Parse ident

src/parser.rs

@@ -1,37 +1,11 @@
 use chumsky::prelude::*;
 
-#[derive(Debug)]
+use crate::ast::Ident;
-pub enum Lit {
+
-    Num(i64),
+fn ident() -> impl Parser<char, Ident, Error = Simple<char>> {
+    text::ident().map(Ident)
 }
 
-fn lit_num() -> impl Parser<char, i64, Error = Simple<char>> {
+pub fn parser() -> impl Parser<char, Ident, Error = Simple<char>> {
-    let sign = just('+')
+    ident().padded().then_ignore(end())
-        .or(just('-'))
-        .or_not()
-        .map(|s| if s == Some('-') { -1_i128 } else { 1_i128 });
-
-    let digits = text::int(10);
-
-    sign.then(digits).try_map(|(sign, digits), span| {
-        // u64::MIN and u32::MAX have 19 digits in base 10
-        if digits.len() > 19 {
-            return Err(Simple::custom(span, "number out of range"));
-        }
-
-        let number = sign * digits.parse::<i128>().unwrap();
-        if number < i64::MIN.into() || number > u64::MAX.into() {
-            return Err(Simple::custom(span, "number out of range"));
-        }
-
-        Ok(number as i64)
-    })
-}
-
-fn lit() -> impl Parser<char, Lit, Error = Simple<char>> {
-    lit_num().map(Lit::Num)
-}
-
-pub fn parser() -> impl Parser<char, Lit, Error = Simple<char>> {
-    lit().padded().then_ignore(end())
 }