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rules_cc/cc/toolchains/actions.bzl
Googler 35fe45e91b BEGIN_PUBLIC
Implement cc_args.

Also change cc_flag_set / cc_flag_group to cc_args / cc_arg_group. This is to lean into the idea that this is roughly equivalent to ctx.actions.args()
END_PUBLIC

PiperOrigin-RevId: 608804069
Change-Id: I74ea883b14219f904aaafc4eab902b96a1fb3e3d
2024-02-20 17:58:39 -08:00

81 lines
2.2 KiB
Python

# 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):
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 = "cc_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],
)