Zabbix

/*

** Copyright (C) 2001-2025 Zabbix SIA

**

** This program is free software: you can redistribute it and/or modify it under the terms of

** the GNU Affero General Public License as published by the Free Software Foundation, version 3.

**

** 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 Affero General Public License for more details.

**

** You should have received a copy of the GNU Affero General Public License along with this program.

** If not, see <https://www.gnu.org/licenses/>.

**/

​

#ifndef ZABBIX_ZBXEVAL_H

#define ZABBIX_ZBXEVAL_H

​

#include "zbxtime.h"

#include "zbxvariant.h"

#include "zbxexpr.h"

#include "zbxregexp.h"

​

/*

 * Token type flags (32 bits):

 * | 6 bits       | 4 bits              | 22 bits    |

 * | token class  | operator precedence | token type |

 */

#define ZBX_EVAL_CLASS_OPERAND      (__UINT64_C(0x01) << 26)

#define ZBX_EVAL_CLASS_OPERATOR1    (__UINT64_C(0x02) << 26)

#define ZBX_EVAL_CLASS_OPERATOR2    (__UINT64_C(0x04) << 26)

#define ZBX_EVAL_CLASS_FUNCTION     (__UINT64_C(0x08) << 26)

#define ZBX_EVAL_CLASS_SEPARATOR    (__UINT64_C(0x10) << 26)

#define ZBX_EVAL_CLASS_PROPERTY     (__UINT64_C(0x20) << 26)

#define ZBX_EVAL_CLASS_OPERATOR     (ZBX_EVAL_CLASS_OPERATOR1 | ZBX_EVAL_CLASS_OPERATOR2)

​

#define ZBX_EVAL_BEFORE_OPERAND     (ZBX_EVAL_CLASS_OPERATOR | ZBX_EVAL_CLASS_SEPARATOR)

#define ZBX_EVAL_BEFORE_OPERATOR    (ZBX_EVAL_CLASS_OPERAND | ZBX_EVAL_CLASS_PROPERTY)

​

#define ZBX_EVAL_OP_SET_PRECEDENCE(x)   ((x) << 22)

#define ZBX_EVAL_OP_PRIORITY        ZBX_EVAL_OP_SET_PRECEDENCE(0xf)

​

#define ZBX_EVAL_TOKEN_NOP      (0)

#define ZBX_EVAL_TOKEN_OP_ADD       (1 | ZBX_EVAL_CLASS_OPERATOR2 | ZBX_EVAL_OP_SET_PRECEDENCE(4))

#define ZBX_EVAL_TOKEN_OP_SUB       (2 | ZBX_EVAL_CLASS_OPERATOR2 | ZBX_EVAL_OP_SET_PRECEDENCE(4))

#define ZBX_EVAL_TOKEN_OP_MUL       (3 | ZBX_EVAL_CLASS_OPERATOR2 | ZBX_EVAL_OP_SET_PRECEDENCE(3))

#define ZBX_EVAL_TOKEN_OP_DIV       (4 | ZBX_EVAL_CLASS_OPERATOR2 | ZBX_EVAL_OP_SET_PRECEDENCE(3))

#define ZBX_EVAL_TOKEN_OP_MINUS     (5 | ZBX_EVAL_CLASS_OPERATOR1 | ZBX_EVAL_OP_SET_PRECEDENCE(2))

#define ZBX_EVAL_TOKEN_OP_EQ        (6 | ZBX_EVAL_CLASS_OPERATOR2 | ZBX_EVAL_OP_SET_PRECEDENCE(7))

#define ZBX_EVAL_TOKEN_OP_LT        (7 | ZBX_EVAL_CLASS_OPERATOR2 | ZBX_EVAL_OP_SET_PRECEDENCE(6))

#define ZBX_EVAL_TOKEN_OP_GT        (8 | ZBX_EVAL_CLASS_OPERATOR2 | ZBX_EVAL_OP_SET_PRECEDENCE(6))

#define ZBX_EVAL_TOKEN_OP_LE        (9 | ZBX_EVAL_CLASS_OPERATOR2 | ZBX_EVAL_OP_SET_PRECEDENCE(6))

#define ZBX_EVAL_TOKEN_OP_GE        (10 | ZBX_EVAL_CLASS_OPERATOR2 | ZBX_EVAL_OP_SET_PRECEDENCE(6))

#define ZBX_EVAL_TOKEN_OP_NE        (11 | ZBX_EVAL_CLASS_OPERATOR2 | ZBX_EVAL_OP_SET_PRECEDENCE(7))

#define ZBX_EVAL_TOKEN_OP_AND       (12 | ZBX_EVAL_CLASS_OPERATOR2 | ZBX_EVAL_OP_SET_PRECEDENCE(11))

#define ZBX_EVAL_TOKEN_OP_OR        (13 | ZBX_EVAL_CLASS_OPERATOR2 | ZBX_EVAL_OP_SET_PRECEDENCE(12))

#define ZBX_EVAL_TOKEN_OP_NOT       (14 | ZBX_EVAL_CLASS_OPERATOR1 | ZBX_EVAL_OP_SET_PRECEDENCE(2))

#define ZBX_EVAL_TOKEN_VAR_NUM      (15 | ZBX_EVAL_CLASS_OPERAND)

#define ZBX_EVAL_TOKEN_VAR_STR      (16 | ZBX_EVAL_CLASS_OPERAND)

#define ZBX_EVAL_TOKEN_VAR_MACRO    (17 | ZBX_EVAL_CLASS_OPERAND)

#define ZBX_EVAL_TOKEN_VAR_USERMACRO    (18 | ZBX_EVAL_CLASS_OPERAND)

#define ZBX_EVAL_TOKEN_VAR_LLDMACRO (19 | ZBX_EVAL_CLASS_OPERAND)

#define ZBX_EVAL_TOKEN_FUNCTIONID   (20 | ZBX_EVAL_CLASS_OPERAND)

#define ZBX_EVAL_TOKEN_FUNCTION     (21 | ZBX_EVAL_CLASS_FUNCTION)