From db2ecac66a2b4b813148707e26aa5f9b35daecd7 Mon Sep 17 00:00:00 2001
From: Guillaume Martres <smarter@ubuntu.com>
Date: Mon, 31 Jul 2017 17:22:35 +0200
Subject: [PATCH] Fix #2929: REPL error for classes with a show method

Don't rely on implicit conversion to call the .show method
---
 .../src/dotty/tools/dotc/repl/CompilingInterpreter.scala | 2 +-
 tests/repl/showMethod.check                              | 9 +++++++++
 2 files changed, 10 insertions(+), 1 deletion(-)
 create mode 100644 tests/repl/showMethod.check

diff --git a/compiler/src/dotty/tools/dotc/repl/CompilingInterpreter.scala b/compiler/src/dotty/tools/dotc/repl/CompilingInterpreter.scala
index ca38ba10777a..85f47692f4fa 100644
--- a/compiler/src/dotty/tools/dotc/repl/CompilingInterpreter.scala
+++ b/compiler/src/dotty/tools/dotc/repl/CompilingInterpreter.scala
@@ -724,7 +724,7 @@ class CompilingInterpreter(
            |  if ($fullPath.asInstanceOf[AnyRef] != null) {
            |    (if ($fullPath.toString().contains('\\n')) "\\n" else "") + {
            |      import dotty.Show._
-           |      $fullPath.show /*toString()*/ + "\\n"
+           |      (new ShowValue($fullPath)).show /*toString()*/ + "\\n"
            |    }
            |  } else {
            |    "null\\n"
diff --git a/tests/repl/showMethod.check b/tests/repl/showMethod.check
new file mode 100644
index 000000000000..428e3a2f6ed1
--- /dev/null
+++ b/tests/repl/showMethod.check
@@ -0,0 +1,9 @@
+scala> class A { def show = "hello"; override def toString = "A" }
+defined class A
+scala> new A
+val res0: A = A
+scala> class B { def show() = "hello"; override def toString = "B" }
+defined class B
+scala> new B
+val res1: B = B
+scala> :quit