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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
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4
src/tables.c
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@@ -290,7 +290,7 @@ action_row (state *s)
/* Do not use any default reduction if there is a shift for
error */
if (sym == errtoken->number)
if (sym == errtoken->content->number)
nodefault = true;
}
@@ -300,7 +300,7 @@ action_row (state *s)
for (i = 0; i < errp->num; i++)
{
symbol *sym = errp->symbols[i];
actrow[sym->number] = ACTION_NUMBER_MINIMUM;
actrow[sym->content->number] = ACTION_NUMBER_MINIMUM;
}
/* Turn off default reductions where requested by the user. See