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/* NSC -- new Scala compiler
* Copyright 2005-2010 LAMP/EPFL
* @author Martin Odersky
*/
package scala.tools.nsc
import java.io.{ BufferedReader, File, InputStreamReader, PrintWriter }
import Properties.fileEndings
import scala.tools.util.PathResolver
import io.Path
import util.ClassPath
/** The client part of the fsc offline compiler. Instead of compiling
* things itself, it send requests to a CompileServer.
*/
class StandardCompileClient {
def compileSocket: CompileSocket = CompileSocket // todo: should be lazy val
val versionMsg = "Fast " + Properties.versionMsg
var verbose = false
var version = false
var shutdown = false
/** Convert a filename to an absolute path */
def absFileName(path: String) = new File(path).getAbsolutePath()
/** Convert a sequence of filenames, separated by <code>File.pathSeparator</code>,
* into absolute filenames.
*/
def absFileNames(paths: String) = ClassPath.map(paths, absFileName)
protected def normalize(args: Array[String]): (String, String) = {
var i = 0
val vmArgs = new StringBuilder
var serverAdr = ""
while (i < args.length) {
val arg = args(i)
if (fileEndings exists(arg endsWith _)) {
args(i) = Path(arg).toAbsolute.path
} else if (arg startsWith "-J") {
//see http://java.sun.com/j2se/1.5.0/docs/tooldocs/solaris/javac.html#J
vmArgs append " "+arg.substring(2)
args(i) = ""
} else if (arg == "-verbose") {
verbose = true
} else if (arg == "-version") {
version = true
} else if (arg == "-shutdown") {
shutdown = true
}
i += 1
if (i < args.length) {
arg match {
case "-classpath" | "-sourcepath" | "-bootclasspath" | "-extdirs" | "-d" =>
args(i) = PathResolver.makeAbsolute(args(i))
i += 1
case "-server" =>
serverAdr = args(i)
args(i-1) = ""
args(i) = ""
case _ =>
}
}
}
(vmArgs.toString, serverAdr)
}
// used by class ant.FastScalac to skip exit statement in Ant.
def main0(args0: Array[String]): Int = {
val args = if (args0 contains "-d") args0 else Array("-d", ".") ++ args0
val (vmArgs, serverAdr) = normalize(args)
if (version) {
Console println versionMsg
return 0
}
if (verbose) {
Console println args.mkString("[Server arguments: ", " ", "]")
Console println "[VM arguments: %s]".format(vmArgs)
}
val socket =
if (serverAdr == "") compileSocket.getOrCreateSocket(vmArgs, !shutdown)
else Some(compileSocket.getSocket(serverAdr))
val sawerror: Boolean = socket match {
case None =>
val msg = if (shutdown) "[No compilation server running.]" else "Compilation failed."
Console println msg
!shutdown
case Some(sock) =>
var wasError = false
sock.applyReaderAndWriter { (in, out) =>
out println compileSocket.getPassword(sock.getPort())
out println args.mkString("\0")
def loop: Unit = in.readLine() match {
case null => ()
case fromServer =>
if (compileSocket.errorPattern matcher fromServer matches)
wasError = true
Console println fromServer
loop
}
loop
}
wasError
}
if (sawerror) 1 else 0
}
def main(args: Array[String]): Unit =
sys.exit(try main0(args) catch { case e: Exception => 1 })
}
object CompileClient extends StandardCompileClient
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