diff options
Diffstat (limited to 'object.c')
| -rw-r--r-- | object.c | 59 |
1 files changed, 59 insertions, 0 deletions
@@ -2038,6 +2038,63 @@ rb_obj_ivar_set(obj, iv, val) return rb_ivar_set(obj, id, val); } +/* + * call-seq: + * mod.class_variable_get(symbol) => obj + * + * Returns the value of the given class variable (or throws a + * <code>NameError</code> exception). The <code>@@</code> part of the + * variable name should be included for regular class variables + * + * class Fred + * @@foo = 99 + * end + * Fred.class_variable_get(:@foo) #=> 99 + */ + +static VALUE +rb_mod_cvar_get(obj, iv) + VALUE obj, iv; +{ + ID id = rb_to_id(iv); + + if (!rb_is_class_id(id)) { + rb_name_error(id, "`%s' is not allowed as an class variable name", rb_id2name(id)); + } + return rb_cvar_get(obj, id); +} + + +/* + * call-seq: + * obj.class_variable_set(symbol, obj) => obj + * + * Sets the class variable names by <i>symbol</i> to + * <i>object</i>. + * + * class Fred + * @@foo = 99 + * def foo + * @@foo + * end + * end + * Fred.class_variable_set(:@foo, 101) #=> 101 + * Fred.new.foo #=> 101 + */ + +static VALUE +rb_mod_cvar_set(obj, iv, val) + VALUE obj, iv, val; +{ + ID id = rb_to_id(iv); + + if (!rb_is_class_id(id)) { + rb_name_error(id, "`%s' is not allowed as an class variable name", rb_id2name(id)); + } + rb_cvar_set(obj, id, val, Qfalse); + return val; +} + static VALUE convert_type(val, tname, method, raise) VALUE val; @@ -2668,6 +2725,8 @@ Init_Object() rb_mod_class_variables, 0); /* in variable.c */ rb_define_private_method(rb_cModule, "remove_class_variable", rb_mod_remove_cvar, 1); /* in variable.c */ + rb_define_private_method(rb_cModule, "class_variable_get", rb_mod_cvar_get, 1); + rb_define_private_method(rb_cModule, "class_variable_set", rb_mod_cvar_set, 2); rb_define_method(rb_cClass, "allocate", rb_obj_alloc, 0); rb_define_method(rb_cClass, "new", rb_class_new_instance, -1); |