Objective-C parsing. Error recovery when category implementation
declaration is illegally protocol qualified. // rdar://13920026
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@182136 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Parse/ParseObjc.cpp b/lib/Parse/ParseObjc.cpp
index 4a572f1..607b953 100644
--- a/lib/Parse/ParseObjc.cpp
+++ b/lib/Parse/ParseObjc.cpp
@@ -1541,6 +1541,12 @@
return DeclGroupPtrTy();
}
rparenLoc = ConsumeParen();
+ if (Tok.is(tok::less)) { // we have illegal '<' try to recover
+ Diag(Tok, diag::err_unexpected_protocol_qualifier);
+ AttributeFactory attr;
+ DeclSpec DS(attr);
+ (void)ParseObjCProtocolQualifiers(DS);
+ }
ObjCImpDecl = Actions.ActOnStartCategoryImplementation(
AtLoc, nameId, nameLoc, categoryId,
categoryLoc);
diff --git a/test/Parser/objc-error-qualified-implementation.m b/test/Parser/objc-error-qualified-implementation.m
index 444fb5d..8bbd502 100644
--- a/test/Parser/objc-error-qualified-implementation.m
+++ b/test/Parser/objc-error-qualified-implementation.m
@@ -19,3 +19,11 @@
@implementation K <P // expected-error {{@implementation declaration can not be protocol qualified}}
@end // expected-error {{expected '>'}}
+
+// rdar://13920026
+@implementation I (Cat) <P> // expected-error {{@implementation declaration can not be protocol qualified}}
+- (void) Meth {}
+@end
+
+@implementation I (Cat1) <P // expected-error {{@implementation declaration can not be protocol qualified}}
+@end // expected-error {{expected '>'}}