From 618cd00c855608b8c4c41380cab40fed1adb260d Mon Sep 17 00:00:00 2001
From: Andrew McCallum <mccallum@gnu.org>
Date: Mon, 10 Apr 1995 00:10:51 +0000
Subject: [PATCH] Initial revision

git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@342 72102866-910b-0410-8b05-ffd578937521
---
 Source/NSAssertionHandler.m | 81 +++++++++++++++++++++++++++++++++++++
 1 file changed, 81 insertions(+)
 create mode 100644 Source/NSAssertionHandler.m

diff --git a/Source/NSAssertionHandler.m b/Source/NSAssertionHandler.m
new file mode 100644
index 000000000..71a6a3c56
--- /dev/null
+++ b/Source/NSAssertionHandler.m
@@ -0,0 +1,81 @@
+/* NSAssertionHandler - Object encapsulation of assertions
+   Copyright (C) 1993,1994 Free Software Foundation, Inc.
+
+   Written by:  Adam Fedor <fedor@boulder.colorado.edu>
+   Date: Apr 1995
+
+   This file is part of the GNU Objective C Class Library.
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+   
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with this library; if not, write to the Free
+   Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+#include <foundation/NSException.h>
+#include <foundation/NSString.h>
+
+@implementation NSAssertionHandler
+
++ (NSAssertionHandler *)currentHandler
+{
+    // FIXME: current handler should come from current thread dictionary
+    static NSAssertionHandler *only_one = nil;
+    
+    if (!only_one)
+    	only_one = [NSAssertionHandler new];
+    return only_one;
+}
+
+- (void)handleFailureInFunction:(NSString *)functionName 
+	file:(NSString *)fileName 
+	lineNumber:(int)line 
+	description:(NSString *)format,...
+{
+    va_list ap;
+
+    va_start(ap, format);
+    // FIXME: should be NSLog
+    fprintf(stderr, "Assertion failed in %s, file %s:%d. ",
+    	[functionName cString], [fileName cString], line);
+    vfprintf(stderr, [format cString], ap);
+    fprintf(stderr, "\n");
+    va_end(ap);
+    
+    [NSException raise:NSInternalInconsistencyException
+    	format:@"Assertion failed in %s", [functionName cString]];
+    /* NOT REACHED */
+}
+
+- (void)handleFailureInMethod:(SEL)aSelector 
+	object:object 
+	file:(NSString *)fileName 
+	lineNumber:(int)line 
+	description:(NSString *)format,...
+{
+    va_list ap;
+
+    va_start(ap, format);
+    // FIXME: should be NSLog
+    fprintf(stderr, "Assertion failed in %s, method %s, file %s:%d. ",
+    	object_get_class_name(object), sel_get_name(aSelector),
+	[fileName cString], line);
+    vfprintf(stderr, [format cString], ap);
+    fprintf(stderr, "\n");
+    va_end(ap);
+    
+    [NSException raise:NSInternalInconsistencyException
+    	format:@"Assertion failed in %s, method %s",
+	    	object_get_class_name(object), sel_get_name(aSelector)];
+    /* NOT REACHED */
+}
+
+@end