racket/collects/tests/mzscheme/macro.ss
Matthew Flatt 3abf3eb098 repair mz test suite
svn: r7760
2007-11-18 04:34:49 +00:00

343 lines
9.2 KiB
Scheme

(load-relative "loadtest.ss")
(Section 'macro)
(error-test #'(define-syntaxes () (values 1)) exn:application:arity?)
(error-test #'(define-syntaxes () (values 1 2)) exn:application:arity?)
(error-test #'(define-syntaxes (x) (values 1 2)) exn:application:arity?)
(error-test #'(define-syntaxes (x y) (values 1)) exn:application:arity?)
(error-test #'(define-syntaxes (x y) (values 1 2 3)) exn:application:arity?)
;; Declarations:
(define-syntaxes (x) (values))
(define-syntaxes (x y) (values))
(define-syntax mx
(lambda (stx)
(syntax-case stx ()
[(_ x)
(syntax (x 1 8))])))
(test 9 'macro (mx +))
(test -7 'macro (mx -))
(test 18 'macro (let ([mx (lambda (x) (x 1 8 9))]) (mx +)))
(define-syntax (m stx)
(syntax-case stx ()
[(_) #'(m2 x)]))
(define-syntax (m2 stx)
(syntax-case stx ()
[(_ y) #'(let ([y 10]
[x 8])
y)]))
(test 10 'hygiene (m))
(test 10 'hygiene (m2 y))
(test 10 'hygiene (m2 x))
(test 10 'hygiene (eval #'(m)))
(test 10 'hygiene (eval (expand #'(m))))
(test 10 'hygiene (eval (expand (expand #'(m)))))
(define-syntax define-foo
(syntax-rules ()
((_ expr) (define foo expr))))
(test 'o 'hygiene (let ()
(define-foo 'f)
(define-foo 'o)
(define o 'o)
o))
(test 'o 'hygiene (eval (expand (expand #'(let ()
(define-foo 'f)
(define-foo 'o)
(define o 'o)
o)))))
(test 13 'let-macro (let-syntax ([mx (lambda (stx)
(syntax-case stx ()
[(_ x) (syntax (x 6 7))]))])
(mx +)))
(test -7 'let-macro (let-syntax ([mx2 (lambda (stx)
(syntax-case stx ()
[(_ x y) (syntax (mx y))]))])
(mx2 + -)))
(test '(10) 'let-macro ((lambda () (let-syntax ([x (lambda (stx)
(syntax-case stx ()
[(_ v) (syntax (list v))]))])
(x 10)))))
(test '(10) 'let-macro (let ()
(define-syntax x
(lambda (stx)
(syntax-case stx ()
[(_ v) (syntax (list v))])))
(x 10)))
(test '(10) 'let-macro ((lambda ()
(define-syntax x
(lambda (stx)
(syntax-case stx ()
[(_ v) (syntax (list v))])))
(x 10))))
(test 55 (let ()
(define-syntax (g x) #'f)
(define (f x) x)
(define h g)
h)
55)
(test 66 (let ()
(define (f x) x)
(define-syntax (g x) #'f)
(define h g)
h)
66)
(test 77 (let ()
(define (f x) x)
(define h g)
(define-syntax (g x) #'f)
h)
77)
(test 55 (letrec-syntaxes+values ([(g) (lambda (x) #'f)])
([(f) (lambda (x) x)]
[(h) f])
h)
55)
(test 7 'lrsv (letrec-syntaxes+values () () 7))
(syntax-test #'(set! lambda 5))
(syntax-test #'(lambda () (define-syntax x 10) (set! x 5)))
(syntax-test #'(lambda () (define-syntax (x) 10) (set! x 5)))
(syntax-test #'letrec-syntaxes+values)
(syntax-test #'(letrec-syntaxes+values))
(syntax-test #'(letrec-syntaxes+values . 1))
(syntax-test #'(letrec-syntaxes+values ()))
(syntax-test #'(letrec-syntaxes+values () . 1))
(syntax-test #'(letrec-syntaxes+values () ()))
(syntax-test #'(letrec-syntaxes+values () () . 1))
(syntax-test #'(letrec-syntaxes+values x () 1))
(syntax-test #'(letrec-syntaxes+values (x) () 1))
(syntax-test #'(letrec-syntaxes+values ([x]) () 1))
(syntax-test #'(letrec-syntaxes+values ([(x)]) () 1))
(syntax-test #'(letrec-syntaxes+values ([(x) 1 2]) () 1))
(syntax-test #'(letrec-syntaxes+values ([(x) 1] . y) () 1))
(syntax-test #'(letrec-syntaxes+values () x 1))
(syntax-test #'(letrec-syntaxes+values () (x) 1))
(syntax-test #'(letrec-syntaxes+values () ([x]) 1))
(syntax-test #'(letrec-syntaxes+values () ([(x)]) 1))
(syntax-test #'(letrec-syntaxes+values () ([(x) 1 2]) 1))
(syntax-test #'(letrec-syntaxes+values () ([(x) 1] . y) 1))
(test 7 'set!-transformer
(let ([x 3])
(let-syntax ([f (make-set!-transformer
(lambda (stx)
(syntax-case stx ()
[(_ __ val)
#'(set! x val)])))])
(set! f 7)
x)))
(test 7 'rename-transformer
(let ([x 3])
(let-syntax ([f (make-rename-transformer #'x)])
(set! f 6)
(set! x (add1 x))
f)))
(test 5 'rename-with-non-hygiene
(let-syntax ([f (lambda (stx) (datum->syntax stx 'foo))])
(let-syntax ([g (make-rename-transformer #'f)])
(let ([foo 5])
g))))
(test 12 'rename-with-non-hygiene/app
(let-syntax ([f (lambda (stx)
(syntax-case stx ()
[(_ arg)
#`(#,(datum->syntax stx 'foo) arg)]))])
(let-syntax ([g (make-rename-transformer #'f)])
(let ([foo (lambda (x) (sub1 x))])
(g 13)))))
(test 43 'rename-with-non-hygiene/set
(let-syntax ([f (make-set!-transformer
(lambda (stx)
(syntax-case stx ()
[(set! _ arg)
#`(set! #,(datum->syntax stx 'foo) arg)])))])
(let-syntax ([g (make-rename-transformer #'f)])
(let ([foo 45])
(set! g 43)
foo))))
(define foo 88)
(test 88 'rename-with-hygiene
(let-syntax ([g (make-rename-transformer #'foo)])
(let ([foo 5])
g)))
(define (foox w) (+ w 88))
(test 99 'rename-with-hygiene/app
(let-syntax ([g (make-rename-transformer #'foox)])
(let ([foox 5])
(g 11))))
(define fooy 12)
(test '(5 11) 'rename-with-hygiene/set!
(list (let-syntax ([g (make-rename-transformer #'fooy)])
(let ([fooy 5])
(set! g 11)
fooy))
fooy))
(test 12 'rename-internal-define
(let-syntax ([fooz (syntax-rules ()
[(_ id) (define id 12)])])
(let-syntax ([foozzz (make-rename-transformer #'fooz)])
(foozzz foozz)
foozz)))
(test #t set!-transformer? (make-set!-transformer void))
(test #t rename-transformer? (make-rename-transformer #'void))
(err/rt-test (make-set!-transformer 5))
(err/rt-test (make-set!-transformer #'x))
(err/rt-test (make-rename-transformer 5))
(err/rt-test (make-rename-transformer void))
(arity-test make-set!-transformer 1 1)
(arity-test set!-transformer? 1 1)
(arity-test make-rename-transformer 1 1)
(arity-test rename-transformer? 1 1)
;; Test inheritance of context when . is used in a pattern
(define-syntax keep-context
(syntax-rules () [(a . b) b]))
(define-syntax (discard-context stx)
(syntax-case stx ()
[(v . a) (datum->syntax #f (syntax-e #'a))]))
(test 6 'plus (keep-context + 1 2 3))
(test 6 'plus (keep-context . (+ 1 2 3)))
(unless building-flat-tests?
(eval-syntax
#'(test 6 'plus (discard-context keep-context . (+ 1 2 3)))))
(syntax-test #'(discard-context + 1 2 3))
(syntax-test #'(discard-context . (+ 1 2 3)))
(syntax-test #'(discard-context keep-context + 1 2 3))
;; ----------------------------------------
(require (for-syntax scheme/struct-info))
(define-syntax (et-struct-info stx)
(syntax-case stx ()
[(_ id) #`(quote #,(extract-struct-info (syntax-local-value #'id)))]))
(let ([v (et-struct-info exn)])
(test '(struct:exn make-exn exn? (exn-continuation-marks exn-message) (#f #f) #t) values v))
(let ([v (et-struct-info exn:break)])
(test '(struct:exn:break make-exn:break exn:break? (exn:break-continuation exn-continuation-marks exn-message) (#f #f #f) exn) values v))
(let ([v (et-struct-info arity-at-least)])
(test '(struct:arity-at-least make-arity-at-least arity-at-least?
(arity-at-least-value) (#f) #t)
values v))
(let ()
(define-struct a (x y) #:mutable)
(let ([v (et-struct-info a)])
(test '(struct:a make-a a? (a-y a-x) (set-a-y! set-a-x!) #t) values v)
(let ()
(define-struct (b a) (z))
(let ([v (et-struct-info b)])
(test '(struct:b make-b b? (b-z a-y a-x) (#f set-a-y! set-a-x!) a) values v)))
(let ()
(define-struct (b exn) (z) #:mutable)
(let ([v (et-struct-info b)])
(test '(struct:b make-b b? (b-z exn-continuation-marks exn-message) (set-b-z! #f #f) exn) values v)))))
;; ----------------------------------------
(let ()
(define-syntax (goo stx)
(syntax-case stx ()
[(_ foo) #'(define-syntax (foo stx) (syntax-case stx () [(_ x) #'(define x 120)]))]))
(goo foo)
(foo x)
(test 120 'intdef x))
(let-syntax ([goo (lambda (stx) #'(begin (define z 131) (test 131 'intdef z)))])
(let-syntax ([y (lambda (stx) #'goo)])
(let ()
(define-syntax (goo stx)
(syntax-case stx ()
[(_ foo) #'(define-syntax (foo stx) (syntax-case stx () [(_ x) #'(define x 121)]))]))
(goo foo)
(foo x)
y
(test 121 'intdef x))))
(syntax-test #'(let ()
(define-syntax goo 10)
(define goo 10)
12))
(syntax-test #'(let-syntax ([ohno (lambda (stx) #'(define z -10))])
(let ()
(define ohno 128)
ohno
(define-syntax (goo stx) #'ohno)
(printf "~a\n" ohno))))
(define-syntax (def-it stx)
(syntax-case stx ()
[(_ eid id)
#'(define-syntax eid #'id)]))
(define-syntax (get-it stx)
(syntax-case stx ()
[(_ id eid)
#`(define id #,(syntax-local-value #'eid))]))
(let ()
(define x1 90)
(def-it y1 x1)
(get-it z1 y1)
(test 90 'intdef z1))
(let ()
(define-struct a (b c))
(test 2 'intdef (a-c (make-a 1 2))))
(let ()
(define-struct a (b c))
(let ()
(define-struct (d a) (e))
(test 3 'intdef (d-e (make-d 1 2 3)))))
(let ()
(define-struct a (b c))
(define-struct (d a) (e))
(test 3 'intdef (d-e (make-d 1 2 3))))
;; ----------------------------------------
(test 10 'vector-pattern (syntax-case #() () [#() 10]))
(test 'b 'vector-pattern (syntax-case #(a b c) () [#(x y z) (syntax-e #'y)]))
;; ----------------------------------------
(report-errs)