ChakraCore/lib/Runtime/Library/JavascriptSimdFloat32x4.cpp

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

namespace Js
{
    JavascriptSIMDFloat32x4::JavascriptSIMDFloat32x4(StaticType *type) : JavascriptSIMDType(type)
    {
        Assert(type->GetTypeId() == TypeIds_SIMDFloat32x4);
    }

    JavascriptSIMDFloat32x4::JavascriptSIMDFloat32x4(SIMDValue *val, StaticType *type) : JavascriptSIMDType(val, type)
    {
        Assert(type->GetTypeId() == TypeIds_SIMDFloat32x4);
    }

    JavascriptSIMDFloat32x4* JavascriptSIMDFloat32x4::AllocUninitialized(ScriptContext* requestContext)
    {
        return (JavascriptSIMDFloat32x4 *)AllocatorNew(Recycler, requestContext->GetRecycler(), JavascriptSIMDFloat32x4, requestContext->GetLibrary()->GetSIMDFloat32x4TypeStatic());
    }

    JavascriptSIMDFloat32x4* JavascriptSIMDFloat32x4::New(SIMDValue *val, ScriptContext* requestContext)
    {
        return (JavascriptSIMDFloat32x4 *)AllocatorNew(Recycler, requestContext->GetRecycler(), JavascriptSIMDFloat32x4, val, requestContext->GetLibrary()->GetSIMDFloat32x4TypeStatic());
    }

    bool  JavascriptSIMDFloat32x4::Is(Var instance)
    {
        return JavascriptOperators::GetTypeId(instance) == TypeIds_SIMDFloat32x4;
    }

    JavascriptSIMDFloat32x4* JavascriptSIMDFloat32x4::FromVar(Var aValue)
    {
        Assert(aValue);
        AssertMsg(Is(aValue), "Ensure var is actually a 'JavascriptSIMDFloat32x4'");

        return reinterpret_cast<JavascriptSIMDFloat32x4 *>(aValue);
    }

    Var JavascriptSIMDFloat32x4::CallToLocaleString(RecyclableObject& obj, ScriptContext& requestContext, SIMDValue simdValue,
        const Var* args, uint numArgs, CallInfo callInfo)
    {
        wchar_t *typeString = L"SIMD.Float32x4(";
        return JavascriptSIMDObject::FromVar(&obj)->ToLocaleString<float, 4>(args, numArgs, typeString,
            simdValue.f32, &callInfo, &requestContext);
    }

    void JavascriptSIMDFloat32x4::ToStringBuffer(SIMDValue& value, __out_ecount(countBuffer) wchar_t* stringBuffer, size_t countBuffer, ScriptContext* scriptContext)
    {
        const wchar_t* f0 = JavascriptNumber::ToStringRadix10((double)value.f32[0], scriptContext)->GetSz();
        const wchar_t* f1 = JavascriptNumber::ToStringRadix10((double)value.f32[1], scriptContext)->GetSz();
        const wchar_t* f2 = JavascriptNumber::ToStringRadix10((double)value.f32[2], scriptContext)->GetSz();
        const wchar_t* f3 = JavascriptNumber::ToStringRadix10((double)value.f32[3], scriptContext)->GetSz();

        swprintf_s(stringBuffer, countBuffer, L"SIMD.Float32x4(%s, %s, %s, %s)", f0, f1, f2, f3);
    }

    const wchar_t* JavascriptSIMDFloat32x4::GetFullBuiltinName(wchar_t** aBuffer, const wchar_t* name)
    {
        Assert(aBuffer && *aBuffer);
        swprintf_s(*aBuffer, SIMD_STRING_BUFFER_MAX, L"SIMD.Float32x4.%s", name);
        return *aBuffer;
    }

    RecyclableObject * JavascriptSIMDFloat32x4::CloneToScriptContext(ScriptContext* requestContext)
    {
        return JavascriptSIMDFloat32x4::New(&value, requestContext);
    }

    bool JavascriptSIMDFloat32x4::GetPropertyBuiltIns(PropertyId propertyId, Var* value, ScriptContext* requestContext)
    {
        switch (propertyId)
        {
        case PropertyIds::signMask:
            *value = GetSignMask();
            return true;
        }

        return false;
    }

    Var JavascriptSIMDFloat32x4::Copy(ScriptContext* requestContext)
    {
        return JavascriptSIMDFloat32x4::New(&this->value, requestContext);
    }

    __inline Var JavascriptSIMDFloat32x4::GetSignMask()
    {
        int signMask = SIMDFloat32x4Operation::OpGetSignMask(value);
        return TaggedInt::ToVarUnchecked(signMask);
    }
}