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 39 #define YYERROR_VERBOSE 40 #define YYSTYPE znode 41 #ifdef ZTS 42 # define YYPARSE_PARAM tsrm_ls 43 # define YYLEX_PARAM tsrm_ls 44 #endif 45 46 47 %} 48 49 %pure_parser 50 %expect 2 51 52 %left T_INCLUDE T_INCLUDE_ONCE T_EVAL T_REQUIRE T_REQUIRE_ONCE 53 %left ',' 54 %left T_LOGICAL_OR 55 %left T_LOGICAL_XOR 56 %left T_LOGICAL_AND 57 %right T_PRINT 58 %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 59 %left '?' ':' 60 %left T_BOOLEAN_OR 61 %left T_BOOLEAN_AND 62 %left '|' 63 %left '^' 64 %left '&' 65 %nonassoc T_IS_EQUAL T_IS_NOT_EQUAL T_IS_IDENTICAL T_IS_NOT_IDENTICAL 66 %nonassoc '<' T_IS_SMALLER_OR_EQUAL '>' T_IS_GREATER_OR_EQUAL 67 %left T_SL T_SR 68 %left '+' '-' '.' 69 %left '*' '/' '%' 70 %right '!' 71 %nonassoc T_INSTANCEOF 72 %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 '@' 73 %right '[' 74 %nonassoc T_NEW T_CLONE 75 %token T_EXIT 76 %token T_IF 77 %left T_ELSEIF 78 %left T_ELSE 79 %left T_ENDIF 80 %token T_LNUMBER 81 %token T_DNUMBER 82 %token T_STRING 83 %token T_STRING_VARNAME 84 %token T_VARIABLE 85 %token T_NUM_STRING 86 %token T_INLINE_HTML 87 %token T_CHARACTER 88 %token T_BAD_CHARACTER 89 %token T_ENCAPSED_AND_WHITESPACE 90 %token T_CONSTANT_ENCAPSED_STRING 91 %token T_ECHO 92 %token T_DO 93 %token T_WHILE 94 %token T_ENDWHILE 95 %token T_FOR 96 %token T_ENDFOR 97 %token T_FOREACH 98 %token T_ENDFOREACH 99 %token T_DECLARE 100 %token T_ENDDECLARE 101 %token T_AS 102 %token T_SWITCH 103 %token T_ENDSWITCH 104 %token T_CASE 105 %token T_DEFAULT 106 %token T_BREAK 107 %token T_CONTINUE 108 %token T_GOTO 109 %token T_FUNCTION 110 %token T_CONST 111 %token T_RETURN 112 %token T_TRY 113 %token T_CATCH 114 %token T_THROW 115 %token T_USE 116 %token T_GLOBAL 117 %right T_STATIC T_ABSTRACT T_FINAL T_PRIVATE T_PROTECTED T_PUBLIC 118 %token T_VAR 119 %token T_UNSET 120 %token T_ISSET 121 %token T_EMPTY 122 %token T_HALT_COMPILER 123 %token T_CLASS 124 %token T_INTERFACE 125 %token T_EXTENDS 126 %token T_IMPLEMENTS 127 %token T_OBJECT_OPERATOR 128 %token T_DOUBLE_ARROW 129 %token T_LIST 130 %token T_ARRAY 131 %token T_CLASS_C 132 %token T_METHOD_C 133 %token T_FUNC_C 134 %token T_LINE 135 %token T_FILE 136 %token T_COMMENT 137 %token T_DOC_COMMENT 138 %token T_OPEN_TAG 139 %token T_OPEN_TAG_WITH_ECHO 140 %token T_CLOSE_TAG 141 %token T_WHITESPACE 142 %token T_START_HEREDOC 143 %token T_END_HEREDOC 144 %token T_DOLLAR_OPEN_CURLY_BRACES 145 %token T_CURLY_OPEN 146 %token T_PAAMAYIM_NEKUDOTAYIM 147 %token T_NAMESPACE 148 %token T_NS_C 149 %token T_DIR 150 %token T_NS_SEPARATOR 151 152 %% /* Rules */ 153 154 start: 155 top_statement_list { zend_do_end_compilation(TSRMLS_C); } 156 ; 157 158 top_statement_list: 159 top_statement_list { zend_do_extended_info(TSRMLS_C); } top_statement { HANDLE_INTERACTIVE(); } 160 | /* empty */ 161 ; 162 163 namespace_name: 164 T_STRING { $$ = $1; } 165 | namespace_name T_NS_SEPARATOR T_STRING { zend_do_build_namespace_name(&$$, &$1, &$3 TSRMLS_CC); } 166 ; 167 168 top_statement: 169 statement { zend_verify_namespace(TSRMLS_C); } 170 | function_declaration_statement { zend_verify_namespace(TSRMLS_C); zend_do_early_binding(TSRMLS_C); } 171 | class_declaration_statement { zend_verify_namespace(TSRMLS_C); zend_do_early_binding(TSRMLS_C); } 172 | T_HALT_COMPILER '(' ')' ';' { zend_do_halt_compiler_register(TSRMLS_C); YYACCEPT; } 173 | T_NAMESPACE namespace_name ';' { zend_do_begin_namespace(&$2, 0 TSRMLS_CC); } 174 | T_NAMESPACE namespace_name '{' { zend_do_begin_namespace(&$2, 1 TSRMLS_CC); } 175 top_statement_list '}' { zend_do_end_namespace(TSRMLS_C); } 176 | T_NAMESPACE '{' { zend_do_begin_namespace(NULL, 1 TSRMLS_CC); } 177 top_statement_list '}' { zend_do_end_namespace(TSRMLS_C); } 178 | T_USE use_declarations ';' { zend_verify_namespace(TSRMLS_C); } 179 | constant_declaration ';' { zend_verify_namespace(TSRMLS_C); } 180 ; 181 182 use_declarations: 183 use_declarations ',' use_declaration 184 | use_declaration 185 ; 186 187 use_declaration: 188 namespace_name { zend_do_use(&$1, NULL, 0 TSRMLS_CC); } 189 | namespace_name T_AS T_STRING { zend_do_use(&$1, &$3, 0 TSRMLS_CC); } 190 | T_NS_SEPARATOR namespace_name { zend_do_use(&$2, NULL, 1 TSRMLS_CC); } 191 | T_NS_SEPARATOR namespace_name T_AS T_STRING { zend_do_use(&$2, &$4, 1 TSRMLS_CC); } 192 ; 193 194 constant_declaration: 195 constant_declaration ',' T_STRING '=' static_scalar { zend_do_declare_constant(&$3, &$5 TSRMLS_CC); } 196 | T_CONST T_STRING '=' static_scalar { zend_do_declare_constant(&$2, &$4 TSRMLS_CC); } 197 ; 198 199 inner_statement_list: 200 inner_statement_list { zend_do_extended_info(TSRMLS_C); } inner_statement { HANDLE_INTERACTIVE(); } 201 | /* empty */ 202 ; 203 204 205 inner_statement: 206 statement 207 | function_declaration_statement 208 | class_declaration_statement 209 | T_HALT_COMPILER '(' ')' ';' { zend_error(E_COMPILE_ERROR, "__HALT_COMPILER() can only be used from the outermost scope"); } 210 ; 211 212 213 statement: 214 unticked_statement { DO_TICKS(); } 215 | T_STRING ':' { zend_do_label(&$1 TSRMLS_CC); } 216 ; 217 218 unticked_statement: 219 '{' inner_statement_list '}' 220 | 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); } 221 | 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); } 222 | T_WHILE '(' { $1.u.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); } 223 | T_DO { $1.u.opline_num = get_next_op_number(CG(active_op_array)); zend_do_do_while_begin(TSRMLS_C); } statement T_WHILE '(' { $5.u.opline_num = get_next_op_number(CG(active_op_array)); } expr ')' ';' { zend_do_do_while_end(&$1, &$5, &$7 TSRMLS_CC); } 224 | T_FOR 225 '(' 226 for_expr 227 ';' { zend_do_free(&$3 TSRMLS_CC); $4.u.opline_num = get_next_op_number(CG(active_op_array)); } 228 for_expr 229 ';' { zend_do_extended_info(TSRMLS_C); zend_do_for_cond(&$6, &$7 TSRMLS_CC); } 230 for_expr 231 ')' { zend_do_free(&$9 TSRMLS_CC); zend_do_for_before_statement(&$4, &$7 TSRMLS_CC); } 232 for_statement { zend_do_for_end(&$7 TSRMLS_CC); } 233 | T_SWITCH '(' expr ')' { zend_do_switch_cond(&$3 TSRMLS_CC); } switch_case_list { zend_do_switch_end(&$6 TSRMLS_CC); } 234 | T_BREAK ';' { zend_do_brk_cont(ZEND_BRK, NULL TSRMLS_CC); } 235 | T_BREAK expr ';' { zend_do_brk_cont(ZEND_BRK, &$2 TSRMLS_CC); } 236 | T_CONTINUE ';' { zend_do_brk_cont(ZEND_CONT, NULL TSRMLS_CC); } 237 | T_CONTINUE expr ';' { zend_do_brk_cont(ZEND_CONT, &$2 TSRMLS_CC); } 238 | T_RETURN ';' { zend_do_return(NULL, 0 TSRMLS_CC); } 239 | T_RETURN expr_without_variable ';' { zend_do_return(&$2, 0 TSRMLS_CC); } 240 | T_RETURN variable ';' { zend_do_return(&$2, 1 TSRMLS_CC); } 241 | T_GLOBAL global_var_list ';' 242 | T_STATIC static_var_list ';' 243 | T_ECHO echo_expr_list ';' 244 | T_INLINE_HTML { zend_do_echo(&$1 TSRMLS_CC); } 245 | expr ';' { zend_do_free(&$1 TSRMLS_CC); } 246 | T_UNSET '(' unset_variables ')' ';' 247 | T_FOREACH '(' variable T_AS 248 { zend_do_foreach_begin(&$1, &$2, &$3, &$4, 1 TSRMLS_CC); } 249 foreach_variable foreach_optional_arg ')' { zend_do_foreach_cont(&$1, &$2, &$4, &$6, &$7 TSRMLS_CC); } 250 foreach_statement { zend_do_foreach_end(&$1, &$4 TSRMLS_CC); } 251 | T_FOREACH '(' expr_without_variable T_AS 252 { zend_do_foreach_begin(&$1, &$2, &$3, &$4, 0 TSRMLS_CC); } 253 variable foreach_optional_arg ')' { zend_check_writable_variable(&$6); zend_do_foreach_cont(&$1, &$2, &$4, &$6, &$7 TSRMLS_CC); } 254 foreach_statement { zend_do_foreach_end(&$1, &$4 TSRMLS_CC); } 255 | T_DECLARE { $1.u.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); } 256 | ';' /* empty statement */ 257 | T_TRY { zend_do_try(&$1 TSRMLS_CC); } '{' inner_statement_list '}' 258 T_CATCH '(' { zend_initialize_try_catch_element(&$1 TSRMLS_CC); } 259 fully_qualified_class_name { zend_do_first_catch(&$7 TSRMLS_CC); } 260 T_VARIABLE ')' { zend_do_begin_catch(&$1, &$9, &$11, &$7 TSRMLS_CC); } 261 '{' inner_statement_list '}' { zend_do_end_catch(&$1 TSRMLS_CC); } 262 additional_catches { zend_do_mark_last_catch(&$7, &$18 TSRMLS_CC); } 263 | T_THROW expr ';' { zend_do_throw(&$2 TSRMLS_CC); } 264 | T_GOTO T_STRING ';' { zend_do_goto(&$2 TSRMLS_CC); } 265 ; 266 267 268 additional_catches: 269 non_empty_additional_catches { $$ = $1; } 270 | /* empty */ { $$.u.opline_num = -1; } 271 ; 272 273 non_empty_additional_catches: 274 additional_catch { $$ = $1; } 275 | non_empty_additional_catches additional_catch { $$ = $2; } 276 ; 277 278 279 additional_catch: 280 T_CATCH '(' fully_qualified_class_name { $$.u.opline_num = get_next_op_number(CG(active_op_array)); } T_VARIABLE ')' { zend_do_begin_catch(&$1, &$3, &$5, NULL TSRMLS_CC); } '{' inner_statement_list '}' { zend_do_end_catch(&$1 TSRMLS_CC); } 281 ; 282 283 284 unset_variables: 285 unset_variable 286 | unset_variables ',' unset_variable 287 ; 288 289 unset_variable: 290 variable { zend_do_end_variable_parse(&$1, BP_VAR_UNSET, 0 TSRMLS_CC); zend_do_unset(&$1 TSRMLS_CC); } 291 ; 292 293 function_declaration_statement: 294 unticked_function_declaration_statement { DO_TICKS(); } 295 ; 296 297 class_declaration_statement: 298 unticked_class_declaration_statement { DO_TICKS(); } 299 ; 300 301 302 is_reference: 303 /* empty */ { $$.op_type = ZEND_RETURN_VAL; } 304 | '&' { $$.op_type = ZEND_RETURN_REF; } 305 ; 306 307 308 unticked_function_declaration_statement: 309 function is_reference T_STRING { zend_do_begin_function_declaration(&$1, &$3, 0, $2.op_type, NULL TSRMLS_CC); } 310 '(' parameter_list ')' '{' inner_statement_list '}' { zend_do_end_function_declaration(&$1 TSRMLS_CC); } 311 ; 312 313 unticked_class_declaration_statement: 314 class_entry_type T_STRING extends_from 315 { zend_do_begin_class_declaration(&$1, &$2, &$3 TSRMLS_CC); } 316 implements_list 317 '{' 318 class_statement_list 319 '}' { zend_do_end_class_declaration(&$1, &$3 TSRMLS_CC); } 320 | interface_entry T_STRING 321 { zend_do_begin_class_declaration(&$1, &$2, NULL TSRMLS_CC); } 322 interface_extends_list 323 '{' 324 class_statement_list 325 '}' { zend_do_end_class_declaration(&$1, NULL TSRMLS_CC); } 326 ; 327 328 329 class_entry_type: 330 T_CLASS { $$.u.opline_num = CG(zend_lineno); $$.u.EA.type = 0; } 331 | T_ABSTRACT T_CLASS { $$.u.opline_num = CG(zend_lineno); $$.u.EA.type = ZEND_ACC_EXPLICIT_ABSTRACT_CLASS; } 332 | T_FINAL T_CLASS { $$.u.opline_num = CG(zend_lineno); $$.u.EA.type = ZEND_ACC_FINAL_CLASS; } 333 ; 334 335 extends_from: 336 /* empty */ { $$.op_type = IS_UNUSED; } 337 | T_EXTENDS fully_qualified_class_name { zend_do_fetch_class(&$$, &$2 TSRMLS_CC); } 338 ; 339 340 interface_entry: 341 T_INTERFACE { $$.u.opline_num = CG(zend_lineno); $$.u.EA.type = ZEND_ACC_INTERFACE; } 342 ; 343 344 interface_extends_list: 345 /* empty */ 346 | T_EXTENDS interface_list 347 ; 348 349 implements_list: 350 /* empty */ 351 | T_IMPLEMENTS interface_list 352 ; 353 354 interface_list: 355 fully_qualified_class_name { zend_do_implements_interface(&$1 TSRMLS_CC); } 356 | interface_list ',' fully_qualified_class_name { zend_do_implements_interface(&$3 TSRMLS_CC); } 357 ; 358 359 foreach_optional_arg: 360 /* empty */ { $$.op_type = IS_UNUSED; } 361 | T_DOUBLE_ARROW foreach_variable { $$ = $2; } 362 ; 363 364 365 foreach_variable: 366 variable { zend_check_writable_variable(&$1); $$ = $1; } 367 | '&' variable { zend_check_writable_variable(&$2); $$ = $2; $$.u.EA.type |= ZEND_PARSED_REFERENCE_VARIABLE; } 368 ; 369 370 for_statement: 371 statement 372 | ':' inner_statement_list T_ENDFOR ';' 373 ; 374 375 376 foreach_statement: 377 statement 378 | ':' inner_statement_list T_ENDFOREACH ';' 379 ; 380 381 382 declare_statement: 383 statement 384 | ':' inner_statement_list T_ENDDECLARE ';' 385 ; 386 387 388 declare_list: 389 T_STRING '=' static_scalar { zend_do_declare_stmt(&$1, &$3 TSRMLS_CC); } 390 | declare_list ',' T_STRING '=' static_scalar { zend_do_declare_stmt(&$3, &$5 TSRMLS_CC); } 391 ; 392 393 394 switch_case_list: 395 '{' case_list '}' { $$ = $2; } 396 | '{' ';' case_list '}' { $$ = $3; } 397 | ':' case_list T_ENDSWITCH ';' { $$ = $2; } 398 | ':' ';' case_list T_ENDSWITCH ';' { $$ = $3; } 399 ; 400 401 402 case_list: 403 /* empty */ { $$.op_type = IS_UNUSED; } 404 | case_list T_CASE expr case_separator { zend_do_extended_info(TSRMLS_C); zend_do_case_before_statement(&$1, &$2, &$3 TSRMLS_CC); } inner_statement_list { zend_do_case_after_statement(&$$, &$2 TSRMLS_CC); $$.op_type = IS_CONST; } 405 | case_list T_DEFAULT case_separator { zend_do_extended_info(TSRMLS_C); zend_do_default_before_statement(&$1, &$2 TSRMLS_CC); } inner_statement_list { zend_do_case_after_statement(&$$, &$2 TSRMLS_CC); $$.op_type = IS_CONST; } 406 ; 407 408 409 case_separator: 410 ':' 411 | ';' 412 ; 413 414 415 while_statement: 416 statement 417 | ':' inner_statement_list T_ENDWHILE ';' 418 ; 419 420 421 422 elseif_list: 423 /* empty */ 424 | elseif_list T_ELSEIF '(' expr ')' { zend_do_if_cond(&$4, &$5 TSRMLS_CC); } statement { zend_do_if_after_statement(&$5, 0 TSRMLS_CC); } 425 ; 426 427 428 new_elseif_list: 429 /* empty */ 430 | new_elseif_list T_ELSEIF '(' expr ')' ':' { zend_do_if_cond(&$4, &$5 TSRMLS_CC); } inner_statement_list { zend_do_if_after_statement(&$5, 0 TSRMLS_CC); } 431 ; 432 433 434 else_single: 435 /* empty */ 436 | T_ELSE statement 437 ; 438 439 440 new_else_single: 441 /* empty */ 442 | T_ELSE ':' inner_statement_list 443 ; 444 445 446 parameter_list: 447 non_empty_parameter_list 448 | /* empty */ 449 ; 450 451 452 non_empty_parameter_list: 453 optional_class_type T_VARIABLE { znode tmp; fetch_simple_variable(&tmp, &$2, 0 TSRMLS_CC); $$.op_type = IS_CONST; Z_LVAL($$.u.constant)=1; Z_TYPE($$.u.constant)=IS_LONG; INIT_PZVAL(&$$.u.constant); zend_do_receive_arg(ZEND_RECV, &tmp, &$$, NULL, &$1, &$2, 0 TSRMLS_CC); } 454 | optional_class_type '&' T_VARIABLE { znode tmp; fetch_simple_variable(&tmp, &$3, 0 TSRMLS_CC); $$.op_type = IS_CONST; Z_LVAL($$.u.constant)=1; Z_TYPE($$.u.constant)=IS_LONG; INIT_PZVAL(&$$.u.constant); zend_do_receive_arg(ZEND_RECV, &tmp, &$$, NULL, &$1, &$3, 1 TSRMLS_CC); } 455 | optional_class_type '&' T_VARIABLE '=' static_scalar { znode tmp; fetch_simple_variable(&tmp, &$3, 0 TSRMLS_CC); $$.op_type = IS_CONST; Z_LVAL($$.u.constant)=1; Z_TYPE($$.u.constant)=IS_LONG; INIT_PZVAL(&$$.u.constant); zend_do_receive_arg(ZEND_RECV_INIT, &tmp, &$$, &$5, &$1, &$3, 1 TSRMLS_CC); } 456 | optional_class_type T_VARIABLE '=' static_scalar { znode tmp; fetch_simple_variable(&tmp, &$2, 0 TSRMLS_CC); $$.op_type = IS_CONST; Z_LVAL($$.u.constant)=1; Z_TYPE($$.u.constant)=IS_LONG; INIT_PZVAL(&$$.u.constant); zend_do_receive_arg(ZEND_RECV_INIT, &tmp, &$$, &$4, &$1, &$2, 0 TSRMLS_CC); } 457 | non_empty_parameter_list ',' optional_class_type T_VARIABLE { znode tmp; fetch_simple_variable(&tmp, &$4, 0 TSRMLS_CC); $$=$1; Z_LVAL($$.u.constant)++; zend_do_receive_arg(ZEND_RECV, &tmp, &$$, NULL, &$3, &$4, 0 TSRMLS_CC); } 458 | non_empty_parameter_list ',' optional_class_type '&' T_VARIABLE { znode tmp; fetch_simple_variable(&tmp, &$5, 0 TSRMLS_CC); $$=$1; Z_LVAL($$.u.constant)++; zend_do_receive_arg(ZEND_RECV, &tmp, &$$, NULL, &$3, &$5, 1 TSRMLS_CC); } 459 | non_empty_parameter_list ',' optional_class_type '&' T_VARIABLE '=' static_scalar { znode tmp; fetch_simple_variable(&tmp, &$5, 0 TSRMLS_CC); $$=$1; Z_LVAL($$.u.constant)++; zend_do_receive_arg(ZEND_RECV_INIT, &tmp, &$$, &$7, &$3, &$5, 1 TSRMLS_CC); } 460 | non_empty_parameter_list ',' optional_class_type T_VARIABLE '=' static_scalar { znode tmp; fetch_simple_variable(&tmp, &$4, 0 TSRMLS_CC); $$=$1; Z_LVAL($$.u.constant)++; zend_do_receive_arg(ZEND_RECV_INIT, &tmp, &$$, &$6, &$3, &$4, 0 TSRMLS_CC); } 461 ; 462 463 464 optional_class_type: 465 /* empty */ { $$.op_type = IS_UNUSED; } 466 | fully_qualified_class_name { $$ = $1; } 467 | T_ARRAY { $$.op_type = IS_CONST; Z_TYPE($$.u.constant)=IS_NULL;} 468 ; 469 470 471 function_call_parameter_list: 472 non_empty_function_call_parameter_list { $$ = $1; } 473 | /* empty */ { Z_LVAL($$.u.constant) = 0; } 474 ; 475 476 477 non_empty_function_call_parameter_list: 478 expr_without_variable { Z_LVAL($$.u.constant) = 1; zend_do_pass_param(&$1, ZEND_SEND_VAL, Z_LVAL($$.u.constant) TSRMLS_CC); } 479 | variable { Z_LVAL($$.u.constant) = 1; zend_do_pass_param(&$1, ZEND_SEND_VAR, Z_LVAL($$.u.constant) TSRMLS_CC); } 480 | '&' w_variable { Z_LVAL($$.u.constant) = 1; zend_do_pass_param(&$2, ZEND_SEND_REF, Z_LVAL($$.u.constant) TSRMLS_CC); } 481 | non_empty_function_call_parameter_list ',' expr_without_variable { Z_LVAL($$.u.constant)=Z_LVAL($1.u.constant)+1; zend_do_pass_param(&$3, ZEND_SEND_VAL, Z_LVAL($$.u.constant) TSRMLS_CC); } 482 | non_empty_function_call_parameter_list ',' variable { Z_LVAL($$.u.constant)=Z_LVAL($1.u.constant)+1; zend_do_pass_param(&$3, ZEND_SEND_VAR, Z_LVAL($$.u.constant) TSRMLS_CC); } 483 | non_empty_function_call_parameter_list ',' '&' w_variable { Z_LVAL($$.u.constant)=Z_LVAL($1.u.constant)+1; zend_do_pass_param(&$4, ZEND_SEND_REF, Z_LVAL($$.u.constant) TSRMLS_CC); } 484 ; 485 486 global_var_list: 487 global_var_list ',' global_var { zend_do_fetch_global_variable(&$3, NULL, ZEND_FETCH_GLOBAL_LOCK TSRMLS_CC); } 488 | global_var { zend_do_fetch_global_variable(&$1, NULL, ZEND_FETCH_GLOBAL_LOCK TSRMLS_CC); } 489 ; 490 491 492 global_var: 493 T_VARIABLE { $$ = $1; } 494 | '$' r_variable { $$ = $2; } 495 | '$' '{' expr '}' { $$ = $3; } 496 ; 497 498 499 static_var_list: 500 static_var_list ',' T_VARIABLE { zend_do_fetch_static_variable(&$3, NULL, ZEND_FETCH_STATIC TSRMLS_CC); } 501 | static_var_list ',' T_VARIABLE '=' static_scalar { zend_do_fetch_static_variable(&$3, &$5, ZEND_FETCH_STATIC TSRMLS_CC); } 502 | T_VARIABLE { zend_do_fetch_static_variable(&$1, NULL, ZEND_FETCH_STATIC TSRMLS_CC); } 503 | T_VARIABLE '=' static_scalar { zend_do_fetch_static_variable(&$1, &$3, ZEND_FETCH_STATIC TSRMLS_CC); } 504 505 ; 506 507 508 class_statement_list: 509 class_statement_list class_statement 510 | /* empty */ 511 ; 512 513 514 class_statement: 515 variable_modifiers { CG(access_type) = Z_LVAL($1.u.constant); } class_variable_declaration ';' 516 | class_constant_declaration ';' 517 | method_modifiers function is_reference T_STRING { zend_do_begin_function_declaration(&$2, &$4, 1, $3.op_type, &$1 TSRMLS_CC); } '(' 518 parameter_list ')' method_body { zend_do_abstract_method(&$4, &$1, &$9 TSRMLS_CC); zend_do_end_function_declaration(&$2 TSRMLS_CC); } 519 ; 520 521 522 method_body: 523 ';' /* abstract method */ { Z_LVAL($$.u.constant) = ZEND_ACC_ABSTRACT; } 524 | '{' inner_statement_list '}' { Z_LVAL($$.u.constant) = 0; } 525 ; 526 527 variable_modifiers: 528 non_empty_member_modifiers { $$ = $1; } 529 | T_VAR { Z_LVAL($$.u.constant) = ZEND_ACC_PUBLIC; } 530 ; 531 532 method_modifiers: 533 /* empty */ { Z_LVAL($$.u.constant) = ZEND_ACC_PUBLIC; } 534 | non_empty_member_modifiers { $$ = $1; if (!(Z_LVAL($$.u.constant) & ZEND_ACC_PPP_MASK)) { Z_LVAL($$.u.constant) |= ZEND_ACC_PUBLIC; } } 535 ; 536 537 non_empty_member_modifiers: 538 member_modifier { $$ = $1; } 539 | non_empty_member_modifiers member_modifier { Z_LVAL($$.u.constant) = zend_do_verify_access_types(&$1, &$2); } 540 ; 541 542 member_modifier: 543 T_PUBLIC { Z_LVAL($$.u.constant) = ZEND_ACC_PUBLIC; } 544 | T_PROTECTED { Z_LVAL($$.u.constant) = ZEND_ACC_PROTECTED; } 545 | T_PRIVATE { Z_LVAL($$.u.constant) = ZEND_ACC_PRIVATE; } 546 | T_STATIC { Z_LVAL($$.u.constant) = ZEND_ACC_STATIC; } 547 | T_ABSTRACT { Z_LVAL($$.u.constant) = ZEND_ACC_ABSTRACT; } 548 | T_FINAL { Z_LVAL($$.u.constant) = ZEND_ACC_FINAL; } 549 ; 550 551 class_variable_declaration: 552 class_variable_declaration ',' T_VARIABLE { zend_do_declare_property(&$3, NULL, CG(access_type) TSRMLS_CC); } 553 | class_variable_declaration ',' T_VARIABLE '=' static_scalar { zend_do_declare_property(&$3, &$5, CG(access_type) TSRMLS_CC); } 554 | T_VARIABLE { zend_do_declare_property(&$1, NULL, CG(access_type) TSRMLS_CC); } 555 | T_VARIABLE '=' static_scalar { zend_do_declare_property(&$1, &$3, CG(access_type) TSRMLS_CC); } 556 ; 557 558 class_constant_declaration: 559 class_constant_declaration ',' T_STRING '=' static_scalar { zend_do_declare_class_constant(&$3, &$5 TSRMLS_CC); } 560 | T_CONST T_STRING '=' static_scalar { zend_do_declare_class_constant(&$2, &$4 TSRMLS_CC); } 561 ; 562 563 echo_expr_list: 564 echo_expr_list ',' expr { zend_do_echo(&$3 TSRMLS_CC); } 565 | expr { zend_do_echo(&$1 TSRMLS_CC); } 566 ; 567 568 569 for_expr: 570 /* empty */ { $$.op_type = IS_CONST; Z_TYPE($$.u.constant) = IS_BOOL; Z_LVAL($$.u.constant) = 1; } 571 | non_empty_for_expr { $$ = $1; } 572 ; 573 574 non_empty_for_expr: 575 non_empty_for_expr ',' { zend_do_free(&$1 TSRMLS_CC); } expr { $$ = $4; } 576 | expr { $$ = $1; } 577 ; 578 579 expr_without_variable: 580 T_LIST '(' { zend_do_list_init(TSRMLS_C); } assignment_list ')' '=' expr { zend_do_list_end(&$$, &$7 TSRMLS_CC); } 581 | variable '=' expr { zend_check_writable_variable(&$1); zend_do_assign(&$$, &$1, &$3 TSRMLS_CC); } 582 | 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(&$$, &$1, &$4 TSRMLS_CC); } 583 | variable '=' '&' T_NEW class_name_reference { zend_error(E_DEPRECATED, "Assigning the return value of new by reference is deprecated"); zend_check_writable_variable(&$1); zend_do_extended_fcall_begin(TSRMLS_C); zend_do_begin_new_object(&$4, &$5 TSRMLS_CC); } ctor_arguments { zend_do_end_new_object(&$3, &$4, &$7 TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C); zend_do_end_variable_parse(&$1, BP_VAR_W, 0 TSRMLS_CC); $3.u.EA.type = ZEND_PARSED_NEW; zend_do_assign_ref(&$$, &$1, &$3 TSRMLS_CC); } 584 | 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(&$$, &$1, &$4 TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C);} 585 | T_CLONE expr { zend_do_clone(&$$, &$2 TSRMLS_CC); } 586 | 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, &$$, &$1, &$3 TSRMLS_CC); } 587 | variable T_MINUS_EQUAL expr { zend_check_writable_variable(&$1); zend_do_end_variable_parse(&$1, BP_VAR_RW, 0 TSRMLS_CC); zend_do_binary_assign_op(ZEND_ASSIGN_SUB, &$$, &$1, &$3 TSRMLS_CC); } 588 | 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, &$$, &$1, &$3 TSRMLS_CC); } 589 | variable T_DIV_EQUAL expr { zend_check_writable_variable(&$1); zend_do_end_variable_parse(&$1, BP_VAR_RW, 0 TSRMLS_CC); zend_do_binary_assign_op(ZEND_ASSIGN_DIV, &$$, &$1, &$3 TSRMLS_CC); } 590 | 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, &$$, &$1, &$3 TSRMLS_CC); } 591 | variable T_MOD_EQUAL expr { zend_check_writable_variable(&$1); zend_do_end_variable_parse(&$1, BP_VAR_RW, 0 TSRMLS_CC); zend_do_binary_assign_op(ZEND_ASSIGN_MOD, &$$, &$1, &$3 TSRMLS_CC); } 592 | 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, &$$, &$1, &$3 TSRMLS_CC); } 593 | variable T_OR_EQUAL expr { zend_check_writable_variable(&$1); zend_do_end_variable_parse(&$1, BP_VAR_RW, 0 TSRMLS_CC); zend_do_binary_assign_op(ZEND_ASSIGN_BW_OR, &$$, &$1, &$3 TSRMLS_CC); } 594 | 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, &$$, &$1, &$3 TSRMLS_CC); } 595 | variable T_SL_EQUAL expr { zend_check_writable_variable(&$1); zend_do_end_variable_parse(&$1, BP_VAR_RW, 0 TSRMLS_CC); zend_do_binary_assign_op(ZEND_ASSIGN_SL, &$$, &$1, &$3 TSRMLS_CC); } 596 | 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, &$$, &$1, &$3 TSRMLS_CC); } 597 | rw_variable T_INC { zend_do_post_incdec(&$$, &$1, ZEND_POST_INC TSRMLS_CC); } 598 | T_INC rw_variable { zend_do_pre_incdec(&$$, &$2, ZEND_PRE_INC TSRMLS_CC); } 599 | rw_variable T_DEC { zend_do_post_incdec(&$$, &$1, ZEND_POST_DEC TSRMLS_CC); } 600 | T_DEC rw_variable { zend_do_pre_incdec(&$$, &$2, ZEND_PRE_DEC TSRMLS_CC); } 601 | expr T_BOOLEAN_OR { zend_do_boolean_or_begin(&$1, &$2 TSRMLS_CC); } expr { zend_do_boolean_or_end(&$$, &$1, &$4, &$2 TSRMLS_CC); } 602 | expr T_BOOLEAN_AND { zend_do_boolean_and_begin(&$1, &$2 TSRMLS_CC); } expr { zend_do_boolean_and_end(&$$, &$1, &$4, &$2 TSRMLS_CC); } 603 | expr T_LOGICAL_OR { zend_do_boolean_or_begin(&$1, &$2 TSRMLS_CC); } expr { zend_do_boolean_or_end(&$$, &$1, &$4, &$2 TSRMLS_CC); } 604 | expr T_LOGICAL_AND { zend_do_boolean_and_begin(&$1, &$2 TSRMLS_CC); } expr { zend_do_boolean_and_end(&$$, &$1, &$4, &$2 TSRMLS_CC); } 605 | expr T_LOGICAL_XOR expr { zend_do_binary_op(ZEND_BOOL_XOR, &$$, &$1, &$3 TSRMLS_CC); } 606 | expr '|' expr { zend_do_binary_op(ZEND_BW_OR, &$$, &$1, &$3 TSRMLS_CC); } 607 | expr '&' expr { zend_do_binary_op(ZEND_BW_AND, &$$, &$1, &$3 TSRMLS_CC); } 608 | expr '^' expr { zend_do_binary_op(ZEND_BW_XOR, &$$, &$1, &$3 TSRMLS_CC); } 609 | expr '.' expr { zend_do_binary_op(ZEND_CONCAT, &$$, &$1, &$3 TSRMLS_CC); } 610 | expr '+' expr { zend_do_binary_op(ZEND_ADD, &$$, &$1, &$3 TSRMLS_CC); } 611 | expr '-' expr { zend_do_binary_op(ZEND_SUB, &$$, &$1, &$3 TSRMLS_CC); } 612 | expr '*' expr { zend_do_binary_op(ZEND_MUL, &$$, &$1, &$3 TSRMLS_CC); } 613 | expr '/' expr { zend_do_binary_op(ZEND_DIV, &$$, &$1, &$3 TSRMLS_CC); } 614 | expr '%' expr { zend_do_binary_op(ZEND_MOD, &$$, &$1, &$3 TSRMLS_CC); } 615 | expr T_SL expr { zend_do_binary_op(ZEND_SL, &$$, &$1, &$3 TSRMLS_CC); } 616 | expr T_SR expr { zend_do_binary_op(ZEND_SR, &$$, &$1, &$3 TSRMLS_CC); } 617 | '+' expr %prec T_INC { ZVAL_LONG(&$1.u.constant, 0); if ($2.op_type == IS_CONST) { add_function(&$2.u.constant, &$1.u.constant, &$2.u.constant TSRMLS_CC); $$ = $2; } else { $1.op_type = IS_CONST; INIT_PZVAL(&$1.u.constant); zend_do_binary_op(ZEND_ADD, &$$, &$1, &$2 TSRMLS_CC); } } 618 | '-' expr %prec T_INC { ZVAL_LONG(&$1.u.constant, 0); if ($2.op_type == IS_CONST) { sub_function(&$2.u.constant, &$1.u.constant, &$2.u.constant TSRMLS_CC); $$ = $2; } else { $1.op_type = IS_CONST; INIT_PZVAL(&$1.u.constant); zend_do_binary_op(ZEND_SUB, &$$, &$1, &$2 TSRMLS_CC); } } 619 | '!' expr { zend_do_unary_op(ZEND_BOOL_NOT, &$$, &$2 TSRMLS_CC); } 620 | '~' expr { zend_do_unary_op(ZEND_BW_NOT, &$$, &$2 TSRMLS_CC); } 621 | expr T_IS_IDENTICAL expr { zend_do_binary_op(ZEND_IS_IDENTICAL, &$$, &$1, &$3 TSRMLS_CC); } 622 | expr T_IS_NOT_IDENTICAL expr { zend_do_binary_op(ZEND_IS_NOT_IDENTICAL, &$$, &$1, &$3 TSRMLS_CC); } 623 | expr T_IS_EQUAL expr { zend_do_binary_op(ZEND_IS_EQUAL, &$$, &$1, &$3 TSRMLS_CC); } 624 | expr T_IS_NOT_EQUAL expr { zend_do_binary_op(ZEND_IS_NOT_EQUAL, &$$, &$1, &$3 TSRMLS_CC); } 625 | expr '<' expr { zend_do_binary_op(ZEND_IS_SMALLER, &$$, &$1, &$3 TSRMLS_CC); } 626 | expr T_IS_SMALLER_OR_EQUAL expr { zend_do_binary_op(ZEND_IS_SMALLER_OR_EQUAL, &$$, &$1, &$3 TSRMLS_CC); } 627 | expr '>' expr { zend_do_binary_op(ZEND_IS_SMALLER, &$$, &$3, &$1 TSRMLS_CC); } 628 | expr T_IS_GREATER_OR_EQUAL expr { zend_do_binary_op(ZEND_IS_SMALLER_OR_EQUAL, &$$, &$3, &$1 TSRMLS_CC); } 629 | expr T_INSTANCEOF class_name_reference { zend_do_instanceof(&$$, &$1, &$3, 0 TSRMLS_CC); } 630 | '(' expr ')' { $$ = $2; } 631 | expr '?' { zend_do_begin_qm_op(&$1, &$2 TSRMLS_CC); } 632 expr ':' { zend_do_qm_true(&$4, &$2, &$5 TSRMLS_CC); } 633 expr { zend_do_qm_false(&$$, &$7, &$2, &$5 TSRMLS_CC); } 634 | expr '?' ':' { zend_do_jmp_set(&$1, &$2, &$3 TSRMLS_CC); } 635 expr { zend_do_jmp_set_else(&$$, &$5, &$2, &$3 TSRMLS_CC); } 636 | internal_functions_in_yacc { $$ = $1; } 637 | T_INT_CAST expr { zend_do_cast(&$$, &$2, IS_LONG TSRMLS_CC); } 638 | T_DOUBLE_CAST expr { zend_do_cast(&$$, &$2, IS_DOUBLE TSRMLS_CC); } 639 | T_STRING_CAST expr { zend_do_cast(&$$, &$2, IS_STRING TSRMLS_CC); } 640 | T_ARRAY_CAST expr { zend_do_cast(&$$, &$2, IS_ARRAY TSRMLS_CC); } 641 | T_OBJECT_CAST expr { zend_do_cast(&$$, &$2, IS_OBJECT TSRMLS_CC); } 642 | T_BOOL_CAST expr { zend_do_cast(&$$, &$2, IS_BOOL TSRMLS_CC); } 643 | T_UNSET_CAST expr { zend_do_cast(&$$, &$2, IS_NULL TSRMLS_CC); } 644 | T_EXIT exit_expr { zend_do_exit(&$$, &$2 TSRMLS_CC); } 645 | '@' { zend_do_begin_silence(&$1 TSRMLS_CC); } expr { zend_do_end_silence(&$1 TSRMLS_CC); $$ = $3; } 646 | scalar { $$ = $1; } 647 | T_ARRAY '(' array_pair_list ')' { $$ = $3; } 648 | '`' backticks_expr '`' { zend_do_shell_exec(&$$, &$2 TSRMLS_CC); } 649 | T_PRINT expr { zend_do_print(&$$, &$2 TSRMLS_CC); } 650 | function is_reference '(' { zend_do_begin_lambda_function_declaration(&$$, &$1, $2.op_type TSRMLS_CC); } 651 parameter_list ')' lexical_vars '{' inner_statement_list '}' { zend_do_end_function_declaration(&$1 TSRMLS_CC); $$ = $4; } 652 ; 653 654 function: 655 T_FUNCTION { $$.u.opline_num = CG(zend_lineno); } 656 ; 657 658 lexical_vars: 659 /* empty */ 660 | T_USE '(' lexical_var_list ')' 661 ; 662 663 lexical_var_list: 664 lexical_var_list ',' T_VARIABLE { zend_do_fetch_lexical_variable(&$3, 0 TSRMLS_CC); } 665 | lexical_var_list ',' '&' T_VARIABLE { zend_do_fetch_lexical_variable(&$4, 1 TSRMLS_CC); } 666 | T_VARIABLE { zend_do_fetch_lexical_variable(&$1, 0 TSRMLS_CC); } 667 | '&' T_VARIABLE { zend_do_fetch_lexical_variable(&$2, 1 TSRMLS_CC); } 668 ; 669 670 function_call: 671 namespace_name '(' { $2.u.opline_num = zend_do_begin_function_call(&$1, 1 TSRMLS_CC); } 672 function_call_parameter_list 673 ')' { zend_do_end_function_call(&$1, &$$, &$4, 0, $2.u.opline_num TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C); } 674 | T_NAMESPACE T_NS_SEPARATOR namespace_name '(' { $1.op_type = IS_CONST; ZVAL_EMPTY_STRING(&$1.u.constant); zend_do_build_namespace_name(&$1, &$1, &$3 TSRMLS_CC); $4.u.opline_num = zend_do_begin_function_call(&$1, 0 TSRMLS_CC); } 675 function_call_parameter_list 676 ')' { zend_do_end_function_call(&$1, &$$, &$6, 0, $4.u.opline_num TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C); } 677 | T_NS_SEPARATOR namespace_name '(' { $3.u.opline_num = zend_do_begin_function_call(&$2, 0 TSRMLS_CC); } 678 function_call_parameter_list 679 ')' { zend_do_end_function_call(&$2, &$$, &$5, 0, $3.u.opline_num TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C); } 680 | class_name T_PAAMAYIM_NEKUDOTAYIM T_STRING '(' { $4.u.opline_num = zend_do_begin_class_member_function_call(&$1, &$3 TSRMLS_CC); } 681 function_call_parameter_list 682 ')' { zend_do_end_function_call($4.u.opline_num?NULL:&$3, &$$, &$6, $4.u.opline_num, $4.u.opline_num TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C);} 683 | 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); } 684 function_call_parameter_list 685 ')' { zend_do_end_function_call(NULL, &$$, &$6, 1, 1 TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C);} 686 | variable_class_name T_PAAMAYIM_NEKUDOTAYIM T_STRING '(' { zend_do_begin_class_member_function_call(&$1, &$3 TSRMLS_CC); } 687 function_call_parameter_list 688 ')' { zend_do_end_function_call(NULL, &$$, &$6, 1, 1 TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C);} 689 | 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); } 690 function_call_parameter_list 691 ')' { zend_do_end_function_call(NULL, &$$, &$6, 1, 1 TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C);} 692 | variable_without_objects '(' { zend_do_end_variable_parse(&$1, BP_VAR_R, 0 TSRMLS_CC); zend_do_begin_dynamic_function_call(&$1, 0 TSRMLS_CC); } 693 function_call_parameter_list ')' 694 { zend_do_end_function_call(&$1, &$$, &$4, 0, 1 TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C);} 695 ; 696 697 class_name: 698 T_STATIC { $$.op_type = IS_CONST; ZVAL_STRINGL(&$$.u.constant, "static", sizeof("static")-1, 1);} 699 | namespace_name { $$ = $1; } 700 | T_NAMESPACE T_NS_SEPARATOR namespace_name { $$.op_type = IS_CONST; ZVAL_EMPTY_STRING(&$$.u.constant); zend_do_build_namespace_name(&$$, &$$, &$3 TSRMLS_CC); } 701 | T_NS_SEPARATOR namespace_name { char *tmp = estrndup(Z_STRVAL($2.u.constant), Z_STRLEN($2.u.constant)+1); memcpy(&(tmp[1]), Z_STRVAL($2.u.constant), Z_STRLEN($2.u.constant)+1); tmp[0] = '\\'; efree(Z_STRVAL($2.u.constant)); Z_STRVAL($2.u.constant) = tmp; ++Z_STRLEN($2.u.constant); $$ = $2; } 702 ; 703 704 fully_qualified_class_name: 705 namespace_name { $$ = $1; } 706 | T_NAMESPACE T_NS_SEPARATOR namespace_name { $$.op_type = IS_CONST; ZVAL_EMPTY_STRING(&$$.u.constant); zend_do_build_namespace_name(&$$, &$$, &$3 TSRMLS_CC); } 707 | T_NS_SEPARATOR namespace_name { char *tmp = estrndup(Z_STRVAL($2.u.constant), Z_STRLEN($2.u.constant)+1); memcpy(&(tmp[1]), Z_STRVAL($2.u.constant), Z_STRLEN($2.u.constant)+1); tmp[0] = '\\'; efree(Z_STRVAL($2.u.constant)); Z_STRVAL($2.u.constant) = tmp; ++Z_STRLEN($2.u.constant); $$ = $2; } 708 ; 709 710 711 712 class_name_reference: 713 class_name { zend_do_fetch_class(&$$, &$1 TSRMLS_CC); } 714 | dynamic_class_name_reference { zend_do_end_variable_parse(&$1, BP_VAR_R, 0 TSRMLS_CC); zend_do_fetch_class(&$$, &$1 TSRMLS_CC); } 715 ; 716 717 718 dynamic_class_name_reference: 719 base_variable T_OBJECT_OPERATOR { zend_do_push_object(&$1 TSRMLS_CC); } 720 object_property { zend_do_push_object(&$4 TSRMLS_CC); zend_do_declare_implicit_property(TSRMLS_C); } dynamic_class_name_variable_properties 721 { zend_do_pop_object(&$$ TSRMLS_CC); $$.u.EA.type = ZEND_PARSED_MEMBER; } 722 | base_variable { $$ = $1; } 723 ; 724 725 726 dynamic_class_name_variable_properties: 727 dynamic_class_name_variable_properties dynamic_class_name_variable_property 728 | /* empty */ 729 ; 730 731 732 dynamic_class_name_variable_property: 733 T_OBJECT_OPERATOR object_property { zend_do_push_object(&$2 TSRMLS_CC); zend_do_declare_implicit_property(TSRMLS_C); } 734 ; 735 736 exit_expr: 737 /* empty */ { memset(&$$, 0, sizeof(znode)); $$.op_type = IS_UNUSED; } 738 | '(' ')' { memset(&$$, 0, sizeof(znode)); $$.op_type = IS_UNUSED; } 739 | '(' expr ')' { $$ = $2; } 740 ; 741 742 backticks_expr: 743 /* empty */ { ZVAL_EMPTY_STRING(&$$.u.constant); INIT_PZVAL(&$$.u.constant); $$.op_type = IS_CONST; } 744 | T_ENCAPSED_AND_WHITESPACE { $$ = $1; } 745 | encaps_list { $$ = $1; } 746 ; 747 748 749 ctor_arguments: 750 /* empty */ { Z_LVAL($$.u.constant)=0; } 751 | '(' function_call_parameter_list ')' { $$ = $2; } 752 ; 753 754 755 common_scalar: 756 T_LNUMBER { $$ = $1; } 757 | T_DNUMBER { $$ = $1; } 758 | T_CONSTANT_ENCAPSED_STRING { $$ = $1; } 759 | T_LINE { $$ = $1; } 760 | T_FILE { $$ = $1; } 761 | T_DIR { $$ = $1; } 762 | T_CLASS_C { $$ = $1; } 763 | T_METHOD_C { $$ = $1; } 764 | T_FUNC_C { $$ = $1; } 765 | T_NS_C { $$ = $1; } 766 | T_START_HEREDOC T_ENCAPSED_AND_WHITESPACE T_END_HEREDOC { $$ = $2; CG(heredoc) = Z_STRVAL($1.u.constant); CG(heredoc_len) = Z_STRLEN($1.u.constant); } 767 | T_START_HEREDOC T_END_HEREDOC { ZVAL_EMPTY_STRING(&$$.u.constant); INIT_PZVAL(&$$.u.constant); $$.op_type = IS_CONST; CG(heredoc) = Z_STRVAL($1.u.constant); CG(heredoc_len) = Z_STRLEN($1.u.constant); } 768 ; 769 770 771 static_scalar: /* compile-time evaluated scalars */ 772 common_scalar { $$ = $1; } 773 | namespace_name { zend_do_fetch_constant(&$$, NULL, &$1, ZEND_CT, 1 TSRMLS_CC); } 774 | T_NAMESPACE T_NS_SEPARATOR namespace_name { $$.op_type = IS_CONST; ZVAL_EMPTY_STRING(&$$.u.constant); zend_do_build_namespace_name(&$$, &$$, &$3 TSRMLS_CC); $3 = $$; zend_do_fetch_constant(&$$, NULL, &$3, ZEND_CT, 0 TSRMLS_CC); } 775 | T_NS_SEPARATOR namespace_name { char *tmp = estrndup(Z_STRVAL($2.u.constant), Z_STRLEN($2.u.constant)+1); memcpy(&(tmp[1]), Z_STRVAL($2.u.constant), Z_STRLEN($2.u.constant)+1); tmp[0] = '\\'; efree(Z_STRVAL($2.u.constant)); Z_STRVAL($2.u.constant) = tmp; ++Z_STRLEN($2.u.constant); zend_do_fetch_constant(&$$, NULL, &$2, ZEND_CT, 0 TSRMLS_CC); } 776 | '+' static_scalar { ZVAL_LONG(&$1.u.constant, 0); add_function(&$2.u.constant, &$1.u.constant, &$2.u.constant TSRMLS_CC); $$ = $2; } 777 | '-' static_scalar { ZVAL_LONG(&$1.u.constant, 0); sub_function(&$2.u.constant, &$1.u.constant, &$2.u.constant TSRMLS_CC); $$ = $2; } 778 | T_ARRAY '(' static_array_pair_list ')' { $$ = $3; Z_TYPE($$.u.constant) = IS_CONSTANT_ARRAY; } 779 | static_class_constant { $$ = $1; } 780 ; 781 782 static_class_constant: 783 class_name T_PAAMAYIM_NEKUDOTAYIM T_STRING { zend_do_fetch_constant(&$$, &$1, &$3, ZEND_CT, 0 TSRMLS_CC); } 784 ; 785 786 scalar: 787 T_STRING_VARNAME { $$ = $1; } 788 | class_constant { $$ = $1; } 789 | namespace_name { zend_do_fetch_constant(&$$, NULL, &$1, ZEND_RT, 1 TSRMLS_CC); } 790 | T_NAMESPACE T_NS_SEPARATOR namespace_name { $$.op_type = IS_CONST; ZVAL_EMPTY_STRING(&$$.u.constant); zend_do_build_namespace_name(&$$, &$$, &$3 TSRMLS_CC); $3 = $$; zend_do_fetch_constant(&$$, NULL, &$3, ZEND_RT, 0 TSRMLS_CC); } 791 | T_NS_SEPARATOR namespace_name { char *tmp = estrndup(Z_STRVAL($2.u.constant), Z_STRLEN($2.u.constant)+1); memcpy(&(tmp[1]), Z_STRVAL($2.u.constant), Z_STRLEN($2.u.constant)+1); tmp[0] = '\\'; efree(Z_STRVAL($2.u.constant)); Z_STRVAL($2.u.constant) = tmp; ++Z_STRLEN($2.u.constant); zend_do_fetch_constant(&$$, NULL, &$2, ZEND_RT, 0 TSRMLS_CC); } 792 | common_scalar { $$ = $1; } 793 | '"' encaps_list '"' { $$ = $2; } 794 | T_START_HEREDOC encaps_list T_END_HEREDOC { $$ = $2; CG(heredoc) = Z_STRVAL($1.u.constant); CG(heredoc_len) = Z_STRLEN($1.u.constant); } 795 ; 796 797 798 static_array_pair_list: 799 /* empty */ { $$.op_type = IS_CONST; INIT_PZVAL(&$$.u.constant); array_init(&$$.u.constant); } 800 | non_empty_static_array_pair_list possible_comma { $$ = $1; } 801 ; 802 803 possible_comma: 804 /* empty */ 805 | ',' 806 ; 807 808 non_empty_static_array_pair_list: 809 non_empty_static_array_pair_list ',' static_scalar T_DOUBLE_ARROW static_scalar { zend_do_add_static_array_element(&$$, &$3, &$5); } 810 | non_empty_static_array_pair_list ',' static_scalar { zend_do_add_static_array_element(&$$, NULL, &$3); } 811 | static_scalar T_DOUBLE_ARROW static_scalar { $$.op_type = IS_CONST; INIT_PZVAL(&$$.u.constant); array_init(&$$.u.constant); zend_do_add_static_array_element(&$$, &$1, &$3); } 812 | static_scalar { $$.op_type = IS_CONST; INIT_PZVAL(&$$.u.constant); array_init(&$$.u.constant); zend_do_add_static_array_element(&$$, NULL, &$1); } 813 ; 814 815 expr: 816 r_variable { $$ = $1; } 817 | expr_without_variable { $$ = $1; } 818 ; 819 820 821 r_variable: 822 variable { zend_do_end_variable_parse(&$1, BP_VAR_R, 0 TSRMLS_CC); $$ = $1; } 823 ; 824 825 826 w_variable: 827 variable { zend_do_end_variable_parse(&$1, BP_VAR_W, 0 TSRMLS_CC); $$ = $1; 828 zend_check_writable_variable(&$1); } 829 ; 830 831 rw_variable: 832 variable { zend_do_end_variable_parse(&$1, BP_VAR_RW, 0 TSRMLS_CC); $$ = $1; 833 zend_check_writable_variable(&$1); } 834 ; 835 836 variable: 837 base_variable_with_function_calls T_OBJECT_OPERATOR { zend_do_push_object(&$1 TSRMLS_CC); } 838 object_property { zend_do_push_object(&$4 TSRMLS_CC); } method_or_not variable_properties 839 { zend_do_pop_object(&$$ TSRMLS_CC); $$.u.EA.type = $1.u.EA.type | ($7.u.EA.type ? $7.u.EA.type : $6.u.EA.type); } 840 | base_variable_with_function_calls { $$ = $1; } 841 ; 842 843 variable_properties: 844 variable_properties variable_property { $$.u.EA.type = $2.u.EA.type; } 845 | /* empty */ { $$.u.EA.type = 0; } 846 ; 847 848 849 variable_property: 850 T_OBJECT_OPERATOR object_property { zend_do_push_object(&$2 TSRMLS_CC); } method_or_not { $$.u.EA.type = $4.u.EA.type; } 851 ; 852 853 method_or_not: 854 '(' { zend_do_pop_object(&$1 TSRMLS_CC); zend_do_begin_method_call(&$1 TSRMLS_CC); } 855 function_call_parameter_list ')' 856 { zend_do_end_function_call(&$1, &$$, &$3, 1, 1 TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C); 857 zend_do_push_object(&$$ TSRMLS_CC); $$.u.EA.type = ZEND_PARSED_METHOD_CALL; } 858 | /* empty */ { zend_do_declare_implicit_property(TSRMLS_C); $$.u.EA.type = ZEND_PARSED_MEMBER; } 859 ; 860 861 variable_without_objects: 862 reference_variable { $$ = $1; } 863 | simple_indirect_reference reference_variable { zend_do_indirect_references(&$$, &$1, &$2 TSRMLS_CC); } 864 ; 865 866 static_member: 867 class_name T_PAAMAYIM_NEKUDOTAYIM variable_without_objects { $$ = $3; zend_do_fetch_static_member(&$$, &$1 TSRMLS_CC); } 868 | variable_class_name T_PAAMAYIM_NEKUDOTAYIM variable_without_objects { $$ = $3; zend_do_fetch_static_member(&$$, &$1 TSRMLS_CC); } 869 870 ; 871 872 variable_class_name: 873 reference_variable { zend_do_end_variable_parse(&$1, BP_VAR_R, 0 TSRMLS_CC); $$=$1;; } 874 ; 875 876 base_variable_with_function_calls: 877 base_variable { $$ = $1; } 878 | function_call { zend_do_begin_variable_parse(TSRMLS_C); $$ = $1; $$.u.EA.type = ZEND_PARSED_FUNCTION_CALL; } 879 ; 880 881 882 base_variable: 883 reference_variable { $$ = $1; $$.u.EA.type = ZEND_PARSED_VARIABLE; } 884 | simple_indirect_reference reference_variable { zend_do_indirect_references(&$$, &$1, &$2 TSRMLS_CC); $$.u.EA.type = ZEND_PARSED_VARIABLE; } 885 | static_member { $$ = $1; $$.u.EA.type = ZEND_PARSED_STATIC_MEMBER; } 886 ; 887 888 reference_variable: 889 reference_variable '[' dim_offset ']' { fetch_array_dim(&$$, &$1, &$3 TSRMLS_CC); } 890 | reference_variable '{' expr '}' { fetch_string_offset(&$$, &$1, &$3 TSRMLS_CC); } 891 | compound_variable { zend_do_begin_variable_parse(TSRMLS_C); fetch_simple_variable(&$$, &$1, 1 TSRMLS_CC); } 892 ; 893 894 895 compound_variable: 896 T_VARIABLE { $$ = $1; } 897 | '$' '{' expr '}' { $$ = $3; } 898 ; 899 900 dim_offset: 901 /* empty */ { $$.op_type = IS_UNUSED; } 902 | expr { $$ = $1; } 903 ; 904 905 906 object_property: 907 object_dim_list { $$ = $1; } 908 | 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(&$$, &tmp_znode, &$1 TSRMLS_CC);} 909 ; 910 911 object_dim_list: 912 object_dim_list '[' dim_offset ']' { fetch_array_dim(&$$, &$1, &$3 TSRMLS_CC); } 913 | object_dim_list '{' expr '}' { fetch_string_offset(&$$, &$1, &$3 TSRMLS_CC); } 914 | variable_name { znode tmp_znode; zend_do_pop_object(&tmp_znode TSRMLS_CC); zend_do_fetch_property(&$$, &tmp_znode, &$1 TSRMLS_CC);} 915 ; 916 917 variable_name: 918 T_STRING { $$ = $1; } 919 | '{' expr '}' { $$ = $2; } 920 ; 921 922 simple_indirect_reference: 923 '$' { Z_LVAL($$.u.constant) = 1; } 924 | simple_indirect_reference '$' { Z_LVAL($$.u.constant)++; } 925 ; 926 927 assignment_list: 928 assignment_list ',' assignment_list_element 929 | assignment_list_element 930 ; 931 932 933 assignment_list_element: 934 variable { zend_do_add_list_element(&$1 TSRMLS_CC); } 935 | T_LIST '(' { zend_do_new_list_begin(TSRMLS_C); } assignment_list ')' { zend_do_new_list_end(TSRMLS_C); } 936 | /* empty */ { zend_do_add_list_element(NULL TSRMLS_CC); } 937 ; 938 939 940 array_pair_list: 941 /* empty */ { zend_do_init_array(&$$, NULL, NULL, 0 TSRMLS_CC); } 942 | non_empty_array_pair_list possible_comma { $$ = $1; } 943 ; 944 945 non_empty_array_pair_list: 946 non_empty_array_pair_list ',' expr T_DOUBLE_ARROW expr { zend_do_add_array_element(&$$, &$5, &$3, 0 TSRMLS_CC); } 947 | non_empty_array_pair_list ',' expr { zend_do_add_array_element(&$$, &$3, NULL, 0 TSRMLS_CC); } 948 | expr T_DOUBLE_ARROW expr { zend_do_init_array(&$$, &$3, &$1, 0 TSRMLS_CC); } 949 | expr { zend_do_init_array(&$$, &$1, NULL, 0 TSRMLS_CC); } 950 | non_empty_array_pair_list ',' expr T_DOUBLE_ARROW '&' w_variable { zend_do_add_array_element(&$$, &$6, &$3, 1 TSRMLS_CC); } 951 | non_empty_array_pair_list ',' '&' w_variable { zend_do_add_array_element(&$$, &$4, NULL, 1 TSRMLS_CC); } 952 | expr T_DOUBLE_ARROW '&' w_variable { zend_do_init_array(&$$, &$4, &$1, 1 TSRMLS_CC); } 953 | '&' w_variable { zend_do_init_array(&$$, &$2, NULL, 1 TSRMLS_CC); } 954 ; 955 956 encaps_list: 957 encaps_list encaps_var { zend_do_end_variable_parse(&$2, BP_VAR_R, 0 TSRMLS_CC); zend_do_add_variable(&$$, &$1, &$2 TSRMLS_CC); } 958 | encaps_list T_ENCAPSED_AND_WHITESPACE { zend_do_add_string(&$$, &$1, &$2 TSRMLS_CC); } 959 | encaps_var { zend_do_end_variable_parse(&$1, BP_VAR_R, 0 TSRMLS_CC); zend_do_add_variable(&$$, NULL, &$1 TSRMLS_CC); } 960 | T_ENCAPSED_AND_WHITESPACE encaps_var { zend_do_add_string(&$$, NULL, &$1 TSRMLS_CC); zend_do_end_variable_parse(&$2, BP_VAR_R, 0 TSRMLS_CC); zend_do_add_variable(&$$, &$$, &$2 TSRMLS_CC); } 961 ; 962 963 964 965 encaps_var: 966 T_VARIABLE { zend_do_begin_variable_parse(TSRMLS_C); fetch_simple_variable(&$$, &$1, 1 TSRMLS_CC); } 967 | T_VARIABLE '[' { zend_do_begin_variable_parse(TSRMLS_C); } encaps_var_offset ']' { fetch_array_begin(&$$, &$1, &$4 TSRMLS_CC); } 968 | 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(&$$, &$2, &$3 TSRMLS_CC); } 969 | T_DOLLAR_OPEN_CURLY_BRACES expr '}' { zend_do_begin_variable_parse(TSRMLS_C); fetch_simple_variable(&$$, &$2, 1 TSRMLS_CC); } 970 | T_DOLLAR_OPEN_CURLY_BRACES T_STRING_VARNAME '[' expr ']' '}' { zend_do_begin_variable_parse(TSRMLS_C); fetch_array_begin(&$$, &$2, &$4 TSRMLS_CC); } 971 | T_CURLY_OPEN variable '}' { $$ = $2; } 972 ; 973 974 975 encaps_var_offset: 976 T_STRING { $$ = $1; } 977 | T_NUM_STRING { $$ = $1; } 978 | T_VARIABLE { fetch_simple_variable(&$$, &$1, 1 TSRMLS_CC); } 979 ; 980 981 982 internal_functions_in_yacc: 983 T_ISSET '(' isset_variables ')' { $$ = $3; } 984 | T_EMPTY '(' variable ')' { zend_do_isset_or_isempty(ZEND_ISEMPTY, &$$, &$3 TSRMLS_CC); } 985 | T_INCLUDE expr { zend_do_include_or_eval(ZEND_INCLUDE, &$$, &$2 TSRMLS_CC); } 986 | T_INCLUDE_ONCE expr { zend_do_include_or_eval(ZEND_INCLUDE_ONCE, &$$, &$2 TSRMLS_CC); } 987 | T_EVAL '(' expr ')' { zend_do_include_or_eval(ZEND_EVAL, &$$, &$3 TSRMLS_CC); } 988 | T_REQUIRE expr { zend_do_include_or_eval(ZEND_REQUIRE, &$$, &$2 TSRMLS_CC); } 989 | T_REQUIRE_ONCE expr { zend_do_include_or_eval(ZEND_REQUIRE_ONCE, &$$, &$2 TSRMLS_CC); } 990 ; 991 992 isset_variables: 993 variable { zend_do_isset_or_isempty(ZEND_ISSET, &$$, &$1 TSRMLS_CC); } 994 | isset_variables ',' { zend_do_boolean_and_begin(&$1, &$2 TSRMLS_CC); } variable { znode tmp; zend_do_isset_or_isempty(ZEND_ISSET, &tmp, &$4 TSRMLS_CC); zend_do_boolean_and_end(&$$, &$1, &tmp, &$2 TSRMLS_CC); } 995 ; 996 997 class_constant: 998 class_name T_PAAMAYIM_NEKUDOTAYIM T_STRING { zend_do_fetch_constant(&$$, &$1, &$3, ZEND_RT, 0 TSRMLS_CC); } 999 | variable_class_name T_PAAMAYIM_NEKUDOTAYIM T_STRING { zend_do_fetch_constant(&$$, &$1, &$3, ZEND_RT, 0 TSRMLS_CC); } 1000 ; 1001 1002 %% 1003 1004 /* 1005 * Local variables: 1006 * tab-width: 4 1007 * c-basic-offset: 4 1008 * indent-tabs-mode: t 1009 * End: 1010 */ 1011
