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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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