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Encode types using 5 bits

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This is needed to support more than the current 16 types.
This commit is contained in:
Orivej Desh 2019-10-12 03:22:27 +00:00 committed by Victor Zverovich
parent b55551f900
commit dd11d45847
1 changed files with 4 additions and 4 deletions
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8
include/fmt/core.h
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@ -889,7 +889,7 @@ using mapped_type_constant =
typename Context::char_type>;
// Maximum number of arguments with packed types.
enum { max_packed_args = 15 };
enum { max_packed_args = 12 };
enum : unsigned long long { is_unpacked_bit = 1ull << 63 };
template <typename Context> class arg_map;
@ -1052,7 +1052,7 @@ template <typename> constexpr unsigned long long encode_types() { return 0; }
template <typename Context, typename Arg, typename... Args>
constexpr unsigned long long encode_types() {
return mapped_type_constant<Arg, Context>::value |
(encode_types<Context, Args...>() << 4);
(encode_types<Context, Args...>() << 5);
}
template <typename Context, typename T>
@ -1197,8 +1197,8 @@ template <typename Context> class basic_format_args {
bool is_packed() const { return (types_ & internal::is_unpacked_bit) == 0; }
internal::type type(int index) const {
int shift = index * 4;
return static_cast<internal::type>((types_ & (0xfull << shift)) >> shift);
int shift = index * 5;
return static_cast<internal::type>((types_ >> shift) & 0x1f);
}
friend class internal::arg_map<Context>;