/* Title: Pure/Admin/afp.scala
Author: Makarius
Administrative support for the Archive of Formal Proofs.
*/
package isabelle
object AFP
{
val repos_source = "https://bitbucket.org/isa-afp/afp-devel"
def init(options: Options, base_dir: Path = Path.explode("$AFP_BASE")): AFP =
new AFP(options, base_dir)
sealed case class Entry(name: String, sessions: List[String])
}
class AFP private(options: Options, val base_dir: Path)
{
override def toString: String = base_dir.expand.toString
val main_dir: Path = base_dir + Path.explode("thys")
/* entries and sessions */
val entries: List[AFP.Entry] =
(for (name <- Sessions.parse_roots(main_dir + Sessions.ROOTS)) yield {
val sessions =
Sessions.parse_root_entries(main_dir + Path.explode(name) + Sessions.ROOT).map(_.name)
AFP.Entry(name, sessions)
}).sortBy(_.name)
val sessions: List[String] = entries.flatMap(_.sessions)
val sessions_structure: Sessions.Structure =
Sessions.load_structure(options, dirs = List(main_dir)).
selection(Sessions.Selection(sessions = sessions.toList))
/* dependency graph */
private def sessions_deps(entry: AFP.Entry): List[String] =
entry.sessions.flatMap(sessions_structure.imports_graph.imm_preds(_)).distinct.sorted
lazy val entries_graph: Graph[String, Unit] =
{
val session_entries =
(Map.empty[String, String] /: entries) {
case (m1, e) => (m1 /: e.sessions) { case (m2, s) => m2 + (s -> e.name) }
}
(Graph.empty[String, Unit] /: entries) { case (g, entry) =>
val e1 = entry.name
(g.default_node(e1, ()) /: sessions_deps(entry)) { case (g1, s) =>
(g1 /: session_entries.get(s).filterNot(_ == e1)) { case (g2, e2) =>
try { g2.default_node(e2, ()).add_edge_acyclic(e2, e1) }
catch {
case exn: Graph.Cycles[_] =>
error(cat_lines(exn.cycles.map(cycle =>
"Cyclic dependency of " + cycle.map(c => quote(c.toString)).mkString(" via ") +
" due to session " + quote(s))))
}
}
}
}
}
def entries_graph_display: Graph_Display.Graph =
Graph_Display.make_graph(entries_graph)
def entries_json_text: String =
(for (entry <- entries.iterator) yield {
val distrib_deps = sessions_deps(entry).filterNot(sessions.contains(_))
val afp_deps = entries_graph.imm_preds(entry.name).toList
"""
{""" + JSON.Format(entry.name) + """:
{"distrib_deps": """ + JSON.Format(distrib_deps) + """,
"afp_deps": """ + JSON.Format(afp_deps) + """
}
}"""
}).mkString("[", ", ", "\n]\n")
/* partition sessions */
val force_partition1: List[String] = List("Category3")
def partition(n: Int): List[String] =
n match {
case 0 => Nil
case 1 | 2 =>
val graph = sessions_structure.build_graph.restrict(sessions.toSet)
val force_part1 = graph.all_succs(force_partition1.filter(graph.defined(_))).toSet
val (isolated_sessions, connected_sessions) =
graph.keys.partition(a => graph.is_isolated(a) || force_part1.contains(a))
if (n == 1) isolated_sessions else connected_sessions
case _ => error("Bad AFP partition: " + n + " (should be 0, 1, 2)")
}
}