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/* NSC -- new Scala compiler
* Copyright 2005-2006 LAMP/EPFL
* @author Martin Odersky
*/
// $Id$
package scala.tools.nsc
import scala.tools.nsc.util.{FreshNameCreator,Position,SourceFile}
import scala.tools.nsc.io.AbstractFile
import scala.collection.mutable.HashSet
trait CompilationUnits requires Global {
class CompilationUnit(val source: SourceFile) {
/** the fresh name creator */
var 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)
val errorPositions = new HashSet[int]
def error(pos: int, msg: String) =
if (!(errorPositions contains pos)) {
errorPositions += pos
reporter.error(position(pos), msg)
}
def warning(pos: int, msg: String) = reporter.warning(position(pos), msg)
override def toString() = source.toString()
def clear() = {
fresh = null
body = null
depends.clear
errorPositions.clear
}
}
}
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