Python-2.7.3/Python/Python-ast.c

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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
 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 *
 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 
 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 
 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 
 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 
 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
 574 static PyObject* ast2obj_bool(bool b)
 575 {
 576     return PyBool_FromLong(b);
 577 }
 578 
 579 static PyObject* ast2obj_int(long b)
 580 {
 581     return PyInt_FromLong(b);
 582 }
 583 
 584 /* Conversion Python -> AST */
 585 
 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 
 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 
 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 
 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 
 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 
 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 
 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
 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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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*
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*
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*
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 
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*
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 
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 }
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 }
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 }
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*
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*
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*
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*
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*
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
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                                 asdl_seq_SET(body, i, value);
3355                         }
3356                         Py_XDECREF(tmp);
3357                         tmp = NULL;
3358                 } else {
3359                         PyErr_SetString(PyExc_TypeError, "required field \"body\" missing from Module");
3360                         return 1;
3361                 }
3362                 *out = Module(body, arena);
3363                 if (*out == NULL) goto failed;
3364                 return 0;
3365         }
3366         isinstance = PyObject_IsInstance(obj, (PyObject*)Interactive_type);
3367         if (isinstance == -1) {
3368                 return 1;
3369         }
3370         if (isinstance) {
3371                 asdl_seq* body;
3372 
3373                 if (PyObject_HasAttrString(obj, "body")) {
3374                         int res;
3375                         Py_ssize_t len;
3376                         Py_ssize_t i;
3377                         tmp = PyObject_GetAttrString(obj, "body");
3378                         if (tmp == NULL) goto failed;
3379                         if (!PyList_Check(tmp)) {
3380                                 PyErr_Format(PyExc_TypeError, "Interactive field \"body\" must be a list, not a %.200s", tmp->ob_type->tp_name);
3381                                 goto failed;
3382                         }
3383                         len = PyList_GET_SIZE(tmp);
3384                         body = asdl_seq_new(len, arena);
3385                         if (body == NULL) goto failed;
3386                         for (i = 0; i < len; i++) {
3387                                 stmt_ty value;
3388                                 res = obj2ast_stmt(PyList_GET_ITEM(tmp, i), &value, arena);
3389                                 if (res != 0) goto failed;
3390                                 asdl_seq_SET(body, i, value);
3391                         }
3392                         Py_XDECREF(tmp);
3393                         tmp = NULL;
3394                 } else {
3395                         PyErr_SetString(PyExc_TypeError, "required field \"body\" missing from Interactive");
3396                         return 1;
3397                 }
3398                 *out = Interactive(body, arena);
3399                 if (*out == NULL) goto failed;
3400                 return 0;
3401         }
3402         isinstance = PyObject_IsInstance(obj, (PyObject*)Expression_type);
3403         if (isinstance == -1) {
3404                 return 1;
3405         }
3406         if (isinstance) {
3407                 expr_ty body;
3408 
3409                 if (PyObject_HasAttrString(obj, "body")) {
3410                         int res;
3411                         tmp = PyObject_GetAttrString(obj, "body");
3412                         if (tmp == NULL) goto failed;
3413                         res = obj2ast_expr(tmp, &body, arena);
3414                         if (res != 0) goto failed;
3415                         Py_XDECREF(tmp);
3416                         tmp = NULL;
3417                 } else {
3418                         PyErr_SetString(PyExc_TypeError, "required field \"body\" missing from Expression");
3419                         return 1;
3420                 }
3421                 *out = Expression(body, arena);
3422                 if (*out == NULL) goto failed;
3423                 return 0;
3424         }
3425         isinstance = PyObject_IsInstance(obj, (PyObject*)Suite_type);
3426         if (isinstance == -1) {
3427                 return 1;
3428         }
3429         if (isinstance) {
3430                 asdl_seq* body;
3431 
3432                 if (PyObject_HasAttrString(obj, "body")) {
3433                         int res;
3434                         Py_ssize_t len;
3435                         Py_ssize_t i;
3436                         tmp = PyObject_GetAttrString(obj, "body");
3437                         if (tmp == NULL) goto failed;
3438                         if (!PyList_Check(tmp)) {
3439                                 PyErr_Format(PyExc_TypeError, "Suite field \"body\" must be a list, not a %.200s", tmp->ob_type->tp_name);
3440                                 goto failed;
3441                         }
3442                         len = PyList_GET_SIZE(tmp);
3443                         body = asdl_seq_new(len, arena);
3444                         if (body == NULL) goto failed;
3445                         for (i = 0; i < len; i++) {
3446                                 stmt_ty value;
3447                                 res = obj2ast_stmt(PyList_GET_ITEM(tmp, i), &value, arena);
3448                                 if (res != 0) goto failed;
3449                                 asdl_seq_SET(body, i, value);
3450                         }
3451                         Py_XDECREF(tmp);
3452                         tmp = NULL;
3453                 } else {
3454                         PyErr_SetString(PyExc_TypeError, "required field \"body\" missing from Suite");
3455                         return 1;
3456                 }
3457                 *out = Suite(body, arena);
3458                 if (*out == NULL) goto failed;
3459                 return 0;
3460         }
3461 
3462         tmp = PyObject_Repr(obj);
3463         if (tmp == NULL) goto failed;
3464         PyErr_Format(PyExc_TypeError, "expected some sort of mod, but got %.400s", PyString_AS_STRING(tmp));
3465 failed:
3466         Py_XDECREF(tmp);
3467         return 1;
3468 }
3469 
3470 int
3471 obj2ast_stmt(PyObject* obj, stmt_ty* out, PyArena* arena)
3472 {
3473         PyObject* tmp = NULL;
3474         int isinstance;
3475 
3476         int lineno;
3477         int col_offset;
3478 
3479         if (obj == Py_None) {
3480                 *out = NULL;
3481                 return 0;
3482         }
3483         if (PyObject_HasAttrString(obj, "lineno")) {
3484                 int res;
3485                 tmp = PyObject_GetAttrString(obj, "lineno");
3486                 if (tmp == NULL) goto failed;
3487                 res = obj2ast_int(tmp, &lineno, arena);
3488                 if (res != 0) goto failed;
3489                 Py_XDECREF(tmp);
3490                 tmp = NULL;
3491         } else {
3492                 PyErr_SetString(PyExc_TypeError, "required field \"lineno\" missing from stmt");
3493                 return 1;
3494         }
3495         if (PyObject_HasAttrString(obj, "col_offset")) {
3496                 int res;
3497                 tmp = PyObject_GetAttrString(obj, "col_offset");
3498                 if (tmp == NULL) goto failed;
3499                 res = obj2ast_int(tmp, &col_offset, arena);
3500                 if (res != 0) goto failed;
3501                 Py_XDECREF(tmp);
3502                 tmp = NULL;
3503         } else {
3504                 PyErr_SetString(PyExc_TypeError, "required field \"col_offset\" missing from stmt");
3505                 return 1;
3506         }
3507         isinstance = PyObject_IsInstance(obj, (PyObject*)FunctionDef_type);
3508         if (isinstance == -1) {
3509                 return 1;
3510         }
3511         if (isinstance) {
3512                 identifier name;
3513                 arguments_ty args;
3514                 asdl_seq* body;
3515                 asdl_seq* decorator_list;
3516 
3517                 if (PyObject_HasAttrString(obj, "name")) {
3518                         int res;
3519                         tmp = PyObject_GetAttrString(obj, "name");
3520                         if (tmp == NULL) goto failed;
3521                         res = obj2ast_identifier(tmp, &name, arena);
3522                         if (res != 0) goto failed;
3523                         Py_XDECREF(tmp);
3524                         tmp = NULL;
3525                 } else {
3526                         PyErr_SetString(PyExc_TypeError, "required field \"name\" missing from FunctionDef");
3527                         return 1;
3528                 }
3529                 if (PyObject_HasAttrString(obj, "args")) {
3530                         int res;
3531                         tmp = PyObject_GetAttrString(obj, "args");
3532                         if (tmp == NULL) goto failed;
3533                         res = obj2ast_arguments(tmp, &args, arena);
3534                         if (res != 0) goto failed;
3535                         Py_XDECREF(tmp);
3536                         tmp = NULL;
3537                 } else {
3538                         PyErr_SetString(PyExc_TypeError, "required field \"args\" missing from FunctionDef");
3539                         return 1;
3540                 }
3541                 if (PyObject_HasAttrString(obj, "body")) {
3542                         int res;
3543                         Py_ssize_t len;
3544                         Py_ssize_t i;
3545                         tmp = PyObject_GetAttrString(obj, "body");
3546                         if (tmp == NULL) goto failed;
3547                         if (!PyList_Check(tmp)) {
3548                                 PyErr_Format(PyExc_TypeError, "FunctionDef field \"body\" must be a list, not a %.200s", tmp->ob_type->tp_name);
3549                                 goto failed;
3550                         }
3551                         len = PyList_GET_SIZE(tmp);
3552                         body = asdl_seq_new(len, arena);
3553                         if (body == NULL) goto failed;
3554                         for (i = 0; i < len; i++) {
3555                                 stmt_ty value;
3556                                 res = obj2ast_stmt(PyList_GET_ITEM(tmp, i), &value, arena);
3557                                 if (res != 0) goto failed;
3558                                 asdl_seq_SET(body, i, value);
3559                         }
3560                         Py_XDECREF(tmp);
3561                         tmp = NULL;
3562                 } else {
3563                         PyErr_SetString(PyExc_TypeError, "required field \"body\" missing from FunctionDef");
3564                         return 1;
3565                 }
3566                 if (PyObject_HasAttrString(obj, "decorator_list")) {
3567                         int res;
3568                         Py_ssize_t len;
3569                         Py_ssize_t i;
3570                         tmp = PyObject_GetAttrString(obj, "decorator_list");
3571                         if (tmp == NULL) goto failed;
3572                         if (!PyList_Check(tmp)) {
3573                                 PyErr_Format(PyExc_TypeError, "FunctionDef field \"decorator_list\" must be a list, not a %.200s", tmp->ob_type->tp_name);
3574                                 goto failed;
3575                         }
3576                         len = PyList_GET_SIZE(tmp);
3577                         decorator_list = asdl_seq_new(len, arena);
3578                         if (decorator_list == NULL) goto failed;
3579                         for (i = 0; i < len; i++) {
3580                                 expr_ty value;
3581                                 res = obj2ast_expr(PyList_GET_ITEM(tmp, i), &value, arena);
3582                                 if (res != 0) goto failed;
3583                                 asdl_seq_SET(decorator_list, i, value);
3584                         }
3585                         Py_XDECREF(tmp);
3586                         tmp = NULL;
3587                 } else {
3588                         PyErr_SetString(PyExc_TypeError, "required field \"decorator_list\" missing from FunctionDef");
3589                         return 1;
3590                 }
3591                 *out = FunctionDef(name, args, body, decorator_list, lineno,
3592                                    col_offset, arena);
3593                 if (*out == NULL) goto failed;
3594                 return 0;
3595         }
3596         isinstance = PyObject_IsInstance(obj, (PyObject*)ClassDef_type);
3597         if (isinstance == -1) {
3598                 return 1;
3599         }
3600         if (isinstance) {
3601                 identifier name;
3602                 asdl_seq* bases;
3603                 asdl_seq* body;
3604                 asdl_seq* decorator_list;
3605 
3606                 if (PyObject_HasAttrString(obj, "name")) {
3607                         int res;
3608                         tmp = PyObject_GetAttrString(obj, "name");
3609                         if (tmp == NULL) goto failed;
3610                         res = obj2ast_identifier(tmp, &name, arena);
3611                         if (res != 0) goto failed;
3612                         Py_XDECREF(tmp);
3613                         tmp = NULL;
3614                 } else {
3615                         PyErr_SetString(PyExc_TypeError, "required field \"name\" missing from ClassDef");
3616                         return 1;
3617                 }
3618                 if (PyObject_HasAttrString(obj, "bases")) {
3619                         int res;
3620                         Py_ssize_t len;
3621                         Py_ssize_t i;
3622                         tmp = PyObject_GetAttrString(obj, "bases");
3623                         if (tmp == NULL) goto failed;
3624                         if (!PyList_Check(tmp)) {
3625                                 PyErr_Format(PyExc_TypeError, "ClassDef field \"bases\" must be a list, not a %.200s", tmp->ob_type->tp_name);
3626                                 goto failed;
3627                         }
3628                         len = PyList_GET_SIZE(tmp);
3629                         bases = asdl_seq_new(len, arena);
3630                         if (bases == NULL) goto failed;
3631                         for (i = 0; i < len; i++) {
3632                                 expr_ty value;
3633                                 res = obj2ast_expr(PyList_GET_ITEM(tmp, i), &value, arena);
3634                                 if (res != 0) goto failed;
3635                                 asdl_seq_SET(bases, i, value);
3636                         }
3637                         Py_XDECREF(tmp);
3638                         tmp = NULL;
3639                 } else {
3640                         PyErr_SetString(PyExc_TypeError, "required field \"bases\" missing from ClassDef");
3641                         return 1;
3642                 }
3643                 if (PyObject_HasAttrString(obj, "body")) {
3644                         int res;
3645                         Py_ssize_t len;
3646                         Py_ssize_t i;
3647                         tmp = PyObject_GetAttrString(obj, "body");
3648                         if (tmp == NULL) goto failed;
3649                         if (!PyList_Check(tmp)) {
3650                                 PyErr_Format(PyExc_TypeError, "ClassDef field \"body\" must be a list, not a %.200s", tmp->ob_type->tp_name);
3651                                 goto failed;
3652                         }
3653                         len = PyList_GET_SIZE(tmp);
3654                         body = asdl_seq_new(len, arena);
3655                         if (body == NULL) goto failed;
3656                         for (i = 0; i < len; i++) {
3657                                 stmt_ty value;
3658                                 res = obj2ast_stmt(PyList_GET_ITEM(tmp, i), &value, arena);
3659                                 if (res != 0) goto failed;
3660                                 asdl_seq_SET(body, i, value);
3661                         }
3662                         Py_XDECREF(tmp);
3663                         tmp = NULL;
3664                 } else {
3665                         PyErr_SetString(PyExc_TypeError, "required field \"body\" missing from ClassDef");
3666                         return 1;
3667                 }
3668                 if (PyObject_HasAttrString(obj, "decorator_list")) {
3669                         int res;
3670                         Py_ssize_t len;
3671                         Py_ssize_t i;
3672                         tmp = PyObject_GetAttrString(obj, "decorator_list");
3673                         if (tmp == NULL) goto failed;
3674                         if (!PyList_Check(tmp)) {
3675                                 PyErr_Format(PyExc_TypeError, "ClassDef field \"decorator_list\" must be a list, not a %.200s", tmp->ob_type->tp_name);
3676                                 goto failed;
3677                         }
3678                         len = PyList_GET_SIZE(tmp);
3679                         decorator_list = asdl_seq_new(len, arena);
3680                         if (decorator_list == NULL) goto failed;
3681                         for (i = 0; i < len; i++) {
3682                                 expr_ty value;
3683                                 res = obj2ast_expr(PyList_GET_ITEM(tmp, i), &value, arena);
3684                                 if (res != 0) goto failed;
3685                                 asdl_seq_SET(decorator_list, i, value);
3686                         }
3687                         Py_XDECREF(tmp);
3688                         tmp = NULL;
3689                 } else {
3690                         PyErr_SetString(PyExc_TypeError, "required field \"decorator_list\" missing from ClassDef");
3691                         return 1;
3692                 }
3693                 *out = ClassDef(name, bases, body, decorator_list, lineno,
3694                                 col_offset, arena);
3695                 if (*out == NULL) goto failed;
3696                 return 0;
3697         }
3698         isinstance = PyObject_IsInstance(obj, (PyObject*)Return_type);
3699         if (isinstance == -1) {
3700                 return 1;
3701         }
3702         if (isinstance) {
3703                 expr_ty value;
3704 
3705                 if (PyObject_HasAttrString(obj, "value")) {
3706                         int res;
3707                         tmp = PyObject_GetAttrString(obj, "value");
3708                         if (tmp == NULL) goto failed;
3709                         res = obj2ast_expr(tmp, &value, arena);
3710                         if (res != 0) goto failed;
3711                         Py_XDECREF(tmp);
3712                         tmp = NULL;
3713                 } else {
3714                         value = NULL;
3715                 }
3716                 *out = Return(value, lineno, col_offset, arena);
3717                 if (*out == NULL) goto failed;
3718                 return 0;
3719         }
3720         isinstance = PyObject_IsInstance(obj, (PyObject*)Delete_type);
3721         if (isinstance == -1) {
3722                 return 1;
3723         }
3724         if (isinstance) {
3725                 asdl_seq* targets;
3726 
3727                 if (PyObject_HasAttrString(obj, "targets")) {
3728                         int res;
3729                         Py_ssize_t len;
3730                         Py_ssize_t i;
3731                         tmp = PyObject_GetAttrString(obj, "targets");
3732                         if (tmp == NULL) goto failed;
3733                         if (!PyList_Check(tmp)) {
3734                                 PyErr_Format(PyExc_TypeError, "Delete field \"targets\" must be a list, not a %.200s", tmp->ob_type->tp_name);
3735                                 goto failed;
3736                         }
3737                         len = PyList_GET_SIZE(tmp);
3738                         targets = asdl_seq_new(len, arena);
3739                         if (targets == NULL) goto failed;
3740                         for (i = 0; i < len; i++) {
3741                                 expr_ty value;
3742                                 res = obj2ast_expr(PyList_GET_ITEM(tmp, i), &value, arena);
3743                                 if (res != 0) goto failed;
3744                                 asdl_seq_SET(targets, i, value);
3745                         }
3746                         Py_XDECREF(tmp);
3747                         tmp = NULL;
3748                 } else {
3749                         PyErr_SetString(PyExc_TypeError, "required field \"targets\" missing from Delete");
3750                         return 1;
3751                 }
3752                 *out = Delete(targets, lineno, col_offset, arena);
3753                 if (*out == NULL) goto failed;
3754                 return 0;
3755         }
3756         isinstance = PyObject_IsInstance(obj, (PyObject*)Assign_type);
3757         if (isinstance == -1) {
3758                 return 1;
3759         }
3760         if (isinstance) {
3761                 asdl_seq* targets;
3762                 expr_ty value;
3763 
3764                 if (PyObject_HasAttrString(obj, "targets")) {
3765                         int res;
3766                         Py_ssize_t len;
3767                         Py_ssize_t i;
3768                         tmp = PyObject_GetAttrString(obj, "targets");
3769                         if (tmp == NULL) goto failed;
3770                         if (!PyList_Check(tmp)) {
3771                                 PyErr_Format(PyExc_TypeError, "Assign field \"targets\" must be a list, not a %.200s", tmp->ob_type->tp_name);
3772                                 goto failed;
3773                         }
3774                         len = PyList_GET_SIZE(tmp);
3775                         targets = asdl_seq_new(len, arena);
3776                         if (targets == NULL) goto failed;
3777                         for (i = 0; i < len; i++) {
3778                                 expr_ty value;
3779                                 res = obj2ast_expr(PyList_GET_ITEM(tmp, i), &value, arena);
3780                                 if (res != 0) goto failed;
3781                                 asdl_seq_SET(targets, i, value);
3782                         }
3783                         Py_XDECREF(tmp);
3784                         tmp = NULL;
3785                 } else {
3786                         PyErr_SetString(PyExc_TypeError, "required field \"targets\" missing from Assign");
3787                         return 1;
3788                 }
3789                 if (PyObject_HasAttrString(obj, "value")) {
3790                         int res;
3791                         tmp = PyObject_GetAttrString(obj, "value");
3792                         if (tmp == NULL) goto failed;
3793                         res = obj2ast_expr(tmp, &value, arena);
3794                         if (res != 0) goto failed;
3795                         Py_XDECREF(tmp);
3796                         tmp = NULL;
3797                 } else {
3798                         PyErr_SetString(PyExc_TypeError, "required field \"value\" missing from Assign");
3799                         return 1;
3800                 }
3801                 *out = Assign(targets, value, lineno, col_offset, arena);
3802                 if (*out == NULL) goto failed;
3803                 return 0;
3804         }
3805         isinstance = PyObject_IsInstance(obj, (PyObject*)AugAssign_type);
3806         if (isinstance == -1) {
3807                 return 1;
3808         }
3809         if (isinstance) {
3810                 expr_ty target;
3811                 operator_ty op;
3812                 expr_ty value;
3813 
3814                 if (PyObject_HasAttrString(obj, "target")) {
3815                         int res;
3816                         tmp = PyObject_GetAttrString(obj, "target");
3817                         if (tmp == NULL) goto failed;
3818                         res = obj2ast_expr(tmp, &target, arena);
3819                         if (res != 0) goto failed;
3820                         Py_XDECREF(tmp);
3821                         tmp = NULL;
3822                 } else {
3823                         PyErr_SetString(PyExc_TypeError, "required field \"target\" missing from AugAssign");
3824                         return 1;
3825                 }
3826                 if (PyObject_HasAttrString(obj, "op")) {
3827                         int res;
3828                         tmp = PyObject_GetAttrString(obj, "op");
3829                         if (tmp == NULL) goto failed;
3830                         res = obj2ast_operator(tmp, &op, arena);
3831                         if (res != 0) goto failed;
3832                         Py_XDECREF(tmp);
3833                         tmp = NULL;
3834                 } else {
3835                         PyErr_SetString(PyExc_TypeError, "required field \"op\" missing from AugAssign");
3836                         return 1;
3837                 }
3838                 if (PyObject_HasAttrString(obj, "value")) {
3839                         int res;
3840                         tmp = PyObject_GetAttrString(obj, "value");
3841                         if (tmp == NULL) goto failed;
3842                         res = obj2ast_expr(tmp, &value, arena);
3843                         if (res != 0) goto failed;
3844                         Py_XDECREF(tmp);
3845                         tmp = NULL;
3846                 } else {
3847                         PyErr_SetString(PyExc_TypeError, "required field \"value\" missing from AugAssign");
3848                         return 1;
3849                 }
3850                 *out = AugAssign(target, op, value, lineno, col_offset, arena);
3851                 if (*out == NULL) goto failed;
3852                 return 0;
3853         }
3854         isinstance = PyObject_IsInstance(obj, (PyObject*)Print_type);
3855         if (isinstance == -1) {
3856                 return 1;
3857         }
3858         if (isinstance) {
3859                 expr_ty dest;
3860                 asdl_seq* values;
3861                 bool nl;
3862 
3863                 if (PyObject_HasAttrString(obj, "dest")) {
3864                         int res;
3865                         tmp = PyObject_GetAttrString(obj, "dest");
3866                         if (tmp == NULL) goto failed;
3867                         res = obj2ast_expr(tmp, &dest, arena);
3868                         if (res != 0) goto failed;
3869                         Py_XDECREF(tmp);
3870                         tmp = NULL;
3871                 } else {
3872                         dest = NULL;
3873                 }
3874                 if (PyObject_HasAttrString(obj, "values")) {
3875                         int res;
3876                         Py_ssize_t len;
3877                         Py_ssize_t i;
3878                         tmp = PyObject_GetAttrString(obj, "values");
3879                         if (tmp == NULL) goto failed;
3880                         if (!PyList_Check(tmp)) {
3881                                 PyErr_Format(PyExc_TypeError, "Print field \"values\" must be a list, not a %.200s", tmp->ob_type->tp_name);
3882                                 goto failed;
3883                         }
3884                         len = PyList_GET_SIZE(tmp);
3885                         values = asdl_seq_new(len, arena);
3886                         if (values == NULL) goto failed;
3887                         for (i = 0; i < len; i++) {
3888                                 expr_ty value;
3889                                 res = obj2ast_expr(PyList_GET_ITEM(tmp, i), &value, arena);
3890                                 if (res != 0) goto failed;
3891                                 asdl_seq_SET(values, i, value);
3892                         }
3893                         Py_XDECREF(tmp);
3894                         tmp = NULL;
3895                 } else {
3896                         PyErr_SetString(PyExc_TypeError, "required field \"values\" missing from Print");
3897                         return 1;
3898                 }
3899                 if (PyObject_HasAttrString(obj, "nl")) {
3900                         int res;
3901                         tmp = PyObject_GetAttrString(obj, "nl");
3902                         if (tmp == NULL) goto failed;
3903                         res = obj2ast_bool(tmp, &nl, arena);
3904                         if (res != 0) goto failed;
3905                         Py_XDECREF(tmp);
3906                         tmp = NULL;
3907                 } else {
3908                         PyErr_SetString(PyExc_TypeError, "required field \"nl\" missing from Print");
3909                         return 1;
3910                 }
3911                 *out = Print(dest, values, nl, lineno, col_offset, arena);
3912                 if (*out == NULL) goto failed;
3913                 return 0;
3914         }
3915         isinstance = PyObject_IsInstance(obj, (PyObject*)For_type);
3916         if (isinstance == -1) {
3917                 return 1;
3918         }
3919         if (isinstance) {
3920                 expr_ty target;
3921                 expr_ty iter;
3922                 asdl_seq* body;
3923                 asdl_seq* orelse;
3924 
3925                 if (PyObject_HasAttrString(obj, "target")) {
3926                         int res;
3927                         tmp = PyObject_GetAttrString(obj, "target");
3928                         if (tmp == NULL) goto failed;
3929                         res = obj2ast_expr(tmp, &target, arena);
3930                         if (res != 0) goto failed;
3931                         Py_XDECREF(tmp);
3932                         tmp = NULL;
3933                 } else {
3934                         PyErr_SetString(PyExc_TypeError, "required field \"target\" missing from For");
3935                         return 1;
3936                 }
3937                 if (PyObject_HasAttrString(obj, "iter")) {
3938                         int res;
3939                         tmp = PyObject_GetAttrString(obj, "iter");
3940                         if (tmp == NULL) goto failed;
3941                         res = obj2ast_expr(tmp, &iter, arena);
3942                         if (res != 0) goto failed;
3943                         Py_XDECREF(tmp);
3944                         tmp = NULL;
3945                 } else {
3946                         PyErr_SetString(PyExc_TypeError, "required field \"iter\" missing from For");
3947                         return 1;
3948                 }
3949                 if (PyObject_HasAttrString(obj, "body")) {
3950                         int res;
3951                         Py_ssize_t len;
3952                         Py_ssize_t i;
3953                         tmp = PyObject_GetAttrString(obj, "body");
3954                         if (tmp == NULL) goto failed;
3955                         if (!PyList_Check(tmp)) {
3956                                 PyErr_Format(PyExc_TypeError, "For field \"body\" must be a list, not a %.200s", tmp->ob_type->tp_name);
3957                                 goto failed;
3958                         }
3959                         len = PyList_GET_SIZE(tmp);
3960                         body = asdl_seq_new(len, arena);
3961                         if (body == NULL) goto failed;
3962                         for (i = 0; i < len; i++) {
3963                                 stmt_ty value;
3964                                 res = obj2ast_stmt(PyList_GET_ITEM(tmp, i), &value, arena);
3965                                 if (res != 0) goto failed;
3966                                 asdl_seq_SET(body, i, value);
3967                         }
3968                         Py_XDECREF(tmp);
3969                         tmp = NULL;
3970                 } else {
3971                         PyErr_SetString(PyExc_TypeError, "required field \"body\" missing from For");
3972                         return 1;
3973                 }
3974                 if (PyObject_HasAttrString(obj, "orelse")) {
3975                         int res;
3976                         Py_ssize_t len;
3977                         Py_ssize_t i;
3978                         tmp = PyObject_GetAttrString(obj, "orelse");
3979                         if (tmp == NULL) goto failed;
3980                         if (!PyList_Check(tmp)) {
3981                                 PyErr_Format(PyExc_TypeError, "For field \"orelse\" must be a list, not a %.200s", tmp->ob_type->tp_name);
3982                                 goto failed;
3983                         }
3984                         len = PyList_GET_SIZE(tmp);
3985                         orelse = asdl_seq_new(len, arena);
3986                         if (orelse == NULL) goto failed;
3987                         for (i = 0; i < len; i++) {
3988                                 stmt_ty value;
3989                                 res = obj2ast_stmt(PyList_GET_ITEM(tmp, i), &value, arena);
3990                                 if (res != 0) goto failed;
3991                                 asdl_seq_SET(orelse, i, value);
3992                         }
3993                         Py_XDECREF(tmp);
3994                         tmp = NULL;
3995                 } else {
3996                         PyErr_SetString(PyExc_TypeError, "required field \"orelse\" missing from For");
3997                         return 1;
3998                 }
3999                 *out = For(target, iter, body, orelse, lineno, col_offset,
4000                            arena);
4001                 if (*out == NULL) goto failed;
4002                 return 0;
4003         }
4004         isinstance = PyObject_IsInstance(obj, (PyObject*)While_type);
4005         if (isinstance == -1) {
4006                 return 1;
4007         }
4008         if (isinstance) {
4009                 expr_ty test;
4010                 asdl_seq* body;
4011                 asdl_seq* orelse;
4012 
4013                 if (PyObject_HasAttrString(obj, "test")) {
4014                         int res;
4015                         tmp = PyObject_GetAttrString(obj, "test");
4016                         if (tmp == NULL) goto failed;
4017                         res = obj2ast_expr(tmp, &test, arena);
4018                         if (res != 0) goto failed;
4019                         Py_XDECREF(tmp);
4020                         tmp = NULL;
4021                 } else {
4022                         PyErr_SetString(PyExc_TypeError, "required field \"test\" missing from While");
4023                         return 1;
4024                 }
4025                 if (PyObject_HasAttrString(obj, "body")) {
4026                         int res;
4027                         Py_ssize_t len;
4028                         Py_ssize_t i;
4029                         tmp = PyObject_GetAttrString(obj, "body");
4030                         if (tmp == NULL) goto failed;
4031                         if (!PyList_Check(tmp)) {
4032                                 PyErr_Format(PyExc_TypeError, "While field \"body\" must be a list, not a %.200s", tmp->ob_type->tp_name);
4033                                 goto failed;
4034                         }
4035                         len = PyList_GET_SIZE(tmp);
4036                         body = asdl_seq_new(len, arena);
4037                         if (body == NULL) goto failed;
4038                         for (i = 0; i < len; i++) {
4039                                 stmt_ty value;
4040                                 res = obj2ast_stmt(PyList_GET_ITEM(tmp, i), &value, arena);
4041                                 if (res != 0) goto failed;
4042                                 asdl_seq_SET(body, i, value);
4043                         }
4044                         Py_XDECREF(tmp);
4045                         tmp = NULL;
4046                 } else {
4047                         PyErr_SetString(PyExc_TypeError, "required field \"body\" missing from While");
4048                         return 1;
4049                 }
4050                 if (PyObject_HasAttrString(obj, "orelse")) {
4051                         int res;
4052                         Py_ssize_t len;
4053                         Py_ssize_t i;
4054                         tmp = PyObject_GetAttrString(obj, "orelse");
4055                         if (tmp == NULL) goto failed;
4056                         if (!PyList_Check(tmp)) {
4057                                 PyErr_Format(PyExc_TypeError, "While field \"orelse\" must be a list, not a %.200s", tmp->ob_type->tp_name);
4058                                 goto failed;
4059                         }
4060                         len = PyList_GET_SIZE(tmp);
4061                         orelse = asdl_seq_new(len, arena);
4062                         if (orelse == NULL) goto failed;
4063                         for (i = 0; i < len; i++) {
4064                                 stmt_ty value;
4065                                 res = obj2ast_stmt(PyList_GET_ITEM(tmp, i), &value, arena);
4066                                 if (res != 0) goto failed;
4067                                 asdl_seq_SET(orelse, i, value);
4068                         }
4069                         Py_XDECREF(tmp);
4070                         tmp = NULL;
4071                 } else {
4072                         PyErr_SetString(PyExc_TypeError, "required field \"orelse\" missing from While");
4073                         return 1;
4074                 }
4075                 *out = While(test, body, orelse, lineno, col_offset, arena);
4076                 if (*out == NULL) goto failed;
4077                 return 0;
4078         }
4079         isinstance = PyObject_IsInstance(obj, (PyObject*)If_type);
4080         if (isinstance == -1) {
4081                 return 1;
4082         }
4083         if (isinstance) {
4084                 expr_ty test;
4085                 asdl_seq* body;
4086                 asdl_seq* orelse;
4087 
4088                 if (PyObject_HasAttrString(obj, "test")) {
4089                         int res;
4090                         tmp = PyObject_GetAttrString(obj, "test");
4091                         if (tmp == NULL) goto failed;
4092                         res = obj2ast_expr(tmp, &test, arena);
4093                         if (res != 0) goto failed;
4094                         Py_XDECREF(tmp);
4095                         tmp = NULL;
4096                 } else {
4097                         PyErr_SetString(PyExc_TypeError, "required field \"test\" missing from If");
4098                         return 1;
4099                 }
4100                 if (PyObject_HasAttrString(obj, "body")) {
4101                         int res;
4102                         Py_ssize_t len;
4103                         Py_ssize_t i;
4104                         tmp = PyObject_GetAttrString(obj, "body");
4105                         if (tmp == NULL) goto failed;
4106                         if (!PyList_Check(tmp)) {
4107                                 PyErr_Format(PyExc_TypeError, "If field \"body\" must be a list, not a %.200s", tmp->ob_type->tp_name);
4108                                 goto failed;
4109                         }
4110                         len = PyList_GET_SIZE(tmp);
4111                         body = asdl_seq_new(len, arena);
4112                         if (body == NULL) goto failed;
4113                         for (i = 0; i < len; i++) {
4114                                 stmt_ty value;
4115                                 res = obj2ast_stmt(PyList_GET_ITEM(tmp, i), &value, arena);
4116                                 if (res != 0) goto failed;
4117                                 asdl_seq_SET(body, i, value);
4118                         }
4119                         Py_XDECREF(tmp);
4120                         tmp = NULL;
4121                 } else {
4122                         PyErr_SetString(PyExc_TypeError, "required field \"body\" missing from If");
4123                         return 1;
4124                 }
4125                 if (PyObject_HasAttrString(obj, "orelse")) {
4126                         int res;
4127                         Py_ssize_t len;
4128                         Py_ssize_t i;
4129                         tmp = PyObject_GetAttrString(obj, "orelse");
4130                         if (tmp == NULL) goto failed;
4131                         if (!PyList_Check(tmp)) {
4132                                 PyErr_Format(PyExc_TypeError, "If field \"orelse\" must be a list, not a %.200s", tmp->ob_type->tp_name);
4133                                 goto failed;
4134                         }
4135                         len = PyList_GET_SIZE(tmp);
4136                         orelse = asdl_seq_new(len, arena);
4137                         if (orelse == NULL) goto failed;
4138                         for (i = 0; i < len; i++) {
4139                                 stmt_ty value;
4140                                 res = obj2ast_stmt(PyList_GET_ITEM(tmp, i), &value, arena);
4141                                 if (res != 0) goto failed;
4142                                 asdl_seq_SET(orelse, i, value);
4143                         }
4144                         Py_XDECREF(tmp);
4145                         tmp = NULL;
4146                 } else {
4147                         PyErr_SetString(PyExc_TypeError, "required field \"orelse\" missing from If");
4148                         return 1;
4149                 }
4150                 *out = If(test, body, orelse, lineno, col_offset, arena);
4151                 if (*out == NULL) goto failed;
4152                 return 0;
4153         }
4154         isinstance = PyObject_IsInstance(obj, (PyObject*)With_type);
4155         if (isinstance == -1) {
4156                 return 1;
4157         }
4158         if (isinstance) {
4159                 expr_ty context_expr;
4160                 expr_ty optional_vars;
4161                 asdl_seq* body;
4162 
4163                 if (PyObject_HasAttrString(obj, "context_expr")) {
4164                         int res;
4165                         tmp = PyObject_GetAttrString(obj, "context_expr");
4166                         if (tmp == NULL) goto failed;
4167                         res = obj2ast_expr(tmp, &context_expr, arena);
4168                         if (res != 0) goto failed;
4169                         Py_XDECREF(tmp);
4170                         tmp = NULL;
4171                 } else {
4172                         PyErr_SetString(PyExc_TypeError, "required field \"context_expr\" missing from With");
4173                         return 1;
4174                 }
4175                 if (PyObject_HasAttrString(obj, "optional_vars")) {
4176                         int res;
4177                         tmp = PyObject_GetAttrString(obj, "optional_vars");
4178                         if (tmp == NULL) goto failed;
4179                         res = obj2ast_expr(tmp, &optional_vars, arena);
4180                         if (res != 0) goto failed;
4181                         Py_XDECREF(tmp);
4182                         tmp = NULL;
4183                 } else {
4184                         optional_vars = NULL;
4185                 }
4186                 if (PyObject_HasAttrString(obj, "body")) {
4187                         int res;
4188                         Py_ssize_t len;
4189                         Py_ssize_t i;
4190                         tmp = PyObject_GetAttrString(obj, "body");
4191                         if (tmp == NULL) goto failed;
4192                         if (!PyList_Check(tmp)) {
4193                                 PyErr_Format(PyExc_TypeError, "With field \"body\" must be a list, not a %.200s", tmp->ob_type->tp_name);
4194                                 goto failed;
4195                         }
4196                         len = PyList_GET_SIZE(tmp);
4197                         body = asdl_seq_new(len, arena);
4198                         if (body == NULL) goto failed;
4199                         for (i = 0; i < len; i++) {
4200                                 stmt_ty value;
4201                                 res = obj2ast_stmt(PyList_GET_ITEM(tmp, i), &value, arena);
4202                                 if (res != 0) goto failed;
4203                                 asdl_seq_SET(body, i, value);
4204                         }
4205                         Py_XDECREF(tmp);
4206                         tmp = NULL;
4207                 } else {
4208                         PyErr_SetString(PyExc_TypeError, "required field \"body\" missing from With");
4209                         return 1;
4210                 }
4211                 *out = With(context_expr, optional_vars, body, lineno,
4212                             col_offset, arena);
4213                 if (*out == NULL) goto failed;
4214                 return 0;
4215         }
4216         isinstance = PyObject_IsInstance(obj, (PyObject*)Raise_type);
4217         if (isinstance == -1) {
4218                 return 1;
4219         }
4220         if (isinstance) {
4221                 expr_ty type;
4222                 expr_ty inst;
4223                 expr_ty tback;
4224 
4225                 if (PyObject_HasAttrString(obj, "type")) {
4226                         int res;
4227                         tmp = PyObject_GetAttrString(obj, "type");
4228                         if (tmp == NULL) goto failed;
4229                         res = obj2ast_expr(tmp, &type, arena);
4230                         if (res != 0) goto failed;
4231                         Py_XDECREF(tmp);
4232                         tmp = NULL;
4233                 } else {
4234                         type = NULL;
4235                 }
4236                 if (PyObject_HasAttrString(obj, "inst")) {
4237                         int res;
4238                         tmp = PyObject_GetAttrString(obj, "inst");
4239                         if (tmp == NULL) goto failed;
4240                         res = obj2ast_expr(tmp, &inst, arena);
4241                         if (res != 0) goto failed;
4242                         Py_XDECREF(tmp);
4243                         tmp = NULL;
4244                 } else {
4245                         inst = NULL;
4246                 }
4247                 if (PyObject_HasAttrString(obj, "tback")) {
4248                         int res;
4249                         tmp = PyObject_GetAttrString(obj, "tback");
4250                         if (tmp == NULL) goto failed;
4251                         res = obj2ast_expr(tmp, &tback, arena);
4252                         if (res != 0) goto failed;
4253                         Py_XDECREF(tmp);
4254                         tmp = NULL;
4255                 } else {
4256                         tback = NULL;
4257                 }
4258                 *out = Raise(type, inst, tback, lineno, col_offset, arena);
4259                 if (*out == NULL) goto failed;
4260                 return 0;
4261         }
4262         isinstance = PyObject_IsInstance(obj, (PyObject*)TryExcept_type);
4263         if (isinstance == -1) {
4264                 return 1;
4265         }
4266         if (isinstance) {
4267                 asdl_seq* body;
4268                 asdl_seq* handlers;
4269                 asdl_seq* orelse;
4270 
4271                 if (PyObject_HasAttrString(obj, "body")) {
4272                         int res;
4273                         Py_ssize_t len;
4274                         Py_ssize_t i;
4275                         tmp = PyObject_GetAttrString(obj, "body");
4276                         if (tmp == NULL) goto failed;
4277                         if (!PyList_Check(tmp)) {
4278                                 PyErr_Format(PyExc_TypeError, "TryExcept field \"body\" must be a list, not a %.200s", tmp->ob_type->tp_name);
4279                                 goto failed;
4280                         }
4281                         len = PyList_GET_SIZE(tmp);
4282                         body = asdl_seq_new(len, arena);
4283                         if (body == NULL) goto failed;
4284                         for (i = 0; i < len; i++) {
4285                                 stmt_ty value;
4286                                 res = obj2ast_stmt(PyList_GET_ITEM(tmp, i), &value, arena);
4287                                 if (res != 0) goto failed;
4288                                 asdl_seq_SET(body, i, value);
4289                         }
4290                         Py_XDECREF(tmp);
4291                         tmp = NULL;
4292                 } else {
4293                         PyErr_SetString(PyExc_TypeError, "required field \"body\" missing from TryExcept");
4294                         return 1;
4295                 }
4296                 if (PyObject_HasAttrString(obj, "handlers")) {
4297                         int res;
4298                         Py_ssize_t len;
4299                         Py_ssize_t i;
4300                         tmp = PyObject_GetAttrString(obj, "handlers");
4301                         if (tmp == NULL) goto failed;
4302                         if (!PyList_Check(tmp)) {
4303                                 PyErr_Format(PyExc_TypeError, "TryExcept field \"handlers\" must be a list, not a %.200s", tmp->ob_type->tp_name);
4304                                 goto failed;
4305                         }
4306                         len = PyList_GET_SIZE(tmp);
4307                         handlers = asdl_seq_new(len, arena);
4308                         if (handlers == NULL) goto failed;
4309                         for (i = 0; i < len; i++) {
4310                                 excepthandler_ty value;
4311                                 res = obj2ast_excepthandler(PyList_GET_ITEM(tmp, i), &value, arena);
4312                                 if (res != 0) goto failed;
4313                                 asdl_seq_SET(handlers, i, value);
4314                         }
4315                         Py_XDECREF(tmp);
4316                         tmp = NULL;
4317                 } else {
4318                         PyErr_SetString(PyExc_TypeError, "required field \"handlers\" missing from TryExcept");
4319                         return 1;
4320                 }
4321                 if (PyObject_HasAttrString(obj, "orelse")) {
4322                         int res;
4323                         Py_ssize_t len;
4324                         Py_ssize_t i;
4325                         tmp = PyObject_GetAttrString(obj, "orelse");
4326                         if (tmp == NULL) goto failed;
4327                         if (!PyList_Check(tmp)) {
4328                                 PyErr_Format(PyExc_TypeError, "TryExcept field \"orelse\" must be a list, not a %.200s", tmp->ob_type->tp_name);
4329                                 goto failed;
4330                         }
4331                         len = PyList_GET_SIZE(tmp);
4332                         orelse = asdl_seq_new(len, arena);
4333                         if (orelse == NULL) goto failed;
4334                         for (i = 0; i < len; i++) {
4335                                 stmt_ty value;
4336                                 res = obj2ast_stmt(PyList_GET_ITEM(tmp, i), &value, arena);
4337                                 if (res != 0) goto failed;
4338                                 asdl_seq_SET(orelse, i, value);
4339                         }
4340                         Py_XDECREF(tmp);
4341                         tmp = NULL;
4342                 } else {
4343                         PyErr_SetString(PyExc_TypeError, "required field \"orelse\" missing from TryExcept");
4344                         return 1;
4345                 }
4346                 *out = TryExcept(body, handlers, orelse, lineno, col_offset,
4347                                  arena);
4348                 if (*out == NULL) goto failed;
4349                 return 0;
4350         }
4351         isinstance = PyObject_IsInstance(obj, (PyObject*)TryFinally_type);
4352         if (isinstance == -1) {
4353                 return 1;
4354         }
4355         if (isinstance) {
4356                 asdl_seq* body;
4357                 asdl_seq* finalbody;
4358 
4359                 if (PyObject_HasAttrString(obj, "body")) {
4360                         int res;
4361                         Py_ssize_t len;
4362                         Py_ssize_t i;
4363                         tmp = PyObject_GetAttrString(obj, "body");
4364                         if (tmp == NULL) goto failed;
4365                         if (!PyList_Check(tmp)) {
4366                                 PyErr_Format(PyExc_TypeError, "TryFinally field \"body\" must be a list, not a %.200s", tmp->ob_type->tp_name);
4367                                 goto failed;
4368                         }
4369                         len = PyList_GET_SIZE(tmp);
4370                         body = asdl_seq_new(len, arena);
4371                         if (body == NULL) goto failed;
4372                         for (i = 0; i < len; i++) {
4373                                 stmt_ty value;
4374                                 res = obj2ast_stmt(PyList_GET_ITEM(tmp, i), &value, arena);
4375                                 if (res != 0) goto failed;
4376                                 asdl_seq_SET(body, i, value);
4377                         }
4378                         Py_XDECREF(tmp);
4379                         tmp = NULL;
4380                 } else {
4381                         PyErr_SetString(PyExc_TypeError, "required field \"body\" missing from TryFinally");
4382                         return 1;
4383                 }
4384                 if (PyObject_HasAttrString(obj, "finalbody")) {
4385                         int res;
4386                         Py_ssize_t len;
4387                         Py_ssize_t i;
4388                         tmp = PyObject_GetAttrString(obj, "finalbody");
4389                         if (tmp == NULL) goto failed;
4390                         if (!PyList_Check(tmp)) {
4391                                 PyErr_Format(PyExc_TypeError, "TryFinally field \"finalbody\" must be a list, not a %.200s", tmp->ob_type->tp_name);
4392                                 goto failed;
4393                         }
4394                         len = PyList_GET_SIZE(tmp);
4395                         finalbody = asdl_seq_new(len, arena);
4396                         if (finalbody == NULL) goto failed;
4397                         for (i = 0; i < len; i++) {
4398                                 stmt_ty value;
4399                                 res = obj2ast_stmt(PyList_GET_ITEM(tmp, i), &value, arena);
4400                                 if (res != 0) goto failed;
4401                                 asdl_seq_SET(finalbody, i, value);
4402                         }
4403                         Py_XDECREF(tmp);
4404                         tmp = NULL;
4405                 } else {
4406                         PyErr_SetString(PyExc_TypeError, "required field \"finalbody\" missing from TryFinally");
4407                         return 1;
4408                 }
4409                 *out = TryFinally(body, finalbody, lineno, col_offset, arena);
4410                 if (*out == NULL) goto failed;
4411                 return 0;
4412         }
4413         isinstance = PyObject_IsInstance(obj, (PyObject*)Assert_type);
4414         if (isinstance == -1) {
4415                 return 1;
4416         }
4417         if (isinstance) {
4418                 expr_ty test;
4419                 expr_ty msg;
4420 
4421                 if (PyObject_HasAttrString(obj, "test")) {
4422                         int res;
4423                         tmp = PyObject_GetAttrString(obj, "test");
4424                         if (tmp == NULL) goto failed;
4425                         res = obj2ast_expr(tmp, &test, arena);
4426                         if (res != 0) goto failed;
4427                         Py_XDECREF(tmp);
4428                         tmp = NULL;
4429                 } else {
4430                         PyErr_SetString(PyExc_TypeError, "required field \"test\" missing from Assert");
4431                         return 1;
4432                 }
4433                 if (PyObject_HasAttrString(obj, "msg")) {
4434                         int res;
4435                         tmp = PyObject_GetAttrString(obj, "msg");
4436                         if (tmp == NULL) goto failed;
4437                         res = obj2ast_expr(tmp, &msg, arena);
4438                         if (res != 0) goto failed;
4439                         Py_XDECREF(tmp);
4440                         tmp = NULL;
4441                 } else {
4442                         msg = NULL;
4443                 }
4444                 *out = Assert(test, msg, lineno, col_offset, arena);
4445                 if (*out == NULL) goto failed;
4446                 return 0;
4447         }
4448         isinstance = PyObject_IsInstance(obj, (PyObject*)Import_type);
4449         if (isinstance == -1) {
4450                 return 1;
4451         }
4452         if (isinstance) {
4453                 asdl_seq* names;
4454 
4455                 if (PyObject_HasAttrString(obj, "names")) {
4456                         int res;
4457                         Py_ssize_t len;
4458                         Py_ssize_t i;
4459                         tmp = PyObject_GetAttrString(obj, "names");
4460                         if (tmp == NULL) goto failed;
4461                         if (!PyList_Check(tmp)) {
4462                                 PyErr_Format(PyExc_TypeError, "Import field \"names\" must be a list, not a %.200s", tmp->ob_type->tp_name);
4463                                 goto failed;
4464                         }
4465                         len = PyList_GET_SIZE(tmp);
4466                         names = asdl_seq_new(len, arena);
4467                         if (names == NULL) goto failed;
4468                         for (i = 0; i < len; i++) {
4469                                 alias_ty value;
4470                                 res = obj2ast_alias(PyList_GET_ITEM(tmp, i), &value, arena);
4471                                 if (res != 0) goto failed;
4472                                 asdl_seq_SET(names, i, value);
4473                         }
4474                         Py_XDECREF(tmp);
4475                         tmp = NULL;
4476                 } else {
4477                         PyErr_SetString(PyExc_TypeError, "required field \"names\" missing from Import");
4478                         return 1;
4479                 }
4480                 *out = Import(names, lineno, col_offset, arena);
4481                 if (*out == NULL) goto failed;
4482                 return 0;
4483         }
4484         isinstance = PyObject_IsInstance(obj, (PyObject*)ImportFrom_type);
4485         if (isinstance == -1) {
4486                 return 1;
4487         }
4488         if (isinstance) {
4489                 identifier module;
4490                 asdl_seq* names;
4491                 int level;
4492 
4493                 if (PyObject_HasAttrString(obj, "module")) {
4494                         int res;
4495                         tmp = PyObject_GetAttrString(obj, "module");
4496                         if (tmp == NULL) goto failed;
4497                         res = obj2ast_identifier(tmp, &module, arena);
4498                         if (res != 0) goto failed;
4499                         Py_XDECREF(tmp);
4500                         tmp = NULL;
4501                 } else {
4502                         module = NULL;
4503                 }
4504                 if (PyObject_HasAttrString(obj, "names")) {
4505                         int res;
4506                         Py_ssize_t len;
4507                         Py_ssize_t i;
4508                         tmp = PyObject_GetAttrString(obj, "names");
4509                         if (tmp == NULL) goto failed;
4510                         if (!PyList_Check(tmp)) {
4511                                 PyErr_Format(PyExc_TypeError, "ImportFrom field \"names\" must be a list, not a %.200s", tmp->ob_type->tp_name);
4512                                 goto failed;
4513                         }
4514                         len = PyList_GET_SIZE(tmp);
4515                         names = asdl_seq_new(len, arena);
4516                         if (names == NULL) goto failed;
4517                         for (i = 0; i < len; i++) {
4518                                 alias_ty value;
4519                                 res = obj2ast_alias(PyList_GET_ITEM(tmp, i), &value, arena);
4520                                 if (res != 0) goto failed;
4521                                 asdl_seq_SET(names, i, value);
4522                         }
4523                         Py_XDECREF(tmp);
4524                         tmp = NULL;
4525                 } else {
4526                         PyErr_SetString(PyExc_TypeError, "required field \"names\" missing from ImportFrom");
4527                         return 1;
4528                 }
4529                 if (PyObject_HasAttrString(obj, "level")) {
4530                         int res;
4531                         tmp = PyObject_GetAttrString(obj, "level");
4532                         if (tmp == NULL) goto failed;
4533                         res = obj2ast_int(tmp, &level, arena);
4534                         if (res != 0) goto failed;
4535                         Py_XDECREF(tmp);
4536                         tmp = NULL;
4537                 } else {
4538                         level = 0;
4539                 }
4540                 *out = ImportFrom(module, names, level, lineno, col_offset,
4541                                   arena);
4542                 if (*out == NULL) goto failed;
4543                 return 0;
4544         }
4545         isinstance = PyObject_IsInstance(obj, (PyObject*)Exec_type);
4546         if (isinstance == -1) {
4547                 return 1;
4548         }
4549         if (isinstance) {
4550                 expr_ty body;
4551                 expr_ty globals;
4552                 expr_ty locals;
4553 
4554                 if (PyObject_HasAttrString(obj, "body")) {
4555                         int res;
4556                         tmp = PyObject_GetAttrString(obj, "body");
4557                         if (tmp == NULL) goto failed;
4558                         res = obj2ast_expr(tmp, &body, arena);
4559                         if (res != 0) goto failed;
4560                         Py_XDECREF(tmp);
4561                         tmp = NULL;
4562                 } else {
4563                         PyErr_SetString(PyExc_TypeError, "required field \"body\" missing from Exec");
4564                         return 1;
4565                 }
4566                 if (PyObject_HasAttrString(obj, "globals")) {
4567                         int res;
4568                         tmp = PyObject_GetAttrString(obj, "globals");
4569                         if (tmp == NULL) goto failed;
4570                         res = obj2ast_expr(tmp, &globals, arena);
4571                         if (res != 0) goto failed;
4572                         Py_XDECREF(tmp);
4573                         tmp = NULL;
4574                 } else {
4575                         globals = NULL;
4576                 }
4577                 if (PyObject_HasAttrString(obj, "locals")) {
4578                         int res;
4579                         tmp = PyObject_GetAttrString(obj, "locals");
4580                         if (tmp == NULL) goto failed;
4581                         res = obj2ast_expr(tmp, &locals, arena);
4582                         if (res != 0) goto failed;
4583                         Py_XDECREF(tmp);
4584                         tmp = NULL;
4585                 } else {
4586                         locals = NULL;
4587                 }
4588                 *out = Exec(body, globals, locals, lineno, col_offset, arena);
4589                 if (*out == NULL) goto failed;
4590                 return 0;
4591         }
4592         isinstance = PyObject_IsInstance(obj, (PyObject*)Global_type);
4593         if (isinstance == -1) {
4594                 return 1;
4595         }
4596         if (isinstance) {
4597                 asdl_seq* names;
4598 
4599                 if (PyObject_HasAttrString(obj, "names")) {
4600                         int res;
4601                         Py_ssize_t len;
4602                         Py_ssize_t i;
4603                         tmp = PyObject_GetAttrString(obj, "names");
4604                         if (tmp == NULL) goto failed;
4605                         if (!PyList_Check(tmp)) {
4606                                 PyErr_Format(PyExc_TypeError, "Global field \"names\" must be a list, not a %.200s", tmp->ob_type->tp_name);
4607                                 goto failed;
4608                         }
4609                         len = PyList_GET_SIZE(tmp);
4610                         names = asdl_seq_new(len, arena);
4611                         if (names == NULL) goto failed;
4612                         for (i = 0; i < len; i++) {
4613                                 identifier value;
4614                                 res = obj2ast_identifier(PyList_GET_ITEM(tmp, i), &value, arena);
4615                                 if (res != 0) goto failed;
4616                                 asdl_seq_SET(names, i, value);
4617                         }
4618                         Py_XDECREF(tmp);
4619                         tmp = NULL;
4620                 } else {
4621                         PyErr_SetString(PyExc_TypeError, "required field \"names\" missing from Global");
4622                         return 1;
4623                 }
4624                 *out = Global(names, lineno, col_offset, arena);
4625                 if (*out == NULL) goto failed;
4626                 return 0;
4627         }
4628         isinstance = PyObject_IsInstance(obj, (PyObject*)Expr_type);
4629         if (isinstance == -1) {
4630                 return 1;
4631         }
4632         if (isinstance) {
4633                 expr_ty value;
4634 
4635                 if (PyObject_HasAttrString(obj, "value")) {
4636                         int res;
4637                         tmp = PyObject_GetAttrString(obj, "value");
4638                         if (tmp == NULL) goto failed;
4639                         res = obj2ast_expr(tmp, &value, arena);
4640                         if (res != 0) goto failed;
4641                         Py_XDECREF(tmp);
4642                         tmp = NULL;
4643                 } else {
4644                         PyErr_SetString(PyExc_TypeError, "required field \"value\" missing from Expr");
4645                         return 1;
4646                 }
4647                 *out = Expr(value, lineno, col_offset, arena);
4648                 if (*out == NULL) goto failed;
4649                 return 0;
4650         }
4651         isinstance = PyObject_IsInstance(obj, (PyObject*)Pass_type);
4652         if (isinstance == -1) {
4653                 return 1;
4654         }
4655         if (isinstance) {
4656 
4657                 *out = Pass(lineno, col_offset, arena);
4658                 if (*out == NULL) goto failed;
4659                 return 0;
4660         }
4661         isinstance = PyObject_IsInstance(obj, (PyObject*)Break_type);
4662         if (isinstance == -1) {
4663                 return 1;
4664         }
4665         if (isinstance) {
4666 
4667                 *out = Break(lineno, col_offset, arena);
4668                 if (*out == NULL) goto failed;
4669                 return 0;
4670         }
4671         isinstance = PyObject_IsInstance(obj, (PyObject*)Continue_type);
4672         if (isinstance == -1) {
4673                 return 1;
4674         }
4675         if (isinstance) {
4676 
4677                 *out = Continue(lineno, col_offset, arena);
4678                 if (*out == NULL) goto failed;
4679                 return 0;
4680         }
4681 
4682         tmp = PyObject_Repr(obj);
4683         if (tmp == NULL) goto failed;
4684         PyErr_Format(PyExc_TypeError, "expected some sort of stmt, but got %.400s", PyString_AS_STRING(tmp));
4685 failed:
4686         Py_XDECREF(tmp);
4687         return 1;
4688 }
4689 
4690 int
4691 obj2ast_expr(PyObject* obj, expr_ty* out, PyArena* arena)
4692 {
4693         PyObject* tmp = NULL;
4694         int isinstance;
4695 
4696         int lineno;
4697         int col_offset;
4698 
4699         if (obj == Py_None) {
4700                 *out = NULL;
4701                 return 0;
4702         }
4703         if (PyObject_HasAttrString(obj, "lineno")) {
4704                 int res;
4705                 tmp = PyObject_GetAttrString(obj, "lineno");
4706                 if (tmp == NULL) goto failed;
4707                 res = obj2ast_int(tmp, &lineno, arena);
4708                 if (res != 0) goto failed;
4709                 Py_XDECREF(tmp);
4710                 tmp = NULL;
4711         } else {
4712                 PyErr_SetString(PyExc_TypeError, "required field \"lineno\" missing from expr");
4713                 return 1;
4714         }
4715         if (PyObject_HasAttrString(obj, "col_offset")) {
4716                 int res;
4717                 tmp = PyObject_GetAttrString(obj, "col_offset");
4718                 if (tmp == NULL) goto failed;
4719                 res = obj2ast_int(tmp, &col_offset, arena);
4720                 if (res != 0) goto failed;
4721                 Py_XDECREF(tmp);
4722                 tmp = NULL;
4723         } else {
4724                 PyErr_SetString(PyExc_TypeError, "required field \"col_offset\" missing from expr");
4725                 return 1;
4726         }
4727         isinstance = PyObject_IsInstance(obj, (PyObject*)BoolOp_type);
4728         if (isinstance == -1) {
4729                 return 1;
4730         }
4731         if (isinstance) {
4732                 boolop_ty op;
4733                 asdl_seq* values;
4734 
4735                 if (PyObject_HasAttrString(obj, "op")) {
4736                         int res;
4737                         tmp = PyObject_GetAttrString(obj, "op");
4738                         if (tmp == NULL) goto failed;
4739                         res = obj2ast_boolop(tmp, &op, arena);
4740                         if (res != 0) goto failed;
4741                         Py_XDECREF(tmp);
4742                         tmp = NULL;
4743                 } else {
4744                         PyErr_SetString(PyExc_TypeError, "required field \"op\" missing from BoolOp");
4745                         return 1;
4746                 }
4747                 if (PyObject_HasAttrString(obj, "values")) {
4748                         int res;
4749                         Py_ssize_t len;
4750                         Py_ssize_t i;
4751                         tmp = PyObject_GetAttrString(obj, "values");
4752                         if (tmp == NULL) goto failed;
4753                         if (!PyList_Check(tmp)) {
4754                                 PyErr_Format(PyExc_TypeError, "BoolOp field \"values\" must be a list, not a %.200s", tmp->ob_type->tp_name);
4755                                 goto failed;
4756                         }
4757                         len = PyList_GET_SIZE(tmp);
4758                         values = asdl_seq_new(len, arena);
4759                         if (values == NULL) goto failed;
4760                         for (i = 0; i < len; i++) {
4761                                 expr_ty value;
4762                                 res = obj2ast_expr(PyList_GET_ITEM(tmp, i), &value, arena);
4763                                 if (res != 0) goto failed;
4764                                 asdl_seq_SET(values, i, value);
4765                         }
4766                         Py_XDECREF(tmp);
4767                         tmp = NULL;
4768                 } else {
4769                         PyErr_SetString(PyExc_TypeError, "required field \"values\" missing from BoolOp");
4770                         return 1;
4771                 }
4772                 *out = BoolOp(op, values, lineno, col_offset, arena);
4773                 if (*out == NULL) goto failed;
4774                 return 0;
4775         }
4776         isinstance = PyObject_IsInstance(obj, (PyObject*)BinOp_type);
4777         if (isinstance == -1) {
4778                 return 1;
4779         }
4780         if (isinstance) {
4781                 expr_ty left;
4782                 operator_ty op;
4783                 expr_ty right;
4784 
4785                 if (PyObject_HasAttrString(obj, "left")) {
4786                         int res;
4787                         tmp = PyObject_GetAttrString(obj, "left");
4788                         if (tmp == NULL) goto failed;
4789                         res = obj2ast_expr(tmp, &left, arena);
4790                         if (res != 0) goto failed;
4791                         Py_XDECREF(tmp);
4792                         tmp = NULL;
4793                 } else {
4794                         PyErr_SetString(PyExc_TypeError, "required field \"left\" missing from BinOp");
4795                         return 1;
4796                 }
4797                 if (PyObject_HasAttrString(obj, "op")) {
4798                         int res;
4799                         tmp = PyObject_GetAttrString(obj, "op");
4800                         if (tmp == NULL) goto failed;
4801                         res = obj2ast_operator(tmp, &op, arena);
4802                         if (res != 0) goto failed;
4803                         Py_XDECREF(tmp);
4804                         tmp = NULL;
4805                 } else {
4806                         PyErr_SetString(PyExc_TypeError, "required field \"op\" missing from BinOp");
4807                         return 1;
4808                 }
4809                 if (PyObject_HasAttrString(obj, "right")) {
4810                         int res;
4811                         tmp = PyObject_GetAttrString(obj, "right");
4812                         if (tmp == NULL) goto failed;
4813                         res = obj2ast_expr(tmp, &right, arena);
4814                         if (res != 0) goto failed;
4815                         Py_XDECREF(tmp);
4816                         tmp = NULL;
4817                 } else {
4818                         PyErr_SetString(PyExc_TypeError, "required field \"right\" missing from BinOp");
4819                         return 1;
4820                 }
4821                 *out = BinOp(left, op, right, lineno, col_offset, arena);
4822                 if (*out == NULL) goto failed;
4823                 return 0;
4824         }
4825         isinstance = PyObject_IsInstance(obj, (PyObject*)UnaryOp_type);
4826         if (isinstance == -1) {
4827                 return 1;
4828         }
4829         if (isinstance) {
4830                 unaryop_ty op;
4831                 expr_ty operand;
4832 
4833                 if (PyObject_HasAttrString(obj, "op")) {
4834                         int res;
4835                         tmp = PyObject_GetAttrString(obj, "op");
4836                         if (tmp == NULL) goto failed;
4837                         res = obj2ast_unaryop(tmp, &op, arena);
4838                         if (res != 0) goto failed;
4839                         Py_XDECREF(tmp);
4840                         tmp = NULL;
4841                 } else {
4842                         PyErr_SetString(PyExc_TypeError, "required field \"op\" missing from UnaryOp");
4843                         return 1;
4844                 }
4845                 if (PyObject_HasAttrString(obj, "operand")) {
4846                         int res;
4847                         tmp = PyObject_GetAttrString(obj, "operand");
4848                         if (tmp == NULL) goto failed;
4849                         res = obj2ast_expr(tmp, &operand, arena);
4850                         if (res != 0) goto failed;
4851                         Py_XDECREF(tmp);
4852                         tmp = NULL;
4853                 } else {
4854                         PyErr_SetString(PyExc_TypeError, "required field \"operand\" missing from UnaryOp");
4855                         return 1;
4856                 }
4857                 *out = UnaryOp(op, operand, lineno, col_offset, arena);
4858                 if (*out == NULL) goto failed;
4859                 return 0;
4860         }
4861         isinstance = PyObject_IsInstance(obj, (PyObject*)Lambda_type);
4862         if (isinstance == -1) {
4863                 return 1;
4864         }
4865         if (isinstance) {
4866                 arguments_ty args;
4867                 expr_ty body;
4868 
4869                 if (PyObject_HasAttrString(obj, "args")) {
4870                         int res;
4871                         tmp = PyObject_GetAttrString(obj, "args");
4872                         if (tmp == NULL) goto failed;
4873                         res = obj2ast_arguments(tmp, &args, arena);
4874                         if (res != 0) goto failed;
4875                         Py_XDECREF(tmp);
4876                         tmp = NULL;
4877                 } else {
4878                         PyErr_SetString(PyExc_TypeError, "required field \"args\" missing from Lambda");
4879                         return 1;
4880                 }
4881                 if (PyObject_HasAttrString(obj, "body")) {
4882                         int res;
4883                         tmp = PyObject_GetAttrString(obj, "body");
4884                         if (tmp == NULL) goto failed;
4885                         res = obj2ast_expr(tmp, &body, arena);
4886                         if (res != 0) goto failed;
4887                         Py_XDECREF(tmp);
4888                         tmp = NULL;
4889                 } else {
4890                         PyErr_SetString(PyExc_TypeError, "required field \"body\" missing from Lambda");
4891                         return 1;
4892                 }
4893                 *out = Lambda(args, body, lineno, col_offset, arena);
4894                 if (*out == NULL) goto failed;
4895                 return 0;
4896         }
4897         isinstance = PyObject_IsInstance(obj, (PyObject*)IfExp_type);
4898         if (isinstance == -1) {
4899                 return 1;
4900         }
4901         if (isinstance) {
4902                 expr_ty test;
4903                 expr_ty body;
4904                 expr_ty orelse;
4905 
4906                 if (PyObject_HasAttrString(obj, "test")) {
4907                         int res;
4908                         tmp = PyObject_GetAttrString(obj, "test");
4909                         if (tmp == NULL) goto failed;
4910                         res = obj2ast_expr(tmp, &test, arena);
4911                         if (res != 0) goto failed;
4912                         Py_XDECREF(tmp);
4913                         tmp = NULL;
4914                 } else {
4915                         PyErr_SetString(PyExc_TypeError, "required field \"test\" missing from IfExp");
4916                         return 1;
4917                 }
4918                 if (PyObject_HasAttrString(obj, "body")) {
4919                         int res;
4920                         tmp = PyObject_GetAttrString(obj, "body");
4921                         if (tmp == NULL) goto failed;
4922                         res = obj2ast_expr(tmp, &body, arena);
4923                         if (res != 0) goto failed;
4924                         Py_XDECREF(tmp);
4925                         tmp = NULL;
4926                 } else {
4927                         PyErr_SetString(PyExc_TypeError, "required field \"body\" missing from IfExp");
4928                         return 1;
4929                 }
4930                 if (PyObject_HasAttrString(obj, "orelse")) {
4931                         int res;
4932                         tmp = PyObject_GetAttrString(obj, "orelse");
4933                         if (tmp == NULL) goto failed;
4934                         res = obj2ast_expr(tmp, &orelse, arena);
4935                         if (res != 0) goto failed;
4936                         Py_XDECREF(tmp);
4937                         tmp = NULL;
4938                 } else {
4939                         PyErr_SetString(PyExc_TypeError, "required field \"orelse\" missing from IfExp");
4940                         return 1;
4941                 }
4942                 *out = IfExp(test, body, orelse, lineno, col_offset, arena);
4943                 if (*out == NULL) goto failed;
4944                 return 0;
4945         }
4946         isinstance = PyObject_IsInstance(obj, (PyObject*)Dict_type);
4947         if (isinstance == -1) {
4948                 return 1;
4949         }
4950         if (isinstance) {
4951                 asdl_seq* keys;
4952                 asdl_seq* values;
4953 
4954                 if (PyObject_HasAttrString(obj, "keys")) {
4955                         int res;
4956                         Py_ssize_t len;
4957                         Py_ssize_t i;
4958                         tmp = PyObject_GetAttrString(obj, "keys");
4959                         if (tmp == NULL) goto failed;
4960                         if (!PyList_Check(tmp)) {
4961                                 PyErr_Format(PyExc_TypeError, "Dict field \"keys\" must be a list, not a %.200s", tmp->ob_type->tp_name);
4962                                 goto failed;
4963                         }
4964                         len = PyList_GET_SIZE(tmp);
4965                         keys = asdl_seq_new(len, arena);
4966                         if (keys == NULL) goto failed;
4967                         for (i = 0; i < len; i++) {
4968                                 expr_ty value;
4969                                 res = obj2ast_expr(PyList_GET_ITEM(tmp, i), &value, arena);
4970                                 if (res != 0) goto failed;
4971                                 asdl_seq_SET(keys, i, value);
4972                         }
4973                         Py_XDECREF(tmp);
4974                         tmp = NULL;
4975                 } else {
4976                         PyErr_SetString(PyExc_TypeError, "required field \"keys\" missing from Dict");
4977                         return 1;
4978                 }
4979                 if (PyObject_HasAttrString(obj, "values")) {
4980                         int res;
4981                         Py_ssize_t len;
4982                         Py_ssize_t i;
4983                         tmp = PyObject_GetAttrString(obj, "values");
4984                         if (tmp == NULL) goto failed;
4985                         if (!PyList_Check(tmp)) {
4986                                 PyErr_Format(PyExc_TypeError, "Dict field \"values\" must be a list, not a %.200s", tmp->ob_type->tp_name);
4987                                 goto failed;
4988                         }
4989                         len = PyList_GET_SIZE(tmp);
4990                         values = asdl_seq_new(len, arena);
4991                         if (values == NULL) goto failed;
4992                         for (i = 0; i < len; i++) {
4993                                 expr_ty value;
4994                                 res = obj2ast_expr(PyList_GET_ITEM(tmp, i), &value, arena);
4995                                 if (res != 0) goto failed;
4996                                 asdl_seq_SET(values, i, value);
4997                         }
4998                         Py_XDECREF(tmp);
4999                         tmp = NULL;
5000                 } else {
5001                         PyErr_SetString(PyExc_TypeError, "required field \"values\" missing from Dict");
5002                         return 1;
5003                 }
5004                 *out = Dict(keys, values, lineno, col_offset, arena);
5005                 if (*out == NULL) goto failed;
5006                 return 0;
5007         }
5008         isinstance = PyObject_IsInstance(obj, (PyObject*)Set_type);
5009         if (isinstance == -1) {
5010                 return 1;
5011         }
5012         if (isinstance) {
5013                 asdl_seq* elts;
5014 
5015                 if (PyObject_HasAttrString(obj, "elts")) {
5016                         int res;
5017                         Py_ssize_t len;
5018                         Py_ssize_t i;
5019                         tmp = PyObject_GetAttrString(obj, "elts");
5020                         if (tmp == NULL) goto failed;
5021                         if (!PyList_Check(tmp)) {
5022                                 PyErr_Format(PyExc_TypeError, "Set field \"elts\" must be a list, not a %.200s", tmp->ob_type->tp_name);
5023                                 goto failed;
5024                         }
5025                         len = PyList_GET_SIZE(tmp);
5026                         elts = asdl_seq_new(len, arena);
5027                         if (elts == NULL) goto failed;
5028                         for (i = 0; i < len; i++) {
5029                                 expr_ty value;
5030                                 res = obj2ast_expr(PyList_GET_ITEM(tmp, i), &value, arena);
5031                                 if (res != 0) goto failed;
5032                                 asdl_seq_SET(elts, i, value);
5033                         }
5034                         Py_XDECREF(tmp);
5035                         tmp = NULL;
5036                 } else {
5037                         PyErr_SetString(PyExc_TypeError, "required field \"elts\" missing from Set");
5038                         return 1;
5039                 }
5040                 *out = Set(elts, lineno, col_offset, arena);
5041                 if (*out == NULL) goto failed;
5042                 return 0;
5043         }
5044         isinstance = PyObject_IsInstance(obj, (PyObject*)ListComp_type);
5045         if (isinstance == -1) {
5046                 return 1;
5047         }
5048         if (isinstance) {
5049                 expr_ty elt;
5050                 asdl_seq* generators;
5051 
5052                 if (PyObject_HasAttrString(obj, "elt")) {
5053                         int res;
5054                         tmp = PyObject_GetAttrString(obj, "elt");
5055                         if (tmp == NULL) goto failed;
5056                         res = obj2ast_expr(tmp, &elt, arena);
5057                         if (res != 0) goto failed;
5058                         Py_XDECREF(tmp);
5059                         tmp = NULL;
5060                 } else {
5061                         PyErr_SetString(PyExc_TypeError, "required field \"elt\" missing from ListComp");
5062                         return 1;
5063                 }
5064                 if (PyObject_HasAttrString(obj, "generators")) {
5065                         int res;
5066                         Py_ssize_t len;
5067                         Py_ssize_t i;
5068                         tmp = PyObject_GetAttrString(obj, "generators");
5069                         if (tmp == NULL) goto failed;
5070                         if (!PyList_Check(tmp)) {
5071                                 PyErr_Format(PyExc_TypeError, "ListComp field \"generators\" must be a list, not a %.200s", tmp->ob_type->tp_name);
5072                                 goto failed;
5073                         }
5074                         len = PyList_GET_SIZE(tmp);
5075                         generators = asdl_seq_new(len, arena);
5076                         if (generators == NULL) goto failed;
5077                         for (i = 0; i < len; i++) {
5078                                 comprehension_ty value;
5079                                 res = obj2ast_comprehension(PyList_GET_ITEM(tmp, i), &value, arena);
5080                                 if (res != 0) goto failed;
5081                                 asdl_seq_SET(generators, i, value);
5082                         }
5083                         Py_XDECREF(tmp);
5084                         tmp = NULL;
5085                 } else {
5086                         PyErr_SetString(PyExc_TypeError, "required field \"generators\" missing from ListComp");
5087                         return 1;
5088                 }
5089                 *out = ListComp(elt, generators, lineno, col_offset, arena);
5090                 if (*out == NULL) goto failed;
5091                 return 0;
5092         }
5093         isinstance = PyObject_IsInstance(obj, (PyObject*)SetComp_type);
5094         if (isinstance == -1) {
5095                 return 1;
5096         }
5097         if (isinstance) {
5098                 expr_ty elt;
5099                 asdl_seq* generators;
5100 
5101                 if (PyObject_HasAttrString(obj, "elt")) {
5102                         int res;
5103                         tmp = PyObject_GetAttrString(obj, "elt");
5104                         if (tmp == NULL) goto failed;
5105                         res = obj2ast_expr(tmp, &elt, arena);
5106                         if (res != 0) goto failed;
5107                         Py_XDECREF(tmp);
5108                         tmp = NULL;
5109                 } else {
5110                         PyErr_SetString(PyExc_TypeError, "required field \"elt\" missing from SetComp");
5111                         return 1;
5112                 }
5113                 if (PyObject_HasAttrString(obj, "generators")) {
5114                         int res;
5115                         Py_ssize_t len;
5116                         Py_ssize_t i;
5117                         tmp = PyObject_GetAttrString(obj, "generators");
5118                         if (tmp == NULL) goto failed;
5119                         if (!PyList_Check(tmp)) {
5120                                 PyErr_Format(PyExc_TypeError, "SetComp field \"generators\" must be a list, not a %.200s", tmp->ob_type->tp_name);
5121                                 goto failed;
5122                         }
5123                         len = PyList_GET_SIZE(tmp);
5124                         generators = asdl_seq_new(len, arena);
5125                         if (generators == NULL) goto failed;
5126                         for (i = 0; i < len; i++) {
5127                                 comprehension_ty value;
5128                                 res = obj2ast_comprehension(PyList_GET_ITEM(tmp, i), &value, arena);
5129                                 if (res != 0) goto failed;
5130                                 asdl_seq_SET(generators, i, value);
5131                         }
5132                         Py_XDECREF(tmp);
5133                         tmp = NULL;
5134                 } else {
5135                         PyErr_SetString(PyExc_TypeError, "required field \"generators\" missing from SetComp");
5136                         return 1;
5137                 }
5138                 *out = SetComp(elt, generators, lineno, col_offset, arena);
5139                 if (*out == NULL) goto failed;
5140                 return 0;
5141         }
5142         isinstance = PyObject_IsInstance(obj, (PyObject*)DictComp_type);
5143         if (isinstance == -1) {
5144                 return 1;
5145         }
5146         if (isinstance) {
5147                 expr_ty key;
5148                 expr_ty value;
5149                 asdl_seq* generators;
5150 
5151                 if (PyObject_HasAttrString(obj, "key")) {
5152                         int res;
5153                         tmp = PyObject_GetAttrString(obj, "key");
5154                         if (tmp == NULL) goto failed;
5155                         res = obj2ast_expr(tmp, &key, arena);
5156                         if (res != 0) goto failed;
5157                         Py_XDECREF(tmp);
5158                         tmp = NULL;
5159                 } else {
5160                         PyErr_SetString(PyExc_TypeError, "required field \"key\" missing from DictComp");
5161                         return 1;
5162                 }
5163                 if (PyObject_HasAttrString(obj, "value")) {
5164                         int res;
5165                         tmp = PyObject_GetAttrString(obj, "value");
5166                         if (tmp == NULL) goto failed;
5167                         res = obj2ast_expr(tmp, &value, arena);
5168                         if (res != 0) goto failed;
5169                         Py_XDECREF(tmp);
5170                         tmp = NULL;
5171                 } else {
5172                         PyErr_SetString(PyExc_TypeError, "required field \"value\" missing from DictComp");
5173                         return 1;
5174                 }
5175                 if (PyObject_HasAttrString(obj, "generators")) {
5176                         int res;
5177                         Py_ssize_t len;
5178                         Py_ssize_t i;
5179                         tmp = PyObject_GetAttrString(obj, "generators");
5180                         if (tmp == NULL) goto failed;
5181                         if (!PyList_Check(tmp)) {
5182                                 PyErr_Format(PyExc_TypeError, "DictComp field \"generators\" must be a list, not a %.200s", tmp->ob_type->tp_name);
5183                                 goto failed;
5184                         }
5185                         len = PyList_GET_SIZE(tmp);
5186                         generators = asdl_seq_new(len, arena);
5187                         if (generators == NULL) goto failed;
5188                         for (i = 0; i < len; i++) {
5189                                 comprehension_ty value;
5190                                 res = obj2ast_comprehension(PyList_GET_ITEM(tmp, i), &value, arena);
5191                                 if (res != 0) goto failed;
5192                                 asdl_seq_SET(generators, i, value);
5193                         }
5194                         Py_XDECREF(tmp);
5195                         tmp = NULL;
5196                 } else {
5197                         PyErr_SetString(PyExc_TypeError, "required field \"generators\" missing from DictComp");
5198                         return 1;
5199                 }
5200                 *out = DictComp(key, value, generators, lineno, col_offset,
5201                                 arena);
5202                 if (*out == NULL) goto failed;
5203                 return 0;
5204         }
5205         isinstance = PyObject_IsInstance(obj, (PyObject*)GeneratorExp_type);
5206         if (isinstance == -1) {
5207                 return 1;
5208         }
5209         if (isinstance) {
5210                 expr_ty elt;
5211                 asdl_seq* generators;
5212 
5213                 if (PyObject_HasAttrString(obj, "elt")) {
5214                         int res;
5215                         tmp = PyObject_GetAttrString(obj, "elt");
5216                         if (tmp == NULL) goto failed;
5217                         res = obj2ast_expr(tmp, &elt, arena);
5218                         if (res != 0) goto failed;
5219                         Py_XDECREF(tmp);
5220                         tmp = NULL;
5221                 } else {
5222                         PyErr_SetString(PyExc_TypeError, "required field \"elt\" missing from GeneratorExp");
5223                         return 1;
5224                 }
5225                 if (PyObject_HasAttrString(obj, "generators")) {
5226                         int res;
5227                         Py_ssize_t len;
5228                         Py_ssize_t i;
5229                         tmp = PyObject_GetAttrString(obj, "generators");
5230                         if (tmp == NULL) goto failed;
5231                         if (!PyList_Check(tmp)) {
5232                                 PyErr_Format(PyExc_TypeError, "GeneratorExp field \"generators\" must be a list, not a %.200s", tmp->ob_type->tp_name);
5233                                 goto failed;
5234                         }
5235                         len = PyList_GET_SIZE(tmp);
5236                         generators = asdl_seq_new(len, arena);
5237                         if (generators == NULL) goto failed;
5238                         for (i = 0; i < len; i++) {
5239                                 comprehension_ty value;
5240                                 res = obj2ast_comprehension(PyList_GET_ITEM(tmp, i), &value, arena);
5241                                 if (res != 0) goto failed;
5242                                 asdl_seq_SET(generators, i, value);
5243                         }
5244                         Py_XDECREF(tmp);
5245                         tmp = NULL;
5246                 } else {
5247                         PyErr_SetString(PyExc_TypeError, "required field \"generators\" missing from GeneratorExp");
5248                         return 1;
5249                 }
5250                 *out = GeneratorExp(elt, generators, lineno, col_offset, arena);
5251                 if (*out == NULL) goto failed;
5252                 return 0;
5253         }
5254         isinstance = PyObject_IsInstance(obj, (PyObject*)Yield_type);
5255         if (isinstance == -1) {
5256                 return 1;
5257         }
5258         if (isinstance) {
5259                 expr_ty value;
5260 
5261                 if (PyObject_HasAttrString(obj, "value")) {
5262                         int res;
5263                         tmp = PyObject_GetAttrString(obj, "value");
5264                         if (tmp == NULL) goto failed;
5265                         res = obj2ast_expr(tmp, &value, arena);
5266                         if (res != 0) goto failed;
5267                         Py_XDECREF(tmp);
5268                         tmp = NULL;
5269                 } else {
5270                         value = NULL;
5271                 }
5272                 *out = Yield(value, lineno, col_offset, arena);
5273                 if (*out == NULL) goto failed;
5274                 return 0;
5275         }
5276         isinstance = PyObject_IsInstance(obj, (PyObject*)Compare_type);
5277         if (isinstance == -1) {
5278                 return 1;
5279         }
5280         if (isinstance) {
5281                 expr_ty left;
5282                 asdl_int_seq* ops;
5283                 asdl_seq* comparators;
5284 
5285                 if (PyObject_HasAttrString(obj, "left")) {
5286                         int res;
5287                         tmp = PyObject_GetAttrString(obj, "left");
5288                         if (tmp == NULL) goto failed;
5289                         res = obj2ast_expr(tmp, &left, arena);
5290                         if (res != 0) goto failed;
5291                         Py_XDECREF(tmp);
5292                         tmp = NULL;
5293                 } else {
5294                         PyErr_SetString(PyExc_TypeError, "required field \"left\" missing from Compare");
5295                         return 1;
5296                 }
5297                 if (PyObject_HasAttrString(obj, "ops")) {
5298                         int res;
5299                         Py_ssize_t len;
5300                         Py_ssize_t i;
5301                         tmp = PyObject_GetAttrString(obj, "ops");
5302                         if (tmp == NULL) goto failed;
5303                         if (!PyList_Check(tmp)) {
5304                                 PyErr_Format(PyExc_TypeError, "Compare field \"ops\" must be a list, not a %.200s", tmp->ob_type->tp_name);
5305                                 goto failed;
5306                         }
5307                         len = PyList_GET_SIZE(tmp);
5308                         ops = asdl_int_seq_new(len, arena);
5309                         if (ops == NULL) goto failed;
5310                         for (i = 0; i < len; i++) {
5311                                 cmpop_ty value;
5312                                 res = obj2ast_cmpop(PyList_GET_ITEM(tmp, i), &value, arena);
5313                                 if (res != 0) goto failed;
5314                                 asdl_seq_SET(ops, i, value);
5315                         }
5316                         Py_XDECREF(tmp);
5317                         tmp = NULL;
5318                 } else {
5319                         PyErr_SetString(PyExc_TypeError, "required field \"ops\" missing from Compare");
5320                         return 1;
5321                 }
5322                 if (PyObject_HasAttrString(obj, "comparators")) {
5323                         int res;
5324                         Py_ssize_t len;
5325                         Py_ssize_t i;
5326                         tmp = PyObject_GetAttrString(obj, "comparators");
5327                         if (tmp == NULL) goto failed;
5328                         if (!PyList_Check(tmp)) {
5329                                 PyErr_Format(PyExc_TypeError, "Compare field \"comparators\" must be a list, not a %.200s", tmp->ob_type->tp_name);
5330                                 goto failed;
5331                         }
5332                         len = PyList_GET_SIZE(tmp);
5333                         comparators = asdl_seq_new(len, arena);
5334                         if (comparators == NULL) goto failed;
5335                         for (i = 0; i < len; i++) {
5336                                 expr_ty value;
5337                                 res = obj2ast_expr(PyList_GET_ITEM(tmp, i), &value, arena);
5338                                 if (res != 0) goto failed;
5339                                 asdl_seq_SET(comparators, i, value);
5340                         }
5341                         Py_XDECREF(tmp);
5342                         tmp = NULL;
5343                 } else {
5344                         PyErr_SetString(PyExc_TypeError, "required field \"comparators\" missing from Compare");
5345                         return 1;
5346                 }
5347                 *out = Compare(left, ops, comparators, lineno, col_offset,
5348                                arena);
5349                 if (*out == NULL) goto failed;
5350                 return 0;
5351         }
5352         isinstance = PyObject_IsInstance(obj, (PyObject*)Call_type);
5353         if (isinstance == -1) {
5354                 return 1;
5355         }
5356         if (isinstance) {
5357                 expr_ty func;
5358                 asdl_seq* args;
5359                 asdl_seq* keywords;
5360                 expr_ty starargs;
5361                 expr_ty kwargs;
5362 
5363                 if (PyObject_HasAttrString(obj, "func")) {
5364                         int res;
5365                         tmp = PyObject_GetAttrString(obj, "func");
5366                         if (tmp == NULL) goto failed;
5367                         res = obj2ast_expr(tmp, &func, arena);
5368                         if (res != 0) goto failed;
5369                         Py_XDECREF(tmp);
5370                         tmp = NULL;
5371                 } else {
5372                         PyErr_SetString(PyExc_TypeError, "required field \"func\" missing from Call");
5373                         return 1;
5374                 }
5375                 if (PyObject_HasAttrString(obj, "args")) {
5376                         int res;
5377                         Py_ssize_t len;
5378                         Py_ssize_t i;
5379                         tmp = PyObject_GetAttrString(obj, "args");
5380                         if (tmp == NULL) goto failed;
5381                         if (!PyList_Check(tmp)) {
5382                                 PyErr_Format(PyExc_TypeError, "Call field \"args\" must be a list, not a %.200s", tmp->ob_type->tp_name);
5383                                 goto failed;
5384                         }
5385                         len = PyList_GET_SIZE(tmp);
5386                         args = asdl_seq_new(len, arena);
5387                         if (args == NULL) goto failed;
5388                         for (i = 0; i < len; i++) {
5389                                 expr_ty value;
5390                                 res = obj2ast_expr(PyList_GET_ITEM(tmp, i), &value, arena);
5391                                 if (res != 0) goto failed;
5392                                 asdl_seq_SET(args, i, value);
5393                         }
5394                         Py_XDECREF(tmp);
5395                         tmp = NULL;
5396                 } else {
5397                         PyErr_SetString(PyExc_TypeError, "required field \"args\" missing from Call");
5398                         return 1;
5399                 }
5400                 if (PyObject_HasAttrString(obj, "keywords")) {
5401                         int res;
5402                         Py_ssize_t len;
5403                         Py_ssize_t i;
5404                         tmp = PyObject_GetAttrString(obj, "keywords");
5405                         if (tmp == NULL) goto failed;
5406                         if (!PyList_Check(tmp)) {
5407                                 PyErr_Format(PyExc_TypeError, "Call field \"keywords\" must be a list, not a %.200s", tmp->ob_type->tp_name);
5408                                 goto failed;
5409                         }
5410                         len = PyList_GET_SIZE(tmp);
5411                         keywords = asdl_seq_new(len, arena);
5412                         if (keywords == NULL) goto failed;
5413                         for (i = 0; i < len; i++) {
5414                                 keyword_ty value;
5415                                 res = obj2ast_keyword(PyList_GET_ITEM(tmp, i), &value, arena);
5416                                 if (res != 0) goto failed;
5417                                 asdl_seq_SET(keywords, i, value);
5418                         }
5419                         Py_XDECREF(tmp);
5420                         tmp = NULL;
5421                 } else {
5422                         PyErr_SetString(PyExc_TypeError, "required field \"keywords\" missing from Call");
5423                         return 1;
5424                 }
5425                 if (PyObject_HasAttrString(obj, "starargs")) {
5426                         int res;
5427                         tmp = PyObject_GetAttrString(obj, "starargs");
5428                         if (tmp == NULL) goto failed;
5429                         res = obj2ast_expr(tmp, &starargs, arena);
5430                         if (res != 0) goto failed;
5431                         Py_XDECREF(tmp);
5432                         tmp = NULL;
5433                 } else {
5434                         starargs = NULL;
5435                 }
5436                 if (PyObject_HasAttrString(obj, "kwargs")) {
5437                         int res;
5438                         tmp = PyObject_GetAttrString(obj, "kwargs");
5439                         if (tmp == NULL) goto failed;
5440                         res = obj2ast_expr(tmp, &kwargs, arena);
5441                         if (res != 0) goto failed;
5442                         Py_XDECREF(tmp);
5443                         tmp = NULL;
5444                 } else {
5445                         kwargs = NULL;
5446                 }
5447                 *out = Call(func, args, keywords, starargs, kwargs, lineno,
5448                             col_offset, arena);
5449                 if (*out == NULL) goto failed;
5450                 return 0;
5451         }
5452         isinstance = PyObject_IsInstance(obj, (PyObject*)Repr_type);
5453         if (isinstance == -1) {
5454                 return 1;
5455         }
5456         if (isinstance) {
5457                 expr_ty value;
5458 
5459                 if (PyObject_HasAttrString(obj, "value")) {
5460                         int res;
5461                         tmp = PyObject_GetAttrString(obj, "value");
5462                         if (tmp == NULL) goto failed;
5463                         res = obj2ast_expr(tmp, &value, arena);
5464                         if (res != 0) goto failed;
5465                         Py_XDECREF(tmp);
5466                         tmp = NULL;
5467                 } else {
5468                         PyErr_SetString(PyExc_TypeError, "required field \"value\" missing from Repr");
5469                         return 1;
5470                 }
5471                 *out = Repr(value, lineno, col_offset, arena);
5472                 if (*out == NULL) goto failed;
5473                 return 0;
5474         }
5475         isinstance = PyObject_IsInstance(obj, (PyObject*)Num_type);
5476         if (isinstance == -1) {
5477                 return 1;
5478         }
5479         if (isinstance) {
5480                 object n;
5481 
5482                 if (PyObject_HasAttrString(obj, "n")) {
5483                         int res;
5484                         tmp = PyObject_GetAttrString(obj, "n");
5485                         if (tmp == NULL) goto failed;
5486                         res = obj2ast_object(tmp, &n, arena);
5487                         if (res != 0) goto failed;
5488                         Py_XDECREF(tmp);
5489                         tmp = NULL;
5490                 } else {
5491                         PyErr_SetString(PyExc_TypeError, "required field \"n\" missing from Num");
5492                         return 1;
5493                 }
5494                 *out = Num(n, lineno, col_offset, arena);
5495                 if (*out == NULL) goto failed;
5496                 return 0;
5497         }
5498         isinstance = PyObject_IsInstance(obj, (PyObject*)Str_type);
5499         if (isinstance == -1) {
5500                 return 1;
5501         }
5502         if (isinstance) {
5503                 string s;
5504 
5505                 if (PyObject_HasAttrString(obj, "s")) {
5506                         int res;
5507                         tmp = PyObject_GetAttrString(obj, "s");
5508                         if (tmp == NULL) goto failed;
5509                         res = obj2ast_string(tmp, &s, arena);
5510                         if (res != 0) goto failed;
5511                         Py_XDECREF(tmp);
5512                         tmp = NULL;
5513                 } else {
5514                         PyErr_SetString(PyExc_TypeError, "required field \"s\" missing from Str");
5515                         return 1;
5516                 }
5517                 *out = Str(s, lineno, col_offset, arena);
5518                 if (*out == NULL) goto failed;
5519                 return 0;
5520         }
5521         isinstance = PyObject_IsInstance(obj, (PyObject*)Attribute_type);
5522         if (isinstance == -1) {
5523                 return 1;
5524         }
5525         if (isinstance) {
5526                 expr_ty value;
5527                 identifier attr;
5528                 expr_context_ty ctx;
5529 
5530                 if (PyObject_HasAttrString(obj, "value")) {
5531                         int res;
5532                         tmp = PyObject_GetAttrString(obj, "value");
5533                         if (tmp == NULL) goto failed;
5534                         res = obj2ast_expr(tmp, &value, arena);
5535                         if (res != 0) goto failed;
5536                         Py_XDECREF(tmp);
5537                         tmp = NULL;
5538                 } else {
5539                         PyErr_SetString(PyExc_TypeError, "required field \"value\" missing from Attribute");
5540                         return 1;
5541                 }
5542                 if (PyObject_HasAttrString(obj, "attr")) {
5543                         int res;
5544                         tmp = PyObject_GetAttrString(obj, "attr");
5545                         if (tmp == NULL) goto failed;
5546                         res = obj2ast_identifier(tmp, &attr, arena);
5547                         if (res != 0) goto failed;
5548                         Py_XDECREF(tmp);
5549                         tmp = NULL;
5550                 } else {
5551                         PyErr_SetString(PyExc_TypeError, "required field \"attr\" missing from Attribute");
5552                         return 1;
5553                 }
5554                 if (PyObject_HasAttrString(obj, "ctx")) {
5555                         int res;
5556                         tmp = PyObject_GetAttrString(obj, "ctx");
5557                         if (tmp == NULL) goto failed;
5558                         res = obj2ast_expr_context(tmp, &ctx, arena);
5559                         if (res != 0) goto failed;
5560                         Py_XDECREF(tmp);
5561                         tmp = NULL;
5562                 } else {
5563                         PyErr_SetString(PyExc_TypeError, "required field \"ctx\" missing from Attribute");
5564                         return 1;
5565                 }
5566                 *out = Attribute(value, attr, ctx, lineno, col_offset, arena);
5567                 if (*out == NULL) goto failed;
5568                 return 0;
5569         }
5570         isinstance = PyObject_IsInstance(obj, (PyObject*)Subscript_type);
5571         if (isinstance == -1) {
5572                 return 1;
5573         }
5574         if (isinstance) {
5575                 expr_ty value;
5576                 slice_ty slice;
5577                 expr_context_ty ctx;
5578 
5579                 if (PyObject_HasAttrString(obj, "value")) {
5580                         int res;
5581                         tmp = PyObject_GetAttrString(obj, "value");
5582                         if (tmp == NULL) goto failed;
5583                         res = obj2ast_expr(tmp, &value, arena);
5584                         if (res != 0) goto failed;
5585                         Py_XDECREF(tmp);
5586                         tmp = NULL;
5587                 } else {
5588                         PyErr_SetString(PyExc_TypeError, "required field \"value\" missing from Subscript");
5589                         return 1;
5590                 }
5591                 if (PyObject_HasAttrString(obj, "slice")) {
5592                         int res;
5593                         tmp = PyObject_GetAttrString(obj, "slice");
5594                         if (tmp == NULL) goto failed;
5595                         res = obj2ast_slice(tmp, &slice, arena);
5596                         if (res != 0) goto failed;
5597                         Py_XDECREF(tmp);
5598                         tmp = NULL;
5599                 } else {
5600                         PyErr_SetString(PyExc_TypeError, "required field \"slice\" missing from Subscript");
5601                         return 1;
5602                 }
5603                 if (PyObject_HasAttrString(obj, "ctx")) {
5604                         int res;
5605                         tmp = PyObject_GetAttrString(obj, "ctx");
5606                         if (tmp == NULL) goto failed;
5607                         res = obj2ast_expr_context(tmp, &ctx, arena);
5608                         if (res != 0) goto failed;
5609                         Py_XDECREF(tmp);
5610                         tmp = NULL;
5611                 } else {
5612                         PyErr_SetString(PyExc_TypeError, "required field \"ctx\" missing from Subscript");
5613                         return 1;
5614                 }
5615                 *out = Subscript(value, slice, ctx, lineno, col_offset, arena);
5616                 if (*out == NULL) goto failed;
5617                 return 0;
5618         }
5619         isinstance = PyObject_IsInstance(obj, (PyObject*)Name_type);
5620         if (isinstance == -1) {
5621                 return 1;
5622         }
5623         if (isinstance) {
5624                 identifier id;
5625                 expr_context_ty ctx;
5626 
5627                 if (PyObject_HasAttrString(obj, "id")) {
5628                         int res;
5629                         tmp = PyObject_GetAttrString(obj, "id");
5630                         if (tmp == NULL) goto failed;
5631                         res = obj2ast_identifier(tmp, &id, arena);
5632                         if (res != 0) goto failed;
5633                         Py_XDECREF(tmp);
5634                         tmp = NULL;
5635                 } else {
5636                         PyErr_SetString(PyExc_TypeError, "required field \"id\" missing from Name");
5637                         return 1;
5638                 }
5639                 if (PyObject_HasAttrString(obj, "ctx")) {
5640                         int res;
5641                         tmp = PyObject_GetAttrString(obj, "ctx");
5642                         if (tmp == NULL) goto failed;
5643                         res = obj2ast_expr_context(tmp, &ctx, arena);
5644                         if (res != 0) goto failed;
5645                         Py_XDECREF(tmp);
5646                         tmp = NULL;
5647                 } else {
5648                         PyErr_SetString(PyExc_TypeError, "required field \"ctx\" missing from Name");
5649                         return 1;
5650                 }
5651                 *out = Name(id, ctx, lineno, col_offset, arena);
5652                 if (*out == NULL) goto failed;
5653                 return 0;
5654         }
5655         isinstance = PyObject_IsInstance(obj, (PyObject*)List_type);
5656         if (isinstance == -1) {
5657                 return 1;
5658         }
5659         if (isinstance) {
5660                 asdl_seq* elts;
5661                 expr_context_ty ctx;
5662 
5663                 if (PyObject_HasAttrString(obj, "elts")) {
5664                         int res;
5665                         Py_ssize_t len;
5666                         Py_ssize_t i;
5667                         tmp = PyObject_GetAttrString(obj, "elts");
5668                         if (tmp == NULL) goto failed;
5669                         if (!PyList_Check(tmp)) {
5670                                 PyErr_Format(PyExc_TypeError, "List field \"elts\" must be a list, not a %.200s", tmp->ob_type->tp_name);
5671                                 goto failed;
5672                         }
5673                         len = PyList_GET_SIZE(tmp);
5674                         elts = asdl_seq_new(len, arena);
5675                         if (elts == NULL) goto failed;
5676                         for (i = 0; i < len; i++) {
5677                                 expr_ty value;
5678                                 res = obj2ast_expr(PyList_GET_ITEM(tmp, i), &value, arena);
5679                                 if (res != 0) goto failed;
5680                                 asdl_seq_SET(elts, i, value);
5681                         }
5682                         Py_XDECREF(tmp);
5683                         tmp = NULL;
5684                 } else {
5685                         PyErr_SetString(PyExc_TypeError, "required field \"elts\" missing from List");
5686                         return 1;
5687                 }
5688                 if (PyObject_HasAttrString(obj, "ctx")) {
5689                         int res;
5690                         tmp = PyObject_GetAttrString(obj, "ctx");
5691                         if (tmp == NULL) goto failed;
5692                         res = obj2ast_expr_context(tmp, &ctx, arena);
5693                         if (res != 0) goto failed;
5694                         Py_XDECREF(tmp);
5695                         tmp = NULL;
5696                 } else {
5697                         PyErr_SetString(PyExc_TypeError, "required field \"ctx\" missing from List");
5698                         return 1;
5699                 }
5700                 *out = List(elts, ctx, lineno, col_offset, arena);
5701                 if (*out == NULL) goto failed;
5702                 return 0;
5703         }
5704         isinstance = PyObject_IsInstance(obj, (PyObject*)Tuple_type);
5705         if (isinstance == -1) {
5706                 return 1;
5707         }
5708         if (isinstance) {
5709                 asdl_seq* elts;
5710                 expr_context_ty ctx;
5711 
5712                 if (PyObject_HasAttrString(obj, "elts")) {
5713                         int res;
5714                         Py_ssize_t len;
5715                         Py_ssize_t i;
5716                         tmp = PyObject_GetAttrString(obj, "elts");
5717                         if (tmp == NULL) goto failed;
5718                         if (!PyList_Check(tmp)) {
5719                                 PyErr_Format(PyExc_TypeError, "Tuple field \"elts\" must be a list, not a %.200s", tmp->ob_type->tp_name);
5720                                 goto failed;
5721                         }
5722                         len = PyList_GET_SIZE(tmp);
5723                         elts = asdl_seq_new(len, arena);
5724                         if (elts == NULL) goto failed;
5725                         for (i = 0; i < len; i++) {
5726                                 expr_ty value;
5727                                 res = obj2ast_expr(PyList_GET_ITEM(tmp, i), &value, arena);
5728                                 if (res != 0) goto failed;
5729                                 asdl_seq_SET(elts, i, value);
5730                         }
5731                         Py_XDECREF(tmp);
5732                         tmp = NULL;
5733                 } else {
5734                         PyErr_SetString(PyExc_TypeError, "required field \"elts\" missing from Tuple");
5735                         return 1;
5736                 }
5737                 if (PyObject_HasAttrString(obj, "ctx")) {
5738                         int res;
5739                         tmp = PyObject_GetAttrString(obj, "ctx");
5740                         if (tmp == NULL) goto failed;
5741                         res = obj2ast_expr_context(tmp, &ctx, arena);
5742                         if (res != 0) goto failed;
5743                         Py_XDECREF(tmp);
5744                         tmp = NULL;
5745                 } else {
5746                         PyErr_SetString(PyExc_TypeError, "required field \"ctx\" missing from Tuple");
5747                         return 1;
5748                 }
5749                 *out = Tuple(elts, ctx, lineno, col_offset, arena);
5750                 if (*out == NULL) goto failed;
5751                 return 0;
5752         }
5753 
5754         tmp = PyObject_Repr(obj);
5755         if (tmp == NULL) goto failed;
5756         PyErr_Format(PyExc_TypeError, "expected some sort of expr, but got %.400s", PyString_AS_STRING(tmp));
5757 failed:
5758         Py_XDECREF(tmp);
5759         return 1;
5760 }
5761 
5762 int
5763 obj2ast_expr_context(PyObject* obj, expr_context_ty* out, PyArena* arena)
5764 {
5765         PyObject* tmp = NULL;
5766         int isinstance;
5767 
5768         isinstance = PyObject_IsInstance(obj, (PyObject *)Load_type);
5769         if (isinstance == -1) {
5770                 return 1;
5771         }
5772         if (isinstance) {
5773                 *out = Load;
5774                 return 0;
5775         }
5776         isinstance = PyObject_IsInstance(obj, (PyObject *)Store_type);
5777         if (isinstance == -1) {
5778                 return 1;
5779         }
5780         if (isinstance) {
5781                 *out = Store;
5782                 return 0;
5783         }
5784         isinstance = PyObject_IsInstance(obj, (PyObject *)Del_type);
5785         if (isinstance == -1) {
5786                 return 1;
5787         }
5788         if (isinstance) {
5789                 *out = Del;
5790                 return 0;
5791         }
5792         isinstance = PyObject_IsInstance(obj, (PyObject *)AugLoad_type);
5793         if (isinstance == -1) {
5794                 return 1;
5795         }
5796         if (isinstance) {
5797                 *out = AugLoad;
5798                 return 0;
5799         }
5800         isinstance = PyObject_IsInstance(obj, (PyObject *)AugStore_type);
5801         if (isinstance == -1) {
5802                 return 1;
5803         }
5804         if (isinstance) {
5805                 *out = AugStore;
5806                 return 0;
5807         }
5808         isinstance = PyObject_IsInstance(obj, (PyObject *)Param_type);
5809         if (isinstance == -1) {
5810                 return 1;
5811         }
5812         if (isinstance) {
5813                 *out = Param;
5814                 return 0;
5815         }
5816 
5817         tmp = PyObject_Repr(obj);
5818         if (tmp == NULL) goto failed;
5819         PyErr_Format(PyExc_TypeError, "expected some sort of expr_context, but got %.400s", PyString_AS_STRING(tmp));
5820 failed:
5821         Py_XDECREF(tmp);
5822         return 1;
5823 }
5824 
5825 int
5826 obj2ast_slice(PyObject* obj, slice_ty* out, PyArena* arena)
5827 {
5828         PyObject* tmp = NULL;
5829         int isinstance;
5830 
5831 
5832         if (obj == Py_None) {
5833                 *out = NULL;
5834                 return 0;
5835         }
5836         isinstance = PyObject_IsInstance(obj, (PyObject*)Ellipsis_type);
5837         if (isinstance == -1) {
5838                 return 1;
5839         }
5840         if (isinstance) {
5841 
5842                 *out = Ellipsis(arena);
5843                 if (*out == NULL) goto failed;
5844                 return 0;
5845         }
5846         isinstance = PyObject_IsInstance(obj, (PyObject*)Slice_type);
5847         if (isinstance == -1) {
5848                 return 1;
5849         }
5850         if (isinstance) {
5851                 expr_ty lower;
5852                 expr_ty upper;
5853                 expr_ty step;
5854 
5855                 if (PyObject_HasAttrString(obj, "lower")) {
5856                         int res;
5857                         tmp = PyObject_GetAttrString(obj, "lower");
5858                         if (tmp == NULL) goto failed;
5859                         res = obj2ast_expr(tmp, &lower, arena);
5860                         if (res != 0) goto failed;
5861                         Py_XDECREF(tmp);
5862                         tmp = NULL;
5863                 } else {
5864                         lower = NULL;
5865                 }
5866                 if (PyObject_HasAttrString(obj, "upper")) {
5867                         int res;
5868                         tmp = PyObject_GetAttrString(obj, "upper");
5869                         if (tmp == NULL) goto failed;
5870                         res = obj2ast_expr(tmp, &upper, arena);
5871                         if (res != 0) goto failed;
5872                         Py_XDECREF(tmp);
5873                         tmp = NULL;
5874                 } else {
5875                         upper = NULL;
5876                 }
5877                 if (PyObject_HasAttrString(obj, "step")) {
5878                         int res;
5879                         tmp = PyObject_GetAttrString(obj, "step");
5880                         if (tmp == NULL) goto failed;
5881                         res = obj2ast_expr(tmp, &step, arena);
5882                         if (res != 0) goto failed;
5883                         Py_XDECREF(tmp);
5884                         tmp = NULL;
5885                 } else {
5886                         step = NULL;
5887                 }
5888                 *out = Slice(lower, upper, step, arena);
5889                 if (*out == NULL) goto failed;
5890                 return 0;
5891         }
5892         isinstance = PyObject_IsInstance(obj, (PyObject*)ExtSlice_type);
5893         if (isinstance == -1) {
5894                 return 1;
5895         }
5896         if (isinstance) {
5897                 asdl_seq* dims;
5898 
5899                 if (PyObject_HasAttrString(obj, "dims")) {
5900                         int res;
5901                         Py_ssize_t len;
5902                         Py_ssize_t i;
5903                         tmp = PyObject_GetAttrString(obj, "dims");
5904                         if (tmp == NULL) goto failed;
5905                         if (!PyList_Check(tmp)) {
5906                                 PyErr_Format(PyExc_TypeError, "ExtSlice field \"dims\" must be a list, not a %.200s", tmp->ob_type->tp_name);
5907                                 goto failed;
5908                         }
5909                         len = PyList_GET_SIZE(tmp);
5910                         dims = asdl_seq_new(len, arena);
5911                         if (dims == NULL) goto failed;
5912                         for (i = 0; i < len; i++) {
5913                                 slice_ty value;
5914                                 res = obj2ast_slice(PyList_GET_ITEM(tmp, i), &value, arena);
5915                                 if (res != 0) goto failed;
5916                                 asdl_seq_SET(dims, i, value);
5917                         }
5918                         Py_XDECREF(tmp);
5919                         tmp = NULL;
5920                 } else {
5921                         PyErr_SetString(PyExc_TypeError, "required field \"dims\" missing from ExtSlice");
5922                         return 1;
5923                 }
5924                 *out = ExtSlice(dims, arena);
5925                 if (*out == NULL) goto failed;
5926                 return 0;
5927         }
5928         isinstance = PyObject_IsInstance(obj, (PyObject*)Index_type);
5929         if (isinstance == -1) {
5930                 return 1;
5931         }
5932         if (isinstance) {
5933                 expr_ty value;
5934 
5935                 if (PyObject_HasAttrString(obj, "value")) {
5936                         int res;
5937                         tmp = PyObject_GetAttrString(obj, "value");
5938                         if (tmp == NULL) goto failed;
5939                         res = obj2ast_expr(tmp, &value, arena);
5940                         if (res != 0) goto failed;
5941                         Py_XDECREF(tmp);
5942                         tmp = NULL;
5943                 } else {
5944                         PyErr_SetString(PyExc_TypeError, "required field \"value\" missing from Index");
5945                         return 1;
5946                 }
5947                 *out = Index(value, arena);
5948                 if (*out == NULL) goto failed;
5949                 return 0;
5950         }
5951 
5952         tmp = PyObject_Repr(obj);
5953         if (tmp == NULL) goto failed;
5954         PyErr_Format(PyExc_TypeError, "expected some sort of slice, but got %.400s", PyString_AS_STRING(tmp));
5955 failed:
5956         Py_XDECREF(tmp);
5957         return 1;
5958 }
5959 
5960 int
5961 obj2ast_boolop(PyObject* obj, boolop_ty* out, PyArena* arena)
5962 {
5963         PyObject* tmp = NULL;
5964         int isinstance;
5965 
5966         isinstance = PyObject_IsInstance(obj, (PyObject *)And_type);
5967         if (isinstance == -1) {
5968                 return 1;
5969         }
5970         if (isinstance) {
5971                 *out = And;
5972                 return 0;
5973         }
5974         isinstance = PyObject_IsInstance(obj, (PyObject *)Or_type);
5975         if (isinstance == -1) {
5976                 return 1;
5977         }
5978         if (isinstance) {
5979                 *out = Or;
5980                 return 0;
5981         }
5982 
5983         tmp = PyObject_Repr(obj);
5984         if (tmp == NULL) goto failed;
5985         PyErr_Format(PyExc_TypeError, "expected some sort of boolop, but got %.400s", PyString_AS_STRING(tmp));
5986 failed:
5987         Py_XDECREF(tmp);
5988         return 1;
5989 }
5990 
5991 int
5992 obj2ast_operator(PyObject* obj, operator_ty* out, PyArena* arena)
5993 {
5994         PyObject* tmp = NULL;
5995         int isinstance;
5996 
5997         isinstance = PyObject_IsInstance(obj, (PyObject *)Add_type);
5998         if (isinstance == -1) {
5999                 return 1;
6000         }
6001         if (isinstance) {
6002                 *out = Add;
6003                 return 0;
6004         }
6005         isinstance = PyObject_IsInstance(obj, (PyObject *)Sub_type);
6006         if (isinstance == -1) {
6007                 return 1;
6008         }
6009         if (isinstance) {
6010                 *out = Sub;
6011                 return 0;
6012         }
6013         isinstance = PyObject_IsInstance(obj, (PyObject *)Mult_type);
6014         if (isinstance == -1) {
6015                 return 1;
6016         }
6017         if (isinstance) {
6018                 *out = Mult;
6019                 return 0;
6020         }
6021         isinstance = PyObject_IsInstance(obj, (PyObject *)Div_type);
6022         if (isinstance == -1) {
6023                 return 1;
6024         }
6025         if (isinstance) {
6026                 *out = Div;
6027                 return 0;
6028         }
6029         isinstance = PyObject_IsInstance(obj, (PyObject *)Mod_type);
6030         if (isinstance == -1) {
6031                 return 1;
6032         }
6033         if (isinstance) {
6034                 *out = Mod;
6035                 return 0;
6036         }
6037         isinstance = PyObject_IsInstance(obj, (PyObject *)Pow_type);
6038         if (isinstance == -1) {
6039                 return 1;
6040         }
6041         if (isinstance) {
6042                 *out = Pow;
6043                 return 0;
6044         }
6045         isinstance = PyObject_IsInstance(obj, (PyObject *)LShift_type);
6046         if (isinstance == -1) {
6047                 return 1;
6048         }
6049         if (isinstance) {
6050                 *out = LShift;
6051                 return 0;
6052         }
6053         isinstance = PyObject_IsInstance(obj, (PyObject *)RShift_type);
6054         if (isinstance == -1) {
6055                 return 1;
6056         }
6057         if (isinstance) {
6058                 *out = RShift;
6059                 return 0;
6060         }
6061         isinstance = PyObject_IsInstance(obj, (PyObject *)BitOr_type);
6062         if (isinstance == -1) {
6063                 return 1;
6064         }
6065         if (isinstance) {
6066                 *out = BitOr;
6067                 return 0;
6068         }
6069         isinstance = PyObject_IsInstance(obj, (PyObject *)BitXor_type);
6070         if (isinstance == -1) {
6071                 return 1;
6072         }
6073         if (isinstance) {
6074                 *out = BitXor;
6075                 return 0;
6076         }
6077         isinstance = PyObject_IsInstance(obj, (PyObject *)BitAnd_type);
6078         if (isinstance == -1) {
6079                 return 1;
6080         }
6081         if (isinstance) {
6082                 *out = BitAnd;
6083                 return 0;
6084         }
6085         isinstance = PyObject_IsInstance(obj, (PyObject *)FloorDiv_type);
6086         if (isinstance == -1) {
6087                 return 1;
6088         }
6089         if (isinstance) {
6090                 *out = FloorDiv;
6091                 return 0;
6092         }
6093 
6094         tmp = PyObject_Repr(obj);
6095         if (tmp == NULL) goto failed;
6096         PyErr_Format(PyExc_TypeError, "expected some sort of operator, but got %.400s", PyString_AS_STRING(tmp));
6097 failed:
6098         Py_XDECREF(tmp);
6099         return 1;
6100 }
6101 
6102 int
6103 obj2ast_unaryop(PyObject* obj, unaryop_ty* out, PyArena* arena)
6104 {
6105         PyObject* tmp = NULL;
6106         int isinstance;
6107 
6108         isinstance = PyObject_IsInstance(obj, (PyObject *)Invert_type);
6109         if (isinstance == -1) {
6110                 return 1;
6111         }
6112         if (isinstance) {
6113                 *out = Invert;
6114                 return 0;
6115         }
6116         isinstance = PyObject_IsInstance(obj, (PyObject *)Not_type);
6117         if (isinstance == -1) {
6118                 return 1;
6119         }
6120         if (isinstance) {
6121                 *out = Not;
6122                 return 0;
6123         }
6124         isinstance = PyObject_IsInstance(obj, (PyObject *)UAdd_type);
6125         if (isinstance == -1) {
6126                 return 1;
6127         }
6128         if (isinstance) {
6129                 *out = UAdd;
6130                 return 0;
6131         }
6132         isinstance = PyObject_IsInstance(obj, (PyObject *)USub_type);
6133         if (isinstance == -1) {
6134                 return 1;
6135         }
6136         if (isinstance) {
6137                 *out = USub;
6138                 return 0;
6139         }
6140 
6141         tmp = PyObject_Repr(obj);
6142         if (tmp == NULL) goto failed;
6143         PyErr_Format(PyExc_TypeError, "expected some sort of unaryop, but got %.400s", PyString_AS_STRING(tmp));
6144 failed:
6145         Py_XDECREF(tmp);
6146         return 1;
6147 }
6148 
6149 int
6150 obj2ast_cmpop(PyObject* obj, cmpop_ty* out, PyArena* arena)
6151 {
6152         PyObject* tmp = NULL;
6153         int isinstance;
6154 
6155         isinstance = PyObject_IsInstance(obj, (PyObject *)Eq_type);
6156         if (isinstance == -1) {
6157                 return 1;
6158         }
6159         if (isinstance) {
6160                 *out = Eq;
6161                 return 0;
6162         }
6163         isinstance = PyObject_IsInstance(obj, (PyObject *)NotEq_type);
6164         if (isinstance == -1) {
6165                 return 1;
6166         }
6167         if (isinstance) {
6168                 *out = NotEq;
6169                 return 0;
6170         }
6171         isinstance = PyObject_IsInstance(obj, (PyObject *)Lt_type);
6172         if (isinstance == -1) {
6173                 return 1;
6174         }
6175         if (isinstance) {
6176                 *out = Lt;
6177                 return 0;
6178         }
6179         isinstance = PyObject_IsInstance(obj, (PyObject *)LtE_type);
6180         if (isinstance == -1) {
6181                 return 1;
6182         }
6183         if (isinstance) {
6184                 *out = LtE;
6185                 return 0;
6186         }
6187         isinstance = PyObject_IsInstance(obj, (PyObject *)Gt_type);
6188         if (isinstance == -1) {
6189                 return 1;
6190         }
6191         if (isinstance) {
6192                 *out = Gt;
6193                 return 0;
6194         }
6195         isinstance = PyObject_IsInstance(obj, (PyObject *)GtE_type);
6196         if (isinstance == -1) {
6197                 return 1;
6198         }
6199         if (isinstance) {
6200                 *out = GtE;
6201                 return 0;
6202         }
6203         isinstance = PyObject_IsInstance(obj, (PyObject *)Is_type);
6204         if (isinstance == -1) {
6205                 return 1;
6206         }
6207         if (isinstance) {
6208                 *out = Is;
6209                 return 0;
6210         }
6211         isinstance = PyObject_IsInstance(obj, (PyObject *)IsNot_type);
6212         if (isinstance == -1) {
6213                 return 1;
6214         }
6215         if (isinstance) {
6216                 *out = IsNot;
6217                 return 0;
6218         }
6219         isinstance = PyObject_IsInstance(obj, (PyObject *)In_type);
6220         if (isinstance == -1) {
6221                 return 1;
6222         }
6223         if (isinstance) {
6224                 *out = In;
6225                 return 0;
6226         }
6227         isinstance = PyObject_IsInstance(obj, (PyObject *)NotIn_type);
6228         if (isinstance == -1) {
6229                 return 1;
6230         }
6231         if (isinstance) {
6232                 *out = NotIn;
6233                 return 0;
6234         }
6235 
6236         tmp = PyObject_Repr(obj);
6237         if (tmp == NULL) goto failed;
6238         PyErr_Format(PyExc_TypeError, "expected some sort of cmpop, but got %.400s", PyString_AS_STRING(tmp));
6239 failed:
6240         Py_XDECREF(tmp);
6241         return 1;
6242 }
6243 
6244 int
6245 obj2ast_comprehension(PyObject* obj, comprehension_ty* out, PyArena* arena)
6246 {
6247         PyObject* tmp = NULL;
6248         expr_ty target;
6249         expr_ty iter;
6250         asdl_seq* ifs;
6251 
6252         if (PyObject_HasAttrString(obj, "target")) {
6253                 int res;
6254                 tmp = PyObject_GetAttrString(obj, "target");
6255                 if (tmp == NULL) goto failed;
6256                 res = obj2ast_expr(tmp, &target, arena);
6257                 if (res != 0) goto failed;
6258                 Py_XDECREF(tmp);
6259                 tmp = NULL;
6260         } else {
6261                 PyErr_SetString(PyExc_TypeError, "required field \"target\" missing from comprehension");
6262                 return 1;
6263         }
6264         if (PyObject_HasAttrString(obj, "iter")) {
6265                 int res;
6266                 tmp = PyObject_GetAttrString(obj, "iter");
6267                 if (tmp == NULL) goto failed;
6268                 res = obj2ast_expr(tmp, &iter, arena);
6269                 if (res != 0) goto failed;
6270                 Py_XDECREF(tmp);
6271                 tmp = NULL;
6272         } else {
6273                 PyErr_SetString(PyExc_TypeError, "required field \"iter\" missing from comprehension");
6274                 return 1;
6275         }
6276         if (PyObject_HasAttrString(obj, "ifs")) {
6277                 int res;
6278                 Py_ssize_t len;
6279                 Py_ssize_t i;
6280                 tmp = PyObject_GetAttrString(obj, "ifs");
6281                 if (tmp == NULL) goto failed;
6282                 if (!PyList_Check(tmp)) {
6283                         PyErr_Format(PyExc_TypeError, "comprehension field \"ifs\" must be a list, not a %.200s", tmp->ob_type->tp_name);
6284                         goto failed;
6285                 }
6286                 len = PyList_GET_SIZE(tmp);
6287                 ifs = asdl_seq_new(len, arena);
6288                 if (ifs == NULL) goto failed;
6289                 for (i = 0; i < len; i++) {
6290                         expr_ty value;
6291                         res = obj2ast_expr(PyList_GET_ITEM(tmp, i), &value, arena);
6292                         if (res != 0) goto failed;
6293                         asdl_seq_SET(ifs, i, value);
6294                 }
6295                 Py_XDECREF(tmp);
6296                 tmp = NULL;
6297         } else {
6298                 PyErr_SetString(PyExc_TypeError, "required field \"ifs\" missing from comprehension");
6299                 return 1;
6300         }
6301         *out = comprehension(target, iter, ifs, arena);
6302         return 0;
6303 failed:
6304         Py_XDECREF(tmp);
6305         return 1;
6306 }
6307 
6308 int
6309 obj2ast_excepthandler(PyObject* obj, excepthandler_ty* out, PyArena* arena)
6310 {
6311         PyObject* tmp = NULL;
6312         int isinstance;
6313 
6314         int lineno;
6315         int col_offset;
6316 
6317         if (obj == Py_None) {
6318                 *out = NULL;
6319                 return 0;
6320         }
6321         if (PyObject_HasAttrString(obj, "lineno")) {
6322                 int res;
6323                 tmp = PyObject_GetAttrString(obj, "lineno");
6324                 if (tmp == NULL) goto failed;
6325                 res = obj2ast_int(tmp, &lineno, arena);
6326                 if (res != 0) goto failed;
6327                 Py_XDECREF(tmp);
6328                 tmp = NULL;
6329         } else {
6330                 PyErr_SetString(PyExc_TypeError, "required field \"lineno\" missing from excepthandler");
6331                 return 1;
6332         }
6333         if (PyObject_HasAttrString(obj, "col_offset")) {
6334                 int res;
6335                 tmp = PyObject_GetAttrString(obj, "col_offset");
6336                 if (tmp == NULL) goto failed;
6337                 res = obj2ast_int(tmp, &col_offset, arena);
6338                 if (res != 0) goto failed;
6339                 Py_XDECREF(tmp);
6340                 tmp = NULL;
6341         } else {
6342                 PyErr_SetString(PyExc_TypeError, "required field \"col_offset\" missing from excepthandler");
6343                 return 1;
6344         }
6345         isinstance = PyObject_IsInstance(obj, (PyObject*)ExceptHandler_type);
6346         if (isinstance == -1) {
6347                 return 1;
6348         }
6349         if (isinstance) {
6350                 expr_ty type;
6351                 expr_ty name;
6352                 asdl_seq* body;
6353 
6354                 if (PyObject_HasAttrString(obj, "type")) {
6355                         int res;
6356                         tmp = PyObject_GetAttrString(obj, "type");
6357                         if (tmp == NULL) goto failed;
6358                         res = obj2ast_expr(tmp, &type, arena);
6359                         if (res != 0) goto failed;
6360                         Py_XDECREF(tmp);
6361                         tmp = NULL;
6362                 } else {
6363                         type = NULL;
6364                 }
6365                 if (PyObject_HasAttrString(obj, "name")) {
6366                         int res;
6367                         tmp = PyObject_GetAttrString(obj, "name");
6368                         if (tmp == NULL) goto failed;
6369                         res = obj2ast_expr(tmp, &name, arena);
6370                         if (res != 0) goto failed;
6371                         Py_XDECREF(tmp);
6372                         tmp = NULL;
6373                 } else {
6374                         name = NULL;
6375                 }
6376                 if (PyObject_HasAttrString(obj, "body")) {
6377                         int res;
6378                         Py_ssize_t len;
6379                         Py_ssize_t i;
6380                         tmp = PyObject_GetAttrString(obj, "body");
6381                         if (tmp == NULL) goto failed;
6382                         if (!PyList_Check(tmp)) {
6383                                 PyErr_Format(PyExc_TypeError, "ExceptHandler field \"body\" must be a list, not a %.200s", tmp->ob_type->tp_name);
6384                                 goto failed;
6385                         }
6386                         len = PyList_GET_SIZE(tmp);
6387                         body = asdl_seq_new(len, arena);
6388                         if (body == NULL) goto failed;
6389                         for (i = 0; i < len; i++) {
6390                                 stmt_ty value;
6391                                 res = obj2ast_stmt(PyList_GET_ITEM(tmp, i), &value, arena);
6392                                 if (res != 0) goto failed;
6393                                 asdl_seq_SET(body, i, value);
6394                         }
6395                         Py_XDECREF(tmp);
6396                         tmp = NULL;
6397                 } else {
6398                         PyErr_SetString(PyExc_TypeError, "required field \"body\" missing from ExceptHandler");
6399                         return 1;
6400                 }
6401                 *out = ExceptHandler(type, name, body, lineno, col_offset,
6402                                      arena);
6403                 if (*out == NULL) goto failed;
6404                 return 0;
6405         }
6406 
6407         tmp = PyObject_Repr(obj);
6408         if (tmp == NULL) goto failed;
6409         PyErr_Format(PyExc_TypeError, "expected some sort of excepthandler, but got %.400s", PyString_AS_STRING(tmp));
6410 failed:
6411         Py_XDECREF(tmp);
6412         return 1;
6413 }
6414 
6415 int
6416 obj2ast_arguments(PyObject* obj, arguments_ty* out, PyArena* arena)
6417 {
6418         PyObject* tmp = NULL;
6419         asdl_seq* args;
6420         identifier vararg;
6421         identifier kwarg;
6422         asdl_seq* defaults;
6423 
6424         if (PyObject_HasAttrString(obj, "args")) {
6425                 int res;
6426                 Py_ssize_t len;
6427                 Py_ssize_t i;
6428                 tmp = PyObject_GetAttrString(obj, "args");
6429                 if (tmp == NULL) goto failed;
6430                 if (!PyList_Check(tmp)) {
6431                         PyErr_Format(PyExc_TypeError, "arguments field \"args\" must be a list, not a %.200s", tmp->ob_type->tp_name);
6432                         goto failed;
6433                 }
6434                 len = PyList_GET_SIZE(tmp);
6435                 args = asdl_seq_new(len, arena);
6436                 if (args == NULL) goto failed;
6437                 for (i = 0; i < len; i++) {
6438                         expr_ty value;
6439                         res = obj2ast_expr(PyList_GET_ITEM(tmp, i), &value, arena);
6440                         if (res != 0) goto failed;
6441                         asdl_seq_SET(args, i, value);
6442                 }
6443                 Py_XDECREF(tmp);
6444                 tmp = NULL;
6445         } else {
6446                 PyErr_SetString(PyExc_TypeError, "required field \"args\" missing from arguments");
6447                 return 1;
6448         }
6449         if (PyObject_HasAttrString(obj, "vararg")) {
6450                 int res;
6451                 tmp = PyObject_GetAttrString(obj, "vararg");
6452                 if (tmp == NULL) goto failed;
6453                 res = obj2ast_identifier(tmp, &vararg, arena);
6454                 if (res != 0) goto failed;
6455                 Py_XDECREF(tmp);
6456                 tmp = NULL;
6457         } else {
6458                 vararg = NULL;
6459         }
6460         if (PyObject_HasAttrString(obj, "kwarg")) {
6461                 int res;
6462                 tmp = PyObject_GetAttrString(obj, "kwarg");
6463                 if (tmp == NULL) goto failed;
6464                 res = obj2ast_identifier(tmp, &kwarg, arena);
6465                 if (res != 0) goto failed;
6466                 Py_XDECREF(tmp);
6467                 tmp = NULL;
6468         } else {
6469                 kwarg = NULL;
6470         }
6471         if (PyObject_HasAttrString(obj, "defaults")) {
6472                 int res;
6473                 Py_ssize_t len;
6474                 Py_ssize_t i;
6475                 tmp = PyObject_GetAttrString(obj, "defaults");
6476                 if (tmp == NULL) goto failed;
6477                 if (!PyList_Check(tmp)) {
6478                         PyErr_Format(PyExc_TypeError, "arguments field \"defaults\" must be a list, not a %.200s", tmp->ob_type->tp_name);
6479                         goto failed;
6480                 }
6481                 len = PyList_GET_SIZE(tmp);
6482                 defaults = asdl_seq_new(len, arena);
6483                 if (defaults == NULL) goto failed;
6484                 for (i = 0; i < len; i++) {
6485                         expr_ty value;
6486                         res = obj2ast_expr(PyList_GET_ITEM(tmp, i), &value, arena);
6487                         if (res != 0) goto failed;
6488                         asdl_seq_SET(defaults, i, value);
6489                 }
6490                 Py_XDECREF(tmp);
6491                 tmp = NULL;
6492         } else {
6493                 PyErr_SetString(PyExc_TypeError, "required field \"defaults\" missing from arguments");
6494                 return 1;
6495         }
6496         *out = arguments(args, vararg, kwarg, defaults, arena);
6497         return 0;
6498 failed:
6499         Py_XDECREF(tmp);
6500         return 1;
6501 }
6502 
6503 int
6504 obj2ast_keyword(PyObject* obj, keyword_ty* out, PyArena* arena)
6505 {
6506         PyObject* tmp = NULL;
6507         identifier arg;
6508         expr_ty value;
6509 
6510         if (PyObject_HasAttrString(obj, "arg")) {
6511                 int res;
6512                 tmp = PyObject_GetAttrString(obj, "arg");
6513                 if (tmp == NULL) goto failed;
6514                 res = obj2ast_identifier(tmp, &arg, arena);
6515                 if (res != 0) goto failed;
6516                 Py_XDECREF(tmp);
6517                 tmp = NULL;
6518         } else {
6519                 PyErr_SetString(PyExc_TypeError, "required field \"arg\" missing from keyword");
6520                 return 1;
6521         }
6522         if (PyObject_HasAttrString(obj, "value")) {
6523                 int res;
6524                 tmp = PyObject_GetAttrString(obj, "value");
6525                 if (tmp == NULL) goto failed;
6526                 res = obj2ast_expr(tmp, &value, arena);
6527                 if (res != 0) goto failed;
6528                 Py_XDECREF(tmp);
6529                 tmp = NULL;
6530         } else {
6531                 PyErr_SetString(PyExc_TypeError, "required field \"value\" missing from keyword");
6532                 return 1;
6533         }
6534         *out = keyword(arg, value, arena);
6535         return 0;
6536 failed:
6537         Py_XDECREF(tmp);
6538         return 1;
6539 }
6540 
6541 int
6542 obj2ast_alias(PyObject* obj, alias_ty* out, PyArena* arena)
6543 {
6544         PyObject* tmp = NULL;
6545         identifier name;
6546         identifier asname;
6547 
6548         if (PyObject_HasAttrString(obj, "name")) {
6549                 int res;
6550                 tmp = PyObject_GetAttrString(obj, "name");
6551                 if (tmp == NULL) goto failed;
6552                 res = obj2ast_identifier(tmp, &name, arena);
6553                 if (res != 0) goto failed;
6554                 Py_XDECREF(tmp);
6555                 tmp = NULL;
6556         } else {
6557                 PyErr_SetString(PyExc_TypeError, "required field \"name\" missing from alias");
6558                 return 1;
6559         }
6560         if (PyObject_HasAttrString(obj, "asname")) {
6561                 int res;
6562                 tmp = PyObject_GetAttrString(obj, "asname");
6563                 if (tmp == NULL) goto failed;
6564                 res = obj2ast_identifier(tmp, &asname, arena);
6565                 if (res != 0) goto failed;
6566                 Py_XDECREF(tmp);
6567                 tmp = NULL;
6568         } else {
6569                 asname = NULL;
6570         }
6571         *out = alias(name, asname, arena);
6572         return 0;
6573 failed:
6574         Py_XDECREF(tmp);
6575         return 1;
6576 }
6577 
6578 
6579 PyMODINIT_FUNC
6580 init_ast(void)
6581 {
6582         PyObject *m, *d;
6583         if (!init_types()) return;
6584         m = Py_InitModule3("_ast", NULL, NULL);
6585         if (!m) return;
6586         d = PyModule_GetDict(m);
6587         if (PyDict_SetItemString(d, "AST", (PyObject*)&AST_type) < 0) return;
6588         if (PyModule_AddIntConstant(m, "PyCF_ONLY_AST", PyCF_ONLY_AST) < 0)
6589                 return;
6590         if (PyModule_AddStringConstant(m, "__version__", "82160") < 0)
6591                 return;
6592         if (PyDict_SetItemString(d, "mod", (PyObject*)mod_type) < 0) return;
6593         if (PyDict_SetItemString(d, "Module", (PyObject*)Module_type) < 0)
6594             return;
6595         if (PyDict_SetItemString(d, "Interactive", (PyObject*)Interactive_type)
6596             < 0) return;
6597         if (PyDict_SetItemString(d, "Expression", (PyObject*)Expression_type) <
6598             0) return;
6599         if (PyDict_SetItemString(d, "Suite", (PyObject*)Suite_type) < 0) return;
6600         if (PyDict_SetItemString(d, "stmt", (PyObject*)stmt_type) < 0) return;
6601         if (PyDict_SetItemString(d, "FunctionDef", (PyObject*)FunctionDef_type)
6602             < 0) return;
6603         if (PyDict_SetItemString(d, "ClassDef", (PyObject*)ClassDef_type) < 0)
6604             return;
6605         if (PyDict_SetItemString(d, "Return", (PyObject*)Return_type) < 0)
6606             return;
6607         if (PyDict_SetItemString(d, "Delete", (PyObject*)Delete_type) < 0)
6608             return;
6609         if (PyDict_SetItemString(d, "Assign", (PyObject*)Assign_type) < 0)
6610             return;
6611         if (PyDict_SetItemString(d, "AugAssign", (PyObject*)AugAssign_type) <
6612             0) return;
6613         if (PyDict_SetItemString(d, "Print", (PyObject*)Print_type) < 0) return;
6614         if (PyDict_SetItemString(d, "For", (PyObject*)For_type) < 0) return;
6615         if (PyDict_SetItemString(d, "While", (PyObject*)While_type) < 0) return;
6616         if (PyDict_SetItemString(d, "If", (PyObject*)If_type) < 0) return;
6617         if (PyDict_SetItemString(d, "With", (PyObject*)With_type) < 0) return;
6618         if (PyDict_SetItemString(d, "Raise", (PyObject*)Raise_type) < 0) return;
6619         if (PyDict_SetItemString(d, "TryExcept", (PyObject*)TryExcept_type) <
6620             0) return;
6621         if (PyDict_SetItemString(d, "TryFinally", (PyObject*)TryFinally_type) <
6622             0) return;
6623         if (PyDict_SetItemString(d, "Assert", (PyObject*)Assert_type) < 0)
6624             return;
6625         if (PyDict_SetItemString(d, "Import", (PyObject*)Import_type) < 0)
6626             return;
6627         if (PyDict_SetItemString(d, "ImportFrom", (PyObject*)ImportFrom_type) <
6628             0) return;
6629         if (PyDict_SetItemString(d, "Exec", (PyObject*)Exec_type) < 0) return;
6630         if (PyDict_SetItemString(d, "Global", (PyObject*)Global_type) < 0)
6631             return;
6632         if (PyDict_SetItemString(d, "Expr", (PyObject*)Expr_type) < 0) return;
6633         if (PyDict_SetItemString(d, "Pass", (PyObject*)Pass_type) < 0) return;
6634         if (PyDict_SetItemString(d, "Break", (PyObject*)Break_type) < 0) return;
6635         if (PyDict_SetItemString(d, "Continue", (PyObject*)Continue_type) < 0)
6636             return;
6637         if (PyDict_SetItemString(d, "expr", (PyObject*)expr_type) < 0) return;
6638         if (PyDict_SetItemString(d, "BoolOp", (PyObject*)BoolOp_type) < 0)
6639             return;
6640         if (PyDict_SetItemString(d, "BinOp", (PyObject*)BinOp_type) < 0) return;
6641         if (PyDict_SetItemString(d, "UnaryOp", (PyObject*)UnaryOp_type) < 0)
6642             return;
6643         if (PyDict_SetItemString(d, "Lambda", (PyObject*)Lambda_type) < 0)
6644             return;
6645         if (PyDict_SetItemString(d, "IfExp", (PyObject*)IfExp_type) < 0) return;
6646         if (PyDict_SetItemString(d, "Dict", (PyObject*)Dict_type) < 0) return;
6647         if (PyDict_SetItemString(d, "Set", (PyObject*)Set_type) < 0) return;
6648         if (PyDict_SetItemString(d, "ListComp", (PyObject*)ListComp_type) < 0)
6649             return;
6650         if (PyDict_SetItemString(d, "SetComp", (PyObject*)SetComp_type) < 0)
6651             return;
6652         if (PyDict_SetItemString(d, "DictComp", (PyObject*)DictComp_type) < 0)
6653             return;
6654         if (PyDict_SetItemString(d, "GeneratorExp",
6655             (PyObject*)GeneratorExp_type) < 0) return;
6656         if (PyDict_SetItemString(d, "Yield", (PyObject*)Yield_type) < 0) return;
6657         if (PyDict_SetItemString(d, "Compare", (PyObject*)Compare_type) < 0)
6658             return;
6659         if (PyDict_SetItemString(d, "Call", (PyObject*)Call_type) < 0) return;
6660         if (PyDict_SetItemString(d, "Repr", (PyObject*)Repr_type) < 0) return;
6661         if (PyDict_SetItemString(d, "Num", (PyObject*)Num_type) < 0) return;
6662         if (PyDict_SetItemString(d, "Str", (PyObject*)Str_type) < 0) return;
6663         if (PyDict_SetItemString(d, "Attribute", (PyObject*)Attribute_type) <
6664             0) return;
6665         if (PyDict_SetItemString(d, "Subscript", (PyObject*)Subscript_type) <
6666             0) return;
6667         if (PyDict_SetItemString(d, "Name", (PyObject*)Name_type) < 0) return;
6668         if (PyDict_SetItemString(d, "List", (PyObject*)List_type) < 0) return;
6669         if (PyDict_SetItemString(d, "Tuple", (PyObject*)Tuple_type) < 0) return;
6670         if (PyDict_SetItemString(d, "expr_context",
6671             (PyObject*)expr_context_type) < 0) return;
6672         if (PyDict_SetItemString(d, "Load", (PyObject*)Load_type) < 0) return;
6673         if (PyDict_SetItemString(d, "Store", (PyObject*)Store_type) < 0) return;
6674         if (PyDict_SetItemString(d, "Del", (PyObject*)Del_type) < 0) return;
6675         if (PyDict_SetItemString(d, "AugLoad", (PyObject*)AugLoad_type) < 0)
6676             return;
6677         if (PyDict_SetItemString(d, "AugStore", (PyObject*)AugStore_type) < 0)
6678             return;
6679         if (PyDict_SetItemString(d, "Param", (PyObject*)Param_type) < 0) return;
6680         if (PyDict_SetItemString(d, "slice", (PyObject*)slice_type) < 0) return;
6681         if (PyDict_SetItemString(d, "Ellipsis", (PyObject*)Ellipsis_type) < 0)
6682             return;
6683         if (PyDict_SetItemString(d, "Slice", (PyObject*)Slice_type) < 0) return;
6684         if (PyDict_SetItemString(d, "ExtSlice", (PyObject*)ExtSlice_type) < 0)
6685             return;
6686         if (PyDict_SetItemString(d, "Index", (PyObject*)Index_type) < 0) return;
6687         if (PyDict_SetItemString(d, "boolop", (PyObject*)boolop_type) < 0)
6688             return;
6689         if (PyDict_SetItemString(d, "And", (PyObject*)And_type) < 0) return;
6690         if (PyDict_SetItemString(d, "Or", (PyObject*)Or_type) < 0) return;
6691         if (PyDict_SetItemString(d, "operator", (PyObject*)operator_type) < 0)
6692             return;
6693         if (PyDict_SetItemString(d, "Add", (PyObject*)Add_type) < 0) return;
6694         if (PyDict_SetItemString(d, "Sub", (PyObject*)Sub_type) < 0) return;
6695         if (PyDict_SetItemString(d, "Mult", (PyObject*)Mult_type) < 0) return;
6696         if (PyDict_SetItemString(d, "Div", (PyObject*)Div_type) < 0) return;
6697         if (PyDict_SetItemString(d, "Mod", (PyObject*)Mod_type) < 0) return;
6698         if (PyDict_SetItemString(d, "Pow", (PyObject*)Pow_type) < 0) return;
6699         if (PyDict_SetItemString(d, "LShift", (PyObject*)LShift_type) < 0)
6700             return;
6701         if (PyDict_SetItemString(d, "RShift", (PyObject*)RShift_type) < 0)
6702             return;
6703         if (PyDict_SetItemString(d, "BitOr", (PyObject*)BitOr_type) < 0) return;
6704         if (PyDict_SetItemString(d, "BitXor", (PyObject*)BitXor_type) < 0)
6705             return;
6706         if (PyDict_SetItemString(d, "BitAnd", (PyObject*)BitAnd_type) < 0)
6707             return;
6708         if (PyDict_SetItemString(d, "FloorDiv", (PyObject*)FloorDiv_type) < 0)
6709             return;
6710         if (PyDict_SetItemString(d, "unaryop", (PyObject*)unaryop_type) < 0)
6711             return;
6712         if (PyDict_SetItemString(d, "Invert", (PyObject*)Invert_type) < 0)
6713             return;
6714         if (PyDict_SetItemString(d, "Not", (PyObject*)Not_type) < 0) return;
6715         if (PyDict_SetItemString(d, "UAdd", (PyObject*)UAdd_type) < 0) return;
6716         if (PyDict_SetItemString(d, "USub", (PyObject*)USub_type) < 0) return;
6717         if (PyDict_SetItemString(d, "cmpop", (PyObject*)cmpop_type) < 0) return;
6718         if (PyDict_SetItemString(d, "Eq", (PyObject*)Eq_type) < 0) return;
6719         if (PyDict_SetItemString(d, "NotEq", (PyObject*)NotEq_type) < 0) return;
6720         if (PyDict_SetItemString(d, "Lt", (PyObject*)Lt_type) < 0) return;
6721         if (PyDict_SetItemString(d, "LtE", (PyObject*)LtE_type) < 0) return;
6722         if (PyDict_SetItemString(d, "Gt", (PyObject*)Gt_type) < 0) return;
6723         if (PyDict_SetItemString(d, "GtE", (PyObject*)GtE_type) < 0) return;
6724         if (PyDict_SetItemString(d, "Is", (PyObject*)Is_type) < 0) return;
6725         if (PyDict_SetItemString(d, "IsNot", (PyObject*)IsNot_type) < 0) return;
6726         if (PyDict_SetItemString(d, "In", (PyObject*)In_type) < 0) return;
6727         if (PyDict_SetItemString(d, "NotIn", (PyObject*)NotIn_type) < 0) return;
6728         if (PyDict_SetItemString(d, "comprehension",
6729             (PyObject*)comprehension_type) < 0) return;
6730         if (PyDict_SetItemString(d, "excepthandler",
6731             (PyObject*)excepthandler_type) < 0) return;
6732         if (PyDict_SetItemString(d, "ExceptHandler",
6733             (PyObject*)ExceptHandler_type) < 0) return;
6734         if (PyDict_SetItemString(d, "arguments", (PyObject*)arguments_type) <
6735             0) return;
6736         if (PyDict_SetItemString(d, "keyword", (PyObject*)keyword_type) < 0)
6737             return;
6738         if (PyDict_SetItemString(d, "alias", (PyObject*)alias_type) < 0) return;
6739 }
6740 
6741 
6742 PyObject* PyAST_mod2obj(mod_ty t)
6743 {
6744     init_types();
6745     return ast2obj_mod(t);
6746 }
6747 
6748 /* mode is 0 for "exec", 1 for "eval" and 2 for "single" input */
6749 mod_ty PyAST_obj2mod(PyObject* ast, PyArena* arena, int mode)
6750 {
6751     mod_ty res;
6752     PyObject *req_type[] = {(PyObject*)Module_type, (PyObject*)Expression_type,
6753                             (PyObject*)Interactive_type};
6754     char *req_name[] = {"Module", "Expression", "Interactive"};
6755     int isinstance;
6756     assert(0 <= mode && mode <= 2);
6757 
6758     init_types();
6759 
6760     isinstance = PyObject_IsInstance(ast, req_type[mode]);
6761     if (isinstance == -1)
6762         return NULL;
6763     if (!isinstance) {
6764         PyErr_Format(PyExc_TypeError, "expected %s node, got %.400s",
6765                      req_name[mode], Py_TYPE(ast)->tp_name);
6766         return NULL;
6767     }
6768     if (obj2ast_mod(ast, &res, arena) != 0)
6769         return NULL;
6770     else
6771         return res;
6772 }
6773 
6774 int PyAST_Check(PyObject* obj)
6775 {
6776     init_types();
6777     return PyObject_IsInstance(obj, (PyObject*)&AST_type);
6778 }