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56 lines
2 KiB
Objective-C
56 lines
2 KiB
Objective-C
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef nsObjCExceptions_h_
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#define nsObjCExceptions_h_
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// Undo the damage that exception_defines.h does.
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#undef try
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#undef catch
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@class NSException;
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// See Mozilla bug 163260.
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// This file can only be included in an Objective-C context.
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void nsObjCExceptionLog(NSException* aException);
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namespace mozilla {
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// Check if this is an exception that's outside of our control.
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// Called when an exception bubbles up to the native event loop.
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bool ShouldIgnoreObjCException(NSException* aException);
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}
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// For wrapping blocks of Obj-C calls which are not expected to throw exception.
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// Causes a MOZ_CRASH if an Obj-C exception is encountered.
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#define NS_OBJC_BEGIN_TRY_ABORT_BLOCK @try {
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#define NS_OBJC_END_TRY_ABORT_BLOCK \
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} \
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@catch (NSException * _exn) { \
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nsObjCExceptionLog(_exn); \
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MOZ_CRASH("Encountered unexpected Objective C exception"); \
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}
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// For wrapping blocks of Obj-C calls. Logs the exception and moves on.
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#define NS_OBJC_BEGIN_TRY_IGNORE_BLOCK @try {
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#define NS_OBJC_END_TRY_IGNORE_BLOCK \
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} \
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@catch (NSException * _exn) { \
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nsObjCExceptionLog(_exn); \
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}
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// Same as above IGNORE_BLOCK but returns a value after the try/catch block.
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#define NS_OBJC_BEGIN_TRY_BLOCK_RETURN @try {
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#define NS_OBJC_END_TRY_BLOCK_RETURN(_rv) \
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} \
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@catch (NSException * _exn) { \
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nsObjCExceptionLog(_exn); \
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} \
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return _rv;
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#endif // nsObjCExceptions_h_
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