Revert "[DOC] Fixed the class name in FrozenError#receiver"

This reverts commit 5f56a5fc9be9ea7b088795c2d3871c2352a020c2.
`FrozenError.new(mesg, nil).receiver` should not raise an
ArgumentError.

1 files changed, 10 insertions, 22 deletions

diff --git a/error.c b/error.c
index a3821e6bdb..7ef252f395 100644
--- a/error.c
+++ b/error.c
@@ -1409,17 +1409,6 @@ exit_success_p(VALUE exc)
     return Qfalse;
 }
 
-static VALUE
-err_attr_receiver(VALUE self)
-{
-    VALUE recv;
-
-    recv = rb_ivar_lookup(self, id_receiver, Qundef);
-    if (recv == Qundef)
-        rb_raise(rb_eArgError, "no receiver is available");
-    return recv;
-}
-
 /*
  * call-seq:
  *   FrozenError.new(msg=nil, receiver=nil)  -> frozen_error
@@ -1446,15 +1435,6 @@ frozen_err_initialize(int argc, VALUE *argv, VALUE self)
     return self;
 }
 
-/*
- * call-seq:
- *   frozen_error.receiver  -> object
- *
- * Return the receiver associated with this FrozenError exception.
- */
-
-#define frozen_err_receiver err_attr_receiver
-
 void
 rb_name_error(ID id, const char *fmt, ...)
 {
@@ -1822,7 +1802,15 @@ rb_invalid_str(const char *str, const char *type)
  * Return the receiver associated with this KeyError exception.
  */
 
-#define key_err_receiver err_attr_receiver
+static VALUE
+key_err_receiver(VALUE self)
+{
+    VALUE recv;
+
+    recv = rb_ivar_lookup(self, id_receiver, Qundef);
+    if (recv != Qundef) return recv;
+    rb_raise(rb_eArgError, "no receiver is available");
+}
 
 /*
  * call-seq:
@@ -2541,7 +2529,7 @@ Init_Exception(void)
     rb_eRuntimeError = rb_define_class("RuntimeError", rb_eStandardError);
     rb_eFrozenError = rb_define_class("FrozenError", rb_eRuntimeError);
     rb_define_method(rb_eFrozenError, "initialize", frozen_err_initialize, -1);
-    rb_define_method(rb_eFrozenError, "receiver", frozen_err_receiver, 0);
+    rb_define_method(rb_eFrozenError, "receiver", name_err_receiver, 0);
     rb_eSecurityError = rb_define_class("SecurityError", rb_eException);
     rb_eNoMemError = rb_define_class("NoMemoryError", rb_eException);
     rb_eEncodingError = rb_define_class("EncodingError", rb_eStandardError);