DXR is a code search and navigation tool aimed at making sense of large projects. It supports full-text and regex searches as well as structural queries.

Implementation

Mercurial (d8847129d134)

VCS Links

Line Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef mozilla_dom_Exceptions_h__
#define mozilla_dom_Exceptions_h__

// DOM exception throwing machinery (for both main thread and workers).

#include <stdint.h>
#include "jspubtd.h"
#include "nsIException.h"

class nsIStackFrame;
class nsPIDOMWindow;
template <class T>
struct already_AddRefed;

namespace mozilla {
namespace dom {

class Exception;

bool
Throw(JSContext* cx, nsresult rv, const char* sz = nullptr);

// Create, throw and report an exception to a given window.
void
ThrowAndReport(nsPIDOMWindow* aWindow, nsresult aRv,
               const char* aMessage = nullptr);

bool
ThrowExceptionObject(JSContext* aCx, Exception* aException);

bool
ThrowExceptionObject(JSContext* aCx, nsIException* aException);

// Create an exception object for the given nsresult and message but
// don't set it pending on aCx.  This never returns null.
already_AddRefed<Exception>
CreateException(JSContext* aCx, nsresult aRv, const char* aMessage = nullptr);

already_AddRefed<nsIStackFrame>
GetCurrentJSStack();

// Internal stuff not intended to be widely used.
namespace exceptions {

// aMaxDepth can be used to define a maximal depth for the stack trace. If the
// value is -1, a default maximal depth will be selected.
already_AddRefed<nsIStackFrame>
CreateStack(JSContext* aCx, int32_t aMaxDepth = -1);

already_AddRefed<nsIStackFrame>
CreateStackFrameLocation(uint32_t aLanguage,
                         const char* aFilename,
                         const char* aFunctionName,
                         int32_t aLineNumber,
                         nsIStackFrame* aCaller);

} // namespace exceptions
} // namespace dom
} // namespace mozilla

#endif