From ffd7a6b8c22cd21e355f77fea20b145424e3d912 Mon Sep 17 00:00:00 2001 From: MW Date: Wed, 11 Apr 2007 09:45:48 +0000 Subject: Changed so that a bin\ScriptEngines\ directory will be searched for scripting Engines. Added the work in progress JVM scripting engine. --- OpenSim.Scripting.EmbeddedJVM/InterpreterLogic.cs | 376 ++++++++++++++++++++++ 1 file changed, 376 insertions(+) create mode 100644 OpenSim.Scripting.EmbeddedJVM/InterpreterLogic.cs (limited to 'OpenSim.Scripting.EmbeddedJVM/InterpreterLogic.cs') diff --git a/OpenSim.Scripting.EmbeddedJVM/InterpreterLogic.cs b/OpenSim.Scripting.EmbeddedJVM/InterpreterLogic.cs new file mode 100644 index 0000000..673970a --- /dev/null +++ b/OpenSim.Scripting.EmbeddedJVM/InterpreterLogic.cs @@ -0,0 +1,376 @@ +using System; +using System.Collections.Generic; +using System.Text; +using OpenSim.Scripting.EmbeddedJVM.Types; +using OpenSim.Scripting.EmbeddedJVM.Types.PrimitiveTypes; + +namespace OpenSim.Scripting.EmbeddedJVM +{ + partial class Thread + { + private partial class Interpreter + { + private bool IsLogicOpCode(byte opcode) + { + bool result = false; + switch (opcode) + { + case 2: + Int m_int= new Int(); + m_int.mValue = -1; + this._mThread.currentFrame.OpStack.Push(m_int); + result = true; + break; + case 3: + m_int= new Int(); + m_int.mValue = 0; + this._mThread.currentFrame.OpStack.Push(m_int); + result = true; + break; + case 4: + m_int = new Int(); + m_int.mValue = 1; + this._mThread.currentFrame.OpStack.Push(m_int); + result = true; + break; + case 5: + m_int = new Int(); + m_int.mValue = 2; + this._mThread.currentFrame.OpStack.Push(m_int); + result = true; + break; + case 6: + m_int = new Int(); + m_int.mValue = 3; + this._mThread.currentFrame.OpStack.Push(m_int); + break; + case 7: + m_int = new Int(); + m_int.mValue = 4; + this._mThread.currentFrame.OpStack.Push(m_int); + result = true; + break; + case 8: + m_int = new Int(); + m_int.mValue = 5; + this._mThread.currentFrame.OpStack.Push(m_int); + result = true; + break; + case 11: + Float m_float = new Float(); + m_float.mValue = 0.0f; + this._mThread.currentFrame.OpStack.Push(m_float); + result = true; + break; + case 12: + m_float = new Float(); + m_float.mValue = 1.0f; + this._mThread.currentFrame.OpStack.Push(m_float); + result = true; + break; + case 13: + m_float = new Float(); + m_float.mValue = 2.0f; + this._mThread.currentFrame.OpStack.Push(m_float); + result = true; + break; + case 16: + int pushvalue = (int)GlobalMemory.MethodArea.MethodBuffer[this._mThread.PC]; + Int pushInt = new Int(); + pushInt.mValue = pushvalue; + this._mThread.currentFrame.OpStack.Push(pushInt); + this._mThread.PC++; + result = true; + break; + case 17: + short pushvalue2 = (short)((GlobalMemory.MethodArea.MethodBuffer[this._mThread.PC] << 8) + GlobalMemory.MethodArea.MethodBuffer[this._mThread.PC + 1]); + Int pushInt2 = new Int(); + pushInt2.mValue = pushvalue2; + this._mThread.currentFrame.OpStack.Push(pushInt2); + this._mThread.PC += 2; + result = true; + break; + case 26: + if (this._mThread.currentFrame.LocalVariables[0] != null) + { + if (this._mThread.currentFrame.LocalVariables[0] is Int) + { + Int newInt = new Int(); + newInt.mValue = ((Int)this._mThread.currentFrame.LocalVariables[0]).mValue; + this._mThread.currentFrame.OpStack.Push(newInt); + } + } + result = true; + break; + case 27: + if (this._mThread.currentFrame.LocalVariables[1] != null) + { + if (this._mThread.currentFrame.LocalVariables[1] is Int) + { + Int newInt = new Int(); + newInt.mValue = ((Int)this._mThread.currentFrame.LocalVariables[1]).mValue; + this._mThread.currentFrame.OpStack.Push(newInt); + } + } + result = true; + break; + case 34: + if (this._mThread.currentFrame.LocalVariables[0] != null) + { + if (this._mThread.currentFrame.LocalVariables[0] is Float) + { + Float newfloat = new Float(); + newfloat.mValue = ((Float)this._mThread.currentFrame.LocalVariables[0]).mValue; + this._mThread.currentFrame.OpStack.Push(newfloat); + } + } + result = true; + break; + case 35: + if (this._mThread.currentFrame.LocalVariables[1] != null) + { + if (this._mThread.currentFrame.LocalVariables[1] is Float) + { + Float newfloat = new Float(); + newfloat.mValue = ((Float)this._mThread.currentFrame.LocalVariables[1]).mValue; + this._mThread.currentFrame.OpStack.Push(newfloat); + } + } + result = true; + break; + case 36: + if (this._mThread.currentFrame.LocalVariables[2] != null) + { + if (this._mThread.currentFrame.LocalVariables[2] is Float) + { + Float newfloat = new Float(); + newfloat.mValue = ((Float)this._mThread.currentFrame.LocalVariables[2]).mValue; + this._mThread.currentFrame.OpStack.Push(newfloat); + } + } + result = true; + break; + case 37: + if (this._mThread.currentFrame.LocalVariables[3] != null) + { + if (this._mThread.currentFrame.LocalVariables[3] is Float) + { + Float newfloat = new Float(); + newfloat.mValue = ((Float)this._mThread.currentFrame.LocalVariables[3]).mValue; + this._mThread.currentFrame.OpStack.Push(newfloat); + } + } + result = true; + break; + case 59: + BaseType baset = this._mThread.currentFrame.OpStack.Pop(); + if (baset is Int) + { + this._mThread.currentFrame.LocalVariables[0] = (Int)baset; + } + result = true; + break; + case 60: + baset = this._mThread.currentFrame.OpStack.Pop(); + if (baset is Int) + { + this._mThread.currentFrame.LocalVariables[1] = (Int)baset; + } + result = true; + break; + case 67: + baset = this._mThread.currentFrame.OpStack.Pop(); + if (baset is Float) + { + this._mThread.currentFrame.LocalVariables[0] = (Float)baset; + } + result = true; + break; + case 68: + baset = this._mThread.currentFrame.OpStack.Pop(); + if (baset is Float) + { + this._mThread.currentFrame.LocalVariables[1] = (Float)baset; + } + result = true; + break; + case 69: + baset = this._mThread.currentFrame.OpStack.Pop(); + if (baset is Float) + { + this._mThread.currentFrame.LocalVariables[2] = (Float)baset; + } + result = true; + break; + case 70: + baset = this._mThread.currentFrame.OpStack.Pop(); + if (baset is Float) + { + this._mThread.currentFrame.LocalVariables[3] = (Float)baset; + } + result = true; + break; + case 87: + this._mThread.currentFrame.OpStack.Pop(); + result = true; + break; + case 98: + BaseType bf2 = this._mThread.currentFrame.OpStack.Pop(); + BaseType bf1 = this._mThread.currentFrame.OpStack.Pop(); + if (bf1 is Float && bf2 is Float) + { + Float nflt = new Float(); + nflt.mValue = ((Float)bf1).mValue + ((Float)bf2).mValue; + this._mThread.currentFrame.OpStack.Push(nflt); + } + result = true; + break; + case 102: + BaseType bsf2 = this._mThread.currentFrame.OpStack.Pop(); + BaseType bsf1 = this._mThread.currentFrame.OpStack.Pop(); + if (bsf1 is Float && bsf2 is Float) + { + Float resf = new Float(); + resf.mValue = ((Float)bsf1).mValue - ((Float)bsf2).mValue; + this._mThread.currentFrame.OpStack.Push(resf); + } + result = true; + break; + case 104: //check the order of the two values off the stack is correct + BaseType bs2 = this._mThread.currentFrame.OpStack.Pop(); + BaseType bs1 = this._mThread.currentFrame.OpStack.Pop(); + if (bs1 is Int && bs2 is Int) + { + Int nInt = new Int(); + nInt.mValue = ((Int)bs1).mValue * ((Int)bs2).mValue; + this._mThread.currentFrame.OpStack.Push(nInt); + } + result = true; + break; + case 132: + if (this._mThread.currentFrame.LocalVariables[GlobalMemory.MethodArea.MethodBuffer[this._mThread.PC]] != null) + { + if (this._mThread.currentFrame.LocalVariables[GlobalMemory.MethodArea.MethodBuffer[this._mThread.PC]] is Int) + { + ((Int)this._mThread.currentFrame.LocalVariables[GlobalMemory.MethodArea.MethodBuffer[this._mThread.PC]]).mValue += (sbyte) GlobalMemory.MethodArea.MethodBuffer[this._mThread.PC + 1]; + } + } + this._mThread.PC += 2; + result = true; + break; + case 139: + BaseType conv1 = this._mThread.currentFrame.OpStack.Pop(); + if (conv1 is Float) + { + Int newconv = new Int(); + newconv.mValue = (int)((Float)conv1).mValue; + this._mThread.currentFrame.OpStack.Push(newconv); + } + result = true; + break; + case 149: + BaseType flcom2 = this._mThread.currentFrame.OpStack.Pop(); + BaseType flcom1 = this._mThread.currentFrame.OpStack.Pop(); + if (flcom1 is Float && flcom2 is Float) + { + Int compres = new Int(); + if (((Float)flcom1).mValue > ((Float)flcom2).mValue) + { + compres.mValue = -1; + } + else if (((Float)flcom1).mValue < ((Float)flcom2).mValue) + { + compres.mValue = 1; + } + else + { + compres.mValue = 0; + } + this._mThread.currentFrame.OpStack.Push(compres); + } + result = true; + break; + case 158: + short compareoffset1 = (short)((GlobalMemory.MethodArea.MethodBuffer[this._mThread.PC] << 8) + GlobalMemory.MethodArea.MethodBuffer[this._mThread.PC + 1]); + BaseType comp1 = this._mThread.currentFrame.OpStack.Pop(); + if (comp1 is Int) + { + if (((Int)comp1).mValue <= 0) + { + this._mThread.PC += -1 + compareoffset1; + } + else + { + this._mThread.PC += 2; + } + } + else + { + this._mThread.PC += 2; + } + result = true; + break; + case 162: + short compareoffset = (short)((GlobalMemory.MethodArea.MethodBuffer[this._mThread.PC] << 8) + GlobalMemory.MethodArea.MethodBuffer[this._mThread.PC + 1]); + BaseType bc2 = this._mThread.currentFrame.OpStack.Pop(); + BaseType bc1 = this._mThread.currentFrame.OpStack.Pop(); + if (bc1 is Int && bc2 is Int) + { + //Console.WriteLine("comparing " + ((Int)bc1).mValue + " and " + ((Int)bc2).mValue); + if (((Int)bc1).mValue >= ((Int)bc2).mValue) + { + // Console.WriteLine("branch compare true , offset is " +compareoffset); + // Console.WriteLine("current PC is " + this._mThread.PC); + this._mThread.PC += -1 + compareoffset; + //Console.WriteLine("new PC is " + this._mThread.PC); + } + else + { + //Console.WriteLine("branch compare false"); + this._mThread.PC += 2; + } + } + else + { + this._mThread.PC += 2; + } + result = true; + break; + case 164: + short compareloffset = (short)((GlobalMemory.MethodArea.MethodBuffer[this._mThread.PC] << 8) + GlobalMemory.MethodArea.MethodBuffer[this._mThread.PC + 1]); + BaseType bcl2 = this._mThread.currentFrame.OpStack.Pop(); + BaseType bcl1 = this._mThread.currentFrame.OpStack.Pop(); + if (bcl1 is Int && bcl2 is Int) + { + //Console.WriteLine("comparing " + ((Int)bcl1).mValue + " and " + ((Int)bcl2).mValue); + if (((Int)bcl1).mValue <= ((Int)bcl2).mValue) + { + // Console.WriteLine("branch compare true , offset is " + compareloffset); + // Console.WriteLine("current PC is " + this._mThread.PC); + this._mThread.PC += -1 + compareloffset; + // Console.WriteLine("new PC is " + this._mThread.PC); + } + else + { + //Console.WriteLine("branch compare false"); + this._mThread.PC += 2; + } + } + else + { + this._mThread.PC += 2; + } + result = true; + break; + case 167: + short offset = (short)((GlobalMemory.MethodArea.MethodBuffer[this._mThread.PC] << 8) + GlobalMemory.MethodArea.MethodBuffer[this._mThread.PC+1]); + this._mThread.PC += -1 + offset; + result = true; + break; + } + + return result; + } + } + } +} -- cgit v1.1