| # 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, |
| # 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. |
| |
| def _print_debug_impl(ctx): |
| prefix = {} |
| if ctx.attr.prefix_label: |
| prefix = "{}: ".format(ctx.label) |
| print("{}{}".format(prefix, ctx.attr.content)) |
| |
| print_debug = rule( |
| implementation = _print_debug_impl, |
| doc = "A rule that prints a debug string when built. No outputs are generated.", |
| attrs = { |
| "prefix_label": attr.bool( |
| default = True, |
| doc = "Prefix with the label of this target.", |
| ), |
| "content": attr.string(doc = "The string to print."), |
| }, |
| ) |