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multistart: introduce and use rule_is_initial

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* src/gram.h (rule_is_initial): New.
* src/graphviz.c, src/print-xml.c, src/print.c, src/lalr.c: Use it.
Some of these occurrences were incorrect (checking whether this is
rule 0), and not behaving properly in the case of multistart.
This commit is contained in:
Akim Demaille
2020-11-08 17:50:46 +01:00
parent 4b0cd01fb7
commit a38d0b9145
6 changed files with 20 additions and 26 deletions
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5
src/print.c
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@@ -198,8 +198,7 @@ print_reduction (FILE *out, size_t width,
fputc (' ', out);
if (!enabled)
fputc ('[', out);
const bool final = r->lhs->symbol == acceptsymbol;
if (final)
if (rule_is_initial (r))
fprintf (out, _("accept"));
else
fprintf (out, _("reduce using rule %d (%s)"), r->number,
@@ -318,7 +317,7 @@ print_reductions (FILE *out, const state *s)
aver (STREQ (default_reductions, "most")
|| (STREQ (default_reductions, "consistent")
&& default_reduction_only)
|| (reds->num == 1 && reds->rules[0]->number == 0));
|| (reds->num == 1 && rule_is_initial (reds->rules[0])));
(void) default_reduction_only;
free (default_reductions);
}