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Parse binary operators

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For now, they're all left associative.
This commit is contained in:
Joscha 2022-11-19 12:40:49 +01:00
parent 63f8026007
commit 408219073a
10 changed files with 99 additions and 39 deletions
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10
src/parser/basic.rs
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@ -10,17 +10,17 @@ pub type Error = Simple<char, Span>;
// TODO https://github.com/rust-lang/rust/issues/63063
pub fn inline() -> impl Parser<char, (), Error = Error> {
pub fn inline() -> impl Parser<char, (), Error = Error> + Clone {
filter(|c: &char| c.is_whitespace() && *c != '\n')
.repeated()
.to(())
}
pub fn newline() -> impl Parser<char, (), Error = Error> {
pub fn newline() -> impl Parser<char, (), Error = Error> + Clone {
just('\n').to(())
}
pub fn line() -> impl Parser<char, Line, Error = Error> {
pub fn line() -> impl Parser<char, Line, Error = Error> + Clone {
let empty = newline().to(Line::Empty);
let comment = just('#')
@ -32,7 +32,7 @@ pub fn line() -> impl Parser<char, Line, Error = Error> {
empty.or(comment)
}
pub fn space() -> impl Parser<char, Space, Error = Error> {
pub fn space() -> impl Parser<char, Space, Error = Error> + Clone {
inline()
.ignore_then(line())
.repeated()
@ -40,7 +40,7 @@ pub fn space() -> impl Parser<char, Space, Error = Error> {
.map_with_span(|lines, span| Space { lines, span })
}
pub fn ident() -> impl Parser<char, Ident, Error = Error> {
pub fn ident() -> impl Parser<char, Ident, Error = Error> + Clone {
text::ident().try_map(|name, span| {
if matches!(
&name as &str,