toolchain/args/cc/BUILD.bazel

# SPDX-FileCopyrightText: Copyright 2026 The Pigweed Authors
# SPDX-License-Identifier: Apache-2.0

load("@bazel_skylib//lib:selects.bzl", "selects")
load("@bazel_skylib//rules:common_settings.bzl", "string_flag")
load("@rules_cc//cc/toolchains:args.bzl", "cc_args")
load("@rules_cc//cc/toolchains:feature.bzl", "cc_feature")

package(default_visibility = ["//visibility:public"])

# C++ Standard features
cc_args(
    name = "c++98_args",
    actions = ["@rules_cc//cc/toolchains/actions:cpp_compile_actions"],
    args = ["-std=c++98"],
)

cc_feature(
    name = "c++98",
    args = [":c++98_args"],
    feature_name = "c++98",
)

cc_args(
    name = "c++11_args",
    actions = ["@rules_cc//cc/toolchains/actions:cpp_compile_actions"],
    args = ["-std=c++11"],
)

cc_feature(
    name = "c++11",
    args = [":c++11_args"],
    feature_name = "c++11",
)

cc_args(
    name = "c++14_args",
    actions = ["@rules_cc//cc/toolchains/actions:cpp_compile_actions"],
    args = ["-std=c++14"],
)

cc_feature(
    name = "c++14",
    args = [":c++14_args"],
    feature_name = "c++14",
)

cc_args(
    name = "c++17_args",
    actions = ["@rules_cc//cc/toolchains/actions:cpp_compile_actions"],
    args = ["-std=c++17"],
)

cc_feature(
    name = "c++17",
    args = [":c++17_args"],
    feature_name = "c++17",
)

cc_args(
    name = "c++20_args",
    actions = ["@rules_cc//cc/toolchains/actions:cpp_compile_actions"],
    args = ["-std=c++20"],
)

cc_feature(
    name = "c++20",
    args = [":c++20_args"],
    feature_name = "c++20",
)

cc_args(
    name = "c++23_args",
    actions = ["@rules_cc//cc/toolchains/actions:cpp_compile_actions"],
    args = ["-std=c++23"],
)

cc_feature(
    name = "c++23",
    args = [":c++23_args"],
    feature_name = "c++23",
)

string_flag(
    name = "cxx_standard",
    build_setting_default = "kconfig",
    values = [
        "kconfig",
        "98",
        "11",
        "14",
        "17",
        "20",
        "23",
    ],
)

config_setting(
    name = "cxx_std_kconfig",
    flag_values = {":cxx_standard": "kconfig"},
)

config_setting(
    name = "cxx_std_98",
    flag_values = {":cxx_standard": "98"},
)

config_setting(
    name = "cxx_std_11",
    flag_values = {":cxx_standard": "11"},
)

config_setting(
    name = "cxx_std_14",
    flag_values = {":cxx_standard": "14"},
)

config_setting(
    name = "cxx_std_17",
    flag_values = {":cxx_standard": "17"},
)

config_setting(
    name = "cxx_std_20",
    flag_values = {":cxx_standard": "20"},
)

config_setting(
    name = "cxx_std_23",
    flag_values = {":cxx_standard": "23"},
)

# Kconfig OR groups
selects.config_setting_group(
    name = "kconfig_cpp20_any",
    match_any = [
        "@zephyr_kconfig//:CONFIG_STD_CPP20=true",
        "@zephyr_kconfig//:CONFIG_STD_CPP2A=true",
    ],
)

selects.config_setting_group(
    name = "kconfig_cpp23_any",
    match_any = [
        "@zephyr_kconfig//:CONFIG_STD_CPP23=true",
        "@zephyr_kconfig//:CONFIG_STD_CPP2B=true",
    ],
)

# AND groups (kconfig mode AND specific standard)
selects.config_setting_group(
    name = "cxx_std_kconfig_and_cpp98",
    match_all = [
        ":cxx_std_kconfig",
        "@zephyr_kconfig//:CONFIG_STD_CPP98=true",
    ],
)

selects.config_setting_group(
    name = "cxx_std_kconfig_and_cpp11",
    match_all = [
        ":cxx_std_kconfig",
        "@zephyr_kconfig//:CONFIG_STD_CPP11=true",
    ],
)

selects.config_setting_group(
    name = "cxx_std_kconfig_and_cpp14",
    match_all = [
        ":cxx_std_kconfig",
        "@zephyr_kconfig//:CONFIG_STD_CPP14=true",
    ],
)

selects.config_setting_group(
    name = "cxx_std_kconfig_and_cpp17",
    match_all = [
        ":cxx_std_kconfig",
        "@zephyr_kconfig//:CONFIG_STD_CPP17=true",
    ],
)

selects.config_setting_group(
    name = "cxx_std_kconfig_and_cpp20",
    match_all = [
        ":cxx_std_kconfig",
        ":kconfig_cpp20_any",
    ],
)

selects.config_setting_group(
    name = "cxx_std_kconfig_and_cpp23",
    match_all = [
        ":cxx_std_kconfig",
        ":kconfig_cpp23_any",
    ],
)

# Final Triggers (explicit OR (kconfig AND kconfig_option))
selects.config_setting_group(
    name = "c++98_enabled",
    match_any = [
        ":cxx_std_98",
        ":cxx_std_kconfig_and_cpp98",
    ],
)

selects.config_setting_group(
    name = "c++11_enabled",
    match_any = [
        ":cxx_std_11",
        ":cxx_std_kconfig_and_cpp11",
    ],
)

selects.config_setting_group(
    name = "c++14_enabled",
    match_any = [
        ":cxx_std_14",
        ":cxx_std_kconfig_and_cpp14",
    ],
)

selects.config_setting_group(
    name = "c++17_enabled",
    match_any = [
        ":cxx_std_17",
        ":cxx_std_kconfig_and_cpp17",
    ],
)

selects.config_setting_group(
    name = "c++20_enabled",
    match_any = [
        ":cxx_std_20",
        ":cxx_std_kconfig_and_cpp20",
    ],
)

selects.config_setting_group(
    name = "c++23_enabled",
    match_any = [
        ":cxx_std_23",
        ":cxx_std_kconfig_and_cpp23",
    ],
)