1b2441318SGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 */ 207516736SAndi Kleen #ifndef PARSE_CTX_H 307516736SAndi Kleen #define PARSE_CTX_H 1 407516736SAndi Kleen 5ded80bdaSIan Rogers // There are fixes that need to land upstream before we can use libbpf's headers, 64d39c89fSIngo Molnar // for now use our copy unconditionally, since the data structures at this point 7ded80bdaSIan Rogers // are exactly the same, no problem. 8ded80bdaSIan Rogers //#ifdef HAVE_LIBBPF_SUPPORT 9ded80bdaSIan Rogers //#include <bpf/hashmap.h> 10ded80bdaSIan Rogers //#else 11ded80bdaSIan Rogers #include "util/hashmap.h" 12ded80bdaSIan Rogers //#endif 1307516736SAndi Kleen 14fc393839SJiri Olsa struct metric_ref; 15fc393839SJiri Olsa 16aecce63eSJiri Olsa struct expr_parse_ctx { 17cb94a02eSIan Rogers struct hashmap *ids; 18fa831fbbSIan Rogers int runtime; 1907516736SAndi Kleen }; 2007516736SAndi Kleen 2129396cd5SIan Rogers struct expr_id_data; 22070b3b5aSJiri Olsa 23871f9f59SJiri Olsa struct expr_scanner_ctx { 241e1a873dSKajol Jain int runtime; 25871f9f59SJiri Olsa }; 26871f9f59SJiri Olsa 27114a9d6eSIan Rogers struct hashmap *ids__new(void); 28114a9d6eSIan Rogers void ids__free(struct hashmap *ids); 2980be6434SIan Rogers int ids__insert(struct hashmap *ids, const char *id); 30114a9d6eSIan Rogers /* 31114a9d6eSIan Rogers * Union two sets of ids (hashmaps) and construct a third, freeing ids1 and 32114a9d6eSIan Rogers * ids2. 33114a9d6eSIan Rogers */ 34114a9d6eSIan Rogers struct hashmap *ids__union(struct hashmap *ids1, struct hashmap *ids2); 35114a9d6eSIan Rogers 36cb94a02eSIan Rogers struct expr_parse_ctx *expr__ctx_new(void); 37ded80bdaSIan Rogers void expr__ctx_clear(struct expr_parse_ctx *ctx); 38cb94a02eSIan Rogers void expr__ctx_free(struct expr_parse_ctx *ctx); 39114a9d6eSIan Rogers 403fd29fa6SJiri Olsa void expr__del_id(struct expr_parse_ctx *ctx, const char *id); 41332603c2SJiri Olsa int expr__add_id(struct expr_parse_ctx *ctx, const char *id); 422c46f542SJiri Olsa int expr__add_id_val(struct expr_parse_ctx *ctx, const char *id, double val); 43*9aba0adaSIan Rogers int expr__add_id_val_source_count(struct expr_parse_ctx *ctx, const char *id, 44*9aba0adaSIan Rogers double val, int source_count); 45fc393839SJiri Olsa int expr__add_ref(struct expr_parse_ctx *ctx, struct metric_ref *ref); 465c5f5e83SJiri Olsa int expr__get_id(struct expr_parse_ctx *ctx, const char *id, 475c5f5e83SJiri Olsa struct expr_id_data **data); 48798c3f4aSIan Rogers bool expr__subset_of_ids(struct expr_parse_ctx *haystack, 49798c3f4aSIan Rogers struct expr_parse_ctx *needles); 50acf71b05SJiri Olsa int expr__resolve_id(struct expr_parse_ctx *ctx, const char *id, 51acf71b05SJiri Olsa struct expr_id_data **datap); 52114a9d6eSIan Rogers 53ded80bdaSIan Rogers int expr__parse(double *final_val, struct expr_parse_ctx *ctx, 54fa831fbbSIan Rogers const char *expr); 55114a9d6eSIan Rogers 567e06a5e3SIan Rogers int expr__find_ids(const char *expr, const char *one, 57fa831fbbSIan Rogers struct expr_parse_ctx *ids); 5807516736SAndi Kleen 5929396cd5SIan Rogers double expr_id_data__value(const struct expr_id_data *data); 60*9aba0adaSIan Rogers double expr_id_data__source_count(const struct expr_id_data *data); 613613f6c1SIan Rogers double expr__get_literal(const char *literal); 6229396cd5SIan Rogers 6307516736SAndi Kleen #endif 64