Refactored arguments

include/cmd/args/arg_base.hpp

@@ -0,0 +1,22 @@
+#pragma once
+
+#include <memory>
+
+#include "ast/ast_component.hpp"
+
+namespace fsh{
+
+class _Argument {
+public:
+    virtual void svalue(const std::string& can, const Lexer::TokenType& type = Lexer::TokenType::FLAG) {}
+    virtual void svalue(std::shared_ptr<CommandArgumentNode> can) {
+        svalue(can->gvalue(), can->gtoken_type());
+    }
+
+    template<typename T>
+    static std::shared_ptr<_Argument> create() {return std::make_shared<T>();}
+protected:
+    _Argument(){} 
+};
+
+}