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//
// Generated by JTB 1.3.2
//
package kanga.syntaxtree;
import java.util.Enumeration;
import java.util.Vector;
/**
* Represents a single token in the grammar. If the "-tk" option
* is used, also contains a Vector of preceding special tokens.
*/
public class NodeToken implements Node {
public NodeToken(String s) {
this(s, -1, -1, -1, -1, -1); }
public NodeToken(String s, int kind, int beginLine, int beginColumn, int endLine, int endColumn) {
tokenImage = s;
specialTokens = null;
this.kind = kind;
this.beginLine = beginLine;
this.beginColumn = beginColumn;
this.endLine = endLine;
this.endColumn = endColumn;
}
public NodeToken getSpecialAt(int i) {
if ( specialTokens == null )
throw new java.util.NoSuchElementException("No specials in token");
return specialTokens.elementAt(i);
}
public int numSpecials() {
if ( specialTokens == null ) return 0;
return specialTokens.size();
}
public void addSpecial(NodeToken s) {
if ( specialTokens == null ) specialTokens = new Vector<NodeToken>();
specialTokens.addElement(s);
}
public void trimSpecials() {
if ( specialTokens == null ) return;
specialTokens.trimToSize();
}
public String toString() { return tokenImage; }
public String withSpecials() {
if ( specialTokens == null )
return tokenImage;
StringBuffer buf = new StringBuffer();
for ( Enumeration<NodeToken> e = specialTokens.elements(); e.hasMoreElements(); )
buf.append(e.nextElement().toString());
buf.append(tokenImage);
return buf.toString();
}
public void accept(kanga.visitor.Visitor v) {
v.visit(this);
}
public <R,A> R accept(kanga.visitor.GJVisitor<R,A> v, A argu) {
return v.visit(this,argu);
}
public <R> R accept(kanga.visitor.GJNoArguVisitor<R> v) {
return v.visit(this);
}
public <A> void accept(kanga.visitor.GJVoidVisitor<A> v, A argu) {
v.visit(this,argu);
}
public String tokenImage;
// Stores a list of NodeTokens
public Vector<NodeToken> specialTokens;
// -1 for these ints means no position info is available.
public int beginLine, beginColumn, endLine, endColumn;
// Equal to the JavaCC token "kind" integer.
// -1 if not available.
public int kind;
}
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