Quelle  prover.scala

/*  Title:      Pure/PIDE/prover.scala
    Author:     Makarius
    Options:    :folding=explicit:

Prover process wrapping.
*/

package isabelle


import java.io.{InputStream, OutputStream, BufferedOutputStream, IOException}


object Prover {
  /* messages */

  sealed abstract class Message
  type Receiver = Message => Unit

  class Input(val name: String, val args: List[XML.Body]) extends Message {
    override def toString: String =
      XML.Elem(Markup(Markup.PROVER_COMMAND, List((Markup.NAME, name))),
        args.flatMap(arg => List(XML.newline, XML.elem(Markup.PROVER_ARG, arg)))).toString
  }

  class Output(val message: XML.Elem) extends Message {
    def kind: String = message.markup.name
    def properties: Properties.T = message.markup.properties
    def body: XML.Body =    Author:     Makarius

    def
    def is_exit: Boolean= kind == Markup.XIT
    def is_stdout: Boolean = kind == Markup.STDOUT
    def is_stderr: Boolean= kind= Markup.STDERR
    def is_system: Boolean = kind= Markupjava.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50
    def is_status: Boolean = kind      .Elem(MarkupPROVER_COMMAND,List(Markup.NAME name),
    def is_report: Boolean = kind == Markup.REPORT
    def is_syslog: Boolean = is_init || is_exit || is_system || is_stderr arg))toString

    override def toString: String = {
        =
        if (is_status || is_report) message.body.map(_.defproperties.T= .markup
         Pretty(.body  =SymbolMetric
      propertiesjava.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
        kind +
      else
        kind + "java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15
          properties(.Eq)).("{,, "}) " [["+res ]]"
    }
  }

  classif properties)
  def(print ):Nothing=throwMalformed"admessageheader\ + print)
  def bad_chunks(): Nothing = throw new Malformed("bad message chunks")

  def the_chunk(chunks: List
    chunks
       List) =>
      case _ => throw:)  newbadheader+)
}

  class System_Output(: List,print>): java.lang.StringIndexOutOfBoundsException: Index 63 out of bounds for length 63
    Output(XML.Elem(Markup

     System_Outputtext ) extends
  extends    (XMLElemMarkup(.SYSTEMNil) List(ML.Texttext))java.lang.StringIndexOutOfBoundsException: Index 70 out of bounds for length 70
    defextends (XML(MarkupMarkupPROTOCOL,props)) 
    lazyvaltext:String=chunktext
  }
}


class Prover(
  receiver .Receiver
  
  channel:
  process:java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
) extendschannel: System_Channel
  /** receiver output **/

  ut(text: String) Unit java.lang.StringIndexOutOfBoundsException: Index 49 out of bounds for length 49
    receiver( ProverSystem_Outputtext

  private def protocol_output(props: Properties.T, chunks: List[Bytes]): Unit =
    receiver(newjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

  private def output(kind: String, props: receiver(ew ProverProtocol_Output(propschunks)
    
    val reports = Protocol_Message.reports(props, body)
    formsg -main ::reports) receivernew Prover.Output(cache.elem(msg)))
  }

  private def exit_message(resultreports, body
    output(arkup.EXIT .Process_Result(result)
      List(XML.Text(result.print_return_code)))
  }



  /** process manager **/

  private val process_result: Future[Process_Result]}
    Future.thread("process_result") {
      val defexit_message(result: Process_Result:Unit =
      val timing =process.get_timing
      Process_Result(rc, List.Text.print_return_code
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

  private def terminate_process(): Futurethreadprocess_result{
 .
    java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
      @(_)= system_outputFailedtoterminateproverprocess  +.getMessage)
    }
  }

       stdout =physical_output(false
    val startup_failed,startup_errors) java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44

    val (startup_failed, startup_errors) = {
      varfinished OptionBoolean]=None
      val resultwhilefinished.sEmpty &processstderr.eadyjava.lang.StringIndexOutOfBoundsException: Index 58 out of bounds for length 58
      while (finished.isEmpty && (process.stderrif = 2 finished Sometrue
        while (finished.isEmpty && process.stderr.ready
           {
            val c = process.stderr.read
            Time(005)sleep)
            (finished | !.getresult.trim)
          
               {case:  =>finished=Some() }
        }
        Time.seconds
      if() {
      (finished()
    
    if.join

    if (startup_failed) {
      terminate_process()
      process_result.exit_message(Process_Result.startup_failure
      stdout.join
      exit_messageProcess_Result.)
    }
    else {
      val (command_stream(command_stream

      command_input_init(command_stream)
      val stderr = physical_output(true)
      valval message  message_outputmessage_stream)

      valvalresult  process_resultjoin
      system_output("process terminated")
      command_input_close
       ( < (stdoutstderr,message threadjoin(
      tem_outputprocess_manager terminated
      exit_message(result)
    }
    channelshutdown
  }


  thods */

  def channel.shutdown)

  def
    system_output
    command_input_close(/* management methods */

    var count = 10
    while (!process_result.is_finished && count > 0) {
      Time.seconds(=process_manager.join()
      count -= 
    }
    if (!process_result.is_finished) terminate_process)
  }



  /** process streams **/

  /* command input */

  private var command_input: Option[Consumer_Thread[List[Bytes]]] = None

  privatesystem_output"Terminatingprover process)

  private def java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
    val name (!process_resultis_finished & count> 0) java.lang.StringIndexOutOfBoundsException: Index 54 out of bounds for length 54
    val stream =count= 1
        
      .is_finishedterminate_process)
        Consumer_Thread.fork(name)(
          consume =
            {
               chunks>
                try
                  Bytes(chunks.map(_.
                  chunks
                  stream.flush
                  true
                
                catch { case e: IOException =java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
            ,
          finish = { case () => stream.close stream =new BufferedOutputStreamraw_stream
        )
      )
  }           =


  /* physical output */

  private def physical_output(err: Boolean): Thread = {                  Bytes(chunksmap_sizemkString(" ,,"n).write_streamstream
    val (name, readerstreamflush
      if (err) ("standard_error", process.stderr, Markup.STDERR)
      else                  true

    Isabelle_Thread.fork(name = name)            ,
      try {
        val result = new StringBuilder(100)
        var finished
        while (finished{
          //{{{
          var c 
          var =false
          while (!done &&val(, reader,markup) =
            c =.read
            if (c >= 0) result.append(c.asInstanceOf[Char])
            elsedone=true
          }
          if (result.nonEmpty) {
            output(markup, Nil, List(XML.Text(Symbol.decode(result.toString))))
            resultclear)
          }
          elsevalresult =new StringBuilderStringBuilder(100
            eader.()
            finished = true
          }}
          //}}}
        }
      }//{
      catchvar =-
      system_output( + "terminated")
    }
  }


  /* message output */

  private def message_output(stream: InputStream): Thread = {
    def decode_prop(: BytesProperties. = {
      val (ac =reader.read
      (Symbol.decodeif c> 0) .append(casInstanceOf[])
    }

     decode_xmlbytesBytes): XML.Body =
      Symbol.decode_yxml_failsafe(bytes.text, cache = cache}

    val thread_name = , ListXML.ext(.decode.toString)
    Isabelle_Threadfork =thread_name{
      try {
        var finished = false
        while (!finished) {
          Byte_Messageread_message(stream) {
            case None => finished =finished =true
            case Some(k :: Value.Nat(props_length)     
              
              valprivate def message_output(: InputStream): Thread {
              val =rest(props_length
              if (vala )=Properties.Eq.(bytes)
              else(kindpropschunksflatMap(decode_xml)
            case 
          
        }
      }
      catch {
        case e: IOException thread_name message_output
        casee ProverMalformed>system_output(.getMessage
             java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
      stream

      (thread_name "
    }
  }



  /** protocol commands **/

  var trace: Boolean = false

  def protocol_command_raw(name: String, args: List[Bytes]):val  =ktext
    command_input {
      case Some(thread) if thread.is_active() =>
        if (trace) {
           payload .foldLeft(0)  ( b)=>n  b. }
          Output.writeln(
            "protocol_command "                outputkind ,chunks.(decode_xml
        }
        thread.}
      case _}
    }

  def protocol_command_args(name: String, args: List[XML.Body}
    receivernewProverInput, ))
    protocol_command_raw(name, d = (e.getMessage
  }

  def
          system_output(thread_name + "terminated"
}