Execute the backtracking matching engine. If there's a match, `exec` returns `true` and populates the given captures accordingly.
(
prog: &'r Program,
cache: &ProgramCache,
matches: &'m mut [bool],
slots: &'s mut [Slot],
input: I,
start: usize,
end: usize,
)
| 92 | /// If there's a match, `exec` returns `true` and populates the given |
| 93 | /// captures accordingly. |
| 94 | pub fn exec( |
| 95 | prog: &'r Program, |
| 96 | cache: &ProgramCache, |
| 97 | matches: &'m mut [bool], |
| 98 | slots: &'s mut [Slot], |
| 99 | input: I, |
| 100 | start: usize, |
| 101 | end: usize, |
| 102 | ) -> bool { |
| 103 | let mut cache = cache.borrow_mut(); |
| 104 | let cache = &mut cache.backtrack; |
| 105 | let start = input.at(start); |
| 106 | let mut b = Bounded { |
| 107 | prog: prog, |
| 108 | input: input, |
| 109 | matches: matches, |
| 110 | slots: slots, |
| 111 | m: cache, |
| 112 | }; |
| 113 | b.exec_(start, end) |
| 114 | } |
| 115 | |
| 116 | /// Clears the cache such that the backtracking engine can be executed |
| 117 | /// on some input of fixed length. |