1#!/usr/bin/env python 2# Copyright (c) 2011 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. 5# based on an almost identical script by: jyrki@google.com (Jyrki Alakuijala) 6 7"""Prints out include dependencies in chrome. 8 9Since it ignores defines, it gives just a rough estimation of file size. 10 11Usage: 12 tools/include_tracer.py chrome/browser/ui/browser.h 13""" 14 15import os 16import sys 17 18# Created by copying the command line for prerender_browsertest.cc, replacing 19# spaces with newlines, and dropping everything except -F and -I switches. 20# TODO(port): Add windows, linux directories. 21INCLUDE_PATHS = [ 22 '', 23 'gpu', 24 'skia/config', 25 'skia/ext', 26 'testing/gmock/include', 27 'testing/gtest/include', 28 'third_party/WebKit/Source', 29 'third_party/WebKit/Source/core', 30 'third_party/WebKit/Source/core/accessibility', 31 'third_party/WebKit/Source/core/accessibility/chromium', 32 'third_party/WebKit/Source/core/bindings', 33 'third_party/WebKit/Source/core/bindings/generic', 34 'third_party/WebKit/Source/core/bindings/v8', 35 'third_party/WebKit/Source/core/bindings/v8/custom', 36 'third_party/WebKit/Source/core/bindings/v8/specialization', 37 'third_party/WebKit/Source/core/bridge', 38 'third_party/WebKit/Source/core/bridge/jni', 39 'third_party/WebKit/Source/core/bridge/jni/v8', 40 'third_party/WebKit/Source/core/css', 41 'third_party/WebKit/Source/core/dom', 42 'third_party/WebKit/Source/core/dom/default', 43 'third_party/WebKit/Source/core/editing', 44 'third_party/WebKit/Source/core/fileapi', 45 'third_party/WebKit/Source/core/history', 46 'third_party/WebKit/Source/core/html', 47 'third_party/WebKit/Source/core/html/canvas', 48 'third_party/WebKit/Source/core/html/parser', 49 'third_party/WebKit/Source/core/html/shadow', 50 'third_party/WebKit/Source/core/inspector', 51 'third_party/WebKit/Source/core/loader', 52 'third_party/WebKit/Source/core/loader/appcache', 53 'third_party/WebKit/Source/core/loader/archive', 54 'third_party/WebKit/Source/core/loader/cache', 55 'third_party/WebKit/Source/core/loader/icon', 56 'third_party/WebKit/Source/core/mathml', 57 'third_party/WebKit/Source/core/notifications', 58 'third_party/WebKit/Source/core/page', 59 'third_party/WebKit/Source/core/page/animation', 60 'third_party/WebKit/Source/core/page/chromium', 61 'third_party/WebKit/Source/core/platform', 62 'third_party/WebKit/Source/core/platform/animation', 63 'third_party/WebKit/Source/core/platform/audio', 64 'third_party/WebKit/Source/core/platform/audio/chromium', 65 'third_party/WebKit/Source/core/platform/audio/mac', 66 'third_party/WebKit/Source/core/platform/chromium', 67 'third_party/WebKit/Source/core/platform/cocoa', 68 'third_party/WebKit/Source/core/platform/graphics', 69 'third_party/WebKit/Source/core/platform/graphics/cg', 70 'third_party/WebKit/Source/core/platform/graphics/chromium', 71 'third_party/WebKit/Source/core/platform/graphics/cocoa', 72 'third_party/WebKit/Source/core/platform/graphics/filters', 73 'third_party/WebKit/Source/core/platform/graphics/gpu', 74 'third_party/WebKit/Source/core/platform/graphics/mac', 75 'third_party/WebKit/Source/core/platform/graphics/opentype', 76 'third_party/WebKit/Source/core/platform/graphics/skia', 77 'third_party/WebKit/Source/core/platform/graphics/transforms', 78 'third_party/WebKit/Source/core/platform/image-decoders', 79 'third_party/WebKit/Source/core/platform/image-decoders/bmp', 80 'third_party/WebKit/Source/core/platform/image-decoders/gif', 81 'third_party/WebKit/Source/core/platform/image-decoders/ico', 82 'third_party/WebKit/Source/core/platform/image-decoders/jpeg', 83 'third_party/WebKit/Source/core/platform/image-decoders/png', 84 'third_party/WebKit/Source/core/platform/image-decoders/skia', 85 'third_party/WebKit/Source/core/platform/image-decoders/webp', 86 'third_party/WebKit/Source/core/platform/image-decoders/xbm', 87 'third_party/WebKit/Source/core/platform/image-encoders/skia', 88 'third_party/WebKit/Source/core/platform/mac', 89 'third_party/WebKit/Source/core/platform/mock', 90 'third_party/WebKit/Source/core/platform/network', 91 'third_party/WebKit/Source/core/platform/network/chromium', 92 'third_party/WebKit/Source/core/platform/sql', 93 'third_party/WebKit/Source/core/platform/text', 94 'third_party/WebKit/Source/core/platform/text/mac', 95 'third_party/WebKit/Source/core/platform/text/transcoder', 96 'third_party/WebKit/Source/core/plugins', 97 'third_party/WebKit/Source/core/plugins/chromium', 98 'third_party/WebKit/Source/core/rendering', 99 'third_party/WebKit/Source/core/rendering/style', 100 'third_party/WebKit/Source/core/rendering/svg', 101 'third_party/WebKit/Source/core/storage', 102 'third_party/WebKit/Source/core/storage/chromium', 103 'third_party/WebKit/Source/core/svg', 104 'third_party/WebKit/Source/core/svg/animation', 105 'third_party/WebKit/Source/core/svg/graphics', 106 'third_party/WebKit/Source/core/svg/graphics/filters', 107 'third_party/WebKit/Source/core/svg/properties', 108 'third_party/WebKit/Source/core/webaudio', 109 'third_party/WebKit/Source/core/websockets', 110 'third_party/WebKit/Source/core/workers', 111 'third_party/WebKit/Source/core/xml', 112 'third_party/WebKit/Source/public', 113 'third_party/WebKit/Source/web', 114 'third_party/WebKit/Source/wtf', 115 'third_party/cld', 116 'third_party/google_toolbox_for_mac/src', 117 'third_party/icu/public/common', 118 'third_party/icu/public/i18n', 119 'third_party/npapi', 120 'third_party/npapi/bindings', 121 'third_party/protobuf', 122 'third_party/protobuf/src', 123 'third_party/skia/gpu/include', 124 'third_party/skia/include/config', 125 'third_party/skia/include/core', 126 'third_party/skia/include/effects', 127 'third_party/skia/include/gpu', 128 'third_party/skia/include/pdf', 129 'third_party/skia/include/ports', 130 'v8/include', 131 'xcodebuild/Debug/include', 132 'xcodebuild/DerivedSources/Debug/chrome', 133 'xcodebuild/DerivedSources/Debug/policy', 134 'xcodebuild/DerivedSources/Debug/protoc_out', 135 'xcodebuild/DerivedSources/Debug/webkit', 136 'xcodebuild/DerivedSources/Debug/webkit/bindings', 137] 138 139 140def Walk(seen, filename, parent, indent): 141 """Returns the size of |filename| plus the size of all files included by 142 |filename| and prints the include tree of |filename| to stdout. Every file 143 is visited at most once. 144 """ 145 total_bytes = 0 146 147 # .proto(devel) filename translation 148 if filename.endswith('.pb.h'): 149 basename = filename[:-5] 150 if os.path.exists(basename + '.proto'): 151 filename = basename + '.proto' 152 else: 153 print 'could not find ', filename 154 155 # Show and count files only once. 156 if filename in seen: 157 return total_bytes 158 seen.add(filename) 159 160 # Display the paths. 161 print ' ' * indent + filename 162 163 # Skip system includes. 164 if filename[0] == '<': 165 return total_bytes 166 167 # Find file in all include paths. 168 resolved_filename = filename 169 for root in INCLUDE_PATHS + [os.path.dirname(parent)]: 170 if os.path.exists(os.path.join(root, filename)): 171 resolved_filename = os.path.join(root, filename) 172 break 173 174 # Recurse. 175 if os.path.exists(resolved_filename): 176 lines = open(resolved_filename).readlines() 177 else: 178 print ' ' * (indent + 2) + "-- not found" 179 lines = [] 180 for line in lines: 181 line = line.strip() 182 if line.startswith('#include "'): 183 total_bytes += Walk( 184 seen, line.split('"')[1], resolved_filename, indent + 2) 185 elif line.startswith('#include '): 186 include = '<' + line.split('<')[1].split('>')[0] + '>' 187 total_bytes += Walk( 188 seen, include, resolved_filename, indent + 2) 189 elif line.startswith('import '): 190 total_bytes += Walk( 191 seen, line.split('"')[1], resolved_filename, indent + 2) 192 return total_bytes + len("".join(lines)) 193 194 195def main(): 196 bytes = Walk(set(), sys.argv[1], '', 0) 197 print 198 print float(bytes) / (1 << 20), "megabytes of chrome source" 199 200 201if __name__ == '__main__': 202 sys.exit(main()) 203