# This Source Code Form is subject to the terms of the Mozilla Public

# License, v. 2.0. If a copy of the MPL was not distributed with this

# file, You can obtain one at http://mozilla.org/MPL/2.0/.

import imp

import os

import shlex

import sys

try:

    from StringIO import StringIO

except ImportError:

    from io import StringIO

old_bytecode = sys.dont_write_bytecode

sys.dont_write_bytecode = True

path = os.path.join(os.path.dirname(__file__), 'mach')

if not os.path.exists(path):

    path = os.path.join(os.path.dirname(__file__), 'config.status')

    config = imp.load_module('_buildconfig', open(path), path, ('', 'r', imp.PY_SOURCE))

    path = os.path.join(config.topsrcdir, 'mach')

mach_module = imp.load_module('_mach', open(path), path, ('', 'r', imp.PY_SOURCE))

sys.dont_write_bytecode = old_bytecode

def FlagsForFile(filename):

    mach = mach_module.get_mach()

    out = StringIO()

    # Mach calls sys.stdout.fileno(), so we need to fake it when capturing it.

    # Returning an invalid file descriptor does the trick.

    out.fileno = lambda: -1

    out.encoding = None

    mach.run(['compileflags', filename], stdout=out, stderr=out)

    flag_list = shlex.split(out.getvalue())

    # This flag is added by Fennec for android build and causes ycmd to fail to parse the file.

    # Removing this flag is a workaround until ycmd starts to handle this flag properly.

    # https://github.com/Valloric/YouCompleteMe/issues/1490

    final_flags = [x for x in flag_list if not x.startswith('-march=armv')]

    return {

        'flags': final_flags,

        'do_cache': True

    }