Protocol Buffers - Google's data interchange format (grpc依赖)
https://developers.google.com/protocol-buffers/
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69 lines
2.2 KiB
69 lines
2.2 KiB
"""upb_c_proto_library() exposes upb's generated C API for protobuf (foo.upb.h)""" |
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load("//bazel:upb_minitable_proto_library.bzl", "UpbMinitableCcInfo", "upb_minitable_proto_library_aspect") |
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load("//bazel:upb_proto_library_internal/aspect.bzl", "upb_proto_aspect_impl") |
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load("//bazel:upb_proto_library_internal/cc_library_func.bzl", "upb_use_cpp_toolchain") |
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load("//bazel:upb_proto_library_internal/rule.bzl", "upb_proto_rule_impl") |
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UpbWrappedCcInfo = provider( |
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"Provider for cc_info for protos", |
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fields = ["cc_info", "cc_info_with_thunks"], |
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) |
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_UpbWrappedGeneratedSrcsInfo = provider( |
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"Provider for generated sources", |
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fields = ["srcs"], |
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) |
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def _upb_c_proto_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 = "upb", |
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cc_provider = UpbWrappedCcInfo, |
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dep_cc_provider = UpbMinitableCcInfo, |
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file_provider = _UpbWrappedGeneratedSrcsInfo, |
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provide_cc_shared_library_hints = False, |
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) |
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upb_c_proto_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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"_upb_toolchain": attr.label( |
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default = Label("//upb_generator:protoc-gen-upb_toolchain"), |
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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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}, |
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implementation = _upb_c_proto_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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UpbWrappedCcInfo, |
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_UpbWrappedGeneratedSrcsInfo, |
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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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exec_groups = { |
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"proto_compiler": exec_group(), |
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}, |
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) |
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def _upb_c_proto_library_rule_impl(ctx): |
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return upb_proto_rule_impl(ctx, UpbWrappedCcInfo, _UpbWrappedGeneratedSrcsInfo) |
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upb_c_proto_library = rule( |
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implementation = _upb_c_proto_library_rule_impl, |
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attrs = { |
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"deps": attr.label_list( |
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aspects = [upb_c_proto_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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