OpenSim-Test/OpenSim/Region/ExtensionsScriptModule/Engines/JVMEngine/JVM/Interpreter.Methods.cs

/*
 * Copyright (c) Contributors, http://opensimulator.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;
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 * 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.
 */

namespace OpenSim.Region.ExtensionsScriptModule.JVMEngine.JVM
{
    partial class Thread
    {
        private partial class Interpreter
        {
            private bool IsMethodOpCode(byte opcode)
            {
                bool result = false;
                switch (opcode)
                {
                    case 184:
                        short refIndex =
                            (short)
                            ((GlobalMemory.MethodArea.MethodBuffer[m_thread.PC] << 8) +
                             GlobalMemory.MethodArea.MethodBuffer[m_thread.PC + 1]);
                        if (m_thread.currentClass.m_constantsPool[refIndex - 1] is ClassRecord.PoolMethodRef)
                        {
                            string typ =
                                ((ClassRecord.PoolMethodRef) m_thread.currentClass.m_constantsPool[refIndex - 1]).
                                    mNameType.Type.Value;
                            string typeparam = System.String.Empty;
                            string typereturn = System.String.Empty;
                            int firstbrak = 0;
                            int secondbrak = 0;
                            firstbrak = typ.LastIndexOf('(');
                            secondbrak = typ.LastIndexOf(')');
                            typeparam = typ.Substring(firstbrak + 1, secondbrak - firstbrak - 1);
                            typereturn = typ.Substring(secondbrak + 1, typ.Length - secondbrak - 1);
                            if (
                                ((ClassRecord.PoolMethodRef) m_thread.currentClass.m_constantsPool[refIndex - 1]).mClass
                                    .Name.Value == m_thread.currentClass.MClass.Name.Value)
                            {
                                //calling a method in this class
                                if (typeparam.Length == 0)
                                {
                                    m_thread.JumpToStaticVoidMethod(
                                        ((ClassRecord.PoolMethodRef) m_thread.currentClass.m_constantsPool[refIndex - 1])
                                            .mNameType.Name.Value, (m_thread.PC + 2));
                                }
                                else
                                {
                                    m_thread.JumpToStaticParamMethod(
                                        ((ClassRecord.PoolMethodRef) m_thread.currentClass.m_constantsPool[refIndex - 1])
                                            .mNameType.Name.Value, typeparam, (m_thread.PC + 2));
                                }
                            }
                            else
                            {
                                //calling a method of a different class

                                // OpenSimAPI Class
                                if (
                                    ((ClassRecord.PoolMethodRef) m_thread.currentClass.m_constantsPool[refIndex - 1]).
                                        mClass.Name.Value == "OpenSimAPI")
                                {
                                    m_thread.scriptInfo.api.CallMethod(
                                        ((ClassRecord.PoolMethodRef) m_thread.currentClass.m_constantsPool[refIndex - 1])
                                            .mNameType.Name.Value, null);
                                }
                            }
                        }
                        else
                        {
                            m_thread.PC += 2;
                        }
                        result = true;
                        break;
                }

                return result;
            }
        }
    }
}