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#pragma once
#include "eval.hh"
#include <string>
#include <map>
namespace nix {
struct DrvInfo
{
public:
typedef std::map<string, Path> Outputs;
private:
EvalState * state;
mutable string name;
mutable string system;
mutable string drvPath;
mutable string outPath;
mutable string outputName;
Outputs outputs;
bool failed = false; // set if we get an AssertionError
Bindings * attrs = nullptr, * meta = nullptr;
Bindings * getMeta();
bool checkMeta(Value & v);
public:
string attrPath; /* path towards the derivation */
DrvInfo(EvalState & state) : state(&state) { };
DrvInfo(EvalState & state, const string & attrPath, Bindings * attrs);
DrvInfo(EvalState & state, ref<Store> store, const std::string & drvPathWithOutputs);
string queryName() const;
string querySystem() const;
string queryDrvPath() const;
string queryOutPath() const;
string queryOutputName() const;
/** Return the list of outputs. The "outputs to install" are determined by `meta.outputsToInstall`. */
Outputs queryOutputs(bool onlyOutputsToInstall = false);
StringSet queryMetaNames();
Value * queryMeta(const string & name);
string queryMetaString(const string & name);
NixInt queryMetaInt(const string & name, NixInt def);
NixFloat queryMetaFloat(const string & name, NixFloat def);
bool queryMetaBool(const string & name, bool def);
void setMeta(const string & name, Value * v);
/*
MetaInfo queryMetaInfo(EvalState & state) const;
MetaValue queryMetaInfo(EvalState & state, const string & name) const;
*/
void setName(const string & s) { name = s; }
void setDrvPath(const string & s) { drvPath = s; }
void setOutPath(const string & s) { outPath = s; }
void setFailed() { failed = true; };
bool hasFailed() { return failed; };
};
#if HAVE_BOEHMGC
typedef list<DrvInfo, traceable_allocator<DrvInfo> > DrvInfos;
#else
typedef list<DrvInfo> DrvInfos;
#endif
/* If value `v' denotes a derivation, return a DrvInfo object
describing it. Otherwise return nothing. */
std::experimental::optional<DrvInfo> getDerivation(EvalState & state,
Value & v, bool ignoreAssertionFailures);
void getDerivations(EvalState & state, Value & v, const string & pathPrefix,
Bindings & autoArgs, DrvInfos & drvs,
bool ignoreAssertionFailures);
}
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