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3imp.scm
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3imp.scm
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#!/usr/local/bin/gosh
(use file.util)
(use gauche.parseopt)
(require "./4.7")
(define (compile-file fn)
(map (lambda (sexp)
(comp sexp 0))
(file->sexp-list fn)))
(define (run-code code)
(dolist (x code)
(run x 0)))
(define (dofile srcfn)
(dolist (sexp (file->sexp-list srcfn))
(evaluate sexp)))
(define (dostring str)
(evaluate (read-from-string str)))
(define (write-compiled-code codes)
(dolist (x codes)
(write/ss x)
(newline)))
(define (run-file srcfn)
(run-code (file->sexp-list srcfn)))
(define (run-repl)
(until (read) eof-object? => code
(run code 0)))
(define (usage)
(print "3imp scheme compiler.")
(print "usage: 3imp [options] srcfn ...")
(print "options:")
(print " -h,--help disp help")
(print " -c,--compile compile only")
(print " -r,--run run compiled code")
(print " -e,--evaluate evaluate string, write and exit")
)
(define (main args)
(let-args (cdr args)
((help? "h|help")
(compile-only? "c|compile")
(run? "r|run")
(estr "e|evaluate=s")
. restargs)
(cond (help? (usage))
(compile-only?
(if estr
(write-compiled-code (list (comp (read-from-string estr) 0)))
(dolist (srcfn restargs)
(let ((codes (compile-file srcfn)))
(write-compiled-code codes)))))
(estr (dostring estr))
((null? restargs)
(if run?
(run-repl)
(repl)))
(else
(let ((srcfn (car restargs))
(realargs (cdr restargs)))
(cond (run? (run-file srcfn))
(else (dofile srcfn)))
(let ((main (refer-global 'main (lambda () #f))))
(when main
(vm-apply 0 main (list realargs))))))))
0)