modelscript/extensions/vscode/src/browserClientMain.ts at main · modelscript/modelscript · GitHub

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import * as vscode from "vscode";

import { Uri, commands, workspace } from "vscode";

import { LanguageClientOptions } from "vscode-languageclient";

import { LanguageClient } from "vscode-languageclient/browser";

import { AnalysisPanel } from "./analysisPanel";

import { boxTexturedBase64, foxBase64 } from "./cadModels";

import { droneStepContent } from "./droneStepContent";

import { ChatViewProvider } from "./chatPanel";

import { CosimViewProvider } from "./cosimPanel";

import { ModelScriptDebugSession } from "./debugAdapter";

import { DiagramEditorProvider } from "./diagramEditorProvider";

import { FMU_VIEW_SCHEME, FmuContentProvider, FmuEditorProvider, extractFromZip } from "./fmuDocumentProvider";

import { LibraryTreeProvider } from "./libraryTreeProvider";

import { registerLLMProvider } from "./llmProvider";

import { registerMCPTools } from "./mcpBridge";

import { MqttTreeProvider } from "./mqttTreeProvider";

import { ModelicaNotebookController } from "./notebookController";

import { ModelicaNotebookSerializer } from "./notebookSerializer";

import { registerRegistryView } from "./registryTreeProvider";

import { registerRepl } from "./replTerminal";

import { RequirementsEditorProvider } from "./requirementsEditorProvider";

import { MarkdownResolver, createMarkdownItPlugin } from "./markdownItPlugin";

import { registerScmIntegration } from "./scmIntegration";

import { registerScmTreeView } from "./scmTreeView";

import { registerSemanticDiffComments } from "./semanticDiffComments";

import { VerificationPanel } from "./verificationPanel";

import { OWL2ClassHierarchyProvider } from "./owl2ClassHierarchyProvider";

import { OWL2DiagramPanel } from "./owl2DiagramPanel";

import { OWL2PropertyHierarchyProvider } from "./owl2PropertyHierarchyProvider";

import { CalibrationPanel } from "./calibrationPanel";

import { ExperimentsTreeProvider } from "./experimentsTree";

import { GCodeEditorProvider } from "./gcodeEditorProvider";

import { OptimizationPanel } from "./optimizationPanel";

import { SimulationViewPanel } from "./physicsSetupEditorProvider";

import { SimulationPanel } from "./simulationPanel";

import { SINE_WAVE_FMU_BASE64 } from "./sineWaveFmu";

import { SSP_VIEW_SCHEME, SspContentProvider, SspEditorProvider } from "./sspDocumentProvider";

import { StepEditorProvider } from "./stepEditorProvider";

import { SurrogatePanel } from "./surrogatePanel";

import { UncertaintyPanel } from "./uncertaintyPanel";

function decodeBase64ToArray(base64: string): Uint8Array {

// Extract only base64 characters

const b64 = base64.replace(/[^A-Za-z0-9+/=]/g, "");

// Calculate unpadded length

let padding = 0;

if (b64.endsWith("==")) padding = 2;

else if (b64.endsWith("=")) padding = 1;

const bufferLength = b64.length * 0.75 - padding;

const chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";

const lookup = new Uint8Array(256);

for (let i = 0; i < chars.length; i++) {

lookup[chars.charCodeAt(i)] = i;

}

const bytes = new Uint8Array(bufferLength);

let p = 0;

for (let i = 0; i < b64.length; i += 4) {

const encoded1 = lookup[b64.charCodeAt(i)];

const encoded2 = lookup[b64.charCodeAt(i + 1)];

const encoded3 = lookup[b64.charCodeAt(i + 2)];

const encoded4 = lookup[b64.charCodeAt(i + 3)];

bytes[p++] = (encoded1 << 2) | (encoded2 >> 4);

if (p < bufferLength) bytes[p++] = ((encoded2 & 15) << 4) | (encoded3 >> 2);

if (p < bufferLength) bytes[p++] = ((encoded3 & 3) << 6) | (encoded4 & 63);

}

return bytes;

}

let client: LanguageClient | undefined;

let fmuContentProvider: FmuContentProvider | undefined;

let sspContentProvider: SspContentProvider | undefined;

/**

* Simple in-memory filesystem provider for the `tmp` scheme.

* Used by blank project mode to store files in memory.

class MemoryFileSystemProvider implements vscode.FileSystemProvider {

private files = new Map<string, Uint8Array>();

private directories = new Set<string>(["/"]); // Root always exists

private _emitter = new vscode.EventEmitter<vscode.FileChangeEvent[]>();

readonly onDidChangeFile = this._emitter.event;

watch(): vscode.Disposable {

// No-op: we don't need to watch for external changes

return new vscode.Disposable(() => undefined);

}

stat(uri: vscode.Uri): vscode.FileStat {

const path = uri.path;

// Check directories FIRST — a path registered as a directory must not be treated as a file

if (this.directories.has(path) || path === "/" || path === "") {

return { type: vscode.FileType.Directory, ctime: 0, mtime: 0, size: 0 };

}

if (this.files.has(path)) {

return { type: vscode.FileType.File, ctime: 0, mtime: Date.now(), size: this.files.get(path)?.length ?? 0 };

}

// Fall back to open text documents — files created through the VS Code UI may

// exist only in the text model layer, not yet persisted to our in-memory store.

const doc = vscode.workspace.textDocuments.find((d) => d.uri.scheme === uri.scheme && d.uri.path === path);

if (doc) {

const content = new TextEncoder().encode(doc.getText());

return { type: vscode.FileType.File, ctime: 0, mtime: Date.now(), size: content.length };

}

throw vscode.FileSystemError.FileNotFound(uri);

}

readDirectory(uri: vscode.Uri): [string, vscode.FileType][] {

const prefix = uri.path === "/" ? "/" : uri.path + "/";

const result: [string, vscode.FileType][] = [];

const seen = new Set<string>();

for (const [path] of this.files) {

if (path.startsWith(prefix)) {

const rest = path.slice(prefix.length);

const name = rest.split("/")[0];

if (!seen.has(name)) {

seen.add(name);

result.push([name, rest.includes("/") ? vscode.FileType.Directory : vscode.FileType.File]);

}

for (const dir of this.directories) {

if (dir.startsWith(prefix)) {

const rest = dir.slice(prefix.length);

if (!rest.includes("/") && !seen.has(rest)) {

seen.add(rest);

result.push([rest, vscode.FileType.Directory]);

}

return result;

}

createDirectory(uri: vscode.Uri): void {

this._mkdirp(uri.path);

}

readFile(uri: vscode.Uri): Uint8Array {

const data = this.files.get(uri.path);

if (data) return data;

// Fall back to open text documents (see stat() comment above)

const doc = vscode.workspace.textDocuments.find((d) => d.uri.scheme === uri.scheme && d.uri.path === uri.path);

if (doc) {

const content = new TextEncoder().encode(doc.getText());

// Persist into our store so subsequent reads don't need the fallback

this.files.set(uri.path, content);

return content;

}

throw vscode.FileSystemError.FileNotFound(uri);

}

writeFile(uri: vscode.Uri, content: Uint8Array): void {

// Auto-create parent directories

const parts = uri.path.split("/");

for (let i = 1; i < parts.length - 1; i++) {

this._mkdirp(parts.slice(0, i + 1).join("/"));

}

const isNew = !this.files.has(uri.path);

this.files.set(uri.path, content);

this._emitter.fire([{ type: isNew ? vscode.FileChangeType.Created : vscode.FileChangeType.Changed, uri }]);

}

writeFiles(entries: [vscode.Uri, Uint8Array][]): void {

const events: vscode.FileChangeEvent[] = [];

for (const [uri, content] of entries) {

const parts = uri.path.split("/");

for (let i = 1; i < parts.length - 1; i++) {

this._mkdirp(parts.slice(0, i + 1).join("/"));

}

const isNew = !this.files.has(uri.path);

this.files.set(uri.path, content);

events.push({ type: isNew ? vscode.FileChangeType.Created : vscode.FileChangeType.Changed, uri });

}

this._emitter.fire(events);

}

delete(uri: vscode.Uri): void {

this.files.delete(uri.path);

this.directories.delete(uri.path);

this._emitter.fire([{ type: vscode.FileChangeType.Deleted, uri }]);

}

rename(oldUri: vscode.Uri, newUri: vscode.Uri): void {

const data = this.files.get(oldUri.path);

if (data) {

this.files.delete(oldUri.path);

this.files.set(newUri.path, data);

}

private _mkdirp(path: string): void {

this.directories.add(path);

}

import { StoppedEvent } from "@vscode/debugadapter";

import { activeDebugSession, setLspDebugCallbacks } from "./debugAdapter";

class InlineDebugAdapterFactory implements vscode.DebugAdapterDescriptorFactory {

createDebugAdapterDescriptor(session: vscode.DebugSession): vscode.ProviderResult<vscode.DebugAdapterDescriptor> {

// Keep session around to satisfy TS, though we do not use it

void session;

return new vscode.DebugAdapterInlineImplementation(new ModelScriptDebugSession());

}

export async function activate(context: vscode.ExtensionContext) {

console.log("ModelScript extension activated");

async function getProjectDependencies() {

const defaultDeps = [

{ name: "Modelica", version: "4.1.0" },

{ name: "SysML", version: "2026.3.0" },

];

if (!workspace.workspaceFolders || workspace.workspaceFolders.length === 0) {

return defaultDeps;

}

const rootUri = workspace.workspaceFolders[0].uri;

try {

const msJsonUri = vscode.Uri.joinPath(rootUri, "modelscript.json");

const content = await workspace.fs.readFile(msJsonUri);

const json = JSON.parse(new TextDecoder().decode(content));

if (json.dependencies) {

return Object.entries(json.dependencies).map(([name, version]) => ({ name, version }));

}

} catch {

// ignore

}

try {

const pkgJsonUri = vscode.Uri.joinPath(rootUri, "package.json");

const content = await workspace.fs.readFile(pkgJsonUri);

const json = JSON.parse(new TextDecoder().decode(content));

if (json.modelscript?.dependencies) {

return Object.entries(json.modelscript.dependencies).map(([name, version]) => ({ name, version }));

}

} catch {

// ignore

}

return defaultDeps;

}

// Register in-memory filesystem for blank project mode (memfs:// scheme)

// Must be registered synchronously before any await to avoid ENOPRO race conditions during workspace validation.

const folders = workspace.workspaceFolders;

if (folders && folders.length > 0 && folders[0].uri.scheme === "memfs") {

const memFs = new MemoryFileSystemProvider();

memFs.createDirectory(folders[0].uri);

context.subscriptions.push(workspace.registerFileSystemProvider("memfs", memFs, { isCaseSensitive: true }));

console.log("[blank-project] Registered memfs:// filesystem provider");

// Scaffold template files SYNCHRONOUSLY into the memfs store so they exist

// before VS Code attempts to restore previously-open editors (including

// diagram custom editors) from a prior session. Without this, restored editors

// trigger FileNotFound because initWorkspaceAndTree runs asynchronously later.

scaffoldTemplateFiles(memFs, folders[0].uri);

}

context.subscriptions.push(

vscode.debug.registerDebugAdapterDescriptorFactory("modelscript", new InlineDebugAdapterFactory()),

);

// Register URI handler for vscode://modelscript.modelscript/install?package=xyz

context.subscriptions.push(

vscode.window.registerUriHandler({

handleUri(uri: vscode.Uri) {

if (uri.path === "/install" || uri.path === "install") {

const query = new URLSearchParams(uri.query);

const pkg = query.get("package");

const version = query.get("version");

if (pkg) {

vscode.commands.executeCommand("modelscript.registry.install", pkg, version || "latest");

}

}),

);

setLspDebugCallbacks(

async (program: string) => {

let uri = program;

try {

const doc = vscode.workspace.textDocuments.find((d) => d.uri.path === program || d.fileName === program);

if (doc) uri = doc.uri.toString();

else uri = vscode.Uri.file(program).toString();

} catch {

/* ignore */

}

if (client) {

const result = await client.sendRequest<{ error?: string }>("modelscript/simulateDebug", { uri });

if (result && result.error) {

vscode.window.showErrorMessage(`Debugger failed to start: ${result.error}`);

}

return result;

}

return { error: "LSP Client not active" };

async () => {

if (client) await client.sendRequest("modelscript/debuggerContinue");

async () => {

if (client) return client.sendRequest("modelscript/debuggerVariables");

return [];

async (program: string, bps: { line: number; column?: number }[]) => {

let uri = program;

try {

const doc = vscode.workspace.textDocuments.find((d) => d.uri.path === program || d.fileName === program);

if (doc) uri = doc.uri.toString();

else uri = vscode.Uri.file(program).toString();

} catch {

/* ignore */

}

if (client) await client.sendNotification("modelscript/setBreakpoints", { uri, breakpoints: bps });

async () => {

if (client) await client.sendRequest("modelscript/debuggerContinue", { step: true });

);

context.subscriptions

.push

// We can't push 'client.onNotification' to subscriptions directly, but we can set it up after client init.

// In browserClientMain.ts, the client is initialized later, so we'll just wait for it.

();

// Clean up any stale Modelica color overrides persisted by a previous version.

// VS Code's built-in themes (Dark Modern, Light Modern) already color the LSP's

// standard semantic token types correctly, matching Morsel's colors.

const config = workspace.getConfiguration();

if (config.get("editor.semanticTokenColorCustomizations")) {

await config.update("editor.semanticTokenColorCustomizations", undefined, vscode.ConfigurationTarget.Global);

}

if (config.get("editor.tokenColorCustomizations")) {

await config.update("editor.tokenColorCustomizations", undefined, vscode.ConfigurationTarget.Global);

}

// Register virtual document provider and custom editor for FMU files

fmuContentProvider = new FmuContentProvider();

context.subscriptions.push(workspace.registerTextDocumentContentProvider(FMU_VIEW_SCHEME, fmuContentProvider));

const fmuEditor = new FmuEditorProvider(fmuContentProvider);

context.subscriptions.push(

vscode.window.registerCustomEditorProvider(FmuEditorProvider.viewType, fmuEditor, {

supportsMultipleEditorsPerDocument: false,

webviewOptions: { retainContextWhenHidden: false },

}),

);

// Register virtual document provider and custom editor for SSP files

sspContentProvider = new SspContentProvider();

context.subscriptions.push(workspace.registerTextDocumentContentProvider(SSP_VIEW_SCHEME, sspContentProvider));

const sspEditor = new SspEditorProvider(sspContentProvider);

context.subscriptions.push(

vscode.window.registerCustomEditorProvider(SspEditorProvider.viewType, sspEditor, {

webviewOptions: { retainContextWhenHidden: true },

}),

);

// Physics editor is registered after the LSP client starts (needs client for STEP meshes)

const documentSelector = [

{ language: "modelica" },

{ language: "sysml" },

{ language: "step" },

{ language: "owl2" },

{ pattern: "**/*.{js,ts}" },

];

// Options to control the language client

const lspOutputChannel = vscode.window.createOutputChannel("ModelScript Language Server");

const clientOptions: LanguageClientOptions = {

documentSelector,

synchronize: {},

initializationOptions: {

extensionUri: context.extensionUri.toString(),

registryUrl:

vscode.workspace.getConfiguration("modelscript").get("registryUrl") ||

(typeof location !== "undefined" && (location.hostname === "localhost" || location.hostname === "127.0.0.1")

? `${location.protocol}//${location.hostname}:3000`

: "https://api.modelscript.org"),

useLocalMsl: !(vscode.workspace.getConfiguration("modelscript").get("library.useApiRegistry") ?? false),

projectDependencies: await getProjectDependencies(),

outputChannel: lspOutputChannel,

};

client = await createWorkerLanguageClient(context, clientOptions);

try {

await client.start();

console.log("ModelScript language server is ready");

lspOutputChannel.appendLine("[client] Language server started successfully");

// Register 3D CAD step viewer

const stepEditor = new StepEditorProvider(context, client);

context.subscriptions.push(

vscode.window.registerCustomEditorProvider(StepEditorProvider.viewType, stepEditor, {

webviewOptions: { retainContextWhenHidden: true },

}),

);

// Register GCode viewer

const gcodeEditor = new GCodeEditorProvider(context);

context.subscriptions.push(

vscode.window.registerCustomEditorProvider(GCodeEditorProvider.viewType, gcodeEditor, {

webviewOptions: { retainContextWhenHidden: true },

}),

);

} catch (e) {

console.error("ModelScript language server failed to start:", e);

lspOutputChannel.appendLine(`[client] Language server FAILED to start: ${e}`);

}

client.onNotification("modelscript/debuggerStopped", (params: { uri?: string; line?: number; column?: number }) => {

if (activeDebugSession) {

activeDebugSession.lastStoppedUri = params.uri;

activeDebugSession.lastStoppedLine = params.line;

activeDebugSession.lastStoppedColumn = params.column;

activeDebugSession.sendEvent(new StoppedEvent("step", 1));

}

});

// Register AI integration components (proposed APIs — may not be available in web builds)

try {

registerLLMProvider(context);

} catch {

/* proposed API not available */

}

// Note: registerChatParticipant requires a chatParticipants manifest entry — use the custom ChatPanel instead

try {

registerMCPTools(context, client);

} catch {

/* proposed API not available */

}

// Register chat view provider (secondary sidebar)

if (client) {

const chatProvider = new ChatViewProvider(context.extensionUri, client);

context.subscriptions.push(

vscode.window.registerWebviewViewProvider(ChatViewProvider.viewType, chatProvider, {

webviewOptions: { retainContextWhenHidden: true },

}),

);

}

// Custom chat panel (works without VS Code Chat API / Copilot)

context.subscriptions.push(

vscode.commands.registerCommand("modelscript.openChat", () => {

vscode.commands.executeCommand("modelscript.chat.focus");

}),

);

// Output channel for script execution

const outputChannel = vscode.window.createOutputChannel("ModelScript Output");

context.subscriptions.push(outputChannel);

// Register notebook serializer and controller

context.subscriptions.push(

vscode.workspace.registerNotebookSerializer("modelscript-notebook", new ModelicaNotebookSerializer()),

);

const notebookController = new ModelicaNotebookController();

notebookController.client = client;

context.subscriptions.push(notebookController);

// Create diagram editor provider (needed before tree registration for drag callback)

const diagramProvider = new DiagramEditorProvider(context, client);

// Register library tree view (before status handler so we can refresh on ready)

const treeProvider = new LibraryTreeProvider(client);

treeProvider.onDragStart = (data) => {

diagramProvider.postToActiveWebviews({ type: "startPlacement", ...data });

};

const treeView = vscode.window.createTreeView("modelscript.libraryTree", {

treeDataProvider: treeProvider,

dragAndDropController: treeProvider,

canSelectMany: false,

});

context.subscriptions.push(treeView);

context.subscriptions.push(

vscode.commands.registerCommand("modelscript.libraryView.refresh", () => {

treeProvider.refresh();

}),

);

// Register MQTT participant tree view

const mqttTreeProvider = new MqttTreeProvider(client, context);

const mqttTreeView = vscode.window.createTreeView("modelscript.mqttTree", {

treeDataProvider: mqttTreeProvider,

dragAndDropController: mqttTreeProvider,

canSelectMany: false,

});

context.subscriptions.push(mqttTreeView);

mqttTreeProvider.startPolling();

// Register experiments tree view (discovers experiment annotations)

const experimentsTreeProvider = new ExperimentsTreeProvider(client);

const experimentsTreeView = vscode.window.createTreeView("modelscript.experimentsView", {

treeDataProvider: experimentsTreeProvider,

canSelectMany: false,

});

context.subscriptions.push(experimentsTreeView);

// Register OWL2 Protégé-style class hierarchy tree view

const owl2ClassProvider = new OWL2ClassHierarchyProvider(client);

const owl2ClassTreeView = vscode.window.createTreeView("modelscript.owl2ClassHierarchy", {

treeDataProvider: owl2ClassProvider,

canSelectMany: false,

});

context.subscriptions.push(owl2ClassTreeView);

// Register OWL2 Protégé-style property hierarchy tree view

const owl2PropProvider = new OWL2PropertyHierarchyProvider(client);

const owl2PropTreeView = vscode.window.createTreeView("modelscript.owl2PropertyHierarchy", {

treeDataProvider: owl2PropProvider,

canSelectMany: false,

});

context.subscriptions.push(owl2PropTreeView);

// Register ModelScript package registry tree view (Extensions-bar style)

registerRegistryView(context, client);

// Register REPL terminal command

if (client) {

registerRepl(context, client);

}

// Register co-simulation panel (sidebar webview)

const cosimProvider = new CosimViewProvider(context.extensionUri, client);

context.subscriptions.push(

vscode.window.registerWebviewViewProvider(CosimViewProvider.viewType, cosimProvider, {

webviewOptions: { retainContextWhenHidden: true },

}),

);

// Status bar item to show loading progress

const statusItem = vscode.window.createStatusBarItem(vscode.StatusBarAlignment.Left, -100);

statusItem.text = "$(sync~spin) ModelScript: Loading...";

statusItem.tooltip = "ModelScript language server is initializing";

statusItem.show();

context.subscriptions.push(statusItem);

// Listen for status notifications from the LSP server

let isScmRegistered = false;

let hideTimeout: NodeJS.Timeout | null = null;

client.onNotification("modelscript/status", (params: { state: string; message: string }) => {

if (hideTimeout) {

clearTimeout(hideTimeout);

hideTimeout = null;

}

switch (params.state) {

case "loading":

statusItem.show();

statusItem.text = `$(sync~spin) ${params.message}`;

statusItem.tooltip = "ModelScript is loading...";

break;

case "ready":

statusItem.show();

statusItem.text = `$(check) ${params.message}`;

statusItem.tooltip = "ModelScript language server is ready";

hideTimeout = setTimeout(() => statusItem.hide(), 5000);

// Auto-refresh UI components now that LSP is fully initialized

treeProvider.refresh();

experimentsTreeProvider.refresh();

// Register integrations only once

if (!isScmRegistered) {

isScmRegistered = true;

// Register SCM Integration

registerScmIntegration(context, client);

// Register SCM Structural Tree View

registerScmTreeView(context, client);

// Register Semantic Diff Comments for diff editors

registerSemanticDiffComments(context, client);

}

// Resolve markdown variable values, requirements, and diagram data.

// Single delayed call — the workspace index needs time to populate

// before the first fetch. Subsequent updates are handled by the

// debounced onDidChangeTextDocument listener.

setTimeout(() => refreshMarkdownData(), 3000);

break;

case "error":

statusItem.text = `$(warning) ${params.message}`;

statusItem.tooltip = "ModelScript encountered an error during initialization";

break;

}

});

client.onNotification(

"modelscript/cosimStream",

async (msg: { type: string; participantId: string; time: number; data: number[] }) => {

// Forward the co-simulation streaming events to the CAD Viewer React webview

const { CadViewerPanel } = await import("./cadViewerPanel");

if (CadViewerPanel.currentPanel) {

// Send message with type VTK_PAYLOAD so that VtkRenderer can pick it up

if (msg.type === "vtk") {

CadViewerPanel.currentPanel.postMessage({

type: "VTK_PAYLOAD",

data: {

pid: msg.participantId,

time: msg.time,

buffer: new Uint8Array(msg.data), // Parse Array back to typed array

});

} else {

// Forward general step or complete events

CadViewerPanel.currentPanel.postMessage(msg);

}

);

// Update tree when active editor changes to a .mo or .owl2 file

context.subscriptions.push(

vscode.window.onDidChangeActiveTextEditor((editor) => {

if (editor?.document.languageId === "modelica") {

treeProvider.setDocumentUri(editor.document.uri.toString());

}

// Refresh OWL2 hierarchy views when an OWL2 file is active

if (editor?.document.languageId === "owl2") {

const uri = editor.document.uri.toString();

owl2ClassProvider.setDocumentUri(uri);

owl2PropProvider.setDocumentUri(uri);

}

// Set context keys for palette visibility

vscode.commands.executeCommand("setContext", "modelscript.sysml2Active", editor?.document.languageId === "sysml");

vscode.commands.executeCommand("setContext", "modelscript.owl2Active", editor?.document.languageId === "owl2");

}),

);

// ── Viewport tracking for prioritized linting ────────────────────────

// Send visible line ranges to the LSP server when the user scrolls.

// The server uses this to prioritize linting symbols in the visible area.

let visibleRangeTimer: ReturnType<typeof setTimeout> | undefined;

context.subscriptions.push(

vscode.window.onDidChangeTextEditorVisibleRanges((e) => {

if (!client) return;

const langId = e.textEditor.document.languageId;

if (langId !== "modelica" && langId !== "sysml" && langId !== "sysml2") return;

clearTimeout(visibleRangeTimer);

visibleRangeTimer = setTimeout(() => {

const uri = e.textEditor.document.uri.toString();

const ranges = e.visibleRanges.map((r) => ({

startLine: r.start.line,

endLine: r.end.line,

}));

client?.sendNotification("modelscript/visibleRanges", { uri, ranges });

}, 150);

}),

);

// Trigger once for the initially active editor (since the event doesn't fire for the first tab)

if (vscode.window.activeTextEditor?.document.languageId === "modelica") {

treeProvider.setDocumentUri(vscode.window.activeTextEditor.document.uri.toString());

}

// Register commands

context.subscriptions.push(

commands.registerCommand("modelscript.openDiagram", async () => {

const activeEditor = vscode.window.activeTextEditor;

if (

activeEditor &&

(activeEditor.document.languageId === "modelica" || activeEditor.document.languageId === "sysml")

) {

try {

// Ensure the file exists on the filesystem before opening the custom editor.

// In memfs workspaces, files created in the text editor buffer may not be persisted

// to the MemoryFileSystemProvider yet, causing CustomTextEditorProvider to fail.

const docUri = activeEditor.document.uri;

if (docUri.scheme === "memfs") {

const content = new TextEncoder().encode(activeEditor.document.getText());

await workspace.fs.writeFile(docUri, content);

}

await vscode.commands.executeCommand("vscode.openWith", docUri, DiagramEditorProvider.viewType);

} catch (e: unknown) {

vscode.window.showErrorMessage(`Failed to open diagram: ${(e as Error)?.message || e}`);

}

}),

commands.registerCommand("modelscript.openDiagramSource", () => {

const tab = vscode.window.tabGroups.activeTabGroup.activeTab;

if (tab?.input instanceof vscode.TabInputCustom && tab.input.viewType === DiagramEditorProvider.viewType) {

vscode.commands.executeCommand("vscode.openWith", tab.input.uri, "default");

}

}),

commands.registerCommand("modelscript.openStepViewer", () => {

vscode.window.showInformationMessage(

"Clicking on a .step file in the explorer now opens the 3D Viewer directly.",

);

}),

commands.registerCommand("modelscript.openGCodeViewer", () => {

vscode.window.showInformationMessage(

"Clicking on a .gcode file in the explorer now opens the Toolpath Viewer directly.",

);

}),

commands.registerCommand("modelscript.exportShapeToStep", async () => {

if (!client) return;

const editor = vscode.window.activeTextEditor;

if (!editor || editor.document.languageId !== "modelica") {

vscode.window.showErrorMessage("Please open a Modelica file containing a shape class.");

return;

}

const uri = editor.document.uri.toString();

let symbols: vscode.DocumentSymbol[] | unknown[] | undefined;

try {

symbols = await vscode.commands.executeCommand<vscode.DocumentSymbol[] | unknown[]>(

"vscode.executeDocumentSymbolProvider",

editor.document.uri,

);

} catch (e) {

vscode.window.showErrorMessage("Error fetching symbols: " + e);

}

const classNames: string[] = [];

if (symbols && symbols.length > 0) {

const extractClasses = (syms: vscode.DocumentSymbol[], prefix: string) => {

for (const sym of syms) {

const fullName = prefix ? `${prefix}.${sym.name}` : sym.name;

// Include everything except primitive variables/fields

if (

sym.kind !== vscode.SymbolKind.Variable &&

sym.kind !== vscode.SymbolKind.Property &&

sym.kind !== vscode.SymbolKind.Field &&

sym.kind !== vscode.SymbolKind.Constant &&

sym.kind !== vscode.SymbolKind.Function &&

sym.kind !== vscode.SymbolKind.Method

) {

classNames.push(fullName);

}

if (sym.children && sym.children.length > 0) {

extractClasses(sym.children, fullName);

}

};

extractClasses(symbols, "");

}

let className: string | undefined;

if (classNames.length === 1) {

className = classNames[0];

} else if (classNames.length > 1) {

className = await vscode.window.showQuickPick(classNames, {

placeHolder: "Select the shape class to export to STEP",

});

} else {

className = await vscode.window.showInputBox({

prompt: `Enter shape class (Fallback - symbols: ${symbols?.length || "undefined"})`,

placeHolder: "e.g., DroneCAD.DroneChassis",

});

}

if (!className) return;

try {

const result = await client.sendRequest<{ step: string; name: string }>("modelscript/exportShapeToStep", {

uri,

className,

});

if (result && result.step) {

// Write to file

const folder = vscode.workspace.workspaceFolders?.[0]?.uri || vscode.Uri.file("/");

const fileUri = vscode.Uri.joinPath(folder, `${result.name.split(".").pop()}.step`);

await vscode.workspace.fs.writeFile(fileUri, new TextEncoder().encode(result.step));

vscode.window.showInformationMessage(`Exported ${result.name} to ${fileUri.fsPath}`);

// Open the generated step file

vscode.commands.executeCommand("vscode.openWith", fileUri, "modelscript.stepEditor");

}

} catch (e: unknown) {

vscode.window.showErrorMessage(`Failed to export shape: ${e instanceof Error ? e.message : e}`);

}

}),

commands.registerCommand("modelscript.owl2.openDiagram", () => {

if (!client) return;

const editor = vscode.window.activeTextEditor;

const uri = editor?.document.languageId === "owl2" ? editor.document.uri.toString() : undefined;

OWL2DiagramPanel.createOrShow(client, uri);

}),

commands.registerCommand("modelscript.owl2.goToDeclaration", async (iri: string) => {

if (!client) return;

try {

const result = await client.sendRequest<{ uri: string; line: number; character: number } | null>(

"modelscript/owl2/goToDeclaration",

{ iri },

);

if (result) {

const doc = await vscode.workspace.openTextDocument(vscode.Uri.parse(result.uri));

const pos = new vscode.Position(result.line, result.character);

await vscode.window.showTextDocument(doc, { selection: new vscode.Range(pos, pos) });

}

} catch (e) {

console.error("[owl2] Failed to navigate to declaration:", e);

}

}),

commands.registerCommand("modelscript.owl2.refreshClassHierarchy", () => {

owl2ClassProvider.refresh();

}),

commands.registerCommand("modelscript.owl2.refreshPropertyHierarchy", () => {

owl2PropProvider.refresh();

}),

commands.registerCommand("modelscript.openCadExample", async () => {

// 1. Get the example file path

const folder = vscode.workspace.workspaceFolders?.[0]?.uri;

if (!folder) {

vscode.window.showErrorMessage("Please open a workspace folder first.");

return;

}

// Assuming the user has copied the example or we use memfs

// To ensure it exists, we can scaffold it or find it if we saved it in memfs

const sysmlUri = vscode.Uri.joinPath(folder, "drone_architecture.sysml");

const stepUri = vscode.Uri.joinPath(folder, "drone.step");

try {

const sysmlContent = `package DroneArchitecture {

import DroneCAD::*;

part def DroneAssembly {

part chassis : Chassis;

part rotor1 : Rotor;

part rotor2 : Rotor;

part rotor3 : Rotor;

part rotor4 : Rotor;

// Reference CAD geometry directly from the STEP file!

ref chassisGeometry = DroneCAD::ChassisShape;

}

part def Chassis {}

part def Rotor {}

}`;

await vscode.workspace.fs.writeFile(sysmlUri, new TextEncoder().encode(sysmlContent));

const stepContent = `ISO-10303-21;

HEADER;

FILE_DESCRIPTION((''),'2;1');

FILE_NAME('drone','2023-10-23T00:00:00',(''),(''),'','','');

FILE_SCHEMA(('AUTOMOTIVE_DESIGN { 1 0 10303 214 1 1 1 1 }'));

ENDSEC;

DATA;

#1=APPLICATION_PROTOCOL_DEFINITION('international standard','automotive_design',2001,#2);

#2=APPLICATION_CONTEXT('core data for automotive mechanical design processes');

#3=SHAPE_DEFINITION_REPRESENTATION(#4,#10);

#4=PRODUCT_DEFINITION_SHAPE('','',#5);

#5=PRODUCT_DEFINITION('design','',#6,#9);

#6=PRODUCT_DEFINITION_FORMATION('','',#7);

#7=PRODUCT('DroneCAD','DroneCAD','',(#8));

#8=PRODUCT_CONTEXT('',#2,'mechanical');

#9=DESIGN_CONTEXT('',#2,'design');

#10=SHAPE_REPRESENTATION('',(#11),#15);

#11=AXIS2_PLACEMENT_3D('',#12,#13,#14);

#12=CARTESIAN_POINT('',(0.,0.,0.));

#13=DIRECTION('',(0.,0.,1.));

#14=DIRECTION('',(1.,0.,0.));

#15=(GEOMETRIC_REPRESENTATION_CONTEXT(3)GLOBAL_UNCERTAINTY_ASSIGNED_CONTEXT((#16))GLOBAL_UNIT_ASSIGNED_CONTEXT((#17,#18,#19))REPRESENTATION_CONTEXT('Context #1','3D Context with PROGRAM and LENGTH unit'));

#16=UNCERTAINTY_MEASURE_WITH_UNIT(LENGTH_MEASURE(1.E-07),#17,'distance_accuracy_value','confusion accuracy');

#17=(LENGTH_UNIT()NAMED_UNIT(*)SI_UNIT(.MILLI.,.METRE.));

#18=(NAMED_UNIT(*)PLANE_ANGLE_UNIT()SI_UNIT($,.RADIAN.));

#19=(NAMED_UNIT(*)SI_UNIT($,.STERADIAN.)SOLID_ANGLE_UNIT());

#20=ADVANCED_BREP_SHAPE_REPRESENTATION('',(#11,#21),#15);

#21=MANIFOLD_SOLID_BREP('ChassisShape',#22);

#22=CLOSED_SHELL('',(#23));

#23=ADVANCED_FACE('',(#24),#29,.T.);

#24=FACE_BOUND('',#25,.T.);

#25=EDGE_LOOP('',(#26,#27,#28));

#26=ORIENTED_EDGE('',*,*,#30,.T.);

#27=ORIENTED_EDGE('',*,*,#31,.T.);

#28=ORIENTED_EDGE('',*,*,#32,.T.);

#29=PLANE('',#33);

#30=EDGE_CURVE('',#34,#35,#36,.T.);

#31=EDGE_CURVE('',#35,#37,#38,.T.);

#32=EDGE_CURVE('',#37,#34,#39,.T.);

#33=AXIS2_PLACEMENT_3D('',#40,#41,#42);

#34=VERTEX_POINT('',#43);

#35=VERTEX_POINT('',#44);

#36=LINE('',#45,#46);

#37=VERTEX_POINT('',#47);

#38=LINE('',#48,#49);

#39=LINE('',#50,#51);

#40=CARTESIAN_POINT('',(0.,0.,0.));

#41=DIRECTION('',(0.,0.,1.));

#42=DIRECTION('',(1.,0.,0.));

#43=CARTESIAN_POINT('',(0.,0.,0.));

#44=CARTESIAN_POINT('',(10.,0.,0.));

#45=CARTESIAN_POINT('',(0.,0.,0.));

#46=VECTOR('',#52,1.);

#47=CARTESIAN_POINT('',(0.,10.,0.));

#48=CARTESIAN_POINT('',(10.,0.,0.));

#49=VECTOR('',#53,1.);

#50=CARTESIAN_POINT('',(0.,10.,0.));

#51=VECTOR('',#54,1.);

#52=DIRECTION('',(1.,0.,0.));

#53=DIRECTION('',(-0.707106781186547,0.707106781186547,0.));

#54=DIRECTION('',(0.,-1.,0.));

ENDSEC;

END-ISO-10303-21;`;

await vscode.workspace.fs.writeFile(stepUri, new TextEncoder().encode(stepContent));

// Open the SysML file in the left pane

const doc = await vscode.workspace.openTextDocument(sysmlUri);

await vscode.window.showTextDocument(doc, { viewColumn: vscode.ViewColumn.One });

// Wait a short bit to allow the LSP to index the step file when it's created

setTimeout(() => {

// Open the Step viewer in the right pane natively using the custom editor

vscode.commands.executeCommand("vscode.open", vscode.Uri.parse(stepUri), {

viewColumn: vscode.ViewColumn.Two,

preserveFocus: true,

});

}, 1000);

} catch (e) {

vscode.window.showErrorMessage(`Failed to open CAD example: ${e}`);

}

}),

commands.registerCommand("modelscript.runSimulation", async () => {

if (!client) return;

const editor = vscode.window.activeTextEditor;

if (editor?.document.fileName.endsWith(".mos")) {

outputChannel.clear();

outputChannel.show(true);

try {

const result = await client.sendRequest<{ output: string }>("modelscript/runScript", {

uri: editor.document.uri.toString(),

});

outputChannel.appendLine(result.output || "(no output)");

} catch (e) {

outputChannel.appendLine(`Error: ${e}`);

}

} else if (editor?.document.uri.scheme === "fmu-view") {

outputChannel.clear();

outputChannel.show(true);

try {

const name = editor.document.uri.path.replace(/^\//, "");

const fmuBytes = fmuContentProvider?.getFmuBytes(name);

if (!fmuBytes) {

vscode.window.showErrorMessage("FMU data not found in cache.");

return;

}

const jsBytes = extractFromZip(fmuBytes, "resources/model.js");

if (!jsBytes) {

vscode.window.showErrorMessage("No resources/model.js found in FMU. Please re-export the FMU.");

return;

}

const jsCode = new TextDecoder().decode(jsBytes);

// Evaluate the JS inside a safe function

const FmuModelConstructor = new Function(

jsCode + "\\nreturn typeof FmuModel !== 'undefined' ? FmuModel : FmuModel;",

)();

const inst = new FmuModelConstructor();

let t = 0.0;

const dt = 0.01;

const tStop = 10.0;

// Collect series data

const result: { time: number[]; series: Record<string, number[]> } = { time: [], series: {} };

for (let i = 0; i < inst.vars.length; i++) {

result.series[`var_${i}`] = [];

}

inst.doStep(0, 0); // initial eval

while (t <= tStop) {

result.time.push(t);

for (let i = 0; i < inst.vars.length; i++) {

result.series[`var_${i}`].push(inst.vars[i]);

}

inst.doStep(t, dt);

t += dt;

}

// Remap vars names from scalarVariables via modelDescription inside the text

// Currently, the model is generated with specific variables, we can just send the raw vars array

// or parse the text of the editor which contains the Modelica variables.

// For now, let's parse the virtual document text which has the variables!

const text = editor.document.getText();

const varLines = text.split("\\n").filter((line) => line.includes("/* VR="));

const states: string[] = [];

const y: number[][] = [];

for (const line of varLines) {

View remainder of file in raw view

modelscript/extensions/vscode/src/browserClientMain.ts at main · modelscript/modelscript · GitHub

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