GYP generator for GN

tools/gn/gyp_target_writer.h

Index: tools/gn/gyp_target_writer.h
diff --git a/tools/gn/gyp_target_writer.h b/tools/gn/gyp_target_writer.h
new file mode 100644
index 0000000000000000000000000000000000000000..1496fbd97201a51ee910a64cc6bbc77929c1d2cb
--- /dev/null
+++ b/tools/gn/gyp_target_writer.h
@@ -0,0 +1,47 @@
+// Copyright (c) 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef TOOLS_GN_GYP_TARGET_WRITER_H_
+#define TOOLS_GN_GYP_TARGET_WRITER_H_
+
+#include <iosfwd>
+#include <vector>
+
+#include "base/basictypes.h"
+#include "tools/gn/gyp_helper.h"
+
+class Err;
+class Settings;
+class SourceFile;
+class Target;
+
+class GypTargetWriter {
+ public:
+  struct TargetPair {
+    TargetPair() : debug(NULL), release(NULL) {}
+    const Target* debug;
+    const Target* release;
+  };
+
+  GypTargetWriter(const Target* target, std::ostream& out);
+  virtual ~GypTargetWriter();
+
+  static void WriteFile(const SourceFile& gyp_file,
+                        const std::vector<TargetPair>& targets,
+                        Err* err);
+
+  virtual void Run() = 0;
+
+ protected:
+  const Settings* settings_;  // Non-owning.
+  const Target* target_;  // Non-owning.
+  std::ostream& out_;
+
+  GypHelper helper_;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(GypTargetWriter);
+};
+
+#endif  // TOOLS_GN_GYP_TARGET_WRITER_H_