/*
* 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 antlr.collections.AST;
import junit.framework.TestCase;
import org.codehaus.groovy.antlr.AntlrASTProcessor;
import org.codehaus.groovy.antlr.SourceBuffer;
import org.codehaus.groovy.antlr.UnicodeEscapingReader;
import org.codehaus.groovy.antlr.AntlrASTProcessSnippets;
import org.codehaus.groovy.antlr.parser.GroovyLexer;
import org.codehaus.groovy.antlr.parser.GroovyRecognizer;
import java.io.StringReader;
/**
* Test that will assert each node of Source AST has a correct line/column info
* given a SourceBuffer
*
* @author Jeremy Rayner
*/
public class LineColumnTest extends TestCase {
public void testSimpleGroovySource() throws Exception {
doStuff("def foo()\n" +
"{ print \"Hello World\" }\n" +
"\n" +
"foo()");
}
public void doStuff(String input) throws Exception {
GroovyRecognizer parser;
SourceBuffer sourceBuffer = new SourceBuffer();
UnicodeEscapingReader unicodeReader = new UnicodeEscapingReader(new StringReader(input), sourceBuffer);
GroovyLexer lexer = new GroovyLexer(unicodeReader);
unicodeReader.setLexer(lexer);
parser = GroovyRecognizer.make(lexer);
parser.setSourceBuffer(sourceBuffer);
String[] tokenNames = parser.getTokenNames();
parser.compilationUnit();
AST ast = parser.getAST();
AntlrASTProcessor snippets = new AntlrASTProcessSnippets();
ast = snippets.process(ast);
Visitor visitor = new LineColumnChecker(sourceBuffer, tokenNames);
AntlrASTProcessor traverser = new SourceCodeTraversal(visitor);
traverser.process(ast);
}
}