syntax_data: {"ast_node_type":"variable","tokens":[{"end":114,"kind":"keyword","start":0,"text":"if"}]}
source_snippet:                         if let Some(set) = _map.get_mut(&InlineAsmRegClass::$arch($arch_regclass::$extra_class)) {
context_before:                     $(
context_after:                             set.insert(InlineAsmReg::$arch($arch_reg::$reg));