options
{
  LOOKAHEAD= 1;
  MULTI = true;
  NODE_SCOPE_HOOK=true;
}

PARSER_BEGIN(Reader)

public class Reader {
  Reader parser;
  public static void main(String args[]) throws ParseException {
    System.out.println("Java-- Parser");
    parser = new Reader(System.in);

    try {
      parser.Global();
      System.out.println("Java-- Finished Parsing");
    } catch (ParseException e) {
      System.out.println(e.getMessage());
      System.out.println("Java-- Error Parsing");
    }
  }
}

PARSER_END(Reader)

//White Spaces

SKIP :
{
  " "
| "\t"
| "\n"
| "\r"
| "\f"
}

//Keywords

TOKEN :
{

  < CLASS: "class" >

| < PUBLIC: "public" >
| < STATIC: "static" >

| < NEW: "new" >

| < EXTENDS: "extends" >

| < FALSE: "false" >
| < TRUE: "true" >

| < IF: "if" >
| < ELSE: "else" >

| < BOOLEAN: "boolean" >
| < INT: "int" >

| < RETURN: "return" >

| < VOID: "void" >

| < WHILE: "while" >

}

void Global() : {}
{
  Class()
  <EOF>
}

void Class() : {}
{

  ClassDeclaration()

  ";"

}

void ClassDeclaration() : {}
{
  ( "public" | "static" )*
}