Merge pull request #392 from viralpraxis/fix-rescue-node-in-class-self-unparsing

Fix `rescue` in `class << self` unparsing

Author: mbj

lib/unparser.rb

@@ -250,6 +250,7 @@ def self.buffer(source, identification = '(string)')
 require 'unparser/emitter/defined'
 require 'unparser/emitter/dstr'
 require 'unparser/emitter/dsym'
+require 'unparser/emitter/ensure'
 require 'unparser/emitter/flipflop'
 require 'unparser/emitter/float'
 require 'unparser/emitter/flow_modifier'

lib/unparser/emitter/ensure.rb

@@ -0,0 +1,16 @@
+# frozen_string_literal: true
+
+module Unparser
+  class Emitter
+    # Emitter for ensure nodes
+    class Ensure < self
+      handle :ensure
+
+    private
+
+      def dispatch
+        emit_ensure(node)
+      end
+    end # Ensure
+  end # Emitter
+end # Unparser

test/corpus/semantic/rescue.rb

@@ -3,3 +3,11 @@ module M
 rescue => e
   e
 end
+class A
+  class << self
+  rescue
+    else
+  ensure
+  end
+end
+