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);
}
static void
ast_error_finish(const char *filename)
{
PyObject *type, *value, *tback, *errstr, *loc, *tmp;
long lineno;
loc = PyErr_ProgramText(filename, lineno);
if (!loc) {
Py_INCREF(Py_None);
loc = Py_None;
}
tmp = Py_BuildValue("(zlOO)", filename, lineno, Py_None, loc);
PyErr_Restore(type, value, tback);
}
std::string format_python_traceback(PyObject *tb) {
PyTracebackObject *trace = (PyTracebackObject *)tb;
std::string stack;
stack = "Traceback:\n";
while (trace && trace->tb_frame) {
PyFrameObject *frame = (PyFrameObject *)trace->tb_frame;
stack += base::strfmt(" File \"%s\", line %i, in %s\n", PyString_AsString(frame->f_code->co_filename),
trace->tb_lineno, PyString_AsString(frame->f_code->co_name));
PyObject *code = PyErr_ProgramText(PyString_AsString(frame->f_code->co_filename), trace->tb_lineno);
if (code) {
stack += base::strfmt(" %s", PyString_AsString(code));
Py_DECREF(code);
}
trace = trace->tb_next;
}
return stack;
}
