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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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8
src/parser/table_destr.rs
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@ -6,7 +6,7 @@ use crate::ast::{Expr, TableDestr, TablePattern, TablePatternElem};
use super::basic::{ident, space, Error};
pub fn table_pattern_elem() -> impl Parser<char, TablePatternElem, Error = Error> {
pub fn table_pattern_elem() -> impl Parser<char, TablePatternElem, Error = Error> + Clone {
let positional = ident().map(TablePatternElem::Positional);
let named = ident()
@ -25,7 +25,7 @@ pub fn table_pattern_elem() -> impl Parser<char, TablePatternElem, Error = Error
named.or(positional)
}
pub fn table_pattern() -> impl Parser<char, TablePattern, Error = Error> {
pub fn table_pattern() -> impl Parser<char, TablePattern, Error = Error> + Clone {
let elem = space()
.then(table_pattern_elem())
.then(space())
@ -46,8 +46,8 @@ pub fn table_pattern() -> impl Parser<char, TablePattern, Error = Error> {
}
pub fn table_destr(
expr: impl Parser<char, Expr, Error = Error>,
) -> impl Parser<char, TableDestr, Error = Error> {
expr: impl Parser<char, Expr, Error = Error> + Clone,
) -> impl Parser<char, TableDestr, Error = Error> + Clone {
let local = text::keyword("local").ignore_then(space()).or_not();
local