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Scala example source code file (Uncompilable.scala)

This example Scala source code file (Uncompilable.scala) is included in my "Source Code Warehouse" project. The intent of this project is to help you more easily find Scala source code examples by using tags.

All credit for the original source code belongs to; I'm just trying to make examples easier to find. (For my Scala work, see my Scala examples and tutorials.)

Scala tags/keywords

anyrefclass, compiler, doccomment, docparser, found, global, name, nosymbol, nsc, string, symbol, uncompilable

The Uncompilable.scala Scala example source code

/* NSC -- new Scala compiler
 * Copyright 2005-2013 LAMP/EPFL
 * @author Paul Phillips

package doc
import scala.language.implicitConversions
import scala.language.postfixOps

/** 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, DocComment, NoSymbol }
  import global.definitions.AnyRefClass
  import global.rootMirror.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)
      inform("Found %d doc comments in parse-only file %s: %s".format(comments.size, f,", ")))

  def files     = settings.uncompilableFiles
  def symbols   = pairs map (_._1)
  def templates = symbols filter (x => x.isClass || x.isTrait || x == AnyRefClass/* which is now a type alias */) toSet
  def comments = {
    if (settings.debug || settings.verbose)
      inform("Found %d uncompilable files: %s".format(files.size, files mkString ", "))

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

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

Other Scala source code examples

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