tools/perf/util/expr.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef PARSE_CTX_H
   3 #define PARSE_CTX_H 1
   4
   5 #define EXPR_MAX_OTHER 20
   6 #define MAX_PARSE_ID EXPR_MAX_OTHER
   7
   8 struct parse_id {
   9         const char *name;
  10         double val;
  11 };
  12
  13 struct parse_ctx {
  14         int num_ids;
  15         struct parse_id ids[MAX_PARSE_ID];
  16 };
  17
  18 void expr__ctx_init(struct parse_ctx *ctx);
  19 void expr__add_id(struct parse_ctx *ctx, const char *id, double val);
  20 int expr__parse(double *final_val, struct parse_ctx *ctx, const char *expr);
  21 int expr__find_other(const char *expr, const char *one, const char ***other,
  22                 int *num_other);
  23
  24 #endif