nobu	2018-01-20 14:39:02 +0900 (Sat, 20 Jan 2018)

  New Revision: 61975

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=61975

  Log:
    dsl.rb: ID constants
    
    * ext/ripper/tools/dsl.rb (DSL#method_missing): expand ID
      constnats without parentheses.

  Modified files:
    trunk/ext/ripper/tools/dsl.rb
    trunk/parse.y
Index: parse.y
===================================================================
--- parse.y	(revision 61974)
+++ parse.y	(revision 61975)
@@ -1646,7 +1646,7 @@ lhs		: user_variable https://github.com/ruby/ruby/blob/trunk/parse.y#L1646
 		    /*%%%*/
 			$$ = attrset(p, $1, idCOLON2, $3, &@$);
 		    /*% %*/
-		    /*% ripper: field!($1, "ID2VAL(idCOLON2)", $3) %*/
+		    /*% ripper: field!($1, ID2VAL(idCOLON2), $3) %*/
 		    }
 		| primary_value call_op tCONSTANT
 		    {
@@ -3613,7 +3613,7 @@ numeric 	: simple_numeric https://github.com/ruby/ruby/blob/trunk/parse.y#L3613
 			$$ = $2;
 			add_mark_object(p, $$->nd_lit = negate_lit(p, $$->nd_lit));
 		    /*% %*/
-		    /*% ripper: unary!("ID2VAL(idUMinus)", $2) %*/
+		    /*% ripper: unary!(ID2VAL(idUMinus), $2) %*/
 		    }
 		;
 
Index: ext/ripper/tools/dsl.rb
===================================================================
--- ext/ripper/tools/dsl.rb	(revision 61974)
+++ ext/ripper/tools/dsl.rb	(revision 61975)
@@ -43,6 +43,8 @@ class DSL https://github.com/ruby/ruby/blob/trunk/ext/ripper/tools/dsl.rb#L43
       event = $`
       @events[event] = args.size
       "dispatch#{ args.size }(#{ [event, *args].join(", ") })"
+    elsif args.empty? and /\Aid[A-Z]/ =~ event.to_s
+      event
     else
       "#{ event }(#{ args.join(", ") })"
     end

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