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Merge remote-tracking branch 'origin/topic/jsiwek/gh-710-expire-func-type-check'

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* origin/topic/jsiwek/gh-710-expire-func-type-check:
  GH-710: Check that &expire_func is a function and not hook/event
This commit is contained in:
Tim Wojtulewicz 2020-08-24 14:30:43 -07:00
commit b687730a01
5 changed files with 31 additions and 1 deletions
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9
src/Attr.cc
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@ -512,10 +512,19 @@ void Attributes::CheckAttr(Attr* a)
const auto& expire_func = a->GetExpr();
if ( expire_func->GetType()->Tag() != TYPE_FUNC )
{
Error("&expire_func attribute is not a function");
break;
}
const FuncType* e_ft = expire_func->GetType()->AsFuncType();
if ( e_ft->Flavor() != FUNC_FLAVOR_FUNCTION )
{
Error("&expire_func attribute is not a function");
break;
}
if ( e_ft->Yield()->Tag() != TYPE_INTERVAL )
{
Error("&expire_func must yield a value of type interval");