PCH (de-)serialization for ObjCImplDecl. This can't be tested yet.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69855 91177308-0d34-0410-b5e6-96231b3b80d8

include/clang/AST/DeclObjC.h

@@ -809,12 +809,15 @@ public:
   
   const ObjCInterfaceDecl *getClassInterface() const { return ClassInterface; }
   ObjCInterfaceDecl *getClassInterface() { return ClassInterface; }
-  
+  void setClassInterface(ObjCInterfaceDecl *IFace) { ClassInterface = IFace; }
+
   void addInstanceMethod(ASTContext &Context, ObjCMethodDecl *method) { 
+    // FIXME: Context should be set correctly before we get here.
     method->setLexicalDeclContext(this);
     addDecl(Context, method); 
   }
   void addClassMethod(ASTContext &Context, ObjCMethodDecl *method) { 
+    // FIXME: Context should be set correctly before we get here.
     method->setLexicalDeclContext(this);
     addDecl(Context, method); 
   }

lib/AST/DeclObjC.cpp

@@ -543,6 +543,7 @@ ObjCCategoryImplDecl::Create(ASTContext &C, DeclContext *DC,
 
 void ObjCImplDecl::addPropertyImplementation(ASTContext &Context, 
                                              ObjCPropertyImplDecl *property) {
+  // FIXME: The context should be correct before we get here.
   property->setLexicalDeclContext(this);
   addDecl(Context, property);
 }

lib/Frontend/PCHReader.cpp

@@ -322,7 +322,9 @@ void PCHDeclReader::VisitObjCPropertyDecl(ObjCPropertyDecl *D) {
 
 void PCHDeclReader::VisitObjCImplDecl(ObjCImplDecl *D) {
   VisitDecl(D);
-  // FIXME: Implement.
+  D->setClassInterface(
+              cast_or_null<ObjCInterfaceDecl>(Reader.GetDecl(Record[Idx++])));
+  D->setLocEnd(SourceLocation::getFromRawEncoding(Record[Idx++]));
 }
 
 void PCHDeclReader::VisitObjCCategoryImplDecl(ObjCCategoryImplDecl *D) {

lib/Frontend/PCHWriter.cpp

@@ -493,7 +493,8 @@ void PCHDeclWriter::VisitObjCPropertyDecl(ObjCPropertyDecl *D) {
 
 void PCHDeclWriter::VisitObjCImplDecl(ObjCImplDecl *D) {
   VisitDecl(D);
-  // FIXME: Implement.
+  Writer.AddDeclRef(D->getClassInterface(), Record);
+  Writer.AddSourceLocation(D->getLocEnd(), Record);
   // Abstract class (no need to define a stable pch::DECL code).
 }