/*******************************************************************************
* Copyright (c) 2008 xored software, Inc. 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:
* xored software, Inc. - initial API and Implementation (Alex Panchenko)
*******************************************************************************/
package org.eclipse.dltk.compiler.task;
import org.eclipse.dltk.ast.ASTNode;
import org.eclipse.dltk.ast.ASTVisitor;
import org.eclipse.dltk.ast.declarations.ModuleDeclaration;
import org.eclipse.dltk.ast.expressions.Literal;
import org.eclipse.dltk.core.DLTKCore;
public class TodoTaskAstParser extends TodoTaskRangeParser {
/**
* @param preferences
*/
public TodoTaskAstParser(ITodoTaskPreferences preferences) {
super(preferences);
}
public void initialize(ModuleDeclaration ast) {
reset();
if (ast != null) {
setCheckRanges(true);
final ASTVisitor visitor = new ASTVisitor() {
@Override
public boolean visitGeneral(ASTNode node) throws Exception {
if (isSimpleNode(node)) {
excludeRange(node.sourceStart(), node.sourceEnd());
}
return true;
}
};
try {
ast.traverse(visitor);
} catch (Exception e) {
DLTKCore.error("Unexpected error", e); //$NON-NLS-1$
}
} else {
setCheckRanges(false);
}
}
protected boolean isSimpleNode(ASTNode node) {
return node instanceof Literal;
}
}