sh

/* $Id$ */

/* This file is part of DeforaOS Unix sh */

/* 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, version 3 of the License.

* 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.

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

* along with this program. If not, see <http://www.gnu.org/licenses/>. */

#ifndef SH_SCANNER_H

# define SH_SCANNER_H

# include <stdio.h>

# include "token.h"

# include "sh.h"

/* Scanner */

/* types */

typedef enum _ScannerPrompt { SP_PS1 = 0, SP_PS2, SP_PS4 } ScannerPrompt;

# define SP_LAST SP_PS4

# define SP_COUNT (SP_LAST + 1)

typedef struct _Scanner

{

FILE * fp;

ScannerPrompt prompt;

const char * string;

int (*next)(struct _Scanner *);

} Scanner;

/* functions */

void scanner_init(Scanner * scanner, Prefs * prefs, FILE * fp,

char const * string);

Token * scanner_next(Scanner * scanner);

#endif /* !SH_SCANNER_H */