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package dotty.tools
package dotc
package reporting
import scala.collection.mutable
import util.SourcePosition
import core.Contexts._
import Reporter._
import java.io.PrintWriter
import scala.reflect.internal.util._
import diagnostic.{ Message, MessageContainer, NoExplanation }
import diagnostic.messages._
class TestReporter(writer: PrintWriter) extends Reporter
with UniqueMessagePositions with HideNonSensicalMessages {
import MessageContainer._
/** maximal number of error messages to be printed */
protected def ErrorLimit = 100
def printPos(pos: SourcePosition): Unit =
if (pos.exists) {
if (pos.outer.exists) {
writer.println(s"\ninlined at ${pos.outer}:\n")
printPos(pos.outer)
}
}
/** Prints the message with the given position indication. */
def printMessageAndPos(msg: String, pos: SourcePosition)(implicit ctx: Context): Unit = {
val posStr = s"${pos.line + 1}: "
writer.println(posStr + msg)
printPos(pos)
}
override def doReport(m: MessageContainer)(implicit ctx: Context): Unit = {
// Here we add extra information that we should know about the error message
val extra = m.contained match {
case pm: PatternMatchExhaustivity => s": ${pm.uncovered}"
case _ => ""
}
m match {
case m: Error =>
printMessageAndPos(m.contained.kind + extra, m.pos)
case w: Warning =>
printMessageAndPos(w.contained.kind + extra, w.pos)
case _ =>
}
}
}
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