2013-09-20 Janus Weil <janus@gcc.gnu.org>
PR fortran/58099
* expr.c (gfc_check_pointer_assign): Remove second call to
'gfc_compare_interfaces' with swapped arguments.
* interface.c (gfc_compare_interfaces): Symmetrize the call to
'check_result_characteristics' by calling it with swapped arguments.
2013-09-20 Janus Weil <janus@gcc.gnu.org>
PR fortran/58099
* gfortran.dg/proc_ptr_43.f90: New.
From-SVN: r202766
2013-07-28 Thomas Koenig <tkoenig@gcc.gnu.org>
PR fortran/58009
* expr.c (gfc_check_vardef_context): Check for same values in
vector expression subscripts.
2013-07-28 Thomas Koenig <tkoenig@gcc.gnu.org>
PR fortran/58009
* gfortran.dg/vector_subsript_7.f90: New test.
From-SVN: r201294
2013-03-10 Paul Thomas <pault@gcc.gnu.org>
PR fortran/56575
* expr.c (gfc_default_initializer): Check that a class declared
type has any components.
* resolve.c (resolve_fl_derived0): On failing the test for C437
set the type to BT_UNKNOWN to prevent repeat error messages.
2013-03-10 Paul Thomas <pault@gcc.gnu.org>
PR fortran/56575
* gfortran.dg/class_56.f90: New test.
From-SVN: r196580
2013-01-15 Paul Thomas <pault@gcc.gnu.org>
PR fortran/54286
* expr.c (gfc_check_pointer_assign): Check for presence of
's2' before using it.
2013-01-15 Paul Thomas <pault@gcc.gnu.org>
PR fortran/54286
* gfortran.dg/proc_ptr_result_8.f90 : Add module 'm' to check
case where interface is null.
From-SVN: r195185
2013-01-13 Paul Thomas <pault@gcc.gnu.org>
PR fortran/54286
* expr.c (gfc_check_pointer_assign): Ensure that both lvalue
and rvalue interfaces are presented to gfc_compare_interfaces.
Simplify references to interface names by using the symbols
themselves. Call gfc_compare_interfaces with s1 and s2 inter-
changed to overcome the asymmetry of this function. Do not
repeat the check for the presence of s1 and s2.
2013-01-13 Paul Thomas <pault@gcc.gnu.org>
PR fortran/54286
* gfortran.dg/proc_ptr_result_8.f90 : New test.
From-SVN: r195133
2012-12-19 Paul Thomas <pault@gcc.gnu.org>
* array.c (resolve_array_list): Apply C4106.
* check.c (gfc_check_same_type_as): Exclude polymorphic
entities from check for extensible types. Improved error
for disallowed argument types to name the offending type.
* class.c : Update copyright date.
(gfc_class_null_initializer): Add argument for initialization
expression and deal with unlimited polymorphic typespecs.
(get_unique_type_string): Give unlimited polymorphic
entities a type string.
(gfc_intrinsic_hash_value): New function.
(gfc_build_class_symbol): Incorporate unlimited polymorphic
entities.
(gfc_find_derived_vtab): Deal with unlimited polymorphic
entities.
(gfc_find_intrinsic_vtab): New function.
* decl.c (gfc_match_decl_type_spec): Match typespec for
unlimited polymorphic type.
(gfc_match_data_decl): Skip to 'ok' if unlimited polymorphic.
expr.c (gfc_check_pointer_assign): Apply C717. If unlimited
polymorphic lvalue, find rvalue vtable for all typespecs,
except unlimited polymorphic expressions.
(gfc_check_vardef_context): Handle unlimited polymorphic
entities.
* gfortran.h : Add unlimited polymorphic attribute. Add
second arg to gfc_class_null_initializer primitive and
primitive for gfc_find_intrinsic_vtab. Add UNLIMITED_POLY
to detect unlimited polymorphic expressions.
* interface.c (gfc_compare_types): If expr1 is unlimited
polymorphic, always return 1. If expr2 is unlimited polymorphic
enforce C717.
(gfc_compare_interfaces): Skip past conditions that do not
apply for unlimited polymorphic entities.
(compare_parameter): Make sure that an unlimited polymorphic,
allocatable or pointer, formal argument is matched by an
unlimited polymorphic actual argument.
(compare_actual_formal): Ensure that an intrinsic vtable exists
to match an unlimited polymorphic formal argument.
* match.c (gfc_match_allocate): Type kind parameter does not
need to match an unlimited polymorphic allocate-object.
(alloc_opt_list): An unlimited polymorphic allocate-object
requires a typespec or a SOURCE tag.
(select_intrinsic_set_tmp): New function.
(select_type_set_tmp): Call new function. If it returns NULL,
build a derived type or class temporary instead.
(gfc_match_type_is): Remove restriction to derived types only.
Bind(C) or sequence derived types not permitted.
* misc (gfc_typename): Printed CLASS(*) for unlimited
polymorphism.
* module.c : Add AB_UNLIMITED_POLY to pass unlimited
polymorphic attribute to and from modules.
* resolve.c (resolve_common_vars): Unlimited polymorphic
entities cannot appear in common blocks.
(resolve_deallocate_expr): Deallocate unlimited polymorphic
enities.
(resolve_allocate_expr): Likewise for allocation. Make sure
vtable exists.
(gfc_type_is_extensible): Unlimited polymorphic entities are
not extensible.
(resolve_select_type): Handle unlimited polymorphic selectors.
Ensure that length type parameters are assumed and that names
for intrinsic types are generated.
(resolve_fl_var_and_proc): Exclude select type temporaries
from test of extensibility of type.
(resolve_fl_variable): Likewise for test that assumed character
length must be a dummy or a parameter.
(resolve_fl_derived0): Return SUCCESS unconditionally for
unlimited polymorphic entities. Also, allow unlimited
polymorphic components.
(resolve_fl_derived): Return SUCCESS unconditionally for
unlimited polymorphic entities.
(resolve_symbol): Return early with unlimited polymorphic
entities.
* simplifiy.c : Update copyright year.
(gfc_simplify_extends_type_of): No simplification possible
for unlimited polymorphic arguments.
* symbol.c (gfc_use_derived): Nothing to do for unlimited
polymorphic "derived type".
(gfc_type_compatible): Return unity if ts1 is unlimited
polymorphic.
* trans-decl.c (create_function_arglist) Formal arguments
without a character length should be treated in the same way
as passed lengths.
(gfc_trans_deferred_vars): Nullify the vptr of unlimited
polymorphic pointers. Avoid unlimited polymorphic entities
triggering gcc_unreachable.
* trans-expr.c (gfc_conv_intrinsic_to_class): New function.
(gfc_trans_class_init_assign): Make indirect reference of
src.expr.
(gfc_trans_class_assign): Expression NULL of unknown type
should set NULL vptr on lhs. Treat C717 cases where lhs is
a derived type and the rhs is unlimited polymorphic.
(gfc_conv_procedure_call): Handle the conversion of a non-class
actual argument to match an unlimited polymorphic formal
argument. Suppress the passing of a character string length
in this case. Make sure that calls to the character __copy
function have two character string length arguments.
(gfc_conv_initializer): Pass the initialization expression to
gfc_class_null_initializer.
(gfc_trans_subcomponent_assign): Ditto.
(gfc_conv_structure): Move handling of _size component.
trans-intrinsic.c: (gfc_conv_same_type_as): Handle conditions
where unlimited polymorphic arguments have null vptr.
* trans-stmt.c (trans_associate_var): Correctly treat array
temporaries associated with unlimited polymorphic selectors.
Recover the overwritten dtype for the descriptor. Use the _size
field of the vptr for character string lengths.
(gfc_trans_allocate): Cope with unlimited polymorphic allocate
objects; especially with character source tags.
(reset_vptr): New function.
(gfc_trans_deallocate): Call it.
* trans-types.c (gfc_get_derived_type): Detect unlimited
polymorphic types and deal with cases where the derived type of
components is null.
* trans.c : Update copyright year.
(trans_code): Call gfc_trans_class_assign for C717 cases where
the lhs is not unlimited polymorphic.
2012-12-19 Paul Thomas <pault@gcc.gnu.org>
* intrinsics/extends_type_of.c : Return correct results for
null vptrs.
2012-12-19 Paul Thomas <pault@gcc.gnu.org>
* gfortran.dg/unlimited_polymorphic_1.f03: New test.
* gfortran.dg/unlimited_polymorphic_2.f03: New test.
* gfortran.dg/unlimited_polymorphic_3.f03: New test.
* gfortran.dg/same_type_as.f03: Correct for improved message.
From-SVN: r194622
2012-12-01 Alessandro Fanfarillo <alessandro.fanfarillo@gmail.com>
Paul Thomas <pault@gcc.gnu.org>
PR fortran/46897
* gfortran.h : Add bit field 'defined_assign_comp' to
symbol_attribute structure.
Add primitive for gfc_add_full_array_ref.
* expr.c (gfc_add_full_array_ref): New function.
(gfc_lval_expr_from_sym): Call new function.
* resolve.c (add_comp_ref): New function.
(build_assignment): New function.
(get_temp_from_expr): New function
(add_code_to_chain): New function
(generate_component_assignments): New function that calls all
the above new functions.
(resolve_code): Call generate_component_assignments.
(check_defined_assignments): New function.
(resolve_fl_derived0): Call check_defined_assignments.
(gfc_resolve): Reset component_assignment_level in case it is
left in a bad state by errors.
* resolve.c (is_sym_host_assoc, resolve_procedure_interface,
resolve_contained_fntype, resolve_procedure_expression,
resolve_elemental_actual, resolve_global_procedure,
is_scalar_expr_ptr, gfc_iso_c_func_interface, resolve_function,
set_name_and_label, gfc_iso_c_sub_interface,
resolve_specific_s0, resolve_operator, compare_bound_mpz_t,
gfc_resolve_character_operator, resolve_typebound_function,
gfc_resolve_expr, forall_index, remove_last_array_ref,
conformable_arrays, resolve_allocate_expr,
resolve_allocate_deallocate, resolve_select_type,
resolve_transfer, resolve_where,
gfc_resolve_where_code_in_forall, gfc_resolve_forall_body,
gfc_count_forall_iterators, resolve_values,
resolve_bind_c_comms, resolve_bind_c_derived_types,
gfc_verify_binding_labels, apply_default_init,
build_default_init_expr, apply_default_init_local,
resolve_fl_var_and_proc, resolve_fl_procedure,
gfc_resolve_finalizers, check_generic_tbp_ambiguity,
resolve_typebound_intrinsic_op, resolve_typebound_procedure,
resolve_typebound_procedures, ensure_not_abstract,
resolve_fl_derived0, resolve_fl_parameter, resolve_symbol,
resolve_equivalence_derived): Remove trailing white space.
* gfortran.h : Remove trailing white space.
2012-12-01 Alessandro Fanfarillo <alessandro.fanfarillo@gmail.com>
Paul Thomas <pault@gcc.gnu.org>
PR fortran/46897
* gfortran.dg/defined_assignment_1.f90: New test.
* gfortran.dg/defined_assignment_2.f90: New test.
* gfortran.dg/defined_assignment_3.f90: New test.
* gfortran.dg/defined_assignment_4.f90: New test.
* gfortran.dg/defined_assignment_5.f90: New test.
Co-Authored-By: Paul Thomas <pault@gcc.gnu.org>
From-SVN: r194016
2012-08-20 Tobias Burnus <burnus@net-b.de>
PR fortran/54301
* expr.c (gfc_check_pointer_assign): Warn when a pointer,
which is a function result, might outlive its target.
2012-08-20 Tobias Burnus <burnus@net-b.de>
PR fortran/54301
* gfortran.dg/warn_target_lifetime_2.f90: New.
From-SVN: r190542
2012-07-31 Janus Weil <janus@gcc.gnu.org>
PR fortran/42418
* decl.c (match_procedure_interface): Move some checks to
'resolve_procedure_interface'. Set flavor if appropriate.
* expr.c (gfc_check_pointer_assign): Cleanup of 'gfc_is_intrinsic'.
* intrinsic.c (gfc_is_intrinsic): Additional checks for attributes which
identify a procedure as being non-intrinsic.
* resolve.c (resolve_procedure_interface): Checks moved here from
'match_procedure_interface'. Minor cleanup.
(resolve_formal_arglist,resolve_symbol): Cleanup of
'resolve_procedure_interface'
(resolve_actual_arglist,is_external_proc): Cleanup of
'gfc_is_intrinsic'.
2012-07-31 Janus Weil <janus@gcc.gnu.org>
PR fortran/42418
* gfortran.dg/proc_decl_29.f90: New.
From-SVN: r190017
2012-05-05 Paul Thomas <pault@gcc.gnu.org>
PR fortran/41600
* trans-array.c (build_array_ref): New static function.
(gfc_conv_array_ref, gfc_get_dataptr_offset): Call it.
* trans-expr.c (gfc_get_vptr_from_expr): New function.
(gfc_conv_derived_to_class): Add a new argument for a caller
supplied vptr and use it if it is not NULL.
(gfc_conv_procedure_call): Add NULL to call to above.
symbol.c (gfc_is_associate_pointer): Return true if symbol is
a class object.
* trans-stmt.c (trans_associate_var): Handle class associate-
names.
* expr.c (gfc_get_variable_expr): Supply the array-spec if
possible.
* trans-types.c (gfc_typenode_for_spec): Set GFC_CLASS_TYPE_P
for class types.
* trans.h : Add prototypes for gfc_get_vptr_from_expr and
gfc_conv_derived_to_class. Define GFC_CLASS_TYPE_P.
* resolve.c (resolve_variable): For class arrays, ensure that
the target expression has all the necessary _data references.
(resolve_assoc_var): Throw a "not yet implemented" error for
class array selectors that need a temporary.
* match.c (copy_ts_from_selector_to_associate,
select_derived_set_tmp, select_class_set_tmp): New functions.
(select_type_set_tmp): Call one of last two new functions.
(gfc_match_select_type): Copy_ts_from_selector_to_associate is
called if associate-name is typed.
PR fortran/53191
* resolve.c (resolve_ref): C614 applied to class expressions.
2012-05-05 Paul Thomas <pault@gcc.gnu.org>
PR fortran/41600
* gfortran.dg/select_type_26.f03 : New test.
* gfortran.dg/select_type_27.f03 : New test.
PR fortran/53191
* gfortran.dg/select_type_28.f03 : New test.
From-SVN: r187192
2012-01-29 Tobias Burnus <burnus@net-b.de>
PR fortran/41600
* expr.c (gfc_default_initializer): Convert the values if
the type does not match.
2012-01-29 Tobias Burnus <burnus@net-b.de>
PR fortran/41600
* gfortran.dg/default_initialization_6.f90: New.
Co-Authored-By: Steven G. Kargl <kargl@gcc.gnu.org>
From-SVN: r183682
2012-01-16 Tobias Burnus <burnus@net-b.de>
PR fortran/51809
* class.c (gfc_find_derived_vtab): Mark __vtab and
__def_init as FL_VARIABLE not as FL_PARAMETER.
* expr.c (gfc_simplify_expr): Remove special
handling of __vtab.
* resolve.c (resolve_values): Ditto.
* trans-decl.c (gfc_get_symbol_decl): Mark __vtab
and __def_init as TREE_READONLY.
2012-01-16 Tobias Burnus <burnus@net-b.de>
PR fortran/51809
* gfortran.dg/use_20.f90: New
From-SVN: r183219
