From 48afbcb0783c1b791051acb561aadebd80d26f44 Mon Sep 17 00:00:00 2001
From: "Sven M. Hallberg" <pesco@khjk.org>
Date: Fri, 24 May 2013 22:48:15 +0200
Subject: [PATCH] justify a const cast
---
src/cfgrammar.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/src/cfgrammar.c b/src/cfgrammar.c
index e9c9d5dc..0ce3cbf2 100644
--- a/src/cfgrammar.c
+++ b/src/cfgrammar.c
@@ -462,7 +462,8 @@ static void remove_all_shorter(size_t k, HCFStringMap *m)
}
// h_follow adapted to the signature of StringSetFun
-static inline const HCFStringMap *h_follow_(size_t k, HCFGrammar *g, HCFChoice **s)
+static inline
+const HCFStringMap *h_follow_(size_t k, HCFGrammar *g, HCFChoice **s)
{
return h_follow(k, g, *s);
}
@@ -538,6 +539,10 @@ HCFStringMap *h_predict(size_t k, HCFGrammar *g,
// { ab | a <- first_k(rhs), b <- follow_k(A), |ab|=k }
const HCFStringMap *first_rhs = h_first_seq(k, g, rhs->items);
+
+ // casting the const off of A below. note: stringset_extend does
+ // not touch this argument, only passes it through to h_follow
+ // in this case, which accepts it, once again, as const.
stringset_extend(g, ret, k, first_rhs, h_follow_, (HCFChoice **)&A);
// make sure there are only strings of length _exactly_ k
--
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