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lalr: print the 'reads' relation

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* src/relation.h, src/relation.c (relation_print): Accept and use a
title.
Don't print empty rows.
Indent the output.
Adjust dependencies.
* src/lalr.c (initialize_goto_follows): Print 'reads' in traces.
This commit is contained in:
Akim Demaille
2019-02-26 06:55:07 +01:00
parent 5255b919ae
commit a415a78d71
4 changed files with 25 additions and 31 deletions
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11
src/lalr.c
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@@ -68,7 +68,7 @@ static goto_number **includes;
static goto_list **lookback;
static void
goto_print (goto_number i, FILE* out)
goto_print (goto_number i, FILE *out)
{
const state_number src = from_state[i];
const state_number dst = to_state[i];
@@ -193,6 +193,8 @@ initialize_goto_follows (void)
}
}
if (trace_flag & trace_automaton)
relation_print ("reads", reads, ngotos, goto_print, stderr);
relation_digraph (reads, ngotos, goto_follows);
for (goto_number i = 0; i < ngotos; ++i)
@@ -282,15 +284,12 @@ build_relations (void)
relation_transpose (&includes, ngotos);
if (trace_flag & trace_automaton)
{
fprintf (stderr, "includes:\n");
relation_print (includes, ngotos, goto_print, stderr);
}
relation_print ("includes", includes, ngotos, goto_print, stderr);
}
/* Print FOLLOWS for debugging. */
static void
follows_print (FILE* out)
follows_print (FILE *out)
{
for (goto_number i = 0; i < ngotos; ++i)
{