vendor/llvm-project/llvmorg-10-init-17466-ge26a78e7085

1 files changed, 7 insertions, 1 deletions

diff --git a/clang/lib/Tooling/Tooling.cpp b/clang/lib/Tooling/Tooling.cpp
index 1d6a968331b5..4a0618c50e42 100644
--- a/clang/lib/Tooling/Tooling.cpp
+++ b/clang/lib/Tooling/Tooling.cpp
@@ -619,7 +619,7 @@ buildASTFromCode(StringRef Code, StringRef FileName,
 std::unique_ptr<ASTUnit> buildASTFromCodeWithArgs(
     StringRef Code, const std::vector<std::string> &Args, StringRef FileName,
     StringRef ToolName, std::shared_ptr<PCHContainerOperations> PCHContainerOps,
-    ArgumentsAdjuster Adjuster) {
+    ArgumentsAdjuster Adjuster, const FileContentMappings &VirtualMappedFiles) {
   std::vector<std::unique_ptr<ASTUnit>> ASTs;
   ASTBuilderAction Action(ASTs);
   llvm::IntrusiveRefCntPtr<llvm::vfs::OverlayFileSystem> OverlayFileSystem(
@@ -636,6 +636,12 @@ std::unique_ptr<ASTUnit> buildASTFromCodeWithArgs(
 
   InMemoryFileSystem->addFile(FileName, 0,
                               llvm::MemoryBuffer::getMemBufferCopy(Code));
+  for (auto &FilenameWithContent : VirtualMappedFiles) {
+    InMemoryFileSystem->addFile(
+        FilenameWithContent.first, 0,
+        llvm::MemoryBuffer::getMemBuffer(FilenameWithContent.second));
+  }
+
   if (!Invocation.run())
     return nullptr;