Shader: Add support for custom functions calls (and better handle intrinsics)

include/Nazara/Shader/Ast/SanitizeVisitor.inl

@@ -7,11 +7,6 @@
 
 namespace Nz::ShaderAst
 {
-	inline SanitizeVisitor::SanitizeVisitor() :
-	m_nextFuncIndex(0)
-	{
-	}
-
 	inline StatementPtr SanitizeVisitor::Sanitize(const StatementPtr& statement, std::string* error)
 	{
 		return Sanitize(statement, {}, error);
@@ -26,56 +21,6 @@ namespace Nz::ShaderAst
 		return &*it;
 	}
 
-	inline std::size_t SanitizeVisitor::RegisterFunction(std::string name)
-	{
-		return m_nextFuncIndex++;
-	}
-
-	inline std::size_t SanitizeVisitor::RegisterOption(std::string name, ExpressionType type)
-	{
-		std::size_t optionIndex = m_options.size();
-		m_options.emplace_back(std::move(type));
-
-		m_identifiersInScope.push_back({
-			std::move(name),
-			Option {
-				optionIndex
-			}
-		});
-
-		return optionIndex;
-	}
-
-	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;
-	}
-
 	inline StatementPtr Sanitize(const StatementPtr& ast, std::string* error)
 	{
 		SanitizeVisitor sanitizer;