language_settings.rs

   1//! Provides `language`-related settings.
   2
   3use crate::{File, Language, LanguageName, LanguageServerName};
   4use anyhow::Result;
   5use collections::{HashMap, HashSet};
   6use core::slice;
   7use ec4rs::{
   8    property::{FinalNewline, IndentSize, IndentStyle, TabWidth, TrimTrailingWs},
   9    Properties as EditorconfigProperties,
  10};
  11use globset::{Glob, GlobMatcher, GlobSet, GlobSetBuilder};
  12use gpui::{App, Modifiers};
  13use itertools::{Either, Itertools};
  14use schemars::{
  15    schema::{InstanceType, ObjectValidation, Schema, SchemaObject, SingleOrVec},
  16    JsonSchema,
  17};
  18use serde::{
  19    de::{self, IntoDeserializer, MapAccess, SeqAccess, Visitor},
  20    Deserialize, Deserializer, Serialize,
  21};
  22use serde_json::Value;
  23use settings::{
  24    add_references_to_properties, Settings, SettingsLocation, SettingsSources, SettingsStore,
  25};
  26use std::{borrow::Cow, num::NonZeroU32, path::Path, sync::Arc};
  27use util::serde::default_true;
  28
  29/// Initializes the language settings.
  30pub fn init(cx: &mut App) {
  31    AllLanguageSettings::register(cx);
  32}
  33
  34/// Returns the settings for the specified language from the provided file.
  35pub fn language_settings<'a>(
  36    language: Option<LanguageName>,
  37    file: Option<&'a Arc<dyn File>>,
  38    cx: &'a App,
  39) -> Cow<'a, LanguageSettings> {
  40    let location = file.map(|f| SettingsLocation {
  41        worktree_id: f.worktree_id(cx),
  42        path: f.path().as_ref(),
  43    });
  44    AllLanguageSettings::get(location, cx).language(location, language.as_ref(), cx)
  45}
  46
  47/// Returns the settings for all languages from the provided file.
  48pub fn all_language_settings<'a>(
  49    file: Option<&'a Arc<dyn File>>,
  50    cx: &'a App,
  51) -> &'a AllLanguageSettings {
  52    let location = file.map(|f| SettingsLocation {
  53        worktree_id: f.worktree_id(cx),
  54        path: f.path().as_ref(),
  55    });
  56    AllLanguageSettings::get(location, cx)
  57}
  58
  59/// The settings for all languages.
  60#[derive(Debug, Clone)]
  61pub struct AllLanguageSettings {
  62    /// The edit prediction settings.
  63    pub edit_predictions: EditPredictionSettings,
  64    defaults: LanguageSettings,
  65    languages: HashMap<LanguageName, LanguageSettings>,
  66    pub(crate) file_types: HashMap<Arc<str>, GlobSet>,
  67}
  68
  69/// The settings for a particular language.
  70#[derive(Debug, Clone, Deserialize)]
  71pub struct LanguageSettings {
  72    /// How many columns a tab should occupy.
  73    pub tab_size: NonZeroU32,
  74    /// Whether to indent lines using tab characters, as opposed to multiple
  75    /// spaces.
  76    pub hard_tabs: bool,
  77    /// How to soft-wrap long lines of text.
  78    pub soft_wrap: SoftWrap,
  79    /// The column at which to soft-wrap lines, for buffers where soft-wrap
  80    /// is enabled.
  81    pub preferred_line_length: u32,
  82    // Whether to show wrap guides (vertical rulers) in the editor.
  83    // Setting this to true will show a guide at the 'preferred_line_length' value
  84    // if softwrap is set to 'preferred_line_length', and will show any
  85    // additional guides as specified by the 'wrap_guides' setting.
  86    pub show_wrap_guides: bool,
  87    /// Character counts at which to show wrap guides (vertical rulers) in the editor.
  88    pub wrap_guides: Vec<usize>,
  89    /// Indent guide related settings.
  90    pub indent_guides: IndentGuideSettings,
  91    /// Whether or not to perform a buffer format before saving.
  92    pub format_on_save: FormatOnSave,
  93    /// Whether or not to remove any trailing whitespace from lines of a buffer
  94    /// before saving it.
  95    pub remove_trailing_whitespace_on_save: bool,
  96    /// Whether or not to ensure there's a single newline at the end of a buffer
  97    /// when saving it.
  98    pub ensure_final_newline_on_save: bool,
  99    /// How to perform a buffer format.
 100    pub formatter: SelectedFormatter,
 101    /// Zed's Prettier integration settings.
 102    pub prettier: PrettierSettings,
 103    /// Whether to automatically close JSX tags.
 104    pub jsx_tag_auto_close: JsxTagAutoCloseSettings,
 105    /// Whether to use language servers to provide code intelligence.
 106    pub enable_language_server: bool,
 107    /// The list of language servers to use (or disable) for this language.
 108    ///
 109    /// This array should consist of language server IDs, as well as the following
 110    /// special tokens:
 111    /// - `"!<language_server_id>"` - A language server ID prefixed with a `!` will be disabled.
 112    /// - `"..."` - A placeholder to refer to the **rest** of the registered language servers for this language.
 113    pub language_servers: Vec<String>,
 114    /// Controls where the `editor::Rewrap` action is allowed for this language.
 115    ///
 116    /// Note: This setting has no effect in Vim mode, as rewrap is already
 117    /// allowed everywhere.
 118    pub allow_rewrap: RewrapBehavior,
 119    /// Controls whether edit predictions are shown immediately (true)
 120    /// or manually by triggering `editor::ShowEditPrediction` (false).
 121    pub show_edit_predictions: bool,
 122    /// Controls whether edit predictions are shown in the given language
 123    /// scopes.
 124    pub edit_predictions_disabled_in: Vec<String>,
 125    /// Whether to show tabs and spaces in the editor.
 126    pub show_whitespaces: ShowWhitespaceSetting,
 127    /// Whether to start a new line with a comment when a previous line is a comment as well.
 128    pub extend_comment_on_newline: bool,
 129    /// Inlay hint related settings.
 130    pub inlay_hints: InlayHintSettings,
 131    /// Whether to automatically close brackets.
 132    pub use_autoclose: bool,
 133    /// Whether to automatically surround text with brackets.
 134    pub use_auto_surround: bool,
 135    /// Whether to use additional LSP queries to format (and amend) the code after
 136    /// every "trigger" symbol input, defined by LSP server capabilities.
 137    pub use_on_type_format: bool,
 138    /// Whether indentation of pasted content should be adjusted based on the context.
 139    pub auto_indent_on_paste: bool,
 140    // Controls how the editor handles the autoclosed characters.
 141    pub always_treat_brackets_as_autoclosed: bool,
 142    /// Which code actions to run on save
 143    pub code_actions_on_format: HashMap<String, bool>,
 144    /// Whether to perform linked edits
 145    pub linked_edits: bool,
 146    /// Task configuration for this language.
 147    pub tasks: LanguageTaskConfig,
 148    /// Whether to pop the completions menu while typing in an editor without
 149    /// explicitly requesting it.
 150    pub show_completions_on_input: bool,
 151    /// Whether to display inline and alongside documentation for items in the
 152    /// completions menu.
 153    pub show_completion_documentation: bool,
 154}
 155
 156impl LanguageSettings {
 157    /// A token representing the rest of the available language servers.
 158    const REST_OF_LANGUAGE_SERVERS: &'static str = "...";
 159
 160    /// Returns the customized list of language servers from the list of
 161    /// available language servers.
 162    pub fn customized_language_servers(
 163        &self,
 164        available_language_servers: &[LanguageServerName],
 165    ) -> Vec<LanguageServerName> {
 166        Self::resolve_language_servers(&self.language_servers, available_language_servers)
 167    }
 168
 169    pub(crate) fn resolve_language_servers(
 170        configured_language_servers: &[String],
 171        available_language_servers: &[LanguageServerName],
 172    ) -> Vec<LanguageServerName> {
 173        let (disabled_language_servers, enabled_language_servers): (
 174            Vec<LanguageServerName>,
 175            Vec<LanguageServerName>,
 176        ) = configured_language_servers.iter().partition_map(
 177            |language_server| match language_server.strip_prefix('!') {
 178                Some(disabled) => Either::Left(LanguageServerName(disabled.to_string().into())),
 179                None => Either::Right(LanguageServerName(language_server.clone().into())),
 180            },
 181        );
 182
 183        let rest = available_language_servers
 184            .iter()
 185            .filter(|&available_language_server| {
 186                !disabled_language_servers.contains(&available_language_server)
 187                    && !enabled_language_servers.contains(&available_language_server)
 188            })
 189            .cloned()
 190            .collect::<Vec<_>>();
 191
 192        enabled_language_servers
 193            .into_iter()
 194            .flat_map(|language_server| {
 195                if language_server.0.as_ref() == Self::REST_OF_LANGUAGE_SERVERS {
 196                    rest.clone()
 197                } else {
 198                    vec![language_server.clone()]
 199                }
 200            })
 201            .collect::<Vec<_>>()
 202    }
 203}
 204
 205/// The provider that supplies edit predictions.
 206#[derive(Copy, Clone, Debug, Default, Eq, PartialEq, Serialize, Deserialize, JsonSchema)]
 207#[serde(rename_all = "snake_case")]
 208pub enum EditPredictionProvider {
 209    None,
 210    #[default]
 211    Copilot,
 212    Supermaven,
 213    Zed,
 214}
 215
 216impl EditPredictionProvider {
 217    pub fn is_zed(&self) -> bool {
 218        match self {
 219            EditPredictionProvider::Zed => true,
 220            EditPredictionProvider::None
 221            | EditPredictionProvider::Copilot
 222            | EditPredictionProvider::Supermaven => false,
 223        }
 224    }
 225}
 226
 227/// The settings for edit predictions, such as [GitHub Copilot](https://github.com/features/copilot)
 228/// or [Supermaven](https://supermaven.com).
 229#[derive(Clone, Debug, Default)]
 230pub struct EditPredictionSettings {
 231    /// The provider that supplies edit predictions.
 232    pub provider: EditPredictionProvider,
 233    /// A list of globs representing files that edit predictions should be disabled for.
 234    /// This list adds to a pre-existing, sensible default set of globs.
 235    /// Any additional ones you add are combined with them.
 236    pub disabled_globs: Vec<DisabledGlob>,
 237    /// Configures how edit predictions are displayed in the buffer.
 238    pub mode: EditPredictionsMode,
 239    /// Settings specific to GitHub Copilot.
 240    pub copilot: CopilotSettings,
 241    /// Whether edit predictions are enabled in the assistant panel.
 242    /// This setting has no effect if globally disabled.
 243    pub enabled_in_assistant: bool,
 244}
 245
 246impl EditPredictionSettings {
 247    /// Returns whether edit predictions are enabled for the given path.
 248    pub fn enabled_for_file(&self, file: &Arc<dyn File>, cx: &App) -> bool {
 249        !self.disabled_globs.iter().any(|glob| {
 250            if glob.is_absolute {
 251                file.as_local()
 252                    .map_or(false, |local| glob.matcher.is_match(local.abs_path(cx)))
 253            } else {
 254                glob.matcher.is_match(file.path())
 255            }
 256        })
 257    }
 258}
 259
 260#[derive(Clone, Debug)]
 261pub struct DisabledGlob {
 262    matcher: GlobMatcher,
 263    is_absolute: bool,
 264}
 265
 266/// The mode in which edit predictions should be displayed.
 267#[derive(Copy, Clone, Debug, Default, Eq, PartialEq, Serialize, Deserialize, JsonSchema)]
 268#[serde(rename_all = "snake_case")]
 269pub enum EditPredictionsMode {
 270    /// If provider supports it, display inline when holding modifier key (e.g., alt).
 271    /// Otherwise, eager preview is used.
 272    #[serde(alias = "auto")]
 273    Subtle,
 274    /// Display inline when there are no language server completions available.
 275    #[default]
 276    #[serde(alias = "eager_preview")]
 277    Eager,
 278}
 279
 280#[derive(Clone, Debug, Default)]
 281pub struct CopilotSettings {
 282    /// HTTP/HTTPS proxy to use for Copilot.
 283    pub proxy: Option<String>,
 284    /// Disable certificate verification for proxy (not recommended).
 285    pub proxy_no_verify: Option<bool>,
 286}
 287
 288/// The settings for all languages.
 289#[derive(Debug, Clone, Default, PartialEq, Serialize, Deserialize, JsonSchema)]
 290pub struct AllLanguageSettingsContent {
 291    /// The settings for enabling/disabling features.
 292    #[serde(default)]
 293    pub features: Option<FeaturesContent>,
 294    /// The edit prediction settings.
 295    #[serde(default)]
 296    pub edit_predictions: Option<EditPredictionSettingsContent>,
 297    /// The default language settings.
 298    #[serde(flatten)]
 299    pub defaults: LanguageSettingsContent,
 300    /// The settings for individual languages.
 301    #[serde(default)]
 302    pub languages: HashMap<LanguageName, LanguageSettingsContent>,
 303    /// Settings for associating file extensions and filenames
 304    /// with languages.
 305    #[serde(default)]
 306    pub file_types: HashMap<Arc<str>, Vec<String>>,
 307}
 308
 309/// The settings for a particular language.
 310#[derive(Debug, Clone, Default, PartialEq, Serialize, Deserialize, JsonSchema)]
 311pub struct LanguageSettingsContent {
 312    /// How many columns a tab should occupy.
 313    ///
 314    /// Default: 4
 315    #[serde(default)]
 316    pub tab_size: Option<NonZeroU32>,
 317    /// Whether to indent lines using tab characters, as opposed to multiple
 318    /// spaces.
 319    ///
 320    /// Default: false
 321    #[serde(default)]
 322    pub hard_tabs: Option<bool>,
 323    /// How to soft-wrap long lines of text.
 324    ///
 325    /// Default: none
 326    #[serde(default)]
 327    pub soft_wrap: Option<SoftWrap>,
 328    /// The column at which to soft-wrap lines, for buffers where soft-wrap
 329    /// is enabled.
 330    ///
 331    /// Default: 80
 332    #[serde(default)]
 333    pub preferred_line_length: Option<u32>,
 334    /// Whether to show wrap guides in the editor. Setting this to true will
 335    /// show a guide at the 'preferred_line_length' value if softwrap is set to
 336    /// 'preferred_line_length', and will show any additional guides as specified
 337    /// by the 'wrap_guides' setting.
 338    ///
 339    /// Default: true
 340    #[serde(default)]
 341    pub show_wrap_guides: Option<bool>,
 342    /// Character counts at which to show wrap guides in the editor.
 343    ///
 344    /// Default: []
 345    #[serde(default)]
 346    pub wrap_guides: Option<Vec<usize>>,
 347    /// Indent guide related settings.
 348    #[serde(default)]
 349    pub indent_guides: Option<IndentGuideSettings>,
 350    /// Whether or not to perform a buffer format before saving.
 351    ///
 352    /// Default: on
 353    #[serde(default)]
 354    pub format_on_save: Option<FormatOnSave>,
 355    /// Whether or not to remove any trailing whitespace from lines of a buffer
 356    /// before saving it.
 357    ///
 358    /// Default: true
 359    #[serde(default)]
 360    pub remove_trailing_whitespace_on_save: Option<bool>,
 361    /// Whether or not to ensure there's a single newline at the end of a buffer
 362    /// when saving it.
 363    ///
 364    /// Default: true
 365    #[serde(default)]
 366    pub ensure_final_newline_on_save: Option<bool>,
 367    /// How to perform a buffer format.
 368    ///
 369    /// Default: auto
 370    #[serde(default)]
 371    pub formatter: Option<SelectedFormatter>,
 372    /// Zed's Prettier integration settings.
 373    /// Allows to enable/disable formatting with Prettier
 374    /// and configure default Prettier, used when no project-level Prettier installation is found.
 375    ///
 376    /// Default: off
 377    #[serde(default)]
 378    pub prettier: Option<PrettierSettings>,
 379    /// Whether to automatically close JSX tags.
 380    #[serde(default)]
 381    pub jsx_tag_auto_close: Option<JsxTagAutoCloseSettings>,
 382    /// Whether to use language servers to provide code intelligence.
 383    ///
 384    /// Default: true
 385    #[serde(default)]
 386    pub enable_language_server: Option<bool>,
 387    /// The list of language servers to use (or disable) for this language.
 388    ///
 389    /// This array should consist of language server IDs, as well as the following
 390    /// special tokens:
 391    /// - `"!<language_server_id>"` - A language server ID prefixed with a `!` will be disabled.
 392    /// - `"..."` - A placeholder to refer to the **rest** of the registered language servers for this language.
 393    ///
 394    /// Default: ["..."]
 395    #[serde(default)]
 396    pub language_servers: Option<Vec<String>>,
 397    /// Controls where the `editor::Rewrap` action is allowed for this language.
 398    ///
 399    /// Note: This setting has no effect in Vim mode, as rewrap is already
 400    /// allowed everywhere.
 401    ///
 402    /// Default: "in_comments"
 403    #[serde(default)]
 404    pub allow_rewrap: Option<RewrapBehavior>,
 405    /// Controls whether edit predictions are shown immediately (true)
 406    /// or manually by triggering `editor::ShowEditPrediction` (false).
 407    ///
 408    /// Default: true
 409    #[serde(default)]
 410    pub show_edit_predictions: Option<bool>,
 411    /// Controls whether edit predictions are shown in the given language
 412    /// scopes.
 413    ///
 414    /// Example: ["string", "comment"]
 415    ///
 416    /// Default: []
 417    #[serde(default)]
 418    pub edit_predictions_disabled_in: Option<Vec<String>>,
 419    /// Whether to show tabs and spaces in the editor.
 420    #[serde(default)]
 421    pub show_whitespaces: Option<ShowWhitespaceSetting>,
 422    /// Whether to start a new line with a comment when a previous line is a comment as well.
 423    ///
 424    /// Default: true
 425    #[serde(default)]
 426    pub extend_comment_on_newline: Option<bool>,
 427    /// Inlay hint related settings.
 428    #[serde(default)]
 429    pub inlay_hints: Option<InlayHintSettings>,
 430    /// Whether to automatically type closing characters for you. For example,
 431    /// when you type (, Zed will automatically add a closing ) at the correct position.
 432    ///
 433    /// Default: true
 434    pub use_autoclose: Option<bool>,
 435    /// Whether to automatically surround text with characters for you. For example,
 436    /// when you select text and type (, Zed will automatically surround text with ().
 437    ///
 438    /// Default: true
 439    pub use_auto_surround: Option<bool>,
 440    /// Controls how the editor handles the autoclosed characters.
 441    /// When set to `false`(default), skipping over and auto-removing of the closing characters
 442    /// happen only for auto-inserted characters.
 443    /// Otherwise(when `true`), the closing characters are always skipped over and auto-removed
 444    /// no matter how they were inserted.
 445    ///
 446    /// Default: false
 447    pub always_treat_brackets_as_autoclosed: Option<bool>,
 448    /// Whether to use additional LSP queries to format (and amend) the code after
 449    /// every "trigger" symbol input, defined by LSP server capabilities.
 450    ///
 451    /// Default: true
 452    pub use_on_type_format: Option<bool>,
 453    /// Which code actions to run on save after the formatter.
 454    /// These are not run if formatting is off.
 455    ///
 456    /// Default: {} (or {"source.organizeImports": true} for Go).
 457    pub code_actions_on_format: Option<HashMap<String, bool>>,
 458    /// Whether to perform linked edits of associated ranges, if the language server supports it.
 459    /// For example, when editing opening <html> tag, the contents of the closing </html> tag will be edited as well.
 460    ///
 461    /// Default: true
 462    pub linked_edits: Option<bool>,
 463    /// Whether indentation of pasted content should be adjusted based on the context.
 464    ///
 465    /// Default: true
 466    pub auto_indent_on_paste: Option<bool>,
 467    /// Task configuration for this language.
 468    ///
 469    /// Default: {}
 470    pub tasks: Option<LanguageTaskConfig>,
 471    /// Whether to pop the completions menu while typing in an editor without
 472    /// explicitly requesting it.
 473    ///
 474    /// Default: true
 475    pub show_completions_on_input: Option<bool>,
 476    /// Whether to display inline and alongside documentation for items in the
 477    /// completions menu.
 478    ///
 479    /// Default: true
 480    pub show_completion_documentation: Option<bool>,
 481}
 482
 483/// The behavior of `editor::Rewrap`.
 484#[derive(Debug, PartialEq, Clone, Copy, Default, Serialize, Deserialize, JsonSchema)]
 485#[serde(rename_all = "snake_case")]
 486pub enum RewrapBehavior {
 487    /// Only rewrap within comments.
 488    #[default]
 489    InComments,
 490    /// Only rewrap within the current selection(s).
 491    InSelections,
 492    /// Allow rewrapping anywhere.
 493    Anywhere,
 494}
 495
 496/// The contents of the edit prediction settings.
 497#[derive(Clone, Debug, Default, Serialize, Deserialize, JsonSchema, PartialEq)]
 498pub struct EditPredictionSettingsContent {
 499    /// A list of globs representing files that edit predictions should be disabled for.
 500    /// This list adds to a pre-existing, sensible default set of globs.
 501    /// Any additional ones you add are combined with them.
 502    #[serde(default)]
 503    pub disabled_globs: Option<Vec<String>>,
 504    /// The mode used to display edit predictions in the buffer.
 505    /// Provider support required.
 506    #[serde(default)]
 507    pub mode: EditPredictionsMode,
 508    /// Settings specific to GitHub Copilot.
 509    #[serde(default)]
 510    pub copilot: CopilotSettingsContent,
 511    /// Whether edit predictions are enabled in the assistant prompt editor.
 512    /// This has no effect if globally disabled.
 513    #[serde(default = "default_true")]
 514    pub enabled_in_assistant: bool,
 515}
 516
 517#[derive(Clone, Debug, Default, Serialize, Deserialize, JsonSchema, PartialEq)]
 518pub struct CopilotSettingsContent {
 519    /// HTTP/HTTPS proxy to use for Copilot.
 520    ///
 521    /// Default: none
 522    #[serde(default)]
 523    pub proxy: Option<String>,
 524    /// Disable certificate verification for the proxy (not recommended).
 525    ///
 526    /// Default: false
 527    #[serde(default)]
 528    pub proxy_no_verify: Option<bool>,
 529}
 530
 531/// The settings for enabling/disabling features.
 532#[derive(Debug, Clone, PartialEq, Default, Serialize, Deserialize, JsonSchema)]
 533#[serde(rename_all = "snake_case")]
 534pub struct FeaturesContent {
 535    /// Whether the GitHub Copilot feature is enabled.
 536    pub copilot: Option<bool>,
 537    /// Determines which edit prediction provider to use.
 538    pub edit_prediction_provider: Option<EditPredictionProvider>,
 539}
 540
 541/// Controls the soft-wrapping behavior in the editor.
 542#[derive(Copy, Clone, Debug, Serialize, Deserialize, PartialEq, Eq, JsonSchema)]
 543#[serde(rename_all = "snake_case")]
 544pub enum SoftWrap {
 545    /// Prefer a single line generally, unless an overly long line is encountered.
 546    None,
 547    /// Deprecated: use None instead. Left to avoid breaking existing users' configs.
 548    /// Prefer a single line generally, unless an overly long line is encountered.
 549    PreferLine,
 550    /// Soft wrap lines that exceed the editor width.
 551    EditorWidth,
 552    /// Soft wrap lines at the preferred line length.
 553    PreferredLineLength,
 554    /// Soft wrap line at the preferred line length or the editor width (whichever is smaller).
 555    Bounded,
 556}
 557
 558/// Controls the behavior of formatting files when they are saved.
 559#[derive(Debug, Clone, PartialEq, Eq)]
 560pub enum FormatOnSave {
 561    /// Files should be formatted on save.
 562    On,
 563    /// Files should not be formatted on save.
 564    Off,
 565    List(FormatterList),
 566}
 567
 568impl JsonSchema for FormatOnSave {
 569    fn schema_name() -> String {
 570        "OnSaveFormatter".into()
 571    }
 572
 573    fn json_schema(generator: &mut schemars::r#gen::SchemaGenerator) -> Schema {
 574        let mut schema = SchemaObject::default();
 575        let formatter_schema = Formatter::json_schema(generator);
 576        schema.instance_type = Some(
 577            vec![
 578                InstanceType::Object,
 579                InstanceType::String,
 580                InstanceType::Array,
 581            ]
 582            .into(),
 583        );
 584
 585        let valid_raw_values = SchemaObject {
 586            enum_values: Some(vec![
 587                Value::String("on".into()),
 588                Value::String("off".into()),
 589                Value::String("prettier".into()),
 590                Value::String("language_server".into()),
 591            ]),
 592            ..Default::default()
 593        };
 594        let mut nested_values = SchemaObject::default();
 595
 596        nested_values.array().items = Some(formatter_schema.clone().into());
 597
 598        schema.subschemas().any_of = Some(vec![
 599            nested_values.into(),
 600            valid_raw_values.into(),
 601            formatter_schema,
 602        ]);
 603        schema.into()
 604    }
 605}
 606
 607impl Serialize for FormatOnSave {
 608    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
 609    where
 610        S: serde::Serializer,
 611    {
 612        match self {
 613            Self::On => serializer.serialize_str("on"),
 614            Self::Off => serializer.serialize_str("off"),
 615            Self::List(list) => list.serialize(serializer),
 616        }
 617    }
 618}
 619
 620impl<'de> Deserialize<'de> for FormatOnSave {
 621    fn deserialize<D>(deserializer: D) -> std::result::Result<Self, D::Error>
 622    where
 623        D: Deserializer<'de>,
 624    {
 625        struct FormatDeserializer;
 626
 627        impl<'d> Visitor<'d> for FormatDeserializer {
 628            type Value = FormatOnSave;
 629
 630            fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
 631                formatter.write_str("a valid on-save formatter kind")
 632            }
 633            fn visit_str<E>(self, v: &str) -> std::result::Result<Self::Value, E>
 634            where
 635                E: serde::de::Error,
 636            {
 637                if v == "on" {
 638                    Ok(Self::Value::On)
 639                } else if v == "off" {
 640                    Ok(Self::Value::Off)
 641                } else if v == "language_server" {
 642                    Ok(Self::Value::List(FormatterList(
 643                        Formatter::LanguageServer { name: None }.into(),
 644                    )))
 645                } else {
 646                    let ret: Result<FormatterList, _> =
 647                        Deserialize::deserialize(v.into_deserializer());
 648                    ret.map(Self::Value::List)
 649                }
 650            }
 651            fn visit_map<A>(self, map: A) -> Result<Self::Value, A::Error>
 652            where
 653                A: MapAccess<'d>,
 654            {
 655                let ret: Result<FormatterList, _> =
 656                    Deserialize::deserialize(de::value::MapAccessDeserializer::new(map));
 657                ret.map(Self::Value::List)
 658            }
 659            fn visit_seq<A>(self, map: A) -> Result<Self::Value, A::Error>
 660            where
 661                A: SeqAccess<'d>,
 662            {
 663                let ret: Result<FormatterList, _> =
 664                    Deserialize::deserialize(de::value::SeqAccessDeserializer::new(map));
 665                ret.map(Self::Value::List)
 666            }
 667        }
 668        deserializer.deserialize_any(FormatDeserializer)
 669    }
 670}
 671
 672/// Controls how whitespace should be displayedin the editor.
 673#[derive(Copy, Clone, Debug, Serialize, Deserialize, PartialEq, Eq, JsonSchema)]
 674#[serde(rename_all = "snake_case")]
 675pub enum ShowWhitespaceSetting {
 676    /// Draw whitespace only for the selected text.
 677    Selection,
 678    /// Do not draw any tabs or spaces.
 679    None,
 680    /// Draw all invisible symbols.
 681    All,
 682    /// Draw whitespaces at boundaries only.
 683    ///
 684    /// For a whitespace to be on a boundary, any of the following conditions need to be met:
 685    /// - It is a tab
 686    /// - It is adjacent to an edge (start or end)
 687    /// - It is adjacent to a whitespace (left or right)
 688    Boundary,
 689}
 690
 691/// Controls which formatter should be used when formatting code.
 692#[derive(Clone, Debug, Default, PartialEq, Eq)]
 693pub enum SelectedFormatter {
 694    /// Format files using Zed's Prettier integration (if applicable),
 695    /// or falling back to formatting via language server.
 696    #[default]
 697    Auto,
 698    List(FormatterList),
 699}
 700
 701impl JsonSchema for SelectedFormatter {
 702    fn schema_name() -> String {
 703        "Formatter".into()
 704    }
 705
 706    fn json_schema(generator: &mut schemars::r#gen::SchemaGenerator) -> Schema {
 707        let mut schema = SchemaObject::default();
 708        let formatter_schema = Formatter::json_schema(generator);
 709        schema.instance_type = Some(
 710            vec![
 711                InstanceType::Object,
 712                InstanceType::String,
 713                InstanceType::Array,
 714            ]
 715            .into(),
 716        );
 717
 718        let valid_raw_values = SchemaObject {
 719            enum_values: Some(vec![
 720                Value::String("auto".into()),
 721                Value::String("prettier".into()),
 722                Value::String("language_server".into()),
 723            ]),
 724            ..Default::default()
 725        };
 726
 727        let mut nested_values = SchemaObject::default();
 728
 729        nested_values.array().items = Some(formatter_schema.clone().into());
 730
 731        schema.subschemas().any_of = Some(vec![
 732            nested_values.into(),
 733            valid_raw_values.into(),
 734            formatter_schema,
 735        ]);
 736        schema.into()
 737    }
 738}
 739
 740impl Serialize for SelectedFormatter {
 741    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
 742    where
 743        S: serde::Serializer,
 744    {
 745        match self {
 746            SelectedFormatter::Auto => serializer.serialize_str("auto"),
 747            SelectedFormatter::List(list) => list.serialize(serializer),
 748        }
 749    }
 750}
 751impl<'de> Deserialize<'de> for SelectedFormatter {
 752    fn deserialize<D>(deserializer: D) -> std::result::Result<Self, D::Error>
 753    where
 754        D: Deserializer<'de>,
 755    {
 756        struct FormatDeserializer;
 757
 758        impl<'d> Visitor<'d> for FormatDeserializer {
 759            type Value = SelectedFormatter;
 760
 761            fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
 762                formatter.write_str("a valid formatter kind")
 763            }
 764            fn visit_str<E>(self, v: &str) -> std::result::Result<Self::Value, E>
 765            where
 766                E: serde::de::Error,
 767            {
 768                if v == "auto" {
 769                    Ok(Self::Value::Auto)
 770                } else if v == "language_server" {
 771                    Ok(Self::Value::List(FormatterList(
 772                        Formatter::LanguageServer { name: None }.into(),
 773                    )))
 774                } else {
 775                    let ret: Result<FormatterList, _> =
 776                        Deserialize::deserialize(v.into_deserializer());
 777                    ret.map(SelectedFormatter::List)
 778                }
 779            }
 780            fn visit_map<A>(self, map: A) -> Result<Self::Value, A::Error>
 781            where
 782                A: MapAccess<'d>,
 783            {
 784                let ret: Result<FormatterList, _> =
 785                    Deserialize::deserialize(de::value::MapAccessDeserializer::new(map));
 786                ret.map(SelectedFormatter::List)
 787            }
 788            fn visit_seq<A>(self, map: A) -> Result<Self::Value, A::Error>
 789            where
 790                A: SeqAccess<'d>,
 791            {
 792                let ret: Result<FormatterList, _> =
 793                    Deserialize::deserialize(de::value::SeqAccessDeserializer::new(map));
 794                ret.map(SelectedFormatter::List)
 795            }
 796        }
 797        deserializer.deserialize_any(FormatDeserializer)
 798    }
 799}
 800/// Controls which formatter should be used when formatting code.
 801#[derive(Clone, Debug, Serialize, Deserialize, PartialEq, Eq, JsonSchema)]
 802#[serde(rename_all = "snake_case", transparent)]
 803pub struct FormatterList(pub SingleOrVec<Formatter>);
 804
 805impl AsRef<[Formatter]> for FormatterList {
 806    fn as_ref(&self) -> &[Formatter] {
 807        match &self.0 {
 808            SingleOrVec::Single(single) => slice::from_ref(single),
 809            SingleOrVec::Vec(v) => v,
 810        }
 811    }
 812}
 813
 814/// Controls which formatter should be used when formatting code. If there are multiple formatters, they are executed in the order of declaration.
 815#[derive(Clone, Debug, Serialize, Deserialize, PartialEq, Eq, JsonSchema)]
 816#[serde(rename_all = "snake_case")]
 817pub enum Formatter {
 818    /// Format code using the current language server.
 819    LanguageServer { name: Option<String> },
 820    /// Format code using Zed's Prettier integration.
 821    Prettier,
 822    /// Format code using an external command.
 823    External {
 824        /// The external program to run.
 825        command: Arc<str>,
 826        /// The arguments to pass to the program.
 827        arguments: Option<Arc<[String]>>,
 828    },
 829    /// Files should be formatted using code actions executed by language servers.
 830    CodeActions(HashMap<String, bool>),
 831}
 832
 833/// The settings for indent guides.
 834#[derive(Default, Debug, Copy, Clone, PartialEq, Eq, Serialize, Deserialize, JsonSchema)]
 835pub struct IndentGuideSettings {
 836    /// Whether to display indent guides in the editor.
 837    ///
 838    /// Default: true
 839    #[serde(default = "default_true")]
 840    pub enabled: bool,
 841    /// The width of the indent guides in pixels, between 1 and 10.
 842    ///
 843    /// Default: 1
 844    #[serde(default = "line_width")]
 845    pub line_width: u32,
 846    /// The width of the active indent guide in pixels, between 1 and 10.
 847    ///
 848    /// Default: 1
 849    #[serde(default = "active_line_width")]
 850    pub active_line_width: u32,
 851    /// Determines how indent guides are colored.
 852    ///
 853    /// Default: Fixed
 854    #[serde(default)]
 855    pub coloring: IndentGuideColoring,
 856    /// Determines how indent guide backgrounds are colored.
 857    ///
 858    /// Default: Disabled
 859    #[serde(default)]
 860    pub background_coloring: IndentGuideBackgroundColoring,
 861}
 862
 863fn line_width() -> u32 {
 864    1
 865}
 866
 867fn active_line_width() -> u32 {
 868    line_width()
 869}
 870
 871/// Determines how indent guides are colored.
 872#[derive(Default, Debug, Copy, Clone, PartialEq, Eq, Serialize, Deserialize, JsonSchema)]
 873#[serde(rename_all = "snake_case")]
 874pub enum IndentGuideColoring {
 875    /// Do not render any lines for indent guides.
 876    Disabled,
 877    /// Use the same color for all indentation levels.
 878    #[default]
 879    Fixed,
 880    /// Use a different color for each indentation level.
 881    IndentAware,
 882}
 883
 884/// Determines how indent guide backgrounds are colored.
 885#[derive(Default, Debug, Copy, Clone, PartialEq, Eq, Serialize, Deserialize, JsonSchema)]
 886#[serde(rename_all = "snake_case")]
 887pub enum IndentGuideBackgroundColoring {
 888    /// Do not render any background for indent guides.
 889    #[default]
 890    Disabled,
 891    /// Use a different color for each indentation level.
 892    IndentAware,
 893}
 894
 895/// The settings for inlay hints.
 896#[derive(Copy, Clone, Debug, Serialize, Deserialize, JsonSchema, PartialEq, Eq)]
 897pub struct InlayHintSettings {
 898    /// Global switch to toggle hints on and off.
 899    ///
 900    /// Default: false
 901    #[serde(default)]
 902    pub enabled: bool,
 903    /// Whether type hints should be shown.
 904    ///
 905    /// Default: true
 906    #[serde(default = "default_true")]
 907    pub show_type_hints: bool,
 908    /// Whether parameter hints should be shown.
 909    ///
 910    /// Default: true
 911    #[serde(default = "default_true")]
 912    pub show_parameter_hints: bool,
 913    /// Whether other hints should be shown.
 914    ///
 915    /// Default: true
 916    #[serde(default = "default_true")]
 917    pub show_other_hints: bool,
 918    /// Whether to show a background for inlay hints.
 919    ///
 920    /// If set to `true`, the background will use the `hint.background` color
 921    /// from the current theme.
 922    ///
 923    /// Default: false
 924    #[serde(default)]
 925    pub show_background: bool,
 926    /// Whether or not to debounce inlay hints updates after buffer edits.
 927    ///
 928    /// Set to 0 to disable debouncing.
 929    ///
 930    /// Default: 700
 931    #[serde(default = "edit_debounce_ms")]
 932    pub edit_debounce_ms: u64,
 933    /// Whether or not to debounce inlay hints updates after buffer scrolls.
 934    ///
 935    /// Set to 0 to disable debouncing.
 936    ///
 937    /// Default: 50
 938    #[serde(default = "scroll_debounce_ms")]
 939    pub scroll_debounce_ms: u64,
 940    /// Toggles inlay hints (hides or shows) when the user presses the modifiers specified.
 941    /// If only a subset of the modifiers specified is pressed, hints are not toggled.
 942    /// If no modifiers are specified, this is equivalent to `None`.
 943    ///
 944    /// Default: None
 945    #[serde(default)]
 946    pub toggle_on_modifiers_press: Option<Modifiers>,
 947}
 948
 949fn edit_debounce_ms() -> u64 {
 950    700
 951}
 952
 953fn scroll_debounce_ms() -> u64 {
 954    50
 955}
 956
 957/// The task settings for a particular language.
 958#[derive(Debug, Clone, Deserialize, PartialEq, Serialize, JsonSchema)]
 959pub struct LanguageTaskConfig {
 960    /// Extra task variables to set for a particular language.
 961    pub variables: HashMap<String, String>,
 962}
 963
 964impl InlayHintSettings {
 965    /// Returns the kinds of inlay hints that are enabled based on the settings.
 966    pub fn enabled_inlay_hint_kinds(&self) -> HashSet<Option<InlayHintKind>> {
 967        let mut kinds = HashSet::default();
 968        if self.show_type_hints {
 969            kinds.insert(Some(InlayHintKind::Type));
 970        }
 971        if self.show_parameter_hints {
 972            kinds.insert(Some(InlayHintKind::Parameter));
 973        }
 974        if self.show_other_hints {
 975            kinds.insert(None);
 976        }
 977        kinds
 978    }
 979}
 980
 981impl AllLanguageSettings {
 982    /// Returns the [`LanguageSettings`] for the language with the specified name.
 983    pub fn language<'a>(
 984        &'a self,
 985        location: Option<SettingsLocation<'a>>,
 986        language_name: Option<&LanguageName>,
 987        cx: &'a App,
 988    ) -> Cow<'a, LanguageSettings> {
 989        let settings = language_name
 990            .and_then(|name| self.languages.get(name))
 991            .unwrap_or(&self.defaults);
 992
 993        let editorconfig_properties = location.and_then(|location| {
 994            cx.global::<SettingsStore>()
 995                .editorconfig_properties(location.worktree_id, location.path)
 996        });
 997        if let Some(editorconfig_properties) = editorconfig_properties {
 998            let mut settings = settings.clone();
 999            merge_with_editorconfig(&mut settings, &editorconfig_properties);
1000            Cow::Owned(settings)
1001        } else {
1002            Cow::Borrowed(settings)
1003        }
1004    }
1005
1006    /// Returns whether edit predictions are enabled for the given path.
1007    pub fn edit_predictions_enabled_for_file(&self, file: &Arc<dyn File>, cx: &App) -> bool {
1008        self.edit_predictions.enabled_for_file(file, cx)
1009    }
1010
1011    /// Returns whether edit predictions are enabled for the given language and path.
1012    pub fn show_edit_predictions(&self, language: Option<&Arc<Language>>, cx: &App) -> bool {
1013        self.language(None, language.map(|l| l.name()).as_ref(), cx)
1014            .show_edit_predictions
1015    }
1016
1017    /// Returns the edit predictions preview mode for the given language and path.
1018    pub fn edit_predictions_mode(&self) -> EditPredictionsMode {
1019        self.edit_predictions.mode
1020    }
1021}
1022
1023fn merge_with_editorconfig(settings: &mut LanguageSettings, cfg: &EditorconfigProperties) {
1024    let tab_size = cfg.get::<IndentSize>().ok().and_then(|v| match v {
1025        IndentSize::Value(u) => NonZeroU32::new(u as u32),
1026        IndentSize::UseTabWidth => cfg.get::<TabWidth>().ok().and_then(|w| match w {
1027            TabWidth::Value(u) => NonZeroU32::new(u as u32),
1028        }),
1029    });
1030    let hard_tabs = cfg
1031        .get::<IndentStyle>()
1032        .map(|v| v.eq(&IndentStyle::Tabs))
1033        .ok();
1034    let ensure_final_newline_on_save = cfg
1035        .get::<FinalNewline>()
1036        .map(|v| match v {
1037            FinalNewline::Value(b) => b,
1038        })
1039        .ok();
1040    let remove_trailing_whitespace_on_save = cfg
1041        .get::<TrimTrailingWs>()
1042        .map(|v| match v {
1043            TrimTrailingWs::Value(b) => b,
1044        })
1045        .ok();
1046    fn merge<T>(target: &mut T, value: Option<T>) {
1047        if let Some(value) = value {
1048            *target = value;
1049        }
1050    }
1051    merge(&mut settings.tab_size, tab_size);
1052    merge(&mut settings.hard_tabs, hard_tabs);
1053    merge(
1054        &mut settings.remove_trailing_whitespace_on_save,
1055        remove_trailing_whitespace_on_save,
1056    );
1057    merge(
1058        &mut settings.ensure_final_newline_on_save,
1059        ensure_final_newline_on_save,
1060    );
1061}
1062
1063/// The kind of an inlay hint.
1064#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
1065pub enum InlayHintKind {
1066    /// An inlay hint for a type.
1067    Type,
1068    /// An inlay hint for a parameter.
1069    Parameter,
1070}
1071
1072impl InlayHintKind {
1073    /// Returns the [`InlayHintKind`] from the given name.
1074    ///
1075    /// Returns `None` if `name` does not match any of the expected
1076    /// string representations.
1077    pub fn from_name(name: &str) -> Option<Self> {
1078        match name {
1079            "type" => Some(InlayHintKind::Type),
1080            "parameter" => Some(InlayHintKind::Parameter),
1081            _ => None,
1082        }
1083    }
1084
1085    /// Returns the name of this [`InlayHintKind`].
1086    pub fn name(&self) -> &'static str {
1087        match self {
1088            InlayHintKind::Type => "type",
1089            InlayHintKind::Parameter => "parameter",
1090        }
1091    }
1092}
1093
1094impl settings::Settings for AllLanguageSettings {
1095    const KEY: Option<&'static str> = None;
1096
1097    type FileContent = AllLanguageSettingsContent;
1098
1099    fn load(sources: SettingsSources<Self::FileContent>, _: &mut App) -> Result<Self> {
1100        let default_value = sources.default;
1101
1102        // A default is provided for all settings.
1103        let mut defaults: LanguageSettings =
1104            serde_json::from_value(serde_json::to_value(&default_value.defaults)?)?;
1105
1106        let mut languages = HashMap::default();
1107        for (language_name, settings) in &default_value.languages {
1108            let mut language_settings = defaults.clone();
1109            merge_settings(&mut language_settings, settings);
1110            languages.insert(language_name.clone(), language_settings);
1111        }
1112
1113        let mut copilot_enabled = default_value.features.as_ref().and_then(|f| f.copilot);
1114        let mut edit_prediction_provider = default_value
1115            .features
1116            .as_ref()
1117            .and_then(|f| f.edit_prediction_provider);
1118        let mut edit_predictions_mode = default_value
1119            .edit_predictions
1120            .as_ref()
1121            .map(|edit_predictions| edit_predictions.mode)
1122            .ok_or_else(Self::missing_default)?;
1123
1124        let mut completion_globs: HashSet<&String> = default_value
1125            .edit_predictions
1126            .as_ref()
1127            .and_then(|c| c.disabled_globs.as_ref())
1128            .map(|globs| globs.iter().collect())
1129            .ok_or_else(Self::missing_default)?;
1130
1131        let mut copilot_settings = default_value
1132            .edit_predictions
1133            .as_ref()
1134            .map(|settings| settings.copilot.clone())
1135            .map(|copilot| CopilotSettings {
1136                proxy: copilot.proxy,
1137                proxy_no_verify: copilot.proxy_no_verify,
1138            })
1139            .unwrap_or_default();
1140
1141        let mut edit_predictions_enabled_in_assistant = default_value
1142            .edit_predictions
1143            .as_ref()
1144            .map(|settings| settings.enabled_in_assistant)
1145            .unwrap_or(true);
1146
1147        let mut file_types: HashMap<Arc<str>, GlobSet> = HashMap::default();
1148
1149        for (language, suffixes) in &default_value.file_types {
1150            let mut builder = GlobSetBuilder::new();
1151
1152            for suffix in suffixes {
1153                builder.add(Glob::new(suffix)?);
1154            }
1155
1156            file_types.insert(language.clone(), builder.build()?);
1157        }
1158
1159        for user_settings in sources.customizations() {
1160            if let Some(copilot) = user_settings.features.as_ref().and_then(|f| f.copilot) {
1161                copilot_enabled = Some(copilot);
1162            }
1163            if let Some(provider) = user_settings
1164                .features
1165                .as_ref()
1166                .and_then(|f| f.edit_prediction_provider)
1167            {
1168                edit_prediction_provider = Some(provider);
1169            }
1170
1171            if let Some(edit_predictions) = user_settings.edit_predictions.as_ref() {
1172                edit_predictions_mode = edit_predictions.mode;
1173                edit_predictions_enabled_in_assistant = edit_predictions.enabled_in_assistant;
1174
1175                if let Some(disabled_globs) = edit_predictions.disabled_globs.as_ref() {
1176                    completion_globs.extend(disabled_globs.iter());
1177                }
1178            }
1179
1180            if let Some(proxy) = user_settings
1181                .edit_predictions
1182                .as_ref()
1183                .and_then(|settings| settings.copilot.proxy.clone())
1184            {
1185                copilot_settings.proxy = Some(proxy);
1186            }
1187
1188            if let Some(proxy_no_verify) = user_settings
1189                .edit_predictions
1190                .as_ref()
1191                .and_then(|settings| settings.copilot.proxy_no_verify)
1192            {
1193                copilot_settings.proxy_no_verify = Some(proxy_no_verify);
1194            }
1195
1196            // A user's global settings override the default global settings and
1197            // all default language-specific settings.
1198            merge_settings(&mut defaults, &user_settings.defaults);
1199            for language_settings in languages.values_mut() {
1200                merge_settings(language_settings, &user_settings.defaults);
1201            }
1202
1203            // A user's language-specific settings override default language-specific settings.
1204            for (language_name, user_language_settings) in &user_settings.languages {
1205                merge_settings(
1206                    languages
1207                        .entry(language_name.clone())
1208                        .or_insert_with(|| defaults.clone()),
1209                    user_language_settings,
1210                );
1211            }
1212
1213            for (language, suffixes) in &user_settings.file_types {
1214                let mut builder = GlobSetBuilder::new();
1215
1216                let default_value = default_value.file_types.get(&language.clone());
1217
1218                // Merge the default value with the user's value.
1219                if let Some(suffixes) = default_value {
1220                    for suffix in suffixes {
1221                        builder.add(Glob::new(suffix)?);
1222                    }
1223                }
1224
1225                for suffix in suffixes {
1226                    builder.add(Glob::new(suffix)?);
1227                }
1228
1229                file_types.insert(language.clone(), builder.build()?);
1230            }
1231        }
1232
1233        Ok(Self {
1234            edit_predictions: EditPredictionSettings {
1235                provider: if let Some(provider) = edit_prediction_provider {
1236                    provider
1237                } else if copilot_enabled.unwrap_or(true) {
1238                    EditPredictionProvider::Copilot
1239                } else {
1240                    EditPredictionProvider::None
1241                },
1242                disabled_globs: completion_globs
1243                    .iter()
1244                    .filter_map(|g| {
1245                        Some(DisabledGlob {
1246                            matcher: globset::Glob::new(g).ok()?.compile_matcher(),
1247                            is_absolute: Path::new(g).is_absolute(),
1248                        })
1249                    })
1250                    .collect(),
1251                mode: edit_predictions_mode,
1252                copilot: copilot_settings,
1253                enabled_in_assistant: edit_predictions_enabled_in_assistant,
1254            },
1255            defaults,
1256            languages,
1257            file_types,
1258        })
1259    }
1260
1261    fn json_schema(
1262        generator: &mut schemars::gen::SchemaGenerator,
1263        params: &settings::SettingsJsonSchemaParams,
1264        _: &App,
1265    ) -> schemars::schema::RootSchema {
1266        let mut root_schema = generator.root_schema_for::<Self::FileContent>();
1267
1268        // Create a schema for a 'languages overrides' object, associating editor
1269        // settings with specific languages.
1270        assert!(root_schema
1271            .definitions
1272            .contains_key("LanguageSettingsContent"));
1273
1274        let languages_object_schema = SchemaObject {
1275            instance_type: Some(InstanceType::Object.into()),
1276            object: Some(Box::new(ObjectValidation {
1277                properties: params
1278                    .language_names
1279                    .iter()
1280                    .map(|name| {
1281                        (
1282                            name.clone(),
1283                            Schema::new_ref("#/definitions/LanguageSettingsContent".into()),
1284                        )
1285                    })
1286                    .collect(),
1287                ..Default::default()
1288            })),
1289            ..Default::default()
1290        };
1291
1292        root_schema
1293            .definitions
1294            .extend([("Languages".into(), languages_object_schema.into())]);
1295
1296        add_references_to_properties(
1297            &mut root_schema,
1298            &[("languages", "#/definitions/Languages")],
1299        );
1300
1301        root_schema
1302    }
1303}
1304
1305fn merge_settings(settings: &mut LanguageSettings, src: &LanguageSettingsContent) {
1306    fn merge<T>(target: &mut T, value: Option<T>) {
1307        if let Some(value) = value {
1308            *target = value;
1309        }
1310    }
1311
1312    merge(&mut settings.tab_size, src.tab_size);
1313    settings.tab_size = settings
1314        .tab_size
1315        .clamp(NonZeroU32::new(1).unwrap(), NonZeroU32::new(16).unwrap());
1316
1317    merge(&mut settings.hard_tabs, src.hard_tabs);
1318    merge(&mut settings.soft_wrap, src.soft_wrap);
1319    merge(&mut settings.use_autoclose, src.use_autoclose);
1320    merge(&mut settings.use_auto_surround, src.use_auto_surround);
1321    merge(&mut settings.use_on_type_format, src.use_on_type_format);
1322    merge(&mut settings.auto_indent_on_paste, src.auto_indent_on_paste);
1323    merge(
1324        &mut settings.always_treat_brackets_as_autoclosed,
1325        src.always_treat_brackets_as_autoclosed,
1326    );
1327    merge(&mut settings.show_wrap_guides, src.show_wrap_guides);
1328    merge(&mut settings.wrap_guides, src.wrap_guides.clone());
1329    merge(&mut settings.indent_guides, src.indent_guides);
1330    merge(
1331        &mut settings.code_actions_on_format,
1332        src.code_actions_on_format.clone(),
1333    );
1334    merge(&mut settings.linked_edits, src.linked_edits);
1335    merge(&mut settings.tasks, src.tasks.clone());
1336
1337    merge(
1338        &mut settings.preferred_line_length,
1339        src.preferred_line_length,
1340    );
1341    merge(&mut settings.formatter, src.formatter.clone());
1342    merge(&mut settings.prettier, src.prettier.clone());
1343    merge(
1344        &mut settings.jsx_tag_auto_close,
1345        src.jsx_tag_auto_close.clone(),
1346    );
1347    merge(&mut settings.format_on_save, src.format_on_save.clone());
1348    merge(
1349        &mut settings.remove_trailing_whitespace_on_save,
1350        src.remove_trailing_whitespace_on_save,
1351    );
1352    merge(
1353        &mut settings.ensure_final_newline_on_save,
1354        src.ensure_final_newline_on_save,
1355    );
1356    merge(
1357        &mut settings.enable_language_server,
1358        src.enable_language_server,
1359    );
1360    merge(&mut settings.language_servers, src.language_servers.clone());
1361    merge(&mut settings.allow_rewrap, src.allow_rewrap);
1362    merge(
1363        &mut settings.show_edit_predictions,
1364        src.show_edit_predictions,
1365    );
1366    merge(
1367        &mut settings.edit_predictions_disabled_in,
1368        src.edit_predictions_disabled_in.clone(),
1369    );
1370    merge(&mut settings.show_whitespaces, src.show_whitespaces);
1371    merge(
1372        &mut settings.extend_comment_on_newline,
1373        src.extend_comment_on_newline,
1374    );
1375    merge(&mut settings.inlay_hints, src.inlay_hints);
1376    merge(
1377        &mut settings.show_completions_on_input,
1378        src.show_completions_on_input,
1379    );
1380    merge(
1381        &mut settings.show_completion_documentation,
1382        src.show_completion_documentation,
1383    );
1384}
1385
1386/// Allows to enable/disable formatting with Prettier
1387/// and configure default Prettier, used when no project-level Prettier installation is found.
1388/// Prettier formatting is disabled by default.
1389#[derive(Default, Debug, Clone, PartialEq, Eq, Serialize, Deserialize, JsonSchema)]
1390pub struct PrettierSettings {
1391    /// Enables or disables formatting with Prettier for a given language.
1392    #[serde(default)]
1393    pub allowed: bool,
1394
1395    /// Forces Prettier integration to use a specific parser name when formatting files with the language.
1396    #[serde(default)]
1397    pub parser: Option<String>,
1398
1399    /// Forces Prettier integration to use specific plugins when formatting files with the language.
1400    /// The default Prettier will be installed with these plugins.
1401    #[serde(default)]
1402    pub plugins: HashSet<String>,
1403
1404    /// Default Prettier options, in the format as in package.json section for Prettier.
1405    /// If project installs Prettier via its package.json, these options will be ignored.
1406    #[serde(flatten)]
1407    pub options: HashMap<String, serde_json::Value>,
1408}
1409
1410#[derive(Default, Debug, Clone, PartialEq, Eq, Serialize, Deserialize, JsonSchema)]
1411pub struct JsxTagAutoCloseSettings {
1412    /// Enables or disables auto-closing of JSX tags.
1413    #[serde(default)]
1414    pub enabled: bool,
1415}
1416
1417#[cfg(test)]
1418mod tests {
1419    use gpui::TestAppContext;
1420
1421    use super::*;
1422
1423    #[test]
1424    fn test_formatter_deserialization() {
1425        let raw_auto = "{\"formatter\": \"auto\"}";
1426        let settings: LanguageSettingsContent = serde_json::from_str(raw_auto).unwrap();
1427        assert_eq!(settings.formatter, Some(SelectedFormatter::Auto));
1428        let raw = "{\"formatter\": \"language_server\"}";
1429        let settings: LanguageSettingsContent = serde_json::from_str(raw).unwrap();
1430        assert_eq!(
1431            settings.formatter,
1432            Some(SelectedFormatter::List(FormatterList(
1433                Formatter::LanguageServer { name: None }.into()
1434            )))
1435        );
1436        let raw = "{\"formatter\": [{\"language_server\": {\"name\": null}}]}";
1437        let settings: LanguageSettingsContent = serde_json::from_str(raw).unwrap();
1438        assert_eq!(
1439            settings.formatter,
1440            Some(SelectedFormatter::List(FormatterList(
1441                vec![Formatter::LanguageServer { name: None }].into()
1442            )))
1443        );
1444        let raw = "{\"formatter\": [{\"language_server\": {\"name\": null}}, \"prettier\"]}";
1445        let settings: LanguageSettingsContent = serde_json::from_str(raw).unwrap();
1446        assert_eq!(
1447            settings.formatter,
1448            Some(SelectedFormatter::List(FormatterList(
1449                vec![
1450                    Formatter::LanguageServer { name: None },
1451                    Formatter::Prettier
1452                ]
1453                .into()
1454            )))
1455        );
1456    }
1457
1458    #[test]
1459    fn test_formatter_deserialization_invalid() {
1460        let raw_auto = "{\"formatter\": {}}";
1461        let result: Result<LanguageSettingsContent, _> = serde_json::from_str(raw_auto);
1462        assert!(result.is_err());
1463    }
1464
1465    #[gpui::test]
1466    fn test_edit_predictions_enabled_for_file(cx: &mut TestAppContext) {
1467        use crate::TestFile;
1468        use std::path::PathBuf;
1469
1470        let cx = cx.app.borrow_mut();
1471
1472        let build_settings = |globs: &[&str]| -> EditPredictionSettings {
1473            EditPredictionSettings {
1474                disabled_globs: globs
1475                    .iter()
1476                    .map(|glob_str| {
1477                        #[cfg(windows)]
1478                        let glob_str = {
1479                            let mut g = String::new();
1480
1481                            if glob_str.starts_with('/') {
1482                                g.push_str("C:");
1483                            }
1484
1485                            g.push_str(&glob_str.replace('/', "\\"));
1486                            g
1487                        };
1488                        #[cfg(windows)]
1489                        let glob_str = glob_str.as_str();
1490
1491                        DisabledGlob {
1492                            matcher: globset::Glob::new(glob_str).unwrap().compile_matcher(),
1493                            is_absolute: Path::new(glob_str).is_absolute(),
1494                        }
1495                    })
1496                    .collect(),
1497                ..Default::default()
1498            }
1499        };
1500
1501        const WORKTREE_NAME: &str = "project";
1502        let make_test_file = |segments: &[&str]| -> Arc<dyn File> {
1503            let mut path_buf = PathBuf::new();
1504            path_buf.extend(segments);
1505
1506            Arc::new(TestFile {
1507                path: path_buf.as_path().into(),
1508                root_name: WORKTREE_NAME.to_string(),
1509                local_root: Some(PathBuf::from(if cfg!(windows) {
1510                    "C:\\absolute\\"
1511                } else {
1512                    "/absolute/"
1513                })),
1514            })
1515        };
1516
1517        let test_file = make_test_file(&["src", "test", "file.rs"]);
1518
1519        // Test relative globs
1520        let settings = build_settings(&["*.rs"]);
1521        assert!(!settings.enabled_for_file(&test_file, &cx));
1522        let settings = build_settings(&["*.txt"]);
1523        assert!(settings.enabled_for_file(&test_file, &cx));
1524
1525        // Test absolute globs
1526        let settings = build_settings(&["/absolute/**/*.rs"]);
1527        assert!(!settings.enabled_for_file(&test_file, &cx));
1528        let settings = build_settings(&["/other/**/*.rs"]);
1529        assert!(settings.enabled_for_file(&test_file, &cx));
1530
1531        // Test exact path match relative
1532        let settings = build_settings(&["src/test/file.rs"]);
1533        assert!(!settings.enabled_for_file(&test_file, &cx));
1534        let settings = build_settings(&["src/test/otherfile.rs"]);
1535        assert!(settings.enabled_for_file(&test_file, &cx));
1536
1537        // Test exact path match absolute
1538        let settings = build_settings(&[&format!("/absolute/{}/src/test/file.rs", WORKTREE_NAME)]);
1539        assert!(!settings.enabled_for_file(&test_file, &cx));
1540        let settings = build_settings(&["/other/test/otherfile.rs"]);
1541        assert!(settings.enabled_for_file(&test_file, &cx));
1542
1543        // Test * glob
1544        let settings = build_settings(&["*"]);
1545        assert!(!settings.enabled_for_file(&test_file, &cx));
1546        let settings = build_settings(&["*.txt"]);
1547        assert!(settings.enabled_for_file(&test_file, &cx));
1548
1549        // Test **/* glob
1550        let settings = build_settings(&["**/*"]);
1551        assert!(!settings.enabled_for_file(&test_file, &cx));
1552        let settings = build_settings(&["other/**/*"]);
1553        assert!(settings.enabled_for_file(&test_file, &cx));
1554
1555        // Test directory/** glob
1556        let settings = build_settings(&["src/**"]);
1557        assert!(!settings.enabled_for_file(&test_file, &cx));
1558
1559        let test_file_root: Arc<dyn File> = Arc::new(TestFile {
1560            path: PathBuf::from("file.rs").as_path().into(),
1561            root_name: WORKTREE_NAME.to_string(),
1562            local_root: Some(PathBuf::from("/absolute/")),
1563        });
1564        assert!(settings.enabled_for_file(&test_file_root, &cx));
1565
1566        let settings = build_settings(&["other/**"]);
1567        assert!(settings.enabled_for_file(&test_file, &cx));
1568
1569        // Test **/directory/* glob
1570        let settings = build_settings(&["**/test/*"]);
1571        assert!(!settings.enabled_for_file(&test_file, &cx));
1572        let settings = build_settings(&["**/other/*"]);
1573        assert!(settings.enabled_for_file(&test_file, &cx));
1574
1575        // Test multiple globs
1576        let settings = build_settings(&["*.rs", "*.txt", "src/**"]);
1577        assert!(!settings.enabled_for_file(&test_file, &cx));
1578        let settings = build_settings(&["*.txt", "*.md", "other/**"]);
1579        assert!(settings.enabled_for_file(&test_file, &cx));
1580
1581        // Test dot files
1582        let dot_file = make_test_file(&[".config", "settings.json"]);
1583        let settings = build_settings(&[".*/**"]);
1584        assert!(!settings.enabled_for_file(&dot_file, &cx));
1585
1586        let dot_env_file = make_test_file(&[".env"]);
1587        let settings = build_settings(&[".env"]);
1588        assert!(!settings.enabled_for_file(&dot_env_file, &cx));
1589    }
1590
1591    #[test]
1592    pub fn test_resolve_language_servers() {
1593        fn language_server_names(names: &[&str]) -> Vec<LanguageServerName> {
1594            names
1595                .iter()
1596                .copied()
1597                .map(|name| LanguageServerName(name.to_string().into()))
1598                .collect::<Vec<_>>()
1599        }
1600
1601        let available_language_servers = language_server_names(&[
1602            "typescript-language-server",
1603            "biome",
1604            "deno",
1605            "eslint",
1606            "tailwind",
1607        ]);
1608
1609        // A value of just `["..."]` is the same as taking all of the available language servers.
1610        assert_eq!(
1611            LanguageSettings::resolve_language_servers(
1612                &[LanguageSettings::REST_OF_LANGUAGE_SERVERS.into()],
1613                &available_language_servers,
1614            ),
1615            available_language_servers
1616        );
1617
1618        // Referencing one of the available language servers will change its order.
1619        assert_eq!(
1620            LanguageSettings::resolve_language_servers(
1621                &[
1622                    "biome".into(),
1623                    LanguageSettings::REST_OF_LANGUAGE_SERVERS.into(),
1624                    "deno".into()
1625                ],
1626                &available_language_servers
1627            ),
1628            language_server_names(&[
1629                "biome",
1630                "typescript-language-server",
1631                "eslint",
1632                "tailwind",
1633                "deno",
1634            ])
1635        );
1636
1637        // Negating an available language server removes it from the list.
1638        assert_eq!(
1639            LanguageSettings::resolve_language_servers(
1640                &[
1641                    "deno".into(),
1642                    "!typescript-language-server".into(),
1643                    "!biome".into(),
1644                    LanguageSettings::REST_OF_LANGUAGE_SERVERS.into()
1645                ],
1646                &available_language_servers
1647            ),
1648            language_server_names(&["deno", "eslint", "tailwind"])
1649        );
1650
1651        // Adding a language server not in the list of available language servers adds it to the list.
1652        assert_eq!(
1653            LanguageSettings::resolve_language_servers(
1654                &[
1655                    "my-cool-language-server".into(),
1656                    LanguageSettings::REST_OF_LANGUAGE_SERVERS.into()
1657                ],
1658                &available_language_servers
1659            ),
1660            language_server_names(&[
1661                "my-cool-language-server",
1662                "typescript-language-server",
1663                "biome",
1664                "deno",
1665                "eslint",
1666                "tailwind",
1667            ])
1668        );
1669    }
1670}