-/*******************************************************************************
- * Copyright (c) 2000, 2001, 2002 International Business Machines Corp. and others.
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Common Public License v0.5
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/cpl-v05.html
- *
- * Contributors:
- * IBM Corporation - initial API and implementation
- ******************************************************************************/
package net.sourceforge.phpdt.internal.compiler.ast;
-import net.sourceforge.phpdt.internal.compiler.IAbstractSyntaxTreeVisitor;
-import net.sourceforge.phpdt.internal.compiler.codegen.CodeStream;
-import net.sourceforge.phpdt.internal.compiler.lookup.BlockScope;
+import java.util.List;
+import java.util.ArrayList;
+/**
+ * An empty statement.
+ * @author Matthieu Casanova
+ */
public class EmptyStatement extends Statement {
- public EmptyStatement(int startPosition, int endPosition) {
- this.sourceStart = startPosition;
- this.sourceEnd = endPosition;
- }
+ public EmptyStatement(final int sourceStart, final int sourceEnd) {
+ super(sourceStart, sourceEnd);
+ }
- public void generateCode(BlockScope currentScope, CodeStream codeStream){
- // no bytecode, no need to check for reachability or recording source positions
- }
-
- public void traverse(IAbstractSyntaxTreeVisitor visitor, BlockScope scope) {
- visitor.visit(this, scope);
- visitor.endVisit(this, scope);
- }
-
- public String toString(int tab) {
- return tabString(tab) + ";"; //$NON-NLS-1$
- }
-}
+ public String toString(final int tab) {
+ return tabString(tab) + ";"; //$NON-NLS-1$
+ }
+
+ /**
+ * Get the variables from outside (parameters, globals ...)
+ * @return an empty list
+ */
+ public List getOutsideVariable() {
+ return new ArrayList();
+ }
+ /**
+ * get the modified variables.
+ * @return an empty list
+ */
+ public List getModifiedVariable() {
+ return new ArrayList();
+ }
+ /**
+ * Get the variables used.
+ * @return an empty list
+ */
+ public List getUsedVariable() {
+ return new ArrayList();
+ }
+}