From 7440a5d1433eec4bf87e3723022db187e7f61b1a Mon Sep 17 00:00:00 2001
From: Spartan322 <Megacake1234@gmail.com>
Date: Fri, 28 Jul 2023 00:52:00 -0400
Subject: Rework Grammar and Parser

Add proper headless binary construction:
	Includes basic validation

Add Error and Warning structs to Parser
Add FileNode pointer getter to Parser
Change all `char8_t*` and `const char8_t` to `const char*` in Parser
Add Parser move operators and Parser deconstructor
Add BufferHandler PIMPL object to Parser
Add UTF-8 file Warning to v2script
Add proper Grammar value retrieval
Add AbstractSyntaxTree for v2script data parser:
	Has compile-time embedded type information accessible at compile-time and runtime
	Has Tab-based print functionality

Fix wrong environment reference for headless construction in SConstruct
Add error retrieval
Add BasicCallbackOStreamBuffer for callback streaming
Add CallbackStreamBuffer for char
Add CallbackWStreamBuffer for wchar_t
Add BasicCallbackStream
Add CallbackStream for char
Add CallbackWStream for wchar_t
Add grammar for events and decisions
Add event_parse to Parser
Add decision_parse to Parser
Add .clang-format
Ignore dirty lexy module
Add CSV parser and grammar:
	Creates std::vector<csv::LineObject> for a list of lines

Add BasicParser and BasicBufferHandler to reduce code reduplication
---
 include/openvic-dataloader/detail/Concepts.hpp | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 include/openvic-dataloader/detail/Concepts.hpp

(limited to 'include/openvic-dataloader/detail/Concepts.hpp')

diff --git a/include/openvic-dataloader/detail/Concepts.hpp b/include/openvic-dataloader/detail/Concepts.hpp
new file mode 100644
index 0000000..3e1c785
--- /dev/null
+++ b/include/openvic-dataloader/detail/Concepts.hpp
@@ -0,0 +1,22 @@
+#pragma once
+
+#include <concepts>
+#include <optional>
+#include <type_traits>
+#include <utility>
+
+#include <openvic-dataloader/ParseError.hpp>
+
+namespace ovdl::detail {
+	template<typename T, typename Self, typename... Args>
+	concept LoadCallback =
+		requires(T t, Self* self, Args... args) {
+			{ t(self, std::forward<Args>(args)...) } -> std::same_as<std::optional<ParseError>>;
+		};
+
+	template<typename T>
+	concept Has_c_str =
+		requires(T t) {
+			{ t.c_str() } -> std::same_as<const char*>;
+		};
+}
\ No newline at end of file
-- 
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