kotlin_parser/parse/expression/
while_expr.rs

1use crate::ast::*;
2use chumsky::prelude::*;
3
4use super::call::block_parser;
5
6pub fn while_expr_parser<'a>(
7    stmt_parser: impl Parser<char, Statement, Error = Simple<char>> + Clone + 'a,
8    expr_parser: impl Parser<char, Expression, Error = Simple<char>> + 'a,
9) -> impl Parser<char, Expression, Error = Simple<char>> + 'a {
10    let condition = just("while")
11        .padded()
12        .ignore_then(
13            expr_parser.delimited_by(just('(').padded(), just(')').padded()),
14        )
15        .boxed();
16
17    let while_loop = condition.clone().then(block_parser(stmt_parser.clone()));
18    let do_while = just("do")
19        .padded()
20        .ignore_then(block_parser(stmt_parser))
21        .then(condition);
22
23    choice((
24        while_loop.map(|(expr, body)| {
25            Expression::While(WhileExpression {
26                expr: expr.into(),
27                body,
28                is_do_while: false,
29            })
30        }),
31        do_while.map(|(body, expr)| {
32            Expression::While(WhileExpression {
33                expr: expr.into(),
34                body,
35                is_do_while: true,
36            })
37        }),
38    ))
39}
kotlin_parser/parse/expression/while_expr.rs

kotlin_parser/parse/expression/
while_expr.rs
