/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef PARSE_CTX_H
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#define PARSE_CTX_H 1
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// There are fixes that need to land upstream before we can use libbpf's headers,
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// for now use our copy uncoditionally, since the data structures at this point
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// are exactly the same, no problem.
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//#ifdef HAVE_LIBBPF_SUPPORT
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//#include <bpf/hashmap.h>
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//#else
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#include "util/hashmap.h"
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//#endif
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struct metric_ref;
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struct expr_id {
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char *id;
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struct expr_id *parent;
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};
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struct expr_parse_ctx {
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struct hashmap ids;
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struct expr_id *parent;
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};
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struct expr_id_data {
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union {
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double val;
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struct {
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const char *metric_name;
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const char *metric_expr;
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bool counted;
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} ref;
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struct expr_id *parent;
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};
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bool is_ref;
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};
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struct expr_scanner_ctx {
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int start_token;
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int runtime;
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};
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void expr__ctx_init(struct expr_parse_ctx *ctx);
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void expr__ctx_clear(struct expr_parse_ctx *ctx);
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void expr__del_id(struct expr_parse_ctx *ctx, const char *id);
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int expr__add_id(struct expr_parse_ctx *ctx, const char *id);
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int expr__add_id_val(struct expr_parse_ctx *ctx, const char *id, double val);
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int expr__add_ref(struct expr_parse_ctx *ctx, struct metric_ref *ref);
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int expr__get_id(struct expr_parse_ctx *ctx, const char *id,
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struct expr_id_data **data);
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int expr__resolve_id(struct expr_parse_ctx *ctx, const char *id,
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struct expr_id_data **datap);
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int expr__parse(double *final_val, struct expr_parse_ctx *ctx,
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const char *expr, int runtime);
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int expr__find_other(const char *expr, const char *one,
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struct expr_parse_ctx *ids, int runtime);
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#endif
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