76 lines
2.9 KiB
Scheme
76 lines
2.9 KiB
Scheme
;;; Ikarus Scheme -- A compiler for R6RS Scheme.
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;;; Copyright (C) 2006,2007 Abdulaziz Ghuloum
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;;;
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;;; This program is free software: you can redistribute it and/or modify
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;;; it under the terms of the GNU General Public License version 3 as
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;;; published by the Free Software Foundation.
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;;;
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;;; This program is distributed in the hope that it will be useful, but
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;;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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;;; General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU General Public License
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;;; along with this program. If not, see <http://www.gnu.org/licenses/>.
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;;; this is here to test that we can import things from other
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;;; libraries within the compiler itself.
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(library (ikarus greeting)
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(export print-greeting)
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(import (ikarus))
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(letrec-syntax ([compile-time-string (lambda (x) (date-string))])
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(define (print-greeting)
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(printf "Ikarus Scheme (Build ~a)\n" (compile-time-string))
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(display "Copyright (c) 2006-2007 Abdulaziz Ghuloum\n\n"))))
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;;; Finally, we're ready to evaluate the files and enter the cafe.
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(library (ikarus main)
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(export)
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(import (ikarus)
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(ikarus greeting)
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(only (ikarus load) load-r6rs-top-level))
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(let-values ([(files script script-type args)
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(let f ([args (command-line-arguments)])
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(cond
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[(null? args) (values '() #f #f '())]
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[(string=? (car args) "--")
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(values '() #f #f (cdr args))]
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[(string=? (car args) "--script")
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(let ([d (cdr args)])
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(cond
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[(null? d)
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(error #f "--script requires a script name")]
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[else
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(values '() (car d) 'script (cdr d))]))]
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[(string=? (car args) "--r6rs-script")
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(let ([d (cdr args)])
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(cond
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[(null? d)
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(error #f "--r6rs-script requires a script name")]
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[else
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(values '() (car d) 'r6rs-script (cdr d))]))]
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[else
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(let-values ([(f* script script-type a*) (f (cdr args))])
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(values (cons (car args) f*) script script-type a*))]))])
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(cond
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[(eq? script-type 'r6rs-script)
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(command-line-arguments (cons script args))
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(load-r6rs-top-level script)
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(exit 0)]
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[(eq? script-type 'script) ; no greeting, no cafe
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(command-line-arguments (cons script args))
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(for-each load files)
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(load script)
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(exit 0)]
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[else
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(print-greeting)
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(command-line-arguments (cons "*interactive*" args))
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(for-each load files)
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(new-cafe)
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(exit 0)])))
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