{"ast_node_type":"other","tokens":[{"end":65,"kind":"keyword","start":0,"text":"\"read.gridid\""}]}
                    "read.gridid" => "__builtin_ptx_read_gridid",
                    "read.clock64" => "__builtin_ptx_read_clock64",
                    "read.laneid" => "__builtin_ptx_read_laneid",