Gut gyp_chromium, common.gypi.

tools/gyp-explain.py

Index: tools/gyp-explain.py
diff --git a/tools/gyp-explain.py b/tools/gyp-explain.py
deleted file mode 100755
index 824f72f1d65b9126ba671a31e13cea3267d7ee7f..0000000000000000000000000000000000000000
--- a/tools/gyp-explain.py
+++ /dev/null
@@ -1,119 +0,0 @@
-#!/usr/bin/env python
-# Copyright (c) 2012 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.
-
-"""Prints paths between gyp targets.
-"""
-
-import json
-import os
-import sys
-import time
-
-from collections import deque
-
-def usage():
-  print """\
-Usage:
-  tools/gyp-explain.py [--dot] chrome_dll# gtest#
-"""
-
-
-def GetPath(graph, fro, to):
-  """Given a graph in (node -> list of successor nodes) dictionary format,
-  yields all paths from |fro| to |to|, starting with the shortest."""
-  # Storing full paths in the queue is a bit wasteful, but good enough for this.
-  q = deque([(fro, [])])
-  while q:
-    t, path = q.popleft()
-    if t == to:
-      yield path + [t]
-    for d in graph[t]:
-      q.append((d, path + [t]))
-
-
-def MatchNode(graph, substring):
-  """Given a dictionary, returns the key that matches |substring| best. Exits
-  if there's not one single best match."""
-  candidates = []
-  for target in graph:
-    if substring in target:
-      candidates.append(target)
-
-  if not candidates:
-    print 'No targets match "%s"' % substring
-    sys.exit(1)
-  if len(candidates) > 1:
-    print 'More than one target matches "%s": %s' % (
-        substring, ' '.join(candidates))
-    sys.exit(1)
-  return candidates[0]
-
-
-def EscapeForDot(string):
-  suffix = '#target'
-  if string.endswith(suffix):
-    string = string[:-len(suffix)]
-  string = string.replace('\\', '\\\\')
-  return '"' + string + '"'
-
-
-def GenerateDot(fro, to, paths):
-  """Generates an input file for graphviz's dot program."""
-  prefixes = [os.path.commonprefix(path) for path in paths]
-  prefix = os.path.commonprefix(prefixes)
-  print '// Build with "dot -Tpng -ooutput.png this_file.dot"'
-  # "strict" collapses common paths.
-  print 'strict digraph {'
-  for path in paths:
-    print (' -> '.join(EscapeForDot(item[len(prefix):]) for item in path)), ';'
-  print '}'
-
-
-def Main(argv):
-  # Check that dump.json exists and that it's not too old.
-  dump_json_dirty = False
-  try:
-    st = os.stat('dump.json')
-    file_age_s = time.time() - st.st_mtime
-    if file_age_s > 2 * 60 * 60:
-      print 'dump.json is more than 2 hours old.'
-      dump_json_dirty = True
-  except OSError:
-    print 'dump.json not found.'
-    dump_json_dirty = True
-
-  if dump_json_dirty:
-    print 'Run'
-    print '    GYP_GENERATORS=dump_dependency_json build/gyp_chromium'
-    print 'first, then try again.'
-    sys.exit(1)
-
-  g = json.load(open('dump.json'))
-
-  if len(argv) not in (3, 4):
-    usage()
-    sys.exit(1)
-
-  generate_dot = argv[1] == '--dot'
-  if generate_dot:
-    argv.pop(1)
-
-  fro = MatchNode(g, argv[1])
-  to = MatchNode(g, argv[2])
-
-  paths = list(GetPath(g, fro, to))
-  if len(paths) > 0:
-    if generate_dot:
-      GenerateDot(fro, to, paths)
-    else:
-      print 'These paths lead from %s to %s:' % (fro, to)
-      for path in paths:
-        print ' -> '.join(path)
-  else:
-    print 'No paths found from %s to %s.' % (fro, to)
-
-
-if __name__ == '__main__':
-  Main(sys.argv)