136 lines
6.0 KiB
C#
136 lines
6.0 KiB
C#
/*
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* Copyright (c) Contributors, http://opensimulator.org/
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* See CONTRIBUTORS.TXT for a full list of copyright holders.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the OpenSim Project nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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using System;
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using System.Collections.Generic;
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using System.Text;
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using OpenSim.Region.ExtensionsScriptModule.JVMEngine.Types;
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using OpenSim.Region.ExtensionsScriptModule.JVMEngine.Types.PrimitiveTypes;
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namespace OpenSim.Region.ExtensionsScriptModule.JVMEngine.JVM
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{
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partial class Thread
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{
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private partial class Interpreter
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{
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private Thread m_thread;
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public Interpreter(Thread parentThread)
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{
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m_thread = parentThread;
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}
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public bool Excute()
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{
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bool run = true;
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byte currentOpCode = GlobalMemory.MethodArea.MethodBuffer[this.m_thread.PC++];
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// Console.WriteLine("opCode is: " + currentOpCode);
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bool handled = false;
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handled = this.IsLogicOpCode(currentOpCode);
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if (!handled)
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{
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handled = this.IsMethodOpCode(currentOpCode);
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}
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if (!handled)
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{
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if (currentOpCode == 172)
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{
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if (this.m_thread.stack.StackFrames.Count > 1)
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{
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Console.WriteLine("returning int from function");
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int retPC1 = this.m_thread.m_currentFrame.ReturnPC;
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BaseType bas1 = this.m_thread.m_currentFrame.OpStack.Pop();
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this.m_thread.stack.StackFrames.Pop();
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this.m_thread.m_currentFrame = this.m_thread.stack.StackFrames.Peek();
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this.m_thread.PC = retPC1;
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if (bas1 is Int)
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{
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this.m_thread.m_currentFrame.OpStack.Push((Int)bas1);
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}
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}
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else
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{
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// Console.WriteLine("No parent function so ending program");
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this.m_thread.stack.StackFrames.Pop();
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run = false;
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}
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handled = true;
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}
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if (currentOpCode == 174)
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{
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if (this.m_thread.stack.StackFrames.Count > 1)
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{
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Console.WriteLine("returning float from function");
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int retPC1 = this.m_thread.m_currentFrame.ReturnPC;
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BaseType bas1 = this.m_thread.m_currentFrame.OpStack.Pop();
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this.m_thread.stack.StackFrames.Pop();
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this.m_thread.m_currentFrame = this.m_thread.stack.StackFrames.Peek();
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this.m_thread.PC = retPC1;
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if (bas1 is Float)
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{
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this.m_thread.m_currentFrame.OpStack.Push((Float)bas1);
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}
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}
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else
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{
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// Console.WriteLine("No parent function so ending program");
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this.m_thread.stack.StackFrames.Pop();
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run = false;
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}
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handled = true;
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}
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if (currentOpCode == 177)
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{
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if (this.m_thread.stack.StackFrames.Count > 1)
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{
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Console.WriteLine("returning from function");
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int retPC = this.m_thread.m_currentFrame.ReturnPC;
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this.m_thread.stack.StackFrames.Pop();
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this.m_thread.m_currentFrame = this.m_thread.stack.StackFrames.Peek();
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this.m_thread.PC = retPC;
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}
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else
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{
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// Console.WriteLine("No parent function so ending program");
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this.m_thread.stack.StackFrames.Pop();
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run = false;
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}
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handled = true;
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}
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}
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if (!handled)
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{
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Console.WriteLine("opcode " + currentOpCode + " not been handled ");
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}
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return run;
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}
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}
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}
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}
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