1 files changed, 70 insertions, 0 deletions
diff --git a/Source/cmGeneratorExpressionNode.h b/Source/cmGeneratorExpressionNode.h
new file mode 100644
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--- /dev/null
+++ b/Source/cmGeneratorExpressionNode.h
@@ -0,0 +1,70 @@
+/*============================================================================
+  CMake - Cross Platform Makefile Generator
+  Copyright 2012 Stephen Kelly <steveire@gmail.com>
+
+  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 cmGeneratorExpressionNode_h
+#define cmGeneratorExpressionNode_h
+
+#include "cmMakefile.h"
+
+#include "cmGeneratorExpressionEvaluator.h"
+#include "cmGeneratorExpressionParser.h"
+#include "cmGeneratorExpressionDAGChecker.h"
+#include "cmGeneratorExpression.h"
+#include "cmLocalGenerator.h"
+#include "cmSourceFile.h"
+
+#include <cmsys/String.h>
+
+#include <assert.h>
+#include <errno.h>
+
+#include "cmListFileCache.h"
+
+//----------------------------------------------------------------------------
+struct cmGeneratorExpressionNode
+{
+  enum {
+    DynamicParameters = 0,
+    OneOrMoreParameters = -1,
+    OneOrZeroParameters = -2
+  };
+  virtual ~cmGeneratorExpressionNode() {}
+
+  virtual bool GeneratesContent() const { return true; }
+
+  virtual bool RequiresLiteralInput() const { return false; }
+
+  virtual bool AcceptsArbitraryContentParameter() const
+    { return false; }
+
+  virtual int NumExpectedParameters() const { return 1; }
+
+  virtual std::string Evaluate(const std::vector<std::string> &parameters,
+                               cmGeneratorExpressionContext *context,
+                               const GeneratorExpressionContent *content,
+                               cmGeneratorExpressionDAGChecker *dagChecker
+                              ) const = 0;
+
+  static std::string EvaluateDependentExpression(
+    std::string const& prop, cmMakefile *makefile,
+    cmGeneratorExpressionContext *context,
+    cmTarget const* headTarget, cmTarget const* currentTarget,
+    cmGeneratorExpressionDAGChecker *dagChecker);
+
+  static const cmGeneratorExpressionNode* GetNode(
+                                              const std::string &identifier);
+};
+
+//----------------------------------------------------------------------------
+void reportError(cmGeneratorExpressionContext *context,
+                 const std::string &expr, const std::string &result);
+
+#endif