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#include "kern/print.hpp"
#include <string_view>
namespace teachos
{
namespace
{
constinit auto noop = [](std::string_view) {};
constinit auto current_print_handler = static_cast<print_handler *>(noop);
constinit auto current_println_handler = static_cast<println_handler *>(noop);
constinit auto current_print_error_handler = static_cast<print_handler *>(noop);
constinit auto current_println_error_handler = static_cast<println_handler *>(noop);
} // namespace
auto print(std::string_view text) -> void { current_print_handler(text); }
auto println(std::string_view text) -> void { current_println_handler(text); }
auto print_error(std::string_view text) -> void { current_print_error_handler(text); }
auto println_error(std::string_view text) -> void { current_println_error_handler(text); }
auto set_print_handler(print_handler handler) -> print_handler *
{
auto old = current_print_handler;
current_print_handler = handler;
return old;
}
auto set_println_handler(println_handler handler) -> print_handler *
{
auto old = current_println_handler;
current_println_handler = handler;
return old;
}
auto set_print_error_handler(print_handler handler) -> print_handler *
{
auto old = current_print_error_handler;
current_print_error_handler = handler;
return old;
}
auto set_println_error_handler(println_handler handler) -> print_handler *
{
auto old = current_println_error_handler;
current_println_error_handler = handler;
return old;
}
} // namespace teachos
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