+++ /dev/null
-/*
- * Copyright (c) 1999-2003, 2005-2007 Apple Inc. All Rights Reserved.
- *
- * @APPLE_LICENSE_HEADER_START@
- *
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
- *
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
- *
- * @APPLE_LICENSE_HEADER_END@
- */
-/*
- * objc-errors.m
- * Copyright 1988-2001, NeXT Software, Inc., Apple Computer, Inc.
- */
-
-#include "objc-private.h"
-
-#if TARGET_OS_WIN32
-
-#include <conio.h>
-
-PRIVATE_EXTERN void _objc_inform_on_crash(const char *fmt, ...)
-{
-}
-
-PRIVATE_EXTERN void _objc_inform(const char *fmt, ...)
-{
- va_list args;
- va_start(args, fmt);
- _vcprintf(fmt, args);
- va_end(args);
- _cprintf("\n");
-}
-
-PRIVATE_EXTERN void _objc_fatal(const char *fmt, ...)
-{
- va_list args;
- va_start(args, fmt);
- _vcprintf(fmt, args);
- va_end(args);
- _cprintf("\n");
-
- abort();
-}
-
-PRIVATE_EXTERN void __objc_error(id rcv, const char *fmt, ...)
-{
- va_list args;
- va_start(args, fmt);
- _vcprintf(fmt, args);
- va_end(args);
-
- abort();
-}
-
-PRIVATE_EXTERN void _objc_error(id rcv, const char *fmt, va_list args)
-{
- _vcprintf(fmt, args);
-
- abort();
-}
-
-#else
-
-
-OBJC_EXPORT void (*_error)(id, const char *, va_list);
-
-static void _objc_trap(void) __attribute__((noreturn));
-
-// Add "message" to any forthcoming crash log.
-static void _objc_crashlog(const char *message)
-{
- char *newmsg;
-
-#if 0
- {
- // for debugging at BOOT time.
- extern char **_NSGetProgname(void);
- FILE *crashlog = fopen("/_objc_crash.log", "a");
- setbuf(crashlog, NULL);
- fprintf(crashlog, "[%s] %s\n", *_NSGetProgname(), message);
- fclose(crashlog);
- sync();
- }
-#endif
-
- static mutex_t crashlog_lock = MUTEX_INITIALIZER;
- mutex_lock(&crashlog_lock);
-
- char *oldmsg = (char *)CRGetCrashLogMessage();
-
- if (!oldmsg) {
- newmsg = strdup(message);
- } else {
- asprintf(&newmsg, "%s\n%s", oldmsg, message);
- }
-
- if (newmsg) {
- // Strip trailing newline
- char *c = &newmsg[strlen(newmsg)-1];
- if (*c == '\n') *c = '\0';
-
- if (oldmsg) free(oldmsg);
- CRSetCrashLogMessage(newmsg);
- }
-
- mutex_unlock(&crashlog_lock);
-}
-
-// Print "message" to the console.
-static void _objc_syslog(const char *message)
-{
- if (fcntl(STDERR_FILENO, F_GETFL, 0) != -1) {
- // stderr is open - use it
- write(STDERR_FILENO, message, strlen(message));
- if (message[strlen(message)-1] != '\n') {
- write(STDERR_FILENO, "\n", 1);
- }
- } else {
- syslog(LOG_ERR, "%s", message);
- }
-}
-
-/*
- * _objc_error is the default *_error handler.
- */
-#if __OBJC2__
-PRIVATE_EXTERN __attribute__((noreturn))
-#else
-// used by ExceptionHandling.framework
-#endif
-void _objc_error(id self, const char *fmt, va_list ap)
-{
- char *buf1;
- char *buf2;
-
- vasprintf(&buf1, fmt, ap);
- asprintf(&buf2, "objc[%d]: %s: %s\n",
- getpid(), object_getClassName(self), buf1);
- _objc_syslog(buf2);
- _objc_crashlog(buf2);
-
- _objc_trap();
-}
-
-/*
- * this routine handles errors that involve an object (or class).
- */
-PRIVATE_EXTERN void __objc_error(id rcv, const char *fmt, ...)
-{
- va_list vp;
-
- va_start(vp,fmt);
-#if !__OBJC2__
- (*_error)(rcv, fmt, vp);
-#endif
- _objc_error (rcv, fmt, vp); /* In case (*_error)() returns. */
- va_end(vp);
-}
-
-/*
- * this routine handles severe runtime errors...like not being able
- * to read the mach headers, allocate space, etc...very uncommon.
- */
-PRIVATE_EXTERN void _objc_fatal(const char *fmt, ...)
-{
- va_list ap;
- char *buf1;
- char *buf2;
-
- va_start(ap,fmt);
- vasprintf(&buf1, fmt, ap);
- va_end (ap);
-
- asprintf(&buf2, "objc[%d]: %s\n", getpid(), buf1);
- _objc_syslog(buf2);
- _objc_crashlog(buf2);
-
- _objc_trap();
-}
-
-/*
- * this routine handles soft runtime errors...like not being able
- * add a category to a class (because it wasn't linked in).
- */
-PRIVATE_EXTERN void _objc_inform(const char *fmt, ...)
-{
- va_list ap;
- char *buf1;
- char *buf2;
-
- va_start (ap,fmt);
- vasprintf(&buf1, fmt, ap);
- va_end (ap);
-
- asprintf(&buf2, "objc[%d]: %s\n", getpid(), buf1);
- _objc_syslog(buf2);
-
- free(buf2);
- free(buf1);
-}
-
-
-/*
- * Like _objc_inform(), but prints the message only in any
- * forthcoming crash log, not to the console.
- */
-PRIVATE_EXTERN void _objc_inform_on_crash(const char *fmt, ...)
-{
- va_list ap;
- char *buf1;
- char *buf2;
-
- va_start (ap,fmt);
- vasprintf(&buf1, fmt, ap);
- va_end (ap);
-
- asprintf(&buf2, "objc[%d]: %s\n", getpid(), buf1);
- _objc_crashlog(buf2);
-
- free(buf2);
- free(buf1);
-}
-
-
-/*
- * Like calling both _objc_inform and _objc_inform_on_crash.
- */
-PRIVATE_EXTERN void _objc_inform_now_and_on_crash(const char *fmt, ...)
-{
- va_list ap;
- char *buf1;
- char *buf2;
-
- va_start (ap,fmt);
- vasprintf(&buf1, fmt, ap);
- va_end (ap);
-
- asprintf(&buf2, "objc[%d]: %s\n", getpid(), buf1);
- _objc_crashlog(buf2);
- _objc_syslog(buf2);
-
- free(buf2);
- free(buf1);
-}
-
-
-/* Kill the process in a way that generates a crash log.
- * This is better than calling exit(). */
-static void _objc_trap(void)
-{
- __builtin_trap();
-}
-
-/* Try to keep _objc_warn_deprecated out of crash logs
- * caused by _objc_trap(). rdar://4546883 */
-__attribute__((used))
-static void _objc_trap2(void)
-{
- __builtin_trap();
-}
-
-#endif
-
-
-BREAKPOINT_FUNCTION(
- void _objc_warn_deprecated(void)
-);
-
-PRIVATE_EXTERN void _objc_inform_deprecated(const char *oldf, const char *newf)
-{
- if (PrintDeprecation) {
- if (newf) {
- _objc_inform("The function %s is obsolete. Use %s instead. Set a breakpoint on _objc_warn_deprecated to find the culprit.", oldf, newf);
- } else {
- _objc_inform("The function %s is obsolete. Do not use it. Set a breakpoint on _objc_warn_deprecated to find the culprit.", oldf);
- }
- }
- _objc_warn_deprecated();
-}
projects / apple / objc4.git / blobdiff