/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * 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 GenProds extends DepthFirstAdapter{  private MacroExpander macros;  private ResolveIds ids;  private File pkgDir;  private String pkgName;  private Map hiddenProds = new TypedTreeMap(                              StringComparator.instance,                              StringCast.instance,                              NodeCast.instance);  public GenProds(ResolveIds ids)  {    this.ids = 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(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 inAProd(AProd node)  {    String name = (String) ids.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)    {}  }  public void inAStarUnOp(AStarUnOp node)  {    if(node.parent() instanceof AElem)    {      AElem elem = (AElem) node.parent();      String name = (String) ids.elemTypes.get(elem);      if(hiddenProds.put("X" + name, elem) == null)      {        createProduction("X" + name);        createAlternative(          "X1" + name,          "HiddenAlternative2",          new String[] {pkgName,                        ids.pkgName.equals("") ? "analysis" : ids.pkgName + ".analysis",                        "X1" + name,                        "X" + name,                        name,                        GenAlts.nodeName(name),                        GenAlts.nodeName("X" + name)});        createAlternative(          "X2" + name,          "HiddenAlternative1",          new String[] {pkgName,                        ids.pkgName.equals("") ? "analysis" : ids.pkgName + ".analysis",                        "X2" + name,                        "X" + name,                        name,                        GenAlts.nodeName(name)});      }    }  }  public void inAPlusUnOp(APlusUnOp node)  {    if(node.parent() instanceof AElem)    {      AElem elem = (AElem) node.parent();      String name = (String) ids.elemTypes.get(elem);      if(hiddenProds.put("X" + name, elem) == null)      {        createProduction("X" + name);        createAlternative(          "X1" + name,          "HiddenAlternative2",          new String[] {pkgName,                        ids.pkgName.equals("") ? "analysis" : ids.pkgName + ".analysis",                        "X1" + name,                        "X" + name,                        name,                        GenAlts.nodeName(name),                        GenAlts.nodeName("X" + name)});        createAlternative(          "X2" + name,          "HiddenAlternative1",          new String[] {pkgName,                        ids.pkgName.equals("") ? "analysis" : ids.pkgName + ".analysis",                        "X2" + name,                        "X" + name,                        name,                        GenAlts.nodeName(name)});      }    }  }  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)    {}  }}