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using System;
using System.Collections.Generic;
using System.Text;
using System.IO;
using Microsoft.CSharp;
using System.CodeDom.Compiler;
using System.Reflection;
namespace OpenSim.Region.ScriptEngine.DotNetEngine.Compiler.LSL
{
public class Compiler
{
private LSL2CSConverter LSL_Converter = new LSL2CSConverter();
private CSharpCodeProvider codeProvider = new CSharpCodeProvider();
private static UInt64 scriptCompileCounter = 0;
//private ICodeCompiler icc = codeProvider.CreateCompiler();
public string CompileFromFile(string LSOFileName)
{
switch (System.IO.Path.GetExtension(LSOFileName).ToLower())
{
case ".txt":
case ".lsl":
Common.SendToDebug("Source code is LSL, converting to CS");
return CompileFromLSLText(File.ReadAllText(LSOFileName));
case ".cs":
Common.SendToDebug("Source code is CS");
return CompileFromCSText(File.ReadAllText(LSOFileName));
default:
throw new Exception("Unknown script type.");
}
}
/// <summary>
/// Converts script from LSL to CS and calls CompileFromCSText
/// </summary>
/// <param name="Script">LSL script</param>
/// <returns>Filename to .dll assembly</returns>
public string CompileFromLSLText(string Script)
{
if (Script.Substring(0, 4).ToLower() == "//c#")
{
return CompileFromCSText( Script );
}
else
{
return CompileFromCSText(LSL_Converter.Convert(Script));
}
}
/// <summary>
/// Compile CS script to .Net assembly (.dll)
/// </summary>
/// <param name="Script">CS script</param>
/// <returns>Filename to .dll assembly</returns>
public string CompileFromCSText(string Script)
{
// Output assembly name
scriptCompileCounter++;
string OutFile = Path.Combine("ScriptEngines", "Script_" + scriptCompileCounter + ".dll");
try
{
System.IO.File.Delete(OutFile);
}
catch (Exception e)
{
Console.WriteLine("Exception attempting to delete old compiled script: " + e.ToString());
}
//string OutFile = Path.Combine("ScriptEngines", "SecondLife.Script.dll");
// DEBUG - write source to disk
try
{
File.WriteAllText(Path.Combine("ScriptEngines", "debug_" + Path.GetFileNameWithoutExtension(OutFile) + ".cs"), Script);
}
catch { }
// Do actual compile
System.CodeDom.Compiler.CompilerParameters parameters = new CompilerParameters();
parameters.IncludeDebugInformation = true;
// Add all available assemblies
foreach (Assembly asm in AppDomain.CurrentDomain.GetAssemblies())
{
//Console.WriteLine("Adding assembly: " + asm.Location);
//parameters.ReferencedAssemblies.Add(asm.Location);
}
string rootPath = Path.GetDirectoryName(AppDomain.CurrentDomain.BaseDirectory);
string rootPathSE = Path.GetDirectoryName(this.GetType().Assembly.Location);
//Console.WriteLine("Assembly location: " + rootPath);
parameters.ReferencedAssemblies.Add(Path.Combine(rootPath, "OpenSim.Region.ScriptEngine.Common.dll"));
parameters.ReferencedAssemblies.Add(Path.Combine(rootPathSE, "OpenSim.Region.ScriptEngine.DotNetEngine.dll"));
//parameters.ReferencedAssemblies.Add("OpenSim.Region.Environment");
parameters.GenerateExecutable = false;
parameters.OutputAssembly = OutFile;
parameters.IncludeDebugInformation = false;
CompilerResults results = codeProvider.CompileAssemblyFromSource(parameters, Script);
// Go through errors
// TODO: Return errors to user somehow
if (results.Errors.Count > 0)
{
string errtext = "";
foreach (CompilerError CompErr in results.Errors)
{
errtext += "Line number " + (CompErr.Line - 1) +
", Error Number: " + CompErr.ErrorNumber +
", '" + CompErr.ErrorText + "'\r\n";
}
throw new Exception(errtext);
}
return OutFile;
}
}
}
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