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

/*
 * Copyright (c) 2006-2021, RT-Thread Development Team
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 * 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