OpenCloudOS-Kernel/tools/perf/util/expr.h

29 lines
645 B
C

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef PARSE_CTX_H
#define PARSE_CTX_H 1
#define EXPR_MAX_OTHER 20
#define MAX_PARSE_ID EXPR_MAX_OTHER
struct expr_parse_id {
const char *name;
double val;
};
struct expr_parse_ctx {
int num_ids;
struct expr_parse_id ids[MAX_PARSE_ID];
};
struct expr_scanner_ctx {
int start_token;
};
void expr__ctx_init(struct expr_parse_ctx *ctx);
void expr__add_id(struct expr_parse_ctx *ctx, const char *id, double val);
int expr__parse(double *final_val, struct expr_parse_ctx *ctx, const char *expr);
int expr__find_other(const char *expr, const char *one, const char ***other,
int *num_other);
#endif