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75 lines
3.0 KiB
Plaintext
75 lines
3.0 KiB
Plaintext
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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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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/*
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* Interfaces for representing cross-language exceptions and stack traces.
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*/
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#include "nsISupports.idl"
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[scriptable, uuid(28bfb2a2-5ea6-4738-918b-049dc4d51f0b)]
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interface nsIStackFrame : nsISupports
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{
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// see nsIProgrammingLanguage for list of language consts
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readonly attribute uint32_t language;
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readonly attribute AUTF8String languageName;
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readonly attribute AString filename;
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readonly attribute AString name;
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// Valid line numbers begin at '1'. '0' indicates unknown.
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readonly attribute int32_t lineNumber;
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readonly attribute int32_t columnNumber;
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readonly attribute AUTF8String sourceLine;
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readonly attribute AString asyncCause;
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readonly attribute nsIStackFrame asyncCaller;
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readonly attribute nsIStackFrame caller;
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// Returns a formatted stack string that looks like the sort of
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// string that would be returned by .stack on JS Error objects.
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// Only works on JS-language stack frames.
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readonly attribute AString formattedStack;
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// Returns the underlying SavedFrame object for native JavaScript stacks,
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// or null if this is not a native JavaScript stack frame.
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readonly attribute jsval nativeSavedFrame;
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AUTF8String toString();
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};
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[scriptable, uuid(4371b5bf-6845-487f-8d9d-3f1e4a9badd2)]
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interface nsIException : nsISupports
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{
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// A custom message set by the thrower.
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[binaryname(MessageMoz)] readonly attribute AUTF8String message;
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// The nsresult associated with this exception.
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readonly attribute nsresult result;
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// The name of the error code (ie, a string repr of |result|)
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readonly attribute AUTF8String name;
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// Filename location. This is the location that caused the
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// error, which may or may not be a source file location.
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// For example, standard language errors would generally have
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// the same location as their top stack entry. File
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// parsers may put the location of the file they were parsing,
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// etc.
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// null indicates "no data"
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readonly attribute AString filename;
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// Valid line numbers begin at '1'. '0' indicates unknown.
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readonly attribute uint32_t lineNumber;
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// Valid column numbers begin at 0.
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// We don't have an unambiguous indicator for unknown.
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readonly attribute uint32_t columnNumber;
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// A stack trace, if available.
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readonly attribute nsIStackFrame location;
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// Arbitary data for the implementation.
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readonly attribute nsISupports data;
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// A generic formatter - make it suitable to print, etc.
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AUTF8String toString();
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};
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