1# Copyright 2024 The Bazel Authors. All rights reserved. 2# 3# Licensed under the Apache License, Version 2.0 (the "License"); 4# you may not use this file except in compliance with the License. 5# You may obtain a copy of the License at 6# 7# http://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, 11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12# See the License for the specific language governing permissions and 13# limitations under the License. 14"""Rule for mutually exclusive categories in the rule based toolchain.""" 15 16load(":cc_toolchain_info.bzl", "MutuallyExclusiveCategoryInfo") 17 18def _cc_mutually_exclusive_category_impl(ctx): 19 return [MutuallyExclusiveCategoryInfo( 20 label = ctx.label, 21 name = str(ctx.label), 22 )] 23 24cc_mutually_exclusive_category = rule( 25 implementation = _cc_mutually_exclusive_category_impl, 26 doc = "A category of features, for which only one can be enabled", 27 attrs = {}, 28 provides = [MutuallyExclusiveCategoryInfo], 29) 30