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Copy pathPython-ast.c
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10372 lines (10118 loc) · 342 KB
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// File automatically generated by Parser/asdl_c.py.
#include "Python.h"
#include "pycore_ast.h"
#include "pycore_ast_state.h" // struct ast_state
#include "pycore_interp.h" // _PyInterpreterState.ast
#include "pycore_pystate.h" // _PyInterpreterState_GET()
#include "structmember.h"
#include <stddef.h>
// Forward declaration
static int init_types(struct ast_state *state);
static struct ast_state*
get_ast_state(void)
{
PyInterpreterState *interp = _PyInterpreterState_GET();
struct ast_state *state = &interp->ast;
if (!init_types(state)) {
return NULL;
}
return state;
}
void _PyAST_Fini(PyInterpreterState *interp)
{
struct ast_state *state = &interp->ast;
Py_CLEAR(state->AST_type);
Py_CLEAR(state->Add_singleton);
Py_CLEAR(state->Add_type);
Py_CLEAR(state->And_singleton);
Py_CLEAR(state->And_type);
Py_CLEAR(state->AnnAssign_type);
Py_CLEAR(state->Assert_type);
Py_CLEAR(state->Assign_type);
Py_CLEAR(state->AsyncFor_type);
Py_CLEAR(state->AsyncFunctionDef_type);
Py_CLEAR(state->AsyncWith_type);
Py_CLEAR(state->Attribute_type);
Py_CLEAR(state->AugAssign_type);
Py_CLEAR(state->Await_type);
Py_CLEAR(state->BinOp_type);
Py_CLEAR(state->BitAnd_singleton);
Py_CLEAR(state->BitAnd_type);
Py_CLEAR(state->BitOr_singleton);
Py_CLEAR(state->BitOr_type);
Py_CLEAR(state->BitXor_singleton);
Py_CLEAR(state->BitXor_type);
Py_CLEAR(state->BoolOp_type);
Py_CLEAR(state->Break_type);
Py_CLEAR(state->Call_type);
Py_CLEAR(state->ClassDef_type);
Py_CLEAR(state->Compare_type);
Py_CLEAR(state->Constant_type);
Py_CLEAR(state->Continue_type);
Py_CLEAR(state->Del_singleton);
Py_CLEAR(state->Del_type);
Py_CLEAR(state->Delete_type);
Py_CLEAR(state->DictComp_type);
Py_CLEAR(state->Dict_type);
Py_CLEAR(state->Div_singleton);
Py_CLEAR(state->Div_type);
Py_CLEAR(state->Eq_singleton);
Py_CLEAR(state->Eq_type);
Py_CLEAR(state->ExceptHandler_type);
Py_CLEAR(state->Expr_type);
Py_CLEAR(state->Expression_type);
Py_CLEAR(state->FloorDiv_singleton);
Py_CLEAR(state->FloorDiv_type);
Py_CLEAR(state->For_type);
Py_CLEAR(state->FormattedValue_type);
Py_CLEAR(state->FunctionDef_type);
Py_CLEAR(state->FunctionType_type);
Py_CLEAR(state->GeneratorExp_type);
Py_CLEAR(state->Global_type);
Py_CLEAR(state->GtE_singleton);
Py_CLEAR(state->GtE_type);
Py_CLEAR(state->Gt_singleton);
Py_CLEAR(state->Gt_type);
Py_CLEAR(state->IfExp_type);
Py_CLEAR(state->If_type);
Py_CLEAR(state->ImportFrom_type);
Py_CLEAR(state->Import_type);
Py_CLEAR(state->In_singleton);
Py_CLEAR(state->In_type);
Py_CLEAR(state->Interactive_type);
Py_CLEAR(state->Invert_singleton);
Py_CLEAR(state->Invert_type);
Py_CLEAR(state->IsNot_singleton);
Py_CLEAR(state->IsNot_type);
Py_CLEAR(state->Is_singleton);
Py_CLEAR(state->Is_type);
Py_CLEAR(state->JoinedStr_type);
Py_CLEAR(state->LShift_singleton);
Py_CLEAR(state->LShift_type);
Py_CLEAR(state->Lambda_type);
Py_CLEAR(state->ListComp_type);
Py_CLEAR(state->List_type);
Py_CLEAR(state->Load_singleton);
Py_CLEAR(state->Load_type);
Py_CLEAR(state->LtE_singleton);
Py_CLEAR(state->LtE_type);
Py_CLEAR(state->Lt_singleton);
Py_CLEAR(state->Lt_type);
Py_CLEAR(state->MatMult_singleton);
Py_CLEAR(state->MatMult_type);
Py_CLEAR(state->MatchAs_type);
Py_CLEAR(state->MatchOr_type);
Py_CLEAR(state->Match_type);
Py_CLEAR(state->Mod_singleton);
Py_CLEAR(state->Mod_type);
Py_CLEAR(state->Module_type);
Py_CLEAR(state->Mult_singleton);
Py_CLEAR(state->Mult_type);
Py_CLEAR(state->Name_type);
Py_CLEAR(state->NamedExpr_type);
Py_CLEAR(state->Nonlocal_type);
Py_CLEAR(state->NotEq_singleton);
Py_CLEAR(state->NotEq_type);
Py_CLEAR(state->NotIn_singleton);
Py_CLEAR(state->NotIn_type);
Py_CLEAR(state->Not_singleton);
Py_CLEAR(state->Not_type);
Py_CLEAR(state->Or_singleton);
Py_CLEAR(state->Or_type);
Py_CLEAR(state->Pass_type);
Py_CLEAR(state->Pow_singleton);
Py_CLEAR(state->Pow_type);
Py_CLEAR(state->RShift_singleton);
Py_CLEAR(state->RShift_type);
Py_CLEAR(state->Raise_type);
Py_CLEAR(state->Return_type);
Py_CLEAR(state->SetComp_type);
Py_CLEAR(state->Set_type);
Py_CLEAR(state->Slice_type);
Py_CLEAR(state->Starred_type);
Py_CLEAR(state->Store_singleton);
Py_CLEAR(state->Store_type);
Py_CLEAR(state->Sub_singleton);
Py_CLEAR(state->Sub_type);
Py_CLEAR(state->Subscript_type);
Py_CLEAR(state->Try_type);
Py_CLEAR(state->Tuple_type);
Py_CLEAR(state->TypeIgnore_type);
Py_CLEAR(state->UAdd_singleton);
Py_CLEAR(state->UAdd_type);
Py_CLEAR(state->USub_singleton);
Py_CLEAR(state->USub_type);
Py_CLEAR(state->UnaryOp_type);
Py_CLEAR(state->While_type);
Py_CLEAR(state->With_type);
Py_CLEAR(state->YieldFrom_type);
Py_CLEAR(state->Yield_type);
Py_CLEAR(state->__dict__);
Py_CLEAR(state->__doc__);
Py_CLEAR(state->__match_args__);
Py_CLEAR(state->__module__);
Py_CLEAR(state->_attributes);
Py_CLEAR(state->_fields);
Py_CLEAR(state->alias_type);
Py_CLEAR(state->annotation);
Py_CLEAR(state->arg);
Py_CLEAR(state->arg_type);
Py_CLEAR(state->args);
Py_CLEAR(state->argtypes);
Py_CLEAR(state->arguments_type);
Py_CLEAR(state->asname);
Py_CLEAR(state->ast);
Py_CLEAR(state->attr);
Py_CLEAR(state->bases);
Py_CLEAR(state->body);
Py_CLEAR(state->boolop_type);
Py_CLEAR(state->cases);
Py_CLEAR(state->cause);
Py_CLEAR(state->cmpop_type);
Py_CLEAR(state->col_offset);
Py_CLEAR(state->comparators);
Py_CLEAR(state->comprehension_type);
Py_CLEAR(state->context_expr);
Py_CLEAR(state->conversion);
Py_CLEAR(state->ctx);
Py_CLEAR(state->decorator_list);
Py_CLEAR(state->defaults);
Py_CLEAR(state->elt);
Py_CLEAR(state->elts);
Py_CLEAR(state->end_col_offset);
Py_CLEAR(state->end_lineno);
Py_CLEAR(state->exc);
Py_CLEAR(state->excepthandler_type);
Py_CLEAR(state->expr_context_type);
Py_CLEAR(state->expr_type);
Py_CLEAR(state->finalbody);
Py_CLEAR(state->format_spec);
Py_CLEAR(state->func);
Py_CLEAR(state->generators);
Py_CLEAR(state->guard);
Py_CLEAR(state->handlers);
Py_CLEAR(state->id);
Py_CLEAR(state->ifs);
Py_CLEAR(state->is_async);
Py_CLEAR(state->items);
Py_CLEAR(state->iter);
Py_CLEAR(state->key);
Py_CLEAR(state->keys);
Py_CLEAR(state->keyword_type);
Py_CLEAR(state->keywords);
Py_CLEAR(state->kind);
Py_CLEAR(state->kw_defaults);
Py_CLEAR(state->kwarg);
Py_CLEAR(state->kwonlyargs);
Py_CLEAR(state->left);
Py_CLEAR(state->level);
Py_CLEAR(state->lineno);
Py_CLEAR(state->lower);
Py_CLEAR(state->match_case_type);
Py_CLEAR(state->mod_type);
Py_CLEAR(state->module);
Py_CLEAR(state->msg);
Py_CLEAR(state->name);
Py_CLEAR(state->names);
Py_CLEAR(state->op);
Py_CLEAR(state->operand);
Py_CLEAR(state->operator_type);
Py_CLEAR(state->ops);
Py_CLEAR(state->optional_vars);
Py_CLEAR(state->orelse);
Py_CLEAR(state->pattern);
Py_CLEAR(state->patterns);
Py_CLEAR(state->posonlyargs);
Py_CLEAR(state->returns);
Py_CLEAR(state->right);
Py_CLEAR(state->simple);
Py_CLEAR(state->slice);
Py_CLEAR(state->step);
Py_CLEAR(state->stmt_type);
Py_CLEAR(state->subject);
Py_CLEAR(state->tag);
Py_CLEAR(state->target);
Py_CLEAR(state->targets);
Py_CLEAR(state->test);
Py_CLEAR(state->type);
Py_CLEAR(state->type_comment);
Py_CLEAR(state->type_ignore_type);
Py_CLEAR(state->type_ignores);
Py_CLEAR(state->unaryop_type);
Py_CLEAR(state->upper);
Py_CLEAR(state->value);
Py_CLEAR(state->values);
Py_CLEAR(state->vararg);
Py_CLEAR(state->withitem_type);
#if !defined(NDEBUG)
state->initialized = -1;
#else
state->initialized = 0;
#endif
}
static int init_identifiers(struct ast_state *state)
{
if ((state->__dict__ = PyUnicode_InternFromString("__dict__")) == NULL) return 0;
if ((state->__doc__ = PyUnicode_InternFromString("__doc__")) == NULL) return 0;
if ((state->__match_args__ = PyUnicode_InternFromString("__match_args__")) == NULL) return 0;
if ((state->__module__ = PyUnicode_InternFromString("__module__")) == 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->ast = PyUnicode_InternFromString("ast")) == 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->cases = PyUnicode_InternFromString("cases")) == 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->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->guard = PyUnicode_InternFromString("guard")) == 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->pattern = PyUnicode_InternFromString("pattern")) == NULL) return 0;
if ((state->patterns = PyUnicode_InternFromString("patterns")) == 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->subject = PyUnicode_InternFromString("subject")) == 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;
};
GENERATE_ASDL_SEQ_CONSTRUCTOR(mod, mod_ty)
GENERATE_ASDL_SEQ_CONSTRUCTOR(stmt, stmt_ty)
GENERATE_ASDL_SEQ_CONSTRUCTOR(expr, expr_ty)
GENERATE_ASDL_SEQ_CONSTRUCTOR(comprehension, comprehension_ty)
GENERATE_ASDL_SEQ_CONSTRUCTOR(excepthandler, excepthandler_ty)
GENERATE_ASDL_SEQ_CONSTRUCTOR(arguments, arguments_ty)
GENERATE_ASDL_SEQ_CONSTRUCTOR(arg, arg_ty)
GENERATE_ASDL_SEQ_CONSTRUCTOR(keyword, keyword_ty)
GENERATE_ASDL_SEQ_CONSTRUCTOR(alias, alias_ty)
GENERATE_ASDL_SEQ_CONSTRUCTOR(withitem, withitem_ty)
GENERATE_ASDL_SEQ_CONSTRUCTOR(match_case, match_case_ty)
GENERATE_ASDL_SEQ_CONSTRUCTOR(type_ignore, type_ignore_ty)
static PyObject* ast2obj_mod(struct ast_state *state, 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 stmt_attributes[] = {
"lineno",
"col_offset",
"end_lineno",
"end_col_offset",
};
static PyObject* ast2obj_stmt(struct ast_state *state, 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 Match_fields[]={
"subject",
"cases",
};
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(struct ast_state *state, 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 const char * const Slice_fields[]={
"lower",
"upper",
"step",
};
static const char * const MatchAs_fields[]={
"pattern",
"name",
};
static const char * const MatchOr_fields[]={
"patterns",
};
static PyObject* ast2obj_expr_context(struct ast_state *state, expr_context_ty);
static PyObject* ast2obj_boolop(struct ast_state *state, boolop_ty);
static PyObject* ast2obj_operator(struct ast_state *state, operator_ty);
static PyObject* ast2obj_unaryop(struct ast_state *state, unaryop_ty);
static PyObject* ast2obj_cmpop(struct ast_state *state, cmpop_ty);
static PyObject* ast2obj_comprehension(struct ast_state *state, 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(struct ast_state *state, void*);
static const char * const ExceptHandler_fields[]={
"type",
"name",
"body",
};
static PyObject* ast2obj_arguments(struct ast_state *state, void*);
static const char * const arguments_fields[]={
"posonlyargs",
"args",
"vararg",
"kwonlyargs",
"kw_defaults",
"kwarg",
"defaults",
};
static PyObject* ast2obj_arg(struct ast_state *state, 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(struct ast_state *state, void*);
static const char * const keyword_attributes[] = {
"lineno",
"col_offset",
"end_lineno",
"end_col_offset",
};
static const char * const keyword_fields[]={
"arg",
"value",
};
static PyObject* ast2obj_alias(struct ast_state *state, void*);
static const char * const alias_fields[]={
"name",
"asname",
};
static PyObject* ast2obj_withitem(struct ast_state *state, void*);
static const char * const withitem_fields[]={
"context_expr",
"optional_vars",
};
static PyObject* ast2obj_match_case(struct ast_state *state, void*);
static const char * const match_case_fields[]={
"pattern",
"guard",
"body",
};
static PyObject* ast2obj_type_ignore(struct ast_state *state, 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(Py_TYPE(self));
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)
{
struct ast_state *state = get_ast_state();
if (state == NULL) {
return -1;
}
Py_ssize_t i, numfields = 0;
int res = -1;
PyObject *key, *value, *fields;
if (_PyObject_LookupAttr((PyObject*)Py_TYPE(self), state->_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)) {
int contains = PySequence_Contains(fields, key);
if (contains == -1) {
res = -1;
goto cleanup;
} else if (contains == 1) {
Py_ssize_t p = PySequence_Index(fields, key);
if (p == -1) {
res = -1;
goto cleanup;
}
if (p < PyTuple_GET_SIZE(args)) {
PyErr_Format(PyExc_TypeError,
"%.400s got multiple values for argument '%U'",
Py_TYPE(self)->tp_name, key);
res = -1;
goto cleanup;
}
}
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)
{
struct ast_state *state = get_ast_state();
if (state == NULL) {
return NULL;
}
PyObject *dict;
if (_PyObject_LookupAttr(self, state->__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, 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(struct ast_state *state, const char *type, PyObject* base,
const char* const* fields, int num_fields, const char *doc)
{
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){OOOOOOOs}",
type, base,
state->_fields, fnames,
state->__match_args__, fnames,
state->__module__,
state->ast,
state->__doc__, doc);
Py_DECREF(fnames);
return result;
}
static int
add_attributes(struct ast_state *state, 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, state->_attributes, l) >= 0;
Py_DECREF(l);
return result;
}
/* Conversion AST -> Python */
static PyObject* ast2obj_list(struct ast_state *state, asdl_seq *seq, PyObject* (*func)(struct ast_state *state, 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(state, asdl_seq_GET_UNTYPED(seq, i));
if (!value) {
Py_DECREF(result);
return NULL;
}
PyList_SET_ITEM(result, i, value);
}
return result;
}
static PyObject* ast2obj_object(struct ast_state *Py_UNUSED(state), void *o)
{
if (!o)
o = Py_None;
Py_INCREF((PyObject*)o);
return (PyObject*)o;
}
#define ast2obj_constant ast2obj_object
#define ast2obj_identifier ast2obj_object
#define ast2obj_string ast2obj_object
static PyObject* ast2obj_int(struct ast_state *Py_UNUSED(state), long b)
{
return PyLong_FromLong(b);
}
/* Conversion Python -> AST */
static int obj2ast_object(struct ast_state *Py_UNUSED(state), 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(struct ast_state *Py_UNUSED(state), 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(struct ast_state *state, 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(state, obj, out, arena);
}
static int obj2ast_string(struct ast_state *state, 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(state, obj, out, arena);
}
static int obj2ast_int(struct ast_state* Py_UNUSED(state), PyObject* obj, int* out, PyArena* arena)
{
int i;
if (!PyLong_Check(obj)) {
PyErr_Format(PyExc_ValueError, "invalid integer value: %R", obj);
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