[cfe-commits] r96471 - in /cfe/trunk: include/clang/Analysis/AnalysisContext.h lib/Analysis/AnalysisContext.cpp

[Zhongxing Xu]

Author: zhongxingxu
Date: Wed Feb 17 02:45:06 2010
New Revision: 96471

URL: http://llvm.org/viewvc/llvm-project?rev=96471&view=rev
Log:
Add a utility method.

Modified:
    cfe/trunk/include/clang/Analysis/AnalysisContext.h
    cfe/trunk/lib/Analysis/AnalysisContext.cpp

Modified: cfe/trunk/include/clang/Analysis/AnalysisContext.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Analysis/AnalysisContext.h?rev=96471&r1=96470&r2=96471&view=diff

==============================================================================
--- cfe/trunk/include/clang/Analysis/AnalysisContext.h (original)
+++ cfe/trunk/include/clang/Analysis/AnalysisContext.h Wed Feb 17 02:45:06 2010
@@ -110,6 +110,8 @@
 
   const LocationContext *getParent() const { return Parent; }
 
+  bool isParentOf(const LocationContext *LC) const;
+
   const Decl *getDecl() const { return getAnalysisContext()->getDecl(); }
 
   CFG *getCFG() const { return getAnalysisContext()->getCFG(); }

Modified: cfe/trunk/lib/Analysis/AnalysisContext.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Analysis/AnalysisContext.cpp?rev=96471&r1=96470&r2=96471&view=diff

==============================================================================
--- cfe/trunk/lib/Analysis/AnalysisContext.cpp (original)
+++ cfe/trunk/lib/Analysis/AnalysisContext.cpp Wed Feb 17 02:45:06 2010
@@ -186,6 +186,18 @@
   return NULL;
 }
 
+bool LocationContext::isParentOf(const LocationContext *LC) const {
+  do {
+    const LocationContext *Parent = LC->getParent();
+    if (Parent == this)
+      return true;
+    else
+      LC = Parent;
+  } while (LC);
+
+  return false;
+}
+
 //===----------------------------------------------------------------------===//
 // Lazily generated map to query the external variables referenced by a Block.
 //===----------------------------------------------------------------------===//