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objective-c: improve diagnostic when collection expression is 

not a pointer to a fast-enumerable object. // rdar://11488666

llvm-svn: 158998
This commit is contained in:
Fariborz Jahanian 2012-06-22 15:37:00 +00:00
parent a6c8cc307b
commit 46e14f8108
3 changed files with 7 additions and 7 deletions
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2
clang/include/clang/Basic/DiagnosticSemaKinds.td
View File

@ -5485,7 +5485,7 @@ def err_selector_element_not_lvalue : Error<
def err_selector_element_type : Error<
"selector element type %0 is not a valid object">;
def err_collection_expr_type : Error<
"collection expression type %0 is not a valid object">;
"the type %0 is not a pointer to a fast-enumerable object">;
def warn_collection_expr_type : Warning<
"collection expression type %0 may not respond to %1">;

4
clang/test/Parser/objc-forcollection-neg.m
View File

@ -26,12 +26,12 @@ typedef struct objc_object {
int i=0;
for (int * elem in elem) // expected-error {{selector element type 'int *' is not a valid object}} \
expected-error {{collection expression type 'int *' is not a valid object}}
expected-error {{the type 'int *' is not a pointer to a fast-enumerable object}}
++i;
for (i in elem) // expected-error {{use of undeclared identifier 'elem'}} \
expected-error {{selector element type 'int' is not a valid object}}
++i;
for (id se in i) // expected-error {{collection expression type 'int' is not a valid object}}
for (id se in i) // expected-error {{the type 'int' is not a pointer to a fast-enumerable object}}
++i;
}
@end

8
clang/test/SemaObjCXX/instantiate-stmt.mm
View File

@ -38,20 +38,20 @@ template<typename T> void eat(T);
template<typename E, typename T>
void fast_enumeration_test(T collection) {
for (E element in collection) { // expected-error{{selector element type 'int' is not a valid object}} \
// expected-error{{collection expression type 'vector' is not a valid object}}
// expected-error{{the type 'vector' is not a pointer to a fast-enumerable object}}
eat(element);
}
E element;
for (element in collection) // expected-error{{selector element type 'int' is not a valid object}} \
// expected-error{{collection expression type 'vector' is not a valid object}}
// expected-error{{the type 'vector' is not a pointer to a fast-enumerable object}}
eat(element);
for (NSString *str in collection) // expected-error{{collection expression type 'vector' is not a valid object}}
for (NSString *str in collection) // expected-error{{the type 'vector' is not a pointer to a fast-enumerable object}}
eat(str);
NSString *str;
for (str in collection) // expected-error{{collection expression type 'vector' is not a valid object}}
for (str in collection) // expected-error{{the type 'vector' is not a pointer to a fast-enumerable object}}
eat(str);
}