BIG BUG

[Philippe <plegay@atos-group.com>]

Package bmrbin26 ;

Hello, try to compile this file
------------------------------------
Tokens
teor      = ;
tlvp8104  = ;
tlvp8604  = ;
tlvp8605  = ;
tlvk0600  = ;

Productions
// xsap = teor ;

ssap = tlvp8104
       suite03_ssap
       suite04_ssap
       ;

suite03_ssap = {x2} tlvk0600 tlvp8605
             | {x4} // You can also suppress the error by adding teor here
             ;

suite04_ssap = {x2} tlvk0600 tlvp8604
             | {x4} teor
             ;
--------------------------
You will have a bug :
SableCC version 2.6
Copyright (C) 1997, 1998 Etienne Gagnon (gagnon@sable.mcgill.ca).  All
rights reserved.

This software comes with ABSOLUTELY NO WARRANTY.  This is free software,
and you are welcome to redistribute it under certain conditions.

Type 'java SableCC -license' to view the complete copyright notice and
license.

Verifying identifiers.
Generating token classes.
Generating production classes.
Generating alternative classes.
Generating analysis classes.
Generating utility classes.
Generating the lexer.
 - Constructing NFA.
.........
 - Constructing DFA.
..............
.
 - resolving ACCEPT states.
Generating the parser.
..........
..........
..........
..
..shift/reduce conflict on TTlvk0600 in {
 [PSsap = TTlvp8104 PSuite03Ssap PSuite04Ssap]:1:EOF,
 [PSuite03Ssap = TTlvk0600 TTlvp8605]:0:TTeor,
 [PSuite03Ssap = TTlvk0600 TTlvp8605]:0:TTlvk0600,
 [PSuite03Ssap = ]:0:TTeor,
 [PSuite03Ssap = ]:0:TTlvk0600
}

First problem :
My knowlegde is too poor to understand what "shift/reduce conflict on TTlvk0600"
means.
I am not an expert of compiler.

Second problem:
I do not understand how to read the error message (What is :1: ?)

Third problem:
Suppress the comment on the line "//xsap = teor ; " and compile no error ?

Fourth problem:
With the comment //xsap, replace "| {x4}" in suite03_ssap by "| {x4} teor". You
have no
error ! Why ?


Happy New year.

Best regards

Philippe.