From d91a82850ac337c80807743bc0841369a8a1748c Mon Sep 17 00:00:00 2001
From: Matt Valentine-House <matt@eightbitraptor.com>
Date: Fri, 17 Feb 2023 13:32:51 +0000
Subject: Pull the shape tree out of the vm object

---
 shape.h | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

(limited to 'shape.h')

diff --git a/shape.h b/shape.h
index ab5f707383..dc4a3d5ce1 100644
--- a/shape.h
+++ b/shape.h
@@ -62,6 +62,21 @@ enum shape_type {
     SHAPE_OBJ_TOO_COMPLEX,
 };
 
+typedef struct {
+    /* object shapes */
+    rb_shape_t *shape_list;
+    rb_shape_t *root_shape;
+    shape_id_t next_shape_id;
+} rb_shape_tree_t;
+RUBY_EXTERN rb_shape_tree_t *rb_shape_tree_ptr;
+
+static inline rb_shape_tree_t *
+rb_current_shape_tree(void)
+{
+    return rb_shape_tree_ptr;
+}
+#define GET_SHAPE_TREE() rb_current_shape_tree()
+
 #if SHAPE_IN_BASIC_FLAGS
 static inline shape_id_t
 RBASIC_SHAPE_ID(VALUE obj)
-- 
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