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/* 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 metric_ref;
struct expr_id {
char *id;
struct expr_id *parent;
};
struct expr_parse_ctx {
struct hashmap ids;
struct expr_id *parent;
};
struct expr_id_data {
union {
double val;
struct {
const char *metric_name;
const char *metric_expr;
bool counted;
} ref;
struct expr_id *parent;
};
bool is_ref;
};
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);
void expr__del_id(struct expr_parse_ctx *ctx, const char *id);
int expr__add_id(struct expr_parse_ctx *ctx, const char *id);
int expr__add_id_val(struct expr_parse_ctx *ctx, const char *id, double val);
int expr__add_ref(struct expr_parse_ctx *ctx, struct metric_ref *ref);
int expr__get_id(struct expr_parse_ctx *ctx, const char *id,
struct expr_id_data **data);
int expr__resolve_id(struct expr_parse_ctx *ctx, const char *id,
struct expr_id_data **datap);
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
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