diff options
Diffstat (limited to 'Zend/zend_language_parser.y')
| -rw-r--r-- | Zend/zend_language_parser.y | 1430 |
1 files changed, 655 insertions, 775 deletions
diff --git a/Zend/zend_language_parser.y b/Zend/zend_language_parser.y index a6e3182d96..8622fbb441 100644 --- a/Zend/zend_language_parser.y +++ b/Zend/zend_language_parser.y @@ -15,6 +15,7 @@ +----------------------------------------------------------------------+ | Authors: Andi Gutmans <andi@zend.com> | | Zeev Suraski <zeev@zend.com> | + | Nikita Popov <nikic@php.net> | +----------------------------------------------------------------------+ */ @@ -40,12 +41,12 @@ static YYSIZE_T zend_yytnamerr(char*, const char*); #define YYERROR_VERBOSE -#define YYSTYPE znode +#define YYSTYPE zend_parser_stack_elem %} %pure_parser -%expect 3 +%expect 2 %code requires { #ifdef ZTS @@ -188,6 +189,7 @@ static YYSIZE_T zend_yytnamerr(char*, const char*); %token T_EXTENDS "extends (T_EXTENDS)" %token T_IMPLEMENTS "implements (T_IMPLEMENTS)" %token T_OBJECT_OPERATOR "-> (T_OBJECT_OPERATOR)" +%right T_DOUBLE_ARROW %token T_DOUBLE_ARROW "=> (T_DOUBLE_ARROW)" %token T_LIST "list (T_LIST)" %token T_ARRAY "array (T_ARRAY)" @@ -220,299 +222,263 @@ static YYSIZE_T zend_yytnamerr(char*, const char*); %% /* Rules */ start: - top_statement_list { zend_do_end_compilation(TSRMLS_C); } + top_statement_list { CG(ast) = $1.ast; } ; top_statement_list: - top_statement_list { zend_do_extended_info(TSRMLS_C); } top_statement { HANDLE_INTERACTIVE(); } - | /* empty */ + top_statement_list top_statement { $$.list = zend_ast_list_add($1.list, $2.ast); } + | /* empty */ { $$.list = zend_ast_create_list(0, ZEND_AST_STMT_LIST); } ; namespace_name: - T_STRING { $$ = $1; } - | namespace_name T_NS_SEPARATOR T_STRING { zend_do_build_namespace_name(&$$, &$1, &$3 TSRMLS_CC); } + T_STRING { $$.ast = $1.ast; } + | namespace_name T_NS_SEPARATOR T_STRING + { $$.ast = zend_ast_append_str($1.ast, $3.ast); } +; + +name: + namespace_name + { $$.ast = $1.ast; $$.ast->attr = ZEND_NAME_NOT_FQ; } + | T_NAMESPACE T_NS_SEPARATOR namespace_name + { $$.ast = $3.ast; $$.ast->attr = ZEND_NAME_RELATIVE; } + | T_NS_SEPARATOR namespace_name + { $$.ast = $2.ast; $$.ast->attr = ZEND_NAME_FQ; } ; 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); } + statement { $$.ast = $1.ast; } + | function_declaration_statement { $$.ast = $1.ast; } + | class_declaration_statement { $$.ast = $1.ast; } + | T_HALT_COMPILER '(' ')' ';' + { $$.ast = zend_ast_create(ZEND_AST_HALT_COMPILER, + zend_ast_create_zval_from_long(zend_get_scanned_file_offset(TSRMLS_C))); + zend_stop_lexing(TSRMLS_C); } + | T_NAMESPACE namespace_name ';' + { $$.ast = zend_ast_create(ZEND_AST_NAMESPACE, $2.ast, NULL); + RESET_DOC_COMMENT(); } + | T_NAMESPACE namespace_name { RESET_DOC_COMMENT(); } + '{' top_statement_list '}' + { $$.ast = zend_ast_create(ZEND_AST_NAMESPACE, $2.ast, $5.ast); } + | T_NAMESPACE { RESET_DOC_COMMENT(); } + '{' top_statement_list '}' + { $$.ast = zend_ast_create(ZEND_AST_NAMESPACE, NULL, $4.ast); } + | T_USE use_declarations ';' + { $$.ast = $2.ast; $$.ast->attr = T_CLASS; } + | T_USE T_FUNCTION use_declarations ';' + { $$.ast = $3.ast; $$.ast->attr = T_FUNCTION; } + | T_USE T_CONST use_declarations ';' + { $$.ast = $3.ast; $$.ast->attr = T_CONST; } + | T_CONST const_list ';' { $$.ast = $2.ast; } ; use_declarations: use_declarations ',' use_declaration + { $$.list = zend_ast_list_add($1.list, $3.ast); } | use_declaration + { $$.list = zend_ast_create_list(1, ZEND_AST_USE, $1.ast); } ; 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 + namespace_name + { $$.ast = zend_ast_create(ZEND_AST_USE_ELEM, $1.ast, NULL); } + | namespace_name T_AS T_STRING + { $$.ast = zend_ast_create(ZEND_AST_USE_ELEM, $1.ast, $3.ast); } + | T_NS_SEPARATOR namespace_name + { $$.ast = zend_ast_create(ZEND_AST_USE_ELEM, $2.ast, NULL); } + | T_NS_SEPARATOR namespace_name T_AS T_STRING + { $$.ast = zend_ast_create(ZEND_AST_USE_ELEM, $2.ast, $4.ast); } ; -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); } +const_list: + const_list ',' const_decl { $$.list = zend_ast_list_add($1.list, $3.ast); } + | const_decl { $$.list = zend_ast_create_list(1, ZEND_AST_CONST_DECL, $1.ast); } ; inner_statement_list: - inner_statement_list { zend_do_extended_info(TSRMLS_C); } inner_statement { HANDLE_INTERACTIVE(); } + inner_statement_list inner_statement + { $$.list = zend_ast_list_add($1.list, $2.ast); } | /* empty */ + { $$.list = zend_ast_create_list(0, ZEND_AST_STMT_LIST); } ; 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 { $$.ast = $1.ast; } + | function_declaration_statement { $$.ast = $1.ast; } + | class_declaration_statement { $$.ast = $1.ast; } + | T_HALT_COMPILER '(' ')' ';' + { zend_error_noreturn(E_COMPILE_ERROR, "__HALT_COMPILER() can only be used from the outermost scope"); } ; statement: - unticked_statement { DO_TICKS(); } - | T_STRING ':' { zend_do_label(&$1 TSRMLS_CC); } + unticked_statement { $$.ast = $1.ast; } + | T_STRING ':' { $$.ast = zend_ast_create(ZEND_AST_LABEL, $1.ast); } ; unticked_statement: - '{' inner_statement_list '}' - | T_IF parenthesis_expr { zend_do_if_cond(&$2, &$1 TSRMLS_CC); } statement { zend_do_if_after_statement(&$1, 1 TSRMLS_CC); } elseif_list else_single { zend_do_if_end(TSRMLS_C); } - | T_IF parenthesis_expr ':' { zend_do_if_cond(&$2, &$1 TSRMLS_CC); } inner_statement_list { zend_do_if_after_statement(&$1, 1 TSRMLS_CC); } new_elseif_list new_else_single T_ENDIF ';' { zend_do_if_end(TSRMLS_C); } - | T_WHILE { $1.u.op.opline_num = get_next_op_number(CG(active_op_array)); } parenthesis_expr { zend_do_while_cond(&$3, &$$ 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; } + '{' inner_statement_list '}' { $$.ast = $2.ast; } + | if_stmt { $$.ast = $1.ast; } + | alt_if_stmt { $$.ast = $1.ast; } + | T_WHILE parenthesis_expr while_statement + { $$.ast = zend_ast_create(ZEND_AST_WHILE, $2.ast, $3.ast); } + | T_DO statement T_WHILE parenthesis_expr ';' + { $$.ast = zend_ast_create(ZEND_AST_DO_WHILE, $2.ast, $4.ast); } + | T_FOR '(' for_expr ';' for_expr ';' for_expr ')' for_statement + { $$.ast = zend_ast_create(ZEND_AST_FOR, $3.ast, $5.ast, $7.ast, $9.ast); } + | T_SWITCH parenthesis_expr switch_case_list + { $$.ast = zend_ast_create(ZEND_AST_SWITCH, $2.ast, $3.ast); } + | T_BREAK ';' { $$.ast = zend_ast_create(ZEND_AST_BREAK, NULL); } + | T_BREAK expr ';' { $$.ast = zend_ast_create(ZEND_AST_BREAK, $2.ast); } + | T_CONTINUE ';' { $$.ast = zend_ast_create(ZEND_AST_CONTINUE, NULL); } + | T_CONTINUE expr ';' { $$.ast = zend_ast_create(ZEND_AST_CONTINUE, $2.ast); } + | T_RETURN ';' + { $$.ast = zend_ast_create(ZEND_AST_RETURN, NULL); } + | T_RETURN expr ';' + { $$.ast = zend_ast_create(ZEND_AST_RETURN, $2.ast); } + | T_GLOBAL global_var_list ';' { $$.ast = $2.ast; } + | T_STATIC static_var_list ';' { $$.ast = $2.ast; } + | T_ECHO echo_expr_list ';' { $$.ast = $2.ast; } + | T_INLINE_HTML { $$.ast = zend_ast_create(ZEND_AST_ECHO, $1.ast); } + | expr ';' { $$.ast = $1.ast; } + | T_UNSET '(' unset_variables ')' ';' { $$.ast = $3.ast; } + | T_FOREACH '(' expr T_AS foreach_variable ')' foreach_statement + { $$.ast = zend_ast_create(ZEND_AST_FOREACH, + $3.ast, $5.ast, NULL, $7.ast); } + | T_FOREACH '(' expr T_AS foreach_variable T_DOUBLE_ARROW foreach_variable ')' + foreach_statement + { $$.ast = zend_ast_create(ZEND_AST_FOREACH, + $3.ast, $7.ast, $5.ast, $9.ast); } + | T_DECLARE '(' const_list ')' + { zend_handle_encoding_declaration($3.list TSRMLS_CC); } + declare_statement + { $$.ast = zend_ast_create(ZEND_AST_DECLARE, $3.ast, $6.ast); } + | ';' /* empty statement */ { $$.ast = NULL; } + | T_TRY '{' inner_statement_list '}' catch_list finally_statement + { $$.ast = zend_ast_create(ZEND_AST_TRY, $3.ast, $5.ast, $6.ast); } + | T_THROW expr ';' { $$.ast = zend_ast_create(ZEND_AST_THROW, $2.ast); } + | T_GOTO T_STRING ';' { $$.ast = zend_ast_create(ZEND_AST_GOTO, $2.ast); } +; + +catch_list: + /* empty */ + { $$.list = zend_ast_create_list(0, ZEND_AST_CATCH_LIST); } + | catch_list T_CATCH '(' name T_VARIABLE ')' '{' inner_statement_list '}' + { $$.list = zend_ast_list_add($1.list, + zend_ast_create(ZEND_AST_CATCH, $4.ast, $5.ast, $8.ast)); } ; -additional_catch: - T_CATCH '(' fully_qualified_class_name { $$.u.op.opline_num = get_next_op_number(CG(active_op_array)); } T_VARIABLE ')' { zend_do_begin_catch(&$1, &$3, &$5, NULL TSRMLS_CC); } '{' inner_statement_list '}' { zend_do_end_catch(&$1 TSRMLS_CC); } +finally_statement: + /* empty */ { $$.ast = NULL; } + | T_FINALLY '{' inner_statement_list '}' { $$.ast = $3.ast; } ; unset_variables: - unset_variable - | unset_variables ',' unset_variable + unset_variable { $$.list = zend_ast_create_list(1, ZEND_AST_STMT_LIST, $1.ast); } + | unset_variables ',' unset_variable { $$.list = zend_ast_list_add($1.list, $3.ast); } ; unset_variable: - variable { zend_do_end_variable_parse(&$1, BP_VAR_UNSET, 0 TSRMLS_CC); zend_do_unset(&$1 TSRMLS_CC); } + variable { $$.ast = zend_ast_create(ZEND_AST_UNSET, $1.ast); } ; function_declaration_statement: - unticked_function_declaration_statement { DO_TICKS(); } -; - -class_declaration_statement: - unticked_class_declaration_statement { DO_TICKS(); } + function returns_ref T_STRING '(' parameter_list ')' + { $$.str = CG(doc_comment); CG(doc_comment) = NULL; } + '{' inner_statement_list '}' + { $$.ast = zend_ast_create_decl(ZEND_AST_FUNC_DECL, $2.num, $1.num, $7.str, + zend_ast_get_str($3.ast), $5.ast, NULL, $9.ast); } ; is_reference: - /* empty */ { $$.op_type = 0; } - | '&' { $$.op_type = 1; } + /* empty */ { $$.num = 0; } + | '&' { $$.num = ZEND_PARAM_REF; } ; 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); } + /* empty */ { $$.num = 0; } + | T_ELLIPSIS { $$.num = ZEND_PARAM_VARIADIC; } ; - -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; } +class_declaration_statement: + class_type + { $$.num = CG(zend_lineno); } + T_STRING extends_from implements_list + { $$.str = CG(doc_comment); CG(doc_comment) = NULL; } + '{' class_statement_list '}' + { $$.ast = zend_ast_create_decl(ZEND_AST_CLASS, $1.num, $2.num, $6.str, + zend_ast_get_str($3.ast), $4.ast, $5.ast, $8.ast); } + | T_INTERFACE + { $$.num = CG(zend_lineno); } + T_STRING interface_extends_list + { $$.str = CG(doc_comment); CG(doc_comment) = NULL; } + '{' class_statement_list '}' + { $$.ast = zend_ast_create_decl(ZEND_AST_CLASS, ZEND_ACC_INTERFACE, $2.num, $5.str, + zend_ast_get_str($3.ast), NULL, $4.ast, $7.ast); } +; + +class_type: + T_CLASS { $$.num = 0; } + | T_ABSTRACT T_CLASS { $$.num = ZEND_ACC_EXPLICIT_ABSTRACT_CLASS; } + | T_FINAL T_CLASS { $$.num = ZEND_ACC_FINAL_CLASS; } + | T_TRAIT { $$.num = ZEND_ACC_TRAIT; } ; 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; } + /* empty */ { $$.ast = NULL; } + | T_EXTENDS name { $$.ast = $2.ast; } ; interface_extends_list: - /* empty */ - | T_EXTENDS interface_list + /* empty */ { $$.ast = NULL; } + | T_EXTENDS name_list { $$.ast = $2.ast; } ; 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; } + /* empty */ { $$.ast = NULL; } + | T_IMPLEMENTS name_list { $$.ast = $2.ast; } ; 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; $$.EA = ZEND_PARSED_LIST_EXPR; } + variable { $$.ast = $1.ast; } + | '&' variable { $$.ast = zend_ast_create(ZEND_AST_REF, $2.ast); } + | T_LIST '(' assignment_list ')' { $$.ast = $3.ast; } ; for_statement: - statement - | ':' inner_statement_list T_ENDFOR ';' + statement { $$.ast = $1.ast; } + | ':' inner_statement_list T_ENDFOR ';' { $$.ast = $2.ast; } ; foreach_statement: - statement - | ':' inner_statement_list T_ENDFOREACH ';' + statement { $$.ast = $1.ast; } + | ':' inner_statement_list T_ENDFOREACH ';' { $$.ast = $2.ast; } ; declare_statement: - statement - | ':' inner_statement_list T_ENDDECLARE ';' + statement { $$.ast = $1.ast; } + | ':' inner_statement_list T_ENDDECLARE ';' { $$.ast = $2.ast; } ; - -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 '}' { $$.ast = $2.ast; } + | '{' ';' case_list '}' { $$.ast = $3.ast; } + | ':' case_list T_ENDSWITCH ';' { $$.ast = $2.ast; } + | ':' ';' case_list T_ENDSWITCH ';' { $$.ast = $3.ast; } ; - 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); $$.op_type = IS_CONST; } + /* empty */ { $$.list = zend_ast_create_list(0, ZEND_AST_SWITCH_LIST); } + | case_list T_CASE expr case_separator inner_statement_list + { $$.list = zend_ast_list_add($1.list, + zend_ast_create(ZEND_AST_SWITCH_CASE, $3.ast, $5.ast)); } + | case_list T_DEFAULT case_separator inner_statement_list + { $$.list = zend_ast_list_add($1.list, + zend_ast_create(ZEND_AST_SWITCH_CASE, NULL, $4.ast)); } ; - case_separator: ':' | ';' @@ -520,547 +486,496 @@ case_separator: while_statement: - statement - | ':' inner_statement_list T_ENDWHILE ';' + statement { $$.ast = $1.ast; } + | ':' inner_statement_list T_ENDWHILE ';' { $$.ast = $2.ast; } ; - -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); } +if_stmt_without_else: + T_IF parenthesis_expr statement + { $$.list = zend_ast_create_list(1, ZEND_AST_IF, + zend_ast_create(ZEND_AST_IF_ELEM, $2.ast, $3.ast)); } + | if_stmt_without_else T_ELSEIF parenthesis_expr statement + { $$.list = zend_ast_list_add($1.list, + zend_ast_create(ZEND_AST_IF_ELEM, $3.ast, $4.ast)); } ; - -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); } +if_stmt: + if_stmt_without_else { $$.ast = $1.ast; } + | if_stmt_without_else T_ELSE statement + { $$.list = zend_ast_list_add($1.list, + zend_ast_create(ZEND_AST_IF_ELEM, NULL, $3.ast)); } ; - -else_single: - /* empty */ - | T_ELSE statement +alt_if_stmt_without_else: + T_IF parenthesis_expr ':' inner_statement_list + { $$.list = zend_ast_create_list(1, ZEND_AST_IF, + zend_ast_create(ZEND_AST_IF_ELEM, $2.ast, $4.ast)); } + | alt_if_stmt_without_else T_ELSEIF parenthesis_expr ':' inner_statement_list + { $$.list = zend_ast_list_add($1.list, + zend_ast_create(ZEND_AST_IF_ELEM, $3.ast, $5.ast)); } ; - -new_else_single: - /* empty */ - | T_ELSE ':' inner_statement_list +alt_if_stmt: + alt_if_stmt_without_else T_ENDIF ';' { $$.ast = $1.ast; } + | alt_if_stmt_without_else T_ELSE ':' inner_statement_list T_ENDIF ';' + { $$.list = zend_ast_list_add($1.list, + zend_ast_create(ZEND_AST_IF_ELEM, NULL, $4.ast)); } ; - parameter_list: - non_empty_parameter_list - | /* empty */ + non_empty_parameter_list { $$.ast = $1.ast; } + | /* empty */ { $$.list = zend_ast_create_list(0, ZEND_AST_PARAM_LIST); } ; non_empty_parameter_list: parameter + { $$.list = zend_ast_create_list(1, ZEND_AST_PARAM_LIST, $1.ast); } | non_empty_parameter_list ',' parameter + { $$.list = zend_ast_list_add($1.list, $3.ast); } ; 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_type is_reference is_variadic T_VARIABLE + { $$.ast = zend_ast_create_ex(ZEND_AST_PARAM, $2.num | $3.num, + $1.ast, $4.ast, NULL); } + | optional_type is_reference is_variadic T_VARIABLE '=' expr + { $$.ast = zend_ast_create_ex(ZEND_AST_PARAM, $2.num | $3.num, + $1.ast, $4.ast, $6.ast); } ; -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; } +optional_type: + /* empty */ { $$.ast = NULL; } + | T_ARRAY { $$.ast = zend_ast_create_ex(ZEND_AST_TYPE, IS_ARRAY); } + | T_CALLABLE { $$.ast = zend_ast_create_ex(ZEND_AST_TYPE, IS_CALLABLE); } + | name { $$.ast = $1.ast; } ; - -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); } +argument_list: + '(' ')' { $$.list = zend_ast_create_list(0, ZEND_AST_ARG_LIST); } + | '(' non_empty_argument_list ')' { $$.ast = $2.ast; } ; - -non_empty_function_call_parameter_list: - function_call_parameter - | non_empty_function_call_parameter_list ',' function_call_parameter +non_empty_argument_list: + argument + { $$.list = zend_ast_create_list(1, ZEND_AST_ARG_LIST, $1.ast); } + | non_empty_argument_list ',' argument + { $$.list = zend_ast_list_add($1.list, $3.ast); } ; -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); } +argument: + expr_without_variable { $$.ast = $1.ast; } + | variable { $$.ast = $1.ast; } + /*| '&' variable { ZEND_ASSERT(0); } */ + | T_ELLIPSIS expr { $$.ast = zend_ast_create(ZEND_AST_UNPACK, $2.ast); } ; global_var_list: - global_var_list ',' global_var { zend_do_fetch_global_variable(&$3, NULL, ZEND_FETCH_GLOBAL_LOCK TSRMLS_CC); } - | global_var { zend_do_fetch_global_variable(&$1, NULL, ZEND_FETCH_GLOBAL_LOCK TSRMLS_CC); } + global_var_list ',' global_var { $$.list = zend_ast_list_add($1.list, $3.ast); } + | global_var { $$.list = zend_ast_create_list(1, ZEND_AST_STMT_LIST, $1.ast); } ; - global_var: - T_VARIABLE { $$ = $1; } - | '$' r_variable { $$ = $2; } - | '$' '{' expr '}' { $$ = $3; } + simple_variable + { $$.ast = zend_ast_create(ZEND_AST_GLOBAL, + zend_ast_create(ZEND_AST_VAR, $1.ast)); } ; static_var_list: - static_var_list ',' T_VARIABLE { zend_do_fetch_static_variable(&$3, NULL, ZEND_FETCH_STATIC TSRMLS_CC); } - | static_var_list ',' T_VARIABLE '=' static_scalar { Z_CONST_FLAGS($5.u.constant) = 0; zend_do_fetch_static_variable(&$3, &$5, ZEND_FETCH_STATIC TSRMLS_CC); } - | T_VARIABLE { zend_do_fetch_static_variable(&$1, NULL, ZEND_FETCH_STATIC TSRMLS_CC); } - | T_VARIABLE '=' static_scalar { Z_CONST_FLAGS($3.u.constant) = 0; zend_do_fetch_static_variable(&$1, &$3, ZEND_FETCH_STATIC TSRMLS_CC); } + static_var_list ',' static_var { $$.list = zend_ast_list_add($1.list, $3.ast); } + | static_var { $$.list = zend_ast_create_list(1, ZEND_AST_STMT_LIST, $1.ast); } +; +static_var: + T_VARIABLE + { $$.ast = zend_ast_create(ZEND_AST_STATIC, $1.ast, NULL); } + | T_VARIABLE '=' expr + { $$.ast = zend_ast_create(ZEND_AST_STATIC, $1.ast, $3.ast); } ; class_statement_list: class_statement_list class_statement + { $$.list = zend_ast_list_add($1.list, $2.ast); } | /* empty */ + { $$.list = zend_ast_create_list(0, ZEND_AST_STMT_LIST); } ; class_statement: - variable_modifiers { CG(access_type) = Z_LVAL($1.u.constant); } class_variable_declaration ';' - | class_constant_declaration ';' - | trait_use_statement - | method_modifiers function is_reference T_STRING { zend_do_begin_function_declaration(&$2, &$4, 1, $3.op_type, &$1 TSRMLS_CC); } - '(' parameter_list ')' - method_body { zend_do_abstract_method(&$4, &$1, &$9 TSRMLS_CC); zend_do_end_function_declaration(&$2 TSRMLS_CC); } + variable_modifiers property_list ';' + { $$.list = zend_ast_append_doc_comment($2.list TSRMLS_CC); $$.ast->attr = $1.num; } + | T_CONST class_const_list ';' + { $$.ast = $2.ast; RESET_DOC_COMMENT(); } + | T_USE name_list trait_adaptations + { $$.ast = zend_ast_create(ZEND_AST_USE_TRAIT, $2.ast, $3.ast); } + | method_modifiers function returns_ref T_STRING '(' parameter_list ')' + { $$.str = CG(doc_comment); CG(doc_comment) = NULL; } + method_body + { $$.ast = zend_ast_create_decl(ZEND_AST_METHOD, $3.num | $1.num, $2.num, $8.str, + zend_ast_get_str($4.ast), $6.ast, NULL, $9.ast); } ; -trait_use_statement: - T_USE trait_list trait_adaptations -; - -trait_list: - fully_qualified_class_name { zend_do_use_trait(&$1 TSRMLS_CC); } - | trait_list ',' fully_qualified_class_name { zend_do_use_trait(&$3 TSRMLS_CC); } +name_list: + name { $$.list = zend_ast_create_list(1, ZEND_AST_NAME_LIST, $1.ast); } + | name_list ',' name { $$.list = zend_ast_list_add($1.list, $3.ast); } ; trait_adaptations: - ';' - | '{' trait_adaptation_list '}' + ';' { $$.ast = NULL; } + | '{' '}' { $$.ast = NULL; } + | '{' trait_adaptation_list '}' { $$.ast = $2.ast; } ; 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 + { $$.list = zend_ast_create_list(1, ZEND_AST_TRAIT_ADAPTATIONS, $1.ast); } + | trait_adaptation_list trait_adaptation + { $$.list = zend_ast_list_add($1.list, $2.ast); } ; -trait_adaptation_statement: - trait_precedence ';' - | trait_alias ';' +trait_adaptation: + trait_precedence ';' { $$.ast = $1.ast; } + | trait_alias ';' { $$.ast = $1.ast; } ; trait_precedence: - trait_method_reference_fully_qualified T_INSTEADOF trait_reference_list { zend_add_trait_precedence(&$1, &$3 TSRMLS_CC); } + absolute_trait_method_reference T_INSTEADOF name_list + { $$.ast = zend_ast_create(ZEND_AST_TRAIT_PRECEDENCE, $1.ast, $3.ast); } ; -trait_reference_list: - fully_qualified_class_name { zend_resolve_class_name(&$1 TSRMLS_CC); zend_init_list(&$$.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); $$ = $1; } +trait_alias: + trait_method_reference T_AS trait_modifiers T_STRING + { $$.ast = zend_ast_create_ex(ZEND_AST_TRAIT_ALIAS, $3.num, $1.ast, $4.ast); } + | trait_method_reference T_AS member_modifier + { $$.ast = zend_ast_create_ex(ZEND_AST_TRAIT_ALIAS, $3.num, $1.ast, NULL); } ; trait_method_reference: - T_STRING { zend_prepare_reference(&$$, 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); } + T_STRING + { $$.ast = zend_ast_create(ZEND_AST_METHOD_REFERENCE, NULL, $1.ast); } + | absolute_trait_method_reference { $$.ast = $1.ast; } ; -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); } +absolute_trait_method_reference: + name T_PAAMAYIM_NEKUDOTAYIM T_STRING + { $$.ast = zend_ast_create(ZEND_AST_METHOD_REFERENCE, $1.ast, $3.ast); } ; trait_modifiers: - /* empty */ { Z_LVAL($$.u.constant) = 0x0; } /* No change of methods visibility */ - | member_modifier { $$ = $1; } /* REM: Keep in mind, there are not only visibility modifiers */ + /* empty */ { $$.num = 0; } + | member_modifier { $$.num = $1.num; } ; method_body: - ';' /* abstract method */ { Z_LVAL($$.u.constant) = ZEND_ACC_ABSTRACT; } - | '{' inner_statement_list '}' { Z_LVAL($$.u.constant) = 0; } + ';' /* abstract method */ { $$.ast = NULL; } + | '{' inner_statement_list '}' { $$.ast = $2.ast; } ; variable_modifiers: - non_empty_member_modifiers { $$ = $1; } - | T_VAR { Z_LVAL($$.u.constant) = ZEND_ACC_PUBLIC; } + non_empty_member_modifiers { $$.num = $1.num; } + | T_VAR { $$.num = ZEND_ACC_PUBLIC; } ; method_modifiers: - /* empty */ { Z_LVAL($$.u.constant) = ZEND_ACC_PUBLIC; } - | non_empty_member_modifiers { $$ = $1; if (!(Z_LVAL($$.u.constant) & ZEND_ACC_PPP_MASK)) { Z_LVAL($$.u.constant) |= ZEND_ACC_PUBLIC; } } + /* empty */ { $$.num = ZEND_ACC_PUBLIC; } + | non_empty_member_modifiers + { $$.num = $1.num; if (!($$.num & ZEND_ACC_PPP_MASK)) { $$.num |= ZEND_ACC_PUBLIC; } } ; non_empty_member_modifiers: - member_modifier { $$ = $1; } - | non_empty_member_modifiers member_modifier { Z_LVAL($$.u.constant) = zend_do_verify_access_types(&$1, &$2); } + member_modifier { $$.num = $1.num; } + | non_empty_member_modifiers member_modifier + { $$.num = zend_add_member_modifier($1.num, $2.num); } ; member_modifier: - T_PUBLIC { Z_LVAL($$.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($$.u.constant) = ZEND_ACC_FINAL; } + T_PUBLIC { $$.num = ZEND_ACC_PUBLIC; } + | T_PROTECTED { $$.num = ZEND_ACC_PROTECTED; } + | T_PRIVATE { $$.num = ZEND_ACC_PRIVATE; } + | T_STATIC { $$.num = ZEND_ACC_STATIC; } + | T_ABSTRACT { $$.num = ZEND_ACC_ABSTRACT; } + | T_FINAL { $$.num = ZEND_ACC_FINAL; } ; -class_variable_declaration: - class_variable_declaration ',' T_VARIABLE { zend_do_declare_property(&$3, NULL, CG(access_type) TSRMLS_CC); } - | class_variable_declaration ',' T_VARIABLE '=' static_scalar { zend_do_declare_property(&$3, &$5, CG(access_type) TSRMLS_CC); } - | T_VARIABLE { zend_do_declare_property(&$1, NULL, CG(access_type) TSRMLS_CC); } - | T_VARIABLE '=' static_scalar { zend_do_declare_property(&$1, &$3, CG(access_type) TSRMLS_CC); } +property_list: + property_list ',' property { $$.list = zend_ast_list_add($1.list, $3.ast); } + | property { $$.list = zend_ast_create_list(1, ZEND_AST_PROP_DECL, $1.ast); } ; -class_constant_declaration: - class_constant_declaration ',' T_STRING '=' static_scalar { zend_do_declare_class_constant(&$3, &$5 TSRMLS_CC); } - | T_CONST T_STRING '=' static_scalar { zend_do_declare_class_constant(&$2, &$4 TSRMLS_CC); } +property: + T_VARIABLE { $$.ast = zend_ast_create(ZEND_AST_PROP_ELEM, $1.ast, NULL); } + | T_VARIABLE '=' expr + { $$.ast = zend_ast_create(ZEND_AST_PROP_ELEM, $1.ast, $3.ast); } ; -echo_expr_list: - echo_expr_list ',' expr { zend_do_echo(&$3 TSRMLS_CC); } - | expr { zend_do_echo(&$1 TSRMLS_CC); } +class_const_list: + class_const_list ',' const_decl { $$.list = zend_ast_list_add($1.list, $3.ast); } + | const_decl + { $$.list = zend_ast_create_list(1, ZEND_AST_CLASS_CONST_DECL, $1.ast); } ; - -for_expr: - /* empty */ { $$.op_type = IS_CONST; ZVAL_BOOL(&$$.u.constant, 1); } - | non_empty_for_expr { $$ = $1; } +const_decl: + T_STRING '=' expr + { $$.ast = zend_ast_create(ZEND_AST_CONST_ELEM, $1.ast, $3.ast); } ; -non_empty_for_expr: - non_empty_for_expr ',' { zend_do_free(&$1 TSRMLS_CC); } expr { $$ = $4; } - | expr { $$ = $1; } -; - -chaining_method_or_property: - chaining_method_or_property variable_property { $$.EA = $2.EA; } - | variable_property { $$.EA = $1.EA; } +echo_expr_list: + echo_expr_list ',' echo_expr { $$.list = zend_ast_list_add($1.list, $3.ast); } + | echo_expr { $$.list = zend_ast_create_list(1, ZEND_AST_STMT_LIST, $1.ast); } ; - -chaining_dereference: - chaining_dereference '[' dim_offset ']' { fetch_array_dim(&$$, &$1, &$3 TSRMLS_CC); } - | '[' dim_offset ']' { zend_do_pop_object(&$1 TSRMLS_CC); fetch_array_dim(&$$, &$1, &$2 TSRMLS_CC); } +echo_expr: + expr { $$.ast = zend_ast_create(ZEND_AST_ECHO, $1.ast); } ; -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 { $$ = $1; } +for_expr: + /* empty */ { $$.ast = NULL; } + | non_empty_for_expr { $$.ast = $1.ast; } ; -instance_call: - /* empty */ { $$ = $0; } - | { zend_do_push_object(&$0 TSRMLS_CC); zend_do_begin_variable_parse(TSRMLS_C); } - chaining_instance_call { zend_do_pop_object(&$$ TSRMLS_CC); zend_do_end_variable_parse(&$2, BP_VAR_R, 0 TSRMLS_CC); } +non_empty_for_expr: + non_empty_for_expr ',' expr { $$.list = zend_ast_list_add($1.list, $3.ast); } + | expr { $$.list = zend_ast_create_list(1, ZEND_AST_EXPR_LIST, $1.ast); } ; new_expr: - T_NEW class_name_reference { zend_do_extended_fcall_begin(TSRMLS_C); zend_do_begin_new_object(&$1, &$2 TSRMLS_CC); } ctor_arguments { zend_do_end_new_object(&$$, &$1 TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C);} + T_NEW class_name_reference ctor_arguments + { $$.ast = zend_ast_create(ZEND_AST_NEW, $2.ast, $3.ast); } ; expr_without_variable: - T_LIST '(' { zend_do_list_init(TSRMLS_C); } assignment_list ')' '=' expr { zend_do_list_end(&$$, &$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); } - | general_constant '[' dim_offset ']' { 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 ']' { $$ = $2; } + T_LIST '(' assignment_list ')' '=' expr + { $$.ast = zend_ast_create(ZEND_AST_ASSIGN, $3.ast, $6.ast); } + | variable '=' expr + { $$.ast = zend_ast_create(ZEND_AST_ASSIGN, $1.ast, $3.ast); } + | variable '=' '&' variable + { $$.ast = zend_ast_create(ZEND_AST_ASSIGN_REF, $1.ast, $4.ast); } + | variable '=' '&' T_NEW class_name_reference ctor_arguments + { zend_error(E_DEPRECATED, "Assigning the return value of new by reference is deprecated"); + $$.ast = zend_ast_create(ZEND_AST_ASSIGN_REF, $1.ast, + zend_ast_create(ZEND_AST_NEW, $5.ast, $6.ast)); } + | T_CLONE expr { $$.ast = zend_ast_create(ZEND_AST_CLONE, $2.ast); } + | variable T_PLUS_EQUAL expr + { $$.ast = zend_ast_create_assign_op(ZEND_ASSIGN_ADD, $1.ast, $3.ast); } + | variable T_MINUS_EQUAL expr + { $$.ast = zend_ast_create_assign_op(ZEND_ASSIGN_SUB, $1.ast, $3.ast); } + | variable T_MUL_EQUAL expr + { $$.ast = zend_ast_create_assign_op(ZEND_ASSIGN_MUL, $1.ast, $3.ast); } + | variable T_POW_EQUAL expr + { $$.ast = zend_ast_create_assign_op(ZEND_ASSIGN_POW, $1.ast, $3.ast); } + | variable T_DIV_EQUAL expr + { $$.ast = zend_ast_create_assign_op(ZEND_ASSIGN_DIV, $1.ast, $3.ast); } + | variable T_CONCAT_EQUAL expr + { $$.ast = zend_ast_create_assign_op(ZEND_ASSIGN_CONCAT, $1.ast, $3.ast); } + | variable T_MOD_EQUAL expr + { $$.ast = zend_ast_create_assign_op(ZEND_ASSIGN_MOD, $1.ast, $3.ast); } + | variable T_AND_EQUAL expr + { $$.ast = zend_ast_create_assign_op(ZEND_ASSIGN_BW_AND, $1.ast, $3.ast); } + | variable T_OR_EQUAL expr + { $$.ast = zend_ast_create_assign_op(ZEND_ASSIGN_BW_OR, $1.ast, $3.ast); } + | variable T_XOR_EQUAL expr + { $$.ast = zend_ast_create_assign_op(ZEND_ASSIGN_BW_XOR, $1.ast, $3.ast); } + | variable T_SL_EQUAL expr + { $$.ast = zend_ast_create_assign_op(ZEND_ASSIGN_SL, $1.ast, $3.ast); } + | variable T_SR_EQUAL expr + { $$.ast = zend_ast_create_assign_op(ZEND_ASSIGN_SR, $1.ast, $3.ast); } + | variable T_INC { $$.ast = zend_ast_create(ZEND_AST_POST_INC, $1.ast); } + | T_INC variable { $$.ast = zend_ast_create(ZEND_AST_PRE_INC, $2.ast); } + | variable T_DEC { $$.ast = zend_ast_create(ZEND_AST_POST_DEC, $1.ast); } + | T_DEC variable { $$.ast = zend_ast_create(ZEND_AST_PRE_DEC, $2.ast); } + | expr T_BOOLEAN_OR expr + { $$.ast = zend_ast_create(ZEND_AST_OR, $1.ast, $3.ast); } + | expr T_BOOLEAN_AND expr + { $$.ast = zend_ast_create(ZEND_AST_AND, $1.ast, $3.ast); } + | expr T_LOGICAL_OR expr + { $$.ast = zend_ast_create(ZEND_AST_OR, $1.ast, $3.ast); } + | expr T_LOGICAL_AND expr + { $$.ast = zend_ast_create(ZEND_AST_AND, $1.ast, $3.ast); } + | expr T_LOGICAL_XOR expr + { $$.ast = zend_ast_create_binary_op(ZEND_BOOL_XOR, $1.ast, $3.ast); } + | expr '|' expr { $$.ast = zend_ast_create_binary_op(ZEND_BW_OR, $1.ast, $3.ast); } + | expr '&' expr { $$.ast = zend_ast_create_binary_op(ZEND_BW_AND, $1.ast, $3.ast); } + | expr '^' expr { $$.ast = zend_ast_create_binary_op(ZEND_BW_XOR, $1.ast, $3.ast); } + | expr '.' expr { $$.ast = zend_ast_create_binary_op(ZEND_CONCAT, $1.ast, $3.ast); } + | expr '+' expr { $$.ast = zend_ast_create_binary_op(ZEND_ADD, $1.ast, $3.ast); } + | expr '-' expr { $$.ast = zend_ast_create_binary_op(ZEND_SUB, $1.ast, $3.ast); } + | expr '*' expr { $$.ast = zend_ast_create_binary_op(ZEND_MUL, $1.ast, $3.ast); } + | expr T_POW expr { $$.ast = zend_ast_create_binary_op(ZEND_POW, $1.ast, $3.ast); } + | expr '/' expr { $$.ast = zend_ast_create_binary_op(ZEND_DIV, $1.ast, $3.ast); } + | expr '%' expr { $$.ast = zend_ast_create_binary_op(ZEND_MOD, $1.ast, $3.ast); } + | expr T_SL expr { $$.ast = zend_ast_create_binary_op(ZEND_SL, $1.ast, $3.ast); } + | expr T_SR expr { $$.ast = zend_ast_create_binary_op(ZEND_SR, $1.ast, $3.ast); } + | '+' expr %prec T_INC { $$.ast = zend_ast_create(ZEND_AST_UNARY_PLUS, $2.ast); } + | '-' expr %prec T_INC { $$.ast = zend_ast_create(ZEND_AST_UNARY_MINUS, $2.ast); } + | '!' expr { $$.ast = zend_ast_create_ex(ZEND_AST_UNARY_OP, ZEND_BOOL_NOT, $2.ast); } + | '~' expr { $$.ast = zend_ast_create_ex(ZEND_AST_UNARY_OP, ZEND_BW_NOT, $2.ast); } + | expr T_IS_IDENTICAL expr + { $$.ast = zend_ast_create_binary_op(ZEND_IS_IDENTICAL, $1.ast, $3.ast); } + | expr T_IS_NOT_IDENTICAL expr + { $$.ast = zend_ast_create_binary_op(ZEND_IS_NOT_IDENTICAL, $1.ast, $3.ast); } + | expr T_IS_EQUAL expr + { $$.ast = zend_ast_create_binary_op(ZEND_IS_EQUAL, $1.ast, $3.ast); } + | expr T_IS_NOT_EQUAL expr + { $$.ast = zend_ast_create_binary_op(ZEND_IS_NOT_EQUAL, $1.ast, $3.ast); } + | expr '<' expr + { $$.ast = zend_ast_create_binary_op(ZEND_IS_SMALLER, $1.ast, $3.ast); } + | expr T_IS_SMALLER_OR_EQUAL expr + { $$.ast = zend_ast_create_binary_op(ZEND_IS_SMALLER_OR_EQUAL, $1.ast, $3.ast); } + | expr '>' expr + { $$.ast = zend_ast_create(ZEND_AST_GREATER, $1.ast, $3.ast); } + | expr T_IS_GREATER_OR_EQUAL expr + { $$.ast = zend_ast_create(ZEND_AST_GREATER_EQUAL, $1.ast, $3.ast); } + | expr T_INSTANCEOF class_name_reference + { $$.ast = zend_ast_create(ZEND_AST_INSTANCEOF, $1.ast, $3.ast); } + | parenthesis_expr { $$.ast = $1.ast; } + | new_expr { $$.ast = $1.ast; } + | expr '?' expr ':' expr + { $$.ast = zend_ast_create(ZEND_AST_CONDITIONAL, $1.ast, $3.ast, $5.ast); } + | expr '?' ':' expr + { $$.ast = zend_ast_create(ZEND_AST_CONDITIONAL, $1.ast, NULL, $4.ast); } + | internal_functions_in_yacc { $$.ast = $1.ast; } + | T_INT_CAST expr + { $$.ast = zend_ast_create_cast(IS_LONG, $2.ast); } + | T_DOUBLE_CAST expr + { $$.ast = zend_ast_create_cast(IS_DOUBLE, $2.ast); } + | T_STRING_CAST expr + { $$.ast = zend_ast_create_cast(IS_STRING, $2.ast); } + | T_ARRAY_CAST expr + { $$.ast = zend_ast_create_cast(IS_ARRAY, $2.ast); } + | T_OBJECT_CAST expr + { $$.ast = zend_ast_create_cast(IS_OBJECT, $2.ast); } + | T_BOOL_CAST expr + { $$.ast = zend_ast_create_cast(_IS_BOOL, $2.ast); } + | T_UNSET_CAST expr + { $$.ast = zend_ast_create_cast(IS_NULL, $2.ast); } + | T_EXIT exit_expr { $$.ast = zend_ast_create(ZEND_AST_EXIT, $2.ast); } + | '@' expr { $$.ast = zend_ast_create(ZEND_AST_SILENCE, $2.ast); } + | scalar { $$.ast = $1.ast; } + | '`' backticks_expr '`' { $$.ast = zend_ast_create(ZEND_AST_SHELL_EXEC, $2.ast); } + | T_PRINT expr { $$.ast = zend_ast_create(ZEND_AST_PRINT, $2.ast); } + | T_YIELD { $$.ast = zend_ast_create(ZEND_AST_YIELD, NULL, NULL); } + | T_YIELD expr { $$.ast = zend_ast_create(ZEND_AST_YIELD, $2.ast, NULL); } + | T_YIELD expr T_DOUBLE_ARROW expr + { $$.ast = zend_ast_create(ZEND_AST_YIELD, $4.ast, $2.ast); } + | function returns_ref '(' parameter_list ')' lexical_vars + { $$.str = CG(doc_comment); CG(doc_comment) = NULL; } + '{' inner_statement_list '}' + { $$.ast = zend_ast_create_decl(ZEND_AST_CLOSURE, $2.num, $1.num, $7.str, + zend_string_init("{closure}", sizeof("{closure}") - 1, 0), + $4.ast, $6.ast, $9.ast); } + | T_STATIC function returns_ref '(' parameter_list ')' lexical_vars + { $$.str = CG(doc_comment); CG(doc_comment) = NULL; } + '{' inner_statement_list '}' + { $$.ast = zend_ast_create_decl(ZEND_AST_CLOSURE, $3.num | ZEND_ACC_STATIC, $2.num, + $8.str, zend_string_init("{closure}", sizeof("{closure}") - 1, 0), + $5.ast, $7.ast, $10.ast); } ; function: - T_FUNCTION { $$.u.op.opline_num = CG(zend_lineno); } + T_FUNCTION { $$.num = CG(zend_lineno); } +; + +returns_ref: + /* empty */ { $$.num = 0; } + | '&' { $$.num = ZEND_ACC_RETURN_REFERENCE; } ; lexical_vars: - /* empty */ - | T_USE '(' lexical_var_list ')' + /* empty */ { $$.ast = NULL; } + | T_USE '(' lexical_var_list ')' { $$.ast = $3.ast; } ; 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); } + lexical_var_list ',' lexical_var { $$.list = zend_ast_list_add($1.list, $3.ast); } + | lexical_var { $$.list = zend_ast_create_list(1, ZEND_AST_CLOSURE_USES, $1.ast); } ; -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);} +lexical_var: + T_VARIABLE { $$.ast = $1.ast; } + | '&' T_VARIABLE { $$.ast = $2.ast; $$.ast->attr = 1; } ; -class_name: - T_STATIC { $$.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, zend_string_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); $$ = $2; } +function_call: + name argument_list + { $$.ast = zend_ast_create(ZEND_AST_CALL, $1.ast, $2.ast); } + | class_name T_PAAMAYIM_NEKUDOTAYIM member_name argument_list + { $$.ast = zend_ast_create(ZEND_AST_STATIC_CALL, + $1.ast, $3.ast, $4.ast); } + | variable_class_name T_PAAMAYIM_NEKUDOTAYIM member_name argument_list + { $$.ast = zend_ast_create(ZEND_AST_STATIC_CALL, + $1.ast, $3.ast, $4.ast); } + | callable_expr argument_list + { $$.ast = zend_ast_create(ZEND_AST_CALL, $1.ast, $2.ast); } ; -fully_qualified_class_name: - namespace_name { $$ = $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, zend_string_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); $$ = $2; } +class_name: + T_STATIC + { zval zv; ZVAL_STRINGL(&zv, "static", sizeof("static")-1); + $$.ast = zend_ast_create_zval_ex(&zv, ZEND_NAME_NOT_FQ); } + | name { $$.ast = $1.ast; } ; - - class_name_reference: - class_name { zend_do_fetch_class(&$$, &$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); } + class_name { $$.ast = $1.ast; } + | new_variable { $$.ast = $1.ast; } ; exit_expr: - /* empty */ { memset(&$$, 0, sizeof(znode)); $$.op_type = IS_UNUSED; } - | '(' ')' { memset(&$$, 0, sizeof(znode)); $$.op_type = IS_UNUSED; } - | parenthesis_expr { $$ = $1; } + /* empty */ { $$.ast = NULL; } + | '(' ')' { $$.ast = NULL; } + | parenthesis_expr { $$.ast = $1.ast; } ; backticks_expr: - /* empty */ { ZVAL_EMPTY_STRING(&$$.u.constant); $$.op_type = IS_CONST; } - | T_ENCAPSED_AND_WHITESPACE { $$ = $1; } - | encaps_list { $$ = $1; } + /* empty */ + { $$.ast = zend_ast_create_zval_from_str(STR_EMPTY_ALLOC()); } + | T_ENCAPSED_AND_WHITESPACE { $$.ast = $1.ast; } + | encaps_list { $$.ast = $1.ast; } ; ctor_arguments: - /* empty */ { Z_LVAL($$.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(&$$.u.constant); } - | T_NS_SEPARATOR namespace_name { zval tmp; ZVAL_NEW_STR(&tmp, zend_string_alloc(Z_STRLEN($2.u.constant)+1, 0)); Z_STRVAL(tmp)[0] = '\\'; memcpy(Z_STRVAL(tmp) + 1, Z_STRVAL($2.u.constant), Z_STRLEN($2.u.constant)+1); if (Z_DELREF($2.u.constant) == 0) {efree(Z_STR($2.u.constant));} Z_STR($2.u.constant) = Z_STR(tmp); zend_do_fetch_constant(&$$, 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_FETCH_DIM_R, $1.u.ast, $3.u.ast); } - | 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; } -; - -general_constant: - 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, zend_string_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(&$$, NULL, &$2, ZEND_RT, 0 TSRMLS_CC); } + /* empty */ { $$.list = zend_ast_create_list(0, ZEND_AST_ARG_LIST); } + | argument_list { $$.ast = $1.ast; } ; -scalar: - T_STRING_VARNAME { $$ = $1; } - | general_constant { $$ = $1; } - | class_name_scalar { $$ = $1; } - | 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 {$$ = $1;} } + +dereferencable_scalar: + T_ARRAY '(' array_pair_list ')' { $$.ast = $3.ast; } + | '[' array_pair_list ']' { $$.ast = $2.ast; } + | T_CONSTANT_ENCAPSED_STRING { $$.ast = $1.ast; } ; -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); $$ = $1; } +scalar: + T_LNUMBER { $$.ast = $1.ast; } + | T_DNUMBER { $$.ast = $1.ast; } + | T_LINE { $$.ast = $1.ast; } + | T_FILE { $$.ast = $1.ast; } + | T_DIR { $$.ast = $1.ast; } + | T_TRAIT_C { $$.ast = zend_ast_create_ex(ZEND_AST_MAGIC_CONST, T_TRAIT_C); } + | T_METHOD_C { $$.ast = zend_ast_create_ex(ZEND_AST_MAGIC_CONST, T_METHOD_C); } + | T_FUNC_C { $$.ast = zend_ast_create_ex(ZEND_AST_MAGIC_CONST, T_FUNC_C); } + | T_NS_C { $$.ast = zend_ast_create_ex(ZEND_AST_MAGIC_CONST, T_NS_C); } + | T_CLASS_C { $$.ast = zend_ast_create_ex(ZEND_AST_MAGIC_CONST, T_CLASS_C); } + | T_START_HEREDOC T_ENCAPSED_AND_WHITESPACE T_END_HEREDOC { $$.ast = $2.ast; } + | T_START_HEREDOC T_END_HEREDOC + { $$.ast = zend_ast_create_zval_from_str(STR_EMPTY_ALLOC()); } + | '"' encaps_list '"' { $$.ast = $2.ast; } + | T_START_HEREDOC encaps_list T_END_HEREDOC { $$.ast = $2.ast; } + | dereferencable_scalar { $$.ast = $1.ast; } + | class_name_scalar { $$.ast = $1.ast; } + | constant { $$.ast = $1.ast; } +; + +constant: + name { $$.ast = zend_ast_create(ZEND_AST_CONST, $1.ast); } + | class_name T_PAAMAYIM_NEKUDOTAYIM T_STRING + { $$.ast = zend_ast_create(ZEND_AST_CLASS_CONST, $1.ast, $3.ast); } + | variable_class_name T_PAAMAYIM_NEKUDOTAYIM T_STRING + { $$.ast = zend_ast_create(ZEND_AST_CLASS_CONST, $1.ast, $3.ast); } ; possible_comma: @@ -1068,232 +983,197 @@ possible_comma: | ',' ; -non_empty_static_array_pair_list: - non_empty_static_array_pair_list ',' static_scalar_value T_DOUBLE_ARROW static_scalar_value { zend_ast_dynamic_add(&$$.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 { $$ = $1; } + variable { $$.ast = $1.ast; } + | expr_without_variable { $$.ast = $1.ast; } ; parenthesis_expr: - '(' expr ')' { $$ = $2; } - | '(' yield_expr ')' { $$ = $2; } + '(' expr ')' { $$.ast = $2.ast; } ; - -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_class_name: + dereferencable { $$.ast = $1.ast; } ; - -variable_property: - T_OBJECT_OPERATOR object_property { zend_do_push_object(&$2 TSRMLS_CC); } method_or_not { $$.EA = $4.EA; } +dereferencable: + variable { $$.ast = $1.ast; } + | '(' expr ')' { $$.ast = $2.ast; } + | dereferencable_scalar { $$.ast = $1.ast; } ; -array_method_dereference: - array_method_dereference '[' dim_offset ']' { fetch_array_dim(&$$, &$1, &$3 TSRMLS_CC); } - | method '[' dim_offset ']' { $1.EA = ZEND_PARSED_METHOD_CALL; fetch_array_dim(&$$, &$1, &$3 TSRMLS_CC); } +callable_expr: + callable_variable { $$.ast = $1.ast; } + | '(' expr ')' { $$.ast = $2.ast; } + | dereferencable_scalar { $$.ast = $1.ast; } ; -method: - { zend_do_pop_object(&$$ TSRMLS_CC); zend_do_begin_method_call(&$$ TSRMLS_CC); } - function_call_parameter_list { zend_do_end_function_call(&$1, &$$, 1, 1 TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C); } +callable_variable: + simple_variable + { $$.ast = zend_ast_create(ZEND_AST_VAR, $1.ast); } + | dereferencable '[' dim_offset ']' + { $$.ast = zend_ast_create(ZEND_AST_DIM, $1.ast, $3.ast); } + | constant '[' dim_offset ']' + { $$.ast = zend_ast_create(ZEND_AST_DIM, $1.ast, $3.ast); } + | dereferencable '{' expr '}' + { $$.ast = zend_ast_create(ZEND_AST_DIM, $1.ast, $3.ast); } + | dereferencable T_OBJECT_OPERATOR member_name argument_list + { $$.ast = zend_ast_create(ZEND_AST_METHOD_CALL, $1.ast, $3.ast, $4.ast); } + | function_call { $$.ast = $1.ast; } ; -method_or_not: - method { $$ = $1; $$.EA = ZEND_PARSED_METHOD_CALL; zend_do_push_object(&$$ TSRMLS_CC); } - | array_method_dereference { $$ = $1; zend_do_push_object(&$$ TSRMLS_CC); } - | /* empty */ { $$.EA = ZEND_PARSED_MEMBER; } +variable: + callable_variable + { $$.ast = $1.ast; } + | static_member + { $$.ast = $1.ast; } + | dereferencable T_OBJECT_OPERATOR member_name + { $$.ast = zend_ast_create(ZEND_AST_PROP, $1.ast, $3.ast); } ; -variable_without_objects: - reference_variable { $$ = $1; } - | simple_indirect_reference reference_variable { zend_do_indirect_references(&$$, &$1, &$2 TSRMLS_CC); } +simple_variable: + T_VARIABLE + { $$.ast = $1.ast; } + | '$' '{' expr '}' + { $$.ast = $3.ast; } + | '$' simple_variable + { $$.ast = zend_ast_create(ZEND_AST_VAR, $2.ast); } ; static_member: - class_name T_PAAMAYIM_NEKUDOTAYIM variable_without_objects { $$ = $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 '}' { $$ = $3; } + class_name T_PAAMAYIM_NEKUDOTAYIM simple_variable + { $$.ast = zend_ast_create(ZEND_AST_STATIC_PROP, $1.ast, $3.ast); } + | variable_class_name T_PAAMAYIM_NEKUDOTAYIM simple_variable + { $$.ast = zend_ast_create(ZEND_AST_STATIC_PROP, $1.ast, $3.ast); } +; + +new_variable: + simple_variable + { $$.ast = zend_ast_create(ZEND_AST_VAR, $1.ast); } + | new_variable '[' dim_offset ']' + { $$.ast = zend_ast_create(ZEND_AST_DIM, $1.ast, $3.ast); } + | new_variable '{' expr '}' + { $$.ast = zend_ast_create(ZEND_AST_DIM, $1.ast, $3.ast); } + | new_variable T_OBJECT_OPERATOR member_name + { $$.ast = zend_ast_create(ZEND_AST_PROP, $1.ast, $3.ast); } + | class_name T_PAAMAYIM_NEKUDOTAYIM simple_variable + { $$.ast = zend_ast_create(ZEND_AST_STATIC_PROP, $1.ast, $3.ast); } + | new_variable T_PAAMAYIM_NEKUDOTAYIM simple_variable + { $$.ast = zend_ast_create(ZEND_AST_STATIC_PROP, $1.ast, $3.ast); } ; dim_offset: - /* empty */ { $$.op_type = IS_UNUSED; } - | expr { $$ = $1; } + /* empty */ { $$.ast = NULL; } + | expr { $$.ast = $1.ast; } ; - -object_property: - object_dim_list { $$ = $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)++; } +member_name: + T_STRING { $$.ast = $1.ast; } + | '{' expr '}' { $$.ast = $2.ast; } + | simple_variable { $$.ast = zend_ast_create(ZEND_AST_VAR, $1.ast); } ; assignment_list: assignment_list ',' assignment_list_element + { $$.list = zend_ast_list_add($1.list, $3.ast); } | assignment_list_element + { $$.list = zend_ast_create_list(1, ZEND_AST_LIST, $1.ast); } ; - assignment_list_element: - variable { zend_do_add_list_element(&$1 TSRMLS_CC); } - | T_LIST '(' { zend_do_new_list_begin(TSRMLS_C); } assignment_list ')' { zend_do_new_list_end(TSRMLS_C); } - | /* empty */ { zend_do_add_list_element(NULL TSRMLS_CC); } + variable { $$.ast = $1.ast; } + | T_LIST '(' assignment_list ')' { $$.ast = $3.ast; } + | /* empty */ { $$.ast = NULL; } ; 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); } + /* empty */ { $$.list = zend_ast_create_list(0, ZEND_AST_ARRAY); } + | non_empty_array_pair_list possible_comma { $$.ast = $1.ast; } ; 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); } + non_empty_array_pair_list ',' array_pair + { $$.list = zend_ast_list_add($1.list, $3.ast); } + | array_pair + { $$.list = zend_ast_create_list(1, ZEND_AST_ARRAY, $1.ast); } ; -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); } +array_pair: + expr T_DOUBLE_ARROW expr + { $$.ast = zend_ast_create(ZEND_AST_ARRAY_ELEM, $3.ast, $1.ast); } + | expr { $$.ast = zend_ast_create(ZEND_AST_ARRAY_ELEM, $1.ast, NULL); } + | expr T_DOUBLE_ARROW '&' variable + { $$.ast = zend_ast_create_ex(ZEND_AST_ARRAY_ELEM, 1, $4.ast, $1.ast); } + | '&' variable + { $$.ast = zend_ast_create_ex(ZEND_AST_ARRAY_ELEM, 1, $2.ast, NULL); } ; - +encaps_list: + encaps_list encaps_var + { $$.list = zend_ast_list_add($1.list, $2.ast); } + | encaps_list T_ENCAPSED_AND_WHITESPACE + { $$.list = zend_ast_list_add($1.list, $2.ast); } + | encaps_var + { $$.list = zend_ast_create_list(1, ZEND_AST_ENCAPS_LIST, $1.ast); } + | T_ENCAPSED_AND_WHITESPACE encaps_var + { $$.list = zend_ast_create_list(2, ZEND_AST_ENCAPS_LIST, $1.ast, $2.ast); } +; 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; } + T_VARIABLE + { $$.ast = zend_ast_create(ZEND_AST_VAR, $1.ast); } + | T_VARIABLE '[' encaps_var_offset ']' + { $$.ast = zend_ast_create(ZEND_AST_DIM, + zend_ast_create(ZEND_AST_VAR, $1.ast), $3.ast); } + | T_VARIABLE T_OBJECT_OPERATOR T_STRING + { $$.ast = zend_ast_create(ZEND_AST_PROP, + zend_ast_create(ZEND_AST_VAR, $1.ast), $3.ast); } + | T_DOLLAR_OPEN_CURLY_BRACES expr '}' + { $$.ast = zend_ast_create(ZEND_AST_VAR, $2.ast); } + | T_DOLLAR_OPEN_CURLY_BRACES T_STRING_VARNAME '}' + { $$.ast = zend_ast_create(ZEND_AST_VAR, $2.ast); } + | T_DOLLAR_OPEN_CURLY_BRACES T_STRING_VARNAME '[' expr ']' '}' + { $$.ast = zend_ast_create(ZEND_AST_DIM, + zend_ast_create(ZEND_AST_VAR, $2.ast), $4.ast); } + | T_CURLY_OPEN variable '}' { $$.ast = $2.ast; } ; - encaps_var_offset: - T_STRING { $$ = $1; } - | T_NUM_STRING { $$ = $1; } - | T_VARIABLE { fetch_simple_variable(&$$, &$1, 1 TSRMLS_CC); } + T_STRING { $$.ast = $1.ast; } + | T_NUM_STRING { $$.ast = $1.ast; } + | T_VARIABLE { $$.ast = zend_ast_create(ZEND_AST_VAR, $1.ast); } ; internal_functions_in_yacc: - T_ISSET '(' isset_variables ')' { $$ = $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, &$$, &$2 TSRMLS_CC); } + T_ISSET '(' isset_variables ')' { $$.ast = $3.ast; } + | T_EMPTY '(' expr ')' { $$.ast = zend_ast_create(ZEND_AST_EMPTY, $3.ast); } + | T_INCLUDE expr + { $$.ast = zend_ast_create_ex(ZEND_AST_INCLUDE_OR_EVAL, ZEND_INCLUDE, $2.ast); } + | T_INCLUDE_ONCE expr + { $$.ast = zend_ast_create_ex(ZEND_AST_INCLUDE_OR_EVAL, ZEND_INCLUDE_ONCE, $2.ast); } + | T_EVAL '(' expr ')' + { $$.ast = zend_ast_create_ex(ZEND_AST_INCLUDE_OR_EVAL, ZEND_EVAL, $3.ast); } + | T_REQUIRE expr + { $$.ast = zend_ast_create_ex(ZEND_AST_INCLUDE_OR_EVAL, ZEND_REQUIRE, $2.ast); } + | T_REQUIRE_ONCE expr + { $$.ast = zend_ast_create_ex(ZEND_AST_INCLUDE_OR_EVAL, ZEND_REQUIRE_ONCE, $2.ast); } ; 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 { $$.ast = $1.ast; } + | isset_variables ',' isset_variable + { $$.ast = zend_ast_create(ZEND_AST_AND, $1.ast, $3.ast); } ; 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); } + expr { $$.ast = zend_ast_create(ZEND_AST_ISSET, $1.ast); } ; class_name_scalar: - class_name T_PAAMAYIM_NEKUDOTAYIM T_CLASS { zend_do_resolve_class_name(&$$, &$1, 0 TSRMLS_CC); } + class_name T_PAAMAYIM_NEKUDOTAYIM T_CLASS + { $$.ast = zend_ast_create(ZEND_AST_RESOLVE_CLASS_NAME, $1.ast); } ; %% |