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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>; typename Context::char_type>;
// Maximum number of arguments with packed types. // 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 }; enum : unsigned long long { is_unpacked_bit = 1ull << 63 };
template <typename Context> class arg_map; 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> template <typename Context, typename Arg, typename... Args>
constexpr unsigned long long encode_types() { constexpr unsigned long long encode_types() {
return mapped_type_constant<Arg, Context>::value | return mapped_type_constant<Arg, Context>::value |
(encode_types<Context, Args...>() << 4); (encode_types<Context, Args...>() << 5);
} }
template <typename Context, typename T> 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; } bool is_packed() const { return (types_ & internal::is_unpacked_bit) == 0; }
internal::type type(int index) const { internal::type type(int index) const {
int shift = index * 4; int shift = index * 5;
return static_cast<internal::type>((types_ & (0xfull << shift)) >> shift); return static_cast<internal::type>((types_ >> shift) & 0x1f);
} }
friend class internal::arg_map<Context>; friend class internal::arg_map<Context>;