buildKitVendor etc.. expansion for clang-cl support (#4524)

* buildKitVendor etc.. expansion for clang-cl support

* Updated CHANGELOG.md

---------

Co-authored-by: Will.Chou <[email protected]>

Author: wchou158

CHANGELOG.md

@@ -13,6 +13,7 @@ Improvements:
 
 - In the Test Explorer, associate CTest tests with outermost function or macro invocation that calls `add_test()` instead of with the `add_test()` call itself. [#4490](https://github.com/microsoft/vscode-cmake-tools/issues/4490) [@malsyned](https://github.com/malsyned)
 - Better support of cmake v4.1 and its error index files in cmake-file-api replies [#4575](https://github.com/microsoft/vscode-cmake-tools/issues/4575) Contributed by STMicroelectronics
+- Added support for clang-cl vendor detection: `${buildKitVendor}`, `${buildKitVersionMajor}`, etc. now expand correctly when using clang-cl on Windows [#4524](https://github.com/microsoft/vscode-cmake-tools/pull/4524) [@wchou158](https://github.com/wchou158)
 
 Bugs:
 - Fix Compiler Warnings not shown in Problems Window [#4567]https://github.com/microsoft/vscode-cmake-tools/issues/4567

src/kits/kit.ts

@@ -61,7 +61,7 @@ export interface CMakeGenerator {
     platform?: string;
 }
 
-type CompilerVendorEnum = 'Clang' | 'GCC' | 'MSVC';
+type CompilerVendorEnum = 'Clang' | 'ClangCl' | 'GCC' | 'MSVC';
 
 export interface KitDetect {
     /**
@@ -176,7 +176,7 @@ export async function getCompilerVersion(vendor: CompilerVendorEnum, binPath: st
     }
     let version_re: RegExp;
     let version_match_index;
-    if (vendor === 'Clang') {
+    if (vendor === 'Clang' || vendor === 'ClangCl') {
         version_re = /^(?:Apple LLVM|.*clang) version ([^\s-]+)(?:[\s-]|$)/mgi;
         version_match_index = 1;
     } else {
@@ -268,6 +268,8 @@ export async function getKitDetect(kit: Kit): Promise<KitDetect> {
             vendor = 'GCC';
         } else if (kit.name.startsWith('Clang ')) {
             vendor = 'Clang';
+        } else if (kit.name.startsWith('Clang-cl')) {
+            vendor = 'ClangCl';
         }
         if (vendor === undefined) {
             return kit;