1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
|
#include "ruby.h"
#ifdef HAVE_RB_IS_CONST_NAME
# define get_symbol_type(type, t, name) do { \
ID id = rb_check_id(&name); \
t = (id ? rb_is_##type##_id(id) : rb_is_##type##_name(name)); \
} while (0)
#else
# define get_symbol_type(type, t, name) do { \
t = rb_is_##type##_id(rb_to_id(name)); \
} while (0)
#endif
#define define_symbol_type_p(type) \
static VALUE \
bug_sym_##type##_p(VALUE self, VALUE name) \
{ \
int t; \
get_symbol_type(type, t, name); \
return (t ? Qtrue : Qfalse); \
}
#define declare_symbol_type_p(type) \
rb_define_singleton_method(klass, #type"?", bug_sym_##type##_p, 1);
#define FOREACH_ID_TYPES(x) x(const) x(class) x(global) x(instance) x(attrset) x(local) x(junk)
FOREACH_ID_TYPES(define_symbol_type_p)
static VALUE
bug_sym_attrset(VALUE self, VALUE name)
{
ID id = rb_to_id(name);
id = rb_id_attrset(id);
return ID2SYM(id);
}
static VALUE
bug_id2str(VALUE self, VALUE sym)
{
return rb_sym2str(sym);
}
static VALUE
bug_static_p(VALUE self, VALUE sym)
{
return STATIC_SYM_P(sym) ? Qtrue : Qfalse;
}
static VALUE
bug_dynamic_p(VALUE self, VALUE sym)
{
return DYNAMIC_SYM_P(sym) ? Qtrue : Qfalse;
}
#ifdef HAVE_RB_PIN_DYNAMIC_SYMBOL
ID rb_pin_dynamic_symbol(VALUE);
static VALUE
bug_pindown(VALUE self, VALUE sym)
{
rb_pin_dynamic_symbol(sym);
return sym;
}
#endif
void
Init_type(VALUE klass)
{
FOREACH_ID_TYPES(declare_symbol_type_p);
rb_define_singleton_method(klass, "attrset", bug_sym_attrset, 1);
rb_define_singleton_method(klass, "id2str", bug_id2str, 1);
rb_define_singleton_method(klass, "static?", bug_static_p, 1);
rb_define_singleton_method(klass, "dynamic?", bug_dynamic_p, 1);
#ifdef HAVE_RB_PIN_DYNAMIC_SYMBOL
rb_define_singleton_method(klass, "pindown", bug_pindown, 1);
#endif
}
|
