зеркало из https://github.com/mozilla/gecko-dev.git
46 строки
1.5 KiB
C
46 строки
1.5 KiB
C
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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 js_ErrorInterceptor_h
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#define js_ErrorInterceptor_h
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#include "jstypes.h"
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#include "js/TypeDecls.h"
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/**
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* Callback used to intercept JavaScript errors.
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*/
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struct JSErrorInterceptor {
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/**
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* This method is called whenever an error has been raised from JS code.
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*
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* This method MUST be infallible.
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*/
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virtual void interceptError(JSContext* cx, JS::HandleValue error) = 0;
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};
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// Set a callback that will be called whenever an error
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// is thrown in this runtime. This is designed as a mechanism
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// for logging errors. Note that the VM makes no attempt to sanitize
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// the contents of the error (so it may contain private data)
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// or to sort out among errors (so it may not be the error you
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// are interested in or for the component in which you are
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// interested).
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//
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// If the callback sets a new error, this new error
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// will replace the original error.
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//
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// May be `nullptr`.
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// This is a no-op if built without NIGHTLY_BUILD.
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extern JS_PUBLIC_API void JS_SetErrorInterceptorCallback(
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JSRuntime*, JSErrorInterceptor* callback);
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// This returns nullptr if built without NIGHTLY_BUILD.
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extern JS_PUBLIC_API JSErrorInterceptor* JS_GetErrorInterceptorCallback(
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JSRuntime*);
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#endif // js_ErrorInterceptor_h
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