# 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("$dir_pw_sys_io/backend.gni")
import("$dir_pw_toolchain/arm_gcc/toolchains.gni")

declare_args() {
  # Enable the pw_target_runner for on-device testing.
  pw_arduino_use_test_server = false
}
_target_config = {
  # Use the logging main.
  pw_unit_test_MAIN = "$dir_pw_unit_test:simple_printing_main"

  # Configuration options for Pigweed executable targets.
  pw_build_EXECUTABLE_TARGET_TYPE = "arduino_executable"

  pw_build_EXECUTABLE_TARGET_TYPE_FILE =
      get_path_info("arduino_executable.gni", "abspath")

  # Path to the bloaty config file for the output binaries.
  pw_bloat_BLOATY_CONFIG = "$dir_pw_boot_armv7m/bloaty_config.bloaty"

  if (pw_arduino_use_test_server) {
    _test_runner_script =
        "$dir_pw_arduino_build/py/pw_arduino_build/unit_test_client.py"
    pw_unit_test_AUTOMATIC_RUNNER =
        get_path_info(_test_runner_script, "abspath")
  }

  # Facade backends
  pw_assert_BACKEND = dir_pw_assert_basic
  pw_log_BACKEND = dir_pw_log_basic
  pw_sys_io_BACKEND = dir_pw_sys_io_arduino
  pw_arduino_build_INIT_BACKEND = "$dir_pigweed/targets/arduino:pre_init"

  current_cpu = "arm"
  current_os = ""
}

_toolchain_properties = {
  final_binary_extension = ".elf"
}

_target_default_configs = [
  "$dir_pw_toolchain/arm_gcc:enable_float_printf",
  "$dir_pigweed/targets/arduino:arduino_build",
]

pw_target_toolchain_arduino = {
  _excluded_members = [
    "defaults",
    "name",
  ]

  debug = {
    name = "arduino_debug"
    _toolchain_base = pw_toolchain_arm_gcc.cortex_m4f_debug
    forward_variables_from(_toolchain_base, "*", _excluded_members)
    forward_variables_from(_toolchain_properties, "*")
    defaults = {
      forward_variables_from(_toolchain_base.defaults, "*")
      forward_variables_from(_target_config, "*")
      default_configs = []
      default_configs = _target_default_configs
    }
  }

  speed_optimized = {
    name = "arduino_speed_optimized"
    _toolchain_base = pw_toolchain_arm_gcc.cortex_m4f_speed_optimized
    forward_variables_from(_toolchain_base, "*", _excluded_members)
    forward_variables_from(_toolchain_properties, "*")
    defaults = {
      forward_variables_from(_toolchain_base.defaults, "*")
      forward_variables_from(_target_config, "*")
      default_configs = []
      default_configs = _target_default_configs
    }
  }

  size_optimized = {
    name = "arduino_size_optimized"
    _toolchain_base = pw_toolchain_arm_gcc.cortex_m4f_size_optimized
    forward_variables_from(_toolchain_base, "*", _excluded_members)
    forward_variables_from(_toolchain_properties, "*")
    defaults = {
      forward_variables_from(_toolchain_base.defaults, "*")
      forward_variables_from(_target_config, "*")
      default_configs = []
      default_configs = _target_default_configs
    }
  }
}

# This list just contains the members of the above scope for convenience to make
# it trivial to generate all the toolchains in this file via a
# `generate_toolchains` target.
pw_target_toolchain_arduino_list = [
  pw_target_toolchain_arduino.debug,
  pw_target_toolchain_arduino.speed_optimized,
  pw_target_toolchain_arduino.size_optimized,
]