[cfe-dev] RecursiveAstVisitor&Rewriter: How to add an include file?

[Marcel Schaible via cfe-dev]

After digging around I came to the following solution:

class MyFrontendAction : public ASTFrontendAction {
public:
    MyFrontendAction() {}
    void EndSourceFileAction() override {
        SourceManager &SM = TheRewriter.getSourceMgr();
        TheRewriter.getEditBuffer(SM.getMainFileID()).write(llvm::errs());

        clang::SourceLocation loc =
SM.getLocForStartOfFile(SM.getMainFileID());
        std::stringstream SSBefore;
        SSBefore << "#include \"myinclude.h\"\n";
        TheRewriter.InsertTextBefore(loc, SSBefore.str());
        ...
    }

Thanks
Marcel

Am 05.09.2017 um 13:15 schrieb Marcel Schaible via cfe-dev:
> Hi everyone,
>
> I am trying to add an user defined include file at the top level of q
> compilation unit with a RecursiveAstVisitor and a Rewriter. Is there
> something like VisitModule?
>
> Any hints are welcome!
>
>
> Thanks
>
> Marcel
>
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