Chih-Hung Hsieh | e42c505 | 2020-04-16 10:44:21 -0700 | [diff] [blame] | 1 | pub use self::imp::*; |
| 2 | |
| 3 | #[cfg(feature = "perf-literal")] |
| 4 | mod imp; |
| 5 | |
| 6 | #[allow(missing_docs)] |
| 7 | #[cfg(not(feature = "perf-literal"))] |
| 8 | mod imp { |
| 9 | use syntax::hir::literal::Literals; |
| 10 | |
| 11 | #[derive(Clone, Debug)] |
| 12 | pub struct LiteralSearcher(()); |
| 13 | |
| 14 | impl LiteralSearcher { |
| 15 | pub fn empty() -> Self { |
| 16 | LiteralSearcher(()) |
| 17 | } |
| 18 | |
| 19 | pub fn prefixes(_: Literals) -> Self { |
| 20 | LiteralSearcher(()) |
| 21 | } |
| 22 | |
| 23 | pub fn suffixes(_: Literals) -> Self { |
| 24 | LiteralSearcher(()) |
| 25 | } |
| 26 | |
| 27 | pub fn complete(&self) -> bool { |
| 28 | false |
| 29 | } |
| 30 | |
| 31 | pub fn find(&self, _: &[u8]) -> Option<(usize, usize)> { |
| 32 | unreachable!() |
| 33 | } |
| 34 | |
| 35 | pub fn find_start(&self, _: &[u8]) -> Option<(usize, usize)> { |
| 36 | unreachable!() |
| 37 | } |
| 38 | |
| 39 | pub fn find_end(&self, _: &[u8]) -> Option<(usize, usize)> { |
| 40 | unreachable!() |
| 41 | } |
| 42 | |
| 43 | pub fn is_empty(&self) -> bool { |
| 44 | true |
| 45 | } |
| 46 | |
| 47 | pub fn len(&self) -> usize { |
| 48 | 0 |
| 49 | } |
| 50 | |
| 51 | pub fn approximate_size(&self) -> usize { |
| 52 | 0 |
| 53 | } |
| 54 | } |
| 55 | } |