Subversion Repositories sc2v

/* -----------------------------------------------------------------------------

 *

 *  SystemC to Verilog Translator v0.4

 *  Provided by Universidad Rey Juan Carlos

 *

 * -----------------------------------------------------------------------------

 *  This program is free software; you can redistribute it and/or modify

 *  it under the terms of the GNU General Public License as published by

 *  the Free Software Foundation; either version 2 of the License, or

 *  (at your option) any later version.

 *

 *  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 Library General Public License for more details.

 *

 *  You should have received a copy of the GNU General Public License

 *  along with this program; if not, write to the Free Software

 *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

 */

%{

#include 

#include 

  int module_found = 0;

  int concat_found = 0;

  int opened_pars;

  int *concat_par_num;

  int concats_found = 0;

  int lastsymbol=0;

  char *aux;

  void yyerror (const char *str)

  {

    fprintf (stderr, "error: %s\n", str);

  }

  int yywrap ()

  {

    return 1;

  }

  main ()

  {

    concat_par_num = (int *) malloc (16 * sizeof (int));

    *concat_par_num = 0;

    yyparse ();

  }

%}

%token WORD WORDCOLON

%token OPENPAR CLOSEPAR

%token MODULE SYMBOL

%% commands:

/* empty */

|commands command;

command:

module

|

closepar

|

concat

|

openpar

|

word

|

symbol;

module:

MODULE

{

  lastsymbol=0;

  module_found = 1;

  opened_pars++;

  printf ("%s", (char *) $1);

};

openpar:

OPENPAR

{

  printf ("(");

  opened_pars++;

};

closepar:

CLOSEPAR

{

  if (module_found)

    {

      printf (")");

      opened_pars--;

      module_found = 0;

    }

  else if (concat_found)

    {

      if (opened_pars == *(concat_par_num + concats_found))

        {

          printf ("}");

          concats_found--;

          if (concats_found == 0)

            {

              concat_found = 0;

            }

        }

      else

        {

          printf (")");

        }

      opened_pars--;

    }

  else

    {

      opened_pars--;

      printf (")");

    }

};

concat:

WORDCOLON

{

 if(lastsymbol==1){

  aux = (char *) $1;

  aux++;

  printf ("{%s", aux);

  concat_found = 1;

  opened_pars++;

  concats_found++;

  *(concat_par_num + concats_found) = opened_pars;

 }else{

   printf ("%s", (char *)$1);

 }

 lastsymbol=0;

};

symbol:

SYMBOL

{

  lastsymbol=1;

  printf("%c",*((char *)$1));

};

word:

WORD

{

  lastsymbol=0;

  printf("%s",(char *)$1);

};