#!/usr/bin/env bash # Copyright (c) 2012, 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. function follow_links() { file="$1" while [ -h "$file" ]; do # On Mac OS, readlink -f doesn't work. file="$(readlink "$file")" done echo "$file" } # Unlike $0, $BASH_SOURCE points to the absolute path of this file. PROG_NAME="$(follow_links "$BASH_SOURCE")" # Handle the case where dart-sdk/bin has been symlinked to. BIN_DIR="$(cd "${PROG_NAME%/*}" ; pwd -P)" SDK_DIR="$(cd "${BIN_DIR}/.." ; pwd -P)" DART="$BIN_DIR/dart" SNAPSHOT_DIR="$BIN_DIR/snapshots" SNAPSHOT="$SNAPSHOT_DIR/dart2js.dart.snapshot" unset EXTRA_OPTIONS declare -a EXTRA_OPTIONS if test -t 1; then # Stdout is a terminal. if test 8 -le `tput colors`; then # Stdout has at least 8 colors, so enable colors. EXTRA_OPTIONS+=('--enable-diagnostic-colors') fi fi unset EXTRA_VM_OPTIONS declare -a EXTRA_VM_OPTIONS if test -f "$SNAPSHOT"; then EXTRA_OPTIONS+=("--libraries-spec=$SDK_DIR/lib/libraries.json") fi case $0 in *_developer) EXTRA_VM_OPTIONS+=('--enable-asserts') ;; esac # We allow extra vm options to be passed in through an environment variable. if [[ $DART_VM_OPTIONS ]]; then read -a OPTIONS <<< "$DART_VM_OPTIONS" EXTRA_VM_OPTIONS+=("${OPTIONS[@]}") fi exec "$DART" "${EXTRA_VM_OPTIONS[@]}" "$SNAPSHOT" "${EXTRA_OPTIONS[@]}" "$@"