[Bug fortran/18918] Eventually support Fortran 2008's coarrays [co-arrays]

["burnus at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org>]

------- Comment #19 from burnus at gcc dot gnu dot org  2010-04-09 05:54 -------
Subject: Bug 18918

Author: burnus
Date: Fri Apr  9 05:54:29 2010
New Revision: 158149

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=158149
Log:
2010-04-09  Tobias Burnus  <burnus@net-b.de>

        PR fortran/18918
        * decl.c (variable_decl, match_attr_spec): Fix setting the array
        spec.
        * array.c (match_subscript,gfc_match_array_ref): Add coarray
        * support.
        * data.c (gfc_assign_data_value): Ditto.
        * expr.c (gfc_check_pointer_assign): Add check for coarray
        * constraint.
        (gfc_traverse_expr): Traverse also through codimension expressions.
        (gfc_is_coindexed, gfc_has_ultimate_allocatable,
        gfc_has_ultimate_pointer): New functions.
        * gfortran.h (gfc_array_ref_dimen_type): Add DIMEN_STAR for
        * coarrays.
        (gfc_array_ref): Add codimen.
        (gfc_array_ref): Add in_allocate.
        (gfc_is_coindexed, gfc_has_ultimate_allocatable,
        gfc_has_ultimate_pointer): Add prototypes.
        * interface.c (compare_parameter, compare_actual_formal,
        check_intents): Add coarray constraints.
        * match.c (gfc_match_iterator): Add coarray constraint.
        * match.h (gfc_match_array_ref): Update interface.
        * primary.c (gfc_match_varspec): Handle codimensions.
        * resolve.c (coarray_alloc, inquiry_argument): New static
        * variables.
        (check_class_members): Return gfc_try instead for error recovery.
        (resolve_typebound_function,resolve_typebound_subroutine,
        check_members): Handle return value of check_class_members.
        (resolve_structure_cons, resolve_actual_arglist, resolve_function,
        check_dimension, compare_spec_to_ref, resolve_array_ref,
        resolve_ref, resolve_variable, gfc_resolve_expr, conformable_arrays,
        resolve_allocate_expr, resolve_ordinary_assign): Add coarray
        support.
        * trans-array.c (gfc_conv_array_ref, gfc_walk_variable_expr):
        Skip over coarray refs.
        (gfc_array_allocate) Add support for references containing coindexes.
        * trans-expr.c (gfc_add_interface_mapping): Copy coarray
        * attribute.
        (gfc_map_intrinsic_function): Ignore codimensions.

2010-04-09  Tobias Burnus  <burnus@net-b.de>

        PR fortran/18918
        * gfortran.dg/coarray_7.f90: New test.
        * gfortran.dg/coarray_8.f90: New test.


Added:
    trunk/gcc/testsuite/gfortran.dg/coarray_7.f90
    trunk/gcc/testsuite/gfortran.dg/coarray_8.f90
Modified:
    trunk/gcc/fortran/ChangeLog
    trunk/gcc/fortran/array.c
    trunk/gcc/fortran/data.c
    trunk/gcc/fortran/decl.c
    trunk/gcc/fortran/expr.c
    trunk/gcc/fortran/gfortran.h
    trunk/gcc/fortran/interface.c
    trunk/gcc/fortran/match.c
    trunk/gcc/fortran/match.h
    trunk/gcc/fortran/primary.c
    trunk/gcc/fortran/resolve.c
    trunk/gcc/fortran/trans-array.c
    trunk/gcc/fortran/trans-expr.c
    trunk/gcc/testsuite/ChangeLog


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18918