[cfe-dev] RecursiveASTVisitor and PragmaHandler

[Adam Nemet via cfe-dev]

> On Mar 23, 2017, at 3:28 AM, Compiler Dragon via cfe-dev <cfe-dev at lists.llvm.org> wrote:
> 
> Hi,
> 
> I am currently writing a clang plugin, which does some transformation on for-loops. I have implemented a pragma handler, which is called back just fine. But now I am puzzled how to get the current state of the pragma in the RecursiveASTVisitor
> 
The easiest would be to extend the loop-hint pragma.  See what I did for loop-distribution: https://reviews.llvm.org/D19403 <https://reviews.llvm.org/D19403>.

Adam
> ...
> 
> #pragma mypragma on
> 
> for ( i = 0; i < 5; i++) {          
> 
> ...
> 
> }
> 
> #pragma mypragma off
> 
> ..
> 
> Thanks
> 
> Marcel
> 
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