syntax_data: {"ast_node_type":"other","tokens":[{"end":37,"kind":"keyword","start":0,"text":"match"}]}
source_snippet:     match matches.opt_str("target") {
context_before: pub fn parse_target_triple(early_dcx: &EarlyDiagCtxt, matches: &getopts::Matches) -> TargetTuple {
context_after:         Some(target) if target.ends_with(".json") => {