diff options
Diffstat (limited to 'tests/stdlib.lisp')
| -rw-r--r-- | tests/stdlib.lisp | 29 |
1 files changed, 21 insertions, 8 deletions
diff --git a/tests/stdlib.lisp b/tests/stdlib.lisp index 380fa2a..96a55bb 100644 --- a/tests/stdlib.lisp +++ b/tests/stdlib.lisp @@ -2,6 +2,10 @@ (define caddr (x) (car (cdr (cdr x)))) (define cadddr (x) (car (cdr (cdr (cdr x))))) +(define not (x) (if x 0 1)) +(define or (x y) (if x 1 (if y 1 0))) +(define and (x y) (if x (if y 1 0) 0)) + (define YY (recur) (lambda (f) (lambda (a) (f ((recur recur) f) a)))) (define Y (YY YY)) @@ -10,6 +14,10 @@ (do (f start) (for (+ start 1) end f)) '())) +(define stdin (sys-stdin)) +(define stdout (sys-stdout)) +(define stderr (sys-stderr)) + (define with-open-file (path mode f) (let ((fid (sys-open-file mode path))) (let ((value (f fid))) @@ -17,12 +25,17 @@ (sys-close-file fid) value)))) +(define read-until (fid predicate) + (let ((helper (lambdarec rec (s) + (let ((ch (sys-get-char fid))) + (if (predicate ch) s (rec (concat s ch))))))) + (helper ""))) + +(define read-until-eof (fid) + (read-until fid null?)) + (define read-file (path) - (with-open-file path 0 (lambda (fid) - ; (print (sys-get-char fid)) - ; (print (let ((x (lambda (arg) fid))) (x 42))) - (let ((helper (Y (lambda (recur s) - (let ((ch (sys-get-char fid))) - (if (null? ch) s (recur (+ s ch)))))))) - (helper "")) - ))) + (with-open-file path 0 read-until-eof)) + +(define read-line (fid) + (read-until fid (lambda (ch) (or (= ch "\n") (null? ch))))) |