public void perform()
	{
		TElement cgef, cgea;

		cgef = r0.value();
		cgea = r1.value();

		if( cgef.isConstant() || cgef.isXQualified() )
		{
			setHandlerCode( CONSTANT_CODE );
			popFunction();
		}
		else
		{
			if( cgef.isYQualified() )
			{
				setHandlerCode( RE_EXECUTE_HANDLER );
				if( r1.isActive() )
				{
					if( cgea.isXQualified() )
					{
						writreHandlerLine();
						cgef.makePlain();
						startRestrictedRead();
					}
					else
					{
						push();
					}
				}
				else
				{
					popArgument();
				}
			}
			else
			{
				if( cgef.isPointer() )
				{
					out.print( "<pointer>  " );
//					myDisplay.append( "<pointer>  " );
					if( (r_mode == RESOLUTION_MODE) && !cgef.isHeapRef() )
					{								//	This should handle the situation
						p_stack.push( r0.value() );	//	where the right side in a
						r0.clear();					//	restricted pair is a "normal"
						setHandlerCode( RE_EXECUTE_HANDLER );	//	pointer.
					}								//
					else
					{
						move( m_addr, cgef.value() );
						r0.clear();
						readFromMemory();			
						setHandlerCode( POINTER_CODE );
					}
				}
				else
				{
					setHandlerCode( cgef );
					out.print( cgef.primitive() + "  " );
//					myDisplay.append( cgef.primitive() + "  " );
					if( !isBinaryOp() )
					{
						if( cgef.opCode() != NULL_SERVICE )
						{
							writreHandlerLine();
						}
						switch( cgef.opCode() )
						{
							case A_SERVICE:
								handle_A();
								break;

							case B_SERVICE:
								handle_B();
								break;

							case C_SERVICE:
								handle_C();
								break;

							case D_SERVICE:
								handle_D();
								break;

							case E_SERVICE:
								handle_E();
								break;

							case F_SERVICE:
								handle_F();
								break;

							case G_SERVICE:
								handle_G();
								break;

							case H_SERVICE:
								handle_H();
								break;

							case I_SERVICE:
								handle_I();
								break;

							case J_SERVICE:
								handle_J();
								break;

							case K_SERVICE:
								handle_K();
								break;

							case NULL_SERVICE:
								popFunction();
								break;
						}
					}
				}
			}
		}
	}