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php-src/Zend/zend_language_parser.y

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%{
/*
+----------------------------------------------------------------------+
| Zend Engine |
+----------------------------------------------------------------------+
| Copyright (c) 1998-2004 Zend Technologies Ltd. (http://www.zend.com) |
+----------------------------------------------------------------------+
| This source file is subject to version 2.00 of the Zend license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.zend.com/license/2_00.txt. |
| If you did not receive a copy of the Zend license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@zend.com so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Andi Gutmans <andi@zend.com> |
| Zeev Suraski <zeev@zend.com> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
/*
* LALR shift/reduce conflicts and how they are resolved:
*
* - 2 shift/reduce conflicts due to the 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 '!'
%nonassoc T_INSTANCEOF
%right '~' T_INC T_DEC T_INT_CAST T_DOUBLE_CAST T_STRING_CAST T_ARRAY_CAST T_OBJECT_CAST T_BOOL_CAST T_UNSET_CAST '@'
%right '['
%nonassoc T_NEW T_CLONE
%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_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_FINAL T_PRIVATE T_PROTECTED T_PUBLIC
%token T_VAR
%token T_UNSET
%token T_ISSET
%token T_EMPTY
%token T_CLASS
%token T_INTERFACE
%token T_EXTENDS
%token T_IMPLEMENTS
%token T_OBJECT_OPERATOR
%token T_DOUBLE_ARROW
%token T_LIST
%token T_ARRAY
%token T_CLASS_C
%token T_METHOD_C
%token T_FUNC_C
%token T_LINE
%token T_FILE
%token T_COMMENT
%token T_DOC_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
| function_declaration_statement { zend_do_early_binding(TSRMLS_C); }
| class_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
| function_declaration_statement
| class_declaration_statement
;
statement:
unticked_statement { zend_do_ticks(TSRMLS_C); RESET_DOC_COMMENT(); }
;
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); } foreach_variable foreach_optional_arg ')' { zend_do_foreach_cont(&$6, &$7, &$4, &$1 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, &$1 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 '(' { zend_initialize_try_catch_element(&$1 TSRMLS_CC); }
fully_qualified_class_name { zend_do_first_catch(&$7 TSRMLS_CC); }
T_VARIABLE ')' { zend_do_begin_catch(&$1, &$9, &$11, 1 TSRMLS_CC); }
'{' inner_statement_list '}' { zend_do_end_catch(&$1 TSRMLS_CC); }
additional_catches { zend_do_mark_last_catch(&$7, &$18 TSRMLS_CC); }
| T_THROW expr ';' { zend_do_throw(&$2 TSRMLS_CC); }
;
additional_catches:
non_empty_additional_catches { $$ = $1; }
| /* empty */ { $$.u.opline_num = -1; }
;
non_empty_additional_catches:
additional_catch { $$ = $1; }
| non_empty_additional_catches additional_catch { $$ = $2; }
;
additional_catch:
T_CATCH '(' fully_qualified_class_name { $$.u.opline_num = get_next_op_number(CG(active_op_array)); } T_VARIABLE ')' { zend_do_begin_catch(&$1, &$3, &$5, 0 TSRMLS_CC); } '{' inner_statement_list '}' { zend_do_end_catch(&$1 TSRMLS_CC); }
;
unset_variables:
unset_variable
| unset_variables ',' unset_variable
;
unset_variable:
variable { zend_do_end_variable_parse(BP_VAR_UNSET, 0 TSRMLS_CC); zend_do_unset(&$1 TSRMLS_CC); }
;
use_filename:
T_CONSTANT_ENCAPSED_STRING { $$ = $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; }
| '&' { $$.op_type = ZEND_RETURN_REF; }
;
unticked_function_declaration_statement:
T_FUNCTION { $1.u.opline_num = CG(zend_lineno); } is_reference T_STRING { zend_do_begin_function_declaration(&$1, &$4, 0, $3.op_type, NULL TSRMLS_CC); }
'(' parameter_list ')' '{' inner_statement_list '}' { zend_do_end_function_declaration(&$1 TSRMLS_CC); }
;
unticked_class_declaration_statement:
class_entry_type T_STRING extends_from
{ zend_do_begin_class_declaration(&$1, &$2, &$3 TSRMLS_CC); }
implements_list
'{'
class_statement_list
'}' { zend_do_end_class_declaration(&$1, &$2 TSRMLS_CC); }
| interface_entry T_STRING
{ zend_do_begin_class_declaration(&$1, &$2, NULL TSRMLS_CC); }
interface_extends_list
'{'
class_statement_list
'}' { zend_do_end_class_declaration(&$1, &$2 TSRMLS_CC); }
;
class_entry_type:
T_CLASS { $$.u.constant.value.lval = 0; }
| T_ABSTRACT T_CLASS { $$.u.constant.value.lval = ZEND_ACC_EXPLICIT_ABSTRACT_CLASS; }
| T_FINAL T_CLASS { $$.u.constant.value.lval = ZEND_ACC_FINAL_CLASS; }
;
extends_from:
/* empty */ { $$.op_type = IS_UNUSED; }
| T_EXTENDS fully_qualified_class_name { $$ = $2; }
;
interface_entry:
T_INTERFACE { $$.u.constant.value.lval = ZEND_ACC_INTERFACE; }
;
interface_extends_list:
/* empty */
| T_EXTENDS interface_list
;
implements_list:
/* empty */
| T_IMPLEMENTS interface_list
;
interface_list:
fully_qualified_class_name { zend_do_implements_interface(&$1 TSRMLS_CC); }
| interface_list ',' fully_qualified_class_name { zend_do_implements_interface(&$3 TSRMLS_CC); }
;
foreach_optional_arg:
/* empty */ { $$.op_type = IS_UNUSED; }
| T_DOUBLE_ARROW foreach_variable { $$ = $2; }
;
foreach_variable:
w_variable { $$ = $1; }
| '&' w_variable { $$ = $2; $$.u.EA.type |= ZEND_PARSED_REFERENCE_VARIABLE; }
;
for_statement:
statement
| ':' inner_statement_list T_ENDFOR ';'
;
foreach_statement:
statement
| ':' inner_statement_list T_ENDFOREACH ';'
;
declare_statement:
statement
| ':' inner_statement_list T_ENDDECLARE ';'
;
declare_list:
T_STRING '=' static_scalar { zend_do_declare_stmt(&$1, &$3 TSRMLS_CC); }
| declare_list ',' T_STRING '=' static_scalar { zend_do_declare_stmt(&$3, &$5 TSRMLS_CC); }
;
switch_case_list:
'{' case_list '}' { $$ = $2; }
| '{' ';' case_list '}' { $$ = $3; }
| ':' case_list T_ENDSWITCH ';' { $$ = $2; }
| ':' ';' case_list T_ENDSWITCH ';' { $$ = $3; }
;
case_list:
/* empty */ { $$.op_type = IS_UNUSED; }
| case_list T_CASE expr case_separator { zend_do_extended_info(TSRMLS_C); zend_do_case_before_statement(&$1, &$2, &$3 TSRMLS_CC); } inner_statement_list { zend_do_case_after_statement(&$$, &$2 TSRMLS_CC); $$.op_type = IS_CONST; }
| case_list T_DEFAULT case_separator { zend_do_extended_info(TSRMLS_C); zend_do_default_before_statement(&$1, &$2 TSRMLS_CC); } inner_statement_list { zend_do_case_after_statement(&$$, &$2 TSRMLS_CC); $$.op_type = IS_CONST; }
;
case_separator:
':'
| ';'
;
while_statement:
statement
| ':' inner_statement_list T_ENDWHILE ';'
;
elseif_list:
/* empty */
| elseif_list T_ELSEIF '(' expr ')' { zend_do_if_cond(&$4, &$5 TSRMLS_CC); } statement { zend_do_if_after_statement(&$5, 0 TSRMLS_CC); }
;
new_elseif_list:
/* empty */
| new_elseif_list T_ELSEIF '(' expr ')' ':' { zend_do_if_cond(&$4, &$5 TSRMLS_CC); } inner_statement_list { zend_do_if_after_statement(&$5, 0 TSRMLS_CC); }
;
else_single:
/* empty */
| T_ELSE statement
;
new_else_single:
/* empty */
| T_ELSE ':' inner_statement_list
;
parameter_list:
non_empty_parameter_list
| /* empty */
;
non_empty_parameter_list:
optional_class_type T_VARIABLE { znode tmp; fetch_simple_variable(&tmp, &$2, 0 TSRMLS_CC); $$.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, &$1, &$2, 0 TSRMLS_CC); }
| optional_class_type '&' T_VARIABLE { znode tmp; fetch_simple_variable(&tmp, &$3, 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, &$$, NULL, &$1, &$3, 1 TSRMLS_CC); }
| optional_class_type '&' T_VARIABLE '=' static_scalar { znode tmp; fetch_simple_variable(&tmp, &$3, 0 TSRMLS_CC); $$.op_type = IS_CONST; $$.u.constant.value.lval=1; $$.u.constant.type=IS_LONG; INIT_PZVAL(&$$.u.constant); zend_do_receive_arg(ZEND_RECV_INIT, &tmp, &$$, &$5, &$1, &$3, 1 TSRMLS_CC); }
| optional_class_type 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, &$$, &$4, &$1, &$2, 0 TSRMLS_CC); }
| non_empty_parameter_list ',' optional_class_type T_VARIABLE { znode tmp; fetch_simple_variable(&tmp, &$4, 0 TSRMLS_CC); $$=$1; $$.u.constant.value.lval++; zend_do_receive_arg(ZEND_RECV, &tmp, &$$, NULL, &$3, &$4, 0 TSRMLS_CC); }
| non_empty_parameter_list ',' optional_class_type '&' T_VARIABLE { znode tmp; fetch_simple_variable(&tmp, &$5, 0 TSRMLS_CC); $$=$1; $$.u.constant.value.lval++; zend_do_receive_arg(ZEND_RECV, &tmp, &$$, NULL, &$3, &$5, 1 TSRMLS_CC); }
| non_empty_parameter_list ',' optional_class_type '&' T_VARIABLE '=' static_scalar { znode tmp; fetch_simple_variable(&tmp, &$5, 0 TSRMLS_CC); $$=$1; $$.u.constant.value.lval++; zend_do_receive_arg(ZEND_RECV_INIT, &tmp, &$$, &$7, &$3, &$5, 1 TSRMLS_CC); }
| non_empty_parameter_list ',' optional_class_type 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, &$$, &$6, &$3, &$4, 0 TSRMLS_CC); }
;
optional_class_type:
/* empty */ { $$.op_type = IS_UNUSED; }
| T_STRING { $$ = $1; }
;
function_call_parameter_list:
non_empty_function_call_parameter_list { $$ = $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 TSRMLS_CC); } '('
parameter_list ')' method_body { zend_do_abstract_method(&$5, &$1, &$10 TSRMLS_CC); zend_do_end_function_declaration(&$2 TSRMLS_CC); }
;
method_body:
';' /* abstract method */ { $$.u.constant.value.lval = ZEND_ACC_ABSTRACT; }
| '{' inner_statement_list '}' { $$.u.constant.value.lval = 0; }
;
variable_modifiers:
non_empty_member_modifiers { $$ = $1; }
| T_VAR { zend_error(E_STRICT, "var: Deprecated. Please use the public/private/protected modifiers"); $$.u.constant.value.lval = ZEND_ACC_PUBLIC; }
;
method_modifiers:
/* empty */ { $$.u.constant.value.lval = ZEND_ACC_PUBLIC; }
| non_empty_member_modifiers { $$ = $1; if (!($$.u.constant.value.lval & ZEND_ACC_PPP_MASK)) { $$.u.constant.value.lval |= ZEND_ACC_PUBLIC; } }
;
non_empty_member_modifiers:
member_modifier { $$ = $1; }
| non_empty_member_modifiers member_modifier { $$.u.constant.value.lval = zend_do_verify_access_types(&$1, &$2); }
;
member_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; }
| T_ABSTRACT { $$.u.constant.value.lval = ZEND_ACC_ABSTRACT; }
| T_FINAL { $$.u.constant.value.lval = ZEND_ACC_FINAL; }
;
class_variable_declaration:
class_variable_declaration ',' T_VARIABLE { zend_do_declare_property(&$3, NULL, CG(access_type) TSRMLS_CC); }
| class_variable_declaration ',' T_VARIABLE '=' static_scalar { zend_do_declare_property(&$3, &$5, CG(access_type) TSRMLS_CC); }
| T_VARIABLE { zend_do_declare_property(&$1, NULL, CG(access_type) TSRMLS_CC); }
| T_VARIABLE '=' static_scalar { zend_do_declare_property(&$1, &$3, CG(access_type) TSRMLS_CC); }
;
class_constant_declaration:
class_constant_declaration ',' T_STRING '=' static_scalar { zend_do_declare_class_constant(&$3, &$5 TSRMLS_CC); }
| T_CONST T_STRING '=' static_scalar { zend_do_declare_class_constant(&$2, &$4 TSRMLS_CC); }
;
echo_expr_list:
echo_expr_list ',' expr { zend_do_echo(&$3 TSRMLS_CC); }
| expr { zend_do_echo(&$1 TSRMLS_CC); }
;
for_expr:
/* empty */ { $$.op_type = IS_CONST; $$.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(&$$, &$7 TSRMLS_CC); }
| variable '=' expr { zend_check_writable_variable(&$1); zend_do_end_variable_parse(BP_VAR_W, 0 TSRMLS_CC); zend_do_assign(&$$, &$1, &$3 TSRMLS_CC); }
| variable '=' '&' variable { zend_check_writable_variable(&$1); 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(&$$, &$1, &$4 TSRMLS_CC); }
| variable '=' '&' T_NEW class_name_reference { zend_error(E_STRICT, "Assigning the return value of new by reference is deprecated"); zend_check_writable_variable(&$1); zend_do_extended_fcall_begin(TSRMLS_C); zend_do_begin_new_object(&$4, &$5 TSRMLS_CC); } ctor_arguments { zend_do_end_new_object(&$3, &$4, &$7 TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C); zend_do_end_variable_parse(BP_VAR_W, 0 TSRMLS_CC); zend_do_assign_ref(&$$, &$1, &$3 TSRMLS_CC); }
| T_NEW class_name_reference { zend_do_extended_fcall_begin(TSRMLS_C); zend_do_begin_new_object(&$1, &$2 TSRMLS_CC); } ctor_arguments { zend_do_end_new_object(&$$, &$1, &$4 TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C);}
| T_CLONE expr { zend_do_clone(&$$, &$2 TSRMLS_CC); }
| variable T_PLUS_EQUAL expr { zend_check_writable_variable(&$1); zend_do_end_variable_parse(BP_VAR_RW, 0 TSRMLS_CC); zend_do_binary_assign_op(ZEND_ASSIGN_ADD, &$$, &$1, &$3 TSRMLS_CC); }
| variable T_MINUS_EQUAL expr { zend_check_writable_variable(&$1); zend_do_end_variable_parse(BP_VAR_RW, 0 TSRMLS_CC); zend_do_binary_assign_op(ZEND_ASSIGN_SUB, &$$, &$1, &$3 TSRMLS_CC); }
| variable T_MUL_EQUAL expr { zend_check_writable_variable(&$1); zend_do_end_variable_parse(BP_VAR_RW, 0 TSRMLS_CC); zend_do_binary_assign_op(ZEND_ASSIGN_MUL, &$$, &$1, &$3 TSRMLS_CC); }
| variable T_DIV_EQUAL expr { zend_check_writable_variable(&$1); zend_do_end_variable_parse(BP_VAR_RW, 0 TSRMLS_CC); zend_do_binary_assign_op(ZEND_ASSIGN_DIV, &$$, &$1, &$3 TSRMLS_CC); }
| variable T_CONCAT_EQUAL expr { zend_check_writable_variable(&$1); zend_do_end_variable_parse(BP_VAR_RW, 0 TSRMLS_CC); zend_do_binary_assign_op(ZEND_ASSIGN_CONCAT, &$$, &$1, &$3 TSRMLS_CC); }
| variable T_MOD_EQUAL expr { zend_check_writable_variable(&$1); zend_do_end_variable_parse(BP_VAR_RW, 0 TSRMLS_CC); zend_do_binary_assign_op(ZEND_ASSIGN_MOD, &$$, &$1, &$3 TSRMLS_CC); }
| variable T_AND_EQUAL expr { zend_check_writable_variable(&$1); zend_do_end_variable_parse(BP_VAR_RW, 0 TSRMLS_CC); zend_do_binary_assign_op(ZEND_ASSIGN_BW_AND, &$$, &$1, &$3 TSRMLS_CC); }
| variable T_OR_EQUAL expr { zend_check_writable_variable(&$1); zend_do_end_variable_parse(BP_VAR_RW, 0 TSRMLS_CC); zend_do_binary_assign_op(ZEND_ASSIGN_BW_OR, &$$, &$1, &$3 TSRMLS_CC); }
| variable T_XOR_EQUAL expr { zend_check_writable_variable(&$1); zend_do_end_variable_parse(BP_VAR_RW, 0 TSRMLS_CC); zend_do_binary_assign_op(ZEND_ASSIGN_BW_XOR, &$$, &$1, &$3 TSRMLS_CC); }
| variable T_SL_EQUAL expr { zend_check_writable_variable(&$1); zend_do_end_variable_parse(BP_VAR_RW, 0 TSRMLS_CC); zend_do_binary_assign_op(ZEND_ASSIGN_SL, &$$, &$1, &$3 TSRMLS_CC); }
| variable T_SR_EQUAL expr { zend_check_writable_variable(&$1); 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, &$$, &$3, &$1 TSRMLS_CC); }
| expr T_INSTANCEOF class_name_reference { zend_do_instanceof(&$$, &$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, &$$, &$4, 0, $2.u.opline_num TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C); }
| class_constant '(' { zend_do_begin_class_member_function_call(TSRMLS_C); zend_do_extended_fcall_begin(TSRMLS_C); }
function_call_parameter_list
')' { zend_do_end_function_call(NULL, &$$, &$4, 1, 1 TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C);}
| static_member '(' { zend_do_end_variable_parse(BP_VAR_R, 0 TSRMLS_CC); zend_do_begin_class_member_function_call(TSRMLS_C); zend_do_extended_fcall_begin(TSRMLS_C); }
function_call_parameter_list
')' { zend_do_end_function_call(NULL, &$$, &$4, 1, 1 TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C);}
| variable_without_objects '(' { zend_do_end_variable_parse(BP_VAR_R, 0 TSRMLS_CC); zend_do_begin_dynamic_function_call(&$1 TSRMLS_CC); }
function_call_parameter_list ')'
{ zend_do_end_function_call(&$1, &$$, &$4, 0, 1 TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C);}
;
fully_qualified_class_name:
T_STRING { zend_do_fetch_class(&$$, &$1 TSRMLS_CC); }
;
class_name_reference:
T_STRING { zend_do_fetch_class(&$$, &$1 TSRMLS_CC); }
| dynamic_class_name_reference { zend_do_end_variable_parse(BP_VAR_R, 0 TSRMLS_CC); zend_do_fetch_class(&$$, &$1 TSRMLS_CC); }
;
dynamic_class_name_reference:
base_variable T_OBJECT_OPERATOR { zend_do_push_object(&$1 TSRMLS_CC); }
object_property { zend_do_push_object(&$4 TSRMLS_CC); zend_do_declare_implicit_property(TSRMLS_C); } dynamic_class_name_variable_properties
{ zend_do_pop_object(&$$ TSRMLS_CC); $$.u.EA.type = ZEND_PARSED_MEMBER; }
| base_variable { $$ = $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); zend_do_declare_implicit_property(TSRMLS_C); }
;
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 { $$ = $1; }
| T_METHOD_C { $$ = $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; $$.u.constant.type = IS_CONSTANT_ARRAY; }
| static_class_constant { $$ = $1; }
;
static_class_constant:
T_STRING T_PAAMAYIM_NEKUDOTAYIM T_STRING { zend_do_fetch_constant(&$$, &$1, &$3, ZEND_CT TSRMLS_CC); }
;
scalar:
T_STRING { zend_do_fetch_constant(&$$, NULL, &$1, ZEND_RT TSRMLS_CC); }
| T_STRING_VARNAME { $$ = $1; }
| class_constant { $$ = $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_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(&$1); }
;
rw_variable:
variable { zend_do_end_variable_parse(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); $$.u.EA.type = $1.u.EA.type | ($7.u.EA.type ? $7.u.EA.type : $6.u.EA.type); }
| base_variable_with_function_calls { $$ = $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 */ { zend_do_declare_implicit_property(TSRMLS_C); $$.u.EA.type = ZEND_PARSED_MEMBER; }
;
variable_without_objects:
reference_variable { $$ = $1; }
| simple_indirect_reference reference_variable { zend_do_indirect_references(&$$, &$1, &$2 TSRMLS_CC); }
;
static_member:
fully_qualified_class_name T_PAAMAYIM_NEKUDOTAYIM variable_without_objects { $$ = $3; zend_do_fetch_static_member(&$1 TSRMLS_CC); }
;
base_variable_with_function_calls:
base_variable { $$ = $1; }
| function_call { zend_do_begin_variable_parse(TSRMLS_C); $$ = $1; $$.u.EA.type = ZEND_PARSED_FUNCTION_CALL; }
;
base_variable:
reference_variable { $$ = $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; $$.u.EA.type = ZEND_PARSED_STATIC_MEMBER; }
;
reference_variable:
reference_variable '[' dim_offset ']' { fetch_array_dim(&$$, &$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(&$$, &$1, &tmp, &$2 TSRMLS_CC); }
;
class_constant:
fully_qualified_class_name T_PAAMAYIM_NEKUDOTAYIM T_STRING { zend_do_fetch_constant(&$$, &$1, &$3, ZEND_RT TSRMLS_CC); }
;
%%
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* indent-tabs-mode: t
* End:
*/
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