Exception: NameError

Inherits:
StandardError show all
Defined in:
error.c

Direct Known Subclasses

NoMethodError

Defined Under Namespace

Classes: message

Instance Method Summary collapse

Methods inherited from Exception

#backtrace, exception, #exception, #inspect, #message, #set_backtrace, #to_str

Constructor Details

#new(msg[, name]) ⇒ Object

Construct a new NameError exception. If given the name parameter may subsequently be examined using the NameError.name method.



# File 'error.c'

/*
 * call-seq:
 *   NameError.new(msg [, name])  => name_error
 *
 * Construct a new NameError exception. If given the <i>name</i>
 * parameter may subsequently be examined using the <code>NameError.name</code>
 * method.
 */

static VALUE
name_err_initialize(argc, argv, self)
    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;
}

Instance Method Details

#nameString?

Return the name associated with this NameError exception.

Returns:



# File 'error.c'

/*
 *  call-seq:
 *    name_error.name    =>  string or nil
 *
 *  Return the name associated with this NameError exception.
 */

static VALUE
name_err_name(self)
    VALUE self;
{
    return rb_attr_get(self, rb_intern("name"));
}

#to_sString

Produce a nicely-formated string representing the NameError.

Returns:



# File 'error.c'

/*
 * call-seq:
 *  name_error.to_s   => string
 *
 * Produce a nicely-formated string representing the +NameError+.
 */

static VALUE
name_err_to_s(exc)
    VALUE exc;
{
    VALUE mesg = rb_attr_get(exc, rb_intern("mesg")), 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;
}