140 lines
3 KiB
C++
140 lines
3 KiB
C++
#include <pslang/interpreter/value.hpp>
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#include <pslang/types/print.hpp>
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#include <iomanip>
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namespace pslang::interpreter
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{
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namespace
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{
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types::type type_of_impl(unit_value const &)
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{
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return types::unit_type{};
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}
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template <typename T>
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types::type type_of_impl(primitive_value_base<T> const &)
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{
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return types::primitive_type(types::primitive_type_base<T>{});
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}
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types::type type_of_impl(primitive_value const & value)
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{
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return std::visit([](auto const & value){ return type_of_impl(value); }, value);
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}
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types::type type_of_impl(array_value const & value)
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{
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return types::array_type{.element_type = value.element_type, .size = value.elements.size()};
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}
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types::type type_of_impl(struct_value const & value)
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{
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return *value.struct_type;
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}
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types::type type_of_impl(function_value const & value)
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{
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types::function_type result;
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for (auto const & argument : value.arguments)
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result.arguments.push_back(argument.type);
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result.result = value.return_type;
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return result;
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}
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types::type type_of_impl(value const & value)
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{
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return std::visit([](auto const & value){ return type_of_impl(value); }, value);
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}
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void print_impl(std::ostream & out, unit_value const &)
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{
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out << "unit";
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}
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template <typename T>
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void print_impl(std::ostream & out, primitive_value_base<T> const & value)
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{
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if constexpr (std::is_same_v<T, bool>)
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{
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out << (value.value ? "true" : "false");
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}
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else if constexpr (std::is_integral_v<T> && std::is_signed_v<T>)
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{
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out << (std::int64_t)value.value;
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}
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else if constexpr (std::is_integral_v<T> && std::is_unsigned_v<T>)
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{
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out << (std::uint64_t)value.value;
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}
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else if constexpr (std::is_same_v<T, float>)
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{
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out << std::setprecision(7) << value.value;
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}
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else if constexpr (std::is_same_v<T, double>)
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{
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out << std::setprecision(15) << value.value;
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}
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else
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{
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out << "(unknown)";
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}
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}
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void print_impl(std::ostream & out, primitive_value const & value)
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{
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std::visit([&](auto const & value){ return print_impl(out, value); }, value);
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}
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void print_impl(std::ostream & out, array_value const & value)
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{
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out << "[";
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for (std::size_t i = 0; i < value.elements.size(); ++i)
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{
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if (i > 0)
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out << ", ";
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print(out, *value.elements[i]);
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}
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out << "]";
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}
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void print_impl(std::ostream & out, struct_value const & value)
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{
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out << "{";
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bool first = true;
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for (auto const & field : value.fields)
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{
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if (!first)
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out << ", ";
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first = false;
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out << field.first << " = ";
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print(out, *field.second);
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}
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out << "}";
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}
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void print_impl(std::ostream & out, function_value const & value)
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{
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out << "func";
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}
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void print_impl(std::ostream & out, value const & value)
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{
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std::visit([&](auto const & value){ return print_impl(out, value); }, value);
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}
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}
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types::type type_of(value const & value)
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{
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return type_of_impl(value);
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}
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void print(std::ostream & out, value const & value)
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{
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print_impl(out, value);
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}
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}
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