[PATCH] D70175: [libTooling] Extend `buildASTFromCodeWithArgs` to take files argument.

[Yitzhak Mandelbaum via Phabricator via cfe-commits]

ymandel created this revision.
ymandel added a reviewer: gribozavr.
Herald added a project: clang.

Adds an optional parameter to `buildASTFromCodeWithArgs` that allows the user to
pass additional files that the main code needs to compile. This change makes
`buildASTFromCodeWithArgs` consistent with `runToolOnCodeWithArgs`.

Patch by Alexey Eremin.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D70175

Files:
  clang/include/clang/Tooling/Tooling.h
  clang/lib/Tooling/Tooling.cpp


Index: clang/lib/Tooling/Tooling.cpp
===================================================================
--- clang/lib/Tooling/Tooling.cpp
+++ clang/lib/Tooling/Tooling.cpp
@@ -619,7 +619,7 @@
 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 @@
 
   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;
 
Index: clang/include/clang/Tooling/Tooling.h
===================================================================
--- clang/include/clang/Tooling/Tooling.h
+++ clang/include/clang/Tooling/Tooling.h
@@ -224,7 +224,8 @@
     StringRef FileName = "input.cc", StringRef ToolName = "clang-tool",
     std::shared_ptr<PCHContainerOperations> PCHContainerOps =
         std::make_shared<PCHContainerOperations>(),
-    ArgumentsAdjuster Adjuster = getClangStripDependencyFileAdjuster());
+    ArgumentsAdjuster Adjuster = getClangStripDependencyFileAdjuster(),
+    const FileContentMappings &VirtualMappedFiles = FileContentMappings());
 
 /// Utility to run a FrontendAction in a single clang invocation.
 class ToolInvocation {


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