org.sonar.java.ast.parser.JavaParser Maven / Gradle / Ivy
/*
* SonarQube Java
* Copyright (C) 2012 SonarSource
* [email protected]
*
* 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.java.ast.parser;
import com.sonar.sslr.api.typed.ActionParser;
import org.sonar.java.model.JavaTree;
import org.sonar.plugins.java.api.tree.Tree;
import org.sonar.sslr.grammar.LexerlessGrammarBuilder;
import java.io.File;
import java.nio.charset.Charset;
import java.util.Iterator;
public class JavaParser extends ActionParser {
private JavaParser(Charset charset, LexerlessGrammarBuilder grammarBuilder, Class javaGrammarClass,
TreeFactory treeFactory, JavaNodeBuilder javaNodeBuilder, JavaLexer compilationUnit) {
super(charset, grammarBuilder, javaGrammarClass, treeFactory, javaNodeBuilder, compilationUnit);
}
public static ActionParser createParser(Charset charset) {
return new JavaParser(
charset,
JavaLexer.createGrammarBuilder(),
JavaGrammar.class,
new TreeFactory(),
new JavaNodeBuilder(),
JavaLexer.COMPILATION_UNIT);
}
@Override
public Tree parse(File file) {
return createParentLink((JavaTree) super.parse(file));
}
@Override
public Tree parse(String source) {
return createParentLink((JavaTree) super.parse(source));
}
private static Tree createParentLink(JavaTree parent) {
if (!parent.isLeaf()) {
for (Iterator iter = parent.childrenIterator(); iter.hasNext();) {
JavaTree next = (JavaTree) iter.next();
if (next != null) {
next.setParent(parent);
createParentLink(next);
}
}
}
return parent;
}
}