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

  *

  * 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/.

  */

 #ifndef _include_jitcraft_spaces_inl_h_

 #define _include_jitcraft_spaces_inl_h_

 #include "Objects.h"

 namespace ke {

 inline Address

 HeapStack::allocate(size_t nbytes)

 {

     nbytes = Align(nbytes, kObjectAlignment);

     if (cursor_ + nbytes > chunk_->end())

         return NULL;

     Address ptr = cursor_;

     cursor_ += nbytes;

     return ptr;

 }

 inline void

 HeapStack::unwind(Address to)

 {

     assert(to <= cursor_ && to >= chunk_->first());

     cursor_ = to;

 }

 inline Address

 OldSpace::allocate(size_t nbytes)

 {

     assert(IsAligned(nbytes, kObjectAlignment));

     if (cursor_ + nbytes > last_->end())

         return allocateSlow(nbytes);

     Address addr = cursor_;

     cursor_ += nbytes;

     return addr;

 }

 template <typename SizeEvaluator> inline Object *

 ChunkObjectIteratorBase<SizeEvaluator>::next()

 {

     while (current_ && current_ != top_) {

         Object *obj = reinterpret_cast<Object *>(current_);

         size_t size = evaluator_(obj, obj->map());

         current_ += size;

         if (current_ == chunk_->end()) {

             chunk_ = chunk_->next();

             current_ = chunk_ ? chunk_->first() : NULL;

         }

         if (obj->is(MapKind_FreeRegion))

             continue;

     }

     return NULL;

 }

 }

 #endif // _include_jitcraft_spaces_inl_h_