mirror of
https://github.com/nlohmann/json.git
synced 2024-07-04 21:36:57 +02:00
d909f80960
* 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_*
72 lines
2.6 KiB
C++
72 lines
2.6 KiB
C++
#pragma once
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// This file contains all macro definitions affecting or depending on the ABI
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#ifndef JSON_SKIP_LIBRARY_VERSION_CHECK
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#if defined(NLOHMANN_JSON_VERSION_MAJOR) && defined(NLOHMANN_JSON_VERSION_MINOR) && defined(NLOHMANN_JSON_VERSION_PATCH)
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#if NLOHMANN_JSON_VERSION_MAJOR != 3 || NLOHMANN_JSON_VERSION_MINOR != 10 || NLOHMANN_JSON_VERSION_PATCH != 5
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#warning "Already included a different version of the library!"
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#endif
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#endif
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#endif
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#define NLOHMANN_JSON_VERSION_MAJOR 3 // NOLINT(modernize-macro-to-enum)
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#define NLOHMANN_JSON_VERSION_MINOR 10 // NOLINT(modernize-macro-to-enum)
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#define NLOHMANN_JSON_VERSION_PATCH 5 // NOLINT(modernize-macro-to-enum)
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#ifndef JSON_DIAGNOSTICS
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#define JSON_DIAGNOSTICS 0
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#endif
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#ifndef JSON_USE_LEGACY_DISCARDED_VALUE_COMPARISON
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#define JSON_USE_LEGACY_DISCARDED_VALUE_COMPARISON 0
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#endif
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#if JSON_DIAGNOSTICS
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#define NLOHMANN_JSON_ABI_TAG_DIAGNOSTICS _diag
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#else
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#define NLOHMANN_JSON_ABI_TAG_DIAGNOSTICS
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#endif
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#if JSON_USE_LEGACY_DISCARDED_VALUE_COMPARISON
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#define NLOHMANN_JSON_ABI_TAG_LEGACY_DISCARDED_VALUE_COMPARISON _ldvcmp
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#else
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#define NLOHMANN_JSON_ABI_TAG_LEGACY_DISCARDED_VALUE_COMPARISON
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#endif
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#define NLOHMANN_JSON_ABI_PREFIX_EX(major, minor, patch) \
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json_v ## major ## _ ## minor ## _ ## patch
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#define NLOHMANN_JSON_ABI_PREFIX(major, minor, patch) \
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NLOHMANN_JSON_ABI_PREFIX_EX(major, minor, patch)
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#define NLOHMANN_JSON_ABI_CONCAT_EX(a, b, c) a ## b ## c
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#define NLOHMANN_JSON_ABI_CONCAT(a, b, c) \
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NLOHMANN_JSON_ABI_CONCAT_EX(a, b, c)
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#define NLOHMANN_JSON_ABI_STRING \
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NLOHMANN_JSON_ABI_CONCAT( \
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NLOHMANN_JSON_ABI_PREFIX( \
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NLOHMANN_JSON_VERSION_MAJOR, \
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NLOHMANN_JSON_VERSION_MINOR, \
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NLOHMANN_JSON_VERSION_PATCH), \
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NLOHMANN_JSON_ABI_TAG_DIAGNOSTICS, \
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NLOHMANN_JSON_ABI_TAG_LEGACY_DISCARDED_VALUE_COMPARISON)
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#ifndef NLOHMANN_JSON_NAMESPACE
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#define NLOHMANN_JSON_NAMESPACE nlohmann::NLOHMANN_JSON_ABI_STRING
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#endif
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#ifndef NLOHMANN_JSON_NAMESPACE_BEGIN
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#define NLOHMANN_JSON_NAMESPACE_BEGIN \
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namespace nlohmann \
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{ \
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inline namespace NLOHMANN_JSON_ABI_STRING \
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{
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#endif
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#ifndef NLOHMANN_JSON_NAMESPACE_END
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#define NLOHMANN_JSON_NAMESPACE_END \
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} /* namespace (abi_string) */ \
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} /* namespace nlohmann */
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#endif
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