/* vim: set ts=4 sw=4 tw=99 et:

  *

  * Copyright (C) 2012 David Anderson

  *

  * This file is part of SourcePawn.

  *

  * SourcePawn 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.

  * 

  * SourcePawn 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

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

  */

 #include "Structures.h"

 #include "Zone.h"

 #include "Types.h"

 #include "Spaces-inl.h"

 #include "Heap-inl.h"

 using namespace ke;

 StructureBufferBuilder::StructureBufferBuilder()

   : size_(0)

 {

 }

 bool

 StructureBufferBuilder::add(Handle<Type> type, unsigned *offset)

 {

     *offset = size_;

     if (!type->isTraceable()) {

         // For now, assume the size of primitives is 4-byte.

         assert(type->isInt32() || type->isFloat());

         size_ += 4;

         return true;

     }

     if (!offsets_.append(size_))

         return false;

     size_ += sizeof(Object *);

     return true;

 }

 Descriptor *

 Descriptor::New(Zone *zone, Handle<String> name, Handle<Type> type, unsigned offset)

 {

     Local<Descriptor> desc(zone,

         Descriptor::cast(zone->allocate(MapKind_Descriptor, sizeof(Descriptor), Heap::Tenure_Old)));

     if (!desc)

         return NULL;

     desc->name_ = name;

     desc->type_ = type;

     desc->offset_ = offset;

     return desc;

 }