src/Pure/Thy/sessions.scala
author wenzelm
Thu Apr 06 15:20:45 2017 +0200 (2017-04-06)
changeset 65406 cc9e2f1f279d
parent 65404 2b819faf45e9
child 65407 4546272431e9
permissions -rw-r--r--
tuned signature;
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/*  Title:      Pure/Thy/sessions.scala
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    Author:     Makarius
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Isabelle session information.
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*/
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package isabelle
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import java.nio.ByteBuffer
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import java.nio.channels.FileChannel
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import java.nio.file.StandardOpenOption
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import java.sql.PreparedStatement
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import scala.collection.SortedSet
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import scala.collection.mutable
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object Sessions
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{
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  /* base info and source dependencies */
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  def is_pure(name: String): Boolean = name == Thy_Header.PURE
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  object Base
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  {
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    def pure(options: Options): Base = session_base(options, Thy_Header.PURE)
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    lazy val bootstrap: Base =
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      Base(keywords = Thy_Header.bootstrap_header, syntax = Thy_Header.bootstrap_syntax)
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  }
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  sealed case class Base(
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    global_theories: Set[String] = Set.empty,
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    loaded_theories: Set[String] = Set.empty,
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    known_theories: Map[String, Document.Node.Name] = Map.empty,
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    keywords: Thy_Header.Keywords = Nil,
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    syntax: Outer_Syntax = Outer_Syntax.empty,
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    sources: List[(Path, SHA1.Digest)] = Nil,
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    session_graph: Graph_Display.Graph = Graph_Display.empty_graph)
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  {
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    def loaded_theory(name: Document.Node.Name): Boolean =
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      loaded_theories.contains(name.theory)
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  }
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  sealed case class Deps(sessions: Map[String, Base])
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  {
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    def is_empty: Boolean = sessions.isEmpty
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    def apply(name: String): Base = sessions(name)
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    def sources(name: String): List[SHA1.Digest] = sessions(name).sources.map(_._2)
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  }
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  def deps(tree: Tree,
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      progress: Progress = No_Progress,
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      inlined_files: Boolean = false,
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      verbose: Boolean = false,
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      list_files: Boolean = false,
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      check_keywords: Set[String] = Set.empty,
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      global_theories: Set[String] = Set.empty): Deps =
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  {
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    Deps((Map.empty[String, Base] /: tree.topological_order)(
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      { case (sessions, (name, info)) =>
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          if (progress.stopped) throw Exn.Interrupt()
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          try {
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            val parent_base =
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              info.parent match {
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                case None => Base.bootstrap
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                case Some(parent) => sessions(parent)
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              }
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            val resources = new Resources(name, parent_base)
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            if (verbose || list_files) {
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              val groups =
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                if (info.groups.isEmpty) ""
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                else info.groups.mkString(" (", " ", ")")
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              progress.echo("Session " + info.chapter + "/" + name + groups)
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            }
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            val thy_deps =
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            {
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              val root_theories =
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                info.theories.flatMap({ case (_, thys) =>
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                  thys.map(thy => (resources.import_name(info.dir.implode, thy), info.pos))
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                })
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              val thy_deps = resources.thy_info.dependencies(root_theories)
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              thy_deps.errors match {
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                case Nil => thy_deps
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                case errs => error(cat_lines(errs))
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              }
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            }
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            val known_theories =
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              (parent_base.known_theories /: thy_deps.deps)({ case (known, dep) =>
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                val name = dep.name
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                known.get(name.theory) match {
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                  case Some(name1) if name != name1 =>
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                    error("Duplicate theory " + quote(name.node) + " vs. " + quote(name1.node))
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                  case _ =>
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                    known + (name.theory -> name) + (Long_Name.base_name(name.theory) -> name)
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                }
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              })
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            val loaded_theories = thy_deps.loaded_theories
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            val keywords = thy_deps.keywords
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            val syntax = thy_deps.syntax
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            val theory_files = thy_deps.deps.map(dep => Path.explode(dep.name.node))
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            val loaded_files =
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              if (inlined_files) {
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                val pure_files =
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                  if (is_pure(name)) {
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                    val roots = Thy_Header.ml_roots.map(p => info.dir + Path.explode(p._1))
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                    val files =
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                      roots.flatMap(root => resources.loaded_files(syntax, File.read(root))).
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                        map(file => info.dir + Path.explode(file))
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                    roots ::: files
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                  }
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                  else Nil
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                pure_files ::: thy_deps.loaded_files
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              }
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              else Nil
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            val all_files =
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              (theory_files ::: loaded_files :::
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                info.files.map(file => info.dir + file) :::
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                info.document_files.map(file => info.dir + file._1 + file._2)).map(_.expand)
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            if (list_files)
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              progress.echo(cat_lines(all_files.map(_.implode).sorted.map("  " + _)))
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            if (check_keywords.nonEmpty)
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              Check_Keywords.check_keywords(progress, syntax.keywords, check_keywords, theory_files)
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            val base =
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              Base(global_theories = global_theories,
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                loaded_theories = loaded_theories,
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                known_theories = known_theories,
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                keywords = keywords,
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                syntax = syntax,
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                sources = all_files.map(p => (p, SHA1.digest(p.file))),
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                session_graph = thy_deps.session_graph(info.parent getOrElse "", parent_base))
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            sessions + (name -> base)
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          }
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          catch {
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            case ERROR(msg) =>
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              cat_error(msg, "The error(s) above occurred in session " +
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                quote(name) + Position.here(info.pos))
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          }
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      }))
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  }
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  def session_base(options: Options, session: String, dirs: List[Path] = Nil): Base =
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  {
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    val full_tree = load(options, dirs = dirs)
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    val (_, tree) = full_tree.selection(sessions = List(session))
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    deps(tree, global_theories = full_tree.global_theories)(session)
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  }
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  /* session tree */
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  sealed case class Info(
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    chapter: String,
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    select: Boolean,
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    pos: Position.T,
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    groups: List[String],
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    dir: Path,
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    parent: Option[String],
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    description: String,
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    options: Options,
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    theories: List[(Options, List[String])],
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    global_theories: List[String],
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    files: List[Path],
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    document_files: List[(Path, Path)],
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    meta_digest: SHA1.Digest)
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  {
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    def timeout: Time = Time.seconds(options.real("timeout") * options.real("timeout_scale"))
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  }
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  object Tree
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  {
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    def apply(infos: Traversable[(String, Info)]): Tree =
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    {
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      val graph1 =
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        (Graph.string[Info] /: infos) {
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          case (graph, (name, info)) =>
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            if (graph.defined(name))
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              error("Duplicate session " + quote(name) + Position.here(info.pos) +
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                Position.here(graph.get_node(name).pos))
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            else graph.new_node(name, info)
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        }
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      val graph2 =
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        (graph1 /: graph1.iterator) {
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          case (graph, (name, (info, _))) =>
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            info.parent match {
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              case None => graph
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              case Some(parent) =>
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                if (!graph.defined(parent))
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                  error("Bad parent session " + quote(parent) + " for " +
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                    quote(name) + Position.here(info.pos))
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                try { graph.add_edge_acyclic(parent, name) }
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                catch {
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                  case exn: Graph.Cycles[_] =>
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                    error(cat_lines(exn.cycles.map(cycle =>
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                      "Cyclic session dependency of " +
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                        cycle.map(c => quote(c.toString)).mkString(" via "))) +
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                          Position.here(info.pos))
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                }
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            }
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        }
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      new Tree(graph2)
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    }
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  }
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  final class Tree private(val graph: Graph[String, Info])
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    extends PartialFunction[String, Info]
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  {
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    def apply(name: String): Info = graph.get_node(name)
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    def isDefinedAt(name: String): Boolean = graph.defined(name)
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    def global_theories: Set[String] =
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      (for {
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        (_, (info, _)) <- graph.iterator
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        name <- info.global_theories.iterator }
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       yield name).toSet
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    def selection(
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      requirements: Boolean = false,
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      all_sessions: Boolean = false,
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      exclude_session_groups: List[String] = Nil,
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      exclude_sessions: List[String] = Nil,
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      session_groups: List[String] = Nil,
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      sessions: List[String] = Nil): (List[String], Tree) =
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    {
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      val bad_sessions =
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        SortedSet((exclude_sessions ::: sessions).filterNot(isDefinedAt(_)): _*).toList
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      if (bad_sessions.nonEmpty) error("Undefined session(s): " + commas_quote(bad_sessions))
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      val excluded =
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      {
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        val exclude_group = exclude_session_groups.toSet
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        val exclude_group_sessions =
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          (for {
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            (name, (info, _)) <- graph.iterator
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            if apply(name).groups.exists(exclude_group)
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          } yield name).toList
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        graph.all_succs(exclude_group_sessions ::: exclude_sessions).toSet
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      }
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      val pre_selected =
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      {
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        if (all_sessions) graph.keys
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        else {
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          val select_group = session_groups.toSet
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          val select = sessions.toSet
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          (for {
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            (name, (info, _)) <- graph.iterator
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            if info.select || select(name) || apply(name).groups.exists(select_group)
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          } yield name).toList
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        }
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      }.filterNot(excluded)
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      val selected =
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        if (requirements) (graph.all_preds(pre_selected).toSet -- pre_selected).toList
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        else pre_selected
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      val graph1 = graph.restrict(graph.all_preds(selected).toSet)
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      (selected, new Tree(graph1))
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    }
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    def ancestors(name: String): List[String] =
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      graph.all_preds(List(name)).tail.reverse
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    def topological_order: List[(String, Info)] =
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      graph.topological_order.map(name => (name, apply(name)))
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    override def toString: String = graph.keys_iterator.mkString("Sessions.Tree(", ", ", ")")
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  }
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  /* parser */
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  val ROOT = Path.explode("ROOT")
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  val ROOTS = Path.explode("ROOTS")
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  private val CHAPTER = "chapter"
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  private val SESSION = "session"
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  private val IN = "in"
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  private val DESCRIPTION = "description"
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  private val OPTIONS = "options"
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  private val THEORIES = "theories"
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  private val GLOBAL = "global"
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  private val FILES = "files"
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  private val DOCUMENT_FILES = "document_files"
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  lazy val root_syntax =
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    Outer_Syntax.init() + "(" + ")" + "+" + "," + "=" + "[" + "]" + GLOBAL + IN +
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      (CHAPTER, Keyword.THY_DECL) +
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      (SESSION, Keyword.THY_DECL) +
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      (DESCRIPTION, Keyword.QUASI_COMMAND) +
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      (OPTIONS, Keyword.QUASI_COMMAND) +
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      (THEORIES, Keyword.QUASI_COMMAND) +
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      (FILES, Keyword.QUASI_COMMAND) +
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      (DOCUMENT_FILES, Keyword.QUASI_COMMAND)
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  private object Parser extends Parse.Parser with Options.Parser
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  {
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    private abstract class Entry
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    private sealed case class Chapter(name: String) extends Entry
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    private sealed case class Session_Entry(
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      pos: Position.T,
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      name: String,
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      groups: List[String],
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      path: String,
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      parent: Option[String],
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      description: String,
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      options: List[Options.Spec],
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      theories: List[(List[Options.Spec], List[(String, Boolean)])],
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      files: List[String],
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      document_files: List[(String, String)]) extends Entry
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    private val chapter: Parser[Chapter] =
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    {
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      val chapter_name = atom("chapter name", _.is_name)
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      command(CHAPTER) ~! chapter_name ^^ { case _ ~ a => Chapter(a) }
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    }
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    private val session_entry: Parser[Session_Entry] =
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    {
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      val session_name = atom("session name", _.is_name)
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      val option =
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        option_name ~ opt($$$("=") ~! option_value ^^
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          { case _ ~ x => x }) ^^ { case x ~ y => (x, y) }
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      val options = $$$("[") ~> rep1sep(option, $$$(",")) <~ $$$("]")
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      val global =
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        ($$$("(") ~! $$$(GLOBAL) ~ $$$(")")) ^^ { case _ => true } | success(false)
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      val theory_entry =
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        theory_name ~ global ^^ { case x ~ y => (x, y) }
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      val theories =
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        $$$(THEORIES) ~!
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          ((options | success(Nil)) ~ rep(theory_entry)) ^^
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          { case _ ~ (x ~ y) => (x, y) }
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      val document_files =
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        $$$(DOCUMENT_FILES) ~!
wenzelm@62631
   356
          (($$$("(") ~! ($$$(IN) ~! (path ~ $$$(")"))) ^^
wenzelm@62631
   357
              { case _ ~ (_ ~ (x ~ _)) => x } | success("document")) ~
wenzelm@62631
   358
            rep1(path)) ^^ { case _ ~ (x ~ y) => y.map((x, _)) }
wenzelm@62631
   359
wenzelm@62631
   360
      command(SESSION) ~!
wenzelm@62631
   361
        (position(session_name) ~
wenzelm@62631
   362
          (($$$("(") ~! (rep1(name) <~ $$$(")")) ^^ { case _ ~ x => x }) | success(Nil)) ~
wenzelm@62631
   363
          (($$$(IN) ~! path ^^ { case _ ~ x => x }) | success(".")) ~
wenzelm@62631
   364
          ($$$("=") ~!
wenzelm@62631
   365
            (opt(session_name ~! $$$("+") ^^ { case x ~ _ => x }) ~
wenzelm@62631
   366
              (($$$(DESCRIPTION) ~! text ^^ { case _ ~ x => x }) | success("")) ~
wenzelm@62631
   367
              (($$$(OPTIONS) ~! options ^^ { case _ ~ x => x }) | success(Nil)) ~
wenzelm@62631
   368
              rep1(theories) ~
wenzelm@62631
   369
              (($$$(FILES) ~! rep1(path) ^^ { case _ ~ x => x }) | success(Nil)) ~
wenzelm@62631
   370
              (rep(document_files) ^^ (x => x.flatten))))) ^^
wenzelm@62631
   371
        { case _ ~ ((a, pos) ~ b ~ c ~ (_ ~ (d ~ e ~ f ~ g ~ h ~ i))) =>
wenzelm@62631
   372
            Session_Entry(pos, a, b, c, d, e, f, g, h, i) }
wenzelm@62631
   373
    }
wenzelm@62631
   374
wenzelm@62631
   375
    def parse(options: Options, select: Boolean, dir: Path): List[(String, Info)] =
wenzelm@62631
   376
    {
wenzelm@62631
   377
      def make_info(entry_chapter: String, entry: Session_Entry): (String, Info) =
wenzelm@62631
   378
      {
wenzelm@62631
   379
        try {
wenzelm@62631
   380
          val name = entry.name
wenzelm@62631
   381
wenzelm@62631
   382
          if (name == "") error("Bad session name")
wenzelm@65360
   383
          if (is_pure(name) && entry.parent.isDefined) error("Illegal parent session")
wenzelm@65360
   384
          if (!is_pure(name) && !entry.parent.isDefined) error("Missing parent session")
wenzelm@62631
   385
wenzelm@62631
   386
          val session_options = options ++ entry.options
wenzelm@62631
   387
wenzelm@62631
   388
          val theories =
wenzelm@65392
   389
            entry.theories.map({ case (opts, thys) => (session_options ++ opts, thys.map(_._1)) })
wenzelm@65374
   390
wenzelm@65374
   391
          val global_theories =
wenzelm@65374
   392
            for { (_, thys) <- entry.theories; (thy, global) <- thys if global }
wenzelm@65374
   393
            yield {
wenzelm@65374
   394
              val thy_name = Path.explode(thy).expand.base.implode
wenzelm@65374
   395
              if (Long_Name.is_qualified(thy_name))
wenzelm@65374
   396
                error("Bad qualified name for global theory " + quote(thy_name))
wenzelm@65374
   397
              else thy_name
wenzelm@65374
   398
            }
wenzelm@65374
   399
wenzelm@62631
   400
          val files = entry.files.map(Path.explode(_))
wenzelm@62631
   401
          val document_files =
wenzelm@62631
   402
            entry.document_files.map({ case (s1, s2) => (Path.explode(s1), Path.explode(s2)) })
wenzelm@62631
   403
wenzelm@62631
   404
          val meta_digest =
wenzelm@62631
   405
            SHA1.digest((entry_chapter, name, entry.parent, entry.options,
wenzelm@62631
   406
              entry.theories, entry.files, entry.document_files).toString)
wenzelm@62631
   407
wenzelm@62631
   408
          val info =
wenzelm@62631
   409
            Info(entry_chapter, select, entry.pos, entry.groups, dir + Path.explode(entry.path),
wenzelm@65374
   410
              entry.parent, entry.description, session_options, theories, global_theories,
wenzelm@65374
   411
              files, document_files, meta_digest)
wenzelm@62631
   412
wenzelm@62631
   413
          (name, info)
wenzelm@62631
   414
        }
wenzelm@62631
   415
        catch {
wenzelm@62631
   416
          case ERROR(msg) =>
wenzelm@62631
   417
            error(msg + "\nThe error(s) above occurred in session entry " +
wenzelm@62631
   418
              quote(entry.name) + Position.here(entry.pos))
wenzelm@62631
   419
        }
wenzelm@62631
   420
      }
wenzelm@62631
   421
wenzelm@62631
   422
      val root = dir + ROOT
wenzelm@62631
   423
      if (root.is_file) {
wenzelm@62631
   424
        val toks = Token.explode(root_syntax.keywords, File.read(root))
wenzelm@62631
   425
        val start = Token.Pos.file(root.implode)
wenzelm@62631
   426
wenzelm@62631
   427
        parse_all(rep(chapter | session_entry), Token.reader(toks, start)) match {
wenzelm@62631
   428
          case Success(result, _) =>
wenzelm@62631
   429
            var entry_chapter = "Unsorted"
wenzelm@62631
   430
            val infos = new mutable.ListBuffer[(String, Info)]
wenzelm@62631
   431
            result.foreach {
wenzelm@62631
   432
              case Chapter(name) => entry_chapter = name
wenzelm@62631
   433
              case entry: Session_Entry => infos += make_info(entry_chapter, entry)
wenzelm@62631
   434
            }
wenzelm@62631
   435
            infos.toList
wenzelm@62631
   436
          case bad => error(bad.toString)
wenzelm@62631
   437
        }
wenzelm@62631
   438
      }
wenzelm@62631
   439
      else Nil
wenzelm@62631
   440
    }
wenzelm@62631
   441
  }
wenzelm@62631
   442
wenzelm@62631
   443
wenzelm@62635
   444
  /* load sessions from certain directories */
wenzelm@62631
   445
wenzelm@62631
   446
  private def is_session_dir(dir: Path): Boolean =
wenzelm@62631
   447
    (dir + ROOT).is_file || (dir + ROOTS).is_file
wenzelm@62631
   448
wenzelm@62631
   449
  private def check_session_dir(dir: Path): Path =
wenzelm@62631
   450
    if (is_session_dir(dir)) dir
wenzelm@62631
   451
    else error("Bad session root directory: " + dir.toString)
wenzelm@62631
   452
wenzelm@62635
   453
  def load(options: Options, dirs: List[Path] = Nil, select_dirs: List[Path] = Nil): Tree =
wenzelm@62631
   454
  {
wenzelm@62635
   455
    def load_dir(select: Boolean, dir: Path): List[(String, Info)] =
wenzelm@62635
   456
      load_root(select, dir) ::: load_roots(select, dir)
wenzelm@62631
   457
wenzelm@62635
   458
    def load_root(select: Boolean, dir: Path): List[(String, Info)] =
wenzelm@62631
   459
      Parser.parse(options, select, dir)
wenzelm@62631
   460
wenzelm@62635
   461
    def load_roots(select: Boolean, dir: Path): List[(String, Info)] =
wenzelm@62631
   462
    {
wenzelm@62631
   463
      val roots = dir + ROOTS
wenzelm@62631
   464
      if (roots.is_file) {
wenzelm@62631
   465
        for {
wenzelm@62631
   466
          line <- split_lines(File.read(roots))
wenzelm@62631
   467
          if !(line == "" || line.startsWith("#"))
wenzelm@62631
   468
          dir1 =
wenzelm@62631
   469
            try { check_session_dir(dir + Path.explode(line)) }
wenzelm@62631
   470
            catch {
wenzelm@62631
   471
              case ERROR(msg) =>
wenzelm@62631
   472
                error(msg + "\nThe error(s) above occurred in session catalog " + roots.toString)
wenzelm@62631
   473
            }
wenzelm@62635
   474
          info <- load_dir(select, dir1)
wenzelm@62631
   475
        } yield info
wenzelm@62631
   476
      }
wenzelm@62631
   477
      else Nil
wenzelm@62631
   478
    }
wenzelm@62631
   479
wenzelm@62631
   480
    val default_dirs = Isabelle_System.components().filter(is_session_dir(_))
wenzelm@62631
   481
    dirs.foreach(check_session_dir(_))
wenzelm@62631
   482
    select_dirs.foreach(check_session_dir(_))
wenzelm@62631
   483
wenzelm@62631
   484
    Tree(
wenzelm@62631
   485
      for {
wenzelm@62631
   486
        (select, dir) <- (default_dirs ::: dirs).map((false, _)) ::: select_dirs.map((true, _))
wenzelm@62635
   487
        info <- load_dir(select, dir)
wenzelm@62631
   488
      } yield info)
wenzelm@62631
   489
  }
wenzelm@62632
   490
wenzelm@62632
   491
wenzelm@62637
   492
wenzelm@62704
   493
  /** heap file with SHA1 digest **/
wenzelm@62704
   494
wenzelm@62704
   495
  private val sha1_prefix = "SHA1:"
wenzelm@62704
   496
wenzelm@62704
   497
  def read_heap_digest(heap: Path): Option[String] =
wenzelm@62704
   498
  {
wenzelm@62704
   499
    if (heap.is_file) {
wenzelm@62704
   500
      val file = FileChannel.open(heap.file.toPath, StandardOpenOption.READ)
wenzelm@62704
   501
      try {
wenzelm@62704
   502
        val len = file.size
wenzelm@62704
   503
        val n = sha1_prefix.length + SHA1.digest_length
wenzelm@62704
   504
        if (len >= n) {
wenzelm@62704
   505
          file.position(len - n)
wenzelm@62704
   506
wenzelm@62704
   507
          val buf = ByteBuffer.allocate(n)
wenzelm@62704
   508
          var i = 0
wenzelm@62704
   509
          var m = 0
wenzelm@62704
   510
          do {
wenzelm@62704
   511
            m = file.read(buf)
wenzelm@62704
   512
            if (m != -1) i += m
wenzelm@62704
   513
          }
wenzelm@62704
   514
          while (m != -1 && n > i)
wenzelm@62704
   515
wenzelm@62704
   516
          if (i == n) {
wenzelm@62704
   517
            val prefix = new String(buf.array(), 0, sha1_prefix.length, UTF8.charset)
wenzelm@62704
   518
            val s = new String(buf.array(), sha1_prefix.length, SHA1.digest_length, UTF8.charset)
wenzelm@62704
   519
            if (prefix == sha1_prefix) Some(s) else None
wenzelm@62704
   520
          }
wenzelm@62704
   521
          else None
wenzelm@62704
   522
        }
wenzelm@62704
   523
        else None
wenzelm@62704
   524
      }
wenzelm@62704
   525
      finally { file.close }
wenzelm@62704
   526
    }
wenzelm@62704
   527
    else None
wenzelm@62704
   528
  }
wenzelm@62704
   529
wenzelm@62704
   530
  def write_heap_digest(heap: Path): String =
wenzelm@62704
   531
    read_heap_digest(heap) match {
wenzelm@62704
   532
      case None =>
wenzelm@62704
   533
        val s = SHA1.digest(heap).rep
wenzelm@62704
   534
        File.append(heap, sha1_prefix + s)
wenzelm@62704
   535
        s
wenzelm@62704
   536
      case Some(s) => s
wenzelm@62704
   537
    }
wenzelm@62704
   538
wenzelm@62704
   539
wenzelm@62704
   540
wenzelm@62637
   541
  /** persistent store **/
wenzelm@62632
   542
wenzelm@65296
   543
  object Session_Info
wenzelm@65296
   544
  {
wenzelm@65326
   545
    val session_name = SQL.Column.string("session_name", primary_key = true)
wenzelm@65326
   546
wenzelm@65296
   547
    // Build_Log.Session_Info
wenzelm@65296
   548
    val session_timing = SQL.Column.bytes("session_timing")
wenzelm@65296
   549
    val command_timings = SQL.Column.bytes("command_timings")
wenzelm@65296
   550
    val ml_statistics = SQL.Column.bytes("ml_statistics")
wenzelm@65296
   551
    val task_statistics = SQL.Column.bytes("task_statistics")
wenzelm@65296
   552
    val build_log_columns =
wenzelm@65296
   553
      List(session_name, session_timing, command_timings, ml_statistics, task_statistics)
wenzelm@65296
   554
wenzelm@65296
   555
    // Build.Session_Info
wenzelm@65296
   556
    val sources = SQL.Column.string("sources")
wenzelm@65296
   557
    val input_heaps = SQL.Column.string("input_heaps")
wenzelm@65296
   558
    val output_heap = SQL.Column.string("output_heap")
wenzelm@65296
   559
    val return_code = SQL.Column.int("return_code")
wenzelm@65296
   560
    val build_columns = List(sources, input_heaps, output_heap, return_code)
wenzelm@65296
   561
wenzelm@65296
   562
    val table = SQL.Table("isabelle_session_info", build_log_columns ::: build_columns)
wenzelm@65320
   563
wenzelm@65320
   564
    def where_session_name(name: String): String =
wenzelm@65322
   565
      "WHERE " + session_name.sql_name + " = " + SQL.quote_string(name)
wenzelm@65320
   566
wenzelm@65320
   567
    def select_statement(db: SQL.Database, name: String, columns: List[SQL.Column])
wenzelm@65320
   568
        : PreparedStatement =
wenzelm@65320
   569
      db.select_statement(table, columns, where_session_name(name))
wenzelm@65320
   570
wenzelm@65320
   571
    def delete_statement(db: SQL.Database, name: String): PreparedStatement =
wenzelm@65320
   572
      db.delete_statement(table, where_session_name(name))
wenzelm@65296
   573
  }
wenzelm@65296
   574
wenzelm@62632
   575
  def store(system_mode: Boolean = false): Store = new Store(system_mode)
wenzelm@62632
   576
wenzelm@63996
   577
  class Store private[Sessions](system_mode: Boolean)
wenzelm@62632
   578
  {
wenzelm@65278
   579
    /* file names */
wenzelm@65278
   580
wenzelm@65281
   581
    def database(name: String): Path = Path.basic("log") + Path.basic(name).ext("db")
wenzelm@65278
   582
    def log(name: String): Path = Path.basic("log") + Path.basic(name)
wenzelm@65278
   583
    def log_gz(name: String): Path = log(name).ext("gz")
wenzelm@65278
   584
wenzelm@65278
   585
wenzelm@65286
   586
    /* SQL database content */
wenzelm@65283
   587
wenzelm@65283
   588
    val xml_cache: XML.Cache = new XML.Cache()
wenzelm@65283
   589
wenzelm@65283
   590
    def encode_properties(ps: Properties.T): Bytes =
wenzelm@65283
   591
      Bytes(YXML.string_of_body(XML.Encode.properties(ps)))
wenzelm@65283
   592
wenzelm@65283
   593
    def decode_properties(bs: Bytes): Properties.T =
wenzelm@65283
   594
      xml_cache.props(XML.Decode.properties(YXML.parse_body(bs.text)))
wenzelm@65283
   595
wenzelm@65283
   596
    def compress_properties(ps: List[Properties.T], options: XZ.Options = XZ.options()): Bytes =
wenzelm@65283
   597
    {
wenzelm@65283
   598
      if (ps.isEmpty) Bytes.empty
wenzelm@65283
   599
      else Bytes(YXML.string_of_body(XML.Encode.list(XML.Encode.properties)(ps))).compress(options)
wenzelm@65283
   600
    }
wenzelm@65283
   601
wenzelm@65283
   602
    def uncompress_properties(bs: Bytes): List[Properties.T] =
wenzelm@65283
   603
    {
wenzelm@65283
   604
      if (bs.isEmpty) Nil
wenzelm@65283
   605
      else
wenzelm@65283
   606
        XML.Decode.list(XML.Decode.properties)(YXML.parse_body(bs.uncompress().text)).
wenzelm@65283
   607
          map(xml_cache.props(_))
wenzelm@65283
   608
    }
wenzelm@65283
   609
wenzelm@65320
   610
    def read_bytes(db: SQL.Database, name: String, column: SQL.Column): Bytes =
wenzelm@65320
   611
      using(Session_Info.select_statement(db, name, List(column)))(stmt =>
wenzelm@65291
   612
      {
wenzelm@65291
   613
        val rs = stmt.executeQuery
wenzelm@65324
   614
        if (!rs.next) Bytes.empty else db.bytes(rs, column)
wenzelm@65291
   615
      })
wenzelm@65285
   616
wenzelm@65320
   617
    def read_properties(db: SQL.Database, name: String, column: SQL.Column): List[Properties.T] =
wenzelm@65320
   618
      uncompress_properties(read_bytes(db, name, column))
wenzelm@65286
   619
wenzelm@65283
   620
wenzelm@62637
   621
    /* output */
wenzelm@62632
   622
wenzelm@62632
   623
    val browser_info: Path =
wenzelm@62632
   624
      if (system_mode) Path.explode("~~/browser_info")
wenzelm@62632
   625
      else Path.explode("$ISABELLE_BROWSER_INFO")
wenzelm@62632
   626
wenzelm@62637
   627
    val output_dir: Path =
wenzelm@62637
   628
      if (system_mode) Path.explode("~~/heaps/$ML_IDENTIFIER")
wenzelm@62637
   629
      else Path.explode("$ISABELLE_OUTPUT")
wenzelm@62637
   630
wenzelm@65298
   631
    override def toString: String = "Store(output_dir = " + output_dir.expand + ")"
wenzelm@65298
   632
wenzelm@62637
   633
    def prepare_output() { Isabelle_System.mkdirs(output_dir + Path.basic("log")) }
wenzelm@62637
   634
wenzelm@62637
   635
wenzelm@62637
   636
    /* input */
wenzelm@62637
   637
wenzelm@62637
   638
    private val input_dirs =
wenzelm@62632
   639
      if (system_mode) List(output_dir)
wenzelm@62633
   640
      else {
wenzelm@62633
   641
        val ml_ident = Path.explode("$ML_IDENTIFIER").expand
wenzelm@62633
   642
        output_dir :: Path.split(Isabelle_System.getenv_strict("ISABELLE_PATH")).map(_ + ml_ident)
wenzelm@62633
   643
      }
wenzelm@62632
   644
wenzelm@65291
   645
    def find_database_heap(name: String): Option[(Path, Option[String])] =
wenzelm@65291
   646
      input_dirs.find(dir => (dir + database(name)).is_file).map(dir =>
wenzelm@65291
   647
        (dir + database(name), read_heap_digest(dir + Path.basic(name))))
wenzelm@62632
   648
wenzelm@65281
   649
    def find_database(name: String): Option[Path] =
wenzelm@65281
   650
      input_dirs.map(_ + database(name)).find(_.is_file)
wenzelm@65281
   651
wenzelm@62637
   652
    def heap(name: String): Path =
wenzelm@65288
   653
      input_dirs.map(_ + Path.basic(name)).find(_.is_file) getOrElse
wenzelm@62637
   654
        error("Unknown logic " + quote(name) + " -- no heap file found in:\n" +
wenzelm@62769
   655
          cat_lines(input_dirs.map(dir => "  " + dir.expand.implode)))
wenzelm@65287
   656
wenzelm@65287
   657
wenzelm@65296
   658
    /* session info */
wenzelm@65281
   659
wenzelm@65296
   660
    def write_session_info(
wenzelm@65318
   661
      db: SQL.Database,
wenzelm@65320
   662
      name: String,
wenzelm@65318
   663
      build_log: Build_Log.Session_Info,
wenzelm@65318
   664
      build: Build.Session_Info)
wenzelm@65281
   665
    {
wenzelm@65281
   666
      db.transaction {
wenzelm@65296
   667
        db.create_table(Session_Info.table)
wenzelm@65320
   668
        using(Session_Info.delete_statement(db, name))(_.execute)
wenzelm@65296
   669
        using(db.insert_statement(Session_Info.table))(stmt =>
wenzelm@65281
   670
        {
wenzelm@65320
   671
          db.set_string(stmt, 1, name)
wenzelm@65296
   672
          db.set_bytes(stmt, 2, encode_properties(build_log.session_timing))
wenzelm@65296
   673
          db.set_bytes(stmt, 3, compress_properties(build_log.command_timings))
wenzelm@65296
   674
          db.set_bytes(stmt, 4, compress_properties(build_log.ml_statistics))
wenzelm@65296
   675
          db.set_bytes(stmt, 5, compress_properties(build_log.task_statistics))
wenzelm@65284
   676
          db.set_string(stmt, 6, cat_lines(build.sources))
wenzelm@65284
   677
          db.set_string(stmt, 7, cat_lines(build.input_heaps))
wenzelm@65291
   678
          db.set_string(stmt, 8, build.output_heap getOrElse "")
wenzelm@65283
   679
          db.set_int(stmt, 9, build.return_code)
wenzelm@65281
   680
          stmt.execute()
wenzelm@65281
   681
        })
wenzelm@65281
   682
      }
wenzelm@65281
   683
    }
wenzelm@65281
   684
wenzelm@65320
   685
    def read_session_timing(db: SQL.Database, name: String): Properties.T =
wenzelm@65320
   686
      decode_properties(read_bytes(db, name, Session_Info.session_timing))
wenzelm@65286
   687
wenzelm@65320
   688
    def read_command_timings(db: SQL.Database, name: String): List[Properties.T] =
wenzelm@65320
   689
      read_properties(db, name, Session_Info.command_timings)
wenzelm@65286
   690
wenzelm@65320
   691
    def read_ml_statistics(db: SQL.Database, name: String): List[Properties.T] =
wenzelm@65320
   692
      read_properties(db, name, Session_Info.ml_statistics)
wenzelm@65286
   693
wenzelm@65320
   694
    def read_task_statistics(db: SQL.Database, name: String): List[Properties.T] =
wenzelm@65320
   695
      read_properties(db, name, Session_Info.task_statistics)
wenzelm@65286
   696
wenzelm@65320
   697
    def read_build_log(db: SQL.Database, name: String,
wenzelm@65291
   698
      command_timings: Boolean = false,
wenzelm@65291
   699
      ml_statistics: Boolean = false,
wenzelm@65291
   700
      task_statistics: Boolean = false): Build_Log.Session_Info =
wenzelm@65291
   701
    {
wenzelm@65291
   702
      Build_Log.Session_Info(
wenzelm@65320
   703
        session_timing = read_session_timing(db, name),
wenzelm@65320
   704
        command_timings = if (command_timings) read_command_timings(db, name) else Nil,
wenzelm@65320
   705
        ml_statistics = if (ml_statistics) read_ml_statistics(db, name) else Nil,
wenzelm@65320
   706
        task_statistics = if (task_statistics) read_task_statistics(db, name) else Nil)
wenzelm@65291
   707
    }
wenzelm@65285
   708
wenzelm@65320
   709
    def read_build(db: SQL.Database, name: String): Option[Build.Session_Info] =
wenzelm@65320
   710
      using(Session_Info.select_statement(db, name, Session_Info.build_columns))(stmt =>
wenzelm@65285
   711
      {
wenzelm@65285
   712
        val rs = stmt.executeQuery
wenzelm@65285
   713
        if (!rs.next) None
wenzelm@65285
   714
        else {
wenzelm@65285
   715
          Some(
wenzelm@65281
   716
            Build.Session_Info(
wenzelm@65324
   717
              split_lines(db.string(rs, Session_Info.sources)),
wenzelm@65324
   718
              split_lines(db.string(rs, Session_Info.input_heaps)),
wenzelm@65324
   719
              db.string(rs, Session_Info.output_heap) match { case "" => None case s => Some(s) },
wenzelm@65324
   720
              db.int(rs, Session_Info.return_code)))
wenzelm@65281
   721
        }
wenzelm@65281
   722
      })
wenzelm@65281
   723
  }
wenzelm@62631
   724
}