From a3e2427017ac637af17d15ef5095285f941e8ea0 Mon Sep 17 00:00:00 2001
From: Username404-59 <w.iron.zombie@gmail.com>
Date: Sun, 19 Jan 2025 18:32:24 +0100
Subject: [PATCH] ParseComponents.hpp: Add a parent reference wrapper to
 ParseTree

Signed-off-by: Username404-59 <w.iron.zombie@gmail.com>
---
 src/headers/parsing/ParseComponents.hpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/headers/parsing/ParseComponents.hpp b/src/headers/parsing/ParseComponents.hpp
index 0484f10..9095fbe 100644
--- a/src/headers/parsing/ParseComponents.hpp
+++ b/src/headers/parsing/ParseComponents.hpp
@@ -42,6 +42,7 @@ class ParseTree: public virtual ParseComponent {
     using array_type = decltype(subComponents);
     using iterator = array_type::iterator;
     using constant_iterator = array_type::const_iterator;
+    mutable optional<reference_wrapper<const ParseTree>> parent;
 protected:
     IS_PARSECOMPONENT
     void addComponent(const T& component) const {
@@ -51,6 +52,9 @@ protected:
             static_assert(is_move_constructible_v<T>, "T is not copy-constructible or move-constructible");
             subComponents.emplace_back(new T(move(const_cast<T&>(component))));
         }
+        if constexpr(is_base_of_v<ParseTree, T>) {
+            reinterpret_cast<const ParseTree&>(*subComponents.back()).parent = cref(*this);
+        }
     };
     IS_PARSECOMPONENT
     void addAllComponents(
@@ -68,6 +72,9 @@ public:
     inline iterator end() noexcept { return subComponents.end(); }
     inline constant_iterator end() const noexcept { return cend(); }
     inline constant_iterator cend() const noexcept { return subComponents.cend(); }
+
+    const decltype(parent)& getParent() const { return parent; }
+
     IS_PARSECOMPONENT
     vector<T*> findById() const {
         vector<T*> filteredComponents;