r6rs tests and bug fixes
svn: r9558
This commit is contained in:
Matthew Flatt
parent
77277f0405
commit
a09b2eca94
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@ -112,27 +112,30 @@
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tag)))
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(define (hashtable-update! ht key proc default)
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(hashtable-set! ht key (proc (hashtable-ref ht key default))))
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(if (hashtable-mutable? ht)
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(hashtable-set! ht key (proc (hashtable-ref ht key default)))
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(raise-type-error 'hashtable-update! "mutable hashtable" ht)))
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(define (hashtable-copy ht [mutable? #f])
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(make-hashtable (hash-copy (hashtable-ht ht))
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(hashtable-wrap ht)
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(hashtable-unwrap ht)
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mutable?
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(hashtable-equivalence-function ht)))
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(hashtable-equivalence-function ht)
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(hashtable-hash-function ht)))
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(define (hashtable-clear! ht [k 0])
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(unless (exact-nonnegative-integer? k)
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(raise-type-error 'hashtable-clear! "exact, nonnegative integer" k))
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(if (hashtable-mutable? ht)
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(set-hashtable-ht! (if (eq? values (hashtable-wrap ht))
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(make-hasheq)
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(make-hash)))
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(set-hashtable-ht! ht (if (eq? values (hashtable-wrap ht))
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(make-hasheq)
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(make-hash)))
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(raise-type-error 'hashtable-clear! "mutable hashtable" ht)))
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(define (hashtable-keys ht)
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(let ([unwrap (hashtable-unwrap ht)])
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(hash-map (hashtable-ht ht) (lambda (a b) (unwrap a)))))
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(list->vector (hash-map (hashtable-ht ht) (lambda (a b) (unwrap a))))))
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(define (hashtable-entries ht)
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(let ([ps (hash-map (hashtable-ht ht) cons)]
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@ -33,9 +33,19 @@
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(define (r6rs:generate-temporaries l)
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(list->mlist
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(generate-temporaries (if (mlist? l)
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(mlist->list l)
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l))))
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(generate-temporaries (let loop ([l l])
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(cond
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[(null? l) null]
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[(mpair? l) (cons (mcar l)
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(loop (mcdr l)))]
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[(syntax? l) (loop (syntax-e l))]
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[(pair? l) (cons (car l)
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(loop (cdr l)))]
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[else
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(raise-type-error
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'generate-temporaries
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"list or list-structured syntax object"
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l)])))))
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(define (make-variable-transformer proc)
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(make-set!-transformer proc))
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@ -274,12 +284,140 @@
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;; > (with-syntax ([a 10][... 11]) #'(a ...))
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;; (10 11)
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(define-syntax r6rs:with-syntax
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(syntax-rules ()
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[(_ [(p e0) ...] e1 e2 ...)
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(r6rs:syntax-case (mlist e0 ...) ()
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[(p ...) (let () e1 e2 ...)])]))
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(define-generalized-qq r6rs:quasisyntax
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quasisyntax unsyntax unsyntax-splicing convert-mpairs)
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(define-syntax (r6rs:quasisyntax stx)
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(syntax-case stx ()
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[(_ tmpl)
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(let loop ([stx #'tmpl]
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[src stx]
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[depth 0]
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[to-splice? #f]
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[k (lambda (template pats exprs)
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(with-syntax ([(pat ...) pats]
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[(expr ...) exprs]
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[template template])
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(syntax/loc stx
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(r6rs:with-syntax ([pat expr] ...)
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(r6rs:syntax template)))))])
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(cond
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[(and (identifier? stx)
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(or (free-identifier=? #'unsyntax stx)
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(free-identifier=? #'unsyntax-splicing stx)))
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(raise-syntax-error #f
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"misplaced within quasitemplate"
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stx)]
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[(syntax? stx)
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(loop (syntax-e stx)
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stx
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depth
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to-splice?
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(lambda (t pats exprs)
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(k (if to-splice?
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(map (lambda (t)
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(datum->syntax stx t stx stx))
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t)
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(datum->syntax stx t stx stx))
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pats
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exprs)))]
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[(pair? stx)
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(cond
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[(and (identifier? (car stx))
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(or (free-identifier=? #'unsyntax (car stx))
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(free-identifier=? #'unsyntax-splicing (car stx))))
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(let ([l (syntax->list (datum->syntax #f (cdr stx)))]
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[splice? (free-identifier=? #'unsyntax-splicing (car stx))])
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(unless l
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(raise-syntax-error #f
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"bad syntax"
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(datum->syntax src stx src src)))
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(if (zero? depth)
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;; Escape:
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(let ([id (car (generate-temporaries '(un)))])
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(when (or splice? (not (= 1 (length l))))
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(unless to-splice?
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(raise-syntax-error #f
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"not in a splicing context"
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(datum->syntax src stx src src))))
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(if (= (length l) 1)
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;; Normal substitution:
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(k (if to-splice?
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(if splice?
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(list id (quote-syntax ...))
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(list id))
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id)
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(list (if splice?
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(list id (quote-syntax ...))
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id))
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(list (car l)))
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;; Splicing (or double-splicing) substitution:
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(k (if splice?
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(list id (quote-syntax ...) (quote-syntax ...))
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(list id (quote-syntax ...)))
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(list
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(if splice?
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(list (list id (quote-syntax ...)) (quote-syntax ...))
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(list id (quote-syntax ...))))
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(list (if splice?
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#`(map convert-mpairs (list . #,(cdr stx)))
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#`(list . #,(cdr stx)))))))
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;; Not an escape -- just decrement depth:
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(loop (cdr stx)
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src
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(sub1 depth)
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#f
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(lambda (t pats exprs)
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(k (let ([v (cons (car stx) t)])
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(if to-splice?
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(list v)
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v))
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pats
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exprs)))))]
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[(and (identifier? (car stx))
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(free-identifier=? #'r6rs:quasisyntax (car stx)))
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(loop (cdr stx)
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src
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(add1 depth)
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#f
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(lambda (t pats exprs)
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(k (let ([v (cons (car stx) t)])
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(if to-splice?
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(list v)
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v))
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pats
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exprs)))]
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[else
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;; a pair
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(loop (car stx)
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src
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depth
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#t
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(lambda (a a-pats a-exprs)
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(loop (cdr stx)
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src
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depth
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#f
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(lambda (b b-pats b-exprs)
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(k (let ([v (append a b)])
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(if to-splice?
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(list v)
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v))
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(append a-pats b-pats)
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(append a-exprs b-exprs))))))])]
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[(vector? stx)
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(loop (vector->list stx)
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src
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depth
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#f
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(lambda (t pats exprs)
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(k (let ([v (list->vector t)])
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(if to-splice?
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(list v)
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v))
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pats
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exprs)))]
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[else (k (if to-splice? (list stx) stx) null null)]))]))
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@ -5,6 +5,92 @@
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(import (rnrs)
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(tests r6rs test))
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(define-syntax test-ht
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(syntax-rules ()
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[(_ mk ([key val] ...)
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key/r orig-val new-val
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key/a a-val
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key/rm)
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(let ([h mk])
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(test (hashtable? h) #t)
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(test (hashtable-size h) 0)
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(test (hashtable-ref h key/r 'nope) 'nope)
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(test/unspec (hashtable-delete! h key)) ...
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(test (hashtable-size h) 0)
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(test (hashtable-ref h key/r 'nope) 'nope)
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(test (hashtable-contains? h key/r) #f)
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(test/unspec (hashtable-set! h key/r orig-val))
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(test (hashtable-ref h key/r 'nope) orig-val)
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(test (hashtable-contains? h key/r) #t)
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(test (hashtable-size h) 1)
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(test/unspec (hashtable-set! h key val)) ...
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(test (hashtable-size h) (length '(key ...)))
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(test (hashtable-ref h key/r 'nope) orig-val)
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(test (hashtable-ref h key 'nope) val) ...
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(let ([h1 (hashtable-copy h #t)]
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[h1i (hashtable-copy h)])
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(test (hashtable-mutable? h) #t)
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(test (hashtable-mutable? h1) #t)
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(test (hashtable-mutable? h1i) #f)
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(test (vector-length (hashtable-keys h))
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(hashtable-size h))
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(test (vector-length (let-values ([(k e) (hashtable-entries h)])
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e))
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(hashtable-size h))
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(test (exists (lambda (v) (eq? v key/r))
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(vector->list (hashtable-keys h)))
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#t)
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(test/unspec (hashtable-set! h key/r new-val))
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(test (hashtable-contains? h key/r) #t)
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(test (hashtable-ref h key/r 'nope) new-val)
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(test/unspec (hashtable-update! h key/r (lambda (v)
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(test v new-val)
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orig-val)
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'nope))
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(test (hashtable-ref h key/r 'nope) orig-val)
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(test/unspec (hashtable-update! h key/r (lambda (v)
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(test v orig-val)
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new-val)
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'nope))
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(test (hashtable-ref h key/r 'nope) new-val)
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(test/unspec (hashtable-update! h key/a (lambda (v)
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(test v 'nope)
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a-val)
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'nope))
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(test (hashtable-ref h key/a 'nope) a-val)
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(test/unspec (hashtable-delete! h key/a))
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(test (hashtable-contains? h key/rm) #t)
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(hashtable-delete! h key/rm)
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(test (hashtable-contains? h key/rm) #f)
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(test (hashtable-ref h key/rm 'nope) 'nope)
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(test (hashtable-ref h1 key 'nope) val) ...
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(test (hashtable-ref h1i key 'nope) val) ...
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(test (hashtable-contains? h1 key/rm) #t)
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(test (hashtable-contains? h1i key/rm) #t)
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(hashtable-clear! h)
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(test (hashtable-contains? h key) #f) ...
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(test (hashtable-contains? h1 key) #t) ...
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(test (hashtable-contains? h1i key) #t) ...
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(test/unspec (hashtable-clear! h1))
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(test/exn (hashtable-set! h1i key/r #f) &violation)
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(test/exn (hashtable-delete! h1i key/r) &violation)
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(test/exn (hashtable-update! h1i key/r (lambda (q) q) 'none) &violation)
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(test/exn (hashtable-clear! h1i) &violation)))]))
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;; ----------------------------------------
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(define (run-hashtables-tests)
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(let-values ([(kv vv)
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@ -26,6 +112,56 @@
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(equal? (cons kv vv)
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'(#(3 2 1) . #(three two one))))
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#t))
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(test-ht (make-eq-hashtable)
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(['a 7] ['b "bee"]
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[#t 8] [#f 9]
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['c 123456789101112])
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'b "bee" "bumble"
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'd 12
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'c)
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(test-ht (make-eqv-hashtable)
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(['a 7] [#\b "bee"]
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[#t 8] [0.0 85]
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[123456789101112 'c])
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#\b "bee" "bumble"
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'd 12
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123456789101112)
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(let ([val-of (lambda (a)
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(if (number? a)
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a
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(string->number a)))])
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(test-ht (make-hashtable val-of
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(lambda (a b)
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(= (val-of a) (val-of b))))
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([1 'one]["2" 'two]
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[3 'three]["4" 'four])
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2 'two 'er
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5 'five
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4))
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(test (hashtable? (make-eq-hashtable 10)) #t)
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(test (hashtable? (make-eqv-hashtable 10)) #t)
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(test (hashtable? (make-hashtable (lambda (x) 0) equal? 10)) #t)
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(let ([zero (lambda (a) 0)]
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[same? (lambda (a b) #t)])
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(let ([ht (make-hashtable zero same?)])
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(test (hashtable-equivalence-function ht) same?)
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(test (hashtable-hash-function ht) zero)))
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(test (equal-hash "a") (equal-hash (make-string 1 #\a)))
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(test (equal-hash 1024) (equal-hash (expt 2 10)))
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(test (equal-hash '(1 2 3)) (equal-hash (list 1 2 3)))
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(test (string-hash "a") (string-hash (make-string 1 #\a)))
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(test (string-hash "aaaaa") (string-hash (make-string 5 #\a)))
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(test (string-ci-hash "aAaAA") (string-hash (make-string 5 #\a)))
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(test (symbol-hash 'a) (symbol-hash 'a))
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;;
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))
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@ -3,6 +3,7 @@
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(library (tests r6rs syntax-case)
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(export run-syntax-case-tests)
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(import (for (rnrs) run expand)
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(rename (only (rnrs base) cons) (cons kons)) ; for free-identifier=?
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(tests r6rs test))
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;; ----------------------------------------
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@ -110,7 +111,167 @@
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(set! ls (cons 'a ls))
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(set! n (- n 1))))
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'(a a a))
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;; ----------------------------------------
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(test (syntax-case #'1 () [1 'one]) 'one)
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(test (syntax-case #'(1) () [(1) 'one]) 'one)
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(test (syntax-case '(1) () [(x) #'x]) 1)
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(test (syntax-case #'(1) () [(x) (syntax->datum #'x)]) 1)
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(test (syntax-case '(a) () [(x) #'x]) 'a)
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(test (syntax-case #'(a) () [(x) (syntax->datum #'x)]) 'a)
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(test (syntax-case '(a 1 #f "s" #vu8(9) #(5 7)) ()
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[(x ...) #'(x ...)])
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'(a 1 #f "s" #vu8(9) #(5 7)))
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(test (syntax-case #'(a 1 #f "s" #vu8(9) #(5 7)) ()
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[(x ...) (map syntax->datum #'(x ...))])
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'(a 1 #f "s" #vu8(9) #(5 7)))
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(test (syntax-case '(a b c d) () [(x y . z) #'z]) '(c d))
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(test (syntax-case #'(a b c d) () [(x y . z) (syntax->datum #'z)])
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'(c d))
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(test (syntax-case '(nonesuch 12) (nonesuch) [(nonesuch x) #'x])
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12)
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(test (syntax-case '(different 12) (nonesuch)
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[(nonesuch x) #'x]
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[_ 'other])
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'other)
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(test (syntax-case '(1 2 3 4) ()
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[(1 x ...) #'(x ...)])
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'(2 3 4))
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(test (syntax-case '(1 2 3 4) ()
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[(1 x ... 3 4) #'(x ...)])
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'(2))
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(test (syntax-case '(1 2 3 4) ()
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[(1 x ... 2 3 4) #'(x ...)])
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'())
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(test (syntax-case '(1 2 3 4) ()
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[(1 x ... . y) #'y])
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'())
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(test (syntax-case '(1 2 3 4 . 5) ()
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[(1 x ... . y) #'y])
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'5)
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(test (syntax-case '(1 2 3 4 . 5) ()
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[(1 x ... 4 . y) #'y])
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'5)
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(test (syntax-case '(1 2 3 4 . 5) ()
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[(1 x ... 5 . y) #'y]
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[_ 'no])
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'no)
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(test (syntax-case '#(1 2 3 4) ()
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[#(1 x y 4) (car #'(x y))])
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'2)
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(test (syntax-case '#(1 2 3 4) ()
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[#(1 x y 4) (cadr #'(x y))])
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'3)
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(test (syntax-case '#(1 2 3 4) ()
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[#(1 x y 4) (syntax->datum (cddr #'(x y)))])
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'())
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(test (syntax-case '#(1 2 3 4) ()
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[#(1 2 3 4) 'match])
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'match)
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(test (syntax-case '#(1 2 3 4) ()
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[#(1 x y 4) #'y])
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'3)
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(test (syntax-case '#(1 2 3 4) ()
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[#(1 x ...) #'(x ...)])
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'(2 3 4))
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(test (syntax-case '#(1 2 3 4) ()
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[#(1 x ... 4) #'(x ...)])
|
||||
'(2 3))
|
||||
(test (syntax-case '#(1 2 3 4) ()
|
||||
[#(1 x ... 2 3 4) #'(x ...)])
|
||||
'())
|
||||
(test (syntax-case #'(1) ()
|
||||
[(_) (syntax->datum #'_)])
|
||||
'_)
|
||||
|
||||
(test (identifier? 'x) #f)
|
||||
(test (identifier? #'x) #t)
|
||||
(test (bound-identifier=? #'x #'x) #t)
|
||||
(test (bound-identifier=? #'x #'y) #f)
|
||||
(test (bound-identifier=? #'cons #'kons) #f)
|
||||
(test (free-identifier=? #'x #'x) #t)
|
||||
(test (free-identifier=? #'x #'y) #f)
|
||||
(test (free-identifier=? #'cons #'kons) #t)
|
||||
|
||||
(test (syntax->datum #'1) 1)
|
||||
(test (syntax->datum #'a) 'a)
|
||||
(test (syntax->datum #'(a b)) '(a b))
|
||||
(test (syntax->datum #'(a . b)) '(a . b))
|
||||
|
||||
(test (syntax->datum (datum->syntax #'x 1)) 1)
|
||||
(test (syntax->datum (datum->syntax #'x 'a)) 'a)
|
||||
(test (syntax->datum (datum->syntax #'x '(a b))) '(a b))
|
||||
(test (syntax->datum (datum->syntax #'x '(a . b))) '(a . b))
|
||||
|
||||
(test (symbol? (car (syntax->datum (datum->syntax #'x (list #'id))))) #t)
|
||||
|
||||
(test (map identifier? (generate-temporaries '(1 2 3))) '(#t #t #t))
|
||||
(test (map identifier? (generate-temporaries #'(1 2 3))) '(#t #t #t))
|
||||
(test (map identifier? (generate-temporaries (cons 1 #'(2 3)))) '(#t #t #t))
|
||||
|
||||
(test (cadr (with-syntax ([x 1]
|
||||
[y 2])
|
||||
#'(x y)))
|
||||
2)
|
||||
|
||||
(test (syntax->datum #`(1 2 3)) '(1 2 3))
|
||||
(test (syntax->datum #`1) 1)
|
||||
|
||||
;; Check wrapping:
|
||||
(test (let ([v #`(1 #,(+ 1 1) 3)])
|
||||
(list (pair? v)
|
||||
(syntax->datum (car v))
|
||||
(cadr v)
|
||||
(syntax->datum (cddr v))))
|
||||
'(#t 1 2 (3)))
|
||||
(test (let ([v #`(1 #,@(list (+ 1 1)) 3)])
|
||||
(list (pair? v)
|
||||
(syntax->datum (car v))
|
||||
(cadr v)
|
||||
(syntax->datum (cddr v))))
|
||||
'(#t 1 2 (3)))
|
||||
(test (let ([v #`(1 #,@(list (+ 1 1) (- 8 1)) 3)])
|
||||
(list (pair? v)
|
||||
(syntax->datum (car v))
|
||||
(cadr v)
|
||||
(caddr v)
|
||||
(syntax->datum (cdddr v))))
|
||||
'(#t 1 2 7 (3)))
|
||||
(test (syntax-case '(1 2 3) ()
|
||||
[(x ...) #`(x ...)])
|
||||
'(1 2 3))
|
||||
|
||||
(test (syntax->datum
|
||||
(datum->syntax #'x
|
||||
#`(1 2 (unsyntax 3 4 5) 6)))
|
||||
'(1 2 3 4 5 6))
|
||||
(test (syntax->datum
|
||||
(datum->syntax #'x
|
||||
#`(1 2 (unsyntax-splicing '(3 4) '(5)) 6)))
|
||||
'(1 2 3 4 5 6))
|
||||
|
||||
(test (syntax->datum
|
||||
(datum->syntax #'x
|
||||
#`#(1 2 (unsyntax-splicing '(3 4) '(5)) 6)))
|
||||
'#(1 2 3 4 5 6))
|
||||
|
||||
(test (syntax->datum
|
||||
(datum->syntax #'x
|
||||
#`(1 #`(#,(+ 3 4) #,#,(+ 1 1)))))
|
||||
'(1 #`(#,(+ 3 4) #,2)))
|
||||
|
||||
(test/exn (syntax-violation #f "bad" 7) &syntax)
|
||||
(test/exn (syntax-violation 'form "bad" 7) &syntax)
|
||||
(test/exn (syntax-violation #f "bad" #'7) &syntax)
|
||||
(test/exn (syntax-violation #f "bad" #'7 8) &syntax)
|
||||
(test/exn (syntax-violation #f "bad" #'7 #'8) &syntax)
|
||||
(test/exn (syntax-violation #f "bad" 7 #'8) &syntax)
|
||||
(test/exn (syntax-violation 'form "bad" #'7 #'8) &syntax)
|
||||
(test/exn (syntax-violation 'form "bad" 7 #'8) &syntax)
|
||||
(test/exn (syntax-violation 'form "bad" #'7 8) &syntax)
|
||||
(test/exn (syntax-violation 'form "bad" 7 8) &syntax)
|
||||
|
||||
;;
|
||||
))
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user