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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 02:44:24 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 02:44:24 +0000
commit8baab3c8d7a6f22888bd581cd5c6098fd2e4b5a8 (patch)
tree3537e168b860f2742f6029d70501b5ed7d15d345 /src/if_py_both.h
parentInitial commit. (diff)
downloadvim-8baab3c8d7a6f22888bd581cd5c6098fd2e4b5a8.tar.xz
vim-8baab3c8d7a6f22888bd581cd5c6098fd2e4b5a8.zip
Adding upstream version 2:8.1.0875.upstream/2%8.1.0875upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/if_py_both.h')
-rw-r--r--src/if_py_both.h6951
1 files changed, 6951 insertions, 0 deletions
diff --git a/src/if_py_both.h b/src/if_py_both.h
new file mode 100644
index 0000000..a0c1663
--- /dev/null
+++ b/src/if_py_both.h
@@ -0,0 +1,6951 @@
+/* vi:set ts=8 sts=4 sw=4 noet:
+ *
+ * VIM - Vi IMproved by Bram Moolenaar
+ *
+ * Do ":help uganda" in Vim to read copying and usage conditions.
+ * Do ":help credits" in Vim to see a list of people who contributed.
+ * See README.txt for an overview of the Vim source code.
+ */
+/*
+ * Python extensions by Paul Moore, David Leonard, Roland Puntaier, Nikolay
+ * Pavlov.
+ *
+ * Common code for if_python.c and if_python3.c.
+ */
+
+#ifdef __BORLANDC__
+/* Disable Warning W8060: Possibly incorrect assignment in function ... */
+# pragma warn -8060
+#endif
+
+static char_u e_py_systemexit[] = "E880: Can't handle SystemExit of %s exception in vim";
+
+#if PY_VERSION_HEX < 0x02050000
+typedef int Py_ssize_t; /* Python 2.4 and earlier don't have this type. */
+#endif
+
+#define ENC_OPT ((char *)p_enc)
+#define DOPY_FUNC "_vim_pydo"
+
+static const char *vim_special_path = "_vim_path_";
+
+#define PyErr_SET_STRING(exc, str) PyErr_SetString(exc, _(str))
+#define PyErr_SetVim(str) PyErr_SetString(VimError, str)
+#define PyErr_SET_VIM(str) PyErr_SET_STRING(VimError, str)
+#define PyErr_FORMAT(exc, str, arg) PyErr_Format(exc, _(str), arg)
+#define PyErr_FORMAT2(exc, str, arg1, arg2) PyErr_Format(exc, _(str), arg1,arg2)
+#define PyErr_VIM_FORMAT(str, arg) PyErr_FORMAT(VimError, str, arg)
+
+#define Py_TYPE_NAME(obj) (obj->ob_type->tp_name == NULL \
+ ? "(NULL)" \
+ : obj->ob_type->tp_name)
+
+#define RAISE_NO_EMPTY_KEYS PyErr_SET_STRING(PyExc_ValueError, \
+ N_("empty keys are not allowed"))
+#define RAISE_LOCKED_DICTIONARY PyErr_SET_VIM(N_("dictionary is locked"))
+#define RAISE_LOCKED_LIST PyErr_SET_VIM(N_("list is locked"))
+#define RAISE_UNDO_FAIL PyErr_SET_VIM(N_("cannot save undo information"))
+#define RAISE_DELETE_LINE_FAIL PyErr_SET_VIM(N_("cannot delete line"))
+#define RAISE_INSERT_LINE_FAIL PyErr_SET_VIM(N_("cannot insert line"))
+#define RAISE_REPLACE_LINE_FAIL PyErr_SET_VIM(N_("cannot replace line"))
+#define RAISE_KEY_ADD_FAIL(key) \
+ PyErr_VIM_FORMAT(N_("failed to add key '%s' to dictionary"), key)
+#define RAISE_INVALID_INDEX_TYPE(idx) \
+ PyErr_FORMAT(PyExc_TypeError, N_("index must be int or slice, not %s"), \
+ Py_TYPE_NAME(idx));
+
+#define INVALID_BUFFER_VALUE ((buf_T *)(-1))
+#define INVALID_WINDOW_VALUE ((win_T *)(-1))
+#define INVALID_TABPAGE_VALUE ((tabpage_T *)(-1))
+
+typedef void (*rangeinitializer)(void *);
+typedef void (*runner)(const char *, void *
+#ifdef PY_CAN_RECURSE
+ , PyGILState_STATE *
+#endif
+ );
+
+static int ConvertFromPyObject(PyObject *, typval_T *);
+static int _ConvertFromPyObject(PyObject *, typval_T *, PyObject *);
+static int ConvertFromPyMapping(PyObject *, typval_T *);
+static int ConvertFromPySequence(PyObject *, typval_T *);
+static PyObject *WindowNew(win_T *, tabpage_T *);
+static PyObject *BufferNew (buf_T *);
+static PyObject *LineToString(const char *);
+
+static PyInt RangeStart;
+static PyInt RangeEnd;
+
+static PyObject *globals;
+
+static PyObject *py_chdir;
+static PyObject *py_fchdir;
+static PyObject *py_getcwd;
+static PyObject *vim_module;
+static PyObject *vim_special_path_object;
+
+#if PY_VERSION_HEX >= 0x030700f0
+static PyObject *py_find_spec;
+#else
+static PyObject *py_find_module;
+static PyObject *py_load_module;
+#endif
+
+static PyObject *VimError;
+
+/*
+ * obtain a lock on the Vim data structures
+ */
+ static void
+Python_Lock_Vim(void)
+{
+}
+
+/*
+ * release a lock on the Vim data structures
+ */
+ static void
+Python_Release_Vim(void)
+{
+}
+
+/*
+ * The "todecref" argument holds a pointer to PyObject * that must be
+ * DECREF'ed after returned char_u * is no longer needed or NULL if all what
+ * was needed to generate returned value is object.
+ *
+ * Use Py_XDECREF to decrement reference count.
+ */
+ static char_u *
+StringToChars(PyObject *obj, PyObject **todecref)
+{
+ char_u *str;
+
+ if (PyBytes_Check(obj))
+ {
+
+ if (PyBytes_AsStringAndSize(obj, (char **) &str, NULL) == -1
+ || str == NULL)
+ return NULL;
+
+ *todecref = NULL;
+ }
+ else if (PyUnicode_Check(obj))
+ {
+ PyObject *bytes;
+
+ if (!(bytes = PyUnicode_AsEncodedString(obj, ENC_OPT, NULL)))
+ return NULL;
+
+ if(PyBytes_AsStringAndSize(bytes, (char **) &str, NULL) == -1
+ || str == NULL)
+ {
+ Py_DECREF(bytes);
+ return NULL;
+ }
+
+ *todecref = bytes;
+ }
+ else
+ {
+#if PY_MAJOR_VERSION < 3
+ PyErr_FORMAT(PyExc_TypeError,
+ N_("expected str() or unicode() instance, but got %s"),
+ Py_TYPE_NAME(obj));
+#else
+ PyErr_FORMAT(PyExc_TypeError,
+ N_("expected bytes() or str() instance, but got %s"),
+ Py_TYPE_NAME(obj));
+#endif
+ return NULL;
+ }
+
+ return (char_u *) str;
+}
+
+#define NUMBER_LONG 1
+#define NUMBER_INT 2
+#define NUMBER_NATURAL 4
+#define NUMBER_UNSIGNED 8
+
+ static int
+NumberToLong(PyObject *obj, long *result, int flags)
+{
+#if PY_MAJOR_VERSION < 3
+ if (PyInt_Check(obj))
+ {
+ *result = PyInt_AsLong(obj);
+ if (PyErr_Occurred())
+ return -1;
+ }
+ else
+#endif
+ if (PyLong_Check(obj))
+ {
+ *result = PyLong_AsLong(obj);
+ if (PyErr_Occurred())
+ return -1;
+ }
+ else if (PyNumber_Check(obj))
+ {
+ PyObject *num;
+
+ if (!(num = PyNumber_Long(obj)))
+ return -1;
+
+ *result = PyLong_AsLong(num);
+
+ Py_DECREF(num);
+
+ if (PyErr_Occurred())
+ return -1;
+ }
+ else
+ {
+#if PY_MAJOR_VERSION < 3
+ PyErr_FORMAT(PyExc_TypeError,
+ N_("expected int(), long() or something supporting "
+ "coercing to long(), but got %s"),
+ Py_TYPE_NAME(obj));
+#else
+ PyErr_FORMAT(PyExc_TypeError,
+ N_("expected int() or something supporting coercing to int(), "
+ "but got %s"),
+ Py_TYPE_NAME(obj));
+#endif
+ return -1;
+ }
+
+ if (flags & NUMBER_INT)
+ {
+ if (*result > INT_MAX)
+ {
+ PyErr_SET_STRING(PyExc_OverflowError,
+ N_("value is too large to fit into C int type"));
+ return -1;
+ }
+ else if (*result < INT_MIN)
+ {
+ PyErr_SET_STRING(PyExc_OverflowError,
+ N_("value is too small to fit into C int type"));
+ return -1;
+ }
+ }
+
+ if (flags & NUMBER_NATURAL)
+ {
+ if (*result <= 0)
+ {
+ PyErr_SET_STRING(PyExc_ValueError,
+ N_("number must be greater than zero"));
+ return -1;
+ }
+ }
+ else if (flags & NUMBER_UNSIGNED)
+ {
+ if (*result < 0)
+ {
+ PyErr_SET_STRING(PyExc_ValueError,
+ N_("number must be greater or equal to zero"));
+ return -1;
+ }
+ }
+
+ return 0;
+}
+
+ static int
+add_string(PyObject *list, char *s)
+{
+ PyObject *string;
+
+ if (!(string = PyString_FromString(s)))
+ return -1;
+
+ if (PyList_Append(list, string))
+ {
+ Py_DECREF(string);
+ return -1;
+ }
+
+ Py_DECREF(string);
+ return 0;
+}
+
+ static PyObject *
+ObjectDir(PyObject *self, char **attributes)
+{
+ PyMethodDef *method;
+ char **attr;
+ PyObject *ret;
+
+ if (!(ret = PyList_New(0)))
+ return NULL;
+
+ if (self)
+ for (method = self->ob_type->tp_methods ; method->ml_name != NULL ; ++method)
+ if (add_string(ret, (char *)method->ml_name))
+ {
+ Py_DECREF(ret);
+ return NULL;
+ }
+
+ for (attr = attributes ; *attr ; ++attr)
+ if (add_string(ret, *attr))
+ {
+ Py_DECREF(ret);
+ return NULL;
+ }
+
+#if PY_MAJOR_VERSION < 3
+ if (add_string(ret, "__members__"))
+ {
+ Py_DECREF(ret);
+ return NULL;
+ }
+#endif
+
+ return ret;
+}
+
+/* Output buffer management
+ */
+
+/* Function to write a line, points to either msg() or emsg(). */
+typedef void (*writefn)(char_u *);
+
+static PyTypeObject OutputType;
+
+typedef struct
+{
+ PyObject_HEAD
+ long softspace;
+ long error;
+} OutputObject;
+
+static char *OutputAttrs[] = {
+ "softspace",
+ NULL
+};
+
+ static PyObject *
+OutputDir(PyObject *self)
+{
+ return ObjectDir(self, OutputAttrs);
+}
+
+ static int
+OutputSetattr(OutputObject *self, char *name, PyObject *valObject)
+{
+ if (valObject == NULL)
+ {
+ PyErr_SET_STRING(PyExc_AttributeError,
+ N_("can't delete OutputObject attributes"));
+ return -1;
+ }
+
+ if (strcmp(name, "softspace") == 0)
+ {
+ if (NumberToLong(valObject, &(self->softspace), NUMBER_UNSIGNED))
+ return -1;
+ return 0;
+ }
+
+ PyErr_FORMAT(PyExc_AttributeError, N_("invalid attribute: %s"), name);
+ return -1;
+}
+
+/* Buffer IO, we write one whole line at a time. */
+static garray_T io_ga = {0, 0, 1, 80, NULL};
+static writefn old_fn = NULL;
+
+ static void
+PythonIO_Flush(void)
+{
+ if (old_fn != NULL && io_ga.ga_len > 0)
+ {
+ ((char_u *)io_ga.ga_data)[io_ga.ga_len] = NUL;
+ old_fn((char_u *)io_ga.ga_data);
+ }
+ io_ga.ga_len = 0;
+}
+
+ static void
+writer(writefn fn, char_u *str, PyInt n)
+{
+ char_u *ptr;
+
+ /* Flush when switching output function. */
+ if (fn != old_fn)
+ PythonIO_Flush();
+ old_fn = fn;
+
+ /* Write each NL separated line. Text after the last NL is kept for
+ * writing later. */
+ while (n > 0 && (ptr = memchr(str, '\n', n)) != NULL)
+ {
+ PyInt len = ptr - str;
+
+ if (ga_grow(&io_ga, (int)(len + 1)) == FAIL)
+ break;
+
+ mch_memmove(((char *)io_ga.ga_data) + io_ga.ga_len, str, (size_t)len);
+ ((char *)io_ga.ga_data)[io_ga.ga_len + len] = NUL;
+ fn((char_u *)io_ga.ga_data);
+ str = ptr + 1;
+ n -= len + 1;
+ io_ga.ga_len = 0;
+ }
+
+ /* Put the remaining text into io_ga for later printing. */
+ if (n > 0 && ga_grow(&io_ga, (int)(n + 1)) == OK)
+ {
+ mch_memmove(((char *)io_ga.ga_data) + io_ga.ga_len, str, (size_t)n);
+ io_ga.ga_len += (int)n;
+ }
+}
+
+ static int
+write_output(OutputObject *self, PyObject *string)
+{
+ Py_ssize_t len = 0;
+ char *str = NULL;
+ int error = self->error;
+
+ if (!PyArg_Parse(string, "et#", ENC_OPT, &str, &len))
+ return -1;
+
+ Py_BEGIN_ALLOW_THREADS
+ Python_Lock_Vim();
+ writer((writefn)(error ? emsg : msg), (char_u *)str, len);
+ Python_Release_Vim();
+ Py_END_ALLOW_THREADS
+ PyMem_Free(str);
+
+ return 0;
+}
+
+ static PyObject *
+OutputWrite(OutputObject *self, PyObject *string)
+{
+ if (write_output(self, string))
+ return NULL;
+
+ Py_INCREF(Py_None);
+ return Py_None;
+}
+
+ static PyObject *
+OutputWritelines(OutputObject *self, PyObject *seq)
+{
+ PyObject *iterator;
+ PyObject *item;
+
+ if (!(iterator = PyObject_GetIter(seq)))
+ return NULL;
+
+ while ((item = PyIter_Next(iterator)))
+ {
+ if (write_output(self, item))
+ {
+ Py_DECREF(iterator);
+ Py_DECREF(item);
+ return NULL;
+ }
+ Py_DECREF(item);
+ }
+
+ Py_DECREF(iterator);
+
+ /* Iterator may have finished due to an exception */
+ if (PyErr_Occurred())
+ return NULL;
+
+ Py_INCREF(Py_None);
+ return Py_None;
+}
+
+ static PyObject *
+AlwaysNone(PyObject *self UNUSED)
+{
+ /* do nothing */
+ Py_INCREF(Py_None);
+ return Py_None;
+}
+
+ static PyObject *
+AlwaysFalse(PyObject *self UNUSED)
+{
+ /* do nothing */
+ PyObject *ret = Py_False;
+ Py_INCREF(ret);
+ return ret;
+}
+
+ static PyObject *
+AlwaysTrue(PyObject *self UNUSED)
+{
+ /* do nothing */
+ PyObject *ret = Py_True;
+ Py_INCREF(ret);
+ return ret;
+}
+
+/***************/
+
+static struct PyMethodDef OutputMethods[] = {
+ /* name, function, calling, doc */
+ {"write", (PyCFunction)OutputWrite, METH_O, ""},
+ {"writelines", (PyCFunction)OutputWritelines, METH_O, ""},
+ {"flush", (PyCFunction)AlwaysNone, METH_NOARGS, ""},
+ {"close", (PyCFunction)AlwaysNone, METH_NOARGS, ""},
+ {"isatty", (PyCFunction)AlwaysFalse, METH_NOARGS, ""},
+ {"readable", (PyCFunction)AlwaysFalse, METH_NOARGS, ""},
+ {"seekable", (PyCFunction)AlwaysFalse, METH_NOARGS, ""},
+ {"writable", (PyCFunction)AlwaysTrue, METH_NOARGS, ""},
+ {"closed", (PyCFunction)AlwaysFalse, METH_NOARGS, ""},
+ {"__dir__", (PyCFunction)OutputDir, METH_NOARGS, ""},
+ { NULL, NULL, 0, NULL}
+};
+
+static OutputObject Output =
+{
+ PyObject_HEAD_INIT(&OutputType)
+ 0,
+ 0
+};
+
+static OutputObject Error =
+{
+ PyObject_HEAD_INIT(&OutputType)
+ 0,
+ 1
+};
+
+ static int
+PythonIO_Init_io(void)
+{
+ if (PySys_SetObject("stdout", (PyObject *)(void *)&Output))
+ return -1;
+ if (PySys_SetObject("stderr", (PyObject *)(void *)&Error))
+ return -1;
+
+ if (PyErr_Occurred())
+ {
+ emsg(_("E264: Python: Error initialising I/O objects"));
+ return -1;
+ }
+
+ return 0;
+}
+
+#if PY_VERSION_HEX < 0x030700f0
+static PyObject *call_load_module(char *name, int len, PyObject *find_module_result);
+
+typedef struct
+{
+ PyObject_HEAD
+ char *fullname;
+ PyObject *result;
+} LoaderObject;
+static PyTypeObject LoaderType;
+
+ static void
+LoaderDestructor(LoaderObject *self)
+{
+ vim_free(self->fullname);
+ Py_XDECREF(self->result);
+ DESTRUCTOR_FINISH(self);
+}
+
+ static PyObject *
+LoaderLoadModule(LoaderObject *self, PyObject *args UNUSED)
+{
+ char *fullname = self->fullname;
+ PyObject *result = self->result;
+ PyObject *module;
+
+ if (!fullname)
+ {
+ module = result ? result : Py_None;
+ Py_INCREF(module);
+ return module;
+ }
+
+ module = call_load_module(fullname, (int)STRLEN(fullname), result);
+
+ self->fullname = NULL;
+ self->result = module;
+
+ vim_free(fullname);
+ Py_DECREF(result);
+
+ if (!module)
+ {
+ if (PyErr_Occurred())
+ return NULL;
+
+ Py_INCREF(Py_None);
+ return Py_None;
+ }
+
+ Py_INCREF(module);
+ return module;
+}
+
+static struct PyMethodDef LoaderMethods[] = {
+ /* name, function, calling, doc */
+ {"load_module", (PyCFunction)LoaderLoadModule, METH_VARARGS, ""},
+ { NULL, NULL, 0, NULL}
+};
+#endif
+
+/* Check to see whether a Vim error has been reported, or a keyboard
+ * interrupt has been detected.
+ */
+
+ static void
+VimTryStart(void)
+{
+ ++trylevel;
+}
+
+ static int
+VimTryEnd(void)
+{
+ --trylevel;
+ /* Without this it stops processing all subsequent Vim script commands and
+ * generates strange error messages if I e.g. try calling Test() in a cycle
+ */
+ did_emsg = FALSE;
+ /* Keyboard interrupt should be preferred over anything else */
+ if (got_int)
+ {
+ if (did_throw)
+ discard_current_exception();
+ got_int = FALSE;
+ PyErr_SetNone(PyExc_KeyboardInterrupt);
+ return -1;
+ }
+ else if (msg_list != NULL && *msg_list != NULL)
+ {
+ int should_free;
+ char *msg;
+
+ msg = get_exception_string(*msg_list, ET_ERROR, NULL, &should_free);
+
+ if (msg == NULL)
+ {
+ PyErr_NoMemory();
+ return -1;
+ }
+
+ PyErr_SetVim(msg);
+
+ free_global_msglist();
+
+ if (should_free)
+ vim_free(msg);
+
+ return -1;
+ }
+ else if (!did_throw)
+ return (PyErr_Occurred() ? -1 : 0);
+ /* Python exception is preferred over vim one; unlikely to occur though */
+ else if (PyErr_Occurred())
+ {
+ discard_current_exception();
+ return -1;
+ }
+ /* Finally transform Vim script exception to python one */
+ else
+ {
+ PyErr_SetVim((char *)current_exception->value);
+ discard_current_exception();
+ return -1;
+ }
+}
+
+ static int
+VimCheckInterrupt(void)
+{
+ if (got_int)
+ {
+ PyErr_SetNone(PyExc_KeyboardInterrupt);
+ return 1;
+ }
+ return 0;
+}
+
+/* Vim module - Implementation
+ */
+
+ static PyObject *
+VimCommand(PyObject *self UNUSED, PyObject *string)
+{
+ char_u *cmd;
+ PyObject *ret;
+ PyObject *todecref;
+
+ if (!(cmd = StringToChars(string, &todecref)))
+ return NULL;
+
+ Py_BEGIN_ALLOW_THREADS
+ Python_Lock_Vim();
+
+ VimTryStart();
+ do_cmdline_cmd(cmd);
+ update_screen(VALID);
+
+ Python_Release_Vim();
+ Py_END_ALLOW_THREADS
+
+ if (VimTryEnd())
+ ret = NULL;
+ else
+ ret = Py_None;
+
+ Py_XINCREF(ret);
+ Py_XDECREF(todecref);
+ return ret;
+}
+
+/*
+ * Function to translate a typval_T into a PyObject; this will recursively
+ * translate lists/dictionaries into their Python equivalents.
+ *
+ * The depth parameter is to avoid infinite recursion, set it to 1 when
+ * you call VimToPython.
+ */
+ static PyObject *
+VimToPython(typval_T *our_tv, int depth, PyObject *lookup_dict)
+{
+ PyObject *ret;
+ PyObject *newObj;
+ char ptrBuf[sizeof(void *) * 2 + 3];
+
+ /* Avoid infinite recursion */
+ if (depth > 100)
+ {
+ Py_INCREF(Py_None);
+ ret = Py_None;
+ return ret;
+ }
+
+ /* Check if we run into a recursive loop. The item must be in lookup_dict
+ * then and we can use it again. */
+ if ((our_tv->v_type == VAR_LIST && our_tv->vval.v_list != NULL)
+ || (our_tv->v_type == VAR_DICT && our_tv->vval.v_dict != NULL))
+ {
+ sprintf(ptrBuf, "%p",
+ our_tv->v_type == VAR_LIST ? (void *)our_tv->vval.v_list
+ : (void *)our_tv->vval.v_dict);
+
+ if ((ret = PyDict_GetItemString(lookup_dict, ptrBuf)))
+ {
+ Py_INCREF(ret);
+ return ret;
+ }
+ }
+
+ if (our_tv->v_type == VAR_STRING)
+ ret = PyString_FromString(our_tv->vval.v_string == NULL
+ ? "" : (char *)our_tv->vval.v_string);
+ else if (our_tv->v_type == VAR_NUMBER)
+ {
+ char buf[NUMBUFLEN];
+
+ /* For backwards compatibility numbers are stored as strings. */
+ sprintf(buf, "%ld", (long)our_tv->vval.v_number);
+ ret = PyString_FromString((char *)buf);
+ }
+# ifdef FEAT_FLOAT
+ else if (our_tv->v_type == VAR_FLOAT)
+ {
+ char buf[NUMBUFLEN];
+
+ sprintf(buf, "%f", our_tv->vval.v_float);
+ ret = PyString_FromString((char *)buf);
+ }
+# endif
+ else if (our_tv->v_type == VAR_LIST)
+ {
+ list_T *list = our_tv->vval.v_list;
+ listitem_T *curr;
+
+ if (list == NULL)
+ return NULL;
+
+ if (!(ret = PyList_New(0)))
+ return NULL;
+
+ if (PyDict_SetItemString(lookup_dict, ptrBuf, ret))
+ {
+ Py_DECREF(ret);
+ return NULL;
+ }
+
+ for (curr = list->lv_first; curr != NULL; curr = curr->li_next)
+ {
+ if (!(newObj = VimToPython(&curr->li_tv, depth + 1, lookup_dict)))
+ {
+ Py_DECREF(ret);
+ return NULL;
+ }
+ if (PyList_Append(ret, newObj))
+ {
+ Py_DECREF(newObj);
+ Py_DECREF(ret);
+ return NULL;
+ }
+ Py_DECREF(newObj);
+ }
+ }
+ else if (our_tv->v_type == VAR_DICT)
+ {
+
+ hashtab_T *ht;
+ long_u todo;
+ hashitem_T *hi;
+ dictitem_T *di;
+
+ if (our_tv->vval.v_dict == NULL)
+ return NULL;
+ ht = &our_tv->vval.v_dict->dv_hashtab;
+
+ if (!(ret = PyDict_New()))
+ return NULL;
+
+ if (PyDict_SetItemString(lookup_dict, ptrBuf, ret))
+ {
+ Py_DECREF(ret);
+ return NULL;
+ }
+
+ todo = ht->ht_used;
+ for (hi = ht->ht_array; todo > 0; ++hi)
+ {
+ if (!HASHITEM_EMPTY(hi))
+ {
+ --todo;
+
+ di = dict_lookup(hi);
+ if (!(newObj = VimToPython(&di->di_tv, depth + 1, lookup_dict)))
+ {
+ Py_DECREF(ret);
+ return NULL;
+ }
+ if (PyDict_SetItemString(ret, (char *)hi->hi_key, newObj))
+ {
+ Py_DECREF(ret);
+ Py_DECREF(newObj);
+ return NULL;
+ }
+ }
+ }
+ }
+ else if (our_tv->v_type == VAR_SPECIAL)
+ {
+ if (our_tv->vval.v_number == VVAL_FALSE)
+ {
+ ret = Py_False;
+ Py_INCREF(ret);
+ }
+ else if (our_tv->vval.v_number == VVAL_TRUE)
+ {
+ ret = Py_True;
+ Py_INCREF(ret);
+ }
+ else
+ {
+ Py_INCREF(Py_None);
+ ret = Py_None;
+ }
+ return ret;
+ }
+ else if (our_tv->v_type == VAR_BLOB)
+ ret = PyBytes_FromStringAndSize(
+ (char*) our_tv->vval.v_blob->bv_ga.ga_data,
+ (Py_ssize_t) our_tv->vval.v_blob->bv_ga.ga_len);
+ else
+ {
+ Py_INCREF(Py_None);
+ ret = Py_None;
+ }
+
+ return ret;
+}
+
+ static PyObject *
+VimEval(PyObject *self UNUSED, PyObject *args)
+{
+ char_u *expr;
+ typval_T *our_tv;
+ PyObject *string;
+ PyObject *todecref;
+ PyObject *ret;
+ PyObject *lookup_dict;
+
+ if (!PyArg_ParseTuple(args, "O", &string))
+ return NULL;
+
+ if (!(expr = StringToChars(string, &todecref)))
+ return NULL;
+
+ Py_BEGIN_ALLOW_THREADS
+ Python_Lock_Vim();
+ VimTryStart();
+ our_tv = eval_expr(expr, NULL);
+ Python_Release_Vim();
+ Py_END_ALLOW_THREADS
+
+ Py_XDECREF(todecref);
+
+ if (VimTryEnd())
+ return NULL;
+
+ if (our_tv == NULL)
+ {
+ PyErr_SET_VIM(N_("invalid expression"));
+ return NULL;
+ }
+
+ /* Convert the Vim type into a Python type. Create a dictionary that's
+ * used to check for recursive loops. */
+ if (!(lookup_dict = PyDict_New()))
+ ret = NULL;
+ else
+ {
+ ret = VimToPython(our_tv, 1, lookup_dict);
+ Py_DECREF(lookup_dict);
+ }
+
+
+ Py_BEGIN_ALLOW_THREADS
+ Python_Lock_Vim();
+ free_tv(our_tv);
+ Python_Release_Vim();
+ Py_END_ALLOW_THREADS
+
+ return ret;
+}
+
+static PyObject *ConvertToPyObject(typval_T *);
+
+ static PyObject *
+VimEvalPy(PyObject *self UNUSED, PyObject *string)
+{
+ typval_T *our_tv;
+ PyObject *ret;
+ char_u *expr;
+ PyObject *todecref;
+
+ if (!(expr = StringToChars(string, &todecref)))
+ return NULL;
+
+ Py_BEGIN_ALLOW_THREADS
+ Python_Lock_Vim();
+ VimTryStart();
+ our_tv = eval_expr(expr, NULL);
+ Python_Release_Vim();
+ Py_END_ALLOW_THREADS
+
+ Py_XDECREF(todecref);
+
+ if (VimTryEnd())
+ return NULL;
+
+ if (our_tv == NULL)
+ {
+ PyErr_SET_VIM(N_("invalid expression"));
+ return NULL;
+ }
+
+ ret = ConvertToPyObject(our_tv);
+ Py_BEGIN_ALLOW_THREADS
+ Python_Lock_Vim();
+ free_tv(our_tv);
+ Python_Release_Vim();
+ Py_END_ALLOW_THREADS
+
+ return ret;
+}
+
+ static PyObject *
+VimStrwidth(PyObject *self UNUSED, PyObject *string)
+{
+ char_u *str;
+ PyObject *todecref;
+ int len;
+
+ if (!(str = StringToChars(string, &todecref)))
+ return NULL;
+
+ len = mb_string2cells(str, (int)STRLEN(str));
+
+ Py_XDECREF(todecref);
+
+ return PyLong_FromLong(len);
+}
+
+ static PyObject *
+_VimChdir(PyObject *_chdir, PyObject *args, PyObject *kwargs)
+{
+ PyObject *ret;
+ PyObject *newwd;
+ PyObject *todecref;
+ char_u *new_dir;
+
+ if (_chdir == NULL)
+ return NULL;
+ if (!(ret = PyObject_Call(_chdir, args, kwargs)))
+ return NULL;
+
+ if (!(newwd = PyObject_CallFunctionObjArgs(py_getcwd, NULL)))
+ {
+ Py_DECREF(ret);
+ return NULL;
+ }
+
+ if (!(new_dir = StringToChars(newwd, &todecref)))
+ {
+ Py_DECREF(ret);
+ Py_DECREF(newwd);
+ return NULL;
+ }
+
+ VimTryStart();
+
+ if (vim_chdir(new_dir))
+ {
+ Py_DECREF(ret);
+ Py_DECREF(newwd);
+ Py_XDECREF(todecref);
+
+ if (VimTryEnd())
+ return NULL;
+
+ PyErr_SET_VIM(N_("failed to change directory"));
+ return NULL;
+ }
+
+ Py_DECREF(newwd);
+ Py_XDECREF(todecref);
+
+ post_chdir(FALSE);
+
+ if (VimTryEnd())
+ {
+ Py_DECREF(ret);
+ return NULL;
+ }
+
+ return ret;
+}
+
+ static PyObject *
+VimChdir(PyObject *self UNUSED, PyObject *args, PyObject *kwargs)
+{
+ return _VimChdir(py_chdir, args, kwargs);
+}
+
+ static PyObject *
+VimFchdir(PyObject *self UNUSED, PyObject *args, PyObject *kwargs)
+{
+ return _VimChdir(py_fchdir, args, kwargs);
+}
+
+typedef struct {
+ PyObject *callable;
+ PyObject *result;
+} map_rtp_data;
+
+ static void
+map_rtp_callback(char_u *path, void *_data)
+{
+ void **data = (void **) _data;
+ PyObject *pathObject;
+ map_rtp_data *mr_data = *((map_rtp_data **) data);
+
+ if (!(pathObject = PyString_FromString((char *)path)))
+ {
+ *data = NULL;
+ return;
+ }
+
+ mr_data->result = PyObject_CallFunctionObjArgs(mr_data->callable,
+ pathObject, NULL);
+
+ Py_DECREF(pathObject);
+
+ if (!mr_data->result || mr_data->result != Py_None)
+ *data = NULL;
+ else
+ {
+ Py_DECREF(mr_data->result);
+ mr_data->result = NULL;
+ }
+}
+
+ static PyObject *
+VimForeachRTP(PyObject *self UNUSED, PyObject *callable)
+{
+ map_rtp_data data;
+
+ data.callable = callable;
+ data.result = NULL;
+
+ do_in_runtimepath(NULL, 0, &map_rtp_callback, &data);
+
+ if (data.result == NULL)
+ {
+ if (PyErr_Occurred())
+ return NULL;
+ else
+ {
+ Py_INCREF(Py_None);
+ return Py_None;
+ }
+ }
+ return data.result;
+}
+
+/*
+ * _vim_runtimepath_ special path implementation.
+ */
+
+ static void
+map_finder_callback(char_u *path, void *_data)
+{
+ void **data = (void **) _data;
+ PyObject *list = *((PyObject **) data);
+ PyObject *pathObject1, *pathObject2;
+ char *pathbuf;
+ size_t pathlen;
+
+ pathlen = STRLEN(path);
+
+#if PY_MAJOR_VERSION < 3
+# define PY_MAIN_DIR_STRING "python2"
+#else
+# define PY_MAIN_DIR_STRING "python3"
+#endif
+#define PY_ALTERNATE_DIR_STRING "pythonx"
+
+#define PYTHONX_STRING_LENGTH 7 /* STRLEN("pythonx") */
+ if (!(pathbuf = PyMem_New(char,
+ pathlen + STRLEN(PATHSEPSTR) + PYTHONX_STRING_LENGTH + 1)))
+ {
+ PyErr_NoMemory();
+ *data = NULL;
+ return;
+ }
+
+ mch_memmove(pathbuf, path, pathlen + 1);
+ add_pathsep((char_u *) pathbuf);
+
+ pathlen = STRLEN(pathbuf);
+ mch_memmove(pathbuf + pathlen, PY_MAIN_DIR_STRING,
+ PYTHONX_STRING_LENGTH + 1);
+
+ if (!(pathObject1 = PyString_FromString(pathbuf)))
+ {
+ *data = NULL;
+ PyMem_Free(pathbuf);
+ return;
+ }
+
+ mch_memmove(pathbuf + pathlen, PY_ALTERNATE_DIR_STRING,
+ PYTHONX_STRING_LENGTH + 1);
+
+ if (!(pathObject2 = PyString_FromString(pathbuf)))
+ {
+ Py_DECREF(pathObject1);
+ PyMem_Free(pathbuf);
+ *data = NULL;
+ return;
+ }
+
+ PyMem_Free(pathbuf);
+
+ if (PyList_Append(list, pathObject1)
+ || PyList_Append(list, pathObject2))
+ *data = NULL;
+
+ Py_DECREF(pathObject1);
+ Py_DECREF(pathObject2);
+}
+
+ static PyObject *
+Vim_GetPaths(PyObject *self UNUSED)
+{
+ PyObject *ret;
+
+ if (!(ret = PyList_New(0)))
+ return NULL;
+
+ do_in_runtimepath(NULL, 0, &map_finder_callback, ret);
+
+ if (PyErr_Occurred())
+ {
+ Py_DECREF(ret);
+ return NULL;
+ }
+
+ return ret;
+}
+
+#if PY_VERSION_HEX >= 0x030700f0
+ static PyObject *
+FinderFindSpec(PyObject *self, PyObject *args)
+{
+ char *fullname;
+ PyObject *paths;
+ PyObject *target = Py_None;
+ PyObject *spec;
+
+ if (!PyArg_ParseTuple(args, "s|O", &fullname, &target))
+ return NULL;
+
+ if (!(paths = Vim_GetPaths(self)))
+ return NULL;
+
+ spec = PyObject_CallFunction(py_find_spec, "sNN", fullname, paths, target);
+
+ Py_DECREF(paths);
+
+ if (!spec)
+ {
+ if (PyErr_Occurred())
+ return NULL;
+
+ Py_INCREF(Py_None);
+ return Py_None;
+ }
+
+ return spec;
+}
+#else
+ static PyObject *
+call_load_module(char *name, int len, PyObject *find_module_result)
+{
+ PyObject *fd, *pathname, *description;
+
+ if (!PyTuple_Check(find_module_result))
+ {
+ PyErr_FORMAT(PyExc_TypeError,
+ N_("expected 3-tuple as imp.find_module() result, but got %s"),
+ Py_TYPE_NAME(find_module_result));
+ return NULL;
+ }
+ if (PyTuple_GET_SIZE(find_module_result) != 3)
+ {
+ PyErr_FORMAT(PyExc_TypeError,
+ N_("expected 3-tuple as imp.find_module() result, but got "
+ "tuple of size %d"),
+ (int) PyTuple_GET_SIZE(find_module_result));
+ return NULL;
+ }
+
+ if (!(fd = PyTuple_GET_ITEM(find_module_result, 0))
+ || !(pathname = PyTuple_GET_ITEM(find_module_result, 1))
+ || !(description = PyTuple_GET_ITEM(find_module_result, 2)))
+ {
+ PyErr_SET_STRING(PyExc_RuntimeError,
+ N_("internal error: imp.find_module returned tuple with NULL"));
+ return NULL;
+ }
+
+ return PyObject_CallFunction(py_load_module,
+ "s#OOO", name, len, fd, pathname, description);
+}
+
+ static PyObject *
+find_module(char *fullname, char *tail, PyObject *new_path)
+{
+ PyObject *find_module_result;
+ PyObject *module;
+ char *dot;
+
+ if ((dot = (char *)vim_strchr((char_u *) tail, '.')))
+ {
+ /*
+ * There is a dot in the name: call find_module recursively without the
+ * first component
+ */
+ PyObject *newest_path;
+ int partlen = (int) (dot - 1 - tail);
+
+ if (!(find_module_result = PyObject_CallFunction(py_find_module,
+ "s#O", tail, partlen, new_path)))
+ {
+ if (PyErr_Occurred() && PyErr_ExceptionMatches(PyExc_ImportError))
+ PyErr_Clear();
+ return NULL;
+ }
+
+ if (!(module = call_load_module(
+ fullname,
+ ((int) (tail - fullname)) + partlen,
+ find_module_result)))
+ {
+ Py_DECREF(find_module_result);
+ return NULL;
+ }
+
+ Py_DECREF(find_module_result);
+
+ if (!(newest_path = PyObject_GetAttrString(module, "__path__")))
+ {
+ Py_DECREF(module);
+ return NULL;
+ }
+
+ Py_DECREF(module);
+
+ find_module_result = find_module(fullname, dot + 1, newest_path);
+
+ Py_DECREF(newest_path);
+
+ return find_module_result;
+ }
+ else
+ {
+ if (!(find_module_result = PyObject_CallFunction(py_find_module,
+ "sO", tail, new_path)))
+ {
+ if (PyErr_Occurred() && PyErr_ExceptionMatches(PyExc_ImportError))
+ PyErr_Clear();
+ return NULL;
+ }
+
+ return find_module_result;
+ }
+}
+
+ static PyObject *
+FinderFindModule(PyObject *self, PyObject *args)
+{
+ char *fullname;
+ PyObject *result;
+ PyObject *new_path;
+ LoaderObject *loader;
+
+ if (!PyArg_ParseTuple(args, "s", &fullname))
+ return NULL;
+
+ if (!(new_path = Vim_GetPaths(self)))
+ return NULL;
+
+ result = find_module(fullname, fullname, new_path);
+
+ Py_DECREF(new_path);
+
+ if (!result)
+ {
+ if (PyErr_Occurred())
+ return NULL;
+
+ Py_INCREF(Py_None);
+ return Py_None;
+ }
+
+ if (!(fullname = (char *)vim_strsave((char_u *)fullname)))
+ {
+ Py_DECREF(result);
+ PyErr_NoMemory();
+ return NULL;
+ }
+
+ if (!(loader = PyObject_NEW(LoaderObject, &LoaderType)))
+ {
+ vim_free(fullname);
+ Py_DECREF(result);
+ return NULL;
+ }
+
+ loader->fullname = fullname;
+ loader->result = result;
+
+ return (PyObject *) loader;
+}
+#endif
+
+ static PyObject *
+VimPathHook(PyObject *self UNUSED, PyObject *args)
+{
+ char *path;
+
+ if (PyArg_ParseTuple(args, "s", &path)
+ && STRCMP(path, vim_special_path) == 0)
+ {
+ Py_INCREF(vim_module);
+ return vim_module;
+ }
+
+ PyErr_Clear();
+ PyErr_SetNone(PyExc_ImportError);
+ return NULL;
+}
+
+/*
+ * Vim module - Definitions
+ */
+
+static struct PyMethodDef VimMethods[] = {
+ /* name, function, calling, documentation */
+ {"command", VimCommand, METH_O, "Execute a Vim ex-mode command" },
+ {"eval", VimEval, METH_VARARGS, "Evaluate an expression using Vim evaluator" },
+ {"bindeval", VimEvalPy, METH_O, "Like eval(), but returns objects attached to vim ones"},
+ {"strwidth", VimStrwidth, METH_O, "Screen string width, counts <Tab> as having width 1"},
+ {"chdir", (PyCFunction)VimChdir, METH_VARARGS|METH_KEYWORDS, "Change directory"},
+ {"fchdir", (PyCFunction)VimFchdir, METH_VARARGS|METH_KEYWORDS, "Change directory"},
+ {"foreach_rtp", VimForeachRTP, METH_O, "Call given callable for each path in &rtp"},
+#if PY_VERSION_HEX >= 0x030700f0
+ {"find_spec", FinderFindSpec, METH_VARARGS, "Internal use only, returns spec object for any input it receives"},
+#else
+ {"find_module", FinderFindModule, METH_VARARGS, "Internal use only, returns loader object for any input it receives"},
+#endif
+ {"path_hook", VimPathHook, METH_VARARGS, "Hook function to install in sys.path_hooks"},
+ {"_get_paths", (PyCFunction)Vim_GetPaths, METH_NOARGS, "Get &rtp-based additions to sys.path"},
+ { NULL, NULL, 0, NULL}
+};
+
+/*
+ * Generic iterator object
+ */
+
+static PyTypeObject IterType;
+
+typedef PyObject *(*nextfun)(void **);
+typedef void (*destructorfun)(void *);
+typedef int (*traversefun)(void *, visitproc, void *);
+typedef int (*clearfun)(void **);
+
+/* Main purpose of this object is removing the need for do python
+ * initialization (i.e. PyType_Ready and setting type attributes) for a big
+ * bunch of objects. */
+
+typedef struct
+{
+ PyObject_HEAD
+ void *cur;
+ nextfun next;
+ destructorfun destruct;
+ traversefun traverse;
+ clearfun clear;
+} IterObject;
+
+ static PyObject *
+IterNew(void *start, destructorfun destruct, nextfun next, traversefun traverse,
+ clearfun clear)
+{
+ IterObject *self;
+
+ self = PyObject_GC_New(IterObject, &IterType);
+ self->cur = start;
+ self->next = next;
+ self->destruct = destruct;
+ self->traverse = traverse;
+ self->clear = clear;
+
+ return (PyObject *)(self);
+}
+
+ static void
+IterDestructor(IterObject *self)
+{
+ PyObject_GC_UnTrack((void *)(self));
+ self->destruct(self->cur);
+ PyObject_GC_Del((void *)(self));
+}
+
+ static int
+IterTraverse(IterObject *self, visitproc visit, void *arg)
+{
+ if (self->traverse != NULL)
+ return self->traverse(self->cur, visit, arg);
+ else
+ return 0;
+}
+
+/* Mac OSX defines clear() somewhere. */
+#ifdef clear
+# undef clear
+#endif
+
+ static int
+IterClear(IterObject *self)
+{
+ if (self->clear != NULL)
+ return self->clear(&self->cur);
+ else
+ return 0;
+}
+
+ static PyObject *
+IterNext(IterObject *self)
+{
+ return self->next(&self->cur);
+}
+
+ static PyObject *
+IterIter(PyObject *self)
+{
+ Py_INCREF(self);
+ return self;
+}
+
+typedef struct pylinkedlist_S {
+ struct pylinkedlist_S *pll_next;
+ struct pylinkedlist_S *pll_prev;
+ PyObject *pll_obj;
+} pylinkedlist_T;
+
+static pylinkedlist_T *lastdict = NULL;
+static pylinkedlist_T *lastlist = NULL;
+static pylinkedlist_T *lastfunc = NULL;
+
+ static void
+pyll_remove(pylinkedlist_T *ref, pylinkedlist_T **last)
+{
+ if (ref->pll_prev == NULL)
+ {
+ if (ref->pll_next == NULL)
+ {
+ *last = NULL;
+ return;
+ }
+ }
+ else
+ ref->pll_prev->pll_next = ref->pll_next;
+
+ if (ref->pll_next == NULL)
+ *last = ref->pll_prev;
+ else
+ ref->pll_next->pll_prev = ref->pll_prev;
+}
+
+ static void
+pyll_add(PyObject *self, pylinkedlist_T *ref, pylinkedlist_T **last)
+{
+ if (*last == NULL)
+ ref->pll_prev = NULL;
+ else
+ {
+ (*last)->pll_next = ref;
+ ref->pll_prev = *last;
+ }
+ ref->pll_next = NULL;
+ ref->pll_obj = self;
+ *last = ref;
+}
+
+static PyTypeObject DictionaryType;
+
+typedef struct
+{
+ PyObject_HEAD
+ dict_T *dict;
+ pylinkedlist_T ref;
+} DictionaryObject;
+
+static PyObject *DictionaryUpdate(DictionaryObject *, PyObject *, PyObject *);
+
+#define NEW_DICTIONARY(dict) DictionaryNew(&DictionaryType, dict)
+
+ static PyObject *
+DictionaryNew(PyTypeObject *subtype, dict_T *dict)
+{
+ DictionaryObject *self;
+
+ self = (DictionaryObject *) subtype->tp_alloc(subtype, 0);
+ if (self == NULL)
+ return NULL;
+ self->dict = dict;
+ ++dict->dv_refcount;
+
+ pyll_add((PyObject *)(self), &self->ref, &lastdict);
+
+ return (PyObject *)(self);
+}
+
+ static dict_T *
+py_dict_alloc(void)
+{
+ dict_T *ret;
+
+ if (!(ret = dict_alloc()))
+ {
+ PyErr_NoMemory();
+ return NULL;
+ }
+ ++ret->dv_refcount;
+
+ return ret;
+}
+
+ static PyObject *
+DictionaryConstructor(PyTypeObject *subtype, PyObject *args, PyObject *kwargs)
+{
+ DictionaryObject *self;
+ dict_T *dict;
+
+ if (!(dict = py_dict_alloc()))
+ return NULL;
+
+ self = (DictionaryObject *) DictionaryNew(subtype, dict);
+
+ --dict->dv_refcount;
+
+ if (kwargs || PyTuple_Size(args))
+ {
+ PyObject *tmp;
+ if (!(tmp = DictionaryUpdate(self, args, kwargs)))
+ {
+ Py_DECREF(self);
+ return NULL;
+ }
+
+ Py_DECREF(tmp);
+ }
+
+ return (PyObject *)(self);
+}
+
+ static void
+DictionaryDestructor(DictionaryObject *self)
+{
+ pyll_remove(&self->ref, &lastdict);
+ dict_unref(self->dict);
+
+ DESTRUCTOR_FINISH(self);
+}
+
+static char *DictionaryAttrs[] = {
+ "locked", "scope",
+ NULL
+};
+
+ static PyObject *
+DictionaryDir(PyObject *self)
+{
+ return ObjectDir(self, DictionaryAttrs);
+}
+
+ static int
+DictionarySetattr(DictionaryObject *self, char *name, PyObject *valObject)
+{
+ if (valObject == NULL)
+ {
+ PyErr_SET_STRING(PyExc_AttributeError,
+ N_("cannot delete vim.Dictionary attributes"));
+ return -1;
+ }
+
+ if (strcmp(name, "locked") == 0)
+ {
+ if (self->dict->dv_lock == VAR_FIXED)
+ {
+ PyErr_SET_STRING(PyExc_TypeError,
+ N_("cannot modify fixed dictionary"));
+ return -1;
+ }
+ else
+ {
+ int istrue = PyObject_IsTrue(valObject);
+ if (istrue == -1)
+ return -1;
+ else if (istrue)
+ self->dict->dv_lock = VAR_LOCKED;
+ else
+ self->dict->dv_lock = 0;
+ }
+ return 0;
+ }
+ else
+ {
+ PyErr_FORMAT(PyExc_AttributeError, N_("cannot set attribute %s"), name);
+ return -1;
+ }
+}
+
+ static PyInt
+DictionaryLength(DictionaryObject *self)
+{
+ return ((PyInt) (self->dict->dv_hashtab.ht_used));
+}
+
+#define DICT_FLAG_HAS_DEFAULT 0x01
+#define DICT_FLAG_POP 0x02
+#define DICT_FLAG_NONE_DEFAULT 0x04
+#define DICT_FLAG_RETURN_BOOL 0x08 /* Incompatible with DICT_FLAG_POP */
+#define DICT_FLAG_RETURN_PAIR 0x10
+
+ static PyObject *
+_DictionaryItem(DictionaryObject *self, PyObject *args, int flags)
+{
+ PyObject *keyObject;
+ PyObject *defObject = ((flags & DICT_FLAG_NONE_DEFAULT)? Py_None : NULL);
+ PyObject *ret;
+ char_u *key;
+ dictitem_T *di;
+ dict_T *dict = self->dict;
+ hashitem_T *hi;
+ PyObject *todecref;
+
+ if (flags & DICT_FLAG_HAS_DEFAULT)
+ {
+ if (!PyArg_ParseTuple(args, "O|O", &keyObject, &defObject))
+ return NULL;
+ }
+ else
+ keyObject = args;
+
+ if (flags & DICT_FLAG_RETURN_BOOL)
+ defObject = Py_False;
+
+ if (!(key = StringToChars(keyObject, &todecref)))
+ return NULL;
+
+ if (*key == NUL)
+ {
+ RAISE_NO_EMPTY_KEYS;
+ Py_XDECREF(todecref);
+ return NULL;
+ }
+
+ hi = hash_find(&dict->dv_hashtab, key);
+
+ Py_XDECREF(todecref);
+
+ if (HASHITEM_EMPTY(hi))
+ {
+ if (defObject)
+ {
+ Py_INCREF(defObject);
+ return defObject;
+ }
+ else
+ {
+ PyErr_SetObject(PyExc_KeyError, keyObject);
+ return NULL;
+ }
+ }
+ else if (flags & DICT_FLAG_RETURN_BOOL)
+ {
+ ret = Py_True;
+ Py_INCREF(ret);
+ return ret;
+ }
+
+ di = dict_lookup(hi);
+
+ if (!(ret = ConvertToPyObject(&di->di_tv)))
+ return NULL;
+
+ if (flags & DICT_FLAG_POP)
+ {
+ if (dict->dv_lock)
+ {
+ RAISE_LOCKED_DICTIONARY;
+ Py_DECREF(ret);
+ return NULL;
+ }
+
+ hash_remove(&dict->dv_hashtab, hi);
+ dictitem_free(di);
+ }
+
+ return ret;
+}
+
+ static PyObject *
+DictionaryItem(DictionaryObject *self, PyObject *keyObject)
+{
+ return _DictionaryItem(self, keyObject, 0);
+}
+
+ static int
+DictionaryContains(DictionaryObject *self, PyObject *keyObject)
+{
+ PyObject *rObj = _DictionaryItem(self, keyObject, DICT_FLAG_RETURN_BOOL);
+ int ret;
+
+ if (rObj == NULL)
+ return -1;
+
+ ret = (rObj == Py_True);
+
+ Py_DECREF(rObj);
+
+ return ret;
+}
+
+typedef struct
+{
+ hashitem_T *ht_array;
+ long_u ht_used;
+ hashtab_T *ht;
+ hashitem_T *hi;
+ long_u todo;
+} dictiterinfo_T;
+
+ static PyObject *
+DictionaryIterNext(dictiterinfo_T **dii)
+{
+ PyObject *ret;
+
+ if (!(*dii)->todo)
+ return NULL;
+
+ if ((*dii)->ht->ht_array != (*dii)->ht_array ||
+ (*dii)->ht->ht_used != (*dii)->ht_used)
+ {
+ PyErr_SET_STRING(PyExc_RuntimeError,
+ N_("hashtab changed during iteration"));
+ return NULL;
+ }
+
+ while (((*dii)->todo) && HASHITEM_EMPTY((*dii)->hi))
+ ++((*dii)->hi);
+
+ --((*dii)->todo);
+
+ if (!(ret = PyBytes_FromString((char *)(*dii)->hi->hi_key)))
+ return NULL;
+
+ return ret;
+}
+
+ static PyObject *
+DictionaryIter(DictionaryObject *self)
+{
+ dictiterinfo_T *dii;
+ hashtab_T *ht;
+
+ if (!(dii = PyMem_New(dictiterinfo_T, 1)))
+ {
+ PyErr_NoMemory();
+ return NULL;
+ }
+
+ ht = &self->dict->dv_hashtab;
+ dii->ht_array = ht->ht_array;
+ dii->ht_used = ht->ht_used;
+ dii->ht = ht;
+ dii->hi = dii->ht_array;
+ dii->todo = dii->ht_used;
+
+ return IterNew(dii,
+ (destructorfun) PyMem_Free, (nextfun) DictionaryIterNext,
+ NULL, NULL);
+}
+
+ static PyInt
+DictionaryAssItem(
+ DictionaryObject *self, PyObject *keyObject, PyObject *valObject)
+{
+ char_u *key;
+ typval_T tv;
+ dict_T *dict = self->dict;
+ dictitem_T *di;
+ PyObject *todecref;
+
+ if (dict->dv_lock)
+ {
+ RAISE_LOCKED_DICTIONARY;
+ return -1;
+ }
+
+ if (!(key = StringToChars(keyObject, &todecref)))
+ return -1;
+
+ if (*key == NUL)
+ {
+ RAISE_NO_EMPTY_KEYS;
+ Py_XDECREF(todecref);
+ return -1;
+ }
+
+ di = dict_find(dict, key, -1);
+
+ if (valObject == NULL)
+ {
+ hashitem_T *hi;
+
+ if (di == NULL)
+ {
+ Py_XDECREF(todecref);
+ PyErr_SetObject(PyExc_KeyError, keyObject);
+ return -1;
+ }
+ hi = hash_find(&dict->dv_hashtab, di->di_key);
+ hash_remove(&dict->dv_hashtab, hi);
+ dictitem_free(di);
+ Py_XDECREF(todecref);
+ return 0;
+ }
+
+ if (ConvertFromPyObject(valObject, &tv) == -1)
+ {
+ Py_XDECREF(todecref);
+ return -1;
+ }
+
+ if (di == NULL)
+ {
+ if (!(di = dictitem_alloc(key)))
+ {
+ Py_XDECREF(todecref);
+ PyErr_NoMemory();
+ return -1;
+ }
+ di->di_tv.v_type = VAR_UNKNOWN;
+
+ if (dict_add(dict, di) == FAIL)
+ {
+ vim_free(di);
+ dictitem_free(di);
+ RAISE_KEY_ADD_FAIL(key);
+ Py_XDECREF(todecref);
+ return -1;
+ }
+ }
+ else
+ clear_tv(&di->di_tv);
+
+ Py_XDECREF(todecref);
+
+ copy_tv(&tv, &di->di_tv);
+ clear_tv(&tv);
+ return 0;
+}
+
+typedef PyObject *(*hi_to_py)(hashitem_T *);
+
+ static PyObject *
+DictionaryListObjects(DictionaryObject *self, hi_to_py hiconvert)
+{
+ dict_T *dict = self->dict;
+ long_u todo = dict->dv_hashtab.ht_used;
+ Py_ssize_t i = 0;
+ PyObject *ret;
+ hashitem_T *hi;
+ PyObject *newObj;
+
+ ret = PyList_New(todo);
+ for (hi = dict->dv_hashtab.ht_array; todo > 0; ++hi)
+ {
+ if (!HASHITEM_EMPTY(hi))
+ {
+ if (!(newObj = hiconvert(hi)))
+ {
+ Py_DECREF(ret);
+ return NULL;
+ }
+ PyList_SET_ITEM(ret, i, newObj);
+ --todo;
+ ++i;
+ }
+ }
+ return ret;
+}
+
+ static PyObject *
+dict_key(hashitem_T *hi)
+{
+ return PyBytes_FromString((char *)(hi->hi_key));
+}
+
+ static PyObject *
+DictionaryListKeys(DictionaryObject *self)
+{
+ return DictionaryListObjects(self, dict_key);
+}
+
+ static PyObject *
+dict_val(hashitem_T *hi)
+{
+ dictitem_T *di;
+
+ di = dict_lookup(hi);
+ return ConvertToPyObject(&di->di_tv);
+}
+
+ static PyObject *
+DictionaryListValues(DictionaryObject *self)
+{
+ return DictionaryListObjects(self, dict_val);
+}
+
+ static PyObject *
+dict_item(hashitem_T *hi)
+{
+ PyObject *keyObject;
+ PyObject *valObject;
+ PyObject *ret;
+
+ if (!(keyObject = dict_key(hi)))
+ return NULL;
+
+ if (!(valObject = dict_val(hi)))
+ {
+ Py_DECREF(keyObject);
+ return NULL;
+ }
+
+ ret = Py_BuildValue("(OO)", keyObject, valObject);
+
+ Py_DECREF(keyObject);
+ Py_DECREF(valObject);
+
+ return ret;
+}
+
+ static PyObject *
+DictionaryListItems(DictionaryObject *self)
+{
+ return DictionaryListObjects(self, dict_item);
+}
+
+ static PyObject *
+DictionaryUpdate(DictionaryObject *self, PyObject *args, PyObject *kwargs)
+{
+ dict_T *dict = self->dict;
+
+ if (dict->dv_lock)
+ {
+ RAISE_LOCKED_DICTIONARY;
+ return NULL;
+ }
+
+ if (kwargs)
+ {
+ typval_T tv;
+
+ if (ConvertFromPyMapping(kwargs, &tv) == -1)
+ return NULL;
+
+ VimTryStart();
+ dict_extend(self->dict, tv.vval.v_dict, (char_u *) "force");
+ clear_tv(&tv);
+ if (VimTryEnd())
+ return NULL;
+ }
+ else
+ {
+ PyObject *obj = NULL;
+
+ if (!PyArg_ParseTuple(args, "|O", &obj))
+ return NULL;
+
+ if (obj == NULL)
+ {
+ Py_INCREF(Py_None);
+ return Py_None;
+ }
+
+ if (PyObject_HasAttrString(obj, "keys"))
+ return DictionaryUpdate(self, NULL, obj);
+ else
+ {
+ PyObject *iterator;
+ PyObject *item;
+
+ if (!(iterator = PyObject_GetIter(obj)))
+ return NULL;
+
+ while ((item = PyIter_Next(iterator)))
+ {
+ PyObject *fast;
+ PyObject *keyObject;
+ PyObject *valObject;
+ PyObject *todecref;
+ char_u *key;
+ dictitem_T *di;
+ hashitem_T *hi;
+
+ if (!(fast = PySequence_Fast(item, "")))
+ {
+ Py_DECREF(iterator);
+ Py_DECREF(item);
+ return NULL;
+ }
+
+ Py_DECREF(item);
+
+ if (PySequence_Fast_GET_SIZE(fast) != 2)
+ {
+ Py_DECREF(iterator);
+ Py_DECREF(fast);
+ PyErr_FORMAT(PyExc_ValueError,
+ N_("expected sequence element of size 2, "
+ "but got sequence of size %d"),
+ (int) PySequence_Fast_GET_SIZE(fast));
+ return NULL;
+ }
+
+ keyObject = PySequence_Fast_GET_ITEM(fast, 0);
+
+ if (!(key = StringToChars(keyObject, &todecref)))
+ {
+ Py_DECREF(iterator);
+ Py_DECREF(fast);
+ return NULL;
+ }
+
+ di = dictitem_alloc(key);
+
+ Py_XDECREF(todecref);
+
+ if (di == NULL)
+ {
+ Py_DECREF(fast);
+ Py_DECREF(iterator);
+ PyErr_NoMemory();
+ return NULL;
+ }
+ di->di_tv.v_type = VAR_UNKNOWN;
+
+ valObject = PySequence_Fast_GET_ITEM(fast, 1);
+
+ if (ConvertFromPyObject(valObject, &di->di_tv) == -1)
+ {
+ Py_DECREF(iterator);
+ Py_DECREF(fast);
+ dictitem_free(di);
+ return NULL;
+ }
+
+ Py_DECREF(fast);
+
+ hi = hash_find(&dict->dv_hashtab, di->di_key);
+ if (!HASHITEM_EMPTY(hi) || dict_add(dict, di) == FAIL)
+ {
+ RAISE_KEY_ADD_FAIL(di->di_key);
+ Py_DECREF(iterator);
+ dictitem_free(di);
+ return NULL;
+ }
+ }
+
+ Py_DECREF(iterator);
+
+ /* Iterator may have finished due to an exception */
+ if (PyErr_Occurred())
+ return NULL;
+ }
+ }
+ Py_INCREF(Py_None);
+ return Py_None;
+}
+
+ static PyObject *
+DictionaryGet(DictionaryObject *self, PyObject *args)
+{
+ return _DictionaryItem(self, args,
+ DICT_FLAG_HAS_DEFAULT|DICT_FLAG_NONE_DEFAULT);
+}
+
+ static PyObject *
+DictionaryPop(DictionaryObject *self, PyObject *args)
+{
+ return _DictionaryItem(self, args, DICT_FLAG_HAS_DEFAULT|DICT_FLAG_POP);
+}
+
+ static PyObject *
+DictionaryPopItem(DictionaryObject *self)
+{
+ hashitem_T *hi;
+ PyObject *ret;
+ PyObject *valObject;
+ dictitem_T *di;
+
+ if (self->dict->dv_hashtab.ht_used == 0)
+ {
+ PyErr_SetNone(PyExc_KeyError);
+ return NULL;
+ }
+
+ hi = self->dict->dv_hashtab.ht_array;
+ while (HASHITEM_EMPTY(hi))
+ ++hi;
+
+ di = dict_lookup(hi);
+
+ if (!(valObject = ConvertToPyObject(&di->di_tv)))
+ return NULL;
+
+ if (!(ret = Py_BuildValue("(" Py_bytes_fmt "O)", hi->hi_key, valObject)))
+ {
+ Py_DECREF(valObject);
+ return NULL;
+ }
+
+ hash_remove(&self->dict->dv_hashtab, hi);
+ dictitem_free(di);
+
+ return ret;
+}
+
+ static PyObject *
+DictionaryHasKey(DictionaryObject *self, PyObject *keyObject)
+{
+ return _DictionaryItem(self, keyObject, DICT_FLAG_RETURN_BOOL);
+}
+
+static PySequenceMethods DictionaryAsSeq = {
+ 0, /* sq_length */
+ 0, /* sq_concat */
+ 0, /* sq_repeat */
+ 0, /* sq_item */
+ 0, /* sq_slice */
+ 0, /* sq_ass_item */
+ 0, /* sq_ass_slice */
+ (objobjproc) DictionaryContains, /* sq_contains */
+ 0, /* sq_inplace_concat */
+ 0, /* sq_inplace_repeat */
+};
+
+static PyMappingMethods DictionaryAsMapping = {
+ (lenfunc) DictionaryLength,
+ (binaryfunc) DictionaryItem,
+ (objobjargproc) DictionaryAssItem,
+};
+
+static struct PyMethodDef DictionaryMethods[] = {
+ {"keys", (PyCFunction)DictionaryListKeys, METH_NOARGS, ""},
+ {"values", (PyCFunction)DictionaryListValues, METH_NOARGS, ""},
+ {"items", (PyCFunction)DictionaryListItems, METH_NOARGS, ""},
+ {"update", (PyCFunction)DictionaryUpdate, METH_VARARGS|METH_KEYWORDS, ""},
+ {"get", (PyCFunction)DictionaryGet, METH_VARARGS, ""},
+ {"pop", (PyCFunction)DictionaryPop, METH_VARARGS, ""},
+ {"popitem", (PyCFunction)DictionaryPopItem, METH_NOARGS, ""},
+ {"has_key", (PyCFunction)DictionaryHasKey, METH_O, ""},
+ {"__dir__", (PyCFunction)DictionaryDir, METH_NOARGS, ""},
+ { NULL, NULL, 0, NULL}
+};
+
+static PyTypeObject ListType;
+
+typedef struct
+{
+ PyObject_HEAD
+ list_T *list;
+ pylinkedlist_T ref;
+} ListObject;
+
+#define NEW_LIST(list) ListNew(&ListType, list)
+
+ static PyObject *
+ListNew(PyTypeObject *subtype, list_T *list)
+{
+ ListObject *self;
+
+ self = (ListObject *) subtype->tp_alloc(subtype, 0);
+ if (self == NULL)
+ return NULL;
+ self->list = list;
+ ++list->lv_refcount;
+
+ pyll_add((PyObject *)(self), &self->ref, &lastlist);
+
+ return (PyObject *)(self);
+}
+
+ static list_T *
+py_list_alloc(void)
+{
+ list_T *ret;
+
+ if (!(ret = list_alloc()))
+ {
+ PyErr_NoMemory();
+ return NULL;
+ }
+ ++ret->lv_refcount;
+
+ return ret;
+}
+
+ static int
+list_py_concat(list_T *l, PyObject *obj, PyObject *lookup_dict)
+{
+ PyObject *iterator;
+ PyObject *item;
+ listitem_T *li;
+
+ if (!(iterator = PyObject_GetIter(obj)))
+ return -1;
+
+ while ((item = PyIter_Next(iterator)))
+ {
+ if (!(li = listitem_alloc()))
+ {
+ PyErr_NoMemory();
+ Py_DECREF(item);
+ Py_DECREF(iterator);
+ return -1;
+ }
+ li->li_tv.v_lock = 0;
+ li->li_tv.v_type = VAR_UNKNOWN;
+
+ if (_ConvertFromPyObject(item, &li->li_tv, lookup_dict) == -1)
+ {
+ Py_DECREF(item);
+ Py_DECREF(iterator);
+ listitem_free(li);
+ return -1;
+ }
+
+ Py_DECREF(item);
+
+ list_append(l, li);
+ }
+
+ Py_DECREF(iterator);
+
+ /* Iterator may have finished due to an exception */
+ if (PyErr_Occurred())
+ return -1;
+
+ return 0;
+}
+
+ static PyObject *
+ListConstructor(PyTypeObject *subtype, PyObject *args, PyObject *kwargs)
+{
+ list_T *list;
+ PyObject *obj = NULL;
+
+ if (kwargs)
+ {
+ PyErr_SET_STRING(PyExc_TypeError,
+ N_("list constructor does not accept keyword arguments"));
+ return NULL;
+ }
+
+ if (!PyArg_ParseTuple(args, "|O", &obj))
+ return NULL;
+
+ if (!(list = py_list_alloc()))
+ return NULL;
+
+ if (obj)
+ {
+ PyObject *lookup_dict;
+
+ if (!(lookup_dict = PyDict_New()))
+ {
+ list_unref(list);
+ return NULL;
+ }
+
+ if (list_py_concat(list, obj, lookup_dict) == -1)
+ {
+ Py_DECREF(lookup_dict);
+ list_unref(list);
+ return NULL;
+ }
+
+ Py_DECREF(lookup_dict);
+ }
+
+ return ListNew(subtype, list);
+}
+
+ static void
+ListDestructor(ListObject *self)
+{
+ pyll_remove(&self->ref, &lastlist);
+ list_unref(self->list);
+
+ DESTRUCTOR_FINISH(self);
+}
+
+ static PyInt
+ListLength(ListObject *self)
+{
+ return ((PyInt) (self->list->lv_len));
+}
+
+ static PyObject *
+ListIndex(ListObject *self, Py_ssize_t index)
+{
+ listitem_T *li;
+
+ if (index >= ListLength(self))
+ {
+ PyErr_SET_STRING(PyExc_IndexError, N_("list index out of range"));
+ return NULL;
+ }
+ li = list_find(self->list, (long) index);
+ if (li == NULL)
+ {
+ /* No more suitable format specifications in python-2.3 */
+ PyErr_VIM_FORMAT(N_("internal error: failed to get vim list item %d"),
+ (int) index);
+ return NULL;
+ }
+ return ConvertToPyObject(&li->li_tv);
+}
+
+ static PyObject *
+ListSlice(ListObject *self, Py_ssize_t first, Py_ssize_t step,
+ Py_ssize_t slicelen)
+{
+ PyInt i;
+ PyObject *list;
+
+ if (step == 0)
+ {
+ PyErr_SET_STRING(PyExc_ValueError, N_("slice step cannot be zero"));
+ return NULL;
+ }
+
+ list = PyList_New(slicelen);
+ if (list == NULL)
+ return NULL;
+
+ for (i = 0; i < slicelen; ++i)
+ {
+ PyObject *item;
+
+ item = ListIndex(self, first + i*step);
+ if (item == NULL)
+ {
+ Py_DECREF(list);
+ return NULL;
+ }
+
+ PyList_SET_ITEM(list, i, item);
+ }
+
+ return list;
+}
+
+ static PyObject *
+ListItem(ListObject *self, PyObject* idx)
+{
+#if PY_MAJOR_VERSION < 3
+ if (PyInt_Check(idx))
+ {
+ long _idx = PyInt_AsLong(idx);
+ return ListIndex(self, _idx);
+ }
+ else
+#endif
+ if (PyLong_Check(idx))
+ {
+ long _idx = PyLong_AsLong(idx);
+ return ListIndex(self, _idx);
+ }
+ else if (PySlice_Check(idx))
+ {
+ Py_ssize_t start, stop, step, slicelen;
+
+ if (PySlice_GetIndicesEx((PySliceObject_T *)idx, ListLength(self),
+ &start, &stop, &step, &slicelen) < 0)
+ return NULL;
+ return ListSlice(self, start, step, slicelen);
+ }
+ else
+ {
+ RAISE_INVALID_INDEX_TYPE(idx);
+ return NULL;
+ }
+}
+
+ static void
+list_restore(Py_ssize_t numadded, Py_ssize_t numreplaced, Py_ssize_t slicelen,
+ list_T *l, listitem_T **lis, listitem_T *lastaddedli)
+{
+ while (numreplaced--)
+ {
+ list_insert(l, lis[numreplaced], lis[slicelen + numreplaced]);
+ listitem_remove(l, lis[slicelen + numreplaced]);
+ }
+ while (numadded--)
+ {
+ listitem_T *next;
+
+ next = lastaddedli->li_prev;
+ listitem_remove(l, lastaddedli);
+ lastaddedli = next;
+ }
+}
+
+ static int
+ListAssSlice(ListObject *self, Py_ssize_t first,
+ Py_ssize_t step, Py_ssize_t slicelen, PyObject *obj)
+{
+ PyObject *iterator;
+ PyObject *item;
+ listitem_T *li;
+ listitem_T *lastaddedli = NULL;
+ listitem_T *next;
+ typval_T v;
+ list_T *l = self->list;
+ PyInt i;
+ PyInt j;
+ PyInt numreplaced = 0;
+ PyInt numadded = 0;
+ PyInt size;
+ listitem_T **lis = NULL;
+
+ size = ListLength(self);
+
+ if (l->lv_lock)
+ {
+ RAISE_LOCKED_LIST;
+ return -1;
+ }
+
+ if (step == 0)
+ {
+ PyErr_SET_STRING(PyExc_ValueError, N_("slice step cannot be zero"));
+ return -1;
+ }
+
+ if (step != 1 && slicelen == 0)
+ {
+ /* Nothing to do. Only error out if obj has some items. */
+ int ret = 0;
+
+ if (obj == NULL)
+ return 0;
+
+ if (!(iterator = PyObject_GetIter(obj)))
+ return -1;
+
+ if ((item = PyIter_Next(iterator)))
+ {
+ PyErr_FORMAT(PyExc_ValueError,
+ N_("attempt to assign sequence of size greater than %d "
+ "to extended slice"), 0);
+ Py_DECREF(item);
+ ret = -1;
+ }
+ Py_DECREF(iterator);
+ return ret;
+ }
+
+ if (obj != NULL)
+ /* XXX May allocate zero bytes. */
+ if (!(lis = PyMem_New(listitem_T *, slicelen * 2)))
+ {
+ PyErr_NoMemory();
+ return -1;
+ }
+
+ if (first == size)
+ li = NULL;
+ else
+ {
+ li = list_find(l, (long) first);
+ if (li == NULL)
+ {
+ PyErr_VIM_FORMAT(N_("internal error: no vim list item %d"),
+ (int)first);
+ if (obj != NULL)
+ PyMem_Free(lis);
+ return -1;
+ }
+ i = slicelen;
+ while (i-- && li != NULL)
+ {
+ j = step;
+ next = li;
+ if (step > 0)
+ while (next != NULL && ((next = next->li_next) != NULL) && --j);
+ else
+ while (next != NULL && ((next = next->li_prev) != NULL) && ++j);
+
+ if (obj == NULL)
+ listitem_remove(l, li);
+ else
+ lis[slicelen - i - 1] = li;
+
+ li = next;
+ }
+ if (li == NULL && i != -1)
+ {
+ PyErr_SET_VIM(N_("internal error: not enough list items"));
+ if (obj != NULL)
+ PyMem_Free(lis);
+ return -1;
+ }
+ }
+
+ if (obj == NULL)
+ return 0;
+
+ if (!(iterator = PyObject_GetIter(obj)))
+ {
+ PyMem_Free(lis);
+ return -1;
+ }
+
+ i = 0;
+ while ((item = PyIter_Next(iterator)))
+ {
+ if (ConvertFromPyObject(item, &v) == -1)
+ {
+ Py_DECREF(iterator);
+ Py_DECREF(item);
+ PyMem_Free(lis);
+ return -1;
+ }
+ Py_DECREF(item);
+ if (list_insert_tv(l, &v, numreplaced < slicelen
+ ? lis[numreplaced]
+ : li) == FAIL)
+ {
+ clear_tv(&v);
+ PyErr_SET_VIM(N_("internal error: failed to add item to list"));
+ list_restore(numadded, numreplaced, slicelen, l, lis, lastaddedli);
+ PyMem_Free(lis);
+ return -1;
+ }
+ if (numreplaced < slicelen)
+ {
+ lis[slicelen + numreplaced] = lis[numreplaced]->li_prev;
+ vimlist_remove(l, lis[numreplaced], lis[numreplaced]);
+ numreplaced++;
+ }
+ else
+ {
+ if (li)
+ lastaddedli = li->li_prev;
+ else
+ lastaddedli = l->lv_last;
+ numadded++;
+ }
+ clear_tv(&v);
+ if (step != 1 && i >= slicelen)
+ {
+ Py_DECREF(iterator);
+ PyErr_FORMAT(PyExc_ValueError,
+ N_("attempt to assign sequence of size greater than %d "
+ "to extended slice"), (int) slicelen);
+ list_restore(numadded, numreplaced, slicelen, l, lis, lastaddedli);
+ PyMem_Free(lis);
+ return -1;
+ }
+ ++i;
+ }
+ Py_DECREF(iterator);
+
+ if (step != 1 && i != slicelen)
+ {
+ PyErr_FORMAT2(PyExc_ValueError,
+ N_("attempt to assign sequence of size %d to extended slice "
+ "of size %d"), (int) i, (int) slicelen);
+ list_restore(numadded, numreplaced, slicelen, l, lis, lastaddedli);
+ PyMem_Free(lis);
+ return -1;
+ }
+
+ if (PyErr_Occurred())
+ {
+ list_restore(numadded, numreplaced, slicelen, l, lis, lastaddedli);
+ PyMem_Free(lis);
+ return -1;
+ }
+
+ for (i = 0; i < numreplaced; i++)
+ listitem_free(lis[i]);
+ if (step == 1)
+ for (i = numreplaced; i < slicelen; i++)
+ listitem_remove(l, lis[i]);
+
+ PyMem_Free(lis);
+
+ return 0;
+}
+
+ static int
+ListAssIndex(ListObject *self, Py_ssize_t index, PyObject *obj)
+{
+ typval_T tv;
+ list_T *l = self->list;
+ listitem_T *li;
+ Py_ssize_t length = ListLength(self);
+
+ if (l->lv_lock)
+ {
+ RAISE_LOCKED_LIST;
+ return -1;
+ }
+ if (index > length || (index == length && obj == NULL))
+ {
+ PyErr_SET_STRING(PyExc_IndexError, N_("list index out of range"));
+ return -1;
+ }
+
+ if (obj == NULL)
+ {
+ li = list_find(l, (long) index);
+ vimlist_remove(l, li, li);
+ clear_tv(&li->li_tv);
+ vim_free(li);
+ return 0;
+ }
+
+ if (ConvertFromPyObject(obj, &tv) == -1)
+ return -1;
+
+ if (index == length)
+ {
+ if (list_append_tv(l, &tv) == FAIL)
+ {
+ clear_tv(&tv);
+ PyErr_SET_VIM(N_("failed to add item to list"));
+ return -1;
+ }
+ }
+ else
+ {
+ li = list_find(l, (long) index);
+ clear_tv(&li->li_tv);
+ copy_tv(&tv, &li->li_tv);
+ clear_tv(&tv);
+ }
+ return 0;
+}
+
+ static Py_ssize_t
+ListAssItem(ListObject *self, PyObject *idx, PyObject *obj)
+{
+#if PY_MAJOR_VERSION < 3
+ if (PyInt_Check(idx))
+ {
+ long _idx = PyInt_AsLong(idx);
+ return ListAssIndex(self, _idx, obj);
+ }
+ else
+#endif
+ if (PyLong_Check(idx))
+ {
+ long _idx = PyLong_AsLong(idx);
+ return ListAssIndex(self, _idx, obj);
+ }
+ else if (PySlice_Check(idx))
+ {
+ Py_ssize_t start, stop, step, slicelen;
+
+ if (PySlice_GetIndicesEx((PySliceObject_T *)idx, ListLength(self),
+ &start, &stop, &step, &slicelen) < 0)
+ return -1;
+ return ListAssSlice(self, start, step, slicelen,
+ obj);
+ }
+ else
+ {
+ RAISE_INVALID_INDEX_TYPE(idx);
+ return -1;
+ }
+}
+
+ static PyObject *
+ListConcatInPlace(ListObject *self, PyObject *obj)
+{
+ list_T *l = self->list;
+ PyObject *lookup_dict;
+
+ if (l->lv_lock)
+ {
+ RAISE_LOCKED_LIST;
+ return NULL;
+ }
+
+ if (!(lookup_dict = PyDict_New()))
+ return NULL;
+
+ if (list_py_concat(l, obj, lookup_dict) == -1)
+ {
+ Py_DECREF(lookup_dict);
+ return NULL;
+ }
+ Py_DECREF(lookup_dict);
+
+ Py_INCREF(self);
+ return (PyObject *)(self);
+}
+
+typedef struct
+{
+ listwatch_T lw;
+ list_T *list;
+} listiterinfo_T;
+
+ static void
+ListIterDestruct(listiterinfo_T *lii)
+{
+ list_rem_watch(lii->list, &lii->lw);
+ PyMem_Free(lii);
+}
+
+ static PyObject *
+ListIterNext(listiterinfo_T **lii)
+{
+ PyObject *ret;
+
+ if (!((*lii)->lw.lw_item))
+ return NULL;
+
+ if (!(ret = ConvertToPyObject(&((*lii)->lw.lw_item->li_tv))))
+ return NULL;
+
+ (*lii)->lw.lw_item = (*lii)->lw.lw_item->li_next;
+
+ return ret;
+}
+
+ static PyObject *
+ListIter(ListObject *self)
+{
+ listiterinfo_T *lii;
+ list_T *l = self->list;
+
+ if (!(lii = PyMem_New(listiterinfo_T, 1)))
+ {
+ PyErr_NoMemory();
+ return NULL;
+ }
+
+ list_add_watch(l, &lii->lw);
+ lii->lw.lw_item = l->lv_first;
+ lii->list = l;
+
+ return IterNew(lii,
+ (destructorfun) ListIterDestruct, (nextfun) ListIterNext,
+ NULL, NULL);
+}
+
+static char *ListAttrs[] = {
+ "locked",
+ NULL
+};
+
+ static PyObject *
+ListDir(PyObject *self)
+{
+ return ObjectDir(self, ListAttrs);
+}
+
+ static int
+ListSetattr(ListObject *self, char *name, PyObject *valObject)
+{
+ if (valObject == NULL)
+ {
+ PyErr_SET_STRING(PyExc_AttributeError,
+ N_("cannot delete vim.List attributes"));
+ return -1;
+ }
+
+ if (strcmp(name, "locked") == 0)
+ {
+ if (self->list->lv_lock == VAR_FIXED)
+ {
+ PyErr_SET_STRING(PyExc_TypeError, N_("cannot modify fixed list"));
+ return -1;
+ }
+ else
+ {
+ int istrue = PyObject_IsTrue(valObject);
+ if (istrue == -1)
+ return -1;
+ else if (istrue)
+ self->list->lv_lock = VAR_LOCKED;
+ else
+ self->list->lv_lock = 0;
+ }
+ return 0;
+ }
+ else
+ {
+ PyErr_FORMAT(PyExc_AttributeError, N_("cannot set attribute %s"), name);
+ return -1;
+ }
+}
+
+static PySequenceMethods ListAsSeq = {
+ (lenfunc) ListLength, /* sq_length, len(x) */
+ (binaryfunc) 0, /* RangeConcat, sq_concat, x+y */
+ 0, /* RangeRepeat, sq_repeat, x*n */
+ (PyIntArgFunc) ListIndex, /* sq_item, x[i] */
+ 0, /* was_sq_slice, x[i:j] */
+ (PyIntObjArgProc) ListAssIndex, /* sq_as_item, x[i]=v */
+ 0, /* was_sq_ass_slice, x[i:j]=v */
+ 0, /* sq_contains */
+ (binaryfunc) ListConcatInPlace,/* sq_inplace_concat */
+ 0, /* sq_inplace_repeat */
+};
+
+static PyMappingMethods ListAsMapping = {
+ /* mp_length */ (lenfunc) ListLength,
+ /* mp_subscript */ (binaryfunc) ListItem,
+ /* mp_ass_subscript */ (objobjargproc) ListAssItem,
+};
+
+static struct PyMethodDef ListMethods[] = {
+ {"extend", (PyCFunction)ListConcatInPlace, METH_O, ""},
+ {"__dir__", (PyCFunction)ListDir, METH_NOARGS, ""},
+ { NULL, NULL, 0, NULL}
+};
+
+typedef struct
+{
+ PyObject_HEAD
+ char_u *name;
+ int argc;
+ typval_T *argv;
+ dict_T *self;
+ pylinkedlist_T ref;
+ int auto_rebind;
+} FunctionObject;
+
+static PyTypeObject FunctionType;
+
+#define NEW_FUNCTION(name, argc, argv, self, pt_auto) \
+ FunctionNew(&FunctionType, (name), (argc), (argv), (self), (pt_auto))
+
+ static PyObject *
+FunctionNew(PyTypeObject *subtype, char_u *name, int argc, typval_T *argv,
+ dict_T *selfdict, int auto_rebind)
+{
+ FunctionObject *self;
+
+ self = (FunctionObject *)subtype->tp_alloc(subtype, 0);
+ if (self == NULL)
+ return NULL;
+
+ if (isdigit(*name))
+ {
+ if (!translated_function_exists(name))
+ {
+ PyErr_FORMAT(PyExc_ValueError,
+ N_("unnamed function %s does not exist"), name);
+ return NULL;
+ }
+ self->name = vim_strsave(name);
+ }
+ else
+ {
+ char_u *p;
+
+ if ((p = get_expanded_name(name,
+ vim_strchr(name, AUTOLOAD_CHAR) == NULL)) == NULL)
+ {
+ PyErr_FORMAT(PyExc_ValueError,
+ N_("function %s does not exist"), name);
+ return NULL;
+ }
+
+ if (p[0] == K_SPECIAL && p[1] == KS_EXTRA && p[2] == (int)KE_SNR)
+ {
+ char_u *np;
+ size_t len = STRLEN(p) + 1;
+
+ if ((np = alloc((int)len + 2)) == NULL)
+ {
+ vim_free(p);
+ return NULL;
+ }
+ mch_memmove(np, "<SNR>", 5);
+ mch_memmove(np + 5, p + 3, len - 3);
+ vim_free(p);
+ self->name = np;
+ }
+ else
+ self->name = p;
+ }
+
+ func_ref(self->name);
+ self->argc = argc;
+ self->argv = argv;
+ self->self = selfdict;
+ self->auto_rebind = selfdict == NULL ? TRUE : auto_rebind;
+
+ if (self->argv || self->self)
+ pyll_add((PyObject *)(self), &self->ref, &lastfunc);
+
+ return (PyObject *)(self);
+}
+
+ static PyObject *
+FunctionConstructor(PyTypeObject *subtype, PyObject *args, PyObject *kwargs)
+{
+ PyObject *self;
+ PyObject *selfdictObject;
+ PyObject *autoRebindObject;
+ PyObject *argsObject = NULL;
+ char_u *name;
+ typval_T selfdicttv;
+ typval_T argstv;
+ list_T *argslist = NULL;
+ dict_T *selfdict = NULL;
+ int argc = 0;
+ int auto_rebind = TRUE;
+ typval_T *argv = NULL;
+ typval_T *curtv;
+ listitem_T *li;
+
+ if (kwargs != NULL)
+ {
+ selfdictObject = PyDict_GetItemString(kwargs, "self");
+ if (selfdictObject != NULL)
+ {
+ if (ConvertFromPyMapping(selfdictObject, &selfdicttv) == -1)
+ return NULL;
+ selfdict = selfdicttv.vval.v_dict;
+ }
+ argsObject = PyDict_GetItemString(kwargs, "args");
+ if (argsObject != NULL)
+ {
+ if (ConvertFromPySequence(argsObject, &argstv) == -1)
+ {
+ dict_unref(selfdict);
+ return NULL;
+ }
+ argslist = argstv.vval.v_list;
+
+ argc = argslist->lv_len;
+ if (argc != 0)
+ {
+ argv = PyMem_New(typval_T, (size_t) argc);
+ if (argv == NULL)
+ {
+ PyErr_NoMemory();
+ dict_unref(selfdict);
+ list_unref(argslist);
+ return NULL;
+ }
+ curtv = argv;
+ for (li = argslist->lv_first; li != NULL; li = li->li_next)
+ copy_tv(&li->li_tv, curtv++);
+ }
+ list_unref(argslist);
+ }
+ if (selfdict != NULL)
+ {
+ auto_rebind = FALSE;
+ autoRebindObject = PyDict_GetItemString(kwargs, "auto_rebind");
+ if (autoRebindObject != NULL)
+ {
+ auto_rebind = PyObject_IsTrue(autoRebindObject);
+ if (auto_rebind == -1)
+ {
+ dict_unref(selfdict);
+ list_unref(argslist);
+ return NULL;
+ }
+ }
+ }
+ }
+
+ if (!PyArg_ParseTuple(args, "et", "ascii", &name))
+ {
+ dict_unref(selfdict);
+ while (argc--)
+ clear_tv(&argv[argc]);
+ PyMem_Free(argv);
+ return NULL;
+ }
+
+ self = FunctionNew(subtype, name, argc, argv, selfdict, auto_rebind);
+
+ PyMem_Free(name);
+
+ return self;
+}
+
+ static void
+FunctionDestructor(FunctionObject *self)
+{
+ int i;
+ func_unref(self->name);
+ vim_free(self->name);
+ for (i = 0; i < self->argc; ++i)
+ clear_tv(&self->argv[i]);
+ PyMem_Free(self->argv);
+ dict_unref(self->self);
+ if (self->argv || self->self)
+ pyll_remove(&self->ref, &lastfunc);
+
+ DESTRUCTOR_FINISH(self);
+}
+
+static char *FunctionAttrs[] = {
+ "softspace", "args", "self", "auto_rebind",
+ NULL
+};
+
+ static PyObject *
+FunctionDir(PyObject *self)
+{
+ return ObjectDir(self, FunctionAttrs);
+}
+
+ static PyObject *
+FunctionAttr(FunctionObject *self, char *name)
+{
+ list_T *list;
+ int i;
+ if (strcmp(name, "name") == 0)
+ return PyString_FromString((char *)(self->name));
+ else if (strcmp(name, "args") == 0)
+ {
+ if (self->argv == NULL || (list = list_alloc()) == NULL)
+ return AlwaysNone(NULL);
+
+ for (i = 0; i < self->argc; ++i)
+ list_append_tv(list, &self->argv[i]);
+ return NEW_LIST(list);
+ }
+ else if (strcmp(name, "self") == 0)
+ return self->self == NULL
+ ? AlwaysNone(NULL)
+ : NEW_DICTIONARY(self->self);
+ else if (strcmp(name, "auto_rebind") == 0)
+ return self->auto_rebind
+ ? AlwaysTrue(NULL)
+ : AlwaysFalse(NULL);
+ else if (strcmp(name, "__members__") == 0)
+ return ObjectDir(NULL, FunctionAttrs);
+ return NULL;
+}
+
+/* Populate partial_T given function object.
+ *
+ * "exported" should be set to true when it is needed to construct a partial
+ * that may be stored in a variable (i.e. may be freed by Vim).
+ */
+ static void
+set_partial(FunctionObject *self, partial_T *pt, int exported)
+{
+ int i;
+
+ pt->pt_name = self->name;
+ if (self->argv)
+ {
+ pt->pt_argc = self->argc;
+ if (exported)
+ {
+ pt->pt_argv = (typval_T *)alloc_clear(
+ sizeof(typval_T) * self->argc);
+ for (i = 0; i < pt->pt_argc; ++i)
+ copy_tv(&self->argv[i], &pt->pt_argv[i]);
+ }
+ else
+ pt->pt_argv = self->argv;
+ }
+ else
+ {
+ pt->pt_argc = 0;
+ pt->pt_argv = NULL;
+ }
+ pt->pt_auto = self->auto_rebind || !exported;
+ pt->pt_dict = self->self;
+ if (exported && self->self)
+ ++pt->pt_dict->dv_refcount;
+ if (exported)
+ pt->pt_name = vim_strsave(pt->pt_name);
+ pt->pt_refcount = 1;
+}
+
+ static PyObject *
+FunctionCall(FunctionObject *self, PyObject *argsObject, PyObject *kwargs)
+{
+ char_u *name = self->name;
+ typval_T args;
+ typval_T selfdicttv;
+ typval_T rettv;
+ dict_T *selfdict = NULL;
+ PyObject *selfdictObject;
+ PyObject *ret;
+ int error;
+ partial_T pt;
+ partial_T *pt_ptr = NULL;
+
+ if (ConvertFromPySequence(argsObject, &args) == -1)
+ return NULL;
+
+ if (kwargs != NULL)
+ {
+ selfdictObject = PyDict_GetItemString(kwargs, "self");
+ if (selfdictObject != NULL)
+ {
+ if (ConvertFromPyMapping(selfdictObject, &selfdicttv) == -1)
+ {
+ clear_tv(&args);
+ return NULL;
+ }
+ selfdict = selfdicttv.vval.v_dict;
+ }
+ }
+
+ if (self->argv || self->self)
+ {
+ vim_memset(&pt, 0, sizeof(partial_T));
+ set_partial(self, &pt, FALSE);
+ pt_ptr = &pt;
+ }
+
+ Py_BEGIN_ALLOW_THREADS
+ Python_Lock_Vim();
+
+ VimTryStart();
+ error = func_call(name, &args, pt_ptr, selfdict, &rettv);
+
+ Python_Release_Vim();
+ Py_END_ALLOW_THREADS
+
+ if (VimTryEnd())
+ ret = NULL;
+ else if (error != OK)
+ {
+ ret = NULL;
+ PyErr_VIM_FORMAT(N_("failed to run function %s"), (char *)name);
+ }
+ else
+ ret = ConvertToPyObject(&rettv);
+
+ clear_tv(&args);
+ clear_tv(&rettv);
+ if (selfdict != NULL)
+ clear_tv(&selfdicttv);
+
+ return ret;
+}
+
+ static PyObject *
+FunctionRepr(FunctionObject *self)
+{
+ PyObject *ret;
+ garray_T repr_ga;
+ int i;
+ char_u *tofree = NULL;
+ typval_T tv;
+ char_u numbuf[NUMBUFLEN];
+
+ ga_init2(&repr_ga, (int)sizeof(char), 70);
+ ga_concat(&repr_ga, (char_u *)"<vim.Function '");
+ if (self->name)
+ ga_concat(&repr_ga, self->name);
+ else
+ ga_concat(&repr_ga, (char_u *)"<NULL>");
+ ga_append(&repr_ga, '\'');
+ if (self->argv)
+ {
+ ga_concat(&repr_ga, (char_u *)", args=[");
+ ++emsg_silent;
+ for (i = 0; i < self->argc; i++)
+ {
+ if (i != 0)
+ ga_concat(&repr_ga, (char_u *)", ");
+ ga_concat(&repr_ga, tv2string(&self->argv[i], &tofree, numbuf,
+ get_copyID()));
+ vim_free(tofree);
+ }
+ --emsg_silent;
+ ga_append(&repr_ga, ']');
+ }
+ if (self->self)
+ {
+ ga_concat(&repr_ga, (char_u *)", self=");
+ tv.v_type = VAR_DICT;
+ tv.vval.v_dict = self->self;
+ ++emsg_silent;
+ ga_concat(&repr_ga, tv2string(&tv, &tofree, numbuf, get_copyID()));
+ --emsg_silent;
+ vim_free(tofree);
+ if (self->auto_rebind)
+ ga_concat(&repr_ga, (char_u *)", auto_rebind=True");
+ }
+ ga_append(&repr_ga, '>');
+ ret = PyString_FromString((char *)repr_ga.ga_data);
+ ga_clear(&repr_ga);
+ return ret;
+}
+
+static struct PyMethodDef FunctionMethods[] = {
+ {"__dir__", (PyCFunction)FunctionDir, METH_NOARGS, ""},
+ { NULL, NULL, 0, NULL}
+};
+
+/*
+ * Options object
+ */
+
+static PyTypeObject OptionsType;
+
+typedef int (*checkfun)(void *);
+
+typedef struct
+{
+ PyObject_HEAD
+ int opt_type;
+ void *from;
+ checkfun Check;
+ PyObject *fromObj;
+} OptionsObject;
+
+ static int
+dummy_check(void *arg UNUSED)
+{
+ return 0;
+}
+
+ static PyObject *
+OptionsNew(int opt_type, void *from, checkfun Check, PyObject *fromObj)
+{
+ OptionsObject *self;
+
+ self = PyObject_GC_New(OptionsObject, &OptionsType);
+ if (self == NULL)
+ return NULL;
+
+ self->opt_type = opt_type;
+ self->from = from;
+ self->Check = Check;
+ self->fromObj = fromObj;
+ if (fromObj)
+ Py_INCREF(fromObj);
+
+ return (PyObject *)(self);
+}
+
+ static void
+OptionsDestructor(OptionsObject *self)
+{
+ PyObject_GC_UnTrack((void *)(self));
+ Py_XDECREF(self->fromObj);
+ PyObject_GC_Del((void *)(self));
+}
+
+ static int
+OptionsTraverse(OptionsObject *self, visitproc visit, void *arg)
+{
+ Py_VISIT(self->fromObj);
+ return 0;
+}
+
+ static int
+OptionsClear(OptionsObject *self)
+{
+ Py_CLEAR(self->fromObj);
+ return 0;
+}
+
+ static PyObject *
+OptionsItem(OptionsObject *self, PyObject *keyObject)
+{
+ char_u *key;
+ int flags;
+ long numval;
+ char_u *stringval;
+ PyObject *todecref;
+
+ if (self->Check(self->from))
+ return NULL;
+
+ if (!(key = StringToChars(keyObject, &todecref)))
+ return NULL;
+
+ if (*key == NUL)
+ {
+ RAISE_NO_EMPTY_KEYS;
+ Py_XDECREF(todecref);
+ return NULL;
+ }
+
+ flags = get_option_value_strict(key, &numval, &stringval,
+ self->opt_type, self->from);
+
+ Py_XDECREF(todecref);
+
+ if (flags == 0)
+ {
+ PyErr_SetObject(PyExc_KeyError, keyObject);
+ return NULL;
+ }
+
+ if (flags & SOPT_UNSET)
+ {
+ Py_INCREF(Py_None);
+ return Py_None;
+ }
+ else if (flags & SOPT_BOOL)
+ {
+ PyObject *ret;
+ ret = numval ? Py_True : Py_False;
+ Py_INCREF(ret);
+ return ret;
+ }
+ else if (flags & SOPT_NUM)
+ return PyInt_FromLong(numval);
+ else if (flags & SOPT_STRING)
+ {
+ if (stringval)
+ {
+ PyObject *ret = PyBytes_FromString((char *)stringval);
+ vim_free(stringval);
+ return ret;
+ }
+ else
+ {
+ PyErr_SET_STRING(PyExc_RuntimeError,
+ N_("unable to get option value"));
+ return NULL;
+ }
+ }
+ else
+ {
+ PyErr_SET_VIM(N_("internal error: unknown option type"));
+ return NULL;
+ }
+}
+
+ static int
+OptionsContains(OptionsObject *self, PyObject *keyObject)
+{
+ char_u *key;
+ PyObject *todecref;
+
+ if (!(key = StringToChars(keyObject, &todecref)))
+ return -1;
+
+ if (*key == NUL)
+ {
+ Py_XDECREF(todecref);
+ return 0;
+ }
+
+ if (get_option_value_strict(key, NULL, NULL, self->opt_type, NULL))
+ {
+ Py_XDECREF(todecref);
+ return 1;
+ }
+ else
+ {
+ Py_XDECREF(todecref);
+ return 0;
+ }
+}
+
+typedef struct
+{
+ void *lastoption;
+ int opt_type;
+} optiterinfo_T;
+
+ static PyObject *
+OptionsIterNext(optiterinfo_T **oii)
+{
+ char_u *name;
+
+ if ((name = option_iter_next(&((*oii)->lastoption), (*oii)->opt_type)))
+ return PyString_FromString((char *)name);
+
+ return NULL;
+}
+
+ static PyObject *
+OptionsIter(OptionsObject *self)
+{
+ optiterinfo_T *oii;
+
+ if (!(oii = PyMem_New(optiterinfo_T, 1)))
+ {
+ PyErr_NoMemory();
+ return NULL;
+ }
+
+ oii->opt_type = self->opt_type;
+ oii->lastoption = NULL;
+
+ return IterNew(oii,
+ (destructorfun) PyMem_Free, (nextfun) OptionsIterNext,
+ NULL, NULL);
+}
+
+ static int
+set_option_value_err(char_u *key, int numval, char_u *stringval, int opt_flags)
+{
+ char *errmsg;
+
+ if ((errmsg = set_option_value(key, numval, stringval, opt_flags)))
+ {
+ if (VimTryEnd())
+ return FAIL;
+ PyErr_SetVim(errmsg);
+ return FAIL;
+ }
+ return OK;
+}
+
+ static int
+set_option_value_for(
+ char_u *key,
+ int numval,
+ char_u *stringval,
+ int opt_flags,
+ int opt_type,
+ void *from)
+{
+ win_T *save_curwin = NULL;
+ tabpage_T *save_curtab = NULL;
+ bufref_T save_curbuf;
+ int set_ret = 0;
+
+ VimTryStart();
+ switch (opt_type)
+ {
+ case SREQ_WIN:
+ if (switch_win(&save_curwin, &save_curtab, (win_T *)from,
+ win_find_tabpage((win_T *)from), FALSE) == FAIL)
+ {
+ restore_win(save_curwin, save_curtab, TRUE);
+ if (VimTryEnd())
+ return -1;
+ PyErr_SET_VIM(N_("problem while switching windows"));
+ return -1;
+ }
+ set_ret = set_option_value_err(key, numval, stringval, opt_flags);
+ restore_win(save_curwin, save_curtab, TRUE);
+ break;
+ case SREQ_BUF:
+ switch_buffer(&save_curbuf, (buf_T *)from);
+ set_ret = set_option_value_err(key, numval, stringval, opt_flags);
+ restore_buffer(&save_curbuf);
+ break;
+ case SREQ_GLOBAL:
+ set_ret = set_option_value_err(key, numval, stringval, opt_flags);
+ break;
+ }
+ if (set_ret == FAIL)
+ return -1;
+ return VimTryEnd();
+}
+
+ static int
+OptionsAssItem(OptionsObject *self, PyObject *keyObject, PyObject *valObject)
+{
+ char_u *key;
+ int flags;
+ int opt_flags;
+ int ret = 0;
+ PyObject *todecref;
+
+ if (self->Check(self->from))
+ return -1;
+
+ if (!(key = StringToChars(keyObject, &todecref)))
+ return -1;
+
+ if (*key == NUL)
+ {
+ RAISE_NO_EMPTY_KEYS;
+ Py_XDECREF(todecref);
+ return -1;
+ }
+
+ flags = get_option_value_strict(key, NULL, NULL,
+ self->opt_type, self->from);
+
+ if (flags == 0)
+ {
+ PyErr_SetObject(PyExc_KeyError, keyObject);
+ Py_XDECREF(todecref);
+ return -1;
+ }
+
+ if (valObject == NULL)
+ {
+ if (self->opt_type == SREQ_GLOBAL)
+ {
+ PyErr_FORMAT(PyExc_ValueError,
+ N_("unable to unset global option %s"), key);
+ Py_XDECREF(todecref);
+ return -1;
+ }
+ else if (!(flags & SOPT_GLOBAL))
+ {
+ PyErr_FORMAT(PyExc_ValueError,
+ N_("unable to unset option %s "
+ "which does not have global value"), key);
+ Py_XDECREF(todecref);
+ return -1;
+ }
+ else
+ {
+ unset_global_local_option(key, self->from);
+ Py_XDECREF(todecref);
+ return 0;
+ }
+ }
+
+ opt_flags = (self->opt_type ? OPT_LOCAL : OPT_GLOBAL);
+
+ if (flags & SOPT_BOOL)
+ {
+ int istrue = PyObject_IsTrue(valObject);
+
+ if (istrue == -1)
+ ret = -1;
+ else
+ ret = set_option_value_for(key, istrue, NULL,
+ opt_flags, self->opt_type, self->from);
+ }
+ else if (flags & SOPT_NUM)
+ {
+ long val;
+
+ if (NumberToLong(valObject, &val, NUMBER_INT))
+ {
+ Py_XDECREF(todecref);
+ return -1;
+ }
+
+ ret = set_option_value_for(key, (int) val, NULL, opt_flags,
+ self->opt_type, self->from);
+ }
+ else
+ {
+ char_u *val;
+ PyObject *todecref2;
+
+ if ((val = StringToChars(valObject, &todecref2)))
+ {
+ ret = set_option_value_for(key, 0, val, opt_flags,
+ self->opt_type, self->from);
+ Py_XDECREF(todecref2);
+ }
+ else
+ ret = -1;
+ }
+
+ Py_XDECREF(todecref);
+
+ return ret;
+}
+
+static PySequenceMethods OptionsAsSeq = {
+ 0, /* sq_length */
+ 0, /* sq_concat */
+ 0, /* sq_repeat */
+ 0, /* sq_item */
+ 0, /* sq_slice */
+ 0, /* sq_ass_item */
+ 0, /* sq_ass_slice */
+ (objobjproc) OptionsContains, /* sq_contains */
+ 0, /* sq_inplace_concat */
+ 0, /* sq_inplace_repeat */
+};
+
+static PyMappingMethods OptionsAsMapping = {
+ (lenfunc) NULL,
+ (binaryfunc) OptionsItem,
+ (objobjargproc) OptionsAssItem,
+};
+
+/* Tabpage object
+ */
+
+typedef struct
+{
+ PyObject_HEAD
+ tabpage_T *tab;
+} TabPageObject;
+
+static PyObject *WinListNew(TabPageObject *tabObject);
+
+static PyTypeObject TabPageType;
+
+ static int
+CheckTabPage(TabPageObject *self)
+{
+ if (self->tab == INVALID_TABPAGE_VALUE)
+ {
+ PyErr_SET_VIM(N_("attempt to refer to deleted tab page"));
+ return -1;
+ }
+
+ return 0;
+}
+
+ static PyObject *
+TabPageNew(tabpage_T *tab)
+{
+ TabPageObject *self;
+
+ if (TAB_PYTHON_REF(tab))
+ {
+ self = TAB_PYTHON_REF(tab);
+ Py_INCREF(self);
+ }
+ else
+ {
+ self = PyObject_NEW(TabPageObject, &TabPageType);
+ if (self == NULL)
+ return NULL;
+ self->tab = tab;
+ TAB_PYTHON_REF(tab) = self;
+ }
+
+ return (PyObject *)(self);
+}
+
+ static void
+TabPageDestructor(TabPageObject *self)
+{
+ if (self->tab && self->tab != INVALID_TABPAGE_VALUE)
+ TAB_PYTHON_REF(self->tab) = NULL;
+
+ DESTRUCTOR_FINISH(self);
+}
+
+static char *TabPageAttrs[] = {
+ "windows", "number", "vars", "window", "valid",
+ NULL
+};
+
+ static PyObject *
+TabPageDir(PyObject *self)
+{
+ return ObjectDir(self, TabPageAttrs);
+}
+
+ static PyObject *
+TabPageAttrValid(TabPageObject *self, char *name)
+{
+ PyObject *ret;
+
+ if (strcmp(name, "valid") != 0)
+ return NULL;
+
+ ret = ((self->tab == INVALID_TABPAGE_VALUE) ? Py_False : Py_True);
+ Py_INCREF(ret);
+ return ret;
+}
+
+ static PyObject *
+TabPageAttr(TabPageObject *self, char *name)
+{
+ if (strcmp(name, "windows") == 0)
+ return WinListNew(self);
+ else if (strcmp(name, "number") == 0)
+ return PyLong_FromLong((long) get_tab_number(self->tab));
+ else if (strcmp(name, "vars") == 0)
+ return NEW_DICTIONARY(self->tab->tp_vars);
+ else if (strcmp(name, "window") == 0)
+ {
+ /* For current tab window.c does not bother to set or update tp_curwin
+ */
+ if (self->tab == curtab)
+ return WindowNew(curwin, curtab);
+ else
+ return WindowNew(self->tab->tp_curwin, self->tab);
+ }
+ else if (strcmp(name, "__members__") == 0)
+ return ObjectDir(NULL, TabPageAttrs);
+ return NULL;
+}
+
+ static PyObject *
+TabPageRepr(TabPageObject *self)
+{
+ if (self->tab == INVALID_TABPAGE_VALUE)
+ return PyString_FromFormat("<tabpage object (deleted) at %p>", (self));
+ else
+ {
+ int t = get_tab_number(self->tab);
+
+ if (t == 0)
+ return PyString_FromFormat("<tabpage object (unknown) at %p>",
+ (self));
+ else
+ return PyString_FromFormat("<tabpage %d>", t - 1);
+ }
+}
+
+static struct PyMethodDef TabPageMethods[] = {
+ /* name, function, calling, documentation */
+ {"__dir__", (PyCFunction)TabPageDir, METH_NOARGS, ""},
+ { NULL, NULL, 0, NULL}
+};
+
+/*
+ * Window list object
+ */
+
+static PyTypeObject TabListType;
+static PySequenceMethods TabListAsSeq;
+
+typedef struct
+{
+ PyObject_HEAD
+} TabListObject;
+
+ static PyInt
+TabListLength(PyObject *self UNUSED)
+{
+ tabpage_T *tp = first_tabpage;
+ PyInt n = 0;
+
+ while (tp != NULL)
+ {
+ ++n;
+ tp = tp->tp_next;
+ }
+
+ return n;
+}
+
+ static PyObject *
+TabListItem(PyObject *self UNUSED, PyInt n)
+{
+ tabpage_T *tp;
+
+ for (tp = first_tabpage; tp != NULL; tp = tp->tp_next, --n)
+ if (n == 0)
+ return TabPageNew(tp);
+
+ PyErr_SET_STRING(PyExc_IndexError, N_("no such tab page"));
+ return NULL;
+}
+
+/*
+ * Window object
+ */
+
+typedef struct
+{
+ PyObject_HEAD
+ win_T *win;
+ TabPageObject *tabObject;
+} WindowObject;
+
+static PyTypeObject WindowType;
+
+ static int
+CheckWindow(WindowObject *self)
+{
+ if (self->win == INVALID_WINDOW_VALUE)
+ {
+ PyErr_SET_VIM(N_("attempt to refer to deleted window"));
+ return -1;
+ }
+
+ return 0;
+}
+
+ static PyObject *
+WindowNew(win_T *win, tabpage_T *tab)
+{
+ /* We need to handle deletion of windows underneath us.
+ * If we add a "w_python*_ref" field to the win_T structure,
+ * then we can get at it in win_free() in vim. We then
+ * need to create only ONE Python object per window - if
+ * we try to create a second, just INCREF the existing one
+ * and return it. The (single) Python object referring to
+ * the window is stored in "w_python*_ref".
+ * On a win_free() we set the Python object's win_T* field
+ * to an invalid value. We trap all uses of a window
+ * object, and reject them if the win_T* field is invalid.
+ *
+ * Python2 and Python3 get different fields and different objects:
+ * w_python_ref and w_python3_ref fields respectively.
+ */
+
+ WindowObject *self;
+
+ if (WIN_PYTHON_REF(win))
+ {
+ self = WIN_PYTHON_REF(win);
+ Py_INCREF(self);
+ }
+ else
+ {
+ self = PyObject_GC_New(WindowObject, &WindowType);
+ if (self == NULL)
+ return NULL;
+ self->win = win;
+ WIN_PYTHON_REF(win) = self;
+ }
+
+ self->tabObject = ((TabPageObject *)(TabPageNew(tab)));
+
+ return (PyObject *)(self);
+}
+
+ static void
+WindowDestructor(WindowObject *self)
+{
+ PyObject_GC_UnTrack((void *)(self));
+ if (self->win && self->win != INVALID_WINDOW_VALUE)
+ WIN_PYTHON_REF(self->win) = NULL;
+ Py_XDECREF(((PyObject *)(self->tabObject)));
+ PyObject_GC_Del((void *)(self));
+}
+
+ static int
+WindowTraverse(WindowObject *self, visitproc visit, void *arg)
+{
+ Py_VISIT(((PyObject *)(self->tabObject)));
+ return 0;
+}
+
+ static int
+WindowClear(WindowObject *self)
+{
+ Py_CLEAR(self->tabObject);
+ return 0;
+}
+
+ static win_T *
+get_firstwin(TabPageObject *tabObject)
+{
+ if (tabObject)
+ {
+ if (CheckTabPage(tabObject))
+ return NULL;
+ /* For current tab window.c does not bother to set or update tp_firstwin
+ */
+ else if (tabObject->tab == curtab)
+ return firstwin;
+ else
+ return tabObject->tab->tp_firstwin;
+ }
+ else
+ return firstwin;
+}
+
+// Use the same order as in the WindowAttr() function.
+static char *WindowAttrs[] = {
+ "buffer",
+ "cursor",
+ "height",
+ "row",
+ "width",
+ "col",
+ "vars",
+ "options",
+ "number",
+ "tabpage",
+ "valid",
+ NULL
+};
+
+ static PyObject *
+WindowDir(PyObject *self)
+{
+ return ObjectDir(self, WindowAttrs);
+}
+
+ static PyObject *
+WindowAttrValid(WindowObject *self, char *name)
+{
+ PyObject *ret;
+
+ if (strcmp(name, "valid") != 0)
+ return NULL;
+
+ ret = ((self->win == INVALID_WINDOW_VALUE) ? Py_False : Py_True);
+ Py_INCREF(ret);
+ return ret;
+}
+
+ static PyObject *
+WindowAttr(WindowObject *self, char *name)
+{
+ if (strcmp(name, "buffer") == 0)
+ return (PyObject *)BufferNew(self->win->w_buffer);
+ else if (strcmp(name, "cursor") == 0)
+ {
+ pos_T *pos = &self->win->w_cursor;
+
+ return Py_BuildValue("(ll)", (long)(pos->lnum), (long)(pos->col));
+ }
+ else if (strcmp(name, "height") == 0)
+ return PyLong_FromLong((long)(self->win->w_height));
+ else if (strcmp(name, "row") == 0)
+ return PyLong_FromLong((long)(self->win->w_winrow));
+ else if (strcmp(name, "width") == 0)
+ return PyLong_FromLong((long)(self->win->w_width));
+ else if (strcmp(name, "col") == 0)
+ return PyLong_FromLong((long)(self->win->w_wincol));
+ else if (strcmp(name, "vars") == 0)
+ return NEW_DICTIONARY(self->win->w_vars);
+ else if (strcmp(name, "options") == 0)
+ return OptionsNew(SREQ_WIN, self->win, (checkfun) CheckWindow,
+ (PyObject *) self);
+ else if (strcmp(name, "number") == 0)
+ {
+ if (CheckTabPage(self->tabObject))
+ return NULL;
+ return PyLong_FromLong((long)
+ get_win_number(self->win, get_firstwin(self->tabObject)));
+ }
+ else if (strcmp(name, "tabpage") == 0)
+ {
+ Py_INCREF(self->tabObject);
+ return (PyObject *)(self->tabObject);
+ }
+ else if (strcmp(name, "__members__") == 0)
+ return ObjectDir(NULL, WindowAttrs);
+ else
+ return NULL;
+}
+
+ static int
+WindowSetattr(WindowObject *self, char *name, PyObject *valObject)
+{
+ if (CheckWindow(self))
+ return -1;
+
+ if (strcmp(name, "buffer") == 0)
+ {
+ PyErr_SET_STRING(PyExc_TypeError, N_("readonly attribute: buffer"));
+ return -1;
+ }
+ else if (strcmp(name, "cursor") == 0)
+ {
+ long lnum;
+ long col;
+
+ if (!PyArg_Parse(valObject, "(ll)", &lnum, &col))
+ return -1;
+
+ if (lnum <= 0 || lnum > self->win->w_buffer->b_ml.ml_line_count)
+ {
+ PyErr_SET_VIM(N_("cursor position outside buffer"));
+ return -1;
+ }
+
+ /* Check for keyboard interrupts */
+ if (VimCheckInterrupt())
+ return -1;
+
+ self->win->w_cursor.lnum = lnum;
+ self->win->w_cursor.col = col;
+ self->win->w_set_curswant = TRUE;
+ self->win->w_cursor.coladd = 0;
+ /* When column is out of range silently correct it. */
+ check_cursor_col_win(self->win);
+
+ update_screen(VALID);
+ return 0;
+ }
+ else if (strcmp(name, "height") == 0)
+ {
+ long height;
+ win_T *savewin;
+
+ if (NumberToLong(valObject, &height, NUMBER_INT|NUMBER_UNSIGNED))
+ return -1;
+
+#ifdef FEAT_GUI
+ need_mouse_correct = TRUE;
+#endif
+ savewin = curwin;
+ curwin = self->win;
+
+ VimTryStart();
+ win_setheight((int) height);
+ curwin = savewin;
+ if (VimTryEnd())
+ return -1;
+
+ return 0;
+ }
+ else if (strcmp(name, "width") == 0)
+ {
+ long width;
+ win_T *savewin;
+
+ if (NumberToLong(valObject, &width, NUMBER_INT|NUMBER_UNSIGNED))
+ return -1;
+
+#ifdef FEAT_GUI
+ need_mouse_correct = TRUE;
+#endif
+ savewin = curwin;
+ curwin = self->win;
+
+ VimTryStart();
+ win_setwidth((int) width);
+ curwin = savewin;
+ if (VimTryEnd())
+ return -1;
+
+ return 0;
+ }
+ else
+ {
+ PyErr_SetString(PyExc_AttributeError, name);
+ return -1;
+ }
+}
+
+ static PyObject *
+WindowRepr(WindowObject *self)
+{
+ if (self->win == INVALID_WINDOW_VALUE)
+ return PyString_FromFormat("<window object (deleted) at %p>", (self));
+ else
+ {
+ int w = get_win_number(self->win, firstwin);
+
+ if (w == 0)
+ return PyString_FromFormat("<window object (unknown) at %p>",
+ (self));
+ else
+ return PyString_FromFormat("<window %d>", w - 1);
+ }
+}
+
+static struct PyMethodDef WindowMethods[] = {
+ /* name, function, calling, documentation */
+ {"__dir__", (PyCFunction)WindowDir, METH_NOARGS, ""},
+ { NULL, NULL, 0, NULL}
+};
+
+/*
+ * Window list object
+ */
+
+static PyTypeObject WinListType;
+static PySequenceMethods WinListAsSeq;
+
+typedef struct
+{
+ PyObject_HEAD
+ TabPageObject *tabObject;
+} WinListObject;
+
+ static PyObject *
+WinListNew(TabPageObject *tabObject)
+{
+ WinListObject *self;
+
+ self = PyObject_NEW(WinListObject, &WinListType);
+ self->tabObject = tabObject;
+ Py_INCREF(tabObject);
+
+ return (PyObject *)(self);
+}
+
+ static void
+WinListDestructor(WinListObject *self)
+{
+ TabPageObject *tabObject = self->tabObject;
+
+ if (tabObject)
+ {
+ Py_DECREF((PyObject *)(tabObject));
+ }
+
+ DESTRUCTOR_FINISH(self);
+}
+
+ static PyInt
+WinListLength(WinListObject *self)
+{
+ win_T *w;
+ PyInt n = 0;
+
+ if (!(w = get_firstwin(self->tabObject)))
+ return -1;
+
+ while (w != NULL)
+ {
+ ++n;
+ w = W_NEXT(w);
+ }
+
+ return n;
+}
+
+ static PyObject *
+WinListItem(WinListObject *self, PyInt n)
+{
+ win_T *w;
+
+ if (!(w = get_firstwin(self->tabObject)))
+ return NULL;
+
+ for (; w != NULL; w = W_NEXT(w), --n)
+ if (n == 0)
+ return WindowNew(w, self->tabObject? self->tabObject->tab: curtab);
+
+ PyErr_SET_STRING(PyExc_IndexError, N_("no such window"));
+ return NULL;
+}
+
+/* Convert a Python string into a Vim line.
+ *
+ * The result is in allocated memory. All internal nulls are replaced by
+ * newline characters. It is an error for the string to contain newline
+ * characters.
+ *
+ * On errors, the Python exception data is set, and NULL is returned.
+ */
+ static char *
+StringToLine(PyObject *obj)
+{
+ char *str;
+ char *save;
+ PyObject *bytes = NULL;
+ Py_ssize_t len = 0;
+ PyInt i;
+ char *p;
+
+ if (PyBytes_Check(obj))
+ {
+ if (PyBytes_AsStringAndSize(obj, &str, &len) == -1
+ || str == NULL)
+ return NULL;
+ }
+ else if (PyUnicode_Check(obj))
+ {
+ if (!(bytes = PyUnicode_AsEncodedString(obj, ENC_OPT, NULL)))
+ return NULL;
+
+ if (PyBytes_AsStringAndSize(bytes, &str, &len) == -1
+ || str == NULL)
+ {
+ Py_DECREF(bytes);
+ return NULL;
+ }
+ }
+ else
+ {
+#if PY_MAJOR_VERSION < 3
+ PyErr_FORMAT(PyExc_TypeError,
+ N_("expected str() or unicode() instance, but got %s"),
+ Py_TYPE_NAME(obj));
+#else
+ PyErr_FORMAT(PyExc_TypeError,
+ N_("expected bytes() or str() instance, but got %s"),
+ Py_TYPE_NAME(obj));
+#endif
+ return NULL;
+ }
+
+ /*
+ * Error checking: String must not contain newlines, as we
+ * are replacing a single line, and we must replace it with
+ * a single line.
+ * A trailing newline is removed, so that append(f.readlines()) works.
+ */
+ p = memchr(str, '\n', len);
+ if (p != NULL)
+ {
+ if (p == str + len - 1)
+ --len;
+ else
+ {
+ PyErr_SET_VIM(N_("string cannot contain newlines"));
+ Py_XDECREF(bytes);
+ return NULL;
+ }
+ }
+
+ /* Create a copy of the string, with internal nulls replaced by
+ * newline characters, as is the vim convention.
+ */
+ save = (char *)alloc((unsigned)(len+1));
+ if (save == NULL)
+ {
+ PyErr_NoMemory();
+ Py_XDECREF(bytes);
+ return NULL;
+ }
+
+ for (i = 0; i < len; ++i)
+ {
+ if (str[i] == '\0')
+ save[i] = '\n';
+ else
+ save[i] = str[i];
+ }
+
+ save[i] = '\0';
+ Py_XDECREF(bytes); /* Python 2 does nothing here */
+
+ return save;
+}
+
+/* Get a line from the specified buffer. The line number is
+ * in Vim format (1-based). The line is returned as a Python
+ * string object.
+ */
+ static PyObject *
+GetBufferLine(buf_T *buf, PyInt n)
+{
+ return LineToString((char *)ml_get_buf(buf, (linenr_T)n, FALSE));
+}
+
+
+/* Get a list of lines from the specified buffer. The line numbers
+ * are in Vim format (1-based). The range is from lo up to, but not
+ * including, hi. The list is returned as a Python list of string objects.
+ */
+ static PyObject *
+GetBufferLineList(buf_T *buf, PyInt lo, PyInt hi)
+{
+ PyInt i;
+ PyInt n = hi - lo;
+ PyObject *list = PyList_New(n);
+
+ if (list == NULL)
+ return NULL;
+
+ for (i = 0; i < n; ++i)
+ {
+ PyObject *string = LineToString(
+ (char *)ml_get_buf(buf, (linenr_T)(lo+i), FALSE));
+
+ /* Error check - was the Python string creation OK? */
+ if (string == NULL)
+ {
+ Py_DECREF(list);
+ return NULL;
+ }
+
+ PyList_SET_ITEM(list, i, string);
+ }
+
+ /* The ownership of the Python list is passed to the caller (ie,
+ * the caller should Py_DECREF() the object when it is finished
+ * with it).
+ */
+
+ return list;
+}
+
+/*
+ * Check if deleting lines made the cursor position invalid.
+ * Changed the lines from "lo" to "hi" and added "extra" lines (negative if
+ * deleted).
+ */
+ static void
+py_fix_cursor(linenr_T lo, linenr_T hi, linenr_T extra)
+{
+ if (curwin->w_cursor.lnum >= lo)
+ {
+ /* Adjust the cursor position if it's in/after the changed
+ * lines. */
+ if (curwin->w_cursor.lnum >= hi)
+ {
+ curwin->w_cursor.lnum += extra;
+ check_cursor_col();
+ }
+ else if (extra < 0)
+ {
+ curwin->w_cursor.lnum = lo;
+ check_cursor();
+ }
+ else
+ check_cursor_col();
+ changed_cline_bef_curs();
+ }
+ invalidate_botline();
+}
+
+/*
+ * Replace a line in the specified buffer. The line number is
+ * in Vim format (1-based). The replacement line is given as
+ * a Python string object. The object is checked for validity
+ * and correct format. Errors are returned as a value of FAIL.
+ * The return value is OK on success.
+ * If OK is returned and len_change is not NULL, *len_change
+ * is set to the change in the buffer length.
+ */
+ static int
+SetBufferLine(buf_T *buf, PyInt n, PyObject *line, PyInt *len_change)
+{
+ bufref_T save_curbuf = {NULL, 0, 0};
+ win_T *save_curwin = NULL;
+ tabpage_T *save_curtab = NULL;
+
+ /* First of all, we check the type of the supplied Python object.
+ * There are three cases:
+ * 1. NULL, or None - this is a deletion.
+ * 2. A string - this is a replacement.
+ * 3. Anything else - this is an error.
+ */
+ if (line == Py_None || line == NULL)
+ {
+ PyErr_Clear();
+ switch_to_win_for_buf(buf, &save_curwin, &save_curtab, &save_curbuf);
+
+ VimTryStart();
+
+ if (u_savedel((linenr_T)n, 1L) == FAIL)
+ RAISE_UNDO_FAIL;
+ else if (ml_delete((linenr_T)n, FALSE) == FAIL)
+ RAISE_DELETE_LINE_FAIL;
+ else
+ {
+ if (buf == curbuf)
+ py_fix_cursor((linenr_T)n, (linenr_T)n + 1, (linenr_T)-1);
+ if (save_curbuf.br_buf == NULL)
+ /* Only adjust marks if we managed to switch to a window that
+ * holds the buffer, otherwise line numbers will be invalid. */
+ deleted_lines_mark((linenr_T)n, 1L);
+ }
+
+ restore_win_for_buf(save_curwin, save_curtab, &save_curbuf);
+
+ if (VimTryEnd())
+ return FAIL;
+
+ if (len_change)
+ *len_change = -1;
+
+ return OK;
+ }
+ else if (PyBytes_Check(line) || PyUnicode_Check(line))
+ {
+ char *save = StringToLine(line);
+
+ if (save == NULL)
+ return FAIL;
+
+ VimTryStart();
+
+ /* We do not need to free "save" if ml_replace() consumes it. */
+ PyErr_Clear();
+ switch_to_win_for_buf(buf, &save_curwin, &save_curtab, &save_curbuf);
+
+ if (u_savesub((linenr_T)n) == FAIL)
+ {
+ RAISE_UNDO_FAIL;
+ vim_free(save);
+ }
+ else if (ml_replace((linenr_T)n, (char_u *)save, FALSE) == FAIL)
+ {
+ RAISE_REPLACE_LINE_FAIL;
+ vim_free(save);
+ }
+ else
+ changed_bytes((linenr_T)n, 0);
+
+ restore_win_for_buf(save_curwin, save_curtab, &save_curbuf);
+
+ /* Check that the cursor is not beyond the end of the line now. */
+ if (buf == curbuf)
+ check_cursor_col();
+
+ if (VimTryEnd())
+ return FAIL;
+
+ if (len_change)
+ *len_change = 0;
+
+ return OK;
+ }
+ else
+ {
+ PyErr_BadArgument();
+ return FAIL;
+ }
+}
+
+/* Replace a range of lines in the specified buffer. The line numbers are in
+ * Vim format (1-based). The range is from lo up to, but not including, hi.
+ * The replacement lines are given as a Python list of string objects. The
+ * list is checked for validity and correct format. Errors are returned as a
+ * value of FAIL. The return value is OK on success.
+ * If OK is returned and len_change is not NULL, *len_change
+ * is set to the change in the buffer length.
+ */
+ static int
+SetBufferLineList(
+ buf_T *buf,
+ PyInt lo,
+ PyInt hi,
+ PyObject *list,
+ PyInt *len_change)
+{
+ bufref_T save_curbuf = {NULL, 0, 0};
+ win_T *save_curwin = NULL;
+ tabpage_T *save_curtab = NULL;
+
+ /* First of all, we check the type of the supplied Python object.
+ * There are three cases:
+ * 1. NULL, or None - this is a deletion.
+ * 2. A list - this is a replacement.
+ * 3. Anything else - this is an error.
+ */
+ if (list == Py_None || list == NULL)
+ {
+ PyInt i;
+ PyInt n = (int)(hi - lo);
+
+ PyErr_Clear();
+ VimTryStart();
+ switch_to_win_for_buf(buf, &save_curwin, &save_curtab, &save_curbuf);
+
+ if (u_savedel((linenr_T)lo, (long)n) == FAIL)
+ RAISE_UNDO_FAIL;
+ else
+ {
+ for (i = 0; i < n; ++i)
+ {
+ if (ml_delete((linenr_T)lo, FALSE) == FAIL)
+ {
+ RAISE_DELETE_LINE_FAIL;
+ break;
+ }
+ }
+ if (buf == curbuf && (save_curwin != NULL
+ || save_curbuf.br_buf == NULL))
+ /* Using an existing window for the buffer, adjust the cursor
+ * position. */
+ py_fix_cursor((linenr_T)lo, (linenr_T)hi, (linenr_T)-n);
+ if (save_curbuf.br_buf == NULL)
+ /* Only adjust marks if we managed to switch to a window that
+ * holds the buffer, otherwise line numbers will be invalid. */
+ deleted_lines_mark((linenr_T)lo, (long)i);
+ }
+
+ restore_win_for_buf(save_curwin, save_curtab, &save_curbuf);
+
+ if (VimTryEnd())
+ return FAIL;
+
+ if (len_change)
+ *len_change = -n;
+
+ return OK;
+ }
+ else if (PyList_Check(list))
+ {
+ PyInt i;
+ PyInt new_len = PyList_Size(list);
+ PyInt old_len = hi - lo;
+ PyInt extra = 0; /* lines added to text, can be negative */
+ char **array;
+
+ if (new_len == 0) /* avoid allocating zero bytes */
+ array = NULL;
+ else
+ {
+ array = PyMem_New(char *, new_len);
+ if (array == NULL)
+ {
+ PyErr_NoMemory();
+ return FAIL;
+ }
+ }
+
+ for (i = 0; i < new_len; ++i)
+ {
+ PyObject *line;
+
+ if (!(line = PyList_GetItem(list, i)) ||
+ !(array[i] = StringToLine(line)))
+ {
+ while (i)
+ vim_free(array[--i]);
+ PyMem_Free(array);
+ return FAIL;
+ }
+ }
+
+ VimTryStart();
+ PyErr_Clear();
+
+ /* START of region without "return". Must call restore_buffer()! */
+ switch_to_win_for_buf(buf, &save_curwin, &save_curtab, &save_curbuf);
+
+ if (u_save((linenr_T)(lo-1), (linenr_T)hi) == FAIL)
+ RAISE_UNDO_FAIL;
+
+ /* If the size of the range is reducing (ie, new_len < old_len) we
+ * need to delete some old_len. We do this at the start, by
+ * repeatedly deleting line "lo".
+ */
+ if (!PyErr_Occurred())
+ {
+ for (i = 0; i < old_len - new_len; ++i)
+ if (ml_delete((linenr_T)lo, FALSE) == FAIL)
+ {
+ RAISE_DELETE_LINE_FAIL;
+ break;
+ }
+ extra -= i;
+ }
+
+ /* For as long as possible, replace the existing old_len with the
+ * new old_len. This is a more efficient operation, as it requires
+ * less memory allocation and freeing.
+ */
+ if (!PyErr_Occurred())
+ {
+ for (i = 0; i < old_len && i < new_len; ++i)
+ if (ml_replace((linenr_T)(lo+i), (char_u *)array[i], FALSE)
+ == FAIL)
+ {
+ RAISE_REPLACE_LINE_FAIL;
+ break;
+ }
+ }
+ else
+ i = 0;
+
+ /* Now we may need to insert the remaining new old_len. If we do, we
+ * must free the strings as we finish with them (we can't pass the
+ * responsibility to vim in this case).
+ */
+ if (!PyErr_Occurred())
+ {
+ while (i < new_len)
+ {
+ if (ml_append((linenr_T)(lo + i - 1),
+ (char_u *)array[i], 0, FALSE) == FAIL)
+ {
+ RAISE_INSERT_LINE_FAIL;
+ break;
+ }
+ vim_free(array[i]);
+ ++i;
+ ++extra;
+ }
+ }
+
+ /* Free any left-over old_len, as a result of an error */
+ while (i < new_len)
+ {
+ vim_free(array[i]);
+ ++i;
+ }
+
+ /* Free the array of old_len. All of its contents have now
+ * been dealt with (either freed, or the responsibility passed
+ * to vim.
+ */
+ PyMem_Free(array);
+
+ /* Adjust marks. Invalidate any which lie in the
+ * changed range, and move any in the remainder of the buffer.
+ * Only adjust marks if we managed to switch to a window that holds
+ * the buffer, otherwise line numbers will be invalid. */
+ if (save_curbuf.br_buf == NULL)
+ mark_adjust((linenr_T)lo, (linenr_T)(hi - 1),
+ (long)MAXLNUM, (long)extra);
+ changed_lines((linenr_T)lo, 0, (linenr_T)hi, (long)extra);
+
+ if (buf == curbuf)
+ py_fix_cursor((linenr_T)lo, (linenr_T)hi, (linenr_T)extra);
+
+ /* END of region without "return". */
+ restore_win_for_buf(save_curwin, save_curtab, &save_curbuf);
+
+ if (VimTryEnd())
+ return FAIL;
+
+ if (len_change)
+ *len_change = new_len - old_len;
+
+ return OK;
+ }
+ else
+ {
+ PyErr_BadArgument();
+ return FAIL;
+ }
+}
+
+/* Insert a number of lines into the specified buffer after the specified line.
+ * The line number is in Vim format (1-based). The lines to be inserted are
+ * given as a Python list of string objects or as a single string. The lines
+ * to be added are checked for validity and correct format. Errors are
+ * returned as a value of FAIL. The return value is OK on success.
+ * If OK is returned and len_change is not NULL, *len_change
+ * is set to the change in the buffer length.
+ */
+ static int
+InsertBufferLines(buf_T *buf, PyInt n, PyObject *lines, PyInt *len_change)
+{
+ bufref_T save_curbuf = {NULL, 0, 0};
+ win_T *save_curwin = NULL;
+ tabpage_T *save_curtab = NULL;
+
+ /* First of all, we check the type of the supplied Python object.
+ * It must be a string or a list, or the call is in error.
+ */
+ if (PyBytes_Check(lines) || PyUnicode_Check(lines))
+ {
+ char *str = StringToLine(lines);
+
+ if (str == NULL)
+ return FAIL;
+
+ PyErr_Clear();
+ VimTryStart();
+ switch_to_win_for_buf(buf, &save_curwin, &save_curtab, &save_curbuf);
+
+ if (u_save((linenr_T)n, (linenr_T)(n + 1)) == FAIL)
+ RAISE_UNDO_FAIL;
+ else if (ml_append((linenr_T)n, (char_u *)str, 0, FALSE) == FAIL)
+ RAISE_INSERT_LINE_FAIL;
+ else if (save_curbuf.br_buf == NULL)
+ /* Only adjust marks if we managed to switch to a window that
+ * holds the buffer, otherwise line numbers will be invalid. */
+ appended_lines_mark((linenr_T)n, 1L);
+
+ vim_free(str);
+ restore_win_for_buf(save_curwin, save_curtab, &save_curbuf);
+ update_screen(VALID);
+
+ if (VimTryEnd())
+ return FAIL;
+
+ if (len_change)
+ *len_change = 1;
+
+ return OK;
+ }
+ else if (PyList_Check(lines))
+ {
+ PyInt i;
+ PyInt size = PyList_Size(lines);
+ char **array;
+
+ array = PyMem_New(char *, size);
+ if (array == NULL)
+ {
+ PyErr_NoMemory();
+ return FAIL;
+ }
+
+ for (i = 0; i < size; ++i)
+ {
+ PyObject *line;
+
+ if (!(line = PyList_GetItem(lines, i)) ||
+ !(array[i] = StringToLine(line)))
+ {
+ while (i)
+ vim_free(array[--i]);
+ PyMem_Free(array);
+ return FAIL;
+ }
+ }
+
+ PyErr_Clear();
+ VimTryStart();
+ switch_to_win_for_buf(buf, &save_curwin, &save_curtab, &save_curbuf);
+
+ if (u_save((linenr_T)n, (linenr_T)(n + 1)) == FAIL)
+ RAISE_UNDO_FAIL;
+ else
+ {
+ for (i = 0; i < size; ++i)
+ {
+ if (ml_append((linenr_T)(n + i),
+ (char_u *)array[i], 0, FALSE) == FAIL)
+ {
+ RAISE_INSERT_LINE_FAIL;
+
+ /* Free the rest of the lines */
+ while (i < size)
+ vim_free(array[i++]);
+
+ break;
+ }
+ vim_free(array[i]);
+ }
+ if (i > 0 && save_curbuf.br_buf == NULL)
+ /* Only adjust marks if we managed to switch to a window that
+ * holds the buffer, otherwise line numbers will be invalid. */
+ appended_lines_mark((linenr_T)n, (long)i);
+ }
+
+ /* Free the array of lines. All of its contents have now
+ * been freed. */
+ PyMem_Free(array);
+ restore_win_for_buf(save_curwin, save_curtab, &save_curbuf);
+
+ update_screen(VALID);
+
+ if (VimTryEnd())
+ return FAIL;
+
+ if (len_change)
+ *len_change = size;
+
+ return OK;
+ }
+ else
+ {
+ PyErr_BadArgument();
+ return FAIL;
+ }
+}
+
+/*
+ * Common routines for buffers and line ranges
+ * -------------------------------------------
+ */
+
+typedef struct
+{
+ PyObject_HEAD
+ buf_T *buf;
+} BufferObject;
+
+ static int
+CheckBuffer(BufferObject *self)
+{
+ if (self->buf == INVALID_BUFFER_VALUE)
+ {
+ PyErr_SET_VIM(N_("attempt to refer to deleted buffer"));
+ return -1;
+ }
+
+ return 0;
+}
+
+ static PyObject *
+RBItem(BufferObject *self, PyInt n, PyInt start, PyInt end)
+{
+ if (CheckBuffer(self))
+ return NULL;
+
+ if (end == -1)
+ end = self->buf->b_ml.ml_line_count;
+
+ if (n < 0)
+ n += end - start + 1;
+
+ if (n < 0 || n > end - start)
+ {
+ PyErr_SET_STRING(PyExc_IndexError, N_("line number out of range"));
+ return NULL;
+ }
+
+ return GetBufferLine(self->buf, n+start);
+}
+
+ static PyObject *
+RBSlice(BufferObject *self, PyInt lo, PyInt hi, PyInt start, PyInt end)
+{
+ PyInt size;
+
+ if (CheckBuffer(self))
+ return NULL;
+
+ if (end == -1)
+ end = self->buf->b_ml.ml_line_count;
+
+ size = end - start + 1;
+
+ if (lo < 0)
+ lo = 0;
+ else if (lo > size)
+ lo = size;
+ if (hi < 0)
+ hi = 0;
+ if (hi < lo)
+ hi = lo;
+ else if (hi > size)
+ hi = size;
+
+ return GetBufferLineList(self->buf, lo+start, hi+start);
+}
+
+ static PyInt
+RBAsItem(
+ BufferObject *self,
+ PyInt n,
+ PyObject *valObject,
+ PyInt start,
+ PyInt end,
+ PyInt *new_end)
+{
+ PyInt len_change;
+
+ if (CheckBuffer(self))
+ return -1;
+
+ if (end == -1)
+ end = self->buf->b_ml.ml_line_count;
+
+ if (n < 0)
+ n += end - start + 1;
+
+ if (n < 0 || n > end - start)
+ {
+ PyErr_SET_STRING(PyExc_IndexError, N_("line number out of range"));
+ return -1;
+ }
+
+ if (SetBufferLine(self->buf, n+start, valObject, &len_change) == FAIL)
+ return -1;
+
+ if (new_end)
+ *new_end = end + len_change;
+
+ return 0;
+}
+
+ static PyInt
+RBAsSlice(
+ BufferObject *self,
+ PyInt lo,
+ PyInt hi,
+ PyObject *valObject,
+ PyInt start,
+ PyInt end,
+ PyInt *new_end)
+{
+ PyInt size;
+ PyInt len_change;
+
+ /* Self must be a valid buffer */
+ if (CheckBuffer(self))
+ return -1;
+
+ if (end == -1)
+ end = self->buf->b_ml.ml_line_count;
+
+ /* Sort out the slice range */
+ size = end - start + 1;
+
+ if (lo < 0)
+ lo = 0;
+ else if (lo > size)
+ lo = size;
+ if (hi < 0)
+ hi = 0;
+ if (hi < lo)
+ hi = lo;
+ else if (hi > size)
+ hi = size;
+
+ if (SetBufferLineList(self->buf, lo + start, hi + start,
+ valObject, &len_change) == FAIL)
+ return -1;
+
+ if (new_end)
+ *new_end = end + len_change;
+
+ return 0;
+}
+
+
+ static PyObject *
+RBAppend(
+ BufferObject *self,
+ PyObject *args,
+ PyInt start,
+ PyInt end,
+ PyInt *new_end)
+{
+ PyObject *lines;
+ PyInt len_change;
+ PyInt max;
+ PyInt n;
+
+ if (CheckBuffer(self))
+ return NULL;
+
+ if (end == -1)
+ end = self->buf->b_ml.ml_line_count;
+
+ max = n = end - start + 1;
+
+ if (!PyArg_ParseTuple(args, "O|n", &lines, &n))
+ return NULL;
+
+ if (n < 0 || n > max)
+ {
+ PyErr_SET_STRING(PyExc_IndexError, N_("line number out of range"));
+ return NULL;
+ }
+
+ if (InsertBufferLines(self->buf, n + start - 1, lines, &len_change) == FAIL)
+ return NULL;
+
+ if (new_end)
+ *new_end = end + len_change;
+
+ Py_INCREF(Py_None);
+ return Py_None;
+}
+
+/* Range object
+ */
+
+static PyTypeObject RangeType;
+static PySequenceMethods RangeAsSeq;
+static PyMappingMethods RangeAsMapping;
+
+typedef struct
+{
+ PyObject_HEAD
+ BufferObject *buf;
+ PyInt start;
+ PyInt end;
+} RangeObject;
+
+ static PyObject *
+RangeNew(buf_T *buf, PyInt start, PyInt end)
+{
+ BufferObject *bufr;
+ RangeObject *self;
+ self = PyObject_GC_New(RangeObject, &RangeType);
+ if (self == NULL)
+ return NULL;
+
+ bufr = (BufferObject *)BufferNew(buf);
+ if (bufr == NULL)
+ {
+ Py_DECREF(self);
+ return NULL;
+ }
+ Py_INCREF(bufr);
+
+ self->buf = bufr;
+ self->start = start;
+ self->end = end;
+
+ return (PyObject *)(self);
+}
+
+ static void
+RangeDestructor(RangeObject *self)
+{
+ PyObject_GC_UnTrack((void *)(self));
+ Py_XDECREF(self->buf);
+ PyObject_GC_Del((void *)(self));
+}
+
+ static int
+RangeTraverse(RangeObject *self, visitproc visit, void *arg)
+{
+ Py_VISIT(((PyObject *)(self->buf)));
+ return 0;
+}
+
+ static int
+RangeClear(RangeObject *self)
+{
+ Py_CLEAR(self->buf);
+ return 0;
+}
+
+ static PyInt
+RangeLength(RangeObject *self)
+{
+ /* HOW DO WE SIGNAL AN ERROR FROM THIS FUNCTION? */
+ if (CheckBuffer(self->buf))
+ return -1; /* ??? */
+
+ return (self->end - self->start + 1);
+}
+
+ static PyObject *
+RangeItem(RangeObject *self, PyInt n)
+{
+ return RBItem(self->buf, n, self->start, self->end);
+}
+
+ static PyObject *
+RangeSlice(RangeObject *self, PyInt lo, PyInt hi)
+{
+ return RBSlice(self->buf, lo, hi, self->start, self->end);
+}
+
+static char *RangeAttrs[] = {
+ "start", "end",
+ NULL
+};
+
+ static PyObject *
+RangeDir(PyObject *self)
+{
+ return ObjectDir(self, RangeAttrs);
+}
+
+ static PyObject *
+RangeAppend(RangeObject *self, PyObject *args)
+{
+ return RBAppend(self->buf, args, self->start, self->end, &self->end);
+}
+
+ static PyObject *
+RangeRepr(RangeObject *self)
+{
+ if (self->buf->buf == INVALID_BUFFER_VALUE)
+ return PyString_FromFormat("<range object (for deleted buffer) at %p>",
+ (self));
+ else
+ {
+ char *name = (char *)self->buf->buf->b_fname;
+
+ if (name == NULL)
+ name = "";
+
+ return PyString_FromFormat("<range %s (%d:%d)>",
+ name, (int)self->start, (int)self->end);
+ }
+}
+
+static struct PyMethodDef RangeMethods[] = {
+ /* name, function, calling, documentation */
+ {"append", (PyCFunction)RangeAppend, METH_VARARGS, "Append data to the Vim range" },
+ {"__dir__", (PyCFunction)RangeDir, METH_NOARGS, ""},
+ { NULL, NULL, 0, NULL}
+};
+
+static PyTypeObject BufferType;
+static PySequenceMethods BufferAsSeq;
+static PyMappingMethods BufferAsMapping;
+
+ static PyObject *
+BufferNew(buf_T *buf)
+{
+ /* We need to handle deletion of buffers underneath us.
+ * If we add a "b_python*_ref" field to the buf_T structure,
+ * then we can get at it in buf_freeall() in vim. We then
+ * need to create only ONE Python object per buffer - if
+ * we try to create a second, just INCREF the existing one
+ * and return it. The (single) Python object referring to
+ * the buffer is stored in "b_python*_ref".
+ * Question: what to do on a buf_freeall(). We'll probably
+ * have to either delete the Python object (DECREF it to
+ * zero - a bad idea, as it leaves dangling refs!) or
+ * set the buf_T * value to an invalid value (-1?), which
+ * means we need checks in all access functions... Bah.
+ *
+ * Python2 and Python3 get different fields and different objects:
+ * b_python_ref and b_python3_ref fields respectively.
+ */
+
+ BufferObject *self;
+
+ if (BUF_PYTHON_REF(buf) != NULL)
+ {
+ self = BUF_PYTHON_REF(buf);
+ Py_INCREF(self);
+ }
+ else
+ {
+ self = PyObject_NEW(BufferObject, &BufferType);
+ if (self == NULL)
+ return NULL;
+ self->buf = buf;
+ BUF_PYTHON_REF(buf) = self;
+ }
+
+ return (PyObject *)(self);
+}
+
+ static void
+BufferDestructor(BufferObject *self)
+{
+ if (self->buf && self->buf != INVALID_BUFFER_VALUE)
+ BUF_PYTHON_REF(self->buf) = NULL;
+
+ DESTRUCTOR_FINISH(self);
+}
+
+ static PyInt
+BufferLength(BufferObject *self)
+{
+ /* HOW DO WE SIGNAL AN ERROR FROM THIS FUNCTION? */
+ if (CheckBuffer(self))
+ return -1; /* ??? */
+
+ return (PyInt)(self->buf->b_ml.ml_line_count);
+}
+
+ static PyObject *
+BufferItem(BufferObject *self, PyInt n)
+{
+ return RBItem(self, n, 1, -1);
+}
+
+ static PyObject *
+BufferSlice(BufferObject *self, PyInt lo, PyInt hi)
+{
+ return RBSlice(self, lo, hi, 1, -1);
+}
+
+static char *BufferAttrs[] = {
+ "name", "number", "vars", "options", "valid",
+ NULL
+};
+
+ static PyObject *
+BufferDir(PyObject *self)
+{
+ return ObjectDir(self, BufferAttrs);
+}
+
+ static PyObject *
+BufferAttrValid(BufferObject *self, char *name)
+{
+ PyObject *ret;
+
+ if (strcmp(name, "valid") != 0)
+ return NULL;
+
+ ret = ((self->buf == INVALID_BUFFER_VALUE) ? Py_False : Py_True);
+ Py_INCREF(ret);
+ return ret;
+}
+
+ static PyObject *
+BufferAttr(BufferObject *self, char *name)
+{
+ if (strcmp(name, "name") == 0)
+ return PyString_FromString((self->buf->b_ffname == NULL
+ ? "" : (char *)self->buf->b_ffname));
+ else if (strcmp(name, "number") == 0)
+ return Py_BuildValue(Py_ssize_t_fmt, self->buf->b_fnum);
+ else if (strcmp(name, "vars") == 0)
+ return NEW_DICTIONARY(self->buf->b_vars);
+ else if (strcmp(name, "options") == 0)
+ return OptionsNew(SREQ_BUF, self->buf, (checkfun) CheckBuffer,
+ (PyObject *) self);
+ else if (strcmp(name, "__members__") == 0)
+ return ObjectDir(NULL, BufferAttrs);
+ else
+ return NULL;
+}
+
+ static int
+BufferSetattr(BufferObject *self, char *name, PyObject *valObject)
+{
+ if (CheckBuffer(self))
+ return -1;
+
+ if (strcmp(name, "name") == 0)
+ {
+ char_u *val;
+ aco_save_T aco;
+ int ren_ret;
+ PyObject *todecref;
+
+ if (!(val = StringToChars(valObject, &todecref)))
+ return -1;
+
+ VimTryStart();
+ /* Using aucmd_*: autocommands will be executed by rename_buffer */
+ aucmd_prepbuf(&aco, self->buf);
+ ren_ret = rename_buffer(val);
+ aucmd_restbuf(&aco);
+ Py_XDECREF(todecref);
+ if (VimTryEnd())
+ return -1;
+
+ if (ren_ret == FAIL)
+ {
+ PyErr_SET_VIM(N_("failed to rename buffer"));
+ return -1;
+ }
+ return 0;
+ }
+ else
+ {
+ PyErr_SetString(PyExc_AttributeError, name);
+ return -1;
+ }
+}
+
+ static PyObject *
+BufferAppend(BufferObject *self, PyObject *args)
+{
+ return RBAppend(self, args, 1, -1, NULL);
+}
+
+ static PyObject *
+BufferMark(BufferObject *self, PyObject *pmarkObject)
+{
+ pos_T *posp;
+ char_u *pmark;
+ char_u mark;
+ bufref_T savebuf;
+ PyObject *todecref;
+
+ if (CheckBuffer(self))
+ return NULL;
+
+ if (!(pmark = StringToChars(pmarkObject, &todecref)))
+ return NULL;
+
+ if (pmark[0] == '\0' || pmark[1] != '\0')
+ {
+ PyErr_SET_STRING(PyExc_ValueError,
+ N_("mark name must be a single character"));
+ Py_XDECREF(todecref);
+ return NULL;
+ }
+
+ mark = *pmark;
+
+ Py_XDECREF(todecref);
+
+ VimTryStart();
+ switch_buffer(&savebuf, self->buf);
+ posp = getmark(mark, FALSE);
+ restore_buffer(&savebuf);
+ if (VimTryEnd())
+ return NULL;
+
+ if (posp == NULL)
+ {
+ PyErr_SET_VIM(N_("invalid mark name"));
+ return NULL;
+ }
+
+ if (posp->lnum <= 0)
+ {
+ /* Or raise an error? */
+ Py_INCREF(Py_None);
+ return Py_None;
+ }
+
+ return Py_BuildValue("(ll)", (long)(posp->lnum), (long)(posp->col));
+}
+
+ static PyObject *
+BufferRange(BufferObject *self, PyObject *args)
+{
+ PyInt start;
+ PyInt end;
+
+ if (CheckBuffer(self))
+ return NULL;
+
+ if (!PyArg_ParseTuple(args, "nn", &start, &end))
+ return NULL;
+
+ return RangeNew(self->buf, start, end);
+}
+
+ static PyObject *
+BufferRepr(BufferObject *self)
+{
+ if (self->buf == INVALID_BUFFER_VALUE)
+ return PyString_FromFormat("<buffer object (deleted) at %p>", self);
+ else
+ {
+ char *name = (char *)self->buf->b_fname;
+
+ if (name == NULL)
+ name = "";
+
+ return PyString_FromFormat("<buffer %s>", name);
+ }
+}
+
+static struct PyMethodDef BufferMethods[] = {
+ /* name, function, calling, documentation */
+ {"append", (PyCFunction)BufferAppend, METH_VARARGS, "Append data to Vim buffer" },
+ {"mark", (PyCFunction)BufferMark, METH_O, "Return (row,col) representing position of named mark" },
+ {"range", (PyCFunction)BufferRange, METH_VARARGS, "Return a range object which represents the part of the given buffer between line numbers s and e" },
+ {"__dir__", (PyCFunction)BufferDir, METH_NOARGS, ""},
+ { NULL, NULL, 0, NULL}
+};
+
+/*
+ * Buffer list object - Implementation
+ */
+
+static PyTypeObject BufMapType;
+
+typedef struct
+{
+ PyObject_HEAD
+} BufMapObject;
+
+ static PyInt
+BufMapLength(PyObject *self UNUSED)
+{
+ buf_T *b = firstbuf;
+ PyInt n = 0;
+
+ while (b)
+ {
+ ++n;
+ b = b->b_next;
+ }
+
+ return n;
+}
+
+ static PyObject *
+BufMapItem(PyObject *self UNUSED, PyObject *keyObject)
+{
+ buf_T *b;
+ long bnr;
+
+ if (NumberToLong(keyObject, &bnr, NUMBER_INT|NUMBER_NATURAL))
+ return NULL;
+
+ b = buflist_findnr((int) bnr);
+
+ if (b)
+ return BufferNew(b);
+ else
+ {
+ PyErr_SetObject(PyExc_KeyError, keyObject);
+ return NULL;
+ }
+}
+
+ static void
+BufMapIterDestruct(PyObject *buffer)
+{
+ /* Iteration was stopped before all buffers were processed */
+ if (buffer)
+ {
+ Py_DECREF(buffer);
+ }
+}
+
+ static int
+BufMapIterTraverse(PyObject *buffer, visitproc visit, void *arg)
+{
+ if (buffer)
+ Py_VISIT(buffer);
+ return 0;
+}
+
+ static int
+BufMapIterClear(PyObject **buffer)
+{
+ if (*buffer)
+ Py_CLEAR(*buffer);
+ return 0;
+}
+
+ static PyObject *
+BufMapIterNext(PyObject **buffer)
+{
+ PyObject *next;
+ PyObject *ret;
+
+ if (!*buffer)
+ return NULL;
+
+ ret = *buffer;
+
+ if (CheckBuffer((BufferObject *)(ret)))
+ {
+ *buffer = NULL;
+ return NULL;
+ }
+
+ if (!((BufferObject *)(ret))->buf->b_next)
+ next = NULL;
+ else if (!(next = BufferNew(((BufferObject *)(ret))->buf->b_next)))
+ return NULL;
+ *buffer = next;
+ /* Do not increment reference: we no longer hold it (decref), but whoever
+ * on other side will hold (incref). Decref+incref = nothing. */
+ return ret;
+}
+
+ static PyObject *
+BufMapIter(PyObject *self UNUSED)
+{
+ PyObject *buffer;
+
+ buffer = BufferNew(firstbuf);
+ return IterNew(buffer,
+ (destructorfun) BufMapIterDestruct, (nextfun) BufMapIterNext,
+ (traversefun) BufMapIterTraverse, (clearfun) BufMapIterClear);
+}
+
+static PyMappingMethods BufMapAsMapping = {
+ (lenfunc) BufMapLength,
+ (binaryfunc) BufMapItem,
+ (objobjargproc) 0,
+};
+
+/* Current items object
+ */
+
+static char *CurrentAttrs[] = {
+ "buffer", "window", "line", "range", "tabpage",
+ NULL
+};
+
+ static PyObject *
+CurrentDir(PyObject *self)
+{
+ return ObjectDir(self, CurrentAttrs);
+}
+
+ static PyObject *
+CurrentGetattr(PyObject *self UNUSED, char *name)
+{
+ if (strcmp(name, "buffer") == 0)
+ return (PyObject *)BufferNew(curbuf);
+ else if (strcmp(name, "window") == 0)
+ return (PyObject *)WindowNew(curwin, curtab);
+ else if (strcmp(name, "tabpage") == 0)
+ return (PyObject *)TabPageNew(curtab);
+ else if (strcmp(name, "line") == 0)
+ return GetBufferLine(curbuf, (PyInt)curwin->w_cursor.lnum);
+ else if (strcmp(name, "range") == 0)
+ return RangeNew(curbuf, RangeStart, RangeEnd);
+ else if (strcmp(name, "__members__") == 0)
+ return ObjectDir(NULL, CurrentAttrs);
+ else
+#if PY_MAJOR_VERSION < 3
+ return Py_FindMethod(WindowMethods, self, name);
+#else
+ return NULL;
+#endif
+}
+
+ static int
+CurrentSetattr(PyObject *self UNUSED, char *name, PyObject *valObject)
+{
+ if (strcmp(name, "line") == 0)
+ {
+ if (SetBufferLine(curbuf, (PyInt)curwin->w_cursor.lnum, valObject,
+ NULL) == FAIL)
+ return -1;
+
+ return 0;
+ }
+ else if (strcmp(name, "buffer") == 0)
+ {
+ int count;
+
+ if (valObject->ob_type != &BufferType)
+ {
+ PyErr_FORMAT(PyExc_TypeError,
+ N_("expected vim.Buffer object, but got %s"),
+ Py_TYPE_NAME(valObject));
+ return -1;
+ }
+
+ if (CheckBuffer((BufferObject *)(valObject)))
+ return -1;
+ count = ((BufferObject *)(valObject))->buf->b_fnum;
+
+ VimTryStart();
+ if (do_buffer(DOBUF_GOTO, DOBUF_FIRST, FORWARD, count, 0) == FAIL)
+ {
+ if (VimTryEnd())
+ return -1;
+ PyErr_VIM_FORMAT(N_("failed to switch to buffer %d"), count);
+ return -1;
+ }
+
+ return VimTryEnd();
+ }
+ else if (strcmp(name, "window") == 0)
+ {
+ int count;
+
+ if (valObject->ob_type != &WindowType)
+ {
+ PyErr_FORMAT(PyExc_TypeError,
+ N_("expected vim.Window object, but got %s"),
+ Py_TYPE_NAME(valObject));
+ return -1;
+ }
+
+ if (CheckWindow((WindowObject *)(valObject)))
+ return -1;
+ count = get_win_number(((WindowObject *)(valObject))->win, firstwin);
+
+ if (!count)
+ {
+ PyErr_SET_STRING(PyExc_ValueError,
+ N_("failed to find window in the current tab page"));
+ return -1;
+ }
+
+ VimTryStart();
+ win_goto(((WindowObject *)(valObject))->win);
+ if (((WindowObject *)(valObject))->win != curwin)
+ {
+ if (VimTryEnd())
+ return -1;
+ PyErr_SET_STRING(PyExc_RuntimeError,
+ N_("did not switch to the specified window"));
+ return -1;
+ }
+
+ return VimTryEnd();
+ }
+ else if (strcmp(name, "tabpage") == 0)
+ {
+ if (valObject->ob_type != &TabPageType)
+ {
+ PyErr_FORMAT(PyExc_TypeError,
+ N_("expected vim.TabPage object, but got %s"),
+ Py_TYPE_NAME(valObject));
+ return -1;
+ }
+
+ if (CheckTabPage((TabPageObject *)(valObject)))
+ return -1;
+
+ VimTryStart();
+ goto_tabpage_tp(((TabPageObject *)(valObject))->tab, TRUE, TRUE);
+ if (((TabPageObject *)(valObject))->tab != curtab)
+ {
+ if (VimTryEnd())
+ return -1;
+ PyErr_SET_STRING(PyExc_RuntimeError,
+ N_("did not switch to the specified tab page"));
+ return -1;
+ }
+
+ return VimTryEnd();
+ }
+ else
+ {
+ PyErr_SetString(PyExc_AttributeError, name);
+ return -1;
+ }
+}
+
+static struct PyMethodDef CurrentMethods[] = {
+ /* name, function, calling, documentation */
+ {"__dir__", (PyCFunction)CurrentDir, METH_NOARGS, ""},
+ { NULL, NULL, 0, NULL}
+};
+
+ static void
+init_range_cmd(exarg_T *eap)
+{
+ RangeStart = eap->line1;
+ RangeEnd = eap->line2;
+}
+
+ static void
+init_range_eval(typval_T *rettv UNUSED)
+{
+ RangeStart = (PyInt) curwin->w_cursor.lnum;
+ RangeEnd = RangeStart;
+}
+
+ static void
+run_cmd(const char *cmd, void *arg UNUSED
+#ifdef PY_CAN_RECURSE
+ , PyGILState_STATE *pygilstate UNUSED
+#endif
+ )
+{
+ PyObject *run_ret;
+ run_ret = PyRun_String((char *)cmd, Py_file_input, globals, globals);
+ if (run_ret != NULL)
+ {
+ Py_DECREF(run_ret);
+ }
+ else if (PyErr_Occurred() && PyErr_ExceptionMatches(PyExc_SystemExit))
+ {
+ semsg(_(e_py_systemexit), "python");
+ PyErr_Clear();
+ }
+ else
+ PyErr_PrintEx(1);
+}
+
+static const char *code_hdr = "def " DOPY_FUNC "(line, linenr):\n ";
+static int code_hdr_len = 30;
+
+ static void
+run_do(const char *cmd, void *arg UNUSED
+#ifdef PY_CAN_RECURSE
+ , PyGILState_STATE *pygilstate
+#endif
+ )
+{
+ PyInt lnum;
+ size_t len;
+ char *code;
+ int status;
+ PyObject *pyfunc, *pymain;
+ PyObject *run_ret;
+ buf_T *was_curbuf = curbuf;
+
+ if (u_save((linenr_T)RangeStart - 1, (linenr_T)RangeEnd + 1) != OK)
+ {
+ emsg(_("cannot save undo information"));
+ return;
+ }
+
+ len = code_hdr_len + STRLEN(cmd);
+ code = PyMem_New(char, len + 1);
+ memcpy(code, code_hdr, code_hdr_len);
+ STRCPY(code + code_hdr_len, cmd);
+ run_ret = PyRun_String(code, Py_file_input, globals, globals);
+ status = -1;
+ if (run_ret != NULL)
+ {
+ status = 0;
+ Py_DECREF(run_ret);
+ }
+ else if (PyErr_Occurred() && PyErr_ExceptionMatches(PyExc_SystemExit))
+ {
+ PyMem_Free(code);
+ semsg(_(e_py_systemexit), "python");
+ PyErr_Clear();
+ return;
+ }
+ else
+ PyErr_PrintEx(1);
+
+ PyMem_Free(code);
+
+ if (status)
+ {
+ emsg(_("failed to run the code"));
+ return;
+ }
+
+ status = 0;
+ pymain = PyImport_AddModule("__main__");
+ pyfunc = PyObject_GetAttrString(pymain, DOPY_FUNC);
+#ifdef PY_CAN_RECURSE
+ PyGILState_Release(*pygilstate);
+#endif
+
+ for (lnum = RangeStart; lnum <= RangeEnd; ++lnum)
+ {
+ PyObject *line;
+ PyObject *linenr;
+ PyObject *ret;
+
+#ifdef PY_CAN_RECURSE
+ *pygilstate = PyGILState_Ensure();
+#endif
+ /* Check the line number, the command my have deleted lines. */
+ if (lnum > curbuf->b_ml.ml_line_count
+ || !(line = GetBufferLine(curbuf, lnum)))
+ goto err;
+ if (!(linenr = PyInt_FromLong((long) lnum)))
+ {
+ Py_DECREF(line);
+ goto err;
+ }
+ ret = PyObject_CallFunctionObjArgs(pyfunc, line, linenr, NULL);
+ Py_DECREF(line);
+ Py_DECREF(linenr);
+ if (!ret)
+ goto err;
+
+ /* Check that the command didn't switch to another buffer. */
+ if (curbuf != was_curbuf)
+ {
+ Py_XDECREF(ret);
+ goto err;
+ }
+
+ if (ret != Py_None)
+ if (SetBufferLine(curbuf, lnum, ret, NULL) == FAIL)
+ {
+ Py_XDECREF(ret);
+ goto err;
+ }
+
+ Py_XDECREF(ret);
+ PythonIO_Flush();
+#ifdef PY_CAN_RECURSE
+ PyGILState_Release(*pygilstate);
+#endif
+ }
+ goto out;
+err:
+#ifdef PY_CAN_RECURSE
+ *pygilstate = PyGILState_Ensure();
+#endif
+ PyErr_PrintEx(0);
+ PythonIO_Flush();
+ status = 1;
+out:
+#ifdef PY_CAN_RECURSE
+ if (!status)
+ *pygilstate = PyGILState_Ensure();
+#endif
+ Py_DECREF(pyfunc);
+ PyObject_SetAttrString(pymain, DOPY_FUNC, NULL);
+ if (status)
+ return;
+ check_cursor();
+ update_curbuf(NOT_VALID);
+}
+
+ static void
+run_eval(const char *cmd, typval_T *rettv
+#ifdef PY_CAN_RECURSE
+ , PyGILState_STATE *pygilstate UNUSED
+#endif
+ )
+{
+ PyObject *run_ret;
+
+ run_ret = PyRun_String((char *)cmd, Py_eval_input, globals, globals);
+ if (run_ret == NULL)
+ {
+ if (PyErr_Occurred() && PyErr_ExceptionMatches(PyExc_SystemExit))
+ {
+ semsg(_(e_py_systemexit), "python");
+ PyErr_Clear();
+ }
+ else
+ {
+ if (PyErr_Occurred() && !msg_silent)
+ PyErr_PrintEx(0);
+ emsg(_("E858: Eval did not return a valid python object"));
+ }
+ }
+ else
+ {
+ if (ConvertFromPyObject(run_ret, rettv) == -1)
+ emsg(_("E859: Failed to convert returned python object to vim value"));
+ Py_DECREF(run_ret);
+ }
+ PyErr_Clear();
+}
+
+ static int
+set_ref_in_py(const int copyID)
+{
+ pylinkedlist_T *cur;
+ dict_T *dd;
+ list_T *ll;
+ int i;
+ int abort = FALSE;
+ FunctionObject *func;
+
+ if (lastdict != NULL)
+ {
+ for (cur = lastdict ; !abort && cur != NULL ; cur = cur->pll_prev)
+ {
+ dd = ((DictionaryObject *) (cur->pll_obj))->dict;
+ if (dd->dv_copyID != copyID)
+ {
+ dd->dv_copyID = copyID;
+ abort = abort || set_ref_in_ht(&dd->dv_hashtab, copyID, NULL);
+ }
+ }
+ }
+
+ if (lastlist != NULL)
+ {
+ for (cur = lastlist ; !abort && cur != NULL ; cur = cur->pll_prev)
+ {
+ ll = ((ListObject *) (cur->pll_obj))->list;
+ if (ll->lv_copyID != copyID)
+ {
+ ll->lv_copyID = copyID;
+ abort = abort || set_ref_in_list(ll, copyID, NULL);
+ }
+ }
+ }
+
+ if (lastfunc != NULL)
+ {
+ for (cur = lastfunc ; !abort && cur != NULL ; cur = cur->pll_prev)
+ {
+ func = (FunctionObject *) cur->pll_obj;
+ if (func->self != NULL && func->self->dv_copyID != copyID)
+ {
+ func->self->dv_copyID = copyID;
+ abort = abort || set_ref_in_ht(
+ &func->self->dv_hashtab, copyID, NULL);
+ }
+ if (func->argc)
+ for (i = 0; !abort && i < func->argc; ++i)
+ abort = abort
+ || set_ref_in_item(&func->argv[i], copyID, NULL, NULL);
+ }
+ }
+
+ return abort;
+}
+
+ static int
+set_string_copy(char_u *str, typval_T *tv)
+{
+ tv->vval.v_string = vim_strsave(str);
+ if (tv->vval.v_string == NULL)
+ {
+ PyErr_NoMemory();
+ return -1;
+ }
+ return 0;
+}
+
+ static int
+pydict_to_tv(PyObject *obj, typval_T *tv, PyObject *lookup_dict)
+{
+ dict_T *dict;
+ char_u *key;
+ dictitem_T *di;
+ PyObject *keyObject;
+ PyObject *valObject;
+ Py_ssize_t iter = 0;
+
+ if (!(dict = py_dict_alloc()))
+ return -1;
+
+ tv->v_type = VAR_DICT;
+ tv->vval.v_dict = dict;
+
+ while (PyDict_Next(obj, &iter, &keyObject, &valObject))
+ {
+ PyObject *todecref = NULL;
+
+ if (keyObject == NULL || valObject == NULL)
+ {
+ dict_unref(dict);
+ return -1;
+ }
+
+ if (!(key = StringToChars(keyObject, &todecref)))
+ {
+ dict_unref(dict);
+ return -1;
+ }
+
+ if (*key == NUL)
+ {
+ dict_unref(dict);
+ Py_XDECREF(todecref);
+ RAISE_NO_EMPTY_KEYS;
+ return -1;
+ }
+
+ di = dictitem_alloc(key);
+
+ Py_XDECREF(todecref);
+
+ if (di == NULL)
+ {
+ PyErr_NoMemory();
+ dict_unref(dict);
+ return -1;
+ }
+
+ if (_ConvertFromPyObject(valObject, &di->di_tv, lookup_dict) == -1)
+ {
+ vim_free(di);
+ dict_unref(dict);
+ return -1;
+ }
+
+ if (dict_add(dict, di) == FAIL)
+ {
+ RAISE_KEY_ADD_FAIL(di->di_key);
+ clear_tv(&di->di_tv);
+ vim_free(di);
+ dict_unref(dict);
+ return -1;
+ }
+ }
+
+ --dict->dv_refcount;
+ return 0;
+}
+
+ static int
+pymap_to_tv(PyObject *obj, typval_T *tv, PyObject *lookup_dict)
+{
+ dict_T *dict;
+ char_u *key;
+ dictitem_T *di;
+ PyObject *list;
+ PyObject *iterator;
+ PyObject *keyObject;
+ PyObject *valObject;
+
+ if (!(dict = py_dict_alloc()))
+ return -1;
+
+ tv->v_type = VAR_DICT;
+ tv->vval.v_dict = dict;
+
+ if (!(list = PyMapping_Keys(obj)))
+ {
+ dict_unref(dict);
+ return -1;
+ }
+
+ if (!(iterator = PyObject_GetIter(list)))
+ {
+ dict_unref(dict);
+ Py_DECREF(list);
+ return -1;
+ }
+ Py_DECREF(list);
+
+ while ((keyObject = PyIter_Next(iterator)))
+ {
+ PyObject *todecref;
+
+ if (!(key = StringToChars(keyObject, &todecref)))
+ {
+ Py_DECREF(keyObject);
+ Py_DECREF(iterator);
+ dict_unref(dict);
+ return -1;
+ }
+
+ if (*key == NUL)
+ {
+ Py_DECREF(keyObject);
+ Py_DECREF(iterator);
+ Py_XDECREF(todecref);
+ dict_unref(dict);
+ RAISE_NO_EMPTY_KEYS;
+ return -1;
+ }
+
+ if (!(valObject = PyObject_GetItem(obj, keyObject)))
+ {
+ Py_DECREF(keyObject);
+ Py_DECREF(iterator);
+ Py_XDECREF(todecref);
+ dict_unref(dict);
+ return -1;
+ }
+
+ di = dictitem_alloc(key);
+
+ Py_DECREF(keyObject);
+ Py_XDECREF(todecref);
+
+ if (di == NULL)
+ {
+ Py_DECREF(iterator);
+ Py_DECREF(valObject);
+ dict_unref(dict);
+ PyErr_NoMemory();
+ return -1;
+ }
+
+ if (_ConvertFromPyObject(valObject, &di->di_tv, lookup_dict) == -1)
+ {
+ Py_DECREF(iterator);
+ Py_DECREF(valObject);
+ vim_free(di);
+ dict_unref(dict);
+ return -1;
+ }
+
+ Py_DECREF(valObject);
+
+ if (dict_add(dict, di) == FAIL)
+ {
+ RAISE_KEY_ADD_FAIL(di->di_key);
+ Py_DECREF(iterator);
+ dictitem_free(di);
+ dict_unref(dict);
+ return -1;
+ }
+ }
+ Py_DECREF(iterator);
+ --dict->dv_refcount;
+ return 0;
+}
+
+ static int
+pyseq_to_tv(PyObject *obj, typval_T *tv, PyObject *lookup_dict)
+{
+ list_T *l;
+
+ if (!(l = py_list_alloc()))
+ return -1;
+
+ tv->v_type = VAR_LIST;
+ tv->vval.v_list = l;
+
+ if (list_py_concat(l, obj, lookup_dict) == -1)
+ {
+ list_unref(l);
+ return -1;
+ }
+
+ --l->lv_refcount;
+ return 0;
+}
+
+typedef int (*pytotvfunc)(PyObject *, typval_T *, PyObject *);
+
+ static int
+convert_dl(PyObject *obj, typval_T *tv,
+ pytotvfunc py_to_tv, PyObject *lookup_dict)
+{
+ PyObject *capsule;
+ char hexBuf[sizeof(void *) * 2 + 3];
+
+ sprintf(hexBuf, "%p", (void *)obj);
+
+# ifdef PY_USE_CAPSULE
+ capsule = PyDict_GetItemString(lookup_dict, hexBuf);
+# else
+ capsule = (PyObject *)PyDict_GetItemString(lookup_dict, hexBuf);
+# endif
+ if (capsule == NULL)
+ {
+# ifdef PY_USE_CAPSULE
+ capsule = PyCapsule_New(tv, NULL, NULL);
+# else
+ capsule = PyCObject_FromVoidPtr(tv, NULL);
+# endif
+ if (PyDict_SetItemString(lookup_dict, hexBuf, capsule))
+ {
+ Py_DECREF(capsule);
+ tv->v_type = VAR_UNKNOWN;
+ return -1;
+ }
+
+ Py_DECREF(capsule);
+
+ if (py_to_tv(obj, tv, lookup_dict) == -1)
+ {
+ tv->v_type = VAR_UNKNOWN;
+ return -1;
+ }
+ /* As we are not using copy_tv which increments reference count we must
+ * do it ourself. */
+ if (tv->v_type == VAR_DICT)
+ ++tv->vval.v_dict->dv_refcount;
+ else if (tv->v_type == VAR_LIST)
+ ++tv->vval.v_list->lv_refcount;
+ }
+ else
+ {
+ typval_T *v;
+
+# ifdef PY_USE_CAPSULE
+ v = PyCapsule_GetPointer(capsule, NULL);
+# else
+ v = PyCObject_AsVoidPtr(capsule);
+# endif
+ copy_tv(v, tv);
+ }
+ return 0;
+}
+
+ static int
+ConvertFromPyMapping(PyObject *obj, typval_T *tv)
+{
+ PyObject *lookup_dict;
+ int ret;
+
+ if (!(lookup_dict = PyDict_New()))
+ return -1;
+
+ if (PyType_IsSubtype(obj->ob_type, &DictionaryType))
+ {
+ tv->v_type = VAR_DICT;
+ tv->vval.v_dict = (((DictionaryObject *)(obj))->dict);
+ ++tv->vval.v_dict->dv_refcount;
+ ret = 0;
+ }
+ else if (PyDict_Check(obj))
+ ret = convert_dl(obj, tv, pydict_to_tv, lookup_dict);
+ else if (PyMapping_Check(obj))
+ ret = convert_dl(obj, tv, pymap_to_tv, lookup_dict);
+ else
+ {
+ PyErr_FORMAT(PyExc_TypeError,
+ N_("unable to convert %s to vim dictionary"),
+ Py_TYPE_NAME(obj));
+ ret = -1;
+ }
+ Py_DECREF(lookup_dict);
+ return ret;
+}
+
+ static int
+ConvertFromPySequence(PyObject *obj, typval_T *tv)
+{
+ PyObject *lookup_dict;
+ int ret;
+
+ if (!(lookup_dict = PyDict_New()))
+ return -1;
+
+ if (PyType_IsSubtype(obj->ob_type, &ListType))
+ {
+ tv->v_type = VAR_LIST;
+ tv->vval.v_list = (((ListObject *)(obj))->list);
+ ++tv->vval.v_list->lv_refcount;
+ ret = 0;
+ }
+ else if (PyIter_Check(obj) || PySequence_Check(obj))
+ ret = convert_dl(obj, tv, pyseq_to_tv, lookup_dict);
+ else
+ {
+ PyErr_FORMAT(PyExc_TypeError,
+ N_("unable to convert %s to vim list"),
+ Py_TYPE_NAME(obj));
+ ret = -1;
+ }
+ Py_DECREF(lookup_dict);
+ return ret;
+}
+
+ static int
+ConvertFromPyObject(PyObject *obj, typval_T *tv)
+{
+ PyObject *lookup_dict;
+ int ret;
+
+ if (!(lookup_dict = PyDict_New()))
+ return -1;
+ ret = _ConvertFromPyObject(obj, tv, lookup_dict);
+ Py_DECREF(lookup_dict);
+ return ret;
+}
+
+ static int
+_ConvertFromPyObject(PyObject *obj, typval_T *tv, PyObject *lookup_dict)
+{
+ if (PyType_IsSubtype(obj->ob_type, &DictionaryType))
+ {
+ tv->v_type = VAR_DICT;
+ tv->vval.v_dict = (((DictionaryObject *)(obj))->dict);
+ ++tv->vval.v_dict->dv_refcount;
+ }
+ else if (PyType_IsSubtype(obj->ob_type, &ListType))
+ {
+ tv->v_type = VAR_LIST;
+ tv->vval.v_list = (((ListObject *)(obj))->list);
+ ++tv->vval.v_list->lv_refcount;
+ }
+ else if (PyType_IsSubtype(obj->ob_type, &FunctionType))
+ {
+ FunctionObject *func = (FunctionObject *) obj;
+ if (func->self != NULL || func->argv != NULL)
+ {
+ partial_T *pt = (partial_T *)alloc_clear(sizeof(partial_T));
+ set_partial(func, pt, TRUE);
+ tv->vval.v_partial = pt;
+ tv->v_type = VAR_PARTIAL;
+ }
+ else
+ {
+ if (set_string_copy(func->name, tv) == -1)
+ return -1;
+
+ tv->v_type = VAR_FUNC;
+ }
+ func_ref(func->name);
+ }
+ else if (PyBytes_Check(obj))
+ {
+ char_u *str;
+
+ if (PyBytes_AsStringAndSize(obj, (char **) &str, NULL) == -1)
+ return -1;
+ if (str == NULL)
+ return -1;
+
+ if (set_string_copy(str, tv) == -1)
+ return -1;
+
+ tv->v_type = VAR_STRING;
+ }
+ else if (PyUnicode_Check(obj))
+ {
+ PyObject *bytes;
+ char_u *str;
+
+ bytes = PyUnicode_AsEncodedString(obj, ENC_OPT, NULL);
+ if (bytes == NULL)
+ return -1;
+
+ if(PyBytes_AsStringAndSize(bytes, (char **) &str, NULL) == -1)
+ return -1;
+ if (str == NULL)
+ return -1;
+
+ if (set_string_copy(str, tv))
+ {
+ Py_XDECREF(bytes);
+ return -1;
+ }
+ Py_XDECREF(bytes);
+
+ tv->v_type = VAR_STRING;
+ }
+#if PY_MAJOR_VERSION < 3
+ else if (PyInt_Check(obj))
+ {
+ tv->v_type = VAR_NUMBER;
+ tv->vval.v_number = (varnumber_T) PyInt_AsLong(obj);
+ if (PyErr_Occurred())
+ return -1;
+ }
+#endif
+ else if (PyLong_Check(obj))
+ {
+ tv->v_type = VAR_NUMBER;
+ tv->vval.v_number = (varnumber_T) PyLong_AsLong(obj);
+ if (PyErr_Occurred())
+ return -1;
+ }
+ else if (PyDict_Check(obj))
+ return convert_dl(obj, tv, pydict_to_tv, lookup_dict);
+#ifdef FEAT_FLOAT
+ else if (PyFloat_Check(obj))
+ {
+ tv->v_type = VAR_FLOAT;
+ tv->vval.v_float = (float_T) PyFloat_AsDouble(obj);
+ }
+#endif
+ else if (PyObject_HasAttrString(obj, "keys"))
+ return convert_dl(obj, tv, pymap_to_tv, lookup_dict);
+ /* PyObject_GetIter can create built-in iterator for any sequence object */
+ else if (PyIter_Check(obj) || PySequence_Check(obj))
+ return convert_dl(obj, tv, pyseq_to_tv, lookup_dict);
+ else if (PyMapping_Check(obj))
+ return convert_dl(obj, tv, pymap_to_tv, lookup_dict);
+ else if (PyNumber_Check(obj))
+ {
+ PyObject *num;
+
+ if (!(num = PyNumber_Long(obj)))
+ return -1;
+
+ tv->v_type = VAR_NUMBER;
+ tv->vval.v_number = (varnumber_T) PyLong_AsLong(num);
+
+ Py_DECREF(num);
+ }
+ else if (obj == Py_None)
+ {
+ tv->v_type = VAR_SPECIAL;
+ tv->vval.v_number = VVAL_NONE;
+ }
+ else
+ {
+ PyErr_FORMAT(PyExc_TypeError,
+ N_("unable to convert %s to vim structure"),
+ Py_TYPE_NAME(obj));
+ return -1;
+ }
+ return 0;
+}
+
+ static PyObject *
+ConvertToPyObject(typval_T *tv)
+{
+ typval_T *argv;
+ int i;
+ if (tv == NULL)
+ {
+ PyErr_SET_VIM(N_("internal error: NULL reference passed"));
+ return NULL;
+ }
+ switch (tv->v_type)
+ {
+ case VAR_STRING:
+ return PyBytes_FromString(tv->vval.v_string == NULL
+ ? "" : (char *)tv->vval.v_string);
+ case VAR_NUMBER:
+ return PyLong_FromLong((long) tv->vval.v_number);
+#ifdef FEAT_FLOAT
+ case VAR_FLOAT:
+ return PyFloat_FromDouble((double) tv->vval.v_float);
+#endif
+ case VAR_LIST:
+ return NEW_LIST(tv->vval.v_list);
+ case VAR_DICT:
+ return NEW_DICTIONARY(tv->vval.v_dict);
+ case VAR_FUNC:
+ return NEW_FUNCTION(tv->vval.v_string == NULL
+ ? (char_u *)"" : tv->vval.v_string,
+ 0, NULL, NULL, TRUE);
+ case VAR_PARTIAL:
+ if (tv->vval.v_partial->pt_argc)
+ {
+ argv = PyMem_New(typval_T, (size_t)tv->vval.v_partial->pt_argc);
+ for (i = 0; i < tv->vval.v_partial->pt_argc; i++)
+ copy_tv(&tv->vval.v_partial->pt_argv[i], &argv[i]);
+ }
+ else
+ argv = NULL;
+ if (tv->vval.v_partial->pt_dict != NULL)
+ tv->vval.v_partial->pt_dict->dv_refcount++;
+ return NEW_FUNCTION(tv->vval.v_partial == NULL
+ ? (char_u *)"" : partial_name(tv->vval.v_partial),
+ tv->vval.v_partial->pt_argc, argv,
+ tv->vval.v_partial->pt_dict,
+ tv->vval.v_partial->pt_auto);
+ case VAR_BLOB:
+ return PyBytes_FromStringAndSize(
+ (char*) tv->vval.v_blob->bv_ga.ga_data,
+ (Py_ssize_t) tv->vval.v_blob->bv_ga.ga_len);
+ case VAR_UNKNOWN:
+ case VAR_CHANNEL:
+ case VAR_JOB:
+ Py_INCREF(Py_None);
+ return Py_None;
+ case VAR_SPECIAL:
+ switch (tv->vval.v_number)
+ {
+ case VVAL_FALSE: return AlwaysFalse(NULL);
+ case VVAL_TRUE: return AlwaysTrue(NULL);
+ case VVAL_NONE:
+ case VVAL_NULL: return AlwaysNone(NULL);
+ }
+ PyErr_SET_VIM(N_("internal error: invalid value type"));
+ return NULL;
+ }
+ return NULL;
+}
+
+typedef struct
+{
+ PyObject_HEAD
+} CurrentObject;
+static PyTypeObject CurrentType;
+
+ static void
+init_structs(void)
+{
+ vim_memset(&OutputType, 0, sizeof(OutputType));
+ OutputType.tp_name = "vim.message";
+ OutputType.tp_basicsize = sizeof(OutputObject);
+ OutputType.tp_flags = Py_TPFLAGS_DEFAULT;
+ OutputType.tp_doc = "vim message object";
+ OutputType.tp_methods = OutputMethods;
+#if PY_MAJOR_VERSION >= 3
+ OutputType.tp_getattro = (getattrofunc)OutputGetattro;
+ OutputType.tp_setattro = (setattrofunc)OutputSetattro;
+ OutputType.tp_alloc = call_PyType_GenericAlloc;
+ OutputType.tp_new = call_PyType_GenericNew;
+ OutputType.tp_free = call_PyObject_Free;
+ OutputType.tp_base = &PyStdPrinter_Type;
+#else
+ OutputType.tp_getattr = (getattrfunc)OutputGetattr;
+ OutputType.tp_setattr = (setattrfunc)OutputSetattr;
+ // Disabled, because this causes a crash in test86
+ // OutputType.tp_base = &PyFile_Type;
+#endif
+
+ vim_memset(&IterType, 0, sizeof(IterType));
+ IterType.tp_name = "vim.iter";
+ IterType.tp_basicsize = sizeof(IterObject);
+ IterType.tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_GC;
+ IterType.tp_doc = "generic iterator object";
+ IterType.tp_iter = (getiterfunc)IterIter;
+ IterType.tp_iternext = (iternextfunc)IterNext;
+ IterType.tp_dealloc = (destructor)IterDestructor;
+ IterType.tp_traverse = (traverseproc)IterTraverse;
+ IterType.tp_clear = (inquiry)IterClear;
+
+ vim_memset(&BufferType, 0, sizeof(BufferType));
+ BufferType.tp_name = "vim.buffer";
+ BufferType.tp_basicsize = sizeof(BufferType);
+ BufferType.tp_dealloc = (destructor)BufferDestructor;
+ BufferType.tp_repr = (reprfunc)BufferRepr;
+ BufferType.tp_as_sequence = &BufferAsSeq;
+ BufferType.tp_as_mapping = &BufferAsMapping;
+ BufferType.tp_flags = Py_TPFLAGS_DEFAULT;
+ BufferType.tp_doc = "vim buffer object";
+ BufferType.tp_methods = BufferMethods;
+#if PY_MAJOR_VERSION >= 3
+ BufferType.tp_getattro = (getattrofunc)BufferGetattro;
+ BufferType.tp_setattro = (setattrofunc)BufferSetattro;
+ BufferType.tp_alloc = call_PyType_GenericAlloc;
+ BufferType.tp_new = call_PyType_GenericNew;
+ BufferType.tp_free = call_PyObject_Free;
+#else
+ BufferType.tp_getattr = (getattrfunc)BufferGetattr;
+ BufferType.tp_setattr = (setattrfunc)BufferSetattr;
+#endif
+
+ vim_memset(&WindowType, 0, sizeof(WindowType));
+ WindowType.tp_name = "vim.window";
+ WindowType.tp_basicsize = sizeof(WindowObject);
+ WindowType.tp_dealloc = (destructor)WindowDestructor;
+ WindowType.tp_repr = (reprfunc)WindowRepr;
+ WindowType.tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_GC;
+ WindowType.tp_doc = "vim Window object";
+ WindowType.tp_methods = WindowMethods;
+ WindowType.tp_traverse = (traverseproc)WindowTraverse;
+ WindowType.tp_clear = (inquiry)WindowClear;
+#if PY_MAJOR_VERSION >= 3
+ WindowType.tp_getattro = (getattrofunc)WindowGetattro;
+ WindowType.tp_setattro = (setattrofunc)WindowSetattro;
+ WindowType.tp_alloc = call_PyType_GenericAlloc;
+ WindowType.tp_new = call_PyType_GenericNew;
+ WindowType.tp_free = call_PyObject_Free;
+#else
+ WindowType.tp_getattr = (getattrfunc)WindowGetattr;
+ WindowType.tp_setattr = (setattrfunc)WindowSetattr;
+#endif
+
+ vim_memset(&TabPageType, 0, sizeof(TabPageType));
+ TabPageType.tp_name = "vim.tabpage";
+ TabPageType.tp_basicsize = sizeof(TabPageObject);
+ TabPageType.tp_dealloc = (destructor)TabPageDestructor;
+ TabPageType.tp_repr = (reprfunc)TabPageRepr;
+ TabPageType.tp_flags = Py_TPFLAGS_DEFAULT;
+ TabPageType.tp_doc = "vim tab page object";
+ TabPageType.tp_methods = TabPageMethods;
+#if PY_MAJOR_VERSION >= 3
+ TabPageType.tp_getattro = (getattrofunc)TabPageGetattro;
+ TabPageType.tp_alloc = call_PyType_GenericAlloc;
+ TabPageType.tp_new = call_PyType_GenericNew;
+ TabPageType.tp_free = call_PyObject_Free;
+#else
+ TabPageType.tp_getattr = (getattrfunc)TabPageGetattr;
+#endif
+
+ vim_memset(&BufMapType, 0, sizeof(BufMapType));
+ BufMapType.tp_name = "vim.bufferlist";
+ BufMapType.tp_basicsize = sizeof(BufMapObject);
+ BufMapType.tp_as_mapping = &BufMapAsMapping;
+ BufMapType.tp_flags = Py_TPFLAGS_DEFAULT;
+ BufMapType.tp_iter = BufMapIter;
+ BufferType.tp_doc = "vim buffer list";
+
+ vim_memset(&WinListType, 0, sizeof(WinListType));
+ WinListType.tp_name = "vim.windowlist";
+ WinListType.tp_basicsize = sizeof(WinListType);
+ WinListType.tp_as_sequence = &WinListAsSeq;
+ WinListType.tp_flags = Py_TPFLAGS_DEFAULT;
+ WinListType.tp_doc = "vim window list";
+ WinListType.tp_dealloc = (destructor)WinListDestructor;
+
+ vim_memset(&TabListType, 0, sizeof(TabListType));
+ TabListType.tp_name = "vim.tabpagelist";
+ TabListType.tp_basicsize = sizeof(TabListType);
+ TabListType.tp_as_sequence = &TabListAsSeq;
+ TabListType.tp_flags = Py_TPFLAGS_DEFAULT;
+ TabListType.tp_doc = "vim tab page list";
+
+ vim_memset(&RangeType, 0, sizeof(RangeType));
+ RangeType.tp_name = "vim.range";
+ RangeType.tp_basicsize = sizeof(RangeObject);
+ RangeType.tp_dealloc = (destructor)RangeDestructor;
+ RangeType.tp_repr = (reprfunc)RangeRepr;
+ RangeType.tp_as_sequence = &RangeAsSeq;
+ RangeType.tp_as_mapping = &RangeAsMapping;
+ RangeType.tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_GC;
+ RangeType.tp_doc = "vim Range object";
+ RangeType.tp_methods = RangeMethods;
+ RangeType.tp_traverse = (traverseproc)RangeTraverse;
+ RangeType.tp_clear = (inquiry)RangeClear;
+#if PY_MAJOR_VERSION >= 3
+ RangeType.tp_getattro = (getattrofunc)RangeGetattro;
+ RangeType.tp_alloc = call_PyType_GenericAlloc;
+ RangeType.tp_new = call_PyType_GenericNew;
+ RangeType.tp_free = call_PyObject_Free;
+#else
+ RangeType.tp_getattr = (getattrfunc)RangeGetattr;
+#endif
+
+ vim_memset(&CurrentType, 0, sizeof(CurrentType));
+ CurrentType.tp_name = "vim.currentdata";
+ CurrentType.tp_basicsize = sizeof(CurrentObject);
+ CurrentType.tp_flags = Py_TPFLAGS_DEFAULT;
+ CurrentType.tp_doc = "vim current object";
+ CurrentType.tp_methods = CurrentMethods;
+#if PY_MAJOR_VERSION >= 3
+ CurrentType.tp_getattro = (getattrofunc)CurrentGetattro;
+ CurrentType.tp_setattro = (setattrofunc)CurrentSetattro;
+#else
+ CurrentType.tp_getattr = (getattrfunc)CurrentGetattr;
+ CurrentType.tp_setattr = (setattrfunc)CurrentSetattr;
+#endif
+
+ vim_memset(&DictionaryType, 0, sizeof(DictionaryType));
+ DictionaryType.tp_name = "vim.dictionary";
+ DictionaryType.tp_basicsize = sizeof(DictionaryObject);
+ DictionaryType.tp_dealloc = (destructor)DictionaryDestructor;
+ DictionaryType.tp_as_sequence = &DictionaryAsSeq;
+ DictionaryType.tp_as_mapping = &DictionaryAsMapping;
+ DictionaryType.tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE;
+ DictionaryType.tp_doc = "dictionary pushing modifications to vim structure";
+ DictionaryType.tp_methods = DictionaryMethods;
+ DictionaryType.tp_iter = (getiterfunc)DictionaryIter;
+ DictionaryType.tp_new = (newfunc)DictionaryConstructor;
+ DictionaryType.tp_alloc = (allocfunc)PyType_GenericAlloc;
+#if PY_MAJOR_VERSION >= 3
+ DictionaryType.tp_getattro = (getattrofunc)DictionaryGetattro;
+ DictionaryType.tp_setattro = (setattrofunc)DictionarySetattro;
+#else
+ DictionaryType.tp_getattr = (getattrfunc)DictionaryGetattr;
+ DictionaryType.tp_setattr = (setattrfunc)DictionarySetattr;
+#endif
+
+ vim_memset(&ListType, 0, sizeof(ListType));
+ ListType.tp_name = "vim.list";
+ ListType.tp_dealloc = (destructor)ListDestructor;
+ ListType.tp_basicsize = sizeof(ListObject);
+ ListType.tp_as_sequence = &ListAsSeq;
+ ListType.tp_as_mapping = &ListAsMapping;
+ ListType.tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE;
+ ListType.tp_doc = "list pushing modifications to vim structure";
+ ListType.tp_methods = ListMethods;
+ ListType.tp_iter = (getiterfunc)ListIter;
+ ListType.tp_new = (newfunc)ListConstructor;
+ ListType.tp_alloc = (allocfunc)PyType_GenericAlloc;
+#if PY_MAJOR_VERSION >= 3
+ ListType.tp_getattro = (getattrofunc)ListGetattro;
+ ListType.tp_setattro = (setattrofunc)ListSetattro;
+#else
+ ListType.tp_getattr = (getattrfunc)ListGetattr;
+ ListType.tp_setattr = (setattrfunc)ListSetattr;
+#endif
+
+ vim_memset(&FunctionType, 0, sizeof(FunctionType));
+ FunctionType.tp_name = "vim.function";
+ FunctionType.tp_basicsize = sizeof(FunctionObject);
+ FunctionType.tp_dealloc = (destructor)FunctionDestructor;
+ FunctionType.tp_call = (ternaryfunc)FunctionCall;
+ FunctionType.tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE;
+ FunctionType.tp_doc = "object that calls vim function";
+ FunctionType.tp_methods = FunctionMethods;
+ FunctionType.tp_repr = (reprfunc)FunctionRepr;
+ FunctionType.tp_new = (newfunc)FunctionConstructor;
+ FunctionType.tp_alloc = (allocfunc)PyType_GenericAlloc;
+#if PY_MAJOR_VERSION >= 3
+ FunctionType.tp_getattro = (getattrofunc)FunctionGetattro;
+#else
+ FunctionType.tp_getattr = (getattrfunc)FunctionGetattr;
+#endif
+
+ vim_memset(&OptionsType, 0, sizeof(OptionsType));
+ OptionsType.tp_name = "vim.options";
+ OptionsType.tp_basicsize = sizeof(OptionsObject);
+ OptionsType.tp_as_sequence = &OptionsAsSeq;
+ OptionsType.tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_GC;
+ OptionsType.tp_doc = "object for manipulating options";
+ OptionsType.tp_iter = (getiterfunc)OptionsIter;
+ OptionsType.tp_as_mapping = &OptionsAsMapping;
+ OptionsType.tp_dealloc = (destructor)OptionsDestructor;
+ OptionsType.tp_traverse = (traverseproc)OptionsTraverse;
+ OptionsType.tp_clear = (inquiry)OptionsClear;
+
+#if PY_VERSION_HEX < 0x030700f0
+ vim_memset(&LoaderType, 0, sizeof(LoaderType));
+ LoaderType.tp_name = "vim.Loader";
+ LoaderType.tp_basicsize = sizeof(LoaderObject);
+ LoaderType.tp_flags = Py_TPFLAGS_DEFAULT;
+ LoaderType.tp_doc = "vim message object";
+ LoaderType.tp_methods = LoaderMethods;
+ LoaderType.tp_dealloc = (destructor)LoaderDestructor;
+#endif
+
+#if PY_MAJOR_VERSION >= 3
+ vim_memset(&vimmodule, 0, sizeof(vimmodule));
+ vimmodule.m_name = "vim";
+ vimmodule.m_doc = "Vim Python interface\n";
+ vimmodule.m_size = -1;
+ vimmodule.m_methods = VimMethods;
+#endif
+}
+
+#define PYTYPE_READY(type) \
+ if (PyType_Ready(&type)) \
+ return -1;
+
+ static int
+init_types(void)
+{
+ PYTYPE_READY(IterType);
+ PYTYPE_READY(BufferType);
+ PYTYPE_READY(RangeType);
+ PYTYPE_READY(WindowType);
+ PYTYPE_READY(TabPageType);
+ PYTYPE_READY(BufMapType);
+ PYTYPE_READY(WinListType);
+ PYTYPE_READY(TabListType);
+ PYTYPE_READY(CurrentType);
+ PYTYPE_READY(DictionaryType);
+ PYTYPE_READY(ListType);
+ PYTYPE_READY(FunctionType);
+ PYTYPE_READY(OptionsType);
+ PYTYPE_READY(OutputType);
+#if PY_VERSION_HEX < 0x030700f0
+ PYTYPE_READY(LoaderType);
+#endif
+ return 0;
+}
+
+ static int
+init_sys_path(void)
+{
+ PyObject *path;
+ PyObject *path_hook;
+ PyObject *path_hooks;
+
+ if (!(path_hook = PyObject_GetAttrString(vim_module, "path_hook")))
+ return -1;
+
+ if (!(path_hooks = PySys_GetObject("path_hooks")))
+ {
+ PyErr_Clear();
+ path_hooks = PyList_New(1);
+ PyList_SET_ITEM(path_hooks, 0, path_hook);
+ if (PySys_SetObject("path_hooks", path_hooks))
+ {
+ Py_DECREF(path_hooks);
+ return -1;
+ }
+ Py_DECREF(path_hooks);
+ }
+ else if (PyList_Check(path_hooks))
+ {
+ if (PyList_Append(path_hooks, path_hook))
+ {
+ Py_DECREF(path_hook);
+ return -1;
+ }
+ Py_DECREF(path_hook);
+ }
+ else
+ {
+ VimTryStart();
+ emsg(_("Failed to set path hook: sys.path_hooks is not a list\n"
+ "You should now do the following:\n"
+ "- append vim.path_hook to sys.path_hooks\n"
+ "- append vim.VIM_SPECIAL_PATH to sys.path\n"));
+ VimTryEnd(); /* Discard the error */
+ Py_DECREF(path_hook);
+ return 0;
+ }
+
+ if (!(path = PySys_GetObject("path")))
+ {
+ PyErr_Clear();
+ path = PyList_New(1);
+ Py_INCREF(vim_special_path_object);
+ PyList_SET_ITEM(path, 0, vim_special_path_object);
+ if (PySys_SetObject("path", path))
+ {
+ Py_DECREF(path);
+ return -1;
+ }
+ Py_DECREF(path);
+ }
+ else if (PyList_Check(path))
+ {
+ if (PyList_Append(path, vim_special_path_object))
+ return -1;
+ }
+ else
+ {
+ VimTryStart();
+ emsg(_("Failed to set path: sys.path is not a list\n"
+ "You should now append vim.VIM_SPECIAL_PATH to sys.path"));
+ VimTryEnd(); /* Discard the error */
+ }
+
+ return 0;
+}
+
+static BufMapObject TheBufferMap =
+{
+ PyObject_HEAD_INIT(&BufMapType)
+};
+
+static WinListObject TheWindowList =
+{
+ PyObject_HEAD_INIT(&WinListType)
+ NULL
+};
+
+static CurrentObject TheCurrent =
+{
+ PyObject_HEAD_INIT(&CurrentType)
+};
+
+static TabListObject TheTabPageList =
+{
+ PyObject_HEAD_INIT(&TabListType)
+};
+
+static struct numeric_constant {
+ char *name;
+ int val;
+} numeric_constants[] = {
+ {"VAR_LOCKED", VAR_LOCKED},
+ {"VAR_FIXED", VAR_FIXED},
+ {"VAR_SCOPE", VAR_SCOPE},
+ {"VAR_DEF_SCOPE", VAR_DEF_SCOPE},
+};
+
+static struct object_constant {
+ char *name;
+ PyObject *valObject;
+} object_constants[] = {
+ {"buffers", (PyObject *)(void *)&TheBufferMap},
+ {"windows", (PyObject *)(void *)&TheWindowList},
+ {"tabpages", (PyObject *)(void *)&TheTabPageList},
+ {"current", (PyObject *)(void *)&TheCurrent},
+
+ {"Buffer", (PyObject *)&BufferType},
+ {"Range", (PyObject *)&RangeType},
+ {"Window", (PyObject *)&WindowType},
+ {"TabPage", (PyObject *)&TabPageType},
+ {"Dictionary", (PyObject *)&DictionaryType},
+ {"List", (PyObject *)&ListType},
+ {"Function", (PyObject *)&FunctionType},
+ {"Options", (PyObject *)&OptionsType},
+#if PY_VERSION_HEX < 0x030700f0
+ {"_Loader", (PyObject *)&LoaderType},
+#endif
+};
+
+#define ADD_OBJECT(m, name, obj) \
+ if (PyModule_AddObject(m, name, obj)) \
+ return -1;
+
+#define ADD_CHECKED_OBJECT(m, name, obj) \
+ { \
+ PyObject *valObject = obj; \
+ if (!valObject) \
+ return -1; \
+ ADD_OBJECT(m, name, valObject); \
+ }
+
+ static int
+populate_module(PyObject *m)
+{
+ int i;
+ PyObject *other_module;
+ PyObject *attr;
+ PyObject *imp;
+#if PY_VERSION_HEX >= 0x030700f0
+ PyObject *dict;
+ PyObject *cls;
+#endif
+
+ for (i = 0; i < (int)(sizeof(numeric_constants)
+ / sizeof(struct numeric_constant));
+ ++i)
+ ADD_CHECKED_OBJECT(m, numeric_constants[i].name,
+ PyInt_FromLong(numeric_constants[i].val));
+
+ for (i = 0; i < (int)(sizeof(object_constants)
+ / sizeof(struct object_constant));
+ ++i)
+ {
+ PyObject *valObject;
+
+ valObject = object_constants[i].valObject;
+ Py_INCREF(valObject);
+ ADD_OBJECT(m, object_constants[i].name, valObject);
+ }
+
+ if (!(VimError = PyErr_NewException("vim.error", NULL, NULL)))
+ return -1;
+ ADD_OBJECT(m, "error", VimError);
+
+ ADD_CHECKED_OBJECT(m, "vars", NEW_DICTIONARY(&globvardict));
+ ADD_CHECKED_OBJECT(m, "vvars", NEW_DICTIONARY(&vimvardict));
+ ADD_CHECKED_OBJECT(m, "options",
+ OptionsNew(SREQ_GLOBAL, NULL, dummy_check, NULL));
+
+ if (!(other_module = PyImport_ImportModule("os")))
+ return -1;
+ ADD_OBJECT(m, "os", other_module);
+
+#if PY_MAJOR_VERSION >= 3
+ if (!(py_getcwd = PyObject_GetAttrString(other_module, "getcwd")))
+ return -1;
+#else
+ if (!(py_getcwd = PyObject_GetAttrString(other_module, "getcwdu")))
+ return -1;
+#endif
+ ADD_OBJECT(m, "_getcwd", py_getcwd)
+
+ if (!(py_chdir = PyObject_GetAttrString(other_module, "chdir")))
+ return -1;
+ ADD_OBJECT(m, "_chdir", py_chdir);
+ if (!(attr = PyObject_GetAttrString(m, "chdir")))
+ return -1;
+ if (PyObject_SetAttrString(other_module, "chdir", attr))
+ {
+ Py_DECREF(attr);
+ return -1;
+ }
+ Py_DECREF(attr);
+
+ if ((py_fchdir = PyObject_GetAttrString(other_module, "fchdir")))
+ {
+ ADD_OBJECT(m, "_fchdir", py_fchdir);
+ if (!(attr = PyObject_GetAttrString(m, "fchdir")))
+ return -1;
+ if (PyObject_SetAttrString(other_module, "fchdir", attr))
+ {
+ Py_DECREF(attr);
+ return -1;
+ }
+ Py_DECREF(attr);
+ }
+ else
+ PyErr_Clear();
+
+ if (!(vim_special_path_object = PyString_FromString(vim_special_path)))
+ return -1;
+
+ ADD_OBJECT(m, "VIM_SPECIAL_PATH", vim_special_path_object);
+
+#if PY_VERSION_HEX >= 0x030700f0
+ if (!(imp = PyImport_ImportModule("importlib.machinery")))
+ return -1;
+
+ dict = PyModule_GetDict(imp);
+
+ if (!(cls = PyDict_GetItemString(dict, "PathFinder")))
+ {
+ Py_DECREF(imp);
+ return -1;
+ }
+
+ if (!(py_find_spec = PyObject_GetAttrString(cls, "find_spec")))
+ {
+ Py_DECREF(imp);
+ return -1;
+ }
+
+ Py_DECREF(imp);
+
+ ADD_OBJECT(m, "_find_spec", py_find_spec);
+#else
+ if (!(imp = PyImport_ImportModule("imp")))
+ return -1;
+
+ if (!(py_find_module = PyObject_GetAttrString(imp, "find_module")))
+ {
+ Py_DECREF(imp);
+ return -1;
+ }
+
+ if (!(py_load_module = PyObject_GetAttrString(imp, "load_module")))
+ {
+ Py_DECREF(py_find_module);
+ Py_DECREF(imp);
+ return -1;
+ }
+
+ Py_DECREF(imp);
+
+ ADD_OBJECT(m, "_find_module", py_find_module);
+ ADD_OBJECT(m, "_load_module", py_load_module);
+#endif
+
+ return 0;
+}