From 431132f037aecc8c9bc783fea257db653c4f8cb0 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Mon, 21 Oct 2019 12:20:19 +0900
Subject: Pass the called keyword arguments if `keyword_init`

---
 struct.c | 21 +++++++++++++++------
 1 file changed, 15 insertions(+), 6 deletions(-)

(limited to 'struct.c')

diff --git a/struct.c b/struct.c
index b2935747ed..8294e9fa21 100644
--- a/struct.c
+++ b/struct.c
@@ -311,15 +311,24 @@ rb_struct_s_inspect(VALUE klass)
 }
 
 static VALUE
-setup_struct(VALUE nstr, VALUE members)
+struct_new_kw(int argc, const VALUE *argv, VALUE klass)
+{
+    return rb_class_new_instance_kw(argc, argv, klass, RB_PASS_CALLED_KEYWORDS);
+}
+
+static VALUE
+setup_struct(VALUE nstr, VALUE members, int keyword_init)
 {
     long i, len;
+    VALUE (*new_func)(int, const VALUE *, VALUE) = rb_class_new_instance;
+
+    if (keyword_init) new_func = struct_new_kw;
 
     members = struct_set_members(nstr, members);
 
     rb_define_alloc_func(nstr, struct_alloc);
-    rb_define_singleton_method(nstr, "new", rb_class_new_instance, -1);
-    rb_define_singleton_method(nstr, "[]", rb_class_new_instance, -1);
+    rb_define_singleton_method(nstr, "new", new_func, -1);
+    rb_define_singleton_method(nstr, "[]", new_func, -1);
     rb_define_singleton_method(nstr, "members", rb_struct_s_members_m, 0);
     rb_define_singleton_method(nstr, "inspect", rb_struct_s_inspect, 0);
     len = RARRAY_LEN(members);
@@ -434,7 +443,7 @@ rb_struct_define(const char *name, ...)
 
     if (!name) st = anonymous_struct(rb_cStruct);
     else st = new_struct(rb_str_new2(name), rb_cStruct);
-    return setup_struct(st, ary);
+    return setup_struct(st, ary, 0);
 }
 
 VALUE
@@ -447,7 +456,7 @@ rb_struct_define_under(VALUE outer, const char *name, ...)
     ary = struct_make_members_list(ar);
     va_end(ar);
 
-    return setup_struct(rb_define_class_under(outer, name, rb_cStruct), ary);
+    return setup_struct(rb_define_class_under(outer, name, rb_cStruct), ary, 0);
 }
 
 /*
@@ -566,7 +575,7 @@ rb_struct_s_def(int argc, VALUE *argv, VALUE klass)
     else {
 	st = new_struct(name, klass);
     }
-    setup_struct(st, rest);
+    setup_struct(st, rest, (int)keyword_init);
     rb_ivar_set(st, id_keyword_init, keyword_init);
     if (rb_block_given_p()) {
         rb_mod_module_eval(0, 0, st);
-- 
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