error.c: rb_name_err_new

* error.c (rb_name_err_new): new function to create NameError
  exception instance.  [Feature #10881]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52320 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

3 files changed, 20 insertions, 0 deletions

diff --git a/ChangeLog b/ChangeLog
index c507fc5265..e730e8f098 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Wed Oct 28 15:23:14 2015  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* error.c (rb_name_err_new): new function to create NameError
+	  exception instance.  [Feature #10881]
+
 Wed Oct 28 13:29:39 2015  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* parse.y (new_attr_op_assign): fix op_assign type, which is
diff --git a/error.c b/error.c
index 9dac198ae1..7d533cc9a5 100644
--- a/error.c
+++ b/error.c
@@ -1189,6 +1189,16 @@ rb_name_err_mesg_new(VALUE mesg, VALUE recv, VALUE method)
     return result;
 }
 
+VALUE
+rb_name_err_new(VALUE mesg, VALUE recv, VALUE method)
+{
+    VALUE exc = rb_obj_alloc(rb_eNameError);
+    rb_ivar_set(exc, id_mesg, rb_name_err_mesg_new(mesg, recv, method));
+    rb_ivar_set(exc, id_bt, Qnil);
+    rb_ivar_set(exc, id_name, method);
+    return exc;
+}
+
 /* :nodoc: */
 static VALUE
 name_err_mesg_equal(VALUE obj1, VALUE obj2)
diff --git a/internal.h b/internal.h
index 094e4a2462..b5f40987f3 100644
--- a/internal.h
+++ b/internal.h
@@ -739,6 +739,11 @@ const char *rb_builtin_class_name(VALUE x);
 PRINTF_ARGS(void rb_enc_warn(rb_encoding *enc, const char *fmt, ...), 2, 3);
 PRINTF_ARGS(void rb_enc_warning(rb_encoding *enc, const char *fmt, ...), 2, 3);
 PRINTF_ARGS(void rb_sys_enc_warning(rb_encoding *enc, const char *fmt, ...), 2, 3);
+VALUE rb_name_err_new(VALUE mesg, VALUE recv, VALUE method);
+#define rb_name_err_raise_str(mesg, recv, name) \
+    rb_exc_raise(rb_name_err_new(mesg, recv, name))
+#define rb_name_err_raise(mesg, recv, name) \
+    rb_name_err_raise_str(rb_fstring_cstr(mesg), (recv), (name))
 
 /* eval.c */
 VALUE rb_refinement_module_get_refined_class(VALUE module);