[antlr-interest] Re: Lookahead set merging
Brad Schick
schick at robotbattle.com
Sun May 2 23:59:02 PDT 2004
I just wanted to note that this is really a "why does antlr work
this way" question rather than a "please fix my grammar" question :)
Pasted the warnings below. Lines 30 and 33 correspond to the two
lines containing "(variable_qual)?" in the example.
tester.g:30:13: warning:nondeterminism between alts 1 and 2 of block
upon
tester.g:30:13: k==1:"["
tester.g:30:13: k==2:IDENT
tester.g:33:26: warning:nondeterminism between alts 1 and 2 of block
upon
tester.g:33:26: k==1:"["
tester.g:33:26: k==2:IDENT
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