This patch introduces a new class to keep track of class implementation info. It also adds more
semantic checks for class and protocol declarations. Test cases are good indications of kind of
checking being done in this patch.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@42311 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Sema/class-impl-1.m b/test/Sema/class-impl-1.m
new file mode 100644
index 0000000..6bd7da1
--- /dev/null
+++ b/test/Sema/class-impl-1.m
@@ -0,0 +1,31 @@
+typedef int INTF3; // expected-error {{previous definition is here}}
+
+@interface SUPER @end // expected-error {{previous definition is here}}
+
+@interface OBJECT @end
+
+@interface INTF : OBJECT
+@end
+
+@implementation INTF @end
+
+@implementation INTF // expected-error {{reimplementation of class 'INTF'}}
+@end
+
+
+@interface INTF1 : OBJECT
+@end
+
+@implementation INTF1 : SUPER // expected-error {{conflicting super class name 'SUPER'}}
+@end
+
+@interface INTF2
+@end
+
+@implementation INTF2 : SUPR // expected-error {{cannot find interface declaration for 'SUPR', superclass of 'INTF2'}}
+@end
+
+@implementation INTF3 @end // expected-error {{redefinition of 'INTF3' as different kind of symbol}}
+
+@implementation INTF4 @end // expected-warning {{cannot find interface declaration for 'INTF4'}}
+