Moved most of html lib generating scripts into tools.

sdk/lib/html/scripts/generator.py

Index: sdk/lib/html/scripts/generator.py
diff --git a/sdk/lib/html/scripts/generator.py b/sdk/lib/html/scripts/generator.py
deleted file mode 100644
index 39abf5f831c27d984ba700da99aea729649573dd..0000000000000000000000000000000000000000
--- a/sdk/lib/html/scripts/generator.py
+++ /dev/null
@@ -1,1217 +0,0 @@
-#!/usr/bin/python
-# Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
-# for details. All rights reserved. Use of this source code is governed by a
-# BSD-style license that can be found in the LICENSE file.
-
-"""This module provides shared functionality for systems to generate
-Dart APIs from the IDL database."""
-
-import copy
-import re
-from htmlrenamer import html_interface_renames
-
-_pure_interfaces = set([
-    # TODO(sra): DOMStringMap should be a class implementing Map<String,String>.
-    'DOMStringMap',
-    'ElementTimeControl',
-    'ElementTraversal',
-    'EventListener',
-    'MediaQueryListListener',
-    'NodeSelector',
-    'SVGExternalResourcesRequired',
-    'SVGFilterPrimitiveStandardAttributes',
-    'SVGFitToViewBox',
-    'SVGLangSpace',
-    'SVGLocatable',
-    'SVGStylable',
-    'SVGTests',
-    'SVGTransformable',
-    'SVGURIReference',
-    'SVGZoomAndPan',
-    'TimeoutHandler'])
-
-def IsPureInterface(interface_name):
-  return interface_name in _pure_interfaces
-
-
-_methods_with_named_formals = set([
-  'DataView.getFloat32',
-  'DataView.getFloat64',
-  'DataView.getInt16',
-  'DataView.getInt32',
-  'DataView.getInt8',
-  'DataView.getUint16',
-  'DataView.getUint32',
-  'DataView.getUint8',
-  'DataView.setFloat32',
-  'DataView.setFloat64',
-  'DataView.setInt16',
-  'DataView.setInt32',
-  'DataView.setInt8',
-  'DataView.setUint16',
-  'DataView.setUint32',
-  'DataView.setUint8',
-  'DirectoryEntry.getDirectory',
-  'DirectoryEntry.getFile',
-  ])
-
-#
-# Renames for attributes that have names that are not legal Dart names.
-#
-_dart_attribute_renames = {
-    'default': 'defaultValue',
-    'final': 'finalValue',
-}
-
-#
-# Interface version of the DOM needs to delegate typed array constructors to a
-# factory provider.
-#
-interface_factories = {
-    'Float32Array': '_TypedArrayFactoryProvider',
-    'Float64Array': '_TypedArrayFactoryProvider',
-    'Int8Array': '_TypedArrayFactoryProvider',
-    'Int16Array': '_TypedArrayFactoryProvider',
-    'Int32Array': '_TypedArrayFactoryProvider',
-    'Uint8Array': '_TypedArrayFactoryProvider',
-    'Uint16Array': '_TypedArrayFactoryProvider',
-    'Uint32Array': '_TypedArrayFactoryProvider',
-    'Uint8ClampedArray': '_TypedArrayFactoryProvider',
-}
-
-#
-# Custom native specs for the dart2js dom.
-#
-_dart2js_dom_custom_native_specs = {
-    # Decorate the singleton Console object, if present (workers do not have a
-    # console).
-    'Console': "=(typeof console == 'undefined' ? {} : console)",
-
-    # DOMWindow aliased with global scope.
-    'DOMWindow': '@*DOMWindow',
-}
-
-def IsRegisteredType(type_name):
-  return type_name in _idl_type_registry
-
-def MakeNativeSpec(javascript_binding_name):
-  if javascript_binding_name in _dart2js_dom_custom_native_specs:
-    return _dart2js_dom_custom_native_specs[javascript_binding_name]
-  else:
-    # Make the class 'hidden' so it is dynamically patched at runtime.  This
-    # is useful for browser compat.
-    return '*' + javascript_binding_name
-
-
-def MatchSourceFilter(thing):
-  return 'WebKit' in thing.annotations or 'Dart' in thing.annotations
-
-
-class ParamInfo(object):
-  """Holder for various information about a parameter of a Dart operation.
-
-  Attributes:
-    name: Name of parameter.
-    type_id: Original type id.  None for merged types.
-    is_optional: Parameter optionality.
-  """
-  def __init__(self, name, type_id, is_optional):
-    self.name = name
-    self.type_id = type_id
-    self.is_optional = is_optional
-
-  def Copy(self):
-    return ParamInfo(self.name, self.type_id, self.is_optional)
-
-  def __repr__(self):
-    content = 'name = %s, type_id = %s, is_optional = %s' % (
-        self.name, self.type_id, self.is_optional)
-    return '<ParamInfo(%s)>' % content
-
-
-# Given a list of overloaded arguments, render dart arguments.
-def _BuildArguments(args, interface, constructor=False):
-  def IsOptional(argument):
-    if 'Callback' in argument.ext_attrs:
-      # Callbacks with 'Optional=XXX' are treated as optional arguments.
-      return 'Optional' in argument.ext_attrs
-    if constructor:
-      # FIXME: Constructors with 'Optional=XXX' shouldn't be treated as
-      # optional arguments.
-      return 'Optional' in argument.ext_attrs
-    return False
-
-  # Given a list of overloaded arguments, choose a suitable name.
-  def OverloadedName(args):
-    return '_OR_'.join(sorted(set(arg.id for arg in args)))
-
-  def DartType(idl_type_name):
-   if idl_type_name in _idl_type_registry:
-     return _idl_type_registry[idl_type_name].dart_type or idl_type_name
-   return idl_type_name
-
-  # Given a list of overloaded arguments, choose a suitable type.
-  def OverloadedType(args):
-    type_ids = sorted(set(arg.type.id for arg in args))
-    if len(set(DartType(arg.type.id) for arg in args)) == 1:
-      return type_ids[0]
-    else:
-      return None
-
-  result = []
-
-  is_optional = False
-  for arg_tuple in map(lambda *x: x, *args):
-    is_optional = is_optional or any(arg is None or IsOptional(arg) for arg in arg_tuple)
-
-    filtered = filter(None, arg_tuple)
-    type_id = OverloadedType(filtered)
-    name = OverloadedName(filtered)
-    result.append(ParamInfo(name, type_id, is_optional))
-
-  return result
-
-def IsOptional(argument):
-  return ('Optional' in argument.ext_attrs and
-          argument.ext_attrs['Optional'] == None)
-
-def AnalyzeOperation(interface, operations):
-  """Makes operation calling convention decision for a set of overloads.
-
-  Returns: An OperationInfo object.
-  """
-
-  # split operations with optional args into multiple operations
-  split_operations = []
-  for operation in operations:
-    for i in range(0, len(operation.arguments)):
-      if IsOptional(operation.arguments[i]):
-        new_operation = copy.deepcopy(operation)
-        new_operation.arguments = new_operation.arguments[:i]
-        split_operations.append(new_operation)
-    split_operations.append(operation)
-
-  # Zip together arguments from each overload by position, then convert
-  # to a dart argument.
-  info = OperationInfo()
-  info.operations = operations
-  info.overloads = split_operations
-  info.declared_name = operations[0].id
-  info.name = operations[0].ext_attrs.get('DartName', info.declared_name)
-  info.constructor_name = None
-  info.js_name = info.declared_name
-  info.type_name = operations[0].type.id   # TODO: widen.
-  info.param_infos = _BuildArguments([op.arguments for op in split_operations], interface)
-  full_name = '%s.%s' % (interface.id, info.declared_name)
-  info.requires_named_arguments = full_name in _methods_with_named_formals
-  return info
-
-
-def AnalyzeConstructor(interface):
-  """Returns an OperationInfo object for the constructor.
-
-  Returns None if the interface has no Constructor.
-  """
-  if 'Constructor' in interface.ext_attrs:
-    name = None
-    func_value = interface.ext_attrs.get('Constructor')
-    if not func_value:
-      args = []
-      idl_args = []
-  elif 'NamedConstructor' in interface.ext_attrs:
-    func_value = interface.ext_attrs.get('NamedConstructor')
-    name = func_value.id
-  else:
-    return None
-
-  if func_value:
-    idl_args = func_value.arguments
-    args =_BuildArguments([idl_args], interface, True)
-
-  info = OperationInfo()
-  info.overloads = None
-  info.idl_args = idl_args
-  info.declared_name = name
-  info.name = name
-  info.constructor_name = None
-  info.js_name = name
-  info.type_name = interface.id
-  info.param_infos = args
-  info.requires_named_arguments = False
-  info.pure_dart_constructor = False
-  return info
-
-def IsDartListType(type):
-  return type == 'List' or type.startswith('sequence<')
-
-def IsDartCollectionType(type):
-  return IsDartListType(type)
-
-def FindMatchingAttribute(interface, attr1):
-  matches = [attr2 for attr2 in interface.attributes
-             if attr1.id == attr2.id]
-  if matches:
-    assert len(matches) == 1
-    return matches[0]
-  return None
-
-
-def DartDomNameOfAttribute(attr):
-  """Returns the Dart name for an IDLAttribute.
-
-  attr.id is the 'native' or JavaScript name.
-
-  To ensure uniformity, work with the true IDL name until as late a possible,
-  e.g. translate to the Dart name when generating Dart code.
-  """
-  name = attr.id
-  name = _dart_attribute_renames.get(name, name)
-  name = attr.ext_attrs.get('DartName', None) or name
-  return name
-
-
-def TypeOrNothing(dart_type, comment=None):
-  """Returns string for declaring something with |dart_type| in a context
-  where a type may be omitted.
-  The string is empty or has a trailing space.
-  """
-  if dart_type == 'dynamic':
-    if comment:
-      return '/*%s*/ ' % comment   # Just a comment foo(/*T*/ x)
-    else:
-      return ''                    # foo(x) looks nicer than foo(var|dynamic x)
-  else:
-    return dart_type + ' '
-
-
-def TypeOrVar(dart_type, comment=None):
-  """Returns string for declaring something with |dart_type| in a context
-  where if a type is omitted, 'var' must be used instead."""
-  if dart_type == 'dynamic':
-    if comment:
-      return 'var /*%s*/' % comment   # e.g.  var /*T*/ x;
-    else:
-      return 'var'                    # e.g.  var x;
-  else:
-    return dart_type
-
-
-class OperationInfo(object):
-  """Holder for various derived information from a set of overloaded operations.
-
-  Attributes:
-    overloads: A list of IDL operation overloads with the same name.
-    name: A string, the simple name of the operation.
-    constructor_name: A string, the name of the constructor iff the constructor
-       is named, e.g. 'fromList' in  Int8Array.fromList(list).
-    type_name: A string, the name of the return type of the operation.
-    param_infos: A list of ParamInfo.
-    factory_parameters: A list of parameters used for custom designed Factory
-        calls.
-  """
-
-  def __init__(self):
-    self.factory_parameters = None
-
-  def ParametersDeclaration(self, rename_type, force_optional=False):
-    def FormatParam(param):
-      dart_type = rename_type(param.type_id) if param.type_id else 'dynamic'
-      return '%s%s' % (TypeOrNothing(dart_type, param.type_id), param.name)
-
-    required = []
-    optional = []
-    for param_info in self.param_infos:
-      if param_info.is_optional:
-        optional.append(param_info)
-      else:
-        if optional:
-          raise Exception('Optional parameters cannot precede required ones: '
-                          + str(params))
-        required.append(param_info)
-    argtexts = map(FormatParam, required)
-    if optional:
-      needs_named = self.requires_named_arguments and not force_optional
-      left_bracket, right_bracket = '{}' if needs_named else '[]'
-      argtexts.append(
-          left_bracket +
-          ', '.join(map(FormatParam, optional)) +
-          right_bracket)
-    return ', '.join(argtexts)
-
-  def ParametersAsArgumentList(self, parameter_count = None):
-    """Returns a string of the parameter names suitable for passing the
-    parameters as arguments.
-    """
-    if parameter_count is None:
-      parameter_count = len(self.param_infos)
-    return ', '.join(map(
-        lambda param_info: param_info.name,
-        self.param_infos[:parameter_count]))
-
-  def IsStatic(self):
-    is_static = self.overloads[0].is_static
-    assert any([is_static == o.is_static for o in self.overloads])
-    return is_static
-
-  def _ConstructorFullName(self, rename_type):
-    if self.constructor_name:
-      return rename_type(self.type_name) + '.' + self.constructor_name
-    else:
-      return rename_type(self.type_name)
-
-def ConstantOutputOrder(a, b):
-  """Canonical output ordering for constants."""
-  return cmp(a.id, b.id)
-
-
-def _FormatNameList(names):
-  """Returns JavaScript array literal expression with one name per line."""
-  #names = sorted(names)
-  if len(names) <= 1:
-    expression_string = str(names)  # e.g.  ['length']
-  else:
-    expression_string = ',\n   '.join(str(names).split(','))
-    expression_string = expression_string.replace('[', '[\n    ')
-  return expression_string
-
-
-def IndentText(text, indent):
-  """Format lines of text with indent."""
-  def FormatLine(line):
-    if line.strip():
-      return '%s%s\n' % (indent, line)
-    else:
-      return '\n'
-  return ''.join(FormatLine(line) for line in text.split('\n'))
-
-# Given a sorted sequence of type identifiers, return an appropriate type
-# name
-def TypeName(type_ids, interface):
-  # Dynamically type this field for now.
-  return 'dynamic'
-
-# ------------------------------------------------------------------------------
-
-class Conversion(object):
-  """Represents a way of converting between types."""
-  def __init__(self, name, input_type, output_type):
-    # input_type is the type of the API input (and the argument type of the
-    # conversion function)
-    # output_type is the type of the API output (and the result type of the
-    # conversion function)
-    self.function_name = name
-    self.input_type = input_type
-    self.output_type = output_type
-
-#  "TYPE DIRECTION INTERFACE.MEMBER" -> conversion
-#     Specific member of interface
-#  "TYPE DIRECTION INTERFACE.*" -> conversion
-#     All members of interface getting (setting) with type.
-#  "TYPE DIRECTION" -> conversion
-#     All getters (setters) of type.
-#
-# where DIRECTION is 'get' for getters and operation return values, 'set' for
-# setters and operation arguments.  INTERFACE and MEMBER are the idl names.
-#
-
-_serialize_SSV = Conversion('convertDartToNative_SerializedScriptValue',
-                           'dynamic', 'dynamic')
-
-dart2js_conversions = {
-    # Wrap non-local Windows.  We need to check EventTarget (the base type)
-    # as well.  Note, there are no functions that take a non-local Window
-    # as a parameter / setter.
-    'DOMWindow get':
-      Conversion('_convertNativeToDart_Window', 'dynamic', 'WindowBase'),
-    'EventTarget get':
-      Conversion('_convertNativeToDart_EventTarget', 'dynamic',
-                 'EventTarget'),
-    'EventTarget set':
-      Conversion('_convertDartToNative_EventTarget', 'EventTarget',
-                 'dynamic'),
-
-    'IDBKey get':
-      Conversion('_convertNativeToDart_IDBKey', 'dynamic', 'dynamic'),
-    'IDBKey set':
-      Conversion('_convertDartToNative_IDBKey', 'dynamic', 'dynamic'),
-
-    'ImageData get':
-      Conversion('_convertNativeToDart_ImageData', 'dynamic', 'ImageData'),
-    'ImageData set':
-      Conversion('_convertDartToNative_ImageData', 'ImageData', 'dynamic'),
-
-    'Dictionary get':
-      Conversion('convertNativeToDart_Dictionary', 'dynamic', 'Map'),
-    'Dictionary set':
-      Conversion('convertDartToNative_Dictionary', 'Map', 'dynamic'),
-
-    'DOMString[] set':
-      Conversion('convertDartToNative_StringArray', 'List<String>', 'List'),
-
-    'any set IDBObjectStore.add': _serialize_SSV,
-    'any set IDBObjectStore.put': _serialize_SSV,
-    'any set IDBCursor.update': _serialize_SSV,
-
-    # postMessage
-    'any set DedicatedWorkerContext.postMessage': _serialize_SSV,
-    'any set MessagePort.postMessage': _serialize_SSV,
-    'SerializedScriptValue set DOMWindow.postMessage': _serialize_SSV,
-    'SerializedScriptValue set Worker.postMessage': _serialize_SSV,
-
-    # receiving message via MessageEvent
-    '* get MessageEvent.data':
-      Conversion('convertNativeToDart_SerializedScriptValue',
-                 'dynamic', 'dynamic'),
-
-    '* get History.state':
-      Conversion('_convertNativeToDart_SerializedScriptValue',
-                 'dynamic', 'dynamic'),
-
-    '* get PopStateEvent.state':
-      Conversion('convertNativeToDart_SerializedScriptValue',
-                 'dynamic', 'dynamic'),
-
-    # IDBAny is problematic.  Some uses are just a union of other IDB types,
-    # which need no conversion..  Others include data values which require
-    # serialized script value processing.
-    'IDBAny get IDBCursorWithValue.value':
-      Conversion('_convertNativeToDart_IDBAny', 'dynamic', 'dynamic'),
-
-    # This is problematic.  The result property of IDBRequest is used for
-    # all requests.  Read requests like IDBDataStore.getObject need
-    # conversion, but other requests like opening a database return
-    # something that does not need conversion.
-    'IDBAny get IDBRequest.result':
-      Conversion('_convertNativeToDart_IDBAny', 'dynamic', 'dynamic'),
-
-    # "source: On getting, returns the IDBObjectStore or IDBIndex that the
-    # cursor is iterating. ...".  So we should not try to convert it.
-    'IDBAny get IDBCursor.source': None,
-
-    # Should be either a DOMString, an Array of DOMStrings or null.
-    'IDBAny get IDBObjectStore.keyPath': None,
-}
-
-def FindConversion(idl_type, direction, interface, member):
-  table = dart2js_conversions
-  return (table.get('%s %s %s.%s' % (idl_type, direction, interface, member)) or
-          table.get('* %s %s.%s' % (direction, interface, member)) or
-          table.get('%s %s %s.*' % (idl_type, direction, interface)) or
-          table.get('%s %s' % (idl_type, direction)))
-  return None
-
-# ------------------------------------------------------------------------------
-
-# Annotations to be placed on native members.  The table is indexed by the IDL
-# interface and member name, and by IDL return or field type name.  Both are
-# used to assemble the annotations:
-#
-#   INTERFACE.MEMBER: annotations for member.
-#   +TYPE:            add annotations only if there are member annotations.
-#   -TYPE:            add annotations only if there are no member annotations.
-#   TYPE:             add regardless of member annotations.
-
-dart2js_annotations = {
-
-    'CanvasRenderingContext2D.createImageData':
-      "@Creates('ImageData|=Object')",
-
-    'CanvasRenderingContext2D.getImageData':
-      "@Creates('ImageData|=Object')",
-
-    'CanvasRenderingContext2D.webkitGetImageDataHD':
-      "@Creates('ImageData|=Object')",
-
-    'CanvasRenderingContext2D.fillStyle':
-      "@Creates('String|CanvasGradient|CanvasPattern') "
-      "@Returns('String|CanvasGradient|CanvasPattern')",
-
-    'CanvasRenderingContext2D.strokeStyle':
-      "@Creates('String|CanvasGradient|CanvasPattern') "
-      "@Returns('String|CanvasGradient|CanvasPattern')",
-
-    # Methods returning Window can return a local window, or a cross-frame
-    # window (=Object) that needs wrapping.
-    'DOMWindow':
-      "@Creates('Window|=Object') @Returns('Window|=Object')",
-
-    'DOMWindow.openDatabase': "@Creates('Database') @Creates('DatabaseSync')",
-
-    # Cross-frame windows are EventTargets.
-    '-EventTarget':
-      "@Creates('EventTarget|=Object') @Returns('EventTarget|=Object')",
-
-    # To be in callback with the browser-created Event, we had to have called
-    # addEventListener on the target, so we avoid
-    'Event.currentTarget':
-        "@Creates('Null') @Returns('EventTarget|=Object')",
-
-    # Only nodes in the DOM bubble and have target !== currentTarget.
-    'Event.target':
-        "@Creates('Node') @Returns('EventTarget|=Object')",
-
-    'MouseEvent.relatedTarget':
-        "@Creates('Node') @Returns('EventTarget|=Object')",
-
-    # Touch targets are Elements in a Document, or the Document.
-    'Touch.target':
-        "@Creates('Element|Document') @Returns('Element|Document')",
-
-
-    'FileReader.result': "@Creates('String|ArrayBuffer|Null')",
-
-    # Rather than have the result of an IDBRequest as a union over all possible
-    # results, we mark the result as instantiating any classes, and mark
-    # each operation with the classes that it could cause to be asynchronously
-    # instantiated.
-    'IDBRequest.result':  "@Creates('Null')",
-
-    # The source is usually a participant in the operation that generated the
-    # IDBRequest.
-    'IDBRequest.source':  "@Creates('Null')",
-
-    'IDBFactory.open': "@Creates('Database')",
-
-    'IDBObjectStore.put': "@_annotation_Creates_IDBKey",
-    'IDBObjectStore.add': "@_annotation_Creates_IDBKey",
-    'IDBObjectStore.get': "@annotation_Creates_SerializedScriptValue",
-    'IDBObjectStore.openCursor': "@Creates('Cursor')",
-
-    'IDBIndex.get': "@annotation_Creates_SerializedScriptValue",
-    'IDBIndex.getKey':
-      "@annotation_Creates_SerializedScriptValue "
-      # The source is the object store behind the index.
-      "@Creates('ObjectStore')",
-    'IDBIndex.openCursor': "@Creates('Cursor')",
-    'IDBIndex.openKeyCursor': "@Creates('Cursor')",
-
-    'IDBCursorWithValue.value':
-      '@annotation_Creates_SerializedScriptValue '
-      '@annotation_Returns_SerializedScriptValue',
-
-    'IDBCursor.key': "@_annotation_Creates_IDBKey @_annotation_Returns_IDBKey",
-
-    '+IDBRequest': "@Returns('Request') @Creates('Request')",
-
-    '+IDBOpenDBRequest': "@Returns('Request') @Creates('Request')",
-    '+IDBVersionChangeRequest': "@Returns('Request') @Creates('Request')",
-
-
-    'MessageEvent.ports': "@Creates('=List')",
-
-    'MessageEvent.data':
-      "@annotation_Creates_SerializedScriptValue "
-      "@annotation_Returns_SerializedScriptValue",
-    'PopStateEvent.state':
-      "@annotation_Creates_SerializedScriptValue "
-      "@annotation_Returns_SerializedScriptValue",
-    'SerializedScriptValue':
-      "@annotation_Creates_SerializedScriptValue "
-      "@annotation_Returns_SerializedScriptValue",
-
-    'SQLResultSetRowList.item': "@Creates('=Object')",
-
-    'XMLHttpRequest.response':
-      "@Creates('ArrayBuffer|Blob|Document|=Object|=List|String|num')",
-}
-
-_indexed_db_annotations = [
-  "@SupportedBrowser(SupportedBrowser.CHROME, '23.0')",
-  "@SupportedBrowser(SupportedBrowser.FIREFOX, '15.0')",
-  "@SupportedBrowser(SupportedBrowser.IE, '10.0')",
-  "@Experimental()",
-]
-
-# Annotations to be placed on generated members.
-# The table is indexed as:
-#   INTERFACE:     annotations to be added to the interface declaration
-#   INTERFACE.MEMBER: annotation to be added to the member declaration
-dart_annotations = {
-  'DOMWindow.indexedDB': _indexed_db_annotations,
-  'IDBFactory': _indexed_db_annotations,
-  'IDBDatabase': _indexed_db_annotations,
-  'WorkerContext.indexedDB': _indexed_db_annotations,
-}
-
-def FindCommonAnnotations(interface_name, member_name=None):
-  """ Finds annotations common between dart2js and dartium.
-  """
-  if member_name:
-    return dart_annotations.get('%s.%s' % (interface_name, member_name))
-  else:
-    return dart_annotations.get(interface_name)
-
-def FindDart2JSAnnotations(idl_type, interface_name, member_name):
-  """ Finds all annotations for Dart2JS members- including annotations for
-  both dart2js and dartium.
-  """
-  annotations = FindCommonAnnotations(interface_name, member_name)
-  if annotations:
-    annotations = ' '.join(annotations)
-
-  ann2 = _FindDart2JSSpecificAnnotations(idl_type, interface_name, member_name)
-  if ann2:
-    if annotations:
-      annotations = annotations + ' ' + ann2
-    else:
-      annotations = ann2
-  return annotations
-
-def _FindDart2JSSpecificAnnotations(idl_type, interface_name, member_name):
-  """ Finds dart2js-specific annotations. This does not include ones shared with
-  dartium.
-  """
-  ann1 = dart2js_annotations.get("%s.%s" % (interface_name, member_name))
-  if ann1:
-    ann2 = dart2js_annotations.get('+' + idl_type)
-    if ann2:
-      return ann2 + ' ' + ann1
-    ann2 = dart2js_annotations.get(idl_type)
-    if ann2:
-      return ann2 + ' ' + ann1
-    return ann1
-
-  ann2 = dart2js_annotations.get('-' + idl_type)
-  if ann2:
-    return ann2
-  ann2 = dart2js_annotations.get(idl_type)
-  return ann2
-
-# ------------------------------------------------------------------------------
-
-class IDLTypeInfo(object):
-  def __init__(self, idl_type, data):
-    self._idl_type = idl_type
-    self._data = data
-
-  def idl_type(self):
-    return self._idl_type
-
-  def dart_type(self):
-    return self._data.dart_type or self._idl_type
-
-  def narrow_dart_type(self):
-    return self.dart_type()
-
-  def interface_name(self):
-    raise NotImplementedError()
-
-  def implementation_name(self):
-    raise NotImplementedError()
-
-  def has_generated_interface(self):
-    raise NotImplementedError()
-
-  def list_item_type(self):
-    raise NotImplementedError()
-
-  def is_typed_array(self):
-    raise NotImplementedError()
-
-  def merged_interface(self):
-    return None
-
-  def merged_into(self):
-    return None
-
-  def native_type(self):
-    return self._data.native_type or self._idl_type
-
-  def bindings_class(self):
-    return 'Dart%s' % self.idl_type()
-
-  def vector_to_dart_template_parameter(self):
-    return self.bindings_class()
-
-  def requires_v8_scope(self):
-    return self._data.requires_v8_scope
-
-  def to_native_info(self, idl_node, interface_name):
-    cls = self.bindings_class()
-
-    if 'Callback' in idl_node.ext_attrs:
-      return '%s', 'RefPtr<%s>' % self.native_type(), cls, 'create'
-
-    if self.custom_to_native():
-      type = 'RefPtr<%s>' % self.native_type()
-      argument_expression_template = '%s.get()'
-    else:
-      type = '%s*' % self.native_type()
-      if isinstance(self, SVGTearOffIDLTypeInfo) and not interface_name.endswith('List'):
-        argument_expression_template = '%s->propertyReference()'
-      else:
-        argument_expression_template = '%s'
-    return argument_expression_template, type, cls, 'toNative'
-
-  def pass_native_by_ref(self): return False
-
-  def custom_to_native(self):
-    return self._data.custom_to_native
-
-  def parameter_type(self):
-    return '%s*' % self.native_type()
-
-  def webcore_includes(self):
-    WTF_INCLUDES = [
-        'ArrayBuffer',
-        'ArrayBufferView',
-        'Float32Array',
-        'Float64Array',
-        'Int8Array',
-        'Int16Array',
-        'Int32Array',
-        'Uint8Array',
-        'Uint16Array',
-        'Uint32Array',
-        'Uint8ClampedArray',
-    ]
-
-    if self._idl_type in WTF_INCLUDES:
-      return ['<wtf/%s.h>' % self.native_type()]
-
-    if not self._idl_type.startswith('SVG'):
-      return ['"%s.h"' % self.native_type()]
-
-    if self._idl_type in ['SVGNumber', 'SVGPoint']:
-      return ['"SVGPropertyTearOff.h"']
-    if self._idl_type.startswith('SVGPathSeg'):
-      include = self._idl_type.replace('Abs', '').replace('Rel', '')
-    else:
-      include = self._idl_type
-    return ['"%s.h"' % include] + _svg_supplemental_includes
-
-  def receiver(self):
-    return 'receiver->'
-
-  def conversion_includes(self):
-    includes = [self._idl_type] + (self._data.conversion_includes or [])
-    return ['"Dart%s.h"' % include for include in includes]
-
-  def to_dart_conversion(self, value, interface_name=None, attributes=None):
-    return 'Dart%s::toDart(%s)' % (self._idl_type, value)
-
-  def custom_to_dart(self):
-    return self._data.custom_to_dart
-
-
-class InterfaceIDLTypeInfo(IDLTypeInfo):
-  def __init__(self, idl_type, data, dart_interface_name, type_registry):
-    super(InterfaceIDLTypeInfo, self).__init__(idl_type, data)
-    self._dart_interface_name = dart_interface_name
-    self._type_registry = type_registry
-
-  def dart_type(self):
-    if self.list_item_type() and not self.has_generated_interface():
-      return 'List<%s>' % self._type_registry.TypeInfo(self._data.item_type).dart_type()
-    return self._data.dart_type or self._dart_interface_name
-
-  def narrow_dart_type(self):
-    if self.list_item_type():
-      return self.implementation_name()
-    # TODO(podivilov): only primitive and collection types should override
-    # dart_type.
-    if self._data.dart_type != None:
-      return self.dart_type()
-    if IsPureInterface(self.idl_type()):
-      return self.idl_type()
-    return self.interface_name()
-
-  def interface_name(self):
-    return self._dart_interface_name
-
-  def implementation_name(self):
-    implementation_name = self._dart_interface_name
-    if self.merged_into():
-      implementation_name = '_%s_Merged' % implementation_name
-
-    if not self.has_generated_interface():
-      implementation_name = '_%s' % implementation_name
-
-    return implementation_name
-
-  def has_generated_interface(self):
-    return not self._data.suppress_interface
-
-  def list_item_type(self):
-    return self._data.item_type
-
-  def is_typed_array(self):
-    return self._data.is_typed_array
-
-  def merged_interface(self):
-    # All constants, attributes, and operations of merged interface should be
-    # added to this interface. Merged idl interface does not have corresponding
-    # Dart generated interface, and all references to merged idl interface
-    # (e.g. parameter types, return types, parent interfaces) should be replaced
-    # with this interface. There are two important restrictions:
-    # 1) Merged and target interfaces shouldn't have common members, otherwise
-    # there would be duplicated declarations in generated Dart code.
-    # 2) Merged interface should be direct child of target interface, so the
-    # children of merged interface are not affected by the merge.
-    # As a consequence, target interface implementation and its direct children
-    # interface implementations should implement merged attribute accessors and
-    # operations. For example, SVGElement and Element implementation classes
-    # should implement HTMLElement.insertAdjacentElement(),
-    # HTMLElement.innerHTML, etc.
-    return self._data.merged_interface
-
-  def merged_into(self):
-    return self._data.merged_into
-
-
-class CallbackIDLTypeInfo(IDLTypeInfo):
-  def __init__(self, idl_type, data):
-    super(CallbackIDLTypeInfo, self).__init__(idl_type, data)
-
-
-class SequenceIDLTypeInfo(IDLTypeInfo):
-  def __init__(self, idl_type, data, item_info):
-    super(SequenceIDLTypeInfo, self).__init__(idl_type, data)
-    self._item_info = item_info
-
-  def dart_type(self):
-    return 'List<%s>' % self._item_info.dart_type()
-
-  def interface_name(self):
-    return self.dart_type()
-
-  def implementation_name(self):
-    return self.dart_type()
-
-  def vector_to_dart_template_parameter(self):
-    raise Exception('sequences of sequences are not supported yet')
-
-  def to_native_info(self, idl_node, interface_name):
-    item_native_type = self._item_info.vector_to_dart_template_parameter()
-    return '%s', 'Vector<%s>' % item_native_type, 'DartUtilities', 'toNativeVector<%s>' % item_native_type
-
-  def pass_native_by_ref(self): return True
-
-  def to_dart_conversion(self, value, interface_name=None, attributes=None):
-    return 'DartDOMWrapper::vectorToDart<%s>(%s)' % (self._item_info.vector_to_dart_template_parameter(), value)
-
-  def conversion_includes(self):
-    return self._item_info.conversion_includes()
-
-
-class DOMStringArrayTypeInfo(SequenceIDLTypeInfo):
-  def __init__(self, data, item_info):
-    super(DOMStringArrayTypeInfo, self).__init__('DOMString[]', data, item_info)
-
-  def to_native_info(self, idl_node, interface_name):
-    return '%s', 'RefPtr<DOMStringList>', 'DartDOMStringList', 'toNative'
-
-  def pass_native_by_ref(self): return False
-
-
-class PrimitiveIDLTypeInfo(IDLTypeInfo):
-  def __init__(self, idl_type, data):
-    super(PrimitiveIDLTypeInfo, self).__init__(idl_type, data)
-
-  def vector_to_dart_template_parameter(self):
-    # Ugly hack. Usually IDLs floats are treated as C++ doubles, however
-    # sequence<float> should map to Vector<float>
-    if self.idl_type() == 'float': return 'float'
-    return self.native_type()
-
-  def to_native_info(self, idl_node, interface_name):
-    type = self.native_type()
-    if type == 'SerializedScriptValue':
-      type = 'RefPtr<%s>' % type
-    if type == 'String':
-      type = 'DartStringAdapter'
-    return '%s', type, 'DartUtilities', 'dartTo%s' % self._capitalized_native_type()
-
-  def parameter_type(self):
-    if self.native_type() == 'String':
-      return 'const String&'
-    return self.native_type()
-
-  def conversion_includes(self):
-    return []
-
-  def to_dart_conversion(self, value, interface_name=None, attributes=None):
-    function_name = self._capitalized_native_type()
-    function_name = function_name[0].lower() + function_name[1:]
-    function_name = 'DartUtilities::%sToDart' % function_name
-    if attributes and 'TreatReturnedNullStringAs' in attributes:
-      function_name += 'WithNullCheck'
-    return '%s(%s)' % (function_name, value)
-
-  def webcore_getter_name(self):
-    return self._data.webcore_getter_name
-
-  def webcore_setter_name(self):
-    return self._data.webcore_setter_name
-
-  def _capitalized_native_type(self):
-    return re.sub(r'(^| )([a-z])', lambda x: x.group(2).upper(), self.native_type())
-
-
-class SVGTearOffIDLTypeInfo(InterfaceIDLTypeInfo):
-  def __init__(self, idl_type, data, interface_name, type_registry):
-    super(SVGTearOffIDLTypeInfo, self).__init__(
-        idl_type, data, interface_name, type_registry)
-
-  def native_type(self):
-    if self._data.native_type:
-      return self._data.native_type
-    tear_off_type = 'SVGPropertyTearOff'
-    if self._idl_type.endswith('List'):
-      tear_off_type = 'SVGListPropertyTearOff'
-    return '%s<%s>' % (tear_off_type, self._idl_type)
-
-  def receiver(self):
-    if self._idl_type.endswith('List'):
-      return 'receiver->'
-    return 'receiver->propertyReference().'
-
-  def to_dart_conversion(self, value, interface_name, attributes):
-    svg_primitive_types = ['SVGAngle', 'SVGLength', 'SVGMatrix',
-        'SVGNumber', 'SVGPoint', 'SVGRect', 'SVGTransform']
-    conversion_cast = '%s::create(%s)'
-    if interface_name.startswith('SVGAnimated'):
-      conversion_cast = 'static_cast<%s*>(%s)'
-    elif self.idl_type() == 'SVGStringList':
-      conversion_cast = '%s::create(receiver, %s)'
-    elif interface_name.endswith('List'):
-      conversion_cast = 'static_cast<%s*>(%s.get())'
-    elif self.idl_type() in svg_primitive_types:
-      conversion_cast = '%s::create(%s)'
-    else:
-      conversion_cast = 'static_cast<%s*>(%s)'
-    conversion_cast = conversion_cast % (self.native_type(), value)
-    return 'Dart%s::toDart(%s)' % (self._idl_type, conversion_cast)
-
-  def argument_expression(self, name, interface_name):
-    return name if interface_name.endswith('List') else '%s->propertyReference()' % name
-
-
-class TypeData(object):
-  def __init__(self, clazz, dart_type=None, native_type=None,
-               merged_interface=None, merged_into=None,
-               custom_to_dart=None, custom_to_native=None,
-               conversion_includes=None,
-               webcore_getter_name='getAttribute',
-               webcore_setter_name='setAttribute',
-               requires_v8_scope=False,
-               item_type=None, suppress_interface=False, is_typed_array=False):
-    self.clazz = clazz
-    self.dart_type = dart_type
-    self.native_type = native_type
-    self.merged_interface = merged_interface
-    self.merged_into = merged_into
-    self.custom_to_dart = custom_to_dart
-    self.custom_to_native = custom_to_native
-    self.conversion_includes = conversion_includes
-    self.webcore_getter_name = webcore_getter_name
-    self.webcore_setter_name = webcore_setter_name
-    self.requires_v8_scope = requires_v8_scope
-    self.item_type = item_type
-    self.suppress_interface = suppress_interface
-    self.is_typed_array = is_typed_array
-
-
-def TypedArrayTypeData(item_type):
-  return TypeData(clazz='Interface', item_type=item_type, is_typed_array=True)
-
-
-_idl_type_registry = {
-    'boolean': TypeData(clazz='Primitive', dart_type='bool', native_type='bool',
-                        webcore_getter_name='hasAttribute',
-                        webcore_setter_name='setBooleanAttribute'),
-    'byte': TypeData(clazz='Primitive', dart_type='int', native_type='int'),
-    'octet': TypeData(clazz='Primitive', dart_type='int', native_type='int'),
-    'short': TypeData(clazz='Primitive', dart_type='int', native_type='int'),
-    'unsigned short': TypeData(clazz='Primitive', dart_type='int',
-        native_type='int'),
-    'int': TypeData(clazz='Primitive', dart_type='int'),
-    'unsigned int': TypeData(clazz='Primitive', dart_type='int',
-        native_type='unsigned'),
-    'long': TypeData(clazz='Primitive', dart_type='int', native_type='int',
-        webcore_getter_name='getIntegralAttribute',
-        webcore_setter_name='setIntegralAttribute'),
-    'unsigned long': TypeData(clazz='Primitive', dart_type='int',
-                              native_type='unsigned',
-                              webcore_getter_name='getUnsignedIntegralAttribute',
-                              webcore_setter_name='setUnsignedIntegralAttribute'),
-    'long long': TypeData(clazz='Primitive', dart_type='int'),
-    'unsigned long long': TypeData(clazz='Primitive', dart_type='int'),
-    'float': TypeData(clazz='Primitive', dart_type='num', native_type='double'),
-    'double': TypeData(clazz='Primitive', dart_type='num'),
-
-    'any': TypeData(clazz='Primitive', dart_type='Object', native_type='ScriptValue', requires_v8_scope=True),
-    'Array': TypeData(clazz='Primitive', dart_type='List'),
-    'custom': TypeData(clazz='Primitive', dart_type='dynamic'),
-    'Date': TypeData(clazz='Primitive', dart_type='Date', native_type='double'),
-    'DOMObject': TypeData(clazz='Primitive', dart_type='Object', native_type='ScriptValue'),
-    'DOMString': TypeData(clazz='Primitive', dart_type='String', native_type='String'),
-    # TODO(vsm): This won't actually work until we convert the Map to
-    # a native JS Map for JS DOM.
-    'Dictionary': TypeData(clazz='Primitive', dart_type='Map', requires_v8_scope=True),
-    # TODO(sra): Flags is really a dictionary: {create:bool, exclusive:bool}
-    # http://dev.w3.org/2009/dap/file-system/file-dir-sys.html#the-flags-interface
-    'Flags': TypeData(clazz='Primitive', dart_type='Object'),
-    'DOMTimeStamp': TypeData(clazz='Primitive', dart_type='int', native_type='unsigned long long'),
-    'object': TypeData(clazz='Primitive', dart_type='Object', native_type='ScriptValue'),
-    'ObjectArray': TypeData(clazz='Primitive', dart_type='List'),
-    'PositionOptions': TypeData(clazz='Primitive', dart_type='Object'),
-    # TODO(sra): Come up with some meaningful name so that where this appears in
-    # the documentation, the user is made aware that only a limited subset of
-    # serializable types are actually permitted.
-    'SerializedScriptValue': TypeData(clazz='Primitive', dart_type='dynamic'),
-    # TODO(sra): Flags is really a dictionary: {create:bool, exclusive:bool}
-    # http://dev.w3.org/2009/dap/file-system/file-dir-sys.html#the-flags-interface
-    'WebKitFlags': TypeData(clazz='Primitive', dart_type='Object'),
-
-    'sequence': TypeData(clazz='Primitive', dart_type='List'),
-    'void': TypeData(clazz='Primitive', dart_type='void'),
-
-    'CSSRule': TypeData(clazz='Interface', conversion_includes=['CSSImportRule']),
-    'DOMException': TypeData(clazz='Interface', native_type='DOMCoreException'),
-    'DOMStringMap': TypeData(clazz='Interface', dart_type='Map<String, String>'),
-    'DOMWindow': TypeData(clazz='Interface', custom_to_dart=True),
-    'Element': TypeData(clazz='Interface', merged_interface='HTMLElement',
-        custom_to_dart=True),
-    'EventListener': TypeData(clazz='Interface', custom_to_native=True),
-    'EventTarget': TypeData(clazz='Interface', custom_to_native=True),
-    'HTMLElement': TypeData(clazz='Interface', merged_into='Element',
-        custom_to_dart=True),
-    'IDBAny': TypeData(clazz='Interface', dart_type='dynamic', custom_to_native=True),
-    'IDBKey': TypeData(clazz='Interface', dart_type='dynamic', custom_to_native=True),
-    'MutationRecordArray': TypeData(clazz='Interface',  # C++ pass by pointer.
-        native_type='MutationRecordArray', dart_type='List<MutationRecord>'),
-    'StyleSheet': TypeData(clazz='Interface', conversion_includes=['CSSStyleSheet']),
-    'SVGElement': TypeData(clazz='Interface', custom_to_dart=True),
-
-    'ClientRectList': TypeData(clazz='Interface',
-        item_type='ClientRect', suppress_interface=True),
-    'CSSRuleList': TypeData(clazz='Interface',
-        item_type='CSSRule', suppress_interface=True),
-    'CSSValueList': TypeData(clazz='Interface',
-        item_type='CSSValue', suppress_interface=True),
-    'DOMMimeTypeArray': TypeData(clazz='Interface', item_type='DOMMimeType'),
-    'DOMPluginArray': TypeData(clazz='Interface', item_type='DOMPlugin'),
-    'DOMStringList': TypeData(clazz='Interface', item_type='DOMString',
-        dart_type='List<String>', custom_to_native=True),
-    'EntryArray': TypeData(clazz='Interface', item_type='Entry',
-        suppress_interface=True),
-    'EntryArraySync': TypeData(clazz='Interface', item_type='EntrySync',
-        suppress_interface=True),
-    'FileList': TypeData(clazz='Interface', item_type='File',
-        dart_type='List<File>'),
-    'GamepadList': TypeData(clazz='Interface', item_type='Gamepad',
-        suppress_interface=True),
-    'HTMLAllCollection': TypeData(clazz='Interface', item_type='Node'),
-    'HTMLCollection': TypeData(clazz='Interface', item_type='Node'),
-    'MediaStreamList': TypeData(clazz='Interface',
-        item_type='MediaStream', suppress_interface=True),
-    'NamedNodeMap': TypeData(clazz='Interface', item_type='Node'),
-    'NodeList': TypeData(clazz='Interface', item_type='Node',
-                         suppress_interface=False, dart_type='List<Node>'),
-    'SVGElementInstanceList': TypeData(clazz='Interface',
-        item_type='SVGElementInstance', suppress_interface=True),
-    'SourceBufferList': TypeData(clazz='Interface', item_type='SourceBuffer'),
-    'SpeechGrammarList': TypeData(clazz='Interface', item_type='SpeechGrammar'),
-    'SpeechInputResultList': TypeData(clazz='Interface',
-        item_type='SpeechInputResult', suppress_interface=True),
-    'SpeechRecognitionResultList': TypeData(clazz='Interface',
-        item_type='SpeechRecognitionResult', suppress_interface=True),
-    'SQLResultSetRowList': TypeData(clazz='Interface', item_type='Dictionary'),
-    'StyleSheetList': TypeData(clazz='Interface',
-        item_type='StyleSheet', suppress_interface=True),
-    'TextTrackCueList': TypeData(clazz='Interface', item_type='TextTrackCue'),
-    'TextTrackList': TypeData(clazz='Interface', item_type='TextTrack'),
-    'TouchList': TypeData(clazz='Interface', item_type='Touch'),
-    'WebKitAnimationList': TypeData(clazz='Interface',
-        item_type='WebKitAnimation', suppress_interface=True),
-
-    'Float32Array': TypedArrayTypeData('double'),
-    'Float64Array': TypedArrayTypeData('double'),
-    'Int8Array': TypedArrayTypeData('int'),
-    'Int16Array': TypedArrayTypeData('int'),
-    'Int32Array': TypedArrayTypeData('int'),
-    'Uint8Array': TypedArrayTypeData('int'),
-    'Uint16Array': TypedArrayTypeData('int'),
-    'Uint32Array': TypedArrayTypeData('int'),
-
-    'SVGAngle': TypeData(clazz='SVGTearOff'),
-    'SVGLength': TypeData(clazz='SVGTearOff'),
-    'SVGLengthList': TypeData(clazz='SVGTearOff', item_type='SVGLength'),
-    'SVGMatrix': TypeData(clazz='SVGTearOff'),
-    'SVGNumber': TypeData(clazz='SVGTearOff', native_type='SVGPropertyTearOff<float>'),
-    'SVGNumberList': TypeData(clazz='SVGTearOff', item_type='SVGNumber'),
-    'SVGPathSegList': TypeData(clazz='SVGTearOff', item_type='SVGPathSeg',
-        native_type='SVGPathSegListPropertyTearOff'),
-    'SVGPoint': TypeData(clazz='SVGTearOff', native_type='SVGPropertyTearOff<FloatPoint>'),
-    'SVGPointList': TypeData(clazz='SVGTearOff'),
-    'SVGPreserveAspectRatio': TypeData(clazz='SVGTearOff'),
-    'SVGRect': TypeData(clazz='SVGTearOff', native_type='SVGPropertyTearOff<FloatRect>'),
-    'SVGStringList': TypeData(clazz='SVGTearOff', item_type='DOMString',
-        native_type='SVGStaticListPropertyTearOff<SVGStringList>'),
-    'SVGTransform': TypeData(clazz='SVGTearOff'),
-    'SVGTransformList': TypeData(clazz='SVGTearOff', item_type='SVGTransform',
-        native_type='SVGTransformListPropertyTearOff'),
-}
-
-_svg_supplemental_includes = [
-    '"SVGAnimatedPropertyTearOff.h"',
-    '"SVGAnimatedListPropertyTearOff.h"',
-    '"SVGStaticListPropertyTearOff.h"',
-    '"SVGAnimatedListPropertyTearOff.h"',
-    '"SVGTransformListPropertyTearOff.h"',
-    '"SVGPathSegListPropertyTearOff.h"',
-]
-
-class TypeRegistry(object):
-  def __init__(self, database, renamer=None):
-    self._database = database
-    self._renamer = renamer
-    self._cache = {}
-
-  def TypeInfo(self, type_name):
-    if not type_name in self._cache:
-      self._cache[type_name] = self._TypeInfo(type_name)
-    return self._cache[type_name]
-
-  def DartType(self, type_name):
-    return self.TypeInfo(type_name).dart_type()
-
-  def _TypeInfo(self, type_name):
-    match = re.match(r'(?:sequence<(\w+)>|(\w+)\[\])$', type_name)
-    if match:
-      if type_name == 'DOMString[]':
-        return DOMStringArrayTypeInfo(TypeData('Sequence'), self.TypeInfo('DOMString'))
-      item_info = self.TypeInfo(match.group(1) or match.group(2))
-      return SequenceIDLTypeInfo(type_name, TypeData('Sequence'), item_info)
-
-    if not type_name in _idl_type_registry:
-      interface = self._database.GetInterface(type_name)
-      if 'Callback' in interface.ext_attrs:
-        return CallbackIDLTypeInfo(type_name, TypeData('Callback',
-            self._renamer.DartifyTypeName(type_name)))
-      return InterfaceIDLTypeInfo(
-          type_name,
-          TypeData('Interface'),
-          self._renamer.RenameInterface(interface),
-          self)
-
-    type_data = _idl_type_registry.get(type_name)
-
-    if type_data.clazz == 'Interface':
-      if self._database.HasInterface(type_name):
-        dart_interface_name = self._renamer.RenameInterface(
-            self._database.GetInterface(type_name))
-      else:
-        dart_interface_name = self._renamer.DartifyTypeName(type_name)
-      return InterfaceIDLTypeInfo(type_name, type_data, dart_interface_name,
-                                  self)
-
-    if type_data.clazz == 'SVGTearOff':
-      dart_interface_name = self._renamer.RenameInterface(
-          self._database.GetInterface(type_name))
-      return SVGTearOffIDLTypeInfo(
-          type_name, type_data, dart_interface_name, self)
-
-    class_name = '%sIDLTypeInfo' % type_data.clazz
-    return globals()[class_name](type_name, type_data)