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2.3 KiB

;;;; b i g l o o . s t k -- Bigloo compatibility file
;;;; Copyright © 1997-1999 Erick Gallesio - I3S-CNRS/ESSI <>
;;;; Permission to use, copy, modify, distribute,and license this
;;;; software and its documentation for any purpose is hereby granted,
;;;; provided that existing copyright notices are retained in all
;;;; copies and that this notice is included verbatim in any
;;;; distributions. No written agreement, license, or royalty fee is
;;;; required for any of the authorized uses.
;;;; This software is provided ``AS IS'' without express or implied
;;;; warranty.
;;;; Author: Erick Gallesio []
;;;; Creation date: 28-Oct-1997 11:09
;;;; Last file update: 3-Sep-1999 19:49 (eg)
;;; define-inline
(define-macro (define-inline args . body)
`(define-macro ,args
(list (lambda ,(copy-tree (cdr args)) ,@body) ,@(cdr args))))
This definition works but is not more efficient than not inlining the function
(since it calls in fact an internal lambda)
(define define-inline define)
;;; labels
(define-macro (labels bindings . body)
(define (expand binding)
(when (< (length binding) 3)
(error "labels: bad binding ~S" binding))
`(,(car binding) (lambda ,(cadr binding) ,@(cddr binding))))
`(letrec ,(map expand bindings)
;;; A macro for parsing the Bigloo MODULE directive
;;; This macro has been written for the MATCH-CASE and MATCH-LAMBDA
;;; primitives.
;;; Alas, the problem is that we don't have match-case here :-)
(define-macro (module name . clauses)
(define (import-directive x)
`(import ,@(map (lambda (x) (if (pair? x) (car x) x)) x)))
(define (export-directive x)
`(export ,@(map (lambda (x)
(if (pair? x)
( (if (eq? (car x) 'inline) cadr car) x)
(define-module ,name
,@(map (lambda (clause)
(case (car clause)
((export) (export-directive (cdr clause)))
((import) (import-directive (cdr clause)))
((use) '())
(else (error "module" "Unknown clause" (cons name clause)))))
(define error bigloo:error))
(select-module ,name)))
;;; Error
(define (bigloo:error proc msg obj)
(error "~A: ~A ~S" proc msg obj))
(define-module __error)
(provide "bigloo")