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 uncoditionally, 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 14 struct expr_parse_ctx { 15 struct hashmap ids; 16 }; 17 18 struct expr_scanner_ctx { 19 int start_token; 20 int runtime; 21 }; 22 23 void expr__ctx_init(struct expr_parse_ctx *ctx); 24 void expr__ctx_clear(struct expr_parse_ctx *ctx); 25 int expr__add_id(struct expr_parse_ctx *ctx, const char *id, double val); 26 int expr__get_id(struct expr_parse_ctx *ctx, const char *id, double *val_ptr); 27 int expr__parse(double *final_val, struct expr_parse_ctx *ctx, 28 const char *expr, int runtime); 29 int expr__find_other(const char *expr, const char *one, 30 struct expr_parse_ctx *ids, int runtime); 31 32 #endif 33