Ruby
2.7.1p83(2020-03-31revisiona0c7c23c9cec0d0ffcba012279cd652d28ad5bf3)
symbol.h
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/**********************************************************************
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symbol.h -
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$Author$
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created at: Tue Jul 8 15:49:54 JST 2014
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Copyright (C) 2014 Yukihiro Matsumoto
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**********************************************************************/
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#ifndef RUBY_SYMBOL_H
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#define RUBY_SYMBOL_H 1
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#include "
id.h
"
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#define DYNAMIC_ID_P(id) (!(id&ID_STATIC_SYM)&&id>tLAST_OP_ID)
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#define STATIC_ID2SYM(id) (((VALUE)(id)<<RUBY_SPECIAL_SHIFT)|SYMBOL_FLAG)
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#ifdef HAVE_BUILTIN___BUILTIN_CONSTANT_P
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#define rb_id2sym(id) \
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RB_GNUC_EXTENSION_BLOCK(__builtin_constant_p(id) && !DYNAMIC_ID_P(id) ? \
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STATIC_ID2SYM(id) : rb_id2sym(id))
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#endif
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struct
RSymbol
{
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struct
RBasic
basic
;
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st_index_t
hashval
;
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VALUE
fstr
;
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ID
id
;
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};
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#define RSYMBOL(obj) (R_CAST(RSymbol)(obj))
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#define is_notop_id(id) ((id)>tLAST_OP_ID)
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#define is_local_id(id) (id_type(id)==ID_LOCAL)
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#define is_global_id(id) (id_type(id)==ID_GLOBAL)
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#define is_instance_id(id) (id_type(id)==ID_INSTANCE)
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#define is_attrset_id(id) ((id)==idASET||id_type(id)==ID_ATTRSET)
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#define is_const_id(id) (id_type(id)==ID_CONST)
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#define is_class_id(id) (id_type(id)==ID_CLASS)
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#define is_junk_id(id) (id_type(id)==ID_JUNK)
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static
inline
int
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id_type(
ID
id
)
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{
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if
(
is_notop_id
(
id
)) {
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return
(
int
)(
id
&
ID_SCOPE_MASK
);
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}
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else
{
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return
-1;
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}
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}
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typedef
uint32_t
rb_id_serial_t
;
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static
const
uint32_t
RB_ID_SERIAL_MAX =
/* 256M on LP32 */
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UINT32_MAX
>>
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((
sizeof
(
ID
)-
sizeof
(
rb_id_serial_t
))*
CHAR_BIT
<
RUBY_ID_SCOPE_SHIFT
?
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RUBY_ID_SCOPE_SHIFT
: 0);
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typedef
struct
{
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rb_id_serial_t
last_id
;
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st_table
*
str_sym
;
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VALUE
ids
;
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VALUE
dsymbol_fstr_hash
;
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}
rb_symbols_t
;
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static
inline
rb_id_serial_t
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rb_id_to_serial(
ID
id
)
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{
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if
(
is_notop_id
(
id
)) {
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return
(
rb_id_serial_t
)(
id
>>
ID_SCOPE_SHIFT
);
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}
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else
{
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return
(
rb_id_serial_t
)
id
;
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}
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}
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static
inline
int
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sym_type(
VALUE
sym
)
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{
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ID
id
;
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if
(
STATIC_SYM_P
(
sym
)) {
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id
=
RSHIFT
(
sym
,
RUBY_SPECIAL_SHIFT
);
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if
(
id
<=
tLAST_OP_ID
) {
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return
-1;
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}
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}
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else
{
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id
=
RSYMBOL
(
sym
)->id;
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}
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return
(
int
)(
id
&
ID_SCOPE_MASK
);
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}
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#define is_local_sym(sym) (sym_type(sym)==ID_LOCAL)
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#define is_global_sym(sym) (sym_type(sym)==ID_GLOBAL)
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#define is_instance_sym(sym) (sym_type(sym)==ID_INSTANCE)
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#define is_attrset_sym(sym) (sym_type(sym)==ID_ATTRSET)
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#define is_const_sym(sym) (sym_type(sym)==ID_CONST)
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#define is_class_sym(sym) (sym_type(sym)==ID_CLASS)
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#define is_junk_sym(sym) (sym_type(sym)==ID_JUNK)
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RUBY_FUNC_EXPORTED
const
unsigned
int
ruby_global_name_punct_bits
[(0x7e - 0x20 + 31) / 32];
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static
inline
int
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is_global_name_punct(
const
int
c)
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{
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if
(c <= 0x20 || 0x7e < c)
return
0;
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return
(
ruby_global_name_punct_bits
[(c - 0x20) / 32] >> (c % 32)) & 1;
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}
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int
rb_enc_symname_type
(
const
char
*
name
,
long
len
,
rb_encoding
*enc,
unsigned
int
allowed_attrset);
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RUBY_SYMBOL_EXPORT_BEGIN
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size_t
rb_sym_immortal_count
(
void
);
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RUBY_SYMBOL_EXPORT_END
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#endif
rb_sym_immortal_count
RUBY_SYMBOL_EXPORT_BEGIN size_t rb_sym_immortal_count(void)
Definition:
symbol.c:848
ID
unsigned long ID
Definition:
ruby.h:103
RUBY_SYMBOL_EXPORT_END
#define RUBY_SYMBOL_EXPORT_END
Definition:
missing.h:49
STATIC_SYM_P
#define STATIC_SYM_P(x)
Definition:
ruby.h:411
id
const int id
Definition:
nkf.c:209
RSymbol::hashval
st_index_t hashval
Definition:
symbol.h:28
RSHIFT
#define RSHIFT(x, y)
Definition:
rb_mjit_min_header-2.7.1.h:408
rb_symbols_t::str_sym
st_table * str_sym
Definition:
symbol.h:63
RUBY_SPECIAL_SHIFT
@ RUBY_SPECIAL_SHIFT
Definition:
ruby.h:460
VALUE
unsigned long VALUE
Definition:
ruby.h:102
rb_id_serial_t
uint32_t rb_id_serial_t
Definition:
symbol.h:55
rb_symbols_t::ids
VALUE ids
Definition:
symbol.h:64
id.h
ID_SCOPE_MASK
#define ID_SCOPE_MASK
Definition:
id.h:32
RSYMBOL
#define RSYMBOL(obj)
Definition:
symbol.h:33
tLAST_OP_ID
@ tLAST_OP_ID
Definition:
id.h:286
CHAR_BIT
#define CHAR_BIT
Definition:
ruby.h:227
ruby_global_name_punct_bits
const RUBY_FUNC_EXPORTED unsigned int ruby_global_name_punct_bits[(0x7e - 0x20+31)/32]
Definition:
symbol.h:103
rb_symbols_t::dsymbol_fstr_hash
VALUE dsymbol_fstr_hash
Definition:
symbol.h:65
uint32_t
unsigned int uint32_t
Definition:
sha2.h:101
RSymbol::basic
struct RBasic basic
Definition:
symbol.h:27
RUBY_FUNC_EXPORTED
#define RUBY_FUNC_EXPORTED
Definition:
defines.h:391
RSymbol::id
ID id
Definition:
symbol.h:30
rb_encoding
const typedef OnigEncodingType rb_encoding
Definition:
encoding.h:115
rb_enc_symname_type
int rb_enc_symname_type(const char *name, long len, rb_encoding *enc, unsigned int allowed_attrset)
Definition:
symbol.c:233
sym
#define sym(x)
Definition:
date_core.c:3716
st_index_t
st_data_t st_index_t
Definition:
st.h:50
ID_SCOPE_SHIFT
#define ID_SCOPE_SHIFT
Definition:
id.h:31
RUBY_SYMBOL_EXPORT_BEGIN
#define RUBY_SYMBOL_EXPORT_BEGIN
Definition:
missing.h:48
RSymbol
Definition:
symbol.h:26
RUBY_ID_SCOPE_SHIFT
@ RUBY_ID_SCOPE_SHIFT
Definition:
id.h:35
UINT32_MAX
#define UINT32_MAX
Definition:
rb_mjit_min_header-2.7.1.h:2918
is_notop_id
#define is_notop_id(id)
Definition:
symbol.h:35
len
uint8_t len
Definition:
escape.c:17
rb_symbols_t
Definition:
symbol.h:61
rb_symbols_t::last_id
rb_id_serial_t last_id
Definition:
symbol.h:62
st_table
Definition:
st.h:79
RSymbol::fstr
VALUE fstr
Definition:
symbol.h:29
name
const char * name
Definition:
nkf.c:208
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