SI-10120 ReplReporter handles message indent

Instead of indenting source code to make messages
align on output, let the reporter add indentation,
only if the source is the console (and not a pastie
or a loaded file).

Previously, syntax errors were not indented.

```
$ skala
Welcome to Scala 2.12.2-20170108-010722-939abf1 (Java HotSpot(TM) 64-Bit Server VM, Java 1.8.0_111).
Type in expressions for evaluation. Or try :help.

scala> 'abc'
<console>:1: error: unclosed character literal (or use " for string literal "abc")
       'abc'
           ^

scala> :quit
$ scala
Welcome to Scala 2.12.1 (Java HotSpot(TM) 64-Bit Server VM, Java 1.8.0_111).
Type in expressions for evaluation. Or try :help.

scala> 'abc'
<console>:1: error: unclosed character literal
'abc'
    ^
```

7 files changed, 24 insertions, 10 deletions

diff --git a/test/files/run/reify_newimpl_22.check b/test/files/run/reify_newimpl_22.check
index 985f646579..b2f4d5624e 100644
--- a/test/files/run/reify_newimpl_22.check
+++ b/test/files/run/reify_newimpl_22.check
@@ -15,7 +15,7 @@ scala> {
   }
   println(code.eval)
 }
-<console>:19: free term: Ident(TermName("x")) defined by res0  in <console>:18:14
+<console>:19: free term: Ident(TermName("x")) defined by res0  in <console>:18:7
          val code = reify {
                           ^
 2
diff --git a/test/files/run/reify_newimpl_23.check b/test/files/run/reify_newimpl_23.check
index f60113c69f..abf314b26a 100644
--- a/test/files/run/reify_newimpl_23.check
+++ b/test/files/run/reify_newimpl_23.check
@@ -14,7 +14,7 @@ scala> def foo[T]{
   }
   println(code.eval)
 }
-<console>:17: free type: Ident(TypeName("T")) defined by foo in <console>:16:16
+<console>:17: free type: Ident(TypeName("T")) defined by foo in <console>:16:9
          val code = reify {
                           ^
 foo: [T]=> Unit
diff --git a/test/files/run/reify_newimpl_25.check b/test/files/run/reify_newimpl_25.check
index 9104d8df0b..d446caa91a 100644
--- a/test/files/run/reify_newimpl_25.check
+++ b/test/files/run/reify_newimpl_25.check
@@ -5,7 +5,7 @@ scala> {
   val tt = implicitly[TypeTag[x.type]]
   println(tt)
 }
-<console>:15: free term: Ident(TermName("x")) defined by res0  in <console>:14:14
+<console>:15: free term: Ident(TermName("x")) defined by res0  in <console>:14:7
          val tt = implicitly[TypeTag[x.type]]
                             ^
 TypeTag[x.type]
diff --git a/test/files/run/reify_newimpl_26.check b/test/files/run/reify_newimpl_26.check
index cbb21854ba..099231bf62 100644
--- a/test/files/run/reify_newimpl_26.check
+++ b/test/files/run/reify_newimpl_26.check
@@ -4,7 +4,7 @@ scala> def foo[T]{
   val tt = implicitly[WeakTypeTag[List[T]]]
   println(tt)
 }
-<console>:13: free type: Ident(TypeName("T")) defined by foo in <console>:11:16
+<console>:13: free type: Ident(TypeName("T")) defined by foo in <console>:11:9
          val tt = implicitly[WeakTypeTag[List[T]]]
                             ^
 foo: [T]=> Unit
diff --git a/test/files/run/repl-colon-type.check b/test/files/run/repl-colon-type.check
index 1217e8d8c2..0fa5695155 100644
--- a/test/files/run/repl-colon-type.check
+++ b/test/files/run/repl-colon-type.check
@@ -1,8 +1,8 @@
 
 scala> :type List[1, 2, 3]
 <console>:1: error: identifier expected but integer literal found.
-List[1, 2, 3]
-     ^
+       List[1, 2, 3]
+            ^
 
 scala> :type List(1, 2, 3)
 List[Int]
@@ -38,8 +38,8 @@ scala> :type protected lazy val f = 5
  Access to protected lazy value f not permitted because
  enclosing object $eval in package $line13 is not a subclass of
  object $iw where target is defined
-  lazy val $result = f
-                                           ^
+         lazy val $result = f
+                                                  ^
 
 scala> :type def f = 5
 => Int
diff --git a/test/files/run/t8918-unary-ids.check b/test/files/run/t8918-unary-ids.check
index 92f02371c7..b1f16ed56a 100644
--- a/test/files/run/t8918-unary-ids.check
+++ b/test/files/run/t8918-unary-ids.check
@@ -5,3 +5,17 @@ Expected 41 lines, got 39
 -Type in expressions to have them evaluated.
 -Type :help for more information.
  
+@@ -14,4 +12,4 @@
+ <console>:1: error: illegal start of simple expression
+-- if (true) 1 else 2
+-  ^
++       - if (true) 1 else 2
++         ^
+ 
+@@ -19,4 +17,4 @@
+ <console>:1: error: ';' expected but integer literal found.
+-- - 1
+-    ^
++       - - 1
++           ^
+ 
diff --git a/test/files/run/t9170.scala b/test/files/run/t9170.scala
index 87471fb129..cb7971235f 100644
--- a/test/files/run/t9170.scala
+++ b/test/files/run/t9170.scala
@@ -48,8 +48,8 @@ object Y {
 def f[A](a: => A): Int at line 12 and
 def f[A](a: => Either[Exception,A]): Int at line 13
 have same type after erasure: (a: Function0)Int
-         def f[A](a: => Either[Exception, A]) = 2
-             ^
+  def f[A](a: => Either[Exception, A]) = 2
+      ^
 
 scala> :quit"""
 }