home | career | drupal | java | mac | mysql | perl | scala | uml | unix

Groovy example source code file (UnicodeLexerSharedInputState.java)

This example Groovy source code file (UnicodeLexerSharedInputState.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Groovy tags/keywords

lexersharedinputstate, lexersharedinputstate, override, override, unicodeescapingreader, unicodeescapingreader, unicodelexersharedinputstate, unicodelexersharedinputstate

The Groovy UnicodeLexerSharedInputState.java source code

/*
 * Copyright 2011 the original author or authors.
 *
 * Licensed 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;

import antlr.LexerSharedInputState;

/**
 * GRECLIPSE-805 Support for unicode escape sequences
 * @author Andrew Eisenberg
 */
public class UnicodeLexerSharedInputState extends LexerSharedInputState {
    private final UnicodeEscapingReader escapingReader;

    private int prevUnescape;

    public UnicodeLexerSharedInputState(UnicodeEscapingReader in) {
        super(in);
        escapingReader = in; 
    }

    @Override
    public int getColumn() {
        prevUnescape = escapingReader.getUnescapedUnicodeColumnCount();
        return super.getColumn() + prevUnescape;
    }

    @Override
    public int getTokenStartColumn() {
        if (line == tokenStartLine) {
            return super.getTokenStartColumn() + escapingReader.getUnescapedUnicodeColumnCount();
        } else {
            return super.getTokenStartColumn() + prevUnescape;
        }
    }
}

Other Groovy examples (source code examples)

Here is a short list of links related to this Groovy UnicodeLexerSharedInputState.java source code file:

new blog posts

 

Copyright 1998-2013 Alvin Alexander, alvinalexander.com
All Rights Reserved.