diff options
Diffstat (limited to 'Zend/zend_language_parser.y')
| -rw-r--r-- | Zend/zend_language_parser.y | 723 |
1 files changed, 0 insertions, 723 deletions
diff --git a/Zend/zend_language_parser.y b/Zend/zend_language_parser.y deleted file mode 100644 index d5ea4d14f0..0000000000 --- a/Zend/zend_language_parser.y +++ /dev/null @@ -1,723 +0,0 @@ -%{ -/* - +----------------------------------------------------------------------+ - | Zend Engine | - +----------------------------------------------------------------------+ - | Copyright (c) 1998-2001 Zend Technologies Ltd. (http://www.zend.com) | - +----------------------------------------------------------------------+ - | This source file is subject to version 0.92 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/0_92.txt. | - | If you did not receive a copy of the Zend license and are unable to | - | obtain it through the world-wide-web, please send a note to | - | license@zend.com so we can mail you a copy immediately. | - +----------------------------------------------------------------------+ - | Authors: Andi Gutmans <andi@zend.com> | - | Zeev Suraski <zeev@zend.com> | - +----------------------------------------------------------------------+ -*/ - -/* - * 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_DELETE -%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_AS -%token T_SWITCH -%token T_ENDSWITCH -%token T_CASE -%token T_DEFAULT -%token T_BREAK -%token T_CONTINUE -%token T_OLD_FUNCTION -%token T_FUNCTION -%token T_CONST -%token T_RETURN -%token T_USE -%token T_GLOBAL -%token T_STATIC -%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_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 - -%% /* 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 - | declaration_statement { zend_do_early_binding(TSRMLS_C); } -; - - -inner_statement_list: - inner_statement_list { zend_do_extended_info(TSRMLS_C); } inner_statement { HANDLE_INTERACTIVE(); } - | /* empty */ -; - - -inner_statement: - statement - | 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 cvar ';' { 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 '(' w_cvar T_AS { zend_do_foreach_begin(&$1, &$3, &$2, &$4, 1 TSRMLS_CC); } w_cvar 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_cvar foreach_optional_arg ')' { zend_do_foreach_cont(&$6, &$7, &$4 TSRMLS_CC); } foreach_statement { zend_do_foreach_end(&$1, &$2 TSRMLS_CC); } - | T_DECLARE { zend_do_declare_begin(TSRMLS_C); } '(' declare_list ')' declare_statement { zend_do_declare_end(TSRMLS_C); } - | ';' /* empty statement */ - | T_DELETE cvar ';' { zend_do_end_variable_parse(BP_VAR_UNSET, 0 TSRMLS_CC); zend_do_unset(&$1, ZEND_UNSET_OBJ TSRMLS_CC); } -; - -unset_variables: - unset_variable - | unset_variables ',' unset_variable -; - -unset_variable: - cvar { zend_do_end_variable_parse(BP_VAR_UNSET, 0 TSRMLS_CC); zend_do_unset(&$1, ZEND_UNSET_REG TSRMLS_CC); } -; - -use_filename: - T_CONSTANT_ENCAPSED_STRING { $$ = $1; } - | '(' T_CONSTANT_ENCAPSED_STRING ')' { $$ = $2; } -; - - -declaration_statement: - unticked_declaration_statement { zend_do_ticks(TSRMLS_C); } -; - - -unticked_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 TSRMLS_CC); } - '(' parameter_list ')' '{' inner_statement_list '}' { zend_do_end_function_declaration(&$1 TSRMLS_CC); } - | T_OLD_FUNCTION { $1.u.opline_num = CG(zend_lineno); } is_reference T_STRING { zend_do_begin_function_declaration(&$1, &$4, 0, $3.op_type TSRMLS_CC); } - parameter_list '(' inner_statement_list ')' ';' { zend_do_end_function_declaration(&$1 TSRMLS_CC); } - | T_CLASS T_STRING { zend_do_begin_class_declaration(&$2, NULL TSRMLS_CC); } '{' class_statement_list '}' { zend_do_end_class_declaration(TSRMLS_C); } - | T_CLASS T_STRING T_EXTENDS T_STRING { zend_do_begin_class_declaration(&$2, &$4 TSRMLS_CC); } '{' class_statement_list '}' { zend_do_end_class_declaration(TSRMLS_C); } -; - - -foreach_optional_arg: - /* empty */ { $$.op_type = IS_UNUSED; } - | T_DOUBLE_ARROW w_cvar { $$ = $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, &$$, NULL, BYREF_FORCE TSRMLS_CC); } - | T_CONST T_VARIABLE { znode tmp; fetch_simple_variable(&tmp, &$2, 0 TSRMLS_CC); $$.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, &$$, NULL, BYREF_FORCE TSRMLS_CC); } - | non_empty_parameter_list ',' T_CONST T_VARIABLE { znode tmp; fetch_simple_variable(&tmp, &$4, 0 TSRMLS_CC); $$=$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, $$.u.constant.value.lval TSRMLS_CC); } - | cvar { $$.u.constant.value.lval = 1; zend_do_pass_param(&$1, ZEND_SEND_VAR, $$.u.constant.value.lval TSRMLS_CC); } - | '&' w_cvar { $$.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, $$.u.constant.value.lval TSRMLS_CC); } - | non_empty_function_call_parameter_list ',' cvar { $$.u.constant.value.lval=$1.u.constant.value.lval+1; zend_do_pass_param(&$3, ZEND_SEND_VAR, $$.u.constant.value.lval TSRMLS_CC); } - | non_empty_function_call_parameter_list ',' '&' w_cvar { $$.u.constant.value.lval=$1.u.constant.value.lval+1; zend_do_pass_param(&$4, ZEND_SEND_REF, $$.u.constant.value.lval TSRMLS_CC); } -; - -global_var_list: - global_var_list ',' global_var { zend_do_fetch_global_or_static_variable(&$3, NULL, ZEND_FETCH_GLOBAL TSRMLS_CC); } - | global_var { zend_do_fetch_global_or_static_variable(&$1, NULL, ZEND_FETCH_GLOBAL TSRMLS_CC); } -; - - -global_var: - T_VARIABLE { $$ = $1; } - | '$' r_cvar { $$ = $2; } - | '$' '{' expr '}' { $$ = $3; } -; - - -static_var_list: - static_var_list ',' T_VARIABLE { zend_do_fetch_global_or_static_variable(&$3, NULL, ZEND_FETCH_STATIC TSRMLS_CC); } - | static_var_list ',' T_VARIABLE '=' static_scalar { zend_do_fetch_global_or_static_variable(&$3, &$5, ZEND_FETCH_STATIC TSRMLS_CC); } - | T_VARIABLE { zend_do_fetch_global_or_static_variable(&$1, NULL, ZEND_FETCH_STATIC TSRMLS_CC); } - | T_VARIABLE '=' static_scalar { zend_do_fetch_global_or_static_variable(&$1, &$3, ZEND_FETCH_STATIC TSRMLS_CC); } - -; - - -class_statement_list: - class_statement_list class_statement - | /* empty */ -; - - -class_statement: - T_VAR class_variable_decleration ';' - | T_FUNCTION { $1.u.opline_num = CG(zend_lineno); } is_reference T_STRING { zend_do_begin_function_declaration(&$1, &$4, 1, $3.op_type TSRMLS_CC); } '(' - parameter_list ')' '{' inner_statement_list '}' { zend_do_end_function_declaration(&$1 TSRMLS_CC); } - | T_OLD_FUNCTION { $1.u.opline_num = CG(zend_lineno); } is_reference T_STRING { zend_do_begin_function_declaration(&$1, &$4, 1, $3.op_type TSRMLS_CC); } - parameter_list '(' inner_statement_list ')' ';' { zend_do_end_function_declaration(&$1 TSRMLS_CC); } - -; - -is_reference: - /* empty */ { $$.op_type = ZEND_RETURN_VAL; } - | '&' { $$.op_type = ZEND_RETURN_REF; } - -class_variable_decleration: - class_variable_decleration ',' T_VARIABLE { zend_do_declare_property(&$3, NULL TSRMLS_CC); } - | class_variable_decleration ',' 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); } -; - - -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(&$$, &$7 TSRMLS_CC); } - | cvar '=' expr { zend_do_end_variable_parse(BP_VAR_W, 0 TSRMLS_CC); zend_do_assign(&$$, &$1, &$3 TSRMLS_CC); } - | cvar '=' '&' w_cvar { zend_do_end_variable_parse(BP_VAR_W, 0 TSRMLS_CC); zend_do_assign_ref(&$$, &$1, &$4 TSRMLS_CC); } - | cvar '=' '&' function_call { zend_do_end_variable_parse(BP_VAR_W, 0 TSRMLS_CC); zend_do_assign_ref(&$$, &$1, &$4 TSRMLS_CC); } - | cvar '=' '&' T_NEW static_or_variable_string { zend_do_extended_fcall_begin(TSRMLS_C); zend_do_begin_new_object(&$4, &$5 TSRMLS_CC); } ctor_arguments { zend_do_end_new_object(&$3, &$5, &$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(&$$, &$1, &$3 TSRMLS_CC); } - | T_NEW static_or_variable_string { zend_do_extended_fcall_begin(TSRMLS_C); zend_do_begin_new_object(&$1, &$2 TSRMLS_CC); } ctor_arguments { zend_do_end_new_object(&$$, &$2, &$1, &$4 TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C);} - | cvar T_PLUS_EQUAL expr { zend_do_end_variable_parse(BP_VAR_RW, 0 TSRMLS_CC); zend_do_binary_assign_op(ZEND_ASSIGN_ADD, &$$, &$1, &$3 TSRMLS_CC); } - | cvar T_MINUS_EQUAL expr { zend_do_end_variable_parse(BP_VAR_RW, 0 TSRMLS_CC); zend_do_binary_assign_op(ZEND_ASSIGN_SUB, &$$, &$1, &$3 TSRMLS_CC); } - | cvar T_MUL_EQUAL expr { zend_do_end_variable_parse(BP_VAR_RW, 0 TSRMLS_CC); zend_do_binary_assign_op(ZEND_ASSIGN_MUL, &$$, &$1, &$3 TSRMLS_CC); } - | cvar T_DIV_EQUAL expr { zend_do_end_variable_parse(BP_VAR_RW, 0 TSRMLS_CC); zend_do_binary_assign_op(ZEND_ASSIGN_DIV, &$$, &$1, &$3 TSRMLS_CC); } - | cvar T_CONCAT_EQUAL expr { zend_do_end_variable_parse(BP_VAR_RW, 0 TSRMLS_CC); zend_do_binary_assign_op(ZEND_ASSIGN_CONCAT, &$$, &$1, &$3 TSRMLS_CC); } - | cvar T_MOD_EQUAL expr { zend_do_end_variable_parse(BP_VAR_RW, 0 TSRMLS_CC); zend_do_binary_assign_op(ZEND_ASSIGN_MOD, &$$, &$1, &$3 TSRMLS_CC); } - | cvar T_AND_EQUAL expr { zend_do_end_variable_parse(BP_VAR_RW, 0 TSRMLS_CC); zend_do_binary_assign_op(ZEND_ASSIGN_BW_AND, &$$, &$1, &$3 TSRMLS_CC); } - | cvar T_OR_EQUAL expr { zend_do_end_variable_parse(BP_VAR_RW, 0 TSRMLS_CC); zend_do_binary_assign_op(ZEND_ASSIGN_BW_OR, &$$, &$1, &$3 TSRMLS_CC); } - | cvar T_XOR_EQUAL expr { zend_do_end_variable_parse(BP_VAR_RW, 0 TSRMLS_CC); zend_do_binary_assign_op(ZEND_ASSIGN_BW_XOR, &$$, &$1, &$3 TSRMLS_CC); } - | cvar T_SL_EQUAL expr { zend_do_end_variable_parse(BP_VAR_RW, 0 TSRMLS_CC); zend_do_binary_assign_op(ZEND_ASSIGN_SL, &$$, &$1, &$3 TSRMLS_CC); } - | cvar T_SR_EQUAL expr { zend_do_end_variable_parse(BP_VAR_RW, 0 TSRMLS_CC); zend_do_binary_assign_op(ZEND_ASSIGN_SR, &$$, &$1, &$3 TSRMLS_CC); } - | rw_cvar T_INC { zend_do_post_incdec(&$$, &$1, ZEND_POST_INC TSRMLS_CC); } - | T_INC rw_cvar { zend_do_pre_incdec(&$$, &$2, ZEND_PRE_INC TSRMLS_CC); } - | rw_cvar T_DEC { zend_do_post_incdec(&$$, &$1, ZEND_POST_DEC TSRMLS_CC); } - | T_DEC rw_cvar { 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, &$$, &$3, &$1 TSRMLS_CC); } - | '(' expr ')' { $$ = $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(&$$, &$7, &$2, &$5 TSRMLS_CC); } - | function_call { $$ = $1; } - | 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, &$$, &$4, 0, $2.u.opline_num TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C); } - | cvar '(' { zend_do_begin_dynamic_function_call(&$1 TSRMLS_CC); } - function_call_parameter_list - ')' { zend_do_end_function_call(&$1, &$$, &$4, 0, 1 TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C);} - | T_STRING T_PAAMAYIM_NEKUDOTAYIM static_or_variable_string '(' { zend_do_extended_fcall_begin(TSRMLS_C); zend_do_begin_class_member_function_call(&$1, &$3 TSRMLS_CC); } - function_call_parameter_list - ')' { zend_do_end_function_call(&$3, &$$, &$6, 1, 1 TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C);} -; - - -static_or_variable_string: - T_STRING { $$ = $1; } - | r_cvar { $$ = $1; } -; - - -exit_expr: - /* empty */ { memset(&$$, 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 { $$ = $1; } -; - - -static_scalar: /* compile-time evaluated scalars */ - common_scalar { $$ = $1; } - | T_STRING { zend_do_fetch_constant(&$$, &$1, ZEND_CT TSRMLS_CC); } - | '+' static_scalar { $$ = $1; } - | '-' 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; $$.u.constant.type = IS_CONSTANT_ARRAY; } -; - - -scalar: - T_STRING { zend_do_fetch_constant(&$$, &$1, ZEND_RT TSRMLS_CC); } - | T_STRING_VARNAME { $$ = $1; } - | common_scalar { $$ = $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(&$$, NULL, &$1); } -; - -expr: - r_cvar { $$ = $1; } - | expr_without_variable { $$ = $1; } -; - - -r_cvar: - cvar { zend_do_end_variable_parse(BP_VAR_R, 0 TSRMLS_CC); $$ = $1; } -; - - -w_cvar: - cvar { zend_do_end_variable_parse(BP_VAR_W, 0 TSRMLS_CC); $$ = $1; } -; - - -rw_cvar: - cvar { zend_do_end_variable_parse(BP_VAR_RW, 0 TSRMLS_CC); $$ = $1; } -; - - -cvar: - cvar_without_objects { $$ = $1; } - | cvar_without_objects T_OBJECT_OPERATOR { zend_do_push_object(&$1 TSRMLS_CC); } ref_list { $$ = $4; } -; - - -cvar_without_objects: - reference_variable { $$ = $1; } - | simple_indirect_reference reference_variable { zend_do_indirect_references(&$$, &$1, &$2 TSRMLS_CC); } -; - - -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_fetch_globals(&$1 TSRMLS_CC); 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 { $$ = $1; } -; - -ref_list: - object_property { $$ = $1; } - | ref_list T_OBJECT_OPERATOR { zend_do_push_object(&$1 TSRMLS_CC); } object_property { $$ = $4; } -; - -object_property: - object_dim_list { $$ = $1; } - | cvar_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: - cvar { 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_cvar { zend_do_add_array_element(&$$, &$6, &$3, 1 TSRMLS_CC); } - | non_empty_array_pair_list ',' '&' w_cvar { zend_do_add_array_element(&$$, &$4, NULL, 1 TSRMLS_CC); } - | expr T_DOUBLE_ARROW '&' w_cvar { zend_do_init_array(&$$, &$4, &$1, 1 TSRMLS_CC); } - | '&' w_cvar { zend_do_init_array(&$$, &$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_fetch_globals(&$1 TSRMLS_CC); zend_do_begin_variable_parse(TSRMLS_C); fetch_simple_variable(&$$, &$1, 1 TSRMLS_CC); } - | T_VARIABLE '[' { zend_do_begin_variable_parse(TSRMLS_C); } encaps_var_offset ']' { zend_do_fetch_globals(&$1 TSRMLS_CC); fetch_array_begin(&$$, &$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(&$$, &$2, &$4 TSRMLS_CC); } - | T_CURLY_OPEN cvar '}' { $$ = $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 '(' cvar ')' { 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: - cvar { zend_do_isset_or_isempty(ZEND_ISSET, &$$, &$1 TSRMLS_CC); } - | isset_variables ',' { zend_do_boolean_and_begin(&$1, &$2 TSRMLS_CC); } cvar { znode tmp; zend_do_isset_or_isempty(ZEND_ISSET, &tmp, &$4 TSRMLS_CC); zend_do_boolean_and_end(&$$, &$1, &tmp, &$2 TSRMLS_CC); } -; - -%% - |