mirror of
https://github.com/mruby/mruby
synced 2026-06-08 16:11:16 +00:00
Yukihiro "Matz" Matsumoto
b99c389ec3
Internal functions can only be called from within the library. Functions listed in `mruby/internal.h` can be called from: * core (src/*.c) * gems (mrbgems/**/*.c) But not from the application linked with `libmruby`.
77 lines
2.0 KiB
C
77 lines
2.0 KiB
C
#include <mruby.h>
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#include <mruby/array.h>
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#include <mruby/string.h>
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#include <mruby/internal.h>
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#ifdef MRB_USE_ALL_SYMBOLS
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# include <mruby/presym.h>
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#endif
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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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#ifdef MRB_USE_ALL_SYMBOLS
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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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mrb_sym i, lim;
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mrb_value ary = mrb_ary_new_capa(mrb, mrb->symidx);
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for (i=1; i<=MRB_PRESYM_MAX; i++) {
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mrb_ary_push(mrb, ary, mrb_symbol_value(i));
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}
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for (i=1, lim=mrb->symidx+1; i<lim; i++) {
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mrb_ary_push(mrb, ary, mrb_symbol_value(i+MRB_PRESYM_MAX));
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}
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return ary;
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}
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#endif
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/*
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* call-seq:
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* sym.length -> integer
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*
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* Same as <code>sym.to_s.length</code>.
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*/
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static mrb_value
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mrb_sym_length(mrb_state *mrb, mrb_value self)
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{
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mrb_int len;
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#ifdef MRB_UTF8_STRING
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mrb_int byte_len;
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const char *name = mrb_sym_name_len(mrb, mrb_symbol(self), &byte_len);
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len = mrb_utf8_strlen(name, byte_len);
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#else
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mrb_sym_name_len(mrb, mrb_symbol(self), &len);
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#endif
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return mrb_fixnum_value(len);
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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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#ifdef MRB_USE_ALL_SYMBOLS
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mrb_define_class_method(mrb, s, "all_symbols", mrb_sym_all_symbols, MRB_ARGS_NONE());
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#endif
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mrb_define_method(mrb, s, "length", mrb_sym_length, MRB_ARGS_NONE());
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mrb_define_method(mrb, s, "size", mrb_sym_length, 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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