/* NSC -- new scala compiler
 * Copyright 2005 LAMP/EPFL
 * @author  Martin Odersky
 */
// $Id$
package scala.tools.nsc;

import scala.tools.nsc.util.{SourceFile, Position};
import scala.tools.nsc.util.FreshNameCreator;
import scala.tools.util.AbstractFile;
import scala.collection.mutable.HashSet;

[_trait_] abstract class CompilationUnits: Global {

  class CompilationUnit(val source: SourceFile, val mixinOnly: boolean) {

    /** short constructor */
    def this(source: SourceFile) = this(source, false);

    /** the fresh name creator */
    val fresh = new FreshNameCreator;

    /** the content of the compilation unit in tree form */
    var body: Tree = EmptyTree;

    val depends = new HashSet[AbstractFile];

    def position(pos: int) = new Position(source, pos);

    def error(pos: int, msg: String) = reporter.error(position(pos), msg);
    def warning(pos: int, msg: String) = reporter.warning(position(pos), msg);
    override def toString() = source.toString();

  }
}