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mruby/include/mruby/variable.h at master · asfluido/mruby · GitHub
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/*
** mruby/variable.h - mruby variables
**
** See Copyright Notice in mruby.h
*/
#ifndef
MRUBY_VARIABLE_H
#define
MRUBY_VARIABLE_H
#include
"common.h"
/**
* Functions to access mruby variables.
*/
MRB_BEGIN_DECL
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_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_name_sym_p
(
mrb_state
*
mrb
,
mrb_sym
sym
);
MRB_API
void
mrb_iv_name_sym_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
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
);
/**
* Get a global variable. Will return nil if the var does not exist
*
* Example:
*
* !!!ruby
* # Ruby style
* var = $value
*
* !!!c
* // C style
* mrb_sym sym = mrb_intern_lit(mrb, "$value");
* mrb_value var = mrb_gv_get(mrb, sym);
*
* @param mrb The mruby state reference
* @param sym The name of the global variable
* @return The value of that global variable. May be nil
*/
MRB_API
mrb_value
mrb_gv_get
(
mrb_state
*
mrb
,
mrb_sym
sym
);
/**
* Set a global variable
*
* Example:
*
* !!!ruby
* # Ruby style
* $value = "foo"
*
* !!!c
* // C style
* mrb_sym sym = mrb_intern_lit(mrb, "$value");
* mrb_gv_set(mrb, sym, mrb_str_new_lit("foo"));
*
* @param mrb The mruby state reference
* @param sym The name of the global variable
* @param val The value of the global variable
*/
MRB_API
void
mrb_gv_set
(
mrb_state
*
mrb
,
mrb_sym
sym
,
mrb_value
val
);
/**
* Remove a global variable.
*
* Example:
*
* !!!ruby
* # Ruby style
* $value = nil
*
* !!!c
* // C style
* mrb_sym sym = mrb_intern_lit(mrb, "$value");
* mrb_gv_remove(mrb, sym);
*
* @param mrb The mruby state reference
* @param sym The name of the global variable
* @param val The value of the global variable
*/
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
);
/* 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
*
);
MRB_END_DECL
#endif
/* MRUBY_VARIABLE_H */
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