From d4d57dcd7842c2565f5c5f18969ca742bbbaf688 Mon Sep 17 00:00:00 2001
From: kareem-weaver <133832093+kareem-weaver@users.noreply.github.com>
Date: Mon, 7 Aug 2023 14:29:47 -0700
Subject: [PATCH] start sequence diagram

---
 doc/uml_diagrams/sequence_diagram.md | 43 ++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)
 create mode 100644 doc/uml_diagrams/sequence_diagram.md

diff --git a/doc/uml_diagrams/sequence_diagram.md b/doc/uml_diagrams/sequence_diagram.md
new file mode 100644
index 0000000..41d7c65
--- /dev/null
+++ b/doc/uml_diagrams/sequence_diagram.md
@@ -0,0 +1,43 @@
+```mermaid
+sequenceDiagram
+    participant objectfoo
+    participant sp_smart_pointer_t 
+    participant new_foofoo
+    participant cpp_object
+
+    sp_smart_pointer_t ->>objectfoo: 
+
+    objectfoo->>+new_foofoo: foo()
+    new_foofoo->>cpp_object: cpp new foo()
+    cpp_object->>new_foofoo: id
+    
+
+    new_foofoo->>new_foofoo: register_self()
+    new_foofoo->>sp_smart_pointer_t: sp_smart_pointer_t()
+    
+    sp_smart_pointer_t->>countint: <<create>> 
+    
+
+    sp_smart_pointer_t->>sp_resource_t: <<create>>
+    
+    sp_smart_pointer_t->>sp_smart_pointer_t: grab(){count=1} 
+    sp_smart_pointer_t-->>new_foofoo: complete sp_smart_pointer_t()
+
+    sp_smart_pointer_t->>sp_smart_pointer_t: sp_smart_pointer_t::assign()
+    sp_smart_pointer_t->>sp_smart_pointer_t: link count & obj
+    sp_smart_pointer_t->>sp_smart_pointer_t: grab() {count=2} 
+    sp_smart_pointer_t-->>sp_smart_pointer_t: complete sp_smart_pointer_t::assign()
+    sp_smart_pointer_t-->>sp_smart_pointer_t: finalize sp_smart_pointer_t
+
+    sp_smart_pointer_t-->>new_foofoo: complete register_self()
+
+    new_foofoo-->>objectfoo: complete foo()
+    objectfoo->>new_foofoo: assignment
+
+    sp_smart_pointer_t->>sp_smart_pointer_t: ref_counter::assign()
+    sp_smart_pointer_t->>sp_smart_pointer_t: link count & obj
+    sp_smart_pointer_t->>sp_smart_pointer_t: grab() {count=2}
+    sp_smart_pointer_t-->>sp_smart_pointer_t: complete sp_smart_pointer_t::assign()
+    new_foofoo-->>objectfoo: complete assignment
+    new_foofoo-->>sp_smart_pointer_t: finalize sp_smart_pointer_t
+    sp_smart_pointer_t-->>sp_smart_pointer_t: release() {count