language_settings.rs

   1//! Provides `language`-related settings.
   2
   3use crate::{File, Language, LanguageName, LanguageServerName};
   4use anyhow::Result;
   5use collections::{FxHashMap, HashMap, HashSet};
   6use ec4rs::{
   7    Properties as EditorconfigProperties,
   8    property::{FinalNewline, IndentSize, IndentStyle, TabWidth, TrimTrailingWs},
   9};
  10use globset::{Glob, GlobMatcher, GlobSet, GlobSetBuilder};
  11use gpui::{App, Modifiers};
  12use itertools::{Either, Itertools};
  13use schemars::{JsonSchema, json_schema};
  14use serde::{
  15    Deserialize, Deserializer, Serialize,
  16    de::{self, IntoDeserializer, MapAccess, SeqAccess, Visitor},
  17};
  18
  19use settings::{
  20    ParameterizedJsonSchema, Settings, SettingsLocation, SettingsSources, SettingsStore,
  21    replace_subschema,
  22};
  23use shellexpand;
  24use std::{borrow::Cow, num::NonZeroU32, path::Path, sync::Arc};
  25use util::serde::default_true;
  26
  27/// Initializes the language settings.
  28pub fn init(cx: &mut App) {
  29    AllLanguageSettings::register(cx);
  30}
  31
  32/// Returns the settings for the specified language from the provided file.
  33pub fn language_settings<'a>(
  34    language: Option<LanguageName>,
  35    file: Option<&'a Arc<dyn File>>,
  36    cx: &'a App,
  37) -> Cow<'a, LanguageSettings> {
  38    let location = file.map(|f| SettingsLocation {
  39        worktree_id: f.worktree_id(cx),
  40        path: f.path().as_ref(),
  41    });
  42    AllLanguageSettings::get(location, cx).language(location, language.as_ref(), cx)
  43}
  44
  45/// Returns the settings for all languages from the provided file.
  46pub fn all_language_settings<'a>(
  47    file: Option<&'a Arc<dyn File>>,
  48    cx: &'a App,
  49) -> &'a AllLanguageSettings {
  50    let location = file.map(|f| SettingsLocation {
  51        worktree_id: f.worktree_id(cx),
  52        path: f.path().as_ref(),
  53    });
  54    AllLanguageSettings::get(location, cx)
  55}
  56
  57/// The settings for all languages.
  58#[derive(Debug, Clone)]
  59pub struct AllLanguageSettings {
  60    /// The edit prediction settings.
  61    pub edit_predictions: EditPredictionSettings,
  62    pub defaults: LanguageSettings,
  63    languages: HashMap<LanguageName, LanguageSettings>,
  64    pub(crate) file_types: FxHashMap<Arc<str>, GlobSet>,
  65}
  66
  67/// The settings for a particular language.
  68#[derive(Debug, Clone, Deserialize)]
  69pub struct LanguageSettings {
  70    /// How many columns a tab should occupy.
  71    pub tab_size: NonZeroU32,
  72    /// Whether to indent lines using tab characters, as opposed to multiple
  73    /// spaces.
  74    pub hard_tabs: bool,
  75    /// How to soft-wrap long lines of text.
  76    pub soft_wrap: SoftWrap,
  77    /// The column at which to soft-wrap lines, for buffers where soft-wrap
  78    /// is enabled.
  79    pub preferred_line_length: u32,
  80    /// Whether to show wrap guides (vertical rulers) in the editor.
  81    /// Setting this to true will show a guide at the 'preferred_line_length' value
  82    /// if softwrap is set to 'preferred_line_length', and will show any
  83    /// additional guides as specified by the 'wrap_guides' setting.
  84    pub show_wrap_guides: bool,
  85    /// Character counts at which to show wrap guides (vertical rulers) in the editor.
  86    pub wrap_guides: Vec<usize>,
  87    /// Indent guide related settings.
  88    pub indent_guides: IndentGuideSettings,
  89    /// Whether or not to perform a buffer format before saving.
  90    pub format_on_save: FormatOnSave,
  91    /// Whether or not to remove any trailing whitespace from lines of a buffer
  92    /// before saving it.
  93    pub remove_trailing_whitespace_on_save: bool,
  94    /// Whether or not to ensure there's a single newline at the end of a buffer
  95    /// when saving it.
  96    pub ensure_final_newline_on_save: bool,
  97    /// How to perform a buffer format.
  98    pub formatter: SelectedFormatter,
  99    /// Zed's Prettier integration settings.
 100    pub prettier: PrettierSettings,
 101    /// Whether to automatically close JSX tags.
 102    pub jsx_tag_auto_close: JsxTagAutoCloseSettings,
 103    /// Whether to use language servers to provide code intelligence.
 104    pub enable_language_server: bool,
 105    /// The list of language servers to use (or disable) for this language.
 106    ///
 107    /// This array should consist of language server IDs, as well as the following
 108    /// special tokens:
 109    /// - `"!<language_server_id>"` - A language server ID prefixed with a `!` will be disabled.
 110    /// - `"..."` - A placeholder to refer to the **rest** of the registered language servers for this language.
 111    pub language_servers: Vec<String>,
 112    /// Controls where the `editor::Rewrap` action is allowed for this language.
 113    ///
 114    /// Note: This setting has no effect in Vim mode, as rewrap is already
 115    /// allowed everywhere.
 116    pub allow_rewrap: RewrapBehavior,
 117    /// Controls whether edit predictions are shown immediately (true)
 118    /// or manually by triggering `editor::ShowEditPrediction` (false).
 119    pub show_edit_predictions: bool,
 120    /// Controls whether edit predictions are shown in the given language
 121    /// scopes.
 122    pub edit_predictions_disabled_in: Vec<String>,
 123    /// Whether to show tabs and spaces in the editor.
 124    pub show_whitespaces: ShowWhitespaceSetting,
 125    /// Whether to start a new line with a comment when a previous line is a comment as well.
 126    pub extend_comment_on_newline: bool,
 127    /// Inlay hint related settings.
 128    pub inlay_hints: InlayHintSettings,
 129    /// Whether to automatically close brackets.
 130    pub use_autoclose: bool,
 131    /// Whether to automatically surround text with brackets.
 132    pub use_auto_surround: bool,
 133    /// Whether to use additional LSP queries to format (and amend) the code after
 134    /// every "trigger" symbol input, defined by LSP server capabilities.
 135    pub use_on_type_format: bool,
 136    /// Whether indentation of pasted content should be adjusted based on the context.
 137    pub auto_indent_on_paste: bool,
 138    /// Controls how the editor handles the autoclosed characters.
 139    pub always_treat_brackets_as_autoclosed: bool,
 140    /// Which code actions to run on save
 141    pub code_actions_on_format: HashMap<String, bool>,
 142    /// Whether to perform linked edits
 143    pub linked_edits: bool,
 144    /// Task configuration for this language.
 145    pub tasks: LanguageTaskConfig,
 146    /// Whether to pop the completions menu while typing in an editor without
 147    /// explicitly requesting it.
 148    pub show_completions_on_input: bool,
 149    /// Whether to display inline and alongside documentation for items in the
 150    /// completions menu.
 151    pub show_completion_documentation: bool,
 152    /// Completion settings for this language.
 153    pub completions: CompletionSettings,
 154    /// Preferred debuggers for this language.
 155    pub debuggers: Vec<String>,
 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_text_threads: 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    /// Enterprise URI for Copilot.
 289    pub enterprise_uri: Option<String>,
 290}
 291
 292/// The settings for all languages.
 293#[derive(Debug, Clone, Default, PartialEq, Serialize, Deserialize, JsonSchema)]
 294pub struct AllLanguageSettingsContent {
 295    /// The settings for enabling/disabling features.
 296    #[serde(default)]
 297    pub features: Option<FeaturesContent>,
 298    /// The edit prediction settings.
 299    #[serde(default)]
 300    pub edit_predictions: Option<EditPredictionSettingsContent>,
 301    /// The default language settings.
 302    #[serde(flatten)]
 303    pub defaults: LanguageSettingsContent,
 304    /// The settings for individual languages.
 305    #[serde(default)]
 306    pub languages: LanguageToSettingsMap,
 307    /// Settings for associating file extensions and filenames
 308    /// with languages.
 309    #[serde(default)]
 310    pub file_types: HashMap<Arc<str>, Vec<String>>,
 311}
 312
 313/// Map from language name to settings. Its `ParameterizedJsonSchema` allows only known language
 314/// names in the keys.
 315#[derive(Debug, Clone, Default, PartialEq, Serialize, Deserialize, JsonSchema)]
 316pub struct LanguageToSettingsMap(pub HashMap<LanguageName, LanguageSettingsContent>);
 317
 318inventory::submit! {
 319    ParameterizedJsonSchema {
 320        add_and_get_ref: |generator, params, _cx| {
 321            let language_settings_content_ref = generator
 322                .subschema_for::<LanguageSettingsContent>()
 323                .to_value();
 324            let schema = json_schema!({
 325                "type": "object",
 326                "properties": params
 327                    .language_names
 328                    .iter()
 329                    .map(|name| {
 330                        (
 331                            name.clone(),
 332                            language_settings_content_ref.clone(),
 333                        )
 334                    })
 335                    .collect::<serde_json::Map<_, _>>()
 336            });
 337            replace_subschema::<LanguageToSettingsMap>(generator, schema)
 338        }
 339    }
 340}
 341
 342/// Controls how completions are processed for this language.
 343#[derive(Copy, Clone, Debug, Serialize, Deserialize, PartialEq, Eq, JsonSchema)]
 344#[serde(rename_all = "snake_case")]
 345pub struct CompletionSettings {
 346    /// Controls how words are completed.
 347    /// For large documents, not all words may be fetched for completion.
 348    ///
 349    /// Default: `fallback`
 350    #[serde(default = "default_words_completion_mode")]
 351    pub words: WordsCompletionMode,
 352    /// Whether to fetch LSP completions or not.
 353    ///
 354    /// Default: true
 355    #[serde(default = "default_true")]
 356    pub lsp: bool,
 357    /// When fetching LSP completions, determines how long to wait for a response of a particular server.
 358    /// When set to 0, waits indefinitely.
 359    ///
 360    /// Default: 0
 361    #[serde(default = "default_lsp_fetch_timeout_ms")]
 362    pub lsp_fetch_timeout_ms: u64,
 363    /// Controls how LSP completions are inserted.
 364    ///
 365    /// Default: "replace_suffix"
 366    #[serde(default = "default_lsp_insert_mode")]
 367    pub lsp_insert_mode: LspInsertMode,
 368}
 369
 370/// Controls how document's words are completed.
 371#[derive(Copy, Clone, Debug, Serialize, Deserialize, PartialEq, Eq, JsonSchema)]
 372#[serde(rename_all = "snake_case")]
 373pub enum WordsCompletionMode {
 374    /// Always fetch document's words for completions along with LSP completions.
 375    Enabled,
 376    /// Only if LSP response errors or times out,
 377    /// use document's words to show completions.
 378    Fallback,
 379    /// Never fetch or complete document's words for completions.
 380    /// (Word-based completions can still be queried via a separate action)
 381    Disabled,
 382}
 383
 384#[derive(Copy, Clone, Debug, Serialize, Deserialize, PartialEq, Eq, JsonSchema)]
 385#[serde(rename_all = "snake_case")]
 386pub enum LspInsertMode {
 387    /// Replaces text before the cursor, using the `insert` range described in the LSP specification.
 388    Insert,
 389    /// Replaces text before and after the cursor, using the `replace` range described in the LSP specification.
 390    Replace,
 391    /// Behaves like `"replace"` if the text that would be replaced is a subsequence of the completion text,
 392    /// and like `"insert"` otherwise.
 393    ReplaceSubsequence,
 394    /// Behaves like `"replace"` if the text after the cursor is a suffix of the completion, and like
 395    /// `"insert"` otherwise.
 396    ReplaceSuffix,
 397}
 398
 399fn default_words_completion_mode() -> WordsCompletionMode {
 400    WordsCompletionMode::Fallback
 401}
 402
 403fn default_lsp_insert_mode() -> LspInsertMode {
 404    LspInsertMode::ReplaceSuffix
 405}
 406
 407fn default_lsp_fetch_timeout_ms() -> u64 {
 408    0
 409}
 410
 411/// The settings for a particular language.
 412#[derive(Debug, Clone, Default, PartialEq, Serialize, Deserialize, JsonSchema)]
 413pub struct LanguageSettingsContent {
 414    /// How many columns a tab should occupy.
 415    ///
 416    /// Default: 4
 417    #[serde(default)]
 418    pub tab_size: Option<NonZeroU32>,
 419    /// Whether to indent lines using tab characters, as opposed to multiple
 420    /// spaces.
 421    ///
 422    /// Default: false
 423    #[serde(default)]
 424    pub hard_tabs: Option<bool>,
 425    /// How to soft-wrap long lines of text.
 426    ///
 427    /// Default: none
 428    #[serde(default)]
 429    pub soft_wrap: Option<SoftWrap>,
 430    /// The column at which to soft-wrap lines, for buffers where soft-wrap
 431    /// is enabled.
 432    ///
 433    /// Default: 80
 434    #[serde(default)]
 435    pub preferred_line_length: Option<u32>,
 436    /// Whether to show wrap guides in the editor. Setting this to true will
 437    /// show a guide at the 'preferred_line_length' value if softwrap is set to
 438    /// 'preferred_line_length', and will show any additional guides as specified
 439    /// by the 'wrap_guides' setting.
 440    ///
 441    /// Default: true
 442    #[serde(default)]
 443    pub show_wrap_guides: Option<bool>,
 444    /// Character counts at which to show wrap guides in the editor.
 445    ///
 446    /// Default: []
 447    #[serde(default)]
 448    pub wrap_guides: Option<Vec<usize>>,
 449    /// Indent guide related settings.
 450    #[serde(default)]
 451    pub indent_guides: Option<IndentGuideSettings>,
 452    /// Whether or not to perform a buffer format before saving.
 453    ///
 454    /// Default: on
 455    #[serde(default)]
 456    pub format_on_save: Option<FormatOnSave>,
 457    /// Whether or not to remove any trailing whitespace from lines of a buffer
 458    /// before saving it.
 459    ///
 460    /// Default: true
 461    #[serde(default)]
 462    pub remove_trailing_whitespace_on_save: Option<bool>,
 463    /// Whether or not to ensure there's a single newline at the end of a buffer
 464    /// when saving it.
 465    ///
 466    /// Default: true
 467    #[serde(default)]
 468    pub ensure_final_newline_on_save: Option<bool>,
 469    /// How to perform a buffer format.
 470    ///
 471    /// Default: auto
 472    #[serde(default)]
 473    pub formatter: Option<SelectedFormatter>,
 474    /// Zed's Prettier integration settings.
 475    /// Allows to enable/disable formatting with Prettier
 476    /// and configure default Prettier, used when no project-level Prettier installation is found.
 477    ///
 478    /// Default: off
 479    #[serde(default)]
 480    pub prettier: Option<PrettierSettings>,
 481    /// Whether to automatically close JSX tags.
 482    #[serde(default)]
 483    pub jsx_tag_auto_close: Option<JsxTagAutoCloseSettings>,
 484    /// Whether to use language servers to provide code intelligence.
 485    ///
 486    /// Default: true
 487    #[serde(default)]
 488    pub enable_language_server: Option<bool>,
 489    /// The list of language servers to use (or disable) for this language.
 490    ///
 491    /// This array should consist of language server IDs, as well as the following
 492    /// special tokens:
 493    /// - `"!<language_server_id>"` - A language server ID prefixed with a `!` will be disabled.
 494    /// - `"..."` - A placeholder to refer to the **rest** of the registered language servers for this language.
 495    ///
 496    /// Default: ["..."]
 497    #[serde(default)]
 498    pub language_servers: Option<Vec<String>>,
 499    /// Controls where the `editor::Rewrap` action is allowed for this language.
 500    ///
 501    /// Note: This setting has no effect in Vim mode, as rewrap is already
 502    /// allowed everywhere.
 503    ///
 504    /// Default: "in_comments"
 505    #[serde(default)]
 506    pub allow_rewrap: Option<RewrapBehavior>,
 507    /// Controls whether edit predictions are shown immediately (true)
 508    /// or manually by triggering `editor::ShowEditPrediction` (false).
 509    ///
 510    /// Default: true
 511    #[serde(default)]
 512    pub show_edit_predictions: Option<bool>,
 513    /// Controls whether edit predictions are shown in the given language
 514    /// scopes.
 515    ///
 516    /// Example: ["string", "comment"]
 517    ///
 518    /// Default: []
 519    #[serde(default)]
 520    pub edit_predictions_disabled_in: Option<Vec<String>>,
 521    /// Whether to show tabs and spaces in the editor.
 522    #[serde(default)]
 523    pub show_whitespaces: Option<ShowWhitespaceSetting>,
 524    /// Whether to start a new line with a comment when a previous line is a comment as well.
 525    ///
 526    /// Default: true
 527    #[serde(default)]
 528    pub extend_comment_on_newline: Option<bool>,
 529    /// Inlay hint related settings.
 530    #[serde(default)]
 531    pub inlay_hints: Option<InlayHintSettings>,
 532    /// Whether to automatically type closing characters for you. For example,
 533    /// when you type (, Zed will automatically add a closing ) at the correct position.
 534    ///
 535    /// Default: true
 536    pub use_autoclose: Option<bool>,
 537    /// Whether to automatically surround text with characters for you. For example,
 538    /// when you select text and type (, Zed will automatically surround text with ().
 539    ///
 540    /// Default: true
 541    pub use_auto_surround: Option<bool>,
 542    /// Controls how the editor handles the autoclosed characters.
 543    /// When set to `false`(default), skipping over and auto-removing of the closing characters
 544    /// happen only for auto-inserted characters.
 545    /// Otherwise(when `true`), the closing characters are always skipped over and auto-removed
 546    /// no matter how they were inserted.
 547    ///
 548    /// Default: false
 549    pub always_treat_brackets_as_autoclosed: Option<bool>,
 550    /// Whether to use additional LSP queries to format (and amend) the code after
 551    /// every "trigger" symbol input, defined by LSP server capabilities.
 552    ///
 553    /// Default: true
 554    pub use_on_type_format: Option<bool>,
 555    /// Which code actions to run on save after the formatter.
 556    /// These are not run if formatting is off.
 557    ///
 558    /// Default: {} (or {"source.organizeImports": true} for Go).
 559    pub code_actions_on_format: Option<HashMap<String, bool>>,
 560    /// Whether to perform linked edits of associated ranges, if the language server supports it.
 561    /// For example, when editing opening <html> tag, the contents of the closing </html> tag will be edited as well.
 562    ///
 563    /// Default: true
 564    pub linked_edits: Option<bool>,
 565    /// Whether indentation of pasted content should be adjusted based on the context.
 566    ///
 567    /// Default: true
 568    pub auto_indent_on_paste: Option<bool>,
 569    /// Task configuration for this language.
 570    ///
 571    /// Default: {}
 572    pub tasks: Option<LanguageTaskConfig>,
 573    /// Whether to pop the completions menu while typing in an editor without
 574    /// explicitly requesting it.
 575    ///
 576    /// Default: true
 577    pub show_completions_on_input: Option<bool>,
 578    /// Whether to display inline and alongside documentation for items in the
 579    /// completions menu.
 580    ///
 581    /// Default: true
 582    pub show_completion_documentation: Option<bool>,
 583    /// Controls how completions are processed for this language.
 584    pub completions: Option<CompletionSettings>,
 585    /// Preferred debuggers for this language.
 586    ///
 587    /// Default: []
 588    pub debuggers: Option<Vec<String>>,
 589}
 590
 591/// The behavior of `editor::Rewrap`.
 592#[derive(Debug, PartialEq, Clone, Copy, Default, Serialize, Deserialize, JsonSchema)]
 593#[serde(rename_all = "snake_case")]
 594pub enum RewrapBehavior {
 595    /// Only rewrap within comments.
 596    #[default]
 597    InComments,
 598    /// Only rewrap within the current selection(s).
 599    InSelections,
 600    /// Allow rewrapping anywhere.
 601    Anywhere,
 602}
 603
 604/// The contents of the edit prediction settings.
 605#[derive(Clone, Debug, Default, Serialize, Deserialize, JsonSchema, PartialEq)]
 606pub struct EditPredictionSettingsContent {
 607    /// A list of globs representing files that edit predictions should be disabled for.
 608    /// This list adds to a pre-existing, sensible default set of globs.
 609    /// Any additional ones you add are combined with them.
 610    #[serde(default)]
 611    pub disabled_globs: Option<Vec<String>>,
 612    /// The mode used to display edit predictions in the buffer.
 613    /// Provider support required.
 614    #[serde(default)]
 615    pub mode: EditPredictionsMode,
 616    /// Settings specific to GitHub Copilot.
 617    #[serde(default)]
 618    pub copilot: CopilotSettingsContent,
 619    /// Whether edit predictions are enabled in the assistant prompt editor.
 620    /// This has no effect if globally disabled.
 621    #[serde(default = "default_true")]
 622    pub enabled_in_text_threads: bool,
 623}
 624
 625#[derive(Clone, Debug, Default, Serialize, Deserialize, JsonSchema, PartialEq)]
 626pub struct CopilotSettingsContent {
 627    /// HTTP/HTTPS proxy to use for Copilot.
 628    ///
 629    /// Default: none
 630    #[serde(default)]
 631    pub proxy: Option<String>,
 632    /// Disable certificate verification for the proxy (not recommended).
 633    ///
 634    /// Default: false
 635    #[serde(default)]
 636    pub proxy_no_verify: Option<bool>,
 637    /// Enterprise URI for Copilot.
 638    ///
 639    /// Default: none
 640    #[serde(default)]
 641    pub enterprise_uri: Option<String>,
 642}
 643
 644/// The settings for enabling/disabling features.
 645#[derive(Debug, Clone, PartialEq, Default, Serialize, Deserialize, JsonSchema)]
 646#[serde(rename_all = "snake_case")]
 647pub struct FeaturesContent {
 648    /// Determines which edit prediction provider to use.
 649    pub edit_prediction_provider: Option<EditPredictionProvider>,
 650}
 651
 652/// Controls the soft-wrapping behavior in the editor.
 653#[derive(Copy, Clone, Debug, Serialize, Deserialize, PartialEq, Eq, JsonSchema)]
 654#[serde(rename_all = "snake_case")]
 655pub enum SoftWrap {
 656    /// Prefer a single line generally, unless an overly long line is encountered.
 657    None,
 658    /// Deprecated: use None instead. Left to avoid breaking existing users' configs.
 659    /// Prefer a single line generally, unless an overly long line is encountered.
 660    PreferLine,
 661    /// Soft wrap lines that exceed the editor width.
 662    EditorWidth,
 663    /// Soft wrap lines at the preferred line length.
 664    PreferredLineLength,
 665    /// Soft wrap line at the preferred line length or the editor width (whichever is smaller).
 666    Bounded,
 667}
 668
 669/// Controls the behavior of formatting files when they are saved.
 670#[derive(Debug, Clone, PartialEq, Eq)]
 671pub enum FormatOnSave {
 672    /// Files should be formatted on save.
 673    On,
 674    /// Files should not be formatted on save.
 675    Off,
 676    List(Vec<Formatter>),
 677}
 678
 679impl JsonSchema for FormatOnSave {
 680    fn schema_name() -> Cow<'static, str> {
 681        "OnSaveFormatter".into()
 682    }
 683
 684    fn json_schema(generator: &mut schemars::SchemaGenerator) -> schemars::Schema {
 685        let formatter_schema = Formatter::json_schema(generator);
 686
 687        json_schema!({
 688            "oneOf": [
 689                {
 690                    "type": "array",
 691                    "items": formatter_schema
 692                },
 693                {
 694                    "type": "string",
 695                    "enum": ["on", "off", "prettier", "language_server"]
 696                },
 697                formatter_schema
 698            ]
 699        })
 700    }
 701}
 702
 703impl Serialize for FormatOnSave {
 704    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
 705    where
 706        S: serde::Serializer,
 707    {
 708        match self {
 709            Self::On => serializer.serialize_str("on"),
 710            Self::Off => serializer.serialize_str("off"),
 711            Self::List(list) => list.serialize(serializer),
 712        }
 713    }
 714}
 715
 716impl<'de> Deserialize<'de> for FormatOnSave {
 717    fn deserialize<D>(deserializer: D) -> std::result::Result<Self, D::Error>
 718    where
 719        D: Deserializer<'de>,
 720    {
 721        struct FormatDeserializer;
 722
 723        impl<'d> Visitor<'d> for FormatDeserializer {
 724            type Value = FormatOnSave;
 725
 726            fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
 727                formatter.write_str("a valid on-save formatter kind")
 728            }
 729            fn visit_str<E>(self, v: &str) -> std::result::Result<Self::Value, E>
 730            where
 731                E: serde::de::Error,
 732            {
 733                if v == "on" {
 734                    Ok(Self::Value::On)
 735                } else if v == "off" {
 736                    Ok(Self::Value::Off)
 737                } else if v == "language_server" {
 738                    Ok(Self::Value::List(vec![Formatter::LanguageServer {
 739                        name: None,
 740                    }]))
 741                } else {
 742                    let ret: Result<Vec<Formatter>, _> =
 743                        Deserialize::deserialize(v.into_deserializer());
 744                    ret.map(Self::Value::List)
 745                }
 746            }
 747            fn visit_map<A>(self, map: A) -> Result<Self::Value, A::Error>
 748            where
 749                A: MapAccess<'d>,
 750            {
 751                let ret: Result<Vec<Formatter>, _> =
 752                    Deserialize::deserialize(de::value::MapAccessDeserializer::new(map));
 753                ret.map(Self::Value::List)
 754            }
 755            fn visit_seq<A>(self, map: A) -> Result<Self::Value, A::Error>
 756            where
 757                A: SeqAccess<'d>,
 758            {
 759                let ret: Result<Vec<Formatter>, _> =
 760                    Deserialize::deserialize(de::value::SeqAccessDeserializer::new(map));
 761                ret.map(Self::Value::List)
 762            }
 763        }
 764        deserializer.deserialize_any(FormatDeserializer)
 765    }
 766}
 767
 768/// Controls how whitespace should be displayedin the editor.
 769#[derive(Copy, Clone, Debug, Serialize, Deserialize, PartialEq, Eq, JsonSchema)]
 770#[serde(rename_all = "snake_case")]
 771pub enum ShowWhitespaceSetting {
 772    /// Draw whitespace only for the selected text.
 773    Selection,
 774    /// Do not draw any tabs or spaces.
 775    None,
 776    /// Draw all invisible symbols.
 777    All,
 778    /// Draw whitespaces at boundaries only.
 779    ///
 780    /// For a whitespace to be on a boundary, any of the following conditions need to be met:
 781    /// - It is a tab
 782    /// - It is adjacent to an edge (start or end)
 783    /// - It is adjacent to a whitespace (left or right)
 784    Boundary,
 785    /// Draw whitespaces only after non-whitespace characters.
 786    Trailing,
 787}
 788
 789/// Controls which formatter should be used when formatting code.
 790#[derive(Clone, Debug, Default, PartialEq, Eq)]
 791pub enum SelectedFormatter {
 792    /// Format files using Zed's Prettier integration (if applicable),
 793    /// or falling back to formatting via language server.
 794    #[default]
 795    Auto,
 796    List(Vec<Formatter>),
 797}
 798
 799impl JsonSchema for SelectedFormatter {
 800    fn schema_name() -> Cow<'static, str> {
 801        "Formatter".into()
 802    }
 803
 804    fn json_schema(generator: &mut schemars::SchemaGenerator) -> schemars::Schema {
 805        let formatter_schema = Formatter::json_schema(generator);
 806
 807        json_schema!({
 808            "oneOf": [
 809                {
 810                    "type": "array",
 811                    "items": formatter_schema
 812                },
 813                {
 814                    "type": "string",
 815                    "enum": ["auto", "prettier", "language_server"]
 816                },
 817                formatter_schema
 818            ]
 819        })
 820    }
 821}
 822
 823impl Serialize for SelectedFormatter {
 824    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
 825    where
 826        S: serde::Serializer,
 827    {
 828        match self {
 829            SelectedFormatter::Auto => serializer.serialize_str("auto"),
 830            SelectedFormatter::List(list) => list.serialize(serializer),
 831        }
 832    }
 833}
 834
 835impl<'de> Deserialize<'de> for SelectedFormatter {
 836    fn deserialize<D>(deserializer: D) -> std::result::Result<Self, D::Error>
 837    where
 838        D: Deserializer<'de>,
 839    {
 840        struct FormatDeserializer;
 841
 842        impl<'d> Visitor<'d> for FormatDeserializer {
 843            type Value = SelectedFormatter;
 844
 845            fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
 846                formatter.write_str("a valid formatter kind")
 847            }
 848            fn visit_str<E>(self, v: &str) -> std::result::Result<Self::Value, E>
 849            where
 850                E: serde::de::Error,
 851            {
 852                if v == "auto" {
 853                    Ok(Self::Value::Auto)
 854                } else if v == "language_server" {
 855                    Ok(Self::Value::List(vec![Formatter::LanguageServer {
 856                        name: None,
 857                    }]))
 858                } else {
 859                    let ret: Result<Vec<Formatter>, _> =
 860                        Deserialize::deserialize(v.into_deserializer());
 861                    ret.map(SelectedFormatter::List)
 862                }
 863            }
 864            fn visit_map<A>(self, map: A) -> Result<Self::Value, A::Error>
 865            where
 866                A: MapAccess<'d>,
 867            {
 868                let ret: Result<Vec<Formatter>, _> =
 869                    Deserialize::deserialize(de::value::MapAccessDeserializer::new(map));
 870                ret.map(SelectedFormatter::List)
 871            }
 872            fn visit_seq<A>(self, map: A) -> Result<Self::Value, A::Error>
 873            where
 874                A: SeqAccess<'d>,
 875            {
 876                let ret: Result<Vec<Formatter>, _> =
 877                    Deserialize::deserialize(de::value::SeqAccessDeserializer::new(map));
 878                ret.map(SelectedFormatter::List)
 879            }
 880        }
 881        deserializer.deserialize_any(FormatDeserializer)
 882    }
 883}
 884
 885/// Controls which formatter should be used when formatting code. If there are multiple formatters, they are executed in the order of declaration.
 886#[derive(Clone, Debug, Serialize, Deserialize, PartialEq, Eq, JsonSchema)]
 887#[serde(rename_all = "snake_case")]
 888pub enum Formatter {
 889    /// Format code using the current language server.
 890    LanguageServer { name: Option<String> },
 891    /// Format code using Zed's Prettier integration.
 892    Prettier,
 893    /// Format code using an external command.
 894    External {
 895        /// The external program to run.
 896        command: Arc<str>,
 897        /// The arguments to pass to the program.
 898        arguments: Option<Arc<[String]>>,
 899    },
 900    /// Files should be formatted using code actions executed by language servers.
 901    CodeActions(HashMap<String, bool>),
 902}
 903
 904/// The settings for indent guides.
 905#[derive(Default, Debug, Copy, Clone, PartialEq, Eq, Serialize, Deserialize, JsonSchema)]
 906pub struct IndentGuideSettings {
 907    /// Whether to display indent guides in the editor.
 908    ///
 909    /// Default: true
 910    #[serde(default = "default_true")]
 911    pub enabled: bool,
 912    /// The width of the indent guides in pixels, between 1 and 10.
 913    ///
 914    /// Default: 1
 915    #[serde(default = "line_width")]
 916    pub line_width: u32,
 917    /// The width of the active indent guide in pixels, between 1 and 10.
 918    ///
 919    /// Default: 1
 920    #[serde(default = "active_line_width")]
 921    pub active_line_width: u32,
 922    /// Determines how indent guides are colored.
 923    ///
 924    /// Default: Fixed
 925    #[serde(default)]
 926    pub coloring: IndentGuideColoring,
 927    /// Determines how indent guide backgrounds are colored.
 928    ///
 929    /// Default: Disabled
 930    #[serde(default)]
 931    pub background_coloring: IndentGuideBackgroundColoring,
 932}
 933
 934fn line_width() -> u32 {
 935    1
 936}
 937
 938fn active_line_width() -> u32 {
 939    line_width()
 940}
 941
 942/// Determines how indent guides are colored.
 943#[derive(Default, Debug, Copy, Clone, PartialEq, Eq, Serialize, Deserialize, JsonSchema)]
 944#[serde(rename_all = "snake_case")]
 945pub enum IndentGuideColoring {
 946    /// Do not render any lines for indent guides.
 947    Disabled,
 948    /// Use the same color for all indentation levels.
 949    #[default]
 950    Fixed,
 951    /// Use a different color for each indentation level.
 952    IndentAware,
 953}
 954
 955/// Determines how indent guide backgrounds are colored.
 956#[derive(Default, Debug, Copy, Clone, PartialEq, Eq, Serialize, Deserialize, JsonSchema)]
 957#[serde(rename_all = "snake_case")]
 958pub enum IndentGuideBackgroundColoring {
 959    /// Do not render any background for indent guides.
 960    #[default]
 961    Disabled,
 962    /// Use a different color for each indentation level.
 963    IndentAware,
 964}
 965
 966/// The settings for inlay hints.
 967#[derive(Copy, Clone, Debug, Serialize, Deserialize, JsonSchema, PartialEq, Eq)]
 968pub struct InlayHintSettings {
 969    /// Global switch to toggle hints on and off.
 970    ///
 971    /// Default: false
 972    #[serde(default)]
 973    pub enabled: bool,
 974    /// Global switch to toggle inline values on and off.
 975    ///
 976    /// Default: true
 977    #[serde(default = "default_true")]
 978    pub show_value_hints: bool,
 979    /// Whether type hints should be shown.
 980    ///
 981    /// Default: true
 982    #[serde(default = "default_true")]
 983    pub show_type_hints: bool,
 984    /// Whether parameter hints should be shown.
 985    ///
 986    /// Default: true
 987    #[serde(default = "default_true")]
 988    pub show_parameter_hints: bool,
 989    /// Whether other hints should be shown.
 990    ///
 991    /// Default: true
 992    #[serde(default = "default_true")]
 993    pub show_other_hints: bool,
 994    /// Whether to show a background for inlay hints.
 995    ///
 996    /// If set to `true`, the background will use the `hint.background` color
 997    /// from the current theme.
 998    ///
 999    /// Default: false
1000    #[serde(default)]
1001    pub show_background: bool,
1002    /// Whether or not to debounce inlay hints updates after buffer edits.
1003    ///
1004    /// Set to 0 to disable debouncing.
1005    ///
1006    /// Default: 700
1007    #[serde(default = "edit_debounce_ms")]
1008    pub edit_debounce_ms: u64,
1009    /// Whether or not to debounce inlay hints updates after buffer scrolls.
1010    ///
1011    /// Set to 0 to disable debouncing.
1012    ///
1013    /// Default: 50
1014    #[serde(default = "scroll_debounce_ms")]
1015    pub scroll_debounce_ms: u64,
1016    /// Toggles inlay hints (hides or shows) when the user presses the modifiers specified.
1017    /// If only a subset of the modifiers specified is pressed, hints are not toggled.
1018    /// If no modifiers are specified, this is equivalent to `None`.
1019    ///
1020    /// Default: None
1021    #[serde(default)]
1022    pub toggle_on_modifiers_press: Option<Modifiers>,
1023}
1024
1025fn edit_debounce_ms() -> u64 {
1026    700
1027}
1028
1029fn scroll_debounce_ms() -> u64 {
1030    50
1031}
1032
1033/// The task settings for a particular language.
1034#[derive(Debug, Clone, Deserialize, PartialEq, Serialize, JsonSchema)]
1035pub struct LanguageTaskConfig {
1036    /// Extra task variables to set for a particular language.
1037    #[serde(default)]
1038    pub variables: HashMap<String, String>,
1039    #[serde(default = "default_true")]
1040    pub enabled: bool,
1041    /// Use LSP tasks over Zed language extension ones.
1042    /// If no LSP tasks are returned due to error/timeout or regular execution,
1043    /// Zed language extension tasks will be used instead.
1044    ///
1045    /// Other Zed tasks will still be shown:
1046    /// * Zed task from either of the task config file
1047    /// * Zed task from history (e.g. one-off task was spawned before)
1048    #[serde(default = "default_true")]
1049    pub prefer_lsp: bool,
1050}
1051
1052impl InlayHintSettings {
1053    /// Returns the kinds of inlay hints that are enabled based on the settings.
1054    pub fn enabled_inlay_hint_kinds(&self) -> HashSet<Option<InlayHintKind>> {
1055        let mut kinds = HashSet::default();
1056        if self.show_type_hints {
1057            kinds.insert(Some(InlayHintKind::Type));
1058        }
1059        if self.show_parameter_hints {
1060            kinds.insert(Some(InlayHintKind::Parameter));
1061        }
1062        if self.show_other_hints {
1063            kinds.insert(None);
1064        }
1065        kinds
1066    }
1067}
1068
1069impl AllLanguageSettings {
1070    /// Returns the [`LanguageSettings`] for the language with the specified name.
1071    pub fn language<'a>(
1072        &'a self,
1073        location: Option<SettingsLocation<'a>>,
1074        language_name: Option<&LanguageName>,
1075        cx: &'a App,
1076    ) -> Cow<'a, LanguageSettings> {
1077        let settings = language_name
1078            .and_then(|name| self.languages.get(name))
1079            .unwrap_or(&self.defaults);
1080
1081        let editorconfig_properties = location.and_then(|location| {
1082            cx.global::<SettingsStore>()
1083                .editorconfig_properties(location.worktree_id, location.path)
1084        });
1085        if let Some(editorconfig_properties) = editorconfig_properties {
1086            let mut settings = settings.clone();
1087            merge_with_editorconfig(&mut settings, &editorconfig_properties);
1088            Cow::Owned(settings)
1089        } else {
1090            Cow::Borrowed(settings)
1091        }
1092    }
1093
1094    /// Returns whether edit predictions are enabled for the given path.
1095    pub fn edit_predictions_enabled_for_file(&self, file: &Arc<dyn File>, cx: &App) -> bool {
1096        self.edit_predictions.enabled_for_file(file, cx)
1097    }
1098
1099    /// Returns whether edit predictions are enabled for the given language and path.
1100    pub fn show_edit_predictions(&self, language: Option<&Arc<Language>>, cx: &App) -> bool {
1101        self.language(None, language.map(|l| l.name()).as_ref(), cx)
1102            .show_edit_predictions
1103    }
1104
1105    /// Returns the edit predictions preview mode for the given language and path.
1106    pub fn edit_predictions_mode(&self) -> EditPredictionsMode {
1107        self.edit_predictions.mode
1108    }
1109}
1110
1111fn merge_with_editorconfig(settings: &mut LanguageSettings, cfg: &EditorconfigProperties) {
1112    let tab_size = cfg.get::<IndentSize>().ok().and_then(|v| match v {
1113        IndentSize::Value(u) => NonZeroU32::new(u as u32),
1114        IndentSize::UseTabWidth => cfg.get::<TabWidth>().ok().and_then(|w| match w {
1115            TabWidth::Value(u) => NonZeroU32::new(u as u32),
1116        }),
1117    });
1118    let hard_tabs = cfg
1119        .get::<IndentStyle>()
1120        .map(|v| v.eq(&IndentStyle::Tabs))
1121        .ok();
1122    let ensure_final_newline_on_save = cfg
1123        .get::<FinalNewline>()
1124        .map(|v| match v {
1125            FinalNewline::Value(b) => b,
1126        })
1127        .ok();
1128    let remove_trailing_whitespace_on_save = cfg
1129        .get::<TrimTrailingWs>()
1130        .map(|v| match v {
1131            TrimTrailingWs::Value(b) => b,
1132        })
1133        .ok();
1134    fn merge<T>(target: &mut T, value: Option<T>) {
1135        if let Some(value) = value {
1136            *target = value;
1137        }
1138    }
1139    merge(&mut settings.tab_size, tab_size);
1140    merge(&mut settings.hard_tabs, hard_tabs);
1141    merge(
1142        &mut settings.remove_trailing_whitespace_on_save,
1143        remove_trailing_whitespace_on_save,
1144    );
1145    merge(
1146        &mut settings.ensure_final_newline_on_save,
1147        ensure_final_newline_on_save,
1148    );
1149}
1150
1151/// The kind of an inlay hint.
1152#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
1153pub enum InlayHintKind {
1154    /// An inlay hint for a type.
1155    Type,
1156    /// An inlay hint for a parameter.
1157    Parameter,
1158}
1159
1160impl InlayHintKind {
1161    /// Returns the [`InlayHintKind`] from the given name.
1162    ///
1163    /// Returns `None` if `name` does not match any of the expected
1164    /// string representations.
1165    pub fn from_name(name: &str) -> Option<Self> {
1166        match name {
1167            "type" => Some(InlayHintKind::Type),
1168            "parameter" => Some(InlayHintKind::Parameter),
1169            _ => None,
1170        }
1171    }
1172
1173    /// Returns the name of this [`InlayHintKind`].
1174    pub fn name(&self) -> &'static str {
1175        match self {
1176            InlayHintKind::Type => "type",
1177            InlayHintKind::Parameter => "parameter",
1178        }
1179    }
1180}
1181
1182impl settings::Settings for AllLanguageSettings {
1183    const KEY: Option<&'static str> = None;
1184
1185    type FileContent = AllLanguageSettingsContent;
1186
1187    fn load(sources: SettingsSources<Self::FileContent>, _: &mut App) -> Result<Self> {
1188        let default_value = sources.default;
1189
1190        // A default is provided for all settings.
1191        let mut defaults: LanguageSettings =
1192            serde_json::from_value(serde_json::to_value(&default_value.defaults)?)?;
1193
1194        let mut languages = HashMap::default();
1195        for (language_name, settings) in &default_value.languages.0 {
1196            let mut language_settings = defaults.clone();
1197            merge_settings(&mut language_settings, settings);
1198            languages.insert(language_name.clone(), language_settings);
1199        }
1200
1201        let mut edit_prediction_provider = default_value
1202            .features
1203            .as_ref()
1204            .and_then(|f| f.edit_prediction_provider);
1205        let mut edit_predictions_mode = default_value
1206            .edit_predictions
1207            .as_ref()
1208            .map(|edit_predictions| edit_predictions.mode)
1209            .ok_or_else(Self::missing_default)?;
1210
1211        let mut completion_globs: HashSet<&String> = default_value
1212            .edit_predictions
1213            .as_ref()
1214            .and_then(|c| c.disabled_globs.as_ref())
1215            .map(|globs| globs.iter().collect())
1216            .ok_or_else(Self::missing_default)?;
1217
1218        let mut copilot_settings = default_value
1219            .edit_predictions
1220            .as_ref()
1221            .map(|settings| CopilotSettings {
1222                proxy: settings.copilot.proxy.clone(),
1223                proxy_no_verify: settings.copilot.proxy_no_verify,
1224                enterprise_uri: settings.copilot.enterprise_uri.clone(),
1225            })
1226            .unwrap_or_default();
1227
1228        let mut enabled_in_text_threads = default_value
1229            .edit_predictions
1230            .as_ref()
1231            .map(|settings| settings.enabled_in_text_threads)
1232            .unwrap_or(true);
1233
1234        let mut file_types: FxHashMap<Arc<str>, GlobSet> = FxHashMap::default();
1235
1236        for (language, patterns) in &default_value.file_types {
1237            let mut builder = GlobSetBuilder::new();
1238
1239            for pattern in patterns {
1240                builder.add(Glob::new(pattern)?);
1241            }
1242
1243            file_types.insert(language.clone(), builder.build()?);
1244        }
1245
1246        for user_settings in sources.customizations() {
1247            if let Some(provider) = user_settings
1248                .features
1249                .as_ref()
1250                .and_then(|f| f.edit_prediction_provider)
1251            {
1252                edit_prediction_provider = Some(provider);
1253            }
1254
1255            if let Some(edit_predictions) = user_settings.edit_predictions.as_ref() {
1256                edit_predictions_mode = edit_predictions.mode;
1257                enabled_in_text_threads = edit_predictions.enabled_in_text_threads;
1258
1259                if let Some(disabled_globs) = edit_predictions.disabled_globs.as_ref() {
1260                    completion_globs.extend(disabled_globs.iter());
1261                }
1262            }
1263
1264            if let Some(proxy) = user_settings
1265                .edit_predictions
1266                .as_ref()
1267                .and_then(|settings| settings.copilot.proxy.clone())
1268            {
1269                copilot_settings.proxy = Some(proxy);
1270            }
1271
1272            if let Some(proxy_no_verify) = user_settings
1273                .edit_predictions
1274                .as_ref()
1275                .and_then(|settings| settings.copilot.proxy_no_verify)
1276            {
1277                copilot_settings.proxy_no_verify = Some(proxy_no_verify);
1278            }
1279
1280            if let Some(enterprise_uri) = user_settings
1281                .edit_predictions
1282                .as_ref()
1283                .and_then(|settings| settings.copilot.enterprise_uri.clone())
1284            {
1285                copilot_settings.enterprise_uri = Some(enterprise_uri);
1286            }
1287
1288            // A user's global settings override the default global settings and
1289            // all default language-specific settings.
1290            merge_settings(&mut defaults, &user_settings.defaults);
1291            for language_settings in languages.values_mut() {
1292                merge_settings(language_settings, &user_settings.defaults);
1293            }
1294
1295            // A user's language-specific settings override default language-specific settings.
1296            for (language_name, user_language_settings) in &user_settings.languages.0 {
1297                merge_settings(
1298                    languages
1299                        .entry(language_name.clone())
1300                        .or_insert_with(|| defaults.clone()),
1301                    user_language_settings,
1302                );
1303            }
1304
1305            for (language, patterns) in &user_settings.file_types {
1306                let mut builder = GlobSetBuilder::new();
1307
1308                let default_value = default_value.file_types.get(&language.clone());
1309
1310                // Merge the default value with the user's value.
1311                if let Some(patterns) = default_value {
1312                    for pattern in patterns {
1313                        builder.add(Glob::new(pattern)?);
1314                    }
1315                }
1316
1317                for pattern in patterns {
1318                    builder.add(Glob::new(pattern)?);
1319                }
1320
1321                file_types.insert(language.clone(), builder.build()?);
1322            }
1323        }
1324
1325        Ok(Self {
1326            edit_predictions: EditPredictionSettings {
1327                provider: if let Some(provider) = edit_prediction_provider {
1328                    provider
1329                } else {
1330                    EditPredictionProvider::None
1331                },
1332                disabled_globs: completion_globs
1333                    .iter()
1334                    .filter_map(|g| {
1335                        let expanded_g = shellexpand::tilde(g).into_owned();
1336                        Some(DisabledGlob {
1337                            matcher: globset::Glob::new(&expanded_g).ok()?.compile_matcher(),
1338                            is_absolute: Path::new(&expanded_g).is_absolute(),
1339                        })
1340                    })
1341                    .collect(),
1342                mode: edit_predictions_mode,
1343                copilot: copilot_settings,
1344                enabled_in_text_threads,
1345            },
1346            defaults,
1347            languages,
1348            file_types,
1349        })
1350    }
1351
1352    fn import_from_vscode(vscode: &settings::VsCodeSettings, current: &mut Self::FileContent) {
1353        let d = &mut current.defaults;
1354        if let Some(size) = vscode
1355            .read_value("editor.tabSize")
1356            .and_then(|v| v.as_u64())
1357            .and_then(|n| NonZeroU32::new(n as u32))
1358        {
1359            d.tab_size = Some(size);
1360        }
1361        if let Some(v) = vscode.read_bool("editor.insertSpaces") {
1362            d.hard_tabs = Some(!v);
1363        }
1364
1365        vscode.enum_setting("editor.wordWrap", &mut d.soft_wrap, |s| match s {
1366            "on" => Some(SoftWrap::EditorWidth),
1367            "wordWrapColumn" => Some(SoftWrap::PreferLine),
1368            "bounded" => Some(SoftWrap::Bounded),
1369            "off" => Some(SoftWrap::None),
1370            _ => None,
1371        });
1372        vscode.u32_setting("editor.wordWrapColumn", &mut d.preferred_line_length);
1373
1374        if let Some(arr) = vscode
1375            .read_value("editor.rulers")
1376            .and_then(|v| v.as_array())
1377            .map(|v| v.iter().map(|n| n.as_u64().map(|n| n as usize)).collect())
1378        {
1379            d.wrap_guides = arr;
1380        }
1381        if let Some(b) = vscode.read_bool("editor.guides.indentation") {
1382            if let Some(guide_settings) = d.indent_guides.as_mut() {
1383                guide_settings.enabled = b;
1384            } else {
1385                d.indent_guides = Some(IndentGuideSettings {
1386                    enabled: b,
1387                    ..Default::default()
1388                });
1389            }
1390        }
1391
1392        if let Some(b) = vscode.read_bool("editor.guides.formatOnSave") {
1393            d.format_on_save = Some(if b {
1394                FormatOnSave::On
1395            } else {
1396                FormatOnSave::Off
1397            });
1398        }
1399        vscode.bool_setting(
1400            "editor.trimAutoWhitespace",
1401            &mut d.remove_trailing_whitespace_on_save,
1402        );
1403        vscode.bool_setting(
1404            "files.insertFinalNewline",
1405            &mut d.ensure_final_newline_on_save,
1406        );
1407        vscode.bool_setting("editor.inlineSuggest.enabled", &mut d.show_edit_predictions);
1408        vscode.enum_setting("editor.renderWhitespace", &mut d.show_whitespaces, |s| {
1409            Some(match s {
1410                "boundary" => ShowWhitespaceSetting::Boundary,
1411                "trailing" => ShowWhitespaceSetting::Trailing,
1412                "selection" => ShowWhitespaceSetting::Selection,
1413                "all" => ShowWhitespaceSetting::All,
1414                _ => ShowWhitespaceSetting::None,
1415            })
1416        });
1417        vscode.enum_setting(
1418            "editor.autoSurround",
1419            &mut d.use_auto_surround,
1420            |s| match s {
1421                "languageDefined" | "quotes" | "brackets" => Some(true),
1422                "never" => Some(false),
1423                _ => None,
1424            },
1425        );
1426        vscode.bool_setting("editor.formatOnType", &mut d.use_on_type_format);
1427        vscode.bool_setting("editor.linkedEditing", &mut d.linked_edits);
1428        vscode.bool_setting("editor.formatOnPaste", &mut d.auto_indent_on_paste);
1429        vscode.bool_setting(
1430            "editor.suggestOnTriggerCharacters",
1431            &mut d.show_completions_on_input,
1432        );
1433        if let Some(b) = vscode.read_bool("editor.suggest.showWords") {
1434            let mode = if b {
1435                WordsCompletionMode::Enabled
1436            } else {
1437                WordsCompletionMode::Disabled
1438            };
1439            if let Some(completion_settings) = d.completions.as_mut() {
1440                completion_settings.words = mode;
1441            } else {
1442                d.completions = Some(CompletionSettings {
1443                    words: mode,
1444                    lsp: true,
1445                    lsp_fetch_timeout_ms: 0,
1446                    lsp_insert_mode: LspInsertMode::ReplaceSuffix,
1447                });
1448            }
1449        }
1450        // TODO: pull ^ out into helper and reuse for per-language settings
1451
1452        // vscodes file association map is inverted from ours, so we flip the mapping before merging
1453        let mut associations: HashMap<Arc<str>, Vec<String>> = HashMap::default();
1454        if let Some(map) = vscode
1455            .read_value("files.associations")
1456            .and_then(|v| v.as_object())
1457        {
1458            for (k, v) in map {
1459                let Some(v) = v.as_str() else { continue };
1460                associations.entry(v.into()).or_default().push(k.clone());
1461            }
1462        }
1463
1464        // TODO: do we want to merge imported globs per filetype? for now we'll just replace
1465        current.file_types.extend(associations);
1466
1467        // cursor global ignore list applies to cursor-tab, so transfer it to edit_predictions.disabled_globs
1468        if let Some(disabled_globs) = vscode
1469            .read_value("cursor.general.globalCursorIgnoreList")
1470            .and_then(|v| v.as_array())
1471        {
1472            current
1473                .edit_predictions
1474                .get_or_insert_default()
1475                .disabled_globs
1476                .get_or_insert_default()
1477                .extend(
1478                    disabled_globs
1479                        .iter()
1480                        .filter_map(|glob| glob.as_str())
1481                        .map(|s| s.to_string()),
1482                );
1483        }
1484    }
1485}
1486
1487fn merge_settings(settings: &mut LanguageSettings, src: &LanguageSettingsContent) {
1488    fn merge<T>(target: &mut T, value: Option<T>) {
1489        if let Some(value) = value {
1490            *target = value;
1491        }
1492    }
1493
1494    merge(&mut settings.tab_size, src.tab_size);
1495    settings.tab_size = settings
1496        .tab_size
1497        .clamp(NonZeroU32::new(1).unwrap(), NonZeroU32::new(16).unwrap());
1498
1499    merge(&mut settings.hard_tabs, src.hard_tabs);
1500    merge(&mut settings.soft_wrap, src.soft_wrap);
1501    merge(&mut settings.use_autoclose, src.use_autoclose);
1502    merge(&mut settings.use_auto_surround, src.use_auto_surround);
1503    merge(&mut settings.use_on_type_format, src.use_on_type_format);
1504    merge(&mut settings.auto_indent_on_paste, src.auto_indent_on_paste);
1505    merge(
1506        &mut settings.always_treat_brackets_as_autoclosed,
1507        src.always_treat_brackets_as_autoclosed,
1508    );
1509    merge(&mut settings.show_wrap_guides, src.show_wrap_guides);
1510    merge(&mut settings.wrap_guides, src.wrap_guides.clone());
1511    merge(&mut settings.indent_guides, src.indent_guides);
1512    merge(
1513        &mut settings.code_actions_on_format,
1514        src.code_actions_on_format.clone(),
1515    );
1516    merge(&mut settings.linked_edits, src.linked_edits);
1517    merge(&mut settings.tasks, src.tasks.clone());
1518
1519    merge(
1520        &mut settings.preferred_line_length,
1521        src.preferred_line_length,
1522    );
1523    merge(&mut settings.formatter, src.formatter.clone());
1524    merge(&mut settings.prettier, src.prettier.clone());
1525    merge(
1526        &mut settings.jsx_tag_auto_close,
1527        src.jsx_tag_auto_close.clone(),
1528    );
1529    merge(&mut settings.format_on_save, src.format_on_save.clone());
1530    merge(
1531        &mut settings.remove_trailing_whitespace_on_save,
1532        src.remove_trailing_whitespace_on_save,
1533    );
1534    merge(
1535        &mut settings.ensure_final_newline_on_save,
1536        src.ensure_final_newline_on_save,
1537    );
1538    merge(
1539        &mut settings.enable_language_server,
1540        src.enable_language_server,
1541    );
1542    merge(&mut settings.language_servers, src.language_servers.clone());
1543    merge(&mut settings.allow_rewrap, src.allow_rewrap);
1544    merge(
1545        &mut settings.show_edit_predictions,
1546        src.show_edit_predictions,
1547    );
1548    merge(
1549        &mut settings.edit_predictions_disabled_in,
1550        src.edit_predictions_disabled_in.clone(),
1551    );
1552    merge(&mut settings.show_whitespaces, src.show_whitespaces);
1553    merge(
1554        &mut settings.extend_comment_on_newline,
1555        src.extend_comment_on_newline,
1556    );
1557    merge(&mut settings.inlay_hints, src.inlay_hints);
1558    merge(
1559        &mut settings.show_completions_on_input,
1560        src.show_completions_on_input,
1561    );
1562    merge(
1563        &mut settings.show_completion_documentation,
1564        src.show_completion_documentation,
1565    );
1566    merge(&mut settings.completions, src.completions);
1567}
1568
1569/// Allows to enable/disable formatting with Prettier
1570/// and configure default Prettier, used when no project-level Prettier installation is found.
1571/// Prettier formatting is disabled by default.
1572#[derive(Default, Debug, Clone, PartialEq, Eq, Serialize, Deserialize, JsonSchema)]
1573pub struct PrettierSettings {
1574    /// Enables or disables formatting with Prettier for a given language.
1575    #[serde(default)]
1576    pub allowed: bool,
1577
1578    /// Forces Prettier integration to use a specific parser name when formatting files with the language.
1579    #[serde(default)]
1580    pub parser: Option<String>,
1581
1582    /// Forces Prettier integration to use specific plugins when formatting files with the language.
1583    /// The default Prettier will be installed with these plugins.
1584    #[serde(default)]
1585    pub plugins: HashSet<String>,
1586
1587    /// Default Prettier options, in the format as in package.json section for Prettier.
1588    /// If project installs Prettier via its package.json, these options will be ignored.
1589    #[serde(flatten)]
1590    pub options: HashMap<String, serde_json::Value>,
1591}
1592
1593#[derive(Default, Debug, Clone, PartialEq, Eq, Serialize, Deserialize, JsonSchema)]
1594pub struct JsxTagAutoCloseSettings {
1595    /// Enables or disables auto-closing of JSX tags.
1596    #[serde(default)]
1597    pub enabled: bool,
1598}
1599
1600#[cfg(test)]
1601mod tests {
1602    use gpui::TestAppContext;
1603
1604    use super::*;
1605
1606    #[test]
1607    fn test_formatter_deserialization() {
1608        let raw_auto = "{\"formatter\": \"auto\"}";
1609        let settings: LanguageSettingsContent = serde_json::from_str(raw_auto).unwrap();
1610        assert_eq!(settings.formatter, Some(SelectedFormatter::Auto));
1611        let raw = "{\"formatter\": \"language_server\"}";
1612        let settings: LanguageSettingsContent = serde_json::from_str(raw).unwrap();
1613        assert_eq!(
1614            settings.formatter,
1615            Some(SelectedFormatter::List(vec![Formatter::LanguageServer {
1616                name: None
1617            }]))
1618        );
1619        let raw = "{\"formatter\": [{\"language_server\": {\"name\": null}}]}";
1620        let settings: LanguageSettingsContent = serde_json::from_str(raw).unwrap();
1621        assert_eq!(
1622            settings.formatter,
1623            Some(SelectedFormatter::List(vec![Formatter::LanguageServer {
1624                name: None
1625            }]))
1626        );
1627        let raw = "{\"formatter\": [{\"language_server\": {\"name\": null}}, \"prettier\"]}";
1628        let settings: LanguageSettingsContent = serde_json::from_str(raw).unwrap();
1629        assert_eq!(
1630            settings.formatter,
1631            Some(SelectedFormatter::List(vec![
1632                Formatter::LanguageServer { name: None },
1633                Formatter::Prettier
1634            ]))
1635        );
1636    }
1637
1638    #[test]
1639    fn test_formatter_deserialization_invalid() {
1640        let raw_auto = "{\"formatter\": {}}";
1641        let result: Result<LanguageSettingsContent, _> = serde_json::from_str(raw_auto);
1642        assert!(result.is_err());
1643    }
1644
1645    #[gpui::test]
1646    fn test_edit_predictions_enabled_for_file(cx: &mut TestAppContext) {
1647        use crate::TestFile;
1648        use std::path::PathBuf;
1649
1650        let cx = cx.app.borrow_mut();
1651
1652        let build_settings = |globs: &[&str]| -> EditPredictionSettings {
1653            EditPredictionSettings {
1654                disabled_globs: globs
1655                    .iter()
1656                    .map(|glob_str| {
1657                        #[cfg(windows)]
1658                        let glob_str = {
1659                            let mut g = String::new();
1660
1661                            if glob_str.starts_with('/') {
1662                                g.push_str("C:");
1663                            }
1664
1665                            g.push_str(&glob_str.replace('/', "\\"));
1666                            g
1667                        };
1668                        #[cfg(windows)]
1669                        let glob_str = glob_str.as_str();
1670                        let expanded_glob_str = shellexpand::tilde(glob_str).into_owned();
1671                        DisabledGlob {
1672                            matcher: globset::Glob::new(&expanded_glob_str)
1673                                .unwrap()
1674                                .compile_matcher(),
1675                            is_absolute: Path::new(&expanded_glob_str).is_absolute(),
1676                        }
1677                    })
1678                    .collect(),
1679                ..Default::default()
1680            }
1681        };
1682
1683        const WORKTREE_NAME: &str = "project";
1684        let make_test_file = |segments: &[&str]| -> Arc<dyn File> {
1685            let mut path_buf = PathBuf::new();
1686            path_buf.extend(segments);
1687
1688            Arc::new(TestFile {
1689                path: path_buf.as_path().into(),
1690                root_name: WORKTREE_NAME.to_string(),
1691                local_root: Some(PathBuf::from(if cfg!(windows) {
1692                    "C:\\absolute\\"
1693                } else {
1694                    "/absolute/"
1695                })),
1696            })
1697        };
1698
1699        let test_file = make_test_file(&["src", "test", "file.rs"]);
1700
1701        // Test relative globs
1702        let settings = build_settings(&["*.rs"]);
1703        assert!(!settings.enabled_for_file(&test_file, &cx));
1704        let settings = build_settings(&["*.txt"]);
1705        assert!(settings.enabled_for_file(&test_file, &cx));
1706
1707        // Test absolute globs
1708        let settings = build_settings(&["/absolute/**/*.rs"]);
1709        assert!(!settings.enabled_for_file(&test_file, &cx));
1710        let settings = build_settings(&["/other/**/*.rs"]);
1711        assert!(settings.enabled_for_file(&test_file, &cx));
1712
1713        // Test exact path match relative
1714        let settings = build_settings(&["src/test/file.rs"]);
1715        assert!(!settings.enabled_for_file(&test_file, &cx));
1716        let settings = build_settings(&["src/test/otherfile.rs"]);
1717        assert!(settings.enabled_for_file(&test_file, &cx));
1718
1719        // Test exact path match absolute
1720        let settings = build_settings(&[&format!("/absolute/{}/src/test/file.rs", WORKTREE_NAME)]);
1721        assert!(!settings.enabled_for_file(&test_file, &cx));
1722        let settings = build_settings(&["/other/test/otherfile.rs"]);
1723        assert!(settings.enabled_for_file(&test_file, &cx));
1724
1725        // Test * glob
1726        let settings = build_settings(&["*"]);
1727        assert!(!settings.enabled_for_file(&test_file, &cx));
1728        let settings = build_settings(&["*.txt"]);
1729        assert!(settings.enabled_for_file(&test_file, &cx));
1730
1731        // Test **/* glob
1732        let settings = build_settings(&["**/*"]);
1733        assert!(!settings.enabled_for_file(&test_file, &cx));
1734        let settings = build_settings(&["other/**/*"]);
1735        assert!(settings.enabled_for_file(&test_file, &cx));
1736
1737        // Test directory/** glob
1738        let settings = build_settings(&["src/**"]);
1739        assert!(!settings.enabled_for_file(&test_file, &cx));
1740
1741        let test_file_root: Arc<dyn File> = Arc::new(TestFile {
1742            path: PathBuf::from("file.rs").as_path().into(),
1743            root_name: WORKTREE_NAME.to_string(),
1744            local_root: Some(PathBuf::from("/absolute/")),
1745        });
1746        assert!(settings.enabled_for_file(&test_file_root, &cx));
1747
1748        let settings = build_settings(&["other/**"]);
1749        assert!(settings.enabled_for_file(&test_file, &cx));
1750
1751        // Test **/directory/* glob
1752        let settings = build_settings(&["**/test/*"]);
1753        assert!(!settings.enabled_for_file(&test_file, &cx));
1754        let settings = build_settings(&["**/other/*"]);
1755        assert!(settings.enabled_for_file(&test_file, &cx));
1756
1757        // Test multiple globs
1758        let settings = build_settings(&["*.rs", "*.txt", "src/**"]);
1759        assert!(!settings.enabled_for_file(&test_file, &cx));
1760        let settings = build_settings(&["*.txt", "*.md", "other/**"]);
1761        assert!(settings.enabled_for_file(&test_file, &cx));
1762
1763        // Test dot files
1764        let dot_file = make_test_file(&[".config", "settings.json"]);
1765        let settings = build_settings(&[".*/**"]);
1766        assert!(!settings.enabled_for_file(&dot_file, &cx));
1767
1768        let dot_env_file = make_test_file(&[".env"]);
1769        let settings = build_settings(&[".env"]);
1770        assert!(!settings.enabled_for_file(&dot_env_file, &cx));
1771
1772        // Test tilde expansion
1773        let home = shellexpand::tilde("~").into_owned().to_string();
1774        let home_file = make_test_file(&[&home, "test.rs"]);
1775        let settings = build_settings(&["~/test.rs"]);
1776        assert!(!settings.enabled_for_file(&home_file, &cx));
1777    }
1778
1779    #[test]
1780    fn test_resolve_language_servers() {
1781        fn language_server_names(names: &[&str]) -> Vec<LanguageServerName> {
1782            names
1783                .iter()
1784                .copied()
1785                .map(|name| LanguageServerName(name.to_string().into()))
1786                .collect::<Vec<_>>()
1787        }
1788
1789        let available_language_servers = language_server_names(&[
1790            "typescript-language-server",
1791            "biome",
1792            "deno",
1793            "eslint",
1794            "tailwind",
1795        ]);
1796
1797        // A value of just `["..."]` is the same as taking all of the available language servers.
1798        assert_eq!(
1799            LanguageSettings::resolve_language_servers(
1800                &[LanguageSettings::REST_OF_LANGUAGE_SERVERS.into()],
1801                &available_language_servers,
1802            ),
1803            available_language_servers
1804        );
1805
1806        // Referencing one of the available language servers will change its order.
1807        assert_eq!(
1808            LanguageSettings::resolve_language_servers(
1809                &[
1810                    "biome".into(),
1811                    LanguageSettings::REST_OF_LANGUAGE_SERVERS.into(),
1812                    "deno".into()
1813                ],
1814                &available_language_servers
1815            ),
1816            language_server_names(&[
1817                "biome",
1818                "typescript-language-server",
1819                "eslint",
1820                "tailwind",
1821                "deno",
1822            ])
1823        );
1824
1825        // Negating an available language server removes it from the list.
1826        assert_eq!(
1827            LanguageSettings::resolve_language_servers(
1828                &[
1829                    "deno".into(),
1830                    "!typescript-language-server".into(),
1831                    "!biome".into(),
1832                    LanguageSettings::REST_OF_LANGUAGE_SERVERS.into()
1833                ],
1834                &available_language_servers
1835            ),
1836            language_server_names(&["deno", "eslint", "tailwind"])
1837        );
1838
1839        // Adding a language server not in the list of available language servers adds it to the list.
1840        assert_eq!(
1841            LanguageSettings::resolve_language_servers(
1842                &[
1843                    "my-cool-language-server".into(),
1844                    LanguageSettings::REST_OF_LANGUAGE_SERVERS.into()
1845                ],
1846                &available_language_servers
1847            ),
1848            language_server_names(&[
1849                "my-cool-language-server",
1850                "typescript-language-server",
1851                "biome",
1852                "deno",
1853                "eslint",
1854                "tailwind",
1855            ])
1856        );
1857    }
1858}