Protocol Buffers - Google's data interchange format (grpc依赖)
https://developers.google.com/protocol-buffers/
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75 lines
2.7 KiB
75 lines
2.7 KiB
"""upb_c_proto_reflection_library() exposes upb reflection for protobuf (foo.upbdefs.h)""" |
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load("//upb/bazel:upb_minitable_proto_library.bzl", "UpbMinitableCcInfo", "upb_minitable_proto_library_aspect") |
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load("//upb/bazel:upb_proto_library_internal/aspect.bzl", "upb_proto_aspect_impl") |
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load("//upb/bazel:upb_proto_library_internal/cc_library_func.bzl", "upb_use_cpp_toolchain") |
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load("//upb/bazel:upb_proto_library_internal/rule.bzl", "upb_proto_rule_impl") |
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_UpbDefsWrappedCcInfo = provider("Provider for cc_info for protos", fields = ["cc_info"]) |
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_WrappedDefsGeneratedSrcsInfo = provider( |
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"Provider for generated reflective sources", |
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fields = ["srcs"], |
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) |
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def _upb_proto_reflection_library_aspect_impl(target, ctx): |
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return upb_proto_aspect_impl( |
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target = target, |
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ctx = ctx, |
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generator = "upbdefs", |
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cc_provider = _UpbDefsWrappedCcInfo, |
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dep_cc_provider = UpbMinitableCcInfo, |
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file_provider = _WrappedDefsGeneratedSrcsInfo, |
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provide_cc_shared_library_hints = False, |
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) |
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_upb_proto_reflection_library_aspect = aspect( |
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attrs = { |
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"_copts": attr.label( |
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default = "//upb:upb_proto_library_copts__for_generated_code_only_do_not_use", |
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), |
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"_gen_upbdefs": attr.label( |
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executable = True, |
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cfg = "exec", |
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default = "//upb/upbc:protoc-gen-upbdefs", |
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), |
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"_protoc": attr.label( |
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executable = True, |
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cfg = "exec", |
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default = "//:protoc", |
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), |
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"_cc_toolchain": attr.label( |
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default = "@bazel_tools//tools/cpp:current_cc_toolchain", |
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), |
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"_upbdefs": attr.label_list(default = [ |
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"//upb:generated_reflection_support__only_for_generated_code_do_not_use__i_give_permission_to_break_me", |
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]), |
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}, |
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implementation = _upb_proto_reflection_library_aspect_impl, |
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requires = [upb_minitable_proto_library_aspect], |
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required_aspect_providers = [UpbMinitableCcInfo], |
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provides = [ |
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_UpbDefsWrappedCcInfo, |
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_WrappedDefsGeneratedSrcsInfo, |
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], |
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attr_aspects = ["deps"], |
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fragments = ["cpp"], |
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toolchains = upb_use_cpp_toolchain(), |
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incompatible_use_toolchain_transition = True, |
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) |
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def _upb_proto_reflection_library_rule_impl(ctx): |
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return upb_proto_rule_impl(ctx, _UpbDefsWrappedCcInfo, _WrappedDefsGeneratedSrcsInfo) |
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upb_proto_reflection_library = rule( |
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output_to_genfiles = True, |
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implementation = _upb_proto_reflection_library_rule_impl, |
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attrs = { |
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"deps": attr.label_list( |
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aspects = [_upb_proto_reflection_library_aspect], |
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allow_rules = ["proto_library"], |
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providers = [ProtoInfo], |
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), |
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}, |
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provides = [CcInfo], |
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)
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