aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/OpenSim/Region/ScriptEngine/DotNetEngine/Compiler/LSL/Compiler.cs
blob: a2eee662b45175c031b8a6e3110c4dab3e13f82b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
/*
* 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;
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;
        }

    }
}