syntax_data: {"ast_node_type":"other","tokens":[{"end":38,"kind":"keyword","start":0,"text":"Self::CSKY(_)"}]}
source_snippet:             Self::CSKY(_) => cb(self),
context_before:             Self::M68k(_) => cb(self),
context_after:             Self::Err => unreachable!("Use of InlineAsmReg::Err"),