DictEntry.hh

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/*
 * PUBLIC DOMAIN PCCTS-BASED C++ GRAMMAR (cplusplus.g, stat.g, expr.g)
 *
 * Authors: Sumana Srinivasan, NeXT Inc.;            sumana_srinivasan@next.com
 *          Terence Parr, Parr Research Corporation; parrt@parr-research.com
 *          Russell Quong, Purdue University;        quong@ecn.purdue.edu
 *
 * SOFTWARE RIGHTS
 *
 * This file is a part of the ANTLR-based C++ grammar and is free
 * software.  We do not reserve any LEGAL rights to its use or
 * distribution, but you may NOT claim ownership or authorship of this
 * grammar or support code.  An individual or company may otherwise do
 * whatever they wish with the grammar distributed herewith including the
 * incorporation of the grammar or the output generated by ANTLR into
 * commerical software.  You may redistribute in source or binary form
 * without payment of royalties to us as long as this header remains
 * in all source distributions.
 *
 * We encourage users to develop parsers/tools using this grammar.
 * In return, we ask that credit is given to us for developing this
 * grammar.  By "credit", we mean that if you incorporate our grammar or
 * the generated code into one of your programs (commercial product,
 * research project, or otherwise) that you acknowledge this fact in the
 * documentation, research report, etc....  In addition, you should say nice
 * things about us at every opportunity.
 *
 * As long as these guidelines are kept, we expect to continue enhancing
 * this grammar.  Feel free to send us enhancements, fixes, bug reports,
 * suggestions, or general words of encouragement at parrt@parr-research.com.
 * 
 * NeXT Computer Inc.
 * 900 Chesapeake Dr.
 * Redwood City, CA 94555
 * 12/02/1994
 * 
 * Restructured for public consumption by Terence Parr late February, 1995.
 *
 * Requires PCCTS 1.32b4 or higher to get past ANTLR. 
 * 
 * DISCLAIMER: we make no guarantees that this grammar works, makes sense,
 *             or can be used to do anything useful.
 */
/* 1999-2004 Version 3.0 July 2004
 * Modified by David Wigg at London South Bank University for CPP_parser.g
 *
 * See MyReadMe.txt for further information
 *
 * This file is best viewed in courier font with tabs set to 4 spaces
 */

#ifndef DictEntry_hpp
#define DictEntry_hpp

class DictEntry 
{
protected:
    std::string key;
    int hashCode;
    DictEntry *next;            // next element in the bucket
    DictEntry *scope;           // next element in the scope

public:
    int this_scope;                     // 4/2/96 LL - added to store scope

    DictEntry()
    { 
        hashCode = -1; 
        next = scope = NULL;
    }
    DictEntry(const std::string& k, int h = -1) 
    { 
        key = k; 
        hashCode = h; 
        next = scope = NULL;
    }
    virtual ~DictEntry()
    { 
        hashCode = -1; 
        next = scope = NULL;
    }

    void setKey(const std::string& k)   {key = k;}
    const std::string& getKey() {return key;}

    void setHashCode(int h)     {hashCode = h;}
    int getHashCode()           {return hashCode;}

    void setNext(DictEntry *n)  {next = n;}
    DictEntry *getNext()                {return next;}

    void setScope(DictEntry *s) {scope = s;}
    DictEntry *getNextInScope() {return scope;}
};

#endif