[lttng-tools.git] / src / lib / lttng-ctl / filter-ir.h

#ifndef _FILTER_IR_H
#define _FILTER_IR_H

/*
 * filter-ir.h
 *
 * LTTng filter ir
 *
 * Copyright 2012 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
 *
 * This library is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License, version 2.1 only,
 * as published by the Free Software Foundation.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this library; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

#include "filter-ast.h"

enum ir_op_signedness {
	IR_SIGN_UNKNOWN = 0,
	IR_SIGNED,
	IR_UNSIGNED,
	IR_SIGN_DYN,		/* signedness determined dynamically */
};

enum ir_data_type {
	IR_DATA_UNKNOWN = 0,
	IR_DATA_STRING,
	IR_DATA_NUMERIC,	/* numeric and boolean */
	IR_DATA_FLOAT,
	IR_DATA_FIELD_REF,
};

enum ir_op_type {
	IR_OP_UNKNOWN = 0,
	IR_OP_ROOT,
	IR_OP_LOAD,
	IR_OP_UNARY,
	IR_OP_BINARY,
	IR_OP_LOGICAL,
};

/* left or right child */
enum ir_side {
	IR_SIDE_UNKNOWN = 0,
	IR_LEFT,
	IR_RIGHT,
};

struct ir_op_root {
	struct ir_op *child;
};

struct ir_op_load {
	union {
		char *string;
		int64_t num;
		double flt;
		char *ref;
	} u;
};

struct ir_op_unary {
	enum unary_op_type type;
	struct ir_op *child;
};

struct ir_op_binary {
	enum op_type type;
	struct ir_op *left;
	struct ir_op *right;
};

struct ir_op_logical {
	enum op_type type;
	struct ir_op *left;
	struct ir_op *right;
};

struct ir_op {
	/* common to all ops */
	enum ir_op_type op;
	enum ir_data_type data_type;
	enum ir_op_signedness signedness;
	enum ir_side side;

	union {
		struct ir_op_root root;
		struct ir_op_load load;
		struct ir_op_unary unary;
		struct ir_op_binary binary;
		struct ir_op_logical logical;
	} u;
};

#endif /* _FILTER_IR_H */
Commit	Line	Data
953192ba MD	1	#ifndef _FILTER_IR_H
	2	#define _FILTER_IR_H
	3
	4	/*
	5	* filter-ir.h
	6	*
	7	* LTTng filter ir
	8	*
	9	* Copyright 2012 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
	10	*
	11	* This library is free software; you can redistribute it and/or modify it
	12	* under the terms of the GNU Lesser General Public License, version 2.1 only,
	13	* as published by the Free Software Foundation.
	14	*
	15	* This library is distributed in the hope that it will be useful,
	16	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	17	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	18	* Lesser General Public License for more details.
	19	*
	20	* You should have received a copy of the GNU Lesser General Public License
	21	* along with this library; if not, write to the Free Software Foundation,
	22	* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
	23	*/
	24
	25	#include "filter-ast.h"
	26
	27	enum ir_op_signedness {
	28	IR_SIGN_UNKNOWN = 0,
	29	IR_SIGNED,
	30	IR_UNSIGNED,
	31	IR_SIGN_DYN, /* signedness determined dynamically */
	32	};
	33
	34	enum ir_data_type {
	35	IR_DATA_UNKNOWN = 0,
	36	IR_DATA_STRING,
	37	IR_DATA_NUMERIC, /* numeric and boolean */
e90d8561	38	IR_DATA_FLOAT,
953192ba MD	39	IR_DATA_FIELD_REF,
	40	};
	41
	42	enum ir_op_type {
	43	IR_OP_UNKNOWN = 0,
	44	IR_OP_ROOT,
	45	IR_OP_LOAD,
	46	IR_OP_UNARY,
	47	IR_OP_BINARY,
	48	IR_OP_LOGICAL,
	49	};
	50
	51	/* left or right child */
	52	enum ir_side {
	53	IR_SIDE_UNKNOWN = 0,
	54	IR_LEFT,
	55	IR_RIGHT,
	56	};
	57
	58	struct ir_op_root {
	59	struct ir_op *child;
	60	};
	61
	62	struct ir_op_load {
	63	union {
	64	char *string;
	65	int64_t num;
e90d8561	66	double flt;
953192ba MD	67	char *ref;
	68	} u;
	69	};
	70
	71	struct ir_op_unary {
	72	enum unary_op_type type;
	73	struct ir_op *child;
	74	};
	75
	76	struct ir_op_binary {
	77	enum op_type type;
	78	struct ir_op *left;
	79	struct ir_op *right;
	80	};
	81
	82	struct ir_op_logical {
	83	enum op_type type;
	84	struct ir_op *left;
	85	struct ir_op *right;
	86	};
	87
	88	struct ir_op {
	89	/* common to all ops */
	90	enum ir_op_type op;
	91	enum ir_data_type data_type;
	92	enum ir_op_signedness signedness;
	93	enum ir_side side;
	94
	95	union {
	96	struct ir_op_root root;
	97	struct ir_op_load load;
	98	struct ir_op_unary unary;
	99	struct ir_op_binary binary;
	100	struct ir_op_logical logical;
	101	} u;
	102	};
	103
	104	#endif /* _FILTER_IR_H */