forked from lix-project/lix
37d1b1cafd
packages (provided that they have a `meta.description' attribute). E.g., $ ./src/nix-env/nix-env -qa --description gcc gcc-4.0.2 GNU Compiler Collection, 4.0.x (cross-compiler for sparc-linux) gcc-4.0.2 GNU Compiler Collection, 4.0.x (cross-compiler for mips-linux) gcc-4.0.2 GNU Compiler Collection, 4.0.x (cross-compiler for arm-linux) gcc-4.0.2 GNU Compiler Collection, 4.0.x
54 lines
967 B
C++
54 lines
967 B
C++
#ifndef __GET_DRVS_H
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#define __GET_DRVS_H
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#include <string>
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#include <map>
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#include "eval.hh"
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typedef map<string, string> 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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public:
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string name;
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string system;
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ATermMap attrs;
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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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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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};
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typedef list<DrvInfo> DrvInfos;
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/* Evaluate expression `e'. If it evaluates to a derivation, store
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information about the derivation in `drv' and return true.
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Otherwise, return false. */
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bool getDerivation(EvalState & state, Expr e, DrvInfo & drv);
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void getDerivations(EvalState & state, Expr e, DrvInfos & drvs,
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const string & attrPath = "");
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#endif /* !__GET_DRVS_H */
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