context.rb: hide wrapping lines

* lib/irb/context.rb (IRB::Context#evaluate): separate the code
  from wrapping lines to propagate the given exception, not to show
  the wrapping lines when SyntaxError.

1 files changed, 5 insertions, 0 deletions

diff --git a/test/irb/test_context.rb b/test/irb/test_context.rb
index 96e6fbfc61..8b245d105d 100644
--- a/test/irb/test_context.rb
+++ b/test/irb/test_context.rb
@@ -52,6 +52,11 @@ module TestIRB
       }
       assert_equal('foo', e.message)
       assert_same(e, @context.evaluate('$!', 1, exception: e))
+      e = assert_raise(SyntaxError) {
+        @context.evaluate("1,2,3", 1, exception: e)
+      }
+      assert_match(/\A\(irb\):1:/, e.message)
+      assert_not_match(/rescue _\.class/, e.message)
     end
 
     def test_eval_input