only-syntax 0.0.5

Syntax parsing and CST construction for the only task language.
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

use only_syntax::{SyntaxKind, lex};

#[test]
fn lexes_directive_task_and_trivia() {
    let tokens = lex("!echo true\nbuild():\n    echo hi\n");
    let kinds: Vec<_> = tokens.iter().map(|token| token.kind).collect();

    assert!(kinds.contains(&SyntaxKind::Bang));
    assert!(kinds.contains(&SyntaxKind::Ident));
    assert!(kinds.contains(&SyntaxKind::Newline));
    assert!(kinds.contains(&SyntaxKind::Indent));
    assert!(tokens.iter().any(|token| token.text.as_str() == "build"));
}

#[test]
fn keeps_comment_and_unknown_tokens() {
    let tokens = lex("% doc\n# tail\n@\n");
    assert!(tokens.iter().any(|token| token.kind == SyntaxKind::Percent));
    assert!(tokens.iter().any(|token| token.kind == SyntaxKind::Comment));
    assert!(tokens.iter().any(|token| token.kind == SyntaxKind::At));
}

#[test]
fn lexes_crlf_as_newlines_without_unknown_tokens() {
    let tokens = lex("!echo true\r\n\r\nbuild():\r\n    echo hi\r\n");
    let kinds: Vec<_> = tokens.iter().map(|token| token.kind).collect();

    assert_eq!(
        kinds
            .iter()
            .filter(|kind| **kind == SyntaxKind::Newline)
            .count(),
        4
    );
    assert!(!kinds.contains(&SyntaxKind::Unknown));
}