IDL: Add build target for IDL dictionary impl generation in core

Source/bindings/scripts/compute_interfaces_info_individual.py

 #!/usr/bin/python
 #
 # Copyright (C) 2013 Google Inc. All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 # notice, this list of conditions and the following disclaimer.
@@ skipping 67 matching lines @@
     if options.write_file_only_if_changed is None:
         parser.error('Must specify whether file is only written if changed using --write-file-only-if-changed.')
     options.write_file_only_if_changed = bool(options.write_file_only_if_changed)
     return options, args
 
 
 ################################################################################
 # Computations
 ################################################################################
 
+def relative_dir_posix(idl_filename):
+    """Returns relative path to the directory of idl_file in POSIX format."""
+    relative_path_local = os.path.relpath(idl_filename, source_path)
+    relative_dir_local = os.path.dirname(relative_path_local)
+    return relative_dir_local.replace(os.path.sep, posixpath.sep)
+
 def include_path(idl_filename, implemented_as=None):
     """Returns relative path to header file in POSIX format; used in includes.
 
     POSIX format is used for consistency of output, so reference tests are
     platform-independent.
     """
-    relative_path_local = os.path.relpath(idl_filename, source_path)
-    relative_dir_local = os.path.dirname(relative_path_local)
-    relative_dir_posix = relative_dir_local.replace(os.path.sep, posixpath.sep)
+    relative_dir = relative_dir_posix(idl_filename)
 
     # IDL file basename is used even if only a partial interface file
     idl_file_basename, _ = os.path.splitext(os.path.basename(idl_filename))
     cpp_class_name = implemented_as or idl_file_basename
 
-    return posixpath.join(relative_dir_posix, cpp_class_name + '.h')
+    return posixpath.join(relative_dir, cpp_class_name + '.h')
 
 
 def add_paths_to_partials_dict(partial_interface_name, full_path, this_include_path=None):
     paths_dict = partial_interface_files[partial_interface_name]
     paths_dict['full_paths'].append(full_path)
     if this_include_path:
         paths_dict['include_paths'].append(this_include_path)
 
 
 def compute_info_individual(idl_filename, component_dir):
     full_path = os.path.realpath(idl_filename)
     idl_file_contents = get_file_contents(full_path)
 
     extended_attributes = get_interface_extended_attributes_from_idl(idl_file_contents)
     implemented_as = extended_attributes.get('ImplementedAs')
     this_include_path = include_path(idl_filename, implemented_as)
+    relative_dir = relative_dir_posix(idl_filename)
 
     # Handle partial interfaces
     partial_interface_name = get_partial_interface_name_from_idl(idl_file_contents)
     if partial_interface_name:
         add_paths_to_partials_dict(partial_interface_name, full_path, this_include_path)
         return
 
     # If not a partial interface, the basename is the interface name
     interface_name = idl_filename_to_interface_name(idl_filename)
 
@@ skipping 17 matching lines @@
         # 'implements': http://crbug.com/360435
         'is_legacy_treat_as_partial_interface': 'LegacyTreatAsPartialInterface' in extended_attributes,
         'parent': get_parent_interface(idl_file_contents),
         # Interfaces that are referenced (used as types) and that we introspect
         # during code generation (beyond interface-level data ([ImplementedAs],
         # is_callback_interface, ancestors, and inherited extended attributes):
         # deep dependencies.
         # These cause rebuilds of referrers, due to the dependency, so these
         # should be minimized; currently only targets of [PutForwards].
         'referenced_interfaces': get_put_forward_interfaces_from_idl(idl_file_contents),
+        'relative_dir': relative_dir,
     }
 
 
 def info_individual():
     """Returns info packaged as a dict."""
     return {
         'interfaces_info': interfaces_info,
         # Can't pickle defaultdict, convert to dict
         'partial_interface_files': dict(partial_interface_files),
     }
@@ skipping 18 matching lines @@
     for idl_filename in idl_files:
         compute_info_individual(idl_filename, options.component_dir)
 
     write_pickle_file(options.interfaces_info_file,
                       info_individual(),
                       options.write_file_only_if_changed)
 
 
 if __name__ == '__main__':
     sys.exit(main())