projects / lttng-tools.git / blame
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|---|---|---|
| 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 */ | |
| 38 | IR_DATA_FIELD_REF, | |
| 39 | }; | |
| 40 | ||
| 41 | enum ir_op_type { | |
| 42 | IR_OP_UNKNOWN = 0, | |
| 43 | IR_OP_ROOT, | |
| 44 | IR_OP_LOAD, | |
| 45 | IR_OP_UNARY, | |
| 46 | IR_OP_BINARY, | |
| 47 | IR_OP_LOGICAL, | |
| 48 | }; | |
| 49 | ||
| 50 | /* left or right child */ | |
| 51 | enum ir_side { | |
| 52 | IR_SIDE_UNKNOWN = 0, | |
| 53 | IR_LEFT, | |
| 54 | IR_RIGHT, | |
| 55 | }; | |
| 56 | ||
| 57 | struct ir_op_root { | |
| 58 | struct ir_op *child; | |
| 59 | }; | |
| 60 | ||
| 61 | struct ir_op_load { | |
| 62 | union { | |
| 63 | char *string; | |
| 64 | int64_t num; | |
| 65 | char *ref; | |
| 66 | } u; | |
| 67 | }; | |
| 68 | ||
| 69 | struct ir_op_unary { | |
| 70 | enum unary_op_type type; | |
| 71 | struct ir_op *child; | |
| 72 | }; | |
| 73 | ||
| 74 | struct ir_op_binary { | |
| 75 | enum op_type type; | |
| 76 | struct ir_op *left; | |
| 77 | struct ir_op *right; | |
| 78 | }; | |
| 79 | ||
| 80 | struct ir_op_logical { | |
| 81 | enum op_type type; | |
| 82 | struct ir_op *left; | |
| 83 | struct ir_op *right; | |
| 84 | }; | |
| 85 | ||
| 86 | struct ir_op { | |
| 87 | /* common to all ops */ | |
| 88 | enum ir_op_type op; | |
| 89 | enum ir_data_type data_type; | |
| 90 | enum ir_op_signedness signedness; | |
| 91 | enum ir_side side; | |
| 92 | ||
| 93 | union { | |
| 94 | struct ir_op_root root; | |
| 95 | struct ir_op_load load; | |
| 96 | struct ir_op_unary unary; | |
| 97 | struct ir_op_binary binary; | |
| 98 | struct ir_op_logical logical; | |
| 99 | } u; | |
| 100 | }; | |
| 101 | ||
| 102 | #endif /* _FILTER_IR_H */ |