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Article contents:== Outdated egg! This is an egg for CHICKEN 3, the unsupported old release. You're almost certainly looking for [[/eggref/4/eopl|the CHICKEN 4 version of this egg]], if it exists. If it does not exist, there may be equivalent functionality provided by another egg; have a look at the [[https://wiki.call-cc.org/chicken-projects/egg-index-4.html|egg index]]. Otherwise, please consider porting this egg to the current version of CHICKEN. [[tags: egg]] [[toc:]] == eopl === Introduction This extension provides support code for the book "Essentials of Programming Languages". In particular, {{define-datatype}}, the test-harness and various helper procedures are provided. The SLLGEN parser generator is included as well. === Requirements [[http://code.call-cc.org/legacy-eggs/3/syntax-case.html|syntax-case]] === Usage: (require-extension syntax-case) (require-extension eopl)}} To use the SLLGEN parser generator, enter (require-extension sllgen) === Links [[http://www.cs.indiana.edu/eip/eopl.html]] === Authors Friedman, Wand and Haynes Ported to CHICKEN by [[/users/felix winkelmann|felix winkelmann]] Description of your changes:

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