/* Title: Pure/PIDE/protocol.scala
Author: Makarius
Protocol message formats for interactive proof documents.
*/
package isabelle
object Protocol
{
/* document editing */
object Assign_Update
{
def unapply(text: String): Option[(Document_ID.Version, Document.Assign_Update)] =
try {
import XML.Decode._
val body = YXML.parse_body(text)
Some(pair(long, list(pair(long, list(long))))(body))
}
catch {
case ERROR(_) => None
case _: XML.Error => None
}
}
object Removed
{
def unapply(text: String): Option[List[Document_ID.Version]] =
try {
import XML.Decode._
Some(list(long)(YXML.parse_body(text)))
}
catch {
case ERROR(_) => None
case _: XML.Error => None
}
}
/* command status */
object Status
{
def make(markup_iterator: Iterator[Markup]): Status =
{
var touched = false
var accepted = false
var warned = false
var failed = false
var forks = 0
var runs = 0
for (markup <- markup_iterator) {
markup.name match {
case Markup.ACCEPTED => accepted = true
case Markup.FORKED => touched = true; forks += 1
case Markup.JOINED => forks -= 1
case Markup.RUNNING => touched = true; runs += 1
case Markup.FINISHED => runs -= 1
case Markup.WARNING | Markup.LEGACY => warned = true
case Markup.FAILED | Markup.ERROR => failed = true
case _ =>
}
}
Status(touched, accepted, warned, failed, forks, runs)
}
val empty = make(Iterator.empty)
def merge(status_iterator: Iterator[Status]): Status =
if (status_iterator.hasNext) {
val status0 = status_iterator.next
(status0 /: status_iterator)(_ + _)
}
else empty
}
sealed case class Status(
private val touched: Boolean,
private val accepted: Boolean,
private val warned: Boolean,
private val failed: Boolean,
forks: Int,
runs: Int)
{
def + (that: Status): Status =
Status(
touched || that.touched,
accepted || that.accepted,
warned || that.warned,
failed || that.failed,
forks + that.forks,
runs + that.runs)
def is_unprocessed: Boolean = accepted && !failed && (!touched || (forks != 0 && runs == 0))
def is_running: Boolean = runs != 0
def is_warned: Boolean = warned
def is_failed: Boolean = failed
def is_finished: Boolean = !failed && touched && forks == 0 && runs == 0
}
val proper_status_elements =
Markup.Elements(Markup.ACCEPTED, Markup.FORKED, Markup.JOINED, Markup.RUNNING,
Markup.FINISHED, Markup.FAILED)
val liberal_status_elements =
proper_status_elements + Markup.WARNING + Markup.LEGACY + Markup.ERROR
/* command timing */
object Command_Timing
{
def unapply(props: Properties.T): Option[(Document_ID.Generic, isabelle.Timing)] =
props match {
case (Markup.FUNCTION, Markup.COMMAND_TIMING) :: args =>
(args, args) match {
case (Position.Id(id), Markup.Timing_Properties(timing)) => Some((id, timing))
case _ => None
}
case _ => None
}
}
/* node status */
sealed case class Node_Status(
unprocessed: Int, running: Int, warned: Int, failed: Int, finished: Int)
{
def total: Int = unprocessed + running + warned + failed + finished
}
def node_status(
state: Document.State, version: Document.Version, node: Document.Node): Node_Status =
{
var unprocessed = 0
var running = 0
var warned = 0
var failed = 0
var finished = 0
for (command <- node.commands.iterator) {
val states = state.command_states(version, command)
val status = Status.merge(states.iterator.map(_.protocol_status))
if (status.is_running) running += 1
else if (status.is_failed) failed += 1
else if (status.is_warned) warned += 1
else if (status.is_finished) finished += 1
else unprocessed += 1
}
Node_Status(unprocessed, running, warned, failed, finished)
}
/* node timing */
sealed case class Node_Timing(total: Double, commands: Map[Command, Double])
val empty_node_timing = Node_Timing(0.0, Map.empty)
def node_timing(
state: Document.State,
version: Document.Version,
node: Document.Node,
threshold: Double): Node_Timing =
{
var total = 0.0
var commands = Map.empty[Command, Double]
for {
command <- node.commands.iterator
st <- state.command_states(version, command)
} {
val command_timing =
(0.0 /: st.status)({
case (timing, Markup.Timing(t)) => timing + t.elapsed.seconds
case (timing, _) => timing
})
total += command_timing
if (command_timing >= threshold) commands += (command -> command_timing)
}
Node_Timing(total, commands)
}
/* result messages */
def is_result(msg: XML.Tree): Boolean =
msg match {
case XML.Elem(Markup(Markup.RESULT, _), _) => true
case _ => false
}
def is_tracing(msg: XML.Tree): Boolean =
msg match {
case XML.Elem(Markup(Markup.TRACING, _), _) => true
case XML.Elem(Markup(Markup.TRACING_MESSAGE, _), _) => true
case _ => false
}
def is_state(msg: XML.Tree): Boolean =
msg match {
case XML.Elem(Markup(Markup.STATE, _), _) => true
case XML.Elem(Markup(Markup.STATE_MESSAGE, _), _) => true
case _ => false
}
def is_information(msg: XML.Tree): Boolean =
msg match {
case XML.Elem(Markup(Markup.INFORMATION, _), _) => true
case XML.Elem(Markup(Markup.INFORMATION_MESSAGE, _), _) => true
case _ => false
}
def is_warning(msg: XML.Tree): Boolean =
msg match {
case XML.Elem(Markup(Markup.WARNING, _), _) => true
case XML.Elem(Markup(Markup.WARNING_MESSAGE, _), _) => true
case _ => false
}
def is_legacy(msg: XML.Tree): Boolean =
msg match {
case XML.Elem(Markup(Markup.LEGACY, _), _) => true
case XML.Elem(Markup(Markup.LEGACY_MESSAGE, _), _) => true
case _ => false
}
def is_error(msg: XML.Tree): Boolean =
msg match {
case XML.Elem(Markup(Markup.ERROR, _), _) => true
case XML.Elem(Markup(Markup.ERROR_MESSAGE, _), _) => true
case _ => false
}
def is_inlined(msg: XML.Tree): Boolean =
!(is_result(msg) || is_tracing(msg) || is_state(msg))
/* dialogs */
object Dialog_Args
{
def unapply(props: Properties.T): Option[(Document_ID.Generic, Long, String)] =
(props, props, props) match {
case (Position.Id(id), Markup.Serial(serial), Markup.Result(result)) =>
Some((id, serial, result))
case _ => None
}
}
object Dialog
{
def unapply(tree: XML.Tree): Option[(Document_ID.Generic, Long, String)] =
tree match {
case XML.Elem(Markup(Markup.DIALOG, Dialog_Args(id, serial, result)), _) =>
Some((id, serial, result))
case _ => None
}
}
object Dialog_Result
{
def apply(id: Document_ID.Generic, serial: Long, result: String): XML.Elem =
{
val props = Position.Id(id) ::: Markup.Serial(serial)
XML.Elem(Markup(Markup.RESULT, props), List(XML.Text(result)))
}
def unapply(tree: XML.Tree): Option[String] =
tree match {
case XML.Elem(Markup(Markup.RESULT, _), List(XML.Text(result))) => Some(result)
case _ => None
}
}
}
trait Protocol
{
/* text */
def encode(s: String): String
def decode(s: String): String
object Encode
{
val string: XML.Encode.T[String] = (s => XML.Encode.string(encode(s)))
}
/* protocol commands */
def protocol_command_bytes(name: String, args: Bytes*): Unit
def protocol_command(name: String, args: String*): Unit
/* options */
def options(opts: Options): Unit =
protocol_command("Prover.options", YXML.string_of_body(opts.encode))
/* interned items */
def define_blob(digest: SHA1.Digest, bytes: Bytes): Unit =
protocol_command_bytes("Document.define_blob", Bytes(digest.toString), bytes)
private def resolve_id(id: String, body: XML.Body): XML.Body =
{
def resolve_property(p: (String, String)): (String, String) =
if (p._1 == Markup.ID && p._2 == Markup.COMMAND) (Markup.ID, id) else p
def resolve_markup(markup: Markup): Markup =
Markup(markup.name, markup.properties.map(resolve_property))
def resolve_tree(t: XML.Tree): XML.Tree =
t match {
case XML.Wrapped_Elem(markup, ts1, ts2) =>
XML.Wrapped_Elem(resolve_markup(markup), ts1.map(resolve_tree _), ts2.map(resolve_tree _))
case XML.Elem(markup, ts) =>
XML.Elem(resolve_markup(markup), ts.map(resolve_tree _))
case text => text
}
body.map(resolve_tree _)
}
private def resolve_id(id: String, s: String): XML.Body =
try { resolve_id(id, YXML.parse_body(s)) }
catch { case ERROR(_) => XML.Encode.string(s) }
def define_command(command: Command)
{
val blobs_yxml =
{ import XML.Encode._
val encode_blob: T[Command.Blob] =
variant(List(
{ case Exn.Res((a, b)) =>
(Nil, pair(string, option(string))((a.node, b.map(p => p._1.toString)))) },
{ case Exn.Exn(e) => (Nil, resolve_id(command.id.toString, Exn.message(e))) }))
YXML.string_of_body(pair(list(encode_blob), int)(command.blobs, command.blobs_index))
}
val toks = command.span.content
val toks_yxml =
{ import XML.Encode._
val encode_tok: T[Token] =
(tok => pair(int, int)((tok.kind.id, Symbol.iterator(tok.source).length)))
YXML.string_of_body(list(encode_tok)(toks))
}
protocol_command("Document.define_command",
(Document_ID(command.id) :: encode(command.name) :: blobs_yxml :: toks_yxml ::
toks.map(tok => encode(tok.source))): _*)
}
/* execution */
def discontinue_execution(): Unit =
protocol_command("Document.discontinue_execution")
def cancel_exec(id: Document_ID.Exec): Unit =
protocol_command("Document.cancel_exec", Document_ID(id))
/* document versions */
def update(old_id: Document_ID.Version, new_id: Document_ID.Version,
edits: List[Document.Edit_Command])
{
val edits_yxml =
{ import XML.Encode._
def id: T[Command] = (cmd => long(cmd.id))
def encode_edit(name: Document.Node.Name)
: T[Document.Node.Edit[Command.Edit, Command.Perspective]] =
variant(List(
{ case Document.Node.Edits(a) => (Nil, list(pair(option(id), option(id)))(a)) },
{ case Document.Node.Deps(header) =>
val master_dir = Isabelle_System.posix_path_url(name.master_dir)
val theory = Long_Name.base_name(name.theory)
val imports = header.imports.map({ case (a, _) => a.node })
val keywords = header.keywords.map({ case (a, b, _) => (a, b) })
(Nil,
pair(Encode.string, pair(Encode.string, pair(list(Encode.string),
pair(list(pair(Encode.string,
option(pair(pair(Encode.string, list(Encode.string)), list(Encode.string))))),
list(Encode.string)))))(
(master_dir, (theory, (imports, (keywords, header.errors)))))) },
{ case Document.Node.Perspective(a, b, c) =>
(bool_atom(a) :: b.commands.map(cmd => long_atom(cmd.id)),
list(pair(id, pair(Encode.string, list(Encode.string))))(c.dest)) }))
def encode_edits: T[List[Document.Edit_Command]] = list((node_edit: Document.Edit_Command) =>
{
val (name, edit) = node_edit
pair(string, encode_edit(name))(name.node, edit)
})
YXML.string_of_body(encode_edits(edits)) }
protocol_command("Document.update", Document_ID(old_id), Document_ID(new_id), edits_yxml)
}
def remove_versions(versions: List[Document.Version])
{
val versions_yxml =
{ import XML.Encode._
YXML.string_of_body(list(long)(versions.map(_.id))) }
protocol_command("Document.remove_versions", versions_yxml)
}
/* dialog via document content */
def dialog_result(serial: Long, result: String): Unit =
protocol_command("Document.dialog_result", Properties.Value.Long(serial), result)
/* build_theories */
def build_theories(id: String, master_dir: Path, theories: List[(Options, List[Path])])
{
val theories_yxml =
{ import XML.Encode._
YXML.string_of_body(list(pair(Options.encode, list(Path.encode)))(theories)) }
protocol_command("build_theories", id, master_dir.implode, theories_yxml)
}
}