/**********************************************************************

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

#if defined(__cplusplus)

extern "C" {

#if 0

} /* satisfy cc-mode */

#endif

#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 STATIC_ASSERT(name, expr) typedef int static_assert_##name##_check[1 - 2*!(expr)]

#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))))

#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_meth_cache {

};

struct rb_classext_struct {

};

static inline void

rb_method_cache_clear(VALUE klass)

{

struct rb_classext_struct *ext = RCLASS(klass)->ptr;

if (ext->cache.entries) {

xfree(ext->cache.entries);

ext->cache.entries = NULL;

}

}

struct method_table_wrapper {

st_table *tbl;

size_t serial;

};

/* 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_WRAPPER(c) (RCLASS(c)->m_tbl_wrapper)

#define RCLASS_M_TBL(c) (RCLASS_M_TBL_WRAPPER(c) ? RCLASS_M_TBL_WRAPPER(c)->tbl : 0)

#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)

static inline void

RCLASS_M_TBL_INIT(VALUE c)

{

struct method_table_wrapper *wrapper;

wrapper = ALLOC(struct method_table_wrapper);

wrapper->tbl = st_init_numtable();

wrapper->serial = 0;

RCLASS_M_TBL_WRAPPER(c) = wrapper;

}

#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;

}

struct vtm; /* defined by timev.h */

/* array.c */

VALUE rb_ary_last(int, VALUE *, VALUE);

void rb_ary_set_len(VALUE, long);

void rb_ary_delete_same(VALUE, VALUE);

/* bignum.c */

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));

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, VALUE *argv, VALUE obj);

VALUE rb_obj_protected_methods(int argc, VALUE *argv, VALUE obj);

VALUE rb_obj_private_methods(int argc, VALUE *argv, VALUE obj);

VALUE rb_obj_public_methods(int argc, 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_ext(void);

/* encoding.c */

#ifdef RUBY_ENCODING_H

enum ruby_preserved_encindex {

};

#endif

#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);

/* error.c */

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);

/* 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 */

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);

void rb_gc_writebarrier_remember_promoted(VALUE obj);

void ruby_gc_set_params(int safe_level);

#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);

#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);

/* 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);

NORETURN(void rb_load_fail(VALUE, const char*));

/* 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, VALUE *argv);

VALUE rb_math_sin(VALUE);

VALUE rb_math_sinh(VALUE);

VALUE rb_math_sqrt(VALUE);

/* 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);

#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 */

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);

void rb_gc_mark_parser(void);

void rb_gc_mark_symbols(int full_mark);

/* 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);

/* process.c */

#define RB_MAX_GROUPS (65536)

struct rb_execarg {

};

/* 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);

/* re.c */

VALUE rb_reg_compile(VALUE str, int options, const char *sourcefile, int sourceline);

VALUE rb_reg_check_preprocess(VALUE);

/* signal.c */

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 */

VALUE rb_fstring(VALUE);

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_ASSOC FL_USER3

#define STR_SHARED_P(s) FL_ALL((s), STR_NOEMBED|ELTS_SHARED)

#define STR_ASSOC_P(s) FL_ALL((s), STR_NOEMBED|STR_ASSOC)

#define STR_NOCAPA (STR_NOEMBED|ELTS_SHARED|STR_ASSOC)

#define STR_NOCAPA_P(s) (FL_TEST((s),STR_NOEMBED) && FL_ANY((s),ELTS_SHARED|STR_ASSOC))

#define STR_EMBED_P(str) (!FL_TEST((str), STR_NOEMBED))

#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)

/* 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);

/* 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);

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);

/* vm_dump.c */

void rb_vm_bugreport(void);

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);

int rb_get_kwargs(VALUE keyword_hash, const ID *table, int required, int optional, VALUE *);

VALUE rb_extract_keywords(VALUE *orighash);

/* vm_method.c */

void Init_eval_method(void);

int rb_method_defined_by(VALUE obj, ID mid, VALUE (*cfunc)(ANYARGS));

void rb_method_cache_copy(VALUE from, VALUE to);

/* miniprelude.c, prelude.c */

void Init_prelude(void);

/* vm_backtrace.c */

void Init_vm_backtrace(void);

VALUE rb_vm_thread_backtrace(int argc, VALUE *argv, VALUE thval);

VALUE rb_vm_thread_backtrace_locations(int argc, 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 */

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 */

int rb_bug_reporter_add(void (*func)(FILE *, void *), void *data);

/* file.c */

#ifdef __APPLE__

VALUE rb_str_normalize_ospath(const char *ptr, long len);

#endif

/* io.c */

void rb_maygvl_fd_fix_cloexec(int fd);

/* numeric.c */

VALUE rb_int_positive_pow(long x, unsigned long y);

/* process.c */

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, VALUE *argv, int accept_shell);

struct rb_execarg *rb_execarg_get(VALUE execarg_obj); /* dangerous. needs GC guard. */

VALUE rb_execarg_init(int argc, 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 */

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

/* util.c */

extern const signed char ruby_digit36_to_number_table[];

/* variable.c */

void rb_gc_mark_global_tbl(void);

void rb_mark_generic_ivar(VALUE);

void rb_mark_generic_ivar_tbl(void);

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 */

size_t rb_obj_memsize_of(VALUE);

#define RB_OBJ_GC_FLAGS_MAX 5

size_t rb_obj_gc_flags(VALUE, ID[], size_t);

RUBY_SYMBOL_EXPORT_END

#if defined(__cplusplus)

#if 0

{ /* satisfy cc-mode */

#endif

} /* extern "C" { */

#endif

#endif /* RUBY_INTERNAL_H */