bendns' repos / helix
Unnamed repository; edit this file 'description' to name the repository. 
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; Variables

((identifier) @variable)

; Includes

[
  "include"
  "cpp_include"
] @keyword

; Function

(function_definition
  (identifier) @function)

; Fields

(field (identifier) @variable.other.member)

; Parameters

(function_definition
  (parameters
    (parameter (identifier) @variable.parameter)))

(throws
  (parameters
    (parameter (identifier) @keyword.control.exception)))

; Types

(typedef_identifier) @type
(struct_definition
  "struct" (identifier) @type)

(union_definition
  "union" (identifier) @type)

(exception_definition
  "exception" (identifier) @type)

(service_definition
  "service" (identifier) @type)

(interaction_definition
  "interaction" (identifier) @type)

(type
  type: (identifier) @type)

(definition_type
  type: (identifier) @type)

; Constants

(const_definition (identifier) @constant)

(enum_definition "enum"
  . (identifier) @type
  "{" (identifier) @constant "}")

; Builtin Types

(primitive) @type.builtin

[
  "list"
  "map"
  "set"
  "sink"
  "stream"
  "void"
] @type.builtin

; Namespace

(namespace_declaration
  (namespace_scope) @tag
  [(namespace) @namespace (_ (identifier) @namespace)])

; Attributes

(annotation_definition
  (annotation_identifier (identifier) @attribute))
(fb_annotation_definition
  "@" @attribute (annotation_identifier (identifier) @attribute)
  (identifier)? @attribute)
(namespace_uri (string) @attribute)

; Operators

[
  "="
  "&"
] @operator

; Exceptions

[
  "throws"
] @keyword.control.exception

; Keywords

[
  "enum"
  "exception"
  "extends"
  "interaction"
  "namespace"
  "senum"
  "service"
  "struct"
  "typedef"
  "union"
  "uri"
] @keyword

; Deprecated Keywords

[
  "cocoa_prefix"
  "cpp_namespace"
  "csharp_namespace"
  "delphi_namespace"
  "java_package"
  "perl_package"
  "php_namespace"
  "py_module"
  "ruby_namespace"
  "smalltalk_category"
  "smalltalk_prefix"
  "xsd_all"
  "xsd_attrs"
  "xsd_namespace"
  "xsd_nillable"
  "xsd_optional"
] @keyword

; Extended Keywords
[
  "package"
  "performs"
] @keyword

[
  "async"
  "oneway"
] @keyword

; Qualifiers

[
  "client"
  "const"
  "idempotent"
  "optional"
  "permanent"
  "readonly"
  "required"
  "safe"
  "server"
  "stateful"
  "transient"
] @type.directive

; Literals

(string) @string

(escape_sequence) @constant.character.escape

(namespace_uri
  (string) @string.special)

(number) @constant.numeric.integer

(double) @constant.numeric.float

(boolean) @constant.builtin.boolean

; Typedefs

(typedef_identifier) @type.definition

; Punctuation

[
  "*"
] @punctuation.special

["{" "}"] @punctuation.bracket

["(" ")"] @punctuation.bracket

["[" "]"] @punctuation.bracket

["<" ">"] @punctuation.bracket

[
  "."
  ","
  ";"
  ":"
] @punctuation.delimiter

; Comments

(comment) @comment
id='n357' href='#n357'>357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 
use crate::config::{Config, ConfigLoadError};
use crossterm::{
    style::{Color, Print, Stylize},
    tty::IsTty,
};
use helix_core::config::{default_lang_config, user_lang_config};
use helix_loader::grammar::load_runtime_file;
use std::io::Write;

#[derive(Copy, Clone)]
pub enum TsFeature {
    Highlight,
    TextObject,
    AutoIndent,
}

impl TsFeature {
    pub fn all() -> &'static [Self] {
        &[Self::Highlight, Self::TextObject, Self::AutoIndent]
    }

    pub fn runtime_filename(&self) -> &'static str {
        match *self {
            Self::Highlight => "highlights.scm",
            Self::TextObject => "textobjects.scm",
            Self::AutoIndent => "indents.scm",
        }
    }

    pub fn long_title(&self) -> &'static str {
        match *self {
            Self::Highlight => "Syntax Highlighting",
            Self::TextObject => "Treesitter Textobjects",
            Self::AutoIndent => "Auto Indent",
        }
    }

    pub fn short_title(&self) -> &'static str {
        match *self {
            Self::Highlight => "Highlight",
            Self::TextObject => "Textobject",
            Self::AutoIndent => "Indent",
        }
    }
}

/// Display general diagnostics.
pub fn general() -> std::io::Result<()> {
    let stdout = std::io::stdout();
    let mut stdout = stdout.lock();

    let config_file = helix_loader::config_file();
    let lang_file = helix_loader::lang_config_file();
    let log_file = helix_loader::log_file();
    let rt_dirs = helix_loader::runtime_dirs();

    if config_file.exists() {
        writeln!(stdout, "Config file: {}", config_file.display())?;
    } else {
        writeln!(stdout, "Config file: default")?;
    }
    if lang_file.exists() {
        writeln!(stdout, "Language file: {}", lang_file.display())?;
    } else {
        writeln!(stdout, "Language file: default")?;
    }
    writeln!(stdout, "Log file: {}", log_file.display())?;
    writeln!(
        stdout,
        "Runtime directories: {}",
        rt_dirs
            .iter()
            .map(|d| d.to_string_lossy())
            .collect::<Vec<_>>()
            .join(";")
    )?;
    for rt_dir in rt_dirs.iter() {
        if let Ok(path) = std::fs::read_link(rt_dir) {
            let msg = format!(
                "Runtime directory {} is symlinked to: {}",
                rt_dir.display(),
                path.display()
            );
            writeln!(stdout, "{}", msg.yellow())?;
        }
        if !rt_dir.exists() {
            let msg = format!("Runtime directory does not exist: {}", rt_dir.display());
            writeln!(stdout, "{}", msg.yellow())?;
        } else if rt_dir.read_dir().ok().map(|it| it.count()) == Some(0) {
            let msg = format!("Runtime directory is empty: {}", rt_dir.display());
            writeln!(stdout, "{}", msg.yellow())?;
        }
    }

    Ok(())
}

pub fn clipboard() -> std::io::Result<()> {
    let stdout = std::io::stdout();
    let mut stdout = stdout.lock();

    let config = match Config::load_default() {
        Ok(config) => config,
        Err(ConfigLoadError::Error(err)) if err.kind() == std::io::ErrorKind::NotFound => {
            Config::default()
        }
        Err(err) => {
            writeln!(stdout, "{}", "Configuration file malformed".red())?;
            writeln!(stdout, "{}", err)?;
            return Ok(());
        }
    };

    match config.editor.clipboard_provider.name().as_ref() {
        "none" => {
            writeln!(
                stdout,
                "{}",
                "System clipboard provider: Not installed".red()
            )?;
            writeln!(
                stdout,
                "    {}",
                "For troubleshooting system clipboard issues, refer".red()
            )?;
            writeln!(stdout, "    {}",
                "https://github.com/helix-editor/helix/wiki/Troubleshooting#copypaste-fromto-system-clipboard-not-working"
            .red().underlined())?;
        }
        name => writeln!(stdout, "System clipboard provider: {}", name)?,
    }

    Ok(())
}

pub fn languages_all() -> std::io::Result<()> {
    let stdout = std::io::stdout();
    let mut stdout = stdout.lock();

    let mut syn_loader_conf = match user_lang_config() {
        Ok(conf) => conf,
        Err(err) => {
            let stderr = std::io::stderr();
            let mut stderr = stderr.lock();

            writeln!(
                stderr,
                "{}: {}",
                "Error parsing user language config".red(),
                err
            )?;
            writeln!(stderr, "{}", "Using default language config".yellow())?;
            default_lang_config()
        }
    };

    let mut headings = vec!["Language", "LSP", "DAP", "Formatter"];

    for feat in TsFeature::all() {
        headings.push(feat.short_title())
    }

    let terminal_cols = crossterm::terminal::size().map(|(c, _)| c).unwrap_or(80);
    let column_width = terminal_cols as usize / headings.len();
    let is_terminal = std::io::stdout().is_tty();

    let column = |item: &str, color: Color| {
        let mut data = format!(
            "{:width$}",
            item.get(..column_width - 2)
                .map(|s| format!("{}…", s))
                .unwrap_or_else(|| item.to_string()),
            width = column_width,
        );
        if is_terminal {
            data = data.stylize().with(color).to_string();
        }

        // We can't directly use println!() because of
        // https://github.com/crossterm-rs/crossterm/issues/589
        let _ = crossterm::execute!(std::io::stdout(), Print(data));
    };

    for heading in headings {
        column(heading, Color::White);
    }
    writeln!(stdout)?;

    syn_loader_conf
        .language
        .sort_unstable_by_key(|l| l.language_id.clone());

    let check_binary = |cmd: Option<&str>| match cmd {
        Some(cmd) => match helix_stdx::env::which(cmd) {
            Ok(_) => column(&format!("✓ {}", cmd), Color::Green),
            Err(_) => column(&format!("✘ {}", cmd), Color::Red),
        },
        None => column("None", Color::Yellow),
    };

    for lang in &syn_loader_conf.language {
        column(&lang.language_id, Color::Reset);

        let mut cmds = lang.language_servers.iter().filter_map(|ls| {
            syn_loader_conf
                .language_server
                .get(&ls.name)
                .map(|config| config.command.as_str())
        });
        check_binary(cmds.next());

        let dap = lang.debugger.as_ref().map(|dap| dap.command.as_str());
        check_binary(dap);

        let formatter = lang
            .formatter
            .as_ref()
            .map(|formatter| formatter.command.as_str());
        check_binary(formatter);

        for ts_feat in TsFeature::all() {
            match load_runtime_file(&lang.language_id, ts_feat.runtime_filename()).is_ok() {
                true => column("✓", Color::Green),
                false => column("✘", Color::Red),
            }
        }

        writeln!(stdout)?;

        for cmd in cmds {
            column("", Color::Reset);
            check_binary(Some(cmd));
            writeln!(stdout)?;
        }
    }

    Ok(())
}

/// Display diagnostics pertaining to a particular language (LSP,
/// highlight queries, etc).
pub fn language(lang_str: String) -> std::io::Result<()> {
    let stdout = std::io::stdout();
    let mut stdout = stdout.lock();

    let syn_loader_conf = match user_lang_config() {
        Ok(conf) => conf,
        Err(err) => {
            let stderr = std::io::stderr();
            let mut stderr = stderr.lock();

            writeln!(
                stderr,
                "{}: {}",
                "Error parsing user language config".red(),
                err
            )?;
            writeln!(stderr, "{}", "Using default language config".yellow())?;
            default_lang_config()
        }
    };

    let lang = match syn_loader_conf
        .language
        .iter()
        .find(|l| l.language_id == lang_str)
    {
        Some(l) => l,
        None => {
            let msg = format!("Language '{}' not found", lang_str);
            writeln!(stdout, "{}", msg.red())?;
            let suggestions: Vec<&str> = syn_loader_conf
                .language
                .iter()
                .filter(|l| l.language_id.starts_with(lang_str.chars().next().unwrap()))
                .map(|l| l.language_id.as_str())
                .collect();
            if !suggestions.is_empty() {
                let suggestions = suggestions.join(", ");
                writeln!(
                    stdout,
                    "Did you mean one of these: {} ?",
                    suggestions.yellow()
                )?;
            }
            return Ok(());
        }
    };

    probe_protocols(
        "language server",
        lang.language_servers
            .iter()
            .filter_map(|ls| syn_loader_conf.language_server.get(&ls.name))
            .map(|config| config.command.as_str()),
    )?;

    probe_protocol(
        "debug adapter",
        lang.debugger.as_ref().map(|dap| dap.command.to_string()),
    )?;

    probe_protocol(
        "formatter",
        lang.formatter
            .as_ref()
            .map(|formatter| formatter.command.to_string()),
    )?;

    for ts_feat in TsFeature::all() {
        probe_treesitter_feature(&lang_str, *ts_feat)?
    }

    Ok(())
}

/// Display diagnostics about multiple LSPs and DAPs.
fn probe_protocols<'a, I: Iterator<Item = &'a str> + 'a>(
    protocol_name: &str,
    server_cmds: I,
) -> std::io::Result<()> {
    let stdout = std::io::stdout();
    let mut stdout = stdout.lock();
    let mut server_cmds = server_cmds.peekable();

    write!(stdout, "Configured {}s:", protocol_name)?;
    if server_cmds.peek().is_none() {
        writeln!(stdout, "{}", " None".yellow())?;
        return Ok(());
    }
    writeln!(stdout)?;

    for cmd in server_cmds {
        let (path, icon) = match helix_stdx::env::which(cmd) {
            Ok(path) => (path.display().to_string().green(), "✓".green()),
            Err(_) => (format!("'{}' not found in $PATH", cmd).red(), "✘".red()),
        };
        writeln!(stdout, "  {} {}: {}", icon, cmd, path)?;
    }

    Ok(())
}

/// Display diagnostics about LSP and DAP.
fn probe_protocol(protocol_name: &str, server_cmd: Option<String>) -> std::io::Result<()> {
    let stdout = std::io::stdout();
    let mut stdout = stdout.lock();

    let cmd_name = match server_cmd {
        Some(ref cmd) => cmd.as_str().green(),
        None => "None".yellow(),
    };
    writeln!(stdout, "Configured {}: {}", protocol_name, cmd_name)?;

    if let Some(cmd) = server_cmd {
        let path = match helix_stdx::env::which(&cmd) {
            Ok(path) => path.display().to_string().green(),
            Err(_) => format!("'{}' not found in $PATH", cmd).red(),
        };
        writeln!(stdout, "Binary for {}: {}", protocol_name, path)?;
    }

    Ok(())
}

/// Display diagnostics about a feature that requires tree-sitter
/// query files (highlights, textobjects, etc).
fn probe_treesitter_feature(lang: &str, feature: TsFeature) -> std::io::Result<()> {
    let stdout = std::io::stdout();
    let mut stdout = stdout.lock();

    let found = match load_runtime_file(lang, feature.runtime_filename()).is_ok() {
        true => "✓".green(),
        false => "✘".red(),
    };
    writeln!(stdout, "{} queries: {}", feature.short_title(), found)?;

    Ok(())
}

pub fn print_health(health_arg: Option<String>) -> std::io::Result<()> {
    match health_arg.as_deref() {
        Some("languages") => languages_all()?,
        Some("clipboard") => clipboard()?,
        None | Some("all") => {
            general()?;
            clipboard()?;
            writeln!(std::io::stdout().lock())?;
            languages_all()?;
        }
        Some(lang) => language(lang.to_string())?,
    }
    Ok(())
}