homework-jianmu/utils/tsim/inc/simParse.h

57 lines
1.9 KiB
C

/*
* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
*
* This program is free software: you can use, redistribute, and/or modify
* it under the terms of the GNU Affero General Public License, version 3
* or later ("AGPL"), as published by the Free Software Foundation.
*
* 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.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _TD_SIM_PARSE_H_
#define _TD_SIM_PARSE_H_
#include "simInt.h"
#define MAX_NUM_CMD 64
#define MAX_NUM_LABLES 100
#define MAX_LABEL_LEN 40
#define MAX_NUM_BLOCK 100
#define MAX_NUM_JUMP 100
#define MAX_LINE_LEN 3000
#define MAX_CMD_LINES 2048
#define MAX_OPTION_BUFFER 64000
enum {
BLOCK_IF,
BLOCK_WHILE,
BLOCK_SWITCH,
};
/* label stack */
typedef struct {
int8_t top; /* number of labels */
int16_t pos[MAX_NUM_LABLES]; /* the position of the label */
char label[MAX_NUM_LABLES][MAX_LABEL_LEN]; /* name of the label */
} SLabel;
/* block definition */
typedef struct {
int8_t top; /* the number of blocks stacked */
char type[MAX_NUM_BLOCK]; /* the block type */
int16_t *pos[MAX_NUM_BLOCK]; /* position of the jump for if/elif/case */
int16_t back[MAX_NUM_BLOCK]; /* go back, endw and continue */
char numJump[MAX_NUM_BLOCK];
int16_t *jump[MAX_NUM_BLOCK][MAX_NUM_JUMP]; /* break or elif */
char sexp[MAX_NUM_BLOCK][40]; /*switch expression */
char sexpLen[MAX_NUM_BLOCK]; /*switch expression length */
} SBlock;
bool simParseExpression(char *token, int32_t lineNum);
#endif /*_TD_SIM_PARSE_H_*/