Files
fsh-oop/include/cmd/args/arg_generic.hpp

36 lines
1001 B
C++

#pragma once
#include <memory>
#include "cmd/args/arg_base.hpp"
#include "ast/ast_component.hpp"
namespace fsh {
template <typename T>
class Argument : public _Argument {
public:
static T& get(std::shared_ptr<_Argument> a) { return std::dynamic_pointer_cast<Argument<T> >(a)->gvalue(); }
Argument() {}
virtual void svalue(const std::string& val, const Lexer::TokenType& type) override;
virtual T& gvalue() { return value; }
private:
bool is_string_literal; // Currently no getter
T value;
};
template <class T>
void Argument<T>::svalue(const std::string& val, const Lexer::TokenType& type) {
if constexpr (std::is_same_v<T, std::string>) {
value = val;
} else {
std::stringstream ss_val(val);
if (!(ss_val >> value)) { throw std::invalid_argument("Incorrect type"); }
}
is_string_literal = type == Lexer::TokenType::STRING_LITERAL;
}
}