[cfe-dev] How to write plugin in CLANG

[Nilesh Chatekar]

Hi,
   I am new to LLVM and CLANG, I want to write plugin for printing detailed
information about source code such as member function, function calls etc.
     I have referred PrintFunctionNames.cpp, and on line documentation for
it, still i  am confused about implementation of functions
     ex:- from  CallGraph.cpp i want to use VisitCallExpr(CallExpr *E) and
void  CallGraph::print(raw_ostream &OS),
     also I am getting  different useful  functions regarding my purpose
but not getting how to override those functions, is there tutorial
available regarding this.

                                 Thanks & Regards
                                  Nilesh
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