ENH: New format for warning and error messages

  - Add cmMakefile methods IssueError and IssueWarning
  - Maintain an explicit call stack in cmMakefile
  - Include context/call-stack info in messages
  - Nested errors now unwind the call stack
  - Use new mechanism for policy warnings and errors
  - Improve policy error message
  - Include cmExecutionStatus pointer in call stack
    so that errors deeper in the C++ stack under
    a command invocation will become errors for the
    command

1 files changed, 8 insertions, 1 deletions

diff --git a/Source/cmExecutionStatus.h b/Source/cmExecutionStatus.h
index 66a567e..bc1a579 100644
--- a/Source/cmExecutionStatus.h
+++ b/Source/cmExecutionStatus.h
@@ -42,12 +42,19 @@ public:
   { return this->BreakInvoked; }
             
   virtual void Clear()
-  { this->ReturnInvoked = false; this->BreakInvoked = false; }
+    {
+    this->ReturnInvoked = false;
+    this->BreakInvoked = false;
+    this->NestedError = false;
+    }
+  virtual void SetNestedError(bool val) { this->NestedError = val; }
+  virtual bool GetNestedError() { return this->NestedError; }
 
                                         
 protected:
   bool ReturnInvoked;
   bool BreakInvoked;
+  bool NestedError;
 };
 
 #endif