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- Framework for knowing what kind of variable we just parsed.

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- This will be used in compile-time error checking which couldn't be done
- at the level of the grammar.
This commit is contained in:
Andi Gutmans
2001-12-16 19:18:19 +00:00
parent b4bd4d4f30
commit 880e7d8ce7
2 changed files with 20 additions and 11 deletions
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8
Zend/zend_compile.h
View File

@@ -556,6 +556,14 @@ int zendlex(znode *zendlval TSRMLS_DC);
#define ZEND_FETCH_CLASS_SELF 1
#define ZEND_FETCH_CLASS_MAIN 2
/* variable parsing type (compile-time) */
#define ZEND_PARSED_MEMBER (1<<0)
#define ZEND_PARSED_METHOD_CALL (1<<1)
#define ZEND_PARSED_STATIC_MEMBER (1<<2)
#define ZEND_PARSED_FUNCTION_CALL (1<<3)
#define ZEND_PARSED_VARIABLE (1<<4)
/* unset types */
#define ZEND_UNSET_REG 0
#define ZEND_UNSET_OBJ 1

23
Zend/zend_language_parser.y
View File

@@ -627,28 +627,29 @@ r_cvar_without_static_member:
cvar:
base_cvar_without_objects T_OBJECT_OPERATOR { zend_do_push_object(&$1 TSRMLS_CC); } object_property { zend_do_push_object(&$4 TSRMLS_CC); } method_or_not
variable_properties { zend_do_pop_object(&$$ TSRMLS_CC); }
base_cvar_without_objects T_OBJECT_OPERATOR { zend_do_push_object(&$1 TSRMLS_CC); }
object_property { zend_do_push_object(&$4 TSRMLS_CC); } method_or_not variable_properties
{ zend_do_pop_object(&$$ TSRMLS_CC); $$.u.EA.type = $1.u.EA.type | ($7.u.EA.type ? $7.u.EA.type : $6.u.EA.type); }
| base_cvar_without_objects { $$ = $1; }
;
variable_properties:
variable_properties variable_property
| /* empty */
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
T_OBJECT_OPERATOR object_property { zend_do_push_object(&$2 TSRMLS_CC); } method_or_not { $$.u.EA.type = $4.u.EA.type; }
;
method_or_not:
'(' { zend_do_pop_object(&$1 TSRMLS_CC); zend_do_begin_method_call(NULL, &$1 TSRMLS_CC); }
function_call_parameter_list ')'
{ zend_do_end_function_call(&$1, &$$, &$3, 0, 1 TSRMLS_CC); zend_do_extended_fcall_end(TSRMLS_C);
zend_do_push_object(&$$ TSRMLS_CC); }
| /* empty */
zend_do_push_object(&$$ TSRMLS_CC); $$.u.EA.type = ZEND_PARSED_METHOD_CALL; }
| /* empty */ { $$.u.EA.type = ZEND_PARSED_MEMBER; }
;
cvar_without_objects:
@@ -662,10 +663,10 @@ static_member:
base_cvar_without_objects:
reference_variable { $$ = $1; }
| simple_indirect_reference reference_variable { zend_do_indirect_references(&$$, &$1, &$2 TSRMLS_CC); }
| static_member { $$ = $1; }
| function_call { zend_do_begin_variable_parse(TSRMLS_C); $$ = $1; }
reference_variable { $$ = $1; $$.u.EA.type = ZEND_PARSED_VARIABLE; }
| simple_indirect_reference reference_variable { zend_do_indirect_references(&$$, &$1, &$2 TSRMLS_CC); $$.u.EA.type = ZEND_PARSED_VARIABLE; }
| static_member { $$ = $1; $$.u.EA.type = ZEND_PARSED_STATIC_MEMBER; }
| function_call { zend_do_begin_variable_parse(TSRMLS_C); $$ = $1; $$.u.EA.type = ZEND_PARSED_FUNCTION_CALL; }
;
reference_variable: