Commit | Line | Data |
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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
07516736 AK |
2 | #ifndef PARSE_CTX_H |
3 | #define PARSE_CTX_H 1 | |
4 | ||
ded80bda | 5 | // There are fixes that need to land upstream before we can use libbpf's headers, |
4d39c89f | 6 | // for now use our copy unconditionally, since the data structures at this point |
ded80bda IR |
7 | // are exactly the same, no problem. |
8 | //#ifdef HAVE_LIBBPF_SUPPORT | |
9 | //#include <bpf/hashmap.h> | |
10 | //#else | |
11 | #include "util/hashmap.h" | |
12 | //#endif | |
07516736 | 13 | |
fc393839 JO |
14 | struct metric_ref; |
15 | ||
f6fb0960 JO |
16 | struct expr_id { |
17 | char *id; | |
18 | struct expr_id *parent; | |
19 | }; | |
20 | ||
aecce63e | 21 | struct expr_parse_ctx { |
cb94a02e | 22 | struct hashmap *ids; |
f6fb0960 | 23 | struct expr_id *parent; |
fa831fbb | 24 | int runtime; |
07516736 AK |
25 | }; |
26 | ||
29396cd5 | 27 | struct expr_id_data; |
070b3b5a | 28 | |
871f9f59 | 29 | struct expr_scanner_ctx { |
1e1a873d | 30 | int runtime; |
871f9f59 JO |
31 | }; |
32 | ||
114a9d6e IR |
33 | struct hashmap *ids__new(void); |
34 | void ids__free(struct hashmap *ids); | |
35 | int ids__insert(struct hashmap *ids, const char *id, struct expr_id *parent); | |
36 | /* | |
37 | * Union two sets of ids (hashmaps) and construct a third, freeing ids1 and | |
38 | * ids2. | |
39 | */ | |
40 | struct hashmap *ids__union(struct hashmap *ids1, struct hashmap *ids2); | |
41 | ||
cb94a02e | 42 | struct expr_parse_ctx *expr__ctx_new(void); |
ded80bda | 43 | void expr__ctx_clear(struct expr_parse_ctx *ctx); |
cb94a02e | 44 | void expr__ctx_free(struct expr_parse_ctx *ctx); |
114a9d6e | 45 | |
3fd29fa6 | 46 | void expr__del_id(struct expr_parse_ctx *ctx, const char *id); |
332603c2 | 47 | int expr__add_id(struct expr_parse_ctx *ctx, const char *id); |
2c46f542 | 48 | int expr__add_id_val(struct expr_parse_ctx *ctx, const char *id, double val); |
fc393839 | 49 | int expr__add_ref(struct expr_parse_ctx *ctx, struct metric_ref *ref); |
5c5f5e83 JO |
50 | int expr__get_id(struct expr_parse_ctx *ctx, const char *id, |
51 | struct expr_id_data **data); | |
acf71b05 JO |
52 | int expr__resolve_id(struct expr_parse_ctx *ctx, const char *id, |
53 | struct expr_id_data **datap); | |
114a9d6e | 54 | |
ded80bda | 55 | int expr__parse(double *final_val, struct expr_parse_ctx *ctx, |
fa831fbb | 56 | const char *expr); |
114a9d6e | 57 | |
7e06a5e3 | 58 | int expr__find_ids(const char *expr, const char *one, |
fa831fbb | 59 | struct expr_parse_ctx *ids); |
07516736 | 60 | |
29396cd5 IR |
61 | double expr_id_data__value(const struct expr_id_data *data); |
62 | struct expr_id *expr_id_data__parent(struct expr_id_data *data); | |
63 | ||
07516736 | 64 | #endif |