- if (shiftp)
- {
- k = shiftp->nshifts;
-
- for (i = 0; i < k; i++)
- {
- if (!shiftp->shifts[i])
- continue;
- state1 = shiftp->shifts[i];
- symbol = accessing_symbol[state1];
- /* The following line used to be turned off. */
- if (ISVAR (symbol))
- break;
- if (symbol == 0) /* I.e. strcmp(tags[symbol],"$")==0 */
- fprintf (foutput, _(" $ \tgo to state %d\n"), state1);
- else
- fprintf (foutput, _(" %-4s\tshift, and go to state %d\n"),
- tags[symbol], state1);
- }
-
- if (i > 0)
- putc ('\n', foutput);
- }
+ /* Compute the width of the lookahead token column. */
+ for (i = 0; i < errp->num; ++i)
+ if (errp->symbols[i])
+ max_length (&width, errp->symbols[i]->tag);
+
+ /* Nothing to report. */
+ if (!width)
+ return;
+
+ fputc ('\n', out);
+ width += 2;
+
+ /* Report lookahead tokens and errors. */
+ for (i = 0; i < errp->num; ++i)
+ if (errp->symbols[i])
+ {
+ const char *tag = errp->symbols[i]->tag;
+ int j;
+ fprintf (out, " %s", tag);
+ for (j = width - strlen (tag); j > 0; --j)
+ fputc (' ', out);
+ fputs (_("error (nonassociative)\n"), out);
+ }
+}
+
+
+/*-------------------------------------------------------------------------.
+| Report a reduction of RULE on LOOKAHEAD_TOKEN (which can be `default'). |
+| If not ENABLED, the rule is masked by a shift or a reduce (S/R and |
+| R/R conflicts). |
+`-------------------------------------------------------------------------*/
+
+static void
+print_reduction (FILE *out, size_t width,
+ const char *lookahead_token,
+ rule *r, bool enabled)
+{
+ int j;
+ fprintf (out, " %s", lookahead_token);
+ for (j = width - strlen (lookahead_token); j > 0; --j)
+ fputc (' ', out);
+ if (!enabled)
+ fputc ('[', out);
+ if (r->number)
+ fprintf (out, _("reduce using rule %d (%s)"), r->number, r->lhs->tag);