Initial revision

git-svn-id: svn://bknr.net/svn/trunk/thirdparty/cl-ppcre@12 4281704c-cde7-0310-8518-8e2dc76b1ff0

errors.lisp

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+;;; -*- Mode: LISP; Syntax: COMMON-LISP; Package: CL-PPCRE-LISP; Base: 10 -*-
+;;; $Header: /home/manuel/bknr-cvs/cvs/thirdparty/cl-ppcre/errors.lisp,v 1.1 2004/06/23 08:27:10 hans Exp $
+
+;;; Copyright (c) 2002-2003, Dr. Edmund Weitz. All rights reserved.
+
+;;; Redistribution and use in source and binary forms, with or without
+;;; modification, are permitted provided that the following conditions
+;;; are met:
+
+;;;   * Redistributions of source code must retain the above copyright
+;;;     notice, this list of conditions and the following disclaimer.
+
+;;;   * Redistributions in binary form must reproduce the above
+;;;     copyright notice, this list of conditions and the following
+;;;     disclaimer in the documentation and/or other materials
+;;;     provided with the distribution.
+
+;;; THIS SOFTWARE IS PROVIDED BY THE AUTHOR 'AS IS' AND ANY EXPRESSED
+;;; OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+;;; WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+;;; ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+;;; DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+;;; DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+;;; GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+;;; INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+;;; WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+;;; NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+;;; SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+(in-package #:cl-ppcre)
+
+(defvar *syntax-error-string* nil
+  "The string which caused the syntax error.")
+
+(define-condition ppcre-error (simple-error)
+  ()
+  (:documentation "All errors signaled by CL-PPCRE are of
+this type."))
+
+(define-condition ppcre-syntax-error (ppcre-error)
+  ((string :initarg :string
+           :reader ppcre-syntax-error-string)
+   (pos :initarg :pos
+        :reader ppcre-syntax-error-pos))
+  (:default-initargs
+      :pos nil
+      :string *syntax-error-string*)
+  (:report (lambda (condition stream)
+             (format stream "~?~@[ at position ~A~]~@[ in string ~S~]"
+                     (simple-condition-format-control condition)
+                     (simple-condition-format-arguments condition)
+                     (ppcre-syntax-error-pos condition)
+                     (ppcre-syntax-error-string condition)))))
+
+(define-condition ppcre-invocation-error (ppcre-error)
+  ()
+  (:documentation "Signaled when CL-PPCRE functions are
+invoked with wrong arguments."))
+
+(defmacro signal-ppcre-syntax-error* (pos format-control &rest format-arguments)
+  `(error 'ppcre-syntax-error
+          :pos ,pos
+          :format-control ,format-control
+          :format-arguments (list ,@format-arguments)))
+
+(defmacro signal-ppcre-syntax-error (format-control &rest format-arguments)
+  `(signal-ppcre-syntax-error* nil ,format-control ,@format-arguments))
+
+(defmacro signal-ppcre-invocation-error (format-control &rest format-arguments)
+  `(error 'ppcre-invocation-error
+          :format-control ,format-control
+          :format-arguments (list ,@format-arguments)))