| @echo off | 
 | REM Copyright (c) 2013, 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. | 
 |  | 
 | setlocal | 
 | rem Handle the case where dart-sdk/bin has been symlinked to. | 
 | set DIR_NAME_WITH_SLASH=%~dp0 | 
 | set DIR_NAME=%DIR_NAME_WITH_SLASH:~0,-1%% | 
 | call :follow_links "%DIR_NAME%", RETURNED_BIN_DIR | 
 | rem Get rid of surrounding quotes. | 
 | for %%i in ("%RETURNED_BIN_DIR%") do set BIN_DIR=%%~fi | 
 |  | 
 | set DART=%BIN_DIR%\dart | 
 |  | 
 | rem Get absolute full name for SDK_DIR. | 
 | for %%i in ("%BIN_DIR%\..\") do set SDK_DIR=%%~fi | 
 |  | 
 | rem Remove trailing backslash if there is one | 
 | if %SDK_DIR:~-1%==\ set SDK_DIR=%SDK_DIR:~0,-1% | 
 |  | 
 | rem Get absolute full name for DART_ROOT. | 
 | for %%i in ("%SDK_DIR%\..\") do set DART_ROOT=%%~fi | 
 |  | 
 | rem Remove trailing backslash if there is one | 
 | if %DART_ROOT:~-1%==\ set DART_ROOT=%DART_ROOT:~0,-1% | 
 |  | 
 | set DARTFMT=%DART_ROOT%\third_party\pkg_tested\dart_style\bin\format.dart | 
 |  | 
 | "%DART%" "--packages=%DART_ROOT%\.packages" "%DARTFMT%" %* | 
 |  | 
 | endlocal | 
 |  | 
 | exit /b %errorlevel% | 
 |  | 
 | rem Follow the symbolic links (junctions points) using `dir to determine the | 
 | rem canonical path. Output with a link looks something like this | 
 | rem | 
 | rem 01/03/2013  10:11 PM    <JUNCTION>     abc def | 
 | rem [c:\dart_bleeding\dart-repo.9\dart\out\ReleaseIA32\dart-sdk] | 
 | rem | 
 | rem So in the output of 'dir /a:l "targetdir"' we are looking for a filename | 
 | rem surrounded by right angle bracket and left square bracket. Once we get | 
 | rem the filename, which is name of the link, we recursively follow that. | 
 | :follow_links | 
 | setlocal | 
 | for %%i in (%1) do set result=%%~fi | 
 | set current= | 
 | for /f "usebackq tokens=2 delims=[]" %%i in (`dir /a:l "%~dp1" 2^>nul ^ | 
 |                                              ^| %SystemRoot%\System32\find.exe ">     %~n1 [" 2^>nul`) do ( | 
 |   set current=%%i | 
 | ) | 
 | if not "%current%"=="" call :follow_links "%current%", result | 
 | endlocal & set %~2=%result% | 
 | goto :eof | 
 |  | 
 | :end |