tools/perf/util/expr.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef PARSE_CTX_H
#define PARSE_CTX_H 1

// There are fixes that need to land upstream before we can use libbpf's headers,
// for now use our copy uncoditionally, since the data structures at this point
// are exactly the same, no problem.
//#ifdef HAVE_LIBBPF_SUPPORT
//#include <bpf/hashmap.h>
//#else
#include "util/hashmap.h"
//#endif

struct expr_parse_ctx {
	struct hashmap ids;
};

struct expr_scanner_ctx {
	int start_token;
	int runtime;
};

void expr__ctx_init(struct expr_parse_ctx *ctx);
void expr__ctx_clear(struct expr_parse_ctx *ctx);
int expr__add_id(struct expr_parse_ctx *ctx, const char *id, double val);
int expr__get_id(struct expr_parse_ctx *ctx, const char *id, double *val_ptr);
int expr__parse(double *final_val, struct expr_parse_ctx *ctx,
		const char *expr, int runtime);
int expr__find_other(const char *expr, const char *one,
		struct expr_parse_ctx *ids, int runtime);

#endif