84 lines
1.5 KiB
C++
84 lines
1.5 KiB
C++
#ifndef __GET_DRVS_H
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#define __GET_DRVS_H
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#include "eval.hh"
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#include <string>
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#include <map>
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#include <boost/shared_ptr.hpp>
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namespace nix {
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struct MetaValue
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{
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enum { tpNone, tpString, tpStrings, tpInt } type;
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string stringValue;
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Strings stringValues;
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int intValue;
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};
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typedef std::map<string, MetaValue> MetaInfo;
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struct DrvInfo
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{
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private:
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string drvPath;
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string outPath;
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bool metaInfoRead;
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MetaInfo meta;
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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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/* !!! make this private */
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Bindings * attrs;
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DrvInfo() : metaInfoRead(false), attrs(0) { };
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string queryDrvPath(EvalState & state) const;
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string queryOutPath(EvalState & state) const;
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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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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 setMetaInfo(const MetaInfo & meta);
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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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void getDerivations(EvalState & state, Value & v, const string & pathPrefix,
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Bindings & autoArgs, DrvInfos & drvs);
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}
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#endif /* !__GET_DRVS_H */
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