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, 6ded80bdaSIan Rogers // for now use our copy uncoditionally, 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 16f6fb0960SJiri Olsa struct expr_id { 17f6fb0960SJiri Olsa char *id; 18f6fb0960SJiri Olsa struct expr_id *parent; 19f6fb0960SJiri Olsa }; 20f6fb0960SJiri Olsa 21aecce63eSJiri Olsa struct expr_parse_ctx { 22ded80bdaSIan Rogers struct hashmap ids; 23f6fb0960SJiri Olsa struct expr_id *parent; 2407516736SAndi Kleen }; 2507516736SAndi Kleen 26*29396cd5SIan Rogers struct expr_id_data; 27070b3b5aSJiri Olsa 28871f9f59SJiri Olsa struct expr_scanner_ctx { 29871f9f59SJiri Olsa int start_token; 301e1a873dSKajol Jain int runtime; 31871f9f59SJiri Olsa }; 32871f9f59SJiri Olsa 33aecce63eSJiri Olsa void expr__ctx_init(struct expr_parse_ctx *ctx); 34ded80bdaSIan Rogers void expr__ctx_clear(struct expr_parse_ctx *ctx); 353fd29fa6SJiri Olsa void expr__del_id(struct expr_parse_ctx *ctx, const char *id); 36332603c2SJiri Olsa int expr__add_id(struct expr_parse_ctx *ctx, const char *id); 372c46f542SJiri Olsa int expr__add_id_val(struct expr_parse_ctx *ctx, const char *id, double val); 38fc393839SJiri Olsa int expr__add_ref(struct expr_parse_ctx *ctx, struct metric_ref *ref); 395c5f5e83SJiri Olsa int expr__get_id(struct expr_parse_ctx *ctx, const char *id, 405c5f5e83SJiri Olsa struct expr_id_data **data); 41acf71b05SJiri Olsa int expr__resolve_id(struct expr_parse_ctx *ctx, const char *id, 42acf71b05SJiri Olsa struct expr_id_data **datap); 43ded80bdaSIan Rogers int expr__parse(double *final_val, struct expr_parse_ctx *ctx, 44ded80bdaSIan Rogers const char *expr, int runtime); 45ded80bdaSIan Rogers int expr__find_other(const char *expr, const char *one, 46ded80bdaSIan Rogers struct expr_parse_ctx *ids, int runtime); 4707516736SAndi Kleen 48*29396cd5SIan Rogers double expr_id_data__value(const struct expr_id_data *data); 49*29396cd5SIan Rogers struct expr_id *expr_id_data__parent(struct expr_id_data *data); 50*29396cd5SIan Rogers 5107516736SAndi Kleen #endif 52