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
|
#include "mruby.h"
#include "mruby/khash.h"
#include "mruby/array.h"
typedef struct symbol_name {
size_t len;
const char *name;
} symbol_name;
KHASH_DECLARE(n2s, symbol_name, mrb_sym, 1)
/*
* call-seq:
* Symbol.all_symbols => array
*
* Returns an array of all the symbols currently in Ruby's symbol
* table.
*
* Symbol.all_symbols.size #=> 903
* Symbol.all_symbols[1,20] #=> [:floor, :ARGV, :Binding, :symlink,
* :chown, :EOFError, :$;, :String,
* :LOCK_SH, :"setuid?", :$<,
* :default_proc, :compact, :extend,
* :Tms, :getwd, :$=, :ThreadGroup,
* :wait2, :$>]
*/
static mrb_value
mrb_sym_all_symbols(mrb_state *mrb, mrb_value self)
{
khiter_t k;
mrb_sym sym;
khash_t(n2s) *h = mrb->name2sym;
mrb_value ary = mrb_ary_new_capa(mrb, kh_size(h));
for (k = kh_begin(h); k != kh_end(h); k++) {
if (kh_exist(h, k)) {
sym = kh_value(h, k);
mrb_ary_push(mrb, ary, mrb_symbol_value(sym));
}
}
return ary;
}
void
mrb_mruby_symbol_ext_gem_init(mrb_state* mrb)
{
struct RClass *s = mrb->symbol_class;
mrb_define_class_method(mrb, s, "all_symbols", mrb_sym_all_symbols, MRB_ARGS_NONE());
}
void
mrb_mruby_symbol_ext_gem_final(mrb_state* mrb)
{
}
|
