;;;; Programmer: Kevin M. Rosenberg
;;;; Date Started: Apr 2000
;;;;
-;;;; $Id: genutils.lisp,v 1.10 2002/11/08 06:43:34 kevin Exp $
+;;;; $Id: genutils.lisp,v 1.13 2002/12/14 18:51:53 kevin Exp $
;;;;
;;;; This file, part of KMRCL, is Copyright (c) 2002 by Kevin M. Rosenberg
;;;;
(in-package :kmrcl)
(declaim (optimize (speed 3) (safety 1) (compilation-speed 0) (debug 3)))
-(defmacro bind-when ((bind-var boundForm) &body body)
- `(let ((,bind-var ,boundForm))
- (declare (ignore-if-unused ,bind-var))
- (when ,bind-var
- ,@body)))
+(defmacro let-when ((var test-form) &body body)
+ `(let ((,var ,test-form))
+ (when ,var ,@body)))
-(defmacro bind-if ((bind-var boundForm) yup &optional nope)
- `(let ((,bind-var ,boundForm))
- (if ,bind-var
- ,yup
- ,nope)))
+(defmacro let-if ((var test-form) if-true &optional if-false)
+ `(let ((,var ,test-form))
+ (if ,var ,if-true ,if-false)))
;; Anaphoric macros
(if val (push val acc))))
(nreverse acc)))
+(defun appendnew (l1 l2)
+ "Append two lists, filtering out elem from second list that are already in first list"
+ (dolist (elem l2)
+ (unless (find elem l1)
+ (setq l1 (append l1 (list elem)))))
+ l1)
;; Functions
(terpri ostrm)))
-;;; Symbol functions
-
-(defmacro concat-symbol (&rest args)
- `(intern (concatenate 'string ,@args)))
-
-(defmacro concat-symbol-pkg (pkg &rest args)
- `(intern (concatenate 'string ,@args) ,pkg))
-
-
;;; IO