Support Ruby 2.6 and below

ruby · Mar 19, 2021 · 66809bd · 66809bd
1 parent 5749bda
commit 66809bd
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Showing 2 changed files with 14 additions and 7 deletions.
diff --git a/lib/irb/cmd/nop.rb b/lib/irb/cmd/nop.rb
@@ -14,10 +14,16 @@ module IRB
   module ExtendCommand
     class Nop
 
-
-      def self.execute(conf, *opts, **kwargs, &block)
-        command = new(conf)
-        command.execute(*opts, **kwargs, &block)
+      if RUBY_VERSION >= "2.7.0"
+        def self.execute(conf, *opts, **kwargs, &block)
+          command = new(conf)
+          command.execute(*opts, **kwargs, &block)
+        end
+      else
+        def self.execute(conf, *opts, &block)
+          command = new(conf)
+          command.execute(*opts, &block)
+        end
       end
 
       def initialize(conf)

diff --git a/lib/irb/extend-command.rb b/lib/irb/extend-command.rb
@@ -174,12 +174,13 @@ def self.def_extend_command(cmd_name, cmd_class, load_file = nil, *aliases)
       end
 
       if load_file
+        kwargs = ", **kwargs" if RUBY_VERSION >= "2.7.0"
         line = __LINE__; eval %[
-          def #{cmd_name}(*opts, **kwargs, &b)
+          def #{cmd_name}(*opts#{kwargs}, &b)
             require "#{load_file}"
             arity = ExtendCommand::#{cmd_class}.instance_method(:execute).arity
             args = (1..(arity < 0 ? ~arity : arity)).map {|i| "arg" + i.to_s }
-            args << "*opts, **kwargs" if arity < 0
+            args << "*opts#{kwargs}" if arity < 0
             args << "&block"
             args = args.join(", ")
             line = __LINE__; eval %[
@@ -190,7 +191,7 @@ def self.#{cmd_name}_(\#{args})
                 end
               end
             ], nil, __FILE__, line
-            __send__ :#{cmd_name}_, *opts, **kwargs, &b
+            __send__ :#{cmd_name}_, *opts#{kwargs}, &b
           end
         ], nil, __FILE__, line
       else