Expose SIMD.Float32x4 type to Javascript.

include/v8.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 /** \mainpage V8 API Reference Guide
  *
  * V8 is Google's open source JavaScript engine.
  *
  * This set of documents provides reference material generated from the
  * V8 header file, include/v8.h.
@@ skipping 56 matching lines @@
 
 class AccessorSignature;
 class Array;
 class Boolean;
 class BooleanObject;
 class Context;
 class CpuProfiler;
 class Data;
 class Date;
 class External;
+class Float32x4Object;
 class Function;
 class FunctionTemplate;
 class HeapProfiler;
 class ImplementationUtilities;
 class Int32;
 class Integer;
 class Isolate;
 template <class T>
 class Maybe;
 class Name;
@@ skipping 1698 matching lines @@
    */
   bool IsStringObject() const;
 
   /**
    * Returns true if this value is a Symbol object.
    * This is an experimental feature.
    */
   bool IsSymbolObject() const;
 
   /**
+   * Returns true if this value is a Float32x4 object.
+   * This is an experimental feature.
+   */
+  bool IsFloat32x4Object() const;
+
+  /**
    * Returns true if this value is a NativeError.
    */
   bool IsNativeError() const;
 
   /**
    * Returns true if this value is a RegExp.
    */
   bool IsRegExp() const;
 
   /**
@@ skipping 2031 matching lines @@
 
   static const int kInternalFieldCount = V8_ARRAY_BUFFER_INTERNAL_FIELD_COUNT;
 
  private:
   SharedArrayBuffer();
   static void CheckCast(Value* obj);
 };
 
 
 /**
+ * An instance of Float32x4 constructor.
+ * (ES7 draft http://littledan.github.io/simd.html).
+ * This API is experimental and may change significantly.
+ */
+class V8_EXPORT Float32x4 : public Value {
+ public:
+  static Local<Float32x4> New(Isolate* isolate, float w, float x, float y,
+                              float z);
+  V8_INLINE static Float32x4* Cast(Value* obj);
+
+ private:
+  Float32x4();
+  static void CheckCast(Value* obj);
+};
+
+
+/**
  * An instance of the built-in Date constructor (ECMA-262, 15.9).
  */
 class V8_EXPORT Date : public Object {
  public:
   static V8_DEPRECATE_SOON("Use maybe version.",
                            Local<Value> New(Isolate* isolate, double time));
   static V8_WARN_UNUSED_RESULT MaybeLocal<Value> New(Local<Context> context,
                                                      double time);
 
   /**
@@ skipping 83 matching lines @@
   Local<Symbol> ValueOf() const;
 
   V8_INLINE static SymbolObject* Cast(v8::Value* obj);
 
  private:
   static void CheckCast(v8::Value* obj);
 };
 
 
 /**
+ * A Float32x4 object (ECMA-262 edition 7).

[rossberg, 2015/07/02 13:35:43]

Nit: point to draft instead

[bbudge, 2015/07/06 23:59:04]

Done.

+ *
+ * This is an experimental feature. Use at your own risk.
+ */
+class V8_EXPORT Float32x4Object : public Object {
+ public:
+  static Local<Value> New(Isolate* isolate, Handle<Float32x4> value);
+
+  Local<Float32x4> ValueOf() const;
+
+  V8_INLINE static Float32x4Object* Cast(v8::Value* obj);
+
+ private:
+  static void CheckCast(v8::Value* obj);
+};
+
+
+/**
  * An instance of the built-in RegExp constructor (ECMA-262, 15.10).
  */
 class V8_EXPORT RegExp : public Object {
  public:
   /**
    * Regular expression flag bits. They can be or'ed to enable a set
    * of flags.
    */
   enum Flags {
     kNone = 0,
@@ skipping 2992 matching lines @@
   static const int kHeapObjectMapOffset = 0;
   static const int kMapInstanceTypeAndBitFieldOffset =
       1 * kApiPointerSize + kApiIntSize;
   static const int kStringResourceOffset = 3 * kApiPointerSize;
 
   static const int kOddballKindOffset = 3 * kApiPointerSize;
   static const int kForeignAddressOffset = kApiPointerSize;
   static const int kJSObjectHeaderSize = 3 * kApiPointerSize;
   static const int kFixedArrayHeaderSize = 2 * kApiPointerSize;
   static const int kContextHeaderSize = 2 * kApiPointerSize;
-  static const int kContextEmbedderDataIndex = 80;
+  static const int kContextEmbedderDataIndex = 82;
   static const int kFullStringRepresentationMask = 0x07;
   static const int kStringEncodingMask = 0x4;
   static const int kExternalTwoByteRepresentationTag = 0x02;
   static const int kExternalOneByteRepresentationTag = 0x06;
 
   static const int kIsolateEmbedderDataOffset = 0 * kApiPointerSize;
   static const int kAmountOfExternalAllocatedMemoryOffset =
       4 * kApiPointerSize;
   static const int kAmountOfExternalAllocatedMemoryAtLastGlobalGCOffset =
       kAmountOfExternalAllocatedMemoryOffset + kApiInt64Size;
@@ skipping 900 matching lines @@
 
 
 SymbolObject* SymbolObject::Cast(v8::Value* value) {
 #ifdef V8_ENABLE_CHECKS
   CheckCast(value);
 #endif
   return static_cast<SymbolObject*>(value);
 }
 
 
+Float32x4Object* Float32x4Object::Cast(v8::Value* value) {
+#ifdef V8_ENABLE_CHECKS
+  CheckCast(value);
+#endif
+  return static_cast<Float32x4Object*>(value);
+}
+
+
 NumberObject* NumberObject::Cast(v8::Value* value) {
 #ifdef V8_ENABLE_CHECKS
   CheckCast(value);
 #endif
   return static_cast<NumberObject*>(value);
 }
 
 
 BooleanObject* BooleanObject::Cast(v8::Value* value) {
 #ifdef V8_ENABLE_CHECKS
@@ skipping 469 matching lines @@
  */
 
 
 }  // namespace v8
 
 
 #undef TYPE_CHECK
 
 
 #endif  // V8_H_