eldritch horrors
db35aa753b
with thunk state being shareable we no longer need to worry about value uniqueness, only about value lifetime. this means we can liberally drop indirections and allocations, passing references instead of pointers or using stack memory instead of gc-managed memory for some intermediates. Change-Id: I2d48a6fd57a376d544bd9bd2d05e5420611986d1
46 lines
1.1 KiB
C++
46 lines
1.1 KiB
C++
#pragma once
|
|
///@file
|
|
|
|
#include "lix/libcmd/installable-value.hh"
|
|
#include "lix/libexpr/eval-cache.hh"
|
|
#include "lix/libstore/outputs-spec.hh"
|
|
#include "lix/libcmd/command.hh"
|
|
#include "lix/libcmd/common-eval-args.hh"
|
|
#include "lix/libexpr/eval.hh"
|
|
|
|
namespace nix {
|
|
|
|
class InstallableAttrPath : public InstallableValue
|
|
{
|
|
SourceExprCommand & cmd;
|
|
RootValue v;
|
|
std::string attrPath;
|
|
ExtendedOutputsSpec extendedOutputsSpec;
|
|
|
|
InstallableAttrPath(
|
|
ref<eval_cache::CachingEvaluator> state,
|
|
SourceExprCommand & cmd,
|
|
Value & v,
|
|
const std::string & attrPath,
|
|
ExtendedOutputsSpec extendedOutputsSpec
|
|
);
|
|
|
|
std::string what() const override { return attrPath; };
|
|
|
|
std::pair<Value, PosIdx> toValue(EvalState & state) override;
|
|
|
|
DerivedPathsWithInfo toDerivedPaths(EvalState & state) override;
|
|
|
|
public:
|
|
|
|
static InstallableAttrPath parse(
|
|
ref<eval_cache::CachingEvaluator> state,
|
|
SourceExprCommand & cmd,
|
|
Value & v,
|
|
std::string_view prefix,
|
|
ExtendedOutputsSpec extendedOutputsSpec
|
|
);
|
|
};
|
|
|
|
}
|