199 } 1200 1201 str = LANG_SCNG(yy_text); 1202 end = memchr(str, '\n', LANG_SCNG(yy_leng)); 1203 yystr_len = yystrlen(yystr); 1204 1205 if ((tok1 = memchr(yystr, '(', yystr_len)) != NULL 1206 && (tok2 = zend_memrchr(yystr, ')', yystr_len)) != NULL) { 1207 toklen = (tok2 - tok1) + 1; 1208 } else { 1209 tok1 = tok2 = NULL; 1210 toklen = 0; 1211 } 1212 1213 if (end == NULL) { 1214 len = LANG_SCNG(yy_leng) > 30 ? 30 : LANG_SCNG(yy_leng); 1215 } else { 1216 len = (end - str) > 30 ? 30 : (end - str); 1217 } 1218 if (toklen) { 1219 snprintf(buffer, sizeof(buffer), "'%.*s' %.*s", len, str, toklen, tok1); 1220 } else { 1221 snprintf(buffer, sizeof(buffer), "'%.*s'", len, str); 1222 } 1223 yystpcpy(yyres, buffer); 1224 return len + (toklen ? toklen + 1 : 0) + 2; 1225 } 1226 } 1227 if (*yystr == '"') { 1228 YYSIZE_T yyn = 0; 1229 const char *yyp = yystr; 1230 1231 for (; *++yyp != '"'; ++yyn) { 1232 yyres[yyn] = *yyp; 1233 } 1234 yyres[yyn] = '\0'; 1235 return yyn; 1236 } 1237 yystpcpy(yyres, yystr); 1238 return strlen(yystr); 1239 } 1240 1241 /* 1242 * Local variables: 1243 * tab-width: 4 1244 * c-basic-offset: 4 1245 * indent-tabs-mode: t 1246 * End: 1247 */ 1248
