Schrodinger’s Yacc

There was a small controversy last year about parser combinators, a convenient way of rapidly developing parsers in a functional style. Yacc is presumably chosen as the archetypal non-combinator parser generator, requiring separate external parser compiler, known for being a pain to use. “Yacc is dead” (ltu discussion) “Yacc is not dead“ “Yacc is dead: […]

Continuation Patterns

Interesting paper on the topic of various program patterns implemented in coroutine. ¬†As mentioned in a previous post, continuations are a powerful control flow primitive — they can be used for: Call with Current Continuation Patterns, Ferguson & Deugo Escaping recursive procedures and loops Reentry into recursion Coroutines Backtracking Simulating multitasking The paper covers these […]