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	bool is_test;
13};
14
15struct expr_parse_ctx {
16	struct hashmap	*ids;
17	struct expr_scanner_ctx sctx;
18};
19
20struct expr_id_data;
21
22struct hashmap *ids__new(void);
23void ids__free(struct hashmap *ids);
24int ids__insert(struct hashmap *ids, const char *id);
25/*
26 * Union two sets of ids (hashmaps) and construct a third, freeing ids1 and
27 * ids2.
28 */
29struct hashmap *ids__union(struct hashmap *ids1, struct hashmap *ids2);
30
31struct expr_parse_ctx *expr__ctx_new(void);
32void expr__ctx_clear(struct expr_parse_ctx *ctx);
33void expr__ctx_free(struct expr_parse_ctx *ctx);
34
35void expr__del_id(struct expr_parse_ctx *ctx, const char *id);
36int expr__add_id(struct expr_parse_ctx *ctx, const char *id);
37int expr__add_id_val(struct expr_parse_ctx *ctx, const char *id, double val);
38int expr__add_id_val_source_count(struct expr_parse_ctx *ctx, const char *id,
39				double val, int source_count);
40int expr__add_ref(struct expr_parse_ctx *ctx, struct metric_ref *ref);
41int expr__get_id(struct expr_parse_ctx *ctx, const char *id,
42		 struct expr_id_data **data);
43bool expr__subset_of_ids(struct expr_parse_ctx *haystack,
44			 struct expr_parse_ctx *needles);
45int expr__resolve_id(struct expr_parse_ctx *ctx, const char *id,
46		     struct expr_id_data **datap);
47
48int expr__parse(double *final_val, struct expr_parse_ctx *ctx,
49		const char *expr);
50
51int expr__find_ids(const char *expr, const char *one,
52		   struct expr_parse_ctx *ids);
53
54double expr_id_data__value(const struct expr_id_data *data);
55double expr_id_data__source_count(const struct expr_id_data *data);
56double expr__get_literal(const char *literal, const struct expr_scanner_ctx *ctx);
57double expr__has_event(const struct expr_parse_ctx *ctx, bool compute_ids, const char *id);
58double expr__strcmp_cpuid_str(const struct expr_parse_ctx *ctx, bool compute_ids, const char *id);
59
60#endif

 1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef PARSE_CTX_H
 3#define PARSE_CTX_H 1
 4
 5// There are fixes that need to land upstream before we can use libbpf's headers,
 6// for now use our copy unconditionally, since the data structures at this point
 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
13
14struct metric_ref;
15
16struct expr_id {
17	char		*id;
18	struct expr_id	*parent;
 
 
19};
20
21struct expr_parse_ctx {
22	struct hashmap	 ids;
23	struct expr_id	*parent;
24};
25
26struct expr_id_data;
27
28struct expr_scanner_ctx {
29	int start_token;
30	int runtime;
31};
 
 
 
 
32
33void expr__ctx_init(struct expr_parse_ctx *ctx);
34void expr__ctx_clear(struct expr_parse_ctx *ctx);
 
 
35void expr__del_id(struct expr_parse_ctx *ctx, const char *id);
36int expr__add_id(struct expr_parse_ctx *ctx, const char *id);
37int expr__add_id_val(struct expr_parse_ctx *ctx, const char *id, double val);
 
 
38int expr__add_ref(struct expr_parse_ctx *ctx, struct metric_ref *ref);
39int expr__get_id(struct expr_parse_ctx *ctx, const char *id,
40		 struct expr_id_data **data);
 
 
41int expr__resolve_id(struct expr_parse_ctx *ctx, const char *id,
42		     struct expr_id_data **datap);
 
43int expr__parse(double *final_val, struct expr_parse_ctx *ctx,
44		const char *expr, int runtime);
45int expr__find_other(const char *expr, const char *one,
46		struct expr_parse_ctx *ids, int runtime);
 
47
48double expr_id_data__value(const struct expr_id_data *data);
49struct expr_id *expr_id_data__parent(struct expr_id_data *data);
 
 
 
50
51#endif