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136 lines
5.1 KiB
Python
136 lines
5.1 KiB
Python
# Copyright (C) 2013 Google Inc. All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are
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# met:
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#
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above
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# copyright notice, this list of conditions and the following disclaimer
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# in the documentation and/or other materials provided with the
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# distribution.
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# * Neither the name of Google Inc. nor the names of its
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# contributors may be used to endorse or promote products derived from
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# this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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"""Functions shared by various parts of the code generator.
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Extends IdlType and IdlUnion type with |enum_validation_expression| property.
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Design doc: http://www.chromium.org/developers/design-documents/idl-compiler
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"""
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################################################################################
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# Utility function exposed for Dart CodeGenerator. Only 6 methods are special
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# to Dart the rest delegate to the v8_utilities functions.
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################################################################################
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import v8_types # Required
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import v8_utilities
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def _scoped_name(interface, definition, base_name):
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# partial interfaces are implemented as separate classes, with their members
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# implemented as static member functions
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partial_interface_implemented_as = definition.extended_attributes.get('PartialInterfaceImplementedAs')
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if partial_interface_implemented_as:
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return '%s::%s' % (partial_interface_implemented_as, base_name)
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if (definition.is_static or
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definition.name in ('Constructor', 'NamedConstructor')):
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return '%s::%s' % (v8_utilities.cpp_name(interface), base_name)
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return 'receiver->%s' % base_name
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def _bool_to_cpp(tf):
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return "true" if tf else "false"
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# [CallWith]
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_CALL_WITH_ARGUMENTS = {
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'ScriptState': 'state',
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'ExecutionContext': 'context',
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'ScriptArguments': 'scriptArguments.release()',
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'ActiveWindow': 'DOMDartState::CurrentWindow()',
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'FirstWindow': 'DOMDartState::CurrentWindow()',
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'Document': 'document',
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}
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# List because key order matters, as we want arguments in deterministic order
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_CALL_WITH_VALUES = [
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'ScriptState',
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'ExecutionContext',
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'ScriptArguments',
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'ActiveWindow',
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'FirstWindow',
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'Document',
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]
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def _call_with_arguments(call_with_values):
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if not call_with_values:
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return []
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return [_CALL_WITH_ARGUMENTS[value]
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for value in _CALL_WITH_VALUES
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if v8_utilities.extended_attribute_value_contains(call_with_values, value)]
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def _generate_native_entry(interface_name, name, kind, is_static, arity):
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if kind == 'Getter':
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suffix = "_Getter"
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elif kind == 'Setter':
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suffix = "_Setter"
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elif kind == 'Constructor':
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name = "constructor"
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suffix = "Callback"
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elif kind == 'Method':
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suffix = "_Callback"
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tag = "%s%s" % (name, suffix)
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native_entry = "_".join([interface_name, tag])
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argument_names = ['__arg_%d' % i for i in range(0, arity)]
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return {'blink_entry': name,
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'argument_names': argument_names,
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'resolver_string': native_entry}
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################################################################################
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# This is the monkey patched methods most delegate to v8_utilities but some are
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# overridden in dart_utilities.
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################################################################################
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class dart_utilities_monkey():
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def __init__(self):
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self.base_class_name = 'dart_utilities'
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DartUtilities = dart_utilities_monkey()
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DartUtilities.bool_to_cpp = _bool_to_cpp
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DartUtilities.call_with_arguments = _call_with_arguments
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DartUtilities.capitalize = v8_utilities.capitalize
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DartUtilities.cpp_name = v8_utilities.cpp_name
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DartUtilities.extended_attribute_value_contains = v8_utilities.extended_attribute_value_contains
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DartUtilities.generate_native_entry = _generate_native_entry
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DartUtilities.has_extended_attribute = v8_utilities.has_extended_attribute
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DartUtilities.has_extended_attribute_value = v8_utilities.has_extended_attribute_value
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DartUtilities.scoped_name = _scoped_name
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DartUtilities.strip_suffix = v8_utilities.strip_suffix
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DartUtilities.uncapitalize = v8_utilities.uncapitalize
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