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* src/closure.h, src/closure.c, src/lalr.c: here.
This commit is contained in:
Akim Demaille
2019-04-12 08:29:44 +02:00
parent 99664706e2
commit 2ab70cf0c6
4 changed files with 60 additions and 11 deletions
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19
src/closure.h
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@@ -33,24 +33,21 @@ void closure_new (unsigned n);
/* Given the kernel (aka core) of a state (a sorted vector of item numbers
ITEMS, of length N), set up RULESET and ITEMSET to indicate what
rules could be run and which items could be accepted when those
items are the active ones.
RULESET contains a bit for each rule. CLOSURE sets the bits for
all rules which could potentially describe the next input to be
read.
ITEMSET is a sorted vector of item numbers; NITEMSET is its size
(actually, points to just beyond the end of the part of it that is
significant). CLOSURE places there the indices of all items which
represent units of input that could arrive next. */
items are the active ones. */
void closure (item_number const *items, size_t n);
/* Frees ITEMSET, RULESET and internal data. */
/* Free ITEMSET, RULESET and internal data. */
void closure_free (void);
/* ITEMSET is a sorted vector of item numbers; NITEMSET is its size
(actually, points to just beyond the end of the part of it that is
significant). CLOSURE places there the indices of all items which
represent units of input that could arrive next. */
extern item_number *itemset;
extern size_t nitemset;