blob: 5d908d1d1f79aeb37168913f13ffd07b24130bce [file] [log] [blame] [edit]
#!/usr/bin/env python
# Copyright (c) 2011 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.
# based on an almost identical script by: jyrki@google.com (Jyrki Alakuijala)
"""Prints out include dependencies in chrome.
Since it ignores defines, it gives just a rough estimation of file size.
Usage:
tools/include_tracer.py chrome/browser/ui/browser.h
"""
import os
import sys
# Created by copying the command line for prerender_browsertest.cc, replacing
# spaces with newlines, and dropping everything except -F and -I switches.
# TODO(port): Add windows, linux directories.
INCLUDE_PATHS = [
'',
'gpu',
'skia/config',
'skia/ext',
'testing/gmock/include',
'testing/gtest/include',
'third_party/GTM',
'third_party/WebKit/Source',
'third_party/WebKit/Source/JavaScriptCore',
'third_party/WebKit/Source/JavaScriptCore/wtf',
'third_party/WebKit/Source/ThirdParty/glu',
'third_party/WebKit/Source/WebCore',
'third_party/WebKit/Source/WebCore/accessibility',
'third_party/WebKit/Source/WebCore/accessibility/chromium',
'third_party/WebKit/Source/WebCore/bindings',
'third_party/WebKit/Source/WebCore/bindings/generic',
'third_party/WebKit/Source/WebCore/bindings/v8',
'third_party/WebKit/Source/WebCore/bindings/v8/custom',
'third_party/WebKit/Source/WebCore/bindings/v8/specialization',
'third_party/WebKit/Source/WebCore/bridge',
'third_party/WebKit/Source/WebCore/bridge/jni',
'third_party/WebKit/Source/WebCore/bridge/jni/v8',
'third_party/WebKit/Source/WebCore/css',
'third_party/WebKit/Source/WebCore/dom',
'third_party/WebKit/Source/WebCore/dom/default',
'third_party/WebKit/Source/WebCore/editing',
'third_party/WebKit/Source/WebCore/fileapi',
'third_party/WebKit/Source/WebCore/history',
'third_party/WebKit/Source/WebCore/html',
'third_party/WebKit/Source/WebCore/html/canvas',
'third_party/WebKit/Source/WebCore/html/parser',
'third_party/WebKit/Source/WebCore/html/shadow',
'third_party/WebKit/Source/WebCore/inspector',
'third_party/WebKit/Source/WebCore/loader',
'third_party/WebKit/Source/WebCore/loader/appcache',
'third_party/WebKit/Source/WebCore/loader/archive',
'third_party/WebKit/Source/WebCore/loader/cache',
'third_party/WebKit/Source/WebCore/loader/icon',
'third_party/WebKit/Source/WebCore/mathml',
'third_party/WebKit/Source/WebCore/notifications',
'third_party/WebKit/Source/WebCore/page',
'third_party/WebKit/Source/WebCore/page/animation',
'third_party/WebKit/Source/WebCore/page/chromium',
'third_party/WebKit/Source/WebCore/platform',
'third_party/WebKit/Source/WebCore/platform/animation',
'third_party/WebKit/Source/WebCore/platform/audio',
'third_party/WebKit/Source/WebCore/platform/audio/chromium',
'third_party/WebKit/Source/WebCore/platform/audio/mac',
'third_party/WebKit/Source/WebCore/platform/chromium',
'third_party/WebKit/Source/WebCore/platform/cocoa',
'third_party/WebKit/Source/WebCore/platform/graphics',
'third_party/WebKit/Source/WebCore/platform/graphics/cg',
'third_party/WebKit/Source/WebCore/platform/graphics/chromium',
'third_party/WebKit/Source/WebCore/platform/graphics/cocoa',
'third_party/WebKit/Source/WebCore/platform/graphics/filters',
'third_party/WebKit/Source/WebCore/platform/graphics/gpu',
'third_party/WebKit/Source/WebCore/platform/graphics/mac',
'third_party/WebKit/Source/WebCore/platform/graphics/opentype',
'third_party/WebKit/Source/WebCore/platform/graphics/skia',
'third_party/WebKit/Source/WebCore/platform/graphics/transforms',
'third_party/WebKit/Source/WebCore/platform/image-decoders',
'third_party/WebKit/Source/WebCore/platform/image-decoders/bmp',
'third_party/WebKit/Source/WebCore/platform/image-decoders/gif',
'third_party/WebKit/Source/WebCore/platform/image-decoders/ico',
'third_party/WebKit/Source/WebCore/platform/image-decoders/jpeg',
'third_party/WebKit/Source/WebCore/platform/image-decoders/png',
'third_party/WebKit/Source/WebCore/platform/image-decoders/skia',
'third_party/WebKit/Source/WebCore/platform/image-decoders/webp',
'third_party/WebKit/Source/WebCore/platform/image-decoders/xbm',
'third_party/WebKit/Source/WebCore/platform/image-encoders/skia',
'third_party/WebKit/Source/WebCore/platform/mac',
'third_party/WebKit/Source/WebCore/platform/mock',
'third_party/WebKit/Source/WebCore/platform/network',
'third_party/WebKit/Source/WebCore/platform/network/chromium',
'third_party/WebKit/Source/WebCore/platform/sql',
'third_party/WebKit/Source/WebCore/platform/text',
'third_party/WebKit/Source/WebCore/platform/text/mac',
'third_party/WebKit/Source/WebCore/platform/text/transcoder',
'third_party/WebKit/Source/WebCore/plugins',
'third_party/WebKit/Source/WebCore/plugins/chromium',
'third_party/WebKit/Source/WebCore/rendering',
'third_party/WebKit/Source/WebCore/rendering/style',
'third_party/WebKit/Source/WebCore/rendering/svg',
'third_party/WebKit/Source/WebCore/storage',
'third_party/WebKit/Source/WebCore/storage/chromium',
'third_party/WebKit/Source/WebCore/svg',
'third_party/WebKit/Source/WebCore/svg/animation',
'third_party/WebKit/Source/WebCore/svg/graphics',
'third_party/WebKit/Source/WebCore/svg/graphics/filters',
'third_party/WebKit/Source/WebCore/svg/properties',
'third_party/WebKit/Source/WebCore/webaudio',
'third_party/WebKit/Source/WebCore/websockets',
'third_party/WebKit/Source/WebCore/workers',
'third_party/WebKit/Source/WebCore/xml',
'third_party/WebKit/Source/WebKit/chromium/public',
'third_party/WebKit/Source/WebKit/chromium/src',
'third_party/WebKit/Source/WebKit/mac/WebCoreSupport',
'third_party/WebKit/WebKitLibraries',
'third_party/cld',
'third_party/icu/public/common',
'third_party/icu/public/i18n',
'third_party/npapi',
'third_party/npapi/bindings',
'third_party/protobuf',
'third_party/protobuf/src',
'third_party/skia/gpu/include',
'third_party/skia/include/config',
'third_party/skia/include/core',
'third_party/skia/include/effects',
'third_party/skia/include/gpu',
'third_party/skia/include/pdf',
'third_party/skia/include/ports',
'v8/include',
'xcodebuild/Debug/include',
'xcodebuild/DerivedSources/Debug/chrome',
'xcodebuild/DerivedSources/Debug/policy',
'xcodebuild/DerivedSources/Debug/protoc_out',
'xcodebuild/DerivedSources/Debug/webkit',
'xcodebuild/DerivedSources/Debug/webkit/bindings',
]
def Walk(seen, filename, parent, indent):
"""Returns the size of |filename| plus the size of all files included by
|filename| and prints the include tree of |filename| to stdout. Every file
is visited at most once.
"""
total_bytes = 0
# .proto(devel) filename translation
if filename.endswith('.pb.h'):
basename = filename[:-5]
if os.path.exists(basename + '.proto'):
filename = basename + '.proto'
else:
print 'could not find ', filename
# Show and count files only once.
if filename in seen:
return total_bytes
seen.add(filename)
# Display the paths.
print ' ' * indent + filename
# Skip system includes.
if filename[0] == '<':
return total_bytes
# Find file in all include paths.
resolved_filename = filename
for root in INCLUDE_PATHS + [os.path.dirname(parent)]:
if os.path.exists(os.path.join(root, filename)):
resolved_filename = os.path.join(root, filename)
break
# Recurse.
if os.path.exists(resolved_filename):
lines = open(resolved_filename).readlines()
else:
print ' ' * (indent + 2) + "-- not found"
lines = []
for line in lines:
line = line.strip()
if line.startswith('#include "'):
total_bytes += Walk(
seen, line.split('"')[1], resolved_filename, indent + 2)
elif line.startswith('#include '):
include = '<' + line.split('<')[1].split('>')[0] + '>'
total_bytes += Walk(
seen, include, resolved_filename, indent + 2)
elif line.startswith('import '):
total_bytes += Walk(
seen, line.split('"')[1], resolved_filename, indent + 2)
return total_bytes + len("".join(lines))
def main():
bytes = Walk(set(), sys.argv[1], '', 0)
print
print float(bytes) / (1 << 20), "megabytes of chrome source"
if __name__ == '__main__':
sys.exit(main())