Commit Graph

135 Commits

Author SHA1 Message Date
Mikael Morin
138b3340e6 re PR fortran/37469 (invalid GMP usage on gfortran.dg/parameter_array_init_3.f90)
2008-12-09  Mikael Morin  <mikael.morin@tele2.fr>

	PR fortran/37469
	* expr.c (find_array_element): Simplify array bounds.
	Assert that both bounds are constant expressions.

From-SVN: r142606
2008-12-09 19:20:18 +00:00
Janus Weil
fb7ca5a762 re PR fortran/38415 (procedure pointer assignment to abstract interface)
2008-12-06  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/38415
	* expr.c (gfc_check_pointer_assign): Added a check for abstract
	interfaces in procedure pointer assignments, removed check involving
	gfc_compare_interfaces until PR38290 is fixed completely.


2008-12-06  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/38415
	* gfortran.dg/proc_ptr_2.f90: Extended.
	* gfortran.dg/proc_ptr_11.f90: Modified.

From-SVN: r142520
2008-12-06 13:15:49 +01:00
Janus Weil
726d8566c1 re PR fortran/36704 (Procedure pointer as function result)
2008-12-02  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/36704
	PR fortran/38290
	* decl.c (match_result): Result may be a standard variable or a
	procedure pointer.
	* expr.c (gfc_check_pointer_assign): Additional checks for procedure
	pointer assignments.
	* primary.c (gfc_match_rvalue): Bugfix for procedure pointer
	assignments.
	* resolve.c (resolve_function): Check for attr.subroutine.
	* symbol.c (check_conflict): Addtional checks for RESULT statements.
	* trans-types.c (gfc_sym_type,gfc_get_function_type): Support procedure
	pointers as function result.


2008-12-02  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/36704
	PR fortran/38290
	* gfortran.dg/entry_7.f90: Modified.
	* gfortran.dg/proc_ptr_2.f90: Extended.
	* gfortran.dg/proc_ptr_3.f90: Modified.
	* gfortran.dg/proc_ptr_11.f90: New.
	* gfortran.dg/proc_ptr_12.f90: New.
	* gfortran.dg/result_1.f90: New.

From-SVN: r142351
2008-12-02 12:58:16 +01:00
Mikael Morin
bc0f8bd478 re PR fortran/36463 (gfc_get_default_type(): Bad symbol)
2008-11-25  Mikael Morin  <mikael.morin@tele2.fr>

	PR fortran/36463
	* expr.c (replace_symbol): Don't replace the symtree
	if the expresion is an intrinsic function. Don't create
	non-existent symtrees.  Use symbol's name instead of symtree's,
	different in case of module procedure dummy arguments.

2008-11-25  Mikael Morin  <mikael.morin@tele2.fr>

	PR fortran/36463
	* gfortran.dg/proc_decl_20.f90: New test.

From-SVN: r142191
2008-11-25 13:27:26 +00:00
Janus Weil
6f6e26a880 re PR fortran/36426 (Endless loop in gfc_apply_interface_mapping_to_expr)
2008-11-01  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/36426
	* expr.c (replace_symbol): Replace all symbols which lie in the
	formal namespace of the interface and copy their attributes.
	* resolve.c (resolve_symbol): Add charlen to namespace.


2008-11-01  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/36426
	* gfortran.dg/proc_decl_19.f90: New.

From-SVN: r141522
2008-11-01 22:56:27 +01:00
Janus Weil
c6acea9d4f re PR fortran/36322 (ICE with PROCEDURE using a complicated interface)
2008-11-01  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/36322
	PR fortran/36463
	* gfortran.h: New function gfc_expr_replace_symbols.
	* decl.c (match_procedure_decl): Increase reference count for interface.
	* expr.c: New functions replace_symbol and gfc_expr_replace_symbols.
	* resolve.c (resolve_symbol): Correctly copy array spec and char len
	of PROCEDURE declarations from their interface.
	* symbol.c (gfc_get_default_type): Enhanced error message.
	(copy_formal_args): Call copy_formal_args recursively for arguments.
	* trans-expr.c (gfc_conv_function_call): Bugfix.


2008-11-01  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/36322
	PR fortran/36463
	* gfortran.dg/proc_decl_17.f90: New.
	* gfortran.dg/proc_decl_18.f90: New.

From-SVN: r141515
2008-11-01 14:24:03 +01:00
Mikael Morin
d3d0b9e07f re PR fortran/35840 (ICE for character expression in I/O specifier)
2008-10-31  Mikael Morin  <mikael.morin@tele2.fr>

	PR fortran/35840
	* expr.c (gfc_reduce_init_expr): New function, containing checking code
	from gfc_match_init_expr, so that checking can be deferred. 
	(gfc_match_init_expr): Use gfc_reduce_init_expr.
	* io.c (check_io_constraints): Use gfc_reduce_init_expr instead of 
	checking that the expression is a constant. 
	* match.h (gfc_reduce_init_expr): Prototype added. 

2008-10-31  Mikael Morin  <mikael.morin@tele2.fr>

	PR fortran/35840
	* gfortran.dg/write_check4.f90: New test.

From-SVN: r141497
2008-10-31 15:56:21 +00:00
Daniel Kraft
ed42adef44 re PR fortran/37688 (Relax "Symbol is used before it is typed" checking)
2008-10-12  Daniel Kraft  <d@domob.eu>

	PR fortran/37688
	* expr.c (gfc_expr_check_typed): Extend permission of untyped
	expressions to both top-level variable and basic arithmetic expressions.

2008-10-12  Daniel Kraft  <d@domob.eu>

	PR fortran/37688
	* gfortran.dg/used_before_typed_6.f90: New test.

From-SVN: r141074
2008-10-12 12:51:11 +02:00
Daniel Kraft
a3d3c0f5fa re PR fortran/35723 (Can't use run-time array element in character declaration)
2008-10-09  Daniel Kraft  <d@domob.eu>

	PR fortran/35723
	* gfortran.h (gfc_suppress_error): Removed from header.
	(gfc_push_suppress_errors), (gfc_pop_suppress_errors): New methods.
	* array.c (gfc_array_size): Use new gfc_push/pop_suppress_errors
	instead of directly changing gfc_suppress_error.
	* intrinsic.c (gfc_intrinsic_func_interface): Ditto.
	(gfc_intrinsic_sub_interface): Ditto.
	* error.c (suppress_errors): Made static from `gfc_suppress_error'.
	(gfc_push_suppress_errors), (gfc_pop_suppress_errors): New methods.
	(gfc_notify_std), (gfc_error): Use new static name of global.
	* expr.c (check_arglist), (check_references): New methods.
	(check_restricted): Check arglists and references of EXPR_FUNCTIONs
	and EXPR_VARAIBALEs, respectively.  Allow PARAMETER symbols.

2008-10-09  Daniel Kraft  <d@domob.eu>

	PR fortran/35723
	* gfortran.dg/restricted_expression_1.f90: New test.
	* gfortran.dg/restricted_expression_2.f90: New test.
	* gfortran.dg/restricted_expression_3.f90: New test.

From-SVN: r141001
2008-10-09 09:28:22 +02:00
Paul Thomas
ebb479cd4d re PR fortran/35680 (ICE on invalid transfer in variable declaration)
2008-10-05  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/35680
	* gfortran.h : Add 'error' bit field to gfc_expr structure.
	* expr.c (check_inquiry): When checking a restricted expression
	check that arguments are either variables or restricted.
	(check_restricted): Do not emit error if the expression has
	'error' set.  Clean up detection of host-associated variable.

2008-10-05  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/35680
	* gfortran.dg/transfer_array_intrinsic_5.f90: New test.

From-SVN: r140892
2008-10-05 18:53:19 +00:00
Tobias Burnus
3dcc3ef2a1 re PR fortran/37504 (Wrongly rejects: unprotected_pointer => protected_pointer)
2008-09-25  Tobias Burnus  <burnus@net-b.de>

        PR fortran/37504
        * expr.c (gfc_check_pointer_assign): Allow assignment of
        protected pointers.
        * match.c (gfc_match_assignment,gfc_match_pointer_assignment):
        Remove unreachable code.

2008-09-25  Tobias Burnus  <burnus@net-b.de>

        PR fortran/37504
        * gfortran.dg/protected_7.f90: New test.

From-SVN: r140663
2008-09-25 17:01:16 +02:00
Tobias Burnus
54799fcd03 re PR fortran/37580 (Accepts "pointer(:) => target" without lower bound)
2008-09-22  Tobias Burnus  <burnus@net-b.de>

        PR fortran/37580
        * expr.c (gfc_check_pointer_assign): Add checks for pointer
        remapping.

2008-09-22  Tobias Burnus  <burnus@net-b.de>

        PR fortran/37580
        * gfortran.dg/pointer_assign_5.f90: New test.
        * gfortran.dg/pointer_assign_6.f90: New test.

From-SVN: r140580
2008-09-23 10:00:01 +02:00
H.J. Lu
5bcb0cc368 expr.c (find_array_element): Reformat comment.
2008-09-10  H.J. Lu  <hongjiu.lu@intel.com>

	* expr.c (find_array_element): Reformat comment.

From-SVN: r140250
2008-09-10 14:13:44 -07:00
H.J. Lu
3b35a6f890 expr.c (find_array_element): Reformat.
2008-09-10  H.J. Lu  <hongjiu.lu@intel.com>

	* expr.c (find_array_element): Reformat.

From-SVN: r140248
2008-09-10 14:07:29 -07:00
Daniel Kraft
d555161825 re PR fortran/37099 (Wrong results when comparing a character array to a character expression)
2008-09-04  Daniel Kraft  <d@domob.eu>

	* PR fortran/37099
	* expr.c (simplify_const_ref): Update expression's character length
	when pulling out a substring reference.

2008-09-04  Daniel Kraft  <d@domob.eu>

	PR fortran/37099
	* gfortran.dg/string_compare_1.f90: New text.
	* gfortran.dg/string_compare_2.f90: New text.
	* gfortran.dg/string_compare_3.f90: New text.

From-SVN: r139997
2008-09-04 21:16:13 +02:00
Daniel Kraft
8e1f752a26 gfortran.h (enum expr_t): New value `EXPR_COMPCALL'.
2008-08-28  Daniel Kraft  <d@domob.eu>

	* gfortran.h (enum expr_t): New value `EXPR_COMPCALL'.
	(gfc_get_typebound_proc): New macro.
	(struct gfc_expr): New union-member `compcall' for EXPR_COMPCALL.
	(enum gfc_exec_op): New value `EXEC_COMPCALL'.
	(gfc_find_typebound_proc): New argument.
	(gfc_copy_ref), (gfc_match_varspec): Made public.
	* decl.c (match_procedure_in_type): Use gfc_get_typebound_proc.
	* expr.c (free_expr0), (gfc_copy_expr): Handle EXPR_COMPCALL.
	(gfc_copy_ref): Made public and use new name.
	(simplify_const_ref): Use new name of gfc_copy_ref.
	(simplify_parameter_variable): Ditto.
	(gfc_simplify_expr): gcc_unreachable for EXPR_COMPCALL.
	* match.c (match_typebound_call): New method.
	(gfc_match_call): Allow for CALL's to typebound procedures.
	* module.c (binding_passing), (binding_overriding): New variables.
	(expr_types): Add EXPR_COMPCALL.
	(mio_expr): gcc_unreachable for EXPR_COMPCALL.
	(mio_typebound_proc), (mio_typebound_symtree): New methods.
	(mio_f2k_derived): Handle type-bound procedures.
	* primary.c (gfc_match_varspec): Made public and parse trailing
	references to type-bound procedures; new argument `sub_flag'.
	(gfc_match_rvalue): New name and argument of gfc_match_varspec.
	(match_variable): Ditto.
	* resolve.c (update_arglist_pass): New method.
	(update_compcall_arglist), (resolve_typebound_static): New methods.
	(resolve_typebound_call), (resolve_compcall): New methods.
	(gfc_resolve_expr): Handle EXPR_COMPCALL.
	(resolve_code): Handle EXEC_COMPCALL.
	(resolve_fl_derived): New argument to gfc_find_typebound_proc.
	(resolve_typebound_procedure): Ditto and removed not-implemented error.
	* st.c (gfc_free_statement): Handle EXEC_COMPCALL.
	* symbol.c (gfc_find_typebound_proc): New argument `noaccess' and
	implement access-checking.
	* trans-expr.c (gfc_apply_interface_mapping_to_expr): gcc_unreachable
	on EXPR_COMPCALL.
	* trans-intrinsic.c (gfc_conv_intrinsic_bound): Add missing break.
	* trans-openmp.c (gfc_trans_omp_array_reduction): Add missing
	intialization of ref->type.

2008-08-28  Daniel Kraft  <d@domob.eu>

	* gfortran.dg/typebound_call_1.f03: New test.
	* gfortran.dg/typebound_call_2.f03: New test.
	* gfortran.dg/typebound_call_3.f03: New test.
	* gfortran.dg/typebound_call_4.f03: New test.
	* gfortran.dg/typebound_call_5.f03: New test.
	* gfortran.dg/typebound_call_6.f03: New test.
	* gfortran.dg/typebound_proc_1.f08: Don't expect not-implemented error.
	* gfortran.dg/typebound_proc_2.f90: Ditto.
	* gfortran.dg/typebound_proc_5.f03: Ditto.
	* gfortran.dg/typebound_proc_6.f03: Ditto.
	* gfortran.dg/typebound_proc_7.f03: Ditto.
	* gfortran.dg/typebound_proc_8.f03: Ditto.

From-SVN: r139724
2008-08-28 20:03:02 +02:00
Janus Weil
d4b7d0f052 gfortran.h (gfc_component): Add field "symbol_attribute attr"...
2008-08-23  Janus Weil  <janus@gcc.gnu.org>

	* gfortran.h (gfc_component): Add field "symbol_attribute attr", remove
	fields "pointer", "allocatable", "dimension", "access".
	Remove functions "gfc_set_component_attr" and "gfc_get_component_attr".
	* interface.c (gfc_compare_derived_types): Ditto.
	* trans-array.c (gfc_array_allocate,structure_alloc_comps): Ditto.
	* trans-expr.c (gfc_conv_component_ref,gfc_trans_subcomponent_assign,
	gfc_conv_structure): Ditto.
	* symbol.c (gfc_find_component,free_components,gfc_set_component_attr,
	gfc_get_component_attr,verify_bind_c_derived_type,
	generate_isocbinding_symbol): Ditto.
	* decl.c (build_struct): Ditto.
	* dump-parse-tree.c (show_components): Ditto.
	* trans-stmt.c (gfc_trans_deallocate): Ditto.
	* expr.c (gfc_check_assign,gfc_check_pointer_assign,
	gfc_default_initializer): Ditto.
	* module.c (mio_component): Ditto.
	* trans-types.c (copy_dt_decls_ifequal,gfc_get_derived_type): Ditto.
	* resolve.c (has_default_initializer,resolve_structure_cons,
	gfc_iso_c_func_interface,find_array_spec,resolve_ref,
	resolve_deallocate_expr,resolve_allocate_expr,resolve_fl_derived,
	resolve_equivalence_derived): Ditto.
	* trans-io.c (transfer_expr): Ditto.
	* parse.c (parse_derived): Ditto.
	* dependency.c (gfc_check_dependency): Ditto.
	* primary.c (gfc_variable_attr): Ditto.

From-SVN: r139524
2008-08-23 23:04:01 +02:00
Daniel Kraft
3df684e2a9 gfortran.h (in_prefix): Removed from this header.
2008-08-22  Daniel Kraft  <d@domob.eu>

	* gfortran.h (in_prefix): Removed from this header.
	* match.h (gfc_matching_prefix): Moved and renamed from `in_prefix'.
	* decl.c (in_prefix): Removed from here.
	(gfc_match_prefix): Use new name of `gfc_matching_prefix'.
	* symbol.c (gfc_check_symbol_typed): Ditto.
	* expr.c (check_typed_ns): New helper variable.
	(expr_check_typed_help): New helper method.
	(gfc_expr_check_typed): Rewrote to use gfc_traverse_expr to do the
	work, fixing a minor problem.
	* match.c (gfc_matching_prefix): New variable.

From-SVN: r139435
2008-08-22 12:53:40 +02:00
Daniel Kraft
f37e928ca4 re PR fortran/32095 (Accepts invalid character(len(a)),dimension(1) :: a)
2008-08-22  Daniel Kraft  <d@domob.eu>

	PR fortran/32095
	PR fortran/34228
	* gfortran.h (in_prefix): New global.
	(gfc_check_symbol_typed), (gfc_check_expr_typed): New methods.
	* array.c (match_array_element_spec): Check that bounds-expressions
	don't have symbols not-yet-typed in them.
	* decl.c (var_element): Check that variable used is already typed.
	(char_len_param_value): Check that expression does not contain
	not-yet-typed symbols.
	(in_prefix): New global.
	(gfc_match_prefix): Record using `in_prefix' if we're at the moment
	parsing a prefix or not.
	* expr.c (gfc_expr_check_typed): New method.
	* parse.c (verify_st_order): New argument to disable error output.
	(check_function_result_typed): New helper method.
	(parse_spec): Check that the function-result declaration, if given in
	a prefix, contains no not-yet-typed symbols when the IMPLICIT rules are
	parsed.
	* symbol.c (gfc_check_symbol_typed): Check that a symbol already has
	a type associated to it, otherwise use the IMPLICIT rules or signal
	an error.

2008-08-22  Daniel Kraft  <d@domob.eu>

	PR fortran/32095
	PR fortran/34228
	* gfortran.dg/used_before_typed_1.f90: New test.
	* gfortran.dg/used_before_typed_2.f90: New test.
	* gfortran.dg/used_before_typed_3.f90: New test.
	* gfortran.dg/array_constructor_26.f03: Add -std=gnu to not enable
	legacy-behaviour for the new check.
	* gfortran.dg/array_constructor_27.f03: Ditto.
	* gfortran.dg/blockdata_4.f90: Ditto.
	* gfortran.dg/bound_2.f90: Reordered declarations to satisfy the check.
	* gfortran.dg/result_in_spec_1.f90: Ditto.
	* gfortran.dg/argument_checking_7.f90: Adapted expected error messages.

From-SVN: r139425
2008-08-22 09:13:25 +02:00
Kaveh R. Ghazi
17b1d2a049 gfortran.h (try): Remove macro.
* gfortran.h (try): Remove macro.  Replace try with gfc_try
	throughout.
	* array.c: Likewise.
	* check.c: Likewise.
	* cpp.c: Likewise.
	* cpp.h: Likewise.
	* data.c: Likewise.
	* data.h: Likewise.
	* decl.c: Likewise.
	* error.c: Likewise.
	* expr.c: Likewise.
	* interface.c: Likewise.
	* intrinsic.c: Likewise.
	* intrinsic.h: Likewise.
	* io.c: Likewise.
	* match.h: Likewise.
	* parse.c: Likewise.
	* parse.h: Likewise.
	* resolve.c: Likewise.
	* scanner.c: Likewise.
	* simplify.c: Likewise.
	* symbol.c: Likewise.
	* trans-openmp.c: Likewise.
	* trans-types.c: Likewise.

From-SVN: r138226
2008-07-29 00:45:52 +00:00
Daniel Kraft
c3005b0f0c re PR fortran/33141 (Intrinsic procedures: Improve warning/error with -std=*)
2008-07-24  Daniel Kraft  <d@domob.eu>

	PR fortran/33141
	* lang.opt (Wnonstd-intrinsics):  Removed option.
	(Wintrinsics-std), (Wintrinsic-shadow):  New options.
	* invoke.texi (Option Summary):  Removed -Wnonstd-intrinsics
	from the list and added -Wintrinsics-std and -Wintrinsic-shadow.
	(Error and Warning Options):  Documented the new options and removed
	the documentation for -Wnonstd-intrinsics.
	* gfortran.h (gfc_option_t):  New members warn_intrinsic_shadow and
	warn_intrinsics_std, removed warn_nonstd_intrinsics.
	(gfc_is_intrinsic):  Renamed from gfc_intrinsic_name.
	(gfc_warn_intrinsic_shadow), (gfc_check_intrinsic_standard):  New.
	* decl.c (match_procedure_decl):  Replaced gfc_intrinsic_name by
	the new name gfc_is_intrinsic.
	(warn_intrinsic_shadow):  New helper method.
	(gfc_match_function_decl), (gfc_match_subroutine):  Call the new method
	warn_intrinsic_shadow to check the just-parsed procedure.
	* expr.c (check_init_expr):  Call new gfc_is_intrinsic to check whether
	the function called is really an intrinsic in the selected standard.
	* intrinsic.c (gfc_is_intrinsic):  Renamed from gfc_intrinsic_name and
	extended to take into account the selected standard settings when trying
	to find out whether a symbol is an intrinsic or not.
	(gfc_check_intrinsic_standard):  Made public and extended.
	(gfc_intrinsic_func_interface), (gfc_intrinsic_sub_interface):  Removed
	the calls to check_intrinsic_standard, this check now happens inside
	gfc_is_intrinsic.
	(gfc_warn_intrinsic_shadow):  New method defined.
	* options.c (gfc_init_options):  Initialize new warning flags to false
	and removed intialization of Wnonstd-intrinsics flag.
	(gfc_post_options):  Removed logic for Wnonstd-intrinsics flag.
	(set_Wall):  Set new warning flags and removed Wnonstd-intrinsics flag.
	(gfc_handle_option):  Handle the new flags and removed handling of the
	old Wnonstd-intrinsics flag.
	* primary.c (gfc_match_rvalue):  Replaced call to gfc_intrinsic_name by
	the new name gfc_is_intrinsic.
	* resolve.c (resolve_actual_arglist):  Ditto.
	(resolve_generic_f), (resolve_unknown_f):  Ditto.
	(is_external_proc):  Ditto.
	(resolve_generic_s), (resolve_unknown_s):  Ditto.
	(resolve_symbol):  Ditto and ensure for symbols declared INTRINSIC that
	they are really available in the selected standard setting.

2008-07-24  Daniel Kraft  <d@domob.eu>

	PR fortran/33141
	* gfortran.dg/intrinsic_shadow_1.f03:  New test for -Wintrinsic-shadow.
	* gfortran.dg/intrinsic_shadow_2.f03:  Ditto.
	* gfortran.dg/intrinsic_shadow_3.f03:  Ditto.
	* gfortran.dg/intrinsic_std_1.f90:  New test for -Wintrinsics-std.
	* gfortran.dg/intrinsic_std_2.f90:  Ditto.
	* gfortran.dg/intrinsic_std_3.f90:  Ditto.
	* gfortran.dg/intrinsic_std_4.f90:  Ditto.
	* gfortran.dg/warn_std_1.f90:  Removed option -Wnonstd-intrinsics.
	* gfortran.dg/warn_std_2.f90:  Replaced -Wnonstd-intrinsics by
	-Wintrinsics-std and adapted expected errors/warnings.
	* gfortran.dg/warn_std_3.f90:  Ditto.
	* gfortran.dg/c_sizeof_2.f90:  Adapted expected error/warning message.
	* gfortran.dg/gamma_2.f90:  Ditto.
	* gfortran.dg/selected_char_kind_3.f90:  Ditto.
	* gfortran.dg/fmt_g0_2.f08:  Call with -fall-intrinsics to allow abort.

From-SVN: r138122
2008-07-24 20:52:51 +02:00
Ralf Wildenhues
df2fba9e34 fmt_g0_3.f08: Fix typo in expected error message.
gcc/testsuite/

	* gfortran.dg/fmt_g0_3.f08: Fix typo in expected error message.

gcc/fortran/

	* expr.c (gfc_check_pointer_assign): Fix typo in string.
	* io.c (check_format): Fix typo in string.  Fix comment typos.
	* parse.c (gfc_global_used): Likewise.
	* resolve.c (resolve_allocate_expr): Likewise.
	* symbol.c (gfc_set_default_type): Likewise.
	* arith.c: Fix typos in comments.
	* array.c: Likewise.
	* data.c: Likewise.
	* decl.c: Likewise.
	* dependency.c: Likewise.
	* f95-lang.c: Likewise.
	* gfortran.h: Likewise.
	* matchexp.c: Likewise.
	* module.c: Likewise.
	* primary.c: Likewise.
	* scanner.c: Likewise.
	* trans-array.c: Likewise.
	* trans-common.c: Likewise.
	* trans-decl.c: Likewise.
	* trans-expr.c: Likewise.
	* trans-intrinsic.c: Likewise.
	* trans-types.c: Likewise.
	* trans.c: Likewise.
	* trans.h: Likewise.

From-SVN: r138040
2008-07-21 19:17:08 +00:00
Kaveh R. Ghazi
7b901ac47f gfortran.h (new): Remove macro.
* gfortran.h (new): Remove macro.
	* array.c (gfc_append_constructor, match_array_list,
	gfc_match_array_constructor): Likewise.
	* bbt.c (insert, gfc_insert_bbt): Likewise.
	* decl.c (var_element, top_var_list, top_val_list, gfc_match_data,
	get_proc_name): Likewise.
	* expr.c (gfc_copy_actual_arglist): Likewise.
	* interface.c (compare_actual_formal, check_new_interface,
	gfc_add_interface): Likewise.
	* intrinsic.c gfc_convert_type_warn, gfc_convert_chartype):
	Likewise.
	* io.c (match_io_iterator, match_io_list): Likewise.
	* match.c (match_forall_header): Likewise.
	* matchexp.c (build_node): Likewise.
	* module.c (gfc_match_use): Likewise.
	* scanner.c (load_file): Likewise.
	* st.c (gfc_append_code): Likewise.
	* symbol.c (save_symbol_data, gfc_get_sym_tree, gfc_undo_symbols,
	gfc_commit_symbols): Likewise.
	* trans-common.c (build_field): Likewise.
	* trans-decl.c (gfc_finish_var_decl): Likewise.
	* trans-expr.c (gfc_free_interface_mapping,
	gfc_get_interface_mapping_charlen, gfc_add_interface_mapping,
	gfc_finish_interface_mapping,
	gfc_apply_interface_mapping_to_expr): Likewise.
	* trans.h (gfc_interface_sym_mapping): Likewise.

From-SVN: r137982
2008-07-19 16:23:52 +00:00
Kaveh R. Ghazi
a1ee985fa3 gfortran.h (operator): Remove macro.
* gfortran.h (operator): Remove macro.
	(gfc_namespace, gfc_expr): Avoid C++ keywords.
	* arith.c (eval_intrinsic, eval_intrinsic_f2, eval_intrinsic_f3):
	Likewise.
	* decl.c (access_attr_decl): Likewise.
	* dependency.c (gfc_dep_compare_expr): Likewise.
	* dump-parse-tree.c (show_expr, show_uop, show_namespace):
	Likewise.
	* expr.c (gfc_copy_expr, gfc_type_convert_binary,
	simplify_intrinsic_op, check_intrinsic_op): Likewise.
	* interface.c (fold_unary, gfc_match_generic_spec,
	gfc_match_interface, gfc_match_end_interface,
	check_operator_interface, check_uop_interfaces,
	gfc_check_interfaces, gfc_extend_expr, gfc_extend_assign,
	gfc_add_interface, gfc_current_interface_head,
	gfc_set_current_interface_head): Likewise.
	* iresolve.c (gfc_resolve_dot_product, gfc_resolve_matmul):
	Likewise.
	* matchexp.c (gfc_get_parentheses, build_node): Likewise.
	* module.c (gfc_use_rename, gfc_match_use, find_use_name_n,
	number_use_names, mio_expr, load_operator_interfaces, read_module,
	write_operator, write_module): Likewise.
	* openmp.c (resolve_omp_atomic): Likewise.
	* resolve.c (resolve_operator, gfc_resolve_character_operator,
	gfc_resolve_uops): Likewise.
	* symbol.c (free_uop_tree, gfc_free_namespace): Likewise.
	* trans-expr.c (gfc_conv_expr_op): Likewise.
	* trans-openmp.c (gfc_trans_omp_atomic): Likewise.

From-SVN: r137981
2008-07-19 16:22:12 +00:00
Kaveh R. Ghazi
9aa433c294 gfortran.h (protected): Remove macro.
* gfortran.h (protected): Remove macro.
	* dump-parse-tree.c (show_attr): Avoid C++ keywords.
	* expr.c (gfc_check_pointer_assign): Likewise.
	* interface.c (compare_parameter_protected): Likewise.
	* intrinsic.c (enum class, add_sym, add_sym_0, add_sym_1,
	add_sym_1s, add_sym_1m, add_sym_2, add_sym_2s, add_sym_3,
	add_sym_3ml, add_sym_3red, add_sym_3s, add_sym_4, add_sym_4s,
	add_sym_5s): Likewise.
	* match.c (gfc_match_assignment, gfc_match_pointer_assignment):
	Likewise.
	* module.c (mio_symbol_attribute): Likewise.
	* primary.c (match_variable): Likewise.
	* resolve.c (resolve_equivalence): Likewise.
	* symbol.c (check_conflict, gfc_add_protected, gfc_copy_attr):
	Likewise.
	* trans-types.c (gfc_get_array_type_bounds): Likewise.

From-SVN: r137980
2008-07-19 16:19:27 +00:00
Janus Weil
8fb74da43b re PR fortran/32580 (iso_c_binding c_f_procpointer / procedure pointers)
2008-07-02  Janus Weil  <janus@gcc.gnu.org>
	    Tobias Burnus  <burnus@net-b.de>
	    Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/32580
	* gfortran.h (struct gfc_symbol): New member "proc_pointer".
	* check.c (gfc_check_associated,gfc_check_null): Implement
	procedure pointers.
	* decl.c (match_procedure_decl): Ditto.
	* expr.c (gfc_check_pointer_assign,gfc_check_assign_symbol): Ditto.
	* interface.c (compare_actual_formal): Ditto.
	* match.h: Ditto.
	* match.c (gfc_match_pointer_assignment): Ditto.
	* parse.c (parse_interface): Ditto.
	* primary.c (gfc_match_rvalue,match_variable): Ditto.
	* resolve.c (resolve_fl_procedure): Ditto.
	* symbol.c (check_conflict,gfc_add_external,gfc_add_pointer,
	gfc_copy_attr,gen_fptr_param,build_formal_args): Ditto.
	* trans-decl.c (get_proc_pointer_decl,gfc_get_extern_function_decl,
	create_function_arglist): Ditto.
	* trans-expr.c (gfc_conv_variable,gfc_conv_function_val,
	gfc_conv_function_call,gfc_trans_pointer_assignment): Ditto.


2008-07-02  Janus Weil  <janus@gcc.gnu.org>
	    Tobias Burnus  <burnus@net-b.de>

	PR fortran/32580
	* gfortran.dg/c_f_pointer_tests_3.f90: Updated.
	* gfortran.dg/proc_decl_1.f90: Updated.
	* gfortran.dg/proc_ptr_1.f90: New.
	* gfortran.dg/proc_ptr_2.f90: New.
	* gfortran.dg/proc_ptr_3.f90: New.
	* gfortran.dg/proc_ptr_4.f90: New.
	* gfortran.dg/proc_ptr_5.f90: New.
	* gfortran.dg/proc_ptr_6.f90: New.
	* gfortran.dg/proc_ptr_7.f90: New.
	* gfortran.dg/proc_ptr_8.f90: New.

Co-Authored-By: Paul Thomas <pault@gcc.gnu.org>
Co-Authored-By: Tobias Burnus <burnus@net-b.de>

From-SVN: r137386
2008-07-02 21:53:37 +02:00
Paul Thomas
c4e3543d04 re PR fortran/36371 (Wrong locus for errors in DATA statement)
2008-06-24  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/34371
	* expr.c (gfc_check_assign):  Change message and locus for
	error when conform == 0.

2008-06-24  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/36371
	* gfortran.dg/data_array_5.f90: New test.

From-SVN: r137088
2008-06-24 21:44:28 +00:00
Kaveh R. Ghazi
ece3f6639d arith.c (hollerith2representation): Fix for -Wc++-compat.
* arith.c (hollerith2representation): Fix for -Wc++-compat.
	* array.c (gfc_get_constructor): Likewise.
	* decl.c (gfc_get_data_variable, gfc_get_data_value, gfc_get_data,
	create_enum_history, gfc_match_final_decl): Likewise.
	* error.c (error_char): Likewise.
	* expr.c (gfc_get_expr, gfc_copy_expr): Likewise.
	* gfortran.h (gfc_get_charlen, gfc_get_array_spec,
	gfc_get_component, gfc_get_formal_arglist, gfc_get_actual_arglist,
	gfc_get_namelist, gfc_get_omp_clauses, gfc_get_interface,
	gfc_get_common_head, gfc_get_dt_list, gfc_get_array_ref,
	gfc_get_ref, gfc_get_equiv, gfc_get_case, gfc_get_iterator,
	gfc_get_alloc, gfc_get_wide_string): Likewise.
	* interface.c (count_types_test): Likewise.
	* intrinsic.c (add_char_conversions, gfc_intrinsic_init_1):
	Likewise.
	* io.c (gfc_match_open, gfc_match_close, match_filepos, match_io,
	gfc_match_inquire, gfc_match_wait): Likewise.
	* match.c (gfc_match, match_forall_iterator): Likewise.
	* module.c (gfc_get_pointer_info, gfc_get_use_rename, add_fixup,
	add_true_name, parse_string, write_atom, quote_string,
	mio_symtree_ref, mio_gmp_real, write_common_0): Likewise.
	* options.c (gfc_post_options): Likewise.
	* primary.c (match_integer_constant, match_hollerith_constant,
	match_boz_constant, match_real_constant,
	gfc_get_structure_ctor_component, gfc_match_structure_constructor): Likewise.
	* scanner.c (gfc_widechar_to_char, add_path_to_list,
	add_file_change, load_line, get_file, preprocessor_line,
	load_file, unescape_filename, gfc_read_orig_filename): Likewise.
	* simplify.c (gfc_simplify_ibits, gfc_simplify_ishft,
	gfc_simplify_ishftc): Likewise.
	* symbol.c (gfc_get_st_label, gfc_get_namespace, gfc_new_symtree,
	gfc_get_uop, gfc_new_symbol, save_symbol_data, gfc_get_gsymbol):
	Likewise.
	* target-memory.c (gfc_target_interpret_expr): Likewise.
	* trans-const.c (gfc_build_wide_string_const): Likewise.
	* trans-expr.c (gfc_add_interface_mapping): Likewise.
	* trans-intrinsic.c (gfc_conv_intrinsic_conversion,
	gfc_conv_intrinsic_int, gfc_conv_intrinsic_lib_function,
	gfc_conv_intrinsic_cmplx, gfc_conv_intrinsic_ctime,
	gfc_conv_intrinsic_fdate, gfc_conv_intrinsic_ttynam,
	gfc_conv_intrinsic_minmax, gfc_conv_intrinsic_minmax_char,
	gfc_conv_intrinsic_ishftc, gfc_conv_intrinsic_index_scan_verify,
	gfc_conv_intrinsic_merge, gfc_conv_intrinsic_trim): Likewise.
	* trans.c (gfc_get_backend_locus): Likewise.
	* trans.h (gfc_get_ss): Likewise.

From-SVN: r136982
2008-06-20 06:03:16 +00:00
Francois-Xavier Coudert
d393bbd737 intrinsic.c (char_conversions, ncharconv): New static variables.
* intrinsic.c (char_conversions, ncharconv): New static variables.
	(find_char_conv): New function.
	(add_functions): Add simplification functions for ADJUSTL and
	ADJUSTR. Don't check the kind of their argument. Add checking for
	LGE, LLE, LGT and LLT.
	(add_subroutines): Fix argument type for SLEEP. Fix argument name
	for SYSTEM.
	(add_char_conversions): New function.
	(gfc_intrinsic_init_1): Call add_char_conversions.
	(gfc_intrinsic_done_1): Free char_conversions.
	(check_arglist): Use kind == 0 as a signal that we don't want
	the kind value to be checked.
	(do_simplify): Also simplify character functions.
	(gfc_convert_chartype): New function
	* trans-array.c (gfc_trans_array_ctor_element): Don't force the
	use of default character type.
	(gfc_trans_array_constructor_value): Likewise.
	(get_array_ctor_var_strlen): Use integer kind to build an integer
	instead of a character kind!
	(gfc_build_constant_array_constructor): Don't force the use of
	default character type.
	(gfc_conv_loop_setup): Likewise.
	* trans-expr.c (gfc_conv_string_tmp): Don't force the use of
	default character type. Allocate enough memory for wide strings.
	(gfc_conv_concat_op): Make sure operand kind are the same.
	(string_to_single_character): Remove gfc_ prefix. Reindent.
	Don't force the use of default character type.
	(gfc_conv_scalar_char_value): Likewise.
	(gfc_build_compare_string): Call string_to_single_character.
	(fill_with_spaces): New function
	(gfc_trans_string_copy): Add kind arguments. Use them to deal
	with wide character kinds.
	(gfc_conv_statement_function): Whitespace fix. Call
	gfc_trans_string_copy with new kind arguments.
	(gfc_conv_substring_expr): Call gfc_build_wide_string_const
	instead of using gfc_widechar_to_char.
	(gfc_conv_string_parameter): Don't force the use of default
	character type.
	(gfc_trans_scalar_assign): Pass kind args to gfc_trans_string_copy.
	* intrinsic.h (gfc_check_lge_lgt_lle_llt, gfc_convert_char_constant,
	gfc_resolve_adjustl, gfc_resolve_adjustr): New prototypes.
	* decl.c (gfc_set_constant_character_len): Don't assert the
	existence of a single character kind.
	* trans-array.h (gfc_trans_string_copy): New prototype.
	* gfortran.h (gfc_check_character_range, gfc_convert_chartype):
	New prototypes.
	* error.c (print_wide_char_into_buffer): New function lifting
	code from gfc_print_wide_char. Fix order to output '\x??' instead
	of 'x\??'.
	(gfc_print_wide_char): Call print_wide_char_into_buffer.
	(show_locus): Call print_wide_char_into_buffer with buffer local
	to this function.
	* trans-const.c (gfc_build_wide_string_const): New function.
	(gfc_conv_string_init): Deal with wide characters strings
	constructors.
	(gfc_conv_constant_to_tree): Call gfc_build_wide_string_const.
	* trans-stmt.c (gfc_trans_label_assign): Likewise.
	(gfc_trans_character_select): Deal with wide strings.
	* expr.c (gfc_check_assign): Allow conversion between character
	kinds on assignment.
	* trans-const.h (gfc_build_wide_string_const): New prototype.
	* trans-types.c (gfc_get_character_type_len_for_eltype,
	gfc_get_character_type_len): Create too variants of the old
	gfc_get_character_type_len, one getting kind argument and the
	other one directly taking a type tree.
	* trans.h (gfor_fndecl_select_string_char4,
	gfor_fndecl_convert_char1_to_char4,
	gfor_fndecl_convert_char4_to_char1): New prototypes.
	* trans-types.h (gfc_get_character_type_len_for_eltype): New
	prototype.
	* resolve.c (resolve_operator): Exit early when kind mismatches
	are detected, because that makes us issue an error message later.
	(validate_case_label_expr): Fix wording of error message.
	* iresolve.c (gfc_resolve_adjustl, gfc_resolve_adjustr): New
	functions.
	(gfc_resolve_pack): Call _char4 variants of library function
	when dealing with wide characters.
	(gfc_resolve_reshape): Likewise.
	(gfc_resolve_spread): Likewise.
	(gfc_resolve_transpose): Likewise.
	(gfc_resolve_unpack): Likewise.
	* target-memory.c (size_character): Take character kind bit size
	correctly into account (not that it changes anything for now, but
	it's more generic).
	(gfc_encode_character): Added gfc_ prefix. Encoding each
	character of a string by calling native_encode_expr for the
	corresponding unsigned integer.
	(gfc_target_encode_expr): Add gfc_ prefix to encode_character.
	* trans-decl.c (gfc_build_intrinsic_function_decls): Build
	gfor_fndecl_select_string_char4, gfor_fndecl_convert_char1_to_char4
	and gfor_fndecl_convert_char4_to_char1.
	* target-memory.h (gfc_encode_character): New prototype.
	* arith.c (gfc_check_character_range): New function.
	(eval_intrinsic): Allow non-default character kinds.
	* check.c (gfc_check_access_func): Only allow default
	character kind arguments.
	(gfc_check_chdir): Likewise.
	(gfc_check_chdir_sub): Likewise.
	(gfc_check_chmod): Likewise.
	(gfc_check_chmod_sub): Likewise.
	(gfc_check_lge_lgt_lle_llt): New function.
	(gfc_check_link): Likewise.
	(gfc_check_link_sub): Likewise.
	(gfc_check_symlnk): Likewise.
	(gfc_check_symlnk_sub): Likewise.
	(gfc_check_rename): Likewise.
	(gfc_check_rename_sub): Likewise.
	(gfc_check_fgetputc_sub): Likewise.
	(gfc_check_fgetput_sub): Likewise.
	(gfc_check_stat): Likewise.
	(gfc_check_stat_sub): Likewise.
	(gfc_check_date_and_time): Likewise.
	(gfc_check_ctime_sub): Likewise.
	(gfc_check_fdate_sub): Likewise.
	(gfc_check_gerror): Likewise.
	(gfc_check_getcwd_sub): Likewise.
	(gfc_check_getarg): Likewise.
	(gfc_check_getlog): Likewise.
	(gfc_check_hostnm): Likewise.
	(gfc_check_hostnm_sub): Likewise.
	(gfc_check_ttynam_sub): Likewise.
	(gfc_check_perror): Likewise.
	(gfc_check_unlink): Likewise.
	(gfc_check_unlink_sub): Likewise.
	(gfc_check_system_sub): Likewise.
	* primary.c (got_delim): Perform correct character range checking
	for all kinds.
	* trans-intrinsic.c (gfc_conv_intrinsic_conversion): Generate
	calls to library functions convert_char4_to_char1 and
	convert_char1_to_char4 for character conversions.
	(gfc_conv_intrinsic_char): Allow all character kings.
	(gfc_conv_intrinsic_strcmp): Fix whitespace.
	(gfc_conv_intrinsic_repeat): Take care of all character kinds.
	* intrinsic.texi: For all GNU intrinsics accepting character
	arguments, mention that they're restricted to the default kind.
	* simplify.c (simplify_achar_char): New function.
	(gfc_simplify_achar, gfc_simplify_char): Call simplify_achar_char.
	gfc_simplify_ichar): Don't error out for wide characters.
	(gfc_convert_char_constant): New function.

	* gfortran.dg/achar_3.f90: Adjust error messages.
	* gfortran.dg/achar_5.f90: New test.
	* gfortran.dg/achar_6.F90: New test.
	* gfortran.dg/widechar_1.f90: New test.
	* gfortran.dg/widechar_2.f90: New test.
	* gfortran.dg/widechar_3.f90: New test.
	* gfortran.dg/widechar_4.f90: New test.
	* gfortran.dg/widechar_intrinsics_1.f90: New test.
	* gfortran.dg/widechar_intrinsics_2.f90: New test.
	* gfortran.dg/widechar_intrinsics_3.f90: New test.
	* gfortran.dg/widechar_intrinsics_4.f90: New test.
	* gfortran.dg/widechar_intrinsics_5.f90: New test.
	* gfortran.dg/widechar_select_1.f90: New test.
	* gfortran.dg/widechar_select_2.f90: New test.

From-SVN: r135515
2008-05-18 22:45:05 +00:00
Jerry DeLisle
acb388a0cb re PR fortran/34325 (Wrong error message for syntax error)
2008-05-16  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

    PR fortran/34325
    * decl.c (match_attr_spec): Check for matching pairs of parenthesis.
    * expr.c (gfc_specification_expr): Supplement the error message with the
    type that was found.
    * resolve.c (gfc_resolve_index): Likewise.
    * match.c (gfc_match_parens): Clarify error message with "at or before".
    (gfc_match_do): Check for matching pairs of parenthesis.

From-SVN: r135428
2008-05-16 16:44:28 +00:00
Francois-Xavier Coudert
006601890b arith.c: (gfc_arith_concat...
* arith.c: (gfc_arith_concat, gfc_compare_string,
	gfc_compare_with_Cstring, hollerith2representation,
	gfc_hollerith2int, gfc_hollerith2real, gfc_hollerith2complex,
	gfc_hollerith2character, gfc_hollerith2logical): Use wide
	characters for character constants.
	* data.c (create_character_intializer): Likewise.
	* decl.c (gfc_set_constant_character_len): Likewise.
	* dump-parse-tree.c (show_char_const): Correctly dump wide
	character strings.
	error.c (print_wide_char): Rename into gfc_print_wide_char.
	(show_locus): Adapt to new prototype of gfc_print_wide_char.
	expr.c (free_expr0): Representation is now disjunct from
	character string value, so we always free it.
	(gfc_copy_expr, find_substring_ref, gfc_simplify_expr): Adapt
	to wide character strings.
	* gfortran.h (gfc_expr): Make value.character.string a wide string.
	(gfc_wide_toupper, gfc_wide_strncasecmp, gfc_wide_memset,
	gfc_widechar_to_char, gfc_char_to_widechar): New prototypes.
	(gfc_get_wide_string): New macro.
	(gfc_print_wide_char): New prototype.
	* io.c (format_string): Make a wide string.
	(next_char, gfc_match_format, compare_to_allowed_values, 
	gfc_match_open): Deal with wide strings.
	* module.c (mio_expr): Convert between wide strings and ASCII ones.
	* primary.c (match_hollerith_constant, match_charkind_name): 
	Handle wide strings.
	* resolve.c (build_default_init_expr): Likewise.
	* scanner.c (gfc_wide_toupper, gfc_wide_memset,
	gfc_char_to_widechar): New functions.
	(wide_strchr, gfc_widechar_to_char, gfc_wide_strncasecmp):
	Changes in prototypes.
	(gfc_define_undef_line, load_line, preprocessor_line,
	include_line, load_file, gfc_read_orig_filename): Handle wide
	strings.
	* simplify.c (gfc_simplify_achar, gfc_simplify_adjustl,
	gfc_simplify_adjustr, gfc_simplify_char, gfc_simplify_iachar,
	gfc_simplify_ichar, simplify_min_max, gfc_simplify_new_line,
	gfc_simplify_repeat): Handle wide strings.
	(wide_strspn, wide_strcspn): New helper functions.
	(gfc_simplify_scan, gfc_simplify_trim, gfc_simplify_verify):
	Handle wide strings.
	* symbol.c (generate_isocbinding_symbol): Likewise.
	* target-memory.c (size_character, gfc_target_expr_size,
	encode_character, gfc_target_encode_expr, gfc_interpret_character,
	gfc_target_interpret_expr): Handle wide strings.
	* trans-const.c (gfc_conv_string_init): Lower wide strings to
	narrow ones.
	(gfc_conv_constant_to_tree): Likewise.
	* trans-expr.c (gfc_conv_substring_expr): Handle wide strings.
	* trans-io.c (gfc_new_nml_name_expr): Likewise.
	* trans-stmt.c (gfc_trans_label_assign): Likewise.

From-SVN: r135006
2008-05-06 21:06:20 +00:00
Paul Thomas
05e6ff8009 re PR fortran/35864 (Revision 133965 broke gfortran.dg/initialization_1.f90)
2008-04-15  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/35864
	* expr.c (scalarize_intrinsic_call): Reorder identification of
	array argument so that if one is not found a segfault does not
	occur.  Return FAILURE if all scalar arguments.

From-SVN: r134329
2008-04-15 19:40:33 +00:00
Paul Thomas
679d963737 Index...
Index: gcc/fortran/trans-stmt.c
===================================================================
*** gcc/fortran/trans-stmt.c	(revision 133728)
--- gcc/fortran/trans-stmt.c	(working copy)
*************** gfc_trans_where_2 (gfc_code * code, tree
*** 3540,3547 ****
  
  /* Translate a simple WHERE construct or statement without dependencies.
     CBLOCK is the "then" clause of the WHERE statement, where CBLOCK->EXPR
!    is the mask condition, and EBLOCK if non-NULL is the "else" clause.
!    Currently both CBLOCK and EBLOCK are restricted to single assignments.  */
  
  static tree
  gfc_trans_where_3 (gfc_code * cblock, gfc_code * eblock)
--- 3540,3550 ----
  
  /* Translate a simple WHERE construct or statement without dependencies.
     CBLOCK is the "then" clause of the WHERE statement, where CBLOCK->EXPR
!    is the mask condition, and EBLOCK if non-NULL is the "then" clause of
!    the ELSWHERE.  As required by 7.5.3.2, the WHERE and ELSEWHERE are
!    executed with separate loops. It should be noted that the mask expression
!    is evaluated for both loops.  Currently both CBLOCK and EBLOCK are
!    restricted to single assignments.  */
  
  static tree
  gfc_trans_where_3 (gfc_code * cblock, gfc_code * eblock)
*************** gfc_trans_where_3 (gfc_code * cblock, gf
*** 3561,3566 ****
--- 3564,3570 ----
    edst = eblock ? eblock->next->expr : NULL;
    esrc = eblock ? eblock->next->expr2 : NULL;
  
+   /*---------------First do the WHERE part.----------------*/
    gfc_start_block (&block);
    gfc_init_loopinfo (&loop);
  
*************** gfc_trans_where_3 (gfc_code * cblock, gf
*** 3584,3619 ****
    gfc_add_ss_to_loop (&loop, tdss);
    gfc_add_ss_to_loop (&loop, tsss);
  
-   if (eblock)
-     {
-       /* Handle the else clause.  */
-       gfc_init_se (&edse, NULL);
-       gfc_init_se (&esse, NULL);
-       edss = gfc_walk_expr (edst);
-       esss = gfc_walk_expr (esrc);
-       if (esss == gfc_ss_terminator)
- 	{
- 	  esss = gfc_get_ss ();
- 	  esss->next = gfc_ss_terminator;
- 	  esss->type = GFC_SS_SCALAR;
- 	  esss->expr = esrc;
- 	}
-       gfc_add_ss_to_loop (&loop, edss);
-       gfc_add_ss_to_loop (&loop, esss);
-     }
- 
    gfc_conv_ss_startstride (&loop);
    gfc_conv_loop_setup (&loop);
  
    gfc_mark_ss_chain_used (css, 1);
    gfc_mark_ss_chain_used (tdss, 1);
    gfc_mark_ss_chain_used (tsss, 1);
!   if (eblock)
!     {
!       gfc_mark_ss_chain_used (edss, 1);
!       gfc_mark_ss_chain_used (esss, 1);
!     }
! 
    gfc_start_scalarized_body (&loop, &body);
  
    gfc_copy_loopinfo_to_se (&cse, &loop);
--- 3588,3600 ----
    gfc_add_ss_to_loop (&loop, tdss);
    gfc_add_ss_to_loop (&loop, tsss);
  
    gfc_conv_ss_startstride (&loop);
    gfc_conv_loop_setup (&loop);
  
    gfc_mark_ss_chain_used (css, 1);
    gfc_mark_ss_chain_used (tdss, 1);
    gfc_mark_ss_chain_used (tsss, 1);
!  
    gfc_start_scalarized_body (&loop, &body);
  
    gfc_copy_loopinfo_to_se (&cse, &loop);
*************** gfc_trans_where_3 (gfc_code * cblock, gf
*** 3622,3637 ****
    cse.ss = css;
    tdse.ss = tdss;
    tsse.ss = tsss;
-   if (eblock)
-     {
-       gfc_copy_loopinfo_to_se (&edse, &loop);
-       gfc_copy_loopinfo_to_se (&esse, &loop);
-       edse.ss = edss;
-       esse.ss = esss;
-     }
  
    gfc_conv_expr (&cse, cond);
!   gfc_add_block_to_block (&body, &cse.pre);
    cexpr = cse.expr;
  
    gfc_conv_expr (&tsse, tsrc);
--- 3603,3611 ----
    cse.ss = css;
    tdse.ss = tdss;
    tsse.ss = tsss;
  
    gfc_conv_expr (&cse, cond);
!   gfc_add_block_to_block (&block, &cse.pre);
    cexpr = cse.expr;
  
    gfc_conv_expr (&tsse, tsrc);
*************** gfc_trans_where_3 (gfc_code * cblock, gf
*** 3643,3650 ****
--- 3617,3678 ----
    else
      gfc_conv_expr (&tdse, tdst);
  
+   /* Make the assignment on condition 'cond'.  */
+   tstmt = gfc_trans_scalar_assign (&tdse, &tsse, tdst->ts, false, false);  
+   tmp = build3_v (COND_EXPR, cexpr, tstmt, build_empty_stmt ());
+   gfc_add_expr_to_block (&body, tmp);
+   gfc_add_block_to_block (&body, &cse.post);
+ 
+   gfc_trans_scalarizing_loops (&loop, &body);
+   gfc_add_block_to_block (&block, &loop.pre);
+   gfc_add_block_to_block (&block, &loop.post);
+   gfc_cleanup_loop (&loop);
+ 
+ /*---------------Now do the ELSEWHERE.--------------*/
    if (eblock)
      {
+       gfc_init_loopinfo (&loop);
+  
+       /* Handle the condition.  */
+       gfc_init_se (&cse, NULL);
+       css = gfc_walk_expr (cond);
+       gfc_add_ss_to_loop (&loop, css);
+ 
+       /* Handle the then-clause.  */
+       gfc_init_se (&edse, NULL);
+       gfc_init_se (&esse, NULL);
+       edss = gfc_walk_expr (edst);
+       esss = gfc_walk_expr (esrc);
+       if (esss == gfc_ss_terminator)
+ 	{
+ 	  esss = gfc_get_ss ();
+ 	  esss->next = gfc_ss_terminator;
+ 	  esss->type = GFC_SS_SCALAR;
+ 	  esss->expr = esrc;
+ 	}
+       gfc_add_ss_to_loop (&loop, edss);
+       gfc_add_ss_to_loop (&loop, esss);
+ 
+       gfc_conv_ss_startstride (&loop);
+       gfc_conv_loop_setup (&loop);
+ 
+       gfc_mark_ss_chain_used (css, 1);
+       gfc_mark_ss_chain_used (edss, 1);
+       gfc_mark_ss_chain_used (esss, 1);
+ 
+       gfc_start_scalarized_body (&loop, &body);
+ 
+       gfc_copy_loopinfo_to_se (&cse, &loop);
+       gfc_copy_loopinfo_to_se (&edse, &loop);
+       gfc_copy_loopinfo_to_se (&esse, &loop);
+       cse.ss = css;
+       edse.ss = edss;
+       esse.ss = esss;
+ 
+       gfc_conv_expr (&cse, cond);
+       gfc_add_block_to_block (&body, &cse.pre);
+       cexpr = cse.expr;
+ 
        gfc_conv_expr (&esse, esrc);
        if (edss != gfc_ss_terminator && loop.temp_ss != NULL)
          {
*************** gfc_trans_where_3 (gfc_code * cblock, gf
*** 3653,3672 ****
          }
        else
          gfc_conv_expr (&edse, edst);
      }
  
-   tstmt = gfc_trans_scalar_assign (&tdse, &tsse, tdst->ts, false, false);
-   estmt = eblock ? gfc_trans_scalar_assign (&edse, &esse, edst->ts, false, false)
- 		 : build_empty_stmt ();
-   tmp = build3_v (COND_EXPR, cexpr, tstmt, estmt);
-   gfc_add_expr_to_block (&body, tmp);
-   gfc_add_block_to_block (&body, &cse.post);
- 
-   gfc_trans_scalarizing_loops (&loop, &body);
-   gfc_add_block_to_block (&block, &loop.pre);
-   gfc_add_block_to_block (&block, &loop.post);
-   gfc_cleanup_loop (&loop);
- 
    return gfc_finish_block (&block);
  }
  
--- 3681,3700 ----
          }
        else
          gfc_conv_expr (&edse, edst);
+  
+       /* Make the assignment on condition 'NOT.cond'.  */
+       estmt = gfc_trans_scalar_assign (&edse, &esse, edst->ts, false, false);
+       cexpr = fold_build1 (TRUTH_NOT_EXPR, boolean_type_node, cexpr);
+       tmp = build3_v (COND_EXPR, cexpr, estmt, build_empty_stmt ());
+       gfc_add_expr_to_block (&body, tmp);
+       gfc_add_block_to_block (&body, &cse.post);
+ 
+       gfc_trans_scalarizing_loops (&loop, &body);
+       gfc_add_block_to_block (&block, &loop.pre);
+       gfc_add_block_to_block (&block, &loop.post);
+       gfc_cleanup_loop (&loop);
      }
  
    return gfc_finish_block (&block);
  }
  
*************** gfc_trans_where (gfc_code * code)
*** 3698,3708 ****
  					cblock->next->expr2, 0))
  	    return gfc_trans_where_3 (cblock, NULL);
  	}
        else if (!eblock->expr
  	       && !eblock->block
  	       && eblock->next
  	       && eblock->next->op == EXEC_ASSIGN
! 	       && !eblock->next->next)
  	{
            /* A simple "WHERE (cond) x1 = y1 ELSEWHERE x2 = y2 ENDWHERE"
  	     block is dependence free if cond is not dependent on writes
--- 3726,3739 ----
  					cblock->next->expr2, 0))
  	    return gfc_trans_where_3 (cblock, NULL);
  	}
+       /* Since gfc_trans_where_3 evaluates the condition expression
+ 	 twice, do not use it if the condition is not a variable.  */
        else if (!eblock->expr
  	       && !eblock->block
  	       && eblock->next
  	       && eblock->next->op == EXEC_ASSIGN
! 	       && !eblock->next->next
! 	       && cblock->expr->expr_type == EXPR_VARIABLE)
  	{
            /* A simple "WHERE (cond) x1 = y1 ELSEWHERE x2 = y2 ENDWHERE"
  	     block is dependence free if cond is not dependent on writes
Index: gcc/testsuite/gfortran.dg/where_1.f90
===================================================================
*** gcc/testsuite/gfortran.dg/where_1.f90	(revision 0)
--- gcc/testsuite/gfortran.dg/where_1.f90	(revision 0)
***************
*** 0 ****
--- 1,61 ----
+ ! { dg-do run }
+ ! { dg-options "-fdump-tree-original" }
+ ! Tests the fix for PR35759, in which the simple WHERE was logically
+ ! wrong.  7.5.3.2 requires that the WHERE and ELSEWHERE are execute in
+ ! separate loops, whereas gfortran was implementing them as a single
+ ! loop with an 'if' and 'else'.  Since the condition expression is
+ ! evaluated twice with the fix, the use of anything other than a
+ ! variable or parameter array for the condition will trigger the more
+ ! comprehensive implementation of WHERE.  This is checked by the
+ ! check of the declaration of temp.15 in the 'original' code.
+ !
+ ! Contributed by Dick Hendrickson <dick.hendrickson@gmail.com>
+ !
+ program RG0023
+ 
+   integer UDA1L(6)
+   integer ::  UDA1R(6), expected(6) = (/2,0,5,0,3,0/)
+   LOGICAL LDA(5)
+   LOGICAL, parameter :: PDA(5) = (/ (i/2*2 .ne. I, i=1,5) /)
+ 
+   UDA1L(1:6) = 0
+   uda1r = (/1,2,3,4,5,6/)
+   lda = pda
+ 
+   WHERE (lda)                !          expected
+     UDA1L(1:5) = UDA1R(2:6)  !  uda1l = 2,0,4,0,6,0
+   ELSEWHERE
+     UDA1L(2:6) = UDA1R(6:2:-1) !uda1l = 2,0,5,0,3,0
+   ENDWHERE
+ 
+   if (any (uda1l /= expected)) call abort ()
+ 
+   uda1l = 0
+ 
+   WHERE (pda)                !          expected
+     UDA1L(1:5) = UDA1R(2:6)  !  uda1l = 2,0,4,0,6,0
+   ELSEWHERE
+     UDA1L(2:6) = UDA1R(6:2:-1) !uda1l = 2,0,5,0,3,0
+   ENDWHERE
+ 
+   if (any (uda1l /= expected)) call abort ()
+  
+   uda1l = 0
+ 
+   WHERE (lfoo ())            !          expected
+     UDA1L(1:5) = UDA1R(2:6)  !  uda1l = 2,0,4,0,6,0
+   ELSEWHERE
+     UDA1L(2:6) = UDA1R(6:2:-1) !uda1l = 2,0,5,0,3,0
+   ENDWHERE
+ 
+   if (any (uda1l /= expected)) call abort ()
+  
+ contains
+ 
+   function lfoo () result (ltmp)
+     logical ltmp(5)
+     ltmp = lda
+   end function lfoo
+ END
+ ! { dg-final { scan-tree-dump-times "temp.18\\\[5\\\]" 1 "original" } }
+ ! { dg-final { cleanup-tree-dump "original" } }

From-SVN: r133965
2008-04-06 19:37:45 +00:00
Jerry DeLisle
44000dbbe0 re PR fortran/35059 (Seg fault when max constructor limit reached)
2008-02-29  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/35059
	* expr.c (find_array_element): Modify traversing the constructor to
	avoid trying to access NULL memory pointed to by next for the
	last element. (find_array_section): Exit while loop if cons->next is
	NULL.
	* trans-expr.c (gfc_conv_scalar_char_value): Initialize gfc_typespec.
	(gfc_conv_function_call): Same.
	* decl.c (gfc_match_implicit): Same.
	* trans-intrinsic.c (gfc_conv_intrinsic_sr_kind): Same.

From-SVN: r132782
2008-02-29 22:50:25 +00:00
Tobias Schlüter
835aac9231 arith.c: Update copyright years.
* arith.c: Update copyright years.
* arith.h: Likewise.
* array.c: Likewise.
* bbt.c: Likewise.
* check.c: Likewise.
* data.c: Likewise.
* data.h: Likewise.
* decl.c: Likewise.
* dependency.c: Likewise.
* dependency.h: Likewise.
* dump-parse-tree.c: Likewise.
* error.c: Likewise.
* expr.c: Likewise.
* gfc-internals.texi: Likewise.
* gfortran.h: Likewise.
* gfortran.texi: Likewise.
* gfortranspec.c: Likewise.
* interface.c: Likewise.
* intrinsic.c: Likewise.
* intrinsic.h: Likewise.
* intrinsic.texi: Likewise.
* invoke.texi: Likewise.
* io.c: Likewise.
* iresolve.c: Likewise.
* iso-c-binding.def: Likewise.
* iso-fortran-env.def: Likewise.
* lang-specs.h: Likewise.
* lang.opt: Likewise.
* libgfortran.h: Likewise.
* match.c: Likewise.
* match.h: Likewise.
* matchexp.c: Likewise.
* misc.c: Likewise.
* module.c: Likewise.
* openmp.c: Likewise.
* options.c: Likewise.
* parse.c: Likewise.
* parse.h: Likewise.
* primary.c: Likewise.
* resolve.c: Likewise.
* scanner.c: Likewise.
* simplify.c: Likewise.
* st.c: Likewise.
* symbol.c: Likewise.
* target-memory.c: Likewise.
* target-memory.h: Likewise.
* trans-array.h: Likewise.
* trans-const.h: Likewise.
* trans-stmt.h: Likewise.
* trans-types.c: Likewise.
* trans-types.h: Likewise.
* types.def: Likewise.

From-SVN: r132600
2008-02-24 22:43:48 +01:00
Daniel Franke
606c2c03b0 re PR fortran/35030 (add type/kind information to pointer assignments)
2008-02-19  Daniel Franke  <franke.daniel@gmail.com>

	PR fortran/35030
	* expr.c (gfc_check_pointer_assign): Add type and kind information
	to type-mismatch message.
	(gfc_check_assign): Unify error messages.

From-SVN: r132442
2008-02-19 13:26:12 -05:00
Paul Thomas
db39d0c23d re PR fortran/34910 (ICE on invalid assignments in doubly-contained functions)
2008-01-31  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/34910
	* expr.c (gfc_check_assign): It is an error to assign
	to a sibling procedure.

2008-01-31  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/34910
	* gfortran.dg/proc_assign_2.f90: New test.

From-SVN: r131985
2008-01-31 22:20:47 +00:00
Daniel Franke
c29164019f re PR fortran/34915 (-std=f95 rejects len_trim() and index() in init expressions)
gcc/fortran:
2008-01-22  Daniel Franke  <franke.daniel@gmail.com>

	PR fortran/34915
	* expr.c (check_elemental): Fix check for valid data types.


gcc/testsuite:
	2008-01-22  Daniel Franke  <franke.daniel@gmail.com>

	PR fortran/34915
	* gfortran.dg/initialization_18.f90: New test.

From-SVN: r131715
2008-01-22 07:19:54 -05:00
Paul Thomas
0c6ce8b027 re PR fortran/34476 (Parameters: Bogus out of bounds error in array constructor)
2008-01-08  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/34476
	* expr.c (find_array_element): Check that the array bounds are
	constant before using them.  Use lower, as well as upper bound.
	(check_restricted): Allow implied index variable.

2008-01-08  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/34476
	* gfortran.dg/parameter_array_init_3.f90: New test.

From-SVN: r131396
2008-01-08 15:14:33 +00:00
Tobias Burnus
c7abc45c7f re PR fortran/34482 (FAIL: gfortran.dg/nan_4.f90 -O tests for errors)
2007-12-20  Tobias Burnus  <burnus@net-b.de>

        PR fortran/34482
        * gfortran.texi (BOZ): Document behavior for complex
        numbers.
        * target-memory.h (gfc_convert_boz): Update prototype.
        * target-memory.c (gfc_convert_boz): Add error check
        and convert BOZ to smallest possible bit size.
        * resolve.c (resolve_ordinary_assign): Check return value.
        * expr.c (gfc_check_assign): Ditto.
        * simplify.c (simplify_cmplx, gfc_simplify_dble,
        gfc_simplify_float, gfc_simplify_real): Ditto.

2007-12-20  Tobias Burnus  <burnus@net-b.de>

        PR fortran/34482
        * gfortran.dg/boz_8.f90: Add error-check check.
        * gfortran.dg/boz_9.f90: Shorten BOZ where needed, replace
        stop by call abort.

From-SVN: r131098
2007-12-20 09:13:09 +01:00
Daniel Franke
106dbde4b6 re PR fortran/34495 (accepts invalid initialization expressions withTRANSFER)
gcc/fortran:
2007-12-19  Daniel Franke  <franke.daniel@gmail.com>

        PR fortran/34495
        * expr.c (check_init_expr): Check whether variables with flavor
        FL_PARAMETER do have a value assigned. Added error messages where
        appropriate.
        * simplify.c (gfc_simplify_transfer): Added check if the MOLD
        argument is a constant if working with initialization
        expressions.

gcc/testsuite:
2007-12-19  Daniel Franke  <franke.daniel@gmail.com>

        PR fortran/34495
        * gfortran.dg/transfer_simplify_2.f90: Fixed invalid initialization
	expressions.
        * gfortran.dg/transfer_simplify_7.f90: New test.

From-SVN: r131047
2007-12-18 18:39:56 -05:00
Tobias Burnus
4956b1f147 re PR fortran/34398 (BOZ literals: Range checks)
2007-12-14  Tobias Burnus  <burnus@net-b.de>

        PR fortran/34398
        * expr.c (gfc_check_assign): Add range checks for assignments of
        * BOZs.
        * resolve.c (resolve_ordinary_assign): Ditto.
        * arith.c (gfc_range_check): Fix return value for complex
        * numbers.

2007-12-14  Tobias Burnus  <burnus@net-b.de>

        PR fortran/34398
        * gfortran.dg/nan_4.f90: New.

From-SVN: r130932
2007-12-14 16:11:17 +01:00
Paul Thomas
28d08315ed re PR fortran/32129 (ICE: Procedure call with array-section-actual to scalar dummy)
2007-12-09  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/32129
	* dump-parse-tree.c (gfc_show_expr_n): New function for
	debugging.
	* gfortran.h : Add prototype for gfc_show_expr_n.
	* expr.c (simplify_constructor): Copy the constructor
	expression and try to simplify that.  If success, replace the
	original.  Otherwise discard the copy, keep going through
	the structure and return success.

	PR fortran/31487
	* decl.c (build_struct): Pad out default initializers with
	spaces to the component character length.

2007-12-09  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/32129
	* gfortran.dg/derived_comp_array_ref_6.f90: New test.
	* gfortran.dg/derived_comp_array_ref_7.f90: New test.

	PR fortran/31487
	* gfortran.dg/char_component_initializer_1.f90: New test.

From-SVN: r130719
2007-12-09 09:17:24 +00:00
Tobias Burnus
00a4618b3f re PR fortran/34342 (BOZ extensions not diagnosed as such with -std=f95)
2007-12-08  Tobias Burnus  <burnus@net-b.de>

        PR fortran/34342
        PR fortran/34345
        PR fortran/18026
        PR fortran/29471

        * gfortran.texi (BOZ literal constants): Improve documentation
        and adapt for BOZ changes.
        * Make-lang.ini (resolve.o): Add target-memory.h dependency.
        * gfortran.h (gfc_expr): Add is_boz flag.
        * expr.c: Include target-memory.h.
        (gfc_check_assign): Support transferring BOZ for real/cmlx.
        * resolve.c: Include target-memory.h
        (resolve_ordinary_assign): Support transferring BOZ for real/cmlx.
        * target-memory.c (gfc_convert_boz): New function.
        * target-memory.c (gfc_convert_boz): Add prototype.
        * primary.c (match_boz_constant): Set is_boz, enable F95 error
        also without -pedantic, and allow for Fortran 2003 BOZ.
        (match_real_constant): Fix comment.
        * simplify.c
        * (simplify_cmplx,gfc_simplify_dble,gfc_simplify_float,
        gfc_simplify_real): Support Fortran 2003 BOZ.

2007-12-08  Tobias Burnus  <burnus@net-b.de>

        PR fortran/34342
        PR fortran/34345
        PR fortran/18026
        PR fortran/29471

        * gfortran.dg/boz_8.f90: New.
        * gfortran.dg/boz_9.f90: New.
        * gfortran.dg/boz_10.f90: New.
        * gfortran.dg/boz_7.f90: Update dg-warning.
        * gfortran.dg/pr16433.f: Add dg-error.
        * gfortan.dg/ibits.f90: Update dg-warning.
        * gfortran.dg/unf_io_convert_1.f90: Update/delete dg-warning.
        * gfortran.dg/unf_io_convert_2.f90: Ditto.

From-SVN: r130713
2007-12-08 22:46:56 +01:00
Paul Thomas
908a223518 re PR fortran/29389 (Statement functions are not recognized as pure when they are)
2007-11-27  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/29389
	*resolve.c (resolve_ordinary_assign): Use find_sym_in_expr to
	test if a temporary should be written for a vector subscript
	on the lhs.

	PR fortran/33850
	* restore.c (pure_stmt_function): Add prototype and new
	function. Calls impure_stmt_fcn.
	(pure_function): Call it.
	(impure_stmt_fcn): New function.

	* expr.c (gfc_traverse_expr): Call *func for all expression
	types, not just variables. Add traversal of character lengths,
	iterators and component character lengths and arrayspecs.
	(expr_set_symbols_referenced): Return false if not a variable.
	* trans-stmt.c (forall_replace, forall_restore): Ditto.
	* resolve.c (forall_index): Ditto.
	(sym_in_expr): New function.
	(find_sym_in_expr): Rewrite to traverse expression calling
	sym_in_expr.
	*trans-decl.c (expr_decls): New function.
	(generate_expr_decls): Rewrite to traverse expression calling
	expr_decls.
	*match.c (check_stmt_fcn): New function.
	(recursive_stmt_fcn): Rewrite to traverse expression calling
	check_stmt_fcn.

2007-11-27  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/29389
	* gfortran.dg/stfunc_6.f90: New test.

	PR fortran/33850
	* gfortran.dg/assign_10.f90: New test.

From-SVN: r130472
2007-11-27 20:47:55 +00:00
Francois-Xavier Coudert
f5fd0cf12d re PR fortran/33957 (gfortran rejects valid initialization expression)
PR fortran/33957

	* gfortran.dg/initialization_15.f90 : New test.

	* expr.c (check_inquiry): Don't call gfc_error now.

From-SVN: r130246
2007-11-16 22:38:21 +00:00
Paul Thomas
640670c7f4 [multiple changes]
2007-10-29  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/31217
        PR fortran/33811
        PR fortran/33686
        * trans-array.c (gfc_conv_loop_setup): Send a complete type to
        gfc_trans_create_temp_array if the temporary is character.
        * trans-stmt.c (gfc_trans_assign_need_temp): Do likewise for
        allocate_temp_for_forall_nest.
        (forall_replace): New function.
        (forall_replace_symtree): New function.
        (forall_restore): New function.
        (forall_restore_symtree): New function.
        (forall_make_variable_temp): New function.
        (check_forall_dependencies): New function.
        (cleanup_forall_symtrees): New function.
        gfc_trans_forall_1): Add and initialize pre and post blocks.
        Call check_forall_dependencies to check for all dependencies
        and either trigger second forall block to copy temporary or
        copy lval, outside the forall construct and replace all
        dependent references. After assignment clean-up and coalesce
        the blocks at the end of the function.
        * gfortran.h : Add prototypes for gfc_traverse_expr and
        find_forall_index.
        expr.c (gfc_traverse_expr): New function to traverse expression
        and visit all subexpressions, under control of a logical flag,
        a symbol and an integer pointer. The slave function is caller
        defined and is only called on EXPR_VARIABLE.
        (expr_set_symbols_referenced): Called by above to set symbols
        referenced.
        (gfc_expr_set_symbols_referenced): Rework of this function to
        use two new functions above.
        * resolve.c (find_forall_index): Rework with gfc_traverse_expr,
        using forall_index.
        (forall_index): New function used by previous.
        * dependency.c (gfc_check_dependency): Use gfc_dep_resolver for
        all references, not just REF_ARRAY.
        (gfc_dep_resolver): Correct the logic for substrings so that
        overlapping arrays are handled correctly.

2007-10-29 Paul Thomas <pault@gcc.gnu.org>

        PR fortran/31217
        PR fortran/33811
        * gfortran.dg/forall_12.f90: New test.

        PR fortran/33686
        * gfortran.dg/forall_13.f90: New test.

From-SVN: r129720
2007-10-29 15:13:44 +01:00
Christopher D. Rickett
36dcec9142 re PR fortran/33760 (Bind(C): Using C_PTR as structure constructor gives an ICE)
2007-10-17 Christopher D. Rickett <crickett@lanl.gov>

        PR fortran/33760
        * symbol.c (gen_special_c_interop_ptr): Remove code to create
        constructor for c_null_ptr and c_null_funptr with value of 0.
        * expr.c (check_init_expr): Prevent check on constructors for
        iso_c_binding derived types.
        * resolve.c (resolve_structure_cons): Verify that the user isn't
        trying to invoke a structure constructor for one of the
        iso_c_binding derived types.


2007-10-17 Christopher D. Rickett <crickett@lanl.gov>

        PR fortran/33760
        * gfortran.dg/c_ptr_tests_13.f03: New test case.

From-SVN: r129402
2007-10-17 08:57:06 +02:00
Paul Thomas
98a36c7ca0 re PR fortran/33664 (crash on invalid program)
2007-10-12  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/33664
	* expr.c (gfc_specification_expr): If a function is not
	external, intrinsic or pure is an error.  Set the symbol pure
	to prevent repeat errors.

2007-10-12  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/33664
	* gfortran.dg/impure_spec_expr_1.f90: New test.
	* gfortran.dg/char_result_7.f90: Remove illegal test.

From-SVN: r129267
2007-10-12 16:45:46 +00:00
Francois-Xavier Coudert
28ec36ea31 re PR fortran/33636 (Rejects valid use of vector subscript in derived type parameter)
PR fortran/33636
	* expr.c (find_array_section): Check for constructor constantness.

From-SVN: r129208
2007-10-10 13:38:38 +00:00