Remove lib/dom directory!

lib/dom/scripts/generator.py

Index: lib/dom/scripts/generator.py
===================================================================
--- lib/dom/scripts/generator.py	(revision 12066)
+++ lib/dom/scripts/generator.py	(working copy)
@@ -1,883 +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
-
-_pure_interfaces = set([
-    # TODO(sra): DOMStringMap should be a class implementing Map<String,String>.
-    'DOMStringMap',
-    'ElementTimeControl',
-    'ElementTraversal',
-    'MediaQueryListListener',
-    'NodeSelector',
-    'SVGExternalResourcesRequired',
-    'SVGFilterPrimitiveStandardAttributes',
-    'SVGFitToViewBox',
-    'SVGLangSpace',
-    'SVGLocatable',
-    'SVGStylable',
-    'SVGTests',
-    'SVGTransformable',
-    'SVGURIReference',
-    'SVGZoomAndPan',
-    'TimeoutHandler'])
-
-def IsPureInterface(interface_name):
-  return interface_name in _pure_interfaces
-
-#
-# 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 ListImplementationInfo(interface, database):
-  """Returns a tuple (elment_type, requires_indexer).
-  If interface do not have to implement List, element_type is None.
-  Otherwise element_type is list element type and requires_indexer
-  is true iff this interface implementation must have indexer and
-  false otherwise.  False means that interface implementation
-  inherits indexer and may just reuse it."""
-  element_type = MaybeListElementType(interface)
-  if element_type:
-    return (element_type, True)
-
-  for parent in interface.parents:
-    if database.HasInterface(parent.type.id):
-      parent_interface = database.GetInterface(parent.type.id)
-      (element_type, _) = ListImplementationInfo(parent_interface, database)
-      if element_type:
-        return (element_type, False)
-
-  return (None, None)
-
-
-def MaybeListElementTypeName(type_name):
-  """Returns the List element type T from string of form "List<T>", or None."""
-  match = re.match(r'sequence<(\w*)>$', type_name)
-  if match:
-    return match.group(1)
-  return None
-
-def MaybeListElementType(interface):
-  """Returns the List element type T, or None in interface does not implement
-  List<T>.
-  """
-  for parent in interface.parents:
-    element_type = MaybeListElementTypeName(parent.type.id)
-    if element_type:
-      return element_type
-  return None
-
-def MaybeTypedArrayElementType(interface):
-  """Returns the typed array element type, or None in interface is not a
-  TypedArray.
-  """
-  # Typed arrays implement ArrayBufferView and List<T>.
-  for parent in interface.parents:
-    if parent.type.id == 'ArrayBufferView':
-      return MaybeListElementType(interface)
-  return None
-
-def MaybeTypedArrayElementTypeInHierarchy(interface, database):
-  """Returns the typed array element type, or None in interface is not a
-  TypedArray.  Checks the whole parent hierarchy.
-  """
-  element_type = MaybeTypedArrayElementType(interface)
-  if element_type:
-    return element_type
-  for parent in interface.parents:
-    if database.HasInterface(parent.type.id):
-      parent_interface = database.GetInterface(parent.type.id)
-      element_type = MaybeTypedArrayElementType(parent_interface)
-      if element_type:
-        return element_type
-
-  return None
-
-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
-
-
-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
-
-
-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.
-    dart_type: DartType of parameter.
-    is_optional: Parameter optionality.
-  """
-  def __init__(self, name, type_id, dart_type, is_optional):
-    self.name = name
-    self.type_id = type_id
-    self.dart_type = dart_type
-    self.is_optional = is_optional
-
-  def Copy(self):
-    return ParamInfo(self.name, self.type_id, self.dart_type, self.is_optional)
-
-  def __repr__(self):
-    content = 'name = %s, type_id = %s, dart_type = %s, is_optional = %s' % (
-        self.name, self.type_id, self.dart_type, self.is_optional)
-    return '<ParamInfo(%s)>' % content
-
-
-# Given a list of overloaded arguments, render a dart argument.
-def _DartArg(args, interface, constructor=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)))
-
-  # Given a list of overloaded arguments, choose a suitable type.
-  def OverloadedType(args):
-    type_ids = sorted(set(arg.type.id for arg in args))
-    dart_types = sorted(set(DartType(arg.type.id) for arg in args))
-    if len(dart_types) == 1:
-      if len(type_ids) == 1:
-        return (type_ids[0], type_ids[0])
-      else:
-        return (None, type_ids[0])
-    else:
-      return (None, TypeName(type_ids, interface))
-
-  def IsOptional(argument):
-    if not argument:
-      return True
-    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
-
-  filtered = filter(None, args)
-  is_optional = any(IsOptional(arg) for arg in args)
-  (type_id, dart_type) = OverloadedType(filtered)
-  name = OverloadedName(filtered)
-  return ParamInfo(name, type_id, dart_type, is_optional)
-
-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.
-  args = map(lambda *args: _DartArg(args, interface),
-             *(op.arguments for op in split_operations))
-
-  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 = args
-  return info
-
-
-def AnalyzeConstructor(interface):
-  """Returns an OperationInfo object for the constructor.
-
-  Returns None if the interface has no Constructor.
-  """
-  def GetArgs(func_value):
-    return map(lambda arg: _DartArg([arg], interface, True),
-               func_value.arguments)
-
-  if 'Constructor' in interface.ext_attrs:
-    name = None
-    func_value = interface.ext_attrs.get('Constructor')
-    if func_value:
-      # [Constructor(param,...)]
-      args = GetArgs(func_value)
-      idl_args = func_value.arguments
-    else: # [Constructor]
-      args = []
-      idl_args = []
-  else:
-    func_value = interface.ext_attrs.get('NamedConstructor')
-    if func_value:
-      name = func_value.id
-      args = GetArgs(func_value)
-      idl_args = func_value.arguments
-    else:
-      return None
-
-  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
-  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(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.
-  """
-
-  def ParametersInterfaceDeclaration(self, rename_type):
-    """Returns a formatted string declaring the parameters for the interface."""
-    return self._FormatParams(
-        self.param_infos, None,
-        lambda param: TypeOrNothing(rename_type(param.dart_type), param.type_id))
-
-  def ParametersImplementationDeclaration(
-      self, rename_type, default_value='null'):
-    """Returns a formatted string declaring the parameters for the
-    implementation.
-
-    Args:
-      rename_type: A function that allows the types to be renamed.
-        The function is applied to the parameter's dart_type.
-    """
-    return self._FormatParams(
-        self.param_infos, default_value,
-        lambda param: TypeOrNothing(rename_type(param.dart_type)))
-
-  def ParametersAsArgumentList(self):
-    """Returns a string of the parameter names suitable for passing the
-    parameters as arguments.
-    """
-    return ', '.join(map(lambda param_info: param_info.name, self.param_infos))
-
-  def _FormatParams(self, params, default_value, type_fn):
-    def FormatParam(param):
-      """Returns a parameter declaration fragment for an ParamInfo."""
-      type = type_fn(param)
-      if param.is_optional and default_value and default_value != 'null':
-        return '%s%s = %s' % (type, param.name, default_value)
-      return '%s%s' % (type, param.name)
-
-    required = []
-    optional = []
-    for param_info in params:
-      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:
-      argtexts.append('[' + ', '.join(map(FormatParam, optional)) + ']')
-    return ', '.join(argtexts)
-
-  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):
-    if self.constructor_name:
-      return self.type_name + '.' + self.constructor_name
-    else:
-      return self.type_name
-
-  def CopyAndWidenDefaultParameters(self):
-    """Returns equivalent OperationInfo, but default parameters are Dynamic."""
-    info = copy.copy(self)
-    info.param_infos = [param.Copy() for param in self.param_infos]
-    for param in info.param_infos:
-      if param.is_optional:
-        param.dart_type = 'Dynamic'
-    return info
-
-
-def ConstantOutputOrder(a, b):
-  """Canonical output ordering for constants."""
-  if a.id < b.id: return -1
-  if a.id > b.id: return 1
-  return 0
-
-
-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
-#  TYPE -> "DIRECTION INTERFACE.*" -> conversion
-#  TYPE -> "DIRECTION" -> conversion
-#
-# where DIRECTION is 'get' for getters and operation return values, 'set' for
-# setters and operation arguments.  INTERFACE and MEMBER are the idl names.
-#
-dart2js_conversions = {
-    'IDBKey': {
-        'get':
-          Conversion('_convertNativeToDart_IDBKey', 'Dynamic', 'Dynamic'),
-        'set':
-          Conversion('_convertDartToNative_IDBKey', 'Dynamic', 'Dynamic'),
-        },
-    'ImageData': {
-        'get':
-          Conversion('_convertNativeToDart_ImageData', 'Dynamic', 'ImageData'),
-        'set':
-          Conversion('_convertDartToNative_ImageData', 'ImageData', 'Dynamic')
-        },
-    'Dictionary': {
-        'get':
-          Conversion('_convertNativeToDart_Dictionary', 'Dynamic', 'Map'),
-        'set':
-          Conversion('_convertDartToNative_Dictionary', 'Map', 'Dynamic'),
-        },
-
-    'DOMString[]': {
-        'set':
-          Conversion(
-              '_convertDartToNative_StringArray', 'List<String>', 'List'),
-        },
-
-    'SerializedScriptValue': {
-        'set IDBObjectStore.add':
-          Conversion('_convertDartToNative_SerializedScriptValue',
-                     'Dynamic', 'Dynamic'),
-        'set IDBObjectStore.put':
-          Conversion('_convertDartToNative_SerializedScriptValue',
-                     'Dynamic', 'Dynamic'),
-        'set IDBCursor.update':
-          Conversion('_convertDartToNative_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.
-        '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.
-        'get IDBCursor.source': None,
-
-        # Should be either a DOMString, an Array of DOMStrings or null.
-        'get IDBObjectStore.keyPath': None
-        },
-}
-
-def FindConversion(idl_type, direction, interface, member):
-  table = dart2js_conversions.get(idl_type)
-  if table:
-    return (table.get('%s %s.%s' % (direction, interface, member)) or
-            table.get('%s %s.*' % (direction, interface)) or
-            table.get(direction))
-  return None
-
-# ------------------------------------------------------------------------------
-
-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 native_type(self):
-    return self._data.native_type or self._idl_type
-
-  def requires_v8_scope(self):
-    return self._data.requires_v8_scope
-
-  def to_native_info(self, idl_node, interface_name):
-    cls = 'Dart%s' % self.idl_type()
-
-    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 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):
-    super(InterfaceIDLTypeInfo, 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 to_dart_conversion(self, value, interface_name=None, attributes=None):
-    return 'DartDOMWrapper::vectorToDart<Dart%s>(%s)' % (self._item_info.native_type(), 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'
-
-
-class PrimitiveIDLTypeInfo(IDLTypeInfo):
-  def __init__(self, idl_type, data):
-    super(PrimitiveIDLTypeInfo, self).__init__(idl_type, data)
-
-  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(IDLTypeInfo):
-  def __init__(self, idl_type, data):
-    super(SVGTearOffIDLTypeInfo, self).__init__(idl_type, data)
-
-  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,
-               custom_to_dart=None, custom_to_native=None,
-               conversion_includes=None,
-               webcore_getter_name='getAttribute',
-               webcore_setter_name='setAttribute',
-               requires_v8_scope=False):
-    self.clazz = clazz
-    self.dart_type = dart_type
-    self.native_type = native_type
-    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
-
-
-_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'),
-    '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'),
-    'DOMStringList': TypeData(clazz='Interface', dart_type='List<String>', custom_to_native=True),
-    'DOMStringMap': TypeData(clazz='Interface', dart_type='Map<String, String>'),
-    'DOMWindow': TypeData(clazz='Interface', custom_to_dart=True),
-    'Element': TypeData(clazz='Interface', custom_to_dart=True),
-    'EventListener': TypeData(clazz='Interface', custom_to_native=True),
-    'EventTarget': TypeData(clazz='Interface', custom_to_native=True),
-    'HTMLElement': TypeData(clazz='Interface', 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),
-
-    'SVGAngle': TypeData(clazz='SVGTearOff'),
-    'SVGLength': TypeData(clazz='SVGTearOff'),
-    'SVGLengthList': TypeData(clazz='SVGTearOff'),
-    'SVGMatrix': TypeData(clazz='SVGTearOff'),
-    'SVGNumber': TypeData(clazz='SVGTearOff', native_type='SVGPropertyTearOff<float>'),
-    'SVGNumberList': TypeData(clazz='SVGTearOff'),
-    'SVGPathSegList': TypeData(clazz='SVGTearOff', 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', native_type='SVGStaticListPropertyTearOff<SVGStringList>'),
-    'SVGTransform': TypeData(clazz='SVGTearOff'),
-    'SVGTransformList': TypeData(clazz='SVGTearOff', 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):
-    dart_type = self.TypeInfo(type_name).dart_type()
-    if self._database.HasInterface(dart_type):
-      interface = self._database.GetInterface(dart_type)
-      if self._renamer:
-        return self._renamer.RenameInterface(interface)
-      else:
-        return interface.id
-    return 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:
-      return InterfaceIDLTypeInfo(type_name, TypeData('Interface'))
-    type_data = _idl_type_registry.get(type_name)
-    class_name = '%sIDLTypeInfo' % type_data.clazz
-    return globals()[class_name](type_name, type_data)