mirror of
https://github.com/mruby/mruby
synced 2026-06-08 16:11:16 +00:00
ksss
56 lines
1.4 KiB
C
56 lines
1.4 KiB
C
#include "mruby.h"
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#include "mruby/khash.h"
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#include "mruby/array.h"
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typedef struct symbol_name {
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size_t len;
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const char *name;
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} symbol_name;
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KHASH_DECLARE(n2s, symbol_name, mrb_sym, TRUE)
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/*
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* call-seq:
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* Symbol.all_symbols => array
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*
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* Returns an array of all the symbols currently in Ruby's symbol
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* table.
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*
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* Symbol.all_symbols.size #=> 903
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* Symbol.all_symbols[1,20] #=> [:floor, :ARGV, :Binding, :symlink,
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* :chown, :EOFError, :$;, :String,
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* :LOCK_SH, :"setuid?", :$<,
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* :default_proc, :compact, :extend,
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* :Tms, :getwd, :$=, :ThreadGroup,
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* :wait2, :$>]
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*/
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static mrb_value
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mrb_sym_all_symbols(mrb_state *mrb, mrb_value self)
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{
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khiter_t k;
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mrb_sym sym;
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khash_t(n2s) *h = mrb->name2sym;
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mrb_value ary = mrb_ary_new_capa(mrb, kh_size(h));
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for (k = kh_begin(h); k != kh_end(h); k++) {
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if (kh_exist(h, k)) {
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sym = kh_value(h, k);
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mrb_ary_push(mrb, ary, mrb_symbol_value(sym));
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}
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}
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return ary;
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}
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void
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mrb_mruby_symbol_ext_gem_init(mrb_state* mrb)
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{
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struct RClass *s = mrb->symbol_class;
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mrb_define_class_method(mrb, s, "all_symbols", mrb_sym_all_symbols, MRB_ARGS_NONE());
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}
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void
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mrb_mruby_symbol_ext_gem_final(mrb_state* mrb)
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{
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}
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