1 //! Advertizes the capabilities of the LSP Server.
5 CallHierarchyServerCapability, ClientCapabilities, CodeActionKind, CodeActionOptions,
6 CodeActionProviderCapability, CodeLensOptions, CompletionOptions,
7 DocumentOnTypeFormattingOptions, FoldingRangeProviderCapability, HoverProviderCapability,
8 ImplementationProviderCapability, RenameOptions, RenameProviderCapability, SaveOptions,
9 SelectionRangeProviderCapability, SemanticTokensDocumentProvider, SemanticTokensLegend,
10 SemanticTokensOptions, ServerCapabilities, SignatureHelpOptions, TextDocumentSyncCapability,
11 TextDocumentSyncKind, TextDocumentSyncOptions, TypeDefinitionProviderCapability,
12 WorkDoneProgressOptions,
16 use crate::semantic_tokens;
18 pub fn server_capabilities(client_caps: &ClientCapabilities) -> ServerCapabilities {
19 let code_action_provider = code_action_capabilities(client_caps);
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: None,
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(true),
46 type_definition_provider: Some(TypeDefinitionProviderCapability::Simple(true)),
47 implementation_provider: Some(ImplementationProviderCapability::Simple(true)),
48 references_provider: Some(true),
49 document_highlight_provider: Some(true),
50 document_symbol_provider: Some(true),
51 workspace_symbol_provider: Some(true),
52 code_action_provider: Some(code_action_provider),
53 code_lens_provider: Some(CodeLensOptions { resolve_provider: Some(true) }),
54 document_formatting_provider: Some(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(RenameProviderCapability::Options(RenameOptions {
64 prepare_provider: Some(true),
65 work_done_progress_options: WorkDoneProgressOptions { work_done_progress: None },
67 document_link_provider: None,
69 execute_command_provider: None,
71 call_hierarchy_provider: Some(CallHierarchyServerCapability::Simple(true)),
72 semantic_tokens_provider: Some(
73 SemanticTokensOptions {
74 legend: SemanticTokensLegend {
75 token_types: semantic_tokens::SUPPORTED_TYPES.to_vec(),
76 token_modifiers: semantic_tokens::SUPPORTED_MODIFIERS.to_vec(),
79 document_provider: Some(SemanticTokensDocumentProvider::Bool(true)),
80 range_provider: Some(true),
81 work_done_progress_options: Default::default(),
85 experimental: Some(json!({
97 fn code_action_capabilities(client_caps: &ClientCapabilities) -> CodeActionProviderCapability {
101 .and_then(|it| it.code_action.as_ref())
102 .and_then(|it| it.code_action_literal_support.as_ref())
103 .map_or(CodeActionProviderCapability::Simple(true), |_| {
104 CodeActionProviderCapability::Options(CodeActionOptions {
105 // Advertise support for all built-in CodeActionKinds.
106 // Ideally we would base this off of the client capabilities
107 // but the client is supposed to fall back gracefully for unknown values.
108 code_action_kinds: Some(vec![
109 CodeActionKind::EMPTY,
110 CodeActionKind::QUICKFIX,
111 CodeActionKind::REFACTOR,
112 CodeActionKind::REFACTOR_EXTRACT,
113 CodeActionKind::REFACTOR_INLINE,
114 CodeActionKind::REFACTOR_REWRITE,
116 work_done_progress_options: Default::default(),