110637     DIBOL String-interpreting Subroutines  Version: June 1983
 
Submitted by: Dennis Guhl, Romanoff Electric Corp., Toledo, OH
 
Operating System: RSTS/E V7.0  Source Language: DIBOL  Software
Required: DIBOL Runtime System  Keywords: DIBOL
 
Abstract: This program consists of two DIBOL subroutines and
demonstration programs for same. An algebraic-string
evaluator allows nested parenthesis, in-string numeric
literals, and single-letter vaiables. The Boolean
evaluator has the above features and will also handle
alphanumeric literals, both in the string and in the
variable array. Both subroutines have error-checking
with status codes returned to the calling program. Both
subroutines also share a common modular parameter format
so they may be XCALLed using the same variable-list,
etc.
 
All source code is included and is self-documenting.
Bells and whistles have been omitted to improve the
clarity of the source. The demo programs allow input of
strings and variables and will display evaluations or
error codes as appropriate.
 
Restrictions: CRT-type with VT52-type cursor control is required to
use the Demo programs.
 
Media (Service Charge Code): Write-Up and Listing (DA), 600' Magnetic
Tape (MA)  Format: RT-11