Re: help: a newbie question

Never mind. It is my mistake. Thanks to Theodore Norvell.

Larry

[EMAIL PROTECTED] wrote in message news:<[EMAIL PROTECTED]>...
> Hi,
> 
> I am new to javacc and have a question to ask. I wrote a very simple javacc
> code but it could not parse a simple input with ".".
> 
> The javacc code:
> 
>  PARSER_BEGIN(SimpleTest)
> 
> public class SimpleTest {
> 
>   public static void main(String args[]) throws ParseException {
>     SimpleTest parser = new SimpleTest(System.in);
>     parser.Input();
>   }
>  
> }
> 
> PARSER_END(SimpleTest)
> 
> SKIP :
> {
>   " "
> | "\t"
> | "\f"
> | "\n"
> | "\r"
> }
> 
> TOKEN :
> {
>   < FIND : "find" >
> |
>  < AS : "as" >
> |
>  < DOT: ".">
> |
>  < ID: ["a"-"z","A"-"Z","_","@"] ( ["a"-"z","A"-"Z","_","0"-"9","@"] )* >
> |
>   < STRING_LITERAL:
>       "\""
>       (   (~["\"","\n","\r"])
>       )*
>       "\""
>   >
> }
> 
> void Input() :
> {
>   Token type;
>   Token subType;
>   Token name;
>   Token id;
> }
> {
>   LOOKAHEAD(<ID> <DOT>)
>   <FIND> type=<ID> <DOT> subType=<ID> name=<STRING_LITERAL> <AS> id=<ID> ";"
>   {
>     System.out.println("find "+type+"."+subType+" "+name+" as "+id);
>   }
>   |
>   <FIND> type=<ID> name=<STRING_LITERAL> <AS> id=<ID> ";"
>   {
>     System.out.println("find "+type+" "+name+" as "+id);
>   }
> }
> 
> The input I wanted to test is(from System.in):
>         find Server.SSL "server.ssl" as s2;
>         find Server "server" as s1;
> 
> Somehow the generated parser could not parse the first line. It kept
> complaining:
>     Encountered "." at line 1 column 12
>     Was expecting:
>     <STRING_LITERAL> ...
> 
> I do not understand why the LOOKAHEAD does not work. Could anyone give my
> some help here? Thanks a lot!
> 
> Larry