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Added documentation on function for globals

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This commit is contained in:
Herwin Weststrate
2016-11-27 09:50:30 +01:00
parent 72915cab52
commit afee618c1b
1 changed files with 58 additions and 0 deletions
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include/mruby/variable.h
+58
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@@ -54,9 +54,67 @@ 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 = $value
*
* !!!c
* // C style
* mrb_sym sym = mrb_intern_cstr(mrb, "$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
* $value = "foo"
*
* !!!c
* // C style
* mrb_sym sym = mrb_intern_cstr(mrb, "$value");
* mrb_gv_set(mrb, sym, mrb_str_new_cstr("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
* $value = nil
*
* !!!c
* // C style
* mrb_sym sym = mrb_intern_cstr(mrb, "$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);