ChakraCore/lib/Runtime/Library/JavascriptSimdFloat64x2.h

//-------------------------------------------------------------------------------------------------------
// Copyright (C) Microsoft. All rights reserved.
// Licensed under the MIT license. See LICENSE.txt file in the project root for full license information.
//-------------------------------------------------------------------------------------------------------
#pragma once

class JavascriptSIMDInt32x4;
class JavascriptSIMDFloat32x4;

namespace Js
{
    class JavascriptSIMDFloat64x2 sealed : public RecyclableObject
    {
    private:
        SIMDValue value;

        DEFINE_VTABLE_CTOR(JavascriptSIMDFloat64x2, RecyclableObject);

    public:
        class EntryInfo
        {
        public:
            static FunctionInfo ToString;
        };

        JavascriptSIMDFloat64x2(SIMDValue *val, StaticType *type);
        static JavascriptSIMDFloat64x2* New(SIMDValue *val, ScriptContext* requestContext);
        static bool Is(Var instance);
        static JavascriptSIMDFloat64x2* FromVar(Var aValue);

        static JavascriptSIMDFloat64x2* FromFloat32x4(JavascriptSIMDFloat32x4 *instance, ScriptContext* requestContext);
        static JavascriptSIMDFloat64x2* FromInt32x4(JavascriptSIMDInt32x4   *instance, ScriptContext* requestContext);


        __inline SIMDValue GetValue() { return value; }

        virtual BOOL GetPropertyReference(Var originalInstance, PropertyId propertyId, Var* value, PropertyValueInfo* info, ScriptContext* requestContext) override;
        virtual BOOL GetProperty(Var originalInstance, PropertyId propertyId, Var* value, PropertyValueInfo* info, ScriptContext* requestContext) override;
        virtual BOOL GetProperty(Var originalInstance, JavascriptString* propertyNameString, Var* value, PropertyValueInfo* info, ScriptContext* requestContext) override;
        virtual RecyclableObject * CloneToScriptContext(ScriptContext* requestContext) override;

        // Entry Points
        /*
        There is one toString per SIMD type. The code is entrant from value objects (e.g. a.toString()) or on arithmetic operations.
        It will also be a property of SIMD.float64x2.prototype for SIMD dynamic objects.
        */
        static Var EntryToString(RecyclableObject* function, CallInfo callInfo, ...);
        // End Entry Points

        static void ToStringBuffer(SIMDValue& value, __out_ecount(countBuffer) wchar_t* stringBuffer, size_t countBuffer, ScriptContext* scriptContext = nullptr)
        {
            swprintf_s(stringBuffer, countBuffer, L"Float64x2(%.1f,%.1f)", value.f64[SIMD_X], value.f64[SIMD_Y]);
        }

        Var  Copy(ScriptContext* requestContext);

    private:
        bool GetPropertyBuiltIns(PropertyId propertyId, Var* value, ScriptContext* requestContext);
        Var  GetSignMask();

    };
}