syntax_data: {"ast_node_type":"other","tokens":[{"end":30,"kind":"keyword","start":0,"text":"arg.cast_to(xlen_reg);"}]}
source_snippet:         arg.cast_to(xlen_reg);
context_before:     } else if is_loongarch_aggregate(arg) {
context_after:         if *avail_gprs >= 1 {