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

[Anna Lu]

It seems:
 clang::ParseAST(m_preprocessor, m_ast_handler, a); // a is
clang::ASTContext.
I add the main source file to m_preprocessor and it works.

Regards,
Anna.



On Fri, Apr 29, 2011 at 1:42 PM, Hendrik vP <
variadic.template at googlemail.com> wrote:

> Seems right to me. Are you sure that m_preprocessor is the preprocessor
> used by clang?
>
> 2011/4/29 Anna Lu <annaruben85 at gmail.com>
>
>> 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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>>
>>
>
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