Add support for building the new analyzer using gyp.

editor/tools/write_class_path_file.py

Index: editor/tools/write_class_path_file.py
===================================================================
--- editor/tools/write_class_path_file.py	(revision 0)
+++ editor/tools/write_class_path_file.py	(revision 0)
@@ -0,0 +1,30 @@
+#!/usr/bin/env python
+# Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
+# for details. All rights reserved. Use of this source code is governed by a
+# BSD-style license that can be found in the LICENSE file.
+#
+# Script to write the class path manifest for usage in a jar files
+#
+# Usage: write_to_file.py output_file directory_containing_jar_files prefix
+#
+# The output file will contain a string like:
+#   Class-Path: . prefix/guava-13.0.1.jar prefix/commons-lang3-3.1.jar prefix/args4j-2.0.12.jar prefix/json.jar
+
+import os
+import sys
+
+def main():
+  with open(sys.argv[1], 'w') as output:
+    print >> output, 'Class-Path:', '.',
+    prefix = ''
+    if len(sys.argv) == 4:
+      prefix = sys.argv[3]
+    for r,d,f in os.walk(sys.argv[2]):
+      for file in f:
+        if file.endswith('.jar'):
+          print >> output, prefix + '/' + file,
+    # Add new line
+    print >> output
+
+if __name__=='__main__':
+  main()