The following grammar produces uncompilable code when generated from ANTLRWorks
using -debug in the ANTLR options. I'm not sure which version of ANTLR is being
used by ANTLRWorks. If it matters, I have ANTLR 3.1.3 on my machine.
====
grammar EdifactDelfor;
options {
language = 'CSharp2' ;
}
tokens {
}
file : contents+ EOF ;
contents : TEXT
| SEP
| WS
| CSEP
| EOL
;
EOL: '\'';
SEP: '+';
CSEP: ':';
TEXT: ('a'..'z'|'A'..'Z'|'0'..'9'|' '|'-'|','|'.'|'/'|'?')+ ;
WS: ('\r'? '\n')+ ;
====
Here is the culprit code that was generated (in the file() method):
default:
if (cnt1 >= 1) goto loop1;
EarlyExitException eee1 =
new EarlyExitException(1, input);
dbg.RecognitionException(eee); // Note the missing '1': should be eee1
throw eee1;
When I manually change the reference to eee1, the thing compiles.
This bug does not appear when -debug is turned off.
Rob
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