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[Dependency Scanning] Use a standalone DependencyScanningFilesystem on the scanner, sharing a common status cache from Clang's dependency service cache

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This commit is contained in:
Artem Chikin
2024-04-09 09:54:19 -07:00
parent ef07102b88
commit 1804a8486e
3 changed files with 11 additions and 19 deletions
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11
lib/DependencyScan/ModuleDependencyScanner.cpp
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@@ -153,6 +153,17 @@ ModuleDependencyScanningWorker::ModuleDependencyScanningWorker(
auto ClangModuleCachePath = getModuleCachePathFromClang(
ScanASTContext.getClangModuleLoader()->getClangInstance());
auto &FEOpts = ScanCompilerInvocation.getFrontendOptions();
// Configure the filesystem to use the same shared `stat` cache as the Clang
// worker uses.
if (!globalScanningService.CacheFS) {
auto DepFS = llvm::makeIntrusiveRefCnt<
clang::tooling::dependencies::DependencyScanningWorkerFilesystem>(
globalScanningService.ClangScanningService->getSharedCache(),
ScanASTContext.SourceMgr.getFileSystem());
ScanASTContext.SourceMgr.setFileSystem(std::move(DepFS));
}
ModuleInterfaceLoaderOptions LoaderOpts(FEOpts);
ScanningASTDelegate = std::make_unique<InterfaceSubContextDelegateImpl>(
ScanASTContext.SourceMgr, &ScanASTContext.Diags,