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/* NSC -- new Scala compiler
* Copyright 2005-2013 LAMP/EPFL
* @author Paul Phillips
*/
package scala.tools.nsc
package backend
import io.AbstractFile
import util.{ClassPath,MergedClassPath,DeltaClassPath}
import scala.tools.util.PathResolver
trait JavaPlatform extends Platform {
val global: Global
override val symbolTable: global.type = global
import global._
import definitions._
private[nsc] var currentClassPath: Option[MergedClassPath[AbstractFile]] = None
def classPath: ClassPath[AbstractFile] = {
if (currentClassPath.isEmpty) currentClassPath = Some(new PathResolver(settings).result)
currentClassPath.get
}
/** Update classpath with a substituted subentry */
def updateClassPath(subst: Map[ClassPath[AbstractFile], ClassPath[AbstractFile]]) =
currentClassPath = Some(new DeltaClassPath(currentClassPath.get, subst))
private def classEmitPhase =
if (settings.isBCodeActive) genBCode
else genASM
def platformPhases = List(
flatten, // get rid of inner classes
classEmitPhase // generate .class files
)
lazy val externalEquals = getDecl(BoxesRunTimeClass, nme.equals_)
lazy val externalEqualsNumNum = getDecl(BoxesRunTimeClass, nme.equalsNumNum)
lazy val externalEqualsNumChar = getDecl(BoxesRunTimeClass, nme.equalsNumChar)
lazy val externalEqualsNumObject = getDecl(BoxesRunTimeClass, nme.equalsNumObject)
/** We could get away with excluding BoxedBooleanClass for the
* purpose of equality testing since it need not compare equal
* to anything but other booleans, but it should be present in
* case this is put to other uses.
*/
def isMaybeBoxed(sym: Symbol) = {
(sym == ObjectClass) ||
(sym == JavaSerializableClass) ||
(sym == ComparableClass) ||
(sym isNonBottomSubClass BoxedNumberClass) ||
(sym isNonBottomSubClass BoxedCharacterClass) ||
(sym isNonBottomSubClass BoxedBooleanClass)
}
def needCompile(bin: AbstractFile, src: AbstractFile) =
src.lastModified >= bin.lastModified
}
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