# exception-private.h

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    00001 /*
    00002   Copyright 1999-2008 ImageMagick Studio LLC, a non-profit organization
    00003   dedicated to making software imaging solutions freely available.
    00004
    00005   You may not use this file except in compliance with the License.
    00006   obtain a copy of the License at
    00007
    00008     http://www.wizards-toolkit.org/script/license.php
    00009
    00010   Unless required by applicable law or agreed to in writing, software
    00011   distributed under the License is distributed on an "AS IS" BASIS,
    00012   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    00013   See the License for the specific language governing permissions and
    00014   limitations under the License.
    00015
    00016   Wizard's Toolkit private exception methods.
    00017 */
    00018 #ifndef _WIZARDS_TOOLKIT_EXCEPTION_PRIVATE_H
    00019 #define _WIZARDS_TOOLKIT_EXCEPTION_PRIVATE_H
    00020
    00021 #if defined(__cplusplus) || defined(c_plusplus)
    00022 extern "C" {
    00023 #endif
    00024
    00025 #include "wizard/log.h"
    00026
    00027 #define CatchWizardException(severity,tag,context) \
    00028 { \
    00029   ExceptionInfo \
    00030     *exception; \
    00031  \
    00032   exception=AcquireExceptionInfo(); \
    00033   (void) ThrowWizardException(exception,GetWizardModule(),severity,tag,context); \
    00034   CatchException(exception); \
    00035   exception=DestroyExceptionInfo(exception); \
    00036 }
    00037
    00038 #if defined(WizardDebug)
    00039 #define WizardAssert(domain,predicate) \
    00040 { \
    00041   assert(predicate); \
    00042 }
    00043 #else
    00044 #define WizardAssert(domain,predicate) \
    00045 { \
    00046   if ((WizardBooleanType) (predicate) == WizardFalse) \
    00047     ThrowWizardFatalError(domain,AssertError); \
    00048 }
    00049 #endif
    00050
    00051 #define ThrowFileException(exception,severity,context) \
    00052 { \
    00053   (void) ThrowWizardException(exception,GetWizardModule(),severity, \
    00054     "file exception `%s': %s",context,strerror(errno)); \
    00055 }
    00056
    00057 #define ThrowWizardFatalError(domain,error) \
    00058 { \
    00059   char \
    00060     context[MaxTextExtent], \
    00061     tag[MaxTextExtent]; \
    00062  \
    00063   (void) FormatWizardString(tag,MaxTextExtent,"%ld\n",(long) domain); \
    00064   (void) FormatWizardString(context,MaxTextExtent,"%ld\n",(long) error); \
    00065   CatchWizardException(UndefinedException,tag,context); \
    00066   _exit((domain << 3) | error); \
    00067 }
    00068
    00069 #define ThrowFatalException(severity,tag) \
    00070 { \
    00071   CatchWizardException(severity,tag,strerror(errno)); \
    00072   _exit(127); \
    00073 }
    00074
    00075 #if defined(__cplusplus) || defined(c_plusplus)
    00076 }
    00077 #endif
    00078
    00079 #endif