ikarus/src/ikarus.load.ss

32 lines
874 B
Scheme

(library (ikarus load)
(export load)
(import
(except (ikarus) load)
(only (ikarus syntax) eval-top-level)
(only (ikarus reader) read-initial))
(define load-handler
(lambda (x)
(eval-top-level x)))
(define read-and-eval
(lambda (p eval-proc)
(let ([x (read p)])
(unless (eof-object? x)
(eval-proc x)
(read-and-eval p eval-proc)))))
(define load
(case-lambda
[(x) (load x load-handler)]
[(x eval-proc)
(unless (string? x)
(error 'load "~s is not a string" x))
(unless (procedure? eval-proc)
(error 'load "~s is not a procedure" eval-proc))
(let ([p (open-input-file x)])
(let ([x (read-initial p)])
(unless (eof-object? x)
(eval-proc x)
(read-and-eval p eval-proc)))
(close-input-port p))])))