| /** |
| * Copyright (c) 2009 Borland Software Corp. |
| * |
| * 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: |
| * Alexander Shatalin (Borland) - initial API and implementation |
| */ |
| package org.eclipse.gmf.internal.xpand.ast; |
| |
| import org.eclipse.gmf.internal.xpand.model.XpandAdvice; |
| import org.eclipse.gmf.internal.xpand.model.XpandDefinition; |
| |
| public class AstIterator { |
| |
| private AstVisitor myVisitor; |
| |
| AstIterator(AstVisitor visitor) { |
| myVisitor = visitor; |
| } |
| |
| public void iterate(Template template) { |
| if (!myVisitor.visit(template)) { |
| return; |
| } |
| for (XpandDefinition definition : template.getDefinitions()) { |
| iterate(definition); |
| } |
| |
| for (XpandAdvice advice : template.getAdvices()) { |
| iterate(advice); |
| } |
| } |
| |
| public void iterate(XpandDefinition definition) { |
| if (!myVisitor.visit(definition)) { |
| return; |
| } |
| if (definition instanceof AbstractDefinition) { |
| iterate(((AbstractDefinition) definition).getBody()); |
| } |
| } |
| |
| public void iterate(XpandAdvice advice) { |
| if (!myVisitor.visit(advice)) { |
| return; |
| } |
| if (advice instanceof AbstractDefinition) { |
| iterate(((AbstractDefinition) advice).getBody()); |
| } |
| } |
| |
| public void iterate(Statement[] body) { |
| for (Statement statement : body) { |
| if (statement instanceof ErrorStatement) { |
| iterate((ErrorStatement) statement); |
| } else if (statement instanceof ExpandStatement) { |
| iterate((ExpandStatement) statement); |
| } else if (statement instanceof ExpressionStatement) { |
| iterate((ExpressionStatement) statement); |
| } else if (statement instanceof FileStatement) { |
| iterate((FileStatement) statement); |
| } else if (statement instanceof ForEachStatement) { |
| iterate((ForEachStatement) statement); |
| } else if (statement instanceof IfStatement) { |
| iterate((IfStatement) statement); |
| } else if (statement instanceof LetStatement) { |
| iterate((LetStatement) statement); |
| } else if (statement instanceof ProtectStatement) { |
| iterate((ProtectStatement) statement); |
| } else if (statement instanceof TextStatement) { |
| iterate((TextStatement) statement); |
| } else { |
| iterate(statement); |
| } |
| } |
| } |
| |
| public void iterate(Statement statement) { |
| myVisitor.visit(statement); |
| } |
| |
| public void iterate(TextStatement statement) { |
| myVisitor.visit(statement); |
| } |
| |
| public void iterate(ProtectStatement statement) { |
| if (!myVisitor.visit(statement)) { |
| return; |
| } |
| iterate(statement.getBody()); |
| } |
| |
| public void iterate(LetStatement statement) { |
| if (!myVisitor.visit(statement)) { |
| return; |
| } |
| iterate(statement.getBody()); |
| } |
| |
| public void iterate(IfStatement statement) { |
| if (!myVisitor.visit(statement)) { |
| return; |
| } |
| iterate(statement.getThenPart()); |
| if (statement.getElseIf() != null) { |
| iterate(statement.getElseIf()); |
| } |
| } |
| |
| public void iterate(ForEachStatement statement) { |
| if (!myVisitor.visit(statement)) { |
| return; |
| } |
| iterate(statement.getBody()); |
| } |
| |
| public void iterate(FileStatement statement) { |
| if (!myVisitor.visit(statement)) { |
| return; |
| } |
| iterate(statement.getBody()); |
| } |
| |
| public void iterate(ExpressionStatement statement) { |
| myVisitor.visit(statement); |
| } |
| |
| public void iterate(ExpandStatement statement) { |
| myVisitor.visit(statement); |
| } |
| |
| public void iterate(ErrorStatement statement) { |
| myVisitor.visit(statement); |
| } |
| |
| } |