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annotate Include/pyerrors.h @ 20737:00a581bdedeb legacy-trunk

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When overriding __str__ or __repr__, set the tp_print slot to NULL.
author Guido van Rossum <guido@python.org>
date Mon, 29 Oct 2001 14:33:44 +0000
parents 3d299b156511
children ba67b9c97b69
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #ifndef Py_ERRORS_H
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2 #define Py_ERRORS_H
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3 #ifdef __cplusplus
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4 extern "C" {
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5 #endif
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6
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7
6
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8 /* Error handling definitions */
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9
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10 DL_IMPORT(void) PyErr_SetNone(PyObject *);
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11 DL_IMPORT(void) PyErr_SetObject(PyObject *, PyObject *);
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12 DL_IMPORT(void) PyErr_SetString(PyObject *, const char *);
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13 DL_IMPORT(PyObject *) PyErr_Occurred(void);
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14 DL_IMPORT(void) PyErr_Clear(void);
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15 DL_IMPORT(void) PyErr_Fetch(PyObject **, PyObject **, PyObject **);
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16 DL_IMPORT(void) PyErr_Restore(PyObject *, PyObject *, PyObject *);
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17
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18 /* Error testing and normalization */
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19 DL_IMPORT(int) PyErr_GivenExceptionMatches(PyObject *, PyObject *);
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20 DL_IMPORT(int) PyErr_ExceptionMatches(PyObject *);
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21 DL_IMPORT(void) PyErr_NormalizeException(PyObject**, PyObject**, PyObject**);
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22
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23
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24 /* Predefined exceptions */
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25
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26 extern DL_IMPORT(PyObject *) PyExc_Exception;
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27 extern DL_IMPORT(PyObject *) PyExc_StopIteration;
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28 extern DL_IMPORT(PyObject *) PyExc_StandardError;
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29 extern DL_IMPORT(PyObject *) PyExc_ArithmeticError;
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30 extern DL_IMPORT(PyObject *) PyExc_LookupError;
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31
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32 extern DL_IMPORT(PyObject *) PyExc_AssertionError;
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33 extern DL_IMPORT(PyObject *) PyExc_AttributeError;
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34 extern DL_IMPORT(PyObject *) PyExc_EOFError;
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35 extern DL_IMPORT(PyObject *) PyExc_FloatingPointError;
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36 extern DL_IMPORT(PyObject *) PyExc_EnvironmentError;
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37 extern DL_IMPORT(PyObject *) PyExc_IOError;
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38 extern DL_IMPORT(PyObject *) PyExc_OSError;
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39 extern DL_IMPORT(PyObject *) PyExc_ImportError;
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40 extern DL_IMPORT(PyObject *) PyExc_IndexError;
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41 extern DL_IMPORT(PyObject *) PyExc_KeyError;
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42 extern DL_IMPORT(PyObject *) PyExc_KeyboardInterrupt;
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43 extern DL_IMPORT(PyObject *) PyExc_MemoryError;
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44 extern DL_IMPORT(PyObject *) PyExc_NameError;
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45 extern DL_IMPORT(PyObject *) PyExc_OverflowError;
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46 extern DL_IMPORT(PyObject *) PyExc_RuntimeError;
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47 extern DL_IMPORT(PyObject *) PyExc_NotImplementedError;
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48 extern DL_IMPORT(PyObject *) PyExc_SyntaxError;
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49 extern DL_IMPORT(PyObject *) PyExc_IndentationError;
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50 extern DL_IMPORT(PyObject *) PyExc_TabError;
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51 extern DL_IMPORT(PyObject *) PyExc_ReferenceError;
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52 extern DL_IMPORT(PyObject *) PyExc_SystemError;
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53 extern DL_IMPORT(PyObject *) PyExc_SystemExit;
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54 extern DL_IMPORT(PyObject *) PyExc_TypeError;
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55 extern DL_IMPORT(PyObject *) PyExc_UnboundLocalError;
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56 extern DL_IMPORT(PyObject *) PyExc_UnicodeError;
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57 extern DL_IMPORT(PyObject *) PyExc_ValueError;
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58 extern DL_IMPORT(PyObject *) PyExc_ZeroDivisionError;
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59 #ifdef MS_WINDOWS
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60 extern DL_IMPORT(PyObject *) PyExc_WindowsError;
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61 #endif
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62
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63 extern DL_IMPORT(PyObject *) PyExc_MemoryErrorInst;
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64
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65 /* Predefined warning categories */
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66 extern DL_IMPORT(PyObject *) PyExc_Warning;
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67 extern DL_IMPORT(PyObject *) PyExc_UserWarning;
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68 extern DL_IMPORT(PyObject *) PyExc_DeprecationWarning;
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69 extern DL_IMPORT(PyObject *) PyExc_SyntaxWarning;
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70 extern DL_IMPORT(PyObject *) PyExc_OverflowWarning;
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71 extern DL_IMPORT(PyObject *) PyExc_RuntimeWarning;
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74 /* Convenience functions */
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75
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76 extern DL_IMPORT(int) PyErr_BadArgument(void);
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77 extern DL_IMPORT(PyObject *) PyErr_NoMemory(void);
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78 extern DL_IMPORT(PyObject *) PyErr_SetFromErrno(PyObject *);
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79 extern DL_IMPORT(PyObject *) PyErr_SetFromErrnoWithFilename(PyObject *, char *);
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80 extern DL_IMPORT(PyObject *) PyErr_Format(PyObject *, const char *, ...)
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81 __attribute__((format(printf, 2, 3)));
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82 #ifdef MS_WINDOWS
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83 extern DL_IMPORT(PyObject *) PyErr_SetFromWindowsErrWithFilename(int, const char *);
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84 extern DL_IMPORT(PyObject *) PyErr_SetFromWindowsErr(int);
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85 #endif
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86
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87 /* Export the old function so that the existing API remains available: */
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88 extern DL_IMPORT(void) PyErr_BadInternalCall(void);
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89 extern DL_IMPORT(void) _PyErr_BadInternalCall(char *filename, int lineno);
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90 /* Mask the old API with a call to the new API for code compiled under
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91 Python 2.0: */
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92 #define PyErr_BadInternalCall() _PyErr_BadInternalCall(__FILE__, __LINE__)
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93
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94 /* Function to create a new exception */
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95 DL_IMPORT(PyObject *) PyErr_NewException(char *name, PyObject *base,
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96 PyObject *dict);
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97 extern DL_IMPORT(void) PyErr_WriteUnraisable(PyObject *);
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98
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99 /* Issue a warning or exception */
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100 extern DL_IMPORT(int) PyErr_Warn(PyObject *, char *);
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101 extern DL_IMPORT(int) PyErr_WarnExplicit(PyObject *, char *,
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102 char *, int, char *, PyObject *);
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103
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104 /* In sigcheck.c or signalmodule.c */
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105 extern DL_IMPORT(int) PyErr_CheckSignals(void);
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106 extern DL_IMPORT(void) PyErr_SetInterrupt(void);
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107
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108 /* Support for adding program text to SyntaxErrors */
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109 extern DL_IMPORT(void) PyErr_SyntaxLocation(char *, int);
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110 extern DL_IMPORT(PyObject *) PyErr_ProgramText(char *, int);
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111
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112 /* These APIs aren't really part of the error implementation, but
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113 often needed to format error messages; the native C lib APIs are
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114 not available on all platforms, which is why we provide emulations
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115 for those platforms in Python/mysnprintf.c */
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116 #if defined(MS_WIN32) && !defined(HAVE_SNPRINTF)
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117 # define HAVE_SNPRINTF
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118 # define snprintf _snprintf
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119 # define vsnprintf _vsnprintf
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120 #endif
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121
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122 /* Always enable the fallback solution during the 2.2.0 alpha cycle
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123 for enhanced testing */
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124 #if PY_VERSION_HEX < 0x020200B0
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125 # undef HAVE_SNPRINTF
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126 #endif
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127
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128 #ifndef HAVE_SNPRINTF
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129 #include <stdarg.h>
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130 extern DL_IMPORT(int) PyOS_snprintf(char *str, size_t size, const char *format, ...)
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131 __attribute__((format(printf, 3, 4)));
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132 extern DL_IMPORT(int) PyOS_vsnprintf(char *str, size_t size, const char *format, va_list va)
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133 __attribute__((format(printf, 3, 0)));
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134 #else
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135 # define PyOS_vsnprintf vsnprintf
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136 # define PyOS_snprintf snprintf
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137 #endif
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138
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139 #ifdef __cplusplus
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140 }
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141 #endif
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142 #endif /* !Py_ERRORS_H */