#!/bin/bash
# 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.

# TODO(ahe): This should be replaced by a Dart script that works on Windows,
# Linux, and Mac.

set -e

REPO_DIR="$(cd ${BASH_SOURCE%/*} && git rev-parse --show-toplevel)"

DART_VM=${DART_VM-"${REPO_DIR}/sdk/bin/dart"}

TOOL_DIR="${REPO_DIR}/pkg/front_end/tool/_fasta"

KERNEL_BIN="${REPO_DIR}/pkg/kernel/bin"

function stop {
  echo "$@" >&2
  exit 2
}

export DART_CONFIGURATION=${DART_CONFIGURATION:-ReleaseX64}

case "${1//_/-}" in
  abcompile) SCRIPT="${TOOL_DIR}/abcompile.dart";;
  analyzer-compile)
    stop "'$1' isn't supported anymore, please use 'compile' instead."
    ;;
  compile) SCRIPT="${TOOL_DIR}/compile.dart";;
  compile-platform) SCRIPT="${TOOL_DIR}/compile_platform.dart";;
  log) SCRIPT="${TOOL_DIR}/log_analyzer.dart";;
  logd) SCRIPT="${TOOL_DIR}/log_collector.dart";;
  outline) SCRIPT="${TOOL_DIR}/outline.dart";;
  parser) SCRIPT="${TOOL_DIR}/parser.dart";;
  run)
    stop "'$1' isn't supported anymore, please use 'kernel-service' instead."
    ;;
  scanner) SCRIPT="${TOOL_DIR}/scanner.dart";;
  dump-partial) SCRIPT="${TOOL_DIR}/dump_partial.dart";;
  dump-ir)
    SCRIPT="${KERNEL_BIN}/dump.dart"
    if [ "$#" = "2" ]; then
      # Write to stdout if no target is given.
      set -- "$@" /dev/fd/1
    fi
    if [ "$#" != "3" ]; then
      stop "Usage: $1 dillfile [output]"
    fi
    ;;
  kernel-service)
    shift
    PATCHED_SDK_DIR=$(
      ls -d {xcodebuild,out}/${DART_CONFIGURATION} 2>/dev/null \
        | head -1)
    exec "${DART_VM}" --preview_dart_2 -DDFE_VERBOSE=true "$@"
    ;;
  testing)
    SCRIPT="${REPO_DIR}/pkg/testing/bin/testing.dart"
    set -- "$@" "--config=${REPO_DIR}/pkg/front_end/testing.json"
    ;;
  generate-messages) SCRIPT="${TOOL_DIR}/generate_messages.dart";;
  *)
    stop "'$1' isn't a valid subcommand."
    ;;
esac

shift

exec "${DART_VM}" --no_preview_dart_2 -c "${SCRIPT}" "$@"