summaryrefslogtreecommitdiff
path: root/clang/test/SemaObjCXX/instantiate-expr.mm
diff options
context:
space:
mode:
Diffstat (limited to 'clang/test/SemaObjCXX/instantiate-expr.mm')
-rw-r--r--clang/test/SemaObjCXX/instantiate-expr.mm75
1 files changed, 75 insertions, 0 deletions
diff --git a/clang/test/SemaObjCXX/instantiate-expr.mm b/clang/test/SemaObjCXX/instantiate-expr.mm
new file mode 100644
index 0000000..75a5b7e
--- /dev/null
+++ b/clang/test/SemaObjCXX/instantiate-expr.mm
@@ -0,0 +1,75 @@
+// RUN: %clang_cc1 -fsyntax-only -verify %s
+
+@interface A {
+@public
+ int ivar;
+}
+@property int prop;
+@end
+
+typedef struct objc_object {
+ Class isa;
+} *id;
+
+// Test instantiation of value-dependent ObjCIvarRefExpr,
+// ObjCIsaRefExpr, and ObjCPropertyRefExpr nodes.
+A *get_an_A(unsigned);
+id get_an_id(unsigned);
+
+template<unsigned N, typename T, typename U, typename V>
+void f(U value, V value2) {
+ get_an_A(N)->ivar = value; // expected-error{{assigning to 'int' from incompatible type 'int *'}}
+ get_an_A(N).prop = value2; // expected-error{{assigning to 'int' from incompatible type 'double *'}}
+ T c = get_an_id(N)->isa; // expected-error{{cannot initialize a variable of type 'int' with an lvalue of type 'Class'}} \
+ // expected-warning 5 {{direct access to objective-c's isa is deprecated in favor of object_setClass() and object_getClass()}}
+}
+
+template void f<6, Class>(int, int); // expected-note{{in instantiation of}}
+template void f<7, Class>(int*, int); // expected-note{{in instantiation of}}
+template void f<8, Class>(int, double*); // expected-note{{in instantiation of}}
+template void f<9, int>(int, int); // expected-note{{in instantiation of}}
+
+// Test instantiation of unresolved member reference expressions to an
+// ivar reference.
+template<typename T, typename U, typename V>
+void f2(T ptr, U value, V value2) {
+ ptr->ivar = value; // expected-error{{assigning to 'int' from incompatible type 'int *'}}
+ ptr.prop = value2; // expected-error{{assigning to 'int' from incompatible type 'double *'}}
+}
+
+template void f2(A*, int, int);
+template void f2(A*, int*, int); // expected-note{{instantiation of}}
+template void f2(A*, int, double*); // expected-note{{instantiation of}}
+
+// Test instantiation of unresolved member referfence expressions to
+// an isa.
+template<typename T, typename U>
+void f3(U ptr) {
+ T c = ptr->isa; // expected-error{{cannot initialize a variable of type 'int' with an lvalue of type 'Class'}} \
+ // expected-warning 2 {{direct access to objective-c's isa is deprecated in favor of object_setClass() and object_getClass()}}
+}
+
+template void f3<Class>(id); // expected-note{{in instantiation of}}
+template void f3<int>(id); // expected-note{{instantiation of}}
+
+// Implicit setter/getter
+@interface B
+- (int)foo;
+- (void)setFoo:(int)value;
+@end
+
+template<typename T>
+void f4(B *b, T value) {
+ b.foo = value; // expected-error{{assigning to 'int' from incompatible type 'int *'}}
+}
+
+template void f4(B*, int);
+template void f4(B*, int*); // expected-note{{in instantiation of function template specialization 'f4<int *>' requested here}}
+
+template<typename T, typename U>
+void f5(T ptr, U value) {
+ ptr.foo = value; // expected-error{{assigning to 'int' from incompatible type 'int *'}}
+}
+
+template void f5(B*, int);
+template void f5(B*, int*); // expected-note{{in instantiation of function template specialization 'f5<B *, int *>' requested here}}