1 //! Config used by the language server.
3 //! We currently get this config from `initialize` LSP request, which is not the
4 //! best way to do it, but was the simplest thing we could implement.
6 //! Of particular interest is the `feature_flags` hash map: while other fields
7 //! configure the server itself, feature flags are passed into analysis, and
8 //! tweak things like automatic insertion of `()` in completions.
10 use std::{ffi::OsString, iter, path::PathBuf};
12 use flycheck::FlycheckConfig;
14 AssistConfig, CompletionConfig, DiagnosticsConfig, HighlightRelatedConfig, HoverConfig,
15 HoverDocFormat, InlayHintsConfig, JoinLinesConfig,
17 use ide_db::helpers::{
18 insert_use::{ImportGranularity, InsertUseConfig, PrefixKind},
21 use lsp_types::{ClientCapabilities, MarkupKind};
23 CargoConfig, ProjectJson, ProjectJsonData, ProjectManifest, RustcSource, UnsetTestCrates,
25 use rustc_hash::{FxHashMap, FxHashSet};
26 use serde::{de::DeserializeOwned, Deserialize};
30 caps::completion_item_edit_resolve,
31 diagnostics::DiagnosticsMapConfig,
32 line_index::OffsetEncoding,
33 lsp_ext::supports_utf8,
34 lsp_ext::WorkspaceSymbolSearchScope,
35 lsp_ext::{self, WorkspaceSymbolSearchKind},
38 // Defines the server-side configuration of the rust-analyzer. We generate
39 // *parts* of VS Code's `package.json` config from this.
41 // However, editor specific config, which the server doesn't know about, should
42 // be specified directly in `package.json`.
44 // To deprecate an option by replacing it with another name use `new_name | `old_name` so that we keep
45 // parsing the old name.
48 /// How imports should be grouped into use statements.
49 assist_importGranularity |
50 assist_importMergeBehavior |
51 assist_importMergeBehaviour: ImportGranularityDef = "\"crate\"",
52 /// Whether to enforce the import granularity setting for all files. If set to false rust-analyzer will try to keep import styles consistent per file.
53 assist_importEnforceGranularity: bool = "false",
54 /// The path structure for newly inserted paths to use.
55 assist_importPrefix: ImportPrefixDef = "\"plain\"",
56 /// Group inserted imports by the https://rust-analyzer.github.io/manual.html#auto-import[following order]. Groups are separated by newlines.
57 assist_importGroup: bool = "true",
58 /// Whether to allow import insertion to merge new imports into single path glob imports like `use std::fmt::*;`.
59 assist_allowMergingIntoGlobImports: bool = "true",
61 /// Show function name and docs in parameter hints.
62 callInfo_full: bool = "true",
64 /// Automatically refresh project info via `cargo metadata` on
65 /// `Cargo.toml` changes.
66 cargo_autoreload: bool = "true",
67 /// Activate all available features (`--all-features`).
68 cargo_allFeatures: bool = "false",
69 /// Unsets `#[cfg(test)]` for the specified crates.
70 cargo_unsetTest: Vec<String> = "[\"core\"]",
71 /// List of features to activate.
72 cargo_features: Vec<String> = "[]",
73 /// Run build scripts (`build.rs`) for more precise code analysis.
74 cargo_runBuildScripts |
75 cargo_loadOutDirsFromCheck: bool = "true",
76 /// Use `RUSTC_WRAPPER=rust-analyzer` when running build scripts to
77 /// avoid compiling unnecessary things.
78 cargo_useRustcWrapperForBuildScripts: bool = "true",
79 /// Do not activate the `default` feature.
80 cargo_noDefaultFeatures: bool = "false",
81 /// Compilation target (target triple).
82 cargo_target: Option<String> = "null",
83 /// Internal config for debugging, disables loading of sysroot crates.
84 cargo_noSysroot: bool = "false",
86 /// Run specified `cargo check` command for diagnostics on save.
87 checkOnSave_enable: bool = "true",
88 /// Check with all features (`--all-features`).
89 /// Defaults to `#rust-analyzer.cargo.allFeatures#`.
90 checkOnSave_allFeatures: Option<bool> = "null",
91 /// Check all targets and tests (`--all-targets`).
92 checkOnSave_allTargets: bool = "true",
93 /// Cargo command to use for `cargo check`.
94 checkOnSave_command: String = "\"check\"",
95 /// Do not activate the `default` feature.
96 checkOnSave_noDefaultFeatures: Option<bool> = "null",
97 /// Check for a specific target. Defaults to
98 /// `#rust-analyzer.cargo.target#`.
99 checkOnSave_target: Option<String> = "null",
100 /// Extra arguments for `cargo check`.
101 checkOnSave_extraArgs: Vec<String> = "[]",
102 /// List of features to activate. Defaults to
103 /// `#rust-analyzer.cargo.features#`.
104 checkOnSave_features: Option<Vec<String>> = "null",
105 /// Advanced option, fully override the command rust-analyzer uses for
106 /// checking. The command should include `--message-format=json` or
108 checkOnSave_overrideCommand: Option<Vec<String>> = "null",
110 /// Whether to add argument snippets when completing functions.
111 /// Only applies when `#rust-analyzer.completion.addCallParenthesis#` is set.
112 completion_addCallArgumentSnippets: bool = "true",
113 /// Whether to add parenthesis when completing functions.
114 completion_addCallParenthesis: bool = "true",
115 /// Whether to show postfix snippets like `dbg`, `if`, `not`, etc.
116 completion_postfix_enable: bool = "true",
117 /// Toggles the additional completions that automatically add imports when completed.
118 /// Note that your client must specify the `additionalTextEdits` LSP client capability to truly have this feature enabled.
119 completion_autoimport_enable: bool = "true",
120 /// Toggles the additional completions that automatically show method calls and field accesses
121 /// with `self` prefixed to them when inside a method.
122 completion_autoself_enable: bool = "true",
124 /// Whether to show native rust-analyzer diagnostics.
125 diagnostics_enable: bool = "true",
126 /// Whether to show experimental rust-analyzer diagnostics that might
127 /// have more false positives than usual.
128 diagnostics_enableExperimental: bool = "true",
129 /// List of rust-analyzer diagnostics to disable.
130 diagnostics_disabled: FxHashSet<String> = "[]",
131 /// Map of prefixes to be substituted when parsing diagnostic file paths.
132 /// This should be the reverse mapping of what is passed to `rustc` as `--remap-path-prefix`.
133 diagnostics_remapPrefix: FxHashMap<String, String> = "{}",
134 /// List of warnings that should be displayed with hint severity.
136 /// The warnings will be indicated by faded text or three dots in code
137 /// and will not show up in the `Problems Panel`.
138 diagnostics_warningsAsHint: Vec<String> = "[]",
139 /// List of warnings that should be displayed with info severity.
141 /// The warnings will be indicated by a blue squiggly underline in code
142 /// and a blue icon in the `Problems Panel`.
143 diagnostics_warningsAsInfo: Vec<String> = "[]",
145 /// Expand attribute macros.
146 experimental_procAttrMacros: bool = "true",
148 /// Controls file watching implementation.
149 files_watcher: String = "\"client\"",
150 /// These directories will be ignored by rust-analyzer. They are
151 /// relative to the workspace root, and globs are not supported. You may
152 /// also need to add the folders to Code's `files.watcherExclude`.
153 files_excludeDirs: Vec<PathBuf> = "[]",
155 /// Enables highlighting of related references while hovering your mouse above any identifier.
156 highlightRelated_references: bool = "true",
157 /// Enables highlighting of all exit points while hovering your mouse above any `return`, `?`, or return type arrow (`->`).
158 highlightRelated_exitPoints: bool = "true",
159 /// Enables highlighting of related references while hovering your mouse `break`, `loop`, `while`, or `for` keywords.
160 highlightRelated_breakPoints: bool = "true",
161 /// Enables highlighting of all break points for a loop or block context while hovering your mouse above any `async` or `await` keywords.
162 highlightRelated_yieldPoints: bool = "true",
164 /// Use semantic tokens for strings.
166 /// In some editors (e.g. vscode) semantic tokens override other highlighting grammars.
167 /// By disabling semantic tokens for strings, other grammars can be used to highlight
169 highlighting_strings: bool = "true",
171 /// Whether to show documentation on hover.
172 hover_documentation: bool = "true",
173 /// Use markdown syntax for links in hover.
175 hoverActions_linksInHover: bool = "true",
177 /// Whether to show `Debug` action. Only applies when
178 /// `#rust-analyzer.hoverActions.enable#` is set.
179 hoverActions_debug: bool = "true",
180 /// Whether to show HoverActions in Rust files.
181 hoverActions_enable: bool = "true",
182 /// Whether to show `Go to Type Definition` action. Only applies when
183 /// `#rust-analyzer.hoverActions.enable#` is set.
184 hoverActions_gotoTypeDef: bool = "true",
185 /// Whether to show `Implementations` action. Only applies when
186 /// `#rust-analyzer.hoverActions.enable#` is set.
187 hoverActions_implementations: bool = "true",
188 /// Whether to show `References` action. Only applies when
189 /// `#rust-analyzer.hoverActions.enable#` is set.
190 hoverActions_references: bool = "false",
191 /// Whether to show `Run` action. Only applies when
192 /// `#rust-analyzer.hoverActions.enable#` is set.
193 hoverActions_run: bool = "true",
195 /// Whether to show inlay type hints for method chains.
196 inlayHints_chainingHints: bool = "true",
197 /// Maximum length for inlay hints. Set to null to have an unlimited length.
198 inlayHints_maxLength: Option<usize> = "25",
199 /// Whether to show function parameter name inlay hints at the call
201 inlayHints_parameterHints: bool = "true",
202 /// Whether to show inlay type hints for variables.
203 inlayHints_typeHints: bool = "true",
205 /// Join lines inserts else between consecutive ifs.
206 joinLines_joinElseIf: bool = "true",
207 /// Join lines removes trailing commas.
208 joinLines_removeTrailingComma: bool = "true",
209 /// Join lines unwraps trivial blocks.
210 joinLines_unwrapTrivialBlock: bool = "true",
211 /// Join lines merges consecutive declaration and initialization of an assignment.
212 joinLines_joinAssignments: bool = "true",
214 /// Whether to show `Debug` lens. Only applies when
215 /// `#rust-analyzer.lens.enable#` is set.
216 lens_debug: bool = "true",
217 /// Whether to show CodeLens in Rust files.
218 lens_enable: bool = "true",
219 /// Whether to show `Implementations` lens. Only applies when
220 /// `#rust-analyzer.lens.enable#` is set.
221 lens_implementations: bool = "true",
222 /// Whether to show `Run` lens. Only applies when
223 /// `#rust-analyzer.lens.enable#` is set.
224 lens_run: bool = "true",
225 /// Whether to show `Method References` lens. Only applies when
226 /// `#rust-analyzer.lens.enable#` is set.
227 lens_methodReferences: bool = "false",
228 /// Whether to show `References` lens for Struct, Enum, Union and Trait.
229 /// Only applies when `#rust-analyzer.lens.enable#` is set.
230 lens_references: bool = "false",
231 /// Whether to show `References` lens for Enum Variants.
232 /// Only applies when `#rust-analyzer.lens.enable#` is set.
233 lens_enumVariantReferences: bool = "false",
234 /// Internal config: use custom client-side commands even when the
235 /// client doesn't set the corresponding capability.
236 lens_forceCustomCommands: bool = "true",
238 /// Disable project auto-discovery in favor of explicitly specified set
241 /// Elements must be paths pointing to `Cargo.toml`,
242 /// `rust-project.json`, or JSON objects in `rust-project.json` format.
243 linkedProjects: Vec<ManifestOrProjectJson> = "[]",
245 /// Number of syntax trees rust-analyzer keeps in memory. Defaults to 128.
246 lruCapacity: Option<usize> = "null",
248 /// Whether to show `can't find Cargo.toml` error message.
249 notifications_cargoTomlNotFound: bool = "true",
251 /// Enable support for procedural macros, implies `#rust-analyzer.cargo.runBuildScripts#`.
252 procMacro_enable: bool = "true",
253 /// Internal config, path to proc-macro server executable (typically,
254 /// this is rust-analyzer itself, but we override this in tests).
255 procMacro_server: Option<PathBuf> = "null",
257 /// Command to be executed instead of 'cargo' for runnables.
258 runnables_overrideCargo: Option<String> = "null",
259 /// Additional arguments to be passed to cargo for runnables such as
260 /// tests or binaries. For example, it may be `--release`.
261 runnables_cargoExtraArgs: Vec<String> = "[]",
263 /// Path to the Cargo.toml of the rust compiler workspace, for usage in rustc_private
264 /// projects, or "discover" to try to automatically find it.
266 /// Any project which uses rust-analyzer with the rustcPrivate
267 /// crates must set `[package.metadata.rust-analyzer] rustc_private=true` to use it.
269 /// This option is not reloaded automatically; you must restart rust-analyzer for it to take effect.
270 rustcSource: Option<String> = "null",
272 /// Additional arguments to `rustfmt`.
273 rustfmt_extraArgs: Vec<String> = "[]",
274 /// Advanced option, fully override the command rust-analyzer uses for
276 rustfmt_overrideCommand: Option<Vec<String>> = "null",
277 /// Enables the use of rustfmt's unstable range formatting command for the
278 /// `textDocument/rangeFormatting` request. The rustfmt option is unstable and only
279 /// available on a nightly build.
280 rustfmt_enableRangeFormatting: bool = "false",
282 /// Workspace symbol search scope.
283 workspace_symbol_search_scope: WorskpaceSymbolSearchScopeDef = "\"workspace\"",
284 /// Workspace symbol search kind.
285 workspace_symbol_search_kind: WorskpaceSymbolSearchKindDef = "\"only_types\"",
289 impl Default for ConfigData {
290 fn default() -> Self {
291 ConfigData::from_json(serde_json::Value::Null)
295 #[derive(Debug, Clone)]
297 pub caps: lsp_types::ClientCapabilities,
299 detached_files: Vec<AbsPathBuf>,
300 pub discovered_projects: Option<Vec<ProjectManifest>>,
301 pub root_path: AbsPathBuf,
304 #[derive(Debug, Clone, Eq, PartialEq)]
305 pub enum LinkedProject {
306 ProjectManifest(ProjectManifest),
307 InlineJsonProject(ProjectJson),
310 impl From<ProjectManifest> for LinkedProject {
311 fn from(v: ProjectManifest) -> Self {
312 LinkedProject::ProjectManifest(v)
316 impl From<ProjectJson> for LinkedProject {
317 fn from(v: ProjectJson) -> Self {
318 LinkedProject::InlineJsonProject(v)
322 #[derive(Clone, Debug, PartialEq, Eq)]
323 pub struct LensConfig {
326 pub implementations: bool,
327 pub method_refs: bool,
328 pub refs: bool, // for Struct, Enum, Union and Trait
329 pub enum_variant_refs: bool,
333 pub fn any(&self) -> bool {
334 self.implementations || self.runnable() || self.references()
337 pub fn none(&self) -> bool {
341 pub fn runnable(&self) -> bool {
342 self.run || self.debug
345 pub fn references(&self) -> bool {
346 self.method_refs || self.refs || self.enum_variant_refs
350 #[derive(Clone, Debug, PartialEq, Eq)]
351 pub struct HoverActionsConfig {
352 pub implementations: bool,
353 pub references: bool,
356 pub goto_type_def: bool,
359 impl HoverActionsConfig {
360 pub const NO_ACTIONS: Self = Self {
361 implementations: false,
365 goto_type_def: false,
368 pub fn any(&self) -> bool {
369 self.implementations || self.references || self.runnable() || self.goto_type_def
372 pub fn none(&self) -> bool {
376 pub fn runnable(&self) -> bool {
377 self.run || self.debug
381 #[derive(Debug, Clone)]
382 pub struct FilesConfig {
383 pub watcher: FilesWatcher,
384 pub exclude: Vec<AbsPathBuf>,
387 #[derive(Debug, Clone)]
388 pub enum FilesWatcher {
393 #[derive(Debug, Clone)]
394 pub struct NotificationsConfig {
395 pub cargo_toml_not_found: bool,
398 #[derive(Debug, Clone)]
399 pub enum RustfmtConfig {
400 Rustfmt { extra_args: Vec<String>, enable_range_formatting: bool },
401 CustomCommand { command: String, args: Vec<String> },
404 /// Configuration for runnable items, such as `main` function or tests.
405 #[derive(Debug, Clone)]
406 pub struct RunnablesConfig {
407 /// Custom command to be executed instead of `cargo` for runnables.
408 pub override_cargo: Option<String>,
409 /// Additional arguments for the `cargo`, e.g. `--release`.
410 pub cargo_extra_args: Vec<String>,
413 /// Configuration for workspace symbol search requests.
414 #[derive(Debug, Clone)]
415 pub struct WorkspaceSymbolConfig {
416 /// In what scope should the symbol be searched in.
417 pub search_scope: WorkspaceSymbolSearchScope,
418 /// What kind of symbol is being search for.
419 pub search_kind: WorkspaceSymbolSearchKind,
422 pub struct ClientCommandsConfig {
423 pub run_single: bool,
424 pub debug_single: bool,
425 pub show_reference: bool,
426 pub goto_location: bool,
427 pub trigger_parameter_hints: bool,
431 pub fn new(root_path: AbsPathBuf, caps: ClientCapabilities) -> Self {
434 data: ConfigData::default(),
435 detached_files: Vec::new(),
436 discovered_projects: None,
440 pub fn update(&mut self, mut json: serde_json::Value) {
441 tracing::info!("updating config from JSON: {:#}", json);
442 if json.is_null() || json.as_object().map_or(false, |it| it.is_empty()) {
445 self.detached_files = get_field::<Vec<PathBuf>>(&mut json, "detachedFiles", None, "[]")
447 .map(AbsPathBuf::assert)
449 self.data = ConfigData::from_json(json);
452 pub fn json_schema() -> serde_json::Value {
453 ConfigData::json_schema()
459 || -> _ { Some($expr) }()
462 macro_rules! try_or {
463 ($expr:expr, $or:expr) => {
464 try_!($expr).unwrap_or($or)
469 pub fn linked_projects(&self) -> Vec<LinkedProject> {
470 if self.data.linkedProjects.is_empty() {
471 self.discovered_projects
476 .map(LinkedProject::from)
482 .filter_map(|linked_project| {
483 let res = match linked_project {
484 ManifestOrProjectJson::Manifest(it) => {
485 let path = self.root_path.join(it);
486 ProjectManifest::from_manifest_file(path)
488 tracing::error!("failed to load linked project: {}", e)
493 ManifestOrProjectJson::ProjectJson(it) => {
494 ProjectJson::new(&self.root_path, it.clone()).into()
503 pub fn detached_files(&self) -> &[AbsPathBuf] {
507 pub fn did_save_text_document_dynamic_registration(&self) -> bool {
509 try_or!(self.caps.text_document.as_ref()?.synchronization.clone()?, Default::default());
510 caps.did_save == Some(true) && caps.dynamic_registration == Some(true)
512 pub fn did_change_watched_files_dynamic_registration(&self) -> bool {
514 self.caps.workspace.as_ref()?.did_change_watched_files.as_ref()?.dynamic_registration?,
519 pub fn location_link(&self) -> bool {
520 try_or!(self.caps.text_document.as_ref()?.definition?.link_support?, false)
522 pub fn line_folding_only(&self) -> bool {
523 try_or!(self.caps.text_document.as_ref()?.folding_range.as_ref()?.line_folding_only?, false)
525 pub fn hierarchical_symbols(&self) -> bool {
532 .hierarchical_document_symbol_support?,
536 pub fn code_action_literals(&self) -> bool {
543 .code_action_literal_support
547 pub fn work_done_progress(&self) -> bool {
548 try_or!(self.caps.window.as_ref()?.work_done_progress?, false)
550 pub fn will_rename(&self) -> bool {
551 try_or!(self.caps.workspace.as_ref()?.file_operations.as_ref()?.will_rename?, false)
553 pub fn change_annotation_support(&self) -> bool {
560 .change_annotation_support
564 pub fn code_action_resolve(&self) -> bool {
578 .any(|it| it == "edit")
580 pub fn signature_help_label_offsets(&self) -> bool {
587 .signature_information
589 .parameter_information
591 .label_offset_support?,
595 pub fn offset_encoding(&self) -> OffsetEncoding {
596 if supports_utf8(&self.caps) {
599 OffsetEncoding::Utf16
603 fn experimental(&self, index: &'static str) -> bool {
604 try_or!(self.caps.experimental.as_ref()?.get(index)?.as_bool()?, false)
606 pub fn code_action_group(&self) -> bool {
607 self.experimental("codeActionGroup")
609 pub fn server_status_notification(&self) -> bool {
610 self.experimental("serverStatusNotification")
613 pub fn publish_diagnostics(&self) -> bool {
614 self.data.diagnostics_enable
616 pub fn diagnostics(&self) -> DiagnosticsConfig {
618 disable_experimental: !self.data.diagnostics_enableExperimental,
619 disabled: self.data.diagnostics_disabled.clone(),
622 pub fn diagnostics_map(&self) -> DiagnosticsMapConfig {
623 DiagnosticsMapConfig {
624 remap_prefix: self.data.diagnostics_remapPrefix.clone(),
625 warnings_as_info: self.data.diagnostics_warningsAsInfo.clone(),
626 warnings_as_hint: self.data.diagnostics_warningsAsHint.clone(),
629 pub fn lru_capacity(&self) -> Option<usize> {
630 self.data.lruCapacity
632 pub fn proc_macro_srv(&self) -> Option<(AbsPathBuf, Vec<OsString>)> {
633 if !self.data.procMacro_enable {
636 let path = match &self.data.procMacro_server {
637 Some(it) => self.root_path.join(it),
638 None => AbsPathBuf::assert(std::env::current_exe().ok()?),
640 Some((path, vec!["proc-macro".into()]))
642 pub fn expand_proc_attr_macros(&self) -> bool {
643 self.data.experimental_procAttrMacros
645 pub fn files(&self) -> FilesConfig {
647 watcher: match self.data.files_watcher.as_str() {
648 "notify" => FilesWatcher::Notify,
649 "client" | _ => FilesWatcher::Client,
651 exclude: self.data.files_excludeDirs.iter().map(|it| self.root_path.join(it)).collect(),
654 pub fn notifications(&self) -> NotificationsConfig {
655 NotificationsConfig { cargo_toml_not_found: self.data.notifications_cargoTomlNotFound }
657 pub fn cargo_autoreload(&self) -> bool {
658 self.data.cargo_autoreload
660 pub fn run_build_scripts(&self) -> bool {
661 self.data.cargo_runBuildScripts || self.data.procMacro_enable
663 pub fn cargo(&self) -> CargoConfig {
664 let rustc_source = self.data.rustcSource.as_ref().map(|rustc_src| {
665 if rustc_src == "discover" {
666 RustcSource::Discover
668 RustcSource::Path(self.root_path.join(rustc_src))
673 no_default_features: self.data.cargo_noDefaultFeatures,
674 all_features: self.data.cargo_allFeatures,
675 features: self.data.cargo_features.clone(),
676 target: self.data.cargo_target.clone(),
677 no_sysroot: self.data.cargo_noSysroot,
679 unset_test_crates: UnsetTestCrates::Only(self.data.cargo_unsetTest.clone()),
680 wrap_rustc_in_build_scripts: self.data.cargo_useRustcWrapperForBuildScripts,
684 pub fn rustfmt(&self) -> RustfmtConfig {
685 match &self.data.rustfmt_overrideCommand {
686 Some(args) if !args.is_empty() => {
687 let mut args = args.clone();
688 let command = args.remove(0);
689 RustfmtConfig::CustomCommand { command, args }
691 Some(_) | None => RustfmtConfig::Rustfmt {
692 extra_args: self.data.rustfmt_extraArgs.clone(),
693 enable_range_formatting: self.data.rustfmt_enableRangeFormatting,
697 pub fn flycheck(&self) -> Option<FlycheckConfig> {
698 if !self.data.checkOnSave_enable {
701 let flycheck_config = match &self.data.checkOnSave_overrideCommand {
702 Some(args) if !args.is_empty() => {
703 let mut args = args.clone();
704 let command = args.remove(0);
705 FlycheckConfig::CustomCommand { command, args }
707 Some(_) | None => FlycheckConfig::CargoCommand {
708 command: self.data.checkOnSave_command.clone(),
713 .or_else(|| self.data.cargo_target.clone()),
714 all_targets: self.data.checkOnSave_allTargets,
715 no_default_features: self
717 .checkOnSave_noDefaultFeatures
718 .unwrap_or(self.data.cargo_noDefaultFeatures),
721 .checkOnSave_allFeatures
722 .unwrap_or(self.data.cargo_allFeatures),
725 .checkOnSave_features
727 .unwrap_or_else(|| self.data.cargo_features.clone()),
728 extra_args: self.data.checkOnSave_extraArgs.clone(),
731 Some(flycheck_config)
733 pub fn runnables(&self) -> RunnablesConfig {
735 override_cargo: self.data.runnables_overrideCargo.clone(),
736 cargo_extra_args: self.data.runnables_cargoExtraArgs.clone(),
739 pub fn inlay_hints(&self) -> InlayHintsConfig {
741 type_hints: self.data.inlayHints_typeHints,
742 parameter_hints: self.data.inlayHints_parameterHints,
743 chaining_hints: self.data.inlayHints_chainingHints,
744 max_length: self.data.inlayHints_maxLength,
747 fn insert_use_config(&self) -> InsertUseConfig {
749 granularity: match self.data.assist_importGranularity {
750 ImportGranularityDef::Preserve => ImportGranularity::Preserve,
751 ImportGranularityDef::Item => ImportGranularity::Item,
752 ImportGranularityDef::Crate => ImportGranularity::Crate,
753 ImportGranularityDef::Module => ImportGranularity::Module,
755 enforce_granularity: self.data.assist_importEnforceGranularity,
756 prefix_kind: match self.data.assist_importPrefix {
757 ImportPrefixDef::Plain => PrefixKind::Plain,
758 ImportPrefixDef::ByCrate => PrefixKind::ByCrate,
759 ImportPrefixDef::BySelf => PrefixKind::BySelf,
761 group: self.data.assist_importGroup,
762 skip_glob_imports: !self.data.assist_allowMergingIntoGlobImports,
765 pub fn completion(&self) -> CompletionConfig {
767 enable_postfix_completions: self.data.completion_postfix_enable,
768 enable_imports_on_the_fly: self.data.completion_autoimport_enable
769 && completion_item_edit_resolve(&self.caps),
770 enable_self_on_the_fly: self.data.completion_autoself_enable,
771 add_call_parenthesis: self.data.completion_addCallParenthesis,
772 add_call_argument_snippets: self.data.completion_addCallArgumentSnippets,
773 insert_use: self.insert_use_config(),
774 snippet_cap: SnippetCap::new(try_or!(
787 pub fn assist(&self) -> AssistConfig {
789 snippet_cap: SnippetCap::new(self.experimental("snippetTextEdit")),
791 insert_use: self.insert_use_config(),
794 pub fn join_lines(&self) -> JoinLinesConfig {
796 join_else_if: self.data.joinLines_joinElseIf,
797 remove_trailing_comma: self.data.joinLines_removeTrailingComma,
798 unwrap_trivial_blocks: self.data.joinLines_unwrapTrivialBlock,
799 join_assignments: self.data.joinLines_joinAssignments,
802 pub fn call_info_full(&self) -> bool {
803 self.data.callInfo_full
805 pub fn lens(&self) -> LensConfig {
807 run: self.data.lens_enable && self.data.lens_run,
808 debug: self.data.lens_enable && self.data.lens_debug,
809 implementations: self.data.lens_enable && self.data.lens_implementations,
810 method_refs: self.data.lens_enable && self.data.lens_methodReferences,
811 refs: self.data.lens_enable && self.data.lens_references,
812 enum_variant_refs: self.data.lens_enable && self.data.lens_enumVariantReferences,
815 pub fn hover_actions(&self) -> HoverActionsConfig {
816 let enable = self.experimental("hoverActions") && self.data.hoverActions_enable;
818 implementations: enable && self.data.hoverActions_implementations,
819 references: enable && self.data.hoverActions_references,
820 run: enable && self.data.hoverActions_run,
821 debug: enable && self.data.hoverActions_debug,
822 goto_type_def: enable && self.data.hoverActions_gotoTypeDef,
825 pub fn highlighting_strings(&self) -> bool {
826 self.data.highlighting_strings
828 pub fn hover(&self) -> HoverConfig {
830 links_in_hover: self.data.hover_linksInHover,
831 documentation: self.data.hover_documentation.then(|| {
832 let is_markdown = try_or!(
843 .contains(&MarkupKind::Markdown);
845 HoverDocFormat::Markdown
847 HoverDocFormat::PlainText
853 pub fn workspace_symbol(&self) -> WorkspaceSymbolConfig {
854 WorkspaceSymbolConfig {
855 search_scope: match self.data.workspace_symbol_search_scope {
856 WorskpaceSymbolSearchScopeDef::Workspace => WorkspaceSymbolSearchScope::Workspace,
857 WorskpaceSymbolSearchScopeDef::WorkspaceAndDependencies => {
858 WorkspaceSymbolSearchScope::WorkspaceAndDependencies
861 search_kind: match self.data.workspace_symbol_search_kind {
862 WorskpaceSymbolSearchKindDef::OnlyTypes => WorkspaceSymbolSearchKind::OnlyTypes,
863 WorskpaceSymbolSearchKindDef::AllSymbols => WorkspaceSymbolSearchKind::AllSymbols,
868 pub fn semantic_tokens_refresh(&self) -> bool {
869 try_or!(self.caps.workspace.as_ref()?.semantic_tokens.as_ref()?.refresh_support?, false)
871 pub fn code_lens_refresh(&self) -> bool {
872 try_or!(self.caps.workspace.as_ref()?.code_lens.as_ref()?.refresh_support?, false)
874 pub fn insert_replace_support(&self) -> bool {
883 .insert_replace_support?,
887 pub fn client_commands(&self) -> ClientCommandsConfig {
889 try_or!(self.caps.experimental.as_ref()?.get("commands")?, &serde_json::Value::Null);
890 let commands: Option<lsp_ext::ClientCommandOptions> =
891 serde_json::from_value(commands.clone()).ok();
892 let force = commands.is_none() && self.data.lens_forceCustomCommands;
893 let commands = commands.map(|it| it.commands).unwrap_or_default();
895 let get = |name: &str| commands.iter().any(|it| it == name) || force;
897 ClientCommandsConfig {
898 run_single: get("rust-analyzer.runSingle"),
899 debug_single: get("rust-analyzer.debugSingle"),
900 show_reference: get("rust-analyzer.showReferences"),
901 goto_location: get("rust-analyzer.gotoLocation"),
902 trigger_parameter_hints: get("editor.action.triggerParameterHints"),
906 pub fn highlight_related(&self) -> HighlightRelatedConfig {
907 HighlightRelatedConfig {
908 references: self.data.highlightRelated_references,
909 break_points: self.data.highlightRelated_breakPoints,
910 exit_points: self.data.highlightRelated_exitPoints,
911 yield_points: self.data.highlightRelated_yieldPoints,
916 #[derive(Deserialize, Debug, Clone)]
918 enum ManifestOrProjectJson {
920 ProjectJson(ProjectJsonData),
923 #[derive(Deserialize, Debug, Clone)]
924 #[serde(rename_all = "snake_case")]
925 enum ImportGranularityDef {
927 #[serde(alias = "none")]
929 #[serde(alias = "full")]
931 #[serde(alias = "last")]
935 #[derive(Deserialize, Debug, Clone)]
936 #[serde(rename_all = "snake_case")]
937 enum ImportPrefixDef {
939 #[serde(alias = "self")]
941 #[serde(alias = "crate")]
945 #[derive(Deserialize, Debug, Clone)]
946 #[serde(rename_all = "snake_case")]
947 enum WorskpaceSymbolSearchScopeDef {
949 WorkspaceAndDependencies,
952 #[derive(Deserialize, Debug, Clone)]
953 #[serde(rename_all = "snake_case")]
954 enum WorskpaceSymbolSearchKindDef {
959 macro_rules! _config_data {
960 (struct $name:ident {
962 $(#[doc=$doc:literal])*
963 $field:ident $(| $alias:ident)*: $ty:ty = $default:expr,
966 #[allow(non_snake_case)]
967 #[derive(Debug, Clone)]
968 struct $name { $($field: $ty,)* }
970 fn from_json(mut json: serde_json::Value) -> $name {
975 None$(.or(Some(stringify!($alias))))*,
981 fn json_schema() -> serde_json::Value {
984 let field = stringify!($field);
985 let ty = stringify!($ty);
987 (field, ty, &[$($doc),*], $default)
993 fn manual() -> String {
996 let field = stringify!($field);
997 let ty = stringify!($ty);
999 (field, ty, &[$($doc),*], $default)
1006 use _config_data as config_data;
1008 fn get_field<T: DeserializeOwned>(
1009 json: &mut serde_json::Value,
1010 field: &'static str,
1011 alias: Option<&'static str>,
1014 let default = serde_json::from_str(default).unwrap();
1016 // XXX: check alias first, to work-around the VS Code where it pre-fills the
1017 // defaults instead of sending an empty object.
1020 .chain(iter::once(field))
1021 .find_map(move |field| {
1022 let mut pointer = field.replace('_', "/");
1023 pointer.insert(0, '/');
1024 json.pointer_mut(&pointer).and_then(|it| serde_json::from_value(it.take()).ok())
1029 fn schema(fields: &[(&'static str, &'static str, &[&str], &str)]) -> serde_json::Value {
1030 for ((f1, ..), (f2, ..)) in fields.iter().zip(&fields[1..]) {
1031 fn key(f: &str) -> &str {
1032 f.splitn(2, '_').next().unwrap()
1034 assert!(key(f1) <= key(f2), "wrong field order: {:?} {:?}", f1, f2);
1039 .map(|(field, ty, doc, default)| {
1040 let name = field.replace("_", ".");
1041 let name = format!("rust-analyzer.{}", name);
1042 let props = field_props(field, ty, doc, default);
1045 .collect::<serde_json::Map<_, _>>();
1049 fn field_props(field: &str, ty: &str, doc: &[&str], default: &str) -> serde_json::Value {
1050 let doc = doc_comment_to_string(doc);
1051 let doc = doc.trim_end_matches('\n');
1053 doc.ends_with('.') && doc.starts_with(char::is_uppercase),
1054 "bad docs for {}: {:?}",
1058 let default = default.parse::<serde_json::Value>().unwrap();
1060 let mut map = serde_json::Map::default();
1062 ($($key:literal: $value:tt),*$(,)?) => {{$(
1063 map.insert($key.into(), serde_json::json!($value));
1066 set!("markdownDescription": doc);
1067 set!("default": default);
1070 "bool" => set!("type": "boolean"),
1071 "String" => set!("type": "string"),
1072 "Vec<String>" => set! {
1074 "items": { "type": "string" },
1076 "Vec<PathBuf>" => set! {
1078 "items": { "type": "string" },
1080 "FxHashSet<String>" => set! {
1082 "items": { "type": "string" },
1083 "uniqueItems": true,
1085 "FxHashMap<String, String>" => set! {
1088 "Option<usize>" => set! {
1089 "type": ["null", "integer"],
1092 "Option<String>" => set! {
1093 "type": ["null", "string"],
1095 "Option<PathBuf>" => set! {
1096 "type": ["null", "string"],
1098 "Option<bool>" => set! {
1099 "type": ["null", "boolean"],
1101 "Option<Vec<String>>" => set! {
1102 "type": ["null", "array"],
1103 "items": { "type": "string" },
1105 "MergeBehaviorDef" => set! {
1107 "enum": ["none", "crate", "module"],
1108 "enumDescriptions": [
1109 "Do not merge imports at all.",
1110 "Merge imports from the same crate into a single `use` statement.",
1111 "Merge imports from the same module into a single `use` statement."
1114 "ImportGranularityDef" => set! {
1116 "enum": ["preserve", "crate", "module", "item"],
1117 "enumDescriptions": [
1118 "Do not change the granularity of any imports and preserve the original structure written by the developer.",
1119 "Merge imports from the same crate into a single use statement. Conversely, imports from different crates are split into separate statements.",
1120 "Merge imports from the same module into a single use statement. Conversely, imports from different modules are split into separate statements.",
1121 "Flatten imports so that each has its own use statement."
1124 "ImportPrefixDef" => set! {
1131 "enumDescriptions": [
1132 "Insert import paths relative to the current module, using up to one `super` prefix if the parent module contains the requested item.",
1133 "Insert import paths relative to the current module, using up to one `super` prefix if the parent module contains the requested item. Prefixes `self` in front of the path if it starts with a module.",
1134 "Force import paths to be absolute by always starting them with `crate` or the extern crate name they come from."
1137 "Vec<ManifestOrProjectJson>" => set! {
1139 "items": { "type": ["string", "object"] },
1141 "WorskpaceSymbolSearchScopeDef" => set! {
1143 "enum": ["workspace", "workspace_and_dependencies"],
1144 "enumDescriptions": [
1145 "Search in current workspace only",
1146 "Search in current workspace and dependencies"
1149 "WorskpaceSymbolSearchKindDef" => set! {
1151 "enum": ["only_types", "all_symbols"],
1152 "enumDescriptions": [
1153 "Search for types only",
1154 "Search for all symbols kinds"
1157 _ => panic!("{}: {}", ty, default),
1164 fn manual(fields: &[(&'static str, &'static str, &[&str], &str)]) -> String {
1167 .map(|(field, _ty, doc, default)| {
1168 let name = format!("rust-analyzer.{}", field.replace("_", "."));
1169 let doc = doc_comment_to_string(*doc);
1170 format!("[[{}]]{} (default: `{}`)::\n+\n--\n{}--\n", name, name, default, doc)
1172 .collect::<String>()
1175 fn doc_comment_to_string(doc: &[&str]) -> String {
1176 doc.iter().map(|it| it.strip_prefix(' ').unwrap_or(it)).map(|it| format!("{}\n", it)).collect()
1183 use test_utils::{ensure_file_contents, project_root};
1188 fn generate_package_json_config() {
1189 let s = Config::json_schema();
1190 let schema = format!("{:#}", s);
1191 let mut schema = schema
1192 .trim_start_matches('{')
1193 .trim_end_matches('}')
1195 .replace("\n", "\n ")
1196 .trim_start_matches('\n')
1199 schema.push_str(",\n");
1201 let package_json_path = project_root().join("editors/code/package.json");
1202 let mut package_json = fs::read_to_string(&package_json_path).unwrap();
1204 let start_marker = " \"$generated-start\": {},\n";
1205 let end_marker = " \"$generated-end\": {}\n";
1207 let start = package_json.find(start_marker).unwrap() + start_marker.len();
1208 let end = package_json.find(end_marker).unwrap();
1210 let p = remove_ws(&package_json[start..end]);
1211 let s = remove_ws(&schema);
1212 if !p.contains(&s) {
1213 package_json.replace_range(start..end, &schema);
1214 ensure_file_contents(&package_json_path, &package_json)
1219 fn generate_config_documentation() {
1220 let docs_path = project_root().join("docs/user/generated_config.adoc");
1221 let expected = ConfigData::manual();
1222 ensure_file_contents(&docs_path, &expected);
1225 fn remove_ws(text: &str) -> String {
1226 text.replace(char::is_whitespace, "")