/**

* miniJava Abstract Syntax Tree classes

* @author prins

* @version COMP 520 (v2.2)

*/

package miniJava.AbstractSyntaxTrees;

import miniJava.SyntacticAnalyzer.SourcePosition;

public abstract class AST {

TypeDenoter type = null;

public AST(SourcePosition posn) {

this.posn = posn;

if (posn == null) {

this.posn = new SourcePosition();

}

}

public String toString() {

String fullClassName = this.getClass().getName();

String cn = fullClassName.substring(1 + fullClassName.lastIndexOf('.'));

if (ASTDisplay.showPosition)

cn = cn + " " + posn.toString();

return cn;

}

public abstract <A, R> R visit(Visitor<A, R> v, A o);

public SourcePosition posn;

}