author | wenzelm |
Mon, 05 Jul 2010 22:26:20 +0200 | |
changeset 37712 | 7f25bf4b4bca |
parent 37689 | 628eabe2213a |
child 38230 | ed147003de4b |
permissions | -rw-r--r-- |
30173
eabece26b89b
moved isabelle_process.ML, isabelle_process.scala, isar.ML, session.ML to Pure/System/ (together with associated Isar commands);
wenzelm
parents:
29648
diff
changeset
|
1 |
/* Title: Pure/System/isabelle_process.ML |
27949
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
2 |
Author: Makarius |
27963 | 3 |
Options: :folding=explicit:collapseFolds=1: |
27949
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
4 |
|
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
5 |
Isabelle process management -- always reactive due to multi-threaded I/O. |
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
6 |
*/ |
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
7 |
|
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
8 |
package isabelle |
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
9 |
|
27955
4c32c5e75eca
use java.util.concurrent.LinkedBlockingQueue, which blocks as required;
wenzelm
parents:
27949
diff
changeset
|
10 |
import java.util.concurrent.LinkedBlockingQueue |
28045 | 11 |
import java.io.{BufferedReader, BufferedWriter, InputStreamReader, OutputStreamWriter, |
28056 | 12 |
InputStream, OutputStream, IOException} |
27949
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
13 |
|
32474
0818e6b1c8a6
Isabelle_Process: receiver as Actor, not EventBus;
wenzelm
parents:
32448
diff
changeset
|
14 |
import scala.actors.Actor |
0818e6b1c8a6
Isabelle_Process: receiver as Actor, not EventBus;
wenzelm
parents:
32448
diff
changeset
|
15 |
import Actor._ |
27949
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
16 |
|
27973
18d02c0b90b6
moved class Result into static object, removed dynamic tree method;
wenzelm
parents:
27963
diff
changeset
|
17 |
|
32474
0818e6b1c8a6
Isabelle_Process: receiver as Actor, not EventBus;
wenzelm
parents:
32448
diff
changeset
|
18 |
object Isabelle_Process |
0818e6b1c8a6
Isabelle_Process: receiver as Actor, not EventBus;
wenzelm
parents:
32448
diff
changeset
|
19 |
{ |
27949
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
20 |
/* results */ |
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
21 |
|
37689
628eabe2213a
simplified Isabelle_Process.Result: use markup directly;
wenzelm
parents:
37132
diff
changeset
|
22 |
object Kind { |
29522
793766d4c1b5
moved message markup into Scala layer -- reduced redundancy;
wenzelm
parents:
29506
diff
changeset
|
23 |
// message markup |
793766d4c1b5
moved message markup into Scala layer -- reduced redundancy;
wenzelm
parents:
29506
diff
changeset
|
24 |
val markup = Map( |
37689
628eabe2213a
simplified Isabelle_Process.Result: use markup directly;
wenzelm
parents:
37132
diff
changeset
|
25 |
('A' : Int) -> Markup.INIT, |
628eabe2213a
simplified Isabelle_Process.Result: use markup directly;
wenzelm
parents:
37132
diff
changeset
|
26 |
('B' : Int) -> Markup.STATUS, |
628eabe2213a
simplified Isabelle_Process.Result: use markup directly;
wenzelm
parents:
37132
diff
changeset
|
27 |
('C' : Int) -> Markup.WRITELN, |
628eabe2213a
simplified Isabelle_Process.Result: use markup directly;
wenzelm
parents:
37132
diff
changeset
|
28 |
('D' : Int) -> Markup.TRACING, |
628eabe2213a
simplified Isabelle_Process.Result: use markup directly;
wenzelm
parents:
37132
diff
changeset
|
29 |
('E' : Int) -> Markup.WARNING, |
628eabe2213a
simplified Isabelle_Process.Result: use markup directly;
wenzelm
parents:
37132
diff
changeset
|
30 |
('F' : Int) -> Markup.ERROR, |
628eabe2213a
simplified Isabelle_Process.Result: use markup directly;
wenzelm
parents:
37132
diff
changeset
|
31 |
('G' : Int) -> Markup.DEBUG) |
628eabe2213a
simplified Isabelle_Process.Result: use markup directly;
wenzelm
parents:
37132
diff
changeset
|
32 |
def is_raw(kind: String) = |
628eabe2213a
simplified Isabelle_Process.Result: use markup directly;
wenzelm
parents:
37132
diff
changeset
|
33 |
kind == Markup.STDOUT |
628eabe2213a
simplified Isabelle_Process.Result: use markup directly;
wenzelm
parents:
37132
diff
changeset
|
34 |
def is_control(kind: String) = |
628eabe2213a
simplified Isabelle_Process.Result: use markup directly;
wenzelm
parents:
37132
diff
changeset
|
35 |
kind == Markup.SYSTEM || |
628eabe2213a
simplified Isabelle_Process.Result: use markup directly;
wenzelm
parents:
37132
diff
changeset
|
36 |
kind == Markup.SIGNAL || |
628eabe2213a
simplified Isabelle_Process.Result: use markup directly;
wenzelm
parents:
37132
diff
changeset
|
37 |
kind == Markup.EXIT |
628eabe2213a
simplified Isabelle_Process.Result: use markup directly;
wenzelm
parents:
37132
diff
changeset
|
38 |
def is_system(kind: String) = |
628eabe2213a
simplified Isabelle_Process.Result: use markup directly;
wenzelm
parents:
37132
diff
changeset
|
39 |
kind == Markup.SYSTEM || |
628eabe2213a
simplified Isabelle_Process.Result: use markup directly;
wenzelm
parents:
37132
diff
changeset
|
40 |
kind == Markup.STDIN || |
628eabe2213a
simplified Isabelle_Process.Result: use markup directly;
wenzelm
parents:
37132
diff
changeset
|
41 |
kind == Markup.SIGNAL || |
628eabe2213a
simplified Isabelle_Process.Result: use markup directly;
wenzelm
parents:
37132
diff
changeset
|
42 |
kind == Markup.EXIT || |
628eabe2213a
simplified Isabelle_Process.Result: use markup directly;
wenzelm
parents:
37132
diff
changeset
|
43 |
kind == Markup.STATUS |
27949
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
44 |
} |
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
45 |
|
37689
628eabe2213a
simplified Isabelle_Process.Result: use markup directly;
wenzelm
parents:
37132
diff
changeset
|
46 |
class Result(val message: XML.Elem) |
34100 | 47 |
{ |
37689
628eabe2213a
simplified Isabelle_Process.Result: use markup directly;
wenzelm
parents:
37132
diff
changeset
|
48 |
def kind = message.name |
628eabe2213a
simplified Isabelle_Process.Result: use markup directly;
wenzelm
parents:
37132
diff
changeset
|
49 |
def body = message.body |
628eabe2213a
simplified Isabelle_Process.Result: use markup directly;
wenzelm
parents:
37132
diff
changeset
|
50 |
|
628eabe2213a
simplified Isabelle_Process.Result: use markup directly;
wenzelm
parents:
37132
diff
changeset
|
51 |
def is_raw = Kind.is_raw(kind) |
628eabe2213a
simplified Isabelle_Process.Result: use markup directly;
wenzelm
parents:
37132
diff
changeset
|
52 |
def is_control = Kind.is_control(kind) |
628eabe2213a
simplified Isabelle_Process.Result: use markup directly;
wenzelm
parents:
37132
diff
changeset
|
53 |
def is_system = Kind.is_system(kind) |
628eabe2213a
simplified Isabelle_Process.Result: use markup directly;
wenzelm
parents:
37132
diff
changeset
|
54 |
def is_status = kind == Markup.STATUS |
628eabe2213a
simplified Isabelle_Process.Result: use markup directly;
wenzelm
parents:
37132
diff
changeset
|
55 |
def is_ready = is_status && body == List(XML.Elem(Markup.READY, Nil, Nil)) |
34100 | 56 |
|
57 |
override def toString: String = |
|
58 |
{ |
|
29522
793766d4c1b5
moved message markup into Scala layer -- reduced redundancy;
wenzelm
parents:
29506
diff
changeset
|
59 |
val res = |
37689
628eabe2213a
simplified Isabelle_Process.Result: use markup directly;
wenzelm
parents:
37132
diff
changeset
|
60 |
if (is_status) message.body.map(_.toString).mkString |
628eabe2213a
simplified Isabelle_Process.Result: use markup directly;
wenzelm
parents:
37132
diff
changeset
|
61 |
else Pretty.string_of(message.body) |
628eabe2213a
simplified Isabelle_Process.Result: use markup directly;
wenzelm
parents:
37132
diff
changeset
|
62 |
val props = message.attributes |
29572
e3a99d957392
replaced java.util.Properties by plain association list;
wenzelm
parents:
29522
diff
changeset
|
63 |
if (props.isEmpty) |
e3a99d957392
replaced java.util.Properties by plain association list;
wenzelm
parents:
29522
diff
changeset
|
64 |
kind.toString + " [[" + res + "]]" |
e3a99d957392
replaced java.util.Properties by plain association list;
wenzelm
parents:
29522
diff
changeset
|
65 |
else |
e3a99d957392
replaced java.util.Properties by plain association list;
wenzelm
parents:
29522
diff
changeset
|
66 |
kind.toString + " " + |
e3a99d957392
replaced java.util.Properties by plain association list;
wenzelm
parents:
29522
diff
changeset
|
67 |
(for ((x, y) <- props) yield x + "=" + y).mkString("{", ",", "}") + " [[" + res + "]]" |
27949
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
68 |
} |
34109 | 69 |
|
37689
628eabe2213a
simplified Isabelle_Process.Result: use markup directly;
wenzelm
parents:
37132
diff
changeset
|
70 |
def cache(c: XML.Cache): Result = new Result(c.cache_tree(message).asInstanceOf[XML.Elem]) |
27973
18d02c0b90b6
moved class Result into static object, removed dynamic tree method;
wenzelm
parents:
27963
diff
changeset
|
71 |
} |
18d02c0b90b6
moved class Result into static object, removed dynamic tree method;
wenzelm
parents:
27963
diff
changeset
|
72 |
} |
18d02c0b90b6
moved class Result into static object, removed dynamic tree method;
wenzelm
parents:
27963
diff
changeset
|
73 |
|
18d02c0b90b6
moved class Result into static object, removed dynamic tree method;
wenzelm
parents:
27963
diff
changeset
|
74 |
|
34100 | 75 |
class Isabelle_Process(system: Isabelle_System, receiver: Actor, args: String*) |
29192 | 76 |
{ |
31797 | 77 |
import Isabelle_Process._ |
29194 | 78 |
|
27973
18d02c0b90b6
moved class Result into static object, removed dynamic tree method;
wenzelm
parents:
27963
diff
changeset
|
79 |
|
29192 | 80 |
/* demo constructor */ |
27973
18d02c0b90b6
moved class Result into static object, removed dynamic tree method;
wenzelm
parents:
27963
diff
changeset
|
81 |
|
29192 | 82 |
def this(args: String*) = |
32474
0818e6b1c8a6
Isabelle_Process: receiver as Actor, not EventBus;
wenzelm
parents:
32448
diff
changeset
|
83 |
this(new Isabelle_System, |
34213
9e86c1ca6e51
removed obsolete version check -- sanity delegated to Isabelle_System;
wenzelm
parents:
34201
diff
changeset
|
84 |
actor { loop { react { case res => Console.println(res) } } }, args: _*) |
29174 | 85 |
|
86 |
||
27973
18d02c0b90b6
moved class Result into static object, removed dynamic tree method;
wenzelm
parents:
27963
diff
changeset
|
87 |
/* process information */ |
18d02c0b90b6
moved class Result into static object, removed dynamic tree method;
wenzelm
parents:
27963
diff
changeset
|
88 |
|
29648 | 89 |
@volatile private var proc: Process = null |
90 |
@volatile private var closing = false |
|
91 |
@volatile private var pid: String = null |
|
27973
18d02c0b90b6
moved class Result into static object, removed dynamic tree method;
wenzelm
parents:
27963
diff
changeset
|
92 |
|
18d02c0b90b6
moved class Result into static object, removed dynamic tree method;
wenzelm
parents:
27963
diff
changeset
|
93 |
|
18d02c0b90b6
moved class Result into static object, removed dynamic tree method;
wenzelm
parents:
27963
diff
changeset
|
94 |
/* results */ |
27949
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
95 |
|
37689
628eabe2213a
simplified Isabelle_Process.Result: use markup directly;
wenzelm
parents:
37132
diff
changeset
|
96 |
private def put_result(kind: String, props: List[(String, String)], body: List[XML.Tree]) |
29572
e3a99d957392
replaced java.util.Properties by plain association list;
wenzelm
parents:
29522
diff
changeset
|
97 |
{ |
37689
628eabe2213a
simplified Isabelle_Process.Result: use markup directly;
wenzelm
parents:
37132
diff
changeset
|
98 |
if (kind == Markup.INIT) { |
34214
99eefb83a35d
simplified init message -- removed redundant session property;
wenzelm
parents:
34213
diff
changeset
|
99 |
for ((Markup.PID, p) <- props) pid = p |
27963 | 100 |
} |
37689
628eabe2213a
simplified Isabelle_Process.Result: use markup directly;
wenzelm
parents:
37132
diff
changeset
|
101 |
receiver ! new Result(XML.Elem(kind, props, body)) |
34100 | 102 |
} |
103 |
||
37689
628eabe2213a
simplified Isabelle_Process.Result: use markup directly;
wenzelm
parents:
37132
diff
changeset
|
104 |
private def put_result(kind: String, text: String) |
34100 | 105 |
{ |
106 |
put_result(kind, Nil, List(XML.Text(system.symbols.decode(text)))) |
|
27992 | 107 |
} |
108 |
||
27973
18d02c0b90b6
moved class Result into static object, removed dynamic tree method;
wenzelm
parents:
27963
diff
changeset
|
109 |
|
18d02c0b90b6
moved class Result into static object, removed dynamic tree method;
wenzelm
parents:
27963
diff
changeset
|
110 |
/* signals */ |
18d02c0b90b6
moved class Result into static object, removed dynamic tree method;
wenzelm
parents:
27963
diff
changeset
|
111 |
|
18d02c0b90b6
moved class Result into static object, removed dynamic tree method;
wenzelm
parents:
27963
diff
changeset
|
112 |
def interrupt() = synchronized { |
27993
6dd90ef9f927
simplified exceptions: use plain error function / RuntimeException;
wenzelm
parents:
27992
diff
changeset
|
113 |
if (proc == null) error("Cannot interrupt Isabelle: no process") |
37689
628eabe2213a
simplified Isabelle_Process.Result: use markup directly;
wenzelm
parents:
37132
diff
changeset
|
114 |
if (pid == null) put_result(Markup.SYSTEM, "Cannot interrupt: unknown pid") |
27973
18d02c0b90b6
moved class Result into static object, removed dynamic tree method;
wenzelm
parents:
27963
diff
changeset
|
115 |
else { |
18d02c0b90b6
moved class Result into static object, removed dynamic tree method;
wenzelm
parents:
27963
diff
changeset
|
116 |
try { |
34100 | 117 |
if (system.execute(true, "kill", "-INT", pid).waitFor == 0) |
37689
628eabe2213a
simplified Isabelle_Process.Result: use markup directly;
wenzelm
parents:
37132
diff
changeset
|
118 |
put_result(Markup.SIGNAL, "INT") |
27990 | 119 |
else |
37689
628eabe2213a
simplified Isabelle_Process.Result: use markup directly;
wenzelm
parents:
37132
diff
changeset
|
120 |
put_result(Markup.SYSTEM, "Cannot interrupt: kill command failed") |
27973
18d02c0b90b6
moved class Result into static object, removed dynamic tree method;
wenzelm
parents:
27963
diff
changeset
|
121 |
} |
27993
6dd90ef9f927
simplified exceptions: use plain error function / RuntimeException;
wenzelm
parents:
27992
diff
changeset
|
122 |
catch { case e: IOException => error("Cannot interrupt Isabelle: " + e.getMessage) } |
27973
18d02c0b90b6
moved class Result into static object, removed dynamic tree method;
wenzelm
parents:
27963
diff
changeset
|
123 |
} |
18d02c0b90b6
moved class Result into static object, removed dynamic tree method;
wenzelm
parents:
27963
diff
changeset
|
124 |
} |
18d02c0b90b6
moved class Result into static object, removed dynamic tree method;
wenzelm
parents:
27963
diff
changeset
|
125 |
|
18d02c0b90b6
moved class Result into static object, removed dynamic tree method;
wenzelm
parents:
27963
diff
changeset
|
126 |
def kill() = synchronized { |
27993
6dd90ef9f927
simplified exceptions: use plain error function / RuntimeException;
wenzelm
parents:
27992
diff
changeset
|
127 |
if (proc == 0) error("Cannot kill Isabelle: no process") |
27973
18d02c0b90b6
moved class Result into static object, removed dynamic tree method;
wenzelm
parents:
27963
diff
changeset
|
128 |
else { |
18d02c0b90b6
moved class Result into static object, removed dynamic tree method;
wenzelm
parents:
27963
diff
changeset
|
129 |
try_close() |
37132 | 130 |
Thread.sleep(500) // FIXME property!? |
37689
628eabe2213a
simplified Isabelle_Process.Result: use markup directly;
wenzelm
parents:
37132
diff
changeset
|
131 |
put_result(Markup.SIGNAL, "KILL") |
27973
18d02c0b90b6
moved class Result into static object, removed dynamic tree method;
wenzelm
parents:
27963
diff
changeset
|
132 |
proc.destroy |
18d02c0b90b6
moved class Result into static object, removed dynamic tree method;
wenzelm
parents:
27963
diff
changeset
|
133 |
proc = null |
27990 | 134 |
pid = null |
27973
18d02c0b90b6
moved class Result into static object, removed dynamic tree method;
wenzelm
parents:
27963
diff
changeset
|
135 |
} |
18d02c0b90b6
moved class Result into static object, removed dynamic tree method;
wenzelm
parents:
27963
diff
changeset
|
136 |
} |
18d02c0b90b6
moved class Result into static object, removed dynamic tree method;
wenzelm
parents:
27963
diff
changeset
|
137 |
|
27949
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
138 |
|
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
139 |
/* output being piped into the process */ |
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
140 |
|
27990 | 141 |
private val output = new LinkedBlockingQueue[String] |
27949
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
142 |
|
28045 | 143 |
private def output_raw(text: String) = synchronized { |
27993
6dd90ef9f927
simplified exceptions: use plain error function / RuntimeException;
wenzelm
parents:
27992
diff
changeset
|
144 |
if (proc == null) error("Cannot output to Isabelle: no process") |
6dd90ef9f927
simplified exceptions: use plain error function / RuntimeException;
wenzelm
parents:
27992
diff
changeset
|
145 |
if (closing) error("Cannot output to Isabelle: already closing") |
27955
4c32c5e75eca
use java.util.concurrent.LinkedBlockingQueue, which blocks as required;
wenzelm
parents:
27949
diff
changeset
|
146 |
output.put(text) |
27949
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
147 |
} |
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
148 |
|
28303 | 149 |
def output_sync(text: String) = |
28045 | 150 |
output_raw(" \\<^sync>\n; " + text + " \\<^sync>;\n") |
27949
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
151 |
|
27963 | 152 |
|
153 |
def command(text: String) = |
|
32448
a89f876731c5
moved Pure/Tools/isabelle_syntax.scala to Pure/System/isabelle_syntax.scala;
wenzelm
parents:
31797
diff
changeset
|
154 |
output_sync("Isabelle.command " + Isabelle_Syntax.encode_string(text)) |
27949
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
155 |
|
29572
e3a99d957392
replaced java.util.Properties by plain association list;
wenzelm
parents:
29522
diff
changeset
|
156 |
def command(props: List[(String, String)], text: String) = |
32448
a89f876731c5
moved Pure/Tools/isabelle_syntax.scala to Pure/System/isabelle_syntax.scala;
wenzelm
parents:
31797
diff
changeset
|
157 |
output_sync("Isabelle.command " + Isabelle_Syntax.encode_properties(props) + " " + |
a89f876731c5
moved Pure/Tools/isabelle_syntax.scala to Pure/System/isabelle_syntax.scala;
wenzelm
parents:
31797
diff
changeset
|
158 |
Isabelle_Syntax.encode_string(text)) |
27949
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
159 |
|
37712 | 160 |
def ML_val(text: String) = |
32448
a89f876731c5
moved Pure/Tools/isabelle_syntax.scala to Pure/System/isabelle_syntax.scala;
wenzelm
parents:
31797
diff
changeset
|
161 |
output_sync("ML_val " + Isabelle_Syntax.encode_string(text)) |
27949
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
162 |
|
37712 | 163 |
def ML_command(text: String) = |
164 |
output_sync("ML_command " + Isabelle_Syntax.encode_string(text)) |
|
165 |
||
27949
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
166 |
def close() = synchronized { // FIXME watchdog/timeout |
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
167 |
output_raw("\u0000") |
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
168 |
closing = true |
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
169 |
} |
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
170 |
|
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
171 |
def try_close() = synchronized { |
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
172 |
if (proc != null && !closing) { |
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
173 |
try { close() } |
27993
6dd90ef9f927
simplified exceptions: use plain error function / RuntimeException;
wenzelm
parents:
27992
diff
changeset
|
174 |
catch { case _: RuntimeException => } |
27949
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
175 |
} |
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
176 |
} |
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
177 |
|
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
178 |
|
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
179 |
/* stdin */ |
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
180 |
|
34213
9e86c1ca6e51
removed obsolete version check -- sanity delegated to Isabelle_System;
wenzelm
parents:
34201
diff
changeset
|
181 |
private class Stdin_Thread(out_stream: OutputStream) extends Thread("isabelle: stdin") { |
27949
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
182 |
override def run() = { |
34201
c95dcd12f48a
separate Standard_System (Cygwin/Posix compatibility) vs. Isabelle_System (settings environment etc.);
wenzelm
parents:
34117
diff
changeset
|
183 |
val writer = new BufferedWriter(new OutputStreamWriter(out_stream, Standard_System.charset)) |
27949
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
184 |
var finished = false |
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
185 |
while (!finished) { |
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
186 |
try { |
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
187 |
//{{{ |
27955
4c32c5e75eca
use java.util.concurrent.LinkedBlockingQueue, which blocks as required;
wenzelm
parents:
27949
diff
changeset
|
188 |
val s = output.take |
27949
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
189 |
if (s == "\u0000") { |
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
190 |
writer.close |
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
191 |
finished = true |
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
192 |
} |
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
193 |
else { |
37689
628eabe2213a
simplified Isabelle_Process.Result: use markup directly;
wenzelm
parents:
37132
diff
changeset
|
194 |
put_result(Markup.STDIN, s) |
27949
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
195 |
writer.write(s) |
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
196 |
writer.flush |
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
197 |
} |
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
198 |
//}}} |
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
199 |
} |
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
200 |
catch { |
37689
628eabe2213a
simplified Isabelle_Process.Result: use markup directly;
wenzelm
parents:
37132
diff
changeset
|
201 |
case e: IOException => put_result(Markup.SYSTEM, "Stdin thread: " + e.getMessage) |
27949
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
202 |
} |
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
203 |
} |
37689
628eabe2213a
simplified Isabelle_Process.Result: use markup directly;
wenzelm
parents:
37132
diff
changeset
|
204 |
put_result(Markup.SYSTEM, "Stdin thread terminated") |
27949
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
205 |
} |
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
206 |
} |
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
207 |
|
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
208 |
|
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
209 |
/* stdout */ |
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
210 |
|
34213
9e86c1ca6e51
removed obsolete version check -- sanity delegated to Isabelle_System;
wenzelm
parents:
34201
diff
changeset
|
211 |
private class Stdout_Thread(in_stream: InputStream) extends Thread("isabelle: stdout") { |
27949
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
212 |
override def run() = { |
34201
c95dcd12f48a
separate Standard_System (Cygwin/Posix compatibility) vs. Isabelle_System (settings environment etc.);
wenzelm
parents:
34117
diff
changeset
|
213 |
val reader = new BufferedReader(new InputStreamReader(in_stream, Standard_System.charset)) |
28045 | 214 |
var result = new StringBuilder(100) |
27949
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
215 |
|
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
216 |
var finished = false |
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
217 |
while (!finished) { |
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
218 |
try { |
28045 | 219 |
//{{{ |
220 |
var c = -1 |
|
221 |
var done = false |
|
222 |
while (!done && (result.length == 0 || reader.ready)) { |
|
223 |
c = reader.read |
|
224 |
if (c >= 0) result.append(c.asInstanceOf[Char]) |
|
225 |
else done = true |
|
226 |
} |
|
227 |
if (result.length > 0) { |
|
37689
628eabe2213a
simplified Isabelle_Process.Result: use markup directly;
wenzelm
parents:
37132
diff
changeset
|
228 |
put_result(Markup.STDOUT, result.toString) |
28045 | 229 |
result.length = 0 |
27949
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
230 |
} |
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
231 |
else { |
28045 | 232 |
reader.close |
233 |
finished = true |
|
234 |
try_close() |
|
27949
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
235 |
} |
28045 | 236 |
//}}} |
27963 | 237 |
} |
238 |
catch { |
|
37689
628eabe2213a
simplified Isabelle_Process.Result: use markup directly;
wenzelm
parents:
37132
diff
changeset
|
239 |
case e: IOException => put_result(Markup.SYSTEM, "Stdout thread: " + e.getMessage) |
27949
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
240 |
} |
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
241 |
} |
37689
628eabe2213a
simplified Isabelle_Process.Result: use markup directly;
wenzelm
parents:
37132
diff
changeset
|
242 |
put_result(Markup.SYSTEM, "Stdout thread terminated") |
27949
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
243 |
} |
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
244 |
} |
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
245 |
|
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
246 |
|
28045 | 247 |
/* messages */ |
27949
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
248 |
|
34213
9e86c1ca6e51
removed obsolete version check -- sanity delegated to Isabelle_System;
wenzelm
parents:
34201
diff
changeset
|
249 |
private class Message_Thread(fifo: String) extends Thread("isabelle: messages") |
34100 | 250 |
{ |
251 |
private class Protocol_Error(msg: String) extends Exception(msg) |
|
252 |
override def run() |
|
253 |
{ |
|
254 |
val stream = system.fifo_stream(fifo) |
|
255 |
val default_buffer = new Array[Byte](65536) |
|
256 |
var c = -1 |
|
27949
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
257 |
|
34100 | 258 |
def read_chunk(): List[XML.Tree] = |
259 |
{ |
|
260 |
//{{{ |
|
261 |
// chunk size |
|
262 |
var n = 0 |
|
263 |
c = stream.read |
|
264 |
while (48 <= c && c <= 57) { |
|
265 |
n = 10 * n + (c - 48) |
|
266 |
c = stream.read |
|
267 |
} |
|
268 |
if (c != 10) throw new Protocol_Error("bad message chunk header") |
|
269 |
||
270 |
// chunk content |
|
271 |
val buf = |
|
272 |
if (n <= default_buffer.size) default_buffer |
|
273 |
else new Array[Byte](n) |
|
274 |
||
275 |
var i = 0 |
|
276 |
var m = 0 |
|
277 |
do { |
|
278 |
m = stream.read(buf, i, n - i) |
|
279 |
i += m |
|
280 |
} while (m > 0 && n > i) |
|
281 |
||
282 |
if (i != n) throw new Protocol_Error("bad message chunk content") |
|
283 |
||
284 |
YXML.parse_body_failsafe(YXML.decode_chars(system.symbols.decode, buf, 0, n)) |
|
285 |
//}}} |
|
286 |
} |
|
287 |
||
288 |
do { |
|
27949
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
289 |
try { |
34100 | 290 |
//{{{ |
291 |
c = stream.read |
|
292 |
var non_sync = 0 |
|
293 |
while (c >= 0 && c != 2) { |
|
294 |
non_sync += 1 |
|
295 |
c = stream.read |
|
28063 | 296 |
} |
34100 | 297 |
if (non_sync > 0) |
298 |
throw new Protocol_Error("lost synchronization -- skipping " + non_sync + " bytes") |
|
299 |
if (c == 2) { |
|
300 |
val header = read_chunk() |
|
301 |
val body = read_chunk() |
|
302 |
header match { |
|
303 |
case List(XML.Elem(name, props, Nil)) |
|
37689
628eabe2213a
simplified Isabelle_Process.Result: use markup directly;
wenzelm
parents:
37132
diff
changeset
|
304 |
if name.size == 1 && Kind.markup.isDefinedAt(name(0)) => |
628eabe2213a
simplified Isabelle_Process.Result: use markup directly;
wenzelm
parents:
37132
diff
changeset
|
305 |
put_result(Kind.markup(name(0)), props, body) |
34100 | 306 |
case _ => throw new Protocol_Error("bad header: " + header.toString) |
28063 | 307 |
} |
27949
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
308 |
} |
34100 | 309 |
//}}} |
27963 | 310 |
} |
28063 | 311 |
catch { |
34100 | 312 |
case e: IOException => |
37689
628eabe2213a
simplified Isabelle_Process.Result: use markup directly;
wenzelm
parents:
37132
diff
changeset
|
313 |
put_result(Markup.SYSTEM, "Cannot read message:\n" + e.getMessage) |
34100 | 314 |
case e: Protocol_Error => |
37689
628eabe2213a
simplified Isabelle_Process.Result: use markup directly;
wenzelm
parents:
37132
diff
changeset
|
315 |
put_result(Markup.SYSTEM, "Malformed message:\n" + e.getMessage) |
28063 | 316 |
} |
34100 | 317 |
} while (c != -1) |
318 |
stream.close |
|
319 |
try_close() |
|
320 |
||
37689
628eabe2213a
simplified Isabelle_Process.Result: use markup directly;
wenzelm
parents:
37132
diff
changeset
|
321 |
put_result(Markup.SYSTEM, "Message thread terminated") |
27949
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
322 |
} |
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
323 |
} |
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
324 |
|
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
325 |
|
29192 | 326 |
|
27949
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
327 |
/** main **/ |
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
328 |
|
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
329 |
{ |
29192 | 330 |
/* messages */ |
28045 | 331 |
|
34100 | 332 |
val message_fifo = system.mk_fifo() |
333 |
def rm_fifo() = system.rm_fifo(message_fifo) |
|
28045 | 334 |
|
34213
9e86c1ca6e51
removed obsolete version check -- sanity delegated to Isabelle_System;
wenzelm
parents:
34201
diff
changeset
|
335 |
val message_thread = new Message_Thread(message_fifo) |
28063 | 336 |
message_thread.start |
28045 | 337 |
|
338 |
||
27973
18d02c0b90b6
moved class Result into static object, removed dynamic tree method;
wenzelm
parents:
27963
diff
changeset
|
339 |
/* exec process */ |
27963 | 340 |
|
27973
18d02c0b90b6
moved class Result into static object, removed dynamic tree method;
wenzelm
parents:
27963
diff
changeset
|
341 |
try { |
34100 | 342 |
val cmdline = List(system.getenv_strict("ISABELLE_PROCESS"), "-W", message_fifo) ++ args |
343 |
proc = system.execute(true, cmdline: _*) |
|
27949
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
344 |
} |
27993
6dd90ef9f927
simplified exceptions: use plain error function / RuntimeException;
wenzelm
parents:
27992
diff
changeset
|
345 |
catch { |
28063 | 346 |
case e: IOException => |
347 |
rm_fifo() |
|
348 |
error("Failed to execute Isabelle process: " + e.getMessage) |
|
27993
6dd90ef9f927
simplified exceptions: use plain error function / RuntimeException;
wenzelm
parents:
27992
diff
changeset
|
349 |
} |
27949
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
350 |
|
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
351 |
|
28045 | 352 |
/* stdin/stdout */ |
353 |
||
34213
9e86c1ca6e51
removed obsolete version check -- sanity delegated to Isabelle_System;
wenzelm
parents:
34201
diff
changeset
|
354 |
new Stdin_Thread(proc.getOutputStream).start |
9e86c1ca6e51
removed obsolete version check -- sanity delegated to Isabelle_System;
wenzelm
parents:
34201
diff
changeset
|
355 |
new Stdout_Thread(proc.getInputStream).start |
28045 | 356 |
|
357 |
||
358 |
/* exit */ |
|
27949
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
359 |
|
28063 | 360 |
new Thread("isabelle: exit") { |
28045 | 361 |
override def run() = { |
362 |
val rc = proc.waitFor() |
|
37132 | 363 |
Thread.sleep(300) // FIXME property!? |
37689
628eabe2213a
simplified Isabelle_Process.Result: use markup directly;
wenzelm
parents:
37132
diff
changeset
|
364 |
put_result(Markup.SYSTEM, "Exit thread terminated") |
628eabe2213a
simplified Isabelle_Process.Result: use markup directly;
wenzelm
parents:
37132
diff
changeset
|
365 |
put_result(Markup.EXIT, rc.toString) |
28063 | 366 |
rm_fifo() |
28045 | 367 |
} |
28063 | 368 |
}.start |
27949
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
369 |
} |
6eb0327c0b9b
Isabelle process management -- always reactive due to multi-threaded I/O.
wenzelm
parents:
diff
changeset
|
370 |
} |