.

Author: lihaoyi

compiler/src/dotty/tools/dotc/printing/SyntaxHighlighting.scala

@@ -27,7 +27,7 @@ object SyntaxHighlighting {
   val CommentColor: String    = Console.BLUE
   val KeywordColor: String    = Console.YELLOW
   val ValDefColor: String     = Console.CYAN
-  val LiteralColor: String    = Console.RED
+  val LiteralColor: String    = Console.GREEN
   val StringColor: String     = Console.GREEN
   val TypeColor: String       = Console.MAGENTA
   val AnnotationColor: String = Console.MAGENTA
@@ -80,6 +80,9 @@ object SyntaxHighlighting {
           case IDENTIFIER if name == nme.??? =>
             highlightRange(start, end, Console.RED_B)
 
+          case IDENTIFIER if name.head.isUpper =>
+            highlightRange(start, end, TypeColor)
+
           case _ =>
         }
       }

compiler/test/dotty/tools/repl/ReplCompilerTests.scala

@@ -77,7 +77,7 @@ class ReplCompilerTests extends ReplTest:
       assertEquals(1, summon[State].imports.size)
       run("""mutable.Map("one" -> 1)""")
       assertEquals(
-        "val res0: scala.collection.mutable.Map[String, Int] = Map(\"one\" -> 1)",
+        "val res0: scala.collection.mutable.Map[String, Int] = HashMap(\"one\" -> 1)",
         storedOutput().trim
       )
     }
@@ -262,7 +262,7 @@ class ReplCompilerTests extends ReplTest:
 
   @Test def testSingletonPrint = initially {
     run("""val a = "hello"; val x: a.type = a""")
-    assertMultiLineEquals("val a: String = hello\nval x: a.type = \"hello\"", storedOutput().trim)
+    assertMultiLineEquals("val a: String =\" hello\"\nval x: a.type = \"hello\"", storedOutput().trim)
   }
 
   @Test def i6574 = initially {

staging/test-resources/repl-staging/i6007

@@ -5,6 +5,6 @@ def compiler: scala.quoted.staging.Compiler
 scala> def v(using Quotes) = '{ (if true then Some(1) else None).map(v => v+1) }
 def v(using x$1: scala.quoted.Quotes): scala.quoted.Expr[Option[Int]]
 scala> scala.quoted.staging.withQuotes(v.show)
-val res0: String = (if (true) scala.Some.apply[scala.Int](1) else scala.None).map[scala.Int](((v: scala.Int) => v.+(1)))
+val res0: String = "(if (true) scala.Some.apply[scala.Int](1) else scala.None).map[scala.Int](((v: scala.Int) => v.+(1)))"
 scala> scala.quoted.staging.run(v)
 val res1: Option[Int] = Some(2)