Added "isFunctionPointerType()" so that we can readily see if a DeclRefExpr

refers to a function.

llvm-svn: 41795

1 files changed, 8 insertions, 1 deletions

diff --git a/clang/include/clang/AST/Type.h b/clang/include/clang/AST/Type.h
index a047f32eba5..0a851693c61 100644
--- a/clang/include/clang/AST/Type.h
+++ b/clang/include/clang/AST/Type.h
@@ -265,11 +265,12 @@ public:
   // type, ignoring typedefs.
   bool isFunctionType() const;
   bool isPointerType() const;
+  bool isFunctionPointerType() const;
   bool isReferenceType() const;
   bool isArrayType() const;
   bool isRecordType() const;
   bool isStructureType() const;   
-  bool isUnionType() const;
+  bool isUnionType() const;  
   bool isVectorType() const; // GCC vector type.
   bool isOCUVectorType() const; // OCU vector type.
   
@@ -868,6 +869,12 @@ inline bool Type::isFunctionType() const {
 inline bool Type::isPointerType() const {
   return isa<PointerType>(CanonicalType);
 }
+inline bool Type::isFunctionPointerType() const {
+  if (const PointerType* T = dyn_cast<PointerType>(this))
+    return T->getPointeeType()->isFunctionType();
+  else
+    return false;
+}
 inline bool Type::isReferenceType() const {
   return isa<ReferenceType>(CanonicalType);
 }