/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.codehaus.groovy.antlr.treewalker;
import org.codehaus.groovy.antlr.GroovySourceAST;
import org.codehaus.groovy.antlr.LineColumn;
import org.codehaus.groovy.antlr.SourceBuffer;
/**
* Source AST Visitor that will assert each node has a correct line/column info
* given a SourceBuffer
*
* @author Jeremy Rayner
*/
public class LineColumnChecker extends VisitorAdapter {
private SourceBuffer sourceBuffer;
private String[] tokenNames;
public LineColumnChecker(SourceBuffer sourceBuffer, String[] tokenNames) {
this.sourceBuffer = sourceBuffer;
this.tokenNames = tokenNames;
}
public void visitDefault(GroovySourceAST t,int visit) {
if (visit == OPENING_VISIT ) {
System.out.println("[" + tokenNames[t.getType()] + "]");
int line = t.getLine();
int column = t.getColumn();
int lineLast = t.getLineLast();
int columnLast = t.getColumnLast();
System.out.println("" + line + " / " + column + " - " + lineLast + " / " + columnLast);
if (line > 0 && column > 0 && lineLast > 0 && columnLast > 0) {
System.out.println("" + sourceBuffer.getSnippet(new LineColumn(line, column), new LineColumn(lineLast, columnLast)));
} else {
System.out.println("ZERO");
}
} else if (visit == CLOSING_VISIT) {
System.out.println();
}
}
}