Check assignment type

source/semantic.cpp

@@ -305,6 +305,19 @@ namespace elna::source
         statement->body().accept(this);
     }
 
+    void type_analysis_visitor::visit(assign_statement *statement)
+    {
+        statement->rvalue().accept(this);
+        auto lvalue_info = std::dynamic_pointer_cast<typed_info>(this->table->lookup(statement->lvalue()));
+
+        if (statement->rvalue().data_type != nullptr && lvalue_info->type() == statement->rvalue().data_type)
+        {
+            auto new_error = std::make_unique<type_mismatch>(statement->rvalue().data_type,
+                    type_mismatch::operation::assignment, this->filename, statement->position());
+            m_errors.push_back(std::move(new_error));
+        }
+    }
+
     const std::list<std::unique_ptr<error>>& type_analysis_visitor::errors() const noexcept
     {
         return m_errors;