blob: 70c60b7c2f066ea906ffd1d83fcc12e59d17639e [file] [log] [blame]
#!/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 "$SNAPSHOT"; then
EXTRA_OPTIONS+=("--library-root=$SDK_DIR")
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" "${EXTRA_OPTIONS[@]}" "$@"