[cfe-dev] CompilerInstance and ASTConsumer with clang 3.6

[David Blaikie]

On Fri, Apr 3, 2015 at 9:31 AM, cedlemo <cedlemo at gmx.com> wrote:

>  Hi,
>
> with clang 3.5, when I wanted to parse a source file, I created a compiler
> instance and a new class that inherit from the class ASTConsumer like this :
>
> ci = new clang::CompilerInstance()
> ci.createDiagnostics();
> ci.createFileManager();
> ci.createSourceManager(ci.getFileManager());
> std::shared_ptr<clang::TargetOptions> pto =
> std::make_shared<clang::TargetOptions>();
> pto->Triple = llvm::sys::getDefaultTargetTriple();
> clang::TargetInfo *pti =
> clang::TargetInfo::CreateTargetInfo(m_ci.getDiagnostics(), pto);
> ci.setTarget(pti);
> ci.createPreprocessor(clang::TU_Complete);
> ...
> //add source file and the headers paths
> ...
> MyASTConsumer * myASTConsumerClassInstance = new MyASTConsumer;
> ci.setASTConsumer(myASTConsumerClassInstance);
>

ci.setASTConsumer(llvm::make_unique<MyASTConsumer>()); is the simplest way.


> ...
> //parse the header file
>
> with the ASTConsumer :
>
> class MyASTConsumer : public clang::ASTConsumer
> {
>     MyASTConsumer()
>     ~MyASTConsumer() {};
>     virtual bool HandleTopLevelDecl( clang::DeclGroupRef d);
>     virtual void HandleTagDeclDefinition( clang::TagDecl * d);
>     private:
>     std::vector<clang::TagDecl *> m_my_tags;
> }
>
> Now with clang 3.6, the CompilerInstance::setASTConsumer methods asks for
> a std::unique_ptr<ASTConsumer> as argument. How to adapt my previous code
> with the new api.
>
> Thanks
>
> _______________________________________________
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> cfe-dev at cs.uiuc.edu
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>
>
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