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-rw-r--r--include/ruby/encoding.h263
1 files changed, 168 insertions, 95 deletions
diff --git a/include/ruby/encoding.h b/include/ruby/encoding.h
index cced3d2688..e6ceb19cdf 100644
--- a/include/ruby/encoding.h
+++ b/include/ruby/encoding.h
@@ -20,83 +20,118 @@ extern "C" {
#endif
#include <stdarg.h>
+#include "ruby/ruby.h"
#include "ruby/oniguruma.h"
-#if defined __GNUC__ && __GNUC__ >= 4
-#pragma GCC visibility push(default)
-#endif
+RUBY_SYMBOL_EXPORT_BEGIN
-#define ENCODING_INLINE_MAX 1023
-#define ENCODING_SHIFT (FL_USHIFT+10)
-#define ENCODING_MASK (((VALUE)ENCODING_INLINE_MAX)<<ENCODING_SHIFT)
+enum ruby_encoding_consts {
+ RUBY_ENCODING_INLINE_MAX = 127,
+ RUBY_ENCODING_SHIFT = (RUBY_FL_USHIFT+10),
+ RUBY_ENCODING_MASK = (RUBY_ENCODING_INLINE_MAX<<RUBY_ENCODING_SHIFT
+ /* RUBY_FL_USER10..RUBY_FL_USER16 */),
+ RUBY_ENCODING_MAXNAMELEN = 42
+};
-#define ENCODING_SET_INLINED(obj,i) do {\
- RBASIC(obj)->flags &= ~ENCODING_MASK;\
- RBASIC(obj)->flags |= (VALUE)(i) << ENCODING_SHIFT;\
-} while (0)
-#define ENCODING_SET(obj,i) do {\
- VALUE rb_encoding_set_obj = (obj); \
- int encoding_set_enc_index = (i); \
- if (encoding_set_enc_index < ENCODING_INLINE_MAX) \
- ENCODING_SET_INLINED(rb_encoding_set_obj, encoding_set_enc_index); \
- else \
- rb_enc_set_index(rb_encoding_set_obj, encoding_set_enc_index); \
+#define ENCODING_INLINE_MAX RUBY_ENCODING_INLINE_MAX
+#define ENCODING_SHIFT RUBY_ENCODING_SHIFT
+#define ENCODING_MASK RUBY_ENCODING_MASK
+
+#define RB_ENCODING_SET_INLINED(obj,i) do {\
+ RBASIC(obj)->flags &= ~RUBY_ENCODING_MASK;\
+ RBASIC(obj)->flags |= (VALUE)(i) << RUBY_ENCODING_SHIFT;\
} while (0)
+#define RB_ENCODING_SET(obj,i) rb_enc_set_index((obj), (i))
-#define ENCODING_GET_INLINED(obj) (int)((RBASIC(obj)->flags & ENCODING_MASK)>>ENCODING_SHIFT)
-#define ENCODING_GET(obj) \
- (ENCODING_GET_INLINED(obj) != ENCODING_INLINE_MAX ? \
- ENCODING_GET_INLINED(obj) : \
+#define RB_ENCODING_GET_INLINED(obj) \
+ (int)((RBASIC(obj)->flags & RUBY_ENCODING_MASK)>>RUBY_ENCODING_SHIFT)
+#define RB_ENCODING_GET(obj) \
+ (RB_ENCODING_GET_INLINED(obj) != RUBY_ENCODING_INLINE_MAX ? \
+ RB_ENCODING_GET_INLINED(obj) : \
rb_enc_get_index(obj))
-#define ENCODING_IS_ASCII8BIT(obj) (ENCODING_GET_INLINED(obj) == 0)
-
-#define ENCODING_MAXNAMELEN 42
+#define RB_ENCODING_IS_ASCII8BIT(obj) (RB_ENCODING_GET_INLINED(obj) == 0)
+
+#define ENCODING_SET_INLINED(obj,i) RB_ENCODING_SET_INLINED(obj,i)
+#define ENCODING_SET(obj,i) RB_ENCODING_SET(obj,i)
+#define ENCODING_GET_INLINED(obj) RB_ENCODING_GET_INLINED(obj)
+#define ENCODING_GET(obj) RB_ENCODING_GET(obj)
+#define ENCODING_IS_ASCII8BIT(obj) RB_ENCODING_IS_ASCII8BIT(obj)
+#define ENCODING_MAXNAMELEN RUBY_ENCODING_MAXNAMELEN
+
+enum ruby_coderange_type {
+ RUBY_ENC_CODERANGE_UNKNOWN = 0,
+ RUBY_ENC_CODERANGE_7BIT = ((int)RUBY_FL_USER8),
+ RUBY_ENC_CODERANGE_VALID = ((int)RUBY_FL_USER9),
+ RUBY_ENC_CODERANGE_BROKEN = ((int)(RUBY_FL_USER8|RUBY_FL_USER9)),
+ RUBY_ENC_CODERANGE_MASK = (RUBY_ENC_CODERANGE_7BIT|
+ RUBY_ENC_CODERANGE_VALID|
+ RUBY_ENC_CODERANGE_BROKEN)
+};
-#define ENC_CODERANGE_MASK ((int)(FL_USER8|FL_USER9))
-#define ENC_CODERANGE_UNKNOWN 0
-#define ENC_CODERANGE_7BIT ((int)FL_USER8)
-#define ENC_CODERANGE_VALID ((int)FL_USER9)
-#define ENC_CODERANGE_BROKEN ((int)(FL_USER8|FL_USER9))
-#define ENC_CODERANGE(obj) ((int)RBASIC(obj)->flags & ENC_CODERANGE_MASK)
-#define ENC_CODERANGE_ASCIIONLY(obj) (ENC_CODERANGE(obj) == ENC_CODERANGE_7BIT)
-#define ENC_CODERANGE_SET(obj,cr) (RBASIC(obj)->flags = \
- (RBASIC(obj)->flags & ~ENC_CODERANGE_MASK) | (cr))
-#define ENC_CODERANGE_CLEAR(obj) ENC_CODERANGE_SET((obj),0)
+static inline int
+rb_enc_coderange_clean_p(int cr)
+{
+ return (cr ^ (cr >> 1)) & RUBY_ENC_CODERANGE_7BIT;
+}
+#define RB_ENC_CODERANGE_CLEAN_P(cr) rb_enc_coderange_clean_p(cr)
+#define RB_ENC_CODERANGE(obj) ((int)RBASIC(obj)->flags & RUBY_ENC_CODERANGE_MASK)
+#define RB_ENC_CODERANGE_ASCIIONLY(obj) (RB_ENC_CODERANGE(obj) == RUBY_ENC_CODERANGE_7BIT)
+#define RB_ENC_CODERANGE_SET(obj,cr) (\
+ RBASIC(obj)->flags = \
+ (RBASIC(obj)->flags & ~RUBY_ENC_CODERANGE_MASK) | (cr))
+#define RB_ENC_CODERANGE_CLEAR(obj) RB_ENC_CODERANGE_SET((obj),0)
/* assumed ASCII compatibility */
-#define ENC_CODERANGE_AND(a, b) \
- ((a) == ENC_CODERANGE_7BIT ? (b) : \
- (a) == ENC_CODERANGE_VALID ? ((b) == ENC_CODERANGE_7BIT ? ENC_CODERANGE_VALID : (b)) : \
- ENC_CODERANGE_UNKNOWN)
+#define RB_ENC_CODERANGE_AND(a, b) \
+ ((a) == RUBY_ENC_CODERANGE_7BIT ? (b) : \
+ (a) != RUBY_ENC_CODERANGE_VALID ? RUBY_ENC_CODERANGE_UNKNOWN : \
+ (b) == RUBY_ENC_CODERANGE_7BIT ? RUBY_ENC_CODERANGE_VALID : (b))
-#define ENCODING_CODERANGE_SET(obj, encindex, cr) \
+#define RB_ENCODING_CODERANGE_SET(obj, encindex, cr) \
do { \
VALUE rb_encoding_coderange_obj = (obj); \
- ENCODING_SET(rb_encoding_coderange_obj, (encindex)); \
- ENC_CODERANGE_SET(rb_encoding_coderange_obj, (cr)); \
+ RB_ENCODING_SET(rb_encoding_coderange_obj, (encindex)); \
+ RB_ENC_CODERANGE_SET(rb_encoding_coderange_obj, (cr)); \
} while (0)
-typedef OnigEncodingType rb_encoding;
+#define ENC_CODERANGE_MASK RUBY_ENC_CODERANGE_MASK
+#define ENC_CODERANGE_UNKNOWN RUBY_ENC_CODERANGE_UNKNOWN
+#define ENC_CODERANGE_7BIT RUBY_ENC_CODERANGE_7BIT
+#define ENC_CODERANGE_VALID RUBY_ENC_CODERANGE_VALID
+#define ENC_CODERANGE_BROKEN RUBY_ENC_CODERANGE_BROKEN
+#define ENC_CODERANGE_CLEAN_P(cr) RB_ENC_CODERANGE_CLEAN_P(cr)
+#define ENC_CODERANGE(obj) RB_ENC_CODERANGE(obj)
+#define ENC_CODERANGE_ASCIIONLY(obj) RB_ENC_CODERANGE_ASCIIONLY(obj)
+#define ENC_CODERANGE_SET(obj,cr) RB_ENC_CODERANGE_SET(obj,cr)
+#define ENC_CODERANGE_CLEAR(obj) RB_ENC_CODERANGE_CLEAR(obj)
+#define ENC_CODERANGE_AND(a, b) RB_ENC_CODERANGE_AND(a, b)
+#define ENCODING_CODERANGE_SET(obj, encindex, cr) RB_ENCODING_CODERANGE_SET(obj, encindex, cr)
+
+typedef const OnigEncodingType rb_encoding;
int rb_char_to_option_kcode(int c, int *option, int *kcode);
int rb_enc_replicate(const char *, rb_encoding *);
int rb_define_dummy_encoding(const char *);
-#define rb_enc_to_index(enc) ((enc) ? ENC_TO_ENCINDEX(enc) : 0)
+PUREFUNC(int rb_enc_dummy_p(rb_encoding *enc));
+PUREFUNC(int rb_enc_to_index(rb_encoding *enc));
int rb_enc_get_index(VALUE obj);
void rb_enc_set_index(VALUE obj, int encindex);
int rb_enc_find_index(const char *name);
int rb_to_encoding_index(VALUE);
-rb_encoding* rb_to_encoding(VALUE);
-rb_encoding* rb_enc_get(VALUE);
-rb_encoding* rb_enc_compatible(VALUE,VALUE);
-rb_encoding* rb_enc_check(VALUE,VALUE);
+rb_encoding *rb_to_encoding(VALUE);
+rb_encoding *rb_find_encoding(VALUE);
+rb_encoding *rb_enc_get(VALUE);
+rb_encoding *rb_enc_compatible(VALUE,VALUE);
+rb_encoding *rb_enc_check(VALUE,VALUE);
VALUE rb_enc_associate_index(VALUE, int);
VALUE rb_enc_associate(VALUE, rb_encoding*);
void rb_enc_copy(VALUE dst, VALUE src);
VALUE rb_enc_str_new(const char*, long, rb_encoding*);
+VALUE rb_enc_str_new_cstr(const char*, rb_encoding*);
+VALUE rb_enc_str_new_static(const char*, long, rb_encoding*);
VALUE rb_enc_reg_new(const char*, long, rb_encoding*, int);
PRINTF_ARGS(VALUE rb_enc_sprintf(rb_encoding *, const char*, ...), 2, 3);
VALUE rb_enc_vsprintf(rb_encoding *, const char*, va_list);
@@ -111,11 +146,26 @@ VALUE rb_str_export_to_enc(VALUE, rb_encoding *);
VALUE rb_str_conv_enc(VALUE str, rb_encoding *from, rb_encoding *to);
VALUE rb_str_conv_enc_opts(VALUE str, rb_encoding *from, rb_encoding *to, int ecflags, VALUE ecopts);
+#ifdef HAVE_BUILTIN___BUILTIN_CONSTANT_P
+#define rb_enc_str_new(str, len, enc) RB_GNUC_EXTENSION_BLOCK( \
+ (__builtin_constant_p(str) && __builtin_constant_p(len)) ? \
+ rb_enc_str_new_static((str), (len), (enc)) : \
+ rb_enc_str_new((str), (len), (enc)) \
+)
+#define rb_enc_str_new_cstr(str, enc) RB_GNUC_EXTENSION_BLOCK( \
+ (__builtin_constant_p(str)) ? \
+ rb_enc_str_new_static((str), (long)strlen(str), (enc)) : \
+ rb_enc_str_new_cstr((str), (enc)) \
+)
+#endif
+
+PRINTF_ARGS(NORETURN(void rb_enc_raise(rb_encoding *, VALUE, const char*, ...)), 3, 4);
+
/* index -> rb_encoding */
-rb_encoding* rb_enc_from_index(int idx);
+rb_encoding *rb_enc_from_index(int idx);
/* name -> rb_encoding */
-rb_encoding * rb_enc_find(const char *name);
+rb_encoding *rb_enc_find(const char *name);
/* rb_encoding * -> name */
#define rb_enc_name(enc) (enc)->name
@@ -153,6 +203,9 @@ unsigned int rb_enc_codepoint(const char *p, const char *e, rb_encoding *enc);
/* -> codelen>0 or raise exception */
int rb_enc_codelen(int code, rb_encoding *enc);
+/* -> 0 for invalid codepoint */
+int rb_enc_code_to_mbclen(int code, rb_encoding *enc);
+#define rb_enc_code_to_mbclen(c, enc) ONIGENC_CODE_TO_MBCLEN((enc), (c));
/* code,ptr,encoding -> write buf */
#define rb_enc_mbcput(c,buf,enc) ONIGENC_CODE_TO_MBC((enc),(c),(UChar*)(buf))
@@ -178,11 +231,16 @@ int rb_enc_codelen(int code, rb_encoding *enc);
#define rb_enc_isspace(c,enc) ONIGENC_IS_CODE_SPACE((enc),(c))
#define rb_enc_isdigit(c,enc) ONIGENC_IS_CODE_DIGIT((enc),(c))
-#define rb_enc_asciicompat(enc) (rb_enc_mbminlen(enc)==1 && !rb_enc_dummy_p(enc))
+static inline int
+rb_enc_asciicompat_inline(rb_encoding *enc)
+{
+ return rb_enc_mbminlen(enc)==1 && !rb_enc_dummy_p(enc);
+}
+#define rb_enc_asciicompat(enc) rb_enc_asciicompat_inline(enc)
int rb_enc_casefold(char *to, const char *p, const char *e, rb_encoding *enc);
-int rb_enc_toupper(int c, rb_encoding *enc);
-int rb_enc_tolower(int c, rb_encoding *enc);
+CONSTFUNC(int rb_enc_toupper(int c, rb_encoding *enc));
+CONSTFUNC(int rb_enc_tolower(int c, rb_encoding *enc));
ID rb_intern3(const char*, long, rb_encoding*);
ID rb_interned_id_p(const char *, long, rb_encoding *);
int rb_enc_symname_p(const char*, rb_encoding*);
@@ -192,7 +250,7 @@ long rb_str_coderange_scan_restartable(const char*, const char*, rb_encoding*, i
int rb_enc_str_asciionly_p(VALUE);
#define rb_enc_str_asciicompat_p(str) rb_enc_asciicompat(rb_enc_get(str))
VALUE rb_enc_from_encoding(rb_encoding *enc);
-int rb_enc_unicode_p(rb_encoding *enc);
+PUREFUNC(int rb_enc_unicode_p(rb_encoding *enc));
rb_encoding *rb_ascii8bit_encoding(void);
rb_encoding *rb_utf8_encoding(void);
rb_encoding *rb_usascii_encoding(void);
@@ -200,9 +258,15 @@ rb_encoding *rb_locale_encoding(void);
rb_encoding *rb_filesystem_encoding(void);
rb_encoding *rb_default_external_encoding(void);
rb_encoding *rb_default_internal_encoding(void);
-int rb_ascii8bit_encindex(void);
-int rb_utf8_encindex(void);
-int rb_usascii_encindex(void);
+#ifndef rb_ascii8bit_encindex
+CONSTFUNC(int rb_ascii8bit_encindex(void));
+#endif
+#ifndef rb_utf8_encindex
+CONSTFUNC(int rb_utf8_encindex(void));
+#endif
+#ifndef rb_usascii_encindex
+CONSTFUNC(int rb_usascii_encindex(void));
+#endif
int rb_locale_encindex(void);
int rb_filesystem_encindex(void);
VALUE rb_enc_default_external(void);
@@ -217,21 +281,10 @@ char *rb_enc_path_last_separator(const char *,const char *,rb_encoding*);
char *rb_enc_path_end(const char *,const char *,rb_encoding*);
const char *ruby_enc_find_basename(const char *name, long *baselen, long *alllen, rb_encoding *enc);
const char *ruby_enc_find_extname(const char *name, long *len, rb_encoding *enc);
+ID rb_check_id_cstr(const char *ptr, long len, rb_encoding *enc);
+VALUE rb_check_symbol_cstr(const char *ptr, long len, rb_encoding *enc);
RUBY_EXTERN VALUE rb_cEncoding;
-#define ENC_DUMMY_FLAG (1<<24)
-#define ENC_INDEX_MASK (~(~0U<<24))
-
-#define ENC_TO_ENCINDEX(enc) (int)((enc)->ruby_encoding_index & ENC_INDEX_MASK)
-
-#define ENC_DUMMY_P(enc) ((enc)->ruby_encoding_index & ENC_DUMMY_FLAG)
-#define ENC_SET_DUMMY(enc) ((enc)->ruby_encoding_index |= ENC_DUMMY_FLAG)
-
-static inline int
-rb_enc_dummy_p(rb_encoding *enc)
-{
- return ENC_DUMMY_P(enc) != 0;
-}
/* econv stuff */
@@ -295,50 +348,70 @@ VALUE rb_econv_str_convert(rb_econv_t *ec, VALUE src, int flags);
VALUE rb_econv_substr_convert(rb_econv_t *ec, VALUE src, long byteoff, long bytesize, int flags);
VALUE rb_econv_str_append(rb_econv_t *ec, VALUE src, VALUE dst, int flags);
VALUE rb_econv_substr_append(rb_econv_t *ec, VALUE src, long byteoff, long bytesize, VALUE dst, int flags);
+VALUE rb_econv_append(rb_econv_t *ec, const char *bytesrc, long bytesize, VALUE dst, int flags);
void rb_econv_binmode(rb_econv_t *ec);
+enum ruby_econv_flag_type {
/* flags for rb_econv_open */
+ RUBY_ECONV_ERROR_HANDLER_MASK = 0x000000ff,
-#define ECONV_ERROR_HANDLER_MASK 0x000000ff
+ RUBY_ECONV_INVALID_MASK = 0x0000000f,
+ RUBY_ECONV_INVALID_REPLACE = 0x00000002,
-#define ECONV_INVALID_MASK 0x0000000f
-#define ECONV_INVALID_REPLACE 0x00000002
+ RUBY_ECONV_UNDEF_MASK = 0x000000f0,
+ RUBY_ECONV_UNDEF_REPLACE = 0x00000020,
+ RUBY_ECONV_UNDEF_HEX_CHARREF = 0x00000030,
-#define ECONV_UNDEF_MASK 0x000000f0
-#define ECONV_UNDEF_REPLACE 0x00000020
-#define ECONV_UNDEF_HEX_CHARREF 0x00000030
+ RUBY_ECONV_DECORATOR_MASK = 0x0000ff00,
+ RUBY_ECONV_NEWLINE_DECORATOR_MASK = 0x00003f00,
+ RUBY_ECONV_NEWLINE_DECORATOR_READ_MASK = 0x00000f00,
+ RUBY_ECONV_NEWLINE_DECORATOR_WRITE_MASK = 0x00003000,
-#define ECONV_DECORATOR_MASK 0x0000ff00
-#define ECONV_NEWLINE_DECORATOR_MASK 0x00003f00
-#define ECONV_NEWLINE_DECORATOR_READ_MASK 0x00000f00
-#define ECONV_NEWLINE_DECORATOR_WRITE_MASK 0x00003000
+ RUBY_ECONV_UNIVERSAL_NEWLINE_DECORATOR = 0x00000100,
+ RUBY_ECONV_CRLF_NEWLINE_DECORATOR = 0x00001000,
+ RUBY_ECONV_CR_NEWLINE_DECORATOR = 0x00002000,
+ RUBY_ECONV_XML_TEXT_DECORATOR = 0x00004000,
+ RUBY_ECONV_XML_ATTR_CONTENT_DECORATOR = 0x00008000,
-#define ECONV_UNIVERSAL_NEWLINE_DECORATOR 0x00000100
-#define ECONV_CRLF_NEWLINE_DECORATOR 0x00001000
-#define ECONV_CR_NEWLINE_DECORATOR 0x00002000
-#define ECONV_XML_TEXT_DECORATOR 0x00004000
-#define ECONV_XML_ATTR_CONTENT_DECORATOR 0x00008000
-
-#define ECONV_STATEFUL_DECORATOR_MASK 0x00f00000
-#define ECONV_XML_ATTR_QUOTE_DECORATOR 0x00100000
+ RUBY_ECONV_STATEFUL_DECORATOR_MASK = 0x00f00000,
+ RUBY_ECONV_XML_ATTR_QUOTE_DECORATOR = 0x00100000,
+ RUBY_ECONV_DEFAULT_NEWLINE_DECORATOR =
#if defined(RUBY_TEST_CRLF_ENVIRONMENT) || defined(_WIN32)
-#define ECONV_DEFAULT_NEWLINE_DECORATOR ECONV_CRLF_NEWLINE_DECORATOR
+ RUBY_ECONV_CRLF_NEWLINE_DECORATOR,
#else
-#define ECONV_DEFAULT_NEWLINE_DECORATOR 0
+ 0,
#endif
-
+#define ECONV_ERROR_HANDLER_MASK RUBY_ECONV_ERROR_HANDLER_MASK
+#define ECONV_INVALID_MASK RUBY_ECONV_INVALID_MASK
+#define ECONV_INVALID_REPLACE RUBY_ECONV_INVALID_REPLACE
+#define ECONV_UNDEF_MASK RUBY_ECONV_UNDEF_MASK
+#define ECONV_UNDEF_REPLACE RUBY_ECONV_UNDEF_REPLACE
+#define ECONV_UNDEF_HEX_CHARREF RUBY_ECONV_UNDEF_HEX_CHARREF
+#define ECONV_DECORATOR_MASK RUBY_ECONV_DECORATOR_MASK
+#define ECONV_NEWLINE_DECORATOR_MASK RUBY_ECONV_NEWLINE_DECORATOR_MASK
+#define ECONV_NEWLINE_DECORATOR_READ_MASK RUBY_ECONV_NEWLINE_DECORATOR_READ_MASK
+#define ECONV_NEWLINE_DECORATOR_WRITE_MASK RUBY_ECONV_NEWLINE_DECORATOR_WRITE_MASK
+#define ECONV_UNIVERSAL_NEWLINE_DECORATOR RUBY_ECONV_UNIVERSAL_NEWLINE_DECORATOR
+#define ECONV_CRLF_NEWLINE_DECORATOR RUBY_ECONV_CRLF_NEWLINE_DECORATOR
+#define ECONV_CR_NEWLINE_DECORATOR RUBY_ECONV_CR_NEWLINE_DECORATOR
+#define ECONV_XML_TEXT_DECORATOR RUBY_ECONV_XML_TEXT_DECORATOR
+#define ECONV_XML_ATTR_CONTENT_DECORATOR RUBY_ECONV_XML_ATTR_CONTENT_DECORATOR
+#define ECONV_STATEFUL_DECORATOR_MASK RUBY_ECONV_STATEFUL_DECORATOR_MASK
+#define ECONV_XML_ATTR_QUOTE_DECORATOR RUBY_ECONV_XML_ATTR_QUOTE_DECORATOR
+#define ECONV_DEFAULT_NEWLINE_DECORATOR RUBY_ECONV_DEFAULT_NEWLINE_DECORATOR
/* end of flags for rb_econv_open */
/* flags for rb_econv_convert */
-#define ECONV_PARTIAL_INPUT 0x00010000
-#define ECONV_AFTER_OUTPUT 0x00020000
+ RUBY_ECONV_PARTIAL_INPUT = 0x00010000,
+ RUBY_ECONV_AFTER_OUTPUT = 0x00020000,
+#define ECONV_PARTIAL_INPUT RUBY_ECONV_PARTIAL_INPUT
+#define ECONV_AFTER_OUTPUT RUBY_ECONV_AFTER_OUTPUT
/* end of flags for rb_econv_convert */
+RUBY_ECONV_FLAGS_PLACEHOLDER};
-#if defined __GNUC__ && __GNUC__ >= 4
-#pragma GCC visibility pop
-#endif
+RUBY_SYMBOL_EXPORT_END
#if defined(__cplusplus)
#if 0