https://git.ruby-lang.org/ruby.git/commit/?id=c30f03d328

From c30f03d32833f38fedf41ecb08f1ade9c6657fef Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=8D=9C=E9=83=A8=E6=98=8C=E5=B9=B3?=
 <shyouhei@r...>
Date: Mon, 27 Jul 2020 16:15:28 +0900
Subject: Data: delete

Has been deprecated since 684bdf6171b76f5bc5e4f05926a5ab01ec2b4fd5.

Matz says in [ruby-core:83954] that Data should be an alias of Object.
Because rb_cData has not been deprecated, let us deprecate the constant
to make it a C-level synonym of rb_cObject.

diff --git a/error.c b/error.c
index ce3dc11..e74b214 100644
--- a/error.c
+++ b/error.c
@@ -2786,7 +2786,7 @@ Init_Exception(void) https://github.com/ruby/ruby/blob/trunk/error.c#L2786
     rb_define_method(rb_eNameError, "name", name_err_name, 0);
     rb_define_method(rb_eNameError, "receiver", name_err_receiver, 0);
     rb_define_method(rb_eNameError, "local_variables", name_err_local_variables, 0);
-    rb_cNameErrorMesg = rb_define_class_under(rb_eNameError, "message", rb_cData);
+    rb_cNameErrorMesg = rb_define_class_under(rb_eNameError, "message", rb_cObject);
     rb_define_method(rb_cNameErrorMesg, "==", name_err_mesg_equal, 1);
     rb_define_method(rb_cNameErrorMesg, "to_str", name_err_mesg_to_str, 0);
     rb_define_method(rb_cNameErrorMesg, "_dump", name_err_mesg_dump, 1);
diff --git a/include/ruby/internal/globals.h b/include/ruby/internal/globals.h
index a697376..6b4e8fd 100644
--- a/include/ruby/internal/globals.h
+++ b/include/ruby/internal/globals.h
@@ -20,6 +20,7 @@ https://github.com/ruby/ruby/blob/trunk/include/ruby/internal/globals.h#L20
  *             extension libraries. They could be written in C++98.
  * @brief      Ruby-level global variables / constants, visible from C.
  */
+#include "ruby/internal/attr/deprecated.h"
 #include "ruby/internal/attr/pure.h"
 #include "ruby/internal/dllexport.h"
 #include "ruby/internal/fl_type.h"
@@ -48,6 +49,7 @@ RUBY_EXTERN VALUE rb_cArray; https://github.com/ruby/ruby/blob/trunk/include/ruby/internal/globals.h#L49
 RUBY_EXTERN VALUE rb_cBinding;
 RUBY_EXTERN VALUE rb_cClass;
 RUBY_EXTERN VALUE rb_cCont;
+RBIMPL_ATTR_DEPRECATED(("by: rb_cObject.  Will be removed in 3.1."))
 RUBY_EXTERN VALUE rb_cData;
 RUBY_EXTERN VALUE rb_cDir;
 RUBY_EXTERN VALUE rb_cEncoding;
diff --git a/object.c b/object.c
index 8626d5c..bf65254 100644
--- a/object.c
+++ b/object.c
@@ -32,6 +32,7 @@ https://github.com/ruby/ruby/blob/trunk/object.c#L32
 #include "internal/struct.h"
 #include "internal/symbol.h"
 #include "internal/variable.h"
+#include "internal/warnings.h"
 #include "probes.h"
 #include "ruby/encoding.h"
 #include "ruby/st.h"
@@ -4330,6 +4331,25 @@ f_sprintf(int c, const VALUE *v, VALUE _) https://github.com/ruby/ruby/blob/trunk/object.c#L4331
     return rb_f_sprintf(c, v);
 }
 
+COMPILER_WARNING_PUSH
+#if defined(_MSC_VER)
+COMPILER_WARNING_IGNORED(4996)
+#elif defined(__INTEL_COMPILER)
+COMPILER_WARNING_IGNORED(1786)
+#elif __has_warning("-Wdeprecated-declarations")
+COMPILER_WARNING_IGNORED(-Wdeprecated-declarations)
+#elif defined(__GNUC__)
+COMPILER_WARNING_IGNORED(-Wdeprecated-declarations)
+#endif
+
+static inline void
+Init_rb_cData(void)
+{
+    rb_cData = rb_cObject;
+}
+
+COMPILER_WARNING_POP
+
 /*
  *  Document-class: Class
  *
@@ -4662,15 +4682,7 @@ InitVM_Object(void) https://github.com/ruby/ruby/blob/trunk/object.c#L4682
     rb_undef_method(rb_cClass, "append_features");
     rb_undef_method(rb_cClass, "prepend_features");
 
-    /*
-     * Document-class: Data
-     *
-     * This is a deprecated class, base class for C extensions using
-     * Data_Make_Struct or Data_Wrap_Struct.
-     */
-    rb_cData = rb_define_class("Data", rb_cObject);
-    rb_undef_alloc_func(rb_cData);
-    rb_deprecate_constant(rb_cObject, "Data");
+    Init_rb_cData();
 
     rb_cTrueClass = rb_define_class("TrueClass", rb_cObject);
     rb_cTrueClass_to_s = rb_fstring_enc_lit("true", rb_usascii_encoding());
diff --git a/spec/ruby/core/data/constants_spec.rb b/spec/ruby/core/data/constants_spec.rb
index 0e47a82..5027ae0 100644
--- a/spec/ruby/core/data/constants_spec.rb
+++ b/spec/ruby/core/data/constants_spec.rb
@@ -1,13 +1,15 @@ https://github.com/ruby/ruby/blob/trunk/spec/ruby/core/data/constants_spec.rb#L1
 require_relative '../../spec_helper'
 
-describe "Data" do
-  it "is a subclass of Object" do
-    suppress_warning do
-      Data.superclass.should == Object
+ruby_version_is ''...'2.8' do
+  describe "Data" do
+    it "is a subclass of Object" do
+      suppress_warning do
+        Data.superclass.should == Object
+      end
     end
-  end
 
-  it "is deprecated" do
-    -> { Data }.should complain(/constant ::Data is deprecated/)
+    it "is deprecated" do
+      -> { Data }.should complain(/constant ::Data is deprecated/)
+    end
   end
 end
diff --git a/transcode.c b/transcode.c
index 5bae646..a72afdc 100644
--- a/transcode.c
+++ b/transcode.c
@@ -4462,7 +4462,7 @@ InitVM_transcode(void) https://github.com/ruby/ruby/blob/trunk/transcode.c#L4462
     rb_define_method(rb_cString, "encode", str_encode, -1);
     rb_define_method(rb_cString, "encode!", str_encode_bang, -1);
 
-    rb_cEncodingConverter = rb_define_class_under(rb_cEncoding, "Converter", rb_cData);
+    rb_cEncodingConverter = rb_define_class_under(rb_cEncoding, "Converter", rb_cObject);
     rb_define_alloc_func(rb_cEncodingConverter, econv_s_allocate);
     rb_define_singleton_method(rb_cEncodingConverter, "asciicompat_encoding", econv_s_asciicompat_encoding, 1);
     rb_define_singleton_method(rb_cEncodingConverter, "search_convpath", econv_s_search_convpath, -1);
-- 
cgit v0.10.2


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