#!/usr/bin/python
# Copyright (c) 2014 The Native Client Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
#

import sys

class DriverState :
  def __init__(self, tool):
    self.config = {
      'compile' : False,
      'nostdinc' : False,
      'nostdlib' : False,
      'tool' : tool,
      'target' : tool.split('-') + '-unknown-nacl',
    }

    self.switches = {
      '-c' : ('compile', True),
      '-nostdinc' : ('nostdinc', True),
      '-nostdlib' : ('nostdlib', True),
      '-m32' : ('arch', 'i686-unknown-nacl'),
      '-m64' : ('arch', 'x86_64-unknown-nacl'),
      '-marm' : ('arch', 'arm-unknown-nacl'),
    }
    self.root = os.path.dirname(os.path.dirname(tool))

  def ParseArgs(self, argv):
    for arg in argv:
      if arg in self.switches:
        xform = list(self.switches[arg])
        if len > 1:
          key = xform[0]
          val = xform[1]
        else:
          key = arg
          val = xform[0]
        data[key] = val

  def GetIncludes(self):
    includes = [
    return includes

  def BuildCompileCommand(self, args):
    out_args = [
      '-target=%s' % self.config['arch'],
      '-integrated-as',
      '-nostdinc',
      '-nostdlib'
    ]
    if not self.config['nostdinc']:
      out_args.append('-I' + os.path.join(self.root, 'include'))


TARGET_MAP = {
  'x86_64-nacl' : 'x86_64-unknown-nacl',
  'i686-nacl' : 'i686-unknown-nacl',
  'arm-nacl' : 'arm-unknown-nacl',
}


def main(argv):
  DriverState state(argv)


if __name__ == '__main__':
  sys.exit(main(sys.argv))