Re: Question regarding C++ frontend

["Doug Gregor" <doug dot gregor at gmail dot com>]

On Fri, May 2, 2008 at 11:39 AM, Peter Collingbourne <pcc03@doc.ic.ac.uk> wrote:
>  In the C++ frontend, record_types maintain list(s) of the parameters
>  which were used to instantiate the type, one list for each "level" of
>  the instantiation.  I would like to know how to determine the list of
>  parameters that were used to instantiate "this" type e.g. in the case of
>  a type foo<int>::bar<long> I would like the tree_vec containing the type
>  "long".  Note that we can't always simply extract the last list of
>  parameters e.g. for the type foo<int>::baz the tree_vec required would
>  be empty or null whereas the tree_vec available has a single level for
>  "int".

INNERMOST_TEMPLATE_ARGS can be used to get at the "innermost" TREE_VEC
of template arguments for a class template specialzation such as
foo<int>::bar<long>. CLASSTYPE_USE_TEMPLATE != 0 tells you whether a
RECORD_TYPE is actually a template

  - Doug