Regular-Expresso Changeset - 6f7aa78a47f7

Changeset - 6f7aa78a47f7

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Laman - 10 months ago 2024-06-11 22:33:48

added a proper START constant

1 file changed with 6 insertions and 4 deletions:

src/main.rs

6

4

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src/main.rs

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 use std::collections::{HashMap, HashSet};
 const START: usize = usize::MAX;
 trait Token {
 	fn is_skippable(&self) -> bool {false}
 	fn list_first(&self) -> Vec<usize>;
@@ @@ -130,8 +132,8 @@ fn parse(pattern: &String, offset: usize @@
 				i = j+1;
+			}
 			'*' => {
 				let segment = res.pop().unwrap();
 				res.push(Box::new(Asterisk{content: segment}));
 				let token = res.pop().unwrap();
 				res.push(Box::new(Asterisk{content: token}));
 				i += 1;
+			}
 			c => {
@@ @@ -157,7 +159,7 @@ impl Regexp { @@
 		for i in r.list_first() {
 			let c = pattern_chars[i];
-			let key = (99, c);
+			let key = (START, c);
 			match rules.get_mut(&key) {
 				Some(set) => {set.insert(i);},
 				None => {rules.insert(key, HashSet::from([i]));}
@@ @@ -179,7 +181,7 @@ impl Regexp { @@
+	}
 	pub fn eval(&self, s: String) -> bool {
-		let mut multistate = HashSet::from([99]);
+		let mut multistate = HashSet::from([START]);
 		for c in s.chars() {
 			let mut new_multistate = HashSet::new();

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