From a9a4a24592a2164114a8a36717650e6341eb67a4 Mon Sep 17 00:00:00 2001
From: Ted Kremenek <kremenek@apple.com>
Date: Thu, 1 Nov 2007 18:11:32 +0000
Subject: [PATCH] Implemented serialization of QualTypes within ASTContext. 
 Clarified ownership model of some type pointers.  Added FIXMEs to
 serialization.

Added comments to ASTContext indicating which variables we are intentionally
*not* serializing.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@43618 91177308-0d34-0410-b5e6-96231b3b80d8
---
 AST/ASTContext.cpp             | 23 +++++++++++++++++++++--
 include/clang/AST/ASTContext.h |  7 +++++++
 2 files changed, 28 insertions(+), 2 deletions(-)

diff --git a/AST/ASTContext.cpp b/AST/ASTContext.cpp
index acba398fb3..3ebc1af0cd 100644
--- a/AST/ASTContext.cpp
+++ b/AST/ASTContext.cpp
@@ -1419,9 +1419,17 @@ void ASTContext::Emit(llvm::Serializer& S) const {
   EmitSet(VectorTypes,S);
   EmitSet(FunctionTypeNoProtos,S);
   EmitSet(FunctionTypeProtos,S);
-  
   // FIXME: EmitSet(ObjcQualifiedInterfaceTypes,S);
-  // FIXME: RecourdLayoutInfo
+  
+  S.Emit(BuiltinVaListType);
+  S.Emit(ObjcIdType);
+  S.EmitPtr(IdStructType);
+  S.Emit(ObjcProtoType);
+  S.EmitPtr(ProtoStructType);
+  S.Emit(ObjcClassType);
+  S.EmitPtr(ClassStructType);
+  S.Emit(ObjcConstantStringType);
+  // FIXME: S.EmitOwnedPtr(CFConstantStringTypeDecl);
 }
 
 ASTContext* ASTContext::Materialize(llvm::Deserializer& D) {
@@ -1466,6 +1474,17 @@ ASTContext* ASTContext::Materialize(llvm::Deserializer& D) {
   ReadSet(A->VectorTypes, A->Types, D);
   ReadSet(A->FunctionTypeNoProtos, A->Types, D);
   ReadSet(A->FunctionTypeProtos, A->Types, D);
+  // ReadSet(A->ObjcQualifiedInterfaceTypes,D);
+  
+  D.Read(A->BuiltinVaListType);
+  D.Read(A->ObjcIdType);
+  D.ReadPtr(A->IdStructType);
+  D.Read(A->ObjcProtoType);
+  D.ReadPtr(A->ProtoStructType);
+  D.Read(A->ObjcClassType);
+  D.ReadPtr(A->ClassStructType);
+  D.Read(A->ObjcConstantStringType);
+  // FIXME: A->CFConstantStringTypeDecl = D.ReadOwnedPtr<RecordDecl>();
   
   return A;
 }
diff --git a/include/clang/AST/ASTContext.h b/include/clang/AST/ASTContext.h
index d8dc9d4992..e236f2a56b 100644
--- a/include/clang/AST/ASTContext.h
+++ b/include/clang/AST/ASTContext.h
@@ -42,6 +42,9 @@ class ASTContext {
   llvm::FoldingSet<FunctionTypeNoProto> FunctionTypeNoProtos;
   llvm::FoldingSet<FunctionTypeProto> FunctionTypeProtos;
   llvm::FoldingSet<ObjcQualifiedInterfaceType> ObjcQualifiedInterfaceTypes;
+  
+  /// RecordLayoutInfo - A cache mapping from RecordDecls to RecordLayoutInfo.
+  ///  This is lazily created.  This is intentionally not serialized.
   llvm::DenseMap<const RecordDecl*, const RecordLayout*> RecordLayoutInfo;
     
   /// BuiltinVaListType - built-in va list type.
@@ -73,6 +76,10 @@ public:
   TargetInfo &Target;
   IdentifierTable &Idents;
   SelectorTable &Selectors;
+  
+  /// This is intentionally not serialized.  It is populated by the
+  /// ASTContext ctor, and there are no external pointers/references to
+  /// internal variables of BuiltinInfo.
   Builtin::Context BuiltinInfo;
 
   // Builtin Types.
-- 
2.40.0