compile_coverage.py revision 1320f92c476a1ad9d19dba2a48c72b75566198e9
1#!/usr/bin/python 2# Copyright 2014 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 6from ast import literal_eval 7import os 8 9 10_HERE = os.path.dirname(__file__) 11_SRC_ROOT = os.path.join(_HERE, '..', '..', '..') 12_FROM_SRC = lambda p: os.path.abspath(os.path.join(_SRC_ROOT, p)) 13 14 15from sys import path as sys_path 16sys_path.insert(0, os.path.join(_HERE, '..')) 17import processor 18 19 20# High priority code to compile. 21_NEED_TO_COMPILE = map(_FROM_SRC, [ 22 'chrome/browser/resources/bookmark_manager', 23 'chrome/browser/resources/downloads', 24 'chrome/browser/resources/extensions', 25 'chrome/browser/resources/help', 26 'chrome/browser/resources/history', 27 'chrome/browser/resources/ntp4', 28 'chrome/browser/resources/options', 29 'chrome/browser/resources/print_preview', 30 'chrome/browser/resources/uber', 31 'ui/webui/resources/js', 32]) 33 34 35# Code that we'd eventually like to compile. 36_WANT_TO_COMPILE = map(_FROM_SRC, [ 37 'chrome/browser/resources', 38 'chrome/browser/ui/webui', 39 'chrome/renderer/resources', 40 'chrome/test/data', 41 'content/renderer/resources', 42 'content/test/data', 43 'extensions/renderer', 44 'extensions/test/data', 45 'remoting', 46 'ui/file_manager', 47 'ui/keyboard', 48]) 49 50 51_GIT_IGNORE = open(_FROM_SRC('.gitignore')).read().splitlines() 52_IGNORE_DIRS = tuple(map(_FROM_SRC, map(lambda p: p[1:], _GIT_IGNORE))) 53_IGNORE_DIRS = filter(os.path.isdir, _IGNORE_DIRS) 54_RELEVANT_JS = lambda f: f.endswith('.js') and not f.startswith(_IGNORE_DIRS) 55 56 57def main(): 58 line_cache = {} 59 60 def js_files_and_deps_in_dir(js_dir): 61 found_files = set() 62 63 for root, dirs, files in os.walk(js_dir): 64 abs_files = [os.path.abspath(os.path.join(root, f)) for f in files] 65 relevant_files = filter(_RELEVANT_JS, abs_files) 66 found_files.update(relevant_files) 67 for f in relevant_files: 68 found_files.update(processor.Processor(f).included_files) 69 70 return found_files 71 72 def num_lines(f): 73 f = os.path.abspath(f) 74 if f not in line_cache: 75 line_cache[f] = len(open(f, 'r').read().splitlines()) 76 return line_cache[f] 77 78 # All the files that are already compiled. 79 compiled = set() 80 81 closure_dir = os.path.join(_HERE, '..') 82 root_gyp = os.path.join(closure_dir, 'compiled_resources.gyp') 83 root_contents = open(root_gyp, 'r').read() 84 gyp_files = literal_eval(root_contents)['targets'][0]['dependencies'] 85 86 for g in gyp_files: 87 gyp_file = os.path.join(closure_dir, g.replace(':*', '')) 88 targets = literal_eval(open(gyp_file, 'r').read())['targets'] 89 90 for target in targets: 91 gyp_dir = os.path.dirname(gyp_file) 92 target_file = os.path.join(gyp_dir, target['target_name'] + '.js') 93 compiled.add(os.path.abspath(target_file)) 94 compiled.update(processor.Processor(target_file).included_files) 95 96 if 'variables' in target and 'depends' in target['variables']: 97 depends = target['variables']['depends'] 98 rel_depends = [os.path.join(gyp_dir, d) for d in depends] 99 compiled.update([os.path.abspath(d) for d in rel_depends]) 100 101 compiled_lines = sum(map(num_lines, compiled)) 102 print 'compiled: %d files, %d lines' % (len(compiled), compiled_lines) 103 104 # Find and calculate the line count of all .js files in the wanted or needed 105 # resource directories. 106 files = set() 107 108 for n in _NEED_TO_COMPILE: 109 files.update(js_files_and_deps_in_dir(n)) 110 111 need_lines = sum(map(num_lines, files)) 112 print 'need: %d files, %d lines' % (len(files), need_lines) 113 114 need_done = float(compiled_lines) / need_lines * 100 115 print '%.2f%% done with the code we need to compile' % need_done 116 117 for w in _WANT_TO_COMPILE: 118 files.update(js_files_and_deps_in_dir(w)) 119 120 want_lines = sum(map(num_lines, files)) 121 print 'want: %d files, %d lines' % (len(files), want_lines) 122 123 want_done = float(compiled_lines) / want_lines * 100 124 print '%.2f%% done with the code we want to compile' % want_done 125 126 127if __name__ == '__main__': 128 main() 129