/* 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