I'm trying to add range operator in my language, and I'm having a
problem with it.
The range operator is defined as following:
range: INT '..' INT ;
where INT is '0'..'9'+
I do have FLOAT, but it is defined such that it does not have conflict
with the range operator:
FLOAT: ('0'..'9')+'.'('0'..'9')+ EXPONENT?
| ('0'..'9')+ EXPONENT
;
The thing is, if I use the range operator with white spaces before &
after the dots(such as 10 .. 100), it parses fine
But without the white spaces(such as 10..100), it says
'MismatchedTokenException' .
Can anyone see why it's acting like that? I do not use dot ('.') in
any other places.
I'm using antlrworks 1.4.3 for writing grammar and testing it
(interpreter & debugger)
Thanks.
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