From 52f9637174242752721dfb322908adb40c8244c2 Mon Sep 17 00:00:00 2001
From: Ben Boeckel <ben.boeckel@kitware.com>
Date: Tue, 24 Aug 2010 14:40:51 -0400
Subject: Add method to get the local scope variables

---
 Source/cmDefinitions.cxx | 13 +++++++++++++
 Source/cmDefinitions.h   |  3 +++
 2 files changed, 16 insertions(+)

diff --git a/Source/cmDefinitions.cxx b/Source/cmDefinitions.cxx
index 2d40718..34ca68d 100644
--- a/Source/cmDefinitions.cxx
+++ b/Source/cmDefinitions.cxx
@@ -85,6 +85,19 @@ const char* cmDefinitions::Set(const char* key, const char* value)
 }
 
 //----------------------------------------------------------------------------
+std::set<cmStdString> cmDefinitions::LocalKeys() const
+{
+  std::set<cmStdString> keys;
+  // Consider local definitions.
+  for(MapType::const_iterator mi = this->Map.begin();
+      mi != this->Map.end(); ++mi)
+    {
+    keys.insert(mi->first);
+    }
+  return keys;
+}
+
+//----------------------------------------------------------------------------
 cmDefinitions cmDefinitions::Closure() const
 {
   return cmDefinitions(ClosureTag(), this);
diff --git a/Source/cmDefinitions.h b/Source/cmDefinitions.h
index e385e88..4834d84 100644
--- a/Source/cmDefinitions.h
+++ b/Source/cmDefinitions.h
@@ -40,6 +40,9 @@ public:
   /** Set (or unset if null) a value associated with a key.  */
   const char* Set(const char* key, const char* value);
 
+  /** Get the set of all local keys.  */
+  std::set<cmStdString> LocalKeys() const;
+
   /** Compute the closure of all defined keys with values.
       This flattens the scope.  The result has no parent.  */
   cmDefinitions Closure() const;
-- 
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