pslang/libs/interpreter/source/value.cpp

88 lines
1.9 KiB
C++

#include <pslang/interpreter/value.hpp>
#include <iomanip>
namespace pslang::interpreter
{
namespace
{
type::type type_of_impl(unit_value const &)
{
return type::unit_type{};
}
template <typename T>
type::type type_of_impl(primitive_value_base<T> const &)
{
return type::primitive_type(type::primitive_type_base<T>{});
}
type::type type_of_impl(primitive_value const & value)
{
return std::visit([](auto const & value){ return type_of_impl(value); }, value);
}
type::type type_of_impl(value const & value)
{
return std::visit([](auto const & value){ return type_of_impl(value); }, value);
}
void print_impl(std::ostream & out, unit_value const &)
{
out << "unit";
}
template <typename T>
void print_impl(std::ostream & out, primitive_value_base<T> const & value)
{
if constexpr (std::is_same_v<T, bool>)
{
out << (value.value ? "true" : "false");
}
else if constexpr (std::is_integral_v<T> && std::is_signed_v<T>)
{
out << (std::int64_t)value.value;
}
else if constexpr (std::is_integral_v<T> && std::is_unsigned_v<T>)
{
out << (std::uint64_t)value.value;
}
else if constexpr (std::is_same_v<T, float>)
{
out << std::setprecision(7) << value.value;
}
else if constexpr (std::is_same_v<T, double>)
{
out << std::setprecision(15) << value.value;
}
else
{
out << "(unknown)";
}
}
void print_impl(std::ostream & out, primitive_value const & value)
{
std::visit([&](auto const & value){ return print_impl(out, value); }, value);
}
void print_impl(std::ostream & out, value const & value)
{
std::visit([&](auto const & value){ return print_impl(out, value); }, value);
}
}
type::type type_of(value const & value)
{
return type_of_impl(value);
}
void print(std::ostream & out, value const & value)
{
print_impl(out, value);
}
}