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

[Manuel Klimek via cfe-dev]

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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