feat(lsp): add workspace symbol search

Assisted-by: MiMo V2.5 Pro

lsp/handlers.go

@@ -452,6 +452,50 @@ func (s *Server) documentHighlights(p documentHighlightParams) []DocumentHighlig
 	return out
 }
 
+// workspaceSymbols searches all open documents for symbols matching the query.
+func (s *Server) workspaceSymbols(p workspaceSymbolParams) []WorkspaceSymbol {
+	if p.Query == "" {
+		return nil
+	}
+	query := strings.ToLower(p.Query)
+	var out []WorkspaceSymbol
+	for uri, text := range s.docs {
+		f, _ := parser.Parse(uriPath(uri), text)
+		if f == nil {
+			continue
+		}
+		for _, d := range f.Decls {
+			switch dd := d.(type) {
+			case *ast.Text:
+				if strings.Contains(strings.ToLower(dd.Name.Name), query) {
+					out = append(out, WorkspaceSymbol{
+						Name:     dd.Name.Name,
+						Kind:     symFunction,
+						Location: Location{URI: uri, Range: symRange(dd.Name)},
+					})
+				}
+			case *ast.Globl:
+				if dd.Name != nil && strings.Contains(strings.ToLower(dd.Name.Name), query) {
+					out = append(out, WorkspaceSymbol{
+						Name:     dd.Name.Name,
+						Kind:     symConstant,
+						Location: Location{URI: uri, Range: symRange(dd.Name)},
+					})
+				}
+			case *ast.Data:
+				if dd.Name != nil && strings.Contains(strings.ToLower(dd.Name.Name), query) {
+					out = append(out, WorkspaceSymbol{
+						Name:     dd.Name.Name,
+						Kind:     symConstant,
+						Location: Location{URI: uri, Range: symRange(dd.Name)},
+					})
+				}
+			}
+		}
+	}
+	return out
+}
+
 // documentSymbols returns functions and their labels, plus global symbols.
 func (s *Server) documentSymbols(p documentSymbolParams) []DocumentSymbol {
 	text := s.docs[p.TextDocument.URI]