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ruby--ruby/internal/compilers.h

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split internal.h into files One day, I could not resist the way it was written. I finally started to make the code clean. This changeset is the beginning of a series of housekeeping commits. It is a simple refactoring; split internal.h into files, so that we can divide and concur in the upcoming commits. No lines of codes are either added or removed, except the obvious file headers/footers. The generated binary is identical to the one before.
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#ifndef INTERNAL_COMPILERS_H /* -*- C -*- */
#define INTERNAL_COMPILERS_H
/**
* @file
* @brief Internal header absorbing C compipler differences.
* @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.
*/
add several __has_something macro With these macros implemented we can write codes just like we can assume the compiler being clang. MSC_VERSION_SINCE is defined to implement those macros, but turned out to be handy for other places. The -fdeclspec compiler flag is necessary for clang to properly handle __has_declspec().
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#include "ruby/defines.h" /* for GCC_VERSION_SINCE */
#ifdef _MSC_VER
# define MSC_VERSION_SINCE(_) (_MSC_VER >= _)
# define MSC_VERSION_BEFORE(_) (_MSC_VER < _)
#else
# define MSC_VERSION_SINCE(_) 0
# define MSC_VERSION_BEFORE(_) 0
split internal.h into files One day, I could not resist the way it was written. I finally started to make the code clean. This changeset is the beginning of a series of housekeeping commits. It is a simple refactoring; split internal.h into files, so that we can divide and concur in the upcoming commits. No lines of codes are either added or removed, except the obvious file headers/footers. The generated binary is identical to the one before.
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#endif
add several __has_something macro With these macros implemented we can write codes just like we can assume the compiler being clang. MSC_VERSION_SINCE is defined to implement those macros, but turned out to be handy for other places. The -fdeclspec compiler flag is necessary for clang to properly handle __has_declspec().
2019-12-02 00:58:43 -05:00
#ifndef __has_attribute
# define __has_attribute(...) __has_attribute_##__VA_ARGS__
# /* GCC <= 4 lacks __has_attribute predefined macro, while has attributes
# * themselves. We can simulate the macro like the following: */
# define __has_attribute_aligned GCC_VERSION_SINCE(0, 0, 0)
# define __has_attribute_alloc_size GCC_VERSION_SINCE(4, 3, 0)
# define __has_attribute_artificial GCC_VERSION_SINCE(4, 3, 0)
# define __has_attribute_always_inline GCC_VERSION_SINCE(3, 1, 0)
# define __has_attribute_cdecl GCC_VERSION_SINCE(0, 0, 0)
# define __has_attribute_cold GCC_VERSION_SINCE(4, 3, 0)
# define __has_attribute_const GCC_VERSION_SINCE(2, 6, 0)
# define __has_attribute_deprecated GCC_VERSION_SINCE(3, 1, 0)
# define __has_attribute_dllexport GCC_VERSION_SINCE(0, 0, 0)
# define __has_attribute_dllimport GCC_VERSION_SINCE(0, 0, 0)
# define __has_attribute_error GCC_VERSION_SINCE(4, 3, 0)
# define __has_attribute_format GCC_VERSION_SINCE(0, 0, 0)
# define __has_attribute_hot GCC_VERSION_SINCE(4, 3, 0)
# define __has_attribute_leaf GCC_VERSION_SINCE(4, 6, 0)
# define __has_attribute_malloc GCC_VERSION_SINCE(3, 0, 0)
# define __has_attribute_no_address_safety_analysis GCC_VERSION_SINCE(4, 8, 0)
# define __has_attribute_no_sanitize_address GCC_VERSION_SINCE(4, 8, 0)
# define __has_attribute_no_sanitize_undefined GCC_VERSION_SINCE(4, 9, 0)
# define __has_attribute_noinline GCC_VERSION_SINCE(3, 1, 0)
# define __has_attribute_nonnull GCC_VERSION_SINCE(3, 3, 0)
# define __has_attribute_noreturn GCC_VERSION_SINCE(2, 5, 0)
# define __has_attribute_nothrow GCC_VERSION_SINCE(3, 3, 0)
# define __has_attribute_pure GCC_VERSION_SINCE(2, 96, 0)
# define __has_attribute_returns_nonnull GCC_VERSION_SINCE(4, 9, 0)
# define __has_attribute_returns_twice GCC_VERSION_SINCE(4, 1, 0)
# define __has_attribute_stdcall GCC_VERSION_SINCE(0, 0, 0)
# define __has_attribute_unused GCC_VERSION_SINCE(0, 0, 0)
# define __has_attribute_visibility GCC_VERSION_SINCE(3, 3, 0)
# define __has_attribute_visibility GCC_VERSION_SINCE(3, 3, 0)
# define __has_attribute_warn_unused_result GCC_VERSION_SINCE(3, 4, 0)
# define __has_attribute_warning GCC_VERSION_SINCE(4, 3, 0)
# define __has_attribute_weak GCC_VERSION_SINCE(0, 0, 0)
# /* Note that 0,0,0 might be inaccurate. */
#endif
#ifndef __has_c_attribute
# /* As of writing everything that lacks __has_c_attribute also completely
# * lacks C2x attributes as well. Might change in future? */
# define __has_c_attribute(...) 0
#endif
#ifndef __has_declspec_attribute
# define __has_declspec_attribute(...) __has_declspec_attribute_##__VA_ARGS__
# define __has_declspec_attribute_align MSC_VERSION_SINCE( 800)
# define __has_declspec_attribute_deprecated MSC_VERSION_SINCE(1300)
# define __has_declspec_attribute_dllexport MSC_VERSION_SINCE( 800)
# define __has_declspec_attribute_dllimport MSC_VERSION_SINCE( 800)
# define __has_declspec_attribute_noalias MSC_VERSION_SINCE( 800)
# define __has_declspec_attribute_noinline MSC_VERSION_SINCE(1300)
# define __has_declspec_attribute_noreturn MSC_VERSION_SINCE(1100)
# define __has_declspec_attribute_nothrow MSC_VERSION_SINCE( 800)
# define __has_declspec_attribute_restrict MSC_VERSION_SINCE( 800)
# /* Note that 800 might be inaccurate. */
#endif
#ifndef __has_builtin
# /* :FIXME: Historically GCC has had tons of builtins, but it implemented
# * __has_builtin only since GCC 10. This section can be made more
# * granular. */
# /* https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66970 */
internal/bits.h rework Improving readability by converting some macros into inline functions. Also improved support for recent x86_64 processors, which have better instructions for the purposes.
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# define __has_builtin(...) __has_builtin_##__VA_ARGS__
internal/fixnum.h rework Add #include lines, move FIXNUM_POSITIVE_P etc. from numeric.h.
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# define __has_builtin____builtin_add_overflow GCC_VERSION_SINCE(5, 1, 0)
internal/bits.h rework Improving readability by converting some macros into inline functions. Also improved support for recent x86_64 processors, which have better instructions for the purposes.
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# define __has_builtin____builtin_bswap16 GCC_VERSION_SINCE(4, 8, 0) /* http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52624 */
# define __has_builtin____builtin_bswap32 GCC_VERSION_SINCE(3, 6, 0)
# define __has_builtin____builtin_bswap64 GCC_VERSION_SINCE(3, 6, 0)
# define __has_builtin____builtin_clz GCC_VERSION_SINCE(3, 6, 0)
# define __has_builtin____builtin_clzl GCC_VERSION_SINCE(3, 6, 0)
# define __has_builtin____builtin_clzll GCC_VERSION_SINCE(3, 6, 0)
internal/string.h rework Reduced the number of macros defined in the file. Also made it explicit for MJIT_FUNC_EXPORTTED functions to be so.
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# define __has_builtin____builtin_constant_p GCC_VERSION_SINCE(2,95, 3)
internal/bits.h rework Improving readability by converting some macros into inline functions. Also improved support for recent x86_64 processors, which have better instructions for the purposes.
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# define __has_builtin____builtin_ctz GCC_VERSION_SINCE(3, 6, 0)
# define __has_builtin____builtin_ctzl GCC_VERSION_SINCE(3, 6, 0)
# define __has_builtin____builtin_ctzll GCC_VERSION_SINCE(3, 6, 0)
internal/fixnum.h rework Add #include lines, move FIXNUM_POSITIVE_P etc. from numeric.h.
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# define __has_builtin____builtin_mul_overflow GCC_VERSION_SINCE(5, 1, 0)
internal/bits.h rework Improving readability by converting some macros into inline functions. Also improved support for recent x86_64 processors, which have better instructions for the purposes.
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# define __has_builtin____builtin_mul_overflow_p GCC_VERSION_SINCE(7, 0, 0)
# define __has_builtin____builtin_popcount GCC_VERSION_SINCE(3, 6, 0)
# define __has_builtin____builtin_popcountl GCC_VERSION_SINCE(3, 6, 0)
# define __has_builtin____builtin_popcountll GCC_VERSION_SINCE(3, 6, 0)
internal/fixnum.h rework Add #include lines, move FIXNUM_POSITIVE_P etc. from numeric.h.
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# define __has_builtin____builtin_sub_overflow GCC_VERSION_SINCE(5, 1, 0)
internal/bits.h rework Improving readability by converting some macros into inline functions. Also improved support for recent x86_64 processors, which have better instructions for the purposes.
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# /* Take config.h definition when available */
internal/fixnum.h rework Add #include lines, move FIXNUM_POSITIVE_P etc. from numeric.h.
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# ifdef HAVE_BUILTIN____BUILTIN_ADD_OVERFLOW
# undef __has_builtin____builtin_add_overflow
# define __has_builtin____builtin_add_overflow HAVE_BUILTIN____BUILTIN_ADD_OVERFLOW
# endif
internal/bits.h rework Improving readability by converting some macros into inline functions. Also improved support for recent x86_64 processors, which have better instructions for the purposes.
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# ifdef HAVE_BUILTIN____BUILTIN_BSWAP16
# undef __has_builtin____builtin_bswap16
# define __has_builtin____builtin_bswap16 HAVE_BUILTIN____BUILTIN_BSWAP16
# endif
# ifdef HAVE_BUILTIN____BUILTIN_BSWAP32
# undef __has_builtin____builtin_bswap32
# define __has_builtin____builtin_bswap16 HAVE_BUILTIN____BUILTIN_BSWAP32
# endif
# ifdef HAVE_BUILTIN____BUILTIN_BSWAP64
# undef __has_builtin____builtin_bswap64
# define __has_builtin____builtin_bswap64 HAVE_BUILTIN____BUILTIN_BSWAP64
# endif
# ifdef HAVE_BUILTIN____BUILTIN_CLZ
# undef __has_builtin____builtin_clz
# define __has_builtin____builtin_clz HAVE_BUILTIN____BUILTIN_CLZ
# endif
# ifdef HAVE_BUILTIN____BUILTIN_CLZL
# undef __has_builtin____builtin_clzl
# define __has_builtin____builtin_clzl HAVE_BUILTIN____BUILTIN_CLZL
# endif
# ifdef HAVE_BUILTIN____BUILTIN_CLZLL
# undef __has_builtin____builtin_clzll
# define __has_builtin____builtin_clzll HAVE_BUILTIN____BUILTIN_CLZLL
# endif
internal/string.h rework Reduced the number of macros defined in the file. Also made it explicit for MJIT_FUNC_EXPORTTED functions to be so.
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# ifdef HAVE_BUILTIN____BUILTIN_CONSTANT_P
# undef __has_builtin____builtin_constant_p
# define __has_builtin____builtin_constant_p HAVE_BUILTIN____BUILTIN_CONSTANT_P
# endif
internal/bits.h rework Improving readability by converting some macros into inline functions. Also improved support for recent x86_64 processors, which have better instructions for the purposes.
2019-12-02 01:50:11 -05:00
# ifdef HAVE_BUILTIN____BUILTIN_CTZ
# undef __has_builtin____builtin_ctz
# define __has_builtin____builtin_ctz HAVE_BUILTIN____BUILTIN_CTZ
# endif
# ifdef HAVE_BUILTIN____BUILTIN_CTZL
# undef __has_builtin____builtin_ctzl
# define __has_builtin____builtin_ctzl HAVE_BUILTIN____BUILTIN_CTZL
# endif
# ifdef HAVE_BUILTIN____BUILTIN_CTZLL
# undef __has_builtin____builtin_ctzll
# define __has_builtin____builtin_ctzll HAVE_BUILTIN____BUILTIN_CTZLL
# endif
# ifdef HAVE_BUILTIN____BUILTIN_MUL_OVERFLOW
# undef __has_builtin____builtin_mul_overflow
# define __has_builtin____builtin_mul_overflow HAVE_BUILTIN____BUILTIN_MUL_OVERFLOW
# endif
# ifdef HAVE_BUILTIN____BUILTIN_MUL_OVERFLOW_P
# undef __has_builtin____builtin_mul_overflow_p
# define __has_builtin____builtin_mul_overflow_p HAVE_BUILTIN____BUILTIN_MUL_OVERFLOW_P
# endif
# ifdef HAVE_BUILTIN____BUILTIN_POPCOUNT
# undef __has_builtin____builtin_popcount
# define __has_builtin____builtin_popcount HAVE_BUILTIN____BUILTIN_POPCOUNT
# endif
# ifdef HAVE_BUILTIN____BUILTIN_POPCOUNTL
# undef __has_builtin____builtin_popcountl
# define __has_builtin____builtin_popcountl HAVE_BUILTIN____BUILTIN_POPCOUNTL
# endif
# ifdef HAVE_BUILTIN____BUILTIN_POPCOUNTLL
# undef __has_builtin____builtin_popcountll
# define __has_builtin____builtin_popcountll HAVE_BUILTIN____BUILTIN_POPCOUNTLL
# endif
internal/fixnum.h rework Add #include lines, move FIXNUM_POSITIVE_P etc. from numeric.h.
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# ifdef HAVE_BUILTIN____BUILTIN_SUB_OVERFLOW
# undef __has_builtin____builtin_SUB_overflow
# define __has_builtin____builtin_sub_overflow HAVE_BUILTIN____BUILTIN_SUB_OVERFLOW
# endif
split internal.h into files One day, I could not resist the way it was written. I finally started to make the code clean. This changeset is the beginning of a series of housekeeping commits. It is a simple refactoring; split internal.h into files, so that we can divide and concur in the upcoming commits. No lines of codes are either added or removed, except the obvious file headers/footers. The generated binary is identical to the one before.
2019-11-29 01:18:34 -05:00
#endif
#ifndef __has_feature
add several __has_something macro With these macros implemented we can write codes just like we can assume the compiler being clang. MSC_VERSION_SINCE is defined to implement those macros, but turned out to be handy for other places. The -fdeclspec compiler flag is necessary for clang to properly handle __has_declspec().
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# define __has_feature(...) 0
split internal.h into files One day, I could not resist the way it was written. I finally started to make the code clean. This changeset is the beginning of a series of housekeeping commits. It is a simple refactoring; split internal.h into files, so that we can divide and concur in the upcoming commits. No lines of codes are either added or removed, except the obvious file headers/footers. The generated binary is identical to the one before.
2019-11-29 01:18:34 -05:00
#endif
#ifndef __has_extension
add several __has_something macro With these macros implemented we can write codes just like we can assume the compiler being clang. MSC_VERSION_SINCE is defined to implement those macros, but turned out to be handy for other places. The -fdeclspec compiler flag is necessary for clang to properly handle __has_declspec().
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# /* Pre-3.0 clang had __has_feature but not __has_extension. */
split internal.h into files One day, I could not resist the way it was written. I finally started to make the code clean. This changeset is the beginning of a series of housekeeping commits. It is a simple refactoring; split internal.h into files, so that we can divide and concur in the upcoming commits. No lines of codes are either added or removed, except the obvious file headers/footers. The generated binary is identical to the one before.
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# define __has_extension __has_feature
#endif
add several __has_something macro With these macros implemented we can write codes just like we can assume the compiler being clang. MSC_VERSION_SINCE is defined to implement those macros, but turned out to be handy for other places. The -fdeclspec compiler flag is necessary for clang to properly handle __has_declspec().
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#ifndef __has_warning
# /* We cannot simulate __has_warning like the ones above, because it takes
# * string liteals (we can stringize a macro arugment but there is no such
# * thing like an unquote of strrings). */
# define __has_warning(...) 0
#endif
#ifndef __GNUC__
# define __extension__ /* void */
#endif
#ifndef MAYBE_UNUSED
# define MAYBE_UNUSED(x) x
#endif
#ifndef WARN_UNUSED_RESULT
# define WARN_UNUSED_RESULT(x) x
#endif
split internal.h into files One day, I could not resist the way it was written. I finally started to make the code clean. This changeset is the beginning of a series of housekeeping commits. It is a simple refactoring; split internal.h into files, so that we can divide and concur in the upcoming commits. No lines of codes are either added or removed, except the obvious file headers/footers. The generated binary is identical to the one before.
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#define RB_OBJ_BUILTIN_TYPE(obj) rb_obj_builtin_type(obj)
#define OBJ_BUILTIN_TYPE(obj) RB_OBJ_BUILTIN_TYPE(obj)
#ifdef __GNUC__
#define rb_obj_builtin_type(obj) \
__extension__({ \
VALUE arg_obj = (obj); \
RB_SPECIAL_CONST_P(arg_obj) ? -1 : \
RB_BUILTIN_TYPE(arg_obj); \
})
#else
add missing #include
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# include "ruby/ruby.h"
split internal.h into files One day, I could not resist the way it was written. I finally started to make the code clean. This changeset is the beginning of a series of housekeeping commits. It is a simple refactoring; split internal.h into files, so that we can divide and concur in the upcoming commits. No lines of codes are either added or removed, except the obvious file headers/footers. The generated binary is identical to the one before.
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static inline int
rb_obj_builtin_type(VALUE obj)
{
return RB_SPECIAL_CONST_P(obj) ? -1 :
RB_BUILTIN_TYPE(obj);
}
#endif
/* A macro for defining a flexible array, like: VALUE ary[FLEX_ARY_LEN]; */
#if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)
# define FLEX_ARY_LEN /* VALUE ary[]; */
#elif defined(__GNUC__) && !defined(__STRICT_ANSI__)
# define FLEX_ARY_LEN 0 /* VALUE ary[0]; */
#else
# define FLEX_ARY_LEN 1 /* VALUE ary[1]; */
#endif
/*
* For declaring bitfields out of non-unsigned int types:
* struct date {
* BITFIELD(enum months, month, 4);
* ...
* };
*/
#if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)
# define BITFIELD(type, name, size) type name : size
#else
# define BITFIELD(type, name, size) unsigned int name : size
#endif
#endif /* INTERNAL_COMPILERS_H */
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