kleaf/impl/srcs_aspect.bzl

# Copyright (C) 2022 The Android Open Source Project
#
# 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,
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"""An aspect that retrieves srcs attribute from a rule."""

load(":utils.bzl", "utils")

visibility("//build/kernel/kleaf/...")

SrcsInfo = provider("Provides list of sources", fields = {
    "srcs": "The srcs attribute of a rule.",
})

def _srcs_aspect_impl(_target, ctx):
    return [SrcsInfo(srcs = utils.getoptattr(ctx.rule.attr, "srcs"))]

srcs_aspect = aspect(
    implementation = _srcs_aspect_impl,
    doc = "An aspect that retrieves srcs attribute from a rule.",
    attr_aspects = ["srcs"],
)