rt-thread-official/components/finsh/finsh_token.h

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/*
2013-03-30 16:14:38 +08:00
* token lex for finsh shell.
*
2013-03-30 16:14:38 +08:00
* COPYRIGHT (C) 2006 - 2013, RT-Thread Development Team
*
* This file is part of RT-Thread (http://www.rt-thread.org)
* Maintainer: bernard.xiong <bernard.xiong at gmail.com>
*
* All rights reserved.
*
* 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 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Change Logs:
* Date Author Notes
* 2010-03-22 Bernard first version
*/
#ifndef __FINSH_TOKEN_H__
#define __FINSH_TOKEN_H__
#include <finsh.h>
enum finsh_token_type
{
finsh_token_type_left_paren = 1, /* ( */
finsh_token_type_right_paren , /* ) */
finsh_token_type_comma , /* , */
finsh_token_type_semicolon , /* ; */
finsh_token_type_mul , /* * */
finsh_token_type_add , /* + */
finsh_token_type_inc , /* ++ */
finsh_token_type_sub , /* - */
finsh_token_type_dec , /* -- */
finsh_token_type_div , /* / */
finsh_token_type_mod , /* % */
finsh_token_type_assign , /* = */
finsh_token_type_and, /* & */
finsh_token_type_or, /* | */
finsh_token_type_xor, /* ^ */
finsh_token_type_bitwise, /* ~ */
finsh_token_type_shl, /* << */
finsh_token_type_shr, /* >> */
finsh_token_type_comments, /* // */
/*-- data type --*/
finsh_token_type_void, /* void */
finsh_token_type_char, /* char */
finsh_token_type_short, /* short */
finsh_token_type_int, /* int */
finsh_token_type_long, /* long */
finsh_token_type_unsigned, /* unsigned */
/* data value type */
finsh_token_type_value_char, /* v:char */
finsh_token_type_value_int, /* v:int */
finsh_token_type_value_long, /* v:long */
finsh_token_type_value_string, /* v:string */
finsh_token_type_value_null, /* NULL */
/*-- others --*/
finsh_token_type_identifier, /* ID */
finsh_token_type_bad, /* bad token */
finsh_token_type_eof
};
#define finsh_token_position(self) (self)->position
#define finsh_token_replay(self) (self)->replay = 1
void finsh_token_init(struct finsh_token* self, uint8_t* script);
enum finsh_token_type finsh_token_token(struct finsh_token* self);
void finsh_token_get_token(struct finsh_token* self, uint8_t* token);
#endif