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#ifndef RBIMPL_ATTR_DEPRECATED_H /*-*-C++-*-vi:se ft=cpp:*/ #define RBIMPL_ATTR_DEPRECATED_H /** * @file * @author Ruby developers <ruby-core@ruby-lang.org> * @copyright This file is a part of the programming language Ruby. * Permission is hereby granted, to either redistribute and/or * modify this file, provided that the conditions mentioned in the * file COPYING are met. Consult the file for details. * @warning Symbols prefixed with either `RBIMPL` or `rbimpl` are * implementation details. Don't take them as canon. They could * rapidly appear then vanish. The name (path) of this header file * is also an implementation detail. Do not expect it to persist * at the place it is now. Developers are free to move it anywhere * anytime at will. * @note To ruby-core: remember that this header can be possibly * recursively included from extension libraries written in C++. * Do not expect for instance `__VA_ARGS__` is always available. * We assume C99 for ruby itself but we don't assume languages of * extension libraries. They could be written in C++98. * @brief Defines #RBIMPL_ATTR_DEPRECATED. */ #include "ruby/internal/compiler_since.h" #include "ruby/internal/has/attribute.h" #include "ruby/internal/has/c_attribute.h" #include "ruby/internal/has/cpp_attribute.h" #include "ruby/internal/has/declspec_attribute.h" #include "ruby/internal/has/extension.h" /** Wraps (or simulates) `[[deprecated]]` */ #if defined(__COVERITY__) /* Coverity Scan emulates gcc but seems not to support this attribute correctly */ # define RBIMPL_ATTR_DEPRECATED(msg) #elif RBIMPL_HAS_EXTENSION(attribute_deprecated_with_message) # define RBIMPL_ATTR_DEPRECATED(msg) __attribute__((__deprecated__ msg)) #elif defined(__cplusplus) && RBIMPL_COMPILER_SINCE(GCC, 10, 1, 0) && RBIMPL_COMPILER_BEFORE(GCC, 10, 3, 0) # /* https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95302 */ # define RBIMPL_ATTR_DEPRECATED(msg) /* disable until they fix this bug */ #elif RBIMPL_COMPILER_SINCE(GCC, 4, 5, 0) # define RBIMPL_ATTR_DEPRECATED(msg) __attribute__((__deprecated__ msg)) #elif RBIMPL_COMPILER_SINCE(Intel, 13, 0, 0) # define RBIMPL_ATTR_DEPRECATED(msg) __attribute__((__deprecated__ msg)) #elif RBIMPL_HAS_ATTRIBUTE(deprecated) /* but not with message. */ # define RBIMPL_ATTR_DEPRECATED(msg) __attribute__((__deprecated__)) #elif RBIMPL_COMPILER_SINCE(MSVC, 14, 0, 0) # define RBIMPL_ATTR_DEPRECATED(msg) __declspec(deprecated msg) #elif RBIMPL_HAS_DECLSPEC_ATTRIBUTE(deprecated) # define RBIMPL_ATTR_DEPRECATED(msg) __declspec(deprecated) #elif RBIMPL_HAS_CPP_ATTRIBUTE(deprecated) # define RBIMPL_ATTR_DEPRECATED(msg) [[deprecated msg]] #elif RBIMPL_HAS_C_ATTRIBUTE(deprecated) # define RBIMPL_ATTR_DEPRECATED(msg) [[deprecated msg]] #else # define RBIMPL_ATTR_DEPRECATED(msg) /* void */ #endif /** This is when a function is used internally (for backwards compatibility * etc.), but extension libraries must consider it deprecated. */ #if defined(RUBY_EXPORT) # define RBIMPL_ATTR_DEPRECATED_EXT(msg) /* void */ #else # define RBIMPL_ATTR_DEPRECATED_EXT(msg) RBIMPL_ATTR_DEPRECATED(msg) #endif #endif /* RBIMPL_ATTR_DEPRECATED_H */