llvm-project/flang/runtime/iostat.cpp

92 lines
3.3 KiB
C++

//===-- runtime/iostat.cpp ------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "flang/Runtime/iostat.h"
namespace Fortran::runtime::io {
const char *IostatErrorString(int iostat) {
switch (iostat) {
case IostatOk:
return "No error";
case IostatEnd:
return "End of file during input";
case IostatEor:
return "End of record during non-advancing input";
case IostatUnflushable:
return "FLUSH not possible";
case IostatInquireInternalUnit:
return "INQUIRE on internal unit";
case IostatGenericError:
return "I/O error"; // dummy value, there's always a message
case IostatRecordWriteOverrun:
return "Excessive output to fixed-size record";
case IostatRecordReadOverrun:
return "Excessive input from fixed-size record";
case IostatInternalWriteOverrun:
return "Internal write overran available records";
case IostatErrorInFormat:
return "Bad FORMAT";
case IostatErrorInKeyword:
return "Bad keyword argument value";
case IostatEndfileDirect:
return "ENDFILE on direct-access file";
case IostatEndfileUnwritable:
return "ENDFILE on read-only file";
case IostatOpenBadRecl:
return "OPEN with bad RECL= value";
case IostatOpenUnknownSize:
return "OPEN of file of unknown size";
case IostatOpenBadAppend:
return "OPEN(POSITION='APPEND') of unpositionable file";
case IostatWriteToReadOnly:
return "Attempted output to read-only file";
case IostatReadFromWriteOnly:
return "Attempted input from write-only file";
case IostatBackspaceNonSequential:
return "BACKSPACE on non-sequential file";
case IostatBackspaceAtFirstRecord:
return "BACKSPACE at first record";
case IostatRewindNonSequential:
return "REWIND on non-sequential file";
case IostatWriteAfterEndfile:
return "WRITE after ENDFILE";
case IostatFormattedIoOnUnformattedUnit:
return "Formatted I/O on unformatted file";
case IostatUnformattedIoOnFormattedUnit:
return "Unformatted I/O on formatted file";
case IostatListIoOnDirectAccessUnit:
return "List-directed or NAMELIST I/O on direct-access file";
case IostatUnformattedChildOnFormattedParent:
return "Unformatted child I/O on formatted parent unit";
case IostatFormattedChildOnUnformattedParent:
return "Formatted child I/O on unformatted parent unit";
case IostatChildInputFromOutputParent:
return "Child input from output parent unit";
case IostatChildOutputToInputParent:
return "Child output to input parent unit";
case IostatShortRead:
return "Read from external unit returned insufficient data";
case IostatMissingTerminator:
return "Sequential record missing its terminator";
case IostatBadUnformattedRecord:
return "Erroneous unformatted sequential file record structure";
case IostatUTF8Decoding:
return "UTF-8 decoding error";
case IostatUnitOverflow:
return "UNIT number is out of range";
case IostatBadRealInput:
return "Bad REAL input value";
case IostatBadScaleFactor:
return "Bad REAL output scale factor (kP)";
default:
return nullptr;
}
}
} // namespace Fortran::runtime::io