3 files changed, 174 insertions, 361 deletions

diff --git a/include/openvic-dataloader/v2script/AbstractSyntaxTree.hpp b/include/openvic-dataloader/v2script/AbstractSyntaxTree.hpp
index 689ab6e..1e7b2c3 100644
--- a/include/openvic-dataloader/v2script/AbstractSyntaxTree.hpp
+++ b/include/openvic-dataloader/v2script/AbstractSyntaxTree.hpp
@@ -1,310 +1,200 @@
 #pragma once
 
-#include <cstddef>
-#include <cstdint>
-#include <iostream>
-#include <memory>
-#include <string>
+#include <cstdio>
 #include <string_view>
-#include <type_traits>
-#include <utility>
-#include <vector>
 
-#include <openvic-dataloader/detail/OptionalConstexpr.hpp>
-#include <openvic-dataloader/detail/SelfType.hpp>
-#include <openvic-dataloader/detail/TypeName.hpp>
+#include <openvic-dataloader/AbstractSyntaxTree.hpp>
+#include <openvic-dataloader/File.hpp>
+#include <openvic-dataloader/NodeLocation.hpp>
+#include <openvic-dataloader/ParseState.hpp>
+#include <openvic-dataloader/detail/LexyFwdDeclaration.hpp>
 
-namespace lexy {
-	struct nullopt;
-}
+#include <dryad/_detail/assert.hpp>
+#include <dryad/_detail/config.hpp>
+#include <dryad/abstract_node.hpp>
+#include <dryad/node.hpp>
+#include <dryad/symbol.hpp>
+#include <dryad/tree.hpp>
 
-namespace ovdl::v2script {
-	class Parser;
-}
+namespace ovdl::v2script::ast {
+	enum class NodeKind {
+		FileTree,
 
-#define OVDL_PRINT_FUNC_DEF std::ostream& print(std::ostream& stream, std::size_t indent) const override
+		// FlatValues //
+		IdentifierValue, // straight_identifier_value
+		StringValue,	 // "plain string value"
 
-// defines get_type_static and get_type for string type naming
-#define OVDL_RT_TYPE_DEF                                                                              \
-	static constexpr std::string_view get_type_static() { return ::ovdl::detail::type_name<type>(); } \
-	constexpr std::string_view get_type() const override { return ::ovdl::detail::type_name<std::decay_t<decltype(*this)>>(); }
+		FirstFlatValue = IdentifierValue,
+		LastFlatValue = StringValue,
 
-// defines type for self-class referencing
-#define OVDL_TYPE_DEFINE_SELF                                                                                  \
-	struct _self_type_tag {};                                                                                  \
-	constexpr auto _self_type_helper() -> decltype(::ovdl::detail::Writer<_self_type_tag, decltype(this)> {}); \
-	using type = ::ovdl::detail::Read<_self_type_tag>;
+		// Values //
+		ListValue, // { <StatementList> }
+		NullValue,
 
-namespace ovdl::v2script::ast {
+		FirstValue = FirstFlatValue,
+		LastValue = NullValue,
 
-	struct Node;
-	using NodePtr = Node*;
-	using NodeCPtr = const Node*;
-	using NodeUPtr = std::unique_ptr<Node>;
+		// Statements //
+		EventStatement,	 // (country_event|province_event) = { id = <FlatValue> ... }
+		AssignStatement, // <IdentifierValue> = <Value>
+		ValueStatement,	 // <Value>
 
-	struct NodeLocation {
-		const char* _begin = nullptr;
-		const char* _end = nullptr;
+		FirstStatement = EventStatement,
+		LastStatement = ValueStatement,
+	};
 
-		NodeLocation() = default;
-		NodeLocation(const char* pos) : _begin(pos),
-										_end(pos) {}
-		NodeLocation(const char* begin, const char* end) : _begin(begin),
-														   _end(end) {}
+	constexpr std::string_view get_kind_name(NodeKind kind) {
+		switch (kind) {
+			using enum NodeKind;
+			case FileTree: return "file tree";
+			case IdentifierValue: return "identifier value";
+			case StringValue: return "string value";
+			case ListValue: return "list value";
+			case NullValue: return "null value";
+			case EventStatement: return "event statement";
+			case AssignStatement: return "assign statement";
+			case ValueStatement: return "value statement";
+			default: detail::unreachable();
+		}
+	}
 
-		NodeLocation(const NodeLocation&) = default;
-		NodeLocation& operator=(const NodeLocation&) = default;
+	using Node = dryad::node<NodeKind>;
+	using NodeList = dryad::unlinked_node_list<Node>;
 
-		NodeLocation(NodeLocation&&) = default;
-		NodeLocation& operator=(NodeLocation&&) = default;
+	struct Value;
 
-		const char* begin() const { return _begin; }
-		const char* end() const { return _end; }
+	struct FlatValue;
+	struct IdentifierValue;
+	struct StringValue;
 
-		static inline NodeLocation make_from(const char* begin, const char* end) {
-			end++;
-			if (begin >= end) return NodeLocation(begin);
-			return NodeLocation(begin, end);
-		}
-	};
+	struct ListValue;
 
-	struct Node {
-		Node(const Node&) = delete;
-		Node& operator=(const Node&) = delete;
-		Node(NodeLocation location) : _location(location) {}
-		Node(Node&&) = default;
-		Node& operator=(Node&&) = default;
-		virtual ~Node() = default;
+	struct Statement;
+	using StatementList = dryad::unlinked_node_list<Statement>;
 
-		virtual std::ostream& print(std::ostream& stream, std::size_t indent) const = 0;
-		static std::ostream& print_ptr(std::ostream& stream, NodeCPtr node, std::size_t indent);
-		explicit operator std::string() const;
+	struct EventStatement;
+	using EventStatementList = dryad::unlinked_node_list<EventStatement>;
 
-		static constexpr std::string_view get_type_static() { return detail::type_name<Node>(); }
-		constexpr virtual std::string_view get_type() const = 0;
+	struct AssignStatement;
+	using AssignStatementList = dryad::unlinked_node_list<AssignStatement>;
 
-		static constexpr std::string_view get_base_type_static() { return detail::type_name<Node>(); }
-		constexpr virtual std::string_view get_base_type() const { return get_base_type_static(); }
+	struct Value : dryad::abstract_node_range<Node, NodeKind::FirstValue, NodeKind::LastValue> {
+		DRYAD_ABSTRACT_NODE_CTOR(Value);
+	};
 
-		template<typename T>
-		constexpr bool is_type() const {
-			return get_type().compare(detail::type_name<T>()) == 0;
+	struct FlatValue : dryad::abstract_node_range<Value, NodeKind::FirstFlatValue, NodeKind::LastFlatValue> {
+		AbstractSyntaxTree::symbol_type value() const {
+			return _value;
 		}
 
-		template<typename T>
-		constexpr bool is_derived_from() const {
-			return is_type<T>() || get_base_type().compare(detail::type_name<T>()) == 0;
+		const char* value(const AbstractSyntaxTree::symbol_interner_type& symbols) const {
+			return _value.c_str(symbols);
 		}
 
-		template<typename T>
-		constexpr T* cast_to() {
-			if (is_derived_from<T>() || is_type<Node>()) return (static_cast<T*>(this));
-			return nullptr;
-		}
+	protected:
+		explicit FlatValue(dryad::node_ctor ctor, NodeKind kind, AbstractSyntaxTree::symbol_type value)
+			: node_base(ctor, kind),
+			  _value(value) {}
 
-		template<typename T>
-		constexpr const T* const cast_to() const {
-			if (is_derived_from<T>() || is_type<Node>()) return (static_cast<const T*>(this));
-			return nullptr;
-		}
+	protected:
+		AbstractSyntaxTree::symbol_type _value;
+	};
 
-		const NodeLocation location() const { return _location; }
+	struct IdentifierValue : dryad::basic_node<NodeKind::IdentifierValue, FlatValue> {
+		explicit IdentifierValue(dryad::node_ctor ctor, AbstractSyntaxTree::symbol_type value) : node_base(ctor, value) {}
+	};
 
-		struct line_col {
-			uint32_t line;
-			uint32_t column;
-		};
+	struct StringValue : dryad::basic_node<NodeKind::StringValue, FlatValue> {
+		explicit StringValue(dryad::node_ctor ctor, AbstractSyntaxTree::symbol_type value) : node_base(ctor, value) {}
+	};
 
-	private:
-		friend class ::ovdl::v2script::Parser;
-		const line_col get_begin_line_col(const Parser& parser) const;
-		const line_col get_end_line_col(const Parser& parser) const;
+	struct ListValue : dryad::basic_node<NodeKind::ListValue, dryad::container_node<Value>> {
+		explicit ListValue(dryad::node_ctor ctor, StatementList statements);
+		explicit ListValue(dryad::node_ctor ctor, AssignStatementList statements)
+			: node_base(ctor) {
+			insert_child_list_after(nullptr, statements);
+		}
+
+		explicit ListValue(dryad::node_ctor ctor) : ListValue(ctor, StatementList {}) {
+		}
+
+		DRYAD_CHILD_NODE_RANGE_GETTER(Statement, statements, nullptr, this->node_after(_last_statement));
 
 	private:
-		NodeLocation _location;
+		Node* _last_statement;
 	};
 
-	inline std::ostream& operator<<(std::ostream& stream, Node const& node) {
-		return node.print(stream, 0);
-	}
-	inline std::ostream& operator<<(std::ostream& stream, NodeCPtr node) {
-		return Node::print_ptr(stream, node, 0);
-	}
-	inline std::ostream& operator<<(std::ostream& stream, Node::line_col const& val) {
-		return stream << '(' << val.line << ':' << val.column << ')';
-	}
+	struct NullValue : dryad::basic_node<NodeKind::NullValue, Value> {
+		explicit NullValue(dryad::node_ctor ctor) : node_base(ctor) {}
+	};
 
-	template<class T, class... Args>
-	NodePtr make_node_ptr(Args&&... args) {
-		if constexpr (std::is_pointer_v<NodePtr>) {
-			return new T(std::forward<Args>(args)...);
-		} else {
-			return NodePtr(new T(std::forward<Args>(args)...));
+	struct Statement : dryad::abstract_node_range<dryad::container_node<Node>, NodeKind::FirstStatement, NodeKind::LastStatement> {
+		explicit Statement(dryad::node_ctor ctor, NodeKind kind, Value* right)
+			: node_base(ctor, kind) {
+			insert_child_after(nullptr, right);
 		}
-	}
 
-	template<typename To, typename From>
-	To& cast_node_ptr(const From& from) {
-		if constexpr (std::is_pointer_v<NodePtr>) {
-			return *static_cast<To*>(from);
-		} else {
-			return *static_cast<To*>(from.get());
+		explicit Statement(dryad::node_ctor ctor, NodeKind kind, Value* left, Value* right)
+			: node_base(ctor, kind) {
+			insert_child_after(nullptr, left);
+			insert_child_after(left, right);
 		}
-	}
+	};
 
-	template<typename To, typename From>
-	const To& cast_node_cptr(const From& from) {
-		if constexpr (std::is_pointer_v<NodePtr>) {
-			return *static_cast<const To*>(from);
-		} else {
-			return *static_cast<const To*>(from.get());
+	struct EventStatement : dryad::basic_node<NodeKind::EventStatement, Statement> {
+		explicit EventStatement(dryad::node_ctor ctor, bool is_province_event, ListValue* list)
+			: basic_node(ctor, list),
+			  _is_province_event(is_province_event) {
 		}
-	}
 
-	void copy_into_node_ptr_vector(const std::vector<NodePtr>& source, std::vector<NodeUPtr>& dest);
-
-	struct AbstractStringNode : public Node {
-		std::string _name;
-		AbstractStringNode();
-		AbstractStringNode(std::string&& name, bool allow_newline);
-		AbstractStringNode(NodeLocation location);
-		AbstractStringNode(NodeLocation location, std::string&& name, bool allow_newline);
-		OVDL_TYPE_DEFINE_SELF;
-		OVDL_RT_TYPE_DEF;
-		OVDL_PRINT_FUNC_DEF;
-		static constexpr std::string_view get_base_type_static() { return detail::type_name<AbstractStringNode>(); }
-		constexpr std::string_view get_base_type() const override { return ::ovdl::detail::type_name<std::decay_t<decltype(*this)>>(); }
-	};
+		bool is_province_event() const { return _is_province_event; }
 
-#define OVDL_AST_STRING_NODE(NAME)                                                  \
-	struct NAME final : public AbstractStringNode {                                 \
-		NAME();                                                                     \
-		NAME(std::string&& name, bool allow_newline = true);                        \
-		NAME(lexy::nullopt);                                                        \
-		NAME(NodeLocation location);                                                \
-		NAME(NodeLocation location, std::string&& name, bool allow_newline = true); \
-		NAME(NodeLocation location, lexy::nullopt);                                 \
-		OVDL_TYPE_DEFINE_SELF;                                                      \
-		OVDL_RT_TYPE_DEF;                                                           \
-		OVDL_PRINT_FUNC_DEF;                                                        \
-	}
+		DRYAD_CHILD_NODE_GETTER(Value, right, nullptr);
 
-	// Value Expression Nodes
-	OVDL_AST_STRING_NODE(IdentifierNode);
-	OVDL_AST_STRING_NODE(StringNode);
-
-	// Assignment Nodes
-	OVDL_AST_STRING_NODE(FactorNode);
-	OVDL_AST_STRING_NODE(MonthNode);
-	OVDL_AST_STRING_NODE(NameNode);
-	OVDL_AST_STRING_NODE(FireOnlyNode);
-	OVDL_AST_STRING_NODE(IdNode);
-	OVDL_AST_STRING_NODE(TitleNode);
-	OVDL_AST_STRING_NODE(DescNode);
-	OVDL_AST_STRING_NODE(PictureNode);
-	OVDL_AST_STRING_NODE(IsTriggeredNode);
-
-#undef OVDL_AST_STRING_NODE
-
-	struct AssignNode final : public Node {
-		std::string _name;
-		NodeUPtr _initializer;
-		AssignNode(NodeLocation location, NodeCPtr name, NodePtr init);
-		OVDL_TYPE_DEFINE_SELF;
-		OVDL_RT_TYPE_DEF;
-		OVDL_PRINT_FUNC_DEF;
+	private:
+		bool _is_province_event;
 	};
 
-	struct AbstractListNode : public Node {
-		std::vector<NodeUPtr> _statements;
-		AbstractListNode(const std::vector<NodePtr>& statements = std::vector<NodePtr> {});
-		AbstractListNode(NodeLocation location, const std::vector<NodePtr>& statements = std::vector<NodePtr> {});
-		OVDL_TYPE_DEFINE_SELF;
-		OVDL_RT_TYPE_DEF;
-		OVDL_PRINT_FUNC_DEF;
-		static constexpr std::string_view get_base_type_static() { return detail::type_name<AbstractListNode>(); }
-		constexpr std::string_view get_base_type() const override { return ::ovdl::detail::type_name<std::decay_t<decltype(*this)>>(); }
+	struct AssignStatement : dryad::basic_node<NodeKind::AssignStatement, Statement> {
+		explicit AssignStatement(dryad::node_ctor ctor, Value* left, Value* right)
+			: node_base(ctor, left, right) {
+		}
+		DRYAD_CHILD_NODE_GETTER(Value, left, nullptr);
+		DRYAD_CHILD_NODE_GETTER(Value, right, left());
 	};
 
-#define OVDL_AST_LIST_NODE(NAME)                                                                       \
-	struct NAME final : public AbstractListNode {                                                      \
-		NAME(const std::vector<NodePtr>& statements = std::vector<NodePtr> {});                        \
-		NAME(lexy::nullopt);                                                                           \
-		NAME(NodeLocation location, const std::vector<NodePtr>& statements = std::vector<NodePtr> {}); \
-		NAME(NodeLocation location, lexy::nullopt);                                                    \
-		OVDL_TYPE_DEFINE_SELF;                                                                         \
-		OVDL_RT_TYPE_DEF;                                                                              \
-		OVDL_PRINT_FUNC_DEF;                                                                           \
-	}
-
-	OVDL_AST_LIST_NODE(FileNode);
-	OVDL_AST_LIST_NODE(ListNode);
-
-	OVDL_AST_LIST_NODE(ModifierNode);
-	OVDL_AST_LIST_NODE(MtthNode);
-	OVDL_AST_LIST_NODE(EventOptionNode);
-	OVDL_AST_LIST_NODE(BehaviorListNode);
-	OVDL_AST_LIST_NODE(DecisionListNode);
-
-#undef OVDL_AST_LIST_NODE
-
-#define OVDL_AST_LIST_EXTEND(NAME)              \
-	NAME(lexy::nullopt);                        \
-	NAME(NodeLocation location, lexy::nullopt); \
-	OVDL_TYPE_DEFINE_SELF;                      \
-	OVDL_RT_TYPE_DEF;                           \
-	OVDL_PRINT_FUNC_DEF
-
-	struct EventNode final : public AbstractListNode {
-		OVDL_AST_LIST_EXTEND(EventNode);
-		enum class Type {
-			Country,
-			Province
-		} _type;
-		EventNode(Type type, const std::vector<NodePtr>& statements = {});
-		EventNode(NodeLocation location, Type type, const std::vector<NodePtr>& statements = {});
+	struct ValueStatement : dryad::basic_node<NodeKind::ValueStatement, Statement> {
+		explicit ValueStatement(dryad::node_ctor ctor, Value* value)
+			: node_base(ctor, value) {
+		}
+		DRYAD_CHILD_NODE_GETTER(Value, value, nullptr);
 	};
 
-	struct DecisionNode final : public AbstractListNode {
-		OVDL_AST_LIST_EXTEND(DecisionNode);
-		NodeUPtr _name;
-		DecisionNode(NodePtr name, const std::vector<NodePtr>& statements = {});
-		DecisionNode(NodeLocation location, NodePtr name, const std::vector<NodePtr>& statements = {});
-	};
+	struct FileTree : dryad::basic_node<NodeKind::FileTree, dryad::container_node<Node>> {
+		explicit FileTree(dryad::node_ctor ctor, StatementList statements);
+		explicit FileTree(dryad::node_ctor ctor, AssignStatementList statements) : node_base(ctor) {
+			insert_child_list_after(nullptr, statements);
+		}
 
-	struct EventMtthModifierNode final : public AbstractListNode {
-		OVDL_AST_LIST_EXTEND(EventMtthModifierNode);
-		NodeUPtr _factor_value;
-		EventMtthModifierNode() : AbstractListNode() {}
-		EventMtthModifierNode(NodeLocation location) : AbstractListNode(location) {}
-	};
+		explicit FileTree(dryad::node_ctor ctor) : FileTree(ctor, StatementList {}) {
+		}
 
-	// Packed single case
-	struct ExecutionNode final : public Node {
-		enum class Type {
-			Effect,
-			Trigger
-		} _type;
-		NodeUPtr _name;
-		NodeUPtr _initializer;
-		ExecutionNode(Type type, NodePtr name, NodePtr init);
-		ExecutionNode(NodeLocation location, Type type, NodePtr name, NodePtr init);
-		OVDL_TYPE_DEFINE_SELF;
-		OVDL_RT_TYPE_DEF;
-		OVDL_PRINT_FUNC_DEF;
-	};
+		DRYAD_CHILD_NODE_RANGE_GETTER(Statement, statements, nullptr, this->node_after(_last_node));
 
-	struct ExecutionListNode final : public AbstractListNode {
-		OVDL_AST_LIST_EXTEND(ExecutionListNode);
-		ExecutionNode::Type _type;
-		ExecutionListNode(ExecutionNode::Type type, const std::vector<NodePtr>& statements);
-		ExecutionListNode(NodeLocation location, ExecutionNode::Type type, const std::vector<NodePtr>& statements);
+	private:
+		Node* _last_node;
 	};
 
-#undef OVDL_AST_LIST_EXTEND
+	using File = ovdl::BasicFile<lexy::default_encoding, Node>;
+	struct AbstractSyntaxTree : ovdl::BasicAbstractSyntaxTree<File, FileTree> {
+		using BasicAbstractSyntaxTree::BasicAbstractSyntaxTree;
 
-}
+		std::string make_list_visualizer() const;
+		std::string make_native_visualizer() const;
+	};
+	using ParseState = ovdl::ParseState<AbstractSyntaxTree>;
 
-#undef OVDL_PRINT_FUNC_DECL
-#undef OVDL_PRINT_FUNC_DEF
-#undef OVDL_TYPE_DEFINE_SELF
\ No newline at end of file
+	static_assert(IsFile<ast::File>, "File failed IsFile concept");
+	static_assert(IsAst<ast::AbstractSyntaxTree>, "AbstractSyntaxTree failed IsAst concept");
+	static_assert(IsParseState<ast::ParseState>, "ParseState failed IsParseState concept");
+}
\ No newline at end of file
diff --git a/include/openvic-dataloader/v2script/NodeLocationMap.hpp b/include/openvic-dataloader/v2script/NodeLocationMap.hpp
deleted file mode 100644
index aa88d62..0000000
--- a/include/openvic-dataloader/v2script/NodeLocationMap.hpp
+++ /dev/null
@@ -1,91 +0,0 @@
-#pragma once
-
-#include <unordered_map>
-
-#include <openvic-dataloader/detail/PointerHash.hpp>
-#include <openvic-dataloader/v2script/AbstractSyntaxTree.hpp>
-
-#include <lexy/input_location.hpp>
-
-namespace ovdl::v2script::ast {
-	// TODO: FOR THE LOVE OF GOD USE A DIFFERENT HASH MULTIMAP TYPE
-	// See src/openvic-dataloader/v2script/Parser.cpp#252
-	template<typename Input>
-	struct NodeLocationMap : public std::unordered_multimap<NodeCPtr, const lexy::input_location<Input>, detail::PointerHash<Node>> {
-		NodeLocationMap() = default;
-		NodeLocationMap(const Input& input, const Node& top_node) {
-			generate_location_map(input, top_node);
-		}
-
-		NodeLocationMap(const NodeLocationMap&) = default;
-		NodeLocationMap(NodeLocationMap&&) = default;
-
-		NodeLocationMap& operator=(const NodeLocationMap&) = default;
-		NodeLocationMap& operator=(NodeLocationMap&&) = default;
-
-		lexy::input_location_anchor<Input> generate_location_map(const Input& input, NodeCPtr node);
-		lexy::input_location_anchor<Input> generate_location_map(const Input& input, NodeCPtr node, lexy::input_location_anchor<Input> anchor);
-		lexy::input_location_anchor<Input> generate_begin_location_for(const Input& input, NodeCPtr node, lexy::input_location_anchor<Input> anchor);
-		lexy::input_location_anchor<Input> generate_end_location_for(const Input& input, NodeCPtr node, lexy::input_location_anchor<Input> anchor);
-	};
-
-	template<typename Input>
-	constexpr const lexy::input_location<Input> make_begin_loc(const NodeLocation location, const Input& input, lexy::input_location_anchor<Input> anchor) {
-		return lexy::get_input_location(input, location.begin(), anchor);
-	}
-
-	template<typename Input>
-	constexpr const lexy::input_location<Input> make_begin_loc(const NodeLocation location, const Input& input) {
-		return lexy::get_input_location(input, location.begin());
-	}
-
-	template<typename Input>
-	constexpr const lexy::input_location<Input> make_end_loc(const NodeLocation location, const Input& input, lexy::input_location_anchor<Input> anchor) {
-		return lexy::get_input_location(input, location.end(), anchor);
-	}
-
-	template<typename Input>
-	constexpr const lexy::input_location<Input> make_end_loc(const NodeLocation location, const Input& input) {
-		return lexy::get_input_location(input, location.end());
-	}
-}
-
-namespace ovdl::v2script::ast {
-	template<typename Input>
-	lexy::input_location_anchor<Input> NodeLocationMap<Input>::generate_location_map(const Input& input, NodeCPtr node) {
-		return generate_location_map(input, node, lexy::input_location_anchor(input));
-	}
-
-	template<typename Input>
-	lexy::input_location_anchor<Input> NodeLocationMap<Input>::generate_location_map(const Input& input, NodeCPtr node, lexy::input_location_anchor<Input> anchor) {
-		if (!node) return anchor;
-		anchor = generate_begin_location_for(input, node, anchor);
-		if (auto list_node = node->cast_to<ast::AbstractListNode>(); list_node) {
-			for (auto& inner_node : list_node->_statements) {
-				anchor = generate_location_map(input, inner_node.get(), anchor);
-			}
-		} else if (auto assign_node = node->cast_to<ast::AssignNode>(); assign_node) {
-			anchor = generate_location_map(input, assign_node->_initializer.get(), anchor);
-		}
-		// TODO: implement for EventNode, DecisionNode, EventMtthModifierNode, ExecutionNode, ExecutionListNode
-		if (!node->location().end() || node->location().begin() >= node->location().end())
-			return anchor;
-		return generate_end_location_for(input, node, anchor);
-	}
-
-	template<typename Input>
-	lexy::input_location_anchor<Input> NodeLocationMap<Input>::generate_begin_location_for(const Input& input, NodeCPtr node, lexy::input_location_anchor<Input> anchor) {
-		if (node->location().begin() == nullptr) return anchor;
-		lexy::input_location<Input> next_loc = make_begin_loc(node->location(), input, anchor);
-		this->emplace(node, next_loc);
-		return next_loc.anchor();
-	}
-
-	template<typename Input>
-	lexy::input_location_anchor<Input> NodeLocationMap<Input>::generate_end_location_for(const Input& input, NodeCPtr node, lexy::input_location_anchor<Input> anchor) {
-		if (node->location().end() == nullptr) return anchor;
-		lexy::input_location<Input> next_loc = make_end_loc(node->location(), input, anchor);
-		this->emplace(node, next_loc);
-		return next_loc.anchor();
-	}
-}
\ No newline at end of file
diff --git a/include/openvic-dataloader/v2script/Parser.hpp b/include/openvic-dataloader/v2script/Parser.hpp
index 885946d..cef1faf 100644
--- a/include/openvic-dataloader/v2script/Parser.hpp
+++ b/include/openvic-dataloader/v2script/Parser.hpp
@@ -3,21 +3,26 @@
 #include <cstddef>
 #include <filesystem>
 #include <memory>
+#include <ostream>
+#include <string>
 #include <string_view>
 
-#include <openvic-dataloader/ParseError.hpp>
-#include <openvic-dataloader/ParseWarning.hpp>
-#include <openvic-dataloader/detail/BasicParser.hpp>
-#include <openvic-dataloader/detail/Concepts.hpp>
+#include <openvic-dataloader/Error.hpp>
+#include <openvic-dataloader/NodeLocation.hpp>
+#include <openvic-dataloader/Parser.hpp>
+#include <openvic-dataloader/detail/utility/Concepts.hpp>
 #include <openvic-dataloader/v2script/AbstractSyntaxTree.hpp>
 
-namespace ovdl::v2script {
+#include <dryad/node.hpp>
 
-	using FileNode = ast::FileNode;
+namespace ovdl::v2script {
+	using FileTree = ast::FileTree;
+	using FilePosition = ovdl::FilePosition;
 
 	class Parser final : public detail::BasicParser {
 	public:
 		Parser();
+		Parser(std::basic_ostream<char>& error_stream);
 
 		static Parser from_buffer(const char* data, std::size_t size);
 		static Parser from_buffer(const char* start, const char* end);
@@ -31,19 +36,30 @@ namespace ovdl::v2script {
 		constexpr Parser& load_from_file(const char* path);
 		Parser& load_from_file(const std::filesystem::path& path);
 
-		constexpr Parser& load_from_file(const detail::Has_c_str auto& path);
+		constexpr Parser& load_from_file(const detail::HasCstr auto& path) {
+			return load_from_file(path.c_str());
+		}
 
 		bool simple_parse();
 		bool event_parse();
 		bool decision_parse();
 		bool lua_defines_parse();
 
-		const FileNode* get_file_node() const;
+		const FileTree* get_file_node() const;
+
+		std::string_view value(const ovdl::v2script::ast::FlatValue& node) const;
+
+		std::string make_native_string() const;
+		std::string make_list_string() const;
+
+		const FilePosition get_position(const ast::Node* node) const;
+
+		using error_range = ovdl::detail::error_range;
+		Parser::error_range get_errors() const;
 
-		void generate_node_location_map();
+		const FilePosition get_error_position(const error::Error* error) const;
 
-		const ast::Node::line_col get_node_begin(const ast::NodeCPtr node) const;
-		const ast::Node::line_col get_node_end(const ast::NodeCPtr node) const;
+		void print_errors_to(std::basic_ostream<char>& stream) const;
 
 		Parser(Parser&&);
 		Parser& operator=(Parser&&);
@@ -51,12 +67,10 @@ namespace ovdl::v2script {
 		~Parser();
 
 	private:
-		friend class ::ovdl::v2script::ast::Node;
-		class BufferHandler;
-		std::unique_ptr<BufferHandler> _buffer_handler;
-		std::unique_ptr<FileNode> _file_node;
+		class ParseHandler;
+		std::unique_ptr<ParseHandler> _parse_handler;
 
 		template<typename... Args>
-		constexpr void _run_load_func(detail::LoadCallback<BufferHandler, Args...> auto func, Args... args);
+		constexpr void _run_load_func(detail::LoadCallback<Parser::ParseHandler*, Args...> auto func, Args... args);
 	};
 }
\ No newline at end of file