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authorFariborz Jahanian <fjahanian@apple.com>2009-01-07 21:01:41 +0000
committerFariborz Jahanian <fjahanian@apple.com>2009-01-07 21:01:41 +0000
commit4b1e275eb743b46cd10153bb58743d89af7242ea (patch)
treedbfa7198846cee4ea2ddbd09421cce91e6c1a480
parentb0d27943e133f099a39abc26a49d1130b5a8f5af (diff)
Don't ICE when messaging on 'super' receiver when class
of category implementation is undeclared. Issue error instead. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61882 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r--include/clang/Basic/DiagnosticKinds.def2
-rw-r--r--lib/Sema/SemaExprObjC.cpp9
-rw-r--r--test/SemaObjC/undef-class-messagin-error.m13
3 files changed, 21 insertions, 3 deletions
diff --git a/include/clang/Basic/DiagnosticKinds.def b/include/clang/Basic/DiagnosticKinds.def
index a29f43f1dd..2577e65d3b 100644
--- a/include/clang/Basic/DiagnosticKinds.def
+++ b/include/clang/Basic/DiagnosticKinds.def
@@ -536,6 +536,8 @@ DIAG(error_bad_receiver_type, ERROR,
"bad receiver type %0")
DIAG(error_no_super_class, ERROR,
"no super class declared in @interface for %0")
+DIAG(error_no_super_class_message, ERROR,
+ "no @interface declaration found in class messaging of %0")
DIAG(error_missing_property_context, ERROR,
"missing context for property implementation declaration")
DIAG(error_bad_property_context, ERROR,
diff --git a/lib/Sema/SemaExprObjC.cpp b/lib/Sema/SemaExprObjC.cpp
index e2825056c5..de99e182d6 100644
--- a/lib/Sema/SemaExprObjC.cpp
+++ b/lib/Sema/SemaExprObjC.cpp
@@ -190,10 +190,13 @@ Sema::ExprResult Sema::ActOnClassMessage(
if (receiverName->isStr("super")) {
if (getCurMethodDecl()) {
isSuper = true;
- ClassDecl = getCurMethodDecl()->getClassInterface()->getSuperClass();
+ ObjCInterfaceDecl *OID = getCurMethodDecl()->getClassInterface();
+ if (!OID)
+ return Diag(lbrac, diag::error_no_super_class_message)
+ << getCurMethodDecl()->getDeclName();
+ ClassDecl = OID->getSuperClass();
if (!ClassDecl)
- return Diag(lbrac, diag::error_no_super_class)
- << getCurMethodDecl()->getClassInterface()->getDeclName();
+ return Diag(lbrac, diag::error_no_super_class) << OID->getDeclName();
if (getCurMethodDecl()->isInstance()) {
QualType superTy = Context.getObjCInterfaceType(ClassDecl);
superTy = Context.getPointerType(superTy);
diff --git a/test/SemaObjC/undef-class-messagin-error.m b/test/SemaObjC/undef-class-messagin-error.m
new file mode 100644
index 0000000000..6d162ac4e2
--- /dev/null
+++ b/test/SemaObjC/undef-class-messagin-error.m
@@ -0,0 +1,13 @@
+// RUN: clang -fsyntax-only -verify %s
+
+@interface _Child
++ (int) flashCache;
+@end
+
+@interface Child (Categ) // expected-error {{cannot find interface declaration for 'Child'}}
++ (int) flushCache2;
+@end
+
+@implementation Child (Categ) // expected-error {{cannot find interface declaration for 'Child'}}
++ (int) flushCache2 { [super flashCache]; } // expected-error {{no @interface declaration found in class messaging of 'flushCache2'}}
+@end