Call dart2js directly from sdk/bin.

dart/utils/compiler/build_helper.dart

-// 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.
-
-import 'dart:io';
-import 'dart:uri';
-
-import '../../sdk/lib/_internal/compiler/implementation/util/uri_extras.dart';
-import '../../sdk/lib/_internal/compiler/implementation/filenames.dart';
-
-main() {
-  List<String> arguments = new Options().arguments;
-  Uri cwd = getCurrentDirectory();
-  String productDir = appendSlash(nativeToUriPath(arguments[0]));
-  String dartVmPath = nativeToUriPath(arguments[1]);
-  String productionName = nativeToUriPath(arguments[2]);
-  String developerName = nativeToUriPath(arguments[3]);
-  String dartdocName = nativeToUriPath(arguments[4]);
-  String dartDir = appendSlash(nativeToUriPath(arguments[5]));
-
-  Uri dartUri = cwd.resolve(dartDir);
-  Uri productUri = cwd.resolve(productDir);
-
-  Uri dartVmUri = productUri.resolve(dartVmPath);
-  Uri productionUri = productUri.resolve(arguments[2]);
-  Uri developerUri = productUri.resolve(arguments[3]);
-  Uri dartdocUri = productUri.resolve(arguments[4]);
-
-  List<String> productionScript = buildScript(
-      'dart2js-production',
-      dartUri, dartVmUri,
-      'sdk/lib/_internal/compiler/implementation/dart2js.dart', '');
-  writeScript(productionUri, productionScript);
-
-  List<String> developerScript = buildScript(
-      'dart2js-developer',
-      dartUri, dartVmUri,
-      'sdk/lib/_internal/compiler/implementation/dart2js.dart',
-      r' ${DART_VM_FLAGS:---enable_checked_mode}');
-  writeScript(developerUri, developerScript);
-
-  List<String> dartdocScript = buildScript(
-      'dartdoc',
-      dartUri, dartVmUri,
-      'sdk/lib/_internal/dartdoc/bin/dartdoc.dart', '');
-  writeScript(dartdocUri, dartdocScript);
-}
-
-writeScript(Uri uri, List<String> scripts) {
-  String unixScript = scripts[0];
-  String batFile = scripts[1];
-  var f = new File(uriPathToNative(uri.path));
-  var stream = f.openSync(FileMode.WRITE);
-  try {
-    stream.writeStringSync(unixScript);
-  } finally {
-    stream.closeSync();
-  }
-
-  f = new File('${uriPathToNative(uri.path)}.bat');
-  stream = f.openSync(FileMode.WRITE);
-  try {
-    stream.writeStringSync(batFile);
-  } finally {
-    stream.closeSync();
-  }
-
-  if (Platform.operatingSystem != 'windows') {
-    onExit(ProcessResult result) {
-      if (result.exitCode != 0) {
-        print(result.stdout);
-        print(result.stderr);
-        exit(result.exitCode);
-      }
-    }
-    Process.run('/bin/chmod', ['+x', uri.path]).then(onExit);
-  }
-}
-
-List<String> buildScript(String name,
-                         Uri dartUri, Uri dartVmLocation,
-                         String entrypoint, String options) {
-  bool isWindows = (Platform.operatingSystem == 'windows');
-  Uri uri = dartUri.resolve(entrypoint);
-  String path = relativize(dartVmLocation, uri, isWindows);
-  String pathWin = path.replaceAll("/", "\\");
-
-  print('dartUri = $dartUri');
-  print('dartVmLocation = $dartVmLocation');
-  print('${name}Uri = $uri');
-  print('${name}Path = $path');
-  print('${name}PathWin = $pathWin');
-
-  // Tell the VM to grow the heap more aggressively. This should only
-  // be necessary temporarily until the VM is better at detecting how
-  // applications use memory.
-  // TODO(ahe): Remove this option (http://dartbug.com/6495).
-  options = ' --heap_growth_rate=512$options';
-
-  // Tell the VM to don't bother inlining methods. So far it isn't
-  // paying off but the VM team is working on fixing that.
-  // TODO(ahe): Remove this option (http://dartbug.com/6495).
-  options = ' --no_use_inlining$options';
-
-  return [
-'''
-#!/bin/bash
-# Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
-# for details. All rights reserved. Use of this source code is governed by a
-# BSD-style license that can be found in the LICENSE file.
-
-# Setting BIN_DIR this way is ugly, but is needed to handle the case where
-# dart-sdk/bin has been symlinked to. On MacOS, readlink doesn't work
-# with this case.
-BIN_DIR="\$(cd "\${0%/*}" ; pwd -P)"
-
-unset COLORS
-if test -t 1; then
-  # Stdout is a terminal.
-  if test 8 -le `tput colors`; then
-    # Stdout has at least 8 colors, so enable colors.
-    COLORS="--enable-diagnostic-colors"
-  fi
-fi
-
-unset SNAPSHOT
-if test -f "\$BIN_DIR/${path}.snapshot"; then
-  # TODO(ahe): Remove the following line when we are relatively sure it works.
-  echo Using snapshot "\$BIN_DIR/${path}.snapshot" 1>&2
-  SNAPSHOT="--use_script_snapshot=\$BIN_DIR/${path}.snapshot"
-fi
-exec "\$BIN_DIR"/dart$options \$SNAPSHOT "\$BIN_DIR/$path" \$COLORS "\$@"
-''',
-'''
-@echo off
-REM Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
-REM for details. All rights reserved. Use of this source code is governed by a
-REM BSD-style license that can be found in the LICENSE file.
-
-set SCRIPTPATH=%~dp0
-
-REM Does the path have a trailing slash? If so, remove it.
-if %SCRIPTPATH:~-1%==\ set SCRIPTPATH=%SCRIPTPATH:~0,-1%
-
-set arguments=%*
-set SNAPSHOT=
-set SNAPSHOTNAME=%SCRIPTPATH%${pathWin}.snapshot
-if exist %SNAPSHOTNAME% (
-  echo Using snapshot "%SNAPSHOTNAME%" 1>&2
-  set SNAPSHOT=--use_script_snapshot=%SNAPSHOTNAME%
-)
-
-"%SCRIPTPATH%\dart.exe"$options %SNAPSHOT% "%SCRIPTPATH%$pathWin" %arguments%
-'''.replaceAll('\n', '\r\n')];
-}