src/Pure/Thy/sessions.scala
author wenzelm
Tue Oct 31 20:57:44 2017 +0100 (20 months ago)
changeset 66967 e365c91c72a9
parent 66966 f3f9a492bee6
child 66968 9991671c98aa
permissions -rw-r--r--
synthesize session with all required theories from other session imports;
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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 theory_qualifier(name: String): String =
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      global_theories.getOrElse(name, Long_Name.qualifier(name))
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    def theory_qualifier(name: Document.Node.Name): String = theory_qualifier(name.theory)
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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 = imports_base.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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  /* base info */
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  def session_base_info(
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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): Base_Info =
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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)))
wenzelm@65372
   338
wenzelm@66964
   339
    val sessions: T = if (all_known) full_sessions else selected_sessions
wenzelm@66964
   340
    val deps = Sessions.deps(sessions, global_theories, inlined_files = inlined_files)
wenzelm@66963
   341
    val base = if (all_known) deps(session).copy(known = deps.all_known) else deps(session)
wenzelm@66963
   342
wenzelm@66965
   343
    new Base_Info(session, sessions, deps, base)
wenzelm@66964
   344
  }
wenzelm@66964
   345
wenzelm@66965
   346
  final class Base_Info private [Sessions](
wenzelm@66965
   347
    val session: String, val sessions: T, val deps: Deps, val base: Base)
wenzelm@66964
   348
  {
wenzelm@66965
   349
    override def toString: String = session
wenzelm@66964
   350
wenzelm@66964
   351
    def errors: List[String] = deps.errors
wenzelm@66964
   352
    def check_base: Base = if (errors.isEmpty) base else error(cat_lines(errors))
wenzelm@66967
   353
wenzelm@66967
   354
    def imported_session: Option[Info] =
wenzelm@66967
   355
    {
wenzelm@66967
   356
      val info = sessions(session)
wenzelm@66967
   357
wenzelm@66967
   358
      val parent_loaded =
wenzelm@66967
   359
        info.parent match {
wenzelm@66967
   360
          case Some(parent) => deps(parent).loaded_theories.defined(_)
wenzelm@66967
   361
          case None => (_: String) => false
wenzelm@66967
   362
        }
wenzelm@66967
   363
      val imported_theories =
wenzelm@66967
   364
        for {
wenzelm@66967
   365
          thy <- base.loaded_theories.keys
wenzelm@66967
   366
          if !parent_loaded(thy) && base.theory_qualifier(thy) != session
wenzelm@66967
   367
        }
wenzelm@66967
   368
        yield (List.empty[Options.Spec], List(((thy, Position.none), false)))
wenzelm@66967
   369
wenzelm@66967
   370
      if (imported_theories.isEmpty) None
wenzelm@66967
   371
      else
wenzelm@66967
   372
        Some(
wenzelm@66967
   373
          make_info(info.options,
wenzelm@66967
   374
            dir_selected = false,
wenzelm@66967
   375
            dir = info.dir,
wenzelm@66967
   376
            chapter = info.chapter,
wenzelm@66967
   377
            Session_Entry(
wenzelm@66967
   378
              pos = info.pos,
wenzelm@66967
   379
              name = info.name + "(base)",
wenzelm@66967
   380
              groups = info.groups,
wenzelm@66967
   381
              path = ".",
wenzelm@66967
   382
              parent = info.parent,
wenzelm@66967
   383
              description = "All required theories from other session imports",
wenzelm@66967
   384
              options = Nil,
wenzelm@66967
   385
              imports = info.imports,
wenzelm@66967
   386
              theories = imported_theories,
wenzelm@66967
   387
              document_files = Nil)))
wenzelm@66967
   388
    }
wenzelm@65251
   389
  }
wenzelm@65251
   390
wenzelm@65251
   391
wenzelm@65415
   392
  /* cumulative session info */
wenzelm@62631
   393
wenzelm@62631
   394
  sealed case class Info(
wenzelm@65519
   395
    name: String,
wenzelm@62631
   396
    chapter: String,
wenzelm@66829
   397
    dir_selected: Boolean,
wenzelm@62631
   398
    pos: Position.T,
wenzelm@62631
   399
    groups: List[String],
wenzelm@62631
   400
    dir: Path,
wenzelm@62631
   401
    parent: Option[String],
wenzelm@62631
   402
    description: String,
wenzelm@62631
   403
    options: Options,
wenzelm@65420
   404
    imports: List[String],
wenzelm@65517
   405
    theories: List[(Options, List[(String, Position.T)])],
wenzelm@65374
   406
    global_theories: List[String],
wenzelm@62631
   407
    document_files: List[(Path, Path)],
wenzelm@62631
   408
    meta_digest: SHA1.Digest)
wenzelm@62631
   409
  {
wenzelm@66828
   410
    def deps: List[String] = parent.toList ::: imports
wenzelm@66828
   411
wenzelm@62631
   412
    def timeout: Time = Time.seconds(options.real("timeout") * options.real("timeout_scale"))
wenzelm@62631
   413
  }
wenzelm@62631
   414
wenzelm@66967
   415
  def make_info(options: Options, dir_selected: Boolean, dir: Path, chapter: String,
wenzelm@66967
   416
    entry: Session_Entry): Info =
wenzelm@66967
   417
  {
wenzelm@66967
   418
    try {
wenzelm@66967
   419
      val name = entry.name
wenzelm@66967
   420
wenzelm@66967
   421
      if (name == "" || name == DRAFT) error("Bad session name")
wenzelm@66967
   422
      if (is_pure(name) && entry.parent.isDefined) error("Illegal parent session")
wenzelm@66967
   423
      if (!is_pure(name) && !entry.parent.isDefined) error("Missing parent session")
wenzelm@66967
   424
wenzelm@66967
   425
      val session_options = options ++ entry.options
wenzelm@66967
   426
wenzelm@66967
   427
      val theories =
wenzelm@66967
   428
        entry.theories.map({ case (opts, thys) => (session_options ++ opts, thys.map(_._1)) })
wenzelm@66967
   429
wenzelm@66967
   430
      val global_theories =
wenzelm@66967
   431
        for { (_, thys) <- entry.theories; ((thy, pos), global) <- thys if global }
wenzelm@66967
   432
        yield {
wenzelm@66967
   433
          val thy_name = Path.explode(thy).expand.base_name
wenzelm@66967
   434
          if (Long_Name.is_qualified(thy_name))
wenzelm@66967
   435
            error("Bad qualified name for global theory " +
wenzelm@66967
   436
              quote(thy_name) + Position.here(pos))
wenzelm@66967
   437
          else thy_name
wenzelm@66967
   438
        }
wenzelm@66967
   439
wenzelm@66967
   440
      val conditions =
wenzelm@66967
   441
        theories.flatMap(thys => space_explode(',', thys._1.string("condition"))).distinct.sorted.
wenzelm@66967
   442
          map(x => (x, Isabelle_System.getenv(x) != ""))
wenzelm@66967
   443
wenzelm@66967
   444
      val document_files =
wenzelm@66967
   445
        entry.document_files.map({ case (s1, s2) => (Path.explode(s1), Path.explode(s2)) })
wenzelm@66967
   446
wenzelm@66967
   447
      val meta_digest =
wenzelm@66967
   448
        SHA1.digest((name, chapter, entry.parent, entry.options, entry.imports,
wenzelm@66967
   449
          entry.theories_no_position, conditions, entry.document_files).toString)
wenzelm@66967
   450
wenzelm@66967
   451
      Info(name, chapter, dir_selected, entry.pos, entry.groups,
wenzelm@66967
   452
        dir + Path.explode(entry.path), entry.parent, entry.description, session_options,
wenzelm@66967
   453
        entry.imports, theories, global_theories, document_files, meta_digest)
wenzelm@66967
   454
    }
wenzelm@66967
   455
    catch {
wenzelm@66967
   456
      case ERROR(msg) =>
wenzelm@66967
   457
        error(msg + "\nThe error(s) above occurred in session entry " +
wenzelm@66967
   458
          quote(entry.name) + Position.here(entry.pos))
wenzelm@66967
   459
    }
wenzelm@66967
   460
  }
wenzelm@66967
   461
wenzelm@65419
   462
  object Selection
wenzelm@65419
   463
  {
wenzelm@65422
   464
    val empty: Selection = Selection()
wenzelm@65525
   465
    val all: Selection = Selection(all_sessions = true)
wenzelm@65419
   466
  }
wenzelm@65419
   467
wenzelm@65419
   468
  sealed case class Selection(
wenzelm@65419
   469
    requirements: Boolean = false,
wenzelm@65419
   470
    all_sessions: Boolean = false,
wenzelm@66737
   471
    base_sessions: List[String] = Nil,
wenzelm@65419
   472
    exclude_session_groups: List[String] = Nil,
wenzelm@65419
   473
    exclude_sessions: List[String] = Nil,
wenzelm@65419
   474
    session_groups: List[String] = Nil,
wenzelm@65419
   475
    sessions: List[String] = Nil)
wenzelm@65419
   476
  {
wenzelm@66736
   477
    def ++ (other: Selection): Selection =
wenzelm@65422
   478
      Selection(
wenzelm@65422
   479
        requirements = requirements || other.requirements,
wenzelm@65422
   480
        all_sessions = all_sessions || other.all_sessions,
wenzelm@66737
   481
        base_sessions = Library.merge(base_sessions, other.base_sessions),
wenzelm@66736
   482
        exclude_session_groups = Library.merge(exclude_session_groups, other.exclude_session_groups),
wenzelm@66736
   483
        exclude_sessions = Library.merge(exclude_sessions, other.exclude_sessions),
wenzelm@66736
   484
        session_groups = Library.merge(session_groups, other.session_groups),
wenzelm@66736
   485
        sessions = Library.merge(sessions, other.sessions))
wenzelm@65422
   486
wenzelm@65419
   487
    def apply(graph: Graph[String, Info]): (List[String], Graph[String, Info]) =
wenzelm@65419
   488
    {
wenzelm@65419
   489
      val bad_sessions =
wenzelm@66737
   490
        SortedSet((base_sessions ::: exclude_sessions ::: sessions).
wenzelm@66737
   491
          filterNot(graph.defined(_)): _*).toList
wenzelm@66737
   492
      if (bad_sessions.nonEmpty)
wenzelm@66737
   493
        error("Undefined session(s): " + commas_quote(bad_sessions))
wenzelm@65419
   494
wenzelm@65419
   495
      val excluded =
wenzelm@65419
   496
      {
wenzelm@65419
   497
        val exclude_group = exclude_session_groups.toSet
wenzelm@65419
   498
        val exclude_group_sessions =
wenzelm@65419
   499
          (for {
wenzelm@65419
   500
            (name, (info, _)) <- graph.iterator
wenzelm@65419
   501
            if graph.get_node(name).groups.exists(exclude_group)
wenzelm@65419
   502
          } yield name).toList
wenzelm@65419
   503
        graph.all_succs(exclude_group_sessions ::: exclude_sessions).toSet
wenzelm@65419
   504
      }
wenzelm@65419
   505
wenzelm@65419
   506
      val pre_selected =
wenzelm@65419
   507
      {
wenzelm@65419
   508
        if (all_sessions) graph.keys
wenzelm@65419
   509
        else {
wenzelm@65419
   510
          val select_group = session_groups.toSet
wenzelm@66737
   511
          val select = sessions.toSet ++ graph.all_succs(base_sessions)
wenzelm@65419
   512
          (for {
wenzelm@65419
   513
            (name, (info, _)) <- graph.iterator
wenzelm@66829
   514
            if info.dir_selected || select(name) || graph.get_node(name).groups.exists(select_group)
wenzelm@65419
   515
          } yield name).toList
wenzelm@65419
   516
        }
wenzelm@65419
   517
      }.filterNot(excluded)
wenzelm@65419
   518
wenzelm@65419
   519
      val selected =
wenzelm@65419
   520
        if (requirements) (graph.all_preds(pre_selected).toSet -- pre_selected).toList
wenzelm@65419
   521
        else pre_selected
wenzelm@65419
   522
wenzelm@65419
   523
      (selected, graph.restrict(graph.all_preds(selected).toSet))
wenzelm@65419
   524
    }
wenzelm@65419
   525
  }
wenzelm@65419
   526
wenzelm@66960
   527
  def make(infos: List[Info]): T =
wenzelm@62631
   528
  {
wenzelm@65420
   529
    def add_edges(graph: Graph[String, Info], kind: String, edges: Info => Traversable[String])
wenzelm@65420
   530
      : Graph[String, Info] =
wenzelm@65420
   531
    {
wenzelm@65420
   532
      def add_edge(pos: Position.T, name: String, g: Graph[String, Info], parent: String) =
wenzelm@65420
   533
      {
wenzelm@65420
   534
        if (!g.defined(parent))
wenzelm@65420
   535
          error("Bad " + kind + " session " + quote(parent) + " for " +
wenzelm@65420
   536
            quote(name) + Position.here(pos))
wenzelm@65420
   537
wenzelm@65420
   538
        try { g.add_edge_acyclic(parent, name) }
wenzelm@65420
   539
        catch {
wenzelm@65420
   540
          case exn: Graph.Cycles[_] =>
wenzelm@65420
   541
            error(cat_lines(exn.cycles.map(cycle =>
wenzelm@65420
   542
              "Cyclic session dependency of " +
wenzelm@65420
   543
                cycle.map(c => quote(c.toString)).mkString(" via "))) + Position.here(pos))
wenzelm@65420
   544
        }
wenzelm@65420
   545
      }
wenzelm@65420
   546
      (graph /: graph.iterator) {
wenzelm@65420
   547
        case (g, (name, (info, _))) => (g /: edges(info))(add_edge(info.pos, name, _, _))
wenzelm@65420
   548
      }
wenzelm@65420
   549
    }
wenzelm@65420
   550
wenzelm@65420
   551
    val graph0 =
wenzelm@65415
   552
      (Graph.string[Info] /: infos) {
wenzelm@66960
   553
        case (graph, info) =>
wenzelm@66960
   554
          if (graph.defined(info.name))
wenzelm@66960
   555
            error("Duplicate session " + quote(info.name) + Position.here(info.pos) +
wenzelm@66960
   556
              Position.here(graph.get_node(info.name).pos))
wenzelm@66960
   557
          else graph.new_node(info.name, info)
wenzelm@65415
   558
      }
wenzelm@65420
   559
    val graph1 = add_edges(graph0, "parent", _.parent)
wenzelm@65420
   560
    val graph2 = add_edges(graph1, "imports", _.imports)
wenzelm@62631
   561
wenzelm@65420
   562
    new T(graph1, graph2)
wenzelm@62631
   563
  }
wenzelm@62631
   564
wenzelm@65420
   565
  final class T private[Sessions](
wenzelm@65420
   566
      val build_graph: Graph[String, Info],
wenzelm@65420
   567
      val imports_graph: Graph[String, Info])
wenzelm@62631
   568
  {
wenzelm@66823
   569
    def build_graph_display: Graph_Display.Graph = Graph_Display.make_graph(build_graph)
wenzelm@66823
   570
    def imports_graph_display: Graph_Display.Graph = Graph_Display.make_graph(imports_graph)
wenzelm@66823
   571
wenzelm@65420
   572
    def apply(name: String): Info = imports_graph.get_node(name)
wenzelm@65420
   573
    def get(name: String): Option[Info] =
wenzelm@65420
   574
      if (imports_graph.defined(name)) Some(imports_graph.get_node(name)) else None
wenzelm@62631
   575
wenzelm@65457
   576
    def global_theories: Map[String, String] =
wenzelm@65490
   577
      (Thy_Header.bootstrap_global_theories.toMap /:
wenzelm@65424
   578
        (for {
wenzelm@65519
   579
          (_, (info, _)) <- imports_graph.iterator
wenzelm@65519
   580
          thy <- info.global_theories.iterator }
wenzelm@65519
   581
         yield (thy, info)))({
wenzelm@65519
   582
            case (global, (thy, info)) =>
wenzelm@66780
   583
              val qualifier = info.name
wenzelm@65457
   584
              global.get(thy) match {
wenzelm@65457
   585
                case Some(qualifier1) if qualifier != qualifier1 =>
wenzelm@65457
   586
                  error("Duplicate global theory " + quote(thy) + Position.here(info.pos))
wenzelm@65457
   587
                case _ => global + (thy -> qualifier)
wenzelm@65457
   588
              }
wenzelm@65457
   589
          })
wenzelm@65372
   590
wenzelm@65419
   591
    def selection(select: Selection): (List[String], T) =
wenzelm@62631
   592
    {
wenzelm@65420
   593
      val (_, build_graph1) = select(build_graph)
wenzelm@65420
   594
      val (selected, imports_graph1) = select(imports_graph)
wenzelm@65420
   595
      (selected, new T(build_graph1, imports_graph1))
wenzelm@62631
   596
    }
wenzelm@62631
   597
wenzelm@65420
   598
    def build_descendants(names: List[String]): List[String] =
wenzelm@65420
   599
      build_graph.all_succs(names)
wenzelm@66848
   600
    def build_requirements(names: List[String]): List[String] =
wenzelm@66848
   601
      build_graph.all_preds(names).reverse
wenzelm@65519
   602
    def build_topological_order: List[Info] =
wenzelm@65519
   603
      build_graph.topological_order.map(apply(_))
wenzelm@62631
   604
wenzelm@66848
   605
    def imports_descendants(names: List[String]): List[String] =
wenzelm@66848
   606
      imports_graph.all_succs(names)
wenzelm@66848
   607
    def imports_requirements(names: List[String]): List[String] =
wenzelm@66848
   608
      imports_graph.all_preds(names).reverse
wenzelm@65519
   609
    def imports_topological_order: List[Info] =
wenzelm@65519
   610
      imports_graph.topological_order.map(apply(_))
wenzelm@65420
   611
wenzelm@65420
   612
    override def toString: String =
wenzelm@65420
   613
      imports_graph.keys_iterator.mkString("Sessions.T(", ", ", ")")
wenzelm@62631
   614
  }
wenzelm@62631
   615
wenzelm@62631
   616
wenzelm@62631
   617
  /* parser */
wenzelm@62631
   618
wenzelm@62864
   619
  val ROOT = Path.explode("ROOT")
wenzelm@62864
   620
  val ROOTS = Path.explode("ROOTS")
wenzelm@62864
   621
wenzelm@62631
   622
  private val CHAPTER = "chapter"
wenzelm@62631
   623
  private val SESSION = "session"
wenzelm@62631
   624
  private val IN = "in"
wenzelm@62631
   625
  private val DESCRIPTION = "description"
wenzelm@62631
   626
  private val OPTIONS = "options"
wenzelm@65420
   627
  private val SESSIONS = "sessions"
wenzelm@62631
   628
  private val THEORIES = "theories"
wenzelm@65374
   629
  private val GLOBAL = "global"
wenzelm@62631
   630
  private val DOCUMENT_FILES = "document_files"
wenzelm@62631
   631
wenzelm@62631
   632
  lazy val root_syntax =
wenzelm@65374
   633
    Outer_Syntax.init() + "(" + ")" + "+" + "," + "=" + "[" + "]" + GLOBAL + IN +
wenzelm@63443
   634
      (CHAPTER, Keyword.THY_DECL) +
wenzelm@63443
   635
      (SESSION, Keyword.THY_DECL) +
wenzelm@63443
   636
      (DESCRIPTION, Keyword.QUASI_COMMAND) +
wenzelm@63443
   637
      (OPTIONS, Keyword.QUASI_COMMAND) +
wenzelm@65420
   638
      (SESSIONS, Keyword.QUASI_COMMAND) +
wenzelm@63443
   639
      (THEORIES, Keyword.QUASI_COMMAND) +
wenzelm@63443
   640
      (DOCUMENT_FILES, Keyword.QUASI_COMMAND)
wenzelm@62631
   641
wenzelm@66818
   642
  abstract class Entry
wenzelm@66818
   643
  sealed case class Chapter(name: String) extends Entry
wenzelm@66818
   644
  sealed case class Session_Entry(
wenzelm@66818
   645
    pos: Position.T,
wenzelm@66818
   646
    name: String,
wenzelm@66818
   647
    groups: List[String],
wenzelm@66818
   648
    path: String,
wenzelm@66818
   649
    parent: Option[String],
wenzelm@66818
   650
    description: String,
wenzelm@66818
   651
    options: List[Options.Spec],
wenzelm@66818
   652
    imports: List[String],
wenzelm@66818
   653
    theories: List[(List[Options.Spec], List[((String, Position.T), Boolean)])],
wenzelm@66818
   654
    document_files: List[(String, String)]) extends Entry
wenzelm@66818
   655
  {
wenzelm@66818
   656
    def theories_no_position: List[(List[Options.Spec], List[(String, Boolean)])] =
wenzelm@66818
   657
      theories.map({ case (a, b) => (a, b.map({ case ((c, _), d) => (c, d) })) })
wenzelm@66818
   658
  }
wenzelm@66818
   659
wenzelm@62968
   660
  private object Parser extends Parse.Parser with Options.Parser
wenzelm@62631
   661
  {
wenzelm@62631
   662
    private val chapter: Parser[Chapter] =
wenzelm@62631
   663
    {
wenzelm@62631
   664
      val chapter_name = atom("chapter name", _.is_name)
wenzelm@62631
   665
wenzelm@62631
   666
      command(CHAPTER) ~! chapter_name ^^ { case _ ~ a => Chapter(a) }
wenzelm@62631
   667
    }
wenzelm@62631
   668
wenzelm@62631
   669
    private val session_entry: Parser[Session_Entry] =
wenzelm@62631
   670
    {
wenzelm@62631
   671
      val option =
wenzelm@62968
   672
        option_name ~ opt($$$("=") ~! option_value ^^
wenzelm@62968
   673
          { case _ ~ x => x }) ^^ { case x ~ y => (x, y) }
wenzelm@62631
   674
      val options = $$$("[") ~> rep1sep(option, $$$(",")) <~ $$$("]")
wenzelm@62631
   675
wenzelm@65374
   676
      val global =
wenzelm@65374
   677
        ($$$("(") ~! $$$(GLOBAL) ~ $$$(")")) ^^ { case _ => true } | success(false)
wenzelm@65374
   678
wenzelm@65374
   679
      val theory_entry =
wenzelm@65517
   680
        position(theory_name) ~ global ^^ { case x ~ y => (x, y) }
wenzelm@65374
   681
wenzelm@62631
   682
      val theories =
wenzelm@65374
   683
        $$$(THEORIES) ~!
wenzelm@65374
   684
          ((options | success(Nil)) ~ rep(theory_entry)) ^^
wenzelm@65374
   685
          { case _ ~ (x ~ y) => (x, y) }
wenzelm@62631
   686
wenzelm@62631
   687
      val document_files =
wenzelm@62631
   688
        $$$(DOCUMENT_FILES) ~!
wenzelm@62631
   689
          (($$$("(") ~! ($$$(IN) ~! (path ~ $$$(")"))) ^^
wenzelm@62631
   690
              { case _ ~ (_ ~ (x ~ _)) => x } | success("document")) ~
wenzelm@62631
   691
            rep1(path)) ^^ { case _ ~ (x ~ y) => y.map((x, _)) }
wenzelm@62631
   692
wenzelm@62631
   693
      command(SESSION) ~!
wenzelm@62631
   694
        (position(session_name) ~
wenzelm@62631
   695
          (($$$("(") ~! (rep1(name) <~ $$$(")")) ^^ { case _ ~ x => x }) | success(Nil)) ~
wenzelm@62631
   696
          (($$$(IN) ~! path ^^ { case _ ~ x => x }) | success(".")) ~
wenzelm@62631
   697
          ($$$("=") ~!
wenzelm@62631
   698
            (opt(session_name ~! $$$("+") ^^ { case x ~ _ => x }) ~
wenzelm@62631
   699
              (($$$(DESCRIPTION) ~! text ^^ { case _ ~ x => x }) | success("")) ~
wenzelm@62631
   700
              (($$$(OPTIONS) ~! options ^^ { case _ ~ x => x }) | success(Nil)) ~
wenzelm@65420
   701
              (($$$(SESSIONS) ~! rep(session_name)  ^^ { case _ ~ x => x }) | success(Nil)) ~
wenzelm@62631
   702
              rep1(theories) ~
wenzelm@62631
   703
              (rep(document_files) ^^ (x => x.flatten))))) ^^
wenzelm@66759
   704
        { case _ ~ ((a, pos) ~ b ~ c ~ (_ ~ (d ~ e ~ f ~ g ~ h ~ i))) =>
wenzelm@66759
   705
            Session_Entry(pos, a, b, c, d, e, f, g, h, i) }
wenzelm@62631
   706
    }
wenzelm@62631
   707
wenzelm@66819
   708
    def parse_root(path: Path): List[Entry] =
wenzelm@62631
   709
    {
wenzelm@66764
   710
      val toks = Token.explode(root_syntax.keywords, File.read(path))
wenzelm@66764
   711
      val start = Token.Pos.file(path.implode)
wenzelm@62631
   712
wenzelm@66764
   713
      parse_all(rep(chapter | session_entry), Token.reader(toks, start)) match {
wenzelm@66818
   714
        case Success(result, _) => result
wenzelm@66764
   715
        case bad => error(bad.toString)
wenzelm@62631
   716
      }
wenzelm@62631
   717
    }
wenzelm@62631
   718
  }
wenzelm@62631
   719
wenzelm@66819
   720
  def parse_root(path: Path): List[Entry] = Parser.parse_root(path)
wenzelm@66819
   721
wenzelm@66819
   722
  def parse_root_entries(path: Path): List[Session_Entry] =
wenzelm@66819
   723
    for (entry <- Parser.parse_root(path) if entry.isInstanceOf[Session_Entry])
wenzelm@66819
   724
    yield entry.asInstanceOf[Session_Entry]
wenzelm@66818
   725
wenzelm@66960
   726
  def read_root(options: Options, select: Boolean, path: Path): List[Info] =
wenzelm@66818
   727
  {
wenzelm@66818
   728
    var entry_chapter = "Unsorted"
wenzelm@66960
   729
    val infos = new mutable.ListBuffer[Info]
wenzelm@66819
   730
    parse_root(path).foreach {
wenzelm@66818
   731
      case Chapter(name) => entry_chapter = name
wenzelm@66967
   732
      case entry: Session_Entry =>
wenzelm@66967
   733
        infos += make_info(options, select, path.dir, entry_chapter, entry)
wenzelm@66818
   734
    }
wenzelm@66818
   735
    infos.toList
wenzelm@66818
   736
  }
wenzelm@66818
   737
wenzelm@66818
   738
  def parse_roots(roots: Path): List[String] =
wenzelm@66818
   739
  {
wenzelm@66818
   740
    for {
wenzelm@66818
   741
      line <- split_lines(File.read(roots))
wenzelm@66818
   742
      if !(line == "" || line.startsWith("#"))
wenzelm@66818
   743
    } yield line
wenzelm@66818
   744
  }
wenzelm@66818
   745
wenzelm@62631
   746
wenzelm@62635
   747
  /* load sessions from certain directories */
wenzelm@62631
   748
wenzelm@62631
   749
  private def is_session_dir(dir: Path): Boolean =
wenzelm@62631
   750
    (dir + ROOT).is_file || (dir + ROOTS).is_file
wenzelm@62631
   751
wenzelm@62631
   752
  private def check_session_dir(dir: Path): Path =
wenzelm@65468
   753
    if (is_session_dir(dir)) File.pwd() + dir.expand
wenzelm@62631
   754
    else error("Bad session root directory: " + dir.toString)
wenzelm@62631
   755
wenzelm@65561
   756
  def directories(dirs: List[Path], select_dirs: List[Path]): List[(Boolean, Path)] =
wenzelm@65561
   757
  {
wenzelm@65561
   758
    val default_dirs = Isabelle_System.components().filter(is_session_dir(_))
wenzelm@65561
   759
    (default_dirs ::: dirs).map((false, _)) ::: select_dirs.map((true, _))
wenzelm@65561
   760
  }
wenzelm@65561
   761
wenzelm@65415
   762
  def load(options: Options, dirs: List[Path] = Nil, select_dirs: List[Path] = Nil): T =
wenzelm@62631
   763
  {
wenzelm@66764
   764
    def load_dir(select: Boolean, dir: Path): List[(Boolean, Path)] =
wenzelm@62635
   765
      load_root(select, dir) ::: load_roots(select, dir)
wenzelm@62631
   766
wenzelm@66764
   767
    def load_root(select: Boolean, dir: Path): List[(Boolean, Path)] =
wenzelm@66764
   768
    {
wenzelm@66764
   769
      val root = dir + ROOT
wenzelm@66764
   770
      if (root.is_file) List((select, root)) else Nil
wenzelm@66764
   771
    }
wenzelm@62631
   772
wenzelm@66764
   773
    def load_roots(select: Boolean, dir: Path): List[(Boolean, Path)] =
wenzelm@62631
   774
    {
wenzelm@62631
   775
      val roots = dir + ROOTS
wenzelm@62631
   776
      if (roots.is_file) {
wenzelm@62631
   777
        for {
wenzelm@66818
   778
          entry <- parse_roots(roots)
wenzelm@62631
   779
          dir1 =
wenzelm@66818
   780
            try { check_session_dir(dir + Path.explode(entry)) }
wenzelm@62631
   781
            catch {
wenzelm@62631
   782
              case ERROR(msg) =>
wenzelm@62631
   783
                error(msg + "\nThe error(s) above occurred in session catalog " + roots.toString)
wenzelm@62631
   784
            }
wenzelm@66764
   785
          res <- load_dir(select, dir1)
wenzelm@66764
   786
        } yield res
wenzelm@62631
   787
      }
wenzelm@62631
   788
      else Nil
wenzelm@62631
   789
    }
wenzelm@62631
   790
wenzelm@66764
   791
    val roots =
wenzelm@62631
   792
      for {
wenzelm@65561
   793
        (select, dir) <- directories(dirs, select_dirs)
wenzelm@66764
   794
        res <- load_dir(select, check_session_dir(dir))
wenzelm@66764
   795
      } yield res
wenzelm@66764
   796
wenzelm@66764
   797
    val unique_roots =
wenzelm@66764
   798
      ((Map.empty[JFile, (Boolean, Path)] /: roots) { case (m, (select, path)) =>
wenzelm@66764
   799
        val file = path.canonical_file
wenzelm@66764
   800
        m.get(file) match {
wenzelm@66764
   801
          case None => m + (file -> (select, path))
wenzelm@66764
   802
          case Some((select1, path1)) => m + (file -> (select1 || select, path1))
wenzelm@66764
   803
        }
wenzelm@66764
   804
      }).toList.map(_._2)
wenzelm@66764
   805
wenzelm@66818
   806
    make(unique_roots.flatMap(p => read_root(options, p._1, p._2)))
wenzelm@62631
   807
  }
wenzelm@62632
   808
wenzelm@62632
   809
wenzelm@62637
   810
wenzelm@62704
   811
  /** heap file with SHA1 digest **/
wenzelm@62704
   812
wenzelm@62704
   813
  private val sha1_prefix = "SHA1:"
wenzelm@62704
   814
wenzelm@62704
   815
  def read_heap_digest(heap: Path): Option[String] =
wenzelm@62704
   816
  {
wenzelm@62704
   817
    if (heap.is_file) {
wenzelm@62704
   818
      val file = FileChannel.open(heap.file.toPath, StandardOpenOption.READ)
wenzelm@62704
   819
      try {
wenzelm@62704
   820
        val len = file.size
wenzelm@62704
   821
        val n = sha1_prefix.length + SHA1.digest_length
wenzelm@62704
   822
        if (len >= n) {
wenzelm@62704
   823
          file.position(len - n)
wenzelm@62704
   824
wenzelm@62704
   825
          val buf = ByteBuffer.allocate(n)
wenzelm@62704
   826
          var i = 0
wenzelm@62704
   827
          var m = 0
wenzelm@62704
   828
          do {
wenzelm@62704
   829
            m = file.read(buf)
wenzelm@62704
   830
            if (m != -1) i += m
wenzelm@62704
   831
          }
wenzelm@62704
   832
          while (m != -1 && n > i)
wenzelm@62704
   833
wenzelm@62704
   834
          if (i == n) {
wenzelm@62704
   835
            val prefix = new String(buf.array(), 0, sha1_prefix.length, UTF8.charset)
wenzelm@62704
   836
            val s = new String(buf.array(), sha1_prefix.length, SHA1.digest_length, UTF8.charset)
wenzelm@62704
   837
            if (prefix == sha1_prefix) Some(s) else None
wenzelm@62704
   838
          }
wenzelm@62704
   839
          else None
wenzelm@62704
   840
        }
wenzelm@62704
   841
        else None
wenzelm@62704
   842
      }
wenzelm@62704
   843
      finally { file.close }
wenzelm@62704
   844
    }
wenzelm@62704
   845
    else None
wenzelm@62704
   846
  }
wenzelm@62704
   847
wenzelm@62704
   848
  def write_heap_digest(heap: Path): String =
wenzelm@62704
   849
    read_heap_digest(heap) match {
wenzelm@62704
   850
      case None =>
wenzelm@62704
   851
        val s = SHA1.digest(heap).rep
wenzelm@62704
   852
        File.append(heap, sha1_prefix + s)
wenzelm@62704
   853
        s
wenzelm@62704
   854
      case Some(s) => s
wenzelm@62704
   855
    }
wenzelm@62704
   856
wenzelm@62704
   857
wenzelm@62704
   858
wenzelm@62637
   859
  /** persistent store **/
wenzelm@62632
   860
wenzelm@65296
   861
  object Session_Info
wenzelm@65296
   862
  {
wenzelm@66857
   863
    val session_name = SQL.Column.string("session_name").make_primary_key
wenzelm@65326
   864
wenzelm@65296
   865
    // Build_Log.Session_Info
wenzelm@65296
   866
    val session_timing = SQL.Column.bytes("session_timing")
wenzelm@65296
   867
    val command_timings = SQL.Column.bytes("command_timings")
wenzelm@66873
   868
    val theory_timings = SQL.Column.bytes("theory_timings")
wenzelm@65296
   869
    val ml_statistics = SQL.Column.bytes("ml_statistics")
wenzelm@65296
   870
    val task_statistics = SQL.Column.bytes("task_statistics")
wenzelm@65934
   871
    val errors = SQL.Column.bytes("errors")
wenzelm@65296
   872
    val build_log_columns =
wenzelm@66873
   873
      List(session_name, session_timing, command_timings, theory_timings,
wenzelm@66873
   874
        ml_statistics, task_statistics, errors)
wenzelm@65296
   875
wenzelm@65296
   876
    // Build.Session_Info
wenzelm@65296
   877
    val sources = SQL.Column.string("sources")
wenzelm@65296
   878
    val input_heaps = SQL.Column.string("input_heaps")
wenzelm@65296
   879
    val output_heap = SQL.Column.string("output_heap")
wenzelm@65296
   880
    val return_code = SQL.Column.int("return_code")
wenzelm@66746
   881
    val build_columns = List(sources, input_heaps, output_heap, return_code)
wenzelm@65296
   882
wenzelm@65296
   883
    val table = SQL.Table("isabelle_session_info", build_log_columns ::: build_columns)
wenzelm@65296
   884
  }
wenzelm@65296
   885
wenzelm@62632
   886
  def store(system_mode: Boolean = false): Store = new Store(system_mode)
wenzelm@62632
   887
wenzelm@65857
   888
  class Store private[Sessions](system_mode: Boolean)
wenzelm@62632
   889
  {
wenzelm@65278
   890
    /* file names */
wenzelm@65278
   891
wenzelm@65281
   892
    def database(name: String): Path = Path.basic("log") + Path.basic(name).ext("db")
wenzelm@65278
   893
    def log(name: String): Path = Path.basic("log") + Path.basic(name)
wenzelm@65278
   894
    def log_gz(name: String): Path = log(name).ext("gz")
wenzelm@65278
   895
wenzelm@65278
   896
wenzelm@65286
   897
    /* SQL database content */
wenzelm@65283
   898
wenzelm@65857
   899
    val xml_cache = new XML.Cache()
wenzelm@65857
   900
wenzelm@65320
   901
    def read_bytes(db: SQL.Database, name: String, column: SQL.Column): Bytes =
wenzelm@65698
   902
      db.using_statement(Session_Info.table.select(List(column),
wenzelm@65699
   903
        Session_Info.session_name.where_equal(name)))(stmt =>
wenzelm@65291
   904
      {
wenzelm@65740
   905
        val res = stmt.execute_query()
wenzelm@65740
   906
        if (!res.next()) Bytes.empty else res.bytes(column)
wenzelm@65291
   907
      })
wenzelm@65285
   908
wenzelm@65320
   909
    def read_properties(db: SQL.Database, name: String, column: SQL.Column): List[Properties.T] =
wenzelm@65857
   910
      Properties.uncompress(read_bytes(db, name, column), Some(xml_cache))
wenzelm@65286
   911
wenzelm@65283
   912
wenzelm@62637
   913
    /* output */
wenzelm@62632
   914
wenzelm@62632
   915
    val browser_info: Path =
wenzelm@62632
   916
      if (system_mode) Path.explode("~~/browser_info")
wenzelm@62632
   917
      else Path.explode("$ISABELLE_BROWSER_INFO")
wenzelm@62632
   918
wenzelm@62637
   919
    val output_dir: Path =
wenzelm@62637
   920
      if (system_mode) Path.explode("~~/heaps/$ML_IDENTIFIER")
wenzelm@62637
   921
      else Path.explode("$ISABELLE_OUTPUT")
wenzelm@62637
   922
wenzelm@65298
   923
    override def toString: String = "Store(output_dir = " + output_dir.expand + ")"
wenzelm@65298
   924
wenzelm@62637
   925
    def prepare_output() { Isabelle_System.mkdirs(output_dir + Path.basic("log")) }
wenzelm@62637
   926
wenzelm@62637
   927
wenzelm@62637
   928
    /* input */
wenzelm@62637
   929
wenzelm@62637
   930
    private val input_dirs =
wenzelm@62632
   931
      if (system_mode) List(output_dir)
wenzelm@62633
   932
      else {
wenzelm@62633
   933
        val ml_ident = Path.explode("$ML_IDENTIFIER").expand
wenzelm@62633
   934
        output_dir :: Path.split(Isabelle_System.getenv_strict("ISABELLE_PATH")).map(_ + ml_ident)
wenzelm@62633
   935
      }
wenzelm@62632
   936
wenzelm@65291
   937
    def find_database_heap(name: String): Option[(Path, Option[String])] =
wenzelm@65291
   938
      input_dirs.find(dir => (dir + database(name)).is_file).map(dir =>
wenzelm@65291
   939
        (dir + database(name), read_heap_digest(dir + Path.basic(name))))
wenzelm@62632
   940
wenzelm@65281
   941
    def find_database(name: String): Option[Path] =
wenzelm@65281
   942
      input_dirs.map(_ + database(name)).find(_.is_file)
wenzelm@65281
   943
wenzelm@62637
   944
    def heap(name: String): Path =
wenzelm@65288
   945
      input_dirs.map(_ + Path.basic(name)).find(_.is_file) getOrElse
wenzelm@62637
   946
        error("Unknown logic " + quote(name) + " -- no heap file found in:\n" +
wenzelm@62769
   947
          cat_lines(input_dirs.map(dir => "  " + dir.expand.implode)))
wenzelm@65287
   948
wenzelm@65287
   949
wenzelm@65296
   950
    /* session info */
wenzelm@65281
   951
wenzelm@65296
   952
    def write_session_info(
wenzelm@65318
   953
      db: SQL.Database,
wenzelm@65320
   954
      name: String,
wenzelm@65318
   955
      build_log: Build_Log.Session_Info,
wenzelm@65318
   956
      build: Build.Session_Info)
wenzelm@65281
   957
    {
wenzelm@65281
   958
      db.transaction {
wenzelm@65296
   959
        db.create_table(Session_Info.table)
wenzelm@65698
   960
        db.using_statement(
wenzelm@65699
   961
          Session_Info.table.delete(Session_Info.session_name.where_equal(name)))(_.execute)
wenzelm@65698
   962
        db.using_statement(Session_Info.table.insert())(stmt =>
wenzelm@65281
   963
        {
wenzelm@65748
   964
          stmt.string(1) = name
wenzelm@65857
   965
          stmt.bytes(2) = Properties.encode(build_log.session_timing)
wenzelm@65857
   966
          stmt.bytes(3) = Properties.compress(build_log.command_timings)
wenzelm@66873
   967
          stmt.bytes(4) = Properties.compress(build_log.theory_timings)
wenzelm@66873
   968
          stmt.bytes(5) = Properties.compress(build_log.ml_statistics)
wenzelm@66873
   969
          stmt.bytes(6) = Properties.compress(build_log.task_statistics)
wenzelm@66873
   970
          stmt.bytes(7) = Build_Log.compress_errors(build_log.errors)
wenzelm@66873
   971
          stmt.string(8) = build.sources
wenzelm@66873
   972
          stmt.string(9) = cat_lines(build.input_heaps)
wenzelm@66873
   973
          stmt.string(10) = build.output_heap getOrElse ""
wenzelm@66873
   974
          stmt.int(11) = build.return_code
wenzelm@65281
   975
          stmt.execute()
wenzelm@65281
   976
        })
wenzelm@65281
   977
      }
wenzelm@65281
   978
    }
wenzelm@65281
   979
wenzelm@65320
   980
    def read_session_timing(db: SQL.Database, name: String): Properties.T =
wenzelm@65857
   981
      Properties.decode(read_bytes(db, name, Session_Info.session_timing), Some(xml_cache))
wenzelm@65286
   982
wenzelm@65320
   983
    def read_command_timings(db: SQL.Database, name: String): List[Properties.T] =
wenzelm@65320
   984
      read_properties(db, name, Session_Info.command_timings)
wenzelm@65286
   985
wenzelm@66873
   986
    def read_theory_timings(db: SQL.Database, name: String): List[Properties.T] =
wenzelm@66873
   987
      read_properties(db, name, Session_Info.theory_timings)
wenzelm@66873
   988
wenzelm@65320
   989
    def read_ml_statistics(db: SQL.Database, name: String): List[Properties.T] =
wenzelm@65320
   990
      read_properties(db, name, Session_Info.ml_statistics)
wenzelm@65286
   991
wenzelm@65320
   992
    def read_task_statistics(db: SQL.Database, name: String): List[Properties.T] =
wenzelm@65320
   993
      read_properties(db, name, Session_Info.task_statistics)
wenzelm@65286
   994
wenzelm@65937
   995
    def read_errors(db: SQL.Database, name: String): List[String] =
wenzelm@65937
   996
      Build_Log.uncompress_errors(read_bytes(db, name, Session_Info.errors))
wenzelm@65937
   997
wenzelm@65320
   998
    def read_build(db: SQL.Database, name: String): Option[Build.Session_Info] =
wenzelm@66744
   999
    {
wenzelm@66957
  1000
      if (db.tables.contains(Session_Info.table.name)) {
wenzelm@66957
  1001
        db.using_statement(Session_Info.table.select(Session_Info.build_columns,
wenzelm@66957
  1002
          Session_Info.session_name.where_equal(name)))(stmt =>
wenzelm@66957
  1003
        {
wenzelm@66957
  1004
          val res = stmt.execute_query()
wenzelm@66957
  1005
          if (!res.next()) None
wenzelm@66957
  1006
          else {
wenzelm@66957
  1007
            Some(
wenzelm@66957
  1008
              Build.Session_Info(
wenzelm@66957
  1009
                res.string(Session_Info.sources),
wenzelm@66957
  1010
                split_lines(res.string(Session_Info.input_heaps)),
wenzelm@66957
  1011
                res.string(Session_Info.output_heap) match { case "" => None case s => Some(s) },
wenzelm@66957
  1012
                res.int(Session_Info.return_code)))
wenzelm@66957
  1013
          }
wenzelm@66957
  1014
        })
wenzelm@66957
  1015
      }
wenzelm@66957
  1016
      else None
wenzelm@66744
  1017
    }
wenzelm@65281
  1018
  }
wenzelm@62631
  1019
}