Fossil

  int iErrPt;           /* Index of first byte of error from start of input */
  int iErrCol;          /* Column of the error token on its line */
  int iStart;           /* Start position of the error context */
  int iEnd;             /* End position of the error context */
  int iLineno;          /* Line number of the error */
  int iFirstLineno;     /* Line number of start of error context */
  int i;                /* Loop counter */
  int iBump = 0;        /* Bump the location of the error cursor */
  char zLineno[20];     /* Buffer in which to generate line numbers */

  iErrPt = (int)(pErr->z - p->sIn.z);
  if( iErrPt>=p->sIn.n ){
    iErrPt = p->sIn.n-1;
    iBump = 1;
  }else{
    while( iErrPt>0 && (p->sIn.z[iErrPt]=='\n' || p->sIn.z[iErrPt]=='\r') ){
      iErrPt--;
      iBump = 1;
    }
  }
  iLineno = 1;
  for(i=0; i<iErrPt; i++){
    if( p->sIn.z[i]=='\n' ){
      iLineno++;
    }
  }
  iStart = 0;

    pik_append(p, zLineno, -1);
    for(i=iStart; p->sIn.z[i]!=0 && p->sIn.z[i]!='\n'; i++){}
    pik_append_errtxt(p, p->sIn.z+iStart, i-iStart);
    iStart = i+1;
    pik_append(p, "\n", 1);
  }
  for(iErrCol=0, i=iErrPt; i>0 && p->sIn.z[i]!='\n'; iErrCol++, i--){}
  for(i=0; i<iErrCol+11; i++){ pik_append(p, " ", 1); }
  for(i=0; i<iErrCol+11+iBump; i++){ pik_append(p, " ", 1); }
  for(i=0; i<(int)pErr->n; i++) pik_append(p, "^", 1);
  pik_append(p, "\n", 1);
}


/*
** Generate an error message for the output.  pErr is the token at which

#if 0
  pik_parserTrace(stdout, "parser: ");
#endif
  pik_tokenize(&s, &s.sIn, &sParse, 0);
  if( s.nErr==0 ){
    PToken token;
    memset(&token,0,sizeof(token));
    token.z = zText;
    token.z = zText + (s.sIn.n>0 ? s.sIn.n-1 : 0);
    token.n = 1;
    pik_parser(&sParse, 0, token);
  }
  pik_parserFinalize(&sParse);
  if( s.zOut==0 && s.nErr==0 ){
    pik_append(&s, "<!-- empty pikchr diagram -->\n", -1);
  }
  while( s.pVar ){

  return TCL_OK;
}


#endif /* PIKCHR_TCL */


#line 7959 "pikchr.c"
#line 7970 "pikchr.c"