| #!/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" --enable-experiment=non-nullable "${EXTRA_VM_OPTIONS[@]}" "$SNAPSHOT" "${EXTRA_OPTIONS[@]}" "$@" |