racket/collects/tests/mzscheme/macro.ss

542 lines
15 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 77 'set!-transformer-prop
(let ([x 3])
(let-syntax ([f (let ()
(define-struct s!t (proc)
#:property prop:set!-transformer 0)
(make-s!t
(lambda (stx)
(syntax-case stx ()
[(_ __ val)
#'(set! x val)]))))])
(set! f 77)
x)))
(test 777 'set!-transformer-prop2
(let ([x 3])
(let-syntax ([f (let ()
(define-struct s!t ()
#:property prop:set!-transformer
(lambda (stx)
(syntax-case stx ()
[(_ __ val)
#'(set! x val)])))
(make-s!t))])
(set! f 777)
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 2)
(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)]))
;; ----------------------------------------
(require (only-in mzlib/etc begin-with-definitions))
(define-syntax (def stx)
(syntax-case stx ()
[(_ id)
(with-syntax ([x:id (datum->syntax #'id 'x)])
#'(begin
(define x:id 50)
(define-syntax id #'x:id)))]))
(define-syntax (look stx)
(syntax-case stx ()
[(_ id) (syntax-local-value #'id)]))
(test 50 'look
(let ()
(def foo)
(look foo)))
(test 50 'look
(begin-with-definitions
(def foo)
(look foo)))
(test #t 'bwd-struct
(let ()
(begin-with-definitions
(define-struct a (x y))
(define-struct (b a) (z))
(b? (make-b 1 2 3)))))
(test 5 'intdef
(let ()
(define-syntax foo
(syntax-rules ()
[(_ id) (begin
(define x 5)
(define id x))]))
(foo x)
x))
(test 6 'intdef-values
(let ()
(define-syntax foo
(syntax-rules ()
[(_ id) (define-values (x id)
(values 6 (lambda () x)))]))
(foo x)
(x)))
(test 75 'bwd
(begin-with-definitions
(define-syntax foo
(syntax-rules ()
[(_ id) (begin
(define x 75)
(define id x))]))
(foo x)
x))
;; ----------------------------------------
(define-syntax (bind stx)
(syntax-case stx ()
[(_ handle def)
(let ([def-ctx (syntax-local-make-definition-context)]
[ctx (cons (gensym 'intdef)
(let ([orig-ctx (syntax-local-context)])
(if (pair? orig-ctx)
orig-ctx
null)))]
[kernel-forms (list #'define-values)])
(let ([def (local-expand #'def ctx kernel-forms def-ctx)])
(syntax-case def ()
[(define-values (id) rhs)
(begin
(syntax-local-bind-syntaxes (list #'id) #f def-ctx)
(internal-definition-context-seal def-ctx)
#'(begin
(define-values (id) rhs)
(define-syntax handle (quote-syntax id))))]
[_ (error "no")])))]))
(define-syntax (nab stx)
(syntax-case stx ()
[(_ handle)
(syntax-local-value #'handle)]))
(let ()
(bind h (define q 5))
(define q 8)
(nab h))
;; ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(module rename-transformer-tests scheme/base
(require (for-syntax scheme/base))
(define x 12)
(define-syntax bar (let ([x 10])
(make-rename-transformer #'x)))
(define-syntax foo (make-rename-transformer #'x))
(list foo
(identifier-binding #'foo)
(free-identifier=? #'x #'foo))
(identifier-binding #'bar)
(begin-for-syntax
(define-struct rt (id)
#:property prop:rename-transformer 0
#:omit-define-syntaxes))
(let-syntax ([q (make-rt #'x)])
(list q
(identifier-binding #'q)
(free-identifier=? #'q #'x)))
(let ([w 11])
(letrec-syntax ([q (let ()
(define-struct rt ()
#:property prop:rename-transformer #'w)
(make-rt))])
(list q
(identifier-binding #'q)
(free-identifier=? #'q #'w))))
(letrec-syntax ([n (make-rename-transformer #'glob)])
(list (identifier-binding #'n)
(free-identifier=? #'n #'glob)))
(letrec-syntax ([i (make-rename-transformer #'glob)])
(letrec-syntax ([n (make-rename-transformer (syntax-property #'i 'not-free-identifier=? #f))])
(list (identifier-binding #'n)
(free-identifier=? #'n #'glob)))))
(let ([accum null])
(parameterize ([current-print (lambda (v)
(set! accum (cons (let loop ([v v])
(cond
[(module-path-index? v) 'mpi]
[(pair? v) (cons (loop (car v))
(loop (cdr v)))]
[else v]))
accum)))])
(dynamic-require ''rename-transformer-tests #f))
(test '((#f #t)
(#f #t)
(11 lexical #t)
(12 (mpi x mpi x 0 0 0) #t)
lexical
(12 (mpi x mpi x 0 0 0) #t))
values accum))
(module rename-transformer-tests:m scheme/base
(require (for-syntax scheme/base))
(define-syntax x 1)
(define-syntax x* (make-rename-transformer #'x))
(define-syntax x** (make-rename-transformer (syntax-property #'x 'not-free-identifier=? #t)))
(define-syntax (get stx)
(syntax-case stx ()
[(_ i)
#`#,(free-identifier=? #'i #'x)]))
(provide get x* x**))
(module rename-transformer-tests:n scheme
(require 'rename-transformer-tests:m)
(provide go)
(define (go)
(list (get x*) (get x**))))
(test '(#t #f) (dynamic-require ''rename-transformer-tests:n 'go))
;; ----------------------------------------
(report-errs)