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diff --git a/OpenSim/Grid/ScriptEngine/DotNetEngine/Compiler/LSO/Engine.cs b/OpenSim/Grid/ScriptEngine/DotNetEngine/Compiler/LSO/Engine.cs
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1/*
2 * Copyright (c) Contributors, http://opensimulator.org/
3 * See CONTRIBUTORS.TXT for a full list of copyright holders.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 * * Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * * Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * * Neither the name of the OpenSim Project nor the
13 * names of its contributors may be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19 * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
20 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
23 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
25 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28/* Original code: Tedd Hansen */
29using System;
30using System.IO;
31using System.Reflection;
32using System.Reflection.Emit;
33using System.Text;
34using System.Threading;
35
36namespace OpenSim.Grid.ScriptEngine.DotNetEngine.Compiler.LSO
37{
38 public class Engine
39 {
40 //private string LSO_FileName = @"LSO\AdditionTest.lso";
41 private string LSO_FileName; // = @"LSO\CloseToDefault.lso";
42 private AppDomain appDomain;
43
44 public string Compile(string LSOFileName)
45 {
46 LSO_FileName = LSOFileName;
47
48
49 //appDomain = AppDomain.CreateDomain("AlternateAppDomain");
50 appDomain = Thread.GetDomain();
51
52 // Create Assembly Name
53 AssemblyName asmName = new AssemblyName();
54 asmName.Name = Path.GetFileNameWithoutExtension(LSO_FileName);
55 //asmName.Name = "TestAssembly";
56
57 string DLL_FileName = asmName.Name + ".dll";
58 string DLL_FileName_WithPath = Path.GetDirectoryName(LSO_FileName) + @"\" + DLL_FileName;
59
60 Common.SendToLog("LSO File Name: " + Path.GetFileName(LSO_FileName));
61 Common.SendToLog("Assembly name: " + asmName.Name);
62 Common.SendToLog("Assembly File Name: " + asmName.Name + ".dll");
63 Common.SendToLog("Starting processing of LSL ByteCode...");
64 Common.SendToLog("");
65
66
67 // Create Assembly
68 AssemblyBuilder asmBuilder = appDomain.DefineDynamicAssembly(
69 asmName,
70 AssemblyBuilderAccess.RunAndSave
71 );
72 //// Create Assembly
73 //AssemblyBuilder asmBuilder =
74 // Thread.GetDomain().DefineDynamicAssembly
75 //(asmName, AssemblyBuilderAccess.RunAndSave);
76
77 // Create a module (and save to disk)
78 ModuleBuilder modBuilder = asmBuilder.DefineDynamicModule
79 (asmName.Name,
80 DLL_FileName);
81
82 //Common.SendToDebug("asmName.Name is still \"" + asmName.Name + "\"");
83 // Create a Class (/Type)
84 TypeBuilder typeBuilder = modBuilder.DefineType(
85 "LSL_ScriptObject",
86 TypeAttributes.Public | TypeAttributes.BeforeFieldInit,
87 typeof (LSL_BaseClass));
88 //,
89 // typeof());
90 //, typeof(LSL_BuiltIn_Commands_Interface));
91 //,
92 // typeof(object),
93 // new Type[] { typeof(LSL_CLRInterface.LSLScript) });
94
95
96 /*
97 * Generate the IL itself
98 */
99
100 LSO_Parser LSOP = new LSO_Parser(LSO_FileName, typeBuilder);
101 LSOP.OpenFile();
102 LSOP.Parse();
103
104 // Constructor has to be created AFTER LSO_Parser because of accumulated variables
105 if (Common.IL_CreateConstructor)
106 IL_CREATE_CONSTRUCTOR(typeBuilder, LSOP);
107
108 LSOP.CloseFile();
109 /*
110 * Done generating. Create a type and run it.
111 */
112
113
114 Common.SendToLog("Attempting to compile assembly...");
115 // Compile it
116 Type type = typeBuilder.CreateType();
117 Common.SendToLog("Compilation successful!");
118
119 Common.SendToLog("Saving assembly: " + DLL_FileName);
120 asmBuilder.Save(DLL_FileName);
121
122 Common.SendToLog("Returning assembly filename: " + DLL_FileName);
123
124
125 return DLL_FileName;
126
127
128 //Common.SendToLog("Creating an instance of new assembly...");
129 //// Create an instance we can play with
130 ////LSLScript hello = (LSLScript)Activator.CreateInstance(type);
131 ////LSL_CLRInterface.LSLScript MyScript = (LSL_CLRInterface.LSLScript)Activator.CreateInstance(type);
132 //object MyScript = (object)Activator.CreateInstance(type);
133
134
135 //System.Reflection.MemberInfo[] Members = type.GetMembers();
136
137 //Common.SendToLog("Members of assembly " + type.ToString() + ":");
138 //foreach (MemberInfo member in Members)
139 // Common.SendToLog(member.ToString());
140
141
142 //// Play with it
143 ////MyScript.event_state_entry("Test");
144 //object[] args = { null };
145 ////System.Collections.Generic.List<string> Functions = (System.Collections.Generic.List<string>)type.InvokeMember("GetFunctions", BindingFlags.InvokeMethod, null, MyScript, null);
146
147 //string[] ret = { };
148 //if (Common.IL_CreateFunctionList)
149 // ret = (string[])type.InvokeMember("GetFunctions", BindingFlags.InvokeMethod, null, MyScript, null);
150
151 //foreach (string s in ret)
152 //{
153 // Common.SendToLog("");
154 // Common.SendToLog("*** Executing LSL Server Event: " + s);
155 // //object test = type.GetMember(s);
156 // //object runner = type.InvokeMember(s, BindingFlags.Public | BindingFlags.InvokeMethod | BindingFlags.Instance, null, MyScript, args);
157 // //runner();
158 // //objBooks_Late = type.InvokeMember(s, BindingFlags.CreateInstance, null, objApp_Late, null);
159 // type.InvokeMember(s, BindingFlags.InvokeMethod, null, MyScript, new object[] { "Test" });
160
161 //}
162 }
163
164
165 private static void IL_CREATE_CONSTRUCTOR(TypeBuilder typeBuilder, LSO_Parser LSOP)
166 {
167 Common.SendToDebug("IL_CREATE_CONSTRUCTOR()");
168 //ConstructorBuilder constructor = typeBuilder.DefineConstructor(
169 // MethodAttributes.Public,
170 // CallingConventions.Standard,
171 // new Type[0]);
172 ConstructorBuilder constructor = typeBuilder.DefineConstructor(
173 MethodAttributes.Public |
174 MethodAttributes.SpecialName |
175 MethodAttributes.RTSpecialName,
176 CallingConventions.Standard,
177 new Type[0]);
178
179 //Define the reflection ConstructorInfor for System.Object
180 ConstructorInfo conObj = typeof (LSL_BaseClass).GetConstructor(new Type[0]);
181
182 //call constructor of base object
183 ILGenerator il = constructor.GetILGenerator();
184
185 il.Emit(OpCodes.Ldarg_0);
186 il.Emit(OpCodes.Call, conObj);
187
188
189 //Common.SendToDebug("IL_CREATE_CONSTRUCTOR: Creating global: UInt32 State = 0;");
190 //string FieldName;
191 //// Create state object
192 //FieldName = "State";
193 //FieldBuilder State_fb = typeBuilder.DefineField(
194 // FieldName,
195 // typeof(UInt32),
196 // FieldAttributes.Public);
197 //il.Emit(OpCodes.Ldarg_0);
198 //il.Emit(OpCodes.Ldc_I4, 0);
199 //il.Emit(OpCodes.Stfld, State_fb);
200
201
202 //Common.SendToDebug("IL_CREATE_CONSTRUCTOR: Creating global: LSL_BuiltIn_Commands_TestImplementation LSL_BuiltIns = New LSL_BuiltIn_Commands_TestImplementation();");
203 ////Type objType1 = typeof(object);
204 //Type objType1 = typeof(LSL_BuiltIn_Commands_TestImplementation);
205
206 //FieldName = "LSL_BuiltIns";
207 //FieldBuilder LSL_BuiltIns_fb = typeBuilder.DefineField(
208 // FieldName,
209 // objType1,
210 // FieldAttributes.Public);
211
212 ////LSL_BuiltIn_Commands_TestImplementation _ti = new LSL_BuiltIn_Commands_TestImplementation();
213 //il.Emit(OpCodes.Ldarg_0);
214 ////il.Emit(OpCodes.Ldstr, "Test 123");
215 //il.Emit(OpCodes.Newobj, objType1.GetConstructor(new Type[] { }));
216 //il.Emit(OpCodes.Stfld, LSL_BuiltIns_fb);
217
218 foreach (UInt32 pos in LSOP.StaticBlocks.Keys)
219 {
220 LSO_Struct.StaticBlock sb;
221 LSOP.StaticBlocks.TryGetValue(pos, out sb);
222
223 if (sb.ObjectType > 0 && sb.ObjectType < 8)
224 {
225 // We don't want void or null's
226
227 il.Emit(OpCodes.Ldarg_0);
228 // Push position to stack
229 il.Emit(OpCodes.Ldc_I4, pos);
230 //il.Emit(OpCodes.Box, typeof(UInt32));
231
232
233 Type datatype = null;
234
235 // Push data to stack
236 Common.SendToDebug("Adding to static (" + pos + ") type: " +
237 ((LSO_Enums.Variable_Type_Codes) sb.ObjectType).ToString() + " (" + sb.ObjectType +
238 ")");
239 switch ((LSO_Enums.Variable_Type_Codes) sb.ObjectType)
240 {
241 case LSO_Enums.Variable_Type_Codes.Float:
242 case LSO_Enums.Variable_Type_Codes.Integer:
243 //UInt32
244 il.Emit(OpCodes.Ldc_I4, BitConverter.ToUInt32(sb.BlockVariable, 0));
245 datatype = typeof (UInt32);
246 il.Emit(OpCodes.Box, datatype);
247 break;
248 case LSO_Enums.Variable_Type_Codes.String:
249 case LSO_Enums.Variable_Type_Codes.Key:
250 //String
251 LSO_Struct.HeapBlock hb =
252 LSOP.GetHeap(LSOP.myHeader.HR + BitConverter.ToUInt32(sb.BlockVariable, 0) - 1);
253 il.Emit(OpCodes.Ldstr, Encoding.UTF8.GetString(hb.Data));
254 datatype = typeof (string);
255 break;
256 case LSO_Enums.Variable_Type_Codes.Vector:
257 datatype = typeof (LSO_Enums.Vector);
258 //TODO: Not implemented
259 break;
260 case LSO_Enums.Variable_Type_Codes.Rotation:
261 //Object
262 //TODO: Not implemented
263 datatype = typeof (LSO_Enums.Rotation);
264 break;
265 default:
266 datatype = typeof (object);
267 break;
268 }
269
270
271 // Make call
272 il.Emit(OpCodes.Call,
273 typeof (LSL_BaseClass).GetMethod("AddToStatic", new Type[] {typeof (UInt32), datatype}));
274 }
275 }
276
277
278 ////il.Emit(OpCodes.Newobj, typeof(UInt32));
279 //il.Emit(OpCodes.Starg_0);
280 //// Create LSL function library
281 //FieldBuilder LSL_BuiltIns_fb = typeBuilder.DefineField("LSL_BuiltIns", typeof(LSL_BuiltIn_Commands_Interface), FieldAttributes.Public);
282 //il.Emit(OpCodes.Newobj, typeof(LSL_BuiltIn_Commands_Interface));
283 //il.Emit(OpCodes.Stloc_1);
284
285 il.Emit(OpCodes.Ret);
286 }
287
288
289 // End of class
290 }
291}
generated by cgit v1.1 at 2024-07-02 20:22:43 +0000