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    /// Completion settings for this language.
 155    pub completions: CompletionSettings,
 156}
 157
 158impl LanguageSettings {
 159    /// A token representing the rest of the available language servers.
 160    const REST_OF_LANGUAGE_SERVERS: &'static str = "...";
 161
 162    /// Returns the customized list of language servers from the list of
 163    /// available language servers.
 164    pub fn customized_language_servers(
 165        &self,
 166        available_language_servers: &[LanguageServerName],
 167    ) -> Vec<LanguageServerName> {
 168        Self::resolve_language_servers(&self.language_servers, available_language_servers)
 169    }
 170
 171    pub(crate) fn resolve_language_servers(
 172        configured_language_servers: &[String],
 173        available_language_servers: &[LanguageServerName],
 174    ) -> Vec<LanguageServerName> {
 175        let (disabled_language_servers, enabled_language_servers): (
 176            Vec<LanguageServerName>,
 177            Vec<LanguageServerName>,
 178        ) = configured_language_servers.iter().partition_map(
 179            |language_server| match language_server.strip_prefix('!') {
 180                Some(disabled) => Either::Left(LanguageServerName(disabled.to_string().into())),
 181                None => Either::Right(LanguageServerName(language_server.clone().into())),
 182            },
 183        );
 184
 185        let rest = available_language_servers
 186            .iter()
 187            .filter(|&available_language_server| {
 188                !disabled_language_servers.contains(&available_language_server)
 189                    && !enabled_language_servers.contains(&available_language_server)
 190            })
 191            .cloned()
 192            .collect::<Vec<_>>();
 193
 194        enabled_language_servers
 195            .into_iter()
 196            .flat_map(|language_server| {
 197                if language_server.0.as_ref() == Self::REST_OF_LANGUAGE_SERVERS {
 198                    rest.clone()
 199                } else {
 200                    vec![language_server.clone()]
 201                }
 202            })
 203            .collect::<Vec<_>>()
 204    }
 205}
 206
 207/// The provider that supplies edit predictions.
 208#[derive(Copy, Clone, Debug, Default, Eq, PartialEq, Serialize, Deserialize, JsonSchema)]
 209#[serde(rename_all = "snake_case")]
 210pub enum EditPredictionProvider {
 211    None,
 212    #[default]
 213    Copilot,
 214    Supermaven,
 215    Zed,
 216}
 217
 218impl EditPredictionProvider {
 219    pub fn is_zed(&self) -> bool {
 220        match self {
 221            EditPredictionProvider::Zed => true,
 222            EditPredictionProvider::None
 223            | EditPredictionProvider::Copilot
 224            | EditPredictionProvider::Supermaven => false,
 225        }
 226    }
 227}
 228
 229/// The settings for edit predictions, such as [GitHub Copilot](https://github.com/features/copilot)
 230/// or [Supermaven](https://supermaven.com).
 231#[derive(Clone, Debug, Default)]
 232pub struct EditPredictionSettings {
 233    /// The provider that supplies edit predictions.
 234    pub provider: EditPredictionProvider,
 235    /// A list of globs representing files that edit predictions should be disabled for.
 236    /// This list adds to a pre-existing, sensible default set of globs.
 237    /// Any additional ones you add are combined with them.
 238    pub disabled_globs: Vec<DisabledGlob>,
 239    /// Configures how edit predictions are displayed in the buffer.
 240    pub mode: EditPredictionsMode,
 241    /// Settings specific to GitHub Copilot.
 242    pub copilot: CopilotSettings,
 243    /// Whether edit predictions are enabled in the assistant panel.
 244    /// This setting has no effect if globally disabled.
 245    pub enabled_in_assistant: bool,
 246}
 247
 248impl EditPredictionSettings {
 249    /// Returns whether edit predictions are enabled for the given path.
 250    pub fn enabled_for_file(&self, file: &Arc<dyn File>, cx: &App) -> bool {
 251        !self.disabled_globs.iter().any(|glob| {
 252            if glob.is_absolute {
 253                file.as_local()
 254                    .map_or(false, |local| glob.matcher.is_match(local.abs_path(cx)))
 255            } else {
 256                glob.matcher.is_match(file.path())
 257            }
 258        })
 259    }
 260}
 261
 262#[derive(Clone, Debug)]
 263pub struct DisabledGlob {
 264    matcher: GlobMatcher,
 265    is_absolute: bool,
 266}
 267
 268/// The mode in which edit predictions should be displayed.
 269#[derive(Copy, Clone, Debug, Default, Eq, PartialEq, Serialize, Deserialize, JsonSchema)]
 270#[serde(rename_all = "snake_case")]
 271pub enum EditPredictionsMode {
 272    /// If provider supports it, display inline when holding modifier key (e.g., alt).
 273    /// Otherwise, eager preview is used.
 274    #[serde(alias = "auto")]
 275    Subtle,
 276    /// Display inline when there are no language server completions available.
 277    #[default]
 278    #[serde(alias = "eager_preview")]
 279    Eager,
 280}
 281
 282#[derive(Clone, Debug, Default)]
 283pub struct CopilotSettings {
 284    /// HTTP/HTTPS proxy to use for Copilot.
 285    pub proxy: Option<String>,
 286    /// Disable certificate verification for proxy (not recommended).
 287    pub proxy_no_verify: Option<bool>,
 288}
 289
 290/// The settings for all languages.
 291#[derive(Debug, Clone, Default, PartialEq, Serialize, Deserialize, JsonSchema)]
 292pub struct AllLanguageSettingsContent {
 293    /// The settings for enabling/disabling features.
 294    #[serde(default)]
 295    pub features: Option<FeaturesContent>,
 296    /// The edit prediction settings.
 297    #[serde(default)]
 298    pub edit_predictions: Option<EditPredictionSettingsContent>,
 299    /// The default language settings.
 300    #[serde(flatten)]
 301    pub defaults: LanguageSettingsContent,
 302    /// The settings for individual languages.
 303    #[serde(default)]
 304    pub languages: HashMap<LanguageName, LanguageSettingsContent>,
 305    /// Settings for associating file extensions and filenames
 306    /// with languages.
 307    #[serde(default)]
 308    pub file_types: HashMap<Arc<str>, Vec<String>>,
 309}
 310
 311/// Controls how completions are processed for this language.
 312#[derive(Copy, Clone, Debug, Serialize, Deserialize, PartialEq, Eq, JsonSchema)]
 313#[serde(rename_all = "snake_case")]
 314pub struct CompletionSettings {
 315    /// Controls how words are completed.
 316    /// For large documents, not all words may be fetched for completion.
 317    ///
 318    /// Default: `fallback`
 319    #[serde(default = "default_words_completion_mode")]
 320    pub words: WordsCompletionMode,
 321    /// Whether to fetch LSP completions or not.
 322    ///
 323    /// Default: true
 324    #[serde(default = "default_true")]
 325    pub lsp: bool,
 326    /// When fetching LSP completions, determines how long to wait for a response of a particular server.
 327    /// When set to 0, waits indefinitely.
 328    ///
 329    /// Default: 500
 330    #[serde(default = "lsp_fetch_timeout_ms")]
 331    pub lsp_fetch_timeout_ms: u64,
 332}
 333
 334/// Controls how document's words are completed.
 335#[derive(Copy, Clone, Debug, Serialize, Deserialize, PartialEq, Eq, JsonSchema)]
 336#[serde(rename_all = "snake_case")]
 337pub enum WordsCompletionMode {
 338    /// Always fetch document's words for completions.
 339    Enabled,
 340    /// Only if LSP response errors/times out/is empty,
 341    /// use document's words to show completions.
 342    Fallback,
 343    /// Never fetch or complete document's words for completions.
 344    Disabled,
 345}
 346
 347fn default_words_completion_mode() -> WordsCompletionMode {
 348    WordsCompletionMode::Fallback
 349}
 350
 351fn lsp_fetch_timeout_ms() -> u64 {
 352    500
 353}
 354
 355/// The settings for a particular language.
 356#[derive(Debug, Clone, Default, PartialEq, Serialize, Deserialize, JsonSchema)]
 357pub struct LanguageSettingsContent {
 358    /// How many columns a tab should occupy.
 359    ///
 360    /// Default: 4
 361    #[serde(default)]
 362    pub tab_size: Option<NonZeroU32>,
 363    /// Whether to indent lines using tab characters, as opposed to multiple
 364    /// spaces.
 365    ///
 366    /// Default: false
 367    #[serde(default)]
 368    pub hard_tabs: Option<bool>,
 369    /// How to soft-wrap long lines of text.
 370    ///
 371    /// Default: none
 372    #[serde(default)]
 373    pub soft_wrap: Option<SoftWrap>,
 374    /// The column at which to soft-wrap lines, for buffers where soft-wrap
 375    /// is enabled.
 376    ///
 377    /// Default: 80
 378    #[serde(default)]
 379    pub preferred_line_length: Option<u32>,
 380    /// Whether to show wrap guides in the editor. Setting this to true will
 381    /// show a guide at the 'preferred_line_length' value if softwrap is set to
 382    /// 'preferred_line_length', and will show any additional guides as specified
 383    /// by the 'wrap_guides' setting.
 384    ///
 385    /// Default: true
 386    #[serde(default)]
 387    pub show_wrap_guides: Option<bool>,
 388    /// Character counts at which to show wrap guides in the editor.
 389    ///
 390    /// Default: []
 391    #[serde(default)]
 392    pub wrap_guides: Option<Vec<usize>>,
 393    /// Indent guide related settings.
 394    #[serde(default)]
 395    pub indent_guides: Option<IndentGuideSettings>,
 396    /// Whether or not to perform a buffer format before saving.
 397    ///
 398    /// Default: on
 399    #[serde(default)]
 400    pub format_on_save: Option<FormatOnSave>,
 401    /// Whether or not to remove any trailing whitespace from lines of a buffer
 402    /// before saving it.
 403    ///
 404    /// Default: true
 405    #[serde(default)]
 406    pub remove_trailing_whitespace_on_save: Option<bool>,
 407    /// Whether or not to ensure there's a single newline at the end of a buffer
 408    /// when saving it.
 409    ///
 410    /// Default: true
 411    #[serde(default)]
 412    pub ensure_final_newline_on_save: Option<bool>,
 413    /// How to perform a buffer format.
 414    ///
 415    /// Default: auto
 416    #[serde(default)]
 417    pub formatter: Option<SelectedFormatter>,
 418    /// Zed's Prettier integration settings.
 419    /// Allows to enable/disable formatting with Prettier
 420    /// and configure default Prettier, used when no project-level Prettier installation is found.
 421    ///
 422    /// Default: off
 423    #[serde(default)]
 424    pub prettier: Option<PrettierSettings>,
 425    /// Whether to automatically close JSX tags.
 426    #[serde(default)]
 427    pub jsx_tag_auto_close: Option<JsxTagAutoCloseSettings>,
 428    /// Whether to use language servers to provide code intelligence.
 429    ///
 430    /// Default: true
 431    #[serde(default)]
 432    pub enable_language_server: Option<bool>,
 433    /// The list of language servers to use (or disable) for this language.
 434    ///
 435    /// This array should consist of language server IDs, as well as the following
 436    /// special tokens:
 437    /// - `"!<language_server_id>"` - A language server ID prefixed with a `!` will be disabled.
 438    /// - `"..."` - A placeholder to refer to the **rest** of the registered language servers for this language.
 439    ///
 440    /// Default: ["..."]
 441    #[serde(default)]
 442    pub language_servers: Option<Vec<String>>,
 443    /// Controls where the `editor::Rewrap` action is allowed for this language.
 444    ///
 445    /// Note: This setting has no effect in Vim mode, as rewrap is already
 446    /// allowed everywhere.
 447    ///
 448    /// Default: "in_comments"
 449    #[serde(default)]
 450    pub allow_rewrap: Option<RewrapBehavior>,
 451    /// Controls whether edit predictions are shown immediately (true)
 452    /// or manually by triggering `editor::ShowEditPrediction` (false).
 453    ///
 454    /// Default: true
 455    #[serde(default)]
 456    pub show_edit_predictions: Option<bool>,
 457    /// Controls whether edit predictions are shown in the given language
 458    /// scopes.
 459    ///
 460    /// Example: ["string", "comment"]
 461    ///
 462    /// Default: []
 463    #[serde(default)]
 464    pub edit_predictions_disabled_in: Option<Vec<String>>,
 465    /// Whether to show tabs and spaces in the editor.
 466    #[serde(default)]
 467    pub show_whitespaces: Option<ShowWhitespaceSetting>,
 468    /// Whether to start a new line with a comment when a previous line is a comment as well.
 469    ///
 470    /// Default: true
 471    #[serde(default)]
 472    pub extend_comment_on_newline: Option<bool>,
 473    /// Inlay hint related settings.
 474    #[serde(default)]
 475    pub inlay_hints: Option<InlayHintSettings>,
 476    /// Whether to automatically type closing characters for you. For example,
 477    /// when you type (, Zed will automatically add a closing ) at the correct position.
 478    ///
 479    /// Default: true
 480    pub use_autoclose: Option<bool>,
 481    /// Whether to automatically surround text with characters for you. For example,
 482    /// when you select text and type (, Zed will automatically surround text with ().
 483    ///
 484    /// Default: true
 485    pub use_auto_surround: Option<bool>,
 486    /// Controls how the editor handles the autoclosed characters.
 487    /// When set to `false`(default), skipping over and auto-removing of the closing characters
 488    /// happen only for auto-inserted characters.
 489    /// Otherwise(when `true`), the closing characters are always skipped over and auto-removed
 490    /// no matter how they were inserted.
 491    ///
 492    /// Default: false
 493    pub always_treat_brackets_as_autoclosed: Option<bool>,
 494    /// Whether to use additional LSP queries to format (and amend) the code after
 495    /// every "trigger" symbol input, defined by LSP server capabilities.
 496    ///
 497    /// Default: true
 498    pub use_on_type_format: Option<bool>,
 499    /// Which code actions to run on save after the formatter.
 500    /// These are not run if formatting is off.
 501    ///
 502    /// Default: {} (or {"source.organizeImports": true} for Go).
 503    pub code_actions_on_format: Option<HashMap<String, bool>>,
 504    /// Whether to perform linked edits of associated ranges, if the language server supports it.
 505    /// For example, when editing opening <html> tag, the contents of the closing </html> tag will be edited as well.
 506    ///
 507    /// Default: true
 508    pub linked_edits: Option<bool>,
 509    /// Whether indentation of pasted content should be adjusted based on the context.
 510    ///
 511    /// Default: true
 512    pub auto_indent_on_paste: Option<bool>,
 513    /// Task configuration for this language.
 514    ///
 515    /// Default: {}
 516    pub tasks: Option<LanguageTaskConfig>,
 517    /// Whether to pop the completions menu while typing in an editor without
 518    /// explicitly requesting it.
 519    ///
 520    /// Default: true
 521    pub show_completions_on_input: Option<bool>,
 522    /// Whether to display inline and alongside documentation for items in the
 523    /// completions menu.
 524    ///
 525    /// Default: true
 526    pub show_completion_documentation: Option<bool>,
 527    /// Controls how completions are processed for this language.
 528    pub completions: Option<CompletionSettings>,
 529}
 530
 531/// The behavior of `editor::Rewrap`.
 532#[derive(Debug, PartialEq, Clone, Copy, Default, Serialize, Deserialize, JsonSchema)]
 533#[serde(rename_all = "snake_case")]
 534pub enum RewrapBehavior {
 535    /// Only rewrap within comments.
 536    #[default]
 537    InComments,
 538    /// Only rewrap within the current selection(s).
 539    InSelections,
 540    /// Allow rewrapping anywhere.
 541    Anywhere,
 542}
 543
 544/// The contents of the edit prediction settings.
 545#[derive(Clone, Debug, Default, Serialize, Deserialize, JsonSchema, PartialEq)]
 546pub struct EditPredictionSettingsContent {
 547    /// A list of globs representing files that edit predictions should be disabled for.
 548    /// This list adds to a pre-existing, sensible default set of globs.
 549    /// Any additional ones you add are combined with them.
 550    #[serde(default)]
 551    pub disabled_globs: Option<Vec<String>>,
 552    /// The mode used to display edit predictions in the buffer.
 553    /// Provider support required.
 554    #[serde(default)]
 555    pub mode: EditPredictionsMode,
 556    /// Settings specific to GitHub Copilot.
 557    #[serde(default)]
 558    pub copilot: CopilotSettingsContent,
 559    /// Whether edit predictions are enabled in the assistant prompt editor.
 560    /// This has no effect if globally disabled.
 561    #[serde(default = "default_true")]
 562    pub enabled_in_assistant: bool,
 563}
 564
 565#[derive(Clone, Debug, Default, Serialize, Deserialize, JsonSchema, PartialEq)]
 566pub struct CopilotSettingsContent {
 567    /// HTTP/HTTPS proxy to use for Copilot.
 568    ///
 569    /// Default: none
 570    #[serde(default)]
 571    pub proxy: Option<String>,
 572    /// Disable certificate verification for the proxy (not recommended).
 573    ///
 574    /// Default: false
 575    #[serde(default)]
 576    pub proxy_no_verify: Option<bool>,
 577}
 578
 579/// The settings for enabling/disabling features.
 580#[derive(Debug, Clone, PartialEq, Default, Serialize, Deserialize, JsonSchema)]
 581#[serde(rename_all = "snake_case")]
 582pub struct FeaturesContent {
 583    /// Determines which edit prediction provider to use.
 584    pub edit_prediction_provider: Option<EditPredictionProvider>,
 585}
 586
 587/// Controls the soft-wrapping behavior in the editor.
 588#[derive(Copy, Clone, Debug, Serialize, Deserialize, PartialEq, Eq, JsonSchema)]
 589#[serde(rename_all = "snake_case")]
 590pub enum SoftWrap {
 591    /// Prefer a single line generally, unless an overly long line is encountered.
 592    None,
 593    /// Deprecated: use None instead. Left to avoid breaking existing users' configs.
 594    /// Prefer a single line generally, unless an overly long line is encountered.
 595    PreferLine,
 596    /// Soft wrap lines that exceed the editor width.
 597    EditorWidth,
 598    /// Soft wrap lines at the preferred line length.
 599    PreferredLineLength,
 600    /// Soft wrap line at the preferred line length or the editor width (whichever is smaller).
 601    Bounded,
 602}
 603
 604/// Controls the behavior of formatting files when they are saved.
 605#[derive(Debug, Clone, PartialEq, Eq)]
 606pub enum FormatOnSave {
 607    /// Files should be formatted on save.
 608    On,
 609    /// Files should not be formatted on save.
 610    Off,
 611    List(FormatterList),
 612}
 613
 614impl JsonSchema for FormatOnSave {
 615    fn schema_name() -> String {
 616        "OnSaveFormatter".into()
 617    }
 618
 619    fn json_schema(generator: &mut schemars::r#gen::SchemaGenerator) -> Schema {
 620        let mut schema = SchemaObject::default();
 621        let formatter_schema = Formatter::json_schema(generator);
 622        schema.instance_type = Some(
 623            vec![
 624                InstanceType::Object,
 625                InstanceType::String,
 626                InstanceType::Array,
 627            ]
 628            .into(),
 629        );
 630
 631        let valid_raw_values = SchemaObject {
 632            enum_values: Some(vec![
 633                Value::String("on".into()),
 634                Value::String("off".into()),
 635                Value::String("prettier".into()),
 636                Value::String("language_server".into()),
 637            ]),
 638            ..Default::default()
 639        };
 640        let mut nested_values = SchemaObject::default();
 641
 642        nested_values.array().items = Some(formatter_schema.clone().into());
 643
 644        schema.subschemas().any_of = Some(vec![
 645            nested_values.into(),
 646            valid_raw_values.into(),
 647            formatter_schema,
 648        ]);
 649        schema.into()
 650    }
 651}
 652
 653impl Serialize for FormatOnSave {
 654    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
 655    where
 656        S: serde::Serializer,
 657    {
 658        match self {
 659            Self::On => serializer.serialize_str("on"),
 660            Self::Off => serializer.serialize_str("off"),
 661            Self::List(list) => list.serialize(serializer),
 662        }
 663    }
 664}
 665
 666impl<'de> Deserialize<'de> for FormatOnSave {
 667    fn deserialize<D>(deserializer: D) -> std::result::Result<Self, D::Error>
 668    where
 669        D: Deserializer<'de>,
 670    {
 671        struct FormatDeserializer;
 672
 673        impl<'d> Visitor<'d> for FormatDeserializer {
 674            type Value = FormatOnSave;
 675
 676            fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
 677                formatter.write_str("a valid on-save formatter kind")
 678            }
 679            fn visit_str<E>(self, v: &str) -> std::result::Result<Self::Value, E>
 680            where
 681                E: serde::de::Error,
 682            {
 683                if v == "on" {
 684                    Ok(Self::Value::On)
 685                } else if v == "off" {
 686                    Ok(Self::Value::Off)
 687                } else if v == "language_server" {
 688                    Ok(Self::Value::List(FormatterList(
 689                        Formatter::LanguageServer { name: None }.into(),
 690                    )))
 691                } else {
 692                    let ret: Result<FormatterList, _> =
 693                        Deserialize::deserialize(v.into_deserializer());
 694                    ret.map(Self::Value::List)
 695                }
 696            }
 697            fn visit_map<A>(self, map: A) -> Result<Self::Value, A::Error>
 698            where
 699                A: MapAccess<'d>,
 700            {
 701                let ret: Result<FormatterList, _> =
 702                    Deserialize::deserialize(de::value::MapAccessDeserializer::new(map));
 703                ret.map(Self::Value::List)
 704            }
 705            fn visit_seq<A>(self, map: A) -> Result<Self::Value, A::Error>
 706            where
 707                A: SeqAccess<'d>,
 708            {
 709                let ret: Result<FormatterList, _> =
 710                    Deserialize::deserialize(de::value::SeqAccessDeserializer::new(map));
 711                ret.map(Self::Value::List)
 712            }
 713        }
 714        deserializer.deserialize_any(FormatDeserializer)
 715    }
 716}
 717
 718/// Controls how whitespace should be displayedin the editor.
 719#[derive(Copy, Clone, Debug, Serialize, Deserialize, PartialEq, Eq, JsonSchema)]
 720#[serde(rename_all = "snake_case")]
 721pub enum ShowWhitespaceSetting {
 722    /// Draw whitespace only for the selected text.
 723    Selection,
 724    /// Do not draw any tabs or spaces.
 725    None,
 726    /// Draw all invisible symbols.
 727    All,
 728    /// Draw whitespaces at boundaries only.
 729    ///
 730    /// For a whitespace to be on a boundary, any of the following conditions need to be met:
 731    /// - It is a tab
 732    /// - It is adjacent to an edge (start or end)
 733    /// - It is adjacent to a whitespace (left or right)
 734    Boundary,
 735}
 736
 737/// Controls which formatter should be used when formatting code.
 738#[derive(Clone, Debug, Default, PartialEq, Eq)]
 739pub enum SelectedFormatter {
 740    /// Format files using Zed's Prettier integration (if applicable),
 741    /// or falling back to formatting via language server.
 742    #[default]
 743    Auto,
 744    List(FormatterList),
 745}
 746
 747impl JsonSchema for SelectedFormatter {
 748    fn schema_name() -> String {
 749        "Formatter".into()
 750    }
 751
 752    fn json_schema(generator: &mut schemars::r#gen::SchemaGenerator) -> Schema {
 753        let mut schema = SchemaObject::default();
 754        let formatter_schema = Formatter::json_schema(generator);
 755        schema.instance_type = Some(
 756            vec![
 757                InstanceType::Object,
 758                InstanceType::String,
 759                InstanceType::Array,
 760            ]
 761            .into(),
 762        );
 763
 764        let valid_raw_values = SchemaObject {
 765            enum_values: Some(vec![
 766                Value::String("auto".into()),
 767                Value::String("prettier".into()),
 768                Value::String("language_server".into()),
 769            ]),
 770            ..Default::default()
 771        };
 772
 773        let mut nested_values = SchemaObject::default();
 774
 775        nested_values.array().items = Some(formatter_schema.clone().into());
 776
 777        schema.subschemas().any_of = Some(vec![
 778            nested_values.into(),
 779            valid_raw_values.into(),
 780            formatter_schema,
 781        ]);
 782        schema.into()
 783    }
 784}
 785
 786impl Serialize for SelectedFormatter {
 787    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
 788    where
 789        S: serde::Serializer,
 790    {
 791        match self {
 792            SelectedFormatter::Auto => serializer.serialize_str("auto"),
 793            SelectedFormatter::List(list) => list.serialize(serializer),
 794        }
 795    }
 796}
 797impl<'de> Deserialize<'de> for SelectedFormatter {
 798    fn deserialize<D>(deserializer: D) -> std::result::Result<Self, D::Error>
 799    where
 800        D: Deserializer<'de>,
 801    {
 802        struct FormatDeserializer;
 803
 804        impl<'d> Visitor<'d> for FormatDeserializer {
 805            type Value = SelectedFormatter;
 806
 807            fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
 808                formatter.write_str("a valid formatter kind")
 809            }
 810            fn visit_str<E>(self, v: &str) -> std::result::Result<Self::Value, E>
 811            where
 812                E: serde::de::Error,
 813            {
 814                if v == "auto" {
 815                    Ok(Self::Value::Auto)
 816                } else if v == "language_server" {
 817                    Ok(Self::Value::List(FormatterList(
 818                        Formatter::LanguageServer { name: None }.into(),
 819                    )))
 820                } else {
 821                    let ret: Result<FormatterList, _> =
 822                        Deserialize::deserialize(v.into_deserializer());
 823                    ret.map(SelectedFormatter::List)
 824                }
 825            }
 826            fn visit_map<A>(self, map: A) -> Result<Self::Value, A::Error>
 827            where
 828                A: MapAccess<'d>,
 829            {
 830                let ret: Result<FormatterList, _> =
 831                    Deserialize::deserialize(de::value::MapAccessDeserializer::new(map));
 832                ret.map(SelectedFormatter::List)
 833            }
 834            fn visit_seq<A>(self, map: A) -> Result<Self::Value, A::Error>
 835            where
 836                A: SeqAccess<'d>,
 837            {
 838                let ret: Result<FormatterList, _> =
 839                    Deserialize::deserialize(de::value::SeqAccessDeserializer::new(map));
 840                ret.map(SelectedFormatter::List)
 841            }
 842        }
 843        deserializer.deserialize_any(FormatDeserializer)
 844    }
 845}
 846/// Controls which formatter should be used when formatting code.
 847#[derive(Clone, Debug, Serialize, Deserialize, PartialEq, Eq, JsonSchema)]
 848#[serde(rename_all = "snake_case", transparent)]
 849pub struct FormatterList(pub SingleOrVec<Formatter>);
 850
 851impl AsRef<[Formatter]> for FormatterList {
 852    fn as_ref(&self) -> &[Formatter] {
 853        match &self.0 {
 854            SingleOrVec::Single(single) => slice::from_ref(single),
 855            SingleOrVec::Vec(v) => v,
 856        }
 857    }
 858}
 859
 860/// Controls which formatter should be used when formatting code. If there are multiple formatters, they are executed in the order of declaration.
 861#[derive(Clone, Debug, Serialize, Deserialize, PartialEq, Eq, JsonSchema)]
 862#[serde(rename_all = "snake_case")]
 863pub enum Formatter {
 864    /// Format code using the current language server.
 865    LanguageServer { name: Option<String> },
 866    /// Format code using Zed's Prettier integration.
 867    Prettier,
 868    /// Format code using an external command.
 869    External {
 870        /// The external program to run.
 871        command: Arc<str>,
 872        /// The arguments to pass to the program.
 873        arguments: Option<Arc<[String]>>,
 874    },
 875    /// Files should be formatted using code actions executed by language servers.
 876    CodeActions(HashMap<String, bool>),
 877}
 878
 879/// The settings for indent guides.
 880#[derive(Default, Debug, Copy, Clone, PartialEq, Eq, Serialize, Deserialize, JsonSchema)]
 881pub struct IndentGuideSettings {
 882    /// Whether to display indent guides in the editor.
 883    ///
 884    /// Default: true
 885    #[serde(default = "default_true")]
 886    pub enabled: bool,
 887    /// The width of the indent guides in pixels, between 1 and 10.
 888    ///
 889    /// Default: 1
 890    #[serde(default = "line_width")]
 891    pub line_width: u32,
 892    /// The width of the active indent guide in pixels, between 1 and 10.
 893    ///
 894    /// Default: 1
 895    #[serde(default = "active_line_width")]
 896    pub active_line_width: u32,
 897    /// Determines how indent guides are colored.
 898    ///
 899    /// Default: Fixed
 900    #[serde(default)]
 901    pub coloring: IndentGuideColoring,
 902    /// Determines how indent guide backgrounds are colored.
 903    ///
 904    /// Default: Disabled
 905    #[serde(default)]
 906    pub background_coloring: IndentGuideBackgroundColoring,
 907}
 908
 909fn line_width() -> u32 {
 910    1
 911}
 912
 913fn active_line_width() -> u32 {
 914    line_width()
 915}
 916
 917/// Determines how indent guides are colored.
 918#[derive(Default, Debug, Copy, Clone, PartialEq, Eq, Serialize, Deserialize, JsonSchema)]
 919#[serde(rename_all = "snake_case")]
 920pub enum IndentGuideColoring {
 921    /// Do not render any lines for indent guides.
 922    Disabled,
 923    /// Use the same color for all indentation levels.
 924    #[default]
 925    Fixed,
 926    /// Use a different color for each indentation level.
 927    IndentAware,
 928}
 929
 930/// Determines how indent guide backgrounds are colored.
 931#[derive(Default, Debug, Copy, Clone, PartialEq, Eq, Serialize, Deserialize, JsonSchema)]
 932#[serde(rename_all = "snake_case")]
 933pub enum IndentGuideBackgroundColoring {
 934    /// Do not render any background for indent guides.
 935    #[default]
 936    Disabled,
 937    /// Use a different color for each indentation level.
 938    IndentAware,
 939}
 940
 941/// The settings for inlay hints.
 942#[derive(Copy, Clone, Debug, Serialize, Deserialize, JsonSchema, PartialEq, Eq)]
 943pub struct InlayHintSettings {
 944    /// Global switch to toggle hints on and off.
 945    ///
 946    /// Default: false
 947    #[serde(default)]
 948    pub enabled: bool,
 949    /// Whether type hints should be shown.
 950    ///
 951    /// Default: true
 952    #[serde(default = "default_true")]
 953    pub show_type_hints: bool,
 954    /// Whether parameter hints should be shown.
 955    ///
 956    /// Default: true
 957    #[serde(default = "default_true")]
 958    pub show_parameter_hints: bool,
 959    /// Whether other hints should be shown.
 960    ///
 961    /// Default: true
 962    #[serde(default = "default_true")]
 963    pub show_other_hints: bool,
 964    /// Whether to show a background for inlay hints.
 965    ///
 966    /// If set to `true`, the background will use the `hint.background` color
 967    /// from the current theme.
 968    ///
 969    /// Default: false
 970    #[serde(default)]
 971    pub show_background: bool,
 972    /// Whether or not to debounce inlay hints updates after buffer edits.
 973    ///
 974    /// Set to 0 to disable debouncing.
 975    ///
 976    /// Default: 700
 977    #[serde(default = "edit_debounce_ms")]
 978    pub edit_debounce_ms: u64,
 979    /// Whether or not to debounce inlay hints updates after buffer scrolls.
 980    ///
 981    /// Set to 0 to disable debouncing.
 982    ///
 983    /// Default: 50
 984    #[serde(default = "scroll_debounce_ms")]
 985    pub scroll_debounce_ms: u64,
 986    /// Toggles inlay hints (hides or shows) when the user presses the modifiers specified.
 987    /// If only a subset of the modifiers specified is pressed, hints are not toggled.
 988    /// If no modifiers are specified, this is equivalent to `None`.
 989    ///
 990    /// Default: None
 991    #[serde(default)]
 992    pub toggle_on_modifiers_press: Option<Modifiers>,
 993}
 994
 995fn edit_debounce_ms() -> u64 {
 996    700
 997}
 998
 999fn scroll_debounce_ms() -> u64 {
1000    50
1001}
1002
1003/// The task settings for a particular language.
1004#[derive(Debug, Clone, Deserialize, PartialEq, Serialize, JsonSchema)]
1005pub struct LanguageTaskConfig {
1006    /// Extra task variables to set for a particular language.
1007    pub variables: HashMap<String, String>,
1008}
1009
1010impl InlayHintSettings {
1011    /// Returns the kinds of inlay hints that are enabled based on the settings.
1012    pub fn enabled_inlay_hint_kinds(&self) -> HashSet<Option<InlayHintKind>> {
1013        let mut kinds = HashSet::default();
1014        if self.show_type_hints {
1015            kinds.insert(Some(InlayHintKind::Type));
1016        }
1017        if self.show_parameter_hints {
1018            kinds.insert(Some(InlayHintKind::Parameter));
1019        }
1020        if self.show_other_hints {
1021            kinds.insert(None);
1022        }
1023        kinds
1024    }
1025}
1026
1027impl AllLanguageSettings {
1028    /// Returns the [`LanguageSettings`] for the language with the specified name.
1029    pub fn language<'a>(
1030        &'a self,
1031        location: Option<SettingsLocation<'a>>,
1032        language_name: Option<&LanguageName>,
1033        cx: &'a App,
1034    ) -> Cow<'a, LanguageSettings> {
1035        let settings = language_name
1036            .and_then(|name| self.languages.get(name))
1037            .unwrap_or(&self.defaults);
1038
1039        let editorconfig_properties = location.and_then(|location| {
1040            cx.global::<SettingsStore>()
1041                .editorconfig_properties(location.worktree_id, location.path)
1042        });
1043        if let Some(editorconfig_properties) = editorconfig_properties {
1044            let mut settings = settings.clone();
1045            merge_with_editorconfig(&mut settings, &editorconfig_properties);
1046            Cow::Owned(settings)
1047        } else {
1048            Cow::Borrowed(settings)
1049        }
1050    }
1051
1052    /// Returns whether edit predictions are enabled for the given path.
1053    pub fn edit_predictions_enabled_for_file(&self, file: &Arc<dyn File>, cx: &App) -> bool {
1054        self.edit_predictions.enabled_for_file(file, cx)
1055    }
1056
1057    /// Returns whether edit predictions are enabled for the given language and path.
1058    pub fn show_edit_predictions(&self, language: Option<&Arc<Language>>, cx: &App) -> bool {
1059        self.language(None, language.map(|l| l.name()).as_ref(), cx)
1060            .show_edit_predictions
1061    }
1062
1063    /// Returns the edit predictions preview mode for the given language and path.
1064    pub fn edit_predictions_mode(&self) -> EditPredictionsMode {
1065        self.edit_predictions.mode
1066    }
1067}
1068
1069fn merge_with_editorconfig(settings: &mut LanguageSettings, cfg: &EditorconfigProperties) {
1070    let tab_size = cfg.get::<IndentSize>().ok().and_then(|v| match v {
1071        IndentSize::Value(u) => NonZeroU32::new(u as u32),
1072        IndentSize::UseTabWidth => cfg.get::<TabWidth>().ok().and_then(|w| match w {
1073            TabWidth::Value(u) => NonZeroU32::new(u as u32),
1074        }),
1075    });
1076    let hard_tabs = cfg
1077        .get::<IndentStyle>()
1078        .map(|v| v.eq(&IndentStyle::Tabs))
1079        .ok();
1080    let ensure_final_newline_on_save = cfg
1081        .get::<FinalNewline>()
1082        .map(|v| match v {
1083            FinalNewline::Value(b) => b,
1084        })
1085        .ok();
1086    let remove_trailing_whitespace_on_save = cfg
1087        .get::<TrimTrailingWs>()
1088        .map(|v| match v {
1089            TrimTrailingWs::Value(b) => b,
1090        })
1091        .ok();
1092    fn merge<T>(target: &mut T, value: Option<T>) {
1093        if let Some(value) = value {
1094            *target = value;
1095        }
1096    }
1097    merge(&mut settings.tab_size, tab_size);
1098    merge(&mut settings.hard_tabs, hard_tabs);
1099    merge(
1100        &mut settings.remove_trailing_whitespace_on_save,
1101        remove_trailing_whitespace_on_save,
1102    );
1103    merge(
1104        &mut settings.ensure_final_newline_on_save,
1105        ensure_final_newline_on_save,
1106    );
1107}
1108
1109/// The kind of an inlay hint.
1110#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
1111pub enum InlayHintKind {
1112    /// An inlay hint for a type.
1113    Type,
1114    /// An inlay hint for a parameter.
1115    Parameter,
1116}
1117
1118impl InlayHintKind {
1119    /// Returns the [`InlayHintKind`] from the given name.
1120    ///
1121    /// Returns `None` if `name` does not match any of the expected
1122    /// string representations.
1123    pub fn from_name(name: &str) -> Option<Self> {
1124        match name {
1125            "type" => Some(InlayHintKind::Type),
1126            "parameter" => Some(InlayHintKind::Parameter),
1127            _ => None,
1128        }
1129    }
1130
1131    /// Returns the name of this [`InlayHintKind`].
1132    pub fn name(&self) -> &'static str {
1133        match self {
1134            InlayHintKind::Type => "type",
1135            InlayHintKind::Parameter => "parameter",
1136        }
1137    }
1138}
1139
1140impl settings::Settings for AllLanguageSettings {
1141    const KEY: Option<&'static str> = None;
1142
1143    type FileContent = AllLanguageSettingsContent;
1144
1145    fn load(sources: SettingsSources<Self::FileContent>, _: &mut App) -> Result<Self> {
1146        let default_value = sources.default;
1147
1148        // A default is provided for all settings.
1149        let mut defaults: LanguageSettings =
1150            serde_json::from_value(serde_json::to_value(&default_value.defaults)?)?;
1151
1152        let mut languages = HashMap::default();
1153        for (language_name, settings) in &default_value.languages {
1154            let mut language_settings = defaults.clone();
1155            merge_settings(&mut language_settings, settings);
1156            languages.insert(language_name.clone(), language_settings);
1157        }
1158
1159        let mut edit_prediction_provider = default_value
1160            .features
1161            .as_ref()
1162            .and_then(|f| f.edit_prediction_provider);
1163        let mut edit_predictions_mode = default_value
1164            .edit_predictions
1165            .as_ref()
1166            .map(|edit_predictions| edit_predictions.mode)
1167            .ok_or_else(Self::missing_default)?;
1168
1169        let mut completion_globs: HashSet<&String> = default_value
1170            .edit_predictions
1171            .as_ref()
1172            .and_then(|c| c.disabled_globs.as_ref())
1173            .map(|globs| globs.iter().collect())
1174            .ok_or_else(Self::missing_default)?;
1175
1176        let mut copilot_settings = default_value
1177            .edit_predictions
1178            .as_ref()
1179            .map(|settings| settings.copilot.clone())
1180            .map(|copilot| CopilotSettings {
1181                proxy: copilot.proxy,
1182                proxy_no_verify: copilot.proxy_no_verify,
1183            })
1184            .unwrap_or_default();
1185
1186        let mut edit_predictions_enabled_in_assistant = default_value
1187            .edit_predictions
1188            .as_ref()
1189            .map(|settings| settings.enabled_in_assistant)
1190            .unwrap_or(true);
1191
1192        let mut file_types: HashMap<Arc<str>, GlobSet> = HashMap::default();
1193
1194        for (language, suffixes) in &default_value.file_types {
1195            let mut builder = GlobSetBuilder::new();
1196
1197            for suffix in suffixes {
1198                builder.add(Glob::new(suffix)?);
1199            }
1200
1201            file_types.insert(language.clone(), builder.build()?);
1202        }
1203
1204        for user_settings in sources.customizations() {
1205            if let Some(provider) = user_settings
1206                .features
1207                .as_ref()
1208                .and_then(|f| f.edit_prediction_provider)
1209            {
1210                edit_prediction_provider = Some(provider);
1211            }
1212
1213            if let Some(edit_predictions) = user_settings.edit_predictions.as_ref() {
1214                edit_predictions_mode = edit_predictions.mode;
1215                edit_predictions_enabled_in_assistant = edit_predictions.enabled_in_assistant;
1216
1217                if let Some(disabled_globs) = edit_predictions.disabled_globs.as_ref() {
1218                    completion_globs.extend(disabled_globs.iter());
1219                }
1220            }
1221
1222            if let Some(proxy) = user_settings
1223                .edit_predictions
1224                .as_ref()
1225                .and_then(|settings| settings.copilot.proxy.clone())
1226            {
1227                copilot_settings.proxy = Some(proxy);
1228            }
1229
1230            if let Some(proxy_no_verify) = user_settings
1231                .edit_predictions
1232                .as_ref()
1233                .and_then(|settings| settings.copilot.proxy_no_verify)
1234            {
1235                copilot_settings.proxy_no_verify = Some(proxy_no_verify);
1236            }
1237
1238            // A user's global settings override the default global settings and
1239            // all default language-specific settings.
1240            merge_settings(&mut defaults, &user_settings.defaults);
1241            for language_settings in languages.values_mut() {
1242                merge_settings(language_settings, &user_settings.defaults);
1243            }
1244
1245            // A user's language-specific settings override default language-specific settings.
1246            for (language_name, user_language_settings) in &user_settings.languages {
1247                merge_settings(
1248                    languages
1249                        .entry(language_name.clone())
1250                        .or_insert_with(|| defaults.clone()),
1251                    user_language_settings,
1252                );
1253            }
1254
1255            for (language, suffixes) in &user_settings.file_types {
1256                let mut builder = GlobSetBuilder::new();
1257
1258                let default_value = default_value.file_types.get(&language.clone());
1259
1260                // Merge the default value with the user's value.
1261                if let Some(suffixes) = default_value {
1262                    for suffix in suffixes {
1263                        builder.add(Glob::new(suffix)?);
1264                    }
1265                }
1266
1267                for suffix in suffixes {
1268                    builder.add(Glob::new(suffix)?);
1269                }
1270
1271                file_types.insert(language.clone(), builder.build()?);
1272            }
1273        }
1274
1275        Ok(Self {
1276            edit_predictions: EditPredictionSettings {
1277                provider: if let Some(provider) = edit_prediction_provider {
1278                    provider
1279                } else {
1280                    EditPredictionProvider::None
1281                },
1282                disabled_globs: completion_globs
1283                    .iter()
1284                    .filter_map(|g| {
1285                        Some(DisabledGlob {
1286                            matcher: globset::Glob::new(g).ok()?.compile_matcher(),
1287                            is_absolute: Path::new(g).is_absolute(),
1288                        })
1289                    })
1290                    .collect(),
1291                mode: edit_predictions_mode,
1292                copilot: copilot_settings,
1293                enabled_in_assistant: edit_predictions_enabled_in_assistant,
1294            },
1295            defaults,
1296            languages,
1297            file_types,
1298        })
1299    }
1300
1301    fn json_schema(
1302        generator: &mut schemars::gen::SchemaGenerator,
1303        params: &settings::SettingsJsonSchemaParams,
1304        _: &App,
1305    ) -> schemars::schema::RootSchema {
1306        let mut root_schema = generator.root_schema_for::<Self::FileContent>();
1307
1308        // Create a schema for a 'languages overrides' object, associating editor
1309        // settings with specific languages.
1310        assert!(root_schema
1311            .definitions
1312            .contains_key("LanguageSettingsContent"));
1313
1314        let languages_object_schema = SchemaObject {
1315            instance_type: Some(InstanceType::Object.into()),
1316            object: Some(Box::new(ObjectValidation {
1317                properties: params
1318                    .language_names
1319                    .iter()
1320                    .map(|name| {
1321                        (
1322                            name.clone(),
1323                            Schema::new_ref("#/definitions/LanguageSettingsContent".into()),
1324                        )
1325                    })
1326                    .collect(),
1327                ..Default::default()
1328            })),
1329            ..Default::default()
1330        };
1331
1332        root_schema
1333            .definitions
1334            .extend([("Languages".into(), languages_object_schema.into())]);
1335
1336        add_references_to_properties(
1337            &mut root_schema,
1338            &[("languages", "#/definitions/Languages")],
1339        );
1340
1341        root_schema
1342    }
1343}
1344
1345fn merge_settings(settings: &mut LanguageSettings, src: &LanguageSettingsContent) {
1346    fn merge<T>(target: &mut T, value: Option<T>) {
1347        if let Some(value) = value {
1348            *target = value;
1349        }
1350    }
1351
1352    merge(&mut settings.tab_size, src.tab_size);
1353    settings.tab_size = settings
1354        .tab_size
1355        .clamp(NonZeroU32::new(1).unwrap(), NonZeroU32::new(16).unwrap());
1356
1357    merge(&mut settings.hard_tabs, src.hard_tabs);
1358    merge(&mut settings.soft_wrap, src.soft_wrap);
1359    merge(&mut settings.use_autoclose, src.use_autoclose);
1360    merge(&mut settings.use_auto_surround, src.use_auto_surround);
1361    merge(&mut settings.use_on_type_format, src.use_on_type_format);
1362    merge(&mut settings.auto_indent_on_paste, src.auto_indent_on_paste);
1363    merge(
1364        &mut settings.always_treat_brackets_as_autoclosed,
1365        src.always_treat_brackets_as_autoclosed,
1366    );
1367    merge(&mut settings.show_wrap_guides, src.show_wrap_guides);
1368    merge(&mut settings.wrap_guides, src.wrap_guides.clone());
1369    merge(&mut settings.indent_guides, src.indent_guides);
1370    merge(
1371        &mut settings.code_actions_on_format,
1372        src.code_actions_on_format.clone(),
1373    );
1374    merge(&mut settings.linked_edits, src.linked_edits);
1375    merge(&mut settings.tasks, src.tasks.clone());
1376
1377    merge(
1378        &mut settings.preferred_line_length,
1379        src.preferred_line_length,
1380    );
1381    merge(&mut settings.formatter, src.formatter.clone());
1382    merge(&mut settings.prettier, src.prettier.clone());
1383    merge(
1384        &mut settings.jsx_tag_auto_close,
1385        src.jsx_tag_auto_close.clone(),
1386    );
1387    merge(&mut settings.format_on_save, src.format_on_save.clone());
1388    merge(
1389        &mut settings.remove_trailing_whitespace_on_save,
1390        src.remove_trailing_whitespace_on_save,
1391    );
1392    merge(
1393        &mut settings.ensure_final_newline_on_save,
1394        src.ensure_final_newline_on_save,
1395    );
1396    merge(
1397        &mut settings.enable_language_server,
1398        src.enable_language_server,
1399    );
1400    merge(&mut settings.language_servers, src.language_servers.clone());
1401    merge(&mut settings.allow_rewrap, src.allow_rewrap);
1402    merge(
1403        &mut settings.show_edit_predictions,
1404        src.show_edit_predictions,
1405    );
1406    merge(
1407        &mut settings.edit_predictions_disabled_in,
1408        src.edit_predictions_disabled_in.clone(),
1409    );
1410    merge(&mut settings.show_whitespaces, src.show_whitespaces);
1411    merge(
1412        &mut settings.extend_comment_on_newline,
1413        src.extend_comment_on_newline,
1414    );
1415    merge(&mut settings.inlay_hints, src.inlay_hints);
1416    merge(
1417        &mut settings.show_completions_on_input,
1418        src.show_completions_on_input,
1419    );
1420    merge(
1421        &mut settings.show_completion_documentation,
1422        src.show_completion_documentation,
1423    );
1424    merge(&mut settings.completions, src.completions);
1425}
1426
1427/// Allows to enable/disable formatting with Prettier
1428/// and configure default Prettier, used when no project-level Prettier installation is found.
1429/// Prettier formatting is disabled by default.
1430#[derive(Default, Debug, Clone, PartialEq, Eq, Serialize, Deserialize, JsonSchema)]
1431pub struct PrettierSettings {
1432    /// Enables or disables formatting with Prettier for a given language.
1433    #[serde(default)]
1434    pub allowed: bool,
1435
1436    /// Forces Prettier integration to use a specific parser name when formatting files with the language.
1437    #[serde(default)]
1438    pub parser: Option<String>,
1439
1440    /// Forces Prettier integration to use specific plugins when formatting files with the language.
1441    /// The default Prettier will be installed with these plugins.
1442    #[serde(default)]
1443    pub plugins: HashSet<String>,
1444
1445    /// Default Prettier options, in the format as in package.json section for Prettier.
1446    /// If project installs Prettier via its package.json, these options will be ignored.
1447    #[serde(flatten)]
1448    pub options: HashMap<String, serde_json::Value>,
1449}
1450
1451#[derive(Default, Debug, Clone, PartialEq, Eq, Serialize, Deserialize, JsonSchema)]
1452pub struct JsxTagAutoCloseSettings {
1453    /// Enables or disables auto-closing of JSX tags.
1454    #[serde(default)]
1455    pub enabled: bool,
1456}
1457
1458#[cfg(test)]
1459mod tests {
1460    use gpui::TestAppContext;
1461
1462    use super::*;
1463
1464    #[test]
1465    fn test_formatter_deserialization() {
1466        let raw_auto = "{\"formatter\": \"auto\"}";
1467        let settings: LanguageSettingsContent = serde_json::from_str(raw_auto).unwrap();
1468        assert_eq!(settings.formatter, Some(SelectedFormatter::Auto));
1469        let raw = "{\"formatter\": \"language_server\"}";
1470        let settings: LanguageSettingsContent = serde_json::from_str(raw).unwrap();
1471        assert_eq!(
1472            settings.formatter,
1473            Some(SelectedFormatter::List(FormatterList(
1474                Formatter::LanguageServer { name: None }.into()
1475            )))
1476        );
1477        let raw = "{\"formatter\": [{\"language_server\": {\"name\": null}}]}";
1478        let settings: LanguageSettingsContent = serde_json::from_str(raw).unwrap();
1479        assert_eq!(
1480            settings.formatter,
1481            Some(SelectedFormatter::List(FormatterList(
1482                vec![Formatter::LanguageServer { name: None }].into()
1483            )))
1484        );
1485        let raw = "{\"formatter\": [{\"language_server\": {\"name\": null}}, \"prettier\"]}";
1486        let settings: LanguageSettingsContent = serde_json::from_str(raw).unwrap();
1487        assert_eq!(
1488            settings.formatter,
1489            Some(SelectedFormatter::List(FormatterList(
1490                vec![
1491                    Formatter::LanguageServer { name: None },
1492                    Formatter::Prettier
1493                ]
1494                .into()
1495            )))
1496        );
1497    }
1498
1499    #[test]
1500    fn test_formatter_deserialization_invalid() {
1501        let raw_auto = "{\"formatter\": {}}";
1502        let result: Result<LanguageSettingsContent, _> = serde_json::from_str(raw_auto);
1503        assert!(result.is_err());
1504    }
1505
1506    #[gpui::test]
1507    fn test_edit_predictions_enabled_for_file(cx: &mut TestAppContext) {
1508        use crate::TestFile;
1509        use std::path::PathBuf;
1510
1511        let cx = cx.app.borrow_mut();
1512
1513        let build_settings = |globs: &[&str]| -> EditPredictionSettings {
1514            EditPredictionSettings {
1515                disabled_globs: globs
1516                    .iter()
1517                    .map(|glob_str| {
1518                        #[cfg(windows)]
1519                        let glob_str = {
1520                            let mut g = String::new();
1521
1522                            if glob_str.starts_with('/') {
1523                                g.push_str("C:");
1524                            }
1525
1526                            g.push_str(&glob_str.replace('/', "\\"));
1527                            g
1528                        };
1529                        #[cfg(windows)]
1530                        let glob_str = glob_str.as_str();
1531
1532                        DisabledGlob {
1533                            matcher: globset::Glob::new(glob_str).unwrap().compile_matcher(),
1534                            is_absolute: Path::new(glob_str).is_absolute(),
1535                        }
1536                    })
1537                    .collect(),
1538                ..Default::default()
1539            }
1540        };
1541
1542        const WORKTREE_NAME: &str = "project";
1543        let make_test_file = |segments: &[&str]| -> Arc<dyn File> {
1544            let mut path_buf = PathBuf::new();
1545            path_buf.extend(segments);
1546
1547            Arc::new(TestFile {
1548                path: path_buf.as_path().into(),
1549                root_name: WORKTREE_NAME.to_string(),
1550                local_root: Some(PathBuf::from(if cfg!(windows) {
1551                    "C:\\absolute\\"
1552                } else {
1553                    "/absolute/"
1554                })),
1555            })
1556        };
1557
1558        let test_file = make_test_file(&["src", "test", "file.rs"]);
1559
1560        // Test relative globs
1561        let settings = build_settings(&["*.rs"]);
1562        assert!(!settings.enabled_for_file(&test_file, &cx));
1563        let settings = build_settings(&["*.txt"]);
1564        assert!(settings.enabled_for_file(&test_file, &cx));
1565
1566        // Test absolute globs
1567        let settings = build_settings(&["/absolute/**/*.rs"]);
1568        assert!(!settings.enabled_for_file(&test_file, &cx));
1569        let settings = build_settings(&["/other/**/*.rs"]);
1570        assert!(settings.enabled_for_file(&test_file, &cx));
1571
1572        // Test exact path match relative
1573        let settings = build_settings(&["src/test/file.rs"]);
1574        assert!(!settings.enabled_for_file(&test_file, &cx));
1575        let settings = build_settings(&["src/test/otherfile.rs"]);
1576        assert!(settings.enabled_for_file(&test_file, &cx));
1577
1578        // Test exact path match absolute
1579        let settings = build_settings(&[&format!("/absolute/{}/src/test/file.rs", WORKTREE_NAME)]);
1580        assert!(!settings.enabled_for_file(&test_file, &cx));
1581        let settings = build_settings(&["/other/test/otherfile.rs"]);
1582        assert!(settings.enabled_for_file(&test_file, &cx));
1583
1584        // Test * glob
1585        let settings = build_settings(&["*"]);
1586        assert!(!settings.enabled_for_file(&test_file, &cx));
1587        let settings = build_settings(&["*.txt"]);
1588        assert!(settings.enabled_for_file(&test_file, &cx));
1589
1590        // Test **/* glob
1591        let settings = build_settings(&["**/*"]);
1592        assert!(!settings.enabled_for_file(&test_file, &cx));
1593        let settings = build_settings(&["other/**/*"]);
1594        assert!(settings.enabled_for_file(&test_file, &cx));
1595
1596        // Test directory/** glob
1597        let settings = build_settings(&["src/**"]);
1598        assert!(!settings.enabled_for_file(&test_file, &cx));
1599
1600        let test_file_root: Arc<dyn File> = Arc::new(TestFile {
1601            path: PathBuf::from("file.rs").as_path().into(),
1602            root_name: WORKTREE_NAME.to_string(),
1603            local_root: Some(PathBuf::from("/absolute/")),
1604        });
1605        assert!(settings.enabled_for_file(&test_file_root, &cx));
1606
1607        let settings = build_settings(&["other/**"]);
1608        assert!(settings.enabled_for_file(&test_file, &cx));
1609
1610        // Test **/directory/* glob
1611        let settings = build_settings(&["**/test/*"]);
1612        assert!(!settings.enabled_for_file(&test_file, &cx));
1613        let settings = build_settings(&["**/other/*"]);
1614        assert!(settings.enabled_for_file(&test_file, &cx));
1615
1616        // Test multiple globs
1617        let settings = build_settings(&["*.rs", "*.txt", "src/**"]);
1618        assert!(!settings.enabled_for_file(&test_file, &cx));
1619        let settings = build_settings(&["*.txt", "*.md", "other/**"]);
1620        assert!(settings.enabled_for_file(&test_file, &cx));
1621
1622        // Test dot files
1623        let dot_file = make_test_file(&[".config", "settings.json"]);
1624        let settings = build_settings(&[".*/**"]);
1625        assert!(!settings.enabled_for_file(&dot_file, &cx));
1626
1627        let dot_env_file = make_test_file(&[".env"]);
1628        let settings = build_settings(&[".env"]);
1629        assert!(!settings.enabled_for_file(&dot_env_file, &cx));
1630    }
1631
1632    #[test]
1633    pub fn test_resolve_language_servers() {
1634        fn language_server_names(names: &[&str]) -> Vec<LanguageServerName> {
1635            names
1636                .iter()
1637                .copied()
1638                .map(|name| LanguageServerName(name.to_string().into()))
1639                .collect::<Vec<_>>()
1640        }
1641
1642        let available_language_servers = language_server_names(&[
1643            "typescript-language-server",
1644            "biome",
1645            "deno",
1646            "eslint",
1647            "tailwind",
1648        ]);
1649
1650        // A value of just `["..."]` is the same as taking all of the available language servers.
1651        assert_eq!(
1652            LanguageSettings::resolve_language_servers(
1653                &[LanguageSettings::REST_OF_LANGUAGE_SERVERS.into()],
1654                &available_language_servers,
1655            ),
1656            available_language_servers
1657        );
1658
1659        // Referencing one of the available language servers will change its order.
1660        assert_eq!(
1661            LanguageSettings::resolve_language_servers(
1662                &[
1663                    "biome".into(),
1664                    LanguageSettings::REST_OF_LANGUAGE_SERVERS.into(),
1665                    "deno".into()
1666                ],
1667                &available_language_servers
1668            ),
1669            language_server_names(&[
1670                "biome",
1671                "typescript-language-server",
1672                "eslint",
1673                "tailwind",
1674                "deno",
1675            ])
1676        );
1677
1678        // Negating an available language server removes it from the list.
1679        assert_eq!(
1680            LanguageSettings::resolve_language_servers(
1681                &[
1682                    "deno".into(),
1683                    "!typescript-language-server".into(),
1684                    "!biome".into(),
1685                    LanguageSettings::REST_OF_LANGUAGE_SERVERS.into()
1686                ],
1687                &available_language_servers
1688            ),
1689            language_server_names(&["deno", "eslint", "tailwind"])
1690        );
1691
1692        // Adding a language server not in the list of available language servers adds it to the list.
1693        assert_eq!(
1694            LanguageSettings::resolve_language_servers(
1695                &[
1696                    "my-cool-language-server".into(),
1697                    LanguageSettings::REST_OF_LANGUAGE_SERVERS.into()
1698                ],
1699                &available_language_servers
1700            ),
1701            language_server_names(&[
1702                "my-cool-language-server",
1703                "typescript-language-server",
1704                "biome",
1705                "deno",
1706                "eslint",
1707                "tailwind",
1708            ])
1709        );
1710    }
1711}