xref: /aosp_15_r20/external/pigweed/pw_toolchain_bazel/cc_toolchain/private/action_files.bzl (revision 61c4878ac05f98d0ceed94b57d316916de578985) 
1# Copyright 2023 The Pigweed Authors
2#
3# Licensed under the Apache License, Version 2.0 (the "License"); you may not
4# use this file except in compliance with the License. You may obtain a copy of
5# the License at
6#
7#     https://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, WITHOUT
11# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
12# License for the specific language governing permissions and limitations under
13# the License.
14"""Implementation of pw_cc_action_files."""
15
16load(
17    ":providers.bzl",
18    "PwActionNameSetInfo",
19    "PwExtraActionFilesInfo",
20    "PwExtraActionFilesSetInfo",
21)
22
23def _pw_cc_action_files_impl(ctx):
24    actions = depset(transitive = [
25        action[PwActionNameSetInfo].actions
26        for action in ctx.attr.actions
27    ]).to_list()
28    files = depset(ctx.files.srcs)
29    return [
30        PwExtraActionFilesSetInfo(srcs = depset([
31            PwExtraActionFilesInfo(action = action, files = files)
32            for action in actions
33        ])),
34        DefaultInfo(files = files),
35    ]
36
37pw_cc_action_files = rule(
38    implementation = _pw_cc_action_files_impl,
39    attrs = {
40        "actions": attr.label_list(
41            providers = [PwActionNameSetInfo],
42            mandatory = True,
43            doc = "The actions that the files are required for",
44        ),
45        "srcs": attr.label_list(
46            allow_files = True,
47            doc = "Files required for these actions to correctly operate.",
48        ),
49    },
50    provides = [PwExtraActionFilesSetInfo],
51)
52
53def _pw_cc_action_files_set_impl(ctx):
54    return [
55        PwExtraActionFilesSetInfo(srcs = depset(transitive = [
56            ffa[PwExtraActionFilesSetInfo].srcs
57            for ffa in ctx.attr.srcs
58        ])),
59        DefaultInfo(files = depset(transitive = [
60            src[DefaultInfo].files
61            for src in ctx.attr.srcs
62        ])),
63    ]
64
65pw_cc_action_files_set = rule(
66    implementation = _pw_cc_action_files_set_impl,
67    attrs = {
68        "srcs": attr.label_list(
69            providers = [PwExtraActionFilesSetInfo],
70            doc = "The pw_cc_action_files to combine.",
71        ),
72    },
73    provides = [PwExtraActionFilesSetInfo],
74)
75