Protocol Buffers - Google's data interchange format (grpc依赖)
https://developers.google.com/protocol-buffers/
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40 lines
1.7 KiB
40 lines
1.7 KiB
"""proto_lang_toolchain rule""" |
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load("@proto_bazel_features//:features.bzl", "bazel_features") |
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load("//bazel/common:proto_common.bzl", "proto_common") |
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load("//bazel/private:proto_lang_toolchain_rule.bzl", _proto_lang_toolchain_rule = "proto_lang_toolchain") |
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def proto_lang_toolchain(*, name, toolchain_type = None, exec_compatible_with = [], target_compatible_with = [], **attrs): |
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"""Creates a proto_lang_toolchain and corresponding toolchain target. |
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Toolchain target is only created when toolchain_type is set. |
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https://docs.bazel.build/versions/master/be/protocol-buffer.html#proto_lang_toolchain |
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Args: |
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name: name of the toolchain |
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toolchain_type: The toolchain type |
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exec_compatible_with: ([constraints]) List of constraints the prebuild binaries is compatible with. |
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target_compatible_with: ([constraints]) List of constraints the target libraries are compatible with. |
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**attrs: Rule attributes |
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""" |
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if getattr(proto_common, "INCOMPATIBLE_PASS_TOOLCHAIN_TYPE", False): |
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attrs["toolchain_type"] = toolchain_type |
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# This condition causes Starlark rules to be used only on Bazel >=7.0.0 |
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if bazel_features.proto.starlark_proto_info: |
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_proto_lang_toolchain_rule(name = name, **attrs) |
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else: |
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# On older Bazel versions keep using native rules, so that mismatch in ProtoInfo doesn't happen |
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native.proto_lang_toolchain(name = name, **attrs) |
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if toolchain_type: |
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native.toolchain( |
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name = name + "_toolchain", |
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toolchain_type = toolchain_type, |
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exec_compatible_with = exec_compatible_with, |
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target_compatible_with = target_compatible_with, |
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toolchain = name, |
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)
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