[cfe-dev] My understanding of AST

[Sean Silva]

Yes, the VarDecl is the AST node for the array declaration.

-- Sean Silva

On Fri, Nov 2, 2012 at 8:03 AM, Journeyer J. Joh
<oosaprogrammer at gmail.com> wrote:
> Hello list,
>
> I'd like to share my understanding and also want some review or
> comment about it.
> Let's say there is a function.
>
> ====================
> int func()
> {
>   int array[3];
>   return 0;
> }
> ====================
>
> I investigated how an AST node for the declaration of array above forms.
>
> 1. ConstantArrayType is registered into ASTContext (this Clang::Type
> is distinguished by it's size(3) and type(int))
> 2. a TypeSourceInfo is created with the clang::Type above (which is
> registered in ASTContext) and the Locations(ArrayTypeLoc,
> BuiltinTypeLoc)
> 3. a VarDecl is created with the TypeSourceInfo above and the name of
> the variable, ('array' this case)
>
> ?. So I think the VarDecl is itself the AST node for the array declaration!
>
> I am not sure especially for the one marked by '?'.
>
> I think all 'Decl's is itself is a node of AST. And I wonder if this is correct.
>
> Thank you very much!
>
> Also I wonder if this kind of question is not proper in this mail
> list. If anyone think so let me know. I will stop asking this kind of
> question here.
>
> Best regards
> --
> ----------------------------------------
> Journeyer J. Joh
> o o s a p r o g r a m m e r
> a t
> g m a i l  d o t  c o m
> ----------------------------------------
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