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Parse arithmetic and logical negation

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This commit is contained in:
Joscha 2022-11-19 11:58:52 +01:00
parent 4be5283204
commit 63f8026007
3 changed files with 69 additions and 3 deletions
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8
src/parser/expr.rs
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@ -6,6 +6,7 @@ use crate::ast::Expr;
use super::basic::{space, Error};
use super::lit::lit;
use super::prefix::prefixed;
use super::suffix::suffixed;
use super::table_constr::table_constr;
use super::table_destr::table_destr;
@ -34,13 +35,14 @@ fn atom(
let var = var(expr.clone()).map(Expr::Var);
let table_constr = table_constr(expr.clone()).map(Expr::TableConstr);
let table_destr = table_destr(expr.clone()).map(Expr::TableDestr);
let paren = atom_paren(expr);
let paren = atom_paren(expr.clone());
lit.or(paren).or(table_destr).or(table_constr).or(var)
let base = lit.or(paren).or(table_destr).or(table_constr).or(var);
prefixed(suffixed(base, expr))
}
pub fn expr(
expr: impl Parser<char, Expr, Error = Error> + Clone,
) -> impl Parser<char, Expr, Error = Error> {
suffixed(atom(expr.clone()), expr)
atom(expr)
}