1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef PARSE_CTX_H
 3#define PARSE_CTX_H 1
 4
 5struct hashmap;
 6struct metric_ref;
 7
 8struct expr_scanner_ctx {
 9	char *user_requested_cpu_list;
10	int runtime;
11	bool system_wide;
12};
13
14struct expr_parse_ctx {
15	struct hashmap	*ids;
16	struct expr_scanner_ctx sctx;
17};
18
19struct expr_id_data;
20
21struct hashmap *ids__new(void);
22void ids__free(struct hashmap *ids);
23int ids__insert(struct hashmap *ids, const char *id);
24/*
25 * Union two sets of ids (hashmaps) and construct a third, freeing ids1 and
26 * ids2.
27 */
28struct hashmap *ids__union(struct hashmap *ids1, struct hashmap *ids2);
29
30struct expr_parse_ctx *expr__ctx_new(void);
31void expr__ctx_clear(struct expr_parse_ctx *ctx);
32void expr__ctx_free(struct expr_parse_ctx *ctx);
33
34void expr__del_id(struct expr_parse_ctx *ctx, const char *id);
35int expr__add_id(struct expr_parse_ctx *ctx, const char *id);
36int expr__add_id_val(struct expr_parse_ctx *ctx, const char *id, double val);
37int expr__add_id_val_source_count(struct expr_parse_ctx *ctx, const char *id,
38				double val, int source_count);
39int expr__add_ref(struct expr_parse_ctx *ctx, struct metric_ref *ref);
40int expr__get_id(struct expr_parse_ctx *ctx, const char *id,
41		 struct expr_id_data **data);
42bool expr__subset_of_ids(struct expr_parse_ctx *haystack,
43			 struct expr_parse_ctx *needles);
44int expr__resolve_id(struct expr_parse_ctx *ctx, const char *id,
45		     struct expr_id_data **datap);
46
47int expr__parse(double *final_val, struct expr_parse_ctx *ctx,
48		const char *expr);
49
50int expr__find_ids(const char *expr, const char *one,
51		   struct expr_parse_ctx *ids);
52
53double expr_id_data__value(const struct expr_id_data *data);
54double expr_id_data__source_count(const struct expr_id_data *data);
55double expr__get_literal(const char *literal, const struct expr_scanner_ctx *ctx);
56
57#endif