Subversion Repositories openrisc_2011-10-31

/* itbl-lex.l

   Copyright 1997, 1998, 2001, 2002, 2005, 2006, 2007

   Free Software Foundation, Inc.

   This file is part of GAS, the GNU Assembler.

   GAS 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 3, or (at your option)

   any later version.

   GAS 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.

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

   along with GAS; see the file COPYING.  If not, write to the Free

   Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA

   02110-1301, USA.  */

%{

#include "as.h"

#include "itbl-lex.h"

#include 

#ifdef DEBUG

#define DBG(x) printf x

#define MDBG(x) printf x

#else

#define DBG(x)

#define MDBG(x)

#endif

int insntbl_line = 1;

%}

ALNUM   [A-Za-z0-9_]

DIGIT   [0-9]

ALPHA   [A-Za-z_]

HEX     [0-9A-Fa-f]

%%

"creg"|"CREG" {

    return CREG;

  }

"dreg"|"DREG" {

    return DREG;

  }

"greg"|"GREG" {

    return GREG;

  }

"immed"|"IMMED" {

    return IMMED;

  }

"addr"|"ADDR" {

    return ADDR;

  }

"insn"|"INSN" {

    return INSN;

  }

"p"{DIGIT} {

    yytext[yyleng] = 0;

    yylval.processor = strtoul (yytext+1, 0, 0);

    return PNUM;

  }

{DIGIT}+ {

    yytext[yyleng] = 0;

    yylval.num = strtoul (yytext, 0, 0);

    return NUM;

  }

"0x"{HEX}+ {

    yytext[yyleng] = 0;

    yylval.num = strtoul (yytext, 0, 0);

    return NUM;

  }

{ALPHA}{ALNUM}* {

    yytext[yyleng] = 0;

    yylval.str = strdup (yytext);

    return ID;

  }

";"|"#" {

    int c;

    while ((c = input ()) !=  EOF)

      {

        if (c ==  '\n')

        {

                unput (c);

                break;

        }

      }

  }

"\n"    {

    insntbl_line++;

    MDBG (("in lex, NL = %d (x%x)\n", NL, NL));

    return NL;

  }

" "|"\t" {

  }

. {

    MDBG (("char = %x, %d\n", yytext[0], yytext[0]));

    return yytext[0];

  }

%%

#ifndef yywrap

int

yywrap ()

  {

    return 1;

  }

#endif