diff options
Diffstat (limited to 'Python/errors.c')
| -rw-r--r-- | Python/errors.c | 1062 |
1 files changed, 531 insertions, 531 deletions
diff --git a/Python/errors.c b/Python/errors.c index 615da19..da4b463 100644 --- a/Python/errors.c +++ b/Python/errors.c @@ -24,109 +24,109 @@ extern "C" { void PyErr_Restore(PyObject *type, PyObject *value, PyObject *traceback) { - PyThreadState *tstate = PyThreadState_GET(); - PyObject *oldtype, *oldvalue, *oldtraceback; - - if (traceback != NULL && !PyTraceBack_Check(traceback)) { - /* XXX Should never happen -- fatal error instead? */ - /* Well, it could be None. */ - Py_DECREF(traceback); - traceback = NULL; - } - - /* Save these in locals to safeguard against recursive - invocation through Py_XDECREF */ - oldtype = tstate->curexc_type; - oldvalue = tstate->curexc_value; - oldtraceback = tstate->curexc_traceback; - - tstate->curexc_type = type; - tstate->curexc_value = value; - tstate->curexc_traceback = traceback; - - Py_XDECREF(oldtype); - Py_XDECREF(oldvalue); - Py_XDECREF(oldtraceback); + PyThreadState *tstate = PyThreadState_GET(); + PyObject *oldtype, *oldvalue, *oldtraceback; + + if (traceback != NULL && !PyTraceBack_Check(traceback)) { + /* XXX Should never happen -- fatal error instead? */ + /* Well, it could be None. */ + Py_DECREF(traceback); + traceback = NULL; + } + + /* Save these in locals to safeguard against recursive + invocation through Py_XDECREF */ + oldtype = tstate->curexc_type; + oldvalue = tstate->curexc_value; + oldtraceback = tstate->curexc_traceback; + + tstate->curexc_type = type; + tstate->curexc_value = value; + tstate->curexc_traceback = traceback; + + Py_XDECREF(oldtype); + Py_XDECREF(oldvalue); + Py_XDECREF(oldtraceback); } void PyErr_SetObject(PyObject *exception, PyObject *value) { - Py_XINCREF(exception); - Py_XINCREF(value); - PyErr_Restore(exception, value, (PyObject *)NULL); + Py_XINCREF(exception); + Py_XINCREF(value); + PyErr_Restore(exception, value, (PyObject *)NULL); } void PyErr_SetNone(PyObject *exception) { - PyErr_SetObject(exception, (PyObject *)NULL); + PyErr_SetObject(exception, (PyObject *)NULL); } void PyErr_SetString(PyObject *exception, const char *string) { - PyObject *value = PyString_FromString(string); - PyErr_SetObject(exception, value); - Py_XDECREF(value); + PyObject *value = PyString_FromString(string); + PyErr_SetObject(exception, value); + Py_XDECREF(value); } PyObject * PyErr_Occurred(void) { - PyThreadState *tstate = PyThreadState_GET(); + PyThreadState *tstate = PyThreadState_GET(); - return tstate->curexc_type; + return tstate->curexc_type; } int PyErr_GivenExceptionMatches(PyObject *err, PyObject *exc) { - if (err == NULL || exc == NULL) { - /* maybe caused by "import exceptions" that failed early on */ - return 0; - } - if (PyTuple_Check(exc)) { - Py_ssize_t i, n; - n = PyTuple_Size(exc); - for (i = 0; i < n; i++) { - /* Test recursively */ - if (PyErr_GivenExceptionMatches( - err, PyTuple_GET_ITEM(exc, i))) - { - return 1; - } - } - return 0; - } - /* err might be an instance, so check its class. */ - if (PyExceptionInstance_Check(err)) - err = PyExceptionInstance_Class(err); - - if (PyExceptionClass_Check(err) && PyExceptionClass_Check(exc)) { - int res = 0; - PyObject *exception, *value, *tb; - PyErr_Fetch(&exception, &value, &tb); - res = PyObject_IsSubclass(err, exc); - /* This function must not fail, so print the error here */ - if (res == -1) { - PyErr_WriteUnraisable(err); - res = 0; - } - PyErr_Restore(exception, value, tb); - return res; - } - - return err == exc; + if (err == NULL || exc == NULL) { + /* maybe caused by "import exceptions" that failed early on */ + return 0; + } + if (PyTuple_Check(exc)) { + Py_ssize_t i, n; + n = PyTuple_Size(exc); + for (i = 0; i < n; i++) { + /* Test recursively */ + if (PyErr_GivenExceptionMatches( + err, PyTuple_GET_ITEM(exc, i))) + { + return 1; + } + } + return 0; + } + /* err might be an instance, so check its class. */ + if (PyExceptionInstance_Check(err)) + err = PyExceptionInstance_Class(err); + + if (PyExceptionClass_Check(err) && PyExceptionClass_Check(exc)) { + int res = 0; + PyObject *exception, *value, *tb; + PyErr_Fetch(&exception, &value, &tb); + res = PyObject_IsSubclass(err, exc); + /* This function must not fail, so print the error here */ + if (res == -1) { + PyErr_WriteUnraisable(err); + res = 0; + } + PyErr_Restore(exception, value, tb); + return res; + } + + return err == exc; } int PyErr_ExceptionMatches(PyObject *exc) { - return PyErr_GivenExceptionMatches(PyErr_Occurred(), exc); + return PyErr_GivenExceptionMatches(PyErr_Occurred(), exc); } @@ -136,123 +136,123 @@ PyErr_ExceptionMatches(PyObject *exc) void PyErr_NormalizeException(PyObject **exc, PyObject **val, PyObject **tb) { - PyObject *type = *exc; - PyObject *value = *val; - PyObject *inclass = NULL; - PyObject *initial_tb = NULL; - PyThreadState *tstate = NULL; - - if (type == NULL) { - /* There was no exception, so nothing to do. */ - return; - } - - /* If PyErr_SetNone() was used, the value will have been actually - set to NULL. - */ - if (!value) { - value = Py_None; - Py_INCREF(value); - } - - if (PyExceptionInstance_Check(value)) - inclass = PyExceptionInstance_Class(value); - - /* Normalize the exception so that if the type is a class, the - value will be an instance. - */ - if (PyExceptionClass_Check(type)) { - /* if the value was not an instance, or is not an instance - whose class is (or is derived from) type, then use the - value as an argument to instantiation of the type - class. - */ - if (!inclass || !PyObject_IsSubclass(inclass, type)) { - PyObject *args, *res; - - if (value == Py_None) - args = PyTuple_New(0); - else if (PyTuple_Check(value)) { - Py_INCREF(value); - args = value; - } - else - args = PyTuple_Pack(1, value); - - if (args == NULL) - goto finally; - res = PyEval_CallObject(type, args); - Py_DECREF(args); - if (res == NULL) - goto finally; - Py_DECREF(value); - value = res; - } - /* if the class of the instance doesn't exactly match the - class of the type, believe the instance - */ - else if (inclass != type) { - Py_DECREF(type); - type = inclass; - Py_INCREF(type); - } - } - *exc = type; - *val = value; - return; + PyObject *type = *exc; + PyObject *value = *val; + PyObject *inclass = NULL; + PyObject *initial_tb = NULL; + PyThreadState *tstate = NULL; + + if (type == NULL) { + /* There was no exception, so nothing to do. */ + return; + } + + /* If PyErr_SetNone() was used, the value will have been actually + set to NULL. + */ + if (!value) { + value = Py_None; + Py_INCREF(value); + } + + if (PyExceptionInstance_Check(value)) + inclass = PyExceptionInstance_Class(value); + + /* Normalize the exception so that if the type is a class, the + value will be an instance. + */ + if (PyExceptionClass_Check(type)) { + /* if the value was not an instance, or is not an instance + whose class is (or is derived from) type, then use the + value as an argument to instantiation of the type + class. + */ + if (!inclass || !PyObject_IsSubclass(inclass, type)) { + PyObject *args, *res; + + if (value == Py_None) + args = PyTuple_New(0); + else if (PyTuple_Check(value)) { + Py_INCREF(value); + args = value; + } + else + args = PyTuple_Pack(1, value); + + if (args == NULL) + goto finally; + res = PyEval_CallObject(type, args); + Py_DECREF(args); + if (res == NULL) + goto finally; + Py_DECREF(value); + value = res; + } + /* if the class of the instance doesn't exactly match the + class of the type, believe the instance + */ + else if (inclass != type) { + Py_DECREF(type); + type = inclass; + Py_INCREF(type); + } + } + *exc = type; + *val = value; + return; finally: - Py_DECREF(type); - Py_DECREF(value); - /* If the new exception doesn't set a traceback and the old - exception had a traceback, use the old traceback for the - new exception. It's better than nothing. - */ - initial_tb = *tb; - PyErr_Fetch(exc, val, tb); - if (initial_tb != NULL) { - if (*tb == NULL) - *tb = initial_tb; - else - Py_DECREF(initial_tb); - } - /* normalize recursively */ - tstate = PyThreadState_GET(); - if (++tstate->recursion_depth > Py_GetRecursionLimit()) { - --tstate->recursion_depth; - /* throw away the old exception... */ - Py_DECREF(*exc); - Py_DECREF(*val); - /* ... and use the recursion error instead */ - *exc = PyExc_RuntimeError; - *val = PyExc_RecursionErrorInst; - Py_INCREF(*exc); - Py_INCREF(*val); - /* just keeping the old traceback */ - return; - } - PyErr_NormalizeException(exc, val, tb); - --tstate->recursion_depth; + Py_DECREF(type); + Py_DECREF(value); + /* If the new exception doesn't set a traceback and the old + exception had a traceback, use the old traceback for the + new exception. It's better than nothing. + */ + initial_tb = *tb; + PyErr_Fetch(exc, val, tb); + if (initial_tb != NULL) { + if (*tb == NULL) + *tb = initial_tb; + else + Py_DECREF(initial_tb); + } + /* normalize recursively */ + tstate = PyThreadState_GET(); + if (++tstate->recursion_depth > Py_GetRecursionLimit()) { + --tstate->recursion_depth; + /* throw away the old exception... */ + Py_DECREF(*exc); + Py_DECREF(*val); + /* ... and use the recursion error instead */ + *exc = PyExc_RuntimeError; + *val = PyExc_RecursionErrorInst; + Py_INCREF(*exc); + Py_INCREF(*val); + /* just keeping the old traceback */ + return; + } + PyErr_NormalizeException(exc, val, tb); + --tstate->recursion_depth; } void PyErr_Fetch(PyObject **p_type, PyObject **p_value, PyObject **p_traceback) { - PyThreadState *tstate = PyThreadState_GET(); + PyThreadState *tstate = PyThreadState_GET(); - *p_type = tstate->curexc_type; - *p_value = tstate->curexc_value; - *p_traceback = tstate->curexc_traceback; + *p_type = tstate->curexc_type; + *p_value = tstate->curexc_value; + *p_traceback = tstate->curexc_traceback; - tstate->curexc_type = NULL; - tstate->curexc_value = NULL; - tstate->curexc_traceback = NULL; + tstate->curexc_type = NULL; + tstate->curexc_value = NULL; + tstate->curexc_traceback = NULL; } void PyErr_Clear(void) { - PyErr_Restore(NULL, NULL, NULL); + PyErr_Restore(NULL, NULL, NULL); } /* Convenience functions to set a type error exception and return 0 */ @@ -260,252 +260,252 @@ PyErr_Clear(void) int PyErr_BadArgument(void) { - PyErr_SetString(PyExc_TypeError, - "bad argument type for built-in operation"); - return 0; + PyErr_SetString(PyExc_TypeError, + "bad argument type for built-in operation"); + return 0; } PyObject * PyErr_NoMemory(void) { - if (PyErr_ExceptionMatches(PyExc_MemoryError)) - /* already current */ - return NULL; - - /* raise the pre-allocated instance if it still exists */ - if (PyExc_MemoryErrorInst) - PyErr_SetObject(PyExc_MemoryError, PyExc_MemoryErrorInst); - else - /* this will probably fail since there's no memory and hee, - hee, we have to instantiate this class - */ - PyErr_SetNone(PyExc_MemoryError); - - return NULL; + if (PyErr_ExceptionMatches(PyExc_MemoryError)) + /* already current */ + return NULL; + + /* raise the pre-allocated instance if it still exists */ + if (PyExc_MemoryErrorInst) + PyErr_SetObject(PyExc_MemoryError, PyExc_MemoryErrorInst); + else + /* this will probably fail since there's no memory and hee, + hee, we have to instantiate this class + */ + PyErr_SetNone(PyExc_MemoryError); + + return NULL; } PyObject * PyErr_SetFromErrnoWithFilenameObject(PyObject *exc, PyObject *filenameObject) { - PyObject *v; - char *s; - int i = errno; + PyObject *v; + char *s; + int i = errno; #ifdef PLAN9 - char errbuf[ERRMAX]; + char errbuf[ERRMAX]; #endif #ifdef MS_WINDOWS - char *s_buf = NULL; - char s_small_buf[28]; /* Room for "Windows Error 0xFFFFFFFF" */ + char *s_buf = NULL; + char s_small_buf[28]; /* Room for "Windows Error 0xFFFFFFFF" */ #endif #ifdef EINTR - if (i == EINTR && PyErr_CheckSignals()) - return NULL; + if (i == EINTR && PyErr_CheckSignals()) + return NULL; #endif #ifdef PLAN9 - rerrstr(errbuf, sizeof errbuf); - s = errbuf; + rerrstr(errbuf, sizeof errbuf); + s = errbuf; #else - if (i == 0) - s = "Error"; /* Sometimes errno didn't get set */ - else + if (i == 0) + s = "Error"; /* Sometimes errno didn't get set */ + else #ifndef MS_WINDOWS - s = strerror(i); + s = strerror(i); #else - { - /* Note that the Win32 errors do not lineup with the - errno error. So if the error is in the MSVC error - table, we use it, otherwise we assume it really _is_ - a Win32 error code - */ - if (i > 0 && i < _sys_nerr) { - s = _sys_errlist[i]; - } - else { - int len = FormatMessage( - FORMAT_MESSAGE_ALLOCATE_BUFFER | - FORMAT_MESSAGE_FROM_SYSTEM | - FORMAT_MESSAGE_IGNORE_INSERTS, - NULL, /* no message source */ - i, - MAKELANGID(LANG_NEUTRAL, - SUBLANG_DEFAULT), - /* Default language */ - (LPTSTR) &s_buf, - 0, /* size not used */ - NULL); /* no args */ - if (len==0) { - /* Only ever seen this in out-of-mem - situations */ - sprintf(s_small_buf, "Windows Error 0x%X", i); - s = s_small_buf; - s_buf = NULL; - } else { - s = s_buf; - /* remove trailing cr/lf and dots */ - while (len > 0 && (s[len-1] <= ' ' || s[len-1] == '.')) - s[--len] = '\0'; - } - } - } + { + /* Note that the Win32 errors do not lineup with the + errno error. So if the error is in the MSVC error + table, we use it, otherwise we assume it really _is_ + a Win32 error code + */ + if (i > 0 && i < _sys_nerr) { + s = _sys_errlist[i]; + } + else { + int len = FormatMessage( + FORMAT_MESSAGE_ALLOCATE_BUFFER | + FORMAT_MESSAGE_FROM_SYSTEM | + FORMAT_MESSAGE_IGNORE_INSERTS, + NULL, /* no message source */ + i, + MAKELANGID(LANG_NEUTRAL, + SUBLANG_DEFAULT), + /* Default language */ + (LPTSTR) &s_buf, + 0, /* size not used */ + NULL); /* no args */ + if (len==0) { + /* Only ever seen this in out-of-mem + situations */ + sprintf(s_small_buf, "Windows Error 0x%X", i); + s = s_small_buf; + s_buf = NULL; + } else { + s = s_buf; + /* remove trailing cr/lf and dots */ + while (len > 0 && (s[len-1] <= ' ' || s[len-1] == '.')) + s[--len] = '\0'; + } + } + } #endif /* Unix/Windows */ #endif /* PLAN 9*/ - if (filenameObject != NULL) - v = Py_BuildValue("(isO)", i, s, filenameObject); - else - v = Py_BuildValue("(is)", i, s); - if (v != NULL) { - PyErr_SetObject(exc, v); - Py_DECREF(v); - } + if (filenameObject != NULL) + v = Py_BuildValue("(isO)", i, s, filenameObject); + else + v = Py_BuildValue("(is)", i, s); + if (v != NULL) { + PyErr_SetObject(exc, v); + Py_DECREF(v); + } #ifdef MS_WINDOWS - LocalFree(s_buf); + LocalFree(s_buf); #endif - return NULL; + return NULL; } PyObject * PyErr_SetFromErrnoWithFilename(PyObject *exc, char *filename) { - PyObject *name = filename ? PyString_FromString(filename) : NULL; - PyObject *result = PyErr_SetFromErrnoWithFilenameObject(exc, name); - Py_XDECREF(name); - return result; + PyObject *name = filename ? PyString_FromString(filename) : NULL; + PyObject *result = PyErr_SetFromErrnoWithFilenameObject(exc, name); + Py_XDECREF(name); + return result; } #ifdef Py_WIN_WIDE_FILENAMES PyObject * PyErr_SetFromErrnoWithUnicodeFilename(PyObject *exc, Py_UNICODE *filename) { - PyObject *name = filename ? - PyUnicode_FromUnicode(filename, wcslen(filename)) : - NULL; - PyObject *result = PyErr_SetFromErrnoWithFilenameObject(exc, name); - Py_XDECREF(name); - return result; + PyObject *name = filename ? + PyUnicode_FromUnicode(filename, wcslen(filename)) : + NULL; + PyObject *result = PyErr_SetFromErrnoWithFilenameObject(exc, name); + Py_XDECREF(name); + return result; } #endif /* Py_WIN_WIDE_FILENAMES */ PyObject * PyErr_SetFromErrno(PyObject *exc) { - return PyErr_SetFromErrnoWithFilenameObject(exc, NULL); + return PyErr_SetFromErrnoWithFilenameObject(exc, NULL); } #ifdef MS_WINDOWS /* Windows specific error code handling */ PyObject *PyErr_SetExcFromWindowsErrWithFilenameObject( - PyObject *exc, - int ierr, - PyObject *filenameObject) + PyObject *exc, + int ierr, + PyObject *filenameObject) { - int len; - char *s; - char *s_buf = NULL; /* Free via LocalFree */ - char s_small_buf[28]; /* Room for "Windows Error 0xFFFFFFFF" */ - PyObject *v; - DWORD err = (DWORD)ierr; - if (err==0) err = GetLastError(); - len = FormatMessage( - /* Error API error */ - FORMAT_MESSAGE_ALLOCATE_BUFFER | - FORMAT_MESSAGE_FROM_SYSTEM | - FORMAT_MESSAGE_IGNORE_INSERTS, - NULL, /* no message source */ - err, - MAKELANGID(LANG_NEUTRAL, - SUBLANG_DEFAULT), /* Default language */ - (LPTSTR) &s_buf, - 0, /* size not used */ - NULL); /* no args */ - if (len==0) { - /* Only seen this in out of mem situations */ - sprintf(s_small_buf, "Windows Error 0x%X", err); - s = s_small_buf; - s_buf = NULL; - } else { - s = s_buf; - /* remove trailing cr/lf and dots */ - while (len > 0 && (s[len-1] <= ' ' || s[len-1] == '.')) - s[--len] = '\0'; - } - if (filenameObject != NULL) - v = Py_BuildValue("(isO)", err, s, filenameObject); - else - v = Py_BuildValue("(is)", err, s); - if (v != NULL) { - PyErr_SetObject(exc, v); - Py_DECREF(v); - } - LocalFree(s_buf); - return NULL; + int len; + char *s; + char *s_buf = NULL; /* Free via LocalFree */ + char s_small_buf[28]; /* Room for "Windows Error 0xFFFFFFFF" */ + PyObject *v; + DWORD err = (DWORD)ierr; + if (err==0) err = GetLastError(); + len = FormatMessage( + /* Error API error */ + FORMAT_MESSAGE_ALLOCATE_BUFFER | + FORMAT_MESSAGE_FROM_SYSTEM | + FORMAT_MESSAGE_IGNORE_INSERTS, + NULL, /* no message source */ + err, + MAKELANGID(LANG_NEUTRAL, + SUBLANG_DEFAULT), /* Default language */ + (LPTSTR) &s_buf, + 0, /* size not used */ + NULL); /* no args */ + if (len==0) { + /* Only seen this in out of mem situations */ + sprintf(s_small_buf, "Windows Error 0x%X", err); + s = s_small_buf; + s_buf = NULL; + } else { + s = s_buf; + /* remove trailing cr/lf and dots */ + while (len > 0 && (s[len-1] <= ' ' || s[len-1] == '.')) + s[--len] = '\0'; + } + if (filenameObject != NULL) + v = Py_BuildValue("(isO)", err, s, filenameObject); + else + v = Py_BuildValue("(is)", err, s); + if (v != NULL) { + PyErr_SetObject(exc, v); + Py_DECREF(v); + } + LocalFree(s_buf); + return NULL; } PyObject *PyErr_SetExcFromWindowsErrWithFilename( - PyObject *exc, - int ierr, - const char *filename) + PyObject *exc, + int ierr, + const char *filename) { - PyObject *name = filename ? PyString_FromString(filename) : NULL; - PyObject *ret = PyErr_SetExcFromWindowsErrWithFilenameObject(exc, - ierr, - name); - Py_XDECREF(name); - return ret; + PyObject *name = filename ? PyString_FromString(filename) : NULL; + PyObject *ret = PyErr_SetExcFromWindowsErrWithFilenameObject(exc, + ierr, + name); + Py_XDECREF(name); + return ret; } #ifdef Py_WIN_WIDE_FILENAMES PyObject *PyErr_SetExcFromWindowsErrWithUnicodeFilename( - PyObject *exc, - int ierr, - const Py_UNICODE *filename) + PyObject *exc, + int ierr, + const Py_UNICODE *filename) { - PyObject *name = filename ? - PyUnicode_FromUnicode(filename, wcslen(filename)) : - NULL; - PyObject *ret = PyErr_SetExcFromWindowsErrWithFilenameObject(exc, - ierr, - name); - Py_XDECREF(name); - return ret; + PyObject *name = filename ? + PyUnicode_FromUnicode(filename, wcslen(filename)) : + NULL; + PyObject *ret = PyErr_SetExcFromWindowsErrWithFilenameObject(exc, + ierr, + name); + Py_XDECREF(name); + return ret; } #endif /* Py_WIN_WIDE_FILENAMES */ PyObject *PyErr_SetExcFromWindowsErr(PyObject *exc, int ierr) { - return PyErr_SetExcFromWindowsErrWithFilename(exc, ierr, NULL); + return PyErr_SetExcFromWindowsErrWithFilename(exc, ierr, NULL); } PyObject *PyErr_SetFromWindowsErr(int ierr) { - return PyErr_SetExcFromWindowsErrWithFilename(PyExc_WindowsError, - ierr, NULL); + return PyErr_SetExcFromWindowsErrWithFilename(PyExc_WindowsError, + ierr, NULL); } PyObject *PyErr_SetFromWindowsErrWithFilename( - int ierr, - const char *filename) + int ierr, + const char *filename) { - PyObject *name = filename ? PyString_FromString(filename) : NULL; - PyObject *result = PyErr_SetExcFromWindowsErrWithFilenameObject( - PyExc_WindowsError, - ierr, name); - Py_XDECREF(name); - return result; + PyObject *name = filename ? PyString_FromString(filename) : NULL; + PyObject *result = PyErr_SetExcFromWindowsErrWithFilenameObject( + PyExc_WindowsError, + ierr, name); + Py_XDECREF(name); + return result; } #ifdef Py_WIN_WIDE_FILENAMES PyObject *PyErr_SetFromWindowsErrWithUnicodeFilename( - int ierr, - const Py_UNICODE *filename) + int ierr, + const Py_UNICODE *filename) { - PyObject *name = filename ? - PyUnicode_FromUnicode(filename, wcslen(filename)) : - NULL; - PyObject *result = PyErr_SetExcFromWindowsErrWithFilenameObject( - PyExc_WindowsError, - ierr, name); - Py_XDECREF(name); - return result; + PyObject *name = filename ? + PyUnicode_FromUnicode(filename, wcslen(filename)) : + NULL; + PyObject *result = PyErr_SetExcFromWindowsErrWithFilenameObject( + PyExc_WindowsError, + ierr, name); + Py_XDECREF(name); + return result; } #endif /* Py_WIN_WIDE_FILENAMES */ #endif /* MS_WINDOWS */ @@ -513,9 +513,9 @@ PyObject *PyErr_SetFromWindowsErrWithUnicodeFilename( void _PyErr_BadInternalCall(char *filename, int lineno) { - PyErr_Format(PyExc_SystemError, - "%s:%d: bad argument to internal function", - filename, lineno); + PyErr_Format(PyExc_SystemError, + "%s:%d: bad argument to internal function", + filename, lineno); } /* Remove the preprocessor macro for PyErr_BadInternalCall() so that we can @@ -524,8 +524,8 @@ _PyErr_BadInternalCall(char *filename, int lineno) void PyErr_BadInternalCall(void) { - PyErr_Format(PyExc_SystemError, - "bad argument to internal function"); + PyErr_Format(PyExc_SystemError, + "bad argument to internal function"); } #define PyErr_BadInternalCall() _PyErr_BadInternalCall(__FILE__, __LINE__) @@ -534,20 +534,20 @@ PyErr_BadInternalCall(void) PyObject * PyErr_Format(PyObject *exception, const char *format, ...) { - va_list vargs; - PyObject* string; + va_list vargs; + PyObject* string; #ifdef HAVE_STDARG_PROTOTYPES - va_start(vargs, format); + va_start(vargs, format); #else - va_start(vargs); + va_start(vargs); #endif - string = PyString_FromFormatV(format, vargs); - PyErr_SetObject(exception, string); - Py_XDECREF(string); - va_end(vargs); - return NULL; + string = PyString_FromFormatV(format, vargs); + PyErr_SetObject(exception, string); + Py_XDECREF(string); + va_end(vargs); + return NULL; } @@ -555,51 +555,51 @@ PyErr_Format(PyObject *exception, const char *format, ...) PyObject * PyErr_NewException(char *name, PyObject *base, PyObject *dict) { - char *dot; - PyObject *modulename = NULL; - PyObject *classname = NULL; - PyObject *mydict = NULL; - PyObject *bases = NULL; - PyObject *result = NULL; - dot = strrchr(name, '.'); - if (dot == NULL) { - PyErr_SetString(PyExc_SystemError, - "PyErr_NewException: name must be module.class"); - return NULL; - } - if (base == NULL) - base = PyExc_Exception; - if (dict == NULL) { - dict = mydict = PyDict_New(); - if (dict == NULL) - goto failure; - } - if (PyDict_GetItemString(dict, "__module__") == NULL) { - modulename = PyString_FromStringAndSize(name, - (Py_ssize_t)(dot-name)); - if (modulename == NULL) - goto failure; - if (PyDict_SetItemString(dict, "__module__", modulename) != 0) - goto failure; - } - if (PyTuple_Check(base)) { - bases = base; - /* INCREF as we create a new ref in the else branch */ - Py_INCREF(bases); - } else { - bases = PyTuple_Pack(1, base); - if (bases == NULL) - goto failure; - } - /* Create a real new-style class. */ - result = PyObject_CallFunction((PyObject *)&PyType_Type, "sOO", - dot+1, bases, dict); + char *dot; + PyObject *modulename = NULL; + PyObject *classname = NULL; + PyObject *mydict = NULL; + PyObject *bases = NULL; + PyObject *result = NULL; + dot = strrchr(name, '.'); + if (dot == NULL) { + PyErr_SetString(PyExc_SystemError, + "PyErr_NewException: name must be module.class"); + return NULL; + } + if (base == NULL) + base = PyExc_Exception; + if (dict == NULL) { + dict = mydict = PyDict_New(); + if (dict == NULL) + goto failure; + } + if (PyDict_GetItemString(dict, "__module__") == NULL) { + modulename = PyString_FromStringAndSize(name, + (Py_ssize_t)(dot-name)); + if (modulename == NULL) + goto failure; + if (PyDict_SetItemString(dict, "__module__", modulename) != 0) + goto failure; + } + if (PyTuple_Check(base)) { + bases = base; + /* INCREF as we create a new ref in the else branch */ + Py_INCREF(bases); + } else { + bases = PyTuple_Pack(1, base); + if (bases == NULL) + goto failure; + } + /* Create a real new-style class. */ + result = PyObject_CallFunction((PyObject *)&PyType_Type, "sOO", + dot+1, bases, dict); failure: - Py_XDECREF(bases); - Py_XDECREF(mydict); - Py_XDECREF(classname); - Py_XDECREF(modulename); - return result; + Py_XDECREF(bases); + Py_XDECREF(mydict); + Py_XDECREF(classname); + Py_XDECREF(modulename); + return result; } /* Call when an exception has occurred but there is no way for Python @@ -607,52 +607,52 @@ PyErr_NewException(char *name, PyObject *base, PyObject *dict) void PyErr_WriteUnraisable(PyObject *obj) { - PyObject *f, *t, *v, *tb; - PyErr_Fetch(&t, &v, &tb); - f = PySys_GetObject("stderr"); - if (f != NULL) { - PyFile_WriteString("Exception ", f); - if (t) { - PyObject* moduleName; - char* className; - assert(PyExceptionClass_Check(t)); - className = PyExceptionClass_Name(t); - if (className != NULL) { - char *dot = strrchr(className, '.'); - if (dot != NULL) - className = dot+1; - } - - moduleName = PyObject_GetAttrString(t, "__module__"); - if (moduleName == NULL) - PyFile_WriteString("<unknown>", f); - else { - char* modstr = PyString_AsString(moduleName); - if (modstr && - strcmp(modstr, "exceptions") != 0) - { - PyFile_WriteString(modstr, f); - PyFile_WriteString(".", f); - } - } - if (className == NULL) - PyFile_WriteString("<unknown>", f); - else - PyFile_WriteString(className, f); - if (v && v != Py_None) { - PyFile_WriteString(": ", f); - PyFile_WriteObject(v, f, 0); - } - Py_XDECREF(moduleName); - } - PyFile_WriteString(" in ", f); - PyFile_WriteObject(obj, f, 0); - PyFile_WriteString(" ignored\n", f); - PyErr_Clear(); /* Just in case */ - } - Py_XDECREF(t); - Py_XDECREF(v); - Py_XDECREF(tb); + PyObject *f, *t, *v, *tb; + PyErr_Fetch(&t, &v, &tb); + f = PySys_GetObject("stderr"); + if (f != NULL) { + PyFile_WriteString("Exception ", f); + if (t) { + PyObject* moduleName; + char* className; + assert(PyExceptionClass_Check(t)); + className = PyExceptionClass_Name(t); + if (className != NULL) { + char *dot = strrchr(className, '.'); + if (dot != NULL) + className = dot+1; + } + + moduleName = PyObject_GetAttrString(t, "__module__"); + if (moduleName == NULL) + PyFile_WriteString("<unknown>", f); + else { + char* modstr = PyString_AsString(moduleName); + if (modstr && + strcmp(modstr, "exceptions") != 0) + { + PyFile_WriteString(modstr, f); + PyFile_WriteString(".", f); + } + } + if (className == NULL) + PyFile_WriteString("<unknown>", f); + else + PyFile_WriteString(className, f); + if (v && v != Py_None) { + PyFile_WriteString(": ", f); + PyFile_WriteObject(v, f, 0); + } + Py_XDECREF(moduleName); + } + PyFile_WriteString(" in ", f); + PyFile_WriteObject(obj, f, 0); + PyFile_WriteString(" ignored\n", f); + PyErr_Clear(); /* Just in case */ + } + Py_XDECREF(t); + Py_XDECREF(v); + Py_XDECREF(tb); } extern PyObject *PyModule_GetWarningsModule(void); @@ -665,59 +665,59 @@ extern PyObject *PyModule_GetWarningsModule(void); void PyErr_SyntaxLocation(const char *filename, int lineno) { - PyObject *exc, *v, *tb, *tmp; - - /* add attributes for the line number and filename for the error */ - PyErr_Fetch(&exc, &v, &tb); - PyErr_NormalizeException(&exc, &v, &tb); - /* XXX check that it is, indeed, a syntax error. It might not - * be, though. */ - tmp = PyInt_FromLong(lineno); - if (tmp == NULL) - PyErr_Clear(); - else { - if (PyObject_SetAttrString(v, "lineno", tmp)) - PyErr_Clear(); - Py_DECREF(tmp); - } - if (filename != NULL) { - tmp = PyString_FromString(filename); - if (tmp == NULL) - PyErr_Clear(); - else { - if (PyObject_SetAttrString(v, "filename", tmp)) - PyErr_Clear(); - Py_DECREF(tmp); - } - - tmp = PyErr_ProgramText(filename, lineno); - if (tmp) { - if (PyObject_SetAttrString(v, "text", tmp)) - PyErr_Clear(); - Py_DECREF(tmp); - } - } - if (PyObject_SetAttrString(v, "offset", Py_None)) { - PyErr_Clear(); - } - if (exc != PyExc_SyntaxError) { - if (!PyObject_HasAttrString(v, "msg")) { - tmp = PyObject_Str(v); - if (tmp) { - if (PyObject_SetAttrString(v, "msg", tmp)) - PyErr_Clear(); - Py_DECREF(tmp); - } else { - PyErr_Clear(); - } - } - if (!PyObject_HasAttrString(v, "print_file_and_line")) { - if (PyObject_SetAttrString(v, "print_file_and_line", - Py_None)) - PyErr_Clear(); - } - } - PyErr_Restore(exc, v, tb); + PyObject *exc, *v, *tb, *tmp; + + /* add attributes for the line number and filename for the error */ + PyErr_Fetch(&exc, &v, &tb); + PyErr_NormalizeException(&exc, &v, &tb); + /* XXX check that it is, indeed, a syntax error. It might not + * be, though. */ + tmp = PyInt_FromLong(lineno); + if (tmp == NULL) + PyErr_Clear(); + else { + if (PyObject_SetAttrString(v, "lineno", tmp)) + PyErr_Clear(); + Py_DECREF(tmp); + } + if (filename != NULL) { + tmp = PyString_FromString(filename); + if (tmp == NULL) + PyErr_Clear(); + else { + if (PyObject_SetAttrString(v, "filename", tmp)) + PyErr_Clear(); + Py_DECREF(tmp); + } + + tmp = PyErr_ProgramText(filename, lineno); + if (tmp) { + if (PyObject_SetAttrString(v, "text", tmp)) + PyErr_Clear(); + Py_DECREF(tmp); + } + } + if (PyObject_SetAttrString(v, "offset", Py_None)) { + PyErr_Clear(); + } + if (exc != PyExc_SyntaxError) { + if (!PyObject_HasAttrString(v, "msg")) { + tmp = PyObject_Str(v); + if (tmp) { + if (PyObject_SetAttrString(v, "msg", tmp)) + PyErr_Clear(); + Py_DECREF(tmp); + } else { + PyErr_Clear(); + } + } + if (!PyObject_HasAttrString(v, "print_file_and_line")) { + if (PyObject_SetAttrString(v, "print_file_and_line", + Py_None)) + PyErr_Clear(); + } + } + PyErr_Restore(exc, v, tb); } /* com_fetch_program_text will attempt to load the line of text that @@ -731,36 +731,36 @@ PyErr_SyntaxLocation(const char *filename, int lineno) PyObject * PyErr_ProgramText(const char *filename, int lineno) { - FILE *fp; - int i; - char linebuf[1000]; - - if (filename == NULL || *filename == '\0' || lineno <= 0) - return NULL; - fp = fopen(filename, "r" PY_STDIOTEXTMODE); - if (fp == NULL) - return NULL; - for (i = 0; i < lineno; i++) { - char *pLastChar = &linebuf[sizeof(linebuf) - 2]; - do { - *pLastChar = '\0'; - if (Py_UniversalNewlineFgets(linebuf, sizeof linebuf, fp, NULL) == NULL) - break; - /* fgets read *something*; if it didn't get as - far as pLastChar, it must have found a newline - or hit the end of the file; if pLastChar is \n, - it obviously found a newline; else we haven't - yet seen a newline, so must continue */ - } while (*pLastChar != '\0' && *pLastChar != '\n'); - } - fclose(fp); - if (i == lineno) { - char *p = linebuf; - while (*p == ' ' || *p == '\t' || *p == '\014') - p++; - return PyString_FromString(p); - } - return NULL; + FILE *fp; + int i; + char linebuf[1000]; + + if (filename == NULL || *filename == '\0' || lineno <= 0) + return NULL; + fp = fopen(filename, "r" PY_STDIOTEXTMODE); + if (fp == NULL) + return NULL; + for (i = 0; i < lineno; i++) { + char *pLastChar = &linebuf[sizeof(linebuf) - 2]; + do { + *pLastChar = '\0'; + if (Py_UniversalNewlineFgets(linebuf, sizeof linebuf, fp, NULL) == NULL) + break; + /* fgets read *something*; if it didn't get as + far as pLastChar, it must have found a newline + or hit the end of the file; if pLastChar is \n, + it obviously found a newline; else we haven't + yet seen a newline, so must continue */ + } while (*pLastChar != '\0' && *pLastChar != '\n'); + } + fclose(fp); + if (i == lineno) { + char *p = linebuf; + while (*p == ' ' || *p == '\t' || *p == '\014') + p++; + return PyString_FromString(p); + } + return NULL; } #ifdef __cplusplus |