src/Pure/Thy/present.scala
changeset 65404 2b819faf45e9
parent 65391 b5740579cad6
child 65988 8040d2563593
--- a/src/Pure/Thy/present.scala	Thu Apr 06 14:08:42 2017 +0200
+++ b/src/Pure/Thy/present.scala	Thu Apr 06 14:32:56 2017 +0200
@@ -14,32 +14,6 @@
 
 object Present
 {
-  /* session graph */
-
-  def session_graph(
-    parent_session: String,
-    parent_base: Sessions.Base,
-    deps: List[Thy_Info.Dep]): Graph_Display.Graph =
-  {
-    val parent_session_node =
-      Graph_Display.Node("[" + parent_session + "]", "session." + parent_session)
-
-    def node(name: Document.Node.Name): Graph_Display.Node =
-      if (parent_base.loaded_theory(name)) parent_session_node
-      else Graph_Display.Node(Long_Name.base_name(name.theory), "theory." + name.theory)
-
-    (Graph_Display.empty_graph /: deps) {
-      case (g, dep) =>
-        if (parent_base.loaded_theory(dep.name)) g
-        else {
-          val a = node(dep.name)
-          val bs = dep.header.imports.map({ case (name, _) => node(name) })
-          ((g /: (a :: bs))(_.default_node(_, Nil)) /: bs)(_.add_edge(_, a))
-        }
-    }
-  }
-
-
   /* maintain chapter index -- NOT thread-safe */
 
   private val index_path = Path.basic("index.html")