mojo: break struct headers into headers and source

mojo/public/bindings/mojo_idl.py

 #!/usr/bin/env python
 # Copyright 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.
 
 """The frontend for the Mojo bindings system."""
 
 
 import sys
 from optparse import OptionParser
 from parser import mojo_parser
 from parser import mojo_translate
 from generators import mojom_data
 from generators import mojom_cpp_generator
 
 
 def Main():
   parser = OptionParser(usage="usage: %prog [options] filename1 [filename2...]")
-  parser.add_option("-o", "--outdir", dest="outdir", default=".",
+  parser.add_option("-i", "--include_dir", dest="include_dir", default=".",
+                    help="specify directory for #includes")
+  parser.add_option("-o", "--output_dir", dest="output_dir", default=".",
                     help="specify output directory")
   (options, args) = parser.parse_args()
 
   if len(args) < 1:
     parser.print_help()
     sys.exit(1)
 
   for filename in args:
     # TODO(darin): There's clearly too many layers of translation here!  We can
     # at least avoid generating the serialized Mojom IR.
     tree = mojo_parser.Parse(filename)
     mojom = mojo_translate.Translate(tree)
     module = mojom_data.ModuleFromData(mojom)
-    cpp = mojom_cpp_generator.CPPGenerator(module)
-    cpp.GenerateFiles(options.outdir)
+    cpp = mojom_cpp_generator.CPPGenerator(
+        module, options.include_dir, options.output_dir)
+    cpp.GenerateFiles()
 
 
 if __name__ == '__main__':
   Main()