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ruby/internal.h

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/**********************************************************************
internal.h -
$Author$
created at: Tue May 17 11:42:20 JST 2011
Copyright (C) 2011 Yukihiro Matsumoto
**********************************************************************/
#ifndef RUBY_INTERNAL_H
#define RUBY_INTERNAL_H 1
#include "ruby.h"
#include "ruby/encoding.h"
#include "ruby/io.h"
#if defined(__cplusplus)
extern "C" {
#if 0
} /* satisfy cc-mode */
#endif
#endif
/* likely */
#if __GNUC__ >= 3
#define LIKELY(x) (__builtin_expect((x), 1))
#define UNLIKELY(x) (__builtin_expect((x), 0))
#else /* __GNUC__ >= 3 */
#define LIKELY(x) (x)
#define UNLIKELY(x) (x)
#endif /* __GNUC__ >= 3 */
#ifndef __has_attribute
# define __has_attribute(x) 0
#endif
#if __has_attribute(unused)
#define UNINITIALIZED_VAR(x) x __attribute__((unused))
#elif defined(__GNUC__) && __GNUC__ >= 3
#define UNINITIALIZED_VAR(x) x = x
#else
#define UNINITIALIZED_VAR(x) x
#endif
#if __has_attribute(warn_unused_result)
#define WARN_UNUSED_RESULT(x) x __attribute__((warn_unused_result))
#elif defined(__GNUC__) && (__GNUC__ * 1000 + __GNUC_MINOR__) >= 3004
#define WARN_UNUSED_RESULT(x) x __attribute__((warn_unused_result))
#else
#define WARN_UNUSED_RESULT(x) x
#endif
#ifdef HAVE_VALGRIND_MEMCHECK_H
# include <valgrind/memcheck.h>
# ifndef VALGRIND_MAKE_MEM_DEFINED
# define VALGRIND_MAKE_MEM_DEFINED(p, n) VALGRIND_MAKE_READABLE((p), (n))
# endif
# ifndef VALGRIND_MAKE_MEM_UNDEFINED
# define VALGRIND_MAKE_MEM_UNDEFINED(p, n) VALGRIND_MAKE_WRITABLE((p), (n))
# endif
#else
# define VALGRIND_MAKE_MEM_DEFINED(p, n) 0
# define VALGRIND_MAKE_MEM_UNDEFINED(p, n) 0
#endif
#define numberof(array) ((int)(sizeof(array) / sizeof((array)[0])))
#define GCC_VERSION_SINCE(major, minor, patchlevel) \
(defined(__GNUC__) && !defined(__INTEL_COMPILER) && \
((__GNUC__ > (major)) || \
(__GNUC__ == (major) && __GNUC_MINOR__ > (minor)) || \
(__GNUC__ == (major) && __GNUC_MINOR__ == (minor) && __GNUC_PATCHLEVEL__ >= (patchlevel))))
#if GCC_VERSION_SINCE(4, 6, 0)
# define STATIC_ASSERT(name, expr) _Static_assert(expr, #name ": " #expr)
#else
# define STATIC_ASSERT(name, expr) typedef int static_assert_##name##_check[1 - 2*!(expr)]
#endif
#define SIGNED_INTEGER_TYPE_P(int_type) (0 > ((int_type)0)-1)
#define SIGNED_INTEGER_MAX(sint_type) \
(sint_type) \
((((sint_type)1) << (sizeof(sint_type) * CHAR_BIT - 2)) | \
((((sint_type)1) << (sizeof(sint_type) * CHAR_BIT - 2)) - 1))
#define SIGNED_INTEGER_MIN(sint_type) (-SIGNED_INTEGER_MAX(sint_type)-1)
#define UNSIGNED_INTEGER_MAX(uint_type) (~(uint_type)0)
#if SIGNEDNESS_OF_TIME_T < 0 /* signed */
# define TIMET_MAX SIGNED_INTEGER_MAX(time_t)
# define TIMET_MIN SIGNED_INTEGER_MIN(time_t)
#elif SIGNEDNESS_OF_TIME_T > 0 /* unsigned */
# define TIMET_MAX UNSIGNED_INTEGER_MAX(time_t)
# define TIMET_MIN ((time_t)0)
#endif
#define TIMET_MAX_PLUS_ONE (2*(double)(TIMET_MAX/2+1))
#define MUL_OVERFLOW_SIGNED_INTEGER_P(a, b, min, max) ( \
(a) == 0 ? 0 : \
(a) == -1 ? (b) < -(max) : \
(a) > 0 ? \
((b) > 0 ? (max) / (a) < (b) : (min) / (a) > (b)) : \
((b) > 0 ? (min) / (a) < (b) : (max) / (a) > (b)))
#define MUL_OVERFLOW_FIXNUM_P(a, b) MUL_OVERFLOW_SIGNED_INTEGER_P(a, b, FIXNUM_MIN, FIXNUM_MAX)
#define MUL_OVERFLOW_LONG_P(a, b) MUL_OVERFLOW_SIGNED_INTEGER_P(a, b, LONG_MIN, LONG_MAX)
#define MUL_OVERFLOW_INT_P(a, b) MUL_OVERFLOW_SIGNED_INTEGER_P(a, b, INT_MIN, INT_MAX)
#ifndef swap16
# ifdef HAVE_BUILTIN___BUILTIN_BSWAP16
# define swap16(x) __builtin_bswap16(x)
# endif
#endif
#ifndef swap16
# define swap16(x) ((uint16_t)((((x)&0xFF)<<8) | (((x)>>8)&0xFF)))
#endif
#ifndef swap32
# ifdef HAVE_BUILTIN___BUILTIN_BSWAP32
# define swap32(x) __builtin_bswap32(x)
# endif
#endif
#ifndef swap32
# define swap32(x) ((uint32_t)((((x)&0xFF)<<24) \
|(((x)>>24)&0xFF) \
|(((x)&0x0000FF00)<<8) \
|(((x)&0x00FF0000)>>8) ))
#endif
#ifndef swap64
# ifdef HAVE_BUILTIN___BUILTIN_BSWAP64
# define swap64(x) __builtin_bswap64(x)
# endif
#endif
#ifndef swap64
# ifdef HAVE_INT64_T
# define byte_in_64bit(n) ((uint64_t)0xff << (n))
# define swap64(x) ((uint64_t)((((x)&byte_in_64bit(0))<<56) \
|(((x)>>56)&0xFF) \
|(((x)&byte_in_64bit(8))<<40) \
|(((x)&byte_in_64bit(48))>>40) \
|(((x)&byte_in_64bit(16))<<24) \
|(((x)&byte_in_64bit(40))>>24) \
|(((x)&byte_in_64bit(24))<<8) \
|(((x)&byte_in_64bit(32))>>8)))
# endif
#endif
static inline int
nlz_int(unsigned int x)
{
#if defined(HAVE_BUILTIN___BUILTIN_CLZ)
if (x == 0) return SIZEOF_INT * CHAR_BIT;
return __builtin_clz(x);
#else
unsigned int y;
# if 64 < SIZEOF_INT * CHAR_BIT
int n = 128;
# elif 32 < SIZEOF_INT * CHAR_BIT
int n = 64;
# else
int n = 32;
# endif
# if 64 < SIZEOF_INT * CHAR_BIT
y = x >> 64; if (y) {n -= 64; x = y;}
# endif
# if 32 < SIZEOF_INT * CHAR_BIT
y = x >> 32; if (y) {n -= 32; x = y;}
# endif
y = x >> 16; if (y) {n -= 16; x = y;}
y = x >> 8; if (y) {n -= 8; x = y;}
y = x >> 4; if (y) {n -= 4; x = y;}
y = x >> 2; if (y) {n -= 2; x = y;}
y = x >> 1; if (y) {return n - 2;}
return (int)(n - x);
#endif
}
static inline int
nlz_long(unsigned long x)
{
#if defined(HAVE_BUILTIN___BUILTIN_CLZL)
if (x == 0) return SIZEOF_LONG * CHAR_BIT;
return __builtin_clzl(x);
#else
unsigned long y;
# if 64 < SIZEOF_LONG * CHAR_BIT
int n = 128;
# elif 32 < SIZEOF_LONG * CHAR_BIT
int n = 64;
# else
int n = 32;
# endif
# if 64 < SIZEOF_LONG * CHAR_BIT
y = x >> 64; if (y) {n -= 64; x = y;}
# endif
# if 32 < SIZEOF_LONG * CHAR_BIT
y = x >> 32; if (y) {n -= 32; x = y;}
# endif
y = x >> 16; if (y) {n -= 16; x = y;}
y = x >> 8; if (y) {n -= 8; x = y;}
y = x >> 4; if (y) {n -= 4; x = y;}
y = x >> 2; if (y) {n -= 2; x = y;}
y = x >> 1; if (y) {return n - 2;}
return (int)(n - x);
#endif
}
#ifdef HAVE_LONG_LONG
static inline int
nlz_long_long(unsigned LONG_LONG x)
{
#if defined(HAVE_BUILTIN___BUILTIN_CLZLL)
if (x == 0) return SIZEOF_LONG_LONG * CHAR_BIT;
return __builtin_clzll(x);
#else
unsigned LONG_LONG y;
# if 64 < SIZEOF_LONG_LONG * CHAR_BIT
int n = 128;
# elif 32 < SIZEOF_LONG_LONG * CHAR_BIT
int n = 64;
# else
int n = 32;
# endif
# if 64 < SIZEOF_LONG_LONG * CHAR_BIT
y = x >> 64; if (y) {n -= 64; x = y;}
# endif
# if 32 < SIZEOF_LONG_LONG * CHAR_BIT
y = x >> 32; if (y) {n -= 32; x = y;}
# endif
y = x >> 16; if (y) {n -= 16; x = y;}
y = x >> 8; if (y) {n -= 8; x = y;}
y = x >> 4; if (y) {n -= 4; x = y;}
y = x >> 2; if (y) {n -= 2; x = y;}
y = x >> 1; if (y) {return n - 2;}
return (int)(n - x);
#endif
}
#endif
#ifdef HAVE_UINT128_T
static inline int
nlz_int128(uint128_t x)
{
uint128_t y;
int n = 128;
y = x >> 64; if (y) {n -= 64; x = y;}
y = x >> 32; if (y) {n -= 32; x = y;}
y = x >> 16; if (y) {n -= 16; x = y;}
y = x >> 8; if (y) {n -= 8; x = y;}
y = x >> 4; if (y) {n -= 4; x = y;}
y = x >> 2; if (y) {n -= 2; x = y;}
y = x >> 1; if (y) {return n - 2;}
return (int)(n - x);
}
#endif
#if defined(HAVE_UINT128_T)
# define bit_length(x) \
(sizeof(x) <= SIZEOF_INT ? SIZEOF_INT * CHAR_BIT - nlz_int((unsigned int)(x)) : \
sizeof(x) <= SIZEOF_LONG ? SIZEOF_LONG * CHAR_BIT - nlz_long((unsigned long)(x)) : \
sizeof(x) <= SIZEOF_LONG_LONG ? SIZEOF_LONG_LONG * CHAR_BIT - nlz_long_long((unsigned LONG_LONG)(x)) : \
SIZEOF_INT128_T * CHAR_BIT - nlz_int128((uint128_t)(x)))
#elif defined(HAVE_LONG_LONG)
# define bit_length(x) \
(sizeof(x) <= SIZEOF_INT ? SIZEOF_INT * CHAR_BIT - nlz_int((unsigned int)(x)) : \
sizeof(x) <= SIZEOF_LONG ? SIZEOF_LONG * CHAR_BIT - nlz_long((unsigned long)(x)) : \
SIZEOF_LONG_LONG * CHAR_BIT - nlz_long_long((unsigned LONG_LONG)(x)))
#else
# define bit_length(x) \
(sizeof(x) <= SIZEOF_INT ? SIZEOF_INT * CHAR_BIT - nlz_int((unsigned int)(x)) : \
SIZEOF_LONG * CHAR_BIT - nlz_long((unsigned long)(x)))
#endif
struct rb_deprecated_classext_struct {
char conflict[sizeof(VALUE) * 3];
};
struct rb_subclass_entry;
typedef struct rb_subclass_entry rb_subclass_entry_t;
struct rb_subclass_entry {
VALUE klass;
rb_subclass_entry_t *next;
};
#if defined(HAVE_LONG_LONG)
typedef unsigned LONG_LONG rb_serial_t;
#define SERIALT2NUM ULL2NUM
#elif defined(HAVE_UINT64_T)
typedef uint64_t rb_serial_t;
#define SERIALT2NUM SIZET2NUM
#else
typedef unsigned long rb_serial_t;
#define SERIALT2NUM ULONG2NUM
#endif
struct rb_classext_struct {
struct st_table *iv_index_tbl;
struct st_table *iv_tbl;
struct st_table *const_tbl;
rb_subclass_entry_t *subclasses;
rb_subclass_entry_t **parent_subclasses;
/**
* In the case that this is an `ICLASS`, `module_subclasses` points to the link
* in the module's `subclasses` list that indicates that the klass has been
* included. Hopefully that makes sense.
*/
rb_subclass_entry_t **module_subclasses;
rb_serial_t class_serial;
const VALUE origin_;
VALUE refined_class;
rb_alloc_func_t allocator;
};
#ifndef BDIGIT
# if SIZEOF_INT*2 <= SIZEOF_LONG_LONG
# define BDIGIT unsigned int
# define SIZEOF_BDIGIT SIZEOF_INT
# define BDIGIT_DBL unsigned LONG_LONG
# define BDIGIT_DBL_SIGNED LONG_LONG
# define PRI_BDIGIT_PREFIX ""
# define PRI_BDIGIT_DBL_PREFIX PRI_LL_PREFIX
# elif SIZEOF_INT*2 <= SIZEOF_LONG
# define BDIGIT unsigned int
# define SIZEOF_BDIGIT SIZEOF_INT
# define BDIGIT_DBL unsigned long
# define BDIGIT_DBL_SIGNED long
# define PRI_BDIGIT_PREFIX ""
# define PRI_BDIGIT_DBL_PREFIX "l"
# elif SIZEOF_SHORT*2 <= SIZEOF_LONG
# define BDIGIT unsigned short
# define SIZEOF_BDIGIT SIZEOF_SHORT
# define BDIGIT_DBL unsigned long
# define BDIGIT_DBL_SIGNED long
# define PRI_BDIGIT_PREFIX "h"
# define PRI_BDIGIT_DBL_PREFIX "l"
# else
# define BDIGIT unsigned short
# define SIZEOF_BDIGIT (SIZEOF_LONG/2)
# define SIZEOF_ACTUAL_BDIGIT SIZEOF_LONG
# define BDIGIT_DBL unsigned long
# define BDIGIT_DBL_SIGNED long
# define PRI_BDIGIT_PREFIX "h"
# define PRI_BDIGIT_DBL_PREFIX "l"
# endif
#endif
#ifndef SIZEOF_ACTUAL_BDIGIT
# define SIZEOF_ACTUAL_BDIGIT SIZEOF_BDIGIT
#endif
#ifdef PRI_BDIGIT_PREFIX
# define PRIdBDIGIT PRI_BDIGIT_PREFIX"d"
# define PRIiBDIGIT PRI_BDIGIT_PREFIX"i"
# define PRIoBDIGIT PRI_BDIGIT_PREFIX"o"
# define PRIuBDIGIT PRI_BDIGIT_PREFIX"u"
# define PRIxBDIGIT PRI_BDIGIT_PREFIX"x"
# define PRIXBDIGIT PRI_BDIGIT_PREFIX"X"
#endif
#ifdef PRI_BDIGIT_DBL_PREFIX
# define PRIdBDIGIT_DBL PRI_BDIGIT_DBL_PREFIX"d"
# define PRIiBDIGIT_DBL PRI_BDIGIT_DBL_PREFIX"i"
# define PRIoBDIGIT_DBL PRI_BDIGIT_DBL_PREFIX"o"
# define PRIuBDIGIT_DBL PRI_BDIGIT_DBL_PREFIX"u"
# define PRIxBDIGIT_DBL PRI_BDIGIT_DBL_PREFIX"x"
# define PRIXBDIGIT_DBL PRI_BDIGIT_DBL_PREFIX"X"
#endif
#define BIGNUM_EMBED_LEN_NUMBITS 3
#ifndef BIGNUM_EMBED_LEN_MAX
# if (SIZEOF_VALUE*3/SIZEOF_ACTUAL_BDIGIT) < (1 << BIGNUM_EMBED_LEN_NUMBITS)-1
# define BIGNUM_EMBED_LEN_MAX (SIZEOF_VALUE*3/SIZEOF_ACTUAL_BDIGIT)
# else
# define BIGNUM_EMBED_LEN_MAX ((1 << BIGNUM_EMBED_LEN_NUMBITS)-1)
# endif
#endif
struct RBignum {
struct RBasic basic;
union {
struct {
size_t len;
BDIGIT *digits;
} heap;
BDIGIT ary[BIGNUM_EMBED_LEN_MAX];
} as;
};
#define BIGNUM_SIGN_BIT FL_USER1
/* sign: positive:1, negative:0 */
#define BIGNUM_SIGN(b) ((RBASIC(b)->flags & BIGNUM_SIGN_BIT) != 0)
#define BIGNUM_SET_SIGN(b,sign) \
((sign) ? (RBASIC(b)->flags |= BIGNUM_SIGN_BIT) \
: (RBASIC(b)->flags &= ~BIGNUM_SIGN_BIT))
#define BIGNUM_POSITIVE_P(b) BIGNUM_SIGN(b)
#define BIGNUM_NEGATIVE_P(b) (!BIGNUM_SIGN(b))
#define BIGNUM_EMBED_FLAG FL_USER2
#define BIGNUM_EMBED_LEN_MASK (FL_USER5|FL_USER4|FL_USER3)
#define BIGNUM_EMBED_LEN_SHIFT (FL_USHIFT+BIGNUM_EMBED_LEN_NUMBITS)
#define BIGNUM_LEN(b) \
((RBASIC(b)->flags & BIGNUM_EMBED_FLAG) ? \
(long)((RBASIC(b)->flags >> BIGNUM_EMBED_LEN_SHIFT) & \
(BIGNUM_EMBED_LEN_MASK >> BIGNUM_EMBED_LEN_SHIFT)) : \
RBIGNUM(b)->as.heap.len)
/* LSB:BIGNUM_DIGITS(b)[0], MSB:BIGNUM_DIGITS(b)[BIGNUM_LEN(b)-1] */
#define BIGNUM_DIGITS(b) \
((RBASIC(b)->flags & BIGNUM_EMBED_FLAG) ? \
RBIGNUM(b)->as.ary : \
RBIGNUM(b)->as.heap.digits)
#define BIGNUM_LENINT(b) rb_long2int(BIGNUM_LEN(b))
#define RBIGNUM(obj) (R_CAST(RBignum)(obj))
struct RRational {
struct RBasic basic;
const VALUE num;
const VALUE den;
};
#define RRATIONAL(obj) (R_CAST(RRational)(obj))
struct RFloat {
struct RBasic basic;
double float_value;
};
#define RFLOAT(obj) (R_CAST(RFloat)(obj))
struct RComplex {
struct RBasic basic;
const VALUE real;
const VALUE imag;
};
#define RCOMPLEX(obj) (R_CAST(RComplex)(obj))
#ifdef RCOMPLEX_SET_REAL /* shortcut macro for internal only */
#undef RCOMPLEX_SET_REAL
#undef RCOMPLEX_SET_REAL
#define RCOMPLEX_SET_REAL(cmp, r) RB_OBJ_WRITE((cmp), &((struct RComplex *)(cmp))->real,(r))
#define RCOMPLEX_SET_IMAG(cmp, i) RB_OBJ_WRITE((cmp), &((struct RComplex *)(cmp))->imag,(i))
#endif
struct RHash {
struct RBasic basic;
struct st_table *ntbl; /* possibly 0 */
int iter_lev;
const VALUE ifnone;
};
#define RHASH(obj) (R_CAST(RHash)(obj))
#ifdef RHASH_ITER_LEV
#undef RHASH_ITER_LEV
#undef RHASH_IFNONE
#undef RHASH_SIZE
#define RHASH_ITER_LEV(h) (RHASH(h)->iter_lev)
#define RHASH_IFNONE(h) (RHASH(h)->ifnone)
#define RHASH_SIZE(h) (RHASH(h)->ntbl ? (st_index_t)RHASH(h)->ntbl->num_entries : 0)
#endif
/* missing/setproctitle.c */
#ifndef HAVE_SETPROCTITLE
extern void ruby_init_setproctitle(int argc, char *argv[]);
#endif
/* class.c */
void rb_class_subclass_add(VALUE super, VALUE klass);
void rb_class_remove_from_super_subclasses(VALUE);
#define RCLASS_EXT(c) (RCLASS(c)->ptr)
#define RCLASS_IV_TBL(c) (RCLASS_EXT(c)->iv_tbl)
#define RCLASS_CONST_TBL(c) (RCLASS_EXT(c)->const_tbl)
#define RCLASS_M_TBL(c) (RCLASS(c)->m_tbl)
#define RCLASS_IV_INDEX_TBL(c) (RCLASS_EXT(c)->iv_index_tbl)
#define RCLASS_ORIGIN(c) (RCLASS_EXT(c)->origin_)
#define RCLASS_REFINED_CLASS(c) (RCLASS_EXT(c)->refined_class)
#define RCLASS_SERIAL(c) (RCLASS_EXT(c)->class_serial)
#define RICLASS_IS_ORIGIN FL_USER5
static inline void
RCLASS_SET_ORIGIN(VALUE klass, VALUE origin)
{
RB_OBJ_WRITE(klass, &RCLASS_ORIGIN(klass), origin);
if (klass != origin) FL_SET(origin, RICLASS_IS_ORIGIN);
}
static inline void
RCLASS_M_TBL_INIT(VALUE c)
{
RCLASS_M_TBL(c) = st_init_numtable();
}
#undef RCLASS_SUPER
static inline VALUE
RCLASS_SUPER(VALUE klass)
{
return RCLASS(klass)->super;
}
static inline VALUE
RCLASS_SET_SUPER(VALUE klass, VALUE super)
{
if (super) {
rb_class_remove_from_super_subclasses(klass);
rb_class_subclass_add(super, klass);
}
RB_OBJ_WRITE(klass, &RCLASS(klass)->super, super);
return super;
}
/* IMEMO: Internal memo object */
#ifndef IMEMO_DEBUG
#define IMEMO_DEBUG 0
#endif
struct RIMemo {
VALUE flags;
VALUE v0;
VALUE v1;
VALUE v2;
VALUE v3;
};
enum imemo_type {
imemo_none = 0,
imemo_cref = 1,
imemo_svar = 2,
imemo_throw_data = 3,
imemo_ifunc = 4,
imemo_memo = 5,
imemo_mask = 0x07
};
static inline enum imemo_type
imemo_type(VALUE imemo)
{
return (RBASIC(imemo)->flags >> FL_USHIFT) & imemo_mask;
}
/* CREF */
typedef struct rb_cref_struct {
VALUE flags;
const VALUE refinements;
const VALUE klass;
VALUE visi;
struct rb_cref_struct * const next;
} rb_cref_t;
/* SVAR */
struct vm_svar {
VALUE flags;
const rb_cref_t * const cref;
const VALUE lastline;
const VALUE backref;
const VALUE others;
};
/* THROW_DATA */
struct vm_throw_data {
VALUE flags;
VALUE reserved;
const VALUE throw_obj;
const struct rb_control_frame_struct *catch_frame;
VALUE throw_state;
};
#define THROW_DATA_P(err) RB_TYPE_P((err), T_IMEMO)
/* IFUNC */
struct vm_ifunc {
VALUE flags;
VALUE reserved;
VALUE (*func)(ANYARGS);
const void *data;
ID id;
};
#if IMEMO_DEBUG
#define IFUNC_NEW(a, b) ((struct vm_ifunc *)rb_imemo_new_debug(imemo_ifunc, (VALUE)(a), (VALUE)(b), 0, 0, __FILE__, __LINE__))
#else
#define IFUNC_NEW(a, b) ((struct vm_ifunc *)rb_imemo_new(imemo_ifunc, (VALUE)(a), (VALUE)(b), 0, 0))
#endif
/* MEMO */
struct MEMO {
VALUE flags;
VALUE reserved;
const VALUE v1;
const VALUE v2;
union {
long cnt;
long state;
const VALUE value;
VALUE (*func)(ANYARGS);
} u3;
};
#define MEMO_V1_SET(m, v) RB_OBJ_WRITE((memo), &(memo)->v1, (v))
#define MEMO_V2_SET(m, v) RB_OBJ_WRITE((memo), &(memo)->v2, (v))
#define MEMO_CAST(m) ((struct MEMO *)m)
#if IMEMO_DEBUG
#define MEMO_NEW(a, b, c) ((struct MEMO *)rb_imemo_new_debug(imemo_memo, (VALUE)(a), (VALUE)(b), (VALUE)(c), 0, __FILE__, __LINE__))
#else
#define MEMO_NEW(a, b, c) ((struct MEMO *)rb_imemo_new(imemo_memo, (VALUE)(a), (VALUE)(b), (VALUE)(c), 0))
#endif
#define type_roomof(x, y) ((sizeof(x) + sizeof(y) - 1) / sizeof(y))
#define MEMO_FOR(type, value) ((type *)RARRAY_PTR(value))
#define NEW_MEMO_FOR(type, value) \
((value) = rb_ary_tmp_new_fill(type_roomof(type, VALUE)), MEMO_FOR(type, value))
/* global variable */
struct rb_global_entry {
struct rb_global_variable *var;
ID id;
};
struct rb_global_entry *rb_global_entry(ID);
VALUE rb_gvar_get(struct rb_global_entry *);
VALUE rb_gvar_set(struct rb_global_entry *, VALUE);
VALUE rb_gvar_defined(struct rb_global_entry *);
struct vtm; /* defined by timev.h */
/* array.c */
VALUE rb_ary_last(int, const VALUE *, VALUE);
void rb_ary_set_len(VALUE, long);
void rb_ary_delete_same(VALUE, VALUE);
VALUE rb_ary_tmp_new_fill(long capa);
size_t rb_ary_memsize(VALUE);
#ifdef __GNUC__
#define rb_ary_new_from_args(n, ...) \
__extension__ ({ \
const VALUE args_to_new_ary[] = {__VA_ARGS__}; \
if (__builtin_constant_p(n)) { \
STATIC_ASSERT(rb_ary_new_from_args, numberof(args_to_new_ary) == (n)); \
} \
rb_ary_new_from_values(numberof(args_to_new_ary), args_to_new_ary); \
})
#endif
/* bignum.c */
extern const char ruby_digitmap[];
VALUE rb_big_fdiv(VALUE x, VALUE y);
VALUE rb_big_uminus(VALUE x);
VALUE rb_integer_float_cmp(VALUE x, VALUE y);
VALUE rb_integer_float_eq(VALUE x, VALUE y);
/* class.c */
void rb_class_foreach_subclass(VALUE klass, void (*f)(VALUE, VALUE), VALUE);
void rb_class_detach_subclasses(VALUE);
void rb_class_detach_module_subclasses(VALUE);
void rb_class_remove_from_module_subclasses(VALUE);
VALUE rb_obj_methods(int argc, const VALUE *argv, VALUE obj);
VALUE rb_obj_protected_methods(int argc, const VALUE *argv, VALUE obj);
VALUE rb_obj_private_methods(int argc, const VALUE *argv, VALUE obj);
VALUE rb_obj_public_methods(int argc, const VALUE *argv, VALUE obj);
int rb_obj_basic_to_s_p(VALUE);
VALUE rb_special_singleton_class(VALUE);
VALUE rb_singleton_class_clone_and_attach(VALUE obj, VALUE attach);
VALUE rb_singleton_class_get(VALUE obj);
void Init_class_hierarchy(void);
/* compar.c */
VALUE rb_invcmp(VALUE, VALUE);
/* compile.c */
int rb_dvar_defined(ID);
int rb_local_defined(ID);
int rb_parse_in_eval(void);
int rb_parse_in_main(void);
const char * rb_insns_name(int i);
VALUE rb_insns_name_array(void);
/* cont.c */
VALUE rb_obj_is_fiber(VALUE);
void rb_fiber_reset_root_local_storage(VALUE);
void ruby_register_rollback_func_for_ensure(VALUE (*ensure_func)(ANYARGS), VALUE (*rollback_func)(ANYARGS));
/* debug.c */
PRINTF_ARGS(void ruby_debug_printf(const char*, ...), 1, 2);
/* dmyext.c */
void Init_enc(void);
void Init_ext(void);
/* encoding.c */
enum ruby_preserved_encindex {
ENCINDEX_ASCII,
ENCINDEX_UTF_8,
ENCINDEX_US_ASCII,
/* preserved indexes */
ENCINDEX_UTF_16BE,
ENCINDEX_UTF_16LE,
ENCINDEX_UTF_32BE,
ENCINDEX_UTF_32LE,
ENCINDEX_UTF_16,
ENCINDEX_UTF_32,
ENCINDEX_UTF8_MAC,
/* for old options of regexp */
ENCINDEX_EUC_JP,
ENCINDEX_Windows_31J,
ENCINDEX_BUILTIN_MAX
};
#define rb_ascii8bit_encindex() ENCINDEX_ASCII
#define rb_utf8_encindex() ENCINDEX_UTF_8
#define rb_usascii_encindex() ENCINDEX_US_ASCII
ID rb_id_encoding(void);
void rb_gc_mark_encodings(void);
rb_encoding *rb_enc_get_from_index(int index);
int rb_encdb_replicate(const char *alias, const char *orig);
int rb_encdb_alias(const char *alias, const char *orig);
int rb_encdb_dummy(const char *name);
void rb_encdb_declare(const char *name);
void rb_enc_set_base(const char *name, const char *orig);
int rb_enc_set_dummy(int index);
void rb_encdb_set_unicode(int index);
/* enum.c */
VALUE rb_f_send(int argc, VALUE *argv, VALUE recv);
/* error.c */
extern VALUE rb_eEAGAIN;
extern VALUE rb_eEWOULDBLOCK;
extern VALUE rb_eEINPROGRESS;
NORETURN(PRINTF_ARGS(void rb_compile_bug(const char*, int, const char*, ...), 3, 4));
VALUE rb_check_backtrace(VALUE);
NORETURN(void rb_async_bug_errno(const char *,int));
const char *rb_builtin_type_name(int t);
const char *rb_builtin_class_name(VALUE x);
PRINTF_ARGS(void rb_enc_warn(rb_encoding *enc, const char *fmt, ...), 2, 3);
PRINTF_ARGS(void rb_enc_warning(rb_encoding *enc, const char *fmt, ...), 2, 3);
PRINTF_ARGS(void rb_sys_enc_warning(rb_encoding *enc, const char *fmt, ...), 2, 3);
/* eval.c */
VALUE rb_refinement_module_get_refined_class(VALUE module);
/* eval_error.c */
void ruby_error_print(void);
VALUE rb_get_backtrace(VALUE info);
/* eval_jump.c */
void rb_call_end_proc(VALUE data);
void rb_mark_end_proc(void);
/* file.c */
VALUE rb_home_dir_of(VALUE user, VALUE result);
VALUE rb_default_home_dir(VALUE result);
VALUE rb_realpath_internal(VALUE basedir, VALUE path, int strict);
void rb_file_const(const char*, VALUE);
int rb_file_load_ok(const char *);
VALUE rb_file_expand_path_fast(VALUE, VALUE);
VALUE rb_file_expand_path_internal(VALUE, VALUE, int, int, VALUE);
VALUE rb_get_path_check_to_string(VALUE, int);
VALUE rb_get_path_check_convert(VALUE, VALUE, int);
void Init_File(void);
#ifdef RUBY_FUNCTION_NAME_STRING
# if defined __GNUC__ && __GNUC__ >= 4
# pragma GCC visibility push(default)
# endif
NORETURN(void rb_sys_fail_path_in(const char *func_name, VALUE path));
NORETURN(void rb_syserr_fail_path_in(const char *func_name, int err, VALUE path));
# if defined __GNUC__ && __GNUC__ >= 4
# pragma GCC visibility pop
# endif
# define rb_sys_fail_path(path) rb_sys_fail_path_in(RUBY_FUNCTION_NAME_STRING, path)
# define rb_syserr_fail_path(err, path) rb_syserr_fail_path_in(RUBY_FUNCTION_NAME_STRING, (err), (path))
#else
# define rb_sys_fail_path(path) rb_sys_fail_str(path)
# define rb_syserr_fail_path(err, path) rb_syserr_fail_str((err), (path))
#endif
/* gc.c */
extern VALUE *ruby_initial_gc_stress_ptr;
extern int ruby_disable_gc;
void Init_heap(void);
void *ruby_mimmalloc(size_t size);
void ruby_mimfree(void *ptr);
void rb_objspace_set_event_hook(const rb_event_flag_t event);
#if USE_RGENGC
void rb_gc_writebarrier_remember(VALUE obj);
#else
#define rb_gc_writebarrier_remember(obj) 0
#endif
void ruby_gc_set_params(int safe_level);
void rb_copy_wb_protected_attribute(VALUE dest, VALUE obj);
#if defined(HAVE_MALLOC_USABLE_SIZE) || defined(HAVE_MALLOC_SIZE) || defined(_WIN32)
#define ruby_sized_xrealloc(ptr, new_size, old_size) ruby_xrealloc(ptr, new_size)
#define ruby_sized_xrealloc2(ptr, new_count, element_size, old_count) ruby_xrealloc(ptr, new_count, element_size)
#define ruby_sized_xfree(ptr, size) ruby_xfree(ptr)
#define SIZED_REALLOC_N(var,type,n,old_n) REALLOC_N(var, type, n)
#else
void *ruby_sized_xrealloc(void *ptr, size_t new_size, size_t old_size) RUBY_ATTR_ALLOC_SIZE((2));
void *ruby_sized_xrealloc2(void *ptr, size_t new_count, size_t element_size, size_t old_count) RUBY_ATTR_ALLOC_SIZE((2, 3));
void ruby_sized_xfree(void *x, size_t size);
#define SIZED_REALLOC_N(var,type,n,old_n) ((var)=(type*)ruby_sized_xrealloc((char*)(var), (n) * sizeof(type), (old_n) * sizeof(type)))
#endif
void rb_gc_resurrect(VALUE ptr);
/* hash.c */
struct st_table *rb_hash_tbl_raw(VALUE hash);
VALUE rb_hash_has_key(VALUE hash, VALUE key);
VALUE rb_hash_set_default_proc(VALUE hash, VALUE proc);
long rb_objid_hash(st_index_t index);
VALUE rb_ident_hash_new(void);
st_table *rb_init_identtable(void);
st_table *rb_init_identtable_with_size(st_index_t size);
#define RHASH_TBL_RAW(h) rb_hash_tbl_raw(h)
VALUE rb_hash_keys(VALUE hash);
VALUE rb_hash_values(VALUE hash);
#define HASH_DELETED FL_USER1
#define HASH_PROC_DEFAULT FL_USER2
/* inits.c */
void rb_call_inits(void);
/* io.c */
const char *ruby_get_inplace_mode(void);
void ruby_set_inplace_mode(const char *);
ssize_t rb_io_bufread(VALUE io, void *buf, size_t size);
void rb_stdio_set_default_encoding(void);
void rb_write_error_str(VALUE mesg);
VALUE rb_io_flush_raw(VALUE, int);
size_t rb_io_memsize(const rb_io_t *);
/* iseq.c */
VALUE rb_iseq_clone(VALUE iseqval, VALUE newcbase);
VALUE rb_iseq_path(VALUE iseqval);
VALUE rb_iseq_absolute_path(VALUE iseqval);
VALUE rb_iseq_label(VALUE iseqval);
VALUE rb_iseq_base_label(VALUE iseqval);
VALUE rb_iseq_first_lineno(VALUE iseqval);
VALUE rb_iseq_klass(VALUE iseqval); /* completely temporary fucntion */
VALUE rb_iseq_method_name(VALUE self);
/* load.c */
VALUE rb_get_load_path(void);
VALUE rb_get_expanded_load_path(void);
int rb_require_internal(VALUE fname, int safe);
NORETURN(void rb_load_fail(VALUE, const char*));
/* loadpath.c */
extern const char ruby_exec_prefix[];
extern const char ruby_initial_load_paths[];
/* localeinit.c */
int Init_enc_set_filesystem_encoding(void);
/* math.c */
VALUE rb_math_atan2(VALUE, VALUE);
VALUE rb_math_cos(VALUE);
VALUE rb_math_cosh(VALUE);
VALUE rb_math_exp(VALUE);
VALUE rb_math_hypot(VALUE, VALUE);
VALUE rb_math_log(int argc, const VALUE *argv);
VALUE rb_math_sin(VALUE);
VALUE rb_math_sinh(VALUE);
#if 0
VALUE rb_math_sqrt(VALUE);
#endif
/* newline.c */
void Init_newline(void);
/* numeric.c */
int rb_num_to_uint(VALUE val, unsigned int *ret);
VALUE ruby_num_interval_step_size(VALUE from, VALUE to, VALUE step, int excl);
int ruby_float_step(VALUE from, VALUE to, VALUE step, int excl);
double ruby_float_mod(double x, double y);
int rb_num_negative_p(VALUE);
VALUE rb_int_succ(VALUE num);
VALUE rb_int_pred(VALUE num);
VALUE rb_dbl_hash(double d);
#if USE_FLONUM
#define RUBY_BIT_ROTL(v, n) (((v) << (n)) | ((v) >> ((sizeof(v) * 8) - n)))
#define RUBY_BIT_ROTR(v, n) (((v) >> (n)) | ((v) << ((sizeof(v) * 8) - n)))
#endif
static inline double
rb_float_value_inline(VALUE v)
{
#if USE_FLONUM
if (FLONUM_P(v)) {
if (v != (VALUE)0x8000000000000002) { /* LIKELY */
union {
double d;
VALUE v;
} t;
VALUE b63 = (v >> 63);
/* e: xx1... -> 011... */
/* xx0... -> 100... */
/* ^b63 */
t.v = RUBY_BIT_ROTR((2 - b63) | (v & ~0x03), 3);
return t.d;
}
else {
return 0.0;
}
}
#endif
return ((struct RFloat *)v)->float_value;
}
static inline VALUE
rb_float_new_inline(double d)
{
#if USE_FLONUM
union {
double d;
VALUE v;
} t;
int bits;
t.d = d;
bits = (int)((VALUE)(t.v >> 60) & 0x7);
/* bits contains 3 bits of b62..b60. */
/* bits - 3 = */
/* b011 -> b000 */
/* b100 -> b001 */
if (t.v != 0x3000000000000000 /* 1.72723e-77 */ &&
!((bits-3) & ~0x01)) {
return (RUBY_BIT_ROTL(t.v, 3) & ~(VALUE)0x01) | 0x02;
}
else if (t.v == (VALUE)0) {
/* +0.0 */
return 0x8000000000000002;
}
/* out of range */
#endif
return rb_float_new_in_heap(d);
}
#define rb_float_value(v) rb_float_value_inline(v)
#define rb_float_new(d) rb_float_new_inline(d)
/* object.c */
void rb_obj_copy_ivar(VALUE dest, VALUE obj);
VALUE rb_obj_equal(VALUE obj1, VALUE obj2);
VALUE rb_class_search_ancestor(VALUE klass, VALUE super);
struct RBasicRaw {
VALUE flags;
VALUE klass;
};
#define RBASIC_CLEAR_CLASS(obj) (((struct RBasicRaw *)((VALUE)(obj)))->klass = 0)
#define RBASIC_SET_CLASS_RAW(obj, cls) (((struct RBasicRaw *)((VALUE)(obj)))->klass = (cls))
#define RBASIC_SET_CLASS(obj, cls) do { \
VALUE _obj_ = (obj); \
RB_OBJ_WRITE(_obj_, &((struct RBasicRaw *)(_obj_))->klass, cls); \
} while (0)
/* parse.y */
#ifndef USE_SYMBOL_GC
#define USE_SYMBOL_GC 1
#endif
VALUE rb_parser_get_yydebug(VALUE);
VALUE rb_parser_set_yydebug(VALUE, VALUE);
int rb_is_const_name(VALUE name);
int rb_is_class_name(VALUE name);
int rb_is_global_name(VALUE name);
int rb_is_instance_name(VALUE name);
int rb_is_attrset_name(VALUE name);
int rb_is_local_name(VALUE name);
int rb_is_method_name(VALUE name);
int rb_is_junk_name(VALUE name);
int rb_is_const_sym(VALUE sym);
int rb_is_class_sym(VALUE sym);
int rb_is_global_sym(VALUE sym);
int rb_is_instance_sym(VALUE sym);
int rb_is_attrset_sym(VALUE sym);
int rb_is_local_sym(VALUE sym);
int rb_is_method_sym(VALUE sym);
int rb_is_junk_sym(VALUE sym);
ID rb_make_internal_id(void);
void rb_gc_free_dsymbol(VALUE);
ID rb_id_attrget(ID id);
/* proc.c */
VALUE rb_proc_location(VALUE self);
st_index_t rb_hash_proc(st_index_t hash, VALUE proc);
int rb_block_arity(void);
VALUE rb_block_clear_env_self(VALUE proc);
/* process.c */
#define RB_MAX_GROUPS (65536)
struct rb_execarg {
union {
struct {
VALUE shell_script;
} sh;
struct {
VALUE command_name;
VALUE command_abspath; /* full path string or nil */
VALUE argv_str;
VALUE argv_buf;
} cmd;
} invoke;
VALUE redirect_fds;
VALUE envp_str;
VALUE envp_buf;
VALUE dup2_tmpbuf;
unsigned use_shell : 1;
unsigned pgroup_given : 1;
unsigned umask_given : 1;
unsigned unsetenv_others_given : 1;
unsigned unsetenv_others_do : 1;
unsigned close_others_given : 1;
unsigned close_others_do : 1;
unsigned chdir_given : 1;
unsigned new_pgroup_given : 1;
unsigned new_pgroup_flag : 1;
unsigned uid_given : 1;
unsigned gid_given : 1;
rb_pid_t pgroup_pgid; /* asis(-1), new pgroup(0), specified pgroup (0<V). */
VALUE rlimit_limits; /* Qfalse or [[rtype, softlim, hardlim], ...] */
mode_t umask_mask;
rb_uid_t uid;
rb_gid_t gid;
int close_others_maxhint;
VALUE fd_dup2;
VALUE fd_close;
VALUE fd_open;
VALUE fd_dup2_child;
VALUE env_modification; /* Qfalse or [[k1,v1], ...] */
VALUE chdir_dir;
};
/* argv_str contains extra two elements.
* The beginning one is for /bin/sh used by exec_with_sh.
* The last one for terminating NULL used by execve.
* See rb_exec_fillarg() in process.c. */
#define ARGVSTR2ARGC(argv_str) (RSTRING_LEN(argv_str) / sizeof(char *) - 2)
#define ARGVSTR2ARGV(argv_str) ((char **)RSTRING_PTR(argv_str) + 1)
rb_pid_t rb_fork_ruby(int *status);
void rb_last_status_clear(void);
/* rational.c */
VALUE rb_lcm(VALUE x, VALUE y);
VALUE rb_rational_reciprocal(VALUE x);
VALUE rb_cstr_to_rat(const char *, int);
/* re.c */
VALUE rb_reg_compile(VALUE str, int options, const char *sourcefile, int sourceline);
VALUE rb_reg_check_preprocess(VALUE);
long rb_reg_search0(VALUE, VALUE, long, int, int);
void rb_backref_set_string(VALUE string, long pos, long len);
/* signal.c */
extern int ruby_enable_coredump;
int rb_get_next_signal(void);
int rb_sigaltstack_size(void);
/* strftime.c */
#ifdef RUBY_ENCODING_H
size_t rb_strftime_timespec(char *s, size_t maxsize, const char *format, rb_encoding *enc,
const struct vtm *vtm, struct timespec *ts, int gmt);
size_t rb_strftime(char *s, size_t maxsize, const char *format, rb_encoding *enc,
const struct vtm *vtm, VALUE timev, int gmt);
#endif
/* string.c */
void Init_frozen_strings(void);
VALUE rb_fstring(VALUE);
VALUE rb_fstring_new(const char *ptr, long len);
int rb_str_buf_cat_escaped_char(VALUE result, unsigned int c, int unicode_p);
int rb_str_symname_p(VALUE);
VALUE rb_str_quote_unprintable(VALUE);
VALUE rb_id_quote_unprintable(ID);
#define QUOTE(str) rb_str_quote_unprintable(str)
#define QUOTE_ID(id) rb_id_quote_unprintable(id)
void rb_str_fill_terminator(VALUE str, const int termlen);
VALUE rb_str_locktmp_ensure(VALUE str, VALUE (*func)(VALUE), VALUE arg);
#ifdef RUBY_ENCODING_H
VALUE rb_external_str_with_enc(VALUE str, rb_encoding *eenc);
#endif
#define STR_NOEMBED FL_USER1
#define STR_SHARED FL_USER2 /* = ELTS_SHARED */
#define STR_EMBED_P(str) (!FL_TEST((str), STR_NOEMBED))
#define STR_SHARED_P(s) FL_ALL((s), STR_NOEMBED|ELTS_SHARED)
#define is_ascii_string(str) (rb_enc_str_coderange(str) == ENC_CODERANGE_7BIT)
#define is_broken_string(str) (rb_enc_str_coderange(str) == ENC_CODERANGE_BROKEN)
size_t rb_str_memsize(VALUE);
/* struct.c */
VALUE rb_struct_init_copy(VALUE copy, VALUE s);
/* time.c */
struct timeval rb_time_timeval(VALUE);
/* thread.c */
VALUE rb_obj_is_mutex(VALUE obj);
VALUE rb_suppress_tracing(VALUE (*func)(VALUE), VALUE arg);
void rb_thread_execute_interrupts(VALUE th);
void rb_clear_trace_func(void);
VALUE rb_get_coverages(void);
VALUE rb_thread_shield_new(void);
VALUE rb_thread_shield_wait(VALUE self);
VALUE rb_thread_shield_release(VALUE self);
VALUE rb_thread_shield_destroy(VALUE self);
void rb_mutex_allow_trap(VALUE self, int val);
VALUE rb_uninterruptible(VALUE (*b_proc)(ANYARGS), VALUE data);
VALUE rb_mutex_owned_p(VALUE self);
void ruby_kill(rb_pid_t pid, int sig);
/* thread_pthread.c, thread_win32.c */
void Init_native_thread(void);
/* transcode.c */
extern VALUE rb_cEncodingConverter;
size_t rb_econv_memsize(rb_econv_t *);
/* us_ascii.c */
extern rb_encoding OnigEncodingUS_ASCII;
/* util.c */
char *ruby_dtoa(double d_, int mode, int ndigits, int *decpt, int *sign, char **rve);
char *ruby_hdtoa(double d, const char *xdigs, int ndigits, int *decpt, int *sign, char **rve);
/* utf_8.c */
extern rb_encoding OnigEncodingUTF_8;
/* variable.c */
size_t rb_generic_ivar_memsize(VALUE);
VALUE rb_search_class_path(VALUE);
/* version.c */
extern VALUE ruby_engine_name;
/* vm_insnhelper.h */
rb_serial_t rb_next_class_serial(void);
/* vm.c */
VALUE rb_obj_is_thread(VALUE obj);
void rb_vm_mark(void *ptr);
void Init_BareVM(void);
void Init_vm_objects(void);
VALUE rb_vm_top_self(void);
void rb_thread_recycle_stack_release(VALUE *);
void rb_vm_change_state(void);
void rb_vm_inc_const_missing_count(void);
void rb_thread_mark(void *th);
const void **rb_vm_get_insns_address_table(void);
VALUE rb_sourcefilename(void);
void rb_vm_pop_cfunc_frame(void);
int rb_vm_add_root_module(ID id, VALUE module);
void rb_vm_check_redefinition_by_prepend(VALUE klass);
VALUE rb_yield_refine_block(VALUE refinement, VALUE refinements);
VALUE ruby_vm_sysstack_error_copy(void);
/* vm_dump.c */
void rb_print_backtrace(void);
/* vm_eval.c */
void Init_vm_eval(void);
VALUE rb_current_realfilepath(void);
VALUE rb_check_block_call(VALUE, ID, int, const VALUE *, rb_block_call_func_t, VALUE);
typedef void rb_check_funcall_hook(int, VALUE, ID, int, const VALUE *, VALUE);
VALUE rb_check_funcall_with_hook(VALUE recv, ID mid, int argc, const VALUE *argv,
rb_check_funcall_hook *hook, VALUE arg);
VALUE rb_catch_protect(VALUE t, rb_block_call_func *func, VALUE data, int *stateptr);
/* vm_insnhelper.c */
VALUE rb_equal_opt(VALUE obj1, VALUE obj2);
/* vm_method.c */
void Init_eval_method(void);
int rb_method_defined_by(VALUE obj, ID mid, VALUE (*cfunc)(ANYARGS));
/* miniprelude.c, prelude.c */
void Init_prelude(void);
/* vm_backtrace.c */
void Init_vm_backtrace(void);
VALUE rb_vm_thread_backtrace(int argc, const VALUE *argv, VALUE thval);
VALUE rb_vm_thread_backtrace_locations(int argc, const VALUE *argv, VALUE thval);
VALUE rb_make_backtrace(void);
void rb_backtrace_print_as_bugreport(void);
int rb_backtrace_p(VALUE obj);
VALUE rb_backtrace_to_str_ary(VALUE obj);
VALUE rb_backtrace_to_location_ary(VALUE obj);
void rb_backtrace_print_to(VALUE output);
VALUE rb_vm_backtrace_object(void);
RUBY_SYMBOL_EXPORT_BEGIN
const char *rb_objspace_data_type_name(VALUE obj);
/* Temporary. This API will be removed (renamed). */
VALUE rb_thread_io_blocking_region(rb_blocking_function_t *func, void *data1, int fd);
/* bignum.c (export) */
VALUE rb_big_mul_normal(VALUE x, VALUE y);
VALUE rb_big_mul_balance(VALUE x, VALUE y);
VALUE rb_big_mul_karatsuba(VALUE x, VALUE y);
VALUE rb_big_mul_toom3(VALUE x, VALUE y);
VALUE rb_big_sq_fast(VALUE x);
VALUE rb_big_divrem_normal(VALUE x, VALUE y);
VALUE rb_big2str_poweroftwo(VALUE x, int base);
VALUE rb_big2str_generic(VALUE x, int base);
VALUE rb_str2big_poweroftwo(VALUE arg, int base, int badcheck);
VALUE rb_str2big_normal(VALUE arg, int base, int badcheck);
VALUE rb_str2big_karatsuba(VALUE arg, int base, int badcheck);
#if defined(HAVE_LIBGMP) && defined(HAVE_GMP_H)
VALUE rb_big_mul_gmp(VALUE x, VALUE y);
VALUE rb_big_divrem_gmp(VALUE x, VALUE y);
VALUE rb_big2str_gmp(VALUE x, int base);
VALUE rb_str2big_gmp(VALUE arg, int base, int badcheck);
#endif
/* error.c (export) */
int rb_bug_reporter_add(void (*func)(FILE *, void *), void *data);
/* file.c (export) */
#ifdef __APPLE__
VALUE rb_str_normalize_ospath(const char *ptr, long len);
#endif
/* hash.c (export) */
VALUE rb_hash_delete_entry(VALUE hash, VALUE key);
/* io.c (export) */
void rb_maygvl_fd_fix_cloexec(int fd);
/* numeric.c (export) */
VALUE rb_int_positive_pow(long x, unsigned long y);
/* process.c (export) */
int rb_exec_async_signal_safe(const struct rb_execarg *e, char *errmsg, size_t errmsg_buflen);
rb_pid_t rb_fork_async_signal_safe(int *status, int (*chfunc)(void*, char *, size_t), void *charg, VALUE fds, char *errmsg, size_t errmsg_buflen);
VALUE rb_execarg_new(int argc, const VALUE *argv, int accept_shell);
struct rb_execarg *rb_execarg_get(VALUE execarg_obj); /* dangerous. needs GC guard. */
VALUE rb_execarg_init(int argc, const VALUE *argv, int accept_shell, VALUE execarg_obj);
int rb_execarg_addopt(VALUE execarg_obj, VALUE key, VALUE val);
void rb_execarg_fixup(VALUE execarg_obj);
int rb_execarg_run_options(const struct rb_execarg *e, struct rb_execarg *s, char* errmsg, size_t errmsg_buflen);
VALUE rb_execarg_extract_options(VALUE execarg_obj, VALUE opthash);
void rb_execarg_setenv(VALUE execarg_obj, VALUE env);
/* rational.c (export) */
VALUE rb_gcd_normal(VALUE self, VALUE other);
#if defined(HAVE_LIBGMP) && defined(HAVE_GMP_H)
VALUE rb_gcd_gmp(VALUE x, VALUE y);
#endif
/* string.c (export) */
#ifdef RUBY_ENCODING_H
/* internal use */
VALUE rb_setup_fake_str(struct RString *fake_str, const char *name, long len, rb_encoding *enc);
#endif
/* util.c (export) */
extern const signed char ruby_digit36_to_number_table[];
extern const char ruby_hexdigits[];
/* variable.c (export) */
void rb_gc_mark_global_tbl(void);
void rb_mark_generic_ivar(VALUE);
void rb_mark_generic_ivar_tbl(void);
VALUE rb_const_missing(VALUE klass, VALUE name);
int rb_st_insert_id_and_value(VALUE obj, st_table *tbl, ID key, VALUE value);
st_table *rb_st_copy(VALUE obj, struct st_table *orig_tbl);
/* gc.c (export) */
size_t rb_obj_memsize_of(VALUE);
void rb_gc_verify_internal_consistency(void);
#define RB_OBJ_GC_FLAGS_MAX 5
size_t rb_obj_gc_flags(VALUE, ID[], size_t);
void rb_gc_mark_values(long n, const VALUE *values);
#if IMEMO_DEBUG
VALUE rb_imemo_new_debug(enum imemo_type type, VALUE v1, VALUE v2, VALUE v3, VALUE v0, const char *file, int line);
#endif
VALUE rb_imemo_new(enum imemo_type type, VALUE v1, VALUE v2, VALUE v3, VALUE v0);
RUBY_SYMBOL_EXPORT_END
#if defined(__cplusplus)
#if 0
{ /* satisfy cc-mode */
#endif
} /* extern "C" { */
#endif
#endif /* RUBY_INTERNAL_H */
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