| /******************************************************************************* |
| * Copyright (c) 2000, 2011 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jdt.internal.corext.refactoring.code; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.eclipse.jdt.core.dom.ITypeBinding; |
| import org.eclipse.jdt.core.dom.SimpleName; |
| import org.eclipse.jdt.core.dom.SingleVariableDeclaration; |
| |
| import org.eclipse.jdt.internal.corext.refactoring.code.flow.FlowInfo; |
| |
| /* package */ class ParameterData { |
| |
| public static final String PROPERTY= ParameterData.class.getName(); |
| |
| private SingleVariableDeclaration fDeclaration; |
| private int fAccessMode; |
| private List<SimpleName> fReferences; |
| private int fOperatorPrecedence; |
| |
| public ParameterData(SingleVariableDeclaration decl) { |
| super(); |
| fDeclaration= decl; |
| fAccessMode= FlowInfo.UNUSED; |
| fReferences= new ArrayList<SimpleName>(2); |
| fOperatorPrecedence= -1; |
| } |
| |
| public String getName() { |
| return fDeclaration.getName().getIdentifier(); |
| } |
| |
| public ITypeBinding getTypeBinding() { |
| return fDeclaration.resolveBinding().getType(); |
| } |
| |
| public void addReference(SimpleName node) { |
| fReferences.add(node); |
| } |
| |
| public List<SimpleName> references() { |
| return fReferences; |
| } |
| |
| public void setAccessMode(int mode) { |
| fAccessMode= mode; |
| } |
| |
| public boolean isUnused() { |
| return fAccessMode == FlowInfo.UNUSED; |
| } |
| |
| public boolean isReadOnly() { |
| return (fAccessMode & (FlowInfo.READ | FlowInfo.READ_POTENTIAL)) != 0; |
| } |
| |
| public boolean isWrite() { |
| return (fAccessMode & (FlowInfo.WRITE | FlowInfo.WRITE_POTENTIAL | FlowInfo.UNKNOWN)) != 0; |
| } |
| |
| public int getSimplifiedAccessMode() { |
| if (isWrite()) |
| return FlowInfo.WRITE; |
| if (isReadOnly()) |
| return FlowInfo.READ; |
| return FlowInfo.UNUSED; |
| } |
| |
| public int getNumberOfAccesses() { |
| return fReferences.size(); |
| } |
| |
| public boolean needsEvaluation() { |
| if (fReferences.size() <= 1) |
| return false; |
| return true; |
| } |
| |
| public void setOperatorPrecedence(int newValue) { |
| if (newValue == -1) { |
| fOperatorPrecedence= newValue; |
| } else if (fOperatorPrecedence == -1) { |
| fOperatorPrecedence= newValue; |
| } else { |
| fOperatorPrecedence= Math.min(fOperatorPrecedence, newValue); |
| } |
| } |
| |
| public int getOperatorPrecedence() { |
| return fOperatorPrecedence; |
| } |
| } |