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reports: display %empty in the generated pointed-rules

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* src/print.c (print_core): Use %empty for empty rules.
* src/print_graph.c (print_core): Ditto.
* tests/conflicts.at, tests/output.at, tests/reduce.at: Adjust
expectations.
This commit is contained in:
Akim Demaille
2013-11-26 15:24:53 +01:00
parent 7b0ca050f7
commit 21cf80399f
5 changed files with 33 additions and 27 deletions
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7
src/print.c
View File

@@ -106,8 +106,11 @@ print_core (FILE *out, state *s)
for (sp = rules[r].rhs; sp < sp1; sp++)
fprintf (out, " %s", symbols[*sp]->tag);
fputs (" .", out);
for (/* Nothing */; *sp >= 0; ++sp)
fprintf (out, " %s", symbols[*sp]->tag);
if (0 <= *rules[r].rhs)
for (/* Nothing */; 0 <= *sp; ++sp)
fprintf (out, " %s", symbols[*sp]->tag);
else
fprintf (out, " %%empty");
/* Display the lookahead tokens? */
if (report_flag & report_lookahead_tokens

7
src/print_graph.c
View File

@@ -84,8 +84,11 @@ print_core (struct obstack *oout, state *s)
obstack_1grow (oout, '.');
for (/* Nothing */; *sp >= 0; ++sp)
obstack_printf (oout, " %s", escape (symbols[*sp]->tag));
if (0 <= *r->rhs)
for (/* Nothing */; *sp >= 0; ++sp)
obstack_printf (oout, " %s", escape (symbols[*sp]->tag));
else
obstack_printf (oout, " %%empty");
/* Experimental feature: display the lookahead tokens. */
if (report_flag & report_lookahead_tokens