src/cpp-common/bt2c/exc.hpp

   1 /*
   2  * Copyright (c) 2022 Francis Deslauriers <francis.deslauriers@efficios.com>
   3  *
   4  * SPDX-License-Identifier: MIT
   5  */
   6
   7 #ifndef BABELTRACE_CPP_COMMON_BT2C_EXC_HPP
   8 #define BABELTRACE_CPP_COMMON_BT2C_EXC_HPP
   9
  10 #include <exception>
  11 #include <new>
  12 #include <stdexcept>
  13 #include <string>
  14
  15 namespace bt2c {
  16
  17 /*
  18  * End of iteration.
  19  */
  20 class End : public std::exception
  21 {
  22 public:
  23     explicit End() noexcept : std::exception {}
  24     {
  25     }
  26 };
  27
  28 /*
  29  * General error.
  30  */
  31 class Error : public std::runtime_error
  32 {
  33 public:
  34     explicit Error(std::string msg = "Error") : std::runtime_error {std::move(msg)}
  35     {
  36     }
  37 };
  38
  39 /*
  40  * Overflow error.
  41  */
  42 class OverflowError : public Error
  43 {
  44 public:
  45     explicit OverflowError() noexcept : Error {"Overflow error"}
  46     {
  47     }
  48 };
  49
  50 /*
  51  * Memory error.
  52  */
  53 class MemoryError : public std::bad_alloc
  54 {
  55 public:
  56     explicit MemoryError() noexcept : std::bad_alloc {}
  57     {
  58     }
  59 };
  60
  61 /*
  62  * Not available right now: try again later.
  63  */
  64 class TryAgain : public std::exception
  65 {
  66 public:
  67     explicit TryAgain() noexcept : std::exception {}
  68     {
  69     }
  70 };
  71
  72 /*
  73  * No such file or directory.
  74  */
  75 class NoSuchFileOrDirectoryError : public Error
  76 {
  77 public:
  78     explicit NoSuchFileOrDirectoryError() noexcept : Error {"No such file or directory"}
  79     {
  80     }
  81 };
  82
  83 } /* namespace bt2c */
  84
  85 #endif /* BABELTRACE_CPP_COMMON_BT2C_EXC_HPP */