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authorBryan Newbold <bnewbold@robocracy.org>2017-02-20 00:05:28 -0800
committerBryan Newbold <bnewbold@robocracy.org>2017-02-20 00:05:28 -0800
commit87b82b5822ca54228cfa6df29be3ad9d4bc47d16 (patch)
tree1eb4f87abd38bea56e08335d939e8171d5e7bfc7 /scmactst.scm
parentbd9733926076885e3417b74de76e4c9c7bc56254 (diff)
downloadslib-87b82b5822ca54228cfa6df29be3ad9d4bc47d16.tar.gz
slib-87b82b5822ca54228cfa6df29be3ad9d4bc47d16.zip
Import Upstream version 2d2upstream/2d2
Diffstat (limited to 'scmactst.scm')
-rw-r--r--scmactst.scm160
1 files changed, 0 insertions, 160 deletions
diff --git a/scmactst.scm b/scmactst.scm
deleted file mode 100644
index 3b71341..0000000
--- a/scmactst.scm
+++ /dev/null
@@ -1,160 +0,0 @@
-;;;"scmactst.scm" test syntactic closures macros
-;;; From "sc-macro.doc", A Syntactic Closures Macro Facility by Chris Hanson
-
-(define errs '())
-(define test
- (lambda (expect fun . args)
- (write (cons fun args))
- (display " ==> ")
- ((lambda (res)
- (write res)
- (newline)
- (cond ((not (equal? expect res))
- (set! errs (cons (list res expect (cons fun args)) errs))
- (display " BUT EXPECTED ")
- (write expect)
- (newline)
- #f)
- (else #t)))
- (if (procedure? fun) (apply fun args) (car args)))))
-
-(require 'syntactic-closures)
-
-(macro:expand
- '(define-syntax push
- (syntax-rules ()
- ((push item list)
- (set! list (cons item list))))))
-
-(test '(set! foo (cons bar foo)) 'push (macro:expand '(push bar foo)))
-
-(macro:expand
- '(define-syntax push1
- (transformer
- (lambda (exp env)
- (let ((item
- (make-syntactic-closure env '() (cadr exp)))
- (list
- (make-syntactic-closure env '() (caddr exp))))
- `(set! ,list (cons ,item ,list)))))))
-
-(test '(set! foo (cons bar foo)) 'push1 (macro:expand '(push1 bar foo)))
-
-(macro:expand
- '(define-syntax loop
- (transformer
- (lambda (exp env)
- (let ((body (cdr exp)))
- `(call-with-current-continuation
- (lambda (exit)
- (let f ()
- ,@(map (lambda (exp)
- (make-syntactic-closure env '(exit)
- exp))
- body)
- (f)))))))))
-
-(macro:expand
- '(define-syntax let1
- (transformer
- (lambda (exp env)
- (let ((id (cadr exp))
- (init (caddr exp))
- (exp (cadddr exp)))
- `((lambda (,id)
- ,(make-syntactic-closure env (list id) exp))
- ,(make-syntactic-closure env '() init)))))))
-
-(test 93 'let1 (macro:eval '(let1 a 90 (+ a 3))))
-
-(macro:expand
- '(define-syntax loop-until
- (syntax-rules
- ()
- ((loop-until id init test return step)
- (letrec ((loop
- (lambda (id)
- (if test return (loop step)))))
- (loop init))))))
-
-(test (macro:expand '(letrec ((loop (lambda (foo) (if #t 12 (loop 33)))))
- (loop 3)))
- 'loop
- (macro:expand '(loop-until foo 3 #t 12 33)))
-
-(macro:expand
- '(define-syntax loop-until1
- (transformer
- (lambda (exp env)
- (let ((id (cadr exp))
- (init (caddr exp))
- (test (cadddr exp))
- (return (cadddr (cdr exp)))
- (step (cadddr (cddr exp)))
- (close
- (lambda (exp free)
- (make-syntactic-closure env free exp))))
- `(letrec ((loop
- ,(capture-syntactic-environment
- (lambda (env)
- `(lambda (,id)
- (,(make-syntactic-closure env '() `if)
- ,(close test (list id))
- ,(close return (list id))
- (,(make-syntactic-closure env '()
- `loop)
- ,(close step (list id)))))))))
- (loop ,(close init '()))))))))
-
-(test (macro:expand '(letrec ((loop (lambda (foo) (if #t 12 (loop 33)))))
- (loop 3)))
- 'loop1
- (macro:expand '(loop-until1 foo 3 #t 12 33)))
-
-(test '#t 'identifier (identifier? 'a))
-;;; this needs to setup ENV.
-;;;(test '#t 'identifier
-;;; (identifier? (macro:expand (make-syntactic-closure env '() 'a))))
-(test #f 'identifier (identifier? "a"))
-(test #f 'identifier (identifier? #\a))
-(test #f 'identifier (identifier? 97))
-(test #f 'identifier (identifier? #f))
-(test #f 'identifier (identifier? '(a)))
-(test #f 'identifier (identifier? '#(a)))
-
-(test '(#t #f)
- 'syntax
- (macro:eval
- '(let-syntax
- ((foo
- (transformer
- (lambda (form env)
- (capture-syntactic-environment
- (lambda (transformer-env)
- (identifier=? transformer-env 'x env 'x)))))))
- (list (foo)
- (let ((x 3))
- (foo))))))
-
-
-(test '(#f #t)
- 'syntax
- (macro:eval
- '(let-syntax ((bar foo))
- (let-syntax
- ((foo
- (transformer
- (lambda (form env)
- (capture-syntactic-environment
- (lambda (transformer-env)
- (identifier=? transformer-env 'foo
- env (cadr form))))))))
- (list (foo foo)
- (foo bar))))))
-
-(newline)
-(cond ((null? errs) (display "Passed all tests"))
- (else (display "errors were:") (newline)
- (display "(got expected (call))") (newline)
- (for-each (lambda (l) (write l) (newline)) errs)))
-(newline)