/*
* Sonar Objective-C Plugin
* Copyright (C) 2012 OCTO Technology
* dev@sonar.codehaus.org
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02
*/
package org.sonar.objectivec.lexer;
import static com.sonar.sslr.api.GenericTokenType.LITERAL;
import static com.sonar.sslr.impl.channel.RegexpChannelBuilder.commentRegexp;
import static com.sonar.sslr.impl.channel.RegexpChannelBuilder.regexp;
import org.sonar.objectivec.ObjectiveCConfiguration;
import com.sonar.sslr.impl.Lexer;
import com.sonar.sslr.impl.channel.BlackHoleChannel;
public class ObjectiveCLexer {
private ObjectiveCLexer() {
}
public static Lexer create() {
return create(new ObjectiveCConfiguration());
}
public static Lexer create(ObjectiveCConfiguration conf) {
return Lexer.builder()
.withCharset(conf.getCharset())
.withFailIfNoChannelToConsumeOneCharacter(false)
// Comments
.withChannel(commentRegexp("//[^\\n\\r]*+"))
.withChannel(commentRegexp("/\\*[\\s\\S]*?\\*/"))
// All other tokens
.withChannel(regexp(LITERAL, "[^\r\n\\s/]+"))
.withChannel(new BlackHoleChannel("[\\s]"))
.build();
}
}