src/Pure/Thy/sessions.scala
author wenzelm
Tue Oct 31 17:15:49 2017 +0100 (19 months ago)
changeset 66962 e1bde71bace6
parent 66960 d62f1f03868a
child 66963 1c3d0c12bb51
permissions -rw-r--r--
clarified signature: global_theories is always required;
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/*  Title:      Pure/Thy/sessions.scala
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    Author:     Makarius
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Cumulative session information.
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*/
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package isabelle
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import java.io.{File => JFile}
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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 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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  val DRAFT = "Draft"
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  def is_pure(name: String): Boolean = name == Thy_Header.PURE
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  object Known
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  {
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    val empty: Known = Known()
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    def make(local_dir: Path, bases: List[Base],
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      theories: List[Document.Node.Name] = Nil,
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      loaded_files: List[(String, List[Path])] = Nil): Known =
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    {
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      def bases_iterator(local: Boolean) =
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        for {
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          base <- bases.iterator
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          (_, name) <- (if (local) base.known.theories_local else base.known.theories).iterator
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        } yield name
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      def local_theories_iterator =
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      {
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        val local_path = local_dir.canonical_file.toPath
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        theories.iterator.filter(name => name.path.canonical_file.toPath.startsWith(local_path))
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      }
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      val known_theories =
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        (Map.empty[String, Document.Node.Name] /: (bases_iterator(false) ++ theories.iterator))({
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          case (known, 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 _ => known + (name.theory -> name)
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            }
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          })
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      val known_theories_local =
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        (Map.empty[String, Document.Node.Name] /:
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            (bases_iterator(true) ++ local_theories_iterator))({
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          case (known, name) => known + (name.theory -> name)
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        })
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      val known_files =
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        (Map.empty[JFile, List[Document.Node.Name]] /:
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            (bases_iterator(true) ++ bases_iterator(false) ++ theories.iterator))({
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          case (known, name) =>
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            val file = name.path.canonical_file
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            val theories1 = known.getOrElse(file, Nil)
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            if (theories1.exists(name1 => name.node == name1.node && name.theory == name1.theory))
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              known
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            else known + (file -> (name :: theories1))
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        })
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      val known_loaded_files =
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        (loaded_files.toMap /: bases.map(base => base.known.loaded_files))(_ ++ _)
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      Known(known_theories, known_theories_local,
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        known_files.iterator.map(p => (p._1, p._2.reverse)).toMap,
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        known_loaded_files)
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    }
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  }
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  sealed case class Known(
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    theories: Map[String, Document.Node.Name] = Map.empty,
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    theories_local: Map[String, Document.Node.Name] = Map.empty,
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    files: Map[JFile, List[Document.Node.Name]] = Map.empty,
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    loaded_files: Map[String, List[Path]] = Map.empty)
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  {
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    def platform_path: Known =
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      copy(theories = for ((a, b) <- theories) yield (a, b.map(File.platform_path(_))),
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        theories_local = for ((a, b) <- theories_local) yield (a, b.map(File.platform_path(_))),
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        files = for ((a, b) <- files) yield (a, b.map(c => c.map(File.platform_path(_)))))
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    def standard_path: Known =
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      copy(theories = for ((a, b) <- theories) yield (a, b.map(File.standard_path(_))),
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        theories_local = for ((a, b) <- theories_local) yield (a, b.map(File.standard_path(_))),
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        files = for ((a, b) <- files) yield (a, b.map(c => c.map(File.standard_path(_)))))
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    def get_file(file: JFile, bootstrap: Boolean = false): Option[Document.Node.Name] =
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    {
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      val res = files.getOrElse(File.canonical(file), Nil).headOption
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      if (bootstrap) res.map(_.map_theory(Thy_Header.bootstrap_name(_))) else res
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    }
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  }
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  object Base
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  {
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    def bootstrap(global_theories: Map[String, String]): Base =
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      Base(
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        global_theories = global_theories,
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        overall_syntax = Thy_Header.bootstrap_syntax)
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  }
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  sealed case class Base(
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    pos: Position.T = Position.none,
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    global_theories: Map[String, String] = Map.empty,
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    loaded_theories: Graph[String, Outer_Syntax] = Graph.string,
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    known: Known = Known.empty,
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    overall_syntax: Outer_Syntax = Outer_Syntax.empty,
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    imported_sources: List[(Path, SHA1.Digest)] = Nil,
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    sources: List[(Path, SHA1.Digest)] = Nil,
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    session_graph_display: Graph_Display.Graph = Graph_Display.empty_graph,
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    errors: List[String] = Nil,
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    imports: Option[Base] = None)
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  {
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    def platform_path: Base = copy(known = known.platform_path)
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    def standard_path: Base = copy(known = known.standard_path)
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    def loaded_theory(name: String): Boolean = loaded_theories.defined(name)
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    def loaded_theory(name: Document.Node.Name): Boolean = loaded_theory(name.theory)
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    def loaded_theory_syntax(name: String): Option[Outer_Syntax] =
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      if (loaded_theory(name)) Some(loaded_theories.get_node(name)) else None
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    def loaded_theory_syntax(name: Document.Node.Name): Option[Outer_Syntax] =
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      loaded_theory_syntax(name.theory)
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    def node_syntax(nodes: Document.Nodes, name: Document.Node.Name): Outer_Syntax =
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      nodes(name).syntax orElse loaded_theory_syntax(name) getOrElse overall_syntax
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    def known_theory(name: String): Option[Document.Node.Name] =
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      known.theories.get(name)
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    def dest_known_theories: List[(String, String)] =
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      for ((theory, node_name) <- known.theories.toList)
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        yield (theory, node_name.node)
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    def get_imports: Base = imports getOrElse Base.bootstrap(global_theories)
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  }
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  sealed case class Deps(session_bases: Map[String, Base], all_known: Known)
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  {
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    def is_empty: Boolean = session_bases.isEmpty
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    def apply(name: String): Base = session_bases(name)
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    def imported_sources(name: String): List[SHA1.Digest] =
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      session_bases(name).imported_sources.map(_._2)
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    def sources(name: String): List[SHA1.Digest] =
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      session_bases(name).sources.map(_._2)
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    def errors: List[String] =
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      (for {
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        (name, base) <- session_bases.iterator
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        if base.errors.nonEmpty
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      } yield cat_lines(base.errors) +
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          "\nThe error(s) above occurred in session " + quote(name) + Position.here(base.pos)
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      ).toList
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    def check_errors: Deps =
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      errors match {
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        case Nil => this
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        case errs => error(cat_lines(errs))
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      }
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  }
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  def deps(sessions: T,
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      global_theories: Map[String, String],
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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): Deps =
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  {
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    var cache_sources = Map.empty[JFile, SHA1.Digest]
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    def check_sources(paths: List[Path]): List[(Path, SHA1.Digest)] =
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    {
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      for {
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        path <- paths
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        file = path.file
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        if cache_sources.isDefinedAt(file) || file.isFile
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      }
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      yield {
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        cache_sources.get(file) match {
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          case Some(digest) => (path, digest)
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          case None =>
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            val digest = SHA1.digest(file)
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            cache_sources = cache_sources + (file -> digest)
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            (path, digest)
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        }
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      }
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    }
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    val session_bases =
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      (Map.empty[String, Base] /: sessions.imports_topological_order)({
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        case (session_bases, info) =>
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          if (progress.stopped) throw Exn.Interrupt()
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          try {
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            val parent_base: Sessions.Base =
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              info.parent match {
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                case None => Base.bootstrap(global_theories)
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                case Some(parent) => session_bases(parent)
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              }
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            val imports_base: Sessions.Base =
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              parent_base.copy(known =
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                Known.make(info.dir, parent_base :: info.imports.map(session_bases(_))))
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            val resources = new Resources(imports_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 + "/" + info.name + groups)
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            }
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            val thy_deps =
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              resources.dependencies(
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                for { (_, thys) <- info.theories; (thy, pos) <- thys }
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                yield (resources.import_name(info.name, info.dir.implode, thy), pos))
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            val overall_syntax = thy_deps.overall_syntax
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            val theory_files = thy_deps.names.map(_.path)
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            val loaded_files =
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              if (inlined_files) {
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                if (Sessions.is_pure(info.name)) {
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                  (Thy_Header.PURE -> resources.pure_files(overall_syntax, info.dir)) ::
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                    thy_deps.loaded_files.filterNot(p => p._1 == Thy_Header.PURE)
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                }
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                else thy_deps.loaded_files
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              }
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              else Nil
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            val session_files =
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              (theory_files ::: loaded_files.flatMap(_._2) :::
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                info.document_files.map(file => info.dir + file._1 + file._2)).map(_.expand)
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            val imported_files = if (inlined_files) thy_deps.imported_files else Nil
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            if (list_files)
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              progress.echo(cat_lines(session_files.map(_.implode).sorted.map("  " + _)))
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            if (check_keywords.nonEmpty) {
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              Check_Keywords.check_keywords(
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                progress, overall_syntax.keywords, check_keywords, theory_files)
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            }
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            val session_graph_display: Graph_Display.Graph =
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            {
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              def session_node(name: String): Graph_Display.Node =
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                Graph_Display.Node("[" + name + "]", "session." + name)
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              def node(name: Document.Node.Name): Graph_Display.Node =
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              {
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                val qualifier = resources.theory_qualifier(name)
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                if (qualifier == info.name)
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                  Graph_Display.Node(name.theory_base_name, "theory." + name.theory)
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                else session_node(qualifier)
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              }
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              val imports_subgraph =
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                sessions.imports_graph.restrict(sessions.imports_graph.all_preds(info.deps).toSet)
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              val graph0 =
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                (Graph_Display.empty_graph /: imports_subgraph.topological_order)(
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                  { case (g, session) =>
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                      val a = session_node(session)
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                      val bs = imports_subgraph.imm_preds(session).toList.map(session_node(_))
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                      ((g /: (a :: bs))(_.default_node(_, Nil)) /: bs)(_.add_edge(_, a)) })
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              (graph0 /: thy_deps.entries)(
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                { case (g, entry) =>
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                    val a = node(entry.name)
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                    val bs =
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                      entry.header.imports.map({ case (name, _) => node(name) }).
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                        filterNot(_ == a)
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                    ((g /: (a :: bs))(_.default_node(_, Nil)) /: bs)(_.add_edge(_, a)) })
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            }
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            val known =
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              Known.make(info.dir, List(imports_base),
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                theories = thy_deps.names,
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                loaded_files = loaded_files)
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            val sources_errors =
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              for (p <- session_files if !p.is_file) yield "No such file: " + p
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            val base =
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              Base(
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                pos = info.pos,
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                global_theories = global_theories,
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                loaded_theories = thy_deps.loaded_theories,
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                known = known,
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                overall_syntax = overall_syntax,
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                imported_sources = check_sources(imported_files),
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                sources = check_sources(session_files),
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                session_graph_display = session_graph_display,
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                errors = thy_deps.errors ::: sources_errors,
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                imports = Some(imports_base))
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            session_bases + (info.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(info.name) + Position.here(info.pos))
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          }
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      })
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    Deps(session_bases, Known.make(Path.current, session_bases.toList.map(_._2)))
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  }
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  def session_base_errors(
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    options: Options,
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    session: String,
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    dirs: List[Path] = Nil,
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    inlined_files: Boolean = false,
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    all_known: Boolean = false): (List[String], Base) =
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  {
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    val full_sessions = load(options, dirs = dirs)
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    val global_theories = full_sessions.global_theories
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    val (_, selected_sessions) = full_sessions.selection(Selection(sessions = List(session)))
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    val sessions: T = if (all_known) full_sessions else selected_sessions
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    val deps = Sessions.deps(sessions, global_theories, inlined_files = inlined_files)
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    val base = if (all_known) deps(session).copy(known = deps.all_known) else deps(session)
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    (deps.errors, base)
wenzelm@66571
   336
  }
wenzelm@66571
   337
wenzelm@66571
   338
  def session_base(
wenzelm@66571
   339
    options: Options,
wenzelm@66571
   340
    session: String,
wenzelm@66571
   341
    dirs: List[Path] = Nil,
wenzelm@66701
   342
    inlined_files: Boolean = false,
wenzelm@66571
   343
    all_known: Boolean = false): Base =
wenzelm@66571
   344
  {
wenzelm@66701
   345
    val (errs, base) =
wenzelm@66701
   346
      session_base_errors(options, session, dirs = dirs,
wenzelm@66701
   347
        inlined_files = inlined_files, all_known = all_known)
wenzelm@66573
   348
    if (errs.isEmpty) base else error(cat_lines(errs))
wenzelm@65251
   349
  }
wenzelm@65251
   350
wenzelm@65251
   351
wenzelm@65415
   352
  /* cumulative session info */
wenzelm@62631
   353
wenzelm@62631
   354
  sealed case class Info(
wenzelm@65519
   355
    name: String,
wenzelm@62631
   356
    chapter: String,
wenzelm@66829
   357
    dir_selected: Boolean,
wenzelm@62631
   358
    pos: Position.T,
wenzelm@62631
   359
    groups: List[String],
wenzelm@62631
   360
    dir: Path,
wenzelm@62631
   361
    parent: Option[String],
wenzelm@62631
   362
    description: String,
wenzelm@62631
   363
    options: Options,
wenzelm@65420
   364
    imports: List[String],
wenzelm@65517
   365
    theories: List[(Options, List[(String, Position.T)])],
wenzelm@65374
   366
    global_theories: List[String],
wenzelm@62631
   367
    document_files: List[(Path, Path)],
wenzelm@62631
   368
    meta_digest: SHA1.Digest)
wenzelm@62631
   369
  {
wenzelm@66828
   370
    def deps: List[String] = parent.toList ::: imports
wenzelm@66828
   371
wenzelm@62631
   372
    def timeout: Time = Time.seconds(options.real("timeout") * options.real("timeout_scale"))
wenzelm@62631
   373
  }
wenzelm@62631
   374
wenzelm@65419
   375
  object Selection
wenzelm@65419
   376
  {
wenzelm@65422
   377
    val empty: Selection = Selection()
wenzelm@65525
   378
    val all: Selection = Selection(all_sessions = true)
wenzelm@65419
   379
  }
wenzelm@65419
   380
wenzelm@65419
   381
  sealed case class Selection(
wenzelm@65419
   382
    requirements: Boolean = false,
wenzelm@65419
   383
    all_sessions: Boolean = false,
wenzelm@66737
   384
    base_sessions: List[String] = Nil,
wenzelm@65419
   385
    exclude_session_groups: List[String] = Nil,
wenzelm@65419
   386
    exclude_sessions: List[String] = Nil,
wenzelm@65419
   387
    session_groups: List[String] = Nil,
wenzelm@65419
   388
    sessions: List[String] = Nil)
wenzelm@65419
   389
  {
wenzelm@66736
   390
    def ++ (other: Selection): Selection =
wenzelm@65422
   391
      Selection(
wenzelm@65422
   392
        requirements = requirements || other.requirements,
wenzelm@65422
   393
        all_sessions = all_sessions || other.all_sessions,
wenzelm@66737
   394
        base_sessions = Library.merge(base_sessions, other.base_sessions),
wenzelm@66736
   395
        exclude_session_groups = Library.merge(exclude_session_groups, other.exclude_session_groups),
wenzelm@66736
   396
        exclude_sessions = Library.merge(exclude_sessions, other.exclude_sessions),
wenzelm@66736
   397
        session_groups = Library.merge(session_groups, other.session_groups),
wenzelm@66736
   398
        sessions = Library.merge(sessions, other.sessions))
wenzelm@65422
   399
wenzelm@65419
   400
    def apply(graph: Graph[String, Info]): (List[String], Graph[String, Info]) =
wenzelm@65419
   401
    {
wenzelm@65419
   402
      val bad_sessions =
wenzelm@66737
   403
        SortedSet((base_sessions ::: exclude_sessions ::: sessions).
wenzelm@66737
   404
          filterNot(graph.defined(_)): _*).toList
wenzelm@66737
   405
      if (bad_sessions.nonEmpty)
wenzelm@66737
   406
        error("Undefined session(s): " + commas_quote(bad_sessions))
wenzelm@65419
   407
wenzelm@65419
   408
      val excluded =
wenzelm@65419
   409
      {
wenzelm@65419
   410
        val exclude_group = exclude_session_groups.toSet
wenzelm@65419
   411
        val exclude_group_sessions =
wenzelm@65419
   412
          (for {
wenzelm@65419
   413
            (name, (info, _)) <- graph.iterator
wenzelm@65419
   414
            if graph.get_node(name).groups.exists(exclude_group)
wenzelm@65419
   415
          } yield name).toList
wenzelm@65419
   416
        graph.all_succs(exclude_group_sessions ::: exclude_sessions).toSet
wenzelm@65419
   417
      }
wenzelm@65419
   418
wenzelm@65419
   419
      val pre_selected =
wenzelm@65419
   420
      {
wenzelm@65419
   421
        if (all_sessions) graph.keys
wenzelm@65419
   422
        else {
wenzelm@65419
   423
          val select_group = session_groups.toSet
wenzelm@66737
   424
          val select = sessions.toSet ++ graph.all_succs(base_sessions)
wenzelm@65419
   425
          (for {
wenzelm@65419
   426
            (name, (info, _)) <- graph.iterator
wenzelm@66829
   427
            if info.dir_selected || select(name) || graph.get_node(name).groups.exists(select_group)
wenzelm@65419
   428
          } yield name).toList
wenzelm@65419
   429
        }
wenzelm@65419
   430
      }.filterNot(excluded)
wenzelm@65419
   431
wenzelm@65419
   432
      val selected =
wenzelm@65419
   433
        if (requirements) (graph.all_preds(pre_selected).toSet -- pre_selected).toList
wenzelm@65419
   434
        else pre_selected
wenzelm@65419
   435
wenzelm@65419
   436
      (selected, graph.restrict(graph.all_preds(selected).toSet))
wenzelm@65419
   437
    }
wenzelm@65419
   438
  }
wenzelm@65419
   439
wenzelm@66960
   440
  def make(infos: List[Info]): T =
wenzelm@62631
   441
  {
wenzelm@65420
   442
    def add_edges(graph: Graph[String, Info], kind: String, edges: Info => Traversable[String])
wenzelm@65420
   443
      : Graph[String, Info] =
wenzelm@65420
   444
    {
wenzelm@65420
   445
      def add_edge(pos: Position.T, name: String, g: Graph[String, Info], parent: String) =
wenzelm@65420
   446
      {
wenzelm@65420
   447
        if (!g.defined(parent))
wenzelm@65420
   448
          error("Bad " + kind + " session " + quote(parent) + " for " +
wenzelm@65420
   449
            quote(name) + Position.here(pos))
wenzelm@65420
   450
wenzelm@65420
   451
        try { g.add_edge_acyclic(parent, name) }
wenzelm@65420
   452
        catch {
wenzelm@65420
   453
          case exn: Graph.Cycles[_] =>
wenzelm@65420
   454
            error(cat_lines(exn.cycles.map(cycle =>
wenzelm@65420
   455
              "Cyclic session dependency of " +
wenzelm@65420
   456
                cycle.map(c => quote(c.toString)).mkString(" via "))) + Position.here(pos))
wenzelm@65420
   457
        }
wenzelm@65420
   458
      }
wenzelm@65420
   459
      (graph /: graph.iterator) {
wenzelm@65420
   460
        case (g, (name, (info, _))) => (g /: edges(info))(add_edge(info.pos, name, _, _))
wenzelm@65420
   461
      }
wenzelm@65420
   462
    }
wenzelm@65420
   463
wenzelm@65420
   464
    val graph0 =
wenzelm@65415
   465
      (Graph.string[Info] /: infos) {
wenzelm@66960
   466
        case (graph, info) =>
wenzelm@66960
   467
          if (graph.defined(info.name))
wenzelm@66960
   468
            error("Duplicate session " + quote(info.name) + Position.here(info.pos) +
wenzelm@66960
   469
              Position.here(graph.get_node(info.name).pos))
wenzelm@66960
   470
          else graph.new_node(info.name, info)
wenzelm@65415
   471
      }
wenzelm@65420
   472
    val graph1 = add_edges(graph0, "parent", _.parent)
wenzelm@65420
   473
    val graph2 = add_edges(graph1, "imports", _.imports)
wenzelm@62631
   474
wenzelm@65420
   475
    new T(graph1, graph2)
wenzelm@62631
   476
  }
wenzelm@62631
   477
wenzelm@65420
   478
  final class T private[Sessions](
wenzelm@65420
   479
      val build_graph: Graph[String, Info],
wenzelm@65420
   480
      val imports_graph: Graph[String, Info])
wenzelm@62631
   481
  {
wenzelm@66823
   482
    def build_graph_display: Graph_Display.Graph = Graph_Display.make_graph(build_graph)
wenzelm@66823
   483
    def imports_graph_display: Graph_Display.Graph = Graph_Display.make_graph(imports_graph)
wenzelm@66823
   484
wenzelm@65420
   485
    def apply(name: String): Info = imports_graph.get_node(name)
wenzelm@65420
   486
    def get(name: String): Option[Info] =
wenzelm@65420
   487
      if (imports_graph.defined(name)) Some(imports_graph.get_node(name)) else None
wenzelm@62631
   488
wenzelm@65457
   489
    def global_theories: Map[String, String] =
wenzelm@65490
   490
      (Thy_Header.bootstrap_global_theories.toMap /:
wenzelm@65424
   491
        (for {
wenzelm@65519
   492
          (_, (info, _)) <- imports_graph.iterator
wenzelm@65519
   493
          thy <- info.global_theories.iterator }
wenzelm@65519
   494
         yield (thy, info)))({
wenzelm@65519
   495
            case (global, (thy, info)) =>
wenzelm@66780
   496
              val qualifier = info.name
wenzelm@65457
   497
              global.get(thy) match {
wenzelm@65457
   498
                case Some(qualifier1) if qualifier != qualifier1 =>
wenzelm@65457
   499
                  error("Duplicate global theory " + quote(thy) + Position.here(info.pos))
wenzelm@65457
   500
                case _ => global + (thy -> qualifier)
wenzelm@65457
   501
              }
wenzelm@65457
   502
          })
wenzelm@65372
   503
wenzelm@65419
   504
    def selection(select: Selection): (List[String], T) =
wenzelm@62631
   505
    {
wenzelm@65420
   506
      val (_, build_graph1) = select(build_graph)
wenzelm@65420
   507
      val (selected, imports_graph1) = select(imports_graph)
wenzelm@65420
   508
      (selected, new T(build_graph1, imports_graph1))
wenzelm@62631
   509
    }
wenzelm@62631
   510
wenzelm@65420
   511
    def build_descendants(names: List[String]): List[String] =
wenzelm@65420
   512
      build_graph.all_succs(names)
wenzelm@66848
   513
    def build_requirements(names: List[String]): List[String] =
wenzelm@66848
   514
      build_graph.all_preds(names).reverse
wenzelm@65519
   515
    def build_topological_order: List[Info] =
wenzelm@65519
   516
      build_graph.topological_order.map(apply(_))
wenzelm@62631
   517
wenzelm@66848
   518
    def imports_descendants(names: List[String]): List[String] =
wenzelm@66848
   519
      imports_graph.all_succs(names)
wenzelm@66848
   520
    def imports_requirements(names: List[String]): List[String] =
wenzelm@66848
   521
      imports_graph.all_preds(names).reverse
wenzelm@65519
   522
    def imports_topological_order: List[Info] =
wenzelm@65519
   523
      imports_graph.topological_order.map(apply(_))
wenzelm@65420
   524
wenzelm@65420
   525
    override def toString: String =
wenzelm@65420
   526
      imports_graph.keys_iterator.mkString("Sessions.T(", ", ", ")")
wenzelm@62631
   527
  }
wenzelm@62631
   528
wenzelm@62631
   529
wenzelm@62631
   530
  /* parser */
wenzelm@62631
   531
wenzelm@62864
   532
  val ROOT = Path.explode("ROOT")
wenzelm@62864
   533
  val ROOTS = Path.explode("ROOTS")
wenzelm@62864
   534
wenzelm@62631
   535
  private val CHAPTER = "chapter"
wenzelm@62631
   536
  private val SESSION = "session"
wenzelm@62631
   537
  private val IN = "in"
wenzelm@62631
   538
  private val DESCRIPTION = "description"
wenzelm@62631
   539
  private val OPTIONS = "options"
wenzelm@65420
   540
  private val SESSIONS = "sessions"
wenzelm@62631
   541
  private val THEORIES = "theories"
wenzelm@65374
   542
  private val GLOBAL = "global"
wenzelm@62631
   543
  private val DOCUMENT_FILES = "document_files"
wenzelm@62631
   544
wenzelm@62631
   545
  lazy val root_syntax =
wenzelm@65374
   546
    Outer_Syntax.init() + "(" + ")" + "+" + "," + "=" + "[" + "]" + GLOBAL + IN +
wenzelm@63443
   547
      (CHAPTER, Keyword.THY_DECL) +
wenzelm@63443
   548
      (SESSION, Keyword.THY_DECL) +
wenzelm@63443
   549
      (DESCRIPTION, Keyword.QUASI_COMMAND) +
wenzelm@63443
   550
      (OPTIONS, Keyword.QUASI_COMMAND) +
wenzelm@65420
   551
      (SESSIONS, Keyword.QUASI_COMMAND) +
wenzelm@63443
   552
      (THEORIES, Keyword.QUASI_COMMAND) +
wenzelm@63443
   553
      (DOCUMENT_FILES, Keyword.QUASI_COMMAND)
wenzelm@62631
   554
wenzelm@66818
   555
  abstract class Entry
wenzelm@66818
   556
  sealed case class Chapter(name: String) extends Entry
wenzelm@66818
   557
  sealed case class Session_Entry(
wenzelm@66818
   558
    pos: Position.T,
wenzelm@66818
   559
    name: String,
wenzelm@66818
   560
    groups: List[String],
wenzelm@66818
   561
    path: String,
wenzelm@66818
   562
    parent: Option[String],
wenzelm@66818
   563
    description: String,
wenzelm@66818
   564
    options: List[Options.Spec],
wenzelm@66818
   565
    imports: List[String],
wenzelm@66818
   566
    theories: List[(List[Options.Spec], List[((String, Position.T), Boolean)])],
wenzelm@66818
   567
    document_files: List[(String, String)]) extends Entry
wenzelm@66818
   568
  {
wenzelm@66818
   569
    def theories_no_position: List[(List[Options.Spec], List[(String, Boolean)])] =
wenzelm@66818
   570
      theories.map({ case (a, b) => (a, b.map({ case ((c, _), d) => (c, d) })) })
wenzelm@66818
   571
  }
wenzelm@66818
   572
wenzelm@62968
   573
  private object Parser extends Parse.Parser with Options.Parser
wenzelm@62631
   574
  {
wenzelm@62631
   575
    private val chapter: Parser[Chapter] =
wenzelm@62631
   576
    {
wenzelm@62631
   577
      val chapter_name = atom("chapter name", _.is_name)
wenzelm@62631
   578
wenzelm@62631
   579
      command(CHAPTER) ~! chapter_name ^^ { case _ ~ a => Chapter(a) }
wenzelm@62631
   580
    }
wenzelm@62631
   581
wenzelm@62631
   582
    private val session_entry: Parser[Session_Entry] =
wenzelm@62631
   583
    {
wenzelm@62631
   584
      val option =
wenzelm@62968
   585
        option_name ~ opt($$$("=") ~! option_value ^^
wenzelm@62968
   586
          { case _ ~ x => x }) ^^ { case x ~ y => (x, y) }
wenzelm@62631
   587
      val options = $$$("[") ~> rep1sep(option, $$$(",")) <~ $$$("]")
wenzelm@62631
   588
wenzelm@65374
   589
      val global =
wenzelm@65374
   590
        ($$$("(") ~! $$$(GLOBAL) ~ $$$(")")) ^^ { case _ => true } | success(false)
wenzelm@65374
   591
wenzelm@65374
   592
      val theory_entry =
wenzelm@65517
   593
        position(theory_name) ~ global ^^ { case x ~ y => (x, y) }
wenzelm@65374
   594
wenzelm@62631
   595
      val theories =
wenzelm@65374
   596
        $$$(THEORIES) ~!
wenzelm@65374
   597
          ((options | success(Nil)) ~ rep(theory_entry)) ^^
wenzelm@65374
   598
          { case _ ~ (x ~ y) => (x, y) }
wenzelm@62631
   599
wenzelm@62631
   600
      val document_files =
wenzelm@62631
   601
        $$$(DOCUMENT_FILES) ~!
wenzelm@62631
   602
          (($$$("(") ~! ($$$(IN) ~! (path ~ $$$(")"))) ^^
wenzelm@62631
   603
              { case _ ~ (_ ~ (x ~ _)) => x } | success("document")) ~
wenzelm@62631
   604
            rep1(path)) ^^ { case _ ~ (x ~ y) => y.map((x, _)) }
wenzelm@62631
   605
wenzelm@62631
   606
      command(SESSION) ~!
wenzelm@62631
   607
        (position(session_name) ~
wenzelm@62631
   608
          (($$$("(") ~! (rep1(name) <~ $$$(")")) ^^ { case _ ~ x => x }) | success(Nil)) ~
wenzelm@62631
   609
          (($$$(IN) ~! path ^^ { case _ ~ x => x }) | success(".")) ~
wenzelm@62631
   610
          ($$$("=") ~!
wenzelm@62631
   611
            (opt(session_name ~! $$$("+") ^^ { case x ~ _ => x }) ~
wenzelm@62631
   612
              (($$$(DESCRIPTION) ~! text ^^ { case _ ~ x => x }) | success("")) ~
wenzelm@62631
   613
              (($$$(OPTIONS) ~! options ^^ { case _ ~ x => x }) | success(Nil)) ~
wenzelm@65420
   614
              (($$$(SESSIONS) ~! rep(session_name)  ^^ { case _ ~ x => x }) | success(Nil)) ~
wenzelm@62631
   615
              rep1(theories) ~
wenzelm@62631
   616
              (rep(document_files) ^^ (x => x.flatten))))) ^^
wenzelm@66759
   617
        { case _ ~ ((a, pos) ~ b ~ c ~ (_ ~ (d ~ e ~ f ~ g ~ h ~ i))) =>
wenzelm@66759
   618
            Session_Entry(pos, a, b, c, d, e, f, g, h, i) }
wenzelm@62631
   619
    }
wenzelm@62631
   620
wenzelm@66819
   621
    def parse_root(path: Path): List[Entry] =
wenzelm@62631
   622
    {
wenzelm@66764
   623
      val toks = Token.explode(root_syntax.keywords, File.read(path))
wenzelm@66764
   624
      val start = Token.Pos.file(path.implode)
wenzelm@62631
   625
wenzelm@66764
   626
      parse_all(rep(chapter | session_entry), Token.reader(toks, start)) match {
wenzelm@66818
   627
        case Success(result, _) => result
wenzelm@66764
   628
        case bad => error(bad.toString)
wenzelm@62631
   629
      }
wenzelm@62631
   630
    }
wenzelm@62631
   631
  }
wenzelm@62631
   632
wenzelm@66819
   633
  def parse_root(path: Path): List[Entry] = Parser.parse_root(path)
wenzelm@66819
   634
wenzelm@66819
   635
  def parse_root_entries(path: Path): List[Session_Entry] =
wenzelm@66819
   636
    for (entry <- Parser.parse_root(path) if entry.isInstanceOf[Session_Entry])
wenzelm@66819
   637
    yield entry.asInstanceOf[Session_Entry]
wenzelm@66818
   638
wenzelm@66960
   639
  def read_root(options: Options, select: Boolean, path: Path): List[Info] =
wenzelm@66818
   640
  {
wenzelm@66960
   641
    def make_info(entry_chapter: String, entry: Session_Entry): Info =
wenzelm@66818
   642
    {
wenzelm@66818
   643
      try {
wenzelm@66818
   644
        val name = entry.name
wenzelm@66818
   645
wenzelm@66818
   646
        if (name == "" || name == DRAFT) error("Bad session name")
wenzelm@66818
   647
        if (is_pure(name) && entry.parent.isDefined) error("Illegal parent session")
wenzelm@66818
   648
        if (!is_pure(name) && !entry.parent.isDefined) error("Missing parent session")
wenzelm@66818
   649
wenzelm@66818
   650
        val session_options = options ++ entry.options
wenzelm@66818
   651
wenzelm@66818
   652
        val theories =
wenzelm@66818
   653
          entry.theories.map({ case (opts, thys) => (session_options ++ opts, thys.map(_._1)) })
wenzelm@66818
   654
wenzelm@66818
   655
        val global_theories =
wenzelm@66818
   656
          for { (_, thys) <- entry.theories; ((thy, pos), global) <- thys if global }
wenzelm@66818
   657
          yield {
wenzelm@66818
   658
            val thy_name = Path.explode(thy).expand.base_name
wenzelm@66818
   659
            if (Long_Name.is_qualified(thy_name))
wenzelm@66818
   660
              error("Bad qualified name for global theory " +
wenzelm@66818
   661
                quote(thy_name) + Position.here(pos))
wenzelm@66818
   662
            else thy_name
wenzelm@66818
   663
          }
wenzelm@66818
   664
wenzelm@66843
   665
        val conditions =
wenzelm@66843
   666
          theories.flatMap(thys => space_explode(',', thys._1.string("condition"))).distinct.sorted.
wenzelm@66843
   667
            map(x => (x, Isabelle_System.getenv(x) != ""))
wenzelm@66843
   668
wenzelm@66818
   669
        val document_files =
wenzelm@66818
   670
          entry.document_files.map({ case (s1, s2) => (Path.explode(s1), Path.explode(s2)) })
wenzelm@66818
   671
wenzelm@66818
   672
        val meta_digest =
wenzelm@66818
   673
          SHA1.digest((entry_chapter, name, entry.parent, entry.options, entry.imports,
wenzelm@66843
   674
            entry.theories_no_position, conditions, entry.document_files).toString)
wenzelm@66818
   675
wenzelm@66960
   676
        Info(name, entry_chapter, select, entry.pos, entry.groups,
wenzelm@66960
   677
          path.dir + Path.explode(entry.path), entry.parent, entry.description, session_options,
wenzelm@66960
   678
          entry.imports, theories, global_theories, document_files, meta_digest)
wenzelm@66818
   679
      }
wenzelm@66818
   680
      catch {
wenzelm@66818
   681
        case ERROR(msg) =>
wenzelm@66818
   682
          error(msg + "\nThe error(s) above occurred in session entry " +
wenzelm@66818
   683
            quote(entry.name) + Position.here(entry.pos))
wenzelm@66818
   684
      }
wenzelm@66818
   685
    }
wenzelm@66818
   686
wenzelm@66818
   687
    var entry_chapter = "Unsorted"
wenzelm@66960
   688
    val infos = new mutable.ListBuffer[Info]
wenzelm@66819
   689
    parse_root(path).foreach {
wenzelm@66818
   690
      case Chapter(name) => entry_chapter = name
wenzelm@66818
   691
      case entry: Session_Entry => infos += make_info(entry_chapter, entry)
wenzelm@66818
   692
    }
wenzelm@66818
   693
    infos.toList
wenzelm@66818
   694
  }
wenzelm@66818
   695
wenzelm@66818
   696
  def parse_roots(roots: Path): List[String] =
wenzelm@66818
   697
  {
wenzelm@66818
   698
    for {
wenzelm@66818
   699
      line <- split_lines(File.read(roots))
wenzelm@66818
   700
      if !(line == "" || line.startsWith("#"))
wenzelm@66818
   701
    } yield line
wenzelm@66818
   702
  }
wenzelm@66818
   703
wenzelm@62631
   704
wenzelm@62635
   705
  /* load sessions from certain directories */
wenzelm@62631
   706
wenzelm@62631
   707
  private def is_session_dir(dir: Path): Boolean =
wenzelm@62631
   708
    (dir + ROOT).is_file || (dir + ROOTS).is_file
wenzelm@62631
   709
wenzelm@62631
   710
  private def check_session_dir(dir: Path): Path =
wenzelm@65468
   711
    if (is_session_dir(dir)) File.pwd() + dir.expand
wenzelm@62631
   712
    else error("Bad session root directory: " + dir.toString)
wenzelm@62631
   713
wenzelm@65561
   714
  def directories(dirs: List[Path], select_dirs: List[Path]): List[(Boolean, Path)] =
wenzelm@65561
   715
  {
wenzelm@65561
   716
    val default_dirs = Isabelle_System.components().filter(is_session_dir(_))
wenzelm@65561
   717
    (default_dirs ::: dirs).map((false, _)) ::: select_dirs.map((true, _))
wenzelm@65561
   718
  }
wenzelm@65561
   719
wenzelm@65415
   720
  def load(options: Options, dirs: List[Path] = Nil, select_dirs: List[Path] = Nil): T =
wenzelm@62631
   721
  {
wenzelm@66764
   722
    def load_dir(select: Boolean, dir: Path): List[(Boolean, Path)] =
wenzelm@62635
   723
      load_root(select, dir) ::: load_roots(select, dir)
wenzelm@62631
   724
wenzelm@66764
   725
    def load_root(select: Boolean, dir: Path): List[(Boolean, Path)] =
wenzelm@66764
   726
    {
wenzelm@66764
   727
      val root = dir + ROOT
wenzelm@66764
   728
      if (root.is_file) List((select, root)) else Nil
wenzelm@66764
   729
    }
wenzelm@62631
   730
wenzelm@66764
   731
    def load_roots(select: Boolean, dir: Path): List[(Boolean, Path)] =
wenzelm@62631
   732
    {
wenzelm@62631
   733
      val roots = dir + ROOTS
wenzelm@62631
   734
      if (roots.is_file) {
wenzelm@62631
   735
        for {
wenzelm@66818
   736
          entry <- parse_roots(roots)
wenzelm@62631
   737
          dir1 =
wenzelm@66818
   738
            try { check_session_dir(dir + Path.explode(entry)) }
wenzelm@62631
   739
            catch {
wenzelm@62631
   740
              case ERROR(msg) =>
wenzelm@62631
   741
                error(msg + "\nThe error(s) above occurred in session catalog " + roots.toString)
wenzelm@62631
   742
            }
wenzelm@66764
   743
          res <- load_dir(select, dir1)
wenzelm@66764
   744
        } yield res
wenzelm@62631
   745
      }
wenzelm@62631
   746
      else Nil
wenzelm@62631
   747
    }
wenzelm@62631
   748
wenzelm@66764
   749
    val roots =
wenzelm@62631
   750
      for {
wenzelm@65561
   751
        (select, dir) <- directories(dirs, select_dirs)
wenzelm@66764
   752
        res <- load_dir(select, check_session_dir(dir))
wenzelm@66764
   753
      } yield res
wenzelm@66764
   754
wenzelm@66764
   755
    val unique_roots =
wenzelm@66764
   756
      ((Map.empty[JFile, (Boolean, Path)] /: roots) { case (m, (select, path)) =>
wenzelm@66764
   757
        val file = path.canonical_file
wenzelm@66764
   758
        m.get(file) match {
wenzelm@66764
   759
          case None => m + (file -> (select, path))
wenzelm@66764
   760
          case Some((select1, path1)) => m + (file -> (select1 || select, path1))
wenzelm@66764
   761
        }
wenzelm@66764
   762
      }).toList.map(_._2)
wenzelm@66764
   763
wenzelm@66818
   764
    make(unique_roots.flatMap(p => read_root(options, p._1, p._2)))
wenzelm@62631
   765
  }
wenzelm@62632
   766
wenzelm@62632
   767
wenzelm@62637
   768
wenzelm@62704
   769
  /** heap file with SHA1 digest **/
wenzelm@62704
   770
wenzelm@62704
   771
  private val sha1_prefix = "SHA1:"
wenzelm@62704
   772
wenzelm@62704
   773
  def read_heap_digest(heap: Path): Option[String] =
wenzelm@62704
   774
  {
wenzelm@62704
   775
    if (heap.is_file) {
wenzelm@62704
   776
      val file = FileChannel.open(heap.file.toPath, StandardOpenOption.READ)
wenzelm@62704
   777
      try {
wenzelm@62704
   778
        val len = file.size
wenzelm@62704
   779
        val n = sha1_prefix.length + SHA1.digest_length
wenzelm@62704
   780
        if (len >= n) {
wenzelm@62704
   781
          file.position(len - n)
wenzelm@62704
   782
wenzelm@62704
   783
          val buf = ByteBuffer.allocate(n)
wenzelm@62704
   784
          var i = 0
wenzelm@62704
   785
          var m = 0
wenzelm@62704
   786
          do {
wenzelm@62704
   787
            m = file.read(buf)
wenzelm@62704
   788
            if (m != -1) i += m
wenzelm@62704
   789
          }
wenzelm@62704
   790
          while (m != -1 && n > i)
wenzelm@62704
   791
wenzelm@62704
   792
          if (i == n) {
wenzelm@62704
   793
            val prefix = new String(buf.array(), 0, sha1_prefix.length, UTF8.charset)
wenzelm@62704
   794
            val s = new String(buf.array(), sha1_prefix.length, SHA1.digest_length, UTF8.charset)
wenzelm@62704
   795
            if (prefix == sha1_prefix) Some(s) else None
wenzelm@62704
   796
          }
wenzelm@62704
   797
          else None
wenzelm@62704
   798
        }
wenzelm@62704
   799
        else None
wenzelm@62704
   800
      }
wenzelm@62704
   801
      finally { file.close }
wenzelm@62704
   802
    }
wenzelm@62704
   803
    else None
wenzelm@62704
   804
  }
wenzelm@62704
   805
wenzelm@62704
   806
  def write_heap_digest(heap: Path): String =
wenzelm@62704
   807
    read_heap_digest(heap) match {
wenzelm@62704
   808
      case None =>
wenzelm@62704
   809
        val s = SHA1.digest(heap).rep
wenzelm@62704
   810
        File.append(heap, sha1_prefix + s)
wenzelm@62704
   811
        s
wenzelm@62704
   812
      case Some(s) => s
wenzelm@62704
   813
    }
wenzelm@62704
   814
wenzelm@62704
   815
wenzelm@62704
   816
wenzelm@62637
   817
  /** persistent store **/
wenzelm@62632
   818
wenzelm@65296
   819
  object Session_Info
wenzelm@65296
   820
  {
wenzelm@66857
   821
    val session_name = SQL.Column.string("session_name").make_primary_key
wenzelm@65326
   822
wenzelm@65296
   823
    // Build_Log.Session_Info
wenzelm@65296
   824
    val session_timing = SQL.Column.bytes("session_timing")
wenzelm@65296
   825
    val command_timings = SQL.Column.bytes("command_timings")
wenzelm@66873
   826
    val theory_timings = SQL.Column.bytes("theory_timings")
wenzelm@65296
   827
    val ml_statistics = SQL.Column.bytes("ml_statistics")
wenzelm@65296
   828
    val task_statistics = SQL.Column.bytes("task_statistics")
wenzelm@65934
   829
    val errors = SQL.Column.bytes("errors")
wenzelm@65296
   830
    val build_log_columns =
wenzelm@66873
   831
      List(session_name, session_timing, command_timings, theory_timings,
wenzelm@66873
   832
        ml_statistics, task_statistics, errors)
wenzelm@65296
   833
wenzelm@65296
   834
    // Build.Session_Info
wenzelm@65296
   835
    val sources = SQL.Column.string("sources")
wenzelm@65296
   836
    val input_heaps = SQL.Column.string("input_heaps")
wenzelm@65296
   837
    val output_heap = SQL.Column.string("output_heap")
wenzelm@65296
   838
    val return_code = SQL.Column.int("return_code")
wenzelm@66746
   839
    val build_columns = List(sources, input_heaps, output_heap, return_code)
wenzelm@65296
   840
wenzelm@65296
   841
    val table = SQL.Table("isabelle_session_info", build_log_columns ::: build_columns)
wenzelm@65296
   842
  }
wenzelm@65296
   843
wenzelm@62632
   844
  def store(system_mode: Boolean = false): Store = new Store(system_mode)
wenzelm@62632
   845
wenzelm@65857
   846
  class Store private[Sessions](system_mode: Boolean)
wenzelm@62632
   847
  {
wenzelm@65278
   848
    /* file names */
wenzelm@65278
   849
wenzelm@65281
   850
    def database(name: String): Path = Path.basic("log") + Path.basic(name).ext("db")
wenzelm@65278
   851
    def log(name: String): Path = Path.basic("log") + Path.basic(name)
wenzelm@65278
   852
    def log_gz(name: String): Path = log(name).ext("gz")
wenzelm@65278
   853
wenzelm@65278
   854
wenzelm@65286
   855
    /* SQL database content */
wenzelm@65283
   856
wenzelm@65857
   857
    val xml_cache = new XML.Cache()
wenzelm@65857
   858
wenzelm@65320
   859
    def read_bytes(db: SQL.Database, name: String, column: SQL.Column): Bytes =
wenzelm@65698
   860
      db.using_statement(Session_Info.table.select(List(column),
wenzelm@65699
   861
        Session_Info.session_name.where_equal(name)))(stmt =>
wenzelm@65291
   862
      {
wenzelm@65740
   863
        val res = stmt.execute_query()
wenzelm@65740
   864
        if (!res.next()) Bytes.empty else res.bytes(column)
wenzelm@65291
   865
      })
wenzelm@65285
   866
wenzelm@65320
   867
    def read_properties(db: SQL.Database, name: String, column: SQL.Column): List[Properties.T] =
wenzelm@65857
   868
      Properties.uncompress(read_bytes(db, name, column), Some(xml_cache))
wenzelm@65286
   869
wenzelm@65283
   870
wenzelm@62637
   871
    /* output */
wenzelm@62632
   872
wenzelm@62632
   873
    val browser_info: Path =
wenzelm@62632
   874
      if (system_mode) Path.explode("~~/browser_info")
wenzelm@62632
   875
      else Path.explode("$ISABELLE_BROWSER_INFO")
wenzelm@62632
   876
wenzelm@62637
   877
    val output_dir: Path =
wenzelm@62637
   878
      if (system_mode) Path.explode("~~/heaps/$ML_IDENTIFIER")
wenzelm@62637
   879
      else Path.explode("$ISABELLE_OUTPUT")
wenzelm@62637
   880
wenzelm@65298
   881
    override def toString: String = "Store(output_dir = " + output_dir.expand + ")"
wenzelm@65298
   882
wenzelm@62637
   883
    def prepare_output() { Isabelle_System.mkdirs(output_dir + Path.basic("log")) }
wenzelm@62637
   884
wenzelm@62637
   885
wenzelm@62637
   886
    /* input */
wenzelm@62637
   887
wenzelm@62637
   888
    private val input_dirs =
wenzelm@62632
   889
      if (system_mode) List(output_dir)
wenzelm@62633
   890
      else {
wenzelm@62633
   891
        val ml_ident = Path.explode("$ML_IDENTIFIER").expand
wenzelm@62633
   892
        output_dir :: Path.split(Isabelle_System.getenv_strict("ISABELLE_PATH")).map(_ + ml_ident)
wenzelm@62633
   893
      }
wenzelm@62632
   894
wenzelm@65291
   895
    def find_database_heap(name: String): Option[(Path, Option[String])] =
wenzelm@65291
   896
      input_dirs.find(dir => (dir + database(name)).is_file).map(dir =>
wenzelm@65291
   897
        (dir + database(name), read_heap_digest(dir + Path.basic(name))))
wenzelm@62632
   898
wenzelm@65281
   899
    def find_database(name: String): Option[Path] =
wenzelm@65281
   900
      input_dirs.map(_ + database(name)).find(_.is_file)
wenzelm@65281
   901
wenzelm@62637
   902
    def heap(name: String): Path =
wenzelm@65288
   903
      input_dirs.map(_ + Path.basic(name)).find(_.is_file) getOrElse
wenzelm@62637
   904
        error("Unknown logic " + quote(name) + " -- no heap file found in:\n" +
wenzelm@62769
   905
          cat_lines(input_dirs.map(dir => "  " + dir.expand.implode)))
wenzelm@65287
   906
wenzelm@65287
   907
wenzelm@65296
   908
    /* session info */
wenzelm@65281
   909
wenzelm@65296
   910
    def write_session_info(
wenzelm@65318
   911
      db: SQL.Database,
wenzelm@65320
   912
      name: String,
wenzelm@65318
   913
      build_log: Build_Log.Session_Info,
wenzelm@65318
   914
      build: Build.Session_Info)
wenzelm@65281
   915
    {
wenzelm@65281
   916
      db.transaction {
wenzelm@65296
   917
        db.create_table(Session_Info.table)
wenzelm@65698
   918
        db.using_statement(
wenzelm@65699
   919
          Session_Info.table.delete(Session_Info.session_name.where_equal(name)))(_.execute)
wenzelm@65698
   920
        db.using_statement(Session_Info.table.insert())(stmt =>
wenzelm@65281
   921
        {
wenzelm@65748
   922
          stmt.string(1) = name
wenzelm@65857
   923
          stmt.bytes(2) = Properties.encode(build_log.session_timing)
wenzelm@65857
   924
          stmt.bytes(3) = Properties.compress(build_log.command_timings)
wenzelm@66873
   925
          stmt.bytes(4) = Properties.compress(build_log.theory_timings)
wenzelm@66873
   926
          stmt.bytes(5) = Properties.compress(build_log.ml_statistics)
wenzelm@66873
   927
          stmt.bytes(6) = Properties.compress(build_log.task_statistics)
wenzelm@66873
   928
          stmt.bytes(7) = Build_Log.compress_errors(build_log.errors)
wenzelm@66873
   929
          stmt.string(8) = build.sources
wenzelm@66873
   930
          stmt.string(9) = cat_lines(build.input_heaps)
wenzelm@66873
   931
          stmt.string(10) = build.output_heap getOrElse ""
wenzelm@66873
   932
          stmt.int(11) = build.return_code
wenzelm@65281
   933
          stmt.execute()
wenzelm@65281
   934
        })
wenzelm@65281
   935
      }
wenzelm@65281
   936
    }
wenzelm@65281
   937
wenzelm@65320
   938
    def read_session_timing(db: SQL.Database, name: String): Properties.T =
wenzelm@65857
   939
      Properties.decode(read_bytes(db, name, Session_Info.session_timing), Some(xml_cache))
wenzelm@65286
   940
wenzelm@65320
   941
    def read_command_timings(db: SQL.Database, name: String): List[Properties.T] =
wenzelm@65320
   942
      read_properties(db, name, Session_Info.command_timings)
wenzelm@65286
   943
wenzelm@66873
   944
    def read_theory_timings(db: SQL.Database, name: String): List[Properties.T] =
wenzelm@66873
   945
      read_properties(db, name, Session_Info.theory_timings)
wenzelm@66873
   946
wenzelm@65320
   947
    def read_ml_statistics(db: SQL.Database, name: String): List[Properties.T] =
wenzelm@65320
   948
      read_properties(db, name, Session_Info.ml_statistics)
wenzelm@65286
   949
wenzelm@65320
   950
    def read_task_statistics(db: SQL.Database, name: String): List[Properties.T] =
wenzelm@65320
   951
      read_properties(db, name, Session_Info.task_statistics)
wenzelm@65286
   952
wenzelm@65937
   953
    def read_errors(db: SQL.Database, name: String): List[String] =
wenzelm@65937
   954
      Build_Log.uncompress_errors(read_bytes(db, name, Session_Info.errors))
wenzelm@65937
   955
wenzelm@65320
   956
    def read_build(db: SQL.Database, name: String): Option[Build.Session_Info] =
wenzelm@66744
   957
    {
wenzelm@66957
   958
      if (db.tables.contains(Session_Info.table.name)) {
wenzelm@66957
   959
        db.using_statement(Session_Info.table.select(Session_Info.build_columns,
wenzelm@66957
   960
          Session_Info.session_name.where_equal(name)))(stmt =>
wenzelm@66957
   961
        {
wenzelm@66957
   962
          val res = stmt.execute_query()
wenzelm@66957
   963
          if (!res.next()) None
wenzelm@66957
   964
          else {
wenzelm@66957
   965
            Some(
wenzelm@66957
   966
              Build.Session_Info(
wenzelm@66957
   967
                res.string(Session_Info.sources),
wenzelm@66957
   968
                split_lines(res.string(Session_Info.input_heaps)),
wenzelm@66957
   969
                res.string(Session_Info.output_heap) match { case "" => None case s => Some(s) },
wenzelm@66957
   970
                res.int(Session_Info.return_code)))
wenzelm@66957
   971
          }
wenzelm@66957
   972
        })
wenzelm@66957
   973
      }
wenzelm@66957
   974
      else None
wenzelm@66744
   975
    }
wenzelm@65281
   976
  }
wenzelm@62631
   977
}