Ruby

=begin
This seems to be unused by ((%compile.c%)). The logic in ((%parse.y%)) seems dead (in both 1.9.3 and 2.0.0 trunk):

diff --git a/node.h b/node.h
index be91a31..0bef26f 100644
--- a/node.h
+++ b/node.h
@@ -376,7 +376,7 @@ typedef struct RNode {
#define NEW_RESBODY(a,ex,n) NEW_NODE(NODE_RESBODY,n,ex,a)
#define NEW_ENSURE(b,en) NEW_NODE(NODE_ENSURE,b,0,en)
#define NEW_RETURN(s) NEW_NODE(NODE_RETURN,s,0,0)
-#define NEW_YIELD(a,s) NEW_NODE(NODE_YIELD,a,0,s)
+#define NEW_YIELD(a) NEW_NODE(NODE_YIELD,a,0,0)
#define NEW_LIST(a) NEW_ARRAY(a)
#define NEW_ARRAY(a) NEW_NODE(NODE_ARRAY,a,1,0)
#define NEW_ZARRAY() NEW_NODE(NODE_ZARRAY,0,0,0)
diff --git a/parse.y b/parse.y
index 8ee7cdb..3bab75b 100644
--- a/parse.y
+++ b/parse.y
@@ -2753,7 +2753,7 @@ primary : literal
| keyword_yield '(' rparen
{
/%%%/

•  	$$ = NEW_YIELD(0, Qfalse);
  

•  	$$ = NEW_YIELD(0);
       /*%
   	$$ = dispatch1(yield, dispatch1(paren, arg_new()));
       %*/
  

@@ -2761,7 +2761,7 @@ primary : literal
| keyword_yield
{
/%%%/

•  	$$ = NEW_YIELD(0, Qfalse);
  

•  	$$ = NEW_YIELD(0);
       /*%
   	$$ = dispatch0(yield0);
       %*/
  

@@ -9605,18 +9605,9 @@ ret_args_gen(struct parser_params *parser, NODE *node)
static NODE *
new_yield_gen(struct parser_params *parser, NODE *node)
{

• long state = Qtrue;

• if (node) no_blockarg(parser, node);

• if (node) {

•    no_blockarg(parser, node);
  

• if (node && nd_type(node) == NODE_SPLAT) {

•  state = Qtrue;
  

• }
• }
• else {

•    state = Qfalse;
  

• }
• return NEW_YIELD(node, state);

• return NEW_YIELD(node);
  }

static NODE*
=end