Implement a new type node, UnaryTransformType, designed to represent a

type that turns one type into another. This is used as the basis to
implement __underlying_type properly - with TypeSourceInfo and proper
behavior in the face of templates.

llvm-svn: 132017

1 files changed, 13 insertions, 0 deletions

diff --git a/clang/lib/Serialization/ASTWriter.cpp b/clang/lib/Serialization/ASTWriter.cpp
index 9682dfda121..297115c491c 100644
--- a/clang/lib/Serialization/ASTWriter.cpp
+++ b/clang/lib/Serialization/ASTWriter.cpp
@@ -223,6 +223,13 @@ void ASTTypeWriter::VisitDecltypeType(const DecltypeType *T) {
   Code = TYPE_DECLTYPE;
 }
 
+void ASTTypeWriter::VisitUnaryTransformType(const UnaryTransformType *T) {
+  Writer.AddTypeRef(T->getBaseType(), Record);
+  Writer.AddTypeRef(T->getUnderlyingType(), Record);
+  Record.push_back(T->getUTTKind());
+  Code = TYPE_UNARY_TRANSFORM;
+}
+
 void ASTTypeWriter::VisitAutoType(const AutoType *T) {
   Writer.AddTypeRef(T->getDeducedType(), Record);
   Code = TYPE_AUTO;
@@ -494,6 +501,12 @@ void TypeLocWriter::VisitTypeOfTypeLoc(TypeOfTypeLoc TL) {
 void TypeLocWriter::VisitDecltypeTypeLoc(DecltypeTypeLoc TL) {
   Writer.AddSourceLocation(TL.getNameLoc(), Record);
 }
+void TypeLocWriter::VisitUnaryTransformTypeLoc(UnaryTransformTypeLoc TL) {
+  Writer.AddSourceLocation(TL.getKWLoc(), Record);
+  Writer.AddSourceLocation(TL.getLParenLoc(), Record);
+  Writer.AddSourceLocation(TL.getRParenLoc(), Record);
+  Writer.AddTypeSourceInfo(TL.getUnderlyingTInfo(), Record);
+}
 void TypeLocWriter::VisitAutoTypeLoc(AutoTypeLoc TL) {
   Writer.AddSourceLocation(TL.getNameLoc(), Record);
 }