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package dotty.tools
package dotc
package reporting
import core.Contexts.Context
import collection.mutable
import config.Printers.typr
import diagnostic.MessageContainer
import diagnostic.messages._
/** This class implements a Reporter that stores all messages
*
* Beware that this reporter can leak memory, and force messages in two
* scenarios:
*
* - During debugging `config.Printers.typr` is set from `noPrinter` to `new
* Printer`, which forces the message
* - The reporter is not flushed and the message containers capture a
* `Context` (about 4MB)
*/
class StoreReporter(outer: Reporter) extends Reporter {
private var infos: mutable.ListBuffer[MessageContainer] = null
def doReport(m: MessageContainer)(implicit ctx: Context): Unit = {
typr.println(s">>>> StoredError: ${m.message}") // !!! DEBUG
if (infos == null) infos = new mutable.ListBuffer
infos += m
}
override def hasPending: Boolean = infos != null && {
infos exists {
case _: Error => true
case _: Warning => true
case _ => false
}
}
override def removeBufferedMessages(implicit ctx: Context): List[MessageContainer] =
if (infos != null) try infos.toList finally infos = null
else Nil
override def errorsReported = hasErrors || outer.errorsReported
}
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