emmylua_check 0.25.0

A command-line tool for checking lua code.
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
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
128
129
130
131

use emmylua_code_analysis::{
    EmmyLuaAnalysis, WorkspaceFolder, build_workspace_folders, collect_workspace_files,
    file_path_to_uri, load_configs, uri_to_file_path,
};
use fern::Dispatch;
use log::LevelFilter;
use std::path::{Path, PathBuf};

fn root_from_configs(config_paths: &[PathBuf], fallback: &Path) -> PathBuf {
    if config_paths.len() != 1 {
        fallback.to_path_buf()
    } else {
        let config_path = &config_paths[0];
        // Need to convert to canonical path to ensure parent() is not an empty
        // string in the case the path is a relative basename.
        match config_path.canonicalize() {
            Ok(path) => normalize_local_path(path.parent().unwrap().to_path_buf()),
            Err(err) => {
                log::error!(
                    "Failed to canonicalize config path: \"{:?}\": {}",
                    config_path,
                    err
                );
                fallback.to_path_buf()
            }
        }
    }
}

pub fn setup_logger(verbose: bool) {
    let logger = Dispatch::new()
        .format(move |out, message, record| {
            let (color, reset) = match record.level() {
                log::Level::Error => ("\x1b[31m", "\x1b[0m"), // Red
                log::Level::Warn => ("\x1b[33m", "\x1b[0m"),  // Yellow
                log::Level::Info | log::Level::Debug | log::Level::Trace => ("", ""),
            };
            out.finish(format_args!(
                "{}{}: {}{}",
                color,
                record.level(),
                if verbose {
                    format!("({}) {}", record.target(), message)
                } else {
                    message.to_string()
                },
                reset
            ))
        })
        .level(if verbose {
            LevelFilter::Info
        } else {
            LevelFilter::Warn
        })
        .chain(std::io::stderr());

    if let Err(e) = logger.apply() {
        eprintln!("Failed to apply logger: {:?}", e);
    }
}

pub async fn load_workspace(
    main_path: PathBuf,
    cmd_workspace_folders: Vec<PathBuf>,
    config_paths: Option<Vec<PathBuf>>,
    ignore: Option<Vec<String>>,
) -> Option<EmmyLuaAnalysis> {
    let main_path = normalize_local_path(main_path);
    let cmd_workspace_folders = cmd_workspace_folders
        .into_iter()
        .map(normalize_local_path)
        .collect::<Vec<_>>();

    let (config_files, config_root): (Vec<PathBuf>, PathBuf) =
        if let Some(config_paths) = config_paths {
            (
                config_paths.clone(),
                root_from_configs(&config_paths, &main_path),
            )
        } else {
            (
                vec![
                    main_path.join(".luarc.json"),
                    main_path.join(".emmyrc.json"),
                ]
                .into_iter()
                .filter(|path| path.exists())
                .collect(),
                main_path.clone(),
            )
        };

    let mut emmyrc = load_configs(config_files, None);
    log::info!(
        "Pre processing configurations using root: \"{}\"",
        config_root.display()
    );
    emmyrc.pre_process_emmyrc(&config_root);

    let workspace_folders = cmd_workspace_folders
        .iter()
        .map(|path| WorkspaceFolder::new(path.clone(), false))
        .collect::<Vec<WorkspaceFolder>>();
    let mut analysis = EmmyLuaAnalysis::new();
    analysis.update_config(emmyrc.clone().into());
    analysis.init_std_lib(None);

    let workspace_folders = build_workspace_folders(&workspace_folders, &emmyrc);
    for workspace in &workspace_folders {
        if workspace.is_library {
            analysis.add_library_workspace(workspace);
        } else {
            analysis.add_main_workspace(workspace.root.clone());
        }
    }

    let file_infos = collect_workspace_files(&workspace_folders, &analysis.emmyrc, None, ignore);
    let files = file_infos
        .into_iter()
        .map(|file| file.into_tuple())
        .collect();
    analysis.update_files_by_path(files);
    Some(analysis)
}

pub(crate) fn normalize_local_path(path: PathBuf) -> PathBuf {
    let path = path.canonicalize().unwrap_or(path);
    file_path_to_uri(&path)
        .and_then(|uri| uri_to_file_path(&uri))
        .unwrap_or(path)
}