Coverage Report

Created: 2018-09-25 14:53

/work/obj-fuzz/dom/bindings/ImageBitmapRenderingContextBinding.cpp
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Source (jump to first uncovered line)
1
/* THIS FILE IS AUTOGENERATED FROM ImageBitmapRenderingContext.webidl BY Codegen.py - DO NOT EDIT */
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3
#include "ImageBitmapRenderingContextBinding.h"
4
#include "WrapperFactory.h"
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#include "mozilla/OwningNonNull.h"
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#include "mozilla/dom/BindingUtils.h"
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#include "mozilla/dom/DOMJSClass.h"
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#include "mozilla/dom/ImageBitmap.h"
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#include "mozilla/dom/ImageBitmapRenderingContext.h"
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#include "mozilla/dom/NonRefcountedDOMObject.h"
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#include "mozilla/dom/XrayExpandoClass.h"
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#include "nsIDocument.h"
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namespace mozilla {
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namespace dom {
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namespace binding_detail {}; // Just to make sure it's known as a namespace
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using namespace mozilla::dom::binding_detail;
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namespace ImageBitmapRenderingContext_Binding {
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MOZ_CAN_RUN_SCRIPT static bool
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transferFromImageBitmap(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::ImageBitmapRenderingContext* self, const JSJitMethodCallArgs& args)
25
0
{
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0
  AUTO_PROFILER_LABEL_FAST("ImageBitmapRenderingContext.transferFromImageBitmap", DOM, cx);
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0
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0
  if (MOZ_UNLIKELY(args.length() < 1)) {
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0
    return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "ImageBitmapRenderingContext.transferFromImageBitmap");
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0
  }
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0
  NonNull<mozilla::dom::ImageBitmap> arg0;
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0
  if (args[0].isObject()) {
33
0
    {
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0
      nsresult rv = UnwrapObject<prototypes::id::ImageBitmap, mozilla::dom::ImageBitmap>(args[0], arg0);
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0
      if (NS_FAILED(rv)) {
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0
        ThrowErrorMessage(cx, MSG_DOES_NOT_IMPLEMENT_INTERFACE, "Argument 1 of ImageBitmapRenderingContext.transferFromImageBitmap", "ImageBitmap");
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0
        return false;
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0
      }
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0
    }
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0
  } else {
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0
    ThrowErrorMessage(cx, MSG_NOT_OBJECT, "Argument 1 of ImageBitmapRenderingContext.transferFromImageBitmap");
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0
    return false;
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0
  }
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0
  self->TransferFromImageBitmap(MOZ_KnownLive(NonNullHelper(arg0)));
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0
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
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0
  args.rval().setUndefined();
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0
  return true;
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0
}
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static const JSJitInfo transferFromImageBitmap_methodinfo = {
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  { (JSJitGetterOp)transferFromImageBitmap },
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  { prototypes::id::ImageBitmapRenderingContext },
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  { PrototypeTraits<prototypes::id::ImageBitmapRenderingContext>::Depth },
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  JSJitInfo::Method,
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  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
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  JSVAL_TYPE_UNDEFINED,  /* returnType.  Not relevant for setters. */
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  false,  /* isInfallible. False in setters. */
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  false,  /* isMovable.  Not relevant for setters. */
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  false, /* isEliminatable.  Not relevant for setters. */
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  false, /* isAlwaysInSlot.  Only relevant for getters. */
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  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
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  false,  /* isTypedMethod.  Only relevant for methods. */
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  0   /* Reserved slot index, if we're stored in a slot, else 0. */
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};
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static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
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static_assert(0 < 1, "There is no slot for us");
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MOZ_CAN_RUN_SCRIPT static bool
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transferImageBitmap(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::ImageBitmapRenderingContext* self, const JSJitMethodCallArgs& args)
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0
{
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0
  AUTO_PROFILER_LABEL_FAST("ImageBitmapRenderingContext.transferImageBitmap", DOM, cx);
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0
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0
  if (MOZ_UNLIKELY(args.length() < 1)) {
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0
    return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "ImageBitmapRenderingContext.transferImageBitmap");
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0
  }
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0
  DeprecationWarning(cx, obj, nsIDocument::eImageBitmapRenderingContext_TransferImageBitmap);
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0
  NonNull<mozilla::dom::ImageBitmap> arg0;
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0
  if (args[0].isObject()) {
79
0
    {
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0
      nsresult rv = UnwrapObject<prototypes::id::ImageBitmap, mozilla::dom::ImageBitmap>(args[0], arg0);
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0
      if (NS_FAILED(rv)) {
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0
        ThrowErrorMessage(cx, MSG_DOES_NOT_IMPLEMENT_INTERFACE, "Argument 1 of ImageBitmapRenderingContext.transferImageBitmap", "ImageBitmap");
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0
        return false;
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0
      }
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0
    }
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0
  } else {
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0
    ThrowErrorMessage(cx, MSG_NOT_OBJECT, "Argument 1 of ImageBitmapRenderingContext.transferImageBitmap");
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0
    return false;
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0
  }
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  self->TransferImageBitmap(MOZ_KnownLive(NonNullHelper(arg0)));
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0
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
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  args.rval().setUndefined();
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0
  return true;
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0
}
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static const JSJitInfo transferImageBitmap_methodinfo = {
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  { (JSJitGetterOp)transferImageBitmap },
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  { prototypes::id::ImageBitmapRenderingContext },
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  { PrototypeTraits<prototypes::id::ImageBitmapRenderingContext>::Depth },
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  JSJitInfo::Method,
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  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
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  JSVAL_TYPE_UNDEFINED,  /* returnType.  Not relevant for setters. */
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  false,  /* isInfallible. False in setters. */
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  false,  /* isMovable.  Not relevant for setters. */
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  false, /* isEliminatable.  Not relevant for setters. */
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  false, /* isAlwaysInSlot.  Only relevant for getters. */
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  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
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  false,  /* isTypedMethod.  Only relevant for methods. */
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  0   /* Reserved slot index, if we're stored in a slot, else 0. */
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};
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static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
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static_assert(0 < 1, "There is no slot for us");
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static bool
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_addProperty(JSContext* cx, JS::Handle<JSObject*> obj, JS::Handle<jsid> id, JS::Handle<JS::Value> val)
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0
{
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0
  mozilla::dom::ImageBitmapRenderingContext* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::ImageBitmapRenderingContext>(obj);
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0
  // We don't want to preserve if we don't have a wrapper, and we
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  // obviously can't preserve if we're not initialized.
120
0
  if (self && self->GetWrapperPreserveColor()) {
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    PreserveWrapper(self);
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0
  }
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0
  return true;
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0
}
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static void
127
_finalize(js::FreeOp* fop, JSObject* obj)
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0
{
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0
  mozilla::dom::ImageBitmapRenderingContext* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::ImageBitmapRenderingContext>(obj);
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0
  if (self) {
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    ClearWrapper(self, self, obj);
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    AddForDeferredFinalization<mozilla::dom::ImageBitmapRenderingContext>(self);
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  }
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}
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static size_t
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_objectMoved(JSObject* obj, JSObject* old)
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0
{
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  mozilla::dom::ImageBitmapRenderingContext* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::ImageBitmapRenderingContext>(obj);
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0
  if (self) {
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0
    UpdateWrapper(self, self, obj, old);
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  }
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0
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  return 0;
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0
}
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// We deliberately use brace-elision to make Visual Studio produce better initalization code.
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#if defined(__clang__)
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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Wmissing-braces"
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#endif
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static const JSFunctionSpec sMethods_specs[] = {
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  JS_FNSPEC("transferFromImageBitmap", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&transferFromImageBitmap_methodinfo), 1, JSPROP_ENUMERATE, nullptr),
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  JS_FNSPEC("transferImageBitmap", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&transferImageBitmap_methodinfo), 1, JSPROP_ENUMERATE, nullptr),
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  JS_FS_END
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};
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#if defined(__clang__)
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#pragma clang diagnostic pop
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#endif
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static const Prefable<const JSFunctionSpec> sMethods[] = {
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  { nullptr, &sMethods_specs[0] },
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  { nullptr, nullptr }
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};
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static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
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    "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
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static_assert(2 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
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    "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
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static uint16_t sNativeProperties_sortedPropertyIndices[2];
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static PropertyInfo sNativeProperties_propertyInfos[2];
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static const NativePropertiesN<1> sNativeProperties = {
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  false, 0,
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  false, 0,
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  true,  0 /* sMethods */,
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  false, 0,
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  false, 0,
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  false, 0,
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  false, 0,
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  -1,
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  2,
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  sNativeProperties_sortedPropertyIndices,
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  {
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    { sMethods, &sNativeProperties_propertyInfos[0] }
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  }
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};
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static_assert(2 < 1ull << CHAR_BIT * sizeof(sNativeProperties.propertyInfoCount),
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    "We have a property info count that is oversized");
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static const DOMIfaceAndProtoJSClass sInterfaceObjectClass = {
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  {
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    "Function",
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    JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_SLOTS_BASE),
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    &sBoringInterfaceObjectClassClassOps,
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    JS_NULL_CLASS_SPEC,
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    JS_NULL_CLASS_EXT,
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    &sInterfaceObjectClassObjectOps
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  },
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  eInterface,
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  true,
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  prototypes::id::ImageBitmapRenderingContext,
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  PrototypeTraits<prototypes::id::ImageBitmapRenderingContext>::Depth,
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  sNativePropertyHooks,
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  "function ImageBitmapRenderingContext() {\n    [native code]\n}",
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  JS::GetRealmFunctionPrototype
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};
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static const DOMIfaceAndProtoJSClass sPrototypeClass = {
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  {
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    "ImageBitmapRenderingContextPrototype",
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    JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_PROTO_SLOTS_BASE),
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    JS_NULL_CLASS_OPS,
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    JS_NULL_CLASS_SPEC,
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    JS_NULL_CLASS_EXT,
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    JS_NULL_OBJECT_OPS
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  },
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  eInterfacePrototype,
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  false,
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  prototypes::id::ImageBitmapRenderingContext,
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  PrototypeTraits<prototypes::id::ImageBitmapRenderingContext>::Depth,
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  sNativePropertyHooks,
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  "[object ImageBitmapRenderingContextPrototype]",
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  JS::GetRealmObjectPrototype
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};
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static const js::ClassOps sClassOps = {
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  _addProperty, /* addProperty */
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  nullptr,               /* delProperty */
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  nullptr,               /* enumerate */
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  nullptr, /* newEnumerate */
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  nullptr, /* resolve */
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  nullptr, /* mayResolve */
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  _finalize, /* finalize */
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  nullptr, /* call */
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  nullptr,               /* hasInstance */
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  nullptr,               /* construct */
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  nullptr, /* trace */
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};
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static const js::ClassExtension sClassExtension = {
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  nullptr, /* weakmapKeyDelegateOp */
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  _objectMoved /* objectMovedOp */
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};
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static const DOMJSClass sClass = {
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  { "ImageBitmapRenderingContext",
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    JSCLASS_IS_DOMJSCLASS | JSCLASS_FOREGROUND_FINALIZE | JSCLASS_HAS_RESERVED_SLOTS(1),
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    &sClassOps,
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    JS_NULL_CLASS_SPEC,
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    &sClassExtension,
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    JS_NULL_OBJECT_OPS
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  },
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  { prototypes::id::ImageBitmapRenderingContext, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count },
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  IsBaseOf<nsISupports, mozilla::dom::ImageBitmapRenderingContext >::value,
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  sNativePropertyHooks,
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  FindAssociatedGlobalForNative<mozilla::dom::ImageBitmapRenderingContext>::Get,
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  GetProtoObjectHandle,
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  GetCCParticipant<mozilla::dom::ImageBitmapRenderingContext>::Get()
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};
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static_assert(1 == DOM_INSTANCE_RESERVED_SLOTS,
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              "Must have the right minimal number of reserved slots.");
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static_assert(1 >= 1,
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              "Must have enough reserved slots.");
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const JSClass*
270
GetJSClass()
271
0
{
272
0
  return sClass.ToJSClass();
273
0
}
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bool
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Wrap(JSContext* aCx, mozilla::dom::ImageBitmapRenderingContext* aObject, nsWrapperCache* aCache, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector)
277
0
{
278
0
  static_assert(!IsBaseOf<NonRefcountedDOMObject, mozilla::dom::ImageBitmapRenderingContext>::value,
279
0
                "Shouldn't have wrappercached things that are not refcounted.");
280
0
  MOZ_ASSERT(static_cast<mozilla::dom::ImageBitmapRenderingContext*>(aObject) ==
281
0
             reinterpret_cast<mozilla::dom::ImageBitmapRenderingContext*>(aObject),
282
0
             "Multiple inheritance for mozilla::dom::ImageBitmapRenderingContext is broken.");
283
0
  MOZ_ASSERT(ToSupportsIsCorrect(aObject));
284
0
  MOZ_ASSERT_IF(aGivenProto, js::IsObjectInContextCompartment(aGivenProto, aCx));
285
0
  MOZ_ASSERT(!aCache->GetWrapper(),
286
0
             "You should probably not be using Wrap() directly; use "
287
0
             "GetOrCreateDOMReflector instead");
288
0
289
0
  MOZ_ASSERT(ToSupportsIsOnPrimaryInheritanceChain(aObject, aCache),
290
0
             "nsISupports must be on our primary inheritance chain");
291
0
292
0
  JS::Rooted<JSObject*> global(aCx, FindAssociatedGlobal(aCx, aObject->GetParentObject()));
293
0
  if (!global) {
294
0
    return false;
295
0
  }
296
0
  MOZ_ASSERT(JS_IsGlobalObject(global));
297
0
  MOZ_ASSERT(JS::ObjectIsNotGray(global));
298
0
299
0
  // That might have ended up wrapping us already, due to the wonders
300
0
  // of XBL.  Check for that, and bail out as needed.
301
0
  aReflector.set(aCache->GetWrapper());
302
0
  if (aReflector) {
303
#ifdef DEBUG
304
    AssertReflectorHasGivenProto(aCx, aReflector, aGivenProto);
305
#endif // DEBUG
306
    return true;
307
0
  }
308
0
309
0
  JSAutoRealm ar(aCx, global);
310
0
  JS::Handle<JSObject*> canonicalProto = GetProtoObjectHandle(aCx);
311
0
  if (!canonicalProto) {
312
0
    return false;
313
0
  }
314
0
  JS::Rooted<JSObject*> proto(aCx);
315
0
  if (aGivenProto) {
316
0
    proto = aGivenProto;
317
0
    // Unfortunately, while aGivenProto was in the compartment of aCx
318
0
    // coming in, we changed compartments to that of "parent" so may need
319
0
    // to wrap the proto here.
320
0
    if (js::GetContextCompartment(aCx) != js::GetObjectCompartment(proto)) {
321
0
      if (!JS_WrapObject(aCx, &proto)) {
322
0
        return false;
323
0
      }
324
0
    }
325
0
  } else {
326
0
    proto = canonicalProto;
327
0
  }
328
0
329
0
  BindingJSObjectCreator<mozilla::dom::ImageBitmapRenderingContext> creator(aCx);
330
0
  creator.CreateObject(aCx, sClass.ToJSClass(), proto, aObject, aReflector);
331
0
  if (!aReflector) {
332
0
    return false;
333
0
  }
334
0
335
0
  aCache->SetWrapper(aReflector);
336
0
  creator.InitializationSucceeded();
337
0
338
0
  MOZ_ASSERT(aCache->GetWrapperPreserveColor() &&
339
0
             aCache->GetWrapperPreserveColor() == aReflector);
340
0
  // If proto != canonicalProto, we have to preserve our wrapper;
341
0
  // otherwise we won't be able to properly recreate it later, since
342
0
  // we won't know what proto to use.  Note that we don't check
343
0
  // aGivenProto here, since it's entirely possible (and even
344
0
  // somewhat common) to have a non-null aGivenProto which is the
345
0
  // same as canonicalProto.
346
0
  if (proto != canonicalProto) {
347
0
    PreserveWrapper(aObject);
348
0
  }
349
0
350
0
  return true;
351
0
}
352
353
const NativePropertyHooks sNativePropertyHooks[] = { {
354
  nullptr,
355
  nullptr,
356
  nullptr,
357
  { sNativeProperties.Upcast(), nullptr },
358
  prototypes::id::ImageBitmapRenderingContext,
359
  constructors::id::ImageBitmapRenderingContext,
360
  nullptr,
361
  &DefaultXrayExpandoObjectClass
362
} };
363
364
void
365
CreateInterfaceObjects(JSContext* aCx, JS::Handle<JSObject*> aGlobal, ProtoAndIfaceCache& aProtoAndIfaceCache, bool aDefineOnGlobal)
366
0
{
367
0
  JS::Rooted<JSObject*> parentProto(aCx, JS::GetRealmObjectPrototype(aCx));
368
0
  if (!parentProto) {
369
0
    return;
370
0
  }
371
0
372
0
  JS::Rooted<JSObject*> constructorProto(aCx, JS::GetRealmFunctionPrototype(aCx));
373
0
  if (!constructorProto) {
374
0
    return;
375
0
  }
376
0
377
0
  static bool sIdsInited = false;
378
0
  if (!sIdsInited && NS_IsMainThread()) {
379
0
    if (!InitIds(aCx, sNativeProperties.Upcast())) {
380
0
      return;
381
0
    }
382
0
    sIdsInited = true;
383
0
  }
384
0
385
0
  JS::Heap<JSObject*>* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::ImageBitmapRenderingContext);
386
0
  JS::Heap<JSObject*>* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::ImageBitmapRenderingContext);
387
0
  dom::CreateInterfaceObjects(aCx, aGlobal, parentProto,
388
0
                              &sPrototypeClass.mBase, protoCache,
389
0
                              nullptr,
390
0
                              constructorProto, &sInterfaceObjectClass.mBase, 0, nullptr,
391
0
                              interfaceCache,
392
0
                              sNativeProperties.Upcast(),
393
0
                              nullptr,
394
0
                              "ImageBitmapRenderingContext", aDefineOnGlobal,
395
0
                              nullptr,
396
0
                              false);
397
0
}
398
399
JSObject*
400
GetConstructorObject(JSContext* aCx)
401
0
{
402
0
  return GetConstructorObjectHandle(aCx);
403
0
}
404
405
} // namespace ImageBitmapRenderingContext_Binding
406
407
408
409
} // namespace dom
410
} // namespace mozilla