2 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
3 # Use of this source code is governed by a BSD-style license that can be
4 # found in the LICENSE file.
6 """Without any args, this simply loads the IDs out of a bunch of the Chrome GRD
7 files, and then checks the subset of the code that loads the strings to try
8 and figure out what isn't in use any more.
9 You can give paths to GRD files and source directories to control what is
18 # Extra messages along the way
19 # 1 - Print ids that are found in sources but not in the found id set
20 # 2 - Files that aren't processes (don't match the source name regex)
24 class GrdIDExtractor(xml.sax.handler.ContentHandler):
25 """Extracts the IDs from messages in GRIT files"""
29 def startElement(self, name, attrs):
31 self.id_set_.add(attrs['name'])
34 """Return all the IDs found"""
35 return self.id_set_.copy()
38 def CheckForUnusedGrdIDsInSources(grd_files, src_dirs):
39 """Will collect the message ids out of the given GRD files and then scan
40 the source directories to try and figure out what ids are not currently
41 being used by any source.
44 A list of GRD files to collect the ids from.
46 A list of directories to walk looking for source files.
48 # Collect all the ids into a large map
52 handler = GrdIDExtractor()
53 xml.sax.parse(y, handler)
54 files_ids = handler.allIDs()
55 file_id_map[y] = files_ids
59 # The regex that will be used to check sources
60 id_regex = re.compile('IDS_[A-Z0-9_]+')
62 # Make sure the regex matches every id found.
65 match = id_regex.search(x)
67 print 'ERROR: "%s" did not match our regex' % (x)
69 if not match.group(0) is x:
70 print 'ERROR: "%s" did not fully match our regex' % (x)
75 # The regex for deciding what is a source file
76 src_regex = re.compile('\.(([chm])|(mm)|(cc)|(cp)|(cpp)|(xib)|(py))$')
78 ids_left = all_ids.copy()
81 for src_dir in src_dirs:
82 for root, dirs, files in os.walk(src_dir):
83 # Remove svn directories from recursion
87 if src_regex.search(file.lower()):
88 full_path = os.path.join(root, file)
89 src_file_contents = open(full_path).read()
90 for match in sorted(set(id_regex.findall(src_file_contents))):
92 ids_left.remove(match)
94 if not match in all_ids:
95 print '%s had "%s", which was not in the found IDs' % \
98 full_path = os.path.join(root, file)
99 print 'Skipping %s.' % (full_path)
102 if len(ids_left) > 0:
103 print 'The following ids are in GRD files, but *appear* to be unused:'
104 for file_path, file_ids in file_id_map.iteritems():
105 missing = ids_left.intersection(file_ids)
107 print ' %s:' % (file_path)
108 print '\n'.join(' %s' % (x) for x in sorted(missing))
114 # script lives in src/tools
115 tools_dir = os.path.dirname(os.path.abspath(sys.argv[0]))
116 src_dir = os.path.dirname(tools_dir)
118 # Collect the args into the right buckets
121 for arg in sys.argv[1:]:
122 if arg.lower().endswith('.grd') or arg.lower().endswith('.grdp'):
123 grd_files.append(arg)
127 # If no GRD files were given, default them:
128 if len(grd_files) == 0:
129 ash_base_dir = os.path.join(src_dir, 'ash')
130 ash_components_dir = os.path.join(ash_base_dir, 'components')
131 chrome_dir = os.path.join(src_dir, 'chrome')
132 chrome_app_dir = os.path.join(chrome_dir, 'app')
133 chrome_app_res_dir = os.path.join(chrome_app_dir, 'resources')
134 device_base_dir = os.path.join(src_dir, 'device')
135 ui_dir = os.path.join(src_dir, 'ui')
136 ui_strings_dir = os.path.join(ui_dir, 'strings')
137 ui_chromeos_dir = os.path.join(ui_dir, 'chromeos')
139 os.path.join(ash_base_dir, 'ash_strings.grd'),
140 os.path.join(ash_base_dir, 'resources', 'ash_resources.grd'),
141 os.path.join(ash_components_dir, 'ash_components_strings.grd'),
142 os.path.join(ash_components_dir, 'resources',
143 'ash_components_resources.grd'),
144 os.path.join(chrome_app_dir, 'chromium_strings.grd'),
145 os.path.join(chrome_app_dir, 'generated_resources.grd'),
146 os.path.join(chrome_app_dir, 'google_chrome_strings.grd'),
147 os.path.join(chrome_app_res_dir, 'locale_settings.grd'),
148 os.path.join(chrome_app_res_dir, 'locale_settings_chromiumos.grd'),
149 os.path.join(chrome_app_res_dir, 'locale_settings_google_chromeos.grd'),
150 os.path.join(chrome_app_res_dir, 'locale_settings_linux.grd'),
151 os.path.join(chrome_app_res_dir, 'locale_settings_mac.grd'),
152 os.path.join(chrome_app_res_dir, 'locale_settings_win.grd'),
153 os.path.join(chrome_app_dir, 'theme', 'theme_resources.grd'),
154 os.path.join(chrome_dir, 'browser', 'browser_resources.grd'),
155 os.path.join(chrome_dir, 'common', 'common_resources.grd'),
156 os.path.join(chrome_dir, 'renderer', 'resources',
157 'renderer_resources.grd'),
158 os.path.join(device_base_dir, 'bluetooth', 'bluetooth_strings.grd'),
159 os.path.join(src_dir, 'extensions', 'strings', 'extensions_strings.grd'),
160 os.path.join(src_dir, 'ui', 'resources', 'ui_resources.grd'),
161 os.path.join(src_dir, 'ui', 'webui', 'resources', 'webui_resources.grd'),
162 os.path.join(ui_strings_dir, 'app_locale_settings.grd'),
163 os.path.join(ui_strings_dir, 'ui_strings.grd'),
164 os.path.join(ui_chromeos_dir, 'ui_chromeos_strings.grd'),
167 # If no source directories were given, default them:
168 if len(src_dirs) == 0:
170 os.path.join(src_dir, 'app'),
171 os.path.join(src_dir, 'ash'),
172 os.path.join(src_dir, 'chrome'),
173 os.path.join(src_dir, 'components'),
174 os.path.join(src_dir, 'content'),
175 os.path.join(src_dir, 'device'),
176 os.path.join(src_dir, 'extensions'),
177 os.path.join(src_dir, 'ui'),
178 # nsNSSCertHelper.cpp has a bunch of ids
179 os.path.join(src_dir, 'third_party', 'mozilla_security_manager'),
180 os.path.join(chrome_dir, 'installer'),
183 return CheckForUnusedGrdIDsInSources(grd_files, src_dirs)
186 if __name__ == '__main__':