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CS603 Programming Language Organization

Explore operational semantics, interpreter, and code chunks in µ-Scheme, comparing with Impcore. Prepare with readings for next time.

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CS603 Programming Language Organization

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  1. CS603 Programming Language Organization • Lecture 14 • Spring 2003 • Department of Computer Science

  2. Overview • Questions • µ-Scheme Operational Semantics Conclusion • µ-Scheme Interpreter • Reading for next time

  3. µ-Scheme Interpreter • Like Impcore, eval and topeval • Like Impcore, arguments match operational semantics • eval(Exp *e, Env *env) 106a • topeval(Toplevel *t, Env *env, int echo) 111d

  4. • Write sequence of code chunk numbers for: (val zero? ((curry =) 0)) • Write sequence of code chunk numbers for: (zero? 0) µ-Scheme Interpreter Pair Up: • Write sequence of code chunk numbers for: (define curry (f) (lambda (x) (lambda (y) (f x y)))

  5. Reading for Next Time • Sections 3.15

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