1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/jitcraft/Structures.cpp	Mon Jul 23 01:19:44 2012 -0700
     1.3 @@ -0,0 +1,46 @@
     1.4 +/* vim: set ts=4 sw=4 tw=99 et
     1.5 + *
     1.6 + * Copyright (C) 2012 David Anderson
     1.7 + *
     1.8 + * This file is part of JITCraft.
     1.9 + *
    1.10 + * JITCraft is free software: you can redistribute it and/or modify it under
    1.11 + * the terms of the GNU General Public License as published by the Free
    1.12 + * Software Foundation, either version 3 of the License, or (at your option)
    1.13 + * any later version.
    1.14 + * 
    1.15 + * Foobar is distributed in the hope that it will be useful, but WITHOUT ANY
    1.16 + * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
    1.17 + * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
    1.18 + *
    1.19 + * You should have received a copy of the GNU General Public License along with
    1.20 + * JITCraft. If not, see http://www.gnu.org/licenses/.
    1.21 + */
    1.22 +#include "Structures.h"
    1.23 +#include "Types.h"
    1.24 +
    1.25 +using namespace ke;
    1.26 +
    1.27 +StructureBufferBuilder::StructureBufferBuilder()
    1.28 +  : size_(0)
    1.29 +{
    1.30 +}
    1.31 +
    1.32 +bool
    1.33 +StructureBufferBuilder::add(Handle<Type> type, unsigned *offset)
    1.34 +{
    1.35 +    *offset = size_;
    1.36 +
    1.37 +    if (!type->isTraceable()) {
    1.38 +        // For now, assume the size of primitives is 4-byte.
    1.39 +        assert(type->isInt32() || type->isFloat());
    1.40 +        size_ += 4;
    1.41 +        return true;
    1.42 +    }
    1.43 +
    1.44 +    if (!offsets_.append(size_))
    1.45 +        return false;
    1.46 +
    1.47 +    size_ += sizeof(Object *);
    1.48 +    return true;
    1.49 +}