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Scala example source code file (Uncompilable.scala)

This example Scala source code file (Uncompilable.scala) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Scala tags/keywords

doccomment, docparser, found, global, global, name, name, nosymbol, nosymbol, settings, string, string, symbol, uncompilable

The Scala Uncompilable.scala source code

/* NSC -- new Scala compiler
 * Copyright 2005-2011 LAMP/EPFL
 * @author Paul Phillips
 */

package scala.tools.nsc
package doc

/** Some glue between DocParser (which reads source files which can't be compiled)
 *  and the scaladoc model.
 */
trait Uncompilable {
  val global: Global
  val settings: Settings

  import global.{ reporter, inform, warning, newTypeName, newTermName, Symbol, Name, DocComment, NoSymbol }
  import global.definitions.RootClass

  private implicit def translateName(name: Global#Name) =
    if (name.isTypeName) newTypeName("" + name) else newTermName("" + name)

  def docSymbol(p: DocParser.Parsed) = p.nameChain.foldLeft(RootClass: Symbol)(_.tpe member _)
  def docDefs(code: String)          = new DocParser(settings, reporter) docDefs code
  def docPairs(code: String)         = docDefs(code) map (p => (docSymbol(p), new DocComment(p.raw)))

  lazy val pairs = files flatMap { f =>
    val comments = docPairs(f.slurp())
    if (settings.verbose.value)
      inform("Found %d doc comments in parse-only file %s: %s".format(comments.size, f, comments.map(_._1).mkString(", ")))

    comments
  }
  def files     = settings.uncompilableFiles
  def symbols   = pairs map (_._1)
  def templates = symbols filter (x => x.isClass || x.isTrait) toSet
  def comments = {
    if (settings.debug.value || settings.verbose.value)
      inform("Found %d uncompilable files: %s".format(files.size, files mkString ", "))

    if (pairs.isEmpty)
      warning("no doc comments read from " + settings.docUncompilable.value)

    pairs
  }
  override def toString = pairs.size + " uncompilable symbols:\n" + (
    symbols filterNot (_ == NoSymbol) map (x => "  " + x.owner.fullName + " " + x.defString) mkString "\n"
  )
}

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