utils/compile_platform.gni

# Copyright (c) 2017, the Dart project authors.  Please see the AUTHORS file
# for details. All rights reserved. Use of this source code is governed by a
# BSD-style license that can be found in the LICENSE file.

import("../build/dart/dart_action.gni")
import("../sdk_args.gni")

_dart_root = get_path_info("..", "abspath")
_is_dart = _dart_root == get_path_info("//", "abspath")

template("compile_platform") {
  assert(defined(invoker.libraries_specification_uri),
         "Need 'libraries_specification_uri' in $target_name")
  assert(defined(invoker.outputs), "Need 'outputs' in $target_name")
  assert(defined(invoker.args), "Need 'args' in $target_name")
  if (defined(invoker.single_root_scheme)) {
    assert(defined(invoker.single_root_base),
           "Need 'single_root_base' in $target_name")
  }
  if (defined(invoker.single_root_base)) {
    assert(defined(invoker.single_root_scheme),
           "Need 'single_root_scheme' in $target_name")
  }
  assert(!defined(invoker.script), "Remove 'script' from $target_name")
  assert(!defined(invoker.depfile), "Remove 'depfile' from $target_name")

  action(target_name) {
    mnemonic = "COMPILE_PLATFORM"

    if (defined(invoker.pool)) {
      pool = invoker.pool
    } else if (_is_dart) {
      pool = "//build/toolchain:local_action_pool($host_toolchain)"
    } else {
      pool = "$_dart_root/build/dart:dart_action_pool($default_toolchain)"
    }

    outputs = invoker.outputs
    depfile = outputs[0] + ".d"

    compile_platform_tool =
        "$_dart_root/utils:bootstrap_compile_platform.exe($host_toolchain)"
    compile_platform_exe =
        get_label_info(compile_platform_tool, "root_out_dir") +
        "/bootstrap_compile_platform.exe"

    deps = [ compile_platform_tool ]
    if (defined(invoker.deps)) {
      deps += invoker.deps
    }

    inputs = [ compile_platform_exe ]
    if (defined(invoker.inputs)) {
      inputs += invoker.inputs
    }

    script = "$_dart_root/build/gn_run_binary.py"
    args = [ rebase_path(compile_platform_exe, root_build_dir) ]
    args += invoker.args
    if (defined(invoker.single_root_scheme)) {
      args += [ "--single-root-scheme=" + invoker.single_root_scheme ]
    }
    if (defined(invoker.single_root_base)) {
      args += [ "--single-root-base=" + invoker.single_root_base ]
    }
    if (defined(invoker.single_root_scheme)) {
      args += [ invoker.libraries_specification_uri ]
    } else {
      args +=
          [ rebase_path(invoker.libraries_specification_uri, root_build_dir) ]
    }
    args += [ "unused-vm-platform.dill" ]
    args += rebase_path(outputs, root_build_dir)
  }
}