1 //! Advertizes the capabilities of the LSP Server.
5 CallHierarchyServerCapability, ClientCapabilities, CodeActionKind, CodeActionOptions,
6 CodeActionProviderCapability, CodeLensOptions, CompletionOptions,
7 DocumentOnTypeFormattingOptions, FoldingRangeProviderCapability, HoverProviderCapability,
8 ImplementationProviderCapability, OneOf, RenameOptions, SaveOptions,
9 SelectionRangeProviderCapability, SemanticTokensFullOptions, 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 {
20 text_document_sync: Some(TextDocumentSyncCapability::Options(TextDocumentSyncOptions {
21 open_close: Some(true),
22 change: Some(if env::var("RA_NO_INCREMENTAL_SYNC").is_ok() {
23 TextDocumentSyncKind::Full
25 TextDocumentSyncKind::Incremental
28 will_save_wait_until: None,
29 save: Some(SaveOptions::default().into()),
31 hover_provider: Some(HoverProviderCapability::Simple(true)),
32 completion_provider: Some(CompletionOptions {
33 resolve_provider: None,
34 trigger_characters: Some(vec![":".to_string(), ".".to_string()]),
35 work_done_progress_options: WorkDoneProgressOptions { work_done_progress: None },
37 signature_help_provider: Some(SignatureHelpOptions {
38 trigger_characters: Some(vec!["(".to_string(), ",".to_string()]),
39 retrigger_characters: None,
40 work_done_progress_options: WorkDoneProgressOptions { work_done_progress: None },
42 declaration_provider: None,
43 definition_provider: Some(OneOf::Left(true)),
44 type_definition_provider: Some(TypeDefinitionProviderCapability::Simple(true)),
45 implementation_provider: Some(ImplementationProviderCapability::Simple(true)),
46 references_provider: Some(OneOf::Left(true)),
47 document_highlight_provider: Some(OneOf::Left(true)),
48 document_symbol_provider: Some(OneOf::Left(true)),
49 workspace_symbol_provider: Some(OneOf::Left(true)),
50 code_action_provider: Some(code_action_capabilities(client_caps)),
51 code_lens_provider: Some(CodeLensOptions { resolve_provider: Some(true) }),
52 document_formatting_provider: Some(OneOf::Left(true)),
53 document_range_formatting_provider: None,
54 document_on_type_formatting_provider: Some(DocumentOnTypeFormattingOptions {
55 first_trigger_character: "=".to_string(),
56 more_trigger_character: Some(vec![".".to_string(), ">".to_string()]),
58 selection_range_provider: Some(SelectionRangeProviderCapability::Simple(true)),
59 semantic_highlighting: None,
60 folding_range_provider: Some(FoldingRangeProviderCapability::Simple(true)),
61 rename_provider: Some(OneOf::Right(RenameOptions {
62 prepare_provider: Some(true),
63 work_done_progress_options: WorkDoneProgressOptions { work_done_progress: None },
65 document_link_provider: None,
67 execute_command_provider: None,
69 call_hierarchy_provider: Some(CallHierarchyServerCapability::Simple(true)),
70 semantic_tokens_provider: Some(
71 SemanticTokensOptions {
72 legend: SemanticTokensLegend {
73 token_types: semantic_tokens::SUPPORTED_TYPES.to_vec(),
74 token_modifiers: semantic_tokens::SUPPORTED_MODIFIERS.to_vec(),
77 full: Some(SemanticTokensFullOptions::Delta { delta: Some(true) }),
79 work_done_progress_options: Default::default(),
83 experimental: Some(json!({
95 fn code_action_capabilities(client_caps: &ClientCapabilities) -> CodeActionProviderCapability {
99 .and_then(|it| it.code_action.as_ref())
100 .and_then(|it| it.code_action_literal_support.as_ref())
101 .map_or(CodeActionProviderCapability::Simple(true), |_| {
102 CodeActionProviderCapability::Options(CodeActionOptions {
103 // Advertise support for all built-in CodeActionKinds.
104 // Ideally we would base this off of the client capabilities
105 // but the client is supposed to fall back gracefully for unknown values.
106 code_action_kinds: Some(vec![
107 CodeActionKind::EMPTY,
108 CodeActionKind::QUICKFIX,
109 CodeActionKind::REFACTOR,
110 CodeActionKind::REFACTOR_EXTRACT,
111 CodeActionKind::REFACTOR_INLINE,
112 CodeActionKind::REFACTOR_REWRITE,
114 resolve_provider: Some(true),
115 work_done_progress_options: Default::default(),