1/**********************************************************************
2
3  intern.h -
4
5  $Author: nagachika $
6  created at: Thu Jun 10 14:22:17 JST 1993
7
8  Copyright (C) 1993-2007 Yukihiro Matsumoto
9  Copyright (C) 2000  Network Applied Communication Laboratory, Inc.
10  Copyright (C) 2000  Information-technology Promotion Agency, Japan
11
12**********************************************************************/
13
14#ifndef RUBY_INTERN_H
15#define RUBY_INTERN_H 1
16
17#if defined(__cplusplus)
18extern "C" {
19#if 0
20} /* satisfy cc-mode */
21#endif
22#endif
23
24#include "ruby/defines.h"
25#ifdef RUBY_EXTCONF_H
26#include RUBY_EXTCONF_H
27#endif
28
29#ifdef HAVE_STDARG_PROTOTYPES
30# include <stdarg.h>
31#else
32# include <varargs.h>
33#endif
34
35#if defined(HAVE_SYS_TYPES_H)
36#include <sys/types.h>
37#endif
38
39#if defined(HAVE_SYS_TIME_H)
40#include <sys/time.h>
41#endif
42
43#include "ruby/st.h"
44
45#if defined __GNUC__ && __GNUC__ >= 4
46#pragma GCC visibility push(default)
47#endif
48
49/*
50 * Functions and variables that are used by more than one source file of
51 * the kernel.
52 */
53
54#define UNLIMITED_ARGUMENTS (-1)
55
56/* array.c */
57void rb_mem_clear(register VALUE*, register long);
58VALUE rb_assoc_new(VALUE, VALUE);
59VALUE rb_check_array_type(VALUE);
60VALUE rb_ary_new(void);
61VALUE rb_ary_new2(long);
62VALUE rb_ary_new3(long,...);
63VALUE rb_ary_new4(long, const VALUE *);
64VALUE rb_ary_tmp_new(long);
65void rb_ary_free(VALUE);
66void rb_ary_modify(VALUE);
67VALUE rb_ary_freeze(VALUE);
68VALUE rb_ary_shared_with_p(VALUE, VALUE);
69VALUE rb_ary_aref(int, VALUE*, VALUE);
70VALUE rb_ary_subseq(VALUE, long, long);
71void rb_ary_store(VALUE, long, VALUE);
72VALUE rb_ary_dup(VALUE);
73VALUE rb_ary_resurrect(VALUE ary);
74VALUE rb_ary_to_ary(VALUE);
75VALUE rb_ary_to_s(VALUE);
76VALUE rb_ary_push(VALUE, VALUE);
77VALUE rb_ary_pop(VALUE);
78VALUE rb_ary_shift(VALUE);
79VALUE rb_ary_unshift(VALUE, VALUE);
80VALUE rb_ary_entry(VALUE, long);
81VALUE rb_ary_each(VALUE);
82VALUE rb_ary_join(VALUE, VALUE);
83VALUE rb_ary_reverse(VALUE);
84VALUE rb_ary_rotate(VALUE, long);
85VALUE rb_ary_sort(VALUE);
86VALUE rb_ary_sort_bang(VALUE);
87VALUE rb_ary_delete(VALUE, VALUE);
88VALUE rb_ary_delete_at(VALUE, long);
89VALUE rb_ary_clear(VALUE);
90VALUE rb_ary_plus(VALUE, VALUE);
91VALUE rb_ary_concat(VALUE, VALUE);
92VALUE rb_ary_assoc(VALUE, VALUE);
93VALUE rb_ary_rassoc(VALUE, VALUE);
94VALUE rb_ary_includes(VALUE, VALUE);
95VALUE rb_ary_cmp(VALUE, VALUE);
96VALUE rb_ary_replace(VALUE copy, VALUE orig);
97VALUE rb_get_values_at(VALUE, long, int, VALUE*, VALUE(*)(VALUE,long));
98VALUE rb_ary_resize(VALUE ary, long len);
99/* bignum.c */
100VALUE rb_big_new(long, int);
101int rb_bigzero_p(VALUE x);
102VALUE rb_big_clone(VALUE);
103void rb_big_2comp(VALUE);
104VALUE rb_big_norm(VALUE);
105void rb_big_resize(VALUE big, long len);
106VALUE rb_uint2big(VALUE);
107VALUE rb_int2big(SIGNED_VALUE);
108VALUE rb_uint2inum(VALUE);
109VALUE rb_int2inum(SIGNED_VALUE);
110VALUE rb_cstr_to_inum(const char*, int, int);
111VALUE rb_str_to_inum(VALUE, int, int);
112VALUE rb_cstr2inum(const char*, int);
113VALUE rb_str2inum(VALUE, int);
114VALUE rb_big2str(VALUE, int);
115VALUE rb_big2str0(VALUE, int, int);
116SIGNED_VALUE rb_big2long(VALUE);
117#define rb_big2int(x) rb_big2long(x)
118VALUE rb_big2ulong(VALUE);
119#define rb_big2uint(x) rb_big2ulong(x)
120VALUE rb_big2ulong_pack(VALUE x);
121#if HAVE_LONG_LONG
122VALUE rb_ll2inum(LONG_LONG);
123VALUE rb_ull2inum(unsigned LONG_LONG);
124LONG_LONG rb_big2ll(VALUE);
125unsigned LONG_LONG rb_big2ull(VALUE);
126#endif  /* HAVE_LONG_LONG */
127DEPRECATED(void rb_quad_pack(char*,VALUE));
128DEPRECATED(VALUE rb_quad_unpack(const char*,int));
129void rb_big_pack(VALUE val, unsigned long *buf, long num_longs);
130VALUE rb_big_unpack(unsigned long *buf, long num_longs);
131int rb_uv_to_utf8(char[6],unsigned long);
132VALUE rb_dbl2big(double);
133double rb_big2dbl(VALUE);
134VALUE rb_big_cmp(VALUE, VALUE);
135VALUE rb_big_eq(VALUE, VALUE);
136VALUE rb_big_eql(VALUE, VALUE);
137VALUE rb_big_plus(VALUE, VALUE);
138VALUE rb_big_minus(VALUE, VALUE);
139VALUE rb_big_mul(VALUE, VALUE);
140VALUE rb_big_div(VALUE, VALUE);
141VALUE rb_big_idiv(VALUE, VALUE);
142VALUE rb_big_modulo(VALUE, VALUE);
143VALUE rb_big_divmod(VALUE, VALUE);
144VALUE rb_big_pow(VALUE, VALUE);
145VALUE rb_big_and(VALUE, VALUE);
146VALUE rb_big_or(VALUE, VALUE);
147VALUE rb_big_xor(VALUE, VALUE);
148VALUE rb_big_lshift(VALUE, VALUE);
149VALUE rb_big_rshift(VALUE, VALUE);
150/* rational.c */
151VALUE rb_rational_raw(VALUE, VALUE);
152#define rb_rational_raw1(x) rb_rational_raw((x), INT2FIX(1))
153#define rb_rational_raw2(x,y) rb_rational_raw((x), (y))
154VALUE rb_rational_new(VALUE, VALUE);
155#define rb_rational_new1(x) rb_rational_new((x), INT2FIX(1))
156#define rb_rational_new2(x,y) rb_rational_new((x), (y))
157VALUE rb_Rational(VALUE, VALUE);
158#define rb_Rational1(x) rb_Rational((x), INT2FIX(1))
159#define rb_Rational2(x,y) rb_Rational((x), (y))
160/* complex.c */
161VALUE rb_complex_raw(VALUE, VALUE);
162#define rb_complex_raw1(x) rb_complex_raw((x), INT2FIX(0))
163#define rb_complex_raw2(x,y) rb_complex_raw((x), (y))
164VALUE rb_complex_new(VALUE, VALUE);
165#define rb_complex_new1(x) rb_complex_new((x), INT2FIX(0))
166#define rb_complex_new2(x,y) rb_complex_new((x), (y))
167VALUE rb_complex_polar(VALUE, VALUE);
168VALUE rb_Complex(VALUE, VALUE);
169#define rb_Complex1(x) rb_Complex((x), INT2FIX(0))
170#define rb_Complex2(x,y) rb_Complex((x), (y))
171/* class.c */
172VALUE rb_class_boot(VALUE);
173VALUE rb_class_new(VALUE);
174VALUE rb_mod_init_copy(VALUE, VALUE);
175VALUE rb_singleton_class_clone(VALUE);
176void rb_singleton_class_attached(VALUE,VALUE);
177VALUE rb_make_metaclass(VALUE, VALUE);
178void rb_check_inheritable(VALUE);
179VALUE rb_class_inherited(VALUE, VALUE);
180VALUE rb_define_class_id(ID, VALUE);
181VALUE rb_define_class_id_under(VALUE, ID, VALUE);
182VALUE rb_module_new(void);
183VALUE rb_define_module_id(ID);
184VALUE rb_define_module_id_under(VALUE, ID);
185VALUE rb_include_class_new(VALUE, VALUE);
186VALUE rb_mod_included_modules(VALUE);
187VALUE rb_mod_include_p(VALUE, VALUE);
188VALUE rb_mod_ancestors(VALUE);
189VALUE rb_class_instance_methods(int, VALUE*, VALUE);
190VALUE rb_class_public_instance_methods(int, VALUE*, VALUE);
191VALUE rb_class_protected_instance_methods(int, VALUE*, VALUE);
192VALUE rb_class_private_instance_methods(int, VALUE*, VALUE);
193VALUE rb_obj_singleton_methods(int, VALUE*, VALUE);
194void rb_define_method_id(VALUE, ID, VALUE (*)(ANYARGS), int);
195void rb_frozen_class_p(VALUE);
196void rb_undef(VALUE, ID);
197void rb_define_protected_method(VALUE, const char*, VALUE (*)(ANYARGS), int);
198void rb_define_private_method(VALUE, const char*, VALUE (*)(ANYARGS), int);
199void rb_define_singleton_method(VALUE, const char*, VALUE(*)(ANYARGS), int);
200VALUE rb_singleton_class(VALUE);
201/* compar.c */
202int rb_cmpint(VALUE, VALUE, VALUE);
203NORETURN(void rb_cmperr(VALUE, VALUE));
204/* cont.c */
205VALUE rb_fiber_new(VALUE (*)(ANYARGS), VALUE);
206VALUE rb_fiber_resume(VALUE fib, int argc, VALUE *args);
207VALUE rb_fiber_yield(int argc, VALUE *args);
208VALUE rb_fiber_current(void);
209VALUE rb_fiber_alive_p(VALUE);
210/* enum.c */
211VALUE rb_enum_values_pack(int, VALUE*);
212/* enumerator.c */
213VALUE rb_enumeratorize(VALUE, VALUE, int, VALUE *);
214VALUE rb_enumeratorize_with_size(VALUE, VALUE, int, VALUE *, VALUE (*)(ANYARGS));
215#define RETURN_SIZED_ENUMERATOR(obj, argc, argv, size_fn) do {		\
216	if (!rb_block_given_p())					\
217	    return rb_enumeratorize_with_size((obj), ID2SYM(rb_frame_this_func()),\
218				    (argc), (argv), (size_fn));		\
219    } while (0)
220#define RETURN_ENUMERATOR(obj, argc, argv) RETURN_SIZED_ENUMERATOR(obj, argc, argv, 0)
221/* error.c */
222VALUE rb_exc_new(VALUE, const char*, long);
223VALUE rb_exc_new2(VALUE, const char*);
224VALUE rb_exc_new3(VALUE, VALUE);
225PRINTF_ARGS(NORETURN(void rb_loaderror(const char*, ...)), 1, 2);
226PRINTF_ARGS(NORETURN(void rb_loaderror_with_path(VALUE path, const char*, ...)), 2, 3);
227PRINTF_ARGS(NORETURN(void rb_name_error(ID, const char*, ...)), 2, 3);
228PRINTF_ARGS(NORETURN(void rb_name_error_str(VALUE, const char*, ...)), 2, 3);
229NORETURN(void rb_invalid_str(const char*, const char*));
230PRINTF_ARGS(void rb_compile_error(const char*, int, const char*, ...), 3, 4);
231PRINTF_ARGS(void rb_compile_error_with_enc(const char*, int, void *, const char*, ...), 4, 5);
232PRINTF_ARGS(void rb_compile_error_append(const char*, ...), 1, 2);
233NORETURN(void rb_error_frozen(const char*));
234void rb_error_untrusted(VALUE);
235void rb_check_frozen(VALUE);
236void rb_check_trusted(VALUE);
237#define rb_check_frozen_internal(obj) do { \
238	VALUE frozen_obj = (obj); \
239	if (OBJ_FROZEN(frozen_obj)) { \
240	    rb_error_frozen(rb_obj_classname(frozen_obj)); \
241	} \
242    } while (0)
243#define rb_check_trusted_internal(obj) do { \
244	VALUE untrusted_obj = (obj); \
245	if (!OBJ_UNTRUSTED(untrusted_obj)) { \
246	    rb_error_untrusted(untrusted_obj); \
247	} \
248    } while (0)
249#ifdef __GNUC__
250#define rb_check_frozen(obj) __extension__({rb_check_frozen_internal(obj);})
251#define rb_check_trusted(obj) __extension__({rb_check_trusted_internal(obj);})
252#else
253static inline void
254rb_check_frozen_inline(VALUE obj)
255{
256    rb_check_frozen_internal(obj);
257}
258#define rb_check_frozen(obj) rb_check_frozen_inline(obj)
259static inline void
260rb_check_trusted_inline(VALUE obj)
261{
262    rb_check_trusted_internal(obj);
263}
264#define rb_check_trusted(obj) rb_check_trusted_inline(obj)
265#endif
266void rb_check_copyable(VALUE obj, VALUE orig);
267
268#define OBJ_INIT_COPY(obj, orig) \
269    ((obj) != (orig) && (rb_obj_init_copy((obj), (orig)), 1))
270
271/* eval.c */
272int rb_sourceline(void);
273const char *rb_sourcefile(void);
274VALUE rb_check_funcall(VALUE, ID, int, VALUE*);
275
276NORETURN(void rb_error_arity(int, int, int));
277#define rb_check_arity(argc, min, max) do { \
278  if (((argc) < (min)) || ((argc) > (max) && (max) != UNLIMITED_ARGUMENTS)) \
279    rb_error_arity(argc, min, max); \
280  } while(0)
281
282#if defined(NFDBITS) && defined(HAVE_RB_FD_INIT)
283typedef struct {
284    int maxfd;
285    fd_set *fdset;
286} rb_fdset_t;
287
288void rb_fd_init(rb_fdset_t *);
289void rb_fd_term(rb_fdset_t *);
290void rb_fd_zero(rb_fdset_t *);
291void rb_fd_set(int, rb_fdset_t *);
292void rb_fd_clr(int, rb_fdset_t *);
293int rb_fd_isset(int, const rb_fdset_t *);
294void rb_fd_copy(rb_fdset_t *, const fd_set *, int);
295void rb_fd_dup(rb_fdset_t *dst, const rb_fdset_t *src);
296int rb_fd_select(int, rb_fdset_t *, rb_fdset_t *, rb_fdset_t *, struct timeval *);
297
298#define rb_fd_ptr(f)	((f)->fdset)
299#define rb_fd_max(f)	((f)->maxfd)
300
301#elif defined(_WIN32)
302
303typedef struct {
304    int capa;
305    fd_set *fdset;
306} rb_fdset_t;
307
308void rb_fd_init(rb_fdset_t *);
309void rb_fd_term(rb_fdset_t *);
310#define rb_fd_zero(f)		((f)->fdset->fd_count = 0)
311void rb_fd_set(int, rb_fdset_t *);
312#define rb_fd_clr(n, f)		rb_w32_fdclr((n), (f)->fdset)
313#define rb_fd_isset(n, f)	rb_w32_fdisset((n), (f)->fdset)
314#define rb_fd_copy(d, s, n)	rb_w32_fd_copy((d), (s), (n))
315void rb_w32_fd_copy(rb_fdset_t *, const fd_set *, int);
316#define rb_fd_dup(d, s)	rb_w32_fd_dup((d), (s))
317void rb_w32_fd_dup(rb_fdset_t *dst, const rb_fdset_t *src);
318#define rb_fd_select(n, rfds, wfds, efds, timeout)	rb_w32_select((n), (rfds) ? ((rb_fdset_t*)(rfds))->fdset : NULL, (wfds) ? ((rb_fdset_t*)(wfds))->fdset : NULL, (efds) ? ((rb_fdset_t*)(efds))->fdset: NULL, (timeout))
319#define rb_fd_resize(n, f)	((void)(f))
320
321#define rb_fd_ptr(f)	((f)->fdset)
322#define rb_fd_max(f)	((f)->fdset->fd_count)
323
324#else
325
326typedef fd_set rb_fdset_t;
327#define rb_fd_zero(f)	FD_ZERO(f)
328#define rb_fd_set(n, f)	FD_SET((n), (f))
329#define rb_fd_clr(n, f)	FD_CLR((n), (f))
330#define rb_fd_isset(n, f) FD_ISSET((n), (f))
331#define rb_fd_copy(d, s, n) (*(d) = *(s))
332#define rb_fd_dup(d, s) (*(d) = *(s))
333#define rb_fd_resize(n, f)	((void)(f))
334#define rb_fd_ptr(f)	(f)
335#define rb_fd_init(f)	FD_ZERO(f)
336#define rb_fd_init_copy(d, s) (*(d) = *(s))
337#define rb_fd_term(f)	((void)(f))
338#define rb_fd_max(f)	FD_SETSIZE
339#define rb_fd_select(n, rfds, wfds, efds, timeout)	select((n), (rfds), (wfds), (efds), (timeout))
340
341#endif
342
343NORETURN(void rb_exc_raise(VALUE));
344NORETURN(void rb_exc_fatal(VALUE));
345VALUE rb_f_exit(int,VALUE*);
346VALUE rb_f_abort(int,VALUE*);
347void rb_remove_method(VALUE, const char*);
348void rb_remove_method_id(VALUE, ID);
349#define rb_disable_super(klass, name) ((void)0)
350#define rb_enable_super(klass, name) ((void)0)
351#define HAVE_RB_DEFINE_ALLOC_FUNC 1
352typedef VALUE (*rb_alloc_func_t)(VALUE);
353void rb_define_alloc_func(VALUE, rb_alloc_func_t);
354void rb_undef_alloc_func(VALUE);
355rb_alloc_func_t rb_get_alloc_func(VALUE);
356void rb_clear_cache(void);
357void rb_clear_cache_by_class(VALUE);
358void rb_alias(VALUE, ID, ID);
359void rb_attr(VALUE,ID,int,int,int);
360int rb_method_boundp(VALUE, ID, int);
361int rb_method_basic_definition_p(VALUE, ID);
362VALUE rb_eval_cmd(VALUE, VALUE, int);
363int rb_obj_respond_to(VALUE, ID, int);
364int rb_respond_to(VALUE, ID);
365VALUE rb_f_notimplement(int argc, VALUE *argv, VALUE obj);
366void rb_interrupt(void);
367VALUE rb_apply(VALUE, ID, VALUE);
368void rb_backtrace(void);
369ID rb_frame_this_func(void);
370VALUE rb_obj_instance_eval(int, VALUE*, VALUE);
371VALUE rb_obj_instance_exec(int, VALUE*, VALUE);
372VALUE rb_mod_module_eval(int, VALUE*, VALUE);
373VALUE rb_mod_module_exec(int, VALUE*, VALUE);
374void rb_load(VALUE, int);
375void rb_load_protect(VALUE, int, int*);
376NORETURN(void rb_jump_tag(int));
377int rb_provided(const char*);
378int rb_feature_provided(const char *, const char **);
379void rb_provide(const char*);
380VALUE rb_f_require(VALUE, VALUE);
381VALUE rb_require_safe(VALUE, int);
382void rb_obj_call_init(VALUE, int, VALUE*);
383VALUE rb_class_new_instance(int, VALUE*, VALUE);
384VALUE rb_block_proc(void);
385DEPRECATED(VALUE rb_f_lambda(void));
386VALUE rb_block_lambda(void);
387VALUE rb_proc_new(VALUE (*)(ANYARGS/* VALUE yieldarg[, VALUE procarg] */), VALUE);
388VALUE rb_obj_is_proc(VALUE);
389VALUE rb_proc_call(VALUE, VALUE);
390VALUE rb_proc_call_with_block(VALUE, int argc, VALUE *argv, VALUE);
391int rb_proc_arity(VALUE);
392VALUE rb_proc_lambda_p(VALUE);
393VALUE rb_binding_new(void);
394VALUE rb_obj_method(VALUE, VALUE);
395VALUE rb_obj_is_method(VALUE);
396VALUE rb_method_call(int, VALUE*, VALUE);
397VALUE rb_method_call_with_block(int, VALUE *, VALUE, VALUE);
398int rb_mod_method_arity(VALUE, ID);
399int rb_obj_method_arity(VALUE, ID);
400VALUE rb_protect(VALUE (*)(VALUE), VALUE, int*);
401void rb_set_end_proc(void (*)(VALUE), VALUE);
402void rb_exec_end_proc(void);
403void rb_thread_schedule(void);
404void rb_thread_wait_fd(int);
405int rb_thread_fd_writable(int);
406void rb_thread_fd_close(int);
407int rb_thread_alone(void);
408DEPRECATED(void rb_thread_polling(void));
409void rb_thread_sleep(int);
410void rb_thread_sleep_forever(void);
411VALUE rb_thread_stop(void);
412VALUE rb_thread_wakeup(VALUE);
413VALUE rb_thread_wakeup_alive(VALUE);
414VALUE rb_thread_run(VALUE);
415VALUE rb_thread_kill(VALUE);
416VALUE rb_thread_create(VALUE (*)(ANYARGS), void*);
417DEPRECATED(int rb_thread_select(int, fd_set *, fd_set *, fd_set *, struct timeval *));
418int rb_thread_fd_select(int, rb_fdset_t *, rb_fdset_t *, rb_fdset_t *, struct timeval *);
419void rb_thread_wait_for(struct timeval);
420VALUE rb_thread_current(void);
421VALUE rb_thread_main(void);
422VALUE rb_thread_local_aref(VALUE, ID);
423VALUE rb_thread_local_aset(VALUE, ID, VALUE);
424void rb_thread_atfork(void);
425void rb_thread_atfork_before_exec(void);
426VALUE rb_exec_recursive(VALUE(*)(VALUE, VALUE, int),VALUE,VALUE);
427VALUE rb_exec_recursive_paired(VALUE(*)(VALUE, VALUE, int),VALUE,VALUE,VALUE);
428VALUE rb_exec_recursive_outer(VALUE(*)(VALUE, VALUE, int),VALUE,VALUE);
429VALUE rb_exec_recursive_paired_outer(VALUE(*)(VALUE, VALUE, int),VALUE,VALUE,VALUE);
430/* dir.c */
431VALUE rb_dir_getwd(void);
432/* file.c */
433VALUE rb_file_s_expand_path(int, VALUE *);
434VALUE rb_file_expand_path(VALUE, VALUE);
435VALUE rb_file_s_absolute_path(int, VALUE *);
436VALUE rb_file_absolute_path(VALUE, VALUE);
437VALUE rb_file_dirname(VALUE fname);
438int rb_find_file_ext_safe(VALUE*, const char* const*, int);
439VALUE rb_find_file_safe(VALUE, int);
440int rb_find_file_ext(VALUE*, const char* const*);
441VALUE rb_find_file(VALUE);
442VALUE rb_file_directory_p(VALUE,VALUE);
443VALUE rb_str_encode_ospath(VALUE);
444int rb_is_absolute_path(const char *);
445/* gc.c */
446NORETURN(void rb_memerror(void));
447int rb_during_gc(void);
448void rb_gc_mark_locations(VALUE*, VALUE*);
449void rb_mark_tbl(struct st_table*);
450void rb_mark_set(struct st_table*);
451void rb_mark_hash(struct st_table*);
452void rb_gc_mark_maybe(VALUE);
453void rb_gc_mark(VALUE);
454void rb_gc_force_recycle(VALUE);
455void rb_gc(void);
456void rb_gc_copy_finalizer(VALUE,VALUE);
457void rb_gc_finalize_deferred(void);
458void rb_gc_call_finalizer_at_exit(void);
459VALUE rb_gc_enable(void);
460VALUE rb_gc_disable(void);
461VALUE rb_gc_start(void);
462void rb_gc_set_params(void);
463/* hash.c */
464void st_foreach_safe(struct st_table *, int (*)(ANYARGS), st_data_t);
465VALUE rb_check_hash_type(VALUE);
466void rb_hash_foreach(VALUE, int (*)(ANYARGS), VALUE);
467VALUE rb_hash(VALUE);
468VALUE rb_hash_new(void);
469VALUE rb_hash_dup(VALUE);
470VALUE rb_hash_freeze(VALUE);
471VALUE rb_hash_aref(VALUE, VALUE);
472VALUE rb_hash_lookup(VALUE, VALUE);
473VALUE rb_hash_lookup2(VALUE, VALUE, VALUE);
474VALUE rb_hash_fetch(VALUE, VALUE);
475VALUE rb_hash_aset(VALUE, VALUE, VALUE);
476VALUE rb_hash_clear(VALUE);
477VALUE rb_hash_delete_if(VALUE);
478VALUE rb_hash_delete(VALUE,VALUE);
479typedef VALUE rb_hash_update_func(VALUE newkey, VALUE oldkey, VALUE value);
480VALUE rb_hash_update_by(VALUE hash1, VALUE hash2, rb_hash_update_func *func);
481struct st_table *rb_hash_tbl(VALUE);
482int rb_path_check(const char*);
483int rb_env_path_tainted(void);
484VALUE rb_env_clear(void);
485/* io.c */
486#define rb_defout rb_stdout
487RUBY_EXTERN VALUE rb_fs;
488RUBY_EXTERN VALUE rb_output_fs;
489RUBY_EXTERN VALUE rb_rs;
490RUBY_EXTERN VALUE rb_default_rs;
491RUBY_EXTERN VALUE rb_output_rs;
492VALUE rb_io_write(VALUE, VALUE);
493VALUE rb_io_gets(VALUE);
494VALUE rb_io_getbyte(VALUE);
495VALUE rb_io_ungetc(VALUE, VALUE);
496VALUE rb_io_ungetbyte(VALUE, VALUE);
497VALUE rb_io_close(VALUE);
498VALUE rb_io_flush(VALUE);
499VALUE rb_io_eof(VALUE);
500VALUE rb_io_binmode(VALUE);
501VALUE rb_io_ascii8bit_binmode(VALUE);
502VALUE rb_io_addstr(VALUE, VALUE);
503VALUE rb_io_printf(int, VALUE*, VALUE);
504VALUE rb_io_print(int, VALUE*, VALUE);
505VALUE rb_io_puts(int, VALUE*, VALUE);
506VALUE rb_io_fdopen(int, int, const char*);
507VALUE rb_io_get_io(VALUE);
508VALUE rb_file_open(const char*, const char*);
509VALUE rb_file_open_str(VALUE, const char*);
510VALUE rb_gets(void);
511void rb_write_error(const char*);
512void rb_write_error2(const char*, long);
513void rb_close_before_exec(int lowfd, int maxhint, VALUE noclose_fds);
514int rb_pipe(int *pipes);
515int rb_reserved_fd_p(int fd);
516int rb_cloexec_open(const char *pathname, int flags, mode_t mode);
517int rb_cloexec_dup(int oldfd);
518int rb_cloexec_dup2(int oldfd, int newfd);
519int rb_cloexec_pipe(int fildes[2]);
520int rb_cloexec_fcntl_dupfd(int fd, int minfd);
521#define RB_RESERVED_FD_P(fd) rb_reserved_fd_p(fd)
522void rb_update_max_fd(int fd);
523void rb_fd_fix_cloexec(int fd);
524/* marshal.c */
525VALUE rb_marshal_dump(VALUE, VALUE);
526VALUE rb_marshal_load(VALUE);
527void rb_marshal_define_compat(VALUE newclass, VALUE oldclass, VALUE (*dumper)(VALUE), VALUE (*loader)(VALUE, VALUE));
528/* numeric.c */
529NORETURN(void rb_num_zerodiv(void));
530#define RB_NUM_COERCE_FUNCS_NEED_OPID 1
531VALUE rb_num_coerce_bin(VALUE, VALUE, ID);
532VALUE rb_num_coerce_cmp(VALUE, VALUE, ID);
533VALUE rb_num_coerce_relop(VALUE, VALUE, ID);
534VALUE rb_num_coerce_bit(VALUE, VALUE, ID);
535VALUE rb_num2fix(VALUE);
536VALUE rb_fix2str(VALUE, int);
537VALUE rb_dbl_cmp(double, double);
538/* object.c */
539int rb_eql(VALUE, VALUE);
540VALUE rb_any_to_s(VALUE);
541VALUE rb_inspect(VALUE);
542VALUE rb_obj_is_instance_of(VALUE, VALUE);
543VALUE rb_obj_is_kind_of(VALUE, VALUE);
544VALUE rb_obj_alloc(VALUE);
545VALUE rb_obj_clone(VALUE);
546VALUE rb_obj_dup(VALUE);
547VALUE rb_obj_init_copy(VALUE,VALUE);
548VALUE rb_obj_taint(VALUE);
549VALUE rb_obj_tainted(VALUE);
550VALUE rb_obj_untaint(VALUE);
551VALUE rb_obj_untrust(VALUE);
552VALUE rb_obj_untrusted(VALUE);
553VALUE rb_obj_trust(VALUE);
554VALUE rb_obj_freeze(VALUE);
555VALUE rb_obj_frozen_p(VALUE);
556VALUE rb_obj_id(VALUE);
557VALUE rb_obj_class(VALUE);
558VALUE rb_class_real(VALUE);
559VALUE rb_class_inherited_p(VALUE, VALUE);
560VALUE rb_class_superclass(VALUE);
561VALUE rb_class_get_superclass(VALUE);
562VALUE rb_convert_type(VALUE,int,const char*,const char*);
563VALUE rb_check_convert_type(VALUE,int,const char*,const char*);
564VALUE rb_check_to_integer(VALUE, const char *);
565VALUE rb_check_to_float(VALUE);
566VALUE rb_to_int(VALUE);
567VALUE rb_check_to_int(VALUE);
568VALUE rb_Integer(VALUE);
569VALUE rb_to_float(VALUE);
570VALUE rb_Float(VALUE);
571VALUE rb_String(VALUE);
572VALUE rb_Array(VALUE);
573VALUE rb_Hash(VALUE);
574double rb_cstr_to_dbl(const char*, int);
575double rb_str_to_dbl(VALUE, int);
576/* parse.y */
577RUBY_EXTERN int   ruby_sourceline;
578RUBY_EXTERN char *ruby_sourcefile;
579ID rb_id_attrset(ID);
580int rb_is_const_id(ID);
581int rb_is_global_id(ID);
582int rb_is_instance_id(ID);
583int rb_is_attrset_id(ID);
584int rb_is_class_id(ID);
585int rb_is_local_id(ID);
586int rb_is_junk_id(ID);
587int rb_symname_p(const char*);
588int rb_sym_interned_p(VALUE);
589VALUE rb_backref_get(void);
590void rb_backref_set(VALUE);
591VALUE rb_lastline_get(void);
592void rb_lastline_set(VALUE);
593VALUE rb_sym_all_symbols(void);
594/* process.c */
595void rb_last_status_set(int status, rb_pid_t pid);
596VALUE rb_last_status_get(void);
597struct rb_exec_arg {
598    VALUE execarg_obj;
599};
600DEPRECATED(int rb_proc_exec_n(int, VALUE*, const char*));
601int rb_proc_exec(const char*);
602DEPRECATED(VALUE rb_exec_arg_init(int argc, VALUE *argv, int accept_shell, struct rb_exec_arg *e));
603DEPRECATED(int rb_exec_arg_addopt(struct rb_exec_arg *e, VALUE key, VALUE val));
604DEPRECATED(void rb_exec_arg_fixup(struct rb_exec_arg *e));
605DEPRECATED(int rb_run_exec_options(const struct rb_exec_arg *e, struct rb_exec_arg *s));
606DEPRECATED(int rb_run_exec_options_err(const struct rb_exec_arg *e, struct rb_exec_arg *s, char*, size_t));
607DEPRECATED(int rb_exec(const struct rb_exec_arg*));
608DEPRECATED(int rb_exec_err(const struct rb_exec_arg*, char*, size_t));
609DEPRECATED(rb_pid_t rb_fork(int*, int (*)(void*), void*, VALUE));
610DEPRECATED(rb_pid_t rb_fork_err(int*, int (*)(void*, char*, size_t), void*, VALUE, char*, size_t));
611VALUE rb_f_exec(int,VALUE*);
612rb_pid_t rb_waitpid(rb_pid_t pid, int *status, int flags);
613void rb_syswait(rb_pid_t pid);
614rb_pid_t rb_spawn(int, VALUE*);
615rb_pid_t rb_spawn_err(int, VALUE*, char*, size_t);
616VALUE rb_proc_times(VALUE);
617VALUE rb_detach_process(rb_pid_t pid);
618/* range.c */
619VALUE rb_range_new(VALUE, VALUE, int);
620VALUE rb_range_beg_len(VALUE, long*, long*, long, int);
621int rb_range_values(VALUE range, VALUE *begp, VALUE *endp, int *exclp);
622/* random.c */
623unsigned int rb_genrand_int32(void);
624double rb_genrand_real(void);
625void rb_reset_random_seed(void);
626VALUE rb_random_bytes(VALUE rnd, long n);
627VALUE rb_random_int(VALUE rnd, VALUE max);
628unsigned int rb_random_int32(VALUE rnd);
629double rb_random_real(VALUE rnd);
630unsigned long rb_random_ulong_limited(VALUE rnd, unsigned long limit);
631unsigned long rb_genrand_ulong_limited(unsigned long i);
632/* re.c */
633#define rb_memcmp memcmp
634int rb_memcicmp(const void*,const void*,long);
635void rb_match_busy(VALUE);
636VALUE rb_reg_nth_defined(int, VALUE);
637VALUE rb_reg_nth_match(int, VALUE);
638int rb_reg_backref_number(VALUE match, VALUE backref);
639VALUE rb_reg_last_match(VALUE);
640VALUE rb_reg_match_pre(VALUE);
641VALUE rb_reg_match_post(VALUE);
642VALUE rb_reg_match_last(VALUE);
643#define HAVE_RB_REG_NEW_STR 1
644VALUE rb_reg_new_str(VALUE, int);
645VALUE rb_reg_new(const char *, long, int);
646VALUE rb_reg_alloc(void);
647VALUE rb_reg_init_str(VALUE re, VALUE s, int options);
648VALUE rb_reg_match(VALUE, VALUE);
649VALUE rb_reg_match2(VALUE);
650int rb_reg_options(VALUE);
651/* ruby.c */
652#define rb_argv rb_get_argv()
653RUBY_EXTERN VALUE rb_argv0;
654VALUE rb_get_argv(void);
655void *rb_load_file(const char*);
656/* signal.c */
657VALUE rb_f_kill(int, VALUE*);
658#ifdef POSIX_SIGNAL
659#define posix_signal ruby_posix_signal
660RETSIGTYPE (*posix_signal(int, RETSIGTYPE (*)(int)))(int);
661#endif
662void rb_trap_exit(void);
663void rb_trap_exec(void);
664const char *ruby_signal_name(int);
665void ruby_default_signal(int);
666/* sprintf.c */
667VALUE rb_f_sprintf(int, const VALUE*);
668PRINTF_ARGS(VALUE rb_sprintf(const char*, ...), 1, 2);
669VALUE rb_vsprintf(const char*, va_list);
670PRINTF_ARGS(VALUE rb_str_catf(VALUE, const char*, ...), 2, 3);
671VALUE rb_str_vcatf(VALUE, const char*, va_list);
672VALUE rb_str_format(int, const VALUE *, VALUE);
673/* string.c */
674VALUE rb_str_new(const char*, long);
675VALUE rb_str_new_cstr(const char*);
676VALUE rb_str_new2(const char*);
677VALUE rb_str_new_shared(VALUE);
678VALUE rb_str_new3(VALUE);
679VALUE rb_str_new_frozen(VALUE);
680VALUE rb_str_new4(VALUE);
681VALUE rb_str_new_with_class(VALUE, const char*, long);
682VALUE rb_str_new5(VALUE, const char*, long);
683VALUE rb_tainted_str_new_cstr(const char*);
684VALUE rb_tainted_str_new(const char*, long);
685VALUE rb_tainted_str_new2(const char*);
686VALUE rb_external_str_new(const char*, long);
687VALUE rb_external_str_new_cstr(const char*);
688VALUE rb_locale_str_new(const char*, long);
689VALUE rb_locale_str_new_cstr(const char*);
690VALUE rb_filesystem_str_new(const char*, long);
691VALUE rb_filesystem_str_new_cstr(const char*);
692VALUE rb_str_buf_new(long);
693VALUE rb_str_buf_new_cstr(const char*);
694VALUE rb_str_buf_new2(const char*);
695VALUE rb_str_tmp_new(long);
696VALUE rb_usascii_str_new(const char*, long);
697VALUE rb_usascii_str_new_cstr(const char*);
698VALUE rb_usascii_str_new2(const char*);
699void rb_str_free(VALUE);
700void rb_str_shared_replace(VALUE, VALUE);
701VALUE rb_str_buf_append(VALUE, VALUE);
702VALUE rb_str_buf_cat(VALUE, const char*, long);
703VALUE rb_str_buf_cat2(VALUE, const char*);
704VALUE rb_str_buf_cat_ascii(VALUE, const char*);
705VALUE rb_obj_as_string(VALUE);
706VALUE rb_check_string_type(VALUE);
707void rb_must_asciicompat(VALUE);
708VALUE rb_str_dup(VALUE);
709VALUE rb_str_resurrect(VALUE str);
710VALUE rb_str_locktmp(VALUE);
711VALUE rb_str_unlocktmp(VALUE);
712VALUE rb_str_dup_frozen(VALUE);
713#define rb_str_dup_frozen rb_str_new_frozen
714VALUE rb_str_plus(VALUE, VALUE);
715VALUE rb_str_times(VALUE, VALUE);
716long rb_str_sublen(VALUE, long);
717VALUE rb_str_substr(VALUE, long, long);
718VALUE rb_str_subseq(VALUE, long, long);
719void rb_str_modify(VALUE);
720void rb_str_modify_expand(VALUE, long);
721VALUE rb_str_freeze(VALUE);
722void rb_str_set_len(VALUE, long);
723VALUE rb_str_resize(VALUE, long);
724VALUE rb_str_cat(VALUE, const char*, long);
725VALUE rb_str_cat2(VALUE, const char*);
726VALUE rb_str_append(VALUE, VALUE);
727VALUE rb_str_concat(VALUE, VALUE);
728st_index_t rb_memhash(const void *ptr, long len);
729st_index_t rb_hash_start(st_index_t);
730st_index_t rb_hash_uint32(st_index_t, uint32_t);
731st_index_t rb_hash_uint(st_index_t, st_index_t);
732st_index_t rb_hash_end(st_index_t);
733#define rb_hash_uint32(h, i) st_hash_uint32((h), (i))
734#define rb_hash_uint(h, i) st_hash_uint((h), (i))
735#define rb_hash_end(h) st_hash_end(h)
736st_index_t rb_str_hash(VALUE);
737int rb_str_hash_cmp(VALUE,VALUE);
738int rb_str_comparable(VALUE, VALUE);
739int rb_str_cmp(VALUE, VALUE);
740VALUE rb_str_equal(VALUE str1, VALUE str2);
741VALUE rb_str_drop_bytes(VALUE, long);
742void rb_str_update(VALUE, long, long, VALUE);
743VALUE rb_str_replace(VALUE, VALUE);
744VALUE rb_str_inspect(VALUE);
745VALUE rb_str_dump(VALUE);
746VALUE rb_str_split(VALUE, const char*);
747void rb_str_associate(VALUE, VALUE);
748VALUE rb_str_associated(VALUE);
749void rb_str_setter(VALUE, ID, VALUE*);
750VALUE rb_str_intern(VALUE);
751VALUE rb_sym_to_s(VALUE);
752long rb_str_strlen(VALUE);
753VALUE rb_str_length(VALUE);
754long rb_str_offset(VALUE, long);
755size_t rb_str_capacity(VALUE);
756VALUE rb_str_ellipsize(VALUE, long);
757#if defined(__GNUC__) && !defined(__PCC__)
758#define rb_str_new_cstr(str) __extension__ (	\
759{						\
760    (__builtin_constant_p(str)) ?		\
761	rb_str_new((str), (long)strlen(str)) :	\
762	rb_str_new_cstr(str);			\
763})
764#define rb_tainted_str_new_cstr(str) __extension__ ( \
765{					       \
766    (__builtin_constant_p(str)) ?	       \
767	rb_tainted_str_new((str), (long)strlen(str)) : \
768	rb_tainted_str_new_cstr(str);	       \
769})
770#define rb_usascii_str_new_cstr(str) __extension__ ( \
771{					       \
772    (__builtin_constant_p(str)) ?	       \
773	rb_usascii_str_new((str), (long)strlen(str)) : \
774	rb_usascii_str_new_cstr(str);	       \
775})
776#define rb_external_str_new_cstr(str) __extension__ ( \
777{						\
778    (__builtin_constant_p(str)) ?		\
779	rb_external_str_new((str), (long)strlen(str)) : \
780	rb_external_str_new_cstr(str);		\
781})
782#define rb_locale_str_new_cstr(str) __extension__ ( \
783{					       \
784    (__builtin_constant_p(str)) ?	       \
785	rb_locale_str_new((str), (long)strlen(str)) :  \
786	rb_locale_str_new_cstr(str);	       \
787})
788#define rb_str_buf_new_cstr(str) __extension__ ( \
789{						\
790    (__builtin_constant_p(str)) ?		\
791	rb_str_buf_cat(rb_str_buf_new((long)strlen(str)), \
792		       (str), (long)strlen(str)) : \
793	rb_str_buf_new_cstr(str);		\
794})
795#define rb_str_buf_cat2(str, ptr) __extension__ ( \
796{						\
797    (__builtin_constant_p(ptr)) ?	        \
798	rb_str_buf_cat((str), (ptr), (long)strlen(ptr)) : \
799	rb_str_buf_cat2((str), (ptr));		\
800})
801#define rb_str_cat2(str, ptr) __extension__ (	\
802{						\
803    (__builtin_constant_p(ptr)) ?	        \
804	rb_str_cat((str), (ptr), (long)strlen(ptr)) : \
805	rb_str_cat2((str), (ptr));			\
806})
807#define rb_exc_new2(klass, ptr) __extension__ ( \
808{						\
809    (__builtin_constant_p(ptr)) ?	        \
810	rb_exc_new((klass), (ptr), (long)strlen(ptr)) : \
811	rb_exc_new2((klass), (ptr));		\
812})
813#endif
814#define rb_str_new2 rb_str_new_cstr
815#define rb_str_new3 rb_str_new_shared
816#define rb_str_new4 rb_str_new_frozen
817#define rb_str_new5 rb_str_new_with_class
818#define rb_tainted_str_new2 rb_tainted_str_new_cstr
819#define rb_str_buf_new2 rb_str_buf_new_cstr
820#define rb_usascii_str_new2 rb_usascii_str_new_cstr
821/* struct.c */
822VALUE rb_struct_new(VALUE, ...);
823VALUE rb_struct_define(const char*, ...);
824VALUE rb_struct_alloc(VALUE, VALUE);
825VALUE rb_struct_initialize(VALUE, VALUE);
826VALUE rb_struct_aref(VALUE, VALUE);
827VALUE rb_struct_aset(VALUE, VALUE, VALUE);
828VALUE rb_struct_getmember(VALUE, ID);
829DEPRECATED(VALUE rb_struct_iv_get(VALUE, const char*));
830VALUE rb_struct_s_members(VALUE);
831VALUE rb_struct_members(VALUE);
832VALUE rb_struct_alloc_noinit(VALUE);
833VALUE rb_struct_define_without_accessor(const char *, VALUE, rb_alloc_func_t, ...);
834/* thread.c */
835typedef void rb_unblock_function_t(void *);
836typedef VALUE rb_blocking_function_t(void *);
837void rb_thread_check_ints(void);
838int rb_thread_interrupted(VALUE thval);
839
840/* Use rb_thread_call_without_gvl family instead. */
841DEPRECATED(VALUE rb_thread_blocking_region(rb_blocking_function_t *func, void *data1,
842					   rb_unblock_function_t *ubf, void *data2));
843#define RUBY_UBF_IO ((rb_unblock_function_t *)-1)
844#define RUBY_UBF_PROCESS ((rb_unblock_function_t *)-1)
845VALUE rb_mutex_new(void);
846VALUE rb_mutex_locked_p(VALUE mutex);
847VALUE rb_mutex_trylock(VALUE mutex);
848VALUE rb_mutex_lock(VALUE mutex);
849VALUE rb_mutex_unlock(VALUE mutex);
850VALUE rb_mutex_sleep(VALUE self, VALUE timeout);
851VALUE rb_mutex_synchronize(VALUE mutex, VALUE (*func)(VALUE arg), VALUE arg);
852/* time.c */
853VALUE rb_time_new(time_t, long);
854VALUE rb_time_nano_new(time_t, long);
855VALUE rb_time_num_new(VALUE, VALUE);
856struct timeval rb_time_interval(VALUE num);
857struct timeval rb_time_timeval(VALUE time);
858struct timespec rb_time_timespec(VALUE time);
859/* variable.c */
860VALUE rb_mod_name(VALUE);
861VALUE rb_class_path(VALUE);
862void rb_set_class_path(VALUE, VALUE, const char*);
863void rb_set_class_path_string(VALUE, VALUE, VALUE);
864VALUE rb_path_to_class(VALUE);
865VALUE rb_path2class(const char*);
866void rb_name_class(VALUE, ID);
867VALUE rb_class_name(VALUE);
868void rb_autoload(VALUE, ID, const char*);
869VALUE rb_autoload_load(VALUE, ID);
870VALUE rb_autoload_p(VALUE, ID);
871VALUE rb_f_trace_var(int, VALUE*);
872VALUE rb_f_untrace_var(int, VALUE*);
873VALUE rb_f_global_variables(void);
874void rb_alias_variable(ID, ID);
875struct st_table* rb_generic_ivar_table(VALUE);
876void rb_copy_generic_ivar(VALUE,VALUE);
877void rb_free_generic_ivar(VALUE);
878VALUE rb_ivar_get(VALUE, ID);
879VALUE rb_ivar_set(VALUE, ID, VALUE);
880VALUE rb_ivar_defined(VALUE, ID);
881void rb_ivar_foreach(VALUE, int (*)(ANYARGS), st_data_t);
882st_index_t rb_ivar_count(VALUE);
883VALUE rb_iv_set(VALUE, const char*, VALUE);
884VALUE rb_iv_get(VALUE, const char*);
885VALUE rb_attr_get(VALUE, ID);
886VALUE rb_obj_instance_variables(VALUE);
887VALUE rb_obj_remove_instance_variable(VALUE, VALUE);
888void *rb_mod_const_at(VALUE, void*);
889void *rb_mod_const_of(VALUE, void*);
890VALUE rb_const_list(void*);
891VALUE rb_mod_constants(int, VALUE *, VALUE);
892VALUE rb_mod_remove_const(VALUE, VALUE);
893int rb_const_defined(VALUE, ID);
894int rb_const_defined_at(VALUE, ID);
895int rb_const_defined_from(VALUE, ID);
896VALUE rb_const_get(VALUE, ID);
897VALUE rb_const_get_at(VALUE, ID);
898VALUE rb_const_get_from(VALUE, ID);
899void rb_const_set(VALUE, ID, VALUE);
900VALUE rb_const_remove(VALUE, ID);
901VALUE rb_mod_const_missing(VALUE,VALUE);
902VALUE rb_cvar_defined(VALUE, ID);
903void rb_cvar_set(VALUE, ID, VALUE);
904VALUE rb_cvar_get(VALUE, ID);
905void rb_cv_set(VALUE, const char*, VALUE);
906VALUE rb_cv_get(VALUE, const char*);
907void rb_define_class_variable(VALUE, const char*, VALUE);
908VALUE rb_mod_class_variables(int, VALUE*, VALUE);
909VALUE rb_mod_remove_cvar(VALUE, VALUE);
910
911ID rb_frame_callee(void);
912VALUE rb_str_succ(VALUE);
913VALUE rb_time_succ(VALUE);
914void rb_frame_pop(void);
915int rb_frame_method_id_and_class(ID *idp, VALUE *klassp);
916VALUE rb_make_backtrace(void);
917VALUE rb_make_exception(int, VALUE*);
918
919#if defined __GNUC__ && __GNUC__ >= 4
920#pragma GCC visibility pop
921#endif
922
923#if defined(__cplusplus)
924#if 0
925{ /* satisfy cc-mode */
926#endif
927}  /* extern "C" { */
928#endif
929
930#endif /* RUBY_INTERN_H */
931