package tezt

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package tezt
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Source file TSL_AST.ml

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(*****************************************************************************)
(*                                                                           *)
(* SPDX-License-Identifier: MIT                                              *)
(* Copyright (c) 2023 Nomadic Labs <contact@nomadic-labs.com>                *)
(*                                                                           *)
(*****************************************************************************)

(** Abstract Syntax Tree of the Test Selection Language. *)

open Base

(** Test properties that can be queried using string operators. *)
type string_var = File | Title

(** Test properties that can be queried using integer comparison operators. *)
type int_var = Memory

(** Test properties that can be queried using float comparison operators. *)
type float_var = Duration

(** Comparison operators for strings. *)
type string_operator = Is of string | Matches of rex

(** Comparison operators for numbers. *)
type numeric_operator = EQ | NE | GT | GE | LT | LE

(** AST of TSL. *)
type t =
  | True
  | False
  | String_predicate of string_var * string_operator
  | Int_predicate of int_var * numeric_operator * int
  | Float_predicate of float_var * numeric_operator * float
  | Has_tag of string
  | Not of t
  | And of t * t
  | Or of t * t