namespace factor { /* Runtime errors */ enum vm_error_type { ERROR_EXPIRED = 0, ERROR_IO, ERROR_NOT_IMPLEMENTED, ERROR_TYPE, ERROR_DIVIDE_BY_ZERO, ERROR_SIGNAL, ERROR_ARRAY_SIZE, ERROR_C_STRING, ERROR_FFI, ERROR_UNDEFINED_SYMBOL, ERROR_DATASTACK_UNDERFLOW, ERROR_DATASTACK_OVERFLOW, ERROR_RETAINSTACK_UNDERFLOW, ERROR_RETAINSTACK_OVERFLOW, ERROR_CALLSTACK_UNDERFLOW, ERROR_CALLSTACK_OVERFLOW, ERROR_MEMORY, ERROR_FP_TRAP, ERROR_INTERRUPT, }; void fatal_error(const char *msg, cell tagged); void critical_error(const char *msg, cell tagged); void out_of_memory(); void memory_signal_handler_impl(); void fp_signal_handler_impl(); void synchronous_signal_handler_impl(); }