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Add :doc support for __functor

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This commit is contained in:
Robert Hensing 2024-08-15 12:29:59 +02:00
parent 6068e32aa7
commit 72a4d1f52d
5 changed files with 232 additions and 0 deletions
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14
src/libexpr/eval.cc
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@ -616,6 +616,20 @@ std::optional<EvalState::Doc> EvalState::getDoc(Value & v)
strdup(ss.data()),
};
}
if (isFunctor(v)) {
try {
Value & functor = *v.attrs()->find(sFunctor)->value;
Value * vp = &v;
Value partiallyApplied;
callFunction(functor, 1, &vp, partiallyApplied, noPos);
auto _level = addCallDepth(noPos);
return getDoc(partiallyApplied);
}
catch (Error & e) {
e.addTrace(nullptr, "while partially calling '%1%' to retrieve documentation", "__functor");
throw;
}
}
return {};
}