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The source code/* * Sun Public License Notice * * The contents of this file are subject to the Sun Public License * Version 1.0 (the "License"). You may not use this file except in * compliance with the License. A copy of the License is available at * http://www.sun.com/ * * The Original Code is NetBeans. The Initial Developer of the Original * Code is Sun Microsystems, Inc. Portions Copyright 1997-2003 Sun * Microsystems, Inc. All Rights Reserved. */ package org.netbeans.modules.javacore.jmiimpl.javamodel; import java.util.*; import org.netbeans.jmi.javamodel.Element; import org.netbeans.jmi.javamodel.Expression; import org.netbeans.jmi.javamodel.ReturnStatement; import org.netbeans.lib.java.parser.ASTree; import org.netbeans.mdr.storagemodel.StorableObject; import org.netbeans.modules.javacore.parser.ASTProvider; /** * * @author mm109185 */ public abstract class ReturnStatementImpl extends StatementImpl implements ReturnStatement { private Expression expression = null; /** Creates a new instance of ReturnStatementImpl */ public ReturnStatementImpl(StorableObject o) { super(o); } public void setExpression(Expression expression) { objectChanged(CHANGED_EXPRESSION); changeChild(getExpression(), expression); this.expression = expression; } public Expression getExpression() { if (!childrenInited) { initChildren(); } return expression; } public List getChildren() { List list = new ArrayList(1); addIfNotNull(list, getExpression()); return list; } protected void initChildren() { childrenInited = false; ASTree tree = getASTree(); if (tree != null) { expression = (Expression) initOrCreate(expression, tree.getSubTrees()[0]); } childrenInited = true; } public String getSourceText() { String origElem; if ((origElem = checkChange()) != null) return origElem; StringBuffer buf = new StringBuffer(); StatementImpl expr = (StatementImpl) getExpression(); buf.append("return"); // NOI18N if (expr != null) { buf.append(' ').append(expr.getSourceText()); } buf.append(';'); return buf.toString(); } public void getDiff(List diff) { ASTProvider parser = getParser(); ASTree tree = getASTree(); ASTree[] children = tree.getSubTrees(); int pos = parser.getToken(tree.getFirstToken()).getEndOffset(); getChildDiff(diff, parser, children[0], (MetadataElement) getExpression(), CHANGED_EXPRESSION, pos, " "); // NOI18N } void setData(Expression expression) { changeChild(null, expression); this.expression = expression; } protected void _delete() { // --- delete components ------------------------------------------- if (childrenInited) { deleteChild(expression); } // --- delete links ----------------------------------------------- // no links to delete // --- call super --------------------------------------- super._delete(); } public void replaceChild(Element oldElement,Element newElement) { if (childrenInited) { if (oldElement.equals(expression)) { setExpression((Expression)newElement); } } } } |
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