1 //! Advertizes the capabilities of the LSP Server.
4 use ide::CompletionResolveCapability;
6 CallHierarchyServerCapability, ClientCapabilities, CodeActionKind, CodeActionOptions,
7 CodeActionProviderCapability, CodeLensOptions, CompletionOptions,
8 DocumentOnTypeFormattingOptions, FileOperationFilter, FileOperationPattern,
9 FileOperationPatternKind, FileOperationRegistrationOptions, FoldingRangeProviderCapability,
10 HoverProviderCapability, ImplementationProviderCapability, OneOf, RenameOptions, SaveOptions,
11 SelectionRangeProviderCapability, SemanticTokensFullOptions, SemanticTokensLegend,
12 SemanticTokensOptions, ServerCapabilities, SignatureHelpOptions, TextDocumentSyncCapability,
13 TextDocumentSyncKind, TextDocumentSyncOptions, TypeDefinitionProviderCapability,
14 WorkDoneProgressOptions, WorkspaceFileOperationsServerCapabilities,
15 WorkspaceServerCapabilities,
17 use rustc_hash::FxHashSet;
20 use crate::semantic_tokens;
22 pub fn server_capabilities(client_caps: &ClientCapabilities) -> ServerCapabilities {
24 text_document_sync: Some(TextDocumentSyncCapability::Options(TextDocumentSyncOptions {
25 open_close: Some(true),
26 change: Some(if env::var("RA_NO_INCREMENTAL_SYNC").is_ok() {
27 TextDocumentSyncKind::Full
29 TextDocumentSyncKind::Incremental
32 will_save_wait_until: None,
33 save: Some(SaveOptions::default().into()),
35 hover_provider: Some(HoverProviderCapability::Simple(true)),
36 completion_provider: Some(CompletionOptions {
37 resolve_provider: completions_resolve_provider(client_caps),
38 trigger_characters: Some(vec![":".to_string(), ".".to_string()]),
39 work_done_progress_options: WorkDoneProgressOptions { work_done_progress: None },
41 signature_help_provider: Some(SignatureHelpOptions {
42 trigger_characters: Some(vec!["(".to_string(), ",".to_string()]),
43 retrigger_characters: None,
44 work_done_progress_options: WorkDoneProgressOptions { work_done_progress: None },
46 declaration_provider: None,
47 definition_provider: Some(OneOf::Left(true)),
48 type_definition_provider: Some(TypeDefinitionProviderCapability::Simple(true)),
49 implementation_provider: Some(ImplementationProviderCapability::Simple(true)),
50 references_provider: Some(OneOf::Left(true)),
51 document_highlight_provider: Some(OneOf::Left(true)),
52 document_symbol_provider: Some(OneOf::Left(true)),
53 workspace_symbol_provider: Some(OneOf::Left(true)),
54 code_action_provider: Some(code_action_capabilities(client_caps)),
55 code_lens_provider: Some(CodeLensOptions { resolve_provider: Some(true) }),
56 document_formatting_provider: Some(OneOf::Left(true)),
57 document_range_formatting_provider: None,
58 document_on_type_formatting_provider: Some(DocumentOnTypeFormattingOptions {
59 first_trigger_character: "=".to_string(),
60 more_trigger_character: Some(vec![".".to_string(), ">".to_string()]),
62 selection_range_provider: Some(SelectionRangeProviderCapability::Simple(true)),
63 semantic_highlighting: None,
64 folding_range_provider: Some(FoldingRangeProviderCapability::Simple(true)),
65 rename_provider: Some(OneOf::Right(RenameOptions {
66 prepare_provider: Some(true),
67 work_done_progress_options: WorkDoneProgressOptions { work_done_progress: None },
69 linked_editing_range_provider: None,
70 document_link_provider: None,
72 execute_command_provider: None,
73 workspace: Some(WorkspaceServerCapabilities {
74 workspace_folders: None,
75 file_operations: Some(WorkspaceFileOperationsServerCapabilities {
79 will_rename: Some(FileOperationRegistrationOptions {
80 filters: vec![FileOperationFilter {
81 scheme: Some(String::from("file")),
82 pattern: FileOperationPattern {
83 glob: String::from("**/*.rs"),
84 matches: Some(FileOperationPatternKind::File),
93 call_hierarchy_provider: Some(CallHierarchyServerCapability::Simple(true)),
94 semantic_tokens_provider: Some(
95 SemanticTokensOptions {
96 legend: SemanticTokensLegend {
97 token_types: semantic_tokens::SUPPORTED_TYPES.to_vec(),
98 token_modifiers: semantic_tokens::SUPPORTED_MODIFIERS.to_vec(),
101 full: Some(SemanticTokensFullOptions::Delta { delta: Some(true) }),
103 work_done_progress_options: Default::default(),
107 moniker_provider: None,
108 experimental: Some(json!({
112 "parentModule": true,
114 "kinds": [ "cargo" ],
120 fn completions_resolve_provider(client_caps: &ClientCapabilities) -> Option<bool> {
121 if enabled_completions_resolve_capabilities(client_caps)?.is_empty() {
122 log::info!("No `additionalTextEdits` completion resolve capability was found in the client capabilities, autoimport completion is disabled");
129 /// Parses client capabilities and returns all completion resolve capabilities rust-analyzer supports.
130 pub(crate) fn enabled_completions_resolve_capabilities(
131 caps: &ClientCapabilities,
132 ) -> Option<FxHashSet<CompletionResolveCapability>> {
144 .filter_map(|cap_string| match cap_string.as_str() {
145 "additionalTextEdits" => Some(CompletionResolveCapability::AdditionalTextEdits),
146 "detail" => Some(CompletionResolveCapability::Detail),
147 "documentation" => Some(CompletionResolveCapability::Documentation),
148 _unsupported => None,
154 fn code_action_capabilities(client_caps: &ClientCapabilities) -> CodeActionProviderCapability {
158 .and_then(|it| it.code_action.as_ref())
159 .and_then(|it| it.code_action_literal_support.as_ref())
160 .map_or(CodeActionProviderCapability::Simple(true), |_| {
161 CodeActionProviderCapability::Options(CodeActionOptions {
162 // Advertise support for all built-in CodeActionKinds.
163 // Ideally we would base this off of the client capabilities
164 // but the client is supposed to fall back gracefully for unknown values.
165 code_action_kinds: Some(vec![
166 CodeActionKind::EMPTY,
167 CodeActionKind::QUICKFIX,
168 CodeActionKind::REFACTOR,
169 CodeActionKind::REFACTOR_EXTRACT,
170 CodeActionKind::REFACTOR_INLINE,
171 CodeActionKind::REFACTOR_REWRITE,
173 resolve_provider: Some(true),
174 work_done_progress_options: Default::default(),