[cfe-dev] Clang plugin modify AST

[Mani]

Hi,

I had posted this question on the clang user mailing list, but i go no response so I  am trying it here. Thanks

I have been playing around with Clang and it's plugin facility for a while. I have a recursiveASTVisitor working. I am interested to modify some special classes that are tagged. I also managed to work this out with the annotate attribute. the part that i can't seem to figure out is how to modify the ast.

For example i would like to  add the sat equivalent of this code to a CXXRecordDecl:
float test = 4.0;
public:
float getTest() const
{return test;}
private:

I read multiple time that the ast is supposed to be immutable, but i also read that there is maybe a solution with the sema. I want to point out I don't want to write this change back into the file but that the change get compile and that i would be able to call getTest in my code.

I hope i have been clear if not i'll be happy to give more details.

Thanks for your help

Emmanuel

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