Add a new bindings2/scripts directory for Dart bindings

sky/engine/bindings2/scripts/utilities.py

 # 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.
 
 """Utility functions (file reading, simple IDL parsing by regexes) for IDL build.
 
 Design doc: http://www.chromium.org/developers/design-documents/idl-build
 """
 
 import os
@@ skipping 21 matching lines @@
     with open(filename) as f:
         return f.read()
 
 
 def read_file_to_list(filename):
     """Returns a list of (stripped) lines for a given filename."""
     with open(filename) as f:
         return [line.rstrip('\n') for line in f]
 
 
-def resolve_cygpath(cygdrive_names):
-    if not cygdrive_names:
-        return []
-    cmd = ['cygpath', '-f', '-', '-wa']
-    process = subprocess.Popen(cmd, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
-    idl_file_names = []
-    for file_name in cygdrive_names:
-        process.stdin.write('%s\n' % file_name)
-        process.stdin.flush()
-        idl_file_names.append(process.stdout.readline().rstrip())
-    process.stdin.close()
-    process.wait()
-    return idl_file_names
-
-
 def read_idl_files_list_from_file(filename):
     """Similar to read_file_to_list, but also resolves cygpath."""
     with open(filename) as input_file:
         file_names = sorted([os.path.realpath(line.rstrip('\n'))
                              for line in input_file])
         idl_file_names = [file_name for file_name in file_names
                           if not file_name.startswith('/cygdrive')]
         cygdrive_names = [file_name for file_name in file_names
                           if file_name.startswith('/cygdrive')]
         idl_file_names.extend(resolve_cygpath(cygdrive_names))
@@ skipping 77 matching lines @@
     return (
         [left for left, right in implements_pairs if right == interface_name],
         [right for left, right in implements_pairs if left == interface_name])
 
 
 def is_callback_interface_from_idl(file_contents):
     match = re.search(r'callback\s+interface\s+\w+\s*{', file_contents)
     return bool(match)
 
 
-def is_dictionary_from_idl(file_contents):
-    match = re.search(r'dictionary\s+\w+\s*{', file_contents)
-    return bool(match)
-
-
 def get_parent_interface(file_contents):
     match = re.search(r'interface\s+'
                       r'\w+\s*'
                       r':\s*(\w+)\s*'
                       r'{',
                       file_contents)
     return match and match.group(1)
 
 
 def get_interface_extended_attributes_from_idl(file_contents):
@@ skipping 30 matching lines @@
 
 def get_put_forward_interfaces_from_idl(file_contents):
     put_forwards_pattern = (r'\[[^\]]*PutForwards=[^\]]*\]\s+'
                             r'readonly\s+'
                             r'attribute\s+'
                             r'(\w+)')
     return sorted(set(match.group(1)
                       for match in re.finditer(put_forwards_pattern,
                                                file_contents,
                                                flags=re.DOTALL)))