namespace.h

#ifndef INTERNAL_NAMESPACE_H                                  /*-*-C-*-vi:se ft=c:*/
#define INTERNAL_NAMESPACE_H
 
#include "ruby/ruby.h"          /* for VALUE */
 
struct rb_namespace_struct {
    /*
     * To retrieve Namespace object that provides #require and so on.
     * That is used from load.c, etc., that uses rb_namespace_t internally.
     */
    VALUE ns_object;
    long ns_id; // namespace id to generate ext filenames
 
    VALUE top_self;
 
    VALUE load_path;
    VALUE load_path_snapshot;
    VALUE load_path_check_cache;
    VALUE expanded_load_path;
    VALUE loaded_features;
    VALUE loaded_features_snapshot;
    VALUE loaded_features_realpaths;
    VALUE loaded_features_realpath_map;
    struct st_table *loaded_features_index;
    struct st_table *loading_table;
    VALUE ruby_dln_libmap;
 
    VALUE gvar_tbl;
 
    bool is_user;
    bool is_optional;
};
typedef struct rb_namespace_struct rb_namespace_t;
 
#define NAMESPACE_OBJ_P(obj) (rb_obj_class(obj) == rb_cNamespace)
 
#define NAMESPACE_ROOT_P(ns) (ns && !ns->is_user)
#define NAMESPACE_USER_P(ns) (ns && ns->is_user)
#define NAMESPACE_OPTIONAL_P(ns) (ns && ns->is_optional)
#define NAMESPACE_MAIN_P(ns) (ns && ns->is_user && !ns->is_optional)
 
#define NAMESPACE_METHOD_DEFINITION(mdef) (mdef ? mdef->ns : NULL)
#define NAMESPACE_METHOD_ENTRY(me) (me ? NAMESPACE_METHOD_DEFINITION(me->def) : NULL)
#define NAMESPACE_CC(cc) (cc ? NAMESPACE_METHOD_ENTRY(cc->cme_) : NULL)
#define NAMESPACE_CC_ENTRIES(ccs) (ccs ? NAMESPACE_METHOD_ENTRY(ccs->cme) : NULL)
 
RUBY_EXTERN bool ruby_namespace_enabled;
RUBY_EXTERN bool ruby_namespace_init_done;
 
static inline bool
rb_namespace_available(void)
{
    return ruby_namespace_enabled;
}
 
const rb_namespace_t * rb_root_namespace(void);
const rb_namespace_t * rb_main_namespace(void);
const rb_namespace_t * rb_current_namespace(void);
const rb_namespace_t * rb_loading_namespace(void);
 
void rb_namespace_entry_mark(void *);
void rb_namespace_gc_update_references(void *ptr);
 
rb_namespace_t * rb_get_namespace_t(VALUE ns);
VALUE rb_get_namespace_object(rb_namespace_t *ns);
 
VALUE rb_namespace_local_extension(VALUE namespace, VALUE fname, VALUE path);
 
void rb_initialize_main_namespace(void);
void rb_namespace_init_done(void);
#endif /* INTERNAL_NAMESPACE_H */