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symbol-table: reference entries instead of allocating Values

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Philipp Otterbein 2025-06-01 21:00:01 +02:00
parent 94bbaddb93
commit ed4e512dcd
4 changed files with 19 additions and 12 deletions
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8
src/libexpr/primops.cc
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@ -2710,7 +2710,7 @@ static void prim_attrNames(EvalState & state, const PosIdx pos, Value * * args,
auto list = state.buildList(args[0]->attrs()->size());
for (const auto & [n, i] : enumerate(*args[0]->attrs()))
(list[n] = state.allocValue())->mkString(state.symbols[i.name]);
list[n] = Value::toPtr(state.symbols[i.name]);
std::sort(list.begin(), list.end(),
[](Value * v1, Value * v2) { return strcmp(v1->c_str(), v2->c_str()) < 0; });
@ -3170,9 +3170,8 @@ static void prim_mapAttrs(EvalState & state, const PosIdx pos, Value * * args, V
auto attrs = state.buildBindings(args[1]->attrs()->size());
for (auto & i : *args[1]->attrs()) {
Value * vName = state.allocValue();
Value * vName = Value::toPtr(state.symbols[i.name]);
Value * vFun2 = state.allocValue();
vName->mkString(state.symbols[i.name]);
vFun2->mkApp(args[0], vName);
attrs.alloc(i.name).mkApp(vFun2, i.value);
}
@ -3236,8 +3235,7 @@ static void prim_zipAttrsWith(EvalState & state, const PosIdx pos, Value * * arg
auto attrs = state.buildBindings(attrsSeen.size());
for (auto & [sym, elem] : attrsSeen) {
auto name = state.allocValue();
name->mkString(state.symbols[sym]);
auto name = Value::toPtr(state.symbols[sym]);
auto call1 = state.allocValue();
call1->mkApp(args[0], name);
auto call2 = state.allocValue();