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include_tracer.py
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include_tracer.py
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#!/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/blink/renderer',
'third_party/blink/renderer/core',
'third_party/blink/renderer/core/accessibility',
'third_party/blink/renderer/core/accessibility/chromium',
'third_party/blink/renderer/core/bindings',
'third_party/blink/renderer/core/bindings/generic',
'third_party/blink/renderer/core/bindings/v8',
'third_party/blink/renderer/core/bindings/v8/custom',
'third_party/blink/renderer/core/bindings/v8/specialization',
'third_party/blink/renderer/core/bridge',
'third_party/blink/renderer/core/bridge/jni',
'third_party/blink/renderer/core/bridge/jni/v8',
'third_party/blink/renderer/core/css',
'third_party/blink/renderer/core/dom',
'third_party/blink/renderer/core/dom/default',
'third_party/blink/renderer/core/editing',
'third_party/blink/renderer/core/fileapi',
'third_party/blink/renderer/core/history',
'third_party/blink/renderer/core/html',
'third_party/blink/renderer/core/html/canvas',
'third_party/blink/renderer/core/html/parser',
'third_party/blink/renderer/core/html/shadow',
'third_party/blink/renderer/core/inspector',
'third_party/blink/renderer/core/loader',
'third_party/blink/renderer/core/loader/appcache',
'third_party/blink/renderer/core/loader/archive',
'third_party/blink/renderer/core/loader/cache',
'third_party/blink/renderer/core/loader/icon',
'third_party/blink/renderer/core/mathml',
'third_party/blink/renderer/core/notifications',
'third_party/blink/renderer/core/page',
'third_party/blink/renderer/core/page/animation',
'third_party/blink/renderer/core/page/chromium',
'third_party/blink/renderer/core/platform',
'third_party/blink/renderer/core/platform/animation',
'third_party/blink/renderer/core/platform/audio',
'third_party/blink/renderer/core/platform/audio/chromium',
'third_party/blink/renderer/core/platform/audio/mac',
'third_party/blink/renderer/core/platform/chromium',
'third_party/blink/renderer/core/platform/cocoa',
'third_party/blink/renderer/core/platform/graphics',
'third_party/blink/renderer/core/platform/graphics/cg',
'third_party/blink/renderer/core/platform/graphics/chromium',
'third_party/blink/renderer/core/platform/graphics/cocoa',
'third_party/blink/renderer/core/platform/graphics/filters',
'third_party/blink/renderer/core/platform/graphics/gpu',
'third_party/blink/renderer/core/platform/graphics/mac',
'third_party/blink/renderer/core/platform/graphics/opentype',
'third_party/blink/renderer/core/platform/graphics/skia',
'third_party/blink/renderer/core/platform/graphics/transforms',
'third_party/blink/renderer/core/platform/image-decoders',
'third_party/blink/renderer/core/platform/image-decoders/bmp',
'third_party/blink/renderer/core/platform/image-decoders/gif',
'third_party/blink/renderer/core/platform/image-decoders/ico',
'third_party/blink/renderer/core/platform/image-decoders/jpeg',
'third_party/blink/renderer/core/platform/image-decoders/png',
'third_party/blink/renderer/core/platform/image-decoders/skia',
'third_party/blink/renderer/core/platform/image-decoders/webp',
'third_party/blink/renderer/core/platform/image-decoders/xbm',
'third_party/blink/renderer/core/platform/image-encoders/skia',
'third_party/blink/renderer/core/platform/mac',
'third_party/blink/renderer/core/platform/mock',
'third_party/blink/renderer/core/platform/network',
'third_party/blink/renderer/core/platform/network/chromium',
'third_party/blink/renderer/core/platform/sql',
'third_party/blink/renderer/core/platform/text',
'third_party/blink/renderer/core/platform/text/mac',
'third_party/blink/renderer/core/platform/text/transcoder',
'third_party/blink/renderer/core/plugins',
'third_party/blink/renderer/core/plugins/chromium',
'third_party/blink/renderer/core/rendering',
'third_party/blink/renderer/core/rendering/style',
'third_party/blink/renderer/core/rendering/svg',
'third_party/blink/renderer/core/storage',
'third_party/blink/renderer/core/storage/chromium',
'third_party/blink/renderer/core/svg',
'third_party/blink/renderer/core/svg/animation',
'third_party/blink/renderer/core/svg/graphics',
'third_party/blink/renderer/core/svg/graphics/filters',
'third_party/blink/renderer/core/svg/properties',
'third_party/blink/renderer/core/webaudio',
'third_party/blink/renderer/core/websockets',
'third_party/blink/renderer/core/workers',
'third_party/blink/renderer/core/xml',
'third_party/blink/renderer/public',
'third_party/blink/renderer/web',
'third_party/blink/renderer/wtf',
'third_party/google_toolbox_for_mac/src',
'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())