Rewrite scala3-library and scala3-compiler to indent using #17522

compiler/src/dotty/tools/MainGenericCompiler.scala

@@ -40,7 +40,7 @@ case class CompileSettings(
   compiler: Boolean = false,
   quiet: Boolean = false,
   colors: Boolean = false,
-) {
+):
   def withCompileMode(em: CompileMode): CompileSettings = this.compileMode match
     case CompileMode.Guess =>
       this.copy(compileMode = em)
@@ -83,9 +83,8 @@ case class CompileSettings(
 
   def withNoColors: CompileSettings =
     this.copy(colors = false)
-}
 
-object MainGenericCompiler {
+object MainGenericCompiler:
 
   val classpathSeparator = File.pathSeparator
 
@@ -185,4 +184,3 @@ object MainGenericCompiler {
 
     run(settings)
   end main
-}

compiler/src/dotty/tools/MainGenericRunner.scala

@@ -42,7 +42,7 @@ case class Settings(
   modeShouldBePossibleRun: Boolean = false,
   modeShouldBeRun: Boolean = false,
   compiler: Boolean = false,
-) {
+):
   def withExecuteMode(em: ExecuteMode): Settings = this.executeMode match
     case ExecuteMode.Guess | ExecuteMode.PossibleRun =>
       this.copy(executeMode = em)
@@ -94,9 +94,8 @@ case class Settings(
 
   def withCompiler: Settings =
     this.copy(compiler = true)
-}
 
-object MainGenericRunner {
+object MainGenericRunner:
 
   val classpathSeparator = File.pathSeparator
 
@@ -212,7 +211,7 @@ object MainGenericRunner {
       case ExecuteMode.Run =>
         val scalaClasspath = ClasspathFromClassloader(Thread.currentThread().getContextClassLoader).split(classpathSeparator)
         val newClasspath = (settings.classPath.flatMap(_.split(classpathSeparator).filter(_.nonEmpty)) ++ removeCompiler(scalaClasspath) :+ ".").map(File(_).toURI.toURL)
-        ObjectRunner.runAndCatch(newClasspath, settings.targetToRun, settings.residualArgs).flatMap {
+        ObjectRunner.runAndCatch(newClasspath, settings.targetToRun, settings.residualArgs).flatMap:
           case ex: ClassNotFoundException if ex.getMessage == settings.targetToRun =>
             val file = settings.targetToRun
             Jar(file).mainClass match
@@ -221,7 +220,6 @@ object MainGenericRunner {
               case None =>
                 Some(IllegalArgumentException(s"No main class defined in manifest in jar: $file"))
           case ex => Some(ex)
-        }
 
       case ExecuteMode.Script =>
         val targetScript = Paths.get(settings.targetScript).toFile
@@ -250,10 +248,9 @@ object MainGenericRunner {
           scripting.Main.process(properArgs.toArray)
 
       case ExecuteMode.Expression =>
-        val cp = settings.classPath match {
+        val cp = settings.classPath match
           case Nil => ""
           case list => list.mkString(classpathSeparator)
-        }
         val cpArgs = if cp.isEmpty then Nil else List("-classpath", cp)
         val properArgs = cpArgs ++ settings.residualArgs ++ settings.scalaArgs
         val driver = StringDriver(properArgs.toArray, settings.targetExpression)
@@ -280,4 +277,3 @@ object MainGenericRunner {
   def main(args: Array[String]): Unit =
     if (!process(args)) System.exit(1)
 
-}

compiler/src/dotty/tools/backend/ScalaPrimitivesOps.scala

@@ -3,7 +3,7 @@ package backend
 
 object ScalaPrimitivesOps extends ScalaPrimitivesOps
 
-class ScalaPrimitivesOps {
+class ScalaPrimitivesOps:
   // Arithmetic unary operations
   inline val POS = 1                            // +x
   inline val NEG = 2                            // -x
@@ -165,68 +165,58 @@ class ScalaPrimitivesOps {
   def isArrayOp(code: Int): Boolean =
     isArrayNew(code) | isArrayLength(code) | isArrayGet(code) | isArraySet(code)
 
-  def isArrayNew(code: Int): Boolean = code match {
+  def isArrayNew(code: Int): Boolean = code match
     case NEW_ZARRAY | NEW_BARRAY | NEW_SARRAY | NEW_CARRAY |
          NEW_IARRAY | NEW_LARRAY | NEW_FARRAY | NEW_DARRAY |
          NEW_OARRAY => true
     case _ => false
-  }
 
-  def isArrayLength(code: Int): Boolean = code match {
+  def isArrayLength(code: Int): Boolean = code match
     case ZARRAY_LENGTH | BARRAY_LENGTH | SARRAY_LENGTH | CARRAY_LENGTH |
          IARRAY_LENGTH | LARRAY_LENGTH | FARRAY_LENGTH | DARRAY_LENGTH |
          OARRAY_LENGTH | LENGTH => true
     case _ => false
-  }
 
-  def isArrayGet(code: Int): Boolean = code match {
+  def isArrayGet(code: Int): Boolean = code match
     case ZARRAY_GET | BARRAY_GET | SARRAY_GET | CARRAY_GET |
          IARRAY_GET | LARRAY_GET | FARRAY_GET | DARRAY_GET |
          OARRAY_GET | APPLY => true
     case _ => false
-  }
 
-  def isArraySet(code: Int): Boolean = code match {
+  def isArraySet(code: Int): Boolean = code match
     case ZARRAY_SET | BARRAY_SET | SARRAY_SET | CARRAY_SET |
          IARRAY_SET | LARRAY_SET | FARRAY_SET | DARRAY_SET |
          OARRAY_SET | UPDATE => true
     case _ => false
-  }
 
   /** Check whether the given code is a comparison operator */
-  def isComparisonOp(code: Int): Boolean = code match {
+  def isComparisonOp(code: Int): Boolean = code match
     case ID | NI | EQ | NE |
          LT | LE | GT | GE => true
 
     case _ => false
-  }
   def isUniversalEqualityOp(code: Int): Boolean = (code == EQ) || (code == NE)
   def isReferenceEqualityOp(code: Int): Boolean = (code == ID) || (code == NI)
 
-  def isArithmeticOp(code: Int): Boolean = code match {
+  def isArithmeticOp(code: Int): Boolean = code match
     case POS | NEG | NOT => true; // unary
     case ADD | SUB | MUL |
          DIV | MOD       => true; // binary
     case OR  | XOR | AND |
          LSL | LSR | ASR => true; // bitwise
     case _ => false
-  }
 
-  def isLogicalOp(code: Int): Boolean = code match {
+  def isLogicalOp(code: Int): Boolean = code match
     case ZNOT | ZAND | ZOR => true
     case _ => false
-  }
 
-  def isShiftOp(code: Int): Boolean = code match {
+  def isShiftOp(code: Int): Boolean = code match
     case LSL | LSR | ASR => true
     case _ => false
-  }
 
-  def isBitwiseOp(code: Int): Boolean = code match {
+  def isBitwiseOp(code: Int): Boolean = code match
     case OR | XOR | AND => true
     case _ => false
-  }
 
   def isCoercion(code: Int): Boolean = (code >= B2B) && (code <= D2D)
 
-}

compiler/src/dotty/tools/backend/WorklistAlgorithm.scala

@@ -14,22 +14,20 @@ package backend
  * @version 1.0
  * @see     [[scala.tools.nsc.backend.icode.Linearizers]]
  */
-trait WorklistAlgorithm {
+trait WorklistAlgorithm:
   type Elem
-  class WList {
+  class WList:
     private var list: List[Elem] = Nil
     def isEmpty = list.isEmpty
     def nonEmpty = !isEmpty
     def push(e: Elem): Unit = { list = e :: list }
-    def pop(): Elem = {
+    def pop(): Elem =
       val head = list.head
       list = list.tail
       head
-    }
     def pushAll(xs: Iterable[Elem]): Unit = xs.foreach(push)
     def clear(): Unit = list = Nil
 
-  }
 
   val worklist: WList
 
@@ -38,12 +36,11 @@ trait WorklistAlgorithm {
    * The initializer is run once before the loop starts and should
    * initialize the worklist.
    */
-  def run(initWorklist: => Unit) = {
+  def run(initWorklist: => Unit) =
     initWorklist
 
     while (worklist.nonEmpty)
       processElement(dequeue)
-  }
 
   /**
    * Process the current element from the worklist.
@@ -54,4 +51,3 @@ trait WorklistAlgorithm {
    * Remove and return the first element to be processed from the worklist.
    */
   def dequeue: Elem
-}

compiler/src/dotty/tools/backend/jvm/AsmUtils.scala

@@ -9,7 +9,7 @@ import java.io.PrintWriter
 import scala.tools.asm.util.{TraceClassVisitor, TraceMethodVisitor, Textifier}
 import scala.tools.asm.ClassReader
 
-object AsmUtils {
+object AsmUtils:
 
   /**
    * Print the bytecode of methods generated by GenBCode to the standard output. Only methods
@@ -33,33 +33,28 @@ object AsmUtils {
   inline val traceSerializedClassEnabled = false
   inline val traceSerializedClassPattern = ""
 
-  def traceMethod(mnode: MethodNode1): Unit = {
+  def traceMethod(mnode: MethodNode1): Unit =
     println(s"Bytecode for method ${mnode.name}")
     val p = new Textifier
     val tracer = new TraceMethodVisitor(p)
     mnode.accept(tracer)
     val w = new PrintWriter(System.out)
     p.print(w)
     w.flush()
-  }
 
-  def traceClass(cnode: ClassNode1): Unit = {
+  def traceClass(cnode: ClassNode1): Unit =
     println(s"Bytecode for class ${cnode.name}")
     val w = new PrintWriter(System.out)
     cnode.accept(new TraceClassVisitor(w))
     w.flush()
-  }
 
   def traceClass(bytes: Array[Byte]): Unit = traceClass(readClass(bytes))
 
-  def readClass(bytes: Array[Byte]): ClassNode1 = {
+  def readClass(bytes: Array[Byte]): ClassNode1 =
     val node = new ClassNode1()
     new ClassReader(bytes).accept(node, 0)
     node
-  }
 
-  def instructionString(instruction: AbstractInsnNode): String = instruction.getOpcode match {
+  def instructionString(instruction: AbstractInsnNode): String = instruction.getOpcode match
     case -1 => instruction.toString
     case op => scala.tools.asm.util.Printer.OPCODES(op)
-  }
-}