src/Pure/PIDE/isar_document.scala
author wenzelm
Wed Sep 22 22:39:17 2010 +0200 (2010-09-22)
changeset 39622 53365ba766ac
parent 39511 5f318522e6fe
child 39625 fb0c851e4f9d
permissions -rw-r--r--
Command.accumulate: refrain from adding tracing messages to markup tree -- potential scalability problem;
wenzelm@38483
     1
/*  Title:      Pure/PIDE/isar_document.scala
wenzelm@38412
     2
    Author:     Makarius
wenzelm@38412
     3
wenzelm@38567
     4
Protocol message formats for interactive Isar documents.
wenzelm@38412
     5
*/
wenzelm@38412
     6
wenzelm@38412
     7
package isabelle
wenzelm@38412
     8
wenzelm@38412
     9
wenzelm@38412
    10
object Isar_Document
wenzelm@38412
    11
{
wenzelm@38567
    12
  /* document editing */
wenzelm@38412
    13
wenzelm@38412
    14
  object Assign {
wenzelm@38414
    15
    def unapply(msg: XML.Tree)
wenzelm@38414
    16
        : Option[(Document.Version_ID, List[(Document.Command_ID, Document.Exec_ID)])] =
wenzelm@38412
    17
      msg match {
wenzelm@38414
    18
        case XML.Elem(Markup(Markup.ASSIGN, List((Markup.VERSION, Document.ID(id)))), edits) =>
wenzelm@38412
    19
          val id_edits = edits.map(Edit.unapply)
wenzelm@38414
    20
          if (id_edits.forall(_.isDefined)) Some((id, id_edits.map(_.get)))
wenzelm@38412
    21
          else None
wenzelm@38412
    22
        case _ => None
wenzelm@38412
    23
      }
wenzelm@38412
    24
  }
wenzelm@38412
    25
wenzelm@38412
    26
  object Edit {
wenzelm@38412
    27
    def unapply(msg: XML.Tree): Option[(Document.Command_ID, Document.Exec_ID)] =
wenzelm@38412
    28
      msg match {
wenzelm@38414
    29
        case XML.Elem(
wenzelm@38414
    30
          Markup(Markup.EDIT,
wenzelm@38414
    31
            List((Markup.ID, Document.ID(i)), (Markup.EXEC, Document.ID(j)))), Nil) => Some((i, j))
wenzelm@38412
    32
        case _ => None
wenzelm@38412
    33
      }
wenzelm@38412
    34
  }
wenzelm@38567
    35
wenzelm@38567
    36
wenzelm@38567
    37
  /* toplevel transactions */
wenzelm@38567
    38
wenzelm@38567
    39
  sealed abstract class Status
wenzelm@38567
    40
  case class Forked(forks: Int) extends Status
wenzelm@38567
    41
  case object Unprocessed extends Status
wenzelm@38567
    42
  case object Finished extends Status
wenzelm@38567
    43
  case object Failed extends Status
wenzelm@38567
    44
wenzelm@38581
    45
  def command_status(markup: List[Markup]): Status =
wenzelm@38567
    46
  {
wenzelm@38567
    47
    val forks = (0 /: markup) {
wenzelm@38581
    48
      case (i, Markup(Markup.FORKED, _)) => i + 1
wenzelm@38581
    49
      case (i, Markup(Markup.JOINED, _)) => i - 1
wenzelm@38567
    50
      case (i, _) => i
wenzelm@38567
    51
    }
wenzelm@38567
    52
    if (forks != 0) Forked(forks)
wenzelm@38581
    53
    else if (markup.exists(_.name == Markup.FAILED)) Failed
wenzelm@38581
    54
    else if (markup.exists(_.name == Markup.FINISHED)) Finished
wenzelm@38567
    55
    else Unprocessed
wenzelm@38567
    56
  }
wenzelm@38887
    57
wenzelm@38887
    58
wenzelm@39441
    59
  /* result messages */
wenzelm@39439
    60
wenzelm@39439
    61
  def clean_message(body: XML.Body): XML.Body =
wenzelm@39439
    62
    body filter { case XML.Elem(Markup(Markup.NO_REPORT, _), _) => false case _ => true } map
wenzelm@39439
    63
      { case XML.Elem(markup, ts) => XML.Elem(markup, clean_message(ts)) case t => t }
wenzelm@39439
    64
wenzelm@39441
    65
  def message_reports(msg: XML.Tree): List[XML.Elem] =
wenzelm@39441
    66
    msg match {
wenzelm@39441
    67
      case elem @ XML.Elem(Markup(Markup.REPORT, _), _) => List(elem)
wenzelm@39441
    68
      case XML.Elem(_, body) => body.flatMap(message_reports)
wenzelm@39441
    69
      case XML.Text(_) => Nil
wenzelm@39441
    70
    }
wenzelm@39441
    71
wenzelm@39439
    72
wenzelm@39511
    73
  /* specific messages */
wenzelm@39511
    74
wenzelm@39622
    75
  def is_tracing(msg: XML.Tree): Boolean =
wenzelm@39622
    76
    msg match {
wenzelm@39622
    77
      case XML.Elem(Markup(Markup.TRACING, _), _) => true
wenzelm@39622
    78
      case _ => false
wenzelm@39622
    79
    }
wenzelm@39622
    80
wenzelm@39511
    81
  def is_warning(msg: XML.Tree): Boolean =
wenzelm@39511
    82
    msg match {
wenzelm@39511
    83
      case XML.Elem(Markup(Markup.WARNING, _), _) => true
wenzelm@39511
    84
      case _ => false
wenzelm@39511
    85
    }
wenzelm@39511
    86
wenzelm@39511
    87
  def is_error(msg: XML.Tree): Boolean =
wenzelm@39511
    88
    msg match {
wenzelm@39511
    89
      case XML.Elem(Markup(Markup.ERROR, _), _) => true
wenzelm@39511
    90
      case _ => false
wenzelm@39511
    91
    }
wenzelm@38887
    92
wenzelm@39441
    93
  def is_state(msg: XML.Tree): Boolean =
wenzelm@39170
    94
    msg match {
wenzelm@39170
    95
      case XML.Elem(Markup(Markup.WRITELN, _), List(XML.Elem(Markup(Markup.STATE, _), _))) => true
wenzelm@39170
    96
      case _ => false
wenzelm@39170
    97
    }
wenzelm@39170
    98
wenzelm@39511
    99
wenzelm@39511
   100
  /* reported positions */
wenzelm@39511
   101
wenzelm@39441
   102
  private val include_pos = Set(Markup.BINDING, Markup.ENTITY, Markup.REPORT, Markup.POSITION)
wenzelm@39441
   103
wenzelm@39441
   104
  def message_positions(command: Command, message: XML.Elem): Set[Text.Range] =
wenzelm@38887
   105
  {
wenzelm@39441
   106
    def positions(set: Set[Text.Range], tree: XML.Tree): Set[Text.Range] =
wenzelm@38887
   107
      tree match {
wenzelm@39172
   108
        case XML.Elem(Markup(name, Position.Id_Range(id, raw_range)), body)
wenzelm@39172
   109
        if include_pos(name) && id == command.id =>
wenzelm@39172
   110
          val range = command.decode(raw_range).restrict(command.range)
wenzelm@39441
   111
          body.foldLeft(if (range.is_singularity) set else set + range)(positions)
wenzelm@39441
   112
        case XML.Elem(Markup(name, _), body) => body.foldLeft(set)(positions)
wenzelm@39042
   113
        case _ => set
wenzelm@38887
   114
      }
wenzelm@39441
   115
    val set = positions(Set.empty, message)
wenzelm@39170
   116
    if (set.isEmpty && !is_state(message))
wenzelm@39172
   117
      set ++ Position.Range.unapply(message.markup.properties).map(command.decode(_))
wenzelm@39042
   118
    else set
wenzelm@38887
   119
  }
wenzelm@38412
   120
}
wenzelm@38412
   121
wenzelm@38412
   122
wenzelm@38412
   123
trait Isar_Document extends Isabelle_Process
wenzelm@38412
   124
{
wenzelm@38412
   125
  import Isar_Document._
wenzelm@38412
   126
wenzelm@38412
   127
wenzelm@38412
   128
  /* commands */
wenzelm@38412
   129
wenzelm@38412
   130
  def define_command(id: Document.Command_ID, text: String): Unit =
wenzelm@38414
   131
    input("Isar_Document.define_command", Document.ID(id), text)
wenzelm@38412
   132
wenzelm@38412
   133
wenzelm@38417
   134
  /* document versions */
wenzelm@38412
   135
wenzelm@38417
   136
  def edit_version(old_id: Document.Version_ID, new_id: Document.Version_ID,
wenzelm@38412
   137
      edits: List[Document.Edit[Document.Command_ID]])
wenzelm@38412
   138
  {
wenzelm@38412
   139
    val arg =
wenzelm@38412
   140
      XML_Data.make_list(
wenzelm@38412
   141
        XML_Data.make_pair(XML_Data.make_string)(
wenzelm@38412
   142
          XML_Data.make_option(XML_Data.make_list(
wenzelm@38448
   143
              XML_Data.make_pair(
wenzelm@38448
   144
                XML_Data.make_option(XML_Data.make_long))(
wenzelm@38448
   145
                XML_Data.make_option(XML_Data.make_long))))))(edits)
wenzelm@38412
   146
wenzelm@38417
   147
    input("Isar_Document.edit_version",
wenzelm@38414
   148
      Document.ID(old_id), Document.ID(new_id), YXML.string_of_body(arg))
wenzelm@38412
   149
  }
wenzelm@38412
   150
}