Shader: Rework scope handling

include/Nazara/Shader/ShaderAstScopedVisitor.inl

@@ -0,0 +1,38 @@
+// Copyright (C) 2020 Jérôme Leclercq
+// This file is part of the "Nazara Engine - Shader generator"
+// For conditions of distribution and use, see copyright notice in Config.hpp
+
+#include <Nazara/Shader/ShaderAstScopedVisitor.hpp>
+#include <Nazara/Shader/Debug.hpp>
+
+namespace Nz::ShaderAst
+{
+	inline auto AstScopedVisitor::FindIdentifier(const std::string_view& identifierName) const -> const Identifier*
+	{
+		auto it = std::find_if(m_identifiersInScope.rbegin(), m_identifiersInScope.rend(), [&](const Identifier& identifier) { return identifier.name == identifierName; });
+		if (it == m_identifiersInScope.rend())
+			return nullptr;
+
+		return &*it;
+	}
+
+	inline void AstScopedVisitor::RegisterStruct(StructDescription structDesc)
+	{
+		std::string name = structDesc.name;
+
+		m_identifiersInScope.push_back({
+			std::move(name),
+			std::move(structDesc)
+		});
+	}
+
+	inline void AstScopedVisitor::RegisterVariable(std::string name, ExpressionType type)
+	{
+		m_identifiersInScope.push_back({
+			std::move(name),
+			Variable { std::move(type) }
+		});
+	}
+}
+
+#include <Nazara/Shader/DebugOff.hpp>