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/* NSC -- new Scala compiler
* Copyright 2005-2010 LAMP/EPFL
* @author Martin Odersky
*/
// $Id$
package scala.tools.nsc
package typechecker
/** The main attribution phase.
*/
trait Analyzer extends AnyRef
with Contexts
with Namers
with Typers
with Infer
with Implicits
with Variances
with EtaExpansion
with SyntheticMethods
with Unapplies
with NamesDefaults
{
val global : Global
import global._
object namerFactory extends SubComponent {
val global: Analyzer.this.global.type = Analyzer.this.global
val phaseName = "namer"
val runsAfter = List[String]("parser")
val runsRightAfter = None
def newPhase(_prev: Phase): StdPhase = new StdPhase(_prev) {
override val checkable = false
def apply(unit: CompilationUnit) {
newNamer(rootContext(unit)).enterSym(unit.body)
}
}
}
object packageObjects extends SubComponent {
val global: Analyzer.this.global.type = Analyzer.this.global
val phaseName = "packageobjects"
val runsAfter = List[String]()
val runsRightAfter= Some("namer")
def newPhase(_prev: Phase): StdPhase = new StdPhase(_prev) {
import global._
val openPackageObjectsTraverser = new Traverser {
override def traverse(tree: Tree): Unit = tree match {
case ModuleDef(_, _, _) =>
if (tree.symbol.name == nme.PACKAGEkw) {
loaders.openPackageModule(tree.symbol)()
}
case ClassDef(_, _, _, _) => () // make it fast
case _ => super.traverse(tree)
}
}
def apply(unit: CompilationUnit) {
openPackageObjectsTraverser(unit.body)
}
}
}
var typerTime = 0L
object typerFactory extends SubComponent {
val global: Analyzer.this.global.type = Analyzer.this.global
val phaseName = "typer"
val runsAfter = List[String]()
val runsRightAfter = Some("packageobjects")
def newPhase(_prev: Phase): StdPhase = new StdPhase(_prev) {
resetTyper()
override def run {
val start = if (util.Statistics.enabled) System.nanoTime() else 0L
currentRun.units foreach applyPhase
if (util.Statistics.enabled)
typerTime += System.nanoTime() - start
}
def apply(unit: CompilationUnit) {
try {
unit.body = newTyper(rootContext(unit)).typed(unit.body)
if (global.settings.Yrangepos.value && !global.reporter.hasErrors) global.validatePositions(unit.body)
for (workItem <- unit.toCheck) workItem()
} finally {
unit.toCheck.clear()
}
}
}
}
}
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