X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/bb88b0fc9e1f8ff9f2f5e672078a81d13288e0d5..133c20e252422fd2f844ef2ea136d6a59281ed7b:/src/reduce.c diff --git a/src/reduce.c b/src/reduce.c index 565cd572..c8a8fe71 100644 --- a/src/reduce.c +++ b/src/reduce.c @@ -37,9 +37,6 @@ #include "getargs.h" #include "bitset.h" -typedef short *rule; - - /* Set of all nonterminals which are not useless. */ static bitset N; @@ -67,7 +64,7 @@ int nuseless_nonterminals; static bool useful_production (int i, bitset N0) { - rule r; + item_number_t *r; short n; /* A production is useful if all of the nonterminals in its appear @@ -139,7 +136,7 @@ inaccessable_symbols (void) bitset Vp, Vs, Pp; int i; short t; - rule r; + item_number_t *r; /* Find out which productions are reachable and which symbols are used. Starting with an empty set of productions and a set of @@ -252,7 +249,7 @@ reduce_grammar_tables (void) /* Renumber the rules markers in RITEMS. */ for (i = 1; i < nrules + 1; ++i) { - short *rhsp = rules[i].rhs; + item_number_t *rhsp = rules[i].rhs; for (/* Nothing. */; *rhsp >= 0; ++rhsp) /* Nothing. */; *rhsp = -i; @@ -281,12 +278,12 @@ reduce_grammar_tables (void) static void nonterminals_reduce (void) { - int i, n; + token_number_t i, n; /* Map the nonterminals to their new index: useful first, useless afterwards. Kept for later report. */ - short *nontermmap = XCALLOC (short, nvars) - ntokens; + token_number_t *nontermmap = XCALLOC (token_number_t, nvars) - ntokens; n = ntokens; for (i = ntokens; i < nsyms; i++) if (bitset_test (V, i)) @@ -311,7 +308,7 @@ nonterminals_reduce (void) for (i = 0; i < nritems; ++i) if (ISVAR (ritem[i])) - ritem[i] = nontermmap[ritem[i]]; + ritem[i] = token_number_as_item_number (nontermmap[ritem[i]]); start_symbol = nontermmap[start_symbol]; @@ -361,7 +358,7 @@ reduce_output (FILE *out) fprintf (out, "%s\n\n", _("Useless rules:")); for (i = nrules + 1; i < nuseless_productions + nrules + 1; i++) { - rule r; + item_number_t *r; fprintf (out, "#%-4d ", rules[i].user_number - 1); fprintf (out, "%s:", quotearg_style (escape_quoting_style, rules[i].lhs->tag)); @@ -378,7 +375,7 @@ static void dump_grammar (FILE *out) { int i; - rule r; + item_number_t *r; fprintf (out, "REDUCED GRAMMAR\n\n"); fprintf (out,