language_settings.rs

   1//! Provides `language`-related settings.
   2
   3use crate::{File, Language, LanguageName, LanguageServerName};
   4use anyhow::Result;
   5use collections::{FxHashMap, HashMap, HashSet};
   6use core::slice;
   7use ec4rs::{
   8    Properties as EditorconfigProperties,
   9    property::{FinalNewline, IndentSize, IndentStyle, TabWidth, TrimTrailingWs},
  10};
  11use globset::{Glob, GlobMatcher, GlobSet, GlobSetBuilder};
  12use gpui::{App, Modifiers};
  13use itertools::{Either, Itertools};
  14use schemars::{
  15    JsonSchema,
  16    schema::{InstanceType, ObjectValidation, Schema, SchemaObject, SingleOrVec},
  17};
  18use serde::{
  19    Deserialize, Deserializer, Serialize,
  20    de::{self, IntoDeserializer, MapAccess, SeqAccess, Visitor},
  21};
  22use serde_json::Value;
  23use settings::{
  24    Settings, SettingsLocation, SettingsSources, SettingsStore, add_references_to_properties,
  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    pub defaults: LanguageSettings,
  65    languages: HashMap<LanguageName, LanguageSettings>,
  66    pub(crate) file_types: FxHashMap<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    /// Preferred debuggers for this language.
 157    pub debuggers: Vec<String>,
 158}
 159
 160impl LanguageSettings {
 161    /// A token representing the rest of the available language servers.
 162    const REST_OF_LANGUAGE_SERVERS: &'static str = "...";
 163
 164    /// Returns the customized list of language servers from the list of
 165    /// available language servers.
 166    pub fn customized_language_servers(
 167        &self,
 168        available_language_servers: &[LanguageServerName],
 169    ) -> Vec<LanguageServerName> {
 170        Self::resolve_language_servers(&self.language_servers, available_language_servers)
 171    }
 172
 173    pub(crate) fn resolve_language_servers(
 174        configured_language_servers: &[String],
 175        available_language_servers: &[LanguageServerName],
 176    ) -> Vec<LanguageServerName> {
 177        let (disabled_language_servers, enabled_language_servers): (
 178            Vec<LanguageServerName>,
 179            Vec<LanguageServerName>,
 180        ) = configured_language_servers.iter().partition_map(
 181            |language_server| match language_server.strip_prefix('!') {
 182                Some(disabled) => Either::Left(LanguageServerName(disabled.to_string().into())),
 183                None => Either::Right(LanguageServerName(language_server.clone().into())),
 184            },
 185        );
 186
 187        let rest = available_language_servers
 188            .iter()
 189            .filter(|&available_language_server| {
 190                !disabled_language_servers.contains(&available_language_server)
 191                    && !enabled_language_servers.contains(&available_language_server)
 192            })
 193            .cloned()
 194            .collect::<Vec<_>>();
 195
 196        enabled_language_servers
 197            .into_iter()
 198            .flat_map(|language_server| {
 199                if language_server.0.as_ref() == Self::REST_OF_LANGUAGE_SERVERS {
 200                    rest.clone()
 201                } else {
 202                    vec![language_server.clone()]
 203                }
 204            })
 205            .collect::<Vec<_>>()
 206    }
 207}
 208
 209/// The provider that supplies edit predictions.
 210#[derive(Copy, Clone, Debug, Default, Eq, PartialEq, Serialize, Deserialize, JsonSchema)]
 211#[serde(rename_all = "snake_case")]
 212pub enum EditPredictionProvider {
 213    None,
 214    #[default]
 215    Copilot,
 216    Supermaven,
 217    Zed,
 218}
 219
 220impl EditPredictionProvider {
 221    pub fn is_zed(&self) -> bool {
 222        match self {
 223            EditPredictionProvider::Zed => true,
 224            EditPredictionProvider::None
 225            | EditPredictionProvider::Copilot
 226            | EditPredictionProvider::Supermaven => false,
 227        }
 228    }
 229}
 230
 231/// The settings for edit predictions, such as [GitHub Copilot](https://github.com/features/copilot)
 232/// or [Supermaven](https://supermaven.com).
 233#[derive(Clone, Debug, Default)]
 234pub struct EditPredictionSettings {
 235    /// The provider that supplies edit predictions.
 236    pub provider: EditPredictionProvider,
 237    /// A list of globs representing files that edit predictions should be disabled for.
 238    /// This list adds to a pre-existing, sensible default set of globs.
 239    /// Any additional ones you add are combined with them.
 240    pub disabled_globs: Vec<DisabledGlob>,
 241    /// Configures how edit predictions are displayed in the buffer.
 242    pub mode: EditPredictionsMode,
 243    /// Settings specific to GitHub Copilot.
 244    pub copilot: CopilotSettings,
 245    /// Whether edit predictions are enabled in the assistant panel.
 246    /// This setting has no effect if globally disabled.
 247    pub enabled_in_text_threads: bool,
 248}
 249
 250impl EditPredictionSettings {
 251    /// Returns whether edit predictions are enabled for the given path.
 252    pub fn enabled_for_file(&self, file: &Arc<dyn File>, cx: &App) -> bool {
 253        !self.disabled_globs.iter().any(|glob| {
 254            if glob.is_absolute {
 255                file.as_local()
 256                    .map_or(false, |local| glob.matcher.is_match(local.abs_path(cx)))
 257            } else {
 258                glob.matcher.is_match(file.path())
 259            }
 260        })
 261    }
 262}
 263
 264#[derive(Clone, Debug)]
 265pub struct DisabledGlob {
 266    matcher: GlobMatcher,
 267    is_absolute: bool,
 268}
 269
 270/// The mode in which edit predictions should be displayed.
 271#[derive(Copy, Clone, Debug, Default, Eq, PartialEq, Serialize, Deserialize, JsonSchema)]
 272#[serde(rename_all = "snake_case")]
 273pub enum EditPredictionsMode {
 274    /// If provider supports it, display inline when holding modifier key (e.g., alt).
 275    /// Otherwise, eager preview is used.
 276    #[serde(alias = "auto")]
 277    Subtle,
 278    /// Display inline when there are no language server completions available.
 279    #[default]
 280    #[serde(alias = "eager_preview")]
 281    Eager,
 282}
 283
 284#[derive(Clone, Debug, Default)]
 285pub struct CopilotSettings {
 286    /// HTTP/HTTPS proxy to use for Copilot.
 287    pub proxy: Option<String>,
 288    /// Disable certificate verification for proxy (not recommended).
 289    pub proxy_no_verify: Option<bool>,
 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: HashMap<LanguageName, LanguageSettingsContent>,
 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/// Controls how completions are processed for this language.
 314#[derive(Copy, Clone, Debug, Serialize, Deserialize, PartialEq, Eq, JsonSchema)]
 315#[serde(rename_all = "snake_case")]
 316pub struct CompletionSettings {
 317    /// Controls how words are completed.
 318    /// For large documents, not all words may be fetched for completion.
 319    ///
 320    /// Default: `fallback`
 321    #[serde(default = "default_words_completion_mode")]
 322    pub words: WordsCompletionMode,
 323    /// Whether to fetch LSP completions or not.
 324    ///
 325    /// Default: true
 326    #[serde(default = "default_true")]
 327    pub lsp: bool,
 328    /// When fetching LSP completions, determines how long to wait for a response of a particular server.
 329    /// When set to 0, waits indefinitely.
 330    ///
 331    /// Default: 0
 332    #[serde(default = "default_lsp_fetch_timeout_ms")]
 333    pub lsp_fetch_timeout_ms: u64,
 334    /// Controls how LSP completions are inserted.
 335    ///
 336    /// Default: "replace_suffix"
 337    #[serde(default = "default_lsp_insert_mode")]
 338    pub lsp_insert_mode: LspInsertMode,
 339}
 340
 341/// Controls how document's words are completed.
 342#[derive(Copy, Clone, Debug, Serialize, Deserialize, PartialEq, Eq, JsonSchema)]
 343#[serde(rename_all = "snake_case")]
 344pub enum WordsCompletionMode {
 345    /// Always fetch document's words for completions along with LSP completions.
 346    Enabled,
 347    /// Only if LSP response errors or times out,
 348    /// use document's words to show completions.
 349    Fallback,
 350    /// Never fetch or complete document's words for completions.
 351    /// (Word-based completions can still be queried via a separate action)
 352    Disabled,
 353}
 354
 355#[derive(Copy, Clone, Debug, Serialize, Deserialize, PartialEq, Eq, JsonSchema)]
 356#[serde(rename_all = "snake_case")]
 357pub enum LspInsertMode {
 358    /// Replaces text before the cursor, using the `insert` range described in the LSP specification.
 359    Insert,
 360    /// Replaces text before and after the cursor, using the `replace` range described in the LSP specification.
 361    Replace,
 362    /// Behaves like `"replace"` if the text that would be replaced is a subsequence of the completion text,
 363    /// and like `"insert"` otherwise.
 364    ReplaceSubsequence,
 365    /// Behaves like `"replace"` if the text after the cursor is a suffix of the completion, and like
 366    /// `"insert"` otherwise.
 367    ReplaceSuffix,
 368}
 369
 370fn default_words_completion_mode() -> WordsCompletionMode {
 371    WordsCompletionMode::Fallback
 372}
 373
 374fn default_lsp_insert_mode() -> LspInsertMode {
 375    LspInsertMode::ReplaceSuffix
 376}
 377
 378fn default_lsp_fetch_timeout_ms() -> u64 {
 379    0
 380}
 381
 382/// The settings for a particular language.
 383#[derive(Debug, Clone, Default, PartialEq, Serialize, Deserialize, JsonSchema)]
 384pub struct LanguageSettingsContent {
 385    /// How many columns a tab should occupy.
 386    ///
 387    /// Default: 4
 388    #[serde(default)]
 389    pub tab_size: Option<NonZeroU32>,
 390    /// Whether to indent lines using tab characters, as opposed to multiple
 391    /// spaces.
 392    ///
 393    /// Default: false
 394    #[serde(default)]
 395    pub hard_tabs: Option<bool>,
 396    /// How to soft-wrap long lines of text.
 397    ///
 398    /// Default: none
 399    #[serde(default)]
 400    pub soft_wrap: Option<SoftWrap>,
 401    /// The column at which to soft-wrap lines, for buffers where soft-wrap
 402    /// is enabled.
 403    ///
 404    /// Default: 80
 405    #[serde(default)]
 406    pub preferred_line_length: Option<u32>,
 407    /// Whether to show wrap guides in the editor. Setting this to true will
 408    /// show a guide at the 'preferred_line_length' value if softwrap is set to
 409    /// 'preferred_line_length', and will show any additional guides as specified
 410    /// by the 'wrap_guides' setting.
 411    ///
 412    /// Default: true
 413    #[serde(default)]
 414    pub show_wrap_guides: Option<bool>,
 415    /// Character counts at which to show wrap guides in the editor.
 416    ///
 417    /// Default: []
 418    #[serde(default)]
 419    pub wrap_guides: Option<Vec<usize>>,
 420    /// Indent guide related settings.
 421    #[serde(default)]
 422    pub indent_guides: Option<IndentGuideSettings>,
 423    /// Whether or not to perform a buffer format before saving.
 424    ///
 425    /// Default: on
 426    #[serde(default)]
 427    pub format_on_save: Option<FormatOnSave>,
 428    /// Whether or not to remove any trailing whitespace from lines of a buffer
 429    /// before saving it.
 430    ///
 431    /// Default: true
 432    #[serde(default)]
 433    pub remove_trailing_whitespace_on_save: Option<bool>,
 434    /// Whether or not to ensure there's a single newline at the end of a buffer
 435    /// when saving it.
 436    ///
 437    /// Default: true
 438    #[serde(default)]
 439    pub ensure_final_newline_on_save: Option<bool>,
 440    /// How to perform a buffer format.
 441    ///
 442    /// Default: auto
 443    #[serde(default)]
 444    pub formatter: Option<SelectedFormatter>,
 445    /// Zed's Prettier integration settings.
 446    /// Allows to enable/disable formatting with Prettier
 447    /// and configure default Prettier, used when no project-level Prettier installation is found.
 448    ///
 449    /// Default: off
 450    #[serde(default)]
 451    pub prettier: Option<PrettierSettings>,
 452    /// Whether to automatically close JSX tags.
 453    #[serde(default)]
 454    pub jsx_tag_auto_close: Option<JsxTagAutoCloseSettings>,
 455    /// Whether to use language servers to provide code intelligence.
 456    ///
 457    /// Default: true
 458    #[serde(default)]
 459    pub enable_language_server: Option<bool>,
 460    /// The list of language servers to use (or disable) for this language.
 461    ///
 462    /// This array should consist of language server IDs, as well as the following
 463    /// special tokens:
 464    /// - `"!<language_server_id>"` - A language server ID prefixed with a `!` will be disabled.
 465    /// - `"..."` - A placeholder to refer to the **rest** of the registered language servers for this language.
 466    ///
 467    /// Default: ["..."]
 468    #[serde(default)]
 469    pub language_servers: Option<Vec<String>>,
 470    /// Controls where the `editor::Rewrap` action is allowed for this language.
 471    ///
 472    /// Note: This setting has no effect in Vim mode, as rewrap is already
 473    /// allowed everywhere.
 474    ///
 475    /// Default: "in_comments"
 476    #[serde(default)]
 477    pub allow_rewrap: Option<RewrapBehavior>,
 478    /// Controls whether edit predictions are shown immediately (true)
 479    /// or manually by triggering `editor::ShowEditPrediction` (false).
 480    ///
 481    /// Default: true
 482    #[serde(default)]
 483    pub show_edit_predictions: Option<bool>,
 484    /// Controls whether edit predictions are shown in the given language
 485    /// scopes.
 486    ///
 487    /// Example: ["string", "comment"]
 488    ///
 489    /// Default: []
 490    #[serde(default)]
 491    pub edit_predictions_disabled_in: Option<Vec<String>>,
 492    /// Whether to show tabs and spaces in the editor.
 493    #[serde(default)]
 494    pub show_whitespaces: Option<ShowWhitespaceSetting>,
 495    /// Whether to start a new line with a comment when a previous line is a comment as well.
 496    ///
 497    /// Default: true
 498    #[serde(default)]
 499    pub extend_comment_on_newline: Option<bool>,
 500    /// Inlay hint related settings.
 501    #[serde(default)]
 502    pub inlay_hints: Option<InlayHintSettings>,
 503    /// Whether to automatically type closing characters for you. For example,
 504    /// when you type (, Zed will automatically add a closing ) at the correct position.
 505    ///
 506    /// Default: true
 507    pub use_autoclose: Option<bool>,
 508    /// Whether to automatically surround text with characters for you. For example,
 509    /// when you select text and type (, Zed will automatically surround text with ().
 510    ///
 511    /// Default: true
 512    pub use_auto_surround: Option<bool>,
 513    /// Controls how the editor handles the autoclosed characters.
 514    /// When set to `false`(default), skipping over and auto-removing of the closing characters
 515    /// happen only for auto-inserted characters.
 516    /// Otherwise(when `true`), the closing characters are always skipped over and auto-removed
 517    /// no matter how they were inserted.
 518    ///
 519    /// Default: false
 520    pub always_treat_brackets_as_autoclosed: Option<bool>,
 521    /// Whether to use additional LSP queries to format (and amend) the code after
 522    /// every "trigger" symbol input, defined by LSP server capabilities.
 523    ///
 524    /// Default: true
 525    pub use_on_type_format: Option<bool>,
 526    /// Which code actions to run on save after the formatter.
 527    /// These are not run if formatting is off.
 528    ///
 529    /// Default: {} (or {"source.organizeImports": true} for Go).
 530    pub code_actions_on_format: Option<HashMap<String, bool>>,
 531    /// Whether to perform linked edits of associated ranges, if the language server supports it.
 532    /// For example, when editing opening <html> tag, the contents of the closing </html> tag will be edited as well.
 533    ///
 534    /// Default: true
 535    pub linked_edits: Option<bool>,
 536    /// Whether indentation of pasted content should be adjusted based on the context.
 537    ///
 538    /// Default: true
 539    pub auto_indent_on_paste: Option<bool>,
 540    /// Task configuration for this language.
 541    ///
 542    /// Default: {}
 543    pub tasks: Option<LanguageTaskConfig>,
 544    /// Whether to pop the completions menu while typing in an editor without
 545    /// explicitly requesting it.
 546    ///
 547    /// Default: true
 548    pub show_completions_on_input: Option<bool>,
 549    /// Whether to display inline and alongside documentation for items in the
 550    /// completions menu.
 551    ///
 552    /// Default: true
 553    pub show_completion_documentation: Option<bool>,
 554    /// Controls how completions are processed for this language.
 555    pub completions: Option<CompletionSettings>,
 556    /// Preferred debuggers for this language.
 557    ///
 558    /// Default: []
 559    pub debuggers: Option<Vec<String>>,
 560}
 561
 562/// The behavior of `editor::Rewrap`.
 563#[derive(Debug, PartialEq, Clone, Copy, Default, Serialize, Deserialize, JsonSchema)]
 564#[serde(rename_all = "snake_case")]
 565pub enum RewrapBehavior {
 566    /// Only rewrap within comments.
 567    #[default]
 568    InComments,
 569    /// Only rewrap within the current selection(s).
 570    InSelections,
 571    /// Allow rewrapping anywhere.
 572    Anywhere,
 573}
 574
 575/// The contents of the edit prediction settings.
 576#[derive(Clone, Debug, Default, Serialize, Deserialize, JsonSchema, PartialEq)]
 577pub struct EditPredictionSettingsContent {
 578    /// A list of globs representing files that edit predictions should be disabled for.
 579    /// This list adds to a pre-existing, sensible default set of globs.
 580    /// Any additional ones you add are combined with them.
 581    #[serde(default)]
 582    pub disabled_globs: Option<Vec<String>>,
 583    /// The mode used to display edit predictions in the buffer.
 584    /// Provider support required.
 585    #[serde(default)]
 586    pub mode: EditPredictionsMode,
 587    /// Settings specific to GitHub Copilot.
 588    #[serde(default)]
 589    pub copilot: CopilotSettingsContent,
 590    /// Whether edit predictions are enabled in the assistant prompt editor.
 591    /// This has no effect if globally disabled.
 592    #[serde(default = "default_true")]
 593    pub enabled_in_text_threads: bool,
 594}
 595
 596#[derive(Clone, Debug, Default, Serialize, Deserialize, JsonSchema, PartialEq)]
 597pub struct CopilotSettingsContent {
 598    /// HTTP/HTTPS proxy to use for Copilot.
 599    ///
 600    /// Default: none
 601    #[serde(default)]
 602    pub proxy: Option<String>,
 603    /// Disable certificate verification for the proxy (not recommended).
 604    ///
 605    /// Default: false
 606    #[serde(default)]
 607    pub proxy_no_verify: Option<bool>,
 608}
 609
 610/// The settings for enabling/disabling features.
 611#[derive(Debug, Clone, PartialEq, Default, Serialize, Deserialize, JsonSchema)]
 612#[serde(rename_all = "snake_case")]
 613pub struct FeaturesContent {
 614    /// Determines which edit prediction provider to use.
 615    pub edit_prediction_provider: Option<EditPredictionProvider>,
 616}
 617
 618/// Controls the soft-wrapping behavior in the editor.
 619#[derive(Copy, Clone, Debug, Serialize, Deserialize, PartialEq, Eq, JsonSchema)]
 620#[serde(rename_all = "snake_case")]
 621pub enum SoftWrap {
 622    /// Prefer a single line generally, unless an overly long line is encountered.
 623    None,
 624    /// Deprecated: use None instead. Left to avoid breaking existing users' configs.
 625    /// Prefer a single line generally, unless an overly long line is encountered.
 626    PreferLine,
 627    /// Soft wrap lines that exceed the editor width.
 628    EditorWidth,
 629    /// Soft wrap lines at the preferred line length.
 630    PreferredLineLength,
 631    /// Soft wrap line at the preferred line length or the editor width (whichever is smaller).
 632    Bounded,
 633}
 634
 635/// Controls the behavior of formatting files when they are saved.
 636#[derive(Debug, Clone, PartialEq, Eq)]
 637pub enum FormatOnSave {
 638    /// Files should be formatted on save.
 639    On,
 640    /// Files should not be formatted on save.
 641    Off,
 642    List(FormatterList),
 643}
 644
 645impl JsonSchema for FormatOnSave {
 646    fn schema_name() -> String {
 647        "OnSaveFormatter".into()
 648    }
 649
 650    fn json_schema(generator: &mut schemars::r#gen::SchemaGenerator) -> Schema {
 651        let mut schema = SchemaObject::default();
 652        let formatter_schema = Formatter::json_schema(generator);
 653        schema.instance_type = Some(
 654            vec![
 655                InstanceType::Object,
 656                InstanceType::String,
 657                InstanceType::Array,
 658            ]
 659            .into(),
 660        );
 661
 662        let valid_raw_values = SchemaObject {
 663            enum_values: Some(vec![
 664                Value::String("on".into()),
 665                Value::String("off".into()),
 666                Value::String("prettier".into()),
 667                Value::String("language_server".into()),
 668            ]),
 669            ..Default::default()
 670        };
 671        let mut nested_values = SchemaObject::default();
 672
 673        nested_values.array().items = Some(formatter_schema.clone().into());
 674
 675        schema.subschemas().any_of = Some(vec![
 676            nested_values.into(),
 677            valid_raw_values.into(),
 678            formatter_schema,
 679        ]);
 680        schema.into()
 681    }
 682}
 683
 684impl Serialize for FormatOnSave {
 685    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
 686    where
 687        S: serde::Serializer,
 688    {
 689        match self {
 690            Self::On => serializer.serialize_str("on"),
 691            Self::Off => serializer.serialize_str("off"),
 692            Self::List(list) => list.serialize(serializer),
 693        }
 694    }
 695}
 696
 697impl<'de> Deserialize<'de> for FormatOnSave {
 698    fn deserialize<D>(deserializer: D) -> std::result::Result<Self, D::Error>
 699    where
 700        D: Deserializer<'de>,
 701    {
 702        struct FormatDeserializer;
 703
 704        impl<'d> Visitor<'d> for FormatDeserializer {
 705            type Value = FormatOnSave;
 706
 707            fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
 708                formatter.write_str("a valid on-save formatter kind")
 709            }
 710            fn visit_str<E>(self, v: &str) -> std::result::Result<Self::Value, E>
 711            where
 712                E: serde::de::Error,
 713            {
 714                if v == "on" {
 715                    Ok(Self::Value::On)
 716                } else if v == "off" {
 717                    Ok(Self::Value::Off)
 718                } else if v == "language_server" {
 719                    Ok(Self::Value::List(FormatterList(
 720                        Formatter::LanguageServer { name: None }.into(),
 721                    )))
 722                } else {
 723                    let ret: Result<FormatterList, _> =
 724                        Deserialize::deserialize(v.into_deserializer());
 725                    ret.map(Self::Value::List)
 726                }
 727            }
 728            fn visit_map<A>(self, map: A) -> Result<Self::Value, A::Error>
 729            where
 730                A: MapAccess<'d>,
 731            {
 732                let ret: Result<FormatterList, _> =
 733                    Deserialize::deserialize(de::value::MapAccessDeserializer::new(map));
 734                ret.map(Self::Value::List)
 735            }
 736            fn visit_seq<A>(self, map: A) -> Result<Self::Value, A::Error>
 737            where
 738                A: SeqAccess<'d>,
 739            {
 740                let ret: Result<FormatterList, _> =
 741                    Deserialize::deserialize(de::value::SeqAccessDeserializer::new(map));
 742                ret.map(Self::Value::List)
 743            }
 744        }
 745        deserializer.deserialize_any(FormatDeserializer)
 746    }
 747}
 748
 749/// Controls how whitespace should be displayedin the editor.
 750#[derive(Copy, Clone, Debug, Serialize, Deserialize, PartialEq, Eq, JsonSchema)]
 751#[serde(rename_all = "snake_case")]
 752pub enum ShowWhitespaceSetting {
 753    /// Draw whitespace only for the selected text.
 754    Selection,
 755    /// Do not draw any tabs or spaces.
 756    None,
 757    /// Draw all invisible symbols.
 758    All,
 759    /// Draw whitespaces at boundaries only.
 760    ///
 761    /// For a whitespace to be on a boundary, any of the following conditions need to be met:
 762    /// - It is a tab
 763    /// - It is adjacent to an edge (start or end)
 764    /// - It is adjacent to a whitespace (left or right)
 765    Boundary,
 766}
 767
 768/// Controls which formatter should be used when formatting code.
 769#[derive(Clone, Debug, Default, PartialEq, Eq)]
 770pub enum SelectedFormatter {
 771    /// Format files using Zed's Prettier integration (if applicable),
 772    /// or falling back to formatting via language server.
 773    #[default]
 774    Auto,
 775    List(FormatterList),
 776}
 777
 778impl JsonSchema for SelectedFormatter {
 779    fn schema_name() -> String {
 780        "Formatter".into()
 781    }
 782
 783    fn json_schema(generator: &mut schemars::r#gen::SchemaGenerator) -> Schema {
 784        let mut schema = SchemaObject::default();
 785        let formatter_schema = Formatter::json_schema(generator);
 786        schema.instance_type = Some(
 787            vec![
 788                InstanceType::Object,
 789                InstanceType::String,
 790                InstanceType::Array,
 791            ]
 792            .into(),
 793        );
 794
 795        let valid_raw_values = SchemaObject {
 796            enum_values: Some(vec![
 797                Value::String("auto".into()),
 798                Value::String("prettier".into()),
 799                Value::String("language_server".into()),
 800            ]),
 801            ..Default::default()
 802        };
 803
 804        let mut nested_values = SchemaObject::default();
 805
 806        nested_values.array().items = Some(formatter_schema.clone().into());
 807
 808        schema.subschemas().any_of = Some(vec![
 809            nested_values.into(),
 810            valid_raw_values.into(),
 811            formatter_schema,
 812        ]);
 813        schema.into()
 814    }
 815}
 816
 817impl Serialize for SelectedFormatter {
 818    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
 819    where
 820        S: serde::Serializer,
 821    {
 822        match self {
 823            SelectedFormatter::Auto => serializer.serialize_str("auto"),
 824            SelectedFormatter::List(list) => list.serialize(serializer),
 825        }
 826    }
 827}
 828impl<'de> Deserialize<'de> for SelectedFormatter {
 829    fn deserialize<D>(deserializer: D) -> std::result::Result<Self, D::Error>
 830    where
 831        D: Deserializer<'de>,
 832    {
 833        struct FormatDeserializer;
 834
 835        impl<'d> Visitor<'d> for FormatDeserializer {
 836            type Value = SelectedFormatter;
 837
 838            fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
 839                formatter.write_str("a valid formatter kind")
 840            }
 841            fn visit_str<E>(self, v: &str) -> std::result::Result<Self::Value, E>
 842            where
 843                E: serde::de::Error,
 844            {
 845                if v == "auto" {
 846                    Ok(Self::Value::Auto)
 847                } else if v == "language_server" {
 848                    Ok(Self::Value::List(FormatterList(
 849                        Formatter::LanguageServer { name: None }.into(),
 850                    )))
 851                } else {
 852                    let ret: Result<FormatterList, _> =
 853                        Deserialize::deserialize(v.into_deserializer());
 854                    ret.map(SelectedFormatter::List)
 855                }
 856            }
 857            fn visit_map<A>(self, map: A) -> Result<Self::Value, A::Error>
 858            where
 859                A: MapAccess<'d>,
 860            {
 861                let ret: Result<FormatterList, _> =
 862                    Deserialize::deserialize(de::value::MapAccessDeserializer::new(map));
 863                ret.map(SelectedFormatter::List)
 864            }
 865            fn visit_seq<A>(self, map: A) -> Result<Self::Value, A::Error>
 866            where
 867                A: SeqAccess<'d>,
 868            {
 869                let ret: Result<FormatterList, _> =
 870                    Deserialize::deserialize(de::value::SeqAccessDeserializer::new(map));
 871                ret.map(SelectedFormatter::List)
 872            }
 873        }
 874        deserializer.deserialize_any(FormatDeserializer)
 875    }
 876}
 877/// Controls which formatter should be used when formatting code.
 878#[derive(Clone, Debug, Serialize, Deserialize, PartialEq, Eq, JsonSchema)]
 879#[serde(rename_all = "snake_case", transparent)]
 880pub struct FormatterList(pub SingleOrVec<Formatter>);
 881
 882impl AsRef<[Formatter]> for FormatterList {
 883    fn as_ref(&self) -> &[Formatter] {
 884        match &self.0 {
 885            SingleOrVec::Single(single) => slice::from_ref(single),
 886            SingleOrVec::Vec(v) => v,
 887        }
 888    }
 889}
 890
 891/// Controls which formatter should be used when formatting code. If there are multiple formatters, they are executed in the order of declaration.
 892#[derive(Clone, Debug, Serialize, Deserialize, PartialEq, Eq, JsonSchema)]
 893#[serde(rename_all = "snake_case")]
 894pub enum Formatter {
 895    /// Format code using the current language server.
 896    LanguageServer { name: Option<String> },
 897    /// Format code using Zed's Prettier integration.
 898    Prettier,
 899    /// Format code using an external command.
 900    External {
 901        /// The external program to run.
 902        command: Arc<str>,
 903        /// The arguments to pass to the program.
 904        arguments: Option<Arc<[String]>>,
 905    },
 906    /// Files should be formatted using code actions executed by language servers.
 907    CodeActions(HashMap<String, bool>),
 908}
 909
 910/// The settings for indent guides.
 911#[derive(Default, Debug, Copy, Clone, PartialEq, Eq, Serialize, Deserialize, JsonSchema)]
 912pub struct IndentGuideSettings {
 913    /// Whether to display indent guides in the editor.
 914    ///
 915    /// Default: true
 916    #[serde(default = "default_true")]
 917    pub enabled: bool,
 918    /// The width of the indent guides in pixels, between 1 and 10.
 919    ///
 920    /// Default: 1
 921    #[serde(default = "line_width")]
 922    pub line_width: u32,
 923    /// The width of the active indent guide in pixels, between 1 and 10.
 924    ///
 925    /// Default: 1
 926    #[serde(default = "active_line_width")]
 927    pub active_line_width: u32,
 928    /// Determines how indent guides are colored.
 929    ///
 930    /// Default: Fixed
 931    #[serde(default)]
 932    pub coloring: IndentGuideColoring,
 933    /// Determines how indent guide backgrounds are colored.
 934    ///
 935    /// Default: Disabled
 936    #[serde(default)]
 937    pub background_coloring: IndentGuideBackgroundColoring,
 938}
 939
 940fn line_width() -> u32 {
 941    1
 942}
 943
 944fn active_line_width() -> u32 {
 945    line_width()
 946}
 947
 948/// Determines how indent guides are colored.
 949#[derive(Default, Debug, Copy, Clone, PartialEq, Eq, Serialize, Deserialize, JsonSchema)]
 950#[serde(rename_all = "snake_case")]
 951pub enum IndentGuideColoring {
 952    /// Do not render any lines for indent guides.
 953    Disabled,
 954    /// Use the same color for all indentation levels.
 955    #[default]
 956    Fixed,
 957    /// Use a different color for each indentation level.
 958    IndentAware,
 959}
 960
 961/// Determines how indent guide backgrounds are colored.
 962#[derive(Default, Debug, Copy, Clone, PartialEq, Eq, Serialize, Deserialize, JsonSchema)]
 963#[serde(rename_all = "snake_case")]
 964pub enum IndentGuideBackgroundColoring {
 965    /// Do not render any background for indent guides.
 966    #[default]
 967    Disabled,
 968    /// Use a different color for each indentation level.
 969    IndentAware,
 970}
 971
 972/// The settings for inlay hints.
 973#[derive(Copy, Clone, Debug, Serialize, Deserialize, JsonSchema, PartialEq, Eq)]
 974pub struct InlayHintSettings {
 975    /// Global switch to toggle hints on and off.
 976    ///
 977    /// Default: false
 978    #[serde(default)]
 979    pub enabled: bool,
 980    /// Global switch to toggle inline values on and off.
 981    ///
 982    /// Default: false
 983    #[serde(default)]
 984    pub show_value_hints: bool,
 985    /// Whether type hints should be shown.
 986    ///
 987    /// Default: true
 988    #[serde(default = "default_true")]
 989    pub show_type_hints: bool,
 990    /// Whether parameter hints should be shown.
 991    ///
 992    /// Default: true
 993    #[serde(default = "default_true")]
 994    pub show_parameter_hints: bool,
 995    /// Whether other hints should be shown.
 996    ///
 997    /// Default: true
 998    #[serde(default = "default_true")]
 999    pub show_other_hints: bool,
1000    /// Whether to show a background for inlay hints.
1001    ///
1002    /// If set to `true`, the background will use the `hint.background` color
1003    /// from the current theme.
1004    ///
1005    /// Default: false
1006    #[serde(default)]
1007    pub show_background: bool,
1008    /// Whether or not to debounce inlay hints updates after buffer edits.
1009    ///
1010    /// Set to 0 to disable debouncing.
1011    ///
1012    /// Default: 700
1013    #[serde(default = "edit_debounce_ms")]
1014    pub edit_debounce_ms: u64,
1015    /// Whether or not to debounce inlay hints updates after buffer scrolls.
1016    ///
1017    /// Set to 0 to disable debouncing.
1018    ///
1019    /// Default: 50
1020    #[serde(default = "scroll_debounce_ms")]
1021    pub scroll_debounce_ms: u64,
1022    /// Toggles inlay hints (hides or shows) when the user presses the modifiers specified.
1023    /// If only a subset of the modifiers specified is pressed, hints are not toggled.
1024    /// If no modifiers are specified, this is equivalent to `None`.
1025    ///
1026    /// Default: None
1027    #[serde(default)]
1028    pub toggle_on_modifiers_press: Option<Modifiers>,
1029}
1030
1031fn edit_debounce_ms() -> u64 {
1032    700
1033}
1034
1035fn scroll_debounce_ms() -> u64 {
1036    50
1037}
1038
1039/// The task settings for a particular language.
1040#[derive(Debug, Clone, Deserialize, PartialEq, Serialize, JsonSchema)]
1041pub struct LanguageTaskConfig {
1042    /// Extra task variables to set for a particular language.
1043    #[serde(default)]
1044    pub variables: HashMap<String, String>,
1045    #[serde(default = "default_true")]
1046    pub enabled: bool,
1047}
1048
1049impl InlayHintSettings {
1050    /// Returns the kinds of inlay hints that are enabled based on the settings.
1051    pub fn enabled_inlay_hint_kinds(&self) -> HashSet<Option<InlayHintKind>> {
1052        let mut kinds = HashSet::default();
1053        if self.show_type_hints {
1054            kinds.insert(Some(InlayHintKind::Type));
1055        }
1056        if self.show_parameter_hints {
1057            kinds.insert(Some(InlayHintKind::Parameter));
1058        }
1059        if self.show_other_hints {
1060            kinds.insert(None);
1061        }
1062        kinds
1063    }
1064}
1065
1066impl AllLanguageSettings {
1067    /// Returns the [`LanguageSettings`] for the language with the specified name.
1068    pub fn language<'a>(
1069        &'a self,
1070        location: Option<SettingsLocation<'a>>,
1071        language_name: Option<&LanguageName>,
1072        cx: &'a App,
1073    ) -> Cow<'a, LanguageSettings> {
1074        let settings = language_name
1075            .and_then(|name| self.languages.get(name))
1076            .unwrap_or(&self.defaults);
1077
1078        let editorconfig_properties = location.and_then(|location| {
1079            cx.global::<SettingsStore>()
1080                .editorconfig_properties(location.worktree_id, location.path)
1081        });
1082        if let Some(editorconfig_properties) = editorconfig_properties {
1083            let mut settings = settings.clone();
1084            merge_with_editorconfig(&mut settings, &editorconfig_properties);
1085            Cow::Owned(settings)
1086        } else {
1087            Cow::Borrowed(settings)
1088        }
1089    }
1090
1091    /// Returns whether edit predictions are enabled for the given path.
1092    pub fn edit_predictions_enabled_for_file(&self, file: &Arc<dyn File>, cx: &App) -> bool {
1093        self.edit_predictions.enabled_for_file(file, cx)
1094    }
1095
1096    /// Returns whether edit predictions are enabled for the given language and path.
1097    pub fn show_edit_predictions(&self, language: Option<&Arc<Language>>, cx: &App) -> bool {
1098        self.language(None, language.map(|l| l.name()).as_ref(), cx)
1099            .show_edit_predictions
1100    }
1101
1102    /// Returns the edit predictions preview mode for the given language and path.
1103    pub fn edit_predictions_mode(&self) -> EditPredictionsMode {
1104        self.edit_predictions.mode
1105    }
1106}
1107
1108fn merge_with_editorconfig(settings: &mut LanguageSettings, cfg: &EditorconfigProperties) {
1109    let tab_size = cfg.get::<IndentSize>().ok().and_then(|v| match v {
1110        IndentSize::Value(u) => NonZeroU32::new(u as u32),
1111        IndentSize::UseTabWidth => cfg.get::<TabWidth>().ok().and_then(|w| match w {
1112            TabWidth::Value(u) => NonZeroU32::new(u as u32),
1113        }),
1114    });
1115    let hard_tabs = cfg
1116        .get::<IndentStyle>()
1117        .map(|v| v.eq(&IndentStyle::Tabs))
1118        .ok();
1119    let ensure_final_newline_on_save = cfg
1120        .get::<FinalNewline>()
1121        .map(|v| match v {
1122            FinalNewline::Value(b) => b,
1123        })
1124        .ok();
1125    let remove_trailing_whitespace_on_save = cfg
1126        .get::<TrimTrailingWs>()
1127        .map(|v| match v {
1128            TrimTrailingWs::Value(b) => b,
1129        })
1130        .ok();
1131    fn merge<T>(target: &mut T, value: Option<T>) {
1132        if let Some(value) = value {
1133            *target = value;
1134        }
1135    }
1136    merge(&mut settings.tab_size, tab_size);
1137    merge(&mut settings.hard_tabs, hard_tabs);
1138    merge(
1139        &mut settings.remove_trailing_whitespace_on_save,
1140        remove_trailing_whitespace_on_save,
1141    );
1142    merge(
1143        &mut settings.ensure_final_newline_on_save,
1144        ensure_final_newline_on_save,
1145    );
1146}
1147
1148/// The kind of an inlay hint.
1149#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
1150pub enum InlayHintKind {
1151    /// An inlay hint for a type.
1152    Type,
1153    /// An inlay hint for a parameter.
1154    Parameter,
1155}
1156
1157impl InlayHintKind {
1158    /// Returns the [`InlayHintKind`] from the given name.
1159    ///
1160    /// Returns `None` if `name` does not match any of the expected
1161    /// string representations.
1162    pub fn from_name(name: &str) -> Option<Self> {
1163        match name {
1164            "type" => Some(InlayHintKind::Type),
1165            "parameter" => Some(InlayHintKind::Parameter),
1166            _ => None,
1167        }
1168    }
1169
1170    /// Returns the name of this [`InlayHintKind`].
1171    pub fn name(&self) -> &'static str {
1172        match self {
1173            InlayHintKind::Type => "type",
1174            InlayHintKind::Parameter => "parameter",
1175        }
1176    }
1177}
1178
1179impl settings::Settings for AllLanguageSettings {
1180    const KEY: Option<&'static str> = None;
1181
1182    type FileContent = AllLanguageSettingsContent;
1183
1184    fn load(sources: SettingsSources<Self::FileContent>, _: &mut App) -> Result<Self> {
1185        let default_value = sources.default;
1186
1187        // A default is provided for all settings.
1188        let mut defaults: LanguageSettings =
1189            serde_json::from_value(serde_json::to_value(&default_value.defaults)?)?;
1190
1191        let mut languages = HashMap::default();
1192        for (language_name, settings) in &default_value.languages {
1193            let mut language_settings = defaults.clone();
1194            merge_settings(&mut language_settings, settings);
1195            languages.insert(language_name.clone(), language_settings);
1196        }
1197
1198        let mut edit_prediction_provider = default_value
1199            .features
1200            .as_ref()
1201            .and_then(|f| f.edit_prediction_provider);
1202        let mut edit_predictions_mode = default_value
1203            .edit_predictions
1204            .as_ref()
1205            .map(|edit_predictions| edit_predictions.mode)
1206            .ok_or_else(Self::missing_default)?;
1207
1208        let mut completion_globs: HashSet<&String> = default_value
1209            .edit_predictions
1210            .as_ref()
1211            .and_then(|c| c.disabled_globs.as_ref())
1212            .map(|globs| globs.iter().collect())
1213            .ok_or_else(Self::missing_default)?;
1214
1215        let mut copilot_settings = default_value
1216            .edit_predictions
1217            .as_ref()
1218            .map(|settings| settings.copilot.clone())
1219            .map(|copilot| CopilotSettings {
1220                proxy: copilot.proxy,
1221                proxy_no_verify: copilot.proxy_no_verify,
1222            })
1223            .unwrap_or_default();
1224
1225        let mut enabled_in_text_threads = default_value
1226            .edit_predictions
1227            .as_ref()
1228            .map(|settings| settings.enabled_in_text_threads)
1229            .unwrap_or(true);
1230
1231        let mut file_types: FxHashMap<Arc<str>, GlobSet> = FxHashMap::default();
1232
1233        for (language, patterns) in &default_value.file_types {
1234            let mut builder = GlobSetBuilder::new();
1235
1236            for pattern in patterns {
1237                builder.add(Glob::new(pattern)?);
1238            }
1239
1240            file_types.insert(language.clone(), builder.build()?);
1241        }
1242
1243        for user_settings in sources.customizations() {
1244            if let Some(provider) = user_settings
1245                .features
1246                .as_ref()
1247                .and_then(|f| f.edit_prediction_provider)
1248            {
1249                edit_prediction_provider = Some(provider);
1250            }
1251
1252            if let Some(edit_predictions) = user_settings.edit_predictions.as_ref() {
1253                edit_predictions_mode = edit_predictions.mode;
1254                enabled_in_text_threads = edit_predictions.enabled_in_text_threads;
1255
1256                if let Some(disabled_globs) = edit_predictions.disabled_globs.as_ref() {
1257                    completion_globs.extend(disabled_globs.iter());
1258                }
1259            }
1260
1261            if let Some(proxy) = user_settings
1262                .edit_predictions
1263                .as_ref()
1264                .and_then(|settings| settings.copilot.proxy.clone())
1265            {
1266                copilot_settings.proxy = Some(proxy);
1267            }
1268
1269            if let Some(proxy_no_verify) = user_settings
1270                .edit_predictions
1271                .as_ref()
1272                .and_then(|settings| settings.copilot.proxy_no_verify)
1273            {
1274                copilot_settings.proxy_no_verify = Some(proxy_no_verify);
1275            }
1276
1277            // A user's global settings override the default global settings and
1278            // all default language-specific settings.
1279            merge_settings(&mut defaults, &user_settings.defaults);
1280            for language_settings in languages.values_mut() {
1281                merge_settings(language_settings, &user_settings.defaults);
1282            }
1283
1284            // A user's language-specific settings override default language-specific settings.
1285            for (language_name, user_language_settings) in &user_settings.languages {
1286                merge_settings(
1287                    languages
1288                        .entry(language_name.clone())
1289                        .or_insert_with(|| defaults.clone()),
1290                    user_language_settings,
1291                );
1292            }
1293
1294            for (language, patterns) in &user_settings.file_types {
1295                let mut builder = GlobSetBuilder::new();
1296
1297                let default_value = default_value.file_types.get(&language.clone());
1298
1299                // Merge the default value with the user's value.
1300                if let Some(patterns) = default_value {
1301                    for pattern in patterns {
1302                        builder.add(Glob::new(pattern)?);
1303                    }
1304                }
1305
1306                for pattern in patterns {
1307                    builder.add(Glob::new(pattern)?);
1308                }
1309
1310                file_types.insert(language.clone(), builder.build()?);
1311            }
1312        }
1313
1314        Ok(Self {
1315            edit_predictions: EditPredictionSettings {
1316                provider: if let Some(provider) = edit_prediction_provider {
1317                    provider
1318                } else {
1319                    EditPredictionProvider::None
1320                },
1321                disabled_globs: completion_globs
1322                    .iter()
1323                    .filter_map(|g| {
1324                        Some(DisabledGlob {
1325                            matcher: globset::Glob::new(g).ok()?.compile_matcher(),
1326                            is_absolute: Path::new(g).is_absolute(),
1327                        })
1328                    })
1329                    .collect(),
1330                mode: edit_predictions_mode,
1331                copilot: copilot_settings,
1332                enabled_in_text_threads,
1333            },
1334            defaults,
1335            languages,
1336            file_types,
1337        })
1338    }
1339
1340    fn json_schema(
1341        generator: &mut schemars::r#gen::SchemaGenerator,
1342        params: &settings::SettingsJsonSchemaParams,
1343        _: &App,
1344    ) -> schemars::schema::RootSchema {
1345        let mut root_schema = generator.root_schema_for::<Self::FileContent>();
1346
1347        // Create a schema for a 'languages overrides' object, associating editor
1348        // settings with specific languages.
1349        assert!(
1350            root_schema
1351                .definitions
1352                .contains_key("LanguageSettingsContent")
1353        );
1354
1355        let languages_object_schema = SchemaObject {
1356            instance_type: Some(InstanceType::Object.into()),
1357            object: Some(Box::new(ObjectValidation {
1358                properties: params
1359                    .language_names
1360                    .iter()
1361                    .map(|name| {
1362                        (
1363                            name.clone(),
1364                            Schema::new_ref("#/definitions/LanguageSettingsContent".into()),
1365                        )
1366                    })
1367                    .collect(),
1368                ..Default::default()
1369            })),
1370            ..Default::default()
1371        };
1372
1373        root_schema
1374            .definitions
1375            .extend([("Languages".into(), languages_object_schema.into())]);
1376
1377        add_references_to_properties(
1378            &mut root_schema,
1379            &[("languages", "#/definitions/Languages")],
1380        );
1381
1382        root_schema
1383    }
1384
1385    fn import_from_vscode(vscode: &settings::VsCodeSettings, current: &mut Self::FileContent) {
1386        let d = &mut current.defaults;
1387        if let Some(size) = vscode
1388            .read_value("editor.tabSize")
1389            .and_then(|v| v.as_u64())
1390            .and_then(|n| NonZeroU32::new(n as u32))
1391        {
1392            d.tab_size = Some(size);
1393        }
1394        if let Some(v) = vscode.read_bool("editor.insertSpaces") {
1395            d.hard_tabs = Some(!v);
1396        }
1397
1398        vscode.enum_setting("editor.wordWrap", &mut d.soft_wrap, |s| match s {
1399            "on" => Some(SoftWrap::EditorWidth),
1400            "wordWrapColumn" => Some(SoftWrap::PreferLine),
1401            "bounded" => Some(SoftWrap::Bounded),
1402            "off" => Some(SoftWrap::None),
1403            _ => None,
1404        });
1405        vscode.u32_setting("editor.wordWrapColumn", &mut d.preferred_line_length);
1406
1407        if let Some(arr) = vscode
1408            .read_value("editor.rulers")
1409            .and_then(|v| v.as_array())
1410            .map(|v| v.iter().map(|n| n.as_u64().map(|n| n as usize)).collect())
1411        {
1412            d.wrap_guides = arr;
1413        }
1414        if let Some(b) = vscode.read_bool("editor.guides.indentation") {
1415            if let Some(guide_settings) = d.indent_guides.as_mut() {
1416                guide_settings.enabled = b;
1417            } else {
1418                d.indent_guides = Some(IndentGuideSettings {
1419                    enabled: b,
1420                    ..Default::default()
1421                });
1422            }
1423        }
1424
1425        if let Some(b) = vscode.read_bool("editor.guides.formatOnSave") {
1426            d.format_on_save = Some(if b {
1427                FormatOnSave::On
1428            } else {
1429                FormatOnSave::Off
1430            });
1431        }
1432        vscode.bool_setting(
1433            "editor.trimAutoWhitespace",
1434            &mut d.remove_trailing_whitespace_on_save,
1435        );
1436        vscode.bool_setting(
1437            "files.insertFinalNewline",
1438            &mut d.ensure_final_newline_on_save,
1439        );
1440        vscode.bool_setting("editor.inlineSuggest.enabled", &mut d.show_edit_predictions);
1441        vscode.enum_setting("editor.renderWhitespace", &mut d.show_whitespaces, |s| {
1442            Some(match s {
1443                "boundary" | "trailing" => ShowWhitespaceSetting::Boundary,
1444                "selection" => ShowWhitespaceSetting::Selection,
1445                "all" => ShowWhitespaceSetting::All,
1446                _ => ShowWhitespaceSetting::None,
1447            })
1448        });
1449        vscode.enum_setting(
1450            "editor.autoSurround",
1451            &mut d.use_auto_surround,
1452            |s| match s {
1453                "languageDefined" | "quotes" | "brackets" => Some(true),
1454                "never" => Some(false),
1455                _ => None,
1456            },
1457        );
1458        vscode.bool_setting("editor.formatOnType", &mut d.use_on_type_format);
1459        vscode.bool_setting("editor.linkedEditing", &mut d.linked_edits);
1460        vscode.bool_setting("editor.formatOnPaste", &mut d.auto_indent_on_paste);
1461        vscode.bool_setting(
1462            "editor.suggestOnTriggerCharacters",
1463            &mut d.show_completions_on_input,
1464        );
1465        if let Some(b) = vscode.read_bool("editor.suggest.showWords") {
1466            let mode = if b {
1467                WordsCompletionMode::Enabled
1468            } else {
1469                WordsCompletionMode::Disabled
1470            };
1471            if let Some(completion_settings) = d.completions.as_mut() {
1472                completion_settings.words = mode;
1473            } else {
1474                d.completions = Some(CompletionSettings {
1475                    words: mode,
1476                    lsp: true,
1477                    lsp_fetch_timeout_ms: 0,
1478                    lsp_insert_mode: LspInsertMode::ReplaceSuffix,
1479                });
1480            }
1481        }
1482        // TODO: pull ^ out into helper and reuse for per-language settings
1483
1484        // vscodes file association map is inverted from ours, so we flip the mapping before merging
1485        let mut associations: HashMap<Arc<str>, Vec<String>> = HashMap::default();
1486        if let Some(map) = vscode
1487            .read_value("files.associations")
1488            .and_then(|v| v.as_object())
1489        {
1490            for (k, v) in map {
1491                let Some(v) = v.as_str() else { continue };
1492                associations.entry(v.into()).or_default().push(k.clone());
1493            }
1494        }
1495        // TODO: do we want to merge imported globs per filetype? for now we'll just replace
1496        current.file_types.extend(associations);
1497    }
1498}
1499
1500fn merge_settings(settings: &mut LanguageSettings, src: &LanguageSettingsContent) {
1501    fn merge<T>(target: &mut T, value: Option<T>) {
1502        if let Some(value) = value {
1503            *target = value;
1504        }
1505    }
1506
1507    merge(&mut settings.tab_size, src.tab_size);
1508    settings.tab_size = settings
1509        .tab_size
1510        .clamp(NonZeroU32::new(1).unwrap(), NonZeroU32::new(16).unwrap());
1511
1512    merge(&mut settings.hard_tabs, src.hard_tabs);
1513    merge(&mut settings.soft_wrap, src.soft_wrap);
1514    merge(&mut settings.use_autoclose, src.use_autoclose);
1515    merge(&mut settings.use_auto_surround, src.use_auto_surround);
1516    merge(&mut settings.use_on_type_format, src.use_on_type_format);
1517    merge(&mut settings.auto_indent_on_paste, src.auto_indent_on_paste);
1518    merge(
1519        &mut settings.always_treat_brackets_as_autoclosed,
1520        src.always_treat_brackets_as_autoclosed,
1521    );
1522    merge(&mut settings.show_wrap_guides, src.show_wrap_guides);
1523    merge(&mut settings.wrap_guides, src.wrap_guides.clone());
1524    merge(&mut settings.indent_guides, src.indent_guides);
1525    merge(
1526        &mut settings.code_actions_on_format,
1527        src.code_actions_on_format.clone(),
1528    );
1529    merge(&mut settings.linked_edits, src.linked_edits);
1530    merge(&mut settings.tasks, src.tasks.clone());
1531
1532    merge(
1533        &mut settings.preferred_line_length,
1534        src.preferred_line_length,
1535    );
1536    merge(&mut settings.formatter, src.formatter.clone());
1537    merge(&mut settings.prettier, src.prettier.clone());
1538    merge(
1539        &mut settings.jsx_tag_auto_close,
1540        src.jsx_tag_auto_close.clone(),
1541    );
1542    merge(&mut settings.format_on_save, src.format_on_save.clone());
1543    merge(
1544        &mut settings.remove_trailing_whitespace_on_save,
1545        src.remove_trailing_whitespace_on_save,
1546    );
1547    merge(
1548        &mut settings.ensure_final_newline_on_save,
1549        src.ensure_final_newline_on_save,
1550    );
1551    merge(
1552        &mut settings.enable_language_server,
1553        src.enable_language_server,
1554    );
1555    merge(&mut settings.language_servers, src.language_servers.clone());
1556    merge(&mut settings.allow_rewrap, src.allow_rewrap);
1557    merge(
1558        &mut settings.show_edit_predictions,
1559        src.show_edit_predictions,
1560    );
1561    merge(
1562        &mut settings.edit_predictions_disabled_in,
1563        src.edit_predictions_disabled_in.clone(),
1564    );
1565    merge(&mut settings.show_whitespaces, src.show_whitespaces);
1566    merge(
1567        &mut settings.extend_comment_on_newline,
1568        src.extend_comment_on_newline,
1569    );
1570    merge(&mut settings.inlay_hints, src.inlay_hints);
1571    merge(
1572        &mut settings.show_completions_on_input,
1573        src.show_completions_on_input,
1574    );
1575    merge(
1576        &mut settings.show_completion_documentation,
1577        src.show_completion_documentation,
1578    );
1579    merge(&mut settings.completions, src.completions);
1580}
1581
1582/// Allows to enable/disable formatting with Prettier
1583/// and configure default Prettier, used when no project-level Prettier installation is found.
1584/// Prettier formatting is disabled by default.
1585#[derive(Default, Debug, Clone, PartialEq, Eq, Serialize, Deserialize, JsonSchema)]
1586pub struct PrettierSettings {
1587    /// Enables or disables formatting with Prettier for a given language.
1588    #[serde(default)]
1589    pub allowed: bool,
1590
1591    /// Forces Prettier integration to use a specific parser name when formatting files with the language.
1592    #[serde(default)]
1593    pub parser: Option<String>,
1594
1595    /// Forces Prettier integration to use specific plugins when formatting files with the language.
1596    /// The default Prettier will be installed with these plugins.
1597    #[serde(default)]
1598    pub plugins: HashSet<String>,
1599
1600    /// Default Prettier options, in the format as in package.json section for Prettier.
1601    /// If project installs Prettier via its package.json, these options will be ignored.
1602    #[serde(flatten)]
1603    pub options: HashMap<String, serde_json::Value>,
1604}
1605
1606#[derive(Default, Debug, Clone, PartialEq, Eq, Serialize, Deserialize, JsonSchema)]
1607pub struct JsxTagAutoCloseSettings {
1608    /// Enables or disables auto-closing of JSX tags.
1609    #[serde(default)]
1610    pub enabled: bool,
1611}
1612
1613#[cfg(test)]
1614mod tests {
1615    use gpui::TestAppContext;
1616
1617    use super::*;
1618
1619    #[test]
1620    fn test_formatter_deserialization() {
1621        let raw_auto = "{\"formatter\": \"auto\"}";
1622        let settings: LanguageSettingsContent = serde_json::from_str(raw_auto).unwrap();
1623        assert_eq!(settings.formatter, Some(SelectedFormatter::Auto));
1624        let raw = "{\"formatter\": \"language_server\"}";
1625        let settings: LanguageSettingsContent = serde_json::from_str(raw).unwrap();
1626        assert_eq!(
1627            settings.formatter,
1628            Some(SelectedFormatter::List(FormatterList(
1629                Formatter::LanguageServer { name: None }.into()
1630            )))
1631        );
1632        let raw = "{\"formatter\": [{\"language_server\": {\"name\": null}}]}";
1633        let settings: LanguageSettingsContent = serde_json::from_str(raw).unwrap();
1634        assert_eq!(
1635            settings.formatter,
1636            Some(SelectedFormatter::List(FormatterList(
1637                vec![Formatter::LanguageServer { name: None }].into()
1638            )))
1639        );
1640        let raw = "{\"formatter\": [{\"language_server\": {\"name\": null}}, \"prettier\"]}";
1641        let settings: LanguageSettingsContent = serde_json::from_str(raw).unwrap();
1642        assert_eq!(
1643            settings.formatter,
1644            Some(SelectedFormatter::List(FormatterList(
1645                vec![
1646                    Formatter::LanguageServer { name: None },
1647                    Formatter::Prettier
1648                ]
1649                .into()
1650            )))
1651        );
1652    }
1653
1654    #[test]
1655    fn test_formatter_deserialization_invalid() {
1656        let raw_auto = "{\"formatter\": {}}";
1657        let result: Result<LanguageSettingsContent, _> = serde_json::from_str(raw_auto);
1658        assert!(result.is_err());
1659    }
1660
1661    #[gpui::test]
1662    fn test_edit_predictions_enabled_for_file(cx: &mut TestAppContext) {
1663        use crate::TestFile;
1664        use std::path::PathBuf;
1665
1666        let cx = cx.app.borrow_mut();
1667
1668        let build_settings = |globs: &[&str]| -> EditPredictionSettings {
1669            EditPredictionSettings {
1670                disabled_globs: globs
1671                    .iter()
1672                    .map(|glob_str| {
1673                        #[cfg(windows)]
1674                        let glob_str = {
1675                            let mut g = String::new();
1676
1677                            if glob_str.starts_with('/') {
1678                                g.push_str("C:");
1679                            }
1680
1681                            g.push_str(&glob_str.replace('/', "\\"));
1682                            g
1683                        };
1684                        #[cfg(windows)]
1685                        let glob_str = glob_str.as_str();
1686
1687                        DisabledGlob {
1688                            matcher: globset::Glob::new(glob_str).unwrap().compile_matcher(),
1689                            is_absolute: Path::new(glob_str).is_absolute(),
1690                        }
1691                    })
1692                    .collect(),
1693                ..Default::default()
1694            }
1695        };
1696
1697        const WORKTREE_NAME: &str = "project";
1698        let make_test_file = |segments: &[&str]| -> Arc<dyn File> {
1699            let mut path_buf = PathBuf::new();
1700            path_buf.extend(segments);
1701
1702            Arc::new(TestFile {
1703                path: path_buf.as_path().into(),
1704                root_name: WORKTREE_NAME.to_string(),
1705                local_root: Some(PathBuf::from(if cfg!(windows) {
1706                    "C:\\absolute\\"
1707                } else {
1708                    "/absolute/"
1709                })),
1710            })
1711        };
1712
1713        let test_file = make_test_file(&["src", "test", "file.rs"]);
1714
1715        // Test relative globs
1716        let settings = build_settings(&["*.rs"]);
1717        assert!(!settings.enabled_for_file(&test_file, &cx));
1718        let settings = build_settings(&["*.txt"]);
1719        assert!(settings.enabled_for_file(&test_file, &cx));
1720
1721        // Test absolute globs
1722        let settings = build_settings(&["/absolute/**/*.rs"]);
1723        assert!(!settings.enabled_for_file(&test_file, &cx));
1724        let settings = build_settings(&["/other/**/*.rs"]);
1725        assert!(settings.enabled_for_file(&test_file, &cx));
1726
1727        // Test exact path match relative
1728        let settings = build_settings(&["src/test/file.rs"]);
1729        assert!(!settings.enabled_for_file(&test_file, &cx));
1730        let settings = build_settings(&["src/test/otherfile.rs"]);
1731        assert!(settings.enabled_for_file(&test_file, &cx));
1732
1733        // Test exact path match absolute
1734        let settings = build_settings(&[&format!("/absolute/{}/src/test/file.rs", WORKTREE_NAME)]);
1735        assert!(!settings.enabled_for_file(&test_file, &cx));
1736        let settings = build_settings(&["/other/test/otherfile.rs"]);
1737        assert!(settings.enabled_for_file(&test_file, &cx));
1738
1739        // Test * glob
1740        let settings = build_settings(&["*"]);
1741        assert!(!settings.enabled_for_file(&test_file, &cx));
1742        let settings = build_settings(&["*.txt"]);
1743        assert!(settings.enabled_for_file(&test_file, &cx));
1744
1745        // Test **/* glob
1746        let settings = build_settings(&["**/*"]);
1747        assert!(!settings.enabled_for_file(&test_file, &cx));
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(&["src/**"]);
1753        assert!(!settings.enabled_for_file(&test_file, &cx));
1754
1755        let test_file_root: Arc<dyn File> = Arc::new(TestFile {
1756            path: PathBuf::from("file.rs").as_path().into(),
1757            root_name: WORKTREE_NAME.to_string(),
1758            local_root: Some(PathBuf::from("/absolute/")),
1759        });
1760        assert!(settings.enabled_for_file(&test_file_root, &cx));
1761
1762        let settings = build_settings(&["other/**"]);
1763        assert!(settings.enabled_for_file(&test_file, &cx));
1764
1765        // Test **/directory/* glob
1766        let settings = build_settings(&["**/test/*"]);
1767        assert!(!settings.enabled_for_file(&test_file, &cx));
1768        let settings = build_settings(&["**/other/*"]);
1769        assert!(settings.enabled_for_file(&test_file, &cx));
1770
1771        // Test multiple globs
1772        let settings = build_settings(&["*.rs", "*.txt", "src/**"]);
1773        assert!(!settings.enabled_for_file(&test_file, &cx));
1774        let settings = build_settings(&["*.txt", "*.md", "other/**"]);
1775        assert!(settings.enabled_for_file(&test_file, &cx));
1776
1777        // Test dot files
1778        let dot_file = make_test_file(&[".config", "settings.json"]);
1779        let settings = build_settings(&[".*/**"]);
1780        assert!(!settings.enabled_for_file(&dot_file, &cx));
1781
1782        let dot_env_file = make_test_file(&[".env"]);
1783        let settings = build_settings(&[".env"]);
1784        assert!(!settings.enabled_for_file(&dot_env_file, &cx));
1785    }
1786
1787    #[test]
1788    pub fn test_resolve_language_servers() {
1789        fn language_server_names(names: &[&str]) -> Vec<LanguageServerName> {
1790            names
1791                .iter()
1792                .copied()
1793                .map(|name| LanguageServerName(name.to_string().into()))
1794                .collect::<Vec<_>>()
1795        }
1796
1797        let available_language_servers = language_server_names(&[
1798            "typescript-language-server",
1799            "biome",
1800            "deno",
1801            "eslint",
1802            "tailwind",
1803        ]);
1804
1805        // A value of just `["..."]` is the same as taking all of the available language servers.
1806        assert_eq!(
1807            LanguageSettings::resolve_language_servers(
1808                &[LanguageSettings::REST_OF_LANGUAGE_SERVERS.into()],
1809                &available_language_servers,
1810            ),
1811            available_language_servers
1812        );
1813
1814        // Referencing one of the available language servers will change its order.
1815        assert_eq!(
1816            LanguageSettings::resolve_language_servers(
1817                &[
1818                    "biome".into(),
1819                    LanguageSettings::REST_OF_LANGUAGE_SERVERS.into(),
1820                    "deno".into()
1821                ],
1822                &available_language_servers
1823            ),
1824            language_server_names(&[
1825                "biome",
1826                "typescript-language-server",
1827                "eslint",
1828                "tailwind",
1829                "deno",
1830            ])
1831        );
1832
1833        // Negating an available language server removes it from the list.
1834        assert_eq!(
1835            LanguageSettings::resolve_language_servers(
1836                &[
1837                    "deno".into(),
1838                    "!typescript-language-server".into(),
1839                    "!biome".into(),
1840                    LanguageSettings::REST_OF_LANGUAGE_SERVERS.into()
1841                ],
1842                &available_language_servers
1843            ),
1844            language_server_names(&["deno", "eslint", "tailwind"])
1845        );
1846
1847        // Adding a language server not in the list of available language servers adds it to the list.
1848        assert_eq!(
1849            LanguageSettings::resolve_language_servers(
1850                &[
1851                    "my-cool-language-server".into(),
1852                    LanguageSettings::REST_OF_LANGUAGE_SERVERS.into()
1853                ],
1854                &available_language_servers
1855            ),
1856            language_server_names(&[
1857                "my-cool-language-server",
1858                "typescript-language-server",
1859                "biome",
1860                "deno",
1861                "eslint",
1862                "tailwind",
1863            ])
1864        );
1865    }
1866}