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/*
* Copyright (C) 2007 Júlio Vilmar Gesser.
*
* This file is part of Java 1.5 parser and Abstract Syntax Tree.
*
* Java 1.5 parser and Abstract Syntax Tree 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.
*
* Java 1.5 parser and Abstract Syntax Tree 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 Java 1.5 parser and Abstract Syntax Tree. If not, see <http://www.gnu.org/licenses/>.
*/
/*
* Created on 05/10/2006
*/
package japa.parser.ast;
import japa.parser.ast.visitor.DumpVisitor;
import japa.parser.ast.visitor.GenericVisitor;
import japa.parser.ast.visitor.VoidVisitor;
/**
* Abstract class for all nodes of the AST.
*
* @author Julio Vilmar Gesser
*/
public abstract class Node {
private int beginLine;
private int beginColumn;
private int endLine;
private int endColumn;
/**
* This attribute can store additional information from semantic analysis.
*/
private Object data;
public Node() {
}
public Node(int beginLine, int beginColumn, int endLine, int endColumn) {
this.beginLine = beginLine;
this.beginColumn = beginColumn;
this.endLine = endLine;
this.endColumn = endColumn;
}
/**
* Accept method for visitor support.
*
* @param <R>
* the type the return value of the visitor
* @param <A>
* the type the argument passed for the visitor
* @param v
* the visitor implementation
* @param arg
* any value relevant for the visitor
* @return the result of the visit
*/
public abstract <R, A> R accept(GenericVisitor<R, A> v, A arg);
/**
* Accept method for visitor support.
*
* @param <A>
* the type the argument passed for the visitor
* @param v
* the visitor implementation
* @param arg
* any value relevant for the visitor
*/
public abstract <A> void accept(VoidVisitor<A> v, A arg);
/**
* Return the begin column of this node.
*
* @return the begin column of this node
*/
public final int getBeginColumn() {
return beginColumn;
}
/**
* Return the begin line of this node.
*
* @return the begin line of this node
*/
public final int getBeginLine() {
return beginLine;
}
/**
* Use this to retrieve additional information associated to this node.
*/
public final Object getData() {
return data;
}
/**
* Return the end column of this node.
*
* @return the end column of this node
*/
public final int getEndColumn() {
return endColumn;
}
/**
* Return the end line of this node.
*
* @return the end line of this node
*/
public final int getEndLine() {
return endLine;
}
/**
* Sets the begin column of this node.
*
* @param beginColumn
* the begin column of this node
*/
public final void setBeginColumn(int beginColumn) {
this.beginColumn = beginColumn;
}
/**
* Sets the begin line of this node.
*
* @param beginLine
* the begin line of this node
*/
public final void setBeginLine(int beginLine) {
this.beginLine = beginLine;
}
/**
* Use this to store additional information to this node.
*/
public final void setData(Object data) {
this.data = data;
}
/**
* Sets the end column of this node.
*
* @param endColumn
* the end column of this node
*/
public final void setEndColumn(int endColumn) {
this.endColumn = endColumn;
}
/**
* Sets the end line of this node.
*
* @param endLine
* the end line of this node
*/
public final void setEndLine(int endLine) {
this.endLine = endLine;
}
/**
* Return the String representation of this node.
*
* @return the String representation of this node
*/
@Override
public final String toString() {
DumpVisitor visitor = new DumpVisitor();
accept(visitor, null);
return visitor.getSource();
}
}
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