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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"
[scriptable, builtinclass, uuid(28bfb2a2-5ea6-4738-918b-049dc4d51f0b)]
interface nsIStackFrame : nsISupports
{
// see nsIProgrammingLanguage for list of language consts
readonly attribute uint32_t language;
readonly attribute AUTF8String languageName;
[implicit_jscontext]
readonly attribute AString filename;
[implicit_jscontext]
readonly attribute AString name;
// Valid line numbers begin at '1'. '0' indicates unknown.
[implicit_jscontext]
readonly attribute int32_t lineNumber;
[implicit_jscontext]
readonly attribute int32_t columnNumber;
readonly attribute AUTF8String sourceLine;
[implicit_jscontext]
readonly attribute AString asyncCause;
[implicit_jscontext]
readonly attribute nsIStackFrame asyncCaller;
[implicit_jscontext]
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]
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]
AUTF8String toString();
};
[scriptable, builtinclass, uuid(4371b5bf-6845-487f-8d9d-3f1e4a9badd2)]
interface nsIException : nsISupports
{
// A custom message set by the thrower.
[binaryname(MessageMoz)] readonly attribute AUTF8String message;
// The nsresult associated with this exception.
readonly attribute nsresult result;
// The name of the error code (ie, a string repr of |result|)
readonly attribute AUTF8String name;
// Filename location. This is the location that caused the
// error, which may or may not be a source file location.
// For example, standard language errors would generally have
// the same location as their top stack entry. File
// parsers may put the location of the file they were parsing,
// etc.
// null indicates "no data"
[implicit_jscontext]
readonly attribute AString filename;
// Valid line numbers begin at '1'. '0' indicates unknown.
[implicit_jscontext]
readonly attribute uint32_t lineNumber;
// Valid column numbers begin at 0.
// We don't have an unambiguous indicator for unknown.
readonly attribute uint32_t columnNumber;
// A stack trace, if available.
readonly attribute nsIStackFrame location;
// Arbitary data for the implementation.
readonly attribute nsISupports data;
// A generic formatter - make it suitable to print, etc.
[implicit_jscontext]
AUTF8String toString();
};
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