Future/bison
1
0
Fork 0
mirror of https://git.savannah.gnu.org/git/bison.git synced 2026-03-13 14:23:04 +00:00
Code Issues Packages Projects Releases Wiki Activity

* src/reduce.c (dump_grammar): Move to...

Browse Source 
* src/gram.h, src/gram.c (grammar_dump): here.
Be sure to separate long item numbers.
Don't read the members of a rule's prec if its nil.
This commit is contained in:
Akim Demaille
2002-04-22 08:23:07 +00:00
parent 133c20e252
commit 78ab8f674f
5 changed files with 74 additions and 55 deletions
Download Patch File Download Diff File Expand all files Collapse all files

55
src/reduce.c
View File

@@ -51,7 +51,7 @@ static bitset V;
static bitset V1;
static int nuseful_productions;
static int nuseless_productions;
int nuseless_productions;
static int nuseful_nonterminals;
int nuseless_nonterminals;
@@ -371,58 +371,7 @@ reduce_output (FILE *out)
}
}
static void
dump_grammar (FILE *out)
{
int i;
item_number_t *r;
fprintf (out, "REDUCED GRAMMAR\n\n");
fprintf (out,
"ntokens = %d, nvars = %d, nsyms = %d, nrules = %d, nritems = %d\n\n",
ntokens, nvars, nsyms, nrules, nritems);
fprintf (out, "Variables\n---------\n\n");
fprintf (out, "Value Sprec Sassoc Tag\n");
for (i = ntokens; i < nsyms; i++)
fprintf (out, "%5d %5d %5d %s\n",
i,
symbols[i]->prec, symbols[i]->assoc,
quotearg_style (escape_quoting_style, symbols[i]->tag));
fprintf (out, "\n\n");
fprintf (out, "Rules\n-----\n\n");
fprintf (out, "Num (Prec, Assoc, Useful, Ritem Range) Lhs -> Rhs (Ritem range) [Num]\n");
for (i = 1; i < nrules + nuseless_productions + 1; i++)
{
int rhs_count = 0;
/* Find the last RHS index in ritems. */
for (r = rules[i].rhs; *r >= 0; ++r)
++rhs_count;
fprintf (out, "%3d (%2d, %2d, %2d, %2d-%2d) %2d ->",
i - 1,
rules[i].prec->prec,
rules[i].prec->assoc,
rules[i].useful,
rules[i].rhs - ritem,
rules[i].rhs - ritem + rhs_count - 1,
rules[i].lhs->number);
/* Dumped the RHS. */
for (r = rules[i].rhs; *r >= 0; r++)
fprintf (out, "%3d", *r);
fprintf (out, " [%d]\n", -(*r) - 1);
}
fprintf (out, "\n\n");
fprintf (out, "Rules interpreted\n-----------------\n\n");
for (i = 1; i < nrules + nuseless_productions + 1; i++)
{
fprintf (out, "%-5d %s :",
i, quotearg_style (escape_quoting_style, rules[i].lhs->tag));
for (r = rules[i].rhs; *r >= 0; r++)
fprintf (out, " %s",
quotearg_style (escape_quoting_style, symbols[*r]->tag));
fputc ('\n', out);
}
fprintf (out, "\n\n");
}
@@ -494,7 +443,7 @@ reduce_grammar (void)
if (trace_flag)
{
dump_grammar (stderr);
grammar_dump (stderr, "Reduced Grammar");
fprintf (stderr, "reduced %s defines %d terminals, %d nonterminals\
, and %d productions.\n",