1  /* SPDX-License-Identifier: GPL-2.0 */
2  #ifndef PARSE_CTX_H
3  #define PARSE_CTX_H 1
4  
5  struct hashmap;
6  struct metric_ref;
7  
8  struct expr_scanner_ctx {
9  	char *user_requested_cpu_list;
10  	int runtime;
11  	bool system_wide;
12  	bool is_test;
13  };
14  
15  struct expr_parse_ctx {
16  	struct hashmap	*ids;
17  	struct expr_scanner_ctx sctx;
18  };
19  
20  struct expr_id_data;
21  
22  struct hashmap *ids__new(void);
23  void ids__free(struct hashmap *ids);
24  int 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   */
29  struct hashmap *ids__union(struct hashmap *ids1, struct hashmap *ids2);
30  
31  struct expr_parse_ctx *expr__ctx_new(void);
32  void expr__ctx_clear(struct expr_parse_ctx *ctx);
33  void expr__ctx_free(struct expr_parse_ctx *ctx);
34  
35  void expr__del_id(struct expr_parse_ctx *ctx, const char *id);
36  int expr__add_id(struct expr_parse_ctx *ctx, const char *id);
37  int expr__add_id_val(struct expr_parse_ctx *ctx, const char *id, double val);
38  int expr__add_id_val_source_count(struct expr_parse_ctx *ctx, const char *id,
39  				double val, int source_count);
40  int expr__add_ref(struct expr_parse_ctx *ctx, struct metric_ref *ref);
41  int expr__get_id(struct expr_parse_ctx *ctx, const char *id,
42  		 struct expr_id_data **data);
43  bool expr__subset_of_ids(struct expr_parse_ctx *haystack,
44  			 struct expr_parse_ctx *needles);
45  int expr__resolve_id(struct expr_parse_ctx *ctx, const char *id,
46  		     struct expr_id_data **datap);
47  
48  int expr__parse(double *final_val, struct expr_parse_ctx *ctx,
49  		const char *expr);
50  
51  int expr__find_ids(const char *expr, const char *one,
52  		   struct expr_parse_ctx *ids);
53  
54  double expr_id_data__value(const struct expr_id_data *data);
55  double expr_id_data__source_count(const struct expr_id_data *data);
56  double expr__get_literal(const char *literal, const struct expr_scanner_ctx *ctx);
57  double expr__has_event(const struct expr_parse_ctx *ctx, bool compute_ids, const char *id);
58  double expr__strcmp_cpuid_str(const struct expr_parse_ctx *ctx, bool compute_ids, const char *id);
59  
60  #endif
61