diff options
Diffstat (limited to 'Zend/zend_language_parser.y')
| -rw-r--r-- | Zend/zend_language_parser.y | 172 |
1 files changed, 108 insertions, 64 deletions
diff --git a/Zend/zend_language_parser.y b/Zend/zend_language_parser.y index 2a69fcfc38..a2026609a5 100644 --- a/Zend/zend_language_parser.y +++ b/Zend/zend_language_parser.y @@ -70,6 +70,8 @@ static YYSIZE_T zend_yytnamerr(char*, const char*); %token T_LOGICAL_AND "and (T_LOGICAL_AND)" %right T_PRINT %token T_PRINT "print (T_PRINT)" +%right T_YIELD +%token T_YIELD "yield (T_YIELD)" %left '=' T_PLUS_EQUAL T_MINUS_EQUAL T_MUL_EQUAL T_DIV_EQUAL T_CONCAT_EQUAL T_MOD_EQUAL T_AND_EQUAL T_OR_EQUAL T_XOR_EQUAL T_SL_EQUAL T_SR_EQUAL %token T_PLUS_EQUAL "+= (T_PLUS_EQUAL)" %token T_MINUS_EQUAL "-= (T_MINUS_EQUAL)" @@ -162,6 +164,7 @@ static YYSIZE_T zend_yytnamerr(char*, const char*); %token T_RETURN "return (T_RETURN)" %token T_TRY "try (T_TRY)" %token T_CATCH "catch (T_CATCH)" +%token T_FINALLY "finally (T_FINALLY)" %token T_THROW "throw (T_THROW)" %token T_USE "use (T_USE)" %token T_INSTEADOF "insteadof (T_INSTEADOF)" @@ -278,10 +281,10 @@ statement: unticked_statement: '{' inner_statement_list '}' - | T_IF '(' expr ')' { zend_do_if_cond(&$3, &$4 TSRMLS_CC); } statement { zend_do_if_after_statement(&$4, 1 TSRMLS_CC); } elseif_list else_single { zend_do_if_end(TSRMLS_C); } - | T_IF '(' expr ')' ':' { zend_do_if_cond(&$3, &$4 TSRMLS_CC); } inner_statement_list { zend_do_if_after_statement(&$4, 1 TSRMLS_CC); } new_elseif_list new_else_single T_ENDIF ';' { zend_do_if_end(TSRMLS_C); } - | T_WHILE '(' { $1.u.op.opline_num = get_next_op_number(CG(active_op_array)); } expr ')' { zend_do_while_cond(&$4, &$5 TSRMLS_CC); } while_statement { zend_do_while_end(&$1, &$5 TSRMLS_CC); } - | T_DO { $1.u.op.opline_num = get_next_op_number(CG(active_op_array)); zend_do_do_while_begin(TSRMLS_C); } statement T_WHILE '(' { $5.u.op.opline_num = get_next_op_number(CG(active_op_array)); } expr ')' ';' { zend_do_do_while_end(&$1, &$5, &$7 TSRMLS_CC); } + | T_IF parenthesis_expr { zend_do_if_cond(&$2, &$1 TSRMLS_CC); } statement { zend_do_if_after_statement(&$1, 1 TSRMLS_CC); } elseif_list else_single { zend_do_if_end(TSRMLS_C); } + | T_IF parenthesis_expr ':' { zend_do_if_cond(&$2, &$1 TSRMLS_CC); } inner_statement_list { zend_do_if_after_statement(&$1, 1 TSRMLS_CC); } new_elseif_list new_else_single T_ENDIF ';' { zend_do_if_end(TSRMLS_C); } + | T_WHILE { $1.u.op.opline_num = get_next_op_number(CG(active_op_array)); } parenthesis_expr { zend_do_while_cond(&$3, &$$ TSRMLS_CC); } while_statement { zend_do_while_end(&$1, &$4 TSRMLS_CC); } + | T_DO { $1.u.op.opline_num = get_next_op_number(CG(active_op_array)); zend_do_do_while_begin(TSRMLS_C); } statement T_WHILE { $4.u.op.opline_num = get_next_op_number(CG(active_op_array)); } parenthesis_expr ';' { zend_do_do_while_end(&$1, &$4, &$6 TSRMLS_CC); } | T_FOR '(' for_expr @@ -291,7 +294,7 @@ unticked_statement: 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_SWITCH parenthesis_expr { zend_do_switch_cond(&$2 TSRMLS_CC); } switch_case_list { zend_do_switch_end(&$4 TSRMLS_CC); } | T_BREAK ';' { zend_do_brk_cont(ZEND_BRK, NULL TSRMLS_CC); } | T_BREAK expr ';' { zend_do_brk_cont(ZEND_BRK, &$2 TSRMLS_CC); } | T_CONTINUE ';' { zend_do_brk_cont(ZEND_CONT, NULL TSRMLS_CC); } @@ -299,6 +302,7 @@ unticked_statement: | T_RETURN ';' { zend_do_return(NULL, 0 TSRMLS_CC); } | T_RETURN expr_without_variable ';' { zend_do_return(&$2, 0 TSRMLS_CC); } | T_RETURN variable ';' { zend_do_return(&$2, 1 TSRMLS_CC); } + | yield_expr ';' { zend_do_free(&$1 TSRMLS_CC); } | T_GLOBAL global_var_list ';' | T_STATIC static_var_list ';' | T_ECHO echo_expr_list ';' @@ -311,20 +315,29 @@ unticked_statement: foreach_statement { zend_do_foreach_end(&$1, &$4 TSRMLS_CC); } | T_FOREACH '(' expr_without_variable T_AS { zend_do_foreach_begin(&$1, &$2, &$3, &$4, 0 TSRMLS_CC); } - variable foreach_optional_arg ')' { zend_check_writable_variable(&$6); zend_do_foreach_cont(&$1, &$2, &$4, &$6, &$7 TSRMLS_CC); } + foreach_variable foreach_optional_arg ')' { zend_do_foreach_cont(&$1, &$2, &$4, &$6, &$7 TSRMLS_CC); } foreach_statement { zend_do_foreach_end(&$1, &$4 TSRMLS_CC); } | T_DECLARE { $1.u.op.opline_num = get_next_op_number(CG(active_op_array)); zend_do_declare_begin(TSRMLS_C); } '(' declare_list ')' declare_statement { zend_do_declare_end(&$1 TSRMLS_CC); } | ';' /* empty statement */ | T_TRY { zend_do_try(&$1 TSRMLS_CC); } '{' inner_statement_list '}' - T_CATCH '(' { zend_initialize_try_catch_element(&$1 TSRMLS_CC); } - fully_qualified_class_name { zend_do_first_catch(&$7 TSRMLS_CC); } - T_VARIABLE ')' { zend_do_begin_catch(&$1, &$9, &$11, &$7 TSRMLS_CC); } - '{' inner_statement_list '}' { zend_do_end_catch(&$1 TSRMLS_CC); } - additional_catches { zend_do_mark_last_catch(&$7, &$18 TSRMLS_CC); } + catch_statement { zend_do_bind_catch(&$1, &$6 TSRMLS_CC); } + finally_statement { zend_do_end_finally(&$1, &$6, &$8 TSRMLS_CC); } | T_THROW expr ';' { zend_do_throw(&$2 TSRMLS_CC); } | T_GOTO T_STRING ';' { zend_do_goto(&$2 TSRMLS_CC); } ; +catch_statement: + /* empty */ { $$.op_type = IS_UNUSED; } + | T_CATCH '(' { zend_initialize_try_catch_element(&$1 TSRMLS_CC); } + fully_qualified_class_name { zend_do_first_catch(&$2 TSRMLS_CC); } + T_VARIABLE ')' { zend_do_begin_catch(&$1, &$4, &$6, &$2 TSRMLS_CC); } + '{' inner_statement_list '}' { zend_do_end_catch(&$1 TSRMLS_CC); } + additional_catches { zend_do_mark_last_catch(&$2, &$13 TSRMLS_CC); $$ = $1;} + +finally_statement: + /* empty */ { $$.op_type = IS_UNUSED; } + | T_FINALLY { zend_do_finally(&$1 TSRMLS_CC); } '{' inner_statement_list '}' { $$ = $1; } +; additional_catches: non_empty_additional_catches { $$ = $1; } @@ -336,12 +349,10 @@ non_empty_additional_catches: | non_empty_additional_catches additional_catch { $$ = $2; } ; - additional_catch: T_CATCH '(' fully_qualified_class_name { $$.u.op.opline_num = get_next_op_number(CG(active_op_array)); } T_VARIABLE ')' { zend_do_begin_catch(&$1, &$3, &$5, NULL TSRMLS_CC); } '{' inner_statement_list '}' { zend_do_end_catch(&$1 TSRMLS_CC); } ; - unset_variables: unset_variable | unset_variables ',' unset_variable @@ -359,7 +370,6 @@ class_declaration_statement: unticked_class_declaration_statement { DO_TICKS(); } ; - is_reference: /* empty */ { $$.op_type = ZEND_RETURN_VAL; } | '&' { $$.op_type = ZEND_RETURN_REF; } @@ -368,7 +378,8 @@ is_reference: unticked_function_declaration_statement: function is_reference T_STRING { zend_do_begin_function_declaration(&$1, &$3, 0, $2.op_type, NULL TSRMLS_CC); } - '(' parameter_list ')' '{' inner_statement_list '}' { zend_do_end_function_declaration(&$1 TSRMLS_CC); } + '(' parameter_list ')' + '{' inner_statement_list '}' { zend_do_end_function_declaration(&$1 TSRMLS_CC); } ; unticked_class_declaration_statement: @@ -423,10 +434,10 @@ foreach_optional_arg: | T_DOUBLE_ARROW foreach_variable { $$ = $2; } ; - foreach_variable: variable { zend_check_writable_variable(&$1); $$ = $1; } | '&' variable { zend_check_writable_variable(&$2); $$ = $2; $$.EA |= ZEND_PARSED_REFERENCE_VARIABLE; } + | T_LIST '(' { zend_do_list_init(TSRMLS_C); } assignment_list ')' { $$ = $1; $$.EA = ZEND_PARSED_LIST_EXPR; } ; for_statement: @@ -483,13 +494,13 @@ while_statement: 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); } + | elseif_list T_ELSEIF parenthesis_expr { zend_do_if_cond(&$3, &$2 TSRMLS_CC); } statement { zend_do_if_after_statement(&$2, 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); } + | new_elseif_list T_ELSEIF parenthesis_expr ':' { zend_do_if_cond(&$3, &$2 TSRMLS_CC); } inner_statement_list { zend_do_if_after_statement(&$2, 0 TSRMLS_CC); } ; @@ -532,8 +543,9 @@ optional_class_type: function_call_parameter_list: - non_empty_function_call_parameter_list { $$ = $1; } - | /* empty */ { Z_LVAL($$.u.constant) = 0; } + '(' ')' { Z_LVAL($$.u.constant) = 0; } + | '(' non_empty_function_call_parameter_list ')' { $$ = $2; } + | '(' yield_expr ')' { Z_LVAL($$.u.constant) = 1; zend_do_pass_param(&$2, ZEND_SEND_VAL, Z_LVAL($$.u.constant) TSRMLS_CC); } ; @@ -578,8 +590,9 @@ class_statement: variable_modifiers { CG(access_type) = Z_LVAL($1.u.constant); } class_variable_declaration ';' | class_constant_declaration ';' | trait_use_statement - | method_modifiers function is_reference T_STRING { zend_do_begin_function_declaration(&$2, &$4, 1, $3.op_type, &$1 TSRMLS_CC); } '(' - parameter_list ')' method_body { zend_do_abstract_method(&$4, &$1, &$9 TSRMLS_CC); zend_do_end_function_declaration(&$2 TSRMLS_CC); } + | method_modifiers function is_reference T_STRING { zend_do_begin_function_declaration(&$2, &$4, 1, $3.op_type, &$1 TSRMLS_CC); } + '(' parameter_list ')' + method_body { zend_do_abstract_method(&$4, &$1, &$9 TSRMLS_CC); zend_do_end_function_declaration(&$2 TSRMLS_CC); } ; trait_use_statement: @@ -772,7 +785,7 @@ expr_without_variable: | 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; } + | parenthesis_expr { $$ = $1; } | new_expr { $$ = $1; } | '(' new_expr ')' { $$ = $2; } instance_call { $$ = $5; } | expr '?' { zend_do_begin_qm_op(&$1, &$2 TSRMLS_CC); } @@ -791,16 +804,35 @@ expr_without_variable: | T_EXIT exit_expr { zend_do_exit(&$$, &$2 TSRMLS_CC); } | '@' { zend_do_begin_silence(&$1 TSRMLS_CC); } expr { zend_do_end_silence(&$1 TSRMLS_CC); $$ = $3; } | scalar { $$ = $1; } - | T_ARRAY '(' array_pair_list ')' { $$ = $3; } - | '[' array_pair_list ']' { $$ = $2; } + | combined_scalar_offset { zend_do_end_variable_parse(&$1, BP_VAR_R, 0 TSRMLS_CC); } + | combined_scalar { $$ = $1; } | '`' backticks_expr '`' { zend_do_shell_exec(&$$, &$2 TSRMLS_CC); } | T_PRINT expr { zend_do_print(&$$, &$2 TSRMLS_CC); } - | function is_reference '(' { zend_do_begin_lambda_function_declaration(&$$, &$1, $2.op_type, 0 TSRMLS_CC); } - parameter_list ')' lexical_vars '{' inner_statement_list '}' { zend_do_end_function_declaration(&$1 TSRMLS_CC); $$ = $4; } - | T_STATIC function is_reference '(' { zend_do_begin_lambda_function_declaration(&$$, &$2, $3.op_type, 1 TSRMLS_CC); } - parameter_list ')' lexical_vars '{' inner_statement_list '}' { zend_do_end_function_declaration(&$2 TSRMLS_CC); $$ = $5; } + | T_YIELD { zend_do_yield(&$$, NULL, NULL, 0 TSRMLS_CC); } + | function is_reference { zend_do_begin_lambda_function_declaration(&$$, &$1, $2.op_type, 0 TSRMLS_CC); } + '(' parameter_list ')' lexical_vars + '{' inner_statement_list '}' { zend_do_end_function_declaration(&$1 TSRMLS_CC); $$ = $3; } + | T_STATIC function is_reference { zend_do_begin_lambda_function_declaration(&$$, &$2, $3.op_type, 1 TSRMLS_CC); } + '(' parameter_list ')' lexical_vars + '{' inner_statement_list '}' { zend_do_end_function_declaration(&$2 TSRMLS_CC); $$ = $4; } +; + +yield_expr: + T_YIELD expr_without_variable { zend_do_yield(&$$, &$2, NULL, 0 TSRMLS_CC); } + | T_YIELD variable { zend_do_yield(&$$, &$2, NULL, 1 TSRMLS_CC); } + | T_YIELD expr T_DOUBLE_ARROW expr_without_variable { zend_do_yield(&$$, &$4, &$2, 0 TSRMLS_CC); } + | T_YIELD expr T_DOUBLE_ARROW variable { zend_do_yield(&$$, &$4, &$2, 1 TSRMLS_CC); } ; +combined_scalar_offset: + combined_scalar '[' dim_offset ']' { zend_do_begin_variable_parse(TSRMLS_C); fetch_array_dim(&$$, &$1, &$3 TSRMLS_CC); } + | combined_scalar_offset '[' dim_offset ']' { fetch_array_dim(&$$, &$1, &$3 TSRMLS_CC); } + | T_CONSTANT_ENCAPSED_STRING '[' dim_offset ']' { $1.EA = 0; zend_do_begin_variable_parse(TSRMLS_C); fetch_array_dim(&$$, &$1, &$3 TSRMLS_CC); } + +combined_scalar: + T_ARRAY '(' array_pair_list ')' { $$ = $3; } + | '[' array_pair_list ']' { $$ = $2; } + function: T_FUNCTION { $$.u.op.opline_num = CG(zend_lineno); } ; @@ -818,30 +850,22 @@ lexical_var_list: ; function_call: - namespace_name '(' { $2.u.op.opline_num = zend_do_begin_function_call(&$1, 1 TSRMLS_CC); } - function_call_parameter_list - ')' { zend_do_end_function_call(&$1, &$$, &$4, 0, $2.u.op.opline_num TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C); } - | T_NAMESPACE T_NS_SEPARATOR namespace_name '(' { $1.op_type = IS_CONST; ZVAL_EMPTY_STRING(&$1.u.constant); zend_do_build_namespace_name(&$1, &$1, &$3 TSRMLS_CC); $4.u.op.opline_num = zend_do_begin_function_call(&$1, 0 TSRMLS_CC); } - function_call_parameter_list - ')' { zend_do_end_function_call(&$1, &$$, &$6, 0, $4.u.op.opline_num TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C); } - | T_NS_SEPARATOR namespace_name '(' { $3.u.op.opline_num = zend_do_begin_function_call(&$2, 0 TSRMLS_CC); } - function_call_parameter_list - ')' { zend_do_end_function_call(&$2, &$$, &$5, 0, $3.u.op.opline_num TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C); } - | class_name T_PAAMAYIM_NEKUDOTAYIM variable_name '(' { $4.u.op.opline_num = zend_do_begin_class_member_function_call(&$1, &$3 TSRMLS_CC); } - function_call_parameter_list - ')' { zend_do_end_function_call($4.u.op.opline_num?NULL:&$3, &$$, &$6, $4.u.op.opline_num, $4.u.op.opline_num TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C);} - | class_name T_PAAMAYIM_NEKUDOTAYIM variable_without_objects '(' { zend_do_end_variable_parse(&$3, BP_VAR_R, 0 TSRMLS_CC); zend_do_begin_class_member_function_call(&$1, &$3 TSRMLS_CC); } - function_call_parameter_list - ')' { zend_do_end_function_call(NULL, &$$, &$6, 1, 1 TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C);} - | variable_class_name T_PAAMAYIM_NEKUDOTAYIM variable_name '(' { zend_do_begin_class_member_function_call(&$1, &$3 TSRMLS_CC); } - function_call_parameter_list - ')' { zend_do_end_function_call(NULL, &$$, &$6, 1, 1 TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C);} - | variable_class_name T_PAAMAYIM_NEKUDOTAYIM variable_without_objects '(' { zend_do_end_variable_parse(&$3, BP_VAR_R, 0 TSRMLS_CC); zend_do_begin_class_member_function_call(&$1, &$3 TSRMLS_CC); } - function_call_parameter_list - ')' { zend_do_end_function_call(NULL, &$$, &$6, 1, 1 TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C);} - | variable_without_objects '(' { zend_do_end_variable_parse(&$1, BP_VAR_R, 0 TSRMLS_CC); zend_do_begin_dynamic_function_call(&$1, 0 TSRMLS_CC); } - function_call_parameter_list ')' - { zend_do_end_function_call(&$1, &$$, &$4, 0, 1 TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C);} + namespace_name { $$.u.op.opline_num = zend_do_begin_function_call(&$1, 1 TSRMLS_CC); } + function_call_parameter_list { zend_do_end_function_call(&$1, &$$, &$3, 0, $2.u.op.opline_num TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C); } + | T_NAMESPACE T_NS_SEPARATOR namespace_name { $1.op_type = IS_CONST; ZVAL_EMPTY_STRING(&$1.u.constant); zend_do_build_namespace_name(&$1, &$1, &$3 TSRMLS_CC); $$.u.op.opline_num = zend_do_begin_function_call(&$1, 0 TSRMLS_CC); } + function_call_parameter_list { zend_do_end_function_call(&$1, &$$, &$5, 0, $4.u.op.opline_num TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C); } + | T_NS_SEPARATOR namespace_name { $$.u.op.opline_num = zend_do_begin_function_call(&$2, 0 TSRMLS_CC); } + function_call_parameter_list { zend_do_end_function_call(&$2, &$$, &$4, 0, $3.u.op.opline_num TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C); } + | class_name T_PAAMAYIM_NEKUDOTAYIM variable_name { $$.u.op.opline_num = zend_do_begin_class_member_function_call(&$1, &$3 TSRMLS_CC); } + function_call_parameter_list { zend_do_end_function_call($4.u.op.opline_num?NULL:&$3, &$$, &$5, $4.u.op.opline_num, $4.u.op.opline_num TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C);} + | class_name T_PAAMAYIM_NEKUDOTAYIM variable_without_objects { zend_do_end_variable_parse(&$3, BP_VAR_R, 0 TSRMLS_CC); zend_do_begin_class_member_function_call(&$1, &$3 TSRMLS_CC); } + function_call_parameter_list { zend_do_end_function_call(NULL, &$$, &$5, 1, 1 TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C);} + | variable_class_name T_PAAMAYIM_NEKUDOTAYIM variable_name { zend_do_begin_class_member_function_call(&$1, &$3 TSRMLS_CC); } + function_call_parameter_list { zend_do_end_function_call(NULL, &$$, &$5, 1, 1 TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C);} + | variable_class_name T_PAAMAYIM_NEKUDOTAYIM variable_without_objects { zend_do_end_variable_parse(&$3, BP_VAR_R, 0 TSRMLS_CC); zend_do_begin_class_member_function_call(&$1, &$3 TSRMLS_CC); } + function_call_parameter_list { zend_do_end_function_call(NULL, &$$, &$5, 1, 1 TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C);} + | variable_without_objects { zend_do_end_variable_parse(&$1, BP_VAR_R, 0 TSRMLS_CC); zend_do_begin_dynamic_function_call(&$1, 0 TSRMLS_CC); } + function_call_parameter_list { zend_do_end_function_call(&$1, &$$, &$3, 0, 1 TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C);} ; class_name: @@ -886,7 +910,7 @@ dynamic_class_name_variable_property: exit_expr: /* empty */ { memset(&$$, 0, sizeof(znode)); $$.op_type = IS_UNUSED; } | '(' ')' { memset(&$$, 0, sizeof(znode)); $$.op_type = IS_UNUSED; } - | '(' expr ')' { $$ = $2; } + | parenthesis_expr { $$ = $1; } ; backticks_expr: @@ -897,8 +921,8 @@ backticks_expr: ctor_arguments: - /* empty */ { Z_LVAL($$.u.constant)=0; } - | '(' function_call_parameter_list ')' { $$ = $2; } + /* empty */ { Z_LVAL($$.u.constant) = 0; } + | function_call_parameter_list { $$ = $1; } ; @@ -913,13 +937,14 @@ common_scalar: | T_METHOD_C { $$ = $1; } | T_FUNC_C { $$ = $1; } | T_NS_C { $$ = $1; } - | T_START_HEREDOC T_ENCAPSED_AND_WHITESPACE T_END_HEREDOC { $$ = $2; CG(heredoc) = Z_STRVAL($1.u.constant); CG(heredoc_len) = Z_STRLEN($1.u.constant); } - | T_START_HEREDOC T_END_HEREDOC { ZVAL_EMPTY_STRING(&$$.u.constant); INIT_PZVAL(&$$.u.constant); $$.op_type = IS_CONST; CG(heredoc) = Z_STRVAL($1.u.constant); CG(heredoc_len) = Z_STRLEN($1.u.constant); } + | T_START_HEREDOC T_ENCAPSED_AND_WHITESPACE T_END_HEREDOC { $$ = $2; } + | T_START_HEREDOC T_END_HEREDOC { ZVAL_EMPTY_STRING(&$$.u.constant); INIT_PZVAL(&$$.u.constant); $$.op_type = IS_CONST; } ; static_scalar: /* compile-time evaluated scalars */ common_scalar { $$ = $1; } + | static_class_name_scalar { $$ = $1; } | namespace_name { zend_do_fetch_constant(&$$, NULL, &$1, ZEND_CT, 1 TSRMLS_CC); } | T_NAMESPACE T_NS_SEPARATOR namespace_name { $$.op_type = IS_CONST; ZVAL_EMPTY_STRING(&$$.u.constant); zend_do_build_namespace_name(&$$, &$$, &$3 TSRMLS_CC); $3 = $$; zend_do_fetch_constant(&$$, NULL, &$3, ZEND_CT, 0 TSRMLS_CC); } | T_NS_SEPARATOR namespace_name { char *tmp = estrndup(Z_STRVAL($2.u.constant), Z_STRLEN($2.u.constant)+1); memcpy(&(tmp[1]), Z_STRVAL($2.u.constant), Z_STRLEN($2.u.constant)+1); tmp[0] = '\\'; efree(Z_STRVAL($2.u.constant)); Z_STRVAL($2.u.constant) = tmp; ++Z_STRLEN($2.u.constant); zend_do_fetch_constant(&$$, NULL, &$2, ZEND_CT, 0 TSRMLS_CC); } @@ -937,13 +962,14 @@ static_class_constant: scalar: T_STRING_VARNAME { $$ = $1; } + | class_name_scalar { $$ = $1; } | class_constant { $$ = $1; } | namespace_name { zend_do_fetch_constant(&$$, NULL, &$1, ZEND_RT, 1 TSRMLS_CC); } | T_NAMESPACE T_NS_SEPARATOR namespace_name { $$.op_type = IS_CONST; ZVAL_EMPTY_STRING(&$$.u.constant); zend_do_build_namespace_name(&$$, &$$, &$3 TSRMLS_CC); $3 = $$; zend_do_fetch_constant(&$$, NULL, &$3, ZEND_RT, 0 TSRMLS_CC); } | T_NS_SEPARATOR namespace_name { char *tmp = estrndup(Z_STRVAL($2.u.constant), Z_STRLEN($2.u.constant)+1); memcpy(&(tmp[1]), Z_STRVAL($2.u.constant), Z_STRLEN($2.u.constant)+1); tmp[0] = '\\'; efree(Z_STRVAL($2.u.constant)); Z_STRVAL($2.u.constant) = tmp; ++Z_STRLEN($2.u.constant); zend_do_fetch_constant(&$$, NULL, &$2, ZEND_RT, 0 TSRMLS_CC); } | common_scalar { $$ = $1; } | '"' encaps_list '"' { $$ = $2; } - | T_START_HEREDOC encaps_list T_END_HEREDOC { $$ = $2; CG(heredoc) = Z_STRVAL($1.u.constant); CG(heredoc_len) = Z_STRLEN($1.u.constant); } + | T_START_HEREDOC encaps_list T_END_HEREDOC { $$ = $2; } | T_CLASS_C { if (Z_TYPE($1.u.constant) == IS_CONSTANT) {zend_do_fetch_constant(&$$, NULL, &$1, ZEND_RT, 1 TSRMLS_CC);} else {$$ = $1;} } ; @@ -970,6 +996,11 @@ expr: | expr_without_variable { $$ = $1; } ; +parenthesis_expr: + '(' expr ')' { $$ = $2; } + | '(' yield_expr ')' { $$ = $2; } +; + r_variable: variable { zend_do_end_variable_parse(&$1, BP_VAR_R, 0 TSRMLS_CC); $$ = $1; } @@ -1009,9 +1040,8 @@ array_method_dereference: ; method: - '(' { zend_do_pop_object(&$1 TSRMLS_CC); zend_do_begin_method_call(&$1 TSRMLS_CC); } - function_call_parameter_list ')' - { zend_do_end_function_call(&$1, &$$, &$3, 1, 1 TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C); } + { zend_do_pop_object(&$$ TSRMLS_CC); zend_do_begin_method_call(&$$ TSRMLS_CC); } + function_call_parameter_list { zend_do_end_function_call(&$1, &$$, &$2, 1, 1 TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C); } ; method_or_not: @@ -1151,6 +1181,7 @@ encaps_var_offset: internal_functions_in_yacc: T_ISSET '(' isset_variables ')' { $$ = $3; } | T_EMPTY '(' variable ')' { zend_do_isset_or_isempty(ZEND_ISEMPTY, &$$, &$3 TSRMLS_CC); } + | T_EMPTY '(' expr_without_variable ')' { zend_do_unary_op(ZEND_BOOL_NOT, &$$, &$3 TSRMLS_CC); } | T_INCLUDE expr { zend_do_include_or_eval(ZEND_INCLUDE, &$$, &$2 TSRMLS_CC); } | T_INCLUDE_ONCE expr { zend_do_include_or_eval(ZEND_INCLUDE_ONCE, &$$, &$2 TSRMLS_CC); } | T_EVAL '(' expr ')' { zend_do_include_or_eval(ZEND_EVAL, &$$, &$3 TSRMLS_CC); } @@ -1159,8 +1190,13 @@ internal_functions_in_yacc: ; isset_variables: - variable { zend_do_isset_or_isempty(ZEND_ISSET, &$$, &$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(&$$, &$1, &tmp, &$2 TSRMLS_CC); } + isset_variable { $$ = $1; } + | isset_variables ',' { zend_do_boolean_and_begin(&$1, &$2 TSRMLS_CC); } isset_variable { zend_do_boolean_and_end(&$$, &$1, &$4, &$2 TSRMLS_CC); } +; + +isset_variable: + variable { zend_do_isset_or_isempty(ZEND_ISSET, &$$, &$1 TSRMLS_CC); } + | expr_without_variable { zend_error(E_COMPILE_ERROR, "Cannot use isset() on the result of an expression (you can use \"null !== expression\" instead)"); } ; class_constant: @@ -1168,6 +1204,14 @@ class_constant: | variable_class_name T_PAAMAYIM_NEKUDOTAYIM T_STRING { zend_do_fetch_constant(&$$, &$1, &$3, ZEND_RT, 0 TSRMLS_CC); } ; +static_class_name_scalar: + class_name T_PAAMAYIM_NEKUDOTAYIM T_CLASS { zend_do_resolve_class_name(&$$, &$1, 1 TSRMLS_CC); } +; + +class_name_scalar: + class_name T_PAAMAYIM_NEKUDOTAYIM T_CLASS { zend_do_resolve_class_name(&$$, &$1, 0 TSRMLS_CC); } +; + %% /* Copy to YYRES the contents of YYSTR after stripping away unnecessary |