GenProds.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.io.*;

@SuppressWarnings("rawtypes")
public class GenProds extends DepthFirstAdapter {
    private MacroExpander macros;
    private ResolveAstIds ast_ids;
    private File pkgDir;
    private String pkgName;
//  private Map hiddenProds = new TypedTreeMap(
//                              StringComparator.instance,
//                              StringCast.instance,
//                              NodeCast.instance);

    public GenProds(ResolveAstIds ast_ids) {
        this.ast_ids = ast_ids;

        try {
            macros = new MacroExpander(
                    new InputStreamReader(
                            getClass().getResourceAsStream("productions.txt")));
        } catch (IOException e) {
            throw new RuntimeException("unable to open productions.txt.");
        }

        pkgDir = new File(ast_ids.astIds.pkgDir, "node");
        pkgName = ast_ids.astIds.pkgName.equals("") ? "node" : ast_ids.astIds.pkgName + ".node";

        if (!pkgDir.exists()) {
            if (!pkgDir.mkdir()) {
                throw new RuntimeException("Unable to create " + pkgDir.getAbsolutePath());
            }
        }
    }

    @Override
    public void inAAstProd(AAstProd node) {
        String name = (String) ast_ids.ast_names.get(node);

        createProduction(name);
    }

    private void createProduction(String name) {
        BufferedWriter file;

        try {
            file = new BufferedWriter(
                    new FileWriter(
                            new File(pkgDir, name + ".java")));
        } catch (IOException e) {
            throw new RuntimeException("Unable to create " + new File(pkgDir, name + ".java").getAbsolutePath());
        }

        try {
            macros.apply(file, "Production", new String[]{pkgName, name});
        } catch (IOException e) {
            throw new RuntimeException("An error occured while writing to " +
                    new File(pkgDir, name + ".java").getAbsolutePath());
        }

        try {
            file.close();
        } catch (IOException e) {
        }
    }
/*
  private void createAlternative(String name, String macro, String[] arg)
  {
    BufferedWriter file;

    try
    {
      file = new BufferedWriter(
               new FileWriter(
                 new File(pkgDir, name + ".java")));
    }
    catch(IOException e)
    {
      throw new RuntimeException("Unable to create " + new File(pkgDir, name + ".java").getAbsolutePath());
    }

    try
    {
      macros.apply(file, macro, arg);
    }
    catch(IOException e)
    {
      throw new RuntimeException("An error occured while writing to " +
                                 new File(pkgDir, name + ".java").getAbsolutePath());
    }

    try
    {
      file.close();
    }
    catch(IOException e)
    {}
  }
*/
}