blob: 80f5fa817910859f7e4e1dc2c262b2d9153a8e7a (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
|
//===-- runtime/io-error.h --------------------------------------*- C++ -*-===//
//
// 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
//
//===----------------------------------------------------------------------===//
// Distinguishes I/O error conditions; fatal ones lead to termination,
// and those that the user program has chosen to handle are recorded
// so that the highest-priority one can be returned as IOSTAT=.
#ifndef FORTRAN_RUNTIME_IO_ERROR_H_
#define FORTRAN_RUNTIME_IO_ERROR_H_
#include "terminator.h"
#include <cinttypes>
namespace Fortran::runtime::io {
class IoErrorHandler : public Terminator {
public:
using Terminator::Terminator;
explicit IoErrorHandler(const Terminator &that) : Terminator{that} {}
void Begin(const char *sourceFileName, int sourceLine);
void HasIoStat() { flags_ |= hasIoStat; }
void HasErrLabel() { flags_ |= hasErr; }
void HasEndLabel() { flags_ |= hasEnd; }
void HasEorLabel() { flags_ |= hasEor; }
void SignalError(int iostatOrErrno);
void SignalErrno();
void SignalEnd();
void SignalEor();
int GetIoStat() const { return ioStat_; }
private:
enum Flag : std::uint8_t {
hasIoStat = 1, // IOSTAT=
hasErr = 2, // ERR=
hasEnd = 4, // END=
hasEor = 8, // EOR=
};
std::uint8_t flags_{0};
int ioStat_{0};
};
}
#endif // FORTRAN_RUNTIME_IO_ERROR_H_
|
