com.github.uscexp.grappa.extension.parser.peg.AstORTreeNode Maven / Gradle / Ivy

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Extension for parboiled/grappa parser.

There is a newer version: 0.4.0-Beta

/*
 * Copyright (C) 2014 by haui - all rights reserved
 */
package com.github.uscexp.grappa.extension.parser.peg;

import org.parboiled.Node;

/**
 * Command implementation for the PegParser rule: OR.
 */
public class AstORTreeNode extends AstPegBaseTreeNode {

	public static final String FIRST_OF = "firstOf";

	public AstORTreeNode(Node node, String value) {
		super(node, value);
	}

	@Override
	protected void interpret(Long id)
		throws ReflectiveOperationException {
		super.interpret(id);
		
		if(openProcessStore.getStack().isEmpty() || !FIRST_OF.equals(openProcessStore.getStack().peek())) {
			openProcessStore.getStack().push(FIRST_OF);
		}
		closeProcessStore.getStack().push(AstSequenceTreeNode.START_SEQUENCE);
	}

}