rrubocop 0.8.15

10x faster RuboCop drop-in. Same output format and configs, without maintaining RuboCop gems.
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
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127

//! Gemspec/OrderedDependencies — alphabetical gem dependency groups.

use crate::cop::{Cop, CopConfig};
use crate::diagnostic::Diagnostic;
use crate::parse::source::SourceFile;

use super::ordered_dependencies_group::{
    flush_group, line_offsets, try_add_dep, DepEntry,
};

/// ## Corpus investigation (2026-03-03)
///
/// Corpus oracle (run 22651309591) reported FP=0, FN=0. 100% conformance.
pub struct OrderedDependencies;

impl Cop for OrderedDependencies {
    fn name(&self) -> &'static str {
        "Gemspec/OrderedDependencies"
    }

    fn supports_autocorrect(&self) -> bool {
        true
    }

    fn default_include(&self) -> &'static [&'static str] {
        &["**/*.gemspec"]
    }

    fn uses_line_phase(&self) -> bool {
        true
    }

    fn check_lines(
        &self,
        source: &SourceFile,
        config: &CopConfig,
        diagnostics: &mut Vec<Diagnostic>,
        mut corrections: Option<&mut Vec<crate::correction::Correction>>,
    ) {
        let treat_comments = config.get_bool("TreatCommentsAsGroupSeparators", true);
        let consider_punct = config.get_bool("ConsiderPunctuation", false);
        let bytes = source.as_bytes();
        let offsets = line_offsets(source);
        let (_, mut group) = source.lines().enumerate().fold(
            (None, Vec::new()),
            |(mut current_method, mut group), (line_idx, line)| {
                handle_line(
                    self,
                    source,
                    bytes,
                    line,
                    line_idx,
                    offsets[line_idx],
                    treat_comments,
                    consider_punct,
                    &mut current_method,
                    &mut group,
                    diagnostics,
                    &mut corrections,
                );
                (current_method, group)
            },
        );
        flush_group(
            &mut group,
            diagnostics,
            source,
            self,
            &mut corrections,
            bytes,
        );
    }
}

fn handle_line(
    cop: &OrderedDependencies,
    source: &SourceFile,
    bytes: &[u8],
    line: &[u8],
    line_idx: usize,
    range: (usize, usize),
    treat_comments: bool,
    consider_punct: bool,
    current_method: &mut Option<String>,
    group: &mut Vec<DepEntry>,
    diagnostics: &mut Vec<Diagnostic>,
    corrections: &mut Option<&mut Vec<crate::correction::Correction>>,
) {
    let Ok(line_str) = std::str::from_utf8(line) else {
        reset_group(group, diagnostics, source, cop, corrections, bytes, current_method);
        return;
    };
    let trimmed = line_str.trim();
    if trimmed.is_empty() || (trimmed.starts_with('#') && treat_comments) {
        reset_group(group, diagnostics, source, cop, corrections, bytes, current_method);
        return;
    }
    if trimmed.starts_with('#') {
        return;
    }
    let (line_start, line_end) = range;
    if !try_add_dep(
        line_str,
        line_idx,
        line_start,
        line_end,
        current_method,
        group,
        |g| flush_group(g, diagnostics, source, cop, corrections, bytes),
        consider_punct,
    ) {
        reset_group(group, diagnostics, source, cop, corrections, bytes, current_method);
    }
}

fn reset_group(
    group: &mut Vec<DepEntry>,
    diagnostics: &mut Vec<Diagnostic>,
    source: &SourceFile,
    cop: &OrderedDependencies,
    corrections: &mut Option<&mut Vec<crate::correction::Correction>>,
    bytes: &[u8],
    current_method: &mut Option<String>,
) {
    flush_group(group, diagnostics, source, cop, corrections, bytes);
    *current_method = None;
}