From ea980ca9282ad4fe77aca81c675c56e30d721f70 Mon Sep 17 00:00:00 2001 From: lbsa71 Date: Mon, 6 Aug 2007 12:54:58 +0000 Subject: ... and here's the second part... --- .../Engines/JVMEngine/JVM/Interpreter.Logic.cs | 551 +++++++++++++++++++++ 1 file changed, 551 insertions(+) create mode 100644 OpenSim/Region/Environment/Scenes/Scripting/Engines/JVMEngine/JVM/Interpreter.Logic.cs (limited to 'OpenSim/Region/Environment/Scenes/Scripting/Engines/JVMEngine/JVM/Interpreter.Logic.cs') diff --git a/OpenSim/Region/Environment/Scenes/Scripting/Engines/JVMEngine/JVM/Interpreter.Logic.cs b/OpenSim/Region/Environment/Scenes/Scripting/Engines/JVMEngine/JVM/Interpreter.Logic.cs new file mode 100644 index 0000000..ef6570d --- /dev/null +++ b/OpenSim/Region/Environment/Scenes/Scripting/Engines/JVMEngine/JVM/Interpreter.Logic.cs @@ -0,0 +1,551 @@ +/* +* Copyright (c) Contributors, http://www.openmetaverse.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 OpenSim.Region.Scripting.EmbeddedJVM.Types; +using OpenSim.Region.Scripting.EmbeddedJVM.Types.PrimitiveTypes; + +namespace OpenSim.Region.Scripting.EmbeddedJVM +{ + partial class Thread + { + private partial class Interpreter + { + private bool IsLogicOpCode(byte opcode) + { + bool result = false; + switch (opcode) + { + case (byte)(byte)OpCode.iconst_m1: + Int m_int = new Int(); + m_int.mValue = -1; + this.m_thread.m_currentFrame.OpStack.Push(m_int); + result = true; + break; + case (byte)(byte)OpCode.iconst_0: + m_int = new Int(); + m_int.mValue = 0; + this.m_thread.m_currentFrame.OpStack.Push(m_int); + result = true; + break; + case (byte)(byte)OpCode.iconst_1: + m_int = new Int(); + m_int.mValue = 1; + this.m_thread.m_currentFrame.OpStack.Push(m_int); + result = true; + break; + case (byte)(byte)OpCode.iconst_2: + m_int = new Int(); + m_int.mValue = 2; + this.m_thread.m_currentFrame.OpStack.Push(m_int); + result = true; + break; + case (byte)(byte)OpCode.iconst_3: + m_int = new Int(); + m_int.mValue = 3; + this.m_thread.m_currentFrame.OpStack.Push(m_int); + break; + case (byte)(byte)OpCode.iconst_4: + m_int = new Int(); + m_int.mValue = 4; + this.m_thread.m_currentFrame.OpStack.Push(m_int); + result = true; + break; + case (byte)OpCode.iconst_5: + m_int = new Int(); + m_int.mValue = 5; + this.m_thread.m_currentFrame.OpStack.Push(m_int); + result = true; + break; + case (byte)OpCode.fconst_0: + Float m_float = new Float(); + m_float.mValue = 0.0f; + this.m_thread.m_currentFrame.OpStack.Push(m_float); + result = true; + break; + case (byte)OpCode.fconst_1: + m_float = new Float(); + m_float.mValue = 1.0f; + this.m_thread.m_currentFrame.OpStack.Push(m_float); + result = true; + break; + case (byte)OpCode.fconst_2: + m_float = new Float(); + m_float.mValue = 2.0f; + this.m_thread.m_currentFrame.OpStack.Push(m_float); + result = true; + break; + case (byte)OpCode.bipush: //is this right? this should be pushing a byte onto stack not int? + int pushvalue = (int)GlobalMemory.MethodArea.MethodBuffer[this.m_thread.PC]; + Int pushInt = new Int(); + pushInt.mValue = pushvalue; + this.m_thread.m_currentFrame.OpStack.Push(pushInt); + this.m_thread.PC++; + result = true; + break; + case (byte)OpCode.sipush: + short pushvalue2 = (short)((GlobalMemory.MethodArea.MethodBuffer[this.m_thread.PC] << 8) + GlobalMemory.MethodArea.MethodBuffer[this.m_thread.PC + 1]); + Int pushInt2 = new Int(); + pushInt2.mValue = pushvalue2; + this.m_thread.m_currentFrame.OpStack.Push(pushInt2); + this.m_thread.PC += 2; + result = true; + break; + case (byte)OpCode.fload: + short findex1 = (short)((GlobalMemory.MethodArea.MethodBuffer[this.m_thread.PC])); + Float fload = new Float(); + if (this.m_thread.m_currentFrame.LocalVariables[findex1] != null) + { + if (this.m_thread.m_currentFrame.LocalVariables[findex1] is Float) + { + fload.mValue = ((Float)this.m_thread.m_currentFrame.LocalVariables[findex1]).mValue; + this.m_thread.m_currentFrame.OpStack.Push(fload); + } + } + this.m_thread.PC++; + result = true; + break; + case (byte)OpCode.iload_0: + if (this.m_thread.m_currentFrame.LocalVariables[0] != null) + { + if (this.m_thread.m_currentFrame.LocalVariables[0] is Int) + { + Int newInt = new Int(); + newInt.mValue = ((Int)this.m_thread.m_currentFrame.LocalVariables[0]).mValue; + this.m_thread.m_currentFrame.OpStack.Push(newInt); + } + } + result = true; + break; + case (byte)OpCode.iload_1: + if (this.m_thread.m_currentFrame.LocalVariables[1] != null) + { + if (this.m_thread.m_currentFrame.LocalVariables[1] is Int) + { + Int newInt = new Int(); + newInt.mValue = ((Int)this.m_thread.m_currentFrame.LocalVariables[1]).mValue; + this.m_thread.m_currentFrame.OpStack.Push(newInt); + } + } + result = true; + break; + case (byte)OpCode.fload_0: + if (this.m_thread.m_currentFrame.LocalVariables[0] != null) + { + if (this.m_thread.m_currentFrame.LocalVariables[0] is Float) + { + Float newfloat = new Float(); + newfloat.mValue = ((Float)this.m_thread.m_currentFrame.LocalVariables[0]).mValue; + this.m_thread.m_currentFrame.OpStack.Push(newfloat); + } + } + result = true; + break; + case (byte)OpCode.fload_1: + if (this.m_thread.m_currentFrame.LocalVariables[1] != null) + { + if (this.m_thread.m_currentFrame.LocalVariables[1] is Float) + { + Float newfloat = new Float(); + newfloat.mValue = ((Float)this.m_thread.m_currentFrame.LocalVariables[1]).mValue; + this.m_thread.m_currentFrame.OpStack.Push(newfloat); + } + } + result = true; + break; + case (byte)OpCode.fload_2: + if (this.m_thread.m_currentFrame.LocalVariables[2] != null) + { + if (this.m_thread.m_currentFrame.LocalVariables[2] is Float) + { + Float newfloat = new Float(); + newfloat.mValue = ((Float)this.m_thread.m_currentFrame.LocalVariables[2]).mValue; + this.m_thread.m_currentFrame.OpStack.Push(newfloat); + } + } + result = true; + break; + case (byte)OpCode.fload_3: + if (this.m_thread.m_currentFrame.LocalVariables[3] != null) + { + if (this.m_thread.m_currentFrame.LocalVariables[3] is Float) + { + Float newfloat = new Float(); + newfloat.mValue = ((Float)this.m_thread.m_currentFrame.LocalVariables[3]).mValue; + this.m_thread.m_currentFrame.OpStack.Push(newfloat); + } + } + result = true; + break; + case (byte)OpCode.istore: + short findex3 = (short)((GlobalMemory.MethodArea.MethodBuffer[this.m_thread.PC])); + BaseType istor = this.m_thread.m_currentFrame.OpStack.Pop(); + if (istor is Int) + { + this.m_thread.m_currentFrame.LocalVariables[findex3] = (Int)istor; + } + this.m_thread.PC++; + result = true; + break; + case (byte)OpCode.fstore: + short findex = (short)((GlobalMemory.MethodArea.MethodBuffer[this.m_thread.PC])); + BaseType fstor = this.m_thread.m_currentFrame.OpStack.Pop(); + if (fstor is Float) + { + this.m_thread.m_currentFrame.LocalVariables[findex] = (Float)fstor; + } + this.m_thread.PC++; + result = true; + break; + case (byte)OpCode.istore_0: + BaseType baset = this.m_thread.m_currentFrame.OpStack.Pop(); + if (baset is Int) + { + this.m_thread.m_currentFrame.LocalVariables[0] = (Int)baset; + } + result = true; + break; + case (byte)OpCode.istore_1: + baset = this.m_thread.m_currentFrame.OpStack.Pop(); + if (baset is Int) + { + this.m_thread.m_currentFrame.LocalVariables[1] = (Int)baset; + } + result = true; + break; + case (byte)OpCode.fstore_0: + baset = this.m_thread.m_currentFrame.OpStack.Pop(); + if (baset is Float) + { + this.m_thread.m_currentFrame.LocalVariables[0] = (Float)baset; + } + result = true; + break; + case (byte)OpCode.fstore_1: + baset = this.m_thread.m_currentFrame.OpStack.Pop(); + if (baset is Float) + { + this.m_thread.m_currentFrame.LocalVariables[1] = (Float)baset; + } + result = true; + break; + case (byte)OpCode.fstore_2: + baset = this.m_thread.m_currentFrame.OpStack.Pop(); + if (baset is Float) + { + this.m_thread.m_currentFrame.LocalVariables[2] = (Float)baset; + } + result = true; + break; + case (byte)OpCode.fstore_3: + baset = this.m_thread.m_currentFrame.OpStack.Pop(); + if (baset is Float) + { + this.m_thread.m_currentFrame.LocalVariables[3] = (Float)baset; + } + result = true; + break; + case (byte)OpCode.pop: + this.m_thread.m_currentFrame.OpStack.Pop(); + result = true; + break; + case (byte)OpCode.fadd: + BaseType bf2 = this.m_thread.m_currentFrame.OpStack.Pop(); + BaseType bf1 = this.m_thread.m_currentFrame.OpStack.Pop(); + if (bf1 is Float && bf2 is Float) + { + Float nflt = new Float(); + nflt.mValue = ((Float)bf1).mValue + ((Float)bf2).mValue; + this.m_thread.m_currentFrame.OpStack.Push(nflt); + } + result = true; + break; + case (byte)OpCode.fsub: + BaseType bsf2 = this.m_thread.m_currentFrame.OpStack.Pop(); + BaseType bsf1 = this.m_thread.m_currentFrame.OpStack.Pop(); + if (bsf1 is Float && bsf2 is Float) + { + Float resf = new Float(); + resf.mValue = ((Float)bsf1).mValue - ((Float)bsf2).mValue; + this.m_thread.m_currentFrame.OpStack.Push(resf); + } + result = true; + break; + case (byte)OpCode.imul: //check the order of the two values off the stack is correct + BaseType bs2 = this.m_thread.m_currentFrame.OpStack.Pop(); + BaseType bs1 = this.m_thread.m_currentFrame.OpStack.Pop(); + if (bs1 is Int && bs2 is Int) + { + Int nInt = new Int(); + nInt.mValue = ((Int)bs1).mValue * ((Int)bs2).mValue; + this.m_thread.m_currentFrame.OpStack.Push(nInt); + } + result = true; + break; + case (byte)OpCode.iinc: + if (this.m_thread.m_currentFrame.LocalVariables[GlobalMemory.MethodArea.MethodBuffer[this.m_thread.PC]] != null) + { + if (this.m_thread.m_currentFrame.LocalVariables[GlobalMemory.MethodArea.MethodBuffer[this.m_thread.PC]] is Int) + { + ((Int)this.m_thread.m_currentFrame.LocalVariables[GlobalMemory.MethodArea.MethodBuffer[this.m_thread.PC]]).mValue += (sbyte)GlobalMemory.MethodArea.MethodBuffer[this.m_thread.PC + 1]; + } + } + this.m_thread.PC += 2; + result = true; + break; + case (byte)OpCode.f2i: + BaseType conv1 = this.m_thread.m_currentFrame.OpStack.Pop(); + if (conv1 is Float) + { + Int newconv = new Int(); + newconv.mValue = (int)((Float)conv1).mValue; + this.m_thread.m_currentFrame.OpStack.Push(newconv); + } + result = true; + break; + case (byte)OpCode.fcmpl: + BaseType flcom2 = this.m_thread.m_currentFrame.OpStack.Pop(); + BaseType flcom1 = this.m_thread.m_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.m_thread.m_currentFrame.OpStack.Push(compres); + } + result = true; + break; + case (byte)OpCode.fcmpg: + flcom2 = this.m_thread.m_currentFrame.OpStack.Pop(); + flcom1 = this.m_thread.m_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.m_thread.m_currentFrame.OpStack.Push(compres); + } + result = true; + break; + case (byte)OpCode.ifge: + short compareoffset2 = (short)((GlobalMemory.MethodArea.MethodBuffer[this.m_thread.PC] << 8) + GlobalMemory.MethodArea.MethodBuffer[this.m_thread.PC + 1]); + BaseType compe1 = this.m_thread.m_currentFrame.OpStack.Pop(); + if (compe1 is Int) + { + if (((Int)compe1).mValue >= 0) + { + this.m_thread.PC += -1 + compareoffset2; + } + else + { + this.m_thread.PC += 2; + } + } + else + { + this.m_thread.PC += 2; + } + result = true; + break; + case (byte)OpCode.ifle: + short compareoffset1 = (short)((GlobalMemory.MethodArea.MethodBuffer[this.m_thread.PC] << 8) + GlobalMemory.MethodArea.MethodBuffer[this.m_thread.PC + 1]); + BaseType comp1 = this.m_thread.m_currentFrame.OpStack.Pop(); + if (comp1 is Int) + { + if (((Int)comp1).mValue <= 0) + { + this.m_thread.PC += -1 + compareoffset1; + } + else + { + this.m_thread.PC += 2; + } + } + else + { + this.m_thread.PC += 2; + } + result = true; + break; + case (byte)OpCode.if_icmpge: + short compareoffset = (short)((GlobalMemory.MethodArea.MethodBuffer[this.m_thread.PC] << 8) + GlobalMemory.MethodArea.MethodBuffer[this.m_thread.PC + 1]); + BaseType bc2 = this.m_thread.m_currentFrame.OpStack.Pop(); + BaseType bc1 = this.m_thread.m_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.m_thread.PC += -1 + compareoffset; + //Console.WriteLine("new PC is " + this._mThread.PC); + } + else + { + //Console.WriteLine("branch compare false"); + this.m_thread.PC += 2; + } + } + else + { + this.m_thread.PC += 2; + } + result = true; + break; + case (byte)OpCode.if_icmple: + short compareloffset = (short)((GlobalMemory.MethodArea.MethodBuffer[this.m_thread.PC] << 8) + GlobalMemory.MethodArea.MethodBuffer[this.m_thread.PC + 1]); + BaseType bcl2 = this.m_thread.m_currentFrame.OpStack.Pop(); + BaseType bcl1 = this.m_thread.m_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.m_thread.PC += -1 + compareloffset; + // Console.WriteLine("new PC is " + this._mThread.PC); + } + else + { + //Console.WriteLine("branch compare false"); + this.m_thread.PC += 2; + } + } + else + { + this.m_thread.PC += 2; + } + result = true; + break; + case (byte)OpCode._goto: + short offset = (short)((GlobalMemory.MethodArea.MethodBuffer[this.m_thread.PC] << 8) + GlobalMemory.MethodArea.MethodBuffer[this.m_thread.PC + 1]); + this.m_thread.PC += -1 + offset; + result = true; + break; + case (byte)OpCode.getstatic: + short fieldrefIndex = (short)((GlobalMemory.MethodArea.MethodBuffer[this.m_thread.PC] << 8) + GlobalMemory.MethodArea.MethodBuffer[this.m_thread.PC + 1]); + if (this.m_thread.currentClass.m_constantsPool[fieldrefIndex - 1] is ClassRecord.PoolFieldRef) + { + if (((ClassRecord.PoolFieldRef)this.m_thread.currentClass.m_constantsPool[fieldrefIndex - 1]).mClass.Name.Value == this.m_thread.currentClass.MClass.Name.Value) + { + //from this class + if (this.m_thread.currentClass.StaticFields.ContainsKey(((ClassRecord.PoolFieldRef)this.m_thread.currentClass.m_constantsPool[fieldrefIndex - 1]).mNameType.Name.Value)) + { + if (this.m_thread.currentClass.StaticFields[((ClassRecord.PoolFieldRef)this.m_thread.currentClass.m_constantsPool[fieldrefIndex - 1]).mNameType.Name.Value] is Float) + { + Float retFloat = new Float(); + retFloat.mValue = ((Float)this.m_thread.currentClass.StaticFields[((ClassRecord.PoolFieldRef)this.m_thread.currentClass.m_constantsPool[fieldrefIndex - 1]).mNameType.Name.Value]).mValue; + this.m_thread.m_currentFrame.OpStack.Push(retFloat); + } + else if (this.m_thread.currentClass.StaticFields[((ClassRecord.PoolFieldRef)this.m_thread.currentClass.m_constantsPool[fieldrefIndex - 1]).mNameType.Name.Value] is Int) + { + Int retInt = new Int(); + retInt.mValue = ((Int)this.m_thread.currentClass.StaticFields[((ClassRecord.PoolFieldRef)this.m_thread.currentClass.m_constantsPool[fieldrefIndex - 1]).mNameType.Name.Value]).mValue; + // Console.WriteLine("getting static field, " + retInt.mValue); + this.m_thread.m_currentFrame.OpStack.Push(retInt); + } + } + } + else + { + //get from a different class + } + } + this.m_thread.PC += 2; + result = true; + break; + case (byte)OpCode.putstatic: + fieldrefIndex = (short)((GlobalMemory.MethodArea.MethodBuffer[this.m_thread.PC] << 8) + GlobalMemory.MethodArea.MethodBuffer[this.m_thread.PC + 1]); + BaseType addstatic = this.m_thread.m_currentFrame.OpStack.Pop(); + if (this.m_thread.currentClass.m_constantsPool[fieldrefIndex - 1] is ClassRecord.PoolFieldRef) + { + if (((ClassRecord.PoolFieldRef)this.m_thread.currentClass.m_constantsPool[fieldrefIndex - 1]).mClass.Name.Value == this.m_thread.currentClass.MClass.Name.Value) + { + // this class + if (this.m_thread.currentClass.StaticFields.ContainsKey(((ClassRecord.PoolFieldRef)this.m_thread.currentClass.m_constantsPool[fieldrefIndex - 1]).mNameType.Name.Value)) + { + if (addstatic is Float) + { + if (this.m_thread.currentClass.StaticFields[((ClassRecord.PoolFieldRef)this.m_thread.currentClass.m_constantsPool[fieldrefIndex - 1]).mNameType.Name.Value] is Float) + { + Float newf = new Float(); + newf.mValue = ((Float)addstatic).mValue; + this.m_thread.currentClass.StaticFields[((ClassRecord.PoolFieldRef)this.m_thread.currentClass.m_constantsPool[fieldrefIndex - 1]).mNameType.Name.Value] = newf; + } + } + else if (addstatic is Int) + { + if (this.m_thread.currentClass.StaticFields[((ClassRecord.PoolFieldRef)this.m_thread.currentClass.m_constantsPool[fieldrefIndex - 1]).mNameType.Name.Value] is Int) + { + //Console.WriteLine("setting static field to " + ((Int)addstatic).mValue); + Int newi = new Int(); + newi.mValue = ((Int)addstatic).mValue; + this.m_thread.currentClass.StaticFields[((ClassRecord.PoolFieldRef)this.m_thread.currentClass.m_constantsPool[fieldrefIndex - 1]).mNameType.Name.Value] = newi; + } + } + } + } + else + { + // a different class + } + } + this.m_thread.PC += 2; + result = true; + break; + + } + + return result; + } + } + } +} \ No newline at end of file -- cgit v1.1