Verbal and graphical language for the AED system: A progress report

  • Authors:
  • Douglas T. Ross;Clarence G. Feldmann

  • Affiliations:
  • -;-

  • Venue:
  • DAC '64 Proceedings of the SHARE design automation workshop
  • Year:
  • 1964

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Abstract

For Computer-Aided Design use of time-sharing a single language which can take either verbal or graphical form is required. This paper describes how a single language processing technique, which is in turn a special application of more general concepts concerning the step-by-step growth and processing of large structures of interrelated elements, can efficiently process both language forms in the same manner. Illustrations of the concepts involved are also drawn from the methods used in the AED-0 Compiler, an efficient ALGOL-60-based compiler used in Computer-Aided Design work, which is available as a public command in the Project MAC CTSS. “This paper was prepared for presentation at a special symposium concerning Project MAC, held at MIT May 6, 7, 1964, under the auspices of the MIT Industrial Liaison Program. The paper summarizes much of the material presented by Mr. Ross at the Share Automation Workshop. A non-time-shared version of the AED-0 Compiler described in the paper will be available through Share in the future. "Work reported herein was supported by Project MAC, an M.I.T. research program sponsored by the Advance Research Projects Agency, Department of Defense, under Office of Naval Research Contract Number Nonr-4102(01) and by the Fabrication Branch, Manufacturing Technology Laboratory, Aeronautical Systems Division, United States Air Force under Contract No. AF-33(600)- 42859. Reproduction in whole or in part is permitted for any purpose of the United States Government.”