[PATCH] D126888: Add a parameter to LoadFromASTFile that accepts a file system and defaults to the real file-system.

[Andy Soffer via Phabricator via cfe-commits]

asoffer created this revision.
asoffer added a reviewer: ymandel.
Herald added a project: All.
asoffer requested review of this revision.
Herald added a project: clang.
Herald added a subscriber: cfe-commits.

Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D126888

Files:
  clang/include/clang/Frontend/ASTUnit.h
  clang/lib/Frontend/ASTUnit.cpp


Index: clang/lib/Frontend/ASTUnit.cpp
===================================================================
--- clang/lib/Frontend/ASTUnit.cpp
+++ clang/lib/Frontend/ASTUnit.cpp
@@ -759,7 +759,8 @@
     WhatToLoad ToLoad, IntrusiveRefCntPtr<DiagnosticsEngine> Diags,
     const FileSystemOptions &FileSystemOpts, bool UseDebugInfo,
     bool OnlyLocalDecls, CaptureDiagsKind CaptureDiagnostics,
-    bool AllowASTWithCompilerErrors, bool UserFilesAreVolatile) {
+    bool AllowASTWithCompilerErrors, bool UserFilesAreVolatile,
+    IntrusiveRefCntPtr<llvm::vfs::FileSystem> VFS) {
   std::unique_ptr<ASTUnit> AST(new ASTUnit(true));
 
   // Recover resources if we crash before exiting this method.
@@ -775,8 +776,6 @@
   AST->OnlyLocalDecls = OnlyLocalDecls;
   AST->CaptureDiagnostics = CaptureDiagnostics;
   AST->Diagnostics = Diags;
-  IntrusiveRefCntPtr<llvm::vfs::FileSystem> VFS =
-      llvm::vfs::getRealFileSystem();
   AST->FileMgr = new FileManager(FileSystemOpts, VFS);
   AST->UserFilesAreVolatile = UserFilesAreVolatile;
   AST->SourceMgr = new SourceManager(AST->getDiagnostics(),
Index: clang/include/clang/Frontend/ASTUnit.h
===================================================================
--- clang/include/clang/Frontend/ASTUnit.h
+++ clang/include/clang/Frontend/ASTUnit.h
@@ -696,7 +696,9 @@
                   bool UseDebugInfo = false, bool OnlyLocalDecls = false,
                   CaptureDiagsKind CaptureDiagnostics = CaptureDiagsKind::None,
                   bool AllowASTWithCompilerErrors = false,
-                  bool UserFilesAreVolatile = false);
+                  bool UserFilesAreVolatile = false,
+                  IntrusiveRefCntPtr<llvm::vfs::FileSystem> VFS =
+                      llvm::vfs::getRealFileSystem());
 
 private:
   /// Helper function for \c LoadFromCompilerInvocation() and


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