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1 // Copyright Toru Niina 2017.
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2 // Distributed under the MIT License.
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3 #ifndef TOML11_EXCEPTION_HPP
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4 #define TOML11_EXCEPTION_HPP
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5
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6 #include <array>
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7 #include <string>
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8 #include <stdexcept>
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9
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10 #include <cstring>
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11
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12 #include "source_location.hpp"
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13
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14 namespace toml
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15 {
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16
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17 struct file_io_error : public std::runtime_error
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18 {
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19 public:
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20 file_io_error(int errnum, const std::string& msg, const std::string& fname)
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21 : std::runtime_error(msg + " \"" + fname + "\": errno = " + std::to_string(errnum)),
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22 errno_(errnum)
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23 {}
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24
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25 int get_errno() const noexcept {return errno_;}
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26
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27 private:
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28 int errno_;
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29 };
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30
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31 struct exception : public std::exception
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32 {
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33 public:
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34 explicit exception(const source_location& loc): loc_(loc) {}
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35 virtual ~exception() noexcept override = default;
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36 virtual const char* what() const noexcept override {return "";}
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37 virtual source_location const& location() const noexcept {return loc_;}
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38
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39 protected:
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40 source_location loc_;
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41 };
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42
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43 struct syntax_error : public toml::exception
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44 {
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45 public:
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46 explicit syntax_error(const std::string& what_arg, const source_location& loc)
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47 : exception(loc), what_(what_arg)
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48 {}
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49 virtual ~syntax_error() noexcept override = default;
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50 virtual const char* what() const noexcept override {return what_.c_str();}
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51
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52 protected:
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53 std::string what_;
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54 };
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55
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56 struct type_error : public toml::exception
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57 {
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58 public:
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59 explicit type_error(const std::string& what_arg, const source_location& loc)
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60 : exception(loc), what_(what_arg)
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61 {}
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62 virtual ~type_error() noexcept override = default;
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63 virtual const char* what() const noexcept override {return what_.c_str();}
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64
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65 protected:
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66 std::string what_;
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67 };
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68
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69 struct internal_error : public toml::exception
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70 {
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71 public:
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72 explicit internal_error(const std::string& what_arg, const source_location& loc)
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73 : exception(loc), what_(what_arg)
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74 {}
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75 virtual ~internal_error() noexcept override = default;
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76 virtual const char* what() const noexcept override {return what_.c_str();}
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77
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78 protected:
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79 std::string what_;
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80 };
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81
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82 } // toml
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83 #endif // TOML_EXCEPTION
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