- Add BlockDecl AST node.
- Modify BlockExpr to reference the BlockDecl.

This is "cleanup" necessary to improve our lookup semantics for blocks (to fix <rdar://problem/6272905> clang block rewriter: parameter to function not imported into block?).

Still some follow-up work to finish this (forthcoming).



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@57298 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AST/DeclSerialization.cpp b/lib/AST/DeclSerialization.cpp
index 3f36e3a..2ebcb76 100644
--- a/lib/AST/DeclSerialization.cpp
+++ b/lib/AST/DeclSerialization.cpp
@@ -441,6 +441,22 @@
   return decl;
 }
 
+void BlockDecl::EmitImpl(Serializer& S) const {
+  // FIXME: what about arguments?
+  S.Emit(getCaretLocation());
+  S.EmitOwnedPtr(Body);
+}
+
+BlockDecl* BlockDecl::CreateImpl(Deserializer& D, ASTContext& C) {
+  QualType Q = QualType::ReadVal(D);
+  SourceLocation L = SourceLocation::ReadVal(D);
+  /*CompoundStmt* BodyStmt = cast<CompoundStmt>(*/D.ReadOwnedPtr<Stmt>(C)/*)*/;
+  assert(0 && "Cannot deserialize BlockBlockExpr yet");
+  // FIXME: need to handle parameters.
+  //return new BlockBlockExpr(L, Q, BodyStmt);
+  return 0;
+}
+
 //===----------------------------------------------------------------------===//
 //      RecordDecl Serialization.
 //===----------------------------------------------------------------------===//