[libclang] Introduce clang_Type_getClassType which returns the class type of a member pointer type.

Patch by Che-Liang Chiou!

llvm-svn: 191906

2 files changed, 17 insertions, 0 deletions

diff --git a/clang/tools/libclang/CXType.cpp b/clang/tools/libclang/CXType.cpp
index a7d6386b..9233e97 100644
--- a/clang/tools/libclang/CXType.cpp
+++ b/clang/tools/libclang/CXType.cpp
@@ -89,6 +89,7 @@ static CXTypeKind GetTypeKind(QualType T) {
     TKCASE(VariableArray);
     TKCASE(DependentSizedArray);
     TKCASE(Vector);
+    TKCASE(MemberPointer);
     default:
       return CXType_Unexposed;
   }
@@ -365,6 +366,9 @@ CXType clang_getPointeeType(CXType CT) {
     case Type::ObjCObjectPointer:
       T = cast<ObjCObjectPointerType>(TP)->getPointeeType();
       break;
+    case Type::MemberPointer:
+      T = cast<MemberPointerType>(TP)->getPointeeType();
+      break;
     default:
       T = QualType();
       break;
@@ -478,6 +482,7 @@ CXString clang_getTypeKindSpelling(enum CXTypeKind K) {
     TKIND(VariableArray);
     TKIND(DependentSizedArray);
     TKIND(Vector);
+    TKIND(MemberPointer);
   }
 #undef TKIND
   return cxstring::createRef(s);
@@ -707,6 +712,17 @@ long long clang_Type_getAlignOf(CXType T) {
   return Ctx.getTypeAlignInChars(QT).getQuantity();
 }
 
+CXType clang_Type_getClassType(CXType CT) {
+  QualType ET = QualType();
+  QualType T = GetQualType(CT);
+  const Type *TP = T.getTypePtrOrNull();
+
+  if (TP && TP->getTypeClass() == Type::MemberPointer) {
+    ET = QualType(cast<MemberPointerType> (TP)->getClass(), 0);
+  }
+  return MakeCXType(ET, GetTU(CT));
+}
+
 long long clang_Type_getSizeOf(CXType T) {
   if (T.kind == CXType_Invalid)
     return CXTypeLayoutError_Invalid;
diff --git a/clang/tools/libclang/libclang.exports b/clang/tools/libclang/libclang.exports
index 92b060a..6f6e392 100644
--- a/clang/tools/libclang/libclang.exports
+++ b/clang/tools/libclang/libclang.exports
@@ -61,6 +61,7 @@ clang_TParamCommandComment_isParamPositionValid
 clang_TParamCommandComment_getDepth
 clang_TParamCommandComment_getIndex
 clang_Type_getAlignOf
+clang_Type_getClassType
 clang_Type_getSizeOf
 clang_Type_getOffsetOf
 clang_VerbatimBlockLineComment_getText