/*
* STANDARD ML OF NEW JERSEY COPYRIGHT NOTICE, LICENSE AND DISCLAIMER.
*
* Copyright (c) 1989-1998 by Lucent Technologies
*
* Permission to use, copy, modify, and distribute this software and its
* documentation for any purpose and without fee is hereby granted, provided
* that the above copyright notice appear in all copies and that both the
* copyright notice and this permission notice and warranty disclaimer appear
* in supporting documentation, and that the name of Lucent Technologies, Bell
* Labs or any Lucent entity not be used in advertising or publicity pertaining
* to distribution of the software without specific, written prior permission.
*
* Lucent disclaims all warranties with regard to this software, including all
* implied warranties of merchantability and fitness. In no event shall Lucent
* be liable for any special, indirect or consequential damages or any damages
* whatsoever resulting from loss of use, data or profits, whether in an action
* of contract, negligence or other tortious action, arising out of or in
* connection with the use or performance of this software.
*
* Taken from this URL:
* http://www.smlnj.org/license.html
*
* This license is compatible with the GNU GPL (see section "Standard ML of New
* Jersey Copyright License"):
* http://www.gnu.org/licenses/license-list.html#StandardMLofNJ
*/
/*
* Copyright 1996-1999 by Scott Hudson, Frank Flannery, C. Scott Ananian
*/
package weka.core.parser.java_cup.runtime;
/**
* Default Implementation for SymbolFactory, creates
* plain old Symbols
*
* @version last updated 27-03-2006
* @author Michael Petter
*/
/* *************************************************
class DefaultSymbolFactory
interface for creating new symbols
***************************************************/
public class ComplexSymbolFactory implements SymbolFactory{
public static class Location {
private String unit="unknown";
private int line, column;
public Location(String unit, int line, int column){
this.unit=unit;
this.line=line;
this.column=column;
}
public Location(int line, int column){
this.line=line;
this.column=column;
}
public String toString(){
return unit+":"+line+"/"+column;
}
public int getColumn(){
return column;
}
public int getLine(){
return line;
}
public String getUnit(){
return unit;
}
}
/**
* ComplexSymbol with detailed Location Informations and a Name
*/
public static class ComplexSymbol extends Symbol {
protected String name;
protected Location xleft,xright;
public ComplexSymbol(String name, int id) {
super(id);
this.name=name;
}
public ComplexSymbol(String name, int id, Object value) {
super(id,value);
this.name=name;
}
public String toString(){
if (xleft==null || xright==null) return "Symbol: "+name;
return "Symbol: "+name+" ("+xleft+" - "+xright+")";
}
public ComplexSymbol(String name, int id, int state) {
super(id,state);
this.name=name;
}
public ComplexSymbol(String name, int id, Symbol left, Symbol right) {
super(id,left,right);
this.name=name;
if (left!=null) this.xleft = ((ComplexSymbol)left).xleft;
if (right!=null) this.xright= ((ComplexSymbol)right).xright;
}
public ComplexSymbol(String name, int id, Location left, Location right) {
super(id);
this.name=name;
this.xleft=left;
this.xright=right;
}
public ComplexSymbol(String name, int id, Symbol left, Symbol right, Object value) {
super(id,value);
this.name=name;
if (left!=null) this.xleft = ((ComplexSymbol)left).xleft;
if (right!=null) this.xright= ((ComplexSymbol)right).xright;
}
public ComplexSymbol(String name, int id, Location left, Location right, Object value) {
super(id,value);
this.name=name;
this.xleft=left;
this.xright=right;
}
public Location getLeft(){
return xleft;
}
public Location getRight(){
return xright;
}
}
// Factory methods
public Symbol newSymbol(String name, int id, Location left, Location right, Object value){
return new ComplexSymbol(name,id,left,right,value);
}
public Symbol newSymbol(String name, int id, Location left, Location right){
return new ComplexSymbol(name,id,left,right);
}
public Symbol newSymbol(String name, int id, Symbol left, Symbol right, Object value){
return new ComplexSymbol(name,id,left,right,value);
}
public Symbol newSymbol(String name, int id, Symbol left, Symbol right){
return new ComplexSymbol(name,id,left,right);
}
public Symbol newSymbol(String name, int id){
return new ComplexSymbol(name,id);
}
public Symbol newSymbol(String name, int id, Object value){
return new ComplexSymbol(name,id,value);
}
public Symbol startSymbol(String name, int id, int state){
return new ComplexSymbol(name,id,state);
}
}