[ruby/irb] Add whereami command

https://github.com/ruby/irb/commit/bc822e4aac

2 files changed, 25 insertions, 0 deletions

diff --git a/lib/irb/cmd/whereami.rb b/lib/irb/cmd/whereami.rb
new file mode 100644
index 0000000000..b3def11b93
--- /dev/null
+++ b/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:
diff --git a/lib/irb/extend-command.rb b/lib/irb/extend-command.rb
index e7b046ad4e..f50068d06c 100644
--- a/lib/irb/extend-command.rb
+++ b/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: