https://git.ruby-lang.org/ruby.git/commit/?id=4cda2e5013

From 4cda2e5013b1351b9da087fe534907fcd7e52770 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@r...>
Date: Tue, 9 Jul 2019 10:58:12 +0900
Subject: Moved error messages


diff --git a/object.c b/object.c
index 08cb218..3fc1ed9 100644
--- a/object.c
+++ b/object.c
@@ -2262,9 +2262,14 @@ rb_class_get_superclass(VALUE klass) https://github.com/ruby/ruby/blob/trunk/object.c#L2262
     return RCLASS(klass)->super;
 }
 
+static const char bad_instance_name[] = "`%1$s' is not allowed as an instance variable name";
+static const char bad_class_name[] = "`%1$s' is not allowed as a class variable name";
+static const char bad_const_name[] = "wrong constant name %1$s";
+static const char bad_attr_name[] = "invalid attribute name `%1$s'";
+#define wrong_constant_name bad_const_name
+
 /*! \private */
-#define id_for_var(obj, name, part, type) \
-    id_for_setter(obj, name, type, "`%1$s' is not allowed as "#part" "#type" variable name")
+#define id_for_var(obj, name, type) id_for_setter(obj, name, type, bad_##type##_name)
 /*! \private */
 #define id_for_setter(obj, name, type, message) \
     check_setter_id(obj, &(name), rb_is_##type##_id, rb_is_##type##_name, message, strlen(message))
@@ -2295,13 +2300,10 @@ rb_is_attr_id(ID id) https://github.com/ruby/ruby/blob/trunk/object.c#L2300
     return rb_is_local_id(id) || rb_is_const_id(id);
 }
 
-static const char wrong_constant_name[] = "wrong constant name %1$s";
-static const char invalid_attribute_name[] = "invalid attribute name `%1$s'";
-
 static ID
 id_for_attr(VALUE obj, VALUE name)
 {
-    ID id = id_for_setter(obj, name, attr, invalid_attribute_name);
+    ID id = id_for_var(obj, name, attr);
     if (!id) id = rb_intern_str(name);
     return id;
 }
@@ -2566,7 +2568,7 @@ rb_mod_const_get(int argc, VALUE *argv, VALUE mod) https://github.com/ruby/ruby/blob/trunk/object.c#L2568
 static VALUE
 rb_mod_const_set(VALUE mod, VALUE name, VALUE value)
 {
-    ID id = id_for_setter(mod, name, const, wrong_constant_name);
+    ID id = id_for_var(mod, name, const);
     if (!id) id = rb_intern_str(name);
     rb_const_set(mod, id, value);
 
@@ -2844,7 +2846,7 @@ rb_mod_const_source_location(int argc, VALUE *argv, VALUE mod) https://github.com/ruby/ruby/blob/trunk/object.c#L2846
 static VALUE
 rb_obj_ivar_get(VALUE obj, VALUE iv)
 {
-    ID id = id_for_var(obj, iv, an, instance);
+    ID id = id_for_var(obj, iv, instance);
 
     if (!id) {
 	return Qnil;
@@ -2878,7 +2880,7 @@ rb_obj_ivar_get(VALUE obj, VALUE iv) https://github.com/ruby/ruby/blob/trunk/object.c#L2880
 static VALUE
 rb_obj_ivar_set(VALUE obj, VALUE iv, VALUE val)
 {
-    ID id = id_for_var(obj, iv, an, instance);
+    ID id = id_for_var(obj, iv, instance);
     if (!id) id = rb_intern_str(iv);
     return rb_ivar_set(obj, id, val);
 }
@@ -2906,7 +2908,7 @@ rb_obj_ivar_set(VALUE obj, VALUE iv, VALUE val) https://github.com/ruby/ruby/blob/trunk/object.c#L2908
 static VALUE
 rb_obj_ivar_defined(VALUE obj, VALUE iv)
 {
-    ID id = id_for_var(obj, iv, an, instance);
+    ID id = id_for_var(obj, iv, instance);
 
     if (!id) {
 	return Qfalse;
@@ -2933,7 +2935,7 @@ rb_obj_ivar_defined(VALUE obj, VALUE iv) https://github.com/ruby/ruby/blob/trunk/object.c#L2935
 static VALUE
 rb_mod_cvar_get(VALUE obj, VALUE iv)
 {
-    ID id = id_for_var(obj, iv, a, class);
+    ID id = id_for_var(obj, iv, class);
 
     if (!id) {
 	rb_name_err_raise("uninitialized class variable %1$s in %2$s",
@@ -2965,7 +2967,7 @@ rb_mod_cvar_get(VALUE obj, VALUE iv) https://github.com/ruby/ruby/blob/trunk/object.c#L2967
 static VALUE
 rb_mod_cvar_set(VALUE obj, VALUE iv, VALUE val)
 {
-    ID id = id_for_var(obj, iv, a, class);
+    ID id = id_for_var(obj, iv, class);
     if (!id) id = rb_intern_str(iv);
     rb_cvar_set(obj, id, val);
     return val;
@@ -2990,7 +2992,7 @@ rb_mod_cvar_set(VALUE obj, VALUE iv, VALUE val) https://github.com/ruby/ruby/blob/trunk/object.c#L2992
 static VALUE
 rb_mod_cvar_defined(VALUE obj, VALUE iv)
 {
-    ID id = id_for_var(obj, iv, a, class);
+    ID id = id_for_var(obj, iv, class);
 
     if (!id) {
 	return Qfalse;
-- 
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