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Prevent memory leak by not creating a category object when there is a 

fatal error of category's undefined interface.

llvm-svn: 42790
This commit is contained in:
Fariborz Jahanian 2007-10-09 17:05:22 +00:00
parent fc16c0a026
commit cb995d8981
1 changed files with 7 additions and 9 deletions
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16
clang/Sema/SemaDecl.cpp
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@ -1063,17 +1063,17 @@ Sema::DeclTy *Sema::ActOnStartCategoryInterface(Scope* S,
IdentifierInfo *CategoryName, SourceLocation CategoryLoc,
IdentifierInfo **ProtoRefNames, unsigned NumProtoRefs) {
ObjcInterfaceDecl *IDecl = getObjCInterfaceDecl(ClassName);
ObjcCategoryDecl *CDecl = new ObjcCategoryDecl(AtInterfaceLoc, NumProtoRefs,
CategoryName);
bool err = false;
CDecl->setClassInterface(IDecl);
ObjcCategoryDecl *CDecl;
/// Check that class of this category is already completely declared.
if (!IDecl || IDecl->isForwardDecl()) {
Diag(ClassLoc, diag::err_undef_interface, ClassName->getName());
err = true;
return 0;
}
else {
CDecl = new ObjcCategoryDecl(AtInterfaceLoc, NumProtoRefs,
CategoryName);
CDecl->setClassInterface(IDecl);
/// Check for duplicate interface declaration for this category
ObjcCategoryDecl *CDeclChain;
for (CDeclChain = IDecl->getListCategories(); CDeclChain;
@ -1081,7 +1081,6 @@ Sema::DeclTy *Sema::ActOnStartCategoryInterface(Scope* S,
if (CDeclChain->getIdentifier() == CategoryName) {
Diag(CategoryLoc, diag::err_dup_category_def, ClassName->getName(),
CategoryName->getName());
err = true;
break;
}
}
@ -1097,12 +1096,11 @@ Sema::DeclTy *Sema::ActOnStartCategoryInterface(Scope* S,
Diag(CategoryLoc, diag::err_undef_protocolref,
ProtoRefNames[i]->getName(),
CategoryName->getName());
err = true;
}
CDecl->setCatReferencedProtocols((int)i, RefPDecl);
}
return err ? 0 : CDecl;
return CDecl;
}
/// ActOnStartCategoryImplementation - Perform semantic checks on the