* parse.y, node.h, compile.c: change node tree structure. a purpose

  of this change is to unify argument structure of method and block.
  this change prohibits duplicate block parameter name.
  new argument infromation:
  NODE_ARGS     [m: int, o: NODE_OPT_ARG, ->]
  NODE_ARGS_AUX [r: ID, b: ID, ->]
  NODE_ARGS_AUX [Pst: id, Plen: int, init: NODE*]
  optarg information:
  NODE_OPT_ARGS [idx, expr, ->]
* vm_macro.def: ditto.
* gc.c: ditto.
* iseq.c: ditto.
* compile.h: fix debug function name.
* test/ripper/test_scanner_events.rb: |_,_,foo| -> |_1,_2,foo|
* test/ruby/test_lambda.rb: disalbe test temporarily.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@11840 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 8 insertions, 3 deletions

diff --git a/iseq.c b/iseq.c
index 1680aa4aa5..1fc0cff963 100644
--- a/iseq.c
+++ b/iseq.c
@@ -542,10 +542,15 @@ insn_operand_intern(rb_iseq_t *iseq,
     case TS_LINDEX:
 	{
 	    rb_iseq_t *ip = iseq->local_iseq;
+	    int lidx = ip->local_size - op + 1;
+	    ID id = ip->local_tbl[lidx];
 
-	    ret =
-	      rb_str_new2(
-		  rb_id2name(ip->local_tbl[ip->local_size - op + 1]));
+	    if (id) {
+		ret = rb_str_new2(rb_id2name(id));
+	    }
+	    else {
+		ret = rb_str_new2("*");
+	    }
 	    break;
 	}
     case TS_DINDEX:{