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json_view: fix GCC useless-cast, MSVC C4127, and MinGW object size

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- drop the redundant int cast of the promoted uint16_t shift (-Wuseless-cast)
- route the constant part of the float-pair condition through enabled() (C4127)
- split unit-json_view_dump.cpp in three files for the MinGW assembler

Signed-off-by: Niels Lohmann <mail@nlohmann.me>
This commit is contained in:
Niels Lohmann committed 2026-10-25 10:45:57 +01:00
1 parent e7d245db7e
commit afea570755
5 files changed
+854 -771
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include/nlohmann/detail/view/serializer.hpp
+2 -2
View File
@@ -1001,7 +1001,7 @@ class view_serializer
const bool object = n->kind == static_cast<std::uint8_t>(value_t::object);
// (read-only documents, compact output) a pair of floats,
// like the coordinates of GeoJSON, without a frame
if (!Editable && !Pretty && !SourceNumbers && enabled(fast_double::value) && n->next == 3 && n->len == 2
if (enabled(!Editable && !Pretty && !SourceNumbers && fast_double::value) && n->next == 3 && n->len == 2
&& n[1].kind == static_cast<std::uint8_t>(value_t::number_float) && n[2].kind == static_cast<std::uint8_t>(value_t::number_float))
{
room(2 * 64);
@@ -1313,7 +1313,7 @@ class view_serializer
*/
NLOHMANN_VIEW_NOINLINE char* write_carried_digits(char* w, const node& n, std::uint64_t digits) const noexcept
{
const int exponent = -static_cast<int>(n.extra >> 8u);
const int exponent = -(n.extra >> 8u);
const std::uint64_t leading = digits / 10;
const auto last = static_cast<unsigned char>(digits - (leading * 10));
const bool seventeen = digits >= 10000000000000000u;