aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/OpenSim/Tools/Compiler/Program.cs
blob: b010eaf7fee2e51dcb622b03629abc3232b193a5 (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
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
/*
 * 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 OpenSimulator 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.IO;
using System.Text;
using Microsoft.CSharp;
using OpenSim.Region.ScriptEngine.Shared.CodeTools;
using System.CodeDom.Compiler;

namespace OpenSim.Tools.LSL.Compiler
{
    class Program
    {
//        Commented out because generated warning since m_positionMap could never be anything other than null
//        private static Dictionary<KeyValuePair<int, int>, KeyValuePair<int, int>> m_positionMap; 
        private static CSharpCodeProvider CScodeProvider = new CSharpCodeProvider();

        static void Main(string[] args)
        {
             string source = null;

             if (args.Length == 0)
             {
                 Console.WriteLine("No input file specified");
                 Environment.Exit(1);
             }

             if (!File.Exists(args[0]))
             {
                 Console.WriteLine("Input file does not exist");
                 Environment.Exit(1);
             }

             try
             {
                 ICodeConverter cvt = (ICodeConverter) new CSCodeGenerator();
                 source = cvt.Convert(File.ReadAllText(args[0]));
             }
             catch(Exception e)
             {
                 Console.WriteLine("Conversion failed:\n"+e.Message);
                 Environment.Exit(1);
             }

             source = CreateCSCompilerScript(source);

             try
             {
                 Console.WriteLine(CompileFromDotNetText(source,"a.out"));
             }
             catch(Exception e)
             {
                 Console.WriteLine("Conversion failed: "+e.Message);
                 Environment.Exit(1);
             }

             Environment.Exit(0);
        }

        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 CompileFromDotNetText(string Script, string asset)
        {

            string OutFile = asset;
            string disp    ="OK";

            try
            {
                File.Delete(OutFile);
            }
            catch (Exception e) // NOTLEGIT - Should be just FileIOException
            {
                throw new Exception("Unable to delete old existing "+
                        "script-file before writing new. Compile aborted: " +
                        e.ToString());
            }

            // Do actual compile
            CompilerParameters parameters = new CompilerParameters();

            parameters.IncludeDebugInformation = true;

            string rootPath =
                Path.GetDirectoryName(AppDomain.CurrentDomain.BaseDirectory);

            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 = true;
            parameters.WarningLevel = 1;
            parameters.TreatWarningsAsErrors = false;

            CompilerResults results = CScodeProvider.CompileAssemblyFromSource(parameters, Script);

            if (results.Errors.Count > 0)
            {
                string errtext = String.Empty;
                foreach (CompilerError CompErr in results.Errors)
                {
                    string severity = CompErr.IsWarning ? "Warning" : "Error";

                    KeyValuePair<int, int> lslPos;

                    lslPos = FindErrorPosition(CompErr.Line, CompErr.Column);

                    string text = CompErr.ErrorText;

                    text = ReplaceTypes(CompErr.ErrorText);

                    // The Second Life viewer's script editor begins
                    // countingn lines and columns at 0, so we subtract 1.
                    errtext += String.Format("Line ({0},{1}): {4} {2}: {3}\n",
                                             lslPos.Key - 1, lslPos.Value - 1,
                                             CompErr.ErrorNumber, text, severity);
                }
                
                disp = "Completed with errors";

                if (!File.Exists(OutFile))
                {
                    throw new Exception(errtext);
                }
            }

            if (!File.Exists(OutFile))
            {
                string errtext = String.Empty;
                errtext += "No compile error. But not able to locate compiled file.";
                throw new Exception(errtext);
            }

            // Because windows likes to perform exclusive locks, we simply
            // write out a textual representation of the file here
            //
            // Read the binary file into a buffer
            //
            FileInfo fi = new FileInfo(OutFile);

            if (fi == null)
            {
                string errtext = String.Empty;
                errtext += "No compile error. But not able to stat file.";
                throw new Exception(errtext);
            }

            Byte[] data = new Byte[fi.Length];

            try
            {
                FileStream fs = File.Open(OutFile, FileMode.Open, FileAccess.Read);
                fs.Read(data, 0, data.Length);
                fs.Close();
            }
            catch (Exception)
            {
                string errtext = String.Empty;
                errtext += "No compile error. But not able to open file.";
                throw new Exception(errtext);
            }

            // Convert to base64
            //
            string filetext = System.Convert.ToBase64String(data);
            Byte[] buf = Encoding.ASCII.GetBytes(filetext);
            FileStream sfs = File.Create(OutFile + ".text");
            sfs.Write(buf, 0, buf.Length);
            sfs.Close();

            string posmap = String.Empty;
//            if (m_positionMap != null)
//            {
//                foreach (KeyValuePair<KeyValuePair<int, int>, KeyValuePair<int, int>> kvp in m_positionMap)
//                {
//                    KeyValuePair<int, int> k = kvp.Key;
//                    KeyValuePair<int, int> v = kvp.Value;
//                    posmap += String.Format("{0},{1},{2},{3}\n",
//                            k.Key, k.Value, v.Key, v.Value);
//                }
//            }

            buf = Encoding.ASCII.GetBytes(posmap);

            FileStream mfs = File.Create(OutFile + ".map");
            mfs.Write(buf, 0, buf.Length);
            mfs.Close();

            return disp;
        }

        private static string ReplaceTypes(string message)
        {
            message = message.Replace(
                "OpenSim.Region.ScriptEngine.Shared.LSL_Types.LSLString",
                "string");

            message = message.Replace(
                "OpenSim.Region.ScriptEngine.Shared.LSL_Types.LSLInteger",
                "integer");

            message = message.Replace(
                "OpenSim.Region.ScriptEngine.Shared.LSL_Types.LSLFloat",
                "float");

            message = message.Replace(
                "OpenSim.Region.ScriptEngine.Shared.LSL_Types.list",
                "list");

            return message;
        }

        private static KeyValuePair<int, int> FindErrorPosition(int line, int col)
        {
            //return FindErrorPosition(line, col, m_positionMap);
            return FindErrorPosition(line, col, null);
        }

        private class kvpSorter : IComparer<KeyValuePair<KeyValuePair<int, int>, KeyValuePair<int, int>>>
        {
            public int Compare(KeyValuePair<KeyValuePair<int, int>, KeyValuePair<int, int>> a,
                               KeyValuePair<KeyValuePair<int, int>, KeyValuePair<int, int>> b)
            {
                int kc = a.Key.Key.CompareTo(b.Key.Key);
                return (kc != 0) ? kc : a.Key.Value.CompareTo(b.Key.Value);
            }
        }

        public static KeyValuePair<int, int> FindErrorPosition(int line,
                int col, Dictionary<KeyValuePair<int, int>,
                KeyValuePair<int, int>> positionMap)
        {
            if (positionMap == null || positionMap.Count == 0)
                return new KeyValuePair<int, int>(line, col);

            KeyValuePair<int, int> ret = new KeyValuePair<int, int>();

            if (positionMap.TryGetValue(new KeyValuePair<int, int>(line, col),
                    out ret))
                return ret;

            var sorted = new List<KeyValuePair<KeyValuePair<int, int>, KeyValuePair<int, int>>>(positionMap);

            sorted.Sort(new kvpSorter());

            int l = 1;
            int c = 1;
            int pl = 1;

            foreach (KeyValuePair<KeyValuePair<int, int>, KeyValuePair<int, int>> posmap in sorted)
            {
                //m_log.DebugFormat("[Compiler]: Scanning line map {0},{1} --> {2},{3}", posmap.Key.Key, posmap.Key.Value, posmap.Value.Key, posmap.Value.Value);
                int nl = posmap.Value.Key + line - posmap.Key.Key;      // New, translated LSL line and column.
                int nc = posmap.Value.Value + col - posmap.Key.Value;
                // Keep going until we find the first point passed line,col.
                if (posmap.Key.Key > line)
                {
                  //m_log.DebugFormat("[Compiler]: Line is larger than requested {0},{1}, returning {2},{3}", line, col, l, c);
                  if (pl < line)
                  {
                    //m_log.DebugFormat("[Compiler]: Previous line ({0}) is less than requested line ({1}), setting column to 1.", pl, line);
                    c = 1;
                  }
                  break;
                }
                if (posmap.Key.Key == line && posmap.Key.Value > col)
                {
                  // Never move l,c backwards.
                  if (nl > l || (nl == l && nc > c))
                  {
                    //m_log.DebugFormat("[Compiler]: Using offset relative to this: {0} + {1} - {2}, {3} + {4} - {5} = {6}, {7}",
                    //    posmap.Value.Key, line, posmap.Key.Key, posmap.Value.Value, col, posmap.Key.Value, nl, nc);
                    l = nl;
                    c = nc;
                  }
                  //m_log.DebugFormat("[Compiler]: Column is larger than requested {0},{1}, returning {2},{3}", line, col, l, c);
                  break;
                }
                pl = posmap.Key.Key;
                l = posmap.Value.Key;
                c = posmap.Value.Value;
            }
            return new KeyValuePair<int, int>(l, c);
        }
    }
}