/******************************************************************************/
/*                                                                            */
/*     CONV (converter) for Agrif (Adaptive Grid Refinement In Fortran)       */
/*                                                                            */
/*     Copyright (C) 2005 Laurent Debreu (Laurent.Debreu@imag.fr)             */
/*                        Cyril Mazauric (Cyril.Mazauric@imag.fr)             */
/*                                                                            */
/*     This program is free software; you can redistribute it and/or modify   */
/*    it                                                                      */
/*                                                                            */
/*    This program is distributed in the hope that it will be useful,         */
/*     but WITHOUT ANY WARRANTY; without even the implied warranty of         */
/*     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the          */
/*    GNU General Public License for more details.                            */
/*                                                                            */
/******************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "decl.h"

/******************************************************************************/
/*                        ajoutenotgriddep                                    */
/******************************************************************************/
/* This subroutine is used to add a record into listenotgriddepend            */
/*    This variable is add only if it is not present in the list              */
/*    This variable is add at the end of the list                             */
/******************************************************************************/
/*        _______     _______     _______     _______     _______             */
/*       + not  +    + not  +    +  not +    +  not +    +      +             */
/*       + grid +--->+ grid +--->+ grid +--->+ grid +--->+ NEW  +             */
/*       +______+    +______+    +______+    +______+    +______+             */
/*                                                                            */
/******************************************************************************/
void ajoutenotgriddep (char *name)
{
   /*                                                                         */
   variabletempo =(variable *)NULL;
   listvartempo=(listvar *)NULL;
   /* create the record                                                       */
   variabletempo=createvar(name,NULL);
   /* look in the listenotgriddepend if this variable exist                   */
   listvartempo = listenotgriddepend;
   while (listvartempo)
   {
     if (!strcasecmp(listvartempo->var->nomvar,name))
     {
        /* if this variable exist -> exit of the program                      */
        printf(" The variable %s\n",name);
        printf(" has been declared twice \n");
        printf(" as a non grid dependent variable \n");
        exit(1);
     }
      listvartempo= listvartempo->suiv;
   }
   /* if variable does not exist, we add it                                   */
   listvartempo = insertvar(listenotgriddepend,variabletempo);
   listenotgriddepend = listvartempo;
}

/******************************************************************************/
/*                           RemoveNotgriddependFromGlobliste                 */
/******************************************************************************/
/* This subroutine is used to remove from the globliste all variables         */
/* which are not grid dependent                                               */
/******************************************************************************/
/*        _______     _______     _______     _______     _______             */
/*       +      +    +      +    +      +    +      +    +      +             */
/*       + glob +--->+ glob +--->+ glob +--->+ glob +--->+ glob +             */
/*       +______+    +______+    +______+    +______+    +______+             */
/*                                          not grid                          */
/*                                            remove                          */
/*                                                                            */
/******************************************************************************/
void RemoveNotgriddependFromGlobliste()
{
   listvar  *newvarglobliste;
   listvar  *newvargloblistePrec;
   listvar  *newvarnotgriddepend;
   listvar  *newvarnotgriddependPrec;
   int      Out;
   int      Out1;
   
   if ( listenotgriddepend )
   {
      newvargloblistePrec = (listvar *)NULL;
      newvarnotgriddependPrec = (listvar *)NULL;
      /* Read of the globliste                                                */
      newvarglobliste = globliste;
      Out1 = 1 ;
      while ( newvarglobliste && Out1 == 1 )
      {
         newvarnotgriddepend = listenotgriddepend;
	 Out = 1 ;
         /* Read of the notgriddepend                                         */
	 while ( newvarnotgriddepend && Out == 1 )
	 {
            /* If the variable is in the notgriddepend list                   */
	    if ( ! strcasecmp(newvarglobliste->var->nomvar,
                                             newvarnotgriddepend->var->nomvar) )
	    {
               /* We should go out of the loop so Out = 0                     */
               Out = 0 ;
	       /* We remove the variable from the globliste                   */
	       /* If we are at the beginning of the globliste                 */
               if ( newvarglobliste == globliste )
               {
                  globliste = globliste->suiv;		     
               }
               else
               {
                  newvargloblistePrec->suiv = newvarglobliste->suiv;
                  newvarglobliste = newvargloblistePrec;
               }
               /* We remove the variable from the notgriddepend list          */
              if ( newvarnotgriddepend == listenotgriddepend )
              {
                 listenotgriddepend = listenotgriddepend->suiv;		     
              }
              else
              {
                 newvarnotgriddependPrec->suiv = newvarnotgriddepend->suiv;
                 newvarnotgriddepend = newvarnotgriddependPrec;
               }
	    }
            /* If the variable is not in the notgriddepend list               */
	    else
	    {
	       newvarnotgriddependPrec = newvarnotgriddepend;
	       newvarnotgriddepend = newvarnotgriddepend->suiv;
	    }
	 }
	 /* If the notgriddepend list is empty we go out of this subroutine   */
	 if ( !listenotgriddepend )
	 {
	    Out1 = 0;
	 }
	 newvargloblistePrec = newvarglobliste;
	 newvarglobliste = newvarglobliste->suiv;
      }
   }
}

/******************************************************************************/
/*                      VarIsNonGridDepend                                    */
/******************************************************************************/
/* This subroutine is used to know if a variable has been declared as non     */
/* grid dependent                                                             */
/******************************************************************************/
/*                                                                            */
/*  notgriddepend variable;    ----------->  VarIsNonGridDepend = 1           */
/*                                                                            */
/*                                                                            */
/******************************************************************************/
int VarIsNonGridDepend(char *name)
{
   listvar *newvar;
   int out;

   newvar = listenotgriddepend;
   out=0;
   while (newvar && out == 0 )
   {
      if ( !strcasecmp(newvar->var->nomvar,name) ) out = 1;
      else newvar = newvar->suiv;
   }
   return out;
}


/******************************************************************************/
/*                       DECL_0_NonGridDepDeclaration                         */
/******************************************************************************/
/* Firstpass 0                                                                */
/* We should modify this declaration in the file fortranout                   */
/******************************************************************************/
void DECL_0_NonGridDepDeclaration(listvar *listtomodify)
{
   if ( (aftercontainsdeclare == 0 && VariableIsParameter == 0) )
   {
      if (firstpass == 0)
      {
         pos_end = setposcur();
         RemoveWordSET(fortranout,pos_cur,
                               pos_end-pos_cur);
         /* Modifications of declarations */
         NonGridDepDeclaration(listtomodify);
      }
   }
}