Protocol Buffers - Google's data interchange format (grpc依赖)
https://developers.google.com/protocol-buffers/
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68 lines
2.8 KiB
68 lines
2.8 KiB
# Copyright (c) 2023, Google LLC |
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# All rights reserved. |
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# |
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# Redistribution and use in source and binary forms, with or without |
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# modification, are permitted provided that the following conditions are met: |
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# * Redistributions of source code must retain the above copyright |
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# notice, this list of conditions and the following disclaimer. |
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# * Redistributions in binary form must reproduce the above copyright |
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# notice, this list of conditions and the following disclaimer in the |
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# documentation and/or other materials provided with the distribution. |
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# * Neither the name of Google LLC nor the |
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# names of its contributors may be used to endorse or promote products |
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# derived from this software without specific prior written permission. |
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# |
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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# DISCLAIMED. IN NO EVENT SHALL Google LLC BE LIABLE FOR ANY |
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# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
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# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
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# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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"""A wrapper around proto_common.compile() that fixes some surprising behaviors. |
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More info in: https://github.com/bazelbuild/bazel/issues/18263 |
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""" |
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load("@rules_proto//proto:defs.bzl", "proto_common") |
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def output_dir(ctx, proto_info): |
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"""Returns the output directory where generated proto files will be placed. |
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Args: |
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ctx: Rule context. |
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proto_info: ProtoInfo provider. |
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Returns: |
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A string specifying the output directory |
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""" |
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proto_root = proto_info.proto_source_root |
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if proto_root.startswith(ctx.bin_dir.path): |
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path = proto_root |
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else: |
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path = ctx.bin_dir.path + "/" + proto_root |
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if proto_root == ".": |
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path = ctx.bin_dir.path |
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return path |
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def proto_common_compile(ctx, proto_info, proto_lang_toolchain_info, generated_files): |
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"""A wrapper around proto_common.compile that automatically calculates the output dir. |
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Args: |
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ctx: Rule context. |
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proto_info: ProtoInfo provider. |
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proto_lang_toolchain_info: ProtoLangToolchainInfo provider. |
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generated_files: The files we expect to be generated from this protoc invocation. |
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""" |
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proto_common.compile( |
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actions = ctx.actions, |
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proto_info = proto_info, |
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proto_lang_toolchain_info = proto_lang_toolchain_info, |
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generated_files = generated_files, |
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plugin_output = output_dir(ctx, proto_info), |
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)
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