* Applied patch from Melanie, mantis issue #1581 - "Refactor LSL language, api and compiler out of XEngine"

"First stage in a major Script Engine refactor, that will result in the LSL implementaions ebing reconverged. Not there yet, but one major part is done."
Thank you, Melanie!
This commit is contained in:
lbsa71
2008-06-24 21:09:49 +00:00
parent c0a083ad38
commit 6b7930104b
50 changed files with 15820 additions and 1354 deletions

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/*
* Copyright (c) Contributors, http://opensimulator.org/
* See CONTRIBUTORS.TXT for a full list of copyright holders.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the OpenSim Project nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
using System;
using System.CodeDom.Compiler;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using Microsoft.CSharp;
using Microsoft.JScript;
using Microsoft.VisualBasic;
using OpenSim.Region.Environment.Interfaces;
using OpenSim.Region.ScriptEngine.Interfaces;
namespace OpenSim.Region.ScriptEngine.Shared.CodeTools
{
public class Compiler
{
private static readonly log4net.ILog m_log
= log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
// * Uses "LSL2Converter" to convert LSL to C# if necessary.
// * Compiles C#-code into an assembly
// * Returns assembly name ready for AppDomain load.
//
// Assembly is compiled using LSL_BaseClass as base. Look at debug C# code file created when LSL script is compiled for full details.
//
internal enum enumCompileType
{
lsl = 0,
cs = 1,
vb = 2,
js = 3
}
/// <summary>
/// This contains number of lines WE use for header when compiling script. User will get error in line x-LinesToRemoveOnError when error occurs.
/// </summary>
public int LinesToRemoveOnError = 3;
private enumCompileType DefaultCompileLanguage;
private bool WriteScriptSourceToDebugFile;
private bool CompileWithDebugInformation;
private Dictionary<string, bool> AllowedCompilers = new Dictionary<string, bool>(StringComparer.CurrentCultureIgnoreCase);
private Dictionary<string, enumCompileType> LanguageMapping = new Dictionary<string, enumCompileType>(StringComparer.CurrentCultureIgnoreCase);
private string FilePrefix;
private string ScriptEnginesPath = "ScriptEngines";
private static LSL2CSConverter LSL_Converter = new LSL2CSConverter();
private static CSharpCodeProvider CScodeProvider = new CSharpCodeProvider();
private static VBCodeProvider VBcodeProvider = new VBCodeProvider();
private static JScriptCodeProvider JScodeProvider = new JScriptCodeProvider();
private static int instanceID = new Random().Next(0, int.MaxValue); // Unique number to use on our compiled files
private static UInt64 scriptCompileCounter = 0; // And a counter
public IScriptEngine m_scriptEngine;
public Compiler(IScriptEngine scriptEngine)
{
m_scriptEngine = scriptEngine;
ReadConfig();
}
public bool in_startup = true;
public void ReadConfig()
{
// Get some config
WriteScriptSourceToDebugFile = m_scriptEngine.Config.GetBoolean("WriteScriptSourceToDebugFile", true);
CompileWithDebugInformation = m_scriptEngine.Config.GetBoolean("CompileWithDebugInformation", true);
// Get file prefix from scriptengine name and make it file system safe:
FilePrefix = "CommonCompiler";
foreach (char c in Path.GetInvalidFileNameChars())
{
FilePrefix = FilePrefix.Replace(c, '_');
}
// First time we start? Delete old files
if (in_startup)
{
in_startup = false;
DeleteOldFiles();
}
// Map name and enum type of our supported languages
LanguageMapping.Add(enumCompileType.cs.ToString(), enumCompileType.cs);
LanguageMapping.Add(enumCompileType.vb.ToString(), enumCompileType.vb);
LanguageMapping.Add(enumCompileType.lsl.ToString(), enumCompileType.lsl);
LanguageMapping.Add(enumCompileType.js.ToString(), enumCompileType.js);
// Allowed compilers
string allowComp = m_scriptEngine.Config.GetString("AllowedCompilers", "lsl,cs,vb,js");
AllowedCompilers.Clear();
#if DEBUG
m_scriptEngine.Log.Debug("[Compiler]: Allowed languages: " + allowComp);
#endif
foreach (string strl in allowComp.Split(','))
{
string strlan = strl.Trim(" \t".ToCharArray()).ToLower();
if (!LanguageMapping.ContainsKey(strlan))
{
m_scriptEngine.Log.Error("[Compiler]: Config error. Compiler is unable to recognize language type \"" + strlan + "\" specified in \"AllowedCompilers\".");
}
else
{
#if DEBUG
//m_scriptEngine.Log.Debug("[Compiler]: Config OK. Compiler recognized language type \"" + strlan + "\" specified in \"AllowedCompilers\".");
#endif
}
AllowedCompilers.Add(strlan, true);
}
if (AllowedCompilers.Count == 0)
m_scriptEngine.Log.Error("[Compiler]: Config error. Compiler could not recognize any language in \"AllowedCompilers\". Scripts will not be executed!");
// Default language
string defaultCompileLanguage = m_scriptEngine.Config.GetString("DefaultCompileLanguage", "lsl").ToLower();
// Is this language recognized at all?
if (!LanguageMapping.ContainsKey(defaultCompileLanguage))
{
m_scriptEngine.Log.Error("[Compiler]: " +
"Config error. Default language \"" + defaultCompileLanguage + "\" specified in \"DefaultCompileLanguage\" is not recognized as a valid language. Changing default to: \"lsl\".");
defaultCompileLanguage = "lsl";
}
// Is this language in allow-list?
if (!AllowedCompilers.ContainsKey(defaultCompileLanguage))
{
m_scriptEngine.Log.Error("[Compiler]: " +
"Config error. Default language \"" + defaultCompileLanguage + "\"specified in \"DefaultCompileLanguage\" is not in list of \"AllowedCompilers\". Scripts may not be executed!");
}
else
{
#if DEBUG
// m_scriptEngine.Log.Debug("[Compiler]: " +
// "Config OK. Default language \"" + defaultCompileLanguage + "\" specified in \"DefaultCompileLanguage\" is recognized as a valid language.");
#endif
// LANGUAGE IS IN ALLOW-LIST
DefaultCompileLanguage = LanguageMapping[defaultCompileLanguage];
}
// We now have an allow-list, a mapping list, and a default language
}
/// <summary>
/// Delete old script files
/// </summary>
private void DeleteOldFiles()
{
// CREATE FOLDER IF IT DOESNT EXIST
if (!Directory.Exists(ScriptEnginesPath))
{
try
{
Directory.CreateDirectory(ScriptEnginesPath);
}
catch (Exception ex)
{
m_scriptEngine.Log.Error("[Compiler]: Exception trying to create ScriptEngine directory \"" + ScriptEnginesPath + "\": " + ex.ToString());
}
}
if (!Directory.Exists(Path.Combine(ScriptEnginesPath,
m_scriptEngine.World.RegionInfo.RegionID.ToString())))
{
try
{
Directory.CreateDirectory(Path.Combine(ScriptEnginesPath,
m_scriptEngine.World.RegionInfo.RegionID.ToString()));
}
catch (Exception ex)
{
m_scriptEngine.Log.Error("[Compiler]: Exception trying to create ScriptEngine directory \"" + Path.Combine(ScriptEnginesPath,
m_scriptEngine.World.RegionInfo.RegionID.ToString())+ "\": " + ex.ToString());
}
}
foreach (string file in Directory.GetFiles(Path.Combine(ScriptEnginesPath,
m_scriptEngine.World.RegionInfo.RegionID.ToString())))
{
//m_scriptEngine.Log.Error("[Compiler]: FILE FOUND: " + file);
if (file.ToLower().StartsWith(FilePrefix + "_compiled_") ||
file.ToLower().StartsWith(FilePrefix + "_source_"))
{
try
{
File.Delete(file);
}
catch (Exception ex)
{
m_scriptEngine.Log.Error("[Compiler]: Exception trying delete old script file \"" + file + "\": " + ex.ToString());
}
}
}
}
////private ICodeCompiler icc = codeProvider.CreateCompiler();
//public string CompileFromFile(string LSOFileName)
//{
// switch (Path.GetExtension(LSOFileName).ToLower())
// {
// case ".txt":
// case ".lsl":
// Common.ScriptEngineBase.Shared.SendToDebug("Source code is LSL, converting to CS");
// return CompileFromLSLText(File.ReadAllText(LSOFileName));
// case ".cs":
// Common.ScriptEngineBase.Shared.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 PerformScriptCompile(string Script, string asset)
{
string OutFile = Path.Combine(ScriptEnginesPath, Path.Combine(
m_scriptEngine.World.RegionInfo.RegionID.ToString(),
FilePrefix + "_compiled_" + asset + ".dll"));
// string OutFile = Path.Combine(ScriptEnginesPath,
// FilePrefix + "_compiled_" + asset + ".dll");
if (File.Exists(OutFile))
{
m_scriptEngine.Log.DebugFormat("[Compiler] Returning existing assembly for {0}", asset);
return OutFile;
}
if (!Directory.Exists(ScriptEnginesPath))
{
try
{
Directory.CreateDirectory(ScriptEnginesPath);
}
catch (Exception ex)
{
}
}
if (!Directory.Exists(Path.Combine(ScriptEnginesPath,
m_scriptEngine.World.RegionInfo.RegionID.ToString())))
{
try
{
Directory.CreateDirectory(ScriptEnginesPath);
}
catch (Exception ex)
{
}
}
enumCompileType l = DefaultCompileLanguage;
if (Script.StartsWith("//c#", true, CultureInfo.InvariantCulture))
l = enumCompileType.cs;
if (Script.StartsWith("//vb", true, CultureInfo.InvariantCulture))
{
l = enumCompileType.vb;
// We need to remove //vb, it won't compile with that
Script = Script.Substring(4, Script.Length - 4);
}
if (Script.StartsWith("//lsl", true, CultureInfo.InvariantCulture))
l = enumCompileType.lsl;
if (Script.StartsWith("//js", true, CultureInfo.InvariantCulture))
l = enumCompileType.js;
if (!AllowedCompilers.ContainsKey(l.ToString()))
{
// Not allowed to compile to this language!
string errtext = String.Empty;
errtext += "The compiler for language \"" + l.ToString() + "\" is not in list of allowed compilers. Script will not be executed!";
throw new Exception(errtext);
}
string compileScript = Script;
if (l == enumCompileType.lsl)
{
// Its LSL, convert it to C#
compileScript = LSL_Converter.Convert(Script);
l = enumCompileType.cs;
}
// Insert additional assemblies here
//ADAM: Disabled for the moment until it's working right.
bool enableCommanderLSL = false;
if (enableCommanderLSL == true && l == enumCompileType.cs)
{
foreach (KeyValuePair<string,
ICommander> com
in m_scriptEngine.World.GetCommanders())
{
compileScript = com.Value.GenerateRuntimeAPI() + compileScript;
}
}
// End of insert
switch (l)
{
case enumCompileType.cs:
compileScript = CreateCSCompilerScript(compileScript);
break;
case enumCompileType.vb:
compileScript = CreateVBCompilerScript(compileScript);
break;
case enumCompileType.js:
compileScript = CreateJSCompilerScript(compileScript);
break;
}
// m_log.Debug("[ScriptEngine.DotNetEngine]: Preparing to compile the following LSL to C# translated code");
// m_log.Debug("");
// m_log.Debug(compileScript);
return CompileFromDotNetText(compileScript, l, asset);
}
private static string CreateJSCompilerScript(string compileScript)
{
compileScript = String.Empty +
"import OpenSim.Region.ScriptEngine.Shared; import System.Collections.Generic;\r\n" +
"package SecondLife {\r\n" +
"class Script extends OpenSim.Region.ScriptEngine.Shared.ScriptBase.ScriptBaseClass { \r\n" +
compileScript +
"} }\r\n";
return compileScript;
}
private static string CreateCSCompilerScript(string compileScript)
{
compileScript = String.Empty +
"using OpenSim.Region.ScriptEngine.Shared; using System.Collections.Generic;\r\n" +
String.Empty + "namespace SecondLife { " +
String.Empty + "public class Script : OpenSim.Region.ScriptEngine.Shared.ScriptBase.ScriptBaseClass { \r\n" +
@"public Script() { } " +
compileScript +
"} }\r\n";
return compileScript;
}
private static string CreateVBCompilerScript(string compileScript)
{
compileScript = String.Empty +
"Imports OpenSim.Region.ScriptEngine.Shared: Imports System.Collections.Generic: " +
String.Empty + "NameSpace SecondLife:" +
String.Empty + "Public Class Script: Inherits OpenSim.Region.ScriptEngine.Shared.ScriptBase.ScriptBaseClass: " +
"\r\nPublic Sub New()\r\nEnd Sub: " +
compileScript +
":End Class :End Namespace\r\n";
return compileScript;
}
/// <summary>
/// Compile .NET script to .Net assembly (.dll)
/// </summary>
/// <param name="Script">CS script</param>
/// <returns>Filename to .dll assembly</returns>
internal string CompileFromDotNetText(string Script, enumCompileType lang, string asset)
{
string ext = "." + lang.ToString();
// Output assembly name
scriptCompileCounter++;
string OutFile = Path.Combine(ScriptEnginesPath, Path.Combine(
m_scriptEngine.World.RegionInfo.RegionID.ToString(),
FilePrefix + "_compiled_" + asset + ".dll"));
#if DEBUG
// m_scriptEngine.Log.Debug("[Compiler]: Starting compile of \"" + OutFile + "\".");
#endif
try
{
File.Delete(OutFile);
}
catch (Exception e) // NOTLEGIT - Should be just catching FileIOException
{
//m_scriptEngine.Log.Error("[Compiler]: Unable to delete old existring script-file before writing new. Compile aborted: " + e.ToString());
throw new Exception("Unable to delete old existring script-file before writing new. Compile aborted: " + e.ToString());
}
//string OutFile = Path.Combine("ScriptEngines", "SecondLife.Script.dll");
// DEBUG - write source to disk
if (WriteScriptSourceToDebugFile)
{
string srcFileName = FilePrefix + "_source_" + Path.GetFileNameWithoutExtension(OutFile) + ext;
try
{
File.WriteAllText(Path.Combine(Path.Combine(
ScriptEnginesPath,
m_scriptEngine.World.RegionInfo.RegionID.ToString()),
srcFileName), Script);
}
catch (Exception ex) // NOTLEGIT - Should be just catching FileIOException
{
m_scriptEngine.Log.Error("[Compiler]: Exception while trying to write script source to file \"" + srcFileName + "\": " + ex.ToString());
}
}
// Do actual compile
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(GetType().Assembly.Location);
//Console.WriteLine("Assembly location: " + rootPath);
parameters.ReferencedAssemblies.Add(Path.Combine(rootPath, "OpenSim.Region.ScriptEngine.Shared.dll"));
parameters.ReferencedAssemblies.Add(Path.Combine(rootPath, "OpenSim.Region.ScriptEngine.Shared.Api.Runtime.dll"));
parameters.GenerateExecutable = false;
parameters.OutputAssembly = OutFile;
parameters.IncludeDebugInformation = CompileWithDebugInformation;
//parameters.WarningLevel = 1; // Should be 4?
parameters.TreatWarningsAsErrors = false;
//Console.WriteLine(Script);
CompilerResults results;
switch (lang)
{
case enumCompileType.vb:
results = VBcodeProvider.CompileAssemblyFromSource(parameters, Script);
break;
case enumCompileType.cs:
results = CScodeProvider.CompileAssemblyFromSource(parameters, Script);
break;
case enumCompileType.js:
results = JScodeProvider.CompileAssemblyFromSource(parameters, Script);
break;
default:
throw new Exception("Compiler is not able to recongnize language type \"" + lang.ToString() + "\"");
}
// Check result
// Go through errors
//
// WARNINGS AND ERRORS
//
if (results.Errors.Count > 0)
{
string errtext = String.Empty;
foreach (CompilerError CompErr in results.Errors)
{
errtext += "Line number " + (CompErr.Line - LinesToRemoveOnError) +
", Error Number: " + CompErr.ErrorNumber +
", '" + CompErr.ErrorText + "'\r\n";
}
if (!File.Exists(OutFile))
{
throw new Exception(errtext);
}
}
//
// NO ERRORS, BUT NO COMPILED FILE
//
if (!File.Exists(OutFile))
{
string errtext = String.Empty;
errtext += "No compile error. But not able to locate compiled file.";
throw new Exception(errtext);
}
m_scriptEngine.Log.DebugFormat("[Compiler] Compiled new assembly for {0}", asset);
return OutFile;
}
}
}

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/*
* Copyright (c) Contributors, http://opensimulator.org/
* See CONTRIBUTORS.TXT for a full list of copyright holders.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the OpenSim Project nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS AS IS AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
using System;
using System.Collections.Generic;
using System.Text.RegularExpressions;
namespace OpenSim.Region.ScriptEngine.Shared.CodeTools
{
public class LSL2CSConverter
{
// Uses regex to convert LSL code to C# code.
//private Regex rnw = new Regex(@"[a-zA-Z0-9_\-]", RegexOptions.Compiled);
private Dictionary<string, string> dataTypes = new Dictionary<string, string>();
private Dictionary<string, string> quotes = new Dictionary<string, string>();
// c Style
private Regex cstylecomments = new Regex(@"/\*(.|[\r\n])*?\*/", RegexOptions.Compiled | RegexOptions.Multiline);
// c# one liners
private Regex nonCommentFwsl = new Regex("\"[a-zA-Z0-9.,:/\\n ]+//[^\"+]+([\\\\\\\"+]+)?(\\s+)?[\"+](\\s+)?(;)?", RegexOptions.Compiled | RegexOptions.Multiline | RegexOptions.Singleline);
private Regex conelinecomments = new Regex(@"[^:].?([\/]{2}[^\n]*)|([\n]{1,}[\/]{2}[^\n]*)", RegexOptions.Compiled | RegexOptions.Multiline);
// ([^\"])((?:[a-zA-Z])\.[a-zA-Z].?)([^\"])
// value we're looking for: (?:[a-zA-Z])\.[a-zA-Z]
public LSL2CSConverter()
{
// Only the types we need to convert
dataTypes.Add("void", "void");
dataTypes.Add("integer", "LSL_Types.LSLInteger");
dataTypes.Add("float", "LSL_Types.LSLFloat");
dataTypes.Add("string", "LSL_Types.LSLString");
dataTypes.Add("key", "LSL_Types.LSLString");
dataTypes.Add("vector", "LSL_Types.Vector3");
dataTypes.Add("rotation", "LSL_Types.Quaternion");
dataTypes.Add("list", "LSL_Types.list");
dataTypes.Add("null", "null");
}
public string Convert(string Script)
{
quotes.Clear();
string Return = String.Empty;
Script = " \r\n" + Script;
//
// Prepare script for processing
//
// Clean up linebreaks
Script = Regex.Replace(Script, @"\r\n", "\n");
Script = Regex.Replace(Script, @"\n", "\r\n");
// QUOTE REPLACEMENT
// temporarily replace quotes so we can work our magic on the script without
// always considering if we are inside our outside quotes's
// TODO: Does this work on half-quotes in strings? ;)
string _Script = String.Empty;
string C;
bool in_quote = false;
bool quote_replaced = false;
string quote_replacement_string = "Q_U_O_T_E_REPLACEMENT_";
string quote = String.Empty;
bool last_was_escape = false;
int quote_replaced_count = 0;
string removefwnoncomments = nonCommentFwsl.Replace(Script, "\"\";");
string removecomments = conelinecomments.Replace(removefwnoncomments, "");
removecomments = cstylecomments.Replace(removecomments, "");
string[] localscript = removecomments.Split('"');
string checkscript = String.Empty;
bool flip = true;
for (int p = 0; p < localscript.Length; p++)
{
//if (localscript[p].Length >= 1)
//{
if (!localscript[p].EndsWith(@"\"))
{
flip = !flip;
//System.Console.WriteLine("Flip:" + flip.ToString() + " - " + localscript[p] + " ! " + localscript[p].EndsWith(@"\").ToString());
}
//}
//else
//{
// flip = !flip;
// System.Console.WriteLine("Flip:" + flip.ToString() + " - " + localscript[p]);
//}
if (!flip)
checkscript += localscript[p];
}
//System.Console.WriteLine("SCRIPT:" + checkscript);
// checks for alpha.alpha way of referring to objects in C#
// ignores alpha.x alpha.y, alpha.z for refering to vector components
Match SecurityM;
// BROKEN: this check is very wrong. It block's any url in strings.
SecurityM = Regex.Match(checkscript, @"(?:[a-zA-Z])\.(?:[a-wA-Z]|[a-zA-Z][a-zA-Z])", RegexOptions.Compiled | RegexOptions.Multiline | RegexOptions.Singleline);
if (SecurityM.Success)
throw new Exception("CS0103: 'The . symbol cannot be used in LSL except in float values or vector components'. Detected around: " + SecurityM.Captures[0].Value);
SecurityM = Regex.Match(checkscript, @"typeof\s", RegexOptions.Compiled | RegexOptions.Multiline | RegexOptions.Singleline);
if (SecurityM.Success)
throw new Exception("CS0103: 'The object.typeof method isn't allowed in LSL'");
SecurityM = Regex.Match(checkscript, @"GetType\(", RegexOptions.Compiled | RegexOptions.Multiline | RegexOptions.Singleline);
if (SecurityM.Success)
throw new Exception("CS0103: 'The object.GetType method isn't allowed in LSL'");
for (int p = 0; p < Script.Length; p++)
{
C = Script.Substring(p, 1);
while (true)
{
// found " and last was not \ so this is not an escaped \"
if (C == "\"" && last_was_escape == false)
{
// Toggle inside/outside quote
in_quote = !in_quote;
if (in_quote)
{
quote_replaced_count++;
}
else
{
if (quote == String.Empty)
{
// We didn't replace quote, probably because of empty string?
_Script += quote_replacement_string +
quote_replaced_count.ToString().PadLeft(5, "0".ToCharArray()[0]);
}
// We just left a quote
quotes.Add(
quote_replacement_string +
quote_replaced_count.ToString().PadLeft(5, "0".ToCharArray()[0]), quote);
quote = String.Empty;
}
break;
}
if (!in_quote)
{
// We are not inside a quote
quote_replaced = false;
}
else
{
// We are inside a quote
if (!quote_replaced)
{
// Replace quote
_Script += quote_replacement_string +
quote_replaced_count.ToString().PadLeft(5, "0".ToCharArray()[0]);
quote_replaced = true;
}
quote += C;
break;
}
_Script += C;
break;
}
last_was_escape = false;
if (C == @"\")
{
last_was_escape = true;
}
}
Script = _Script;
//
// END OF QUOTE REPLACEMENT
//
//
// PROCESS STATES
// Remove state definitions and add state names to start of each event within state
//
int ilevel = 0;
int lastlevel = 0;
string ret = String.Empty;
string cache = String.Empty;
bool in_state = false;
string current_statename = String.Empty;
for (int p = 0; p < Script.Length; p++)
{
C = Script.Substring(p, 1);
while (true)
{
// inc / dec level
if (C == @"{")
ilevel++;
if (C == @"}")
ilevel--;
if (ilevel < 0)
ilevel = 0;
cache += C;
// if level == 0, add to return
if (ilevel == 1 && lastlevel == 0)
{
// 0 => 1: Get last
Match m =
//Regex.Match(cache, @"(?![a-zA-Z_]+)\s*([a-zA-Z_]+)[^a-zA-Z_\(\)]*{",
Regex.Match(cache, @"(?![a-zA-Z_]+)\s*(state\s+)?(?<statename>[a-zA-Z_][a-zA-Z_0-9]*)[^a-zA-Z_0-9\(\)]*{",
RegexOptions.Compiled | RegexOptions.Multiline | RegexOptions.Singleline);
in_state = false;
if (m.Success)
{
// Go back to level 0, this is not a state
in_state = true;
current_statename = m.Groups["statename"].Captures[0].Value;
//Console.WriteLine("Current statename: " + current_statename);
cache =
//@"(?<s1>(?![a-zA-Z_]+)\s*)" + @"([a-zA-Z_]+)(?<s2>[^a-zA-Z_\(\)]*){",
Regex.Replace(cache,
@"(?<s1>(?![a-zA-Z_]+)\s*)" + @"(state\s+)?([a-zA-Z_][a-zA-Z_0-9]*)(?<s2>[^a-zA-Z_0-9\(\)]*){",
"${s1}${s2}",
RegexOptions.Compiled | RegexOptions.Multiline | RegexOptions.Singleline | RegexOptions.IgnoreCase);
}
ret += cache;
cache = String.Empty;
}
if (ilevel == 0 && lastlevel == 1)
{
// 1 => 0: Remove last }
if (in_state == true)
{
cache = cache.Remove(cache.Length - 1, 1);
//cache = Regex.Replace(cache, "}$", String.Empty, RegexOptions.Multiline | RegexOptions.Singleline);
//Replace function names
// void dataserver(key query_id, string data) {
//cache = Regex.Replace(cache, @"([^a-zA-Z_]\s*)((?!if|switch|for)[a-zA-Z_]+\s*\([^\)]*\)[^{]*{)", "$1" + "<STATE>" + "$2", RegexOptions.Compiled | RegexOptions.Multiline | RegexOptions.Singleline);
//Console.WriteLine("Replacing using statename: " + current_statename);
cache =
Regex.Replace(cache,
@"^(\s*)((?!(if|switch|for|while)[^a-zA-Z0-9_])[a-zA-Z0-9_]*\s*\([^\)]*\)[^;]*\{)",
@"$1public " + current_statename + "_event_$2",
RegexOptions.Compiled | RegexOptions.Multiline | RegexOptions.Singleline | RegexOptions.IgnoreCase);
}
ret += cache;
cache = String.Empty;
in_state = true;
current_statename = String.Empty;
}
break;
}
lastlevel = ilevel;
}
ret += cache;
cache = String.Empty;
Script = ret;
ret = String.Empty;
foreach (string key in dataTypes.Keys)
{
string val;
dataTypes.TryGetValue(key, out val);
// Replace CAST - (integer) with (int)
Script =
Regex.Replace(Script, @"\(" + key + @"\)", @"(" + val + ")",
RegexOptions.Compiled | RegexOptions.Multiline);
// Replace return types and function variables - integer a() and f(integer a, integer a)
Script =
Regex.Replace(Script, @"(^|;|}|[\(,])(\s*)" + key + @"(\s+)", @"$1$2" + val + "$3",
RegexOptions.Compiled | RegexOptions.Multiline);
Script =
Regex.Replace(Script, @"(^|;|}|[\(,])(\s*)" + key + @"(\s*)[,]", @"$1$2" + val + "$3,",
RegexOptions.Compiled | RegexOptions.Multiline);
}
// Change jumps into goto's and prefix its label
Script =
Regex.Replace(Script,
@"(\W)jump\s+([a-zA-Z_][a-zA-Z_0-9]*)\s*;",
@"$1goto label_$2;", RegexOptions.Compiled | RegexOptions.Multiline | RegexOptions.Singleline);
// and prefix labels so the do not clash with C#'s reserved words
Script =
Regex.Replace(Script,
@"@([a-zA-Z_][a-zA-Z_0-9]*)\s*;",
@"label_$1: ;", RegexOptions.Compiled | RegexOptions.Multiline | RegexOptions.Singleline);
// Add "void" in front of functions that needs it
Script =
Regex.Replace(Script,
@"^(\s*public\s+)?((?!(if|switch|for)[^a-zA-Z0-9_])[a-zA-Z0-9_]*\s*\([^\)]*\)[^;]*\{)",
@"$1void $2", RegexOptions.Compiled | RegexOptions.Multiline | RegexOptions.Singleline);
// Replace <x,y,z> and <x,y,z,r>
Script =
Regex.Replace(Script, @"<([^,>;]*,[^,>;]*,[^,>;]*,[^,>;]*)>", @"new LSL_Types.Quaternion($1)",
RegexOptions.Compiled | RegexOptions.Multiline | RegexOptions.Singleline);
Script =
Regex.Replace(Script, @"<([^,>;)]*,[^,>;]*,[^,>;]*)>", @"new LSL_Types.Vector3($1)",
RegexOptions.Compiled | RegexOptions.Multiline | RegexOptions.Singleline);
// Replace List []'s
Script =
Regex.Replace(Script, @"\[([^\]]*)\]", @"new LSL_Types.list($1)",
RegexOptions.Compiled | RegexOptions.Multiline | RegexOptions.Singleline);
// Replace (string) to .ToString() //
Script =
Regex.Replace(Script, @"\(string\)\s*([a-zA-Z0-9_.]+(\s*\([^\)]*\))?)", @"$1.ToString()",
RegexOptions.Compiled | RegexOptions.Multiline | RegexOptions.Singleline);
Script =
Regex.Replace(Script, @"\((float|int)\)\s*([a-zA-Z0-9_.]+(\s*\([^\)]*\))?)", @"$1.Parse($2)",
RegexOptions.Compiled | RegexOptions.Multiline | RegexOptions.Singleline);
// Replace "state STATENAME" with "state("statename")"
Script =
Regex.Replace(Script, @"(state)\s+([^;\n\r]+)(;[\r\n\s])", "$1(\"$2\")$3",
RegexOptions.Compiled | RegexOptions.Multiline | RegexOptions.Singleline | RegexOptions.IgnoreCase);
// REPLACE BACK QUOTES
foreach (string key in quotes.Keys)
{
string val;
quotes.TryGetValue(key, out val);
Script = Script.Replace(key, "\"" + val + "\"");
}
//System.Console.WriteLine(Script);
Return = String.Empty;// +
//"using OpenSim.Region.ScriptEngine.Shared; using System.Collections.Generic;";
//Return += String.Empty +
// "namespace SecondLife { ";
//Return += String.Empty +
// //"[Serializable] " +
// "public class Script : OpenSim.Region.ScriptEngine.Shared.LSL_BaseClass { ";
//Return += @"public Script() { } ";
Return += Script;
//Return += "} }\r\n";
quotes.Clear();
return Return;
}
}
}

View File

@@ -0,0 +1,108 @@
/*
* Copyright (c) Contributors, http://opensimulator.org/
* See CONTRIBUTORS.TXT for a full list of copyright holders.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the OpenSim Project nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS AS IS AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
using System;
using System.IO;
using System.Collections.Generic;
using System.Text;
using System.Text.RegularExpressions;
using OpenSim.Region.ScriptEngine.Shared.YieldProlog;
namespace OpenSim.Region.ScriptEngine.Shared.CodeTools
{
public class YP2CSConverter
{
public YP2CSConverter()
{
}
public string Convert(string Script)
{
string CS_code = GenCode(Script);
return CS_code;
}
static string GenCode(string myCode)
{
Variable TermList = new Variable();
Variable FunctionCode = new Variable();
string CS_code = "";
int cs_pointer = myCode.IndexOf("\n//cs");
if (cs_pointer > 0)
{
CS_code = myCode.Substring(cs_pointer); // CS code comes after
myCode = myCode.Substring(0, cs_pointer);
}
myCode.Replace("//yp", "%YPCode");
StringWriter myCS_SW = new StringWriter();
StringReader myCode_SR = new StringReader(" yp_nop_header_nop. \n "+myCode + "\n");
YP.see(myCode_SR);
YP.tell(myCS_SW);
//Console.WriteLine("Mycode\n ===================================\n" + myCode+"\n");
foreach (bool l1 in Parser.parseInput(TermList))
{
foreach (bool l2 in YPCompiler.makeFunctionPseudoCode(TermList, FunctionCode))
{
ListPair VFC = new ListPair(FunctionCode, new Variable());
//Console.WriteLine("-------------------------")
//Console.WriteLine(FunctionCode.ToString())
//Console.WriteLine("-------------------------")
YPCompiler.convertFunctionCSharp(FunctionCode);
//YPCompiler.convertStringCodesCSharp(VFC);
}
}
YP.seen();
myCS_SW.Close();
YP.told();
StringBuilder bu = myCS_SW.GetStringBuilder();
string finalcode = "//YPEncoded\n" + bu.ToString();
// FIX script events (we're in the same script)
// 'YP.script_event(Atom.a(@"sayit"),' ==> 'sayit('
finalcode = Regex.Replace(finalcode,
@"YP.script_event\(Atom.a\(\@\""(.*?)""\)\,",
@"this.$1(",
RegexOptions.Compiled | RegexOptions.Singleline);
finalcode = Regex.Replace(finalcode,
@" static ",
@" ",
RegexOptions.Compiled | RegexOptions.Singleline);
finalcode = CS_code+"\n\r"+ finalcode;
finalcode = Regex.Replace(finalcode,
@"PrologCallback",
@"public IEnumerable<bool> ",
RegexOptions.Compiled | RegexOptions.Singleline);
return finalcode;
}
}
}