[cfe-dev] Need help with source-to-source translation

[Firat Kasmis via cfe-dev]

If you need a starting template for AST matchers,
https://github.com/firolino/clang-tool might be useful for you.

2017-08-01 15:44 GMT+02:00 Marcel Schaible via cfe-dev <
cfe-dev at lists.llvm.org>:

> At the moment I am using the ASTConsumer/ASTVisitor interface. But I am
> planing to switch to AST matchers asap.
> After scratching my head for a while I found the solution for my problem.
> It was just a misunderstanding of the inheritance tree.
>
> Thanks for your help
>
> Marcel
>
> Am 01.08.2017 um 13:48 schrieb Manuel Klimek:
>
> On Tue, Aug 1, 2017 at 12:35 PM Marcel Schaible <
> marcel at schaible-consulting.de> wrote:
>
>> Manuel, thanks for your help. Of course I went already through a bunch of
>> documentation including libtooling.
>> My tool is performing now the basic setup and can transform some simple
>> cases.
>>
>> Do you know by chance how to retrieve the ASTContext from a ReturnStmt
>> and a FuncDecl?
>>
>
> Generally, if you use AST matchers you'll have the ASTContext in the
> callback. What exactly is the problem you're running into?
>
>>
>> BTW: Your presentation at the EURO LLVM was very helpful!
>>
>
> Thanks! :)
>
>
>>
>> Greetings from Munich
>>
>>
>> Marcel
>>
>>
>>
>>
>> Am 01.08.2017 um 12:16 schrieb Manuel Klimek:
>>
>> You'll probably want to take a look at libtooling:
>> https://clang.llvm.org/docs/LibTooling.html
>>
>> On Fri, Jul 28, 2017 at 4:54 PM Marcel Schaible via cfe-dev <
>> cfe-dev at lists.llvm.org> wrote:
>>
>>> Hi everyone,
>>> let's consider the example:
>>>
>>> int foo(int p) {
>>>
>>>     if ( p)
>>>
>>>        /* code path#1 */
>>>
>>>         return 0;
>>>
>>>      else    {
>>>
>>>         /* code path#2 */
>>>
>>>         return 1;
>>>
>>>     }
>>>
>>> }
>>>
>>> 1. What is the best solution to get the string representation of the
>>> expression of a return statement?
>>>
>>> 2. Because I want to perform some transformation with return statements
>>> I have to figure out if they are enclosed in a block?
>>>
>>> The example above should be transformed in something like
>>>
>>> int foo(int p) {
>>>
>>>     if ( p) { /* <---- */
>>>
>>>        /* do some processing ... */
>>>
>>>         return 0;
>>>
>>>      } /* <--- */
>>>
>>>      else    {
>>>
>>>        /* do some processing ... */
>>>         return 1;
>>>
>>>     }
>>>
>>> }
>>> Any hints or pointers are welcome.
>>>
>>> Thanks
>>>
>>> Marcel
>>> _______________________________________________
>>> cfe-dev mailing list
>>> cfe-dev at lists.llvm.org
>>> http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-dev
>>>
>>
>>
>
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