Reland: Generate separate files for union type containers

third_party/WebKit/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 32 matching lines @@
 
 from collections import defaultdict
 import optparse
 import os
 import posixpath
 import sys
 
 from idl_compiler import idl_filename_to_interface_name
 from idl_definitions import Visitor
 from idl_reader import IdlReader
-from utilities import get_file_contents, read_file_to_list, idl_filename_to_interface_name, idl_filename_to_component, write_pickle_file, get_interface_extended_attributes_from_idl, is_callback_interface_from_idl, merge_dict_recursively
+from utilities import get_file_contents, read_file_to_list, idl_filename_to_interface_name, idl_filename_to_component, write_pickle_file, get_interface_extended_attributes_from_idl, is_callback_interface_from_idl, merge_dict_recursively, shorten_union_name
 
 module_path = os.path.dirname(__file__)
 source_path = os.path.normpath(os.path.join(module_path, os.pardir, os.pardir))
 gen_path = os.path.join('gen', 'blink')
 
 
 class IdlBadFilenameError(Exception):
     """Raised if an IDL filename disagrees with the interface name in the file."""
     pass
 
@@ skipping 195 matching lines @@
         extended_attributes = definition.extended_attributes
         implemented_as = extended_attributes.get('ImplementedAs')
         full_path = os.path.realpath(idl_filename)
         this_include_path = None if 'NoImplHeader' in extended_attributes else include_path(idl_filename, implemented_as)
         if definition.is_partial:
             # We don't create interface_info for partial interfaces, but
             # adds paths to another dict.
             partial_include_paths = []
             if this_include_path:
                 partial_include_paths.append(this_include_path)
-            if this_union_types:
+            for union_type in this_union_types:
+                name = shorten_union_name(union_type)
                 partial_include_paths.append(
-                    'bindings/%s/v8/UnionTypes%s.h' % (component, component.capitalize()))
+                    'bindings/%s/v8/%s.h' % (component, name))
             self.add_paths_to_partials_dict(definition.name, full_path, partial_include_paths)
             # Collects C++ header paths which should be included from generated
             # .cpp files.  The resulting structure is as follows.
             #   interfaces_info[interface_name] = {
             #       'cpp_includes': {
             #           'core': set(['core/foo/Foo.h', ...]),
             #           'modules': set(['modules/bar/Bar.h', ...]),
             #       },
             #       ...
             #   }
             if this_include_path:
                 merge_dict_recursively(
                     self.interfaces_info[definition.name],
                     {'cpp_includes': {component: set([this_include_path])}})
             return
 
         # 'implements' statements can be included in either the file for the
         # implement*ing* interface (lhs of 'implements') or implement*ed* interface
         # (rhs of 'implements'). Store both for now, then merge to implement*ing*
         # interface later.
         left_interfaces, right_interfaces = get_implements_from_definitions(
             definitions, definition.name)
 
         interface_info.update({
             'extended_attributes': extended_attributes,
             'full_path': full_path,
-            'has_union_types': bool(this_union_types),
+            'union_types': this_union_types,
             'implemented_as': implemented_as,
             'implemented_by_interfaces': left_interfaces,
             'implements_interfaces': right_interfaces,
             'include_path': this_include_path,
             # FIXME: temporary private field, while removing old treatement of
             # 'implements': http://crbug.com/360435
             'is_legacy_treat_as_partial_interface': 'LegacyTreatAsPartialInterface' in extended_attributes,
             'parent': definition.parent,
             'relative_dir': relative_dir_posix(idl_filename, source_path),
         })
@@ skipping 40 matching lines @@
 
     write_pickle_file(options.interfaces_info_file,
                       info_collector.get_info_as_dict(),
                       options.write_file_only_if_changed)
     write_pickle_file(options.component_info_file,
                       info_collector.get_component_info_as_dict(),
                       options.write_file_only_if_changed)
 
 if __name__ == '__main__':
     sys.exit(main())