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 all_commit_characters: None,
38 completion_item: None,
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 folding_range_provider: Some(FoldingRangeProviderCapability::Simple(true)),
64 rename_provider: Some(OneOf::Right(RenameOptions {
65 prepare_provider: Some(true),
66 work_done_progress_options: WorkDoneProgressOptions { work_done_progress: None },
68 linked_editing_range_provider: None,
69 document_link_provider: None,
71 execute_command_provider: None,
72 workspace: Some(WorkspaceServerCapabilities {
73 workspace_folders: None,
74 file_operations: Some(WorkspaceFileOperationsServerCapabilities {
78 will_rename: Some(FileOperationRegistrationOptions {
81 scheme: Some(String::from("file")),
82 pattern: FileOperationPattern {
83 glob: String::from("**/*.rs"),
84 matches: Some(FileOperationPatternKind::File),
89 scheme: Some(String::from("file")),
90 pattern: FileOperationPattern {
91 glob: String::from("**"),
92 matches: Some(FileOperationPatternKind::Folder),
102 call_hierarchy_provider: Some(CallHierarchyServerCapability::Simple(true)),
103 semantic_tokens_provider: Some(
104 SemanticTokensOptions {
105 legend: SemanticTokensLegend {
106 token_types: semantic_tokens::SUPPORTED_TYPES.to_vec(),
107 token_modifiers: semantic_tokens::SUPPORTED_MODIFIERS.to_vec(),
110 full: Some(SemanticTokensFullOptions::Delta { delta: Some(true) }),
112 work_done_progress_options: Default::default(),
116 moniker_provider: None,
117 experimental: Some(json!({
121 "parentModule": true,
123 "kinds": [ "cargo" ],
129 fn completions_resolve_provider(client_caps: &ClientCapabilities) -> Option<bool> {
130 if completion_item_edit_resolve(client_caps) {
133 log::info!("No `additionalTextEdits` completion resolve capability was found in the client capabilities, autoimport completion is disabled");
138 /// Parses client capabilities and returns all completion resolve capabilities rust-analyzer supports.
139 pub(crate) fn completion_item_edit_resolve(caps: &ClientCapabilities) -> bool {
152 .any(|cap_string| cap_string.as_str() == "additionalTextEdits"),
157 fn code_action_capabilities(client_caps: &ClientCapabilities) -> CodeActionProviderCapability {
161 .and_then(|it| it.code_action.as_ref())
162 .and_then(|it| it.code_action_literal_support.as_ref())
163 .map_or(CodeActionProviderCapability::Simple(true), |_| {
164 CodeActionProviderCapability::Options(CodeActionOptions {
165 // Advertise support for all built-in CodeActionKinds.
166 // Ideally we would base this off of the client capabilities
167 // but the client is supposed to fall back gracefully for unknown values.
168 code_action_kinds: Some(vec![
169 CodeActionKind::EMPTY,
170 CodeActionKind::QUICKFIX,
171 CodeActionKind::REFACTOR,
172 CodeActionKind::REFACTOR_EXTRACT,
173 CodeActionKind::REFACTOR_INLINE,
174 CodeActionKind::REFACTOR_REWRITE,
176 resolve_provider: Some(true),
177 work_done_progress_options: Default::default(),