Issue #9888 has been reported by Shyouhei Urabe.

----------------------------------------
Feature #9888: Hide Complex internal
https://bugs.ruby-lang.org/issues/9888

* Author: Shyouhei Urabe
* Status: Open
* Priority: Normal
* Assignee: 
* Category: core
* Target version: current: 2.2.0
----------------------------------------
~~~Patch
From 774261d2b6f4fc077ba041a1c6cfbed3f1bf282b Mon Sep 17 00:00:00 2001
From: "Urabe, Shyouhei" <shyouhei / ruby-lang.org>
Date: Sat, 31 May 2014 21:48:10 +0900
Subject: [PATCH] Hide Complex internal

So I agree with Eric and tried to hide RSymbol, but turned out that was already done by him :p

Here you are the other (seemingly) okay struct to hide.

Signed-off-by: Urabe, Shyouhei <shyouhei / ruby-lang.org>
---
 ChangeLog           | 10 ++++++++++
 complex.c           | 21 ++++++++++++++++-----
 include/ruby/ruby.h | 11 ++---------
 internal.h          |  8 ++++++++
 4 files changed, 36 insertions(+), 14 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 7f8d338..92d0e38 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,13 @@
+Sat May 31 21:47:40 2014  URABE Shyouhei  <shyouhei / ruby-lang.org>
+
+	* include/ruby/ruby.h (struct RComplex) : no longer.
+
+	* internal.h (struct RComplex) : moved here.
+
+	* complex.c (RCOMPLEX_SET_REAL): add compatibilty setter function.
+
+	* complex.c (RCOMPLEX_SET_IMAG): ditto.
+
 Sat May 31 16:32:50 2014  SHIBATA Hiroshi  <shibata.hiroshi / gmail.com>
 
 	* lib/ipaddr.rb: extracted inline tests into test dir.
diff --git a/complex.c b/complex.c
index f9f9eed..bea5e1a 100644
--- a/complex.c
+++ b/complex.c
@@ -24,6 +24,16 @@ static ID id_abs, id_arg, id_convert,
     id_real_p, id_to_f, id_to_i, id_to_r,
     id_i_real, id_i_imag;
 
+VALUE RCOMPLEX_SET_REAL(VALUE cmp, VALUE r)
+{
+    return RB_OBJ_WRITE((cmp), &((struct RComplex *)(cmp))->real,(r));
+}
+
+VALUE RCOMPLEX_SET_IMAG(VALUE cmp, VALUE i)
+{
+    return RB_OBJ_WRITE((cmp), &((struct RComplex *)(cmp))->imag,(i));
+}
+
 #define f_boolcast(x) ((x) ? Qtrue : Qfalse)
 
 #define binop(n,op) \
@@ -272,11 +282,12 @@ inline static VALUE
 nucomp_s_new_internal(VALUE klass, VALUE real, VALUE imag)
 {
     NEWOBJ_OF(obj, struct RComplex, klass, T_COMPLEX | (RGENGC_WB_PROTECTED_COMPLEX ? FL_WB_PROTECTED : 0));
+    VALUE ret = (VALUE)obj;
 
-    RCOMPLEX_SET_REAL(obj, real);
-    RCOMPLEX_SET_IMAG(obj, imag);
+    RCOMPLEX_SET_REAL(ret, real);
+    RCOMPLEX_SET_IMAG(ret, imag);
 
-    return (VALUE)obj;
+    return ret;
 }
 
 static VALUE
@@ -1281,8 +1292,8 @@ nucomp_loader(VALUE self, VALUE a)
 {
     get_dat1(self);
 
-    RCOMPLEX_SET_REAL(dat, rb_ivar_get(a, id_i_real));
-    RCOMPLEX_SET_IMAG(dat, rb_ivar_get(a, id_i_imag));
+    RCOMPLEX_SET_REAL(self, rb_ivar_get(a, id_i_real));
+    RCOMPLEX_SET_IMAG(self, rb_ivar_get(a, id_i_imag));
 
     return self;
 }
diff --git a/include/ruby/ruby.h b/include/ruby/ruby.h
index 7c7cb67..a664217 100644
--- a/include/ruby/ruby.h
+++ b/include/ruby/ruby.h
@@ -943,14 +943,8 @@ struct RFile {
     struct rb_io_t *fptr;
 };
 
-struct RComplex {
-    struct RBasic basic;
-    const VALUE real;
-    const VALUE imag;
-};
-
-#define RCOMPLEX_SET_REAL(cmp, r) RB_OBJ_WRITE((cmp), &((struct RComplex *)(cmp))->real,(r))
-#define RCOMPLEX_SET_IMAG(cmp, i) RB_OBJ_WRITE((cmp), &((struct RComplex *)(cmp))->imag,(i))
+VALUE RCOMPLEX_SET_REAL(VALUE cmp, VALUE r);
+VALUE RCOMPLEX_SET_IMAG(VALUE cmp, VALUE i);
 
 struct RData {
     struct RBasic basic;
@@ -1086,7 +1080,6 @@ struct RStruct {
 #define RTYPEDDATA(obj)   (R_CAST(RTypedData)(obj))
 #define RSTRUCT(obj) (R_CAST(RStruct)(obj))
 #define RFILE(obj)   (R_CAST(RFile)(obj))
-#define RCOMPLEX(obj) (R_CAST(RComplex)(obj))
 
 #define FL_SINGLETON FL_USER0
 #define FL_WB_PROTECTED (((VALUE)1)<<5)
diff --git a/internal.h b/internal.h
index 2c1c6a3..3e09bbf 100644
--- a/internal.h
+++ b/internal.h
@@ -420,6 +420,14 @@ struct RSymbol {
 
 #define RSYMBOL(obj) (R_CAST(RSymbol)(obj))
 
+struct RComplex {
+    struct RBasic basic;
+    const VALUE real;
+    const VALUE imag;
+};
+
+#define RCOMPLEX(obj) (R_CAST(RComplex)(obj))
+
 /* class.c */
 void rb_class_subclass_add(VALUE super, VALUE klass);
 void rb_class_remove_from_super_subclasses(VALUE);
-- 
1.9.1
~~~



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