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 use ide::{AssistConfig, CompletionConfig, DiagnosticsConfig, HoverConfig, InlayHintsConfig};
15 use ide_db::helpers::{
16 insert_use::{InsertUseConfig, MergeBehavior},
19 use itertools::Itertools;
20 use lsp_types::{ClientCapabilities, MarkupKind};
21 use project_model::{CargoConfig, ProjectJson, ProjectJsonData, ProjectManifest, RustcSource};
22 use rustc_hash::FxHashSet;
23 use serde::{de::DeserializeOwned, Deserialize};
27 caps::completion_item_edit_resolve, diagnostics::DiagnosticsMapConfig,
28 line_index::OffsetEncoding, lsp_ext::supports_utf8,
33 /// The strategy to use when inserting new imports or merging imports.
34 assist_importMergeBehavior |
35 assist_importMergeBehaviour: MergeBehaviorDef = "\"full\"",
36 /// The path structure for newly inserted paths to use.
37 assist_importPrefix: ImportPrefixDef = "\"plain\"",
39 /// Show function name and docs in parameter hints.
40 callInfo_full: bool = "true",
42 /// Automatically refresh project info via `cargo metadata` on
43 /// `Cargo.toml` changes.
44 cargo_autoreload: bool = "true",
45 /// Activate all available features (`--all-features`).
46 cargo_allFeatures: bool = "false",
47 /// List of features to activate.
48 cargo_features: Vec<String> = "[]",
49 /// Run build scripts (`build.rs`) for more precise code analysis.
50 cargo_runBuildScripts |
51 cargo_loadOutDirsFromCheck: bool = "false",
52 /// Do not activate the `default` feature.
53 cargo_noDefaultFeatures: bool = "false",
54 /// Compilation target (target triple).
55 cargo_target: Option<String> = "null",
56 /// Internal config for debugging, disables loading of sysroot crates.
57 cargo_noSysroot: bool = "false",
59 /// Run specified `cargo check` command for diagnostics on save.
60 checkOnSave_enable: bool = "true",
61 /// Check with all features (`--all-features`).
62 /// Defaults to `#rust-analyzer.cargo.allFeatures#`.
63 checkOnSave_allFeatures: Option<bool> = "null",
64 /// Check all targets and tests (`--all-targets`).
65 checkOnSave_allTargets: bool = "true",
66 /// Cargo command to use for `cargo check`.
67 checkOnSave_command: String = "\"check\"",
68 /// Do not activate the `default` feature.
69 checkOnSave_noDefaultFeatures: Option<bool> = "null",
70 /// Check for a specific target. Defaults to
71 /// `#rust-analyzer.cargo.target#`.
72 checkOnSave_target: Option<String> = "null",
73 /// Extra arguments for `cargo check`.
74 checkOnSave_extraArgs: Vec<String> = "[]",
75 /// List of features to activate. Defaults to
76 /// `#rust-analyzer.cargo.features#`.
77 checkOnSave_features: Option<Vec<String>> = "null",
78 /// Advanced option, fully override the command rust-analyzer uses for
79 /// checking. The command should include `--message-format=json` or
81 checkOnSave_overrideCommand: Option<Vec<String>> = "null",
83 /// Whether to add argument snippets when completing functions.
84 completion_addCallArgumentSnippets: bool = "true",
85 /// Whether to add parenthesis when completing functions.
86 completion_addCallParenthesis: bool = "true",
87 /// Whether to show postfix snippets like `dbg`, `if`, `not`, etc.
88 completion_postfix_enable: bool = "true",
89 /// Toggles the additional completions that automatically add imports when completed.
90 /// Note that your client must specify the `additionalTextEdits` LSP client capability to truly have this feature enabled.
91 completion_autoimport_enable: bool = "true",
93 /// Whether to show native rust-analyzer diagnostics.
94 diagnostics_enable: bool = "true",
95 /// Whether to show experimental rust-analyzer diagnostics that might
96 /// have more false positives than usual.
97 diagnostics_enableExperimental: bool = "true",
98 /// List of rust-analyzer diagnostics to disable.
99 diagnostics_disabled: FxHashSet<String> = "[]",
100 /// List of warnings that should be displayed with info severity.\n\nThe
101 /// warnings will be indicated by a blue squiggly underline in code and
102 /// a blue icon in the `Problems Panel`.
103 diagnostics_warningsAsHint: Vec<String> = "[]",
104 /// List of warnings that should be displayed with hint severity.\n\nThe
105 /// warnings will be indicated by faded text or three dots in code and
106 /// will not show up in the `Problems Panel`.
107 diagnostics_warningsAsInfo: Vec<String> = "[]",
109 /// Controls file watching implementation.
110 files_watcher: String = "\"client\"",
111 /// These directories will be ignored by rust-analyzer.
112 files_excludeDirs: Vec<PathBuf> = "[]",
114 /// Whether to show `Debug` action. Only applies when
115 /// `#rust-analyzer.hoverActions.enable#` is set.
116 hoverActions_debug: bool = "true",
117 /// Whether to show HoverActions in Rust files.
118 hoverActions_enable: bool = "true",
119 /// Whether to show `Go to Type Definition` action. Only applies when
120 /// `#rust-analyzer.hoverActions.enable#` is set.
121 hoverActions_gotoTypeDef: bool = "true",
122 /// Whether to show `Implementations` action. Only applies when
123 /// `#rust-analyzer.hoverActions.enable#` is set.
124 hoverActions_implementations: bool = "true",
125 /// Whether to show `Run` action. Only applies when
126 /// `#rust-analyzer.hoverActions.enable#` is set.
127 hoverActions_run: bool = "true",
128 /// Use markdown syntax for links in hover.
129 hoverActions_linksInHover: bool = "true",
131 /// Whether to show inlay type hints for method chains.
132 inlayHints_chainingHints: bool = "true",
133 /// Maximum length for inlay hints. Default is unlimited.
134 inlayHints_maxLength: Option<usize> = "null",
135 /// Whether to show function parameter name inlay hints at the call
137 inlayHints_parameterHints: bool = "true",
138 /// Whether to show inlay type hints for variables.
139 inlayHints_typeHints: bool = "true",
141 /// Whether to show `Debug` lens. Only applies when
142 /// `#rust-analyzer.lens.enable#` is set.
143 lens_debug: bool = "true",
144 /// Whether to show CodeLens in Rust files.
145 lens_enable: bool = "true",
146 /// Whether to show `Implementations` lens. Only applies when
147 /// `#rust-analyzer.lens.enable#` is set.
148 lens_implementations: bool = "true",
149 /// Whether to show `Run` lens. Only applies when
150 /// `#rust-analyzer.lens.enable#` is set.
151 lens_run: bool = "true",
152 /// Whether to show `Method References` lens. Only applies when
153 /// `#rust-analyzer.lens.enable#` is set.
154 lens_methodReferences: bool = "false",
155 /// Whether to show `References` lens. Only applies when
156 /// `#rust-analyzer.lens.enable#` is set.
157 lens_references: bool = "false",
159 /// Disable project auto-discovery in favor of explicitly specified set
160 /// of projects.\n\nElements must be paths pointing to `Cargo.toml`,
161 /// `rust-project.json`, or JSON objects in `rust-project.json` format.
162 linkedProjects: Vec<ManifestOrProjectJson> = "[]",
164 /// Number of syntax trees rust-analyzer keeps in memory. Defaults to 128.
165 lruCapacity: Option<usize> = "null",
167 /// Whether to show `can't find Cargo.toml` error message.
168 notifications_cargoTomlNotFound: bool = "true",
170 /// Enable support for procedural macros, implies `#rust-analyzer.cargo.runBuildScripts#`.
171 procMacro_enable: bool = "false",
172 /// Internal config, path to proc-macro server executable (typically,
173 /// this is rust-analyzer itself, but we override this in tests).
174 procMacro_server: Option<PathBuf> = "null",
176 /// Command to be executed instead of 'cargo' for runnables.
177 runnables_overrideCargo: Option<String> = "null",
178 /// Additional arguments to be passed to cargo for runnables such as
179 /// tests or binaries.\nFor example, it may be `--release`.
180 runnables_cargoExtraArgs: Vec<String> = "[]",
182 /// Path to the rust compiler sources, for usage in rustc_private projects, or "discover"
183 /// to try to automatically find it.
184 rustcSource : Option<String> = "null",
186 /// Additional arguments to `rustfmt`.
187 rustfmt_extraArgs: Vec<String> = "[]",
188 /// Advanced option, fully override the command rust-analyzer uses for
190 rustfmt_overrideCommand: Option<Vec<String>> = "null",
194 impl Default for ConfigData {
195 fn default() -> Self {
196 ConfigData::from_json(serde_json::Value::Null)
200 #[derive(Debug, Clone)]
202 caps: lsp_types::ClientCapabilities,
204 pub discovered_projects: Option<Vec<ProjectManifest>>,
205 pub root_path: AbsPathBuf,
208 #[derive(Debug, Clone, Eq, PartialEq)]
209 pub enum LinkedProject {
210 ProjectManifest(ProjectManifest),
211 InlineJsonProject(ProjectJson),
214 impl From<ProjectManifest> for LinkedProject {
215 fn from(v: ProjectManifest) -> Self {
216 LinkedProject::ProjectManifest(v)
220 impl From<ProjectJson> for LinkedProject {
221 fn from(v: ProjectJson) -> Self {
222 LinkedProject::InlineJsonProject(v)
226 #[derive(Clone, Debug, PartialEq, Eq)]
227 pub struct LensConfig {
230 pub implementations: bool,
231 pub method_refs: bool,
232 pub refs: bool, // for Struct, Enum, Union and Trait
236 pub fn any(&self) -> bool {
237 self.implementations || self.runnable() || self.references()
240 pub fn none(&self) -> bool {
244 pub fn runnable(&self) -> bool {
245 self.run || self.debug
248 pub fn references(&self) -> bool {
249 self.method_refs || self.refs
253 #[derive(Debug, Clone)]
254 pub struct FilesConfig {
255 pub watcher: FilesWatcher,
256 pub exclude: Vec<AbsPathBuf>,
259 #[derive(Debug, Clone)]
260 pub enum FilesWatcher {
265 #[derive(Debug, Clone)]
266 pub struct NotificationsConfig {
267 pub cargo_toml_not_found: bool,
270 #[derive(Debug, Clone)]
271 pub enum RustfmtConfig {
272 Rustfmt { extra_args: Vec<String> },
273 CustomCommand { command: String, args: Vec<String> },
276 /// Configuration for runnable items, such as `main` function or tests.
277 #[derive(Debug, Clone)]
278 pub struct RunnablesConfig {
279 /// Custom command to be executed instead of `cargo` for runnables.
280 pub override_cargo: Option<String>,
281 /// Additional arguments for the `cargo`, e.g. `--release`.
282 pub cargo_extra_args: Vec<String>,
286 pub fn new(root_path: AbsPathBuf, caps: ClientCapabilities) -> Self {
287 Config { caps, data: ConfigData::default(), discovered_projects: None, root_path }
289 pub fn update(&mut self, json: serde_json::Value) {
290 log::info!("updating config from JSON: {:#}", json);
291 if json.is_null() || json.as_object().map_or(false, |it| it.is_empty()) {
294 self.data = ConfigData::from_json(json);
297 pub fn json_schema() -> serde_json::Value {
298 ConfigData::json_schema()
304 || -> _ { Some($expr) }()
307 macro_rules! try_or {
308 ($expr:expr, $or:expr) => {
309 try_!($expr).unwrap_or($or)
314 pub fn linked_projects(&self) -> Vec<LinkedProject> {
315 if self.data.linkedProjects.is_empty() {
316 self.discovered_projects
321 .map(LinkedProject::from)
327 .filter_map(|linked_project| {
328 let res = match linked_project {
329 ManifestOrProjectJson::Manifest(it) => {
330 let path = self.root_path.join(it);
331 ProjectManifest::from_manifest_file(path)
332 .map_err(|e| log::error!("failed to load linked project: {}", e))
336 ManifestOrProjectJson::ProjectJson(it) => {
337 ProjectJson::new(&self.root_path, it.clone()).into()
346 pub fn did_save_text_document_dynamic_registration(&self) -> bool {
348 try_or!(self.caps.text_document.as_ref()?.synchronization.clone()?, Default::default());
349 caps.did_save == Some(true) && caps.dynamic_registration == Some(true)
351 pub fn did_change_watched_files_dynamic_registration(&self) -> bool {
353 self.caps.workspace.as_ref()?.did_change_watched_files.as_ref()?.dynamic_registration?,
358 pub fn location_link(&self) -> bool {
359 try_or!(self.caps.text_document.as_ref()?.definition?.link_support?, false)
361 pub fn line_folding_only(&self) -> bool {
362 try_or!(self.caps.text_document.as_ref()?.folding_range.as_ref()?.line_folding_only?, false)
364 pub fn hierarchical_symbols(&self) -> bool {
371 .hierarchical_document_symbol_support?,
375 pub fn code_action_literals(&self) -> bool {
382 .code_action_literal_support
386 pub fn work_done_progress(&self) -> bool {
387 try_or!(self.caps.window.as_ref()?.work_done_progress?, false)
389 pub fn code_action_resolve(&self) -> bool {
403 .any(|it| it == "edit")
405 pub fn signature_help_label_offsets(&self) -> bool {
412 .signature_information
414 .parameter_information
416 .label_offset_support?,
420 pub fn offset_encoding(&self) -> OffsetEncoding {
421 if supports_utf8(&self.caps) {
424 OffsetEncoding::Utf16
428 fn experimental(&self, index: &'static str) -> bool {
429 try_or!(self.caps.experimental.as_ref()?.get(index)?.as_bool()?, false)
431 pub fn code_action_group(&self) -> bool {
432 self.experimental("codeActionGroup")
434 pub fn hover_actions(&self) -> bool {
435 self.experimental("hoverActions")
437 pub fn status_notification(&self) -> bool {
438 self.experimental("statusNotification")
441 pub fn publish_diagnostics(&self) -> bool {
442 self.data.diagnostics_enable
444 pub fn diagnostics(&self) -> DiagnosticsConfig {
446 disable_experimental: !self.data.diagnostics_enableExperimental,
447 disabled: self.data.diagnostics_disabled.clone(),
450 pub fn diagnostics_map(&self) -> DiagnosticsMapConfig {
451 DiagnosticsMapConfig {
452 warnings_as_info: self.data.diagnostics_warningsAsInfo.clone(),
453 warnings_as_hint: self.data.diagnostics_warningsAsHint.clone(),
456 pub fn lru_capacity(&self) -> Option<usize> {
457 self.data.lruCapacity
459 pub fn proc_macro_srv(&self) -> Option<(PathBuf, Vec<OsString>)> {
460 if !self.data.procMacro_enable {
464 let path = self.data.procMacro_server.clone().or_else(|| std::env::current_exe().ok())?;
465 Some((path, vec!["proc-macro".into()]))
467 pub fn files(&self) -> FilesConfig {
469 watcher: match self.data.files_watcher.as_str() {
470 "notify" => FilesWatcher::Notify,
471 "client" | _ => FilesWatcher::Client,
473 exclude: self.data.files_excludeDirs.iter().map(|it| self.root_path.join(it)).collect(),
476 pub fn notifications(&self) -> NotificationsConfig {
477 NotificationsConfig { cargo_toml_not_found: self.data.notifications_cargoTomlNotFound }
479 pub fn cargo_autoreload(&self) -> bool {
480 self.data.cargo_autoreload
482 pub fn run_build_scripts(&self) -> bool {
483 self.data.cargo_runBuildScripts || self.data.procMacro_enable
485 pub fn cargo(&self) -> CargoConfig {
486 let rustc_source = self.data.rustcSource.as_ref().map(|rustc_src| {
487 if rustc_src == "discover" {
488 RustcSource::Discover
490 RustcSource::Path(self.root_path.join(rustc_src))
495 no_default_features: self.data.cargo_noDefaultFeatures,
496 all_features: self.data.cargo_allFeatures,
497 features: self.data.cargo_features.clone(),
498 target: self.data.cargo_target.clone(),
500 no_sysroot: self.data.cargo_noSysroot,
503 pub fn rustfmt(&self) -> RustfmtConfig {
504 match &self.data.rustfmt_overrideCommand {
505 Some(args) if !args.is_empty() => {
506 let mut args = args.clone();
507 let command = args.remove(0);
508 RustfmtConfig::CustomCommand { command, args }
511 RustfmtConfig::Rustfmt { extra_args: self.data.rustfmt_extraArgs.clone() }
515 pub fn flycheck(&self) -> Option<FlycheckConfig> {
516 if !self.data.checkOnSave_enable {
519 let flycheck_config = match &self.data.checkOnSave_overrideCommand {
520 Some(args) if !args.is_empty() => {
521 let mut args = args.clone();
522 let command = args.remove(0);
523 FlycheckConfig::CustomCommand { command, args }
525 Some(_) | None => FlycheckConfig::CargoCommand {
526 command: self.data.checkOnSave_command.clone(),
531 .or_else(|| self.data.cargo_target.clone()),
532 all_targets: self.data.checkOnSave_allTargets,
533 no_default_features: self
535 .checkOnSave_noDefaultFeatures
536 .unwrap_or(self.data.cargo_noDefaultFeatures),
539 .checkOnSave_allFeatures
540 .unwrap_or(self.data.cargo_allFeatures),
543 .checkOnSave_features
545 .unwrap_or_else(|| self.data.cargo_features.clone()),
546 extra_args: self.data.checkOnSave_extraArgs.clone(),
549 Some(flycheck_config)
551 pub fn runnables(&self) -> RunnablesConfig {
553 override_cargo: self.data.runnables_overrideCargo.clone(),
554 cargo_extra_args: self.data.runnables_cargoExtraArgs.clone(),
557 pub fn inlay_hints(&self) -> InlayHintsConfig {
559 type_hints: self.data.inlayHints_typeHints,
560 parameter_hints: self.data.inlayHints_parameterHints,
561 chaining_hints: self.data.inlayHints_chainingHints,
562 max_length: self.data.inlayHints_maxLength,
565 fn insert_use_config(&self) -> InsertUseConfig {
567 merge: match self.data.assist_importMergeBehavior {
568 MergeBehaviorDef::None => None,
569 MergeBehaviorDef::Full => Some(MergeBehavior::Full),
570 MergeBehaviorDef::Last => Some(MergeBehavior::Last),
572 prefix_kind: match self.data.assist_importPrefix {
573 ImportPrefixDef::Plain => PrefixKind::Plain,
574 ImportPrefixDef::ByCrate => PrefixKind::ByCrate,
575 ImportPrefixDef::BySelf => PrefixKind::BySelf,
579 pub fn completion(&self) -> CompletionConfig {
581 enable_postfix_completions: self.data.completion_postfix_enable,
582 enable_imports_on_the_fly: self.data.completion_autoimport_enable
583 && completion_item_edit_resolve(&self.caps),
584 add_call_parenthesis: self.data.completion_addCallParenthesis,
585 add_call_argument_snippets: self.data.completion_addCallArgumentSnippets,
586 insert_use: self.insert_use_config(),
587 snippet_cap: SnippetCap::new(try_or!(
600 pub fn assist(&self) -> AssistConfig {
602 snippet_cap: SnippetCap::new(self.experimental("snippetTextEdit")),
604 insert_use: self.insert_use_config(),
607 pub fn call_info_full(&self) -> bool {
608 self.data.callInfo_full
610 pub fn lens(&self) -> LensConfig {
612 run: self.data.lens_enable && self.data.lens_run,
613 debug: self.data.lens_enable && self.data.lens_debug,
614 implementations: self.data.lens_enable && self.data.lens_implementations,
615 method_refs: self.data.lens_enable && self.data.lens_methodReferences,
616 refs: self.data.lens_enable && self.data.lens_references,
619 pub fn hover(&self) -> HoverConfig {
621 implementations: self.data.hoverActions_enable
622 && self.data.hoverActions_implementations,
623 run: self.data.hoverActions_enable && self.data.hoverActions_run,
624 debug: self.data.hoverActions_enable && self.data.hoverActions_debug,
625 goto_type_def: self.data.hoverActions_enable && self.data.hoverActions_gotoTypeDef,
626 links_in_hover: self.data.hoverActions_linksInHover,
638 .contains(&MarkupKind::Markdown),
641 pub fn semantic_tokens_refresh(&self) -> bool {
642 try_or!(self.caps.workspace.as_ref()?.semantic_tokens.as_ref()?.refresh_support?, false)
644 pub fn code_lens_refresh(&self) -> bool {
645 try_or!(self.caps.workspace.as_ref()?.code_lens.as_ref()?.refresh_support?, false)
649 #[derive(Deserialize, Debug, Clone)]
651 enum ManifestOrProjectJson {
653 ProjectJson(ProjectJsonData),
656 #[derive(Deserialize, Debug, Clone)]
657 #[serde(rename_all = "snake_case")]
658 enum MergeBehaviorDef {
664 #[derive(Deserialize, Debug, Clone)]
665 #[serde(rename_all = "snake_case")]
666 enum ImportPrefixDef {
672 macro_rules! _config_data {
673 (struct $name:ident {
675 $(#[doc=$doc:literal])*
676 $field:ident $(| $alias:ident)?: $ty:ty = $default:expr,
679 #[allow(non_snake_case)]
680 #[derive(Debug, Clone)]
681 struct $name { $($field: $ty,)* }
683 fn from_json(mut json: serde_json::Value) -> $name {
688 None$(.or(Some(stringify!($alias))))?,
694 fn json_schema() -> serde_json::Value {
697 let field = stringify!($field);
698 let ty = stringify!($ty);
699 (field, ty, &[$($doc),*], $default)
705 fn manual() -> String {
708 let field = stringify!($field);
709 let ty = stringify!($ty);
710 (field, ty, &[$($doc),*], $default)
717 use _config_data as config_data;
719 fn get_field<T: DeserializeOwned>(
720 json: &mut serde_json::Value,
722 alias: Option<&'static str>,
725 let default = serde_json::from_str(default).unwrap();
727 // XXX: check alias first, to work-around the VS Code where it pre-fills the
728 // defaults instead of sending an empty object.
731 .chain(iter::once(field))
732 .find_map(move |field| {
733 let mut pointer = field.replace('_', "/");
734 pointer.insert(0, '/');
735 json.pointer_mut(&pointer).and_then(|it| serde_json::from_value(it.take()).ok())
740 fn schema(fields: &[(&'static str, &'static str, &[&str], &str)]) -> serde_json::Value {
741 for ((f1, ..), (f2, ..)) in fields.iter().zip(&fields[1..]) {
742 fn key(f: &str) -> &str {
743 f.splitn(2, '_').next().unwrap()
745 assert!(key(f1) <= key(f2), "wrong field order: {:?} {:?}", f1, f2);
750 .map(|(field, ty, doc, default)| {
751 let name = field.replace("_", ".");
752 let name = format!("rust-analyzer.{}", name);
753 let props = field_props(field, ty, doc, default);
756 .collect::<serde_json::Map<_, _>>();
760 fn field_props(field: &str, ty: &str, doc: &[&str], default: &str) -> serde_json::Value {
761 let doc = doc.iter().map(|it| it.trim()).join(" ");
763 doc.ends_with('.') && doc.starts_with(char::is_uppercase),
764 "bad docs for {}: {:?}",
768 let default = default.parse::<serde_json::Value>().unwrap();
770 let mut map = serde_json::Map::default();
772 ($($key:literal: $value:tt),*$(,)?) => {{$(
773 map.insert($key.into(), serde_json::json!($value));
776 set!("markdownDescription": doc);
777 set!("default": default);
780 "bool" => set!("type": "boolean"),
781 "String" => set!("type": "string"),
782 "Vec<String>" => set! {
784 "items": { "type": "string" },
786 "Vec<PathBuf>" => set! {
788 "items": { "type": "string" },
790 "FxHashSet<String>" => set! {
792 "items": { "type": "string" },
795 "Option<usize>" => set! {
796 "type": ["null", "integer"],
799 "Option<String>" => set! {
800 "type": ["null", "string"],
802 "Option<PathBuf>" => set! {
803 "type": ["null", "string"],
805 "Option<bool>" => set! {
806 "type": ["null", "boolean"],
808 "Option<Vec<String>>" => set! {
809 "type": ["null", "array"],
810 "items": { "type": "string" },
812 "MergeBehaviorDef" => set! {
814 "enum": ["none", "full", "last"],
815 "enumDescriptions": [
817 "Merge all layers of the import trees",
818 "Only merge the last layer of the import trees"
821 "ImportPrefixDef" => set! {
828 "enumDescriptions": [
829 "Insert import paths relative to the current module, using up to one `super` prefix if the parent module contains the requested item.",
830 "Prefix all import paths with `self` if they don't begin with `self`, `super`, `crate` or a crate name.",
831 "Force import paths to be absolute by always starting them with `crate` or the crate name they refer to."
834 "Vec<ManifestOrProjectJson>" => set! {
836 "items": { "type": ["string", "object"] },
838 _ => panic!("{}: {}", ty, default),
845 fn manual(fields: &[(&'static str, &'static str, &[&str], &str)]) -> String {
848 .map(|(field, _ty, doc, default)| {
849 let name = format!("rust-analyzer.{}", field.replace("_", "."));
850 format!("[[{}]]{} (default: `{}`)::\n{}\n", name, name, default, doc.join(" "))
859 use test_utils::project_dir;
864 fn schema_in_sync_with_package_json() {
865 let s = Config::json_schema();
866 let schema = format!("{:#}", s);
867 let mut schema = schema
868 .trim_start_matches('{')
869 .trim_end_matches('}')
871 .replace("\n", "\n ")
872 .trim_start_matches('\n')
875 schema.push_str(",\n");
877 let package_json_path = project_dir().join("editors/code/package.json");
878 let mut package_json = fs::read_to_string(&package_json_path).unwrap();
880 let start_marker = " \"$generated-start\": false,\n";
881 let end_marker = " \"$generated-end\": false\n";
883 let start = package_json.find(start_marker).unwrap() + start_marker.len();
884 let end = package_json.find(end_marker).unwrap();
885 let p = remove_ws(&package_json[start..end]);
886 let s = remove_ws(&schema);
889 package_json.replace_range(start..end, &schema);
890 fs::write(&package_json_path, &mut package_json).unwrap();
891 panic!("new config, updating package.json")
896 fn schema_in_sync_with_docs() {
897 let docs_path = project_dir().join("docs/user/generated_config.adoc");
898 let current = fs::read_to_string(&docs_path).unwrap();
899 let expected = ConfigData::manual();
901 if remove_ws(¤t) != remove_ws(&expected) {
902 fs::write(&docs_path, expected).unwrap();
903 panic!("updated config manual");
907 fn remove_ws(text: &str) -> String {
908 text.replace(char::is_whitespace, "")