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Issue #24098: Fixed possible crash when AST is changed in process of

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compiling it.
This commit is contained in:
Serhiy Storchaka 2016-10-07 21:51:28 +03:00
parent 36e7e97d62
commit cf3806026b
3 changed files with 226 additions and 0 deletions
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3
Misc/NEWS
View file

@ -10,6 +10,9 @@ Release date: TBA
Core and Builtins
-----------------
- Issue #24098: Fixed possible crash when AST is changed in process of
compiling it.
- Issue #28350: String constants with null character no longer interned.
- Issue #26617: Fix crash when GC runs during weakref callbacks.

7
Parser/asdl_c.py
View file

@ -526,6 +526,13 @@ def visitField(self, field, name, sum=None, prod=None, depth=0):
self.emit("res = obj2ast_%s(PyList_GET_ITEM(tmp, i), &value, arena);" %
field.type, depth+2, reflow=False)
self.emit("if (res != 0) goto failed;", depth+2)
self.emit("if (len != PyList_GET_SIZE(tmp)) {", depth+2)
self.emit("PyErr_SetString(PyExc_RuntimeError, \"%s field \\\"%s\\\" "
"changed size during iteration\");" %
(name, field.name),
depth+3, reflow=False)
self.emit("goto failed;", depth+3)
self.emit("}", depth+2)
self.emit("asdl_seq_SET(%s, i, value);" % field.name, depth+2)
self.emit("}", depth+1)
else:

216
Python/Python-ast.c
View file

@ -3797,6 +3797,10 @@ obj2ast_mod(PyObject* obj, mod_ty* out, PyArena* arena)
stmt_ty value;
res = obj2ast_stmt(PyList_GET_ITEM(tmp, i), &value, arena);
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, value);
}
Py_CLEAR(tmp);
@ -3832,6 +3836,10 @@ obj2ast_mod(PyObject* obj, mod_ty* out, PyArena* arena)
stmt_ty value;
res = obj2ast_stmt(PyList_GET_ITEM(tmp, i), &value, arena);
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, value);
}
Py_CLEAR(tmp);
@ -3889,6 +3897,10 @@ obj2ast_mod(PyObject* obj, mod_ty* out, PyArena* arena)
stmt_ty value;
res = obj2ast_stmt(PyList_GET_ITEM(tmp, i), &value, arena);
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, value);
}
Py_CLEAR(tmp);
@ -3992,6 +4004,10 @@ obj2ast_stmt(PyObject* obj, stmt_ty* out, PyArena* arena)
stmt_ty value;
res = obj2ast_stmt(PyList_GET_ITEM(tmp, i), &value, arena);
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, value);
}
Py_CLEAR(tmp);
@ -4016,6 +4032,10 @@ obj2ast_stmt(PyObject* obj, stmt_ty* out, PyArena* arena)
expr_ty value;
res = obj2ast_expr(PyList_GET_ITEM(tmp, i), &value, arena);
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, value);
}
Py_CLEAR(tmp);
@ -4088,6 +4108,10 @@ obj2ast_stmt(PyObject* obj, stmt_ty* out, PyArena* arena)
stmt_ty value;
res = obj2ast_stmt(PyList_GET_ITEM(tmp, i), &value, arena);
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, value);
}
Py_CLEAR(tmp);
@ -4112,6 +4136,10 @@ obj2ast_stmt(PyObject* obj, stmt_ty* out, PyArena* arena)
expr_ty value;
res = obj2ast_expr(PyList_GET_ITEM(tmp, i), &value, arena);
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, value);
}
Py_CLEAR(tmp);
@ -4173,6 +4201,10 @@ obj2ast_stmt(PyObject* obj, stmt_ty* out, PyArena* arena)
expr_ty value;
res = obj2ast_expr(PyList_GET_ITEM(tmp, i), &value, arena);
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, value);
}
Py_CLEAR(tmp);
@ -4197,6 +4229,10 @@ obj2ast_stmt(PyObject* obj, stmt_ty* out, PyArena* arena)
keyword_ty value;
res = obj2ast_keyword(PyList_GET_ITEM(tmp, i), &value, arena);
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, value);
}
Py_CLEAR(tmp);
@ -4221,6 +4257,10 @@ obj2ast_stmt(PyObject* obj, stmt_ty* out, PyArena* arena)
stmt_ty value;
res = obj2ast_stmt(PyList_GET_ITEM(tmp, i), &value, arena);
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, value);
}
Py_CLEAR(tmp);
@ -4245,6 +4285,10 @@ obj2ast_stmt(PyObject* obj, stmt_ty* out, PyArena* arena)
expr_ty value;
res = obj2ast_expr(PyList_GET_ITEM(tmp, i), &value, arena);
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, value);
}
Py_CLEAR(tmp);
@ -4302,6 +4346,10 @@ obj2ast_stmt(PyObject* obj, stmt_ty* out, PyArena* arena)
expr_ty value;
res = obj2ast_expr(PyList_GET_ITEM(tmp, i), &value, arena);
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, value);
}
Py_CLEAR(tmp);
@ -4338,6 +4386,10 @@ obj2ast_stmt(PyObject* obj, stmt_ty* out, PyArena* arena)
expr_ty value;
res = obj2ast_expr(PyList_GET_ITEM(tmp, i), &value, arena);
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, value);
}
Py_CLEAR(tmp);
@ -4455,6 +4507,10 @@ obj2ast_stmt(PyObject* obj, stmt_ty* out, PyArena* arena)
stmt_ty value;
res = obj2ast_stmt(PyList_GET_ITEM(tmp, i), &value, arena);
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, value);
}
Py_CLEAR(tmp);
@ -4479,6 +4535,10 @@ obj2ast_stmt(PyObject* obj, stmt_ty* out, PyArena* arena)
stmt_ty value;
res = obj2ast_stmt(PyList_GET_ITEM(tmp, i), &value, arena);
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, value);
}
Py_CLEAR(tmp);
@ -4539,6 +4599,10 @@ obj2ast_stmt(PyObject* obj, stmt_ty* out, PyArena* arena)
stmt_ty value;
res = obj2ast_stmt(PyList_GET_ITEM(tmp, i), &value, arena);
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, value);
}
Py_CLEAR(tmp);
@ -4563,6 +4627,10 @@ obj2ast_stmt(PyObject* obj, stmt_ty* out, PyArena* arena)
stmt_ty value;
res = obj2ast_stmt(PyList_GET_ITEM(tmp, i), &value, arena);
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, value);
}
Py_CLEAR(tmp);
@ -4611,6 +4679,10 @@ obj2ast_stmt(PyObject* obj, stmt_ty* out, PyArena* arena)
stmt_ty value;
res = obj2ast_stmt(PyList_GET_ITEM(tmp, i), &value, arena);
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, value);
}
Py_CLEAR(tmp);
@ -4635,6 +4707,10 @@ obj2ast_stmt(PyObject* obj, stmt_ty* out, PyArena* arena)
stmt_ty value;
res = obj2ast_stmt(PyList_GET_ITEM(tmp, i), &value, arena);
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, value);
}
Py_CLEAR(tmp);
@ -4683,6 +4759,10 @@ obj2ast_stmt(PyObject* obj, stmt_ty* out, PyArena* arena)
stmt_ty value;
res = obj2ast_stmt(PyList_GET_ITEM(tmp, i), &value, arena);
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, value);
}
Py_CLEAR(tmp);
@ -4707,6 +4787,10 @@ obj2ast_stmt(PyObject* obj, stmt_ty* out, PyArena* arena)
stmt_ty value;
res = obj2ast_stmt(PyList_GET_ITEM(tmp, i), &value, arena);
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, value);
}
Py_CLEAR(tmp);
@ -4743,6 +4827,10 @@ obj2ast_stmt(PyObject* obj, stmt_ty* out, PyArena* arena)
withitem_ty value;
res = obj2ast_withitem(PyList_GET_ITEM(tmp, i), &value, arena);
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, value);
}
Py_CLEAR(tmp);
@ -4767,6 +4855,10 @@ obj2ast_stmt(PyObject* obj, stmt_ty* out, PyArena* arena)
stmt_ty value;
res = obj2ast_stmt(PyList_GET_ITEM(tmp, i), &value, arena);
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, value);
}
Py_CLEAR(tmp);
@ -4803,6 +4895,10 @@ obj2ast_stmt(PyObject* obj, stmt_ty* out, PyArena* arena)
withitem_ty value;
res = obj2ast_withitem(PyList_GET_ITEM(tmp, i), &value, arena);
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, value);
}
Py_CLEAR(tmp);
@ -4827,6 +4923,10 @@ obj2ast_stmt(PyObject* obj, stmt_ty* out, PyArena* arena)
stmt_ty value;
res = obj2ast_stmt(PyList_GET_ITEM(tmp, i), &value, arena);
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, value);
}
Py_CLEAR(tmp);
@ -4897,6 +4997,10 @@ obj2ast_stmt(PyObject* obj, stmt_ty* out, PyArena* arena)
stmt_ty value;
res = obj2ast_stmt(PyList_GET_ITEM(tmp, i), &value, arena);
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, value);
}
Py_CLEAR(tmp);
@ -4921,6 +5025,10 @@ obj2ast_stmt(PyObject* obj, stmt_ty* out, PyArena* arena)
excepthandler_ty value;
res = obj2ast_excepthandler(PyList_GET_ITEM(tmp, i), &value, arena);
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, value);
}
Py_CLEAR(tmp);
@ -4945,6 +5053,10 @@ obj2ast_stmt(PyObject* obj, stmt_ty* out, PyArena* arena)
stmt_ty value;
res = obj2ast_stmt(PyList_GET_ITEM(tmp, i), &value, arena);
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, value);
}
Py_CLEAR(tmp);
@ -4969,6 +5081,10 @@ obj2ast_stmt(PyObject* obj, stmt_ty* out, PyArena* arena)
stmt_ty value;
res = obj2ast_stmt(PyList_GET_ITEM(tmp, i), &value, arena);
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, value);
}
Py_CLEAR(tmp);
@ -5038,6 +5154,10 @@ obj2ast_stmt(PyObject* obj, stmt_ty* out, PyArena* arena)
alias_ty value;
res = obj2ast_alias(PyList_GET_ITEM(tmp, i), &value, arena);
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, value);
}
Py_CLEAR(tmp);
@ -5085,6 +5205,10 @@ obj2ast_stmt(PyObject* obj, stmt_ty* out, PyArena* arena)
alias_ty value;
res = obj2ast_alias(PyList_GET_ITEM(tmp, i), &value, arena);
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, value);
}
Py_CLEAR(tmp);
@ -5130,6 +5254,10 @@ obj2ast_stmt(PyObject* obj, stmt_ty* out, PyArena* arena)
identifier value;
res = obj2ast_identifier(PyList_GET_ITEM(tmp, i), &value, arena);
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, value);
}
Py_CLEAR(tmp);
@ -5165,6 +5293,10 @@ obj2ast_stmt(PyObject* obj, stmt_ty* out, PyArena* arena)
identifier value;
res = obj2ast_identifier(PyList_GET_ITEM(tmp, i), &value, arena);
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, value);
}
Py_CLEAR(tmp);
@ -5306,6 +5438,10 @@ obj2ast_expr(PyObject* obj, expr_ty* out, PyArena* arena)
expr_ty value;
res = obj2ast_expr(PyList_GET_ITEM(tmp, i), &value, arena);
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, value);
}
Py_CLEAR(tmp);
@ -5502,6 +5638,10 @@ obj2ast_expr(PyObject* obj, expr_ty* out, PyArena* arena)
expr_ty value;
res = obj2ast_expr(PyList_GET_ITEM(tmp, i), &value, arena);
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, value);
}
Py_CLEAR(tmp);
@ -5526,6 +5666,10 @@ obj2ast_expr(PyObject* obj, expr_ty* out, PyArena* arena)
expr_ty value;
res = obj2ast_expr(PyList_GET_ITEM(tmp, i), &value, arena);
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, value);
}
Py_CLEAR(tmp);
@ -5561,6 +5705,10 @@ obj2ast_expr(PyObject* obj, expr_ty* out, PyArena* arena)
expr_ty value;
res = obj2ast_expr(PyList_GET_ITEM(tmp, i), &value, arena);
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, value);
}
Py_CLEAR(tmp);
@ -5608,6 +5756,10 @@ obj2ast_expr(PyObject* obj, expr_ty* out, PyArena* arena)
comprehension_ty value;
res = obj2ast_comprehension(PyList_GET_ITEM(tmp, i), &value, arena);
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, value);
}
Py_CLEAR(tmp);
@ -5655,6 +5807,10 @@ obj2ast_expr(PyObject* obj, expr_ty* out, PyArena* arena)
comprehension_ty value;
res = obj2ast_comprehension(PyList_GET_ITEM(tmp, i), &value, arena);
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, value);
}
Py_CLEAR(tmp);
@ -5714,6 +5870,10 @@ obj2ast_expr(PyObject* obj, expr_ty* out, PyArena* arena)
comprehension_ty value;
res = obj2ast_comprehension(PyList_GET_ITEM(tmp, i), &value, arena);
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, value);
}
Py_CLEAR(tmp);
@ -5761,6 +5921,10 @@ obj2ast_expr(PyObject* obj, expr_ty* out, PyArena* arena)
comprehension_ty value;
res = obj2ast_comprehension(PyList_GET_ITEM(tmp, i), &value, arena);
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, value);
}
Py_CLEAR(tmp);
@ -5874,6 +6038,10 @@ obj2ast_expr(PyObject* obj, expr_ty* out, PyArena* arena)
cmpop_ty value;
res = obj2ast_cmpop(PyList_GET_ITEM(tmp, i), &value, arena);
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, value);
}
Py_CLEAR(tmp);
@ -5898,6 +6066,10 @@ obj2ast_expr(PyObject* obj, expr_ty* out, PyArena* arena)
expr_ty value;
res = obj2ast_expr(PyList_GET_ITEM(tmp, i), &value, arena);
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, value);
}
Py_CLEAR(tmp);
@ -5946,6 +6118,10 @@ obj2ast_expr(PyObject* obj, expr_ty* out, PyArena* arena)
expr_ty value;
res = obj2ast_expr(PyList_GET_ITEM(tmp, i), &value, arena);
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, value);
}
Py_CLEAR(tmp);
@ -5970,6 +6146,10 @@ obj2ast_expr(PyObject* obj, expr_ty* out, PyArena* arena)
keyword_ty value;
res = obj2ast_keyword(PyList_GET_ITEM(tmp, i), &value, arena);
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, value);
}
Py_CLEAR(tmp);
@ -6264,6 +6444,10 @@ obj2ast_expr(PyObject* obj, expr_ty* out, PyArena* arena)
expr_ty value;
res = obj2ast_expr(PyList_GET_ITEM(tmp, i), &value, arena);
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, value);
}
Py_CLEAR(tmp);
@ -6311,6 +6495,10 @@ obj2ast_expr(PyObject* obj, expr_ty* out, PyArena* arena)
expr_ty value;
res = obj2ast_expr(PyList_GET_ITEM(tmp, i), &value, arena);
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, value);
}
Py_CLEAR(tmp);
@ -6476,6 +6664,10 @@ obj2ast_slice(PyObject* obj, slice_ty* out, PyArena* arena)
slice_ty value;
res = obj2ast_slice(PyList_GET_ITEM(tmp, i), &value, arena);
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, value);
}
Py_CLEAR(tmp);
@ -6835,6 +7027,10 @@ obj2ast_comprehension(PyObject* obj, comprehension_ty* out, PyArena* arena)
expr_ty value;
res = obj2ast_expr(PyList_GET_ITEM(tmp, i), &value, arena);
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, value);
}
Py_CLEAR(tmp);
@ -6930,6 +7126,10 @@ obj2ast_excepthandler(PyObject* obj, excepthandler_ty* out, PyArena* arena)
stmt_ty value;
res = obj2ast_stmt(PyList_GET_ITEM(tmp, i), &value, arena);
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, value);
}
Py_CLEAR(tmp);
@ -6976,6 +7176,10 @@ obj2ast_arguments(PyObject* obj, arguments_ty* out, PyArena* arena)
arg_ty value;
res = obj2ast_arg(PyList_GET_ITEM(tmp, i), &value, arena);
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, value);
}
Py_CLEAR(tmp);
@ -7010,6 +7214,10 @@ obj2ast_arguments(PyObject* obj, arguments_ty* out, PyArena* arena)
arg_ty value;
res = obj2ast_arg(PyList_GET_ITEM(tmp, i), &value, arena);
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, value);
}
Py_CLEAR(tmp);
@ -7034,6 +7242,10 @@ obj2ast_arguments(PyObject* obj, arguments_ty* out, PyArena* arena)
expr_ty value;
res = obj2ast_expr(PyList_GET_ITEM(tmp, i), &value, arena);
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, value);
}
Py_CLEAR(tmp);
@ -7068,6 +7280,10 @@ obj2ast_arguments(PyObject* obj, arguments_ty* out, PyArena* arena)
expr_ty value;
res = obj2ast_expr(PyList_GET_ITEM(tmp, i), &value, arena);
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, value);
}
Py_CLEAR(tmp);