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.

llvm-svn: 111634

1 files changed, 6 insertions, 50 deletions

diff --git a/clang/lib/Serialization/ASTWriter.cpp b/clang/lib/Serialization/ASTWriter.cpp
index 5a376a9f12c..716abde892d 100644
--- a/clang/lib/Serialization/ASTWriter.cpp
+++ b/clang/lib/Serialization/ASTWriter.cpp
@@ -2583,57 +2583,13 @@ void ASTWriter::AddTypeRef(QualType T, RecordData &Record) {
 }
 
 TypeID ASTWriter::GetOrCreateTypeID(QualType T) {
-  if (T.isNull())
-    return PREDEF_TYPE_NULL_ID;
-
-  unsigned FastQuals = T.getLocalFastQualifiers();
-  T.removeFastQualifiers();
-
-  if (T.hasLocalNonFastQualifiers())
-    return GetOrCreateTypeIdx(T).asTypeID(FastQuals);
-
-  assert(!T.hasLocalQualifiers());
-
-  if (const BuiltinType *BT = dyn_cast<BuiltinType>(T.getTypePtr())) {
-    TypeID ID = 0;
-    switch (BT->getKind()) {
-    case BuiltinType::Void:       ID = PREDEF_TYPE_VOID_ID;       break;
-    case BuiltinType::Bool:       ID = PREDEF_TYPE_BOOL_ID;       break;
-    case BuiltinType::Char_U:     ID = PREDEF_TYPE_CHAR_U_ID;     break;
-    case BuiltinType::UChar:      ID = PREDEF_TYPE_UCHAR_ID;      break;
-    case BuiltinType::UShort:     ID = PREDEF_TYPE_USHORT_ID;     break;
-    case BuiltinType::UInt:       ID = PREDEF_TYPE_UINT_ID;       break;
-    case BuiltinType::ULong:      ID = PREDEF_TYPE_ULONG_ID;      break;
-    case BuiltinType::ULongLong:  ID = PREDEF_TYPE_ULONGLONG_ID;  break;
-    case BuiltinType::UInt128:    ID = PREDEF_TYPE_UINT128_ID;    break;
-    case BuiltinType::Char_S:     ID = PREDEF_TYPE_CHAR_S_ID;     break;
-    case BuiltinType::SChar:      ID = PREDEF_TYPE_SCHAR_ID;      break;
-    case BuiltinType::WChar:      ID = PREDEF_TYPE_WCHAR_ID;      break;
-    case BuiltinType::Short:      ID = PREDEF_TYPE_SHORT_ID;      break;
-    case BuiltinType::Int:        ID = PREDEF_TYPE_INT_ID;        break;
-    case BuiltinType::Long:       ID = PREDEF_TYPE_LONG_ID;       break;
-    case BuiltinType::LongLong:   ID = PREDEF_TYPE_LONGLONG_ID;   break;
-    case BuiltinType::Int128:     ID = PREDEF_TYPE_INT128_ID;     break;
-    case BuiltinType::Float:      ID = PREDEF_TYPE_FLOAT_ID;      break;
-    case BuiltinType::Double:     ID = PREDEF_TYPE_DOUBLE_ID;     break;
-    case BuiltinType::LongDouble: ID = PREDEF_TYPE_LONGDOUBLE_ID; break;
-    case BuiltinType::NullPtr:    ID = PREDEF_TYPE_NULLPTR_ID;    break;
-    case BuiltinType::Char16:     ID = PREDEF_TYPE_CHAR16_ID;     break;
-    case BuiltinType::Char32:     ID = PREDEF_TYPE_CHAR32_ID;     break;
-    case BuiltinType::Overload:   ID = PREDEF_TYPE_OVERLOAD_ID;   break;
-    case BuiltinType::Dependent:  ID = PREDEF_TYPE_DEPENDENT_ID;  break;
-    case BuiltinType::ObjCId:     ID = PREDEF_TYPE_OBJC_ID;       break;
-    case BuiltinType::ObjCClass:  ID = PREDEF_TYPE_OBJC_CLASS;    break;
-    case BuiltinType::ObjCSel:    ID = PREDEF_TYPE_OBJC_SEL;      break;
-    case BuiltinType::UndeducedAuto:
-      assert(0 && "Should not see undeduced auto here");
-      break;
-    }
-
-    return TypeIdx(ID).asTypeID(FastQuals);
-  }
+  return MakeTypeID(T,
+              std::bind1st(std::mem_fun(&ASTWriter::GetOrCreateTypeIdx), this));
+}
 
-  return GetOrCreateTypeIdx(T).asTypeID(FastQuals);
+TypeID ASTWriter::getTypeID(QualType T) {
+  return MakeTypeID(T,
+              std::bind1st(std::mem_fun(&ASTWriter::getTypeIdx), this));
 }
 
 TypeIdx ASTWriter::GetOrCreateTypeIdx(QualType T) {