Merge pull request #306 from voxik/ruby-3-compat

Ruby 3 compat

lib/web_console/evaluator.rb

@@ -19,7 +19,12 @@ def initialize(binding = TOPLEVEL_BINDING)
     end
 
     def eval(input)
-      "=> #{@binding.eval(input).inspect}\n"
+      # Binding#source_location is available since Ruby 2.6.
+      if @binding.respond_to? :source_location
+        "=> #{@binding.eval(input, *@binding.source_location).inspect}\n"
+      else
+        "=> #{@binding.eval(input).inspect}\n"
+      end
     rescue Exception => exc
       format_exception(exc)
     end

test/web_console/session_test.rb

@@ -51,6 +51,9 @@ def eval(string)
           end
         end
 
+        def source_location
+        end
+
         self
       end