1#ifndef INTERNAL_COMPILERS_H
2#define INTERNAL_COMPILERS_H
22#define MSC_VERSION_SINCE(_) RBIMPL_COMPILER_SINCE(MSVC, (_) / 100, (_) % 100, 0)
23#define MSC_VERSION_BEFORE(_) RBIMPL_COMPILER_BEFORE(MSVC, (_) / 100, (_) % 100, 0)
25#ifndef __has_attribute
26# define __has_attribute(...) RBIMPL_HAS_ATTRIBUTE(__VA_ARGS__)
29#ifndef __has_c_attribute
32# define __has_c_attribute(...) 0
35#ifndef __has_declspec_attribute
36# define __has_declspec_attribute(...) RBIMPL_HAS_DECLSPEC_ATTRIBUTE(__VA_ARGS__)
40# define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
44# define __has_feature(...) RBIMPL_HAS_FEATURE(__VA_ARGS__)
47#ifndef __has_extension
48# define __has_extension(...) RBIMPL_HAS_EXTENSION(__VA_ARGS__)
52# define __has_warning(...) RBIMPL_HAS_WARNING(__VA_ARGS__)
60# define MAYBE_UNUSED(x) x
63#ifndef WARN_UNUSED_RESULT
64# define WARN_UNUSED_RESULT(x) x
67#define RB_OBJ_BUILTIN_TYPE(obj) rb_obj_builtin_type(obj)
68#define OBJ_BUILTIN_TYPE(obj) RB_OBJ_BUILTIN_TYPE(obj)
70#define rb_obj_builtin_type(obj) \
72 VALUE arg_obj = (obj); \
73 RB_SPECIAL_CONST_P(arg_obj) ? -1 : \
74 (int)RB_BUILTIN_TYPE(arg_obj); \
81 return RB_SPECIAL_CONST_P(obj) ? -1 :
82 (
int)RB_BUILTIN_TYPE(obj);
87#if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)
89#elif defined(__GNUC__) && !defined(__STRICT_ANSI__)
90# define FLEX_ARY_LEN 0
92# define FLEX_ARY_LEN 1
102#if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)
103# define BITFIELD(type, name, size) type name : size
105# define BITFIELD(type, name, size) unsigned int name : size
Defines RBIMPL_HAS_ATTRIBUTE.
Defines RBIMPL_HAS_C_ATTRIBUTE.
Defines RBIMPL_COMPILER_SINCE.
#define rb_obj_builtin_type(obj)
Defines RBIMPL_HAS_DECLSPEC_ATTRIBUTE.
Defines RBIMPL_HAS_EXTENSION.
Defines RBIMPL_HAS_FEATURE.
Defines old GCC_VERSION_SINCE.
Defines RBIMPL_HAS_WARNING.
Defines RBIMPL_HAS_BUILTIN.
typedef int(ZCALLBACK *close_file_func) OF((voidpf opaque