Main {
  static void die(String reason) (@
    System.err.println(reason);
    System.exit(1);
  @)
  static void die(Throwable e) (@
    e.printStackTrace();
    die(e.getMessage());
  @)
}
TypeDecl {
  public abstract String image();
}
ReturnDecl {
  public String image() (@
    return prefix+suffix;
  @)
}
Constant {
  public String image()(@
    return get_image();
  @)
}
ArgumentDecl {
  public String image() (@
    StringBuffer value = new StringBuffer(prefix);
    value.append(" ");
    value.append(get_name().get_value());
    value.append(suffix);
    return value.toString();
  @)
}
CodeCategory {
  protected String expandPattern(Entity entity, String pattern) (@
    String entityName = entity.get_name().get_value();
    return Main.om.substitute("s%\\$\\[Entity\\]%"+entityName+"%g",pattern);
  @)
  String className(Entity entity) (@
    return expandPattern(entity,get_classNamePattern());
  @)
  File headerFile(Entity entity) (@
    return new File(expandPattern(entity,get_headerNamePattern()));
  @)
}
GeneratedCodeCategory{
  File implFile(Entity entity) (@
    return new File(expandPattern(entity,get_implNamePattern()));
  @)
}
AccessKeyList{
  public boolean intersects(AccessKeyList other)
    to AccessKey
  {
    (@ boolean result;@)
    init (@ result = false; @)
    return (@ result; @)
    before AccessKey (@
      if(other.contains(host))
        result = true;
    @)
  }
}
SourceList {
  init (@
    set_value(new String_List(null));
  @)
  void add(String fileName) (@
    get_value().addElement(fileName);
  @)
  boolean isEmpty() (@
    return get_value().isEmpty();
  @)
}