include/comma/basic/Attributes.h

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

//===----------------------------------------------------------------------===//
//===----------------------------------------------------------------------===//

#ifndef COMMA_BASIC_ATTRIBUTES_HDR_GUARD
#define COMMA_BASIC_ATTRIBUTES_HDR_GUARD

#include "llvm/ADT/StringRef.h"

namespace comma {

class IdentifierPool;

namespace attrib {

enum AttributeID {
    UNKNOWN_ATTRIBUTE,

    //
    // Expression attributes.
    //
    First,
    Pos,
    Val,
    Last,

    //
    // Non-expression attributes.
    //
    Range,

    // Markers delimiting special attribute subgroups.
    FIRST_ATTRIB = First,
    LAST_ATTRIB = Range,

    FIRST_EXPR_ATTRIB = First,
    LAST_EXPR_ATTRIB = Last
};

void markAttributeIdentifiers(IdentifierPool &idPool);

AttributeID getAttributeID(const char *start, const char *end);

inline AttributeID getAttributeID(llvm::StringRef &name) {
    return getAttributeID(name.begin(), name.end());
}

const char *getAttributeString(AttributeID ID);

inline bool isExprAttibute(AttributeID ID) {
    return (FIRST_EXPR_ATTRIB <= ID) && (ID <= LAST_EXPR_ATTRIB);
}

} // end attrib namespace.

} // end comma namespace.

#endif

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