text: /*
  ** mruby/variable.h - mruby variables
  **
  ** See Copyright Notice in mruby.h
  */
  
  #ifndef MRUBY_VARIABLE_H
  #define MRUBY_VARIABLE_H
  
  #if defined(__cplusplus)
  extern "C" {
  #endif
  
  typedef struct global_variable {
    int   counter;
    mrb_value *data;
    mrb_value (*getter)(void);
    void  (*setter)(void);
    /* void  (*marker)(); */
    /* int block_trace; */
    /* struct trace_var *trace; */
  } global_variable;
  
  struct global_entry {
    global_variable *var;
    mrb_sym id;
  };
  
  mrb_value mrb_vm_special_get(mrb_state*, mrb_sym);
  void mrb_vm_special_set(mrb_state*, mrb_sym, mrb_value);
  mrb_value mrb_vm_iv_get(mrb_state*, mrb_sym);
  void mrb_vm_iv_set(mrb_state*, mrb_sym, mrb_value);
  mrb_value mrb_vm_cv_get(mrb_state*, mrb_sym);
  void mrb_vm_cv_set(mrb_state*, mrb_sym, mrb_value);
  mrb_value mrb_vm_const_get(mrb_state*, mrb_sym);
  void mrb_vm_const_set(mrb_state*, mrb_sym, mrb_value);
  MRB_API mrb_value mrb_const_get(mrb_state*, mrb_value, mrb_sym);
  MRB_API void mrb_const_set(mrb_state*, mrb_value, mrb_sym, mrb_value);
  MRB_API mrb_bool mrb_const_defined(mrb_state*, mrb_value, mrb_sym);
  MRB_API void mrb_const_remove(mrb_state*, mrb_value, mrb_sym);
  
  MRB_API mrb_bool mrb_iv_p(mrb_state *mrb, mrb_sym sym);
  MRB_API void mrb_iv_check(mrb_state *mrb, mrb_sym sym);
  MRB_API mrb_value mrb_obj_iv_get(mrb_state *mrb, struct RObject *obj, mrb_sym sym);
  MRB_API void mrb_obj_iv_set(mrb_state *mrb, struct RObject *obj, mrb_sym sym, mrb_value v);
  MRB_API mrb_bool mrb_obj_iv_defined(mrb_state *mrb, struct RObject *obj, mrb_sym sym);
  MRB_API void mrb_obj_iv_ifnone(mrb_state *mrb, struct RObject *obj, mrb_sym sym, mrb_value v);
  MRB_API mrb_value mrb_iv_get(mrb_state *mrb, mrb_value obj, mrb_sym sym);
  MRB_API void mrb_iv_set(mrb_state *mrb, mrb_value obj, mrb_sym sym, mrb_value v);
  MRB_API mrb_bool mrb_iv_defined(mrb_state*, mrb_value, mrb_sym);
  MRB_API mrb_value mrb_iv_remove(mrb_state *mrb, mrb_value obj, mrb_sym sym);
  MRB_API void mrb_iv_copy(mrb_state *mrb, mrb_value dst, mrb_value src);
  MRB_API mrb_bool mrb_const_defined_at(mrb_state *mrb, mrb_value mod, mrb_sym id);
  MRB_API mrb_value mrb_gv_get(mrb_state *mrb, mrb_sym sym);
  MRB_API void mrb_gv_set(mrb_state *mrb, mrb_sym sym, mrb_value val);
  MRB_API void mrb_gv_remove(mrb_state *mrb, mrb_sym sym);
  MRB_API mrb_value mrb_cv_get(mrb_state *mrb, mrb_value mod, mrb_sym sym);
  MRB_API void mrb_mod_cv_set(mrb_state *mrb, struct RClass * c, mrb_sym sym, mrb_value v);
  MRB_API void mrb_cv_set(mrb_state *mrb, mrb_value mod, mrb_sym sym, mrb_value v);
  MRB_API mrb_bool mrb_cv_defined(mrb_state *mrb, mrb_value mod, mrb_sym sym);
  mrb_value mrb_obj_iv_inspect(mrb_state*, struct RObject*);
  mrb_value mrb_mod_constants(mrb_state *mrb, mrb_value mod);
  mrb_value mrb_f_global_variables(mrb_state *mrb, mrb_value self);
  mrb_value mrb_obj_instance_variables(mrb_state*, mrb_value);
  mrb_value mrb_mod_class_variables(mrb_state*, mrb_value);
  mrb_value mrb_mod_cv_get(mrb_state *mrb, struct RClass * c, mrb_sym sym);
  mrb_bool mrb_mod_cv_defined(mrb_state *mrb, struct RClass * c, mrb_sym sym);
  mrb_sym mrb_class_sym(mrb_state *mrb, struct RClass *c, struct RClass *outer);
  
  /* GC functions */
  void mrb_gc_mark_gv(mrb_state*);
  void mrb_gc_free_gv(mrb_state*);
  void mrb_gc_mark_iv(mrb_state*, struct RObject*);
  size_t mrb_gc_mark_iv_size(mrb_state*, struct RObject*);
  void mrb_gc_free_iv(mrb_state*, struct RObject*);
  
  #if defined(__cplusplus)
  }  /* extern "C" { */
  #endif
  
  #endif  /* MRUBY_VARIABLE_H */
  