From 88f3389d992245aee145f17bf2a3f62638842930 Mon Sep 17 00:00:00 2001
From: HalidOdat <halidodat@gmail.com>
Date: Mon, 21 Jun 2021 03:56:02 +0200
Subject: [PATCH 1/2] Implement scope mismatch

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

diff --git a/jim.h b/jim.h
index 12f38f0..a36a101 100644
--- a/jim.h
+++ b/jim.h
@@ -14,6 +14,7 @@ typedef enum {
     JIM_SCOPES_OVERFLOW,
     JIM_SCOPES_UNDERFLOW,
     JIM_OUT_OF_SCOPE_KEY,
+    JIM_SCOPE_MISMATCH,
     JIM_DOUBLE_KEY
 } Jim_Error;
 
@@ -169,6 +170,8 @@ const char *jim_error_string(Jim_Error error)
         return "Stack of Scopes Underflow";
     case JIM_OUT_OF_SCOPE_KEY:
         return "Out of Scope key";
+    case JIM_SCOPE_MISMATCH:
+        return "Scope mismatch";
     case JIM_DOUBLE_KEY:
         return "Tried to set the member key twice";
     default:
@@ -333,6 +336,12 @@ void jim_array_begin(Jim *jim)
 void jim_array_end(Jim *jim)
 {
     if (jim->error == JIM_OK) {
+        Jim_Scope *scope = jim_current_scope(jim);
+        if (scope->kind != JIM_ARRAY_SCOPE) {
+            jim->error = JIM_SCOPE_MISMATCH;
+            return;
+        }
+
         jim_write_cstr(jim, "]");
         jim_scope_pop(jim);
         jim_element_end(jim);
@@ -377,6 +386,12 @@ void jim_member_key_sized(Jim *jim, const char *str, size_t size)
 void jim_object_end(Jim *jim)
 {
     if (jim->error == JIM_OK) {
+        Jim_Scope *scope = jim_current_scope(jim);
+        if (scope->kind != JIM_OBJECT_SCOPE) {
+            jim->error = JIM_SCOPE_MISMATCH;
+            return;
+        }
+
         jim_write_cstr(jim, "}");
         jim_scope_pop(jim);
         jim_element_end(jim);

From c50d29f3cc5e454283f9b39860a77cee1534671f Mon Sep 17 00:00:00 2001
From: HalidOdat <halidodat@gmail.com>
Date: Mon, 21 Jun 2021 12:53:05 +0200
Subject: [PATCH 2/2] Check if scope is empty

---
 jim.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/jim.h b/jim.h
index a36a101..0869ae0 100644
--- a/jim.h
+++ b/jim.h
@@ -337,6 +337,11 @@ void jim_array_end(Jim *jim)
 {
     if (jim->error == JIM_OK) {
         Jim_Scope *scope = jim_current_scope(jim);
+        if (!scope) {
+            jim->error = JIM_SCOPES_UNDERFLOW;
+            return;
+        }
+
         if (scope->kind != JIM_ARRAY_SCOPE) {
             jim->error = JIM_SCOPE_MISMATCH;
             return;
@@ -387,6 +392,11 @@ void jim_object_end(Jim *jim)
 {
     if (jim->error == JIM_OK) {
         Jim_Scope *scope = jim_current_scope(jim);
+        if (!scope) {
+            jim->error = JIM_SCOPES_UNDERFLOW;
+            return;
+        }
+
         if (scope->kind != JIM_OBJECT_SCOPE) {
             jim->error = JIM_SCOPE_MISMATCH;
             return;