Fix for SI-6273, repl string interpolation.

As usual the hard part is tracing through all the
needless abstraction.  Begone, 25 layers of parsing error
issuing methods!

2 files changed, 7 insertions, 3 deletions

diff --git a/src/compiler/scala/tools/nsc/ast/parser/Scanners.scala b/src/compiler/scala/tools/nsc/ast/parser/Scanners.scala
index e6bf43fe93..dd0f8fdbe0 100644
--- a/src/compiler/scala/tools/nsc/ast/parser/Scanners.scala
+++ b/src/compiler/scala/tools/nsc/ast/parser/Scanners.scala
@@ -754,8 +754,12 @@ trait Scanners extends ScannersCommon {
       } else {
         val isUnclosedLiteral = !isUnicodeEscape && (ch == SU || (!multiLine && (ch == CR || ch == LF)))
         if (isUnclosedLiteral) {
-          syntaxError(if (!multiLine) "unclosed string literal" else "unclosed multi-line string literal")
-        } else {
+          if (multiLine)
+            incompleteInputError("unclosed multi-line string literal")
+          else
+            syntaxError("unclosed string literal")
+        }
+        else {
           putChar(ch)
           nextRawChar()
           getStringPart(multiLine)
diff --git a/src/compiler/scala/tools/nsc/interpreter/ExprTyper.scala b/src/compiler/scala/tools/nsc/interpreter/ExprTyper.scala
index f49e8d6b59..0f5777d260 100644
--- a/src/compiler/scala/tools/nsc/interpreter/ExprTyper.scala
+++ b/src/compiler/scala/tools/nsc/interpreter/ExprTyper.scala
@@ -37,7 +37,7 @@ trait ExprTyper {
   }
 
   /** Parse a line into a sequence of trees. Returns None if the input is incomplete. */
-  def parse(line: String): Option[List[Tree]] = {
+  def parse(line: String): Option[List[Tree]] = debugging(s"""parse("$line")""")  {
     var isIncomplete = false
     reporter.withIncompleteHandler((_, _) => isIncomplete = true) {
       val trees = codeParser.stmts(line)