MATLAB language server - v1.3.1

README.md

@@ -26,6 +26,16 @@ MATLAB language server supports these editors by installing the corresponding ex
 
 ### Unreleased
 
+### 1.3.1
+Release date: 2025-01-23
+
+Added:
+* The language server keeps the MATLAB path in sync with the client workspace, improving code navigation, completions, and execution
+
+Fixed:
+* Resolves errors with document formatting when using with MATLAB R2025a
+* Resolves errors with execution and debugging when using with MATLAB R2022a
+
 ### 1.3.0
 Release date: 2024-12-18
 

matlab/+matlabls/+handlers/FormatSupportHandler.m

@@ -28,7 +28,7 @@ function handleFormatRequest (this, msg)
             cleanupObj3 = setTemporaryValue(s.matlab.editor.tab.IndentSize, msg.tabSize); %#ok<NASGU>
 
             % Format code
-            response.data = indentcode(codeToFormat, 'matlab'); % This will pull from the user's MATLAB® settings.
+            response.data = indentcode(codeToFormat); % This will pull from the user's MATLAB® settings.
 
             % Send formatted code
             responseChannel = strcat(this.ResponseChannel, '/', msg.channelId);

matlab/+matlabls/+handlers/PathSynchronizerHandler.m

@@ -0,0 +1,75 @@
+classdef (Hidden) PathSynchronizerHandler < matlabls.handlers.FeatureHandler
+    % PATHSYNCHRONIZERHANDLER The feature handler to support synchronizing the MATLAB path
+    % with the client's workspace. This provides access points to add and remove from the path,
+    % as well as get/set MATLAB's current working directory.
+
+    % Copyright 2024 The MathWorks, Inc.
+
+    properties (Access = private)
+        CdRequestChannel = "/matlabls/pathSynchronizer/cd/request"
+
+        PwdRequestChannel = "/matlabls/pathSynchronizer/pwd/request"
+        PwdResponseChannel = "/matlabls/pathSynchronizer/pwd/response"
+
+        AddPathRequestChannel = "/matlabls/pathSynchronizer/addpath/request"
+        RmPathRequestChannel = "/matlabls/pathSynchronizer/rmpath/request"
+    end
+
+    methods
+        function this = PathSynchronizerHandler ()
+            this.RequestSubscriptions(1) = matlabls.internal.CommunicationManager.subscribe(this.CdRequestChannel, @this.handleCdRequest);
+            this.RequestSubscriptions(2) = matlabls.internal.CommunicationManager.subscribe(this.PwdRequestChannel, @this.handlePwdRequest);
+            this.RequestSubscriptions(3) = matlabls.internal.CommunicationManager.subscribe(this.AddPathRequestChannel, @this.handleAddPathRequest);
+            this.RequestSubscriptions(4) = matlabls.internal.CommunicationManager.subscribe(this.RmPathRequestChannel, @this.handleRmPathRequest);
+        end
+    end
+
+    methods (Access = private)
+        function handleCdRequest (~, msg)
+            path = msg.path;
+
+            try
+                cd(path)
+            catch e
+                disp('Error during `cd` operation:')
+                disp(e.message)
+            end
+        end
+
+        function handlePwdRequest (this, msg)
+            try
+                currentPath = pwd();
+
+                responseChannel = strcat(this.PwdResponseChannel, '/', msg.channelId);
+                matlabls.internal.CommunicationManager.publish(responseChannel, currentPath);
+            catch e
+                disp('Error during `pwd` operation:')
+                disp(e.message)
+            end
+        end
+
+        function handleAddPathRequest (~, msg)
+            paths = msg.paths;
+            paths = strjoin(paths, pathsep);
+
+            try
+                addpath(paths)
+            catch e
+                disp('Error during `addpath` operation:')
+                disp(e.message)
+            end
+        end
+
+        function handleRmPathRequest (~, msg)
+            paths = msg.paths;
+            paths = strjoin(paths, pathsep);
+
+            try
+                rmpath(paths)
+            catch e
+                disp('Error during `rmpath` operation:')
+                disp(e.message)
+            end
+        end
+    end
+end

matlab/+matlabls/MatlabLanguageServerHelper.m

@@ -32,6 +32,7 @@ function initializeFeatureHandlers (this)
             this.FeatureHandlers(end + 1) = matlabls.handlers.LintingSupportHandler();
             this.FeatureHandlers(end + 1) = matlabls.handlers.NavigationSupportHandler();
             this.FeatureHandlers(end + 1) = matlabls.handlers.FoldingSupportHandler();
+            this.FeatureHandlers(end + 1) = matlabls.handlers.PathSynchronizerHandler();
         end
     end
 end

package.json

@@ -1,6 +1,6 @@
 {
   "name": "matlab-language-server",
-  "version": "1.3.0",
+  "version": "1.3.1",
   "description": "Language Server for MATLAB code",
   "main": "./src/index.ts",
   "bin": "./out/index.js",

src/debug/DebugServices.ts

@@ -1,4 +1,4 @@
-// Copyright 2024 The MathWorks, Inc.
+// Copyright 2024-2025 The MathWorks, Inc.
 
 import { IMVM } from '../mvm/impl/MVM'
 import EventEmitter from 'events';
@@ -78,7 +78,7 @@ enum Events {
 
 export class DebugServices extends EventEmitter {
     static Events = Events;
-    private _mvm: IMVM;
+    private readonly _mvm: IMVM;
 
     constructor (mvm: IMVM) {
         super();
@@ -93,10 +93,9 @@ export class DebugServices extends EventEmitter {
         this._mvm.on('ContinueExecutionEvent', (data: MatlabData) => {
             this.emit(DebugServices.Events.DBCont);
         });
-        this._mvm.on('ChangeCurrentWorkspace', (data: MatlabData) => {
+        this._mvm.on('ChangeCurrentWorkspaceEvent', (data: MatlabData) => {
             this.emit(DebugServices.Events.DBWorkspaceChanged);
         });
-
         this._mvm.on('AddLineNumberBreakpointEvent', (data: MatlabData) => {
             this.emit(DebugServices.Events.BreakpointAdded, new BreakpointInfo(data.Filespec, data.LineNumber, data.Condition, data.whichAnonymousFunctionOnCurrentLine));
         });