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d9ca529356
libripgrep is not any one library, but rather, a collection of libraries that roughly separate the following key distinct phases in a grep implementation: 1. Pattern matching (e.g., by a regex engine). 2. Searching a file using a pattern matcher. 3. Printing results. Ultimately, both (1) and (3) are defined by de-coupled interfaces, of which there may be multiple implementations. Namely, (1) is satisfied by the `Matcher` trait in the `grep-matcher` crate and (3) is satisfied by the `Sink` trait in the `grep2` crate. The searcher (2) ties everything together and finds results using a matcher and reports those results using a `Sink` implementation. Closes #162
25 lines
684 B
Rust
25 lines
684 B
Rust
#[cfg(test)]
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#[macro_export]
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macro_rules! assert_eq_printed {
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($expected:expr, $got:expr, $($tt:tt)*) => {
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let expected = &*$expected;
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let got = &*$got;
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let label = format!($($tt)*);
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if expected != got {
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panic!("
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printed outputs differ! (label: {})
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expected:
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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{}
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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got:
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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{}
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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", label, expected, got);
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}
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}
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}
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