diff options
Diffstat (limited to 'internal.h')
| -rw-r--r-- | internal.h | 2055 |
1 files changed, 62 insertions, 1993 deletions
diff --git a/internal.h b/internal.h index 2e2fa7ba75..002044cfa1 100644 --- a/internal.h +++ b/internal.h @@ -1,2036 +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" -#include "ruby.h" -#include "ruby/encoding.h" -#include "ruby/io.h" - -#if defined(__cplusplus) -extern "C" { -#if 0 -} /* satisfy cc-mode */ -#endif -#endif - -#ifdef HAVE_STDBOOL_H -# include <stdbool.h> -#endif - -#ifndef __bool_true_false_are_defined -# ifndef __cplusplus -# undef bool -# undef false -# undef true -# define bool signed char -# define false 0 -# define true 1 -# define __bool_true_false_are_defined 1 -# endif +#ifdef __cplusplus +# error not for C++ #endif -/* The most significant bit of the lower part of half-long integer. - * If sizeof(long) == 4, this is 0x8000. - * If sizeof(long) == 8, this is 0x80000000. - */ -#define HALF_LONG_MSB ((SIGNED_VALUE)1<<((SIZEOF_LONG*CHAR_BIT-1)/2)) - #define LIKELY(x) RB_LIKELY(x) #define UNLIKELY(x) RB_UNLIKELY(x) -#ifndef MAYBE_UNUSED -# define MAYBE_UNUSED(x) x -#endif - -#ifndef WARN_UNUSED_RESULT -# define WARN_UNUSED_RESULT(x) x -#endif - -#ifdef HAVE_VALGRIND_MEMCHECK_H -# include <valgrind/memcheck.h> -# ifndef VALGRIND_MAKE_MEM_DEFINED -# define VALGRIND_MAKE_MEM_DEFINED(p, n) VALGRIND_MAKE_READABLE((p), (n)) -# endif -# ifndef VALGRIND_MAKE_MEM_UNDEFINED -# define VALGRIND_MAKE_MEM_UNDEFINED(p, n) VALGRIND_MAKE_WRITABLE((p), (n)) -# endif -#else -# define VALGRIND_MAKE_MEM_DEFINED(p, n) 0 -# define VALGRIND_MAKE_MEM_UNDEFINED(p, n) 0 -#endif - #define numberof(array) ((int)(sizeof(array) / sizeof((array)[0]))) +#define roomof(x, y) (((x) + (y) - 1) / (y)) +#define type_roomof(x, y) roomof(sizeof(x), sizeof(y)) -#ifndef __has_feature -# define __has_feature(x) 0 -#endif - -#ifndef __has_extension -# define __has_extension __has_feature -#endif - -#if GCC_VERSION_SINCE(4, 6, 0) || __has_extension(c_static_assert) -# define STATIC_ASSERT(name, expr) _Static_assert(expr, #name ": " #expr) -#else -# define STATIC_ASSERT(name, expr) typedef int static_assert_##name##_check[1 - 2*!(expr)] -#endif - -#define SIGNED_INTEGER_TYPE_P(int_type) (0 > ((int_type)0)-1) -#define SIGNED_INTEGER_MAX(sint_type) \ - (sint_type) \ - ((((sint_type)1) << (sizeof(sint_type) * CHAR_BIT - 2)) | \ - ((((sint_type)1) << (sizeof(sint_type) * CHAR_BIT - 2)) - 1)) -#define SIGNED_INTEGER_MIN(sint_type) (-SIGNED_INTEGER_MAX(sint_type)-1) -#define UNSIGNED_INTEGER_MAX(uint_type) (~(uint_type)0) - -#if SIGNEDNESS_OF_TIME_T < 0 /* signed */ -# define TIMET_MAX SIGNED_INTEGER_MAX(time_t) -# define TIMET_MIN SIGNED_INTEGER_MIN(time_t) -#elif SIGNEDNESS_OF_TIME_T > 0 /* unsigned */ -# define TIMET_MAX UNSIGNED_INTEGER_MAX(time_t) -# define TIMET_MIN ((time_t)0) -#endif -#define TIMET_MAX_PLUS_ONE (2*(double)(TIMET_MAX/2+1)) - -#ifdef HAVE_BUILTIN___BUILTIN_MUL_OVERFLOW_P -#define MUL_OVERFLOW_P(a, b) \ - __builtin_mul_overflow_p((a), (b), (__typeof__(a * b))0) -#elif defined HAVE_BUILTIN___BUILTIN_MUL_OVERFLOW -#define MUL_OVERFLOW_P(a, b) \ - ({__typeof__(a) c; __builtin_mul_overflow((a), (b), &c);}) -#endif - -#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))) - -#ifdef HAVE_BUILTIN___BUILTIN_MUL_OVERFLOW_P -/* __builtin_mul_overflow_p can take bitfield */ -/* and GCC permits bitfields for integers other than int */ -#define MUL_OVERFLOW_FIXNUM_P(a, b) ({ \ - struct { long fixnum : SIZEOF_LONG * CHAR_BIT - 1; } c; \ - __builtin_mul_overflow_p((a), (b), c.fixnum); \ -}) -#else -#define MUL_OVERFLOW_FIXNUM_P(a, b) MUL_OVERFLOW_SIGNED_INTEGER_P(a, b, FIXNUM_MIN, FIXNUM_MAX) -#endif - -#ifdef MUL_OVERFLOW_P -#define MUL_OVERFLOW_LONG_LONG_P(a, b) MUL_OVERFLOW_P(a, b) -#define MUL_OVERFLOW_LONG_P(a, b) MUL_OVERFLOW_P(a, b) -#define MUL_OVERFLOW_INT_P(a, b) MUL_OVERFLOW_P(a, b) -#else -#define MUL_OVERFLOW_LONG_LONG_P(a, b) MUL_OVERFLOW_SIGNED_INTEGER_P(a, b, LLONG_MIN, LLONG_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) -#endif - -#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 unsigned int -nlz_int(unsigned int x) -{ -#if defined(HAVE_BUILTIN___BUILTIN_CLZ) - if (x == 0) return SIZEOF_INT * CHAR_BIT; - return (unsigned int)__builtin_clz(x); -#else - unsigned int y; -# if 64 < SIZEOF_INT * CHAR_BIT - unsigned int n = 128; -# elif 32 < SIZEOF_INT * CHAR_BIT - unsigned int n = 64; -# else - unsigned 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 (unsigned int)(n - x); -#endif -} - -static inline unsigned int -nlz_long(unsigned long x) -{ -#if defined(HAVE_BUILTIN___BUILTIN_CLZL) - if (x == 0) return SIZEOF_LONG * CHAR_BIT; - return (unsigned int)__builtin_clzl(x); -#else - unsigned long y; -# if 64 < SIZEOF_LONG * CHAR_BIT - unsigned int n = 128; -# elif 32 < SIZEOF_LONG * CHAR_BIT - unsigned int n = 64; -# else - unsigned 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 (unsigned int)(n - x); -#endif -} - -#ifdef HAVE_LONG_LONG -static inline unsigned int -nlz_long_long(unsigned LONG_LONG x) -{ -#if defined(HAVE_BUILTIN___BUILTIN_CLZLL) - if (x == 0) return SIZEOF_LONG_LONG * CHAR_BIT; - return (unsigned int)__builtin_clzll(x); -#else - unsigned LONG_LONG y; -# if 64 < SIZEOF_LONG_LONG * CHAR_BIT - unsigned int n = 128; -# elif 32 < SIZEOF_LONG_LONG * CHAR_BIT - unsigned int n = 64; -# else - unsigned 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 (unsigned int)(n - x); -#endif -} -#endif - -#ifdef HAVE_UINT128_T -static inline unsigned int -nlz_int128(uint128_t x) -{ - uint128_t y; - unsigned 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 (unsigned int)(n - x); -} -#endif - -static inline unsigned int -nlz_intptr(uintptr_t x) -{ -#if SIZEOF_VOIDP == 8 - return nlz_long_long(x); -#elif SIZEOF_VOIDP == 4 - return nlz_int(x); -#endif -} - -static inline unsigned int -rb_popcount32(uint32_t x) -{ -#ifdef HAVE_BUILTIN___BUILTIN_POPCOUNT - return (unsigned int)__builtin_popcount(x); -#else - x = (x & 0x55555555) + (x >> 1 & 0x55555555); - x = (x & 0x33333333) + (x >> 2 & 0x33333333); - x = (x & 0x0f0f0f0f) + (x >> 4 & 0x0f0f0f0f); - x = (x & 0x001f001f) + (x >> 8 & 0x001f001f); - return (x & 0x0000003f) + (x >>16 & 0x0000003f); -#endif -} - -static inline int -rb_popcount64(uint64_t x) -{ -#ifdef HAVE_BUILTIN___BUILTIN_POPCOUNT - return __builtin_popcountll(x); -#else - x = (x & 0x5555555555555555) + (x >> 1 & 0x5555555555555555); - x = (x & 0x3333333333333333) + (x >> 2 & 0x3333333333333333); - x = (x & 0x0707070707070707) + (x >> 4 & 0x0707070707070707); - x = (x & 0x001f001f001f001f) + (x >> 8 & 0x001f001f001f001f); - x = (x & 0x0000003f0000003f) + (x >>16 & 0x0000003f0000003f); - return (x & 0x7f) + (x >>32 & 0x7f); -#endif -} - -static inline int -rb_popcount_intptr(uintptr_t x) -{ -#if SIZEOF_VOIDP == 8 - return rb_popcount64(x); -#elif SIZEOF_VOIDP == 4 - return rb_popcount32(x); -#endif -} - -static inline int -ntz_int32(uint32_t x) -{ -#ifdef HAVE_BUILTIN___BUILTIN_CTZ - return __builtin_ctz(x); -#else - return rb_popcount32((~x) & (x-1)); -#endif -} - -static inline int -ntz_int64(uint64_t x) -{ -#ifdef HAVE_BUILTIN___BUILTIN_CTZLL - return __builtin_ctzll(x); -#else - return rb_popcount64((~x) & (x-1)); -#endif -} - -static inline int -ntz_intptr(uintptr_t x) -{ -#if SIZEOF_VOIDP == 8 - return ntz_int64(x); -#elif SIZEOF_VOIDP == 4 - return ntz_int32(x); -#endif -} - -#if HAVE_LONG_LONG && SIZEOF_LONG * 2 <= SIZEOF_LONG_LONG -# define DLONG LONG_LONG -# define DL2NUM(x) LL2NUM(x) -#elif defined(HAVE_INT128_T) -# define DLONG int128_t -# define DL2NUM(x) (RB_FIXABLE(x) ? LONG2FIX(x) : rb_int128t2big(x)) -VALUE rb_int128t2big(int128_t n); -#endif - -static inline long -rb_overflowed_fix_to_int(long x) -{ - return (long)((unsigned long)(x >> 1) ^ (1LU << (SIZEOF_LONG * CHAR_BIT - 1))); -} - -static inline VALUE -rb_fix_plus_fix(VALUE x, VALUE y) -{ -#ifdef HAVE_BUILTIN___BUILTIN_ADD_OVERFLOW - long lz; - /* NOTE - * (1) `LONG2FIX(FIX2LONG(x)+FIX2LONG(y))` - + = `((lx*2+1)/2 + (ly*2+1)/2)*2+1` - + = `lx*2 + ly*2 + 1` - + = `(lx*2+1) + (ly*2+1) - 1` - + = `x + y - 1` - * (2) Fixnum's LSB is always 1. - * It means you can always run `x - 1` without overflow. - * (3) Of course `z = x + (y-1)` may overflow. - * At that time true value is - * * positive: 0b0 1xxx...1, and z = 0b1xxx...1 - * * nevative: 0b1 0xxx...1, and z = 0b0xxx...1 - * To convert this true value to long, - * (a) Use arithmetic shift - * * positive: 0b11xxx... - * * negative: 0b00xxx... - * (b) invert MSB - * * positive: 0b01xxx... - * * negative: 0b10xxx... - */ - if (__builtin_add_overflow((long)x, (long)y-1, &lz)) { - return rb_int2big(rb_overflowed_fix_to_int(lz)); - } - else { - return (VALUE)lz; - } -#else - long lz = FIX2LONG(x) + FIX2LONG(y); - return LONG2NUM(lz); -#endif -} - -static inline VALUE -rb_fix_minus_fix(VALUE x, VALUE y) -{ -#ifdef HAVE_BUILTIN___BUILTIN_SUB_OVERFLOW - long lz; - if (__builtin_sub_overflow((long)x, (long)y-1, &lz)) { - return rb_int2big(rb_overflowed_fix_to_int(lz)); - } - else { - return (VALUE)lz; - } -#else - long lz = FIX2LONG(x) - FIX2LONG(y); - return LONG2NUM(lz); -#endif -} - -/* arguments must be Fixnum */ -static inline VALUE -rb_fix_mul_fix(VALUE x, VALUE y) -{ - long lx = FIX2LONG(x); - long ly = FIX2LONG(y); -#ifdef DLONG - return DL2NUM((DLONG)lx * (DLONG)ly); -#else - if (MUL_OVERFLOW_FIXNUM_P(lx, ly)) { - return rb_big_mul(rb_int2big(lx), rb_int2big(ly)); - } - else { - return LONG2FIX(lx * ly); - } -#endif -} - -/* - * This behaves different from C99 for negative arguments. - * Note that div may overflow fixnum. - */ -static inline void -rb_fix_divmod_fix(VALUE a, VALUE b, VALUE *divp, VALUE *modp) -{ - /* assume / and % comply C99. - * ldiv(3) won't be inlined by GCC and clang. - * I expect / and % are compiled as single idiv. - */ - long x = FIX2LONG(a); - long y = FIX2LONG(b); - long div, mod; - if (x == FIXNUM_MIN && y == -1) { - if (divp) *divp = LONG2NUM(-FIXNUM_MIN); - if (modp) *modp = LONG2FIX(0); - return; - } - div = x / y; - mod = x % y; - if (y > 0 ? mod < 0 : mod > 0) { - mod += y; - div -= 1; - } - if (divp) *divp = LONG2FIX(div); - if (modp) *modp = LONG2FIX(mod); -} - -/* div() for Ruby - * This behaves different from C99 for negative arguments. - */ -static inline VALUE -rb_fix_div_fix(VALUE x, VALUE y) -{ - VALUE div; - rb_fix_divmod_fix(x, y, &div, NULL); - return div; -} - -/* mod() for Ruby - * This behaves different from C99 for negative arguments. - */ -static inline VALUE -rb_fix_mod_fix(VALUE x, VALUE y) -{ - VALUE mod; - rb_fix_divmod_fix(x, y, NULL, &mod); - return mod; -} - -#if defined(HAVE_UINT128_T) -# define bit_length(x) \ - (unsigned int) \ - (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) \ - (unsigned int) \ - (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) \ - (unsigned int) \ - (sizeof(x) <= SIZEOF_INT ? SIZEOF_INT * CHAR_BIT - nlz_int((unsigned int)(x)) : \ - SIZEOF_LONG * CHAR_BIT - nlz_long((unsigned long)(x))) -#endif - -#ifndef BDIGIT -# if SIZEOF_INT*2 <= SIZEOF_LONG_LONG -# define BDIGIT unsigned int -# define SIZEOF_BDIGIT SIZEOF_INT -# define BDIGIT_DBL unsigned LONG_LONG -# define BDIGIT_DBL_SIGNED LONG_LONG -# define PRI_BDIGIT_PREFIX "" -# define PRI_BDIGIT_DBL_PREFIX PRI_LL_PREFIX -# elif SIZEOF_INT*2 <= SIZEOF_LONG -# define BDIGIT unsigned int -# define SIZEOF_BDIGIT SIZEOF_INT -# define BDIGIT_DBL unsigned long -# define BDIGIT_DBL_SIGNED long -# define PRI_BDIGIT_PREFIX "" -# define PRI_BDIGIT_DBL_PREFIX "l" -# elif SIZEOF_SHORT*2 <= SIZEOF_LONG -# define BDIGIT unsigned short -# define SIZEOF_BDIGIT SIZEOF_SHORT -# define BDIGIT_DBL unsigned long -# define BDIGIT_DBL_SIGNED long -# define PRI_BDIGIT_PREFIX "h" -# define PRI_BDIGIT_DBL_PREFIX "l" -# else -# define BDIGIT unsigned short -# define SIZEOF_BDIGIT (SIZEOF_LONG/2) -# define SIZEOF_ACTUAL_BDIGIT SIZEOF_LONG -# define BDIGIT_DBL unsigned long -# define BDIGIT_DBL_SIGNED long -# define PRI_BDIGIT_PREFIX "h" -# define PRI_BDIGIT_DBL_PREFIX "l" -# endif -#endif -#ifndef SIZEOF_ACTUAL_BDIGIT -# define SIZEOF_ACTUAL_BDIGIT SIZEOF_BDIGIT -#endif - -#ifdef PRI_BDIGIT_PREFIX -# define PRIdBDIGIT PRI_BDIGIT_PREFIX"d" -# define PRIiBDIGIT PRI_BDIGIT_PREFIX"i" -# define PRIoBDIGIT PRI_BDIGIT_PREFIX"o" -# define PRIuBDIGIT PRI_BDIGIT_PREFIX"u" -# define PRIxBDIGIT PRI_BDIGIT_PREFIX"x" -# define PRIXBDIGIT PRI_BDIGIT_PREFIX"X" -#endif - -#ifdef PRI_BDIGIT_DBL_PREFIX -# define PRIdBDIGIT_DBL PRI_BDIGIT_DBL_PREFIX"d" -# define PRIiBDIGIT_DBL PRI_BDIGIT_DBL_PREFIX"i" -# define PRIoBDIGIT_DBL PRI_BDIGIT_DBL_PREFIX"o" -# define PRIuBDIGIT_DBL PRI_BDIGIT_DBL_PREFIX"u" -# define PRIxBDIGIT_DBL PRI_BDIGIT_DBL_PREFIX"x" -# define PRIXBDIGIT_DBL PRI_BDIGIT_DBL_PREFIX"X" -#endif - -#define BIGNUM_EMBED_LEN_NUMBITS 3 -#ifndef BIGNUM_EMBED_LEN_MAX -# if (SIZEOF_VALUE*3/SIZEOF_ACTUAL_BDIGIT) < (1 << BIGNUM_EMBED_LEN_NUMBITS)-1 -# define BIGNUM_EMBED_LEN_MAX (SIZEOF_VALUE*3/SIZEOF_ACTUAL_BDIGIT) -# else -# define BIGNUM_EMBED_LEN_MAX ((1 << BIGNUM_EMBED_LEN_NUMBITS)-1) -# endif -#endif - -struct RBignum { - struct RBasic basic; - union { - struct { - size_t len; - BDIGIT *digits; - } heap; - BDIGIT ary[BIGNUM_EMBED_LEN_MAX]; - } as; -}; -#define BIGNUM_SIGN_BIT ((VALUE)FL_USER1) -/* sign: positive:1, negative:0 */ -#define BIGNUM_SIGN(b) ((RBASIC(b)->flags & BIGNUM_SIGN_BIT) != 0) -#define BIGNUM_SET_SIGN(b,sign) \ - ((sign) ? (RBASIC(b)->flags |= BIGNUM_SIGN_BIT) \ - : (RBASIC(b)->flags &= ~BIGNUM_SIGN_BIT)) -#define BIGNUM_POSITIVE_P(b) BIGNUM_SIGN(b) -#define BIGNUM_NEGATIVE_P(b) (!BIGNUM_SIGN(b)) -#define BIGNUM_NEGATE(b) (RBASIC(b)->flags ^= BIGNUM_SIGN_BIT) - -#define BIGNUM_EMBED_FLAG ((VALUE)FL_USER2) -#define BIGNUM_EMBED_LEN_MASK ((VALUE)(FL_USER5|FL_USER4|FL_USER3)) -#define BIGNUM_EMBED_LEN_SHIFT (FL_USHIFT+BIGNUM_EMBED_LEN_NUMBITS) -#define BIGNUM_LEN(b) \ - ((RBASIC(b)->flags & BIGNUM_EMBED_FLAG) ? \ - (size_t)((RBASIC(b)->flags >> BIGNUM_EMBED_LEN_SHIFT) & \ - (BIGNUM_EMBED_LEN_MASK >> BIGNUM_EMBED_LEN_SHIFT)) : \ - RBIGNUM(b)->as.heap.len) -/* LSB:BIGNUM_DIGITS(b)[0], MSB:BIGNUM_DIGITS(b)[BIGNUM_LEN(b)-1] */ -#define BIGNUM_DIGITS(b) \ - ((RBASIC(b)->flags & BIGNUM_EMBED_FLAG) ? \ - RBIGNUM(b)->as.ary : \ - RBIGNUM(b)->as.heap.digits) -#define BIGNUM_LENINT(b) rb_long2int(BIGNUM_LEN(b)) - -#define RBIGNUM(obj) (R_CAST(RBignum)(obj)) - -struct RRational { - struct RBasic basic; - const VALUE num; - const VALUE den; -}; - -#define RRATIONAL(obj) (R_CAST(RRational)(obj)) -#define RRATIONAL_SET_NUM(rat, n) RB_OBJ_WRITE((rat), &((struct RRational *)(rat))->num,(n)) -#define RRATIONAL_SET_DEN(rat, d) RB_OBJ_WRITE((rat), &((struct RRational *)(rat))->den,(d)) - -struct RFloat { - struct RBasic basic; - double float_value; -}; +/* Prevent compiler from reordering access */ +#define ACCESS_ONCE(type,x) (*((volatile type *)&(x))) -#define RFLOAT(obj) (R_CAST(RFloat)(obj)) +#define UNDEF_P RB_UNDEF_P +#define NIL_OR_UNDEF_P RB_NIL_OR_UNDEF_P -struct RComplex { - struct RBasic basic; - const VALUE real; - const VALUE imag; -}; +#include "ruby/ruby.h" -#define RCOMPLEX(obj) (R_CAST(RComplex)(obj)) +/* Following macros were formerly defined in this header but moved to somewhere + * else. In order to detect them we undef here. */ -#ifdef RCOMPLEX_SET_REAL /* shortcut macro for internal only */ -#undef RCOMPLEX_SET_REAL -#undef RCOMPLEX_SET_IMAG -#define RCOMPLEX_SET_REAL(cmp, r) RB_OBJ_WRITE((cmp), &((struct RComplex *)(cmp))->real,(r)) -#define RCOMPLEX_SET_IMAG(cmp, i) RB_OBJ_WRITE((cmp), &((struct RComplex *)(cmp))->imag,(i)) -#endif +/* internal/array.h */ +#undef RARRAY_AREF -struct RHash { - struct RBasic basic; - struct st_table *ntbl; /* possibly 0 */ - int iter_lev; - const VALUE ifnone; -}; - -#define RHASH(obj) (R_CAST(RHash)(obj)) +/* internal/class.h */ +#undef RClass +#undef RCLASS_SUPER -#ifdef RHASH_ITER_LEV -#undef RHASH_ITER_LEV +/* internal/hash.h */ #undef RHASH_IFNONE #undef RHASH_SIZE -#define RHASH_ITER_LEV(h) (RHASH(h)->iter_lev) -#define RHASH_IFNONE(h) (RHASH(h)->ifnone) -#define RHASH_SIZE(h) (RHASH(h)->ntbl ? RHASH(h)->ntbl->num_entries : (st_index_t)0) -#endif - -/* missing/setproctitle.c */ -#ifndef HAVE_SETPROCTITLE -extern void ruby_init_setproctitle(int argc, char *argv[]); -#endif - -#define RSTRUCT_EMBED_LEN_MAX RSTRUCT_EMBED_LEN_MAX -#define RSTRUCT_EMBED_LEN_MASK RSTRUCT_EMBED_LEN_MASK -#define RSTRUCT_EMBED_LEN_SHIFT RSTRUCT_EMBED_LEN_SHIFT -enum { - RSTRUCT_EMBED_LEN_MAX = 3, - RSTRUCT_EMBED_LEN_MASK = (RUBY_FL_USER2|RUBY_FL_USER1), - RSTRUCT_EMBED_LEN_SHIFT = (RUBY_FL_USHIFT+1), - - RSTRUCT_ENUM_END -}; - -struct RStruct { - struct RBasic basic; - union { - struct { - long len; - const VALUE *ptr; - } heap; - const VALUE ary[RSTRUCT_EMBED_LEN_MAX]; - } as; -}; +#undef RHASH_TBL +#undef RHASH_EMPTY_P +/* internal/struct.h */ #undef RSTRUCT_LEN #undef RSTRUCT_PTR #undef RSTRUCT_SET #undef RSTRUCT_GET -#define RSTRUCT_EMBED_LEN(st) \ - (long)((RBASIC(st)->flags >> RSTRUCT_EMBED_LEN_SHIFT) & \ - (RSTRUCT_EMBED_LEN_MASK >> RSTRUCT_EMBED_LEN_SHIFT)) -#define RSTRUCT_LEN(st) rb_struct_len(st) -#define RSTRUCT_LENINT(st) rb_long2int(RSTRUCT_LEN(st)) -#define RSTRUCT_CONST_PTR(st) rb_struct_const_ptr(st) -#define RSTRUCT_PTR(st) ((VALUE *)RSTRUCT_CONST_PTR(RB_OBJ_WB_UNPROTECT_FOR(STRUCT, st))) -#define RSTRUCT_SET(st, idx, v) RB_OBJ_WRITE(st, &RSTRUCT_CONST_PTR(st)[idx], (v)) -#define RSTRUCT_GET(st, idx) (RSTRUCT_CONST_PTR(st)[idx]) -#define RSTRUCT(obj) (R_CAST(RStruct)(obj)) - -static inline long -rb_struct_len(VALUE st) -{ - return (RBASIC(st)->flags & RSTRUCT_EMBED_LEN_MASK) ? - RSTRUCT_EMBED_LEN(st) : RSTRUCT(st)->as.heap.len; -} - -static inline const VALUE * -rb_struct_const_ptr(VALUE st) -{ - return FIX_CONST_VALUE_PTR((RBASIC(st)->flags & RSTRUCT_EMBED_LEN_MASK) ? - RSTRUCT(st)->as.ary : RSTRUCT(st)->as.heap.ptr); -} - -/* class.c */ - -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 rb_id_table *const_tbl; - struct rb_id_table *callable_m_tbl; - rb_subclass_entry_t *subclasses; - rb_subclass_entry_t **parent_subclasses; - /** - * In the case that this is an `ICLASS`, `module_subclasses` points to the link - * in the module's `subclasses` list that indicates that the klass has been - * included. Hopefully that makes sense. - */ - rb_subclass_entry_t **module_subclasses; - rb_serial_t class_serial; - const VALUE origin_; - VALUE refined_class; - rb_alloc_func_t allocator; -}; - -typedef struct rb_classext_struct rb_classext_t; - -#undef RClass -struct RClass { - struct RBasic basic; - VALUE super; - rb_classext_t *ptr; - struct rb_id_table *m_tbl; -}; - -void rb_class_subclass_add(VALUE super, VALUE klass); -void rb_class_remove_from_super_subclasses(VALUE); -int rb_singleton_class_internal_p(VALUE sklass); - -#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_CALLABLE_M_TBL(c) (RCLASS_EXT(c)->callable_m_tbl) -#define RCLASS_IV_INDEX_TBL(c) (RCLASS_EXT(c)->iv_index_tbl) -#define RCLASS_ORIGIN(c) (RCLASS_EXT(c)->origin_) -#define RCLASS_REFINED_CLASS(c) (RCLASS_EXT(c)->refined_class) -#define RCLASS_SERIAL(c) (RCLASS_EXT(c)->class_serial) - -#define RICLASS_IS_ORIGIN FL_USER5 - -static inline void -RCLASS_SET_ORIGIN(VALUE klass, VALUE origin) -{ - RB_OBJ_WRITE(klass, &RCLASS_ORIGIN(klass), origin); - if (klass != origin) FL_SET(origin, RICLASS_IS_ORIGIN); -} - -#undef RCLASS_SUPER -static inline VALUE -RCLASS_SUPER(VALUE klass) -{ - return RCLASS(klass)->super; -} - -static inline VALUE -RCLASS_SET_SUPER(VALUE klass, VALUE super) -{ - if (super) { - rb_class_remove_from_super_subclasses(klass); - rb_class_subclass_add(super, klass); - } - RB_OBJ_WRITE(klass, &RCLASS(klass)->super, super); - return super; -} -/* IMEMO: Internal memo object */ - -#ifndef IMEMO_DEBUG -#define IMEMO_DEBUG 0 -#endif - -struct RIMemo { - VALUE flags; - VALUE v0; - VALUE v1; - VALUE v2; - VALUE v3; -}; - -enum imemo_type { - imemo_env = 0, - imemo_cref = 1, /*!< class reference */ - imemo_svar = 2, /*!< special variable */ - imemo_throw_data = 3, - imemo_ifunc = 4, /*!< iterator function */ - imemo_memo = 5, - imemo_ment = 6, - imemo_iseq = 7, - imemo_alloc = 8, - imemo_ast = 9, - imemo_parser_strterm = 10 -}; -#define IMEMO_MASK 0x0f - -static inline enum imemo_type -imemo_type(VALUE imemo) -{ - return (RBASIC(imemo)->flags >> FL_USHIFT) & IMEMO_MASK; -} - -static inline int -imemo_type_p(VALUE imemo, enum imemo_type imemo_type) -{ - if (LIKELY(!RB_SPECIAL_CONST_P(imemo))) { - /* fixed at compile time if imemo_type is given. */ - const VALUE mask = (IMEMO_MASK << FL_USHIFT) | RUBY_T_MASK; - const VALUE expected_type = (imemo_type << FL_USHIFT) | T_IMEMO; - /* fixed at runtime. */ - return expected_type == (RBASIC(imemo)->flags & mask); - } - else { - return 0; - } -} - -/* FL_USER0 to FL_USER3 is for type */ -#define IMEMO_FL_USHIFT (FL_USHIFT + 4) -#define IMEMO_FL_USER0 FL_USER4 -#define IMEMO_FL_USER1 FL_USER5 -#define IMEMO_FL_USER2 FL_USER6 -#define IMEMO_FL_USER3 FL_USER7 -#define IMEMO_FL_USER4 FL_USER8 - -/* CREF (Class REFerence) is defined in method.h */ - -/*! SVAR (Special VARiable) */ -struct vm_svar { - VALUE flags; - const VALUE cref_or_me; /*!< class reference or rb_method_entry_t */ - const VALUE lastline; - const VALUE backref; - const VALUE others; -}; - - -#define THROW_DATA_CONSUMED IMEMO_FL_USER0 - -/*! THROW_DATA */ -struct vm_throw_data { - VALUE flags; - VALUE reserved; - const VALUE throw_obj; - const struct rb_control_frame_struct *catch_frame; - VALUE throw_state; -}; - -#define THROW_DATA_P(err) RB_TYPE_P((VALUE)(err), T_IMEMO) - -/* IFUNC (Internal FUNCtion) */ - -struct vm_ifunc_argc { -#if SIZEOF_INT * 2 > SIZEOF_VALUE - signed int min: (SIZEOF_VALUE * CHAR_BIT) / 2; - signed int max: (SIZEOF_VALUE * CHAR_BIT) / 2; -#else - int min, max; -#endif -}; - -/*! IFUNC (Internal FUNCtion) */ -struct vm_ifunc { - VALUE flags; - VALUE reserved; - VALUE (*func)(ANYARGS); - const void *data; - struct vm_ifunc_argc argc; -}; - -#define IFUNC_NEW(a, b, c) ((struct vm_ifunc *)rb_imemo_new(imemo_ifunc, (VALUE)(a), (VALUE)(b), (VALUE)(c), 0)) -struct vm_ifunc *rb_vm_ifunc_new(VALUE (*func)(ANYARGS), const void *data, int min_argc, int max_argc); -static inline struct vm_ifunc * -rb_vm_ifunc_proc_new(VALUE (*func)(ANYARGS), const void *data) -{ - return rb_vm_ifunc_new(func, data, 0, UNLIMITED_ARGUMENTS); -} - -typedef struct rb_imemo_alloc_struct { - VALUE flags; - VALUE reserved; - VALUE *ptr; /* malloc'ed buffer */ - struct rb_imemo_alloc_struct *next; /* next imemo */ - size_t cnt; /* buffer size in VALUE */ -} rb_imemo_alloc_t; -rb_imemo_alloc_t *rb_imemo_alloc_new(VALUE, VALUE, VALUE, VALUE); +/* Also, we keep the following macros here. They are expected to be + * overridden in each headers. */ -void rb_strterm_mark(VALUE obj); +/* internal/array.h */ +#define rb_ary_new_from_args(...) rb_nonexistent_symbol(__VA_ARGS__) -/*! MEMO - * - * @see imemo_type - * */ -struct MEMO { - VALUE flags; - VALUE reserved; - const VALUE v1; - const VALUE v2; - union { - long cnt; - long state; - const VALUE value; - VALUE (*func)(ANYARGS); - } u3; -}; +/* internal/string.h */ +#define rb_fstring_cstr(...) rb_nonexistent_symbol(__VA_ARGS__) -#define MEMO_V1_SET(m, v) RB_OBJ_WRITE((m), &(m)->v1, (v)) -#define MEMO_V2_SET(m, v) RB_OBJ_WRITE((m), &(m)->v2, (v)) +/* internal/symbol.h */ +#define rb_sym_intern_ascii_cstr(...) rb_nonexistent_symbol(__VA_ARGS__) -#define MEMO_CAST(m) ((struct MEMO *)m) +/* internal/vm.h */ +#define rb_funcallv(...) rb_nonexistent_symbol(__VA_ARGS__) +#define rb_method_basic_definition_p(...) rb_nonexistent_symbol(__VA_ARGS__) -#define MEMO_NEW(a, b, c) ((struct MEMO *)rb_imemo_new(imemo_memo, (VALUE)(a), (VALUE)(b), (VALUE)(c), 0)) -#define roomof(x, y) (((x) + (y) - 1) / (y)) -#define type_roomof(x, y) roomof(sizeof(x), sizeof(y)) -#define MEMO_FOR(type, value) ((type *)RARRAY_PTR(value)) -#define NEW_MEMO_FOR(type, value) \ - ((value) = rb_ary_tmp_new_fill(type_roomof(type, VALUE)), MEMO_FOR(type, value)) -#define NEW_PARTIAL_MEMO_FOR(type, value, member) \ - ((value) = rb_ary_tmp_new_fill(type_roomof(type, VALUE)), \ - rb_ary_set_len((value), offsetof(type, member) / sizeof(VALUE)), \ - MEMO_FOR(type, value)) - -#define STRING_P(s) (RB_TYPE_P((s), T_STRING) && CLASS_OF(s) == rb_cString) - -#ifdef RUBY_INTEGER_UNIFICATION -# define rb_cFixnum rb_cInteger -# define rb_cBignum rb_cInteger -#endif - -enum { - cmp_opt_Fixnum, - cmp_opt_String, - cmp_opt_Float, - cmp_optimizable_count -}; - -struct cmp_opt_data { - unsigned int opt_methods; - unsigned int opt_inited; -}; - -#define NEW_CMP_OPT_MEMO(type, value) \ - NEW_PARTIAL_MEMO_FOR(type, value, cmp_opt) -#define CMP_OPTIMIZABLE_BIT(type) (1U << TOKEN_PASTE(cmp_opt_,type)) -#define CMP_OPTIMIZABLE(data, type) \ - (((data).opt_inited & CMP_OPTIMIZABLE_BIT(type)) ? \ - ((data).opt_methods & CMP_OPTIMIZABLE_BIT(type)) : \ - (((data).opt_inited |= CMP_OPTIMIZABLE_BIT(type)), \ - rb_method_basic_definition_p(TOKEN_PASTE(rb_c,type), id_cmp) && \ - ((data).opt_methods |= CMP_OPTIMIZABLE_BIT(type)))) - -#define OPTIMIZED_CMP(a, b, data) \ - ((FIXNUM_P(a) && FIXNUM_P(b) && CMP_OPTIMIZABLE(data, Fixnum)) ? \ - (((long)a > (long)b) ? 1 : ((long)a < (long)b) ? -1 : 0) : \ - (STRING_P(a) && STRING_P(b) && CMP_OPTIMIZABLE(data, String)) ? \ - rb_str_cmp(a, b) : \ - (RB_FLOAT_TYPE_P(a) && RB_FLOAT_TYPE_P(b) && CMP_OPTIMIZABLE(data, Float)) ? \ - rb_float_cmp(a, b) : \ - rb_cmpint(rb_funcallv(a, id_cmp, 1, &b), a, b)) - -/* ment is in method.h */ - -/* global variable */ - -struct rb_global_entry { - struct rb_global_variable *var; - ID id; -}; - -struct rb_global_entry *rb_global_entry(ID); -VALUE rb_gvar_get(struct rb_global_entry *); -VALUE rb_gvar_set(struct rb_global_entry *, VALUE); -VALUE rb_gvar_defined(struct rb_global_entry *); - -struct vtm; /* defined by timev.h */ - -/* array.c */ -VALUE rb_ary_last(int, const VALUE *, VALUE); -void rb_ary_set_len(VALUE, long); -void rb_ary_delete_same(VALUE, VALUE); -VALUE rb_ary_tmp_new_fill(long capa); -VALUE rb_ary_at(VALUE, VALUE); -VALUE rb_ary_aref1(VALUE ary, VALUE i); -VALUE rb_ary_aref2(VALUE ary, VALUE b, VALUE e); -size_t rb_ary_memsize(VALUE); -VALUE rb_to_array_type(VALUE obj); -#ifdef __GNUC__ -#define rb_ary_new_from_args(n, ...) \ - __extension__ ({ \ - const VALUE args_to_new_ary[] = {__VA_ARGS__}; \ - if (__builtin_constant_p(n)) { \ - STATIC_ASSERT(rb_ary_new_from_args, numberof(args_to_new_ary) == (n)); \ - } \ - rb_ary_new_from_values(numberof(args_to_new_ary), args_to_new_ary); \ - }) -#endif - -/* bignum.c */ -extern const char ruby_digitmap[]; -double rb_big_fdiv_double(VALUE x, VALUE y); -VALUE rb_big_uminus(VALUE x); -VALUE rb_big_hash(VALUE); -VALUE rb_big_odd_p(VALUE); -VALUE rb_big_even_p(VALUE); -size_t rb_big_size(VALUE); -VALUE rb_integer_float_cmp(VALUE x, VALUE y); -VALUE rb_integer_float_eq(VALUE x, VALUE y); -VALUE rb_cstr_parse_inum(const char *str, ssize_t len, char **endp, int base); -VALUE rb_big_comp(VALUE x); -VALUE rb_big_aref(VALUE x, VALUE y); -VALUE rb_big_abs(VALUE x); -VALUE rb_big_size_m(VALUE big); -VALUE rb_big_bit_length(VALUE big); -VALUE rb_big_remainder(VALUE x, VALUE y); -VALUE rb_big_gt(VALUE x, VALUE y); -VALUE rb_big_ge(VALUE x, VALUE y); -VALUE rb_big_lt(VALUE x, VALUE y); -VALUE rb_big_le(VALUE x, VALUE y); -VALUE rb_int_powm(int const argc, VALUE * const argv, VALUE const num); - -/* class.c */ -VALUE rb_class_boot(VALUE); -VALUE rb_class_inherited(VALUE, VALUE); -VALUE rb_make_metaclass(VALUE, VALUE); -VALUE rb_include_class_new(VALUE, VALUE); -void rb_class_foreach_subclass(VALUE klass, void (*f)(VALUE, VALUE), VALUE); -void rb_class_detach_subclasses(VALUE); -void rb_class_detach_module_subclasses(VALUE); -void rb_class_remove_from_module_subclasses(VALUE); -VALUE rb_obj_methods(int argc, const VALUE *argv, VALUE obj); -VALUE rb_obj_protected_methods(int argc, const VALUE *argv, VALUE obj); -VALUE rb_obj_private_methods(int argc, const VALUE *argv, VALUE obj); -VALUE rb_obj_public_methods(int argc, const VALUE *argv, VALUE obj); -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); - -int rb_class_has_methods(VALUE c); -void rb_undef_methods_from(VALUE klass, VALUE super); - -/* compar.c */ -VALUE rb_invcmp(VALUE, VALUE); - -/* compile.c */ -struct rb_block; -int rb_dvar_defined(ID, const struct rb_block *); -int rb_local_defined(ID, const struct rb_block *); -const char * rb_insns_name(int i); -VALUE rb_insns_name_array(void); - -/* complex.c */ -VALUE rb_complex_plus(VALUE, VALUE); -VALUE rb_complex_mul(VALUE, VALUE); -VALUE rb_complex_abs(VALUE x); -VALUE rb_complex_sqrt(VALUE x); - -/* 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); - -/* dir.c */ -VALUE rb_dir_getwd_ospath(void); - -/* dmyext.c */ -void Init_enc(void); -void Init_ext(void); - -/* encoding.c */ -ID rb_id_encoding(void); -void rb_gc_mark_encodings(void); -rb_encoding *rb_enc_get_from_index(int index); -rb_encoding *rb_enc_check_str(VALUE str1, VALUE str2); -int rb_encdb_replicate(const char *alias, const char *orig); -int rb_encdb_alias(const char *alias, const char *orig); -int rb_encdb_dummy(const char *name); -void rb_encdb_declare(const char *name); -void rb_enc_set_base(const char *name, const char *orig); -int rb_enc_set_dummy(int index); -void rb_encdb_set_unicode(int index); -PUREFUNC(int rb_data_is_encoding(VALUE obj)); - -/* enum.c */ -VALUE rb_f_send(int argc, VALUE *argv, VALUE recv); -VALUE rb_nmin_run(VALUE obj, VALUE num, int by, int rev, int ary); - -/* error.c */ -extern VALUE rb_eEAGAIN; -extern VALUE rb_eEWOULDBLOCK; -extern VALUE rb_eEINPROGRESS; -void rb_report_bug_valist(VALUE file, int line, const char *fmt, va_list args); -VALUE rb_syntax_error_append(VALUE, VALUE, int, int, rb_encoding*, const char*, va_list); -VALUE rb_check_backtrace(VALUE); -NORETURN(void rb_async_bug_errno(const char *,int)); -const char *rb_builtin_type_name(int t); -const char *rb_builtin_class_name(VALUE x); -PRINTF_ARGS(void rb_sys_warn(const char *fmt, ...), 1, 2); -PRINTF_ARGS(void rb_syserr_warn(int err, const char *fmt, ...), 2, 3); -PRINTF_ARGS(void rb_enc_warn(rb_encoding *enc, const char *fmt, ...), 2, 3); -PRINTF_ARGS(void rb_sys_enc_warn(rb_encoding *enc, const char *fmt, ...), 2, 3); -PRINTF_ARGS(void rb_syserr_enc_warn(int err, rb_encoding *enc, const char *fmt, ...), 3, 4); -PRINTF_ARGS(void rb_sys_warning(const char *fmt, ...), 1, 2); -PRINTF_ARGS(void rb_syserr_warning(int err, const char *fmt, ...), 2, 3); -PRINTF_ARGS(void rb_enc_warning(rb_encoding *enc, const char *fmt, ...), 2, 3); -PRINTF_ARGS(void rb_sys_enc_warning(rb_encoding *enc, const char *fmt, ...), 2, 3); -PRINTF_ARGS(void rb_syserr_enc_warning(int err, rb_encoding *enc, const char *fmt, ...), 3, 4); - -#define rb_raise_cstr(etype, mesg) \ - rb_exc_raise(rb_exc_new_str(etype, rb_str_new_cstr(mesg))) -#define rb_raise_static(etype, mesg) \ - rb_exc_raise(rb_exc_new_str(etype, rb_str_new_static(mesg, rb_strlen_lit(mesg)))) - -VALUE rb_name_err_new(VALUE mesg, VALUE recv, VALUE method); -#define rb_name_err_raise_str(mesg, recv, name) \ - rb_exc_raise(rb_name_err_new(mesg, recv, name)) -#define rb_name_err_raise(mesg, recv, name) \ - rb_name_err_raise_str(rb_fstring_cstr(mesg), (recv), (name)) -VALUE rb_key_err_new(VALUE mesg, VALUE recv, VALUE name); -#define rb_key_err_raise(mesg, recv, name) \ - rb_exc_raise(rb_key_err_new(mesg, recv, name)) -NORETURN(void ruby_deprecated_internal_feature(const char *)); -#define DEPRECATED_INTERNAL_FEATURE(func) \ - (ruby_deprecated_internal_feature(func), UNREACHABLE) -VALUE rb_warning_warn(VALUE mod, VALUE str); -VALUE rb_warning_string(const char *fmt, ...); - -/* eval.c */ -VALUE rb_refinement_module_get_refined_class(VALUE module); - -/* eval_error.c */ -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); -VALUE rb_check_realpath(VALUE basedir, VALUE path); -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); -VALUE rb_get_path_check(VALUE, int); -void Init_File(void); -int ruby_is_fd_loadable(int fd); - -#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 */ -extern VALUE *ruby_initial_gc_stress_ptr; -extern int ruby_disable_gc; -void Init_heap(void); -void *ruby_mimmalloc(size_t size); -void ruby_mimfree(void *ptr); -void rb_objspace_set_event_hook(const rb_event_flag_t event); -#if USE_RGENGC -void rb_gc_writebarrier_remember(VALUE obj); -#else -#define rb_gc_writebarrier_remember(obj) 0 -#endif -void ruby_gc_set_params(int safe_level); -void rb_copy_wb_protected_attribute(VALUE dest, VALUE obj); +void rb_obj_info_dump(VALUE obj); +void rb_obj_info_dump_loc(VALUE obj, const char *file, int line, const char *func); -#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 - -/* optimized version of NEWOBJ() */ -#undef NEWOBJF_OF -#undef RB_NEWOBJ_OF -#define RB_NEWOBJ_OF(obj,type,klass,flags) \ - type *(obj) = (type*)(((flags) & FL_WB_PROTECTED) ? \ - rb_wb_protected_newobj_of(klass, (flags) & ~FL_WB_PROTECTED) : \ - rb_wb_unprotected_newobj_of(klass, flags)) -#define NEWOBJ_OF(obj,type,klass,flags) RB_NEWOBJ_OF(obj,type,klass,flags) +/* debug.c */ -/* hash.c */ -struct st_table *rb_hash_tbl_raw(VALUE hash); -VALUE rb_hash_new_with_size(st_index_t size); RUBY_SYMBOL_EXPORT_BEGIN -VALUE rb_hash_new_compare_by_id(void); +void ruby_debug_breakpoint(void); +PRINTF_ARGS(void ruby_debug_printf(const char*, ...), 1, 2); RUBY_SYMBOL_EXPORT_END -VALUE rb_hash_has_key(VALUE hash, VALUE key); -VALUE rb_hash_default_value(VALUE hash, VALUE key); -VALUE rb_hash_set_default_proc(VALUE hash, VALUE proc); -long rb_objid_hash(st_index_t index); -long rb_dbl_long_hash(double d); -st_table *rb_init_identtable(void); -st_table *rb_init_identtable_with_size(st_index_t size); -VALUE rb_hash_compare_by_id_p(VALUE hash); -VALUE rb_to_hash_type(VALUE obj); - -#define RHASH_TBL_RAW(h) rb_hash_tbl_raw(h) -VALUE rb_hash_keys(VALUE hash); -VALUE rb_hash_values(VALUE hash); -VALUE rb_hash_rehash(VALUE hash); -int rb_hash_add_new_element(VALUE hash, VALUE key, VALUE val); -#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); -VALUE rb_io_flush_raw(VALUE, int); -size_t rb_io_memsize(const rb_io_t *); -int rb_stderr_tty_p(void); - -/* load.c */ -VALUE rb_get_load_path(void); -VALUE rb_get_expanded_load_path(void); -int rb_require_internal(VALUE fname, int safe); -NORETURN(void rb_load_fail(VALUE, const char*)); - -/* loadpath.c */ -extern const char ruby_exec_prefix[]; -extern const char ruby_initial_load_paths[]; - -/* localeinit.c */ -int Init_enc_set_filesystem_encoding(void); - -/* math.c */ -VALUE rb_math_atan2(VALUE, VALUE); -VALUE rb_math_cos(VALUE); -VALUE rb_math_cosh(VALUE); -VALUE rb_math_exp(VALUE); -VALUE rb_math_hypot(VALUE, VALUE); -VALUE rb_math_log(int argc, const VALUE *argv); -VALUE rb_math_sin(VALUE); -VALUE rb_math_sinh(VALUE); -VALUE rb_math_sqrt(VALUE); - -/* newline.c */ -void Init_newline(void); - -/* numeric.c */ - -#define FIXNUM_POSITIVE_P(num) ((SIGNED_VALUE)(num) > (SIGNED_VALUE)INT2FIX(0)) -#define FIXNUM_NEGATIVE_P(num) ((SIGNED_VALUE)(num) < 0) -#define FIXNUM_ZERO_P(num) ((num) == INT2FIX(0)) - -#define INT_NEGATIVE_P(x) (FIXNUM_P(x) ? FIXNUM_NEGATIVE_P(x) : BIGNUM_NEGATIVE_P(x)) - -#ifndef ROUND_DEFAULT -# define ROUND_DEFAULT RUBY_NUM_ROUND_HALF_UP -#endif -enum ruby_num_rounding_mode { - RUBY_NUM_ROUND_HALF_UP, - RUBY_NUM_ROUND_HALF_EVEN, - RUBY_NUM_ROUND_HALF_DOWN, - RUBY_NUM_ROUND_DEFAULT = ROUND_DEFAULT -}; -#define ROUND_TO(mode, even, up, down) \ - ((mode) == RUBY_NUM_ROUND_HALF_EVEN ? even : \ - (mode) == RUBY_NUM_ROUND_HALF_UP ? up : down) -#define ROUND_FUNC(mode, name) \ - ROUND_TO(mode, name##_half_even, name##_half_up, name##_half_down) -#define ROUND_CALL(mode, name, args) \ - ROUND_TO(mode, name##_half_even args, \ - name##_half_up args, name##_half_down args) - -int rb_num_to_uint(VALUE val, unsigned int *ret); -VALUE ruby_num_interval_step_size(VALUE from, VALUE to, VALUE step, int excl); -int ruby_float_step(VALUE from, VALUE to, VALUE step, int excl); -double ruby_float_mod(double x, double y); -int rb_num_negative_p(VALUE); -VALUE rb_int_succ(VALUE num); -VALUE rb_int_pred(VALUE num); -VALUE rb_int_uminus(VALUE num); -VALUE rb_float_uminus(VALUE num); -VALUE rb_int_plus(VALUE x, VALUE y); -VALUE rb_int_minus(VALUE x, VALUE y); -VALUE rb_int_mul(VALUE x, VALUE y); -VALUE rb_int_idiv(VALUE x, VALUE y); -VALUE rb_int_modulo(VALUE x, VALUE y); -VALUE rb_int_round(VALUE num, int ndigits, enum ruby_num_rounding_mode mode); -VALUE rb_int2str(VALUE num, int base); -VALUE rb_dbl_hash(double d); -VALUE rb_fix_plus(VALUE x, VALUE y); -VALUE rb_int_gt(VALUE x, VALUE y); -int rb_float_cmp(VALUE x, VALUE y); -VALUE rb_float_gt(VALUE x, VALUE y); -VALUE rb_int_ge(VALUE x, VALUE y); -enum ruby_num_rounding_mode rb_num_get_rounding_option(VALUE opts); -double rb_int_fdiv_double(VALUE x, VALUE y); -VALUE rb_int_pow(VALUE x, VALUE y); -VALUE rb_float_pow(VALUE x, VALUE y); -VALUE rb_int_cmp(VALUE x, VALUE y); -VALUE rb_int_equal(VALUE x, VALUE y); -VALUE rb_int_divmod(VALUE x, VALUE y); -VALUE rb_int_and(VALUE x, VALUE y); -VALUE rb_int_lshift(VALUE x, VALUE y); -VALUE rb_int_div(VALUE x, VALUE y); -VALUE rb_int_abs(VALUE num); -VALUE rb_int_odd_p(VALUE num); - -static inline VALUE -rb_num_compare_with_zero(VALUE num, ID mid) -{ - VALUE zero = INT2FIX(0); - VALUE r = rb_check_funcall(num, mid, 1, &zero); - if (r == Qundef) { - rb_cmperr(num, zero); - } - return r; -} - -static inline int -rb_num_positive_int_p(VALUE num) -{ - const ID mid = '>'; - - if (FIXNUM_P(num)) { - if (rb_method_basic_definition_p(rb_cInteger, mid)) - return FIXNUM_POSITIVE_P(num); - } - else if (RB_TYPE_P(num, T_BIGNUM)) { - if (rb_method_basic_definition_p(rb_cInteger, mid)) - return BIGNUM_POSITIVE_P(num); - } - return RTEST(rb_num_compare_with_zero(num, mid)); -} - - -static inline int -rb_num_negative_int_p(VALUE num) -{ - const ID mid = '<'; - - if (FIXNUM_P(num)) { - if (rb_method_basic_definition_p(rb_cInteger, mid)) - return FIXNUM_NEGATIVE_P(num); - } - else if (RB_TYPE_P(num, T_BIGNUM)) { - if (rb_method_basic_definition_p(rb_cInteger, mid)) - return BIGNUM_NEGATIVE_P(num); - } - return RTEST(rb_num_compare_with_zero(num, mid)); -} - - -VALUE rb_float_abs(VALUE flt); -VALUE rb_float_equal(VALUE x, VALUE y); -VALUE rb_float_eql(VALUE x, VALUE y); - -#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_flonum_value(VALUE v) -{ -#if USE_FLONUM - 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 & ~(VALUE)0x03), 3); - return t.d; - } -#endif - return 0.0; -} - -static inline double -rb_float_noflonum_value(VALUE v) -{ - return ((struct RFloat *)v)->float_value; -} - -static inline double -rb_float_value_inline(VALUE v) -{ - if (FLONUM_P(v)) { - return rb_float_flonum_value(v); - } - return rb_float_noflonum_value(v); -} - -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); -CONSTFUNC(VALUE rb_obj_equal(VALUE obj1, VALUE obj2)); -CONSTFUNC(VALUE rb_obj_not(VALUE obj)); -VALUE rb_class_search_ancestor(VALUE klass, VALUE super); -NORETURN(void rb_undefined_alloc(VALUE klass)); -double rb_num_to_dbl(VALUE val); -VALUE rb_obj_dig(int argc, VALUE *argv, VALUE self, VALUE notfound); -VALUE rb_immutable_obj_clone(int, VALUE *, VALUE); -VALUE rb_obj_not_equal(VALUE obj1, VALUE obj2); -VALUE rb_convert_type_with_id(VALUE,int,const char*,ID); -VALUE rb_check_convert_type_with_id(VALUE,int,const char*,ID); -struct RBasicRaw { - VALUE flags; - VALUE klass; -}; +// show obj data structure without any side-effect +#define rp(obj) rb_obj_info_dump_loc((VALUE)(obj), __FILE__, __LINE__, RUBY_FUNCTION_NAME_STRING) -#define RBASIC_CLEAR_CLASS(obj) memset(&(((struct RBasicRaw *)((VALUE)(obj)))->klass), 0, sizeof(VALUE)) -#define RBASIC_SET_CLASS_RAW(obj, cls) memcpy(&((struct RBasicRaw *)((VALUE)(obj)))->klass, &(cls), sizeof(VALUE)) -#define RBASIC_SET_CLASS(obj, cls) do { \ - VALUE _obj_ = (obj); \ - RB_OBJ_WRITE(_obj_, &((struct RBasicRaw *)(_obj_))->klass, cls); \ +// same as rp, but add message header +#define rp_m(msg, obj) do { \ + fputs((msg), stderr); \ + rb_obj_info_dump((VALUE)(obj)); \ } while (0) -/* parse.y */ -#ifndef USE_SYMBOL_GC -#define USE_SYMBOL_GC 1 -#endif -VALUE rb_parser_get_yydebug(VALUE); -VALUE rb_parser_set_yydebug(VALUE, VALUE); -VALUE rb_parser_set_context(VALUE, const struct rb_block *, int); -void *rb_parser_load_file(VALUE parser, VALUE name); -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); -PUREFUNC(int rb_is_const_sym(VALUE sym)); -PUREFUNC(int rb_is_class_sym(VALUE sym)); -PUREFUNC(int rb_is_global_sym(VALUE sym)); -PUREFUNC(int rb_is_instance_sym(VALUE sym)); -PUREFUNC(int rb_is_attrset_sym(VALUE sym)); -PUREFUNC(int rb_is_local_sym(VALUE sym)); -PUREFUNC(int rb_is_method_sym(VALUE sym)); -PUREFUNC(int rb_is_junk_sym(VALUE sym)); -ID rb_make_internal_id(void); -void rb_gc_free_dsymbol(VALUE); -ID rb_id_attrget(ID id); - -/* proc.c */ -VALUE rb_proc_location(VALUE self); -st_index_t rb_hash_proc(st_index_t hash, VALUE proc); -int rb_block_arity(void); -int rb_block_min_max_arity(int *max); -VALUE rb_func_proc_new(rb_block_call_func_t func, VALUE val); -VALUE rb_func_lambda_new(rb_block_call_func_t func, VALUE val, int min_argc, int max_argc); -VALUE rb_block_to_s(VALUE self, const struct rb_block *block, const char *additional_info); - -/* process.c */ -#define RB_MAX_GROUPS (65536) - -struct rb_execarg { - union { - struct { - VALUE shell_script; - } sh; - struct { - VALUE command_name; - VALUE command_abspath; /* full path string or nil */ - VALUE argv_str; - VALUE argv_buf; - } cmd; - } invoke; - VALUE redirect_fds; - VALUE envp_str; - VALUE envp_buf; - VALUE dup2_tmpbuf; - unsigned use_shell : 1; - unsigned pgroup_given : 1; - unsigned umask_given : 1; - unsigned unsetenv_others_given : 1; - unsigned unsetenv_others_do : 1; - unsigned close_others_given : 1; - unsigned close_others_do : 1; - unsigned chdir_given : 1; - unsigned new_pgroup_given : 1; - unsigned new_pgroup_flag : 1; - unsigned uid_given : 1; - unsigned gid_given : 1; - rb_pid_t pgroup_pgid; /* asis(-1), new pgroup(0), specified pgroup (0<V). */ - VALUE rlimit_limits; /* Qfalse or [[rtype, softlim, hardlim], ...] */ - mode_t umask_mask; - rb_uid_t uid; - rb_gid_t gid; - int close_others_maxhint; - VALUE fd_dup2; - VALUE fd_close; - VALUE fd_open; - VALUE fd_dup2_child; - VALUE env_modification; /* Qfalse or [[k1,v1], ...] */ - VALUE path_env; - 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_rational_uminus(VALUE self); -VALUE rb_rational_plus(VALUE self, VALUE other); -VALUE rb_lcm(VALUE x, VALUE y); -VALUE rb_rational_reciprocal(VALUE x); -VALUE rb_cstr_to_rat(const char *, int); -VALUE rb_rational_abs(VALUE self); -VALUE rb_rational_cmp(VALUE self, VALUE other); -VALUE rb_numeric_quo(VALUE x, VALUE y); - -/* re.c */ -VALUE rb_reg_compile(VALUE str, int options, const char *sourcefile, int sourceline); -VALUE rb_reg_check_preprocess(VALUE); -long rb_reg_search0(VALUE, VALUE, long, int, int); -VALUE rb_reg_match_p(VALUE re, VALUE str, long pos); -bool rb_reg_start_with_p(VALUE re, VALUE str); -void rb_backref_set_string(VALUE string, long pos, long len); -int rb_match_count(VALUE match); -int rb_match_nth_defined(int nth, VALUE match); - -/* signal.c */ -extern int ruby_enable_coredump; -int rb_get_next_signal(void); -int rb_sigaltstack_size(void); - -/* st.c */ -extern void rb_hash_bulk_insert(long, const VALUE *, VALUE); - -/* strftime.c */ -#ifdef RUBY_ENCODING_H -VALUE rb_strftime_timespec(const char *format, size_t format_len, rb_encoding *enc, - const struct vtm *vtm, struct timespec *ts, int gmt); -VALUE rb_strftime(const char *format, size_t format_len, rb_encoding *enc, - const struct vtm *vtm, VALUE timev, int gmt); -#endif - -/* string.c */ -VALUE rb_fstring(VALUE); -VALUE rb_fstring_new(const char *ptr, long len); -#define rb_fstring_lit(str) rb_fstring_new((str), rb_strlen_lit(str)) -#define rb_fstring_literal(str) rb_fstring_lit(str) -VALUE rb_fstring_cstr(const char *str); -#ifdef HAVE_BUILTIN___BUILTIN_CONSTANT_P -# define rb_fstring_cstr(str) RB_GNUC_EXTENSION_BLOCK( \ - (__builtin_constant_p(str)) ? \ - rb_fstring_new((str), (long)strlen(str)) : \ - rb_fstring_cstr(str) \ -) -#endif -#ifdef RUBY_ENCODING_H -VALUE rb_fstring_enc_new(const char *ptr, long len, rb_encoding *enc); -#define rb_fstring_enc_lit(str, enc) rb_fstring_enc_new((str), rb_strlen_lit(str), (enc)) -#define rb_fstring_enc_literal(str, enc) rb_fstring_enc_lit(str, enc) -VALUE rb_fstring_enc_cstr(const char *ptr, rb_encoding *enc); -# ifdef HAVE_BUILTIN___BUILTIN_CONSTANT_P -# define rb_fstring_enc_cstr(str, enc) RB_GNUC_EXTENSION_BLOCK( \ - (__builtin_constant_p(str)) ? \ - rb_fstring_enc_new((str), (long)strlen(str), (enc)) : \ - rb_fstring_enc_cstr(str, enc) \ -) -# endif -#endif -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) -char *rb_str_fill_terminator(VALUE str, const int termlen); -void rb_str_change_terminator_length(VALUE str, const int oldtermlen, const int termlen); -VALUE rb_str_locktmp_ensure(VALUE str, VALUE (*func)(VALUE), VALUE arg); -VALUE rb_str_tmp_frozen_acquire(VALUE str); -void rb_str_tmp_frozen_release(VALUE str, VALUE tmp); -VALUE rb_str_chomp_string(VALUE str, VALUE chomp); -#ifdef RUBY_ENCODING_H -VALUE rb_external_str_with_enc(VALUE str, rb_encoding *eenc); -VALUE rb_str_cat_conv_enc_opts(VALUE newstr, long ofs, const char *ptr, long len, - rb_encoding *from, int ecflags, VALUE ecopts); -VALUE rb_enc_str_scrub(rb_encoding *enc, VALUE str, VALUE repl); -VALUE rb_str_initialize(VALUE str, const char *ptr, long len, rb_encoding *enc); -#endif -#define STR_NOEMBED FL_USER1 -#define STR_SHARED FL_USER2 /* = ELTS_SHARED */ -#define STR_EMBED_P(str) (!FL_TEST_RAW((str), STR_NOEMBED)) -#define STR_SHARED_P(s) FL_ALL_RAW((s), STR_NOEMBED|ELTS_SHARED) -#define is_ascii_string(str) (rb_enc_str_coderange(str) == ENC_CODERANGE_7BIT) -#define is_broken_string(str) (rb_enc_str_coderange(str) == ENC_CODERANGE_BROKEN) -size_t rb_str_memsize(VALUE); -VALUE rb_sym_proc_call(ID mid, int argc, const VALUE *argv, VALUE passed_proc); -VALUE rb_sym_to_proc(VALUE sym); -char *rb_str_to_cstr(VALUE str); -VALUE rb_str_eql(VALUE str1, VALUE str2); - -/* symbol.c */ -#ifdef RUBY_ENCODING_H -VALUE rb_sym_intern(const char *ptr, long len, rb_encoding *enc); -VALUE rb_sym_intern_cstr(const char *ptr, rb_encoding *enc); -#ifdef __GNUC__ -#define rb_sym_intern_cstr(ptr, enc) __extension__ ( \ -{ \ - (__builtin_constant_p(ptr)) ? \ - rb_sym_intern((ptr), (long)strlen(ptr), (enc)) : \ - rb_sym_intern_cstr((ptr), (enc)); \ -}) -#endif -#endif -VALUE rb_sym_intern_ascii(const char *ptr, long len); -VALUE rb_sym_intern_ascii_cstr(const char *ptr); -#ifdef __GNUC__ -#define rb_sym_intern_ascii_cstr(ptr) __extension__ ( \ -{ \ - (__builtin_constant_p(ptr)) ? \ - rb_sym_intern_ascii((ptr), (long)strlen(ptr)) : \ - rb_sym_intern_ascii_cstr(ptr); \ -}) -#endif -VALUE rb_to_symbol_type(VALUE obj); - -/* struct.c */ -VALUE rb_struct_init_copy(VALUE copy, VALUE s); -VALUE rb_struct_lookup(VALUE s, VALUE idx); -VALUE rb_struct_s_keyword_init(VALUE klass); - -/* time.c */ -struct timeval rb_time_timeval(VALUE); - -/* thread.c */ -#define COVERAGE_INDEX_LINES 0 -#define COVERAGE_INDEX_BRANCHES 1 -#define COVERAGE_TARGET_LINES 1 -#define COVERAGE_TARGET_BRANCHES 2 -#define COVERAGE_TARGET_METHODS 4 - -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_default_coverage(int); -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); -int rb_thread_to_be_killed(VALUE thread); -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); - -/* thread_pthread.c, thread_win32.c */ -int rb_divert_reserved_fd(int fd); - -/* transcode.c */ -extern VALUE rb_cEncodingConverter; -size_t rb_econv_memsize(rb_econv_t *); - -/* us_ascii.c */ -extern rb_encoding OnigEncodingUS_ASCII; - -/* util.c */ -char *ruby_dtoa(double d_, int mode, int ndigits, int *decpt, int *sign, char **rve); -char *ruby_hdtoa(double d, const char *xdigs, int ndigits, int *decpt, int *sign, char **rve); - -/* utf_8.c */ -extern rb_encoding OnigEncodingUTF_8; - -/* variable.c */ -void rb_gc_mark_global_tbl(void); -size_t rb_generic_ivar_memsize(VALUE); -VALUE rb_search_class_path(VALUE); -VALUE rb_attr_delete(VALUE, ID); -VALUE rb_ivar_lookup(VALUE obj, ID id, VALUE undef); -void rb_autoload_str(VALUE mod, ID id, VALUE file); -void rb_deprecate_constant(VALUE mod, const char *name); - -/* version.c */ -extern const char ruby_engine[]; - -/* vm_insnhelper.h */ -rb_serial_t rb_next_class_serial(void); - -/* vm.c */ -VALUE rb_obj_is_thread(VALUE obj); -void rb_vm_mark(void *ptr); -void Init_BareVM(void); -void Init_vm_objects(void); -PUREFUNC(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); -const void **rb_vm_get_insns_address_table(void); -VALUE rb_source_location(int *pline); -const char *rb_source_location_cstr(int *pline); -void rb_vm_pop_cfunc_frame(void); -int rb_vm_add_root_module(ID id, VALUE module); -void rb_vm_check_redefinition_by_prepend(VALUE klass); -VALUE rb_yield_refine_block(VALUE refinement, VALUE refinements); -VALUE ruby_vm_special_exception_copy(VALUE); -PUREFUNC(st_table *rb_vm_fstring_table(void)); - - -/* vm_dump.c */ -void rb_print_backtrace(void); +// `ruby_debug_breakpoint()` does nothing, +// but breakpoint is set in run.gdb, so `make gdb` can stop here. +#define bp() ruby_debug_breakpoint() -/* 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); -const char *rb_type_str(enum ruby_value_type type); -VALUE rb_check_funcall_default(VALUE, ID, int, const VALUE *, VALUE); -VALUE rb_yield_1(VALUE val); -VALUE rb_yield_force_blockarg(VALUE values); -VALUE rb_lambda_call(VALUE obj, ID mid, int argc, const VALUE *argv, - rb_block_call_func_t bl_proc, int min_argc, int max_argc, - VALUE data2); +#define RBOOL(v) ((v) ? Qtrue : Qfalse) +#define RB_BIGNUM_TYPE_P(x) RB_TYPE_P((x), T_BIGNUM) -/* vm_insnhelper.c */ -VALUE rb_equal_opt(VALUE obj1, VALUE obj2); -VALUE rb_eql_opt(VALUE obj1, VALUE obj2); - -/* vm_method.c */ -void Init_eval_method(void); -int rb_method_defined_by(VALUE obj, ID mid, VALUE (*cfunc)(ANYARGS)); - -/* miniprelude.c, prelude.c */ -void Init_prelude(void); - -/* vm_backtrace.c */ -void Init_vm_backtrace(void); -VALUE rb_vm_thread_backtrace(int argc, const VALUE *argv, VALUE thval); -VALUE rb_vm_thread_backtrace_locations(int argc, const VALUE *argv, VALUE thval); - -VALUE rb_make_backtrace(void); -void rb_backtrace_print_as_bugreport(void); -int rb_backtrace_p(VALUE obj); -VALUE rb_backtrace_to_str_ary(VALUE obj); -VALUE rb_backtrace_to_location_ary(VALUE obj); -void rb_backtrace_each(VALUE (*iter)(VALUE recv, VALUE str), VALUE output); - -RUBY_SYMBOL_EXPORT_BEGIN -const char *rb_objspace_data_type_name(VALUE obj); - -/* Temporary. This API will be removed (renamed). */ -VALUE rb_thread_io_blocking_region(rb_blocking_function_t *func, void *data1, int fd); - -/* bignum.c (export) */ -VALUE rb_big_mul_normal(VALUE x, VALUE y); -VALUE rb_big_mul_balance(VALUE x, VALUE y); -VALUE rb_big_mul_karatsuba(VALUE x, VALUE y); -VALUE rb_big_mul_toom3(VALUE x, VALUE y); -VALUE rb_big_sq_fast(VALUE x); -VALUE rb_big_divrem_normal(VALUE x, VALUE y); -VALUE rb_big2str_poweroftwo(VALUE x, int base); -VALUE rb_big2str_generic(VALUE x, int base); -VALUE rb_str2big_poweroftwo(VALUE arg, int base, int badcheck); -VALUE rb_str2big_normal(VALUE arg, int base, int badcheck); -VALUE rb_str2big_karatsuba(VALUE arg, int base, int badcheck); -#if defined(HAVE_LIBGMP) && defined(HAVE_GMP_H) -VALUE rb_big_mul_gmp(VALUE x, VALUE y); -VALUE rb_big_divrem_gmp(VALUE x, VALUE y); -VALUE rb_big2str_gmp(VALUE x, int base); -VALUE rb_str2big_gmp(VALUE arg, int base, int badcheck); -#endif -enum rb_int_parse_flags { - RB_INT_PARSE_SIGN = 0x01, - RB_INT_PARSE_UNDERSCORE = 0x02, - RB_INT_PARSE_PREFIX = 0x04, - RB_INT_PARSE_ALL = 0x07, - RB_INT_PARSE_DEFAULT = 0x07 -}; -VALUE rb_int_parse_cstr(const char *str, ssize_t len, char **endp, size_t *ndigits, int base, int flags); - -/* error.c (export) */ -int rb_bug_reporter_add(void (*func)(FILE *, void *), void *data); -NORETURN(void rb_unexpected_type(VALUE,int)); -#undef Check_Type -#define Check_Type(v, t) \ - (!RB_TYPE_P((VALUE)(v), (t)) || \ - ((t) == RUBY_T_DATA && RTYPEDDATA_P(v)) ? \ - rb_unexpected_type((VALUE)(v), (t)) : (void)0) - -/* file.c (export) */ -#ifdef HAVE_READLINK -VALUE rb_readlink(VALUE path, rb_encoding *enc); -#endif -#ifdef __APPLE__ -VALUE rb_str_normalize_ospath(const char *ptr, long len); -#endif - -/* hash.c (export) */ -VALUE rb_hash_delete_entry(VALUE hash, VALUE key); -VALUE rb_ident_hash_new(void); - -/* io.c (export) */ -void rb_maygvl_fd_fix_cloexec(int fd); -int rb_gc_for_fd(int err); -void rb_write_error_str(VALUE mesg); - -/* numeric.c (export) */ -VALUE rb_int_positive_pow(long x, unsigned long y); - -/* process.c (export) */ -int rb_exec_async_signal_safe(const struct rb_execarg *e, char *errmsg, size_t errmsg_buflen); -rb_pid_t rb_fork_async_signal_safe(int *status, int (*chfunc)(void*, char *, size_t), void *charg, VALUE fds, char *errmsg, size_t errmsg_buflen); -VALUE rb_execarg_new(int argc, const VALUE *argv, int accept_shell); -struct rb_execarg *rb_execarg_get(VALUE execarg_obj); /* dangerous. needs GC guard. */ -VALUE rb_execarg_init(int argc, const VALUE *argv, int accept_shell, VALUE execarg_obj); -int rb_execarg_addopt(VALUE execarg_obj, VALUE key, VALUE val); -void rb_execarg_parent_start(VALUE execarg_obj); -void rb_execarg_parent_end(VALUE execarg_obj); -int rb_execarg_run_options(const struct rb_execarg *e, struct rb_execarg *s, char* errmsg, size_t errmsg_buflen); -VALUE rb_execarg_extract_options(VALUE execarg_obj, VALUE opthash); -void rb_execarg_setenv(VALUE execarg_obj, VALUE env); - -/* rational.c (export) */ -VALUE rb_gcd(VALUE x, VALUE y); -VALUE rb_gcd_normal(VALUE self, VALUE other); -#if defined(HAVE_LIBGMP) && defined(HAVE_GMP_H) -VALUE rb_gcd_gmp(VALUE x, VALUE y); -#endif - -/* string.c (export) */ -#ifdef RUBY_ENCODING_H -/* internal use */ -VALUE rb_setup_fake_str(struct RString *fake_str, const char *name, long len, rb_encoding *enc); -#endif - -/* thread.c (export) */ -int ruby_thread_has_gvl_p(void); /* for ext/fiddle/closure.c */ - -/* util.c (export) */ -extern const signed char ruby_digit36_to_number_table[]; -extern const char ruby_hexdigits[]; -extern unsigned long ruby_scan_digits(const char *str, ssize_t len, int base, size_t *retlen, int *overflow); - -/* variable.c (export) */ -void rb_mark_generic_ivar(VALUE); -VALUE rb_const_missing(VALUE klass, VALUE name); -int rb_class_ivar_set(VALUE klass, ID vid, VALUE value); -st_table *rb_st_copy(VALUE obj, struct st_table *orig_tbl); - -/* gc.c (export) */ -VALUE rb_wb_protected_newobj_of(VALUE, VALUE); -VALUE rb_wb_unprotected_newobj_of(VALUE, VALUE); - -size_t rb_obj_memsize_of(VALUE); -void rb_gc_verify_internal_consistency(void); - -#define RB_OBJ_GC_FLAGS_MAX 5 -size_t rb_obj_gc_flags(VALUE, ID[], size_t); -void rb_gc_mark_values(long n, const VALUE *values); - -#if IMEMO_DEBUG -VALUE rb_imemo_new_debug(enum imemo_type type, VALUE v1, VALUE v2, VALUE v3, VALUE v0, const char *file, int line); -#define rb_imemo_new(type, v1, v2, v3, v0) rb_imemo_new_debug(type, v1, v2, v3, v0, __FILE__, __LINE__) -#else -VALUE rb_imemo_new(enum imemo_type type, VALUE v1, VALUE v2, VALUE v3, VALUE v0); +#ifndef __MINGW32__ +#undef memcpy +#define memcpy ruby_nonempty_memcpy #endif - -RUBY_SYMBOL_EXPORT_END - -#define RUBY_DTRACE_CREATE_HOOK(name, arg) \ - RUBY_DTRACE_HOOK(name##_CREATE, arg) -#define RUBY_DTRACE_HOOK(name, arg) \ -do { \ - if (UNLIKELY(RUBY_DTRACE_##name##_ENABLED())) { \ - int dtrace_line; \ - const char *dtrace_file = rb_source_location_cstr(&dtrace_line); \ - if (!dtrace_file) dtrace_file = ""; \ - RUBY_DTRACE_##name(arg, dtrace_file, dtrace_line); \ - } \ -} while (0) - -#define RB_OBJ_BUILTIN_TYPE(obj) rb_obj_builtin_type(obj) -#define OBJ_BUILTIN_TYPE(obj) RB_OBJ_BUILTIN_TYPE(obj) -#ifdef __GNUC__ -#define rb_obj_builtin_type(obj) \ -__extension__({ \ - VALUE arg_obj = (obj); \ - RB_SPECIAL_CONST_P(arg_obj) ? -1 : \ - RB_BUILTIN_TYPE(arg_obj); \ - }) -#else -static inline int -rb_obj_builtin_type(VALUE obj) -{ - return RB_SPECIAL_CONST_P(obj) ? -1 : - RB_BUILTIN_TYPE(obj); -} -#endif - -#if defined(__cplusplus) -#if 0 -{ /* satisfy cc-mode */ -#endif -} /* extern "C" { */ -#endif - #endif /* RUBY_INTERNAL_H */ |