{"ast_node_type":"other","tokens":[{"end":63,"kind":"keyword","start":0,"text":"\"read.nsmid\""}]}
                    "read.nsmid" => "__builtin_ptx_read_nsmid",
                    "read.lanemask.lt" => "__builtin_ptx_read_lanemask_lt",
                    "read.nwarpid" => "__builtin_ptx_read_nwarpid",