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66 Commits

Author SHA1 Message Date
egorkaa
cde18a38bb
Support width and alignment in std::exception formatter (#4860) 
* Support width and alignment in std::exception formatter

The formatter for std::exception (and std::exception_ptr) previously
accepted only the optional 't' type-name specifier, so standard fill,
align and width specifiers were rejected with "unknown format
specifier". This made it impossible to pad or align exception messages,
e.g. when laying them out in a log column.

Parse the standard fill/align/width specifiers (as the std::filesystem::
path formatter already does) and apply them when writing the message.
Dynamic width ({:{}}) and the 'none'/'unknown exception' cases for
exception_ptr are handled too. Existing behavior ({}, {:t}, nested
exception unwinding) is unchanged.

* Update std.h
 2026-08-13 11:00:46 -07:00
Victor Zverovich
b5d1e5404b Annotate FMT_USE_RTTI #endif directives 
Add trailing "// FMT_USE_RTTI" comments to the matching #endif lines to make
the conditional-compilation blocks easier to follow.
 2026-07-17 12:12:25 -07:00
Avi Kivity
1a99c2630c
Format nested exceptions in std::exception formatter (#4844) 
Detect when a std::exception also derives from std::nested_exception
(e.g. via std::throw_with_nested) and unwind the whole chain, joining
each level with ": ". The type-name flag ({:t}) is honored at every
level, and the std::exception_ptr formatter inherits this behavior.

Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
 2026-07-12 08:50:10 -07:00
Victor Zverovich
9d13c41ce6 Format null std::exception_ptr as "none" 
Change the null exception_ptr representation from "nullptr" to "none" to
convey the "no exception" state more clearly, and update the test.
 2026-07-11 08:21:32 -07:00
Jan
6dac6cad05
feat: add formatter for std::exception_ptr (#4808) (#4819) 2026-07-05 09:22:18 -07:00
Victor Zverovich
46cf422f54 Unify copyright notices 2026-05-31 08:54:06 -07:00
Stéén
b35de87ad9
std.h: Allow formatting std::unexpected type. (#4675) 
In some cases, people might want to format the std::unexpected type itself,
independent of the value type, this commit makes it possible.

Co-authored-by: Robin Oger <robin.oger.work@gmail.com>
 2026-02-11 15:06:59 -08:00
Victor Zverovich
eb99f6eba6 Move std::byte formatter to std.h 2026-02-03 10:16:20 -08:00
Victor Zverovich
3f98b54bd7 Move _BitInt next to bitref formatter 2026-02-02 17:08:10 -08:00
Victor Zverovich
1122268510 Make path formatting lossless with WTF-8 2025-11-05 10:59:06 -10:00
Victor Zverovich
08d38d6e78 Make error_code formatter debug-enabled 2025-10-19 10:35:45 -07:00
Vladislav Shchapov
85f6ecc7a0
Add format_as support for std::variant and std::expected formatters (#4575) 
Signed-off-by: Vladislav Shchapov <vladislav@shchapov.ru>
 2025-10-18 14:05:21 -07:00
Oleksandr Koval
486e7ba579
support std::optional holding cv-qualified types (#4562) 
Fixes #4561
 2025-10-03 04:40:44 -07:00
Victor Zverovich
07885271a1 Minor cleanup 2025-05-11 07:54:23 -07:00
Jeremy Rifkin
4999416e5c
Fix reference_wrapper ambiguity with format_as (#4434) 2025-05-10 11:15:45 -07:00
Victor Zverovich
c936e2e44e Implement debug format for error_code 2025-04-27 09:06:17 -07:00
Victor Zverovich
a7d7b894cd Implement the s specifier for error_code 2025-04-27 08:51:18 -07:00
Victor Zverovich
191c504b10 Cleanup build config 2025-03-16 08:24:31 -07:00
timsong-cpp
f841ae61e2
Fix #4303: avoid instantiating formatter<const T> (#4325) 2025-01-24 10:53:10 -08:00
Vladislav Shchapov
dad3237514 Fix a bug when copying the fill from basic_specs 
Signed-off-by: Vladislav Shchapov <vladislav@shchapov.ru>
 2025-01-03 09:16:21 -08:00
Victor Zverovich
3b70966df5 Add width and alignment support to error_code 2024-09-21 07:58:03 -07:00
Yedidya Feldblum
07e70151d5 format std::reference_wrapper 2024-09-16 19:05:18 -07:00
Vladislav Shchapov
22d50c1a9c Add support formatting std::expected<void, E> 
Signed-off-by: Vladislav Shchapov <vladislav@shchapov.ru>
 2024-09-04 12:31:44 -07:00
Victor Zverovich
377cf203e3 Add opt out for built-in types 2024-08-29 11:21:29 -07:00
Vladislav Shchapov
d326c7298a
Fix conversion a surrogate pair (#4095) 
Signed-off-by: Vladislav Shchapov <vladislav@shchapov.ru>
 2024-07-30 07:27:11 -07:00
Vladislav Shchapov
a96259701e
Improve std::complex formatter (#4050) 
Signed-off-by: Vladislav Shchapov <vladislav@shchapov.ru>
 2024-07-04 17:24:01 -07:00
Matthias Moulin
728f9bc388
Added std::type_info formatter (#3978) 
* Added std::type_info formatter;
* Reused std::type_info formatter in std::exception formatters;
* Updated MSVC std::type_info outputting to exclude all class, struct and enum occurences.
 2024-05-28 10:57:08 -07:00
Vladislav Shchapov
45b772f85c
Improve std::complex formatter to be compatible with P2197R0 (#3900) 
Signed-off-by: Vladislav Shchapov <vladislav@shchapov.ru>
 2024-03-20 13:31:32 -07:00
Victor Zverovich
c0dac83982 Use p2197 format for complex by default 2024-03-19 07:55:45 +09:00
Vladislav Shchapov
c710bfa10c Apply clang-format 
Signed-off-by: Vladislav Shchapov <vladislav@shchapov.ru>
 2024-03-17 15:26:18 -07:00
Vladislav Shchapov
73f2b344b2 Add std::complex formatter 
Signed-off-by: Vladislav Shchapov <vladislav@shchapov.ru>
 2024-03-17 15:26:18 -07:00
Dominic Pöschko
e5bab8dab4
added formatter for std::expected (#3834) 2024-02-03 09:06:15 -08:00
Victor Zverovich
fd87a23d34 Reduce memory dependency 2024-01-10 20:00:15 -08:00
Victor Zverovich
47c8f63d02 Remove redundant specifier 2023-12-28 07:32:07 -08:00
Victor Zverovich
f575089243 Simplify test 2023-12-01 08:52:42 -08:00
Félix-Antoine Constantin
99b9fbf8ef
Add formatter for std::source_location (#3730) 2023-11-30 10:05:56 -08:00
Victor Zverovich
04718008ab Minor cleanup 2023-11-30 07:43:31 -08:00
js324
b87ea22e29
Add native and generic representation for filesystem::path format spec (#3729) 2023-11-29 14:49:36 -08:00
Ole Bøe
864a8b5f38
fix: support optional<T> with format_as(T) (#3713) 
Formatting a std::optional<T> where T had a custom format_as(T) function failed to compile with clang,
due to set_debug_format being hidden by private inheritance. This fix makes the function available through a using clause.
 2023-11-16 15:02:33 -08:00
Victor Zverovich
bf497ac068 Cleanup test 2023-10-08 07:30:08 -07:00
Giel van Schijndel
f76603f21e
fix: make std::bitset formattable again (#3660) 
* fix: make std::bitset formattable again

It used to be formattable via operator<<(ostream&) implicitly. Make it
formattable again, but this time via formatter specialization.

* fix: make nested_formatter constexpr default constructible
 2023-10-03 09:53:47 -07:00
Alex Guteniev
9b74160817
atomic_flag formatting (#3594) 2023-08-25 08:06:10 -07:00
Zhanwei Wang
5a866fe852
Add formatter for std::atomic (#3574) 2023-08-14 08:34:31 -07:00
Vladislav Shchapov
aeb6ad4dd0
Added formatter for bit_reference-like types (#3570) 
* Add test for std::vector<bool>::reference

Co-authored-by: Felix <felix-antoine.constantin@polymtl.ca>
Signed-off-by: Vladislav Shchapov <vladislav@shchapov.ru>

* Add test for std::bitset<N>::reference

Signed-off-by: Vladislav Shchapov <vladislav@shchapov.ru>

* Add test for const std::bitset<N>::reference and const std::vector<bool>::reference

Signed-off-by: Vladislav Shchapov <vladislav@shchapov.ru>

* Add bit_reference-like formatter

Signed-off-by: Vladislav Shchapov <vladislav@shchapov.ru>

* Use std::addressof

Signed-off-by: Vladislav Shchapov <vladislav@shchapov.ru>

---------

Signed-off-by: Vladislav Shchapov <vladislav@shchapov.ru>
Co-authored-by: Felix <felix-antoine.constantin@polymtl.ca>
 2023-08-06 11:36:30 -07:00
Victor Zverovich
3dec65b7fd Use replacement character in path 2023-07-22 09:07:28 -07:00
Victor Zverovich
ac0ab8eff3 Improve path formatter 2023-07-20 17:49:12 -07:00
Victor Zverovich
1e0ce567ef Fix formatting of paths containing invalid Unicode 2023-05-07 10:05:15 -07:00
Victor Zverovich
b12ffea4fb Add filesystem_error test back 2023-05-06 07:49:46 -07:00
Victor Zverovich
02cae7e48a Improve handling of Unicode in paths 2023-04-30 09:58:59 -07:00
TheOmegaCarrot
d8e1c4265a
fix case of variant which is valueless by exception (#3347) 
Co-authored-by: theomegacarrot <theomegacarrot@gmail.com>
 2023-03-18 07:07:06 -07:00