| """upb_c_proto_reflection_library() exposes upb reflection for protobuf (foo.upbdefs.h)""" |
| |
| load("//bazel:upb_minitable_proto_library.bzl", "UpbMinitableCcInfo", "upb_minitable_proto_library_aspect") |
| load("//bazel/private:upb_proto_library_internal/aspect.bzl", "upb_proto_aspect_impl") |
| load("//bazel/private:upb_proto_library_internal/cc_library_func.bzl", "upb_use_cpp_toolchain") |
| load("//bazel/private:upb_proto_library_internal/rule.bzl", "upb_proto_rule_impl") |
| |
| _UpbDefsWrappedCcInfo = provider("Provider for cc_info for protos", fields = ["cc_info"]) |
| |
| _WrappedDefsGeneratedSrcsInfo = provider( |
| "Provider for generated reflective sources", |
| fields = ["srcs"], |
| ) |
| |
| def _upb_proto_reflection_library_aspect_impl(target, ctx): |
| return upb_proto_aspect_impl( |
| target = target, |
| ctx = ctx, |
| generator = "upbdefs", |
| cc_provider = _UpbDefsWrappedCcInfo, |
| dep_cc_provider = UpbMinitableCcInfo, |
| file_provider = _WrappedDefsGeneratedSrcsInfo, |
| provide_cc_shared_library_hints = False, |
| ) |
| |
| _upb_proto_reflection_library_aspect = aspect( |
| attrs = { |
| "_copts": attr.label( |
| default = "//upb:upb_proto_library_copts__for_generated_code_only_do_not_use", |
| ), |
| "_upbdefs_toolchain": attr.label( |
| default = Label("//upb_generator:protoc-gen-upbdefs_toolchain"), |
| cfg = getattr(proto_common, "proto_lang_toolchain_cfg", "target"), |
| ), |
| "_cc_toolchain": attr.label( |
| default = "@bazel_tools//tools/cpp:current_cc_toolchain", |
| ), |
| }, |
| implementation = _upb_proto_reflection_library_aspect_impl, |
| requires = [upb_minitable_proto_library_aspect], |
| required_aspect_providers = [UpbMinitableCcInfo], |
| provides = [ |
| _UpbDefsWrappedCcInfo, |
| _WrappedDefsGeneratedSrcsInfo, |
| ], |
| attr_aspects = ["deps"], |
| fragments = ["cpp"], |
| toolchains = upb_use_cpp_toolchain(), |
| exec_groups = { |
| "proto_compiler": exec_group(), |
| }, |
| ) |
| |
| def _upb_proto_reflection_library_rule_impl(ctx): |
| return upb_proto_rule_impl(ctx, _UpbDefsWrappedCcInfo, _WrappedDefsGeneratedSrcsInfo) |
| |
| upb_proto_reflection_library = rule( |
| implementation = _upb_proto_reflection_library_rule_impl, |
| attrs = { |
| "deps": attr.label_list( |
| aspects = [_upb_proto_reflection_library_aspect], |
| allow_rules = ["proto_library"], |
| providers = [ProtoInfo], |
| ), |
| }, |
| provides = [CcInfo], |
| ) |