mirror of
https://github.com/mruby/mruby
synced 2026-06-08 16:11:16 +00:00
Yukihiro "Matz" Matsumoto
da24af34b9
The change removes several internal instance variables used by class name management. The variables `__classid__` and `__classpath__` are no longer available. `__outer__` is used only for unnamed outer classes/modules (and will be removed after they are named). [Important note] Along with this change we removed several public functions. - mrb_class_outer_module() - mrb_class_sym() We believe no one have used those functions, but if you do, please ask us for the workaround.
140 lines
4.4 KiB
C
140 lines
4.4 KiB
C
/*
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** mruby/variable.h - mruby variables
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**
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** See Copyright Notice in mruby.h
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*/
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#ifndef MRUBY_VARIABLE_H
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#define MRUBY_VARIABLE_H
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#include "common.h"
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/**
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* Functions to access mruby variables.
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*/
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MRB_BEGIN_DECL
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typedef struct global_variable {
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int counter;
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mrb_value *data;
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mrb_value (*getter)(void);
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void (*setter)(void);
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/* void (*marker)(); */
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/* int block_trace; */
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/* struct trace_var *trace; */
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} global_variable;
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struct global_entry {
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global_variable *var;
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mrb_sym id;
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};
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mrb_value mrb_vm_special_get(mrb_state*, mrb_sym);
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void mrb_vm_special_set(mrb_state*, mrb_sym, mrb_value);
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mrb_value mrb_vm_iv_get(mrb_state*, mrb_sym);
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void mrb_vm_iv_set(mrb_state*, mrb_sym, mrb_value);
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mrb_value mrb_vm_cv_get(mrb_state*, mrb_sym);
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void mrb_vm_cv_set(mrb_state*, mrb_sym, mrb_value);
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mrb_value mrb_vm_const_get(mrb_state*, mrb_sym);
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void mrb_vm_const_set(mrb_state*, mrb_sym, mrb_value);
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MRB_API mrb_value mrb_const_get(mrb_state*, mrb_value, mrb_sym);
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MRB_API void mrb_const_set(mrb_state*, mrb_value, mrb_sym, mrb_value);
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MRB_API mrb_bool mrb_const_defined(mrb_state*, mrb_value, mrb_sym);
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MRB_API void mrb_const_remove(mrb_state*, mrb_value, mrb_sym);
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MRB_API mrb_bool mrb_iv_p(mrb_state *mrb, mrb_sym sym);
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MRB_API void mrb_iv_check(mrb_state *mrb, mrb_sym sym);
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MRB_API mrb_value mrb_obj_iv_get(mrb_state *mrb, struct RObject *obj, mrb_sym sym);
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MRB_API void mrb_obj_iv_set(mrb_state *mrb, struct RObject *obj, mrb_sym sym, mrb_value v);
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MRB_API mrb_bool mrb_obj_iv_defined(mrb_state *mrb, struct RObject *obj, mrb_sym sym);
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MRB_API void mrb_obj_iv_ifnone(mrb_state *mrb, struct RObject *obj, mrb_sym sym, mrb_value v);
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MRB_API mrb_value mrb_iv_get(mrb_state *mrb, mrb_value obj, mrb_sym sym);
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MRB_API void mrb_iv_set(mrb_state *mrb, mrb_value obj, mrb_sym sym, mrb_value v);
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MRB_API mrb_bool mrb_iv_defined(mrb_state*, mrb_value, mrb_sym);
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MRB_API mrb_value mrb_iv_remove(mrb_state *mrb, mrb_value obj, mrb_sym sym);
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MRB_API void mrb_iv_copy(mrb_state *mrb, mrb_value dst, mrb_value src);
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MRB_API mrb_bool mrb_const_defined_at(mrb_state *mrb, mrb_value mod, mrb_sym id);
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/**
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* Get a global variable. Will return nil if the var does not exist
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*
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* Example:
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*
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* !!!ruby
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* # Ruby style
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* var = $value
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*
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* !!!c
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* // C style
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* mrb_sym sym = mrb_intern_lit(mrb, "$value");
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* mrb_value var = mrb_gv_get(mrb, sym);
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*
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* @param mrb The mruby state reference
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* @param sym The name of the global variable
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* @return The value of that global variable. May be nil
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*/
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MRB_API mrb_value mrb_gv_get(mrb_state *mrb, mrb_sym sym);
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/**
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* Set a global variable
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*
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* Example:
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*
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* !!!ruby
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* # Ruby style
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* $value = "foo"
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*
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* !!!c
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* // C style
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* mrb_sym sym = mrb_intern_lit(mrb, "$value");
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* mrb_gv_set(mrb, sym, mrb_str_new_lit("foo"));
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*
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* @param mrb The mruby state reference
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* @param sym The name of the global variable
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* @param val The value of the global variable
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*/
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MRB_API void mrb_gv_set(mrb_state *mrb, mrb_sym sym, mrb_value val);
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/**
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* Remove a global variable.
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*
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* Example:
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*
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* !!!ruby
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* # Ruby style
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* $value = nil
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*
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* !!!c
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* // C style
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* mrb_sym sym = mrb_intern_lit(mrb, "$value");
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* mrb_gv_remove(mrb, sym);
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*
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* @param mrb The mruby state reference
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* @param sym The name of the global variable
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* @param val The value of the global variable
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*/
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MRB_API void mrb_gv_remove(mrb_state *mrb, mrb_sym sym);
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MRB_API mrb_value mrb_cv_get(mrb_state *mrb, mrb_value mod, mrb_sym sym);
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MRB_API void mrb_mod_cv_set(mrb_state *mrb, struct RClass * c, mrb_sym sym, mrb_value v);
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MRB_API void mrb_cv_set(mrb_state *mrb, mrb_value mod, mrb_sym sym, mrb_value v);
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MRB_API mrb_bool mrb_cv_defined(mrb_state *mrb, mrb_value mod, mrb_sym sym);
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mrb_value mrb_obj_iv_inspect(mrb_state*, struct RObject*);
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mrb_value mrb_mod_constants(mrb_state *mrb, mrb_value mod);
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mrb_value mrb_f_global_variables(mrb_state *mrb, mrb_value self);
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mrb_value mrb_obj_instance_variables(mrb_state*, mrb_value);
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mrb_value mrb_mod_class_variables(mrb_state*, mrb_value);
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mrb_value mrb_mod_cv_get(mrb_state *mrb, struct RClass * c, mrb_sym sym);
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mrb_bool mrb_mod_cv_defined(mrb_state *mrb, struct RClass * c, mrb_sym sym);
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/* GC functions */
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void mrb_gc_mark_gv(mrb_state*);
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void mrb_gc_free_gv(mrb_state*);
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void mrb_gc_mark_iv(mrb_state*, struct RObject*);
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size_t mrb_gc_mark_iv_size(mrb_state*, struct RObject*);
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void mrb_gc_free_iv(mrb_state*, struct RObject*);
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MRB_END_DECL
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#endif /* MRUBY_VARIABLE_H */
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