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Unified Diff: third_party/WebKit/Source/bindings/core/v8/ToV8.h

Issue 2843143002: Move more files to platform/bindings (Closed)
Patch Set: Move back IDLDictionaryBase Created 3 years, 8 months ago
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Index: third_party/WebKit/Source/bindings/core/v8/ToV8.h
diff --git a/third_party/WebKit/Source/bindings/core/v8/ToV8.h b/third_party/WebKit/Source/bindings/core/v8/ToV8.h
index 10c1cd9e810a1ac923fd6bf209ba6189e889eb70..36a3675512ba50de9bcc1668ae2bdd96707e5b40 100644
--- a/third_party/WebKit/Source/bindings/core/v8/ToV8.h
+++ b/third_party/WebKit/Source/bindings/core/v8/ToV8.h
@@ -2,306 +2,6 @@
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
-#ifndef ToV8_h
-#define ToV8_h
-
-// ToV8() provides C++ -> V8 conversion. Note that ToV8() can return an empty
-// handle. Call sites must check IsEmpty() before using return value.
-
-#include <utility>
-
-#include "bindings/core/v8/DOMDataStore.h"
-#include "bindings/core/v8/IDLDictionaryBase.h"
-#include "bindings/core/v8/ScriptState.h"
-#include "bindings/core/v8/ScriptValue.h"
-#include "bindings/core/v8/ScriptWrappable.h"
-#include "bindings/core/v8/V8Binding.h"
-#include "core/CoreExport.h"
-#include "core/dom/ArrayBufferViewHelpers.h"
-#include "platform/heap/Handle.h"
-#include "platform/wtf/Forward.h"
-#include "v8/include/v8.h"
-
-namespace blink {
-
-// ScriptWrappable
-
-inline v8::Local<v8::Value> ToV8(ScriptWrappable* impl,
- v8::Local<v8::Object> creation_context,
- v8::Isolate* isolate) {
- if (UNLIKELY(!impl))
- return v8::Null(isolate);
- v8::Local<v8::Value> wrapper = DOMDataStore::GetWrapper(impl, isolate);
- if (!wrapper.IsEmpty())
- return wrapper;
-
- wrapper = impl->Wrap(isolate, creation_context);
- DCHECK(!wrapper.IsEmpty());
- return wrapper;
-}
-
-// Primitives
-
-inline v8::Local<v8::Value> ToV8(const String& value,
- v8::Local<v8::Object> creation_context,
- v8::Isolate* isolate) {
- return V8String(isolate, value);
-}
-
-inline v8::Local<v8::Value> ToV8(const char* value,
- v8::Local<v8::Object> creation_context,
- v8::Isolate* isolate) {
- return V8String(isolate, value);
-}
-
-template <size_t sizeOfValue>
-inline v8::Local<v8::Value> ToV8SignedIntegerInternal(int64_t value,
- v8::Isolate*);
-
-template <>
-inline v8::Local<v8::Value> ToV8SignedIntegerInternal<4>(int64_t value,
- v8::Isolate* isolate) {
- return v8::Integer::New(isolate, static_cast<int32_t>(value));
-}
-
-template <>
-inline v8::Local<v8::Value> ToV8SignedIntegerInternal<8>(int64_t value,
- v8::Isolate* isolate) {
- int32_t value_in32_bit = static_cast<int32_t>(value);
- if (value_in32_bit == value)
- return v8::Integer::New(isolate, value);
- // V8 doesn't have a 64-bit integer implementation.
- return v8::Number::New(isolate, value);
-}
-
-template <size_t sizeOfValue>
-inline v8::Local<v8::Value> ToV8UnsignedIntegerInternal(uint64_t value,
- v8::Isolate*);
-
-template <>
-inline v8::Local<v8::Value> ToV8UnsignedIntegerInternal<4>(
- uint64_t value,
- v8::Isolate* isolate) {
- return v8::Integer::NewFromUnsigned(isolate, static_cast<uint32_t>(value));
-}
-
-template <>
-inline v8::Local<v8::Value> ToV8UnsignedIntegerInternal<8>(
- uint64_t value,
- v8::Isolate* isolate) {
- uint32_t value_in32_bit = static_cast<uint32_t>(value);
- if (value_in32_bit == value)
- return v8::Integer::NewFromUnsigned(isolate, value);
- // V8 doesn't have a 64-bit integer implementation.
- return v8::Number::New(isolate, value);
-}
-
-inline v8::Local<v8::Value> ToV8(int value,
- v8::Local<v8::Object> creation_context,
- v8::Isolate* isolate) {
- return ToV8SignedIntegerInternal<sizeof value>(value, isolate);
-}
-
-inline v8::Local<v8::Value> ToV8(long value,
- v8::Local<v8::Object> creation_context,
- v8::Isolate* isolate) {
- return ToV8SignedIntegerInternal<sizeof value>(value, isolate);
-}
-
-inline v8::Local<v8::Value> ToV8(long long value,
- v8::Local<v8::Object> creation_context,
- v8::Isolate* isolate) {
- return ToV8SignedIntegerInternal<sizeof value>(value, isolate);
-}
-
-inline v8::Local<v8::Value> ToV8(unsigned value,
- v8::Local<v8::Object> creation_context,
- v8::Isolate* isolate) {
- return ToV8UnsignedIntegerInternal<sizeof value>(value, isolate);
-}
-
-inline v8::Local<v8::Value> ToV8(unsigned long value,
- v8::Local<v8::Object> creation_context,
- v8::Isolate* isolate) {
- return ToV8UnsignedIntegerInternal<sizeof value>(value, isolate);
-}
-
-inline v8::Local<v8::Value> ToV8(unsigned long long value,
- v8::Local<v8::Object> creation_context,
- v8::Isolate* isolate) {
- return ToV8UnsignedIntegerInternal<sizeof value>(value, isolate);
-}
-
-inline v8::Local<v8::Value> ToV8(double value,
- v8::Local<v8::Object> creation_context,
- v8::Isolate* isolate) {
- return v8::Number::New(isolate, value);
-}
-
-inline v8::Local<v8::Value> ToV8(bool value,
- v8::Local<v8::Object> creation_context,
- v8::Isolate* isolate) {
- return v8::Boolean::New(isolate, value);
-}
-
-// Identity operator
-
-inline v8::Local<v8::Value> ToV8(v8::Local<v8::Value> value,
- v8::Local<v8::Object> creation_context,
- v8::Isolate*) {
- return value;
-}
-
-// Undefined
-
-struct ToV8UndefinedGenerator {
- DISALLOW_NEW();
-}; // Used only for having toV8 return v8::Undefined.
-
-inline v8::Local<v8::Value> ToV8(const ToV8UndefinedGenerator& value,
- v8::Local<v8::Object> creation_context,
- v8::Isolate* isolate) {
- return v8::Undefined(isolate);
-}
-
-// ScriptValue
-
-inline v8::Local<v8::Value> ToV8(const ScriptValue& value,
- v8::Local<v8::Object> creation_context,
- v8::Isolate* isolate) {
- if (value.IsEmpty())
- return v8::Undefined(isolate);
- return value.V8Value();
-}
-
-// Dictionary
-
-inline v8::Local<v8::Value> ToV8(const IDLDictionaryBase& value,
- v8::Local<v8::Object> creation_context,
- v8::Isolate* isolate) {
- return value.ToV8Impl(creation_context, isolate);
-}
-
-// Array
-
-// Declare the function here but define it later so it can call the ToV8()
-// overloads below.
-template <typename Sequence>
-inline v8::Local<v8::Value> ToV8SequenceInternal(
- const Sequence&,
- v8::Local<v8::Object> creation_context,
- v8::Isolate*);
-
-template <typename T, size_t inlineCapacity>
-inline v8::Local<v8::Value> ToV8(const Vector<T, inlineCapacity>& value,
- v8::Local<v8::Object> creation_context,
- v8::Isolate* isolate) {
- return ToV8SequenceInternal(value, creation_context, isolate);
-}
-
-template <typename T, size_t inlineCapacity>
-inline v8::Local<v8::Value> ToV8(const HeapVector<T, inlineCapacity>& value,
- v8::Local<v8::Object> creation_context,
- v8::Isolate* isolate) {
- return ToV8SequenceInternal(value, creation_context, isolate);
-}
-
-// The following two overloads are also used to convert record<K,V> IDL types
-// back into ECMAScript Objects.
-template <typename T>
-inline v8::Local<v8::Value> ToV8(const Vector<std::pair<String, T>>& value,
- v8::Local<v8::Object> creation_context,
- v8::Isolate* isolate) {
- v8::Local<v8::Object> object;
- {
- v8::Context::Scope context_scope(creation_context->CreationContext());
- object = v8::Object::New(isolate);
- }
- for (unsigned i = 0; i < value.size(); ++i) {
- v8::Local<v8::Value> v8_value = ToV8(value[i].second, object, isolate);
- if (v8_value.IsEmpty())
- v8_value = v8::Undefined(isolate);
- if (!V8CallBoolean(object->CreateDataProperty(
- isolate->GetCurrentContext(), V8String(isolate, value[i].first),
- v8_value)))
- return v8::Local<v8::Value>();
- }
- return object;
-}
-
-template <typename T>
-inline v8::Local<v8::Value> ToV8(const HeapVector<std::pair<String, T>>& value,
- v8::Local<v8::Object> creation_context,
- v8::Isolate* isolate) {
- v8::Local<v8::Object> object;
- {
- v8::Context::Scope context_scope(creation_context->CreationContext());
- object = v8::Object::New(isolate);
- }
- for (unsigned i = 0; i < value.size(); ++i) {
- v8::Local<v8::Value> v8_value = ToV8(value[i].second, object, isolate);
- if (v8_value.IsEmpty())
- v8_value = v8::Undefined(isolate);
- if (!V8CallBoolean(object->CreateDataProperty(
- isolate->GetCurrentContext(), V8String(isolate, value[i].first),
- v8_value)))
- return v8::Local<v8::Value>();
- }
- return object;
-}
-
-template <typename Sequence>
-inline v8::Local<v8::Value> ToV8SequenceInternal(
- const Sequence& sequence,
- v8::Local<v8::Object> creation_context,
- v8::Isolate* isolate) {
- v8::Local<v8::Array> array;
- {
- v8::Context::Scope context_scope(creation_context->CreationContext());
- array = v8::Array::New(isolate, sequence.size());
- }
- uint32_t index = 0;
- typename Sequence::const_iterator end = sequence.end();
- for (typename Sequence::const_iterator iter = sequence.begin(); iter != end;
- ++iter) {
- v8::Local<v8::Value> value = ToV8(*iter, array, isolate);
- if (value.IsEmpty())
- value = v8::Undefined(isolate);
- if (!V8CallBoolean(array->CreateDataProperty(isolate->GetCurrentContext(),
- index++, value)))
- return v8::Local<v8::Value>();
- }
- return array;
-}
-
-// In all cases allow script state instead of creation context + isolate.
-// Use this function only if the call site does not otherwise need the global,
-// since v8::Context::Global is heavy.
-template <typename T>
-inline v8::Local<v8::Value> ToV8(T&& value, ScriptState* script_state) {
- return ToV8(std::forward<T>(value), script_state->GetContext()->Global(),
- script_state->GetIsolate());
-}
-
-// Only declare ToV8(void*,...) for checking function overload mismatch.
-// This ToV8(void*,...) should be never used. So we will find mismatch
-// because of "unresolved external symbol".
-// Without ToV8(void*, ...), call to toV8 with T* will match with
-// ToV8(bool, ...) if T is not a subclass of ScriptWrappable or if T is
-// declared but not defined (so it's not clear that T is a subclass of
-// ScriptWrappable).
-// This hack helps detect such unwanted implicit conversions from T* to bool.
-v8::Local<v8::Value> ToV8(void* value,
- v8::Local<v8::Object> creation_context,
- v8::Isolate*) = delete;
-
-// Cannot define in ScriptValue because of the circular dependency between toV8
-// and ScriptValue
-template <typename T>
-inline ScriptValue ScriptValue::From(ScriptState* script_state, T&& value) {
- return ScriptValue(script_state, ToV8(std::forward<T>(value), script_state));
-}
-
-} // namespace blink
-
-#endif // ToV8ForPlatform_h
+// This file has been moved to platform/bindings/ToV8.h.
+// TODO(adithyas): Remove this file.
+#include "platform/bindings/ToV8.h"
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