Computer Dictionary/Abstract-Type and Scheme-Definition Language
project GRASPIN, as a basis for generating [[Computer Dictionary/language-based editors|language-based editors]] and environments. It combines an object-oriented type system, syntax-directed translation schemes and a target-language interface.
["ASDL - An Object-Oriented Specification Language for Syntax-Directed Environments", M.L. Christ-Neumann et al, European Software Eng Conf, Strasbourg, Sept 1987, pp.77-85].