Changed the object_count so that it only iterates over the RBasic object, not the full RVALUE known by the GC

include/mruby/gc.h

@@ -12,38 +12,9 @@ extern "C" {
 #endif
 
 #include "mruby.h"
-#include "mruby/array.h"
-#include "mruby/class.h"
-#include "mruby/data.h"
-#include "mruby/hash.h"
-#include "mruby/proc.h"
-#include "mruby/range.h"
-#include "mruby/string.h"
-#include "mruby/variable.h"
+#include "mruby/value.h"
 
-struct free_obj {
-  MRB_OBJECT_HEADER;
-  struct RBasic *next;
-};
-
-struct RVALUE {
-  union {
-    struct free_obj free;
-    struct RBasic basic;
-    struct RObject object;
-    struct RClass klass;
-    struct RString string;
-    struct RArray array;
-    struct RHash hash;
-    struct RRange range;
-    struct RData data;
-    struct RProc proc;
-  } as;
-};
-
-typedef struct RVALUE RVALUE;
-
-typedef int each_object_callback(RVALUE *obj, void *data);
+typedef int each_object_callback(mrb_state *mrb, struct RBasic obj, void *data);
 void mrb_objspace_each_objects(mrb_state *mrb, each_object_callback* callback, void *data);
 
 #if defined(__cplusplus)

mrbgems/mruby-objectspace/src/mruby_objectspace.c

@@ -1,7 +1,9 @@
+#include <stdio.h>
+
 #include <mruby.h>
 #include <mruby/gc.h>
 #include <mruby/hash.h>
-#include <stdio.h>
+#include <mruby/value.h>
 
 /*
  *  call-seq:
@@ -25,22 +27,30 @@
 
 struct os_count_struct {
   size_t total;
+ 	size_t freed;
   size_t counts[MRB_TT_MAXDEFINE+1];
 };
 
-void os_count_object_type(RVALUE *obj, void *data)
+void os_count_object_type(mrb_state *mrb, struct RBasic obj, void *data)
 {
   struct os_count_struct* obj_count;
   obj_count = (struct os_count_struct*)(data);
-  obj_count->counts[mrb_type(obj->as.basic)]++;
-  obj_count->total++;
+  obj_count->counts[mrb_type(obj)]++;
+  if (is_dead(mrb, &obj))
+  {
+  	obj_count->freed++;
+  }
+  else
+  {
+  	obj_count->total++;
+  }
+
 }
 
 mrb_value
 os_count_objects(mrb_state *mrb, mrb_value self)
 {
     struct os_count_struct obj_count;
-    size_t freed = 0;
     size_t i;
     mrb_value hash;
     struct heap_page* page = mrb->heaps;
@@ -56,11 +66,13 @@ os_count_objects(mrb_state *mrb, mrb_value self)
     for (i = 0; i <= MRB_TT_MAXDEFINE; i++) {
         obj_count.counts[i] = 0;
     }
+    obj_count.total = 0;
+    obj_count.freed = 0;
 
     mrb_objspace_each_objects(mrb, os_count_object_type, &obj_count);
 
     mrb_hash_set(mrb, hash, mrb_symbol_value(mrb_intern_cstr(mrb, "TOTAL")), mrb_fixnum_value(obj_count.total));
-    mrb_hash_set(mrb, hash, mrb_symbol_value(mrb_intern_cstr(mrb, "FREE")), mrb_fixnum_value(freed));
+    mrb_hash_set(mrb, hash, mrb_symbol_value(mrb_intern_cstr(mrb, "FREE")), mrb_fixnum_value(obj_count.freed));
 
     for (i = 0; i < MRB_TT_MAXDEFINE; i++) {
         mrb_value type;

mrbgems/mruby-objectspace/test/objectspace.rb

@@ -5,6 +5,11 @@ assert('ObjectSpace.count_objects') do
 	assert_true(h.keys.all? {|x| x.is_a?(Symbol) || x.is_a?(Integer) })
 	assert_true(h.values.all? {|x| x.is_a?(Integer) })
 
+	assert_true(h.has_key?(:TOTAL))
+	assert_true(h.has_key?(:FREE))
+
+	p h.inspect
+
 	h = ObjectSpace.count_objects
 	assert_kind_of(Hash, h)
 	assert_true(h.keys.all? {|x| x.is_a?(Symbol) || x.is_a?(Integer) })
@@ -12,6 +17,8 @@ assert('ObjectSpace.count_objects') do
 
 	assert_raise(TypeError) { ObjectSpace.count_objects(1) }
 
+	p h.inspect
+
 	h0 = {:MRB_TT_FOO=>1000}
 	h = ObjectSpace.count_objects(h0)
 	assert_false(h0.has_key?(:MRB_TT_FOO))
@@ -31,4 +38,8 @@ assert('ObjectSpace.count_objects') do
 
 	assert_equal(h_before[:MRB_TT_HASH] + 1000, h[:MRB_TT_HASH])
 	assert_equal(h_before[:MRB_TT_HASH], h_after[:MRB_TT_HASH])
+
+	p h.inspect
+	p h_after.inspect
+
 end

src/gc.c

@@ -73,6 +73,26 @@
 
 */
 
+struct free_obj {
+  MRB_OBJECT_HEADER;
+  struct RBasic *next;
+};
+
+typedef struct {
+  union {
+    struct free_obj free;
+    struct RBasic basic;
+    struct RObject object;
+    struct RClass klass;
+    struct RString string;
+    struct RArray array;
+    struct RHash hash;
+    struct RRange range;
+    struct RData data;
+    struct RProc proc;
+  } as;
+} RVALUE;
+
 #ifdef GC_PROFILE
 #include <stdio.h>
 #include <sys/time.h>
@@ -1133,7 +1153,7 @@ mrb_objspace_each_objects(mrb_state *mrb, each_object_callback* callback, void *
         p = page->objects;
         pend = p + MRB_HEAP_PAGE_SIZE;
         for (;p < pend; p++) {
-           callback(p, data);
+           callback(mrb, p->as.basic, data);
         }
 
         page = page->next;