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Because of a lack of a clear ownership role between ObjCInterfaceDecls and 

ObjCPropertyDecls, have TranslationUnit destroy ObjCPropertyDecls. This is a
horrible hack, and must be removed eventually.

llvm-svn: 52051
This commit is contained in:
Ted Kremenek 2008-06-06 17:21:42 +00:00
parent 09a0d04ea0
commit 5144fe2287
2 changed files with 19 additions and 7 deletions
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10
clang/lib/AST/DeclObjC.cpp
View File

@ -80,12 +80,10 @@ void ObjCInterfaceDecl::Destroy(ASTContext& C) {
for (classmeth_iterator I=classmeth_begin(), E=classmeth_end(); I!=E; ++I)
if (*I) (*I)->Destroy(C);
// FIXME: Cannot destroy properties right now because the properties of
// both the super class and this class are in this array. This can
// cause double-deletions.
//for (classprop_iterator I=classprop_begin(), E=classprop_end(); I!=E; ++I)
// if (*I) (*I)->Destroy(C);
//
// FIXME: Because there is no clear ownership
// role between ObjCInterfaceDecls and the ObjCPropertyDecls that they
// reference, we destroy ObjCPropertyDecls in ~TranslationUnit.
Decl::Destroy(C);
}

14
clang/lib/AST/TranslationUnit.cpp
View File

@ -37,6 +37,20 @@ TranslationUnit::~TranslationUnit() {
if (Killed.count(*I)) continue;
Killed.insert(*I);
// FIXME: This is a horrible hack. Because there is no clear ownership
// role between ObjCInterfaceDecls and the ObjCPropertyDecls that they
// reference, we need to destroy ObjCPropertyDecls here. This will
// eventually be fixed when the ownership of ObjCPropertyDecls gets
// cleaned up.
if (ObjCInterfaceDecl* IDecl = dyn_cast<ObjCInterfaceDecl>(*I))
for (ObjCInterfaceDecl::classprop_iterator ID=IDecl->classprop_begin(),
ED=IDecl->classprop_end(); ID!=ED; ++ID) {
if (Killed.count(*ID)) continue;
Killed.insert(*ID);
(*ID)->Destroy(*Context);
}
(*I)->Destroy(*Context);
}
}