[cfe-dev] bool type is represented as "_Bool" in the AST
Aaron Ballman via cfe-dev
cfe-dev at lists.llvm.org
Tue Jul 23 08:18:09 PDT 2019
On Tue, Jul 23, 2019 at 11:12 AM Pradeep Kumar <pradeepisro49 at gmail.com> wrote:
> Dear Aaron,
> Why is it set to "_Bool" by default?
It seems to get its default value from LangOptions::Bool, which I
believe is set automatically by the language standard mode.
> How do I change it?
Usually you do this by making a copy of an existing PrintingPolicy
object and modifying it.
PP.Bool = 1;
Then pass PP into the call to getAsString().
> On Tue, Jul 23, 2019 at 8:32 PM Aaron Ballman <aaron at aaronballman.com> wrote:
>> On Tue, Jul 23, 2019 at 10:47 AM Pradeep Kumar via cfe-dev
>> <cfe-dev at lists.llvm.org> wrote:
>> > Dear Clang-developer community,
>> > I am using libTooling to query information about the source. While querying the string representation of the bool type, I get "_Bool" string. I got the string from QualType::getAsString(). Should I be using another function to query the actual type or is it an expected behavior?
>> > I don't get _Bool when dumping the ast except when I dump the QualType Node.
>> The PrintingPolicy::Bool member dictates this behavior.
>> > clang Version: 9.0
>> > LLVM Version: 9.0
>> > Regards,
>> > Pradeep
>> > _______________________________________________
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>> > cfe-dev at lists.llvm.org
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