feat: add name de-mangling for C++ symbols in the Test Explorer

CHANGELOG.md

@@ -1,5 +1,11 @@
 # What's New?
 
+## 1.21
+
+Improvements:
+
+- Add name de-mangling for C++ symbols in the Test Explorer view when running tests with coverage. [#4340](https://github.com/microsoft/vscode-cmake-tools/pull/4340) [@rjaegers](https://github.com/rjaegers)
+
 ## 1.20.53
 
 Improvements:

package.json

@@ -3757,6 +3757,7 @@
     "@types/chai": "^4.2.15",
     "@types/chai-as-promised": "^7.1.3",
     "@types/chai-string": "^1.4.2",
+    "@types/demangler-js": "^0.1.0",
     "@types/js-yaml": "^4.0.0",
     "@types/json5": "~0.0.30",
     "@types/lodash": "4.14.202",
@@ -3811,6 +3812,7 @@
     "@types/string.prototype.matchall": "^4.0.4",
     "ajv": "^7.1.0",
     "chokidar": "^3.5.1",
+    "demangler-js": "^0.1.7",
     "handlebars": "^4.7.7",
     "iconv-lite": "^0.6.2",
     "js-yaml": "^4.0.0",

src/coverage.ts

@@ -2,6 +2,7 @@ import * as vscode from 'vscode';
 import { lcovParser } from "@friedemannsommer/lcov-parser";
 import * as nls from 'vscode-nls';
 import * as logging from '@cmt/logging';
+import { demangle } from 'demangler-js';
 
 nls.config({ messageFormat: nls.MessageFormat.bundle, bundleFormat: nls.BundleFormat.standalone })();
 const localize: nls.LocalizeFunc = nls.loadMessageBundle();
@@ -60,7 +61,8 @@ export async function handleCoverageInfoFiles(run: vscode.TestRun, coverageInfoF
 
             const declarations: vscode.DeclarationCoverage[] = [];
             for (const declaration of section.functions.details) {
-                declarations.push(new vscode.DeclarationCoverage(declaration.name, declaration.hit,
+                const demangledName = demangle(declaration.name);
+                declarations.push(new vscode.DeclarationCoverage(demangledName, declaration.hit,
                     new vscode.Position(declaration.line - 1, 0)));
             }