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-rw-r--r--ext/-test-/marshal/internal_ivar/internal_ivar.c15
-rw-r--r--marshal.c37
-rw-r--r--test/-ext-/marshal/test_internal_ivar.rb10
3 files changed, 42 insertions, 20 deletions
diff --git a/ext/-test-/marshal/internal_ivar/internal_ivar.c b/ext/-test-/marshal/internal_ivar/internal_ivar.c
index b2188f737a..2e2f9cb235 100644
--- a/ext/-test-/marshal/internal_ivar/internal_ivar.c
+++ b/ext/-test-/marshal/internal_ivar/internal_ivar.c
@@ -1,13 +1,14 @@
#include <ruby.h>
-static ID id_normal_ivar, id_internal_ivar, id_encoding_short;
+static ID id_normal_ivar, id_internal_ivar, id_encoding_short, id_encoding_long;
static VALUE
-init(VALUE self, VALUE arg1, VALUE arg2, VALUE arg3)
+init(VALUE self, VALUE arg1, VALUE arg2, VALUE arg3, VALUE arg4)
{
rb_ivar_set(self, id_normal_ivar, arg1);
rb_ivar_set(self, id_internal_ivar, arg2);
rb_ivar_set(self, id_encoding_short, arg3);
+ rb_ivar_set(self, id_encoding_long, arg4);
return self;
}
@@ -29,6 +30,12 @@ get_encoding_short(VALUE self)
return rb_attr_get(self, id_encoding_short);
}
+static VALUE
+get_encoding_long(VALUE self)
+{
+ return rb_attr_get(self, id_encoding_long);
+}
+
void
Init_internal_ivar(void)
{
@@ -38,8 +45,10 @@ Init_internal_ivar(void)
id_normal_ivar = rb_intern_const("normal");
id_internal_ivar = rb_intern_const("K");
id_encoding_short = rb_intern_const("E");
- rb_define_method(newclass, "initialize", init, 3);
+ id_encoding_long = rb_intern_const("encoding");
+ rb_define_method(newclass, "initialize", init, 4);
rb_define_method(newclass, "normal", get_normal, 0);
rb_define_method(newclass, "internal", get_internal, 0);
rb_define_method(newclass, "encoding_short", get_encoding_short, 0);
+ rb_define_method(newclass, "encoding_long", get_encoding_long, 0);
}
diff --git a/marshal.c b/marshal.c
index 60e495832e..c1b19a6e63 100644
--- a/marshal.c
+++ b/marshal.c
@@ -100,6 +100,7 @@ static ID s_dump, s_load, s_mdump, s_mload;
static ID s_dump_data, s_load_data, s_alloc, s_call;
static ID s_getbyte, s_read, s_write, s_binmode;
static ID s_encoding_short, s_ruby2_keywords_flag;
+#define s_encoding_long rb_id_encoding()
#define name_s_dump "_dump"
#define name_s_load "_load"
@@ -114,6 +115,7 @@ static ID s_encoding_short, s_ruby2_keywords_flag;
#define name_s_write "write"
#define name_s_binmode "binmode"
#define name_s_encoding_short "E"
+#define name_s_encoding_long "encoding"
#define name_s_ruby2_keywords_flag "K"
typedef struct {
@@ -581,13 +583,21 @@ rb_hash_ruby2_keywords(VALUE obj)
RHASH(obj)->basic.flags |= RHASH_PASS_AS_KEYWORDS;
}
-static inline bool
-to_be_skipped_id(const ID id)
+/*
+ * if instance variable name `id` is a special name to be skipped,
+ * returns the name of it. otherwise it cannot be dumped (unnamed),
+ * returns `name` as-is. returns NULL for ID that can be dumped.
+ */
+static inline const char *
+skipping_ivar_name(const ID id, const char *name)
{
- if (id == s_encoding_short) return true;
- if (id == s_ruby2_keywords_flag) return true;
- if (id == rb_id_encoding()) return true;
- return !rb_id2str(id);
+#define IS_SKIPPED_IVAR(idname) \
+ ((id == idname) && (name = name_##idname, true))
+ if (IS_SKIPPED_IVAR(s_encoding_short)) return name;
+ if (IS_SKIPPED_IVAR(s_ruby2_keywords_flag)) return name;
+ if (IS_SKIPPED_IVAR(s_encoding_long)) return name;
+ if (!rb_id2str(id)) return name;
+ return NULL;
}
struct w_ivar_arg {
@@ -600,15 +610,12 @@ w_obj_each(ID id, VALUE value, st_data_t a)
{
struct w_ivar_arg *ivarg = (struct w_ivar_arg *)a;
struct dump_call_arg *arg = ivarg->dump;
+ const char unnamed[] = "", *ivname = skipping_ivar_name(id, unnamed);
- if (to_be_skipped_id(id)) {
- if (id == s_encoding_short) {
- rb_warn("instance variable '"name_s_encoding_short"' on class %"PRIsVALUE" is not dumped",
- CLASS_OF(arg->obj));
- }
- if (id == s_ruby2_keywords_flag) {
- rb_warn("instance variable '"name_s_ruby2_keywords_flag"' on class %"PRIsVALUE" is not dumped",
- CLASS_OF(arg->obj));
+ if (ivname) {
+ if (ivname != unnamed) {
+ rb_warn("instance variable '%s' on class %"PRIsVALUE" is not dumped",
+ ivname, CLASS_OF(arg->obj));
}
return ST_CONTINUE;
}
@@ -621,7 +628,7 @@ w_obj_each(ID id, VALUE value, st_data_t a)
static int
obj_count_ivars(ID id, VALUE val, st_data_t a)
{
- if (!to_be_skipped_id(id) && UNLIKELY(!++*(st_index_t *)a)) {
+ if (!skipping_ivar_name(id, "") && UNLIKELY(!++*(st_index_t *)a)) {
rb_raise(rb_eRuntimeError, "too many instance variables");
}
return ST_CONTINUE;
diff --git a/test/-ext-/marshal/test_internal_ivar.rb b/test/-ext-/marshal/test_internal_ivar.rb
index faabe14ab2..8b4667fdf9 100644
--- a/test/-ext-/marshal/test_internal_ivar.rb
+++ b/test/-ext-/marshal/test_internal_ivar.rb
@@ -7,11 +7,16 @@ module Bug end
module Bug::Marshal
class TestInternalIVar < Test::Unit::TestCase
def test_marshal
- v = InternalIVar.new("hello", "world", "bye")
+ v = InternalIVar.new("hello", "world", "bye", "hi")
assert_equal("hello", v.normal)
assert_equal("world", v.internal)
assert_equal("bye", v.encoding_short)
- dump = assert_warn(/instance variable 'E' on class \S+ is not dumped/) {
+ assert_equal("hi", v.encoding_long)
+ warnings = ->(s) {
+ w = s.scan(/instance variable '(.+?)' on class \S+ is not dumped/)
+ assert_equal(%w[E K encoding], w.flatten.sort)
+ }
+ dump = assert_warn(warnings) {
::Marshal.dump(v)
}
v = assert_nothing_raised {break ::Marshal.load(dump)}
@@ -19,6 +24,7 @@ module Bug::Marshal
assert_equal("hello", v.normal)
assert_nil(v.internal)
assert_nil(v.encoding_short)
+ assert_nil(v.encoding_long)
end
end
end