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AttrCursor::Parent: shared_ptr -> ref

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(cherry picked from commit 5a35745949)
This commit is contained in:
Eelco Dolstra 2025-03-31 15:14:10 +02:00
parent 8b448c841e
commit 64fb6ab435
2 changed files with 5 additions and 5 deletions
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8
src/libexpr/eval-cache.cc
View file

@ -423,7 +423,7 @@ void AttrCursor::fetchCachedValue()
if (!cachedValue) if (!cachedValue)
cachedValue = root->db->getAttr(getKey()); cachedValue = root->db->getAttr(getKey());
if (cachedValue && std::get_if<failed_t>(&cachedValue->second) && parent) if (cachedValue && std::get_if<failed_t>(&cachedValue->second) && parent)
throw CachedEvalError(ref(parent->first), parent->second); throw CachedEvalError(parent->first, parent->second);
} }
std::vector<Symbol> AttrCursor::getAttrPath() const std::vector<Symbol> AttrCursor::getAttrPath() const
@ -508,7 +508,7 @@ std::shared_ptr<AttrCursor> AttrCursor::maybeGetAttr(Symbol name)
if (auto attrs = std::get_if<std::vector<Symbol>>(&cachedValue->second)) { if (auto attrs = std::get_if<std::vector<Symbol>>(&cachedValue->second)) {
for (auto & attr : *attrs) for (auto & attr : *attrs)
if (attr == name) if (attr == name)
return std::make_shared<AttrCursor>(root, std::make_pair(shared_from_this(), attr)); return std::make_shared<AttrCursor>(root, std::make_pair(ref(shared_from_this()), attr));
return nullptr; return nullptr;
} else if (std::get_if<placeholder_t>(&cachedValue->second)) { } else if (std::get_if<placeholder_t>(&cachedValue->second)) {
auto attr = root->db->getAttr({cachedValue->first, name}); auto attr = root->db->getAttr({cachedValue->first, name});
@ -519,7 +519,7 @@ std::shared_ptr<AttrCursor> AttrCursor::maybeGetAttr(Symbol name)
throw CachedEvalError(ref(shared_from_this()), name); throw CachedEvalError(ref(shared_from_this()), name);
else else
return std::make_shared<AttrCursor>(root, return std::make_shared<AttrCursor>(root,
std::make_pair(shared_from_this(), name), nullptr, std::move(attr)); std::make_pair(ref(shared_from_this()), name), nullptr, std::move(attr));
} }
// Incomplete attrset, so need to fall thru and // Incomplete attrset, so need to fall thru and
// evaluate to see whether 'name' exists // evaluate to see whether 'name' exists
@ -554,7 +554,7 @@ std::shared_ptr<AttrCursor> AttrCursor::maybeGetAttr(Symbol name)
} }
return make_ref<AttrCursor>( return make_ref<AttrCursor>(
root, std::make_pair(shared_from_this(), name), attr->value, std::move(cachedValue2)); root, std::make_pair(ref(shared_from_this()), name), attr->value, std::move(cachedValue2));
} }
std::shared_ptr<AttrCursor> AttrCursor::maybeGetAttr(std::string_view name) std::shared_ptr<AttrCursor> AttrCursor::maybeGetAttr(std::string_view name)

2
src/libexpr/include/nix/eval-cache.hh
View file

@ -90,7 +90,7 @@ class AttrCursor : public std::enable_shared_from_this<AttrCursor>
friend struct CachedEvalError; friend struct CachedEvalError;
ref<EvalCache> root; ref<EvalCache> root;
typedef std::optional<std::pair<std::shared_ptr<AttrCursor>, Symbol>> Parent; using Parent = std::optional<std::pair<ref<AttrCursor>, Symbol>>;
Parent parent; Parent parent;
RootValue _value; RootValue _value;
std::optional<std::pair<AttrId, AttrValue>> cachedValue; std::optional<std::pair<AttrId, AttrValue>> cachedValue;