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ruby/internal.h

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21 KiB
C
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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
#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
# 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_classext_struct {
VALUE super;
struct st_table *iv_tbl;
struct st_table *const_tbl;
VALUE origin;
VALUE refined_class;
rb_alloc_func_t allocator;
};
#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(c)->iv_index_tbl)
#define RCLASS_ORIGIN(c) (RCLASS_EXT(c)->origin)
#define RCLASS_REFINED_CLASS(c) (RCLASS_EXT(c)->refined_class)
#undef RCLASS_SUPER
static inline VALUE
RCLASS_SUPER(VALUE klass)
{
return RCLASS_EXT(klass)->super;
}
static inline VALUE
RCLASS_SET_SUPER(VALUE klass, VALUE super)
{
OBJ_WRITE(klass, &RCLASS_EXT(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);
VALUE rb_ary_cat(VALUE, const 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 */
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);
/* 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 {
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
};
#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));
# 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)
#else
# define rb_sys_fail_path(path) rb_sys_fail_str(path)
#endif
#ifdef _WIN32
/* file.c, win32/file.c */
void rb_w32_init_file(void);
#endif
/* gc.c */
void Init_heap(void);
void *ruby_mimmalloc(size_t size);
void rb_objspace_set_event_hook(const rb_event_flag_t event);
void rb_gc_writebarrier_remember_promoted(VALUE obj);
/* hash.c */
struct st_table *rb_hash_tbl_raw(VALUE hash);
#define RHASH_TBL_RAW(h) rb_hash_tbl_raw(h)
/* 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);
/* 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);
/* object.c */
VALUE rb_obj_equal(VALUE obj1, VALUE obj2);
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); \
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(void);
/* 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 {
int use_shell;
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 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;
VALUE fd_dup2;
VALUE fd_close;
VALUE fd_open;
VALUE fd_dup2_child;
int close_others_maxhint;
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);
/* 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 */
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
/* 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.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);
/* 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, VALUE *, VALUE (*)(ANYARGS), 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);
/* 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, 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_vm_backtrace_object();
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_big2str_poweroftwo(VALUE x, int base);
VALUE rb_big2str_generic(VALUE x, int base);
#if defined(HAVE_LIBGMP) && defined(HAVE_GMP_H)
VALUE rb_big_mul_gmp(VALUE x, VALUE y);
VALUE rb_big2str_gmp(VALUE x, int base);
#endif
/* 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);
/* 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_gc_count();
RUBY_SYMBOL_EXPORT_END
#if defined(__cplusplus)
#if 0
{ /* satisfy cc-mode */
#endif
} /* extern "C" { */
#endif
#endif /* RUBY_INTERNAL_H */
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