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defining load on source files in scheme

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Alex Shinn 2013-02-11 15:22:06 +09:00
parent 20c62ffe4a
commit c468e328a5
2 changed files with 22 additions and 1 deletions
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21
lib/init-7.scm
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@ -956,6 +956,27 @@
(let ((thunk (compile x (if (pair? o) (car o) (interaction-environment)))))
(if (procedure? thunk) (thunk) (raise thunk))))
(define (load base . o)
(let* ((env (if (pair? o) (car o) (interaction-environment)))
(file (find-module-file base))
(len (and file (string-length file)))
(ext *shared-object-extension*)
(ext-len (string-length ext)))
(cond
((not file)
(error "couldn't find file" base))
((and (> len ext-len 0) (equal? ext (substring file (- len ext-len))))
(%load file env))
(else
(call-with-input-file file
(lambda (in)
(let lp ()
(let ((x (read in)))
(cond
((not (eof-object? x))
(eval x env)
(lp)))))))))))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; promises

2
opcodes.c
View file

@ -167,7 +167,7 @@ _FN0(_I(SEXP_ENV), "make-environment", 0, sexp_make_env_op),
_FN1(_I(SEXP_ENV), _I(SEXP_FIXNUM), "null-environment", 0, sexp_make_null_env_op),
_FN1(_I(SEXP_ENV), _I(SEXP_FIXNUM), "scheme-report-environment", 0, sexp_make_standard_env_op),
_FN2OPTP(_I(SEXP_OBJECT), _I(SEXP_OBJECT), _I(SEXP_ENV), "compile", (sexp)"interaction-environment", sexp_compile_op),
_FN2OPTP(SEXP_VOID, _I(SEXP_STRING), _I(SEXP_ENV), "load", (sexp)"interaction-environment", sexp_load_op),
_FN2OPTP(SEXP_VOID, _I(SEXP_STRING), _I(SEXP_ENV), "%load", (sexp)"interaction-environment", sexp_load_op),
_FN4(SEXP_VOID, _I(SEXP_ENV), _I(SEXP_ENV), _I(SEXP_OBJECT), "%import", 0, sexp_env_import_op),
_FN2OPTP(SEXP_VOID, _I(SEXP_EXCEPTION), _I(SEXP_OPORT), "print-exception", (sexp)"current-error-port", sexp_print_exception_op),
_FN1OPTP(SEXP_VOID, _I(SEXP_OPORT), "print-stack-trace", (sexp)"current-error-port", sexp_stack_trace_op),