Added parens to many methods.

scalac -Xlint said:
  warning: side-effecting nullary methods are discouraged: suggest defining as `def initErrorCheck()` instead

x 56. Plus a couple other linty things. No review.

6 files changed, 11 insertions, 11 deletions

diff --git a/src/compiler/scala/reflect/runtime/RuntimeTypes.scala b/src/compiler/scala/reflect/runtime/RuntimeTypes.scala
index 497290dbbc..00b1a028fd 100644
--- a/src/compiler/scala/reflect/runtime/RuntimeTypes.scala
+++ b/src/compiler/scala/reflect/runtime/RuntimeTypes.scala
@@ -11,7 +11,7 @@ trait RuntimeTypes extends Universe with api.RuntimeTypes {
   // case class Literal(x: Any),
   // once calls to the deprecated factory Literal(x: Any) has been eliminated from all code.
   case class FreeValue(any: Any) extends Tree {
-    protected def initErrorCheck {
+    protected def initErrorCheck() {
       hasErrorTree = Some(false)
     }
   }
diff --git a/src/compiler/scala/tools/nsc/ast/TreeBrowsers.scala b/src/compiler/scala/tools/nsc/ast/TreeBrowsers.scala
index 37dea497fc..47715e5e68 100644
--- a/src/compiler/scala/tools/nsc/ast/TreeBrowsers.scala
+++ b/src/compiler/scala/tools/nsc/ast/TreeBrowsers.scala
@@ -37,7 +37,7 @@ abstract class TreeBrowsers {
   def create(): SwingBrowser = new SwingBrowser();
 
   trait ValidTree extends Tree {
-    protected def initErrorCheck {
+    protected def initErrorCheck() {
       hasErrorTree = Some(false)
     }
   }
diff --git a/src/compiler/scala/tools/nsc/ast/Trees.scala b/src/compiler/scala/tools/nsc/ast/Trees.scala
index db5848f92b..cb1d5dd274 100644
--- a/src/compiler/scala/tools/nsc/ast/Trees.scala
+++ b/src/compiler/scala/tools/nsc/ast/Trees.scala
@@ -19,7 +19,7 @@ trait Trees extends reflect.internal.Trees { self: Global =>
   // --- additional cases --------------------------------------------------------
   /** Only used during parsing */
   case class Parens(args: List[Tree]) extends Tree {
-    protected def initErrorCheck {
+    protected def initErrorCheck() {
       hasErrorTree = containsErrorCheck(args)
     }
   }
@@ -33,7 +33,7 @@ trait Trees extends reflect.internal.Trees { self: Global =>
     override def isTerm = definition.isTerm
     override def isType = definition.isType
 
-    protected def initErrorCheck {
+    protected def initErrorCheck() {
       hasErrorTree = containsErrorCheck(definition)
     }
   }
@@ -44,7 +44,7 @@ trait Trees extends reflect.internal.Trees { self: Global =>
    */
   case class AssignOrNamedArg(lhs: Tree, rhs: Tree)
        extends TermTree {
-    protected def initErrorCheck {
+    protected def initErrorCheck() {
       hasErrorTree = containsErrorCheck(List(lhs, rhs))
     }
   }
@@ -52,14 +52,14 @@ trait Trees extends reflect.internal.Trees { self: Global =>
  /** Array selection <qualifier> . <name> only used during erasure */
   case class SelectFromArray(qualifier: Tree, name: Name, erasure: Type)
        extends TermTree with RefTree {
-    protected def initErrorCheck {
+    protected def initErrorCheck() {
       hasErrorTree = containsErrorCheck(qualifier)
     }
   }
 
   /** emitted by typer, eliminated by refchecks */
   case class TypeTreeWithDeferredRefCheck()(val check: () => Either[AbsErrorTree, TypeTree]) extends TypTree {
-    protected def initErrorCheck {
+    protected def initErrorCheck() {
       hasErrorTree = Some(false)
     }
   }
diff --git a/src/compiler/scala/tools/nsc/interpreter/JLineReader.scala b/src/compiler/scala/tools/nsc/interpreter/JLineReader.scala
index 2e3dc506c6..99f6b627eb 100644
--- a/src/compiler/scala/tools/nsc/interpreter/JLineReader.scala
+++ b/src/compiler/scala/tools/nsc/interpreter/JLineReader.scala
@@ -54,7 +54,7 @@ class JLineReader(_completion: => Completion) extends InteractiveReader {
     // A hook for running code after the repl is done initializing.
     lazy val postInit: Unit = {
       this setBellEnabled false
-      if (history ne NoHistory)
+      if ((history: History) ne NoHistory)
         this setHistory history
 
       if (completion ne NoCompletion) {
diff --git a/src/compiler/scala/tools/nsc/interpreter/Power.scala b/src/compiler/scala/tools/nsc/interpreter/Power.scala
index 477803ed5b..7887fb8d84 100644
--- a/src/compiler/scala/tools/nsc/interpreter/Power.scala
+++ b/src/compiler/scala/tools/nsc/interpreter/Power.scala
@@ -318,7 +318,7 @@ abstract class Power(
 
   class RichReplString(s: String) {
     // pretty print the string
-    def pp { intp.prettyPrint(s) }
+    def pp() { intp.prettyPrint(s) }
     // make an url out of the string
     def u: URL = (
       if (s contains ":") new URL(s)
@@ -333,7 +333,7 @@ abstract class Power(
   }
   class RichReplURL(url: URL)(implicit codec: Codec) {
     def slurp(): String = io.Streamable.slurp(url)
-    def pp { intp prettyPrint slurp() }
+    def pp() { intp prettyPrint slurp() }
   }
 
   protected trait Implicits1 {
diff --git a/src/compiler/scala/tools/nsc/typechecker/ErrorTrees.scala b/src/compiler/scala/tools/nsc/typechecker/ErrorTrees.scala
index 714c4384ce..a7fecf1373 100644
--- a/src/compiler/scala/tools/nsc/typechecker/ErrorTrees.scala
+++ b/src/compiler/scala/tools/nsc/typechecker/ErrorTrees.scala
@@ -10,7 +10,7 @@ trait ErrorTrees {
 
     def emit(context: Context): Unit
     def emit(): Unit = emit(typer.context.asInstanceOf[Context])
-    protected def initErrorCheck {
+    protected def initErrorCheck() {
       hasErrorTree = Some(true)
     }
     def exception: TypeError = null // Once we get rid of all thrown type errors (apart from cyclic), remove