| #!/usr/bin/env bash |
| # Copyright (c) 2022, 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. |
| |
| # Run dart2wasm on the Dart VM. This script assumes the Dart repo's |
| # directory structure. |
| |
| 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 "$BASH_SOURCE")" |
| |
| # Handle the case where dart-sdk/bin has been symlinked to. |
| PROG_DIR="$(cd "${PROG_NAME%/*}" ; pwd -P)" |
| SDK_DIR="$(cd "${PROG_DIR}/../.." ; pwd -P)" |
| |
| # Locate build directory, containing executables, snapshots and platform dill. |
| if [[ `uname` == 'Darwin' ]]; then |
| OUT_DIR="$SDK_DIR/xcodebuild" |
| else |
| OUT_DIR="$SDK_DIR/out" |
| fi |
| DART_CONFIGURATION=${DART_CONFIGURATION:-ReleaseX64} |
| BIN_DIR="$OUT_DIR/$DART_CONFIGURATION" |
| |
| DART_PRECOMPILED_RUNTIME="$BIN_DIR/dart_precompiled_runtime" |
| |
| # Point to SDK directory. |
| SDK_ARG="--dart-sdk=$SDK_DIR" |
| |
| # Point to built platform dill. |
| PLATFORM="$BIN_DIR/dart2wasm_platform.dill" |
| PLATFORM_ARG="--platform=$PLATFORM" |
| |
| unset EXTRA_VM_OPTIONS |
| declare -a EXTRA_VM_OPTIONS |
| |
| # Choose snapshot with or without asserts enabled. |
| SNAPSHOT_NAME="dart2wasm" |
| case $0 in |
| *_developer) |
| EXTRA_VM_OPTIONS+=('--enable_asserts') |
| SNAPSHOT_NAME="dart2wasm_asserts" |
| ;; |
| esac |
| SNAPSHOT="$BIN_DIR/$SNAPSHOT_NAME.snapshot" |
| |
| # 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+=("${OPTIONS[@]}") |
| fi |
| |
| DART_ROOT="$(cd "${SDK_DIR}/.." ; pwd -P)" |
| |
| exec "$DART_PRECOMPILED_RUNTIME" "--packages=$DART_ROOT/.packages" "${EXTRA_VM_OPTIONS[@]}" "$SNAPSHOT" "$SDK_ARG" "$PLATFORM_ARG" "$@" |