Source file Builtin_queries.ml

(*
 * SPDX-FileCopyrightText: 2024 The Forester Project Contributors
 *
 * SPDX-License-Identifier: GPL-3.0-or-later
 *)

module Dx = Datalog_expr

let context_datalog vtx : _ Dx.query =
  let open Dx.Notation in
  let x = "X" in
  Dx.{
    var = x;
    positives = [Builtin_relation.transcludes @* [var x; const vtx]];
    negatives = []
  }

let children_datalog vtx : _ Dx.query =
  let open Dx.Notation in
  let x = "X" in
  Dx.{
    var = x;
    positives = [Builtin_relation.transcludes @* [const vtx; var x]];
    negatives = []
  }

let backlinks_datalog vtx : _ Dx.query =
  let open Dx.Notation in
  let x = "X" in
  Dx.{
    var = x;
    positives = [Builtin_relation.links_to @* [var x; const vtx]];
    negatives = []
  }

let fwdlinks_datalog vtx : _ Dx.query =
  let open Dx.Notation in
  let x = "X" in
  Dx.{
    var = x;
    positives = [Builtin_relation.links_to @* [const vtx; var x]];
    negatives = []
  }

let related_datalog vtx : _ Dx.query =
  let open Dx.Notation in
  let x = "X" in
  Dx.{
    var = x;
    positives = [Builtin_relation.links_to @* [const vtx; var x]];
    negatives = [Builtin_relation.is_reference @* [var x]]
  }

let contributions_datalog vtx : _ Dx.query =
  let open Dx.Notation in
  let x = "X" in
  Dx.{
    var = x;
    positives = [
      Builtin_relation.has_direct_contributor @* [var x; const vtx];
      Builtin_relation.is_reference @* [var x]
    ];
    negatives = []
  }

let references_datalog vtx : _ Datalog_expr.query =
  let open Dx.Notation in
  let x = "X" in
  Dx.{
    var = x;
    positives = [Builtin_relation.references @* [const vtx; var x]];
    negatives = []
  }