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Minor code cleanup in parser table construction.

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* src/LR0.c (new_itemsets): Use item_number_is_symbol_number.
(new_itemsets, save_reductions): Update for rename to nitemset.
* src/closure.c (nritemset): Rename to...
(nitemset): ... this since the "r" appears to meaningless and isn't
used in the comments.
(closure): Update for rename.
* src/closure.h (nritemset): Update extern to...
(nitemset): ... this.
* src/lalr.c (LA): Fix a typo in comments.
* src/print.c (print_core): Update for rename to nitemset.
* src/print_graph.c (print_graph): Likewise.
* src/state.h: Fix some typos in header comments.
This commit is contained in:
Joel E. Denny
2007-05-07 02:28:42 +00:00
parent 9b33de72cd
commit b09f4f4851
8 changed files with 35 additions and 20 deletions
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7
src/state.h
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@@ -44,7 +44,7 @@
ACCESSING_SYMBOL of the core.
Each core contains a vector of NITEMS items which are the indices
in the RITEMS vector of the items that are selected in this state.
in the RITEM vector of the items that are selected in this state.
The two types of actions are shifts/gotos (push the lookahead token
and read another/goto to the state designated by a nterm) and
@@ -63,9 +63,8 @@
deletes transitions by having them point to zero.
Each reductions structure describes the possible reductions at the
state whose number is in the number field. The data is a list of
nreds rules, represented by their rule numbers. first_reduction
points to the list of these structures.
state whose number is in the number field. rules is an array of
num rules. lookahead_tokens is an array of bitsets, one per rule.
Conflict resolution can decide that certain tokens in certain
states should explicitly be errors (for implementing %nonassoc).