/*
* Copyright 2008-2009 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code 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 General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* have any questions.
*/
package org.visage.tools.tree;
import org.visage.api.tree.*;
import org.visage.api.tree.Tree.VisageKind;
import com.sun.tools.mjavac.code.Symbol;
/**
* An assignment with "+=", "|=" ...
*/
public class VisageAssignOp extends VisageExpression implements CompoundAssignmentTree {
private VisageTag opcode;
public VisageExpression lhs;
public VisageExpression rhs;
public Symbol operator;
protected VisageAssignOp(VisageTag opcode, VisageExpression lhs, VisageExpression rhs, Symbol operator) {
this.opcode = opcode;
this.lhs = (VisageExpression) lhs;
this.rhs = (VisageExpression) rhs;
this.operator = operator;
}
@Override
public void accept(VisageVisitor v) {
v.visitAssignop(this);
}
public VisageKind getVisageKind() {
return VisageTreeInfo.tagToKind(getVisageTag());
}
public VisageExpression getVariable() {
return lhs;
}
public VisageExpression getExpression() {
return rhs;
}
public Symbol getOperator() {
return operator;
}
//@Override
public <R, D> R accept(VisageTreeVisitor<R, D> v, D d) {
return v.visitCompoundAssignment(this, d);
}
@Override
public VisageTag getVisageTag() {
return opcode;
}
public VisageTag getNormalOperatorVisageTag() {
switch (opcode) {
case PLUS_ASG:
return VisageTag.PLUS;
case MINUS_ASG:
return VisageTag.MINUS;
case MUL_ASG:
return VisageTag.MUL;
case DIV_ASG:
return VisageTag.DIV;
default:
throw new RuntimeException("bad assign op tag: " + opcode);
}
}
public int getOperatorTag() {
return opcode.asOperatorTag();
}
}