[cfe-dev] Clang::preprocessor handle include directives

[Anna Lu]

Hi,

would anybody help me to handle directives file parsing AST.

I have tried the following, but it does not help:

llvm_include_handler* h = new llvm_include_handler;
m_preprocessor->addPPCallbacks(h); // m_preprocessor is type of
clang::Preprocessor*

where llvm_include_handler is defined as:

class llvm_include_handler :
        public clang::PPCallbacks
{
public:
         virtual void InclusionDirective(clang::SourceLocation,
         const clang::Token& ,
         llvm::StringRef FileName,
         bool IsAngled,
         const clang::FileEntry*,
         clang::SourceLocation,
         llvm::StringRef SearchPath,
         llvm::StringRef RelativePath)
         {
                 std::cout << "include "<< std::endl;
                 std::cout << FileName.str() << std::endl;
                 std::cout << "IsAngled " << IsAngled << std::endl;
                 std::cout << SearchPath.str() << std::endl;
                 std::cout << RelativePath.str() << std::endl;
         }

        virtual ~llvm_include_handler() throw()
        {}
};

than I call clang::ParseAST() to parse the AST nodes with my ASTConsumer.
The InclusionDirective is not called.
What have I missed.

Thanks,
Anna.
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