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HxSyntaxLeafNode.h

/*
 *  Copyright (c) 1998, University of Amsterdam, The Netherlands.
 *  All rights reserved.
 *
 *
 *  Author(s):
 *  Dennis Koelma (koelma@wins.uva.nl)
 *  Edo Poll (poll@wins.uva.nl)
 */

#ifndef HxSyntaxLeafNode_h
#define HxSyntaxLeafNode_h

#include "HxIoFwd.h"
#include "HxToken.h"
#include "HxSyntaxNode.h"

#include "HxMemoryPool.h"
#include "HxMemoryPoolFactory.h"


class HxSyntaxLeafNode : public HxSyntaxNode
{
public:
                            HxSyntaxLeafNode(const HxToken&);
    virtual                 ~HxSyntaxLeafNode();

    virtual int             type() const;
    virtual STD_OSTREAM&    put(STD_OSTREAM&, int indent = 0) const;

    HxToken&                token();

    virtual void            destroy();

    void*                   operator new(size_t);
    void                    operator delete(void*);

private:
    HxToken                 _token;

    static HxMemoryPool*    _memoryPool;

};

inline HxSyntaxNode*
makeHxSyntaxNode(const HxToken& token) { return new HxSyntaxLeafNode(token); }

inline
HxSyntaxLeafNode::HxSyntaxLeafNode(const HxToken& token) : _token(token) {}

inline HxToken&
HxSyntaxLeafNode::token() { return _token; }

inline void*
HxSyntaxLeafNode::operator new(size_t s)
{
    if (!_memoryPool)
        _memoryPool = HxMemoryPoolFactory::instance().getMemoryPool(s);
    return _memoryPool->alloc();
}

inline void
HxSyntaxLeafNode::operator delete(void* m) { _memoryPool->free(m); }

#endif

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