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

CHANGELOG.md

@@ -8,12 +8,13 @@ Features:
 
 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)
 - No longer convert paths on lowercase on MacOS to enable cpp tools to resolve them. [#4325](https://github.com/microsoft/vscode-cmake-tools/pull/4325) [@tringenbach](https://github.com/tringenbach)
 
 Bug Fixes:
 
 - Fix bug that makes `Configure Task` lists only first folder in workspace. [#3232](https//github.com/microsoft/vscode-cmake-tools/issues/3232)
-- Fix displaying "Go to Test" in the Test Explorer when the DEF_SOURCE_LINE property is set, but there is no backtrace information present. [4321](https://github.com/microsoft/vscode-cmake-tools/pull/4321) [@rjaegers](https://github.com/rjaegers)
+- Fix displaying "Go to Test" in the Test Explorer when the DEF_SOURCE_LINE property is set, but there is no backtrace information present. [#4321](https://github.com/microsoft/vscode-cmake-tools/pull/4321) [@rjaegers](https://github.com/rjaegers)
 - Fix gnuld error parsing false positive on make errors, false negative due to trailing \r, and false parsing of new "multiple definitions" error [#2864](https://github.com/microsoft/vscode-cmake-tools/issues/2864) [@0xemgy](https://github.com/0xemgy)
 
 ## 1.20.53

package.json

@@ -3763,6 +3763,7 @@
     "@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",
@@ -3817,6 +3818,7 @@
     "@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)));
             }
 

yarn.lock

@@ -547,6 +547,11 @@
   resolved "https://pkgs.dev.azure.com/azure-public/VisualCpp/_packaging/cpp_PublicPackages/npm/registry/@types/chai/-/chai-4.3.1.tgz"
   integrity sha512-/zPMqDkzSZ8t3VtxOa4KPq7uzzW978M9Tvh+j7GHKuo6k6GTLxPJ4J5gE5cjfJ26pnXst0N5Hax8Sr0T2Mi9zQ==
 
+"@types/demangler-js@^0.1.0":
+  version "0.1.0"
+  resolved "https://pkgs.dev.azure.com/azure-public/VisualCpp/_packaging/cpp_PublicPackages/npm/registry/@types/demangler-js/-/demangler-js-0.1.0.tgz#938a0f160ece42b3cf8d46f3b0ab1218f46821e6"
+  integrity sha1-k4oPFg7OQrPPjUbzsKsSGPRoIeY=
+
 "@types/estree@^1.0.5":
   version "1.0.6"
   resolved "https://pkgs.dev.azure.com/azure-public/VisualCpp/_packaging/cpp_PublicPackages/npm/registry/@types/estree/-/estree-1.0.6.tgz#628effeeae2064a1b4e79f78e81d87b7e5fc7b50"
@@ -2232,6 +2237,11 @@ delegates@^1.0.0:
   resolved "https://pkgs.dev.azure.com/azure-public/VisualCpp/_packaging/cpp_PublicPackages/npm/registry/delegates/-/delegates-1.0.0.tgz"
   integrity sha1-hMbhWbgZBP3KWaDvRM2HDTElD5o=
 
+demangler-js@^0.1.7:
+  version "0.1.7"
+  resolved "https://pkgs.dev.azure.com/azure-public/VisualCpp/_packaging/cpp_PublicPackages/npm/registry/demangler-js/-/demangler-js-0.1.7.tgz#42454730da691746e35c5e8861900192be1cbc4d"
+  integrity sha1-QkVHMNppF0bjXF6IYZABkr4cvE0=
+
 deprecation@^2.0.0, deprecation@^2.3.1:
   version "2.3.1"
   resolved "https://pkgs.dev.azure.com/azure-public/VisualCpp/_packaging/cpp_PublicPackages/npm/registry/deprecation/-/deprecation-2.3.1.tgz"