Message 358952 - Python tracker (original) (raw)

We can probably implement something like this to prevent this happening diff --git a/Parser/asdl_c.py b/Parser/asdl_c.py index daac0966f5..f9da52da7f 100755 --- a/Parser/asdl_c.py +++ b/Parser/asdl_c.py @@ -559,6 +559,11 @@ class Obj2ModVisitor(PickleVisitor): self.emit("asdl_seq_SET(%s, i, val);" % field.name, depth+2) self.emit("}", depth+1) else:

•        self.emit("if (obj == tmp) {", depth+1)

•        self.emit("PyErr_SetString(PyExc_RuntimeError, \"Recursing fields "

•                  "are not supported for AST nodes.\");", depth+2, reflow=False)

•        self.emit("goto failed;", depth+2)

•        self.emit("}", depth+1)
         self.emit("res = obj2ast_%s(tmp, &%s, arena);" %
                   (field.type, field.name), depth+1)
         self.emit("if (res != 0) goto failed;", depth+1)