Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(114)

Unified Diff: tools/gn_helpers.py

Issue 690923003: Adds GN build files for building in GN based projects. (Closed) Base URL: http://dart.googlecode.com/svn/branches/bleeding_edge/dart/
Patch Set: Created 6 years, 1 month ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View side-by-side diff with in-line comments
Download patch
« no previous file with comments | « runtime/vm/BUILD.gn ('k') | tools/gypi_to_gn.py » ('j') | no next file with comments »
Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
Index: tools/gn_helpers.py
===================================================================
--- tools/gn_helpers.py (revision 0)
+++ tools/gn_helpers.py (revision 0)
@@ -0,0 +1,39 @@
+# 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.")
« no previous file with comments | « runtime/vm/BUILD.gn ('k') | tools/gypi_to_gn.py » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698