[cfe-dev] read AST from memory buffer, LoadFromASTFile?

Alejandro Jimenez whilealex at gmail.com
Fri Jan 31 12:25:19 PST 2014

Hi clangers!

 I am trying to read an AST file from a memory buffer, here is my approach,
but is not working.

  ASTUnit::RemappedFile theFile;
  theFile.first = "myFileName.ast";
  theFile.second = llvm::MemoryBuffer::getMemBufferCopy(myVirtualString,

  // Import AST from virtual file using this remapped file.
CUnit(ASTUnit::LoadFromASTFile("myFileName.ast", &ci2.getDiagnostics(),
ci2.getFileSystemOpts(), false, &theFile, 1));

But this is returning NULL on ASTUnit, does anyone know how to fill this
ASTUnit with a virtual buffer?
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