[cfe-dev] Type of Array ParmVarDecl becomes PointerType

[Douglas Gregor]

On Dec 22, 2011, at 1:57 AM, Peter wrote:

> Hi everybody,
> 
> I am using Version 3.0 and I am trying to parse the parameter of the following function declaration. 
> 
> void test(int myParam[])
> {
> 
> 
> }
> 
> I have written an ASTVisitor to iterate over the "ParamDecl's"of  my "FunctionDecl's"
> The type of the "ParmVarDecl" myParam is always a "PointerType", although I am expecting
> an "ArrayType". Is this normal behavior?

Yes. The language specifies that parameters of array or function type are adjusted to the corresponding pointer type.

> Also when I parse the following code I am loosing the size information. Sure, the
> 99 doesn't make much sense, but I need it for internal analysis ;)
> 
> void test(int myParam[99])
> {
> 
> 
> }
> 
> I hope someone can help!

Use ParmVarDecl::getOriginalType() to get the type as it was spelled in the source code, before the adjustment applied.

	- Doug

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