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115 lines
3.4 KiB
Objective-C
115 lines
3.4 KiB
Objective-C
/** NSAssertionHandler - Object encapsulation of assertions
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Copyright (C) 1995, 1997 Free Software Foundation, Inc.
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Written by: Adam Fedor <fedor@boulder.colorado.edu>
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Date: Apr 1995
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This file is part of the GNUstep Base Library.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free
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Software Foundation, Inc., 31 Milk Street #960789 Boston, MA 02196 USA.
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<title>NSAssertionHandler class reference</title>
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$Date$ $Revision$
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*/
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#import "common.h"
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#import "Foundation/NSException.h"
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#import "Foundation/NSDictionary.h"
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#import "Foundation/NSThread.h"
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@implementation NSAssertionHandler
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/* Key for thread dictionary. */
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NSString *const NSAssertionHandlerKey = @"NSAssertionHandler";
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/**
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* Returns the assertion handler object for the current thread.<br />
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* If none exists, creates one and returns it.
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*/
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+ (NSAssertionHandler*) currentHandler
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{
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NSMutableDictionary *dict;
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NSAssertionHandler *handler;
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dict = GSCurrentThreadDictionary();
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handler = [dict objectForKey: NSAssertionHandlerKey];
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if (handler == nil)
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{
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handler = [[NSAssertionHandler alloc] init];
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[dict setObject: handler forKey: NSAssertionHandlerKey];
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RELEASE(handler);
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}
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return handler;
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}
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/**
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* Handles an assertion failure by using NSLogv() to print an error
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* message built from the supplied arguments, and then raising an
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* NSInternalInconsistencyException
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*/
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- (void) handleFailureInFunction: (NSString*)functionName
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file: (NSString*)fileName
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lineNumber: (NSInteger)line
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description: (NSString*)format,...
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{
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id message;
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va_list ap;
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va_start(ap, format);
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message =
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[NSString
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stringWithFormat: @"%@:%"PRIdPTR" Assertion failed in %@. %@",
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fileName, line, functionName, format];
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NSLogv(message, ap);
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[NSException raise: NSInternalInconsistencyException
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format: message arguments: ap];
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va_end(ap);
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GS_UNREACHABLE();
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/* NOT REACHED */
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}
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/**
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* Handles an assertion failure by using NSLogv() to print an error
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* message built from the supplied arguments, and then raising an
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* NSInternalInconsistencyException
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*/
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- (void) handleFailureInMethod: (SEL) aSelector
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object: object
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file: (NSString *) fileName
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lineNumber: (NSInteger) line
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description: (NSString *) format,...
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{
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id message;
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va_list ap;
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va_start(ap, format);
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message =
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[NSString stringWithFormat:
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@"%@:%"PRIdPTR" Assertion failed in %@(%@), method %@. %@",
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fileName, line, NSStringFromClass([object class]),
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class_isMetaClass([object class]) ? @"class" : @"instance",
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NSStringFromSelector(aSelector), format];
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NSLogv(message, ap);
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[NSException raise: NSInternalInconsistencyException
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format: message arguments: ap];
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va_end(ap);
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/* NOT REACHED */
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GS_UNREACHABLE();
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}
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@end
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