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fix -vet warning for stack overflows not showing up

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Due to the placement of this code, the warning would only ever be added
if the variable was also either unused or shadowed.
This commit is contained in:
Laytan Laats
2024-04-03 01:05:54 +02:00
parent a9bfb3ac2e
commit b754c1e072
1 changed files with 9 additions and 11 deletions
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src/checker.cpp
+9 -11
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@@ -703,6 +703,15 @@ gb_internal void check_scope_usage(Checker *c, Scope *scope, u64 vet_flags) {
array_add(&vetted_entities, ve_unused);
} else if (is_shadowed) {
array_add(&vetted_entities, ve_shadowed);
} else if (e->kind == Entity_Variable && (e->flags & (EntityFlag_Param|EntityFlag_Using)) == 0) {
i64 sz = type_size_of(e->type);
// TODO(bill): When is a good size warn?
// Is 128 KiB good enough?
if (sz >= 1ll<<17) {
gbString type_str = type_to_string(e->type);
warning(e->token, "Declaration of '%.*s' may cause a stack overflow due to its type '%s' having a size of %lld bytes", LIT(e->token.string), type_str, cast(long long)sz);
gb_string_free(type_str);
}
}
}
rw_mutex_shared_unlock(&scope->mutex);
@@ -734,17 +743,6 @@ gb_internal void check_scope_usage(Checker *c, Scope *scope, u64 vet_flags) {
break;
}
}
if (e->kind == Entity_Variable && (e->flags & (EntityFlag_Param|EntityFlag_Using)) == 0) {
i64 sz = type_size_of(e->type);
// TODO(bill): When is a good size warn?
// Is 128 KiB good enough?
if (sz >= 1ll<<17) {
gbString type_str = type_to_string(e->type);
warning(e->token, "Declaration of '%.*s' may cause a stack overflow due to its type '%s' having a size of %lld bytes", LIT(name), type_str, cast(long long)sz);
gb_string_free(type_str);
}
}
}
array_free(&vetted_entities);