7 use crate::hir::visitor::{self, Visitor};
8 use crate::hir::{self, Hir, HirKind};
67     pub fn print<W: fmt::Write>(&mut self, hir: &Hir, wtr: W) -> fmt::Result {  in print()
68         visitor::visit(hir, Writer { wtr })  in print()
85     fn visit_pre(&mut self, hir: &Hir) -> fmt::Result {  in visit_pre()
86         match *hir.kind() {  in visit_pre()
91             HirKind::Literal(hir::Literal::Unicode(c)) => {  in visit_pre()
94             HirKind::Literal(hir::Literal::Byte(b)) => {  in visit_pre()
97             HirKind::Class(hir::Class::Unicode(ref cls)) => {  in visit_pre()
110             HirKind::Class(hir::Class::Bytes(ref cls)) => {  in visit_pre()
123             HirKind::Anchor(hir::Anchor::StartLine) => {  in visit_pre()
126             HirKind::Anchor(hir::Anchor::EndLine) => {  in visit_pre()
129             HirKind::Anchor(hir::Anchor::StartText) => {  in visit_pre()
132             HirKind::Anchor(hir::Anchor::EndText) => {  in visit_pre()
135             HirKind::WordBoundary(hir::WordBoundary::Unicode) => {  in visit_pre()
138             HirKind::WordBoundary(hir::WordBoundary::UnicodeNegate) => {  in visit_pre()
141             HirKind::WordBoundary(hir::WordBoundary::Ascii) => {  in visit_pre()
144             HirKind::WordBoundary(hir::WordBoundary::AsciiNegate) => {  in visit_pre()
148                 hir::GroupKind::CaptureIndex(_) => {  in visit_pre()
151                 hir::GroupKind::CaptureName { ref name, .. } => {  in visit_pre()
154                 hir::GroupKind::NonCapturing => {  in visit_pre()
162     fn visit_post(&mut self, hir: &Hir) -> fmt::Result {  in visit_post()
163         match *hir.kind() {  in visit_post()
174                     hir::RepetitionKind::ZeroOrOne => {  in visit_post()
177                     hir::RepetitionKind::ZeroOrMore => {  in visit_post()
180                     hir::RepetitionKind::OneOrMore => {  in visit_post()
183                     hir::RepetitionKind::Range(ref x) => match *x {  in visit_post()
184                         hir::RepetitionRange::Exactly(m) => {  in visit_post()
187                         hir::RepetitionRange::AtLeast(m) => {  in visit_post()
190                         hir::RepetitionRange::Bounded(m, n) => {  in visit_post()
257         let hir = builder.build().parse(given).unwrap();  localVariable
261         printer.print(&hir, &mut dst).unwrap();