URL https://opencores.org/ocsvn/sc2v/sc2v/trunk

Subversion Repositories sc2v

[/] [sc2v/] [trunk/] [src/] [sc2v_step1.y] - Blame information for rev 18

Go to most recent revision | Details | Compare with Previous | View Log


/* -----------------------------------------------------------------------------
 *
 *  SystemC to Verilog Translator v0.4
 *  Provided by OpenSoc Design
 *
 *  www.opensocdesign.com
 *
 * -----------------------------------------------------------------------------
 *  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 
 
#include "sc2v_step1.h"
 
  int lineno = 1;
  int processfound = 0;
  int switchfound = 0;
  int switchparenthesis[256];
  int ifdeffound = 0;
  char *processname, *processname2;
  char *fileregs;
  char *filename;
  int openedkeys = 0;
  int newline = 0;
  int reg_found = 0;
  int regs_end;
  int i = 0;                    //for loops counter
  FILE *file;
  FILE *regs_file;
  char *regname, *regname2;
  char *lastword;               // Stores last WORD for use it in WRITE
  char *file_defines;
  FILE *FILE_DEFINES;
  char *file_writes;
  FILE *FILE_WRITES;            //FILE to store .write to know if it is a wire or reg
  int definefound = 0;
  int defineinvocationfound = 0;
  int opencorchfound = 0;
  int defineparenthesis = 0;
 
  int openedcase = 0;
 
  int default_break_found = 0;
  int default_found;
 
//Directives variables
  int translate;
  int verilog;
  int writemethod;
 
  void yyerror (const char *str)
  {
    fprintf (stderr, "line: %d error: %s\n", lineno, str);
  }
 
  int yywrap ()
  {
    return 1;
  }
 
  main ()
  {
    int i;
 
    defineslist = NULL;
    regslist = NULL;
 
    fprintf (stderr, "\nSystemC to Verilog Translator v0.4");
    fprintf (stderr,
             "\nProvided by OpenSoc http://www.opensocdesign.com\n\n");
    fprintf (stderr, "Parsing implementation file.......\n\n");
 
    processname = (char *) malloc (256 * sizeof (char));
    processname2 = (char *) malloc (256 * sizeof (char));
    fileregs = (char *) malloc (256 * sizeof (char));
 
    file_defines = (char *) malloc (256 * sizeof (char));
    strcpy (file_defines, (char *) "file_defines.sc2v");
    FILE_DEFINES = fopen (file_defines, (char *) "w");
 
    file_writes = (char *) malloc (256 * sizeof (char));
    strcpy (file_writes, (char *) "file_writes.sc2v");
    FILE_WRITES = fopen (file_writes, (char *) "w");
 
    lastword = (char *) malloc (sizeof (char) * 256);
 
    for (i = 0; i < 256; i++)
      switchparenthesis[i] = 0;
 
    translate = 1;
    verilog = 0;
    writemethod = 0;
 
    FILE *yyin = stdin;
    FILE *yyout = stdout;
    yyparse ();
    fclose (FILE_WRITES);
    fclose (FILE_DEFINES);
 
    fprintf (stderr, "\nDone\n\n");
  }
 
%}
 
%token NUMBER WORD SC_REG BOOL BIGGER LOWER OPENKEY CLOSEKEY WRITE WORD SYMBOL NEWLINE ENUM INCLUDE
%token COLON SEMICOLON RANGE OPENPAR CLOSEPAR TWODOUBLEPOINTS OPENCORCH CLOSECORCH SWITCH CASE DEFAULT BREAK
%token HEXA DEFINE READ TRANSLATEOFF TRANSLATEON VERILOGBEGIN VERILOGEND TAB DOLLAR INTCONV
%token VOID TTRUE TFALSE ENDFUNC
%token PIFDEF PENDDEF PELSE
 
%% commands:    /* empty */
|commands command;
 
 
command:
endfunc
  |
  voidword
  |
  include
  |
  dollar
  |
  intconv
  |
  tab
  |
  read
  |
  sc_reg
  |
  number
  |
  bool
  |
  word
  |
  symbol
  |
  write
  |
  newline
  |
  openkey
  |
  closekey
  |
  colon
  |
  semicolon
  |
  range
  |
  openpar
  |
  closepar | void |opencorch | closecorch | bigger | lower | switch |case_only
  |case_number
    |
    case_word
    |
    case_default
    |
    break
    |hexa
    |
    definemacro
    |
    defineword
    |
    definenumber
    |
    translateoff
    |
    translateon
    | verilogbegin | verilogend | ifdef | endif | pelse | ttrue | tfalse;
 
 
endfunc:
ENDFUNC
{
  defineparenthesis = 0;
  if (translate == 1 && verilog == 0)
    {
      if (processfound)
        {
          for (i = 0; i < openedkeys; i++)
            fprintf (file, "   ");
          fprintf (file, "%s = ", processname);
        }
    }
  else if (verilog == 1)
    fprintf (file, "return ");
};
 
 
voidword:
VOID
{
  defineparenthesis = 0;
  if (verilog == 1)
    fprintf (file, " void");
};
 
 
include:
INCLUDE
{
  defineparenthesis = 0;
  if (verilog == 1)
    fprintf (file, " #include");
};
 
 
dollar:
DOLLAR
{
  defineparenthesis = 0;
  if (verilog == 1)
    fprintf (file, " $");
};
 
intconv:
INTCONV
{
  defineparenthesis = 0;
  if (verilog == 1)
    fprintf (file, " (int)");
};
 
tab:
TAB
{
  defineparenthesis = 0;
  if (verilog == 1)
    fprintf (file, " \t");
};
 
read:
READ OPENPAR CLOSEPAR
{
  defineparenthesis = 0;
  if (verilog == 1)
    fprintf (file, ".read()");
 
}
 
defineword:
DEFINE WORD WORD
{
 
  defineparenthesis = 0;
  if (translate == 1 && verilog == 0)
    {
      if (processfound)
        {
          fprintf (file, "`define %s %s\n", (char *) $2, (char *) $3);
          defineslist = InsertDefine (defineslist, (char *) $2);
        }
      else
        {
          fprintf (FILE_DEFINES, "`define %s %s\n", (char *) $2, (char *) $3);
          defineslist = InsertDefine (defineslist, (char *) $2);
        }
    }
  else if (verilog == 1)
    fprintf (file, "#define %s %s\n", (char *) $2, (char *) $3);
 
};
 
definenumber:
DEFINE WORD NUMBER
{
 
  defineparenthesis = 0;
  if (translate == 1 && verilog == 0)
    {
      if (processfound)
        {
          fprintf (file, "`define %s %d\n", (char *) $2, (int) $3);
          defineslist = InsertDefine (defineslist, (char *) $2);
        }
      else
        {
          fprintf (FILE_DEFINES, "`define %s %d\n", (char *) $2, (int) $3);
          defineslist = InsertDefine (defineslist, (char *) $2);
        }
    }
  else if (verilog == 1)
    fprintf (file, "#define %s %d\n", (char *) $2, (int) $3);
 
};
 
 
definemacro:
DEFINE WORD OPENPAR CLOSEPAR
{
  defineparenthesis = 0;
  //Macro found
  if (translate == 1 && verilog == 0)
    {
      defineslist = InsertDefine (defineslist, (char *) $2);
 
      definefound = 1;
      if (processfound)
        fprintf (file, "`define %s ", (char *) $2);
      else
        fprintf (FILE_DEFINES, "`define %s ", (char *) $2);
    }
  else if (verilog == 1)
    fprintf (file, "#define %s ()", (char *) $2);
}
 
void:WORD TWODOUBLEPOINTS WORD OPENPAR
{
  defineparenthesis = 0;
  if (translate == 1 && verilog == 0)
    {
      strcpy (processname, (char *) $4);
      strcpy (processname2, (char *) $4);
      strcat (processname2, (char *) ".sc2v");
      strcpy (fileregs, (char *) $4);
      strcat (fileregs, (char *) "_regs.sc2v");
    }
  else if (verilog == 1)
    fprintf (file, " %s::%s()", (char *) $1, (char *) $3);
 
}
 
sc_reg:
SC_REG LOWER NUMBER BIGGER
{
  defineparenthesis = 0;
  if (translate == 1 && verilog == 0)
    {
      if (processfound)
        {
          fprintf (regs_file, "reg[%d:0] ", (-1 + $3));
          reg_found = 1;
        }
    }
};
 
bool:
BOOL
{
  defineparenthesis = 0;
  if (translate == 1 && verilog == 0)
    {
      if (processfound)
        {
          fprintf (regs_file, "reg ");
          reg_found = 1;
        }
    }
  else if (verilog == 1)
    fprintf (file, "bool");
}
 
;
 
range:
RANGE OPENPAR NUMBER COLON NUMBER CLOSEPAR
{
  defineparenthesis = 0;
  if (translate == 1 && verilog == 0)
    {
      if (processfound)
        fprintf (file, "[%d:%d]", $3, $5);
      else if (definefound)
        fprintf (FILE_DEFINES, "[%d:%d]", $3, $5);
    }
  else if (verilog == 1)
    fprintf (file, ".range(%d,%d)", $3, $5);
}
 
;
 
number:
NUMBER
{
  defineparenthesis = 0;
  if (translate == 1 && verilog == 0)
    {
      if (processfound)
        if (reg_found)
          {
            if (opencorchfound)
              fprintf (regs_file, "%d:0", -1 + $1);
            else
              fprintf (regs_file, "%d", $1);
          }
        else
          fprintf (file, "%d", $1);
      else if (definefound)
        fprintf (FILE_DEFINES, "%d", $1);
    }
  else if (verilog == 1)
    fprintf (file, "%d", $1);
}
 
;
word:
WORD
{
 
  defineparenthesis = 0;
  if (translate == 1 && verilog == 0)
    {
      if (processfound)
        {
          if (openedcase)
            {
              fprintf (file, " :\n");
 
              for (i = 0; i < openedkeys; i++)
                fprintf (file, "   ");
 
              fprintf (file, "begin\n");
              openedcase = 0;
            }
 
          strcpy (lastword, (char *) $1);
 
          if (reg_found)
            {
 
              regname =
                (char *) malloc (sizeof (char) * (strlen ((char *) $1) + 1));
              regname2 =
                (char *) malloc (sizeof (char) *
                                 (strlen ((char *) $1) +
                                  strlen (processname)) + 1);
 
              strcpy (regname, (char *) $1);
              strcpy (regname2, (char *) $1);
              strcat (regname2, processname);
              fprintf (regs_file, "%s", regname2);
 
              regslist = InsertReg (regslist, regname, regname2);
 
              free (regname);
              free (regname2);
            }
          else
            {
              if (newline)
                {
                  for (i = 0; i < openedkeys; i++)
                    fprintf (file, "   ");
                }
              regname2 = IsReg (regslist, (char *) $1);
              if (regname2 == NULL)
                {
 
                  if (IsDefine (defineslist, (char *) $1))
                    {
                      if (ifdeffound == 0)
                        {
                          fprintf (file, "`%s", (char *) $1);
                          defineinvocationfound = 1;
                        }
                      else
                        {
                          fprintf (file, "%s", (char *) $1);
                          ifdeffound = 0;
                        }
                    }
                  else
                    {
                      fprintf (file, "%s ", (char *) $1);
                    }
                }
              else
                fprintf (file, "%s", regname2);
 
              newline = 0;
            }
 
        }
      else if (definefound)
        {
 
          if (IsDefine (defineslist, (char *) $1))
            {
 
              fprintf (FILE_DEFINES, "`%s", (char *) $1);
            }
          else
            {
              fprintf (FILE_DEFINES, "%s ", (char *) $1);
            }
        }
    }
  else if (verilog == 1)
    fprintf (file, " %s", (char *) $1);
};
 
symbol:
SYMBOL
{
  defineparenthesis = 0;
  if (translate == 1 && verilog == 0)
    {
      if (processfound)
        {
          if (reg_found)
            fprintf (regs_file, "%s", (char *) $1);
          else
            fprintf (file, "%s", (char *) $1);
        }
      else if (definefound)
        {
          fprintf (FILE_DEFINES, "%s", (char *) $1);
        }
    }
  else if (verilog == 1)
    fprintf (file, "%s", (char *) $1);
};
 
 
write:
WRITE
{
  defineparenthesis = 0;
  if (translate == 1 && verilog == 0)
    {
      writemethod = 1;
      if (processfound)
        {
          fprintf (file, " <= ");
          fprintf (FILE_WRITES, "%s\n", lastword);
        }
      else if (definefound)
        {
          fprintf (FILE_DEFINES, " <= ");
        }
 
    }
  else if (verilog == 1)
    {
      fprintf (file, ".write");
    }
};
 
newline:
NEWLINE
{
  defineparenthesis = 0;
  if (translate == 1 && verilog == 0)
    {
      if (processfound & !reg_found & !openedcase)
        {
          fprintf (file, "\n");
          newline = 1;
        }
      else if (definefound)
        {
          fprintf (FILE_DEFINES, "\n");
        }
 
    }
  else if (verilog == 1)
    fprintf (file, "\n");
};
 
colon:
COLON
{
  defineparenthesis = 0;
  if (translate == 1 && verilog == 0)
    {
      if (processfound)
        {
          if (reg_found)
            {
              fprintf (regs_file, ",");
            }
          else
            fprintf (file, ",");
        }
      else if (definefound)
        {
          fprintf (FILE_DEFINES, ",");
        }
    }
  else if (verilog == 1)
    fprintf (file, ",");
};
 
semicolon:
SEMICOLON
{
  defineparenthesis = 0;
  if (translate == 1 && verilog == 0)
    {
      if (processfound)
        {
          if (reg_found)
            {
              fprintf (regs_file, ";\n");
              reg_found = 0;
            }
          else
            {
              if (defineinvocationfound == 0)
                fprintf (file, ";");
            }
        }
      else if (definefound)
        {
          fprintf (FILE_DEFINES, ";");
        }
    }
  else if (verilog == 1)
    fprintf (file, ";");
 
  defineinvocationfound = 0;
};
 
 
openpar:
OPENPAR
{
  defineparenthesis = 1;
  if (translate == 1 && verilog == 0 && defineinvocationfound == 0)
    {
      if (processfound)
        {
          fprintf (file, "(");
        }
      else if (definefound)
        {
          fprintf (FILE_DEFINES, "(");
        }
 
    }
  else if (verilog == 1)
    {
      fprintf (file, "(");
    }
}
 
closepar:
CLOSEPAR
{
  if (translate == 1 && verilog == 0)
    {
 
      if (processfound)
        {
          if (defineparenthesis == 0)
            {
              fprintf (file, ")");
              defineinvocationfound = 0;
            }
        }
      else if (definefound)
        {
          fprintf (FILE_DEFINES, ")");
        }
    }
  else if (verilog == 1)
    fprintf (file, ")");
 
};
 
 
opencorch:
OPENCORCH
{
  defineparenthesis = 0;
  if (translate == 1 && verilog == 0)
    {
      if (processfound)
        {
          if (reg_found)
            {
              fprintf (regs_file, "[");
              opencorchfound = 1;
            }
          else
            fprintf (file, "[");
        }
      else if (definefound)
        {
          fprintf (FILE_DEFINES, "[");
 
        }
    }
  else if (verilog == 1)
    fprintf (file, "[");
};
 
closecorch:
CLOSECORCH
{
  defineparenthesis = 0;
  if (translate == 1 && verilog == 0)
    {
      if (processfound)
        {
          if (reg_found)
            {
              fprintf (regs_file, "]");
              opencorchfound = 0;
            }
          else
            fprintf (file, "]");
        }
      else if (definefound)
        {
          fprintf (FILE_DEFINES, "]");
        }
    }
  else if (verilog == 1)
    fprintf (file, "]");
};
 
 
openkey:
OPENKEY
{
  defineparenthesis = 0;
  if (translate == 1 && verilog == 0)
    {
      openedkeys++;
      if (!definefound)
        {
          if (openedkeys == 1)
            {
              printf ("Found process %s\n", processname);
              file = fopen (processname2, (char *) "w");
              regs_file = fopen (fileregs, (char *) "w");
              processfound = 1;
            }
          if (processfound)
            if (openedkeys != switchparenthesis[switchfound])
              {
                fprintf (file, "\n");
                for (i = 0; i < openedkeys; i++)
                  fprintf (file, "   ");
                fprintf (file, "begin\n");
                newline = 1;
              }
        }
    }
  else if (verilog == 1)
    fprintf (file, "{");
};
 
closekey:
CLOSEKEY
{
  defineparenthesis = 0;
  if (translate == 1 && verilog == 0)
    {
      if (processfound && !definefound)
        {
          if (openedkeys == switchparenthesis[switchfound] && switchfound > 0)
            {
              fprintf (file, "\n");
              if (default_found & !default_break_found)
                {
                  for (i = 0; i < openedkeys - 1; i++)
                    fprintf (file, "   ");
                  fprintf (file, "end\n");
                  default_found = 0;
                }
              for (i = 0; i < openedkeys - 1; i++)
                fprintf (file, "   ");
              fprintf (file, "endcase\n");
              newline = 1;
              switchparenthesis[switchfound] = 0;
              switchfound--;
 
            }
          else
            {
              fprintf (file, "\n");
              for (i = 0; i < openedkeys; i++)
                fprintf (file, "   ");
              fprintf (file, "end\n");
              newline = 1;
            }
        }
 
      openedkeys--;
      if (definefound)
        {
          definefound = 0;
          if (processfound)
            fprintf (file, "\n//Dummy Comment\n");
          else
            fprintf (FILE_DEFINES, "\n//Dummy Comment\n");
        }
      else if (openedkeys == 0)
        {
          fclose (file);
          fclose (regs_file);
          processfound = 0;
        }
    }
  else if (verilog == 1)
    fprintf (file, "}");
};
 
 
bigger:
BIGGER
{
  defineparenthesis = 0;
  if (translate == 1 && verilog == 0)
    {
      if (processfound)
        {
          fprintf (file, ">");
        }
      else if (definefound)
        {
          fprintf (FILE_DEFINES, ">");
        }
    }
  else if (verilog == 1)
    fprintf (file, ">");
};
 
lower:
LOWER
{
  defineparenthesis = 0;
  if (translate == 1 && verilog == 0)
    {
      if (processfound)
        {
          fprintf (file, "<");
        }
      else if (definefound)
        {
          fprintf (FILE_DEFINES, "<");
        }
    }
  else if (verilog == 1)
    fprintf (file, "<");
};
 
 
switch:
SWITCH
  {
    defineparenthesis = 0;
    if (translate == 1 && verilog == 0)
      {
        if (processfound)
          {
            fprintf (file, "\n");
            for (i = 0; i < openedkeys; i++)
              fprintf (file, "   ");
            fprintf (file, "case");
            switchfound++;
            switchparenthesis[switchfound] = openedkeys + 1;
          }
      }
    else if (verilog == 1)
      fprintf (file, "switch");
  };
 
case_number:
CASE NUMBER SYMBOL
{
  defineparenthesis = 0;
  if (translate == 1 && verilog == 0)
    {
      if (processfound)
        {
          for (i = 0; i < openedkeys; i++)
            fprintf (file, "   ");
          if (openedcase)
            fprintf (file, ", %d", $2);
          else
            fprintf (file, "%d", $2);
 
          newline = 1;
          openedcase = 1;
 
        }
    }
  else if (verilog == 1)
    fprintf (file, "case %d %s", $2, (char *) $3);
};
 
case_word:
CASE WORD SYMBOL
{
  defineparenthesis = 0;
  if (translate == 1 && verilog == 0)
    {
      if (processfound)
        {
          for (i = 0; i < openedkeys; i++)
            fprintf (file, "   ");
          if (openedcase)
            fprintf (file, ", %s", (char *) $2);
          else
            fprintf (file, "%s", (char *) $2);
 
          newline = 1;
          openedcase = 1;
 
        }
    }
  else if (verilog == 1)
    fprintf (file, "case %s %s", (char *) $2, (char *) $3);
};
 
case_default:
DEFAULT SYMBOL
{
  defineparenthesis = 0;
  if (translate == 1 && verilog == 0)
    {
      if (processfound)
        {
          for (i = 0; i < openedkeys; i++)
            fprintf (file, "   ");
          fprintf (file, "default:\n");
          for (i = 0; i < openedkeys; i++)
            fprintf (file, "   ");
          fprintf (file, "begin\n");
          newline = 1;
          default_found = 1;
        }
    }
  else if (verilog == 1)
    fprintf (file, "default %s", (char *) $2);
};
 
case_only:
CASE OPENPAR
{
  defineparenthesis = 0;
  //This rule occurs when in Verilog mode a case appears
  if (verilog == 1)
    fprintf (file, "case(");
};
 
break:
BREAK SEMICOLON
{
  defineparenthesis = 0;
  if (translate == 1 && verilog == 0)
    {
      if (processfound)
        {
          if (newline == 0)
            fprintf (file, "\n");
          for (i = 0; i < openedkeys; i++)
            fprintf (file, "   ");
          fprintf (file, "end\n");
          if (default_found)
            {
              default_break_found = 1;
            }
        }
    }
  else if (verilog == 1)
    fprintf (file, "break;");
};
 
hexa:
HEXA
{
  defineparenthesis = 0;
  if (translate == 1 && verilog == 0)
    {
      if (processfound)
        {
          fprintf (file, "'h");
        }
      else if (definefound)
        {
          fprintf (FILE_DEFINES, "'h");
        }
    }
  else if (verilog == 1)
    fprintf (file, "0x");
};
 
translateoff:
TRANSLATEOFF
{
  defineparenthesis = 0;
  translate = 0;
  fprintf (stderr, "line: %d Found Translate off directive \n", lineno);
};
 
translateon:
TRANSLATEON
{
  defineparenthesis = 0;
  translate = 1;
  fprintf (stderr, "line: %d Found Translate on directive \n", lineno);
};
 
verilogbegin:
VERILOGBEGIN
{
  defineparenthesis = 0;
  verilog = 1;
  fprintf (stderr, "line: %d Found Verilog Begin directive \n", lineno);
};
 
verilogend:
VERILOGEND
{
  defineparenthesis = 0;
  verilog = 0;
  fprintf (stderr, "line: %d Found Verilog End directive \n", lineno);
};
 
ifdef:
PIFDEF
{
  defineparenthesis = 0;
  if (translate == 1 && verilog == 0)
    {
      if (processfound)
        {
          ifdeffound = 1;
          fprintf (file, "`ifdef");
        }
      else if (definefound)
        {
          fprintf (FILE_DEFINES, "`ifdef");
        }
    }
  else if (verilog == 1)
    fprintf (file, "#ifdef");
};
 
endif:
PENDDEF
{
  defineparenthesis = 0;
  if (translate == 1 && verilog == 0)
    {
      if (processfound)
        {
          fprintf (file, "`endif");
        }
      else if (definefound)
        {
          fprintf (FILE_DEFINES, "`endif");
        }
    }
  else if (verilog == 1)
    fprintf (file, "#endif");
};
 
pelse:
PELSE
{
  defineparenthesis = 0;
  if (translate == 1 && verilog == 0)
    {
      if (processfound)
        {
          fprintf (file, "`else");
        }
      else if (definefound)
        {
          fprintf (FILE_DEFINES, "`else");
        }
    }
  else if (verilog == 1)
    fprintf (file, "#else");
};
 
ttrue:
TTRUE
{
  defineparenthesis = 0;
  if (translate == 1 && verilog == 0)
    {
      if (processfound)
        {
          fprintf (file, "1");
        }
    }
  else if (verilog == 1)
    fprintf (file, "1");
};
 
 
tfalse:
TFALSE
{
  defineparenthesis = 0;
  if (translate == 1 && verilog == 0)
    {
      if (processfound)
        {
          fprintf (file, "0");
        }
    }
  else if (verilog == 1)
    fprintf (file, "0");
};

Line No.	Rev	Author	Line
1	2	jcastillo	`/* -----------------------------------------------------------------------------`
2			`*`
3	16	jcastillo	`* SystemC to Verilog Translator v0.4`
4	2	jcastillo	`* Provided by OpenSoc Design`
5			`*`
6			`* www.opensocdesign.com`
7			`*`
8			`* -----------------------------------------------------------------------------`
9			`* This program is free software; you can redistribute it and/or modify`
10			`* it under the terms of the GNU General Public License as published by`
11			`* the Free Software Foundation; either version 2 of the License, or`
12			`* (at your option) any later version.`
13			`*`
14			`* This program is distributed in the hope that it will be useful,`
15			`* but WITHOUT ANY WARRANTY; without even the implied warranty of`
16			`* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the`
17			`* GNU Library General Public License for more details.`
18			`*`
19			`* You should have received a copy of the GNU General Public License`
20			`* along with this program; if not, write to the Free Software`
21			`* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.`
22			`*/`
23
24
25			`%{`
26			`#include`
27			`#include`
28
29	14	jcastillo	`#include "sc2v_step1.h"`
30	2	jcastillo
31	16	jcastillo	`int lineno = 1;`
32	12	jcastillo	`int processfound = 0;`
33			`int switchfound = 0;`
34			`int switchparenthesis[256];`
35			`int ifdeffound = 0;`
36			`char processname, processname2;`
37			`char *fileregs;`
38			`char *filename;`
39			`int openedkeys = 0;`
40			`int newline = 0;`
41			`int reg_found = 0;`
42			`int regs_end;`
43			`int i = 0; //for loops counter`
44			`FILE *file;`
45			`FILE *regs_file;`
46			`char regname, regname2;`
47			`char *lastword; // Stores last WORD for use it in WRITE`
48			`char *file_defines;`
49			`FILE *FILE_DEFINES;`
50			`char *file_writes;`
51			`FILE *FILE_WRITES; //FILE to store .write to know if it is a wire or reg`
52			`int definefound = 0;`
53			`int defineinvocationfound = 0;`
54			`int opencorchfound = 0;`
55			`int defineparenthesis = 0;`
56	2	jcastillo
57	12	jcastillo	`int openedcase = 0;`
58	2	jcastillo
59	12	jcastillo	`int default_break_found = 0;`
60			`int default_found;`
61	2	jcastillo
62	4	jcastillo	`//Directives variables`
63	12	jcastillo	`int translate;`
64			`int verilog;`
65			`int writemethod;`
66	4	jcastillo
67	12	jcastillo	`void yyerror (const char *str)`
68			`{`
69	15	jcastillo	`fprintf (stderr, "line: %d error: %s\n", lineno, str);`
70	12	jcastillo	`}`
71	2	jcastillo
72	12	jcastillo	`int yywrap ()`
73			`{`
74			`return 1;`
75			`}`
76	2	jcastillo
77	12	jcastillo	`main ()`
78			`{`
79			`int i;`
80	10	jcastillo
81	16	jcastillo	`defineslist = NULL;`
82			`regslist = NULL;`
83	2	jcastillo
84	18	jcastillo	`fprintf (stderr, "\nSystemC to Verilog Translator v0.4");`
85	16	jcastillo	`fprintf (stderr,`
86			`"\nProvided by OpenSoc http://www.opensocdesign.com\n\n");`
87			`fprintf (stderr, "Parsing implementation file.......\n\n");`
88
89	14	jcastillo	`processname = (char ) malloc (256 sizeof (char));`
90			`processname2 = (char ) malloc (256 sizeof (char));`
91			`fileregs = (char ) malloc (256 sizeof (char));`
92	12	jcastillo
93	14	jcastillo	`file_defines = (char ) malloc (256 sizeof (char));`
94	12	jcastillo	`strcpy (file_defines, (char *) "file_defines.sc2v");`
95			`FILE_DEFINES = fopen (file_defines, (char *) "w");`
96	16	jcastillo
97	14	jcastillo	`file_writes = (char ) malloc (256 sizeof (char));`
98	12	jcastillo	`strcpy (file_writes, (char *) "file_writes.sc2v");`
99			`FILE_WRITES = fopen (file_writes, (char *) "w");`
100
101	16	jcastillo	`lastword = (char ) malloc (sizeof (char) 256);`
102	12	jcastillo
103			`for (i = 0; i < 256; i++)`
104			`switchparenthesis[i] = 0;`
105
106			`translate = 1;`
107			`verilog = 0;`
108			`writemethod = 0;`
109	16	jcastillo
110			`FILE *yyin = stdin;`
111			`FILE *yyout = stdout;`
112	12	jcastillo	`yyparse ();`
113			`fclose (FILE_WRITES);`
114			`fclose (FILE_DEFINES);`
115	16	jcastillo
116			`fprintf (stderr, "\nDone\n\n");`
117	12	jcastillo	`}`
118
119	2	jcastillo	`%}`
120
121	16	jcastillo	`%token NUMBER WORD SC_REG BOOL BIGGER LOWER OPENKEY CLOSEKEY WRITE WORD SYMBOL NEWLINE ENUM INCLUDE`
122			`%token COLON SEMICOLON RANGE OPENPAR CLOSEPAR TWODOUBLEPOINTS OPENCORCH CLOSECORCH SWITCH CASE DEFAULT BREAK`
123			`%token HEXA DEFINE READ TRANSLATEOFF TRANSLATEON VERILOGBEGIN VERILOGEND TAB DOLLAR INTCONV`
124			`%token VOID TTRUE TFALSE ENDFUNC`
125	12	jcastillo	`%token PIFDEF PENDDEF PELSE`
126	2	jcastillo
127	16	jcastillo	`%% commands: /* empty */`
128	12	jcastillo	`\|commands command;`
129	2	jcastillo
130
131			`command:`
132	16	jcastillo	`endfunc`
133			`\|`
134	12	jcastillo	`voidword`
135			`\|`
136			`include`
137			`\|`
138			`dollar`
139			`\|`
140			`intconv`
141			`\|`
142			`tab`
143			`\|`
144			`read`
145			`\|`
146	16	jcastillo	`sc_reg`
147	12	jcastillo	`\|`
148			`number`
149			`\|`
150			`bool`
151			`\|`
152			`word`
153			`\|`
154			`symbol`
155			`\|`
156			`write`
157			`\|`
158			`newline`
159			`\|`
160			`openkey`
161			`\|`
162			`closekey`
163			`\|`
164			`colon`
165			`\|`
166			`semicolon`
167			`\|`
168			`range`
169			`\|`
170			`openpar`
171			`\|`
172	16	jcastillo	`closepar \| void \|opencorch \| closecorch \| bigger \| lower \| switch \|case_only`
173			`\|case_number`
174			`\|`
175			`case_word`
176			`\|`
177			`case_default`
178			`\|`
179			`break`
180			`\|hexa`
181			`\|`
182			`definemacro`
183			`\|`
184			`defineword`
185			`\|`
186			`definenumber`
187			`\|`
188			`translateoff`
189			`\|`
190			`translateon`
191			`\| verilogbegin \| verilogend \| ifdef \| endif \| pelse \| ttrue \| tfalse;`
192	2	jcastillo
193	4	jcastillo
194	16	jcastillo	`endfunc:`
195			`ENDFUNC`
196			`{`
197			`defineparenthesis = 0;`
198			`if (translate == 1 && verilog == 0)`
199			`{`
200			`if (processfound)`
201			`{`
202			`for (i = 0; i < openedkeys; i++)`
203			`fprintf (file, " ");`
204			`fprintf (file, "%s = ", processname);`
205			`}`
206			`}`
207			`else if (verilog == 1)`
208			`fprintf (file, "return ");`
209			`};`
210	12	jcastillo
211	16	jcastillo
212	4	jcastillo	`voidword:`
213	12	jcastillo	`VOID`
214			`{`
215			`defineparenthesis = 0;`
216			`if (verilog == 1)`
217			`fprintf (file, " void");`
218			`};`
219	4	jcastillo
220	12	jcastillo
221	4	jcastillo	`include:`
222	12	jcastillo	`INCLUDE`
223			`{`
224			`defineparenthesis = 0;`
225			`if (verilog == 1)`
226			`fprintf (file, " #include");`
227			`};`
228	4	jcastillo
229
230			`dollar:`
231	12	jcastillo	`DOLLAR`
232			`{`
233			`defineparenthesis = 0;`
234			`if (verilog == 1)`
235			`fprintf (file, " $");`
236			`};`
237	4	jcastillo
238			`intconv:`
239	12	jcastillo	`INTCONV`
240			`{`
241			`defineparenthesis = 0;`
242			`if (verilog == 1)`
243			`fprintf (file, " (int)");`
244			`};`
245	4	jcastillo
246			`tab:`
247	12	jcastillo	`TAB`
248			`{`
249			`defineparenthesis = 0;`
250			`if (verilog == 1)`
251			`fprintf (file, " \t");`
252			`};`
253
254	2	jcastillo	`read:`
255	12	jcastillo	`READ OPENPAR CLOSEPAR`
256			`{`
257			`defineparenthesis = 0;`
258			`if (verilog == 1)`
259			`fprintf (file, ".read()");`
260	4	jcastillo
261	12	jcastillo	`}`
262
263			`defineword:`
264			`DEFINE WORD WORD`
265			`{`
266	16	jcastillo
267	12	jcastillo	`defineparenthesis = 0;`
268			`if (translate == 1 && verilog == 0)`
269			`{`
270			`if (processfound)`
271			`{`
272			fprintf (file, "`define %s %s\n", (char ) $2, (char ) $3);
273	16	jcastillo	`defineslist = InsertDefine (defineslist, (char *) $2);`
274	12	jcastillo	`}`
275			`else`
276			`{`
277			fprintf (FILE_DEFINES, "`define %s %s\n", (char ) $2, (char ) $3);
278	16	jcastillo	`defineslist = InsertDefine (defineslist, (char *) $2);`
279	12	jcastillo	`}`
280			`}`
281			`else if (verilog == 1)`
282			`fprintf (file, "#define %s %s\n", (char ) $2, (char ) $3);`
283
284			`};`
285
286			`definenumber:`
287			`DEFINE WORD NUMBER`
288			`{`
289	16	jcastillo
290	12	jcastillo	`defineparenthesis = 0;`
291			`if (translate == 1 && verilog == 0)`
292			`{`
293			`if (processfound)`
294			`{`
295			fprintf (file, "`define %s %d\n", (char *) $2, (int) $3);
296	16	jcastillo	`defineslist = InsertDefine (defineslist, (char *) $2);`
297	12	jcastillo	`}`
298			`else`
299			`{`
300			fprintf (FILE_DEFINES, "`define %s %d\n", (char *) $2, (int) $3);
301	16	jcastillo	`defineslist = InsertDefine (defineslist, (char *) $2);`
302	12	jcastillo	`}`
303			`}`
304			`else if (verilog == 1)`
305			`fprintf (file, "#define %s %d\n", (char *) $2, (int) $3);`
306
307			`};`
308
309
310			`definemacro:`
311			`DEFINE WORD OPENPAR CLOSEPAR`
312			`{`
313			`defineparenthesis = 0;`
314			`//Macro found`
315			`if (translate == 1 && verilog == 0)`
316			`{`
317	16	jcastillo	`defineslist = InsertDefine (defineslist, (char *) $2);`
318
319	12	jcastillo	`definefound = 1;`
320			`if (processfound)`
321			fprintf (file, "`define %s ", (char *) $2);
322			`else`
323			fprintf (FILE_DEFINES, "`define %s ", (char *) $2);
324			`}`
325			`else if (verilog == 1)`
326			`fprintf (file, "#define %s ()", (char *) $2);`
327			`}`
328
329	16	jcastillo	`void:WORD TWODOUBLEPOINTS WORD OPENPAR`
330	12	jcastillo	`{`
331			`defineparenthesis = 0;`
332			`if (translate == 1 && verilog == 0)`
333			`{`
334			`strcpy (processname, (char *) $4);`
335			`strcpy (processname2, (char *) $4);`
336			`strcat (processname2, (char *) ".sc2v");`
337			`strcpy (fileregs, (char *) $4);`
338			`strcat (fileregs, (char *) "_regs.sc2v");`
339			`}`
340			`else if (verilog == 1)`
341			`fprintf (file, " %s::%s()", (char ) $1, (char ) $3);`
342
343			`}`
344
345	16	jcastillo	`sc_reg:`
346			`SC_REG LOWER NUMBER BIGGER`
347	12	jcastillo	`{`
348			`defineparenthesis = 0;`
349			`if (translate == 1 && verilog == 0)`
350			`{`
351			`if (processfound)`
352			`{`
353			`fprintf (regs_file, "reg[%d:0] ", (-1 + $3));`
354			`reg_found = 1;`
355			`}`
356			`}`
357	16	jcastillo	`};`
358	2	jcastillo
359			`bool:`
360	12	jcastillo	`BOOL`
361			`{`
362			`defineparenthesis = 0;`
363			`if (translate == 1 && verilog == 0)`
364			`{`
365			`if (processfound)`
366			`{`
367			`fprintf (regs_file, "reg ");`
368			`reg_found = 1;`
369			`}`
370			`}`
371			`else if (verilog == 1)`
372			`fprintf (file, "bool");`
373			`}`
374	2	jcastillo
375	12	jcastillo	`;`
376
377	2	jcastillo	`range:`
378	12	jcastillo	`RANGE OPENPAR NUMBER COLON NUMBER CLOSEPAR`
379			`{`
380			`defineparenthesis = 0;`
381			`if (translate == 1 && verilog == 0)`
382			`{`
383			`if (processfound)`
384			`fprintf (file, "[%d:%d]", $3, $5);`
385			`else if (definefound)`
386			`fprintf (FILE_DEFINES, "[%d:%d]", $3, $5);`
387			`}`
388			`else if (verilog == 1)`
389			`fprintf (file, ".range(%d,%d)", $3, $5);`
390			`}`
391
392			`;`
393
394			`number:`
395			`NUMBER`
396			`{`
397			`defineparenthesis = 0;`
398			`if (translate == 1 && verilog == 0)`
399			`{`
400			`if (processfound)`
401			`if (reg_found)`
402			`{`
403			`if (opencorchfound)`
404			`fprintf (regs_file, "%d:0", -1 + $1);`
405			`else`
406			`fprintf (regs_file, "%d", $1);`
407			`}`
408			`else`
409			`fprintf (file, "%d", $1);`
410			`else if (definefound)`
411			`fprintf (FILE_DEFINES, "%d", $1);`
412			`}`
413			`else if (verilog == 1)`
414			`fprintf (file, "%d", $1);`
415			`}`
416
417			`;`
418			`word:`
419			`WORD`
420			`{`
421	16	jcastillo
422	12	jcastillo	`defineparenthesis = 0;`
423			`if (translate == 1 && verilog == 0)`
424			`{`
425			`if (processfound)`
426			`{`
427			`if (openedcase)`
428			`{`
429			`fprintf (file, " :\n");`
430
431			`for (i = 0; i < openedkeys; i++)`
432			`fprintf (file, " ");`
433
434			`fprintf (file, "begin\n");`
435			`openedcase = 0;`
436			`}`
437
438			`strcpy (lastword, (char *) $1);`
439
440			`if (reg_found)`
441			`{`
442
443	16	jcastillo	`regname =`
444			`(char ) malloc (sizeof (char) (strlen ((char *) $1) + 1));`
445			`regname2 =`
446			`(char ) malloc (sizeof (char) `
447			`(strlen ((char *) $1) +`
448			`strlen (processname)) + 1);`
449	12	jcastillo
450			`strcpy (regname, (char *) $1);`
451			`strcpy (regname2, (char *) $1);`
452			`strcat (regname2, processname);`
453			`fprintf (regs_file, "%s", regname2);`
454	16	jcastillo
455			`regslist = InsertReg (regslist, regname, regname2);`
456
457			`free (regname);`
458	12	jcastillo	`free (regname2);`
459			`}`
460			`else`
461			`{`
462			`if (newline)`
463			`{`
464			`for (i = 0; i < openedkeys; i++)`
465			`fprintf (file, " ");`
466			`}`
467	16	jcastillo	`regname2 = IsReg (regslist, (char *) $1);`
468	12	jcastillo	`if (regname2 == NULL)`
469			`{`
470	16	jcastillo
471			`if (IsDefine (defineslist, (char *) $1))`
472	12	jcastillo	`{`
473			`if (ifdeffound == 0)`
474	2	jcastillo	`{`
475	12	jcastillo	fprintf (file, "`%s", (char *) $1);
476			`defineinvocationfound = 1;`
477	2	jcastillo	`}`
478	12	jcastillo	`else`
479	2	jcastillo	`{`
480	12	jcastillo	`fprintf (file, "%s", (char *) $1);`
481			`ifdeffound = 0;`
482	2	jcastillo	`}`
483	12	jcastillo	`}`
484			`else`
485			`{`
486			`fprintf (file, "%s ", (char *) $1);`
487			`}`
488			`}`
489			`else`
490			`fprintf (file, "%s", regname2);`
491	2	jcastillo
492	12	jcastillo	`newline = 0;`
493			`}`
494
495			`}`
496			`else if (definefound)`
497			`{`
498	16	jcastillo
499			`if (IsDefine (defineslist, (char *) $1))`
500	12	jcastillo	`{`

Browse

Tools

Subversion Repositories sc2v

[/] [sc2v/] [trunk/] [src/] [sc2v_step1.y] - Blame information for rev 18