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Named arguments go brrr

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This commit is contained in:
Victor Zverovich 2020-05-09 12:56:35 -07:00
parent de290f5c4c
commit 02a6fe59fb
3 changed files with 10 additions and 23 deletions
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31
include/fmt/core.h
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@ -814,7 +814,6 @@ template <typename... Args> constexpr size_t count_named_args() {
enum class type {
none_type,
named_arg_type, // DEPRECATED
// Integer types should go first,
int_type,
uint_type,
@ -1085,7 +1084,7 @@ using mapped_type_constant =
type_constant<decltype(arg_mapper<Context>().map(std::declval<const T&>())),
typename Context::char_type>;
enum { packed_arg_bits = 5 };
enum { packed_arg_bits = 4 };
// Maximum number of arguments with packed types.
enum { max_packed_args = 62 / packed_arg_bits };
enum : unsigned long long { is_unpacked_bit = 1ULL << 63 };
@ -1160,9 +1159,6 @@ FMT_CONSTEXPR auto visit_format_arg(Visitor&& vis,
switch (arg.type_) {
case internal::type::none_type:
break;
case internal::type::named_arg_type:
FMT_ASSERT(false, "invalid argument type");
break;
case internal::type::int_type:
return vis(arg.value_.int_value);
case internal::type::uint_type:
@ -1655,19 +1651,6 @@ template <typename Context> class basic_format_args {
basic_format_args(unsigned long long desc, const format_arg* args)
: desc_(desc), args_(args) {}
format_arg do_get(int index) const {
format_arg arg;
if (!is_packed()) {
if (index < max_size()) arg = args_[index];
return arg;
}
if (index >= internal::max_packed_args) return arg;
arg.type_ = type(index);
if (arg.type_ == internal::type::none_type) return arg;
arg.value_ = values_[index];
return arg;
}
public:
basic_format_args() : desc_(0) {}
@ -1700,9 +1683,15 @@ template <typename Context> class basic_format_args {
/** Returns the argument with the specified id. */
format_arg get(int id) const {
format_arg arg = do_get(id);
if (arg.type_ == internal::type::named_arg_type)
arg = arg.value_.named_arg->template deserialize<Context>();
format_arg arg;
if (!is_packed()) {
if (id < max_size()) arg = args_[id];
return arg;
}
if (id >= internal::max_packed_args) return arg;
arg.type_ = type(id);
if (arg.type_ == internal::type::none_type) return arg;
arg.value_ = values_[id];
return arg;
}

1
include/fmt/format.h
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@ -2919,7 +2919,6 @@ struct formatter<T, Char,
auto eh = ctx.error_handler();
switch (type) {
case internal::type::none_type:
case internal::type::named_arg_type:
FMT_ASSERT(false, "invalid argument type");
break;
case internal::type::int_type:

1
test/format
View File

@ -650,7 +650,6 @@ struct formatter {
auto eh = ctx.error_handler();
switch (type) {
case internal::type::none_type:
case internal::type::named_arg_type:
FMT_ASSERT(false, "invalid argument type");
break;
case internal::type::int_type: