[cfe-dev] clang documents

[Zhe Chen]

Dear collegues,
      I would like to study clang for code analysis research. For
example, I need to traverse and even instrument the generated AST.
      However, I am now a beginner to clang. I don't know where to
start, e.g. reading its code base. I would like to know if somebody
has documents on clang's architecture and modules. I don't think that
clang API documents (http://clang.llvm.org/doxygen/) are good for
beginners. Maybe I need more detailed explainations. Please give me
some suggestions.
      Thanks!

Best regards,

Z.C.