Feature flag: C/C++ overlay

Author: IdrissRio

src/feature-flags.ts

@@ -9,6 +9,7 @@ import * as defaults from "./defaults.json";
 import { Logger } from "./logging";
 import {
   CODEQL_OVERLAY_MINIMUM_VERSION,
+  CODEQL_OVERLAY_MINIMUM_VERSION_CPP,
   CODEQL_OVERLAY_MINIMUM_VERSION_CSHARP,
   CODEQL_OVERLAY_MINIMUM_VERSION_GO,
   CODEQL_OVERLAY_MINIMUM_VERSION_JAVA,
@@ -57,6 +58,7 @@ export enum Feature {
   IgnoreGeneratedFiles = "ignore_generated_files",
   JavaNetworkDebugging = "java_network_debugging",
   OverlayAnalysis = "overlay_analysis",
+  OverlayAnalysisCodeScanningCpp = "overlay_analysis_code_scanning_cpp",
   OverlayAnalysisCodeScanningCsharp = "overlay_analysis_code_scanning_csharp",
   OverlayAnalysisCodeScanningGo = "overlay_analysis_code_scanning_go",
   OverlayAnalysisCodeScanningJava = "overlay_analysis_code_scanning_java",
@@ -197,6 +199,11 @@ export const featureConfig = {
   // Per-language overlay feature flags. Each has minimumVersion set to the
   // minimum CLI version that supports overlay analysis for that language.
   // Only languages that are GA or in staff-ship should have feature flags here.
+  [Feature.OverlayAnalysisCodeScanningCpp]: {
+    defaultValue: false,
+    envVar: "CODEQL_ACTION_OVERLAY_ANALYSIS_CODE_SCANNING_CPP",
+    minimumVersion: CODEQL_OVERLAY_MINIMUM_VERSION_CPP,
+  },
   [Feature.OverlayAnalysisCodeScanningCsharp]: {
     defaultValue: false,
     envVar: "CODEQL_ACTION_OVERLAY_ANALYSIS_CODE_SCANNING_CSHARP",

src/overlay/index.ts

@@ -35,6 +35,7 @@ export const CODEQL_OVERLAY_MINIMUM_VERSION = "2.23.8";
 
 // Per-language minimum CLI versions for overlay analysis, based on release
 // validation data.
+export const CODEQL_OVERLAY_MINIMUM_VERSION_CPP = "2.25.0";
 export const CODEQL_OVERLAY_MINIMUM_VERSION_CSHARP = "2.24.1";
 export const CODEQL_OVERLAY_MINIMUM_VERSION_GO = "2.24.2";
 export const CODEQL_OVERLAY_MINIMUM_VERSION_JAVA = "2.23.8";