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libexpr: move eval memory allocation to own struct

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Co-authored-by: eldritch horrors <pennae@lix.systems>
Co-authored-by: Sergei Zimmerman <sergei@zimmerman.foo>

See original commit on lix:
f5754dc90a
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Taeer Bar-Yam 2025-09-22 14:38:55 -04:00 • committed by Sergei Zimmerman
parent 46095284f1
commit 7b3c193bd3
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9 changed files with 122 additions and 72 deletions
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10
src/libexpr/attr-set.cc
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@ -10,27 +10,27 @@ Bindings Bindings::emptyBindings;
/* Allocate a new array of attributes for an attribute set with a specific
capacity. The space is implicitly reserved after the Bindings
structure. */
Bindings * EvalState::allocBindings(size_t capacity)
Bindings * EvalMemory::allocBindings(size_t capacity)
{
if (capacity == 0)
return &Bindings::emptyBindings;
if (capacity > std::numeric_limits<Bindings::size_type>::max())
throw Error("attribute set of size %d is too big", capacity);
nrAttrsets++;
nrAttrsInAttrsets += capacity;
stats.nrAttrsets++;
stats.nrAttrsInAttrsets += capacity;
return new (allocBytes(sizeof(Bindings) + sizeof(Attr) * capacity)) Bindings();
}
Value & BindingsBuilder::alloc(Symbol name, PosIdx pos)
{
auto value = state.get().allocValue();
auto value = mem.get().allocValue();
bindings->push_back(Attr(name, value, pos));
return *value;
}
Value & BindingsBuilder::alloc(std::string_view name, PosIdx pos)
{
return alloc(state.get().symbols.create(name), pos);
return alloc(symbols.get().create(name), pos);
}
void Bindings::sort()