* ext/objspace/object_tracing.c: Add experimental methods to dump

objectspace as json: ObjectSpace.dump_all and ObjectSpace.dump(obj).
These methods are useful for debugging reference leaks and memory growth
in large ruby applications. [Bug #9026] [ruby-core:57893] [Fixes GH-423]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43585 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 7 insertions, 14 deletions

diff --git a/ext/objspace/object_tracing.c b/ext/objspace/object_tracing.c
index 5fe1d757e5..b8fa3edf4d 100644
--- a/ext/objspace/object_tracing.c
+++ b/ext/objspace/object_tracing.c
@@ -15,6 +15,7 @@
 
 #include "ruby/ruby.h"
 #include "ruby/debug.h"
+#include "objspace.h"
 
 size_t rb_gc_count(void); /* from gc.c */
 
@@ -28,20 +29,6 @@ struct traceobj_arg {
     struct traceobj_arg *prev_traceobj_arg;
 };
 
-/* all of information don't need marking. */
-struct allocation_info {
-    int living;
-    VALUE flags;
-    VALUE klass;
-
-    /* allocation info */
-    const char *path;
-    unsigned long line;
-    const char *class_path;
-    VALUE mid;
-    size_t generation;
-};
-
 static const char *
 make_unique_str(st_table *tbl, const char *str, long len)
 {
@@ -341,6 +328,12 @@ lookup_allocation_info(VALUE obj)
     return NULL;
 }
 
+struct allocation_info *
+objspace_lookup_allocation_info(VALUE obj)
+{
+    return lookup_allocation_info(obj);
+}
+
 /*
  * call-seq: allocation_sourcefile(object) -> string
  *