/*

  * Copyright (C) 2012 David Anderson

  *

  * This file is part of JITCraft.

  *

  * JITCraft is free software: you can redistribute it and/or modify it under

  * the terms of the GNU General Public License as published by the Free

  * Software Foundation, either version 3 of the License, or (at your option)

  * any later version.

  * 

  * Foobar is distributed in the hope that it will be useful, but WITHOUT ANY

  * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS

  * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

  *

  * You should have received a copy of the GNU General Public License along with

  * JITCraft. If not, see http://www.gnu.org/licenses/.

  */

 #include <limits.h>

 #include <string.h>

 #include "FixedArray.h"

 #include "Zone.h"

 #include "Heap-inl.h"

 using namespace ke;

 static const unsigned kMaxFixedArrayLength = ((INT_MAX - sizeof(FixedArray)) / sizeof(ke::Object *));

 FixedArray *

 FixedArray::New(Zone *zone, unsigned length, Heap::Tenure tenure)

 {

     if (length >= kMaxFixedArrayLength) {

         zone->reportError(Message_ArrayTooBig);

         return NULL;

     }

     Local<FixedArray> array(zone, FixedArray::cast(zone->allocate(MapKind_FixedArray, SizeFor(length), tenure)));

     if (!array)

         return NULL;

     array->length_ = length;

     memset(array->vec(), 0, length * sizeof(Object *));

     return array;

 }

 ByteArray *

 ByteArray::New(Zone *zone, unsigned length, Heap::Tenure tenure)

 {

     if (length >= kMaxFixedArrayLength) {

         zone->reportError(Message_ArrayTooBig);

         return NULL;

     }

     Local<ByteArray> array(zone, ByteArray::cast(zone->allocate(MapKind_ByteArray, SizeFor(length), tenure)));

     if (!array)

         return NULL;

     array->length_ = length;

     memset(array->raw(), 0, length);

     return array;

 }

 ByteArray *

 ByteArray::New(Zone *zone, Handle<Map> map, unsigned length, Heap::Tenure tenure)

 {

     if (length >= kMaxFixedArrayLength) {

         zone->reportError(Message_ArrayTooBig);

         return NULL;

     }

     Local<ByteArray> array(zone, ByteArray::cast(zone->allocate(map, SizeFor(length), tenure)));

     if (!array)

         return NULL;

     array->length_ = length;

     memset(array->raw(), 0, length);

     return array;

 }