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SList.h

#ifndef SList_h
#define SList_h

/*
 * SList.h
 *
 * SOFTWARE RIGHTS
 *
 * We reserve no LEGAL rights to SORCERER -- SORCERER is in the public
 * domain.  An individual or company may do whatever they wish with
 * source code distributed with SORCERER or the code generated by
 * SORCERER, including the incorporation of SORCERER, or its output, into
 * commerical software.
 *
 * We encourage users to develop software with SORCERER.  However, we do
 * ask that credit is given to us for developing SORCERER.  By "credit",
 * we mean that if you incorporate our source code into one of your
 * programs (commercial product, research project, or otherwise) that you
 * acknowledge this fact somewhere in the documentation, research report,
 * etc...  If you like SORCERER and have developed a nice tool with the
 * output, please mention that you developed it using SORCERER.  In
 * addition, we ask that this header remain intact in our source code.
 * As long as these guidelines are kept, we expect to continue enhancing
 * this system and expect to make other tools available as they are
 * completed.
 *
 * PCCTS 1.33
 * Terence Parr
 * Parr Research Corporation
 * with Purdue University and AHPCRC, University of Minnesota
 * 1992-2000
 */

#include "pcctscfg.h"

#include "pccts_stdio.h"
#include "pccts_stdlib.h"

PCCTS_NAMESPACE_STD

#include "PCCTSAST.h"

class PCCTS_AST;

class SListNode {
protected:
      void *_elem;                  /* pointer to any kind of element */
      SListNode *_next;
public:
      SListNode()                   {_elem=_next=NULL;}
      virtual ~SListNode()    {_elem=_next=NULL;}
      void *elem()                  { return _elem; }
      void setElem(void *e)   { _elem = e; }
      void setNext(SListNode *t)    { _next = t; }
      SListNode *next()       { return _next; }
};

class SList {
      SListNode *head, *tail;
public:
      SList() {head=tail=NULL;}
      virtual ~SList() {head=tail=NULL;}
      virtual void *iterate(SListNode **);
      virtual void add(void *e);
      virtual void lfree();
      virtual PCCTS_AST *to_ast(SList list);
      virtual void require(int e,char *err){ if ( !e ) panic(err); }
      virtual void panic(char *err){ /* MR23 */ printMessage(stderr, "SList panic: %s\n", err); exit(PCCTS_EXIT_FAILURE); }
      virtual int printMessage(FILE* pFile, const char* pFormat, ...); // MR23
};

#endif

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