leavelet/fmt
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Make map static

Browse Source
This commit is contained in:
Victor Zverovich
2024-09-01 09:18:47 -07:00
parent 4a55b0d5fd
commit 985c3399d1
3 changed files with 20 additions and 20 deletions
Download Patch File Download Diff File Expand all files Collapse all files
include/fmt/base.h
+14 -13
View File
@@ -1473,7 +1473,7 @@ template <typename T>
struct has_format_as
: bool_constant<!std::is_same<format_as_t<T>, void>::value> {};
#define FMT_MAP_API FMT_CONSTEXPR FMT_ALWAYS_INLINE
#define FMT_MAP_API static FMT_CONSTEXPR FMT_ALWAYS_INLINE
// Maps formatting arguments to reduce the set of types we need to work with.
// Returns unformattable* on errors to be SFINAE-friendly.
@@ -1615,7 +1615,7 @@ template <typename Context> struct arg_mapper {
// A type constant after applying arg_mapper<Context>.
template <typename T, typename Context>
using mapped_type_constant =
type_constant<decltype(arg_mapper<Context>().map(std::declval<const T&>())),
type_constant<decltype(arg_mapper<Context>::map(std::declval<const T&>())),
typename Context::char_type>;
template <typename T, typename Context,
@@ -1697,7 +1697,7 @@ struct type_is_unformattable_for;
template <bool PACKED, typename Context, typename T, FMT_ENABLE_IF(PACKED)>
FMT_CONSTEXPR auto make_arg(T& val) -> value<Context> {
using arg_type = remove_cvref_t<decltype(arg_mapper<Context>().map(val))>;
using arg_type = remove_cvref_t<decltype(arg_mapper<Context>::map(val))>;
// Use enum instead of constexpr because the latter may generate code.
enum {
@@ -1725,7 +1725,7 @@ FMT_CONSTEXPR auto make_arg(T& val) -> value<Context> {
formattable,
"Cannot format an argument. To make type T formattable provide a "
"formatter<T> specialization: https://fmt.dev/latest/api.html#udt");
return {arg_mapper<Context>().map(val)};
return {arg_mapper<Context>::map(val)};
}
template <typename Context, typename T>
@@ -1783,7 +1783,7 @@ struct format_arg_store {
named_arg_info<typename Context::char_type> named_args[NUM_NAMED_ARGS];
template <typename... T>
FMT_MAP_API format_arg_store(T&... values)
FMT_CONSTEXPR FMT_ALWAYS_INLINE format_arg_store(T&... values)
: args{{named_args, NUM_NAMED_ARGS},
make_arg<NUM_ARGS <= max_packed_args, Context>(values)...} {
using dummy = int[];
@@ -2088,9 +2088,10 @@ template <typename Char>
using buffered_context = basic_format_context<basic_appender<Char>, Char>;
template <typename T, typename Char = char>
using is_formattable = bool_constant<!std::is_base_of<
detail::unformattable, decltype(detail::arg_mapper<buffered_context<Char>>()
.map(std::declval<T&>()))>::value>;
using is_formattable = bool_constant<
!std::is_base_of<detail::unformattable,
decltype(detail::arg_mapper<buffered_context<Char>>::map(
std::declval<T&>()))>::value>;
#if FMT_USE_CONCEPTS
template <typename T, typename Char = char>
@@ -2843,13 +2844,13 @@ FMT_VISIBILITY("hidden") // Suppress an ld warning on macOS (#3769).
FMT_CONSTEXPR auto parse_format_specs(parse_context<Char>& ctx)
-> decltype(ctx.begin()) {
using mapper = arg_mapper<buffered_context<Char>>;
using mapped = remove_cvref_t<decltype(mapper().map(std::declval<T&>()))>;
using mapped_type = remove_cvref_t<decltype(mapper::map(std::declval<T&>()))>;
#if defined(__cpp_if_constexpr)
if constexpr (std::is_default_constructible<formatter<mapped, Char>>())
return formatter<mapped, Char>().parse(ctx);
return ctx.begin(); // Ignore the error - it is reported by make_format_args.
if constexpr (std::is_default_constructible<formatter<mapped_type, Char>>())
return formatter<mapped_type, Char>().parse(ctx);
return ctx.begin(); // Ignore the error - it is reported by make_format_args.
#else
return formatter<mapped, Char>().parse(ctx);
return formatter<mapped_type, Char>().parse(ctx);
#endif
}