275 lines
10 KiB
C#
275 lines
10 KiB
C#
/*
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* Copyright (c) Contributors, http://opensimulator.org/
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* See CONTRIBUTORS.TXT for a full list of copyright holders.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the OpenSimulator Project nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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using System;
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using System.CodeDom.Compiler;
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using System.Collections.Generic;
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using System.IO;
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using System.Reflection;
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using System.Text;
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using log4net;
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using Microsoft.CSharp;
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using Nini.Config;
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using OpenMetaverse;
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using OpenSim.Framework;
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using OpenSim.Region.Framework.Interfaces;
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using OpenSim.Region.Framework.Scenes;
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namespace OpenSim.Region.OptionalModules.Scripting.Minimodule
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{
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public class MRMModule : IRegionModule
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{
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private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
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private Scene m_scene;
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private readonly Dictionary<UUID,MRMBase> m_scripts = new Dictionary<UUID, MRMBase>();
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private static readonly CSharpCodeProvider CScodeProvider = new CSharpCodeProvider();
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public void Initialise(Scene scene, IConfigSource source)
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{
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if (source.Configs["MRM"] != null)
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{
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if (source.Configs["MRM"].GetBoolean("Enabled", false))
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{
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m_log.Info("[MRM] Enabling MRM Module");
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m_scene = scene;
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scene.EventManager.OnRezScript += EventManager_OnRezScript;
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}
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else
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{
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m_log.Info("[MRM] Disabled MRM Module (Disabled in ini)");
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}
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}
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else
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{
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m_log.Info("[MRM] Disabled MRM Module (Default disabled)");
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}
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}
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void EventManager_OnRezScript(uint localID, UUID itemID, string script, int startParam, bool postOnRez, string engine, int stateSource)
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{
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if (script.StartsWith("//MiniMod:C#"))
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{
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try
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{
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m_log.Info("[MRM] Found C# MRM");
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IWorld m_world = new World(m_scene);
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IHost m_host = new Host(new SOPObject(m_scene, localID));
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MRMBase mmb = (MRMBase)AppDomain.CurrentDomain.CreateInstanceFromAndUnwrap(
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CompileFromDotNetText(script, itemID.ToString()),
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"OpenSim.MiniModule");
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m_log.Info("[MRM] Created MRM Instance");
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mmb.InitMiniModule(m_world, m_host, itemID);
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m_scripts[itemID] = mmb;
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m_log.Info("[MRM] Starting MRM");
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mmb.Start();
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}
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catch (Exception e)
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{
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m_scene.Broadcast(delegate(IClientAPI user)
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{
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user.SendAlertMessage(
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"MiniRegionModule Compilation and Initialisation failed: " + e);
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});
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}
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}
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}
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public void PostInitialise()
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{
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}
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public void Close()
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{
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foreach (KeyValuePair<UUID, MRMBase> pair in m_scripts)
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{
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pair.Value.Stop();
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}
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}
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public string Name
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{
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get { return "MiniRegionModule"; }
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}
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public bool IsSharedModule
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{
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get { return false; }
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}
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/// <summary>
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/// Stolen from ScriptEngine Common
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/// </summary>
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/// <param name="Script"></param>
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/// <param name="uuid">Unique ID for this module</param>
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/// <returns></returns>
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internal string CompileFromDotNetText(string Script, string uuid)
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{
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const string ext = ".cs";
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const string FilePrefix = "MiniModule";
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// Output assembly name
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string OutFile = Path.Combine("MiniModules", Path.Combine(
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m_scene.RegionInfo.RegionID.ToString(),
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FilePrefix + "_compiled_" + uuid + ".dll"));
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// Create Directories for Assemblies
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if (!Directory.Exists("MiniModules"))
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Directory.CreateDirectory("MiniModules");
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string tmp = Path.Combine("MiniModules", m_scene.RegionInfo.RegionID.ToString());
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if (!Directory.Exists(tmp))
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Directory.CreateDirectory(tmp);
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try
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{
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File.Delete(OutFile);
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}
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catch (IOException e)
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{
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throw new Exception("Unable to delete old existing " +
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"script-file before writing new. Compile aborted: " +
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e);
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}
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// DEBUG - write source to disk
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string srcFileName = FilePrefix + "_source_" +
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Path.GetFileNameWithoutExtension(OutFile) + ext;
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try
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{
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File.WriteAllText(Path.Combine(Path.Combine(
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"MiniModules",
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m_scene.RegionInfo.RegionID.ToString()),
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srcFileName), Script);
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}
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catch (Exception ex) //NOTLEGIT - Should be just FileIOException
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{
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m_log.Error("[Compiler]: Exception while " +
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"trying to write script source to file \"" +
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srcFileName + "\": " + ex.ToString());
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}
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// Do actual compile
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CompilerParameters parameters = new CompilerParameters();
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parameters.IncludeDebugInformation = true;
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string rootPath =
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Path.GetDirectoryName(AppDomain.CurrentDomain.BaseDirectory);
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// TODO: Add Libraries
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parameters.ReferencedAssemblies.Add(Path.Combine(rootPath,
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"OpenSim.Region.OptionalModules.dll"));
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parameters.ReferencedAssemblies.Add(Path.Combine(rootPath,
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"log4net.dll"));
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parameters.GenerateExecutable = false;
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parameters.OutputAssembly = OutFile;
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parameters.IncludeDebugInformation = true;
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parameters.TreatWarningsAsErrors = false;
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CompilerResults results = CScodeProvider.CompileAssemblyFromSource(
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parameters, Script);
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int display = 5;
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if (results.Errors.Count > 0)
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{
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string errtext = String.Empty;
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foreach (CompilerError CompErr in results.Errors)
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{
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// Show 5 errors max
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//
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if (display <= 0)
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break;
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display--;
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string severity = "Error";
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if (CompErr.IsWarning)
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{
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severity = "Warning";
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}
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string text = CompErr.ErrorText;
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// The Second Life viewer's script editor begins
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// countingn lines and columns at 0, so we subtract 1.
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errtext += String.Format("Line ({0},{1}): {4} {2}: {3}\n",
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CompErr.Line - 1, CompErr.Column - 1,
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CompErr.ErrorNumber, text, severity);
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}
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if (!File.Exists(OutFile))
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{
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throw new Exception(errtext);
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}
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}
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if (!File.Exists(OutFile))
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{
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string errtext = String.Empty;
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errtext += "No compile error. But not able to locate compiled file.";
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throw new Exception(errtext);
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}
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FileInfo fi = new FileInfo(OutFile);
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Byte[] data = new Byte[fi.Length];
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try
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{
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FileStream fs = File.Open(OutFile, FileMode.Open, FileAccess.Read);
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fs.Read(data, 0, data.Length);
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fs.Close();
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}
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catch (IOException)
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{
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string errtext = String.Empty;
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errtext += "No compile error. But not able to open file.";
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throw new Exception(errtext);
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}
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// Convert to base64
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//
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string filetext = Convert.ToBase64String(data);
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ASCIIEncoding enc = new ASCIIEncoding();
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Byte[] buf = enc.GetBytes(filetext);
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FileStream sfs = File.Create(OutFile + ".cil.b64");
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sfs.Write(buf, 0, buf.Length);
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sfs.Close();
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return OutFile;
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}
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}
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}
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