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| author | Fariborz Jahanian <fjahanian@apple.com> | 2009-04-23 21:49:04 +0000 |
|---|---|---|
| committer | Fariborz Jahanian <fjahanian@apple.com> | 2009-04-23 21:49:04 +0000 |
| commit | 6f0f25b0d8d8cfb9019b6169c680d5812784b02e (patch) | |
| tree | 272464691c18d16fb947b7033c92930716ab5bb3 /clang/lib/Sema/SemaDeclObjC.cpp | |
| parent | 0e89886048cddb1dbc0eb4b85822d13891ef6b17 (diff) | |
| download | bcm5719-llvm-6f0f25b0d8d8cfb9019b6169c680d5812784b02e.tar.gz bcm5719-llvm-6f0f25b0d8d8cfb9019b6169c680d5812784b02e.zip | |
Diagnose if an implementation implements a forward class
declaration (and avoid issuing bogus error later on).
llvm-svn: 69928
Diffstat (limited to 'clang/lib/Sema/SemaDeclObjC.cpp')
| -rw-r--r-- | clang/lib/Sema/SemaDeclObjC.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/clang/lib/Sema/SemaDeclObjC.cpp b/clang/lib/Sema/SemaDeclObjC.cpp index 3c544ed377c..6702eb9a7a2 100644 --- a/clang/lib/Sema/SemaDeclObjC.cpp +++ b/clang/lib/Sema/SemaDeclObjC.cpp @@ -623,8 +623,10 @@ Sema::DeclPtrTy Sema::ActOnStartClassImplementation( } else { // Is there an interface declaration of this class; if not, warn! IDecl = dyn_cast_or_null<ObjCInterfaceDecl>(PrevDecl); - if (!IDecl) + if (!IDecl || IDecl->isForwardDecl()) { Diag(ClassLoc, diag::warn_undef_interface) << ClassName; + IDecl = 0; + } } // Check that super class name is valid class name |
