Added skeleton for Decl serialization.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@43361 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 62 insertions, 0 deletions

diff --git a/AST/DeclSerialization.cpp b/AST/DeclSerialization.cpp
new file mode 100644
index 0000000000..9b2278a4be
--- /dev/null
+++ b/AST/DeclSerialization.cpp
@@ -0,0 +1,62 @@
+//===--- DeclSerialization.cpp - Serialization of Decls ---------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file was developed by Ted Kremenek and is distributed under
+// the University of Illinois Open Source License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+//  This files defines methods that implement bitcode serialization for Decls.
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/AST/Decl.h"
+#include "clang/AST/Expr.h"
+#include "llvm/Bitcode/Serialize.h"
+#include "llvm/Bitcode/Deserialize.h"
+
+using llvm::SerializeTrait;
+using llvm::Deserializer;
+using llvm::Serializer;
+using namespace clang;
+
+
+static void EmitEnumConstantDecl(Serializer& S, EnumConstantDecl& decl) {
+  S.Emit(decl.getLocation());
+  S.EmitPtr(decl.getIdentifier());
+//  S.Emit(decl.getType());  FIXME
+  S.EmitOwnedPtr<Stmt>(decl.getInitExpr());
+    // S.Emit(decl.getInitVal()); FIXME
+  S.EmitOwnedPtr<Decl>(decl.getNextDeclarator());
+}
+
+static void EmitFunctionDecl(Serializer& S, FunctionDecl& decl) {
+  S.Emit(decl.getLocation());
+  S.EmitPtr(decl.getIdentifier());
+//  S.Emit(decl.getType()); FIXME
+//  S.Emit(decl.getStorageClass()); FIXME
+  S.EmitBool(decl.isInline());
+  S.EmitOwnedPtr<Decl>(decl.getNextDeclarator());
+}
+
+
+void SerializeTrait<Decl>::Emit(Serializer& S, Decl& decl) {
+  assert (!decl.isInvalidDecl() && "Can only serialize valid decls.");
+
+  S.EmitInt((unsigned) decl.getKind());
+
+  switch (decl.getKind()) {
+    default:
+      assert (false && "Serialization not implemented for decl type.");
+      return;
+      
+    case Decl::EnumConstant:
+      EmitEnumConstantDecl(S,cast<EnumConstantDecl>(decl));
+      return;
+      
+    case Decl::Function:
+      EmitFunctionDecl(S,cast<FunctionDecl>(decl));
+      return;      
+  }  
+}