diff options
-rw-r--r-- | ext/-test-/marshal/internal_ivar/internal_ivar.c | 15 | ||||
-rw-r--r-- | marshal.c | 37 | ||||
-rw-r--r-- | test/-ext-/marshal/test_internal_ivar.rb | 10 |
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); } @@ -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 |