/*
* $Id$
*
* Copyright (C) 2003-2015 JNode.org
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; If not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
package org.jnode.vm.compiler.ir.quad;
import org.jnode.vm.classmgr.VmConstString;
import org.jnode.vm.compiler.ir.CodeGenerator;
import org.jnode.vm.compiler.ir.IRBasicBlock;
import org.jnode.vm.compiler.ir.Operand;
import org.jnode.vm.compiler.ir.Variable;
/**
* @author Levente S\u00e1ntha
*/
public class ConstantStringAssignQuad<T> extends AssignQuad <T> {
private Operand[] refs;
private VmConstString constString;
public ConstantStringAssignQuad(int address, IRBasicBlock<T> block, int lhsIndex, VmConstString constString) {
super(address, block, lhsIndex);
refs = new Operand[0];
this.constString = constString;
getLHS().setType(Operand.REFERENCE);
}
public VmConstString getConstString() {
return constString;
}
@Override
public Operand<T> propagate(Variable<T> operand) {
return operand;
}
@Override
public int getLHSLiveAddress() {
return getAddress() + 1;
}
@Override
public Operand<T>[] getReferencedOps() {
return refs;
}
@Override
public void doPass2() {
}
@Override
public void generateCode(CodeGenerator<T> cg) {
cg.generateCodeFor(this);
}
@Override
public String toString() {
return getAddress() + ": " + getLHS().toString() + " = ConstString(" +
constString.getSharedStaticsIndex() + ")";
}
}