https://git.ruby-lang.org/ruby.git/commit/?id=63c9f620cf

From 63c9f620cf87fb5fa08cdb7b0b4cc70e787f5cb2 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: Tue, 3 Dec 2019 13:49:14 +0900
Subject: internal/class.h rework

This file has almost nothing to do.  Added some #ifdef lines and
rearranged file contents.

Those macros are unable to translate into inline functions, because they
are used as lvalues of assignments.

diff --git a/internal/class.h b/internal/class.h
index 8ba64a0..254094e 100644
--- a/internal/class.h
+++ b/internal/class.h
@@ -9,17 +9,23 @@ https://github.com/ruby/ruby/blob/trunk/internal/class.h#L9
  *             modify this file, provided that  the conditions mentioned in the
  *             file COPYING are met.  Consult the file for details.
  */
+#include "id_table.h"           /* for struct rb_id_table */
+#include "internal/gc.h"        /* for RB_OBJ_WRITE */
+#include "internal/serial.h"    /* for rb_serial_t */
+#include "internal/stdbool.h"   /* for bool */
+#include "ruby/intern.h"        /* for rb_alloc_func_t */
+#include "ruby/ruby.h"          /* for struct RBasic */
+
+#undef RClass /* See also include/ruby/backward.h */
+#undef RCLASS_SUPER
 
 struct rb_deprecated_classext_struct {
     char conflict[sizeof(VALUE) * 3];
 };
 
-struct rb_subclass_entry;
-typedef struct rb_subclass_entry rb_subclass_entry_t;
-
 struct rb_subclass_entry {
     VALUE klass;
-    rb_subclass_entry_t *next;
+    struct rb_subclass_entry *next;
 };
 
 struct rb_classext_struct {
@@ -30,14 +36,14 @@ struct rb_classext_struct { https://github.com/ruby/ruby/blob/trunk/internal/class.h#L36
 #endif
     struct rb_id_table *const_tbl;
     struct rb_id_table *callable_m_tbl;
-    rb_subclass_entry_t *subclasses;
-    rb_subclass_entry_t **parent_subclasses;
+    struct rb_subclass_entry *subclasses;
+    struct rb_subclass_entry **parent_subclasses;
     /**
      * In the case that this is an `ICLASS`, `module_subclasses` points to the link
      * in the module's `subclasses` list that indicates that the klass has been
      * included. Hopefully that makes sense.
      */
-    rb_subclass_entry_t **module_subclasses;
+    struct rb_subclass_entry **module_subclasses;
 #if SIZEOF_SERIAL_T != SIZEOF_VALUE /* otherwise class_serial is in struct RClass */
     rb_serial_t class_serial;
 #endif
@@ -47,13 +53,10 @@ struct rb_classext_struct { https://github.com/ruby/ruby/blob/trunk/internal/class.h#L53
     const VALUE includer;
 };
 
-typedef struct rb_classext_struct rb_classext_t;
-
-#undef RClass
 struct RClass {
     struct RBasic basic;
     VALUE super;
-    rb_classext_t *ptr;
+    struct rb_classext_struct *ptr;
 #if SIZEOF_SERIAL_T == SIZEOF_VALUE
     /* Class serial is as wide as VALUE.  Place it here. */
     rb_serial_t class_serial;
@@ -63,28 +66,8 @@ struct RClass { https://github.com/ruby/ruby/blob/trunk/internal/class.h#L66
 #endif
 };
 
-void rb_class_subclass_add(VALUE super, VALUE klass);
-void rb_class_remove_from_super_subclasses(VALUE);
-int rb_singleton_class_internal_p(VALUE sklass);
-/* class.c */
-VALUE rb_class_boot(VALUE);
-VALUE rb_class_inherited(VALUE, VALUE);
-VALUE rb_make_metaclass(VALUE, VALUE);
-VALUE rb_include_class_new(VALUE, VALUE);
-void rb_class_foreach_subclass(VALUE klass, void (*f)(VALUE, VALUE), VALUE);
-void rb_class_detach_subclasses(VALUE);
-void rb_class_detach_module_subclasses(VALUE);
-void rb_class_remove_from_module_subclasses(VALUE);
-VALUE rb_obj_methods(int argc, const VALUE *argv, VALUE obj);
-VALUE rb_obj_protected_methods(int argc, const VALUE *argv, VALUE obj);
-VALUE rb_obj_private_methods(int argc, const VALUE *argv, VALUE obj);
-VALUE rb_obj_public_methods(int argc, const VALUE *argv, VALUE obj);
-VALUE rb_special_singleton_class(VALUE);
-VALUE rb_singleton_class_clone_and_attach(VALUE obj, VALUE attach);
-VALUE rb_singleton_class_get(VALUE obj);
-
-int rb_class_has_methods(VALUE c);
-void rb_undef_methods_from(VALUE klass, VALUE super);
+typedef struct rb_subclass_entry rb_subclass_entry_t;
+typedef struct rb_classext_struct rb_classext_t;
 
 #define RCLASS_EXT(c) (RCLASS(c)->ptr)
 #define RCLASS_IV_TBL(c) (RCLASS_EXT(c)->iv_tbl)
@@ -109,6 +92,36 @@ void rb_undef_methods_from(VALUE klass, VALUE super); https://github.com/ruby/ruby/blob/trunk/internal/class.h#L92
 #define RICLASS_IS_ORIGIN FL_USER5
 #define RCLASS_REFINED_BY_ANY FL_USER7
 
+/* class.c */
+void rb_class_subclass_add(VALUE super, VALUE klass);
+void rb_class_remove_from_super_subclasses(VALUE);
+int rb_singleton_class_internal_p(VALUE sklass);
+VALUE rb_class_boot(VALUE);
+VALUE rb_make_metaclass(VALUE, VALUE);
+VALUE rb_include_class_new(VALUE, VALUE);
+void rb_class_foreach_subclass(VALUE klass, void (*f)(VALUE, VALUE), VALUE);
+void rb_class_detach_subclasses(VALUE);
+void rb_class_detach_module_subclasses(VALUE);
+void rb_class_remove_from_module_subclasses(VALUE);
+VALUE rb_obj_methods(int argc, const VALUE *argv, VALUE obj);
+VALUE rb_obj_protected_methods(int argc, const VALUE *argv, VALUE obj);
+VALUE rb_obj_private_methods(int argc, const VALUE *argv, VALUE obj);
+VALUE rb_obj_public_methods(int argc, const VALUE *argv, VALUE obj);
+VALUE rb_special_singleton_class(VALUE);
+VALUE rb_singleton_class_clone_and_attach(VALUE obj, VALUE attach);
+VALUE rb_singleton_class_get(VALUE obj);
+int rb_class_has_methods(VALUE c);
+void rb_undef_methods_from(VALUE klass, VALUE super);
+static inline void RCLASS_SET_ORIGIN(VALUE klass, VALUE origin);
+static inline VALUE RCLASS_SUPER(VALUE klass);
+static inline VALUE RCLASS_SET_SUPER(VALUE klass, VALUE super);
+static inline void RCLASS_SET_INCLUDER(VALUE iclass, VALUE klass);
+
+MJIT_SYMBOL_EXPORT_BEGIN
+VALUE rb_class_inherited(VALUE, VALUE);
+VALUE rb_keyword_error_new(const char *, VALUE);
+MJIT_SYMBOL_EXPORT_END
+
 static inline void
 RCLASS_SET_ORIGIN(VALUE klass, VALUE origin)
 {
@@ -122,7 +135,6 @@ RCLASS_SET_INCLUDER(VALUE iclass, VALUE klass) https://github.com/ruby/ruby/blob/trunk/internal/class.h#L135
     RB_OBJ_WRITE(iclass, &RCLASS_INCLUDER(iclass), klass);
 }
 
-#undef RCLASS_SUPER
 static inline VALUE
 RCLASS_SUPER(VALUE klass)
 {
-- 
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