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path: root/include/ruby/backward/2/long_long.h
blob: 29b930625e6ec96d3b92b76b65abc2c5a6aea0ef (plain)
 ```1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 ``` ``````/** \noop-*-C++-*-vi:ft=cpp * @file * @author Ruby developers * @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 `RUBY3` or `ruby3` 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 old #LONG_LONG * * No known compiler that can compile today's ruby lacks long long. * Historically MSVC was one of such compiler, but it implemented long long a * while ago (some time back in 2013). The macros are for backwards * compatibility only. */ #include "ruby/3/config.h" #if defined(LONG_LONG) # /* Take that. */ #elif RUBY3_HAS_WARNING("-Wc++11-long-long") # define HAVE_TRUE_LONG_LONG 1 # define LONG_LONG \ RUBY3_WARNING_PUSH() \ RUBY3_WARNING_IGNORED(-Wc++11-long-long) \ long long \ RUBY3_WARNING_POP() #elif RUBY3_HAS_WARNING("-Wlong-long") # define HAVE_TRUE_LONG_LONG 1 # define LONG_LONG \ RUBY3_WARNING_PUSH() \ RUBY3_WARNING_IGNORED(-Wlong-long) \ long long \ RUBY3_WARNING_POP() #elif defined(HAVE_LONG_LONG) # define HAVE_TRUE_LONG_LONG 1 # define LONG_LONG long long #elif SIZEOF___INT64 > 0 # define HAVE_LONG_LONG 1 # define LONG_LONG __int64 # undef SIZEOF_LONG_LONG # define SIZEOF_LONG_LONG SIZEOF___INT64 #else # error Hello! Ruby developers believe this message must not happen. # error If you encounter this message, can you file a bug report? # error Remember to attach a detailed description of your environment. # error Thank you! #endif ``````