Specialized procedures can be delivered in several languages: Lisp, C, C++, Java, Pascal.

• Lisp is equivalent to abstract syntax trees used by compilers

• Data structures in other languages can be specified to GLISP

• Simulated data structures in Lisp can be used for rapid prototyping

• Program transformation:
  • Transform Lisp features, e.g. returning a value from if statement

  • Patterns transform Lisp idioms to target idioms

• Syntactic transformation: names, types, patterns

• Printing program produces formatted, readable code.

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