comparison mercurial/cext/revlog.c @ 40862:54a60968f0aa

rust: look up HgRevlogIndex_GetParents() from symbol table

And removes the unused index_get_parents_checked() function.

I expect the Index struct will be turned into a pyobject type, though I
haven't written any PoC-level patches yet.

40861:b12700dd261f

	    indexObject *index; /* Ref kept to avoid GC'ing the index */
	void *iter;             /* Rust iterator */
};

/* FFI exposed from Rust code */
rustlazyancestorsObject *
rustlazyancestors_init(indexObject *index,
                       /* to pass index_get_parents() */
                       int (*)(indexObject *, Py_ssize_t, int *, int),
                       /* intrevs vector */
                       Py_ssize_t initrevslen, long *initrevs, long stoprev,
                       int inclusive);
void rustlazyancestors_drop(rustlazyancestorsObject *self);
int rustlazyancestors_next(rustlazyancestorsObject *self);
int rustlazyancestors_contains(rustlazyancestorsObject *self, long rev);

static int index_get_parents_checked(indexObject *self, Py_ssize_t rev, int *ps,
                                     int maxrev)
{
	if (rev < 0 || rev >= index_length(self)) {
		PyErr_SetString(PyExc_ValueError, "rev out of range");
		return -1;
	}
	return index_get_parents(self, rev, ps, maxrev);
}

/* CPython instance methods */
static int rustla_init(rustlazyancestorsObject *self, PyObject *args)
{
	PyObject *initrevsarg = NULL;

		initrevs[i] = PyInt_AsLong(PyList_GET_ITEM(initrevsarg, i));
	}
	if (PyErr_Occurred())
		goto bail;

	self->iter = rustlazyancestors_init(index, index_get_parents, linit,
	                                    initrevs, stoprev, inclusive);
	if (self->iter == NULL) {
		/* if this is because of GraphError::ParentOutOfRange
		 * index_get_parents_checked() has already set the proper
		 * ValueError */
		goto bail;
	}

	free(initrevs);
	return 0;

40862:54a60968f0aa

	    indexObject *index; /* Ref kept to avoid GC'ing the index */
	void *iter;             /* Rust iterator */
};

/* FFI exposed from Rust code */
rustlazyancestorsObject *rustlazyancestors_init(indexObject *index,
                                                /* intrevs vector */
                                                Py_ssize_t initrevslen,
                                                long *initrevs, long stoprev,
                                                int inclusive);
void rustlazyancestors_drop(rustlazyancestorsObject *self);
int rustlazyancestors_next(rustlazyancestorsObject *self);
int rustlazyancestors_contains(rustlazyancestorsObject *self, long rev);

/* CPython instance methods */
static int rustla_init(rustlazyancestorsObject *self, PyObject *args)
{
	PyObject *initrevsarg = NULL;

		initrevs[i] = PyInt_AsLong(PyList_GET_ITEM(initrevsarg, i));
	}
	if (PyErr_Occurred())
		goto bail;

	self->iter =
	    rustlazyancestors_init(index, linit, initrevs, stoprev, inclusive);
	if (self->iter == NULL) {
		/* if this is because of GraphError::ParentOutOfRange
		 * HgRevlogIndex_GetParents() has already set the proper
		 * exception */
		goto bail;
	}

	free(initrevs);
	return 0;