istore_3.java~1~

Java源码

package AM.vm_impl.instruction;

import AM.am_data_structure.Instruction;
import AM.am_data_structure.AbstractMachineState;
import AM.vm_impl.util.Tracer;
import AM.vm_impl.vm_data_structure.VM_DataArea;
import AM.vm_impl.vm_data_structure.VM_Program;


/**
 * Created by IntelliJ IDEA. User: yellowicq Date: 2004-4-27 Time: 23:25:25
 * To change this template use File | Settings | File Templates.
 */
public class ISTORE_2
    implements Instruction {
    public ISTORE_2() { }

    public String Name() {
        return "istore_2";
    }

    public int NumArguments() {
        return 0;
    }

    public String ToString() {
        return Name();
    }

    public void SI(AbstractMachineState state) {
        Tracer.debug("SI istore_2");
        VM_DataArea VM_da = (VM_DataArea)state.getDataArea();
        VM_Program VM_prog = (VM_Program)state.getProgram();
        // Implementation of allocate semantics
        int tmp1 = ((Integer)VM_da.stackFrame.pop()).intValue();
        VM_da.stackFrame.setLocalEntry(2, new Integer(tmp1));
        //move the cp pointer to next
        synchronized(this) {
            VM_prog.Next();
            VM_da.regs.setCP_GLOBAL(VM_prog.Consult_CP());
        }
    }

    public void Process(String args[]) {
        // Proces the text representation of the instruction
    }
}