Protocol Buffers - Google's data interchange format (grpc依赖)
https://developers.google.com/protocol-buffers/
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47 lines
1.8 KiB
47 lines
1.8 KiB
"""A Starlark implementation of the proto_toolchain rule.""" |
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load("//bazel/common:proto_common.bzl", "proto_common") |
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load("//bazel/common:proto_lang_toolchain_info.bzl", "ProtoLangToolchainInfo") |
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def _impl(ctx): |
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kwargs = {} |
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if getattr(proto_common, "INCOMPATIBLE_PASS_TOOLCHAIN_TYPE", False): |
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kwargs["toolchain_type"] = "@rules_proto//proto:toolchain_type" |
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return [ |
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DefaultInfo( |
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files = depset(), |
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runfiles = ctx.runfiles(), |
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), |
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platform_common.ToolchainInfo( |
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proto = ProtoLangToolchainInfo( |
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out_replacement_format_flag = ctx.attr.command_line, |
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output_files = ctx.attr.output_files, |
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plugin = None, |
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runtime = None, |
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proto_compiler = ctx.attr.proto_compiler.files_to_run, |
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protoc_opts = ctx.fragments.proto.experimental_protoc_opts, |
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progress_message = ctx.attr.progress_message, |
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mnemonic = ctx.attr.mnemonic, |
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**kwargs |
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), |
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), |
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] |
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proto_toolchain = rule( |
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_impl, |
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attrs = |
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{ |
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"progress_message": attr.string(default = "Generating Descriptor Set proto_library %{label}"), |
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"mnemonic": attr.string(default = "GenProtoDescriptorSet"), |
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"command_line": attr.string(default = "--descriptor_set_out=%s"), |
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"output_files": attr.string(values = ["single", "multiple", "legacy"], default = "single"), |
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"proto_compiler": attr.label( |
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cfg = "exec", |
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executable = True, |
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allow_files = True, # Used by mocks in tests. Consider fixing tests and removing it. |
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), |
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}, |
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provides = [platform_common.ToolchainInfo], |
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fragments = ["proto"], |
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)
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