dvander@49: /* vim: set ts=4 sw=4 tw=99 et:
dvander@49:  *
dvander@49:  * Copyright (C) 2012 David Anderson
dvander@49:  *
dvander@49:  * This file is part of JITCraft.
dvander@49:  *
dvander@49:  * JITCraft is free software: you can redistribute it and/or modify it under
dvander@49:  * the terms of the GNU General Public License as published by the Free
dvander@49:  * Software Foundation, either version 3 of the License, or (at your option)
dvander@49:  * any later version.
dvander@49:  * 
dvander@49:  * Foobar is distributed in the hope that it will be useful, but WITHOUT ANY
dvander@49:  * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
dvander@49:  * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
dvander@49:  *
dvander@49:  * You should have received a copy of the GNU General Public License along with
dvander@49:  * JITCraft. If not, see http://www.gnu.org/licenses/.
dvander@49:  */
dvander@49: #ifndef _include_jitcraft_spaces_inl_h_
dvander@49: #define _include_jitcraft_spaces_inl_h_
dvander@49: 
danderson@91: #include "Objects.h"
danderson@91: 
dvander@59: namespace ke {
dvander@49: 
dvander@49: inline Address
dvander@49: HeapStack::allocate(size_t nbytes)
dvander@49: {
dvander@49:     nbytes = Align(nbytes, kObjectAlignment);
dvander@49: 
dvander@51:     if (cursor_ + nbytes > chunk_->end())
dvander@49:         return NULL;
dvander@49: 
dvander@51:     Address ptr = cursor_;
dvander@51:     cursor_ += nbytes;
dvander@49:     return ptr;
dvander@49: }
dvander@49: 
dvander@49: inline void
dvander@49: HeapStack::unwind(Address to)
dvander@49: {
dvander@51:     assert(to <= cursor_ && to >= chunk_->first());
dvander@51:     cursor_ = to;
dvander@11: }
dvander@11: 
dvander@12: inline Address
dvander@11: OldSpace::allocate(size_t nbytes)
dvander@11: {
dvander@11:     assert(IsAligned(nbytes, kObjectAlignment));
dvander@11: 
dvander@51:     if (cursor_ + nbytes > last_->end())
dvander@51:         return allocateSlow(nbytes);
dvander@11: 
dvander@53:     Address addr = cursor_;
dvander@51:     cursor_ += nbytes;
dvander@51:     return addr;
dvander@49: }
dvander@49: 
danderson@91: template <typename SizeEvaluator> inline Object *
danderson@91: ChunkObjectIteratorBase<SizeEvaluator>::next()
danderson@91: {
danderson@91:     while (current_ && current_ != top_) {
danderson@91:         Object *obj = reinterpret_cast<Object *>(current_);
danderson@91:         size_t size = evaluator_(obj, obj->map());
danderson@91:         current_ += size;
danderson@91:         if (current_ == chunk_->end()) {
danderson@91:             chunk_ = chunk_->next();
danderson@91:             current_ = chunk_ ? chunk_->first() : NULL;
danderson@91:         }
danderson@91:         if (obj->is(MapKind_FreeRegion))
danderson@91:             continue;
danderson@91:     }
danderson@91:     return NULL;
danderson@91: }
danderson@91: 
dvander@49: }
dvander@49: 
dvander@49: #endif // _include_jitcraft_spaces_inl_h_