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