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};
22 use project_model::{CargoConfig, ProjectJson, ProjectJsonData, ProjectManifest, RustcSource};
23 use rustc_hash::{FxHashMap, FxHashSet};
24 use serde::{de::DeserializeOwned, Deserialize};
28 caps::completion_item_edit_resolve, diagnostics::DiagnosticsMapConfig,
29 line_index::OffsetEncoding, lsp_ext::supports_utf8, lsp_ext::WorkspaceSymbolSearchKind,
30 lsp_ext::WorkspaceSymbolSearchScope,
33 // Defines the server-side configuration of the rust-analyzer. We generate
34 // *parts* of VS Code's `package.json` config from this.
36 // However, editor specific config, which the server doesn't know about, should
37 // be specified directly in `package.json`.
39 // To deprecate an option by replacing it with another name use `new_name | `old_name` so that we keep
40 // parsing the old name.
43 /// How imports should be grouped into use statements.
44 assist_importGranularity |
45 assist_importMergeBehavior |
46 assist_importMergeBehaviour: ImportGranularityDef = "\"crate\"",
47 /// 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.
48 assist_importEnforceGranularity: bool = "false",
49 /// The path structure for newly inserted paths to use.
50 assist_importPrefix: ImportPrefixDef = "\"plain\"",
51 /// Group inserted imports by the [following order](https://rust-analyzer.github.io/manual.html#auto-import). Groups are separated by newlines.
52 assist_importGroup: bool = "true",
53 /// Whether to allow import insertion to merge new imports into single path glob imports like `use std::fmt::*;`.
54 assist_allowMergingIntoGlobImports: bool = "true",
56 /// Show function name and docs in parameter hints.
57 callInfo_full: bool = "true",
59 /// Automatically refresh project info via `cargo metadata` on
60 /// `Cargo.toml` changes.
61 cargo_autoreload: bool = "true",
62 /// Activate all available features (`--all-features`).
63 cargo_allFeatures: bool = "false",
64 /// Unsets `#[cfg(test)]` for the specified crates.
65 cargo_unsetTest: Vec<String> = "[\"core\"]",
66 /// List of features to activate.
67 cargo_features: Vec<String> = "[]",
68 /// Run build scripts (`build.rs`) for more precise code analysis.
69 cargo_runBuildScripts |
70 cargo_loadOutDirsFromCheck: bool = "true",
71 /// Use `RUSTC_WRAPPER=rust-analyzer` when running build scripts to
72 /// avoid compiling unnecessary things.
73 cargo_useRustcWrapperForBuildScripts: bool = "true",
74 /// Do not activate the `default` feature.
75 cargo_noDefaultFeatures: bool = "false",
76 /// Compilation target (target triple).
77 cargo_target: Option<String> = "null",
78 /// Internal config for debugging, disables loading of sysroot crates.
79 cargo_noSysroot: bool = "false",
81 /// Run specified `cargo check` command for diagnostics on save.
82 checkOnSave_enable: bool = "true",
83 /// Check with all features (`--all-features`).
84 /// Defaults to `#rust-analyzer.cargo.allFeatures#`.
85 checkOnSave_allFeatures: Option<bool> = "null",
86 /// Check all targets and tests (`--all-targets`).
87 checkOnSave_allTargets: bool = "true",
88 /// Cargo command to use for `cargo check`.
89 checkOnSave_command: String = "\"check\"",
90 /// Do not activate the `default` feature.
91 checkOnSave_noDefaultFeatures: Option<bool> = "null",
92 /// Check for a specific target. Defaults to
93 /// `#rust-analyzer.cargo.target#`.
94 checkOnSave_target: Option<String> = "null",
95 /// Extra arguments for `cargo check`.
96 checkOnSave_extraArgs: Vec<String> = "[]",
97 /// List of features to activate. Defaults to
98 /// `#rust-analyzer.cargo.features#`.
99 checkOnSave_features: Option<Vec<String>> = "null",
100 /// Advanced option, fully override the command rust-analyzer uses for
101 /// checking. The command should include `--message-format=json` or
103 checkOnSave_overrideCommand: Option<Vec<String>> = "null",
105 /// Whether to add argument snippets when completing functions.
106 /// Only applies when `#rust-analyzer.completion.addCallParenthesis#` is set.
107 completion_addCallArgumentSnippets: bool = "true",
108 /// Whether to add parenthesis when completing functions.
109 completion_addCallParenthesis: bool = "true",
110 /// Whether to show postfix snippets like `dbg`, `if`, `not`, etc.
111 completion_postfix_enable: bool = "true",
112 /// Toggles the additional completions that automatically add imports when completed.
113 /// Note that your client must specify the `additionalTextEdits` LSP client capability to truly have this feature enabled.
114 completion_autoimport_enable: bool = "true",
115 /// Toggles the additional completions that automatically show method calls and field accesses
116 /// with `self` prefixed to them when inside a method.
117 completion_autoself_enable: bool = "true",
119 /// Whether to show native rust-analyzer diagnostics.
120 diagnostics_enable: bool = "true",
121 /// Whether to show experimental rust-analyzer diagnostics that might
122 /// have more false positives than usual.
123 diagnostics_enableExperimental: bool = "true",
124 /// List of rust-analyzer diagnostics to disable.
125 diagnostics_disabled: FxHashSet<String> = "[]",
126 /// Map of prefixes to be substituted when parsing diagnostic file paths.
127 /// This should be the reverse mapping of what is passed to `rustc` as `--remap-path-prefix`.
128 diagnostics_remapPrefix: FxHashMap<String, String> = "{}",
129 /// List of warnings that should be displayed with hint severity.
131 /// The warnings will be indicated by faded text or three dots in code
132 /// and will not show up in the `Problems Panel`.
133 diagnostics_warningsAsHint: Vec<String> = "[]",
134 /// List of warnings that should be displayed with info severity.
136 /// The warnings will be indicated by a blue squiggly underline in code
137 /// and a blue icon in the `Problems Panel`.
138 diagnostics_warningsAsInfo: Vec<String> = "[]",
140 /// Expand attribute macros.
141 experimental_procAttrMacros: bool = "false",
143 /// Controls file watching implementation.
144 files_watcher: String = "\"client\"",
145 /// These directories will be ignored by rust-analyzer. They are
146 /// relative to the workspace root, and globs are not supported. You may
147 /// also need to add the folders to Code's `files.watcherExclude`.
148 files_excludeDirs: Vec<PathBuf> = "[]",
150 /// Enables highlighting of related references while hovering your mouse above any identifier.
151 highlightRelated_references: bool = "true",
152 /// Enables highlighting of all exit points while hovering your mouse above any `return`, `?`, or return type arrow (`->`).
153 highlightRelated_exitPoints: bool = "true",
154 /// Enables highlighting of related references while hovering your mouse `break`, `loop`, `while`, or `for` keywords.
155 highlightRelated_breakPoints: bool = "true",
156 /// Enables highlighting of all break points for a loop or block context while hovering your mouse above any `async` or `await` keywords.
157 highlightRelated_yieldPoints: bool = "true",
159 /// Use semantic tokens for strings.
161 /// In some editors (e.g. vscode) semantic tokens override other highlighting grammars.
162 /// By disabling semantic tokens for strings, other grammars can be used to highlight
164 highlighting_strings: bool = "true",
166 /// Whether to show documentation on hover.
167 hover_documentation: bool = "true",
168 /// Use markdown syntax for links in hover.
170 hoverActions_linksInHover: bool = "true",
172 /// Whether to show `Debug` action. Only applies when
173 /// `#rust-analyzer.hoverActions.enable#` is set.
174 hoverActions_debug: bool = "true",
175 /// Whether to show HoverActions in Rust files.
176 hoverActions_enable: bool = "true",
177 /// Whether to show `Go to Type Definition` action. Only applies when
178 /// `#rust-analyzer.hoverActions.enable#` is set.
179 hoverActions_gotoTypeDef: bool = "true",
180 /// Whether to show `Implementations` action. Only applies when
181 /// `#rust-analyzer.hoverActions.enable#` is set.
182 hoverActions_implementations: bool = "true",
183 /// Whether to show `References` action. Only applies when
184 /// `#rust-analyzer.hoverActions.enable#` is set.
185 hoverActions_references: bool = "false",
186 /// Whether to show `Run` action. Only applies when
187 /// `#rust-analyzer.hoverActions.enable#` is set.
188 hoverActions_run: bool = "true",
190 /// Whether to show inlay type hints for method chains.
191 inlayHints_chainingHints: bool = "true",
192 /// Maximum length for inlay hints. Set to null to have an unlimited length.
193 inlayHints_maxLength: Option<usize> = "25",
194 /// Whether to show function parameter name inlay hints at the call
196 inlayHints_parameterHints: bool = "true",
197 /// Whether to show inlay type hints for variables.
198 inlayHints_typeHints: bool = "true",
200 /// Join lines inserts else between consecutive ifs.
201 joinLines_joinElseIf: bool = "true",
202 /// Join lines removes trailing commas.
203 joinLines_removeTrailingComma: bool = "true",
204 /// Join lines unwraps trivial blocks.
205 joinLines_unwrapTrivialBlock: bool = "true",
207 /// Whether to show `Debug` lens. Only applies when
208 /// `#rust-analyzer.lens.enable#` is set.
209 lens_debug: bool = "true",
210 /// Whether to show CodeLens in Rust files.
211 lens_enable: bool = "true",
212 /// Whether to show `Implementations` lens. Only applies when
213 /// `#rust-analyzer.lens.enable#` is set.
214 lens_implementations: bool = "true",
215 /// Whether to show `Run` lens. Only applies when
216 /// `#rust-analyzer.lens.enable#` is set.
217 lens_run: bool = "true",
218 /// Whether to show `Method References` lens. Only applies when
219 /// `#rust-analyzer.lens.enable#` is set.
220 lens_methodReferences: bool = "false",
221 /// Whether to show `References` lens. Only applies when
222 /// `#rust-analyzer.lens.enable#` is set.
223 lens_references: bool = "false",
225 /// Disable project auto-discovery in favor of explicitly specified set
228 /// Elements must be paths pointing to `Cargo.toml`,
229 /// `rust-project.json`, or JSON objects in `rust-project.json` format.
230 linkedProjects: Vec<ManifestOrProjectJson> = "[]",
232 /// Number of syntax trees rust-analyzer keeps in memory. Defaults to 128.
233 lruCapacity: Option<usize> = "null",
235 /// Whether to show `can't find Cargo.toml` error message.
236 notifications_cargoTomlNotFound: bool = "true",
238 /// Enable support for procedural macros, implies `#rust-analyzer.cargo.runBuildScripts#`.
239 procMacro_enable: bool = "true",
240 /// Internal config, path to proc-macro server executable (typically,
241 /// this is rust-analyzer itself, but we override this in tests).
242 procMacro_server: Option<PathBuf> = "null",
244 /// Command to be executed instead of 'cargo' for runnables.
245 runnables_overrideCargo: Option<String> = "null",
246 /// Additional arguments to be passed to cargo for runnables such as
247 /// tests or binaries. For example, it may be `--release`.
248 runnables_cargoExtraArgs: Vec<String> = "[]",
250 /// Path to the Cargo.toml of the rust compiler workspace, for usage in rustc_private
251 /// projects, or "discover" to try to automatically find it.
253 /// Any project which uses rust-analyzer with the rustcPrivate
254 /// crates must set `[package.metadata.rust-analyzer] rustc_private=true` to use it.
256 /// This option is not reloaded automatically; you must restart rust-analyzer for it to take effect.
257 rustcSource: Option<String> = "null",
259 /// Additional arguments to `rustfmt`.
260 rustfmt_extraArgs: Vec<String> = "[]",
261 /// Advanced option, fully override the command rust-analyzer uses for
263 rustfmt_overrideCommand: Option<Vec<String>> = "null",
264 /// Enables the use of rustfmt's unstable range formatting command for the
265 /// `textDocument/rangeFormatting` request. The rustfmt option is unstable and only
266 /// available on a nightly build.
267 rustfmt_enableRangeFormatting: bool = "false",
269 /// Workspace symbol search scope.
270 workspace_symbol_search_scope: WorskpaceSymbolSearchScopeDef = "\"workspace\"",
271 /// Workspace symbol search kind.
272 workspace_symbol_search_kind: WorskpaceSymbolSearchKindDef = "\"only_types\"",
276 impl Default for ConfigData {
277 fn default() -> Self {
278 ConfigData::from_json(serde_json::Value::Null)
282 #[derive(Debug, Clone)]
284 pub caps: lsp_types::ClientCapabilities,
286 detached_files: Vec<AbsPathBuf>,
287 pub discovered_projects: Option<Vec<ProjectManifest>>,
288 pub root_path: AbsPathBuf,
291 #[derive(Debug, Clone, Eq, PartialEq)]
292 pub enum LinkedProject {
293 ProjectManifest(ProjectManifest),
294 InlineJsonProject(ProjectJson),
297 impl From<ProjectManifest> for LinkedProject {
298 fn from(v: ProjectManifest) -> Self {
299 LinkedProject::ProjectManifest(v)
303 impl From<ProjectJson> for LinkedProject {
304 fn from(v: ProjectJson) -> Self {
305 LinkedProject::InlineJsonProject(v)
309 #[derive(Clone, Debug, PartialEq, Eq)]
310 pub struct LensConfig {
313 pub implementations: bool,
314 pub method_refs: bool,
315 pub refs: bool, // for Struct, Enum, Union and Trait
319 pub fn any(&self) -> bool {
320 self.implementations || self.runnable() || self.references()
323 pub fn none(&self) -> bool {
327 pub fn runnable(&self) -> bool {
328 self.run || self.debug
331 pub fn references(&self) -> bool {
332 self.method_refs || self.refs
336 #[derive(Clone, Debug, PartialEq, Eq)]
337 pub struct HoverActionsConfig {
338 pub implementations: bool,
339 pub references: bool,
342 pub goto_type_def: bool,
345 impl HoverActionsConfig {
346 pub const NO_ACTIONS: Self = Self {
347 implementations: false,
351 goto_type_def: false,
354 pub fn any(&self) -> bool {
355 self.implementations || self.references || self.runnable() || self.goto_type_def
358 pub fn none(&self) -> bool {
362 pub fn runnable(&self) -> bool {
363 self.run || self.debug
367 #[derive(Debug, Clone)]
368 pub struct FilesConfig {
369 pub watcher: FilesWatcher,
370 pub exclude: Vec<AbsPathBuf>,
373 #[derive(Debug, Clone)]
374 pub enum FilesWatcher {
379 #[derive(Debug, Clone)]
380 pub struct NotificationsConfig {
381 pub cargo_toml_not_found: bool,
384 #[derive(Debug, Clone)]
385 pub enum RustfmtConfig {
386 Rustfmt { extra_args: Vec<String>, enable_range_formatting: bool },
387 CustomCommand { command: String, args: Vec<String> },
390 /// Configuration for runnable items, such as `main` function or tests.
391 #[derive(Debug, Clone)]
392 pub struct RunnablesConfig {
393 /// Custom command to be executed instead of `cargo` for runnables.
394 pub override_cargo: Option<String>,
395 /// Additional arguments for the `cargo`, e.g. `--release`.
396 pub cargo_extra_args: Vec<String>,
399 /// Configuration for workspace symbol search requests.
400 #[derive(Debug, Clone)]
401 pub struct WorkspaceSymbolConfig {
402 /// In what scope should the symbol be searched in.
403 pub search_scope: WorkspaceSymbolSearchScope,
404 /// What kind of symbol is being search for.
405 pub search_kind: WorkspaceSymbolSearchKind,
409 pub fn new(root_path: AbsPathBuf, caps: ClientCapabilities) -> Self {
412 data: ConfigData::default(),
413 detached_files: Vec::new(),
414 discovered_projects: None,
418 pub fn update(&mut self, mut json: serde_json::Value) {
419 log::info!("updating config from JSON: {:#}", json);
420 if json.is_null() || json.as_object().map_or(false, |it| it.is_empty()) {
423 self.detached_files = get_field::<Vec<PathBuf>>(&mut json, "detachedFiles", None, "[]")
425 .map(AbsPathBuf::assert)
427 self.data = ConfigData::from_json(json);
430 pub fn json_schema() -> serde_json::Value {
431 ConfigData::json_schema()
437 || -> _ { Some($expr) }()
440 macro_rules! try_or {
441 ($expr:expr, $or:expr) => {
442 try_!($expr).unwrap_or($or)
447 pub fn linked_projects(&self) -> Vec<LinkedProject> {
448 if self.data.linkedProjects.is_empty() {
449 self.discovered_projects
454 .map(LinkedProject::from)
460 .filter_map(|linked_project| {
461 let res = match linked_project {
462 ManifestOrProjectJson::Manifest(it) => {
463 let path = self.root_path.join(it);
464 ProjectManifest::from_manifest_file(path)
465 .map_err(|e| log::error!("failed to load linked project: {}", e))
469 ManifestOrProjectJson::ProjectJson(it) => {
470 ProjectJson::new(&self.root_path, it.clone()).into()
479 pub fn detached_files(&self) -> &[AbsPathBuf] {
483 pub fn did_save_text_document_dynamic_registration(&self) -> bool {
485 try_or!(self.caps.text_document.as_ref()?.synchronization.clone()?, Default::default());
486 caps.did_save == Some(true) && caps.dynamic_registration == Some(true)
488 pub fn did_change_watched_files_dynamic_registration(&self) -> bool {
490 self.caps.workspace.as_ref()?.did_change_watched_files.as_ref()?.dynamic_registration?,
495 pub fn location_link(&self) -> bool {
496 try_or!(self.caps.text_document.as_ref()?.definition?.link_support?, false)
498 pub fn line_folding_only(&self) -> bool {
499 try_or!(self.caps.text_document.as_ref()?.folding_range.as_ref()?.line_folding_only?, false)
501 pub fn hierarchical_symbols(&self) -> bool {
508 .hierarchical_document_symbol_support?,
512 pub fn code_action_literals(&self) -> bool {
519 .code_action_literal_support
523 pub fn work_done_progress(&self) -> bool {
524 try_or!(self.caps.window.as_ref()?.work_done_progress?, false)
526 pub fn will_rename(&self) -> bool {
527 try_or!(self.caps.workspace.as_ref()?.file_operations.as_ref()?.will_rename?, false)
529 pub fn change_annotation_support(&self) -> bool {
536 .change_annotation_support
540 pub fn code_action_resolve(&self) -> bool {
554 .any(|it| it == "edit")
556 pub fn signature_help_label_offsets(&self) -> bool {
563 .signature_information
565 .parameter_information
567 .label_offset_support?,
571 pub fn offset_encoding(&self) -> OffsetEncoding {
572 if supports_utf8(&self.caps) {
575 OffsetEncoding::Utf16
579 fn experimental(&self, index: &'static str) -> bool {
580 try_or!(self.caps.experimental.as_ref()?.get(index)?.as_bool()?, false)
582 pub fn code_action_group(&self) -> bool {
583 self.experimental("codeActionGroup")
585 pub fn server_status_notification(&self) -> bool {
586 self.experimental("serverStatusNotification")
589 pub fn publish_diagnostics(&self) -> bool {
590 self.data.diagnostics_enable
592 pub fn diagnostics(&self) -> DiagnosticsConfig {
594 disable_experimental: !self.data.diagnostics_enableExperimental,
595 disabled: self.data.diagnostics_disabled.clone(),
598 pub fn diagnostics_map(&self) -> DiagnosticsMapConfig {
599 DiagnosticsMapConfig {
600 remap_prefix: self.data.diagnostics_remapPrefix.clone(),
601 warnings_as_info: self.data.diagnostics_warningsAsInfo.clone(),
602 warnings_as_hint: self.data.diagnostics_warningsAsHint.clone(),
605 pub fn lru_capacity(&self) -> Option<usize> {
606 self.data.lruCapacity
608 pub fn proc_macro_srv(&self) -> Option<(AbsPathBuf, Vec<OsString>)> {
609 if !self.data.procMacro_enable {
612 let path = match &self.data.procMacro_server {
613 Some(it) => self.root_path.join(it),
614 None => AbsPathBuf::assert(std::env::current_exe().ok()?),
616 Some((path, vec!["proc-macro".into()]))
618 pub fn expand_proc_attr_macros(&self) -> bool {
619 self.data.experimental_procAttrMacros
621 pub fn files(&self) -> FilesConfig {
623 watcher: match self.data.files_watcher.as_str() {
624 "notify" => FilesWatcher::Notify,
625 "client" | _ => FilesWatcher::Client,
627 exclude: self.data.files_excludeDirs.iter().map(|it| self.root_path.join(it)).collect(),
630 pub fn notifications(&self) -> NotificationsConfig {
631 NotificationsConfig { cargo_toml_not_found: self.data.notifications_cargoTomlNotFound }
633 pub fn cargo_autoreload(&self) -> bool {
634 self.data.cargo_autoreload
636 pub fn run_build_scripts(&self) -> bool {
637 self.data.cargo_runBuildScripts || self.data.procMacro_enable
639 pub fn cargo(&self) -> CargoConfig {
640 let rustc_source = self.data.rustcSource.as_ref().map(|rustc_src| {
641 if rustc_src == "discover" {
642 RustcSource::Discover
644 RustcSource::Path(self.root_path.join(rustc_src))
649 no_default_features: self.data.cargo_noDefaultFeatures,
650 all_features: self.data.cargo_allFeatures,
651 features: self.data.cargo_features.clone(),
652 target: self.data.cargo_target.clone(),
654 no_sysroot: self.data.cargo_noSysroot,
655 unset_test_crates: self.data.cargo_unsetTest.clone(),
656 wrap_rustc_in_build_scripts: self.data.cargo_useRustcWrapperForBuildScripts,
660 pub fn rustfmt(&self) -> RustfmtConfig {
661 match &self.data.rustfmt_overrideCommand {
662 Some(args) if !args.is_empty() => {
663 let mut args = args.clone();
664 let command = args.remove(0);
665 RustfmtConfig::CustomCommand { command, args }
667 Some(_) | None => RustfmtConfig::Rustfmt {
668 extra_args: self.data.rustfmt_extraArgs.clone(),
669 enable_range_formatting: self.data.rustfmt_enableRangeFormatting,
673 pub fn flycheck(&self) -> Option<FlycheckConfig> {
674 if !self.data.checkOnSave_enable {
677 let flycheck_config = match &self.data.checkOnSave_overrideCommand {
678 Some(args) if !args.is_empty() => {
679 let mut args = args.clone();
680 let command = args.remove(0);
681 FlycheckConfig::CustomCommand { command, args }
683 Some(_) | None => FlycheckConfig::CargoCommand {
684 command: self.data.checkOnSave_command.clone(),
689 .or_else(|| self.data.cargo_target.clone()),
690 all_targets: self.data.checkOnSave_allTargets,
691 no_default_features: self
693 .checkOnSave_noDefaultFeatures
694 .unwrap_or(self.data.cargo_noDefaultFeatures),
697 .checkOnSave_allFeatures
698 .unwrap_or(self.data.cargo_allFeatures),
701 .checkOnSave_features
703 .unwrap_or_else(|| self.data.cargo_features.clone()),
704 extra_args: self.data.checkOnSave_extraArgs.clone(),
707 Some(flycheck_config)
709 pub fn runnables(&self) -> RunnablesConfig {
711 override_cargo: self.data.runnables_overrideCargo.clone(),
712 cargo_extra_args: self.data.runnables_cargoExtraArgs.clone(),
715 pub fn inlay_hints(&self) -> InlayHintsConfig {
717 type_hints: self.data.inlayHints_typeHints,
718 parameter_hints: self.data.inlayHints_parameterHints,
719 chaining_hints: self.data.inlayHints_chainingHints,
720 max_length: self.data.inlayHints_maxLength,
723 fn insert_use_config(&self) -> InsertUseConfig {
725 granularity: match self.data.assist_importGranularity {
726 ImportGranularityDef::Preserve => ImportGranularity::Preserve,
727 ImportGranularityDef::Item => ImportGranularity::Item,
728 ImportGranularityDef::Crate => ImportGranularity::Crate,
729 ImportGranularityDef::Module => ImportGranularity::Module,
731 enforce_granularity: self.data.assist_importEnforceGranularity,
732 prefix_kind: match self.data.assist_importPrefix {
733 ImportPrefixDef::Plain => PrefixKind::Plain,
734 ImportPrefixDef::ByCrate => PrefixKind::ByCrate,
735 ImportPrefixDef::BySelf => PrefixKind::BySelf,
737 group: self.data.assist_importGroup,
738 skip_glob_imports: !self.data.assist_allowMergingIntoGlobImports,
741 pub fn completion(&self) -> CompletionConfig {
743 enable_postfix_completions: self.data.completion_postfix_enable,
744 enable_imports_on_the_fly: self.data.completion_autoimport_enable
745 && completion_item_edit_resolve(&self.caps),
746 enable_self_on_the_fly: self.data.completion_autoself_enable,
747 add_call_parenthesis: self.data.completion_addCallParenthesis,
748 add_call_argument_snippets: self.data.completion_addCallArgumentSnippets,
749 insert_use: self.insert_use_config(),
750 snippet_cap: SnippetCap::new(try_or!(
763 pub fn assist(&self) -> AssistConfig {
765 snippet_cap: SnippetCap::new(self.experimental("snippetTextEdit")),
767 insert_use: self.insert_use_config(),
770 pub fn join_lines(&self) -> JoinLinesConfig {
772 join_else_if: self.data.joinLines_joinElseIf,
773 remove_trailing_comma: self.data.joinLines_removeTrailingComma,
774 unwrap_trivial_blocks: self.data.joinLines_unwrapTrivialBlock,
777 pub fn call_info_full(&self) -> bool {
778 self.data.callInfo_full
780 pub fn lens(&self) -> LensConfig {
782 run: self.data.lens_enable && self.data.lens_run,
783 debug: self.data.lens_enable && self.data.lens_debug,
784 implementations: self.data.lens_enable && self.data.lens_implementations,
785 method_refs: self.data.lens_enable && self.data.lens_methodReferences,
786 refs: self.data.lens_enable && self.data.lens_references,
789 pub fn hover_actions(&self) -> HoverActionsConfig {
790 let enable = self.experimental("hoverActions") && self.data.hoverActions_enable;
792 implementations: enable && self.data.hoverActions_implementations,
793 references: enable && self.data.hoverActions_references,
794 run: enable && self.data.hoverActions_run,
795 debug: enable && self.data.hoverActions_debug,
796 goto_type_def: enable && self.data.hoverActions_gotoTypeDef,
799 pub fn highlighting_strings(&self) -> bool {
800 self.data.highlighting_strings
802 pub fn hover(&self) -> HoverConfig {
804 links_in_hover: self.data.hover_linksInHover,
805 documentation: self.data.hover_documentation.then(|| {
806 let is_markdown = try_or!(
817 .contains(&MarkupKind::Markdown);
819 HoverDocFormat::Markdown
821 HoverDocFormat::PlainText
827 pub fn workspace_symbol(&self) -> WorkspaceSymbolConfig {
828 WorkspaceSymbolConfig {
829 search_scope: match self.data.workspace_symbol_search_scope {
830 WorskpaceSymbolSearchScopeDef::Workspace => WorkspaceSymbolSearchScope::Workspace,
831 WorskpaceSymbolSearchScopeDef::WorkspaceAndDependencies => {
832 WorkspaceSymbolSearchScope::WorkspaceAndDependencies
835 search_kind: match self.data.workspace_symbol_search_kind {
836 WorskpaceSymbolSearchKindDef::OnlyTypes => WorkspaceSymbolSearchKind::OnlyTypes,
837 WorskpaceSymbolSearchKindDef::AllSymbols => WorkspaceSymbolSearchKind::AllSymbols,
842 pub fn semantic_tokens_refresh(&self) -> bool {
843 try_or!(self.caps.workspace.as_ref()?.semantic_tokens.as_ref()?.refresh_support?, false)
845 pub fn code_lens_refresh(&self) -> bool {
846 try_or!(self.caps.workspace.as_ref()?.code_lens.as_ref()?.refresh_support?, false)
848 pub fn insert_replace_support(&self) -> bool {
857 .insert_replace_support?,
862 pub fn highlight_related(&self) -> HighlightRelatedConfig {
863 HighlightRelatedConfig {
864 references: self.data.highlightRelated_references,
865 break_points: self.data.highlightRelated_breakPoints,
866 exit_points: self.data.highlightRelated_exitPoints,
867 yield_points: self.data.highlightRelated_yieldPoints,
872 #[derive(Deserialize, Debug, Clone)]
874 enum ManifestOrProjectJson {
876 ProjectJson(ProjectJsonData),
879 #[derive(Deserialize, Debug, Clone)]
880 #[serde(rename_all = "snake_case")]
881 enum ImportGranularityDef {
883 #[serde(alias = "none")]
885 #[serde(alias = "full")]
887 #[serde(alias = "last")]
891 #[derive(Deserialize, Debug, Clone)]
892 #[serde(rename_all = "snake_case")]
893 enum ImportPrefixDef {
895 #[serde(alias = "self")]
897 #[serde(alias = "crate")]
901 #[derive(Deserialize, Debug, Clone)]
902 #[serde(rename_all = "snake_case")]
903 enum WorskpaceSymbolSearchScopeDef {
905 WorkspaceAndDependencies,
908 #[derive(Deserialize, Debug, Clone)]
909 #[serde(rename_all = "snake_case")]
910 enum WorskpaceSymbolSearchKindDef {
915 macro_rules! _config_data {
916 (struct $name:ident {
918 $(#[doc=$doc:literal])*
919 $field:ident $(| $alias:ident)*: $ty:ty = $default:expr,
922 #[allow(non_snake_case)]
923 #[derive(Debug, Clone)]
924 struct $name { $($field: $ty,)* }
926 fn from_json(mut json: serde_json::Value) -> $name {
931 None$(.or(Some(stringify!($alias))))*,
937 fn json_schema() -> serde_json::Value {
940 let field = stringify!($field);
941 let ty = stringify!($ty);
943 (field, ty, &[$($doc),*], $default)
949 fn manual() -> String {
952 let field = stringify!($field);
953 let ty = stringify!($ty);
955 (field, ty, &[$($doc),*], $default)
962 use _config_data as config_data;
964 fn get_field<T: DeserializeOwned>(
965 json: &mut serde_json::Value,
967 alias: Option<&'static str>,
970 let default = serde_json::from_str(default).unwrap();
972 // XXX: check alias first, to work-around the VS Code where it pre-fills the
973 // defaults instead of sending an empty object.
976 .chain(iter::once(field))
977 .find_map(move |field| {
978 let mut pointer = field.replace('_', "/");
979 pointer.insert(0, '/');
980 json.pointer_mut(&pointer).and_then(|it| serde_json::from_value(it.take()).ok())
985 fn schema(fields: &[(&'static str, &'static str, &[&str], &str)]) -> serde_json::Value {
986 for ((f1, ..), (f2, ..)) in fields.iter().zip(&fields[1..]) {
987 fn key(f: &str) -> &str {
988 f.splitn(2, '_').next().unwrap()
990 assert!(key(f1) <= key(f2), "wrong field order: {:?} {:?}", f1, f2);
995 .map(|(field, ty, doc, default)| {
996 let name = field.replace("_", ".");
997 let name = format!("rust-analyzer.{}", name);
998 let props = field_props(field, ty, doc, default);
1001 .collect::<serde_json::Map<_, _>>();
1005 fn field_props(field: &str, ty: &str, doc: &[&str], default: &str) -> serde_json::Value {
1006 let doc = doc_comment_to_string(doc);
1007 let doc = doc.trim_end_matches('\n');
1009 doc.ends_with('.') && doc.starts_with(char::is_uppercase),
1010 "bad docs for {}: {:?}",
1014 let default = default.parse::<serde_json::Value>().unwrap();
1016 let mut map = serde_json::Map::default();
1018 ($($key:literal: $value:tt),*$(,)?) => {{$(
1019 map.insert($key.into(), serde_json::json!($value));
1022 set!("markdownDescription": doc);
1023 set!("default": default);
1026 "bool" => set!("type": "boolean"),
1027 "String" => set!("type": "string"),
1028 "Vec<String>" => set! {
1030 "items": { "type": "string" },
1032 "Vec<PathBuf>" => set! {
1034 "items": { "type": "string" },
1036 "FxHashSet<String>" => set! {
1038 "items": { "type": "string" },
1039 "uniqueItems": true,
1041 "FxHashMap<String, String>" => set! {
1044 "Option<usize>" => set! {
1045 "type": ["null", "integer"],
1048 "Option<String>" => set! {
1049 "type": ["null", "string"],
1051 "Option<PathBuf>" => set! {
1052 "type": ["null", "string"],
1054 "Option<bool>" => set! {
1055 "type": ["null", "boolean"],
1057 "Option<Vec<String>>" => set! {
1058 "type": ["null", "array"],
1059 "items": { "type": "string" },
1061 "MergeBehaviorDef" => set! {
1063 "enum": ["none", "crate", "module"],
1064 "enumDescriptions": [
1065 "Do not merge imports at all.",
1066 "Merge imports from the same crate into a single `use` statement.",
1067 "Merge imports from the same module into a single `use` statement."
1070 "ImportGranularityDef" => set! {
1072 "enum": ["preserve", "crate", "module", "item"],
1073 "enumDescriptions": [
1074 "Do not change the granularity of any imports and preserve the original structure written by the developer.",
1075 "Merge imports from the same crate into a single use statement. Conversely, imports from different crates are split into separate statements.",
1076 "Merge imports from the same module into a single use statement. Conversely, imports from different modules are split into separate statements.",
1077 "Flatten imports so that each has its own use statement."
1080 "ImportPrefixDef" => set! {
1087 "enumDescriptions": [
1088 "Insert import paths relative to the current module, using up to one `super` prefix if the parent module contains the requested item.",
1089 "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.",
1090 "Force import paths to be absolute by always starting them with `crate` or the extern crate name they come from."
1093 "Vec<ManifestOrProjectJson>" => set! {
1095 "items": { "type": ["string", "object"] },
1097 "WorskpaceSymbolSearchScopeDef" => set! {
1099 "enum": ["workspace", "workspace_and_dependencies"],
1100 "enumDescriptions": [
1101 "Search in current workspace only",
1102 "Search in current workspace and dependencies"
1105 "WorskpaceSymbolSearchKindDef" => set! {
1107 "enum": ["only_types", "all_symbols"],
1108 "enumDescriptions": [
1109 "Search for types only",
1110 "Search for all symbols kinds"
1113 _ => panic!("{}: {}", ty, default),
1120 fn manual(fields: &[(&'static str, &'static str, &[&str], &str)]) -> String {
1123 .map(|(field, _ty, doc, default)| {
1124 let name = format!("rust-analyzer.{}", field.replace("_", "."));
1125 let doc = doc_comment_to_string(*doc);
1126 format!("[[{}]]{} (default: `{}`)::\n+\n--\n{}--\n", name, name, default, doc)
1128 .collect::<String>()
1131 fn doc_comment_to_string(doc: &[&str]) -> String {
1132 doc.iter().map(|it| it.strip_prefix(' ').unwrap_or(it)).map(|it| format!("{}\n", it)).collect()
1139 use test_utils::{ensure_file_contents, project_root};
1144 fn generate_package_json_config() {
1145 let s = Config::json_schema();
1146 let schema = format!("{:#}", s);
1147 let mut schema = schema
1148 .trim_start_matches('{')
1149 .trim_end_matches('}')
1151 .replace("\n", "\n ")
1152 .trim_start_matches('\n')
1155 schema.push_str(",\n");
1157 let package_json_path = project_root().join("editors/code/package.json");
1158 let mut package_json = fs::read_to_string(&package_json_path).unwrap();
1160 let start_marker = " \"$generated-start\": {},\n";
1161 let end_marker = " \"$generated-end\": {}\n";
1163 let start = package_json.find(start_marker).unwrap() + start_marker.len();
1164 let end = package_json.find(end_marker).unwrap();
1166 let p = remove_ws(&package_json[start..end]);
1167 let s = remove_ws(&schema);
1168 if !p.contains(&s) {
1169 package_json.replace_range(start..end, &schema);
1170 ensure_file_contents(&package_json_path, &package_json)
1175 fn generate_config_documentation() {
1176 let docs_path = project_root().join("docs/user/generated_config.adoc");
1177 let expected = ConfigData::manual();
1178 ensure_file_contents(&docs_path, &expected);
1181 fn remove_ws(text: &str) -> String {
1182 text.replace(char::is_whitespace, "")