#ifndef RBIMPL_VARIABLE_H /*-*-C++-*-vi:se ft=cpp:*/
#define RBIMPL_VARIABLE_H
/**
* @file
* @author Ruby developers <ruby-core@ruby-lang.org>
* @copyright This file is a part of the programming language Ruby.
* Permission is hereby granted, to either redistribute and/or
* modify this file, provided that the conditions mentioned in the
* file COPYING are met. Consult the file for details.
* @warning Symbols prefixed with either `RBIMPL` or `rbimpl` are
* implementation details. Don't take them as canon. They could
* rapidly appear then vanish. The name (path) of this header file
* is also an implementation detail. Do not expect it to persist
* at the place it is now. Developers are free to move it anywhere
* anytime at will.
* @note To ruby-core: remember that this header can be possibly
* recursively included from extension libraries written in C++.
* Do not expect for instance `__VA_ARGS__` is always available.
* We assume C99 for ruby itself but we don't assume languages of
* extension libraries. They could be written in C++98.
* @brief C-function backended Ruby-global variables.
*/
#include "ruby/internal/dllexport.h"
#include "ruby/internal/value.h"
#include "ruby/internal/attr/noreturn.h"
RBIMPL_SYMBOL_EXPORT_BEGIN()
typedef VALUE rb_gvar_getter_t(ID id, VALUE *data);
typedef void rb_gvar_setter_t(VALUE val, ID id, VALUE *data);
typedef void rb_gvar_marker_t(VALUE *var);
rb_gvar_getter_t rb_gvar_undef_getter;
rb_gvar_setter_t rb_gvar_undef_setter;
rb_gvar_marker_t rb_gvar_undef_marker;
rb_gvar_getter_t rb_gvar_val_getter;
rb_gvar_setter_t rb_gvar_val_setter;
rb_gvar_marker_t rb_gvar_val_marker;
rb_gvar_getter_t rb_gvar_var_getter;
rb_gvar_setter_t rb_gvar_var_setter;
rb_gvar_marker_t rb_gvar_var_marker;
RBIMPL_ATTR_NORETURN()
rb_gvar_setter_t rb_gvar_readonly_setter;
void rb_define_variable(const char*,VALUE*);
void rb_define_virtual_variable(const char*,rb_gvar_getter_t*,rb_gvar_setter_t*);
void rb_define_hooked_variable(const char*,VALUE*,rb_gvar_getter_t*,rb_gvar_setter_t*);
void rb_define_readonly_variable(const char*,const VALUE*);
void rb_define_const(VALUE,const char*,VALUE);
void rb_define_global_const(const char*,VALUE);
VALUE rb_gv_set(const char*, VALUE);
VALUE rb_gv_get(const char*);
VALUE rb_iv_get(VALUE, const char*);
VALUE rb_iv_set(VALUE, const char*, VALUE);
RBIMPL_SYMBOL_EXPORT_END()
#endif /* RBIMPL_VARIABLE_H */
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