feat(lsp): add references, rename, formatting, and inlay hints

Assisted-by: MiMo V2.5 Pro

lsp/protocol.go

@@ -157,6 +157,61 @@ type definitionParams struct {
 	Position     Position               `json:"position"`
 }
 
+type referenceParams struct {
+	TextDocument textDocumentIdentifier `json:"textDocument"`
+	Position     Position               `json:"position"`
+	Context      referenceContext       `json:"context"`
+}
+
+type referenceContext struct {
+	IncludeDeclaration bool `json:"includeDeclaration"`
+}
+
+type renameParams struct {
+	TextDocument textDocumentIdentifier `json:"textDocument"`
+	Position     Position               `json:"position"`
+	NewName      string                 `json:"newName"`
+}
+
+// WorkspaceEdit holds changes across multiple documents.
+type WorkspaceEdit struct {
+	Changes map[string][]TextEdit `json:"changes"`
+}
+
+// TextEdit replaces a range with new text.
+type TextEdit struct {
+	Range   Range  `json:"range"`
+	NewText string `json:"newText"`
+}
+
+type documentFormattingParams struct {
+	TextDocument textDocumentIdentifier `json:"textDocument"`
+	Options      formattingOptions      `json:"options"`
+}
+
+type formattingOptions struct {
+	TabSize      int  `json:"tabSize"`
+	InsertSpaces bool `json:"insertSpaces"`
+}
+
+type inlayHintParams struct {
+	TextDocument textDocumentIdentifier `json:"textDocument"`
+	Range        Range                  `json:"range"`
+}
+
+// InlayHint is a hint displayed inline in the editor.
+type InlayHint struct {
+	Position Position `json:"position"`
+	Label    string   `json:"label"`
+	Kind     int      `json:"kind,omitempty"`
+	Padding  bool     `json:"paddingLeft,omitempty"`
+	Tooltip  string   `json:"tooltip,omitempty"`
+}
+
+const (
+	inlayHintTypeParameter = 2
+)
+
 // Hover is the hover response.
 type Hover struct {
 	Contents markupContent `json:"contents"`
@@ -246,12 +301,17 @@ type initializeParams struct {
 
 // ServerCapabilities advertises what this server provides.
 type ServerCapabilities struct {
-	TextDocumentSync       int            `json:"textDocumentSync"`
-	CompletionProvider     map[string]any `json:"completionProvider,omitempty"`
-	HoverProvider          bool           `json:"hoverProvider,omitempty"`
-	DocumentSymbolProvider bool           `json:"documentSymbolProvider,omitempty"`
-	SemanticTokensProvider map[string]any `json:"semanticTokensProvider,omitempty"`
-	DiagnosticProvider     map[string]any `json:"diagnosticProvider,omitempty"`
+	TextDocumentSync           int            `json:"textDocumentSync"`
+	CompletionProvider         map[string]any `json:"completionProvider,omitempty"`
+	HoverProvider              bool           `json:"hoverProvider,omitempty"`
+	DefinitionProvider         bool           `json:"definitionProvider,omitempty"`
+	ReferencesProvider         bool           `json:"referencesProvider,omitempty"`
+	RenameProvider             bool           `json:"renameProvider,omitempty"`
+	DocumentSymbolProvider     bool           `json:"documentSymbolProvider,omitempty"`
+	DocumentFormattingProvider bool           `json:"documentFormattingProvider,omitempty"`
+	SemanticTokensProvider     map[string]any `json:"semanticTokensProvider,omitempty"`
+	InlayHintProvider          bool           `json:"inlayHintProvider,omitempty"`
+	DiagnosticProvider         map[string]any `json:"diagnosticProvider,omitempty"`
 }
 
 type initializeResult struct {