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/* NSC -- new Scala compiler
* Copyright 2005-2013 LAMP/EPFL
* @author Martin Odersky
*/
package scala.tools.nsc
package ast
import scala.reflect.internal.HasFlags
import scala.reflect.internal.Flags._
import symtab._
/** This class ...
*
* @author Martin Odersky
* @version 1.0
*/
abstract class TreeInfo extends scala.reflect.internal.TreeInfo {
val global: Global
import global._
import definitions.ThrowableClass
/** Is tree legal as a member definition of an interface?
*/
override def isInterfaceMember(tree: Tree): Boolean = tree match {
case DocDef(_, definition) => isInterfaceMember(definition)
case _ => super.isInterfaceMember(tree)
}
/** Is tree a pure (i.e. non-side-effecting) definition?
*/
override def isPureDef(tree: Tree): Boolean = tree match {
case DocDef(_, definition) => isPureDef(definition)
case _ => super.isPureDef(tree)
}
/** Does list of trees start with a definition of
* a class of module with given name (ignoring imports)
*/
override def firstDefinesClassOrObject(trees: List[Tree], name: Name): Boolean = trees match {
case ClassDef(_, `name`, _, _) :: Nil => true
case _ => super.firstDefinesClassOrObject(trees, name)
}
def isInterface(mods: HasFlags, body: List[Tree]) =
mods.isTrait && (body forall isInterfaceMember)
}
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