syndicate-lang
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syndicate-rkt
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This commit is contained in:
Tony Garnock-Jones 2018-03-22 09:01:07 +13:00
parent 883fcb9b75
commit 1d67cbe65e
4 changed files with 56 additions and 48 deletions
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47
syndicate/pattern-test.rkt
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@ -1,47 +0,0 @@
#lang racket/base
(require rackunit)
(require (for-syntax racket/base))
(require (for-syntax "pattern.rkt"))
(require "pattern.rkt")
(struct foo (bar zot) #:prefab)
(define-syntax (check-analyse-pattern stx)
(syntax-case stx ()
[(_ expected-pat actual-stxpat fn)
#`(check-match (fn '#,(analyse-pattern #'actual-stxpat)) expected-pat)]
[(_ expected-pat actual-stxpat)
#'(check-analyse-pattern expected-pat actual-stxpat values)]))
(check-analyse-pattern `(compound ,_ (atom 123) (atom 234)) (foo 123 234))
(check-analyse-pattern `(compound ,_ (discard) (atom 234)) (foo _ 234))
(check-analyse-pattern `(compound ,_ (atom 123) (atom xyzzy)) (foo 123 xyzzy))
(check-analyse-pattern `(compound ,_ (atom 123) (capture cap (discard))) (foo 123 $cap))
(check-analyse-pattern `(compound ,_ (atom 123) (capture cap (atom 234))) (foo 123 ($ cap 234)))
(check-analyse-pattern `(atom (bar 123 234)) (bar 123 234))
(check-analyse-pattern `(atom (bar 123 $beep)) (bar 123 $beep))
(check-analyse-pattern `(compound list (atom 123) (capture q (discard))) (list 123 $q))
(define ((s->d f) desc) (syntax->datum (f desc)))
(check-analyse-pattern '() $cap desc->key)
(check-analyse-pattern '() $cap desc->skeleton-proj)
(check-analyse-pattern '((0)) $cap desc->capture-proj)
(check-analyse-pattern '#f $cap (s->d desc->skeleton-stx))
(check-analyse-pattern '? $cap (s->d desc->assertion-stx))
(check-analyse-pattern '(123) (foo 123 $cap) desc->key)
(check-analyse-pattern '((0 0)) (foo 123 $cap) desc->skeleton-proj)
(check-analyse-pattern '((0 1)) (foo 123 $cap) desc->capture-proj)
(check-analyse-pattern '(list foo? #f #f) (foo 123 $cap) (s->d desc->skeleton-stx))
(check-analyse-pattern '(foo 123 ?) (foo 123 $cap) (s->d desc->assertion-stx))
(check-analyse-pattern '((bar 'beep)) (foo (bar 'beep) $cap) desc->key)
(check-analyse-pattern '((0 0)) (foo (bar 'beep) $cap) desc->skeleton-proj)
(check-analyse-pattern '((0 1)) (foo (bar 'beep) $cap) desc->capture-proj)
(check-analyse-pattern '(list foo? #f #f) (foo (bar 'beep) $cap) (s->d desc->skeleton-stx))
(check-analyse-pattern '(foo (bar 'beep) ?) (foo (bar 'beep) $cap) (s->d desc->assertion-stx))

7
syndicate/pattern.rkt
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@ -1,6 +1,11 @@
#lang racket/base
(provide (all-defined-out))
(provide analyse-pattern
desc->key
desc->skeleton-proj
desc->capture-proj
desc->skeleton-stx
desc->assertion-stx)
(require racket/match)
(require racket/struct-info)

0
syndicate/main.rkt → syndicate/prototype.rkt
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50
syndicate/test/pattern-test.rkt Normal file
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@ -0,0 +1,50 @@
#lang racket/base
(module+ test
(require rackunit)
(require (for-syntax racket/base))
(require (for-syntax "pattern.rkt"))
(require "pattern.rkt")
(struct foo (bar zot) #:prefab)
(define-syntax (check-analyse-pattern stx)
(syntax-case stx ()
[(_ expected-pat actual-stxpat fn)
#`(check-match (fn '#,(analyse-pattern #'actual-stxpat)) expected-pat)]
[(_ expected-pat actual-stxpat)
#'(check-analyse-pattern expected-pat actual-stxpat values)]))
(check-analyse-pattern `(compound ,_ (atom 123) (atom 234)) (foo 123 234))
(check-analyse-pattern `(compound ,_ (discard) (atom 234)) (foo _ 234))
(check-analyse-pattern `(compound ,_ (atom 123) (atom xyzzy)) (foo 123 xyzzy))
(check-analyse-pattern `(compound ,_ (atom 123) (capture cap (discard))) (foo 123 $cap))
(check-analyse-pattern `(compound ,_ (atom 123) (capture cap (atom 234))) (foo 123 ($ cap 234)))
(check-analyse-pattern `(atom (bar 123 234)) (bar 123 234))
(check-analyse-pattern `(atom (bar 123 $beep)) (bar 123 $beep))
(check-analyse-pattern `(compound list (atom 123) (capture q (discard))) (list 123 $q))
(define ((s->d f) desc) (syntax->datum (f desc)))
(check-analyse-pattern '() $cap desc->key)
(check-analyse-pattern '() $cap desc->skeleton-proj)
(check-analyse-pattern '((0)) $cap desc->capture-proj)
(check-analyse-pattern '#f $cap (s->d desc->skeleton-stx))
(check-analyse-pattern '? $cap (s->d desc->assertion-stx))
(check-analyse-pattern '(123) (foo 123 $cap) desc->key)
(check-analyse-pattern '((0 0)) (foo 123 $cap) desc->skeleton-proj)
(check-analyse-pattern '((0 1)) (foo 123 $cap) desc->capture-proj)
(check-analyse-pattern '(list foo? #f #f) (foo 123 $cap) (s->d desc->skeleton-stx))
(check-analyse-pattern '(foo 123 ?) (foo 123 $cap) (s->d desc->assertion-stx))
(check-analyse-pattern '((bar 'beep)) (foo (bar 'beep) $cap) desc->key)
(check-analyse-pattern '((0 0)) (foo (bar 'beep) $cap) desc->skeleton-proj)
(check-analyse-pattern '((0 1)) (foo (bar 'beep) $cap) desc->capture-proj)
(check-analyse-pattern '(list foo? #f #f) (foo (bar 'beep) $cap) (s->d desc->skeleton-stx))
(check-analyse-pattern '(foo (bar 'beep) ?) (foo (bar 'beep) $cap) (s->d desc->assertion-stx))
)