+++ /dev/null
-;;;; -*- Mode: LISP; Syntax: ANSI-Common-Lisp; Base: 10 -*-
-;;;; *************************************************************************
-;;;; FILE IDENTIFICATION
-;;;;
-;;;; Name: cmucl-compat.lisp
-;;;; Purpose: Compatiblity library for CMUCL functions
-;;;; Programmer: Kevin M. Rosenberg
-;;;; Date Started: Feb 2002
-;;;;
-;;;; $Id$
-;;;;
-;;;; This file, part of CLSQL, is Copyright (c) 2002-2004 by Kevin M. Rosenberg
-;;;;
-;;;; CLSQL users are granted the rights to distribute and use this software
-;;;; as governed by the terms of the Lisp Lesser GNU Public License
-;;;; (http://opensource.franz.com/preamble.html), also known as the LLGPL.
-;;;; *************************************************************************
-
-(in-package #:cl-user)
-
-(defpackage #:cmucl-compat
- (:use #:common-lisp)
- (:export
- #:shrink-vector
- #:make-sequence-of-type
- #:result-type-or-lose
- #:required-argument
- ))
-(in-package #:cmucl-compat)
-
-#+(or cmu scl)
-(defmacro required-argument ()
- `(ext:required-argument))
-
-#-(or cmu scl)
-(defun required-argument ()
- (error "~&A required keyword argument was not supplied"))
-
-#+(or cmu scl)
-(defmacro shrink-vector (vec len)
- `(lisp::shrink-vector ,vec ,len))
-
-#+sbcl
-(defmacro shrink-vector (vec len)
- `(sb-kernel::shrink-vector ,vec ,len))
-
-#-(or cmu sbcl scl)
-(defmacro shrink-vector (vec len)
- "Shrinks a vector. Optimized if vector has a fill pointer.
-Needs to be a macro to overwrite value of VEC."
- (let ((new-vec (gensym)))
- `(cond
- ((adjustable-array-p ,vec)
- (adjust-array ,vec ,len))
- ((typep ,vec 'simple-array)
- (let ((,new-vec (make-array ,len :element-type
- (array-element-type ,vec))))
- (check-type ,len fixnum)
- (locally (declare (optimize (speed 3) (safety 0) (space 0)) )
- (dotimes (i ,len)
- (declare (fixnum i))
- (setf (aref ,new-vec i) (aref ,vec i))))
- (setq ,vec ,new-vec)))
- ((typep ,vec 'vector)
- (setf (fill-pointer ,vec) ,len)
- ,vec)
- (t
- (error "Unable to shrink vector ~S which is type-of ~S" ,vec (type-of ,vec)))
- )))
-
-
-#-(or cmu scl)
-(defun make-sequence-of-type (type length)
- "Returns a sequence of the given TYPE and LENGTH."
- (make-sequence type length))
-
-#+(or cmu scl)
-(if (fboundp 'lisp::make-sequence-of-type)
- (defun make-sequence-of-type (type len)
- (lisp::make-sequence-of-type type len))
- (defun make-sequence-of-type (type len)
- (common-lisp::make-sequence-of-type type len)))
-
-#-(or cmu scl)
-(defun result-type-or-lose (type nil-ok)
- (unless (or type nil-ok)
- (error "NIL output type invalid for this sequence function"))
- (case type
- ((list cons)
- 'list)
- ((string simple-string base-string simple-base-string)
- 'string)
- (simple-vector
- 'simple-vector)
- (vector
- 'vector)
- (t
- (error "~S is a bad type specifier for sequence functions." type))
- ))
-
-#+(or cmu scl)
-(defun result-type-or-lose (type nil-ok)
- (lisp::result-type-or-lose type nil-ok))