// Copyright © 2017 Project Golan, all rights reserved.
#ifndef m_tokbuf_h
#define m_tokbuf_h

#include "m_token.h"

// Extern Functions ----------------------------------------------------------|

M_token *M_TokBuf_Get(struct M_tkbuf *tb);
M_token *M_TokBuf_UnGet(struct M_tkbuf *tb);
M_token *M_TokBuf_ReGet(struct M_tkbuf *tb);
bool M_TokBuf_Drop(struct M_tkbuf *tb, M_tokty t);

// Types ---------------------------------------------------------------------|

enum M_tkprc
{
   tokproc_next,
   tokproc_done,
   tokproc_skip
};

typedef struct M_tkbuf
{
   __prop get   {call: M_TokBuf_Get  (this)}
   __prop unget {call: M_TokBuf_UnGet(this)}
   __prop reget {call: M_TokBuf_ReGet(this)}
   __prop drop  {call: M_TokBuf_Drop (this)}

   FILE    *fp;
   M_token *toks;
   int      tpos, tend;
   int      bbeg, bend;
   void    *udata;

   enum M_tkprc (*tokProcess)(M_token *tok, void *udata);
} M_tkbuf;

#endif