AbleScript/ablescript
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Generalised some lexer functions

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Erin 2021-10-04 23:03:23 +02:00 committed by ondra05
parent 71c5738a6e
commit e47e739e02
1 changed files with 3 additions and 7 deletions
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10
ablescript/src/lexer.rs
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@ -117,7 +117,7 @@ pub enum Token {
// Literals // Literals
/// True, False /// True, False
#[regex("true|false", get_bool)] #[regex("true|false", get_value)]
Bool(bool), Bool(bool),
/// Always, Sometimes, Never /// Always, Sometimes, Never
@ -133,7 +133,7 @@ pub enum Token {
String(String), String(String),
/// Integer /// Integer
#[regex(r"-?[0-9]+", get_int)] #[regex(r"-?[0-9]+", get_value)]
Integer(i32), Integer(i32),
/// A C-complaint identifier /// A C-complaint identifier
@ -151,11 +151,7 @@ pub enum Token {
Error, Error,
} }
fn get_bool(lexer: &mut Lexer<Token>) -> Option<bool> { fn get_value<T: std::str::FromStr>(lexer: &mut Lexer<Token>) -> Option<T> {
lexer.slice().parse().ok()
}
fn get_int(lexer: &mut Lexer<Token>) -> Option<i32> {
lexer.slice().parse().ok() lexer.slice().parse().ok()
} }