# Copyright 2020 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.

import("//build_overrides/pigweed.gni")

import("$dir_pw_build/facade.gni")
import("$dir_pw_build/target_types.gni")
import("$dir_pw_docgen/docs.gni")
import("$dir_pw_unit_test/test.gni")

declare_args() {
  # Backend for the pw_sync module's binary semaphore.
  pw_sync_BINARY_SEMAPHORE_BACKEND = ""

  # Backend for the pw_sync module's counting semaphore.
  pw_sync_COUNTING_SEMAPHORE_BACKEND = ""

  # Backend for the pw_sync module's mutex.
  pw_sync_MUTEX_BACKEND = ""

  # Backend for the pw_sync module's spin lock.
  pw_sync_SPIN_LOCK_BACKEND = ""
}

config("public_include_path") {
  include_dirs = [ "public" ]
  visibility = [ ":*" ]
}

pw_facade("binary_semaphore") {
  backend = pw_sync_BINARY_SEMAPHORE_BACKEND
  public_configs = [ ":public_include_path" ]
  public = [ "public/pw_sync/binary_semaphore.h" ]
  public_deps = [
    "$dir_pw_chrono:system_clock",
    "$dir_pw_preprocessor",
  ]
  sources = [ "binary_semaphore.cc" ]
}

pw_facade("counting_semaphore") {
  backend = pw_sync_COUNTING_SEMAPHORE_BACKEND
  public_configs = [ ":public_include_path" ]
  public = [ "public/pw_sync/counting_semaphore.h" ]
  public_deps = [
    "$dir_pw_chrono:system_clock",
    "$dir_pw_preprocessor",
  ]
  sources = [ "counting_semaphore.cc" ]
}

pw_facade("mutex") {
  backend = pw_sync_MUTEX_BACKEND
  public_configs = [ ":public_include_path" ]
  public = [ "public/pw_sync/mutex.h" ]
  public_deps = [
    "$dir_pw_chrono:system_clock",
    "$dir_pw_preprocessor",
  ]
  sources = [ "mutex.cc" ]
}

pw_facade("spin_lock") {
  backend = pw_sync_SPIN_LOCK_BACKEND
  public_configs = [ ":public_include_path" ]
  public = [ "public/pw_sync/spin_lock.h" ]
  public_deps = [ "$dir_pw_preprocessor" ]
  sources = [ "spin_lock.cc" ]
}

pw_source_set("yield_core") {
  public = [ "public/pw_sync/yield_core.h" ]
  public_configs = [ ":public_include_path" ]
}

pw_test_group("tests") {
  tests = [
    ":binary_semaphore_facade_test",
    ":counting_semaphore_facade_test",
    ":mutex_facade_test",
    ":spin_lock_facade_test",
  ]
}

pw_test("binary_semaphore_facade_test") {
  enable_if = pw_sync_BINARY_SEMAPHORE_BACKEND != ""
  sources = [
    "binary_semaphore_facade_test.cc",
    "binary_semaphore_facade_test_c.c",
  ]
  deps = [
    ":binary_semaphore",
    "$dir_pw_preprocessor",
    pw_sync_BINARY_SEMAPHORE_BACKEND,
  ]
}

pw_test("counting_semaphore_facade_test") {
  enable_if = pw_sync_COUNTING_SEMAPHORE_BACKEND != ""
  sources = [
    "counting_semaphore_facade_test.cc",
    "counting_semaphore_facade_test_c.c",
  ]
  deps = [
    ":counting_semaphore",
    "$dir_pw_preprocessor",
    pw_sync_COUNTING_SEMAPHORE_BACKEND,
  ]
}

pw_test("mutex_facade_test") {
  enable_if = pw_sync_MUTEX_BACKEND != ""
  sources = [
    "mutex_facade_test.cc",
    "mutex_facade_test_c.c",
  ]
  deps = [
    ":mutex",
    "$dir_pw_preprocessor",
    pw_sync_MUTEX_BACKEND,
  ]
}

pw_test("spin_lock_facade_test") {
  enable_if = pw_sync_SPIN_LOCK_BACKEND != ""
  sources = [
    "spin_lock_facade_test.cc",
    "spin_lock_facade_test_c.c",
  ]
  deps = [
    ":spin_lock",
    "$dir_pw_preprocessor",
    pw_sync_SPIN_LOCK_BACKEND,
  ]
}

pw_doc_group("docs") {
  sources = [ "docs.rst" ]
}