Shader: Merge AstScopedVisitor, AstValidator and TransformVisitor to SanitizeVisitor

include/Nazara/Shader/Ast/SanitizeVisitor.inl

@@ -0,0 +1,68 @@
+// 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/Ast/SanitizeVisitor.hpp>
+#include <Nazara/Shader/Debug.hpp>
+
+namespace Nz::ShaderAst
+{
+	inline SanitizeVisitor::SanitizeVisitor() :
+	m_nextFuncIndex(0)
+	{
+	}
+
+	inline auto SanitizeVisitor::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 std::size_t SanitizeVisitor::RegisterFunction(std::string name)
+	{
+		std::size_t funcIndex = m_nextFuncIndex++;
+		return funcIndex;
+	}
+
+
+	inline std::size_t SanitizeVisitor::RegisterStruct(std::string name, StructDescription description)
+	{
+		std::size_t structIndex = m_structs.size();
+		m_structs.emplace_back(std::move(description));
+
+		m_identifiersInScope.push_back({
+			std::move(name),
+			Struct {
+				structIndex
+			}
+		});
+
+		return structIndex;
+	}
+
+	inline std::size_t SanitizeVisitor::RegisterVariable(std::string name, ExpressionType type)
+	{
+		std::size_t varIndex = m_variables.size();
+		m_variables.emplace_back(std::move(type));
+
+		m_identifiersInScope.push_back({
+			std::move(name),
+			Variable {
+				varIndex
+			}
+		});
+
+		return varIndex;
+	}
+
+	StatementPtr Sanitize(StatementPtr& ast, std::string* error)
+	{
+		SanitizeVisitor sanitizer;
+		return sanitizer.Sanitize(ast, error);
+	}
+}
+
+#include <Nazara/Shader/DebugOff.hpp>