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include/comma/basic/IdentifierInfo.h

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//===-- basic/IdentifierInfo.h -------------------------------- -*- C++ -*-===//
//
// This file is distributed under the MIT license.  See LICENSE.txt for details.
//
// Copyright (C) 2008-2009 Stephen Wilson
//
//===----------------------------------------------------------------------===//

#ifndef COMMA_BASIC_IDENTIFIERINFO_HDR_GUARD
#define COMMA_BASIC_IDENTIFIERINFO_HDR_GUARD

#include "comma/basic/Attributes.h"

#include "llvm/ADT/StringMap.h"

#include <cassert>

namespace comma {

class IdentifierInfo {

public:
    IdentifierInfo()
        : attributeID(attrib::UNKNOWN_ATTRIBUTE),
          metadata(0) { }

    const char *getString() const {
        return llvm::StringMapEntry<IdentifierInfo>::
            GetStringMapEntryFromValue(*this).getKeyData();
    }

    template<typename T>
    T* getMetadata() const { return static_cast<T*>(metadata); }

    void setMetadata(void *mdata) { metadata = mdata; }

    bool hasMetadata() const { return metadata != 0; }

    void setAttributeID(attrib::AttributeID ID) { attributeID = ID; }

    attrib::AttributeID getAttributeID() const { return attributeID; }

private:
    attrib::AttributeID attributeID : 8; 
    void *metadata;
};

} // End comma namespace

#endif

---