1# Copyright 2023 The Pigweed Authors 2# 3# Licensed under the Apache License, Version 2.0 (the "License"); you may not 4# use this file except in compliance with the License. You may obtain a copy of 5# the License at 6# 7# https://www.apache.org/licenses/LICENSE-2.0 8# 9# Unless required by applicable law or agreed to in writing, software 10# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 11# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 12# License for the specific language governing permissions and limitations under 13# the License. 14"""Implementation of the pw_cc_unsafe_feature rule.""" 15 16load( 17 ":providers.bzl", 18 "PwBuiltinFeatureInfo", 19 "PwFeatureConstraintInfo", 20 "PwFeatureInfo", 21 "PwFeatureSetInfo", 22) 23 24def _pw_cc_unsafe_feature_impl(ctx): 25 feature = PwFeatureInfo( 26 label = ctx.label, 27 name = ctx.attr.feature_name, 28 enabled = False, 29 flag_sets = depset([]), 30 implies_features = depset([]), 31 implies_action_configs = depset([]), 32 requires_any_of = tuple([]), 33 provides = depset([]), 34 known = True, 35 overrides = None, 36 ) 37 providers = [ 38 feature, 39 PwFeatureSetInfo(features = depset([feature])), 40 PwFeatureConstraintInfo(all_of = depset([feature]), none_of = depset([])), 41 ] 42 if ctx.attr.builtin: 43 providers.append(PwBuiltinFeatureInfo()) 44 return providers 45 46pw_cc_unsafe_feature = rule( 47 implementation = _pw_cc_unsafe_feature_impl, 48 attrs = { 49 "builtin": attr.bool( 50 doc = "Whether the feature is builtin, and can be overridden", 51 ), 52 "feature_name": attr.string( 53 mandatory = True, 54 doc = "The name of the feature", 55 ), 56 }, 57 provides = [PwFeatureInfo, PwFeatureSetInfo, PwFeatureConstraintInfo], 58 doc = "A declaration that a feature with this name is defined elsewhere.", 59) 60