/*

 * 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 "Types.h"

#include "Zone.h"

#include "Heap-inl.h"

using namespace jc;

void

Type::initPrimitive(Name *tag)

{

    WRITE_FIELD(kind, PRIMITIVE);

    WRITE_FIELD(tag, CrapPtr(tag));

    WRITE_FIELD_OBJ_NO_BARRIER(contained, NULL);

    if (tag && strcmp(tag, "Float") == 0)

        WRITE_FIELD(primitive, PrimitiveType_Float);

    else

        WRITE_FIELD(primitive, PrimitiveType_Int32);

}

void

Type::initInlineArray(Type *contained, int elements)

{

    WRITE_FIELD(kind, UNSAFE_ARRAY);

    WRITE_FIELD(tag, NULL);

    WRITE_FIELD_OBJ_NO_BARRIER(contained, contained);

    WRITE_FIELD(elements, elements);

    if (contained->isPrimitive())

        WRITE_FIELD(levels, 1);

    else

        WRITE_FIELD(levels, contained->levels() + 1);

}

Type *

Type::NewPrimitive(Zone *zone, Name *tag)

{

    Object *obj = zone->allocate(MapKind_Type, sizeof(Type), Heap::Tenure_Old);

    if (!obj)

        return NULL;

    Type *type = Type::cast(obj);

    type->initPrimitive(tag);

    return type;

}

Type *

Type::NewUnsafeArray(Zone *zone, Type *contained, int elements)

{

    Object *obj = zone->allocate(MapKind_Type, sizeof(Type), Heap::Tenure_Old);

    if (!obj)

        return NULL;

    Type *type = Type::cast(obj);

    type->initInlineArray(contained, elements);

    return type;

}