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37 lines
932 B
37 lines
932 B
5 years ago
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package com.fr.third.antlr;
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/* ANTLR Translator Generator
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* Project led by Terence Parr at http://www.cs.usfca.edu
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* Software rights: http://www.antlr.org/license.html
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*
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* $Id: //depot/code/org.antlr/release/antlr-2.7.7/antlr/TreeElement.java#2 $
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*/
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/** A TreeElement is a block with one alternative and a root node */
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class TreeElement extends AlternativeBlock {
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GrammarAtom root;
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public TreeElement(Grammar g, Token start) {
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super(g, start, false);
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}
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public void generate() {
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grammar.generator.gen(this);
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}
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public Lookahead look(int k) {
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return grammar.theLLkAnalyzer.look(k, this);
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}
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public String toString() {
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String s = " #(" + root;
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Alternative a = (Alternative)alternatives.elementAt(0);
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AlternativeElement p = a.head;
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while (p != null) {
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s += p;
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p = p.next;
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}
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return s + " )";
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}
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}
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