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Make -Ylog:X log only phase X #273

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Make -Ylog:X log only phase X #273

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11 changes: 2 additions & 9 deletions src/dotty/tools/dotc/reporting/Reporter.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -101,16 +101,9 @@ trait Reporting { this: Context =>
def incompleteInputError(msg: String, pos: SourcePosition = NoSourcePosition)(implicit ctx: Context): Unit =
reporter.incomplete(new Error(msg, pos))(ctx)

/** Log msg if current phase or its precedessor is mentioned in
* settings.log.
* The reason we also pick the predecessor is that during the
* tree transform of phase X, we often are already in phase X+1.
* It's convenient to have logging work independently of whether
* we have advanced the phase or not.
*/
/** Log msg if current phase is mentioned in settings.log */
def log(msg: => String): Unit =
if (this.settings.log.value.containsPhase(phase) ||
this.settings.log.value.containsPhase(phase.prev))
if (this.settings.log.value.containsPhase(phase))
echo(s"[log ${ctx.phasesStack.reverse.mkString(" -> ")}] $msg")

def debuglog(msg: => String): Unit =
Expand Down