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Merge pull request #13258 from NaN-git/opt-symbol-table

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Optimize symbol table
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Robert Hensing 2025-06-07 13:16:14 +02:00 • committed by GitHub
commit 102259898c
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6 changed files with 212 additions and 65 deletions
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8
src/libexpr/eval.cc
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@ -2,6 +2,7 @@
#include "nix/expr/eval-settings.hh"
#include "nix/expr/primops.hh"
#include "nix/expr/print-options.hh"
#include "nix/expr/symbol-table.hh"
#include "nix/util/exit.hh"
#include "nix/util/types.hh"
#include "nix/util/util.hh"
@ -89,6 +90,11 @@ std::string printValue(EvalState & state, Value & v)
return out.str();
}
Value * Value::toPtr(SymbolStr str) noexcept
{
return const_cast<Value *>(str.valuePtr());
}
void Value::print(EvalState & state, std::ostream & str, PrintOptions options)
{
printValue(state, str, *this, options);
@ -3013,7 +3019,7 @@ void EvalState::printStatistics()
// XXX: overrides earlier assignment
topObj["symbols"] = json::array();
auto &list = topObj["symbols"];
symbols.dump([&](const std::string & s) { list.emplace_back(s); });
symbols.dump([&](std::string_view s) { list.emplace_back(s); });
}
if (outPath == "-") {
std::cerr << topObj.dump(2) << std::endl;