/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * 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.*;import java.io.*;public class GenUtils extends DepthFirstAdapter{  private MacroExpander macros;  private ResolveIds ids;  private File pkgDir;  private String pkgName;  private String mainProduction;  public GenUtils(ResolveIds ids)  {    this.ids = ids;    try    {      macros = new MacroExpander(                 new InputStreamReader(                   getClass().getResourceAsStream("utils.txt")));    }    catch(IOException e)    {      throw new RuntimeException("unable to open utils.txt.");    }    pkgDir = new File(ids.pkgDir, "node");    pkgName = ids.pkgName.equals("") ? "node" : ids.pkgName + ".node";    if(!pkgDir.exists())    {      if(!pkgDir.mkdir())      {        throw new RuntimeException("Unable to create " + pkgDir.getAbsolutePath());      }    }  }  public void caseAGrammar(AGrammar node)  {    if(node.getProductions() != null)      node.getProductions().apply(this);  }  public void caseAProd(AProd node)  {    if(mainProduction == null)    {      mainProduction = (String) ids.names.get(node);    }  }  public void outStart(Start node)  {    if(mainProduction != null)    {      createStart();    }    createEOF();    createNode();    createNodeCast();    createToken();    create("Switch");    create("Switchable");    create("TypedLinkedList");    create("Cast");    create("NoCast");  }  public void createStart()  {    BufferedWriter file;    try    {      file = new BufferedWriter(               new FileWriter(                 new File(pkgDir, "Start.java")));    }    catch(IOException e)    {      throw new RuntimeException("Unable to create " + new File(pkgDir, "Start.java").getAbsolutePath());    }    try    {      macros.apply(file, "Start", new String[] {pkgName,                   ids.pkgName.equals("") ? "analysis" : ids.pkgName + ".analysis",                   mainProduction, GenAlts.nodeName(mainProduction)});    }    catch(IOException e)    {      throw new RuntimeException("An error occured while writing to " +                                 new File(pkgDir, "Start.java").getAbsolutePath());    }    try    {      file.close();    }    catch(IOException e)    {}  }  public void createEOF()  {    BufferedWriter file;    try    {      file = new BufferedWriter(               new FileWriter(                 new File(pkgDir, "EOF.java")));    }    catch(IOException e)    {      throw new RuntimeException("Unable to create " + new File(pkgDir, "EOF.java").getAbsolutePath());    }    try    {      macros.apply(file, "EOF", new String[] {pkgName,                                              ids.pkgName.equals("") ? "analysis" : ids.pkgName + ".analysis"});    }    catch(IOException e)    {      throw new RuntimeException("An error occured while writing to " +                                 new File(pkgDir, "EOF.java").getAbsolutePath());    }    try    {      file.close();    }    catch(IOException e)    {}  }  public void createNode()  {    BufferedWriter file;    try    {      file = new BufferedWriter(               new FileWriter(                 new File(pkgDir, "Node.java")));    }    catch(IOException e)    {      throw new RuntimeException("Unable to create " + new File(pkgDir, "Node.java").getAbsolutePath());    }    try    {      macros.apply(file, "Node", new String[] {pkgName,                   ids.pkgName.equals("") ? "analysis" : ids.pkgName + ".analysis"});    }    catch(IOException e)    {      throw new RuntimeException("An error occured while writing to " +                                 new File(pkgDir, "Node.java").getAbsolutePath());    }    try    {      file.close();    }    catch(IOException e)    {}  }  public void createNodeCast()  {    BufferedWriter file;    try    {      file = new BufferedWriter(               new FileWriter(                 new File(pkgDir, "NodeCast.java")));    }    catch(IOException e)    {      throw new RuntimeException("Unable to create " + new File(pkgDir, "NodeCast.java").getAbsolutePath());    }    try    {      macros.apply(file, "NodeCast", new String[] {pkgName});    }    catch(IOException e)    {      throw new RuntimeException("An error occured while writing to " +                                 new File(pkgDir, "NodeCast.java").getAbsolutePath());    }    try    {      file.close();    }    catch(IOException e)    {}  }  public void createToken()  {    BufferedWriter file;    try    {      file = new BufferedWriter(               new FileWriter(                 new File(pkgDir, "Token.java")));    }    catch(IOException e)    {      throw new RuntimeException("Unable to create " + new File(pkgDir, "Token.java").getAbsolutePath());    }    try    {      macros.apply(file, "Token", new String[] {pkgName});    }    catch(IOException e)    {      throw new RuntimeException("An error occured while writing to " +                                 new File(pkgDir, "Token.java").getAbsolutePath());    }    try    {      file.close();    }    catch(IOException e)    {}  }  public void create(String cls)  {    BufferedWriter file;    try    {      file = new BufferedWriter(               new FileWriter(                 new File(pkgDir, cls + ".java")));    }    catch(IOException e)    {      throw new RuntimeException("Unable to create " + new File(pkgDir, cls + ".java").getAbsolutePath());    }    try    {      macros.apply(file, cls, new String[] {pkgName});    }    catch(IOException e)    {      throw new RuntimeException("An error occured while writing to " +                                 new File(pkgDir, cls + ".java").getAbsolutePath());    }    try    {      file.close();    }    catch(IOException e)    {}  }}