feat(ext): support reverse linking, aka find usages

Author: glebbash

vscode-ext/lo.vsix

@@ -5,7 +5,7 @@
     "author": "glebbash",
     "publisher": "glebbash",
     "license": "MIT",
-    "version": "0.0.65",
+    "version": "0.0.67",
     "engines": {
         "vscode": "^1.88.0"
     },

vscode-ext/package-lock.json

@@ -51,15 +51,17 @@ export class FileAnalysisCollection
         position: vscode.Position,
         _token: vscode.CancellationToken
     ): vscode.ProviderResult<vscode.LocationLink[] | vscode.Definition> {
+        const outRefs = [];
+
         const links =
             this.analysisPerUri.get(document.uri.toString(true))?.links ?? [];
         for (const ref of links) {
             if (ref.originSelectionRange!.contains(position)) {
-                return [ref];
+                outRefs.push(ref);
             }
         }
 
-        return null;
+        return outRefs.length === 0 ? null : outRefs;
     }
 
     showMessages() {

vscode-ext/package.json

@@ -96,6 +96,12 @@ export async function activate(context: vscode.ExtensionContext) {
                         targetUri: analysisPerIndex.get(targetIndex)!.uri,
                         targetRange: targetRange,
                     });
+
+                    analysisPerIndex.get(targetIndex)!.links.push({
+                        originSelectionRange: targetRange,
+                        targetUri: fileDiagnostic.uri,
+                        targetRange: sourceRange,
+                    });
                 }
 
                 if (d.hover) {