luau-syntax 0.732.0

Luau lexer, parser, AST, CST, and source utilities
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45

use super::*;

// Parser.test.cpp: parse_if_else_expression
#[test]
fn parse_if_else_expression() {
    with_first_return_value("return if true then 1 else 2", |expression| {
        assert!(matches!(expression.kind(), ExpressionKind::If { .. }));
    });

    with_first_return_value(
        "return if true then 1 elseif true then 2 else 3",
        |elseif| {
            let ExpressionKind::If {
                else_expression, ..
            } = elseif.kind()
            else {
                panic!("expected if expression");
            };
            assert!(matches!(else_expression.kind(), ExpressionKind::If { .. }));
        },
    );

    with_first_return_value(
        "return if true then 1 else if true then 2 else 3",
        |else_if| {
            let ExpressionKind::If {
                else_expression, ..
            } = else_if.kind()
            else {
                panic!("expected if expression");
            };
            assert!(matches!(else_expression.kind(), ExpressionKind::If { .. }));
        },
    );

    with_first_return_value(
        "return if if true then false else true then 1 else 2",
        |nested_condition| {
            let ExpressionKind::If { condition, .. } = nested_condition.kind() else {
                panic!("expected if expression");
            };
            assert!(matches!(condition.kind(), ExpressionKind::If { .. }));
        },
    );
}