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# 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.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following disclaimer
# in the documentation and/or other materials provided with the
# distribution.
# * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
"""Functions shared by various parts of the code generator.
Extends IdlType and IdlUnion type with |enum_validation_expression| property.
Design doc: http://www.chromium.org/developers/design-documents/idl-compiler
"""
################################################################################
# Utility function exposed for Dart CodeGenerator. Only 6 methods are special
# to Dart the rest delegate to the v8_utilities functions.
################################################################################
import v8_types # Required
import v8_utilities
def _scoped_name(interface, definition, base_name):
# partial interfaces are implemented as separate classes, with their members
# implemented as static member functions
partial_interface_implemented_as = definition.extended_attributes.get('PartialInterfaceImplementedAs')
if partial_interface_implemented_as:
return '%s::%s' % (partial_interface_implemented_as, base_name)
if (definition.is_static or
definition.name in ('Constructor', 'NamedConstructor')):
return '%s::%s' % (v8_utilities.cpp_name(interface), base_name)
return 'receiver->%s' % base_name
def _bool_to_cpp(tf):
return "true" if tf else "false"
# [ActivityLogging]
def _activity_logging_world_list(member, access_type=None):
"""Returns a set of world suffixes for which a definition member has activity logging, for specified access type.
access_type can be 'Getter' or 'Setter' if only checking getting or setting.
"""
if 'ActivityLogging' not in member.extended_attributes:
return set()
activity_logging = member.extended_attributes['ActivityLogging']
# [ActivityLogging=For*] (no prefix, starts with the worlds suffix) means
# "log for all use (method)/access (attribute)", otherwise check that value
# agrees with specified access_type (Getter/Setter).
has_logging = (activity_logging.startswith('For') or
(access_type and activity_logging.startswith(access_type)))
if not has_logging:
return set()
# TODO(terry): Remove Me?
# includes.add('bindings/v8/V8DOMActivityLogger.h')
if activity_logging.endswith('ForIsolatedWorlds'):
return set([''])
return set(['', 'ForMainWorld']) # endswith('ForAllWorlds')
# [CallWith]
_CALL_WITH_ARGUMENTS = {
'ScriptState': '&state',
'ExecutionContext': 'context',
'ScriptArguments': 'scriptArguments.release()',
'ActiveWindow': 'DartUtilities::callingDomWindowForCurrentIsolate()',
'FirstWindow': 'DartUtilities::enteredDomWindowForCurrentIsolate()',
}
# List because key order matters, as we want arguments in deterministic order
_CALL_WITH_VALUES = [
'ScriptState',
'ExecutionContext',
'ScriptArguments',
'ActiveWindow',
'FirstWindow',
]
def _call_with_arguments(member, call_with_values=None):
# Optional parameter so setter can override with [SetterCallWith]
call_with_values = call_with_values or member.extended_attributes.get('CallWith')
if not call_with_values:
return []
return [_CALL_WITH_ARGUMENTS[value]
for value in _CALL_WITH_VALUES
if v8_utilities.extended_attribute_value_contains(call_with_values, value)]
# [DeprecateAs]
def _deprecate_as(member):
extended_attributes = member.extended_attributes
if 'DeprecateAs' not in extended_attributes:
return None
# TODO(terry): Remove me?
# includes.add('core/frame/UseCounter.h')
return extended_attributes['DeprecateAs']
# [MeasureAs]
def _measure_as(definition_or_member):
extended_attributes = definition_or_member.extended_attributes
if 'MeasureAs' not in extended_attributes:
return None
# TODO(terry): Remove Me?
# includes.add('core/frame/UseCounter.h')
return extended_attributes['MeasureAs']
################################################################################
# This is the monkey patched methods most delegate to v8_utilities but some are
# overridden in dart_utilities.
################################################################################
class dart_utilities_monkey():
def __init__(self):
self.base_class_name = 'dart_utilities'
DartUtilities = dart_utilities_monkey()
DartUtilities.activity_logging_world_list = _activity_logging_world_list
DartUtilities.bool_to_cpp = _bool_to_cpp
DartUtilities.call_with_arguments = _call_with_arguments
DartUtilities.capitalize = v8_utilities.capitalize
DartUtilities.cpp_name = v8_utilities.cpp_name
DartUtilities.deprecate_as = _deprecate_as
DartUtilities.extended_attribute_value_contains = v8_utilities.extended_attribute_value_contains
DartUtilities.has_extended_attribute = v8_utilities.has_extended_attribute
DartUtilities.has_extended_attribute_value = v8_utilities.has_extended_attribute_value
DartUtilities.measure_as = _measure_as
DartUtilities.scoped_name = _scoped_name
DartUtilities.strip_suffix = v8_utilities.strip_suffix
DartUtilities.uncapitalize = v8_utilities.uncapitalize
DartUtilities.v8_class_name = v8_utilities.v8_class_name