1 //! Advertizes the capabilities of the LSP Server.
5 CallHierarchyServerCapability, ClientCapabilities, CodeActionKind, CodeActionOptions,
6 CodeActionProviderCapability, CodeLensOptions, CompletionOptions,
7 DocumentOnTypeFormattingOptions, FileOperationFilter, FileOperationPattern,
8 FileOperationPatternKind, FileOperationRegistrationOptions, FoldingRangeProviderCapability,
9 HoverProviderCapability, ImplementationProviderCapability, OneOf, RenameOptions, SaveOptions,
10 SelectionRangeProviderCapability, SemanticTokensFullOptions, SemanticTokensLegend,
11 SemanticTokensOptions, ServerCapabilities, SignatureHelpOptions, TextDocumentSyncCapability,
12 TextDocumentSyncKind, TextDocumentSyncOptions, TypeDefinitionProviderCapability,
13 WorkDoneProgressOptions, WorkspaceFileOperationsServerCapabilities,
14 WorkspaceServerCapabilities,
18 use crate::semantic_tokens;
20 pub fn server_capabilities(client_caps: &ClientCapabilities) -> ServerCapabilities {
22 text_document_sync: Some(TextDocumentSyncCapability::Options(TextDocumentSyncOptions {
23 open_close: Some(true),
24 change: Some(if env::var("RA_NO_INCREMENTAL_SYNC").is_ok() {
25 TextDocumentSyncKind::Full
27 TextDocumentSyncKind::Incremental
30 will_save_wait_until: None,
31 save: Some(SaveOptions::default().into()),
33 hover_provider: Some(HoverProviderCapability::Simple(true)),
34 completion_provider: Some(CompletionOptions {
35 resolve_provider: completions_resolve_provider(client_caps),
36 trigger_characters: Some(vec![":".to_string(), ".".to_string()]),
37 work_done_progress_options: WorkDoneProgressOptions { work_done_progress: None },
39 signature_help_provider: Some(SignatureHelpOptions {
40 trigger_characters: Some(vec!["(".to_string(), ",".to_string()]),
41 retrigger_characters: None,
42 work_done_progress_options: WorkDoneProgressOptions { work_done_progress: None },
44 declaration_provider: None,
45 definition_provider: Some(OneOf::Left(true)),
46 type_definition_provider: Some(TypeDefinitionProviderCapability::Simple(true)),
47 implementation_provider: Some(ImplementationProviderCapability::Simple(true)),
48 references_provider: Some(OneOf::Left(true)),
49 document_highlight_provider: Some(OneOf::Left(true)),
50 document_symbol_provider: Some(OneOf::Left(true)),
51 workspace_symbol_provider: Some(OneOf::Left(true)),
52 code_action_provider: Some(code_action_capabilities(client_caps)),
53 code_lens_provider: Some(CodeLensOptions { resolve_provider: Some(true) }),
54 document_formatting_provider: Some(OneOf::Left(true)),
55 document_range_formatting_provider: None,
56 document_on_type_formatting_provider: Some(DocumentOnTypeFormattingOptions {
57 first_trigger_character: "=".to_string(),
58 more_trigger_character: Some(vec![".".to_string(), ">".to_string()]),
60 selection_range_provider: Some(SelectionRangeProviderCapability::Simple(true)),
61 semantic_highlighting: None,
62 folding_range_provider: Some(FoldingRangeProviderCapability::Simple(true)),
63 rename_provider: Some(OneOf::Right(RenameOptions {
64 prepare_provider: Some(true),
65 work_done_progress_options: WorkDoneProgressOptions { work_done_progress: None },
67 linked_editing_range_provider: None,
68 document_link_provider: None,
70 execute_command_provider: None,
71 workspace: Some(WorkspaceServerCapabilities {
72 workspace_folders: None,
73 file_operations: Some(WorkspaceFileOperationsServerCapabilities {
77 will_rename: Some(FileOperationRegistrationOptions {
80 scheme: Some(String::from("file")),
81 pattern: FileOperationPattern {
82 glob: String::from("**/*.rs"),
83 matches: Some(FileOperationPatternKind::File),
88 scheme: Some(String::from("file")),
89 pattern: FileOperationPattern {
90 glob: String::from("**"),
91 matches: Some(FileOperationPatternKind::Folder),
101 call_hierarchy_provider: Some(CallHierarchyServerCapability::Simple(true)),
102 semantic_tokens_provider: Some(
103 SemanticTokensOptions {
104 legend: SemanticTokensLegend {
105 token_types: semantic_tokens::SUPPORTED_TYPES.to_vec(),
106 token_modifiers: semantic_tokens::SUPPORTED_MODIFIERS.to_vec(),
109 full: Some(SemanticTokensFullOptions::Delta { delta: Some(true) }),
111 work_done_progress_options: Default::default(),
115 moniker_provider: None,
116 experimental: Some(json!({
120 "parentModule": true,
122 "kinds": [ "cargo" ],
128 fn completions_resolve_provider(client_caps: &ClientCapabilities) -> Option<bool> {
129 if completion_item_edit_resolve(client_caps) {
132 log::info!("No `additionalTextEdits` completion resolve capability was found in the client capabilities, autoimport completion is disabled");
137 /// Parses client capabilities and returns all completion resolve capabilities rust-analyzer supports.
138 pub(crate) fn completion_item_edit_resolve(caps: &ClientCapabilities) -> bool {
151 .any(|cap_string| cap_string.as_str() == "additionalTextEdits"),
156 fn code_action_capabilities(client_caps: &ClientCapabilities) -> CodeActionProviderCapability {
160 .and_then(|it| it.code_action.as_ref())
161 .and_then(|it| it.code_action_literal_support.as_ref())
162 .map_or(CodeActionProviderCapability::Simple(true), |_| {
163 CodeActionProviderCapability::Options(CodeActionOptions {
164 // Advertise support for all built-in CodeActionKinds.
165 // Ideally we would base this off of the client capabilities
166 // but the client is supposed to fall back gracefully for unknown values.
167 code_action_kinds: Some(vec![
168 CodeActionKind::EMPTY,
169 CodeActionKind::QUICKFIX,
170 CodeActionKind::REFACTOR,
171 CodeActionKind::REFACTOR_EXTRACT,
172 CodeActionKind::REFACTOR_INLINE,
173 CodeActionKind::REFACTOR_REWRITE,
175 resolve_provider: Some(true),
176 work_done_progress_options: Default::default(),