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-rw-r--r--OpenSim/OpenSim.Scripting/EmbeddedJVM/InterpreterLogic.cs400
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diff --git a/OpenSim/OpenSim.Scripting/EmbeddedJVM/InterpreterLogic.cs b/OpenSim/OpenSim.Scripting/EmbeddedJVM/InterpreterLogic.cs
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+++ b/OpenSim/OpenSim.Scripting/EmbeddedJVM/InterpreterLogic.cs
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1using System;
2using System.Collections.Generic;
3using System.Text;
4using OpenSim.Scripting.EmbeddedJVM.Types;
5using OpenSim.Scripting.EmbeddedJVM.Types.PrimitiveTypes;
6
7namespace OpenSim.Scripting.EmbeddedJVM
8{
9 partial class Thread
10 {
11 private partial class Interpreter
12 {
13 private bool IsLogicOpCode(byte opcode)
14 {
15 bool result = false;
16 switch (opcode)
17 {
18 case 2:
19 Int m_int= new Int();
20 m_int.mValue = -1;
21 this._mThread.currentFrame.OpStack.Push(m_int);
22 result = true;
23 break;
24 case 3:
25 m_int= new Int();
26 m_int.mValue = 0;
27 this._mThread.currentFrame.OpStack.Push(m_int);
28 result = true;
29 break;
30 case 4:
31 m_int = new Int();
32 m_int.mValue = 1;
33 this._mThread.currentFrame.OpStack.Push(m_int);
34 result = true;
35 break;
36 case 5:
37 m_int = new Int();
38 m_int.mValue = 2;
39 this._mThread.currentFrame.OpStack.Push(m_int);
40 result = true;
41 break;
42 case 6:
43 m_int = new Int();
44 m_int.mValue = 3;
45 this._mThread.currentFrame.OpStack.Push(m_int);
46 break;
47 case 7:
48 m_int = new Int();
49 m_int.mValue = 4;
50 this._mThread.currentFrame.OpStack.Push(m_int);
51 result = true;
52 break;
53 case 8:
54 m_int = new Int();
55 m_int.mValue = 5;
56 this._mThread.currentFrame.OpStack.Push(m_int);
57 result = true;
58 break;
59 case 11:
60 Float m_float = new Float();
61 m_float.mValue = 0.0f;
62 this._mThread.currentFrame.OpStack.Push(m_float);
63 result = true;
64 break;
65 case 12:
66 m_float = new Float();
67 m_float.mValue = 1.0f;
68 this._mThread.currentFrame.OpStack.Push(m_float);
69 result = true;
70 break;
71 case 13:
72 m_float = new Float();
73 m_float.mValue = 2.0f;
74 this._mThread.currentFrame.OpStack.Push(m_float);
75 result = true;
76 break;
77 case 16:
78 int pushvalue = (int)GlobalMemory.MethodArea.MethodBuffer[this._mThread.PC];
79 Int pushInt = new Int();
80 pushInt.mValue = pushvalue;
81 this._mThread.currentFrame.OpStack.Push(pushInt);
82 this._mThread.PC++;
83 result = true;
84 break;
85 case 17:
86 short pushvalue2 = (short)((GlobalMemory.MethodArea.MethodBuffer[this._mThread.PC] << 8) + GlobalMemory.MethodArea.MethodBuffer[this._mThread.PC + 1]);
87 Int pushInt2 = new Int();
88 pushInt2.mValue = pushvalue2;
89 this._mThread.currentFrame.OpStack.Push(pushInt2);
90 this._mThread.PC += 2;
91 result = true;
92 break;
93 case 23:
94 short findex1 = (short)((GlobalMemory.MethodArea.MethodBuffer[this._mThread.PC]));
95 Float fload = new Float();
96 if (this._mThread.currentFrame.LocalVariables[findex1] != null)
97 {
98 if (this._mThread.currentFrame.LocalVariables[findex1] is Float)
99 {
100 fload.mValue = ((Float)this._mThread.currentFrame.LocalVariables[findex1]).mValue;
101 this._mThread.currentFrame.OpStack.Push(fload);
102 }
103 }
104 this._mThread.PC++;
105 result = true;
106 break;
107 case 26:
108 if (this._mThread.currentFrame.LocalVariables[0] != null)
109 {
110 if (this._mThread.currentFrame.LocalVariables[0] is Int)
111 {
112 Int newInt = new Int();
113 newInt.mValue = ((Int)this._mThread.currentFrame.LocalVariables[0]).mValue;
114 this._mThread.currentFrame.OpStack.Push(newInt);
115 }
116 }
117 result = true;
118 break;
119 case 27:
120 if (this._mThread.currentFrame.LocalVariables[1] != null)
121 {
122 if (this._mThread.currentFrame.LocalVariables[1] is Int)
123 {
124 Int newInt = new Int();
125 newInt.mValue = ((Int)this._mThread.currentFrame.LocalVariables[1]).mValue;
126 this._mThread.currentFrame.OpStack.Push(newInt);
127 }
128 }
129 result = true;
130 break;
131 case 34:
132 if (this._mThread.currentFrame.LocalVariables[0] != null)
133 {
134 if (this._mThread.currentFrame.LocalVariables[0] is Float)
135 {
136 Float newfloat = new Float();
137 newfloat.mValue = ((Float)this._mThread.currentFrame.LocalVariables[0]).mValue;
138 this._mThread.currentFrame.OpStack.Push(newfloat);
139 }
140 }
141 result = true;
142 break;
143 case 35:
144 if (this._mThread.currentFrame.LocalVariables[1] != null)
145 {
146 if (this._mThread.currentFrame.LocalVariables[1] is Float)
147 {
148 Float newfloat = new Float();
149 newfloat.mValue = ((Float)this._mThread.currentFrame.LocalVariables[1]).mValue;
150 this._mThread.currentFrame.OpStack.Push(newfloat);
151 }
152 }
153 result = true;
154 break;
155 case 36:
156 if (this._mThread.currentFrame.LocalVariables[2] != null)
157 {
158 if (this._mThread.currentFrame.LocalVariables[2] is Float)
159 {
160 Float newfloat = new Float();
161 newfloat.mValue = ((Float)this._mThread.currentFrame.LocalVariables[2]).mValue;
162 this._mThread.currentFrame.OpStack.Push(newfloat);
163 }
164 }
165 result = true;
166 break;
167 case 37:
168 if (this._mThread.currentFrame.LocalVariables[3] != null)
169 {
170 if (this._mThread.currentFrame.LocalVariables[3] is Float)
171 {
172 Float newfloat = new Float();
173 newfloat.mValue = ((Float)this._mThread.currentFrame.LocalVariables[3]).mValue;
174 this._mThread.currentFrame.OpStack.Push(newfloat);
175 }
176 }
177 result = true;
178 break;
179 case 56:
180 short findex = (short)((GlobalMemory.MethodArea.MethodBuffer[this._mThread.PC] ));
181 BaseType fstor = this._mThread.currentFrame.OpStack.Pop();
182 if (fstor is Float)
183 {
184 this._mThread.currentFrame.LocalVariables[findex] = (Float)fstor;
185 }
186 this._mThread.PC++;
187 result = true;
188 break;
189 case 59:
190 BaseType baset = this._mThread.currentFrame.OpStack.Pop();
191 if (baset is Int)
192 {
193 this._mThread.currentFrame.LocalVariables[0] = (Int)baset;
194 }
195 result = true;
196 break;
197 case 60:
198 baset = this._mThread.currentFrame.OpStack.Pop();
199 if (baset is Int)
200 {
201 this._mThread.currentFrame.LocalVariables[1] = (Int)baset;
202 }
203 result = true;
204 break;
205 case 67:
206 baset = this._mThread.currentFrame.OpStack.Pop();
207 if (baset is Float)
208 {
209 this._mThread.currentFrame.LocalVariables[0] = (Float)baset;
210 }
211 result = true;
212 break;
213 case 68:
214 baset = this._mThread.currentFrame.OpStack.Pop();
215 if (baset is Float)
216 {
217 this._mThread.currentFrame.LocalVariables[1] = (Float)baset;
218 }
219 result = true;
220 break;
221 case 69:
222 baset = this._mThread.currentFrame.OpStack.Pop();
223 if (baset is Float)
224 {
225 this._mThread.currentFrame.LocalVariables[2] = (Float)baset;
226 }
227 result = true;
228 break;
229 case 70:
230 baset = this._mThread.currentFrame.OpStack.Pop();
231 if (baset is Float)
232 {
233 this._mThread.currentFrame.LocalVariables[3] = (Float)baset;
234 }
235 result = true;
236 break;
237 case 87:
238 this._mThread.currentFrame.OpStack.Pop();
239 result = true;
240 break;
241 case 98:
242 BaseType bf2 = this._mThread.currentFrame.OpStack.Pop();
243 BaseType bf1 = this._mThread.currentFrame.OpStack.Pop();
244 if (bf1 is Float && bf2 is Float)
245 {
246 Float nflt = new Float();
247 nflt.mValue = ((Float)bf1).mValue + ((Float)bf2).mValue;
248 this._mThread.currentFrame.OpStack.Push(nflt);
249 }
250 result = true;
251 break;
252 case 102:
253 BaseType bsf2 = this._mThread.currentFrame.OpStack.Pop();
254 BaseType bsf1 = this._mThread.currentFrame.OpStack.Pop();
255 if (bsf1 is Float && bsf2 is Float)
256 {
257 Float resf = new Float();
258 resf.mValue = ((Float)bsf1).mValue - ((Float)bsf2).mValue;
259 this._mThread.currentFrame.OpStack.Push(resf);
260 }
261 result = true;
262 break;
263 case 104: //check the order of the two values off the stack is correct
264 BaseType bs2 = this._mThread.currentFrame.OpStack.Pop();
265 BaseType bs1 = this._mThread.currentFrame.OpStack.Pop();
266 if (bs1 is Int && bs2 is Int)
267 {
268 Int nInt = new Int();
269 nInt.mValue = ((Int)bs1).mValue * ((Int)bs2).mValue;
270 this._mThread.currentFrame.OpStack.Push(nInt);
271 }
272 result = true;
273 break;
274 case 132:
275 if (this._mThread.currentFrame.LocalVariables[GlobalMemory.MethodArea.MethodBuffer[this._mThread.PC]] != null)
276 {
277 if (this._mThread.currentFrame.LocalVariables[GlobalMemory.MethodArea.MethodBuffer[this._mThread.PC]] is Int)
278 {
279 ((Int)this._mThread.currentFrame.LocalVariables[GlobalMemory.MethodArea.MethodBuffer[this._mThread.PC]]).mValue += (sbyte) GlobalMemory.MethodArea.MethodBuffer[this._mThread.PC + 1];
280 }
281 }
282 this._mThread.PC += 2;
283 result = true;
284 break;
285 case 139:
286 BaseType conv1 = this._mThread.currentFrame.OpStack.Pop();
287 if (conv1 is Float)
288 {
289 Int newconv = new Int();
290 newconv.mValue = (int)((Float)conv1).mValue;
291 this._mThread.currentFrame.OpStack.Push(newconv);
292 }
293 result = true;
294 break;
295 case 149:
296 BaseType flcom2 = this._mThread.currentFrame.OpStack.Pop();
297 BaseType flcom1 = this._mThread.currentFrame.OpStack.Pop();
298 if (flcom1 is Float && flcom2 is Float)
299 {
300 Int compres = new Int();
301 if (((Float)flcom1).mValue < ((Float)flcom2).mValue)
302 {
303 compres.mValue = -1;
304 }
305 else if (((Float)flcom1).mValue > ((Float)flcom2).mValue)
306 {
307 compres.mValue = 1;
308 }
309 else
310 {
311 compres.mValue = 0;
312 }
313 this._mThread.currentFrame.OpStack.Push(compres);
314 }
315 result = true;
316 break;
317 case 158:
318 short compareoffset1 = (short)((GlobalMemory.MethodArea.MethodBuffer[this._mThread.PC] << 8) + GlobalMemory.MethodArea.MethodBuffer[this._mThread.PC + 1]);
319 BaseType comp1 = this._mThread.currentFrame.OpStack.Pop();
320 if (comp1 is Int)
321 {
322 if (((Int)comp1).mValue <= 0)
323 {
324 this._mThread.PC += -1 + compareoffset1;
325 }
326 else
327 {
328 this._mThread.PC += 2;
329 }
330 }
331 else
332 {
333 this._mThread.PC += 2;
334 }
335 result = true;
336 break;
337 case 162:
338 short compareoffset = (short)((GlobalMemory.MethodArea.MethodBuffer[this._mThread.PC] << 8) + GlobalMemory.MethodArea.MethodBuffer[this._mThread.PC + 1]);
339 BaseType bc2 = this._mThread.currentFrame.OpStack.Pop();
340 BaseType bc1 = this._mThread.currentFrame.OpStack.Pop();
341 if (bc1 is Int && bc2 is Int)
342 {
343 //Console.WriteLine("comparing " + ((Int)bc1).mValue + " and " + ((Int)bc2).mValue);
344 if (((Int)bc1).mValue >= ((Int)bc2).mValue)
345 {
346 // Console.WriteLine("branch compare true , offset is " +compareoffset);
347 // Console.WriteLine("current PC is " + this._mThread.PC);
348 this._mThread.PC += -1 + compareoffset;
349 //Console.WriteLine("new PC is " + this._mThread.PC);
350 }
351 else
352 {
353 //Console.WriteLine("branch compare false");
354 this._mThread.PC += 2;
355 }
356 }
357 else
358 {
359 this._mThread.PC += 2;
360 }
361 result = true;
362 break;
363 case 164:
364 short compareloffset = (short)((GlobalMemory.MethodArea.MethodBuffer[this._mThread.PC] << 8) + GlobalMemory.MethodArea.MethodBuffer[this._mThread.PC + 1]);
365 BaseType bcl2 = this._mThread.currentFrame.OpStack.Pop();
366 BaseType bcl1 = this._mThread.currentFrame.OpStack.Pop();
367 if (bcl1 is Int && bcl2 is Int)
368 {
369 //Console.WriteLine("comparing " + ((Int)bcl1).mValue + " and " + ((Int)bcl2).mValue);
370 if (((Int)bcl1).mValue <= ((Int)bcl2).mValue)
371 {
372 // Console.WriteLine("branch compare true , offset is " + compareloffset);
373 // Console.WriteLine("current PC is " + this._mThread.PC);
374 this._mThread.PC += -1 + compareloffset;
375 // Console.WriteLine("new PC is " + this._mThread.PC);
376 }
377 else
378 {
379 //Console.WriteLine("branch compare false");
380 this._mThread.PC += 2;
381 }
382 }
383 else
384 {
385 this._mThread.PC += 2;
386 }
387 result = true;
388 break;
389 case 167:
390 short offset = (short)((GlobalMemory.MethodArea.MethodBuffer[this._mThread.PC] << 8) + GlobalMemory.MethodArea.MethodBuffer[this._mThread.PC+1]);
391 this._mThread.PC += -1 + offset;
392 result = true;
393 break;
394 }
395
396 return result;
397 }
398 }
399 }
400}