1 %{ 2 /* 3 +----------------------------------------------------------------------+ 4 | Zend Engine | 5 +----------------------------------------------------------------------+ 6 | Copyright (c) 1998-2016 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 %right T_YIELD 74 %token T_YIELD "yield (T_YIELD)" 75 %left '=' T_PLUS_EQUAL T_MINUS_EQUAL T_MUL_EQUAL T_DIV_EQUAL T_CONCAT_EQUAL T_MOD_EQUAL T_AND_EQUAL T_OR_EQUAL T_XOR_EQUAL T_SL_EQUAL T_SR_EQUAL T_POW_EQUAL 76 %token T_PLUS_EQUAL "+= (T_PLUS_EQUAL)" 77 %token T_MINUS_EQUAL "-= (T_MINUS_EQUAL)" 78 %token T_MUL_EQUAL "*= (T_MUL_EQUAL)" 79 %token T_DIV_EQUAL "/= (T_DIV_EQUAL)" 80 %token T_CONCAT_EQUAL ".= (T_CONCAT_EQUAL)" 81 %token T_MOD_EQUAL "%= (T_MOD_EQUAL)" 82 %token T_AND_EQUAL "&= (T_AND_EQUAL)" 83 %token T_OR_EQUAL "|= (T_OR_EQUAL)" 84 %token T_XOR_EQUAL "^= (T_XOR_EQUAL)" 85 %token T_SL_EQUAL "<<= (T_SL_EQUAL)" 86 %token T_SR_EQUAL ">>= (T_SR_EQUAL)" 87 %left '?' ':' 88 %left T_BOOLEAN_OR 89 %token T_BOOLEAN_OR "|| (T_BOOLEAN_OR)" 90 %left T_BOOLEAN_AND 91 %token T_BOOLEAN_AND "&& (T_BOOLEAN_AND)" 92 %left '|' 93 %left '^' 94 %left '&' 95 %nonassoc T_IS_EQUAL T_IS_NOT_EQUAL T_IS_IDENTICAL T_IS_NOT_IDENTICAL 96 %token T_IS_EQUAL "== (T_IS_EQUAL)" 97 %token T_IS_NOT_EQUAL "!= (T_IS_NOT_EQUAL)" 98 %token T_IS_IDENTICAL "=== (T_IS_IDENTICAL)" 99 %token T_IS_NOT_IDENTICAL "!== (T_IS_NOT_IDENTICAL)" 100 %nonassoc '<' T_IS_SMALLER_OR_EQUAL '>' T_IS_GREATER_OR_EQUAL 101 %token T_IS_SMALLER_OR_EQUAL "<= (T_IS_SMALLER_OR_EQUAL)" 102 %token T_IS_GREATER_OR_EQUAL ">= (T_IS_GREATER_OR_EQUAL)" 103 %left T_SL T_SR 104 %token T_SL "<< (T_SL)" 105 %token T_SR ">> (T_SR)" 106 %left '+' '-' '.' 107 %left '*' '/' '%' 108 %right '!' 109 %nonassoc T_INSTANCEOF 110 %token T_INSTANCEOF "instanceof (T_INSTANCEOF)" 111 %right '~' T_INC T_DEC T_INT_CAST T_DOUBLE_CAST T_STRING_CAST T_ARRAY_CAST T_OBJECT_CAST T_BOOL_CAST T_UNSET_CAST '@' 112 %right T_POW 113 %token T_INC "++ (T_INC)" 114 %token T_DEC "-- (T_DEC)" 115 %token T_INT_CAST "(int) (T_INT_CAST)" 116 %token T_DOUBLE_CAST "(double) (T_DOUBLE_CAST)" 117 %token T_STRING_CAST "(string) (T_STRING_CAST)" 118 %token T_ARRAY_CAST "(array) (T_ARRAY_CAST)" 119 %token T_OBJECT_CAST "(object) (T_OBJECT_CAST)" 120 %token T_BOOL_CAST "(bool) (T_BOOL_CAST)" 121 %token T_UNSET_CAST "(unset) (T_UNSET_CAST)" 122 %right '[' 123 %nonassoc T_NEW T_CLONE 124 %token T_NEW "new (T_NEW)" 125 %token T_CLONE "clone (T_CLONE)" 126 %token T_EXIT "exit (T_EXIT)" 127 %token T_IF "if (T_IF)" 128 %left T_ELSEIF 129 %token T_ELSEIF "elseif (T_ELSEIF)" 130 %left T_ELSE 131 %token T_ELSE "else (T_ELSE)" 132 %left T_ENDIF 133 %token T_ENDIF "endif (T_ENDIF)" 134 %token T_LNUMBER "integer number (T_LNUMBER)" 135 %token T_DNUMBER "floating-point number (T_DNUMBER)" 136 %token T_STRING "identifier (T_STRING)" 137 %token T_STRING_VARNAME "variable name (T_STRING_VARNAME)" 138 %token T_VARIABLE "variable (T_VARIABLE)" 139 %token T_NUM_STRING "number (T_NUM_STRING)" 140 %token T_INLINE_HTML 141 %token T_CHARACTER 142 %token T_BAD_CHARACTER 143 %token T_ENCAPSED_AND_WHITESPACE "quoted-string and whitespace (T_ENCAPSED_AND_WHITESPACE)" 144 %token T_CONSTANT_ENCAPSED_STRING "quoted-string (T_CONSTANT_ENCAPSED_STRING)" 145 %token T_ECHO "echo (T_ECHO)" 146 %token T_DO "do (T_DO)" 147 %token T_WHILE "while (T_WHILE)" 148 %token T_ENDWHILE "endwhile (T_ENDWHILE)" 149 %token T_FOR "for (T_FOR)" 150 %token T_ENDFOR "endfor (T_ENDFOR)" 151 %token T_FOREACH "foreach (T_FOREACH)" 152 %token T_ENDFOREACH "endforeach (T_ENDFOREACH)" 153 %token T_DECLARE "declare (T_DECLARE)" 154 %token T_ENDDECLARE "enddeclare (T_ENDDECLARE)" 155 %token T_AS "as (T_AS)" 156 %token T_SWITCH "switch (T_SWITCH)" 157 %token T_ENDSWITCH "endswitch (T_ENDSWITCH)" 158 %token T_CASE "case (T_CASE)" 159 %token T_DEFAULT "default (T_DEFAULT)" 160 %token T_BREAK "break (T_BREAK)" 161 %token T_CONTINUE "continue (T_CONTINUE)" 162 %token T_GOTO "goto (T_GOTO)" 163 %token T_FUNCTION "function (T_FUNCTION)" 164 %token T_CONST "const (T_CONST)" 165 %token T_RETURN "return (T_RETURN)" 166 %token T_TRY "try (T_TRY)" 167 %token T_CATCH "catch (T_CATCH)" 168 %token T_FINALLY "finally (T_FINALLY)" 169 %token T_THROW "throw (T_THROW)" 170 %token T_USE "use (T_USE)" 171 %token T_INSTEADOF "insteadof (T_INSTEADOF)" 172 %token T_GLOBAL "global (T_GLOBAL)" 173 %right T_STATIC T_ABSTRACT T_FINAL T_PRIVATE T_PROTECTED T_PUBLIC 174 %token T_STATIC "static (T_STATIC)" 175 %token T_ABSTRACT "abstract (T_ABSTRACT)" 176 %token T_FINAL "final (T_FINAL)" 177 %token T_PRIVATE "private (T_PRIVATE)" 178 %token T_PROTECTED "protected (T_PROTECTED)" 179 %token T_PUBLIC "public (T_PUBLIC)" 180 %token T_VAR "var (T_VAR)" 181 %token T_UNSET "unset (T_UNSET)" 182 %token T_ISSET "isset (T_ISSET)" 183 %token T_EMPTY "empty (T_EMPTY)" 184 %token T_HALT_COMPILER "__halt_compiler (T_HALT_COMPILER)" 185 %token T_CLASS "class (T_CLASS)" 186 %token T_TRAIT "trait (T_TRAIT)" 187 %token T_INTERFACE "interface (T_INTERFACE)" 188 %token T_EXTENDS "extends (T_EXTENDS)" 189 %token T_IMPLEMENTS "implements (T_IMPLEMENTS)" 190 %token T_OBJECT_OPERATOR "-> (T_OBJECT_OPERATOR)" 191 %token T_DOUBLE_ARROW "=> (T_DOUBLE_ARROW)" 192 %token T_LIST "list (T_LIST)" 193 %token T_ARRAY "array (T_ARRAY)" 194 %token T_CALLABLE "callable (T_CALLABLE)" 195 %token T_CLASS_C "__CLASS__ (T_CLASS_C)" 196 %token T_TRAIT_C "__TRAIT__ (T_TRAIT_C)" 197 %token T_METHOD_C "__METHOD__ (T_METHOD_C)" 198 %token T_FUNC_C "__FUNCTION__ (T_FUNC_C)" 199 %token T_LINE "__LINE__ (T_LINE)" 200 %token T_FILE "__FILE__ (T_FILE)" 201 %token T_COMMENT "comment (T_COMMENT)" 202 %token T_DOC_COMMENT "doc comment (T_DOC_COMMENT)" 203 %token T_OPEN_TAG "open tag (T_OPEN_TAG)" 204 %token T_OPEN_TAG_WITH_ECHO "open tag with echo (T_OPEN_TAG_WITH_ECHO)" 205 %token T_CLOSE_TAG "close tag (T_CLOSE_TAG)" 206 %token T_WHITESPACE "whitespace (T_WHITESPACE)" 207 %token T_START_HEREDOC "heredoc start (T_START_HEREDOC)" 208 %token T_END_HEREDOC "heredoc end (T_END_HEREDOC)" 209 %token T_DOLLAR_OPEN_CURLY_BRACES "${ (T_DOLLAR_OPEN_CURLY_BRACES)" 210 %token T_CURLY_OPEN "{$ (T_CURLY_OPEN)" 211 %token T_PAAMAYIM_NEKUDOTAYIM ":: (T_PAAMAYIM_NEKUDOTAYIM)" 212 %token T_NAMESPACE "namespace (T_NAMESPACE)" 213 %token T_NS_C "__NAMESPACE__ (T_NS_C)" 214 %token T_DIR "__DIR__ (T_DIR)" 215 %token T_NS_SEPARATOR "\\ (T_NS_SEPARATOR)" 216 %token T_ELLIPSIS "... (T_ELLIPSIS)" 217 %token T_POW "** (T_POW)" 218 %token T_POW_EQUAL "**= (T_POW_EQUAL)" 219 220 %% /* Rules */ 221 222 start: 223 top_statement_list { zend_do_end_compilation(TSRMLS_C); } 224 ; 225 226 top_statement_list: 227 top_statement_list { zend_do_extended_info(TSRMLS_C); } top_statement { HANDLE_INTERACTIVE(); } 228 | /* empty */ 229 ; 230 231 namespace_name: 232 T_STRING { $$ = $1; } 233 | namespace_name T_NS_SEPARATOR T_STRING { zend_do_build_namespace_name(&$$, &$1, &$3 TSRMLS_CC); } 234 ; 235 236 top_statement: 237 statement { zend_verify_namespace(TSRMLS_C); } 238 | function_declaration_statement { zend_verify_namespace(TSRMLS_C); zend_do_early_binding(TSRMLS_C); } 239 | class_declaration_statement { zend_verify_namespace(TSRMLS_C); zend_do_early_binding(TSRMLS_C); } 240 | T_HALT_COMPILER '(' ')' ';' { zend_do_halt_compiler_register(TSRMLS_C); YYACCEPT; } 241 | T_NAMESPACE namespace_name ';' { zend_do_begin_namespace(&$2, 0 TSRMLS_CC); } 242 | T_NAMESPACE namespace_name '{' { zend_do_begin_namespace(&$2, 1 TSRMLS_CC); } 243 top_statement_list '}' { zend_do_end_namespace(TSRMLS_C); } 244 | T_NAMESPACE '{' { zend_do_begin_namespace(NULL, 1 TSRMLS_CC); } 245 top_statement_list '}' { zend_do_end_namespace(TSRMLS_C); } 246 | T_USE use_declarations ';' { zend_verify_namespace(TSRMLS_C); } 247 | T_USE T_FUNCTION use_function_declarations ';' { zend_verify_namespace(TSRMLS_C); } 248 | T_USE T_CONST use_const_declarations ';' { zend_verify_namespace(TSRMLS_C); } 249 | constant_declaration ';' { zend_verify_namespace(TSRMLS_C); } 250 ; 251 252 use_declarations: 253 use_declarations ',' use_declaration 254 | use_declaration 255 ; 256 257 use_declaration: 258 namespace_name { zend_do_use(&$1, NULL TSRMLS_CC); } 259 | namespace_name T_AS T_STRING { zend_do_use(&$1, &$3 TSRMLS_CC); } 260 | T_NS_SEPARATOR namespace_name { zend_do_use(&$2, NULL TSRMLS_CC); } 261 | T_NS_SEPARATOR namespace_name T_AS T_STRING { zend_do_use(&$2, &$4 TSRMLS_CC); } 262 ; 263 264 use_function_declarations: 265 use_function_declarations ',' use_function_declaration 266 | use_function_declaration 267 ; 268 269 use_function_declaration: 270 namespace_name { zend_do_use_function(&$1, NULL TSRMLS_CC); } 271 | namespace_name T_AS T_STRING { zend_do_use_function(&$1, &$3 TSRMLS_CC); } 272 | T_NS_SEPARATOR namespace_name { zend_do_use_function(&$2, NULL TSRMLS_CC); } 273 | T_NS_SEPARATOR namespace_name T_AS T_STRING { zend_do_use_function(&$2, &$4 TSRMLS_CC); } 274 ; 275 276 use_const_declarations: 277 use_const_declarations ',' use_const_declaration 278 | use_const_declaration 279 ; 280 281 use_const_declaration: 282 namespace_name { zend_do_use_const(&$1, NULL TSRMLS_CC); } 283 | namespace_name T_AS T_STRING { zend_do_use_const(&$1, &$3 TSRMLS_CC); } 284 | T_NS_SEPARATOR namespace_name { zend_do_use_const(&$2, NULL TSRMLS_CC); } 285 | T_NS_SEPARATOR namespace_name T_AS T_STRING { zend_do_use_const(&$2, &$4 TSRMLS_CC); } 286 ; 287 288 constant_declaration: 289 constant_declaration ',' T_STRING '=' static_scalar { zend_do_declare_constant(&$3, &$5 TSRMLS_CC); } 290 | T_CONST T_STRING '=' static_scalar { zend_do_declare_constant(&$2, &$4 TSRMLS_CC); } 291 ; 292 293 inner_statement_list: 294 inner_statement_list { zend_do_extended_info(TSRMLS_C); } inner_statement { HANDLE_INTERACTIVE(); } 295 | /* empty */ 296 ; 297 298 299 inner_statement: 300 statement 301 | function_declaration_statement 302 | class_declaration_statement 303 | T_HALT_COMPILER '(' ')' ';' { zend_error_noreturn(E_COMPILE_ERROR, "__HALT_COMPILER() can only be used from the outermost scope"); } 304 ; 305 306 307 statement: 308 unticked_statement { DO_TICKS(); } 309 | T_STRING ':' { zend_do_label(&$1 TSRMLS_CC); } 310 ; 311 312 unticked_statement: 313 '{' inner_statement_list '}' 314 | T_IF parenthesis_expr { zend_do_if_cond(&$2, &$1 TSRMLS_CC); } statement { zend_do_if_after_statement(&$1, 1 TSRMLS_CC); } elseif_list else_single { zend_do_if_end(TSRMLS_C); } 315 | T_IF parenthesis_expr ':' { zend_do_if_cond(&$2, &$1 TSRMLS_CC); } inner_statement_list { zend_do_if_after_statement(&$1, 1 TSRMLS_CC); } new_elseif_list new_else_single T_ENDIF ';' { zend_do_if_end(TSRMLS_C); } 316 | T_WHILE { $1.u.op.opline_num = get_next_op_number(CG(active_op_array)); } parenthesis_expr { zend_do_while_cond(&$3, &$$ TSRMLS_CC); } while_statement { zend_do_while_end(&$1, &$4 TSRMLS_CC); } 317 | T_DO { $1.u.op.opline_num = get_next_op_number(CG(active_op_array)); zend_do_do_while_begin(TSRMLS_C); } statement T_WHILE { $4.u.op.opline_num = get_next_op_number(CG(active_op_array)); } parenthesis_expr ';' { zend_do_do_while_end(&$1, &$4, &$6 TSRMLS_CC); } 318 | T_FOR 319 '(' 320 for_expr 321 ';' { zend_do_free(&$3 TSRMLS_CC); $4.u.op.opline_num = get_next_op_number(CG(active_op_array)); } 322 for_expr 323 ';' { zend_do_extended_info(TSRMLS_C); zend_do_for_cond(&$6, &$7 TSRMLS_CC); } 324 for_expr 325 ')' { zend_do_free(&$9 TSRMLS_CC); zend_do_for_before_statement(&$4, &$7 TSRMLS_CC); } 326 for_statement { zend_do_for_end(&$7 TSRMLS_CC); } 327 | T_SWITCH parenthesis_expr { zend_do_switch_cond(&$2 TSRMLS_CC); } switch_case_list { zend_do_switch_end(&$4 TSRMLS_CC); } 328 | T_BREAK ';' { zend_do_brk_cont(ZEND_BRK, NULL TSRMLS_CC); } 329 | T_BREAK expr ';' { zend_do_brk_cont(ZEND_BRK, &$2 TSRMLS_CC); } 330 | T_CONTINUE ';' { zend_do_brk_cont(ZEND_CONT, NULL TSRMLS_CC); } 331 | T_CONTINUE expr ';' { zend_do_brk_cont(ZEND_CONT, &$2 TSRMLS_CC); } 332 | T_RETURN ';' { zend_do_return(NULL, 0 TSRMLS_CC); } 333 | T_RETURN expr_without_variable ';' { zend_do_return(&$2, 0 TSRMLS_CC); } 334 | T_RETURN variable ';' { zend_do_return(&$2, 1 TSRMLS_CC); } 335 | yield_expr ';' { zend_do_free(&$1 TSRMLS_CC); } 336 | T_GLOBAL global_var_list ';' 337 | T_STATIC static_var_list ';' 338 | T_ECHO echo_expr_list ';' 339 | T_INLINE_HTML { zend_do_echo(&$1 TSRMLS_CC); } 340 | expr ';' { zend_do_free(&$1 TSRMLS_CC); } 341 | T_UNSET '(' unset_variables ')' ';' 342 | T_FOREACH '(' variable T_AS 343 { zend_do_foreach_begin(&$1, &$2, &$3, &$4, 1 TSRMLS_CC); } 344 foreach_variable foreach_optional_arg ')' { zend_do_foreach_cont(&$1, &$2, &$4, &$6, &$7 TSRMLS_CC); } 345 foreach_statement { zend_do_foreach_end(&$1, &$4 TSRMLS_CC); } 346 | T_FOREACH '(' expr_without_variable T_AS 347 { zend_do_foreach_begin(&$1, &$2, &$3, &$4, 0 TSRMLS_CC); } 348 foreach_variable foreach_optional_arg ')' { zend_do_foreach_cont(&$1, &$2, &$4, &$6, &$7 TSRMLS_CC); } 349 foreach_statement { zend_do_foreach_end(&$1, &$4 TSRMLS_CC); } 350 | 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); } 351 | ';' /* empty statement */ 352 | T_TRY { zend_do_try(&$1 TSRMLS_CC); } '{' inner_statement_list '}' 353 catch_statement { zend_do_bind_catch(&$1, &$6 TSRMLS_CC); } 354 finally_statement { zend_do_end_finally(&$1, &$6, &$8 TSRMLS_CC); } 355 | T_THROW expr ';' { zend_do_throw(&$2 TSRMLS_CC); } 356 | T_GOTO T_STRING ';' { zend_do_goto(&$2 TSRMLS_CC); } 357 ; 358 359 catch_statement: 360 /* empty */ { $$.op_type = IS_UNUSED; } 361 | T_CATCH '(' { zend_initialize_try_catch_element(&$1 TSRMLS_CC); } 362 fully_qualified_class_name { zend_do_first_catch(&$2 TSRMLS_CC); } 363 T_VARIABLE ')' { zend_do_begin_catch(&$1, &$4, &$6, &$2 TSRMLS_CC); } 364 '{' inner_statement_list '}' { zend_do_end_catch(&$1 TSRMLS_CC); } 365 additional_catches { zend_do_mark_last_catch(&$2, &$13 TSRMLS_CC); $$ = $1;} 366 367 finally_statement: 368 /* empty */ { $$.op_type = IS_UNUSED; } 369 | T_FINALLY { zend_do_finally(&$1 TSRMLS_CC); } '{' inner_statement_list '}' { $$ = $1; } 370 ; 371 372 additional_catches: 373 non_empty_additional_catches { $$ = $1; } 374 | /* empty */ { $$.u.op.opline_num = -1; } 375 ; 376 377 non_empty_additional_catches: 378 additional_catch { $$ = $1; } 379 | non_empty_additional_catches additional_catch { $$ = $2; } 380 ; 381 382 additional_catch: 383 T_CATCH '(' fully_qualified_class_name { $$.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); } 384 ; 385 386 unset_variables: 387 unset_variable 388 | unset_variables ',' unset_variable 389 ; 390 391 unset_variable: 392 variable { zend_do_end_variable_parse(&$1, BP_VAR_UNSET, 0 TSRMLS_CC); zend_do_unset(&$1 TSRMLS_CC); } 393 ; 394 395 function_declaration_statement: 396 unticked_function_declaration_statement { DO_TICKS(); } 397 ; 398 399 class_declaration_statement: 400 unticked_class_declaration_statement { DO_TICKS(); } 401 ; 402 403 is_reference: 404 /* empty */ { $$.op_type = 0; } 405 | '&' { $$.op_type = 1; } 406 ; 407 408 is_variadic: 409 /* empty */ { $$.op_type = 0; } 410 | T_ELLIPSIS { $$.op_type = 1; } 411 ; 412 413 unticked_function_declaration_statement: 414 function is_reference T_STRING { zend_do_begin_function_declaration(&$1, &$3, 0, $2.op_type, NULL TSRMLS_CC); } 415 '(' parameter_list ')' 416 '{' inner_statement_list '}' { zend_do_end_function_declaration(&$1 TSRMLS_CC); } 417 ; 418 419 unticked_class_declaration_statement: 420 class_entry_type T_STRING extends_from 421 { zend_do_begin_class_declaration(&$1, &$2, &$3 TSRMLS_CC); } 422 implements_list 423 '{' 424 class_statement_list 425 '}' { zend_do_end_class_declaration(&$1, &$3 TSRMLS_CC); } 426 | interface_entry T_STRING 427 { zend_do_begin_class_declaration(&$1, &$2, NULL TSRMLS_CC); } 428 interface_extends_list 429 '{' 430 class_statement_list 431 '}' { zend_do_end_class_declaration(&$1, NULL TSRMLS_CC); } 432 ; 433 434 435 class_entry_type: 436 T_CLASS { $$.u.op.opline_num = CG(zend_lineno); $$.EA = 0; } 437 | T_ABSTRACT T_CLASS { $$.u.op.opline_num = CG(zend_lineno); $$.EA = ZEND_ACC_EXPLICIT_ABSTRACT_CLASS; } 438 | T_TRAIT { $$.u.op.opline_num = CG(zend_lineno); $$.EA = ZEND_ACC_TRAIT; } 439 | T_FINAL T_CLASS { $$.u.op.opline_num = CG(zend_lineno); $$.EA = ZEND_ACC_FINAL_CLASS; } 440 ; 441 442 extends_from: 443 /* empty */ { $$.op_type = IS_UNUSED; } 444 | T_EXTENDS fully_qualified_class_name { zend_do_fetch_class(&$$, &$2 TSRMLS_CC); } 445 ; 446 447 interface_entry: 448 T_INTERFACE { $$.u.op.opline_num = CG(zend_lineno); $$.EA = ZEND_ACC_INTERFACE; } 449 ; 450 451 interface_extends_list: 452 /* empty */ 453 | T_EXTENDS interface_list 454 ; 455 456 implements_list: 457 /* empty */ 458 | T_IMPLEMENTS interface_list 459 ; 460 461 interface_list: 462 fully_qualified_class_name { zend_do_implements_interface(&$1 TSRMLS_CC); } 463 | interface_list ',' fully_qualified_class_name { zend_do_implements_interface(&$3 TSRMLS_CC); } 464 ; 465 466 foreach_optional_arg: 467 /* empty */ { $$.op_type = IS_UNUSED; } 468 | T_DOUBLE_ARROW foreach_variable { $$ = $2; } 469 ; 470 471 foreach_variable: 472 variable { zend_check_writable_variable(&$1); $$ = $1; } 473 | '&' variable { zend_check_writable_variable(&$2); $$ = $2; $$.EA |= ZEND_PARSED_REFERENCE_VARIABLE; } 474 | T_LIST '(' { zend_do_list_init(TSRMLS_C); } assignment_list ')' { $$ = $1; $$.EA = ZEND_PARSED_LIST_EXPR; } 475 ; 476 477 for_statement: 478 statement 479 | ':' inner_statement_list T_ENDFOR ';' 480 ; 481 482 483 foreach_statement: 484 statement 485 | ':' inner_statement_list T_ENDFOREACH ';' 486 ; 487 488 489 declare_statement: 490 statement 491 | ':' inner_statement_list T_ENDDECLARE ';' 492 ; 493 494 495 declare_list: 496 T_STRING '=' static_scalar { zend_do_declare_stmt(&$1, &$3 TSRMLS_CC); } 497 | declare_list ',' T_STRING '=' static_scalar { zend_do_declare_stmt(&$3, &$5 TSRMLS_CC); } 498 ; 499 500 501 switch_case_list: 502 '{' case_list '}' { $$ = $2; } 503 | '{' ';' case_list '}' { $$ = $3; } 504 | ':' case_list T_ENDSWITCH ';' { $$ = $2; } 505 | ':' ';' case_list T_ENDSWITCH ';' { $$ = $3; } 506 ; 507 508 509 case_list: 510 /* empty */ { $$.op_type = IS_UNUSED; } 511 | 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; } 512 | 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; } 513 ; 514 515 516 case_separator: 517 ':' 518 | ';' 519 ; 520 521 522 while_statement: 523 statement 524 | ':' inner_statement_list T_ENDWHILE ';' 525 ; 526 527 528 529 elseif_list: 530 /* empty */ 531 | elseif_list T_ELSEIF parenthesis_expr { zend_do_if_cond(&$3, &$2 TSRMLS_CC); } statement { zend_do_if_after_statement(&$2, 0 TSRMLS_CC); } 532 ; 533 534 535 new_elseif_list: 536 /* empty */ 537 | new_elseif_list T_ELSEIF parenthesis_expr ':' { zend_do_if_cond(&$3, &$2 TSRMLS_CC); } inner_statement_list { zend_do_if_after_statement(&$2, 0 TSRMLS_CC); } 538 ; 539 540 541 else_single: 542 /* empty */ 543 | T_ELSE statement 544 ; 545 546 547 new_else_single: 548 /* empty */ 549 | T_ELSE ':' inner_statement_list 550 ; 551 552 553 parameter_list: 554 non_empty_parameter_list 555 | /* empty */ 556 ; 557 558 559 non_empty_parameter_list: 560 parameter 561 | non_empty_parameter_list ',' parameter 562 ; 563 564 parameter: 565 optional_class_type is_reference is_variadic T_VARIABLE 566 { zend_do_receive_param(ZEND_RECV, &$4, NULL, &$1, $2.op_type, $3.op_type TSRMLS_CC); } 567 | optional_class_type is_reference is_variadic T_VARIABLE '=' static_scalar 568 { zend_do_receive_param(ZEND_RECV_INIT, &$4, &$6, &$1, $2.op_type, $3.op_type TSRMLS_CC); } 569 ; 570 571 572 optional_class_type: 573 /* empty */ { $$.op_type = IS_UNUSED; } 574 | T_ARRAY { $$.op_type = IS_CONST; Z_TYPE($$.u.constant)=IS_ARRAY; } 575 | T_CALLABLE { $$.op_type = IS_CONST; Z_TYPE($$.u.constant)=IS_CALLABLE; } 576 | fully_qualified_class_name { $$ = $1; } 577 ; 578 579 580 function_call_parameter_list: 581 '(' ')' { Z_LVAL($$.u.constant) = 0; } 582 | '(' non_empty_function_call_parameter_list ')' { $$ = $2; } 583 | '(' yield_expr ')' { zend_do_pass_param(&$2, ZEND_SEND_VAL TSRMLS_CC); } 584 ; 585 586 587 non_empty_function_call_parameter_list: 588 function_call_parameter 589 | non_empty_function_call_parameter_list ',' function_call_parameter 590 ; 591 592 function_call_parameter: 593 expr_without_variable { zend_do_pass_param(&$1, ZEND_SEND_VAL TSRMLS_CC); } 594 | variable { zend_do_pass_param(&$1, ZEND_SEND_VAR TSRMLS_CC); } 595 | '&' w_variable { zend_do_pass_param(&$2, ZEND_SEND_REF TSRMLS_CC); } 596 | T_ELLIPSIS expr { zend_do_unpack_params(&$2 TSRMLS_CC); } 597 ; 598 599 global_var_list: 600 global_var_list ',' global_var { zend_do_fetch_global_variable(&$3, NULL, ZEND_FETCH_GLOBAL_LOCK TSRMLS_CC); } 601 | global_var { zend_do_fetch_global_variable(&$1, NULL, ZEND_FETCH_GLOBAL_LOCK TSRMLS_CC); } 602 ; 603 604 605 global_var: 606 T_VARIABLE { $$ = $1; } 607 | '$' r_variable { $$ = $2; } 608 | '$' '{' expr '}' { $$ = $3; } 609 ; 610 611 612 static_var_list: 613 static_var_list ',' T_VARIABLE { zend_do_fetch_static_variable(&$3, NULL, ZEND_FETCH_STATIC TSRMLS_CC); } 614 | static_var_list ',' T_VARIABLE '=' static_scalar { zend_do_fetch_static_variable(&$3, &$5, ZEND_FETCH_STATIC TSRMLS_CC); } 615 | T_VARIABLE { zend_do_fetch_static_variable(&$1, NULL, ZEND_FETCH_STATIC TSRMLS_CC); } 616 | T_VARIABLE '=' static_scalar { zend_do_fetch_static_variable(&$1, &$3, ZEND_FETCH_STATIC TSRMLS_CC); } 617 618 ; 619 620 621 class_statement_list: 622 class_statement_list class_statement 623 | /* empty */ 624 ; 625 626 627 class_statement: 628 variable_modifiers { CG(access_type) = Z_LVAL($1.u.constant); } class_variable_declaration ';' 629 | class_constant_declaration ';' 630 | trait_use_statement 631 | method_modifiers function is_reference T_STRING { zend_do_begin_function_declaration(&$2, &$4, 1, $3.op_type, &$1 TSRMLS_CC); } 632 '(' parameter_list ')' 633 method_body { zend_do_abstract_method(&$4, &$1, &$9 TSRMLS_CC); zend_do_end_function_declaration(&$2 TSRMLS_CC); } 634 ; 635 636 trait_use_statement: 637 T_USE trait_list trait_adaptations 638 ; 639 640 trait_list: 641 fully_qualified_class_name { zend_do_use_trait(&$1 TSRMLS_CC); } 642 | trait_list ',' fully_qualified_class_name { zend_do_use_trait(&$3 TSRMLS_CC); } 643 ; 644 645 trait_adaptations: 646 ';' 647 | '{' trait_adaptation_list '}' 648 ; 649 650 trait_adaptation_list: 651 /* empty */ 652 | non_empty_trait_adaptation_list 653 ; 654 655 non_empty_trait_adaptation_list: 656 trait_adaptation_statement 657 | non_empty_trait_adaptation_list trait_adaptation_statement 658 ; 659 660 trait_adaptation_statement: 661 trait_precedence ';' 662 | trait_alias ';' 663 ; 664 665 trait_precedence: 666 trait_method_reference_fully_qualified T_INSTEADOF trait_reference_list { zend_add_trait_precedence(&$1, &$3 TSRMLS_CC); } 667 ; 668 669 trait_reference_list: 670 fully_qualified_class_name { zend_resolve_class_name(&$1 TSRMLS_CC); zend_init_list(&$$.u.op.ptr, Z_STRVAL($1.u.constant) TSRMLS_CC); } 671 | trait_reference_list ',' fully_qualified_class_name { zend_resolve_class_name(&$3 TSRMLS_CC); zend_add_to_list(&$1.u.op.ptr, Z_STRVAL($3.u.constant) TSRMLS_CC); $$ = $1; } 672 ; 673 674 trait_method_reference: 675 T_STRING { zend_prepare_reference(&$$, NULL, &$1 TSRMLS_CC); } 676 | trait_method_reference_fully_qualified { $$ = $1; } 677 ; 678 679 trait_method_reference_fully_qualified: 680 fully_qualified_class_name T_PAAMAYIM_NEKUDOTAYIM T_STRING { zend_prepare_reference(&$$, &$1, &$3 TSRMLS_CC); } 681 ; 682 683 trait_alias: 684 trait_method_reference T_AS trait_modifiers T_STRING { zend_add_trait_alias(&$1, &$3, &$4 TSRMLS_CC); } 685 | trait_method_reference T_AS member_modifier { zend_add_trait_alias(&$1, &$3, NULL TSRMLS_CC); } 686 ; 687 688 trait_modifiers: 689 /* empty */ { Z_LVAL($$.u.constant) = 0x0; } /* No change of methods visibility */ 690 | member_modifier { $$ = $1; } /* REM: Keep in mind, there are not only visibility modifiers */ 691 ; 692 693 method_body: 694 ';' /* abstract method */ { Z_LVAL($$.u.constant) = ZEND_ACC_ABSTRACT; } 695 | '{' inner_statement_list '}' { Z_LVAL($$.u.constant) = 0; } 696 ; 697 698 variable_modifiers: 699 non_empty_member_modifiers { $$ = $1; } 700 | T_VAR { Z_LVAL($$.u.constant) = ZEND_ACC_PUBLIC; } 701 ; 702 703 method_modifiers: 704 /* empty */ { Z_LVAL($$.u.constant) = ZEND_ACC_PUBLIC; } 705 | non_empty_member_modifiers { $$ = $1; if (!(Z_LVAL($$.u.constant) & ZEND_ACC_PPP_MASK)) { Z_LVAL($$.u.constant) |= ZEND_ACC_PUBLIC; } } 706 ; 707 708 non_empty_member_modifiers: 709 member_modifier { $$ = $1; } 710 | non_empty_member_modifiers member_modifier { Z_LVAL($$.u.constant) = zend_do_verify_access_types(&$1, &$2); } 711 ; 712 713 member_modifier: 714 T_PUBLIC { Z_LVAL($$.u.constant) = ZEND_ACC_PUBLIC; } 715 | T_PROTECTED { Z_LVAL($$.u.constant) = ZEND_ACC_PROTECTED; } 716 | T_PRIVATE { Z_LVAL($$.u.constant) = ZEND_ACC_PRIVATE; } 717 | T_STATIC { Z_LVAL($$.u.constant) = ZEND_ACC_STATIC; } 718 | T_ABSTRACT { Z_LVAL($$.u.constant) = ZEND_ACC_ABSTRACT; } 719 | T_FINAL { Z_LVAL($$.u.constant) = ZEND_ACC_FINAL; } 720 ; 721 722 class_variable_declaration: 723 class_variable_declaration ',' T_VARIABLE { zend_do_declare_property(&$3, NULL, CG(access_type) TSRMLS_CC); } 724 | class_variable_declaration ',' T_VARIABLE '=' static_scalar { zend_do_declare_property(&$3, &$5, CG(access_type) TSRMLS_CC); } 725 | T_VARIABLE { zend_do_declare_property(&$1, NULL, CG(access_type) TSRMLS_CC); } 726 | T_VARIABLE '=' static_scalar { zend_do_declare_property(&$1, &$3, CG(access_type) TSRMLS_CC); } 727 ; 728 729 class_constant_declaration: 730 class_constant_declaration ',' T_STRING '=' static_scalar { zend_do_declare_class_constant(&$3, &$5 TSRMLS_CC); } 731 | T_CONST T_STRING '=' static_scalar { zend_do_declare_class_constant(&$2, &$4 TSRMLS_CC); } 732 ; 733 734 echo_expr_list: 735 echo_expr_list ',' expr { zend_do_echo(&$3 TSRMLS_CC); } 736 | expr { zend_do_echo(&$1 TSRMLS_CC); } 737 ; 738 739 740 for_expr: 741 /* empty */ { $$.op_type = IS_CONST; Z_TYPE($$.u.constant) = IS_BOOL; Z_LVAL($$.u.constant) = 1; } 742 | non_empty_for_expr { $$ = $1; } 743 ; 744 745 non_empty_for_expr: 746 non_empty_for_expr ',' { zend_do_free(&$1 TSRMLS_CC); } expr { $$ = $4; } 747 | expr { $$ = $1; } 748 ; 749 750 chaining_method_or_property: 751 chaining_method_or_property variable_property { $$.EA = $2.EA; } 752 | variable_property { $$.EA = $1.EA; } 753 ; 754 755 chaining_dereference: 756 chaining_dereference '[' dim_offset ']' { fetch_array_dim(&$$, &$1, &$3 TSRMLS_CC); } 757 | '[' dim_offset ']' { zend_do_pop_object(&$1 TSRMLS_CC); fetch_array_dim(&$$, &$1, &$2 TSRMLS_CC); } 758 ; 759 760 chaining_instance_call: 761 chaining_dereference { zend_do_push_object(&$1 TSRMLS_CC); } chaining_method_or_property { $$ = $3; } 762 | chaining_dereference { zend_do_push_object(&$1 TSRMLS_CC); $$ = $1; } 763 | chaining_method_or_property { $$ = $1; } 764 ; 765 766 instance_call: 767 /* empty */ { $$ = $0; } 768 | { zend_do_push_object(&$0 TSRMLS_CC); zend_do_begin_variable_parse(TSRMLS_C); } 769 chaining_instance_call { zend_do_pop_object(&$$ TSRMLS_CC); zend_do_end_variable_parse(&$2, BP_VAR_R, 0 TSRMLS_CC); } 770 ; 771 772 new_expr: 773 T_NEW class_name_reference { zend_do_extended_fcall_begin(TSRMLS_C); zend_do_begin_new_object(&$1, &$2 TSRMLS_CC); } ctor_arguments { zend_do_end_new_object(&$$, &$1 TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C);} 774 ; 775 776 expr_without_variable: 777 T_LIST '(' { zend_do_list_init(TSRMLS_C); } assignment_list ')' '=' expr { zend_do_list_end(&$$, &$7 TSRMLS_CC); } 778 | variable '=' expr { zend_check_writable_variable(&$1); zend_do_assign(&$$, &$1, &$3 TSRMLS_CC); } 779 | 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(&$$, &$1, &$4 TSRMLS_CC); } 780 | variable '=' '&' T_NEW class_name_reference { zend_error(E_DEPRECATED, "Assigning the return value of new by reference is deprecated"); zend_check_writable_variable(&$1); zend_do_extended_fcall_begin(TSRMLS_C); zend_do_begin_new_object(&$4, &$5 TSRMLS_CC); } ctor_arguments { zend_do_end_new_object(&$3, &$4 TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C); zend_do_end_variable_parse(&$1, BP_VAR_W, 0 TSRMLS_CC); $3.EA = ZEND_PARSED_NEW; zend_do_assign_ref(&$$, &$1, &$3 TSRMLS_CC); } 781 | T_CLONE expr { zend_do_clone(&$$, &$2 TSRMLS_CC); } 782 | variable T_PLUS_EQUAL expr { zend_check_writable_variable(&$1); zend_do_end_variable_parse(&$1, BP_VAR_RW, 0 TSRMLS_CC); zend_do_binary_assign_op(ZEND_ASSIGN_ADD, &$$, &$1, &$3 TSRMLS_CC); } 783 | 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, &$$, &$1, &$3 TSRMLS_CC); } 784 | variable T_MUL_EQUAL expr { zend_check_writable_variable(&$1); zend_do_end_variable_parse(&$1, BP_VAR_RW, 0 TSRMLS_CC); zend_do_binary_assign_op(ZEND_ASSIGN_MUL, &$$, &$1, &$3 TSRMLS_CC); } 785 | variable T_POW_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_POW, &$$, &$1, &$3 TSRMLS_CC); } 786 | variable T_DIV_EQUAL expr { zend_check_writable_variable(&$1); zend_do_end_variable_parse(&$1, BP_VAR_RW, 0 TSRMLS_CC); zend_do_binary_assign_op(ZEND_ASSIGN_DIV, &$$, &$1, &$3 TSRMLS_CC); } 787 | 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, &$$, &$1, &$3 TSRMLS_CC); } 788 | variable T_MOD_EQUAL expr { zend_check_writable_variable(&$1); zend_do_end_variable_parse(&$1, BP_VAR_RW, 0 TSRMLS_CC); zend_do_binary_assign_op(ZEND_ASSIGN_MOD, &$$, &$1, &$3 TSRMLS_CC); } 789 | 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, &$$, &$1, &$3 TSRMLS_CC); } 790 | variable T_OR_EQUAL expr { zend_check_writable_variable(&$1); zend_do_end_variable_parse(&$1, BP_VAR_RW, 0 TSRMLS_CC); zend_do_binary_assign_op(ZEND_ASSIGN_BW_OR, &$$, &$1, &$3 TSRMLS_CC); } 791 | 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, &$$, &$1, &$3 TSRMLS_CC); } 792 | variable T_SL_EQUAL expr { zend_check_writable_variable(&$1); zend_do_end_variable_parse(&$1, BP_VAR_RW, 0 TSRMLS_CC); zend_do_binary_assign_op(ZEND_ASSIGN_SL, &$$, &$1, &$3 TSRMLS_CC); } 793 | 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, &$$, &$1, &$3 TSRMLS_CC); } 794 | rw_variable T_INC { zend_do_post_incdec(&$$, &$1, ZEND_POST_INC TSRMLS_CC); } 795 | T_INC rw_variable { zend_do_pre_incdec(&$$, &$2, ZEND_PRE_INC TSRMLS_CC); } 796 | rw_variable T_DEC { zend_do_post_incdec(&$$, &$1, ZEND_POST_DEC TSRMLS_CC); } 797 | T_DEC rw_variable { zend_do_pre_incdec(&$$, &$2, ZEND_PRE_DEC TSRMLS_CC); } 798 | expr T_BOOLEAN_OR { zend_do_boolean_or_begin(&$1, &$2 TSRMLS_CC); } expr { zend_do_boolean_or_end(&$$, &$1, &$4, &$2 TSRMLS_CC); } 799 | expr T_BOOLEAN_AND { zend_do_boolean_and_begin(&$1, &$2 TSRMLS_CC); } expr { zend_do_boolean_and_end(&$$, &$1, &$4, &$2 TSRMLS_CC); } 800 | expr T_LOGICAL_OR { zend_do_boolean_or_begin(&$1, &$2 TSRMLS_CC); } expr { zend_do_boolean_or_end(&$$, &$1, &$4, &$2 TSRMLS_CC); } 801 | expr T_LOGICAL_AND { zend_do_boolean_and_begin(&$1, &$2 TSRMLS_CC); } expr { zend_do_boolean_and_end(&$$, &$1, &$4, &$2 TSRMLS_CC); } 802 | expr T_LOGICAL_XOR expr { zend_do_binary_op(ZEND_BOOL_XOR, &$$, &$1, &$3 TSRMLS_CC); } 803 | expr '|' expr { zend_do_binary_op(ZEND_BW_OR, &$$, &$1, &$3 TSRMLS_CC); } 804 | expr '&' expr { zend_do_binary_op(ZEND_BW_AND, &$$, &$1, &$3 TSRMLS_CC); } 805 | expr '^' expr { zend_do_binary_op(ZEND_BW_XOR, &$$, &$1, &$3 TSRMLS_CC); } 806 | expr '.' expr { zend_do_binary_op(ZEND_CONCAT, &$$, &$1, &$3 TSRMLS_CC); } 807 | expr '+' expr { zend_do_binary_op(ZEND_ADD, &$$, &$1, &$3 TSRMLS_CC); } 808 | expr '-' expr { zend_do_binary_op(ZEND_SUB, &$$, &$1, &$3 TSRMLS_CC); } 809 | expr '*' expr { zend_do_binary_op(ZEND_MUL, &$$, &$1, &$3 TSRMLS_CC); } 810 | expr T_POW expr { zend_do_binary_op(ZEND_POW, &$$, &$1, &$3 TSRMLS_CC); } 811 | expr '/' expr { zend_do_binary_op(ZEND_DIV, &$$, &$1, &$3 TSRMLS_CC); } 812 | expr '%' expr { zend_do_binary_op(ZEND_MOD, &$$, &$1, &$3 TSRMLS_CC); } 813 | expr T_SL expr { zend_do_binary_op(ZEND_SL, &$$, &$1, &$3 TSRMLS_CC); } 814 | expr T_SR expr { zend_do_binary_op(ZEND_SR, &$$, &$1, &$3 TSRMLS_CC); } 815 | '+' 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); } } 816 | '-' 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); } } 817 | '!' expr { zend_do_unary_op(ZEND_BOOL_NOT, &$$, &$2 TSRMLS_CC); } 818 | '~' expr { zend_do_unary_op(ZEND_BW_NOT, &$$, &$2 TSRMLS_CC); } 819 | expr T_IS_IDENTICAL expr { zend_do_binary_op(ZEND_IS_IDENTICAL, &$$, &$1, &$3 TSRMLS_CC); } 820 | expr T_IS_NOT_IDENTICAL expr { zend_do_binary_op(ZEND_IS_NOT_IDENTICAL, &$$, &$1, &$3 TSRMLS_CC); } 821 | expr T_IS_EQUAL expr { zend_do_binary_op(ZEND_IS_EQUAL, &$$, &$1, &$3 TSRMLS_CC); } 822 | expr T_IS_NOT_EQUAL expr { zend_do_binary_op(ZEND_IS_NOT_EQUAL, &$$, &$1, &$3 TSRMLS_CC); } 823 | expr '<' expr { zend_do_binary_op(ZEND_IS_SMALLER, &$$, &$1, &$3 TSRMLS_CC); } 824 | expr T_IS_SMALLER_OR_EQUAL expr { zend_do_binary_op(ZEND_IS_SMALLER_OR_EQUAL, &$$, &$1, &$3 TSRMLS_CC); } 825 | expr '>' expr { zend_do_binary_op(ZEND_IS_SMALLER, &$$, &$3, &$1 TSRMLS_CC); } 826 | expr T_IS_GREATER_OR_EQUAL expr { zend_do_binary_op(ZEND_IS_SMALLER_OR_EQUAL, &$$, &$3, &$1 TSRMLS_CC); } 827 | expr T_INSTANCEOF class_name_reference { zend_do_instanceof(&$$, &$1, &$3, 0 TSRMLS_CC); } 828 | parenthesis_expr { $$ = $1; } 829 | new_expr { $$ = $1; } 830 | '(' new_expr ')' { $$ = $2; } instance_call { $$ = $5; } 831 | expr '?' { zend_do_begin_qm_op(&$1, &$2 TSRMLS_CC); } 832 expr ':' { zend_do_qm_true(&$4, &$2, &$5 TSRMLS_CC); } 833 expr { zend_do_qm_false(&$$, &$7, &$2, &$5 TSRMLS_CC); } 834 | expr '?' ':' { zend_do_jmp_set(&$1, &$2, &$3 TSRMLS_CC); } 835 expr { zend_do_jmp_set_else(&$$, &$5, &$2, &$3 TSRMLS_CC); } 836 | internal_functions_in_yacc { $$ = $1; } 837 | T_INT_CAST expr { zend_do_cast(&$$, &$2, IS_LONG TSRMLS_CC); } 838 | T_DOUBLE_CAST expr { zend_do_cast(&$$, &$2, IS_DOUBLE TSRMLS_CC); } 839 | T_STRING_CAST expr { zend_do_cast(&$$, &$2, IS_STRING TSRMLS_CC); } 840 | T_ARRAY_CAST expr { zend_do_cast(&$$, &$2, IS_ARRAY TSRMLS_CC); } 841 | T_OBJECT_CAST expr { zend_do_cast(&$$, &$2, IS_OBJECT TSRMLS_CC); } 842 | T_BOOL_CAST expr { zend_do_cast(&$$, &$2, IS_BOOL TSRMLS_CC); } 843 | T_UNSET_CAST expr { zend_do_cast(&$$, &$2, IS_NULL TSRMLS_CC); } 844 | T_EXIT exit_expr { zend_do_exit(&$$, &$2 TSRMLS_CC); } 845 | '@' { zend_do_begin_silence(&$1 TSRMLS_CC); } expr { zend_do_end_silence(&$1 TSRMLS_CC); $$ = $3; } 846 | scalar { $$ = $1; } 847 | combined_scalar_offset { zend_do_end_variable_parse(&$1, BP_VAR_R, 0 TSRMLS_CC); } 848 | combined_scalar { $$ = $1; } 849 | '`' backticks_expr '`' { zend_do_shell_exec(&$$, &$2 TSRMLS_CC); } 850 | T_PRINT expr { zend_do_print(&$$, &$2 TSRMLS_CC); } 851 | T_YIELD { zend_do_yield(&$$, NULL, NULL, 0 TSRMLS_CC); } 852 | function is_reference { zend_do_begin_lambda_function_declaration(&$$, &$1, $2.op_type, 0 TSRMLS_CC); } 853 '(' parameter_list ')' lexical_vars 854 '{' inner_statement_list '}' { zend_do_end_function_declaration(&$1 TSRMLS_CC); $$ = $3; } 855 | T_STATIC function is_reference { zend_do_begin_lambda_function_declaration(&$$, &$2, $3.op_type, 1 TSRMLS_CC); } 856 '(' parameter_list ')' lexical_vars 857 '{' inner_statement_list '}' { zend_do_end_function_declaration(&$2 TSRMLS_CC); $$ = $4; } 858 ; 859 860 yield_expr: 861 T_YIELD expr_without_variable { zend_do_yield(&$$, &$2, NULL, 0 TSRMLS_CC); } 862 | T_YIELD variable { zend_do_yield(&$$, &$2, NULL, 1 TSRMLS_CC); } 863 | T_YIELD expr T_DOUBLE_ARROW expr_without_variable { zend_do_yield(&$$, &$4, &$2, 0 TSRMLS_CC); } 864 | T_YIELD expr T_DOUBLE_ARROW variable { zend_do_yield(&$$, &$4, &$2, 1 TSRMLS_CC); } 865 ; 866 867 combined_scalar_offset: 868 combined_scalar '[' dim_offset ']' { zend_do_begin_variable_parse(TSRMLS_C); fetch_array_dim(&$$, &$1, &$3 TSRMLS_CC); } 869 | combined_scalar_offset '[' dim_offset ']' { fetch_array_dim(&$$, &$1, &$3 TSRMLS_CC); } 870 | T_CONSTANT_ENCAPSED_STRING '[' dim_offset ']' { $1.EA = 0; zend_do_begin_variable_parse(TSRMLS_C); fetch_array_dim(&$$, &$1, &$3 TSRMLS_CC); } 871 | general_constant '[' dim_offset ']' { zend_do_begin_variable_parse(TSRMLS_C); fetch_array_dim(&$$, &$1, &$3 TSRMLS_CC); } 872 ; 873 874 combined_scalar: 875 T_ARRAY '(' array_pair_list ')' { $$ = $3; } 876 | '[' array_pair_list ']' { $$ = $2; } 877 ; 878 879 function: 880 T_FUNCTION { $$.u.op.opline_num = CG(zend_lineno); } 881 ; 882 883 lexical_vars: 884 /* empty */ 885 | T_USE '(' lexical_var_list ')' 886 ; 887 888 lexical_var_list: 889 lexical_var_list ',' T_VARIABLE { zend_do_fetch_lexical_variable(&$3, 0 TSRMLS_CC); } 890 | lexical_var_list ',' '&' T_VARIABLE { zend_do_fetch_lexical_variable(&$4, 1 TSRMLS_CC); } 891 | T_VARIABLE { zend_do_fetch_lexical_variable(&$1, 0 TSRMLS_CC); } 892 | '&' T_VARIABLE { zend_do_fetch_lexical_variable(&$2, 1 TSRMLS_CC); } 893 ; 894 895 function_call: 896 namespace_name { $$.u.op.opline_num = zend_do_begin_function_call(&$1, 1 TSRMLS_CC); } 897 function_call_parameter_list { zend_do_end_function_call(&$1, &$$, 0, $2.u.op.opline_num TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C); } 898 | T_NAMESPACE T_NS_SEPARATOR namespace_name { $1.op_type = IS_CONST; ZVAL_EMPTY_STRING(&$1.u.constant); zend_do_build_namespace_name(&$1, &$1, &$3 TSRMLS_CC); $$.u.op.opline_num = zend_do_begin_function_call(&$1, 0 TSRMLS_CC); } 899 function_call_parameter_list { zend_do_end_function_call(&$1, &$$, 0, $4.u.op.opline_num TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C); } 900 | T_NS_SEPARATOR namespace_name { $$.u.op.opline_num = zend_do_begin_function_call(&$2, 0 TSRMLS_CC); } 901 function_call_parameter_list { zend_do_end_function_call(&$2, &$$, 0, $3.u.op.opline_num TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C); } 902 | class_name T_PAAMAYIM_NEKUDOTAYIM variable_name { $$.u.op.opline_num = zend_do_begin_class_member_function_call(&$1, &$3 TSRMLS_CC); } 903 function_call_parameter_list { zend_do_end_function_call($4.u.op.opline_num?NULL:&$3, &$$, $4.u.op.opline_num, $4.u.op.opline_num TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C);} 904 | class_name T_PAAMAYIM_NEKUDOTAYIM variable_without_objects { zend_do_end_variable_parse(&$3, BP_VAR_R, 0 TSRMLS_CC); zend_do_begin_class_member_function_call(&$1, &$3 TSRMLS_CC); } 905 function_call_parameter_list { zend_do_end_function_call(NULL, &$$, 1, 1 TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C);} 906 | variable_class_name T_PAAMAYIM_NEKUDOTAYIM variable_name { zend_do_begin_class_member_function_call(&$1, &$3 TSRMLS_CC); } 907 function_call_parameter_list { zend_do_end_function_call(NULL, &$$, 1, 1 TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C);} 908 | variable_class_name T_PAAMAYIM_NEKUDOTAYIM variable_without_objects { zend_do_end_variable_parse(&$3, BP_VAR_R, 0 TSRMLS_CC); zend_do_begin_class_member_function_call(&$1, &$3 TSRMLS_CC); } 909 function_call_parameter_list { zend_do_end_function_call(NULL, &$$, 1, 1 TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C);} 910 | 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); } 911 function_call_parameter_list { zend_do_end_function_call(&$1, &$$, 0, 1 TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C);} 912 ; 913 914 class_name: 915 T_STATIC { $$.op_type = IS_CONST; ZVAL_STRINGL(&$$.u.constant, "static", sizeof("static")-1, 1);} 916 | namespace_name { $$ = $1; } 917 | T_NAMESPACE T_NS_SEPARATOR namespace_name { $$.op_type = IS_CONST; ZVAL_EMPTY_STRING(&$$.u.constant); zend_do_build_namespace_name(&$$, &$$, &$3 TSRMLS_CC); } 918 | 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); $$ = $2; } 919 ; 920 921 fully_qualified_class_name: 922 namespace_name { $$ = $1; } 923 | T_NAMESPACE T_NS_SEPARATOR namespace_name { $$.op_type = IS_CONST; ZVAL_EMPTY_STRING(&$$.u.constant); zend_do_build_namespace_name(&$$, &$$, &$3 TSRMLS_CC); } 924 | 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); $$ = $2; } 925 ; 926 927 928 929 class_name_reference: 930 class_name { zend_do_fetch_class(&$$, &$1 TSRMLS_CC); } 931 | dynamic_class_name_reference { zend_do_end_variable_parse(&$1, BP_VAR_R, 0 TSRMLS_CC); zend_do_fetch_class(&$$, &$1 TSRMLS_CC); } 932 ; 933 934 935 dynamic_class_name_reference: 936 base_variable T_OBJECT_OPERATOR { zend_do_push_object(&$1 TSRMLS_CC); } 937 object_property { zend_do_push_object(&$4 TSRMLS_CC); } dynamic_class_name_variable_properties 938 { zend_do_pop_object(&$$ TSRMLS_CC); $$.EA = ZEND_PARSED_MEMBER; } 939 | base_variable { $$ = $1; } 940 ; 941 942 943 dynamic_class_name_variable_properties: 944 dynamic_class_name_variable_properties dynamic_class_name_variable_property 945 | /* empty */ 946 ; 947 948 949 dynamic_class_name_variable_property: 950 T_OBJECT_OPERATOR object_property { zend_do_push_object(&$2 TSRMLS_CC); } 951 ; 952 953 exit_expr: 954 /* empty */ { memset(&$$, 0, sizeof(znode)); $$.op_type = IS_UNUSED; } 955 | '(' ')' { memset(&$$, 0, sizeof(znode)); $$.op_type = IS_UNUSED; } 956 | parenthesis_expr { $$ = $1; } 957 ; 958 959 backticks_expr: 960 /* empty */ { ZVAL_EMPTY_STRING(&$$.u.constant); INIT_PZVAL(&$$.u.constant); $$.op_type = IS_CONST; } 961 | T_ENCAPSED_AND_WHITESPACE { $$ = $1; } 962 | encaps_list { $$ = $1; } 963 ; 964 965 966 ctor_arguments: 967 /* empty */ { Z_LVAL($$.u.constant) = 0; } 968 | function_call_parameter_list { $$ = $1; } 969 ; 970 971 972 common_scalar: 973 T_LNUMBER { $$ = $1; } 974 | T_DNUMBER { $$ = $1; } 975 | T_CONSTANT_ENCAPSED_STRING { $$ = $1; } 976 | T_LINE { $$ = $1; } 977 | T_FILE { $$ = $1; } 978 | T_DIR { $$ = $1; } 979 | T_TRAIT_C { $$ = $1; } 980 | T_METHOD_C { $$ = $1; } 981 | T_FUNC_C { $$ = $1; } 982 | T_NS_C { $$ = $1; } 983 | T_START_HEREDOC T_ENCAPSED_AND_WHITESPACE T_END_HEREDOC { $$ = $2; } 984 | T_START_HEREDOC T_END_HEREDOC { ZVAL_EMPTY_STRING(&$$.u.constant); INIT_PZVAL(&$$.u.constant); $$.op_type = IS_CONST; } 985 ; 986 987 static_class_constant: 988 class_name T_PAAMAYIM_NEKUDOTAYIM T_STRING { zend_do_fetch_constant(&$$, &$1, &$3, ZEND_CT, 0 TSRMLS_CC); } 989 ; 990 991 static_scalar: /* compile-time evaluated scalars */ 992 static_scalar_value { zend_do_constant_expression(&$$, $1.u.ast TSRMLS_CC); } 993 ; 994 995 static_scalar_value: 996 common_scalar { $$.u.ast = zend_ast_create_constant(&$1.u.constant); } 997 | static_class_name_scalar { $$.u.ast = zend_ast_create_constant(&$1.u.constant); } 998 | namespace_name { zend_do_fetch_constant(&$$, NULL, &$1, ZEND_CT, 1 TSRMLS_CC); $$.u.ast = zend_ast_create_constant(&$$.u.constant); } 999 | T_NAMESPACE T_NS_SEPARATOR namespace_name { $$.op_type = IS_CONST; ZVAL_EMPTY_STRING(&$$.u.constant); zend_do_build_namespace_name(&$$, &$$, &$3 TSRMLS_CC); $3 = $$; zend_do_fetch_constant(&$$, NULL, &$3, ZEND_CT, 0 TSRMLS_CC); $$.u.ast = zend_ast_create_constant(&$$.u.constant); } 1000 | T_NS_SEPARATOR namespace_name { char *tmp = estrndup(Z_STRVAL($2.u.constant), Z_STRLEN($2.u.constant)+1); memcpy(&(tmp[1]), Z_STRVAL($2.u.constant), Z_STRLEN($2.u.constant)+1); tmp[0] = '\\'; efree(Z_STRVAL($2.u.constant)); Z_STRVAL($2.u.constant) = tmp; ++Z_STRLEN($2.u.constant); zend_do_fetch_constant(&$$, NULL, &$2, ZEND_CT, 0 TSRMLS_CC); $$.u.ast = zend_ast_create_constant(&$$.u.constant); } 1001 | T_ARRAY '(' static_array_pair_list ')' { $$ = $3; } 1002 | '[' static_array_pair_list ']' { $$ = $2; } 1003 | static_class_constant { $$.u.ast = zend_ast_create_constant(&$1.u.constant); } 1004 | T_CLASS_C { $$.u.ast = zend_ast_create_constant(&$1.u.constant); } 1005 | static_operation { $$ = $1; } 1006 ; 1007 1008 static_operation: 1009 static_scalar_value '[' static_scalar_value ']' { $$.u.ast = zend_ast_create_binary(ZEND_FETCH_DIM_R, $1.u.ast, $3.u.ast); } 1010 | static_scalar_value '+' static_scalar_value { $$.u.ast = zend_ast_create_binary(ZEND_ADD, $1.u.ast, $3.u.ast); } 1011 | static_scalar_value '-' static_scalar_value { $$.u.ast = zend_ast_create_binary(ZEND_SUB, $1.u.ast, $3.u.ast); } 1012 | static_scalar_value '*' static_scalar_value { $$.u.ast = zend_ast_create_binary(ZEND_MUL, $1.u.ast, $3.u.ast); } 1013 | static_scalar_value T_POW static_scalar_value { $$.u.ast = zend_ast_create_binary(ZEND_POW, $1.u.ast, $3.u.ast); } 1014 | static_scalar_value '/' static_scalar_value { $$.u.ast = zend_ast_create_binary(ZEND_DIV, $1.u.ast, $3.u.ast); } 1015 | static_scalar_value '%' static_scalar_value { $$.u.ast = zend_ast_create_binary(ZEND_MOD, $1.u.ast, $3.u.ast); } 1016 | '!' static_scalar_value { $$.u.ast = zend_ast_create_unary(ZEND_BOOL_NOT, $2.u.ast); } 1017 | '~' static_scalar_value { $$.u.ast = zend_ast_create_unary(ZEND_BW_NOT, $2.u.ast); } 1018 | static_scalar_value '|' static_scalar_value { $$.u.ast = zend_ast_create_binary(ZEND_BW_OR, $1.u.ast, $3.u.ast); } 1019 | static_scalar_value '&' static_scalar_value { $$.u.ast = zend_ast_create_binary(ZEND_BW_AND, $1.u.ast, $3.u.ast); } 1020 | static_scalar_value '^' static_scalar_value { $$.u.ast = zend_ast_create_binary(ZEND_BW_XOR, $1.u.ast, $3.u.ast); } 1021 | static_scalar_value T_SL static_scalar_value { $$.u.ast = zend_ast_create_binary(ZEND_SL, $1.u.ast, $3.u.ast); } 1022 | static_scalar_value T_SR static_scalar_value { $$.u.ast = zend_ast_create_binary(ZEND_SR, $1.u.ast, $3.u.ast); } 1023 | static_scalar_value '.' static_scalar_value { $$.u.ast = zend_ast_create_binary(ZEND_CONCAT, $1.u.ast, $3.u.ast); } 1024 | static_scalar_value T_LOGICAL_XOR static_scalar_value { $$.u.ast = zend_ast_create_binary(ZEND_BOOL_XOR, $1.u.ast, $3.u.ast); } 1025 | static_scalar_value T_LOGICAL_AND static_scalar_value { $$.u.ast = zend_ast_create_binary(ZEND_BOOL_AND, $1.u.ast, $3.u.ast); } 1026 | static_scalar_value T_LOGICAL_OR static_scalar_value { $$.u.ast = zend_ast_create_binary(ZEND_BOOL_OR, $1.u.ast, $3.u.ast); } 1027 | static_scalar_value T_BOOLEAN_AND static_scalar_value { $$.u.ast = zend_ast_create_binary(ZEND_BOOL_AND, $1.u.ast, $3.u.ast); } 1028 | static_scalar_value T_BOOLEAN_OR static_scalar_value { $$.u.ast = zend_ast_create_binary(ZEND_BOOL_OR, $1.u.ast, $3.u.ast); } 1029 | static_scalar_value T_IS_IDENTICAL static_scalar_value { $$.u.ast = zend_ast_create_binary(ZEND_IS_IDENTICAL, $1.u.ast, $3.u.ast); } 1030 | static_scalar_value T_IS_NOT_IDENTICAL static_scalar_value { $$.u.ast = zend_ast_create_binary(ZEND_IS_NOT_IDENTICAL, $1.u.ast, $3.u.ast); } 1031 | static_scalar_value T_IS_EQUAL static_scalar_value { $$.u.ast = zend_ast_create_binary(ZEND_IS_EQUAL, $1.u.ast, $3.u.ast); } 1032 | static_scalar_value T_IS_NOT_EQUAL static_scalar_value { $$.u.ast = zend_ast_create_binary(ZEND_IS_NOT_EQUAL, $1.u.ast, $3.u.ast); } 1033 | static_scalar_value '<' static_scalar_value { $$.u.ast = zend_ast_create_binary(ZEND_IS_SMALLER, $1.u.ast, $3.u.ast); } 1034 | static_scalar_value '>' static_scalar_value { $$.u.ast = zend_ast_create_binary(ZEND_IS_SMALLER, $3.u.ast, $1.u.ast); } 1035 | static_scalar_value T_IS_SMALLER_OR_EQUAL static_scalar_value { $$.u.ast = zend_ast_create_binary(ZEND_IS_SMALLER_OR_EQUAL, $1.u.ast, $3.u.ast); } 1036 | static_scalar_value T_IS_GREATER_OR_EQUAL static_scalar_value { $$.u.ast = zend_ast_create_binary(ZEND_IS_SMALLER_OR_EQUAL, $3.u.ast, $1.u.ast); } 1037 | static_scalar_value '?' ':' static_scalar_value { $$.u.ast = zend_ast_create_ternary(ZEND_SELECT, $1.u.ast, NULL, $4.u.ast); } 1038 | static_scalar_value '?' static_scalar_value ':' static_scalar_value { $$.u.ast = zend_ast_create_ternary(ZEND_SELECT, $1.u.ast, $3.u.ast, $5.u.ast); } 1039 | '+' static_scalar_value { $$.u.ast = zend_ast_create_unary(ZEND_UNARY_PLUS, $2.u.ast); } 1040 | '-' static_scalar_value { $$.u.ast = zend_ast_create_unary(ZEND_UNARY_MINUS, $2.u.ast); } 1041 | '(' static_scalar_value ')' { $$ = $2; } 1042 ; 1043 1044 general_constant: 1045 class_constant { $$ = $1; } 1046 | namespace_name { zend_do_fetch_constant(&$$, NULL, &$1, ZEND_RT, 1 TSRMLS_CC); } 1047 | 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); } 1048 | 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(&$$, NULL, &$2, ZEND_RT, 0 TSRMLS_CC); } 1049 ; 1050 1051 scalar: 1052 T_STRING_VARNAME { $$ = $1; } 1053 | general_constant { $$ = $1; } 1054 | class_name_scalar { $$ = $1; } 1055 | common_scalar { $$ = $1; } 1056 | '"' encaps_list '"' { $$ = $2; } 1057 | T_START_HEREDOC encaps_list T_END_HEREDOC { $$ = $2; } 1058 | T_CLASS_C { if (Z_TYPE($1.u.constant) == IS_CONSTANT) {zend_do_fetch_constant(&$$, NULL, &$1, ZEND_RT, 1 TSRMLS_CC);} else {$$ = $1;} } 1059 ; 1060 1061 static_array_pair_list: 1062 /* empty */ { $$.op_type = IS_CONST; INIT_PZVAL(&$$.u.constant); array_init(&$$.u.constant); $$.u.ast = zend_ast_create_constant(&$$.u.constant); } 1063 | non_empty_static_array_pair_list possible_comma { zend_ast_dynamic_shrink(&$1.u.ast); $$ = $1; } 1064 ; 1065 1066 possible_comma: 1067 /* empty */ 1068 | ',' 1069 ; 1070 1071 non_empty_static_array_pair_list: 1072 non_empty_static_array_pair_list ',' static_scalar_value T_DOUBLE_ARROW static_scalar_value { zend_ast_dynamic_add(&$$.u.ast, $3.u.ast); zend_ast_dynamic_add(&$$.u.ast, $5.u.ast); } 1073 | non_empty_static_array_pair_list ',' static_scalar_value { zend_ast_dynamic_add(&$$.u.ast, NULL); zend_ast_dynamic_add(&$$.u.ast, $3.u.ast); } 1074 | static_scalar_value T_DOUBLE_ARROW static_scalar_value { $$.u.ast = zend_ast_create_dynamic(ZEND_INIT_ARRAY); zend_ast_dynamic_add(&$$.u.ast, $1.u.ast); zend_ast_dynamic_add(&$$.u.ast, $3.u.ast); } 1075 | static_scalar_value { $$.u.ast = zend_ast_create_dynamic(ZEND_INIT_ARRAY); zend_ast_dynamic_add(&$$.u.ast, NULL); zend_ast_dynamic_add(&$$.u.ast, $1.u.ast); } 1076 ; 1077 1078 expr: 1079 r_variable { $$ = $1; } 1080 | expr_without_variable { $$ = $1; } 1081 ; 1082 1083 parenthesis_expr: 1084 '(' expr ')' { $$ = $2; } 1085 | '(' yield_expr ')' { $$ = $2; } 1086 ; 1087 1088 1089 r_variable: 1090 variable { zend_do_end_variable_parse(&$1, BP_VAR_R, 0 TSRMLS_CC); $$ = $1; } 1091 ; 1092 1093 1094 w_variable: 1095 variable { zend_do_end_variable_parse(&$1, BP_VAR_W, 0 TSRMLS_CC); $$ = $1; 1096 zend_check_writable_variable(&$1); } 1097 ; 1098 1099 rw_variable: 1100 variable { zend_do_end_variable_parse(&$1, BP_VAR_RW, 0 TSRMLS_CC); $$ = $1; 1101 zend_check_writable_variable(&$1); } 1102 ; 1103 1104 variable: 1105 base_variable_with_function_calls T_OBJECT_OPERATOR { zend_do_push_object(&$1 TSRMLS_CC); } 1106 object_property { zend_do_push_object(&$4 TSRMLS_CC); } method_or_not variable_properties 1107 { zend_do_pop_object(&$$ TSRMLS_CC); $$.EA = $1.EA | ($7.EA ? $7.EA : $6.EA); } 1108 | base_variable_with_function_calls { $$ = $1; } 1109 ; 1110 1111 variable_properties: 1112 variable_properties variable_property { $$.EA = $2.EA; } 1113 | /* empty */ { $$.EA = 0; } 1114 ; 1115 1116 1117 variable_property: 1118 T_OBJECT_OPERATOR object_property { zend_do_push_object(&$2 TSRMLS_CC); } method_or_not { $$.EA = $4.EA; } 1119 ; 1120 1121 array_method_dereference: 1122 array_method_dereference '[' dim_offset ']' { fetch_array_dim(&$$, &$1, &$3 TSRMLS_CC); } 1123 | method '[' dim_offset ']' { $1.EA = ZEND_PARSED_METHOD_CALL; fetch_array_dim(&$$, &$1, &$3 TSRMLS_CC); } 1124 ; 1125 1126 method: 1127 { zend_do_pop_object(&$$ TSRMLS_CC); zend_do_begin_method_call(&$$ TSRMLS_CC); } 1128 function_call_parameter_list { zend_do_end_function_call(&$1, &$$, 1, 1 TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C); } 1129 ; 1130 1131 method_or_not: 1132 method { $$ = $1; $$.EA = ZEND_PARSED_METHOD_CALL; zend_do_push_object(&$$ TSRMLS_CC); } 1133 | array_method_dereference { $$ = $1; zend_do_push_object(&$$ TSRMLS_CC); } 1134 | /* empty */ { $$.EA = ZEND_PARSED_MEMBER; } 1135 ; 1136 1137 variable_without_objects: 1138 reference_variable { $$ = $1; } 1139 | simple_indirect_reference reference_variable { zend_do_indirect_references(&$$, &$1, &$2 TSRMLS_CC); } 1140 ; 1141 1142 static_member: 1143 class_name T_PAAMAYIM_NEKUDOTAYIM variable_without_objects { $$ = $3; zend_do_fetch_static_member(&$$, &$1 TSRMLS_CC); } 1144 | variable_class_name T_PAAMAYIM_NEKUDOTAYIM variable_without_objects { $$ = $3; zend_do_fetch_static_member(&$$, &$1 TSRMLS_CC); } 1145 1146 ; 1147 1148 variable_class_name: 1149 reference_variable { zend_do_end_variable_parse(&$1, BP_VAR_R, 0 TSRMLS_CC); $$=$1;; } 1150 ; 1151 1152 array_function_dereference: 1153 array_function_dereference '[' dim_offset ']' { fetch_array_dim(&$$, &$1, &$3 TSRMLS_CC); } 1154 | function_call { zend_do_begin_variable_parse(TSRMLS_C); $1.EA = ZEND_PARSED_FUNCTION_CALL; } 1155 '[' dim_offset ']' { fetch_array_dim(&$$, &$1, &$4 TSRMLS_CC); } 1156 ; 1157 1158 base_variable_with_function_calls: 1159 base_variable { $$ = $1; } 1160 | array_function_dereference { $$ = $1; } 1161 | function_call { zend_do_begin_variable_parse(TSRMLS_C); $$ = $1; $$.EA = ZEND_PARSED_FUNCTION_CALL; } 1162 ; 1163 1164 1165 base_variable: 1166 reference_variable { $$ = $1; $$.EA = ZEND_PARSED_VARIABLE; } 1167 | simple_indirect_reference reference_variable { zend_do_indirect_references(&$$, &$1, &$2 TSRMLS_CC); $$.EA = ZEND_PARSED_VARIABLE; } 1168 | static_member { $$ = $1; $$.EA = ZEND_PARSED_STATIC_MEMBER; } 1169 ; 1170 1171 reference_variable: 1172 reference_variable '[' dim_offset ']' { fetch_array_dim(&$$, &$1, &$3 TSRMLS_CC); } 1173 | reference_variable '{' expr '}' { fetch_string_offset(&$$, &$1, &$3 TSRMLS_CC); } 1174 | compound_variable { zend_do_begin_variable_parse(TSRMLS_C); fetch_simple_variable(&$$, &$1, 1 TSRMLS_CC); } 1175 ; 1176 1177 1178 compound_variable: 1179 T_VARIABLE { $$ = $1; } 1180 | '$' '{' expr '}' { $$ = $3; } 1181 ; 1182 1183 dim_offset: 1184 /* empty */ { $$.op_type = IS_UNUSED; } 1185 | expr { $$ = $1; } 1186 ; 1187 1188 1189 object_property: 1190 object_dim_list { $$ = $1; } 1191 | 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(&$$, &tmp_znode, &$1 TSRMLS_CC);} 1192 ; 1193 1194 object_dim_list: 1195 object_dim_list '[' dim_offset ']' { fetch_array_dim(&$$, &$1, &$3 TSRMLS_CC); } 1196 | object_dim_list '{' expr '}' { fetch_string_offset(&$$, &$1, &$3 TSRMLS_CC); } 1197 | variable_name { znode tmp_znode; zend_do_pop_object(&tmp_znode TSRMLS_CC); zend_do_fetch_property(&$$, &tmp_znode, &$1 TSRMLS_CC);} 1198 ; 1199 1200 variable_name: 1201 T_STRING { $$ = $1; } 1202 | '{' expr '}' { $$ = $2; } 1203 ; 1204 1205 simple_indirect_reference: 1206 '$' { Z_LVAL($$.u.constant) = 1; } 1207 | simple_indirect_reference '$' { Z_LVAL($$.u.constant)++; } 1208 ; 1209 1210 assignment_list: 1211 assignment_list ',' assignment_list_element 1212 | assignment_list_element 1213 ; 1214 1215 1216 assignment_list_element: 1217 variable { zend_do_add_list_element(&$1 TSRMLS_CC); } 1218 | T_LIST '(' { zend_do_new_list_begin(TSRMLS_C); } assignment_list ')' { zend_do_new_list_end(TSRMLS_C); } 1219 | /* empty */ { zend_do_add_list_element(NULL TSRMLS_CC); } 1220 ; 1221 1222 1223 array_pair_list: 1224 /* empty */ { zend_do_init_array(&$$, NULL, NULL, 0 TSRMLS_CC); } 1225 | non_empty_array_pair_list possible_comma { $$ = $1; } 1226 ; 1227 1228 non_empty_array_pair_list: 1229 non_empty_array_pair_list ',' expr T_DOUBLE_ARROW expr { zend_do_add_array_element(&$$, &$5, &$3, 0 TSRMLS_CC); } 1230 | non_empty_array_pair_list ',' expr { zend_do_add_array_element(&$$, &$3, NULL, 0 TSRMLS_CC); } 1231 | expr T_DOUBLE_ARROW expr { zend_do_init_array(&$$, &$3, &$1, 0 TSRMLS_CC); } 1232 | expr { zend_do_init_array(&$$, &$1, NULL, 0 TSRMLS_CC); } 1233 | non_empty_array_pair_list ',' expr T_DOUBLE_ARROW '&' w_variable { zend_do_add_array_element(&$$, &$6, &$3, 1 TSRMLS_CC); } 1234 | non_empty_array_pair_list ',' '&' w_variable { zend_do_add_array_element(&$$, &$4, NULL, 1 TSRMLS_CC); } 1235 | expr T_DOUBLE_ARROW '&' w_variable { zend_do_init_array(&$$, &$4, &$1, 1 TSRMLS_CC); } 1236 | '&' w_variable { zend_do_init_array(&$$, &$2, NULL, 1 TSRMLS_CC); } 1237 ; 1238 1239 encaps_list: 1240 encaps_list encaps_var { zend_do_end_variable_parse(&$2, BP_VAR_R, 0 TSRMLS_CC); zend_do_add_variable(&$$, &$1, &$2 TSRMLS_CC); } 1241 | encaps_list T_ENCAPSED_AND_WHITESPACE { zend_do_add_string(&$$, &$1, &$2 TSRMLS_CC); } 1242 | encaps_var { zend_do_end_variable_parse(&$1, BP_VAR_R, 0 TSRMLS_CC); zend_do_add_variable(&$$, NULL, &$1 TSRMLS_CC); } 1243 | T_ENCAPSED_AND_WHITESPACE encaps_var { zend_do_add_string(&$$, NULL, &$1 TSRMLS_CC); zend_do_end_variable_parse(&$2, BP_VAR_R, 0 TSRMLS_CC); zend_do_add_variable(&$$, &$$, &$2 TSRMLS_CC); } 1244 ; 1245 1246 1247 1248 encaps_var: 1249 T_VARIABLE { zend_do_begin_variable_parse(TSRMLS_C); fetch_simple_variable(&$$, &$1, 1 TSRMLS_CC); } 1250 | T_VARIABLE '[' { zend_do_begin_variable_parse(TSRMLS_C); } encaps_var_offset ']' { fetch_array_begin(&$$, &$1, &$4 TSRMLS_CC); } 1251 | 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(&$$, &$2, &$3 TSRMLS_CC); } 1252 | T_DOLLAR_OPEN_CURLY_BRACES expr '}' { zend_do_begin_variable_parse(TSRMLS_C); fetch_simple_variable(&$$, &$2, 1 TSRMLS_CC); } 1253 | T_DOLLAR_OPEN_CURLY_BRACES T_STRING_VARNAME '[' expr ']' '}' { zend_do_begin_variable_parse(TSRMLS_C); fetch_array_begin(&$$, &$2, &$4 TSRMLS_CC); } 1254 | T_CURLY_OPEN variable '}' { $$ = $2; } 1255 ; 1256 1257 1258 encaps_var_offset: 1259 T_STRING { $$ = $1; } 1260 | T_NUM_STRING { $$ = $1; } 1261 | T_VARIABLE { fetch_simple_variable(&$$, &$1, 1 TSRMLS_CC); } 1262 ; 1263 1264 1265 internal_functions_in_yacc: 1266 T_ISSET '(' isset_variables ')' { $$ = $3; } 1267 | T_EMPTY '(' variable ')' { zend_do_isset_or_isempty(ZEND_ISEMPTY, &$$, &$3 TSRMLS_CC); } 1268 | T_EMPTY '(' expr_without_variable ')' { zend_do_unary_op(ZEND_BOOL_NOT, &$$, &$3 TSRMLS_CC); } 1269 | T_INCLUDE expr { zend_do_include_or_eval(ZEND_INCLUDE, &$$, &$2 TSRMLS_CC); } 1270 | T_INCLUDE_ONCE expr { zend_do_include_or_eval(ZEND_INCLUDE_ONCE, &$$, &$2 TSRMLS_CC); } 1271 | T_EVAL '(' expr ')' { zend_do_include_or_eval(ZEND_EVAL, &$$, &$3 TSRMLS_CC); } 1272 | T_REQUIRE expr { zend_do_include_or_eval(ZEND_REQUIRE, &$$, &$2 TSRMLS_CC); } 1273 | T_REQUIRE_ONCE expr { zend_do_include_or_eval(ZEND_REQUIRE_ONCE, &$$, &$2 TSRMLS_CC); } 1274 ; 1275 1276 isset_variables: 1277 isset_variable { $$ = $1; } 1278 | isset_variables ',' { zend_do_boolean_and_begin(&$1, &$2 TSRMLS_CC); } isset_variable { zend_do_boolean_and_end(&$$, &$1, &$4, &$2 TSRMLS_CC); } 1279 ; 1280 1281 isset_variable: 1282 variable { zend_do_isset_or_isempty(ZEND_ISSET, &$$, &$1 TSRMLS_CC); } 1283 | expr_without_variable { zend_error_noreturn(E_COMPILE_ERROR, "Cannot use isset() on the result of an expression (you can use \"null !== expression\" instead)"); } 1284 ; 1285 1286 class_constant: 1287 class_name T_PAAMAYIM_NEKUDOTAYIM T_STRING { zend_do_fetch_constant(&$$, &$1, &$3, ZEND_RT, 0 TSRMLS_CC); } 1288 | variable_class_name T_PAAMAYIM_NEKUDOTAYIM T_STRING { zend_do_fetch_constant(&$$, &$1, &$3, ZEND_RT, 0 TSRMLS_CC); } 1289 ; 1290 1291 static_class_name_scalar: 1292 class_name T_PAAMAYIM_NEKUDOTAYIM T_CLASS { zend_do_resolve_class_name(&$$, &$1, 1 TSRMLS_CC); } 1293 ; 1294 1295 class_name_scalar: 1296 class_name T_PAAMAYIM_NEKUDOTAYIM T_CLASS { zend_do_resolve_class_name(&$$, &$1, 0 TSRMLS_CC); } 1297 ; 1298 1299 %% 1300 1301 /* Copy to YYRES the contents of YYSTR after stripping away unnecessary 1302 quotes and backslashes, so that it's suitable for yyerror. The 1303 heuristic is that double-quoting is unnecessary unless the string 1304 contains an apostrophe, a comma, or backslash (other than 1305 backslash-backslash). YYSTR is taken from yytname. If YYRES is 1306 null, do not copy; instead, return the length of what the result 1307 would have been. */ 1308 static YYSIZE_T zend_yytnamerr(char *yyres, const char *yystr) 1309 { 1310 if (!yyres) { 1311 return yystrlen(yystr); 1312 } 1313 { 1314 TSRMLS_FETCH(); 1315 if (CG(parse_error) == 0) { 1316 char buffer[120]; 1317 const unsigned char *end, *str, *tok1 = NULL, *tok2 = NULL; 1318 unsigned int len = 0, toklen = 0, yystr_len; 1319 1320 CG(parse_error) = 1; 1321 1322 if (LANG_SCNG(yy_text)[0] == 0 && 1323 LANG_SCNG(yy_leng) == 1 && 1324 memcmp(yystr, "\"end of file\"", sizeof("\"end of file\"") - 1) == 0) { 1325 yystpcpy(yyres, "end of file"); 1326 return sizeof("end of file")-1; 1327 } 1328 1329 str = LANG_SCNG(yy_text); 1330 end = memchr(str, '\n', LANG_SCNG(yy_leng)); 1331 yystr_len = yystrlen(yystr); 1332 1333 if ((tok1 = memchr(yystr, '(', yystr_len)) != NULL 1334 && (tok2 = zend_memrchr(yystr, ')', yystr_len)) != NULL) { 1335 toklen = (tok2 - tok1) + 1; 1336 } else { 1337 tok1 = tok2 = NULL; 1338 toklen = 0; 1339 } 1340 1341 if (end == NULL) { 1342 len = LANG_SCNG(yy_leng) > 30 ? 30 : LANG_SCNG(yy_leng); 1343 } else { 1344 len = (end - str) > 30 ? 30 : (end - str); 1345 } 1346 if (toklen) { 1347 snprintf(buffer, sizeof(buffer), "'%.*s' %.*s", len, str, toklen, tok1); 1348 } else { 1349 snprintf(buffer, sizeof(buffer), "'%.*s'", len, str); 1350 } 1351 yystpcpy(yyres, buffer); 1352 return len + (toklen ? toklen + 1 : 0) + 2; 1353 } 1354 } 1355 if (*yystr == '"') { 1356 YYSIZE_T yyn = 0; 1357 const char *yyp = yystr; 1358 1359 for (; *++yyp != '"'; ++yyn) { 1360 yyres[yyn] = *yyp; 1361 } 1362 yyres[yyn] = '\0'; 1363 return yyn; 1364 } 1365 yystpcpy(yyres, yystr); 1366 return strlen(yystr); 1367 } 1368 1369 /* 1370 * Local variables: 1371 * tab-width: 4 1372 * c-basic-offset: 4 1373 * indent-tabs-mode: t 1374 * End: 1375 */ 1376
