racket/collects/redex/reduction-semantics.ss
2009-02-07 13:26:37 +00:00

75 lines
2.5 KiB
Scheme

#lang scheme/base
(require scheme/contract)
(require "private/reduction-semantics.ss"
"private/matcher.ss"
"private/term.ss"
"private/rg.ss"
"private/error.ss")
(provide exn:fail:redex?) ;; from error.ss
(provide reduction-relation
--> fresh with ;; keywords for reduction-relation
extend-reduction-relation
reduction-relation?
compatible-closure
context-closure
define-language
define-extended-language
plug
compiled-lang?
term
term-let
none?
define-metafunction
define-metafunction/extension
metafunction
in-domain?
caching-enabled?)
(provide (rename-out [test-match redex-match])
term-match
term-match/single
match? match-bindings
make-bind bind? bind-name bind-exp
test-equal
test-->
test-predicate
test-results)
(provide redex-check
generate-term
check-metafunction
check-metafunction-contract)
(provide/contract
[current-traced-metafunctions (parameter/c (or/c 'all (listof symbol?)))]
[reduction-relation->rule-names (-> reduction-relation? (listof symbol?))]
[language-nts (-> compiled-lang? (listof symbol?))]
[set-cache-size! (-> number? void?)]
[apply-reduction-relation (-> reduction-relation? any/c (listof any/c))]
[apply-reduction-relation/tag-with-names
(-> reduction-relation? any/c (listof (list/c (or/c false/c string?) any/c)))]
[apply-reduction-relation* (-> reduction-relation? any/c (listof any/c))]
[union-reduction-relations (->* (reduction-relation? reduction-relation?)
()
#:rest (listof reduction-relation?)
reduction-relation?)]
[lookup-binding (case->
(-> bindings? symbol? any)
(-> bindings? symbol? (-> any) any))]
[variable-not-in (any/c symbol? . -> . symbol?)]
[variables-not-in (any/c (listof symbol?) . -> . (listof symbol?))]
[check-reduction-relation (->* (reduction-relation? (-> any/c any/c))
(#:attempts natural-number/c
#:retries natural-number/c)
(one-of/c #t (void)))]
[relation-coverage (parameter/c (or/c false/c coverage?))]
[make-coverage (-> reduction-relation? coverage?)]
[covered-cases (-> coverage? (listof (cons/c string? natural-number/c)))])