1# Copyright (C) 2022 The Android Open Source Project
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
15"""Impl of `exec_aspect`."""
16
17visibility("//build/bazel_common_rules/exec/...")
18
19_attrs = ["args", "env", "data", "srcs", "deps"]
20
21ExecAspectInfo = provider(
22    doc = "See [`exec_aspect`](#exec_aspect).",
23    fields = {attr: attr + " of the target" for attr in _attrs},
24)
25
26def _aspect_impl(_target, ctx):
27    kwargs = {}
28    for attr in _attrs:
29        value = getattr(ctx.rule.attr, attr, None)
30        kwargs[attr] = value
31    return ExecAspectInfo(**kwargs)
32
33exec_aspect = aspect(
34    implementation = _aspect_impl,
35    doc = "Make arguments available for targets depending on executables.",
36    attr_aspects = _attrs,
37)
38