Transitions.java

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 * This file is part of SableCC.                             *
 * See the file "LICENSE" for copyright information and the  *
 * terms and conditions for copying, distribution and        *
 * modification of SableCC.                                  *
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

package org.sablecc.sablecc;

import org.sablecc.sablecc.analysis.*;
import org.sablecc.sablecc.node.*;

import java.util.Map;

@SuppressWarnings({"rawtypes", "unchecked"})
public class Transitions extends DepthFirstAdapter {
    public final Map tokenStates = new TypedHashMap(
            NodeCast.instance,
            NoCast.instance);

    private String state;
    private String transition;
    private Map map;

    @Override
    public void caseAStateList(AStateList node) {
        inAStateList(node);
        if (node.getId() != null) {
            node.getId().apply(this);
        }
        if (node.getTransition() != null) {
            node.getTransition().apply(this);
        }

        outAStateList(node);  // We moved this...

        {
            Object temp[] = node.getStateLists().toArray();
            for (int i = 0; i < temp.length; i++) {
                ((PStateListTail) temp[i]).apply(this);
            }
        }
    }

    @Override
    public void inATokenDef(ATokenDef node) {
        map = new TypedTreeMap(
                StringComparator.instance,
                StringCast.instance,
                StringCast.instance);
    }

    @Override
    public void inAStateList(AStateList node) {
        state = transition = node.getId().getText().toUpperCase();
    }

    @Override
    public void inAStateListTail(AStateListTail node) {
        state = transition = node.getId().getText().toUpperCase();
    }

    @Override
    public void outATransition(ATransition node) {
        transition = node.getId().getText().toUpperCase();
    }

    @Override
    public void outAStateList(AStateList node) {
        map.put(state, transition);
    }

    @Override
    public void outAStateListTail(AStateListTail node) {
        map.put(state, transition);
    }

    @Override
    public void outATokenDef(ATokenDef node) {
        tokenStates.put(node, map);
    }
}