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/*********************************************************************
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* \file MimallocImpl.cpp
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*
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* \author Romain BOULLARD
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* \date February 2026
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*********************************************************************/
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#if defined BIN2CPP_WINDOWS
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#pragma comment(linker, "/include:mi_version")
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#pragma warning(disable: 4100 4559)
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#elif defined BIN2CPP_LINUX
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#if defined(__GNUC__) && !defined(__llvm__) && !defined(__INTEL_COMPILER)
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#pragma GCC diagnostic push
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#pragma GCC diagnostic ignored "-Wunused-parameter"
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#else
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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Wunused-parameter"
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#endif
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#endif
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// Taken from mimalloc-new-delete.h
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// clang-format off
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// ----------------------------------------------------------------------------
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// This header provides convenient overrides for the new and
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// delete operations in C++.
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//
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// This header should be included in only one source file!
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//
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// On Windows, or when linking dynamically with mimalloc, these
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// can be more performant than the standard new-delete operations.
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// See <https://en.cppreference.com/w/cpp/memory/new/operator_new>
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// ---------------------------------------------------------------------------
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#if defined(__cplusplus)
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#include <new>
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#include <mimalloc.h>
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#if defined(_MSC_VER) && defined(_Ret_notnull_) && defined(_Post_writable_byte_size_)
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// stay consistent with VCRT definitions
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#define mi_decl_new(n) mi_decl_nodiscard mi_decl_restrict _Ret_notnull_ _Post_writable_byte_size_(n)
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#define mi_decl_new_nothrow(n) mi_decl_nodiscard mi_decl_restrict _Ret_maybenull_ _Success_(return != NULL) _Post_writable_byte_size_(n)
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#else
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#define mi_decl_new(n) mi_decl_nodiscard mi_decl_restrict
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#define mi_decl_new_nothrow(n) mi_decl_nodiscard mi_decl_restrict
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#endif
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void operator delete(void* p) noexcept { mi_free(p); };
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void operator delete[](void* p) noexcept { mi_free(p); };
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void operator delete (void* p, const std::nothrow_t&) noexcept { mi_free(p); }
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void operator delete[](void* p, const std::nothrow_t&) noexcept { mi_free(p); }
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mi_decl_new(n) void* operator new(std::size_t n) noexcept(false) { return mi_new(n); }
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mi_decl_new(n) void* operator new[](std::size_t n) noexcept(false) { return mi_new(n); }
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mi_decl_new_nothrow(n) void* operator new (std::size_t n, const std::nothrow_t& tag) noexcept { (void)(tag); return mi_new_nothrow(n); }
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mi_decl_new_nothrow(n) void* operator new[](std::size_t n, const std::nothrow_t& tag) noexcept { (void)(tag); return mi_new_nothrow(n); }
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// Not from mimalloc-new-delete.h, but necessary for EASTL
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void* operator new[](size_t size, const char* name, int flags, unsigned debugFlags, const char* file, int line) noexcept(false) { return mi_new(size); }
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#if (__cplusplus >= 201402L || _MSC_VER >= 1916)
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void operator delete (void* p, std::size_t n) noexcept { mi_free_size(p,n); };
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void operator delete[](void* p, std::size_t n) noexcept { mi_free_size(p,n); };
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#endif
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#if (__cplusplus > 201402L || defined(__cpp_aligned_new))
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void operator delete (void* p, std::align_val_t al) noexcept { mi_free_aligned(p, static_cast<size_t>(al)); }
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void operator delete[](void* p, std::align_val_t al) noexcept { mi_free_aligned(p, static_cast<size_t>(al)); }
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void operator delete (void* p, std::size_t n, std::align_val_t al) noexcept { mi_free_size_aligned(p, n, static_cast<size_t>(al)); };
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void operator delete[](void* p, std::size_t n, std::align_val_t al) noexcept { mi_free_size_aligned(p, n, static_cast<size_t>(al)); };
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void operator delete (void* p, std::align_val_t al, const std::nothrow_t&) noexcept { mi_free_aligned(p, static_cast<size_t>(al)); }
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void operator delete[](void* p, std::align_val_t al, const std::nothrow_t&) noexcept { mi_free_aligned(p, static_cast<size_t>(al)); }
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void* operator new (std::size_t n, std::align_val_t al) noexcept(false) { return mi_new_aligned(n, static_cast<size_t>(al)); }
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void* operator new[](std::size_t n, std::align_val_t al) noexcept(false) { return mi_new_aligned(n, static_cast<size_t>(al)); }
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void* operator new (std::size_t n, std::align_val_t al, const std::nothrow_t&) noexcept { return mi_new_aligned_nothrow(n, static_cast<size_t>(al)); }
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void* operator new[](std::size_t n, std::align_val_t al, const std::nothrow_t&) noexcept { return mi_new_aligned_nothrow(n, static_cast<size_t>(al)); }
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// Not from mimalloc-new-delete.h, but necessary for EASTL
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void* operator new[](size_t size, size_t alignment, size_t alignmentOffset, const char* pName, int flags, unsigned debugFlags, const char* file, int line) noexcept(false) { return mi_new_aligned(size, alignment); }
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#endif
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#endif
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// clang-format on
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#if defined BIN2CPP_WINDOWS
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#pragma warning(default: 4100 4559)
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#elif defined BIN2CPP_LINUX
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#if defined(__GNUC__) && !defined(__llvm__) && !defined(__INTEL_COMPILER)
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#pragma GCC diagnostic pop
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#else
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#pragma clang diagnostic pop
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#endif
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#endif
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