syntax_data: {"ast_node_type":"other","tokens":[{"end":51,"kind":"keyword","start":0,"text":"if"}]}
source_snippet:                 if arch == InlineAsmArch::RiscV64 {
context_before:             Self::reg => {
context_after:                     types! { _: I8, I16, I32, I64, F16, F32, F64; }