context.hh

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#pragma once
 
#include "lix/libutil/comparator.hh"
#include "lix/libstore/derived-path.hh"
#include "lix/libutil/variant-wrapper.hh"
 
namespace nix {
 
class BadNixStringContextElem : public Error
{
public:
    std::string_view raw;
 
    template<typename... Args>
    BadNixStringContextElem(std::string_view raw_, const Args & ... args)
        : Error("")
    {
        raw = raw_;
        auto hf = HintFmt(args...);
        err.msg = HintFmt("Bad String Context element: %1%: %2%", Uncolored(hf.str()), raw);
    }
};
 
struct NixStringContextElem {
    using Opaque = SingleDerivedPath::Opaque;

    struct DrvDeep {
        StorePath drvPath;
 
        GENERATE_CMP(DrvDeep, me->drvPath);
    };

    using Built = SingleDerivedPath::Built;
 
    using Raw = std::variant<
        Opaque,
        DrvDeep,
        Built
    >;
 
    Raw raw;
 
    GENERATE_CMP(NixStringContextElem, me->raw);
 
    MAKE_WRAPPER_CONSTRUCTOR(NixStringContextElem);

    static NixStringContextElem parse(
        std::string_view s,
        const ExperimentalFeatureSettings & xpSettings = experimentalFeatureSettings);
    std::string to_string() const;
};
 
typedef std::set<NixStringContextElem> NixStringContext;
 
}