Global entry-name search across data sources

package.json

@@ -128,6 +128,12 @@
         "title": "View as Table",
         "category": "Data Explorer",
         "icon": "$(table)"
+      },
+      {
+        "command": "dataExplorer.searchDataSources",
+        "title": "Search Data Source Entries",
+        "category": "Data Explorer",
+        "icon": "$(search)"
       }
     ],
     "menus": {
@@ -152,8 +158,22 @@
           "command": "dataExplorer.viewAsTable",
           "when": "resourceExtname == .sldd"
         }
+      ],
+      "view/title": [
+        {
+          "command": "dataExplorer.searchDataSources",
+          "when": "view == dataExplorer.sections",
+          "group": "navigation@1"
+        }
       ]
-    }
+    },
+    "keybindings": [
+      {
+        "command": "dataExplorer.searchDataSources",
+        "key": "ctrl+alt+e",
+        "mac": "cmd+alt+e"
+      }
+    ]
   },
   "scripts": {
     "build:webview": "vite build",

src/extension.ts

@@ -8,8 +8,10 @@ import { BinarySlddEditorProvider } from './host/BinarySlddEditorProvider.js';
 import { HealthDecorationProvider } from './host/HealthDecorationProvider.js';
 import { invalidate, findNode } from './host/SlddModel.js';
 import { isEditableJsonSlddBytes, exceedsTextSyncLimit, isZipBytes } from './host/slddFormat.js';
-import { handleNavigate } from './host/navigate.js';
+import { handleNavigate, requestSelect } from './host/navigate.js';
 import { invalidateUsageGraph } from './host/usageGraph.js';
+import { searchDataSources } from './host/searchSources.js';
+import { listEntries, reindexFile, removeFile } from './host/nameIndex.js';
 import { isSectionRowId } from './common/sectionRowId.js';
 
 const SUPPORTED_RE = /\.(sldd|mat|slx|prj)$/;
@@ -158,13 +160,24 @@ export function activate(context: vscode.ExtensionContext): void {
       piProvider,
     ),
     watcher,
-    // Files added/removed change the root list.
-    watcher.onDidCreate(refreshAll),
-    watcher.onDidDelete(refreshAll),
+    // Files added/removed change the root list. Also keep the name index in sync:
+    // reindex the new file / drop the removed file's bucket. Both index ops are
+    // no-ops until the index is first built (by the first search), so they're
+    // cheap when search has never been opened.
+    watcher.onDidCreate((uri) => {
+      void reindexFile(uri);
+      refreshAll();
+    }),
+    watcher.onDidDelete((uri) => {
+      removeFile(uri.toString());
+      refreshAll();
+    }),
     // A file's contents changed: drop its cached model (table) and rebuild the
-    // reference index (tree), since edits may add or remove references.
+    // reference index (tree), since edits may add or remove references. Also
+    // reindex its entry names (no-op until the index is first built).
     watcher.onDidChange((uri) => {
       invalidate(uri.toString());
+      void reindexFile(uri);
       refreshAll();
     }),
     // Live edits in an open editor: invalidate the cached model and refresh.
@@ -173,8 +186,11 @@ export function activate(context: vscode.ExtensionContext): void {
         invalidate(e.document.uri.toString());
       }
       // A dirty-state transition on any supported file changes the "modified"
-      // health badge, so refresh decorations for supported docs.
+      // health badge, so refresh decorations for supported docs. Also re-sync
+      // the name index for live entry-name edits (e.g. renaming an entry in an
+      // open .sldd); reindexFile is a no-op until the index is first built.
       if (SUPPORTED_RE.test(e.document.uri.path)) {
+        void reindexFile(e.document.uri);
         refreshAll();
       }
     }),
@@ -222,6 +238,14 @@ export function activate(context: vscode.ExtensionContext): void {
         /* ignore */
       }
     }),
+    // Global entry-name search overlay: pick an entry by name across all data
+    // sources, then open its source file and select the matching row.
+    vscode.commands.registerCommand('dataExplorer.searchDataSources', () =>
+      searchDataSources(listEntries, async (sourceUri, entryName) => {
+        requestSelect(sourceUri, entryName);
+        await openInBestEditor(vscode.Uri.parse(sourceUri), { preview: true });
+      }),
+    ),
   );
 }
 

src/host/BinaryEditorProvider.ts

@@ -1,6 +1,6 @@
 // Copyright 2026 The MathWorks, Inc.
 import * as vscode from 'vscode';
-import { renderWebviewHtml } from './webviewHtml.js';
+import { renderWebviewHtml, LOADING_OVERLAY_HTML } from './webviewHtml.js';
 import { getModelFromBytes, getProjectModel, invalidate } from './SlddModel.js';
 import {
   buildRows,
@@ -14,7 +14,7 @@ import { buildMatRows } from './matRowBuilder.js';
 import { readProjectStore } from './projectStore.js';
 import { isEditableJsonSlddBytes, exceedsTextSyncLimit, exceedsStringDecodeLimit, isZipBytes } from './slddFormat.js';
 import { annotateDataRows, annotateModelRows } from './usageGraph.js';
-import { wireNavigateSelect, consumePendingSelect } from './navigate.js';
+import { wireNavigateSelect, drainNavigateSelect } from './navigate.js';
 import { basename } from '../common/pathUtil.js';
 import { toArrayBuffer } from '../common/bytes.js';
 import type { TableToHostMessage } from '../common/protocol.js';
@@ -157,12 +157,6 @@ export class BinaryEditorProvider implements vscode.CustomReadonlyEditorProvider
       return toArrayBuffer(await vscode.workspace.fs.readFile(document.uri));
     };
 
-    // If a cross-tab navigation targeted this file (e.g. it was just opened by a
-    // Usage-link click), select the requested row now that rows exist.
-    const drainNavSelect = (): void => {
-      const navName = consumePendingSelect(uriString);
-      if (navName) webview.postMessage({ type: 'selectByName', name: navName });
-    };
 
     // Read/parse the file host-side and push rows to the webview. On failure,
     // drop the cached model and post a banner.
@@ -182,7 +176,7 @@ export class BinaryEditorProvider implements vscode.CustomReadonlyEditorProvider
             columnLabels: PROJECT_COLUMN_LABELS,
             editable: false,
           });
-          drainNavSelect();
+          drainNavigateSelect(webview, uriString);
           return;
         }
 
@@ -211,7 +205,7 @@ export class BinaryEditorProvider implements vscode.CustomReadonlyEditorProvider
           editable: false,
           notice,
         });
-        drainNavSelect();
+        drainNavigateSelect(webview, uriString);
       } catch (err) {
         invalidate(uriString);
         webview.postMessage({
@@ -287,14 +281,10 @@ export class BinaryEditorProvider implements vscode.CustomReadonlyEditorProvider
     return renderWebviewHtml(webview, distRoot, {
       scriptFile: 'table.js',
       title: 'Data Explorer',
-      body: `    <style>@keyframes dex-spin { to { transform: rotate(360deg); } }</style>
-    <div id="dex-error" role="alert" style="display:none;color:var(--vscode-errorForeground,#f14c4c);padding:8px;font-family:var(--vscode-font-family,sans-serif);"></div>
+      body: `    <div id="dex-error" role="alert" style="display:none;color:var(--vscode-errorForeground,#f14c4c);padding:8px;font-family:var(--vscode-font-family,sans-serif);"></div>
     <div id="dex-notice" role="status" style="display:none;position:absolute;top:0;left:0;right:0;z-index:2;box-sizing:border-box;padding:6px 10px;font-family:var(--vscode-font-family,sans-serif);font-size:12px;color:var(--vscode-inputValidation-infoForeground,var(--vscode-foreground));background:var(--vscode-inputValidation-infoBackground,rgba(100,148,237,0.12));border-bottom:1px solid var(--vscode-inputValidation-infoBorder,#4084d0);"></div>
     <dex-tree-table style="position:absolute;inset:0;"></dex-tree-table>
-    <div id="dex-loading" role="status" aria-label="Loading" style="position:absolute;inset:0;z-index:3;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;font-family:var(--vscode-font-family,sans-serif);font-size:12px;color:var(--vscode-descriptionForeground,var(--vscode-foreground));background:var(--vscode-editor-background,transparent);">
-      <div style="width:28px;height:28px;border:3px solid var(--vscode-progressBar-background,#0e70c0);border-top-color:transparent;border-radius:50%;animation:dex-spin 0.8s linear infinite;"></div>
-      <div>Loading…</div>
-    </div>
+${LOADING_OVERLAY_HTML}
     <dex-context-menu></dex-context-menu>`,
     });
   }

src/host/BinarySlddEditorProvider.ts

@@ -18,7 +18,7 @@
 // cached model of the same file.
 import * as vscode from 'vscode';
 import { unzipSync, zipSync } from 'fflate';
-import { renderWebviewHtml } from './webviewHtml.js';
+import { renderWebviewHtml, LOADING_OVERLAY_HTML } from './webviewHtml.js';
 import { buildRows, COLUMNS, COLUMN_LABELS, COLUMN_GROUPS, type ClipMark } from './rowBuilder.js';
 import { sectionRules } from './sectionRules.js';
 import { parseBinarySlddParts } from '../dex/datamodel/parser/BinarySlddParser.js';
@@ -49,6 +49,7 @@ import {
   deleteFromSource,
 } from './editorHub.js';
 import { basename } from '../common/pathUtil.js';
+import { wireNavigateSelect, drainNavigateSelect } from './navigate.js';
 import type { TableToHostMessage } from '../common/protocol.js';
 
 // srcId prefix so the editable model never collides with the read-only
@@ -185,6 +186,7 @@ export class BinarySlddEditorProvider implements vscode.CustomEditorProvider<Bin
         });
         webview.postMessage({ type: 'sectionRules', docUri: uriString, rules: sectionRules(node) });
         webview.postMessage({ type: 'clipboardState', ...clipboardState() });
+        drainNavigateSelect(webview, uriString);
       } catch (err) {
         webview.postMessage({ type: 'error', message: `Failed to parse ${name}: ${(err as Error).message}` });
       }
@@ -475,11 +477,16 @@ export class BinarySlddEditorProvider implements vscode.CustomEditorProvider<Bin
       } else if (msg?.type === 'undo' || msg?.type === 'redo') void vscode.commands.executeCommand(msg.type);
     });
 
+    // Live cross-tab selection: if a navigation targets THIS already-open file,
+    // select the row immediately (the just-opened case is drained in post()).
+    const navSub = wireNavigateSelect(webview, uriString);
+
     webview.html = renderWebviewHtml(webview, distRoot, {
       scriptFile: 'table.js',
       title: 'Data Explorer',
       body: `    <div id="dex-error" role="alert" style="display:none;color:var(--vscode-errorForeground,#f14c4c);padding:8px;font-family:var(--vscode-font-family,sans-serif);"></div>
     <dex-tree-table style="position:absolute;inset:0;"></dex-tree-table>
+${LOADING_OVERLAY_HTML}
     <dex-context-menu></dex-context-menu>
     <dex-error-dialog></dex-error-dialog>`,
     });
@@ -494,6 +501,7 @@ export class BinarySlddEditorProvider implements vscode.CustomEditorProvider<Bin
         broadcastDragState();
       }
       sub.dispose();
+      navSub.dispose();
       document._afterMutate = undefined;
       clearBaseline(uriString);
     });

src/host/SlddTextEditorProvider.ts

@@ -1,6 +1,6 @@
 // Copyright 2026 The MathWorks, Inc.
 import * as vscode from 'vscode';
-import { renderWebviewHtml } from './webviewHtml.js';
+import { renderWebviewHtml, LOADING_OVERLAY_HTML } from './webviewHtml.js';
 import { getModel, invalidate, findNode } from './SlddModel.js';
 import { findEntrySpan, detectIndent } from './entrySplice.js';
 import { buildRows, COLUMNS, COLUMN_LABELS, COLUMN_GROUPS, type ClipMark } from './rowBuilder.js';
@@ -30,7 +30,7 @@ import {
   type StructuralResult,
 } from './structuralEdit.js';
 import { annotateDataRows } from './usageGraph.js';
-import { wireNavigateSelect, consumePendingSelect } from './navigate.js';
+import { wireNavigateSelect, drainNavigateSelect } from './navigate.js';
 import { basename } from '../common/pathUtil.js';
 import type { TableToHostMessage } from '../common/protocol.js';
 
@@ -127,10 +127,7 @@ export class SlddTextEditorProvider implements vscode.CustomTextEditorProvider {
             // a drop (dropDecision) live on dragover without a host round-trip.
             webview.postMessage({ type: 'sectionRules', docUri: uriString, rules: sectionRules(node) });
             webview.postMessage({ type: 'clipboardState', ...clipboardState() });
-            // If a cross-tab navigation targeted this file (e.g. it was just
-            // opened by a Usage-link click), select the requested row now.
-            const navName = consumePendingSelect(uriString);
-            if (navName) webview.postMessage({ type: 'selectByName', name: navName });
+            drainNavigateSelect(webview, uriString);
           });
       } catch (err) {
         invalidate(uriString);
@@ -661,6 +658,7 @@ export class SlddTextEditorProvider implements vscode.CustomTextEditorProvider {
       title: 'Data Explorer',
       body: `    <div id="dex-error" role="alert" style="display:none;color:var(--vscode-errorForeground,#f14c4c);padding:8px;font-family:var(--vscode-font-family,sans-serif);"></div>
     <dex-tree-table style="position:absolute;inset:0;"></dex-tree-table>
+${LOADING_OVERLAY_HTML}
     <dex-context-menu></dex-context-menu>
     <dex-error-dialog></dex-error-dialog>`,
     });

src/host/nameExtract.ts

@@ -0,0 +1,80 @@
+// Copyright 2026 The MathWorks, Inc.
+// Pure (vscode-free) core of the workspace name index: turns already-parsed
+// Simulink data-source content into flat, dup-preserving name records. Split
+// from nameIndex.ts (which does the file I/O + parser dispatch) so the
+// name-extraction rules are unit-testable without touching the filesystem.
+//
+// This module is deliberately independent of the usage graph (usageResolve.ts)
+// and the relationship graph: it answers only "what entry names exist, and
+// where", never how they resolve or relate. Duplicate names across files are
+// preserved (each becomes its own record) so a global "search entries by name"
+// can list every occurrence.
+import { uriBasename } from '../common/pathUtil.js';
+
+export type EntryKind = 'sldd' | 'mat' | 'workspace' | 'block';
+
+export interface NameRecord {
+  name: string;
+  sourceUri: string;
+  sourceLabel: string;
+  kind: EntryKind;
+}
+
+// Entry names from an .sldd (JSON or binary/zip; both share the in-memory
+// __MW_TEXT_PARTS__ shape). Traversal mirrors usageGraph's slddSummary:
+// content.__MW_TEXT_PARTS__['__MW_TEXT_PART__/data/chunk0'].__MW_TEXT_content.entries[].name.
+export function namesFromSldd(content: Record<string, unknown>, sourceUri: string): NameRecord[] {
+  const label = uriBasename(sourceUri);
+  const parts = content?.__MW_TEXT_PARTS__ as Record<string, unknown> | undefined;
+  const chunk = parts?.['__MW_TEXT_PART__/data/chunk0'] as Record<string, unknown> | undefined;
+  const inner = chunk?.__MW_TEXT_content as Record<string, unknown> | undefined;
+  const entries = (inner?.entries as { name?: string }[] | undefined) ?? [];
+  const records: NameRecord[] = [];
+  for (const entry of entries) {
+    const name = entry?.name;
+    if (!name) continue; // drop empty/falsy names
+    records.push({ name, sourceUri, sourceLabel: label, kind: 'sldd' });
+  }
+  return records;
+}
+
+// Variable names from a parsed .mat.
+export function namesFromMat(parsed: { variables: { name?: string }[] }, sourceUri: string): NameRecord[] {
+  const label = uriBasename(sourceUri);
+  const records: NameRecord[] = [];
+  for (const v of parsed?.variables ?? []) {
+    const name = v?.name;
+    if (!name) continue; // drop empty/falsy names
+    records.push({ name, sourceUri, sourceLabel: label, kind: 'mat' });
+  }
+  return records;
+}
+
+// Model-workspace variable names (kind 'workspace') plus referenced block names
+// (kind 'block') from a parsed .slx — both live in the same model file. A block
+// is emitted once even if it uses multiple params, deduped WITHIN this file via
+// a Set (the usage of a block many times is a graph concern, not a name one).
+export function namesFromSlx(
+  parsed: { workspace?: { name?: string }[]; blockParamUsages?: { blockName?: string }[] },
+  sourceUri: string,
+): NameRecord[] {
+  const label = uriBasename(sourceUri);
+  const records: NameRecord[] = [];
+
+  for (const v of parsed?.workspace ?? []) {
+    const name = v?.name;
+    if (!name) continue; // drop empty/falsy names
+    records.push({ name, sourceUri, sourceLabel: label, kind: 'workspace' });
+  }
+
+  const seenBlocks = new Set<string>();
+  for (const u of parsed?.blockParamUsages ?? []) {
+    const name = u?.blockName;
+    if (!name) continue; // drop empty/falsy names
+    if (seenBlocks.has(name)) continue; // one record per block within this file
+    seenBlocks.add(name);
+    records.push({ name, sourceUri, sourceLabel: label, kind: 'block' });
+  }
+
+  return records;
+}