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remove some left-over dead code that I think is bullshit

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Sven M. Hallberg 2013-05-22 20:51:23 +02:00
parent 475d0ea9f3
commit 46525ede2d
1 changed files with 0 additions and 19 deletions
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19
src/cfgrammar.c
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@ -260,25 +260,6 @@ const HCFStringMap *h_first(size_t k, HCFGrammar *g, const HCFChoice *x)
// shortcut: first_0(X) is always {""} // shortcut: first_0(X) is always {""}
if(k==0) if(k==0)
return g->singleton_epsilon; return g->singleton_epsilon;
#if 0
// XXX this is bullshit?
// shortcut: first_0(X) is {""} if X derives anything
if(k==0) {
switch(x->type) {
case HCF_END:
case HCF_CHAR:
return g->singleton_epsilon;
case HCF_CHARSET:
c=0;
do {
if(charset_isset(x->charset, c))
return g->singleton_epsilon;
} while(c++ < 255);
break;
// HCF_CHOICE is handled by the general case below
}
}
#endif
// memoize via g->first // memoize via g->first
ensure_k(g, k); ensure_k(g, k);