Expose Fetch API related classes to Window and WorkerGlobalScope.

Source/bindings/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 118 matching lines @@
 # We use regular expressions for parsing; this is incorrect (Web IDL is not a
 # regular language), but simple and sufficient in practice.
 # Leading and trailing context (e.g. following '{') used to avoid false matches.
 ################################################################################
 
 def is_callback_interface_from_idl(file_contents):
     match = re.search(r'callback\s+interface\s+\w+\s*{', file_contents)
     return bool(match)
 
 
-def get_interface_extended_attributes_from_idl(file_contents):
+def match_interface_extended_attributes_from_idl(file_contents):
     # Strip comments
     # re.compile needed b/c Python 2.6 doesn't support flags in re.sub
     single_line_comment_re = re.compile(r'//.*$', flags=re.MULTILINE)
     block_comment_re = re.compile(r'/\*.*?\*/', flags=re.MULTILINE | re.DOTALL)
     file_contents = re.sub(single_line_comment_re, '', file_contents)
     file_contents = re.sub(block_comment_re, '', file_contents)
 
     match = re.search(r'\[(.*)\]\s*'
                       r'((callback|partial)\s+)?'
                       r'(interface|exception)\s+'
                       r'\w+\s*'
                       r'(:\s*\w+\s*)?'
                       r'{',
                       file_contents, flags=re.DOTALL)
+    return match
+
+
+def get_interface_extended_attributes_from_idl(file_contents):
+    match = match_interface_extended_attributes_from_idl(file_contents)
     if not match:
         return {}
 
     extended_attributes_string = match.group(1)
     extended_attributes = {}
     # FIXME: this splitting is WRONG: it fails on extended attributes where lists of
     # multiple values are used, which are seperated by a comma and a space.
     parts = [extended_attribute.strip()
              for extended_attribute in re.split(',\s+', extended_attributes_string)
              # Discard empty parts, which may exist due to trailing comma
              if extended_attribute.strip()]
     for part in parts:
         name, _, value = map(string.strip, part.partition('='))
         extended_attributes[name] = value
     return extended_attributes
+
+
+def get_interface_exposed_arguments(file_contents):
+    match = match_interface_extended_attributes_from_idl(file_contents)
+    if not match:
+        return None
+
+    extended_attributes_string = match.group(1)
+    match = re.search(r'Exposed\(([^)]*)\)', file_contents, flags=re.DOTALL)

[Jens Widell, 2014/12/09 09:20:54]

Put a "\b" before "Exposed", perhaps? In the unlikely event that an interface
has a named constructor whose name ends with "Exposed", this would misinterpret
it.

+    if not match:
+        return None
+    arguments = []
+    for argument in map(string.strip, match.group(1).split(',')):
+        exposed, runtime_enabled = argument.split(' ')
+        arguments.append({'exposed': exposed, 'runtime_enabled': runtime_enabled})
+
+    return arguments