forked from mirrors/gecko-dev
c5503d7f3e
The main side effect is the upgrade of aho-corasick to 1.1, which contains a SIMD implementation for aarch64. Differential Revision: https://phabricator.services.mozilla.com/D188673
93 lines
2.3 KiB
Rust
93 lines
2.3 KiB
Rust
macro_rules! searcher {
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($name:ident, $re:expr, $haystack:expr) => (
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searcher!($name, $re, $haystack, vec vec![]);
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);
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($name:ident, $re:expr, $haystack:expr, $($steps:expr,)*) => (
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searcher!($name, $re, $haystack, vec vec![$($steps),*]);
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);
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($name:ident, $re:expr, $haystack:expr, $($steps:expr),*) => (
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searcher!($name, $re, $haystack, vec vec![$($steps),*]);
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);
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($name:ident, $re:expr, $haystack:expr, vec $expect_steps:expr) => (
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#[test]
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#[allow(unused_imports)]
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fn $name() {
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use std::str::pattern::{Pattern, Searcher};
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use std::str::pattern::SearchStep::{Match, Reject, Done};
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let re = regex::Regex::new($re).unwrap();
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let mut se = re.into_searcher($haystack);
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let mut got_steps = vec![];
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loop {
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match se.next() {
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Done => break,
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step => { got_steps.push(step); }
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}
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}
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assert_eq!(got_steps, $expect_steps);
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}
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);
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}
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searcher!(searcher_empty_regex_empty_haystack, r"", "", Match(0, 0));
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searcher!(
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searcher_empty_regex,
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r"",
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"ab",
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Match(0, 0),
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Reject(0, 1),
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Match(1, 1),
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Reject(1, 2),
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Match(2, 2)
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);
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searcher!(searcher_empty_haystack, r"\d", "");
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searcher!(searcher_one_match, r"\d", "5", Match(0, 1));
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searcher!(searcher_no_match, r"\d", "a", Reject(0, 1));
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searcher!(
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searcher_two_adjacent_matches,
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r"\d",
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"56",
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Match(0, 1),
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Match(1, 2)
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);
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searcher!(
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searcher_two_non_adjacent_matches,
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r"\d",
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"5a6",
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Match(0, 1),
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Reject(1, 2),
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Match(2, 3)
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);
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searcher!(searcher_reject_first, r"\d", "a6", Reject(0, 1), Match(1, 2));
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searcher!(
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searcher_one_zero_length_matches,
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r"\d*",
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"a1b2",
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Match(0, 0), // ^
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Reject(0, 1), // a
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Match(1, 2), // a1
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Reject(2, 3), // a1b
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Match(3, 4), // a1b2
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);
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searcher!(
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searcher_many_zero_length_matches,
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r"\d*",
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"a1bbb2",
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Match(0, 0), // ^
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Reject(0, 1), // a
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Match(1, 2), // a1
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Reject(2, 3), // a1b
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Match(3, 3), // a1bb
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Reject(3, 4), // a1bb
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Match(4, 4), // a1bbb
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Reject(4, 5), // a1bbb
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Match(5, 6), // a1bbba
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);
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searcher!(
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searcher_unicode,
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r".+?",
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"Ⅰ1Ⅱ2",
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Match(0, 3),
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Match(3, 4),
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Match(4, 7),
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Match(7, 8)
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);
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