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