%{ /* +----------------------------------------------------------------------+ | Zend Engine | +----------------------------------------------------------------------+ | Copyright (c) 1998-2002 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 at through the world-wide-web at | | 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 | | Zeev Suraski | +----------------------------------------------------------------------+ */ /* * LALR shift/reduce conflicts and how they are resolved: * * - 2 shift/reduce conflicts due to the dangeling elseif/else ambiguity. Solved by shift. * - 1 shift/reduce conflict due to arrays within encapsulated strings. Solved by shift. * - 1 shift/reduce conflict due to objects within encapsulated strings. Solved by shift. * */ #include "zend_compile.h" #include "zend.h" #include "zend_list.h" #include "zend_globals.h" #include "zend_API.h" #define YYERROR_VERBOSE #define YYSTYPE znode #ifdef ZTS # define YYPARSE_PARAM tsrm_ls # define YYLEX_PARAM tsrm_ls #endif %} %pure_parser %expect 4 %left T_INCLUDE T_INCLUDE_ONCE T_EVAL T_REQUIRE T_REQUIRE_ONCE %left ',' %left T_LOGICAL_OR %left T_LOGICAL_XOR %left T_LOGICAL_AND %right 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 %left '?' ':' %left T_BOOLEAN_OR %left T_BOOLEAN_AND %left '|' %left '^' %left '&' %nonassoc T_IS_EQUAL T_IS_NOT_EQUAL T_IS_IDENTICAL T_IS_NOT_IDENTICAL %nonassoc '<' T_IS_SMALLER_OR_EQUAL '>' T_IS_GREATER_OR_EQUAL %left T_SL T_SR %left '+' '-' '.' %left '*' '/' '%' %right '!' '~' T_INC T_DEC T_INT_CAST T_DOUBLE_CAST T_STRING_CAST T_ARRAY_CAST T_OBJECT_CAST T_BOOL_CAST T_UNSET_CAST '@' %right '[' %nonassoc T_NEW T_IS_CLASS %token T_EXIT %token T_IF %left T_ELSEIF %left T_ELSE %left T_ENDIF %token T_LNUMBER %token T_DNUMBER %token T_STRING %token T_STRING_VARNAME %token T_VARIABLE %token T_NUM_STRING %token T_INLINE_HTML %token T_CHARACTER %token T_BAD_CHARACTER %token T_ENCAPSED_AND_WHITESPACE %token T_CONSTANT_ENCAPSED_STRING %token T_ECHO %token T_DO %token T_WHILE %token T_ENDWHILE %token T_FOR %token T_ENDFOR %token T_FOREACH %token T_ENDFOREACH %token T_DECLARE %token T_ENDDECLARE %token T_IS_CLASS %token T_AS %token T_SWITCH %token T_ENDSWITCH %token T_CASE %token T_DEFAULT %token T_BREAK %token T_CONTINUE %token T_FUNCTION %token T_CONST %token T_RETURN %token T_TRY %token T_CATCH %token T_THROW %token T_USE %token T_GLOBAL %right T_STATIC T_ABSTRACT T_PRIVATE T_PROTECTED T_PUBLIC %token T_VAR %token T_UNSET %token T_ISSET %token T_EMPTY %token T_CLASS %token T_EXTENDS %token T_OBJECT_OPERATOR %token T_DOUBLE_ARROW %token T_LIST %token T_ARRAY %token T_CLASS_C %token T_FUNC_C %token T_LINE %token T_FILE %token T_COMMENT %token T_ML_COMMENT %token T_OPEN_TAG %token T_OPEN_TAG_WITH_ECHO %token T_CLOSE_TAG %token T_WHITESPACE %token T_START_HEREDOC %token T_END_HEREDOC %token T_DOLLAR_OPEN_CURLY_BRACES %token T_CURLY_OPEN %token T_PAAMAYIM_NEKUDOTAYIM %token T_IMPORT T_FROM %% /* Rules */ start: top_statement_list ; top_statement_list: top_statement_list { zend_do_extended_info(TSRMLS_C); } top_statement { HANDLE_INTERACTIVE(); } | /* empty */ ; top_statement: statement | function_declaration_statement { zend_do_early_binding(TSRMLS_C); } | class_declaration_statement ; 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 ; statement: unticked_statement { zend_do_ticks(TSRMLS_C); } ; 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.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.opline_num = get_next_op_number(CG(active_op_array)); zend_do_do_while_begin(TSRMLS_C); } statement T_WHILE '(' { $5.u.opline_num = get_next_op_number(CG(active_op_array)); } expr ')' ';' { zend_do_do_while_end(&$1, &$5, &$7 TSRMLS_CC); } | T_FOR '(' for_expr ';' { zend_do_free(&$3 TSRMLS_CC); $4.u.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_USE use_filename ';' { zend_error(E_COMPILE_ERROR,"use: Not yet supported. Please use include_once() or require_once()"); zval_dtor(&$2.u.constant); } | T_UNSET '(' unset_variables ')' ';' | T_FOREACH '(' variable T_AS { zend_do_foreach_begin(&$1, &$3, &$2, &$4, 1 TSRMLS_CC); } w_variable foreach_optional_arg ')' { zend_do_foreach_cont(&$6, &$7, &$4 TSRMLS_CC); } foreach_statement { zend_do_foreach_end(&$1, &$2 TSRMLS_CC); } | T_FOREACH '(' expr_without_variable T_AS { zend_do_foreach_begin(&$1, &$3, &$2, &$4, 0 TSRMLS_CC); } w_variable foreach_optional_arg ')' { zend_do_foreach_cont(&$6, &$7, &$4 TSRMLS_CC); } foreach_statement { zend_do_foreach_end(&$1, &$2 TSRMLS_CC); } | T_DECLARE { $1.u.opline_num = get_next_op_number(CG(active_op_array)); zend_do_declare_begin(TSRMLS_C); } '(' declare_list ')' declare_statement { zend_do_declare_end(&$1 TSRMLS_CC); } | ';' /* empty statement */ | T_TRY { zend_do_try(&$1 TSRMLS_CC); } '{' inner_statement_list '}' T_CATCH '(' catch_or_import_class_entry T_VARIABLE ')' { zend_do_begin_catch(&$1, &$8, &$9, 1 TSRMLS_CC); } '{' inner_statement_list '}' { zend_do_end_catch(&$1 TSRMLS_CC); } additional_catches | T_THROW expr ';' { zend_do_throw(&$2 TSRMLS_CC); } | T_IMPORT { zend_do_begin_import(TSRMLS_C); } import_rule T_FROM catch_or_import_class_entry { zend_do_end_import(&$5 TSRMLS_CC); } ';' ; import_rule: '*' { zend_do_import(T_FUNCTION, NULL TSRMLS_CC); zend_do_import(T_CLASS, NULL TSRMLS_CC); zend_do_import(T_CONST, NULL TSRMLS_CC); } | import_commands ; import_commands: import_commands ',' import_command | import_command ; import_command: T_FUNCTION T_STRING { zend_do_import(T_FUNCTION, &$2 TSRMLS_CC); } | T_CLASS T_STRING { zend_do_import(T_CLASS, &$2 TSRMLS_CC); } | T_CONST T_STRING { zend_do_import(T_CONST, &$2 TSRMLS_CC); } | T_FUNCTION '*' { zend_do_import(T_FUNCTION, NULL TSRMLS_CC); } | T_CLASS '*' { zend_do_import(T_CLASS, NULL TSRMLS_CC); } | T_CONST '*' { zend_do_import(T_CONST, NULL TSRMLS_CC); } ; additional_catches: non_empty_additional_catches | /* empty */ ; non_empty_additional_catches: non_empty_additional_catches T_CATCH '(' catch_or_import_class_entry T_VARIABLE ')' { zend_do_begin_catch(&$2, &$4, &$5, 0 TSRMLS_CC); } '{' inner_statement_list '}' { zend_do_end_catch(&$2 TSRMLS_CC); } | T_CATCH '(' catch_or_import_class_entry T_VARIABLE ')' { zend_do_begin_catch(&$1, &$3, &$4, 0 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(BP_VAR_UNSET, 0 TSRMLS_CC); zend_do_unset(&$1 TSRMLS_CC); } ; use_filename: T_CONSTANT_ENCAPSED_STRING { $$ = $1; } | '(' T_CONSTANT_ENCAPSED_STRING ')' { $$ = $2; } ; function_declaration_statement: unticked_function_declaration_statement { zend_do_ticks(TSRMLS_C); } ; class_declaration_statement: unticked_class_declaration_statement { zend_do_ticks(TSRMLS_C); } ; is_reference: /* empty */ { $$.op_type = ZEND_RETURN_VAL; } | '&' { $$.op_type = ZEND_RETURN_REF; } ; unticked_function_declaration_statement: T_FUNCTION { $1.u.opline_num = CG(zend_lineno); } is_reference T_STRING { zend_do_begin_function_declaration(&$1, &$4, 0, $3.op_type, 0 TSRMLS_CC); } '(' parameter_list ')' '{' inner_statement_list '}' { zend_do_end_function_declaration(&$1 TSRMLS_CC); } ; unticked_class_declaration_statement: T_CLASS declaration_class_name extends_from '{' { zend_do_begin_class_declaration(&$1, &$2, &$3 TSRMLS_CC); } class_statement_list '}' { zend_do_end_class_declaration(&$1 TSRMLS_CC); } ; extends_from: /* empty */ { $$.op_type = IS_UNUSED; } | T_EXTENDS catch_or_import_class_entry { $$ = $2; } ; declaration_class_name: | parse_class_name_entry T_STRING { do_fetch_class_name(&$$, &$1, &$2, 0 TSRMLS_CC); } | T_STRING { $$ = $1; zend_str_tolower($$.u.constant.value.str.val, $$.u.constant.value.str.len); } ; foreach_optional_arg: /* empty */ { $$.op_type = IS_UNUSED; } | T_DOUBLE_ARROW w_variable { $$ = $2; } ; 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); $$.op_type = IS_CONST; } ; case_separator: ':' | ';' ; while_statement: statement | ':' inner_statement_list T_ENDWHILE ';' ; elseif_list: /* empty */ | elseif_list T_ELSEIF '(' expr ')' { zend_do_if_cond(&$4, &$5 TSRMLS_CC); } statement { zend_do_if_after_statement(&$5, 0 TSRMLS_CC); } ; new_elseif_list: /* empty */ | new_elseif_list T_ELSEIF '(' expr ')' ':' { zend_do_if_cond(&$4, &$5 TSRMLS_CC); } inner_statement_list { zend_do_if_after_statement(&$5, 0 TSRMLS_CC); } ; else_single: /* empty */ | T_ELSE statement ; new_else_single: /* empty */ | T_ELSE ':' inner_statement_list ; parameter_list: non_empty_parameter_list | /* empty */ ; non_empty_parameter_list: T_VARIABLE { znode tmp; fetch_simple_variable(&tmp, &$1, 0 TSRMLS_CC); $$.op_type = IS_CONST; $$.u.constant.value.lval=1; $$.u.constant.type=IS_LONG; INIT_PZVAL(&$$.u.constant); zend_do_receive_arg(ZEND_RECV, &tmp, &$$, NULL, BYREF_NONE TSRMLS_CC); } | '&' T_VARIABLE { znode tmp; fetch_simple_variable(&tmp, &$2, 0 TSRMLS_CC); $$.op_type = IS_CONST; $$.u.constant.value.lval=1; $$.u.constant.type=IS_LONG; INIT_PZVAL(&$$.u.constant); zend_do_receive_arg(ZEND_RECV, &tmp, &$$, NULL, BYREF_FORCE TSRMLS_CC); } | '&' T_VARIABLE '=' static_scalar { znode tmp; fetch_simple_variable(&tmp, &$2, 0 TSRMLS_CC); $$.op_type = IS_CONST; $$.u.constant.value.lval=1; $$.u.constant.type=IS_LONG; INIT_PZVAL(&$$.u.constant); zend_do_receive_arg(ZEND_RECV_INIT, &tmp, &$$, &$4, BYREF_FORCE TSRMLS_CC); } | T_CONST T_VARIABLE { znode tmp; fetch_simple_variable(&tmp, &$2, 0 TSRMLS_CC); $$.op_type = IS_CONST; $$.u.constant.value.lval=1; $$.u.constant.type=IS_LONG; INIT_PZVAL(&$$.u.constant); zend_do_receive_arg(ZEND_RECV, &tmp, &$$, NULL, BYREF_NONE TSRMLS_CC); } | T_VARIABLE '=' static_scalar { znode tmp; fetch_simple_variable(&tmp, &$1, 0 TSRMLS_CC); $$.op_type = IS_CONST; $$.u.constant.value.lval=1; $$.u.constant.type=IS_LONG; INIT_PZVAL(&$$.u.constant); zend_do_receive_arg(ZEND_RECV_INIT, &tmp, &$$, &$3, BYREF_NONE TSRMLS_CC); } | non_empty_parameter_list ',' T_VARIABLE { znode tmp; fetch_simple_variable(&tmp, &$3, 0 TSRMLS_CC); $$=$1; $$.u.constant.value.lval++; zend_do_receive_arg(ZEND_RECV, &tmp, &$$, NULL, BYREF_NONE TSRMLS_CC); } | non_empty_parameter_list ',' '&' T_VARIABLE { znode tmp; fetch_simple_variable(&tmp, &$4, 0 TSRMLS_CC); $$=$1; $$.u.constant.value.lval++; zend_do_receive_arg(ZEND_RECV, &tmp, &$$, NULL, BYREF_FORCE TSRMLS_CC); } | non_empty_parameter_list ',' '&' T_VARIABLE '=' static_scalar { znode tmp; fetch_simple_variable(&tmp, &$4, 0 TSRMLS_CC); $$=$1; $$.u.constant.value.lval++; zend_do_receive_arg(ZEND_RECV_INIT, &tmp, &$$, &$6, BYREF_FORCE TSRMLS_CC); } | non_empty_parameter_list ',' T_CONST T_VARIABLE { znode tmp; fetch_simple_variable(&tmp, &$4, 0 TSRMLS_CC); $$=$1; $$.u.constant.value.lval++; zend_do_receive_arg(ZEND_RECV, &tmp, &$$, NULL, BYREF_NONE TSRMLS_CC); } | non_empty_parameter_list ',' T_VARIABLE '=' static_scalar { znode tmp; fetch_simple_variable(&tmp, &$3, 0 TSRMLS_CC); $$=$1; $$.u.constant.value.lval++; zend_do_receive_arg(ZEND_RECV_INIT, &tmp, &$$, &$5, BYREF_NONE TSRMLS_CC); } ; function_call_parameter_list: non_empty_function_call_parameter_list { $$ = $1; } | /* empty */ { $$.u.constant.value.lval = 0; } ; non_empty_function_call_parameter_list: expr_without_variable { $$.u.constant.value.lval = 1; zend_do_pass_param(&$1, ZEND_SEND_VAL, $$.u.constant.value.lval TSRMLS_CC); } | variable { $$.u.constant.value.lval = 1; zend_do_pass_param(&$1, ZEND_SEND_VAR, $$.u.constant.value.lval TSRMLS_CC); } | '&' w_variable { $$.u.constant.value.lval = 1; zend_do_pass_param(&$2, ZEND_SEND_REF, $$.u.constant.value.lval TSRMLS_CC); } | non_empty_function_call_parameter_list ',' expr_without_variable { $$.u.constant.value.lval=$1.u.constant.value.lval+1; zend_do_pass_param(&$3, ZEND_SEND_VAL, $$.u.constant.value.lval TSRMLS_CC); } | non_empty_function_call_parameter_list ',' variable { $$.u.constant.value.lval=$1.u.constant.value.lval+1; zend_do_pass_param(&$3, ZEND_SEND_VAR, $$.u.constant.value.lval TSRMLS_CC); } | non_empty_function_call_parameter_list ',' '&' w_variable { $$.u.constant.value.lval=$1.u.constant.value.lval+1; zend_do_pass_param(&$4, ZEND_SEND_REF, $$.u.constant.value.lval TSRMLS_CC); } ; global_var_list: global_var_list ',' global_var { zend_do_fetch_global_variable(&$3, NULL, ZEND_FETCH_GLOBAL TSRMLS_CC); } | global_var { zend_do_fetch_global_variable(&$1, NULL, ZEND_FETCH_GLOBAL TSRMLS_CC); } ; global_var: T_VARIABLE { $$ = $1; } | '$' 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) = $1.u.constant.value.lval; } class_variable_declaration ';' | class_constant_declaration ';' | method_modifiers T_FUNCTION { $2.u.opline_num = CG(zend_lineno); } is_reference T_STRING { zend_do_begin_function_declaration(&$2, &$5, 1, $4.op_type, $1.u.constant.value.lval TSRMLS_CC); } '(' parameter_list ')' '{' inner_statement_list '}' { zend_do_end_function_declaration(&$2 TSRMLS_CC); } | T_ABSTRACT method_modifiers T_FUNCTION { $3.u.opline_num = CG(zend_lineno); } is_reference T_STRING { zend_do_begin_function_declaration(&$3, &$6, 1, $5.op_type, $2.u.constant.value.lval | ZEND_ACC_ABSTRACT TSRMLS_CC); } '(' parameter_list ')' { zend_do_abstract_method(TSRMLS_C); zend_do_end_function_declaration(&$3 TSRMLS_CC); } ';' | T_CLASS T_STRING extends_from '{' { zend_do_begin_class_declaration(&$1, &$2, &$3 TSRMLS_CC); } class_statement_list '}' { zend_do_end_class_declaration(&$1 TSRMLS_CC); } ; variable_modifiers: non_empty_access_modifiers { $$ = $1; } | T_VAR { $$.u.constant.value.lval = ZEND_ACC_PUBLIC; } ; method_modifiers: /* empty */ { $$.u.constant.value.lval = ZEND_ACC_PUBLIC; } | non_empty_access_modifiers { $$ = $1; if (!($$.u.constant.value.lval & ZEND_ACC_PPP_MASK)) { $$.u.constant.value.lval |= ZEND_ACC_PUBLIC; } } ; non_empty_access_modifiers: access_modifier { $$ = $1; } | non_empty_access_modifiers access_modifier { $$.u.constant.value.lval = zend_do_verify_access_types(&$1, &$2); } ; access_modifier: T_PUBLIC { $$.u.constant.value.lval = ZEND_ACC_PUBLIC; } | T_PROTECTED { $$.u.constant.value.lval = ZEND_ACC_PROTECTED; } | T_PRIVATE { $$.u.constant.value.lval = ZEND_ACC_PRIVATE; } | T_STATIC { $$.u.constant.value.lval = ZEND_ACC_STATIC; } ; class_variable_declaration: class_variable_declaration ',' T_VARIABLE { zend_do_declare_property(&$3, NULL TSRMLS_CC); } | class_variable_declaration ',' T_VARIABLE '=' static_scalar { zend_do_declare_property(&$3, &$5 TSRMLS_CC); } | T_VARIABLE { zend_do_declare_property(&$1, NULL TSRMLS_CC); } | T_VARIABLE '=' static_scalar { zend_do_declare_property(&$1, &$3 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 */ { $$.op_type = IS_CONST; $$.u.constant.type = IS_BOOL; $$.u.constant.value.lval = 1; } | non_empty_for_expr { $$ = $1; } ; non_empty_for_expr: non_empty_for_expr ',' { zend_do_free(&$1 TSRMLS_CC); } expr { $$ = $4; } | expr { $$ = $1; } ; expr_without_variable: T_LIST '(' { zend_do_list_init(TSRMLS_C); } assignment_list ')' '=' expr { zend_do_list_end(&$$, &$7 TSRMLS_CC); } | variable '=' expr { zend_check_writable_variable(&$$); zend_do_end_variable_parse(BP_VAR_W, 0 TSRMLS_CC); zend_do_assign(&$$, &$1, &$3 TSRMLS_CC); } | variable '=' '&' variable { zend_do_end_variable_parse(BP_VAR_W, 0 TSRMLS_CC); zend_do_end_variable_parse(BP_VAR_W, 0 TSRMLS_CC); zend_do_assign_ref(&$$, &$1, &$4 TSRMLS_CC); } | variable '=' '&' T_NEW new_class_entry { zend_check_writable_variable(&$$); zend_do_extended_fcall_begin(TSRMLS_C); zend_do_begin_new_object(&$4, &$5 TSRMLS_CC); } ctor_arguments { zend_do_end_new_object(&$3, &$4, &$7 TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C); zend_do_end_variable_parse(BP_VAR_W, 0 TSRMLS_CC); zend_do_assign_ref(&$$, &$1, &$3 TSRMLS_CC); } | T_NEW new_class_entry { zend_do_extended_fcall_begin(TSRMLS_C); zend_do_begin_new_object(&$1, &$2 TSRMLS_CC); } ctor_arguments { zend_do_end_new_object(&$$, &$1, &$4 TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C);} | variable T_PLUS_EQUAL expr { zend_check_writable_variable(&$$); zend_do_end_variable_parse(BP_VAR_RW, 0 TSRMLS_CC); zend_do_binary_assign_op(ZEND_ASSIGN_ADD, &$$, &$1, &$3 TSRMLS_CC); } | variable T_MINUS_EQUAL expr { zend_check_writable_variable(&$$); zend_do_end_variable_parse(BP_VAR_RW, 0 TSRMLS_CC); zend_do_binary_assign_op(ZEND_ASSIGN_SUB, &$$, &$1, &$3 TSRMLS_CC); } | variable T_MUL_EQUAL expr { zend_check_writable_variable(&$$); zend_do_end_variable_parse(BP_VAR_RW, 0 TSRMLS_CC); zend_do_binary_assign_op(ZEND_ASSIGN_MUL, &$$, &$1, &$3 TSRMLS_CC); } | variable T_DIV_EQUAL expr { zend_check_writable_variable(&$$); zend_do_end_variable_parse(BP_VAR_RW, 0 TSRMLS_CC); zend_do_binary_assign_op(ZEND_ASSIGN_DIV, &$$, &$1, &$3 TSRMLS_CC); } | variable T_CONCAT_EQUAL expr { zend_check_writable_variable(&$$); zend_do_end_variable_parse(BP_VAR_RW, 0 TSRMLS_CC); zend_do_binary_assign_op(ZEND_ASSIGN_CONCAT, &$$, &$1, &$3 TSRMLS_CC); } | variable T_MOD_EQUAL expr { zend_check_writable_variable(&$$); zend_do_end_variable_parse(BP_VAR_RW, 0 TSRMLS_CC); zend_do_binary_assign_op(ZEND_ASSIGN_MOD, &$$, &$1, &$3 TSRMLS_CC); } | variable T_AND_EQUAL expr { zend_check_writable_variable(&$$); zend_do_end_variable_parse(BP_VAR_RW, 0 TSRMLS_CC); zend_do_binary_assign_op(ZEND_ASSIGN_BW_AND, &$$, &$1, &$3 TSRMLS_CC); } | variable T_OR_EQUAL expr { zend_check_writable_variable(&$$); zend_do_end_variable_parse(BP_VAR_RW, 0 TSRMLS_CC); zend_do_binary_assign_op(ZEND_ASSIGN_BW_OR, &$$, &$1, &$3 TSRMLS_CC); } | variable T_XOR_EQUAL expr { zend_check_writable_variable(&$$); zend_do_end_variable_parse(BP_VAR_RW, 0 TSRMLS_CC); zend_do_binary_assign_op(ZEND_ASSIGN_BW_XOR, &$$, &$1, &$3 TSRMLS_CC); } | variable T_SL_EQUAL expr { zend_check_writable_variable(&$$); zend_do_end_variable_parse(BP_VAR_RW, 0 TSRMLS_CC); zend_do_binary_assign_op(ZEND_ASSIGN_SL, &$$, &$1, &$3 TSRMLS_CC); } | variable T_SR_EQUAL expr { zend_check_writable_variable(&$$); zend_do_end_variable_parse(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, &$$, &$1, &$3 TSRMLS_CC); } | '+' expr { $1.u.constant.value.lval=0; $1.u.constant.type=IS_LONG; $1.op_type = IS_CONST; INIT_PZVAL(&$1.u.constant); zend_do_binary_op(ZEND_ADD, &$$, &$1, &$2 TSRMLS_CC); } | '-' expr { $1.u.constant.value.lval=0; $1.u.constant.type=IS_LONG; $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, &$$, &$3, &$1 TSRMLS_CC); } | expr T_IS_CLASS is_class_expr { zend_do_is_class(&$$, &$1, &$3, 0 TSRMLS_CC); } | '(' expr ')' { $$ = $2; } | expr '?' { zend_do_begin_qm_op(&$1, &$2 TSRMLS_CC); } expr ':' { zend_do_qm_true(&$4, &$2, &$5 TSRMLS_CC); } expr { zend_do_qm_false(&$$, &$7, &$2, &$5 TSRMLS_CC); } | 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; } | '`' encaps_list '`' { zend_do_shell_exec(&$$, &$2 TSRMLS_CC); } | T_PRINT expr { zend_do_print(&$$, &$2 TSRMLS_CC); } ; function_call: T_STRING '(' { $2.u.opline_num = zend_do_begin_function_call(&$1 TSRMLS_CC); } function_call_parameter_list ')' { zend_do_end_function_call(&$1, &$$, &$4, 0, $2.u.opline_num TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C); } | parse_class_entry static_or_variable_string '(' { zend_do_extended_fcall_begin(TSRMLS_C); zend_do_begin_class_member_function_call(&$1, &$2 TSRMLS_CC); } function_call_parameter_list ')' { zend_do_end_function_call(&$2, &$$, &$5, 1, 1 TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C);} | variable_without_objects '(' { zend_do_end_variable_parse(BP_VAR_R, 0 TSRMLS_CC); zend_do_begin_dynamic_function_call(&$1 TSRMLS_CC); } function_call_parameter_list ')' { zend_do_end_function_call(&$1, &$$, &$4, 0, 1 TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C);} ; parse_class_entry: parse_class_entry T_STRING T_PAAMAYIM_NEKUDOTAYIM { do_fetch_class(&$$, &$1, &$2 TSRMLS_CC); } | T_STRING T_PAAMAYIM_NEKUDOTAYIM { do_fetch_class(&$$, NULL, &$1 TSRMLS_CC); } ; parse_class_name_entry: parse_class_name_entry T_STRING T_PAAMAYIM_NEKUDOTAYIM { do_fetch_class_name(&$$, &$1, &$2, 0 TSRMLS_CC); } | T_STRING T_PAAMAYIM_NEKUDOTAYIM { $$ = $1; zend_str_tolower($$.u.constant.value.str.val, $$.u.constant.value.str.len); } ; catch_or_import_class_entry: parse_class_entry T_STRING { do_fetch_class(&$$, &$1, &$2 TSRMLS_CC); } | T_STRING { do_fetch_class(&$$, NULL, &$1 TSRMLS_CC); } ; new_class_entry: parse_class_entry static_or_variable_string { do_fetch_class(&$$, &$1, &$2 TSRMLS_CC); } | static_or_variable_string { do_fetch_class(&$$, NULL, &$1 TSRMLS_CC); } ; static_or_variable_string: T_STRING { $$ = $1; } | r_variable_without_static_member { $$ = $1; } ; is_class_expr: parse_class_entry T_STRING { do_fetch_class(&$$, &$1, &$2 TSRMLS_CC); } | T_STRING { do_fetch_class(&$$, NULL, &$1 TSRMLS_CC); } ; exit_expr: /* empty */ { memset(&$$, 0, sizeof(znode)); $$.op_type = IS_UNUSED; } | '(' ')' { memset(&$$, 0, sizeof(znode)); $$.op_type = IS_UNUSED; } | '(' expr ')' { $$ = $2; } ; ctor_arguments: /* empty */ { $$.u.constant.value.lval=0; } | '(' function_call_parameter_list ')' { $$ = $2; } ; common_scalar: T_LNUMBER { $$ = $1; } | T_DNUMBER { $$ = $1; } | T_CONSTANT_ENCAPSED_STRING { $$ = $1; } | T_LINE { $$ = $1; } | T_FILE { $$ = $1; } | T_CLASS_C { $$ = $1; } | T_FUNC_C { $$ = $1; } ; static_scalar: /* compile-time evaluated scalars */ common_scalar { $$ = $1; } | T_STRING { zend_do_fetch_constant(&$$, NULL, &$1, ZEND_CT TSRMLS_CC); } | '+' static_scalar { $$ = $2; } | '-' static_scalar { zval minus_one; minus_one.type = IS_LONG; minus_one.value.lval = -1; mul_function(&$2.u.constant, &$2.u.constant, &minus_one TSRMLS_CC); $$ = $2; } | T_ARRAY '(' static_array_pair_list ')' { $$ = $3; $$.u.constant.type = IS_CONSTANT_ARRAY; } | parse_class_name_entry T_STRING { zend_do_fetch_constant(&$$, &$1, &$2, ZEND_CT TSRMLS_CC); } ; scalar: T_STRING { zend_do_fetch_constant(&$$, NULL, &$1, ZEND_RT TSRMLS_CC); } | T_STRING_VARNAME { $$ = $1; } | parse_class_entry T_STRING { zend_do_fetch_constant(&$$, &$1, &$2, ZEND_RT TSRMLS_CC); } | common_scalar { $$ = $1; } | '"' encaps_list '"' { $$ = $2; } | '\'' encaps_list '\'' { $$ = $2; } | T_START_HEREDOC encaps_list T_END_HEREDOC { $$ = $2; zend_do_end_heredoc(TSRMLS_C); } ; static_array_pair_list: /* empty */ { $$.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 { $$ = $1; } ; r_variable: variable { zend_do_end_variable_parse(BP_VAR_R, 0 TSRMLS_CC); $$ = $1; } ; w_variable: variable { zend_do_end_variable_parse(BP_VAR_W, 0 TSRMLS_CC); $$ = $1; } { zend_check_writable_variable(&$$); } ; rw_variable: variable { zend_do_end_variable_parse(BP_VAR_RW, 0 TSRMLS_CC); $$ = $1; } { zend_check_writable_variable(&$$); } ; r_variable_without_static_member: variable_without_objects { zend_do_end_variable_parse(BP_VAR_R, 0 TSRMLS_CC); $$ = $1; } ; variable: base_variable_without_objects T_OBJECT_OPERATOR { zend_do_push_object(&$1 TSRMLS_CC); } object_property { zend_do_push_object(&$4 TSRMLS_CC); } method_or_not variable_properties { zend_do_pop_object(&$$ TSRMLS_CC); $$.u.EA.type = $1.u.EA.type | ($7.u.EA.type ? $7.u.EA.type : $6.u.EA.type); } | base_variable_without_objects { $$ = $1; } ; variable_properties: variable_properties variable_property { $$.u.EA.type = $2.u.EA.type; } | /* empty */ { $$.u.EA.type = 0; } ; variable_property: T_OBJECT_OPERATOR object_property { zend_do_push_object(&$2 TSRMLS_CC); } method_or_not { $$.u.EA.type = $4.u.EA.type; } ; method_or_not: '(' { zend_do_pop_object(&$1 TSRMLS_CC); zend_do_begin_method_call(&$1 TSRMLS_CC); } function_call_parameter_list ')' { zend_do_end_function_call(&$1, &$$, &$3, 1, 1 TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C); zend_do_push_object(&$$ TSRMLS_CC); $$.u.EA.type = ZEND_PARSED_METHOD_CALL; } | /* empty */ { $$.u.EA.type = ZEND_PARSED_MEMBER; } ; variable_without_objects: reference_variable { $$ = $1; } | simple_indirect_reference reference_variable { zend_do_indirect_references(&$$, &$1, &$2 TSRMLS_CC); } ; static_member: parse_class_entry variable_without_objects { $$ = $2; zend_do_fetch_static_member(&$1 TSRMLS_CC); } ; base_variable_without_objects: reference_variable { $$ = $1; $$.u.EA.type = ZEND_PARSED_VARIABLE; } | simple_indirect_reference reference_variable { zend_do_indirect_references(&$$, &$1, &$2 TSRMLS_CC); $$.u.EA.type = ZEND_PARSED_VARIABLE; } | static_member { $$ = $1; $$.u.EA.type = ZEND_PARSED_STATIC_MEMBER; } | function_call { zend_do_begin_variable_parse(TSRMLS_C); $$ = $1; $$.u.EA.type = ZEND_PARSED_FUNCTION_CALL; } ; 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(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 { $$ = $1; } | '{' expr '}' { $$ = $2; } ; simple_indirect_reference: '$' { $$.u.constant.value.lval = 1; } | simple_indirect_reference '$' { $$.u.constant.value.lval++; } ; 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(BP_VAR_R, 0 TSRMLS_CC); zend_do_add_variable(&$$, &$1, &$2 TSRMLS_CC); } | encaps_list T_STRING { zend_do_add_string(&$$, &$1, &$2 TSRMLS_CC); } | encaps_list T_NUM_STRING { zend_do_add_string(&$$, &$1, &$2 TSRMLS_CC); } | encaps_list T_ENCAPSED_AND_WHITESPACE { zend_do_add_string(&$$, &$1, &$2 TSRMLS_CC); } | encaps_list T_CHARACTER { zend_do_add_char(&$$, &$1, &$2 TSRMLS_CC); } | encaps_list T_BAD_CHARACTER { zend_do_add_string(&$$, &$1, &$2 TSRMLS_CC); } | encaps_list '[' { $2.u.constant.value.lval = (long) '['; zend_do_add_char(&$$, &$1, &$2 TSRMLS_CC); } | encaps_list ']' { $2.u.constant.value.lval = (long) ']'; zend_do_add_char(&$$, &$1, &$2 TSRMLS_CC); } | encaps_list '{' { $2.u.constant.value.lval = (long) '{'; zend_do_add_char(&$$, &$1, &$2 TSRMLS_CC); } | encaps_list '}' { $2.u.constant.value.lval = (long) '}'; zend_do_add_char(&$$, &$1, &$2 TSRMLS_CC); } | encaps_list T_OBJECT_OPERATOR { znode tmp; $2.u.constant.value.lval = (long) '-'; zend_do_add_char(&tmp, &$1, &$2 TSRMLS_CC); $2.u.constant.value.lval = (long) '>'; zend_do_add_char(&$$, &tmp, &$2 TSRMLS_CC); } | /* empty */ { zend_do_init_string(&$$ 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); } ; %%