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[qfcc] Catch useless specifiers in function scope

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This commit is contained in:
Bill Currie 2020-03-04 18:07:10 +09:00
parent 4c82114547
commit 7a2335e9f4
1 changed files with 20 additions and 0 deletions
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20
tools/qfcc/source/qc-parse.y
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@ -1232,6 +1232,26 @@ local_def
local_expr = 0; local_expr = 0;
(void) ($<spec>2); (void) ($<spec>2);
} }
| specifiers ';'
{
if (!is_null_spec ($1)) {
if (!$1.type && !$1.sym) {
warning (0, "useless specifiers");
} else if ($1.type && !$1.sym) {
if (is_anonymous_struct ($1)){
warning (0, "unnamed struct/union that defines "
"no instances");
} else {
warning (0, "useless type name in empty declaration");
}
} else if (!$1.type && $1.sym) {
bug (0, "wha? %p %p", $1.type, $1.sym);
} else {
bug (0, "wha? %p %p", $1.type, $1.sym);
}
}
$$ = 0;
}
; ;
statement statement