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Merge pull request #5575 from edolstra/attrset-call

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Don't hang when calling an attrset
This commit is contained in:
Eelco Dolstra
2021-11-16 19:13:02 +01:00
committed by GitHub
parent 8c93a481af e41cf8511f
commit 9a9afca712
1 changed files with 10 additions and 10 deletions
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20
src/libexpr/eval.cc
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@@ -1275,6 +1275,8 @@ void EvalState::callFunction(Value & fun, size_t nrArgs, Value * * args, Value &
}
};
Attr * functor;
while (nrArgs > 0) {
if (vCur.isLambda()) {
@@ -1403,16 +1405,14 @@ void EvalState::callFunction(Value & fun, size_t nrArgs, Value * * args, Value &
}
}
else if (vCur.type() == nAttrs) {
if (auto functor = vCur.attrs->get(sFunctor)) {
/* 'vCur" may be allocated on the stack of the calling
function, but for functors we may keep a reference,
so heap-allocate a copy and use that instead. */
Value * args2[] = {allocValue()};
*args2[0] = vCur;
/* !!! Should we use the attr pos here? */
callFunction(*functor->value, 1, args2, vCur, pos);
}
else if (vCur.type() == nAttrs && (functor = vCur.attrs->get(sFunctor))) {
/* 'vCur" may be allocated on the stack of the calling
function, but for functors we may keep a reference, so
heap-allocate a copy and use that instead. */
Value * args2[] = {allocValue()};
*args2[0] = vCur;
/* !!! Should we use the attr pos here? */
callFunction(*functor->value, 1, args2, vCur, pos);
}
else