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