1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
|
/* __ ______________ *\
** / |/ / ____/ ____/ **
** / | | /___ / /___ **
** /_/|__/_____/_____/ Copyright 2005-2006 LAMP/EPFL **
** **
\* */
// $Id$
package scala.tools.ant {
/** <p>
* An Ant task to compile with the fast Scala compiler (<code>fsc</code>).
* </p>
* <p>
* In addition to the attributes shared with the <code>Scalac</code>
* task, this task also accepts the following attributes:
* </p>
* <ul style="font-family:Courier;">
* <li>reset</li>
* <li>server</li>
* <li>shutdown</li>
* </ul>
*
* @author Stephane Micheloud
*/
class FastScalac extends Scalac {
private var resetCaches: Boolean = false
private var serverAddr: Option[String] = None
private var shutdownServer: Boolean = false
/*============================================================================*\
** Properties setters **
\*============================================================================*/
/** Sets the <code>reset</code> attribute. Used by Ant.
*
* @param input The value for <code>reset</code>.
*/
def setReset(input: Boolean): Unit =
resetCaches = input
/** Sets the <code>server</code> attribute. Used by Ant.
*
* @param input The value for <code>server</code>.
*/
def setServer(input: String): Unit = {
def isHostNameValid(host: String): Boolean =
try { val _ = java.net.InetAddress.getByName(host); true }
catch { case _ => false }
if (isHostNameValid(input)) serverAddr = Some(input)
else error("Unknown server '" + input + "'")
}
/** Sets the <code>shutdown</code> attribute. Used by Ant.
*
* @param input The value for <code>shutdown</code>.
*/
def setShutdown(input: Boolean): Unit =
shutdownServer = input
/*============================================================================*\
** The execute method **
\*============================================================================*/
/** Performs the compilation. */
override def execute() = {
val Pair(settings, sourceFiles) = initialize
if (!sourceFiles.isEmpty) {
def trim(xs: List[String]) = xs filter (x => x.length > 0)
val reset = settings.BooleanSetting("-reset", "Reset compile server caches")
val shutdown = settings.BooleanSetting("-shutdown", "Shutdown compile server")
reset.value = resetCaches
shutdown.value = shutdownServer
val cmdOptions =
// StringSetting
List.flatten(
List(settings.outdir, settings.classpath, settings.bootclasspath,
settings.extdirs, settings.encoding) map (s => List(s.nme, s.value))) :::
// '-server' option
(if (serverAddr.isEmpty) Nil else List("-server", serverAddr.get)) :::
// ChoiceSetting
(List(settings.debuginfo, settings.target) map (s => s.nme + ":" + s.value)) :::
// BooleanSetting
trim(
List(settings.debug, settings.deprecation, settings.nopredefs,
settings.verbose, reset, shutdown) map (s => if (s.value) s.nme else "")) :::
// PhaseSetting
trim(
List(settings.log) map (s => if (s.value.isEmpty) "" else s.nme + ":" + s.value))
val args = (cmdOptions ::: (sourceFiles map (.toString()))).toArray
try {
nsc.CompileClient.main0(args)
} catch {
case exception: Throwable if (exception.getMessage != null) =>
exception.printStackTrace()
error("Compile failed because of an internal compiler error (" +
exception.getMessage + "); see the error output for details.")
case exception =>
exception.printStackTrace()
error("Compile failed because of an internal compiler error " +
"(no error message provided); see the error output for details.")
}
}
}
}
}
|
