mirror of
https://github.com/bazelbuild/rules_cc
synced 2024-12-03 02:53:18 +00:00
837caeca75
Pull more info into ArgsListInfo. This allows us to make queries such as "get me all the flags / files required for this specific action". This will allow us to implement cc_action_config more easily and efficiently. END_PUBLIC PiperOrigin-RevId: 609828504 Change-Id: Ie3978674c5027f892d2e5e4c8d937a52c59fde5d
114 lines
3.2 KiB
Python
114 lines
3.2 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.
|
|
"""All providers for rule-based bazel toolchain config."""
|
|
|
|
load(
|
|
"//cc/toolchains/impl:collect.bzl",
|
|
"collect_action_types",
|
|
"collect_files",
|
|
"collect_provider",
|
|
)
|
|
load(
|
|
":cc_toolchain_info.bzl",
|
|
"ActionTypeSetInfo",
|
|
"AddArgsInfo",
|
|
"ArgsInfo",
|
|
"ArgsListInfo",
|
|
"FeatureConstraintInfo",
|
|
)
|
|
|
|
visibility("public")
|
|
|
|
def _cc_args_impl(ctx):
|
|
add_args = [AddArgsInfo(
|
|
label = ctx.label,
|
|
args = tuple(ctx.attr.args),
|
|
files = depset([]),
|
|
)]
|
|
|
|
actions = collect_action_types(ctx.attr.actions)
|
|
files = collect_files(ctx.attr.additional_files)
|
|
requires = collect_provider(ctx.attr.requires_any_of, FeatureConstraintInfo)
|
|
|
|
args = ArgsInfo(
|
|
label = ctx.label,
|
|
actions = actions,
|
|
requires_any_of = tuple(requires),
|
|
files = files,
|
|
args = add_args,
|
|
env = ctx.attr.env,
|
|
)
|
|
return [
|
|
args,
|
|
ArgsListInfo(
|
|
label = ctx.label,
|
|
args = tuple([args]),
|
|
files = files,
|
|
by_action = tuple([
|
|
struct(action = action, args = [args], files = files)
|
|
for action in actions.to_list()
|
|
]),
|
|
),
|
|
]
|
|
|
|
cc_args = rule(
|
|
implementation = _cc_args_impl,
|
|
attrs = {
|
|
"actions": attr.label_list(
|
|
providers = [ActionTypeSetInfo],
|
|
mandatory = True,
|
|
doc = """A list of action types that this flag set applies to.
|
|
|
|
See @rules_cc//cc/toolchains/actions:all for valid options.
|
|
""",
|
|
),
|
|
"additional_files": attr.label_list(
|
|
allow_files = True,
|
|
doc = """Files required to add this argument to the command-line.
|
|
|
|
For example, a flag that sets the header directory might add the headers in that
|
|
directory as additional files.
|
|
""",
|
|
),
|
|
"args": attr.string_list(
|
|
doc = """Arguments that should be added to the command-line.
|
|
|
|
These are evaluated in order, with earlier args appearing earlier in the
|
|
invocation of the underlying tool.
|
|
""",
|
|
),
|
|
"env": attr.string_dict(
|
|
doc = "Environment variables to be added to the command-line.",
|
|
),
|
|
"requires_any_of": attr.label_list(
|
|
providers = [FeatureConstraintInfo],
|
|
doc = """This will be enabled when any of the constraints are met.
|
|
|
|
If omitted, this flag set will be enabled unconditionally.
|
|
""",
|
|
),
|
|
},
|
|
provides = [ArgsInfo],
|
|
doc = """Declares a list of arguments bound to a set of actions.
|
|
|
|
Roughly equivalent to ctx.actions.args()
|
|
|
|
Examples:
|
|
cc_args(
|
|
name = "warnings_as_errors",
|
|
args = ["-Werror"],
|
|
)
|
|
""",
|
|
)
|