mirror of https://github.com/sbt/sbt.git
109 lines
3.1 KiB
Scala
109 lines
3.1 KiB
Scala
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/* sbt -- Simple Build Tool
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* Copyright 2008, 2009 Mark Harrah
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*/
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package xsbt
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import xsbti.{F0,Logger}
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// The following code is based on scala.tools.nsc.reporters.{AbstractReporter, ConsoleReporter}
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// Copyright 2002-2009 LAMP/EPFL
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// Original author: Martin Odersky
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private final class LoggerReporter(maximumErrors: Int, log: Logger) extends scala.tools.nsc.reporters.Reporter
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{
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import scala.tools.nsc.util.{FakePos,NoPosition,Position}
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private val positions = new scala.collection.mutable.HashMap[Position, Severity]
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def error(msg: String) { error(FakePos("scalac"), msg) }
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def printSummary()
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{
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if(WARNING.count > 0)
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log.warn(Message(countElementsAsString(WARNING.count, "warning") + " found"))
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if(ERROR.count > 0)
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log.error(Message(countElementsAsString(ERROR.count, "error") + " found"))
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}
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def display(pos: Position, msg: String, severity: Severity)
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{
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severity.count += 1
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if(severity != ERROR || maximumErrors < 0 || severity.count <= maximumErrors)
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print(severityLogger(severity), pos, msg)
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}
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private def severityLogger(severity: Severity) =
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(m: F0[String]) =>
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{
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(severity match
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{
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case ERROR => log.error(m)
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case WARNING => log.warn(m)
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case INFO => log.info(m)
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})
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}
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private def print(logger: F0[String] => Unit, posIn: Position, msg: String)
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{
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def log(s: => String) = logger(Message(s))
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// the implicits keep source compatibility with the changes in 2.8 : Position.{source,line,column} are no longer Options
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implicit def anyToOption[T <: AnyRef](t: T): Option[T] = Some(t)
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implicit def intToOption(t: Int): Option[Int] = Some(t)
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val pos =
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posIn match
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{
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case null | NoPosition => NoPosition
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case x: FakePos => x
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case x =>
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posIn.inUltimateSource(posIn.source.get)
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}
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pos match
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{
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case NoPosition => log(msg)
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case FakePos(fmsg) => log(fmsg+" "+msg)
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case _ =>
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val sourcePrefix = pos.source.map(_.file.path).getOrElse("")
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val lineNumberString = pos.line.map(line => ":" + line + ":").getOrElse(":") + " "
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log(sourcePrefix + lineNumberString + msg)
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if (!pos.line.isEmpty)
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{
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val lineContent = pos.lineContent.stripLineEnd
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log(lineContent) // source line with error/warning
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for(offset <- pos.offset; src <- pos.source)
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{
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val pointer = offset - src.lineToOffset(src.offsetToLine(offset))
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val pointerSpace = lineContent.take(pointer).map { case '\t' => '\t'; case x => ' ' }
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log(pointerSpace.mkString + "^") // pointer to the column position of the error/warning
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}
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}
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}
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}
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override def reset =
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{
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super.reset
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positions.clear
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}
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protected def info0(pos: Position, msg: String, severity: Severity, force: Boolean)
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{
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severity match
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{
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case WARNING | ERROR =>
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{
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if(!testAndLog(pos, severity))
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display(pos, msg, severity)
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}
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case _ => display(pos, msg, severity)
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}
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}
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private def testAndLog(pos: Position, severity: Severity): Boolean =
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{
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if(pos == null || pos.offset.isEmpty)
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false
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else if(positions.get(pos).map(_ >= severity).getOrElse(false))
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true
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else
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{
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positions(pos) = severity
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false
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}
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}
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}
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