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Add versioned, ABI-tagged inline namespace and namespace macros (#3590)

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* Add versioned inline namespace

Add a versioned inline namespace to prevent ABI issues when linking code
using multiple library versions.

* Add namespace macros

* Encode ABI information in inline namespace

Add _diag suffix to inline namespace if JSON_DIAGNOSTICS is enabled, and
_ldvcmp suffix if JSON_USE_LEGACY_DISCARDED_VALUE_COMPARISON is enabled.

* Move ABI-affecting macros into abi_macros.hpp

* Move std_fs namespace definition into std_fs.hpp

* Remove std_fs namespace from unit test

* Format more files in tests directory

* Add unit tests

* Update documentation

* Fix GDB pretty printer

* fixup! Add namespace macros

* Derive ABI prefix from NLOHMANN_JSON_VERSION_*
This commit is contained in:
Florian Albrechtskirchinger
2022-07-30 21:59:13 +02:00
committed by GitHub
parent fca1ddda96
commit d909f80960
72 changed files with 23116 additions and 561 deletions
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8
include/nlohmann/json_fwd.hpp
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@ -15,13 +15,15 @@
#include <string> // string
#include <vector> // vector
#include <nlohmann/detail/abi_macros.hpp>
/*!
@brief namespace for Niels Lohmann
@see https://github.com/nlohmann
@since version 1.0.0
*/
namespace nlohmann
{
NLOHMANN_JSON_NAMESPACE_BEGIN
/*!
@brief default JSONSerializer template argument
@ -67,6 +69,6 @@ struct ordered_map;
/// @sa https://json.nlohmann.me/api/ordered_json/
using ordered_json = basic_json<nlohmann::ordered_map>;
} // namespace nlohmann
NLOHMANN_JSON_NAMESPACE_END
#endif // INCLUDE_NLOHMANN_JSON_FWD_HPP_