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//! Advertises the capabilities of the LSP Server.
use std::env;
use lsp_types::{
CallHierarchyServerCapability, ClientCapabilities, CodeActionKind, CodeActionOptions,
CodeActionProviderCapability, CodeLensOptions, CompletionOptions,
DocumentOnTypeFormattingOptions, FileOperationFilter, FileOperationPattern,
FileOperationPatternKind, FileOperationRegistrationOptions, FoldingRangeProviderCapability,
HoverProviderCapability, ImplementationProviderCapability, OneOf, RenameOptions, SaveOptions,
SelectionRangeProviderCapability, SemanticTokensFullOptions, SemanticTokensLegend,
SemanticTokensOptions, ServerCapabilities, SignatureHelpOptions, TextDocumentSyncCapability,
TextDocumentSyncKind, TextDocumentSyncOptions, TypeDefinitionProviderCapability,
WorkDoneProgressOptions, WorkspaceFileOperationsServerCapabilities,
WorkspaceServerCapabilities,
};
use serde_json::json;
use crate::semantic_tokens;
pub fn server_capabilities(client_caps: &ClientCapabilities) -> ServerCapabilities {
ServerCapabilities {
text_document_sync: Some(TextDocumentSyncCapability::Options(TextDocumentSyncOptions {
open_close: Some(true),
change: Some(if env::var("RA_NO_INCREMENTAL_SYNC").is_ok() {
TextDocumentSyncKind::Full
} else {
TextDocumentSyncKind::Incremental
}),
will_save: None,
will_save_wait_until: None,
save: Some(SaveOptions::default().into()),
})),
hover_provider: Some(HoverProviderCapability::Simple(true)),
completion_provider: Some(CompletionOptions {
resolve_provider: completions_resolve_provider(client_caps),
trigger_characters: Some(vec![":".to_string(), ".".to_string(), "'".to_string()]),
all_commit_characters: None,
completion_item: None,
work_done_progress_options: WorkDoneProgressOptions { work_done_progress: None },
}),
signature_help_provider: Some(SignatureHelpOptions {
trigger_characters: Some(vec!["(".to_string(), ",".to_string()]),
retrigger_characters: None,
work_done_progress_options: WorkDoneProgressOptions { work_done_progress: None },
}),
declaration_provider: None,
definition_provider: Some(OneOf::Left(true)),
type_definition_provider: Some(TypeDefinitionProviderCapability::Simple(true)),
implementation_provider: Some(ImplementationProviderCapability::Simple(true)),
references_provider: Some(OneOf::Left(true)),
document_highlight_provider: Some(OneOf::Left(true)),
document_symbol_provider: Some(OneOf::Left(true)),
workspace_symbol_provider: Some(OneOf::Left(true)),
code_action_provider: Some(code_action_capabilities(client_caps)),
code_lens_provider: Some(CodeLensOptions { resolve_provider: Some(true) }),
document_formatting_provider: Some(OneOf::Left(true)),
document_range_formatting_provider: Some(OneOf::Left(true)),
document_on_type_formatting_provider: Some(DocumentOnTypeFormattingOptions {
first_trigger_character: "=".to_string(),
more_trigger_character: Some(vec![".".to_string(), ">".to_string(), "{".to_string()]),
}),
selection_range_provider: Some(SelectionRangeProviderCapability::Simple(true)),
folding_range_provider: Some(FoldingRangeProviderCapability::Simple(true)),
rename_provider: Some(OneOf::Right(RenameOptions {
prepare_provider: Some(true),
work_done_progress_options: WorkDoneProgressOptions { work_done_progress: None },
})),
linked_editing_range_provider: None,
document_link_provider: None,
color_provider: None,
execute_command_provider: None,
workspace: Some(WorkspaceServerCapabilities {
workspace_folders: None,
file_operations: Some(WorkspaceFileOperationsServerCapabilities {
did_create: None,
will_create: None,
did_rename: None,
will_rename: Some(FileOperationRegistrationOptions {
filters: vec![
FileOperationFilter {
scheme: Some(String::from("file")),
pattern: FileOperationPattern {
glob: String::from("**/*.rs"),
matches: Some(FileOperationPatternKind::File),
options: None,
},
},
FileOperationFilter {
scheme: Some(String::from("file")),
pattern: FileOperationPattern {
glob: String::from("**"),
matches: Some(FileOperationPatternKind::Folder),
options: None,
},
},
],
}),
did_delete: None,
will_delete: None,
}),
}),
call_hierarchy_provider: Some(CallHierarchyServerCapability::Simple(true)),
semantic_tokens_provider: Some(
SemanticTokensOptions {
legend: SemanticTokensLegend {
token_types: semantic_tokens::SUPPORTED_TYPES.to_vec(),
token_modifiers: semantic_tokens::SUPPORTED_MODIFIERS.to_vec(),
},
full: Some(SemanticTokensFullOptions::Delta { delta: Some(true) }),
range: Some(true),
work_done_progress_options: Default::default(),
}
.into(),
),
moniker_provider: None,
experimental: Some(json!({
"joinLines": true,
"ssr": true,
"onEnter": true,
"parentModule": true,
"runnables": {
"kinds": [ "cargo" ],
},
"workspaceSymbolScopeKindFiltering": true,
})),
}
}
fn completions_resolve_provider(client_caps: &ClientCapabilities) -> Option<bool> {
if completion_item_edit_resolve(client_caps) {
Some(true)
} else {
log::info!("No `additionalTextEdits` completion resolve capability was found in the client capabilities, autoimport completion is disabled");
None
}
}
/// Parses client capabilities and returns all completion resolve capabilities rust-analyzer supports.
pub(crate) fn completion_item_edit_resolve(caps: &ClientCapabilities) -> bool {
(|| {
Some(
caps.text_document
.as_ref()?
.completion
.as_ref()?
.completion_item
.as_ref()?
.resolve_support
.as_ref()?
.properties
.iter()
.any(|cap_string| cap_string.as_str() == "additionalTextEdits"),
)
})() == Some(true)
}
fn code_action_capabilities(client_caps: &ClientCapabilities) -> CodeActionProviderCapability {
client_caps
.text_document
.as_ref()
.and_then(|it| it.code_action.as_ref())
.and_then(|it| it.code_action_literal_support.as_ref())
.map_or(CodeActionProviderCapability::Simple(true), |_| {
CodeActionProviderCapability::Options(CodeActionOptions {
// Advertise support for all built-in CodeActionKinds.
// Ideally we would base this off of the client capabilities
// but the client is supposed to fall back gracefully for unknown values.
code_action_kinds: Some(vec![
CodeActionKind::EMPTY,
CodeActionKind::QUICKFIX,
CodeActionKind::REFACTOR,
CodeActionKind::REFACTOR_EXTRACT,
CodeActionKind::REFACTOR_INLINE,
CodeActionKind::REFACTOR_REWRITE,
]),
resolve_provider: Some(true),
work_done_progress_options: Default::default(),
})
})
}
|
