1"""upb_minitable_proto_library() exposes upb's generated minitables (foo.upb_minitable.h)""" 2 3load("//bazel/common:proto_info.bzl", "ProtoInfo") 4load("//bazel/private:upb_proto_library_internal/aspect.bzl", "upb_proto_aspect_impl") 5load("//bazel/private:upb_proto_library_internal/cc_library_func.bzl", "upb_use_cpp_toolchain") 6load("//bazel/private:upb_proto_library_internal/rule.bzl", "upb_proto_rule_impl") 7 8UpbMinitableCcInfo = provider( 9 "Provider for cc_info for protos", 10 fields = ["cc_info"], 11) 12 13_UpbWrappedGeneratedSrcsInfo = provider( 14 "Provider for generated sources", 15 fields = ["srcs"], 16) 17 18def _upb_minitable_proto_library_aspect_impl(target, ctx): 19 return upb_proto_aspect_impl( 20 target = target, 21 ctx = ctx, 22 generator = "upb_minitable", 23 cc_provider = UpbMinitableCcInfo, 24 dep_cc_provider = None, 25 file_provider = _UpbWrappedGeneratedSrcsInfo, 26 ) 27 28def _get_upb_minitable_proto_library_aspect_provides(): 29 provides = [ 30 UpbMinitableCcInfo, 31 _UpbWrappedGeneratedSrcsInfo, 32 ] 33 34 if hasattr(cc_common, "CcSharedLibraryHintInfo"): 35 provides.append(cc_common.CcSharedLibraryHintInfo) 36 elif hasattr(cc_common, "CcSharedLibraryHintInfo_6_X_getter_do_not_use"): 37 # This branch can be deleted once 6.X is not supported by upb rules 38 provides.append(cc_common.CcSharedLibraryHintInfo_6_X_getter_do_not_use) 39 40 return provides 41 42upb_minitable_proto_library_aspect = aspect( 43 attrs = { 44 "_copts": attr.label( 45 default = "//upb:upb_proto_library_copts__for_generated_code_only_do_not_use", 46 ), 47 "_upb_minitable_toolchain": attr.label( 48 default = Label("//upb_generator/minitable:toolchain"), 49 ), 50 "_cc_toolchain": attr.label( 51 default = "@bazel_tools//tools/cpp:current_cc_toolchain", 52 ), 53 "_fasttable_enabled": attr.label(default = "//upb:fasttable_enabled"), 54 }, 55 implementation = _upb_minitable_proto_library_aspect_impl, 56 provides = _get_upb_minitable_proto_library_aspect_provides(), 57 attr_aspects = ["deps"], 58 fragments = ["cpp"], 59 toolchains = upb_use_cpp_toolchain(), 60 exec_groups = { 61 "proto_compiler": exec_group(), 62 }, 63) 64 65def _upb_minitable_proto_library_rule_impl(ctx): 66 return upb_proto_rule_impl(ctx, UpbMinitableCcInfo, _UpbWrappedGeneratedSrcsInfo) 67 68upb_minitable_proto_library = rule( 69 implementation = _upb_minitable_proto_library_rule_impl, 70 attrs = { 71 "deps": attr.label_list( 72 aspects = [upb_minitable_proto_library_aspect], 73 allow_rules = ["proto_library"], 74 providers = [ProtoInfo], 75 ), 76 }, 77 provides = [CcInfo], 78) 79