[antlr-interest] Tutorial Seems to Have Improper Java
Terence Parr
parrt at cs.usfca.edu
Thu Nov 18 14:49:41 PST 2004
On Nov 18, 2004, at 1:45 PM, Matthew Tedder wrote:
> While I code in C/C++ and flex/bison, I am new to Java
> and trying to learn antlr, too. The following link is
> to code I found in an antlr tutorial:
>
> http://pastebin.com/121239
>
> But it doesn't work.. javac says it's expecting '{'
> after:
>
> class ExrLexer extends lever;
>
> Can anyone tell me what is wrong here? Once I get
> just one simple thing working, I think I could be
> happy playing with it for a while..
Somebody has the main and .g file looking like one. Make this a
separate file:
import antlr.*;
public class Main {
public static void main(String[] args) throws Exception {
ExprLexer lexer = new ExprLexer(System.in);
ExprParser parser = new ExprParser(lexer);
parser.expr();
}
}
Ter
--
CS Professor & Grad Director, University of San Francisco
Creator, ANTLR Parser Generator, http://www.antlr.org
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