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https://github.com/justinethier/cyclone.git
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Added unit tests
This commit is contained in:
Justin Ethier
parent
bf9591c451
commit
7710bbfd9d
1 changed files with 206 additions and 172 deletions
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@ -1,175 +1,209 @@
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(import (scheme base) (scheme write) (scheme cyclone pretty-print))
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(import
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(scheme base)
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(scheme write)
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(scheme cyclone test)
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(scheme cyclone pretty-print))
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(write
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((lambda (x) x) 1))
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(define (output sexp)
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(write sexp)
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(newline))
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(test-group
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"basic lambda bindings"
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(test 1 ((lambda (x) x) 1)))
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(test-group
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"macro hygiene"
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(test
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'outer
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(let ((x 'outer))
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(let-syntax ((m (syntax-rules () ((m) x))))
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(let ((x 'inner))
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(m)))) ;; Should be outer
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)
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(test
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'outer
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(let ((x 'outer))
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(letrec-syntax ((m (syntax-rules () ((m) x))))
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(let ((x 'inner))
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(m)))) ;; Should be outer
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)
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(test
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'outer
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(let ((x 'outer))
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(define-syntax m ;; Testing this out, but let-syntax needs to work, too
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(syntax-rules () ((m) x)))
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(let ((x 'inner))
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(m))) ;; Should be outer
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)
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(test
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'now
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(let-syntax ((given-that (syntax-rules ()
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((given-that test stmt1 stmt2 ...)
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(if test
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(begin stmt1
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stmt2 ...))))))
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(let ((if #t))
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(given-that if (set! if 'now))
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if))) ;; => now
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#;(test
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7
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(let ((x #f)
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(y 7)
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(temp 8)
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(my-let odd?)
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(if even?))
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(or x (my-let temp) (if y) y))) ;; ==> 7
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)
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;; ;;;; Just testing, may want to remove this one once the recursive macro expansion works
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;; ;;; (define-syntax my-or2 (syntax-rules ()
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;; ;;; ((my-or2) #f)
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;; ;;; ((my-or2 e) e)
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;; ;;; ((my-or2 e1 e2 ...)
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;; ;;; (let ((temp e1)) (if temp temp (my-or2 e2 ...))))))
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;; ;;;(write (my-or2 #t))
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;; ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; ;;
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;; ;;; (define-syntax my-or (syntax-rules ()
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;; ;;; ((my-or) #f)
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;; ;;; ((my-or e) e)
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;; ;;; ((my-or e1 e2 ...)
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;; ;;; (let ((temp e1)) (if temp temp (my-or e2 ...))))))
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;; ;;; (write
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;; ;;; (let ((x #f)
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;; ;;; (y 7)
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;; ;;; (temp 8)
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;; ;;; (my-let odd?)
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;; ;;; (my-if even?))
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;; ;;; (my-or x (my-let temp) (my-if y) y))) ;; ==> 7
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;; ;;;
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;; ;;; (define-syntax foo (syntax-rules ()
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;; ;;; ((_ b)
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;; ;;; (bar a b))))
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;; ;;; (define-syntax bar (syntax-rules () ((_ c d)
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;; ;;; (cons c (let ((c 3))
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;; ;;; (list d c 'c))))))
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;; ;;; (write
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;; ;;; (let ((a 2))
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;; ;;; (foo a)))
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;; ;;
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;; ;;;; Chibi also fails with the same error when this is a let-synatx macro,
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;; ;;;; so it may be that Cyclone works just fine here! Obviously it needs
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;; ;;;; to be able to handle this macro in letrec-syntax form, though
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;; ;;#;(let-syntax
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;; ;; ((my-or (syntax-rules ()
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;; ;; ((my-or) #f)
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;; ;; ((my-or e) e)
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;; ;; ((my-or e1 e2 ...)
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;; ;; (let ((temp e1)) (if temp temp (my-or e2 ...)))))))
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;; ;; (let ((x #f)
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;; ;; (y 7)
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;; ;; (temp 8)
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;; ;; (my-let odd?)
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;; ;; (my-if even?))
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;; ;; (my-or x (my-let temp) (my-if y) y))) ;; ==> 7
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;; ;;
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;; ;;;; TODO: below should work with "let" and "if" instead of "my-let" and "my-if"
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;; ;;;; TODO: below does not work in eval - WTF?
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;; (output
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;; (letrec-syntax
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;; ((my-or (syntax-rules ()
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;; ((my-or) #f)
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;; ((my-or e) e)
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;; ((my-or e1 e2 ...)
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;; (let ((temp e1)) (if temp temp (my-or e2 ...)))))))
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;; (let ((x #f)
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;; (y 7)
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;; (temp 8)
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;; (my-let odd?)
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;; (my-if even?))
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;; (my-or x (my-let temp) (my-if y) y))) ;; ==> 7
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;; )
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;;
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;; ;;
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;; ;;;; From Chibi - isn't this a bug though?
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;; ;;;(write
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;; ;;;(let ()
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;; ;;; (letrec-syntax ()
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;; ;;; (define internal-def 'ok))
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;; ;;; internal-def)
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;; ;;;)
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(test-group
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"pitfalls and corner cases"
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;; ;;;; From Husk:
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;; ;;;;
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;; ;;; Examples from the source to R5RS pitfall 3.3
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;; ;;;; (assert/equal
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(test
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'(1 2 3 a$273)
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;'(1 2 3 a)
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(let ((a 1))
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(letrec-syntax
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((foo (syntax-rules ()
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((_ b)
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(bar a b))))
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(bar (syntax-rules ()
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((_ c d)
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(cons c (let ((c 3))
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(list d c 'c)))))))
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(let ((a 2))
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(foo a)))))
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(write
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(let ((x 'outer))
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(let-syntax ((m (syntax-rules () ((m) x))))
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(let ((x 'inner))
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(m)))) ;; Should be outer
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)
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;;;; Just testing, may want to remove this one once the recursive macro expansion works
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;;; (define-syntax my-or2 (syntax-rules ()
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;;; ((my-or2) #f)
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;;; ((my-or2 e) e)
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;;; ((my-or2 e1 e2 ...)
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;;; (let ((temp e1)) (if temp temp (my-or2 e2 ...))))))
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;;;(write (my-or2 #t))
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;
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;;; (define-syntax my-or (syntax-rules ()
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;;; ((my-or) #f)
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;;; ((my-or e) e)
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;;; ((my-or e1 e2 ...)
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;;; (let ((temp e1)) (if temp temp (my-or e2 ...))))))
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;;; (write
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;;; (let ((x #f)
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;;; (y 7)
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;;; (temp 8)
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;;; (my-let odd?)
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;;; (my-if even?))
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;;; (my-or x (my-let temp) (my-if y) y))) ;; ==> 7
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;;;
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;;; (define-syntax foo (syntax-rules ()
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;;; ((_ b)
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;;; (bar a b))))
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;;; (define-syntax bar (syntax-rules () ((_ c d)
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;;; (cons c (let ((c 3))
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;;; (list d c 'c))))))
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;;; (write
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;;; (let ((a 2))
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;;; (foo a)))
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;;
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;;;; Chibi also fails with the same error when this is a let-synatx macro,
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;;;; so it may be that Cyclone works just fine here! Obviously it needs
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;;;; to be able to handle this macro in letrec-syntax form, though
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;;#;(let-syntax
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;; ((my-or (syntax-rules ()
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;; ((my-or) #f)
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;; ((my-or e) e)
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;; ((my-or e1 e2 ...)
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;; (let ((temp e1)) (if temp temp (my-or e2 ...)))))))
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;; (let ((x #f)
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;; (y 7)
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;; (temp 8)
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;; (my-let odd?)
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;; (my-if even?))
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;; (my-or x (my-let temp) (my-if y) y))) ;; ==> 7
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;;
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;;;; TODO: below should work with "let" and "if" instead of "my-let" and "my-if"
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;;;; TODO: below does not work in eval - WTF?
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;;(write
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;;(letrec-syntax
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;; ((my-or (syntax-rules ()
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;; ((my-or) #f)
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;; ((my-or e) e)
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;; ((my-or e1 e2 ...)
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;; (let ((temp e1)) (if temp temp (my-or e2 ...)))))))
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;; (let ((x #f)
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;; (y 7)
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;; (temp 8)
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;; (my-let odd?)
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;; (my-if even?))
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;; (my-or x (my-let temp) (my-if y) y))) ;; ==> 7
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;;)
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;;
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;;
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;;;; From Chibi - isn't this a bug though?
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;;;(write
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;;;(let ()
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;;; (letrec-syntax ()
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;;; (define internal-def 'ok))
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;;; internal-def)
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;;;)
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;;
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;;;; From Husk:
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;;;;
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;;; Examples from the source to R5RS pitfall 3.3
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;;;; (assert/equal
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;;;; (let ((a 1))
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;;;; (letrec-syntax
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;;;; ((foo (syntax-rules ()
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;;;; ((_ b)
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;;;; (bar a b))))
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;;;; (bar (syntax-rules ()
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;;;; ((_ c d)
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;;;; (cons c (let ((c 3))
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;;;; (list d c 'c)))))))
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;;;; (let ((a 2))
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;;;; (foo a))))
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;;;; '(1 2 3 a))
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;;;;
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;;;; ; Examples from/based on pitfall 8.3 (assert/equal 1
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;;;; (let ((x 1))
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;;;; (let-syntax ((foo (syntax-rules () ((_) 2))))
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;;;; (define x (foo))
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;;;; 3)
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;;;; x))
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;;;; (assert/equal 1
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;;;; (let ((x 1))
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;;;; (letrec-syntax ((foo (syntax-rules () ((_) 2)))) (define x (foo))
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;;;; 3)
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;;;; x))
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;;;;
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;;;; ; Issue #151 - Preserve hygiene across syntax-rules and ER macros
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;;;; (assert/equal
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;;;; (let ((unquote 'foo)) `(,'bar))
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;;;; '(,'bar))
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;;
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;;
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;;#;(let ((a 1))
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;; (let-syntax
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;; ;;(letrec-syntax
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;; ((foo (syntax-rules ()
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;; ((_ b)
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;; (bar a b))))
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;; (bar (syntax-rules () ((_ c d)
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;; (cons c (let ((c 3))
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;; (list d c 'c)))))))
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;; (let ((a 2))
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;; (foo a))))
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;;
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;;
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;;(define-syntax my-let
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;; (syntax-rules
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;; ()
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;; ((my-let ((name val) ...) body1 body2 ...)
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;; ((lambda (name ...) body1 body2 ...) val ...))
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;; ((my-let tag ((name val) ...) body1 body2 ...)
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;; ((letrec ((tag (lambda (name ...) body1 body2 ...)))
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;; tag)
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;; val ...))))
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;;(write
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;;(my-let ((x 'outer))
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;; (let-syntax ((m (syntax-rules () ((m) x))))
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;; (my-let ((x 'inner))
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;; (m)))) ;; Should be outer
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;; )
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;;
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;;
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;;;; (let-syntax ((given-that (syntax-rules ()
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;;;; ((given-that test stmt1 stmt2 ...)
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;;;; (if test
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;;;; (begin stmt1
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;;;; stmt2 ...))))))
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;;;; (let ((if #t))
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;;;; (given-that if (set! if 'now))
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;;;; if)) ;; => now
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;;
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;;(write
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;;(let ((x 'outer))
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;; (let-syntax ((m (syntax-rules () ((m) x))))
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;; (let ((x 'inner))
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;; (m)))) ;; Should be outer
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;; )
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;;
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;;;(write
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;;;(let ((x 'outer))
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;;; (define-syntax m ;; Testing this out, but let-syntax needs to work, too
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;;; (syntax-rules () ((m) x)))
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;;; (let ((x 'inner))
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;;; (m))) ;; Should be outer
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;;; )
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;;;
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;;;(write (m)) ;; Should be an error, of course
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(test
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1
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(let ((x 1))
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(let-syntax ((foo (syntax-rules () ((_) 2))))
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(define x (foo))
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3)
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x))
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(test
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1
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(let ((x 1))
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(letrec-syntax ((foo (syntax-rules () ((_) 2)))) (define x (foo))
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3)
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x))
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;;;; ; Issue #151 - Preserve hygiene across syntax-rules and ER macros
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(test
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'((unquote (quote bar)))
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(let ((unquote 'foo)) `(,'bar))
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'(,'bar))
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)
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;; ;;
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;; ;;#;(let ((a 1))
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;; ;; (let-syntax
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;; ;; ;;(letrec-syntax
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;; ;; ((foo (syntax-rules ()
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;; ;; ((_ b)
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;; ;; (bar a b))))
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;; ;; (bar (syntax-rules () ((_ c d)
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;; ;; (cons c (let ((c 3))
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;; ;; (list d c 'c)))))))
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;; ;; (let ((a 2))
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;; ;; (foo a))))
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;; ;;
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;; ;;
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;; ;;(define-syntax my-let
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;; ;; (syntax-rules
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;; ;; ()
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;; ;; ((my-let ((name val) ...) body1 body2 ...)
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;; ;; ((lambda (name ...) body1 body2 ...) val ...))
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;; ;; ((my-let tag ((name val) ...) body1 body2 ...)
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;; ;; ((letrec ((tag (lambda (name ...) body1 body2 ...)))
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;; ;; tag)
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;; ;; val ...))))
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;; ;;(write
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;; ;;(my-let ((x 'outer))
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;; ;; (let-syntax ((m (syntax-rules () ((m) x))))
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;; ;; (my-let ((x 'inner))
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;; ;; (m)))) ;; Should be outer
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;; ;; )
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;; ;;
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;; ;;
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(test-exit)
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