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#ifndef INTERNAL_WARNINGS_H /* -*- C -*- */
#define INTERNAL_WARNINGS_H
/**
* @file
* @brief Internal header to suppress / mandate warnings.
* @author \@shyouhei
* @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.
*/
#include "internal/compilers.h" /* for MSC_VERSION_SINCE */
#if MSC_VERSION_SINCE(1200)
# /* Not sure exactly when but it seems VC++ 6.0 is a version with it.*/
# define COMPILER_WARNING_PUSH __pragma(warning(push))
# define COMPILER_WARNING_POP __pragma(warning(pop))
# define COMPILER_WARNING_ERROR(flag) __pragma(warning(error: flag))
# define COMPILER_WARNING_IGNORED(flag) __pragma(warning(disable: flag))
#elif defined(__clang__)
# /* Not sure exactly when but it seems LLVM 2.6.0 is a version with it. */
# define COMPILER_WARNING_PRAGMA0(x) _Pragma(# x)
# define COMPILER_WARNING_PRAGMA1(x) COMPILER_WARNING_PRAGMA0(clang diagnostic x)
# define COMPILER_WARNING_PRAGMA2(x, y) COMPILER_WARNING_PRAGMA1(x # y)
# define COMPILER_WARNING_PUSH COMPILER_WARNING_PRAGMA1(push)
# define COMPILER_WARNING_POP COMPILER_WARNING_PRAGMA1(pop)
# define COMPILER_WARNING_ERROR(flag) COMPILER_WARNING_PRAGMA2(error, flag)
# define COMPILER_WARNING_IGNORED(flag) COMPILER_WARNING_PRAGMA2(ignored, flag)
#elif GCC_VERSION_SINCE(4, 6, 0)
# /* https://gcc.gnu.org/onlinedocs/gcc-4.6.0/gcc/Diagnostic-Pragmas.html */
# define COMPILER_WARNING_PRAGMA0(x) _Pragma(# x)
# define COMPILER_WARNING_PRAGMA1(x) COMPILER_WARNING_PRAGMA0(GCC diagnostic x)
# define COMPILER_WARNING_PRAGMA2(x, y) COMPILER_WARNING_PRAGMA1(x # y)
# define COMPILER_WARNING_PUSH COMPILER_WARNING_PRAGMA1(push)
# define COMPILER_WARNING_POP COMPILER_WARNING_PRAGMA1(pop)
# define COMPILER_WARNING_ERROR(flag) COMPILER_WARNING_PRAGMA2(error, flag)
# define COMPILER_WARNING_IGNORED(flag) COMPILER_WARNING_PRAGMA2(ignored, flag)
#else
# /* :FIXME: improve here, for instace icc seems to have something? */
# define COMPILER_WARNING_PUSH /* void */
# define COMPILER_WARNING_POP /* void */
# define COMPILER_WARNING_ERROR(flag) /* void */
# define COMPILER_WARNING_IGNORED(flag) /* void */
#endif /* _MSC_VER */
#endif /* INTERNAL_WARNINGS_H */
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