[cfe-commits] r39165 - /cfe/cfe/trunk/include/clang/AST/Type.h

[sabre at cs.uiuc.edu]

Author: sabre
Date: Wed Jul 11 11:40:20 2007
New Revision: 39165

URL: http://llvm.org/viewvc/llvm-project?rev=39165&view=rev
Log:
Expand TypeRef itf

Modified:
    cfe/cfe/trunk/include/clang/AST/Type.h

Modified: cfe/cfe/trunk/include/clang/AST/Type.h
URL: http://llvm.org/viewvc/llvm-project/cfe/cfe/trunk/include/clang/AST/Type.h?rev=39165&r1=39164&r2=39165&view=diff

==============================================================================
--- cfe/cfe/trunk/include/clang/AST/Type.h (original)
+++ cfe/cfe/trunk/include/clang/AST/Type.h Wed Jul 11 11:40:20 2007
@@ -42,7 +42,9 @@
     CVRFlags = Const|Volatile|Restrict
   };
   
-  TypeRef(Type *Ptr = 0, unsigned Quals = 0) {
+  TypeRef() : ThePtr(0) {}
+  
+  TypeRef(Type *Ptr, unsigned Quals = 0) {
     assert((Quals & ~CVRFlags) == 0 && "Invalid type qualifiers!");
     ThePtr = reinterpret_cast<uintptr_t>(Ptr);
     assert((ThePtr & CVRFlags) == 0 && "Type pointer not 8-byte aligned?");
@@ -56,6 +58,11 @@
   Type *operator->() const {
     return reinterpret_cast<Type*>(ThePtr & ~CVRFlags);
   }
+  
+  /// isNull - Return true if this TypeRef doesn't point to a type yet.
+  bool isNull() const {
+    return ThePtr == 0;
+  }
 
   bool isConstQualified() const {
     return ThePtr & Const;