Refactoring; move the functionality of ASTWriter::GetOrCreateTypeID to the more generic
MakeTypeID template function which accepts a type and a function object that returns a TypeIdx.
MakeTypeID is in PCHCommon.h so that it can be used by ASTReader too.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111634 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Serialization/ASTCommon.h b/lib/Serialization/ASTCommon.h
index 8c94674..a0e2ecd 100644
--- a/lib/Serialization/ASTCommon.h
+++ b/lib/Serialization/ASTCommon.h
@@ -14,11 +14,33 @@
#ifndef LLVM_CLANG_SERIALIZATION_LIB_AST_COMMON_H
#define LLVM_CLANG_SERIALIZATION_LIB_AST_COMMON_H
+#include "clang/Serialization/ASTBitCodes.h"
+
namespace clang {
- class Selector;
namespace serialization {
+TypeIdx TypeIdxFromBuiltin(const BuiltinType *BT);
+
+template <typename IdxForTypeTy>
+TypeID MakeTypeID(QualType T, IdxForTypeTy IdxForType) {
+ if (T.isNull())
+ return PREDEF_TYPE_NULL_ID;
+
+ unsigned FastQuals = T.getLocalFastQualifiers();
+ T.removeFastQualifiers();
+
+ if (T.hasLocalNonFastQualifiers())
+ return IdxForType(T).asTypeID(FastQuals);
+
+ assert(!T.hasLocalQualifiers());
+
+ if (const BuiltinType *BT = dyn_cast<BuiltinType>(T.getTypePtr()))
+ return TypeIdxFromBuiltin(BT).asTypeID(FastQuals);
+
+ return IdxForType(T).asTypeID(FastQuals);
+}
+
unsigned ComputeHash(Selector Sel);
} // namespace serialization