Protocol Buffers - Google's data interchange format (grpc依赖)
https://developers.google.com/protocol-buffers/
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35 lines
1000 B
# Protocol Buffers - Google's data interchange format |
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# Copyright 2008 Google Inc. All rights reserved. |
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# |
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# Use of this source code is governed by a BSD-style |
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# license that can be found in the LICENSE file or at |
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# https://developers.google.com/open-source/licenses/bsd |
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""" |
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A helper rule that reads a native boolean flag. |
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""" |
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load("@bazel_skylib//rules:common_settings.bzl", "BuildSettingInfo") |
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def _impl(ctx): |
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return [BuildSettingInfo(value = ctx.attr.value)] |
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_native_bool_flag_rule = rule( |
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implementation = _impl, |
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attrs = {"value": attr.bool()}, |
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) |
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def native_bool_flag(*, name, flag, match_value = "true", result = True, **kwargs): |
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_native_bool_flag_rule( |
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name = name, |
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value = select({ |
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name + "_setting": result, |
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"//conditions:default": not result, |
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}), |
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**kwargs |
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) |
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native.config_setting( |
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name = name + "_setting", |
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values = {flag: match_value}, |
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visibility = ["//visibility:private"], |
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)
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