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dom/base/DOMException.h@b8a032363ba2 (annotated)

dom/base/DOMException.h

Thu, 22 Jan 2015 13:21:57 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Thu, 22 Jan 2015 13:21:57 +0100

branch

TOR_BUG_9701

changeset 15

b8a032363ba2

permissions

-rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

michael@0	1	/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0	2	/* This Source Code Form is subject to the terms of the Mozilla Public
michael@0	3	* License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0	4	* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0	5
michael@0	6	#ifndef mozilla_dom_DOMException_h__
michael@0	7	#define mozilla_dom_DOMException_h__
michael@0	8
michael@0	9	// We intentionally shadow non-virtual methods, but gcc gets confused.
michael@0	10	#ifdef __GNUC__
michael@0	11	#pragma GCC diagnostic push
michael@0	12	#pragma GCC diagnostic ignored "-Woverloaded-virtual"
michael@0	13	#endif
michael@0	14
michael@0	15	#include <stdint.h>
michael@0	16	#include "jspubtd.h"
michael@0	17	#include "js/GCAPI.h"
michael@0	18	#include "nsCOMPtr.h"
michael@0	19	#include "nsCycleCollectionParticipant.h"
michael@0	20	#include "nsID.h"
michael@0	21	#include "nsIDOMDOMException.h"
michael@0	22	#include "nsWrapperCache.h"
michael@0	23	#include "xpcexception.h"
michael@0	24	#include "nsString.h"
michael@0	25
michael@0	26	class nsIStackFrame;
michael@0	27	class nsString;
michael@0	28
michael@0	29	nsresult
michael@0	30	NS_GetNameAndMessageForDOMNSResult(nsresult aNSResult, nsACString& aName,
michael@0	31	nsACString& aMessage,
michael@0	32	uint16_t* aCode = nullptr);
michael@0	33
michael@0	34	namespace mozilla {
michael@0	35	namespace dom {
michael@0	36
michael@0	37	#define MOZILLA_EXCEPTION_IID \
michael@0	38	{ 0x55eda557, 0xeba0, 0x4fe3, \
michael@0	39	{ 0xae, 0x2e, 0xf3, 0x94, 0x49, 0x23, 0x62, 0xd6 } }
michael@0	40
michael@0	41	class Exception : public nsIXPCException,
michael@0	42	public nsWrapperCache
michael@0	43	{
michael@0	44	public:
michael@0	45	NS_DECLARE_STATIC_IID_ACCESSOR(MOZILLA_EXCEPTION_IID)
michael@0	46
michael@0	47	NS_DEFINE_STATIC_CID_ACCESSOR(NS_XPCEXCEPTION_CID)
michael@0	48
michael@0	49	NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(Exception)
michael@0	50
michael@0	51	NS_DECL_CYCLE_COLLECTING_ISUPPORTS
michael@0	52	NS_DECL_NSIEXCEPTION
michael@0	53	NS_DECL_NSIXPCEXCEPTION
michael@0	54
michael@0	55	// Cruft used by XPConnect for exceptions originating in JS implemented
michael@0	56	// components.
michael@0	57	bool StealJSVal(JS::Value* aVp);
michael@0	58	void StowJSVal(JS::Value& aVp);
michael@0	59
michael@0	60	// WebIDL API
michael@0	61	virtual JSObject* WrapObject(JSContext* cx)
michael@0	62	MOZ_OVERRIDE;
michael@0	63
michael@0	64	nsISupports* GetParentObject() const { return nullptr; }
michael@0	65
michael@0	66	void GetMessageMoz(nsString& retval);
michael@0	67
michael@0	68	uint32_t Result() const;
michael@0	69
michael@0	70	void GetName(nsString& retval);
michael@0	71
michael@0	72	// The XPCOM GetFilename does the right thing.
michael@0	73
michael@0	74	uint32_t LineNumber() const;
michael@0	75
michael@0	76	uint32_t ColumnNumber() const;
michael@0	77
michael@0	78	already_AddRefed<nsIStackFrame> GetLocation() const;
michael@0	79
michael@0	80	already_AddRefed<nsISupports> GetInner() const;
michael@0	81
michael@0	82	already_AddRefed<nsISupports> GetData() const;
michael@0	83
michael@0	84	void Stringify(nsString& retval);
michael@0	85
michael@0	86	// XPCOM factory ctor.
michael@0	87	Exception();
michael@0	88
michael@0	89	Exception(const nsACString& aMessage,
michael@0	90	nsresult aResult,
michael@0	91	const nsACString& aName,
michael@0	92	nsIStackFrame *aLocation,
michael@0	93	nsISupports *aData);
michael@0	94
michael@0	95	protected:
michael@0	96	virtual ~Exception();
michael@0	97
michael@0	98	nsCString mMessage;
michael@0	99	nsresult mResult;
michael@0	100	nsCString mName;
michael@0	101	nsCOMPtr<nsIStackFrame> mLocation;
michael@0	102	nsCOMPtr<nsISupports> mData;
michael@0	103	nsString mFilename;
michael@0	104	int mLineNumber;
michael@0	105	nsCOMPtr<nsIException> mInner;
michael@0	106	bool mInitialized;
michael@0	107
michael@0	108	bool mHoldingJSVal;
michael@0	109	JS::Heap<JS::Value> mThrownJSVal;
michael@0	110
michael@0	111	private:
michael@0	112	static bool sEverMadeOneFromFactory;
michael@0	113	};
michael@0	114
michael@0	115	NS_DEFINE_STATIC_IID_ACCESSOR(Exception, MOZILLA_EXCEPTION_IID)
michael@0	116
michael@0	117	class DOMException : public Exception,
michael@0	118	public nsIDOMDOMException
michael@0	119	{
michael@0	120	public:
michael@0	121	DOMException(nsresult aRv, const nsACString& aMessage,
michael@0	122	const nsACString& aName, uint16_t aCode);
michael@0	123
michael@0	124	NS_DECL_ISUPPORTS_INHERITED
michael@0	125	NS_DECL_NSIDOMDOMEXCEPTION
michael@0	126
michael@0	127	// nsIException overrides
michael@0	128	NS_IMETHOD ToString(nsACString& aReturn) MOZ_OVERRIDE;
michael@0	129
michael@0	130	// nsWrapperCache overrides
michael@0	131	virtual JSObject* WrapObject(JSContext* aCx)
michael@0	132	MOZ_OVERRIDE;
michael@0	133
michael@0	134	uint16_t Code() const {
michael@0	135	return mCode;
michael@0	136	}
michael@0	137
michael@0	138	// Intentionally shadow the nsXPCException version.
michael@0	139	void GetMessageMoz(nsString& retval);
michael@0	140	void GetName(nsString& retval);
michael@0	141
michael@0	142	static already_AddRefed<DOMException>
michael@0	143	Create(nsresult aRv);
michael@0	144
michael@0	145	protected:
michael@0	146
michael@0	147	virtual ~DOMException() {}
michael@0	148
michael@0	149	nsCString mName;
michael@0	150	nsCString mMessage;
michael@0	151
michael@0	152	uint16_t mCode;
michael@0	153	};
michael@0	154
michael@0	155	} // namespace dom
michael@0	156	} // namespace mozilla
michael@0	157
michael@0	158	#ifdef __GNUC__
michael@0	159	#pragma GCC diagnostic pop
michael@0	160	#endif
michael@0	161
michael@0	162	#endif