Allow ruby versions 3.2 and 3.4 for installation
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112
libs/libruby/ruby/internal/dllexport.h
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112
libs/libruby/ruby/internal/dllexport.h
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#ifndef RBIMPL_DLLEXPORT_H /*-*-C++-*-vi:se ft=cpp:*/
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#define RBIMPL_DLLEXPORT_H
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/**
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* @file
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* @author Ruby developers <ruby-core@ruby-lang.org>
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* @copyright This file is a part of the programming language Ruby.
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* Permission is hereby granted, to either redistribute and/or
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* modify this file, provided that the conditions mentioned in the
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* file COPYING are met. Consult the file for details.
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* @warning Symbols prefixed with either `RBIMPL` or `rbimpl` are
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* implementation details. Don't take them as canon. They could
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* rapidly appear then vanish. The name (path) of this header file
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* is also an implementation detail. Do not expect it to persist
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* at the place it is now. Developers are free to move it anywhere
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* anytime at will.
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* @note To ruby-core: remember that this header can be possibly
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* recursively included from extension libraries written in C++.
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* Do not expect for instance `__VA_ARGS__` is always available.
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* We assume C99 for ruby itself but we don't assume languages of
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* extension libraries. They could be written in C++98.
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* @brief Tweaking visibility of C variables/functions.
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*/
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#include "ruby/internal/config.h"
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#include "ruby/internal/compiler_is.h"
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/**
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* Declaration of externally visible global variables. Here "externally" means
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* they should be visible from extension libraries. Depending on operating
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* systems (dynamic linkers, to be precise), global variables inside of a DLL
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* may or may not be visible form outside of that DLL by default. This
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* declaration manually tweaks that default and ensures the declared variable
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* be truly globally visible.
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*
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* ```CXX
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* extern VALUE foo; // hidden on some OS
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* RUBY_EXTERN VALUE foo; // ensure visible
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* ```
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*/
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#undef RUBY_EXTERN
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#if defined(MJIT_HEADER) && defined(_WIN32)
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# define RUBY_EXTERN extern __declspec(dllimport)
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#elif defined(RUBY_EXPORT)
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# define RUBY_EXTERN extern
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#elif defined(_WIN32)
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# define RUBY_EXTERN extern __declspec(dllimport)
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#else
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# define RUBY_EXTERN extern
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#endif
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#ifndef RUBY_SYMBOL_EXPORT_BEGIN
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# define RUBY_SYMBOL_EXPORT_BEGIN /* begin */
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#endif
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#ifndef RUBY_SYMBOL_EXPORT_END
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# define RUBY_SYMBOL_EXPORT_END /* end */
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#endif
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#ifndef RUBY_FUNC_EXPORTED
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# define RUBY_FUNC_EXPORTED /* void */
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#endif
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/**
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* @cond INTERNAL_MACRO
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*
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* These MJIT related macros are placed here because translate_mjit_header can
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* need them. Extension libraries should not touch.
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*/
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/* These macros are used for functions which are exported only for MJIT
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and NOT ensured to be exported in future versions. */
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#if ! defined(MJIT_HEADER)
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# define MJIT_FUNC_EXPORTED RUBY_FUNC_EXPORTED
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#elif ! RBIMPL_COMPILER_IS(MSVC)
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# define MJIT_FUNC_EXPORTED RUBY_FUNC_EXPORTED
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#else
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# define MJIT_FUNC_EXPORTED static
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#endif
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#define MJIT_SYMBOL_EXPORT_BEGIN RUBY_SYMBOL_EXPORT_BEGIN
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#define MJIT_SYMBOL_EXPORT_END RUBY_SYMBOL_EXPORT_END
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/* On mswin, MJIT header transformation can't be used since cl.exe can't output
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preprocessed output preserving macros. So this `MJIT_STATIC` is needed
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to force non-static function to static on MJIT header to avoid symbol conflict. */
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#ifdef MJIT_HEADER
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# define MJIT_STATIC static
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#else
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# define MJIT_STATIC
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#endif
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/** @endcond */
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/** Shortcut macro equivalent to `RUBY_SYMBOL_EXPORT_BEGIN extern "C" {`.
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* \@shyouhei finds it handy. */
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#if defined(__DOXYGEN__)
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# define RBIMPL_SYMBOL_EXPORT_BEGIN() /* void */
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#elif defined(__cplusplus)
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# define RBIMPL_SYMBOL_EXPORT_BEGIN() RUBY_SYMBOL_EXPORT_BEGIN extern "C" {
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#else
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# define RBIMPL_SYMBOL_EXPORT_BEGIN() RUBY_SYMBOL_EXPORT_BEGIN
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#endif
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/** Counterpart of #RBIMPL_SYMBOL_EXPORT_BEGIN */
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#if defined(__DOXYGEN__)
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# define RBIMPL_SYMBOL_EXPORT_END() /* void */
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#elif defined(__cplusplus)
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# define RBIMPL_SYMBOL_EXPORT_END() } RUBY_SYMBOL_EXPORT_END
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#else
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# define RBIMPL_SYMBOL_EXPORT_END() RUBY_SYMBOL_EXPORT_END
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#endif
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#endif /* RBIMPL_DLLEXPORT_H */
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