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1 /* File automatically generated by Parser/asdl_c.py. */
2 
3 
4 /*
5    __version__ 82160.
6 
7    This module must be committed separately after each AST grammar change;
8    The __version__ number is set to the revision number of the commit
9    containing the grammar change.
10 */
11 
12 #include "Python.h"
13 #include "Python-ast.h"
14 
15 static PyTypeObject AST_type;
16 static PyTypeObject *mod_type;
17 static PyObject* ast2obj_mod(void*);
18 static PyTypeObject *Module_type;
19 static char *Module_fields[]={
20         "body",
21 };
22 static PyTypeObject *Interactive_type;
23 static char *Interactive_fields[]={
24         "body",
25 };
26 static PyTypeObject *Expression_type;
27 static char *Expression_fields[]={
28         "body",
29 };
30 static PyTypeObject *Suite_type;
31 static char *Suite_fields[]={
32         "body",
33 };
34 static PyTypeObject *stmt_type;
35 static char *stmt_attributes[] = {
36         "lineno",
37         "col_offset",
38 };
39 static PyObject* ast2obj_stmt(void*);
40 static PyTypeObject *FunctionDef_type;
41 static char *FunctionDef_fields[]={
42         "name",
43         "args",
44         "body",
45         "decorator_list",
46 };
47 static PyTypeObject *ClassDef_type;
48 static char *ClassDef_fields[]={
49         "name",
50         "bases",
51         "body",
52         "decorator_list",
53 };
54 static PyTypeObject *Return_type;
55 static char *Return_fields[]={
56         "value",
57 };
58 static PyTypeObject *Delete_type;
59 static char *Delete_fields[]={
60         "targets",
61 };
62 static PyTypeObject *Assign_type;
63 static char *Assign_fields[]={
64         "targets",
65         "value",
66 };
67 static PyTypeObject *AugAssign_type;
68 static char *AugAssign_fields[]={
69         "target",
70         "op",
71         "value",
72 };
73 static PyTypeObject *Print_type;
74 static char *Print_fields[]={
75         "dest",
76         "values",
77         "nl",
78 };
79 static PyTypeObject *For_type;
80 static char *For_fields[]={
81         "target",
82         "iter",
83         "body",
84         "orelse",
85 };
86 static PyTypeObject *While_type;
87 static char *While_fields[]={
88         "test",
89         "body",
90         "orelse",
91 };
92 static PyTypeObject *If_type;
93 static char *If_fields[]={
94         "test",
95         "body",
96         "orelse",
97 };
98 static PyTypeObject *With_type;
99 static char *With_fields[]={
100         "context_expr",
101         "optional_vars",
102         "body",
103 };
104 static PyTypeObject *Raise_type;
105 static char *Raise_fields[]={
106         "type",
107         "inst",
108         "tback",
109 };
110 static PyTypeObject *TryExcept_type;
111 static char *TryExcept_fields[]={
112         "body",
113         "handlers",
114         "orelse",
115 };
116 static PyTypeObject *TryFinally_type;
117 static char *TryFinally_fields[]={
118         "body",
119         "finalbody",
120 };
121 static PyTypeObject *Assert_type;
122 static char *Assert_fields[]={
123         "test",
124         "msg",
125 };
126 static PyTypeObject *Import_type;
127 static char *Import_fields[]={
128         "names",
129 };
130 static PyTypeObject *ImportFrom_type;
131 static char *ImportFrom_fields[]={
132         "module",
133         "names",
134         "level",
135 };
136 static PyTypeObject *Exec_type;
137 static char *Exec_fields[]={
138         "body",
139         "globals",
140         "locals",
141 };
142 static PyTypeObject *Global_type;
143 static char *Global_fields[]={
144         "names",
145 };
146 static PyTypeObject *Expr_type;
147 static char *Expr_fields[]={
148         "value",
149 };
150 static PyTypeObject *Pass_type;
151 static PyTypeObject *Break_type;
152 static PyTypeObject *Continue_type;
153 static PyTypeObject *expr_type;
154 static char *expr_attributes[] = {
155         "lineno",
156         "col_offset",
157 };
158 static PyObject* ast2obj_expr(void*);
159 static PyTypeObject *BoolOp_type;
160 static char *BoolOp_fields[]={
161         "op",
162         "values",
163 };
164 static PyTypeObject *BinOp_type;
165 static char *BinOp_fields[]={
166         "left",
167         "op",
168         "right",
169 };
170 static PyTypeObject *UnaryOp_type;
171 static char *UnaryOp_fields[]={
172         "op",
173         "operand",
174 };
175 static PyTypeObject *Lambda_type;
176 static char *Lambda_fields[]={
177         "args",
178         "body",
179 };
180 static PyTypeObject *IfExp_type;
181 static char *IfExp_fields[]={
182         "test",
183         "body",
184         "orelse",
185 };
186 static PyTypeObject *Dict_type;
187 static char *Dict_fields[]={
188         "keys",
189         "values",
190 };
191 static PyTypeObject *Set_type;
192 static char *Set_fields[]={
193         "elts",
194 };
195 static PyTypeObject *ListComp_type;
196 static char *ListComp_fields[]={
197         "elt",
198         "generators",
199 };
200 static PyTypeObject *SetComp_type;
201 static char *SetComp_fields[]={
202         "elt",
203         "generators",
204 };
205 static PyTypeObject *DictComp_type;
206 static char *DictComp_fields[]={
207         "key",
208         "value",
209         "generators",
210 };
211 static PyTypeObject *GeneratorExp_type;
212 static char *GeneratorExp_fields[]={
213         "elt",
214         "generators",
215 };
216 static PyTypeObject *Yield_type;
217 static char *Yield_fields[]={
218         "value",
219 };
220 static PyTypeObject *Compare_type;
221 static char *Compare_fields[]={
222         "left",
223         "ops",
224         "comparators",
225 };
226 static PyTypeObject *Call_type;
227 static char *Call_fields[]={
228         "func",
229         "args",
230         "keywords",
231         "starargs",
232         "kwargs",
233 };
234 static PyTypeObject *Repr_type;
235 static char *Repr_fields[]={
236         "value",
237 };
238 static PyTypeObject *Num_type;
239 static char *Num_fields[]={
240         "n",
241 };
242 static PyTypeObject *Str_type;
243 static char *Str_fields[]={
244         "s",
245 };
246 static PyTypeObject *Attribute_type;
247 static char *Attribute_fields[]={
248         "value",
249         "attr",
250         "ctx",
251 };
252 static PyTypeObject *Subscript_type;
253 static char *Subscript_fields[]={
254         "value",
255         "slice",
256         "ctx",
257 };
258 static PyTypeObject *Name_type;
259 static char *Name_fields[]={
260         "id",
261         "ctx",
262 };
263 static PyTypeObject *List_type;
264 static char *List_fields[]={
265         "elts",
266         "ctx",
267 };
268 static PyTypeObject *Tuple_type;
269 static char *Tuple_fields[]={
270         "elts",
271         "ctx",
272 };
273 static PyTypeObject *expr_context_type;
274 static PyObject *Load_singleton, *Store_singleton, *Del_singleton,
275 *AugLoad_singleton, *AugStore_singleton, *Param_singleton;
276 static PyObject* ast2obj_expr_context(expr_context_ty);
277 static PyTypeObject *Load_type;
278 static PyTypeObject *Store_type;
279 static PyTypeObject *Del_type;
280 static PyTypeObject *AugLoad_type;
281 static PyTypeObject *AugStore_type;
282 static PyTypeObject *Param_type;
283 static PyTypeObject *slice_type;
284 static PyObject* ast2obj_slice(void*);
285 static PyTypeObject *Ellipsis_type;
286 static PyTypeObject *Slice_type;
287 static char *Slice_fields[]={
288         "lower",
289         "upper",
290         "step",
291 };
292 static PyTypeObject *ExtSlice_type;
293 static char *ExtSlice_fields[]={
294         "dims",
295 };
296 static PyTypeObject *Index_type;
297 static char *Index_fields[]={
298         "value",
299 };
300 static PyTypeObject *boolop_type;
301 static PyObject *And_singleton, *Or_singleton;
302 static PyObject* ast2obj_boolop(boolop_ty);
303 static PyTypeObject *And_type;
304 static PyTypeObject *Or_type;
305 static PyTypeObject *operator_type;
306 static PyObject *Add_singleton, *Sub_singleton, *Mult_singleton,
307 *Div_singleton, *Mod_singleton, *Pow_singleton, *LShift_singleton,
308 *RShift_singleton, *BitOr_singleton, *BitXor_singleton, *BitAnd_singleton,
309 *FloorDiv_singleton;
310 static PyObject* ast2obj_operator(operator_ty);
311 static PyTypeObject *Add_type;
312 static PyTypeObject *Sub_type;
313 static PyTypeObject *Mult_type;
314 static PyTypeObject *Div_type;
315 static PyTypeObject *Mod_type;
316 static PyTypeObject *Pow_type;
317 static PyTypeObject *LShift_type;
318 static PyTypeObject *RShift_type;
319 static PyTypeObject *BitOr_type;
320 static PyTypeObject *BitXor_type;
321 static PyTypeObject *BitAnd_type;
322 static PyTypeObject *FloorDiv_type;
323 static PyTypeObject *unaryop_type;
324 static PyObject *Invert_singleton, *Not_singleton, *UAdd_singleton,
325 *USub_singleton;
326 static PyObject* ast2obj_unaryop(unaryop_ty);
327 static PyTypeObject *Invert_type;
328 static PyTypeObject *Not_type;
329 static PyTypeObject *UAdd_type;
330 static PyTypeObject *USub_type;
331 static PyTypeObject *cmpop_type;
332 static PyObject *Eq_singleton, *NotEq_singleton, *Lt_singleton, *LtE_singleton,
333 *Gt_singleton, *GtE_singleton, *Is_singleton, *IsNot_singleton, *In_singleton,
334 *NotIn_singleton;
335 static PyObject* ast2obj_cmpop(cmpop_ty);
336 static PyTypeObject *Eq_type;
337 static PyTypeObject *NotEq_type;
338 static PyTypeObject *Lt_type;
339 static PyTypeObject *LtE_type;
340 static PyTypeObject *Gt_type;
341 static PyTypeObject *GtE_type;
342 static PyTypeObject *Is_type;
343 static PyTypeObject *IsNot_type;
344 static PyTypeObject *In_type;
345 static PyTypeObject *NotIn_type;
346 static PyTypeObject *comprehension_type;
347 static PyObject* ast2obj_comprehension(void*);
348 static char *comprehension_fields[]={
349         "target",
350         "iter",
351         "ifs",
352 };
353 static PyTypeObject *excepthandler_type;
354 static char *excepthandler_attributes[] = {
355         "lineno",
356         "col_offset",
357 };
358 static PyObject* ast2obj_excepthandler(void*);
359 static PyTypeObject *ExceptHandler_type;
360 static char *ExceptHandler_fields[]={
361         "type",
362         "name",
363         "body",
364 };
365 static PyTypeObject *arguments_type;
366 static PyObject* ast2obj_arguments(void*);
367 static char *arguments_fields[]={
368         "args",
369         "vararg",
370         "kwarg",
371         "defaults",
372 };
373 static PyTypeObject *keyword_type;
374 static PyObject* ast2obj_keyword(void*);
375 static char *keyword_fields[]={
376         "arg",
377         "value",
378 };
379 static PyTypeObject *alias_type;
380 static PyObject* ast2obj_alias(void*);
381 static char *alias_fields[]={
382         "name",
383         "asname",
384 };
385 
386 
387 static int
ast_type_init(PyObject * self,PyObject * args,PyObject * kw)388 ast_type_init(PyObject *self, PyObject *args, PyObject *kw)
389 {
390     Py_ssize_t i, numfields = 0;
391     int res = -1;
392     PyObject *key, *value, *fields;
393     fields = PyObject_GetAttrString((PyObject*)Py_TYPE(self), "_fields");
394     if (!fields)
395         PyErr_Clear();
396     if (fields) {
397         numfields = PySequence_Size(fields);
398         if (numfields == -1)
399             goto cleanup;
400     }
401     res = 0; /* if no error occurs, this stays 0 to the end */
402     if (PyTuple_GET_SIZE(args) > 0) {
403         if (numfields != PyTuple_GET_SIZE(args)) {
404             PyErr_Format(PyExc_TypeError, "%.400s constructor takes %s"
405                          "%zd positional argument%s",
406                          Py_TYPE(self)->tp_name,
407                          numfields == 0 ? "" : "either 0 or ",
408                          numfields, numfields == 1 ? "" : "s");
409             res = -1;
410             goto cleanup;
411         }
412         for (i = 0; i < PyTuple_GET_SIZE(args); i++) {
413             /* cannot be reached when fields is NULL */
414             PyObject *name = PySequence_GetItem(fields, i);
415             if (!name) {
416                 res = -1;
417                 goto cleanup;
418             }
419             res = PyObject_SetAttr(self, name, PyTuple_GET_ITEM(args, i));
420             Py_DECREF(name);
421             if (res < 0)
422                 goto cleanup;
423         }
424     }
425     if (kw) {
426         i = 0;  /* needed by PyDict_Next */
427         while (PyDict_Next(kw, &i, &key, &value)) {
428             res = PyObject_SetAttr(self, key, value);
429             if (res < 0)
430                 goto cleanup;
431         }
432     }
433   cleanup:
434     Py_XDECREF(fields);
435     return res;
436 }
437 
438 /* Pickling support */
439 static PyObject *
ast_type_reduce(PyObject * self,PyObject * unused)440 ast_type_reduce(PyObject *self, PyObject *unused)
441 {
442     PyObject *res;
443     PyObject *dict = PyObject_GetAttrString(self, "__dict__");
444     if (dict == NULL) {
445         if (PyErr_ExceptionMatches(PyExc_AttributeError))
446             PyErr_Clear();
447         else
448             return NULL;
449     }
450     if (dict) {
451         res = Py_BuildValue("O()O", Py_TYPE(self), dict);
452         Py_DECREF(dict);
453         return res;
454     }
455     return Py_BuildValue("O()", Py_TYPE(self));
456 }
457 
458 static PyMethodDef ast_type_methods[] = {
459     {"__reduce__", ast_type_reduce, METH_NOARGS, NULL},
460     {NULL}
461 };
462 
463 static PyTypeObject AST_type = {
464     PyVarObject_HEAD_INIT(&PyType_Type, 0)
465     "_ast.AST",
466     sizeof(PyObject),
467     0,
468     0,                       /* tp_dealloc */
469     0,                       /* tp_print */
470     0,                       /* tp_getattr */
471     0,                       /* tp_setattr */
472     0,                       /* tp_compare */
473     0,                       /* tp_repr */
474     0,                       /* tp_as_number */
475     0,                       /* tp_as_sequence */
476     0,                       /* tp_as_mapping */
477     0,                       /* tp_hash */
478     0,                       /* tp_call */
479     0,                       /* tp_str */
480     PyObject_GenericGetAttr, /* tp_getattro */
481     PyObject_GenericSetAttr, /* tp_setattro */
482     0,                       /* tp_as_buffer */
483     Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */
484     0,                       /* tp_doc */
485     0,                       /* tp_traverse */
486     0,                       /* tp_clear */
487     0,                       /* tp_richcompare */
488     0,                       /* tp_weaklistoffset */
489     0,                       /* tp_iter */
490     0,                       /* tp_iternext */
491     ast_type_methods,        /* tp_methods */
492     0,                       /* tp_members */
493     0,                       /* tp_getset */
494     0,                       /* tp_base */
495     0,                       /* tp_dict */
496     0,                       /* tp_descr_get */
497     0,                       /* tp_descr_set */
498     0,                       /* tp_dictoffset */
499     (initproc)ast_type_init, /* tp_init */
500     PyType_GenericAlloc,     /* tp_alloc */
501     PyType_GenericNew,       /* tp_new */
502     PyObject_Del,            /* tp_free */
503 };
504 
505 
make_type(char * type,PyTypeObject * base,char ** fields,int num_fields)506 static PyTypeObject* make_type(char *type, PyTypeObject* base, char**fields, int num_fields)
507 {
508     PyObject *fnames, *result;
509     int i;
510     fnames = PyTuple_New(num_fields);
511     if (!fnames) return NULL;
512     for (i = 0; i < num_fields; i++) {
513         PyObject *field = PyString_FromString(fields[i]);
514         if (!field) {
515             Py_DECREF(fnames);
516             return NULL;
517         }
518         PyTuple_SET_ITEM(fnames, i, field);
519     }
520     result = PyObject_CallFunction((PyObject*)&PyType_Type, "s(O){sOss}",
521                     type, base, "_fields", fnames, "__module__", "_ast");
522     Py_DECREF(fnames);
523     return (PyTypeObject*)result;
524 }
525 
add_attributes(PyTypeObject * type,char ** attrs,int num_fields)526 static int add_attributes(PyTypeObject* type, char**attrs, int num_fields)
527 {
528     int i, result;
529     PyObject *s, *l = PyTuple_New(num_fields);
530     if (!l)
531         return 0;
532     for (i = 0; i < num_fields; i++) {
533         s = PyString_FromString(attrs[i]);
534         if (!s) {
535             Py_DECREF(l);
536             return 0;
537         }
538         PyTuple_SET_ITEM(l, i, s);
539     }
540     result = PyObject_SetAttrString((PyObject*)type, "_attributes", l) >= 0;
541     Py_DECREF(l);
542     return result;
543 }
544 
545 /* Conversion AST -> Python */
546 
ast2obj_list(asdl_seq * seq,PyObject * (* func)(void *))547 static PyObject* ast2obj_list(asdl_seq *seq, PyObject* (*func)(void*))
548 {
549     int i, n = asdl_seq_LEN(seq);
550     PyObject *result = PyList_New(n);
551     PyObject *value;
552     if (!result)
553         return NULL;
554     for (i = 0; i < n; i++) {
555         value = func(asdl_seq_GET(seq, i));
556         if (!value) {
557             Py_DECREF(result);
558             return NULL;
559         }
560         PyList_SET_ITEM(result, i, value);
561     }
562     return result;
563 }
564 
ast2obj_object(void * o)565 static PyObject* ast2obj_object(void *o)
566 {
567     if (!o)
568         o = Py_None;
569     Py_INCREF((PyObject*)o);
570     return (PyObject*)o;
571 }
572 #define ast2obj_identifier ast2obj_object
573 #define ast2obj_string ast2obj_object
ast2obj_bool(bool b)574 static PyObject* ast2obj_bool(bool b)
575 {
576     return PyBool_FromLong(b);
577 }
578 
ast2obj_int(long b)579 static PyObject* ast2obj_int(long b)
580 {
581     return PyInt_FromLong(b);
582 }
583 
584 /* Conversion Python -> AST */
585 
obj2ast_object(PyObject * obj,PyObject ** out,PyArena * arena)586 static int obj2ast_object(PyObject* obj, PyObject** out, PyArena* arena)
587 {
588     if (obj == Py_None)
589         obj = NULL;
590     if (obj)
591         PyArena_AddPyObject(arena, obj);
592     Py_XINCREF(obj);
593     *out = obj;
594     return 0;
595 }
596 
obj2ast_identifier(PyObject * obj,PyObject ** out,PyArena * arena)597 static int obj2ast_identifier(PyObject* obj, PyObject** out, PyArena* arena)
598 {
599     if (!PyString_CheckExact(obj) && obj != Py_None) {
600         PyErr_Format(PyExc_TypeError,
601                     "AST identifier must be of type str");
602         return 1;
603     }
604     return obj2ast_object(obj, out, arena);
605 }
606 
obj2ast_string(PyObject * obj,PyObject ** out,PyArena * arena)607 static int obj2ast_string(PyObject* obj, PyObject** out, PyArena* arena)
608 {
609     if (!PyString_CheckExact(obj) && !PyUnicode_CheckExact(obj)) {
610         PyErr_SetString(PyExc_TypeError,
611                        "AST string must be of type str or unicode");
612         return 1;
613     }
614     return obj2ast_object(obj, out, arena);
615 }
616 
obj2ast_int(PyObject * obj,int * out,PyArena * arena)617 static int obj2ast_int(PyObject* obj, int* out, PyArena* arena)
618 {
619     int i;
620     if (!PyInt_Check(obj) && !PyLong_Check(obj)) {
621         PyObject *s = PyObject_Repr(obj);
622         if (s == NULL) return 1;
623         PyErr_Format(PyExc_ValueError, "invalid integer value: %.400s",
624                      PyString_AS_STRING(s));
625         Py_DECREF(s);
626         return 1;
627     }
628 
629     i = (int)PyLong_AsLong(obj);
630     if (i == -1 && PyErr_Occurred())
631         return 1;
632     *out = i;
633     return 0;
634 }
635 
obj2ast_bool(PyObject * obj,bool * out,PyArena * arena)636 static int obj2ast_bool(PyObject* obj, bool* out, PyArena* arena)
637 {
638     if (!PyBool_Check(obj)) {
639         PyObject *s = PyObject_Repr(obj);
640         if (s == NULL) return 1;
641         PyErr_Format(PyExc_ValueError, "invalid boolean value: %.400s",
642                      PyString_AS_STRING(s));
643         Py_DECREF(s);
644         return 1;
645     }
646 
647     *out = (obj == Py_True);
648     return 0;
649 }
650 
add_ast_fields(void)651 static int add_ast_fields(void)
652 {
653     PyObject *empty_tuple, *d;
654     if (PyType_Ready(&AST_type) < 0)
655         return -1;
656     d = AST_type.tp_dict;
657     empty_tuple = PyTuple_New(0);
658     if (!empty_tuple ||
659         PyDict_SetItemString(d, "_fields", empty_tuple) < 0 ||
660         PyDict_SetItemString(d, "_attributes", empty_tuple) < 0) {
661         Py_XDECREF(empty_tuple);
662         return -1;
663     }
664     Py_DECREF(empty_tuple);
665     return 0;
666 }
667 
668 
init_types(void)669 static int init_types(void)
670 {
671         static int initialized;
672         if (initialized) return 1;
673         if (add_ast_fields() < 0) return 0;
674         mod_type = make_type("mod", &AST_type, NULL, 0);
675         if (!mod_type) return 0;
676         if (!add_attributes(mod_type, NULL, 0)) return 0;
677         Module_type = make_type("Module", mod_type, Module_fields, 1);
678         if (!Module_type) return 0;
679         Interactive_type = make_type("Interactive", mod_type,
680                                      Interactive_fields, 1);
681         if (!Interactive_type) return 0;
682         Expression_type = make_type("Expression", mod_type, Expression_fields,
683                                     1);
684         if (!Expression_type) return 0;
685         Suite_type = make_type("Suite", mod_type, Suite_fields, 1);
686         if (!Suite_type) return 0;
687         stmt_type = make_type("stmt", &AST_type, NULL, 0);
688         if (!stmt_type) return 0;
689         if (!add_attributes(stmt_type, stmt_attributes, 2)) return 0;
690         FunctionDef_type = make_type("FunctionDef", stmt_type,
691                                      FunctionDef_fields, 4);
692         if (!FunctionDef_type) return 0;
693         ClassDef_type = make_type("ClassDef", stmt_type, ClassDef_fields, 4);
694         if (!ClassDef_type) return 0;
695         Return_type = make_type("Return", stmt_type, Return_fields, 1);
696         if (!Return_type) return 0;
697         Delete_type = make_type("Delete", stmt_type, Delete_fields, 1);
698         if (!Delete_type) return 0;
699         Assign_type = make_type("Assign", stmt_type, Assign_fields, 2);
700         if (!Assign_type) return 0;
701         AugAssign_type = make_type("AugAssign", stmt_type, AugAssign_fields, 3);
702         if (!AugAssign_type) return 0;
703         Print_type = make_type("Print", stmt_type, Print_fields, 3);
704         if (!Print_type) return 0;
705         For_type = make_type("For", stmt_type, For_fields, 4);
706         if (!For_type) return 0;
707         While_type = make_type("While", stmt_type, While_fields, 3);
708         if (!While_type) return 0;
709         If_type = make_type("If", stmt_type, If_fields, 3);
710         if (!If_type) return 0;
711         With_type = make_type("With", stmt_type, With_fields, 3);
712         if (!With_type) return 0;
713         Raise_type = make_type("Raise", stmt_type, Raise_fields, 3);
714         if (!Raise_type) return 0;
715         TryExcept_type = make_type("TryExcept", stmt_type, TryExcept_fields, 3);
716         if (!TryExcept_type) return 0;
717         TryFinally_type = make_type("TryFinally", stmt_type, TryFinally_fields,
718                                     2);
719         if (!TryFinally_type) return 0;
720         Assert_type = make_type("Assert", stmt_type, Assert_fields, 2);
721         if (!Assert_type) return 0;
722         Import_type = make_type("Import", stmt_type, Import_fields, 1);
723         if (!Import_type) return 0;
724         ImportFrom_type = make_type("ImportFrom", stmt_type, ImportFrom_fields,
725                                     3);
726         if (!ImportFrom_type) return 0;
727         Exec_type = make_type("Exec", stmt_type, Exec_fields, 3);
728         if (!Exec_type) return 0;
729         Global_type = make_type("Global", stmt_type, Global_fields, 1);
730         if (!Global_type) return 0;
731         Expr_type = make_type("Expr", stmt_type, Expr_fields, 1);
732         if (!Expr_type) return 0;
733         Pass_type = make_type("Pass", stmt_type, NULL, 0);
734         if (!Pass_type) return 0;
735         Break_type = make_type("Break", stmt_type, NULL, 0);
736         if (!Break_type) return 0;
737         Continue_type = make_type("Continue", stmt_type, NULL, 0);
738         if (!Continue_type) return 0;
739         expr_type = make_type("expr", &AST_type, NULL, 0);
740         if (!expr_type) return 0;
741         if (!add_attributes(expr_type, expr_attributes, 2)) return 0;
742         BoolOp_type = make_type("BoolOp", expr_type, BoolOp_fields, 2);
743         if (!BoolOp_type) return 0;
744         BinOp_type = make_type("BinOp", expr_type, BinOp_fields, 3);
745         if (!BinOp_type) return 0;
746         UnaryOp_type = make_type("UnaryOp", expr_type, UnaryOp_fields, 2);
747         if (!UnaryOp_type) return 0;
748         Lambda_type = make_type("Lambda", expr_type, Lambda_fields, 2);
749         if (!Lambda_type) return 0;
750         IfExp_type = make_type("IfExp", expr_type, IfExp_fields, 3);
751         if (!IfExp_type) return 0;
752         Dict_type = make_type("Dict", expr_type, Dict_fields, 2);
753         if (!Dict_type) return 0;
754         Set_type = make_type("Set", expr_type, Set_fields, 1);
755         if (!Set_type) return 0;
756         ListComp_type = make_type("ListComp", expr_type, ListComp_fields, 2);
757         if (!ListComp_type) return 0;
758         SetComp_type = make_type("SetComp", expr_type, SetComp_fields, 2);
759         if (!SetComp_type) return 0;
760         DictComp_type = make_type("DictComp", expr_type, DictComp_fields, 3);
761         if (!DictComp_type) return 0;
762         GeneratorExp_type = make_type("GeneratorExp", expr_type,
763                                       GeneratorExp_fields, 2);
764         if (!GeneratorExp_type) return 0;
765         Yield_type = make_type("Yield", expr_type, Yield_fields, 1);
766         if (!Yield_type) return 0;
767         Compare_type = make_type("Compare", expr_type, Compare_fields, 3);
768         if (!Compare_type) return 0;
769         Call_type = make_type("Call", expr_type, Call_fields, 5);
770         if (!Call_type) return 0;
771         Repr_type = make_type("Repr", expr_type, Repr_fields, 1);
772         if (!Repr_type) return 0;
773         Num_type = make_type("Num", expr_type, Num_fields, 1);
774         if (!Num_type) return 0;
775         Str_type = make_type("Str", expr_type, Str_fields, 1);
776         if (!Str_type) return 0;
777         Attribute_type = make_type("Attribute", expr_type, Attribute_fields, 3);
778         if (!Attribute_type) return 0;
779         Subscript_type = make_type("Subscript", expr_type, Subscript_fields, 3);
780         if (!Subscript_type) return 0;
781         Name_type = make_type("Name", expr_type, Name_fields, 2);
782         if (!Name_type) return 0;
783         List_type = make_type("List", expr_type, List_fields, 2);
784         if (!List_type) return 0;
785         Tuple_type = make_type("Tuple", expr_type, Tuple_fields, 2);
786         if (!Tuple_type) return 0;
787         expr_context_type = make_type("expr_context", &AST_type, NULL, 0);
788         if (!expr_context_type) return 0;
789         if (!add_attributes(expr_context_type, NULL, 0)) return 0;
790         Load_type = make_type("Load", expr_context_type, NULL, 0);
791         if (!Load_type) return 0;
792         Load_singleton = PyType_GenericNew(Load_type, NULL, NULL);
793         if (!Load_singleton) return 0;
794         Store_type = make_type("Store", expr_context_type, NULL, 0);
795         if (!Store_type) return 0;
796         Store_singleton = PyType_GenericNew(Store_type, NULL, NULL);
797         if (!Store_singleton) return 0;
798         Del_type = make_type("Del", expr_context_type, NULL, 0);
799         if (!Del_type) return 0;
800         Del_singleton = PyType_GenericNew(Del_type, NULL, NULL);
801         if (!Del_singleton) return 0;
802         AugLoad_type = make_type("AugLoad", expr_context_type, NULL, 0);
803         if (!AugLoad_type) return 0;
804         AugLoad_singleton = PyType_GenericNew(AugLoad_type, NULL, NULL);
805         if (!AugLoad_singleton) return 0;
806         AugStore_type = make_type("AugStore", expr_context_type, NULL, 0);
807         if (!AugStore_type) return 0;
808         AugStore_singleton = PyType_GenericNew(AugStore_type, NULL, NULL);
809         if (!AugStore_singleton) return 0;
810         Param_type = make_type("Param", expr_context_type, NULL, 0);
811         if (!Param_type) return 0;
812         Param_singleton = PyType_GenericNew(Param_type, NULL, NULL);
813         if (!Param_singleton) return 0;
814         slice_type = make_type("slice", &AST_type, NULL, 0);
815         if (!slice_type) return 0;
816         if (!add_attributes(slice_type, NULL, 0)) return 0;
817         Ellipsis_type = make_type("Ellipsis", slice_type, NULL, 0);
818         if (!Ellipsis_type) return 0;
819         Slice_type = make_type("Slice", slice_type, Slice_fields, 3);
820         if (!Slice_type) return 0;
821         ExtSlice_type = make_type("ExtSlice", slice_type, ExtSlice_fields, 1);
822         if (!ExtSlice_type) return 0;
823         Index_type = make_type("Index", slice_type, Index_fields, 1);
824         if (!Index_type) return 0;
825         boolop_type = make_type("boolop", &AST_type, NULL, 0);
826         if (!boolop_type) return 0;
827         if (!add_attributes(boolop_type, NULL, 0)) return 0;
828         And_type = make_type("And", boolop_type, NULL, 0);
829         if (!And_type) return 0;
830         And_singleton = PyType_GenericNew(And_type, NULL, NULL);
831         if (!And_singleton) return 0;
832         Or_type = make_type("Or", boolop_type, NULL, 0);
833         if (!Or_type) return 0;
834         Or_singleton = PyType_GenericNew(Or_type, NULL, NULL);
835         if (!Or_singleton) return 0;
836         operator_type = make_type("operator", &AST_type, NULL, 0);
837         if (!operator_type) return 0;
838         if (!add_attributes(operator_type, NULL, 0)) return 0;
839         Add_type = make_type("Add", operator_type, NULL, 0);
840         if (!Add_type) return 0;
841         Add_singleton = PyType_GenericNew(Add_type, NULL, NULL);
842         if (!Add_singleton) return 0;
843         Sub_type = make_type("Sub", operator_type, NULL, 0);
844         if (!Sub_type) return 0;
845         Sub_singleton = PyType_GenericNew(Sub_type, NULL, NULL);
846         if (!Sub_singleton) return 0;
847         Mult_type = make_type("Mult", operator_type, NULL, 0);
848         if (!Mult_type) return 0;
849         Mult_singleton = PyType_GenericNew(Mult_type, NULL, NULL);
850         if (!Mult_singleton) return 0;
851         Div_type = make_type("Div", operator_type, NULL, 0);
852         if (!Div_type) return 0;
853         Div_singleton = PyType_GenericNew(Div_type, NULL, NULL);
854         if (!Div_singleton) return 0;
855         Mod_type = make_type("Mod", operator_type, NULL, 0);
856         if (!Mod_type) return 0;
857         Mod_singleton = PyType_GenericNew(Mod_type, NULL, NULL);
858         if (!Mod_singleton) return 0;
859         Pow_type = make_type("Pow", operator_type, NULL, 0);
860         if (!Pow_type) return 0;
861         Pow_singleton = PyType_GenericNew(Pow_type, NULL, NULL);
862         if (!Pow_singleton) return 0;
863         LShift_type = make_type("LShift", operator_type, NULL, 0);
864         if (!LShift_type) return 0;
865         LShift_singleton = PyType_GenericNew(LShift_type, NULL, NULL);
866         if (!LShift_singleton) return 0;
867         RShift_type = make_type("RShift", operator_type, NULL, 0);
868         if (!RShift_type) return 0;
869         RShift_singleton = PyType_GenericNew(RShift_type, NULL, NULL);
870         if (!RShift_singleton) return 0;
871         BitOr_type = make_type("BitOr", operator_type, NULL, 0);
872         if (!BitOr_type) return 0;
873         BitOr_singleton = PyType_GenericNew(BitOr_type, NULL, NULL);
874         if (!BitOr_singleton) return 0;
875         BitXor_type = make_type("BitXor", operator_type, NULL, 0);
876         if (!BitXor_type) return 0;
877         BitXor_singleton = PyType_GenericNew(BitXor_type, NULL, NULL);
878         if (!BitXor_singleton) return 0;
879         BitAnd_type = make_type("BitAnd", operator_type, NULL, 0);
880         if (!BitAnd_type) return 0;
881         BitAnd_singleton = PyType_GenericNew(BitAnd_type, NULL, NULL);
882         if (!BitAnd_singleton) return 0;
883         FloorDiv_type = make_type("FloorDiv", operator_type, NULL, 0);
884         if (!FloorDiv_type) return 0;
885         FloorDiv_singleton = PyType_GenericNew(FloorDiv_type, NULL, NULL);
886         if (!FloorDiv_singleton) return 0;
887         unaryop_type = make_type("unaryop", &AST_type, NULL, 0);
888         if (!unaryop_type) return 0;
889         if (!add_attributes(unaryop_type, NULL, 0)) return 0;
890         Invert_type = make_type("Invert", unaryop_type, NULL, 0);
891         if (!Invert_type) return 0;
892         Invert_singleton = PyType_GenericNew(Invert_type, NULL, NULL);
893         if (!Invert_singleton) return 0;
894         Not_type = make_type("Not", unaryop_type, NULL, 0);
895         if (!Not_type) return 0;
896         Not_singleton = PyType_GenericNew(Not_type, NULL, NULL);
897         if (!Not_singleton) return 0;
898         UAdd_type = make_type("UAdd", unaryop_type, NULL, 0);
899         if (!UAdd_type) return 0;
900         UAdd_singleton = PyType_GenericNew(UAdd_type, NULL, NULL);
901         if (!UAdd_singleton) return 0;
902         USub_type = make_type("USub", unaryop_type, NULL, 0);
903         if (!USub_type) return 0;
904         USub_singleton = PyType_GenericNew(USub_type, NULL, NULL);
905         if (!USub_singleton) return 0;
906         cmpop_type = make_type("cmpop", &AST_type, NULL, 0);
907         if (!cmpop_type) return 0;
908         if (!add_attributes(cmpop_type, NULL, 0)) return 0;
909         Eq_type = make_type("Eq", cmpop_type, NULL, 0);
910         if (!Eq_type) return 0;
911         Eq_singleton = PyType_GenericNew(Eq_type, NULL, NULL);
912         if (!Eq_singleton) return 0;
913         NotEq_type = make_type("NotEq", cmpop_type, NULL, 0);
914         if (!NotEq_type) return 0;
915         NotEq_singleton = PyType_GenericNew(NotEq_type, NULL, NULL);
916         if (!NotEq_singleton) return 0;
917         Lt_type = make_type("Lt", cmpop_type, NULL, 0);
918         if (!Lt_type) return 0;
919         Lt_singleton = PyType_GenericNew(Lt_type, NULL, NULL);
920         if (!Lt_singleton) return 0;
921         LtE_type = make_type("LtE", cmpop_type, NULL, 0);
922         if (!LtE_type) return 0;
923         LtE_singleton = PyType_GenericNew(LtE_type, NULL, NULL);
924         if (!LtE_singleton) return 0;
925         Gt_type = make_type("Gt", cmpop_type, NULL, 0);
926         if (!Gt_type) return 0;
927         Gt_singleton = PyType_GenericNew(Gt_type, NULL, NULL);
928         if (!Gt_singleton) return 0;
929         GtE_type = make_type("GtE", cmpop_type, NULL, 0);
930         if (!GtE_type) return 0;
931         GtE_singleton = PyType_GenericNew(GtE_type, NULL, NULL);
932         if (!GtE_singleton) return 0;
933         Is_type = make_type("Is", cmpop_type, NULL, 0);
934         if (!Is_type) return 0;
935         Is_singleton = PyType_GenericNew(Is_type, NULL, NULL);
936         if (!Is_singleton) return 0;
937         IsNot_type = make_type("IsNot", cmpop_type, NULL, 0);
938         if (!IsNot_type) return 0;
939         IsNot_singleton = PyType_GenericNew(IsNot_type, NULL, NULL);
940         if (!IsNot_singleton) return 0;
941         In_type = make_type("In", cmpop_type, NULL, 0);
942         if (!In_type) return 0;
943         In_singleton = PyType_GenericNew(In_type, NULL, NULL);
944         if (!In_singleton) return 0;
945         NotIn_type = make_type("NotIn", cmpop_type, NULL, 0);
946         if (!NotIn_type) return 0;
947         NotIn_singleton = PyType_GenericNew(NotIn_type, NULL, NULL);
948         if (!NotIn_singleton) return 0;
949         comprehension_type = make_type("comprehension", &AST_type,
950                                        comprehension_fields, 3);
951         if (!comprehension_type) return 0;
952         excepthandler_type = make_type("excepthandler", &AST_type, NULL, 0);
953         if (!excepthandler_type) return 0;
954         if (!add_attributes(excepthandler_type, excepthandler_attributes, 2))
955             return 0;
956         ExceptHandler_type = make_type("ExceptHandler", excepthandler_type,
957                                        ExceptHandler_fields, 3);
958         if (!ExceptHandler_type) return 0;
959         arguments_type = make_type("arguments", &AST_type, arguments_fields, 4);
960         if (!arguments_type) return 0;
961         keyword_type = make_type("keyword", &AST_type, keyword_fields, 2);
962         if (!keyword_type) return 0;
963         alias_type = make_type("alias", &AST_type, alias_fields, 2);
964         if (!alias_type) return 0;
965         initialized = 1;
966         return 1;
967 }
968 
969 static int obj2ast_mod(PyObject* obj, mod_ty* out, PyArena* arena);
970 static int obj2ast_stmt(PyObject* obj, stmt_ty* out, PyArena* arena);
971 static int obj2ast_expr(PyObject* obj, expr_ty* out, PyArena* arena);
972 static int obj2ast_expr_context(PyObject* obj, expr_context_ty* out, PyArena*
973                                 arena);
974 static int obj2ast_slice(PyObject* obj, slice_ty* out, PyArena* arena);
975 static int obj2ast_boolop(PyObject* obj, boolop_ty* out, PyArena* arena);
976 static int obj2ast_operator(PyObject* obj, operator_ty* out, PyArena* arena);
977 static int obj2ast_unaryop(PyObject* obj, unaryop_ty* out, PyArena* arena);
978 static int obj2ast_cmpop(PyObject* obj, cmpop_ty* out, PyArena* arena);
979 static int obj2ast_comprehension(PyObject* obj, comprehension_ty* out, PyArena*
980                                  arena);
981 static int obj2ast_excepthandler(PyObject* obj, excepthandler_ty* out, PyArena*
982                                  arena);
983 static int obj2ast_arguments(PyObject* obj, arguments_ty* out, PyArena* arena);
984 static int obj2ast_keyword(PyObject* obj, keyword_ty* out, PyArena* arena);
985 static int obj2ast_alias(PyObject* obj, alias_ty* out, PyArena* arena);
986 
987 mod_ty
Module(asdl_seq * body,PyArena * arena)988 Module(asdl_seq * body, PyArena *arena)
989 {
990         mod_ty p;
991         p = (mod_ty)PyArena_Malloc(arena, sizeof(*p));
992         if (!p)
993                 return NULL;
994         p->kind = Module_kind;
995         p->v.Module.body = body;
996         return p;
997 }
998 
999 mod_ty
Interactive(asdl_seq * body,PyArena * arena)1000 Interactive(asdl_seq * body, PyArena *arena)
1001 {
1002         mod_ty p;
1003         p = (mod_ty)PyArena_Malloc(arena, sizeof(*p));
1004         if (!p)
1005                 return NULL;
1006         p->kind = Interactive_kind;
1007         p->v.Interactive.body = body;
1008         return p;
1009 }
1010 
1011 mod_ty
Expression(expr_ty body,PyArena * arena)1012 Expression(expr_ty body, PyArena *arena)
1013 {
1014         mod_ty p;
1015         if (!body) {
1016                 PyErr_SetString(PyExc_ValueError,
1017                                 "field body is required for Expression");
1018                 return NULL;
1019         }
1020         p = (mod_ty)PyArena_Malloc(arena, sizeof(*p));
1021         if (!p)
1022                 return NULL;
1023         p->kind = Expression_kind;
1024         p->v.Expression.body = body;
1025         return p;
1026 }
1027 
1028 mod_ty
Suite(asdl_seq * body,PyArena * arena)1029 Suite(asdl_seq * body, PyArena *arena)
1030 {
1031         mod_ty p;
1032         p = (mod_ty)PyArena_Malloc(arena, sizeof(*p));
1033         if (!p)
1034                 return NULL;
1035         p->kind = Suite_kind;
1036         p->v.Suite.body = body;
1037         return p;
1038 }
1039 
1040 stmt_ty
FunctionDef(identifier name,arguments_ty args,asdl_seq * body,asdl_seq * decorator_list,int lineno,int col_offset,PyArena * arena)1041 FunctionDef(identifier name, arguments_ty args, asdl_seq * body, asdl_seq *
1042             decorator_list, int lineno, int col_offset, PyArena *arena)
1043 {
1044         stmt_ty p;
1045         if (!name) {
1046                 PyErr_SetString(PyExc_ValueError,
1047                                 "field name is required for FunctionDef");
1048                 return NULL;
1049         }
1050         if (!args) {
1051                 PyErr_SetString(PyExc_ValueError,
1052                                 "field args is required for FunctionDef");
1053                 return NULL;
1054         }
1055         p = (stmt_ty)PyArena_Malloc(arena, sizeof(*p));
1056         if (!p)
1057                 return NULL;
1058         p->kind = FunctionDef_kind;
1059         p->v.FunctionDef.name = name;
1060         p->v.FunctionDef.args = args;
1061         p->v.FunctionDef.body = body;
1062         p->v.FunctionDef.decorator_list = decorator_list;
1063         p->lineno = lineno;
1064         p->col_offset = col_offset;
1065         return p;
1066 }
1067 
1068 stmt_ty
ClassDef(identifier name,asdl_seq * bases,asdl_seq * body,asdl_seq * decorator_list,int lineno,int col_offset,PyArena * arena)1069 ClassDef(identifier name, asdl_seq * bases, asdl_seq * body, asdl_seq *
1070          decorator_list, int lineno, int col_offset, PyArena *arena)
1071 {
1072         stmt_ty p;
1073         if (!name) {
1074                 PyErr_SetString(PyExc_ValueError,
1075                                 "field name is required for ClassDef");
1076                 return NULL;
1077         }
1078         p = (stmt_ty)PyArena_Malloc(arena, sizeof(*p));
1079         if (!p)
1080                 return NULL;
1081         p->kind = ClassDef_kind;
1082         p->v.ClassDef.name = name;
1083         p->v.ClassDef.bases = bases;
1084         p->v.ClassDef.body = body;
1085         p->v.ClassDef.decorator_list = decorator_list;
1086         p->lineno = lineno;
1087         p->col_offset = col_offset;
1088         return p;
1089 }
1090 
1091 stmt_ty
Return(expr_ty value,int lineno,int col_offset,PyArena * arena)1092 Return(expr_ty value, int lineno, int col_offset, PyArena *arena)
1093 {
1094         stmt_ty p;
1095         p = (stmt_ty)PyArena_Malloc(arena, sizeof(*p));
1096         if (!p)
1097                 return NULL;
1098         p->kind = Return_kind;
1099         p->v.Return.value = value;
1100         p->lineno = lineno;
1101         p->col_offset = col_offset;
1102         return p;
1103 }
1104 
1105 stmt_ty
Delete(asdl_seq * targets,int lineno,int col_offset,PyArena * arena)1106 Delete(asdl_seq * targets, int lineno, int col_offset, PyArena *arena)
1107 {
1108         stmt_ty p;
1109         p = (stmt_ty)PyArena_Malloc(arena, sizeof(*p));
1110         if (!p)
1111                 return NULL;
1112         p->kind = Delete_kind;
1113         p->v.Delete.targets = targets;
1114         p->lineno = lineno;
1115         p->col_offset = col_offset;
1116         return p;
1117 }
1118 
1119 stmt_ty
Assign(asdl_seq * targets,expr_ty value,int lineno,int col_offset,PyArena * arena)1120 Assign(asdl_seq * targets, expr_ty value, int lineno, int col_offset, PyArena
1121        *arena)
1122 {
1123         stmt_ty p;
1124         if (!value) {
1125                 PyErr_SetString(PyExc_ValueError,
1126                                 "field value is required for Assign");
1127                 return NULL;
1128         }
1129         p = (stmt_ty)PyArena_Malloc(arena, sizeof(*p));
1130         if (!p)
1131                 return NULL;
1132         p->kind = Assign_kind;
1133         p->v.Assign.targets = targets;
1134         p->v.Assign.value = value;
1135         p->lineno = lineno;
1136         p->col_offset = col_offset;
1137         return p;
1138 }
1139 
1140 stmt_ty
AugAssign(expr_ty target,operator_ty op,expr_ty value,int lineno,int col_offset,PyArena * arena)1141 AugAssign(expr_ty target, operator_ty op, expr_ty value, int lineno, int
1142           col_offset, PyArena *arena)
1143 {
1144         stmt_ty p;
1145         if (!target) {
1146                 PyErr_SetString(PyExc_ValueError,
1147                                 "field target is required for AugAssign");
1148                 return NULL;
1149         }
1150         if (!op) {
1151                 PyErr_SetString(PyExc_ValueError,
1152                                 "field op is required for AugAssign");
1153                 return NULL;
1154         }
1155         if (!value) {
1156                 PyErr_SetString(PyExc_ValueError,
1157                                 "field value is required for AugAssign");
1158                 return NULL;
1159         }
1160         p = (stmt_ty)PyArena_Malloc(arena, sizeof(*p));
1161         if (!p)
1162                 return NULL;
1163         p->kind = AugAssign_kind;
1164         p->v.AugAssign.target = target;
1165         p->v.AugAssign.op = op;
1166         p->v.AugAssign.value = value;
1167         p->lineno = lineno;
1168         p->col_offset = col_offset;
1169         return p;
1170 }
1171 
1172 stmt_ty
Print(expr_ty dest,asdl_seq * values,bool nl,int lineno,int col_offset,PyArena * arena)1173 Print(expr_ty dest, asdl_seq * values, bool nl, int lineno, int col_offset,
1174       PyArena *arena)
1175 {
1176         stmt_ty p;
1177         p = (stmt_ty)PyArena_Malloc(arena, sizeof(*p));
1178         if (!p)
1179                 return NULL;
1180         p->kind = Print_kind;
1181         p->v.Print.dest = dest;
1182         p->v.Print.values = values;
1183         p->v.Print.nl = nl;
1184         p->lineno = lineno;
1185         p->col_offset = col_offset;
1186         return p;
1187 }
1188 
1189 stmt_ty
For(expr_ty target,expr_ty iter,asdl_seq * body,asdl_seq * orelse,int lineno,int col_offset,PyArena * arena)1190 For(expr_ty target, expr_ty iter, asdl_seq * body, asdl_seq * orelse, int
1191     lineno, int col_offset, PyArena *arena)
1192 {
1193         stmt_ty p;
1194         if (!target) {
1195                 PyErr_SetString(PyExc_ValueError,
1196                                 "field target is required for For");
1197                 return NULL;
1198         }
1199         if (!iter) {
1200                 PyErr_SetString(PyExc_ValueError,
1201                                 "field iter is required for For");
1202                 return NULL;
1203         }
1204         p = (stmt_ty)PyArena_Malloc(arena, sizeof(*p));
1205         if (!p)
1206                 return NULL;
1207         p->kind = For_kind;
1208         p->v.For.target = target;
1209         p->v.For.iter = iter;
1210         p->v.For.body = body;
1211         p->v.For.orelse = orelse;
1212         p->lineno = lineno;
1213         p->col_offset = col_offset;
1214         return p;
1215 }
1216 
1217 stmt_ty
While(expr_ty test,asdl_seq * body,asdl_seq * orelse,int lineno,int col_offset,PyArena * arena)1218 While(expr_ty test, asdl_seq * body, asdl_seq * orelse, int lineno, int
1219       col_offset, PyArena *arena)
1220 {
1221         stmt_ty p;
1222         if (!test) {
1223                 PyErr_SetString(PyExc_ValueError,
1224                                 "field test is required for While");
1225                 return NULL;
1226         }
1227         p = (stmt_ty)PyArena_Malloc(arena, sizeof(*p));
1228         if (!p)
1229                 return NULL;
1230         p->kind = While_kind;
1231         p->v.While.test = test;
1232         p->v.While.body = body;
1233         p->v.While.orelse = orelse;
1234         p->lineno = lineno;
1235         p->col_offset = col_offset;
1236         return p;
1237 }
1238 
1239 stmt_ty
If(expr_ty test,asdl_seq * body,asdl_seq * orelse,int lineno,int col_offset,PyArena * arena)1240 If(expr_ty test, asdl_seq * body, asdl_seq * orelse, int lineno, int
1241    col_offset, PyArena *arena)
1242 {
1243         stmt_ty p;
1244         if (!test) {
1245                 PyErr_SetString(PyExc_ValueError,
1246                                 "field test is required for If");
1247                 return NULL;
1248         }
1249         p = (stmt_ty)PyArena_Malloc(arena, sizeof(*p));
1250         if (!p)
1251                 return NULL;
1252         p->kind = If_kind;
1253         p->v.If.test = test;
1254         p->v.If.body = body;
1255         p->v.If.orelse = orelse;
1256         p->lineno = lineno;
1257         p->col_offset = col_offset;
1258         return p;
1259 }
1260 
1261 stmt_ty
With(expr_ty context_expr,expr_ty optional_vars,asdl_seq * body,int lineno,int col_offset,PyArena * arena)1262 With(expr_ty context_expr, expr_ty optional_vars, asdl_seq * body, int lineno,
1263      int col_offset, PyArena *arena)
1264 {
1265         stmt_ty p;
1266         if (!context_expr) {
1267                 PyErr_SetString(PyExc_ValueError,
1268                                 "field context_expr is required for With");
1269                 return NULL;
1270         }
1271         p = (stmt_ty)PyArena_Malloc(arena, sizeof(*p));
1272         if (!p)
1273                 return NULL;
1274         p->kind = With_kind;
1275         p->v.With.context_expr = context_expr;
1276         p->v.With.optional_vars = optional_vars;
1277         p->v.With.body = body;
1278         p->lineno = lineno;
1279         p->col_offset = col_offset;
1280         return p;
1281 }
1282 
1283 stmt_ty
Raise(expr_ty type,expr_ty inst,expr_ty tback,int lineno,int col_offset,PyArena * arena)1284 Raise(expr_ty type, expr_ty inst, expr_ty tback, int lineno, int col_offset,
1285       PyArena *arena)
1286 {
1287         stmt_ty p;
1288         p = (stmt_ty)PyArena_Malloc(arena, sizeof(*p));
1289         if (!p)
1290                 return NULL;
1291         p->kind = Raise_kind;
1292         p->v.Raise.type = type;
1293         p->v.Raise.inst = inst;
1294         p->v.Raise.tback = tback;
1295         p->lineno = lineno;
1296         p->col_offset = col_offset;
1297         return p;
1298 }
1299 
1300 stmt_ty
TryExcept(asdl_seq * body,asdl_seq * handlers,asdl_seq * orelse,int lineno,int col_offset,PyArena * arena)1301 TryExcept(asdl_seq * body, asdl_seq * handlers, asdl_seq * orelse, int lineno,
1302           int col_offset, PyArena *arena)
1303 {
1304         stmt_ty p;
1305         p = (stmt_ty)PyArena_Malloc(arena, sizeof(*p));
1306         if (!p)
1307                 return NULL;
1308         p->kind = TryExcept_kind;
1309         p->v.TryExcept.body = body;
1310         p->v.TryExcept.handlers = handlers;
1311         p->v.TryExcept.orelse = orelse;
1312         p->lineno = lineno;
1313         p->col_offset = col_offset;
1314         return p;
1315 }
1316 
1317 stmt_ty
TryFinally(asdl_seq * body,asdl_seq * finalbody,int lineno,int col_offset,PyArena * arena)1318 TryFinally(asdl_seq * body, asdl_seq * finalbody, int lineno, int col_offset,
1319            PyArena *arena)
1320 {
1321         stmt_ty p;
1322         p = (stmt_ty)PyArena_Malloc(arena, sizeof(*p));
1323         if (!p)
1324                 return NULL;
1325         p->kind = TryFinally_kind;
1326         p->v.TryFinally.body = body;
1327         p->v.TryFinally.finalbody = finalbody;
1328         p->lineno = lineno;
1329         p->col_offset = col_offset;
1330         return p;
1331 }
1332 
1333 stmt_ty
Assert(expr_ty test,expr_ty msg,int lineno,int col_offset,PyArena * arena)1334 Assert(expr_ty test, expr_ty msg, int lineno, int col_offset, PyArena *arena)
1335 {
1336         stmt_ty p;
1337         if (!test) {
1338                 PyErr_SetString(PyExc_ValueError,
1339                                 "field test is required for Assert");
1340                 return NULL;
1341         }
1342         p = (stmt_ty)PyArena_Malloc(arena, sizeof(*p));
1343         if (!p)
1344                 return NULL;
1345         p->kind = Assert_kind;
1346         p->v.Assert.test = test;
1347         p->v.Assert.msg = msg;
1348         p->lineno = lineno;
1349         p->col_offset = col_offset;
1350         return p;
1351 }
1352 
1353 stmt_ty
Import(asdl_seq * names,int lineno,int col_offset,PyArena * arena)1354 Import(asdl_seq * names, int lineno, int col_offset, PyArena *arena)
1355 {
1356         stmt_ty p;
1357         p = (stmt_ty)PyArena_Malloc(arena, sizeof(*p));
1358         if (!p)
1359                 return NULL;
1360         p->kind = Import_kind;
1361         p->v.Import.names = names;
1362         p->lineno = lineno;
1363         p->col_offset = col_offset;
1364         return p;
1365 }
1366 
1367 stmt_ty
ImportFrom(identifier module,asdl_seq * names,int level,int lineno,int col_offset,PyArena * arena)1368 ImportFrom(identifier module, asdl_seq * names, int level, int lineno, int
1369            col_offset, PyArena *arena)
1370 {
1371         stmt_ty p;
1372         p = (stmt_ty)PyArena_Malloc(arena, sizeof(*p));
1373         if (!p)
1374                 return NULL;
1375         p->kind = ImportFrom_kind;
1376         p->v.ImportFrom.module = module;
1377         p->v.ImportFrom.names = names;
1378         p->v.ImportFrom.level = level;
1379         p->lineno = lineno;
1380         p->col_offset = col_offset;
1381         return p;
1382 }
1383 
1384 stmt_ty
Exec(expr_ty body,expr_ty globals,expr_ty locals,int lineno,int col_offset,PyArena * arena)1385 Exec(expr_ty body, expr_ty globals, expr_ty locals, int lineno, int col_offset,
1386      PyArena *arena)
1387 {
1388         stmt_ty p;
1389         if (!body) {
1390                 PyErr_SetString(PyExc_ValueError,
1391                                 "field body is required for Exec");
1392                 return NULL;
1393         }
1394         p = (stmt_ty)PyArena_Malloc(arena, sizeof(*p));
1395         if (!p)
1396                 return NULL;
1397         p->kind = Exec_kind;
1398         p->v.Exec.body = body;
1399         p->v.Exec.globals = globals;
1400         p->v.Exec.locals = locals;
1401         p->lineno = lineno;
1402         p->col_offset = col_offset;
1403         return p;
1404 }
1405 
1406 stmt_ty
Global(asdl_seq * names,int lineno,int col_offset,PyArena * arena)1407 Global(asdl_seq * names, int lineno, int col_offset, PyArena *arena)
1408 {
1409         stmt_ty p;
1410         p = (stmt_ty)PyArena_Malloc(arena, sizeof(*p));
1411         if (!p)
1412                 return NULL;
1413         p->kind = Global_kind;
1414         p->v.Global.names = names;
1415         p->lineno = lineno;
1416         p->col_offset = col_offset;
1417         return p;
1418 }
1419 
1420 stmt_ty
Expr(expr_ty value,int lineno,int col_offset,PyArena * arena)1421 Expr(expr_ty value, int lineno, int col_offset, PyArena *arena)
1422 {
1423         stmt_ty p;
1424         if (!value) {
1425                 PyErr_SetString(PyExc_ValueError,
1426                                 "field value is required for Expr");
1427                 return NULL;
1428         }
1429         p = (stmt_ty)PyArena_Malloc(arena, sizeof(*p));
1430         if (!p)
1431                 return NULL;
1432         p->kind = Expr_kind;
1433         p->v.Expr.value = value;
1434         p->lineno = lineno;
1435         p->col_offset = col_offset;
1436         return p;
1437 }
1438 
1439 stmt_ty
Pass(int lineno,int col_offset,PyArena * arena)1440 Pass(int lineno, int col_offset, PyArena *arena)
1441 {
1442         stmt_ty p;
1443         p = (stmt_ty)PyArena_Malloc(arena, sizeof(*p));
1444         if (!p)
1445                 return NULL;
1446         p->kind = Pass_kind;
1447         p->lineno = lineno;
1448         p->col_offset = col_offset;
1449         return p;
1450 }
1451 
1452 stmt_ty
Break(int lineno,int col_offset,PyArena * arena)1453 Break(int lineno, int col_offset, PyArena *arena)
1454 {
1455         stmt_ty p;
1456         p = (stmt_ty)PyArena_Malloc(arena, sizeof(*p));
1457         if (!p)
1458                 return NULL;
1459         p->kind = Break_kind;
1460         p->lineno = lineno;
1461         p->col_offset = col_offset;
1462         return p;
1463 }
1464 
1465 stmt_ty
Continue(int lineno,int col_offset,PyArena * arena)1466 Continue(int lineno, int col_offset, PyArena *arena)
1467 {
1468         stmt_ty p;
1469         p = (stmt_ty)PyArena_Malloc(arena, sizeof(*p));
1470         if (!p)
1471                 return NULL;
1472         p->kind = Continue_kind;
1473         p->lineno = lineno;
1474         p->col_offset = col_offset;
1475         return p;
1476 }
1477 
1478 expr_ty
BoolOp(boolop_ty op,asdl_seq * values,int lineno,int col_offset,PyArena * arena)1479 BoolOp(boolop_ty op, asdl_seq * values, int lineno, int col_offset, PyArena
1480        *arena)
1481 {
1482         expr_ty p;
1483         if (!op) {
1484                 PyErr_SetString(PyExc_ValueError,
1485                                 "field op is required for BoolOp");
1486                 return NULL;
1487         }
1488         p = (expr_ty)PyArena_Malloc(arena, sizeof(*p));
1489         if (!p)
1490                 return NULL;
1491         p->kind = BoolOp_kind;
1492         p->v.BoolOp.op = op;
1493         p->v.BoolOp.values = values;
1494         p->lineno = lineno;
1495         p->col_offset = col_offset;
1496         return p;
1497 }
1498 
1499 expr_ty
BinOp(expr_ty left,operator_ty op,expr_ty right,int lineno,int col_offset,PyArena * arena)1500 BinOp(expr_ty left, operator_ty op, expr_ty right, int lineno, int col_offset,
1501       PyArena *arena)
1502 {
1503         expr_ty p;
1504         if (!left) {
1505                 PyErr_SetString(PyExc_ValueError,
1506                                 "field left is required for BinOp");
1507                 return NULL;
1508         }
1509         if (!op) {
1510                 PyErr_SetString(PyExc_ValueError,
1511                                 "field op is required for BinOp");
1512                 return NULL;
1513         }
1514         if (!right) {
1515                 PyErr_SetString(PyExc_ValueError,
1516                                 "field right is required for BinOp");
1517                 return NULL;
1518         }
1519         p = (expr_ty)PyArena_Malloc(arena, sizeof(*p));
1520         if (!p)
1521                 return NULL;
1522         p->kind = BinOp_kind;
1523         p->v.BinOp.left = left;
1524         p->v.BinOp.op = op;
1525         p->v.BinOp.right = right;
1526         p->lineno = lineno;
1527         p->col_offset = col_offset;
1528         return p;
1529 }
1530 
1531 expr_ty
UnaryOp(unaryop_ty op,expr_ty operand,int lineno,int col_offset,PyArena * arena)1532 UnaryOp(unaryop_ty op, expr_ty operand, int lineno, int col_offset, PyArena
1533         *arena)
1534 {
1535         expr_ty p;
1536         if (!op) {
1537                 PyErr_SetString(PyExc_ValueError,
1538                                 "field op is required for UnaryOp");
1539                 return NULL;
1540         }
1541         if (!operand) {
1542                 PyErr_SetString(PyExc_ValueError,
1543                                 "field operand is required for UnaryOp");
1544                 return NULL;
1545         }
1546         p = (expr_ty)PyArena_Malloc(arena, sizeof(*p));
1547         if (!p)
1548                 return NULL;
1549         p->kind = UnaryOp_kind;
1550         p->v.UnaryOp.op = op;
1551         p->v.UnaryOp.operand = operand;
1552         p->lineno = lineno;
1553         p->col_offset = col_offset;
1554         return p;
1555 }
1556 
1557 expr_ty
Lambda(arguments_ty args,expr_ty body,int lineno,int col_offset,PyArena * arena)1558 Lambda(arguments_ty args, expr_ty body, int lineno, int col_offset, PyArena
1559        *arena)
1560 {
1561         expr_ty p;
1562         if (!args) {
1563                 PyErr_SetString(PyExc_ValueError,
1564                                 "field args is required for Lambda");
1565                 return NULL;
1566         }
1567         if (!body) {
1568                 PyErr_SetString(PyExc_ValueError,
1569                                 "field body is required for Lambda");
1570                 return NULL;
1571         }
1572         p = (expr_ty)PyArena_Malloc(arena, sizeof(*p));
1573         if (!p)
1574                 return NULL;
1575         p->kind = Lambda_kind;
1576         p->v.Lambda.args = args;
1577         p->v.Lambda.body = body;
1578         p->lineno = lineno;
1579         p->col_offset = col_offset;
1580         return p;
1581 }
1582 
1583 expr_ty
IfExp(expr_ty test,expr_ty body,expr_ty orelse,int lineno,int col_offset,PyArena * arena)1584 IfExp(expr_ty test, expr_ty body, expr_ty orelse, int lineno, int col_offset,
1585       PyArena *arena)
1586 {
1587         expr_ty p;
1588         if (!test) {
1589                 PyErr_SetString(PyExc_ValueError,
1590                                 "field test is required for IfExp");
1591                 return NULL;
1592         }
1593         if (!body) {
1594                 PyErr_SetString(PyExc_ValueError,
1595                                 "field body is required for IfExp");
1596                 return NULL;
1597         }
1598         if (!orelse) {
1599                 PyErr_SetString(PyExc_ValueError,
1600                                 "field orelse is required for IfExp");
1601                 return NULL;
1602         }
1603         p = (expr_ty)PyArena_Malloc(arena, sizeof(*p));
1604         if (!p)
1605                 return NULL;
1606         p->kind = IfExp_kind;
1607         p->v.IfExp.test = test;
1608         p->v.IfExp.body = body;
1609         p->v.IfExp.orelse = orelse;
1610         p->lineno = lineno;
1611         p->col_offset = col_offset;
1612         return p;
1613 }
1614 
1615 expr_ty
Dict(asdl_seq * keys,asdl_seq * values,int lineno,int col_offset,PyArena * arena)1616 Dict(asdl_seq * keys, asdl_seq * values, int lineno, int col_offset, PyArena
1617      *arena)
1618 {
1619         expr_ty p;
1620         p = (expr_ty)PyArena_Malloc(arena, sizeof(*p));
1621         if (!p)
1622                 return NULL;
1623         p->kind = Dict_kind;
1624         p->v.Dict.keys = keys;
1625         p->v.Dict.values = values;
1626         p->lineno = lineno;
1627         p->col_offset = col_offset;
1628         return p;
1629 }
1630 
1631 expr_ty
Set(asdl_seq * elts,int lineno,int col_offset,PyArena * arena)1632 Set(asdl_seq * elts, int lineno, int col_offset, PyArena *arena)
1633 {
1634         expr_ty p;
1635         p = (expr_ty)PyArena_Malloc(arena, sizeof(*p));
1636         if (!p)
1637                 return NULL;
1638         p->kind = Set_kind;
1639         p->v.Set.elts = elts;
1640         p->lineno = lineno;
1641         p->col_offset = col_offset;
1642         return p;
1643 }
1644 
1645 expr_ty
ListComp(expr_ty elt,asdl_seq * generators,int lineno,int col_offset,PyArena * arena)1646 ListComp(expr_ty elt, asdl_seq * generators, int lineno, int col_offset,
1647          PyArena *arena)
1648 {
1649         expr_ty p;
1650         if (!elt) {
1651                 PyErr_SetString(PyExc_ValueError,
1652                                 "field elt is required for ListComp");
1653                 return NULL;
1654         }
1655         p = (expr_ty)PyArena_Malloc(arena, sizeof(*p));
1656         if (!p)
1657                 return NULL;
1658         p->kind = ListComp_kind;
1659         p->v.ListComp.elt = elt;
1660         p->v.ListComp.generators = generators;
1661         p->lineno = lineno;
1662         p->col_offset = col_offset;
1663         return p;
1664 }
1665 
1666 expr_ty
SetComp(expr_ty elt,asdl_seq * generators,int lineno,int col_offset,PyArena * arena)1667 SetComp(expr_ty elt, asdl_seq * generators, int lineno, int col_offset, PyArena
1668         *arena)
1669 {
1670         expr_ty p;
1671         if (!elt) {
1672                 PyErr_SetString(PyExc_ValueError,
1673                                 "field elt is required for SetComp");
1674                 return NULL;
1675         }
1676         p = (expr_ty)PyArena_Malloc(arena, sizeof(*p));
1677         if (!p)
1678                 return NULL;
1679         p->kind = SetComp_kind;
1680         p->v.SetComp.elt = elt;
1681         p->v.SetComp.generators = generators;
1682         p->lineno = lineno;
1683         p->col_offset = col_offset;
1684         return p;
1685 }
1686 
1687 expr_ty
DictComp(expr_ty key,expr_ty value,asdl_seq * generators,int lineno,int col_offset,PyArena * arena)1688 DictComp(expr_ty key, expr_ty value, asdl_seq * generators, int lineno, int
1689          col_offset, PyArena *arena)
1690 {
1691         expr_ty p;
1692         if (!key) {
1693                 PyErr_SetString(PyExc_ValueError,
1694                                 "field key is required for DictComp");
1695                 return NULL;
1696         }
1697         if (!value) {
1698                 PyErr_SetString(PyExc_ValueError,
1699                                 "field value is required for DictComp");
1700                 return NULL;
1701         }
1702         p = (expr_ty)PyArena_Malloc(arena, sizeof(*p));
1703         if (!p)
1704                 return NULL;
1705         p->kind = DictComp_kind;
1706         p->v.DictComp.key = key;
1707         p->v.DictComp.value = value;
1708         p->v.DictComp.generators = generators;
1709         p->lineno = lineno;
1710         p->col_offset = col_offset;
1711         return p;
1712 }
1713 
1714 expr_ty
GeneratorExp(expr_ty elt,asdl_seq * generators,int lineno,int col_offset,PyArena * arena)1715 GeneratorExp(expr_ty elt, asdl_seq * generators, int lineno, int col_offset,
1716              PyArena *arena)
1717 {
1718         expr_ty p;
1719         if (!elt) {
1720                 PyErr_SetString(PyExc_ValueError,
1721                                 "field elt is required for GeneratorExp");
1722                 return NULL;
1723         }
1724         p = (expr_ty)PyArena_Malloc(arena, sizeof(*p));
1725         if (!p)
1726                 return NULL;
1727         p->kind = GeneratorExp_kind;
1728         p->v.GeneratorExp.elt = elt;
1729         p->v.GeneratorExp.generators = generators;
1730         p->lineno = lineno;
1731         p->col_offset = col_offset;
1732         return p;
1733 }
1734 
1735 expr_ty
Yield(expr_ty value,int lineno,int col_offset,PyArena * arena)1736 Yield(expr_ty value, int lineno, int col_offset, PyArena *arena)
1737 {
1738         expr_ty p;
1739         p = (expr_ty)PyArena_Malloc(arena, sizeof(*p));
1740         if (!p)
1741                 return NULL;
1742         p->kind = Yield_kind;
1743         p->v.Yield.value = value;
1744         p->lineno = lineno;
1745         p->col_offset = col_offset;
1746         return p;
1747 }
1748 
1749 expr_ty
Compare(expr_ty left,asdl_int_seq * ops,asdl_seq * comparators,int lineno,int col_offset,PyArena * arena)1750 Compare(expr_ty left, asdl_int_seq * ops, asdl_seq * comparators, int lineno,
1751         int col_offset, PyArena *arena)
1752 {
1753         expr_ty p;
1754         if (!left) {
1755                 PyErr_SetString(PyExc_ValueError,
1756                                 "field left is required for Compare");
1757                 return NULL;
1758         }
1759         p = (expr_ty)PyArena_Malloc(arena, sizeof(*p));
1760         if (!p)
1761                 return NULL;
1762         p->kind = Compare_kind;
1763         p->v.Compare.left = left;
1764         p->v.Compare.ops = ops;
1765         p->v.Compare.comparators = comparators;
1766         p->lineno = lineno;
1767         p->col_offset = col_offset;
1768         return p;
1769 }
1770 
1771 expr_ty
Call(expr_ty func,asdl_seq * args,asdl_seq * keywords,expr_ty starargs,expr_ty kwargs,int lineno,int col_offset,PyArena * arena)1772 Call(expr_ty func, asdl_seq * args, asdl_seq * keywords, expr_ty starargs,
1773      expr_ty kwargs, int lineno, int col_offset, PyArena *arena)
1774 {
1775         expr_ty p;
1776         if (!func) {
1777                 PyErr_SetString(PyExc_ValueError,
1778                                 "field func is required for Call");
1779                 return NULL;
1780         }
1781         p = (expr_ty)PyArena_Malloc(arena, sizeof(*p));
1782         if (!p)
1783                 return NULL;
1784         p->kind = Call_kind;
1785         p->v.Call.func = func;
1786         p->v.Call.args = args;
1787         p->v.Call.keywords = keywords;
1788         p->v.Call.starargs = starargs;
1789         p->v.Call.kwargs = kwargs;
1790         p->lineno = lineno;
1791         p->col_offset = col_offset;
1792         return p;
1793 }
1794 
1795 expr_ty
Repr(expr_ty value,int lineno,int col_offset,PyArena * arena)1796 Repr(expr_ty value, int lineno, int col_offset, PyArena *arena)
1797 {
1798         expr_ty p;
1799         if (!value) {
1800                 PyErr_SetString(PyExc_ValueError,
1801                                 "field value is required for Repr");
1802                 return NULL;
1803         }
1804         p = (expr_ty)PyArena_Malloc(arena, sizeof(*p));
1805         if (!p)
1806                 return NULL;
1807         p->kind = Repr_kind;
1808         p->v.Repr.value = value;
1809         p->lineno = lineno;
1810         p->col_offset = col_offset;
1811         return p;
1812 }
1813 
1814 expr_ty
Num(object n,int lineno,int col_offset,PyArena * arena)1815 Num(object n, int lineno, int col_offset, PyArena *arena)
1816 {
1817         expr_ty p;
1818         if (!n) {
1819                 PyErr_SetString(PyExc_ValueError,
1820                                 "field n is required for Num");
1821                 return NULL;
1822         }
1823         p = (expr_ty)PyArena_Malloc(arena, sizeof(*p));
1824         if (!p)
1825                 return NULL;
1826         p->kind = Num_kind;
1827         p->v.Num.n = n;
1828         p->lineno = lineno;
1829         p->col_offset = col_offset;
1830         return p;
1831 }
1832 
1833 expr_ty
Str(string s,int lineno,int col_offset,PyArena * arena)1834 Str(string s, int lineno, int col_offset, PyArena *arena)
1835 {
1836         expr_ty p;
1837         if (!s) {
1838                 PyErr_SetString(PyExc_ValueError,
1839                                 "field s is required for Str");
1840                 return NULL;
1841         }
1842         p = (expr_ty)PyArena_Malloc(arena, sizeof(*p));
1843         if (!p)
1844                 return NULL;
1845         p->kind = Str_kind;
1846         p->v.Str.s = s;
1847         p->lineno = lineno;
1848         p->col_offset = col_offset;
1849         return p;
1850 }
1851 
1852 expr_ty
Attribute(expr_ty value,identifier attr,expr_context_ty ctx,int lineno,int col_offset,PyArena * arena)1853 Attribute(expr_ty value, identifier attr, expr_context_ty ctx, int lineno, int
1854           col_offset, PyArena *arena)
1855 {
1856         expr_ty p;
1857         if (!value) {
1858                 PyErr_SetString(PyExc_ValueError,
1859                                 "field value is required for Attribute");
1860                 return NULL;
1861         }
1862         if (!attr) {
1863                 PyErr_SetString(PyExc_ValueError,
1864                                 "field attr is required for Attribute");
1865                 return NULL;
1866         }
1867         if (!ctx) {
1868                 PyErr_SetString(PyExc_ValueError,
1869                                 "field ctx is required for Attribute");
1870                 return NULL;
1871         }
1872         p = (expr_ty)PyArena_Malloc(arena, sizeof(*p));
1873         if (!p)
1874                 return NULL;
1875         p->kind = Attribute_kind;
1876         p->v.Attribute.value = value;
1877         p->v.Attribute.attr = attr;
1878         p->v.Attribute.ctx = ctx;
1879         p->lineno = lineno;
1880         p->col_offset = col_offset;
1881         return p;
1882 }
1883 
1884 expr_ty
Subscript(expr_ty value,slice_ty slice,expr_context_ty ctx,int lineno,int col_offset,PyArena * arena)1885 Subscript(expr_ty value, slice_ty slice, expr_context_ty ctx, int lineno, int
1886           col_offset, PyArena *arena)
1887 {
1888         expr_ty p;
1889         if (!value) {
1890                 PyErr_SetString(PyExc_ValueError,
1891                                 "field value is required for Subscript");
1892                 return NULL;
1893         }
1894         if (!slice) {
1895                 PyErr_SetString(PyExc_ValueError,
1896                                 "field slice is required for Subscript");
1897                 return NULL;
1898         }
1899         if (!ctx) {
1900                 PyErr_SetString(PyExc_ValueError,
1901                                 "field ctx is required for Subscript");
1902                 return NULL;
1903         }
1904         p = (expr_ty)PyArena_Malloc(arena, sizeof(*p));
1905         if (!p)
1906                 return NULL;
1907         p->kind = Subscript_kind;
1908         p->v.Subscript.value = value;
1909         p->v.Subscript.slice = slice;
1910         p->v.Subscript.ctx = ctx;
1911         p->lineno = lineno;
1912         p->col_offset = col_offset;
1913         return p;
1914 }
1915 
1916 expr_ty
Name(identifier id,expr_context_ty ctx,int lineno,int col_offset,PyArena * arena)1917 Name(identifier id, expr_context_ty ctx, int lineno, int col_offset, PyArena
1918      *arena)
1919 {
1920         expr_ty p;
1921         if (!id) {
1922                 PyErr_SetString(PyExc_ValueError,
1923                                 "field id is required for Name");
1924                 return NULL;
1925         }
1926         if (!ctx) {
1927                 PyErr_SetString(PyExc_ValueError,
1928                                 "field ctx is required for Name");
1929                 return NULL;
1930         }
1931         p = (expr_ty)PyArena_Malloc(arena, sizeof(*p));
1932         if (!p)
1933                 return NULL;
1934         p->kind = Name_kind;
1935         p->v.Name.id = id;
1936         p->v.Name.ctx = ctx;
1937         p->lineno = lineno;
1938         p->col_offset = col_offset;
1939         return p;
1940 }
1941 
1942 expr_ty
List(asdl_seq * elts,expr_context_ty ctx,int lineno,int col_offset,PyArena * arena)1943 List(asdl_seq * elts, expr_context_ty ctx, int lineno, int col_offset, PyArena
1944      *arena)
1945 {
1946         expr_ty p;
1947         if (!ctx) {
1948                 PyErr_SetString(PyExc_ValueError,
1949                                 "field ctx is required for List");
1950                 return NULL;
1951         }
1952         p = (expr_ty)PyArena_Malloc(arena, sizeof(*p));
1953         if (!p)
1954                 return NULL;
1955         p->kind = List_kind;
1956         p->v.List.elts = elts;
1957         p->v.List.ctx = ctx;
1958         p->lineno = lineno;
1959         p->col_offset = col_offset;
1960         return p;
1961 }
1962 
1963 expr_ty
Tuple(asdl_seq * elts,expr_context_ty ctx,int lineno,int col_offset,PyArena * arena)1964 Tuple(asdl_seq * elts, expr_context_ty ctx, int lineno, int col_offset, PyArena
1965       *arena)
1966 {
1967         expr_ty p;
1968         if (!ctx) {
1969                 PyErr_SetString(PyExc_ValueError,
1970                                 "field ctx is required for Tuple");
1971                 return NULL;
1972         }
1973         p = (expr_ty)PyArena_Malloc(arena, sizeof(*p));
1974         if (!p)
1975                 return NULL;
1976         p->kind = Tuple_kind;
1977         p->v.Tuple.elts = elts;
1978         p->v.Tuple.ctx = ctx;
1979         p->lineno = lineno;
1980         p->col_offset = col_offset;
1981         return p;
1982 }
1983 
1984 slice_ty
Ellipsis(PyArena * arena)1985 Ellipsis(PyArena *arena)
1986 {
1987         slice_ty p;
1988         p = (slice_ty)PyArena_Malloc(arena, sizeof(*p));
1989         if (!p)
1990                 return NULL;
1991         p->kind = Ellipsis_kind;
1992         return p;
1993 }
1994 
1995 slice_ty
Slice(expr_ty lower,expr_ty upper,expr_ty step,PyArena * arena)1996 Slice(expr_ty lower, expr_ty upper, expr_ty step, PyArena *arena)
1997 {
1998         slice_ty p;
1999         p = (slice_ty)PyArena_Malloc(arena, sizeof(*p));
2000         if (!p)
2001                 return NULL;
2002         p->kind = Slice_kind;
2003         p->v.Slice.lower = lower;
2004         p->v.Slice.upper = upper;
2005         p->v.Slice.step = step;
2006         return p;
2007 }
2008 
2009 slice_ty
ExtSlice(asdl_seq * dims,PyArena * arena)2010 ExtSlice(asdl_seq * dims, PyArena *arena)
2011 {
2012         slice_ty p;
2013         p = (slice_ty)PyArena_Malloc(arena, sizeof(*p));
2014         if (!p)
2015                 return NULL;
2016         p->kind = ExtSlice_kind;
2017         p->v.ExtSlice.dims = dims;
2018         return p;
2019 }
2020 
2021 slice_ty
Index(expr_ty value,PyArena * arena)2022 Index(expr_ty value, PyArena *arena)
2023 {
2024         slice_ty p;
2025         if (!value) {
2026                 PyErr_SetString(PyExc_ValueError,
2027                                 "field value is required for Index");
2028                 return NULL;
2029         }
2030         p = (slice_ty)PyArena_Malloc(arena, sizeof(*p));
2031         if (!p)
2032                 return NULL;
2033         p->kind = Index_kind;
2034         p->v.Index.value = value;
2035         return p;
2036 }
2037 
2038 comprehension_ty
comprehension(expr_ty target,expr_ty iter,asdl_seq * ifs,PyArena * arena)2039 comprehension(expr_ty target, expr_ty iter, asdl_seq * ifs, PyArena *arena)
2040 {
2041         comprehension_ty p;
2042         if (!target) {
2043                 PyErr_SetString(PyExc_ValueError,
2044                                 "field target is required for comprehension");
2045                 return NULL;
2046         }
2047         if (!iter) {
2048                 PyErr_SetString(PyExc_ValueError,
2049                                 "field iter is required for comprehension");
2050                 return NULL;
2051         }
2052         p = (comprehension_ty)PyArena_Malloc(arena, sizeof(*p));
2053         if (!p)
2054                 return NULL;
2055         p->target = target;
2056         p->iter = iter;
2057         p->ifs = ifs;
2058         return p;
2059 }
2060 
2061 excepthandler_ty
ExceptHandler(expr_ty type,expr_ty name,asdl_seq * body,int lineno,int col_offset,PyArena * arena)2062 ExceptHandler(expr_ty type, expr_ty name, asdl_seq * body, int lineno, int
2063               col_offset, PyArena *arena)
2064 {
2065         excepthandler_ty p;
2066         p = (excepthandler_ty)PyArena_Malloc(arena, sizeof(*p));
2067         if (!p)
2068                 return NULL;
2069         p->kind = ExceptHandler_kind;
2070         p->v.ExceptHandler.type = type;
2071         p->v.ExceptHandler.name = name;
2072         p->v.ExceptHandler.body = body;
2073         p->lineno = lineno;
2074         p->col_offset = col_offset;
2075         return p;
2076 }
2077 
2078 arguments_ty
arguments(asdl_seq * args,identifier vararg,identifier kwarg,asdl_seq * defaults,PyArena * arena)2079 arguments(asdl_seq * args, identifier vararg, identifier kwarg, asdl_seq *
2080           defaults, PyArena *arena)
2081 {
2082         arguments_ty p;
2083         p = (arguments_ty)PyArena_Malloc(arena, sizeof(*p));
2084         if (!p)
2085                 return NULL;
2086         p->args = args;
2087         p->vararg = vararg;
2088         p->kwarg = kwarg;
2089         p->defaults = defaults;
2090         return p;
2091 }
2092 
2093 keyword_ty
keyword(identifier arg,expr_ty value,PyArena * arena)2094 keyword(identifier arg, expr_ty value, PyArena *arena)
2095 {
2096         keyword_ty p;
2097         if (!arg) {
2098                 PyErr_SetString(PyExc_ValueError,
2099                                 "field arg is required for keyword");
2100                 return NULL;
2101         }
2102         if (!value) {
2103                 PyErr_SetString(PyExc_ValueError,
2104                                 "field value is required for keyword");
2105                 return NULL;
2106         }
2107         p = (keyword_ty)PyArena_Malloc(arena, sizeof(*p));
2108         if (!p)
2109                 return NULL;
2110         p->arg = arg;
2111         p->value = value;
2112         return p;
2113 }
2114 
2115 alias_ty
alias(identifier name,identifier asname,PyArena * arena)2116 alias(identifier name, identifier asname, PyArena *arena)
2117 {
2118         alias_ty p;
2119         if (!name) {
2120                 PyErr_SetString(PyExc_ValueError,
2121                                 "field name is required for alias");
2122                 return NULL;
2123         }
2124         p = (alias_ty)PyArena_Malloc(arena, sizeof(*p));
2125         if (!p)
2126                 return NULL;
2127         p->name = name;
2128         p->asname = asname;
2129         return p;
2130 }
2131 
2132 
2133 PyObject*
ast2obj_mod(void * _o)2134 ast2obj_mod(void* _o)
2135 {
2136         mod_ty o = (mod_ty)_o;
2137         PyObject *result = NULL, *value = NULL;
2138         if (!o) {
2139                 Py_INCREF(Py_None);
2140                 return Py_None;
2141         }
2142 
2143         switch (o->kind) {
2144         case Module_kind:
2145                 result = PyType_GenericNew(Module_type, NULL, NULL);
2146                 if (!result) goto failed;
2147                 value = ast2obj_list(o->v.Module.body, ast2obj_stmt);
2148                 if (!value) goto failed;
2149                 if (PyObject_SetAttrString(result, "body", value) == -1)
2150                         goto failed;
2151                 Py_DECREF(value);
2152                 break;
2153         case Interactive_kind:
2154                 result = PyType_GenericNew(Interactive_type, NULL, NULL);
2155                 if (!result) goto failed;
2156                 value = ast2obj_list(o->v.Interactive.body, ast2obj_stmt);
2157                 if (!value) goto failed;
2158                 if (PyObject_SetAttrString(result, "body", value) == -1)
2159                         goto failed;
2160                 Py_DECREF(value);
2161                 break;
2162         case Expression_kind:
2163                 result = PyType_GenericNew(Expression_type, NULL, NULL);
2164                 if (!result) goto failed;
2165                 value = ast2obj_expr(o->v.Expression.body);
2166                 if (!value) goto failed;
2167                 if (PyObject_SetAttrString(result, "body", value) == -1)
2168                         goto failed;
2169                 Py_DECREF(value);
2170                 break;
2171         case Suite_kind:
2172                 result = PyType_GenericNew(Suite_type, NULL, NULL);
2173                 if (!result) goto failed;
2174                 value = ast2obj_list(o->v.Suite.body, ast2obj_stmt);
2175                 if (!value) goto failed;
2176                 if (PyObject_SetAttrString(result, "body", value) == -1)
2177                         goto failed;
2178                 Py_DECREF(value);
2179                 break;
2180         }
2181         return result;
2182 failed:
2183         Py_XDECREF(value);
2184         Py_XDECREF(result);
2185         return NULL;
2186 }
2187 
2188 PyObject*
ast2obj_stmt(void * _o)2189 ast2obj_stmt(void* _o)
2190 {
2191         stmt_ty o = (stmt_ty)_o;
2192         PyObject *result = NULL, *value = NULL;
2193         if (!o) {
2194                 Py_INCREF(Py_None);
2195                 return Py_None;
2196         }
2197 
2198         switch (o->kind) {
2199         case FunctionDef_kind:
2200                 result = PyType_GenericNew(FunctionDef_type, NULL, NULL);
2201                 if (!result) goto failed;
2202                 value = ast2obj_identifier(o->v.FunctionDef.name);
2203                 if (!value) goto failed;
2204                 if (PyObject_SetAttrString(result, "name", value) == -1)
2205                         goto failed;
2206                 Py_DECREF(value);
2207                 value = ast2obj_arguments(o->v.FunctionDef.args);
2208                 if (!value) goto failed;
2209                 if (PyObject_SetAttrString(result, "args", value) == -1)
2210                         goto failed;
2211                 Py_DECREF(value);
2212                 value = ast2obj_list(o->v.FunctionDef.body, ast2obj_stmt);
2213                 if (!value) goto failed;
2214                 if (PyObject_SetAttrString(result, "body", value) == -1)
2215                         goto failed;
2216                 Py_DECREF(value);
2217                 value = ast2obj_list(o->v.FunctionDef.decorator_list,
2218                                      ast2obj_expr);
2219                 if (!value) goto failed;
2220                 if (PyObject_SetAttrString(result, "decorator_list", value) ==
2221                     -1)
2222                         goto failed;
2223                 Py_DECREF(value);
2224                 break;
2225         case ClassDef_kind:
2226                 result = PyType_GenericNew(ClassDef_type, NULL, NULL);
2227                 if (!result) goto failed;
2228                 value = ast2obj_identifier(o->v.ClassDef.name);
2229                 if (!value) goto failed;
2230                 if (PyObject_SetAttrString(result, "name", value) == -1)
2231                         goto failed;
2232                 Py_DECREF(value);
2233                 value = ast2obj_list(o->v.ClassDef.bases, ast2obj_expr);
2234                 if (!value) goto failed;
2235                 if (PyObject_SetAttrString(result, "bases", value) == -1)
2236                         goto failed;
2237                 Py_DECREF(value);
2238                 value = ast2obj_list(o->v.ClassDef.body, ast2obj_stmt);
2239                 if (!value) goto failed;
2240                 if (PyObject_SetAttrString(result, "body", value) == -1)
2241                         goto failed;
2242                 Py_DECREF(value);
2243                 value = ast2obj_list(o->v.ClassDef.decorator_list,
2244                                      ast2obj_expr);
2245                 if (!value) goto failed;
2246                 if (PyObject_SetAttrString(result, "decorator_list", value) ==
2247                     -1)
2248                         goto failed;
2249                 Py_DECREF(value);
2250                 break;
2251         case Return_kind:
2252                 result = PyType_GenericNew(Return_type, NULL, NULL);
2253                 if (!result) goto failed;
2254                 value = ast2obj_expr(o->v.Return.value);
2255                 if (!value) goto failed;
2256                 if (PyObject_SetAttrString(result, "value", value) == -1)
2257                         goto failed;
2258                 Py_DECREF(value);
2259                 break;
2260         case Delete_kind:
2261                 result = PyType_GenericNew(Delete_type, NULL, NULL);
2262                 if (!result) goto failed;
2263                 value = ast2obj_list(o->v.Delete.targets, ast2obj_expr);
2264                 if (!value) goto failed;
2265                 if (PyObject_SetAttrString(result, "targets", value) == -1)
2266                         goto failed;
2267                 Py_DECREF(value);
2268                 break;
2269         case Assign_kind:
2270                 result = PyType_GenericNew(Assign_type, NULL, NULL);
2271                 if (!result) goto failed;
2272                 value = ast2obj_list(o->v.Assign.targets, ast2obj_expr);
2273                 if (!value) goto failed;
2274                 if (PyObject_SetAttrString(result, "targets", value) == -1)
2275                         goto failed;
2276                 Py_DECREF(value);
2277                 value = ast2obj_expr(o->v.Assign.value);
2278                 if (!value) goto failed;
2279                 if (PyObject_SetAttrString(result, "value", value) == -1)
2280                         goto failed;
2281                 Py_DECREF(value);
2282                 break;
2283         case AugAssign_kind:
2284                 result = PyType_GenericNew(AugAssign_type, NULL, NULL);
2285                 if (!result) goto failed;
2286                 value = ast2obj_expr(o->v.AugAssign.target);
2287                 if (!value) goto failed;
2288                 if (PyObject_SetAttrString(result, "target", value) == -1)
2289                         goto failed;
2290                 Py_DECREF(value);
2291                 value = ast2obj_operator(o->v.AugAssign.op);
2292                 if (!value) goto failed;
2293                 if (PyObject_SetAttrString(result, "op", value) == -1)
2294                         goto failed;
2295                 Py_DECREF(value);
2296                 value = ast2obj_expr(o->v.AugAssign.value);
2297                 if (!value) goto failed;
2298                 if (PyObject_SetAttrString(result, "value", value) == -1)
2299                         goto failed;
2300                 Py_DECREF(value);
2301                 break;
2302         case Print_kind:
2303                 result = PyType_GenericNew(Print_type, NULL, NULL);
2304                 if (!result) goto failed;
2305                 value = ast2obj_expr(o->v.Print.dest);
2306                 if (!value) goto failed;
2307                 if (PyObject_SetAttrString(result, "dest", value) == -1)
2308                         goto failed;
2309                 Py_DECREF(value);
2310                 value = ast2obj_list(o->v.Print.values, ast2obj_expr);
2311                 if (!value) goto failed;
2312                 if (PyObject_SetAttrString(result, "values", value) == -1)
2313                         goto failed;
2314                 Py_DECREF(value);
2315                 value = ast2obj_bool(o->v.Print.nl);
2316                 if (!value) goto failed;
2317                 if (PyObject_SetAttrString(result, "nl", value) == -1)
2318                         goto failed;
2319                 Py_DECREF(value);
2320                 break;
2321         case For_kind:
2322                 result = PyType_GenericNew(For_type, NULL, NULL);
2323                 if (!result) goto failed;
2324                 value = ast2obj_expr(o->v.For.target);
2325                 if (!value) goto failed;
2326                 if (PyObject_SetAttrString(result, "target", value) == -1)
2327                         goto failed;
2328                 Py_DECREF(value);
2329                 value = ast2obj_expr(o->v.For.iter);
2330                 if (!value) goto failed;
2331                 if (PyObject_SetAttrString(result, "iter", value) == -1)
2332                         goto failed;
2333                 Py_DECREF(value);
2334                 value = ast2obj_list(o->v.For.body, ast2obj_stmt);
2335                 if (!value) goto failed;
2336                 if (PyObject_SetAttrString(result, "body", value) == -1)
2337                         goto failed;
2338                 Py_DECREF(value);
2339                 value = ast2obj_list(o->v.For.orelse, ast2obj_stmt);
2340                 if (!value) goto failed;
2341                 if (PyObject_SetAttrString(result, "orelse", value) == -1)
2342                         goto failed;
2343                 Py_DECREF(value);
2344                 break;
2345         case While_kind:
2346                 result = PyType_GenericNew(While_type, NULL, NULL);
2347                 if (!result) goto failed;
2348                 value = ast2obj_expr(o->v.While.test);
2349                 if (!value) goto failed;
2350                 if (PyObject_SetAttrString(result, "test", value) == -1)
2351                         goto failed;
2352                 Py_DECREF(value);
2353                 value = ast2obj_list(o->v.While.body, ast2obj_stmt);
2354                 if (!value) goto failed;
2355                 if (PyObject_SetAttrString(result, "body", value) == -1)
2356                         goto failed;
2357                 Py_DECREF(value);
2358                 value = ast2obj_list(o->v.While.orelse, ast2obj_stmt);
2359                 if (!value) goto failed;
2360                 if (PyObject_SetAttrString(result, "orelse", value) == -1)
2361                         goto failed;
2362                 Py_DECREF(value);
2363                 break;
2364         case If_kind:
2365                 result = PyType_GenericNew(If_type, NULL, NULL);
2366                 if (!result) goto failed;
2367                 value = ast2obj_expr(o->v.If.test);
2368                 if (!value) goto failed;
2369                 if (PyObject_SetAttrString(result, "test", value) == -1)
2370                         goto failed;
2371                 Py_DECREF(value);
2372                 value = ast2obj_list(o->v.If.body, ast2obj_stmt);
2373                 if (!value) goto failed;
2374                 if (PyObject_SetAttrString(result, "body", value) == -1)
2375                         goto failed;
2376                 Py_DECREF(value);
2377                 value = ast2obj_list(o->v.If.orelse, ast2obj_stmt);
2378                 if (!value) goto failed;
2379                 if (PyObject_SetAttrString(result, "orelse", value) == -1)
2380                         goto failed;
2381                 Py_DECREF(value);
2382                 break;
2383         case With_kind:
2384                 result = PyType_GenericNew(With_type, NULL, NULL);
2385                 if (!result) goto failed;
2386                 value = ast2obj_expr(o->v.With.context_expr);
2387                 if (!value) goto failed;
2388                 if (PyObject_SetAttrString(result, "context_expr", value) == -1)
2389                         goto failed;
2390                 Py_DECREF(value);
2391                 value = ast2obj_expr(o->v.With.optional_vars);
2392                 if (!value) goto failed;
2393                 if (PyObject_SetAttrString(result, "optional_vars", value) ==
2394                     -1)
2395                         goto failed;
2396                 Py_DECREF(value);
2397                 value = ast2obj_list(o->v.With.body, ast2obj_stmt);
2398                 if (!value) goto failed;
2399                 if (PyObject_SetAttrString(result, "body", value) == -1)
2400                         goto failed;
2401                 Py_DECREF(value);
2402                 break;
2403         case Raise_kind:
2404                 result = PyType_GenericNew(Raise_type, NULL, NULL);
2405                 if (!result) goto failed;
2406                 value = ast2obj_expr(o->v.Raise.type);
2407                 if (!value) goto failed;
2408                 if (PyObject_SetAttrString(result, "type", value) == -1)
2409                         goto failed;
2410                 Py_DECREF(value);
2411                 value = ast2obj_expr(o->v.Raise.inst);
2412                 if (!value) goto failed;
2413                 if (PyObject_SetAttrString(result, "inst", value) == -1)
2414                         goto failed;
2415                 Py_DECREF(value);
2416                 value = ast2obj_expr(o->v.Raise.tback);
2417                 if (!value) goto failed;
2418                 if (PyObject_SetAttrString(result, "tback", value) == -1)
2419                         goto failed;
2420                 Py_DECREF(value);
2421                 break;
2422         case TryExcept_kind:
2423                 result = PyType_GenericNew(TryExcept_type, NULL, NULL);
2424                 if (!result) goto failed;
2425                 value = ast2obj_list(o->v.TryExcept.body, ast2obj_stmt);
2426                 if (!value) goto failed;
2427                 if (PyObject_SetAttrString(result, "body", value) == -1)
2428                         goto failed;
2429                 Py_DECREF(value);
2430                 value = ast2obj_list(o->v.TryExcept.handlers,
2431                                      ast2obj_excepthandler);
2432                 if (!value) goto failed;
2433                 if (PyObject_SetAttrString(result, "handlers", value) == -1)
2434                         goto failed;
2435                 Py_DECREF(value);
2436                 value = ast2obj_list(o->v.TryExcept.orelse, ast2obj_stmt);
2437                 if (!value) goto failed;
2438                 if (PyObject_SetAttrString(result, "orelse", value) == -1)
2439                         goto failed;
2440                 Py_DECREF(value);
2441                 break;
2442         case TryFinally_kind:
2443                 result = PyType_GenericNew(TryFinally_type, NULL, NULL);
2444                 if (!result) goto failed;
2445                 value = ast2obj_list(o->v.TryFinally.body, ast2obj_stmt);
2446                 if (!value) goto failed;
2447                 if (PyObject_SetAttrString(result, "body", value) == -1)
2448                         goto failed;
2449                 Py_DECREF(value);
2450                 value = ast2obj_list(o->v.TryFinally.finalbody, ast2obj_stmt);
2451                 if (!value) goto failed;
2452                 if (PyObject_SetAttrString(result, "finalbody", value) == -1)
2453                         goto failed;
2454                 Py_DECREF(value);
2455                 break;
2456         case Assert_kind:
2457                 result = PyType_GenericNew(Assert_type, NULL, NULL);
2458                 if (!result) goto failed;
2459                 value = ast2obj_expr(o->v.Assert.test);
2460                 if (!value) goto failed;
2461                 if (PyObject_SetAttrString(result, "test", value) == -1)
2462                         goto failed;
2463                 Py_DECREF(value);
2464                 value = ast2obj_expr(o->v.Assert.msg);
2465                 if (!value) goto failed;
2466                 if (PyObject_SetAttrString(result, "msg", value) == -1)
2467                         goto failed;
2468                 Py_DECREF(value);
2469                 break;
2470         case Import_kind:
2471                 result = PyType_GenericNew(Import_type, NULL, NULL);
2472                 if (!result) goto failed;
2473                 value = ast2obj_list(o->v.Import.names, ast2obj_alias);
2474                 if (!value) goto failed;
2475                 if (PyObject_SetAttrString(result, "names", value) == -1)
2476                         goto failed;
2477                 Py_DECREF(value);
2478                 break;
2479         case ImportFrom_kind:
2480                 result = PyType_GenericNew(ImportFrom_type, NULL, NULL);
2481                 if (!result) goto failed;
2482                 value = ast2obj_identifier(o->v.ImportFrom.module);
2483                 if (!value) goto failed;
2484                 if (PyObject_SetAttrString(result, "module", value) == -1)
2485                         goto failed;
2486                 Py_DECREF(value);
2487                 value = ast2obj_list(o->v.ImportFrom.names, ast2obj_alias);
2488                 if (!value) goto failed;
2489                 if (PyObject_SetAttrString(result, "names", value) == -1)
2490                         goto failed;
2491                 Py_DECREF(value);
2492                 value = ast2obj_int(o->v.ImportFrom.level);
2493                 if (!value) goto failed;
2494                 if (PyObject_SetAttrString(result, "level", value) == -1)
2495                         goto failed;
2496                 Py_DECREF(value);
2497                 break;
2498         case Exec_kind:
2499                 result = PyType_GenericNew(Exec_type, NULL, NULL);
2500                 if (!result) goto failed;
2501                 value = ast2obj_expr(o->v.Exec.body);
2502                 if (!value) goto failed;
2503                 if (PyObject_SetAttrString(result, "body", value) == -1)
2504                         goto failed;
2505                 Py_DECREF(value);
2506                 value = ast2obj_expr(o->v.Exec.globals);
2507                 if (!value) goto failed;
2508                 if (PyObject_SetAttrString(result, "globals", value) == -1)
2509                         goto failed;
2510                 Py_DECREF(value);
2511                 value = ast2obj_expr(o->v.Exec.locals);
2512                 if (!value) goto failed;
2513                 if (PyObject_SetAttrString(result, "locals", value) == -1)
2514                         goto failed;
2515                 Py_DECREF(value);
2516                 break;
2517         case Global_kind:
2518                 result = PyType_GenericNew(Global_type, NULL, NULL);
2519                 if (!result) goto failed;
2520                 value = ast2obj_list(o->v.Global.names, ast2obj_identifier);
2521                 if (!value) goto failed;
2522                 if (PyObject_SetAttrString(result, "names", value) == -1)
2523                         goto failed;
2524                 Py_DECREF(value);
2525                 break;
2526         case Expr_kind:
2527                 result = PyType_GenericNew(Expr_type, NULL, NULL);
2528                 if (!result) goto failed;
2529                 value = ast2obj_expr(o->v.Expr.value);
2530                 if (!value) goto failed;
2531                 if (PyObject_SetAttrString(result, "value", value) == -1)
2532                         goto failed;
2533                 Py_DECREF(value);
2534                 break;
2535         case Pass_kind:
2536                 result = PyType_GenericNew(Pass_type, NULL, NULL);
2537                 if (!result) goto failed;
2538                 break;
2539         case Break_kind:
2540                 result = PyType_GenericNew(Break_type, NULL, NULL);
2541                 if (!result) goto failed;
2542                 break;
2543         case Continue_kind:
2544                 result = PyType_GenericNew(Continue_type, NULL, NULL);
2545                 if (!result) goto failed;
2546                 break;
2547         }
2548         value = ast2obj_int(o->lineno);
2549         if (!value) goto failed;
2550         if (PyObject_SetAttrString(result, "lineno", value) < 0)
2551                 goto failed;
2552         Py_DECREF(value);
2553         value = ast2obj_int(o->col_offset);
2554         if (!value) goto failed;
2555         if (PyObject_SetAttrString(result, "col_offset", value) < 0)
2556                 goto failed;
2557         Py_DECREF(value);
2558         return result;
2559 failed:
2560         Py_XDECREF(value);
2561         Py_XDECREF(result);
2562         return NULL;
2563 }
2564 
2565 PyObject*
ast2obj_expr(void * _o)2566 ast2obj_expr(void* _o)
2567 {
2568         expr_ty o = (expr_ty)_o;
2569         PyObject *result = NULL, *value = NULL;
2570         if (!o) {
2571                 Py_INCREF(Py_None);
2572                 return Py_None;
2573         }
2574 
2575         switch (o->kind) {
2576         case BoolOp_kind:
2577                 result = PyType_GenericNew(BoolOp_type, NULL, NULL);
2578                 if (!result) goto failed;
2579                 value = ast2obj_boolop(o->v.BoolOp.op);
2580                 if (!value) goto failed;
2581                 if (PyObject_SetAttrString(result, "op", value) == -1)
2582                         goto failed;
2583                 Py_DECREF(value);
2584                 value = ast2obj_list(o->v.BoolOp.values, ast2obj_expr);
2585                 if (!value) goto failed;
2586                 if (PyObject_SetAttrString(result, "values", value) == -1)
2587                         goto failed;
2588                 Py_DECREF(value);
2589                 break;
2590         case BinOp_kind:
2591                 result = PyType_GenericNew(BinOp_type, NULL, NULL);
2592                 if (!result) goto failed;
2593                 value = ast2obj_expr(o->v.BinOp.left);
2594                 if (!value) goto failed;
2595                 if (PyObject_SetAttrString(result, "left", value) == -1)
2596                         goto failed;
2597                 Py_DECREF(value);
2598                 value = ast2obj_operator(o->v.BinOp.op);
2599                 if (!value) goto failed;
2600                 if (PyObject_SetAttrString(result, "op", value) == -1)
2601                         goto failed;
2602                 Py_DECREF(value);
2603                 value = ast2obj_expr(o->v.BinOp.right);
2604                 if (!value) goto failed;
2605                 if (PyObject_SetAttrString(result, "right", value) == -1)
2606                         goto failed;
2607                 Py_DECREF(value);
2608                 break;
2609         case UnaryOp_kind:
2610                 result = PyType_GenericNew(UnaryOp_type, NULL, NULL);
2611                 if (!result) goto failed;
2612                 value = ast2obj_unaryop(o->v.UnaryOp.op);
2613                 if (!value) goto failed;
2614                 if (PyObject_SetAttrString(result, "op", value) == -1)
2615                         goto failed;
2616                 Py_DECREF(value);
2617                 value = ast2obj_expr(o->v.UnaryOp.operand);
2618                 if (!value) goto failed;
2619                 if (PyObject_SetAttrString(result, "operand", value) == -1)
2620                         goto failed;
2621                 Py_DECREF(value);
2622                 break;
2623         case Lambda_kind:
2624                 result = PyType_GenericNew(Lambda_type, NULL, NULL);
2625                 if (!result) goto failed;
2626                 value = ast2obj_arguments(o->v.Lambda.args);
2627                 if (!value) goto failed;
2628                 if (PyObject_SetAttrString(result, "args", value) == -1)
2629                         goto failed;
2630                 Py_DECREF(value);
2631                 value = ast2obj_expr(o->v.Lambda.body);
2632                 if (!value) goto failed;
2633                 if (PyObject_SetAttrString(result, "body", value) == -1)
2634                         goto failed;
2635                 Py_DECREF(value);
2636                 break;
2637         case IfExp_kind:
2638                 result = PyType_GenericNew(IfExp_type, NULL, NULL);
2639                 if (!result) goto failed;
2640                 value = ast2obj_expr(o->v.IfExp.test);
2641                 if (!value) goto failed;
2642                 if (PyObject_SetAttrString(result, "test", value) == -1)
2643                         goto failed;
2644                 Py_DECREF(value);
2645                 value = ast2obj_expr(o->v.IfExp.body);
2646                 if (!value) goto failed;
2647                 if (PyObject_SetAttrString(result, "body", value) == -1)
2648                         goto failed;
2649                 Py_DECREF(value);
2650                 value = ast2obj_expr(o->v.IfExp.orelse);
2651                 if (!value) goto failed;
2652                 if (PyObject_SetAttrString(result, "orelse", value) == -1)
2653                         goto failed;
2654                 Py_DECREF(value);
2655                 break;
2656         case Dict_kind:
2657                 result = PyType_GenericNew(Dict_type, NULL, NULL);
2658                 if (!result) goto failed;
2659                 value = ast2obj_list(o->v.Dict.keys, ast2obj_expr);
2660                 if (!value) goto failed;
2661                 if (PyObject_SetAttrString(result, "keys", value) == -1)
2662                         goto failed;
2663                 Py_DECREF(value);
2664                 value = ast2obj_list(o->v.Dict.values, ast2obj_expr);
2665                 if (!value) goto failed;
2666                 if (PyObject_SetAttrString(result, "values", value) == -1)
2667                         goto failed;
2668                 Py_DECREF(value);
2669                 break;
2670         case Set_kind:
2671                 result = PyType_GenericNew(Set_type, NULL, NULL);
2672                 if (!result) goto failed;
2673                 value = ast2obj_list(o->v.Set.elts, ast2obj_expr);
2674                 if (!value) goto failed;
2675                 if (PyObject_SetAttrString(result, "elts", value) == -1)
2676                         goto failed;
2677                 Py_DECREF(value);
2678                 break;
2679         case ListComp_kind:
2680                 result = PyType_GenericNew(ListComp_type, NULL, NULL);
2681                 if (!result) goto failed;
2682                 value = ast2obj_expr(o->v.ListComp.elt);
2683                 if (!value) goto failed;
2684                 if (PyObject_SetAttrString(result, "elt", value) == -1)
2685                         goto failed;
2686                 Py_DECREF(value);
2687                 value = ast2obj_list(o->v.ListComp.generators,
2688                                      ast2obj_comprehension);
2689                 if (!value) goto failed;
2690                 if (PyObject_SetAttrString(result, "generators", value) == -1)
2691                         goto failed;
2692                 Py_DECREF(value);
2693                 break;
2694         case SetComp_kind:
2695                 result = PyType_GenericNew(SetComp_type, NULL, NULL);
2696                 if (!result) goto failed;
2697                 value = ast2obj_expr(o->v.SetComp.elt);
2698                 if (!value) goto failed;
2699                 if (PyObject_SetAttrString(result, "elt", value) == -1)
2700                         goto failed;
2701                 Py_DECREF(value);
2702                 value = ast2obj_list(o->v.SetComp.generators,
2703                                      ast2obj_comprehension);
2704                 if (!value) goto failed;
2705                 if (PyObject_SetAttrString(result, "generators", value) == -1)
2706                         goto failed;
2707                 Py_DECREF(value);
2708                 break;
2709         case DictComp_kind:
2710                 result = PyType_GenericNew(DictComp_type, NULL, NULL);
2711                 if (!result) goto failed;
2712                 value = ast2obj_expr(o->v.DictComp.key);
2713                 if (!value) goto failed;
2714                 if (PyObject_SetAttrString(result, "key", value) == -1)
2715                         goto failed;
2716                 Py_DECREF(value);
2717                 value = ast2obj_expr(o->v.DictComp.value);
2718                 if (!value) goto failed;
2719                 if (PyObject_SetAttrString(result, "value", value) == -1)
2720                         goto failed;
2721                 Py_DECREF(value);
2722                 value = ast2obj_list(o->v.DictComp.generators,
2723                                      ast2obj_comprehension);
2724                 if (!value) goto failed;
2725                 if (PyObject_SetAttrString(result, "generators", value) == -1)
2726                         goto failed;
2727                 Py_DECREF(value);
2728                 break;
2729         case GeneratorExp_kind:
2730                 result = PyType_GenericNew(GeneratorExp_type, NULL, NULL);
2731                 if (!result) goto failed;
2732                 value = ast2obj_expr(o->v.GeneratorExp.elt);
2733                 if (!value) goto failed;
2734                 if (PyObject_SetAttrString(result, "elt", value) == -1)
2735                         goto failed;
2736                 Py_DECREF(value);
2737                 value = ast2obj_list(o->v.GeneratorExp.generators,
2738                                      ast2obj_comprehension);
2739                 if (!value) goto failed;
2740                 if (PyObject_SetAttrString(result, "generators", value) == -1)
2741                         goto failed;
2742                 Py_DECREF(value);
2743                 break;
2744         case Yield_kind:
2745                 result = PyType_GenericNew(Yield_type, NULL, NULL);
2746                 if (!result) goto failed;
2747                 value = ast2obj_expr(o->v.Yield.value);
2748                 if (!value) goto failed;
2749                 if (PyObject_SetAttrString(result, "value", value) == -1)
2750                         goto failed;
2751                 Py_DECREF(value);
2752                 break;
2753         case Compare_kind:
2754                 result = PyType_GenericNew(Compare_type, NULL, NULL);
2755                 if (!result) goto failed;
2756                 value = ast2obj_expr(o->v.Compare.left);
2757                 if (!value) goto failed;
2758                 if (PyObject_SetAttrString(result, "left", value) == -1)
2759                         goto failed;
2760                 Py_DECREF(value);
2761                 {
2762                         int i, n = asdl_seq_LEN(o->v.Compare.ops);
2763                         value = PyList_New(n);
2764                         if (!value) goto failed;
2765                         for(i = 0; i < n; i++)
2766                                 PyList_SET_ITEM(value, i, ast2obj_cmpop((cmpop_ty)asdl_seq_GET(o->v.Compare.ops, i)));
2767                 }
2768                 if (!value) goto failed;
2769                 if (PyObject_SetAttrString(result, "ops", value) == -1)
2770                         goto failed;
2771                 Py_DECREF(value);
2772                 value = ast2obj_list(o->v.Compare.comparators, ast2obj_expr);
2773                 if (!value) goto failed;
2774                 if (PyObject_SetAttrString(result, "comparators", value) == -1)
2775                         goto failed;
2776                 Py_DECREF(value);
2777                 break;
2778         case Call_kind:
2779                 result = PyType_GenericNew(Call_type, NULL, NULL);
2780                 if (!result) goto failed;
2781                 value = ast2obj_expr(o->v.Call.func);
2782                 if (!value) goto failed;
2783                 if (PyObject_SetAttrString(result, "func", value) == -1)
2784                         goto failed;
2785                 Py_DECREF(value);
2786                 value = ast2obj_list(o->v.Call.args, ast2obj_expr);
2787                 if (!value) goto failed;
2788                 if (PyObject_SetAttrString(result, "args", value) == -1)
2789                         goto failed;
2790                 Py_DECREF(value);
2791                 value = ast2obj_list(o->v.Call.keywords, ast2obj_keyword);
2792                 if (!value) goto failed;
2793                 if (PyObject_SetAttrString(result, "keywords", value) == -1)
2794                         goto failed;
2795                 Py_DECREF(value);
2796                 value = ast2obj_expr(o->v.Call.starargs);
2797                 if (!value) goto failed;
2798                 if (PyObject_SetAttrString(result, "starargs", value) == -1)
2799                         goto failed;
2800                 Py_DECREF(value);
2801                 value = ast2obj_expr(o->v.Call.kwargs);
2802                 if (!value) goto failed;
2803                 if (PyObject_SetAttrString(result, "kwargs", value) == -1)
2804                         goto failed;
2805                 Py_DECREF(value);
2806                 break;
2807         case Repr_kind:
2808                 result = PyType_GenericNew(Repr_type, NULL, NULL);
2809                 if (!result) goto failed;
2810                 value = ast2obj_expr(o->v.Repr.value);
2811                 if (!value) goto failed;
2812                 if (PyObject_SetAttrString(result, "value", value) == -1)
2813                         goto failed;
2814                 Py_DECREF(value);
2815                 break;
2816         case Num_kind:
2817                 result = PyType_GenericNew(Num_type, NULL, NULL);
2818                 if (!result) goto failed;
2819                 value = ast2obj_object(o->v.Num.n);
2820                 if (!value) goto failed;
2821                 if (PyObject_SetAttrString(result, "n", value) == -1)
2822                         goto failed;
2823                 Py_DECREF(value);
2824                 break;
2825         case Str_kind:
2826                 result = PyType_GenericNew(Str_type, NULL, NULL);
2827                 if (!result) goto failed;
2828                 value = ast2obj_string(o->v.Str.s);
2829                 if (!value) goto failed;
2830                 if (PyObject_SetAttrString(result, "s", value) == -1)
2831                         goto failed;
2832                 Py_DECREF(value);
2833                 break;
2834         case Attribute_kind:
2835                 result = PyType_GenericNew(Attribute_type, NULL, NULL);
2836                 if (!result) goto failed;
2837                 value = ast2obj_expr(o->v.Attribute.value);
2838                 if (!value) goto failed;
2839                 if (PyObject_SetAttrString(result, "value", value) == -1)
2840                         goto failed;
2841                 Py_DECREF(value);
2842                 value = ast2obj_identifier(o->v.Attribute.attr);
2843                 if (!value) goto failed;
2844                 if (PyObject_SetAttrString(result, "attr", value) == -1)
2845                         goto failed;
2846                 Py_DECREF(value);
2847                 value = ast2obj_expr_context(o->v.Attribute.ctx);
2848                 if (!value) goto failed;
2849                 if (PyObject_SetAttrString(result, "ctx", value) == -1)
2850                         goto failed;
2851                 Py_DECREF(value);
2852                 break;
2853         case Subscript_kind:
2854                 result = PyType_GenericNew(Subscript_type, NULL, NULL);
2855                 if (!result) goto failed;
2856                 value = ast2obj_expr(o->v.Subscript.value);
2857                 if (!value) goto failed;
2858                 if (PyObject_SetAttrString(result, "value", value) == -1)
2859                         goto failed;
2860                 Py_DECREF(value);
2861                 value = ast2obj_slice(o->v.Subscript.slice);
2862                 if (!value) goto failed;
2863                 if (PyObject_SetAttrString(result, "slice", value) == -1)
2864                         goto failed;
2865                 Py_DECREF(value);
2866                 value = ast2obj_expr_context(o->v.Subscript.ctx);
2867                 if (!value) goto failed;
2868                 if (PyObject_SetAttrString(result, "ctx", value) == -1)
2869                         goto failed;
2870                 Py_DECREF(value);
2871                 break;
2872         case Name_kind:
2873                 result = PyType_GenericNew(Name_type, NULL, NULL);
2874                 if (!result) goto failed;
2875                 value = ast2obj_identifier(o->v.Name.id);
2876                 if (!value) goto failed;
2877                 if (PyObject_SetAttrString(result, "id", value) == -1)
2878                         goto failed;
2879                 Py_DECREF(value);
2880                 value = ast2obj_expr_context(o->v.Name.ctx);
2881                 if (!value) goto failed;
2882                 if (PyObject_SetAttrString(result, "ctx", value) == -1)
2883                         goto failed;
2884                 Py_DECREF(value);
2885                 break;
2886         case List_kind:
2887                 result = PyType_GenericNew(List_type, NULL, NULL);
2888                 if (!result) goto failed;
2889                 value = ast2obj_list(o->v.List.elts, ast2obj_expr);
2890                 if (!value) goto failed;
2891                 if (PyObject_SetAttrString(result, "elts", value) == -1)
2892                         goto failed;
2893                 Py_DECREF(value);
2894                 value = ast2obj_expr_context(o->v.List.ctx);
2895                 if (!value) goto failed;
2896                 if (PyObject_SetAttrString(result, "ctx", value) == -1)
2897                         goto failed;
2898                 Py_DECREF(value);
2899                 break;
2900         case Tuple_kind:
2901                 result = PyType_GenericNew(Tuple_type, NULL, NULL);
2902                 if (!result) goto failed;
2903                 value = ast2obj_list(o->v.Tuple.elts, ast2obj_expr);
2904                 if (!value) goto failed;
2905                 if (PyObject_SetAttrString(result, "elts", value) == -1)
2906                         goto failed;
2907                 Py_DECREF(value);
2908                 value = ast2obj_expr_context(o->v.Tuple.ctx);
2909                 if (!value) goto failed;
2910                 if (PyObject_SetAttrString(result, "ctx", value) == -1)
2911                         goto failed;
2912                 Py_DECREF(value);
2913                 break;
2914         }
2915         value = ast2obj_int(o->lineno);
2916         if (!value) goto failed;
2917         if (PyObject_SetAttrString(result, "lineno", value) < 0)
2918                 goto failed;
2919         Py_DECREF(value);
2920         value = ast2obj_int(o->col_offset);
2921         if (!value) goto failed;
2922         if (PyObject_SetAttrString(result, "col_offset", value) < 0)
2923                 goto failed;
2924         Py_DECREF(value);
2925         return result;
2926 failed:
2927         Py_XDECREF(value);
2928         Py_XDECREF(result);
2929         return NULL;
2930 }
2931 
ast2obj_expr_context(expr_context_ty o)2932 PyObject* ast2obj_expr_context(expr_context_ty o)
2933 {
2934         switch(o) {
2935                 case Load:
2936                         Py_INCREF(Load_singleton);
2937                         return Load_singleton;
2938                 case Store:
2939                         Py_INCREF(Store_singleton);
2940                         return Store_singleton;
2941                 case Del:
2942                         Py_INCREF(Del_singleton);
2943                         return Del_singleton;
2944                 case AugLoad:
2945                         Py_INCREF(AugLoad_singleton);
2946                         return AugLoad_singleton;
2947                 case AugStore:
2948                         Py_INCREF(AugStore_singleton);
2949                         return AugStore_singleton;
2950                 case Param:
2951                         Py_INCREF(Param_singleton);
2952                         return Param_singleton;
2953                 default:
2954                         /* should never happen, but just in case ... */
2955                         PyErr_Format(PyExc_SystemError, "unknown expr_context found");
2956                         return NULL;
2957         }
2958 }
2959 PyObject*
ast2obj_slice(void * _o)2960 ast2obj_slice(void* _o)
2961 {
2962         slice_ty o = (slice_ty)_o;
2963         PyObject *result = NULL, *value = NULL;
2964         if (!o) {
2965                 Py_INCREF(Py_None);
2966                 return Py_None;
2967         }
2968 
2969         switch (o->kind) {
2970         case Ellipsis_kind:
2971                 result = PyType_GenericNew(Ellipsis_type, NULL, NULL);
2972                 if (!result) goto failed;
2973                 break;
2974         case Slice_kind:
2975                 result = PyType_GenericNew(Slice_type, NULL, NULL);
2976                 if (!result) goto failed;
2977                 value = ast2obj_expr(o->v.Slice.lower);
2978                 if (!value) goto failed;
2979                 if (PyObject_SetAttrString(result, "lower", value) == -1)
2980                         goto failed;
2981                 Py_DECREF(value);
2982                 value = ast2obj_expr(o->v.Slice.upper);
2983                 if (!value) goto failed;
2984                 if (PyObject_SetAttrString(result, "upper", value) == -1)
2985                         goto failed;
2986                 Py_DECREF(value);
2987                 value = ast2obj_expr(o->v.Slice.step);
2988                 if (!value) goto failed;
2989                 if (PyObject_SetAttrString(result, "step", value) == -1)
2990                         goto failed;
2991                 Py_DECREF(value);
2992                 break;
2993         case ExtSlice_kind:
2994                 result = PyType_GenericNew(ExtSlice_type, NULL, NULL);
2995                 if (!result) goto failed;
2996                 value = ast2obj_list(o->v.ExtSlice.dims, ast2obj_slice);
2997                 if (!value) goto failed;
2998                 if (PyObject_SetAttrString(result, "dims", value) == -1)
2999                         goto failed;
3000                 Py_DECREF(value);
3001                 break;
3002         case Index_kind:
3003                 result = PyType_GenericNew(Index_type, NULL, NULL);
3004                 if (!result) goto failed;
3005                 value = ast2obj_expr(o->v.Index.value);
3006                 if (!value) goto failed;
3007                 if (PyObject_SetAttrString(result, "value", value) == -1)
3008                         goto failed;
3009                 Py_DECREF(value);
3010                 break;
3011         }
3012         return result;
3013 failed:
3014         Py_XDECREF(value);
3015         Py_XDECREF(result);
3016         return NULL;
3017 }
3018 
ast2obj_boolop(boolop_ty o)3019 PyObject* ast2obj_boolop(boolop_ty o)
3020 {
3021         switch(o) {
3022                 case And:
3023                         Py_INCREF(And_singleton);
3024                         return And_singleton;
3025                 case Or:
3026                         Py_INCREF(Or_singleton);
3027                         return Or_singleton;
3028                 default:
3029                         /* should never happen, but just in case ... */
3030                         PyErr_Format(PyExc_SystemError, "unknown boolop found");
3031                         return NULL;
3032         }
3033 }
ast2obj_operator(operator_ty o)3034 PyObject* ast2obj_operator(operator_ty o)
3035 {
3036         switch(o) {
3037                 case Add:
3038                         Py_INCREF(Add_singleton);
3039                         return Add_singleton;
3040                 case Sub:
3041                         Py_INCREF(Sub_singleton);
3042                         return Sub_singleton;
3043                 case Mult:
3044                         Py_INCREF(Mult_singleton);
3045                         return Mult_singleton;
3046                 case Div:
3047                         Py_INCREF(Div_singleton);
3048                         return Div_singleton;
3049                 case Mod:
3050                         Py_INCREF(Mod_singleton);
3051                         return Mod_singleton;
3052                 case Pow:
3053                         Py_INCREF(Pow_singleton);
3054                         return Pow_singleton;
3055                 case LShift:
3056                         Py_INCREF(LShift_singleton);
3057                         return LShift_singleton;
3058                 case RShift:
3059                         Py_INCREF(RShift_singleton);
3060                         return RShift_singleton;
3061                 case BitOr:
3062                         Py_INCREF(BitOr_singleton);
3063                         return BitOr_singleton;
3064                 case BitXor:
3065                         Py_INCREF(BitXor_singleton);
3066                         return BitXor_singleton;
3067                 case BitAnd:
3068                         Py_INCREF(BitAnd_singleton);
3069                         return BitAnd_singleton;
3070                 case FloorDiv:
3071                         Py_INCREF(FloorDiv_singleton);
3072                         return FloorDiv_singleton;
3073                 default:
3074                         /* should never happen, but just in case ... */
3075                         PyErr_Format(PyExc_SystemError, "unknown operator found");
3076                         return NULL;
3077         }
3078 }
ast2obj_unaryop(unaryop_ty o)3079 PyObject* ast2obj_unaryop(unaryop_ty o)
3080 {
3081         switch(o) {
3082                 case Invert:
3083                         Py_INCREF(Invert_singleton);
3084                         return Invert_singleton;
3085                 case Not:
3086                         Py_INCREF(Not_singleton);
3087                         return Not_singleton;
3088                 case UAdd:
3089                         Py_INCREF(UAdd_singleton);
3090                         return UAdd_singleton;
3091                 case USub:
3092                         Py_INCREF(USub_singleton);
3093                         return USub_singleton;
3094                 default:
3095                         /* should never happen, but just in case ... */
3096                         PyErr_Format(PyExc_SystemError, "unknown unaryop found");
3097                         return NULL;
3098         }
3099 }
ast2obj_cmpop(cmpop_ty o)3100 PyObject* ast2obj_cmpop(cmpop_ty o)
3101 {
3102         switch(o) {
3103                 case Eq:
3104                         Py_INCREF(Eq_singleton);
3105                         return Eq_singleton;
3106                 case NotEq:
3107                         Py_INCREF(NotEq_singleton);
3108                         return NotEq_singleton;
3109                 case Lt:
3110                         Py_INCREF(Lt_singleton);
3111                         return Lt_singleton;
3112                 case LtE:
3113                         Py_INCREF(LtE_singleton);
3114                         return LtE_singleton;
3115                 case Gt:
3116                         Py_INCREF(Gt_singleton);
3117                         return Gt_singleton;
3118                 case GtE:
3119                         Py_INCREF(GtE_singleton);
3120                         return GtE_singleton;
3121                 case Is:
3122                         Py_INCREF(Is_singleton);
3123                         return Is_singleton;
3124                 case IsNot:
3125                         Py_INCREF(IsNot_singleton);
3126                         return IsNot_singleton;
3127                 case In:
3128                         Py_INCREF(In_singleton);
3129                         return In_singleton;
3130                 case NotIn:
3131                         Py_INCREF(NotIn_singleton);
3132                         return NotIn_singleton;
3133                 default:
3134                         /* should never happen, but just in case ... */
3135                         PyErr_Format(PyExc_SystemError, "unknown cmpop found");
3136                         return NULL;
3137         }
3138 }
3139 PyObject*
ast2obj_comprehension(void * _o)3140 ast2obj_comprehension(void* _o)
3141 {
3142         comprehension_ty o = (comprehension_ty)_o;
3143         PyObject *result = NULL, *value = NULL;
3144         if (!o) {
3145                 Py_INCREF(Py_None);
3146                 return Py_None;
3147         }
3148 
3149         result = PyType_GenericNew(comprehension_type, NULL, NULL);
3150         if (!result) return NULL;
3151         value = ast2obj_expr(o->target);
3152         if (!value) goto failed;
3153         if (PyObject_SetAttrString(result, "target", value) == -1)
3154                 goto failed;
3155         Py_DECREF(value);
3156         value = ast2obj_expr(o->iter);
3157         if (!value) goto failed;
3158         if (PyObject_SetAttrString(result, "iter", value) == -1)
3159                 goto failed;
3160         Py_DECREF(value);
3161         value = ast2obj_list(o->ifs, ast2obj_expr);
3162         if (!value) goto failed;
3163         if (PyObject_SetAttrString(result, "ifs", value) == -1)
3164                 goto failed;
3165         Py_DECREF(value);
3166         return result;
3167 failed:
3168         Py_XDECREF(value);
3169         Py_XDECREF(result);
3170         return NULL;
3171 }
3172 
3173 PyObject*
ast2obj_excepthandler(void * _o)3174 ast2obj_excepthandler(void* _o)
3175 {
3176         excepthandler_ty o = (excepthandler_ty)_o;
3177         PyObject *result = NULL, *value = NULL;
3178         if (!o) {
3179                 Py_INCREF(Py_None);
3180                 return Py_None;
3181         }
3182 
3183         switch (o->kind) {
3184         case ExceptHandler_kind:
3185                 result = PyType_GenericNew(ExceptHandler_type, NULL, NULL);
3186                 if (!result) goto failed;
3187                 value = ast2obj_expr(o->v.ExceptHandler.type);
3188                 if (!value) goto failed;
3189                 if (PyObject_SetAttrString(result, "type", value) == -1)
3190                         goto failed;
3191                 Py_DECREF(value);
3192                 value = ast2obj_expr(o->v.ExceptHandler.name);
3193                 if (!value) goto failed;
3194                 if (PyObject_SetAttrString(result, "name", value) == -1)
3195                         goto failed;
3196                 Py_DECREF(value);
3197                 value = ast2obj_list(o->v.ExceptHandler.body, ast2obj_stmt);
3198                 if (!value) goto failed;
3199                 if (PyObject_SetAttrString(result, "body", value) == -1)
3200                         goto failed;
3201                 Py_DECREF(value);
3202                 break;
3203         }
3204         value = ast2obj_int(o->lineno);
3205         if (!value) goto failed;
3206         if (PyObject_SetAttrString(result, "lineno", value) < 0)
3207                 goto failed;
3208         Py_DECREF(value);
3209         value = ast2obj_int(o->col_offset);
3210         if (!value) goto failed;
3211         if (PyObject_SetAttrString(result, "col_offset", value) < 0)
3212                 goto failed;
3213         Py_DECREF(value);
3214         return result;
3215 failed:
3216         Py_XDECREF(value);
3217         Py_XDECREF(result);
3218         return NULL;
3219 }
3220 
3221 PyObject*
ast2obj_arguments(void * _o)3222 ast2obj_arguments(void* _o)
3223 {
3224         arguments_ty o = (arguments_ty)_o;
3225         PyObject *result = NULL, *value = NULL;
3226         if (!o) {
3227                 Py_INCREF(Py_None);
3228                 return Py_None;
3229         }
3230 
3231         result = PyType_GenericNew(arguments_type, NULL, NULL);
3232         if (!result) return NULL;
3233         value = ast2obj_list(o->args, ast2obj_expr);
3234         if (!value) goto failed;
3235         if (PyObject_SetAttrString(result, "args", value) == -1)
3236                 goto failed;
3237         Py_DECREF(value);
3238         value = ast2obj_identifier(o->vararg);
3239         if (!value) goto failed;
3240         if (PyObject_SetAttrString(result, "vararg", value) == -1)
3241                 goto failed;
3242         Py_DECREF(value);
3243         value = ast2obj_identifier(o->kwarg);
3244         if (!value) goto failed;
3245         if (PyObject_SetAttrString(result, "kwarg", value) == -1)
3246                 goto failed;
3247         Py_DECREF(value);
3248         value = ast2obj_list(o->defaults, ast2obj_expr);
3249         if (!value) goto failed;
3250         if (PyObject_SetAttrString(result, "defaults", value) == -1)
3251                 goto failed;
3252         Py_DECREF(value);
3253         return result;
3254 failed:
3255         Py_XDECREF(value);
3256         Py_XDECREF(result);
3257         return NULL;
3258 }
3259 
3260 PyObject*
ast2obj_keyword(void * _o)3261 ast2obj_keyword(void* _o)
3262 {
3263         keyword_ty o = (keyword_ty)_o;
3264         PyObject *result = NULL, *value = NULL;
3265         if (!o) {
3266                 Py_INCREF(Py_None);
3267                 return Py_None;
3268         }
3269 
3270         result = PyType_GenericNew(keyword_type, NULL, NULL);
3271         if (!result) return NULL;
3272         value = ast2obj_identifier(o->arg);
3273         if (!value) goto failed;
3274         if (PyObject_SetAttrString(result, "arg", value) == -1)
3275                 goto failed;
3276         Py_DECREF(value);
3277         value = ast2obj_expr(o->value);
3278         if (!value) goto failed;
3279         if (PyObject_SetAttrString(result, "value", value) == -1)
3280                 goto failed;
3281         Py_DECREF(value);
3282         return result;
3283 failed:
3284         Py_XDECREF(value);
3285         Py_XDECREF(result);
3286         return NULL;
3287 }
3288 
3289 PyObject*
ast2obj_alias(void * _o)3290 ast2obj_alias(void* _o)
3291 {
3292         alias_ty o = (alias_ty)_o;
3293         PyObject *result = NULL, *value = NULL;
3294         if (!o) {
3295                 Py_INCREF(Py_None);
3296                 return Py_None;
3297         }
3298 
3299         result = PyType_GenericNew(alias_type, NULL, NULL);
3300         if (!result) return NULL;
3301         value = ast2obj_identifier(o->name);
3302         if (!value) goto failed;
3303         if (PyObject_SetAttrString(result, "name", value) == -1)
3304                 goto failed;
3305         Py_DECREF(value);
3306         value = ast2obj_identifier(o->asname);
3307         if (!value) goto failed;
3308         if (PyObject_SetAttrString(result, "asname", value) == -1)
3309                 goto failed;
3310         Py_DECREF(value);
3311         return result;
3312 failed:
3313         Py_XDECREF(value);
3314         Py_XDECREF(result);
3315         return NULL;
3316 }
3317 
3318 
3319 int
obj2ast_mod(PyObject * obj,mod_ty * out,PyArena * arena)3320 obj2ast_mod(PyObject* obj, mod_ty* out, PyArena* arena)
3321 {
3322         PyObject* tmp = NULL;
3323         int isinstance;
3324 
3325 
3326         if (obj == Py_None) {
3327                 *out = NULL;
3328                 return 0;
3329         }
3330         isinstance = PyObject_IsInstance(obj, (PyObject*)Module_type);
3331         if (isinstance == -1) {
3332                 return 1;
3333         }
3334         if (isinstance) {
3335                 asdl_seq* body;
3336 
3337                 if (PyObject_HasAttrString(obj, "body")) {
3338                         int res;
3339                         Py_ssize_t len;
3340                         Py_ssize_t i;
3341                         tmp = PyObject_GetAttrString(obj, "body");
3342                         if (tmp == NULL) goto failed;
3343                         if (!PyList_Check(tmp)) {
3344                                 PyErr_Format(PyExc_TypeError, "Module field \"body\" must be a list, not a %.200s", tmp->ob_type->tp_name);
3345                                 goto failed;
3346                         }
3347                         len = PyList_GET_SIZE(tmp);
3348                         body = asdl_seq_new(len, arena);
3349                         if (body == NULL) goto failed;
3350                         for (i = 0; i < len; i++) {
3351                                 stmt_ty value;
3352                                 res = obj2ast_stmt(PyList_GET_ITEM(tmp, i), &value, arena);
3353                                 if (res != 0) goto failed;
3354                                 if (len != PyList_GET_SIZE(tmp)) {
3355                                         PyErr_SetString(PyExc_RuntimeError, "Module field \"body\" changed size during iteration");
3356                                         goto failed;
3357                                 }
3358                                 asdl_seq_SET(body, i, value);
3359                         }
3360                         Py_XDECREF(tmp);
3361                         tmp = NULL;
3362                 } else {
3363                         PyErr_SetString(PyExc_TypeError, "required field \"body\" missing from Module");
3364                         return 1;
3365                 }
3366                 *out = Module(body, arena);
3367                 if (*out == NULL) goto failed;
3368                 return 0;
3369         }
3370         isinstance = PyObject_IsInstance(obj, (PyObject*)Interactive_type);
3371         if (isinstance == -1) {
3372                 return 1;
3373         }
3374         if (isinstance) {
3375                 asdl_seq* body;
3376 
3377                 if (PyObject_HasAttrString(obj, "body")) {
3378                         int res;
3379                         Py_ssize_t len;
3380                         Py_ssize_t i;
3381                         tmp = PyObject_GetAttrString(obj, "body");
3382                         if (tmp == NULL) goto failed;
3383                         if (!PyList_Check(tmp)) {
3384                                 PyErr_Format(PyExc_TypeError, "Interactive field \"body\" must be a list, not a %.200s", tmp->ob_type->tp_name);
3385                                 goto failed;
3386                         }
3387                         len = PyList_GET_SIZE(tmp);
3388                         body = asdl_seq_new(len, arena);
3389                         if (body == NULL) goto failed;
3390                         for (i = 0; i < len; i++) {
3391                                 stmt_ty value;
3392                                 res = obj2ast_stmt(PyList_GET_ITEM(tmp, i), &value, arena);
3393                                 if (res != 0) goto failed;
3394                                 if (len != PyList_GET_SIZE(tmp)) {
3395                                         PyErr_SetString(PyExc_RuntimeError, "Interactive field \"body\" changed size during iteration");
3396                                         goto failed;
3397                                 }
3398                                 asdl_seq_SET(body, i, value);
3399                         }
3400                         Py_XDECREF(tmp);
3401                         tmp = NULL;
3402                 } else {
3403                         PyErr_SetString(PyExc_TypeError, "required field \"body\" missing from Interactive");
3404                         return 1;
3405                 }
3406                 *out = Interactive(body, arena);
3407                 if (*out == NULL) goto failed;
3408                 return 0;
3409         }
3410         isinstance = PyObject_IsInstance(obj, (PyObject*)Expression_type);
3411         if (isinstance == -1) {
3412                 return 1;
3413         }
3414         if (isinstance) {
3415                 expr_ty body;
3416 
3417                 if (PyObject_HasAttrString(obj, "body")) {
3418                         int res;
3419                         tmp = PyObject_GetAttrString(obj, "body");
3420                         if (tmp == NULL) goto failed;
3421                         res = obj2ast_expr(tmp, &body, arena);
3422                         if (res != 0) goto failed;
3423                         Py_XDECREF(tmp);
3424                         tmp = NULL;
3425                 } else {
3426                         PyErr_SetString(PyExc_TypeError, "required field \"body\" missing from Expression");
3427                         return 1;
3428                 }
3429                 *out = Expression(body, arena);
3430                 if (*out == NULL) goto failed;
3431                 return 0;
3432         }
3433         isinstance = PyObject_IsInstance(obj, (PyObject*)Suite_type);
3434         if (isinstance == -1) {
3435                 return 1;
3436         }
3437         if (isinstance) {
3438                 asdl_seq* body;
3439 
3440                 if (PyObject_HasAttrString(obj, "body")) {
3441                         int res;
3442                         Py_ssize_t len;
3443                         Py_ssize_t i;
3444                         tmp = PyObject_GetAttrString(obj, "body");
3445                         if (tmp == NULL) goto failed;
3446                         if (!PyList_Check(tmp)) {
3447                                 PyErr_Format(PyExc_TypeError, "Suite field \"body\" must be a list, not a %.200s", tmp->ob_type->tp_name);
3448                                 goto failed;
3449                         }
3450                         len = PyList_GET_SIZE(tmp);
3451                         body = asdl_seq_new(len, arena);
3452                         if (body == NULL) goto failed;
3453                         for (i = 0; i < len; i++) {
3454                                 stmt_ty value;
3455                                 res = obj2ast_stmt(PyList_GET_ITEM(tmp, i), &value, arena);
3456                                 if (res != 0) goto failed;
3457                                 if (len != PyList_GET_SIZE(tmp)) {
3458                                         PyErr_SetString(PyExc_RuntimeError, "Suite field \"body\" changed size during iteration");
3459                                         goto failed;
3460                                 }
3461                                 asdl_seq_SET(body, i, value);
3462                         }
3463                         Py_XDECREF(tmp);
3464                         tmp = NULL;
3465                 } else {
3466                         PyErr_SetString(PyExc_TypeError, "required field \"body\" missing from Suite");
3467                         return 1;
3468                 }
3469                 *out = Suite(body, arena);
3470                 if (*out == NULL) goto failed;
3471                 return 0;
3472         }
3473 
3474         tmp = PyObject_Repr(obj);
3475         if (tmp == NULL) goto failed;
3476         PyErr_Format(PyExc_TypeError, "expected some sort of mod, but got %.400s", PyString_AS_STRING(tmp));
3477 failed:
3478         Py_XDECREF(tmp);
3479         return 1;
3480 }
3481 
3482 int
obj2ast_stmt(PyObject * obj,stmt_ty * out,PyArena * arena)3483 obj2ast_stmt(PyObject* obj, stmt_ty* out, PyArena* arena)
3484 {
3485         PyObject* tmp = NULL;
3486         int isinstance;
3487 
3488         int lineno;
3489         int col_offset;
3490 
3491         if (obj == Py_None) {
3492                 *out = NULL;
3493                 return 0;
3494         }
3495         if (PyObject_HasAttrString(obj, "lineno")) {
3496                 int res;
3497                 tmp = PyObject_GetAttrString(obj, "lineno");
3498                 if (tmp == NULL) goto failed;
3499                 res = obj2ast_int(tmp, &lineno, arena);
3500                 if (res != 0) goto failed;
3501                 Py_XDECREF(tmp);
3502                 tmp = NULL;
3503         } else {
3504                 PyErr_SetString(PyExc_TypeError, "required field \"lineno\" missing from stmt");
3505                 return 1;
3506         }
3507         if (PyObject_HasAttrString(obj, "col_offset")) {
3508                 int res;
3509                 tmp = PyObject_GetAttrString(obj, "col_offset");
3510                 if (tmp == NULL) goto failed;
3511                 res = obj2ast_int(tmp, &col_offset, arena);
3512                 if (res != 0) goto failed;
3513                 Py_XDECREF(tmp);
3514                 tmp = NULL;
3515         } else {
3516                 PyErr_SetString(PyExc_TypeError, "required field \"col_offset\" missing from stmt");
3517                 return 1;
3518         }
3519         isinstance = PyObject_IsInstance(obj, (PyObject*)FunctionDef_type);
3520         if (isinstance == -1) {
3521                 return 1;
3522         }
3523         if (isinstance) {
3524                 identifier name;
3525                 arguments_ty args;
3526                 asdl_seq* body;
3527                 asdl_seq* decorator_list;
3528 
3529                 if (PyObject_HasAttrString(obj, "name")) {
3530                         int res;
3531                         tmp = PyObject_GetAttrString(obj, "name");
3532                         if (tmp == NULL) goto failed;
3533                         res = obj2ast_identifier(tmp, &name, arena);
3534                         if (res != 0) goto failed;
3535                         Py_XDECREF(tmp);
3536                         tmp = NULL;
3537                 } else {
3538                         PyErr_SetString(PyExc_TypeError, "required field \"name\" missing from FunctionDef");
3539                         return 1;
3540                 }
3541                 if (PyObject_HasAttrString(obj, "args")) {
3542                         int res;
3543                         tmp = PyObject_GetAttrString(obj, "args");
3544                         if (tmp == NULL) goto failed;
3545                         res = obj2ast_arguments(tmp, &args, arena);
3546                         if (res != 0) goto failed;
3547                         Py_XDECREF(tmp);
3548                         tmp = NULL;
3549                 } else {
3550                         PyErr_SetString(PyExc_TypeError, "required field \"args\" missing from FunctionDef");
3551                         return 1;
3552                 }
3553                 if (PyObject_HasAttrString(obj, "body")) {
3554                         int res;
3555                         Py_ssize_t len;
3556                         Py_ssize_t i;
3557                         tmp = PyObject_GetAttrString(obj, "body");
3558                         if (tmp == NULL) goto failed;
3559                         if (!PyList_Check(tmp)) {
3560                                 PyErr_Format(PyExc_TypeError, "FunctionDef field \"body\" must be a list, not a %.200s", tmp->ob_type->tp_name);
3561                                 goto failed;
3562                         }
3563                         len = PyList_GET_SIZE(tmp);
3564                         body = asdl_seq_new(len, arena);
3565                         if (body == NULL) goto failed;
3566                         for (i = 0; i < len; i++) {
3567                                 stmt_ty value;
3568                                 res = obj2ast_stmt(PyList_GET_ITEM(tmp, i), &value, arena);
3569                                 if (res != 0) goto failed;
3570                                 if (len != PyList_GET_SIZE(tmp)) {
3571                                         PyErr_SetString(PyExc_RuntimeError, "FunctionDef field \"body\" changed size during iteration");
3572                                         goto failed;
3573                                 }
3574                                 asdl_seq_SET(body, i, value);
3575                         }
3576                         Py_XDECREF(tmp);
3577                         tmp = NULL;
3578                 } else {
3579                         PyErr_SetString(PyExc_TypeError, "required field \"body\" missing from FunctionDef");
3580                         return 1;
3581                 }
3582                 if (PyObject_HasAttrString(obj, "decorator_list")) {
3583                         int res;
3584                         Py_ssize_t len;
3585                         Py_ssize_t i;
3586                         tmp = PyObject_GetAttrString(obj, "decorator_list");
3587                         if (tmp == NULL) goto failed;
3588                         if (!PyList_Check(tmp)) {
3589                                 PyErr_Format(PyExc_TypeError, "FunctionDef field \"decorator_list\" must be a list, not a %.200s", tmp->ob_type->tp_name);
3590                                 goto failed;
3591                         }
3592                         len = PyList_GET_SIZE(tmp);
3593                         decorator_list = asdl_seq_new(len, arena);
3594                         if (decorator_list == NULL) goto failed;
3595                         for (i = 0; i < len; i++) {
3596                                 expr_ty value;
3597                                 res = obj2ast_expr(PyList_GET_ITEM(tmp, i), &value, arena);
3598                                 if (res != 0) goto failed;
3599                                 if (len != PyList_GET_SIZE(tmp)) {
3600                                         PyErr_SetString(PyExc_RuntimeError, "FunctionDef field \"decorator_list\" changed size during iteration");
3601                                         goto failed;
3602                                 }
3603                                 asdl_seq_SET(decorator_list, i, value);
3604                         }
3605                         Py_XDECREF(tmp);
3606                         tmp = NULL;
3607                 } else {
3608                         PyErr_SetString(PyExc_TypeError, "required field \"decorator_list\" missing from FunctionDef");
3609                         return 1;
3610                 }
3611                 *out = FunctionDef(name, args, body, decorator_list, lineno,
3612                                    col_offset, arena);
3613                 if (*out == NULL) goto failed;
3614                 return 0;
3615         }
3616         isinstance = PyObject_IsInstance(obj, (PyObject*)ClassDef_type);
3617         if (isinstance == -1) {
3618                 return 1;
3619         }
3620         if (isinstance) {
3621                 identifier name;
3622                 asdl_seq* bases;
3623                 asdl_seq* body;
3624                 asdl_seq* decorator_list;
3625 
3626                 if (PyObject_HasAttrString(obj, "name")) {
3627                         int res;
3628                         tmp = PyObject_GetAttrString(obj, "name");
3629                         if (tmp == NULL) goto failed;
3630                         res = obj2ast_identifier(tmp, &name, arena);
3631                         if (res != 0) goto failed;
3632                         Py_XDECREF(tmp);
3633                         tmp = NULL;
3634                 } else {
3635                         PyErr_SetString(PyExc_TypeError, "required field \"name\" missing from ClassDef");
3636                         return 1;
3637                 }
3638                 if (PyObject_HasAttrString(obj, "bases")) {
3639                         int res;
3640                         Py_ssize_t len;
3641                         Py_ssize_t i;
3642                         tmp = PyObject_GetAttrString(obj, "bases");
3643                         if (tmp == NULL) goto failed;
3644                         if (!PyList_Check(tmp)) {
3645                                 PyErr_Format(PyExc_TypeError, "ClassDef field \"bases\" must be a list, not a %.200s", tmp->ob_type->tp_name);
3646                                 goto failed;
3647                         }
3648                         len = PyList_GET_SIZE(tmp);
3649                         bases = asdl_seq_new(len, arena);
3650                         if (bases == NULL) goto failed;
3651                         for (i = 0; i < len; i++) {
3652                                 expr_ty value;
3653                                 res = obj2ast_expr(PyList_GET_ITEM(tmp, i), &value, arena);
3654                                 if (res != 0) goto failed;
3655                                 if (len != PyList_GET_SIZE(tmp)) {
3656                                         PyErr_SetString(PyExc_RuntimeError, "ClassDef field \"bases\" changed size during iteration");
3657                                         goto failed;
3658                                 }
3659                                 asdl_seq_SET(bases, i, value);
3660                         }
3661                         Py_XDECREF(tmp);
3662                         tmp = NULL;
3663                 } else {
3664                         PyErr_SetString(PyExc_TypeError, "required field \"bases\" missing from ClassDef");
3665                         return 1;
3666                 }
3667                 if (PyObject_HasAttrString(obj, "body")) {
3668                         int res;
3669                         Py_ssize_t len;
3670                         Py_ssize_t i;
3671                         tmp = PyObject_GetAttrString(obj, "body");
3672                         if (tmp == NULL) goto failed;
3673                         if (!PyList_Check(tmp)) {
3674                                 PyErr_Format(PyExc_TypeError, "ClassDef field \"body\" must be a list, not a %.200s", tmp->ob_type->tp_name);
3675                                 goto failed;
3676                         }
3677                         len = PyList_GET_SIZE(tmp);
3678                         body = asdl_seq_new(len, arena);
3679                         if (body == NULL) goto failed;
3680                         for (i = 0; i < len; i++) {
3681                                 stmt_ty value;
3682                                 res = obj2ast_stmt(PyList_GET_ITEM(tmp, i), &value, arena);
3683                                 if (res != 0) goto failed;
3684                                 if (len != PyList_GET_SIZE(tmp)) {
3685                                         PyErr_SetString(PyExc_RuntimeError, "ClassDef field \"body\" changed size during iteration");
3686                                         goto failed;
3687                                 }
3688                                 asdl_seq_SET(body, i, value);
3689                         }
3690                         Py_XDECREF(tmp);
3691                         tmp = NULL;
3692                 } else {
3693                         PyErr_SetString(PyExc_TypeError, "required field \"body\" missing from ClassDef");
3694                         return 1;
3695                 }
3696                 if (PyObject_HasAttrString(obj, "decorator_list")) {
3697                         int res;
3698                         Py_ssize_t len;
3699                         Py_ssize_t i;
3700                         tmp = PyObject_GetAttrString(obj, "decorator_list");
3701                         if (tmp == NULL) goto failed;
3702                         if (!PyList_Check(tmp)) {
3703                                 PyErr_Format(PyExc_TypeError, "ClassDef field \"decorator_list\" must be a list, not a %.200s", tmp->ob_type->tp_name);
3704                                 goto failed;
3705                         }
3706                         len = PyList_GET_SIZE(tmp);
3707                         decorator_list = asdl_seq_new(len, arena);
3708                         if (decorator_list == NULL) goto failed;
3709                         for (i = 0; i < len; i++) {
3710                                 expr_ty value;
3711                                 res = obj2ast_expr(PyList_GET_ITEM(tmp, i), &value, arena);
3712                                 if (res != 0) goto failed;
3713                                 if (len != PyList_GET_SIZE(tmp)) {
3714                                         PyErr_SetString(PyExc_RuntimeError, "ClassDef field \"decorator_list\" changed size during iteration");
3715                                         goto failed;
3716                                 }
3717                                 asdl_seq_SET(decorator_list, i, value);
3718                         }
3719                         Py_XDECREF(tmp);
3720                         tmp = NULL;
3721                 } else {
3722                         PyErr_SetString(PyExc_TypeError, "required field \"decorator_list\" missing from ClassDef");
3723                         return 1;
3724                 }
3725                 *out = ClassDef(name, bases, body, decorator_list, lineno,
3726                                 col_offset, arena);
3727                 if (*out == NULL) goto failed;
3728                 return 0;
3729         }
3730         isinstance = PyObject_IsInstance(obj, (PyObject*)Return_type);
3731         if (isinstance == -1) {
3732                 return 1;
3733         }
3734         if (isinstance) {
3735                 expr_ty value;
3736 
3737                 if (PyObject_HasAttrString(obj, "value")) {
3738                         int res;
3739                         tmp = PyObject_GetAttrString(obj, "value");
3740                         if (tmp == NULL) goto failed;
3741                         res = obj2ast_expr(tmp, &value, arena);
3742                         if (res != 0) goto failed;
3743                         Py_XDECREF(tmp);
3744                         tmp = NULL;
3745                 } else {
3746                         value = NULL;
3747                 }
3748                 *out = Return(value, lineno, col_offset, arena);
3749                 if (*out == NULL) goto failed;
3750                 return 0;
3751         }
3752         isinstance = PyObject_IsInstance(obj, (PyObject*)Delete_type);
3753         if (isinstance == -1) {
3754                 return 1;
3755         }
3756         if (isinstance) {
3757                 asdl_seq* targets;
3758 
3759                 if (PyObject_HasAttrString(obj, "targets")) {
3760                         int res;
3761                         Py_ssize_t len;
3762                         Py_ssize_t i;
3763                         tmp = PyObject_GetAttrString(obj, "targets");
3764                         if (tmp == NULL) goto failed;
3765                         if (!PyList_Check(tmp)) {
3766                                 PyErr_Format(PyExc_TypeError, "Delete field \"targets\" must be a list, not a %.200s", tmp->ob_type->tp_name);
3767                                 goto failed;
3768                         }
3769                         len = PyList_GET_SIZE(tmp);
3770                         targets = asdl_seq_new(len, arena);
3771                         if (targets == NULL) goto failed;
3772                         for (i = 0; i < len; i++) {
3773                                 expr_ty value;
3774                                 res = obj2ast_expr(PyList_GET_ITEM(tmp, i), &value, arena);
3775                                 if (res != 0) goto failed;
3776                                 if (len != PyList_GET_SIZE(tmp)) {
3777                                         PyErr_SetString(PyExc_RuntimeError, "Delete field \"targets\" changed size during iteration");
3778                                         goto failed;
3779                                 }
3780                                 asdl_seq_SET(targets, i, value);
3781                         }
3782                         Py_XDECREF(tmp);
3783                         tmp = NULL;
3784                 } else {
3785                         PyErr_SetString(PyExc_TypeError, "required field \"targets\" missing from Delete");
3786                         return 1;
3787                 }
3788                 *out = Delete(targets, lineno, col_offset, arena);
3789                 if (*out == NULL) goto failed;
3790                 return 0;
3791         }
3792         isinstance = PyObject_IsInstance(obj, (PyObject*)Assign_type);
3793         if (isinstance == -1) {
3794                 return 1;
3795         }
3796         if (isinstance) {
3797                 asdl_seq* targets;
3798                 expr_ty value;
3799 
3800                 if (PyObject_HasAttrString(obj, "targets")) {
3801                         int res;
3802                         Py_ssize_t len;
3803                         Py_ssize_t i;
3804                         tmp = PyObject_GetAttrString(obj, "targets");
3805                         if (tmp == NULL) goto failed;
3806                         if (!PyList_Check(tmp)) {
3807                                 PyErr_Format(PyExc_TypeError, "Assign field \"targets\" must be a list, not a %.200s", tmp->ob_type->tp_name);
3808                                 goto failed;
3809                         }
3810                         len = PyList_GET_SIZE(tmp);
3811                         targets = asdl_seq_new(len, arena);
3812                         if (targets == NULL) goto failed;
3813                         for (i = 0; i < len; i++) {
3814                                 expr_ty value;
3815                                 res = obj2ast_expr(PyList_GET_ITEM(tmp, i), &value, arena);
3816                                 if (res != 0) goto failed;
3817                                 if (len != PyList_GET_SIZE(tmp)) {
3818                                         PyErr_SetString(PyExc_RuntimeError, "Assign field \"targets\" changed size during iteration");
3819                                         goto failed;
3820                                 }
3821                                 asdl_seq_SET(targets, i, value);
3822                         }
3823                         Py_XDECREF(tmp);
3824                         tmp = NULL;
3825                 } else {
3826                         PyErr_SetString(PyExc_TypeError, "required field \"targets\" missing from Assign");
3827                         return 1;
3828                 }
3829                 if (PyObject_HasAttrString(obj, "value")) {
3830                         int res;
3831                         tmp = PyObject_GetAttrString(obj, "value");
3832                         if (tmp == NULL) goto failed;
3833                         res = obj2ast_expr(tmp, &value, arena);
3834                         if (res != 0) goto failed;
3835                         Py_XDECREF(tmp);
3836                         tmp = NULL;
3837                 } else {
3838                         PyErr_SetString(PyExc_TypeError, "required field \"value\" missing from Assign");
3839                         return 1;
3840                 }
3841                 *out = Assign(targets, value, lineno, col_offset, arena);
3842                 if (*out == NULL) goto failed;
3843                 return 0;
3844         }
3845         isinstance = PyObject_IsInstance(obj, (PyObject*)AugAssign_type);
3846         if (isinstance == -1) {
3847                 return 1;
3848         }
3849         if (isinstance) {
3850                 expr_ty target;
3851                 operator_ty op;
3852                 expr_ty value;
3853 
3854                 if (PyObject_HasAttrString(obj, "target")) {
3855                         int res;
3856                         tmp = PyObject_GetAttrString(obj, "target");
3857                         if (tmp == NULL) goto failed;
3858                         res = obj2ast_expr(tmp, &target, arena);
3859                         if (res != 0) goto failed;
3860                         Py_XDECREF(tmp);
3861                         tmp = NULL;
3862                 } else {
3863                         PyErr_SetString(PyExc_TypeError, "required field \"target\" missing from AugAssign");
3864                         return 1;
3865                 }
3866                 if (PyObject_HasAttrString(obj, "op")) {
3867                         int res;
3868                         tmp = PyObject_GetAttrString(obj, "op");
3869                         if (tmp == NULL) goto failed;
3870                         res = obj2ast_operator(tmp, &op, arena);
3871                         if (res != 0) goto failed;
3872                         Py_XDECREF(tmp);
3873                         tmp = NULL;
3874                 } else {
3875                         PyErr_SetString(PyExc_TypeError, "required field \"op\" missing from AugAssign");
3876                         return 1;
3877                 }
3878                 if (PyObject_HasAttrString(obj, "value")) {
3879                         int res;
3880                         tmp = PyObject_GetAttrString(obj, "value");
3881                         if (tmp == NULL) goto failed;
3882                         res = obj2ast_expr(tmp, &value, arena);
3883                         if (res != 0) goto failed;
3884                         Py_XDECREF(tmp);
3885                         tmp = NULL;
3886                 } else {
3887                         PyErr_SetString(PyExc_TypeError, "required field \"value\" missing from AugAssign");
3888                         return 1;
3889                 }
3890                 *out = AugAssign(target, op, value, lineno, col_offset, arena);
3891                 if (*out == NULL) goto failed;
3892                 return 0;
3893         }
3894         isinstance = PyObject_IsInstance(obj, (PyObject*)Print_type);
3895         if (isinstance == -1) {
3896                 return 1;
3897         }
3898         if (isinstance) {
3899                 expr_ty dest;
3900                 asdl_seq* values;
3901                 bool nl;
3902 
3903                 if (PyObject_HasAttrString(obj, "dest")) {
3904                         int res;
3905                         tmp = PyObject_GetAttrString(obj, "dest");
3906                         if (tmp == NULL) goto failed;
3907                         res = obj2ast_expr(tmp, &dest, arena);
3908                         if (res != 0) goto failed;
3909                         Py_XDECREF(tmp);
3910                         tmp = NULL;
3911                 } else {
3912                         dest = NULL;
3913                 }
3914                 if (PyObject_HasAttrString(obj, "values")) {
3915                         int res;
3916                         Py_ssize_t len;
3917                         Py_ssize_t i;
3918                         tmp = PyObject_GetAttrString(obj, "values");
3919                         if (tmp == NULL) goto failed;
3920                         if (!PyList_Check(tmp)) {
3921                                 PyErr_Format(PyExc_TypeError, "Print field \"values\" must be a list, not a %.200s", tmp->ob_type->tp_name);
3922                                 goto failed;
3923                         }
3924                         len = PyList_GET_SIZE(tmp);
3925                         values = asdl_seq_new(len, arena);
3926                         if (values == NULL) goto failed;
3927                         for (i = 0; i < len; i++) {
3928                                 expr_ty value;
3929                                 res = obj2ast_expr(PyList_GET_ITEM(tmp, i), &value, arena);
3930                                 if (res != 0) goto failed;
3931                                 if (len != PyList_GET_SIZE(tmp)) {
3932                                         PyErr_SetString(PyExc_RuntimeError, "Print field \"values\" changed size during iteration");
3933                                         goto failed;
3934                                 }
3935                                 asdl_seq_SET(values, i, value);
3936                         }
3937                         Py_XDECREF(tmp);
3938                         tmp = NULL;
3939                 } else {
3940                         PyErr_SetString(PyExc_TypeError, "required field \"values\" missing from Print");
3941                         return 1;
3942                 }
3943                 if (PyObject_HasAttrString(obj, "nl")) {
3944                         int res;
3945                         tmp = PyObject_GetAttrString(obj, "nl");
3946                         if (tmp == NULL) goto failed;
3947                         res = obj2ast_bool(tmp, &nl, arena);
3948                         if (res != 0) goto failed;
3949                         Py_XDECREF(tmp);
3950                         tmp = NULL;
3951                 } else {
3952                         PyErr_SetString(PyExc_TypeError, "required field \"nl\" missing from Print");
3953                         return 1;
3954                 }
3955                 *out = Print(dest, values, nl, lineno, col_offset, arena);
3956                 if (*out == NULL) goto failed;
3957                 return 0;
3958         }
3959         isinstance = PyObject_IsInstance(obj, (PyObject*)For_type);
3960         if (isinstance == -1) {
3961                 return 1;
3962         }
3963         if (isinstance) {
3964                 expr_ty target;
3965                 expr_ty iter;
3966                 asdl_seq* body;
3967                 asdl_seq* orelse;
3968 
3969                 if (PyObject_HasAttrString(obj, "target")) {
3970                         int res;
3971                         tmp = PyObject_GetAttrString(obj, "target");
3972                         if (tmp == NULL) goto failed;
3973                         res = obj2ast_expr(tmp, &target, arena);
3974                         if (res != 0) goto failed;
3975                         Py_XDECREF(tmp);
3976                         tmp = NULL;
3977                 } else {
3978                         PyErr_SetString(PyExc_TypeError, "required field \"target\" missing from For");
3979                         return 1;
3980                 }
3981                 if (PyObject_HasAttrString(obj, "iter")) {
3982                         int res;
3983                         tmp = PyObject_GetAttrString(obj, "iter");
3984                         if (tmp == NULL) goto failed;
3985                         res = obj2ast_expr(tmp, &iter, arena);
3986                         if (res != 0) goto failed;
3987                         Py_XDECREF(tmp);
3988                         tmp = NULL;
3989                 } else {
3990                         PyErr_SetString(PyExc_TypeError, "required field \"iter\" missing from For");
3991                         return 1;
3992                 }
3993                 if (PyObject_HasAttrString(obj, "body")) {
3994                         int res;
3995                         Py_ssize_t len;
3996                         Py_ssize_t i;
3997                         tmp = PyObject_GetAttrString(obj, "body");
3998                         if (tmp == NULL) goto failed;
3999                         if (!PyList_Check(tmp)) {
4000                                 PyErr_Format(PyExc_TypeError, "For field \"body\" must be a list, not a %.200s", tmp->ob_type->tp_name);
4001                                 goto failed;
4002                         }
4003                         len = PyList_GET_SIZE(tmp);
4004                         body = asdl_seq_new(len, arena);
4005                         if (body == NULL) goto failed;
4006                         for (i = 0; i < len; i++) {
4007                                 stmt_ty value;
4008                                 res = obj2ast_stmt(PyList_GET_ITEM(tmp, i), &value, arena);
4009                                 if (res != 0) goto failed;
4010                                 if (len != PyList_GET_SIZE(tmp)) {
4011                                         PyErr_SetString(PyExc_RuntimeError, "For field \"body\" changed size during iteration");
4012                                         goto failed;
4013                                 }
4014                                 asdl_seq_SET(body, i, value);
4015                         }
4016                         Py_XDECREF(tmp);
4017                         tmp = NULL;
4018                 } else {
4019                         PyErr_SetString(PyExc_TypeError, "required field \"body\" missing from For");
4020                         return 1;
4021                 }
4022                 if (PyObject_HasAttrString(obj, "orelse")) {
4023                         int res;
4024                         Py_ssize_t len;
4025                         Py_ssize_t i;
4026                         tmp = PyObject_GetAttrString(obj, "orelse");
4027                         if (tmp == NULL) goto failed;
4028                         if (!PyList_Check(tmp)) {
4029                                 PyErr_Format(PyExc_TypeError, "For field \"orelse\" must be a list, not a %.200s", tmp->ob_type->tp_name);
4030                                 goto failed;
4031                         }
4032                         len = PyList_GET_SIZE(tmp);
4033                         orelse = asdl_seq_new(len, arena);
4034                         if (orelse == NULL) goto failed;
4035                         for (i = 0; i < len; i++) {
4036                                 stmt_ty value;
4037                                 res = obj2ast_stmt(PyList_GET_ITEM(tmp, i), &value, arena);
4038                                 if (res != 0) goto failed;
4039                                 if (len != PyList_GET_SIZE(tmp)) {
4040                                         PyErr_SetString(PyExc_RuntimeError, "For field \"orelse\" changed size during iteration");
4041                                         goto failed;
4042                                 }
4043                                 asdl_seq_SET(orelse, i, value);
4044                         }
4045                         Py_XDECREF(tmp);
4046                         tmp = NULL;
4047                 } else {
4048                         PyErr_SetString(PyExc_TypeError, "required field \"orelse\" missing from For");
4049                         return 1;
4050                 }
4051                 *out = For(target, iter, body, orelse, lineno, col_offset,
4052                            arena);
4053                 if (*out == NULL) goto failed;
4054                 return 0;
4055         }
4056         isinstance = PyObject_IsInstance(obj, (PyObject*)While_type);
4057         if (isinstance == -1) {
4058                 return 1;
4059         }
4060         if (isinstance) {
4061                 expr_ty test;
4062                 asdl_seq* body;
4063                 asdl_seq* orelse;
4064 
4065                 if (PyObject_HasAttrString(obj, "test")) {
4066                         int res;
4067                         tmp = PyObject_GetAttrString(obj, "test");
4068                         if (tmp == NULL) goto failed;
4069                         res = obj2ast_expr(tmp, &test, arena);
4070                         if (res != 0) goto failed;
4071                         Py_XDECREF(tmp);
4072                         tmp = NULL;
4073                 } else {
4074                         PyErr_SetString(PyExc_TypeError, "required field \"test\" missing from While");
4075                         return 1;
4076                 }
4077                 if (PyObject_HasAttrString(obj, "body")) {
4078                         int res;
4079                         Py_ssize_t len;
4080                         Py_ssize_t i;
4081                         tmp = PyObject_GetAttrString(obj, "body");
4082                         if (tmp == NULL) goto failed;
4083                         if (!PyList_Check(tmp)) {
4084                                 PyErr_Format(PyExc_TypeError, "While field \"body\" must be a list, not a %.200s", tmp->ob_type->tp_name);
4085                                 goto failed;
4086                         }
4087                         len = PyList_GET_SIZE(tmp);
4088                         body = asdl_seq_new(len, arena);
4089                         if (body == NULL) goto failed;
4090                         for (i = 0; i < len; i++) {
4091                                 stmt_ty value;
4092                                 res = obj2ast_stmt(PyList_GET_ITEM(tmp, i), &value, arena);
4093                                 if (res != 0) goto failed;
4094                                 if (len != PyList_GET_SIZE(tmp)) {
4095                                         PyErr_SetString(PyExc_RuntimeError, "While field \"body\" changed size during iteration");
4096                                         goto failed;
4097                                 }
4098                                 asdl_seq_SET(body, i, value);
4099                         }
4100                         Py_XDECREF(tmp);
4101                         tmp = NULL;
4102                 } else {
4103                         PyErr_SetString(PyExc_TypeError, "required field \"body\" missing from While");
4104                         return 1;
4105                 }
4106                 if (PyObject_HasAttrString(obj, "orelse")) {
4107                         int res;
4108                         Py_ssize_t len;
4109                         Py_ssize_t i;
4110                         tmp = PyObject_GetAttrString(obj, "orelse");
4111                         if (tmp == NULL) goto failed;
4112                         if (!PyList_Check(tmp)) {
4113                                 PyErr_Format(PyExc_TypeError, "While field \"orelse\" must be a list, not a %.200s", tmp->ob_type->tp_name);
4114                                 goto failed;
4115                         }
4116                         len = PyList_GET_SIZE(tmp);
4117                         orelse = asdl_seq_new(len, arena);
4118                         if (orelse == NULL) goto failed;
4119                         for (i = 0; i < len; i++) {
4120                                 stmt_ty value;
4121                                 res = obj2ast_stmt(PyList_GET_ITEM(tmp, i), &value, arena);
4122                                 if (res != 0) goto failed;
4123                                 if (len != PyList_GET_SIZE(tmp)) {
4124                                         PyErr_SetString(PyExc_RuntimeError, "While field \"orelse\" changed size during iteration");
4125                                         goto failed;
4126                                 }
4127                                 asdl_seq_SET(orelse, i, value);
4128                         }
4129                         Py_XDECREF(tmp);
4130                         tmp = NULL;
4131                 } else {
4132                         PyErr_SetString(PyExc_TypeError, "required field \"orelse\" missing from While");
4133                         return 1;
4134                 }
4135                 *out = While(test, body, orelse, lineno, col_offset, arena);
4136                 if (*out == NULL) goto failed;
4137                 return 0;
4138         }
4139         isinstance = PyObject_IsInstance(obj, (PyObject*)If_type);
4140         if (isinstance == -1) {
4141                 return 1;
4142         }
4143         if (isinstance) {
4144                 expr_ty test;
4145                 asdl_seq* body;
4146                 asdl_seq* orelse;
4147 
4148                 if (PyObject_HasAttrString(obj, "test")) {
4149                         int res;
4150                         tmp = PyObject_GetAttrString(obj, "test");
4151                         if (tmp == NULL) goto failed;
4152                         res = obj2ast_expr(tmp, &test, arena);
4153                         if (res != 0) goto failed;
4154                         Py_XDECREF(tmp);
4155                         tmp = NULL;
4156                 } else {
4157                         PyErr_SetString(PyExc_TypeError, "required field \"test\" missing from If");
4158                         return 1;
4159                 }
4160                 if (PyObject_HasAttrString(obj, "body")) {
4161                         int res;
4162                         Py_ssize_t len;
4163                         Py_ssize_t i;
4164                         tmp = PyObject_GetAttrString(obj, "body");
4165                         if (tmp == NULL) goto failed;
4166                         if (!PyList_Check(tmp)) {
4167                                 PyErr_Format(PyExc_TypeError, "If field \"body\" must be a list, not a %.200s", tmp->ob_type->tp_name);
4168                                 goto failed;
4169                         }
4170                         len = PyList_GET_SIZE(tmp);
4171                         body = asdl_seq_new(len, arena);
4172                         if (body == NULL) goto failed;
4173                         for (i = 0; i < len; i++) {
4174                                 stmt_ty value;
4175                                 res = obj2ast_stmt(PyList_GET_ITEM(tmp, i), &value, arena);
4176                                 if (res != 0) goto failed;
4177                                 if (len != PyList_GET_SIZE(tmp)) {
4178                                         PyErr_SetString(PyExc_RuntimeError, "If field \"body\" changed size during iteration");
4179                                         goto failed;
4180                                 }
4181                                 asdl_seq_SET(body, i, value);
4182                         }
4183                         Py_XDECREF(tmp);
4184                         tmp = NULL;
4185                 } else {
4186                         PyErr_SetString(PyExc_TypeError, "required field \"body\" missing from If");
4187                         return 1;
4188                 }
4189                 if (PyObject_HasAttrString(obj, "orelse")) {
4190                         int res;
4191                         Py_ssize_t len;
4192                         Py_ssize_t i;
4193                         tmp = PyObject_GetAttrString(obj, "orelse");
4194                         if (tmp == NULL) goto failed;
4195                         if (!PyList_Check(tmp)) {
4196                                 PyErr_Format(PyExc_TypeError, "If field \"orelse\" must be a list, not a %.200s", tmp->ob_type->tp_name);
4197                                 goto failed;
4198                         }
4199                         len = PyList_GET_SIZE(tmp);
4200                         orelse = asdl_seq_new(len, arena);
4201                         if (orelse == NULL) goto failed;
4202                         for (i = 0; i < len; i++) {
4203                                 stmt_ty value;
4204                                 res = obj2ast_stmt(PyList_GET_ITEM(tmp, i), &value, arena);
4205                                 if (res != 0) goto failed;
4206                                 if (len != PyList_GET_SIZE(tmp)) {
4207                                         PyErr_SetString(PyExc_RuntimeError, "If field \"orelse\" changed size during iteration");
4208                                         goto failed;
4209                                 }
4210                                 asdl_seq_SET(orelse, i, value);
4211                         }
4212                         Py_XDECREF(tmp);
4213                         tmp = NULL;
4214                 } else {
4215                         PyErr_SetString(PyExc_TypeError, "required field \"orelse\" missing from If");
4216                         return 1;
4217                 }
4218                 *out = If(test, body, orelse, lineno, col_offset, arena);
4219                 if (*out == NULL) goto failed;
4220                 return 0;
4221         }
4222         isinstance = PyObject_IsInstance(obj, (PyObject*)With_type);
4223         if (isinstance == -1) {
4224                 return 1;
4225         }
4226         if (isinstance) {
4227                 expr_ty context_expr;
4228                 expr_ty optional_vars;
4229                 asdl_seq* body;
4230 
4231                 if (PyObject_HasAttrString(obj, "context_expr")) {
4232                         int res;
4233                         tmp = PyObject_GetAttrString(obj, "context_expr");
4234                         if (tmp == NULL) goto failed;
4235                         res = obj2ast_expr(tmp, &context_expr, arena);
4236                         if (res != 0) goto failed;
4237                         Py_XDECREF(tmp);
4238                         tmp = NULL;
4239                 } else {
4240                         PyErr_SetString(PyExc_TypeError, "required field \"context_expr\" missing from With");
4241                         return 1;
4242                 }
4243                 if (PyObject_HasAttrString(obj, "optional_vars")) {
4244                         int res;
4245                         tmp = PyObject_GetAttrString(obj, "optional_vars");
4246                         if (tmp == NULL) goto failed;
4247                         res = obj2ast_expr(tmp, &optional_vars, arena);
4248                         if (res != 0) goto failed;
4249                         Py_XDECREF(tmp);
4250                         tmp = NULL;
4251                 } else {
4252                         optional_vars = NULL;
4253                 }
4254                 if (PyObject_HasAttrString(obj, "body")) {
4255                         int res;
4256                         Py_ssize_t len;
4257                         Py_ssize_t i;
4258                         tmp = PyObject_GetAttrString(obj, "body");
4259                         if (tmp == NULL) goto failed;
4260                         if (!PyList_Check(tmp)) {
4261                                 PyErr_Format(PyExc_TypeError, "With field \"body\" must be a list, not a %.200s", tmp->ob_type->tp_name);
4262                                 goto failed;
4263                         }
4264                         len = PyList_GET_SIZE(tmp);
4265                         body = asdl_seq_new(len, arena);
4266                         if (body == NULL) goto failed;
4267                         for (i = 0; i < len; i++) {
4268                                 stmt_ty value;
4269                                 res = obj2ast_stmt(PyList_GET_ITEM(tmp, i), &value, arena);
4270                                 if (res != 0) goto failed;
4271                                 if (len != PyList_GET_SIZE(tmp)) {
4272                                         PyErr_SetString(PyExc_RuntimeError, "With field \"body\" changed size during iteration");
4273                                         goto failed;
4274                                 }
4275                                 asdl_seq_SET(body, i, value);
4276                         }
4277                         Py_XDECREF(tmp);
4278                         tmp = NULL;
4279                 } else {
4280                         PyErr_SetString(PyExc_TypeError, "required field \"body\" missing from With");
4281                         return 1;
4282                 }
4283                 *out = With(context_expr, optional_vars, body, lineno,
4284                             col_offset, arena);
4285                 if (*out == NULL) goto failed;
4286                 return 0;
4287         }
4288         isinstance = PyObject_IsInstance(obj, (PyObject*)Raise_type);
4289         if (isinstance == -1) {
4290                 return 1;
4291         }
4292         if (isinstance) {
4293                 expr_ty type;
4294                 expr_ty inst;
4295                 expr_ty tback;
4296 
4297                 if (PyObject_HasAttrString(obj, "type")) {
4298                         int res;
4299                         tmp = PyObject_GetAttrString(obj, "type");
4300                         if (tmp == NULL) goto failed;
4301                         res = obj2ast_expr(tmp, &type, arena);
4302                         if (res != 0) goto failed;
4303                         Py_XDECREF(tmp);
4304                         tmp = NULL;
4305                 } else {
4306                         type = NULL;
4307                 }
4308                 if (PyObject_HasAttrString(obj, "inst")) {
4309                         int res;
4310                         tmp = PyObject_GetAttrString(obj, "inst");
4311                         if (tmp == NULL) goto failed;
4312                         res = obj2ast_expr(tmp, &inst, arena);
4313                         if (res != 0) goto failed;
4314                         Py_XDECREF(tmp);
4315                         tmp = NULL;
4316                 } else {
4317                         inst = NULL;
4318                 }
4319                 if (PyObject_HasAttrString(obj, "tback")) {
4320                         int res;
4321                         tmp = PyObject_GetAttrString(obj, "tback");
4322                         if (tmp == NULL) goto failed;
4323                         res = obj2ast_expr(tmp, &tback, arena);
4324                         if (res != 0) goto failed;
4325                         Py_XDECREF(tmp);
4326                         tmp = NULL;
4327                 } else {
4328                         tback = NULL;
4329                 }
4330                 *out = Raise(type, inst, tback, lineno, col_offset, arena);
4331                 if (*out == NULL) goto failed;
4332                 return 0;
4333         }
4334         isinstance = PyObject_IsInstance(obj, (PyObject*)TryExcept_type);
4335         if (isinstance == -1) {
4336                 return 1;
4337         }
4338         if (isinstance) {
4339                 asdl_seq* body;
4340                 asdl_seq* handlers;
4341                 asdl_seq* orelse;
4342 
4343                 if (PyObject_HasAttrString(obj, "body")) {
4344                         int res;
4345                         Py_ssize_t len;
4346                         Py_ssize_t i;
4347                         tmp = PyObject_GetAttrString(obj, "body");
4348                         if (tmp == NULL) goto failed;
4349                         if (!PyList_Check(tmp)) {
4350                                 PyErr_Format(PyExc_TypeError, "TryExcept field \"body\" must be a list, not a %.200s", tmp->ob_type->tp_name);
4351                                 goto failed;
4352                         }
4353                         len = PyList_GET_SIZE(tmp);
4354                         body = asdl_seq_new(len, arena);
4355                         if (body == NULL) goto failed;
4356                         for (i = 0; i < len; i++) {
4357                                 stmt_ty value;
4358                                 res = obj2ast_stmt(PyList_GET_ITEM(tmp, i), &value, arena);
4359                                 if (res != 0) goto failed;
4360                                 if (len != PyList_GET_SIZE(tmp)) {
4361                                         PyErr_SetString(PyExc_RuntimeError, "TryExcept field \"body\" changed size during iteration");
4362                                         goto failed;
4363                                 }
4364                                 asdl_seq_SET(body, i, value);
4365                         }
4366                         Py_XDECREF(tmp);
4367                         tmp = NULL;
4368                 } else {
4369                         PyErr_SetString(PyExc_TypeError, "required field \"body\" missing from TryExcept");
4370                         return 1;
4371                 }
4372                 if (PyObject_HasAttrString(obj, "handlers")) {
4373                         int res;
4374                         Py_ssize_t len;
4375                         Py_ssize_t i;
4376                         tmp = PyObject_GetAttrString(obj, "handlers");
4377                         if (tmp == NULL) goto failed;
4378                         if (!PyList_Check(tmp)) {
4379                                 PyErr_Format(PyExc_TypeError, "TryExcept field \"handlers\" must be a list, not a %.200s", tmp->ob_type->tp_name);
4380                                 goto failed;
4381                         }
4382                         len = PyList_GET_SIZE(tmp);
4383                         handlers = asdl_seq_new(len, arena);
4384                         if (handlers == NULL) goto failed;
4385                         for (i = 0; i < len; i++) {
4386                                 excepthandler_ty value;
4387                                 res = obj2ast_excepthandler(PyList_GET_ITEM(tmp, i), &value, arena);
4388                                 if (res != 0) goto failed;
4389                                 if (len != PyList_GET_SIZE(tmp)) {
4390                                         PyErr_SetString(PyExc_RuntimeError, "TryExcept field \"handlers\" changed size during iteration");
4391                                         goto failed;
4392                                 }
4393                                 asdl_seq_SET(handlers, i, value);
4394                         }
4395                         Py_XDECREF(tmp);
4396                         tmp = NULL;
4397                 } else {
4398                         PyErr_SetString(PyExc_TypeError, "required field \"handlers\" missing from TryExcept");
4399                         return 1;
4400                 }
4401                 if (PyObject_HasAttrString(obj, "orelse")) {
4402                         int res;
4403                         Py_ssize_t len;
4404                         Py_ssize_t i;
4405                         tmp = PyObject_GetAttrString(obj, "orelse");
4406                         if (tmp == NULL) goto failed;
4407                         if (!PyList_Check(tmp)) {
4408                                 PyErr_Format(PyExc_TypeError, "TryExcept field \"orelse\" must be a list, not a %.200s", tmp->ob_type->tp_name);
4409                                 goto failed;
4410                         }
4411                         len = PyList_GET_SIZE(tmp);
4412                         orelse = asdl_seq_new(len, arena);
4413                         if (orelse == NULL) goto failed;
4414                         for (i = 0; i < len; i++) {
4415                                 stmt_ty value;
4416                                 res = obj2ast_stmt(PyList_GET_ITEM(tmp, i), &value, arena);
4417                                 if (res != 0) goto failed;
4418                                 if (len != PyList_GET_SIZE(tmp)) {
4419                                         PyErr_SetString(PyExc_RuntimeError, "TryExcept field \"orelse\" changed size during iteration");
4420                                         goto failed;
4421                                 }
4422                                 asdl_seq_SET(orelse, i, value);
4423                         }
4424                         Py_XDECREF(tmp);
4425                         tmp = NULL;
4426                 } else {
4427                         PyErr_SetString(PyExc_TypeError, "required field \"orelse\" missing from TryExcept");
4428                         return 1;
4429                 }
4430                 *out = TryExcept(body, handlers, orelse, lineno, col_offset,
4431                                  arena);
4432                 if (*out == NULL) goto failed;
4433                 return 0;
4434         }
4435         isinstance = PyObject_IsInstance(obj, (PyObject*)TryFinally_type);
4436         if (isinstance == -1) {
4437                 return 1;
4438         }
4439         if (isinstance) {
4440                 asdl_seq* body;
4441                 asdl_seq* finalbody;
4442 
4443                 if (PyObject_HasAttrString(obj, "body")) {
4444                         int res;
4445                         Py_ssize_t len;
4446                         Py_ssize_t i;
4447                         tmp = PyObject_GetAttrString(obj, "body");
4448                         if (tmp == NULL) goto failed;
4449                         if (!PyList_Check(tmp)) {
4450                                 PyErr_Format(PyExc_TypeError, "TryFinally field \"body\" must be a list, not a %.200s", tmp->ob_type->tp_name);
4451                                 goto failed;
4452                         }
4453                         len = PyList_GET_SIZE(tmp);
4454                         body = asdl_seq_new(len, arena);
4455                         if (body == NULL) goto failed;
4456                         for (i = 0; i < len; i++) {
4457                                 stmt_ty value;
4458                                 res = obj2ast_stmt(PyList_GET_ITEM(tmp, i), &value, arena);
4459                                 if (res != 0) goto failed;
4460                                 if (len != PyList_GET_SIZE(tmp)) {
4461                                         PyErr_SetString(PyExc_RuntimeError, "TryFinally field \"body\" changed size during iteration");
4462                                         goto failed;
4463                                 }
4464                                 asdl_seq_SET(body, i, value);
4465                         }
4466                         Py_XDECREF(tmp);
4467                         tmp = NULL;
4468                 } else {
4469                         PyErr_SetString(PyExc_TypeError, "required field \"body\" missing from TryFinally");
4470                         return 1;
4471                 }
4472                 if (PyObject_HasAttrString(obj, "finalbody")) {
4473                         int res;
4474                         Py_ssize_t len;
4475                         Py_ssize_t i;
4476                         tmp = PyObject_GetAttrString(obj, "finalbody");
4477                         if (tmp == NULL) goto failed;
4478                         if (!PyList_Check(tmp)) {
4479                                 PyErr_Format(PyExc_TypeError, "TryFinally field \"finalbody\" must be a list, not a %.200s", tmp->ob_type->tp_name);
4480                                 goto failed;
4481                         }
4482                         len = PyList_GET_SIZE(tmp);
4483                         finalbody = asdl_seq_new(len, arena);
4484                         if (finalbody == NULL) goto failed;
4485                         for (i = 0; i < len; i++) {
4486                                 stmt_ty value;
4487                                 res = obj2ast_stmt(PyList_GET_ITEM(tmp, i), &value, arena);
4488                                 if (res != 0) goto failed;
4489                                 if (len != PyList_GET_SIZE(tmp)) {
4490                                         PyErr_SetString(PyExc_RuntimeError, "TryFinally field \"finalbody\" changed size during iteration");
4491                                         goto failed;
4492                                 }
4493                                 asdl_seq_SET(finalbody, i, value);
4494                         }
4495                         Py_XDECREF(tmp);
4496                         tmp = NULL;
4497                 } else {
4498                         PyErr_SetString(PyExc_TypeError, "required field \"finalbody\" missing from TryFinally");
4499                         return 1;
4500                 }
4501                 *out = TryFinally(body, finalbody, lineno, col_offset, arena);
4502                 if (*out == NULL) goto failed;
4503                 return 0;
4504         }
4505         isinstance = PyObject_IsInstance(obj, (PyObject*)Assert_type);
4506         if (isinstance == -1) {
4507                 return 1;
4508         }
4509         if (isinstance) {
4510                 expr_ty test;
4511                 expr_ty msg;
4512 
4513                 if (PyObject_HasAttrString(obj, "test")) {
4514                         int res;
4515                         tmp = PyObject_GetAttrString(obj, "test");
4516                         if (tmp == NULL) goto failed;
4517                         res = obj2ast_expr(tmp, &test, arena);
4518                         if (res != 0) goto failed;
4519                         Py_XDECREF(tmp);
4520                         tmp = NULL;
4521                 } else {
4522                         PyErr_SetString(PyExc_TypeError, "required field \"test\" missing from Assert");
4523                         return 1;
4524                 }
4525                 if (PyObject_HasAttrString(obj, "msg")) {
4526                         int res;
4527                         tmp = PyObject_GetAttrString(obj, "msg");
4528                         if (tmp == NULL) goto failed;
4529                         res = obj2ast_expr(tmp, &msg, arena);
4530                         if (res != 0) goto failed;
4531                         Py_XDECREF(tmp);
4532                         tmp = NULL;
4533                 } else {
4534                         msg = NULL;
4535                 }
4536                 *out = Assert(test, msg, lineno, col_offset, arena);
4537                 if (*out == NULL) goto failed;
4538                 return 0;
4539         }
4540         isinstance = PyObject_IsInstance(obj, (PyObject*)Import_type);
4541         if (isinstance == -1) {
4542                 return 1;
4543         }
4544         if (isinstance) {
4545                 asdl_seq* names;
4546 
4547                 if (PyObject_HasAttrString(obj, "names")) {
4548                         int res;
4549                         Py_ssize_t len;
4550                         Py_ssize_t i;
4551                         tmp = PyObject_GetAttrString(obj, "names");
4552                         if (tmp == NULL) goto failed;
4553                         if (!PyList_Check(tmp)) {
4554                                 PyErr_Format(PyExc_TypeError, "Import field \"names\" must be a list, not a %.200s", tmp->ob_type->tp_name);
4555                                 goto failed;
4556                         }
4557                         len = PyList_GET_SIZE(tmp);
4558                         names = asdl_seq_new(len, arena);
4559                         if (names == NULL) goto failed;
4560                         for (i = 0; i < len; i++) {
4561                                 alias_ty value;
4562                                 res = obj2ast_alias(PyList_GET_ITEM(tmp, i), &value, arena);
4563                                 if (res != 0) goto failed;
4564                                 if (len != PyList_GET_SIZE(tmp)) {
4565                                         PyErr_SetString(PyExc_RuntimeError, "Import field \"names\" changed size during iteration");
4566                                         goto failed;
4567                                 }
4568                                 asdl_seq_SET(names, i, value);
4569                         }
4570                         Py_XDECREF(tmp);
4571                         tmp = NULL;
4572                 } else {
4573                         PyErr_SetString(PyExc_TypeError, "required field \"names\" missing from Import");
4574                         return 1;
4575                 }
4576                 *out = Import(names, lineno, col_offset, arena);
4577                 if (*out == NULL) goto failed;
4578                 return 0;
4579         }
4580         isinstance = PyObject_IsInstance(obj, (PyObject*)ImportFrom_type);
4581         if (isinstance == -1) {
4582                 return 1;
4583         }
4584         if (isinstance) {
4585                 identifier module;
4586                 asdl_seq* names;
4587                 int level;
4588 
4589                 if (PyObject_HasAttrString(obj, "module")) {
4590                         int res;
4591                         tmp = PyObject_GetAttrString(obj, "module");
4592                         if (tmp == NULL) goto failed;
4593                         res = obj2ast_identifier(tmp, &module, arena);
4594                         if (res != 0) goto failed;
4595                         Py_XDECREF(tmp);
4596                         tmp = NULL;
4597                 } else {
4598                         module = NULL;
4599                 }
4600                 if (PyObject_HasAttrString(obj, "names")) {
4601                         int res;
4602                         Py_ssize_t len;
4603                         Py_ssize_t i;
4604                         tmp = PyObject_GetAttrString(obj, "names");
4605                         if (tmp == NULL) goto failed;
4606                         if (!PyList_Check(tmp)) {
4607                                 PyErr_Format(PyExc_TypeError, "ImportFrom field \"names\" must be a list, not a %.200s", tmp->ob_type->tp_name);
4608                                 goto failed;
4609                         }
4610                         len = PyList_GET_SIZE(tmp);
4611                         names = asdl_seq_new(len, arena);
4612                         if (names == NULL) goto failed;
4613                         for (i = 0; i < len; i++) {
4614                                 alias_ty value;
4615                                 res = obj2ast_alias(PyList_GET_ITEM(tmp, i), &value, arena);
4616                                 if (res != 0) goto failed;
4617                                 if (len != PyList_GET_SIZE(tmp)) {
4618                                         PyErr_SetString(PyExc_RuntimeError, "ImportFrom field \"names\" changed size during iteration");
4619                                         goto failed;
4620                                 }
4621                                 asdl_seq_SET(names, i, value);
4622                         }
4623                         Py_XDECREF(tmp);
4624                         tmp = NULL;
4625                 } else {
4626                         PyErr_SetString(PyExc_TypeError, "required field \"names\" missing from ImportFrom");
4627                         return 1;
4628                 }
4629                 if (PyObject_HasAttrString(obj, "level")) {
4630                         int res;
4631                         tmp = PyObject_GetAttrString(obj, "level");
4632                         if (tmp == NULL) goto failed;
4633                         res = obj2ast_int(tmp, &level, arena);
4634                         if (res != 0) goto failed;
4635                         Py_XDECREF(tmp);
4636                         tmp = NULL;
4637                 } else {
4638                         level = 0;
4639                 }
4640                 *out = ImportFrom(module, names, level, lineno, col_offset,
4641                                   arena);
4642                 if (*out == NULL) goto failed;
4643                 return 0;
4644         }
4645         isinstance = PyObject_IsInstance(obj, (PyObject*)Exec_type);
4646         if (isinstance == -1) {
4647                 return 1;
4648         }
4649         if (isinstance) {
4650                 expr_ty body;
4651                 expr_ty globals;
4652                 expr_ty locals;
4653 
4654                 if (PyObject_HasAttrString(obj, "body")) {
4655                         int res;
4656                         tmp = PyObject_GetAttrString(obj, "body");
4657                         if (tmp == NULL) goto failed;
4658                         res = obj2ast_expr(tmp, &body, arena);
4659                         if (res != 0) goto failed;
4660                         Py_XDECREF(tmp);
4661                         tmp = NULL;
4662                 } else {
4663                         PyErr_SetString(PyExc_TypeError, "required field \"body\" missing from Exec");
4664                         return 1;
4665                 }
4666                 if (PyObject_HasAttrString(obj, "globals")) {
4667                         int res;
4668                         tmp = PyObject_GetAttrString(obj, "globals");
4669                         if (tmp == NULL) goto failed;
4670                         res = obj2ast_expr(tmp, &globals, arena);
4671                         if (res != 0) goto failed;
4672                         Py_XDECREF(tmp);
4673                         tmp = NULL;
4674                 } else {
4675                         globals = NULL;
4676                 }
4677                 if (PyObject_HasAttrString(obj, "locals")) {
4678                         int res;
4679                         tmp = PyObject_GetAttrString(obj, "locals");
4680                         if (tmp == NULL) goto failed;
4681                         res = obj2ast_expr(tmp, &locals, arena);
4682                         if (res != 0) goto failed;
4683                         Py_XDECREF(tmp);
4684                         tmp = NULL;
4685                 } else {
4686                         locals = NULL;
4687                 }
4688                 *out = Exec(body, globals, locals, lineno, col_offset, arena);
4689                 if (*out == NULL) goto failed;
4690                 return 0;
4691         }
4692         isinstance = PyObject_IsInstance(obj, (PyObject*)Global_type);
4693         if (isinstance == -1) {
4694                 return 1;
4695         }
4696         if (isinstance) {
4697                 asdl_seq* names;
4698 
4699                 if (PyObject_HasAttrString(obj, "names")) {
4700                         int res;
4701                         Py_ssize_t len;
4702                         Py_ssize_t i;
4703                         tmp = PyObject_GetAttrString(obj, "names");
4704                         if (tmp == NULL) goto failed;
4705                         if (!PyList_Check(tmp)) {
4706                                 PyErr_Format(PyExc_TypeError, "Global field \"names\" must be a list, not a %.200s", tmp->ob_type->tp_name);
4707                                 goto failed;
4708                         }
4709                         len = PyList_GET_SIZE(tmp);
4710                         names = asdl_seq_new(len, arena);
4711                         if (names == NULL) goto failed;
4712                         for (i = 0; i < len; i++) {
4713                                 identifier value;
4714                                 res = obj2ast_identifier(PyList_GET_ITEM(tmp, i), &value, arena);
4715                                 if (res != 0) goto failed;
4716                                 if (len != PyList_GET_SIZE(tmp)) {
4717                                         PyErr_SetString(PyExc_RuntimeError, "Global field \"names\" changed size during iteration");
4718                                         goto failed;
4719                                 }
4720                                 asdl_seq_SET(names, i, value);
4721                         }
4722                         Py_XDECREF(tmp);
4723                         tmp = NULL;
4724                 } else {
4725                         PyErr_SetString(PyExc_TypeError, "required field \"names\" missing from Global");
4726                         return 1;
4727                 }
4728                 *out = Global(names, lineno, col_offset, arena);
4729                 if (*out == NULL) goto failed;
4730                 return 0;
4731         }
4732         isinstance = PyObject_IsInstance(obj, (PyObject*)Expr_type);
4733         if (isinstance == -1) {
4734                 return 1;
4735         }
4736         if (isinstance) {
4737                 expr_ty value;
4738 
4739                 if (PyObject_HasAttrString(obj, "value")) {
4740                         int res;
4741                         tmp = PyObject_GetAttrString(obj, "value");
4742                         if (tmp == NULL) goto failed;
4743                         res = obj2ast_expr(tmp, &value, arena);
4744                         if (res != 0) goto failed;
4745                         Py_XDECREF(tmp);
4746                         tmp = NULL;
4747                 } else {
4748                         PyErr_SetString(PyExc_TypeError, "required field \"value\" missing from Expr");
4749                         return 1;
4750                 }
4751                 *out = Expr(value, lineno, col_offset, arena);
4752                 if (*out == NULL) goto failed;
4753                 return 0;
4754         }
4755         isinstance = PyObject_IsInstance(obj, (PyObject*)Pass_type);
4756         if (isinstance == -1) {
4757                 return 1;
4758         }
4759         if (isinstance) {
4760 
4761                 *out = Pass(lineno, col_offset, arena);
4762                 if (*out == NULL) goto failed;
4763                 return 0;
4764         }
4765         isinstance = PyObject_IsInstance(obj, (PyObject*)Break_type);
4766         if (isinstance == -1) {
4767                 return 1;
4768         }
4769         if (isinstance) {
4770 
4771                 *out = Break(lineno, col_offset, arena);
4772                 if (*out == NULL) goto failed;
4773                 return 0;
4774         }
4775         isinstance = PyObject_IsInstance(obj, (PyObject*)Continue_type);
4776         if (isinstance == -1) {
4777                 return 1;
4778         }
4779         if (isinstance) {
4780 
4781                 *out = Continue(lineno, col_offset, arena);
4782                 if (*out == NULL) goto failed;
4783                 return 0;
4784         }
4785 
4786         tmp = PyObject_Repr(obj);
4787         if (tmp == NULL) goto failed;
4788         PyErr_Format(PyExc_TypeError, "expected some sort of stmt, but got %.400s", PyString_AS_STRING(tmp));
4789 failed:
4790         Py_XDECREF(tmp);
4791         return 1;
4792 }
4793 
4794 int
obj2ast_expr(PyObject * obj,expr_ty * out,PyArena * arena)4795 obj2ast_expr(PyObject* obj, expr_ty* out, PyArena* arena)
4796 {
4797         PyObject* tmp = NULL;
4798         int isinstance;
4799 
4800         int lineno;
4801         int col_offset;
4802 
4803         if (obj == Py_None) {
4804                 *out = NULL;
4805                 return 0;
4806         }
4807         if (PyObject_HasAttrString(obj, "lineno")) {
4808                 int res;
4809                 tmp = PyObject_GetAttrString(obj, "lineno");
4810                 if (tmp == NULL) goto failed;
4811                 res = obj2ast_int(tmp, &lineno, arena);
4812                 if (res != 0) goto failed;
4813                 Py_XDECREF(tmp);
4814                 tmp = NULL;
4815         } else {
4816                 PyErr_SetString(PyExc_TypeError, "required field \"lineno\" missing from expr");
4817                 return 1;
4818         }
4819         if (PyObject_HasAttrString(obj, "col_offset")) {
4820                 int res;
4821                 tmp = PyObject_GetAttrString(obj, "col_offset");
4822                 if (tmp == NULL) goto failed;
4823                 res = obj2ast_int(tmp, &col_offset, arena);
4824                 if (res != 0) goto failed;
4825                 Py_XDECREF(tmp);
4826                 tmp = NULL;
4827         } else {
4828                 PyErr_SetString(PyExc_TypeError, "required field \"col_offset\" missing from expr");
4829                 return 1;
4830         }
4831         isinstance = PyObject_IsInstance(obj, (PyObject*)BoolOp_type);
4832         if (isinstance == -1) {
4833                 return 1;
4834         }
4835         if (isinstance) {
4836                 boolop_ty op;
4837                 asdl_seq* values;
4838 
4839                 if (PyObject_HasAttrString(obj, "op")) {
4840                         int res;
4841                         tmp = PyObject_GetAttrString(obj, "op");
4842                         if (tmp == NULL) goto failed;
4843                         res = obj2ast_boolop(tmp, &op, arena);
4844                         if (res != 0) goto failed;
4845                         Py_XDECREF(tmp);
4846                         tmp = NULL;
4847                 } else {
4848                         PyErr_SetString(PyExc_TypeError, "required field \"op\" missing from BoolOp");
4849                         return 1;
4850                 }
4851                 if (PyObject_HasAttrString(obj, "values")) {
4852                         int res;
4853                         Py_ssize_t len;
4854                         Py_ssize_t i;
4855                         tmp = PyObject_GetAttrString(obj, "values");
4856                         if (tmp == NULL) goto failed;
4857                         if (!PyList_Check(tmp)) {
4858                                 PyErr_Format(PyExc_TypeError, "BoolOp field \"values\" must be a list, not a %.200s", tmp->ob_type->tp_name);
4859                                 goto failed;
4860                         }
4861                         len = PyList_GET_SIZE(tmp);
4862                         values = asdl_seq_new(len, arena);
4863                         if (values == NULL) goto failed;
4864                         for (i = 0; i < len; i++) {
4865                                 expr_ty value;
4866                                 res = obj2ast_expr(PyList_GET_ITEM(tmp, i), &value, arena);
4867                                 if (res != 0) goto failed;
4868                                 if (len != PyList_GET_SIZE(tmp)) {
4869                                         PyErr_SetString(PyExc_RuntimeError, "BoolOp field \"values\" changed size during iteration");
4870                                         goto failed;
4871                                 }
4872                                 asdl_seq_SET(values, i, value);
4873                         }
4874                         Py_XDECREF(tmp);
4875                         tmp = NULL;
4876                 } else {
4877                         PyErr_SetString(PyExc_TypeError, "required field \"values\" missing from BoolOp");
4878                         return 1;
4879                 }
4880                 *out = BoolOp(op, values, lineno, col_offset, arena);
4881                 if (*out == NULL) goto failed;
4882                 return 0;
4883         }
4884         isinstance = PyObject_IsInstance(obj, (PyObject*)BinOp_type);
4885         if (isinstance == -1) {
4886                 return 1;
4887         }
4888         if (isinstance) {
4889                 expr_ty left;
4890                 operator_ty op;
4891                 expr_ty right;
4892 
4893                 if (PyObject_HasAttrString(obj, "left")) {
4894                         int res;
4895                         tmp = PyObject_GetAttrString(obj, "left");
4896                         if (tmp == NULL) goto failed;
4897                         res = obj2ast_expr(tmp, &left, arena);
4898                         if (res != 0) goto failed;
4899                         Py_XDECREF(tmp);
4900                         tmp = NULL;
4901                 } else {
4902                         PyErr_SetString(PyExc_TypeError, "required field \"left\" missing from BinOp");
4903                         return 1;
4904                 }
4905                 if (PyObject_HasAttrString(obj, "op")) {
4906                         int res;
4907                         tmp = PyObject_GetAttrString(obj, "op");
4908                         if (tmp == NULL) goto failed;
4909                         res = obj2ast_operator(tmp, &op, arena);
4910                         if (res != 0) goto failed;
4911                         Py_XDECREF(tmp);
4912                         tmp = NULL;
4913                 } else {
4914                         PyErr_SetString(PyExc_TypeError, "required field \"op\" missing from BinOp");
4915                         return 1;
4916                 }
4917                 if (PyObject_HasAttrString(obj, "right")) {
4918                         int res;
4919                         tmp = PyObject_GetAttrString(obj, "right");
4920                         if (tmp == NULL) goto failed;
4921                         res = obj2ast_expr(tmp, &right, arena);
4922                         if (res != 0) goto failed;
4923                         Py_XDECREF(tmp);
4924                         tmp = NULL;
4925                 } else {
4926                         PyErr_SetString(PyExc_TypeError, "required field \"right\" missing from BinOp");
4927                         return 1;
4928                 }
4929                 *out = BinOp(left, op, right, lineno, col_offset, arena);
4930                 if (*out == NULL) goto failed;
4931                 return 0;
4932         }
4933         isinstance = PyObject_IsInstance(obj, (PyObject*)UnaryOp_type);
4934         if (isinstance == -1) {
4935                 return 1;
4936         }
4937         if (isinstance) {
4938                 unaryop_ty op;
4939                 expr_ty operand;
4940 
4941                 if (PyObject_HasAttrString(obj, "op")) {
4942                         int res;
4943                         tmp = PyObject_GetAttrString(obj, "op");
4944                         if (tmp == NULL) goto failed;
4945                         res = obj2ast_unaryop(tmp, &op, arena);
4946                         if (res != 0) goto failed;
4947                         Py_XDECREF(tmp);
4948                         tmp = NULL;
4949                 } else {
4950                         PyErr_SetString(PyExc_TypeError, "required field \"op\" missing from UnaryOp");
4951                         return 1;
4952                 }
4953                 if (PyObject_HasAttrString(obj, "operand")) {
4954                         int res;
4955                         tmp = PyObject_GetAttrString(obj, "operand");
4956                         if (tmp == NULL) goto failed;
4957                         res = obj2ast_expr(tmp, &operand, arena);
4958                         if (res != 0) goto failed;
4959                         Py_XDECREF(tmp);
4960                         tmp = NULL;
4961                 } else {
4962                         PyErr_SetString(PyExc_TypeError, "required field \"operand\" missing from UnaryOp");
4963                         return 1;
4964                 }
4965                 *out = UnaryOp(op, operand, lineno, col_offset, arena);
4966                 if (*out == NULL) goto failed;
4967                 return 0;
4968         }
4969         isinstance = PyObject_IsInstance(obj, (PyObject*)Lambda_type);
4970         if (isinstance == -1) {
4971                 return 1;
4972         }
4973         if (isinstance) {
4974                 arguments_ty args;
4975                 expr_ty body;
4976 
4977                 if (PyObject_HasAttrString(obj, "args")) {
4978                         int res;
4979                         tmp = PyObject_GetAttrString(obj, "args");
4980                         if (tmp == NULL) goto failed;
4981                         res = obj2ast_arguments(tmp, &args, arena);
4982                         if (res != 0) goto failed;
4983                         Py_XDECREF(tmp);
4984                         tmp = NULL;
4985                 } else {
4986                         PyErr_SetString(PyExc_TypeError, "required field \"args\" missing from Lambda");
4987                         return 1;
4988                 }
4989                 if (PyObject_HasAttrString(obj, "body")) {
4990                         int res;
4991                         tmp = PyObject_GetAttrString(obj, "body");
4992                         if (tmp == NULL) goto failed;
4993                         res = obj2ast_expr(tmp, &body, arena);
4994                         if (res != 0) goto failed;
4995                         Py_XDECREF(tmp);
4996                         tmp = NULL;
4997                 } else {
4998                         PyErr_SetString(PyExc_TypeError, "required field \"body\" missing from Lambda");
4999                         return 1;
5000                 }
5001                 *out = Lambda(args, body, lineno, col_offset, arena);
5002                 if (*out == NULL) goto failed;
5003                 return 0;
5004         }
5005         isinstance = PyObject_IsInstance(obj, (PyObject*)IfExp_type);
5006         if (isinstance == -1) {
5007                 return 1;
5008         }
5009         if (isinstance) {
5010                 expr_ty test;
5011                 expr_ty body;
5012                 expr_ty orelse;
5013 
5014                 if (PyObject_HasAttrString(obj, "test")) {
5015                         int res;
5016                         tmp = PyObject_GetAttrString(obj, "test");
5017                         if (tmp == NULL) goto failed;
5018                         res = obj2ast_expr(tmp, &test, arena);
5019                         if (res != 0) goto failed;
5020                         Py_XDECREF(tmp);
5021                         tmp = NULL;
5022                 } else {
5023                         PyErr_SetString(PyExc_TypeError, "required field \"test\" missing from IfExp");
5024                         return 1;
5025                 }
5026                 if (PyObject_HasAttrString(obj, "body")) {
5027                         int res;
5028                         tmp = PyObject_GetAttrString(obj, "body");
5029                         if (tmp == NULL) goto failed;
5030                         res = obj2ast_expr(tmp, &body, arena);
5031                         if (res != 0) goto failed;
5032                         Py_XDECREF(tmp);
5033                         tmp = NULL;
5034                 } else {
5035                         PyErr_SetString(PyExc_TypeError, "required field \"body\" missing from IfExp");
5036                         return 1;
5037                 }
5038                 if (PyObject_HasAttrString(obj, "orelse")) {
5039                         int res;
5040                         tmp = PyObject_GetAttrString(obj, "orelse");
5041                         if (tmp == NULL) goto failed;
5042                         res = obj2ast_expr(tmp, &orelse, arena);
5043                         if (res != 0) goto failed;
5044                         Py_XDECREF(tmp);
5045                         tmp = NULL;
5046                 } else {
5047                         PyErr_SetString(PyExc_TypeError, "required field \"orelse\" missing from IfExp");
5048                         return 1;
5049                 }
5050                 *out = IfExp(test, body, orelse, lineno, col_offset, arena);
5051                 if (*out == NULL) goto failed;
5052                 return 0;
5053         }
5054         isinstance = PyObject_IsInstance(obj, (PyObject*)Dict_type);
5055         if (isinstance == -1) {
5056                 return 1;
5057         }
5058         if (isinstance) {
5059                 asdl_seq* keys;
5060                 asdl_seq* values;
5061 
5062                 if (PyObject_HasAttrString(obj, "keys")) {
5063                         int res;
5064                         Py_ssize_t len;
5065                         Py_ssize_t i;
5066                         tmp = PyObject_GetAttrString(obj, "keys");
5067                         if (tmp == NULL) goto failed;
5068                         if (!PyList_Check(tmp)) {
5069                                 PyErr_Format(PyExc_TypeError, "Dict field \"keys\" must be a list, not a %.200s", tmp->ob_type->tp_name);
5070                                 goto failed;
5071                         }
5072                         len = PyList_GET_SIZE(tmp);
5073                         keys = asdl_seq_new(len, arena);
5074                         if (keys == NULL) goto failed;
5075                         for (i = 0; i < len; i++) {
5076                                 expr_ty value;
5077                                 res = obj2ast_expr(PyList_GET_ITEM(tmp, i), &value, arena);
5078                                 if (res != 0) goto failed;
5079                                 if (len != PyList_GET_SIZE(tmp)) {
5080                                         PyErr_SetString(PyExc_RuntimeError, "Dict field \"keys\" changed size during iteration");
5081                                         goto failed;
5082                                 }
5083                                 asdl_seq_SET(keys, i, value);
5084                         }
5085                         Py_XDECREF(tmp);
5086                         tmp = NULL;
5087                 } else {
5088                         PyErr_SetString(PyExc_TypeError, "required field \"keys\" missing from Dict");
5089                         return 1;
5090                 }
5091                 if (PyObject_HasAttrString(obj, "values")) {
5092                         int res;
5093                         Py_ssize_t len;
5094                         Py_ssize_t i;
5095                         tmp = PyObject_GetAttrString(obj, "values");
5096                         if (tmp == NULL) goto failed;
5097                         if (!PyList_Check(tmp)) {
5098                                 PyErr_Format(PyExc_TypeError, "Dict field \"values\" must be a list, not a %.200s", tmp->ob_type->tp_name);
5099                                 goto failed;
5100                         }
5101                         len = PyList_GET_SIZE(tmp);
5102                         values = asdl_seq_new(len, arena);
5103                         if (values == NULL) goto failed;
5104                         for (i = 0; i < len; i++) {
5105                                 expr_ty value;
5106                                 res = obj2ast_expr(PyList_GET_ITEM(tmp, i), &value, arena);
5107                                 if (res != 0) goto failed;
5108                                 if (len != PyList_GET_SIZE(tmp)) {
5109                                         PyErr_SetString(PyExc_RuntimeError, "Dict field \"values\" changed size during iteration");
5110                                         goto failed;
5111                                 }
5112                                 asdl_seq_SET(values, i, value);
5113                         }
5114                         Py_XDECREF(tmp);
5115                         tmp = NULL;
5116                 } else {
5117                         PyErr_SetString(PyExc_TypeError, "required field \"values\" missing from Dict");
5118                         return 1;
5119                 }
5120                 *out = Dict(keys, values, lineno, col_offset, arena);
5121                 if (*out == NULL) goto failed;
5122                 return 0;
5123         }
5124         isinstance = PyObject_IsInstance(obj, (PyObject*)Set_type);
5125         if (isinstance == -1) {
5126                 return 1;
5127         }
5128         if (isinstance) {
5129                 asdl_seq* elts;
5130 
5131                 if (PyObject_HasAttrString(obj, "elts")) {
5132                         int res;
5133                         Py_ssize_t len;
5134                         Py_ssize_t i;
5135                         tmp = PyObject_GetAttrString(obj, "elts");
5136                         if (tmp == NULL) goto failed;
5137                         if (!PyList_Check(tmp)) {
5138                                 PyErr_Format(PyExc_TypeError, "Set field \"elts\" must be a list, not a %.200s", tmp->ob_type->tp_name);
5139                                 goto failed;
5140                         }
5141                         len = PyList_GET_SIZE(tmp);
5142                         elts = asdl_seq_new(len, arena);
5143                         if (elts == NULL) goto failed;
5144                         for (i = 0; i < len; i++) {
5145                                 expr_ty value;
5146                                 res = obj2ast_expr(PyList_GET_ITEM(tmp, i), &value, arena);
5147                                 if (res != 0) goto failed;
5148                                 if (len != PyList_GET_SIZE(tmp)) {
5149                                         PyErr_SetString(PyExc_RuntimeError, "Set field \"elts\" changed size during iteration");
5150                                         goto failed;
5151                                 }
5152                                 asdl_seq_SET(elts, i, value);
5153                         }
5154                         Py_XDECREF(tmp);
5155                         tmp = NULL;
5156                 } else {
5157                         PyErr_SetString(PyExc_TypeError, "required field \"elts\" missing from Set");
5158                         return 1;
5159                 }
5160                 *out = Set(elts, lineno, col_offset, arena);
5161                 if (*out == NULL) goto failed;
5162                 return 0;
5163         }
5164         isinstance = PyObject_IsInstance(obj, (PyObject*)ListComp_type);
5165         if (isinstance == -1) {
5166                 return 1;
5167         }
5168         if (isinstance) {
5169                 expr_ty elt;
5170                 asdl_seq* generators;
5171 
5172                 if (PyObject_HasAttrString(obj, "elt")) {
5173                         int res;
5174                         tmp = PyObject_GetAttrString(obj, "elt");
5175                         if (tmp == NULL) goto failed;
5176                         res = obj2ast_expr(tmp, &elt, arena);
5177                         if (res != 0) goto failed;
5178                         Py_XDECREF(tmp);
5179                         tmp = NULL;
5180                 } else {
5181                         PyErr_SetString(PyExc_TypeError, "required field \"elt\" missing from ListComp");
5182                         return 1;
5183                 }
5184                 if (PyObject_HasAttrString(obj, "generators")) {
5185                         int res;
5186                         Py_ssize_t len;
5187                         Py_ssize_t i;
5188                         tmp = PyObject_GetAttrString(obj, "generators");
5189                         if (tmp == NULL) goto failed;
5190                         if (!PyList_Check(tmp)) {
5191                                 PyErr_Format(PyExc_TypeError, "ListComp field \"generators\" must be a list, not a %.200s", tmp->ob_type->tp_name);
5192                                 goto failed;
5193                         }
5194                         len = PyList_GET_SIZE(tmp);
5195                         generators = asdl_seq_new(len, arena);
5196                         if (generators == NULL) goto failed;
5197                         for (i = 0; i < len; i++) {
5198                                 comprehension_ty value;
5199                                 res = obj2ast_comprehension(PyList_GET_ITEM(tmp, i), &value, arena);
5200                                 if (res != 0) goto failed;
5201                                 if (len != PyList_GET_SIZE(tmp)) {
5202                                         PyErr_SetString(PyExc_RuntimeError, "ListComp field \"generators\" changed size during iteration");
5203                                         goto failed;
5204                                 }
5205                                 asdl_seq_SET(generators, i, value);
5206                         }
5207                         Py_XDECREF(tmp);
5208                         tmp = NULL;
5209                 } else {
5210                         PyErr_SetString(PyExc_TypeError, "required field \"generators\" missing from ListComp");
5211                         return 1;
5212                 }
5213                 *out = ListComp(elt, generators, lineno, col_offset, arena);
5214                 if (*out == NULL) goto failed;
5215                 return 0;
5216         }
5217         isinstance = PyObject_IsInstance(obj, (PyObject*)SetComp_type);
5218         if (isinstance == -1) {
5219                 return 1;
5220         }
5221         if (isinstance) {
5222                 expr_ty elt;
5223                 asdl_seq* generators;
5224 
5225                 if (PyObject_HasAttrString(obj, "elt")) {
5226                         int res;
5227                         tmp = PyObject_GetAttrString(obj, "elt");
5228                         if (tmp == NULL) goto failed;
5229                         res = obj2ast_expr(tmp, &elt, arena);
5230                         if (res != 0) goto failed;
5231                         Py_XDECREF(tmp);
5232                         tmp = NULL;
5233                 } else {
5234                         PyErr_SetString(PyExc_TypeError, "required field \"elt\" missing from SetComp");
5235                         return 1;
5236                 }
5237                 if (PyObject_HasAttrString(obj, "generators")) {
5238                         int res;
5239                         Py_ssize_t len;
5240                         Py_ssize_t i;
5241                         tmp = PyObject_GetAttrString(obj, "generators");
5242                         if (tmp == NULL) goto failed;
5243                         if (!PyList_Check(tmp)) {
5244                                 PyErr_Format(PyExc_TypeError, "SetComp field \"generators\" must be a list, not a %.200s", tmp->ob_type->tp_name);
5245                                 goto failed;
5246                         }
5247                         len = PyList_GET_SIZE(tmp);
5248                         generators = asdl_seq_new(len, arena);
5249                         if (generators == NULL) goto failed;
5250                         for (i = 0; i < len; i++) {
5251                                 comprehension_ty value;
5252                                 res = obj2ast_comprehension(PyList_GET_ITEM(tmp, i), &value, arena);
5253                                 if (res != 0) goto failed;
5254                                 if (len != PyList_GET_SIZE(tmp)) {
5255                                         PyErr_SetString(PyExc_RuntimeError, "SetComp field \"generators\" changed size during iteration");
5256                                         goto failed;
5257                                 }
5258                                 asdl_seq_SET(generators, i, value);
5259                         }
5260                         Py_XDECREF(tmp);
5261                         tmp = NULL;
5262                 } else {
5263                         PyErr_SetString(PyExc_TypeError, "required field \"generators\" missing from SetComp");
5264                         return 1;
5265                 }
5266                 *out = SetComp(elt, generators, lineno, col_offset, arena);
5267                 if (*out == NULL) goto failed;
5268                 return 0;
5269         }
5270         isinstance = PyObject_IsInstance(obj, (PyObject*)DictComp_type);
5271         if (isinstance == -1) {
5272                 return 1;
5273         }
5274         if (isinstance) {
5275                 expr_ty key;
5276                 expr_ty value;
5277                 asdl_seq* generators;
5278 
5279                 if (PyObject_HasAttrString(obj, "key")) {
5280                         int res;
5281                         tmp = PyObject_GetAttrString(obj, "key");
5282                         if (tmp == NULL) goto failed;
5283                         res = obj2ast_expr(tmp, &key, arena);
5284                         if (res != 0) goto failed;
5285                         Py_XDECREF(tmp);
5286                         tmp = NULL;
5287                 } else {
5288                         PyErr_SetString(PyExc_TypeError, "required field \"key\" missing from DictComp");
5289                         return 1;
5290                 }
5291                 if (PyObject_HasAttrString(obj, "value")) {
5292                         int res;
5293                         tmp = PyObject_GetAttrString(obj, "value");
5294                         if (tmp == NULL) goto failed;
5295                         res = obj2ast_expr(tmp, &value, arena);
5296                         if (res != 0) goto failed;
5297                         Py_XDECREF(tmp);
5298                         tmp = NULL;
5299                 } else {
5300                         PyErr_SetString(PyExc_TypeError, "required field \"value\" missing from DictComp");
5301                         return 1;
5302                 }
5303                 if (PyObject_HasAttrString(obj, "generators")) {
5304                         int res;
5305                         Py_ssize_t len;
5306                         Py_ssize_t i;
5307                         tmp = PyObject_GetAttrString(obj, "generators");
5308                         if (tmp == NULL) goto failed;
5309                         if (!PyList_Check(tmp)) {
5310                                 PyErr_Format(PyExc_TypeError, "DictComp field \"generators\" must be a list, not a %.200s", tmp->ob_type->tp_name);
5311                                 goto failed;
5312                         }
5313                         len = PyList_GET_SIZE(tmp);
5314                         generators = asdl_seq_new(len, arena);
5315                         if (generators == NULL) goto failed;
5316                         for (i = 0; i < len; i++) {
5317                                 comprehension_ty value;
5318                                 res = obj2ast_comprehension(PyList_GET_ITEM(tmp, i), &value, arena);
5319                                 if (res != 0) goto failed;
5320                                 if (len != PyList_GET_SIZE(tmp)) {
5321                                         PyErr_SetString(PyExc_RuntimeError, "DictComp field \"generators\" changed size during iteration");
5322                                         goto failed;
5323                                 }
5324                                 asdl_seq_SET(generators, i, value);
5325                         }
5326                         Py_XDECREF(tmp);
5327                         tmp = NULL;
5328                 } else {
5329                         PyErr_SetString(PyExc_TypeError, "required field \"generators\" missing from DictComp");
5330                         return 1;
5331                 }
5332                 *out = DictComp(key, value, generators, lineno, col_offset,
5333                                 arena);
5334                 if (*out == NULL) goto failed;
5335                 return 0;
5336         }
5337         isinstance = PyObject_IsInstance(obj, (PyObject*)GeneratorExp_type);
5338         if (isinstance == -1) {
5339                 return 1;
5340         }
5341         if (isinstance) {
5342                 expr_ty elt;
5343                 asdl_seq* generators;
5344 
5345                 if (PyObject_HasAttrString(obj, "elt")) {
5346                         int res;
5347                         tmp = PyObject_GetAttrString(obj, "elt");
5348                         if (tmp == NULL) goto failed;
5349                         res = obj2ast_expr(tmp, &elt, arena);
5350                         if (res != 0) goto failed;
5351                         Py_XDECREF(tmp);
5352                         tmp = NULL;
5353                 } else {
5354                         PyErr_SetString(PyExc_TypeError, "required field \"elt\" missing from GeneratorExp");
5355                         return 1;
5356                 }
5357                 if (PyObject_HasAttrString(obj, "generators")) {
5358                         int res;
5359                         Py_ssize_t len;
5360                         Py_ssize_t i;
5361                         tmp = PyObject_GetAttrString(obj, "generators");
5362                         if (tmp == NULL) goto failed;
5363                         if (!PyList_Check(tmp)) {
5364                                 PyErr_Format(PyExc_TypeError, "GeneratorExp field \"generators\" must be a list, not a %.200s", tmp->ob_type->tp_name);
5365                                 goto failed;
5366                         }
5367                         len = PyList_GET_SIZE(tmp);
5368                         generators = asdl_seq_new(len, arena);
5369                         if (generators == NULL) goto failed;
5370                         for (i = 0; i < len; i++) {
5371                                 comprehension_ty value;
5372                                 res = obj2ast_comprehension(PyList_GET_ITEM(tmp, i), &value, arena);
5373                                 if (res != 0) goto failed;
5374                                 if (len != PyList_GET_SIZE(tmp)) {
5375                                         PyErr_SetString(PyExc_RuntimeError, "GeneratorExp field \"generators\" changed size during iteration");
5376                                         goto failed;
5377                                 }
5378                                 asdl_seq_SET(generators, i, value);
5379                         }
5380                         Py_XDECREF(tmp);
5381                         tmp = NULL;
5382                 } else {
5383                         PyErr_SetString(PyExc_TypeError, "required field \"generators\" missing from GeneratorExp");
5384                         return 1;
5385                 }
5386                 *out = GeneratorExp(elt, generators, lineno, col_offset, arena);
5387                 if (*out == NULL) goto failed;
5388                 return 0;
5389         }
5390         isinstance = PyObject_IsInstance(obj, (PyObject*)Yield_type);
5391         if (isinstance == -1) {
5392                 return 1;
5393         }
5394         if (isinstance) {
5395                 expr_ty value;
5396 
5397                 if (PyObject_HasAttrString(obj, "value")) {
5398                         int res;
5399                         tmp = PyObject_GetAttrString(obj, "value");
5400                         if (tmp == NULL) goto failed;
5401                         res = obj2ast_expr(tmp, &value, arena);
5402                         if (res != 0) goto failed;
5403                         Py_XDECREF(tmp);
5404                         tmp = NULL;
5405                 } else {
5406                         value = NULL;
5407                 }
5408                 *out = Yield(value, lineno, col_offset, arena);
5409                 if (*out == NULL) goto failed;
5410                 return 0;
5411         }
5412         isinstance = PyObject_IsInstance(obj, (PyObject*)Compare_type);
5413         if (isinstance == -1) {
5414                 return 1;
5415         }
5416         if (isinstance) {
5417                 expr_ty left;
5418                 asdl_int_seq* ops;
5419                 asdl_seq* comparators;
5420 
5421                 if (PyObject_HasAttrString(obj, "left")) {
5422                         int res;
5423                         tmp = PyObject_GetAttrString(obj, "left");
5424                         if (tmp == NULL) goto failed;
5425                         res = obj2ast_expr(tmp, &left, arena);
5426                         if (res != 0) goto failed;
5427                         Py_XDECREF(tmp);
5428                         tmp = NULL;
5429                 } else {
5430                         PyErr_SetString(PyExc_TypeError, "required field \"left\" missing from Compare");
5431                         return 1;
5432                 }
5433                 if (PyObject_HasAttrString(obj, "ops")) {
5434                         int res;
5435                         Py_ssize_t len;
5436                         Py_ssize_t i;
5437                         tmp = PyObject_GetAttrString(obj, "ops");
5438                         if (tmp == NULL) goto failed;
5439                         if (!PyList_Check(tmp)) {
5440                                 PyErr_Format(PyExc_TypeError, "Compare field \"ops\" must be a list, not a %.200s", tmp->ob_type->tp_name);
5441                                 goto failed;
5442                         }
5443                         len = PyList_GET_SIZE(tmp);
5444                         ops = asdl_int_seq_new(len, arena);
5445                         if (ops == NULL) goto failed;
5446                         for (i = 0; i < len; i++) {
5447                                 cmpop_ty value;
5448                                 res = obj2ast_cmpop(PyList_GET_ITEM(tmp, i), &value, arena);
5449                                 if (res != 0) goto failed;
5450                                 if (len != PyList_GET_SIZE(tmp)) {
5451                                         PyErr_SetString(PyExc_RuntimeError, "Compare field \"ops\" changed size during iteration");
5452                                         goto failed;
5453                                 }
5454                                 asdl_seq_SET(ops, i, value);
5455                         }
5456                         Py_XDECREF(tmp);
5457                         tmp = NULL;
5458                 } else {
5459                         PyErr_SetString(PyExc_TypeError, "required field \"ops\" missing from Compare");
5460                         return 1;
5461                 }
5462                 if (PyObject_HasAttrString(obj, "comparators")) {
5463                         int res;
5464                         Py_ssize_t len;
5465                         Py_ssize_t i;
5466                         tmp = PyObject_GetAttrString(obj, "comparators");
5467                         if (tmp == NULL) goto failed;
5468                         if (!PyList_Check(tmp)) {
5469                                 PyErr_Format(PyExc_TypeError, "Compare field \"comparators\" must be a list, not a %.200s", tmp->ob_type->tp_name);
5470                                 goto failed;
5471                         }
5472                         len = PyList_GET_SIZE(tmp);
5473                         comparators = asdl_seq_new(len, arena);
5474                         if (comparators == NULL) goto failed;
5475                         for (i = 0; i < len; i++) {
5476                                 expr_ty value;
5477                                 res = obj2ast_expr(PyList_GET_ITEM(tmp, i), &value, arena);
5478                                 if (res != 0) goto failed;
5479                                 if (len != PyList_GET_SIZE(tmp)) {
5480                                         PyErr_SetString(PyExc_RuntimeError, "Compare field \"comparators\" changed size during iteration");
5481                                         goto failed;
5482                                 }
5483                                 asdl_seq_SET(comparators, i, value);
5484                         }
5485                         Py_XDECREF(tmp);
5486                         tmp = NULL;
5487                 } else {
5488                         PyErr_SetString(PyExc_TypeError, "required field \"comparators\" missing from Compare");
5489                         return 1;
5490                 }
5491                 *out = Compare(left, ops, comparators, lineno, col_offset,
5492                                arena);
5493                 if (*out == NULL) goto failed;
5494                 return 0;
5495         }
5496         isinstance = PyObject_IsInstance(obj, (PyObject*)Call_type);
5497         if (isinstance == -1) {
5498                 return 1;
5499         }
5500         if (isinstance) {
5501                 expr_ty func;
5502                 asdl_seq* args;
5503                 asdl_seq* keywords;
5504                 expr_ty starargs;
5505                 expr_ty kwargs;
5506 
5507                 if (PyObject_HasAttrString(obj, "func")) {
5508                         int res;
5509                         tmp = PyObject_GetAttrString(obj, "func");
5510                         if (tmp == NULL) goto failed;
5511                         res = obj2ast_expr(tmp, &func, arena);
5512                         if (res != 0) goto failed;
5513                         Py_XDECREF(tmp);
5514                         tmp = NULL;
5515                 } else {
5516                         PyErr_SetString(PyExc_TypeError, "required field \"func\" missing from Call");
5517                         return 1;
5518                 }
5519                 if (PyObject_HasAttrString(obj, "args")) {
5520                         int res;
5521                         Py_ssize_t len;
5522                         Py_ssize_t i;
5523                         tmp = PyObject_GetAttrString(obj, "args");
5524                         if (tmp == NULL) goto failed;
5525                         if (!PyList_Check(tmp)) {
5526                                 PyErr_Format(PyExc_TypeError, "Call field \"args\" must be a list, not a %.200s", tmp->ob_type->tp_name);
5527                                 goto failed;
5528                         }
5529                         len = PyList_GET_SIZE(tmp);
5530                         args = asdl_seq_new(len, arena);
5531                         if (args == NULL) goto failed;
5532                         for (i = 0; i < len; i++) {
5533                                 expr_ty value;
5534                                 res = obj2ast_expr(PyList_GET_ITEM(tmp, i), &value, arena);
5535                                 if (res != 0) goto failed;
5536                                 if (len != PyList_GET_SIZE(tmp)) {
5537                                         PyErr_SetString(PyExc_RuntimeError, "Call field \"args\" changed size during iteration");
5538                                         goto failed;
5539                                 }
5540                                 asdl_seq_SET(args, i, value);
5541                         }
5542                         Py_XDECREF(tmp);
5543                         tmp = NULL;
5544                 } else {
5545                         PyErr_SetString(PyExc_TypeError, "required field \"args\" missing from Call");
5546                         return 1;
5547                 }
5548                 if (PyObject_HasAttrString(obj, "keywords")) {
5549                         int res;
5550                         Py_ssize_t len;
5551                         Py_ssize_t i;
5552                         tmp = PyObject_GetAttrString(obj, "keywords");
5553                         if (tmp == NULL) goto failed;
5554                         if (!PyList_Check(tmp)) {
5555                                 PyErr_Format(PyExc_TypeError, "Call field \"keywords\" must be a list, not a %.200s", tmp->ob_type->tp_name);
5556                                 goto failed;
5557                         }
5558                         len = PyList_GET_SIZE(tmp);
5559                         keywords = asdl_seq_new(len, arena);
5560                         if (keywords == NULL) goto failed;
5561                         for (i = 0; i < len; i++) {
5562                                 keyword_ty value;
5563                                 res = obj2ast_keyword(PyList_GET_ITEM(tmp, i), &value, arena);
5564                                 if (res != 0) goto failed;
5565                                 if (len != PyList_GET_SIZE(tmp)) {
5566                                         PyErr_SetString(PyExc_RuntimeError, "Call field \"keywords\" changed size during iteration");
5567                                         goto failed;
5568                                 }
5569                                 asdl_seq_SET(keywords, i, value);
5570                         }
5571                         Py_XDECREF(tmp);
5572                         tmp = NULL;
5573                 } else {
5574                         PyErr_SetString(PyExc_TypeError, "required field \"keywords\" missing from Call");
5575                         return 1;
5576                 }
5577                 if (PyObject_HasAttrString(obj, "starargs")) {
5578                         int res;
5579                         tmp = PyObject_GetAttrString(obj, "starargs");
5580                         if (tmp == NULL) goto failed;
5581                         res = obj2ast_expr(tmp, &starargs, arena);
5582                         if (res != 0) goto failed;
5583                         Py_XDECREF(tmp);
5584                         tmp = NULL;
5585                 } else {
5586                         starargs = NULL;
5587                 }
5588                 if (PyObject_HasAttrString(obj, "kwargs")) {
5589                         int res;
5590                         tmp = PyObject_GetAttrString(obj, "kwargs");
5591                         if (tmp == NULL) goto failed;
5592                         res = obj2ast_expr(tmp, &kwargs, arena);
5593                         if (res != 0) goto failed;
5594                         Py_XDECREF(tmp);
5595                         tmp = NULL;
5596                 } else {
5597                         kwargs = NULL;
5598                 }
5599                 *out = Call(func, args, keywords, starargs, kwargs, lineno,
5600                             col_offset, arena);
5601                 if (*out == NULL) goto failed;
5602                 return 0;
5603         }
5604         isinstance = PyObject_IsInstance(obj, (PyObject*)Repr_type);
5605         if (isinstance == -1) {
5606                 return 1;
5607         }
5608         if (isinstance) {
5609                 expr_ty value;
5610 
5611                 if (PyObject_HasAttrString(obj, "value")) {
5612                         int res;
5613                         tmp = PyObject_GetAttrString(obj, "value");
5614                         if (tmp == NULL) goto failed;
5615                         res = obj2ast_expr(tmp, &value, arena);
5616                         if (res != 0) goto failed;
5617                         Py_XDECREF(tmp);
5618                         tmp = NULL;
5619                 } else {
5620                         PyErr_SetString(PyExc_TypeError, "required field \"value\" missing from Repr");
5621                         return 1;
5622                 }
5623                 *out = Repr(value, lineno, col_offset, arena);
5624                 if (*out == NULL) goto failed;
5625                 return 0;
5626         }
5627         isinstance = PyObject_IsInstance(obj, (PyObject*)Num_type);
5628         if (isinstance == -1) {
5629                 return 1;
5630         }
5631         if (isinstance) {
5632                 object n;
5633 
5634                 if (PyObject_HasAttrString(obj, "n")) {
5635                         int res;
5636                         tmp = PyObject_GetAttrString(obj, "n");
5637                         if (tmp == NULL) goto failed;
5638                         res = obj2ast_object(tmp, &n, arena);
5639                         if (res != 0) goto failed;
5640                         Py_XDECREF(tmp);
5641                         tmp = NULL;
5642                 } else {
5643                         PyErr_SetString(PyExc_TypeError, "required field \"n\" missing from Num");
5644                         return 1;
5645                 }
5646                 *out = Num(n, lineno, col_offset, arena);
5647                 if (*out == NULL) goto failed;
5648                 return 0;
5649         }
5650         isinstance = PyObject_IsInstance(obj, (PyObject*)Str_type);
5651         if (isinstance == -1) {
5652                 return 1;
5653         }
5654         if (isinstance) {
5655                 string s;
5656 
5657                 if (PyObject_HasAttrString(obj, "s")) {
5658                         int res;
5659                         tmp = PyObject_GetAttrString(obj, "s");
5660                         if (tmp == NULL) goto failed;
5661                         res = obj2ast_string(tmp, &s, arena);
5662                         if (res != 0) goto failed;
5663                         Py_XDECREF(tmp);
5664                         tmp = NULL;
5665                 } else {
5666                         PyErr_SetString(PyExc_TypeError, "required field \"s\" missing from Str");
5667                         return 1;
5668                 }
5669                 *out = Str(s, lineno, col_offset, arena);
5670                 if (*out == NULL) goto failed;
5671                 return 0;
5672         }
5673         isinstance = PyObject_IsInstance(obj, (PyObject*)Attribute_type);
5674         if (isinstance == -1) {
5675                 return 1;
5676         }
5677         if (isinstance) {
5678                 expr_ty value;
5679                 identifier attr;
5680                 expr_context_ty ctx;
5681 
5682                 if (PyObject_HasAttrString(obj, "value")) {
5683                         int res;
5684                         tmp = PyObject_GetAttrString(obj, "value");
5685                         if (tmp == NULL) goto failed;
5686                         res = obj2ast_expr(tmp, &value, arena);
5687                         if (res != 0) goto failed;
5688                         Py_XDECREF(tmp);
5689                         tmp = NULL;
5690                 } else {
5691                         PyErr_SetString(PyExc_TypeError, "required field \"value\" missing from Attribute");
5692                         return 1;
5693                 }
5694                 if (PyObject_HasAttrString(obj, "attr")) {
5695                         int res;
5696                         tmp = PyObject_GetAttrString(obj, "attr");
5697                         if (tmp == NULL) goto failed;
5698                         res = obj2ast_identifier(tmp, &attr, arena);
5699                         if (res != 0) goto failed;
5700                         Py_XDECREF(tmp);
5701                         tmp = NULL;
5702                 } else {
5703                         PyErr_SetString(PyExc_TypeError, "required field \"attr\" missing from Attribute");
5704                         return 1;
5705                 }
5706                 if (PyObject_HasAttrString(obj, "ctx")) {
5707                         int res;
5708                         tmp = PyObject_GetAttrString(obj, "ctx");
5709                         if (tmp == NULL) goto failed;
5710                         res = obj2ast_expr_context(tmp, &ctx, arena);
5711                         if (res != 0) goto failed;
5712                         Py_XDECREF(tmp);
5713                         tmp = NULL;
5714                 } else {
5715                         PyErr_SetString(PyExc_TypeError, "required field \"ctx\" missing from Attribute");
5716                         return 1;
5717                 }
5718                 *out = Attribute(value, attr, ctx, lineno, col_offset, arena);
5719                 if (*out == NULL) goto failed;
5720                 return 0;
5721         }
5722         isinstance = PyObject_IsInstance(obj, (PyObject*)Subscript_type);
5723         if (isinstance == -1) {
5724                 return 1;
5725         }
5726         if (isinstance) {
5727                 expr_ty value;
5728                 slice_ty slice;
5729                 expr_context_ty ctx;
5730 
5731                 if (PyObject_HasAttrString(obj, "value")) {
5732                         int res;
5733                         tmp = PyObject_GetAttrString(obj, "value");
5734                         if (tmp == NULL) goto failed;
5735                         res = obj2ast_expr(tmp, &value, arena);
5736                         if (res != 0) goto failed;
5737                         Py_XDECREF(tmp);
5738                         tmp = NULL;
5739                 } else {
5740                         PyErr_SetString(PyExc_TypeError, "required field \"value\" missing from Subscript");
5741                         return 1;
5742                 }
5743                 if (PyObject_HasAttrString(obj, "slice")) {
5744                         int res;
5745                         tmp = PyObject_GetAttrString(obj, "slice");
5746                         if (tmp == NULL) goto failed;
5747                         res = obj2ast_slice(tmp, &slice, arena);
5748                         if (res != 0) goto failed;
5749                         Py_XDECREF(tmp);
5750                         tmp = NULL;
5751                 } else {
5752                         PyErr_SetString(PyExc_TypeError, "required field \"slice\" missing from Subscript");
5753                         return 1;
5754                 }
5755                 if (PyObject_HasAttrString(obj, "ctx")) {
5756                         int res;
5757                         tmp = PyObject_GetAttrString(obj, "ctx");
5758                         if (tmp == NULL) goto failed;
5759                         res = obj2ast_expr_context(tmp, &ctx, arena);
5760                         if (res != 0) goto failed;
5761                         Py_XDECREF(tmp);
5762                         tmp = NULL;
5763                 } else {
5764                         PyErr_SetString(PyExc_TypeError, "required field \"ctx\" missing from Subscript");
5765                         return 1;
5766                 }
5767                 *out = Subscript(value, slice, ctx, lineno, col_offset, arena);
5768                 if (*out == NULL) goto failed;
5769                 return 0;
5770         }
5771         isinstance = PyObject_IsInstance(obj, (PyObject*)Name_type);
5772         if (isinstance == -1) {
5773                 return 1;
5774         }
5775         if (isinstance) {
5776                 identifier id;
5777                 expr_context_ty ctx;
5778 
5779                 if (PyObject_HasAttrString(obj, "id")) {
5780                         int res;
5781                         tmp = PyObject_GetAttrString(obj, "id");
5782                         if (tmp == NULL) goto failed;
5783                         res = obj2ast_identifier(tmp, &id, arena);
5784                         if (res != 0) goto failed;
5785                         Py_XDECREF(tmp);
5786                         tmp = NULL;
5787                 } else {
5788                         PyErr_SetString(PyExc_TypeError, "required field \"id\" missing from Name");
5789                         return 1;
5790                 }
5791                 if (PyObject_HasAttrString(obj, "ctx")) {
5792                         int res;
5793                         tmp = PyObject_GetAttrString(obj, "ctx");
5794                         if (tmp == NULL) goto failed;
5795                         res = obj2ast_expr_context(tmp, &ctx, arena);
5796                         if (res != 0) goto failed;
5797                         Py_XDECREF(tmp);
5798                         tmp = NULL;
5799                 } else {
5800                         PyErr_SetString(PyExc_TypeError, "required field \"ctx\" missing from Name");
5801                         return 1;
5802                 }
5803                 *out = Name(id, ctx, lineno, col_offset, arena);
5804                 if (*out == NULL) goto failed;
5805                 return 0;
5806         }
5807         isinstance = PyObject_IsInstance(obj, (PyObject*)List_type);
5808         if (isinstance == -1) {
5809                 return 1;
5810         }
5811         if (isinstance) {
5812                 asdl_seq* elts;
5813                 expr_context_ty ctx;
5814 
5815                 if (PyObject_HasAttrString(obj, "elts")) {
5816                         int res;
5817                         Py_ssize_t len;
5818                         Py_ssize_t i;
5819                         tmp = PyObject_GetAttrString(obj, "elts");
5820                         if (tmp == NULL) goto failed;
5821                         if (!PyList_Check(tmp)) {
5822                                 PyErr_Format(PyExc_TypeError, "List field \"elts\" must be a list, not a %.200s", tmp->ob_type->tp_name);
5823                                 goto failed;
5824                         }
5825                         len = PyList_GET_SIZE(tmp);
5826                         elts = asdl_seq_new(len, arena);
5827                         if (elts == NULL) goto failed;
5828                         for (i = 0; i < len; i++) {
5829                                 expr_ty value;
5830                                 res = obj2ast_expr(PyList_GET_ITEM(tmp, i), &value, arena);
5831                                 if (res != 0) goto failed;
5832                                 if (len != PyList_GET_SIZE(tmp)) {
5833                                         PyErr_SetString(PyExc_RuntimeError, "List field \"elts\" changed size during iteration");
5834                                         goto failed;
5835                                 }
5836                                 asdl_seq_SET(elts, i, value);
5837                         }
5838                         Py_XDECREF(tmp);
5839                         tmp = NULL;
5840                 } else {
5841                         PyErr_SetString(PyExc_TypeError, "required field \"elts\" missing from List");
5842                         return 1;
5843                 }
5844                 if (PyObject_HasAttrString(obj, "ctx")) {
5845                         int res;
5846                         tmp = PyObject_GetAttrString(obj, "ctx");
5847                         if (tmp == NULL) goto failed;
5848                         res = obj2ast_expr_context(tmp, &ctx, arena);
5849                         if (res != 0) goto failed;
5850                         Py_XDECREF(tmp);
5851                         tmp = NULL;
5852                 } else {
5853                         PyErr_SetString(PyExc_TypeError, "required field \"ctx\" missing from List");
5854                         return 1;
5855                 }
5856                 *out = List(elts, ctx, lineno, col_offset, arena);
5857                 if (*out == NULL) goto failed;
5858                 return 0;
5859         }
5860         isinstance = PyObject_IsInstance(obj, (PyObject*)Tuple_type);
5861         if (isinstance == -1) {
5862                 return 1;
5863         }
5864         if (isinstance) {
5865                 asdl_seq* elts;
5866                 expr_context_ty ctx;
5867 
5868                 if (PyObject_HasAttrString(obj, "elts")) {
5869                         int res;
5870                         Py_ssize_t len;
5871                         Py_ssize_t i;
5872                         tmp = PyObject_GetAttrString(obj, "elts");
5873                         if (tmp == NULL) goto failed;
5874                         if (!PyList_Check(tmp)) {
5875                                 PyErr_Format(PyExc_TypeError, "Tuple field \"elts\" must be a list, not a %.200s", tmp->ob_type->tp_name);
5876                                 goto failed;
5877                         }
5878                         len = PyList_GET_SIZE(tmp);
5879                         elts = asdl_seq_new(len, arena);
5880                         if (elts == NULL) goto failed;
5881                         for (i = 0; i < len; i++) {
5882                                 expr_ty value;
5883                                 res = obj2ast_expr(PyList_GET_ITEM(tmp, i), &value, arena);
5884                                 if (res != 0) goto failed;
5885                                 if (len != PyList_GET_SIZE(tmp)) {
5886                                         PyErr_SetString(PyExc_RuntimeError, "Tuple field \"elts\" changed size during iteration");
5887                                         goto failed;
5888                                 }
5889                                 asdl_seq_SET(elts, i, value);
5890                         }
5891                         Py_XDECREF(tmp);
5892                         tmp = NULL;
5893                 } else {
5894                         PyErr_SetString(PyExc_TypeError, "required field \"elts\" missing from Tuple");
5895                         return 1;
5896                 }
5897                 if (PyObject_HasAttrString(obj, "ctx")) {
5898                         int res;
5899                         tmp = PyObject_GetAttrString(obj, "ctx");
5900                         if (tmp == NULL) goto failed;
5901                         res = obj2ast_expr_context(tmp, &ctx, arena);
5902                         if (res != 0) goto failed;
5903                         Py_XDECREF(tmp);
5904                         tmp = NULL;
5905                 } else {
5906                         PyErr_SetString(PyExc_TypeError, "required field \"ctx\" missing from Tuple");
5907                         return 1;
5908                 }
5909                 *out = Tuple(elts, ctx, lineno, col_offset, arena);
5910                 if (*out == NULL) goto failed;
5911                 return 0;
5912         }
5913 
5914         tmp = PyObject_Repr(obj);
5915         if (tmp == NULL) goto failed;
5916         PyErr_Format(PyExc_TypeError, "expected some sort of expr, but got %.400s", PyString_AS_STRING(tmp));
5917 failed:
5918         Py_XDECREF(tmp);
5919         return 1;
5920 }
5921 
5922 int
obj2ast_expr_context(PyObject * obj,expr_context_ty * out,PyArena * arena)5923 obj2ast_expr_context(PyObject* obj, expr_context_ty* out, PyArena* arena)
5924 {
5925         PyObject* tmp = NULL;
5926         int isinstance;
5927 
5928         isinstance = PyObject_IsInstance(obj, (PyObject *)Load_type);
5929         if (isinstance == -1) {
5930                 return 1;
5931         }
5932         if (isinstance) {
5933                 *out = Load;
5934                 return 0;
5935         }
5936         isinstance = PyObject_IsInstance(obj, (PyObject *)Store_type);
5937         if (isinstance == -1) {
5938                 return 1;
5939         }
5940         if (isinstance) {
5941                 *out = Store;
5942                 return 0;
5943         }
5944         isinstance = PyObject_IsInstance(obj, (PyObject *)Del_type);
5945         if (isinstance == -1) {
5946                 return 1;
5947         }
5948         if (isinstance) {
5949                 *out = Del;
5950                 return 0;
5951         }
5952         isinstance = PyObject_IsInstance(obj, (PyObject *)AugLoad_type);
5953         if (isinstance == -1) {
5954                 return 1;
5955         }
5956         if (isinstance) {
5957                 *out = AugLoad;
5958                 return 0;
5959         }
5960         isinstance = PyObject_IsInstance(obj, (PyObject *)AugStore_type);
5961         if (isinstance == -1) {
5962                 return 1;
5963         }
5964         if (isinstance) {
5965                 *out = AugStore;
5966                 return 0;
5967         }
5968         isinstance = PyObject_IsInstance(obj, (PyObject *)Param_type);
5969         if (isinstance == -1) {
5970                 return 1;
5971         }
5972         if (isinstance) {
5973                 *out = Param;
5974                 return 0;
5975         }
5976 
5977         tmp = PyObject_Repr(obj);
5978         if (tmp == NULL) goto failed;
5979         PyErr_Format(PyExc_TypeError, "expected some sort of expr_context, but got %.400s", PyString_AS_STRING(tmp));
5980 failed:
5981         Py_XDECREF(tmp);
5982         return 1;
5983 }
5984 
5985 int
obj2ast_slice(PyObject * obj,slice_ty * out,PyArena * arena)5986 obj2ast_slice(PyObject* obj, slice_ty* out, PyArena* arena)
5987 {
5988         PyObject* tmp = NULL;
5989         int isinstance;
5990 
5991 
5992         if (obj == Py_None) {
5993                 *out = NULL;
5994                 return 0;
5995         }
5996         isinstance = PyObject_IsInstance(obj, (PyObject*)Ellipsis_type);
5997         if (isinstance == -1) {
5998                 return 1;
5999         }
6000         if (isinstance) {
6001 
6002                 *out = Ellipsis(arena);
6003                 if (*out == NULL) goto failed;
6004                 return 0;
6005         }
6006         isinstance = PyObject_IsInstance(obj, (PyObject*)Slice_type);
6007         if (isinstance == -1) {
6008                 return 1;
6009         }
6010         if (isinstance) {
6011                 expr_ty lower;
6012                 expr_ty upper;
6013                 expr_ty step;
6014 
6015                 if (PyObject_HasAttrString(obj, "lower")) {
6016                         int res;
6017                         tmp = PyObject_GetAttrString(obj, "lower");
6018                         if (tmp == NULL) goto failed;
6019                         res = obj2ast_expr(tmp, &lower, arena);
6020                         if (res != 0) goto failed;
6021                         Py_XDECREF(tmp);
6022                         tmp = NULL;
6023                 } else {
6024                         lower = NULL;
6025                 }
6026                 if (PyObject_HasAttrString(obj, "upper")) {
6027                         int res;
6028                         tmp = PyObject_GetAttrString(obj, "upper");
6029                         if (tmp == NULL) goto failed;
6030                         res = obj2ast_expr(tmp, &upper, arena);
6031                         if (res != 0) goto failed;
6032                         Py_XDECREF(tmp);
6033                         tmp = NULL;
6034                 } else {
6035                         upper = NULL;
6036                 }
6037                 if (PyObject_HasAttrString(obj, "step")) {
6038                         int res;
6039                         tmp = PyObject_GetAttrString(obj, "step");
6040                         if (tmp == NULL) goto failed;
6041                         res = obj2ast_expr(tmp, &step, arena);
6042                         if (res != 0) goto failed;
6043                         Py_XDECREF(tmp);
6044                         tmp = NULL;
6045                 } else {
6046                         step = NULL;
6047                 }
6048                 *out = Slice(lower, upper, step, arena);
6049                 if (*out == NULL) goto failed;
6050                 return 0;
6051         }
6052         isinstance = PyObject_IsInstance(obj, (PyObject*)ExtSlice_type);
6053         if (isinstance == -1) {
6054                 return 1;
6055         }
6056         if (isinstance) {
6057                 asdl_seq* dims;
6058 
6059                 if (PyObject_HasAttrString(obj, "dims")) {
6060                         int res;
6061                         Py_ssize_t len;
6062                         Py_ssize_t i;
6063                         tmp = PyObject_GetAttrString(obj, "dims");
6064                         if (tmp == NULL) goto failed;
6065                         if (!PyList_Check(tmp)) {
6066                                 PyErr_Format(PyExc_TypeError, "ExtSlice field \"dims\" must be a list, not a %.200s", tmp->ob_type->tp_name);
6067                                 goto failed;
6068                         }
6069                         len = PyList_GET_SIZE(tmp);
6070                         dims = asdl_seq_new(len, arena);
6071                         if (dims == NULL) goto failed;
6072                         for (i = 0; i < len; i++) {
6073                                 slice_ty value;
6074                                 res = obj2ast_slice(PyList_GET_ITEM(tmp, i), &value, arena);
6075                                 if (res != 0) goto failed;
6076                                 if (len != PyList_GET_SIZE(tmp)) {
6077                                         PyErr_SetString(PyExc_RuntimeError, "ExtSlice field \"dims\" changed size during iteration");
6078                                         goto failed;
6079                                 }
6080                                 asdl_seq_SET(dims, i, value);
6081                         }
6082                         Py_XDECREF(tmp);
6083                         tmp = NULL;
6084                 } else {
6085                         PyErr_SetString(PyExc_TypeError, "required field \"dims\" missing from ExtSlice");
6086                         return 1;
6087                 }
6088                 *out = ExtSlice(dims, arena);
6089                 if (*out == NULL) goto failed;
6090                 return 0;
6091         }
6092         isinstance = PyObject_IsInstance(obj, (PyObject*)Index_type);
6093         if (isinstance == -1) {
6094                 return 1;
6095         }
6096         if (isinstance) {
6097                 expr_ty value;
6098 
6099                 if (PyObject_HasAttrString(obj, "value")) {
6100                         int res;
6101                         tmp = PyObject_GetAttrString(obj, "value");
6102                         if (tmp == NULL) goto failed;
6103                         res = obj2ast_expr(tmp, &value, arena);
6104                         if (res != 0) goto failed;
6105                         Py_XDECREF(tmp);
6106                         tmp = NULL;
6107                 } else {
6108                         PyErr_SetString(PyExc_TypeError, "required field \"value\" missing from Index");
6109                         return 1;
6110                 }
6111                 *out = Index(value, arena);
6112                 if (*out == NULL) goto failed;
6113                 return 0;
6114         }
6115 
6116         tmp = PyObject_Repr(obj);
6117         if (tmp == NULL) goto failed;
6118         PyErr_Format(PyExc_TypeError, "expected some sort of slice, but got %.400s", PyString_AS_STRING(tmp));
6119 failed:
6120         Py_XDECREF(tmp);
6121         return 1;
6122 }
6123 
6124 int
obj2ast_boolop(PyObject * obj,boolop_ty * out,PyArena * arena)6125 obj2ast_boolop(PyObject* obj, boolop_ty* out, PyArena* arena)
6126 {
6127         PyObject* tmp = NULL;
6128         int isinstance;
6129 
6130         isinstance = PyObject_IsInstance(obj, (PyObject *)And_type);
6131         if (isinstance == -1) {
6132                 return 1;
6133         }
6134         if (isinstance) {
6135                 *out = And;
6136                 return 0;
6137         }
6138         isinstance = PyObject_IsInstance(obj, (PyObject *)Or_type);
6139         if (isinstance == -1) {
6140                 return 1;
6141         }
6142         if (isinstance) {
6143                 *out = Or;
6144                 return 0;
6145         }
6146 
6147         tmp = PyObject_Repr(obj);
6148         if (tmp == NULL) goto failed;
6149         PyErr_Format(PyExc_TypeError, "expected some sort of boolop, but got %.400s", PyString_AS_STRING(tmp));
6150 failed:
6151         Py_XDECREF(tmp);
6152         return 1;
6153 }
6154 
6155 int
obj2ast_operator(PyObject * obj,operator_ty * out,PyArena * arena)6156 obj2ast_operator(PyObject* obj, operator_ty* out, PyArena* arena)
6157 {
6158         PyObject* tmp = NULL;
6159         int isinstance;
6160 
6161         isinstance = PyObject_IsInstance(obj, (PyObject *)Add_type);
6162         if (isinstance == -1) {
6163                 return 1;
6164         }
6165         if (isinstance) {
6166                 *out = Add;
6167                 return 0;
6168         }
6169         isinstance = PyObject_IsInstance(obj, (PyObject *)Sub_type);
6170         if (isinstance == -1) {
6171                 return 1;
6172         }
6173         if (isinstance) {
6174                 *out = Sub;
6175                 return 0;
6176         }
6177         isinstance = PyObject_IsInstance(obj, (PyObject *)Mult_type);
6178         if (isinstance == -1) {
6179                 return 1;
6180         }
6181         if (isinstance) {
6182                 *out = Mult;
6183                 return 0;
6184         }
6185         isinstance = PyObject_IsInstance(obj, (PyObject *)Div_type);
6186         if (isinstance == -1) {
6187                 return 1;
6188         }
6189         if (isinstance) {
6190                 *out = Div;
6191                 return 0;
6192         }
6193         isinstance = PyObject_IsInstance(obj, (PyObject *)Mod_type);
6194         if (isinstance == -1) {
6195                 return 1;
6196         }
6197         if (isinstance) {
6198                 *out = Mod;
6199                 return 0;
6200         }
6201         isinstance = PyObject_IsInstance(obj, (PyObject *)Pow_type);
6202         if (isinstance == -1) {
6203                 return 1;
6204         }
6205         if (isinstance) {
6206                 *out = Pow;
6207                 return 0;
6208         }
6209         isinstance = PyObject_IsInstance(obj, (PyObject *)LShift_type);
6210         if (isinstance == -1) {
6211                 return 1;
6212         }
6213         if (isinstance) {
6214                 *out = LShift;
6215                 return 0;
6216         }
6217         isinstance = PyObject_IsInstance(obj, (PyObject *)RShift_type);
6218         if (isinstance == -1) {
6219                 return 1;
6220         }
6221         if (isinstance) {
6222                 *out = RShift;
6223                 return 0;
6224         }
6225         isinstance = PyObject_IsInstance(obj, (PyObject *)BitOr_type);
6226         if (isinstance == -1) {
6227                 return 1;
6228         }
6229         if (isinstance) {
6230                 *out = BitOr;
6231                 return 0;
6232         }
6233         isinstance = PyObject_IsInstance(obj, (PyObject *)BitXor_type);
6234         if (isinstance == -1) {
6235                 return 1;
6236         }
6237         if (isinstance) {
6238                 *out = BitXor;
6239                 return 0;
6240         }
6241         isinstance = PyObject_IsInstance(obj, (PyObject *)BitAnd_type);
6242         if (isinstance == -1) {
6243                 return 1;
6244         }
6245         if (isinstance) {
6246                 *out = BitAnd;
6247                 return 0;
6248         }
6249         isinstance = PyObject_IsInstance(obj, (PyObject *)FloorDiv_type);
6250         if (isinstance == -1) {
6251                 return 1;
6252         }
6253         if (isinstance) {
6254                 *out = FloorDiv;
6255                 return 0;
6256         }
6257 
6258         tmp = PyObject_Repr(obj);
6259         if (tmp == NULL) goto failed;
6260         PyErr_Format(PyExc_TypeError, "expected some sort of operator, but got %.400s", PyString_AS_STRING(tmp));
6261 failed:
6262         Py_XDECREF(tmp);
6263         return 1;
6264 }
6265 
6266 int
obj2ast_unaryop(PyObject * obj,unaryop_ty * out,PyArena * arena)6267 obj2ast_unaryop(PyObject* obj, unaryop_ty* out, PyArena* arena)
6268 {
6269         PyObject* tmp = NULL;
6270         int isinstance;
6271 
6272         isinstance = PyObject_IsInstance(obj, (PyObject *)Invert_type);
6273         if (isinstance == -1) {
6274                 return 1;
6275         }
6276         if (isinstance) {
6277                 *out = Invert;
6278                 return 0;
6279         }
6280         isinstance = PyObject_IsInstance(obj, (PyObject *)Not_type);
6281         if (isinstance == -1) {
6282                 return 1;
6283         }
6284         if (isinstance) {
6285                 *out = Not;
6286                 return 0;
6287         }
6288         isinstance = PyObject_IsInstance(obj, (PyObject *)UAdd_type);
6289         if (isinstance == -1) {
6290                 return 1;
6291         }
6292         if (isinstance) {
6293                 *out = UAdd;
6294                 return 0;
6295         }
6296         isinstance = PyObject_IsInstance(obj, (PyObject *)USub_type);
6297         if (isinstance == -1) {
6298                 return 1;
6299         }
6300         if (isinstance) {
6301                 *out = USub;
6302                 return 0;
6303         }
6304 
6305         tmp = PyObject_Repr(obj);
6306         if (tmp == NULL) goto failed;
6307         PyErr_Format(PyExc_TypeError, "expected some sort of unaryop, but got %.400s", PyString_AS_STRING(tmp));
6308 failed:
6309         Py_XDECREF(tmp);
6310         return 1;
6311 }
6312 
6313 int
obj2ast_cmpop(PyObject * obj,cmpop_ty * out,PyArena * arena)6314 obj2ast_cmpop(PyObject* obj, cmpop_ty* out, PyArena* arena)
6315 {
6316         PyObject* tmp = NULL;
6317         int isinstance;
6318 
6319         isinstance = PyObject_IsInstance(obj, (PyObject *)Eq_type);
6320         if (isinstance == -1) {
6321                 return 1;
6322         }
6323         if (isinstance) {
6324                 *out = Eq;
6325                 return 0;
6326         }
6327         isinstance = PyObject_IsInstance(obj, (PyObject *)NotEq_type);
6328         if (isinstance == -1) {
6329                 return 1;
6330         }
6331         if (isinstance) {
6332                 *out = NotEq;
6333                 return 0;
6334         }
6335         isinstance = PyObject_IsInstance(obj, (PyObject *)Lt_type);
6336         if (isinstance == -1) {
6337                 return 1;
6338         }
6339         if (isinstance) {
6340                 *out = Lt;
6341                 return 0;
6342         }
6343         isinstance = PyObject_IsInstance(obj, (PyObject *)LtE_type);
6344         if (isinstance == -1) {
6345                 return 1;
6346         }
6347         if (isinstance) {
6348                 *out = LtE;
6349                 return 0;
6350         }
6351         isinstance = PyObject_IsInstance(obj, (PyObject *)Gt_type);
6352         if (isinstance == -1) {
6353                 return 1;
6354         }
6355         if (isinstance) {
6356                 *out = Gt;
6357                 return 0;
6358         }
6359         isinstance = PyObject_IsInstance(obj, (PyObject *)GtE_type);
6360         if (isinstance == -1) {
6361                 return 1;
6362         }
6363         if (isinstance) {
6364                 *out = GtE;
6365                 return 0;
6366         }
6367         isinstance = PyObject_IsInstance(obj, (PyObject *)Is_type);
6368         if (isinstance == -1) {
6369                 return 1;
6370         }
6371         if (isinstance) {
6372                 *out = Is;
6373                 return 0;
6374         }
6375         isinstance = PyObject_IsInstance(obj, (PyObject *)IsNot_type);
6376         if (isinstance == -1) {
6377                 return 1;
6378         }
6379         if (isinstance) {
6380                 *out = IsNot;
6381                 return 0;
6382         }
6383         isinstance = PyObject_IsInstance(obj, (PyObject *)In_type);
6384         if (isinstance == -1) {
6385                 return 1;
6386         }
6387         if (isinstance) {
6388                 *out = In;
6389                 return 0;
6390         }
6391         isinstance = PyObject_IsInstance(obj, (PyObject *)NotIn_type);
6392         if (isinstance == -1) {
6393                 return 1;
6394         }
6395         if (isinstance) {
6396                 *out = NotIn;
6397                 return 0;
6398         }
6399 
6400         tmp = PyObject_Repr(obj);
6401         if (tmp == NULL) goto failed;
6402         PyErr_Format(PyExc_TypeError, "expected some sort of cmpop, but got %.400s", PyString_AS_STRING(tmp));
6403 failed:
6404         Py_XDECREF(tmp);
6405         return 1;
6406 }
6407 
6408 int
obj2ast_comprehension(PyObject * obj,comprehension_ty * out,PyArena * arena)6409 obj2ast_comprehension(PyObject* obj, comprehension_ty* out, PyArena* arena)
6410 {
6411         PyObject* tmp = NULL;
6412         expr_ty target;
6413         expr_ty iter;
6414         asdl_seq* ifs;
6415 
6416         if (PyObject_HasAttrString(obj, "target")) {
6417                 int res;
6418                 tmp = PyObject_GetAttrString(obj, "target");
6419                 if (tmp == NULL) goto failed;
6420                 res = obj2ast_expr(tmp, &target, arena);
6421                 if (res != 0) goto failed;
6422                 Py_XDECREF(tmp);
6423                 tmp = NULL;
6424         } else {
6425                 PyErr_SetString(PyExc_TypeError, "required field \"target\" missing from comprehension");
6426                 return 1;
6427         }
6428         if (PyObject_HasAttrString(obj, "iter")) {
6429                 int res;
6430                 tmp = PyObject_GetAttrString(obj, "iter");
6431                 if (tmp == NULL) goto failed;
6432                 res = obj2ast_expr(tmp, &iter, arena);
6433                 if (res != 0) goto failed;
6434                 Py_XDECREF(tmp);
6435                 tmp = NULL;
6436         } else {
6437                 PyErr_SetString(PyExc_TypeError, "required field \"iter\" missing from comprehension");
6438                 return 1;
6439         }
6440         if (PyObject_HasAttrString(obj, "ifs")) {
6441                 int res;
6442                 Py_ssize_t len;
6443                 Py_ssize_t i;
6444                 tmp = PyObject_GetAttrString(obj, "ifs");
6445                 if (tmp == NULL) goto failed;
6446                 if (!PyList_Check(tmp)) {
6447                         PyErr_Format(PyExc_TypeError, "comprehension field \"ifs\" must be a list, not a %.200s", tmp->ob_type->tp_name);
6448                         goto failed;
6449                 }
6450                 len = PyList_GET_SIZE(tmp);
6451                 ifs = asdl_seq_new(len, arena);
6452                 if (ifs == NULL) goto failed;
6453                 for (i = 0; i < len; i++) {
6454                         expr_ty value;
6455                         res = obj2ast_expr(PyList_GET_ITEM(tmp, i), &value, arena);
6456                         if (res != 0) goto failed;
6457                         if (len != PyList_GET_SIZE(tmp)) {
6458                                 PyErr_SetString(PyExc_RuntimeError, "comprehension field \"ifs\" changed size during iteration");
6459                                 goto failed;
6460                         }
6461                         asdl_seq_SET(ifs, i, value);
6462                 }
6463                 Py_XDECREF(tmp);
6464                 tmp = NULL;
6465         } else {
6466                 PyErr_SetString(PyExc_TypeError, "required field \"ifs\" missing from comprehension");
6467                 return 1;
6468         }
6469         *out = comprehension(target, iter, ifs, arena);
6470         return 0;
6471 failed:
6472         Py_XDECREF(tmp);
6473         return 1;
6474 }
6475 
6476 int
obj2ast_excepthandler(PyObject * obj,excepthandler_ty * out,PyArena * arena)6477 obj2ast_excepthandler(PyObject* obj, excepthandler_ty* out, PyArena* arena)
6478 {
6479         PyObject* tmp = NULL;
6480         int isinstance;
6481 
6482         int lineno;
6483         int col_offset;
6484 
6485         if (obj == Py_None) {
6486                 *out = NULL;
6487                 return 0;
6488         }
6489         if (PyObject_HasAttrString(obj, "lineno")) {
6490                 int res;
6491                 tmp = PyObject_GetAttrString(obj, "lineno");
6492                 if (tmp == NULL) goto failed;
6493                 res = obj2ast_int(tmp, &lineno, arena);
6494                 if (res != 0) goto failed;
6495                 Py_XDECREF(tmp);
6496                 tmp = NULL;
6497         } else {
6498                 PyErr_SetString(PyExc_TypeError, "required field \"lineno\" missing from excepthandler");
6499                 return 1;
6500         }
6501         if (PyObject_HasAttrString(obj, "col_offset")) {
6502                 int res;
6503                 tmp = PyObject_GetAttrString(obj, "col_offset");
6504                 if (tmp == NULL) goto failed;
6505                 res = obj2ast_int(tmp, &col_offset, arena);
6506                 if (res != 0) goto failed;
6507                 Py_XDECREF(tmp);
6508                 tmp = NULL;
6509         } else {
6510                 PyErr_SetString(PyExc_TypeError, "required field \"col_offset\" missing from excepthandler");
6511                 return 1;
6512         }
6513         isinstance = PyObject_IsInstance(obj, (PyObject*)ExceptHandler_type);
6514         if (isinstance == -1) {
6515                 return 1;
6516         }
6517         if (isinstance) {
6518                 expr_ty type;
6519                 expr_ty name;
6520                 asdl_seq* body;
6521 
6522                 if (PyObject_HasAttrString(obj, "type")) {
6523                         int res;
6524                         tmp = PyObject_GetAttrString(obj, "type");
6525                         if (tmp == NULL) goto failed;
6526                         res = obj2ast_expr(tmp, &type, arena);
6527                         if (res != 0) goto failed;
6528                         Py_XDECREF(tmp);
6529                         tmp = NULL;
6530                 } else {
6531                         type = NULL;
6532                 }
6533                 if (PyObject_HasAttrString(obj, "name")) {
6534                         int res;
6535                         tmp = PyObject_GetAttrString(obj, "name");
6536                         if (tmp == NULL) goto failed;
6537                         res = obj2ast_expr(tmp, &name, arena);
6538                         if (res != 0) goto failed;
6539                         Py_XDECREF(tmp);
6540                         tmp = NULL;
6541                 } else {
6542                         name = NULL;
6543                 }
6544                 if (PyObject_HasAttrString(obj, "body")) {
6545                         int res;
6546                         Py_ssize_t len;
6547                         Py_ssize_t i;
6548                         tmp = PyObject_GetAttrString(obj, "body");
6549                         if (tmp == NULL) goto failed;
6550                         if (!PyList_Check(tmp)) {
6551                                 PyErr_Format(PyExc_TypeError, "ExceptHandler field \"body\" must be a list, not a %.200s", tmp->ob_type->tp_name);
6552                                 goto failed;
6553                         }
6554                         len = PyList_GET_SIZE(tmp);
6555                         body = asdl_seq_new(len, arena);
6556                         if (body == NULL) goto failed;
6557                         for (i = 0; i < len; i++) {
6558                                 stmt_ty value;
6559                                 res = obj2ast_stmt(PyList_GET_ITEM(tmp, i), &value, arena);
6560                                 if (res != 0) goto failed;
6561                                 if (len != PyList_GET_SIZE(tmp)) {
6562                                         PyErr_SetString(PyExc_RuntimeError, "ExceptHandler field \"body\" changed size during iteration");
6563                                         goto failed;
6564                                 }
6565                                 asdl_seq_SET(body, i, value);
6566                         }
6567                         Py_XDECREF(tmp);
6568                         tmp = NULL;
6569                 } else {
6570                         PyErr_SetString(PyExc_TypeError, "required field \"body\" missing from ExceptHandler");
6571                         return 1;
6572                 }
6573                 *out = ExceptHandler(type, name, body, lineno, col_offset,
6574                                      arena);
6575                 if (*out == NULL) goto failed;
6576                 return 0;
6577         }
6578 
6579         tmp = PyObject_Repr(obj);
6580         if (tmp == NULL) goto failed;
6581         PyErr_Format(PyExc_TypeError, "expected some sort of excepthandler, but got %.400s", PyString_AS_STRING(tmp));
6582 failed:
6583         Py_XDECREF(tmp);
6584         return 1;
6585 }
6586 
6587 int
obj2ast_arguments(PyObject * obj,arguments_ty * out,PyArena * arena)6588 obj2ast_arguments(PyObject* obj, arguments_ty* out, PyArena* arena)
6589 {
6590         PyObject* tmp = NULL;
6591         asdl_seq* args;
6592         identifier vararg;
6593         identifier kwarg;
6594         asdl_seq* defaults;
6595 
6596         if (PyObject_HasAttrString(obj, "args")) {
6597                 int res;
6598                 Py_ssize_t len;
6599                 Py_ssize_t i;
6600                 tmp = PyObject_GetAttrString(obj, "args");
6601                 if (tmp == NULL) goto failed;
6602                 if (!PyList_Check(tmp)) {
6603                         PyErr_Format(PyExc_TypeError, "arguments field \"args\" must be a list, not a %.200s", tmp->ob_type->tp_name);
6604                         goto failed;
6605                 }
6606                 len = PyList_GET_SIZE(tmp);
6607                 args = asdl_seq_new(len, arena);
6608                 if (args == NULL) goto failed;
6609                 for (i = 0; i < len; i++) {
6610                         expr_ty value;
6611                         res = obj2ast_expr(PyList_GET_ITEM(tmp, i), &value, arena);
6612                         if (res != 0) goto failed;
6613                         if (len != PyList_GET_SIZE(tmp)) {
6614                                 PyErr_SetString(PyExc_RuntimeError, "arguments field \"args\" changed size during iteration");
6615                                 goto failed;
6616                         }
6617                         asdl_seq_SET(args, i, value);
6618                 }
6619                 Py_XDECREF(tmp);
6620                 tmp = NULL;
6621         } else {
6622                 PyErr_SetString(PyExc_TypeError, "required field \"args\" missing from arguments");
6623                 return 1;
6624         }
6625         if (PyObject_HasAttrString(obj, "vararg")) {
6626                 int res;
6627                 tmp = PyObject_GetAttrString(obj, "vararg");
6628                 if (tmp == NULL) goto failed;
6629                 res = obj2ast_identifier(tmp, &vararg, arena);
6630                 if (res != 0) goto failed;
6631                 Py_XDECREF(tmp);
6632                 tmp = NULL;
6633         } else {
6634                 vararg = NULL;
6635         }
6636         if (PyObject_HasAttrString(obj, "kwarg")) {
6637                 int res;
6638                 tmp = PyObject_GetAttrString(obj, "kwarg");
6639                 if (tmp == NULL) goto failed;
6640                 res = obj2ast_identifier(tmp, &kwarg, arena);
6641                 if (res != 0) goto failed;
6642                 Py_XDECREF(tmp);
6643                 tmp = NULL;
6644         } else {
6645                 kwarg = NULL;
6646         }
6647         if (PyObject_HasAttrString(obj, "defaults")) {
6648                 int res;
6649                 Py_ssize_t len;
6650                 Py_ssize_t i;
6651                 tmp = PyObject_GetAttrString(obj, "defaults");
6652                 if (tmp == NULL) goto failed;
6653                 if (!PyList_Check(tmp)) {
6654                         PyErr_Format(PyExc_TypeError, "arguments field \"defaults\" must be a list, not a %.200s", tmp->ob_type->tp_name);
6655                         goto failed;
6656                 }
6657                 len = PyList_GET_SIZE(tmp);
6658                 defaults = asdl_seq_new(len, arena);
6659                 if (defaults == NULL) goto failed;
6660                 for (i = 0; i < len; i++) {
6661                         expr_ty value;
6662                         res = obj2ast_expr(PyList_GET_ITEM(tmp, i), &value, arena);
6663                         if (res != 0) goto failed;
6664                         if (len != PyList_GET_SIZE(tmp)) {
6665                                 PyErr_SetString(PyExc_RuntimeError, "arguments field \"defaults\" changed size during iteration");
6666                                 goto failed;
6667                         }
6668                         asdl_seq_SET(defaults, i, value);
6669                 }
6670                 Py_XDECREF(tmp);
6671                 tmp = NULL;
6672         } else {
6673                 PyErr_SetString(PyExc_TypeError, "required field \"defaults\" missing from arguments");
6674                 return 1;
6675         }
6676         *out = arguments(args, vararg, kwarg, defaults, arena);
6677         return 0;
6678 failed:
6679         Py_XDECREF(tmp);
6680         return 1;
6681 }
6682 
6683 int
obj2ast_keyword(PyObject * obj,keyword_ty * out,PyArena * arena)6684 obj2ast_keyword(PyObject* obj, keyword_ty* out, PyArena* arena)
6685 {
6686         PyObject* tmp = NULL;
6687         identifier arg;
6688         expr_ty value;
6689 
6690         if (PyObject_HasAttrString(obj, "arg")) {
6691                 int res;
6692                 tmp = PyObject_GetAttrString(obj, "arg");
6693                 if (tmp == NULL) goto failed;
6694                 res = obj2ast_identifier(tmp, &arg, arena);
6695                 if (res != 0) goto failed;
6696                 Py_XDECREF(tmp);
6697                 tmp = NULL;
6698         } else {
6699                 PyErr_SetString(PyExc_TypeError, "required field \"arg\" missing from keyword");
6700                 return 1;
6701         }
6702         if (PyObject_HasAttrString(obj, "value")) {
6703                 int res;
6704                 tmp = PyObject_GetAttrString(obj, "value");
6705                 if (tmp == NULL) goto failed;
6706                 res = obj2ast_expr(tmp, &value, arena);
6707                 if (res != 0) goto failed;
6708                 Py_XDECREF(tmp);
6709                 tmp = NULL;
6710         } else {
6711                 PyErr_SetString(PyExc_TypeError, "required field \"value\" missing from keyword");
6712                 return 1;
6713         }
6714         *out = keyword(arg, value, arena);
6715         return 0;
6716 failed:
6717         Py_XDECREF(tmp);
6718         return 1;
6719 }
6720 
6721 int
obj2ast_alias(PyObject * obj,alias_ty * out,PyArena * arena)6722 obj2ast_alias(PyObject* obj, alias_ty* out, PyArena* arena)
6723 {
6724         PyObject* tmp = NULL;
6725         identifier name;
6726         identifier asname;
6727 
6728         if (PyObject_HasAttrString(obj, "name")) {
6729                 int res;
6730                 tmp = PyObject_GetAttrString(obj, "name");
6731                 if (tmp == NULL) goto failed;
6732                 res = obj2ast_identifier(tmp, &name, arena);
6733                 if (res != 0) goto failed;
6734                 Py_XDECREF(tmp);
6735                 tmp = NULL;
6736         } else {
6737                 PyErr_SetString(PyExc_TypeError, "required field \"name\" missing from alias");
6738                 return 1;
6739         }
6740         if (PyObject_HasAttrString(obj, "asname")) {
6741                 int res;
6742                 tmp = PyObject_GetAttrString(obj, "asname");
6743                 if (tmp == NULL) goto failed;
6744                 res = obj2ast_identifier(tmp, &asname, arena);
6745                 if (res != 0) goto failed;
6746                 Py_XDECREF(tmp);
6747                 tmp = NULL;
6748         } else {
6749                 asname = NULL;
6750         }
6751         *out = alias(name, asname, arena);
6752         return 0;
6753 failed:
6754         Py_XDECREF(tmp);
6755         return 1;
6756 }
6757 
6758 
6759 PyMODINIT_FUNC
init_ast(void)6760 init_ast(void)
6761 {
6762         PyObject *m, *d;
6763         if (!init_types()) return;
6764         m = Py_InitModule3("_ast", NULL, NULL);
6765         if (!m) return;
6766         d = PyModule_GetDict(m);
6767         if (PyDict_SetItemString(d, "AST", (PyObject*)&AST_type) < 0) return;
6768         if (PyModule_AddIntConstant(m, "PyCF_ONLY_AST", PyCF_ONLY_AST) < 0)
6769                 return;
6770         if (PyModule_AddStringConstant(m, "__version__", "82160") < 0)
6771                 return;
6772         if (PyDict_SetItemString(d, "mod", (PyObject*)mod_type) < 0) return;
6773         if (PyDict_SetItemString(d, "Module", (PyObject*)Module_type) < 0)
6774             return;
6775         if (PyDict_SetItemString(d, "Interactive", (PyObject*)Interactive_type)
6776             < 0) return;
6777         if (PyDict_SetItemString(d, "Expression", (PyObject*)Expression_type) <
6778             0) return;
6779         if (PyDict_SetItemString(d, "Suite", (PyObject*)Suite_type) < 0) return;
6780         if (PyDict_SetItemString(d, "stmt", (PyObject*)stmt_type) < 0) return;
6781         if (PyDict_SetItemString(d, "FunctionDef", (PyObject*)FunctionDef_type)
6782             < 0) return;
6783         if (PyDict_SetItemString(d, "ClassDef", (PyObject*)ClassDef_type) < 0)
6784             return;
6785         if (PyDict_SetItemString(d, "Return", (PyObject*)Return_type) < 0)
6786             return;
6787         if (PyDict_SetItemString(d, "Delete", (PyObject*)Delete_type) < 0)
6788             return;
6789         if (PyDict_SetItemString(d, "Assign", (PyObject*)Assign_type) < 0)
6790             return;
6791         if (PyDict_SetItemString(d, "AugAssign", (PyObject*)AugAssign_type) <
6792             0) return;
6793         if (PyDict_SetItemString(d, "Print", (PyObject*)Print_type) < 0) return;
6794         if (PyDict_SetItemString(d, "For", (PyObject*)For_type) < 0) return;
6795         if (PyDict_SetItemString(d, "While", (PyObject*)While_type) < 0) return;
6796         if (PyDict_SetItemString(d, "If", (PyObject*)If_type) < 0) return;
6797         if (PyDict_SetItemString(d, "With", (PyObject*)With_type) < 0) return;
6798         if (PyDict_SetItemString(d, "Raise", (PyObject*)Raise_type) < 0) return;
6799         if (PyDict_SetItemString(d, "TryExcept", (PyObject*)TryExcept_type) <
6800             0) return;
6801         if (PyDict_SetItemString(d, "TryFinally", (PyObject*)TryFinally_type) <
6802             0) return;
6803         if (PyDict_SetItemString(d, "Assert", (PyObject*)Assert_type) < 0)
6804             return;
6805         if (PyDict_SetItemString(d, "Import", (PyObject*)Import_type) < 0)
6806             return;
6807         if (PyDict_SetItemString(d, "ImportFrom", (PyObject*)ImportFrom_type) <
6808             0) return;
6809         if (PyDict_SetItemString(d, "Exec", (PyObject*)Exec_type) < 0) return;
6810         if (PyDict_SetItemString(d, "Global", (PyObject*)Global_type) < 0)
6811             return;
6812         if (PyDict_SetItemString(d, "Expr", (PyObject*)Expr_type) < 0) return;
6813         if (PyDict_SetItemString(d, "Pass", (PyObject*)Pass_type) < 0) return;
6814         if (PyDict_SetItemString(d, "Break", (PyObject*)Break_type) < 0) return;
6815         if (PyDict_SetItemString(d, "Continue", (PyObject*)Continue_type) < 0)
6816             return;
6817         if (PyDict_SetItemString(d, "expr", (PyObject*)expr_type) < 0) return;
6818         if (PyDict_SetItemString(d, "BoolOp", (PyObject*)BoolOp_type) < 0)
6819             return;
6820         if (PyDict_SetItemString(d, "BinOp", (PyObject*)BinOp_type) < 0) return;
6821         if (PyDict_SetItemString(d, "UnaryOp", (PyObject*)UnaryOp_type) < 0)
6822             return;
6823         if (PyDict_SetItemString(d, "Lambda", (PyObject*)Lambda_type) < 0)
6824             return;
6825         if (PyDict_SetItemString(d, "IfExp", (PyObject*)IfExp_type) < 0) return;
6826         if (PyDict_SetItemString(d, "Dict", (PyObject*)Dict_type) < 0) return;
6827         if (PyDict_SetItemString(d, "Set", (PyObject*)Set_type) < 0) return;
6828         if (PyDict_SetItemString(d, "ListComp", (PyObject*)ListComp_type) < 0)
6829             return;
6830         if (PyDict_SetItemString(d, "SetComp", (PyObject*)SetComp_type) < 0)
6831             return;
6832         if (PyDict_SetItemString(d, "DictComp", (PyObject*)DictComp_type) < 0)
6833             return;
6834         if (PyDict_SetItemString(d, "GeneratorExp",
6835             (PyObject*)GeneratorExp_type) < 0) return;
6836         if (PyDict_SetItemString(d, "Yield", (PyObject*)Yield_type) < 0) return;
6837         if (PyDict_SetItemString(d, "Compare", (PyObject*)Compare_type) < 0)
6838             return;
6839         if (PyDict_SetItemString(d, "Call", (PyObject*)Call_type) < 0) return;
6840         if (PyDict_SetItemString(d, "Repr", (PyObject*)Repr_type) < 0) return;
6841         if (PyDict_SetItemString(d, "Num", (PyObject*)Num_type) < 0) return;
6842         if (PyDict_SetItemString(d, "Str", (PyObject*)Str_type) < 0) return;
6843         if (PyDict_SetItemString(d, "Attribute", (PyObject*)Attribute_type) <
6844             0) return;
6845         if (PyDict_SetItemString(d, "Subscript", (PyObject*)Subscript_type) <
6846             0) return;
6847         if (PyDict_SetItemString(d, "Name", (PyObject*)Name_type) < 0) return;
6848         if (PyDict_SetItemString(d, "List", (PyObject*)List_type) < 0) return;
6849         if (PyDict_SetItemString(d, "Tuple", (PyObject*)Tuple_type) < 0) return;
6850         if (PyDict_SetItemString(d, "expr_context",
6851             (PyObject*)expr_context_type) < 0) return;
6852         if (PyDict_SetItemString(d, "Load", (PyObject*)Load_type) < 0) return;
6853         if (PyDict_SetItemString(d, "Store", (PyObject*)Store_type) < 0) return;
6854         if (PyDict_SetItemString(d, "Del", (PyObject*)Del_type) < 0) return;
6855         if (PyDict_SetItemString(d, "AugLoad", (PyObject*)AugLoad_type) < 0)
6856             return;
6857         if (PyDict_SetItemString(d, "AugStore", (PyObject*)AugStore_type) < 0)
6858             return;
6859         if (PyDict_SetItemString(d, "Param", (PyObject*)Param_type) < 0) return;
6860         if (PyDict_SetItemString(d, "slice", (PyObject*)slice_type) < 0) return;
6861         if (PyDict_SetItemString(d, "Ellipsis", (PyObject*)Ellipsis_type) < 0)
6862             return;
6863         if (PyDict_SetItemString(d, "Slice", (PyObject*)Slice_type) < 0) return;
6864         if (PyDict_SetItemString(d, "ExtSlice", (PyObject*)ExtSlice_type) < 0)
6865             return;
6866         if (PyDict_SetItemString(d, "Index", (PyObject*)Index_type) < 0) return;
6867         if (PyDict_SetItemString(d, "boolop", (PyObject*)boolop_type) < 0)
6868             return;
6869         if (PyDict_SetItemString(d, "And", (PyObject*)And_type) < 0) return;
6870         if (PyDict_SetItemString(d, "Or", (PyObject*)Or_type) < 0) return;
6871         if (PyDict_SetItemString(d, "operator", (PyObject*)operator_type) < 0)
6872             return;
6873         if (PyDict_SetItemString(d, "Add", (PyObject*)Add_type) < 0) return;
6874         if (PyDict_SetItemString(d, "Sub", (PyObject*)Sub_type) < 0) return;
6875         if (PyDict_SetItemString(d, "Mult", (PyObject*)Mult_type) < 0) return;
6876         if (PyDict_SetItemString(d, "Div", (PyObject*)Div_type) < 0) return;
6877         if (PyDict_SetItemString(d, "Mod", (PyObject*)Mod_type) < 0) return;
6878         if (PyDict_SetItemString(d, "Pow", (PyObject*)Pow_type) < 0) return;
6879         if (PyDict_SetItemString(d, "LShift", (PyObject*)LShift_type) < 0)
6880             return;
6881         if (PyDict_SetItemString(d, "RShift", (PyObject*)RShift_type) < 0)
6882             return;
6883         if (PyDict_SetItemString(d, "BitOr", (PyObject*)BitOr_type) < 0) return;
6884         if (PyDict_SetItemString(d, "BitXor", (PyObject*)BitXor_type) < 0)
6885             return;
6886         if (PyDict_SetItemString(d, "BitAnd", (PyObject*)BitAnd_type) < 0)
6887             return;
6888         if (PyDict_SetItemString(d, "FloorDiv", (PyObject*)FloorDiv_type) < 0)
6889             return;
6890         if (PyDict_SetItemString(d, "unaryop", (PyObject*)unaryop_type) < 0)
6891             return;
6892         if (PyDict_SetItemString(d, "Invert", (PyObject*)Invert_type) < 0)
6893             return;
6894         if (PyDict_SetItemString(d, "Not", (PyObject*)Not_type) < 0) return;
6895         if (PyDict_SetItemString(d, "UAdd", (PyObject*)UAdd_type) < 0) return;
6896         if (PyDict_SetItemString(d, "USub", (PyObject*)USub_type) < 0) return;
6897         if (PyDict_SetItemString(d, "cmpop", (PyObject*)cmpop_type) < 0) return;
6898         if (PyDict_SetItemString(d, "Eq", (PyObject*)Eq_type) < 0) return;
6899         if (PyDict_SetItemString(d, "NotEq", (PyObject*)NotEq_type) < 0) return;
6900         if (PyDict_SetItemString(d, "Lt", (PyObject*)Lt_type) < 0) return;
6901         if (PyDict_SetItemString(d, "LtE", (PyObject*)LtE_type) < 0) return;
6902         if (PyDict_SetItemString(d, "Gt", (PyObject*)Gt_type) < 0) return;
6903         if (PyDict_SetItemString(d, "GtE", (PyObject*)GtE_type) < 0) return;
6904         if (PyDict_SetItemString(d, "Is", (PyObject*)Is_type) < 0) return;
6905         if (PyDict_SetItemString(d, "IsNot", (PyObject*)IsNot_type) < 0) return;
6906         if (PyDict_SetItemString(d, "In", (PyObject*)In_type) < 0) return;
6907         if (PyDict_SetItemString(d, "NotIn", (PyObject*)NotIn_type) < 0) return;
6908         if (PyDict_SetItemString(d, "comprehension",
6909             (PyObject*)comprehension_type) < 0) return;
6910         if (PyDict_SetItemString(d, "excepthandler",
6911             (PyObject*)excepthandler_type) < 0) return;
6912         if (PyDict_SetItemString(d, "ExceptHandler",
6913             (PyObject*)ExceptHandler_type) < 0) return;
6914         if (PyDict_SetItemString(d, "arguments", (PyObject*)arguments_type) <
6915             0) return;
6916         if (PyDict_SetItemString(d, "keyword", (PyObject*)keyword_type) < 0)
6917             return;
6918         if (PyDict_SetItemString(d, "alias", (PyObject*)alias_type) < 0) return;
6919 }
6920 
6921 
PyAST_mod2obj(mod_ty t)6922 PyObject* PyAST_mod2obj(mod_ty t)
6923 {
6924     init_types();
6925     return ast2obj_mod(t);
6926 }
6927 
6928 /* mode is 0 for "exec", 1 for "eval" and 2 for "single" input */
PyAST_obj2mod(PyObject * ast,PyArena * arena,int mode)6929 mod_ty PyAST_obj2mod(PyObject* ast, PyArena* arena, int mode)
6930 {
6931     mod_ty res;
6932     PyObject *req_type[3];
6933     char *req_name[3];
6934     int isinstance;
6935 
6936     req_type[0] = (PyObject*)Module_type;
6937     req_type[1] = (PyObject*)Expression_type;
6938     req_type[2] = (PyObject*)Interactive_type;
6939 
6940     req_name[0] = "Module";
6941     req_name[1] = "Expression";
6942     req_name[2] = "Interactive";
6943 
6944     assert(0 <= mode && mode <= 2);
6945 
6946     init_types();
6947 
6948     isinstance = PyObject_IsInstance(ast, req_type[mode]);
6949     if (isinstance == -1)
6950         return NULL;
6951     if (!isinstance) {
6952         PyErr_Format(PyExc_TypeError, "expected %s node, got %.400s",
6953                      req_name[mode], Py_TYPE(ast)->tp_name);
6954         return NULL;
6955     }
6956     if (obj2ast_mod(ast, &res, arena) != 0)
6957         return NULL;
6958     else
6959         return res;
6960 }
6961 
PyAST_Check(PyObject * obj)6962 int PyAST_Check(PyObject* obj)
6963 {
6964     init_types();
6965     return PyObject_IsInstance(obj, (PyObject*)&AST_type);
6966 }
6967 
6968 
6969