(fix landed)Revert of Closure: remove older, original GYP compilation system

third_party/closure_compiler/tools/compile_coverage.py

+#!/usr/bin/python
+# Copyright 2014 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.
+
+from ast import literal_eval
+import os
+
+
+_HERE = os.path.dirname(__file__)
+_SRC_ROOT = os.path.join(_HERE, '..', '..', '..')
+_FROM_SRC = lambda p: os.path.abspath(os.path.join(_SRC_ROOT, p))
+
+
+from sys import path as sys_path
+sys_path.insert(0, os.path.join(_HERE, '..'))
+import processor
+
+
+# High priority code to compile.
+_NEED_TO_COMPILE = map(_FROM_SRC, [
+  'chrome/browser/resources/bookmark_manager',
+  'chrome/browser/resources/downloads',
+  'chrome/browser/resources/extensions',
+  'chrome/browser/resources/help',
+  'chrome/browser/resources/history',
+  'chrome/browser/resources/ntp4',
+  'chrome/browser/resources/options',
+  'chrome/browser/resources/print_preview',
+  'chrome/browser/resources/uber',
+  'ui/webui/resources/js',
+])
+
+
+# Code that we'd eventually like to compile.
+_WANT_TO_COMPILE = map(_FROM_SRC, [
+  'chrome/browser/resources',
+  'chrome/browser/ui/webui',
+  'chrome/renderer/resources',
+  'chrome/test/data',
+  'content/renderer/resources',
+  'content/test/data',
+  'extensions/renderer',
+  'extensions/test/data',
+  'remoting',
+  'ui/file_manager',
+  'ui/keyboard',
+])
+
+
+_GIT_IGNORE = open(_FROM_SRC('.gitignore')).read().splitlines()
+_IGNORE_DIRS = tuple(map(_FROM_SRC, map(lambda p: p[1:], _GIT_IGNORE)))
+_IGNORE_DIRS = filter(os.path.isdir, _IGNORE_DIRS)
+_RELEVANT_JS = lambda f: f.endswith('.js') and not f.startswith(_IGNORE_DIRS)
+
+
+def main():
+  line_cache = {}
+
+  def js_files_and_deps_in_dir(js_dir):
+    found_files = set()
+
+    for root, dirs, files in os.walk(js_dir):
+      abs_files = [os.path.abspath(os.path.join(root, f)) for f in files]
+      relevant_files = filter(_RELEVANT_JS, abs_files)
+      found_files.update(relevant_files)
+      for f in relevant_files:
+        found_files.update(processor.Processor(f).included_files)
+
+    return found_files
+
+  def num_lines(f):
+    f = os.path.abspath(f)
+    if f not in line_cache:
+      line_cache[f] = len(open(f, 'r').read().splitlines())
+    return line_cache[f]
+
+  # All the files that are already compiled.
+  compiled = set()
+
+  closure_dir = os.path.join(_HERE, '..')
+  root_gyp = os.path.join(closure_dir, 'compiled_resources.gyp')
+  root_contents = open(root_gyp, 'r').read()
+  gyp_files = literal_eval(root_contents)['targets'][0]['dependencies']
+
+  for g in gyp_files:
+    gyp_file = os.path.join(closure_dir, g.replace(':*', ''))
+    targets = literal_eval(open(gyp_file, 'r').read())['targets']
+
+    for target in targets:
+      gyp_dir = os.path.dirname(gyp_file)
+      target_file = os.path.join(gyp_dir, target['target_name'] + '.js')
+      compiled.add(os.path.abspath(target_file))
+      compiled.update(processor.Processor(target_file).included_files)
+
+      if 'variables' in target and 'depends' in target['variables']:
+        depends = target['variables']['depends']
+        rel_depends = [os.path.join(gyp_dir, d) for d in depends]
+        compiled.update([os.path.abspath(d) for d in rel_depends])
+
+  compiled_lines = sum(map(num_lines, compiled))
+  print 'compiled: %d files, %d lines' % (len(compiled), compiled_lines)
+
+  # Find and calculate the line count of all .js files in the wanted or needed
+  # resource directories.
+  files = set()
+
+  for n in _NEED_TO_COMPILE:
+    files.update(js_files_and_deps_in_dir(n))
+
+  need_lines = sum(map(num_lines, files))
+  print 'need: %d files, %d lines' % (len(files), need_lines)
+
+  need_done = float(compiled_lines) / need_lines * 100
+  print '%.2f%% done with the code we need to compile' % need_done
+
+  for w in _WANT_TO_COMPILE:
+    files.update(js_files_and_deps_in_dir(w))
+
+  want_lines = sum(map(num_lines, files))
+  print 'want: %d files, %d lines' % (len(files), want_lines)
+
+  want_done = float(compiled_lines) / want_lines * 100
+  print '%.2f%% done with the code we want to compile' % want_done
+
+
+if __name__ == '__main__':
+  main()