Commit Graph

99 Commits

Author SHA1 Message Date
Paul Thomas
eba55d501f re PR fortran/33541 (gfortran wrongly imports renamed-use-associated symbol unrenamed)
2007-11-24  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/33541
	* module.c (find_symtree_for_symbol): Move to new location.
	(find_symbol): New function.
	(load_generic_interfaces): Rework completely so that symtrees
	have the local name and symbols have the use name.  Renamed
	generic interfaces exclude the use of the interface without an
	ONLY clause (11.3.2).
	(read_module): Implement 11.3.2 in the same way as for generic
	interfaces.

2007-11-24  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/33541
	* gfortran.dg/nested_modules_1.f90: Change the reference to
	FOO, forbidden by the standard, to a reference to W.
	* gfortran.dg/use_only_1.f90: New test.

From-SVN: r130395
2007-11-24 10:17:26 +00:00
Tobias Burnus
c5b5a17a92 re PR fortran/34187 (BIND(C): Public generic with private bind(c) specific does not use bind(C) name)
2007-11-23  Tobias Burnus  <burnus@net-b.de>

        PR fortran/34187
        * module.c (load_needed): Ensure binding_label is not lost.

        * decl.c (set_binding_label,gfc_match_bind_c): Replace
        strncpy by strcpy.

2007-11-23  Tobias Burnus  <burnus@net-b.de>

        PR fortran/34187
        * gfortran.dg/bind_c_usage_15.f90: New.

From-SVN: r130386
2007-11-24 01:11:38 +01:00
Francois-Xavier Coudert
d61ae8dd99 re PR fortran/30285 (gfortran excessive memory usage with COMMON blocks in modules)
PR fortran/30285
	* module.c (struct written_common, written_commons): New structure.
	(compare_written_commons, free_written_common, write_common_0):
	New functions.
	(write_common): Call recursive function write_common_0.

From-SVN: r130257
2007-11-17 13:46:53 +00:00
Tobias Burnus
1e4c40729a [multiple changes]
2007-10-31  Tobias Burnus  <burnus@net-b.de>

        PR fortran/33941
        * modules.c (intrinsics): Use only alphabetic names for
        intrinsic operators.


2007-10-31  Dominique d'Humieres  <dominiq@lps.ens.fr>
            Tobias Burnus  <burnus@net-b.de>

        PR fortran/33941
        * gfortran.dg/module_read_1.f90: New.

From-SVN: r129801
2007-10-31 16:10:12 +01:00
Tobias Schlüter
5cb4180570 re PR fortran/32147 (Module file change due to order of writting out changes)
fortran/
PR fortran/32147
* module.c (write_symbol): Fix whitespace.
(write_symbol0): Walk symtree from left-to-right instead
breadth-first.
(write_symbol1): Similarly change walk of pointer info tree.
(write_module): Insert linebreak.
* symbol.c (gfc_traverse_symtree): Change to left-to-right order.
(traverse_ns): Likewise.

testsuite/
PR fortran/32147
* gfortran.dg/module_md5_1.f90: Update hash-value.

From-SVN: r129701
2007-10-28 19:53:27 +01:00
Kaveh R. Ghazi
3ba43c5f0c module.c (mio_expr): Avoid -Wcast-qual warning.
* module.c (mio_expr): Avoid -Wcast-qual warning.

From-SVN: r128854
2007-09-28 00:41:05 +00:00
Francois-Xavier Coudert
9fa6b0af1f re PR fortran/33221 (Cannot declare variables of TYPE without components)
PR fortran/33221

	* gfortran.h (symbol_attribute): Add zero_comp field.
	* symbol.c (gfc_use_derived): Handle case of emtpy derived types.
	* decl.c (gfc_match_data_decl): Likewise.
	(gfc_match_derived_decl): Likewise.
	* module.c (ab_attribute, attr_bits): Add AB_ZERO_COMP member.
	(mio_symbol_attribute): Write and read AB_ZERO_COMP.
	* resolve.c (resolve_symbol): Handle case of emtpy derived types.
	* parse.c (parse_derived): Likewise.

	* gfortran.dg/used_types_18.f90: Declare variable of empty
	derived type.

From-SVN: r128633
2007-09-20 22:03:22 +00:00
Tobias Burnus
7b89fb3c28 re PR fortran/31298 ([F03] use mod, operator(+) => operator(.userOp.) not supported)
2007-08-26  Tobias Burnus  <burnus@net-b.de>

	PR fortran/31298
	* module.c (mio_symbol_ref,mio_interface_rest):  Return pointer_info.
	(load_operator_interfaces): Support multible loading of an operator.

2007-08-26  Tobias Burnus  <burnus@net-b.de>

	PR fortran/31298
	* gfortran.dg/use_10.f90: New.

From-SVN: r127812
2007-08-26 20:37:23 +02:00
Tobias Burnus
e9c0656362 [multiple changes]
2007-08-18  Tobias Burnus  <burnus@net-b.de>

	* gfortran.h (gfc_is_intrinsic_typename): Add declaration.
	* symbol.c (gfc_is_intrinsic_typename): New function.
	* parse.c (decode_statement): Check for space in ABSTRACT INTERFACE.
	(parse_interface): Use gfc_is_intrinsic_typename.
	* decl.c (gfc_match_derived_decl): Ditto.
	* module.c (gfc_match_use): Use gcc_unreachable() for
	INTERFACE_ABSTRACT in switch().

2007-08-19  Tobias Burnus  <burnus@net-b.de>

	* gfortran.dg/interface_abstract_2.f90: New.
	* gfortran.dg/interface_abstract_1.f90: Fix typo.

From-SVN: r127626
2007-08-19 22:08:14 +02:00
Tobias Burnus
9e1d712c40 [multiple changes]
2007-08-18  Paul Thomas  <pault@gcc.gnu.org>
	    Janus Weil  <jaydub66@gmail.com>

	* interface.c (gfc_match_interface,gfc_match_abstract_interface,
	gfc_match_end_interface,gfc_add_interface): Add abstract interface.
	* dump-parse-tree.c (gfc_show_attr): Ditto.
	* gfortran.h (interface_type,symbol_attribute): Ditto.
	* module.c (gfc_match_use,ab_attribute,attr_bits,
	mio_symbol_attribute): Ditto.
	* resolve.c (resolve_function): Ditto.
	* match.h: Ditto.
	* parse.c (decode_statement): Ditto.
	(parse_interface): Ditto, check for C1203 (name of abstract interface
	cannot be the same as an intrinsic type).
	* decl.c (gfc_match_bind_c): Check for NAME= with abstract interfaces.
	(access_attr_decl): Handle Abstract interfaces.


2007-08-17  Tobias Burnus  <burnus@net-b.de>

	* gfortran.dg/interface_abstract_1.f90: New.

From-SVN: r127612
2007-08-18 16:57:21 +02:00
Tobias Burnus
d33b602078 re PR fortran/33072 ("use mod, only: operator(.sub.)" matches any procedure "sub")
2007-08-16  Tobias Burnus  <burnus@net-b.de>

	PR fortran/33072
	* module.c (gfc_match_use): Mark user operators as such.
	(find_use_name_n): Distinguish between operators and other symbols.
	(find_use_name,number_use_names,mio_namelist,
	 load_operator_interfaces,load_generic_interfaces,read_module,
	 write_generic): Update find_use_name_n calls.

2007-08-16  Tobias Burnus  <burnus@net-b.de>

	PR fortran/33072
	* gfortran.dg/use_9.f90: New.

From-SVN: r127564
2007-08-16 20:17:46 +02:00
Francois-Xavier Coudert
654b60732e re PR fortran/31629 (option to make module entities PRIVATE by default)
PR fortran/31629

	* lang.opt (-fmodule-private): New option.
	* gfortran.h (gfc_option_t): Add flag_module_private member.
	* invoke.texi (-fmodule-private): Document the new option.
	* module.c (gfc_check_access): Allow the -fmodule-private option
	to modify the default behaviour.
	* options.c (gfc_init_options): Initialize flag_module_private.
	(gfc_handle_option): Handle -fmodule-private.

	* gfortran.dg/module_private_1.f90: New test.

From-SVN: r127381
2007-08-12 20:19:59 +00:00
Paul Thomas
aa84a9a5e4 re PR fortran/31214 (User-defined operator using entry leads to ICE)
2007-08-04  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/31214
	* symbol.c (get_unique_symtree): Moved from module.c.
	* module.c (get_unique_symtree): Moved to symbol.c.
	* decl.c (get_proc_name): Transfer the typespec from the local
	symbol to the module symbol, in the case that an entry is also
	a module procedure.  Ensure the local symbol is cleaned up by
	pointing to it with a unique symtree.

	* dump_parse_tree (gfc_show_code_node): Add EXEC_ASSIGN_CALL.

2007-08-04  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/31214
	* gfortran.dg/entry_13.f90: New test.

	* gfortran.dg/entry_12.f90: Clean up .mod file.

From-SVN: r127213
2007-08-04 20:46:11 +00:00
Nick Clifton
d234d78859 arith.c: Change copyright header to refer to version 3 of the GNU General Public...
* arith.c: Change copyright header to refer to version 3 of the GNU General 
  Public License and to point readers at the COPYING3 file and the FSF's 
  license web page.
* openmp.c, interface.c, intrinsic.c, trans-array.c, trans-expr.c, symbol.c, 
  iso-fortran-env.def, intrinsic.h, decl.c, trans-array.h, matchexp.c, 
  dump-parse-tree.c, trans-common.c, array.c, Make-lang.in, trans-openmp.c, 
  gfortran.h, error.c, iso-c-binding.def, lang.opt, data.c, trans-const.c, 
  trans-stmt.c, expr.c, trans-const.h, trans-stmt.h, module.c, trans.c, 
  scanner.c, trans-types.c, trans.h, gfortranspec.c, trans-types.h, 
  lang-specs.h, io.c, bbt.c, resolve.c, f95-lang.c, st.c, iresolve.c, match.c,
  trans-decl.c, trans-io.c, target-memory.c, match.h, target-memory.h, parse.c,
  arith.h, check.c, dependency.c, parse.h, types.def, convert.c, dependency.h,
  primary.c, trans-intrinsic.c, options.c, misc.c, simplify.c: Likewise.

From-SVN: r127129
2007-08-01 16:29:36 +00:00
Daniel Franke
5cca320dca re PR fortran/31818 (Wrongly accepts namelists with assumed-shape arrays)
gcc/fortran:
2007-07-28  Daniel Franke  <franke.daniel@gmail.com>

	PR fortran/31818
	PR fortran/32876
	PR fortran/32905
	* gfortran.h (symbol_attribute): Added bits for pointer_comp, private_comp.
	* parse.c (parse_derived): Set pointer_comp/private_comp bits if the derived
	type ultimately contains pointer components or private components.
	* module.c (ab_attribute): New values AB_POINTER_COMP, AB_PRIVATE_COMP.
	(attr_bits): Added names for new ab_attributes.
	(mio_symbol_attribute): Save/restore new attribute bits in modules.
	* match.c (gfc_match_namelist): Removed check for namelist objects of assumed
	shape.
	* resolve.c (resolve_fl_namelist): Added check for pointer or private
	components in nested types. Added check for namelist objects of assumed
	shape.

gcc/testsuite:
2007-07-28  Daniel Franke  <franke.daniel@gmail.com>

	* gfortran.dg/namelist_5.f90: Adjusted error message.
	* gfortran.dg/assumed_shape_nml.f90: Renamed to ...
	* gfortran.dg/namelist_31.f90: ... this. Removed dg-warning directive.
	* gfortran.dg/assumed_size_nml.f90: Renamed to ...
	* gfortran.dg/namelist_32.f90: ... this.

	PR fortran/32876
	* gfortran.dg/namelist_33.f90: New test.

	PR fortran/32905
	* gfortran.dg/namelist_34.f90: New test.

	PR fortran/31818
	* gfortran.dg/namelist_35.f90: New test.

From-SVN: r127014
2007-07-28 04:51:06 -04:00
Paul Thomas
5fb70d2ea4 re PR fortran/32634 (renamed, use associated generic interface rejected)
2007-07-12  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/32634
	PR fortran/32727
	* module.c (write_generic): Restore patch of 2007-07-10 and use
	symbol name if there are no use names. 

2007-07-12  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/32727
	* gfortran.dg/interface_17.f90: New test.

From-SVN: r126600
2007-07-12 20:04:59 +00:00
Daniel Franke
56b6a5fe69 re PR fortran/32634 (renamed, use associated generic interface rejected)
2007-07-12  Daniel Franke  <franke.daniel@gmail.com>

        PR fortran/32634
        PR fortran/32727
        * module.c: Reverted Paul's patch from 2007-07-10.

From-SVN: r126572
2007-07-12 02:31:12 -04:00
Paul Thomas
e7c8ff569c re PR fortran/32157 (intrinsic function name conflicts with subroutine if present in the same file)
2007-07-10  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/32157
	* resolve.c (is_external_proc): New function.  Adds test that
	the symbol is not an intrinsic procedure.
	* (resolve_function, resolve_call): Replace logical statements
	with call to is_external_proc.

	PR fortran/32689
	* simplify.c (gfc_simplify_transfer): If mold has rank, the
	result is an array.

	PR fortran/32634
	* module.c (write_generic): Write the local name of the
	interface. 


2007-07-10  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/32157
	* gfortran.dg/overload_2.f90: New test.

	PR fortran/32689
	* gfortran.dg/transfer_simplify_5.f90

	PR fortran/32634
	* gfortran.dg/interface_15.f90: New test.

From-SVN: r126509
2007-07-10 05:11:00 +00:00
Daniel Franke
090b4ea8ea re PR fortran/29876 (ICE on bad operator in ONLY clause of USE statement)
gcc/fortran:
2007-07-08  Daniel Franke  <franke.daniel@gmail.com>

	PR fortran/29876
	* module.c (gfc_match_use): Do not set an non-existant 
	intrinsic operator if a user-defined operator is found.

gcc/testsuite:
2007-07-08  Daniel Franke  <franke.daniel@gmail.com>

	PR fortran/29876
	* gfortran.dg/operator_6.f90: New test.

From-SVN: r126472
2007-07-08 18:58:45 -04:00
Daniel Franke
3bed9dd023 re PR fortran/17711 (Wrong operator name in error message)
gcc/fortran:
2007-07-08  Daniel Franke  <franke.daniel@gmail.com>
	    Tobias Schlüter <tobias.schlueter@physik.uni-muenchen.de>

	PR fortran/17711
	* gfortran.h (gfc_intrinsic_op): Added INTRINSIC_EQ_OS,
	INTRINSIC_NE_OS, INTRINSIC_GT_OS, INTRINSIC_GE_OS, 
	INTRINSIC_LT_OS and INTRINSIC_LE_OS.
	* arith.c (eval_intrinsic, eval_type_intrinsic0): Likewise.
	* arith.h (gfc_eq, gfc_ne, gfc_gt, gfc_ge, gfc_lt, gfc_le):
	Added gfc_intrinsic_op as third argument type.
	* dump-parse-tree.c (gfc_show_expr): Account for new enum values.
	* expr.c (simplify_intrinsic_op, check_intrinsic_op): Likewise.
	* interface.c (check_operator_interface): Likewise.
	(gfc_check_interfaces): Added cross-checks for FORTRAN 77 and 
	Fortran 90 style operators using new enum values.
	(gfc_extend_expr): Likewise.
	(gfc_add_interface): Likewise.
	* match.c (intrinsic_operators): Distinguish FORTRAN 77 style
	operators from Fortran 90 style operators using new enum values.
	* matchexp.c (match_level_4): Account for new enum values.
	* module.c (mio_expr): Likewise.
	* resolve.c (resolve_operator): Deal with new enum values, fix
	inconsistent error messages.
	* trans-expr.c (gfc_conv_expr_op): Account for new enum values.

gcc/testsuite:
2007-07-08  Daniel Franke  <franke.daniel@gmail.com>

	PR fortran/17711
	* gfortran.dg/operator_4.f90: New test.
	* gfortran.dg/operator_5.f90: New test.
	* gfortran.dg/logical_comp.f90: Adjusted error messages.
	* gfortran.dg/module_md5_1.f90: Adjusted MD5 sum.


Co-Authored-By: Tobias Schlüter <tobias.schlueter@physik.uni-muenchen.de>

From-SVN: r126468
2007-07-08 17:08:52 -04:00
Kazu Hirata
86bf520d74 decl.c, [...]: Fix comment typos.
* decl.c, gfortran.h, interface.c, module.c, resolve.c,
	trans-array.c, trans-decl.c: Fix comment typos.  Follow
	spelling conventions.
	* intrinsic.texi: Fix typos.  Follow spelling conventions.

From-SVN: r126440
2007-07-07 13:15:40 +00:00
Daniel Franke
ef7236d25b re PR fortran/32633 (bogus error)
gcc/fortran:
2007-05-06  Daniel Franke  <franke.daniel@gmail.com>

        PR fortran/32633
        * symbol.c (save_status): New.
        * gfortran.h (save_status): Added external declaration.
        (check_conflict): Check for conflicting explicite SAVE statements
        only.
        (gen_special_c_interop_ptr): Use SAVE_EXPLICIT constant.
        * module.c (ab_attribute, attr_bits): Removed enumerator value 
	AB_SAVE for save attribute.
        (mio_symbol_attribute): Import/export the full SAVE status,
        removed usage of AB_SAVE.
        * dump-parse-tree.c (gfc_show_attr): Dump full SAVE status.
        * decl.c (add_init_expr_to_sym): Set SAVE_IMPLICIT only if not
        already explicit.

gcc/testsuite:
2007-07-06  Daniel Franke  <franke.daniel@gmail.com>

        * gfortran.dg/save_parameter.f90: New test.
        * gfortran.dg/module_md5_1.f90: Updated MD5 sum.

From-SVN: r126413
2007-07-06 08:37:22 -04:00
Christopher D. Rickett
a8b3b0b633 [multiple changes]
2007-07-01  Christopher D. Rickett  <crickett@lanl.gov>

	* interface.c (gfc_compare_derived_types): Special case for comparing
	derived types across namespaces.
	(gfc_compare_types): Deal with BT_VOID.
	(compare_parameter): Use BT_VOID to accept ISO C Binding pointers.
	* trans-expr.c (gfc_conv_function_call): Remove setting parm_kind
	to SCALAR
	(gfc_conv_initializer): Deal with ISO C Binding NULL_PTR and 
	NULL_FUNPTR.
	(gfc_conv_expr): Convert expressions for ISO C Binding derived types.
	* symbol.c (gfc_set_default_type): BIND(C) variables should not be
	implicitly declared.
	(check_conflict): Add BIND(C) and check for conflicts.
	(gfc_add_explicit_interface): Whitespace.	
	(gfc_add_is_bind_c): New function.  
	(gfc_copy_attr): Use it.
	(gfc_new_symbol): Initialize ISO C Binding objects.
	(get_iso_c_binding_dt):  New function.
	(verify_bind_c_derived_type): Ditto.
	(gen_special_c_interop_ptr): Ditto.
	(add_formal_arg): Ditto.
	(gen_cptr_param): Ditto.
	(gen_fptr_param): Ditto.
	(gen_shape_param): Ditto.
	(add_proc_interface): Ditto.
	(build_formal_args): Ditto.
	(generate_isocbinding_symbol):  Ditto.
	(get_iso_c_sym):  Ditto.
	* decl.c (num_idents_on_line, has_name_equals): New variables.
	(verify_c_interop_param): New function.
	(build_sym): Finish binding labels and deal with COMMON blocks.
	(add_init_expr_to_sym): Check if the initialized expression is
	an iso_c_binding named constants
	(variable_decl): Set ISO C Binding type_spec components.
	(gfc_match_kind_spec): Check match for C interoperable kind.
	(match_char_spec): Fix comment. Chnage gfc_match_small_int
	to gfc_match_small_int_expr.  Check for C interoperable kind.
	(match_type_spec): Clear the current binding label.
	(match_attr_spec): Add DECL_IS_BIND_C.  If BIND(C) is found, use it
	to set attributes.
	(set_binding_label): New function.
	(set_com_block_bind_c): Ditto.
	(verify_c_interop): Ditto.
	(verify_com_block_vars_c_interop): Ditto.
	(verify_bind_c_sym): Ditto.
	(set_verify_bind_c_sym): Ditto.
	(set_verify_bind_c_com_block): Ditto.
	(get_bind_c_idents): Ditto.
	(gfc_match_bind_c_stmt): Ditto.
	(gfc_match_data_decl): Use num_idents_on_line.
	(match_result): Deal with right paren in BIND(C).
	(gfc_match_suffix): New function.
	(gfc_match_function_decl): Use it.  Code is re-arranged to deal with
	ISO C Binding result clauses.
	(gfc_match_subroutine):  Deal with BIND(C).
 	(gfc_match_bind_c): New function.
	(gfc_get_type_attr_spec): New function.  Code is re-arranged in and
	taken from gfc_match_derived_decl.
	(gfc_match_derived_decl): Add check for BIND(C).
	* trans-common.c: Forward declare gfc_get_common.
	(gfc_sym_mangled_common_id): Change arg from 'const char *name' to
	'gfc_common_head *com'.  Check for ISO C Binding of the common block.
	(build_common_decl): 'com->name' to 'com in SET_DECL_ASSEMBLER_NAME.
	* gfortran.h: Add GFC_MAX_BINDING_LABEL_LEN
	(bt): Add BT_VOID
	(sym_flavor): Add FL_VOID.
 	(iso_fortran_env_symbol, iso_c_binding_symbol, intmod_id): New enum
	(CInteropKind_t): New struct.
	(c_interop_kinds_table): Use it.  Declare an array of structs.
	(symbol_attribute): Add is_bind_c, is_c_interop, and is_iso_c
	bitfields.
	(gfc_typespec): Add is_c_interop; is_iso_c, and f90_type members.
	(gfc_symbol): Add from_intmod, intmod_sym_id, binding_label, and
	common_block members.
	(gfc_common_head): Add binding_label and is_bind_c members.
	(gfc_gsymbol): Add sym_name, mod_name, and binding_label members.
	Add prototypes for get_c_kind, gfc_validate_c_kind, 
	gfc_check_any_c_kind, gfc_add_is_bind_c, gfc_add_value,
	verify_c_interop, verify_c_interop_param, verify_bind_c_sym,
	verify_bind_c_derived_type, verify_com_block_vars_c_interop,
	generate_isocbinding_symbol, get_iso_c_sym, gfc_iso_c_sub_interface
	* iso-c-binding.def: New file. This file contains the definitions
	of the types provided by the Fortran 2003 ISO_C_BINDING intrinsic
	module.
	* trans-const.c (gfc_conv_constant_to_tree): Deal with C_NULL_PTR
	 or C_NULL_FUNPTR expressions.
	* expr.c (gfc_copy_expr): Add BT_VOID case.  For BT_CHARACTER, the
	ISO C Binding requires a minimum string length of 1 for '\0'.  
	* module.c (intmod_sym): New struct.
	(pointer_info): Add binding_label member.
	(write_atom): Set len to 0 for NULL pointers. Check for NULL p and *p.
	(ab_attribute): Add AB_IS_BIND_C, AB_IS_C_INTEROP and AB_IS_ISO_C.
	(attr_bits): Add "IS_BIND_C", "IS_C_INTEROP", and "IS_ISO_C".
	(mio_symbol_attribute): Deal with ISO C Binding attributes.
	(bt_types): Add "VOID".
	(mio_typespec): Deal with ISO C Binding components.
	(mio_namespace_ref): Add intmod variable. 
	(mio_symbol): Check for symbols from an intrinsic module.
	(load_commons): Check for BIND(C) common block.
	(read_module): Read binding_label and use it.
	(write_common): Add label.  Write BIND(C) info.
	(write_blank_common): Blank commons are not BIND(C).  Explicitly
	set is_bind_c=0.
	(write_symbol): Deal with binding_label.
	(sort_iso_c_rename_list): New function.
	(import_iso_c_binding_module): Ditto.
	(create_int_parameter): Add to args.
	(use_iso_fortran_env_module): Adjust to deal with iso_c_binding
	intrinsic module.
	* trans-types.c (c_interop_kinds_table): new array of structs. 
	(gfc_validate_c_kind): New function.
	(gfc_check_any_c_kind): Ditto.
	(get_real_kind_from_node): Ditto.
	(get_int_kind_from_node): Ditto.
	(get_int_kind_from_width): Ditto.
	(get_int_kind_from_minimal_width): Ditto.
	(init_c_interop_kinds): Ditto.
	(gfc_init_kinds): call init_c_interop_kinds.
	(gfc_typenode_for_spec): Adjust for BT_VOID and ISO C Binding pointers.
	Adjust handling of BT_DERIVED.
	(gfc_sym_type): Whitespace.
	(gfc_get_derived_type):  Account for iso_c_binding derived types
	* resolve.c (is_scalar_expr_ptr): New function.
	(gfc_iso_c_func_interface): Ditto.
	(resolve_function): Use gfc_iso_c_func_interface. 
	(set_name_and_label): New function.
	(gfc_iso_c_sub_interface): Ditto.
	(resolve_specific_s0): Use gfc_iso_c_sub_interface.
	(resolve_bind_c_comms): New function.
	(resolve_bind_c_derived_types): Ditto.
	(gfc_verify_binding_labels): Ditto.
	(resolve_fl_procedure): Check for ISO C interoperability.
	(resolve_symbol): Check C interoperability.
	(resolve_types): Walk the namespace.  Check COMMON blocks.
	* trans-decl.c (gfc_sym_mangled_identifier):  Prevent the mangling
	of identifiers that have an assigned binding label.
	(gfc_sym_mangled_function_id): Use the binding label rather than
	the mangled name.
	(gfc_finish_var_decl): Put variables that are BIND(C) into a common
	segment of the object file, because this is what C would do.
	(gfc_create_module_variable): Conver to proper types
	(set_tree_decl_type_code): New function.
	(generate_local_decl): Check dummy variables and derived types for
	ISO C Binding attributes.
	* match.c (gfc_match_small_int_expr): New function.
	(gfc_match_name_C): Ditto.
	(match_common_name): Deal with ISO C Binding in COMMON blocks
	* trans-io.c (transfer_expr):  Deal with C_NULL_PTR or C_NULL_FUNPTR
	expressions
	* match.h: Add prototypes for gfc_match_small_int_expr,
	gfc_match_name_C, match_common_name, set_com_block_bind_c,
	set_binding_label, set_verify_bind_c_sym,
	set_verify_bind_c_com_block, get_bind_c_idents,
	gfc_match_bind_c_stmt, gfc_match_suffix, gfc_match_bind_c,
	gfc_get_type_attr_spec
	* parse.c (decode_statement): Use gfc_match_bind_c_stmt
	(parse_derived): Init *derived_sym = NULL, and gfc_current_block
	later for valiadation.
	* primary.c (got_delim): Set ISO C Binding components of ts.
	(match_logical_constant): Ditto.
	(match_complex_constant): Ditto.
	(match_complex_constant): Ditto.
	(gfc_match_rvalue): Check for existence of at least one arg for
	C_LOC, C_FUNLOC, and C_ASSOCIATED.
	* misc.c (gfc_clear_ts): Clear ISO C Bindoing components in ts.
	(get_c_kind): New function.

2007-07-01  Christopher D. Rickett  <crickett@lanl.gov>

	* Makefile.in: Add support for iso_c_generated_procs.c and
	iso_c_binding.c.
	* Makefile.am: Ditto.
	* intrinsics/iso_c_generated_procs.c: New file containing helper
	functions.
	* intrinsics/iso_c_binding.c: Ditto.
	* intrinsics/iso_c_binding.h: New file
	* gfortran.map: Include the __iso_c_binding_c_* functions.
	* libgfortran.h: define GFC_NUM_RANK_BITS.

2007-06-23  Christopher D. Rickett  <crickett@lanl.gov>

	* bind_c_array_params.f03: New files for Fortran 2003 ISO C Binding.
	* bind_c_coms.f90: Ditto.
	* bind_c_coms_driver.c: Ditto.
	* bind_c_dts.f90: Ditto.
	* bind_c_dts_2.f03: Ditto.
	* bind_c_dts_2_driver.c: Ditto.
	* bind_c_dts_3.f03: Ditto.
	* bind_c_dts_4.f03: Ditto.
	* bind_c_dts_driver.c: Ditto.
	* bind_c_implicit_vars.f03: Ditto.
	* bind_c_procs.f03: Ditto.
	* bind_c_usage_2.f03: Ditto.
	* bind_c_usage_3.f03: Ditto.
	* bind_c_usage_5.f03: Ditto.
	* bind_c_usage_6.f03: Ditto.
	* bind_c_usage_7.f03: Ditto.
	* bind_c_vars.f90: Ditto.
	* bind_c_vars_driver.c: Ditto.
	* binding_c_table_15_1.f03: Ditto.
	* binding_label_tests.f03: Ditto.
	* binding_label_tests_10.f03: Ditto.
	* binding_label_tests_10_main.f03: Ditto.
	* binding_label_tests_11.f03: Ditto.
	* binding_label_tests_11_main.f03: Ditto.
	* binding_label_tests_12.f03: Ditto.
	* binding_label_tests_13.f03: Ditto.
	* binding_label_tests_13_main.f03: Ditto.
	* binding_label_tests_14.f03: Ditto.
	* binding_label_tests_2.f03: Ditto.
	* binding_label_tests_3.f03: Ditto.
	* binding_label_tests_4.f03: Ditto.
	* binding_label_tests_5.f03: Ditto.
	* binding_label_tests_6.f03: Ditto.
	* binding_label_tests_7.f03: Ditto.
	* binding_label_tests_8.f03: Ditto.
	* binding_label_tests_9.f03: Ditto.
	* c_assoc.f90: Ditto.
	* c_assoc_2.f03: Ditto.
	* c_f_pointer_shape_test.f90: Ditto.
	* c_f_pointer_tests.f90: Ditto.
	* c_f_tests_driver.c: Ditto.
	* c_funloc_tests.f03: Ditto.
	* c_funloc_tests_2.f03: Ditto.
	* c_funloc_tests_3.f03: Ditto.
	* c_funloc_tests_3_funcs.c: Ditto.
	* c_kind_params.f90: Ditto.
	* c_kind_tests_2.f03: Ditto.
	* c_kinds.c: Ditto.
	* c_loc_driver.c: Ditto.
	* c_loc_test.f90: Ditto.
	* c_loc_tests_2.f03: Ditto.
	* c_loc_tests_2_funcs.c: Ditto.
	* c_loc_tests_3.f03: Ditto.
	* c_loc_tests_4.f03: Ditto.
	* c_loc_tests_5.f03: Ditto.
	* c_loc_tests_6.f03: Ditto.
	* c_loc_tests_7.f03: Ditto.
	* c_loc_tests_8.f03: Ditto.
	* c_ptr_tests.f03: Ditto.
	* c_ptr_tests_10.f03: Ditto.
	* c_ptr_tests_5.f03: Ditto.
	* c_ptr_tests_7.f03: Ditto.
	* c_ptr_tests_7_driver.c: Ditto.
	* c_ptr_tests_8.f03: Ditto.
	* c_ptr_tests_8_funcs.c: Ditto.
	* c_ptr_tests_9.f03: Ditto.
	* c_ptr_tests_driver.c: Ditto.
	* c_size_t_driver.c: Ditto.
	* c_size_t_test.f03: Ditto.
	* com_block_driver.f90: Ditto.
	* global_vars_c_init.f90: Ditto.
	* global_vars_c_init_driver.c: Ditto.
	* global_vars_f90_init.f90: Ditto.
	* global_vars_f90_init_driver.c: Ditto.
	* interop_params.f03: Ditto.
	* iso_c_binding_only.f03: Ditto.
	* iso_c_binding_rename_1.f03: Ditto.
	* iso_c_binding_rename_1_driver.c: Ditto.
	* iso_c_binding_rename_2.f03: Ditto.
	* iso_c_binding_rename_2_driver.c: Ditto.
	* kind_tests_2.f03: Ditto.
	* kind_tests_3.f03: Ditto.
	* module_md5_1.f90: Ditto.
	* only_clause_main.c: Ditto.
	* print_c_kinds.f90: Ditto.
	* test_bind_c_parens.f03: Ditto.
	* test_c_assoc.c: Ditto.
	* test_com_block.f90: Ditto.
	* test_common_binding_labels.f03: Ditto.
	* test_common_binding_labels_2.f03: Ditto.
	* test_common_binding_labels_2_main.f03: Ditto.
	* test_common_binding_labels_3.f03: Ditto.
	* test_common_binding_labels_3_main.f03: Ditto.
	* test_only_clause.f90: Ditto.
	* use_iso_c_binding.f90: Ditto.
	* value_5.f90: Ditto.
	* value_test.f90: Ditto.
	* value_tests_f03.f90: Ditto.

From-SVN: r126185
2007-07-02 02:47:21 +00:00
Tobias Burnus
2eae3dc776 re PR fortran/32460 (structure constructor not allowed if a USEd type has private components)
2007-06-24  Tobias Burnus  <burnus@net-de>

	PR fortran/32460
	* interface.c (gfc_compare_derived_types): Add access check.
	* symbol.c (gfc_find_component): Ditto.
	(gfc_set_component_attr,gfc_get_component_attr) Copy access state.
	* dump-parse-tree.c (gfc_show_components): Dump access state.
	* gfortran.h (struct gfc_component): Add gfc_access.
	* module.c (mio_component): Add access state.
	* (gfc_match_structure_constructor): Check for private access state.

2007-06-24  Tobias Burnus  <burnus@net-de>

	PR fortran/32460
	* gfortran.dg/private_type_6.f90: New.

From-SVN: r125984
2007-06-24 18:19:11 +02:00
Steven G. Kargl
66e4ab3127 decl.c: Miscellaneous whitespace fixes.
* decl.c: Miscellaneous whitespace fixes.
* expr.c: Likewise.
* gfortran.h: Likewise.
* interface.c : Likewise.
* io.c: Likewise.
* match.c: Likewise.
* match.h: Likewise.
* module.c: Likewise.
* parse.c: Likewise.
* resolve.c: Likewise.
* symbol.c: Likewise.
* trans-array.c: Likewise.
* trans-common.c: Likewise.
* trans-decl.c: Likewise.
* trans-intrinsic.c: Likewise.
* trans-io.c: Likewise.
* trans-stmt.c: Likewise.
* trans-types.c: Likewise.

From-SVN: r125533
2007-06-07 11:10:31 -07:00
Paul Thomas
fdecbf8070 re PR fortran/32103 (Module with equivalence draws "unsatisfied reference")
2007-05-31  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/32103
	* module.c (mio_symtree_ref): If an equivalence group member
	is not used, give it a hidden symbol and set the pointer_info.
	(load_equiv): Only free the equivalence if none of the members
	are used.

2007-05-31  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/32103
	* gfortran.dg/module_equivalence_3.f90: New test.

From-SVN: r125216
2007-05-31 07:45:50 +00:00
Janne Blomqvist
c4da1827ac module.c (module_char): Replace fgetc() with getc().
2007-04-25  Janne Blomqvist  <jb@gcc.gnu.org>

	* module.c (module_char): Replace fgetc() with
	getc(). 
	(write_char): Replace fputc() with putc().
	* scanner.c (load_line): Replace fgetc() with getc().
	(gfc_read_orig_filename): Likewise.

From-SVN: r124154
2007-04-25 15:06:26 +03:00
Francois-Xavier Coudert
1e9ecf6da4 re PR fortran/31587 (Module files shouldn't be updated if their content doesn't change)
PR fortran/31587

	* lib/gcc-dg.exp (scan-module): New function.
	* gfortran.dg/module_md5_1.f90: New test.

	* module.c (write_char): Add character to the MD5 buffer.
	(read_md5_from_module_file): New function.
	(gfc_dump_module): Compute MD5 for new module file. Call
	read_md5_from_module_file. Only overwrite old module file
	if the new MD5 is different.

From-SVN: r124126
2007-04-24 21:37:37 +00:00
Jakub Jelinek
3ea04f082b module.c (mio_typespec): Don't look at ts->cl if not BT_CHARACTER.
* module.c (mio_typespec): Don't look at ts->cl if not BT_CHARACTER.

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

From-SVN: r122915
2007-03-14 13:16:24 +01:00
Tobias Burnus
56bedf420f [multiple changes]
2007-07-08  Tobias Burnus  <burnus@net-b.de>

       * module.c (gfc_match_use): Support renaming of operators
       in USE statements.
       * gfortran.texi (Fortran 2003 Status): Document support of
       renaming of operators.

2007-03-08  Tobias Burnus  <burnus@net-b.de>

       * gfortran.dg/use_5.f90: New test.
       * gfortran.dg/use_6.f90: Ditto.
       * gfortran.dg/use_7.f90: Ditto.

From-SVN: r122699
2007-03-08 14:11:54 +01:00
Tobias Burnus
ac497e6a6e re PR fortran/30973 ([4.1, 4.2 only] undetected name conflict: variables may be named like modules)
2007-03-08  Tobias Burnus  <burnus@net-b.de>

	PR fortran/30973
	* module.c (read_module): Always import module name as symbol.
	(gfc_match_use): Disallow module name in the only clause of
	a use statement.

2007-03-08  Tobias Burnus  <burnus@net-b.de>

	PR fortran/30973
	* gfortran.dg/use_4.f90: New test.
	* gfortran.dg/used_dummy_types_7.f90: Correct ambiguous symbol.

From-SVN: r122696
2007-03-08 13:30:58 +01:00
Paul Thomas
e8c30b5f9a [multiple changes]
2007-02-13  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/30554
	* module.c (read_module): Set pointer_info to referenced if the
	symbol has no namespace.

2007-02-12  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/30554
	* gfortran.dg/used_dummy_types_7.f90: New test.

From-SVN: r121865
2007-02-12 23:39:51 +00:00
Paul Thomas
dcdc7b6c9d re PR fortran/30554 ([4.1 only] ICE in mio_pointer_ref at module.c:1945)
2007-02-11  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/30554
	* module.c (find_symtree_for_symbol): New function to return
	a symtree that is not a "unique symtree" given a symbol.
	(read_module): Do not automatically set pointer_info to
	referenced because this inhibits the generation of a unique
	symtree.  Recycle the existing symtree if possible by calling
	find_symtree_for_symbol.

	PR fortran/30319
	* decl.c (add_init_expr_to_sym): Make new charlen for an array
	constructor initializer.

2007-02-11  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/30554
	* gfortran.dg/used_dummy_types_6.f90: Add the "privatized"
	versions of the modules.

	PR fortran/30617
	* gfortran.dg/intrinsic_actual_2.f90: Make this legal fortran
	by getting rid of recursive I/O and providing functions with
	results.

	PR fortran/30319
	* gfortran.dg/char_array_constructor_2.f90

From-SVN: r121824
2007-02-11 20:58:48 +00:00
Paul Thomas
aec78e730e re PR fortran/30554 ([4.1 only] ICE in mio_pointer_ref at module.c:1945)
2007-01-29  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/30554
	* module.c (read_module): If a symbol is excluded by an ONLY
	clause, check to see if there is a symtree already loaded. If
	so, attach the symtree to the pointer_info.

2007-01-29  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/30554
	* gfortran.dg/used_dummy_types_6.f90: New test.

From-SVN: r121281
2007-01-29 10:27:50 +00:00
Steven G. Kargl
edf1eac29e openmp.c, [...]: Next installment in the massive whitespace patch.
* openmp.c, matchexp.c, module.c, scanner.c, resolve.c, st.c,
    parse.c, primary.c, options.c, misc.c, simplify.c:  Next installment
    in the massive whitespace patch.

From-SVN: r121012
2007-01-20 22:01:41 +00:00
Roger Sayle
70fadd09be module.c (mio_array_ref): The dimen_type fields of an array ref are an enumerated type and can't be...
* module.c (mio_array_ref): The dimen_type fields of an array ref
	are an enumerated type and can't be read/written directly with a
	call to mio_integer.  Instead loop over and cast each element.

From-SVN: r121011
2007-01-20 20:19:30 +00:00
Paul Thomas
9dd8004e91 re PR fortran/30476 ([Regression 4.2, 4.3] Via other module imported generic interface rejected)
2007-01-17  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/30476
	* module.c (load_generic_interfaces): Make the marking of the
	symbol as ambiguous conditional on the module names being
	different.
	(write_generic): Ensure that the generic interface has a
	non-NULL module field.

2007-01-17  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/30476
	* gfortran.dg/generic_12.f90: New test.

From-SVN: r120860
2007-01-17 17:33:35 +00:00
Paul Thomas
9914f8cff9 re PR fortran/20896 (ambiguous interface not detected)
2006-12-27  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/20896
	* interface.c (check_sym_interfaces): Try to resolve interface
	reference as a global symbol, if it is not a nodule procedure.
	(compare_actual_formal): Remove call to gfc_find_symbol; if
	the expression is already a variable it is locally declared
	and this has precedence.
	gfortran.h : Add prototype for resolve_global_procedure.
	resolve.c (resolve_global_procedure): Remove static attribute
	from function declaration.
	(resolve_fl_procedure): Remove symtree declaration and the
	redundant check for an ambiguous procedure.

	PR fortran/25135
	* module.c (load_generic_interfaces): If the symbol is present
	and is not generic it is ambiguous.

2006-12-27  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/20896
	* gfortran.dg/interface_10.f90: New test.
	* gfortran.dg/dummy_procedure_1.f90: Add error for call s1(z),
	since z is already, locally a variable.

	PR fortran/25135
	* gfortran.dg/generic_11.f90: New test.
	* gfortran.dg/interface_7.f90: Remove name clash between module
	name and procedure 'x' referenced in the interface.

From-SVN: r120218
2006-12-27 13:46:47 +00:00
Paul Thomas
54129a64cd re PR fortran/25818 ([4.1 only] Problem with handling optional and entry master arguments)
2006-12-22  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/25818
	* trans-array.c (gfc_trans_g77_array): If the variable is
	optional or not always present, make the statement conditional
	on presence of the argument.
	* gfortran.h : Add symbol_attribute not_always_present.
	* resolve.c (check_argument_lists): New function to check if
	arguments are not present in all entries.

	PR fortran/30084
	* module.c (mio_component_ref): Move treatment of unique name
	variables, during output, to fix_mio_expr.
	(fix_mio_expr): New function that fixes defective expressions
	before they are written to the module file.
	(mio_expr): Call the new function.
	(resolve_entries): Call check_argument_lists.

2006-12-22  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/25818
	* gfortran.dg/entry_array_specs_2.f: New test.

	PR fortran/30084
	* gfortran.dg/nested_modules_6.f90: New test.

From-SVN: r120155
2006-12-22 20:49:00 +00:00
Tobias Burnus
ee7e677fdd re PR fortran/23994 (PROTECTED attribute (F2003) is not implemented)
fortran/
2006-12-10  Tobias Burnus  <burnus@net-b.de>

    PR fortran/23994
    * interface.c (compare_actual_formal): PROTECTED is incompatible
with intent(out).
    * symbol.c (check_conflict): Check for PROTECTED conflicts.
      (gfc_add_protected): New function.
      (gfc_copy_attr): Copy PROTECTED attribute.
    * decl.c (match_attr_spec): Add PROTECTED support.
      (gfc_match_protected): New function.
    * dump-parse-tree.c (gfc_show_attr): Add PROTECTED support.
    * gfortran.h (gfc_symbol): Add protected flag.
      Add gfc_add_protected prototype.
    * expr.c (gfc_check_pointer_assign): Add PROTECTED support.
    * module.c (ab_attribute, attr_bits, mio_symbol_attribute,
mio_symbol_attribute):
       Add PROTECTED support.
    * resolve.c (resolve_equivalence): Add PROTECTED support.
    * match.c (gfc_match_assignment,)gfc_match_pointer_assignment:
       Check PROTECTED attribute.
    * match.h: Add gfc_match_protected prototype.
    * parse.c (decode_statement): Match PROTECTED statement.
    * primary.c (match_variable): Add PROTECTED support.

testsuite/
2006-12-10  Tobias Burnus  <burnus@net-b.de>

    PR fortran/23994
    * gfortran.dg/protected_1.f90: New test.
    * gfortran.dg/protected_2.f90: New test.
    * gfortran.dg/protected_3.f90: New test.
    * gfortran.dg/protected_4.f90: New test.
    * gfortran.dg/protected_5.f90: New test.
    * gfortran.dg/protected_6.f90: New test.

From-SVN: r119709
2006-12-10 20:53:07 +01:00
Paul Thomas
993ef28f82 re PR other/29975 ([meta-bugs] ICEs with CP2K)
2006-12-09  Paul Thomas <pault@gcc.gnu.org>

	PR fortran/29975
	PR fortran/30068
	PR fortran/30096
	* interface.c (compare_type_rank_if): Reject invalid generic
	interfaces.
	(check_interface1): Give a warning for nonreferred to ambiguous
	interfaces.
	(check_sym_interfaces): Check whether an ambiguous interface is
	referred to.  Do not check host associated interfaces since these
	cannot be ambiguous with the local versions.
	(check_uop_interface, gfc_check_interfaces): Update call to
	check_interface1.
	* symbol.c (gfc_get_sym_tree, gfc_get_sym_tree): Allow adding
	unambiguous procedures to generic interfaces.
	* gfortran.h (symbol_attribute): Added use_only and
	ambiguous_interfaces.
	* module.c (load_need): Set the use_only flag, if needed.
	* resolve.c (resolve_fl_procedure): Warn for nonreferred
	interfaces.
	* expr.c (find_array_section): Fix initializer array contructor.


2006-12-09  Paul Thomas <pault@gcc.gnu.org>
	    Tobias Burnus <burnus@gcc.gnu.org>

	PR fortran/29975
	PR fortran/30068
	* gfortran.dg/interface_4.f90: Test adding procedure to generic
	interface.
	* gfortran.dg/interface_5.f90: Test warning for not-referenced-to
	ambiguous interfaces.
	* gfortran.dg/interface_6.f90: Test invalid, ambiguous interface.
	* gfortran.dg/interface_7.f90: Test invalid, ambiguous interface.
	* gfortran.dg/interface_8.f90: Test warning for not-referenced-to
	ambiguous interfaces.
	* gfortran.dg/interface_1.f90: Change dg-error into a dg-warning.
	* gfortran.dg/array_initializer_2.f90: Add initializer array
	constructor test.

	PR fortran/30096
	* gfortran.dg/interface_9.f90: Test that host interfaces are
	not checked for ambiguity with the local version.

Co-Authored-By: Tobias Burnus <burnus@gcc.gnu.org>

From-SVN: r119697
2006-12-09 21:13:29 +00:00
Paul Thomas
1027275d2e re PR fortran/29464 ([4.1 only] problem with duplicate USE, ONLY of procedure in INTERFACE)
2006-11-25  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/29464
	* module.c (load_generic_interfaces): Add symbols for all the
	local names of an interface.  Share the interface amongst the
	symbols.
	* gfortran.h : Add generic_copy to symbol_attribute.
	* symbol.c (free_symbol): Only free interface if generic_copy
	is not set.

2006-11-25  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/29464
	* gfortran.dg/module_interface_2.f90: New test.

From-SVN: r119696
2006-12-09 20:52:27 +00:00
Paul Thomas
06469efd1a re PR fortran/29642 (Fortran 2003: VALUE Attribute (call by value not call by reference for actual arguments))
2006-12-03  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/29642
	* trans-expr.c (gfc_conv_variable): A character expression with
	the VALUE attribute needs an address expression; otherwise all
	other expressions with this attribute must not be dereferenced.
	(gfc_conv_function_call): Pass expressions with the VALUE
	attribute by value, using gfc_conv_expr.
	* symbol.c (check_conflict): Add strings for INTENT OUT, INOUT
	and VALUE.  Apply all the constraints associated with the VALUE
	attribute.
	(gfc_add_value): New function.
	(gfc_copy_attr): Call it for VALUE attribute.
	* decl.c (match_attr_spec): Include the VALUE attribute.
	(gfc_match_value): New function.
	* dump-parse-tree.c (gfc_show_attr): Include VALUE.
	* gfortran.h : Add value to the symbol_attribute structure and
	add a prototype for gfc_add_value
	* module.c (mio_internal_string): Include AB_VALUE in enum.
	(attr_bits): Provide the VALUE string for it.
	(mio_symbol_attribute): Read or apply the VLUE attribute.
	* trans-types.c (gfc_sym_type): Variables with the VLAUE
	attribute are not passed by reference!
	* resolve.c (was_declared): Add value to those that return 1.
	(resolve_symbol): Value attribute requires dummy attribute.
	* match.h : Add prototype for gfc_match_public.
	* parse.c (decode_statement): Try to match a VALUE statement.


2006-12-03  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/29642
	* gfortran.dg/value_1.f90 : New test.
	* gfortran.dg/value_2.f90 : New test.
	* gfortran.dg/value_3.f90 : New test.
	* gfortran.dg/value_4.f90 : New test.
	* gfortran.dg/value_4.c : Called from value_4.f90.

From-SVN: r119461
2006-12-03 07:18:22 +00:00
Francois-Xavier Coudert
39f87c0333 module.c (gfc_use_module): Uncomment the ISO_FORTRAN_ENV code.
* module.c (gfc_use_module): Uncomment the ISO_FORTRAN_ENV code.
	Check that intrinsic and non-intrinsic modules don't conflict.
	(use_iso_fortran_env_module): New function.
	(create_int_parameter): New function.
	* trans-types.c (gfc_init_kinds): Choose values for
	gfc_numeric_storage_size and gfc_character_storage_size.
	(gfc_numeric_storage_size, gfc_character_storage_size): New variables.
	* resolve.c (resolve_symbol): Do no check intrinsic modules
	against the list of intrinsic symbols.
	* iso-fortran-env.def: New file.
	* gfortran.h (gfc_numeric_storage_size,
	gfc_character_storage_size): Add prototypes.

	* gfortran.dg/use_3.f90: Remove error message.
	* gfortran.dg/iso_fortran_env_1.f90: New test.
	* gfortran.dg/iso_fortran_env_2.f90: New test.
	* gfortran.dg/iso_fortran_env_3.f90: New test.
	* gfortran.dg/iso_fortran_env_4.f90: New test.

From-SVN: r118998
2006-11-19 21:18:26 +00:00
Francois-Xavier Coudert
31198773e4 gfortran.h (gfc_add_intrinsic_modules_path, [...]): New prototypes.
* gfortran.h (gfc_add_intrinsic_modules_path,
	gfc_open_intrinsic_module): New prototypes.
	(gfc_add_include_path, gfc_open_included_file): Update prototypes.
	* lang.opt: Add -fintrinsic-modules-path option.
	* module.c (gfc_match_use): Match the Fortran 2003 form of
	USE statement.
	(gfc_use_module): Also handle intrinsic modules. 
	* scanner.c (gfc_directorylist): Add use_for_modules for field.
	(intrinsic_modules_dirs): New static variable.
	(add_path_to_list, gfc_add_intrinsic_modules_path): New functions.
	(gfc_add_include_path): Use the new add_path_to_list helper
	function.
	(gfc_release_include_path): Free memory for intrinsic_modules_dirs.
	(open_included_file, gfc_open_intrinsic_module): New functions.
	(gfc_open_included_file): Use the new open_included_file
	helper function.
	* lang-specs.h: Use the new -fintrinsic-modules-path option.
	* parse.c (decode_statement): Do not match the required space
	after USE here.
	* options.c (gfc_handle_option): Handle the new option. Use new
	prototype for gfc_add_include_path.
	(gfc_post_options): Use new prototype for gfc_add_include_path.

	* gfortran.dg/use_1.f90: New test.
	* gfortran.dg/use_1.f90: New test.
	* gfortran.dg/use_1.f90: New test.

From-SVN: r118930
2006-11-17 11:11:25 +00:00
Brooks Moses
e25a0da328 data.c: Remove trailing periods from error messages.
* data.c: Remove trailing periods from error messages.
* decl.c: Likewise.
* expr.c: Likewise.
* io.c: Likewise.
* match.c: Likewise.
* module.c: Likewise.
* options.c: Likewise.
* resolve.c: Likewise.
* symbol.c: Likewise.
* trans-io.c: Likewise.

From-SVN: r118880
2006-11-15 19:05:28 -08:00
Brooks Moses
131ac5dd47 lang.opt (-fmodule-private): Remove option.
* lang.opt (-fmodule-private): Remove option.
* gfortran.h (gfc_option_t): Remove module_access_private flag.
* options.c (gfc_init_options): Remove initialization for it.
(gfc_process_option): Remove handling for -fmodule-private.
* module.c (gfc_check_access): Add comments, remove check for
gfc_option.flag_module_access_private.

(Also fixed tab-damage in preceeding changelog entry.)

From-SVN: r118668
2006-11-10 14:34:26 -08:00
Tobias Burnus
775e6c3a7b re PR fortran/29601 (VOLATILE attribute and statement)
fortran/
2006-11-06  Tobias Burnus  <burnus@net-b.de>

    PR fortran/29601
    * symbol.c (check_conflict, gfc_add_volatile): Add volatile support.
    * decl.c (match_attr_spec, gfc_match_volatile): Add volatile support.
    * gfortran.h (symbol_attribute): Add volatile_ to struct.
    * resolve.c (was_declared): Add volatile support.
    * trans-decl.c (gfc_finish_var_decl): Add volatile support.
    * match.h: Declare gfc_match_volatile.
    * parse.c (decode_statement): Recognize volatile.
    * modules.c (ab_attribute, attr_bits, mio_symbol_attribute):
      Add volatile support.
    * dump-parse-tree.c (gfc_show_attr): Add volatile support.


testsuite/
2006-11-06  Tobias Burnus  <burnus@net-b.de>

    PR fortran/29601
    * gfortran.dg/volatile.f90: Add.
    * gfortran.dg/volatile2.f90: Add.
    * gfortran.dg/volatile3.f90: Add.
    * gfortran.dg/volatile4.f90: Add.
    * gfortran.dg/volatile5.f90: Add.
    * gfortran.dg/volatile6.f90: Add.
    * gfortran.dg/volatile7.f90: Add.

From-SVN: r118545
2006-11-07 14:27:53 +01:00
Paul Thomas
982186b1be re PR fortran/29373 (implicit type declaration and contained function clash)
2006-10-13 Paul Thomas <pault@gcc.gnu.org>

	PR fortran/29373
	* decl.c (get_proc_name, gfc_match_function_decl): Add
	attr.implicit_type to conditions that throw error for
	existing explicit interface and that allow new type-
	spec to be applied.

	PR fortran/29407
	* resolve.c (resolve_fl_namelist): Do not check for
	namelist/procedure conflict, if the symbol corresponds
	to a good local variable declaration.

	PR fortran/27701
	* decl.c (get_proc_name): Replace the detection of a declared
	procedure by the presence of a formal argument list by the
	attributes of the symbol and the presence of an explicit
	interface.

	PR fortran/29232
	* resolve.c (resolve_fl_variable): See if the host association
	of a derived type is blocked by the presence of another type I
	object in the current namespace.

	PR fortran/29364
	* resolve.c (resolve_fl_derived): Check for the presence of
	the derived type for a derived type component.

	PR fortran/24398
	* module.c (gfc_use_module): Check that the first words in a
	module file are 'GFORTRAN module'.

	PR fortran/29422
	* resolve.c (resolve_transfer): Test functions for suitability
	for IO, as well as variables.

	PR fortran/29428
	* trans-expr.c (gfc_trans_scalar_assign): Remove nullify of
	rhs expression.


2006-10-13 Paul Thomas <pault@gcc.gnu.org>

	PR fortran/29373
	* gfortran.dg/implicit_9.f90: New test.

	PR fortran/29407
	* gfortran.dg/namelist_25.f90: New test.

	PR fortran/27701
	* gfortran.dg/same_name_2.f90: New test.

	PR fortran/29232
	* gfortran.dg/host_assoc_types_1.f90: New test.

	PR fortran/29364
	* gfortran.dg/missing_derived_type_1.f90: New test.
	* gfortran.dg/implicit_actual.f90: Comment out USE GLOBAL.

	PR fortran/29422
	* gfortran.dg/alloc_comp_constraint_4.f90: New test.

	PR fortran/29428
	* gfortran.dg/alloc_comp_assign_5.f90: New test.

From-SVN: r117692
2006-10-13 12:51:07 +00:00
Paul Thomas
5046aff56b [multiple changes]
2006-10-05  Erik Edelmann <edelmann@gcc.gnu.org>
	    Paul Thomas <pault@gcc.gnu.org>

	PR fortran/20541
	* interface.c (gfc_compare_derived_types): Add comparison of
	the allocatable field.
	* intrinsic.c (add_subroutines): Add MOVE_ALLOC.
	* trans-expr.c (gfc_conv_aliased_arg, gfc_trans_subarray_assign,
	gfc_trans_subcomponent_assign, gfc_conv_string_parameter,
	gfc_trans_scalar_assign): Add extra arguments l_is_temp
	and r_is_var to references to latter function.
	(gfc_conv_function_call): Add enum for types of argument and
	an associated variable parm_kind. Deallocate components of
	INTENT(OUT) and non-variable arrays.
	(gfc_trans_subcomponent_assign): Add block to assign arrays
	to allocatable components.
	(gfc_trans_scalar_assign): Add block to handle assignments of
	derived types with allocatable components, using the above new
	arguments to control allocation/deallocation of memory and the
	copying of allocated arrays.
	* trans-array.c (gfc_array_allocate): Remove old identification 
	of pointer and replace with that of an allocatable array. Add
	nullify of structures with allocatable components. 
	(gfc_conv_array_initializer): Treat EXPR_NULL.
	(gfc_conv_array_parameter): Deallocate allocatable components
	of non-variable structures.
	(gfc_trans_dealloc_allocated): Use second argument of library
	deallocate to inhibit, without error, freeing NULL pointers.
	(get_full_array_size): New function to return the size of a
	full array.
	(gfc_duplicate_allocatable): New function to allocate and copy
	allocated data.
	(structure_alloc_comps): New recursive function to deallocate,
	nullify or copy allocatable components.
	(gfc_nullify_alloc_comp, gfc_deallocate_alloc_comp,
	gfc_copy_alloc_comp): New interface functions to call previous.
	(gfc_trans_deferred_array): Add the code to nullify allocatable
	components, when entering scope, and to deallocate them on
	leaving. Do not call gfc_trans_static_array_pointer and return
	for structures with allocatable components and default
	initializers.
	* symbol.c (gfc_set_component_attr): Set allocatable field.
	(gfc_get_component_attr): Set the allocatable attribute.
	* intrinsic.h : Prototype for gfc_check_move_alloc.
	* decl.c (build_struct): Apply TR15581 constraints for
	allocatable components.
	(variable_decl): Default initializer is always NULL for
	allocatable components.
	(match_attr_spec): Allow, or not, allocatable components,
	according to the standard in force.
	* trans-array.h : Prototypes for gfc_nullify_alloc_comp,
	gfc_deallocate_alloc_comp, gfc_copy_alloc_comp and
	gfc_duplicate_allocatable.
	* gfortran.texi : Add mention of TR15581 extensions.
	* gfortran.h : Add attribute alloc_comp, add
	gfc_components field allocatable and add the prototype
	for gfc_expr_to_initialize.
	* trans-stmt.c (generate_loop_for_temp_to_lhs,
	generate_loop_for_rhs_to_temp, gfc_trans_where_assign,
	gfc_trans_where_3): Add extra arguments to calls to
	gfc_trans_scalar_assign and set appropriately.
	(gfc_trans_allocate): Nullify allocatable components.
	(gfc_trans_deallocate): Deallocate to ultimate allocatable
	components but stop at ultimate pointer components.
	* module.c (mio_symbol_attribute, mio_symbol_attribute,
	mio_component): Add module support for allocatable
	components.
	* trans-types.c (gfc_get_derived_type): Treat allocatable
	components.
	* trans.h : Add two boolean arguments to
	gfc_trans_scalar_assign.
	* resolve.c (resolve_structure_cons): Check conformance of
	constructor element and the component.
	(resolve_allocate_expr): Add expression to nullify the
	constructor expression for allocatable components.
	(resolve_transfer): Inhibit I/O of derived types with
	allocatable components.
	(resolve_fl_derived): Skip check of bounds of allocatable
	components.
	* trans-decl.c (gfc_get_symbol_decl): Add derived types
	with allocatable components to deferred variable.
	(gfc_trans_deferred_vars): Make calls for derived types
	with allocatable components to gfc_trans_deferred_array.
	(gfc_generate_function_code): Nullify allocatable
	component function result on entry.
	* parse.c (parse_derived): Set symbol attr.allocatable if
	allocatable components are present.
	* check.c (gfc_check_allocated): Enforce attr.allocatable
	for intrinsic arguments.
	(gfc_check_move_alloc): Check arguments of move_alloc.
	* primary.c (gfc_variable_attr): Set allocatable attribute.
	* intrinsic.texi : Add index entry and section for
	for move_alloc.

	PR fortran/29115
	* resolve.c (resolve_structure_cons): It is an error if the
	pointer component elements of a derived type constructor are
	not pointer or target.


	PR fortran/29211
	* trans-stmt.c (generate_loop_for_temp_to_lhs,
	generate_loop_for_rhs_to_temp): Provide a string length for
	the temporary by copying that of the other side of the scalar
	assignment.


2006-10-05  Paul Thomas  <pault@gcc.gnu.org>
	    Erik Edelmann  <edelmann@gcc.gnu.org>

	PR libgfortran/20541
	* Makefile.in : Add move_alloc.
	* intrinsics/move_alloc.c: New function.
	* Makefile.am : Add move_alloc.



2006-10-05  Erik Edelmann  <edelmann@gcc.gnu.org>
	    Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/20541
	* gfortran.dg/alloc_comp_basics_1.f90: New test.
	* gfortran.dg/alloc_comp_basics_2.f90: New test.
	* gfortran.dg/alloc_comp_assign_1.f90: New test.
	* gfortran.dg/alloc_comp_assign_2.f90: New test.
	* gfortran.dg/alloc_comp_assign_3.f90: New test.
	* gfortran.dg/alloc_comp_assign_4.f90: New test.
	* gfortran.dg/alloc_comp_constraint_1.f90: New test.
	* gfortran.dg/alloc_comp_constraint_2.f90: New test.
	* gfortran.dg/alloc_comp_constraint_3.f90: New test.
	* gfortran.dg/alloc_comp_constructor_1.f90: New test.
	* gfortran.dg/alloc_comp_constructor_2.f90: New test.
	* gfortran.dg/alloc_comp_initializer_1.f90: New test.
	* gfortran.dg/alloc_comp_std.f90: New test.
	* gfortran.dg/move_alloc.f90: New test.

	PR fortran/29115
	* gfortran.dg/derived_constructor_comps_2.f90: New test.

	PR fortran/29211
	* gfortran.dg/forall_char_dependencies_1.f90: New test.

From-SVN: r117558
2006-10-08 16:21:55 +00:00