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decoder_detail: Support const member functions

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This commit is contained in:
MerryMage 2016-12-23 11:33:40 +00:00
parent 163b67bf1f
commit e9df248d56
1 changed files with 15 additions and 0 deletions
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15
src/frontend/decoder/decoder_detail.h
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@ -121,6 +121,21 @@ private:
};
}
};
template<typename Visitor, typename ...Args, typename CallRetT>
struct VisitorCaller<CallRetT(Visitor::*)(Args...) const> {
template<size_t ...iota>
static auto Make(std::integer_sequence<size_t, iota...>,
CallRetT (Visitor::* const fn)(Args...) const,
const std::array<opcode_type, sizeof...(iota)> arg_masks,
const std::array<size_t, sizeof...(iota)> arg_shifts) {
static_assert(std::is_same<visitor_type, const Visitor>::value, "Member function is not from Matcher's Visitor");
return [fn, arg_masks, arg_shifts](const Visitor& v, opcode_type instruction) {
(void)instruction;
return (v.*fn)(static_cast<Args>((instruction & arg_masks[iota]) >> arg_shifts[iota])...);
};
}
};
#ifdef _MSC_VER
#pragma warning(pop)
#endif