[cfe-dev] API to check if a decl is a pointer

[Aaron Ballman via cfe-dev]

On Mon, Jul 25, 2016 at 12:36 PM, Himanshu <himanshu at utexas.edu> wrote:
> For anyone else who might want to do this, I believe the API has changed
> slightly. I think as per the new API, one needs to do:
>
> bool isPtr = VD->getType().getTypePtr()->isPointerType();

You should not have to do this -- QualType wraps a Type * and
overloads operator-> so that you can call Type functions on a QualType
with -> (and QualType methods through .).

~Aaron

>
>
> --
> Himanshu
>
> On Mon, Jul 25, 2016 at 9:03 AM, Aaron Ballman <aaron at aaronballman.com>
> wrote:
>>
>> On Mon, Jul 25, 2016 at 12:00 PM, Himanshu via cfe-dev
>> <cfe-dev at lists.llvm.org> wrote:
>> > Hi All,
>> >
>> > Is there an API that allows one to check if a DeclRefExpr or its
>> > corresponding VarDecl is of a pointer type? For example:
>> >
>> > int *pI;  // yes -- a pointer type
>> > int i; // no.
>> >
>> > I could use a string based check -- getting the type name as string and
>> > then
>> > searching for '*' in it, but I believe there must be a cleaner and
>> > robust
>> > way to do so.
>>
>> You can call getType() on the VarDecl (because it inherits from
>> ValueDecl), and then check isPointerType() on the resulting QualType
>> object (it wraps a Type *). e.g.,
>>
>> QualType QT = YourVarDecl->getType();
>> if (QT->isPointerType()) {
>>
>> }
>>
>> ~Aaron
>>
>> >
>> > Thanks!
>> >
>> > _______________________________________________
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>> > cfe-dev at lists.llvm.org
>> > http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-dev
>> >
>
>