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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:06:37 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:06:37 +0000 |
commit | 246f239d9f40f633160f0c18f87a20922d4e77bb (patch) | |
tree | 5a88572663584b3d4d28e5a20e10abab1be40884 /vendor/pest/src/position.rs | |
parent | Releasing progress-linux version 1.64.0+dfsg1-1~progress7.99u1. (diff) | |
download | rustc-246f239d9f40f633160f0c18f87a20922d4e77bb.tar.xz rustc-246f239d9f40f633160f0c18f87a20922d4e77bb.zip |
Merging debian version 1.65.0+dfsg1-2.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'vendor/pest/src/position.rs')
-rw-r--r-- | vendor/pest/src/position.rs | 81 |
1 files changed, 37 insertions, 44 deletions
diff --git a/vendor/pest/src/position.rs b/vendor/pest/src/position.rs index 76e3383ba..c76589856 100644 --- a/vendor/pest/src/position.rs +++ b/vendor/pest/src/position.rs @@ -7,17 +7,17 @@ // option. All files in the project carrying such notice may not be copied, // modified, or distributed except according to those terms. -use std::cmp::Ordering; -use std::fmt; -use std::hash::{Hash, Hasher}; -use std::ops::Range; -use std::ptr; -use std::str; +use core::cmp::Ordering; +use core::fmt; +use core::hash::{Hash, Hasher}; +use core::ops::Range; +use core::ptr; +use core::str; -use span; +use crate::span; /// A cursor position in a `&str` which provides useful methods to manually parse that string. -#[derive(Clone)] +#[derive(Clone, Copy)] pub struct Position<'i> { input: &'i str, /// # Safety: @@ -49,7 +49,6 @@ impl<'i> Position<'i> { /// assert_eq!(Position::new(heart, 1), None); /// assert_ne!(Position::new(heart, cheart.len_utf8()), None); /// ``` - #[allow(clippy::new_ret_no_self)] pub fn new(input: &str, pos: usize) -> Option<Position> { input.get(pos..).map(|_| Position { input, pos }) } @@ -318,6 +317,14 @@ impl<'i> Position<'i> { false } + /// Matches the char at the `Position` against a specified character and returns `true` if a match + /// was made. If no match was made, returns `false`. + /// `pos` will not be updated in either case. + #[inline] + pub(crate) fn match_char(&self, c: char) -> bool { + matches!(self.input[self.pos..].chars().next(), Some(cc) if c == cc) + } + /// Matches the char at the `Position` against a filter function and returns `true` if a match /// was made. If no match was made, returns `false` and `pos` will not be updated. #[inline] @@ -427,23 +434,21 @@ impl<'i> Hash for Position<'i> { #[cfg(test)] mod tests { - use std::collections::HashSet; - use super::*; #[test] fn empty() { let input = ""; - assert_eq!(Position::new(input, 0).unwrap().match_string(""), true); - assert_eq!(!Position::new(input, 0).unwrap().match_string("a"), true); + assert!(Position::new(input, 0).unwrap().match_string("")); + assert!(!Position::new(input, 0).unwrap().match_string("a")); } #[test] fn parts() { let input = "asdasdf"; - assert_eq!(Position::new(input, 0).unwrap().match_string("asd"), true); - assert_eq!(Position::new(input, 3).unwrap().match_string("asdf"), true); + assert!(Position::new(input, 0).unwrap().match_string("asd")); + assert!(Position::new(input, 3).unwrap().match_string("asdf")); } #[test] @@ -530,23 +535,23 @@ mod tests { let input = "ab ac"; let pos = Position::from_start(input); - let mut test_pos = pos.clone(); + let mut test_pos = pos; test_pos.skip_until(&["a", "b"]); assert_eq!(test_pos.pos(), 0); - test_pos = pos.clone(); + test_pos = pos; test_pos.skip_until(&["b"]); assert_eq!(test_pos.pos(), 1); - test_pos = pos.clone(); + test_pos = pos; test_pos.skip_until(&["ab"]); assert_eq!(test_pos.pos(), 0); - test_pos = pos.clone(); + test_pos = pos; test_pos.skip_until(&["ac", "z"]); assert_eq!(test_pos.pos(), 3); - test_pos = pos.clone(); + test_pos = pos; assert!(!test_pos.skip_until(&["z"])); assert_eq!(test_pos.pos(), 5); } @@ -555,41 +560,26 @@ mod tests { fn match_range() { let input = "b"; - assert_eq!(Position::new(input, 0).unwrap().match_range('a'..'c'), true); - assert_eq!(Position::new(input, 0).unwrap().match_range('b'..'b'), true); - assert_eq!( - !Position::new(input, 0).unwrap().match_range('a'..'a'), - true - ); - assert_eq!( - !Position::new(input, 0).unwrap().match_range('c'..'c'), - true - ); - assert_eq!( - Position::new(input, 0).unwrap().match_range('a'..'嗨'), - true - ); + assert!(Position::new(input, 0).unwrap().match_range('a'..'c')); + assert!(Position::new(input, 0).unwrap().match_range('b'..'b')); + assert!(!Position::new(input, 0).unwrap().match_range('a'..'a')); + assert!(!Position::new(input, 0).unwrap().match_range('c'..'c')); + assert!(Position::new(input, 0).unwrap().match_range('a'..'嗨')); } #[test] fn match_insensitive() { let input = "AsdASdF"; - assert_eq!( - Position::new(input, 0).unwrap().match_insensitive("asd"), - true - ); - assert_eq!( - Position::new(input, 3).unwrap().match_insensitive("asdf"), - true - ); + assert!(Position::new(input, 0).unwrap().match_insensitive("asd")); + assert!(Position::new(input, 3).unwrap().match_insensitive("asdf")); } #[test] fn cmp() { let input = "a"; let start = Position::from_start(input); - let mut end = start.clone(); + let mut end = start; assert!(end.skip(1)); let result = start.cmp(&end); @@ -605,11 +595,14 @@ mod tests { let pos1 = Position::from_start(input1); let pos2 = Position::from_start(input2); - pos1.cmp(&pos2); + let _ = pos1.cmp(&pos2); } #[test] + #[cfg(feature = "std")] fn hash() { + use std::collections::HashSet; + let input = "a"; let start = Position::from_start(input); let mut positions = HashSet::new(); |