author | wenzelm |
Sat, 28 Feb 2009 18:00:20 +0100 | |
changeset 30173 | eabece26b89b |
parent 29648 | src/Pure/Tools/isabelle_process.scala@ead544f3d6a1 |
child 31498 | be0f7f4f9e12 |
permissions | -rw-r--r-- |
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/* Title: Pure/System/isabelle_process.ML |
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Author: Makarius |
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Options: :folding=explicit:collapseFolds=1: |
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Isabelle process management -- always reactive due to multi-threaded I/O. |
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*/ |
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package isabelle |
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use java.util.concurrent.LinkedBlockingQueue, which blocks as required;
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import java.util.concurrent.LinkedBlockingQueue |
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import java.io.{BufferedReader, BufferedWriter, InputStreamReader, OutputStreamWriter, |
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InputStream, OutputStream, IOException} |
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object IsabelleProcess { |
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/* results */ |
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object Kind extends Enumeration { |
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//{{{ values and codes |
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// internal system notification |
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val SYSTEM = Value("SYSTEM") |
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// Posix channels/events |
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val STDIN = Value("STDIN") |
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val STDOUT = Value("STDOUT") |
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val SIGNAL = Value("SIGNAL") |
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val EXIT = Value("EXIT") |
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// Isabelle messages |
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val INIT = Value("INIT") |
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val STATUS = Value("STATUS") |
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val WRITELN = Value("WRITELN") |
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val PRIORITY = Value("PRIORITY") |
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val TRACING = Value("TRACING") |
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val WARNING = Value("WARNING") |
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val ERROR = Value("ERROR") |
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val DEBUG = Value("DEBUG") |
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// messages codes |
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val code = Map( |
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('A' : Int) -> Kind.INIT, |
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('B' : Int) -> Kind.STATUS, |
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('C' : Int) -> Kind.WRITELN, |
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('D' : Int) -> Kind.PRIORITY, |
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('E' : Int) -> Kind.TRACING, |
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('F' : Int) -> Kind.WARNING, |
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('G' : Int) -> Kind.ERROR, |
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('H' : Int) -> Kind.DEBUG, |
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('0' : Int) -> Kind.SYSTEM, |
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('1' : Int) -> Kind.STDIN, |
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('2' : Int) -> Kind.STDOUT, |
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('3' : Int) -> Kind.SIGNAL, |
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('4' : Int) -> Kind.EXIT) |
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// message markup |
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val markup = Map( |
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Kind.INIT -> Markup.INIT, |
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Kind.STATUS -> Markup.STATUS, |
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Kind.WRITELN -> Markup.WRITELN, |
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Kind.PRIORITY -> Markup.PRIORITY, |
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Kind.TRACING -> Markup.TRACING, |
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Kind.WARNING -> Markup.WARNING, |
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Kind.ERROR -> Markup.ERROR, |
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Kind.DEBUG -> Markup.DEBUG, |
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Kind.SYSTEM -> Markup.SYSTEM, |
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Kind.STDIN -> Markup.STDIN, |
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Kind.STDOUT -> Markup.STDOUT, |
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Kind.SIGNAL -> Markup.SIGNAL, |
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Kind.EXIT -> Markup.EXIT) |
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//}}} |
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def is_raw(kind: Value) = |
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kind == STDOUT |
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def is_control(kind: Value) = |
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kind == SYSTEM || |
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kind == SIGNAL || |
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kind == EXIT |
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def is_system(kind: Value) = |
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kind == SYSTEM || |
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kind == STDIN || |
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kind == SIGNAL || |
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kind == EXIT || |
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kind == STATUS |
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} |
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class Result(val kind: Kind.Value, val props: List[(String, String)], val result: String) { |
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override def toString = { |
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val trees = YXML.parse_body_failsafe(result) |
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val res = |
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if (kind == Kind.STATUS) trees.map(_.toString).mkString |
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else trees.flatMap(XML.content(_).mkString).mkString |
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if (props.isEmpty) |
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kind.toString + " [[" + res + "]]" |
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else |
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kind.toString + " " + |
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(for ((x, y) <- props) yield x + "=" + y).mkString("{", ",", "}") + " [[" + res + "]]" |
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} |
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def is_raw = Kind.is_raw(kind) |
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def is_control = Kind.is_control(kind) |
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def is_system = Kind.is_system(kind) |
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} |
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def parse_message(isabelle_system: IsabelleSystem, result: Result) = |
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{ |
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XML.Elem(Markup.MESSAGE, (Markup.CLASS, Kind.markup(result.kind)) :: result.props, |
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YXML.parse_body_failsafe(isabelle_system.symbols.decode(result.result))) |
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} |
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} |
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class IsabelleProcess(isabelle_system: IsabelleSystem, |
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results: EventBus[IsabelleProcess.Result], args: String*) |
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{ |
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import IsabelleProcess._ |
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/* demo constructor */ |
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def this(args: String*) = |
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this(new IsabelleSystem, new EventBus[IsabelleProcess.Result] + Console.println, args: _*) |
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/* process information */ |
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@volatile private var proc: Process = null |
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@volatile private var closing = false |
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@volatile private var pid: String = null |
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@volatile private var the_session: String = null |
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def session = the_session |
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/* results */ |
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def parse_message(result: Result): XML.Tree = |
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IsabelleProcess.parse_message(isabelle_system, result) |
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private val result_queue = new LinkedBlockingQueue[Result] |
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private def put_result(kind: Kind.Value, props: List[(String, String)], result: String) |
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{ |
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if (kind == Kind.INIT) { |
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val map = Map(props: _*) |
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if (map.isDefinedAt(Markup.PID)) pid = map(Markup.PID) |
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if (map.isDefinedAt(Markup.SESSION)) the_session = map(Markup.SESSION) |
27963 | 141 |
} |
29192 | 142 |
result_queue.put(new Result(kind, props, result)) |
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} |
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144 |
|
29192 | 145 |
private class ResultThread extends Thread("isabelle: results") { |
146 |
override def run() = { |
|
147 |
var finished = false |
|
148 |
while (!finished) { |
|
149 |
val result = |
|
150 |
try { result_queue.take } |
|
151 |
catch { case _: NullPointerException => null } |
|
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152 |
|
29192 | 153 |
if (result != null) { |
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results.event(result) |
29192 | 155 |
if (result.kind == Kind.EXIT) finished = true |
156 |
} |
|
157 |
else finished = true |
|
158 |
} |
|
159 |
} |
|
27992 | 160 |
} |
161 |
||
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162 |
|
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163 |
/* signals */ |
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164 |
|
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165 |
def interrupt() = synchronized { |
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166 |
if (proc == null) error("Cannot interrupt Isabelle: no process") |
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if (pid == null) put_result(Kind.SYSTEM, Nil, "Cannot interrupt: unknown pid") |
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168 |
else { |
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169 |
try { |
29178 | 170 |
if (isabelle_system.execute(true, "kill", "-INT", pid).waitFor == 0) |
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put_result(Kind.SIGNAL, Nil, "INT") |
27990 | 172 |
else |
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put_result(Kind.SYSTEM, Nil, "Cannot interrupt: kill command failed") |
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174 |
} |
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175 |
catch { case e: IOException => error("Cannot interrupt Isabelle: " + e.getMessage) } |
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176 |
} |
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|
177 |
} |
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|
178 |
|
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179 |
def kill() = synchronized { |
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|
180 |
if (proc == 0) error("Cannot kill Isabelle: no process") |
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181 |
else { |
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182 |
try_close() |
27990 | 183 |
Thread.sleep(500) |
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184 |
put_result(Kind.SIGNAL, Nil, "KILL") |
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185 |
proc.destroy |
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186 |
proc = null |
27990 | 187 |
pid = null |
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188 |
} |
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|
189 |
} |
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|
190 |
|
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|
191 |
|
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192 |
/* output being piped into the process */ |
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193 |
|
27990 | 194 |
private val output = new LinkedBlockingQueue[String] |
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195 |
|
28045 | 196 |
private def output_raw(text: String) = synchronized { |
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197 |
if (proc == null) error("Cannot output to Isabelle: no process") |
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|
198 |
if (closing) error("Cannot output to Isabelle: already closing") |
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199 |
output.put(text) |
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|
200 |
} |
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|
201 |
|
28303 | 202 |
def output_sync(text: String) = |
28045 | 203 |
output_raw(" \\<^sync>\n; " + text + " \\<^sync>;\n") |
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204 |
|
27963 | 205 |
|
206 |
def command(text: String) = |
|
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|
207 |
output_sync("Isabelle.command " + IsabelleSyntax.encode_string(text)) |
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|
208 |
|
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|
209 |
def command(props: List[(String, String)], text: String) = |
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|
210 |
output_sync("Isabelle.command " + IsabelleSyntax.encode_properties(props) + " " + |
6eb0327c0b9b
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|
211 |
IsabelleSyntax.encode_string(text)) |
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changeset
|
212 |
|
27963 | 213 |
def ML(text: String) = |
27949
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changeset
|
214 |
output_sync("ML_val " + IsabelleSyntax.encode_string(text)) |
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Isabelle process management -- always reactive due to multi-threaded I/O.
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parents:
diff
changeset
|
215 |
|
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wenzelm
parents:
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changeset
|
216 |
def close() = synchronized { // FIXME watchdog/timeout |
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
217 |
output_raw("\u0000") |
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Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
218 |
closing = true |
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Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
219 |
} |
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Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
220 |
|
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
221 |
def try_close() = synchronized { |
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
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parents:
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changeset
|
222 |
if (proc != null && !closing) { |
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
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parents:
diff
changeset
|
223 |
try { close() } |
27993
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diff
changeset
|
224 |
catch { case _: RuntimeException => } |
27949
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Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
225 |
} |
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Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
226 |
} |
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
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parents:
diff
changeset
|
227 |
|
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
228 |
|
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
229 |
/* stdin */ |
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Isabelle process management -- always reactive due to multi-threaded I/O.
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changeset
|
230 |
|
28045 | 231 |
private class StdinThread(out_stream: OutputStream) extends Thread("isabelle: stdin") { |
27949
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changeset
|
232 |
override def run() = { |
29174 | 233 |
val writer = new BufferedWriter(new OutputStreamWriter(out_stream, isabelle_system.charset)) |
27949
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wenzelm
parents:
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changeset
|
234 |
var finished = false |
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
235 |
while (!finished) { |
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
236 |
try { |
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
237 |
//{{{ |
27955
4c32c5e75eca
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diff
changeset
|
238 |
val s = output.take |
27949
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
239 |
if (s == "\u0000") { |
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
240 |
writer.close |
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
241 |
finished = true |
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
242 |
} |
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
243 |
else { |
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diff
changeset
|
244 |
put_result(Kind.STDIN, Nil, s) |
27949
6eb0327c0b9b
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wenzelm
parents:
diff
changeset
|
245 |
writer.write(s) |
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
246 |
writer.flush |
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
247 |
} |
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
248 |
//}}} |
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
249 |
} |
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
250 |
catch { |
29572
e3a99d957392
replaced java.util.Properties by plain association list;
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parents:
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diff
changeset
|
251 |
case e: IOException => put_result(Kind.SYSTEM, Nil, "Stdin thread: " + e.getMessage) |
27949
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
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parents:
diff
changeset
|
252 |
} |
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
253 |
} |
29572
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changeset
|
254 |
put_result(Kind.SYSTEM, Nil, "Stdin thread terminated") |
27949
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Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
255 |
} |
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
256 |
} |
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
257 |
|
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
258 |
|
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
259 |
/* stdout */ |
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
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parents:
diff
changeset
|
260 |
|
28045 | 261 |
private class StdoutThread(in_stream: InputStream) extends Thread("isabelle: stdout") { |
27949
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Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
262 |
override def run() = { |
29174 | 263 |
val reader = new BufferedReader(new InputStreamReader(in_stream, isabelle_system.charset)) |
28045 | 264 |
var result = new StringBuilder(100) |
27949
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
265 |
|
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
266 |
var finished = false |
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
267 |
while (!finished) { |
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
268 |
try { |
28045 | 269 |
//{{{ |
270 |
var c = -1 |
|
271 |
var done = false |
|
272 |
while (!done && (result.length == 0 || reader.ready)) { |
|
273 |
c = reader.read |
|
274 |
if (c >= 0) result.append(c.asInstanceOf[Char]) |
|
275 |
else done = true |
|
276 |
} |
|
277 |
if (result.length > 0) { |
|
29572
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parents:
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diff
changeset
|
278 |
put_result(Kind.STDOUT, Nil, result.toString) |
28045 | 279 |
result.length = 0 |
27949
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
280 |
} |
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
281 |
else { |
28045 | 282 |
reader.close |
283 |
finished = true |
|
284 |
try_close() |
|
27949
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
285 |
} |
28045 | 286 |
//}}} |
27963 | 287 |
} |
288 |
catch { |
|
29572
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changeset
|
289 |
case e: IOException => put_result(Kind.SYSTEM, Nil, "Stdout thread: " + e.getMessage) |
27949
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Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
290 |
} |
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
291 |
} |
29572
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|
292 |
put_result(Kind.SYSTEM, Nil, "Stdout thread terminated") |
27949
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Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
293 |
} |
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
294 |
} |
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
295 |
|
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
296 |
|
28045 | 297 |
/* messages */ |
27949
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Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
298 |
|
28045 | 299 |
private class MessageThread(fifo: String) extends Thread("isabelle: messages") { |
27949
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
300 |
override def run() = { |
29174 | 301 |
val reader = isabelle_system.fifo_reader(fifo) |
28045 | 302 |
var kind: Kind.Value = null |
29572
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wenzelm
parents:
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diff
changeset
|
303 |
var props: List[(String, String)] = Nil |
28045 | 304 |
var result = new StringBuilder |
27949
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
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parents:
diff
changeset
|
305 |
|
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changeset
|
306 |
var finished = false |
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parents:
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changeset
|
307 |
while (!finished) { |
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|
308 |
try { |
28063 | 309 |
if (kind == null) { |
310 |
//{{{ Char mode -- resync |
|
311 |
var c = -1 |
|
312 |
do { |
|
313 |
c = reader.read |
|
314 |
if (c >= 0 && c != 2) result.append(c.asInstanceOf[Char]) |
|
315 |
} while (c >= 0 && c != 2) |
|
316 |
||
317 |
if (result.length > 0) { |
|
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replaced java.util.Properties by plain association list;
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|
318 |
put_result(Kind.SYSTEM, Nil, "Malformed message:\n" + result.toString) |
28063 | 319 |
result.length = 0 |
320 |
} |
|
321 |
if (c < 0) { |
|
322 |
reader.close |
|
323 |
finished = true |
|
324 |
try_close() |
|
28045 | 325 |
} |
326 |
else { |
|
28344
f4a17868bde5
protocol change: remapped message codes to make room for nested system messages (e.g. for protocol proxy);
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parents:
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diff
changeset
|
327 |
c = reader.read |
f4a17868bde5
protocol change: remapped message codes to make room for nested system messages (e.g. for protocol proxy);
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parents:
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diff
changeset
|
328 |
if (Kind.code.isDefinedAt(c)) kind = Kind.code(c) |
f4a17868bde5
protocol change: remapped message codes to make room for nested system messages (e.g. for protocol proxy);
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|
329 |
else kind = null |
28063 | 330 |
} |
331 |
//}}} |
|
332 |
} |
|
333 |
else { |
|
334 |
//{{{ Line mode |
|
335 |
val line = reader.readLine |
|
336 |
if (line == null) { |
|
337 |
reader.close |
|
338 |
finished = true |
|
339 |
try_close() |
|
340 |
} |
|
341 |
else { |
|
342 |
val len = line.length |
|
343 |
// property |
|
344 |
if (line.endsWith("\u0002,")) { |
|
345 |
val i = line.indexOf('=') |
|
346 |
if (i > 0) { |
|
347 |
val name = line.substring(0, i) |
|
348 |
val value = line.substring(i + 1, len - 2) |
|
29572
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replaced java.util.Properties by plain association list;
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parents:
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diff
changeset
|
349 |
props = (name, value) :: props |
28045 | 350 |
} |
351 |
} |
|
28063 | 352 |
// last text line |
353 |
else if (line.endsWith("\u0002.")) { |
|
354 |
result.append(line.substring(0, len - 2)) |
|
29572
e3a99d957392
replaced java.util.Properties by plain association list;
wenzelm
parents:
29522
diff
changeset
|
355 |
put_result(kind, props.reverse, result.toString) |
29573 | 356 |
kind = null |
357 |
props = Nil |
|
28063 | 358 |
result.length = 0 |
359 |
} |
|
360 |
// text line |
|
361 |
else { |
|
362 |
result.append(line) |
|
363 |
result.append('\n') |
|
364 |
} |
|
28045 | 365 |
} |
28063 | 366 |
//}}} |
27949
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
367 |
} |
27963 | 368 |
} |
28063 | 369 |
catch { |
29572
e3a99d957392
replaced java.util.Properties by plain association list;
wenzelm
parents:
29522
diff
changeset
|
370 |
case e: IOException => put_result(Kind.SYSTEM, Nil, "Message thread: " + e.getMessage) |
28063 | 371 |
} |
27949
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
372 |
} |
29572
e3a99d957392
replaced java.util.Properties by plain association list;
wenzelm
parents:
29522
diff
changeset
|
373 |
put_result(Kind.SYSTEM, Nil, "Message thread terminated") |
27949
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
374 |
} |
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
375 |
} |
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
376 |
|
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
377 |
|
29192 | 378 |
|
27949
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
379 |
/** main **/ |
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
380 |
|
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
381 |
{ |
28497
40e1cc165b05
added isabelle_tool version as basic integrity check of platform/distribution;
wenzelm
parents:
28344
diff
changeset
|
382 |
/* isabelle version */ |
40e1cc165b05
added isabelle_tool version as basic integrity check of platform/distribution;
wenzelm
parents:
28344
diff
changeset
|
383 |
|
40e1cc165b05
added isabelle_tool version as basic integrity check of platform/distribution;
wenzelm
parents:
28344
diff
changeset
|
384 |
{ |
29174 | 385 |
val (msg, rc) = isabelle_system.isabelle_tool("version") |
28497
40e1cc165b05
added isabelle_tool version as basic integrity check of platform/distribution;
wenzelm
parents:
28344
diff
changeset
|
386 |
if (rc != 0) error("Version check failed -- bad Isabelle installation:\n" + msg) |
29572
e3a99d957392
replaced java.util.Properties by plain association list;
wenzelm
parents:
29522
diff
changeset
|
387 |
put_result(Kind.SYSTEM, Nil, msg) |
28497
40e1cc165b05
added isabelle_tool version as basic integrity check of platform/distribution;
wenzelm
parents:
28344
diff
changeset
|
388 |
} |
40e1cc165b05
added isabelle_tool version as basic integrity check of platform/distribution;
wenzelm
parents:
28344
diff
changeset
|
389 |
|
28045 | 390 |
|
29192 | 391 |
/* messages */ |
28045 | 392 |
|
29174 | 393 |
val message_fifo = isabelle_system.mk_fifo() |
394 |
def rm_fifo() = isabelle_system.rm_fifo(message_fifo) |
|
28045 | 395 |
|
28063 | 396 |
val message_thread = new MessageThread(message_fifo) |
397 |
message_thread.start |
|
28045 | 398 |
|
29194 | 399 |
new ResultThread().start |
400 |
||
28045 | 401 |
|
27973
18d02c0b90b6
moved class Result into static object, removed dynamic tree method;
wenzelm
parents:
27963
diff
changeset
|
402 |
/* exec process */ |
27963 | 403 |
|
27973
18d02c0b90b6
moved class Result into static object, removed dynamic tree method;
wenzelm
parents:
27963
diff
changeset
|
404 |
try { |
28501 | 405 |
val cmdline = |
29174 | 406 |
List(isabelle_system.getenv_strict("ISABELLE_PROCESS"), "-W", message_fifo) ++ args |
29178 | 407 |
proc = isabelle_system.execute(true, cmdline: _*) |
27949
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
408 |
} |
27993
6dd90ef9f927
simplified exceptions: use plain error function / RuntimeException;
wenzelm
parents:
27992
diff
changeset
|
409 |
catch { |
28063 | 410 |
case e: IOException => |
411 |
rm_fifo() |
|
412 |
error("Failed to execute Isabelle process: " + e.getMessage) |
|
27993
6dd90ef9f927
simplified exceptions: use plain error function / RuntimeException;
wenzelm
parents:
27992
diff
changeset
|
413 |
} |
27949
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
414 |
|
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
415 |
|
28045 | 416 |
/* stdin/stdout */ |
417 |
||
418 |
new StdinThread(proc.getOutputStream).start |
|
419 |
new StdoutThread(proc.getInputStream).start |
|
420 |
||
421 |
||
422 |
/* exit */ |
|
27949
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
423 |
|
28063 | 424 |
new Thread("isabelle: exit") { |
28045 | 425 |
override def run() = { |
426 |
val rc = proc.waitFor() |
|
427 |
Thread.sleep(300) |
|
29572
e3a99d957392
replaced java.util.Properties by plain association list;
wenzelm
parents:
29522
diff
changeset
|
428 |
put_result(Kind.SYSTEM, Nil, "Exit thread terminated") |
e3a99d957392
replaced java.util.Properties by plain association list;
wenzelm
parents:
29522
diff
changeset
|
429 |
put_result(Kind.EXIT, Nil, Integer.toString(rc)) |
28063 | 430 |
rm_fifo() |
28045 | 431 |
} |
28063 | 432 |
}.start |
433 |
||
27949
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
434 |
} |
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
435 |
} |