diff options
Diffstat (limited to 'recherches/grammaire/zend_language_parser.y')
| -rw-r--r-- | recherches/grammaire/zend_language_parser.y | 1245 |
1 files changed, 1245 insertions, 0 deletions
diff --git a/recherches/grammaire/zend_language_parser.y b/recherches/grammaire/zend_language_parser.y new file mode 100644 index 0000000..d0730b7 --- /dev/null +++ b/recherches/grammaire/zend_language_parser.y @@ -0,0 +1,1245 @@ +%{ +/* + +----------------------------------------------------------------------+ + | Zend Engine | + +----------------------------------------------------------------------+ + | Copyright (c) 1998-2012 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 +#ifdef ZTS +# define YYPARSE_PARAM tsrm_ls +# define YYLEX_PARAM tsrm_ls +#endif + + +%} + +%pure_parser +%expect 3 + +%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)" +%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 +%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 '@' +%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_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)" + +%% /* 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); } + | 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); } +; + +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(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 '(' expr ')' { zend_do_if_cond(&$3, &$4 TSRMLS_CC); } statement { zend_do_if_after_statement(&$4, 1 TSRMLS_CC); } elseif_list else_single { zend_do_if_end(TSRMLS_C); } + | T_IF '(' expr ')' ':' { zend_do_if_cond(&$3, &$4 TSRMLS_CC); } inner_statement_list { zend_do_if_after_statement(&$4, 1 TSRMLS_CC); } new_elseif_list new_else_single T_ENDIF ';' { zend_do_if_end(TSRMLS_C); } + | T_WHILE '(' { $1.u.op.opline_num = get_next_op_number(CG(active_op_array)); } expr ')' { zend_do_while_cond(&$4, &$5 TSRMLS_CC); } while_statement { zend_do_while_end(&$1, &$5 TSRMLS_CC); } + | T_DO { $1.u.op.opline_num = get_next_op_number(CG(active_op_array)); zend_do_do_while_begin(TSRMLS_C); } statement T_WHILE '(' { $5.u.op.opline_num = get_next_op_number(CG(active_op_array)); } expr ')' ';' { zend_do_do_while_end(&$1, &$5, &$7 TSRMLS_CC); } + | 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 '(' expr ')' { zend_do_switch_cond(&$3 TSRMLS_CC); } switch_case_list { zend_do_switch_end(&$6 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); } + | 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); } + variable foreach_optional_arg ')' { zend_check_writable_variable(&$6); 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 '}' + T_CATCH '(' { zend_initialize_try_catch_element(&$1 TSRMLS_CC); } + fully_qualified_class_name { zend_do_first_catch(&$7 TSRMLS_CC); } + T_VARIABLE ')' { zend_do_begin_catch(&$1, &$9, &$11, &$7 TSRMLS_CC); } + '{' inner_statement_list '}' { zend_do_end_catch(&$1 TSRMLS_CC); } + additional_catches { zend_do_mark_last_catch(&$7, &$18 TSRMLS_CC); } + | T_THROW expr ';' { zend_do_throw(&$2 TSRMLS_CC); } + | T_GOTO T_STRING ';' { zend_do_goto(&$2 TSRMLS_CC); } +; + + +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 = ZEND_RETURN_VAL; } + | '&' { $$.op_type = ZEND_RETURN_REF; } +; + + +unticked_function_declaration_statement: + function is_reference T_STRING { zend_do_begin_function_declaration(&$1, &$3, 0, $2.op_type, NULL TSRMLS_CC); } + '(' parameter_list ')' '{' inner_statement_list '}' { zend_do_end_function_declaration(&$1 TSRMLS_CC); } +; + +unticked_class_declaration_statement: + class_entry_type T_STRING extends_from + { zend_do_begin_class_declaration(&$1, &$2, &$3 TSRMLS_CC); } + implements_list + '{' + class_statement_list + '}' { zend_do_end_class_declaration(&$1, &$2 TSRMLS_CC); } + | interface_entry T_STRING + { zend_do_begin_class_declaration(&$1, &$2, NULL TSRMLS_CC); } + interface_extends_list + '{' + class_statement_list + '}' { zend_do_end_class_declaration(&$1, &$2 TSRMLS_CC); } +; + + +class_entry_type: + T_CLASS { $$.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; } +; + +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); $$.op_type = IS_CONST; } +; + + +case_separator: + ':' + | ';' +; + + +while_statement: + statement + | ':' inner_statement_list T_ENDWHILE ';' +; + + + +elseif_list: + /* empty */ + | elseif_list T_ELSEIF '(' expr ')' { zend_do_if_cond(&$4, &$5 TSRMLS_CC); } statement { zend_do_if_after_statement(&$5, 0 TSRMLS_CC); } +; + + +new_elseif_list: + /* empty */ + | new_elseif_list T_ELSEIF '(' expr ')' ':' { zend_do_if_cond(&$4, &$5 TSRMLS_CC); } inner_statement_list { zend_do_if_after_statement(&$5, 0 TSRMLS_CC); } +; + + +else_single: + /* empty */ + | T_ELSE statement +; + + +new_else_single: + /* empty */ + | T_ELSE ':' inner_statement_list +; + + +parameter_list: + non_empty_parameter_list + | /* empty */ +; + + +non_empty_parameter_list: + optional_class_type T_VARIABLE { $$.op_type = IS_UNUSED; $$.u.op.num=1; zend_do_receive_arg(ZEND_RECV, &$2, &$$, NULL, &$1, 0 TSRMLS_CC); } + | optional_class_type '&' T_VARIABLE { $$.op_type = IS_UNUSED; $$.u.op.num=1; zend_do_receive_arg(ZEND_RECV, &$3, &$$, NULL, &$1, 1 TSRMLS_CC); } + | optional_class_type '&' T_VARIABLE '=' static_scalar { $$.op_type = IS_UNUSED; $$.u.op.num=1; zend_do_receive_arg(ZEND_RECV_INIT, &$3, &$$, &$5, &$1, 1 TSRMLS_CC); } + | optional_class_type T_VARIABLE '=' static_scalar { $$.op_type = IS_UNUSED; $$.u.op.num=1; zend_do_receive_arg(ZEND_RECV_INIT, &$2, &$$, &$4, &$1, 0 TSRMLS_CC); } + | non_empty_parameter_list ',' optional_class_type T_VARIABLE { $$=$1; $$.u.op.num++; zend_do_receive_arg(ZEND_RECV, &$4, &$$, NULL, &$3, 0 TSRMLS_CC); } + | non_empty_parameter_list ',' optional_class_type '&' T_VARIABLE { $$=$1; $$.u.op.num++; zend_do_receive_arg(ZEND_RECV, &$5, &$$, NULL, &$3, 1 TSRMLS_CC); } + | non_empty_parameter_list ',' optional_class_type '&' T_VARIABLE '=' static_scalar { $$=$1; $$.u.op.num++; zend_do_receive_arg(ZEND_RECV_INIT, &$5, &$$, &$7, &$3, 1 TSRMLS_CC); } + | non_empty_parameter_list ',' optional_class_type T_VARIABLE '=' static_scalar { $$=$1; $$.u.op.num++; zend_do_receive_arg(ZEND_RECV_INIT, &$4, &$$, &$6, &$3, 0 TSRMLS_CC); } +; + + +optional_class_type: + /* empty */ { $$.op_type = IS_UNUSED; } + | T_ARRAY { $$.op_type = IS_CONST; Z_TYPE($$.u.constant)=IS_ARRAY; } + | T_CALLABLE { $$.op_type = IS_CONST; Z_TYPE($$.u.constant)=IS_CALLABLE; } + | fully_qualified_class_name { $$ = $1; } +; + + +function_call_parameter_list: + non_empty_function_call_parameter_list { $$ = $1; } + | /* empty */ { Z_LVAL($$.u.constant) = 0; } +; + + +non_empty_function_call_parameter_list: + expr_without_variable { Z_LVAL($$.u.constant) = 1; zend_do_pass_param(&$1, ZEND_SEND_VAL, Z_LVAL($$.u.constant) TSRMLS_CC); } + | variable { Z_LVAL($$.u.constant) = 1; zend_do_pass_param(&$1, ZEND_SEND_VAR, Z_LVAL($$.u.constant) TSRMLS_CC); } + | '&' w_variable { Z_LVAL($$.u.constant) = 1; zend_do_pass_param(&$2, ZEND_SEND_REF, Z_LVAL($$.u.constant) TSRMLS_CC); } + | non_empty_function_call_parameter_list ',' expr_without_variable { Z_LVAL($$.u.constant)=Z_LVAL($1.u.constant)+1; zend_do_pass_param(&$3, ZEND_SEND_VAL, Z_LVAL($$.u.constant) TSRMLS_CC); } + | non_empty_function_call_parameter_list ',' variable { Z_LVAL($$.u.constant)=Z_LVAL($1.u.constant)+1; zend_do_pass_param(&$3, ZEND_SEND_VAR, Z_LVAL($$.u.constant) TSRMLS_CC); } + | non_empty_function_call_parameter_list ',' '&' w_variable { Z_LVAL($$.u.constant)=Z_LVAL($1.u.constant)+1; zend_do_pass_param(&$4, ZEND_SEND_REF, Z_LVAL($$.u.constant) TSRMLS_CC); } +; + +global_var_list: + global_var_list ',' global_var { zend_do_fetch_global_variable(&$3, NULL, ZEND_FETCH_GLOBAL_LOCK TSRMLS_CC); } + | global_var { zend_do_fetch_global_variable(&$1, NULL, ZEND_FETCH_GLOBAL_LOCK TSRMLS_CC); } +; + + +global_var: + T_VARIABLE { $$ = $1; } + | '$' 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 { 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 { 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_implements_trait(&$1 TSRMLS_CC); } + | trait_list ',' fully_qualified_class_name { zend_do_implements_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 ';' { zend_add_trait_precedence(&$1 TSRMLS_CC); } + | trait_alias ';' { zend_add_trait_alias(&$1 TSRMLS_CC); } +; + +trait_precedence: + trait_method_reference_fully_qualified T_INSTEADOF trait_reference_list { zend_prepare_trait_precedence(&$$, &$1, &$3 TSRMLS_CC); } +; + +trait_reference_list: + fully_qualified_class_name { zend_resolve_class_name(&$1, ZEND_FETCH_CLASS_GLOBAL, 1 TSRMLS_CC); zend_init_list(&$$.u.op.ptr, Z_STRVAL($1.u.constant) TSRMLS_CC); } + | trait_reference_list ',' fully_qualified_class_name { zend_resolve_class_name(&$3, ZEND_FETCH_CLASS_GLOBAL, 1 TSRMLS_CC); zend_add_to_list(&$1.u.op.ptr, Z_STRVAL($3.u.constant) TSRMLS_CC); $$ = $1; } +; + +trait_method_reference: + T_STRING { zend_prepare_reference(&$$, 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_prepare_trait_alias(&$$, &$1, &$3, &$4 TSRMLS_CC); } + | trait_method_reference T_AS member_modifier { zend_prepare_trait_alias(&$$, &$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 */ { $$.op_type = IS_CONST; Z_TYPE($$.u.constant) = IS_BOOL; Z_LVAL($$.u.constant) = 1; } + | non_empty_for_expr { $$ = $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, &$4 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(&$$, &$1, &$4 TSRMLS_CC); } + | variable '=' '&' T_NEW class_name_reference { zend_error(E_DEPRECATED, "Assigning the return value of new by reference is deprecated"); zend_check_writable_variable(&$1); zend_do_extended_fcall_begin(TSRMLS_C); zend_do_begin_new_object(&$4, &$5 TSRMLS_CC); } ctor_arguments { zend_do_end_new_object(&$3, &$4, &$7 TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C); zend_do_end_variable_parse(&$1, BP_VAR_W, 0 TSRMLS_CC); $3.EA = ZEND_PARSED_NEW; zend_do_assign_ref(&$$, &$1, &$3 TSRMLS_CC); } + | 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_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 '/' 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); $$ = $2; } else { $1.op_type = IS_CONST; INIT_PZVAL(&$1.u.constant); zend_do_binary_op(ZEND_ADD, &$$, &$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); $$ = $2; } else { $1.op_type = IS_CONST; INIT_PZVAL(&$1.u.constant); zend_do_binary_op(ZEND_SUB, &$$, &$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(&$$, &$1, &$3, 0 TSRMLS_CC); } + | '(' expr ')' { $$ = $2; } + | 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; } + | T_ARRAY '(' array_pair_list ')' { $$ = $3; } + | '[' array_pair_list ']' { $$ = $2; } + | '`' backticks_expr '`' { zend_do_shell_exec(&$$, &$2 TSRMLS_CC); } + | T_PRINT expr { zend_do_print(&$$, &$2 TSRMLS_CC); } + | function is_reference '(' { zend_do_begin_lambda_function_declaration(&$$, &$1, $2.op_type, 0 TSRMLS_CC); } + parameter_list ')' lexical_vars '{' inner_statement_list '}' { zend_do_end_function_declaration(&$1 TSRMLS_CC); $$ = $4; } + | T_STATIC function is_reference '(' { zend_do_begin_lambda_function_declaration(&$$, &$2, $3.op_type, 1 TSRMLS_CC); } + parameter_list ')' lexical_vars '{' inner_statement_list '}' { zend_do_end_function_declaration(&$2 TSRMLS_CC); $$ = $5; } +; + +function: + T_FUNCTION { $$.u.op.opline_num = CG(zend_lineno); } +; + +lexical_vars: + /* empty */ + | T_USE '(' lexical_var_list ')' +; + +lexical_var_list: + lexical_var_list ',' T_VARIABLE { zend_do_fetch_lexical_variable(&$3, 0 TSRMLS_CC); } + | lexical_var_list ',' '&' T_VARIABLE { zend_do_fetch_lexical_variable(&$4, 1 TSRMLS_CC); } + | T_VARIABLE { zend_do_fetch_lexical_variable(&$1, 0 TSRMLS_CC); } + | '&' T_VARIABLE { zend_do_fetch_lexical_variable(&$2, 1 TSRMLS_CC); } +; + +function_call: + namespace_name '(' { $2.u.op.opline_num = zend_do_begin_function_call(&$1, 1 TSRMLS_CC); } + function_call_parameter_list + ')' { zend_do_end_function_call(&$1, &$$, &$4, 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); $4.u.op.opline_num = zend_do_begin_function_call(&$1, 0 TSRMLS_CC); } + function_call_parameter_list + ')' { zend_do_end_function_call(&$1, &$$, &$6, 0, $4.u.op.opline_num TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C); } + | T_NS_SEPARATOR namespace_name '(' { $3.u.op.opline_num = zend_do_begin_function_call(&$2, 0 TSRMLS_CC); } + function_call_parameter_list + ')' { zend_do_end_function_call(&$2, &$$, &$5, 0, $3.u.op.opline_num TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C); } + | class_name T_PAAMAYIM_NEKUDOTAYIM variable_name '(' { $4.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, &$$, &$6, $4.u.op.opline_num, $4.u.op.opline_num TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C);} + | class_name T_PAAMAYIM_NEKUDOTAYIM variable_without_objects '(' { zend_do_end_variable_parse(&$3, BP_VAR_R, 0 TSRMLS_CC); zend_do_begin_class_member_function_call(&$1, &$3 TSRMLS_CC); } + function_call_parameter_list + ')' { zend_do_end_function_call(NULL, &$$, &$6, 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, &$$, &$6, 1, 1 TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C);} + | variable_class_name T_PAAMAYIM_NEKUDOTAYIM variable_without_objects '(' { zend_do_end_variable_parse(&$3, BP_VAR_R, 0 TSRMLS_CC); zend_do_begin_class_member_function_call(&$1, &$3 TSRMLS_CC); } + function_call_parameter_list + ')' { zend_do_end_function_call(NULL, &$$, &$6, 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, &$$, &$4, 0, 1 TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C);} +; + +class_name: + T_STATIC { $$.op_type = IS_CONST; ZVAL_STRINGL(&$$.u.constant, "static", sizeof("static")-1, 1);} + | namespace_name { $$ = $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 { 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); $$ = $2; } +; + +fully_qualified_class_name: + namespace_name { $$ = $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 { 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); $$ = $2; } +; + + + +class_name_reference: + class_name { zend_do_fetch_class(&$$, &$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; } + | '(' expr ')' { $$ = $2; } +; + +backticks_expr: + /* empty */ { ZVAL_EMPTY_STRING(&$$.u.constant); INIT_PZVAL(&$$.u.constant); $$.op_type = IS_CONST; } + | T_ENCAPSED_AND_WHITESPACE { $$ = $1; } + | encaps_list { $$ = $1; } +; + + +ctor_arguments: + /* empty */ { Z_LVAL($$.u.constant)=0; } + | '(' function_call_parameter_list ')' { $$ = $2; } +; + + +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 { $$ = $2; CG(heredoc) = Z_STRVAL($1.u.constant); CG(heredoc_len) = Z_STRLEN($1.u.constant); } + | T_START_HEREDOC T_END_HEREDOC { ZVAL_EMPTY_STRING(&$$.u.constant); INIT_PZVAL(&$$.u.constant); $$.op_type = IS_CONST; CG(heredoc) = Z_STRVAL($1.u.constant); CG(heredoc_len) = Z_STRLEN($1.u.constant); } +; + + +static_scalar: /* compile-time evaluated scalars */ + common_scalar { $$ = $1; } + | namespace_name { zend_do_fetch_constant(&$$, NULL, &$1, ZEND_CT, 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_CT, 0 TSRMLS_CC); } + | 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(&$$, NULL, &$2, ZEND_CT, 0 TSRMLS_CC); } + | '+' static_scalar { ZVAL_LONG(&$1.u.constant, 0); add_function(&$2.u.constant, &$1.u.constant, &$2.u.constant TSRMLS_CC); $$ = $2; } + | '-' static_scalar { ZVAL_LONG(&$1.u.constant, 0); sub_function(&$2.u.constant, &$1.u.constant, &$2.u.constant TSRMLS_CC); $$ = $2; } + | T_ARRAY '(' static_array_pair_list ')' { $$ = $3; Z_TYPE($$.u.constant) = IS_CONSTANT_ARRAY; } + | '[' static_array_pair_list ']' { $$ = $2; Z_TYPE($$.u.constant) = IS_CONSTANT_ARRAY; } + | static_class_constant { $$ = $1; } + | T_CLASS_C { $$ = $1; } +; + +static_class_constant: + class_name T_PAAMAYIM_NEKUDOTAYIM T_STRING { zend_do_fetch_constant(&$$, &$1, &$3, ZEND_CT, 0 TSRMLS_CC); } +; + +scalar: + T_STRING_VARNAME { $$ = $1; } + | class_constant { $$ = $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(&$$, NULL, &$3, ZEND_RT, 0 TSRMLS_CC); } + | T_NS_SEPARATOR namespace_name { char *tmp = estrndup(Z_STRVAL($2.u.constant), Z_STRLEN($2.u.constant)+1); memcpy(&(tmp[1]), Z_STRVAL($2.u.constant), Z_STRLEN($2.u.constant)+1); tmp[0] = '\\'; efree(Z_STRVAL($2.u.constant)); Z_STRVAL($2.u.constant) = tmp; ++Z_STRLEN($2.u.constant); zend_do_fetch_constant(&$$, NULL, &$2, ZEND_RT, 0 TSRMLS_CC); } + | common_scalar { $$ = $1; } + | '"' encaps_list '"' { $$ = $2; } + | T_START_HEREDOC encaps_list T_END_HEREDOC { $$ = $2; CG(heredoc) = Z_STRVAL($1.u.constant); CG(heredoc_len) = Z_STRLEN($1.u.constant); } + | T_CLASS_C { if (Z_TYPE($1.u.constant) == IS_CONSTANT) {zend_do_fetch_constant(&$$, NULL, &$1, ZEND_RT, 1 TSRMLS_CC);} else {$$ = $1;} } +; + + +static_array_pair_list: + /* empty */ { $$.op_type = IS_CONST; INIT_PZVAL(&$$.u.constant); array_init(&$$.u.constant); } + | non_empty_static_array_pair_list possible_comma { $$ = $1; } +; + +possible_comma: + /* empty */ + | ',' +; + +non_empty_static_array_pair_list: + non_empty_static_array_pair_list ',' static_scalar T_DOUBLE_ARROW static_scalar { zend_do_add_static_array_element(&$$, &$3, &$5); } + | non_empty_static_array_pair_list ',' static_scalar { zend_do_add_static_array_element(&$$, NULL, &$3); } + | static_scalar T_DOUBLE_ARROW static_scalar { $$.op_type = IS_CONST; INIT_PZVAL(&$$.u.constant); array_init(&$$.u.constant); zend_do_add_static_array_element(&$$, &$1, &$3); } + | static_scalar { $$.op_type = IS_CONST; INIT_PZVAL(&$$.u.constant); array_init(&$$.u.constant); zend_do_add_static_array_element(&$$, NULL, &$1); } +; + +expr: + r_variable { $$ = $1; } + | expr_without_variable { $$ = $1; } +; + + +r_variable: + variable { zend_do_end_variable_parse(&$1, BP_VAR_R, 0 TSRMLS_CC); $$ = $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(&$1 TSRMLS_CC); zend_do_begin_method_call(&$1 TSRMLS_CC); } + function_call_parameter_list ')' + { zend_do_end_function_call(&$1, &$$, &$3, 1, 1 TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C); } +; + +method_or_not: + method { $$ = $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(&$$, NULL, NULL, 0 TSRMLS_CC); } + | non_empty_array_pair_list possible_comma { $$ = $1; } +; + +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, &$$, &$3 TSRMLS_CC); } + | T_INCLUDE expr { zend_do_include_or_eval(ZEND_INCLUDE, &$$, &$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: + variable { zend_do_isset_or_isempty(ZEND_ISSET, &$$, &$1 TSRMLS_CC); } + | isset_variables ',' { zend_do_boolean_and_begin(&$1, &$2 TSRMLS_CC); } variable { znode tmp; zend_do_isset_or_isempty(ZEND_ISSET, &tmp, &$4 TSRMLS_CC); zend_do_boolean_and_end(&$$, &$1, &tmp, &$2 TSRMLS_CC); } +; + +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); } +; + +%% + +/* 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, ZEND_STRL("\"end of file\"")) == 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: + */ |