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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* 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/. */
/*
* Interfaces for representing cross-language exceptions and stack traces.
*/
#include "nsISupports.idl"
[ptr] native JSContext(JSContext);
native StackFrameRef(already_AddRefed<nsIStackFrame>);
[scriptable, builtinclass, uuid(28bfb2a2-5ea6-4738-918b-049dc4d51f0b)]
interface nsIStackFrame : nsISupports
{
[implicit_jscontext, binaryname(FilenameXPCOM)]
readonly attribute AString filename;
[implicit_jscontext, binaryname(NameXPCOM)]
readonly attribute AString name;
// Unique identifier of the script source for the frame, or zero.
[implicit_jscontext, binaryname(SourceIdXPCOM)]
readonly attribute int32_t sourceId;
// Valid line numbers begin at '1'. '0' indicates unknown.
[implicit_jscontext, binaryname(LineNumberXPCOM)]
readonly attribute int32_t lineNumber;
[implicit_jscontext, binaryname(ColumnNumberXPCOM)]
readonly attribute int32_t columnNumber;
readonly attribute AUTF8String sourceLine;
[implicit_jscontext, binaryname(AsyncCauseXPCOM)]
readonly attribute AString asyncCause;
[implicit_jscontext, binaryname(AsyncCallerXPCOM)]
readonly attribute nsIStackFrame asyncCaller;
[implicit_jscontext, binaryname(CallerXPCOM)]
readonly attribute nsIStackFrame caller;
// Returns a formatted stack string that looks like the sort of
// string that would be returned by .stack on JS Error objects.
// Only works on JS-language stack frames.
[implicit_jscontext, binaryname(FormattedStackXPCOM)]
readonly attribute AString formattedStack;
// Returns the underlying SavedFrame object for native JavaScript stacks,
// or null if this is not a native JavaScript stack frame.
readonly attribute jsval nativeSavedFrame;
[implicit_jscontext, binaryname(ToStringXPCOM)]
AUTF8String toString();
// Infallible things to be called from C++.
[notxpcom, nostdcall]
void getFilename(in JSContext aCx, out AString aFilename);
[notxpcom, nostdcall]
void getName(in JSContext aCx, out AString aName);
[notxpcom, nostdcall]
int32_t getSourceId(in JSContext aCx);
[notxpcom, nostdcall]
int32_t getLineNumber(in JSContext aCx);
[notxpcom, nostdcall]
int32_t getColumnNumber(in JSContext aCx);
[notxpcom, nostdcall]
void getAsyncCause(in JSContext aCx, out AString aAsyncCause);
[notxpcom, nostdcall]
StackFrameRef getAsyncCaller(in JSContext aCx);
[notxpcom, nostdcall]
StackFrameRef getCaller(in JSContext aCx);
[notxpcom, nostdcall]
void getFormattedStack(in JSContext aCx, out AString aFormattedStack);
[notxpcom, nostdcall, binaryname(ToString)]
void toStringInfallible(in JSContext aCx, out AUTF8String aString);
};
// This interface only exists because of all the JS consumers doing
// "instanceof Ci.nsIException". We should switch them to something else and
// get rid of it; bug 1435856 tracks that. C++ code should NOT use this; use
// mozilla::dom::Exception instead.
[scriptable, builtinclass, uuid(4371b5bf-6845-487f-8d9d-3f1e4a9badd2)]
interface nsIException : nsISupports
{
};
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