Fix crash-on-invalid. <rdar://problem/12765391>.

llvm-svn: 168851

clang/include/clang/Basic/DiagnosticSemaKinds.td

@@ -4182,7 +4182,7 @@ def err_property_not_found : Error<
 def err_invalid_property_name : Error<
   "%0 is not a valid property name (accessing an object of type %1)">;
 def err_getter_not_found : Error<
-  "expected getter method not found on object of type %0">;
+  "no getter method for read from property">;
 def err_objc_subscript_method_not_found : Error<
   "expected method to %select{read|write}1 %select{dictionary|array}2 element not "
   "found on object of type %0">;

clang/lib/Sema/SemaPseudoObject.cpp

@@ -113,7 +113,7 @@ namespace {
     Expr *rebuildSpecific(ObjCPropertyRefExpr *refExpr) {
       // Fortunately, the constraint that we're rebuilding something
       // with a base limits the number of cases here.
-      assert(refExpr->getBase());
+      assert(refExpr->isObjectReceiver());
 
       if (refExpr->isExplicitProperty()) {
         return new (S.Context)
@@ -713,10 +713,9 @@ ExprResult ObjCPropertyOpBuilder::buildSet(Expr *op, SourceLocation opcLoc,
 ExprResult ObjCPropertyOpBuilder::buildRValueOperation(Expr *op) {
   // Explicit properties always have getters, but implicit ones don't.
   // Check that before proceeding.
-  if (RefExpr->isImplicitProperty() &&
-      !RefExpr->getImplicitPropertyGetter()) {
+  if (RefExpr->isImplicitProperty() && !RefExpr->getImplicitPropertyGetter()) {
     S.Diag(RefExpr->getLocation(), diag::err_getter_not_found)
-      << RefExpr->getBase()->getType();
+        << RefExpr->getSourceRange();
     return ExprError();
   }
 

clang/test/SemaObjC/error-missing-getter.m

@@ -9,11 +9,34 @@
 @end
 
 int func (int arg, Subclass *x) {
-    if (x.setterOnly) { // expected-error {{expected getter method not found on object of type 'Subclass *'}}
+    if (x.setterOnly) { // expected-error {{no getter method for read from property}}
       x.setterOnly = 1;
     }
-    func(x.setterOnly + 1, x); // expected-error {{expected getter method not found on object of type 'Subclass *'}} 
-    int i = x.setterOnly + 1;  // expected-error {{expected getter method not found on object of type 'Subclass *'}} 
-    return x.setterOnly + 1;   // expected-error {{expected getter method not found on object of type 'Subclass *'}} 
+    func(x.setterOnly + 1, x); // expected-error {{no getter method for read from property}}
+    int i = x.setterOnly + 1;  // expected-error {{no getter method for read from property}}
+    return x.setterOnly + 1;   // expected-error {{no getter method for read from property}}
 }
 
+// <rdar://problem/12765391>
+
+@interface TestClass 
++ (void) setSetterOnly : (int) arg;
+@end
+
+int func2 (int arg) {
+    if (TestClass.setterOnly) { // expected-error {{no getter method for read from property}}
+      TestClass.setterOnly = 1;
+    }
+    func(TestClass.setterOnly + 1, x); // expected-error {{no getter method for read from property}}
+    int i = TestClass.setterOnly + 1;  // expected-error {{no getter method for read from property}}
+    return TestClass.setterOnly + 1;   // expected-error {{no getter method for read from property}}
+}
+
+@interface Sub : Subclass
+- (int) func3;
+@end
+@implementation Sub
+- (int) func3 {
+	return super.setterOnly; // expected-error {{no getter method for read from property}}
+}
+@end

clang/test/SemaObjC/property-user-setter.m

@@ -89,7 +89,7 @@ void g(int); // expected-note {{passing argument to parameter here}}
 
 void f(C *c) {
     c.Foo = 17; // OK 
-    g(c.Foo); // expected-error {{expected getter method not found on object of type 'C *'}}
+    g(c.Foo); // expected-error {{no getter method for read from property}}
 }
 
 
@@ -132,7 +132,7 @@ int main (void) {
   self.Pxyz = 0; // expected-error {{synthesized properties 'Pxyz' and 'pxyz' both claim setter 'setPxyz:'}}
   self.pxyz = 0; // expected-error {{synthesized properties 'pxyz' and 'Pxyz' both claim setter 'setPxyz:'}}
   self.R = 0;
-  return self.R; // expected-error {{expected getter method not found on object of type 'rdar11363363 *'}}
+  return self.R; // expected-error {{no getter method for read from property}}
 }
 @end
 

clang/test/SemaObjCXX/properties.mm

@@ -28,7 +28,7 @@ struct X {
 - (int) z;
 @end
 void test2(Test2 *a) {
-  auto y = a.y; // expected-error {{expected getter method not found on object of type 'Test2 *'}}
+  auto y = a.y; // expected-error {{no getter method for read from property}}
   auto z = a.z;
 }