mirror of
https://github.com/dart-lang/sdk
synced 2024-11-02 10:49:00 +00:00
b4d3762221
Review URL: https://codereview.chromium.org//690923003 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@41673 260f80e4-7a28-3924-810f-c04153c831b5
39 lines
1.3 KiB
Python
39 lines
1.3 KiB
Python
# Copyright 2014 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.
|
|
|
|
"""Helper functions useful when writing scripts that are run from GN's
|
|
exec_script function."""
|
|
|
|
class GNException(Exception):
|
|
pass
|
|
|
|
|
|
def ToGNString(value, allow_dicts = True):
|
|
"""Prints the given value to stdout.
|
|
|
|
allow_dicts indicates if this function will allow converting dictionaries
|
|
to GN scopes. This is only possible at the top level, you can't nest a
|
|
GN scope in a list, so this should be set to False for recursive calls."""
|
|
if isinstance(value, str):
|
|
if value.find('\n') >= 0:
|
|
raise GNException("Trying to print a string with a newline in it.")
|
|
return '"' + value.replace('"', '\\"') + '"'
|
|
|
|
if isinstance(value, list):
|
|
return '[ %s ]' % ', '.join(ToGNString(v) for v in value)
|
|
|
|
if isinstance(value, dict):
|
|
if not allow_dicts:
|
|
raise GNException("Attempting to recursively print a dictionary.")
|
|
result = ""
|
|
for key in value:
|
|
if not isinstance(key, str):
|
|
raise GNException("Dictionary key is not a string.")
|
|
result += "%s = %s\n" % (key, ToGNString(value[key], False))
|
|
return result
|
|
|
|
if isinstance(value, int):
|
|
return str(value)
|
|
|
|
raise GNException("Unsupported type when printing to GN.")
|