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Bug 702437 - Implement MOZ_OVERRIDE to encapsulate support for the contextual override keyword on virtual member functions. r=cjones
This commit is contained in:
Jeff Walden
parent
77ab034b6a
commit
3a9bae8669
@ -43,6 +43,8 @@
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#include "mozilla/layers/PLayersParent.h"
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#include "mozilla/gfx/2D.h"
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#include "mozilla/Types.h"
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#include "ipc/ShadowLayerChild.h"
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#include "BasicLayers.h"
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@ -2209,17 +2211,17 @@ private:
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return static_cast<BasicShadowLayerManager*>(mManager);
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}
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NS_OVERRIDE virtual void
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virtual void
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PaintBuffer(gfxContext* aContext,
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const nsIntRegion& aRegionToDraw,
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const nsIntRegion& aExtendedRegionToDraw,
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const nsIntRegion& aRegionToInvalidate,
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bool aDidSelfCopy,
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LayerManager::DrawThebesLayerCallback aCallback,
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void* aCallbackData);
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void* aCallbackData) MOZ_OVERRIDE;
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NS_OVERRIDE virtual already_AddRefed<gfxASurface>
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CreateBuffer(Buffer::ContentType aType, const nsIntSize& aSize);
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virtual already_AddRefed<gfxASurface>
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CreateBuffer(Buffer::ContentType aType, const nsIntSize& aSize) MOZ_OVERRIDE;
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void DestroyBackBuffer()
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{
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@ -42,6 +42,8 @@
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#ifndef jswrapper_h___
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#define jswrapper_h___
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#include "mozilla/Types.h"
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#include "jsapi.h"
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#include "jsproxy.h"
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@ -62,37 +64,37 @@ class JS_FRIEND_API(Wrapper) : public ProxyHandler
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/* ES5 Harmony fundamental wrapper traps. */
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virtual bool getPropertyDescriptor(JSContext *cx, JSObject *wrapper, jsid id, bool set,
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PropertyDescriptor *desc);
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PropertyDescriptor *desc) MOZ_OVERRIDE;
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virtual bool getOwnPropertyDescriptor(JSContext *cx, JSObject *wrapper, jsid id, bool set,
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PropertyDescriptor *desc);
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PropertyDescriptor *desc) MOZ_OVERRIDE;
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virtual bool defineProperty(JSContext *cx, JSObject *wrapper, jsid id,
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PropertyDescriptor *desc);
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virtual bool getOwnPropertyNames(JSContext *cx, JSObject *wrapper, AutoIdVector &props);
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virtual bool delete_(JSContext *cx, JSObject *wrapper, jsid id, bool *bp);
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virtual bool enumerate(JSContext *cx, JSObject *wrapper, AutoIdVector &props);
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virtual bool fix(JSContext *cx, JSObject *wrapper, Value *vp);
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PropertyDescriptor *desc) MOZ_OVERRIDE;
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virtual bool getOwnPropertyNames(JSContext *cx, JSObject *wrapper, AutoIdVector &props) MOZ_OVERRIDE;
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virtual bool delete_(JSContext *cx, JSObject *wrapper, jsid id, bool *bp) MOZ_OVERRIDE;
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virtual bool enumerate(JSContext *cx, JSObject *wrapper, AutoIdVector &props) MOZ_OVERRIDE;
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virtual bool fix(JSContext *cx, JSObject *wrapper, Value *vp) MOZ_OVERRIDE;
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/* ES5 Harmony derived wrapper traps. */
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virtual bool has(JSContext *cx, JSObject *wrapper, jsid id, bool *bp);
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virtual bool hasOwn(JSContext *cx, JSObject *wrapper, jsid id, bool *bp);
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virtual bool get(JSContext *cx, JSObject *wrapper, JSObject *receiver, jsid id, Value *vp);
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virtual bool has(JSContext *cx, JSObject *wrapper, jsid id, bool *bp) MOZ_OVERRIDE;
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virtual bool hasOwn(JSContext *cx, JSObject *wrapper, jsid id, bool *bp) MOZ_OVERRIDE;
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virtual bool get(JSContext *cx, JSObject *wrapper, JSObject *receiver, jsid id, Value *vp) MOZ_OVERRIDE;
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virtual bool set(JSContext *cx, JSObject *wrapper, JSObject *receiver, jsid id, bool strict,
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Value *vp);
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virtual bool keys(JSContext *cx, JSObject *wrapper, AutoIdVector &props);
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virtual bool iterate(JSContext *cx, JSObject *wrapper, uintN flags, Value *vp);
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Value *vp) MOZ_OVERRIDE;
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virtual bool keys(JSContext *cx, JSObject *wrapper, AutoIdVector &props) MOZ_OVERRIDE;
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virtual bool iterate(JSContext *cx, JSObject *wrapper, uintN flags, Value *vp) MOZ_OVERRIDE;
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/* Spidermonkey extensions. */
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virtual bool call(JSContext *cx, JSObject *wrapper, uintN argc, Value *vp);
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virtual bool construct(JSContext *cx, JSObject *wrapper, uintN argc, Value *argv, Value *rval);
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virtual bool nativeCall(JSContext *cx, JSObject *wrapper, Class *clasp, Native native, CallArgs args);
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virtual bool hasInstance(JSContext *cx, JSObject *wrapper, const Value *vp, bool *bp);
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virtual JSType typeOf(JSContext *cx, JSObject *proxy);
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virtual bool objectClassIs(JSObject *obj, ESClassValue classValue, JSContext *cx);
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virtual JSString *obj_toString(JSContext *cx, JSObject *wrapper);
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virtual JSString *fun_toString(JSContext *cx, JSObject *wrapper, uintN indent);
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virtual bool defaultValue(JSContext *cx, JSObject *wrapper, JSType hint, Value *vp);
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virtual bool call(JSContext *cx, JSObject *wrapper, uintN argc, Value *vp) MOZ_OVERRIDE;
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virtual bool construct(JSContext *cx, JSObject *wrapper, uintN argc, Value *argv, Value *rval) MOZ_OVERRIDE;
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virtual bool nativeCall(JSContext *cx, JSObject *wrapper, Class *clasp, Native native, CallArgs args) MOZ_OVERRIDE;
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virtual bool hasInstance(JSContext *cx, JSObject *wrapper, const Value *vp, bool *bp) MOZ_OVERRIDE;
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virtual JSType typeOf(JSContext *cx, JSObject *proxy) MOZ_OVERRIDE;
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virtual bool objectClassIs(JSObject *obj, ESClassValue classValue, JSContext *cx) MOZ_OVERRIDE;
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virtual JSString *obj_toString(JSContext *cx, JSObject *wrapper) MOZ_OVERRIDE;
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virtual JSString *fun_toString(JSContext *cx, JSObject *wrapper, uintN indent) MOZ_OVERRIDE;
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virtual bool defaultValue(JSContext *cx, JSObject *wrapper, JSType hint, Value *vp) MOZ_OVERRIDE;
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virtual void trace(JSTracer *trc, JSObject *wrapper);
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virtual void trace(JSTracer *trc, JSObject *wrapper) MOZ_OVERRIDE;
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/* Policy enforcement traps. */
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enum Action { GET, SET, CALL };
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@ -125,34 +127,34 @@ class JS_FRIEND_API(CrossCompartmentWrapper) : public Wrapper
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/* ES5 Harmony fundamental wrapper traps. */
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virtual bool getPropertyDescriptor(JSContext *cx, JSObject *wrapper, jsid id, bool set,
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PropertyDescriptor *desc);
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PropertyDescriptor *desc) MOZ_OVERRIDE;
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virtual bool getOwnPropertyDescriptor(JSContext *cx, JSObject *wrapper, jsid id, bool set,
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PropertyDescriptor *desc);
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PropertyDescriptor *desc) MOZ_OVERRIDE;
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virtual bool defineProperty(JSContext *cx, JSObject *wrapper, jsid id,
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PropertyDescriptor *desc);
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virtual bool getOwnPropertyNames(JSContext *cx, JSObject *wrapper, AutoIdVector &props);
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virtual bool delete_(JSContext *cx, JSObject *wrapper, jsid id, bool *bp);
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virtual bool enumerate(JSContext *cx, JSObject *wrapper, AutoIdVector &props);
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PropertyDescriptor *desc) MOZ_OVERRIDE;
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virtual bool getOwnPropertyNames(JSContext *cx, JSObject *wrapper, AutoIdVector &props) MOZ_OVERRIDE;
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virtual bool delete_(JSContext *cx, JSObject *wrapper, jsid id, bool *bp) MOZ_OVERRIDE;
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virtual bool enumerate(JSContext *cx, JSObject *wrapper, AutoIdVector &props) MOZ_OVERRIDE;
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/* ES5 Harmony derived wrapper traps. */
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virtual bool has(JSContext *cx, JSObject *wrapper, jsid id, bool *bp);
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virtual bool hasOwn(JSContext *cx, JSObject *wrapper, jsid id, bool *bp);
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virtual bool get(JSContext *cx, JSObject *wrapper, JSObject *receiver, jsid id, Value *vp);
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virtual bool has(JSContext *cx, JSObject *wrapper, jsid id, bool *bp) MOZ_OVERRIDE;
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virtual bool hasOwn(JSContext *cx, JSObject *wrapper, jsid id, bool *bp) MOZ_OVERRIDE;
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virtual bool get(JSContext *cx, JSObject *wrapper, JSObject *receiver, jsid id, Value *vp) MOZ_OVERRIDE;
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virtual bool set(JSContext *cx, JSObject *wrapper, JSObject *receiver, jsid id, bool strict,
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Value *vp);
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virtual bool keys(JSContext *cx, JSObject *wrapper, AutoIdVector &props);
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virtual bool iterate(JSContext *cx, JSObject *wrapper, uintN flags, Value *vp);
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Value *vp) MOZ_OVERRIDE;
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virtual bool keys(JSContext *cx, JSObject *wrapper, AutoIdVector &props) MOZ_OVERRIDE;
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virtual bool iterate(JSContext *cx, JSObject *wrapper, uintN flags, Value *vp) MOZ_OVERRIDE;
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/* Spidermonkey extensions. */
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virtual bool call(JSContext *cx, JSObject *wrapper, uintN argc, Value *vp);
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virtual bool construct(JSContext *cx, JSObject *wrapper, uintN argc, Value *argv, Value *rval);
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virtual bool nativeCall(JSContext *cx, JSObject *wrapper, Class *clasp, Native native, CallArgs args);
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virtual bool hasInstance(JSContext *cx, JSObject *wrapper, const Value *vp, bool *bp);
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virtual JSString *obj_toString(JSContext *cx, JSObject *wrapper);
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virtual JSString *fun_toString(JSContext *cx, JSObject *wrapper, uintN indent);
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virtual bool defaultValue(JSContext *cx, JSObject *wrapper, JSType hint, Value *vp);
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virtual bool call(JSContext *cx, JSObject *wrapper, uintN argc, Value *vp) MOZ_OVERRIDE;
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virtual bool construct(JSContext *cx, JSObject *wrapper, uintN argc, Value *argv, Value *rval) MOZ_OVERRIDE;
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virtual bool nativeCall(JSContext *cx, JSObject *wrapper, Class *clasp, Native native, CallArgs args) MOZ_OVERRIDE;
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virtual bool hasInstance(JSContext *cx, JSObject *wrapper, const Value *vp, bool *bp) MOZ_OVERRIDE;
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virtual JSString *obj_toString(JSContext *cx, JSObject *wrapper) MOZ_OVERRIDE;
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virtual JSString *fun_toString(JSContext *cx, JSObject *wrapper, uintN indent) MOZ_OVERRIDE;
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virtual bool defaultValue(JSContext *cx, JSObject *wrapper, JSType hint, Value *vp) MOZ_OVERRIDE;
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virtual void trace(JSTracer *trc, JSObject *wrapper);
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virtual void trace(JSTracer *trc, JSObject *wrapper) MOZ_OVERRIDE;
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static CrossCompartmentWrapper singleton;
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};
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@ -172,8 +174,8 @@ class JS_FRIEND_API(SecurityWrapper) : public Base
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public:
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SecurityWrapper(uintN flags);
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virtual bool nativeCall(JSContext *cx, JSObject *wrapper, Class *clasp, Native native, CallArgs args);
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virtual bool objectClassIs(JSObject *obj, ESClassValue classValue, JSContext *cx);
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virtual bool nativeCall(JSContext *cx, JSObject *wrapper, Class *clasp, Native native, CallArgs args) MOZ_OVERRIDE;
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virtual bool objectClassIs(JSObject *obj, ESClassValue classValue, JSContext *cx) MOZ_OVERRIDE;
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};
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typedef SecurityWrapper<Wrapper> SameCompartmentSecurityWrapper;
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95
mfbt/Types.h
95
mfbt/Types.h
@ -90,6 +90,43 @@
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#ifdef __cplusplus
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/*
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* g++ requires -std=c++0x or -std=gnu++0x to support C++11 functionality
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* without warnings (functionality used by the macros below). These modes are
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* detectable by checking whether __GXX_EXPERIMENTAL_CXX0X__ is defined or, more
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* standardly, by checking whether __cplusplus has a C++11 or greater value.
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* Current versions of g++ do not correctly set __cplusplus, so we check both
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* for forward compatibility.
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*/
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#if defined(__clang__)
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# if __clang_major__ >= 3
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# define MOZ_HAVE_CXX11_DELETE
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# define MOZ_HAVE_CXX11_OVERRIDE
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# elif __clang_major__ == 2
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# if __clang_minor__ >= 9
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# define MOZ_HAVE_CXX11_DELETE
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# endif
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# endif
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#elif defined(__GNUC__)
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# if defined(__GXX_EXPERIMENTAL_CXX0X__) || __cplusplus >= 201103L
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# if __GNUC__ > 4
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# define MOZ_HAVE_CXX11_DELETE
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# define MOZ_HAVE_CXX11_OVERRIDE
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# elif __GNUC__ == 4
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# if __GNUC_MINOR__ >= 7
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# define MOZ_HAVE_CXX11_OVERRIDE
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# endif
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# if __GNUC_MINOR__ >= 4
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# define MOZ_HAVE_CXX11_DELETE
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# endif
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# endif
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# endif
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#elif defined(_MSC_VER)
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# if _MSC_VER >= 1400
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# define MOZ_HAVE_CXX11_OVERRIDE
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# endif
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#endif
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/*
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* MOZ_DELETE, specified immediately prior to the ';' terminating an undefined-
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* method declaration, attempts to delete that method from the corresponding
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@ -112,23 +149,51 @@
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* MOZ_DELETE relies on C++11 functionality not universally implemented. As a
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* backstop, method declarations using MOZ_DELETE should be private.
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*/
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#if defined(__clang__) && (__clang_major__ >= 3 || (__clang_major__ == 2 && __clang_minor__ >= 9))
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#if defined(MOZ_HAVE_CXX11_DELETE)
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# define MOZ_DELETE = delete
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#elif defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4))
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/*
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* g++ >= 4.4 requires -std=c++0x or -std=gnu++0x to support deleted functions
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* without warnings. These modes are detectable by the experimental macro used
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* below or, more standardly, by checking whether __cplusplus has a C++11 or
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* greater value. Current versions of g++ do not correctly set __cplusplus, so
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* we check both for forward compatibility.
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*/
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# if defined(__GXX_EXPERIMENTAL_CXX0X__) || __cplusplus >= 201103L
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# define MOZ_DELETE = delete
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# else
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# define MOZ_DELETE /* = delete */
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# endif
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#else
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# define MOZ_DELETE /* no = delete support, or unknown support */
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# define MOZ_DELETE /* no support */
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#endif
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/*
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* MOZ_OVERRIDE explicitly indicates that a virtual member function in a class
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* overrides a member function of a base class, rather than potentially being a
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* new member function. MOZ_OVERRIDE should be placed immediately before the
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* ';' terminating the member function's declaration, or before '= 0;' if the
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* member function is pure. If the member function is defined in the class
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* definition, it should appear before the opening brace of the function body.
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*
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* class Base
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* {
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* public:
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* virtual void f() = 0;
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* };
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* class Derived1 : public Base
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* {
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* public:
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* virtual void f() MOZ_OVERRIDE;
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* };
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* class Derived2 : public Base
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* {
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* public:
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* virtual void f() MOZ_OVERRIDE = 0;
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* };
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* class Derived3 : public Base
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* {
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* public:
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* virtual void f() MOZ_OVERRIDE { }
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* };
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*
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* In compilers supporting C++11 override controls, MOZ_OVERRIDE *requires* that
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* the function marked with it override a member function of a base class: it
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* is a compile error if it does not. Otherwise MOZ_OVERRIDE does not affect
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* semantics and merely documents the override relationship to the reader (but
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* of course must still be used correctly to not break C++11 compilers).
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*/
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#if defined(MOZ_HAVE_CXX11_OVERRIDE)
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# define MOZ_OVERRIDE override
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#else
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# define MOZ_OVERRIDE /* no support */
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#endif
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#endif /* __cplusplus */
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