ConstructParserGenerationDatas.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 ConstructParserGenerationDatas extends DepthFirstAdapter {
    private ResolveIds ids;
    private int currentAlt;
    //  private boolean processingAst;
    private String currentProd;

    private Map alts;

    public ConstructParserGenerationDatas(ResolveIds ids, Map alts) {
        this.ids = ids;
        this.alts = alts;
    }

    @Override
    public void caseAAst(AAst node) {
    }

    @Override
    public void caseAProd(AProd node) {
        currentProd = (String) ids.names.get(node);
        AAlt[] alts = (AAlt[]) node.getAlts().toArray(new AAlt[0]);
        for (int i = 0; i < alts.length; i++) {
            alts[i].apply(this);
        }
    }

    @Override
    public void caseAAlt(AAlt node) {
        currentAlt = Grammar.addProduction(currentProd, (String) ids.names.get(node));
        alts.put(ids.names.get(node), node);

        AElem[] temp = (AElem[]) node.getElems().toArray(new AElem[0]);
        for (int i = 0; i < temp.length; i++) {
            temp[i].apply(this);
        }
    }

    @Override
    public void caseAElem(AElem node) {
        String name = ResolveIds.name(node.getId().getText());

        if (node.getSpecifier() != null) {
            if (node.getSpecifier() instanceof ATokenSpecifier) {
                ids.elemTypes.put(node, "T" + name);
            } else {
                ids.elemTypes.put(node, "P" + name);
            }
        } else {
            Object token = ids.tokens.get("T" + name);
//      Object production = ids.prods.get("P" + name);

            if (token != null) {
                ids.elemTypes.put(node, "T" + name);
            } else {
                ids.elemTypes.put(node, "P" + name);
            }
        }
        name = (String) ids.elemTypes.get(node);
        Grammar.addSymbolToProduction(name, currentAlt);
    }
}