BUILD.bazel

# Bazel (https://bazel.build/) BUILD file for Protobuf.

load("@rules_cc//cc:defs.bzl", "cc_binary", "cc_library")
load("@rules_license//rules:license.bzl", "license")
load("//bazel:cc_proto_library.bzl", "cc_proto_library")
load("//bazel:java_lite_proto_library.bzl", "java_lite_proto_library")
load("//bazel:java_proto_library.bzl", "java_proto_library")
load("//bazel:proto_library.bzl", "proto_library")
load("//bazel/toolchains:proto_lang_toolchain.bzl", "proto_lang_toolchain")
load("//build_defs:cpp_opts.bzl", "COPTS", "LINK_OPTS")
load(":protobuf.bzl", "internal_objc_proto_library", "internal_php_proto_library", "internal_py_proto_library")

licenses(["notice"])

exports_files([
    "LICENSE",
    "PrivacyInfo.xcprivacy",
])

license(
    name = "license",
    package_name = "protobuf",
    license_text = ":LICENSE",
)

exports_files(
    ["MODULE.bazel"],
    visibility = ["//cmake:__pkg__"],
)

################################################################################
# Well Known Types Proto Library Rules
#
# https://developers.google.com/protocol-buffers/docs/reference/google.protobuf
################################################################################
# These proto_library rules can be used with one of the language specific proto
# library rules i.e. java_proto_library:
#
# java_proto_library(
#   name = "any_java_proto",
#   deps = ["@protobuf//:any_proto"],
# )
################################################################################

alias(
    name = "any_proto",
    actual = "//src/google/protobuf:any_proto",
    visibility = ["//visibility:public"],
)

alias(
    name = "api_proto",
    actual = "//src/google/protobuf:api_proto",
    visibility = ["//visibility:public"],
)

alias(
    name = "duration_proto",
    actual = "//src/google/protobuf:duration_proto",
    visibility = ["//visibility:public"],
)

alias(
    name = "empty_proto",
    actual = "//src/google/protobuf:empty_proto",
    visibility = ["//visibility:public"],
)

alias(
    name = "field_mask_proto",
    actual = "//src/google/protobuf:field_mask_proto",
    visibility = ["//visibility:public"],
)

alias(
    name = "source_context_proto",
    actual = "//src/google/protobuf:source_context_proto",
    visibility = ["//visibility:public"],
)

alias(
    name = "struct_proto",
    actual = "//src/google/protobuf:struct_proto",
    visibility = ["//visibility:public"],
)

alias(
    name = "timestamp_proto",
    actual = "//src/google/protobuf:timestamp_proto",
    visibility = ["//visibility:public"],
)

alias(
    name = "type_proto",
    actual = "//src/google/protobuf:type_proto",
    visibility = ["//visibility:public"],
)

alias(
    name = "wrappers_proto",
    actual = "//src/google/protobuf:wrappers_proto",
    visibility = ["//visibility:public"],
)

# C++ targets for the well-known types

alias(
    name = "any_cc_proto",
    actual = "//src/google/protobuf:any_cc_proto",
    visibility = ["//visibility:public"],
)

alias(
    name = "api_cc_proto",
    actual = "//src/google/protobuf:api_cc_proto",
    visibility = ["//visibility:public"],
)

alias(
    name = "duration_cc_proto",
    actual = "//src/google/protobuf:duration_cc_proto",
    visibility = ["//visibility:public"],
)

alias(
    name = "empty_cc_proto",
    actual = "//src/google/protobuf:empty_cc_proto",
    visibility = ["//visibility:public"],
)

alias(
    name = "field_mask_cc_proto",
    actual = "//src/google/protobuf:field_mask_cc_proto",
    visibility = ["//visibility:public"],
)

alias(
    name = "source_context_cc_proto",
    actual = "//src/google/protobuf:source_context_cc_proto",
    visibility = ["//visibility:public"],
)

alias(
    name = "struct_cc_proto",
    actual = "//src/google/protobuf:struct_cc_proto",
    visibility = ["//visibility:public"],
)

alias(
    name = "timestamp_cc_proto",
    actual = "//src/google/protobuf:timestamp_cc_proto",
    visibility = ["//visibility:public"],
)

alias(
    name = "type_cc_proto",
    actual = "//src/google/protobuf:type_cc_proto",
    visibility = ["//visibility:public"],
)

alias(
    name = "wrappers_cc_proto",
    actual = "//src/google/protobuf:wrappers_cc_proto",
    visibility = ["//visibility:public"],
)

# upb targets for some of the well-known types. Note that upb does not have a
# stable API. These targets can therefore change in incompatible ways at any
# time without warning.

alias(
    name = "any_upb_proto",
    actual = "//src/google/protobuf:any_upb_proto",
    visibility = ["//visibility:public"],
)

alias(
    name = "api_upb_proto",
    actual = "//src/google/protobuf:api_upb_proto",
    visibility = ["//visibility:public"],
)

alias(
    name = "duration_upb_proto",
    actual = "//src/google/protobuf:duration_upb_proto",
    visibility = ["//visibility:public"],
)

alias(
    name = "empty_upb_proto",
    actual = "//src/google/protobuf:empty_upb_proto",
    visibility = ["//visibility:public"],
)

alias(
    name = "field_mask_upb_proto",
    actual = "//src/google/protobuf:field_mask_upb_proto",
    visibility = ["//visibility:public"],
)

alias(
    name = "source_context_upb_proto",
    actual = "//src/google/protobuf:source_context_upb_proto",
    visibility = ["//visibility:public"],
)

alias(
    name = "struct_upb_proto",
    actual = "//src/google/protobuf:struct_upb_proto",
    visibility = ["//visibility:public"],
)

alias(
    name = "timestamp_upb_proto",
    actual = "//src/google/protobuf:timestamp_upb_proto",
    visibility = ["//visibility:public"],
)

alias(
    name = "type_upb_proto",
    actual = "//src/google/protobuf:type_upb_proto",
    visibility = ["//visibility:public"],
)

alias(
    name = "wrappers_upb_proto",
    actual = "//src/google/protobuf:wrappers_upb_proto",
    visibility = ["//visibility:public"],
)

# upb reflection targets for some of the well-known types

alias(
    name = "any_upb_reflection_proto",
    actual = "//src/google/protobuf:any_upb_reflection_proto",
    visibility = ["//visibility:public"],
)

alias(
    name = "api_upb_reflection_proto",
    actual = "//src/google/protobuf:api_upb_reflection_proto",
    visibility = ["//visibility:public"],
)

alias(
    name = "duration_upb_reflection_proto",
    actual = "//src/google/protobuf:duration_upb_reflection_proto",
    visibility = ["//visibility:public"],
)

alias(
    name = "empty_upb_reflection_proto",
    actual = "//src/google/protobuf:empty_upb_reflection_proto",
    visibility = ["//visibility:public"],
)

alias(
    name = "field_mask_upb_reflection_proto",
    actual = "//src/google/protobuf:field_mask_upb_reflection_proto",
    visibility = ["//visibility:public"],
)

alias(
    name = "source_context_upb_reflection_proto",
    actual = "//src/google/protobuf:source_context_upb_reflection_proto",
    visibility = ["//visibility:public"],
)

alias(
    name = "struct_upb_reflection_proto",
    actual = "//src/google/protobuf:struct_upb_reflection_proto",
    visibility = ["//visibility:public"],
)

alias(
    name = "timestamp_upb_reflection_proto",
    actual = "//src/google/protobuf:timestamp_upb_reflection_proto",
    visibility = ["//visibility:public"],
)

alias(
    name = "type_upb_reflection_proto",
    actual = "//src/google/protobuf:type_upb_reflection_proto",
    visibility = ["//visibility:public"],
)

alias(
    name = "wrappers_upb_reflection_proto",
    actual = "//src/google/protobuf:wrappers_upb_reflection_proto",
    visibility = ["//visibility:public"],
)

# Source files: these are aliases to a filegroup, not a `proto_library`.
#
# (This is _probably_ not what you want.)
alias(
    name = "lite_well_known_protos",
    actual = "//src/google/protobuf:well_known_type_protos",  # filegroup
    visibility = ["//visibility:public"],
)

alias(
    name = "well_known_type_protos",
    actual = "//src/google/protobuf:well_known_type_protos",  # filegroup
    visibility = ["//visibility:public"],
)

# Built-in runtime protos: these are part of protobuf's internal
# implementation, but are not Well-Known Types.

alias(
    name = "descriptor_proto",
    actual = "//src/google/protobuf:descriptor_proto",  # proto_library
    visibility = ["//visibility:public"],
)

alias(
    name = "descriptor_proto_srcs",
    actual = "//src/google/protobuf:descriptor_proto_srcs",  # filegroup
    visibility = ["//visibility:public"],
)

alias(
    name = "compiler_plugin_proto",
    actual = "//src/google/protobuf/compiler:plugin_proto",  # proto_library
    visibility = ["//visibility:public"],
)

cc_library(
    name = "cc_wkt_protos",
    deprecation = "Only for backward compatibility. Do not use.",
    visibility = ["//visibility:public"],
)

# Source protos that are typically part of the protobuf runtime.
#
# DEPRECATED: Prefer :well_known_type_protos for the Well-Known Types
# (https://developers.google.com/protocol-buffers/docs/reference/google.protobuf)
# or :descriptor_proto(_srcs) for descriptor.proto (source), or
# :compiler_plugin_proto for compiler/plugin.proto.
filegroup(
    name = "well_known_protos",
    srcs = [
        ":descriptor_proto_srcs",
        ":well_known_type_protos",
        "//src/google/protobuf/compiler:plugin.proto",
    ],
    deprecation = "Prefer :well_known_type_protos instead.",
    visibility = ["//visibility:public"],
)

################################################################################
# Protocol Buffers Compiler
################################################################################

alias(
    name = "protoc_lib",
    actual = "//src/google/protobuf/compiler:protoc_lib",
    visibility = ["//visibility:public"],
)

cc_binary(
    name = "protoc",
    copts = COPTS,
    linkopts = LINK_OPTS,
    visibility = ["//visibility:public"],
    deps = ["//src/google/protobuf/compiler:protoc_lib_stage1"],
)

cc_binary(
    name = "protoc_stage0",
    copts = COPTS,
    linkopts = LINK_OPTS,
    visibility = ["//:__subpackages__"],
    deps = ["//src/google/protobuf/compiler:protoc_lib_stage0"],
)

cc_binary(
    name = "protoc_static",
    copts = COPTS,
    features = select({
        # This isn't possible on mac because there is no static library for lcrt0.o
        "@platforms//os:osx": [],
        "//build_defs:config_osx": [],
        # When cross-compiling we need to statically link all C++ libraries.
        "//conditions:default": ["fully_static_link"],
    }),
    linkopts = LINK_OPTS,
    visibility = ["//visibility:public"],
    deps = ["//src/google/protobuf/compiler:protoc_lib_stage1"],
)

################################################################################
# C++ runtime
################################################################################

# Expose the runtime for the proto_lang_toolchain so that it can also be used in
# a user-defined proto_lang_toolchain.
alias(
    name = "protobuf",
    actual = "//src/google/protobuf:protobuf_layering_check_legacy",
    visibility = ["//visibility:public"],
)

alias(
    name = "protobuf_nowkt",
    actual = "//src/google/protobuf",
    deprecation = "Use //:protobuf instead",
    visibility = ["//visibility:public"],
)

# The "lite" runtime works for .proto files that specify the option:
#     optimize_for = LITE_RUNTIME;
#
# The lite runtime does not include the `Reflection` APIs (including
# `Descriptor` and related types) or Well-Known Types.
#
# See also:
#     https://developers.google.com/protocol-buffers/docs/reference/cpp-generated#message
#     https://developers.google.com/protocol-buffers/docs/reference/google.protobuf
alias(
    name = "protobuf_lite",
    actual = "//src/google/protobuf:protobuf_lite",
    visibility = ["//visibility:public"],
)

# This provides just the header files for use in projects that need to build
# shared libraries for dynamic loading. This target is available until Bazel
# adds native support for such use cases.
# TODO: Remove this target once the support gets added to Bazel.
alias(
    name = "protobuf_headers",
    actual = "//src/google/protobuf:protobuf_headers",
    visibility = ["//visibility:public"],
)

alias(
    name = "json",
    actual = "//src/google/protobuf/json",
    visibility = ["//visibility:public"],
)

alias(
    name = "delimited_message_util",
    actual = "//src/google/protobuf/util:delimited_message_util",
    visibility = ["//visibility:public"],
)

alias(
    name = "differencer",
    actual = "//src/google/protobuf/util:differencer",
    visibility = ["//visibility:public"],
)

alias(
    name = "field_mask_util",
    actual = "//src/google/protobuf/util:field_mask_util",
    visibility = ["//visibility:public"],
)

alias(
    name = "json_util",
    actual = "//src/google/protobuf/util:json_util",
    visibility = ["//visibility:public"],
)

alias(
    name = "time_util",
    actual = "//src/google/protobuf/util:time_util",
    visibility = ["//visibility:public"],
)

alias(
    name = "type_resolver",
    actual = "//src/google/protobuf/util:type_resolver",
    visibility = ["//visibility:public"],
)

alias(
    name = "cpp_features_proto",
    actual = "//src/google/protobuf:cpp_features_proto",  # proto_library
    visibility = ["//visibility:public"],
)

################################################################################
# Java support
################################################################################

alias(
    name = "protobuf_java",
    actual = "//java/core",
    visibility = ["//visibility:public"],
)

alias(
    name = "protobuf_javalite",
    actual = "//java/lite",
    visibility = ["//visibility:public"],
)

alias(
    name = "protobuf_java_util",
    actual = "//java/util",
    visibility = ["//visibility:public"],
)

alias(
    name = "java_toolchain",
    actual = "//java/core:toolchain",
    visibility = ["//visibility:public"],
)

alias(
    name = "javalite_toolchain",
    actual = "//java/lite:toolchain",
    visibility = ["//visibility:public"],
)

alias(
    name = "java_features_proto",
    actual = "//java/core:java_features_proto",  # proto_library
    visibility = ["//visibility:public"],
)

################################################################################
# Python support
################################################################################

alias(
    name = "protobuf_python",
    actual = "//python:protobuf_python",
    visibility = ["//visibility:public"],
)

alias(
    name = "python_srcs",
    actual = "//python:python_srcs",
    visibility = ["//python:__subpackages__"],
)

alias(
    name = "python_test_srcs",
    actual = "//python:python_test_srcs",
    visibility = ["//python:__subpackages__"],
)

alias(
    name = "well_known_types_py_pb2",
    actual = "//python:well_known_types_py_pb2",
    visibility = ["//visibility:public"],
)

alias(
    name = "python_common_test_protos",
    actual = "//python:python_common_test_protos",
    visibility = ["//visibility:public"],
)

alias(
    name = "python_specific_test_protos",
    actual = "//python:python_specific_test_protos",
    visibility = ["//visibility:public"],
)

proto_lang_toolchain(
    name = "cc_toolchain",
    blacklisted_protos = [
        "//:compiler_plugin_proto",
        "//:cpp_features_proto",
        "//:descriptor_proto",
    ],
    command_line = "--cpp_out=$(OUT)",
    plugin = "//src/google/protobuf/compiler/cpp:protoc-gen-cpp",
    plugin_format_flag = "--plugin=protoc-gen-cpp=%s",
    protoc_minimal_do_not_use = select({
        # Set minimal protoc if prefer_prebuilt_protoc.flag_set is true since a prebuilt for protoc_minimal is not available
        # TODO: Add a flag to switch between minimal and full protoc with proto_lang_toolchain once we have a minimal protoc binary.
        # Setting this attribute to None will make the toolchain to pick the full protoc binary.
        "//bazel/flags:prefer_prebuilt_protoc.flag_set": None,
        "//conditions:default": "//src/google/protobuf/compiler:protoc_minimal",
    }),
    runtime = "//src/google/protobuf",
    visibility = ["//visibility:public"],
)

################################################################################
# Objective-C support
################################################################################

alias(
    name = "objectivec",
    actual = "//objectivec",
    tags = ["manual"],
    visibility = ["//visibility:public"],
)

alias(
    name = "protobuf_objc",
    actual = "//objectivec",
    tags = ["manual"],
    visibility = ["//visibility:public"],
)

################################################################################
# Rust support
################################################################################

alias(
    name = "protobuf_rust",
    actual = "//rust:protobuf",
    visibility = ["//visibility:public"],
)

################################################################################
# Go support
################################################################################

alias(
    name = "go_features_proto",
    actual = "//go:go_features_proto",  # proto_library
    visibility = ["//visibility:public"],
)

################################################################################
# Test protos
################################################################################

alias(
    name = "lite_test_proto_srcs",
    actual = "//src/google/protobuf:lite_test_proto_srcs",  # proto_library
    visibility = ["//:__subpackages__"],
)

alias(
    name = "lite_test_protos",
    actual = "//src/google/protobuf:lite_test_protos",  # proto_library
    visibility = ["//:__subpackages__"],
)

alias(
    name = "test_proto_srcs",
    actual = "//src/google/protobuf:test_proto_srcs",  # filegroup
    visibility = ["//:__subpackages__"],
)

alias(
    name = "test_proto_editions_srcs",
    actual = "//src/google/protobuf:test_proto_editions_srcs",  # filegroup
    visibility = ["//:__subpackages__"],
)

alias(
    name = "test_protos",
    actual = "//src/google/protobuf:test_protos",  # proto_library
    visibility = ["//:__subpackages__"],
)

# Validate generated proto source inputs:

genrule(
    name = "generated_protos",
    testonly = 1,
    srcs = ["//src/google/protobuf:test_proto_srcs"],
    outs = ["unittest_gen_import.proto"],
    cmd = "cat src/google/protobuf/unittest_import.proto > $@",
)

proto_library(
    name = "generated_protos_proto",
    testonly = 1,
    srcs = [":generated_protos"],
    deps = ["//src/google/protobuf:generic_test_protos"],
)

internal_py_proto_library(
    name = "generated_protos_py",
    testonly = 1,
    srcs = [":generated_protos"],
    default_runtime = "",
    deps = ["//python:python_common_test_protos"],
)

################################################################################
# Conformance tests
################################################################################

cc_proto_library(
    name = "test_messages_proto2_cc_proto",
    visibility = [
        "//conformance:__pkg__",
        "//src:__subpackages__",
    ],
    deps = ["//src/google/protobuf:test_messages_proto2_proto"],
)

cc_proto_library(
    name = "test_messages_proto3_cc_proto",
    visibility = [
        "//conformance:__pkg__",
        "//src:__subpackages__",
    ],
    deps = ["//src/google/protobuf:test_messages_proto3_proto"],
)

java_proto_library(
    name = "test_messages_proto2_java_proto",
    visibility = [
        "//conformance:__pkg__",
        "//java:__subpackages__",
    ],
    deps = ["//conformance/test_protos:test_messages_proto2_proto"],
)

java_proto_library(
    name = "test_messages_proto3_java_proto",
    visibility = [
        "//conformance:__pkg__",
        "//java:__subpackages__",
    ],
    deps = ["//conformance/test_protos:test_messages_proto3_proto"],
)

java_lite_proto_library(
    name = "test_messages_proto2_java_proto_lite",
    visibility = [
        "//conformance:__pkg__",
        "//java:__subpackages__",
    ],
    deps = ["//conformance/test_protos:test_messages_proto2_proto"],
)

java_lite_proto_library(
    name = "test_messages_proto3_java_proto_lite",
    visibility = [
        "//conformance:__pkg__",
        "//java:__subpackages__",
    ],
    deps = ["//conformance/test_protos:test_messages_proto3_proto"],
)

internal_objc_proto_library(
    name = "test_messages_proto2_objc_proto",
    testonly = 1,
    srcs = ["//src/google/protobuf:test_messages_proto2.proto"],
    includes = ["src/google/protobuf"],
    visibility = [
        "//conformance:__pkg__",
        "//objectivec:__subpackages__",
    ],
)

internal_objc_proto_library(
    name = "test_messages_proto3_objc_proto",
    testonly = 1,
    srcs = ["//src/google/protobuf:test_messages_proto3.proto"],
    includes = [
        "src/google/protobuf",
        # The above must come first.
        "src",
    ],
    proto_deps = [":well_known_protos"],
    visibility = [
        "//conformance:__pkg__",
        "//objectivec:__subpackages__",
    ],
)

internal_php_proto_library(
    name = "test_messages_proto3_php_proto",
    testonly = 1,
    srcs = ["//src/google/protobuf:test_messages_proto3.proto"],
    outs = [
        "GPBMetadata/TestMessagesProto3.php",
        "Protobuf_test_messages/Proto3/EnumOnlyProto3.php",
        "Protobuf_test_messages/Proto3/EnumOnlyProto3/PBBool.php",
        "Protobuf_test_messages/Proto3/ForeignEnum.php",
        "Protobuf_test_messages/Proto3/ForeignMessage.php",
        "Protobuf_test_messages/Proto3/NullHypothesisProto3.php",
        "Protobuf_test_messages/Proto3/TestAllTypesProto3.php",
        "Protobuf_test_messages/Proto3/TestAllTypesProto3/AliasedEnum.php",
        "Protobuf_test_messages/Proto3/TestAllTypesProto3/NestedEnum.php",
        "Protobuf_test_messages/Proto3/TestAllTypesProto3/NestedMessage.php",
    ],
    includes = [
        "src/google/protobuf",
        # The above must come first.
        "src",
    ],
    proto_deps = [":well_known_protos"],
    visibility = [
        "//conformance:__pkg__",
        "//php:__subpackages__",
    ],
)

filegroup(
    name = "bzl_srcs",
    srcs = glob(["**/*.bzl"]),
    visibility = ["//visibility:public"],
)