BEGIN_ERROR_CLASSES()

     ECLASS(NO_ERROR, "no_error", 0)
    ECLASS(DOMAIN_ERROR, "domain_error", 2)
    ECLASS(EVALUATION_ERROR, "evaluation_error", 2)
    ECLASS(EXISTENCE_ERROR, "existence_error", 2)
    ECLASS(INSTANTIATION_ERROR_CLASS, "instantiation_error", 0)
    ECLASS(PERMISSION_ERROR, "permission_error", 3)
    ECLASS(REPRESENTATION_ERROR, "representation_error", 2)
    ECLASS(RESOURCE_ERROR, "resource_error", 2)
    ECLASS(SYNTAX_ERROR_CLASS, "syntax_error", 2)
    ECLASS(SYSTEM_ERROR_CLASS, "system_error", 2)
    ECLASS(TYPE_ERROR, "type_error", 2)
    ECLASS(UNINSTANTIATION_ERROR_CLASS, "uninstantiation_error", 1)
    ECLASS(EVENT, "event", 2)

        END_ERROR_CLASSES();

BEGIN_ERRORS()

/* ISO_ERRORS */

    E0(YAP_NO_ERROR, NO_ERROR)

    E(DOMAIN_ERROR_ABSOLUTE_FILE_NAME_OPTION, DOMAIN_ERROR, "absolute_file_name_option")
    E(DOMAIN_ERROR_ARRAY_OVERFLOW, DOMAIN_ERROR, "array_overflow")
    E(DOMAIN_ERROR_ARRAY_TYPE, DOMAIN_ERROR, "array_type")
    E(DOMAIN_ERROR_FILE_ERRORS, DOMAIN_ERROR, "file_errors")
    E(DOMAIN_ERROR_FILE_TYPE, DOMAIN_ERROR, "file_type")
    E(DOMAIN_ERROR_IO_MODE, DOMAIN_ERROR, "io_mode")
    E(DOMAIN_ERROR_MUTABLE, DOMAIN_ERROR, "mutable")
    E(DOMAIN_ERROR_NON_EMPTY_LIST, DOMAIN_ERROR, "non_empty_list")
    E(DOMAIN_ERROR_NOT_LESS_THAN_ZERO, DOMAIN_ERROR, "not_less_than_zero")
    E(DOMAIN_ERROR_NOT_NL, DOMAIN_ERROR, "not_nl")
    E(DOMAIN_ERROR_NOT_ZERO, DOMAIN_ERROR, "not_zero")
    E(DOMAIN_ERROR_OUT_OF_RANGE, DOMAIN_ERROR, "out_of_range")
    E(DOMAIN_ERROR_OPERATOR_PRIORITY, DOMAIN_ERROR, "operator_priority")
    E(DOMAIN_ERROR_OPERATOR_SPECIFIER, DOMAIN_ERROR, "operator_specifier")
    E(DOMAIN_ERROR_PROLOG_FLAG, DOMAIN_ERROR, "prolog_flag")
    E(DOMAIN_ERROR_RADIX, DOMAIN_ERROR, "radix")
    E(DOMAIN_ERROR_READ_OPTION, DOMAIN_ERROR, "read_option")
    E(DOMAIN_ERROR_SHIFT_COUNT_OVERFLOW, DOMAIN_ERROR, "shift_count_overflow")
    E(DOMAIN_ERROR_SOURCE_SINK, DOMAIN_ERROR, "source_sink")
    E(DOMAIN_ERROR_SOLUTIONS, DOMAIN_ERROR, "solutions")
    E(DOMAIN_ERROR_STREAM, DOMAIN_ERROR, "stream")
    E(DOMAIN_ERROR_STREAM_ENCODING, DOMAIN_ERROR, "stream_encoding")
    E(DOMAIN_ERROR_STREAM_OR_ALIAS, DOMAIN_ERROR, "stream_or_alias")
    E(DOMAIN_ERROR_STREAM_POSITION, DOMAIN_ERROR, "stream_position")
    E(DOMAIN_ERROR_TIMEOUT_SPEC, DOMAIN_ERROR, "timeout_spec")
    E(DOMAIN_ERROR_SYNTAX_ERROR_HANDLER, DOMAIN_ERROR, "syntax_error_handler")
    E(DOMAIN_ERROR_WRITE_OPTION, DOMAIN_ERROR, "write_option")

    E(EVALUATION_ERROR_FLOAT_OVERFLOW, EVALUATION_ERROR, "float_overflow")
    E(EVALUATION_ERROR_FLOAT_UNDERFLOW, EVALUATION_ERROR, "float_underflow")
    E(EVALUATION_ERROR_INT_OVERFLOW, EVALUATION_ERROR, "int_overflow")
    E(EVALUATION_ERROR_UNDEFINED, EVALUATION_ERROR, "undefined")
    E(EVALUATION_ERROR_UNDERFLOW, EVALUATION_ERROR, "underflow")
    E(EVALUATION_ERROR_ZERO_DIVISOR, EVALUATION_ERROR, "zero_divisor")

    E(EXISTENCE_ERROR_ARRAY, EXISTENCE_ERROR, "array")
    E(EXISTENCE_ERROR_KEY, EXISTENCE_ERROR, "key, ")
    E(EXISTENCE_ERROR_MUTEX, EXISTENCE_ERROR, "mutex, ")
    E(EXISTENCE_ERROR_SOURCE_SINK, EXISTENCE_ERROR, "source_sink")
    E(EXISTENCE_ERROR_STREAM, EXISTENCE_ERROR, "stream")
    E(EXISTENCE_ERROR_VARIABLE, EXISTENCE_ERROR, "variable")

    E0(INSTANTIATION_ERROR, INSTANTIATION_ERROR_CLASS)

    E2(PERMISSION_ERROR_ACCESS_PRIVATE_PROCEDURE, PERMISSION_ERROR, "access","private_procedure")
    E2(PERMISSION_ERROR_NEW_ALIAS_FOR_STREAM, PERMISSION_ERROR,
       "add_alias", "stream")
    E2(PERMISSION_ERROR_CREATE_ARRAY, PERMISSION_ERROR, "create", "array")
    E2(PERMISSION_ERROR_CREATE_OPERATOR, PERMISSION_ERROR, "create", "operator")
    E2(PERMISSION_ERROR_INPUT_BINARY_STREAM, PERMISSION_ERROR,
      "input", "binary_stream")
    E2(PERMISSION_ERROR_INPUT_PAST_END_OF_STREAM, PERMISSION_ERROR,
      "input", "past_end_of_stream")
    E2(PERMISSION_ERROR_INPUT_STREAM, PERMISSION_ERROR, "input","stream")
    E2(PERMISSION_ERROR_INPUT_TEXT_STREAM, PERMISSION_ERROR,
      "input","text_stream")
    E2(PERMISSION_ERROR_MODIFY_STATIC_PROCEDURE, PERMISSION_ERROR,
      "modify","static_procedure")
    E2(PERMISSION_ERROR_OPEN_SOURCE_SINK, PERMISSION_ERROR, "open","source_sink")
    E2(PERMISSION_ERROR_OUTPUT_BINARY_STREAM, PERMISSION_ERROR,
      "output","binary_stream")
    E2(PERMISSION_ERROR_OUTPUT_STREAM, PERMISSION_ERROR, "output","stream")
    E2(PERMISSION_ERROR_OUTPUT_TEXT_STREAM, PERMISSION_ERROR,
      "output","text_stream")
    E2(PERMISSION_ERROR_READ_ONLY_FLAG, PERMISSION_ERROR, "read_only","flag")
    E2(PERMISSION_ERROR_RESIZE_ARRAY, PERMISSION_ERROR, "resize","array")
    E2(PERMISSION_ERROR_REPOSITION_STREAM, PERMISSION_ERROR,
      "reposition","stream")

    E(REPRESENTATION_ERROR_CHARACTER, REPRESENTATION_ERROR, "character")
    E(REPRESENTATION_ERROR_CHARACTER_CODE, REPRESENTATION_ERROR,
      "character_code")
    E(REPRESENTATION_ERROR_INT, REPRESENTATION_ERROR, "int")
    E(REPRESENTATION_ERROR_MAX_ARITY, REPRESENTATION_ERROR, "max_arity")
    E(REPRESENTATION_ERROR_VARIABLE, REPRESENTATION_ERROR, "variable")

    E(RESOURCE_ERROR_HUGE_INT, RESOURCE_ERROR, "huge_int")
    E(RESOURCE_ERROR_MAX_STREAMS, RESOURCE_ERROR, "max_streams")
    E(RESOURCE_ERROR_MAX_THREADS, RESOURCE_ERROR, "max_threads")
    E(RESOURCE_ERROR_AUXILIARY_STACK, RESOURCE_ERROR, "auxiliary_stack")
    E(RESOURCE_ERROR_ATTRIBUTED_VARIABLES, RESOURCE_ERROR,
      "attributed_variables")
    E(RESOURCE_ERROR_HEAP, RESOURCE_ERROR, "database_space")
    E(RESOURCE_ERROR_TRAIL, RESOURCE_ERROR, "trail_space")
    E(RESOURCE_ERROR_STACK, RESOURCE_ERROR, "stack_space")

    E(SYNTAX_ERROR, SYNTAX_ERROR_CLASS, "syntax_error")

    E(SYSTEM_ERROR_INTERNAL, SYSTEM_ERROR_CLASS, "internal")
    E(SYSTEM_ERROR_COMPILER, SYSTEM_ERROR_CLASS, "compiler")
    E(SYSTEM_ERROR_FATAL, SYSTEM_ERROR_CLASS, "fatal")
    E(SYSTEM_ERROR_JIT_NOT_AVAILABLE, SYSTEM_ERROR_CLASS, "jit_not_available")
    E(SYSTEM_ERROR_OPERATING_SYSTEM, SYSTEM_ERROR_CLASS, "operating_system_error")
    E(SYSTEM_ERROR_SAVED_STATE, SYSTEM_ERROR_CLASS, "saved_state_error")

    E(ABORT_EVENT, EVENT, "abort")
    E(CALL_COUNTER_UNDERFLOW_EVENT, EVENT, "call_counter_underflow")
    E(PRED_ENTRY_COUNTER_UNDERFLOW_EVENT, EVENT,
      "pred_entry_counter_underflow")
    E(RETRY_COUNTER_UNDERFLOW_EVENT, EVENT, "retry_counter_underflow")
    E(INTERRUPT_EVENT, EVENT, "interrupt")

    E(TYPE_ERROR_ARRAY, TYPE_ERROR, "array")
    E(TYPE_ERROR_ATOM, TYPE_ERROR, "atom")
    E(TYPE_ERROR_ATOMIC, TYPE_ERROR, "atomic")
    E(TYPE_ERROR_BIGNUM, TYPE_ERROR, "bignum")
    E(TYPE_ERROR_BYTE, TYPE_ERROR, "byte")
    E(TYPE_ERROR_CALLABLE, TYPE_ERROR, "callable")
    E(TYPE_ERROR_CHAR, TYPE_ERROR, "char")
    E(TYPE_ERROR_CHARACTER, TYPE_ERROR, "character")
    E(TYPE_ERROR_CHARACTER_CODE, TYPE_ERROR, "character_code")
    E(TYPE_ERROR_COMPOUND, TYPE_ERROR, "compound")
    E(TYPE_ERROR_DBREF, TYPE_ERROR, "dbref")
    E(TYPE_ERROR_DBTERM, TYPE_ERROR, "dbterm")
    E(TYPE_ERROR_EVALUABLE, TYPE_ERROR, "evaluable")
    E(TYPE_ERROR_FLOAT, TYPE_ERROR, "float")
    E(TYPE_ERROR_INTEGER, TYPE_ERROR, "integer")
    E(TYPE_ERROR_KEY, TYPE_ERROR, "key")
    E(TYPE_ERROR_LIST, TYPE_ERROR, "list")
    E(TYPE_ERROR_NUMBER, TYPE_ERROR, "number")
    E(TYPE_ERROR_PARAMETER, TYPE_ERROR, "parameter")
    E(TYPE_ERROR_PREDICATE_INDICATOR, TYPE_ERROR, "predicate_indicator")
    E(TYPE_ERROR_PTR, TYPE_ERROR, "pointer")
    E(TYPE_ERROR_REFERENCE, TYPE_ERROR, "reference")
    E(TYPE_ERROR_STRING, TYPE_ERROR, "string")
    E(TYPE_ERROR_TEXT, TYPE_ERROR, "text")
    E(TYPE_ERROR_UBYTE, TYPE_ERROR, "ubyte")
    E(TYPE_ERROR_UCHAR, TYPE_ERROR, "uchar")
  
    E0(UNINSTANTIATION_ERROR, UNINSTANTIATION_ERROR_CLASS)

        END_ERRORS();