[ruby/irb] Add whereami command

bc822e4aac

lib/irb/cmd/whereami.rb

@@ -0,0 +1,20 @@
+# frozen_string_literal: true
+
+require_relative "nop"
+
+# :stopdoc:
+module IRB
+  module ExtendCommand
+    class Whereami < Nop
+      def execute(*)
+        code = irb_context.workspace.code_around_binding
+        if code
+          puts code
+        else
+          puts "The current context doesn't have code."
+        end
+      end
+    end
+  end
+end
+# :startdoc:

lib/irb/extend-command.rb

@@ -135,6 +135,11 @@ module IRB # :nodoc:
         [:measure, NO_OVERRIDE],
       ],
 
+      [
+        :irb_whereami, :Whereami, "irb/cmd/whereami",
+        [:whereami, NO_OVERRIDE],
+      ],
+
     ]
 
     # Installs the default irb commands: