%{ /* +----------------------------------------------------------------------+ | Zend Engine | +----------------------------------------------------------------------+ | Copyright (c) 1998-2014 Zend Technologies Ltd. (http://www.zend.com) | +----------------------------------------------------------------------+ | This source file is subject to version 2.00 of the Zend license, | | that is bundled with this package in the file LICENSE, and is | | available through the world-wide-web at the following url: | | http://www.zend.com/license/2_00.txt. | | If you did not receive a copy of the Zend license and are unable to | | obtain it through the world-wide-web, please send a note to | | license@zend.com so we can mail you a copy immediately. | +----------------------------------------------------------------------+ | Authors: Andi Gutmans <andi@zend.com> | | Zeev Suraski <zeev@zend.com> | +----------------------------------------------------------------------+ */ /* $Id$ */ /* * LALR shift/reduce conflicts and how they are resolved: * * - 2 shift/reduce conflicts due to the dangling elseif/else ambiguity. Solved by shift. * */ #include "zend_compile.h" #include "zend.h" #include "zend_list.h" #include "zend_globals.h" #include "zend_API.h" #include "zend_constants.h" #define YYSIZE_T size_t #define yytnamerr zend_yytnamerr static YYSIZE_T zend_yytnamerr(char*, const char*); #define YYERROR_VERBOSE #define YYSTYPE znode %} %pure_parser %expect 3 %code requires { #ifdef ZTS # define YYPARSE_PARAM tsrm_ls # define YYLEX_PARAM tsrm_ls #endif } %token END 0 "end of file" %left T_INCLUDE T_INCLUDE_ONCE T_EVAL T_REQUIRE T_REQUIRE_ONCE %token T_INCLUDE "include (T_INCLUDE)" %token T_INCLUDE_ONCE "include_once (T_INCLUDE_ONCE)" %token T_EVAL "eval (T_EVAL)" %token T_REQUIRE "require (T_REQUIRE)" %token T_REQUIRE_ONCE "require_once (T_REQUIRE_ONCE)" %left ',' %left T_LOGICAL_OR %token T_LOGICAL_OR "or (T_LOGICAL_OR)" %left T_LOGICAL_XOR %token T_LOGICAL_XOR "xor (T_LOGICAL_XOR)" %left T_LOGICAL_AND %token T_LOGICAL_AND "and (T_LOGICAL_AND)" %right T_PRINT %token T_PRINT "print (T_PRINT)" %right T_YIELD %token T_YIELD "yield (T_YIELD)" %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 %token T_PLUS_EQUAL "+= (T_PLUS_EQUAL)" %token T_MINUS_EQUAL "-= (T_MINUS_EQUAL)" %token T_MUL_EQUAL "*= (T_MUL_EQUAL)" %token T_DIV_EQUAL "/= (T_DIV_EQUAL)" %token T_CONCAT_EQUAL ".= (T_CONCAT_EQUAL)" %token T_MOD_EQUAL "%= (T_MOD_EQUAL)" %token T_AND_EQUAL "&= (T_AND_EQUAL)" %token T_OR_EQUAL "|= (T_OR_EQUAL)" %token T_XOR_EQUAL "^= (T_XOR_EQUAL)" %token T_SL_EQUAL "<<= (T_SL_EQUAL)" %token T_SR_EQUAL ">>= (T_SR_EQUAL)" %left '?' ':' %left T_BOOLEAN_OR %token T_BOOLEAN_OR "|| (T_BOOLEAN_OR)" %left T_BOOLEAN_AND %token T_BOOLEAN_AND "&& (T_BOOLEAN_AND)" %left '|' %left '^' %left '&' %nonassoc T_IS_EQUAL T_IS_NOT_EQUAL T_IS_IDENTICAL T_IS_NOT_IDENTICAL %token T_IS_EQUAL "== (T_IS_EQUAL)" %token T_IS_NOT_EQUAL "!= (T_IS_NOT_EQUAL)" %token T_IS_IDENTICAL "=== (T_IS_IDENTICAL)" %token T_IS_NOT_IDENTICAL "!== (T_IS_NOT_IDENTICAL)" %nonassoc '<' T_IS_SMALLER_OR_EQUAL '>' T_IS_GREATER_OR_EQUAL %token T_IS_SMALLER_OR_EQUAL "<= (T_IS_SMALLER_OR_EQUAL)" %token T_IS_GREATER_OR_EQUAL ">= (T_IS_GREATER_OR_EQUAL)" %left T_SL T_SR %token T_SL "<< (T_SL)" %token T_SR ">> (T_SR)" %left '+' '-' '.' %left '*' '/' '%' %right '!' %nonassoc T_INSTANCEOF %token T_INSTANCEOF "instanceof (T_INSTANCEOF)" %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 '@' %right T_POW %token T_INC "++ (T_INC)" %token T_DEC "-- (T_DEC)" %token T_INT_CAST "(int) (T_INT_CAST)" %token T_DOUBLE_CAST "(double) (T_DOUBLE_CAST)" %token T_STRING_CAST "(string) (T_STRING_CAST)" %token T_ARRAY_CAST "(array) (T_ARRAY_CAST)" %token T_OBJECT_CAST "(object) (T_OBJECT_CAST)" %token T_BOOL_CAST "(bool) (T_BOOL_CAST)" %token T_UNSET_CAST "(unset) (T_UNSET_CAST)" %right '[' %nonassoc T_NEW T_CLONE %token T_NEW "new (T_NEW)" %token T_CLONE "clone (T_CLONE)" %token T_EXIT "exit (T_EXIT)" %token T_IF "if (T_IF)" %left T_ELSEIF %token T_ELSEIF "elseif (T_ELSEIF)" %left T_ELSE %token T_ELSE "else (T_ELSE)" %left T_ENDIF %token T_ENDIF "endif (T_ENDIF)" %token T_LNUMBER "integer number (T_LNUMBER)" %token T_DNUMBER "floating-point number (T_DNUMBER)" %token T_STRING "identifier (T_STRING)" %token T_STRING_VARNAME "variable name (T_STRING_VARNAME)" %token T_VARIABLE "variable (T_VARIABLE)" %token T_NUM_STRING "number (T_NUM_STRING)" %token T_INLINE_HTML %token T_CHARACTER %token T_BAD_CHARACTER %token T_ENCAPSED_AND_WHITESPACE "quoted-string and whitespace (T_ENCAPSED_AND_WHITESPACE)" %token T_CONSTANT_ENCAPSED_STRING "quoted-string (T_CONSTANT_ENCAPSED_STRING)" %token T_ECHO "echo (T_ECHO)" %token T_DO "do (T_DO)" %token T_WHILE "while (T_WHILE)" %token T_ENDWHILE "endwhile (T_ENDWHILE)" %token T_FOR "for (T_FOR)" %token T_ENDFOR "endfor (T_ENDFOR)" %token T_FOREACH "foreach (T_FOREACH)" %token T_ENDFOREACH "endforeach (T_ENDFOREACH)" %token T_DECLARE "declare (T_DECLARE)" %token T_ENDDECLARE "enddeclare (T_ENDDECLARE)" %token T_AS "as (T_AS)" %token T_SWITCH "switch (T_SWITCH)" %token T_ENDSWITCH "endswitch (T_ENDSWITCH)" %token T_CASE "case (T_CASE)" %token T_DEFAULT "default (T_DEFAULT)" %token T_BREAK "break (T_BREAK)" %token T_CONTINUE "continue (T_CONTINUE)" %token T_GOTO "goto (T_GOTO)" %token T_FUNCTION "function (T_FUNCTION)" %token T_CONST "const (T_CONST)" %token T_RETURN "return (T_RETURN)" %token T_TRY "try (T_TRY)" %token T_CATCH "catch (T_CATCH)" %token T_FINALLY "finally (T_FINALLY)" %token T_THROW "throw (T_THROW)" %token T_USE "use (T_USE)" %token T_INSTEADOF "insteadof (T_INSTEADOF)" %token T_GLOBAL "global (T_GLOBAL)" %right T_STATIC T_ABSTRACT T_FINAL T_PRIVATE T_PROTECTED T_PUBLIC %token T_STATIC "static (T_STATIC)" %token T_ABSTRACT "abstract (T_ABSTRACT)" %token T_FINAL "final (T_FINAL)" %token T_PRIVATE "private (T_PRIVATE)" %token T_PROTECTED "protected (T_PROTECTED)" %token T_PUBLIC "public (T_PUBLIC)" %token T_VAR "var (T_VAR)" %token T_UNSET "unset (T_UNSET)" %token T_ISSET "isset (T_ISSET)" %token T_EMPTY "empty (T_EMPTY)" %token T_HALT_COMPILER "__halt_compiler (T_HALT_COMPILER)" %token T_CLASS "class (T_CLASS)" %token T_TRAIT "trait (T_TRAIT)" %token T_INTERFACE "interface (T_INTERFACE)" %token T_EXTENDS "extends (T_EXTENDS)" %token T_IMPLEMENTS "implements (T_IMPLEMENTS)" %token T_OBJECT_OPERATOR "-> (T_OBJECT_OPERATOR)" %token T_DOUBLE_ARROW "=> (T_DOUBLE_ARROW)" %token T_LIST "list (T_LIST)" %token T_ARRAY "array (T_ARRAY)" %token T_CALLABLE "callable (T_CALLABLE)" %token T_CLASS_C "__CLASS__ (T_CLASS_C)" %token T_TRAIT_C "__TRAIT__ (T_TRAIT_C)" %token T_METHOD_C "__METHOD__ (T_METHOD_C)" %token T_FUNC_C "__FUNCTION__ (T_FUNC_C)" %token T_LINE "__LINE__ (T_LINE)" %token T_FILE "__FILE__ (T_FILE)" %token T_COMMENT "comment (T_COMMENT)" %token T_DOC_COMMENT "doc comment (T_DOC_COMMENT)" %token T_OPEN_TAG "open tag (T_OPEN_TAG)" %token T_OPEN_TAG_WITH_ECHO "open tag with echo (T_OPEN_TAG_WITH_ECHO)" %token T_CLOSE_TAG "close tag (T_CLOSE_TAG)" %token T_WHITESPACE "whitespace (T_WHITESPACE)" %token T_START_HEREDOC "heredoc start (T_START_HEREDOC)" %token T_END_HEREDOC "heredoc end (T_END_HEREDOC)" %token T_DOLLAR_OPEN_CURLY_BRACES "${ (T_DOLLAR_OPEN_CURLY_BRACES)" %token T_CURLY_OPEN "{$ (T_CURLY_OPEN)" %token T_PAAMAYIM_NEKUDOTAYIM ":: (T_PAAMAYIM_NEKUDOTAYIM)" %token T_NAMESPACE "namespace (T_NAMESPACE)" %token T_NS_C "__NAMESPACE__ (T_NS_C)" %token T_DIR "__DIR__ (T_DIR)" %token T_NS_SEPARATOR "\\ (T_NS_SEPARATOR)" %token T_ELLIPSIS "... (T_ELLIPSIS)" %token T_POW "** (T_POW)" %token T_POW_EQUAL "**= (T_POW_EQUAL)" %% /* Rules */ start: top_statement_list { zend_do_end_compilation(TSRMLS_C); } ; top_statement_list: top_statement_list { zend_do_extended_info(TSRMLS_C); } top_statement { HANDLE_INTERACTIVE(); } | /* empty */ ; namespace_name: T_STRING { $$ = $1; } | namespace_name T_NS_SEPARATOR T_STRING { zend_do_build_namespace_name(&$$, &$1, &$3 TSRMLS_CC); } ; top_statement: statement { zend_verify_namespace(TSRMLS_C); } | function_declaration_statement { zend_verify_namespace(TSRMLS_C); zend_do_early_binding(TSRMLS_C); } | class_declaration_statement { zend_verify_namespace(TSRMLS_C); zend_do_early_binding(TSRMLS_C); } | T_HALT_COMPILER '(' ')' ';' { zend_do_halt_compiler_register(TSRMLS_C); YYACCEPT; } | T_NAMESPACE namespace_name ';' { zend_do_begin_namespace(&$2, 0 TSRMLS_CC); } | T_NAMESPACE namespace_name '{' { zend_do_begin_namespace(&$2, 1 TSRMLS_CC); } top_statement_list '}' { zend_do_end_namespace(TSRMLS_C); } | T_NAMESPACE '{' { zend_do_begin_namespace(NULL, 1 TSRMLS_CC); } top_statement_list '}' { zend_do_end_namespace(TSRMLS_C); } | T_USE use_declarations ';' { zend_verify_namespace(TSRMLS_C); } | T_USE T_FUNCTION use_function_declarations ';' { zend_verify_namespace(TSRMLS_C); } | T_USE T_CONST use_const_declarations ';' { zend_verify_namespace(TSRMLS_C); } | constant_declaration ';' { zend_verify_namespace(TSRMLS_C); } ; use_declarations: use_declarations ',' use_declaration | use_declaration ; use_declaration: namespace_name { zend_do_use(&$1, NULL, 0 TSRMLS_CC); } | namespace_name T_AS T_STRING { zend_do_use(&$1, &$3, 0 TSRMLS_CC); } | T_NS_SEPARATOR namespace_name { zend_do_use(&$2, NULL, 1 TSRMLS_CC); } | T_NS_SEPARATOR namespace_name T_AS T_STRING { zend_do_use(&$2, &$4, 1 TSRMLS_CC); } ; use_function_declarations: use_function_declarations ',' use_function_declaration | use_function_declaration ; use_function_declaration: namespace_name { zend_do_use_function(&$1, NULL, 0 TSRMLS_CC); } | namespace_name T_AS T_STRING { zend_do_use_function(&$1, &$3, 0 TSRMLS_CC); } | T_NS_SEPARATOR namespace_name { zend_do_use_function(&$2, NULL, 1 TSRMLS_CC); } | T_NS_SEPARATOR namespace_name T_AS T_STRING { zend_do_use_function(&$2, &$4, 1 TSRMLS_CC); } ; use_const_declarations: use_const_declarations ',' use_const_declaration | use_const_declaration ; use_const_declaration: namespace_name { zend_do_use_const(&$1, NULL, 0 TSRMLS_CC); } | namespace_name T_AS T_STRING { zend_do_use_const(&$1, &$3, 0 TSRMLS_CC); } | T_NS_SEPARATOR namespace_name { zend_do_use_const(&$2, NULL, 1 TSRMLS_CC); } | T_NS_SEPARATOR namespace_name T_AS T_STRING { zend_do_use_const(&$2, &$4, 1 TSRMLS_CC); } ; constant_declaration: constant_declaration ',' T_STRING '=' static_scalar { zend_do_declare_constant(&$3, &$5 TSRMLS_CC); } | T_CONST T_STRING '=' static_scalar { zend_do_declare_constant(&$2, &$4 TSRMLS_CC); } ; inner_statement_list: inner_statement_list { zend_do_extended_info(TSRMLS_C); } inner_statement { HANDLE_INTERACTIVE(); } | /* empty */ ; inner_statement: statement | function_declaration_statement | class_declaration_statement | T_HALT_COMPILER '(' ')' ';' { zend_error_noreturn(E_COMPILE_ERROR, "__HALT_COMPILER() can only be used from the outermost scope"); } ; statement: unticked_statement { DO_TICKS(); } | T_STRING ':' { zend_do_label(&$1 TSRMLS_CC); } ; unticked_statement: '{' inner_statement_list '}' | 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); } | 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); } | 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); } | 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); } | T_FOR '(' for_expr ';' { zend_do_free(&$3 TSRMLS_CC); $4.u.op.opline_num = get_next_op_number(CG(active_op_array)); } for_expr ';' { zend_do_extended_info(TSRMLS_C); zend_do_for_cond(&$6, &$7 TSRMLS_CC); } for_expr ')' { zend_do_free(&$9 TSRMLS_CC); zend_do_for_before_statement(&$4, &$7 TSRMLS_CC); } for_statement { zend_do_for_end(&$7 TSRMLS_CC); } | T_SWITCH parenthesis_expr { zend_do_switch_cond(&$2 TSRMLS_CC); } switch_case_list { zend_do_switch_end(&$4 TSRMLS_CC); } | T_BREAK ';' { zend_do_brk_cont(ZEND_BRK, NULL TSRMLS_CC); } | T_BREAK expr ';' { zend_do_brk_cont(ZEND_BRK, &$2 TSRMLS_CC); } | T_CONTINUE ';' { zend_do_brk_cont(ZEND_CONT, NULL TSRMLS_CC); } | T_CONTINUE expr ';' { zend_do_brk_cont(ZEND_CONT, &$2 TSRMLS_CC); } | T_RETURN ';' { zend_do_return(NULL, 0 TSRMLS_CC); } | T_RETURN expr_without_variable ';' { zend_do_return(&$2, 0 TSRMLS_CC); } | T_RETURN variable ';' { zend_do_return(&$2, 1 TSRMLS_CC); } | yield_expr ';' { zend_do_free(&$1 TSRMLS_CC); } | T_GLOBAL global_var_list ';' | T_STATIC static_var_list ';' | T_ECHO echo_expr_list ';' | T_INLINE_HTML { zend_do_echo(&$1 TSRMLS_CC); } | expr ';' { zend_do_free(&$1 TSRMLS_CC); } | T_UNSET '(' unset_variables ')' ';' | T_FOREACH '(' variable T_AS { zend_do_foreach_begin(&$1, &$2, &$3, &$4, 1 TSRMLS_CC); } foreach_variable foreach_optional_arg ')' { zend_do_foreach_cont(&$1, &$2, &$4, &$6, &$7 TSRMLS_CC); } foreach_statement { zend_do_foreach_end(&$1, &$4 TSRMLS_CC); } | T_FOREACH '(' expr_without_variable T_AS { zend_do_foreach_begin(&$1, &$2, &$3, &$4, 0 TSRMLS_CC); } foreach_variable foreach_optional_arg ')' { zend_do_foreach_cont(&$1, &$2, &$4, &$6, &$7 TSRMLS_CC); } foreach_statement { zend_do_foreach_end(&$1, &$4 TSRMLS_CC); } | 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); } | ';' /* empty statement */ | T_TRY { zend_do_try(&$1 TSRMLS_CC); } '{' inner_statement_list '}' catch_statement { zend_do_bind_catch(&$1, &$6 TSRMLS_CC); } finally_statement { zend_do_end_finally(&$1, &$6, &$8 TSRMLS_CC); } | T_THROW expr ';' { zend_do_throw(&$2 TSRMLS_CC); } | T_GOTO T_STRING ';' { zend_do_goto(&$2 TSRMLS_CC); } ; catch_statement: /* empty */ { $$.op_type = IS_UNUSED; } | T_CATCH '(' { zend_initialize_try_catch_element(&$1 TSRMLS_CC); } fully_qualified_class_name { zend_do_first_catch(&$2 TSRMLS_CC); } T_VARIABLE ')' { zend_do_begin_catch(&$1, &$4, &$6, &$2 TSRMLS_CC); } '{' inner_statement_list '}' { zend_do_end_catch(&$1 TSRMLS_CC); } additional_catches { zend_do_mark_last_catch(&$2, &$13 TSRMLS_CC); $$ = $1;} finally_statement: /* empty */ { $$.op_type = IS_UNUSED; } | T_FINALLY { zend_do_finally(&$1 TSRMLS_CC); } '{' inner_statement_list '}' { $$ = $1; } ; additional_catches: non_empty_additional_catches { $$ = $1; } | /* empty */ { $$.u.op.opline_num = -1; } ; non_empty_additional_catches: additional_catch { $$ = $1; } | non_empty_additional_catches additional_catch { $$ = $2; } ; additional_catch: T_CATCH '(' fully_qualified_class_name { $$.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); } ; unset_variables: unset_variable | unset_variables ',' unset_variable ; unset_variable: variable { zend_do_end_variable_parse(&$1, BP_VAR_UNSET, 0 TSRMLS_CC); zend_do_unset(&$1 TSRMLS_CC); } ; function_declaration_statement: unticked_function_declaration_statement { DO_TICKS(); } ; class_declaration_statement: unticked_class_declaration_statement { DO_TICKS(); } ; is_reference: /* empty */ { $$.op_type = 0; } | '&' { $$.op_type = 1; } ; is_variadic: /* empty */ { $$.op_type = 0; } | T_ELLIPSIS { $$.op_type = 1; } ; unticked_function_declaration_statement: function is_reference T_STRING { zend_do_begin_function_declaration(&$1, &$3, 0, $2.op_type, NULL TSRMLS_CC); } '(' parameter_list ')' '{' inner_statement_list '}' { zend_do_end_function_declaration(&$1 TSRMLS_CC); } ; unticked_class_declaration_statement: class_entry_type T_STRING extends_from { zend_do_begin_class_declaration(&$1, &$2, &$3 TSRMLS_CC); } implements_list '{' class_statement_list '}' { zend_do_end_class_declaration(&$1, &$3 TSRMLS_CC); } | interface_entry T_STRING { zend_do_begin_class_declaration(&$1, &$2, NULL TSRMLS_CC); } interface_extends_list '{' class_statement_list '}' { zend_do_end_class_declaration(&$1, NULL TSRMLS_CC); } ; class_entry_type: T_CLASS { $$.u.op.opline_num = CG(zend_lineno); $$.EA = 0; } | T_ABSTRACT T_CLASS { $$.u.op.opline_num = CG(zend_lineno); $$.EA = ZEND_ACC_EXPLICIT_ABSTRACT_CLASS; } | T_TRAIT { $$.u.op.opline_num = CG(zend_lineno); $$.EA = ZEND_ACC_TRAIT; } | T_FINAL T_CLASS { $$.u.op.opline_num = CG(zend_lineno); $$.EA = ZEND_ACC_FINAL_CLASS; } ; extends_from: /* empty */ { $$.op_type = IS_UNUSED; } | T_EXTENDS fully_qualified_class_name { zend_do_fetch_class(&$$, &$2 TSRMLS_CC); } ; interface_entry: T_INTERFACE { $$.u.op.opline_num = CG(zend_lineno); $$.EA = ZEND_ACC_INTERFACE; } ; interface_extends_list: /* empty */ | T_EXTENDS interface_list ; implements_list: /* empty */ | T_IMPLEMENTS interface_list ; interface_list: fully_qualified_class_name { zend_do_implements_interface(&$1 TSRMLS_CC); } | interface_list ',' fully_qualified_class_name { zend_do_implements_interface(&$3 TSRMLS_CC); } ; foreach_optional_arg: /* empty */ { $$.op_type = IS_UNUSED; } | T_DOUBLE_ARROW foreach_variable { $$ = $2; } ; foreach_variable: variable { zend_check_writable_variable(&$1); $$ = $1; } | '&' variable { zend_check_writable_variable(&$2); $$ = $2; $$.EA |= ZEND_PARSED_REFERENCE_VARIABLE; } | T_LIST '(' { zend_do_list_init(TSRMLS_C); } assignment_list ')' { $$ = $1; $$.EA = ZEND_PARSED_LIST_EXPR; } ; for_statement: statement | ':' inner_statement_list T_ENDFOR ';' ; foreach_statement: statement | ':' inner_statement_list T_ENDFOREACH ';' ; declare_statement: statement | ':' inner_statement_list T_ENDDECLARE ';' ; declare_list: T_STRING '=' static_scalar { zend_do_declare_stmt(&$1, &$3 TSRMLS_CC); } | declare_list ',' T_STRING '=' static_scalar { zend_do_declare_stmt(&$3, &$5 TSRMLS_CC); } ; switch_case_list: '{' case_list '}' { $$ = $2; } | '{' ';' case_list '}' { $$ = $3; } | ':' case_list T_ENDSWITCH ';' { $$ = $2; } | ':' ';' case_list T_ENDSWITCH ';' { $$ = $3; } ; case_list: /* empty */ { $$.op_type = IS_UNUSED; } | 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; } | 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; } ; case_separator: ':' | ';' ; while_statement: statement | ':' inner_statement_list T_ENDWHILE ';' ; elseif_list: /* empty */ | elseif_list T_ELSEIF parenthesis_expr { zend_do_if_cond(&$3, &$2 TSRMLS_CC); } statement { zend_do_if_after_statement(&$2, 0 TSRMLS_CC); } ; new_elseif_list: /* empty */ | 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); } ; else_single: /* empty */ | T_ELSE statement ; new_else_single: /* empty */ | T_ELSE ':' inner_statement_list ; parameter_list: non_empty_parameter_list | /* empty */ ; non_empty_parameter_list: parameter | non_empty_parameter_list ',' parameter ; parameter: optional_class_type is_reference is_variadic T_VARIABLE { zend_do_receive_param(ZEND_RECV, &$4, NULL, &$1, $2.op_type, $3.op_type TSRMLS_CC); } | optional_class_type is_reference is_variadic T_VARIABLE '=' static_scalar { zend_do_receive_param(ZEND_RECV_INIT, &$4, &$6, &$1, $2.op_type, $3.op_type TSRMLS_CC); } ; optional_class_type: /* empty */ { $$.op_type = IS_UNUSED; } | T_ARRAY { $$.op_type = IS_CONST; Z_TYPE_INFO($$.u.constant)=IS_ARRAY; } | T_CALLABLE { $$.op_type = IS_CONST; Z_TYPE_INFO($$.u.constant)=IS_CALLABLE; } | fully_qualified_class_name { $$ = $1; } ; function_call_parameter_list: '(' ')' { Z_LVAL($$.u.constant) = 0; } | '(' non_empty_function_call_parameter_list ')' { $$ = $2; } | '(' yield_expr ')' { zend_do_pass_param(&$2, ZEND_SEND_VAL TSRMLS_CC); } ; non_empty_function_call_parameter_list: function_call_parameter | non_empty_function_call_parameter_list ',' function_call_parameter ; function_call_parameter: expr_without_variable { zend_do_pass_param(&$1, ZEND_SEND_VAL TSRMLS_CC); } | variable { zend_do_pass_param(&$1, ZEND_SEND_VAR TSRMLS_CC); } | '&' w_variable { zend_do_pass_param(&$2, ZEND_SEND_REF TSRMLS_CC); } | T_ELLIPSIS expr { zend_do_unpack_params(&$2 TSRMLS_CC); } ; global_var_list: global_var_list ',' global_var { zend_do_fetch_global_variable(&$3, NULL, ZEND_FETCH_GLOBAL_LOCK TSRMLS_CC); } | global_var { zend_do_fetch_global_variable(&$1, NULL, ZEND_FETCH_GLOBAL_LOCK TSRMLS_CC); } ; global_var: T_VARIABLE { $$ = $1; } | '$' r_variable { $$ = $2; } | '$' '{' expr '}' { $$ = $3; } ; static_var_list: static_var_list ',' T_VARIABLE { zend_do_fetch_static_variable(&$3, NULL, ZEND_FETCH_STATIC TSRMLS_CC); } | static_var_list ',' T_VARIABLE '=' static_scalar { Z_CONST_FLAGS($5.u.constant) = 0; zend_do_fetch_static_variable(&$3, &$5, ZEND_FETCH_STATIC TSRMLS_CC); } | T_VARIABLE { zend_do_fetch_static_variable(&$1, NULL, ZEND_FETCH_STATIC TSRMLS_CC); } | T_VARIABLE '=' static_scalar { Z_CONST_FLAGS($3.u.constant) = 0; zend_do_fetch_static_variable(&$1, &$3, ZEND_FETCH_STATIC TSRMLS_CC); } ; class_statement_list: class_statement_list class_statement | /* empty */ ; class_statement: variable_modifiers { CG(access_type) = Z_LVAL($1.u.constant); } class_variable_declaration ';' | class_constant_declaration ';' | trait_use_statement | method_modifiers function is_reference T_STRING { zend_do_begin_function_declaration(&$2, &$4, 1, $3.op_type, &$1 TSRMLS_CC); } '(' parameter_list ')' method_body { zend_do_abstract_method(&$4, &$1, &$9 TSRMLS_CC); zend_do_end_function_declaration(&$2 TSRMLS_CC); } ; trait_use_statement: T_USE trait_list trait_adaptations ; trait_list: fully_qualified_class_name { zend_do_use_trait(&$1 TSRMLS_CC); } | trait_list ',' fully_qualified_class_name { zend_do_use_trait(&$3 TSRMLS_CC); } ; trait_adaptations: ';' | '{' trait_adaptation_list '}' ; trait_adaptation_list: /* empty */ | non_empty_trait_adaptation_list ; non_empty_trait_adaptation_list: trait_adaptation_statement | non_empty_trait_adaptation_list trait_adaptation_statement ; trait_adaptation_statement: trait_precedence ';' | trait_alias ';' ; trait_precedence: trait_method_reference_fully_qualified T_INSTEADOF trait_reference_list { zend_add_trait_precedence(&$1, &$3 TSRMLS_CC); } ; trait_reference_list: fully_qualified_class_name { zend_resolve_class_name(&$1 TSRMLS_CC); zend_init_list(&$$.u.op.ptr, Z_STR($1.u.constant) TSRMLS_CC); } | trait_reference_list ',' fully_qualified_class_name { zend_resolve_class_name(&$3 TSRMLS_CC); zend_add_to_list(&$1.u.op.ptr, Z_STR($3.u.constant) TSRMLS_CC); $$ = $1; } ; trait_method_reference: T_STRING { zend_prepare_reference(&$$, NULL, &$1 TSRMLS_CC); } | trait_method_reference_fully_qualified { $$ = $1; } ; trait_method_reference_fully_qualified: fully_qualified_class_name T_PAAMAYIM_NEKUDOTAYIM T_STRING { zend_prepare_reference(&$$, &$1, &$3 TSRMLS_CC); } ; trait_alias: trait_method_reference T_AS trait_modifiers T_STRING { zend_add_trait_alias(&$1, &$3, &$4 TSRMLS_CC); } | trait_method_reference T_AS member_modifier { zend_add_trait_alias(&$1, &$3, NULL TSRMLS_CC); } ; trait_modifiers: /* empty */ { Z_LVAL($$.u.constant) = 0x0; } /* No change of methods visibility */ | member_modifier { $$ = $1; } /* REM: Keep in mind, there are not only visibility modifiers */ ; method_body: ';' /* abstract method */ { Z_LVAL($$.u.constant) = ZEND_ACC_ABSTRACT; } | '{' inner_statement_list '}' { Z_LVAL($$.u.constant) = 0; } ; variable_modifiers: non_empty_member_modifiers { $$ = $1; } | T_VAR { Z_LVAL($$.u.constant) = ZEND_ACC_PUBLIC; } ; method_modifiers: /* empty */ { Z_LVAL($$.u.constant) = ZEND_ACC_PUBLIC; } | non_empty_member_modifiers { $$ = $1; if (!(Z_LVAL($$.u.constant) & ZEND_ACC_PPP_MASK)) { Z_LVAL($$.u.constant) |= ZEND_ACC_PUBLIC; } } ; non_empty_member_modifiers: member_modifier { $$ = $1; } | non_empty_member_modifiers member_modifier { Z_LVAL($$.u.constant) = zend_do_verify_access_types(&$1, &$2); } ; member_modifier: T_PUBLIC { Z_LVAL($$.u.constant) = ZEND_ACC_PUBLIC; } | T_PROTECTED { Z_LVAL($$.u.constant) = ZEND_ACC_PROTECTED; } | T_PRIVATE { Z_LVAL($$.u.constant) = ZEND_ACC_PRIVATE; } | T_STATIC { Z_LVAL($$.u.constant) = ZEND_ACC_STATIC; } | T_ABSTRACT { Z_LVAL($$.u.constant) = ZEND_ACC_ABSTRACT; } | T_FINAL { Z_LVAL($$.u.constant) = ZEND_ACC_FINAL; } ; class_variable_declaration: class_variable_declaration ',' T_VARIABLE { zend_do_declare_property(&$3, NULL, CG(access_type) TSRMLS_CC); } | class_variable_declaration ',' T_VARIABLE '=' static_scalar { zend_do_declare_property(&$3, &$5, CG(access_type) TSRMLS_CC); } | T_VARIABLE { zend_do_declare_property(&$1, NULL, CG(access_type) TSRMLS_CC); } | T_VARIABLE '=' static_scalar { zend_do_declare_property(&$1, &$3, CG(access_type) TSRMLS_CC); } ; class_constant_declaration: class_constant_declaration ',' T_STRING '=' static_scalar { zend_do_declare_class_constant(&$3, &$5 TSRMLS_CC); } | T_CONST T_STRING '=' static_scalar { zend_do_declare_class_constant(&$2, &$4 TSRMLS_CC); } ; echo_expr_list: echo_expr_list ',' expr { zend_do_echo(&$3 TSRMLS_CC); } | expr { zend_do_echo(&$1 TSRMLS_CC); } ; for_expr: /* empty */ { $$.op_type = IS_CONST; ZVAL_BOOL(&$$.u.constant, 1); } | non_empty_for_expr { $$ = $1; } ; non_empty_for_expr: non_empty_for_expr ',' { zend_do_free(&$1 TSRMLS_CC); } expr { $$ = $4; } | expr { $$ = $1; } ; chaining_method_or_property: chaining_method_or_property variable_property { $$.EA = $2.EA; } | variable_property { $$.EA = $1.EA; } ; chaining_dereference: chaining_dereference '[' dim_offset ']' { fetch_array_dim(&$$, &$1, &$3 TSRMLS_CC); } | '[' dim_offset ']' { zend_do_pop_object(&$1 TSRMLS_CC); fetch_array_dim(&$$, &$1, &$2 TSRMLS_CC); } ; chaining_instance_call: chaining_dereference { zend_do_push_object(&$1 TSRMLS_CC); } chaining_method_or_property { $$ = $3; } | chaining_dereference { zend_do_push_object(&$1 TSRMLS_CC); $$ = $1; } | chaining_method_or_property { $$ = $1; } ; instance_call: /* empty */ { $$ = $0; } | { zend_do_push_object(&$0 TSRMLS_CC); zend_do_begin_variable_parse(TSRMLS_C); } chaining_instance_call { zend_do_pop_object(&$$ TSRMLS_CC); zend_do_end_variable_parse(&$2, BP_VAR_R, 0 TSRMLS_CC); } ; new_expr: 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(&$$, &$1 TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C);} ; expr_without_variable: T_LIST '(' { zend_do_list_init(TSRMLS_C); } assignment_list ')' '=' expr { zend_do_list_end(&$$, &$7 TSRMLS_CC); } | variable '=' expr { zend_check_writable_variable(&$1); zend_do_assign(&$$, &$1, &$3 TSRMLS_CC); } | variable '=' '&' variable { zend_check_writable_variable(&$1); zend_do_end_variable_parse(&$4, BP_VAR_W, 1 TSRMLS_CC); zend_do_end_variable_parse(&$1, BP_VAR_W, 0 TSRMLS_CC); zend_do_assign_ref(&$$, &$1, &$4 TSRMLS_CC); } | 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(&$$, &$1, &$3 TSRMLS_CC); } | T_CLONE expr { zend_do_clone(&$$, &$2 TSRMLS_CC); } | 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, &$$, &$1, &$3 TSRMLS_CC); } | variable T_MINUS_EQUAL expr { zend_check_writable_variable(&$1); zend_do_end_variable_parse(&$1, BP_VAR_RW, 0 TSRMLS_CC); zend_do_binary_assign_op(ZEND_ASSIGN_SUB, &$$, &$1, &$3 TSRMLS_CC); } | 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, &$$, &$1, &$3 TSRMLS_CC); } | variable T_POW_EQUAL expr { zend_check_writable_variable(&$1); zend_do_end_variable_parse(&$1, BP_VAR_RW, 0 TSRMLS_CC); zend_do_binary_assign_op(ZEND_ASSIGN_POW, &$$, &$1, &$3 TSRMLS_CC); } | 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, &$$, &$1, &$3 TSRMLS_CC); } | variable T_CONCAT_EQUAL expr { zend_check_writable_variable(&$1); zend_do_end_variable_parse(&$1, BP_VAR_RW, 0 TSRMLS_CC); zend_do_binary_assign_op(ZEND_ASSIGN_CONCAT, &$$, &$1, &$3 TSRMLS_CC); } | 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, &$$, &$1, &$3 TSRMLS_CC); } | variable T_AND_EQUAL expr { zend_check_writable_variable(&$1); zend_do_end_variable_parse(&$1, BP_VAR_RW, 0 TSRMLS_CC); zend_do_binary_assign_op(ZEND_ASSIGN_BW_AND, &$$, &$1, &$3 TSRMLS_CC); } | 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, &$$, &$1, &$3 TSRMLS_CC); } | variable T_XOR_EQUAL expr { zend_check_writable_variable(&$1); zend_do_end_variable_parse(&$1, BP_VAR_RW, 0 TSRMLS_CC); zend_do_binary_assign_op(ZEND_ASSIGN_BW_XOR, &$$, &$1, &$3 TSRMLS_CC); } | 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, &$$, &$1, &$3 TSRMLS_CC); } | variable T_SR_EQUAL expr { zend_check_writable_variable(&$1); zend_do_end_variable_parse(&$1, BP_VAR_RW, 0 TSRMLS_CC); zend_do_binary_assign_op(ZEND_ASSIGN_SR, &$$, &$1, &$3 TSRMLS_CC); } | rw_variable T_INC { zend_do_post_incdec(&$$, &$1, ZEND_POST_INC TSRMLS_CC); } | T_INC rw_variable { zend_do_pre_incdec(&$$, &$2, ZEND_PRE_INC TSRMLS_CC); } | rw_variable T_DEC { zend_do_post_incdec(&$$, &$1, ZEND_POST_DEC TSRMLS_CC); } | T_DEC rw_variable { zend_do_pre_incdec(&$$, &$2, ZEND_PRE_DEC TSRMLS_CC); } | expr T_BOOLEAN_OR { zend_do_boolean_or_begin(&$1, &$2 TSRMLS_CC); } expr { zend_do_boolean_or_end(&$$, &$1, &$4, &$2 TSRMLS_CC); } | expr T_BOOLEAN_AND { zend_do_boolean_and_begin(&$1, &$2 TSRMLS_CC); } expr { zend_do_boolean_and_end(&$$, &$1, &$4, &$2 TSRMLS_CC); } | expr T_LOGICAL_OR { zend_do_boolean_or_begin(&$1, &$2 TSRMLS_CC); } expr { zend_do_boolean_or_end(&$$, &$1, &$4, &$2 TSRMLS_CC); } | expr T_LOGICAL_AND { zend_do_boolean_and_begin(&$1, &$2 TSRMLS_CC); } expr { zend_do_boolean_and_end(&$$, &$1, &$4, &$2 TSRMLS_CC); } | expr T_LOGICAL_XOR expr { zend_do_binary_op(ZEND_BOOL_XOR, &$$, &$1, &$3 TSRMLS_CC); } | expr '|' expr { zend_do_binary_op(ZEND_BW_OR, &$$, &$1, &$3 TSRMLS_CC); } | expr '&' expr { zend_do_binary_op(ZEND_BW_AND, &$$, &$1, &$3 TSRMLS_CC); } | expr '^' expr { zend_do_binary_op(ZEND_BW_XOR, &$$, &$1, &$3 TSRMLS_CC); } | expr '.' expr { zend_do_binary_op(ZEND_CONCAT, &$$, &$1, &$3 TSRMLS_CC); } | expr '+' expr { zend_do_binary_op(ZEND_ADD, &$$, &$1, &$3 TSRMLS_CC); } | expr '-' expr { zend_do_binary_op(ZEND_SUB, &$$, &$1, &$3 TSRMLS_CC); } | expr '*' expr { zend_do_binary_op(ZEND_MUL, &$$, &$1, &$3 TSRMLS_CC); } | expr T_POW expr { zend_do_binary_op(ZEND_POW, &$$, &$1, &$3 TSRMLS_CC); } | expr '/' expr { zend_do_binary_op(ZEND_DIV, &$$, &$1, &$3 TSRMLS_CC); } | expr '%' expr { zend_do_binary_op(ZEND_MOD, &$$, &$1, &$3 TSRMLS_CC); } | expr T_SL expr { zend_do_binary_op(ZEND_SL, &$$, &$1, &$3 TSRMLS_CC); } | expr T_SR expr { zend_do_binary_op(ZEND_SR, &$$, &$1, &$3 TSRMLS_CC); } | '+' expr %prec T_INC { ZVAL_LONG(&$1.u.constant, 0); if ($2.op_type == IS_CONST) { add_function(&$2.u.constant, &$1.u.constant, &$2.u.constant TSRMLS_CC); $$ = $2; } else { $1.op_type = IS_CONST; zend_do_binary_op(ZEND_ADD, &$$, &$1, &$2 TSRMLS_CC); } } | '-' expr %prec T_INC { ZVAL_LONG(&$1.u.constant, 0); if ($2.op_type == IS_CONST) { sub_function(&$2.u.constant, &$1.u.constant, &$2.u.constant TSRMLS_CC); $$ = $2; } else { $1.op_type = IS_CONST; zend_do_binary_op(ZEND_SUB, &$$, &$1, &$2 TSRMLS_CC); } } | '!' expr { zend_do_unary_op(ZEND_BOOL_NOT, &$$, &$2 TSRMLS_CC); } | '~' expr { zend_do_unary_op(ZEND_BW_NOT, &$$, &$2 TSRMLS_CC); } | expr T_IS_IDENTICAL expr { zend_do_binary_op(ZEND_IS_IDENTICAL, &$$, &$1, &$3 TSRMLS_CC); } | expr T_IS_NOT_IDENTICAL expr { zend_do_binary_op(ZEND_IS_NOT_IDENTICAL, &$$, &$1, &$3 TSRMLS_CC); } | expr T_IS_EQUAL expr { zend_do_binary_op(ZEND_IS_EQUAL, &$$, &$1, &$3 TSRMLS_CC); } | expr T_IS_NOT_EQUAL expr { zend_do_binary_op(ZEND_IS_NOT_EQUAL, &$$, &$1, &$3 TSRMLS_CC); } | expr '<' expr { zend_do_binary_op(ZEND_IS_SMALLER, &$$, &$1, &$3 TSRMLS_CC); } | expr T_IS_SMALLER_OR_EQUAL expr { zend_do_binary_op(ZEND_IS_SMALLER_OR_EQUAL, &$$, &$1, &$3 TSRMLS_CC); } | expr '>' expr { zend_do_binary_op(ZEND_IS_SMALLER, &$$, &$3, &$1 TSRMLS_CC); } | expr T_IS_GREATER_OR_EQUAL expr { zend_do_binary_op(ZEND_IS_SMALLER_OR_EQUAL, &$$, &$3, &$1 TSRMLS_CC); } | expr T_INSTANCEOF class_name_reference { zend_do_instanceof(&$$, &$1, &$3, 0 TSRMLS_CC); } | parenthesis_expr { $$ = $1; } | new_expr { $$ = $1; } | '(' new_expr ')' { $$ = $2; } instance_call { $$ = $5; } | expr '?' { zend_do_begin_qm_op(&$1, &$2 TSRMLS_CC); } expr ':' { zend_do_qm_true(&$4, &$2, &$5 TSRMLS_CC); } expr { zend_do_qm_false(&$$, &$7, &$2, &$5 TSRMLS_CC); } | expr '?' ':' { zend_do_jmp_set(&$1, &$2, &$3 TSRMLS_CC); } expr { zend_do_jmp_set_else(&$$, &$5, &$2, &$3 TSRMLS_CC); } | internal_functions_in_yacc { $$ = $1; } | T_INT_CAST expr { zend_do_cast(&$$, &$2, IS_LONG TSRMLS_CC); } | T_DOUBLE_CAST expr { zend_do_cast(&$$, &$2, IS_DOUBLE TSRMLS_CC); } | T_STRING_CAST expr { zend_do_cast(&$$, &$2, IS_STRING TSRMLS_CC); } | T_ARRAY_CAST expr { zend_do_cast(&$$, &$2, IS_ARRAY TSRMLS_CC); } | T_OBJECT_CAST expr { zend_do_cast(&$$, &$2, IS_OBJECT TSRMLS_CC); } | T_BOOL_CAST expr { zend_do_cast(&$$, &$2, _IS_BOOL TSRMLS_CC); } | T_UNSET_CAST expr { zend_do_cast(&$$, &$2, IS_NULL TSRMLS_CC); } | T_EXIT exit_expr { zend_do_exit(&$$, &$2 TSRMLS_CC); } | '@' { zend_do_begin_silence(&$1 TSRMLS_CC); } expr { zend_do_end_silence(&$1 TSRMLS_CC); $$ = $3; } | scalar { $$ = $1; } | combined_scalar_offset { zend_do_end_variable_parse(&$1, BP_VAR_R, 0 TSRMLS_CC); } | combined_scalar { $$ = $1; } | '`' backticks_expr '`' { zend_do_shell_exec(&$$, &$2 TSRMLS_CC); } | T_PRINT expr { zend_do_print(&$$, &$2 TSRMLS_CC); } | T_YIELD { zend_do_yield(&$$, NULL, NULL, 0 TSRMLS_CC); } | function is_reference { zend_do_begin_lambda_function_declaration(&$$, &$1, $2.op_type, 0 TSRMLS_CC); } '(' parameter_list ')' lexical_vars '{' inner_statement_list '}' { zend_do_end_function_declaration(&$1 TSRMLS_CC); $$ = $3; } | T_STATIC function is_reference { zend_do_begin_lambda_function_declaration(&$$, &$2, $3.op_type, 1 TSRMLS_CC); } '(' parameter_list ')' lexical_vars '{' inner_statement_list '}' { zend_do_end_function_declaration(&$2 TSRMLS_CC); $$ = $4; } ; yield_expr: T_YIELD expr_without_variable { zend_do_yield(&$$, &$2, NULL, 0 TSRMLS_CC); } | T_YIELD variable { zend_do_yield(&$$, &$2, NULL, 1 TSRMLS_CC); } | T_YIELD expr T_DOUBLE_ARROW expr_without_variable { zend_do_yield(&$$, &$4, &$2, 0 TSRMLS_CC); } | T_YIELD expr T_DOUBLE_ARROW variable { zend_do_yield(&$$, &$4, &$2, 1 TSRMLS_CC); } ; combined_scalar_offset: combined_scalar '[' dim_offset ']' { zend_do_begin_variable_parse(TSRMLS_C); fetch_array_dim(&$$, &$1, &$3 TSRMLS_CC); } | combined_scalar_offset '[' dim_offset ']' { fetch_array_dim(&$$, &$1, &$3 TSRMLS_CC); } | T_CONSTANT_ENCAPSED_STRING '[' dim_offset ']' { $1.EA = 0; zend_do_begin_variable_parse(TSRMLS_C); fetch_array_dim(&$$, &$1, &$3 TSRMLS_CC); } combined_scalar: T_ARRAY '(' array_pair_list ')' { $$ = $3; } | '[' array_pair_list ']' { $$ = $2; } function: T_FUNCTION { $$.u.op.opline_num = CG(zend_lineno); } ; lexical_vars: /* empty */ | T_USE '(' lexical_var_list ')' ; lexical_var_list: lexical_var_list ',' T_VARIABLE { zend_do_fetch_lexical_variable(&$3, 0 TSRMLS_CC); } | lexical_var_list ',' '&' T_VARIABLE { zend_do_fetch_lexical_variable(&$4, 1 TSRMLS_CC); } | T_VARIABLE { zend_do_fetch_lexical_variable(&$1, 0 TSRMLS_CC); } | '&' T_VARIABLE { zend_do_fetch_lexical_variable(&$2, 1 TSRMLS_CC); } ; function_call: namespace_name { $$.u.op.opline_num = zend_do_begin_function_call(&$1, 1 TSRMLS_CC); } function_call_parameter_list { zend_do_end_function_call(&$1, &$$, 0, $2.u.op.opline_num TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C); } | T_NAMESPACE T_NS_SEPARATOR namespace_name { $1.op_type = IS_CONST; ZVAL_EMPTY_STRING(&$1.u.constant); zend_do_build_namespace_name(&$1, &$1, &$3 TSRMLS_CC); $$.u.op.opline_num = zend_do_begin_function_call(&$1, 0 TSRMLS_CC); } function_call_parameter_list { zend_do_end_function_call(&$1, &$$, 0, $4.u.op.opline_num TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C); } | T_NS_SEPARATOR namespace_name { $$.u.op.opline_num = zend_do_begin_function_call(&$2, 0 TSRMLS_CC); } function_call_parameter_list { zend_do_end_function_call(&$2, &$$, 0, $3.u.op.opline_num TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C); } | class_name T_PAAMAYIM_NEKUDOTAYIM variable_name { $$.u.op.opline_num = zend_do_begin_class_member_function_call(&$1, &$3 TSRMLS_CC); } function_call_parameter_list { zend_do_end_function_call($4.u.op.opline_num?NULL:&$3, &$$, $4.u.op.opline_num, $4.u.op.opline_num TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C);} | class_name T_PAAMAYIM_NEKUDOTAYIM variable_without_objects { zend_do_end_variable_parse(&$3, BP_VAR_R, 0 TSRMLS_CC); zend_do_begin_class_member_function_call(&$1, &$3 TSRMLS_CC); } function_call_parameter_list { zend_do_end_function_call(NULL, &$$, 1, 1 TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C);} | variable_class_name T_PAAMAYIM_NEKUDOTAYIM variable_name { zend_do_begin_class_member_function_call(&$1, &$3 TSRMLS_CC); } function_call_parameter_list { zend_do_end_function_call(NULL, &$$, 1, 1 TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C);} | variable_class_name T_PAAMAYIM_NEKUDOTAYIM variable_without_objects { zend_do_end_variable_parse(&$3, BP_VAR_R, 0 TSRMLS_CC); zend_do_begin_class_member_function_call(&$1, &$3 TSRMLS_CC); } function_call_parameter_list { zend_do_end_function_call(NULL, &$$, 1, 1 TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C);} | 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); } function_call_parameter_list { zend_do_end_function_call(&$1, &$$, 0, 1 TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C);} ; class_name: T_STATIC { $$.op_type = IS_CONST; ZVAL_STRINGL(&$$.u.constant, "static", sizeof("static")-1);} | namespace_name { $$ = $1; } | T_NAMESPACE T_NS_SEPARATOR namespace_name { $$.op_type = IS_CONST; ZVAL_EMPTY_STRING(&$$.u.constant); zend_do_build_namespace_name(&$$, &$$, &$3 TSRMLS_CC); } | T_NS_SEPARATOR namespace_name { zval tmp; ZVAL_NEW_STR(&tmp, STR_ALLOC(Z_STRLEN($2.u.constant)+1, 0)); Z_STRVAL(tmp)[0] = '\\'; memcpy(Z_STRVAL(tmp) + 1, Z_STRVAL($2.u.constant), Z_STRLEN($2.u.constant)+1); if (Z_DELREF($2.u.constant) == 0) {efree(Z_STR($2.u.constant));} Z_STR($2.u.constant) = Z_STR(tmp); $$ = $2; } ; fully_qualified_class_name: namespace_name { $$ = $1; } | T_NAMESPACE T_NS_SEPARATOR namespace_name { $$.op_type = IS_CONST; ZVAL_EMPTY_STRING(&$$.u.constant); zend_do_build_namespace_name(&$$, &$$, &$3 TSRMLS_CC); } | T_NS_SEPARATOR namespace_name { zval tmp; ZVAL_NEW_STR(&tmp, STR_ALLOC(Z_STRLEN($2.u.constant)+1, 0)); Z_STRVAL(tmp)[0] = '\\'; memcpy(Z_STRVAL(tmp) + 1, Z_STRVAL($2.u.constant), Z_STRLEN($2.u.constant)+1); if (Z_DELREF($2.u.constant) == 0) {efree(Z_STR($2.u.constant));} Z_STR($2.u.constant) = Z_STR(tmp); $$ = $2; } ; class_name_reference: class_name { zend_do_fetch_class(&$$, &$1 TSRMLS_CC); } | dynamic_class_name_reference { zend_do_end_variable_parse(&$1, BP_VAR_R, 0 TSRMLS_CC); zend_do_fetch_class(&$$, &$1 TSRMLS_CC); } ; dynamic_class_name_reference: base_variable T_OBJECT_OPERATOR { zend_do_push_object(&$1 TSRMLS_CC); } object_property { zend_do_push_object(&$4 TSRMLS_CC); } dynamic_class_name_variable_properties { zend_do_pop_object(&$$ TSRMLS_CC); $$.EA = ZEND_PARSED_MEMBER; } | base_variable { $$ = $1; } ; dynamic_class_name_variable_properties: dynamic_class_name_variable_properties dynamic_class_name_variable_property | /* empty */ ; dynamic_class_name_variable_property: T_OBJECT_OPERATOR object_property { zend_do_push_object(&$2 TSRMLS_CC); } ; exit_expr: /* empty */ { memset(&$$, 0, sizeof(znode)); $$.op_type = IS_UNUSED; } | '(' ')' { memset(&$$, 0, sizeof(znode)); $$.op_type = IS_UNUSED; } | parenthesis_expr { $$ = $1; } ; backticks_expr: /* empty */ { ZVAL_EMPTY_STRING(&$$.u.constant); $$.op_type = IS_CONST; } | T_ENCAPSED_AND_WHITESPACE { $$ = $1; } | encaps_list { $$ = $1; } ; ctor_arguments: /* empty */ { Z_LVAL($$.u.constant) = 0; } | function_call_parameter_list { $$ = $1; } ; common_scalar: T_LNUMBER { $$ = $1; } | T_DNUMBER { $$ = $1; } | T_CONSTANT_ENCAPSED_STRING { $$ = $1; } | T_LINE { $$ = $1; } | T_FILE { $$ = $1; } | T_DIR { $$ = $1; } | T_TRAIT_C { $$ = $1; } | T_METHOD_C { $$ = $1; } | T_FUNC_C { $$ = $1; } | T_NS_C { $$ = $1; } | T_START_HEREDOC T_ENCAPSED_AND_WHITESPACE T_END_HEREDOC { $$ = $2; } | T_START_HEREDOC T_END_HEREDOC { ZVAL_EMPTY_STRING(&$$.u.constant); $$.op_type = IS_CONST; } ; static_class_constant: class_name T_PAAMAYIM_NEKUDOTAYIM T_STRING { zend_do_fetch_constant(&$$, &$1, &$3, ZEND_CT, 0 TSRMLS_CC); } ; static_scalar: /* compile-time evaluated scalars */ static_scalar_value { zend_do_constant_expression(&$$, $1.u.ast TSRMLS_CC); } ; static_scalar_value: common_scalar { $$.u.ast = zend_ast_create_constant(&$1.u.constant); } | static_class_name_scalar { $$.u.ast = zend_ast_create_constant(&$1.u.constant); } | namespace_name { zend_do_fetch_constant(&$$, NULL, &$1, ZEND_CT, 1 TSRMLS_CC); $$.u.ast = zend_ast_create_constant(&$$.u.constant); } | T_NAMESPACE T_NS_SEPARATOR namespace_name { $$.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(&$$.u.constant); } | T_NS_SEPARATOR namespace_name { zval tmp; ZVAL_NEW_STR(&tmp, STR_ALLOC(Z_STRLEN($2.u.constant)+1, 0)); Z_STRVAL(tmp)[0] = '\\'; memcpy(Z_STRVAL(tmp) + 1, Z_STRVAL($2.u.constant), Z_STRLEN($2.u.constant)+1); if (Z_DELREF($2.u.constant) == 0) {efree(Z_STR($2.u.constant));} Z_STR($2.u.constant) = Z_STR(tmp); zend_do_fetch_constant(&$$, NULL, &$2, ZEND_CT, 0 TSRMLS_CC); $$.u.ast = zend_ast_create_constant(&$$.u.constant); } | T_ARRAY '(' static_array_pair_list ')' { $$ = $3; } | '[' static_array_pair_list ']' { $$ = $2; } | static_class_constant { $$.u.ast = zend_ast_create_constant(&$1.u.constant); } | T_CLASS_C { $$.u.ast = zend_ast_create_constant(&$1.u.constant); } | static_operation { $$ = $1; } ; static_operation: static_scalar_value '+' static_scalar_value { $$.u.ast = zend_ast_create_binary(ZEND_ADD, $1.u.ast, $3.u.ast); } | static_scalar_value '-' static_scalar_value { $$.u.ast = zend_ast_create_binary(ZEND_SUB, $1.u.ast, $3.u.ast); } | static_scalar_value '*' static_scalar_value { $$.u.ast = zend_ast_create_binary(ZEND_MUL, $1.u.ast, $3.u.ast); } | static_scalar_value T_POW static_scalar_value { $$.u.ast = zend_ast_create_binary(ZEND_POW, $1.u.ast, $3.u.ast); } | static_scalar_value '/' static_scalar_value { $$.u.ast = zend_ast_create_binary(ZEND_DIV, $1.u.ast, $3.u.ast); } | static_scalar_value '%' static_scalar_value { $$.u.ast = zend_ast_create_binary(ZEND_MOD, $1.u.ast, $3.u.ast); } | '!' static_scalar_value { $$.u.ast = zend_ast_create_unary(ZEND_BOOL_NOT, $2.u.ast); } | '~' static_scalar_value { $$.u.ast = zend_ast_create_unary(ZEND_BW_NOT, $2.u.ast); } | static_scalar_value '|' static_scalar_value { $$.u.ast = zend_ast_create_binary(ZEND_BW_OR, $1.u.ast, $3.u.ast); } | static_scalar_value '&' static_scalar_value { $$.u.ast = zend_ast_create_binary(ZEND_BW_AND, $1.u.ast, $3.u.ast); } | static_scalar_value '^' static_scalar_value { $$.u.ast = zend_ast_create_binary(ZEND_BW_XOR, $1.u.ast, $3.u.ast); } | static_scalar_value T_SL static_scalar_value { $$.u.ast = zend_ast_create_binary(ZEND_SL, $1.u.ast, $3.u.ast); } | static_scalar_value T_SR static_scalar_value { $$.u.ast = zend_ast_create_binary(ZEND_SR, $1.u.ast, $3.u.ast); } | static_scalar_value '.' static_scalar_value { $$.u.ast = zend_ast_create_binary(ZEND_CONCAT, $1.u.ast, $3.u.ast); } | static_scalar_value T_LOGICAL_XOR static_scalar_value { $$.u.ast = zend_ast_create_binary(ZEND_BOOL_XOR, $1.u.ast, $3.u.ast); } | static_scalar_value T_LOGICAL_AND static_scalar_value { $$.u.ast = zend_ast_create_binary(ZEND_BOOL_AND, $1.u.ast, $3.u.ast); } | static_scalar_value T_LOGICAL_OR static_scalar_value { $$.u.ast = zend_ast_create_binary(ZEND_BOOL_OR, $1.u.ast, $3.u.ast); } | static_scalar_value T_BOOLEAN_AND static_scalar_value { $$.u.ast = zend_ast_create_binary(ZEND_BOOL_AND, $1.u.ast, $3.u.ast); } | static_scalar_value T_BOOLEAN_OR static_scalar_value { $$.u.ast = zend_ast_create_binary(ZEND_BOOL_OR, $1.u.ast, $3.u.ast); } | static_scalar_value T_IS_IDENTICAL static_scalar_value { $$.u.ast = zend_ast_create_binary(ZEND_IS_IDENTICAL, $1.u.ast, $3.u.ast); } | static_scalar_value T_IS_NOT_IDENTICAL static_scalar_value { $$.u.ast = zend_ast_create_binary(ZEND_IS_NOT_IDENTICAL, $1.u.ast, $3.u.ast); } | static_scalar_value T_IS_EQUAL static_scalar_value { $$.u.ast = zend_ast_create_binary(ZEND_IS_EQUAL, $1.u.ast, $3.u.ast); } | static_scalar_value T_IS_NOT_EQUAL static_scalar_value { $$.u.ast = zend_ast_create_binary(ZEND_IS_NOT_EQUAL, $1.u.ast, $3.u.ast); } | static_scalar_value '<' static_scalar_value { $$.u.ast = zend_ast_create_binary(ZEND_IS_SMALLER, $1.u.ast, $3.u.ast); } | static_scalar_value '>' static_scalar_value { $$.u.ast = zend_ast_create_binary(ZEND_IS_SMALLER, $3.u.ast, $1.u.ast); } | static_scalar_value T_IS_SMALLER_OR_EQUAL static_scalar_value { $$.u.ast = zend_ast_create_binary(ZEND_IS_SMALLER_OR_EQUAL, $1.u.ast, $3.u.ast); } | static_scalar_value T_IS_GREATER_OR_EQUAL static_scalar_value { $$.u.ast = zend_ast_create_binary(ZEND_IS_SMALLER_OR_EQUAL, $3.u.ast, $1.u.ast); } | static_scalar_value '?' ':' static_scalar_value { $$.u.ast = zend_ast_create_ternary(ZEND_SELECT, $1.u.ast, NULL, $4.u.ast); } | static_scalar_value '?' static_scalar_value ':' static_scalar_value { $$.u.ast = zend_ast_create_ternary(ZEND_SELECT, $1.u.ast, $3.u.ast, $5.u.ast); } | '+' static_scalar_value { $$.u.ast = zend_ast_create_unary(ZEND_UNARY_PLUS, $2.u.ast); } | '-' static_scalar_value { $$.u.ast = zend_ast_create_unary(ZEND_UNARY_MINUS, $2.u.ast); } | '(' static_scalar_value ')' { $$ = $2; } ; scalar: T_STRING_VARNAME { $$ = $1; } | class_name_scalar { $$ = $1; } | class_constant { $$ = $1; } | namespace_name { zend_do_fetch_constant(&$$, NULL, &$1, ZEND_RT, 1 TSRMLS_CC); } | T_NAMESPACE T_NS_SEPARATOR namespace_name { $$.op_type = IS_CONST; ZVAL_EMPTY_STRING(&$$.u.constant); zend_do_build_namespace_name(&$$, &$$, &$3 TSRMLS_CC); $3 = $$; zend_do_fetch_constant(&$$, NULL, &$3, ZEND_RT, 0 TSRMLS_CC); } | T_NS_SEPARATOR namespace_name { zval tmp; ZVAL_NEW_STR(&tmp, STR_ALLOC(Z_STRLEN($2.u.constant)+1, 0)); Z_STRVAL(tmp)[0] = '\\'; memcpy(Z_STRVAL(tmp) + 1, Z_STRVAL($2.u.constant), Z_STRLEN($2.u.constant)+1); if (Z_DELREF($2.u.constant) == 0) {efree(Z_STR($2.u.constant));} Z_STR($2.u.constant) = Z_STR(tmp); zend_do_fetch_constant(&$$, NULL, &$2, ZEND_RT, 0 TSRMLS_CC); } | common_scalar { $$ = $1; } | '"' encaps_list '"' { $$ = $2; } | T_START_HEREDOC encaps_list T_END_HEREDOC { $$ = $2; } | T_CLASS_C { if (Z_TYPE($1.u.constant) == IS_CONSTANT) {zend_do_fetch_constant(&$$, NULL, &$1, ZEND_RT, 1 TSRMLS_CC);} else {$$ = $1;} } ; static_array_pair_list: /* empty */ { $$.op_type = IS_CONST; array_init(&$$.u.constant); $$.u.ast = zend_ast_create_constant(&$$.u.constant); } | non_empty_static_array_pair_list possible_comma { zend_ast_dynamic_shrink(&$1.u.ast); $$ = $1; } ; possible_comma: /* empty */ | ',' ; non_empty_static_array_pair_list: 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); } | 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); } | 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(&$$.u.ast, $3.u.ast); } | static_scalar_value { $$.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); } ; expr: r_variable { $$ = $1; } | expr_without_variable { $$ = $1; } ; parenthesis_expr: '(' expr ')' { $$ = $2; } | '(' yield_expr ')' { $$ = $2; } ; r_variable: variable { zend_do_end_variable_parse(&$1, BP_VAR_R, 0 TSRMLS_CC); $$ = $1; } ; w_variable: variable { zend_do_end_variable_parse(&$1, BP_VAR_W, 0 TSRMLS_CC); $$ = $1; zend_check_writable_variable(&$1); } ; rw_variable: variable { zend_do_end_variable_parse(&$1, BP_VAR_RW, 0 TSRMLS_CC); $$ = $1; zend_check_writable_variable(&$1); } ; variable: base_variable_with_function_calls T_OBJECT_OPERATOR { zend_do_push_object(&$1 TSRMLS_CC); } object_property { zend_do_push_object(&$4 TSRMLS_CC); } method_or_not variable_properties { zend_do_pop_object(&$$ TSRMLS_CC); $$.EA = $1.EA | ($7.EA ? $7.EA : $6.EA); } | base_variable_with_function_calls { $$ = $1; } ; variable_properties: variable_properties variable_property { $$.EA = $2.EA; } | /* empty */ { $$.EA = 0; } ; variable_property: T_OBJECT_OPERATOR object_property { zend_do_push_object(&$2 TSRMLS_CC); } method_or_not { $$.EA = $4.EA; } ; array_method_dereference: array_method_dereference '[' dim_offset ']' { fetch_array_dim(&$$, &$1, &$3 TSRMLS_CC); } | method '[' dim_offset ']' { $1.EA = ZEND_PARSED_METHOD_CALL; fetch_array_dim(&$$, &$1, &$3 TSRMLS_CC); } ; method: { zend_do_pop_object(&$$ TSRMLS_CC); zend_do_begin_method_call(&$$ TSRMLS_CC); } function_call_parameter_list { zend_do_end_function_call(&$1, &$$, 1, 1 TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C); } ; method_or_not: method { $$ = $1; $$.EA = ZEND_PARSED_METHOD_CALL; zend_do_push_object(&$$ TSRMLS_CC); } | array_method_dereference { $$ = $1; zend_do_push_object(&$$ TSRMLS_CC); } | /* empty */ { $$.EA = ZEND_PARSED_MEMBER; } ; variable_without_objects: reference_variable { $$ = $1; } | simple_indirect_reference reference_variable { zend_do_indirect_references(&$$, &$1, &$2 TSRMLS_CC); } ; static_member: class_name T_PAAMAYIM_NEKUDOTAYIM variable_without_objects { $$ = $3; zend_do_fetch_static_member(&$$, &$1 TSRMLS_CC); } | variable_class_name T_PAAMAYIM_NEKUDOTAYIM variable_without_objects { $$ = $3; zend_do_fetch_static_member(&$$, &$1 TSRMLS_CC); } ; variable_class_name: reference_variable { zend_do_end_variable_parse(&$1, BP_VAR_R, 0 TSRMLS_CC); $$=$1;; } ; array_function_dereference: array_function_dereference '[' dim_offset ']' { fetch_array_dim(&$$, &$1, &$3 TSRMLS_CC); } | function_call { zend_do_begin_variable_parse(TSRMLS_C); $1.EA = ZEND_PARSED_FUNCTION_CALL; } '[' dim_offset ']' { fetch_array_dim(&$$, &$1, &$4 TSRMLS_CC); } ; base_variable_with_function_calls: base_variable { $$ = $1; } | array_function_dereference { $$ = $1; } | function_call { zend_do_begin_variable_parse(TSRMLS_C); $$ = $1; $$.EA = ZEND_PARSED_FUNCTION_CALL; } ; base_variable: reference_variable { $$ = $1; $$.EA = ZEND_PARSED_VARIABLE; } | simple_indirect_reference reference_variable { zend_do_indirect_references(&$$, &$1, &$2 TSRMLS_CC); $$.EA = ZEND_PARSED_VARIABLE; } | static_member { $$ = $1; $$.EA = ZEND_PARSED_STATIC_MEMBER; } ; reference_variable: reference_variable '[' dim_offset ']' { fetch_array_dim(&$$, &$1, &$3 TSRMLS_CC); } | reference_variable '{' expr '}' { fetch_string_offset(&$$, &$1, &$3 TSRMLS_CC); } | compound_variable { zend_do_begin_variable_parse(TSRMLS_C); fetch_simple_variable(&$$, &$1, 1 TSRMLS_CC); } ; compound_variable: T_VARIABLE { $$ = $1; } | '$' '{' expr '}' { $$ = $3; } ; dim_offset: /* empty */ { $$.op_type = IS_UNUSED; } | expr { $$ = $1; } ; object_property: object_dim_list { $$ = $1; } | variable_without_objects { zend_do_end_variable_parse(&$1, BP_VAR_R, 0 TSRMLS_CC); } { znode tmp_znode; zend_do_pop_object(&tmp_znode TSRMLS_CC); zend_do_fetch_property(&$$, &tmp_znode, &$1 TSRMLS_CC);} ; object_dim_list: object_dim_list '[' dim_offset ']' { fetch_array_dim(&$$, &$1, &$3 TSRMLS_CC); } | object_dim_list '{' expr '}' { fetch_string_offset(&$$, &$1, &$3 TSRMLS_CC); } | variable_name { znode tmp_znode; zend_do_pop_object(&tmp_znode TSRMLS_CC); zend_do_fetch_property(&$$, &tmp_znode, &$1 TSRMLS_CC);} ; variable_name: T_STRING { $$ = $1; } | '{' expr '}' { $$ = $2; } ; simple_indirect_reference: '$' { Z_LVAL($$.u.constant) = 1; } | simple_indirect_reference '$' { Z_LVAL($$.u.constant)++; } ; assignment_list: assignment_list ',' assignment_list_element | assignment_list_element ; assignment_list_element: variable { zend_do_add_list_element(&$1 TSRMLS_CC); } | T_LIST '(' { zend_do_new_list_begin(TSRMLS_C); } assignment_list ')' { zend_do_new_list_end(TSRMLS_C); } | /* empty */ { zend_do_add_list_element(NULL TSRMLS_CC); } ; array_pair_list: /* empty */ { zend_do_init_array(&$$, NULL, NULL, 0 TSRMLS_CC); zend_do_end_array(&$$, &$$ TSRMLS_CC); } | non_empty_array_pair_list possible_comma { zend_do_end_array(&$$, &$1 TSRMLS_CC); } ; non_empty_array_pair_list: non_empty_array_pair_list ',' expr T_DOUBLE_ARROW expr { zend_do_add_array_element(&$$, &$5, &$3, 0 TSRMLS_CC); } | non_empty_array_pair_list ',' expr { zend_do_add_array_element(&$$, &$3, NULL, 0 TSRMLS_CC); } | expr T_DOUBLE_ARROW expr { zend_do_init_array(&$$, &$3, &$1, 0 TSRMLS_CC); } | expr { zend_do_init_array(&$$, &$1, NULL, 0 TSRMLS_CC); } | non_empty_array_pair_list ',' expr T_DOUBLE_ARROW '&' w_variable { zend_do_add_array_element(&$$, &$6, &$3, 1 TSRMLS_CC); } | non_empty_array_pair_list ',' '&' w_variable { zend_do_add_array_element(&$$, &$4, NULL, 1 TSRMLS_CC); } | expr T_DOUBLE_ARROW '&' w_variable { zend_do_init_array(&$$, &$4, &$1, 1 TSRMLS_CC); } | '&' w_variable { zend_do_init_array(&$$, &$2, NULL, 1 TSRMLS_CC); } ; encaps_list: encaps_list encaps_var { zend_do_end_variable_parse(&$2, BP_VAR_R, 0 TSRMLS_CC); zend_do_add_variable(&$$, &$1, &$2 TSRMLS_CC); } | encaps_list T_ENCAPSED_AND_WHITESPACE { zend_do_add_string(&$$, &$1, &$2 TSRMLS_CC); } | encaps_var { zend_do_end_variable_parse(&$1, BP_VAR_R, 0 TSRMLS_CC); zend_do_add_variable(&$$, NULL, &$1 TSRMLS_CC); } | T_ENCAPSED_AND_WHITESPACE encaps_var { zend_do_add_string(&$$, NULL, &$1 TSRMLS_CC); zend_do_end_variable_parse(&$2, BP_VAR_R, 0 TSRMLS_CC); zend_do_add_variable(&$$, &$$, &$2 TSRMLS_CC); } ; encaps_var: T_VARIABLE { zend_do_begin_variable_parse(TSRMLS_C); fetch_simple_variable(&$$, &$1, 1 TSRMLS_CC); } | T_VARIABLE '[' { zend_do_begin_variable_parse(TSRMLS_C); } encaps_var_offset ']' { fetch_array_begin(&$$, &$1, &$4 TSRMLS_CC); } | T_VARIABLE T_OBJECT_OPERATOR T_STRING { zend_do_begin_variable_parse(TSRMLS_C); fetch_simple_variable(&$2, &$1, 1 TSRMLS_CC); zend_do_fetch_property(&$$, &$2, &$3 TSRMLS_CC); } | T_DOLLAR_OPEN_CURLY_BRACES expr '}' { zend_do_begin_variable_parse(TSRMLS_C); fetch_simple_variable(&$$, &$2, 1 TSRMLS_CC); } | T_DOLLAR_OPEN_CURLY_BRACES T_STRING_VARNAME '[' expr ']' '}' { zend_do_begin_variable_parse(TSRMLS_C); fetch_array_begin(&$$, &$2, &$4 TSRMLS_CC); } | T_CURLY_OPEN variable '}' { $$ = $2; } ; encaps_var_offset: T_STRING { $$ = $1; } | T_NUM_STRING { $$ = $1; } | T_VARIABLE { fetch_simple_variable(&$$, &$1, 1 TSRMLS_CC); } ; internal_functions_in_yacc: T_ISSET '(' isset_variables ')' { $$ = $3; } | T_EMPTY '(' variable ')' { zend_do_isset_or_isempty(ZEND_ISEMPTY, &$$, &$3 TSRMLS_CC); } | T_EMPTY '(' expr_without_variable ')' { zend_do_unary_op(ZEND_BOOL_NOT, &$$, &$3 TSRMLS_CC); } | T_INCLUDE expr { zend_do_include_or_eval(ZEND_INCLUDE, &$$, &$2 TSRMLS_CC); } | T_INCLUDE_ONCE expr { zend_do_include_or_eval(ZEND_INCLUDE_ONCE, &$$, &$2 TSRMLS_CC); } | T_EVAL '(' expr ')' { zend_do_include_or_eval(ZEND_EVAL, &$$, &$3 TSRMLS_CC); } | T_REQUIRE expr { zend_do_include_or_eval(ZEND_REQUIRE, &$$, &$2 TSRMLS_CC); } | T_REQUIRE_ONCE expr { zend_do_include_or_eval(ZEND_REQUIRE_ONCE, &$$, &$2 TSRMLS_CC); } ; isset_variables: isset_variable { $$ = $1; } | isset_variables ',' { zend_do_boolean_and_begin(&$1, &$2 TSRMLS_CC); } isset_variable { zend_do_boolean_and_end(&$$, &$1, &$4, &$2 TSRMLS_CC); } ; isset_variable: variable { zend_do_isset_or_isempty(ZEND_ISSET, &$$, &$1 TSRMLS_CC); } | expr_without_variable { zend_error_noreturn(E_COMPILE_ERROR, "Cannot use isset() on the result of an expression (you can use \"null !== expression\" instead)"); } ; class_constant: class_name T_PAAMAYIM_NEKUDOTAYIM T_STRING { zend_do_fetch_constant(&$$, &$1, &$3, ZEND_RT, 0 TSRMLS_CC); } | variable_class_name T_PAAMAYIM_NEKUDOTAYIM T_STRING { zend_do_fetch_constant(&$$, &$1, &$3, ZEND_RT, 0 TSRMLS_CC); } ; static_class_name_scalar: class_name T_PAAMAYIM_NEKUDOTAYIM T_CLASS { zend_do_resolve_class_name(&$$, &$1, 1 TSRMLS_CC); } ; class_name_scalar: class_name T_PAAMAYIM_NEKUDOTAYIM T_CLASS { zend_do_resolve_class_name(&$$, &$1, 0 TSRMLS_CC); } ; %% /* Copy to YYRES the contents of YYSTR after stripping away unnecessary quotes and backslashes, so that it's suitable for yyerror. The heuristic is that double-quoting is unnecessary unless the string contains an apostrophe, a comma, or backslash (other than backslash-backslash). YYSTR is taken from yytname. If YYRES is null, do not copy; instead, return the length of what the result would have been. */ static YYSIZE_T zend_yytnamerr(char *yyres, const char *yystr) { if (!yyres) { return yystrlen(yystr); } { TSRMLS_FETCH(); if (CG(parse_error) == 0) { char buffer[120]; const unsigned char *end, *str, *tok1 = NULL, *tok2 = NULL; unsigned int len = 0, toklen = 0, yystr_len; CG(parse_error) = 1; if (LANG_SCNG(yy_text)[0] == 0 && LANG_SCNG(yy_leng) == 1 && memcmp(yystr, "\"end of file\"", sizeof("\"end of file\"") - 1) == 0) { yystpcpy(yyres, "end of file"); return sizeof("end of file")-1; } str = LANG_SCNG(yy_text); end = memchr(str, '\n', LANG_SCNG(yy_leng)); yystr_len = yystrlen(yystr); if ((tok1 = memchr(yystr, '(', yystr_len)) != NULL && (tok2 = zend_memrchr(yystr, ')', yystr_len)) != NULL) { toklen = (tok2 - tok1) + 1; } else { tok1 = tok2 = NULL; toklen = 0; } if (end == NULL) { len = LANG_SCNG(yy_leng) > 30 ? 30 : LANG_SCNG(yy_leng); } else { len = (end - str) > 30 ? 30 : (end - str); } if (toklen) { snprintf(buffer, sizeof(buffer), "'%.*s' %.*s", len, str, toklen, tok1); } else { snprintf(buffer, sizeof(buffer), "'%.*s'", len, str); } yystpcpy(yyres, buffer); return len + (toklen ? toklen + 1 : 0) + 2; } } if (*yystr == '"') { YYSIZE_T yyn = 0; const char *yyp = yystr; for (; *++yyp != '"'; ++yyn) { yyres[yyn] = *yyp; } yyres[yyn] = '\0'; return yyn; } yystpcpy(yyres, yystr); return strlen(yystr); } /* * Local variables: * tab-width: 4 * c-basic-offset: 4 * indent-tabs-mode: t * End: */