# 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("$dir_pw_build/module_config.gni")
import("$dir_pw_build/target_types.gni")
import("$dir_pw_docgen/docs.gni")

declare_args() {
  # The build target that overrides the default configuration options for this
  # module. This should point to a source set that provides defines through a
  # public config (which may -include a file or add defines directly).
  pw_log_basic_CONFIG = pw_build_DEFAULT_MODULE_CONFIG
}

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

config("backend_config") {
  include_dirs = [ "public_overrides" ]
}

# pw_log_basic only provides the backend's interface. The implementation is
# pulled in through pw_build_LINK_DEPS.
pw_source_set("pw_log_basic") {
  public_configs = [
    ":backend_config",
    ":public_include_path",
  ]
  public = [
    "public/pw_log_basic/log_basic.h",
    "public_overrides/pw_log_backend/log_backend.h",
  ]
  public_deps = [ dir_pw_preprocessor ]
}

# The log backend deps that might cause circular dependencies, since
# pw_log is so ubiquitous. These deps are kept separate so they can be
# depended on from elsewhere.
pw_source_set("pw_log_basic.impl") {
  deps = [
    ":pw_log_basic",
    "$dir_pw_log:facade",
    dir_pw_string,
    dir_pw_sys_io,
    pw_log_basic_CONFIG,
  ]

  # Use emoji log levels if they've been enabled.
  _use_emoji = getenv("PW_EMOJI")
  defines = []
  if (_use_emoji == "1") {
    defines += [ "PW_EMOJI=1" ]
  }

  sources = [
    "log_basic.cc",
    "pw_log_basic_private/config.h",
  ]
}

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