[accaf, fortran, 1/4] Allocatable components support in derived typed coarrays

[Andre Vehreschild]

Hi all,

this patch adds propagation of an in_coarray flag to the gfortran
routines that handle the creation of derived type objects and its
containing arrays. The flag is responsible for causing the add of
caf_tokens for all allocatable objects.

Furthermore adds this patch a gfc_caf_attr (gfc_expr *) routine that
works similar to the gfc_expr_attr (), but treats the codimension flag
as infectious, i.e., when there is an object with a codimension in the
expression, than this is reflected in the resulting attr. The routine
gfc_is_coarray () only returned true, when the object addressed by the
expression (after traversing all refs) was a coarray and therefore could
not be used. gfc_caf_attr() furthermore reports whether the expression
passes any allocatable component while traversing the chain of refs.

This patch is the base for part 2 of this patch set and the new
routines are only used in part 2.

Regards,
	Andre
-- 
Andre Vehreschild * Email: vehre ad gmx dot de 
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