/******************************************************************************* | |
* Copyright (c) 2000, 2004 IBM Corporation and others. | |
* All rights reserved. This program and the accompanying materials | |
* are made available under the terms of the Common Public License v1.0 | |
* which accompanies this distribution, and is available at | |
* http://www.eclipse.org/legal/cpl-v10.html | |
* | |
* Contributors: | |
* IBM Corporation - initial API and implementation | |
*******************************************************************************/ | |
package org.eclipse.wst.jsdt.internal.compiler.ast; | |
import org.eclipse.wst.jsdt.internal.compiler.ASTVisitor; | |
import org.eclipse.wst.jsdt.internal.compiler.lookup.*; | |
public class PrefixExpression extends CompoundAssignment { | |
/** | |
* PrefixExpression constructor comment. | |
* @param l org.eclipse.wst.jsdt.internal.compiler.ast.Expression | |
* @param e org.eclipse.wst.jsdt.internal.compiler.ast.Expression | |
* @param op int | |
*/ | |
public PrefixExpression(Expression l, Expression e, int op, int pos) { | |
super(l, e, op, l.sourceEnd); | |
this.sourceStart = pos; | |
this.sourceEnd = l.sourceEnd; | |
} | |
public String operatorToString() { | |
switch (operator) { | |
case PLUS : | |
return "++"; //$NON-NLS-1$ | |
case MINUS : | |
return "--"; //$NON-NLS-1$ | |
} | |
return "unknown operator"; //$NON-NLS-1$ | |
} | |
public StringBuffer printExpressionNoParenthesis(int indent, StringBuffer output) { | |
output.append(operatorToString()).append(' '); | |
return lhs.printExpression(0, output); | |
} | |
public boolean restrainUsageToNumericTypes() { | |
return true; | |
} | |
public void traverse(ASTVisitor visitor, BlockScope scope) { | |
if (visitor.visit(this, scope)) { | |
lhs.traverse(visitor, scope); | |
} | |
visitor.endVisit(this, scope); | |
} | |
} |