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/* NSC -- new Scala compiler
* Copyright 2005-2010 LAMP/EPFL
* @author Paul Phillips
*/
package scala.tools.nsc
package object interpreter {
private[nsc] val DebugProperty = "scala.repl.debug"
private[nsc] var _debug = false
private[nsc] def isReplDebug = _debug || (sys.props contains DebugProperty)
/** Debug output */
def repldbg(msg: String) = if (isReplDebug) Console println msg
/** Tracing */
def tracing[T](msg: String)(x: T): T = {
if (isReplDebug)
println("(" + msg + ") " + x)
x
}
/** Heuristically strip interpreter wrapper prefixes
* from an interpreter output string.
*/
def stripWrapperGunk(str: String): String = {
val wrapregex = """(line[0-9]+\$object[$.])?(\$iw[$.])*"""
str.replaceAll(wrapregex, "")
}
/** Class objects */
def classForName(name: String): Option[Class[_]] =
try Some(Class forName name)
catch { case _: ClassNotFoundException | _: SecurityException => None }
}
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