org.scalafmt.cli.ScalafmtCliReporter.scala Maven / Gradle / Ivy

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package org.scalafmt.cli

import java.io.PrintWriter
import java.io.OutputStreamWriter
import java.nio.file.Path
import java.util.concurrent.atomic.AtomicReference

import org.scalafmt.Error.MisformattedFile
import org.scalafmt.interfaces.{PositionException, ScalafmtReporter}
import org.scalafmt.dynamic.exceptions.ScalafmtException

import scala.util.control.NoStackTrace

class ScalafmtCliReporter(options: CliOptions) extends ScalafmtReporter {
  private val exitCode = new AtomicReference(ExitCode.Ok)

  def getExitCode: ExitCode = exitCode.get()

  override def error(
      file: Path,
      message: String
  ): Unit = {
    if (!options.ignoreWarnings) {
      options.common.err.println(s"$message: $file")
      exitCode.getAndUpdate(ExitCode.merge(ExitCode.UnexpectedError, _))
    }
  }
  override def error(
      file: Path,
      e: Throwable
  ): Unit = {
    e match {
      case _: PositionException if !options.ignoreWarnings =>
        options.common.err.println(s"${e.toString}: $file")
        exitCode.getAndUpdate(ExitCode.merge(ExitCode.ParseError, _))
      case MisformattedFile(_, diff) =>
        options.common.err.println(diff)
        exitCode.getAndUpdate(ExitCode.merge(ExitCode.TestError, _))
      case ScalafmtException(_, cause) => error(file, cause)
      case _ if !options.ignoreWarnings =>
        new FailedToFormat(file.toString, e)
          .printStackTrace(options.common.err)
        exitCode.getAndUpdate(ExitCode.merge(ExitCode.UnexpectedError, _))
    }
  }

  override def excluded(file: Path): Unit =
    options.common.debug.println(s"file excluded: $file")

  override def parsedConfig(
      config: Path,
      scalafmtVersion: String
  ): Unit =
    options.common.debug.println(s"parsed config (v$scalafmtVersion): $config")

  override def downloadWriter(): PrintWriter =
    new PrintWriter(options.common.out)

  override def downloadOutputStreamWriter(): OutputStreamWriter =
    new OutputStreamWriter(options.common.out)
}

private class FailedToFormat(filename: String, cause: Throwable)
    extends Exception(filename, cause)
    with NoStackTrace