ENH: Refactor policy stack representation

This defines PolicyMap as a public member of cmPolicies.  Its previous
role as a policy stack entry is now called PolicyStackEntry and
represented as a class to which more information can be added later.

1 files changed, 4 insertions, 0 deletions

diff --git a/Source/cmPolicies.h b/Source/cmPolicies.h
index 02f7276..8dc7f31 100644
--- a/Source/cmPolicies.h
+++ b/Source/cmPolicies.h
@@ -89,6 +89,10 @@ public:
   ///! Get docs for policies
   void GetDocumentation(std::vector<cmDocumentationEntry>& v);
 
+  /** Represent a set of policy values.  */
+  typedef std::map<cmPolicies::PolicyID,
+                   cmPolicies::PolicyStatus> PolicyMap;
+
   private:
   // might have to make these internal for VS6 not sure yet
   std::map<PolicyID,cmPolicy *> Policies;