| # Copyright 2024 The Bazel Authors. All rights reserved. |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| """Rules to turn action types into bazel labels.""" |
| |
| load("//cc/toolchains/impl:collect.bzl", "collect_action_types") |
| load(":cc_toolchain_info.bzl", "ActionTypeInfo", "ActionTypeSetInfo") |
| |
| visibility("public") |
| |
| def _cc_action_type_impl(ctx): |
| action_type = ActionTypeInfo(label = ctx.label, name = ctx.attr.action_name) |
| return [ |
| action_type, |
| ActionTypeSetInfo( |
| label = ctx.label, |
| actions = depset([action_type]), |
| ), |
| ] |
| |
| cc_action_type = rule( |
| implementation = _cc_action_type_impl, |
| attrs = { |
| "action_name": attr.string( |
| mandatory = True, |
| ), |
| }, |
| doc = """A type of action (eg. c_compile, assemble, strip). |
| |
| Example: |
| |
| load("@rules_cc//cc:action_names.bzl", "ACTION_NAMES") |
| |
| cc_action_type( |
| name = "cpp_compile", |
| action_name = = ACTION_NAMES.cpp_compile, |
| ) |
| """, |
| provides = [ActionTypeInfo, ActionTypeSetInfo], |
| ) |
| |
| def _cc_action_type_set_impl(ctx): |
| if not ctx.attr.actions: |
| fail("Each cc_action_type_set must contain at least one action type.") |
| return [ActionTypeSetInfo( |
| label = ctx.label, |
| actions = collect_action_types(ctx.attr.actions), |
| )] |
| |
| cc_action_type_set = rule( |
| doc = """Represents a set of actions. |
| |
| Example: |
| |
| cc_action_type_set( |
| name = "link_executable_actions", |
| actions = [ |
| ":cpp_link_executable", |
| ":lto_index_for_executable", |
| ], |
| ) |
| """, |
| implementation = _cc_action_type_set_impl, |
| attrs = { |
| "actions": attr.label_list( |
| providers = [ActionTypeSetInfo], |
| mandatory = True, |
| doc = "A list of cc_action_type or cc_action_type_set", |
| ), |
| }, |
| provides = [ActionTypeSetInfo], |
| ) |