* ext/objspace/objspace.c: add a new method ObjectSpace.count_symbols.

  [Feature #11158]
* symbol.c (rb_sym_immortal_count): added to count immortal symbols.
* symbol.h: ditto.
* test/objspace/test_objspace.rb: add a test for this method.
* NEWS: describe about this method.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51654 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 5 insertions, 0 deletions

diff --git a/symbol.h b/symbol.h
index 001d6de1f8..7d95491ee6 100644
--- a/symbol.h
+++ b/symbol.h
@@ -100,4 +100,9 @@ is_global_name_punct(const int c)
 
 ID rb_intern_cstr_without_pindown(const char *, long, rb_encoding *);
 
+RUBY_SYMBOL_EXPORT_BEGIN
+
+size_t rb_sym_immortal_count(void);
+
+RUBY_SYMBOL_EXPORT_END
 #endif