1#include "ruby.h" 2 3#ifdef HAVE_RB_IS_CONST_NAME 4# define get_symbol_type(type, t, name) do { \ 5 ID id = rb_check_id(&name); \ 6 t = (id ? rb_is_##type##_id(id) : rb_is_##type##_name(name)); \ 7 } while (0) 8#else 9# define get_symbol_type(type, t, name) do { \ 10 t = rb_is_##type##_id(rb_to_id(name)); \ 11 } while (0) 12#endif 13 14#define define_symbol_type_p(type) \ 15static VALUE \ 16bug_sym_##type##_p(VALUE self, VALUE name) \ 17{ \ 18 int t; \ 19 get_symbol_type(type, t, name); \ 20 return (t ? Qtrue : Qfalse); \ 21} 22 23#define declare_symbol_type_p(type) \ 24 rb_define_singleton_method(klass, #type"?", bug_sym_##type##_p, 1); 25 26#define FOREACH_ID_TYPES(x) x(const) x(class) x(global) x(instance) x(attrset) x(local) x(junk) 27 28FOREACH_ID_TYPES(define_symbol_type_p) 29 30static VALUE 31bug_sym_attrset(VALUE self, VALUE name) 32{ 33 ID id = rb_to_id(name); 34 id = rb_id_attrset(id); 35 return ID2SYM(id); 36} 37 38void 39Init_type(VALUE klass) 40{ 41 FOREACH_ID_TYPES(declare_symbol_type_p); 42 rb_define_singleton_method(klass, "attrset", bug_sym_attrset, 1); 43} 44