ORACLE capture exception object

Hi there any way to capture the objects (such as table and column) where an exception was thrown in ORACLE?

I need to determine the object name to customize the error message showing the user the name of the table and field where the exception occurred.

I know there is a variable SQLCODE and SQLERRM, but I wonder if there is any additional variable or a function that returns me the name of the error object.

i want something like this

exception
  when others then
    begin
     if SQLCODE = -20010
       then dbms_output.put_line('The Value Too Large in the field ' || GetObjectNameError);
     end if;
   end;

UPDATE

using the tony example

CREATE TABLE t (v varchar2(3));
COMMENT ON TABLE t IS 'my table description';
COMMENT ON COLUMN t.v IS 'my column description';
insert into t values ('xxxx');

Actually raise this error *

ERROR at line 1:
ORA-12899: value too large for column "MYSCHEMA"."T"."V" (actual: 4, maximum: 3)

I want to show something like this

ORA-12899: value too large for column "my column description" in table "my table description" (actual: 4, maximum: 3)

thanks in advance.

No, there isn't. But more recent versions of Oracle (10G at least) does it for you with its own exceptions:

SQL> create table t (v varchar2(3));

Table created.

SQL> insert into t values ('xxxx');
insert into t values ('xxxx')
                      *
ERROR at line 1:
ORA-12899: value too large for column "MYSCHEMA"."T"."V" (actual: 4, maximum: 3)

To get what you are looking for you could parse this error to get the table and column names (T and V in this example) and then look up the comments from USER_TAB_COMMENTS and USER_COL_COMMENTS and re-construct the message using those.