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symbols: improve symbol aliasing

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Rather than having duplicate info in the symbol and the alias that has
to be resolved later on, both the symbol and the alias have a common
pointer to a separate structure containing this info.

* src/symtab.h (sym_content): New structure.
* src/symtab.c (sym_content_new, sym_content_free, symbol_free): New

* src/AnnotationList.c, src/conflicts.c, src/gram.c, src/gram.h,
* src/graphviz.c, src/ielr.c, src/output.c, src/parse-gram.y, src/print.c
* src/print-xml.c, src/print_graph.c, src/reader.c, src/reduce.c,
* src/state.h, src/symlist.c, src/symtab.c, src/symtab.h, src/tables.c:
Adjust.

* tests/input.at: Fix expectations (order changes).
This commit is contained in:
Valentin Tolmer
2013-07-31 11:51:59 +02:00
committed by Akim Demaille
parent c4aa4ff541
commit a728075710
18 changed files with 262 additions and 267 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
src/gram.c
View File

@@ -65,19 +65,19 @@ rule_useless_in_parser_p (rule const *r)
}
void
rule_lhs_print (rule const *r, symbol const *previous_lhs, FILE *out)
rule_lhs_print (rule const *r, sym_content const *previous_lhs, FILE *out)
{
fprintf (out, " %3d ", r->number);
if (previous_lhs != r->lhs)
fprintf (out, "%s:", r->lhs->tag);
fprintf (out, "%s:", r->lhs->symbol->tag);
else
fprintf (out, "%*s|", (int) strlen (previous_lhs->tag), "");
fprintf (out, "%*s|", (int) strlen (previous_lhs->symbol->tag), "");
}
void
rule_lhs_print_xml (rule const *r, FILE *out, int level)
{
xml_printf (out, level, "<lhs>%s</lhs>", r->lhs->tag);
xml_printf (out, level, "<lhs>%s</lhs>", r->lhs->symbol->tag);
}
size_t
@@ -158,7 +158,7 @@ grammar_rules_partial_print (FILE *out, const char *title,
{
rule_number r;
bool first = true;
symbol *previous_lhs = NULL;
sym_content *previous_lhs = NULL;
/* rule # : LHS -> RHS */
for (r = 0; r < nrules + nuseless_productions; r++)
@@ -209,7 +209,7 @@ grammar_rules_print_xml (FILE *out, int level)
rules[r].number, usefulness);
if (rules[r].precsym)
fprintf (out, " percent_prec=\"%s\"",
xml_escape (rules[r].precsym->tag));
xml_escape (rules[r].precsym->symbol->tag));
fputs (">\n", out);
}
rule_lhs_print_xml (&rules[r], out, level + 3);
@@ -239,7 +239,7 @@ grammar_dump (FILE *out, const char *title)
for (i = ntokens; i < nsyms; i++)
fprintf (out, "%5d %5d %5d %s\n",
i,
symbols[i]->prec, symbols[i]->assoc,
symbols[i]->content->prec, symbols[i]->content->assoc,
symbols[i]->tag);
fprintf (out, "\n\n");
}
@@ -280,7 +280,7 @@ grammar_dump (FILE *out, const char *title)
rule_number r;
for (r = 0; r < nrules + nuseless_productions; r++)
{
fprintf (out, "%-5d %s:", r, rules[r].lhs->tag);
fprintf (out, "%-5d %s:", r, rules[r].lhs->symbol->tag);
rule_rhs_print (&rules[r], out);
fprintf (out, "\n");
}