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Unified Diff: Source/bindings/v8/custom/V8ArrayBufferViewCustom.h

Issue 15877002: move constructors to new style callbacks (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: rebased Created 7 years, 7 months ago
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Index: Source/bindings/v8/custom/V8ArrayBufferViewCustom.h
diff --git a/Source/bindings/v8/custom/V8ArrayBufferViewCustom.h b/Source/bindings/v8/custom/V8ArrayBufferViewCustom.h
index 134ec369c5b721ad95e4b72d18b71b6637e5796a..1e650a616781e47b103c01d0ce23ed58b79f8898 100644
--- a/Source/bindings/v8/custom/V8ArrayBufferViewCustom.h
+++ b/Source/bindings/v8/custom/V8ArrayBufferViewCustom.h
@@ -49,7 +49,7 @@ const char outOfRangeLengthAndOffset[] = "Index is out of range.";
bool copyElements(v8::Handle<v8::Object> destArray, v8::Handle<v8::Object> srcArray, uint32_t length, uint32_t offset, v8::Isolate*);
template<class ArrayClass>
-v8::Handle<v8::Value> wrapArrayBufferView(const v8::Arguments& args, WrapperTypeInfo* type, ArrayClass array, v8::ExternalArrayType arrayType, bool hasIndexer)
+void wrapArrayBufferView(const v8::FunctionCallbackInfo<v8::Value>& args, WrapperTypeInfo* type, ArrayClass array, v8::ExternalArrayType arrayType, bool hasIndexer)
{
// Transform the holder into a wrapper object for the array.
ASSERT(!hasIndexer || static_cast<int32_t>(array.get()->length()) >= 0);
@@ -57,54 +57,70 @@ v8::Handle<v8::Value> wrapArrayBufferView(const v8::Arguments& args, WrapperType
args.Holder()->SetIndexedPropertiesToExternalArrayData(array.get()->baseAddress(), arrayType, array.get()->length());
v8::Handle<v8::Object> wrapper = args.Holder();
V8DOMWrapper::associateObjectWithWrapper(array.release(), type, wrapper, args.GetIsolate(), WrapperConfiguration::Independent);
- return wrapper;
+ args.GetReturnValue().Set(wrapper);
}
// Template function used by the ArrayBufferView*Constructor callbacks.
template<class ArrayClass, class ElementType>
-v8::Handle<v8::Value> constructWebGLArrayWithArrayBufferArgument(const v8::Arguments& args, WrapperTypeInfo* type, v8::ExternalArrayType arrayType, bool hasIndexer)
+void constructWebGLArrayWithArrayBufferArgument(const v8::FunctionCallbackInfo<v8::Value>& args, WrapperTypeInfo* type, v8::ExternalArrayType arrayType, bool hasIndexer)
{
ArrayBuffer* buf = V8ArrayBuffer::toNative(args[0]->ToObject());
- if (!buf)
- return throwTypeError("Could not convert argument 0 to a ArrayBuffer", args.GetIsolate());
+ if (!buf) {
+ throwTypeError("Could not convert argument 0 to a ArrayBuffer", args.GetIsolate());
+ return;
+ }
bool ok;
uint32_t offset = 0;
int argLen = args.Length();
if (argLen > 1) {
offset = toUInt32(args[1], ok);
- if (!ok)
- return throwTypeError("Could not convert argument 1 to a number", args.GetIsolate());
+ if (!ok) {
+ throwTypeError("Could not convert argument 1 to a number", args.GetIsolate());
+ return;
+ }
}
uint32_t length = 0;
if (argLen > 2) {
length = toUInt32(args[2], ok);
- if (!ok)
- return throwTypeError("Could not convert argument 2 to a number", args.GetIsolate());
+ if (!ok) {
+ throwTypeError("Could not convert argument 2 to a number", args.GetIsolate());
+ return;
+ }
} else {
- if ((buf->byteLength() - offset) % sizeof(ElementType))
- return throwError(v8RangeError, "ArrayBuffer length minus the byteOffset is not a multiple of the element size.", args.GetIsolate());
+ if ((buf->byteLength() - offset) % sizeof(ElementType)) {
+ throwError(v8RangeError, "ArrayBuffer length minus the byteOffset is not a multiple of the element size.", args.GetIsolate());
+ return;
+ }
length = (buf->byteLength() - offset) / sizeof(ElementType);
}
- if (static_cast<int32_t>(length) < 0)
- return throwError(v8RangeError, tooLargeSize, args.GetIsolate());
+ if (static_cast<int32_t>(length) < 0) {
+ throwError(v8RangeError, tooLargeSize, args.GetIsolate());
+ return;
+ }
RefPtr<ArrayClass> array = ArrayClass::create(buf, offset, length);
- if (!array)
- return throwError(v8RangeError, tooLargeSize, args.GetIsolate());
+ if (!array) {
+ throwError(v8RangeError, tooLargeSize, args.GetIsolate());
+ return;
+ }
- return wrapArrayBufferView(args, type, array, arrayType, hasIndexer);
+ wrapArrayBufferView(args, type, array, arrayType, hasIndexer);
}
// Template function used by the ArrayBufferView*Constructor callbacks.
template<class ArrayClass, class JavaScriptWrapperArrayType, class ElementType>
-v8::Handle<v8::Value> constructWebGLArray(const v8::Arguments& args, WrapperTypeInfo* type, v8::ExternalArrayType arrayType)
+void constructWebGLArray(const v8::FunctionCallbackInfo<v8::Value>& args, WrapperTypeInfo* type, v8::ExternalArrayType arrayType)
{
- if (!args.IsConstructCall())
- return throwTypeError("DOM object constructor cannot be called as a function.", args.GetIsolate());
+ if (!args.IsConstructCall()) {
+ throwTypeError("DOM object constructor cannot be called as a function.", args.GetIsolate());
+ return;
+ }
- if (ConstructorMode::current() == ConstructorMode::WrapExistingObject)
- return args.Holder();
+ if (ConstructorMode::current() == ConstructorMode::WrapExistingObject) {
+ args.GetReturnValue().Set(args.Holder());
+ return;
+ }
int argLen = args.Length();
if (!argLen) {
@@ -120,7 +136,8 @@ v8::Handle<v8::Value> constructWebGLArray(const v8::Arguments& args, WrapperType
// Do not call SetIndexedPropertiesToExternalArrayData on this
// object. Not only is there no point from a performance
// perspective, but doing so causes errors in the subset() case.
- return wrapArrayBufferView(args, type, array, arrayType, false);
+ wrapArrayBufferView(args, type, array, arrayType, false);
+ return;
}
// Supported constructors:
@@ -135,12 +152,15 @@ v8::Handle<v8::Value> constructWebGLArray(const v8::Arguments& args, WrapperType
if (args[0]->IsNull()) {
// Invalid first argument
- return throwTypeError(0, args.GetIsolate());
+ throwTypeError(0, args.GetIsolate());
+ return;
}
// See whether the first argument is a ArrayBuffer.
- if (V8ArrayBuffer::HasInstance(args[0], args.GetIsolate(), worldType(args.GetIsolate())))
- return constructWebGLArrayWithArrayBufferArgument<ArrayClass, ElementType>(args, type, arrayType, true);
+ if (V8ArrayBuffer::HasInstance(args[0], args.GetIsolate(), worldType(args.GetIsolate()))) {
+ constructWebGLArrayWithArrayBufferArgument<ArrayClass, ElementType>(args, type, arrayType, true);
+ return;
+ }
// See whether the first argument is the same type as impl. In that case,
// we can simply memcpy data from source to impl.
@@ -148,19 +168,24 @@ v8::Handle<v8::Value> constructWebGLArray(const v8::Arguments& args, WrapperType
ArrayClass* source = JavaScriptWrapperArrayType::toNative(args[0]->ToObject());
uint32_t length = source->length();
- if (static_cast<int32_t>(length) < 0)
- return throwError(v8RangeError, tooLargeSize, args.GetIsolate());
+ if (static_cast<int32_t>(length) < 0) {
+ throwError(v8RangeError, tooLargeSize, args.GetIsolate());
+ return;
+ }
RefPtr<ArrayClass> array = ArrayClass::createUninitialized(length);
- if (!array.get())
- return throwError(v8RangeError, tooLargeSize, args.GetIsolate());
+ if (!array.get()) {
+ throwError(v8RangeError, tooLargeSize, args.GetIsolate());
+ return;
+ }
array->buffer()->setDeallocationObserver(V8ArrayBufferDeallocationObserver::instance());
v8::V8::AdjustAmountOfExternalAllocatedMemory(array->byteLength());
memcpy(array->baseAddress(), source->baseAddress(), length * sizeof(ElementType));
- return wrapArrayBufferView(args, type, array, arrayType, true);
+ wrapArrayBufferView(args, type, array, arrayType, true);
+ return;
}
uint32_t len = 0;
@@ -169,12 +194,14 @@ v8::Handle<v8::Value> constructWebGLArray(const v8::Arguments& args, WrapperType
if (args[0]->IsObject()) {
srcArray = args[0]->ToObject();
- if (srcArray.IsEmpty())
- return throwTypeError("Could not convert argument 0 to an array", args.GetIsolate());
+ if (srcArray.IsEmpty()) {
+ throwTypeError("Could not convert argument 0 to an array", args.GetIsolate());
+ return;
+ }
v8::Local<v8::Value> val = srcArray->Get(v8::String::NewSymbol("length"));
if (val.IsEmpty()) {
// Exception thrown during fetch of length property.
- return v8Undefined();
+ return;
}
len = toUInt32(val);
doInstantiation = true;
@@ -187,8 +214,10 @@ v8::Handle<v8::Value> constructWebGLArray(const v8::Arguments& args, WrapperType
}
}
- if (static_cast<int32_t>(len) < 0)
- return throwError(v8RangeError, tooLargeSize, args.GetIsolate());
+ if (static_cast<int32_t>(len) < 0) {
+ throwError(v8RangeError, tooLargeSize, args.GetIsolate());
+ return;
+ }
RefPtr<ArrayClass> array;
if (doInstantiation) {
@@ -198,8 +227,10 @@ v8::Handle<v8::Value> constructWebGLArray(const v8::Arguments& args, WrapperType
array = ArrayClass::createUninitialized(len);
}
- if (!array.get())
- return throwError(v8RangeError, tooLargeSize, args.GetIsolate());
+ if (!array.get()) {
+ throwError(v8RangeError, tooLargeSize, args.GetIsolate());
+ return;
+ }
if (doInstantiation) {
array->buffer()->setDeallocationObserver(V8ArrayBufferDeallocationObserver::instance());
@@ -217,7 +248,7 @@ v8::Handle<v8::Value> constructWebGLArray(const v8::Arguments& args, WrapperType
v8::Local<v8::Value> val = srcArray->Get(i);
if (val.IsEmpty()) {
// Exception thrown during fetch.
- return v8Undefined();
+ return;
}
array->set(i, val->NumberValue());
}
@@ -226,7 +257,7 @@ v8::Handle<v8::Value> constructWebGLArray(const v8::Arguments& args, WrapperType
v8::Handle<v8::Object> wrapper = args.Holder();
V8DOMWrapper::associateObjectWithWrapper(array.release(), type, wrapper, args.GetIsolate(), WrapperConfiguration::Independent);
- return wrapper;
+ args.GetReturnValue().Set(wrapper);
}
template <class CPlusPlusArrayType, class JavaScriptWrapperArrayType>
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