/******************************************************************************* * 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.jdt.internal.compiler.ast; import org.eclipse.jdt.internal.compiler.ASTVisitor; import org.eclipse.jdt.internal.compiler.codegen.*; import org.eclipse.jdt.internal.compiler.lookup.*; public class PostfixExpression extends CompoundAssignment { public PostfixExpression(Expression l, Expression e, int op, int pos) { super(l, e, op, pos); this.sourceStart = l.sourceStart; this.sourceEnd = pos; } /** * Code generation for PostfixExpression * * @param currentScope org.eclipse.jdt.internal.compiler.lookup.BlockScope * @param codeStream org.eclipse.jdt.internal.compiler.codegen.CodeStream * @param valueRequired boolean */ public void generateCode( BlockScope currentScope, CodeStream codeStream, boolean valueRequired) { // various scenarii are possible, setting an array reference, // a field reference, a blank final field reference, a field of an enclosing instance or // just a local variable. int pc = codeStream.position; ((Reference) lhs).generatePostIncrement(currentScope, codeStream, this, valueRequired); if (valueRequired) { codeStream.generateImplicitConversion(implicitConversion); } codeStream.recordPositionsFrom(pc, this.sourceStart); } 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) { return lhs.printExpression(indent, output).append(' ').append(operatorToString()); } 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); } }