mirror of
https://github.com/flutter/flutter.git
synced 2026-02-20 02:29:02 +08:00
137 lines
4.6 KiB
Python
137 lines
4.6 KiB
Python
# Copyright 2014 The Chromium Authors. All rights reserved.
|
|
# Use of this source code is governed by a BSD-style license that can be
|
|
# found in the LICENSE file.
|
|
|
|
"""Generate template contexts of dictionaries for both v8 bindings and
|
|
implementation classes that are used by blink's core/modules.
|
|
"""
|
|
|
|
import operator
|
|
from v8_globals import includes
|
|
import v8_types
|
|
import v8_utilities
|
|
|
|
|
|
DICTIONARY_H_INCLUDES = frozenset([
|
|
'bindings/core/v8/V8Binding.h',
|
|
'platform/heap/Handle.h',
|
|
])
|
|
|
|
DICTIONARY_CPP_INCLUDES = frozenset([
|
|
# FIXME: Remove this, http://crbug.com/321462
|
|
'bindings/core/v8/Dictionary.h',
|
|
])
|
|
|
|
|
|
def setter_name_for_dictionary_member(member):
|
|
return 'set%s' % v8_utilities.capitalize(member.name)
|
|
|
|
|
|
def has_method_name_for_dictionary_member(member):
|
|
return 'has%s' % v8_utilities.capitalize(member.name)
|
|
|
|
|
|
# Context for V8 bindings
|
|
|
|
def dictionary_context(dictionary):
|
|
includes.clear()
|
|
includes.update(DICTIONARY_CPP_INCLUDES)
|
|
return {
|
|
'cpp_class': v8_utilities.cpp_name(dictionary),
|
|
'header_includes': set(DICTIONARY_H_INCLUDES),
|
|
'members': [member_context(member)
|
|
for member in sorted(dictionary.members,
|
|
key=operator.attrgetter('name'))],
|
|
'v8_class': v8_utilities.v8_class_name(dictionary),
|
|
}
|
|
|
|
|
|
def member_context(member):
|
|
idl_type = member.idl_type
|
|
idl_type.add_includes_for_type()
|
|
|
|
def idl_type_for_default_value():
|
|
if idl_type.is_nullable:
|
|
return idl_type.inner_type
|
|
return idl_type
|
|
|
|
def default_values():
|
|
if not member.default_value:
|
|
return None, None
|
|
if member.default_value.is_null:
|
|
return None, 'v8::Null(isolate)'
|
|
cpp_default_value = str(member.default_value)
|
|
v8_default_value = idl_type_for_default_value().cpp_value_to_v8_value(
|
|
cpp_value=cpp_default_value, isolate='isolate',
|
|
creation_context='creationContext')
|
|
return cpp_default_value, v8_default_value
|
|
|
|
cpp_default_value, v8_default_value = default_values()
|
|
|
|
return {
|
|
'cpp_default_value': cpp_default_value,
|
|
'cpp_type': idl_type.cpp_type,
|
|
'cpp_value_to_v8_value': idl_type.cpp_value_to_v8_value(
|
|
cpp_value='impl->%s()' % member.name, isolate='isolate',
|
|
creation_context='creationContext',
|
|
extended_attributes=member.extended_attributes),
|
|
'has_method_name': has_method_name_for_dictionary_member(member),
|
|
'name': member.name,
|
|
'setter_name': setter_name_for_dictionary_member(member),
|
|
'v8_default_value': v8_default_value,
|
|
}
|
|
|
|
|
|
# Context for implementation classes
|
|
|
|
def dictionary_impl_context(dictionary, interfaces_info):
|
|
includes.clear()
|
|
header_includes = set(['platform/heap/Handle.h'])
|
|
return {
|
|
'header_includes': header_includes,
|
|
'cpp_class': v8_utilities.cpp_name(dictionary),
|
|
'members': [member_impl_context(member, interfaces_info,
|
|
header_includes)
|
|
for member in dictionary.members],
|
|
}
|
|
|
|
|
|
def member_impl_context(member, interfaces_info, header_includes):
|
|
idl_type = member.idl_type
|
|
|
|
def getter_expression():
|
|
if idl_type.impl_should_use_nullable_container:
|
|
return 'm_%s.get()' % member.name
|
|
return 'm_%s' % member.name
|
|
|
|
def has_method_expression():
|
|
if (idl_type.impl_should_use_nullable_container or
|
|
idl_type.is_string_type):
|
|
return '!m_%s.isNull()' % member.name
|
|
else:
|
|
return 'm_%s' % member.name
|
|
|
|
def member_cpp_type():
|
|
member_cpp_type = idl_type.cpp_type_args(used_in_cpp_sequence=True)
|
|
if idl_type.impl_should_use_nullable_container:
|
|
return v8_types.cpp_template_type('Nullable', member_cpp_type)
|
|
return member_cpp_type
|
|
|
|
cpp_default_value = None
|
|
if member.default_value and not member.default_value.is_null:
|
|
cpp_default_value = str(member.default_value)
|
|
|
|
header_includes.update(idl_type.impl_includes_for_type(interfaces_info))
|
|
return {
|
|
'cpp_default_value': cpp_default_value,
|
|
'getter_expression': getter_expression(),
|
|
'has_method_expression': has_method_expression(),
|
|
'has_method_name': has_method_name_for_dictionary_member(member),
|
|
'is_traceable': (idl_type.is_garbage_collected or
|
|
idl_type.is_will_be_garbage_collected),
|
|
'member_cpp_type': member_cpp_type(),
|
|
'name': member.name,
|
|
'rvalue_cpp_type': idl_type.cpp_type_args(used_as_rvalue_type=True),
|
|
'setter_name': setter_name_for_dictionary_member(member),
|
|
}
|