git.roojs.org Git - roobuilder/blob - src/Palete/LanguageClientVala.vala

   1
   2 namespace Palete {
   3         public class LanguageClientVala : LanguageClient {
   4                 int countdown = 0;
   5                 protected bool initialized = false;
   6                 bool sent_shutdown = false;
   7                 uint change_queue_id = 0;
   8
   9
  10                 private bool _closed = false;
  11                 private bool closed {
  12                         get { return this._closed ; }
  13                         set {
  14                                 GLib.debug("closed has been set? to %s" , value ? "TRUE" : "FALSE" );
  15                                 this._closed = value;
  16                         }
  17                 }
  18                 private GLib.SubprocessLauncher launcher = null;
  19                 private GLib.Subprocess? subprocess = null;
  20                 private IOStream? subprocess_stream = null;
  21             public Jsonrpc.Client? jsonrpc_client = null;
  22
  23                 Gee.ArrayList<JsRender.JsRender> open_files;
  24                 private JsRender.JsRender? _change_queue_file = null;
  25                 private string change_queue_file_source = "";
  26
  27                 JsRender.JsRender? change_queue_file {
  28                         set {
  29                                 this.change_queue_file_source = value == null ? "" : value.toSource();
  30                                 this._change_queue_file = value;
  31                         }
  32                         get {
  33                                 return this._change_queue_file;
  34                         }
  35                 }
  36                 void startServer()
  37                 {
  38                         var exe = GLib.Environment.find_program_in_path( "vala-language-server");
  39                         if (exe == null) {
  40                                 GLib.warning("could not find vala-language-server");
  41
  42                                 return;
  43                         }
  44                         this.initProcess(exe);
  45                 }
  46
  47
  48                 public LanguageClientVala(Project.Project project)
  49                 {
  50                         // extend versions will proably call initialize to start and connect to server.
  51                         base(project);
  52
  53                         this.change_queue_id = GLib.Timeout.add_seconds(1, () => {
  54                                 if (this.change_queue_file == null) {
  55                                         return true;
  56                                 }
  57                                 if (this.getting_diagnostics) {
  58                                         return true;
  59                                 }
  60                                 this.countdown--;
  61
  62
  63                                 if (this.countdown < 0){
  64                                         this.document_change_force.begin(this.change_queue_file,  this.change_queue_file_source, (o, res) => {
  65                                                 this.document_change_force.end(res);
  66                                         });
  67                                         this.change_queue_file = null;
  68
  69                                 }
  70                                 return true;
  71                         });
  72                         this.startServer();
  73
  74                 }
  75
  76
  77                 public bool initProcess(string process_path)
  78                 {
  79                         this.onClose();
  80                         this.log(LanguageClientAction.LAUNCH, process_path);
  81                         GLib.debug("Launching %s", process_path);
  82                         this.launcher = new GLib.SubprocessLauncher (SubprocessFlags.STDIN_PIPE | SubprocessFlags.STDOUT_PIPE);
  83                         var env = GLib.Environ.get();
  84                         env += "G_MESSAGES_DEBUG=all";
  85
  86                         this.launcher.set_environ(env);
  87                         var logpath = GLib.Environment.get_home_dir() + "/.cache/vala-language-server";
  88
  89                         if (!GLib.FileUtils.test(logpath, GLib.FileTest.IS_DIR)) {
  90                                 Posix.mkdir(logpath, 0700);
  91                         }
  92                         // not very reliable..
  93                         //this.launcher.set_stderr_file_path(
  94                         //      logpath + "/" +
  95                         //      (new GLib.DateTime.now_local()).format("%Y-%m-%d") + ".log"
  96                         //);
  97                         //GLib.debug("log lang server to %s", logpath + "/" +
  98                         //      (new GLib.DateTime.now_local()).format("%Y-%m-%d") + ".log");
  99
 100                         try {
 101
 102
 103                                 this.subprocess = launcher.spawnv ({ process_path , "2>" , "/tmp/vala-language-server.log" });
 104
 105                                 this.subprocess.wait_async.begin( null, ( obj,res ) => {
 106                                         try {
 107                                                 this.subprocess.wait_async.end(res);
 108                                         } catch (GLib.Error e) {
 109                                                 this.log(LanguageClientAction.ERROR_START, e.message);
 110                                                 GLib.debug("subprocess startup error %s", e.message);
 111                                         }
 112                                         this.log(LanguageClientAction.EXIT, "process ended");
 113                                         GLib.debug("Subprocess ended %s", process_path);
 114                                         this.onClose();
 115
 116                                 });
 117                                 var input_stream = this.subprocess.get_stdout_pipe ();
 118                                 var output_stream = this.subprocess.get_stdin_pipe ();
 119
 120                                 if (input_stream is GLib.UnixInputStream && output_stream is GLib.UnixOutputStream) {
 121                                         // set nonblocking
 122                                         if (!GLib.Unix.set_fd_nonblocking(((GLib.UnixInputStream)input_stream).fd, true)
 123                                          || !GLib.Unix.set_fd_nonblocking (((GLib.UnixOutputStream)output_stream).fd, true))
 124                                          {
 125                                                 GLib.debug("could not set pipes to nonblocking");
 126                                                 this.onClose();
 127                                             return false;
 128                                     }
 129                             }
 130                             this.subprocess_stream = new GLib.SimpleIOStream (input_stream, output_stream);
 131                         this.accept_io_stream ( this.subprocess_stream);
 132                         } catch (GLib.Error e) {
 133                                 this.log(LanguageClientAction.ERROR_START, e.message);
 134                                 GLib.debug("subprocess startup error %s", e.message);
 135                                 this.onClose();
 136                                 return false;
 137                 }
 138             return true;
 139         }
 140         bool in_close = false;
 141                 public override void client_accepted (Jsonrpc.Client client)
 142                 {
 143                         if (this.jsonrpc_client == null) {
 144                                 this.jsonrpc_client = client;
 145
 146                                 GLib.debug("client accepted connection - calling init server");
 147                                 this.log(LanguageClientAction.ACCEPT, "client accepted");
 148
 149                                 this.jsonrpc_client.notification.connect((method, paramz) => {
 150                                         this.onNotification(method, paramz);
 151                                 });
 152
 153                                 this.jsonrpc_client.failed.connect(() => {
 154                                         this.log(LanguageClientAction.ERROR_RPC, "client failed");
 155                                         GLib.debug("language server server has failed");
 156                                         this.onClose();
 157
 158
 159                                 });
 160
 161                                 this.initialize_server ();
 162                         }
 163
 164
 165                 }
 166
 167
 168                 public override   void  initialize_server()   {
 169                         try {
 170                                 Variant? return_value;
 171                                     this.jsonrpc_client.call (
 172                                     "initialize",
 173                                     this.buildDict (
 174                                         processId: new Variant.int32 ((int32) Posix.getpid ()),
 175                                         rootPath: new Variant.string (this.project.path),
 176                                         rootUri: new Variant.string (File.new_for_path (this.project.path).get_uri ())
 177                                     ),
 178                                     null,
 179                                     out return_value
 180                                 );
 181                                 GLib.debug ("LS replied with %s", Json.to_string (Json.gvariant_serialize (return_value), true));
 182                                 this.open_files = new Gee.ArrayList<JsRender.JsRender>((a,b) => {
 183                                         return a.path == b.path;
 184                                 });
 185                                 this.initialized = true;
 186                                 this.getting_diagnostics = false;
 187                                 return;
 188                         } catch (GLib.Error e) {
 189                                 GLib.debug ("LS replied with error %s", e.message);
 190                                 this.onClose();
 191                         }
 192
 193                 }
 194                 void onClose()
 195                 {
 196                         if (this.in_close) {
 197                                 return;
 198                         }
 199                         if (this.launcher == null) {
 200                                 return;
 201                         }
 202                         this.getting_diagnostics = false;
 203                         this.in_close = true;
 204                         GLib.debug("onClose called");
 205
 206                         if (this.jsonrpc_client != null) {
 207                                 try {
 208                                         this.jsonrpc_client.close();
 209                                 } catch (GLib.Error e) {
 210                                         GLib.debug("rpc Error close error %s", e.message);
 211                                 }
 212                         }
 213                         if (this.subprocess_stream != null) {
 214                                 try {
 215                                         this.subprocess_stream.close();
 216                                 } catch (GLib.Error e) {
 217                                         GLib.debug("stream Error close  %s", e.message);
 218                                 }
 219                         }
 220                         if (this.subprocess != null) {
 221                                 this.subprocess.force_exit();
 222                         }
 223                         if (this.launcher != null) {
 224                                 this.launcher.close();
 225                         }
 226
 227                         this.launcher = null;
 228                         this.subprocess = null;
 229                         this.jsonrpc_client = null;
 230                         this.closed = true;
 231                         this.in_close = false;
 232                 }
 233
 234                 public async void restartServer()
 235                 {
 236                         this.startServer();
 237
 238                 }
 239
 240                 public bool isReady()
 241                 {
 242                         if (this.closed) {
 243                                 this.log(LanguageClientAction.RESTART,"closed is set - restarting");
 244                                 GLib.debug("server stopped = restarting");
 245                                 this.initialized = false;
 246                                 this.closed = false;
 247                                 GLib.MainLoop loop = new GLib.MainLoop ();
 248                                 this.restartServer.begin ((obj, async_res) => {
 249                                         this.restartServer.end(async_res);
 250                                         loop.quit ();
 251                                 });
 252                                 return false; // can't do an operation yet?
 253
 254                         }
 255
 256                         if (!this.initialized) {
 257                                 GLib.debug("Server has not been initialized");
 258                                 return false;
 259                         }
 260                         if (this.sent_shutdown) {
 261                                 GLib.debug("Server has been started its shutting down process");
 262                                 return false;
 263                         }
 264                         // restart server..
 265
 266
 267
 268                         return true;
 269                 }
 270
 271                 public void onNotification(string method, Variant? return_value)
 272                 {
 273                         switch (method) {
 274                                 case "textDocument/publishDiagnostics":
 275                                         //GLib.debug("got notification %s : %s",  method , Json.to_string (Json.gvariant_serialize (return_value), true));
 276
 277                                         GLib.Idle.add(() => {
 278                                                 this.onDiagnostic(return_value);
 279                                                 return false;
 280                                         });
 281                                         return;
 282                                 default:
 283                                         break;
 284
 285                         }
 286                         GLib.debug("got notification %s : %s",  method , Json.to_string (Json.gvariant_serialize (return_value), true));
 287
 288                 }
 289
 290                 bool getting_diagnostics = false;
 291                 /***
 292
 293                 */
 294                 public void onDiagnostic(Variant? return_value)
 295                 {
 296                         //GLib.debug ("LS replied with %s", Json.to_string (Json.gvariant_serialize (return_value), true));
 297                         var dg = Json.gobject_deserialize (typeof (Lsp.Diagnostics), Json.gvariant_serialize (return_value)) as Lsp.Diagnostics;
 298                         GLib.debug("got diag for %s", dg.filename);
 299                         this.log(LanguageClientAction.DIAG, dg.filename);
 300                         if (this.project.path == dg.filename) {
 301                                 this.getting_diagnostics = false;
 302                                 this.log(LanguageClientAction.DIAG_END, "diagnostics done");
 303                                 return;
 304
 305                         }
 306                         this.getting_diagnostics =true;
 307                         var f = this.project.getByPath(dg.filename);
 308                         if (f == null) {
 309                                 //GLib.debug("no file %s", dg.uri);
 310                                 //this.project.updateErrorsforFile(null);
 311                                 return;
 312                         }
 313                         //GLib.debug("got Diagnostics for %s", f.path);
 314                         f.updateErrors( dg.diagnostics );
 315
 316
 317                 }
 318
 319                 public override void document_open (JsRender.JsRender file)
 320                 {
 321                         if (!this.isReady()) {
 322                                 return;
 323                         }
 324                         if (this.open_files.contains(file)) {
 325                                 return;
 326                         }
 327                         this.open_files.add(file);
 328
 329
 330                         GLib.debug ("LS sent open");
 331                         try {
 332                                 this.jsonrpc_client.send_notification (
 333                                         "textDocument/didOpen",
 334                                         this.buildDict (
 335                                                 textDocument : this.buildDict (
 336                                                         uri: new Variant.string (file.to_url()),
 337                                                         languageId :  new Variant.string (file.language_id()),
 338                                                         version :  new GLib.Variant.uint64 ( (uint64) file.version),
 339                                                         text : new Variant.string (file.toSource())
 340                                                 )
 341                                         ),
 342                                         null
 343                                 );
 344                                 this.log(LanguageClientAction.OPEN, file.path);
 345                         } catch( GLib.Error  e) {
 346                                 this.log(LanguageClientAction.ERROR_RPC, e.message);
 347                                 this.onClose();
 348                                 GLib.debug ("LS sent open err %s", e.message);
 349                         }
 350
 351                 }
 352
 353                 public override  async void document_save (JsRender.JsRender file)
 354         {
 355                         if (!this.isReady()) {
 356                                 return;
 357                         }
 358                         // save only really flags the file on the server - to actually force a change update - we need to
 359                         // flag it as changed.
 360                         yield this.document_change_force(file, file.toSource());
 361
 362                         this.change_queue_file = null;
 363                         GLib.debug ("LS send save");
 364                          try {
 365
 366                                 var args = this.buildDict (
 367                                         textDocument : this.buildDict (    ///TextDocumentItem;
 368                                                 uri: new GLib.Variant.string (file.to_url()),
 369                                                 version :  new GLib.Variant.uint64 ( (uint64) file.version)
 370                                         )
 371                                 );
 372
 373                                 //GLib.debug ("textDocument/save send with %s", Json.to_string (Json.gvariant_serialize (args), true));
 374
 375
 376
 377                                   yield this.jsonrpc_client.send_notification_async  (
 378                                         "textDocument/didSave",
 379                                         args,
 380                                         null
 381                                 );
 382                                 this.log(LanguageClientAction.SAVE, file.path);
 383                         } catch( GLib.Error  e) {
 384                                 this.log(LanguageClientAction.ERROR_RPC, e.message);
 385                                 GLib.debug ("LS   save err %s", e.message);
 386                                 this.onClose();
 387                         }
 388
 389
 390         }
 391                 public override  void document_close (JsRender.JsRender file)
 392         {
 393                         if (!this.isReady()) {
 394                                 return;
 395                         }
 396                         this.change_queue_file = null;
 397
 398                         if (this.open_files.contains(file)) {
 399                                 this.open_files.remove(file);
 400                         }
 401                         this.log(LanguageClientAction.CLOSE, file.path);
 402                         GLib.debug ("LS send close");
 403                         try {
 404                                   this.jsonrpc_client.send_notification  (
 405                                         "textDocument/didChange",
 406                                         this.buildDict (
 407                                                 textDocument : this.buildDict (    ///TextDocumentItem;
 408                                                         uri: new GLib.Variant.string (file.to_url())
 409
 410                                                 )
 411                                         ),
 412                                         null
 413                                 );
 414                         } catch( GLib.Error  e) {
 415                                 this.log(LanguageClientAction.ERROR_RPC, e.message);
 416                                 GLib.debug ("LS close err %s", e.message);
 417                                 this.onClose();
 418                         }
 419
 420
 421         }
 422
 423
 424                 public override void document_change (JsRender.JsRender file )
 425                 {
 426                         if (this.change_queue_file != null && this.change_queue_file.path != file.path) {
 427                                 this.document_change_force.begin(this.change_queue_file, this.change_queue_file_source, (o, res) => {
 428                                         this.document_change_force.end(res);
 429                                 });
 430                         }
 431
 432                         this.countdown = 3;
 433                         this.change_queue_file = file;
 434
 435
 436
 437                 }
 438
 439
 440                 public override async void document_change_force (JsRender.JsRender file, string contents)
 441         {
 442
 443
 444                         if (!this.isReady()) {
 445                                 return;
 446                         }
 447                         this.countdown = 9; // not really relivant..
 448                         this.change_queue_file = null; // this is more important..
 449
 450                     if (!this.open_files.contains(file)) {
 451                                  this.document_open(file);
 452                         }
 453
 454                         GLib.debug ("LS send change %s rev %d", file.path, file.version);
 455                         var ar = new Json.Array();
 456                         var obj = new Json.Object();
 457                         obj.set_string_member("text", contents);
 458                         ar.add_object_element(obj);
 459                         var node = new Json.Node(Json.NodeType.ARRAY);
 460                         node.set_array(ar);
 461                         this.log(LanguageClientAction.CHANGE, file.path);
 462                          try {
 463                                 yield this.jsonrpc_client.send_notification_async (
 464                                         "textDocument/didChange",
 465                                         this.buildDict (
 466                                                 textDocument : this.buildDict (    ///TextDocumentItem;
 467                                                         uri: new GLib.Variant.string (file.to_url()),
 468                                                         version :  new GLib.Variant.uint64 ( (uint64) file.version)
 469                                                 ),
 470                                                 contentChanges : Json.gvariant_deserialize (node, null)
 471
 472                                         ),
 473                                         null
 474                                 );
 475                         } catch( GLib.Error  e) {
 476                                 this.log(LanguageClientAction.ERROR_RPC, e.message);
 477                                 GLib.debug ("LS change err %s", e.message);
 478                                 this.onClose();
 479                         }
 480
 481
 482         }
 483         // called by close window (on last window)...
 484                 public override  void exit () throws GLib.Error
 485                 {
 486                         if (!this.isReady()) {
 487
 488                                 return;
 489                         }
 490                         this.log(LanguageClientAction.TERM, "SEND exit");
 491
 492                           this.jsonrpc_client.send_notification (
 493                                 "exit",
 494                                 null,
 495                                 null
 496                         );
 497                         this.onClose();
 498
 499                 }
 500                 // not used currently..
 501                 public override async void shutdown () throws GLib.Error
 502                 {
 503                         if (!this.isReady()) {
 504                                 return;
 505                         }
 506                         this.log(LanguageClientAction.TERM, "SEND shutodwn");
 507                         this.sent_shutdown  = true;
 508                         Variant? return_value;
 509                         yield this.jsonrpc_client.call_async (
 510                                 "shutdown",
 511                                 null,
 512                                 null,
 513                                 out return_value
 514                         );
 515                         GLib.debug ("LS replied with %s", Json.to_string (Json.gvariant_serialize (return_value), true));
 516                 }
 517                 //public async  ??/symbol (string symbol) throws GLib.Error {
 518
 519                 // and now for the important styff..
 520
 521                 /*
 522
 523                 @triggerType 1 = typing or ctl-spac, 2 = tiggercharactres?  3= inside completion?
 524                 */
 525                  public override async Lsp.CompletionList?  completion(JsRender.JsRender file, int line, int offset , int triggerType = 1) throws GLib.Error
 526                  {
 527                         /* partial_result_token ,  work_done_token   context = null) */
 528                         GLib.debug("%s get completion %s @ %d:%d", this.get_type().name(),  file.relpath, line, offset);
 529
 530                         var ret = new Lsp.CompletionList();
 531
 532                     if (!this.isReady()) {
 533                         GLib.debug("completion - language server not ready");
 534                                 return ret;
 535                         }
 536                         // make sure completion has the latest info..
 537                         //if (this.change_queue_file != null && this.change_queue_file.path != file.path) {
 538                         //      this.document_change_real(this.change_queue_file, this.change_queue_file_source);
 539                         //      this.change_queue_file != null;
 540                         //}
 541                         this.log(LanguageClientAction.COMPLETE, "SEND complete  %s @ %d:%d".printf(file.relpath, line, offset) );
 542
 543                         Variant? return_value;
 544
 545                         var args = this.buildDict (
 546                                         context : this.buildDict (    ///CompletionContext;
 547                                                 triggerKind: new GLib.Variant.int32 (triggerType)
 548                                         //      triggerCharacter :  new GLib.Variant.string ("")
 549                                         ),
 550                                         textDocument : this.buildDict (    ///TextDocumentItem;
 551                                                 uri: new GLib.Variant.string (file.to_url()),
 552                                                 version :  new GLib.Variant.uint64 ( (uint64) file.version)
 553                                         ),
 554                                         position :  this.buildDict (
 555                                                 line :  new GLib.Variant.uint64 ( (uint) line) ,
 556                                                 character :  new GLib.Variant.uint64 ( uint.max(0,  (offset -1)))
 557                                         )
 558                                 );
 559
 560                         GLib.debug ("textDocument/completion send with %s", Json.to_string (Json.gvariant_serialize (args), true));
 561
 562                         yield this.jsonrpc_client.call_async (
 563                                 "textDocument/completion",
 564                                 args,
 565                                 null,
 566                                 out return_value
 567                         );
 568
 569
 570                         //GLib.debug ("LS replied with %s", Json.to_string (Json.gvariant_serialize (return_value), true));
 571                         var json = Json.gvariant_serialize (return_value);
 572
 573
 574                         if (json.get_node_type() == Json.NodeType.OBJECT) {
 575                                 ret = Json.gobject_deserialize (typeof (Lsp.CompletionList), json) as Lsp.CompletionList;
 576                                 this.log(LanguageClientAction.COMPLETE_REPLY, "GOT complete  %d items".printf(ret.items.size) );
 577                                 GLib.debug ("LS replied with Object");
 578                                 return ret;
 579                         }
 580
 581                         if (json.get_node_type() != Json.NodeType.ARRAY) {
 582                                 GLib.debug ("LS replied with %s", Json.to_string (Json.gvariant_serialize (return_value), true));
 583                                 this.log(LanguageClientAction.ERROR_REPLY, "GOT something else??");
 584                                 return ret;
 585
 586                         }
 587                         var ar = json.get_array();
 588
 589                         for(var i = 0; i < ar.get_length(); i++ ) {
 590                                 var add= Json.gobject_deserialize ( typeof (Lsp.CompletionItem),  ar.get_element(i)) as Lsp.CompletionItem;
 591                                 ret.items.add( add);
 592
 593                         }
 594                         this.log(LanguageClientAction.COMPLETE_REPLY, "GOT array %d items".printf(ret.items.size) );
 595                         GLib.debug ("LS replied with Array");
 596                         return ret;
 597
 598
 599                 }
 600
 601
 602                 //CompletionListInfo.itmems.parse_varient  or CompletionListInfo.parsevarient
 603                 public override async  Lsp.Hover hover (JsRender.JsRender file, int line, int offset) throws GLib.Error
 604                  {
 605                         /* partial_result_token ,  work_done_token   context = null) */
 606                         GLib.debug("get syntax %s", file.relpath);
 607                         var ret = new Lsp.Hover();
 608                         //ret = null;
 609                     if (!this.isReady()) {
 610                                 return ret;
 611                         }
 612                         Variant? return_value;
 613                         yield this.jsonrpc_client.call_async (
 614                                 "textDocument/hover",
 615                                 this.buildDict (
 616
 617                                         textDocument : this.buildDict (    ///TextDocumentItem;
 618                                                 uri: new GLib.Variant.string (file.to_url()),
 619                                                 version :  new GLib.Variant.uint64 ( (uint64) file.version)
 620                                         ),
 621                                         position :  this.buildDict (
 622                                                 line :  new GLib.Variant.uint64 ( (uint) line) ,
 623                                                 character :  new GLib.Variant.uint64 ( uint.max(0,  (offset -1)))
 624                                         )
 625
 626                                 ),
 627                                 null,
 628                                 out return_value
 629                         );
 630
 631
 632                         GLib.debug ("LS replied with %s", Json.to_string (Json.gvariant_serialize (return_value), true));
 633                         var json = Json.gvariant_serialize (return_value);
 634                         ret =  Json.gobject_deserialize ( typeof (Lsp.Hover),  json) as Lsp.Hover;
 635
 636                         return ret;
 637
 638
 639
 640                 }
 641
 642
 643
 644                 //CompletionListInfo.itmems.parse_varient  or CompletionListInfo.parsevarient
 645                 public override async Gee.ArrayList<Lsp.DocumentSymbol> syntax (JsRender.JsRender file) throws GLib.Error
 646                  {
 647                         /* partial_result_token ,  work_done_token   context = null) */
 648                         GLib.debug("get syntax %s", file.relpath);
 649                         var ret = new Gee.ArrayList<Lsp.DocumentSymbol>();
 650                         //ret = null;
 651                     if (!this.isReady()) {
 652                                 return ret;
 653                         }
 654                         Variant? return_value;
 655                         yield this.jsonrpc_client.call_async (
 656                                 "textDocument/documentSymbol",
 657                                 this.buildDict (
 658
 659                                         textDocument : this.buildDict (    ///TextDocumentItem;
 660                                                 uri: new GLib.Variant.string (file.to_url()),
 661                                                 version :  new GLib.Variant.uint64 ( (uint64) file.version)
 662                                         )
 663
 664                                 ),
 665                                 null,
 666                                 out return_value
 667                         );
 668
 669
 670                         GLib.debug ("LS replied with %s", Json.to_string (Json.gvariant_serialize (return_value), true));
 671                         var json = Json.gvariant_serialize (return_value);
 672
 673
 674
 675                         var ar = json.get_array();
 676                         for(var i = 0; i < ar.get_length(); i++ ) {
 677                                 var add= Json.gobject_deserialize ( typeof (Lsp.DocumentSymbol),  ar.get_element(i)) as Lsp.DocumentSymbol;
 678                                 ret.add( add);
 679
 680                         }
 681                                 return ret ;
 682
 683
 684
 685                 }
 686
 687         }
 688
 689 }