GET_INFO(DEBUG)

     For an overview of the GET_INFO built-in, see the HELP topic GET_INFO.

     The following strings can be used for parameter2 when parameter1 is the
     keyword DEBUG:

       Parameter 2       | Return Value      (Parameter 1 is keyword DEBUG)
      -------------------+------------------------------------------------+
       "breakpoint"      | String    - Name of the first breakpoint.
                         |             Returns TPU$_NONAMES if no
                         |             breakpoint exists.
       "examine"         | Contents  - The value of the variable named by
                         |   of        parameter3.  Returns TPU$_NONAMES if
                         | variable    no breakpoint exists.  Note that you
                         |             must specify a third parameter, of
                         |             type string, naming the variable
                         |             to be examined.
       "line_number"     | Integer   - The breakpoint's line number,
                         |             counting from the beginning of
                         |             the procedure.  Returns 0 if the
                         |             breakpoint does not exist.
       "local"           | Variable  - First local variable in the previous
                         |             procedure; specifies that "next" or
                         |             "previous" will refer to locals;
                         | 0         - If no more local variables
       "parameter"       | Parameter - First parameter of the previous
                         |             procedure; specifies that "next"
                         |             and "previous" will refer to
                         |             parameters;
                         | 0         - If no more local parameters
       "next"            | Parameter - Next parameter in parameter list
                         | Variable  - Next local variable as declared
                         | Breakpoint- Next breakpoint
                         | 0         - End of list has been reached
       "previous"        | Parameter - Previous parameter in parameter list
                         | Variable  - Previous local variable as declared
                         | Breakpoint- Next breakpoint
                         | 0         - Beginning of list has been reached
       "procedure"       | String    - The name of the procedure containing
                         |             the current breakpoint.
      -------------------+------------------------------------------------+