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-rw-r--r--internal.h926
1 files changed, 71 insertions, 855 deletions
diff --git a/internal.h b/internal.h
index 40916a59a2..002044cfa1 100644
--- a/internal.h
+++ b/internal.h
@@ -1,889 +1,105 @@
-/**********************************************************************
-
- internal.h -
-
- $Author$
- created at: Tue May 17 11:42:20 JST 2011
-
- Copyright (C) 2011 Yukihiro Matsumoto
-
-**********************************************************************/
-
-#ifndef RUBY_INTERNAL_H
+#ifndef RUBY_INTERNAL_H /*-*-C-*-vi:se ft=c:*/
#define RUBY_INTERNAL_H 1
+/**
+ * @author $Author$
+ * @date Tue May 17 11:42:20 JST 2011
+ * @copyright Copyright (C) 2011 Yukihiro Matsumoto
+ * @copyright This file is a part of the programming language Ruby.
+ * Permission is hereby granted, to either redistribute and/or
+ * modify this file, provided that the conditions mentioned in the
+ * file COPYING are met. Consult the file for details.
+ */
+#include "ruby/internal/config.h"
-#if defined(__cplusplus)
-extern "C" {
-#if 0
-} /* satisfy cc-mode */
-#endif
+#ifdef __cplusplus
+# error not for C++
#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 LIKELY(x) RB_LIKELY(x)
+#define UNLIKELY(x) RB_UNLIKELY(x)
#define numberof(array) ((int)(sizeof(array) / sizeof((array)[0])))
+#define roomof(x, y) (((x) + (y) - 1) / (y))
+#define type_roomof(x, y) roomof(sizeof(x), sizeof(y))
-#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
-}
+/* Prevent compiler from reordering access */
+#define ACCESS_ONCE(type,x) (*((volatile type *)&(x)))
-#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
+#define UNDEF_P RB_UNDEF_P
+#define NIL_OR_UNDEF_P RB_NIL_OR_UNDEF_P
-#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
+#include "ruby/ruby.h"
-#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
+/* Following macros were formerly defined in this header but moved to somewhere
+ * else. In order to detect them we undef here. */
-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;
- VALUE origin;
- VALUE refined_class;
- rb_alloc_func_t allocator;
-};
-
-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;
-}
+/* internal/array.h */
+#undef RARRAY_AREF
+/* internal/class.h */
+#undef RClass
#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);
+/* internal/hash.h */
+#undef RHASH_IFNONE
+#undef RHASH_SIZE
+#undef RHASH_TBL
+#undef RHASH_EMPTY_P
-/* 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);
+/* internal/struct.h */
+#undef RSTRUCT_LEN
+#undef RSTRUCT_PTR
+#undef RSTRUCT_SET
+#undef RSTRUCT_GET
-/* compar.c */
-VALUE rb_invcmp(VALUE, VALUE);
+/* Also, we keep the following macros here. They are expected to be
+ * overridden in each headers. */
-/* 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);
+/* internal/array.h */
+#define rb_ary_new_from_args(...) rb_nonexistent_symbol(__VA_ARGS__)
-/* 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));
+/* internal/string.h */
+#define rb_fstring_cstr(...) rb_nonexistent_symbol(__VA_ARGS__)
-/* debug.c */
-PRINTF_ARGS(void ruby_debug_printf(const char*, ...), 1, 2);
+/* internal/symbol.h */
+#define rb_sym_intern_ascii_cstr(...) rb_nonexistent_symbol(__VA_ARGS__)
-/* dmyext.c */
-void Init_ext(void);
+/* internal/vm.h */
+#define rb_funcallv(...) rb_nonexistent_symbol(__VA_ARGS__)
+#define rb_method_basic_definition_p(...) rb_nonexistent_symbol(__VA_ARGS__)
-/* 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));
-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
+/* MRI debug support */
/* 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);
+void rb_obj_info_dump(VALUE obj);
+void rb_obj_info_dump_loc(VALUE obj, const char *file, int line, const char *func);
-/* 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 */
-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); \
- 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 {
- 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 */
-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);
-
-/* 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));
-
-/* 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);
+/* debug.c */
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[];
+void ruby_debug_breakpoint(void);
+PRINTF_ARGS(void ruby_debug_printf(const char*, ...), 1, 2);
+RUBY_SYMBOL_EXPORT_END
-/* variable.c */
-void rb_gc_mark_global_tbl(void);
-void rb_mark_generic_ivar(VALUE);
-void rb_mark_generic_ivar_tbl(void);
+// show obj data structure without any side-effect
+#define rp(obj) rb_obj_info_dump_loc((VALUE)(obj), __FILE__, __LINE__, RUBY_FUNCTION_NAME_STRING)
-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);
+// same as rp, but add message header
+#define rp_m(msg, obj) do { \
+ fputs((msg), stderr); \
+ rb_obj_info_dump((VALUE)(obj)); \
+} while (0)
-/* 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_debug_breakpoint()` does nothing,
+// but breakpoint is set in run.gdb, so `make gdb` can stop here.
+#define bp() ruby_debug_breakpoint()
-RUBY_SYMBOL_EXPORT_END
+#define RBOOL(v) ((v) ? Qtrue : Qfalse)
+#define RB_BIGNUM_TYPE_P(x) RB_TYPE_P((x), T_BIGNUM)
-#if defined(__cplusplus)
-#if 0
-{ /* satisfy cc-mode */
-#endif
-} /* extern "C" { */
+#ifndef __MINGW32__
+#undef memcpy
+#define memcpy ruby_nonempty_memcpy
#endif
-
#endif /* RUBY_INTERNAL_H */