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-rw-r--r--lib/AST/ASTConsumer.cpp3
-rw-r--r--lib/AST/ASTContext.cpp30
-rw-r--r--lib/AST/ASTImporter.cpp14
-rw-r--r--lib/AST/DeclObjC.cpp26
-rw-r--r--lib/AST/DeclPrinter.cpp13
-rw-r--r--lib/AST/Type.cpp11
6 files changed, 78 insertions, 19 deletions
diff --git a/lib/AST/ASTConsumer.cpp b/lib/AST/ASTConsumer.cpp
index f37cbdea54..04a084a06a 100644
--- a/lib/AST/ASTConsumer.cpp
+++ b/lib/AST/ASTConsumer.cpp
@@ -17,3 +17,6 @@ using namespace clang;
void ASTConsumer::HandleTopLevelDecl(DeclGroupRef D) {}
+void ASTConsumer::HandleInterestingDecl(DeclGroupRef D) {
+ HandleTopLevelDecl(D);
+}
diff --git a/lib/AST/ASTContext.cpp b/lib/AST/ASTContext.cpp
index 7d159269c1..83cee5cc78 100644
--- a/lib/AST/ASTContext.cpp
+++ b/lib/AST/ASTContext.cpp
@@ -872,7 +872,7 @@ void ASTContext::ShallowCollectObjCIvars(const ObjCInterfaceDecl *OI,
/// CollectNonClassIvars -
/// This routine collects all other ivars which are not declared in the class.
/// This includes synthesized ivars (via @synthesize) and those in
-// class's @implementation.
+/// class's @implementation.
///
void ASTContext::CollectNonClassIvars(const ObjCInterfaceDecl *OI,
llvm::SmallVectorImpl<ObjCIvarDecl*> &Ivars) {
@@ -2212,18 +2212,24 @@ QualType ASTContext::getObjCObjectPointerType(QualType ObjectT) {
return QualType(QType, 0);
}
-/// getObjCInterfaceType - Return the unique reference to the type for the
-/// specified ObjC interface decl. The list of protocols is optional.
-QualType ASTContext::getObjCInterfaceType(const ObjCInterfaceDecl *Decl) {
- if (Decl->TypeForDecl)
- return QualType(Decl->TypeForDecl, 0);
+QualType ASTContext::getObjCInterfaceType(const ObjCInterfaceDecl *Decl,
+ const ObjCInterfaceDecl *PrevDecl) {
+ assert(Decl && "Passed null for Decl param");
- // FIXME: redeclarations?
- void *Mem = Allocate(sizeof(ObjCInterfaceType), TypeAlignment);
- ObjCInterfaceType *T = new (Mem) ObjCInterfaceType(Decl);
- Decl->TypeForDecl = T;
- Types.push_back(T);
- return QualType(T, 0);
+ if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0);
+
+ if (PrevDecl) {
+ assert(PrevDecl->TypeForDecl && "previous decl has no TypeForDecl");
+ Decl->TypeForDecl = PrevDecl->TypeForDecl;
+ return QualType(PrevDecl->TypeForDecl, 0);
+ }
+
+ assert(!Decl->getPreviousDeclaration() &&
+ "interface has previous declaration");
+
+ Decl->TypeForDecl = new (*this, TypeAlignment) ObjCInterfaceType(Decl);
+ Types.push_back(Decl->TypeForDecl);
+ return QualType(Decl->TypeForDecl, 0);
}
/// getTypeOfExprType - Unlike many "get<Type>" functions, we can't unique
diff --git a/lib/AST/ASTImporter.cpp b/lib/AST/ASTImporter.cpp
index 5e8586f2a0..6242d40041 100644
--- a/lib/AST/ASTImporter.cpp
+++ b/lib/AST/ASTImporter.cpp
@@ -2467,6 +2467,18 @@ Decl *ASTNodeImporter::VisitObjCProtocolDecl(ObjCProtocolDecl *D) {
}
Decl *ASTNodeImporter::VisitObjCInterfaceDecl(ObjCInterfaceDecl *D) {
+ // If this interface has a definition in the translation unit we're coming
+ // from, but this particular declaration is not that definition, import the
+ // definition and map to that.
+ ObjCInterfaceDecl *Definition = D->getDefinition();
+ if (Definition && Definition != D) {
+ Decl *ImportedDef = Importer.Import(Definition);
+ if (!ImportedDef)
+ return 0;
+
+ return Importer.Imported(D, ImportedDef);
+ }
+
// Import the major distinguishing characteristics of an @interface.
DeclContext *DC, *LexicalDC;
DeclarationName Name;
@@ -2491,7 +2503,7 @@ Decl *ASTNodeImporter::VisitObjCInterfaceDecl(ObjCInterfaceDecl *D) {
ToIface = ObjCInterfaceDecl::Create(Importer.getToContext(),
DC, Loc,
Name.getAsIdentifierInfo(),
- Importer.Import(D->getClassLoc()),
+ Importer.Import(D->getClassLoc()), 0,
D->isForwardDecl(),
D->isImplicitInterfaceDecl());
ToIface->setForwardDecl(D->isForwardDecl());
diff --git a/lib/AST/DeclObjC.cpp b/lib/AST/DeclObjC.cpp
index 32f9433d9a..0720b203d6 100644
--- a/lib/AST/DeclObjC.cpp
+++ b/lib/AST/DeclObjC.cpp
@@ -45,6 +45,14 @@ void ObjCProtocolList::set(ObjCProtocolDecl* const* InList, unsigned Elts,
// ObjCInterfaceDecl
//===----------------------------------------------------------------------===//
+ObjCInterfaceDecl *ObjCInterfaceDecl::getDefinition() {
+ for (redecl_iterator I = redecls_begin(), E = redecls_end(); I != E; ++I) {
+ if (I->isDefinition())
+ return *I;
+ }
+ return 0;
+}
+
/// getIvarDecl - This method looks up an ivar in this ContextDecl.
///
ObjCIvarDecl *
@@ -432,18 +440,30 @@ ObjCInterfaceDecl *ObjCInterfaceDecl::Create(ASTContext &C,
SourceLocation atLoc,
IdentifierInfo *Id,
SourceLocation ClassLoc,
+ ObjCInterfaceDecl *PrevDecl,
bool ForwardDecl, bool isInternal){
- return new (C) ObjCInterfaceDecl(DC, atLoc, Id, ClassLoc, ForwardDecl,
- isInternal);
+ ObjCInterfaceDecl *D = new (C) ObjCInterfaceDecl(DC, atLoc, Id, ClassLoc,
+ PrevDecl, ForwardDecl,
+ isInternal);
+ C.getObjCInterfaceType(D, PrevDecl);
+ return D;
+}
+
+ObjCInterfaceDecl *ObjCInterfaceDecl::Create(ASTContext &C, EmptyShell) {
+ return new (C) ObjCInterfaceDecl(0, SourceLocation(), 0, SourceLocation(),
+ 0, false, false);
}
ObjCInterfaceDecl::
ObjCInterfaceDecl(DeclContext *DC, SourceLocation atLoc, IdentifierInfo *Id,
- SourceLocation CLoc, bool FD, bool isInternal)
+ SourceLocation CLoc, ObjCInterfaceDecl *PrevDecl,
+ bool FD, bool isInternal)
: ObjCContainerDecl(ObjCInterface, DC, atLoc, Id),
TypeForDecl(0), SuperClass(0),
CategoryList(0), ForwardDecl(FD), InternalInterface(isInternal),
ClassLoc(CLoc) {
+ if (PrevDecl)
+ setPreviousDeclaration(PrevDecl);
}
ObjCImplementationDecl *ObjCInterfaceDecl::getImplementation() const {
diff --git a/lib/AST/DeclPrinter.cpp b/lib/AST/DeclPrinter.cpp
index fae1e724a1..d3ebc8f508 100644
--- a/lib/AST/DeclPrinter.cpp
+++ b/lib/AST/DeclPrinter.cpp
@@ -727,12 +727,19 @@ void DeclPrinter::VisitObjCImplementationDecl(ObjCImplementationDecl *OID) {
void DeclPrinter::VisitObjCInterfaceDecl(ObjCInterfaceDecl *OID) {
std::string I = OID->getNameAsString();
+
+ if (OID->isForwardDecl()) {
+ // These shouldn't be directly visited, but in case they are, write them
+ // as an @class declaration.
+ Out << "@class " << I;
+ return;
+ }
+
ObjCInterfaceDecl *SID = OID->getSuperClass();
+ Out << "@interface " << I;
if (SID)
- Out << "@interface " << I << " : " << SID;
- else
- Out << "@interface " << I;
+ Out << " : " << SID;
// Protocols?
const ObjCList<ObjCProtocolDecl> &Protocols = OID->getReferencedProtocols();
diff --git a/lib/AST/Type.cpp b/lib/AST/Type.cpp
index 31af6fb661..4f884989ae 100644
--- a/lib/AST/Type.cpp
+++ b/lib/AST/Type.cpp
@@ -360,6 +360,17 @@ const ObjCObjectPointerType *Type::getAsObjCInterfacePointerType() const {
return 0;
}
+ObjCInterfaceDecl *ObjCInterfaceType::getDecl() const {
+ for (ObjCInterfaceDecl::redecl_iterator I = Decl->redecls_begin(),
+ E = Decl->redecls_end();
+ I != E; ++I) {
+ if (I->isDefinition())
+ return *I;
+ }
+ // If we can't find a definition, return whatever we have.
+ return Decl;
+}
+
const CXXRecordDecl *Type::getCXXRecordDeclForPointerType() const {
if (const PointerType *PT = getAs<PointerType>())
if (const RecordType *RT = PT->getPointeeType()->getAs<RecordType>())