[cc] Initial checkin of cc-frame-viewer

tools/cc-frame-viewer/build/calcdeps.py

+#!/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.
+import optparse
+import parse_deps
+import sys
+import os
+
+srcdir = os.path.abspath(os.path.join(os.path.dirname(__file__), "../src"))
+
+js_warning_message = (
+"""// 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.
+
+/**
+ * WARNING: This file is generated by calcdeps.py
+ *
+ *        Do not edit directly.
+ */
+""")
+
+def generate_deps_js():
+  all_filenames = []
+  for dirpath, dirnames, filenames in os.walk(srcdir):
+    for f in filenames:
+      all_filenames.append(os.path.join(dirpath, f))
+  filenames = [x for x in all_filenames if
+               os.path.splitext(x)[1] == ".js"]
+
+  filenames = [os.path.relpath(x) for x in filenames]
+  def ignored(x):
+    if os.path.basename(x).startswith('.'):
+      return True
+    return False
+  filenames = [x for x in filenames if not ignored(x)]
+
+  if "deps.js" in filenames:
+    filenames.remove("deps.js")
+
+  load_sequence = parse_deps.calc_load_sequence(filenames, srcdir)
+
+  chunks = [js_warning_message]
+  for module in load_sequence:
+    for dependent_module_name in module.dependent_module_names:
+      chunks.append("base.addModuleDependency(\n    '%s',\n    '%s');\n" % (
+          module.name, dependent_module_name));
+
+    for dependent_raw_script_name in module.dependent_raw_script_names:
+      chunks.append(
+          "base.addModuleRawScriptDependency(\n    '%s',\n    '%s');\n" % (
+          module.name, dependent_raw_script_name));
+
+    for style_sheet in module.style_sheets:
+      chunks.append("base.addModuleStylesheet(\n    '%s',\n    '%s');\n" % (
+          module.name, style_sheet.name));
+
+  result = "".join(chunks)
+  return result
+
+def is_out_of_date():
+  olddir = os.getcwd()
+  try:
+    os.chdir(srcdir)
+
+    o = open(os.path.join(srcdir, "base", "deps.js"), 'r')
+    existing_deps_js = o.read()
+    o.close()
+
+    result_js = generate_deps_js()
+
+    if result_js != existing_deps_js:
+      return True
+
+  finally:
+    os.chdir(olddir)
+  return False
+
+def regenerate_deps():
+  olddir = os.getcwd()
+  try:
+    os.chdir(srcdir)
+
+    try:
+      deps_js = generate_deps_js()
+    except parse_deps.DepsException, ex:
+      sys.stderr.write("Error: %s\n\n" % str(ex))
+      return 255
+
+    o = open(os.path.join(srcdir, "base", "deps.js"), 'w')
+    o.write(deps_js)
+    o.close()
+
+  finally:
+    os.chdir(olddir)
+
+def main(args):
+  parser = optparse.OptionParser()
+  options, args = parser.parse_args(args)
+
+  regenerate_deps()
+
+  return 0
+
+if __name__ == "__main__":
+  sys.exit(main(sys.argv))