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#include "attr-set.hh"
#include <algorithm>
#include "eval-inline.hh"
namespace nix {
/* 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) {
if (capacity > std::numeric_limits<Bindings::size_t>::max()) {
throw Error("attribute set of size %d is too big", capacity);
}
return new (allocBytes(sizeof(Bindings) + sizeof(Attr) * capacity))
Bindings((Bindings::size_t)capacity);
}
void EvalState::mkAttrs(Value& v, size_t capacity) {
if (capacity == 0) {
v = vEmptySet;
return;
}
clearValue(v);
v.type = tAttrs;
v.attrs = allocBindings(capacity);
nrAttrsets++;
nrAttrsInAttrsets += capacity;
}
/* Create a new attribute named 'name' on an existing attribute set stored
in 'vAttrs' and return the newly allocated Value which is associated with
this attribute. */
Value* EvalState::allocAttr(Value& vAttrs, const Symbol& name) {
Value* v = allocValue();
vAttrs.attrs->push_back(Attr(name, v));
return v;
}
void Bindings::sort() { std::sort(begin(), end()); }
} // namespace nix
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