/* File automatically generated by Parser/asdl_c.py. */

#include <stddef.h>

#include "Python.h"
#include "Python-ast.h"
#include "structmember.h"

typedef struct {
    int initialized;
    PyObject *AST_type;
    PyObject *Add_singleton;
    PyObject *Add_type;
    PyObject *And_singleton;
    PyObject *And_type;
    PyObject *AnnAssign_type;
    PyObject *Assert_type;
    PyObject *Assign_type;
    PyObject *AsyncFor_type;
    PyObject *AsyncFunctionDef_type;
    PyObject *AsyncWith_type;
    PyObject *Attribute_type;
    PyObject *AugAssign_type;
    PyObject *AugLoad_singleton;
    PyObject *AugLoad_type;
    PyObject *AugStore_singleton;
    PyObject *AugStore_type;
    PyObject *Await_type;
    PyObject *BinOp_type;
    PyObject *BitAnd_singleton;
    PyObject *BitAnd_type;
    PyObject *BitOr_singleton;
    PyObject *BitOr_type;
    PyObject *BitXor_singleton;
    PyObject *BitXor_type;
    PyObject *BoolOp_type;
    PyObject *Break_type;
    PyObject *Call_type;
    PyObject *ClassDef_type;
    PyObject *Compare_type;
    PyObject *Constant_type;
    PyObject *Continue_type;
    PyObject *Del_singleton;
    PyObject *Del_type;
    PyObject *Delete_type;
    PyObject *DictComp_type;
    PyObject *Dict_type;
    PyObject *Div_singleton;
    PyObject *Div_type;
    PyObject *Eq_singleton;
    PyObject *Eq_type;
    PyObject *ExceptHandler_type;
    PyObject *Expr_type;
    PyObject *Expression_type;
    PyObject *ExtSlice_type;
    PyObject *FloorDiv_singleton;
    PyObject *FloorDiv_type;
    PyObject *For_type;
    PyObject *FormattedValue_type;
    PyObject *FunctionDef_type;
    PyObject *FunctionType_type;
    PyObject *GeneratorExp_type;
    PyObject *Global_type;
    PyObject *GtE_singleton;
    PyObject *GtE_type;
    PyObject *Gt_singleton;
    PyObject *Gt_type;
    PyObject *IfExp_type;
    PyObject *If_type;
    PyObject *ImportFrom_type;
    PyObject *Import_type;
    PyObject *In_singleton;
    PyObject *In_type;
    PyObject *Index_type;
    PyObject *Interactive_type;
    PyObject *Invert_singleton;
    PyObject *Invert_type;
    PyObject *IsNot_singleton;
    PyObject *IsNot_type;
    PyObject *Is_singleton;
    PyObject *Is_type;
    PyObject *JoinedStr_type;
    PyObject *LShift_singleton;
    PyObject *LShift_type;
    PyObject *Lambda_type;
    PyObject *ListComp_type;
    PyObject *List_type;
    PyObject *Load_singleton;
    PyObject *Load_type;
    PyObject *LtE_singleton;
    PyObject *LtE_type;
    PyObject *Lt_singleton;
    PyObject *Lt_type;
    PyObject *MatMult_singleton;
    PyObject *MatMult_type;
    PyObject *Mod_singleton;
    PyObject *Mod_type;
    PyObject *Module_type;
    PyObject *Mult_singleton;
    PyObject *Mult_type;
    PyObject *Name_type;
    PyObject *NamedExpr_type;
    PyObject *Nonlocal_type;
    PyObject *NotEq_singleton;
    PyObject *NotEq_type;
    PyObject *NotIn_singleton;
    PyObject *NotIn_type;
    PyObject *Not_singleton;
    PyObject *Not_type;
    PyObject *Or_singleton;
    PyObject *Or_type;
    PyObject *Param_singleton;
    PyObject *Param_type;
    PyObject *Pass_type;
    PyObject *Pow_singleton;
    PyObject *Pow_type;
    PyObject *RShift_singleton;
    PyObject *RShift_type;
    PyObject *Raise_type;
    PyObject *Return_type;
    PyObject *SetComp_type;
    PyObject *Set_type;
    PyObject *Slice_type;
    PyObject *Starred_type;
    PyObject *Store_singleton;
    PyObject *Store_type;
    PyObject *Sub_singleton;
    PyObject *Sub_type;
    PyObject *Subscript_type;
    PyObject *Suite_type;
    PyObject *Try_type;
    PyObject *Tuple_type;
    PyObject *TypeIgnore_type;
    PyObject *UAdd_singleton;
    PyObject *UAdd_type;
    PyObject *USub_singleton;
    PyObject *USub_type;
    PyObject *UnaryOp_type;
    PyObject *While_type;
    PyObject *With_type;
    PyObject *YieldFrom_type;
    PyObject *Yield_type;
    PyObject *__dict__;
    PyObject *__module__;
    PyObject *_ast;
    PyObject *_attributes;
    PyObject *_fields;
    PyObject *alias_type;
    PyObject *annotation;
    PyObject *arg;
    PyObject *arg_type;
    PyObject *args;
    PyObject *argtypes;
    PyObject *arguments_type;
    PyObject *asname;
    PyObject *attr;
    PyObject *bases;
    PyObject *body;
    PyObject *boolop_type;
    PyObject *cause;
    PyObject *cmpop_type;
    PyObject *col_offset;
    PyObject *comparators;
    PyObject *comprehension_type;
    PyObject *context_expr;
    PyObject *conversion;
    PyObject *ctx;
    PyObject *decorator_list;
    PyObject *defaults;
    PyObject *dims;
    PyObject *elt;
    PyObject *elts;
    PyObject *end_col_offset;
    PyObject *end_lineno;
    PyObject *exc;
    PyObject *excepthandler_type;
    PyObject *expr_context_type;
    PyObject *expr_type;
    PyObject *finalbody;
    PyObject *format_spec;
    PyObject *func;
    PyObject *generators;
    PyObject *handlers;
    PyObject *id;
    PyObject *ifs;
    PyObject *is_async;
    PyObject *items;
    PyObject *iter;
    PyObject *key;
    PyObject *keys;
    PyObject *keyword_type;
    PyObject *keywords;
    PyObject *kind;
    PyObject *kw_defaults;
    PyObject *kwarg;
    PyObject *kwonlyargs;
    PyObject *left;
    PyObject *level;
    PyObject *lineno;
    PyObject *lower;
    PyObject *mod_type;
    PyObject *module;
    PyObject *msg;
    PyObject *name;
    PyObject *names;
    PyObject *op;
    PyObject *operand;
    PyObject *operator_type;
    PyObject *ops;
    PyObject *optional_vars;
    PyObject *orelse;
    PyObject *posonlyargs;
    PyObject *returns;
    PyObject *right;
    PyObject *simple;
    PyObject *slice;
    PyObject *slice_type;
    PyObject *step;
    PyObject *stmt_type;
    PyObject *tag;
    PyObject *target;
    PyObject *targets;
    PyObject *test;
    PyObject *type;
    PyObject *type_comment;
    PyObject *type_ignore_type;
    PyObject *type_ignores;
    PyObject *unaryop_type;
    PyObject *upper;
    PyObject *value;
    PyObject *values;
    PyObject *vararg;
    PyObject *withitem_type;
} astmodulestate;


#define astmodulestate(o) ((astmodulestate *)PyModule_GetState(o))

static int astmodule_clear(PyObject *module)
{
    Py_CLEAR(astmodulestate(module)->AST_type);
    Py_CLEAR(astmodulestate(module)->Add_singleton);
    Py_CLEAR(astmodulestate(module)->Add_type);
    Py_CLEAR(astmodulestate(module)->And_singleton);
    Py_CLEAR(astmodulestate(module)->And_type);
    Py_CLEAR(astmodulestate(module)->AnnAssign_type);
    Py_CLEAR(astmodulestate(module)->Assert_type);
    Py_CLEAR(astmodulestate(module)->Assign_type);
    Py_CLEAR(astmodulestate(module)->AsyncFor_type);
    Py_CLEAR(astmodulestate(module)->AsyncFunctionDef_type);
    Py_CLEAR(astmodulestate(module)->AsyncWith_type);
    Py_CLEAR(astmodulestate(module)->Attribute_type);
    Py_CLEAR(astmodulestate(module)->AugAssign_type);
    Py_CLEAR(astmodulestate(module)->AugLoad_singleton);
    Py_CLEAR(astmodulestate(module)->AugLoad_type);
    Py_CLEAR(astmodulestate(module)->AugStore_singleton);
    Py_CLEAR(astmodulestate(module)->AugStore_type);
    Py_CLEAR(astmodulestate(module)->Await_type);
    Py_CLEAR(astmodulestate(module)->BinOp_type);
    Py_CLEAR(astmodulestate(module)->BitAnd_singleton);
    Py_CLEAR(astmodulestate(module)->BitAnd_type);
    Py_CLEAR(astmodulestate(module)->BitOr_singleton);
    Py_CLEAR(astmodulestate(module)->BitOr_type);
    Py_CLEAR(astmodulestate(module)->BitXor_singleton);
    Py_CLEAR(astmodulestate(module)->BitXor_type);
    Py_CLEAR(astmodulestate(module)->BoolOp_type);
    Py_CLEAR(astmodulestate(module)->Break_type);
    Py_CLEAR(astmodulestate(module)->Call_type);
    Py_CLEAR(astmodulestate(module)->ClassDef_type);
    Py_CLEAR(astmodulestate(module)->Compare_type);
    Py_CLEAR(astmodulestate(module)->Constant_type);
    Py_CLEAR(astmodulestate(module)->Continue_type);
    Py_CLEAR(astmodulestate(module)->Del_singleton);
    Py_CLEAR(astmodulestate(module)->Del_type);
    Py_CLEAR(astmodulestate(module)->Delete_type);
    Py_CLEAR(astmodulestate(module)->DictComp_type);
    Py_CLEAR(astmodulestate(module)->Dict_type);
    Py_CLEAR(astmodulestate(module)->Div_singleton);
    Py_CLEAR(astmodulestate(module)->Div_type);
    Py_CLEAR(astmodulestate(module)->Eq_singleton);
    Py_CLEAR(astmodulestate(module)->Eq_type);
    Py_CLEAR(astmodulestate(module)->ExceptHandler_type);
    Py_CLEAR(astmodulestate(module)->Expr_type);
    Py_CLEAR(astmodulestate(module)->Expression_type);
    Py_CLEAR(astmodulestate(module)->ExtSlice_type);
    Py_CLEAR(astmodulestate(module)->FloorDiv_singleton);
    Py_CLEAR(astmodulestate(module)->FloorDiv_type);
    Py_CLEAR(astmodulestate(module)->For_type);
    Py_CLEAR(astmodulestate(module)->FormattedValue_type);
    Py_CLEAR(astmodulestate(module)->FunctionDef_type);
    Py_CLEAR(astmodulestate(module)->FunctionType_type);
    Py_CLEAR(astmodulestate(module)->GeneratorExp_type);
    Py_CLEAR(astmodulestate(module)->Global_type);
    Py_CLEAR(astmodulestate(module)->GtE_singleton);
    Py_CLEAR(astmodulestate(module)->GtE_type);
    Py_CLEAR(astmodulestate(module)->Gt_singleton);
    Py_CLEAR(astmodulestate(module)->Gt_type);
    Py_CLEAR(astmodulestate(module)->IfExp_type);
    Py_CLEAR(astmodulestate(module)->If_type);
    Py_CLEAR(astmodulestate(module)->ImportFrom_type);
    Py_CLEAR(astmodulestate(module)->Import_type);
    Py_CLEAR(astmodulestate(module)->In_singleton);
    Py_CLEAR(astmodulestate(module)->In_type);
    Py_CLEAR(astmodulestate(module)->Index_type);
    Py_CLEAR(astmodulestate(module)->Interactive_type);
    Py_CLEAR(astmodulestate(module)->Invert_singleton);
    Py_CLEAR(astmodulestate(module)->Invert_type);
    Py_CLEAR(astmodulestate(module)->IsNot_singleton);
    Py_CLEAR(astmodulestate(module)->IsNot_type);
    Py_CLEAR(astmodulestate(module)->Is_singleton);
    Py_CLEAR(astmodulestate(module)->Is_type);
    Py_CLEAR(astmodulestate(module)->JoinedStr_type);
    Py_CLEAR(astmodulestate(module)->LShift_singleton);
    Py_CLEAR(astmodulestate(module)->LShift_type);
    Py_CLEAR(astmodulestate(module)->Lambda_type);
    Py_CLEAR(astmodulestate(module)->ListComp_type);
    Py_CLEAR(astmodulestate(module)->List_type);
    Py_CLEAR(astmodulestate(module)->Load_singleton);
    Py_CLEAR(astmodulestate(module)->Load_type);
    Py_CLEAR(astmodulestate(module)->LtE_singleton);
    Py_CLEAR(astmodulestate(module)->LtE_type);
    Py_CLEAR(astmodulestate(module)->Lt_singleton);
    Py_CLEAR(astmodulestate(module)->Lt_type);
    Py_CLEAR(astmodulestate(module)->MatMult_singleton);
    Py_CLEAR(astmodulestate(module)->MatMult_type);
    Py_CLEAR(astmodulestate(module)->Mod_singleton);
    Py_CLEAR(astmodulestate(module)->Mod_type);
    Py_CLEAR(astmodulestate(module)->Module_type);
    Py_CLEAR(astmodulestate(module)->Mult_singleton);
    Py_CLEAR(astmodulestate(module)->Mult_type);
    Py_CLEAR(astmodulestate(module)->Name_type);
    Py_CLEAR(astmodulestate(module)->NamedExpr_type);
    Py_CLEAR(astmodulestate(module)->Nonlocal_type);
    Py_CLEAR(astmodulestate(module)->NotEq_singleton);
    Py_CLEAR(astmodulestate(module)->NotEq_type);
    Py_CLEAR(astmodulestate(module)->NotIn_singleton);
    Py_CLEAR(astmodulestate(module)->NotIn_type);
    Py_CLEAR(astmodulestate(module)->Not_singleton);
    Py_CLEAR(astmodulestate(module)->Not_type);
    Py_CLEAR(astmodulestate(module)->Or_singleton);
    Py_CLEAR(astmodulestate(module)->Or_type);
    Py_CLEAR(astmodulestate(module)->Param_singleton);
    Py_CLEAR(astmodulestate(module)->Param_type);
    Py_CLEAR(astmodulestate(module)->Pass_type);
    Py_CLEAR(astmodulestate(module)->Pow_singleton);
    Py_CLEAR(astmodulestate(module)->Pow_type);
    Py_CLEAR(astmodulestate(module)->RShift_singleton);
    Py_CLEAR(astmodulestate(module)->RShift_type);
    Py_CLEAR(astmodulestate(module)->Raise_type);
    Py_CLEAR(astmodulestate(module)->Return_type);
    Py_CLEAR(astmodulestate(module)->SetComp_type);
    Py_CLEAR(astmodulestate(module)->Set_type);
    Py_CLEAR(astmodulestate(module)->Slice_type);
    Py_CLEAR(astmodulestate(module)->Starred_type);
    Py_CLEAR(astmodulestate(module)->Store_singleton);
    Py_CLEAR(astmodulestate(module)->Store_type);
    Py_CLEAR(astmodulestate(module)->Sub_singleton);
    Py_CLEAR(astmodulestate(module)->Sub_type);
    Py_CLEAR(astmodulestate(module)->Subscript_type);
    Py_CLEAR(astmodulestate(module)->Suite_type);
    Py_CLEAR(astmodulestate(module)->Try_type);
    Py_CLEAR(astmodulestate(module)->Tuple_type);
    Py_CLEAR(astmodulestate(module)->TypeIgnore_type);
    Py_CLEAR(astmodulestate(module)->UAdd_singleton);
    Py_CLEAR(astmodulestate(module)->UAdd_type);
    Py_CLEAR(astmodulestate(module)->USub_singleton);
    Py_CLEAR(astmodulestate(module)->USub_type);
    Py_CLEAR(astmodulestate(module)->UnaryOp_type);
    Py_CLEAR(astmodulestate(module)->While_type);
    Py_CLEAR(astmodulestate(module)->With_type);
    Py_CLEAR(astmodulestate(module)->YieldFrom_type);
    Py_CLEAR(astmodulestate(module)->Yield_type);
    Py_CLEAR(astmodulestate(module)->__dict__);
    Py_CLEAR(astmodulestate(module)->__module__);
    Py_CLEAR(astmodulestate(module)->_ast);
    Py_CLEAR(astmodulestate(module)->_attributes);
    Py_CLEAR(astmodulestate(module)->_fields);
    Py_CLEAR(astmodulestate(module)->alias_type);
    Py_CLEAR(astmodulestate(module)->annotation);
    Py_CLEAR(astmodulestate(module)->arg);
    Py_CLEAR(astmodulestate(module)->arg_type);
    Py_CLEAR(astmodulestate(module)->args);
    Py_CLEAR(astmodulestate(module)->argtypes);
    Py_CLEAR(astmodulestate(module)->arguments_type);
    Py_CLEAR(astmodulestate(module)->asname);
    Py_CLEAR(astmodulestate(module)->attr);
    Py_CLEAR(astmodulestate(module)->bases);
    Py_CLEAR(astmodulestate(module)->body);
    Py_CLEAR(astmodulestate(module)->boolop_type);
    Py_CLEAR(astmodulestate(module)->cause);
    Py_CLEAR(astmodulestate(module)->cmpop_type);
    Py_CLEAR(astmodulestate(module)->col_offset);
    Py_CLEAR(astmodulestate(module)->comparators);
    Py_CLEAR(astmodulestate(module)->comprehension_type);
    Py_CLEAR(astmodulestate(module)->context_expr);
    Py_CLEAR(astmodulestate(module)->conversion);
    Py_CLEAR(astmodulestate(module)->ctx);
    Py_CLEAR(astmodulestate(module)->decorator_list);
    Py_CLEAR(astmodulestate(module)->defaults);
    Py_CLEAR(astmodulestate(module)->dims);
    Py_CLEAR(astmodulestate(module)->elt);
    Py_CLEAR(astmodulestate(module)->elts);
    Py_CLEAR(astmodulestate(module)->end_col_offset);
    Py_CLEAR(astmodulestate(module)->end_lineno);
    Py_CLEAR(astmodulestate(module)->exc);
    Py_CLEAR(astmodulestate(module)->excepthandler_type);
    Py_CLEAR(astmodulestate(module)->expr_context_type);
    Py_CLEAR(astmodulestate(module)->expr_type);
    Py_CLEAR(astmodulestate(module)->finalbody);
    Py_CLEAR(astmodulestate(module)->format_spec);
    Py_CLEAR(astmodulestate(module)->func);
    Py_CLEAR(astmodulestate(module)->generators);
    Py_CLEAR(astmodulestate(module)->handlers);
    Py_CLEAR(astmodulestate(module)->id);
    Py_CLEAR(astmodulestate(module)->ifs);
    Py_CLEAR(astmodulestate(module)->is_async);
    Py_CLEAR(astmodulestate(module)->items);
    Py_CLEAR(astmodulestate(module)->iter);
    Py_CLEAR(astmodulestate(module)->key);
    Py_CLEAR(astmodulestate(module)->keys);
    Py_CLEAR(astmodulestate(module)->keyword_type);
    Py_CLEAR(astmodulestate(module)->keywords);
    Py_CLEAR(astmodulestate(module)->kind);
    Py_CLEAR(astmodulestate(module)->kw_defaults);
    Py_CLEAR(astmodulestate(module)->kwarg);
    Py_CLEAR(astmodulestate(module)->kwonlyargs);
    Py_CLEAR(astmodulestate(module)->left);
    Py_CLEAR(astmodulestate(module)->level);
    Py_CLEAR(astmodulestate(module)->lineno);
    Py_CLEAR(astmodulestate(module)->lower);
    Py_CLEAR(astmodulestate(module)->mod_type);
    Py_CLEAR(astmodulestate(module)->module);
    Py_CLEAR(astmodulestate(module)->msg);
    Py_CLEAR(astmodulestate(module)->name);
    Py_CLEAR(astmodulestate(module)->names);
    Py_CLEAR(astmodulestate(module)->op);
    Py_CLEAR(astmodulestate(module)->operand);
    Py_CLEAR(astmodulestate(module)->operator_type);
    Py_CLEAR(astmodulestate(module)->ops);
    Py_CLEAR(astmodulestate(module)->optional_vars);
    Py_CLEAR(astmodulestate(module)->orelse);
    Py_CLEAR(astmodulestate(module)->posonlyargs);
    Py_CLEAR(astmodulestate(module)->returns);
    Py_CLEAR(astmodulestate(module)->right);
    Py_CLEAR(astmodulestate(module)->simple);
    Py_CLEAR(astmodulestate(module)->slice);
    Py_CLEAR(astmodulestate(module)->slice_type);
    Py_CLEAR(astmodulestate(module)->step);
    Py_CLEAR(astmodulestate(module)->stmt_type);
    Py_CLEAR(astmodulestate(module)->tag);
    Py_CLEAR(astmodulestate(module)->target);
    Py_CLEAR(astmodulestate(module)->targets);
    Py_CLEAR(astmodulestate(module)->test);
    Py_CLEAR(astmodulestate(module)->type);
    Py_CLEAR(astmodulestate(module)->type_comment);
    Py_CLEAR(astmodulestate(module)->type_ignore_type);
    Py_CLEAR(astmodulestate(module)->type_ignores);
    Py_CLEAR(astmodulestate(module)->unaryop_type);
    Py_CLEAR(astmodulestate(module)->upper);
    Py_CLEAR(astmodulestate(module)->value);
    Py_CLEAR(astmodulestate(module)->values);
    Py_CLEAR(astmodulestate(module)->vararg);
    Py_CLEAR(astmodulestate(module)->withitem_type);

    return 0;
}

static int astmodule_traverse(PyObject *module, visitproc visit, void* arg)
{
    Py_VISIT(astmodulestate(module)->AST_type);
    Py_VISIT(astmodulestate(module)->Add_singleton);
    Py_VISIT(astmodulestate(module)->Add_type);
    Py_VISIT(astmodulestate(module)->And_singleton);
    Py_VISIT(astmodulestate(module)->And_type);
    Py_VISIT(astmodulestate(module)->AnnAssign_type);
    Py_VISIT(astmodulestate(module)->Assert_type);
    Py_VISIT(astmodulestate(module)->Assign_type);
    Py_VISIT(astmodulestate(module)->AsyncFor_type);
    Py_VISIT(astmodulestate(module)->AsyncFunctionDef_type);
    Py_VISIT(astmodulestate(module)->AsyncWith_type);
    Py_VISIT(astmodulestate(module)->Attribute_type);
    Py_VISIT(astmodulestate(module)->AugAssign_type);
    Py_VISIT(astmodulestate(module)->AugLoad_singleton);
    Py_VISIT(astmodulestate(module)->AugLoad_type);
    Py_VISIT(astmodulestate(module)->AugStore_singleton);
    Py_VISIT(astmodulestate(module)->AugStore_type);
    Py_VISIT(astmodulestate(module)->Await_type);
    Py_VISIT(astmodulestate(module)->BinOp_type);
    Py_VISIT(astmodulestate(module)->BitAnd_singleton);
    Py_VISIT(astmodulestate(module)->BitAnd_type);
    Py_VISIT(astmodulestate(module)->BitOr_singleton);
    Py_VISIT(astmodulestate(module)->BitOr_type);
    Py_VISIT(astmodulestate(module)->BitXor_singleton);
    Py_VISIT(astmodulestate(module)->BitXor_type);
    Py_VISIT(astmodulestate(module)->BoolOp_type);
    Py_VISIT(astmodulestate(module)->Break_type);
    Py_VISIT(astmodulestate(module)->Call_type);
    Py_VISIT(astmodulestate(module)->ClassDef_type);
    Py_VISIT(astmodulestate(module)->Compare_type);
    Py_VISIT(astmodulestate(module)->Constant_type);
    Py_VISIT(astmodulestate(module)->Continue_type);
    Py_VISIT(astmodulestate(module)->Del_singleton);
    Py_VISIT(astmodulestate(module)->Del_type);
    Py_VISIT(astmodulestate(module)->Delete_type);
    Py_VISIT(astmodulestate(module)->DictComp_type);
    Py_VISIT(astmodulestate(module)->Dict_type);
    Py_VISIT(astmodulestate(module)->Div_singleton);
    Py_VISIT(astmodulestate(module)->Div_type);
    Py_VISIT(astmodulestate(module)->Eq_singleton);
    Py_VISIT(astmodulestate(module)->Eq_type);
    Py_VISIT(astmodulestate(module)->ExceptHandler_type);
    Py_VISIT(astmodulestate(module)->Expr_type);
    Py_VISIT(astmodulestate(module)->Expression_type);
    Py_VISIT(astmodulestate(module)->ExtSlice_type);
    Py_VISIT(astmodulestate(module)->FloorDiv_singleton);
    Py_VISIT(astmodulestate(module)->FloorDiv_type);
    Py_VISIT(astmodulestate(module)->For_type);
    Py_VISIT(astmodulestate(module)->FormattedValue_type);
    Py_VISIT(astmodulestate(module)->FunctionDef_type);
    Py_VISIT(astmodulestate(module)->FunctionType_type);
    Py_VISIT(astmodulestate(module)->GeneratorExp_type);
    Py_VISIT(astmodulestate(module)->Global_type);
    Py_VISIT(astmodulestate(module)->GtE_singleton);
    Py_VISIT(astmodulestate(module)->GtE_type);
    Py_VISIT(astmodulestate(module)->Gt_singleton);
    Py_VISIT(astmodulestate(module)->Gt_type);
    Py_VISIT(astmodulestate(module)->IfExp_type);
    Py_VISIT(astmodulestate(module)->If_type);
    Py_VISIT(astmodulestate(module)->ImportFrom_type);
    Py_VISIT(astmodulestate(module)->Import_type);
    Py_VISIT(astmodulestate(module)->In_singleton);
    Py_VISIT(astmodulestate(module)->In_type);
    Py_VISIT(astmodulestate(module)->Index_type);
    Py_VISIT(astmodulestate(module)->Interactive_type);
    Py_VISIT(astmodulestate(module)->Invert_singleton);
    Py_VISIT(astmodulestate(module)->Invert_type);
    Py_VISIT(astmodulestate(module)->IsNot_singleton);
    Py_VISIT(astmodulestate(module)->IsNot_type);
    Py_VISIT(astmodulestate(module)->Is_singleton);
    Py_VISIT(astmodulestate(module)->Is_type);
    Py_VISIT(astmodulestate(module)->JoinedStr_type);
    Py_VISIT(astmodulestate(module)->LShift_singleton);
    Py_VISIT(astmodulestate(module)->LShift_type);
    Py_VISIT(astmodulestate(module)->Lambda_type);
    Py_VISIT(astmodulestate(module)->ListComp_type);
    Py_VISIT(astmodulestate(module)->List_type);
    Py_VISIT(astmodulestate(module)->Load_singleton);
    Py_VISIT(astmodulestate(module)->Load_type);
    Py_VISIT(astmodulestate(module)->LtE_singleton);
    Py_VISIT(astmodulestate(module)->LtE_type);
    Py_VISIT(astmodulestate(module)->Lt_singleton);
    Py_VISIT(astmodulestate(module)->Lt_type);
    Py_VISIT(astmodulestate(module)->MatMult_singleton);
    Py_VISIT(astmodulestate(module)->MatMult_type);
    Py_VISIT(astmodulestate(module)->Mod_singleton);
    Py_VISIT(astmodulestate(module)->Mod_type);
    Py_VISIT(astmodulestate(module)->Module_type);
    Py_VISIT(astmodulestate(module)->Mult_singleton);
    Py_VISIT(astmodulestate(module)->Mult_type);
    Py_VISIT(astmodulestate(module)->Name_type);
    Py_VISIT(astmodulestate(module)->NamedExpr_type);
    Py_VISIT(astmodulestate(module)->Nonlocal_type);
    Py_VISIT(astmodulestate(module)->NotEq_singleton);
    Py_VISIT(astmodulestate(module)->NotEq_type);
    Py_VISIT(astmodulestate(module)->NotIn_singleton);
    Py_VISIT(astmodulestate(module)->NotIn_type);
    Py_VISIT(astmodulestate(module)->Not_singleton);
    Py_VISIT(astmodulestate(module)->Not_type);
    Py_VISIT(astmodulestate(module)->Or_singleton);
    Py_VISIT(astmodulestate(module)->Or_type);
    Py_VISIT(astmodulestate(module)->Param_singleton);
    Py_VISIT(astmodulestate(module)->Param_type);
    Py_VISIT(astmodulestate(module)->Pass_type);
    Py_VISIT(astmodulestate(module)->Pow_singleton);
    Py_VISIT(astmodulestate(module)->Pow_type);
    Py_VISIT(astmodulestate(module)->RShift_singleton);
    Py_VISIT(astmodulestate(module)->RShift_type);
    Py_VISIT(astmodulestate(module)->Raise_type);
    Py_VISIT(astmodulestate(module)->Return_type);
    Py_VISIT(astmodulestate(module)->SetComp_type);
    Py_VISIT(astmodulestate(module)->Set_type);
    Py_VISIT(astmodulestate(module)->Slice_type);
    Py_VISIT(astmodulestate(module)->Starred_type);
    Py_VISIT(astmodulestate(module)->Store_singleton);
    Py_VISIT(astmodulestate(module)->Store_type);
    Py_VISIT(astmodulestate(module)->Sub_singleton);
    Py_VISIT(astmodulestate(module)->Sub_type);
    Py_VISIT(astmodulestate(module)->Subscript_type);
    Py_VISIT(astmodulestate(module)->Suite_type);
    Py_VISIT(astmodulestate(module)->Try_type);
    Py_VISIT(astmodulestate(module)->Tuple_type);
    Py_VISIT(astmodulestate(module)->TypeIgnore_type);
    Py_VISIT(astmodulestate(module)->UAdd_singleton);
    Py_VISIT(astmodulestate(module)->UAdd_type);
    Py_VISIT(astmodulestate(module)->USub_singleton);
    Py_VISIT(astmodulestate(module)->USub_type);
    Py_VISIT(astmodulestate(module)->UnaryOp_type);
    Py_VISIT(astmodulestate(module)->While_type);
    Py_VISIT(astmodulestate(module)->With_type);
    Py_VISIT(astmodulestate(module)->YieldFrom_type);
    Py_VISIT(astmodulestate(module)->Yield_type);
    Py_VISIT(astmodulestate(module)->__dict__);
    Py_VISIT(astmodulestate(module)->__module__);
    Py_VISIT(astmodulestate(module)->_ast);
    Py_VISIT(astmodulestate(module)->_attributes);
    Py_VISIT(astmodulestate(module)->_fields);
    Py_VISIT(astmodulestate(module)->alias_type);
    Py_VISIT(astmodulestate(module)->annotation);
    Py_VISIT(astmodulestate(module)->arg);
    Py_VISIT(astmodulestate(module)->arg_type);
    Py_VISIT(astmodulestate(module)->args);
    Py_VISIT(astmodulestate(module)->argtypes);
    Py_VISIT(astmodulestate(module)->arguments_type);
    Py_VISIT(astmodulestate(module)->asname);
    Py_VISIT(astmodulestate(module)->attr);
    Py_VISIT(astmodulestate(module)->bases);
    Py_VISIT(astmodulestate(module)->body);
    Py_VISIT(astmodulestate(module)->boolop_type);
    Py_VISIT(astmodulestate(module)->cause);
    Py_VISIT(astmodulestate(module)->cmpop_type);
    Py_VISIT(astmodulestate(module)->col_offset);
    Py_VISIT(astmodulestate(module)->comparators);
    Py_VISIT(astmodulestate(module)->comprehension_type);
    Py_VISIT(astmodulestate(module)->context_expr);
    Py_VISIT(astmodulestate(module)->conversion);
    Py_VISIT(astmodulestate(module)->ctx);
    Py_VISIT(astmodulestate(module)->decorator_list);
    Py_VISIT(astmodulestate(module)->defaults);
    Py_VISIT(astmodulestate(module)->dims);
    Py_VISIT(astmodulestate(module)->elt);
    Py_VISIT(astmodulestate(module)->elts);
    Py_VISIT(astmodulestate(module)->end_col_offset);
    Py_VISIT(astmodulestate(module)->end_lineno);
    Py_VISIT(astmodulestate(module)->exc);
    Py_VISIT(astmodulestate(module)->excepthandler_type);
    Py_VISIT(astmodulestate(module)->expr_context_type);
    Py_VISIT(astmodulestate(module)->expr_type);
    Py_VISIT(astmodulestate(module)->finalbody);
    Py_VISIT(astmodulestate(module)->format_spec);
    Py_VISIT(astmodulestate(module)->func);
    Py_VISIT(astmodulestate(module)->generators);
    Py_VISIT(astmodulestate(module)->handlers);
    Py_VISIT(astmodulestate(module)->id);
    Py_VISIT(astmodulestate(module)->ifs);
    Py_VISIT(astmodulestate(module)->is_async);
    Py_VISIT(astmodulestate(module)->items);
    Py_VISIT(astmodulestate(module)->iter);
    Py_VISIT(astmodulestate(module)->key);
    Py_VISIT(astmodulestate(module)->keys);
    Py_VISIT(astmodulestate(module)->keyword_type);
    Py_VISIT(astmodulestate(module)->keywords);
    Py_VISIT(astmodulestate(module)->kind);
    Py_VISIT(astmodulestate(module)->kw_defaults);
    Py_VISIT(astmodulestate(module)->kwarg);
    Py_VISIT(astmodulestate(module)->kwonlyargs);
    Py_VISIT(astmodulestate(module)->left);
    Py_VISIT(astmodulestate(module)->level);
    Py_VISIT(astmodulestate(module)->lineno);
    Py_VISIT(astmodulestate(module)->lower);
    Py_VISIT(astmodulestate(module)->mod_type);
    Py_VISIT(astmodulestate(module)->module);
    Py_VISIT(astmodulestate(module)->msg);
    Py_VISIT(astmodulestate(module)->name);
    Py_VISIT(astmodulestate(module)->names);
    Py_VISIT(astmodulestate(module)->op);
    Py_VISIT(astmodulestate(module)->operand);
    Py_VISIT(astmodulestate(module)->operator_type);
    Py_VISIT(astmodulestate(module)->ops);
    Py_VISIT(astmodulestate(module)->optional_vars);
    Py_VISIT(astmodulestate(module)->orelse);
    Py_VISIT(astmodulestate(module)->posonlyargs);
    Py_VISIT(astmodulestate(module)->returns);
    Py_VISIT(astmodulestate(module)->right);
    Py_VISIT(astmodulestate(module)->simple);
    Py_VISIT(astmodulestate(module)->slice);
    Py_VISIT(astmodulestate(module)->slice_type);
    Py_VISIT(astmodulestate(module)->step);
    Py_VISIT(astmodulestate(module)->stmt_type);
    Py_VISIT(astmodulestate(module)->tag);
    Py_VISIT(astmodulestate(module)->target);
    Py_VISIT(astmodulestate(module)->targets);
    Py_VISIT(astmodulestate(module)->test);
    Py_VISIT(astmodulestate(module)->type);
    Py_VISIT(astmodulestate(module)->type_comment);
    Py_VISIT(astmodulestate(module)->type_ignore_type);
    Py_VISIT(astmodulestate(module)->type_ignores);
    Py_VISIT(astmodulestate(module)->unaryop_type);
    Py_VISIT(astmodulestate(module)->upper);
    Py_VISIT(astmodulestate(module)->value);
    Py_VISIT(astmodulestate(module)->values);
    Py_VISIT(astmodulestate(module)->vararg);
    Py_VISIT(astmodulestate(module)->withitem_type);

    return 0;
}

static void astmodule_free(void* module) {
    astmodule_clear((PyObject*)module);
}

static struct PyModuleDef _astmodule = {
    PyModuleDef_HEAD_INIT,
    "_ast",
    NULL,
    sizeof(astmodulestate),
    NULL,
    NULL,
    astmodule_traverse,
    astmodule_clear,
    astmodule_free,
};

#define astmodulestate_global ((astmodulestate *)PyModule_GetState(PyState_FindModule(&_astmodule)))

static int init_identifiers(void)
{
    astmodulestate *state = astmodulestate_global;
    if ((state->__dict__ = PyUnicode_InternFromString("__dict__")) == NULL) return 0;
    if ((state->__module__ = PyUnicode_InternFromString("__module__")) == NULL) return 0;
    if ((state->_ast = PyUnicode_InternFromString("_ast")) == NULL) return 0;
    if ((state->_attributes = PyUnicode_InternFromString("_attributes")) == NULL) return 0;
    if ((state->_fields = PyUnicode_InternFromString("_fields")) == NULL) return 0;
    if ((state->annotation = PyUnicode_InternFromString("annotation")) == NULL) return 0;
    if ((state->arg = PyUnicode_InternFromString("arg")) == NULL) return 0;
    if ((state->args = PyUnicode_InternFromString("args")) == NULL) return 0;
    if ((state->argtypes = PyUnicode_InternFromString("argtypes")) == NULL) return 0;
    if ((state->asname = PyUnicode_InternFromString("asname")) == NULL) return 0;
    if ((state->attr = PyUnicode_InternFromString("attr")) == NULL) return 0;
    if ((state->bases = PyUnicode_InternFromString("bases")) == NULL) return 0;
    if ((state->body = PyUnicode_InternFromString("body")) == NULL) return 0;
    if ((state->cause = PyUnicode_InternFromString("cause")) == NULL) return 0;
    if ((state->col_offset = PyUnicode_InternFromString("col_offset")) == NULL) return 0;
    if ((state->comparators = PyUnicode_InternFromString("comparators")) == NULL) return 0;
    if ((state->context_expr = PyUnicode_InternFromString("context_expr")) == NULL) return 0;
    if ((state->conversion = PyUnicode_InternFromString("conversion")) == NULL) return 0;
    if ((state->ctx = PyUnicode_InternFromString("ctx")) == NULL) return 0;
    if ((state->decorator_list = PyUnicode_InternFromString("decorator_list")) == NULL) return 0;
    if ((state->defaults = PyUnicode_InternFromString("defaults")) == NULL) return 0;
    if ((state->dims = PyUnicode_InternFromString("dims")) == NULL) return 0;
    if ((state->elt = PyUnicode_InternFromString("elt")) == NULL) return 0;
    if ((state->elts = PyUnicode_InternFromString("elts")) == NULL) return 0;
    if ((state->end_col_offset = PyUnicode_InternFromString("end_col_offset")) == NULL) return 0;
    if ((state->end_lineno = PyUnicode_InternFromString("end_lineno")) == NULL) return 0;
    if ((state->exc = PyUnicode_InternFromString("exc")) == NULL) return 0;
    if ((state->finalbody = PyUnicode_InternFromString("finalbody")) == NULL) return 0;
    if ((state->format_spec = PyUnicode_InternFromString("format_spec")) == NULL) return 0;
    if ((state->func = PyUnicode_InternFromString("func")) == NULL) return 0;
    if ((state->generators = PyUnicode_InternFromString("generators")) == NULL) return 0;
    if ((state->handlers = PyUnicode_InternFromString("handlers")) == NULL) return 0;
    if ((state->id = PyUnicode_InternFromString("id")) == NULL) return 0;
    if ((state->ifs = PyUnicode_InternFromString("ifs")) == NULL) return 0;
    if ((state->is_async = PyUnicode_InternFromString("is_async")) == NULL) return 0;
    if ((state->items = PyUnicode_InternFromString("items")) == NULL) return 0;
    if ((state->iter = PyUnicode_InternFromString("iter")) == NULL) return 0;
    if ((state->key = PyUnicode_InternFromString("key")) == NULL) return 0;
    if ((state->keys = PyUnicode_InternFromString("keys")) == NULL) return 0;
    if ((state->keywords = PyUnicode_InternFromString("keywords")) == NULL) return 0;
    if ((state->kind = PyUnicode_InternFromString("kind")) == NULL) return 0;
    if ((state->kw_defaults = PyUnicode_InternFromString("kw_defaults")) == NULL) return 0;
    if ((state->kwarg = PyUnicode_InternFromString("kwarg")) == NULL) return 0;
    if ((state->kwonlyargs = PyUnicode_InternFromString("kwonlyargs")) == NULL) return 0;
    if ((state->left = PyUnicode_InternFromString("left")) == NULL) return 0;
    if ((state->level = PyUnicode_InternFromString("level")) == NULL) return 0;
    if ((state->lineno = PyUnicode_InternFromString("lineno")) == NULL) return 0;
    if ((state->lower = PyUnicode_InternFromString("lower")) == NULL) return 0;
    if ((state->module = PyUnicode_InternFromString("module")) == NULL) return 0;
    if ((state->msg = PyUnicode_InternFromString("msg")) == NULL) return 0;
    if ((state->name = PyUnicode_InternFromString("name")) == NULL) return 0;
    if ((state->names = PyUnicode_InternFromString("names")) == NULL) return 0;
    if ((state->op = PyUnicode_InternFromString("op")) == NULL) return 0;
    if ((state->operand = PyUnicode_InternFromString("operand")) == NULL) return 0;
    if ((state->ops = PyUnicode_InternFromString("ops")) == NULL) return 0;
    if ((state->optional_vars = PyUnicode_InternFromString("optional_vars")) == NULL) return 0;
    if ((state->orelse = PyUnicode_InternFromString("orelse")) == NULL) return 0;
    if ((state->posonlyargs = PyUnicode_InternFromString("posonlyargs")) == NULL) return 0;
    if ((state->returns = PyUnicode_InternFromString("returns")) == NULL) return 0;
    if ((state->right = PyUnicode_InternFromString("right")) == NULL) return 0;
    if ((state->simple = PyUnicode_InternFromString("simple")) == NULL) return 0;
    if ((state->slice = PyUnicode_InternFromString("slice")) == NULL) return 0;
    if ((state->step = PyUnicode_InternFromString("step")) == NULL) return 0;
    if ((state->tag = PyUnicode_InternFromString("tag")) == NULL) return 0;
    if ((state->target = PyUnicode_InternFromString("target")) == NULL) return 0;
    if ((state->targets = PyUnicode_InternFromString("targets")) == NULL) return 0;
    if ((state->test = PyUnicode_InternFromString("test")) == NULL) return 0;
    if ((state->type = PyUnicode_InternFromString("type")) == NULL) return 0;
    if ((state->type_comment = PyUnicode_InternFromString("type_comment")) == NULL) return 0;
    if ((state->type_ignores = PyUnicode_InternFromString("type_ignores")) == NULL) return 0;
    if ((state->upper = PyUnicode_InternFromString("upper")) == NULL) return 0;
    if ((state->value = PyUnicode_InternFromString("value")) == NULL) return 0;
    if ((state->values = PyUnicode_InternFromString("values")) == NULL) return 0;
    if ((state->vararg = PyUnicode_InternFromString("vararg")) == NULL) return 0;
    return 1;
};

static PyObject* ast2obj_mod(void*);
static const char * const Module_fields[]={
    "body",
    "type_ignores",
};
static const char * const Interactive_fields[]={
    "body",
};
static const char * const Expression_fields[]={
    "body",
};
static const char * const FunctionType_fields[]={
    "argtypes",
    "returns",
};
static const char * const Suite_fields[]={
    "body",
};
static const char * const stmt_attributes[] = {
    "lineno",
    "col_offset",
    "end_lineno",
    "end_col_offset",
};
static PyObject* ast2obj_stmt(void*);
static const char * const FunctionDef_fields[]={
    "name",
    "args",
    "body",
    "decorator_list",
    "returns",
    "type_comment",
};
static const char * const AsyncFunctionDef_fields[]={
    "name",
    "args",
    "body",
    "decorator_list",
    "returns",
    "type_comment",
};
static const char * const ClassDef_fields[]={
    "name",
    "bases",
    "keywords",
    "body",
    "decorator_list",
};
static const char * const Return_fields[]={
    "value",
};
static const char * const Delete_fields[]={
    "targets",
};
static const char * const Assign_fields[]={
    "targets",
    "value",
    "type_comment",
};
static const char * const AugAssign_fields[]={
    "target",
    "op",
    "value",
};
static const char * const AnnAssign_fields[]={
    "target",
    "annotation",
    "value",
    "simple",
};
static const char * const For_fields[]={
    "target",
    "iter",
    "body",
    "orelse",
    "type_comment",
};
static const char * const AsyncFor_fields[]={
    "target",
    "iter",
    "body",
    "orelse",
    "type_comment",
};
static const char * const While_fields[]={
    "test",
    "body",
    "orelse",
};
static const char * const If_fields[]={
    "test",
    "body",
    "orelse",
};
static const char * const With_fields[]={
    "items",
    "body",
    "type_comment",
};
static const char * const AsyncWith_fields[]={
    "items",
    "body",
    "type_comment",
};
static const char * const Raise_fields[]={
    "exc",
    "cause",
};
static const char * const Try_fields[]={
    "body",
    "handlers",
    "orelse",
    "finalbody",
};
static const char * const Assert_fields[]={
    "test",
    "msg",
};
static const char * const Import_fields[]={
    "names",
};
static const char * const ImportFrom_fields[]={
    "module",
    "names",
    "level",
};
static const char * const Global_fields[]={
    "names",
};
static const char * const Nonlocal_fields[]={
    "names",
};
static const char * const Expr_fields[]={
    "value",
};
static const char * const expr_attributes[] = {
    "lineno",
    "col_offset",
    "end_lineno",
    "end_col_offset",
};
static PyObject* ast2obj_expr(void*);
static const char * const BoolOp_fields[]={
    "op",
    "values",
};
static const char * const NamedExpr_fields[]={
    "target",
    "value",
};
static const char * const BinOp_fields[]={
    "left",
    "op",
    "right",
};
static const char * const UnaryOp_fields[]={
    "op",
    "operand",
};
static const char * const Lambda_fields[]={
    "args",
    "body",
};
static const char * const IfExp_fields[]={
    "test",
    "body",
    "orelse",
};
static const char * const Dict_fields[]={
    "keys",
    "values",
};
static const char * const Set_fields[]={
    "elts",
};
static const char * const ListComp_fields[]={
    "elt",
    "generators",
};
static const char * const SetComp_fields[]={
    "elt",
    "generators",
};
static const char * const DictComp_fields[]={
    "key",
    "value",
    "generators",
};
static const char * const GeneratorExp_fields[]={
    "elt",
    "generators",
};
static const char * const Await_fields[]={
    "value",
};
static const char * const Yield_fields[]={
    "value",
};
static const char * const YieldFrom_fields[]={
    "value",
};
static const char * const Compare_fields[]={
    "left",
    "ops",
    "comparators",
};
static const char * const Call_fields[]={
    "func",
    "args",
    "keywords",
};
static const char * const FormattedValue_fields[]={
    "value",
    "conversion",
    "format_spec",
};
static const char * const JoinedStr_fields[]={
    "values",
};
static const char * const Constant_fields[]={
    "value",
    "kind",
};
static const char * const Attribute_fields[]={
    "value",
    "attr",
    "ctx",
};
static const char * const Subscript_fields[]={
    "value",
    "slice",
    "ctx",
};
static const char * const Starred_fields[]={
    "value",
    "ctx",
};
static const char * const Name_fields[]={
    "id",
    "ctx",
};
static const char * const List_fields[]={
    "elts",
    "ctx",
};
static const char * const Tuple_fields[]={
    "elts",
    "ctx",
};
static PyObject* ast2obj_expr_context(expr_context_ty);
static PyObject* ast2obj_slice(void*);
static const char * const Slice_fields[]={
    "lower",
    "upper",
    "step",
};
static const char * const ExtSlice_fields[]={
    "dims",
};
static const char * const Index_fields[]={
    "value",
};
static PyObject* ast2obj_boolop(boolop_ty);
static PyObject* ast2obj_operator(operator_ty);
static PyObject* ast2obj_unaryop(unaryop_ty);
static PyObject* ast2obj_cmpop(cmpop_ty);
static PyObject* ast2obj_comprehension(void*);
static const char * const comprehension_fields[]={
    "target",
    "iter",
    "ifs",
    "is_async",
};
static const char * const excepthandler_attributes[] = {
    "lineno",
    "col_offset",
    "end_lineno",
    "end_col_offset",
};
static PyObject* ast2obj_excepthandler(void*);
static const char * const ExceptHandler_fields[]={
    "type",
    "name",
    "body",
};
static PyObject* ast2obj_arguments(void*);
static const char * const arguments_fields[]={
    "posonlyargs",
    "args",
    "vararg",
    "kwonlyargs",
    "kw_defaults",
    "kwarg",
    "defaults",
};
static PyObject* ast2obj_arg(void*);
static const char * const arg_attributes[] = {
    "lineno",
    "col_offset",
    "end_lineno",
    "end_col_offset",
};
static const char * const arg_fields[]={
    "arg",
    "annotation",
    "type_comment",
};
static PyObject* ast2obj_keyword(void*);
static const char * const keyword_fields[]={
    "arg",
    "value",
};
static PyObject* ast2obj_alias(void*);
static const char * const alias_fields[]={
    "name",
    "asname",
};
static PyObject* ast2obj_withitem(void*);
static const char * const withitem_fields[]={
    "context_expr",
    "optional_vars",
};
static PyObject* ast2obj_type_ignore(void*);
static const char * const TypeIgnore_fields[]={
    "lineno",
    "tag",
};



typedef struct {
    PyObject_HEAD
    PyObject *dict;
} AST_object;

static void
ast_dealloc(AST_object *self)
{
    /* bpo-31095: UnTrack is needed before calling any callbacks */
    PyTypeObject *tp = Py_TYPE(self);
    PyObject_GC_UnTrack(self);
    Py_CLEAR(self->dict);
    freefunc free_func = PyType_GetSlot(tp, Py_tp_free);
    assert(free_func != NULL);
    free_func(self);
    Py_DECREF(tp);
}

static int
ast_traverse(AST_object *self, visitproc visit, void *arg)
{
    Py_VISIT(self->dict);
    return 0;
}

static int
ast_clear(AST_object *self)
{
    Py_CLEAR(self->dict);
    return 0;
}

static int
ast_type_init(PyObject *self, PyObject *args, PyObject *kw)
{
    Py_ssize_t i, numfields = 0;
    int res = -1;
    PyObject *key, *value, *fields;
    if (_PyObject_LookupAttr((PyObject*)Py_TYPE(self), astmodulestate_global->_fields, &fields) < 0) {
        goto cleanup;
    }
    if (fields) {
        numfields = PySequence_Size(fields);
        if (numfields == -1)
            goto cleanup;
    }

    res = 0; /* if no error occurs, this stays 0 to the end */
    if (numfields < PyTuple_GET_SIZE(args)) {
        PyErr_Format(PyExc_TypeError, "%.400s constructor takes at most "
                     "%zd positional argument%s",
                     _PyType_Name(Py_TYPE(self)),
                     numfields, numfields == 1 ? "" : "s");
        res = -1;
        goto cleanup;
    }
    for (i = 0; i < PyTuple_GET_SIZE(args); i++) {
        /* cannot be reached when fields is NULL */
        PyObject *name = PySequence_GetItem(fields, i);
        if (!name) {
            res = -1;
            goto cleanup;
        }
        res = PyObject_SetAttr(self, name, PyTuple_GET_ITEM(args, i));
        Py_DECREF(name);
        if (res < 0)
            goto cleanup;
    }
    if (kw) {
        i = 0;  /* needed by PyDict_Next */
        while (PyDict_Next(kw, &i, &key, &value)) {
            res = PyObject_SetAttr(self, key, value);
            if (res < 0)
                goto cleanup;
        }
    }
  cleanup:
    Py_XDECREF(fields);
    return res;
}

/* Pickling support */
static PyObject *
ast_type_reduce(PyObject *self, PyObject *unused)
{
    PyObject *dict;
    if (_PyObject_LookupAttr(self, astmodulestate_global->__dict__, &dict) < 0) {
        return NULL;
    }
    if (dict) {
        return Py_BuildValue("O()N", Py_TYPE(self), dict);
    }
    return Py_BuildValue("O()", Py_TYPE(self));
}

static PyMemberDef ast_type_members[] = {
    {"__dictoffset__", T_PYSSIZET, offsetof(AST_object, dict), READONLY},
    {NULL}  /* Sentinel */
};

static PyMethodDef ast_type_methods[] = {
    {"__reduce__", ast_type_reduce, METH_NOARGS, NULL},
    {NULL}
};

static PyGetSetDef ast_type_getsets[] = {
    {"__dict__", PyObject_GenericGetDict, PyObject_GenericSetDict},
    {NULL}
};

static PyType_Slot AST_type_slots[] = {
    {Py_tp_dealloc, ast_dealloc},
    {Py_tp_getattro, PyObject_GenericGetAttr},
    {Py_tp_setattro, PyObject_GenericSetAttr},
    {Py_tp_traverse, ast_traverse},
    {Py_tp_clear, ast_clear},
    {Py_tp_members, ast_type_members},
    {Py_tp_methods, ast_type_methods},
    {Py_tp_getset, ast_type_getsets},
    {Py_tp_init, ast_type_init},
    {Py_tp_alloc, PyType_GenericAlloc},
    {Py_tp_new, PyType_GenericNew},
    {Py_tp_free, PyType_GenericNew},
    {Py_tp_free, PyObject_GC_Del},
    {0, 0},
};

static PyType_Spec AST_type_spec = {
    "_ast.AST",
    sizeof(AST_object),
    0,
    Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE | Py_TPFLAGS_HAVE_GC,
    AST_type_slots
};

static PyObject *
make_type(const char *type, PyObject* base, const char* const* fields, int num_fields)
{
    PyObject *fnames, *result;
    int i;
    fnames = PyTuple_New(num_fields);
    if (!fnames) return NULL;
    for (i = 0; i < num_fields; i++) {
        PyObject *field = PyUnicode_InternFromString(fields[i]);
        if (!field) {
            Py_DECREF(fnames);
            return NULL;
        }
        PyTuple_SET_ITEM(fnames, i, field);
    }
    result = PyObject_CallFunction((PyObject*)&PyType_Type, "s(O){OOOO}",
                    type, base,
                    astmodulestate_global->_fields, fnames,
                    astmodulestate_global->__module__,
                    astmodulestate_global->_ast);
    Py_DECREF(fnames);
    return result;
}

static int
add_attributes(PyObject *type, const char * const *attrs, int num_fields)
{
    int i, result;
    PyObject *s, *l = PyTuple_New(num_fields);
    if (!l)
        return 0;
    for (i = 0; i < num_fields; i++) {
        s = PyUnicode_InternFromString(attrs[i]);
        if (!s) {
            Py_DECREF(l);
            return 0;
        }
        PyTuple_SET_ITEM(l, i, s);
    }
    result = PyObject_SetAttr(type, astmodulestate_global->_attributes, l) >= 0;
    Py_DECREF(l);
    return result;
}

/* Conversion AST -> Python */

static PyObject* ast2obj_list(asdl_seq *seq, PyObject* (*func)(void*))
{
    Py_ssize_t i, n = asdl_seq_LEN(seq);
    PyObject *result = PyList_New(n);
    PyObject *value;
    if (!result)
        return NULL;
    for (i = 0; i < n; i++) {
        value = func(asdl_seq_GET(seq, i));
        if (!value) {
            Py_DECREF(result);
            return NULL;
        }
        PyList_SET_ITEM(result, i, value);
    }
    return result;
}

static PyObject* ast2obj_object(void *o)
{
    if (!o)
        o = Py_None;
    Py_INCREF((PyObject*)o);
    return (PyObject*)o;
}
#define ast2obj_singleton ast2obj_object
#define ast2obj_constant ast2obj_object
#define ast2obj_identifier ast2obj_object
#define ast2obj_string ast2obj_object
#define ast2obj_bytes ast2obj_object

static PyObject* ast2obj_int(long b)
{
    return PyLong_FromLong(b);
}

/* Conversion Python -> AST */

static int obj2ast_object(PyObject* obj, PyObject** out, PyArena* arena)
{
    if (obj == Py_None)
        obj = NULL;
    if (obj) {
        if (PyArena_AddPyObject(arena, obj) < 0) {
            *out = NULL;
            return -1;
        }
        Py_INCREF(obj);
    }
    *out = obj;
    return 0;
}

static int obj2ast_constant(PyObject* obj, PyObject** out, PyArena* arena)
{
    if (PyArena_AddPyObject(arena, obj) < 0) {
        *out = NULL;
        return -1;
    }
    Py_INCREF(obj);
    *out = obj;
    return 0;
}

static int obj2ast_identifier(PyObject* obj, PyObject** out, PyArena* arena)
{
    if (!PyUnicode_CheckExact(obj) && obj != Py_None) {
        PyErr_SetString(PyExc_TypeError, "AST identifier must be of type str");
        return 1;
    }
    return obj2ast_object(obj, out, arena);
}

static int obj2ast_string(PyObject* obj, PyObject** out, PyArena* arena)
{
    if (!PyUnicode_CheckExact(obj) && !PyBytes_CheckExact(obj)) {
        PyErr_SetString(PyExc_TypeError, "AST string must be of type str");
        return 1;
    }
    return obj2ast_object(obj, out, arena);
}

static int obj2ast_int(PyObject* obj, int* out, PyArena* arena)
{
    int i;
    if (!PyLong_Check(obj)) {
        PyErr_Format(PyExc_ValueError, "invalid integer value: %R", obj);
        return 1;
    }

    i = _PyLong_AsInt(obj);
    if (i == -1 && PyErr_Occurred())
        return 1;
    *out = i;
    return 0;
}

static int add_ast_fields(void)
{
    PyObject *empty_tuple;
    empty_tuple = PyTuple_New(0);
    if (!empty_tuple ||
        PyObject_SetAttrString(astmodulestate_global->AST_type, "_fields", empty_tuple) < 0 ||
        PyObject_SetAttrString(astmodulestate_global->AST_type, "_attributes", empty_tuple) < 0) {
        Py_XDECREF(empty_tuple);
        return -1;
    }
    Py_DECREF(empty_tuple);
    return 0;
}


static int init_types(void)
{
    PyObject *m;
    if (PyState_FindModule(&_astmodule) == NULL) {
        m = PyModule_Create(&_astmodule);
        if (!m) return 0;
        PyState_AddModule(m, &_astmodule);
    }
    astmodulestate *state = astmodulestate_global;
    if (state->initialized) return 1;
    if (init_identifiers() < 0) return 0;
    state->AST_type = PyType_FromSpec(&AST_type_spec);
    if (!state->AST_type) return 0;
    if (add_ast_fields() < 0) return 0;
    state->mod_type = make_type("mod", state->AST_type, NULL, 0);
    if (!state->mod_type) return 0;
    if (!add_attributes(state->mod_type, NULL, 0)) return 0;
    state->Module_type = make_type("Module", state->mod_type, Module_fields, 2);
    if (!state->Module_type) return 0;
    state->Interactive_type = make_type("Interactive", state->mod_type,
                                        Interactive_fields, 1);
    if (!state->Interactive_type) return 0;
    state->Expression_type = make_type("Expression", state->mod_type,
                                       Expression_fields, 1);
    if (!state->Expression_type) return 0;
    state->FunctionType_type = make_type("FunctionType", state->mod_type,
                                         FunctionType_fields, 2);
    if (!state->FunctionType_type) return 0;
    state->Suite_type = make_type("Suite", state->mod_type, Suite_fields, 1);
    if (!state->Suite_type) return 0;
    state->stmt_type = make_type("stmt", state->AST_type, NULL, 0);
    if (!state->stmt_type) return 0;
    if (!add_attributes(state->stmt_type, stmt_attributes, 4)) return 0;
    state->FunctionDef_type = make_type("FunctionDef", state->stmt_type,
                                        FunctionDef_fields, 6);
    if (!state->FunctionDef_type) return 0;
    state->AsyncFunctionDef_type = make_type("AsyncFunctionDef",
                                             state->stmt_type,
                                             AsyncFunctionDef_fields, 6);
    if (!state->AsyncFunctionDef_type) return 0;
    state->ClassDef_type = make_type("ClassDef", state->stmt_type,
                                     ClassDef_fields, 5);
    if (!state->ClassDef_type) return 0;
    state->Return_type = make_type("Return", state->stmt_type, Return_fields,
                                   1);
    if (!state->Return_type) return 0;
    state->Delete_type = make_type("Delete", state->stmt_type, Delete_fields,
                                   1);
    if (!state->Delete_type) return 0;
    state->Assign_type = make_type("Assign", state->stmt_type, Assign_fields,
                                   3);
    if (!state->Assign_type) return 0;
    state->AugAssign_type = make_type("AugAssign", state->stmt_type,
                                      AugAssign_fields, 3);
    if (!state->AugAssign_type) return 0;
    state->AnnAssign_type = make_type("AnnAssign", state->stmt_type,
                                      AnnAssign_fields, 4);
    if (!state->AnnAssign_type) return 0;
    state->For_type = make_type("For", state->stmt_type, For_fields, 5);
    if (!state->For_type) return 0;
    state->AsyncFor_type = make_type("AsyncFor", state->stmt_type,
                                     AsyncFor_fields, 5);
    if (!state->AsyncFor_type) return 0;
    state->While_type = make_type("While", state->stmt_type, While_fields, 3);
    if (!state->While_type) return 0;
    state->If_type = make_type("If", state->stmt_type, If_fields, 3);
    if (!state->If_type) return 0;
    state->With_type = make_type("With", state->stmt_type, With_fields, 3);
    if (!state->With_type) return 0;
    state->AsyncWith_type = make_type("AsyncWith", state->stmt_type,
                                      AsyncWith_fields, 3);
    if (!state->AsyncWith_type) return 0;
    state->Raise_type = make_type("Raise", state->stmt_type, Raise_fields, 2);
    if (!state->Raise_type) return 0;
    state->Try_type = make_type("Try", state->stmt_type, Try_fields, 4);
    if (!state->Try_type) return 0;
    state->Assert_type = make_type("Assert", state->stmt_type, Assert_fields,
                                   2);
    if (!state->Assert_type) return 0;
    state->Import_type = make_type("Import", state->stmt_type, Import_fields,
                                   1);
    if (!state->Import_type) return 0;
    state->ImportFrom_type = make_type("ImportFrom", state->stmt_type,
                                       ImportFrom_fields, 3);
    if (!state->ImportFrom_type) return 0;
    state->Global_type = make_type("Global", state->stmt_type, Global_fields,
                                   1);
    if (!state->Global_type) return 0;
    state->Nonlocal_type = make_type("Nonlocal", state->stmt_type,
                                     Nonlocal_fields, 1);
    if (!state->Nonlocal_type) return 0;
    state->Expr_type = make_type("Expr", state->stmt_type, Expr_fields, 1);
    if (!state->Expr_type) return 0;
    state->Pass_type = make_type("Pass", state->stmt_type, NULL, 0);
    if (!state->Pass_type) return 0;
    state->Break_type = make_type("Break", state->stmt_type, NULL, 0);
    if (!state->Break_type) return 0;
    state->Continue_type = make_type("Continue", state->stmt_type, NULL, 0);
    if (!state->Continue_type) return 0;
    state->expr_type = make_type("expr", state->AST_type, NULL, 0);
    if (!state->expr_type) return 0;
    if (!add_attributes(state->expr_type, expr_attributes, 4)) return 0;
    state->BoolOp_type = make_type("BoolOp", state->expr_type, BoolOp_fields,
                                   2);
    if (!state->BoolOp_type) return 0;
    state->NamedExpr_type = make_type("NamedExpr", state->expr_type,
                                      NamedExpr_fields, 2);
    if (!state->NamedExpr_type) return 0;
    state->BinOp_type = make_type("BinOp", state->expr_type, BinOp_fields, 3);
    if (!state->BinOp_type) return 0;
    state->UnaryOp_type = make_type("UnaryOp", state->expr_type,
                                    UnaryOp_fields, 2);
    if (!state->UnaryOp_type) return 0;
    state->Lambda_type = make_type("Lambda", state->expr_type, Lambda_fields,
                                   2);
    if (!state->Lambda_type) return 0;
    state->IfExp_type = make_type("IfExp", state->expr_type, IfExp_fields, 3);
    if (!state->IfExp_type) return 0;
    state->Dict_type = make_type("Dict", state->expr_type, Dict_fields, 2);
    if (!state->Dict_type) return 0;
    state->Set_type = make_type("Set", state->expr_type, Set_fields, 1);
    if (!state->Set_type) return 0;
    state->ListComp_type = make_type("ListComp", state->expr_type,
                                     ListComp_fields, 2);
    if (!state->ListComp_type) return 0;
    state->SetComp_type = make_type("SetComp", state->expr_type,
                                    SetComp_fields, 2);
    if (!state->SetComp_type) return 0;
    state->DictComp_type = make_type("DictComp", state->expr_type,
                                     DictComp_fields, 3);
    if (!state->DictComp_type) return 0;
    state->GeneratorExp_type = make_type("GeneratorExp", state->expr_type,
                                         GeneratorExp_fields, 2);
    if (!state->GeneratorExp_type) return 0;
    state->Await_type = make_type("Await", state->expr_type, Await_fields, 1);
    if (!state->Await_type) return 0;
    state->Yield_type = make_type("Yield", state->expr_type, Yield_fields, 1);
    if (!state->Yield_type) return 0;
    state->YieldFrom_type = make_type("YieldFrom", state->expr_type,
                                      YieldFrom_fields, 1);
    if (!state->YieldFrom_type) return 0;
    state->Compare_type = make_type("Compare", state->expr_type,
                                    Compare_fields, 3);
    if (!state->Compare_type) return 0;
    state->Call_type = make_type("Call", state->expr_type, Call_fields, 3);
    if (!state->Call_type) return 0;
    state->FormattedValue_type = make_type("FormattedValue", state->expr_type,
                                           FormattedValue_fields, 3);
    if (!state->FormattedValue_type) return 0;
    state->JoinedStr_type = make_type("JoinedStr", state->expr_type,
                                      JoinedStr_fields, 1);
    if (!state->JoinedStr_type) return 0;
    state->Constant_type = make_type("Constant", state->expr_type,
                                     Constant_fields, 2);
    if (!state->Constant_type) return 0;
    state->Attribute_type = make_type("Attribute", state->expr_type,
                                      Attribute_fields, 3);
    if (!state->Attribute_type) return 0;
    state->Subscript_type = make_type("Subscript", state->expr_type,
                                      Subscript_fields, 3);
    if (!state->Subscript_type) return 0;
    state->Starred_type = make_type("Starred", state->expr_type,
                                    Starred_fields, 2);
    if (!state->Starred_type) return 0;
    state->Name_type = make_type("Name", state->expr_type, Name_fields, 2);
    if (!state->Name_type) return 0;
    state->List_type = make_type("List", state->expr_type, List_fields, 2);
    if (!state->List_type) return 0;
    state->Tuple_type = make_type("Tuple", state->expr_type, Tuple_fields, 2);
    if (!state->Tuple_type) return 0;
    state->expr_context_type = make_type("expr_context", state->AST_type, NULL,
                                         0);
    if (!state->expr_context_type) return 0;
    if (!add_attributes(state->expr_context_type, NULL, 0)) return 0;
    state->Load_type = make_type("Load", state->expr_context_type, NULL, 0);
    if (!state->Load_type) return 0;
    state->Load_singleton = PyType_GenericNew((PyTypeObject *)state->Load_type,
                                              NULL, NULL);
    if (!state->Load_singleton) return 0;
    state->Store_type = make_type("Store", state->expr_context_type, NULL, 0);
    if (!state->Store_type) return 0;
    state->Store_singleton = PyType_GenericNew((PyTypeObject
                                               *)state->Store_type, NULL, NULL);
    if (!state->Store_singleton) return 0;
    state->Del_type = make_type("Del", state->expr_context_type, NULL, 0);
    if (!state->Del_type) return 0;
    state->Del_singleton = PyType_GenericNew((PyTypeObject *)state->Del_type,
                                             NULL, NULL);
    if (!state->Del_singleton) return 0;
    state->AugLoad_type = make_type("AugLoad", state->expr_context_type, NULL,
                                    0);
    if (!state->AugLoad_type) return 0;
    state->AugLoad_singleton = PyType_GenericNew((PyTypeObject
                                                 *)state->AugLoad_type, NULL,
                                                 NULL);
    if (!state->AugLoad_singleton) return 0;
    state->AugStore_type = make_type("AugStore", state->expr_context_type,
                                     NULL, 0);
    if (!state->AugStore_type) return 0;
    state->AugStore_singleton = PyType_GenericNew((PyTypeObject
                                                  *)state->AugStore_type, NULL,
                                                  NULL);
    if (!state->AugStore_singleton) return 0;
    state->Param_type = make_type("Param", state->expr_context_type, NULL, 0);
    if (!state->Param_type) return 0;
    state->Param_singleton = PyType_GenericNew((PyTypeObject
                                               *)state->Param_type, NULL, NULL);
    if (!state->Param_singleton) return 0;
    state->slice_type = make_type("slice", state->AST_type, NULL, 0);
    if (!state->slice_type) return 0;
    if (!add_attributes(state->slice_type, NULL, 0)) return 0;
    state->Slice_type = make_type("Slice", state->slice_type, Slice_fields, 3);
    if (!state->Slice_type) return 0;
    state->ExtSlice_type = make_type("ExtSlice", state->slice_type,
                                     ExtSlice_fields, 1);
    if (!state->ExtSlice_type) return 0;
    state->Index_type = make_type("Index", state->slice_type, Index_fields, 1);
    if (!state->Index_type) return 0;
    state->boolop_type = make_type("boolop", state->AST_type, NULL, 0);
    if (!state->boolop_type) return 0;
    if (!add_attributes(state->boolop_type, NULL, 0)) return 0;
    state->And_type = make_type("And", state->boolop_type, NULL, 0);
    if (!state->And_type) return 0;
    state->And_singleton = PyType_GenericNew((PyTypeObject *)state->And_type,
                                             NULL, NULL);
    if (!state->And_singleton) return 0;
    state->Or_type = make_type("Or", state->boolop_type, NULL, 0);
    if (!state->Or_type) return 0;
    state->Or_singleton = PyType_GenericNew((PyTypeObject *)state->Or_type,
                                            NULL, NULL);
    if (!state->Or_singleton) return 0;
    state->operator_type = make_type("operator", state->AST_type, NULL, 0);
    if (!state->operator_type) return 0;
    if (!add_attributes(state->operator_type, NULL, 0)) return 0;
    state->Add_type = make_type("Add", state->operator_type, NULL, 0);
    if (!state->Add_type) return 0;
    state->Add_singleton = PyType_GenericNew((PyTypeObject *)state->Add_type,
                                             NULL, NULL);
    if (!state->Add_singleton) return 0;
    state->Sub_type = make_type("Sub", state->operator_type, NULL, 0);
    if (!state->Sub_type) return 0;
    state->Sub_singleton = PyType_GenericNew((PyTypeObject *)state->Sub_type,
                                             NULL, NULL);
    if (!state->Sub_singleton) return 0;
    state->Mult_type = make_type("Mult", state->operator_type, NULL, 0);
    if (!state->Mult_type) return 0;
    state->Mult_singleton = PyType_GenericNew((PyTypeObject *)state->Mult_type,
                                              NULL, NULL);
    if (!state->Mult_singleton) return 0;
    state->MatMult_type = make_type("MatMult", state->operator_type, NULL, 0);
    if (!state->MatMult_type) return 0;
    state->MatMult_singleton = PyType_GenericNew((PyTypeObject
                                                 *)state->MatMult_type, NULL,
                                                 NULL);
    if (!state->MatMult_singleton) return 0;
    state->Div_type = make_type("Div", state->operator_type, NULL, 0);
    if (!state->Div_type) return 0;
    state->Div_singleton = PyType_GenericNew((PyTypeObject *)state->Div_type,
                                             NULL, NULL);
    if (!state->Div_singleton) return 0;
    state->Mod_type = make_type("Mod", state->operator_type, NULL, 0);
    if (!state->Mod_type) return 0;
    state->Mod_singleton = PyType_GenericNew((PyTypeObject *)state->Mod_type,
                                             NULL, NULL);
    if (!state->Mod_singleton) return 0;
    state->Pow_type = make_type("Pow", state->operator_type, NULL, 0);
    if (!state->Pow_type) return 0;
    state->Pow_singleton = PyType_GenericNew((PyTypeObject *)state->Pow_type,
                                             NULL, NULL);
    if (!state->Pow_singleton) return 0;
    state->LShift_type = make_type("LShift", state->operator_type, NULL, 0);
    if (!state->LShift_type) return 0;
    state->LShift_singleton = PyType_GenericNew((PyTypeObject
                                                *)state->LShift_type, NULL,
                                                NULL);
    if (!state->LShift_singleton) return 0;
    state->RShift_type = make_type("RShift", state->operator_type, NULL, 0);
    if (!state->RShift_type) return 0;
    state->RShift_singleton = PyType_GenericNew((PyTypeObject
                                                *)state->RShift_type, NULL,
                                                NULL);
    if (!state->RShift_singleton) return 0;
    state->BitOr_type = make_type("BitOr", state->operator_type, NULL, 0);
    if (!state->BitOr_type) return 0;
    state->BitOr_singleton = PyType_GenericNew((PyTypeObject
                                               *)state->BitOr_type, NULL, NULL);
    if (!state->BitOr_singleton) return 0;
    state->BitXor_type = make_type("BitXor", state->operator_type, NULL, 0);
    if (!state->BitXor_type) return 0;
    state->BitXor_singleton = PyType_GenericNew((PyTypeObject
                                                *)state->BitXor_type, NULL,
                                                NULL);
    if (!state->BitXor_singleton) return 0;
    state->BitAnd_type = make_type("BitAnd", state->operator_type, NULL, 0);
    if (!state->BitAnd_type) return 0;
    state->BitAnd_singleton = PyType_GenericNew((PyTypeObject
                                                *)state->BitAnd_type, NULL,
                                                NULL);
    if (!state->BitAnd_singleton) return 0;
    state->FloorDiv_type = make_type("FloorDiv", state->operator_type, NULL, 0);
    if (!state->FloorDiv_type) return 0;
    state->FloorDiv_singleton = PyType_GenericNew((PyTypeObject
                                                  *)state->FloorDiv_type, NULL,
                                                  NULL);
    if (!state->FloorDiv_singleton) return 0;
    state->unaryop_type = make_type("unaryop", state->AST_type, NULL, 0);
    if (!state->unaryop_type) return 0;
    if (!add_attributes(state->unaryop_type, NULL, 0)) return 0;
    state->Invert_type = make_type("Invert", state->unaryop_type, NULL, 0);
    if (!state->Invert_type) return 0;
    state->Invert_singleton = PyType_GenericNew((PyTypeObject
                                                *)state->Invert_type, NULL,
                                                NULL);
    if (!state->Invert_singleton) return 0;
    state->Not_type = make_type("Not", state->unaryop_type, NULL, 0);
    if (!state->Not_type) return 0;
    state->Not_singleton = PyType_GenericNew((PyTypeObject *)state->Not_type,
                                             NULL, NULL);
    if (!state->Not_singleton) return 0;
    state->UAdd_type = make_type("UAdd", state->unaryop_type, NULL, 0);
    if (!state->UAdd_type) return 0;
    state->UAdd_singleton = PyType_GenericNew((PyTypeObject *)state->UAdd_type,
                                              NULL, NULL);
    if (!state->UAdd_singleton) return 0;
    state->USub_type = make_type("USub", state->unaryop_type, NULL, 0);
    if (!state->USub_type) return 0;
    state->USub_singleton = PyType_GenericNew((PyTypeObject *)state->USub_type,
                                              NULL, NULL);
    if (!state->USub_singleton) return 0;
    state->cmpop_type = make_type("cmpop", state->AST_type, NULL, 0);
    if (!state->cmpop_type) return 0;
    if (!add_attributes(state->cmpop_type, NULL, 0)) return 0;
    state->Eq_type = make_type("Eq", state->cmpop_type, NULL, 0);
    if (!state->Eq_type) return 0;
    state->Eq_singleton = PyType_GenericNew((PyTypeObject *)state->Eq_type,
                                            NULL, NULL);
    if (!state->Eq_singleton) return 0;
    state->NotEq_type = make_type("NotEq", state->cmpop_type, NULL, 0);
    if (!state->NotEq_type) return 0;
    state->NotEq_singleton = PyType_GenericNew((PyTypeObject
                                               *)state->NotEq_type, NULL, NULL);
    if (!state->NotEq_singleton) return 0;
    state->Lt_type = make_type("Lt", state->cmpop_type, NULL, 0);
    if (!state->Lt_type) return 0;
    state->Lt_singleton = PyType_GenericNew((PyTypeObject *)state->Lt_type,
                                            NULL, NULL);
    if (!state->Lt_singleton) return 0;
    state->LtE_type = make_type("LtE", state->cmpop_type, NULL, 0);
    if (!state->LtE_type) return 0;
    state->LtE_singleton = PyType_GenericNew((PyTypeObject *)state->LtE_type,
                                             NULL, NULL);
    if (!state->LtE_singleton) return 0;
    state->Gt_type = make_type("Gt", state->cmpop_type, NULL, 0);
    if (!state->Gt_type) return 0;
    state->Gt_singleton = PyType_GenericNew((PyTypeObject *)state->Gt_type,
                                            NULL, NULL);
    if (!state->Gt_singleton) return 0;
    state->GtE_type = make_type("GtE", state->cmpop_type, NULL, 0);
    if (!state->GtE_type) return 0;
    state->GtE_singleton = PyType_GenericNew((PyTypeObject *)state->GtE_type,
                                             NULL, NULL);
    if (!state->GtE_singleton) return 0;
    state->Is_type = make_type("Is", state->cmpop_type, NULL, 0);
    if (!state->Is_type) return 0;
    state->Is_singleton = PyType_GenericNew((PyTypeObject *)state->Is_type,
                                            NULL, NULL);
    if (!state->Is_singleton) return 0;
    state->IsNot_type = make_type("IsNot", state->cmpop_type, NULL, 0);
    if (!state->IsNot_type) return 0;
    state->IsNot_singleton = PyType_GenericNew((PyTypeObject
                                               *)state->IsNot_type, NULL, NULL);
    if (!state->IsNot_singleton) return 0;
    state->In_type = make_type("In", state->cmpop_type, NULL, 0);
    if (!state->In_type) return 0;
    state->In_singleton = PyType_GenericNew((PyTypeObject *)state->In_type,
                                            NULL, NULL);
    if (!state->In_singleton) return 0;
    state->NotIn_type = make_type("NotIn", state->cmpop_type, NULL, 0);
    if (!state->NotIn_type) return 0;
    state->NotIn_singleton = PyType_GenericNew((PyTypeObject
                                               *)state->NotIn_type, NULL, NULL);
    if (!state->NotIn_singleton) return 0;
    state->comprehension_type = make_type("comprehension", state->AST_type,
                                          comprehension_fields, 4);
    if (!state->comprehension_type) return 0;
    if (!add_attributes(state->comprehension_type, NULL, 0)) return 0;
    state->excepthandler_type = make_type("excepthandler", state->AST_type,
                                          NULL, 0);
    if (!state->excepthandler_type) return 0;
    if (!add_attributes(state->excepthandler_type, excepthandler_attributes,
        4)) return 0;
    state->ExceptHandler_type = make_type("ExceptHandler",
                                          state->excepthandler_type,
                                          ExceptHandler_fields, 3);
    if (!state->ExceptHandler_type) return 0;
    state->arguments_type = make_type("arguments", state->AST_type,
                                      arguments_fields, 7);
    if (!state->arguments_type) return 0;
    if (!add_attributes(state->arguments_type, NULL, 0)) return 0;
    state->arg_type = make_type("arg", state->AST_type, arg_fields, 3);
    if (!state->arg_type) return 0;
    if (!add_attributes(state->arg_type, arg_attributes, 4)) return 0;
    state->keyword_type = make_type("keyword", state->AST_type, keyword_fields,
                                    2);
    if (!state->keyword_type) return 0;
    if (!add_attributes(state->keyword_type, NULL, 0)) return 0;
    state->alias_type = make_type("alias", state->AST_type, alias_fields, 2);
    if (!state->alias_type) return 0;
    if (!add_attributes(state->alias_type, NULL, 0)) return 0;
    state->withitem_type = make_type("withitem", state->AST_type,
                                     withitem_fields, 2);
    if (!state->withitem_type) return 0;
    if (!add_attributes(state->withitem_type, NULL, 0)) return 0;
    state->type_ignore_type = make_type("type_ignore", state->AST_type, NULL,
                                        0);
    if (!state->type_ignore_type) return 0;
    if (!add_attributes(state->type_ignore_type, NULL, 0)) return 0;
    state->TypeIgnore_type = make_type("TypeIgnore", state->type_ignore_type,
                                       TypeIgnore_fields, 2);
    if (!state->TypeIgnore_type) return 0;
    state->initialized = 1;
    return 1;
}

static int obj2ast_mod(PyObject* obj, mod_ty* out, PyArena* arena);
static int obj2ast_stmt(PyObject* obj, stmt_ty* out, PyArena* arena);
static int obj2ast_expr(PyObject* obj, expr_ty* out, PyArena* arena);
static int obj2ast_expr_context(PyObject* obj, expr_context_ty* out, PyArena*
                                arena);
static int obj2ast_slice(PyObject* obj, slice_ty* out, PyArena* arena);
static int obj2ast_boolop(PyObject* obj, boolop_ty* out, PyArena* arena);
static int obj2ast_operator(PyObject* obj, operator_ty* out, PyArena* arena);
static int obj2ast_unaryop(PyObject* obj, unaryop_ty* out, PyArena* arena);
static int obj2ast_cmpop(PyObject* obj, cmpop_ty* out, PyArena* arena);
static int obj2ast_comprehension(PyObject* obj, comprehension_ty* out, PyArena*
                                 arena);
static int obj2ast_excepthandler(PyObject* obj, excepthandler_ty* out, PyArena*
                                 arena);
static int obj2ast_arguments(PyObject* obj, arguments_ty* out, PyArena* arena);
static int obj2ast_arg(PyObject* obj, arg_ty* out, PyArena* arena);
static int obj2ast_keyword(PyObject* obj, keyword_ty* out, PyArena* arena);
static int obj2ast_alias(PyObject* obj, alias_ty* out, PyArena* arena);
static int obj2ast_withitem(PyObject* obj, withitem_ty* out, PyArena* arena);
static int obj2ast_type_ignore(PyObject* obj, type_ignore_ty* out, PyArena*
                               arena);

mod_ty
Module(asdl_seq * body, asdl_seq * type_ignores, PyArena *arena)
{
    mod_ty p;
    p = (mod_ty)PyArena_Malloc(arena, sizeof(*p));
    if (!p)
        return NULL;
    p->kind = Module_kind;
    p->v.Module.body = body;
    p->v.Module.type_ignores = type_ignores;
    return p;
}

mod_ty
Interactive(asdl_seq * body, PyArena *arena)
{
    mod_ty p;
    p = (mod_ty)PyArena_Malloc(arena, sizeof(*p));
    if (!p)
        return NULL;
    p->kind = Interactive_kind;
    p->v.Interactive.body = body;
    return p;
}

mod_ty
Expression(expr_ty body, PyArena *arena)
{
    mod_ty p;
    if (!body) {
        PyErr_SetString(PyExc_ValueError,
                        "field body is required for Expression");
        return NULL;
    }
    p = (mod_ty)PyArena_Malloc(arena, sizeof(*p));
    if (!p)
        return NULL;
    p->kind = Expression_kind;
    p->v.Expression.body = body;
    return p;
}

mod_ty
FunctionType(asdl_seq * argtypes, expr_ty returns, PyArena *arena)
{
    mod_ty p;
    if (!returns) {
        PyErr_SetString(PyExc_ValueError,
                        "field returns is required for FunctionType");
        return NULL;
    }
    p = (mod_ty)PyArena_Malloc(arena, sizeof(*p));
    if (!p)
        return NULL;
    p->kind = FunctionType_kind;
    p->v.FunctionType.argtypes = argtypes;
    p->v.FunctionType.returns = returns;
    return p;
}

mod_ty
Suite(asdl_seq * body, PyArena *arena)
{
    mod_ty p;
    p = (mod_ty)PyArena_Malloc(arena, sizeof(*p));
    if (!p)
        return NULL;
    p->kind = Suite_kind;
    p->v.Suite.body = body;
    return p;
}

stmt_ty
FunctionDef(identifier name, arguments_ty args, asdl_seq * body, asdl_seq *
            decorator_list, expr_ty returns, string type_comment, int lineno,
            int col_offset, int end_lineno, int end_col_offset, PyArena *arena)
{
    stmt_ty p;
    if (!name) {
        PyErr_SetString(PyExc_ValueError,
                        "field name is required for FunctionDef");
        return NULL;
    }
    if (!args) {
        PyErr_SetString(PyExc_ValueError,
                        "field args is required for FunctionDef");
        return NULL;
    }
    p = (stmt_ty)PyArena_Malloc(arena, sizeof(*p));
    if (!p)
        return NULL;
    p->kind = FunctionDef_kind;
    p->v.FunctionDef.name = name;
    p->v.FunctionDef.args = args;
    p->v.FunctionDef.body = body;
    p->v.FunctionDef.decorator_list = decorator_list;
    p->v.FunctionDef.returns = returns;
    p->v.FunctionDef.type_comment = type_comment;
    p->lineno = lineno;
    p->col_offset = col_offset;
    p->end_lineno = end_lineno;
    p->end_col_offset = end_col_offset;
    return p;
}

stmt_ty
AsyncFunctionDef(identifier name, arguments_ty args, asdl_seq * body, asdl_seq
                 * decorator_list, expr_ty returns, string type_comment, int
                 lineno, int col_offset, int end_lineno, int end_col_offset,
                 PyArena *arena)
{
    stmt_ty p;
    if (!name) {
        PyErr_SetString(PyExc_ValueError,
                        "field name is required for AsyncFunctionDef");
        return NULL;
    }
    if (!args) {
        PyErr_SetString(PyExc_ValueError,
                        "field args is required for AsyncFunctionDef");
        return NULL;
    }
    p = (stmt_ty)PyArena_Malloc(arena, sizeof(*p));
    if (!p)
        return NULL;
    p->kind = AsyncFunctionDef_kind;
    p->v.AsyncFunctionDef.name = name;
    p->v.AsyncFunctionDef.args = args;
    p->v.AsyncFunctionDef.body = body;
    p->v.AsyncFunctionDef.decorator_list = decorator_list;
    p->v.AsyncFunctionDef.returns = returns;
    p->v.AsyncFunctionDef.type_comment = type_comment;
    p->lineno = lineno;
    p->col_offset = col_offset;
    p->end_lineno = end_lineno;
    p->end_col_offset = end_col_offset;
    return p;
}

stmt_ty
ClassDef(identifier name, asdl_seq * bases, asdl_seq * keywords, asdl_seq *
         body, asdl_seq * decorator_list, int lineno, int col_offset, int
         end_lineno, int end_col_offset, PyArena *arena)
{
    stmt_ty p;
    if (!name) {
        PyErr_SetString(PyExc_ValueError,
                        "field name is required for ClassDef");
        return NULL;
    }
    p = (stmt_ty)PyArena_Malloc(arena, sizeof(*p));
    if (!p)
        return NULL;
    p->kind = ClassDef_kind;
    p->v.ClassDef.name = name;
    p->v.ClassDef.bases = bases;
    p->v.ClassDef.keywords = keywords;
    p->v.ClassDef.body = body;
    p->v.ClassDef.decorator_list = decorator_list;
    p->lineno = lineno;
    p->col_offset = col_offset;
    p->end_lineno = end_lineno;
    p->end_col_offset = end_col_offset;
    return p;
}

stmt_ty
Return(expr_ty value, int lineno, int col_offset, int end_lineno, int
       end_col_offset, PyArena *arena)
{
    stmt_ty p;
    p = (stmt_ty)PyArena_Malloc(arena, sizeof(*p));
    if (!p)
        return NULL;
    p->kind = Return_kind;
    p->v.Return.value = value;
    p->lineno = lineno;
    p->col_offset = col_offset;
    p->end_lineno = end_lineno;
    p->end_col_offset = end_col_offset;
    return p;
}

stmt_ty
Delete(asdl_seq * targets, int lineno, int col_offset, int end_lineno, int
       end_col_offset, PyArena *arena)
{
    stmt_ty p;
    p = (stmt_ty)PyArena_Malloc(arena, sizeof(*p));
    if (!p)
        return NULL;
    p->kind = Delete_kind;
    p->v.Delete.targets = targets;
    p->lineno = lineno;
    p->col_offset = col_offset;
    p->end_lineno = end_lineno;
    p->end_col_offset = end_col_offset;
    return p;
}

stmt_ty
Assign(asdl_seq * targets, expr_ty value, string type_comment, int lineno, int
       col_offset, int end_lineno, int end_col_offset, PyArena *arena)
{
    stmt_ty p;
    if (!value) {
        PyErr_SetString(PyExc_ValueError,
                        "field value is required for Assign");
        return NULL;
    }
    p = (stmt_ty)PyArena_Malloc(arena, sizeof(*p));
    if (!p)
        return NULL;
    p->kind = Assign_kind;
    p->v.Assign.targets = targets;
    p->v.Assign.value = value;
    p->v.Assign.type_comment = type_comment;
    p->lineno = lineno;
    p->col_offset = col_offset;
    p->end_lineno = end_lineno;
    p->end_col_offset = end_col_offset;
    return p;
}

stmt_ty
AugAssign(expr_ty target, operator_ty op, expr_ty value, int lineno, int
          col_offset, int end_lineno, int end_col_offset, PyArena *arena)
{
    stmt_ty p;
    if (!target) {
        PyErr_SetString(PyExc_ValueError,
                        "field target is required for AugAssign");
        return NULL;
    }
    if (!op) {
        PyErr_SetString(PyExc_ValueError,
                        "field op is required for AugAssign");
        return NULL;
    }
    if (!value) {
        PyErr_SetString(PyExc_ValueError,
                        "field value is required for AugAssign");
        return NULL;
    }
    p = (stmt_ty)PyArena_Malloc(arena, sizeof(*p));
    if (!p)
        return NULL;
    p->kind = AugAssign_kind;
    p->v.AugAssign.target = target;
    p->v.AugAssign.op = op;
    p->v.AugAssign.value = value;
    p->lineno = lineno;
    p->col_offset = col_offset;
    p->end_lineno = end_lineno;
    p->end_col_offset = end_col_offset;
    return p;
}

stmt_ty
AnnAssign(expr_ty target, expr_ty annotation, expr_ty value, int simple, int
          lineno, int col_offset, int end_lineno, int end_col_offset, PyArena
          *arena)
{
    stmt_ty p;
    if (!target) {
        PyErr_SetString(PyExc_ValueError,
                        "field target is required for AnnAssign");
        return NULL;
    }
    if (!annotation) {
        PyErr_SetString(PyExc_ValueError,
                        "field annotation is required for AnnAssign");
        return NULL;
    }
    p = (stmt_ty)PyArena_Malloc(arena, sizeof(*p));
    if (!p)
        return NULL;
    p->kind = AnnAssign_kind;
    p->v.AnnAssign.target = target;
    p->v.AnnAssign.annotation = annotation;
    p->v.AnnAssign.value = value;
    p->v.AnnAssign.simple = simple;
    p->lineno = lineno;
    p->col_offset = col_offset;
    p->end_lineno = end_lineno;
    p->end_col_offset = end_col_offset;
    return p;
}

stmt_ty
For(expr_ty target, expr_ty iter, asdl_seq * body, asdl_seq * orelse, string
    type_comment, int lineno, int col_offset, int end_lineno, int
    end_col_offset, PyArena *arena)
{
    stmt_ty p;
    if (!target) {
        PyErr_SetString(PyExc_ValueError,
                        "field target is required for For");
        return NULL;
    }
    if (!iter) {
        PyErr_SetString(PyExc_ValueError,
                        "field iter is required for For");
        return NULL;
    }
    p = (stmt_ty)PyArena_Malloc(arena, sizeof(*p));
    if (!p)
        return NULL;
    p->kind = For_kind;
    p->v.For.target = target;
    p->v.For.iter = iter;
    p->v.For.body = body;
    p->v.For.orelse = orelse;
    p->v.For.type_comment = type_comment;
    p->lineno = lineno;
    p->col_offset = col_offset;
    p->end_lineno = end_lineno;
    p->end_col_offset = end_col_offset;
    return p;
}

stmt_ty
AsyncFor(expr_ty target, expr_ty iter, asdl_seq * body, asdl_seq * orelse,
         string type_comment, int lineno, int col_offset, int end_lineno, int
         end_col_offset, PyArena *arena)
{
    stmt_ty p;
    if (!target) {
        PyErr_SetString(PyExc_ValueError,
                        "field target is required for AsyncFor");
        return NULL;
    }
    if (!iter) {
        PyErr_SetString(PyExc_ValueError,
                        "field iter is required for AsyncFor");
        return NULL;
    }
    p = (stmt_ty)PyArena_Malloc(arena, sizeof(*p));
    if (!p)
        return NULL;
    p->kind = AsyncFor_kind;
    p->v.AsyncFor.target = target;
    p->v.AsyncFor.iter = iter;
    p->v.AsyncFor.body = body;
    p->v.AsyncFor.orelse = orelse;
    p->v.AsyncFor.type_comment = type_comment;
    p->lineno = lineno;
    p->col_offset = col_offset;
    p->end_lineno = end_lineno;
    p->end_col_offset = end_col_offset;
    return p;
}

stmt_ty
While(expr_ty test, asdl_seq * body, asdl_seq * orelse, int lineno, int
      col_offset, int end_lineno, int end_col_offset, PyArena *arena)
{
    stmt_ty p;
    if (!test) {
        PyErr_SetString(PyExc_ValueError,
                        "field test is required for While");
        return NULL;
    }
    p = (stmt_ty)PyArena_Malloc(arena, sizeof(*p));
    if (!p)
        return NULL;
    p->kind = While_kind;
    p->v.While.test = test;
    p->v.While.body = body;
    p->v.While.orelse = orelse;
    p->lineno = lineno;
    p->col_offset = col_offset;
    p->end_lineno = end_lineno;
    p->end_col_offset = end_col_offset;
    return p;
}

stmt_ty
If(expr_ty test, asdl_seq * body, asdl_seq * orelse, int lineno, int
   col_offset, int end_lineno, int end_col_offset, PyArena *arena)
{
    stmt_ty p;
    if (!test) {
        PyErr_SetString(PyExc_ValueError,
                        "field test is required for If");
        return NULL;
    }
    p = (stmt_ty)PyArena_Malloc(arena, sizeof(*p));
    if (!p)
        return NULL;
    p->kind = If_kind;
    p->v.If.test = test;
    p->v.If.body = body;
    p->v.If.orelse = orelse;
    p->lineno = lineno;
    p->col_offset = col_offset;
    p->end_lineno = end_lineno;
    p->end_col_offset = end_col_offset;
    return p;
}

stmt_ty
With(asdl_seq * items, asdl_seq * body, string type_comment, int lineno, int
     col_offset, int end_lineno, int end_col_offset, PyArena *arena)
{
    stmt_ty p;
    p = (stmt_ty)PyArena_Malloc(arena, sizeof(*p));
    if (!p)
        return NULL;
    p->kind = With_kind;
    p->v.With.items = items;
    p->v.With.body = body;
    p->v.With.type_comment = type_comment;
    p->lineno = lineno;
    p->col_offset = col_offset;
    p->end_lineno = end_lineno;
    p->end_col_offset = end_col_offset;
    return p;
}

stmt_ty
AsyncWith(asdl_seq * items, asdl_seq * body, string type_comment, int lineno,
          int col_offset, int end_lineno, int end_col_offset, PyArena *arena)
{
    stmt_ty p;
    p = (stmt_ty)PyArena_Malloc(arena, sizeof(*p));
    if (!p)
        return NULL;
    p->kind = AsyncWith_kind;
    p->v.AsyncWith.items = items;
    p->v.AsyncWith.body = body;
    p->v.AsyncWith.type_comment = type_comment;
    p->lineno = lineno;
    p->col_offset = col_offset;
    p->end_lineno = end_lineno;
    p->end_col_offset = end_col_offset;
    return p;
}

stmt_ty
Raise(expr_ty exc, expr_ty cause, int lineno, int col_offset, int end_lineno,
      int end_col_offset, PyArena *arena)
{
    stmt_ty p;
    p = (stmt_ty)PyArena_Malloc(arena, sizeof(*p));
    if (!p)
        return NULL;
    p->kind = Raise_kind;
    p->v.Raise.exc = exc;
    p->v.Raise.cause = cause;
    p->lineno = lineno;
    p->col_offset = col_offset;
    p->end_lineno = end_lineno;
    p->end_col_offset = end_col_offset;
    return p;
}

stmt_ty
Try(asdl_seq * body, asdl_seq * handlers, asdl_seq * orelse, asdl_seq *
    finalbody, int lineno, int col_offset, int end_lineno, int end_col_offset,
    PyArena *arena)
{
    stmt_ty p;
    p = (stmt_ty)PyArena_Malloc(arena, sizeof(*p));
    if (!p)
        return NULL;
    p->kind = Try_kind;
    p->v.Try.body = body;
    p->v.Try.handlers = handlers;
    p->v.Try.orelse = orelse;
    p->v.Try.finalbody = finalbody;
    p->lineno = lineno;
    p->col_offset = col_offset;
    p->end_lineno = end_lineno;
    p->end_col_offset = end_col_offset;
    return p;
}

stmt_ty
Assert(expr_ty test, expr_ty msg, int lineno, int col_offset, int end_lineno,
       int end_col_offset, PyArena *arena)
{
    stmt_ty p;
    if (!test) {
        PyErr_SetString(PyExc_ValueError,
                        "field test is required for Assert");
        return NULL;
    }
    p = (stmt_ty)PyArena_Malloc(arena, sizeof(*p));
    if (!p)
        return NULL;
    p->kind = Assert_kind;
    p->v.Assert.test = test;
    p->v.Assert.msg = msg;
    p->lineno = lineno;
    p->col_offset = col_offset;
    p->end_lineno = end_lineno;
    p->end_col_offset = end_col_offset;
    return p;
}

stmt_ty
Import(asdl_seq * names, int lineno, int col_offset, int end_lineno, int
       end_col_offset, PyArena *arena)
{
    stmt_ty p;
    p = (stmt_ty)PyArena_Malloc(arena, sizeof(*p));
    if (!p)
        return NULL;
    p->kind = Import_kind;
    p->v.Import.names = names;
    p->lineno = lineno;
    p->col_offset = col_offset;
    p->end_lineno = end_lineno;
    p->end_col_offset = end_col_offset;
    return p;
}

stmt_ty
ImportFrom(identifier module, asdl_seq * names, int level, int lineno, int
           col_offset, int end_lineno, int end_col_offset, PyArena *arena)
{
    stmt_ty p;
    p = (stmt_ty)PyArena_Malloc(arena, sizeof(*p));
    if (!p)
        return NULL;
    p->kind = ImportFrom_kind;
    p->v.ImportFrom.module = module;
    p->v.ImportFrom.names = names;
    p->v.ImportFrom.level = level;
    p->lineno = lineno;
    p->col_offset = col_offset;
    p->end_lineno = end_lineno;
    p->end_col_offset = end_col_offset;
    return p;
}

stmt_ty
Global(asdl_seq * names, int lineno, int col_offset, int end_lineno, int
       end_col_offset, PyArena *arena)
{
    stmt_ty p;
    p = (stmt_ty)PyArena_Malloc(arena, sizeof(*p));
    if (!p)
        return NULL;
    p->kind = Global_kind;
    p->v.Global.names = names;
    p->lineno = lineno;
    p->col_offset = col_offset;
    p->end_lineno = end_lineno;
    p->end_col_offset = end_col_offset;
    return p;
}

stmt_ty
Nonlocal(asdl_seq * names, int lineno, int col_offset, int end_lineno, int
         end_col_offset, PyArena *arena)
{
    stmt_ty p;
    p = (stmt_ty)PyArena_Malloc(arena, sizeof(*p));
    if (!p)
        return NULL;
    p->kind = Nonlocal_kind;
    p->v.Nonlocal.names = names;
    p->lineno = lineno;
    p->col_offset = col_offset;
    p->end_lineno = end_lineno;
    p->end_col_offset = end_col_offset;
    return p;
}

stmt_ty
Expr(expr_ty value, int lineno, int col_offset, int end_lineno, int
     end_col_offset, PyArena *arena)
{
    stmt_ty p;
    if (!value) {
        PyErr_SetString(PyExc_ValueError,
                        "field value is required for Expr");
        return NULL;
    }
    p = (stmt_ty)PyArena_Malloc(arena, sizeof(*p));
    if (!p)
        return NULL;
    p->kind = Expr_kind;
    p->v.Expr.value = value;
    p->lineno = lineno;
    p->col_offset = col_offset;
    p->end_lineno = end_lineno;
    p->end_col_offset = end_col_offset;
    return p;
}

stmt_ty
Pass(int lineno, int col_offset, int end_lineno, int end_col_offset, PyArena
     *arena)
{
    stmt_ty p;
    p = (stmt_ty)PyArena_Malloc(arena, sizeof(*p));
    if (!p)
        return NULL;
    p->kind = Pass_kind;
    p->lineno = lineno;
    p->col_offset = col_offset;
    p->end_lineno = end_lineno;
    p->end_col_offset = end_col_offset;
    return p;
}

stmt_ty
Break(int lineno, int col_offset, int end_lineno, int end_col_offset, PyArena
      *arena)
{
    stmt_ty p;
    p = (stmt_ty)PyArena_Malloc(arena, sizeof(*p));
    if (!p)
        return NULL;
    p->kind = Break_kind;
    p->lineno = lineno;
    p->col_offset = col_offset;
    p->end_lineno = end_lineno;
    p->end_col_offset = end_col_offset;
    return p;
}

stmt_ty
Continue(int lineno, int col_offset, int end_lineno, int end_col_offset,
         PyArena *arena)
{
    stmt_ty p;
    p = (stmt_ty)PyArena_Malloc(arena, sizeof(*p));
    if (!p)
        return NULL;
    p->kind = Continue_kind;
    p->lineno = lineno;
    p->col_offset = col_offset;
    p->end_lineno = end_lineno;
    p->end_col_offset = end_col_offset;
    return p;
}

expr_ty
BoolOp(boolop_ty op, asdl_seq * values, int lineno, int col_offset, int
       end_lineno, int end_col_offset, PyArena *arena)
{
    expr_ty p;
    if (!op) {
        PyErr_SetString(PyExc_ValueError,
                        "field op is required for BoolOp");
        return NULL;
    }
    p = (expr_ty)PyArena_Malloc(arena, sizeof(*p));
    if (!p)
        return NULL;
    p->kind = BoolOp_kind;
    p->v.BoolOp.op = op;
    p->v.BoolOp.values = values;
    p->lineno = lineno;
    p->col_offset = col_offset;
    p->end_lineno = end_lineno;
    p->end_col_offset = end_col_offset;
    return p;
}

expr_ty
NamedExpr(expr_ty target, expr_ty value, int lineno, int col_offset, int
          end_lineno, int end_col_offset, PyArena *arena)
{
    expr_ty p;
    if (!target) {
        PyErr_SetString(PyExc_ValueError,
                        "field target is required for NamedExpr");
        return NULL;
    }
    if (!value) {
        PyErr_SetString(PyExc_ValueError,
                        "field value is required for NamedExpr");
        return NULL;
    }
    p = (expr_ty)PyArena_Malloc(arena, sizeof(*p));
    if (!p)
        return NULL;
    p->kind = NamedExpr_kind;
    p->v.NamedExpr.target = target;
    p->v.NamedExpr.value = value;
    p->lineno = lineno;
    p->col_offset = col_offset;
    p->end_lineno = end_lineno;
    p->end_col_offset = end_col_offset;
    return p;
}

expr_ty
BinOp(expr_ty left, operator_ty op, expr_ty right, int lineno, int col_offset,
      int end_lineno, int end_col_offset, PyArena *arena)
{
    expr_ty p;
    if (!left) {
        PyErr_SetString(PyExc_ValueError,
                        "field left is required for BinOp");
        return NULL;
    }
    if (!op) {
        PyErr_SetString(PyExc_ValueError,
                        "field op is required for BinOp");
        return NULL;
    }
    if (!right) {
        PyErr_SetString(PyExc_ValueError,
                        "field right is required for BinOp");
        return NULL;
    }
    p = (expr_ty)PyArena_Malloc(arena, sizeof(*p));
    if (!p)
        return NULL;
    p->kind = BinOp_kind;
    p->v.BinOp.left = left;
    p->v.BinOp.op = op;
    p->v.BinOp.right = right;
    p->lineno = lineno;
    p->col_offset = col_offset;
    p->end_lineno = end_lineno;
    p->end_col_offset = end_col_offset;
    return p;
}

expr_ty
UnaryOp(unaryop_ty op, expr_ty operand, int lineno, int col_offset, int
        end_lineno, int end_col_offset, PyArena *arena)
{
    expr_ty p;
    if (!op) {
        PyErr_SetString(PyExc_ValueError,
                        "field op is required for UnaryOp");
        return NULL;
    }
    if (!operand) {
        PyErr_SetString(PyExc_ValueError,
                        "field operand is required for UnaryOp");
        return NULL;
    }
    p = (expr_ty)PyArena_Malloc(arena, sizeof(*p));
    if (!p)
        return NULL;
    p->kind = UnaryOp_kind;
    p->v.UnaryOp.op = op;
    p->v.UnaryOp.operand = operand;
    p->lineno = lineno;
    p->col_offset = col_offset;
    p->end_lineno = end_lineno;
    p->end_col_offset = end_col_offset;
    return p;
}

expr_ty
Lambda(arguments_ty args, expr_ty body, int lineno, int col_offset, int
       end_lineno, int end_col_offset, PyArena *arena)
{
    expr_ty p;
    if (!args) {
        PyErr_SetString(PyExc_ValueError,
                        "field args is required for Lambda");
        return NULL;
    }
    if (!body) {
        PyErr_SetString(PyExc_ValueError,
                        "field body is required for Lambda");
        return NULL;
    }
    p = (expr_ty)PyArena_Malloc(arena, sizeof(*p));
    if (!p)
        return NULL;
    p->kind = Lambda_kind;
    p->v.Lambda.args = args;
    p->v.Lambda.body = body;
    p->lineno = lineno;
    p->col_offset = col_offset;
    p->end_lineno = end_lineno;
    p->end_col_offset = end_col_offset;
    return p;
}

expr_ty
IfExp(expr_ty test, expr_ty body, expr_ty orelse, int lineno, int col_offset,
      int end_lineno, int end_col_offset, PyArena *arena)
{
    expr_ty p;
    if (!test) {
        PyErr_SetString(PyExc_ValueError,
                        "field test is required for IfExp");
        return NULL;
    }
    if (!body) {
        PyErr_SetString(PyExc_ValueError,
                        "field body is required for IfExp");
        return NULL;
    }
    if (!orelse) {
        PyErr_SetString(PyExc_ValueError,
                        "field orelse is required for IfExp");
        return NULL;
    }
    p = (expr_ty)PyArena_Malloc(arena, sizeof(*p));
    if (!p)
        return NULL;
    p->kind = IfExp_kind;
    p->v.IfExp.test = test;
    p->v.IfExp.body = body;
    p->v.IfExp.orelse = orelse;
    p->lineno = lineno;
    p->col_offset = col_offset;
    p->end_lineno = end_lineno;
    p->end_col_offset = end_col_offset;
    return p;
}

expr_ty
Dict(asdl_seq * keys, asdl_seq * values, int lineno, int col_offset, int
     end_lineno, int end_col_offset, PyArena *arena)
{
    expr_ty p;
    p = (expr_ty)PyArena_Malloc(arena, sizeof(*p));
    if (!p)
        return NULL;
    p->kind = Dict_kind;
    p->v.Dict.keys = keys;
    p->v.Dict.values = values;
    p->lineno = lineno;
    p->col_offset = col_offset;
    p->end_lineno = end_lineno;
    p->end_col_offset = end_col_offset;
    return p;
}

expr_ty
Set(asdl_seq * elts, int lineno, int col_offset, int end_lineno, int
    end_col_offset, PyArena *arena)
{
    expr_ty p;
    p = (expr_ty)PyArena_Malloc(arena, sizeof(*p));
    if (!p)
        return NULL;
    p->kind = Set_kind;
    p->v.Set.elts = elts;
    p->lineno = lineno;
    p->col_offset = col_offset;
    p->end_lineno = end_lineno;
    p->end_col_offset = end_col_offset;
    return p;
}

expr_ty
ListComp(expr_ty elt, asdl_seq * generators, int lineno, int col_offset, int
         end_lineno, int end_col_offset, PyArena *arena)
{
    expr_ty p;
    if (!elt) {
        PyErr_SetString(PyExc_ValueError,
                        "field elt is required for ListComp");
        return NULL;
    }
    p = (expr_ty)PyArena_Malloc(arena, sizeof(*p));
    if (!p)
        return NULL;
    p->kind = ListComp_kind;
    p->v.ListComp.elt = elt;
    p->v.ListComp.generators = generators;
    p->lineno = lineno;
    p->col_offset = col_offset;
    p->end_lineno = end_lineno;
    p->end_col_offset = end_col_offset;
    return p;
}

expr_ty
SetComp(expr_ty elt, asdl_seq * generators, int lineno, int col_offset, int
        end_lineno, int end_col_offset, PyArena *arena)
{
    expr_ty p;
    if (!elt) {
        PyErr_SetString(PyExc_ValueError,
                        "field elt is required for SetComp");
        return NULL;
    }
    p = (expr_ty)PyArena_Malloc(arena, sizeof(*p));
    if (!p)
        return NULL;
    p->kind = SetComp_kind;
    p->v.SetComp.elt = elt;
    p->v.SetComp.generators = generators;
    p->lineno = lineno;
    p->col_offset = col_offset;
    p->end_lineno = end_lineno;
    p->end_col_offset = end_col_offset;
    return p;
}

expr_ty
DictComp(expr_ty key, expr_ty value, asdl_seq * generators, int lineno, int
         col_offset, int end_lineno, int end_col_offset, PyArena *arena)
{
    expr_ty p;
    if (!key) {
        PyErr_SetString(PyExc_ValueError,
                        "field key is required for DictComp");
        return NULL;
    }
    if (!value) {
        PyErr_SetString(PyExc_ValueError,
                        "field value is required for DictComp");
        return NULL;
    }
    p = (expr_ty)PyArena_Malloc(arena, sizeof(*p));
    if (!p)
        return NULL;
    p->kind = DictComp_kind;
    p->v.DictComp.key = key;
    p->v.DictComp.value = value;
    p->v.DictComp.generators = generators;
    p->lineno = lineno;
    p->col_offset = col_offset;
    p->end_lineno = end_lineno;
    p->end_col_offset = end_col_offset;
    return p;
}

expr_ty
GeneratorExp(expr_ty elt, asdl_seq * generators, int lineno, int col_offset,
             int end_lineno, int end_col_offset, PyArena *arena)
{
    expr_ty p;
    if (!elt) {
        PyErr_SetString(PyExc_ValueError,
                        "field elt is required for GeneratorExp");
        return NULL;
    }
    p = (expr_ty)PyArena_Malloc(arena, sizeof(*p));
    if (!p)
        return NULL;
    p->kind = GeneratorExp_kind;
    p->v.GeneratorExp.elt = elt;
    p->v.GeneratorExp.generators = generators;
    p->lineno = lineno;
    p->col_offset = col_offset;
    p->end_lineno = end_lineno;
    p->end_col_offset = end_col_offset;
    return p;
}

expr_ty
Await(expr_ty value, int lineno, int col_offset, int end_lineno, int
      end_col_offset, PyArena *arena)
{
    expr_ty p;
    if (!value) {
        PyErr_SetString(PyExc_ValueError,
                        "field value is required for Await");
        return NULL;
    }
    p = (expr_ty)PyArena_Malloc(arena, sizeof(*p));
    if (!p)
        return NULL;
    p->kind = Await_kind;
    p->v.Await.value = value;
    p->lineno = lineno;
    p->col_offset = col_offset;
    p->end_lineno = end_lineno;
    p->end_col_offset = end_col_offset;
    return p;
}

expr_ty
Yield(expr_ty value, int lineno, int col_offset, int end_lineno, int
      end_col_offset, PyArena *arena)
{
    expr_ty p;
    p = (expr_ty)PyArena_Malloc(arena, sizeof(*p));
    if (!p)
        return NULL;
    p->kind = Yield_kind;
    p->v.Yield.value = value;
    p->lineno = lineno;
    p->col_offset = col_offset;
    p->end_lineno = end_lineno;
    p->end_col_offset = end_col_offset;
    return p;
}

expr_ty
YieldFrom(expr_ty value, int lineno, int col_offset, int end_lineno, int
          end_col_offset, PyArena *arena)
{
    expr_ty p;
    if (!value) {
        PyErr_SetString(PyExc_ValueError,
                        "field value is required for YieldFrom");
        return NULL;
    }
    p = (expr_ty)PyArena_Malloc(arena, sizeof(*p));
    if (!p)
        return NULL;
    p->kind = YieldFrom_kind;
    p->v.YieldFrom.value = value;
    p->lineno = lineno;
    p->col_offset = col_offset;
    p->end_lineno = end_lineno;
    p->end_col_offset = end_col_offset;
    return p;
}

expr_ty
Compare(expr_ty left, asdl_int_seq * ops, asdl_seq * comparators, int lineno,
        int col_offset, int end_lineno, int end_col_offset, PyArena *arena)
{
    expr_ty p;
    if (!left) {
        PyErr_SetString(PyExc_ValueError,
                        "field left is required for Compare");
        return NULL;
    }
    p = (expr_ty)PyArena_Malloc(arena, sizeof(*p));
    if (!p)
        return NULL;
    p->kind = Compare_kind;
    p->v.Compare.left = left;
    p->v.Compare.ops = ops;
    p->v.Compare.comparators = comparators;
    p->lineno = lineno;
    p->col_offset = col_offset;
    p->end_lineno = end_lineno;
    p->end_col_offset = end_col_offset;
    return p;
}

expr_ty
Call(expr_ty func, asdl_seq * args, asdl_seq * keywords, int lineno, int
     col_offset, int end_lineno, int end_col_offset, PyArena *arena)
{
    expr_ty p;
    if (!func) {
        PyErr_SetString(PyExc_ValueError,
                        "field func is required for Call");
        return NULL;
    }
    p = (expr_ty)PyArena_Malloc(arena, sizeof(*p));
    if (!p)
        return NULL;
    p->kind = Call_kind;
    p->v.Call.func = func;
    p->v.Call.args = args;
    p->v.Call.keywords = keywords;
    p->lineno = lineno;
    p->col_offset = col_offset;
    p->end_lineno = end_lineno;
    p->end_col_offset = end_col_offset;
    return p;
}

expr_ty
FormattedValue(expr_ty value, int conversion, expr_ty format_spec, int lineno,
               int col_offset, int end_lineno, int end_col_offset, PyArena
               *arena)
{
    expr_ty p;
    if (!value) {
        PyErr_SetString(PyExc_ValueError,
                        "field value is required for FormattedValue");
        return NULL;
    }
    p = (expr_ty)PyArena_Malloc(arena, sizeof(*p));
    if (!p)
        return NULL;
    p->kind = FormattedValue_kind;
    p->v.FormattedValue.value = value;
    p->v.FormattedValue.conversion = conversion;
    p->v.FormattedValue.format_spec = format_spec;
    p->lineno = lineno;
    p->col_offset = col_offset;
    p->end_lineno = end_lineno;
    p->end_col_offset = end_col_offset;
    return p;
}

expr_ty
JoinedStr(asdl_seq * values, int lineno, int col_offset, int end_lineno, int
          end_col_offset, PyArena *arena)
{
    expr_ty p;
    p = (expr_ty)PyArena_Malloc(arena, sizeof(*p));
    if (!p)
        return NULL;
    p->kind = JoinedStr_kind;
    p->v.JoinedStr.values = values;
    p->lineno = lineno;
    p->col_offset = col_offset;
    p->end_lineno = end_lineno;
    p->end_col_offset = end_col_offset;
    return p;
}

expr_ty
Constant(constant value, string kind, int lineno, int col_offset, int
         end_lineno, int end_col_offset, PyArena *arena)
{
    expr_ty p;
    if (!value) {
        PyErr_SetString(PyExc_ValueError,
                        "field value is required for Constant");
        return NULL;
    }
    p = (expr_ty)PyArena_Malloc(arena, sizeof(*p));
    if (!p)
        return NULL;
    p->kind = Constant_kind;
    p->v.Constant.value = value;
    p->v.Constant.kind = kind;
    p->lineno = lineno;
    p->col_offset = col_offset;
    p->end_lineno = end_lineno;
    p->end_col_offset = end_col_offset;
    return p;
}

expr_ty
Attribute(expr_ty value, identifier attr, expr_context_ty ctx, int lineno, int
          col_offset, int end_lineno, int end_col_offset, PyArena *arena)
{
    expr_ty p;
    if (!value) {
        PyErr_SetString(PyExc_ValueError,
                        "field value is required for Attribute");
        return NULL;
    }
    if (!attr) {
        PyErr_SetString(PyExc_ValueError,
                        "field attr is required for Attribute");
        return NULL;
    }
    if (!ctx) {
        PyErr_SetString(PyExc_ValueError,
                        "field ctx is required for Attribute");
        return NULL;
    }
    p = (expr_ty)PyArena_Malloc(arena, sizeof(*p));
    if (!p)
        return NULL;
    p->kind = Attribute_kind;
    p->v.Attribute.value = value;
    p->v.Attribute.attr = attr;
    p->v.Attribute.ctx = ctx;
    p->lineno = lineno;
    p->col_offset = col_offset;
    p->end_lineno = end_lineno;
    p->end_col_offset = end_col_offset;
    return p;
}

expr_ty
Subscript(expr_ty value, slice_ty slice, expr_context_ty ctx, int lineno, int
          col_offset, int end_lineno, int end_col_offset, PyArena *arena)
{
    expr_ty p;
    if (!value) {
        PyErr_SetString(PyExc_ValueError,
                        "field value is required for Subscript");
        return NULL;
    }
    if (!slice) {
        PyErr_SetString(PyExc_ValueError,
                        "field slice is required for Subscript");
        return NULL;
    }
    if (!ctx) {
        PyErr_SetString(PyExc_ValueError,
                        "field ctx is required for Subscript");
        return NULL;
    }
    p = (expr_ty)PyArena_Malloc(arena, sizeof(*p));
    if (!p)
        return NULL;
    p->kind = Subscript_kind;
    p->v.Subscript.value = value;
    p->v.Subscript.slice = slice;
    p->v.Subscript.ctx = ctx;
    p->lineno = lineno;
    p->col_offset = col_offset;
    p->end_lineno = end_lineno;
    p->end_col_offset = end_col_offset;
    return p;
}

expr_ty
Starred(expr_ty value, expr_context_ty ctx, int lineno, int col_offset, int
        end_lineno, int end_col_offset, PyArena *arena)
{
    expr_ty p;
    if (!value) {
        PyErr_SetString(PyExc_ValueError,
                        "field value is required for Starred");
        return NULL;
    }
    if (!ctx) {
        PyErr_SetString(PyExc_ValueError,
                        "field ctx is required for Starred");
        return NULL;
    }
    p = (expr_ty)PyArena_Malloc(arena, sizeof(*p));
    if (!p)
        return NULL;
    p->kind = Starred_kind;
    p->v.Starred.value = value;
    p->v.Starred.ctx = ctx;
    p->lineno = lineno;
    p->col_offset = col_offset;
    p->end_lineno = end_lineno;
    p->end_col_offset = end_col_offset;
    return p;
}

expr_ty
Name(identifier id, expr_context_ty ctx, int lineno, int col_offset, int
     end_lineno, int end_col_offset, PyArena *arena)
{
    expr_ty p;
    if (!id) {
        PyErr_SetString(PyExc_ValueError,
                        "field id is required for Name");
        return NULL;
    }
    if (!ctx) {
        PyErr_SetString(PyExc_ValueError,
                        "field ctx is required for Name");
        return NULL;
    }
    p = (expr_ty)PyArena_Malloc(arena, sizeof(*p));
    if (!p)
        return NULL;
    p->kind = Name_kind;
    p->v.Name.id = id;
    p->v.Name.ctx = ctx;
    p->lineno = lineno;
    p->col_offset = col_offset;
    p->end_lineno = end_lineno;
    p->end_col_offset = end_col_offset;
    return p;
}

expr_ty
List(asdl_seq * elts, expr_context_ty ctx, int lineno, int col_offset, int
     end_lineno, int end_col_offset, PyArena *arena)
{
    expr_ty p;
    if (!ctx) {
        PyErr_SetString(PyExc_ValueError,
                        "field ctx is required for List");
        return NULL;
    }
    p = (expr_ty)PyArena_Malloc(arena, sizeof(*p));
    if (!p)
        return NULL;
    p->kind = List_kind;
    p->v.List.elts = elts;
    p->v.List.ctx = ctx;
    p->lineno = lineno;
    p->col_offset = col_offset;
    p->end_lineno = end_lineno;
    p->end_col_offset = end_col_offset;
    return p;
}

expr_ty
Tuple(asdl_seq * elts, expr_context_ty ctx, int lineno, int col_offset, int
      end_lineno, int end_col_offset, PyArena *arena)
{
    expr_ty p;
    if (!ctx) {
        PyErr_SetString(PyExc_ValueError,
                        "field ctx is required for Tuple");
        return NULL;
    }
    p = (expr_ty)PyArena_Malloc(arena, sizeof(*p));
    if (!p)
        return NULL;
    p->kind = Tuple_kind;
    p->v.Tuple.elts = elts;
    p->v.Tuple.ctx = ctx;
    p->lineno = lineno;
    p->col_offset = col_offset;
    p->end_lineno = end_lineno;
    p->end_col_offset = end_col_offset;
    return p;
}

slice_ty
Slice(expr_ty lower, expr_ty upper, expr_ty step, PyArena *arena)
{
    slice_ty p;
    p = (slice_ty)PyArena_Malloc(arena, sizeof(*p));
    if (!p)
        return NULL;
    p->kind = Slice_kind;
    p->v.Slice.lower = lower;
    p->v.Slice.upper = upper;
    p->v.Slice.step = step;
    return p;
}

slice_ty
ExtSlice(asdl_seq * dims, PyArena *arena)
{
    slice_ty p;
    p = (slice_ty)PyArena_Malloc(arena, sizeof(*p));
    if (!p)
        return NULL;
    p->kind = ExtSlice_kind;
    p->v.ExtSlice.dims = dims;
    return p;
}

slice_ty
Index(expr_ty value, PyArena *arena)
{
    slice_ty p;
    if (!value) {
        PyErr_SetString(PyExc_ValueError,
                        "field value is required for Index");
        return NULL;
    }
    p = (slice_ty)PyArena_Malloc(arena, sizeof(*p));
    if (!p)
        return NULL;
    p->kind = Index_kind;
    p->v.Index.value = value;
    return p;
}

comprehension_ty
comprehension(expr_ty target, expr_ty iter, asdl_seq * ifs, int is_async,
              PyArena *arena)
{
    comprehension_ty p;
    if (!target) {
        PyErr_SetString(PyExc_ValueError,
                        "field target is required for comprehension");
        return NULL;
    }
    if (!iter) {
        PyErr_SetString(PyExc_ValueError,
                        "field iter is required for comprehension");
        return NULL;
    }
    p = (comprehension_ty)PyArena_Malloc(arena, sizeof(*p));
    if (!p)
        return NULL;
    p->target = target;
    p->iter = iter;
    p->ifs = ifs;
    p->is_async = is_async;
    return p;
}

excepthandler_ty
ExceptHandler(expr_ty type, identifier name, asdl_seq * body, int lineno, int
              col_offset, int end_lineno, int end_col_offset, PyArena *arena)
{
    excepthandler_ty p;
    p = (excepthandler_ty)PyArena_Malloc(arena, sizeof(*p));
    if (!p)
        return NULL;
    p->kind = ExceptHandler_kind;
    p->v.ExceptHandler.type = type;
    p->v.ExceptHandler.name = name;
    p->v.ExceptHandler.body = body;
    p->lineno = lineno;
    p->col_offset = col_offset;
    p->end_lineno = end_lineno;
    p->end_col_offset = end_col_offset;
    return p;
}

arguments_ty
arguments(asdl_seq * posonlyargs, asdl_seq * args, arg_ty vararg, asdl_seq *
          kwonlyargs, asdl_seq * kw_defaults, arg_ty kwarg, asdl_seq *
          defaults, PyArena *arena)
{
    arguments_ty p;
    p = (arguments_ty)PyArena_Malloc(arena, sizeof(*p));
    if (!p)
        return NULL;
    p->posonlyargs = posonlyargs;
    p->args = args;
    p->vararg = vararg;
    p->kwonlyargs = kwonlyargs;
    p->kw_defaults = kw_defaults;
    p->kwarg = kwarg;
    p->defaults = defaults;
    return p;
}

arg_ty
arg(identifier arg, expr_ty annotation, string type_comment, int lineno, int
    col_offset, int end_lineno, int end_col_offset, PyArena *arena)
{
    arg_ty p;
    if (!arg) {
        PyErr_SetString(PyExc_ValueError,
                        "field arg is required for arg");
        return NULL;
    }
    p = (arg_ty)PyArena_Malloc(arena, sizeof(*p));
    if (!p)
        return NULL;
    p->arg = arg;
    p->annotation = annotation;
    p->type_comment = type_comment;
    p->lineno = lineno;
    p->col_offset = col_offset;
    p->end_lineno = end_lineno;
    p->end_col_offset = end_col_offset;
    return p;
}

keyword_ty
keyword(identifier arg, expr_ty value, PyArena *arena)
{
    keyword_ty p;
    if (!value) {
        PyErr_SetString(PyExc_ValueError,
                        "field value is required for keyword");
        return NULL;
    }
    p = (keyword_ty)PyArena_Malloc(arena, sizeof(*p));
    if (!p)
        return NULL;
    p->arg = arg;
    p->value = value;
    return p;
}

alias_ty
alias(identifier name, identifier asname, PyArena *arena)
{
    alias_ty p;
    if (!name) {
        PyErr_SetString(PyExc_ValueError,
                        "field name is required for alias");
        return NULL;
    }
    p = (alias_ty)PyArena_Malloc(arena, sizeof(*p));
    if (!p)
        return NULL;
    p->name = name;
    p->asname = asname;
    return p;
}

withitem_ty
withitem(expr_ty context_expr, expr_ty optional_vars, PyArena *arena)
{
    withitem_ty p;
    if (!context_expr) {
        PyErr_SetString(PyExc_ValueError,
                        "field context_expr is required for withitem");
        return NULL;
    }
    p = (withitem_ty)PyArena_Malloc(arena, sizeof(*p));
    if (!p)
        return NULL;
    p->context_expr = context_expr;
    p->optional_vars = optional_vars;
    return p;
}

type_ignore_ty
TypeIgnore(int lineno, string tag, PyArena *arena)
{
    type_ignore_ty p;
    if (!tag) {
        PyErr_SetString(PyExc_ValueError,
                        "field tag is required for TypeIgnore");
        return NULL;
    }
    p = (type_ignore_ty)PyArena_Malloc(arena, sizeof(*p));
    if (!p)
        return NULL;
    p->kind = TypeIgnore_kind;
    p->v.TypeIgnore.lineno = lineno;
    p->v.TypeIgnore.tag = tag;
    return p;
}


PyObject*
ast2obj_mod(void* _o)
{
    mod_ty o = (mod_ty)_o;
    PyObject *result = NULL, *value = NULL;
    PyTypeObject *tp;
    if (!o) {
        Py_RETURN_NONE;
    }

    switch (o->kind) {
    case Module_kind:
        tp = (PyTypeObject *)astmodulestate_global->Module_type;
        result = PyType_GenericNew(tp, NULL, NULL);
        if (!result) goto failed;
        value = ast2obj_list(o->v.Module.body, ast2obj_stmt);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->body, value) == -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_list(o->v.Module.type_ignores, ast2obj_type_ignore);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->type_ignores,
            value) == -1)
            goto failed;
        Py_DECREF(value);
        break;
    case Interactive_kind:
        tp = (PyTypeObject *)astmodulestate_global->Interactive_type;
        result = PyType_GenericNew(tp, NULL, NULL);
        if (!result) goto failed;
        value = ast2obj_list(o->v.Interactive.body, ast2obj_stmt);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->body, value) == -1)
            goto failed;
        Py_DECREF(value);
        break;
    case Expression_kind:
        tp = (PyTypeObject *)astmodulestate_global->Expression_type;
        result = PyType_GenericNew(tp, NULL, NULL);
        if (!result) goto failed;
        value = ast2obj_expr(o->v.Expression.body);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->body, value) == -1)
            goto failed;
        Py_DECREF(value);
        break;
    case FunctionType_kind:
        tp = (PyTypeObject *)astmodulestate_global->FunctionType_type;
        result = PyType_GenericNew(tp, NULL, NULL);
        if (!result) goto failed;
        value = ast2obj_list(o->v.FunctionType.argtypes, ast2obj_expr);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->argtypes, value) ==
            -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_expr(o->v.FunctionType.returns);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->returns, value) ==
            -1)
            goto failed;
        Py_DECREF(value);
        break;
    case Suite_kind:
        tp = (PyTypeObject *)astmodulestate_global->Suite_type;
        result = PyType_GenericNew(tp, NULL, NULL);
        if (!result) goto failed;
        value = ast2obj_list(o->v.Suite.body, ast2obj_stmt);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->body, value) == -1)
            goto failed;
        Py_DECREF(value);
        break;
    }
    return result;
failed:
    Py_XDECREF(value);
    Py_XDECREF(result);
    return NULL;
}

PyObject*
ast2obj_stmt(void* _o)
{
    stmt_ty o = (stmt_ty)_o;
    PyObject *result = NULL, *value = NULL;
    PyTypeObject *tp;
    if (!o) {
        Py_RETURN_NONE;
    }

    switch (o->kind) {
    case FunctionDef_kind:
        tp = (PyTypeObject *)astmodulestate_global->FunctionDef_type;
        result = PyType_GenericNew(tp, NULL, NULL);
        if (!result) goto failed;
        value = ast2obj_identifier(o->v.FunctionDef.name);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->name, value) == -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_arguments(o->v.FunctionDef.args);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->args, value) == -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_list(o->v.FunctionDef.body, ast2obj_stmt);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->body, value) == -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_list(o->v.FunctionDef.decorator_list, ast2obj_expr);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->decorator_list,
            value) == -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_expr(o->v.FunctionDef.returns);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->returns, value) ==
            -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_string(o->v.FunctionDef.type_comment);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->type_comment,
            value) == -1)
            goto failed;
        Py_DECREF(value);
        break;
    case AsyncFunctionDef_kind:
        tp = (PyTypeObject *)astmodulestate_global->AsyncFunctionDef_type;
        result = PyType_GenericNew(tp, NULL, NULL);
        if (!result) goto failed;
        value = ast2obj_identifier(o->v.AsyncFunctionDef.name);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->name, value) == -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_arguments(o->v.AsyncFunctionDef.args);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->args, value) == -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_list(o->v.AsyncFunctionDef.body, ast2obj_stmt);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->body, value) == -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_list(o->v.AsyncFunctionDef.decorator_list,
                             ast2obj_expr);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->decorator_list,
            value) == -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_expr(o->v.AsyncFunctionDef.returns);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->returns, value) ==
            -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_string(o->v.AsyncFunctionDef.type_comment);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->type_comment,
            value) == -1)
            goto failed;
        Py_DECREF(value);
        break;
    case ClassDef_kind:
        tp = (PyTypeObject *)astmodulestate_global->ClassDef_type;
        result = PyType_GenericNew(tp, NULL, NULL);
        if (!result) goto failed;
        value = ast2obj_identifier(o->v.ClassDef.name);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->name, value) == -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_list(o->v.ClassDef.bases, ast2obj_expr);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->bases, value) == -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_list(o->v.ClassDef.keywords, ast2obj_keyword);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->keywords, value) ==
            -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_list(o->v.ClassDef.body, ast2obj_stmt);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->body, value) == -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_list(o->v.ClassDef.decorator_list, ast2obj_expr);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->decorator_list,
            value) == -1)
            goto failed;
        Py_DECREF(value);
        break;
    case Return_kind:
        tp = (PyTypeObject *)astmodulestate_global->Return_type;
        result = PyType_GenericNew(tp, NULL, NULL);
        if (!result) goto failed;
        value = ast2obj_expr(o->v.Return.value);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->value, value) == -1)
            goto failed;
        Py_DECREF(value);
        break;
    case Delete_kind:
        tp = (PyTypeObject *)astmodulestate_global->Delete_type;
        result = PyType_GenericNew(tp, NULL, NULL);
        if (!result) goto failed;
        value = ast2obj_list(o->v.Delete.targets, ast2obj_expr);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->targets, value) ==
            -1)
            goto failed;
        Py_DECREF(value);
        break;
    case Assign_kind:
        tp = (PyTypeObject *)astmodulestate_global->Assign_type;
        result = PyType_GenericNew(tp, NULL, NULL);
        if (!result) goto failed;
        value = ast2obj_list(o->v.Assign.targets, ast2obj_expr);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->targets, value) ==
            -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_expr(o->v.Assign.value);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->value, value) == -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_string(o->v.Assign.type_comment);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->type_comment,
            value) == -1)
            goto failed;
        Py_DECREF(value);
        break;
    case AugAssign_kind:
        tp = (PyTypeObject *)astmodulestate_global->AugAssign_type;
        result = PyType_GenericNew(tp, NULL, NULL);
        if (!result) goto failed;
        value = ast2obj_expr(o->v.AugAssign.target);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->target, value) ==
            -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_operator(o->v.AugAssign.op);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->op, value) == -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_expr(o->v.AugAssign.value);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->value, value) == -1)
            goto failed;
        Py_DECREF(value);
        break;
    case AnnAssign_kind:
        tp = (PyTypeObject *)astmodulestate_global->AnnAssign_type;
        result = PyType_GenericNew(tp, NULL, NULL);
        if (!result) goto failed;
        value = ast2obj_expr(o->v.AnnAssign.target);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->target, value) ==
            -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_expr(o->v.AnnAssign.annotation);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->annotation, value)
            == -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_expr(o->v.AnnAssign.value);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->value, value) == -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_int(o->v.AnnAssign.simple);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->simple, value) ==
            -1)
            goto failed;
        Py_DECREF(value);
        break;
    case For_kind:
        tp = (PyTypeObject *)astmodulestate_global->For_type;
        result = PyType_GenericNew(tp, NULL, NULL);
        if (!result) goto failed;
        value = ast2obj_expr(o->v.For.target);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->target, value) ==
            -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_expr(o->v.For.iter);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->iter, value) == -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_list(o->v.For.body, ast2obj_stmt);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->body, value) == -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_list(o->v.For.orelse, ast2obj_stmt);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->orelse, value) ==
            -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_string(o->v.For.type_comment);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->type_comment,
            value) == -1)
            goto failed;
        Py_DECREF(value);
        break;
    case AsyncFor_kind:
        tp = (PyTypeObject *)astmodulestate_global->AsyncFor_type;
        result = PyType_GenericNew(tp, NULL, NULL);
        if (!result) goto failed;
        value = ast2obj_expr(o->v.AsyncFor.target);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->target, value) ==
            -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_expr(o->v.AsyncFor.iter);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->iter, value) == -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_list(o->v.AsyncFor.body, ast2obj_stmt);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->body, value) == -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_list(o->v.AsyncFor.orelse, ast2obj_stmt);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->orelse, value) ==
            -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_string(o->v.AsyncFor.type_comment);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->type_comment,
            value) == -1)
            goto failed;
        Py_DECREF(value);
        break;
    case While_kind:
        tp = (PyTypeObject *)astmodulestate_global->While_type;
        result = PyType_GenericNew(tp, NULL, NULL);
        if (!result) goto failed;
        value = ast2obj_expr(o->v.While.test);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->test, value) == -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_list(o->v.While.body, ast2obj_stmt);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->body, value) == -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_list(o->v.While.orelse, ast2obj_stmt);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->orelse, value) ==
            -1)
            goto failed;
        Py_DECREF(value);
        break;
    case If_kind:
        tp = (PyTypeObject *)astmodulestate_global->If_type;
        result = PyType_GenericNew(tp, NULL, NULL);
        if (!result) goto failed;
        value = ast2obj_expr(o->v.If.test);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->test, value) == -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_list(o->v.If.body, ast2obj_stmt);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->body, value) == -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_list(o->v.If.orelse, ast2obj_stmt);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->orelse, value) ==
            -1)
            goto failed;
        Py_DECREF(value);
        break;
    case With_kind:
        tp = (PyTypeObject *)astmodulestate_global->With_type;
        result = PyType_GenericNew(tp, NULL, NULL);
        if (!result) goto failed;
        value = ast2obj_list(o->v.With.items, ast2obj_withitem);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->items, value) == -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_list(o->v.With.body, ast2obj_stmt);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->body, value) == -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_string(o->v.With.type_comment);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->type_comment,
            value) == -1)
            goto failed;
        Py_DECREF(value);
        break;
    case AsyncWith_kind:
        tp = (PyTypeObject *)astmodulestate_global->AsyncWith_type;
        result = PyType_GenericNew(tp, NULL, NULL);
        if (!result) goto failed;
        value = ast2obj_list(o->v.AsyncWith.items, ast2obj_withitem);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->items, value) == -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_list(o->v.AsyncWith.body, ast2obj_stmt);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->body, value) == -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_string(o->v.AsyncWith.type_comment);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->type_comment,
            value) == -1)
            goto failed;
        Py_DECREF(value);
        break;
    case Raise_kind:
        tp = (PyTypeObject *)astmodulestate_global->Raise_type;
        result = PyType_GenericNew(tp, NULL, NULL);
        if (!result) goto failed;
        value = ast2obj_expr(o->v.Raise.exc);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->exc, value) == -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_expr(o->v.Raise.cause);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->cause, value) == -1)
            goto failed;
        Py_DECREF(value);
        break;
    case Try_kind:
        tp = (PyTypeObject *)astmodulestate_global->Try_type;
        result = PyType_GenericNew(tp, NULL, NULL);
        if (!result) goto failed;
        value = ast2obj_list(o->v.Try.body, ast2obj_stmt);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->body, value) == -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_list(o->v.Try.handlers, ast2obj_excepthandler);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->handlers, value) ==
            -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_list(o->v.Try.orelse, ast2obj_stmt);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->orelse, value) ==
            -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_list(o->v.Try.finalbody, ast2obj_stmt);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->finalbody, value)
            == -1)
            goto failed;
        Py_DECREF(value);
        break;
    case Assert_kind:
        tp = (PyTypeObject *)astmodulestate_global->Assert_type;
        result = PyType_GenericNew(tp, NULL, NULL);
        if (!result) goto failed;
        value = ast2obj_expr(o->v.Assert.test);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->test, value) == -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_expr(o->v.Assert.msg);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->msg, value) == -1)
            goto failed;
        Py_DECREF(value);
        break;
    case Import_kind:
        tp = (PyTypeObject *)astmodulestate_global->Import_type;
        result = PyType_GenericNew(tp, NULL, NULL);
        if (!result) goto failed;
        value = ast2obj_list(o->v.Import.names, ast2obj_alias);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->names, value) == -1)
            goto failed;
        Py_DECREF(value);
        break;
    case ImportFrom_kind:
        tp = (PyTypeObject *)astmodulestate_global->ImportFrom_type;
        result = PyType_GenericNew(tp, NULL, NULL);
        if (!result) goto failed;
        value = ast2obj_identifier(o->v.ImportFrom.module);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->module, value) ==
            -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_list(o->v.ImportFrom.names, ast2obj_alias);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->names, value) == -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_int(o->v.ImportFrom.level);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->level, value) == -1)
            goto failed;
        Py_DECREF(value);
        break;
    case Global_kind:
        tp = (PyTypeObject *)astmodulestate_global->Global_type;
        result = PyType_GenericNew(tp, NULL, NULL);
        if (!result) goto failed;
        value = ast2obj_list(o->v.Global.names, ast2obj_identifier);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->names, value) == -1)
            goto failed;
        Py_DECREF(value);
        break;
    case Nonlocal_kind:
        tp = (PyTypeObject *)astmodulestate_global->Nonlocal_type;
        result = PyType_GenericNew(tp, NULL, NULL);
        if (!result) goto failed;
        value = ast2obj_list(o->v.Nonlocal.names, ast2obj_identifier);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->names, value) == -1)
            goto failed;
        Py_DECREF(value);
        break;
    case Expr_kind:
        tp = (PyTypeObject *)astmodulestate_global->Expr_type;
        result = PyType_GenericNew(tp, NULL, NULL);
        if (!result) goto failed;
        value = ast2obj_expr(o->v.Expr.value);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->value, value) == -1)
            goto failed;
        Py_DECREF(value);
        break;
    case Pass_kind:
        tp = (PyTypeObject *)astmodulestate_global->Pass_type;
        result = PyType_GenericNew(tp, NULL, NULL);
        if (!result) goto failed;
        break;
    case Break_kind:
        tp = (PyTypeObject *)astmodulestate_global->Break_type;
        result = PyType_GenericNew(tp, NULL, NULL);
        if (!result) goto failed;
        break;
    case Continue_kind:
        tp = (PyTypeObject *)astmodulestate_global->Continue_type;
        result = PyType_GenericNew(tp, NULL, NULL);
        if (!result) goto failed;
        break;
    }
    value = ast2obj_int(o->lineno);
    if (!value) goto failed;
    if (PyObject_SetAttr(result, astmodulestate_global->lineno, value) < 0)
        goto failed;
    Py_DECREF(value);
    value = ast2obj_int(o->col_offset);
    if (!value) goto failed;
    if (PyObject_SetAttr(result, astmodulestate_global->col_offset, value) < 0)
        goto failed;
    Py_DECREF(value);
    value = ast2obj_int(o->end_lineno);
    if (!value) goto failed;
    if (PyObject_SetAttr(result, astmodulestate_global->end_lineno, value) < 0)
        goto failed;
    Py_DECREF(value);
    value = ast2obj_int(o->end_col_offset);
    if (!value) goto failed;
    if (PyObject_SetAttr(result, astmodulestate_global->end_col_offset, value)
        < 0)
        goto failed;
    Py_DECREF(value);
    return result;
failed:
    Py_XDECREF(value);
    Py_XDECREF(result);
    return NULL;
}

PyObject*
ast2obj_expr(void* _o)
{
    expr_ty o = (expr_ty)_o;
    PyObject *result = NULL, *value = NULL;
    PyTypeObject *tp;
    if (!o) {
        Py_RETURN_NONE;
    }

    switch (o->kind) {
    case BoolOp_kind:
        tp = (PyTypeObject *)astmodulestate_global->BoolOp_type;
        result = PyType_GenericNew(tp, NULL, NULL);
        if (!result) goto failed;
        value = ast2obj_boolop(o->v.BoolOp.op);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->op, value) == -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_list(o->v.BoolOp.values, ast2obj_expr);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->values, value) ==
            -1)
            goto failed;
        Py_DECREF(value);
        break;
    case NamedExpr_kind:
        tp = (PyTypeObject *)astmodulestate_global->NamedExpr_type;
        result = PyType_GenericNew(tp, NULL, NULL);
        if (!result) goto failed;
        value = ast2obj_expr(o->v.NamedExpr.target);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->target, value) ==
            -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_expr(o->v.NamedExpr.value);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->value, value) == -1)
            goto failed;
        Py_DECREF(value);
        break;
    case BinOp_kind:
        tp = (PyTypeObject *)astmodulestate_global->BinOp_type;
        result = PyType_GenericNew(tp, NULL, NULL);
        if (!result) goto failed;
        value = ast2obj_expr(o->v.BinOp.left);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->left, value) == -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_operator(o->v.BinOp.op);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->op, value) == -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_expr(o->v.BinOp.right);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->right, value) == -1)
            goto failed;
        Py_DECREF(value);
        break;
    case UnaryOp_kind:
        tp = (PyTypeObject *)astmodulestate_global->UnaryOp_type;
        result = PyType_GenericNew(tp, NULL, NULL);
        if (!result) goto failed;
        value = ast2obj_unaryop(o->v.UnaryOp.op);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->op, value) == -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_expr(o->v.UnaryOp.operand);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->operand, value) ==
            -1)
            goto failed;
        Py_DECREF(value);
        break;
    case Lambda_kind:
        tp = (PyTypeObject *)astmodulestate_global->Lambda_type;
        result = PyType_GenericNew(tp, NULL, NULL);
        if (!result) goto failed;
        value = ast2obj_arguments(o->v.Lambda.args);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->args, value) == -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_expr(o->v.Lambda.body);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->body, value) == -1)
            goto failed;
        Py_DECREF(value);
        break;
    case IfExp_kind:
        tp = (PyTypeObject *)astmodulestate_global->IfExp_type;
        result = PyType_GenericNew(tp, NULL, NULL);
        if (!result) goto failed;
        value = ast2obj_expr(o->v.IfExp.test);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->test, value) == -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_expr(o->v.IfExp.body);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->body, value) == -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_expr(o->v.IfExp.orelse);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->orelse, value) ==
            -1)
            goto failed;
        Py_DECREF(value);
        break;
    case Dict_kind:
        tp = (PyTypeObject *)astmodulestate_global->Dict_type;
        result = PyType_GenericNew(tp, NULL, NULL);
        if (!result) goto failed;
        value = ast2obj_list(o->v.Dict.keys, ast2obj_expr);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->keys, value) == -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_list(o->v.Dict.values, ast2obj_expr);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->values, value) ==
            -1)
            goto failed;
        Py_DECREF(value);
        break;
    case Set_kind:
        tp = (PyTypeObject *)astmodulestate_global->Set_type;
        result = PyType_GenericNew(tp, NULL, NULL);
        if (!result) goto failed;
        value = ast2obj_list(o->v.Set.elts, ast2obj_expr);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->elts, value) == -1)
            goto failed;
        Py_DECREF(value);
        break;
    case ListComp_kind:
        tp = (PyTypeObject *)astmodulestate_global->ListComp_type;
        result = PyType_GenericNew(tp, NULL, NULL);
        if (!result) goto failed;
        value = ast2obj_expr(o->v.ListComp.elt);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->elt, value) == -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_list(o->v.ListComp.generators, ast2obj_comprehension);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->generators, value)
            == -1)
            goto failed;
        Py_DECREF(value);
        break;
    case SetComp_kind:
        tp = (PyTypeObject *)astmodulestate_global->SetComp_type;
        result = PyType_GenericNew(tp, NULL, NULL);
        if (!result) goto failed;
        value = ast2obj_expr(o->v.SetComp.elt);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->elt, value) == -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_list(o->v.SetComp.generators, ast2obj_comprehension);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->generators, value)
            == -1)
            goto failed;
        Py_DECREF(value);
        break;
    case DictComp_kind:
        tp = (PyTypeObject *)astmodulestate_global->DictComp_type;
        result = PyType_GenericNew(tp, NULL, NULL);
        if (!result) goto failed;
        value = ast2obj_expr(o->v.DictComp.key);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->key, value) == -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_expr(o->v.DictComp.value);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->value, value) == -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_list(o->v.DictComp.generators, ast2obj_comprehension);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->generators, value)
            == -1)
            goto failed;
        Py_DECREF(value);
        break;
    case GeneratorExp_kind:
        tp = (PyTypeObject *)astmodulestate_global->GeneratorExp_type;
        result = PyType_GenericNew(tp, NULL, NULL);
        if (!result) goto failed;
        value = ast2obj_expr(o->v.GeneratorExp.elt);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->elt, value) == -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_list(o->v.GeneratorExp.generators,
                             ast2obj_comprehension);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->generators, value)
            == -1)
            goto failed;
        Py_DECREF(value);
        break;
    case Await_kind:
        tp = (PyTypeObject *)astmodulestate_global->Await_type;
        result = PyType_GenericNew(tp, NULL, NULL);
        if (!result) goto failed;
        value = ast2obj_expr(o->v.Await.value);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->value, value) == -1)
            goto failed;
        Py_DECREF(value);
        break;
    case Yield_kind:
        tp = (PyTypeObject *)astmodulestate_global->Yield_type;
        result = PyType_GenericNew(tp, NULL, NULL);
        if (!result) goto failed;
        value = ast2obj_expr(o->v.Yield.value);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->value, value) == -1)
            goto failed;
        Py_DECREF(value);
        break;
    case YieldFrom_kind:
        tp = (PyTypeObject *)astmodulestate_global->YieldFrom_type;
        result = PyType_GenericNew(tp, NULL, NULL);
        if (!result) goto failed;
        value = ast2obj_expr(o->v.YieldFrom.value);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->value, value) == -1)
            goto failed;
        Py_DECREF(value);
        break;
    case Compare_kind:
        tp = (PyTypeObject *)astmodulestate_global->Compare_type;
        result = PyType_GenericNew(tp, NULL, NULL);
        if (!result) goto failed;
        value = ast2obj_expr(o->v.Compare.left);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->left, value) == -1)
            goto failed;
        Py_DECREF(value);
        {
            Py_ssize_t i, n = asdl_seq_LEN(o->v.Compare.ops);
            value = PyList_New(n);
            if (!value) goto failed;
            for(i = 0; i < n; i++)
                PyList_SET_ITEM(value, i, ast2obj_cmpop((cmpop_ty)asdl_seq_GET(o->v.Compare.ops, i)));
        }
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->ops, value) == -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_list(o->v.Compare.comparators, ast2obj_expr);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->comparators, value)
            == -1)
            goto failed;
        Py_DECREF(value);
        break;
    case Call_kind:
        tp = (PyTypeObject *)astmodulestate_global->Call_type;
        result = PyType_GenericNew(tp, NULL, NULL);
        if (!result) goto failed;
        value = ast2obj_expr(o->v.Call.func);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->func, value) == -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_list(o->v.Call.args, ast2obj_expr);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->args, value) == -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_list(o->v.Call.keywords, ast2obj_keyword);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->keywords, value) ==
            -1)
            goto failed;
        Py_DECREF(value);
        break;
    case FormattedValue_kind:
        tp = (PyTypeObject *)astmodulestate_global->FormattedValue_type;
        result = PyType_GenericNew(tp, NULL, NULL);
        if (!result) goto failed;
        value = ast2obj_expr(o->v.FormattedValue.value);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->value, value) == -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_int(o->v.FormattedValue.conversion);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->conversion, value)
            == -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_expr(o->v.FormattedValue.format_spec);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->format_spec, value)
            == -1)
            goto failed;
        Py_DECREF(value);
        break;
    case JoinedStr_kind:
        tp = (PyTypeObject *)astmodulestate_global->JoinedStr_type;
        result = PyType_GenericNew(tp, NULL, NULL);
        if (!result) goto failed;
        value = ast2obj_list(o->v.JoinedStr.values, ast2obj_expr);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->values, value) ==
            -1)
            goto failed;
        Py_DECREF(value);
        break;
    case Constant_kind:
        tp = (PyTypeObject *)astmodulestate_global->Constant_type;
        result = PyType_GenericNew(tp, NULL, NULL);
        if (!result) goto failed;
        value = ast2obj_constant(o->v.Constant.value);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->value, value) == -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_string(o->v.Constant.kind);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->kind, value) == -1)
            goto failed;
        Py_DECREF(value);
        break;
    case Attribute_kind:
        tp = (PyTypeObject *)astmodulestate_global->Attribute_type;
        result = PyType_GenericNew(tp, NULL, NULL);
        if (!result) goto failed;
        value = ast2obj_expr(o->v.Attribute.value);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->value, value) == -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_identifier(o->v.Attribute.attr);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->attr, value) == -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_expr_context(o->v.Attribute.ctx);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->ctx, value) == -1)
            goto failed;
        Py_DECREF(value);
        break;
    case Subscript_kind:
        tp = (PyTypeObject *)astmodulestate_global->Subscript_type;
        result = PyType_GenericNew(tp, NULL, NULL);
        if (!result) goto failed;
        value = ast2obj_expr(o->v.Subscript.value);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->value, value) == -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_slice(o->v.Subscript.slice);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->slice, value) == -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_expr_context(o->v.Subscript.ctx);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->ctx, value) == -1)
            goto failed;
        Py_DECREF(value);
        break;
    case Starred_kind:
        tp = (PyTypeObject *)astmodulestate_global->Starred_type;
        result = PyType_GenericNew(tp, NULL, NULL);
        if (!result) goto failed;
        value = ast2obj_expr(o->v.Starred.value);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->value, value) == -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_expr_context(o->v.Starred.ctx);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->ctx, value) == -1)
            goto failed;
        Py_DECREF(value);
        break;
    case Name_kind:
        tp = (PyTypeObject *)astmodulestate_global->Name_type;
        result = PyType_GenericNew(tp, NULL, NULL);
        if (!result) goto failed;
        value = ast2obj_identifier(o->v.Name.id);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->id, value) == -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_expr_context(o->v.Name.ctx);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->ctx, value) == -1)
            goto failed;
        Py_DECREF(value);
        break;
    case List_kind:
        tp = (PyTypeObject *)astmodulestate_global->List_type;
        result = PyType_GenericNew(tp, NULL, NULL);
        if (!result) goto failed;
        value = ast2obj_list(o->v.List.elts, ast2obj_expr);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->elts, value) == -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_expr_context(o->v.List.ctx);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->ctx, value) == -1)
            goto failed;
        Py_DECREF(value);
        break;
    case Tuple_kind:
        tp = (PyTypeObject *)astmodulestate_global->Tuple_type;
        result = PyType_GenericNew(tp, NULL, NULL);
        if (!result) goto failed;
        value = ast2obj_list(o->v.Tuple.elts, ast2obj_expr);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->elts, value) == -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_expr_context(o->v.Tuple.ctx);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->ctx, value) == -1)
            goto failed;
        Py_DECREF(value);
        break;
    }
    value = ast2obj_int(o->lineno);
    if (!value) goto failed;
    if (PyObject_SetAttr(result, astmodulestate_global->lineno, value) < 0)
        goto failed;
    Py_DECREF(value);
    value = ast2obj_int(o->col_offset);
    if (!value) goto failed;
    if (PyObject_SetAttr(result, astmodulestate_global->col_offset, value) < 0)
        goto failed;
    Py_DECREF(value);
    value = ast2obj_int(o->end_lineno);
    if (!value) goto failed;
    if (PyObject_SetAttr(result, astmodulestate_global->end_lineno, value) < 0)
        goto failed;
    Py_DECREF(value);
    value = ast2obj_int(o->end_col_offset);
    if (!value) goto failed;
    if (PyObject_SetAttr(result, astmodulestate_global->end_col_offset, value)
        < 0)
        goto failed;
    Py_DECREF(value);
    return result;
failed:
    Py_XDECREF(value);
    Py_XDECREF(result);
    return NULL;
}

PyObject* ast2obj_expr_context(expr_context_ty o)
{
    switch(o) {
        case Load:
            Py_INCREF(astmodulestate_global->Load_singleton);
            return astmodulestate_global->Load_singleton;
        case Store:
            Py_INCREF(astmodulestate_global->Store_singleton);
            return astmodulestate_global->Store_singleton;
        case Del:
            Py_INCREF(astmodulestate_global->Del_singleton);
            return astmodulestate_global->Del_singleton;
        case AugLoad:
            Py_INCREF(astmodulestate_global->AugLoad_singleton);
            return astmodulestate_global->AugLoad_singleton;
        case AugStore:
            Py_INCREF(astmodulestate_global->AugStore_singleton);
            return astmodulestate_global->AugStore_singleton;
        case Param:
            Py_INCREF(astmodulestate_global->Param_singleton);
            return astmodulestate_global->Param_singleton;
        default:
            /* should never happen, but just in case ... */
            PyErr_Format(PyExc_SystemError, "unknown expr_context found");
            return NULL;
    }
}
PyObject*
ast2obj_slice(void* _o)
{
    slice_ty o = (slice_ty)_o;
    PyObject *result = NULL, *value = NULL;
    PyTypeObject *tp;
    if (!o) {
        Py_RETURN_NONE;
    }

    switch (o->kind) {
    case Slice_kind:
        tp = (PyTypeObject *)astmodulestate_global->Slice_type;
        result = PyType_GenericNew(tp, NULL, NULL);
        if (!result) goto failed;
        value = ast2obj_expr(o->v.Slice.lower);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->lower, value) == -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_expr(o->v.Slice.upper);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->upper, value) == -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_expr(o->v.Slice.step);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->step, value) == -1)
            goto failed;
        Py_DECREF(value);
        break;
    case ExtSlice_kind:
        tp = (PyTypeObject *)astmodulestate_global->ExtSlice_type;
        result = PyType_GenericNew(tp, NULL, NULL);
        if (!result) goto failed;
        value = ast2obj_list(o->v.ExtSlice.dims, ast2obj_slice);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->dims, value) == -1)
            goto failed;
        Py_DECREF(value);
        break;
    case Index_kind:
        tp = (PyTypeObject *)astmodulestate_global->Index_type;
        result = PyType_GenericNew(tp, NULL, NULL);
        if (!result) goto failed;
        value = ast2obj_expr(o->v.Index.value);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->value, value) == -1)
            goto failed;
        Py_DECREF(value);
        break;
    }
    return result;
failed:
    Py_XDECREF(value);
    Py_XDECREF(result);
    return NULL;
}

PyObject* ast2obj_boolop(boolop_ty o)
{
    switch(o) {
        case And:
            Py_INCREF(astmodulestate_global->And_singleton);
            return astmodulestate_global->And_singleton;
        case Or:
            Py_INCREF(astmodulestate_global->Or_singleton);
            return astmodulestate_global->Or_singleton;
        default:
            /* should never happen, but just in case ... */
            PyErr_Format(PyExc_SystemError, "unknown boolop found");
            return NULL;
    }
}
PyObject* ast2obj_operator(operator_ty o)
{
    switch(o) {
        case Add:
            Py_INCREF(astmodulestate_global->Add_singleton);
            return astmodulestate_global->Add_singleton;
        case Sub:
            Py_INCREF(astmodulestate_global->Sub_singleton);
            return astmodulestate_global->Sub_singleton;
        case Mult:
            Py_INCREF(astmodulestate_global->Mult_singleton);
            return astmodulestate_global->Mult_singleton;
        case MatMult:
            Py_INCREF(astmodulestate_global->MatMult_singleton);
            return astmodulestate_global->MatMult_singleton;
        case Div:
            Py_INCREF(astmodulestate_global->Div_singleton);
            return astmodulestate_global->Div_singleton;
        case Mod:
            Py_INCREF(astmodulestate_global->Mod_singleton);
            return astmodulestate_global->Mod_singleton;
        case Pow:
            Py_INCREF(astmodulestate_global->Pow_singleton);
            return astmodulestate_global->Pow_singleton;
        case LShift:
            Py_INCREF(astmodulestate_global->LShift_singleton);
            return astmodulestate_global->LShift_singleton;
        case RShift:
            Py_INCREF(astmodulestate_global->RShift_singleton);
            return astmodulestate_global->RShift_singleton;
        case BitOr:
            Py_INCREF(astmodulestate_global->BitOr_singleton);
            return astmodulestate_global->BitOr_singleton;
        case BitXor:
            Py_INCREF(astmodulestate_global->BitXor_singleton);
            return astmodulestate_global->BitXor_singleton;
        case BitAnd:
            Py_INCREF(astmodulestate_global->BitAnd_singleton);
            return astmodulestate_global->BitAnd_singleton;
        case FloorDiv:
            Py_INCREF(astmodulestate_global->FloorDiv_singleton);
            return astmodulestate_global->FloorDiv_singleton;
        default:
            /* should never happen, but just in case ... */
            PyErr_Format(PyExc_SystemError, "unknown operator found");
            return NULL;
    }
}
PyObject* ast2obj_unaryop(unaryop_ty o)
{
    switch(o) {
        case Invert:
            Py_INCREF(astmodulestate_global->Invert_singleton);
            return astmodulestate_global->Invert_singleton;
        case Not:
            Py_INCREF(astmodulestate_global->Not_singleton);
            return astmodulestate_global->Not_singleton;
        case UAdd:
            Py_INCREF(astmodulestate_global->UAdd_singleton);
            return astmodulestate_global->UAdd_singleton;
        case USub:
            Py_INCREF(astmodulestate_global->USub_singleton);
            return astmodulestate_global->USub_singleton;
        default:
            /* should never happen, but just in case ... */
            PyErr_Format(PyExc_SystemError, "unknown unaryop found");
            return NULL;
    }
}
PyObject* ast2obj_cmpop(cmpop_ty o)
{
    switch(o) {
        case Eq:
            Py_INCREF(astmodulestate_global->Eq_singleton);
            return astmodulestate_global->Eq_singleton;
        case NotEq:
            Py_INCREF(astmodulestate_global->NotEq_singleton);
            return astmodulestate_global->NotEq_singleton;
        case Lt:
            Py_INCREF(astmodulestate_global->Lt_singleton);
            return astmodulestate_global->Lt_singleton;
        case LtE:
            Py_INCREF(astmodulestate_global->LtE_singleton);
            return astmodulestate_global->LtE_singleton;
        case Gt:
            Py_INCREF(astmodulestate_global->Gt_singleton);
            return astmodulestate_global->Gt_singleton;
        case GtE:
            Py_INCREF(astmodulestate_global->GtE_singleton);
            return astmodulestate_global->GtE_singleton;
        case Is:
            Py_INCREF(astmodulestate_global->Is_singleton);
            return astmodulestate_global->Is_singleton;
        case IsNot:
            Py_INCREF(astmodulestate_global->IsNot_singleton);
            return astmodulestate_global->IsNot_singleton;
        case In:
            Py_INCREF(astmodulestate_global->In_singleton);
            return astmodulestate_global->In_singleton;
        case NotIn:
            Py_INCREF(astmodulestate_global->NotIn_singleton);
            return astmodulestate_global->NotIn_singleton;
        default:
            /* should never happen, but just in case ... */
            PyErr_Format(PyExc_SystemError, "unknown cmpop found");
            return NULL;
    }
}
PyObject*
ast2obj_comprehension(void* _o)
{
    comprehension_ty o = (comprehension_ty)_o;
    PyObject *result = NULL, *value = NULL;
    PyTypeObject *tp;
    if (!o) {
        Py_RETURN_NONE;
    }

    tp = (PyTypeObject *)astmodulestate_global->comprehension_type;
    result = PyType_GenericNew(tp, NULL, NULL);
    if (!result) return NULL;
    value = ast2obj_expr(o->target);
    if (!value) goto failed;
    if (PyObject_SetAttr(result, astmodulestate_global->target, value) == -1)
        goto failed;
    Py_DECREF(value);
    value = ast2obj_expr(o->iter);
    if (!value) goto failed;
    if (PyObject_SetAttr(result, astmodulestate_global->iter, value) == -1)
        goto failed;
    Py_DECREF(value);
    value = ast2obj_list(o->ifs, ast2obj_expr);
    if (!value) goto failed;
    if (PyObject_SetAttr(result, astmodulestate_global->ifs, value) == -1)
        goto failed;
    Py_DECREF(value);
    value = ast2obj_int(o->is_async);
    if (!value) goto failed;
    if (PyObject_SetAttr(result, astmodulestate_global->is_async, value) == -1)
        goto failed;
    Py_DECREF(value);
    return result;
failed:
    Py_XDECREF(value);
    Py_XDECREF(result);
    return NULL;
}

PyObject*
ast2obj_excepthandler(void* _o)
{
    excepthandler_ty o = (excepthandler_ty)_o;
    PyObject *result = NULL, *value = NULL;
    PyTypeObject *tp;
    if (!o) {
        Py_RETURN_NONE;
    }

    switch (o->kind) {
    case ExceptHandler_kind:
        tp = (PyTypeObject *)astmodulestate_global->ExceptHandler_type;
        result = PyType_GenericNew(tp, NULL, NULL);
        if (!result) goto failed;
        value = ast2obj_expr(o->v.ExceptHandler.type);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->type, value) == -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_identifier(o->v.ExceptHandler.name);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->name, value) == -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_list(o->v.ExceptHandler.body, ast2obj_stmt);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->body, value) == -1)
            goto failed;
        Py_DECREF(value);
        break;
    }
    value = ast2obj_int(o->lineno);
    if (!value) goto failed;
    if (PyObject_SetAttr(result, astmodulestate_global->lineno, value) < 0)
        goto failed;
    Py_DECREF(value);
    value = ast2obj_int(o->col_offset);
    if (!value) goto failed;
    if (PyObject_SetAttr(result, astmodulestate_global->col_offset, value) < 0)
        goto failed;
    Py_DECREF(value);
    value = ast2obj_int(o->end_lineno);
    if (!value) goto failed;
    if (PyObject_SetAttr(result, astmodulestate_global->end_lineno, value) < 0)
        goto failed;
    Py_DECREF(value);
    value = ast2obj_int(o->end_col_offset);
    if (!value) goto failed;
    if (PyObject_SetAttr(result, astmodulestate_global->end_col_offset, value)
        < 0)
        goto failed;
    Py_DECREF(value);
    return result;
failed:
    Py_XDECREF(value);
    Py_XDECREF(result);
    return NULL;
}

PyObject*
ast2obj_arguments(void* _o)
{
    arguments_ty o = (arguments_ty)_o;
    PyObject *result = NULL, *value = NULL;
    PyTypeObject *tp;
    if (!o) {
        Py_RETURN_NONE;
    }

    tp = (PyTypeObject *)astmodulestate_global->arguments_type;
    result = PyType_GenericNew(tp, NULL, NULL);
    if (!result) return NULL;
    value = ast2obj_list(o->posonlyargs, ast2obj_arg);
    if (!value) goto failed;
    if (PyObject_SetAttr(result, astmodulestate_global->posonlyargs, value) ==
        -1)
        goto failed;
    Py_DECREF(value);
    value = ast2obj_list(o->args, ast2obj_arg);
    if (!value) goto failed;
    if (PyObject_SetAttr(result, astmodulestate_global->args, value) == -1)
        goto failed;
    Py_DECREF(value);
    value = ast2obj_arg(o->vararg);
    if (!value) goto failed;
    if (PyObject_SetAttr(result, astmodulestate_global->vararg, value) == -1)
        goto failed;
    Py_DECREF(value);
    value = ast2obj_list(o->kwonlyargs, ast2obj_arg);
    if (!value) goto failed;
    if (PyObject_SetAttr(result, astmodulestate_global->kwonlyargs, value) ==
        -1)
        goto failed;
    Py_DECREF(value);
    value = ast2obj_list(o->kw_defaults, ast2obj_expr);
    if (!value) goto failed;
    if (PyObject_SetAttr(result, astmodulestate_global->kw_defaults, value) ==
        -1)
        goto failed;
    Py_DECREF(value);
    value = ast2obj_arg(o->kwarg);
    if (!value) goto failed;
    if (PyObject_SetAttr(result, astmodulestate_global->kwarg, value) == -1)
        goto failed;
    Py_DECREF(value);
    value = ast2obj_list(o->defaults, ast2obj_expr);
    if (!value) goto failed;
    if (PyObject_SetAttr(result, astmodulestate_global->defaults, value) == -1)
        goto failed;
    Py_DECREF(value);
    return result;
failed:
    Py_XDECREF(value);
    Py_XDECREF(result);
    return NULL;
}

PyObject*
ast2obj_arg(void* _o)
{
    arg_ty o = (arg_ty)_o;
    PyObject *result = NULL, *value = NULL;
    PyTypeObject *tp;
    if (!o) {
        Py_RETURN_NONE;
    }

    tp = (PyTypeObject *)astmodulestate_global->arg_type;
    result = PyType_GenericNew(tp, NULL, NULL);
    if (!result) return NULL;
    value = ast2obj_identifier(o->arg);
    if (!value) goto failed;
    if (PyObject_SetAttr(result, astmodulestate_global->arg, value) == -1)
        goto failed;
    Py_DECREF(value);
    value = ast2obj_expr(o->annotation);
    if (!value) goto failed;
    if (PyObject_SetAttr(result, astmodulestate_global->annotation, value) ==
        -1)
        goto failed;
    Py_DECREF(value);
    value = ast2obj_string(o->type_comment);
    if (!value) goto failed;
    if (PyObject_SetAttr(result, astmodulestate_global->type_comment, value) ==
        -1)
        goto failed;
    Py_DECREF(value);
    value = ast2obj_int(o->lineno);
    if (!value) goto failed;
    if (PyObject_SetAttr(result, astmodulestate_global->lineno, value) < 0)
        goto failed;
    Py_DECREF(value);
    value = ast2obj_int(o->col_offset);
    if (!value) goto failed;
    if (PyObject_SetAttr(result, astmodulestate_global->col_offset, value) < 0)
        goto failed;
    Py_DECREF(value);
    value = ast2obj_int(o->end_lineno);
    if (!value) goto failed;
    if (PyObject_SetAttr(result, astmodulestate_global->end_lineno, value) < 0)
        goto failed;
    Py_DECREF(value);
    value = ast2obj_int(o->end_col_offset);
    if (!value) goto failed;
    if (PyObject_SetAttr(result, astmodulestate_global->end_col_offset, value)
        < 0)
        goto failed;
    Py_DECREF(value);
    return result;
failed:
    Py_XDECREF(value);
    Py_XDECREF(result);
    return NULL;
}

PyObject*
ast2obj_keyword(void* _o)
{
    keyword_ty o = (keyword_ty)_o;
    PyObject *result = NULL, *value = NULL;
    PyTypeObject *tp;
    if (!o) {
        Py_RETURN_NONE;
    }

    tp = (PyTypeObject *)astmodulestate_global->keyword_type;
    result = PyType_GenericNew(tp, NULL, NULL);
    if (!result) return NULL;
    value = ast2obj_identifier(o->arg);
    if (!value) goto failed;
    if (PyObject_SetAttr(result, astmodulestate_global->arg, value) == -1)
        goto failed;
    Py_DECREF(value);
    value = ast2obj_expr(o->value);
    if (!value) goto failed;
    if (PyObject_SetAttr(result, astmodulestate_global->value, value) == -1)
        goto failed;
    Py_DECREF(value);
    return result;
failed:
    Py_XDECREF(value);
    Py_XDECREF(result);
    return NULL;
}

PyObject*
ast2obj_alias(void* _o)
{
    alias_ty o = (alias_ty)_o;
    PyObject *result = NULL, *value = NULL;
    PyTypeObject *tp;
    if (!o) {
        Py_RETURN_NONE;
    }

    tp = (PyTypeObject *)astmodulestate_global->alias_type;
    result = PyType_GenericNew(tp, NULL, NULL);
    if (!result) return NULL;
    value = ast2obj_identifier(o->name);
    if (!value) goto failed;
    if (PyObject_SetAttr(result, astmodulestate_global->name, value) == -1)
        goto failed;
    Py_DECREF(value);
    value = ast2obj_identifier(o->asname);
    if (!value) goto failed;
    if (PyObject_SetAttr(result, astmodulestate_global->asname, value) == -1)
        goto failed;
    Py_DECREF(value);
    return result;
failed:
    Py_XDECREF(value);
    Py_XDECREF(result);
    return NULL;
}

PyObject*
ast2obj_withitem(void* _o)
{
    withitem_ty o = (withitem_ty)_o;
    PyObject *result = NULL, *value = NULL;
    PyTypeObject *tp;
    if (!o) {
        Py_RETURN_NONE;
    }

    tp = (PyTypeObject *)astmodulestate_global->withitem_type;
    result = PyType_GenericNew(tp, NULL, NULL);
    if (!result) return NULL;
    value = ast2obj_expr(o->context_expr);
    if (!value) goto failed;
    if (PyObject_SetAttr(result, astmodulestate_global->context_expr, value) ==
        -1)
        goto failed;
    Py_DECREF(value);
    value = ast2obj_expr(o->optional_vars);
    if (!value) goto failed;
    if (PyObject_SetAttr(result, astmodulestate_global->optional_vars, value)
        == -1)
        goto failed;
    Py_DECREF(value);
    return result;
failed:
    Py_XDECREF(value);
    Py_XDECREF(result);
    return NULL;
}

PyObject*
ast2obj_type_ignore(void* _o)
{
    type_ignore_ty o = (type_ignore_ty)_o;
    PyObject *result = NULL, *value = NULL;
    PyTypeObject *tp;
    if (!o) {
        Py_RETURN_NONE;
    }

    switch (o->kind) {
    case TypeIgnore_kind:
        tp = (PyTypeObject *)astmodulestate_global->TypeIgnore_type;
        result = PyType_GenericNew(tp, NULL, NULL);
        if (!result) goto failed;
        value = ast2obj_int(o->v.TypeIgnore.lineno);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->lineno, value) ==
            -1)
            goto failed;
        Py_DECREF(value);
        value = ast2obj_string(o->v.TypeIgnore.tag);
        if (!value) goto failed;
        if (PyObject_SetAttr(result, astmodulestate_global->tag, value) == -1)
            goto failed;
        Py_DECREF(value);
        break;
    }
    return result;
failed:
    Py_XDECREF(value);
    Py_XDECREF(result);
    return NULL;
}


int
obj2ast_mod(PyObject* obj, mod_ty* out, PyArena* arena)
{
    int isinstance;

    PyObject *tmp = NULL;
    PyObject *tp;

    if (obj == Py_None) {
        *out = NULL;
        return 0;
    }
    tp = astmodulestate_global->Module_type;
    isinstance = PyObject_IsInstance(obj, tp);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        asdl_seq* body;
        asdl_seq* type_ignores;

        if (_PyObject_LookupAttr(obj, astmodulestate_global->body, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"body\" missing from Module");
            return 1;
        }
        else {
            int res;
            Py_ssize_t len;
            Py_ssize_t i;
            if (!PyList_Check(tmp)) {
                PyErr_Format(PyExc_TypeError, "Module field \"body\" must be a list, not a %.200s", _PyType_Name(Py_TYPE(tmp)));
                goto failed;
            }
            len = PyList_GET_SIZE(tmp);
            body = _Py_asdl_seq_new(len, arena);
            if (body == NULL) goto failed;
            for (i = 0; i < len; i++) {
                stmt_ty val;
                PyObject *tmp2 = PyList_GET_ITEM(tmp, i);
                Py_INCREF(tmp2);
                res = obj2ast_stmt(tmp2, &val, arena);
                Py_DECREF(tmp2);
                if (res != 0) goto failed;
                if (len != PyList_GET_SIZE(tmp)) {
                    PyErr_SetString(PyExc_RuntimeError, "Module field \"body\" changed size during iteration");
                    goto failed;
                }
                asdl_seq_SET(body, i, val);
            }
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->type_ignores,
            &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"type_ignores\" missing from Module");
            return 1;
        }
        else {
            int res;
            Py_ssize_t len;
            Py_ssize_t i;
            if (!PyList_Check(tmp)) {
                PyErr_Format(PyExc_TypeError, "Module field \"type_ignores\" must be a list, not a %.200s", _PyType_Name(Py_TYPE(tmp)));
                goto failed;
            }
            len = PyList_GET_SIZE(tmp);
            type_ignores = _Py_asdl_seq_new(len, arena);
            if (type_ignores == NULL) goto failed;
            for (i = 0; i < len; i++) {
                type_ignore_ty val;
                PyObject *tmp2 = PyList_GET_ITEM(tmp, i);
                Py_INCREF(tmp2);
                res = obj2ast_type_ignore(tmp2, &val, arena);
                Py_DECREF(tmp2);
                if (res != 0) goto failed;
                if (len != PyList_GET_SIZE(tmp)) {
                    PyErr_SetString(PyExc_RuntimeError, "Module field \"type_ignores\" changed size during iteration");
                    goto failed;
                }
                asdl_seq_SET(type_ignores, i, val);
            }
            Py_CLEAR(tmp);
        }
        *out = Module(body, type_ignores, arena);
        if (*out == NULL) goto failed;
        return 0;
    }
    tp = astmodulestate_global->Interactive_type;
    isinstance = PyObject_IsInstance(obj, tp);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        asdl_seq* body;

        if (_PyObject_LookupAttr(obj, astmodulestate_global->body, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"body\" missing from Interactive");
            return 1;
        }
        else {
            int res;
            Py_ssize_t len;
            Py_ssize_t i;
            if (!PyList_Check(tmp)) {
                PyErr_Format(PyExc_TypeError, "Interactive field \"body\" must be a list, not a %.200s", _PyType_Name(Py_TYPE(tmp)));
                goto failed;
            }
            len = PyList_GET_SIZE(tmp);
            body = _Py_asdl_seq_new(len, arena);
            if (body == NULL) goto failed;
            for (i = 0; i < len; i++) {
                stmt_ty val;
                PyObject *tmp2 = PyList_GET_ITEM(tmp, i);
                Py_INCREF(tmp2);
                res = obj2ast_stmt(tmp2, &val, arena);
                Py_DECREF(tmp2);
                if (res != 0) goto failed;
                if (len != PyList_GET_SIZE(tmp)) {
                    PyErr_SetString(PyExc_RuntimeError, "Interactive field \"body\" changed size during iteration");
                    goto failed;
                }
                asdl_seq_SET(body, i, val);
            }
            Py_CLEAR(tmp);
        }
        *out = Interactive(body, arena);
        if (*out == NULL) goto failed;
        return 0;
    }
    tp = astmodulestate_global->Expression_type;
    isinstance = PyObject_IsInstance(obj, tp);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        expr_ty body;

        if (_PyObject_LookupAttr(obj, astmodulestate_global->body, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"body\" missing from Expression");
            return 1;
        }
        else {
            int res;
            res = obj2ast_expr(tmp, &body, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        *out = Expression(body, arena);
        if (*out == NULL) goto failed;
        return 0;
    }
    tp = astmodulestate_global->FunctionType_type;
    isinstance = PyObject_IsInstance(obj, tp);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        asdl_seq* argtypes;
        expr_ty returns;

        if (_PyObject_LookupAttr(obj, astmodulestate_global->argtypes, &tmp) <
            0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"argtypes\" missing from FunctionType");
            return 1;
        }
        else {
            int res;
            Py_ssize_t len;
            Py_ssize_t i;
            if (!PyList_Check(tmp)) {
                PyErr_Format(PyExc_TypeError, "FunctionType field \"argtypes\" must be a list, not a %.200s", _PyType_Name(Py_TYPE(tmp)));
                goto failed;
            }
            len = PyList_GET_SIZE(tmp);
            argtypes = _Py_asdl_seq_new(len, arena);
            if (argtypes == NULL) goto failed;
            for (i = 0; i < len; i++) {
                expr_ty val;
                PyObject *tmp2 = PyList_GET_ITEM(tmp, i);
                Py_INCREF(tmp2);
                res = obj2ast_expr(tmp2, &val, arena);
                Py_DECREF(tmp2);
                if (res != 0) goto failed;
                if (len != PyList_GET_SIZE(tmp)) {
                    PyErr_SetString(PyExc_RuntimeError, "FunctionType field \"argtypes\" changed size during iteration");
                    goto failed;
                }
                asdl_seq_SET(argtypes, i, val);
            }
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->returns, &tmp) <
            0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"returns\" missing from FunctionType");
            return 1;
        }
        else {
            int res;
            res = obj2ast_expr(tmp, &returns, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        *out = FunctionType(argtypes, returns, arena);
        if (*out == NULL) goto failed;
        return 0;
    }
    tp = astmodulestate_global->Suite_type;
    isinstance = PyObject_IsInstance(obj, tp);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        asdl_seq* body;

        if (_PyObject_LookupAttr(obj, astmodulestate_global->body, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"body\" missing from Suite");
            return 1;
        }
        else {
            int res;
            Py_ssize_t len;
            Py_ssize_t i;
            if (!PyList_Check(tmp)) {
                PyErr_Format(PyExc_TypeError, "Suite field \"body\" must be a list, not a %.200s", _PyType_Name(Py_TYPE(tmp)));
                goto failed;
            }
            len = PyList_GET_SIZE(tmp);
            body = _Py_asdl_seq_new(len, arena);
            if (body == NULL) goto failed;
            for (i = 0; i < len; i++) {
                stmt_ty val;
                PyObject *tmp2 = PyList_GET_ITEM(tmp, i);
                Py_INCREF(tmp2);
                res = obj2ast_stmt(tmp2, &val, arena);
                Py_DECREF(tmp2);
                if (res != 0) goto failed;
                if (len != PyList_GET_SIZE(tmp)) {
                    PyErr_SetString(PyExc_RuntimeError, "Suite field \"body\" changed size during iteration");
                    goto failed;
                }
                asdl_seq_SET(body, i, val);
            }
            Py_CLEAR(tmp);
        }
        *out = Suite(body, arena);
        if (*out == NULL) goto failed;
        return 0;
    }

    PyErr_Format(PyExc_TypeError, "expected some sort of mod, but got %R", obj);
    failed:
    Py_XDECREF(tmp);
    return 1;
}

int
obj2ast_stmt(PyObject* obj, stmt_ty* out, PyArena* arena)
{
    int isinstance;

    PyObject *tmp = NULL;
    PyObject *tp;
    int lineno;
    int col_offset;
    int end_lineno;
    int end_col_offset;

    if (obj == Py_None) {
        *out = NULL;
        return 0;
    }
    if (_PyObject_LookupAttr(obj, astmodulestate_global->lineno, &tmp) < 0) {
        return 1;
    }
    if (tmp == NULL) {
        PyErr_SetString(PyExc_TypeError, "required field \"lineno\" missing from stmt");
        return 1;
    }
    else {
        int res;
        res = obj2ast_int(tmp, &lineno, arena);
        if (res != 0) goto failed;
        Py_CLEAR(tmp);
    }
    if (_PyObject_LookupAttr(obj, astmodulestate_global->col_offset, &tmp) < 0)
        {
        return 1;
    }
    if (tmp == NULL) {
        PyErr_SetString(PyExc_TypeError, "required field \"col_offset\" missing from stmt");
        return 1;
    }
    else {
        int res;
        res = obj2ast_int(tmp, &col_offset, arena);
        if (res != 0) goto failed;
        Py_CLEAR(tmp);
    }
    if (_PyObject_LookupAttr(obj, astmodulestate_global->end_lineno, &tmp) < 0)
        {
        return 1;
    }
    if (tmp == NULL || tmp == Py_None) {
        Py_CLEAR(tmp);
        end_lineno = 0;
    }
    else {
        int res;
        res = obj2ast_int(tmp, &end_lineno, arena);
        if (res != 0) goto failed;
        Py_CLEAR(tmp);
    }
    if (_PyObject_LookupAttr(obj, astmodulestate_global->end_col_offset, &tmp)
        < 0) {
        return 1;
    }
    if (tmp == NULL || tmp == Py_None) {
        Py_CLEAR(tmp);
        end_col_offset = 0;
    }
    else {
        int res;
        res = obj2ast_int(tmp, &end_col_offset, arena);
        if (res != 0) goto failed;
        Py_CLEAR(tmp);
    }
    tp = astmodulestate_global->FunctionDef_type;
    isinstance = PyObject_IsInstance(obj, tp);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        identifier name;
        arguments_ty args;
        asdl_seq* body;
        asdl_seq* decorator_list;
        expr_ty returns;
        string type_comment;

        if (_PyObject_LookupAttr(obj, astmodulestate_global->name, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"name\" missing from FunctionDef");
            return 1;
        }
        else {
            int res;
            res = obj2ast_identifier(tmp, &name, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->args, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"args\" missing from FunctionDef");
            return 1;
        }
        else {
            int res;
            res = obj2ast_arguments(tmp, &args, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->body, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"body\" missing from FunctionDef");
            return 1;
        }
        else {
            int res;
            Py_ssize_t len;
            Py_ssize_t i;
            if (!PyList_Check(tmp)) {
                PyErr_Format(PyExc_TypeError, "FunctionDef field \"body\" must be a list, not a %.200s", _PyType_Name(Py_TYPE(tmp)));
                goto failed;
            }
            len = PyList_GET_SIZE(tmp);
            body = _Py_asdl_seq_new(len, arena);
            if (body == NULL) goto failed;
            for (i = 0; i < len; i++) {
                stmt_ty val;
                PyObject *tmp2 = PyList_GET_ITEM(tmp, i);
                Py_INCREF(tmp2);
                res = obj2ast_stmt(tmp2, &val, arena);
                Py_DECREF(tmp2);
                if (res != 0) goto failed;
                if (len != PyList_GET_SIZE(tmp)) {
                    PyErr_SetString(PyExc_RuntimeError, "FunctionDef field \"body\" changed size during iteration");
                    goto failed;
                }
                asdl_seq_SET(body, i, val);
            }
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->decorator_list,
            &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"decorator_list\" missing from FunctionDef");
            return 1;
        }
        else {
            int res;
            Py_ssize_t len;
            Py_ssize_t i;
            if (!PyList_Check(tmp)) {
                PyErr_Format(PyExc_TypeError, "FunctionDef field \"decorator_list\" must be a list, not a %.200s", _PyType_Name(Py_TYPE(tmp)));
                goto failed;
            }
            len = PyList_GET_SIZE(tmp);
            decorator_list = _Py_asdl_seq_new(len, arena);
            if (decorator_list == NULL) goto failed;
            for (i = 0; i < len; i++) {
                expr_ty val;
                PyObject *tmp2 = PyList_GET_ITEM(tmp, i);
                Py_INCREF(tmp2);
                res = obj2ast_expr(tmp2, &val, arena);
                Py_DECREF(tmp2);
                if (res != 0) goto failed;
                if (len != PyList_GET_SIZE(tmp)) {
                    PyErr_SetString(PyExc_RuntimeError, "FunctionDef field \"decorator_list\" changed size during iteration");
                    goto failed;
                }
                asdl_seq_SET(decorator_list, i, val);
            }
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->returns, &tmp) <
            0) {
            return 1;
        }
        if (tmp == NULL || tmp == Py_None) {
            Py_CLEAR(tmp);
            returns = NULL;
        }
        else {
            int res;
            res = obj2ast_expr(tmp, &returns, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->type_comment,
            &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL || tmp == Py_None) {
            Py_CLEAR(tmp);
            type_comment = NULL;
        }
        else {
            int res;
            res = obj2ast_string(tmp, &type_comment, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        *out = FunctionDef(name, args, body, decorator_list, returns,
                           type_comment, lineno, col_offset, end_lineno,
                           end_col_offset, arena);
        if (*out == NULL) goto failed;
        return 0;
    }
    tp = astmodulestate_global->AsyncFunctionDef_type;
    isinstance = PyObject_IsInstance(obj, tp);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        identifier name;
        arguments_ty args;
        asdl_seq* body;
        asdl_seq* decorator_list;
        expr_ty returns;
        string type_comment;

        if (_PyObject_LookupAttr(obj, astmodulestate_global->name, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"name\" missing from AsyncFunctionDef");
            return 1;
        }
        else {
            int res;
            res = obj2ast_identifier(tmp, &name, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->args, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"args\" missing from AsyncFunctionDef");
            return 1;
        }
        else {
            int res;
            res = obj2ast_arguments(tmp, &args, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->body, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"body\" missing from AsyncFunctionDef");
            return 1;
        }
        else {
            int res;
            Py_ssize_t len;
            Py_ssize_t i;
            if (!PyList_Check(tmp)) {
                PyErr_Format(PyExc_TypeError, "AsyncFunctionDef field \"body\" must be a list, not a %.200s", _PyType_Name(Py_TYPE(tmp)));
                goto failed;
            }
            len = PyList_GET_SIZE(tmp);
            body = _Py_asdl_seq_new(len, arena);
            if (body == NULL) goto failed;
            for (i = 0; i < len; i++) {
                stmt_ty val;
                PyObject *tmp2 = PyList_GET_ITEM(tmp, i);
                Py_INCREF(tmp2);
                res = obj2ast_stmt(tmp2, &val, arena);
                Py_DECREF(tmp2);
                if (res != 0) goto failed;
                if (len != PyList_GET_SIZE(tmp)) {
                    PyErr_SetString(PyExc_RuntimeError, "AsyncFunctionDef field \"body\" changed size during iteration");
                    goto failed;
                }
                asdl_seq_SET(body, i, val);
            }
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->decorator_list,
            &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"decorator_list\" missing from AsyncFunctionDef");
            return 1;
        }
        else {
            int res;
            Py_ssize_t len;
            Py_ssize_t i;
            if (!PyList_Check(tmp)) {
                PyErr_Format(PyExc_TypeError, "AsyncFunctionDef field \"decorator_list\" must be a list, not a %.200s", _PyType_Name(Py_TYPE(tmp)));
                goto failed;
            }
            len = PyList_GET_SIZE(tmp);
            decorator_list = _Py_asdl_seq_new(len, arena);
            if (decorator_list == NULL) goto failed;
            for (i = 0; i < len; i++) {
                expr_ty val;
                PyObject *tmp2 = PyList_GET_ITEM(tmp, i);
                Py_INCREF(tmp2);
                res = obj2ast_expr(tmp2, &val, arena);
                Py_DECREF(tmp2);
                if (res != 0) goto failed;
                if (len != PyList_GET_SIZE(tmp)) {
                    PyErr_SetString(PyExc_RuntimeError, "AsyncFunctionDef field \"decorator_list\" changed size during iteration");
                    goto failed;
                }
                asdl_seq_SET(decorator_list, i, val);
            }
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->returns, &tmp) <
            0) {
            return 1;
        }
        if (tmp == NULL || tmp == Py_None) {
            Py_CLEAR(tmp);
            returns = NULL;
        }
        else {
            int res;
            res = obj2ast_expr(tmp, &returns, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->type_comment,
            &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL || tmp == Py_None) {
            Py_CLEAR(tmp);
            type_comment = NULL;
        }
        else {
            int res;
            res = obj2ast_string(tmp, &type_comment, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        *out = AsyncFunctionDef(name, args, body, decorator_list, returns,
                                type_comment, lineno, col_offset, end_lineno,
                                end_col_offset, arena);
        if (*out == NULL) goto failed;
        return 0;
    }
    tp = astmodulestate_global->ClassDef_type;
    isinstance = PyObject_IsInstance(obj, tp);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        identifier name;
        asdl_seq* bases;
        asdl_seq* keywords;
        asdl_seq* body;
        asdl_seq* decorator_list;

        if (_PyObject_LookupAttr(obj, astmodulestate_global->name, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"name\" missing from ClassDef");
            return 1;
        }
        else {
            int res;
            res = obj2ast_identifier(tmp, &name, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->bases, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"bases\" missing from ClassDef");
            return 1;
        }
        else {
            int res;
            Py_ssize_t len;
            Py_ssize_t i;
            if (!PyList_Check(tmp)) {
                PyErr_Format(PyExc_TypeError, "ClassDef field \"bases\" must be a list, not a %.200s", _PyType_Name(Py_TYPE(tmp)));
                goto failed;
            }
            len = PyList_GET_SIZE(tmp);
            bases = _Py_asdl_seq_new(len, arena);
            if (bases == NULL) goto failed;
            for (i = 0; i < len; i++) {
                expr_ty val;
                PyObject *tmp2 = PyList_GET_ITEM(tmp, i);
                Py_INCREF(tmp2);
                res = obj2ast_expr(tmp2, &val, arena);
                Py_DECREF(tmp2);
                if (res != 0) goto failed;
                if (len != PyList_GET_SIZE(tmp)) {
                    PyErr_SetString(PyExc_RuntimeError, "ClassDef field \"bases\" changed size during iteration");
                    goto failed;
                }
                asdl_seq_SET(bases, i, val);
            }
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->keywords, &tmp) <
            0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"keywords\" missing from ClassDef");
            return 1;
        }
        else {
            int res;
            Py_ssize_t len;
            Py_ssize_t i;
            if (!PyList_Check(tmp)) {
                PyErr_Format(PyExc_TypeError, "ClassDef field \"keywords\" must be a list, not a %.200s", _PyType_Name(Py_TYPE(tmp)));
                goto failed;
            }
            len = PyList_GET_SIZE(tmp);
            keywords = _Py_asdl_seq_new(len, arena);
            if (keywords == NULL) goto failed;
            for (i = 0; i < len; i++) {
                keyword_ty val;
                PyObject *tmp2 = PyList_GET_ITEM(tmp, i);
                Py_INCREF(tmp2);
                res = obj2ast_keyword(tmp2, &val, arena);
                Py_DECREF(tmp2);
                if (res != 0) goto failed;
                if (len != PyList_GET_SIZE(tmp)) {
                    PyErr_SetString(PyExc_RuntimeError, "ClassDef field \"keywords\" changed size during iteration");
                    goto failed;
                }
                asdl_seq_SET(keywords, i, val);
            }
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->body, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"body\" missing from ClassDef");
            return 1;
        }
        else {
            int res;
            Py_ssize_t len;
            Py_ssize_t i;
            if (!PyList_Check(tmp)) {
                PyErr_Format(PyExc_TypeError, "ClassDef field \"body\" must be a list, not a %.200s", _PyType_Name(Py_TYPE(tmp)));
                goto failed;
            }
            len = PyList_GET_SIZE(tmp);
            body = _Py_asdl_seq_new(len, arena);
            if (body == NULL) goto failed;
            for (i = 0; i < len; i++) {
                stmt_ty val;
                PyObject *tmp2 = PyList_GET_ITEM(tmp, i);
                Py_INCREF(tmp2);
                res = obj2ast_stmt(tmp2, &val, arena);
                Py_DECREF(tmp2);
                if (res != 0) goto failed;
                if (len != PyList_GET_SIZE(tmp)) {
                    PyErr_SetString(PyExc_RuntimeError, "ClassDef field \"body\" changed size during iteration");
                    goto failed;
                }
                asdl_seq_SET(body, i, val);
            }
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->decorator_list,
            &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"decorator_list\" missing from ClassDef");
            return 1;
        }
        else {
            int res;
            Py_ssize_t len;
            Py_ssize_t i;
            if (!PyList_Check(tmp)) {
                PyErr_Format(PyExc_TypeError, "ClassDef field \"decorator_list\" must be a list, not a %.200s", _PyType_Name(Py_TYPE(tmp)));
                goto failed;
            }
            len = PyList_GET_SIZE(tmp);
            decorator_list = _Py_asdl_seq_new(len, arena);
            if (decorator_list == NULL) goto failed;
            for (i = 0; i < len; i++) {
                expr_ty val;
                PyObject *tmp2 = PyList_GET_ITEM(tmp, i);
                Py_INCREF(tmp2);
                res = obj2ast_expr(tmp2, &val, arena);
                Py_DECREF(tmp2);
                if (res != 0) goto failed;
                if (len != PyList_GET_SIZE(tmp)) {
                    PyErr_SetString(PyExc_RuntimeError, "ClassDef field \"decorator_list\" changed size during iteration");
                    goto failed;
                }
                asdl_seq_SET(decorator_list, i, val);
            }
            Py_CLEAR(tmp);
        }
        *out = ClassDef(name, bases, keywords, body, decorator_list, lineno,
                        col_offset, end_lineno, end_col_offset, arena);
        if (*out == NULL) goto failed;
        return 0;
    }
    tp = astmodulestate_global->Return_type;
    isinstance = PyObject_IsInstance(obj, tp);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        expr_ty value;

        if (_PyObject_LookupAttr(obj, astmodulestate_global->value, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL || tmp == Py_None) {
            Py_CLEAR(tmp);
            value = NULL;
        }
        else {
            int res;
            res = obj2ast_expr(tmp, &value, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        *out = Return(value, lineno, col_offset, end_lineno, end_col_offset,
                      arena);
        if (*out == NULL) goto failed;
        return 0;
    }
    tp = astmodulestate_global->Delete_type;
    isinstance = PyObject_IsInstance(obj, tp);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        asdl_seq* targets;

        if (_PyObject_LookupAttr(obj, astmodulestate_global->targets, &tmp) <
            0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"targets\" missing from Delete");
            return 1;
        }
        else {
            int res;
            Py_ssize_t len;
            Py_ssize_t i;
            if (!PyList_Check(tmp)) {
                PyErr_Format(PyExc_TypeError, "Delete field \"targets\" must be a list, not a %.200s", _PyType_Name(Py_TYPE(tmp)));
                goto failed;
            }
            len = PyList_GET_SIZE(tmp);
            targets = _Py_asdl_seq_new(len, arena);
            if (targets == NULL) goto failed;
            for (i = 0; i < len; i++) {
                expr_ty val;
                PyObject *tmp2 = PyList_GET_ITEM(tmp, i);
                Py_INCREF(tmp2);
                res = obj2ast_expr(tmp2, &val, arena);
                Py_DECREF(tmp2);
                if (res != 0) goto failed;
                if (len != PyList_GET_SIZE(tmp)) {
                    PyErr_SetString(PyExc_RuntimeError, "Delete field \"targets\" changed size during iteration");
                    goto failed;
                }
                asdl_seq_SET(targets, i, val);
            }
            Py_CLEAR(tmp);
        }
        *out = Delete(targets, lineno, col_offset, end_lineno, end_col_offset,
                      arena);
        if (*out == NULL) goto failed;
        return 0;
    }
    tp = astmodulestate_global->Assign_type;
    isinstance = PyObject_IsInstance(obj, tp);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        asdl_seq* targets;
        expr_ty value;
        string type_comment;

        if (_PyObject_LookupAttr(obj, astmodulestate_global->targets, &tmp) <
            0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"targets\" missing from Assign");
            return 1;
        }
        else {
            int res;
            Py_ssize_t len;
            Py_ssize_t i;
            if (!PyList_Check(tmp)) {
                PyErr_Format(PyExc_TypeError, "Assign field \"targets\" must be a list, not a %.200s", _PyType_Name(Py_TYPE(tmp)));
                goto failed;
            }
            len = PyList_GET_SIZE(tmp);
            targets = _Py_asdl_seq_new(len, arena);
            if (targets == NULL) goto failed;
            for (i = 0; i < len; i++) {
                expr_ty val;
                PyObject *tmp2 = PyList_GET_ITEM(tmp, i);
                Py_INCREF(tmp2);
                res = obj2ast_expr(tmp2, &val, arena);
                Py_DECREF(tmp2);
                if (res != 0) goto failed;
                if (len != PyList_GET_SIZE(tmp)) {
                    PyErr_SetString(PyExc_RuntimeError, "Assign field \"targets\" changed size during iteration");
                    goto failed;
                }
                asdl_seq_SET(targets, i, val);
            }
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->value, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"value\" missing from Assign");
            return 1;
        }
        else {
            int res;
            res = obj2ast_expr(tmp, &value, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->type_comment,
            &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL || tmp == Py_None) {
            Py_CLEAR(tmp);
            type_comment = NULL;
        }
        else {
            int res;
            res = obj2ast_string(tmp, &type_comment, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        *out = Assign(targets, value, type_comment, lineno, col_offset,
                      end_lineno, end_col_offset, arena);
        if (*out == NULL) goto failed;
        return 0;
    }
    tp = astmodulestate_global->AugAssign_type;
    isinstance = PyObject_IsInstance(obj, tp);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        expr_ty target;
        operator_ty op;
        expr_ty value;

        if (_PyObject_LookupAttr(obj, astmodulestate_global->target, &tmp) < 0)
            {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"target\" missing from AugAssign");
            return 1;
        }
        else {
            int res;
            res = obj2ast_expr(tmp, &target, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->op, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"op\" missing from AugAssign");
            return 1;
        }
        else {
            int res;
            res = obj2ast_operator(tmp, &op, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->value, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"value\" missing from AugAssign");
            return 1;
        }
        else {
            int res;
            res = obj2ast_expr(tmp, &value, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        *out = AugAssign(target, op, value, lineno, col_offset, end_lineno,
                         end_col_offset, arena);
        if (*out == NULL) goto failed;
        return 0;
    }
    tp = astmodulestate_global->AnnAssign_type;
    isinstance = PyObject_IsInstance(obj, tp);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        expr_ty target;
        expr_ty annotation;
        expr_ty value;
        int simple;

        if (_PyObject_LookupAttr(obj, astmodulestate_global->target, &tmp) < 0)
            {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"target\" missing from AnnAssign");
            return 1;
        }
        else {
            int res;
            res = obj2ast_expr(tmp, &target, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->annotation, &tmp)
            < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"annotation\" missing from AnnAssign");
            return 1;
        }
        else {
            int res;
            res = obj2ast_expr(tmp, &annotation, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->value, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL || tmp == Py_None) {
            Py_CLEAR(tmp);
            value = NULL;
        }
        else {
            int res;
            res = obj2ast_expr(tmp, &value, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->simple, &tmp) < 0)
            {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"simple\" missing from AnnAssign");
            return 1;
        }
        else {
            int res;
            res = obj2ast_int(tmp, &simple, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        *out = AnnAssign(target, annotation, value, simple, lineno, col_offset,
                         end_lineno, end_col_offset, arena);
        if (*out == NULL) goto failed;
        return 0;
    }
    tp = astmodulestate_global->For_type;
    isinstance = PyObject_IsInstance(obj, tp);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        expr_ty target;
        expr_ty iter;
        asdl_seq* body;
        asdl_seq* orelse;
        string type_comment;

        if (_PyObject_LookupAttr(obj, astmodulestate_global->target, &tmp) < 0)
            {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"target\" missing from For");
            return 1;
        }
        else {
            int res;
            res = obj2ast_expr(tmp, &target, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->iter, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"iter\" missing from For");
            return 1;
        }
        else {
            int res;
            res = obj2ast_expr(tmp, &iter, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->body, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"body\" missing from For");
            return 1;
        }
        else {
            int res;
            Py_ssize_t len;
            Py_ssize_t i;
            if (!PyList_Check(tmp)) {
                PyErr_Format(PyExc_TypeError, "For field \"body\" must be a list, not a %.200s", _PyType_Name(Py_TYPE(tmp)));
                goto failed;
            }
            len = PyList_GET_SIZE(tmp);
            body = _Py_asdl_seq_new(len, arena);
            if (body == NULL) goto failed;
            for (i = 0; i < len; i++) {
                stmt_ty val;
                PyObject *tmp2 = PyList_GET_ITEM(tmp, i);
                Py_INCREF(tmp2);
                res = obj2ast_stmt(tmp2, &val, arena);
                Py_DECREF(tmp2);
                if (res != 0) goto failed;
                if (len != PyList_GET_SIZE(tmp)) {
                    PyErr_SetString(PyExc_RuntimeError, "For field \"body\" changed size during iteration");
                    goto failed;
                }
                asdl_seq_SET(body, i, val);
            }
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->orelse, &tmp) < 0)
            {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"orelse\" missing from For");
            return 1;
        }
        else {
            int res;
            Py_ssize_t len;
            Py_ssize_t i;
            if (!PyList_Check(tmp)) {
                PyErr_Format(PyExc_TypeError, "For field \"orelse\" must be a list, not a %.200s", _PyType_Name(Py_TYPE(tmp)));
                goto failed;
            }
            len = PyList_GET_SIZE(tmp);
            orelse = _Py_asdl_seq_new(len, arena);
            if (orelse == NULL) goto failed;
            for (i = 0; i < len; i++) {
                stmt_ty val;
                PyObject *tmp2 = PyList_GET_ITEM(tmp, i);
                Py_INCREF(tmp2);
                res = obj2ast_stmt(tmp2, &val, arena);
                Py_DECREF(tmp2);
                if (res != 0) goto failed;
                if (len != PyList_GET_SIZE(tmp)) {
                    PyErr_SetString(PyExc_RuntimeError, "For field \"orelse\" changed size during iteration");
                    goto failed;
                }
                asdl_seq_SET(orelse, i, val);
            }
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->type_comment,
            &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL || tmp == Py_None) {
            Py_CLEAR(tmp);
            type_comment = NULL;
        }
        else {
            int res;
            res = obj2ast_string(tmp, &type_comment, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        *out = For(target, iter, body, orelse, type_comment, lineno,
                   col_offset, end_lineno, end_col_offset, arena);
        if (*out == NULL) goto failed;
        return 0;
    }
    tp = astmodulestate_global->AsyncFor_type;
    isinstance = PyObject_IsInstance(obj, tp);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        expr_ty target;
        expr_ty iter;
        asdl_seq* body;
        asdl_seq* orelse;
        string type_comment;

        if (_PyObject_LookupAttr(obj, astmodulestate_global->target, &tmp) < 0)
            {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"target\" missing from AsyncFor");
            return 1;
        }
        else {
            int res;
            res = obj2ast_expr(tmp, &target, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->iter, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"iter\" missing from AsyncFor");
            return 1;
        }
        else {
            int res;
            res = obj2ast_expr(tmp, &iter, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->body, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"body\" missing from AsyncFor");
            return 1;
        }
        else {
            int res;
            Py_ssize_t len;
            Py_ssize_t i;
            if (!PyList_Check(tmp)) {
                PyErr_Format(PyExc_TypeError, "AsyncFor field \"body\" must be a list, not a %.200s", _PyType_Name(Py_TYPE(tmp)));
                goto failed;
            }
            len = PyList_GET_SIZE(tmp);
            body = _Py_asdl_seq_new(len, arena);
            if (body == NULL) goto failed;
            for (i = 0; i < len; i++) {
                stmt_ty val;
                PyObject *tmp2 = PyList_GET_ITEM(tmp, i);
                Py_INCREF(tmp2);
                res = obj2ast_stmt(tmp2, &val, arena);
                Py_DECREF(tmp2);
                if (res != 0) goto failed;
                if (len != PyList_GET_SIZE(tmp)) {
                    PyErr_SetString(PyExc_RuntimeError, "AsyncFor field \"body\" changed size during iteration");
                    goto failed;
                }
                asdl_seq_SET(body, i, val);
            }
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->orelse, &tmp) < 0)
            {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"orelse\" missing from AsyncFor");
            return 1;
        }
        else {
            int res;
            Py_ssize_t len;
            Py_ssize_t i;
            if (!PyList_Check(tmp)) {
                PyErr_Format(PyExc_TypeError, "AsyncFor field \"orelse\" must be a list, not a %.200s", _PyType_Name(Py_TYPE(tmp)));
                goto failed;
            }
            len = PyList_GET_SIZE(tmp);
            orelse = _Py_asdl_seq_new(len, arena);
            if (orelse == NULL) goto failed;
            for (i = 0; i < len; i++) {
                stmt_ty val;
                PyObject *tmp2 = PyList_GET_ITEM(tmp, i);
                Py_INCREF(tmp2);
                res = obj2ast_stmt(tmp2, &val, arena);
                Py_DECREF(tmp2);
                if (res != 0) goto failed;
                if (len != PyList_GET_SIZE(tmp)) {
                    PyErr_SetString(PyExc_RuntimeError, "AsyncFor field \"orelse\" changed size during iteration");
                    goto failed;
                }
                asdl_seq_SET(orelse, i, val);
            }
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->type_comment,
            &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL || tmp == Py_None) {
            Py_CLEAR(tmp);
            type_comment = NULL;
        }
        else {
            int res;
            res = obj2ast_string(tmp, &type_comment, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        *out = AsyncFor(target, iter, body, orelse, type_comment, lineno,
                        col_offset, end_lineno, end_col_offset, arena);
        if (*out == NULL) goto failed;
        return 0;
    }
    tp = astmodulestate_global->While_type;
    isinstance = PyObject_IsInstance(obj, tp);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        expr_ty test;
        asdl_seq* body;
        asdl_seq* orelse;

        if (_PyObject_LookupAttr(obj, astmodulestate_global->test, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"test\" missing from While");
            return 1;
        }
        else {
            int res;
            res = obj2ast_expr(tmp, &test, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->body, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"body\" missing from While");
            return 1;
        }
        else {
            int res;
            Py_ssize_t len;
            Py_ssize_t i;
            if (!PyList_Check(tmp)) {
                PyErr_Format(PyExc_TypeError, "While field \"body\" must be a list, not a %.200s", _PyType_Name(Py_TYPE(tmp)));
                goto failed;
            }
            len = PyList_GET_SIZE(tmp);
            body = _Py_asdl_seq_new(len, arena);
            if (body == NULL) goto failed;
            for (i = 0; i < len; i++) {
                stmt_ty val;
                PyObject *tmp2 = PyList_GET_ITEM(tmp, i);
                Py_INCREF(tmp2);
                res = obj2ast_stmt(tmp2, &val, arena);
                Py_DECREF(tmp2);
                if (res != 0) goto failed;
                if (len != PyList_GET_SIZE(tmp)) {
                    PyErr_SetString(PyExc_RuntimeError, "While field \"body\" changed size during iteration");
                    goto failed;
                }
                asdl_seq_SET(body, i, val);
            }
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->orelse, &tmp) < 0)
            {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"orelse\" missing from While");
            return 1;
        }
        else {
            int res;
            Py_ssize_t len;
            Py_ssize_t i;
            if (!PyList_Check(tmp)) {
                PyErr_Format(PyExc_TypeError, "While field \"orelse\" must be a list, not a %.200s", _PyType_Name(Py_TYPE(tmp)));
                goto failed;
            }
            len = PyList_GET_SIZE(tmp);
            orelse = _Py_asdl_seq_new(len, arena);
            if (orelse == NULL) goto failed;
            for (i = 0; i < len; i++) {
                stmt_ty val;
                PyObject *tmp2 = PyList_GET_ITEM(tmp, i);
                Py_INCREF(tmp2);
                res = obj2ast_stmt(tmp2, &val, arena);
                Py_DECREF(tmp2);
                if (res != 0) goto failed;
                if (len != PyList_GET_SIZE(tmp)) {
                    PyErr_SetString(PyExc_RuntimeError, "While field \"orelse\" changed size during iteration");
                    goto failed;
                }
                asdl_seq_SET(orelse, i, val);
            }
            Py_CLEAR(tmp);
        }
        *out = While(test, body, orelse, lineno, col_offset, end_lineno,
                     end_col_offset, arena);
        if (*out == NULL) goto failed;
        return 0;
    }
    tp = astmodulestate_global->If_type;
    isinstance = PyObject_IsInstance(obj, tp);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        expr_ty test;
        asdl_seq* body;
        asdl_seq* orelse;

        if (_PyObject_LookupAttr(obj, astmodulestate_global->test, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"test\" missing from If");
            return 1;
        }
        else {
            int res;
            res = obj2ast_expr(tmp, &test, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->body, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"body\" missing from If");
            return 1;
        }
        else {
            int res;
            Py_ssize_t len;
            Py_ssize_t i;
            if (!PyList_Check(tmp)) {
                PyErr_Format(PyExc_TypeError, "If field \"body\" must be a list, not a %.200s", _PyType_Name(Py_TYPE(tmp)));
                goto failed;
            }
            len = PyList_GET_SIZE(tmp);
            body = _Py_asdl_seq_new(len, arena);
            if (body == NULL) goto failed;
            for (i = 0; i < len; i++) {
                stmt_ty val;
                PyObject *tmp2 = PyList_GET_ITEM(tmp, i);
                Py_INCREF(tmp2);
                res = obj2ast_stmt(tmp2, &val, arena);
                Py_DECREF(tmp2);
                if (res != 0) goto failed;
                if (len != PyList_GET_SIZE(tmp)) {
                    PyErr_SetString(PyExc_RuntimeError, "If field \"body\" changed size during iteration");
                    goto failed;
                }
                asdl_seq_SET(body, i, val);
            }
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->orelse, &tmp) < 0)
            {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"orelse\" missing from If");
            return 1;
        }
        else {
            int res;
            Py_ssize_t len;
            Py_ssize_t i;
            if (!PyList_Check(tmp)) {
                PyErr_Format(PyExc_TypeError, "If field \"orelse\" must be a list, not a %.200s", _PyType_Name(Py_TYPE(tmp)));
                goto failed;
            }
            len = PyList_GET_SIZE(tmp);
            orelse = _Py_asdl_seq_new(len, arena);
            if (orelse == NULL) goto failed;
            for (i = 0; i < len; i++) {
                stmt_ty val;
                PyObject *tmp2 = PyList_GET_ITEM(tmp, i);
                Py_INCREF(tmp2);
                res = obj2ast_stmt(tmp2, &val, arena);
                Py_DECREF(tmp2);
                if (res != 0) goto failed;
                if (len != PyList_GET_SIZE(tmp)) {
                    PyErr_SetString(PyExc_RuntimeError, "If field \"orelse\" changed size during iteration");
                    goto failed;
                }
                asdl_seq_SET(orelse, i, val);
            }
            Py_CLEAR(tmp);
        }
        *out = If(test, body, orelse, lineno, col_offset, end_lineno,
                  end_col_offset, arena);
        if (*out == NULL) goto failed;
        return 0;
    }
    tp = astmodulestate_global->With_type;
    isinstance = PyObject_IsInstance(obj, tp);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        asdl_seq* items;
        asdl_seq* body;
        string type_comment;

        if (_PyObject_LookupAttr(obj, astmodulestate_global->items, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"items\" missing from With");
            return 1;
        }
        else {
            int res;
            Py_ssize_t len;
            Py_ssize_t i;
            if (!PyList_Check(tmp)) {
                PyErr_Format(PyExc_TypeError, "With field \"items\" must be a list, not a %.200s", _PyType_Name(Py_TYPE(tmp)));
                goto failed;
            }
            len = PyList_GET_SIZE(tmp);
            items = _Py_asdl_seq_new(len, arena);
            if (items == NULL) goto failed;
            for (i = 0; i < len; i++) {
                withitem_ty val;
                PyObject *tmp2 = PyList_GET_ITEM(tmp, i);
                Py_INCREF(tmp2);
                res = obj2ast_withitem(tmp2, &val, arena);
                Py_DECREF(tmp2);
                if (res != 0) goto failed;
                if (len != PyList_GET_SIZE(tmp)) {
                    PyErr_SetString(PyExc_RuntimeError, "With field \"items\" changed size during iteration");
                    goto failed;
                }
                asdl_seq_SET(items, i, val);
            }
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->body, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"body\" missing from With");
            return 1;
        }
        else {
            int res;
            Py_ssize_t len;
            Py_ssize_t i;
            if (!PyList_Check(tmp)) {
                PyErr_Format(PyExc_TypeError, "With field \"body\" must be a list, not a %.200s", _PyType_Name(Py_TYPE(tmp)));
                goto failed;
            }
            len = PyList_GET_SIZE(tmp);
            body = _Py_asdl_seq_new(len, arena);
            if (body == NULL) goto failed;
            for (i = 0; i < len; i++) {
                stmt_ty val;
                PyObject *tmp2 = PyList_GET_ITEM(tmp, i);
                Py_INCREF(tmp2);
                res = obj2ast_stmt(tmp2, &val, arena);
                Py_DECREF(tmp2);
                if (res != 0) goto failed;
                if (len != PyList_GET_SIZE(tmp)) {
                    PyErr_SetString(PyExc_RuntimeError, "With field \"body\" changed size during iteration");
                    goto failed;
                }
                asdl_seq_SET(body, i, val);
            }
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->type_comment,
            &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL || tmp == Py_None) {
            Py_CLEAR(tmp);
            type_comment = NULL;
        }
        else {
            int res;
            res = obj2ast_string(tmp, &type_comment, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        *out = With(items, body, type_comment, lineno, col_offset, end_lineno,
                    end_col_offset, arena);
        if (*out == NULL) goto failed;
        return 0;
    }
    tp = astmodulestate_global->AsyncWith_type;
    isinstance = PyObject_IsInstance(obj, tp);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        asdl_seq* items;
        asdl_seq* body;
        string type_comment;

        if (_PyObject_LookupAttr(obj, astmodulestate_global->items, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"items\" missing from AsyncWith");
            return 1;
        }
        else {
            int res;
            Py_ssize_t len;
            Py_ssize_t i;
            if (!PyList_Check(tmp)) {
                PyErr_Format(PyExc_TypeError, "AsyncWith field \"items\" must be a list, not a %.200s", _PyType_Name(Py_TYPE(tmp)));
                goto failed;
            }
            len = PyList_GET_SIZE(tmp);
            items = _Py_asdl_seq_new(len, arena);
            if (items == NULL) goto failed;
            for (i = 0; i < len; i++) {
                withitem_ty val;
                PyObject *tmp2 = PyList_GET_ITEM(tmp, i);
                Py_INCREF(tmp2);
                res = obj2ast_withitem(tmp2, &val, arena);
                Py_DECREF(tmp2);
                if (res != 0) goto failed;
                if (len != PyList_GET_SIZE(tmp)) {
                    PyErr_SetString(PyExc_RuntimeError, "AsyncWith field \"items\" changed size during iteration");
                    goto failed;
                }
                asdl_seq_SET(items, i, val);
            }
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->body, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"body\" missing from AsyncWith");
            return 1;
        }
        else {
            int res;
            Py_ssize_t len;
            Py_ssize_t i;
            if (!PyList_Check(tmp)) {
                PyErr_Format(PyExc_TypeError, "AsyncWith field \"body\" must be a list, not a %.200s", _PyType_Name(Py_TYPE(tmp)));
                goto failed;
            }
            len = PyList_GET_SIZE(tmp);
            body = _Py_asdl_seq_new(len, arena);
            if (body == NULL) goto failed;
            for (i = 0; i < len; i++) {
                stmt_ty val;
                PyObject *tmp2 = PyList_GET_ITEM(tmp, i);
                Py_INCREF(tmp2);
                res = obj2ast_stmt(tmp2, &val, arena);
                Py_DECREF(tmp2);
                if (res != 0) goto failed;
                if (len != PyList_GET_SIZE(tmp)) {
                    PyErr_SetString(PyExc_RuntimeError, "AsyncWith field \"body\" changed size during iteration");
                    goto failed;
                }
                asdl_seq_SET(body, i, val);
            }
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->type_comment,
            &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL || tmp == Py_None) {
            Py_CLEAR(tmp);
            type_comment = NULL;
        }
        else {
            int res;
            res = obj2ast_string(tmp, &type_comment, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        *out = AsyncWith(items, body, type_comment, lineno, col_offset,
                         end_lineno, end_col_offset, arena);
        if (*out == NULL) goto failed;
        return 0;
    }
    tp = astmodulestate_global->Raise_type;
    isinstance = PyObject_IsInstance(obj, tp);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        expr_ty exc;
        expr_ty cause;

        if (_PyObject_LookupAttr(obj, astmodulestate_global->exc, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL || tmp == Py_None) {
            Py_CLEAR(tmp);
            exc = NULL;
        }
        else {
            int res;
            res = obj2ast_expr(tmp, &exc, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->cause, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL || tmp == Py_None) {
            Py_CLEAR(tmp);
            cause = NULL;
        }
        else {
            int res;
            res = obj2ast_expr(tmp, &cause, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        *out = Raise(exc, cause, lineno, col_offset, end_lineno,
                     end_col_offset, arena);
        if (*out == NULL) goto failed;
        return 0;
    }
    tp = astmodulestate_global->Try_type;
    isinstance = PyObject_IsInstance(obj, tp);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        asdl_seq* body;
        asdl_seq* handlers;
        asdl_seq* orelse;
        asdl_seq* finalbody;

        if (_PyObject_LookupAttr(obj, astmodulestate_global->body, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"body\" missing from Try");
            return 1;
        }
        else {
            int res;
            Py_ssize_t len;
            Py_ssize_t i;
            if (!PyList_Check(tmp)) {
                PyErr_Format(PyExc_TypeError, "Try field \"body\" must be a list, not a %.200s", _PyType_Name(Py_TYPE(tmp)));
                goto failed;
            }
            len = PyList_GET_SIZE(tmp);
            body = _Py_asdl_seq_new(len, arena);
            if (body == NULL) goto failed;
            for (i = 0; i < len; i++) {
                stmt_ty val;
                PyObject *tmp2 = PyList_GET_ITEM(tmp, i);
                Py_INCREF(tmp2);
                res = obj2ast_stmt(tmp2, &val, arena);
                Py_DECREF(tmp2);
                if (res != 0) goto failed;
                if (len != PyList_GET_SIZE(tmp)) {
                    PyErr_SetString(PyExc_RuntimeError, "Try field \"body\" changed size during iteration");
                    goto failed;
                }
                asdl_seq_SET(body, i, val);
            }
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->handlers, &tmp) <
            0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"handlers\" missing from Try");
            return 1;
        }
        else {
            int res;
            Py_ssize_t len;
            Py_ssize_t i;
            if (!PyList_Check(tmp)) {
                PyErr_Format(PyExc_TypeError, "Try field \"handlers\" must be a list, not a %.200s", _PyType_Name(Py_TYPE(tmp)));
                goto failed;
            }
            len = PyList_GET_SIZE(tmp);
            handlers = _Py_asdl_seq_new(len, arena);
            if (handlers == NULL) goto failed;
            for (i = 0; i < len; i++) {
                excepthandler_ty val;
                PyObject *tmp2 = PyList_GET_ITEM(tmp, i);
                Py_INCREF(tmp2);
                res = obj2ast_excepthandler(tmp2, &val, arena);
                Py_DECREF(tmp2);
                if (res != 0) goto failed;
                if (len != PyList_GET_SIZE(tmp)) {
                    PyErr_SetString(PyExc_RuntimeError, "Try field \"handlers\" changed size during iteration");
                    goto failed;
                }
                asdl_seq_SET(handlers, i, val);
            }
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->orelse, &tmp) < 0)
            {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"orelse\" missing from Try");
            return 1;
        }
        else {
            int res;
            Py_ssize_t len;
            Py_ssize_t i;
            if (!PyList_Check(tmp)) {
                PyErr_Format(PyExc_TypeError, "Try field \"orelse\" must be a list, not a %.200s", _PyType_Name(Py_TYPE(tmp)));
                goto failed;
            }
            len = PyList_GET_SIZE(tmp);
            orelse = _Py_asdl_seq_new(len, arena);
            if (orelse == NULL) goto failed;
            for (i = 0; i < len; i++) {
                stmt_ty val;
                PyObject *tmp2 = PyList_GET_ITEM(tmp, i);
                Py_INCREF(tmp2);
                res = obj2ast_stmt(tmp2, &val, arena);
                Py_DECREF(tmp2);
                if (res != 0) goto failed;
                if (len != PyList_GET_SIZE(tmp)) {
                    PyErr_SetString(PyExc_RuntimeError, "Try field \"orelse\" changed size during iteration");
                    goto failed;
                }
                asdl_seq_SET(orelse, i, val);
            }
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->finalbody, &tmp) <
            0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"finalbody\" missing from Try");
            return 1;
        }
        else {
            int res;
            Py_ssize_t len;
            Py_ssize_t i;
            if (!PyList_Check(tmp)) {
                PyErr_Format(PyExc_TypeError, "Try field \"finalbody\" must be a list, not a %.200s", _PyType_Name(Py_TYPE(tmp)));
                goto failed;
            }
            len = PyList_GET_SIZE(tmp);
            finalbody = _Py_asdl_seq_new(len, arena);
            if (finalbody == NULL) goto failed;
            for (i = 0; i < len; i++) {
                stmt_ty val;
                PyObject *tmp2 = PyList_GET_ITEM(tmp, i);
                Py_INCREF(tmp2);
                res = obj2ast_stmt(tmp2, &val, arena);
                Py_DECREF(tmp2);
                if (res != 0) goto failed;
                if (len != PyList_GET_SIZE(tmp)) {
                    PyErr_SetString(PyExc_RuntimeError, "Try field \"finalbody\" changed size during iteration");
                    goto failed;
                }
                asdl_seq_SET(finalbody, i, val);
            }
            Py_CLEAR(tmp);
        }
        *out = Try(body, handlers, orelse, finalbody, lineno, col_offset,
                   end_lineno, end_col_offset, arena);
        if (*out == NULL) goto failed;
        return 0;
    }
    tp = astmodulestate_global->Assert_type;
    isinstance = PyObject_IsInstance(obj, tp);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        expr_ty test;
        expr_ty msg;

        if (_PyObject_LookupAttr(obj, astmodulestate_global->test, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"test\" missing from Assert");
            return 1;
        }
        else {
            int res;
            res = obj2ast_expr(tmp, &test, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->msg, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL || tmp == Py_None) {
            Py_CLEAR(tmp);
            msg = NULL;
        }
        else {
            int res;
            res = obj2ast_expr(tmp, &msg, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        *out = Assert(test, msg, lineno, col_offset, end_lineno,
                      end_col_offset, arena);
        if (*out == NULL) goto failed;
        return 0;
    }
    tp = astmodulestate_global->Import_type;
    isinstance = PyObject_IsInstance(obj, tp);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        asdl_seq* names;

        if (_PyObject_LookupAttr(obj, astmodulestate_global->names, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"names\" missing from Import");
            return 1;
        }
        else {
            int res;
            Py_ssize_t len;
            Py_ssize_t i;
            if (!PyList_Check(tmp)) {
                PyErr_Format(PyExc_TypeError, "Import field \"names\" must be a list, not a %.200s", _PyType_Name(Py_TYPE(tmp)));
                goto failed;
            }
            len = PyList_GET_SIZE(tmp);
            names = _Py_asdl_seq_new(len, arena);
            if (names == NULL) goto failed;
            for (i = 0; i < len; i++) {
                alias_ty val;
                PyObject *tmp2 = PyList_GET_ITEM(tmp, i);
                Py_INCREF(tmp2);
                res = obj2ast_alias(tmp2, &val, arena);
                Py_DECREF(tmp2);
                if (res != 0) goto failed;
                if (len != PyList_GET_SIZE(tmp)) {
                    PyErr_SetString(PyExc_RuntimeError, "Import field \"names\" changed size during iteration");
                    goto failed;
                }
                asdl_seq_SET(names, i, val);
            }
            Py_CLEAR(tmp);
        }
        *out = Import(names, lineno, col_offset, end_lineno, end_col_offset,
                      arena);
        if (*out == NULL) goto failed;
        return 0;
    }
    tp = astmodulestate_global->ImportFrom_type;
    isinstance = PyObject_IsInstance(obj, tp);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        identifier module;
        asdl_seq* names;
        int level;

        if (_PyObject_LookupAttr(obj, astmodulestate_global->module, &tmp) < 0)
            {
            return 1;
        }
        if (tmp == NULL || tmp == Py_None) {
            Py_CLEAR(tmp);
            module = NULL;
        }
        else {
            int res;
            res = obj2ast_identifier(tmp, &module, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->names, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"names\" missing from ImportFrom");
            return 1;
        }
        else {
            int res;
            Py_ssize_t len;
            Py_ssize_t i;
            if (!PyList_Check(tmp)) {
                PyErr_Format(PyExc_TypeError, "ImportFrom field \"names\" must be a list, not a %.200s", _PyType_Name(Py_TYPE(tmp)));
                goto failed;
            }
            len = PyList_GET_SIZE(tmp);
            names = _Py_asdl_seq_new(len, arena);
            if (names == NULL) goto failed;
            for (i = 0; i < len; i++) {
                alias_ty val;
                PyObject *tmp2 = PyList_GET_ITEM(tmp, i);
                Py_INCREF(tmp2);
                res = obj2ast_alias(tmp2, &val, arena);
                Py_DECREF(tmp2);
                if (res != 0) goto failed;
                if (len != PyList_GET_SIZE(tmp)) {
                    PyErr_SetString(PyExc_RuntimeError, "ImportFrom field \"names\" changed size during iteration");
                    goto failed;
                }
                asdl_seq_SET(names, i, val);
            }
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->level, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL || tmp == Py_None) {
            Py_CLEAR(tmp);
            level = 0;
        }
        else {
            int res;
            res = obj2ast_int(tmp, &level, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        *out = ImportFrom(module, names, level, lineno, col_offset, end_lineno,
                          end_col_offset, arena);
        if (*out == NULL) goto failed;
        return 0;
    }
    tp = astmodulestate_global->Global_type;
    isinstance = PyObject_IsInstance(obj, tp);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        asdl_seq* names;

        if (_PyObject_LookupAttr(obj, astmodulestate_global->names, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"names\" missing from Global");
            return 1;
        }
        else {
            int res;
            Py_ssize_t len;
            Py_ssize_t i;
            if (!PyList_Check(tmp)) {
                PyErr_Format(PyExc_TypeError, "Global field \"names\" must be a list, not a %.200s", _PyType_Name(Py_TYPE(tmp)));
                goto failed;
            }
            len = PyList_GET_SIZE(tmp);
            names = _Py_asdl_seq_new(len, arena);
            if (names == NULL) goto failed;
            for (i = 0; i < len; i++) {
                identifier val;
                PyObject *tmp2 = PyList_GET_ITEM(tmp, i);
                Py_INCREF(tmp2);
                res = obj2ast_identifier(tmp2, &val, arena);
                Py_DECREF(tmp2);
                if (res != 0) goto failed;
                if (len != PyList_GET_SIZE(tmp)) {
                    PyErr_SetString(PyExc_RuntimeError, "Global field \"names\" changed size during iteration");
                    goto failed;
                }
                asdl_seq_SET(names, i, val);
            }
            Py_CLEAR(tmp);
        }
        *out = Global(names, lineno, col_offset, end_lineno, end_col_offset,
                      arena);
        if (*out == NULL) goto failed;
        return 0;
    }
    tp = astmodulestate_global->Nonlocal_type;
    isinstance = PyObject_IsInstance(obj, tp);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        asdl_seq* names;

        if (_PyObject_LookupAttr(obj, astmodulestate_global->names, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"names\" missing from Nonlocal");
            return 1;
        }
        else {
            int res;
            Py_ssize_t len;
            Py_ssize_t i;
            if (!PyList_Check(tmp)) {
                PyErr_Format(PyExc_TypeError, "Nonlocal field \"names\" must be a list, not a %.200s", _PyType_Name(Py_TYPE(tmp)));
                goto failed;
            }
            len = PyList_GET_SIZE(tmp);
            names = _Py_asdl_seq_new(len, arena);
            if (names == NULL) goto failed;
            for (i = 0; i < len; i++) {
                identifier val;
                PyObject *tmp2 = PyList_GET_ITEM(tmp, i);
                Py_INCREF(tmp2);
                res = obj2ast_identifier(tmp2, &val, arena);
                Py_DECREF(tmp2);
                if (res != 0) goto failed;
                if (len != PyList_GET_SIZE(tmp)) {
                    PyErr_SetString(PyExc_RuntimeError, "Nonlocal field \"names\" changed size during iteration");
                    goto failed;
                }
                asdl_seq_SET(names, i, val);
            }
            Py_CLEAR(tmp);
        }
        *out = Nonlocal(names, lineno, col_offset, end_lineno, end_col_offset,
                        arena);
        if (*out == NULL) goto failed;
        return 0;
    }
    tp = astmodulestate_global->Expr_type;
    isinstance = PyObject_IsInstance(obj, tp);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        expr_ty value;

        if (_PyObject_LookupAttr(obj, astmodulestate_global->value, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"value\" missing from Expr");
            return 1;
        }
        else {
            int res;
            res = obj2ast_expr(tmp, &value, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        *out = Expr(value, lineno, col_offset, end_lineno, end_col_offset,
                    arena);
        if (*out == NULL) goto failed;
        return 0;
    }
    tp = astmodulestate_global->Pass_type;
    isinstance = PyObject_IsInstance(obj, tp);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {

        *out = Pass(lineno, col_offset, end_lineno, end_col_offset, arena);
        if (*out == NULL) goto failed;
        return 0;
    }
    tp = astmodulestate_global->Break_type;
    isinstance = PyObject_IsInstance(obj, tp);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {

        *out = Break(lineno, col_offset, end_lineno, end_col_offset, arena);
        if (*out == NULL) goto failed;
        return 0;
    }
    tp = astmodulestate_global->Continue_type;
    isinstance = PyObject_IsInstance(obj, tp);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {

        *out = Continue(lineno, col_offset, end_lineno, end_col_offset, arena);
        if (*out == NULL) goto failed;
        return 0;
    }

    PyErr_Format(PyExc_TypeError, "expected some sort of stmt, but got %R", obj);
    failed:
    Py_XDECREF(tmp);
    return 1;
}

int
obj2ast_expr(PyObject* obj, expr_ty* out, PyArena* arena)
{
    int isinstance;

    PyObject *tmp = NULL;
    PyObject *tp;
    int lineno;
    int col_offset;
    int end_lineno;
    int end_col_offset;

    if (obj == Py_None) {
        *out = NULL;
        return 0;
    }
    if (_PyObject_LookupAttr(obj, astmodulestate_global->lineno, &tmp) < 0) {
        return 1;
    }
    if (tmp == NULL) {
        PyErr_SetString(PyExc_TypeError, "required field \"lineno\" missing from expr");
        return 1;
    }
    else {
        int res;
        res = obj2ast_int(tmp, &lineno, arena);
        if (res != 0) goto failed;
        Py_CLEAR(tmp);
    }
    if (_PyObject_LookupAttr(obj, astmodulestate_global->col_offset, &tmp) < 0)
        {
        return 1;
    }
    if (tmp == NULL) {
        PyErr_SetString(PyExc_TypeError, "required field \"col_offset\" missing from expr");
        return 1;
    }
    else {
        int res;
        res = obj2ast_int(tmp, &col_offset, arena);
        if (res != 0) goto failed;
        Py_CLEAR(tmp);
    }
    if (_PyObject_LookupAttr(obj, astmodulestate_global->end_lineno, &tmp) < 0)
        {
        return 1;
    }
    if (tmp == NULL || tmp == Py_None) {
        Py_CLEAR(tmp);
        end_lineno = 0;
    }
    else {
        int res;
        res = obj2ast_int(tmp, &end_lineno, arena);
        if (res != 0) goto failed;
        Py_CLEAR(tmp);
    }
    if (_PyObject_LookupAttr(obj, astmodulestate_global->end_col_offset, &tmp)
        < 0) {
        return 1;
    }
    if (tmp == NULL || tmp == Py_None) {
        Py_CLEAR(tmp);
        end_col_offset = 0;
    }
    else {
        int res;
        res = obj2ast_int(tmp, &end_col_offset, arena);
        if (res != 0) goto failed;
        Py_CLEAR(tmp);
    }
    tp = astmodulestate_global->BoolOp_type;
    isinstance = PyObject_IsInstance(obj, tp);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        boolop_ty op;
        asdl_seq* values;

        if (_PyObject_LookupAttr(obj, astmodulestate_global->op, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"op\" missing from BoolOp");
            return 1;
        }
        else {
            int res;
            res = obj2ast_boolop(tmp, &op, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->values, &tmp) < 0)
            {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"values\" missing from BoolOp");
            return 1;
        }
        else {
            int res;
            Py_ssize_t len;
            Py_ssize_t i;
            if (!PyList_Check(tmp)) {
                PyErr_Format(PyExc_TypeError, "BoolOp field \"values\" must be a list, not a %.200s", _PyType_Name(Py_TYPE(tmp)));
                goto failed;
            }
            len = PyList_GET_SIZE(tmp);
            values = _Py_asdl_seq_new(len, arena);
            if (values == NULL) goto failed;
            for (i = 0; i < len; i++) {
                expr_ty val;
                PyObject *tmp2 = PyList_GET_ITEM(tmp, i);
                Py_INCREF(tmp2);
                res = obj2ast_expr(tmp2, &val, arena);
                Py_DECREF(tmp2);
                if (res != 0) goto failed;
                if (len != PyList_GET_SIZE(tmp)) {
                    PyErr_SetString(PyExc_RuntimeError, "BoolOp field \"values\" changed size during iteration");
                    goto failed;
                }
                asdl_seq_SET(values, i, val);
            }
            Py_CLEAR(tmp);
        }
        *out = BoolOp(op, values, lineno, col_offset, end_lineno,
                      end_col_offset, arena);
        if (*out == NULL) goto failed;
        return 0;
    }
    tp = astmodulestate_global->NamedExpr_type;
    isinstance = PyObject_IsInstance(obj, tp);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        expr_ty target;
        expr_ty value;

        if (_PyObject_LookupAttr(obj, astmodulestate_global->target, &tmp) < 0)
            {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"target\" missing from NamedExpr");
            return 1;
        }
        else {
            int res;
            res = obj2ast_expr(tmp, &target, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->value, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"value\" missing from NamedExpr");
            return 1;
        }
        else {
            int res;
            res = obj2ast_expr(tmp, &value, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        *out = NamedExpr(target, value, lineno, col_offset, end_lineno,
                         end_col_offset, arena);
        if (*out == NULL) goto failed;
        return 0;
    }
    tp = astmodulestate_global->BinOp_type;
    isinstance = PyObject_IsInstance(obj, tp);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        expr_ty left;
        operator_ty op;
        expr_ty right;

        if (_PyObject_LookupAttr(obj, astmodulestate_global->left, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"left\" missing from BinOp");
            return 1;
        }
        else {
            int res;
            res = obj2ast_expr(tmp, &left, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->op, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"op\" missing from BinOp");
            return 1;
        }
        else {
            int res;
            res = obj2ast_operator(tmp, &op, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->right, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"right\" missing from BinOp");
            return 1;
        }
        else {
            int res;
            res = obj2ast_expr(tmp, &right, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        *out = BinOp(left, op, right, lineno, col_offset, end_lineno,
                     end_col_offset, arena);
        if (*out == NULL) goto failed;
        return 0;
    }
    tp = astmodulestate_global->UnaryOp_type;
    isinstance = PyObject_IsInstance(obj, tp);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        unaryop_ty op;
        expr_ty operand;

        if (_PyObject_LookupAttr(obj, astmodulestate_global->op, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"op\" missing from UnaryOp");
            return 1;
        }
        else {
            int res;
            res = obj2ast_unaryop(tmp, &op, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->operand, &tmp) <
            0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"operand\" missing from UnaryOp");
            return 1;
        }
        else {
            int res;
            res = obj2ast_expr(tmp, &operand, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        *out = UnaryOp(op, operand, lineno, col_offset, end_lineno,
                       end_col_offset, arena);
        if (*out == NULL) goto failed;
        return 0;
    }
    tp = astmodulestate_global->Lambda_type;
    isinstance = PyObject_IsInstance(obj, tp);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        arguments_ty args;
        expr_ty body;

        if (_PyObject_LookupAttr(obj, astmodulestate_global->args, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"args\" missing from Lambda");
            return 1;
        }
        else {
            int res;
            res = obj2ast_arguments(tmp, &args, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->body, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"body\" missing from Lambda");
            return 1;
        }
        else {
            int res;
            res = obj2ast_expr(tmp, &body, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        *out = Lambda(args, body, lineno, col_offset, end_lineno,
                      end_col_offset, arena);
        if (*out == NULL) goto failed;
        return 0;
    }
    tp = astmodulestate_global->IfExp_type;
    isinstance = PyObject_IsInstance(obj, tp);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        expr_ty test;
        expr_ty body;
        expr_ty orelse;

        if (_PyObject_LookupAttr(obj, astmodulestate_global->test, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"test\" missing from IfExp");
            return 1;
        }
        else {
            int res;
            res = obj2ast_expr(tmp, &test, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->body, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"body\" missing from IfExp");
            return 1;
        }
        else {
            int res;
            res = obj2ast_expr(tmp, &body, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->orelse, &tmp) < 0)
            {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"orelse\" missing from IfExp");
            return 1;
        }
        else {
            int res;
            res = obj2ast_expr(tmp, &orelse, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        *out = IfExp(test, body, orelse, lineno, col_offset, end_lineno,
                     end_col_offset, arena);
        if (*out == NULL) goto failed;
        return 0;
    }
    tp = astmodulestate_global->Dict_type;
    isinstance = PyObject_IsInstance(obj, tp);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        asdl_seq* keys;
        asdl_seq* values;

        if (_PyObject_LookupAttr(obj, astmodulestate_global->keys, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"keys\" missing from Dict");
            return 1;
        }
        else {
            int res;
            Py_ssize_t len;
            Py_ssize_t i;
            if (!PyList_Check(tmp)) {
                PyErr_Format(PyExc_TypeError, "Dict field \"keys\" must be a list, not a %.200s", _PyType_Name(Py_TYPE(tmp)));
                goto failed;
            }
            len = PyList_GET_SIZE(tmp);
            keys = _Py_asdl_seq_new(len, arena);
            if (keys == NULL) goto failed;
            for (i = 0; i < len; i++) {
                expr_ty val;
                PyObject *tmp2 = PyList_GET_ITEM(tmp, i);
                Py_INCREF(tmp2);
                res = obj2ast_expr(tmp2, &val, arena);
                Py_DECREF(tmp2);
                if (res != 0) goto failed;
                if (len != PyList_GET_SIZE(tmp)) {
                    PyErr_SetString(PyExc_RuntimeError, "Dict field \"keys\" changed size during iteration");
                    goto failed;
                }
                asdl_seq_SET(keys, i, val);
            }
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->values, &tmp) < 0)
            {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"values\" missing from Dict");
            return 1;
        }
        else {
            int res;
            Py_ssize_t len;
            Py_ssize_t i;
            if (!PyList_Check(tmp)) {
                PyErr_Format(PyExc_TypeError, "Dict field \"values\" must be a list, not a %.200s", _PyType_Name(Py_TYPE(tmp)));
                goto failed;
            }
            len = PyList_GET_SIZE(tmp);
            values = _Py_asdl_seq_new(len, arena);
            if (values == NULL) goto failed;
            for (i = 0; i < len; i++) {
                expr_ty val;
                PyObject *tmp2 = PyList_GET_ITEM(tmp, i);
                Py_INCREF(tmp2);
                res = obj2ast_expr(tmp2, &val, arena);
                Py_DECREF(tmp2);
                if (res != 0) goto failed;
                if (len != PyList_GET_SIZE(tmp)) {
                    PyErr_SetString(PyExc_RuntimeError, "Dict field \"values\" changed size during iteration");
                    goto failed;
                }
                asdl_seq_SET(values, i, val);
            }
            Py_CLEAR(tmp);
        }
        *out = Dict(keys, values, lineno, col_offset, end_lineno,
                    end_col_offset, arena);
        if (*out == NULL) goto failed;
        return 0;
    }
    tp = astmodulestate_global->Set_type;
    isinstance = PyObject_IsInstance(obj, tp);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        asdl_seq* elts;

        if (_PyObject_LookupAttr(obj, astmodulestate_global->elts, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"elts\" missing from Set");
            return 1;
        }
        else {
            int res;
            Py_ssize_t len;
            Py_ssize_t i;
            if (!PyList_Check(tmp)) {
                PyErr_Format(PyExc_TypeError, "Set field \"elts\" must be a list, not a %.200s", _PyType_Name(Py_TYPE(tmp)));
                goto failed;
            }
            len = PyList_GET_SIZE(tmp);
            elts = _Py_asdl_seq_new(len, arena);
            if (elts == NULL) goto failed;
            for (i = 0; i < len; i++) {
                expr_ty val;
                PyObject *tmp2 = PyList_GET_ITEM(tmp, i);
                Py_INCREF(tmp2);
                res = obj2ast_expr(tmp2, &val, arena);
                Py_DECREF(tmp2);
                if (res != 0) goto failed;
                if (len != PyList_GET_SIZE(tmp)) {
                    PyErr_SetString(PyExc_RuntimeError, "Set field \"elts\" changed size during iteration");
                    goto failed;
                }
                asdl_seq_SET(elts, i, val);
            }
            Py_CLEAR(tmp);
        }
        *out = Set(elts, lineno, col_offset, end_lineno, end_col_offset, arena);
        if (*out == NULL) goto failed;
        return 0;
    }
    tp = astmodulestate_global->ListComp_type;
    isinstance = PyObject_IsInstance(obj, tp);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        expr_ty elt;
        asdl_seq* generators;

        if (_PyObject_LookupAttr(obj, astmodulestate_global->elt, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"elt\" missing from ListComp");
            return 1;
        }
        else {
            int res;
            res = obj2ast_expr(tmp, &elt, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->generators, &tmp)
            < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"generators\" missing from ListComp");
            return 1;
        }
        else {
            int res;
            Py_ssize_t len;
            Py_ssize_t i;
            if (!PyList_Check(tmp)) {
                PyErr_Format(PyExc_TypeError, "ListComp field \"generators\" must be a list, not a %.200s", _PyType_Name(Py_TYPE(tmp)));
                goto failed;
            }
            len = PyList_GET_SIZE(tmp);
            generators = _Py_asdl_seq_new(len, arena);
            if (generators == NULL) goto failed;
            for (i = 0; i < len; i++) {
                comprehension_ty val;
                PyObject *tmp2 = PyList_GET_ITEM(tmp, i);
                Py_INCREF(tmp2);
                res = obj2ast_comprehension(tmp2, &val, arena);
                Py_DECREF(tmp2);
                if (res != 0) goto failed;
                if (len != PyList_GET_SIZE(tmp)) {
                    PyErr_SetString(PyExc_RuntimeError, "ListComp field \"generators\" changed size during iteration");
                    goto failed;
                }
                asdl_seq_SET(generators, i, val);
            }
            Py_CLEAR(tmp);
        }
        *out = ListComp(elt, generators, lineno, col_offset, end_lineno,
                        end_col_offset, arena);
        if (*out == NULL) goto failed;
        return 0;
    }
    tp = astmodulestate_global->SetComp_type;
    isinstance = PyObject_IsInstance(obj, tp);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        expr_ty elt;
        asdl_seq* generators;

        if (_PyObject_LookupAttr(obj, astmodulestate_global->elt, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"elt\" missing from SetComp");
            return 1;
        }
        else {
            int res;
            res = obj2ast_expr(tmp, &elt, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->generators, &tmp)
            < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"generators\" missing from SetComp");
            return 1;
        }
        else {
            int res;
            Py_ssize_t len;
            Py_ssize_t i;
            if (!PyList_Check(tmp)) {
                PyErr_Format(PyExc_TypeError, "SetComp field \"generators\" must be a list, not a %.200s", _PyType_Name(Py_TYPE(tmp)));
                goto failed;
            }
            len = PyList_GET_SIZE(tmp);
            generators = _Py_asdl_seq_new(len, arena);
            if (generators == NULL) goto failed;
            for (i = 0; i < len; i++) {
                comprehension_ty val;
                PyObject *tmp2 = PyList_GET_ITEM(tmp, i);
                Py_INCREF(tmp2);
                res = obj2ast_comprehension(tmp2, &val, arena);
                Py_DECREF(tmp2);
                if (res != 0) goto failed;
                if (len != PyList_GET_SIZE(tmp)) {
                    PyErr_SetString(PyExc_RuntimeError, "SetComp field \"generators\" changed size during iteration");
                    goto failed;
                }
                asdl_seq_SET(generators, i, val);
            }
            Py_CLEAR(tmp);
        }
        *out = SetComp(elt, generators, lineno, col_offset, end_lineno,
                       end_col_offset, arena);
        if (*out == NULL) goto failed;
        return 0;
    }
    tp = astmodulestate_global->DictComp_type;
    isinstance = PyObject_IsInstance(obj, tp);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        expr_ty key;
        expr_ty value;
        asdl_seq* generators;

        if (_PyObject_LookupAttr(obj, astmodulestate_global->key, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"key\" missing from DictComp");
            return 1;
        }
        else {
            int res;
            res = obj2ast_expr(tmp, &key, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->value, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"value\" missing from DictComp");
            return 1;
        }
        else {
            int res;
            res = obj2ast_expr(tmp, &value, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->generators, &tmp)
            < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"generators\" missing from DictComp");
            return 1;
        }
        else {
            int res;
            Py_ssize_t len;
            Py_ssize_t i;
            if (!PyList_Check(tmp)) {
                PyErr_Format(PyExc_TypeError, "DictComp field \"generators\" must be a list, not a %.200s", _PyType_Name(Py_TYPE(tmp)));
                goto failed;
            }
            len = PyList_GET_SIZE(tmp);
            generators = _Py_asdl_seq_new(len, arena);
            if (generators == NULL) goto failed;
            for (i = 0; i < len; i++) {
                comprehension_ty val;
                PyObject *tmp2 = PyList_GET_ITEM(tmp, i);
                Py_INCREF(tmp2);
                res = obj2ast_comprehension(tmp2, &val, arena);
                Py_DECREF(tmp2);
                if (res != 0) goto failed;
                if (len != PyList_GET_SIZE(tmp)) {
                    PyErr_SetString(PyExc_RuntimeError, "DictComp field \"generators\" changed size during iteration");
                    goto failed;
                }
                asdl_seq_SET(generators, i, val);
            }
            Py_CLEAR(tmp);
        }
        *out = DictComp(key, value, generators, lineno, col_offset, end_lineno,
                        end_col_offset, arena);
        if (*out == NULL) goto failed;
        return 0;
    }
    tp = astmodulestate_global->GeneratorExp_type;
    isinstance = PyObject_IsInstance(obj, tp);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        expr_ty elt;
        asdl_seq* generators;

        if (_PyObject_LookupAttr(obj, astmodulestate_global->elt, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"elt\" missing from GeneratorExp");
            return 1;
        }
        else {
            int res;
            res = obj2ast_expr(tmp, &elt, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->generators, &tmp)
            < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"generators\" missing from GeneratorExp");
            return 1;
        }
        else {
            int res;
            Py_ssize_t len;
            Py_ssize_t i;
            if (!PyList_Check(tmp)) {
                PyErr_Format(PyExc_TypeError, "GeneratorExp field \"generators\" must be a list, not a %.200s", _PyType_Name(Py_TYPE(tmp)));
                goto failed;
            }
            len = PyList_GET_SIZE(tmp);
            generators = _Py_asdl_seq_new(len, arena);
            if (generators == NULL) goto failed;
            for (i = 0; i < len; i++) {
                comprehension_ty val;
                PyObject *tmp2 = PyList_GET_ITEM(tmp, i);
                Py_INCREF(tmp2);
                res = obj2ast_comprehension(tmp2, &val, arena);
                Py_DECREF(tmp2);
                if (res != 0) goto failed;
                if (len != PyList_GET_SIZE(tmp)) {
                    PyErr_SetString(PyExc_RuntimeError, "GeneratorExp field \"generators\" changed size during iteration");
                    goto failed;
                }
                asdl_seq_SET(generators, i, val);
            }
            Py_CLEAR(tmp);
        }
        *out = GeneratorExp(elt, generators, lineno, col_offset, end_lineno,
                            end_col_offset, arena);
        if (*out == NULL) goto failed;
        return 0;
    }
    tp = astmodulestate_global->Await_type;
    isinstance = PyObject_IsInstance(obj, tp);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        expr_ty value;

        if (_PyObject_LookupAttr(obj, astmodulestate_global->value, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"value\" missing from Await");
            return 1;
        }
        else {
            int res;
            res = obj2ast_expr(tmp, &value, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        *out = Await(value, lineno, col_offset, end_lineno, end_col_offset,
                     arena);
        if (*out == NULL) goto failed;
        return 0;
    }
    tp = astmodulestate_global->Yield_type;
    isinstance = PyObject_IsInstance(obj, tp);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        expr_ty value;

        if (_PyObject_LookupAttr(obj, astmodulestate_global->value, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL || tmp == Py_None) {
            Py_CLEAR(tmp);
            value = NULL;
        }
        else {
            int res;
            res = obj2ast_expr(tmp, &value, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        *out = Yield(value, lineno, col_offset, end_lineno, end_col_offset,
                     arena);
        if (*out == NULL) goto failed;
        return 0;
    }
    tp = astmodulestate_global->YieldFrom_type;
    isinstance = PyObject_IsInstance(obj, tp);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        expr_ty value;

        if (_PyObject_LookupAttr(obj, astmodulestate_global->value, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"value\" missing from YieldFrom");
            return 1;
        }
        else {
            int res;
            res = obj2ast_expr(tmp, &value, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        *out = YieldFrom(value, lineno, col_offset, end_lineno, end_col_offset,
                         arena);
        if (*out == NULL) goto failed;
        return 0;
    }
    tp = astmodulestate_global->Compare_type;
    isinstance = PyObject_IsInstance(obj, tp);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        expr_ty left;
        asdl_int_seq* ops;
        asdl_seq* comparators;

        if (_PyObject_LookupAttr(obj, astmodulestate_global->left, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"left\" missing from Compare");
            return 1;
        }
        else {
            int res;
            res = obj2ast_expr(tmp, &left, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->ops, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"ops\" missing from Compare");
            return 1;
        }
        else {
            int res;
            Py_ssize_t len;
            Py_ssize_t i;
            if (!PyList_Check(tmp)) {
                PyErr_Format(PyExc_TypeError, "Compare field \"ops\" must be a list, not a %.200s", _PyType_Name(Py_TYPE(tmp)));
                goto failed;
            }
            len = PyList_GET_SIZE(tmp);
            ops = _Py_asdl_int_seq_new(len, arena);
            if (ops == NULL) goto failed;
            for (i = 0; i < len; i++) {
                cmpop_ty val;
                PyObject *tmp2 = PyList_GET_ITEM(tmp, i);
                Py_INCREF(tmp2);
                res = obj2ast_cmpop(tmp2, &val, arena);
                Py_DECREF(tmp2);
                if (res != 0) goto failed;
                if (len != PyList_GET_SIZE(tmp)) {
                    PyErr_SetString(PyExc_RuntimeError, "Compare field \"ops\" changed size during iteration");
                    goto failed;
                }
                asdl_seq_SET(ops, i, val);
            }
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->comparators, &tmp)
            < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"comparators\" missing from Compare");
            return 1;
        }
        else {
            int res;
            Py_ssize_t len;
            Py_ssize_t i;
            if (!PyList_Check(tmp)) {
                PyErr_Format(PyExc_TypeError, "Compare field \"comparators\" must be a list, not a %.200s", _PyType_Name(Py_TYPE(tmp)));
                goto failed;
            }
            len = PyList_GET_SIZE(tmp);
            comparators = _Py_asdl_seq_new(len, arena);
            if (comparators == NULL) goto failed;
            for (i = 0; i < len; i++) {
                expr_ty val;
                PyObject *tmp2 = PyList_GET_ITEM(tmp, i);
                Py_INCREF(tmp2);
                res = obj2ast_expr(tmp2, &val, arena);
                Py_DECREF(tmp2);
                if (res != 0) goto failed;
                if (len != PyList_GET_SIZE(tmp)) {
                    PyErr_SetString(PyExc_RuntimeError, "Compare field \"comparators\" changed size during iteration");
                    goto failed;
                }
                asdl_seq_SET(comparators, i, val);
            }
            Py_CLEAR(tmp);
        }
        *out = Compare(left, ops, comparators, lineno, col_offset, end_lineno,
                       end_col_offset, arena);
        if (*out == NULL) goto failed;
        return 0;
    }
    tp = astmodulestate_global->Call_type;
    isinstance = PyObject_IsInstance(obj, tp);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        expr_ty func;
        asdl_seq* args;
        asdl_seq* keywords;

        if (_PyObject_LookupAttr(obj, astmodulestate_global->func, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"func\" missing from Call");
            return 1;
        }
        else {
            int res;
            res = obj2ast_expr(tmp, &func, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->args, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"args\" missing from Call");
            return 1;
        }
        else {
            int res;
            Py_ssize_t len;
            Py_ssize_t i;
            if (!PyList_Check(tmp)) {
                PyErr_Format(PyExc_TypeError, "Call field \"args\" must be a list, not a %.200s", _PyType_Name(Py_TYPE(tmp)));
                goto failed;
            }
            len = PyList_GET_SIZE(tmp);
            args = _Py_asdl_seq_new(len, arena);
            if (args == NULL) goto failed;
            for (i = 0; i < len; i++) {
                expr_ty val;
                PyObject *tmp2 = PyList_GET_ITEM(tmp, i);
                Py_INCREF(tmp2);
                res = obj2ast_expr(tmp2, &val, arena);
                Py_DECREF(tmp2);
                if (res != 0) goto failed;
                if (len != PyList_GET_SIZE(tmp)) {
                    PyErr_SetString(PyExc_RuntimeError, "Call field \"args\" changed size during iteration");
                    goto failed;
                }
                asdl_seq_SET(args, i, val);
            }
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->keywords, &tmp) <
            0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"keywords\" missing from Call");
            return 1;
        }
        else {
            int res;
            Py_ssize_t len;
            Py_ssize_t i;
            if (!PyList_Check(tmp)) {
                PyErr_Format(PyExc_TypeError, "Call field \"keywords\" must be a list, not a %.200s", _PyType_Name(Py_TYPE(tmp)));
                goto failed;
            }
            len = PyList_GET_SIZE(tmp);
            keywords = _Py_asdl_seq_new(len, arena);
            if (keywords == NULL) goto failed;
            for (i = 0; i < len; i++) {
                keyword_ty val;
                PyObject *tmp2 = PyList_GET_ITEM(tmp, i);
                Py_INCREF(tmp2);
                res = obj2ast_keyword(tmp2, &val, arena);
                Py_DECREF(tmp2);
                if (res != 0) goto failed;
                if (len != PyList_GET_SIZE(tmp)) {
                    PyErr_SetString(PyExc_RuntimeError, "Call field \"keywords\" changed size during iteration");
                    goto failed;
                }
                asdl_seq_SET(keywords, i, val);
            }
            Py_CLEAR(tmp);
        }
        *out = Call(func, args, keywords, lineno, col_offset, end_lineno,
                    end_col_offset, arena);
        if (*out == NULL) goto failed;
        return 0;
    }
    tp = astmodulestate_global->FormattedValue_type;
    isinstance = PyObject_IsInstance(obj, tp);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        expr_ty value;
        int conversion;
        expr_ty format_spec;

        if (_PyObject_LookupAttr(obj, astmodulestate_global->value, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"value\" missing from FormattedValue");
            return 1;
        }
        else {
            int res;
            res = obj2ast_expr(tmp, &value, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->conversion, &tmp)
            < 0) {
            return 1;
        }
        if (tmp == NULL || tmp == Py_None) {
            Py_CLEAR(tmp);
            conversion = 0;
        }
        else {
            int res;
            res = obj2ast_int(tmp, &conversion, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->format_spec, &tmp)
            < 0) {
            return 1;
        }
        if (tmp == NULL || tmp == Py_None) {
            Py_CLEAR(tmp);
            format_spec = NULL;
        }
        else {
            int res;
            res = obj2ast_expr(tmp, &format_spec, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        *out = FormattedValue(value, conversion, format_spec, lineno,
                              col_offset, end_lineno, end_col_offset, arena);
        if (*out == NULL) goto failed;
        return 0;
    }
    tp = astmodulestate_global->JoinedStr_type;
    isinstance = PyObject_IsInstance(obj, tp);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        asdl_seq* values;

        if (_PyObject_LookupAttr(obj, astmodulestate_global->values, &tmp) < 0)
            {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"values\" missing from JoinedStr");
            return 1;
        }
        else {
            int res;
            Py_ssize_t len;
            Py_ssize_t i;
            if (!PyList_Check(tmp)) {
                PyErr_Format(PyExc_TypeError, "JoinedStr field \"values\" must be a list, not a %.200s", _PyType_Name(Py_TYPE(tmp)));
                goto failed;
            }
            len = PyList_GET_SIZE(tmp);
            values = _Py_asdl_seq_new(len, arena);
            if (values == NULL) goto failed;
            for (i = 0; i < len; i++) {
                expr_ty val;
                PyObject *tmp2 = PyList_GET_ITEM(tmp, i);
                Py_INCREF(tmp2);
                res = obj2ast_expr(tmp2, &val, arena);
                Py_DECREF(tmp2);
                if (res != 0) goto failed;
                if (len != PyList_GET_SIZE(tmp)) {
                    PyErr_SetString(PyExc_RuntimeError, "JoinedStr field \"values\" changed size during iteration");
                    goto failed;
                }
                asdl_seq_SET(values, i, val);
            }
            Py_CLEAR(tmp);
        }
        *out = JoinedStr(values, lineno, col_offset, end_lineno,
                         end_col_offset, arena);
        if (*out == NULL) goto failed;
        return 0;
    }
    tp = astmodulestate_global->Constant_type;
    isinstance = PyObject_IsInstance(obj, tp);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        constant value;
        string kind;

        if (_PyObject_LookupAttr(obj, astmodulestate_global->value, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"value\" missing from Constant");
            return 1;
        }
        else {
            int res;
            res = obj2ast_constant(tmp, &value, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->kind, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL || tmp == Py_None) {
            Py_CLEAR(tmp);
            kind = NULL;
        }
        else {
            int res;
            res = obj2ast_string(tmp, &kind, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        *out = Constant(value, kind, lineno, col_offset, end_lineno,
                        end_col_offset, arena);
        if (*out == NULL) goto failed;
        return 0;
    }
    tp = astmodulestate_global->Attribute_type;
    isinstance = PyObject_IsInstance(obj, tp);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        expr_ty value;
        identifier attr;
        expr_context_ty ctx;

        if (_PyObject_LookupAttr(obj, astmodulestate_global->value, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"value\" missing from Attribute");
            return 1;
        }
        else {
            int res;
            res = obj2ast_expr(tmp, &value, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->attr, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"attr\" missing from Attribute");
            return 1;
        }
        else {
            int res;
            res = obj2ast_identifier(tmp, &attr, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->ctx, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"ctx\" missing from Attribute");
            return 1;
        }
        else {
            int res;
            res = obj2ast_expr_context(tmp, &ctx, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        *out = Attribute(value, attr, ctx, lineno, col_offset, end_lineno,
                         end_col_offset, arena);
        if (*out == NULL) goto failed;
        return 0;
    }
    tp = astmodulestate_global->Subscript_type;
    isinstance = PyObject_IsInstance(obj, tp);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        expr_ty value;
        slice_ty slice;
        expr_context_ty ctx;

        if (_PyObject_LookupAttr(obj, astmodulestate_global->value, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"value\" missing from Subscript");
            return 1;
        }
        else {
            int res;
            res = obj2ast_expr(tmp, &value, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->slice, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"slice\" missing from Subscript");
            return 1;
        }
        else {
            int res;
            res = obj2ast_slice(tmp, &slice, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->ctx, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"ctx\" missing from Subscript");
            return 1;
        }
        else {
            int res;
            res = obj2ast_expr_context(tmp, &ctx, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        *out = Subscript(value, slice, ctx, lineno, col_offset, end_lineno,
                         end_col_offset, arena);
        if (*out == NULL) goto failed;
        return 0;
    }
    tp = astmodulestate_global->Starred_type;
    isinstance = PyObject_IsInstance(obj, tp);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        expr_ty value;
        expr_context_ty ctx;

        if (_PyObject_LookupAttr(obj, astmodulestate_global->value, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"value\" missing from Starred");
            return 1;
        }
        else {
            int res;
            res = obj2ast_expr(tmp, &value, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->ctx, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"ctx\" missing from Starred");
            return 1;
        }
        else {
            int res;
            res = obj2ast_expr_context(tmp, &ctx, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        *out = Starred(value, ctx, lineno, col_offset, end_lineno,
                       end_col_offset, arena);
        if (*out == NULL) goto failed;
        return 0;
    }
    tp = astmodulestate_global->Name_type;
    isinstance = PyObject_IsInstance(obj, tp);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        identifier id;
        expr_context_ty ctx;

        if (_PyObject_LookupAttr(obj, astmodulestate_global->id, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"id\" missing from Name");
            return 1;
        }
        else {
            int res;
            res = obj2ast_identifier(tmp, &id, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->ctx, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"ctx\" missing from Name");
            return 1;
        }
        else {
            int res;
            res = obj2ast_expr_context(tmp, &ctx, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        *out = Name(id, ctx, lineno, col_offset, end_lineno, end_col_offset,
                    arena);
        if (*out == NULL) goto failed;
        return 0;
    }
    tp = astmodulestate_global->List_type;
    isinstance = PyObject_IsInstance(obj, tp);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        asdl_seq* elts;
        expr_context_ty ctx;

        if (_PyObject_LookupAttr(obj, astmodulestate_global->elts, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"elts\" missing from List");
            return 1;
        }
        else {
            int res;
            Py_ssize_t len;
            Py_ssize_t i;
            if (!PyList_Check(tmp)) {
                PyErr_Format(PyExc_TypeError, "List field \"elts\" must be a list, not a %.200s", _PyType_Name(Py_TYPE(tmp)));
                goto failed;
            }
            len = PyList_GET_SIZE(tmp);
            elts = _Py_asdl_seq_new(len, arena);
            if (elts == NULL) goto failed;
            for (i = 0; i < len; i++) {
                expr_ty val;
                PyObject *tmp2 = PyList_GET_ITEM(tmp, i);
                Py_INCREF(tmp2);
                res = obj2ast_expr(tmp2, &val, arena);
                Py_DECREF(tmp2);
                if (res != 0) goto failed;
                if (len != PyList_GET_SIZE(tmp)) {
                    PyErr_SetString(PyExc_RuntimeError, "List field \"elts\" changed size during iteration");
                    goto failed;
                }
                asdl_seq_SET(elts, i, val);
            }
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->ctx, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"ctx\" missing from List");
            return 1;
        }
        else {
            int res;
            res = obj2ast_expr_context(tmp, &ctx, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        *out = List(elts, ctx, lineno, col_offset, end_lineno, end_col_offset,
                    arena);
        if (*out == NULL) goto failed;
        return 0;
    }
    tp = astmodulestate_global->Tuple_type;
    isinstance = PyObject_IsInstance(obj, tp);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        asdl_seq* elts;
        expr_context_ty ctx;

        if (_PyObject_LookupAttr(obj, astmodulestate_global->elts, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"elts\" missing from Tuple");
            return 1;
        }
        else {
            int res;
            Py_ssize_t len;
            Py_ssize_t i;
            if (!PyList_Check(tmp)) {
                PyErr_Format(PyExc_TypeError, "Tuple field \"elts\" must be a list, not a %.200s", _PyType_Name(Py_TYPE(tmp)));
                goto failed;
            }
            len = PyList_GET_SIZE(tmp);
            elts = _Py_asdl_seq_new(len, arena);
            if (elts == NULL) goto failed;
            for (i = 0; i < len; i++) {
                expr_ty val;
                PyObject *tmp2 = PyList_GET_ITEM(tmp, i);
                Py_INCREF(tmp2);
                res = obj2ast_expr(tmp2, &val, arena);
                Py_DECREF(tmp2);
                if (res != 0) goto failed;
                if (len != PyList_GET_SIZE(tmp)) {
                    PyErr_SetString(PyExc_RuntimeError, "Tuple field \"elts\" changed size during iteration");
                    goto failed;
                }
                asdl_seq_SET(elts, i, val);
            }
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->ctx, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"ctx\" missing from Tuple");
            return 1;
        }
        else {
            int res;
            res = obj2ast_expr_context(tmp, &ctx, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        *out = Tuple(elts, ctx, lineno, col_offset, end_lineno, end_col_offset,
                     arena);
        if (*out == NULL) goto failed;
        return 0;
    }

    PyErr_Format(PyExc_TypeError, "expected some sort of expr, but got %R", obj);
    failed:
    Py_XDECREF(tmp);
    return 1;
}

int
obj2ast_expr_context(PyObject* obj, expr_context_ty* out, PyArena* arena)
{
    int isinstance;

    isinstance = PyObject_IsInstance(obj, astmodulestate_global->Load_type);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        *out = Load;
        return 0;
    }
    isinstance = PyObject_IsInstance(obj, astmodulestate_global->Store_type);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        *out = Store;
        return 0;
    }
    isinstance = PyObject_IsInstance(obj, astmodulestate_global->Del_type);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        *out = Del;
        return 0;
    }
    isinstance = PyObject_IsInstance(obj, astmodulestate_global->AugLoad_type);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        *out = AugLoad;
        return 0;
    }
    isinstance = PyObject_IsInstance(obj, astmodulestate_global->AugStore_type);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        *out = AugStore;
        return 0;
    }
    isinstance = PyObject_IsInstance(obj, astmodulestate_global->Param_type);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        *out = Param;
        return 0;
    }

    PyErr_Format(PyExc_TypeError, "expected some sort of expr_context, but got %R", obj);
    return 1;
}

int
obj2ast_slice(PyObject* obj, slice_ty* out, PyArena* arena)
{
    int isinstance;

    PyObject *tmp = NULL;
    PyObject *tp;

    if (obj == Py_None) {
        *out = NULL;
        return 0;
    }
    tp = astmodulestate_global->Slice_type;
    isinstance = PyObject_IsInstance(obj, tp);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        expr_ty lower;
        expr_ty upper;
        expr_ty step;

        if (_PyObject_LookupAttr(obj, astmodulestate_global->lower, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL || tmp == Py_None) {
            Py_CLEAR(tmp);
            lower = NULL;
        }
        else {
            int res;
            res = obj2ast_expr(tmp, &lower, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->upper, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL || tmp == Py_None) {
            Py_CLEAR(tmp);
            upper = NULL;
        }
        else {
            int res;
            res = obj2ast_expr(tmp, &upper, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->step, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL || tmp == Py_None) {
            Py_CLEAR(tmp);
            step = NULL;
        }
        else {
            int res;
            res = obj2ast_expr(tmp, &step, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        *out = Slice(lower, upper, step, arena);
        if (*out == NULL) goto failed;
        return 0;
    }
    tp = astmodulestate_global->ExtSlice_type;
    isinstance = PyObject_IsInstance(obj, tp);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        asdl_seq* dims;

        if (_PyObject_LookupAttr(obj, astmodulestate_global->dims, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"dims\" missing from ExtSlice");
            return 1;
        }
        else {
            int res;
            Py_ssize_t len;
            Py_ssize_t i;
            if (!PyList_Check(tmp)) {
                PyErr_Format(PyExc_TypeError, "ExtSlice field \"dims\" must be a list, not a %.200s", _PyType_Name(Py_TYPE(tmp)));
                goto failed;
            }
            len = PyList_GET_SIZE(tmp);
            dims = _Py_asdl_seq_new(len, arena);
            if (dims == NULL) goto failed;
            for (i = 0; i < len; i++) {
                slice_ty val;
                PyObject *tmp2 = PyList_GET_ITEM(tmp, i);
                Py_INCREF(tmp2);
                res = obj2ast_slice(tmp2, &val, arena);
                Py_DECREF(tmp2);
                if (res != 0) goto failed;
                if (len != PyList_GET_SIZE(tmp)) {
                    PyErr_SetString(PyExc_RuntimeError, "ExtSlice field \"dims\" changed size during iteration");
                    goto failed;
                }
                asdl_seq_SET(dims, i, val);
            }
            Py_CLEAR(tmp);
        }
        *out = ExtSlice(dims, arena);
        if (*out == NULL) goto failed;
        return 0;
    }
    tp = astmodulestate_global->Index_type;
    isinstance = PyObject_IsInstance(obj, tp);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        expr_ty value;

        if (_PyObject_LookupAttr(obj, astmodulestate_global->value, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"value\" missing from Index");
            return 1;
        }
        else {
            int res;
            res = obj2ast_expr(tmp, &value, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        *out = Index(value, arena);
        if (*out == NULL) goto failed;
        return 0;
    }

    PyErr_Format(PyExc_TypeError, "expected some sort of slice, but got %R", obj);
    failed:
    Py_XDECREF(tmp);
    return 1;
}

int
obj2ast_boolop(PyObject* obj, boolop_ty* out, PyArena* arena)
{
    int isinstance;

    isinstance = PyObject_IsInstance(obj, astmodulestate_global->And_type);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        *out = And;
        return 0;
    }
    isinstance = PyObject_IsInstance(obj, astmodulestate_global->Or_type);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        *out = Or;
        return 0;
    }

    PyErr_Format(PyExc_TypeError, "expected some sort of boolop, but got %R", obj);
    return 1;
}

int
obj2ast_operator(PyObject* obj, operator_ty* out, PyArena* arena)
{
    int isinstance;

    isinstance = PyObject_IsInstance(obj, astmodulestate_global->Add_type);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        *out = Add;
        return 0;
    }
    isinstance = PyObject_IsInstance(obj, astmodulestate_global->Sub_type);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        *out = Sub;
        return 0;
    }
    isinstance = PyObject_IsInstance(obj, astmodulestate_global->Mult_type);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        *out = Mult;
        return 0;
    }
    isinstance = PyObject_IsInstance(obj, astmodulestate_global->MatMult_type);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        *out = MatMult;
        return 0;
    }
    isinstance = PyObject_IsInstance(obj, astmodulestate_global->Div_type);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        *out = Div;
        return 0;
    }
    isinstance = PyObject_IsInstance(obj, astmodulestate_global->Mod_type);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        *out = Mod;
        return 0;
    }
    isinstance = PyObject_IsInstance(obj, astmodulestate_global->Pow_type);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        *out = Pow;
        return 0;
    }
    isinstance = PyObject_IsInstance(obj, astmodulestate_global->LShift_type);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        *out = LShift;
        return 0;
    }
    isinstance = PyObject_IsInstance(obj, astmodulestate_global->RShift_type);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        *out = RShift;
        return 0;
    }
    isinstance = PyObject_IsInstance(obj, astmodulestate_global->BitOr_type);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        *out = BitOr;
        return 0;
    }
    isinstance = PyObject_IsInstance(obj, astmodulestate_global->BitXor_type);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        *out = BitXor;
        return 0;
    }
    isinstance = PyObject_IsInstance(obj, astmodulestate_global->BitAnd_type);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        *out = BitAnd;
        return 0;
    }
    isinstance = PyObject_IsInstance(obj, astmodulestate_global->FloorDiv_type);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        *out = FloorDiv;
        return 0;
    }

    PyErr_Format(PyExc_TypeError, "expected some sort of operator, but got %R", obj);
    return 1;
}

int
obj2ast_unaryop(PyObject* obj, unaryop_ty* out, PyArena* arena)
{
    int isinstance;

    isinstance = PyObject_IsInstance(obj, astmodulestate_global->Invert_type);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        *out = Invert;
        return 0;
    }
    isinstance = PyObject_IsInstance(obj, astmodulestate_global->Not_type);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        *out = Not;
        return 0;
    }
    isinstance = PyObject_IsInstance(obj, astmodulestate_global->UAdd_type);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        *out = UAdd;
        return 0;
    }
    isinstance = PyObject_IsInstance(obj, astmodulestate_global->USub_type);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        *out = USub;
        return 0;
    }

    PyErr_Format(PyExc_TypeError, "expected some sort of unaryop, but got %R", obj);
    return 1;
}

int
obj2ast_cmpop(PyObject* obj, cmpop_ty* out, PyArena* arena)
{
    int isinstance;

    isinstance = PyObject_IsInstance(obj, astmodulestate_global->Eq_type);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        *out = Eq;
        return 0;
    }
    isinstance = PyObject_IsInstance(obj, astmodulestate_global->NotEq_type);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        *out = NotEq;
        return 0;
    }
    isinstance = PyObject_IsInstance(obj, astmodulestate_global->Lt_type);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        *out = Lt;
        return 0;
    }
    isinstance = PyObject_IsInstance(obj, astmodulestate_global->LtE_type);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        *out = LtE;
        return 0;
    }
    isinstance = PyObject_IsInstance(obj, astmodulestate_global->Gt_type);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        *out = Gt;
        return 0;
    }
    isinstance = PyObject_IsInstance(obj, astmodulestate_global->GtE_type);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        *out = GtE;
        return 0;
    }
    isinstance = PyObject_IsInstance(obj, astmodulestate_global->Is_type);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        *out = Is;
        return 0;
    }
    isinstance = PyObject_IsInstance(obj, astmodulestate_global->IsNot_type);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        *out = IsNot;
        return 0;
    }
    isinstance = PyObject_IsInstance(obj, astmodulestate_global->In_type);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        *out = In;
        return 0;
    }
    isinstance = PyObject_IsInstance(obj, astmodulestate_global->NotIn_type);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        *out = NotIn;
        return 0;
    }

    PyErr_Format(PyExc_TypeError, "expected some sort of cmpop, but got %R", obj);
    return 1;
}

int
obj2ast_comprehension(PyObject* obj, comprehension_ty* out, PyArena* arena)
{
    PyObject* tmp = NULL;
    expr_ty target;
    expr_ty iter;
    asdl_seq* ifs;
    int is_async;

    if (_PyObject_LookupAttr(obj, astmodulestate_global->target, &tmp) < 0) {
        return 1;
    }
    if (tmp == NULL) {
        PyErr_SetString(PyExc_TypeError, "required field \"target\" missing from comprehension");
        return 1;
    }
    else {
        int res;
        res = obj2ast_expr(tmp, &target, arena);
        if (res != 0) goto failed;
        Py_CLEAR(tmp);
    }
    if (_PyObject_LookupAttr(obj, astmodulestate_global->iter, &tmp) < 0) {
        return 1;
    }
    if (tmp == NULL) {
        PyErr_SetString(PyExc_TypeError, "required field \"iter\" missing from comprehension");
        return 1;
    }
    else {
        int res;
        res = obj2ast_expr(tmp, &iter, arena);
        if (res != 0) goto failed;
        Py_CLEAR(tmp);
    }
    if (_PyObject_LookupAttr(obj, astmodulestate_global->ifs, &tmp) < 0) {
        return 1;
    }
    if (tmp == NULL) {
        PyErr_SetString(PyExc_TypeError, "required field \"ifs\" missing from comprehension");
        return 1;
    }
    else {
        int res;
        Py_ssize_t len;
        Py_ssize_t i;
        if (!PyList_Check(tmp)) {
            PyErr_Format(PyExc_TypeError, "comprehension field \"ifs\" must be a list, not a %.200s", _PyType_Name(Py_TYPE(tmp)));
            goto failed;
        }
        len = PyList_GET_SIZE(tmp);
        ifs = _Py_asdl_seq_new(len, arena);
        if (ifs == NULL) goto failed;
        for (i = 0; i < len; i++) {
            expr_ty val;
            PyObject *tmp2 = PyList_GET_ITEM(tmp, i);
            Py_INCREF(tmp2);
            res = obj2ast_expr(tmp2, &val, arena);
            Py_DECREF(tmp2);
            if (res != 0) goto failed;
            if (len != PyList_GET_SIZE(tmp)) {
                PyErr_SetString(PyExc_RuntimeError, "comprehension field \"ifs\" changed size during iteration");
                goto failed;
            }
            asdl_seq_SET(ifs, i, val);
        }
        Py_CLEAR(tmp);
    }
    if (_PyObject_LookupAttr(obj, astmodulestate_global->is_async, &tmp) < 0) {
        return 1;
    }
    if (tmp == NULL) {
        PyErr_SetString(PyExc_TypeError, "required field \"is_async\" missing from comprehension");
        return 1;
    }
    else {
        int res;
        res = obj2ast_int(tmp, &is_async, arena);
        if (res != 0) goto failed;
        Py_CLEAR(tmp);
    }
    *out = comprehension(target, iter, ifs, is_async, arena);
    return 0;
failed:
    Py_XDECREF(tmp);
    return 1;
}

int
obj2ast_excepthandler(PyObject* obj, excepthandler_ty* out, PyArena* arena)
{
    int isinstance;

    PyObject *tmp = NULL;
    PyObject *tp;
    int lineno;
    int col_offset;
    int end_lineno;
    int end_col_offset;

    if (obj == Py_None) {
        *out = NULL;
        return 0;
    }
    if (_PyObject_LookupAttr(obj, astmodulestate_global->lineno, &tmp) < 0) {
        return 1;
    }
    if (tmp == NULL) {
        PyErr_SetString(PyExc_TypeError, "required field \"lineno\" missing from excepthandler");
        return 1;
    }
    else {
        int res;
        res = obj2ast_int(tmp, &lineno, arena);
        if (res != 0) goto failed;
        Py_CLEAR(tmp);
    }
    if (_PyObject_LookupAttr(obj, astmodulestate_global->col_offset, &tmp) < 0)
        {
        return 1;
    }
    if (tmp == NULL) {
        PyErr_SetString(PyExc_TypeError, "required field \"col_offset\" missing from excepthandler");
        return 1;
    }
    else {
        int res;
        res = obj2ast_int(tmp, &col_offset, arena);
        if (res != 0) goto failed;
        Py_CLEAR(tmp);
    }
    if (_PyObject_LookupAttr(obj, astmodulestate_global->end_lineno, &tmp) < 0)
        {
        return 1;
    }
    if (tmp == NULL || tmp == Py_None) {
        Py_CLEAR(tmp);
        end_lineno = 0;
    }
    else {
        int res;
        res = obj2ast_int(tmp, &end_lineno, arena);
        if (res != 0) goto failed;
        Py_CLEAR(tmp);
    }
    if (_PyObject_LookupAttr(obj, astmodulestate_global->end_col_offset, &tmp)
        < 0) {
        return 1;
    }
    if (tmp == NULL || tmp == Py_None) {
        Py_CLEAR(tmp);
        end_col_offset = 0;
    }
    else {
        int res;
        res = obj2ast_int(tmp, &end_col_offset, arena);
        if (res != 0) goto failed;
        Py_CLEAR(tmp);
    }
    tp = astmodulestate_global->ExceptHandler_type;
    isinstance = PyObject_IsInstance(obj, tp);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        expr_ty type;
        identifier name;
        asdl_seq* body;

        if (_PyObject_LookupAttr(obj, astmodulestate_global->type, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL || tmp == Py_None) {
            Py_CLEAR(tmp);
            type = NULL;
        }
        else {
            int res;
            res = obj2ast_expr(tmp, &type, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->name, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL || tmp == Py_None) {
            Py_CLEAR(tmp);
            name = NULL;
        }
        else {
            int res;
            res = obj2ast_identifier(tmp, &name, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->body, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"body\" missing from ExceptHandler");
            return 1;
        }
        else {
            int res;
            Py_ssize_t len;
            Py_ssize_t i;
            if (!PyList_Check(tmp)) {
                PyErr_Format(PyExc_TypeError, "ExceptHandler field \"body\" must be a list, not a %.200s", _PyType_Name(Py_TYPE(tmp)));
                goto failed;
            }
            len = PyList_GET_SIZE(tmp);
            body = _Py_asdl_seq_new(len, arena);
            if (body == NULL) goto failed;
            for (i = 0; i < len; i++) {
                stmt_ty val;
                PyObject *tmp2 = PyList_GET_ITEM(tmp, i);
                Py_INCREF(tmp2);
                res = obj2ast_stmt(tmp2, &val, arena);
                Py_DECREF(tmp2);
                if (res != 0) goto failed;
                if (len != PyList_GET_SIZE(tmp)) {
                    PyErr_SetString(PyExc_RuntimeError, "ExceptHandler field \"body\" changed size during iteration");
                    goto failed;
                }
                asdl_seq_SET(body, i, val);
            }
            Py_CLEAR(tmp);
        }
        *out = ExceptHandler(type, name, body, lineno, col_offset, end_lineno,
                             end_col_offset, arena);
        if (*out == NULL) goto failed;
        return 0;
    }

    PyErr_Format(PyExc_TypeError, "expected some sort of excepthandler, but got %R", obj);
    failed:
    Py_XDECREF(tmp);
    return 1;
}

int
obj2ast_arguments(PyObject* obj, arguments_ty* out, PyArena* arena)
{
    PyObject* tmp = NULL;
    asdl_seq* posonlyargs;
    asdl_seq* args;
    arg_ty vararg;
    asdl_seq* kwonlyargs;
    asdl_seq* kw_defaults;
    arg_ty kwarg;
    asdl_seq* defaults;

    if (_PyObject_LookupAttr(obj, astmodulestate_global->posonlyargs, &tmp) <
        0) {
        return 1;
    }
    if (tmp == NULL) {
        PyErr_SetString(PyExc_TypeError, "required field \"posonlyargs\" missing from arguments");
        return 1;
    }
    else {
        int res;
        Py_ssize_t len;
        Py_ssize_t i;
        if (!PyList_Check(tmp)) {
            PyErr_Format(PyExc_TypeError, "arguments field \"posonlyargs\" must be a list, not a %.200s", _PyType_Name(Py_TYPE(tmp)));
            goto failed;
        }
        len = PyList_GET_SIZE(tmp);
        posonlyargs = _Py_asdl_seq_new(len, arena);
        if (posonlyargs == NULL) goto failed;
        for (i = 0; i < len; i++) {
            arg_ty val;
            PyObject *tmp2 = PyList_GET_ITEM(tmp, i);
            Py_INCREF(tmp2);
            res = obj2ast_arg(tmp2, &val, arena);
            Py_DECREF(tmp2);
            if (res != 0) goto failed;
            if (len != PyList_GET_SIZE(tmp)) {
                PyErr_SetString(PyExc_RuntimeError, "arguments field \"posonlyargs\" changed size during iteration");
                goto failed;
            }
            asdl_seq_SET(posonlyargs, i, val);
        }
        Py_CLEAR(tmp);
    }
    if (_PyObject_LookupAttr(obj, astmodulestate_global->args, &tmp) < 0) {
        return 1;
    }
    if (tmp == NULL) {
        PyErr_SetString(PyExc_TypeError, "required field \"args\" missing from arguments");
        return 1;
    }
    else {
        int res;
        Py_ssize_t len;
        Py_ssize_t i;
        if (!PyList_Check(tmp)) {
            PyErr_Format(PyExc_TypeError, "arguments field \"args\" must be a list, not a %.200s", _PyType_Name(Py_TYPE(tmp)));
            goto failed;
        }
        len = PyList_GET_SIZE(tmp);
        args = _Py_asdl_seq_new(len, arena);
        if (args == NULL) goto failed;
        for (i = 0; i < len; i++) {
            arg_ty val;
            PyObject *tmp2 = PyList_GET_ITEM(tmp, i);
            Py_INCREF(tmp2);
            res = obj2ast_arg(tmp2, &val, arena);
            Py_DECREF(tmp2);
            if (res != 0) goto failed;
            if (len != PyList_GET_SIZE(tmp)) {
                PyErr_SetString(PyExc_RuntimeError, "arguments field \"args\" changed size during iteration");
                goto failed;
            }
            asdl_seq_SET(args, i, val);
        }
        Py_CLEAR(tmp);
    }
    if (_PyObject_LookupAttr(obj, astmodulestate_global->vararg, &tmp) < 0) {
        return 1;
    }
    if (tmp == NULL || tmp == Py_None) {
        Py_CLEAR(tmp);
        vararg = NULL;
    }
    else {
        int res;
        res = obj2ast_arg(tmp, &vararg, arena);
        if (res != 0) goto failed;
        Py_CLEAR(tmp);
    }
    if (_PyObject_LookupAttr(obj, astmodulestate_global->kwonlyargs, &tmp) < 0)
        {
        return 1;
    }
    if (tmp == NULL) {
        PyErr_SetString(PyExc_TypeError, "required field \"kwonlyargs\" missing from arguments");
        return 1;
    }
    else {
        int res;
        Py_ssize_t len;
        Py_ssize_t i;
        if (!PyList_Check(tmp)) {
            PyErr_Format(PyExc_TypeError, "arguments field \"kwonlyargs\" must be a list, not a %.200s", _PyType_Name(Py_TYPE(tmp)));
            goto failed;
        }
        len = PyList_GET_SIZE(tmp);
        kwonlyargs = _Py_asdl_seq_new(len, arena);
        if (kwonlyargs == NULL) goto failed;
        for (i = 0; i < len; i++) {
            arg_ty val;
            PyObject *tmp2 = PyList_GET_ITEM(tmp, i);
            Py_INCREF(tmp2);
            res = obj2ast_arg(tmp2, &val, arena);
            Py_DECREF(tmp2);
            if (res != 0) goto failed;
            if (len != PyList_GET_SIZE(tmp)) {
                PyErr_SetString(PyExc_RuntimeError, "arguments field \"kwonlyargs\" changed size during iteration");
                goto failed;
            }
            asdl_seq_SET(kwonlyargs, i, val);
        }
        Py_CLEAR(tmp);
    }
    if (_PyObject_LookupAttr(obj, astmodulestate_global->kw_defaults, &tmp) <
        0) {
        return 1;
    }
    if (tmp == NULL) {
        PyErr_SetString(PyExc_TypeError, "required field \"kw_defaults\" missing from arguments");
        return 1;
    }
    else {
        int res;
        Py_ssize_t len;
        Py_ssize_t i;
        if (!PyList_Check(tmp)) {
            PyErr_Format(PyExc_TypeError, "arguments field \"kw_defaults\" must be a list, not a %.200s", _PyType_Name(Py_TYPE(tmp)));
            goto failed;
        }
        len = PyList_GET_SIZE(tmp);
        kw_defaults = _Py_asdl_seq_new(len, arena);
        if (kw_defaults == NULL) goto failed;
        for (i = 0; i < len; i++) {
            expr_ty val;
            PyObject *tmp2 = PyList_GET_ITEM(tmp, i);
            Py_INCREF(tmp2);
            res = obj2ast_expr(tmp2, &val, arena);
            Py_DECREF(tmp2);
            if (res != 0) goto failed;
            if (len != PyList_GET_SIZE(tmp)) {
                PyErr_SetString(PyExc_RuntimeError, "arguments field \"kw_defaults\" changed size during iteration");
                goto failed;
            }
            asdl_seq_SET(kw_defaults, i, val);
        }
        Py_CLEAR(tmp);
    }
    if (_PyObject_LookupAttr(obj, astmodulestate_global->kwarg, &tmp) < 0) {
        return 1;
    }
    if (tmp == NULL || tmp == Py_None) {
        Py_CLEAR(tmp);
        kwarg = NULL;
    }
    else {
        int res;
        res = obj2ast_arg(tmp, &kwarg, arena);
        if (res != 0) goto failed;
        Py_CLEAR(tmp);
    }
    if (_PyObject_LookupAttr(obj, astmodulestate_global->defaults, &tmp) < 0) {
        return 1;
    }
    if (tmp == NULL) {
        PyErr_SetString(PyExc_TypeError, "required field \"defaults\" missing from arguments");
        return 1;
    }
    else {
        int res;
        Py_ssize_t len;
        Py_ssize_t i;
        if (!PyList_Check(tmp)) {
            PyErr_Format(PyExc_TypeError, "arguments field \"defaults\" must be a list, not a %.200s", _PyType_Name(Py_TYPE(tmp)));
            goto failed;
        }
        len = PyList_GET_SIZE(tmp);
        defaults = _Py_asdl_seq_new(len, arena);
        if (defaults == NULL) goto failed;
        for (i = 0; i < len; i++) {
            expr_ty val;
            PyObject *tmp2 = PyList_GET_ITEM(tmp, i);
            Py_INCREF(tmp2);
            res = obj2ast_expr(tmp2, &val, arena);
            Py_DECREF(tmp2);
            if (res != 0) goto failed;
            if (len != PyList_GET_SIZE(tmp)) {
                PyErr_SetString(PyExc_RuntimeError, "arguments field \"defaults\" changed size during iteration");
                goto failed;
            }
            asdl_seq_SET(defaults, i, val);
        }
        Py_CLEAR(tmp);
    }
    *out = arguments(posonlyargs, args, vararg, kwonlyargs, kw_defaults, kwarg,
                     defaults, arena);
    return 0;
failed:
    Py_XDECREF(tmp);
    return 1;
}

int
obj2ast_arg(PyObject* obj, arg_ty* out, PyArena* arena)
{
    PyObject* tmp = NULL;
    identifier arg;
    expr_ty annotation;
    string type_comment;
    int lineno;
    int col_offset;
    int end_lineno;
    int end_col_offset;

    if (_PyObject_LookupAttr(obj, astmodulestate_global->arg, &tmp) < 0) {
        return 1;
    }
    if (tmp == NULL) {
        PyErr_SetString(PyExc_TypeError, "required field \"arg\" missing from arg");
        return 1;
    }
    else {
        int res;
        res = obj2ast_identifier(tmp, &arg, arena);
        if (res != 0) goto failed;
        Py_CLEAR(tmp);
    }
    if (_PyObject_LookupAttr(obj, astmodulestate_global->annotation, &tmp) < 0)
        {
        return 1;
    }
    if (tmp == NULL || tmp == Py_None) {
        Py_CLEAR(tmp);
        annotation = NULL;
    }
    else {
        int res;
        res = obj2ast_expr(tmp, &annotation, arena);
        if (res != 0) goto failed;
        Py_CLEAR(tmp);
    }
    if (_PyObject_LookupAttr(obj, astmodulestate_global->type_comment, &tmp) <
        0) {
        return 1;
    }
    if (tmp == NULL || tmp == Py_None) {
        Py_CLEAR(tmp);
        type_comment = NULL;
    }
    else {
        int res;
        res = obj2ast_string(tmp, &type_comment, arena);
        if (res != 0) goto failed;
        Py_CLEAR(tmp);
    }
    if (_PyObject_LookupAttr(obj, astmodulestate_global->lineno, &tmp) < 0) {
        return 1;
    }
    if (tmp == NULL) {
        PyErr_SetString(PyExc_TypeError, "required field \"lineno\" missing from arg");
        return 1;
    }
    else {
        int res;
        res = obj2ast_int(tmp, &lineno, arena);
        if (res != 0) goto failed;
        Py_CLEAR(tmp);
    }
    if (_PyObject_LookupAttr(obj, astmodulestate_global->col_offset, &tmp) < 0)
        {
        return 1;
    }
    if (tmp == NULL) {
        PyErr_SetString(PyExc_TypeError, "required field \"col_offset\" missing from arg");
        return 1;
    }
    else {
        int res;
        res = obj2ast_int(tmp, &col_offset, arena);
        if (res != 0) goto failed;
        Py_CLEAR(tmp);
    }
    if (_PyObject_LookupAttr(obj, astmodulestate_global->end_lineno, &tmp) < 0)
        {
        return 1;
    }
    if (tmp == NULL || tmp == Py_None) {
        Py_CLEAR(tmp);
        end_lineno = 0;
    }
    else {
        int res;
        res = obj2ast_int(tmp, &end_lineno, arena);
        if (res != 0) goto failed;
        Py_CLEAR(tmp);
    }
    if (_PyObject_LookupAttr(obj, astmodulestate_global->end_col_offset, &tmp)
        < 0) {
        return 1;
    }
    if (tmp == NULL || tmp == Py_None) {
        Py_CLEAR(tmp);
        end_col_offset = 0;
    }
    else {
        int res;
        res = obj2ast_int(tmp, &end_col_offset, arena);
        if (res != 0) goto failed;
        Py_CLEAR(tmp);
    }
    *out = arg(arg, annotation, type_comment, lineno, col_offset, end_lineno,
               end_col_offset, arena);
    return 0;
failed:
    Py_XDECREF(tmp);
    return 1;
}

int
obj2ast_keyword(PyObject* obj, keyword_ty* out, PyArena* arena)
{
    PyObject* tmp = NULL;
    identifier arg;
    expr_ty value;

    if (_PyObject_LookupAttr(obj, astmodulestate_global->arg, &tmp) < 0) {
        return 1;
    }
    if (tmp == NULL || tmp == Py_None) {
        Py_CLEAR(tmp);
        arg = NULL;
    }
    else {
        int res;
        res = obj2ast_identifier(tmp, &arg, arena);
        if (res != 0) goto failed;
        Py_CLEAR(tmp);
    }
    if (_PyObject_LookupAttr(obj, astmodulestate_global->value, &tmp) < 0) {
        return 1;
    }
    if (tmp == NULL) {
        PyErr_SetString(PyExc_TypeError, "required field \"value\" missing from keyword");
        return 1;
    }
    else {
        int res;
        res = obj2ast_expr(tmp, &value, arena);
        if (res != 0) goto failed;
        Py_CLEAR(tmp);
    }
    *out = keyword(arg, value, arena);
    return 0;
failed:
    Py_XDECREF(tmp);
    return 1;
}

int
obj2ast_alias(PyObject* obj, alias_ty* out, PyArena* arena)
{
    PyObject* tmp = NULL;
    identifier name;
    identifier asname;

    if (_PyObject_LookupAttr(obj, astmodulestate_global->name, &tmp) < 0) {
        return 1;
    }
    if (tmp == NULL) {
        PyErr_SetString(PyExc_TypeError, "required field \"name\" missing from alias");
        return 1;
    }
    else {
        int res;
        res = obj2ast_identifier(tmp, &name, arena);
        if (res != 0) goto failed;
        Py_CLEAR(tmp);
    }
    if (_PyObject_LookupAttr(obj, astmodulestate_global->asname, &tmp) < 0) {
        return 1;
    }
    if (tmp == NULL || tmp == Py_None) {
        Py_CLEAR(tmp);
        asname = NULL;
    }
    else {
        int res;
        res = obj2ast_identifier(tmp, &asname, arena);
        if (res != 0) goto failed;
        Py_CLEAR(tmp);
    }
    *out = alias(name, asname, arena);
    return 0;
failed:
    Py_XDECREF(tmp);
    return 1;
}

int
obj2ast_withitem(PyObject* obj, withitem_ty* out, PyArena* arena)
{
    PyObject* tmp = NULL;
    expr_ty context_expr;
    expr_ty optional_vars;

    if (_PyObject_LookupAttr(obj, astmodulestate_global->context_expr, &tmp) <
        0) {
        return 1;
    }
    if (tmp == NULL) {
        PyErr_SetString(PyExc_TypeError, "required field \"context_expr\" missing from withitem");
        return 1;
    }
    else {
        int res;
        res = obj2ast_expr(tmp, &context_expr, arena);
        if (res != 0) goto failed;
        Py_CLEAR(tmp);
    }
    if (_PyObject_LookupAttr(obj, astmodulestate_global->optional_vars, &tmp) <
        0) {
        return 1;
    }
    if (tmp == NULL || tmp == Py_None) {
        Py_CLEAR(tmp);
        optional_vars = NULL;
    }
    else {
        int res;
        res = obj2ast_expr(tmp, &optional_vars, arena);
        if (res != 0) goto failed;
        Py_CLEAR(tmp);
    }
    *out = withitem(context_expr, optional_vars, arena);
    return 0;
failed:
    Py_XDECREF(tmp);
    return 1;
}

int
obj2ast_type_ignore(PyObject* obj, type_ignore_ty* out, PyArena* arena)
{
    int isinstance;

    PyObject *tmp = NULL;
    PyObject *tp;

    if (obj == Py_None) {
        *out = NULL;
        return 0;
    }
    tp = astmodulestate_global->TypeIgnore_type;
    isinstance = PyObject_IsInstance(obj, tp);
    if (isinstance == -1) {
        return 1;
    }
    if (isinstance) {
        int lineno;
        string tag;

        if (_PyObject_LookupAttr(obj, astmodulestate_global->lineno, &tmp) < 0)
            {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"lineno\" missing from TypeIgnore");
            return 1;
        }
        else {
            int res;
            res = obj2ast_int(tmp, &lineno, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        if (_PyObject_LookupAttr(obj, astmodulestate_global->tag, &tmp) < 0) {
            return 1;
        }
        if (tmp == NULL) {
            PyErr_SetString(PyExc_TypeError, "required field \"tag\" missing from TypeIgnore");
            return 1;
        }
        else {
            int res;
            res = obj2ast_string(tmp, &tag, arena);
            if (res != 0) goto failed;
            Py_CLEAR(tmp);
        }
        *out = TypeIgnore(lineno, tag, arena);
        if (*out == NULL) goto failed;
        return 0;
    }

    PyErr_Format(PyExc_TypeError, "expected some sort of type_ignore, but got %R", obj);
    failed:
    Py_XDECREF(tmp);
    return 1;
}


PyMODINIT_FUNC
PyInit__ast(void)
{
    PyObject *m;
    if (!init_types()) return NULL;
    m = PyState_FindModule(&_astmodule);
    if (!m) return NULL;
    Py_INCREF(astmodulestate(m)->AST_type);
    if (PyModule_AddObject(m, "AST", astmodulestate_global->AST_type) < 0)
        return NULL;
    if (PyModule_AddIntMacro(m, PyCF_ALLOW_TOP_LEVEL_AWAIT) < 0)
        return NULL;
    if (PyModule_AddIntMacro(m, PyCF_ONLY_AST) < 0)
        return NULL;
    if (PyModule_AddIntMacro(m, PyCF_TYPE_COMMENTS) < 0)
        return NULL;
    if (PyModule_AddObject(m, "mod", astmodulestate_global->mod_type) < 0)
        return NULL;
    Py_INCREF(astmodulestate(m)->mod_type);
    if (PyModule_AddObject(m, "Module", astmodulestate_global->Module_type) <
        0) return NULL;
    Py_INCREF(astmodulestate(m)->Module_type);
    if (PyModule_AddObject(m, "Interactive",
        astmodulestate_global->Interactive_type) < 0) return NULL;
    Py_INCREF(astmodulestate(m)->Interactive_type);
    if (PyModule_AddObject(m, "Expression",
        astmodulestate_global->Expression_type) < 0) return NULL;
    Py_INCREF(astmodulestate(m)->Expression_type);
    if (PyModule_AddObject(m, "FunctionType",
        astmodulestate_global->FunctionType_type) < 0) return NULL;
    Py_INCREF(astmodulestate(m)->FunctionType_type);
    if (PyModule_AddObject(m, "Suite", astmodulestate_global->Suite_type) < 0)
        return NULL;
    Py_INCREF(astmodulestate(m)->Suite_type);
    if (PyModule_AddObject(m, "stmt", astmodulestate_global->stmt_type) < 0)
        return NULL;
    Py_INCREF(astmodulestate(m)->stmt_type);
    if (PyModule_AddObject(m, "FunctionDef",
        astmodulestate_global->FunctionDef_type) < 0) return NULL;
    Py_INCREF(astmodulestate(m)->FunctionDef_type);
    if (PyModule_AddObject(m, "AsyncFunctionDef",
        astmodulestate_global->AsyncFunctionDef_type) < 0) return NULL;
    Py_INCREF(astmodulestate(m)->AsyncFunctionDef_type);
    if (PyModule_AddObject(m, "ClassDef", astmodulestate_global->ClassDef_type)
        < 0) return NULL;
    Py_INCREF(astmodulestate(m)->ClassDef_type);
    if (PyModule_AddObject(m, "Return", astmodulestate_global->Return_type) <
        0) return NULL;
    Py_INCREF(astmodulestate(m)->Return_type);
    if (PyModule_AddObject(m, "Delete", astmodulestate_global->Delete_type) <
        0) return NULL;
    Py_INCREF(astmodulestate(m)->Delete_type);
    if (PyModule_AddObject(m, "Assign", astmodulestate_global->Assign_type) <
        0) return NULL;
    Py_INCREF(astmodulestate(m)->Assign_type);
    if (PyModule_AddObject(m, "AugAssign",
        astmodulestate_global->AugAssign_type) < 0) return NULL;
    Py_INCREF(astmodulestate(m)->AugAssign_type);
    if (PyModule_AddObject(m, "AnnAssign",
        astmodulestate_global->AnnAssign_type) < 0) return NULL;
    Py_INCREF(astmodulestate(m)->AnnAssign_type);
    if (PyModule_AddObject(m, "For", astmodulestate_global->For_type) < 0)
        return NULL;
    Py_INCREF(astmodulestate(m)->For_type);
    if (PyModule_AddObject(m, "AsyncFor", astmodulestate_global->AsyncFor_type)
        < 0) return NULL;
    Py_INCREF(astmodulestate(m)->AsyncFor_type);
    if (PyModule_AddObject(m, "While", astmodulestate_global->While_type) < 0)
        return NULL;
    Py_INCREF(astmodulestate(m)->While_type);
    if (PyModule_AddObject(m, "If", astmodulestate_global->If_type) < 0) return
        NULL;
    Py_INCREF(astmodulestate(m)->If_type);
    if (PyModule_AddObject(m, "With", astmodulestate_global->With_type) < 0)
        return NULL;
    Py_INCREF(astmodulestate(m)->With_type);
    if (PyModule_AddObject(m, "AsyncWith",
        astmodulestate_global->AsyncWith_type) < 0) return NULL;
    Py_INCREF(astmodulestate(m)->AsyncWith_type);
    if (PyModule_AddObject(m, "Raise", astmodulestate_global->Raise_type) < 0)
        return NULL;
    Py_INCREF(astmodulestate(m)->Raise_type);
    if (PyModule_AddObject(m, "Try", astmodulestate_global->Try_type) < 0)
        return NULL;
    Py_INCREF(astmodulestate(m)->Try_type);
    if (PyModule_AddObject(m, "Assert", astmodulestate_global->Assert_type) <
        0) return NULL;
    Py_INCREF(astmodulestate(m)->Assert_type);
    if (PyModule_AddObject(m, "Import", astmodulestate_global->Import_type) <
        0) return NULL;
    Py_INCREF(astmodulestate(m)->Import_type);
    if (PyModule_AddObject(m, "ImportFrom",
        astmodulestate_global->ImportFrom_type) < 0) return NULL;
    Py_INCREF(astmodulestate(m)->ImportFrom_type);
    if (PyModule_AddObject(m, "Global", astmodulestate_global->Global_type) <
        0) return NULL;
    Py_INCREF(astmodulestate(m)->Global_type);
    if (PyModule_AddObject(m, "Nonlocal", astmodulestate_global->Nonlocal_type)
        < 0) return NULL;
    Py_INCREF(astmodulestate(m)->Nonlocal_type);
    if (PyModule_AddObject(m, "Expr", astmodulestate_global->Expr_type) < 0)
        return NULL;
    Py_INCREF(astmodulestate(m)->Expr_type);
    if (PyModule_AddObject(m, "Pass", astmodulestate_global->Pass_type) < 0)
        return NULL;
    Py_INCREF(astmodulestate(m)->Pass_type);
    if (PyModule_AddObject(m, "Break", astmodulestate_global->Break_type) < 0)
        return NULL;
    Py_INCREF(astmodulestate(m)->Break_type);
    if (PyModule_AddObject(m, "Continue", astmodulestate_global->Continue_type)
        < 0) return NULL;
    Py_INCREF(astmodulestate(m)->Continue_type);
    if (PyModule_AddObject(m, "expr", astmodulestate_global->expr_type) < 0)
        return NULL;
    Py_INCREF(astmodulestate(m)->expr_type);
    if (PyModule_AddObject(m, "BoolOp", astmodulestate_global->BoolOp_type) <
        0) return NULL;
    Py_INCREF(astmodulestate(m)->BoolOp_type);
    if (PyModule_AddObject(m, "NamedExpr",
        astmodulestate_global->NamedExpr_type) < 0) return NULL;
    Py_INCREF(astmodulestate(m)->NamedExpr_type);
    if (PyModule_AddObject(m, "BinOp", astmodulestate_global->BinOp_type) < 0)
        return NULL;
    Py_INCREF(astmodulestate(m)->BinOp_type);
    if (PyModule_AddObject(m, "UnaryOp", astmodulestate_global->UnaryOp_type) <
        0) return NULL;
    Py_INCREF(astmodulestate(m)->UnaryOp_type);
    if (PyModule_AddObject(m, "Lambda", astmodulestate_global->Lambda_type) <
        0) return NULL;
    Py_INCREF(astmodulestate(m)->Lambda_type);
    if (PyModule_AddObject(m, "IfExp", astmodulestate_global->IfExp_type) < 0)
        return NULL;
    Py_INCREF(astmodulestate(m)->IfExp_type);
    if (PyModule_AddObject(m, "Dict", astmodulestate_global->Dict_type) < 0)
        return NULL;
    Py_INCREF(astmodulestate(m)->Dict_type);
    if (PyModule_AddObject(m, "Set", astmodulestate_global->Set_type) < 0)
        return NULL;
    Py_INCREF(astmodulestate(m)->Set_type);
    if (PyModule_AddObject(m, "ListComp", astmodulestate_global->ListComp_type)
        < 0) return NULL;
    Py_INCREF(astmodulestate(m)->ListComp_type);
    if (PyModule_AddObject(m, "SetComp", astmodulestate_global->SetComp_type) <
        0) return NULL;
    Py_INCREF(astmodulestate(m)->SetComp_type);
    if (PyModule_AddObject(m, "DictComp", astmodulestate_global->DictComp_type)
        < 0) return NULL;
    Py_INCREF(astmodulestate(m)->DictComp_type);
    if (PyModule_AddObject(m, "GeneratorExp",
        astmodulestate_global->GeneratorExp_type) < 0) return NULL;
    Py_INCREF(astmodulestate(m)->GeneratorExp_type);
    if (PyModule_AddObject(m, "Await", astmodulestate_global->Await_type) < 0)
        return NULL;
    Py_INCREF(astmodulestate(m)->Await_type);
    if (PyModule_AddObject(m, "Yield", astmodulestate_global->Yield_type) < 0)
        return NULL;
    Py_INCREF(astmodulestate(m)->Yield_type);
    if (PyModule_AddObject(m, "YieldFrom",
        astmodulestate_global->YieldFrom_type) < 0) return NULL;
    Py_INCREF(astmodulestate(m)->YieldFrom_type);
    if (PyModule_AddObject(m, "Compare", astmodulestate_global->Compare_type) <
        0) return NULL;
    Py_INCREF(astmodulestate(m)->Compare_type);
    if (PyModule_AddObject(m, "Call", astmodulestate_global->Call_type) < 0)
        return NULL;
    Py_INCREF(astmodulestate(m)->Call_type);
    if (PyModule_AddObject(m, "FormattedValue",
        astmodulestate_global->FormattedValue_type) < 0) return NULL;
    Py_INCREF(astmodulestate(m)->FormattedValue_type);
    if (PyModule_AddObject(m, "JoinedStr",
        astmodulestate_global->JoinedStr_type) < 0) return NULL;
    Py_INCREF(astmodulestate(m)->JoinedStr_type);
    if (PyModule_AddObject(m, "Constant", astmodulestate_global->Constant_type)
        < 0) return NULL;
    Py_INCREF(astmodulestate(m)->Constant_type);
    if (PyModule_AddObject(m, "Attribute",
        astmodulestate_global->Attribute_type) < 0) return NULL;
    Py_INCREF(astmodulestate(m)->Attribute_type);
    if (PyModule_AddObject(m, "Subscript",
        astmodulestate_global->Subscript_type) < 0) return NULL;
    Py_INCREF(astmodulestate(m)->Subscript_type);
    if (PyModule_AddObject(m, "Starred", astmodulestate_global->Starred_type) <
        0) return NULL;
    Py_INCREF(astmodulestate(m)->Starred_type);
    if (PyModule_AddObject(m, "Name", astmodulestate_global->Name_type) < 0)
        return NULL;
    Py_INCREF(astmodulestate(m)->Name_type);
    if (PyModule_AddObject(m, "List", astmodulestate_global->List_type) < 0)
        return NULL;
    Py_INCREF(astmodulestate(m)->List_type);
    if (PyModule_AddObject(m, "Tuple", astmodulestate_global->Tuple_type) < 0)
        return NULL;
    Py_INCREF(astmodulestate(m)->Tuple_type);
    if (PyModule_AddObject(m, "expr_context",
        astmodulestate_global->expr_context_type) < 0) return NULL;
    Py_INCREF(astmodulestate(m)->expr_context_type);
    if (PyModule_AddObject(m, "Load", astmodulestate_global->Load_type) < 0)
        return NULL;
    Py_INCREF(astmodulestate(m)->Load_type);
    if (PyModule_AddObject(m, "Store", astmodulestate_global->Store_type) < 0)
        return NULL;
    Py_INCREF(astmodulestate(m)->Store_type);
    if (PyModule_AddObject(m, "Del", astmodulestate_global->Del_type) < 0)
        return NULL;
    Py_INCREF(astmodulestate(m)->Del_type);
    if (PyModule_AddObject(m, "AugLoad", astmodulestate_global->AugLoad_type) <
        0) return NULL;
    Py_INCREF(astmodulestate(m)->AugLoad_type);
    if (PyModule_AddObject(m, "AugStore", astmodulestate_global->AugStore_type)
        < 0) return NULL;
    Py_INCREF(astmodulestate(m)->AugStore_type);
    if (PyModule_AddObject(m, "Param", astmodulestate_global->Param_type) < 0)
        return NULL;
    Py_INCREF(astmodulestate(m)->Param_type);
    if (PyModule_AddObject(m, "slice", astmodulestate_global->slice_type) < 0)
        return NULL;
    Py_INCREF(astmodulestate(m)->slice_type);
    if (PyModule_AddObject(m, "Slice", astmodulestate_global->Slice_type) < 0)
        return NULL;
    Py_INCREF(astmodulestate(m)->Slice_type);
    if (PyModule_AddObject(m, "ExtSlice", astmodulestate_global->ExtSlice_type)
        < 0) return NULL;
    Py_INCREF(astmodulestate(m)->ExtSlice_type);
    if (PyModule_AddObject(m, "Index", astmodulestate_global->Index_type) < 0)
        return NULL;
    Py_INCREF(astmodulestate(m)->Index_type);
    if (PyModule_AddObject(m, "boolop", astmodulestate_global->boolop_type) <
        0) return NULL;
    Py_INCREF(astmodulestate(m)->boolop_type);
    if (PyModule_AddObject(m, "And", astmodulestate_global->And_type) < 0)
        return NULL;
    Py_INCREF(astmodulestate(m)->And_type);
    if (PyModule_AddObject(m, "Or", astmodulestate_global->Or_type) < 0) return
        NULL;
    Py_INCREF(astmodulestate(m)->Or_type);
    if (PyModule_AddObject(m, "operator", astmodulestate_global->operator_type)
        < 0) return NULL;
    Py_INCREF(astmodulestate(m)->operator_type);
    if (PyModule_AddObject(m, "Add", astmodulestate_global->Add_type) < 0)
        return NULL;
    Py_INCREF(astmodulestate(m)->Add_type);
    if (PyModule_AddObject(m, "Sub", astmodulestate_global->Sub_type) < 0)
        return NULL;
    Py_INCREF(astmodulestate(m)->Sub_type);
    if (PyModule_AddObject(m, "Mult", astmodulestate_global->Mult_type) < 0)
        return NULL;
    Py_INCREF(astmodulestate(m)->Mult_type);
    if (PyModule_AddObject(m, "MatMult", astmodulestate_global->MatMult_type) <
        0) return NULL;
    Py_INCREF(astmodulestate(m)->MatMult_type);
    if (PyModule_AddObject(m, "Div", astmodulestate_global->Div_type) < 0)
        return NULL;
    Py_INCREF(astmodulestate(m)->Div_type);
    if (PyModule_AddObject(m, "Mod", astmodulestate_global->Mod_type) < 0)
        return NULL;
    Py_INCREF(astmodulestate(m)->Mod_type);
    if (PyModule_AddObject(m, "Pow", astmodulestate_global->Pow_type) < 0)
        return NULL;
    Py_INCREF(astmodulestate(m)->Pow_type);
    if (PyModule_AddObject(m, "LShift", astmodulestate_global->LShift_type) <
        0) return NULL;
    Py_INCREF(astmodulestate(m)->LShift_type);
    if (PyModule_AddObject(m, "RShift", astmodulestate_global->RShift_type) <
        0) return NULL;
    Py_INCREF(astmodulestate(m)->RShift_type);
    if (PyModule_AddObject(m, "BitOr", astmodulestate_global->BitOr_type) < 0)
        return NULL;
    Py_INCREF(astmodulestate(m)->BitOr_type);
    if (PyModule_AddObject(m, "BitXor", astmodulestate_global->BitXor_type) <
        0) return NULL;
    Py_INCREF(astmodulestate(m)->BitXor_type);
    if (PyModule_AddObject(m, "BitAnd", astmodulestate_global->BitAnd_type) <
        0) return NULL;
    Py_INCREF(astmodulestate(m)->BitAnd_type);
    if (PyModule_AddObject(m, "FloorDiv", astmodulestate_global->FloorDiv_type)
        < 0) return NULL;
    Py_INCREF(astmodulestate(m)->FloorDiv_type);
    if (PyModule_AddObject(m, "unaryop", astmodulestate_global->unaryop_type) <
        0) return NULL;
    Py_INCREF(astmodulestate(m)->unaryop_type);
    if (PyModule_AddObject(m, "Invert", astmodulestate_global->Invert_type) <
        0) return NULL;
    Py_INCREF(astmodulestate(m)->Invert_type);
    if (PyModule_AddObject(m, "Not", astmodulestate_global->Not_type) < 0)
        return NULL;
    Py_INCREF(astmodulestate(m)->Not_type);
    if (PyModule_AddObject(m, "UAdd", astmodulestate_global->UAdd_type) < 0)
        return NULL;
    Py_INCREF(astmodulestate(m)->UAdd_type);
    if (PyModule_AddObject(m, "USub", astmodulestate_global->USub_type) < 0)
        return NULL;
    Py_INCREF(astmodulestate(m)->USub_type);
    if (PyModule_AddObject(m, "cmpop", astmodulestate_global->cmpop_type) < 0)
        return NULL;
    Py_INCREF(astmodulestate(m)->cmpop_type);
    if (PyModule_AddObject(m, "Eq", astmodulestate_global->Eq_type) < 0) return
        NULL;
    Py_INCREF(astmodulestate(m)->Eq_type);
    if (PyModule_AddObject(m, "NotEq", astmodulestate_global->NotEq_type) < 0)
        return NULL;
    Py_INCREF(astmodulestate(m)->NotEq_type);
    if (PyModule_AddObject(m, "Lt", astmodulestate_global->Lt_type) < 0) return
        NULL;
    Py_INCREF(astmodulestate(m)->Lt_type);
    if (PyModule_AddObject(m, "LtE", astmodulestate_global->LtE_type) < 0)
        return NULL;
    Py_INCREF(astmodulestate(m)->LtE_type);
    if (PyModule_AddObject(m, "Gt", astmodulestate_global->Gt_type) < 0) return
        NULL;
    Py_INCREF(astmodulestate(m)->Gt_type);
    if (PyModule_AddObject(m, "GtE", astmodulestate_global->GtE_type) < 0)
        return NULL;
    Py_INCREF(astmodulestate(m)->GtE_type);
    if (PyModule_AddObject(m, "Is", astmodulestate_global->Is_type) < 0) return
        NULL;
    Py_INCREF(astmodulestate(m)->Is_type);
    if (PyModule_AddObject(m, "IsNot", astmodulestate_global->IsNot_type) < 0)
        return NULL;
    Py_INCREF(astmodulestate(m)->IsNot_type);
    if (PyModule_AddObject(m, "In", astmodulestate_global->In_type) < 0) return
        NULL;
    Py_INCREF(astmodulestate(m)->In_type);
    if (PyModule_AddObject(m, "NotIn", astmodulestate_global->NotIn_type) < 0)
        return NULL;
    Py_INCREF(astmodulestate(m)->NotIn_type);
    if (PyModule_AddObject(m, "comprehension",
        astmodulestate_global->comprehension_type) < 0) return NULL;
    Py_INCREF(astmodulestate(m)->comprehension_type);
    if (PyModule_AddObject(m, "excepthandler",
        astmodulestate_global->excepthandler_type) < 0) return NULL;
    Py_INCREF(astmodulestate(m)->excepthandler_type);
    if (PyModule_AddObject(m, "ExceptHandler",
        astmodulestate_global->ExceptHandler_type) < 0) return NULL;
    Py_INCREF(astmodulestate(m)->ExceptHandler_type);
    if (PyModule_AddObject(m, "arguments",
        astmodulestate_global->arguments_type) < 0) return NULL;
    Py_INCREF(astmodulestate(m)->arguments_type);
    if (PyModule_AddObject(m, "arg", astmodulestate_global->arg_type) < 0)
        return NULL;
    Py_INCREF(astmodulestate(m)->arg_type);
    if (PyModule_AddObject(m, "keyword", astmodulestate_global->keyword_type) <
        0) return NULL;
    Py_INCREF(astmodulestate(m)->keyword_type);
    if (PyModule_AddObject(m, "alias", astmodulestate_global->alias_type) < 0)
        return NULL;
    Py_INCREF(astmodulestate(m)->alias_type);
    if (PyModule_AddObject(m, "withitem", astmodulestate_global->withitem_type)
        < 0) return NULL;
    Py_INCREF(astmodulestate(m)->withitem_type);
    if (PyModule_AddObject(m, "type_ignore",
        astmodulestate_global->type_ignore_type) < 0) return NULL;
    Py_INCREF(astmodulestate(m)->type_ignore_type);
    if (PyModule_AddObject(m, "TypeIgnore",
        astmodulestate_global->TypeIgnore_type) < 0) return NULL;
    Py_INCREF(astmodulestate(m)->TypeIgnore_type);
    return m;
}


PyObject* PyAST_mod2obj(mod_ty t)
{
    if (!init_types())
        return NULL;
    return ast2obj_mod(t);
}

/* mode is 0 for "exec", 1 for "eval" and 2 for "single" input */
mod_ty PyAST_obj2mod(PyObject* ast, PyArena* arena, int mode)
{
    mod_ty res;
    PyObject *req_type[3];
    const char * const req_name[] = {"Module", "Expression", "Interactive"};
    int isinstance;

    if (PySys_Audit("compile", "OO", ast, Py_None) < 0) {
        return NULL;
    }

    req_type[0] = astmodulestate_global->Module_type;
    req_type[1] = astmodulestate_global->Expression_type;
    req_type[2] = astmodulestate_global->Interactive_type;

    assert(0 <= mode && mode <= 2);

    if (!init_types())
        return NULL;

    isinstance = PyObject_IsInstance(ast, req_type[mode]);
    if (isinstance == -1)
        return NULL;
    if (!isinstance) {
        PyErr_Format(PyExc_TypeError, "expected %s node, got %.400s",
                     req_name[mode], _PyType_Name(Py_TYPE(ast)));
        return NULL;
    }
    if (obj2ast_mod(ast, &res, arena) != 0)
        return NULL;
    else
        return res;
}

int PyAST_Check(PyObject* obj)
{
    if (!init_types())
        return -1;
    return PyObject_IsInstance(obj, astmodulestate_global->AST_type);
}