# Copyright 2025 The Pigweed Authors
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may not
# use this file except in compliance with the License. You may obtain a copy of
# the License at
#
#     https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations under
# the License.

load("@bazel_skylib//rules:common_settings.bzl", "bool_flag")
load("@pigweed//pw_build:compatibility.bzl", "incompatible_with_mcu")
load("@rules_rust//rust:defs.bzl", "rust_doc_test", "rust_library")
load("//pw_kernel:flags.bzl", "KERNEL_TEST_DEPS", "KERNEL_TEST_RUSTC_FLAGS")

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

# When debug_assertions is False, all debug_* macros will be compiled out.
#
# The pw_assert crate has it's own feature rather than re-using the rustc
# debug-assertions feature, as it allows for pw_assert debug_* macros to be
# enabled without incurring the additional runtime overhead of rusts
# debug-assertions feature.
bool_flag(
    name = "debug_assertions",
    build_setting_default = False,
)

config_setting(
    name = "debug_assertions_enabled",
    flag_values = {
        ":debug_assertions": "true",
    },
)

bool_flag(
    name = "default_handler",
    build_setting_default = False,
)

config_setting(
    name = "default_handler_enabled",
    flag_values = {
        ":default_handler": "true",
    },
)

rust_library(
    name = "pw_assert",
    srcs = [
        "pw_assert.rs",
    ],
    crate_features = ["color"] + select({
        ":debug_assertions_enabled": ["debug_assertions"],
        "//conditions:default": [],
    }) + select({
        ":default_handler_enabled": ["default_handler"],
        "//conditions:default": [],
    }),
    rustc_flags = KERNEL_TEST_RUSTC_FLAGS,
    tags = ["kernel"],
    deps = ["//pw_log/rust:pw_log"] + KERNEL_TEST_DEPS,
)

rust_doc_test(
    name = "pw_assert_doc_test",
    crate = ":pw_assert",
    tags = [
        "kernel",
        "kernel_doc_test",
    ],
    target_compatible_with = incompatible_with_mcu(),
)