How can I foint out if a ValueDecl is an array?

Clang Frontend
1

Hi, please could somebody help me?

I would like to find out if a ValueDecl is an array or not.
Is this possible, and how .....

Thanks, best regards
Fritz Franz

2

I use some code like so:

inline QualType getQualTypeForDecl( DeclaratorDecl * f )
{
TypeSourceInfo * pThisFieldSourceInfo = f->getTypeSourceInfo() ;

TypeLoc thisFieldTypeLoc = pThisFieldSourceInfo->getTypeLoc() ;

// don’t care if it’s an array, just want the basic underlying type of the array.
if ( const ArrayTypeLoc * pTypeLocIfArray = dyn_cast( &thisFieldTypeLoc ) )
{
thisFieldTypeLoc = pTypeLocIfArray->getElementLoc() ;
}

return thisFieldTypeLoc.getType() ;
}

to strip off one level of array from a field declaration. Can you use something like that?

3

Hmm... that isn't actually checking whether the type of the decl is an
array type; it's checking whether the outermost declarator is an array
declarator. (This makes a difference for e.g. "typedef int T[2]; T
x;", where x is an array but does not have an array declarator.) My
first reaction to "is this decl an array" would be
"VD->getType()->isArrayType()", which checks the actual type. But I
guess both are useful, depending on what you're doing.

-Eli

4

Thank you very much!