93 lines
2.2 KiB
C++
93 lines
2.2 KiB
C++
#pragma once
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#include "eval.hh"
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#include <string>
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#include <map>
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namespace nix {
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struct DrvInfo
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{
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public:
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typedef std::map<string, Path> Outputs;
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private:
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EvalState * state;
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string drvPath;
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string outPath;
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string outputName;
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Outputs outputs;
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bool failed; // set if we get an AssertionError
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Bindings * attrs, * meta;
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Bindings * getMeta();
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bool checkMeta(Value & v);
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public:
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string name;
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string attrPath; /* path towards the derivation */
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string system;
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DrvInfo(EvalState & state) : state(&state), failed(false), attrs(0), meta(0) { };
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DrvInfo(EvalState & state, const string & name, const string & attrPath, const string & system, Bindings * attrs)
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: state(&state), failed(false), attrs(attrs), meta(0), name(name), attrPath(attrPath), system(system) { };
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string queryDrvPath();
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string queryOutPath();
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string queryOutputName();
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/** Return the list of outputs. The "outputs to install" are determined by `mesa.outputsToInstall`. */
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Outputs queryOutputs(bool onlyOutputsToInstall = false);
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StringSet queryMetaNames();
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Value * queryMeta(const string & name);
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string queryMetaString(const string & name);
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int queryMetaInt(const string & name, int def);
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bool queryMetaBool(const string & name, bool def);
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void setMeta(const string & name, Value * v);
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/*
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MetaInfo queryMetaInfo(EvalState & state) const;
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MetaValue queryMetaInfo(EvalState & state, const string & name) const;
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*/
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void setDrvPath(const string & s)
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{
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drvPath = s;
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}
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void setOutPath(const string & s)
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{
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outPath = s;
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}
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void setFailed() { failed = true; };
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bool hasFailed() { return failed; };
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};
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#if HAVE_BOEHMGC
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typedef list<DrvInfo, traceable_allocator<DrvInfo> > DrvInfos;
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#else
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typedef list<DrvInfo> DrvInfos;
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#endif
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/* If value `v' denotes a derivation, store information about the
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derivation in `drv' and return true. Otherwise, return false. */
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bool getDerivation(EvalState & state, Value & v, DrvInfo & drv,
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bool ignoreAssertionFailures);
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void getDerivations(EvalState & state, Value & v, const string & pathPrefix,
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Bindings & autoArgs, DrvInfos & drvs,
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bool ignoreAssertionFailures);
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}
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