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undefined but unused is a warning

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* src/symtab.c (symbol_check_defined): Undeclared symbols are only
a warning.
* tests/input.at (Undeclared symbols used for a printer or destructor):
Rename as...
(Undefined symbols): this, and check this case.
* NEWS: Doc it.
This commit is contained in:
Akim Demaille
2012-08-15 09:44:34 +02:00
parent e4c0985b5c
commit 31557b9ead
3 changed files with 16 additions and 30 deletions
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26
src/symtab.c
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@@ -383,26 +383,12 @@ symbol_check_defined (symbol *sym)
{
if (sym->class == unknown_sym)
{
switch (sym->status)
{
case used:
complain_at (sym->location, Wother,
_("symbol %s is used, but is not defined as a token"
" and has no rules"),
sym->tag);
break;
case undeclared:
case needed:
complain_at (sym->location, complaint,
_("symbol %s is used, but is not defined as a token"
" and has no rules"),
sym->tag);
break;
case declared:
/* If declared, then sym->class != unknown_sym. */
assert (0);
}
assert (sym->status != declared);
complain_at (sym->location,
sym->status == needed ? complaint : Wother,
_("symbol %s is used, but is not defined as a token"
" and has no rules"),
sym->tag);
sym->class = nterm_sym;
sym->number = nvars++;
}