diag.hpp

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#pragma once

 
namespace welder::inline v0::diag {

struct lang_out_of_mask_range {
    const char* what =
        "welder: this lang value is not a language-mask bit index (it lies "
        "past the 32-bit mask); mint user languages with "
        "welder::user_lang<Slot>, which cannot go out of range";
};

struct dangling_return_policy {
    const char* what =
        "welder: return_policy requests a reference-category policy "
        "(rv::reference / rv::reference_internal) on a callable returning BY "
        "VALUE - the target-language view would reference a destroyed "
        "temporary; drop the policy, or return a pointer/reference";
};

struct bare_mark_only {
    const char* what =
        "welder: a bare [[=welder::mark::only]] is meaningless ('only, for "
        "every language' restricts nothing); call it with the languages the "
        "member may bind for: mark::only(welder::lang::py, ...)";
};

struct no_matching_virtual_slot {
    const char* what =
        "welder: no overridable virtual of this class matches the given name "
        "and function type; check the spelling and the FULL function type - "
        "parameter types and trailing cv/ref qualifiers included - against "
        "the base's declaration";
};

struct stale_hook_signature {
    const char* what =
        "welder: this resolution's protected_participates hook gained a "
        "trailing `std::meta::info bound_into` parameter (the entity whose "
        "binding receives the member); update its signature to "
        "(mem, lang, bound_into)";
};
 
} // namespace welder::inline v0::diag