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)]
 413#[schemars(deny_unknown_fields)]
 414pub struct LanguageSettingsContent {
 415    /// How many columns a tab should occupy.
 416    ///
 417    /// Default: 4
 418    #[serde(default)]
 419    pub tab_size: Option<NonZeroU32>,
 420    /// Whether to indent lines using tab characters, as opposed to multiple
 421    /// spaces.
 422    ///
 423    /// Default: false
 424    #[serde(default)]
 425    pub hard_tabs: Option<bool>,
 426    /// How to soft-wrap long lines of text.
 427    ///
 428    /// Default: none
 429    #[serde(default)]
 430    pub soft_wrap: Option<SoftWrap>,
 431    /// The column at which to soft-wrap lines, for buffers where soft-wrap
 432    /// is enabled.
 433    ///
 434    /// Default: 80
 435    #[serde(default)]
 436    pub preferred_line_length: Option<u32>,
 437    /// Whether to show wrap guides in the editor. Setting this to true will
 438    /// show a guide at the 'preferred_line_length' value if softwrap is set to
 439    /// 'preferred_line_length', and will show any additional guides as specified
 440    /// by the 'wrap_guides' setting.
 441    ///
 442    /// Default: true
 443    #[serde(default)]
 444    pub show_wrap_guides: Option<bool>,
 445    /// Character counts at which to show wrap guides in the editor.
 446    ///
 447    /// Default: []
 448    #[serde(default)]
 449    pub wrap_guides: Option<Vec<usize>>,
 450    /// Indent guide related settings.
 451    #[serde(default)]
 452    pub indent_guides: Option<IndentGuideSettings>,
 453    /// Whether or not to perform a buffer format before saving.
 454    ///
 455    /// Default: on
 456    #[serde(default)]
 457    pub format_on_save: Option<FormatOnSave>,
 458    /// Whether or not to remove any trailing whitespace from lines of a buffer
 459    /// before saving it.
 460    ///
 461    /// Default: true
 462    #[serde(default)]
 463    pub remove_trailing_whitespace_on_save: Option<bool>,
 464    /// Whether or not to ensure there's a single newline at the end of a buffer
 465    /// when saving it.
 466    ///
 467    /// Default: true
 468    #[serde(default)]
 469    pub ensure_final_newline_on_save: Option<bool>,
 470    /// How to perform a buffer format.
 471    ///
 472    /// Default: auto
 473    #[serde(default)]
 474    pub formatter: Option<SelectedFormatter>,
 475    /// Zed's Prettier integration settings.
 476    /// Allows to enable/disable formatting with Prettier
 477    /// and configure default Prettier, used when no project-level Prettier installation is found.
 478    ///
 479    /// Default: off
 480    #[serde(default)]
 481    pub prettier: Option<PrettierSettings>,
 482    /// Whether to automatically close JSX tags.
 483    #[serde(default)]
 484    pub jsx_tag_auto_close: Option<JsxTagAutoCloseSettings>,
 485    /// Whether to use language servers to provide code intelligence.
 486    ///
 487    /// Default: true
 488    #[serde(default)]
 489    pub enable_language_server: Option<bool>,
 490    /// The list of language servers to use (or disable) for this language.
 491    ///
 492    /// This array should consist of language server IDs, as well as the following
 493    /// special tokens:
 494    /// - `"!<language_server_id>"` - A language server ID prefixed with a `!` will be disabled.
 495    /// - `"..."` - A placeholder to refer to the **rest** of the registered language servers for this language.
 496    ///
 497    /// Default: ["..."]
 498    #[serde(default)]
 499    pub language_servers: Option<Vec<String>>,
 500    /// Controls where the `editor::Rewrap` action is allowed for this language.
 501    ///
 502    /// Note: This setting has no effect in Vim mode, as rewrap is already
 503    /// allowed everywhere.
 504    ///
 505    /// Default: "in_comments"
 506    #[serde(default)]
 507    pub allow_rewrap: Option<RewrapBehavior>,
 508    /// Controls whether edit predictions are shown immediately (true)
 509    /// or manually by triggering `editor::ShowEditPrediction` (false).
 510    ///
 511    /// Default: true
 512    #[serde(default)]
 513    pub show_edit_predictions: Option<bool>,
 514    /// Controls whether edit predictions are shown in the given language
 515    /// scopes.
 516    ///
 517    /// Example: ["string", "comment"]
 518    ///
 519    /// Default: []
 520    #[serde(default)]
 521    pub edit_predictions_disabled_in: Option<Vec<String>>,
 522    /// Whether to show tabs and spaces in the editor.
 523    #[serde(default)]
 524    pub show_whitespaces: Option<ShowWhitespaceSetting>,
 525    /// Whether to start a new line with a comment when a previous line is a comment as well.
 526    ///
 527    /// Default: true
 528    #[serde(default)]
 529    pub extend_comment_on_newline: Option<bool>,
 530    /// Inlay hint related settings.
 531    #[serde(default)]
 532    pub inlay_hints: Option<InlayHintSettings>,
 533    /// Whether to automatically type closing characters for you. For example,
 534    /// when you type (, Zed will automatically add a closing ) at the correct position.
 535    ///
 536    /// Default: true
 537    pub use_autoclose: Option<bool>,
 538    /// Whether to automatically surround text with characters for you. For example,
 539    /// when you select text and type (, Zed will automatically surround text with ().
 540    ///
 541    /// Default: true
 542    pub use_auto_surround: Option<bool>,
 543    /// Controls how the editor handles the autoclosed characters.
 544    /// When set to `false`(default), skipping over and auto-removing of the closing characters
 545    /// happen only for auto-inserted characters.
 546    /// Otherwise(when `true`), the closing characters are always skipped over and auto-removed
 547    /// no matter how they were inserted.
 548    ///
 549    /// Default: false
 550    pub always_treat_brackets_as_autoclosed: Option<bool>,
 551    /// Whether to use additional LSP queries to format (and amend) the code after
 552    /// every "trigger" symbol input, defined by LSP server capabilities.
 553    ///
 554    /// Default: true
 555    pub use_on_type_format: Option<bool>,
 556    /// Which code actions to run on save after the formatter.
 557    /// These are not run if formatting is off.
 558    ///
 559    /// Default: {} (or {"source.organizeImports": true} for Go).
 560    pub code_actions_on_format: Option<HashMap<String, bool>>,
 561    /// Whether to perform linked edits of associated ranges, if the language server supports it.
 562    /// For example, when editing opening <html> tag, the contents of the closing </html> tag will be edited as well.
 563    ///
 564    /// Default: true
 565    pub linked_edits: Option<bool>,
 566    /// Whether indentation of pasted content should be adjusted based on the context.
 567    ///
 568    /// Default: true
 569    pub auto_indent_on_paste: Option<bool>,
 570    /// Task configuration for this language.
 571    ///
 572    /// Default: {}
 573    pub tasks: Option<LanguageTaskConfig>,
 574    /// Whether to pop the completions menu while typing in an editor without
 575    /// explicitly requesting it.
 576    ///
 577    /// Default: true
 578    pub show_completions_on_input: Option<bool>,
 579    /// Whether to display inline and alongside documentation for items in the
 580    /// completions menu.
 581    ///
 582    /// Default: true
 583    pub show_completion_documentation: Option<bool>,
 584    /// Controls how completions are processed for this language.
 585    pub completions: Option<CompletionSettings>,
 586    /// Preferred debuggers for this language.
 587    ///
 588    /// Default: []
 589    pub debuggers: Option<Vec<String>>,
 590}
 591
 592/// The behavior of `editor::Rewrap`.
 593#[derive(Debug, PartialEq, Clone, Copy, Default, Serialize, Deserialize, JsonSchema)]
 594#[serde(rename_all = "snake_case")]
 595pub enum RewrapBehavior {
 596    /// Only rewrap within comments.
 597    #[default]
 598    InComments,
 599    /// Only rewrap within the current selection(s).
 600    InSelections,
 601    /// Allow rewrapping anywhere.
 602    Anywhere,
 603}
 604
 605/// The contents of the edit prediction settings.
 606#[derive(Clone, Debug, Default, Serialize, Deserialize, JsonSchema, PartialEq)]
 607pub struct EditPredictionSettingsContent {
 608    /// A list of globs representing files that edit predictions should be disabled for.
 609    /// This list adds to a pre-existing, sensible default set of globs.
 610    /// Any additional ones you add are combined with them.
 611    #[serde(default)]
 612    pub disabled_globs: Option<Vec<String>>,
 613    /// The mode used to display edit predictions in the buffer.
 614    /// Provider support required.
 615    #[serde(default)]
 616    pub mode: EditPredictionsMode,
 617    /// Settings specific to GitHub Copilot.
 618    #[serde(default)]
 619    pub copilot: CopilotSettingsContent,
 620    /// Whether edit predictions are enabled in the assistant prompt editor.
 621    /// This has no effect if globally disabled.
 622    #[serde(default = "default_true")]
 623    pub enabled_in_text_threads: bool,
 624}
 625
 626#[derive(Clone, Debug, Default, Serialize, Deserialize, JsonSchema, PartialEq)]
 627pub struct CopilotSettingsContent {
 628    /// HTTP/HTTPS proxy to use for Copilot.
 629    ///
 630    /// Default: none
 631    #[serde(default)]
 632    pub proxy: Option<String>,
 633    /// Disable certificate verification for the proxy (not recommended).
 634    ///
 635    /// Default: false
 636    #[serde(default)]
 637    pub proxy_no_verify: Option<bool>,
 638    /// Enterprise URI for Copilot.
 639    ///
 640    /// Default: none
 641    #[serde(default)]
 642    pub enterprise_uri: Option<String>,
 643}
 644
 645/// The settings for enabling/disabling features.
 646#[derive(Debug, Clone, PartialEq, Default, Serialize, Deserialize, JsonSchema)]
 647#[serde(rename_all = "snake_case")]
 648pub struct FeaturesContent {
 649    /// Determines which edit prediction provider to use.
 650    pub edit_prediction_provider: Option<EditPredictionProvider>,
 651}
 652
 653/// Controls the soft-wrapping behavior in the editor.
 654#[derive(Copy, Clone, Debug, Serialize, Deserialize, PartialEq, Eq, JsonSchema)]
 655#[serde(rename_all = "snake_case")]
 656pub enum SoftWrap {
 657    /// Prefer a single line generally, unless an overly long line is encountered.
 658    None,
 659    /// Deprecated: use None instead. Left to avoid breaking existing users' configs.
 660    /// Prefer a single line generally, unless an overly long line is encountered.
 661    PreferLine,
 662    /// Soft wrap lines that exceed the editor width.
 663    EditorWidth,
 664    /// Soft wrap lines at the preferred line length.
 665    PreferredLineLength,
 666    /// Soft wrap line at the preferred line length or the editor width (whichever is smaller).
 667    Bounded,
 668}
 669
 670/// Controls the behavior of formatting files when they are saved.
 671#[derive(Debug, Clone, PartialEq, Eq)]
 672pub enum FormatOnSave {
 673    /// Files should be formatted on save.
 674    On,
 675    /// Files should not be formatted on save.
 676    Off,
 677    List(Vec<Formatter>),
 678}
 679
 680impl JsonSchema for FormatOnSave {
 681    fn schema_name() -> Cow<'static, str> {
 682        "OnSaveFormatter".into()
 683    }
 684
 685    fn json_schema(generator: &mut schemars::SchemaGenerator) -> schemars::Schema {
 686        let formatter_schema = Formatter::json_schema(generator);
 687
 688        json_schema!({
 689            "oneOf": [
 690                {
 691                    "type": "array",
 692                    "items": formatter_schema
 693                },
 694                {
 695                    "type": "string",
 696                    "enum": ["on", "off", "prettier", "language_server"]
 697                },
 698                formatter_schema
 699            ]
 700        })
 701    }
 702}
 703
 704impl Serialize for FormatOnSave {
 705    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
 706    where
 707        S: serde::Serializer,
 708    {
 709        match self {
 710            Self::On => serializer.serialize_str("on"),
 711            Self::Off => serializer.serialize_str("off"),
 712            Self::List(list) => list.serialize(serializer),
 713        }
 714    }
 715}
 716
 717impl<'de> Deserialize<'de> for FormatOnSave {
 718    fn deserialize<D>(deserializer: D) -> std::result::Result<Self, D::Error>
 719    where
 720        D: Deserializer<'de>,
 721    {
 722        struct FormatDeserializer;
 723
 724        impl<'d> Visitor<'d> for FormatDeserializer {
 725            type Value = FormatOnSave;
 726
 727            fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
 728                formatter.write_str("a valid on-save formatter kind")
 729            }
 730            fn visit_str<E>(self, v: &str) -> std::result::Result<Self::Value, E>
 731            where
 732                E: serde::de::Error,
 733            {
 734                if v == "on" {
 735                    Ok(Self::Value::On)
 736                } else if v == "off" {
 737                    Ok(Self::Value::Off)
 738                } else if v == "language_server" {
 739                    Ok(Self::Value::List(vec![Formatter::LanguageServer {
 740                        name: None,
 741                    }]))
 742                } else {
 743                    let ret: Result<Vec<Formatter>, _> =
 744                        Deserialize::deserialize(v.into_deserializer());
 745                    ret.map(Self::Value::List)
 746                }
 747            }
 748            fn visit_map<A>(self, map: A) -> Result<Self::Value, A::Error>
 749            where
 750                A: MapAccess<'d>,
 751            {
 752                let ret: Result<Vec<Formatter>, _> =
 753                    Deserialize::deserialize(de::value::MapAccessDeserializer::new(map));
 754                ret.map(Self::Value::List)
 755            }
 756            fn visit_seq<A>(self, map: A) -> Result<Self::Value, A::Error>
 757            where
 758                A: SeqAccess<'d>,
 759            {
 760                let ret: Result<Vec<Formatter>, _> =
 761                    Deserialize::deserialize(de::value::SeqAccessDeserializer::new(map));
 762                ret.map(Self::Value::List)
 763            }
 764        }
 765        deserializer.deserialize_any(FormatDeserializer)
 766    }
 767}
 768
 769/// Controls how whitespace should be displayedin the editor.
 770#[derive(Copy, Clone, Debug, Serialize, Deserialize, PartialEq, Eq, JsonSchema)]
 771#[serde(rename_all = "snake_case")]
 772pub enum ShowWhitespaceSetting {
 773    /// Draw whitespace only for the selected text.
 774    Selection,
 775    /// Do not draw any tabs or spaces.
 776    None,
 777    /// Draw all invisible symbols.
 778    All,
 779    /// Draw whitespaces at boundaries only.
 780    ///
 781    /// For a whitespace to be on a boundary, any of the following conditions need to be met:
 782    /// - It is a tab
 783    /// - It is adjacent to an edge (start or end)
 784    /// - It is adjacent to a whitespace (left or right)
 785    Boundary,
 786    /// Draw whitespaces only after non-whitespace characters.
 787    Trailing,
 788}
 789
 790/// Controls which formatter should be used when formatting code.
 791#[derive(Clone, Debug, Default, PartialEq, Eq)]
 792pub enum SelectedFormatter {
 793    /// Format files using Zed's Prettier integration (if applicable),
 794    /// or falling back to formatting via language server.
 795    #[default]
 796    Auto,
 797    List(Vec<Formatter>),
 798}
 799
 800impl JsonSchema for SelectedFormatter {
 801    fn schema_name() -> Cow<'static, str> {
 802        "Formatter".into()
 803    }
 804
 805    fn json_schema(generator: &mut schemars::SchemaGenerator) -> schemars::Schema {
 806        let formatter_schema = Formatter::json_schema(generator);
 807
 808        json_schema!({
 809            "oneOf": [
 810                {
 811                    "type": "array",
 812                    "items": formatter_schema
 813                },
 814                {
 815                    "type": "string",
 816                    "enum": ["auto", "prettier", "language_server"]
 817                },
 818                formatter_schema
 819            ]
 820        })
 821    }
 822}
 823
 824impl Serialize for SelectedFormatter {
 825    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
 826    where
 827        S: serde::Serializer,
 828    {
 829        match self {
 830            SelectedFormatter::Auto => serializer.serialize_str("auto"),
 831            SelectedFormatter::List(list) => list.serialize(serializer),
 832        }
 833    }
 834}
 835
 836impl<'de> Deserialize<'de> for SelectedFormatter {
 837    fn deserialize<D>(deserializer: D) -> std::result::Result<Self, D::Error>
 838    where
 839        D: Deserializer<'de>,
 840    {
 841        struct FormatDeserializer;
 842
 843        impl<'d> Visitor<'d> for FormatDeserializer {
 844            type Value = SelectedFormatter;
 845
 846            fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
 847                formatter.write_str("a valid formatter kind")
 848            }
 849            fn visit_str<E>(self, v: &str) -> std::result::Result<Self::Value, E>
 850            where
 851                E: serde::de::Error,
 852            {
 853                if v == "auto" {
 854                    Ok(Self::Value::Auto)
 855                } else if v == "language_server" {
 856                    Ok(Self::Value::List(vec![Formatter::LanguageServer {
 857                        name: None,
 858                    }]))
 859                } else {
 860                    let ret: Result<Vec<Formatter>, _> =
 861                        Deserialize::deserialize(v.into_deserializer());
 862                    ret.map(SelectedFormatter::List)
 863                }
 864            }
 865            fn visit_map<A>(self, map: A) -> Result<Self::Value, A::Error>
 866            where
 867                A: MapAccess<'d>,
 868            {
 869                let ret: Result<Vec<Formatter>, _> =
 870                    Deserialize::deserialize(de::value::MapAccessDeserializer::new(map));
 871                ret.map(SelectedFormatter::List)
 872            }
 873            fn visit_seq<A>(self, map: A) -> Result<Self::Value, A::Error>
 874            where
 875                A: SeqAccess<'d>,
 876            {
 877                let ret: Result<Vec<Formatter>, _> =
 878                    Deserialize::deserialize(de::value::SeqAccessDeserializer::new(map));
 879                ret.map(SelectedFormatter::List)
 880            }
 881        }
 882        deserializer.deserialize_any(FormatDeserializer)
 883    }
 884}
 885
 886/// Controls which formatter should be used when formatting code. If there are multiple formatters, they are executed in the order of declaration.
 887#[derive(Clone, Debug, Serialize, Deserialize, PartialEq, Eq, JsonSchema)]
 888#[serde(rename_all = "snake_case")]
 889pub enum Formatter {
 890    /// Format code using the current language server.
 891    LanguageServer { name: Option<String> },
 892    /// Format code using Zed's Prettier integration.
 893    Prettier,
 894    /// Format code using an external command.
 895    External {
 896        /// The external program to run.
 897        command: Arc<str>,
 898        /// The arguments to pass to the program.
 899        arguments: Option<Arc<[String]>>,
 900    },
 901    /// Files should be formatted using code actions executed by language servers.
 902    CodeActions(HashMap<String, bool>),
 903}
 904
 905/// The settings for indent guides.
 906#[derive(Default, Debug, Copy, Clone, PartialEq, Eq, Serialize, Deserialize, JsonSchema)]
 907pub struct IndentGuideSettings {
 908    /// Whether to display indent guides in the editor.
 909    ///
 910    /// Default: true
 911    #[serde(default = "default_true")]
 912    pub enabled: bool,
 913    /// The width of the indent guides in pixels, between 1 and 10.
 914    ///
 915    /// Default: 1
 916    #[serde(default = "line_width")]
 917    pub line_width: u32,
 918    /// The width of the active indent guide in pixels, between 1 and 10.
 919    ///
 920    /// Default: 1
 921    #[serde(default = "active_line_width")]
 922    pub active_line_width: u32,
 923    /// Determines how indent guides are colored.
 924    ///
 925    /// Default: Fixed
 926    #[serde(default)]
 927    pub coloring: IndentGuideColoring,
 928    /// Determines how indent guide backgrounds are colored.
 929    ///
 930    /// Default: Disabled
 931    #[serde(default)]
 932    pub background_coloring: IndentGuideBackgroundColoring,
 933}
 934
 935fn line_width() -> u32 {
 936    1
 937}
 938
 939fn active_line_width() -> u32 {
 940    line_width()
 941}
 942
 943/// Determines how indent guides are colored.
 944#[derive(Default, Debug, Copy, Clone, PartialEq, Eq, Serialize, Deserialize, JsonSchema)]
 945#[serde(rename_all = "snake_case")]
 946pub enum IndentGuideColoring {
 947    /// Do not render any lines for indent guides.
 948    Disabled,
 949    /// Use the same color for all indentation levels.
 950    #[default]
 951    Fixed,
 952    /// Use a different color for each indentation level.
 953    IndentAware,
 954}
 955
 956/// Determines how indent guide backgrounds are colored.
 957#[derive(Default, Debug, Copy, Clone, PartialEq, Eq, Serialize, Deserialize, JsonSchema)]
 958#[serde(rename_all = "snake_case")]
 959pub enum IndentGuideBackgroundColoring {
 960    /// Do not render any background for indent guides.
 961    #[default]
 962    Disabled,
 963    /// Use a different color for each indentation level.
 964    IndentAware,
 965}
 966
 967/// The settings for inlay hints.
 968#[derive(Copy, Clone, Debug, Serialize, Deserialize, JsonSchema, PartialEq, Eq)]
 969pub struct InlayHintSettings {
 970    /// Global switch to toggle hints on and off.
 971    ///
 972    /// Default: false
 973    #[serde(default)]
 974    pub enabled: bool,
 975    /// Global switch to toggle inline values on and off.
 976    ///
 977    /// Default: true
 978    #[serde(default = "default_true")]
 979    pub show_value_hints: bool,
 980    /// Whether type hints should be shown.
 981    ///
 982    /// Default: true
 983    #[serde(default = "default_true")]
 984    pub show_type_hints: bool,
 985    /// Whether parameter hints should be shown.
 986    ///
 987    /// Default: true
 988    #[serde(default = "default_true")]
 989    pub show_parameter_hints: bool,
 990    /// Whether other hints should be shown.
 991    ///
 992    /// Default: true
 993    #[serde(default = "default_true")]
 994    pub show_other_hints: bool,
 995    /// Whether to show a background for inlay hints.
 996    ///
 997    /// If set to `true`, the background will use the `hint.background` color
 998    /// from the current theme.
 999    ///
1000    /// Default: false
1001    #[serde(default)]
1002    pub show_background: bool,
1003    /// Whether or not to debounce inlay hints updates after buffer edits.
1004    ///
1005    /// Set to 0 to disable debouncing.
1006    ///
1007    /// Default: 700
1008    #[serde(default = "edit_debounce_ms")]
1009    pub edit_debounce_ms: u64,
1010    /// Whether or not to debounce inlay hints updates after buffer scrolls.
1011    ///
1012    /// Set to 0 to disable debouncing.
1013    ///
1014    /// Default: 50
1015    #[serde(default = "scroll_debounce_ms")]
1016    pub scroll_debounce_ms: u64,
1017    /// Toggles inlay hints (hides or shows) when the user presses the modifiers specified.
1018    /// If only a subset of the modifiers specified is pressed, hints are not toggled.
1019    /// If no modifiers are specified, this is equivalent to `None`.
1020    ///
1021    /// Default: None
1022    #[serde(default)]
1023    pub toggle_on_modifiers_press: Option<Modifiers>,
1024}
1025
1026fn edit_debounce_ms() -> u64 {
1027    700
1028}
1029
1030fn scroll_debounce_ms() -> u64 {
1031    50
1032}
1033
1034/// The task settings for a particular language.
1035#[derive(Debug, Clone, Deserialize, PartialEq, Serialize, JsonSchema)]
1036pub struct LanguageTaskConfig {
1037    /// Extra task variables to set for a particular language.
1038    #[serde(default)]
1039    pub variables: HashMap<String, String>,
1040    #[serde(default = "default_true")]
1041    pub enabled: bool,
1042    /// Use LSP tasks over Zed language extension ones.
1043    /// If no LSP tasks are returned due to error/timeout or regular execution,
1044    /// Zed language extension tasks will be used instead.
1045    ///
1046    /// Other Zed tasks will still be shown:
1047    /// * Zed task from either of the task config file
1048    /// * Zed task from history (e.g. one-off task was spawned before)
1049    #[serde(default = "default_true")]
1050    pub prefer_lsp: bool,
1051}
1052
1053impl InlayHintSettings {
1054    /// Returns the kinds of inlay hints that are enabled based on the settings.
1055    pub fn enabled_inlay_hint_kinds(&self) -> HashSet<Option<InlayHintKind>> {
1056        let mut kinds = HashSet::default();
1057        if self.show_type_hints {
1058            kinds.insert(Some(InlayHintKind::Type));
1059        }
1060        if self.show_parameter_hints {
1061            kinds.insert(Some(InlayHintKind::Parameter));
1062        }
1063        if self.show_other_hints {
1064            kinds.insert(None);
1065        }
1066        kinds
1067    }
1068}
1069
1070impl AllLanguageSettings {
1071    /// Returns the [`LanguageSettings`] for the language with the specified name.
1072    pub fn language<'a>(
1073        &'a self,
1074        location: Option<SettingsLocation<'a>>,
1075        language_name: Option<&LanguageName>,
1076        cx: &'a App,
1077    ) -> Cow<'a, LanguageSettings> {
1078        let settings = language_name
1079            .and_then(|name| self.languages.get(name))
1080            .unwrap_or(&self.defaults);
1081
1082        let editorconfig_properties = location.and_then(|location| {
1083            cx.global::<SettingsStore>()
1084                .editorconfig_properties(location.worktree_id, location.path)
1085        });
1086        if let Some(editorconfig_properties) = editorconfig_properties {
1087            let mut settings = settings.clone();
1088            merge_with_editorconfig(&mut settings, &editorconfig_properties);
1089            Cow::Owned(settings)
1090        } else {
1091            Cow::Borrowed(settings)
1092        }
1093    }
1094
1095    /// Returns whether edit predictions are enabled for the given path.
1096    pub fn edit_predictions_enabled_for_file(&self, file: &Arc<dyn File>, cx: &App) -> bool {
1097        self.edit_predictions.enabled_for_file(file, cx)
1098    }
1099
1100    /// Returns whether edit predictions are enabled for the given language and path.
1101    pub fn show_edit_predictions(&self, language: Option<&Arc<Language>>, cx: &App) -> bool {
1102        self.language(None, language.map(|l| l.name()).as_ref(), cx)
1103            .show_edit_predictions
1104    }
1105
1106    /// Returns the edit predictions preview mode for the given language and path.
1107    pub fn edit_predictions_mode(&self) -> EditPredictionsMode {
1108        self.edit_predictions.mode
1109    }
1110}
1111
1112fn merge_with_editorconfig(settings: &mut LanguageSettings, cfg: &EditorconfigProperties) {
1113    let tab_size = cfg.get::<IndentSize>().ok().and_then(|v| match v {
1114        IndentSize::Value(u) => NonZeroU32::new(u as u32),
1115        IndentSize::UseTabWidth => cfg.get::<TabWidth>().ok().and_then(|w| match w {
1116            TabWidth::Value(u) => NonZeroU32::new(u as u32),
1117        }),
1118    });
1119    let hard_tabs = cfg
1120        .get::<IndentStyle>()
1121        .map(|v| v.eq(&IndentStyle::Tabs))
1122        .ok();
1123    let ensure_final_newline_on_save = cfg
1124        .get::<FinalNewline>()
1125        .map(|v| match v {
1126            FinalNewline::Value(b) => b,
1127        })
1128        .ok();
1129    let remove_trailing_whitespace_on_save = cfg
1130        .get::<TrimTrailingWs>()
1131        .map(|v| match v {
1132            TrimTrailingWs::Value(b) => b,
1133        })
1134        .ok();
1135    fn merge<T>(target: &mut T, value: Option<T>) {
1136        if let Some(value) = value {
1137            *target = value;
1138        }
1139    }
1140    merge(&mut settings.tab_size, tab_size);
1141    merge(&mut settings.hard_tabs, hard_tabs);
1142    merge(
1143        &mut settings.remove_trailing_whitespace_on_save,
1144        remove_trailing_whitespace_on_save,
1145    );
1146    merge(
1147        &mut settings.ensure_final_newline_on_save,
1148        ensure_final_newline_on_save,
1149    );
1150}
1151
1152/// The kind of an inlay hint.
1153#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
1154pub enum InlayHintKind {
1155    /// An inlay hint for a type.
1156    Type,
1157    /// An inlay hint for a parameter.
1158    Parameter,
1159}
1160
1161impl InlayHintKind {
1162    /// Returns the [`InlayHintKind`] from the given name.
1163    ///
1164    /// Returns `None` if `name` does not match any of the expected
1165    /// string representations.
1166    pub fn from_name(name: &str) -> Option<Self> {
1167        match name {
1168            "type" => Some(InlayHintKind::Type),
1169            "parameter" => Some(InlayHintKind::Parameter),
1170            _ => None,
1171        }
1172    }
1173
1174    /// Returns the name of this [`InlayHintKind`].
1175    pub fn name(&self) -> &'static str {
1176        match self {
1177            InlayHintKind::Type => "type",
1178            InlayHintKind::Parameter => "parameter",
1179        }
1180    }
1181}
1182
1183impl settings::Settings for AllLanguageSettings {
1184    const KEY: Option<&'static str> = None;
1185
1186    type FileContent = AllLanguageSettingsContent;
1187
1188    fn load(sources: SettingsSources<Self::FileContent>, _: &mut App) -> Result<Self> {
1189        let default_value = sources.default;
1190
1191        // A default is provided for all settings.
1192        let mut defaults: LanguageSettings =
1193            serde_json::from_value(serde_json::to_value(&default_value.defaults)?)?;
1194
1195        let mut languages = HashMap::default();
1196        for (language_name, settings) in &default_value.languages.0 {
1197            let mut language_settings = defaults.clone();
1198            merge_settings(&mut language_settings, settings);
1199            languages.insert(language_name.clone(), language_settings);
1200        }
1201
1202        let mut edit_prediction_provider = default_value
1203            .features
1204            .as_ref()
1205            .and_then(|f| f.edit_prediction_provider);
1206        let mut edit_predictions_mode = default_value
1207            .edit_predictions
1208            .as_ref()
1209            .map(|edit_predictions| edit_predictions.mode)
1210            .ok_or_else(Self::missing_default)?;
1211
1212        let mut completion_globs: HashSet<&String> = default_value
1213            .edit_predictions
1214            .as_ref()
1215            .and_then(|c| c.disabled_globs.as_ref())
1216            .map(|globs| globs.iter().collect())
1217            .ok_or_else(Self::missing_default)?;
1218
1219        let mut copilot_settings = default_value
1220            .edit_predictions
1221            .as_ref()
1222            .map(|settings| CopilotSettings {
1223                proxy: settings.copilot.proxy.clone(),
1224                proxy_no_verify: settings.copilot.proxy_no_verify,
1225                enterprise_uri: settings.copilot.enterprise_uri.clone(),
1226            })
1227            .unwrap_or_default();
1228
1229        let mut enabled_in_text_threads = default_value
1230            .edit_predictions
1231            .as_ref()
1232            .map(|settings| settings.enabled_in_text_threads)
1233            .unwrap_or(true);
1234
1235        let mut file_types: FxHashMap<Arc<str>, GlobSet> = FxHashMap::default();
1236
1237        for (language, patterns) in &default_value.file_types {
1238            let mut builder = GlobSetBuilder::new();
1239
1240            for pattern in patterns {
1241                builder.add(Glob::new(pattern)?);
1242            }
1243
1244            file_types.insert(language.clone(), builder.build()?);
1245        }
1246
1247        for user_settings in sources.customizations() {
1248            if let Some(provider) = user_settings
1249                .features
1250                .as_ref()
1251                .and_then(|f| f.edit_prediction_provider)
1252            {
1253                edit_prediction_provider = Some(provider);
1254            }
1255
1256            if let Some(edit_predictions) = user_settings.edit_predictions.as_ref() {
1257                edit_predictions_mode = edit_predictions.mode;
1258                enabled_in_text_threads = edit_predictions.enabled_in_text_threads;
1259
1260                if let Some(disabled_globs) = edit_predictions.disabled_globs.as_ref() {
1261                    completion_globs.extend(disabled_globs.iter());
1262                }
1263            }
1264
1265            if let Some(proxy) = user_settings
1266                .edit_predictions
1267                .as_ref()
1268                .and_then(|settings| settings.copilot.proxy.clone())
1269            {
1270                copilot_settings.proxy = Some(proxy);
1271            }
1272
1273            if let Some(proxy_no_verify) = user_settings
1274                .edit_predictions
1275                .as_ref()
1276                .and_then(|settings| settings.copilot.proxy_no_verify)
1277            {
1278                copilot_settings.proxy_no_verify = Some(proxy_no_verify);
1279            }
1280
1281            if let Some(enterprise_uri) = user_settings
1282                .edit_predictions
1283                .as_ref()
1284                .and_then(|settings| settings.copilot.enterprise_uri.clone())
1285            {
1286                copilot_settings.enterprise_uri = Some(enterprise_uri);
1287            }
1288
1289            // A user's global settings override the default global settings and
1290            // all default language-specific settings.
1291            merge_settings(&mut defaults, &user_settings.defaults);
1292            for language_settings in languages.values_mut() {
1293                merge_settings(language_settings, &user_settings.defaults);
1294            }
1295
1296            // A user's language-specific settings override default language-specific settings.
1297            for (language_name, user_language_settings) in &user_settings.languages.0 {
1298                merge_settings(
1299                    languages
1300                        .entry(language_name.clone())
1301                        .or_insert_with(|| defaults.clone()),
1302                    user_language_settings,
1303                );
1304            }
1305
1306            for (language, patterns) in &user_settings.file_types {
1307                let mut builder = GlobSetBuilder::new();
1308
1309                let default_value = default_value.file_types.get(&language.clone());
1310
1311                // Merge the default value with the user's value.
1312                if let Some(patterns) = default_value {
1313                    for pattern in patterns {
1314                        builder.add(Glob::new(pattern)?);
1315                    }
1316                }
1317
1318                for pattern in patterns {
1319                    builder.add(Glob::new(pattern)?);
1320                }
1321
1322                file_types.insert(language.clone(), builder.build()?);
1323            }
1324        }
1325
1326        Ok(Self {
1327            edit_predictions: EditPredictionSettings {
1328                provider: if let Some(provider) = edit_prediction_provider {
1329                    provider
1330                } else {
1331                    EditPredictionProvider::None
1332                },
1333                disabled_globs: completion_globs
1334                    .iter()
1335                    .filter_map(|g| {
1336                        let expanded_g = shellexpand::tilde(g).into_owned();
1337                        Some(DisabledGlob {
1338                            matcher: globset::Glob::new(&expanded_g).ok()?.compile_matcher(),
1339                            is_absolute: Path::new(&expanded_g).is_absolute(),
1340                        })
1341                    })
1342                    .collect(),
1343                mode: edit_predictions_mode,
1344                copilot: copilot_settings,
1345                enabled_in_text_threads,
1346            },
1347            defaults,
1348            languages,
1349            file_types,
1350        })
1351    }
1352
1353    fn import_from_vscode(vscode: &settings::VsCodeSettings, current: &mut Self::FileContent) {
1354        let d = &mut current.defaults;
1355        if let Some(size) = vscode
1356            .read_value("editor.tabSize")
1357            .and_then(|v| v.as_u64())
1358            .and_then(|n| NonZeroU32::new(n as u32))
1359        {
1360            d.tab_size = Some(size);
1361        }
1362        if let Some(v) = vscode.read_bool("editor.insertSpaces") {
1363            d.hard_tabs = Some(!v);
1364        }
1365
1366        vscode.enum_setting("editor.wordWrap", &mut d.soft_wrap, |s| match s {
1367            "on" => Some(SoftWrap::EditorWidth),
1368            "wordWrapColumn" => Some(SoftWrap::PreferLine),
1369            "bounded" => Some(SoftWrap::Bounded),
1370            "off" => Some(SoftWrap::None),
1371            _ => None,
1372        });
1373        vscode.u32_setting("editor.wordWrapColumn", &mut d.preferred_line_length);
1374
1375        if let Some(arr) = vscode
1376            .read_value("editor.rulers")
1377            .and_then(|v| v.as_array())
1378            .map(|v| v.iter().map(|n| n.as_u64().map(|n| n as usize)).collect())
1379        {
1380            d.wrap_guides = arr;
1381        }
1382        if let Some(b) = vscode.read_bool("editor.guides.indentation") {
1383            if let Some(guide_settings) = d.indent_guides.as_mut() {
1384                guide_settings.enabled = b;
1385            } else {
1386                d.indent_guides = Some(IndentGuideSettings {
1387                    enabled: b,
1388                    ..Default::default()
1389                });
1390            }
1391        }
1392
1393        if let Some(b) = vscode.read_bool("editor.guides.formatOnSave") {
1394            d.format_on_save = Some(if b {
1395                FormatOnSave::On
1396            } else {
1397                FormatOnSave::Off
1398            });
1399        }
1400        vscode.bool_setting(
1401            "editor.trimAutoWhitespace",
1402            &mut d.remove_trailing_whitespace_on_save,
1403        );
1404        vscode.bool_setting(
1405            "files.insertFinalNewline",
1406            &mut d.ensure_final_newline_on_save,
1407        );
1408        vscode.bool_setting("editor.inlineSuggest.enabled", &mut d.show_edit_predictions);
1409        vscode.enum_setting("editor.renderWhitespace", &mut d.show_whitespaces, |s| {
1410            Some(match s {
1411                "boundary" => ShowWhitespaceSetting::Boundary,
1412                "trailing" => ShowWhitespaceSetting::Trailing,
1413                "selection" => ShowWhitespaceSetting::Selection,
1414                "all" => ShowWhitespaceSetting::All,
1415                _ => ShowWhitespaceSetting::None,
1416            })
1417        });
1418        vscode.enum_setting(
1419            "editor.autoSurround",
1420            &mut d.use_auto_surround,
1421            |s| match s {
1422                "languageDefined" | "quotes" | "brackets" => Some(true),
1423                "never" => Some(false),
1424                _ => None,
1425            },
1426        );
1427        vscode.bool_setting("editor.formatOnType", &mut d.use_on_type_format);
1428        vscode.bool_setting("editor.linkedEditing", &mut d.linked_edits);
1429        vscode.bool_setting("editor.formatOnPaste", &mut d.auto_indent_on_paste);
1430        vscode.bool_setting(
1431            "editor.suggestOnTriggerCharacters",
1432            &mut d.show_completions_on_input,
1433        );
1434        if let Some(b) = vscode.read_bool("editor.suggest.showWords") {
1435            let mode = if b {
1436                WordsCompletionMode::Enabled
1437            } else {
1438                WordsCompletionMode::Disabled
1439            };
1440            if let Some(completion_settings) = d.completions.as_mut() {
1441                completion_settings.words = mode;
1442            } else {
1443                d.completions = Some(CompletionSettings {
1444                    words: mode,
1445                    lsp: true,
1446                    lsp_fetch_timeout_ms: 0,
1447                    lsp_insert_mode: LspInsertMode::ReplaceSuffix,
1448                });
1449            }
1450        }
1451        // TODO: pull ^ out into helper and reuse for per-language settings
1452
1453        // vscodes file association map is inverted from ours, so we flip the mapping before merging
1454        let mut associations: HashMap<Arc<str>, Vec<String>> = HashMap::default();
1455        if let Some(map) = vscode
1456            .read_value("files.associations")
1457            .and_then(|v| v.as_object())
1458        {
1459            for (k, v) in map {
1460                let Some(v) = v.as_str() else { continue };
1461                associations.entry(v.into()).or_default().push(k.clone());
1462            }
1463        }
1464
1465        // TODO: do we want to merge imported globs per filetype? for now we'll just replace
1466        current.file_types.extend(associations);
1467
1468        // cursor global ignore list applies to cursor-tab, so transfer it to edit_predictions.disabled_globs
1469        if let Some(disabled_globs) = vscode
1470            .read_value("cursor.general.globalCursorIgnoreList")
1471            .and_then(|v| v.as_array())
1472        {
1473            current
1474                .edit_predictions
1475                .get_or_insert_default()
1476                .disabled_globs
1477                .get_or_insert_default()
1478                .extend(
1479                    disabled_globs
1480                        .iter()
1481                        .filter_map(|glob| glob.as_str())
1482                        .map(|s| s.to_string()),
1483                );
1484        }
1485    }
1486}
1487
1488fn merge_settings(settings: &mut LanguageSettings, src: &LanguageSettingsContent) {
1489    fn merge<T>(target: &mut T, value: Option<T>) {
1490        if let Some(value) = value {
1491            *target = value;
1492        }
1493    }
1494
1495    merge(&mut settings.tab_size, src.tab_size);
1496    settings.tab_size = settings
1497        .tab_size
1498        .clamp(NonZeroU32::new(1).unwrap(), NonZeroU32::new(16).unwrap());
1499
1500    merge(&mut settings.hard_tabs, src.hard_tabs);
1501    merge(&mut settings.soft_wrap, src.soft_wrap);
1502    merge(&mut settings.use_autoclose, src.use_autoclose);
1503    merge(&mut settings.use_auto_surround, src.use_auto_surround);
1504    merge(&mut settings.use_on_type_format, src.use_on_type_format);
1505    merge(&mut settings.auto_indent_on_paste, src.auto_indent_on_paste);
1506    merge(
1507        &mut settings.always_treat_brackets_as_autoclosed,
1508        src.always_treat_brackets_as_autoclosed,
1509    );
1510    merge(&mut settings.show_wrap_guides, src.show_wrap_guides);
1511    merge(&mut settings.wrap_guides, src.wrap_guides.clone());
1512    merge(&mut settings.indent_guides, src.indent_guides);
1513    merge(
1514        &mut settings.code_actions_on_format,
1515        src.code_actions_on_format.clone(),
1516    );
1517    merge(&mut settings.linked_edits, src.linked_edits);
1518    merge(&mut settings.tasks, src.tasks.clone());
1519
1520    merge(
1521        &mut settings.preferred_line_length,
1522        src.preferred_line_length,
1523    );
1524    merge(&mut settings.formatter, src.formatter.clone());
1525    merge(&mut settings.prettier, src.prettier.clone());
1526    merge(
1527        &mut settings.jsx_tag_auto_close,
1528        src.jsx_tag_auto_close.clone(),
1529    );
1530    merge(&mut settings.format_on_save, src.format_on_save.clone());
1531    merge(
1532        &mut settings.remove_trailing_whitespace_on_save,
1533        src.remove_trailing_whitespace_on_save,
1534    );
1535    merge(
1536        &mut settings.ensure_final_newline_on_save,
1537        src.ensure_final_newline_on_save,
1538    );
1539    merge(
1540        &mut settings.enable_language_server,
1541        src.enable_language_server,
1542    );
1543    merge(&mut settings.language_servers, src.language_servers.clone());
1544    merge(&mut settings.allow_rewrap, src.allow_rewrap);
1545    merge(
1546        &mut settings.show_edit_predictions,
1547        src.show_edit_predictions,
1548    );
1549    merge(
1550        &mut settings.edit_predictions_disabled_in,
1551        src.edit_predictions_disabled_in.clone(),
1552    );
1553    merge(&mut settings.show_whitespaces, src.show_whitespaces);
1554    merge(
1555        &mut settings.extend_comment_on_newline,
1556        src.extend_comment_on_newline,
1557    );
1558    merge(&mut settings.inlay_hints, src.inlay_hints);
1559    merge(
1560        &mut settings.show_completions_on_input,
1561        src.show_completions_on_input,
1562    );
1563    merge(
1564        &mut settings.show_completion_documentation,
1565        src.show_completion_documentation,
1566    );
1567    merge(&mut settings.completions, src.completions);
1568}
1569
1570/// Allows to enable/disable formatting with Prettier
1571/// and configure default Prettier, used when no project-level Prettier installation is found.
1572/// Prettier formatting is disabled by default.
1573#[derive(Default, Debug, Clone, PartialEq, Eq, Serialize, Deserialize, JsonSchema)]
1574pub struct PrettierSettings {
1575    /// Enables or disables formatting with Prettier for a given language.
1576    #[serde(default)]
1577    pub allowed: bool,
1578
1579    /// Forces Prettier integration to use a specific parser name when formatting files with the language.
1580    #[serde(default)]
1581    pub parser: Option<String>,
1582
1583    /// Forces Prettier integration to use specific plugins when formatting files with the language.
1584    /// The default Prettier will be installed with these plugins.
1585    #[serde(default)]
1586    pub plugins: HashSet<String>,
1587
1588    /// Default Prettier options, in the format as in package.json section for Prettier.
1589    /// If project installs Prettier via its package.json, these options will be ignored.
1590    #[serde(flatten)]
1591    pub options: HashMap<String, serde_json::Value>,
1592}
1593
1594#[derive(Default, Debug, Clone, PartialEq, Eq, Serialize, Deserialize, JsonSchema)]
1595pub struct JsxTagAutoCloseSettings {
1596    /// Enables or disables auto-closing of JSX tags.
1597    #[serde(default)]
1598    pub enabled: bool,
1599}
1600
1601#[cfg(test)]
1602mod tests {
1603    use gpui::TestAppContext;
1604
1605    use super::*;
1606
1607    #[test]
1608    fn test_formatter_deserialization() {
1609        let raw_auto = "{\"formatter\": \"auto\"}";
1610        let settings: LanguageSettingsContent = serde_json::from_str(raw_auto).unwrap();
1611        assert_eq!(settings.formatter, Some(SelectedFormatter::Auto));
1612        let raw = "{\"formatter\": \"language_server\"}";
1613        let settings: LanguageSettingsContent = serde_json::from_str(raw).unwrap();
1614        assert_eq!(
1615            settings.formatter,
1616            Some(SelectedFormatter::List(vec![Formatter::LanguageServer {
1617                name: None
1618            }]))
1619        );
1620        let raw = "{\"formatter\": [{\"language_server\": {\"name\": null}}]}";
1621        let settings: LanguageSettingsContent = serde_json::from_str(raw).unwrap();
1622        assert_eq!(
1623            settings.formatter,
1624            Some(SelectedFormatter::List(vec![Formatter::LanguageServer {
1625                name: None
1626            }]))
1627        );
1628        let raw = "{\"formatter\": [{\"language_server\": {\"name\": null}}, \"prettier\"]}";
1629        let settings: LanguageSettingsContent = serde_json::from_str(raw).unwrap();
1630        assert_eq!(
1631            settings.formatter,
1632            Some(SelectedFormatter::List(vec![
1633                Formatter::LanguageServer { name: None },
1634                Formatter::Prettier
1635            ]))
1636        );
1637    }
1638
1639    #[test]
1640    fn test_formatter_deserialization_invalid() {
1641        let raw_auto = "{\"formatter\": {}}";
1642        let result: Result<LanguageSettingsContent, _> = serde_json::from_str(raw_auto);
1643        assert!(result.is_err());
1644    }
1645
1646    #[gpui::test]
1647    fn test_edit_predictions_enabled_for_file(cx: &mut TestAppContext) {
1648        use crate::TestFile;
1649        use std::path::PathBuf;
1650
1651        let cx = cx.app.borrow_mut();
1652
1653        let build_settings = |globs: &[&str]| -> EditPredictionSettings {
1654            EditPredictionSettings {
1655                disabled_globs: globs
1656                    .iter()
1657                    .map(|glob_str| {
1658                        #[cfg(windows)]
1659                        let glob_str = {
1660                            let mut g = String::new();
1661
1662                            if glob_str.starts_with('/') {
1663                                g.push_str("C:");
1664                            }
1665
1666                            g.push_str(&glob_str.replace('/', "\\"));
1667                            g
1668                        };
1669                        #[cfg(windows)]
1670                        let glob_str = glob_str.as_str();
1671                        let expanded_glob_str = shellexpand::tilde(glob_str).into_owned();
1672                        DisabledGlob {
1673                            matcher: globset::Glob::new(&expanded_glob_str)
1674                                .unwrap()
1675                                .compile_matcher(),
1676                            is_absolute: Path::new(&expanded_glob_str).is_absolute(),
1677                        }
1678                    })
1679                    .collect(),
1680                ..Default::default()
1681            }
1682        };
1683
1684        const WORKTREE_NAME: &str = "project";
1685        let make_test_file = |segments: &[&str]| -> Arc<dyn File> {
1686            let mut path_buf = PathBuf::new();
1687            path_buf.extend(segments);
1688
1689            Arc::new(TestFile {
1690                path: path_buf.as_path().into(),
1691                root_name: WORKTREE_NAME.to_string(),
1692                local_root: Some(PathBuf::from(if cfg!(windows) {
1693                    "C:\\absolute\\"
1694                } else {
1695                    "/absolute/"
1696                })),
1697            })
1698        };
1699
1700        let test_file = make_test_file(&["src", "test", "file.rs"]);
1701
1702        // Test relative globs
1703        let settings = build_settings(&["*.rs"]);
1704        assert!(!settings.enabled_for_file(&test_file, &cx));
1705        let settings = build_settings(&["*.txt"]);
1706        assert!(settings.enabled_for_file(&test_file, &cx));
1707
1708        // Test absolute globs
1709        let settings = build_settings(&["/absolute/**/*.rs"]);
1710        assert!(!settings.enabled_for_file(&test_file, &cx));
1711        let settings = build_settings(&["/other/**/*.rs"]);
1712        assert!(settings.enabled_for_file(&test_file, &cx));
1713
1714        // Test exact path match relative
1715        let settings = build_settings(&["src/test/file.rs"]);
1716        assert!(!settings.enabled_for_file(&test_file, &cx));
1717        let settings = build_settings(&["src/test/otherfile.rs"]);
1718        assert!(settings.enabled_for_file(&test_file, &cx));
1719
1720        // Test exact path match absolute
1721        let settings = build_settings(&[&format!("/absolute/{}/src/test/file.rs", WORKTREE_NAME)]);
1722        assert!(!settings.enabled_for_file(&test_file, &cx));
1723        let settings = build_settings(&["/other/test/otherfile.rs"]);
1724        assert!(settings.enabled_for_file(&test_file, &cx));
1725
1726        // Test * glob
1727        let settings = build_settings(&["*"]);
1728        assert!(!settings.enabled_for_file(&test_file, &cx));
1729        let settings = build_settings(&["*.txt"]);
1730        assert!(settings.enabled_for_file(&test_file, &cx));
1731
1732        // Test **/* glob
1733        let settings = build_settings(&["**/*"]);
1734        assert!(!settings.enabled_for_file(&test_file, &cx));
1735        let settings = build_settings(&["other/**/*"]);
1736        assert!(settings.enabled_for_file(&test_file, &cx));
1737
1738        // Test directory/** glob
1739        let settings = build_settings(&["src/**"]);
1740        assert!(!settings.enabled_for_file(&test_file, &cx));
1741
1742        let test_file_root: Arc<dyn File> = Arc::new(TestFile {
1743            path: PathBuf::from("file.rs").as_path().into(),
1744            root_name: WORKTREE_NAME.to_string(),
1745            local_root: Some(PathBuf::from("/absolute/")),
1746        });
1747        assert!(settings.enabled_for_file(&test_file_root, &cx));
1748
1749        let settings = build_settings(&["other/**"]);
1750        assert!(settings.enabled_for_file(&test_file, &cx));
1751
1752        // Test **/directory/* glob
1753        let settings = build_settings(&["**/test/*"]);
1754        assert!(!settings.enabled_for_file(&test_file, &cx));
1755        let settings = build_settings(&["**/other/*"]);
1756        assert!(settings.enabled_for_file(&test_file, &cx));
1757
1758        // Test multiple globs
1759        let settings = build_settings(&["*.rs", "*.txt", "src/**"]);
1760        assert!(!settings.enabled_for_file(&test_file, &cx));
1761        let settings = build_settings(&["*.txt", "*.md", "other/**"]);
1762        assert!(settings.enabled_for_file(&test_file, &cx));
1763
1764        // Test dot files
1765        let dot_file = make_test_file(&[".config", "settings.json"]);
1766        let settings = build_settings(&[".*/**"]);
1767        assert!(!settings.enabled_for_file(&dot_file, &cx));
1768
1769        let dot_env_file = make_test_file(&[".env"]);
1770        let settings = build_settings(&[".env"]);
1771        assert!(!settings.enabled_for_file(&dot_env_file, &cx));
1772
1773        // Test tilde expansion
1774        let home = shellexpand::tilde("~").into_owned().to_string();
1775        let home_file = make_test_file(&[&home, "test.rs"]);
1776        let settings = build_settings(&["~/test.rs"]);
1777        assert!(!settings.enabled_for_file(&home_file, &cx));
1778    }
1779
1780    #[test]
1781    fn test_resolve_language_servers() {
1782        fn language_server_names(names: &[&str]) -> Vec<LanguageServerName> {
1783            names
1784                .iter()
1785                .copied()
1786                .map(|name| LanguageServerName(name.to_string().into()))
1787                .collect::<Vec<_>>()
1788        }
1789
1790        let available_language_servers = language_server_names(&[
1791            "typescript-language-server",
1792            "biome",
1793            "deno",
1794            "eslint",
1795            "tailwind",
1796        ]);
1797
1798        // A value of just `["..."]` is the same as taking all of the available language servers.
1799        assert_eq!(
1800            LanguageSettings::resolve_language_servers(
1801                &[LanguageSettings::REST_OF_LANGUAGE_SERVERS.into()],
1802                &available_language_servers,
1803            ),
1804            available_language_servers
1805        );
1806
1807        // Referencing one of the available language servers will change its order.
1808        assert_eq!(
1809            LanguageSettings::resolve_language_servers(
1810                &[
1811                    "biome".into(),
1812                    LanguageSettings::REST_OF_LANGUAGE_SERVERS.into(),
1813                    "deno".into()
1814                ],
1815                &available_language_servers
1816            ),
1817            language_server_names(&[
1818                "biome",
1819                "typescript-language-server",
1820                "eslint",
1821                "tailwind",
1822                "deno",
1823            ])
1824        );
1825
1826        // Negating an available language server removes it from the list.
1827        assert_eq!(
1828            LanguageSettings::resolve_language_servers(
1829                &[
1830                    "deno".into(),
1831                    "!typescript-language-server".into(),
1832                    "!biome".into(),
1833                    LanguageSettings::REST_OF_LANGUAGE_SERVERS.into()
1834                ],
1835                &available_language_servers
1836            ),
1837            language_server_names(&["deno", "eslint", "tailwind"])
1838        );
1839
1840        // Adding a language server not in the list of available language servers adds it to the list.
1841        assert_eq!(
1842            LanguageSettings::resolve_language_servers(
1843                &[
1844                    "my-cool-language-server".into(),
1845                    LanguageSettings::REST_OF_LANGUAGE_SERVERS.into()
1846                ],
1847                &available_language_servers
1848            ),
1849            language_server_names(&[
1850                "my-cool-language-server",
1851                "typescript-language-server",
1852                "biome",
1853                "deno",
1854                "eslint",
1855                "tailwind",
1856            ])
1857        );
1858    }
1859}