|  | @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. | 
|  |  | 
|  | 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 | 
|  |  | 
|  | 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% | 
|  |  | 
|  | set DART=%BIN_DIR%\dart | 
|  |  | 
|  | set EXTRA_OPTIONS= | 
|  | set EXTRA_VM_OPTIONS= | 
|  |  | 
|  | if _%DART2JS_DEVELOPER_MODE%_ == _1_ ( | 
|  | set EXTRA_VM_OPTIONS=%EXTRA_VM_OPTIONS% --enable-asserts | 
|  | ) | 
|  |  | 
|  | rem We allow extra vm options to be passed in through an environment variable. | 
|  | if not "_%DART_VM_OPTIONS%_" == "__" ( | 
|  | set EXTRA_VM_OPTIONS=%EXTRA_VM_OPTIONS% %DART_VM_OPTIONS% | 
|  | ) | 
|  |  | 
|  | 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 DART2JS=%DART_ROOT%\pkg\compiler\lib\src\dart2js.dart | 
|  |  | 
|  | "%DART%" "--packages=%DART_ROOT%\.packages" %EXTRA_VM_OPTIONS% "%DART2JS%" %EXTRA_OPTIONS% %* | 
|  |  | 
|  | endlocal | 
|  |  | 
|  | exit /b %errorlevel% | 
|  |  | 
|  | :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 |