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https://github.com/NixOS/nix
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ad24921de8
It does not operate on a derivation and does not return a derivation path. Instead it works at the language level, where a distinct term "package" is more appropriate to distinguish the parent object of `meta.position`; an attribute which doesn't even make it into the derivation.
22 lines
497 B
C++
22 lines
497 B
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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MakeError(AttrPathNotFound, Error);
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MakeError(NoPositionInfo, Error);
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std::pair<Value *, Pos> findAlongAttrPath(EvalState & state, const string & attrPath,
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Bindings & autoArgs, Value & vIn);
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/* Heuristic to find the filename and lineno or a nix value. */
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Pos findPackageFilename(EvalState & state, Value & v, std::string what);
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std::vector<Symbol> parseAttrPath(EvalState & state, std::string_view s);
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}
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