def member_impl_context()

in bindings/scripts/v8_dictionary.py [0:0]

• 51 lines of code
• 16 McCabe index (conditional complexity)

def member_impl_context(member, interfaces_info, header_includes,
                        header_forward_decls):
    idl_type = unwrap_nullable_if_needed(member.idl_type)
    cpp_name = to_snake_case(v8_utilities.cpp_name(member))

    nullable_indicator_name = None
    if not idl_type.cpp_type_has_null_value:
        nullable_indicator_name = 'has_' + cpp_name + '_'

    def has_method_expression():
        if nullable_indicator_name:
            return nullable_indicator_name
        if idl_type.is_union_type or idl_type.is_enum or idl_type.is_string_type:
            return '!%s_.IsNull()' % cpp_name
        if idl_type.name in ['Any', 'Object']:
            return '!({0}_.IsEmpty() || {0}_.IsNull() || {0}_.IsUndefined())'.format(cpp_name)
        if idl_type.name == 'Dictionary':
            return '!%s_.IsUndefinedOrNull()' % cpp_name
        return '%s_' % cpp_name

    cpp_default_value = None
    if member.default_value and not member.default_value.is_null:
        cpp_default_value = idl_type.literal_cpp_value(member.default_value)

    forward_decl_name = idl_type.impl_forward_declaration_name
    if forward_decl_name:
        includes.update(idl_type.impl_includes_for_type(interfaces_info))
        header_forward_decls.add(forward_decl_name)
    else:
        header_includes.update(idl_type.impl_includes_for_type(interfaces_info))

    setter_value = 'value'
    if idl_type.is_array_buffer_view_or_typed_array:
        setter_value += '.View()'

    non_null_type = idl_type.inner_type if idl_type.is_nullable else idl_type
    setter_inline = 'inline ' if (
        non_null_type.is_basic_type or
        non_null_type.is_enum or
        non_null_type.is_wrapper_type) else ''

    return {
        'cpp_default_value': cpp_default_value,
        'cpp_name': cpp_name,
        'getter_expression': cpp_name + '_',
        'getter_name': getter_name_for_dictionary_member(member),
        'has_method_expression': has_method_expression(),
        'has_method_name': has_method_name_for_dictionary_member(member),
        'is_nullable': idl_type.is_nullable,
        'is_traceable': idl_type.is_traceable,
        'member_cpp_type': idl_type.cpp_type_args(used_in_cpp_sequence=True),
        'null_setter_name': null_setter_name_for_dictionary_member(member),
        'nullable_indicator_name': nullable_indicator_name,
        'rvalue_cpp_type': idl_type.cpp_type_args(used_as_rvalue_type=True),
        'setter_inline': setter_inline,
        'setter_name': setter_name_for_dictionary_member(member),
        'setter_value': setter_value,
    }