Fix #7982 - roo javascript completion
[roobuilder] / src / Palete / LanguageClientVala.vala
index 4860da2..f35f74f 100644 (file)
 
 namespace Palete {
        public class LanguageClientVala : LanguageClient {
-       
-       
+               int countdown = 0;
+               protected bool initialized = false;
+               bool sent_shutdown = false;
+               uint change_queue_id = 0;
+               
+                       
+               private bool _closed = false;
+               private bool closed {
+                       get { return this._closed ; } 
+                       set {
+                               GLib.debug("closed has been set? to %s" , value ? "TRUE" : "FALSE" );
+                               this._closed = value;
+                       }
+               }
+               private GLib.SubprocessLauncher launcher = null;
+               private GLib.Subprocess? subprocess = null;
+               private IOStream? subprocess_stream = null;
+           public Jsonrpc.Client? jsonrpc_client = null;
+               
+               Gee.ArrayList<JsRender.JsRender> open_files;
+               private JsRender.JsRender? _change_queue_file = null;
+               private string change_queue_file_source = "";
+               
+               JsRender.JsRender? change_queue_file {
+                       set {
+                               this.change_queue_file_source = value == null ? "" : value.toSource();
+                               this._change_queue_file = value;
+                       } 
+                       get {
+                               return this._change_queue_file;
+                       } 
+               }
+               void startServer()
+               {
+                       this.initProcess("/usr/bin/vala-language-server");
+               }
+               
+               
                public LanguageClientVala(Project.Project project)
                {
                        // extend versions will proably call initialize to start and connect to server.
                        base(project);
-                       
+                       this.open_files = new   Gee.ArrayList<JsRender.JsRender>();
+                       this.change_queue_id = GLib.Timeout.add_seconds(1, () => {
+                               if (this.change_queue_file == null) {
+                                       return true;
+                               }
+                               this.countdown--;
+                               if (this.countdown < 0){
+                                       this.document_change_force(this.change_queue_file,  this.change_queue_file_source);
+                                       this.change_queue_file = null;
+                                          
+                               }
+                               return true;
+                       });
                        this.startServer();
-                       
-               
+
                }
-               public override void startServer()
-               {
-                       this.initProcess("/usr/bin/vala-language-server");
                
+                
+               public bool initProcess(string process_path)
+               {
+                       this.onClose();
+                       this.log(LanguageClientAction.LAUNCH, process_path);
+                       GLib.debug("Launching %s", process_path);
+                       this.launcher = new GLib.SubprocessLauncher (SubprocessFlags.STDIN_PIPE | SubprocessFlags.STDOUT_PIPE);
+                       this.launcher.set_environ(GLib.Environ.get());
+                       try {
+
+                               
+                               this.subprocess = launcher.spawnv ({ process_path });
+                               
+                               this.subprocess.wait_async.begin( null, ( obj,res ) => {
+                                       try {
+                                               this.subprocess.wait_async.end(res);
+                                       } catch (GLib.Error e) {
+                                               this.log(LanguageClientAction.ERROR_START, e.message);
+                                               GLib.debug("subprocess startup error %s", e.message);           
+                                       }
+                                       this.log(LanguageClientAction.EXIT, "process ended");
+                                       GLib.debug("Subprocess ended %s", process_path);
+                                       this.onClose();
+
+                               });
+                               var input_stream = this.subprocess.get_stdout_pipe ();
+                               var output_stream = this.subprocess.get_stdin_pipe ();
+                               if (input_stream is GLib.UnixInputStream && output_stream is GLib.UnixOutputStream) {
+                                       // set nonblocking
+                                       if (!GLib.Unix.set_fd_nonblocking(((GLib.UnixInputStream)input_stream).fd, true)
+                                        || !GLib.Unix.set_fd_nonblocking (((GLib.UnixOutputStream)output_stream).fd, true)) 
+                                        {
+                                               GLib.debug("could not set pipes to nonblocking");
+                                               this.onClose();
+                                           return false;
+                                   }
+                           }
+                           this.subprocess_stream = new GLib.SimpleIOStream (input_stream, output_stream);
+                       this.accept_io_stream ( this.subprocess_stream);
+                       } catch (GLib.Error e) {
+                               this.log(LanguageClientAction.ERROR_START, e.message);
+                               GLib.debug("subprocess startup error %s", e.message);   
+                               this.onClose();
+                               return false;
+               }
+            return true;
+        }
+        bool in_close = false;
+               public override void client_accepted (Jsonrpc.Client client) 
+               {
+                       if (this.jsonrpc_client == null) {
+                               this.jsonrpc_client = client;
+                               
+                               GLib.debug("client accepted connection - calling init server");
+                               this.log(LanguageClientAction.ACCEPT, "client accepted");
+
+                               this.jsonrpc_client.notification.connect((method, paramz) => {
+                                       this.onNotification(method, paramz);
+                               });
+                                
+                               this.jsonrpc_client.failed.connect(() => {
+                                       this.log(LanguageClientAction.ERROR_RPC, "client failed");
+                                       this.onClose();
+                                       
+                                       GLib.debug("language server server has failed");
+                               });
+
+                               this.initialize_server ();
+                       } 
+                                        
+                        
                }
                
-                public override   void  initialize_server()   {
+               
+               public override   void  initialize_server()   {
                        try {
                                Variant? return_value;
                                    this.jsonrpc_client.call (
@@ -40,7 +157,420 @@ namespace Palete {
                        }
                        
                }
+               void onClose()
+               {
+                       if (this.in_close) {
+                               return;
+                       }
+                       if (this.launcher == null) {
+                               return;
+                       }
+                       this.in_close = true;
+                       GLib.debug("onClose called");
+                       
+                       if (this.jsonrpc_client != null) {
+                               try {
+                                       this.jsonrpc_client.close();
+                               } catch (GLib.Error e) {
+                                       GLib.debug("rpc Error close error %s", e.message);      
+                               }               
+                       }
+                       if (this.subprocess_stream != null) {
+                               try {
+                                       this.subprocess_stream.close();
+                               } catch (GLib.Error e) {
+                                       GLib.debug("stream Error close  %s", e.message);        
+                               }               
+                       }
+                       if (this.subprocess != null) {
+                               this.subprocess.force_exit();
+                       }
+                       if (this.launcher != null) {
+                               this.launcher.close();
+                       }
+                       
+                       this.launcher = null;
+                       this.subprocess = null;
+                       this.jsonrpc_client = null;
+                       this.closed = true;             
+                       this.in_close = false;
+               }
+       
+       
+               public bool isReady()
+               {
+                       if (this.closed) {
+                               this.log(LanguageClientAction.RESTART,"closed is set - restarting");
+                               GLib.debug("server stopped = restarting");
+                               this.initialized = false;
+                               this.closed = false;
+                               this.startServer();
+                               foreach(var f in this.open_files) {
+                                       this.document_open(f);
+                               }
+                               return false; // can't do an operation yet?
+                                
+                       }
+                       
+                       if (!this.initialized) {
+                               GLib.debug("Server has not been initialized");
+                               return false;
+                       }
+                       if (this.sent_shutdown) {
+                               GLib.debug("Server has been started its shutting down process");
+                               return false;
+                       }
+                       // restart server..
+
+                       
+                       
+                       return true;
+               }
        
+               public void onNotification(string method, Variant? return_value)
+               {
+                       switch (method) {
+                               case "textDocument/publishDiagnostics":
+                                       this.onDiagnostic(return_value);
+                                       return;
+                               default: 
+                                       break;
+                                
+                       }
+                       GLib.debug("got notification %s : %s",  method , Json.to_string (Json.gvariant_serialize (return_value), true));
+                       
+               }
+               
+               /***
+               
+               */
+               public void onDiagnostic(Variant? return_value) 
+               {
+
+                       var dg = Json.gobject_deserialize (typeof (Lsp.Diagnostics), Json.gvariant_serialize (return_value)) as Lsp.Diagnostics; 
+                       this.log(LanguageClientAction.DIAG, dg.filename);
+                       var f = this.project.getByPath(dg.filename);
+                       if (f == null) {
+                               //GLib.debug("no file %s", dg.uri);
+                               this.project.updateErrorsforFile(null);
+                               return;
+                       }
+                       foreach(var v in f.errorsByType.values) {
+                               v.remove_all();
+                       }
+                       foreach(var diag in dg.diagnostics) {
+                               var ce = new CompileError.new_from_diagnostic(f, diag);
+                               if (!f.errorsByType.has_key(ce.category)) {
+                                       f.errorsByType.set(ce.category, new  GLib.ListStore(typeof(CompileError)));
+                               }
+                               f.errorsByType.get(ce.category).append(ce);
+                       }
+                       f.project.updateErrorsforFile(f);
+                       
+               }
+               
+               public override void document_open (JsRender.JsRender file)  
+               {
+                       if (!this.isReady()) {
+                               return;
+                       }
+                       if (!this.open_files.contains(file)) {
+                               this.open_files.add(file);
+                       }
+                       
+                       GLib.debug ("LS sent open");                     
+                       try {
+                               this.jsonrpc_client.send_notification (
+                                       "textDocument/didOpen",
+                                       this.buildDict (
+                                               textDocument : this.buildDict (
+                                                       uri: new Variant.string (file.to_url()),
+                                                       languageId :  new Variant.string (file.language_id()),
+                                                       version :  new GLib.Variant.uint64 ( (uint64) file.version),
+                                                       text : new Variant.string (file.toSource())
+                                               )
+                                       ),
+                                       null
+                               );
+                               this.log(LanguageClientAction.OPEN, file.path);
+                       } catch( GLib.Error  e) {
+                               this.log(LanguageClientAction.ERROR_RPC, e.message);
+                               this.onClose();
+                               GLib.debug ("LS sent open err %s", e.message);
+                       }
+
+               }
+               
+               public override  void document_save (JsRender.JsRender file)  
+       {
+                       if (!this.isReady()) {
+                               return;
+                       }
+                       this.change_queue_file = null;
+                       GLib.debug ("LS send save");
+                        try {
+                                 this.jsonrpc_client.send_notification  (
+                                       "textDocument/didChange",
+                                       this.buildDict (  
+                                               textDocument : this.buildDict (    ///TextDocumentItem;
+                                                       uri: new GLib.Variant.string (file.to_url()),
+                                                       version :  new GLib.Variant.uint64 ( (uint64) file.version)
+                                               )
+                                       ),
+                                       null 
+                               );
+                               this.log(LanguageClientAction.SAVE, file.path);
+                       } catch( GLib.Error  e) {
+                               this.log(LanguageClientAction.ERROR_RPC, e.message);
+                               GLib.debug ("LS   save err %s", e.message);
+                               this.onClose();
+                       }
+
+         
+       }
+               public override  void document_close (JsRender.JsRender file) 
+       {
+                       if (!this.isReady()) {
+                               return;
+                       }
+                       this.change_queue_file = null;
+                       
+                       if (this.open_files.contains(file)) {
+                               this.open_files.remove(file);
+                       }
+                       this.log(LanguageClientAction.CLOSE, file.path);
+                       GLib.debug ("LS send close");
+                       try {
+                                 this.jsonrpc_client.send_notification  (
+                                       "textDocument/didChange",
+                                       this.buildDict (  
+                                               textDocument : this.buildDict (    ///TextDocumentItem;
+                                                       uri: new GLib.Variant.string (file.to_url())
+                                                       
+                                               )
+                                       ),
+                                       null  
+                               );
+                       } catch( GLib.Error  e) {
+                               this.log(LanguageClientAction.ERROR_RPC, e.message);
+                               GLib.debug ("LS close err %s", e.message);
+                               this.onClose();
+                       }
+
+         
+       }
+       
+        
+               public override void document_change (JsRender.JsRender file )    
+               {
+                       if (this.change_queue_file != null && this.change_queue_file.path != file.path) {
+                               this.document_change_force(this.change_queue_file, this.change_queue_file_source);
+                       }
+                       
+                       this.countdown = 3;
+                       this.change_queue_file = file;
+                        
+                       
+
+               }
+       
+
+               public override void document_change_force (JsRender.JsRender file, string contents)  
+       {
+                       if (!this.isReady()) {
+                               return;
+                       }
+                            
+                       
+                       GLib.debug ("LS send change");
+                       var ar = new Json.Array();
+                       var obj = new Json.Object();
+                       obj.set_string_member("text", contents);
+                       ar.add_object_element(obj);
+                       var node = new Json.Node(Json.NodeType.ARRAY);
+                       node.set_array(ar);
+                       this.log(LanguageClientAction.CHANGE, file.path);
+                        try {
+                               this.jsonrpc_client.send_notification (
+                                       "textDocument/didChange",
+                                       this.buildDict (  
+                                               textDocument : this.buildDict (    ///TextDocumentItem;
+                                                       uri: new GLib.Variant.string (file.to_url()),
+                                                       version :  new GLib.Variant.uint64 ( (uint64) file.version) 
+                                               ),
+                                               contentChanges : Json.gvariant_deserialize (node, null)
+                                               
+                                       ),
+                                       null 
+                               );
+                       } catch( GLib.Error  e) {
+                               this.log(LanguageClientAction.ERROR_RPC, e.message);
+                               GLib.debug ("LS change err %s", e.message);
+                               this.onClose();
+                       }
+
+         
+       }
+       // called by close window (on last window)...
+               public override  void exit () throws GLib.Error 
+               {
+                       if (!this.isReady()) {
+                       
+                               return;
+                       }
+                       this.log(LanguageClientAction.TERM, "SEND exit");
+                
+                         this.jsonrpc_client.send_notification (
+                               "exit",
+                               null,
+                               null 
+                       );
+                       this.onClose();
+
+               }
+               // not used currently..
+               public override async void shutdown () throws GLib.Error 
+               {
+                       if (!this.isReady()) {
+                               return;
+                       }
+                       this.log(LanguageClientAction.TERM, "SEND shutodwn");
+                       this.sent_shutdown  = true;
+                       Variant? return_value;
+                       yield this.jsonrpc_client.call_async (
+                               "shutdown",
+                               null,
+                               null,
+                               out return_value
+                       );
+                       GLib.debug ("LS replied with %s", Json.to_string (Json.gvariant_serialize (return_value), true));               
+               }
+               //public async  ??/symbol (string symbol) throws GLib.Error {
+               
+               // and now for the important styff..
+               
+               /*
+               
+               @triggerType 1 = typing or ctl-spac, 2 = tiggercharactres?  3= inside completion?
+               */
+                public override async Lsp.CompletionList?  completion(JsRender.JsRender file, int line, int offset , int triggerType = 1) throws GLib.Error 
+                {
+                       /* partial_result_token ,  work_done_token   context = null) */
+                       GLib.debug("%s get completion %s @ %d:%d", this.get_type().name(),  file.relpath, line, offset);
+                       
+                       var ret = new Lsp.CompletionList();     
+                       
+                   if (!this.isReady()) {
+                       GLib.debug("completion - language server not ready");
+                               return ret;
+                       }
+                       // make sure completion has the latest info..
+                       //if (this.change_queue_file != null && this.change_queue_file.path != file.path) {
+                       //      this.document_change_real(this.change_queue_file, this.change_queue_file_source);
+                       //      this.change_queue_file != null;
+                       //}
+                       this.log(LanguageClientAction.COMPLETE, "SEND complete  %s @ %d:%d".printf(file.relpath, line, offset) );
+                       
+                       Variant? return_value;
+                       
+                       var args = this.buildDict (  
+                                       context : this.buildDict (    ///CompletionContext;
+                                               triggerKind: new GLib.Variant.int32 (triggerType) 
+                                       //      triggerCharacter :  new GLib.Variant.string ("")
+                                       ),
+                                       textDocument : this.buildDict (    ///TextDocumentItem;
+                                               uri: new GLib.Variant.string (file.to_url()),
+                                               version :  new GLib.Variant.uint64 ( (uint64) file.version) 
+                                       ), 
+                                       position :  this.buildDict ( 
+                                               line :  new GLib.Variant.uint64 ( (uint) line) ,
+                                               character :  new GLib.Variant.uint64 ( uint.max(0,  (offset -1))) 
+                                       )
+                               );
+                        
+                       GLib.debug ("textDocument/completion send with %s", Json.to_string (Json.gvariant_serialize (args), true));                                     
+                       
+                       yield this.jsonrpc_client.call_async (
+                               "textDocument/completion",
+                               args,
+                               null,
+                               out return_value
+                       );
+                       
+                       
+                       //GLib.debug ("LS replied with %s", Json.to_string (Json.gvariant_serialize (return_value), true));                                     
+                       var json = Json.gvariant_serialize (return_value);
+
+
+                       if (json.get_node_type() == Json.NodeType.OBJECT) {
+                               ret = Json.gobject_deserialize (typeof (Lsp.CompletionList), json) as Lsp.CompletionList; 
+                               this.log(LanguageClientAction.COMPLETE_REPLY, "GOT complete  %d items".printf(ret.items.size) );
+                               GLib.debug ("LS replied with Object");
+                               return ret;
+                       }  
+
+                       if (json.get_node_type() != Json.NodeType.ARRAY) {
+                               GLib.debug ("LS replied with %s", Json.to_string (Json.gvariant_serialize (return_value), true));                                       
+                               this.log(LanguageClientAction.ERROR_REPLY, "GOT something else??");
+                               return ret;
+                       
+                       }
+                       var ar = json.get_array();                      
+                       
+                       for(var i = 0; i < ar.get_length(); i++ ) {
+                               var add= Json.gobject_deserialize ( typeof (Lsp.CompletionItem),  ar.get_element(i)) as Lsp.CompletionItem;
+                               ret.items.add( add);
+                                        
+                       }
+                       this.log(LanguageClientAction.COMPLETE_REPLY, "GOT array %d items".printf(ret.items.size) );
+                       GLib.debug ("LS replied with Array");
+                       return ret;
+               
+
+               }
+               //CompletionListInfo.itmems.parse_varient  or CompletionListInfo.parsevarient
+               public override async Gee.ArrayList<Lsp.DocumentSymbol> syntax (JsRender.JsRender file) throws GLib.Error 
+                {
+                       /* partial_result_token ,  work_done_token   context = null) */
+                       GLib.debug("get syntax %s", file.relpath);
+                       var ret = new Gee.ArrayList<Lsp.DocumentSymbol>();      
+                       //ret = null;
+                   if (!this.isReady()) {
+                               return ret;
+                       }
+                       Variant? return_value;
+                       yield this.jsonrpc_client.call_async (
+                               "textDocument/documentSymbol",
+                               this.buildDict (  
+                                        
+                                       textDocument : this.buildDict (    ///TextDocumentItem;
+                                               uri: new GLib.Variant.string (file.to_url()),
+                                               version :  new GLib.Variant.uint64 ( (uint64) file.version) 
+                                       ) 
+                                        
+                               ),
+                               null,
+                               out return_value
+                       );
+                       
+                       
+                       GLib.debug ("LS replied with %s", Json.to_string (Json.gvariant_serialize (return_value), true));                                       
+                       var json = Json.gvariant_serialize (return_value);
+                        
+                        
+
+                       var ar = json.get_array();
+                       for(var i = 0; i < ar.get_length(); i++ ) {
+                               var add= Json.gobject_deserialize ( typeof (Lsp.DocumentSymbol),  ar.get_element(i)) as Lsp.DocumentSymbol;
+                               ret.add( add);
+                                        
+                       }
+                               return ret ;
+                       
+               
+
+               }
+               
        }
        
 }
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