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Correct docs and examples to call SWIG_fail after setting a Python error

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Although 'return NULL' works, it may miss out on some cleanup and NULL
is the wrong value to return in generated code for overloaded functions.
This commit is contained in:
William S Fulton 2016-10-21 08:02:12 +01:00
commit 129ef8ea8f
7 changed files with 74 additions and 66 deletions
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4
Examples/test-suite/namespace_typemap.i
View file

@ -50,7 +50,7 @@ namespace test {
PyComplex_ImagAsDouble($input));
} else {
PyErr_SetString(PyExc_TypeError,"Expected test_complex.\n");
return NULL;
SWIG_fail;
}
}
%typemap(freearg) test::test_complex * {
@ -242,7 +242,7 @@ namespace Split {
$1 = PyInt_AsLong($input);
if ($1 < 0) {
PyErr_SetString(PyExc_ValueError,"domain error\n");
return NULL;
SWIG_fail;
}
}
#endif

6
Examples/test-suite/python_varargs_typemap.i
View file

@ -11,7 +11,7 @@
argc = PyTuple_Size(varargs);
if (argc > 10) {
PyErr_SetString(PyExc_ValueError, "Too many arguments");
return NULL;
SWIG_fail;
}
for (i = 0; i < argc; i++) {
PyObject *pyobj = PyTuple_GetItem(varargs, i);
@ -20,7 +20,7 @@
PyObject *pystr;
if (!PyUnicode_Check(pyobj)) {
PyErr_SetString(PyExc_ValueError, "Expected a string");
return NULL;
SWIG_fail;
}
pystr = PyUnicode_AsUTF8String(pyobj);
str = strdup(PyBytes_AsString(pystr));
@ -28,7 +28,7 @@
%#else
if (!PyString_Check(pyobj)) {
PyErr_SetString(PyExc_ValueError, "Expected a string");
return NULL;
SWIG_fail;
}
str = PyString_AsString(pyobj);
%#endif