Raised when a given name is invalid or undefined.
puts foo
raises the exception:
NameError: undefined local variable or method `foo' for main:Object
Since constant names must start with a capital:
Fixnum.const_set :answer, 42
raises the exception:
NameError: wrong constant name answer
Construct a new NameError exception. If given the name parameter may subsequently be examined using the NameError.name method.
static VALUE
name_err_initialize(int argc, VALUE *argv, VALUE self)
{
VALUE name;
name = (argc > 1) ? argv[--argc] : Qnil;
rb_call_super(argc, argv);
rb_iv_set(self, "name", name);
return self;
}
Return the name associated with this NameError exception.
static VALUE
name_err_name(VALUE self)
{
return rb_attr_get(self, rb_intern("name"));
}
Produce a nicely-formatted string representing the NameError.
static VALUE
name_err_to_s(VALUE exc)
{
VALUE mesg = rb_attr_get(exc, rb_intern("mesg"));
VALUE str = mesg;
if (NIL_P(mesg)) return rb_class_name(CLASS_OF(exc));
StringValue(str);
if (str != mesg) {
rb_iv_set(exc, "mesg", mesg = str);
}
if (OBJ_TAINTED(exc)) OBJ_TAINT(mesg);
return mesg;
}