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report: stop counting uselessly

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* src/print.c (print_nonterminal_symbols): Replace left_count and
right_count with on_left and on_right.
This commit is contained in:
Akim Demaille
2019-02-05 07:46:38 +01:00
parent 51861998c7
commit dd232b95b7
1 changed files with 10 additions and 12 deletions
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22
src/print.c
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@@ -392,18 +392,16 @@ print_nonterminal_symbols (FILE *out)
for (symbol_number i = ntokens; i < nsyms; i++) for (symbol_number i = ntokens; i < nsyms; i++)
{ {
const char *tag = symbols[i]->tag; const char *tag = symbols[i]->tag;
int left_count = 0, right_count = 0; bool on_left = false;
bool on_right = false;
for (rule_number r = 0; r < nrules; r++) for (rule_number r = 0; r < nrules; r++)
{ {
if (rules[r].lhs->number == i) on_left |= rules[r].lhs->number == i;
left_count++; for (item_number *rhsp = rules[r].rhs; !on_right && 0 <= *rhsp; ++rhsp)
for (item_number *rhsp = rules[r].rhs; 0 <= *rhsp; rhsp++) on_right |= item_number_as_symbol_number (*rhsp) == i;
if (item_number_as_symbol_number (*rhsp) == i) if (on_left && on_right)
{ break;
right_count++;
break;
}
} }
int column = 4 + strlen (tag); int column = 4 + strlen (tag);
@@ -413,7 +411,7 @@ print_nonterminal_symbols (FILE *out)
symbols[i]->content->type_name); symbols[i]->content->type_name);
fprintf (out, " (%d)\n", i); fprintf (out, " (%d)\n", i);
if (left_count > 0) if (on_left)
{ {
fprintf (out, "%8s%s", "", _("on left:")); fprintf (out, "%8s%s", "", _("on left:"));
for (rule_number r = 0; r < nrules; r++) for (rule_number r = 0; r < nrules; r++)
@@ -422,11 +420,11 @@ print_nonterminal_symbols (FILE *out)
fputc ('\n', out); fputc ('\n', out);
} }
if (right_count > 0) if (on_right)
{ {
fprintf (out, "%8s%s", "", _("on right:")); fprintf (out, "%8s%s", "", _("on right:"));
for (rule_number r = 0; r < nrules; r++) for (rule_number r = 0; r < nrules; r++)
for (item_number *rhsp = rules[r].rhs; 0 <= *rhsp; rhsp++) for (item_number *rhsp = rules[r].rhs; 0 <= *rhsp; ++rhsp)
if (item_number_as_symbol_number (*rhsp) == i) if (item_number_as_symbol_number (*rhsp) == i)
{ {
fprintf (out, " %d", r); fprintf (out, " %d", r);