src/Pure/Thy/sessions.scala
author wenzelm
Fri Sep 29 20:49:42 2017 +0200 (2017-09-29)
changeset 66717 67dbf5cdc056
parent 66716 8737b866bd1c
child 66718 514c4907ff0b
permissions -rw-r--r--
more informative loaded_theories: dependencies and syntax;
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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 pure(options: Options): Base = session_base(options, Thy_Header.PURE)
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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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        keywords = Thy_Header.bootstrap_header,
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        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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    keywords: Thy_Header.Keywords = Nil,
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    syntax: Outer_Syntax = Outer_Syntax.empty,
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    sources: List[(Path, SHA1.Digest)] = Nil,
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    session_graph: Graph_Display.Graph = Graph_Display.empty_graph,
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    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 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 sources(name: String): List[SHA1.Digest] = 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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      progress: Progress = No_Progress,
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      inlined_files: Boolean = false,
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      verbose: Boolean = false,
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      list_files: Boolean = false,
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      check_keywords: Set[String] = Set.empty,
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      global_theories: Map[String, String] = Map.empty): Deps =
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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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            {
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              val root_theories =
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                info.theories.flatMap({ case (_, thys) =>
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                  thys.map({ case (thy, pos) =>
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                    (resources.import_name(info.theory_qualifier, info.dir.implode, thy), pos) })
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                })
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              resources.thy_info.dependencies(root_theories)
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            }
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            val syntax = thy_deps.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(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 all_files =
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              (theory_files ::: loaded_files.flatMap(_._2) :::
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                info.files.map(file => info.dir + file) :::
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                info.document_files.map(file => info.dir + file._1 + file._2)).map(_.expand)
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            if (list_files)
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              progress.echo(cat_lines(all_files.map(_.implode).sorted.map("  " + _)))
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            if (check_keywords.nonEmpty)
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              Check_Keywords.check_keywords(progress, syntax.keywords, check_keywords, theory_files)
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            val session_graph: 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.theory_qualifier)
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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(
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                  sessions.imports_graph.all_preds(info.parent.toList ::: info.imports).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 =
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              for (p <- all_files if p.is_file) yield (p, SHA1.digest(p.file))
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            val sources_errors =
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              for (p <- all_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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                keywords = thy_deps.keywords,
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                syntax = syntax,
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                sources = sources,
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                session_graph = session_graph,
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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 =
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      Sessions.deps(sessions, inlined_files = inlined_files, global_theories = global_theories)
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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)
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  }
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  def session_base(
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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 =
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  {
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    val (errs, base) =
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      session_base_errors(options, session, dirs = dirs,
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        inlined_files = inlined_files, all_known = all_known)
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    if (errs.isEmpty) base else error(cat_lines(errs))
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  }
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  /* cumulative session info */
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  sealed case class Info(
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    name: String,
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    chapter: String,
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   339
    select: Boolean,
wenzelm@62631
   340
    pos: Position.T,
wenzelm@62631
   341
    groups: List[String],
wenzelm@62631
   342
    dir: Path,
wenzelm@62631
   343
    parent: Option[String],
wenzelm@62631
   344
    description: String,
wenzelm@62631
   345
    options: Options,
wenzelm@65420
   346
    imports: List[String],
wenzelm@65517
   347
    theories: List[(Options, List[(String, Position.T)])],
wenzelm@65374
   348
    global_theories: List[String],
wenzelm@62631
   349
    files: List[Path],
wenzelm@62631
   350
    document_files: List[(Path, Path)],
wenzelm@62631
   351
    meta_digest: SHA1.Digest)
wenzelm@62631
   352
  {
wenzelm@62631
   353
    def timeout: Time = Time.seconds(options.real("timeout") * options.real("timeout_scale"))
wenzelm@65456
   354
wenzelm@65520
   355
    def theory_qualifier: String =
wenzelm@65456
   356
      options.string("theory_qualifier") match {
wenzelm@65520
   357
        case "" => name
wenzelm@65457
   358
        case qualifier => qualifier
wenzelm@65456
   359
      }
wenzelm@62631
   360
  }
wenzelm@62631
   361
wenzelm@65419
   362
  object Selection
wenzelm@65419
   363
  {
wenzelm@65422
   364
    val empty: Selection = Selection()
wenzelm@65525
   365
    val all: Selection = Selection(all_sessions = true)
wenzelm@65419
   366
  }
wenzelm@65419
   367
wenzelm@65419
   368
  sealed case class Selection(
wenzelm@65419
   369
    requirements: Boolean = false,
wenzelm@65419
   370
    all_sessions: Boolean = false,
wenzelm@65419
   371
    exclude_session_groups: List[String] = Nil,
wenzelm@65419
   372
    exclude_sessions: List[String] = Nil,
wenzelm@65419
   373
    session_groups: List[String] = Nil,
wenzelm@65419
   374
    sessions: List[String] = Nil)
wenzelm@65419
   375
  {
wenzelm@65422
   376
    def + (other: Selection): Selection =
wenzelm@65422
   377
      Selection(
wenzelm@65422
   378
        requirements = requirements || other.requirements,
wenzelm@65422
   379
        all_sessions = all_sessions || other.all_sessions,
wenzelm@65422
   380
        exclude_session_groups = exclude_session_groups ::: other.exclude_session_groups,
wenzelm@65422
   381
        exclude_sessions = exclude_sessions ::: other.exclude_sessions,
wenzelm@65422
   382
        session_groups = session_groups ::: other.session_groups,
wenzelm@65422
   383
        sessions = sessions ::: other.sessions)
wenzelm@65422
   384
wenzelm@65419
   385
    def apply(graph: Graph[String, Info]): (List[String], Graph[String, Info]) =
wenzelm@65419
   386
    {
wenzelm@65419
   387
      val bad_sessions =
wenzelm@65419
   388
        SortedSet((exclude_sessions ::: sessions).filterNot(graph.defined(_)): _*).toList
wenzelm@65419
   389
      if (bad_sessions.nonEmpty) error("Undefined session(s): " + commas_quote(bad_sessions))
wenzelm@65419
   390
wenzelm@65419
   391
      val excluded =
wenzelm@65419
   392
      {
wenzelm@65419
   393
        val exclude_group = exclude_session_groups.toSet
wenzelm@65419
   394
        val exclude_group_sessions =
wenzelm@65419
   395
          (for {
wenzelm@65419
   396
            (name, (info, _)) <- graph.iterator
wenzelm@65419
   397
            if graph.get_node(name).groups.exists(exclude_group)
wenzelm@65419
   398
          } yield name).toList
wenzelm@65419
   399
        graph.all_succs(exclude_group_sessions ::: exclude_sessions).toSet
wenzelm@65419
   400
      }
wenzelm@65419
   401
wenzelm@65419
   402
      val pre_selected =
wenzelm@65419
   403
      {
wenzelm@65419
   404
        if (all_sessions) graph.keys
wenzelm@65419
   405
        else {
wenzelm@65419
   406
          val select_group = session_groups.toSet
wenzelm@65419
   407
          val select = sessions.toSet
wenzelm@65419
   408
          (for {
wenzelm@65419
   409
            (name, (info, _)) <- graph.iterator
wenzelm@65419
   410
            if info.select || select(name) || graph.get_node(name).groups.exists(select_group)
wenzelm@65419
   411
          } yield name).toList
wenzelm@65419
   412
        }
wenzelm@65419
   413
      }.filterNot(excluded)
wenzelm@65419
   414
wenzelm@65419
   415
      val selected =
wenzelm@65419
   416
        if (requirements) (graph.all_preds(pre_selected).toSet -- pre_selected).toList
wenzelm@65419
   417
        else pre_selected
wenzelm@65419
   418
wenzelm@65419
   419
      (selected, graph.restrict(graph.all_preds(selected).toSet))
wenzelm@65419
   420
    }
wenzelm@65419
   421
  }
wenzelm@65419
   422
wenzelm@65415
   423
  def make(infos: Traversable[(String, Info)]): T =
wenzelm@62631
   424
  {
wenzelm@65420
   425
    def add_edges(graph: Graph[String, Info], kind: String, edges: Info => Traversable[String])
wenzelm@65420
   426
      : Graph[String, Info] =
wenzelm@65420
   427
    {
wenzelm@65420
   428
      def add_edge(pos: Position.T, name: String, g: Graph[String, Info], parent: String) =
wenzelm@65420
   429
      {
wenzelm@65420
   430
        if (!g.defined(parent))
wenzelm@65420
   431
          error("Bad " + kind + " session " + quote(parent) + " for " +
wenzelm@65420
   432
            quote(name) + Position.here(pos))
wenzelm@65420
   433
wenzelm@65420
   434
        try { g.add_edge_acyclic(parent, name) }
wenzelm@65420
   435
        catch {
wenzelm@65420
   436
          case exn: Graph.Cycles[_] =>
wenzelm@65420
   437
            error(cat_lines(exn.cycles.map(cycle =>
wenzelm@65420
   438
              "Cyclic session dependency of " +
wenzelm@65420
   439
                cycle.map(c => quote(c.toString)).mkString(" via "))) + Position.here(pos))
wenzelm@65420
   440
        }
wenzelm@65420
   441
      }
wenzelm@65420
   442
      (graph /: graph.iterator) {
wenzelm@65420
   443
        case (g, (name, (info, _))) => (g /: edges(info))(add_edge(info.pos, name, _, _))
wenzelm@65420
   444
      }
wenzelm@65420
   445
    }
wenzelm@65420
   446
wenzelm@65420
   447
    val graph0 =
wenzelm@65415
   448
      (Graph.string[Info] /: infos) {
wenzelm@65415
   449
        case (graph, (name, info)) =>
wenzelm@65415
   450
          if (graph.defined(name))
wenzelm@65415
   451
            error("Duplicate session " + quote(name) + Position.here(info.pos) +
wenzelm@65415
   452
              Position.here(graph.get_node(name).pos))
wenzelm@65415
   453
          else graph.new_node(name, info)
wenzelm@65415
   454
      }
wenzelm@65420
   455
    val graph1 = add_edges(graph0, "parent", _.parent)
wenzelm@65420
   456
    val graph2 = add_edges(graph1, "imports", _.imports)
wenzelm@62631
   457
wenzelm@65420
   458
    new T(graph1, graph2)
wenzelm@62631
   459
  }
wenzelm@62631
   460
wenzelm@65420
   461
  final class T private[Sessions](
wenzelm@65420
   462
      val build_graph: Graph[String, Info],
wenzelm@65420
   463
      val imports_graph: Graph[String, Info])
wenzelm@62631
   464
  {
wenzelm@65420
   465
    def apply(name: String): Info = imports_graph.get_node(name)
wenzelm@65420
   466
    def get(name: String): Option[Info] =
wenzelm@65420
   467
      if (imports_graph.defined(name)) Some(imports_graph.get_node(name)) else None
wenzelm@62631
   468
wenzelm@65457
   469
    def global_theories: Map[String, String] =
wenzelm@65490
   470
      (Thy_Header.bootstrap_global_theories.toMap /:
wenzelm@65424
   471
        (for {
wenzelm@65519
   472
          (_, (info, _)) <- imports_graph.iterator
wenzelm@65519
   473
          thy <- info.global_theories.iterator }
wenzelm@65519
   474
         yield (thy, info)))({
wenzelm@65519
   475
            case (global, (thy, info)) =>
wenzelm@65520
   476
              val qualifier = info.theory_qualifier
wenzelm@65457
   477
              global.get(thy) match {
wenzelm@65457
   478
                case Some(qualifier1) if qualifier != qualifier1 =>
wenzelm@65457
   479
                  error("Duplicate global theory " + quote(thy) + Position.here(info.pos))
wenzelm@65457
   480
                case _ => global + (thy -> qualifier)
wenzelm@65457
   481
              }
wenzelm@65457
   482
          })
wenzelm@65372
   483
wenzelm@65419
   484
    def selection(select: Selection): (List[String], T) =
wenzelm@62631
   485
    {
wenzelm@65420
   486
      val (_, build_graph1) = select(build_graph)
wenzelm@65420
   487
      val (selected, imports_graph1) = select(imports_graph)
wenzelm@65420
   488
      (selected, new T(build_graph1, imports_graph1))
wenzelm@62631
   489
    }
wenzelm@62631
   490
wenzelm@65420
   491
    def build_ancestors(name: String): List[String] =
wenzelm@65420
   492
      build_graph.all_preds(List(name)).tail.reverse
wenzelm@65420
   493
wenzelm@65420
   494
    def build_descendants(names: List[String]): List[String] =
wenzelm@65420
   495
      build_graph.all_succs(names)
wenzelm@62631
   496
wenzelm@65519
   497
    def build_topological_order: List[Info] =
wenzelm@65519
   498
      build_graph.topological_order.map(apply(_))
wenzelm@62631
   499
wenzelm@65566
   500
    def imports_ancestors(name: String): List[String] =
wenzelm@65566
   501
      imports_graph.all_preds(List(name)).tail.reverse
wenzelm@65566
   502
wenzelm@65519
   503
    def imports_topological_order: List[Info] =
wenzelm@65519
   504
      imports_graph.topological_order.map(apply(_))
wenzelm@65420
   505
wenzelm@65420
   506
    override def toString: String =
wenzelm@65420
   507
      imports_graph.keys_iterator.mkString("Sessions.T(", ", ", ")")
wenzelm@62631
   508
  }
wenzelm@62631
   509
wenzelm@62631
   510
wenzelm@62631
   511
  /* parser */
wenzelm@62631
   512
wenzelm@62864
   513
  val ROOT = Path.explode("ROOT")
wenzelm@62864
   514
  val ROOTS = Path.explode("ROOTS")
wenzelm@62864
   515
wenzelm@62631
   516
  private val CHAPTER = "chapter"
wenzelm@62631
   517
  private val SESSION = "session"
wenzelm@62631
   518
  private val IN = "in"
wenzelm@62631
   519
  private val DESCRIPTION = "description"
wenzelm@62631
   520
  private val OPTIONS = "options"
wenzelm@65420
   521
  private val SESSIONS = "sessions"
wenzelm@62631
   522
  private val THEORIES = "theories"
wenzelm@65374
   523
  private val GLOBAL = "global"
wenzelm@62631
   524
  private val FILES = "files"
wenzelm@62631
   525
  private val DOCUMENT_FILES = "document_files"
wenzelm@62631
   526
wenzelm@62631
   527
  lazy val root_syntax =
wenzelm@65374
   528
    Outer_Syntax.init() + "(" + ")" + "+" + "," + "=" + "[" + "]" + GLOBAL + IN +
wenzelm@63443
   529
      (CHAPTER, Keyword.THY_DECL) +
wenzelm@63443
   530
      (SESSION, Keyword.THY_DECL) +
wenzelm@63443
   531
      (DESCRIPTION, Keyword.QUASI_COMMAND) +
wenzelm@63443
   532
      (OPTIONS, Keyword.QUASI_COMMAND) +
wenzelm@65420
   533
      (SESSIONS, Keyword.QUASI_COMMAND) +
wenzelm@63443
   534
      (THEORIES, Keyword.QUASI_COMMAND) +
wenzelm@63443
   535
      (FILES, Keyword.QUASI_COMMAND) +
wenzelm@63443
   536
      (DOCUMENT_FILES, Keyword.QUASI_COMMAND)
wenzelm@62631
   537
wenzelm@62968
   538
  private object Parser extends Parse.Parser with Options.Parser
wenzelm@62631
   539
  {
wenzelm@62631
   540
    private abstract class Entry
wenzelm@62631
   541
    private sealed case class Chapter(name: String) extends Entry
wenzelm@62631
   542
    private sealed case class Session_Entry(
wenzelm@62631
   543
      pos: Position.T,
wenzelm@62631
   544
      name: String,
wenzelm@62631
   545
      groups: List[String],
wenzelm@62631
   546
      path: String,
wenzelm@62631
   547
      parent: Option[String],
wenzelm@62631
   548
      description: String,
wenzelm@62631
   549
      options: List[Options.Spec],
wenzelm@65420
   550
      imports: List[String],
wenzelm@65517
   551
      theories: List[(List[Options.Spec], List[((String, Position.T), Boolean)])],
wenzelm@62631
   552
      files: List[String],
wenzelm@62631
   553
      document_files: List[(String, String)]) extends Entry
wenzelm@65580
   554
    {
wenzelm@65580
   555
      def theories_no_position: List[(List[Options.Spec], List[(String, Boolean)])] =
wenzelm@65580
   556
        theories.map({ case (a, b) => (a, b.map({ case ((c, _), d) => (c, d) })) })
wenzelm@65580
   557
    }
wenzelm@62631
   558
wenzelm@62631
   559
    private val chapter: Parser[Chapter] =
wenzelm@62631
   560
    {
wenzelm@62631
   561
      val chapter_name = atom("chapter name", _.is_name)
wenzelm@62631
   562
wenzelm@62631
   563
      command(CHAPTER) ~! chapter_name ^^ { case _ ~ a => Chapter(a) }
wenzelm@62631
   564
    }
wenzelm@62631
   565
wenzelm@62631
   566
    private val session_entry: Parser[Session_Entry] =
wenzelm@62631
   567
    {
wenzelm@62631
   568
      val session_name = atom("session name", _.is_name)
wenzelm@62631
   569
wenzelm@62631
   570
      val option =
wenzelm@62968
   571
        option_name ~ opt($$$("=") ~! option_value ^^
wenzelm@62968
   572
          { case _ ~ x => x }) ^^ { case x ~ y => (x, y) }
wenzelm@62631
   573
      val options = $$$("[") ~> rep1sep(option, $$$(",")) <~ $$$("]")
wenzelm@62631
   574
wenzelm@65374
   575
      val global =
wenzelm@65374
   576
        ($$$("(") ~! $$$(GLOBAL) ~ $$$(")")) ^^ { case _ => true } | success(false)
wenzelm@65374
   577
wenzelm@65374
   578
      val theory_entry =
wenzelm@65517
   579
        position(theory_name) ~ global ^^ { case x ~ y => (x, y) }
wenzelm@65374
   580
wenzelm@62631
   581
      val theories =
wenzelm@65374
   582
        $$$(THEORIES) ~!
wenzelm@65374
   583
          ((options | success(Nil)) ~ rep(theory_entry)) ^^
wenzelm@65374
   584
          { case _ ~ (x ~ y) => (x, y) }
wenzelm@62631
   585
wenzelm@62631
   586
      val document_files =
wenzelm@62631
   587
        $$$(DOCUMENT_FILES) ~!
wenzelm@62631
   588
          (($$$("(") ~! ($$$(IN) ~! (path ~ $$$(")"))) ^^
wenzelm@62631
   589
              { case _ ~ (_ ~ (x ~ _)) => x } | success("document")) ~
wenzelm@62631
   590
            rep1(path)) ^^ { case _ ~ (x ~ y) => y.map((x, _)) }
wenzelm@62631
   591
wenzelm@62631
   592
      command(SESSION) ~!
wenzelm@62631
   593
        (position(session_name) ~
wenzelm@62631
   594
          (($$$("(") ~! (rep1(name) <~ $$$(")")) ^^ { case _ ~ x => x }) | success(Nil)) ~
wenzelm@62631
   595
          (($$$(IN) ~! path ^^ { case _ ~ x => x }) | success(".")) ~
wenzelm@62631
   596
          ($$$("=") ~!
wenzelm@62631
   597
            (opt(session_name ~! $$$("+") ^^ { case x ~ _ => x }) ~
wenzelm@62631
   598
              (($$$(DESCRIPTION) ~! text ^^ { case _ ~ x => x }) | success("")) ~
wenzelm@62631
   599
              (($$$(OPTIONS) ~! options ^^ { case _ ~ x => x }) | success(Nil)) ~
wenzelm@65420
   600
              (($$$(SESSIONS) ~! rep(session_name)  ^^ { case _ ~ x => x }) | success(Nil)) ~
wenzelm@62631
   601
              rep1(theories) ~
wenzelm@62631
   602
              (($$$(FILES) ~! rep1(path) ^^ { case _ ~ x => x }) | success(Nil)) ~
wenzelm@62631
   603
              (rep(document_files) ^^ (x => x.flatten))))) ^^
wenzelm@65420
   604
        { case _ ~ ((a, pos) ~ b ~ c ~ (_ ~ (d ~ e ~ f ~ g ~ h ~ i ~ j))) =>
wenzelm@65420
   605
            Session_Entry(pos, a, b, c, d, e, f, g, h, i, j) }
wenzelm@62631
   606
    }
wenzelm@62631
   607
wenzelm@62631
   608
    def parse(options: Options, select: Boolean, dir: Path): List[(String, Info)] =
wenzelm@62631
   609
    {
wenzelm@62631
   610
      def make_info(entry_chapter: String, entry: Session_Entry): (String, Info) =
wenzelm@62631
   611
      {
wenzelm@62631
   612
        try {
wenzelm@62631
   613
          val name = entry.name
wenzelm@62631
   614
wenzelm@65445
   615
          if (name == "" || name == DRAFT) error("Bad session name")
wenzelm@65360
   616
          if (is_pure(name) && entry.parent.isDefined) error("Illegal parent session")
wenzelm@65360
   617
          if (!is_pure(name) && !entry.parent.isDefined) error("Missing parent session")
wenzelm@62631
   618
wenzelm@62631
   619
          val session_options = options ++ entry.options
wenzelm@62631
   620
wenzelm@62631
   621
          val theories =
wenzelm@65392
   622
            entry.theories.map({ case (opts, thys) => (session_options ++ opts, thys.map(_._1)) })
wenzelm@65374
   623
wenzelm@65374
   624
          val global_theories =
wenzelm@65517
   625
            for { (_, thys) <- entry.theories; ((thy, pos), global) <- thys if global }
wenzelm@65374
   626
            yield {
wenzelm@65999
   627
              val thy_name = Path.explode(thy).expand.base_name
wenzelm@65374
   628
              if (Long_Name.is_qualified(thy_name))
wenzelm@65517
   629
                error("Bad qualified name for global theory " +
wenzelm@65517
   630
                  quote(thy_name) + Position.here(pos))
wenzelm@65374
   631
              else thy_name
wenzelm@65374
   632
            }
wenzelm@65374
   633
wenzelm@62631
   634
          val files = entry.files.map(Path.explode(_))
wenzelm@62631
   635
          val document_files =
wenzelm@62631
   636
            entry.document_files.map({ case (s1, s2) => (Path.explode(s1), Path.explode(s2)) })
wenzelm@62631
   637
wenzelm@62631
   638
          val meta_digest =
wenzelm@65580
   639
            SHA1.digest((entry_chapter, name, entry.parent, entry.options, entry.imports,
wenzelm@65580
   640
              entry.theories_no_position, entry.files, entry.document_files).toString)
wenzelm@62631
   641
wenzelm@62631
   642
          val info =
wenzelm@65519
   643
            Info(name, entry_chapter, select, entry.pos, entry.groups,
wenzelm@65519
   644
              dir + Path.explode(entry.path), entry.parent, entry.description, session_options,
wenzelm@65519
   645
              entry.imports, theories, global_theories, files, document_files, meta_digest)
wenzelm@62631
   646
wenzelm@62631
   647
          (name, info)
wenzelm@62631
   648
        }
wenzelm@62631
   649
        catch {
wenzelm@62631
   650
          case ERROR(msg) =>
wenzelm@62631
   651
            error(msg + "\nThe error(s) above occurred in session entry " +
wenzelm@62631
   652
              quote(entry.name) + Position.here(entry.pos))
wenzelm@62631
   653
        }
wenzelm@62631
   654
      }
wenzelm@62631
   655
wenzelm@62631
   656
      val root = dir + ROOT
wenzelm@62631
   657
      if (root.is_file) {
wenzelm@62631
   658
        val toks = Token.explode(root_syntax.keywords, File.read(root))
wenzelm@62631
   659
        val start = Token.Pos.file(root.implode)
wenzelm@62631
   660
wenzelm@62631
   661
        parse_all(rep(chapter | session_entry), Token.reader(toks, start)) match {
wenzelm@62631
   662
          case Success(result, _) =>
wenzelm@62631
   663
            var entry_chapter = "Unsorted"
wenzelm@62631
   664
            val infos = new mutable.ListBuffer[(String, Info)]
wenzelm@62631
   665
            result.foreach {
wenzelm@62631
   666
              case Chapter(name) => entry_chapter = name
wenzelm@62631
   667
              case entry: Session_Entry => infos += make_info(entry_chapter, entry)
wenzelm@62631
   668
            }
wenzelm@62631
   669
            infos.toList
wenzelm@62631
   670
          case bad => error(bad.toString)
wenzelm@62631
   671
        }
wenzelm@62631
   672
      }
wenzelm@62631
   673
      else Nil
wenzelm@62631
   674
    }
wenzelm@62631
   675
  }
wenzelm@62631
   676
wenzelm@62631
   677
wenzelm@62635
   678
  /* load sessions from certain directories */
wenzelm@62631
   679
wenzelm@62631
   680
  private def is_session_dir(dir: Path): Boolean =
wenzelm@62631
   681
    (dir + ROOT).is_file || (dir + ROOTS).is_file
wenzelm@62631
   682
wenzelm@62631
   683
  private def check_session_dir(dir: Path): Path =
wenzelm@65468
   684
    if (is_session_dir(dir)) File.pwd() + dir.expand
wenzelm@62631
   685
    else error("Bad session root directory: " + dir.toString)
wenzelm@62631
   686
wenzelm@65561
   687
  def directories(dirs: List[Path], select_dirs: List[Path]): List[(Boolean, Path)] =
wenzelm@65561
   688
  {
wenzelm@65561
   689
    val default_dirs = Isabelle_System.components().filter(is_session_dir(_))
wenzelm@65561
   690
    (default_dirs ::: dirs).map((false, _)) ::: select_dirs.map((true, _))
wenzelm@65561
   691
  }
wenzelm@65561
   692
wenzelm@65415
   693
  def load(options: Options, dirs: List[Path] = Nil, select_dirs: List[Path] = Nil): T =
wenzelm@62631
   694
  {
wenzelm@62635
   695
    def load_dir(select: Boolean, dir: Path): List[(String, Info)] =
wenzelm@62635
   696
      load_root(select, dir) ::: load_roots(select, dir)
wenzelm@62631
   697
wenzelm@62635
   698
    def load_root(select: Boolean, dir: Path): List[(String, Info)] =
wenzelm@62631
   699
      Parser.parse(options, select, dir)
wenzelm@62631
   700
wenzelm@62635
   701
    def load_roots(select: Boolean, dir: Path): List[(String, Info)] =
wenzelm@62631
   702
    {
wenzelm@62631
   703
      val roots = dir + ROOTS
wenzelm@62631
   704
      if (roots.is_file) {
wenzelm@62631
   705
        for {
wenzelm@62631
   706
          line <- split_lines(File.read(roots))
wenzelm@62631
   707
          if !(line == "" || line.startsWith("#"))
wenzelm@62631
   708
          dir1 =
wenzelm@62631
   709
            try { check_session_dir(dir + Path.explode(line)) }
wenzelm@62631
   710
            catch {
wenzelm@62631
   711
              case ERROR(msg) =>
wenzelm@62631
   712
                error(msg + "\nThe error(s) above occurred in session catalog " + roots.toString)
wenzelm@62631
   713
            }
wenzelm@62635
   714
          info <- load_dir(select, dir1)
wenzelm@62631
   715
        } yield info
wenzelm@62631
   716
      }
wenzelm@62631
   717
      else Nil
wenzelm@62631
   718
    }
wenzelm@62631
   719
wenzelm@65415
   720
    make(
wenzelm@62631
   721
      for {
wenzelm@65561
   722
        (select, dir) <- directories(dirs, select_dirs)
wenzelm@65468
   723
        info <- load_dir(select, check_session_dir(dir))
wenzelm@62631
   724
      } yield info)
wenzelm@62631
   725
  }
wenzelm@62632
   726
wenzelm@62632
   727
wenzelm@62637
   728
wenzelm@62704
   729
  /** heap file with SHA1 digest **/
wenzelm@62704
   730
wenzelm@62704
   731
  private val sha1_prefix = "SHA1:"
wenzelm@62704
   732
wenzelm@62704
   733
  def read_heap_digest(heap: Path): Option[String] =
wenzelm@62704
   734
  {
wenzelm@62704
   735
    if (heap.is_file) {
wenzelm@62704
   736
      val file = FileChannel.open(heap.file.toPath, StandardOpenOption.READ)
wenzelm@62704
   737
      try {
wenzelm@62704
   738
        val len = file.size
wenzelm@62704
   739
        val n = sha1_prefix.length + SHA1.digest_length
wenzelm@62704
   740
        if (len >= n) {
wenzelm@62704
   741
          file.position(len - n)
wenzelm@62704
   742
wenzelm@62704
   743
          val buf = ByteBuffer.allocate(n)
wenzelm@62704
   744
          var i = 0
wenzelm@62704
   745
          var m = 0
wenzelm@62704
   746
          do {
wenzelm@62704
   747
            m = file.read(buf)
wenzelm@62704
   748
            if (m != -1) i += m
wenzelm@62704
   749
          }
wenzelm@62704
   750
          while (m != -1 && n > i)
wenzelm@62704
   751
wenzelm@62704
   752
          if (i == n) {
wenzelm@62704
   753
            val prefix = new String(buf.array(), 0, sha1_prefix.length, UTF8.charset)
wenzelm@62704
   754
            val s = new String(buf.array(), sha1_prefix.length, SHA1.digest_length, UTF8.charset)
wenzelm@62704
   755
            if (prefix == sha1_prefix) Some(s) else None
wenzelm@62704
   756
          }
wenzelm@62704
   757
          else None
wenzelm@62704
   758
        }
wenzelm@62704
   759
        else None
wenzelm@62704
   760
      }
wenzelm@62704
   761
      finally { file.close }
wenzelm@62704
   762
    }
wenzelm@62704
   763
    else None
wenzelm@62704
   764
  }
wenzelm@62704
   765
wenzelm@62704
   766
  def write_heap_digest(heap: Path): String =
wenzelm@62704
   767
    read_heap_digest(heap) match {
wenzelm@62704
   768
      case None =>
wenzelm@62704
   769
        val s = SHA1.digest(heap).rep
wenzelm@62704
   770
        File.append(heap, sha1_prefix + s)
wenzelm@62704
   771
        s
wenzelm@62704
   772
      case Some(s) => s
wenzelm@62704
   773
    }
wenzelm@62704
   774
wenzelm@62704
   775
wenzelm@62704
   776
wenzelm@62637
   777
  /** persistent store **/
wenzelm@62632
   778
wenzelm@65296
   779
  object Session_Info
wenzelm@65296
   780
  {
wenzelm@65326
   781
    val session_name = SQL.Column.string("session_name", primary_key = true)
wenzelm@65326
   782
wenzelm@65296
   783
    // Build_Log.Session_Info
wenzelm@65296
   784
    val session_timing = SQL.Column.bytes("session_timing")
wenzelm@65296
   785
    val command_timings = SQL.Column.bytes("command_timings")
wenzelm@65296
   786
    val ml_statistics = SQL.Column.bytes("ml_statistics")
wenzelm@65296
   787
    val task_statistics = SQL.Column.bytes("task_statistics")
wenzelm@65934
   788
    val errors = SQL.Column.bytes("errors")
wenzelm@65296
   789
    val build_log_columns =
wenzelm@65934
   790
      List(session_name, session_timing, command_timings, ml_statistics, task_statistics, errors)
wenzelm@65296
   791
wenzelm@65296
   792
    // Build.Session_Info
wenzelm@65296
   793
    val sources = SQL.Column.string("sources")
wenzelm@65296
   794
    val input_heaps = SQL.Column.string("input_heaps")
wenzelm@65296
   795
    val output_heap = SQL.Column.string("output_heap")
wenzelm@65296
   796
    val return_code = SQL.Column.int("return_code")
wenzelm@65296
   797
    val build_columns = List(sources, input_heaps, output_heap, return_code)
wenzelm@65296
   798
wenzelm@65296
   799
    val table = SQL.Table("isabelle_session_info", build_log_columns ::: build_columns)
wenzelm@65296
   800
  }
wenzelm@65296
   801
wenzelm@62632
   802
  def store(system_mode: Boolean = false): Store = new Store(system_mode)
wenzelm@62632
   803
wenzelm@65857
   804
  class Store private[Sessions](system_mode: Boolean)
wenzelm@62632
   805
  {
wenzelm@65278
   806
    /* file names */
wenzelm@65278
   807
wenzelm@65281
   808
    def database(name: String): Path = Path.basic("log") + Path.basic(name).ext("db")
wenzelm@65278
   809
    def log(name: String): Path = Path.basic("log") + Path.basic(name)
wenzelm@65278
   810
    def log_gz(name: String): Path = log(name).ext("gz")
wenzelm@65278
   811
wenzelm@65278
   812
wenzelm@65286
   813
    /* SQL database content */
wenzelm@65283
   814
wenzelm@65857
   815
    val xml_cache = new XML.Cache()
wenzelm@65857
   816
wenzelm@65320
   817
    def read_bytes(db: SQL.Database, name: String, column: SQL.Column): Bytes =
wenzelm@65698
   818
      db.using_statement(Session_Info.table.select(List(column),
wenzelm@65699
   819
        Session_Info.session_name.where_equal(name)))(stmt =>
wenzelm@65291
   820
      {
wenzelm@65740
   821
        val res = stmt.execute_query()
wenzelm@65740
   822
        if (!res.next()) Bytes.empty else res.bytes(column)
wenzelm@65291
   823
      })
wenzelm@65285
   824
wenzelm@65320
   825
    def read_properties(db: SQL.Database, name: String, column: SQL.Column): List[Properties.T] =
wenzelm@65857
   826
      Properties.uncompress(read_bytes(db, name, column), Some(xml_cache))
wenzelm@65286
   827
wenzelm@65283
   828
wenzelm@62637
   829
    /* output */
wenzelm@62632
   830
wenzelm@62632
   831
    val browser_info: Path =
wenzelm@62632
   832
      if (system_mode) Path.explode("~~/browser_info")
wenzelm@62632
   833
      else Path.explode("$ISABELLE_BROWSER_INFO")
wenzelm@62632
   834
wenzelm@62637
   835
    val output_dir: Path =
wenzelm@62637
   836
      if (system_mode) Path.explode("~~/heaps/$ML_IDENTIFIER")
wenzelm@62637
   837
      else Path.explode("$ISABELLE_OUTPUT")
wenzelm@62637
   838
wenzelm@65298
   839
    override def toString: String = "Store(output_dir = " + output_dir.expand + ")"
wenzelm@65298
   840
wenzelm@62637
   841
    def prepare_output() { Isabelle_System.mkdirs(output_dir + Path.basic("log")) }
wenzelm@62637
   842
wenzelm@62637
   843
wenzelm@62637
   844
    /* input */
wenzelm@62637
   845
wenzelm@62637
   846
    private val input_dirs =
wenzelm@62632
   847
      if (system_mode) List(output_dir)
wenzelm@62633
   848
      else {
wenzelm@62633
   849
        val ml_ident = Path.explode("$ML_IDENTIFIER").expand
wenzelm@62633
   850
        output_dir :: Path.split(Isabelle_System.getenv_strict("ISABELLE_PATH")).map(_ + ml_ident)
wenzelm@62633
   851
      }
wenzelm@62632
   852
wenzelm@65291
   853
    def find_database_heap(name: String): Option[(Path, Option[String])] =
wenzelm@65291
   854
      input_dirs.find(dir => (dir + database(name)).is_file).map(dir =>
wenzelm@65291
   855
        (dir + database(name), read_heap_digest(dir + Path.basic(name))))
wenzelm@62632
   856
wenzelm@65281
   857
    def find_database(name: String): Option[Path] =
wenzelm@65281
   858
      input_dirs.map(_ + database(name)).find(_.is_file)
wenzelm@65281
   859
wenzelm@62637
   860
    def heap(name: String): Path =
wenzelm@65288
   861
      input_dirs.map(_ + Path.basic(name)).find(_.is_file) getOrElse
wenzelm@62637
   862
        error("Unknown logic " + quote(name) + " -- no heap file found in:\n" +
wenzelm@62769
   863
          cat_lines(input_dirs.map(dir => "  " + dir.expand.implode)))
wenzelm@65287
   864
wenzelm@65287
   865
wenzelm@65296
   866
    /* session info */
wenzelm@65281
   867
wenzelm@65296
   868
    def write_session_info(
wenzelm@65318
   869
      db: SQL.Database,
wenzelm@65320
   870
      name: String,
wenzelm@65318
   871
      build_log: Build_Log.Session_Info,
wenzelm@65318
   872
      build: Build.Session_Info)
wenzelm@65281
   873
    {
wenzelm@65281
   874
      db.transaction {
wenzelm@65296
   875
        db.create_table(Session_Info.table)
wenzelm@65698
   876
        db.using_statement(
wenzelm@65699
   877
          Session_Info.table.delete(Session_Info.session_name.where_equal(name)))(_.execute)
wenzelm@65698
   878
        db.using_statement(Session_Info.table.insert())(stmt =>
wenzelm@65281
   879
        {
wenzelm@65748
   880
          stmt.string(1) = name
wenzelm@65857
   881
          stmt.bytes(2) = Properties.encode(build_log.session_timing)
wenzelm@65857
   882
          stmt.bytes(3) = Properties.compress(build_log.command_timings)
wenzelm@65857
   883
          stmt.bytes(4) = Properties.compress(build_log.ml_statistics)
wenzelm@65857
   884
          stmt.bytes(5) = Properties.compress(build_log.task_statistics)
wenzelm@65937
   885
          stmt.bytes(6) = Build_Log.compress_errors(build_log.errors)
wenzelm@65934
   886
          stmt.string(7) = cat_lines(build.sources)
wenzelm@65934
   887
          stmt.string(8) = cat_lines(build.input_heaps)
wenzelm@65934
   888
          stmt.string(9) = build.output_heap getOrElse ""
wenzelm@65934
   889
          stmt.int(10) = build.return_code
wenzelm@65281
   890
          stmt.execute()
wenzelm@65281
   891
        })
wenzelm@65281
   892
      }
wenzelm@65281
   893
    }
wenzelm@65281
   894
wenzelm@65320
   895
    def read_session_timing(db: SQL.Database, name: String): Properties.T =
wenzelm@65857
   896
      Properties.decode(read_bytes(db, name, Session_Info.session_timing), Some(xml_cache))
wenzelm@65286
   897
wenzelm@65320
   898
    def read_command_timings(db: SQL.Database, name: String): List[Properties.T] =
wenzelm@65320
   899
      read_properties(db, name, Session_Info.command_timings)
wenzelm@65286
   900
wenzelm@65320
   901
    def read_ml_statistics(db: SQL.Database, name: String): List[Properties.T] =
wenzelm@65320
   902
      read_properties(db, name, Session_Info.ml_statistics)
wenzelm@65286
   903
wenzelm@65320
   904
    def read_task_statistics(db: SQL.Database, name: String): List[Properties.T] =
wenzelm@65320
   905
      read_properties(db, name, Session_Info.task_statistics)
wenzelm@65286
   906
wenzelm@65937
   907
    def read_errors(db: SQL.Database, name: String): List[String] =
wenzelm@65937
   908
      Build_Log.uncompress_errors(read_bytes(db, name, Session_Info.errors))
wenzelm@65937
   909
wenzelm@65320
   910
    def read_build(db: SQL.Database, name: String): Option[Build.Session_Info] =
wenzelm@65698
   911
      db.using_statement(Session_Info.table.select(Session_Info.build_columns,
wenzelm@65699
   912
        Session_Info.session_name.where_equal(name)))(stmt =>
wenzelm@65285
   913
      {
wenzelm@65740
   914
        val res = stmt.execute_query()
wenzelm@65740
   915
        if (!res.next()) None
wenzelm@65285
   916
        else {
wenzelm@65285
   917
          Some(
wenzelm@65281
   918
            Build.Session_Info(
wenzelm@65740
   919
              split_lines(res.string(Session_Info.sources)),
wenzelm@65740
   920
              split_lines(res.string(Session_Info.input_heaps)),
wenzelm@65740
   921
              res.string(Session_Info.output_heap) match { case "" => None case s => Some(s) },
wenzelm@65740
   922
              res.int(Session_Info.return_code)))
wenzelm@65281
   923
        }
wenzelm@65281
   924
      })
wenzelm@65281
   925
  }
wenzelm@62631
   926
}