1 files changed, 51 insertions, 0 deletions
diff --git a/Source/cmObject.h b/Source/cmObject.h
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index 000000000..1a39aa76a
--- /dev/null
+++ b/Source/cmObject.h
@@ -0,0 +1,51 @@
+/*============================================================================
+  CMake - Cross Platform Makefile Generator
+  Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
+
+  Distributed under the OSI-approved BSD License (the "License");
+  see accompanying file Copyright.txt for details.
+
+  This software is distributed WITHOUT ANY WARRANTY; without even the
+  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+  See the License for more information.
+============================================================================*/
+#ifndef cmObject_h
+#define cmObject_h
+
+#include "cmStandardIncludes.h"
+
+/** \class cmObject
+ * \brief Superclass for all commands and other classes in CMake.
+ *
+ * cmObject is the base class for all classes in CMake. It defines some
+ * methods such as GetNameOfClass, IsA, SafeDownCast.
+ */
+class cmObject
+{
+public:
+  /**
+   * Need virtual destructor to destroy real command type.
+   */
+  virtual ~cmObject() {}
+  
+  /**
+   * The class name of the command.
+   */
+  virtual const char* GetNameOfClass() = 0;
+
+  /**
+   * Returns true if this class is the given class, or a subclass of it.
+   */
+  static bool IsTypeOf(const char *type)
+    { return !strcmp("cmObject", type); }
+  
+  /**
+   * Returns true if this object is an instance of the given class or
+   * a subclass of it.
+   */
+  virtual bool IsA(const char *type)
+    { return cmObject::IsTypeOf(type); }
+};
+
+#endif
+