Added utility static method to FullContextSourceLocation

for creating "invalid" location objects.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44946 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/clang/Basic/SourceLocation.h b/include/clang/Basic/SourceLocation.h
index 67fb4ac6b75f13e59a8a774f9365f6ede076bc86..f5b1d0452d6e6707ed8903ee8b4fa36170016143 100644 (file)
--- a/include/clang/Basic/SourceLocation.h
+++ b/include/clang/Basic/SourceLocation.h
@@ -214,6 +214,10 @@ public:
   explicit FullContextSourceLocation(SourceLocation loc, SourceManager& smgr) 
     : Loc(loc), SrcMgr(&smgr) {}
   
+  static FullContextSourceLocation CreateInvalidLocation() {
+    return FullContextSourceLocation(SourceLocation());
+  }
+  
   bool isValid() const { return Loc.isValid(); }
   
   SourceLocation getSourceLocation() const { return Loc; }