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‎README.md‎

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@@ -18,6 +18,7 @@ MATLAB language server implements several Language Server Protocol features and
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* Document symbols — [documentSymbolProvider](https://microsoft.github.io/language-server-protocol/specifications/lsp/3.17/specification/#textDocument_documentSymbol)
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* Symbol rename - [renameProvider](https://microsoft.github.io/language-server-protocol/specifications/lsp/3.17/specification/#textDocument_rename)
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* Code folding - [foldingRangeProvider](https://microsoft.github.io/language-server-protocol/specifications/lsp/3.17/specification/#textDocument_foldingRange)
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* Document highlights - [highlightSymbolProvider](https://microsoft.github.io/language-server-protocol/specifications/lsp/3.17/specification/#textDocument_documentHighlight)
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## Clients
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MATLAB language server supports these editors by installing the corresponding extension:
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### Unreleased
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### 1.3.5
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Release date: 2025-09-04
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Fixed:
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* Resolves an issue where newly saved document contents are ignored during execution
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Added:
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* Support for highlighting all references to a selected function, variable, class, or class property
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### 1.3.4
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Release date: 2025-07-31
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‎matlab/+matlabls/+handlers/+utils/+defaultEditorUtils/clearTemporaryEditorSettings.m‎

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% Copyright 2025 The MathWorks, Inc.
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% Clears any temporary changes made in matlab.editor settings associated with the matlab.defaultEditor config
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function clearTemporaryEditorSettings()
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s = settings;
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if hasTemporaryValue(s.matlab.editor.UseMATLABEditor)
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clearTemporaryValue(s.matlab.editor.UseMATLABEditor);
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clearTemporaryValue(s.matlab.editor.OtherEditor);
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end
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end

‎matlab/+matlabls/+handlers/+utils/+defaultEditorUtils/setTemporaryEditorSettings.m‎

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% Copyright 2025 The MathWorks, Inc.
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% Temporarily sets default editor to the provided executablePath when matlab.defaultEditor config is enabled using the matlab.editor settings
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function setTemporaryEditorSettings(executablePath)
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s = settings;
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s.matlab.editor.UseMATLABEditor.TemporaryValue = 0;
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s.matlab.editor.OtherEditor.TemporaryValue = executablePath;
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end

‎matlab/+matlabls/+utils/saveHelper.m‎

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function saveHelper(filePath)
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% This function is triggered after documents are saved, and can be used to
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% trigger behaviors when this occurs.
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% Copyright 2025 The MathWorks, Inc.
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% Ensure that changes to the file are registered by MATLAB to prevent cached
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% file contents from being used during execution.
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fschange(filePath);
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clear(filePath);
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end

‎matlab/+matlabls/setupShadows.m‎

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function setupShadows(languageServerFolder)
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currentDirectory = pwd;
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cleanup = onCleanup(@() cd(currentDirectory));
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try
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addRestoreDefaultPathShadow(languageServerFolder);
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addEditShadow(languageServerFolder);
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addClcShadow(languageServerFolder);
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catch ME
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disp('Error while attempting to add shadow directories to path')
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disp(ME.message)
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end
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end
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function addRestoreDefaultPathShadow(languageServerFolder)
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cd(fullfile(matlabroot, 'toolbox', 'local'));
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originalRestoreDefaultPath = @restoredefaultpath;
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cd(matlabroot);
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addpath(fullfile(languageServerFolder, 'shadows', 'restoredefaultpath'));
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restoredefaultpath('__SET__', originalRestoreDefaultPath, @handleReset);
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function handleReset()
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addpath(languageServerFolder)
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matlabls.setupShadows(languageServerFolder)
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end
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end
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function addEditShadow(languageServerFolder)
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cd(fullfile(matlabroot, 'toolbox', 'matlab', 'codetools'));
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originalEdit = @edit;
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cd(matlabroot);
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addpath(fullfile(languageServerFolder, 'shadows', 'edit'));
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% Need to pass the originalEdit function handle in within a cell array
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% to avoid @function_handle/edit being used instead.
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edit('__SET__', {originalEdit});
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end
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function addClcShadow(languageServerFolder)
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% Only need to do this for <R2023a
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if isMATLABReleaseOlderThan('R2023a')
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addpath(fullfile(languageServerFolder, 'shadows', 'clc'));
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end
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end

‎matlab/initmatlabls.m‎

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% Ensure the language server code is on the path
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folder = fileparts(mfilename('fullpath'));
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updatePath(folder);
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% Shadow necessary functions
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matlabls.setupShadows(folder);
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try
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s = settings;
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end
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end
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function updatePath(languageServerFolder)
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addpath(languageServerFolder)
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try
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addRestoreDefaultPathShadow(languageServerFolder);
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if isMATLABReleaseOlderThan('R2023a')
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addpath(fullfile(languageServerFolder, 'shadows', 'clc'));
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end
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catch ME
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disp('Error while attempting to add shadow directory to path')
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disp(ME.message)
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end
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end
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function addRestoreDefaultPathShadow(languageServerFolder)
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currentDirectory = pwd;
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cd(fullfile(matlabroot, 'toolbox', 'local'));
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originalRestoreDefaultPath = @restoredefaultpath;
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cd(matlabroot);
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addpath(fullfile(languageServerFolder, 'shadows', 'restoredefaultpath'));
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restoredefaultpath('SET', originalRestoreDefaultPath, @() updatePath(languageServerFolder));
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cd(currentDirectory);
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end

‎matlab/shadows/edit/edit.m‎

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% Copyright 2025 The MathWorks, Inc.
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function edit(varargin)
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mlock
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persistent originalEdit;
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if nargin == 2 && ischar(varargin{1}) && isequal(varargin{1}, '__SET__')
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originalEdit = varargin{2}{1};
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return;
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end
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if (isempty(originalEdit))
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error('MATLAB:edit:UninitializedShadow', ...
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'MATLAB Language Server - Edit shadow is uninitialized.');
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end
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if (nargin == 0 && ~settings().matlab.editor.UseMATLABEditor.ActiveValue)
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error('MATLAB:edit:NoArgsNotAllowed', ...
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'Calling `edit` with no arguments is not supported when opening files outside of MATLAB.');
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end
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originalEdit(varargin{:});
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end

‎matlab/shadows/restoredefaultpath/restoredefaultpath.m‎

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% Copyright 2025 The MathWorks, Inc.
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function restoredefaultpath(varargin)
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mlock
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persistent originalRestoreDefaultPath;
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persistent pathUpdateFunction;
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if nargin == 3 && ischar(varargin{1}) && isequal(varargin{1}, 'SET')
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if nargin == 3 && ischar(varargin{1}) && isequal(varargin{1}, '__SET__')
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originalRestoreDefaultPath = varargin{2};
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pathUpdateFunction = varargin{3};
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return;
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end
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if isempty(originalRestoreDefaultPath)
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error('Matlab Language Server - RestoreDefaultPath shadow is uninitialized.');
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error('MATLAB Language Server - RestoreDefaultPath shadow is uninitialized.');
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end
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originalRestoreDefaultPath();

‎package-lock.json‎

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‎package.json‎

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{
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"name": "matlab-language-server",
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"version": "1.3.4",
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"version": "1.3.5",
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"description": "Language Server for MATLAB code",
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"main": "./src/index.ts",
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"bin": "./out/index.js",
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"eslint-plugin-promise": "^6.0.1",
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"mocha": "^10.4.0",
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"node-loader": "^2.0.0",
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"quibble": "^0.9.2",
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"sinon": "^18.0.0",
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"ts-loader": "^9.4.1",
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"tsx": "^4.19.4",

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