Commit Graph

86 Commits

Author SHA1 Message Date
Francois-Xavier Coudert
ecf24057f8 gfortran.h: Shorten comment.
* gfortran.h: Shorten comment.
	* trans-types.c (gfc_get_function_type): Allow argument to have
	flavor FL_PROGRAM.
	* trans-decl.c (gfc_sym_mangled_function_id): Mangle main program
	name into MAIN__.
	(build_function_decl): Fix comment.
	* parse.c (main_program_symbol): Give the main program its proper
	name, if any. Set its flavor to FL_PROGRAM.
	(gfc_parse_file): Likewise.

From-SVN: r129869
2007-11-03 14:51:51 +00:00
Paul Thomas
182393f4f7 re PR fortran/33897 (Incorrect host association in module)
2007-10-31  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/33897
        * decl.c (gfc_match_entry): Do not make ENTRY name
        global for contained procedures.
        * parse.c (gfc_fixup_sibling_symbols): Fix code for
        determining whether a procedure is external.

2007-10-31  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/33897
        * gfortran.dg/contained_3.f90: New.

From-SVN: r129795
2007-10-31 10:59:16 +01:00
Francois-Xavier Coudert
ca39e6f200 gfortran.h (gfc_get_data_variable, [...]): Move to decl.c.
* gfortran.h (gfc_get_data_variable, gfc_get_data_value,
	gfc_get_data): Move to decl.c.
	(global_used): Rename into gfc_global_used.
	(gfc_formalize_init_value, gfc_get_section_index,
	gfc_assign_data_value, gfc_assign_data_value_range,
	gfc_advance_section): Move to data.h.
	(gfc_set_in_match_data): Remove.
	* decl.c (gfc_get_data_variable, gfc_get_data_value,
	gfc_get_data): Move here.
	(gfc_set_in_match_data): Rename into set_in_match_data.
	(gfc_match_data): Likewise.
	(add_global_entry): Rename global_used into gfc_global_used.
	* data.c: Include data.h.
	* trans.h (gfc_todo_error): Remove.
	* trans-array.c (gfc_trans_array_constructor,
	gfc_conv_ss_startstride, gfc_conv_loop_setup): Change
	gfc_todo_error into assertions.
	* resolve.c (resolve_global_procedure): Rename global_used into
	gfc_global_used.
	* parse.c (gfc_global_used, parse_module, add_global_procedure,
	add_global_program): Likewise.
	* trans-intrinsic.c (gfc_walk_intrinsic_function): Rename
	global_used into gfc_global_used.
	* Make-lang.in: Add dependencies on fortran/data.h.
	* data.h: New file.

From-SVN: r129034
2007-10-05 12:33:07 +00:00
Francois-Xavier Coudert
9e8a672069 re PR fortran/33502 (gfortran with .F suffix and -g3 option chokes on preprocessor syntax)
PR fortran/33502
	* scanner.c (gfc_advance_line): Call debug_hooks->end_source_file
	and debug_hooks->start_source_file when appropriate, and set
	dbg_emitted.
	(gfc_define_undef_line): New function.
	(load_file): Don't error out on #define and #undef lines.
	* parse.c (next_statement): Call gfc_define_undef_line.
	(gfc_parse_file): Call debug_hooks->start_source_file and
	debug_hooks->end_source_file for the main source file if
	required.
	* gfortran.h (gfc_linebuf): Add dbg_emitted field.
	(gfc_define_undef_line): New prototype.

From-SVN: r129011
2007-10-04 15:04:09 +00:00
Paul Thomas
e2d299684b re PR fortran/31154 (IMPORT fails for "<imported symbol> FUNCTION (...)" kind of procedures)
2007-10-02  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/31154
	PR fortran/31229
	PR fortran/33334
	* decl.c : Declare gfc_function_kind_locs and
	gfc_function_type_locus.
	(gfc_match_kind_spec): Add second argument kind_expr_only.
	Store locus before trying to match the expression. If the
	current state corresponds to a function declaration and there
	is no match to the expression, read to the parenthesis, return
	kind = -1, dump the expression and return.
	(gfc_match_type_spec): Renamed from match_type_spec and all
	references changed.  If an interface or an external function,
	store the locus, set kind = -1 and return.  Otherwise, if kind
	is already = -1, use gfc_find_symbol to try to find a use
	associated or imported type.
	match.h : Prototype for gfc_match_type_spec.
	* parse.c (match_deferred_characteristics): New function.
	(parse_spec): If in a function, statement is USE or IMPORT
	or DERIVED_DECL and the function kind=-1, call
	match_deferred_characteristics.  If kind=-1 at the end of the
	specification expressions, this is an error.
	* parse.h : Declare external gfc_function_kind_locs and
	gfc_function_type_locus.

2007-10-02  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/31154
	PR fortran/31229
	PR fortran/33334
	* gfortran.dg/function_kinds_1.f90: New test.
	* gfortran.dg/function_kinds_2.f90: New test.
	* gfortran.dg/derived_function_interface_1.f90: Correct illegal
	use association into interfaces.

From-SVN: r128948
2007-10-02 07:17:01 +00:00
Francois-Xavier Coudert
7b7bdf67e0 re PR fortran/33538 (bootstrap break in fortran on *-apple-darwin r128671)
PR fortran/33538
	* scanner.c, parse.c, gfortran.h: Revert revision 128671.

From-SVN: r128724
2007-09-24 20:24:11 +00:00
Francois-Xavier Coudert
a3b2d4e56c re PR fortran/33502 (gfortran with .F suffix and -g3 option chokes on preprocessor syntax)
PR fortran/33502
	* scanner.c (gfc_advance_line): Call debug_hooks->start_source_file
	and debug_hooks->end_source_file when entering and exiting
	included files.
	(gfc_define_undef_line): New function.
	(load_file): Ignore #define and #undef preprocessor lines
	while reading source files.
	* parse.c (next_statement): Handle #define and #undef
	preprocessor lines.
	(gfc_parse_file): Call debug_hooks->start_source_file and
	debug_hooks->end_source_file for the main source file if
	requested by the debug format.
	* gfortran.h (gfc_define_undef_line): Add prototype.

From-SVN: r128671
2007-09-22 15:03:24 +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
Janus Weil
6977374226 decl.c (match_procedure_decl,match_procedure_in_interface, [...]): Handle PROCEDURE statements.
2007-09-04  Janus Weil  <jaydub66@gmail.com>
	    Paul Thomas  <pault@gcc.gnu.org>

	* decl.c (match_procedure_decl,match_procedure_in_interface,
	gfc_match_procedure): Handle PROCEDURE statements.
	* gfortran.h (struct gfc_symbol): New member "gfc_symbol *interface".
	(enum gfc_statement): New element "ST_PROCEDURE".
	(strcut symbol_attribute): New member "unsigned procedure".
	* interface.c (check_interface0): Extended error checking.
	* match.h: Add gfc_match_procedure prototype.
	* parse.c (decode_statement,next_statement,gfc_ascii_statement,
	parse_derived,parse_interface): Implement PROCEDURE statements.
	* resolve.c (resolve_symbol): Ditto.
	* symbol.c (check_conflict): Ditto.
	(gfc_add_proc): New function for setting the procedure attribute.
	(copy_formal_args): New function for copying formal argument lists.


2007-09-04  Janus Weil  <jaydub66@gmail.com>
	    Tobias Burnus  <burnus@net-b.de>

	* gfortran.dg/proc_decl_1.f90: New.
	* gfortran.dg/proc_decl_2.f90: New.
	* gfortran.dg/proc_decl_3.f90: New.
	* gfortran.dg/proc_decl_4.f90: New.


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

From-SVN: r128081
2007-09-04 15:50:35 +02:00
Kaveh R. Ghazi
b1d5455a5e system.h (CONST_CAST2, [...]): New macros for type-specific casts.
* system.h (CONST_CAST2, CONST_CAST_TREE, CONST_CAST_RTX,
	CONST_CAST_BB): New macros for type-specific casts.
	(CONST_CAST): Add a TYPE parameter and define it in terms of
	CONST_CAST2.

	* c-decl.c (c_make_fname_decl): Supply a TYPE for CONST_CAST.
	* c-lex.c (cb_ident, lex_string): Likewise,
	* c-typeck.c (free_all_tagged_tu_seen_up_to): Likewise,
	* config/i386/i386.c (ix86_function_regparm,
	ix86_function_sseregparm): Use CONST_CAST_TREE.
	* config/mmix/mmix.c (mmix_encode_section_info): Supply a TYPE for
	CONST_CAST.
	* gcc.c (set_spec, read_specs, for_each_path, execute, do_spec_1,
	give_switch, set_multilib_dir): Likewise,
	* gengtype-parse.c (string_seq, typedef_name): Likewise,
	* gimple-low.c (block_may_fallthru): Use CONST_CAST_TREE.
	* jump.c (reversed_comparison_code_parts): Use CONST_CAST_RTX.
	* passes.c (execute_one_pass): Supply a TYPE for CONST_CAST.
	* prefix.c (update_path): Likewise,
	* pretty-print.c (pp_base_destroy_prefix): Likewise,
	* rtlanal.c (keep_with_call_p): Use CONST_CAST_RTX.
	* tree-cfg.c (tree_can_merge_blocks_p,
	tree_block_ends_with_condjump_p): Use CONST_CAST_BB.
	* tree-eh.c (lookup_stmt_eh_region_fn): USe CONST_CAST_TREE.
	* tree.c (build_string): Supply a TYPE for CONST_CAST.
	(attribute_list_contained): Use CONST_CAST_TREE.

cp:
	* call.c (name_as_c_string): Supply a TYPE for CONST_CAST.
	* decl.c (cp_make_fname_decl): Likewise,
	* parser.c (cp_parser_string_literal): Likewise,
	* tree.c (pod_type_p, zero_init_p): Use CONST_CAST_TREE.
	* typeck.c (cp_type_quals, cp_type_readonly, cp_has_mutable_p):
	Likewise,

fortran:
	* gfortranspec.c (lang_specific_driver): Use CONST_CAST2.
	* options.c (gfc_post_options): Supply a TYPE for CONST_CAST.
	* parse.c (parse_omp_structured_block): Likewise,
	* st.c (gfc_free_statement): Likewise,

java:
	* jcf-parse.c (read_class, java_parse_file): Supply a TYPE for
	CONST_CAST.
	* jcf.h (JCF_FINISH): Likewise.

From-SVN: r128051
2007-09-03 17:09:20 +00:00
Tobias Burnus
c5b9117eca re PR fortran/33188 (Fortran 2003: Type declarations without componends)
2007-08-26  Tobias Burnus  <burnus@net-b.de>

	PR fortran/33188
	* parse.c (parse_derived): Support empty derived type
	definitions for Fortran 2003.

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

	PR fortran/33188
	* gfortran.dg/used_types_18.f90: New.

From-SVN: r127808
2007-08-26 19:59:34 +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
Kaveh R. Ghazi
68a57691dc system.h (CONST_CAST): New.
* system.h (CONST_CAST): New.
	* c-decl.c (c_make_fname_decl): Use it.
	* c-lex.c (cb_ident, lex_string): Likewise.
	* c-typeck.c (free_all_tagged_tu_seen_up_to): Likewise.
	* gcc.c (set_spec, read_specs, for_each_path, execute, do_spec_1,
	give_switch, set_multilib_dir): Likewise.
	* gengtype-parse.c (string_seq, typedef_name): Likewise.
	* passes.c (execute_one_pass): Likewise.
	* prefix.c (update_path): Likewise.
	* pretty-print.c (pp_base_destroy_prefix): Likewise.
	* tree.c (build_string): Likewise.

cp:
	* call.c (name_as_c_string): Use CONST_CAST.
	* decl.c (build_decl): Likewise.
	* parser.c (cp_parser_string_literal): Likewise.

fortran:
	* gfortranspec.c (lang_specific_driver): Use CONST_CAST.
	* options.c (gfc_post_options): Likewise.
	* parse.c (parse_omp_structured_block): Likewise.
	* st.c (gfc_free_statement): Likewise.

java:
	* jcf-parse.c (read_class, java_parse_file): Use CONST_CAST.
	* jcf.h (JCF_FINISH): Likewise.

From-SVN: r127344
2007-08-10 17:53:58 +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
Daniel Franke
eec14ce5ec re PR fortran/32710 (ICE: namelist and subroutine with the same name)
gcc/fortran:
2007-07-22  Daniel Franke  <franke.daniel@gmail.com>

	PR fortran/32710
	* parse.c (gfc_fixup_sibling_symbols): No replacement of symbols if
	the current is a namelist.

gcc/testsuite:
2007-07-22  Daniel Franke  <franke.daniel@gmail.com>

	PR fortran/32710
	* gfortran.dg/namelist_30.f90: New test.

From-SVN: r126828
2007-07-22 12:37:12 -04:00
Daniel Franke
dec9e22db1 re PR fortran/32724 (ICE on statement function in specification part of module)
gcc/fortran:
2007-07-14  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/32724
        * parse.c (parse_spec): Emit error on unexpected statement
        function.

gcc/testsuite:
2007-07-14  Daniel Franke  <franke.daniel@gmail.com>

        PR fortran/32724
        * gfortran.dg/stfunc_5.f90: New test.

From-SVN: r126638
2007-07-14 09:33:51 -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
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
Jerry DeLisle
de8936774a re PR fortran/18923 (segfault after subroutine name confusion)
2007-06-05  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/18923
	* parse.c (decode_statement): Don't call gfc_undo_symbols on MATCH_ERROR
	for ST_FUNCTION since it is called in reject_statement.
	(parse_contained): If error, loop back after reject_statement and try
	again.  Free the namespace if an error occured.

From-SVN: r125342
2007-06-05 20:23:44 +00:00
Jerry DeLisle
b16cc039c4 re PR fortran/31812 (Better message than "syntax error" when truncating long lines)
2007-05-27  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/31812
	* parse.c (next_statement): Warn for truncated lines if source is free
	form.

From-SVN: r125119
2007-05-27 22:42:54 +00:00
Paul Thomas
e9bd9f7d5d re PR fortran/31293 (Implicit character and array returning functions)
2007-04-07  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/31293
	* symbol.c (gfc_check_function_type): New function.
	* gfortran.h : Add prototype for previous.
	* parse.c (parse_progunit): Call it after parsing specification
	statements.

2007-04-07  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/31293
	* gfortran.dg/interface_12.f90: New test.

From-SVN: r123641
2007-04-07 20:13:52 +00:00
Paul Thomas
f68abf4a59 re PR fortran/30883 ([4.1/4.2 only] procedure with dummy procedure f1 rejected with implicit none)
2007-03-11  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/30883
	* parse.c (parse_interface): Use the default types from the
	formal namespace if a function or its result do not have a type
	after parsing the specification statements.

2007-03-11  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/30883
	* gfortran.dg/interface_11.f90: New test.

From-SVN: r122822
2007-03-11 16:17:32 +00:00
Jakub Jelinek
7efeea5e7c [multiple changes]
2007-02-21  Bernhard Fischer  <aldot@gcc.gnu.org>

	* parse.c (next_free): Gooble spaces after OpenMP sentinel.

2007-02-21  Jakub Jelinek  <jakub@redhat.com>

	* gfortran.dg/gomp/omp_parse1.f90: New test.
	* gfortran.dg/gomp/omp_parse2.f: New test.

From-SVN: r122190
2007-02-21 09:36:18 +01:00
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
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
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
Paul Thomas
536afc35bc re PR fortran/20880 (USE association of procedure's own interface)
2006-11-24  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/20880
	* parse.c (parse_interface): Error if procedure name is that of
	encompassing scope.
	* resolve.c (resolve_fl_procedure): Error if procedure is
	ambiguous.

	PR fortran/29387
	* interface.c (compare_actual_formal): Add missing condition
	that 'where' be present for error that asserts that actual
	arguments be definable.

2006-11-24  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/20880
	* gfortran.dg/interface_3.f90: New test.

	PR fortran/29387
	* gfortran.dg/generic_8.f90: New test.

From-SVN: r119173
2006-11-24 22:22:40 +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
Tobias Burnus
ab25c2d920 parse.c (parse_contained): Fix indention of one line.
2006-11-15  Tobias Burnus  <burnus@net-b.de>

       * parse.c (parse_contained): Fix indention
         of one line.

From-SVN: r118858
2006-11-15 17:16:19 +01:00
Tobias Burnus
8998be2031 re PR fortran/27546 (IMPORT is broken)
fortran/
2006-11-15  Tobias Burnus  <burnus@net-b.de>

       PR fortran/27546
       * decl.c (gfc_match_import,variable_decl):
         Add IMPORT support.
         (gfc_match_kind_spec): Fix typo in gfc_error.
       * gfortran.h (gfc_namespace, gfc_statement):
         Add IMPORT support.
       * parse.c (decode_statement,gfc_ascii_statement,
         verify_st_order): Add IMPORT support.
       * match.h: Add gfc_match_import.
       * gfortran.texi: Add IMPORT to the supported
         Fortran 2003 features.

testsuite/
 2006-11-15  Tobias Burnus  <burnus@net-b.de>

       PR fortran/27546
       * gfortran.dg/import.f90: New test.
       * gfortran.dg/import2.f90: New test.
       * gfortran.dg/import3.f90: New test.

From-SVN: r118857
2006-11-15 16:46:42 +01:00
Tobias Burnus
8c894ae273 re PR fortran/29806 (Error if CONTAINS is present without SUBPROGRAM)
fortran/
2006-11-15  Tobias Burnus  <burnus@net-b.de>

       PR fortran/29806
       * parse.c (parse_contained): Check for empty contains statement.

testsuite/
2006-11-15  Tobias Burnus  <burnus@net-b.de>

       PR fortran/29806
       * gfortran.dg/contains.f90: New test.
       * gfortran.dg/derived_function_interface_1.f90: Add a dg-warning.

From-SVN: r118851
2006-11-15 11:02:21 +01:00
Brooks Moses
4887aa7174 lang.opt: Remove -fno-backend option.
* lang.opt: Remove -fno-backend option.
* gfortran.h (gfc_option_t): Remove flag_no_backend.
* options.c (gfc_init_options): Remove flag_no_backend.
(gfc_handle_option): Remove -fno-backend option handler.
* parse.c (gfc_parse_file): Remove references to
gfc_option.flag_no_backend.

From-SVN: r118841
2006-11-14 19:49:21 -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
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
Paul Thomas
8c086c9c6e re PR fortran/28885 (ICE passing components of array of derived type)
2006-08-30  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/28885
	REGRESSION FIX
	* trans-expr.c (gfc_conv_aliased_arg): Ensure that the temp
	declaration is retained for INTENT(OUT) arguments.

	PR fortran/28873
	REGRESSION FIX
	PR fortran/20067
	* resolve.c (resolve_generic_f): Make error message more
	comprehensible.
	(resolve_generic_s): Restructure search for specific procedures
	to be similar to resolve_generic_f and change to similar error
	message.  Ensure that symbol reference is refreshed, in case
	the search produces a NULL.
	(resolve_specific_s): Restructure search, as above and as
	resolve_specific_f. Ensure that symbol reference is refreshed,
	in case the search produces a NULL.

	PR fortran/25077
	PR fortran/25102
	* interface.c (check_operator_interface): Throw error if the
	interface assignment tries to change intrinsic type assigments
	or has less than two arguments.  Also, it is an error if an
	interface operator contains an alternate return.

	PR fortran/24866
	* parse.c (gfc_fixup_sibling_symbols): Do not modify the symbol
	if it is a dummy in the contained namespace.


2006-08-30  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/28885
	* gfortran.dg/aliasing_dummy_2.f90: New test.

	PR fortran/20067
	* gfortran.dg/generic_5.f90: Change error message.

	PR fortran/28873
	* gfortran.dg/generic_6.f90: New test.

	PR fortran/25077
	* gfortran.dg/redefined_intrinsic_assignment.f90: New test.

	PR fortran/25102
	* gfortran.dg/invalid_interface_assignment.f90: New test.

	PR fortran/24866
	* gfortran.dg/module_proc_external_dummy.f90: New test.

From-SVN: r116578
2006-08-30 05:18:36 +00:00
Paul Thomas
f970c857c9 re PR fortran/28590 (A SEQUENCEd defined type which refers to another defined type generates a spurious complaint about the lack of SEQUENCE attribute in the latter)
2006-08-06  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/28590
	* parse.c (parse_derived): Remove the test for sequence type
	components of a sequence type.
	* resolve.c (resolve_fl_derived): Put the test here so that
	pointer components are tested.

2006-08-06  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/28590
	* gfortran.dg/sequence_types_1.f90: New test.

From-SVN: r115966
2006-08-06 04:58:04 +00:00
Tobias Schlüter
31c5eee102 re PR fortran/19259 (";" as first nonblank character on a line should be an error)
2006-07-01  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

fortran/
PR fortran/19259
* parse.c (next_free): Error out on line starting with semicolon.
(next_fixed): Fix formatting.  Error out on line starting with
semicolon.
testsuite/
PR fortran/19259
* gfortran.dg/semicolon_fixed.c: New.
* gfortran.dg/semicolon_free.c: New.

From-SVN: r115115
2006-07-01 17:03:30 +02:00
Paul Thomas
6690a9e079 re PR fortran/14067 (no warning when character data statement overflows declared size)
2006-06-05  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/14067
	* data.c (create_character_intializer): Add warning message
	for truncated string.

	PR fortran/16943
	* symbol.c : Include flags.h.
	(gfc_add_type): If a procedure and types are the same do not
	throw an error unless standard is less than gnu or pedantic.

	PR fortran/20838
	* parse.c (parse_do_block): Error if named block do construct
	does not have a named enddo.

	PR fortran/27655
	* check.c (gfc_check_associated): Pick up EXPR_NULL for pointer
	as well as target and put error return at end of function.

2006-06-05  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/14067
	* gfortran.dg/data_char_1.f90: Add messages for truncated
	strings.

	PR fortran/16943
	* gfortran.dg/func_decl_2.f90: New test.

	PR fortran/20838
	* gfortran.dg/do_2.f90: New test.

	PR fortran/27655
	* gfortran.dg/associated_3.f90: New test.

From-SVN: r114385
2006-06-05 07:45:03 +00:00
Francois-Xavier Coudert
e983d070ff re PR fortran/27553 ([4.1 only] Testsuite ICE with -Wunused-labels)
PR fortran/27553
	* parse.c (next_free): Return instead of calling decode_statement
	upon error.
	* gfortran.dg/label_5.f90: New test.

From-SVN: r113712
2006-05-11 21:37:10 +00:00
Francois-Xavier Coudert
8e785b78e8 re PR fortran/24549 ([4.1 only] ICE with invalid pseudo-declaration statement)
PR fortran/24549
	* parse.c (reject_statement): Clear gfc_new_block.
	* gfortran.dg/error_recovery_1.f90: New test.

From-SVN: r113671
2006-05-10 14:51:26 +00:00
Steven Bosscher
31909d9ff8 re PR fortran/27378 ([4.1 only] ICE on unexpected ELSE statement)
PR fortran/27378
	* parse.c (next_statement): Add check to avoid an ICE when
	gfc_current_locus.lb is not set.

From-SVN: r113603
2006-05-07 16:33:30 +00:00
Bernhard Fischer
9b3e4c45ad parse.c (next_free): Use consistent error string between free-form and fixed-form for illegal...
fortran/

	* parse.c (next_free): Use consistent error string between
	free-form and fixed-form for illegal statement label of zero.
	(next_fixed): Use consistent warning string between free-form
	and fixed-form for statement labels for empty statements.

testsuite/

	* gfortran.dg/label_1.f90: Adjust dg-error.

From-SVN: r113053
2006-04-18 19:58:41 +02:00
Jakub Jelinek
6b9ac6fcad re PR fortran/26224 (ICE in C$OMP SINGLE / END SINGLE COPYPRIVATE( ) block)
PR fortran/26224
	* parse.c (parse_omp_do, parse_omp_structured_block): Call
	gfc_commit_symbols and gfc_warning_check.

	* gfortran.dg/gomp/pr26224.f: New test.

From-SVN: r111153
2006-02-16 22:35:38 +01:00
Jakub Jelinek
6c7a4dfdb6 re PR fortran/25162 (Issue with OpenMP COPYIN and gfortran)
gcc/fortran/
2006-02-14  Jakub Jelinek  <jakub@redhat.com>
	    Richard Henderson  <rth@redhat.com>
	    Diego Novillo  <dnovillo@redhat.com>

	* invoke.texi: Document -fopenmp.
	* gfortran.texi (Extensions): Document OpenMP.

	Backport from gomp-20050608-branch
	* trans-openmp.c: Call build_omp_clause instead of
	make_node when creating OMP_CLAUSE_* trees.
	(gfc_trans_omp_reduction_list): Remove argument 'code'.
	Adjust all callers.

	* trans.h (build4_v): Define.
	* trans-openmp.c: Call build4_v to create OMP_PARALLEL nodes.
	Call build3_v to create OMP_SECTIONS nodes.

	PR fortran/25162
	* openmp.c (gfc_match_omp_variable_list): Call gfc_set_sym_referenced
	on all symbols added to the variable list.

	* openmp.c (gfc_match_omp_clauses): Fix check for non-INTRINSIC
	procedure symbol in REDUCTION.

	* trans-openmp.c (gfc_trans_omp_array_reduction): Use gfc_add
	for MINUS_EXPR OMP_CLAUSE_REDUCTION_CODE.

	* trans-openmp.c (gfc_trans_omp_do): Add PBLOCK argument.  If PBLOCK
	is non-NULL, evaluate INIT/COND/INCR and chunk size expressions in
	that statement block.
	(gfc_trans_omp_parallel_do): Pass non-NULL PBLOCK to gfc_trans_omp_do
	for non-ordered non-static combined loops.
	(gfc_trans_omp_directive): Pass NULL PBLOCK to gfc_trans_omp_do.

	* openmp.c: Include target.h and toplev.h.
	(gfc_match_omp_threadprivate): Emit diagnostic if target does
	not support TLS.
	* Make-lang.in (fortran/openmp.o): Add dependencies on
	target.h and toplev.h.

	* trans-decl.c (gfc_get_fake_result_decl): Set GFC_DECL_RESULT.
	* trans-openmp.c (gfc_omp_privatize_by_reference): Make
	DECL_ARTIFICIAL vars predetermined shared except GFC_DECL_RESULT.
	(gfc_omp_disregard_value_expr): Handle GFC_DECL_RESULT.
	(gfc_trans_omp_variable): New function.
	(gfc_trans_omp_variable_list, gfc_trans_omp_reduction_list): Use it.
	* trans.h (GFC_DECL_RESULT): Define.

	* trans-openmp.c (gfc_omp_firstprivatize_type_sizes): New function.
	* f95-lang.c (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
	* trans.h (gfc_omp_firstprivatize_type_sizes): New prototype.

	* trans-openmp.c (gfc_omp_privatize_by_reference): Return
	true if a pointer has GFC_DECL_SAVED_DESCRIPTOR set.
	(gfc_trans_omp_array_reduction, gfc_trans_omp_reduction_list): New
	functions.
	(gfc_trans_omp_clauses): Add WHERE argument.  Call
	gfc_trans_omp_reduction_list rather than gfc_trans_omp_variable_list
	for reductions.
	(gfc_trans_omp_do, gfc_trans_omp_parallel, gfc_trans_omp_parallel_do,
	gfc_trans_omp_parallel_sections, gfc_trans_omp_parallel_workshare,
	gfc_trans_omp_sections, gfc_trans_omp_single): Adjust
	gfc_trans_omp_clauses callers.

	* openmp.c (omp_current_do_code): New var.
	(gfc_resolve_omp_do_blocks): New function.
	(gfc_resolve_omp_parallel_blocks): Call it.
	(gfc_resolve_do_iterator): Add CODE argument.  Don't propagate
	predetermination if argument is !$omp do or !$omp parallel do
	iteration variable.
	* resolve.c (resolve_code): Call gfc_resolve_omp_do_blocks
	for EXEC_OMP_DO.  Adjust gfc_resolve_do_iterator caller.
	* fortran.h (gfc_resolve_omp_do_blocks): New prototype.
	(gfc_resolve_do_iterator): Add CODE argument.

	* trans.h (gfc_omp_predetermined_sharing,
	gfc_omp_disregard_value_expr, gfc_omp_private_debug_clause): New
	prototypes.
	(GFC_DECL_COMMON_OR_EQUIV, GFC_DECL_CRAY_POINTEE): Define.
	* trans-openmp.c (gfc_omp_predetermined_sharing,
	gfc_omp_disregard_value_expr, gfc_omp_private_debug_clause): New
	functions.
	* trans-common.c (build_equiv_decl, build_common_decl,
	create_common): Set GFC_DECL_COMMON_OR_EQUIV flag on the decls.
	* trans-decl.c (gfc_finish_cray_pointee): Set GFC_DECL_CRAY_POINTEE
	on the decl.
	* f95-lang.c (LANG_HOOKS_OMP_PREDETERMINED_SHARING,
	LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
	LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE): Define.

	* openmp.c (resolve_omp_clauses): Remove extraneous comma.

	* symbol.c (check_conflict): Add conflict between cray_pointee and
	threadprivate.
	* openmp.c (gfc_match_omp_threadprivate): Fail if
	gfc_add_threadprivate returned FAILURE.
	(resolve_omp_clauses): Diagnose Cray pointees in SHARED,
	{,FIRST,LAST}PRIVATE and REDUCTION clauses and Cray pointers in
	{FIRST,LAST}PRIVATE and REDUCTION clauses.

	* resolve.c (omp_workshare_flag): New variable.
	(resolve_function): Diagnose use of non-ELEMENTAL user defined
	function in WORKSHARE construct.
	(resolve_code): Cleanup forall_save use.  Make sure omp_workshare_flag
	is set to correct value in different contexts.

	* openmp.c (resolve_omp_clauses): Replace %s with '%s' when printing
	variable name.
	(resolve_omp_atomic): Likewise.

	PR fortran/24493
	* scanner.c (skip_free_comments): Set at_bol at the beginning of the
	loop, not before it.
	(skip_fixed_comments): Handle ! comments in the middle of line here
	as well.
	(gfc_skip_comments): Use skip_fixed_comments for FIXED_FORM even if
	not at BOL.
	(gfc_next_char_literal): Fix expected canonicalized *$omp string.

	* trans-openmp.c (gfc_trans_omp_do): Use make_node and explicit
	initialization to build OMP_FOR instead of build.

	* trans-decl.c (gfc_gimplify_function): Invoke
	diagnose_omp_structured_block_errors.

	* trans-openmp.c (gfc_trans_omp_master): Use OMP_MASTER.
	(gfc_trans_omp_ordered): Use OMP_ORDERED.

	* gfortran.h (gfc_resolve_do_iterator, gfc_resolve_blocks,
	gfc_resolve_omp_parallel_blocks): New prototypes.
	* resolve.c (resolve_blocks): Renamed to...
	(gfc_resolve_blocks): ... this.  Remove static.
	(gfc_resolve_forall): Adjust caller.
	(resolve_code): Only call gfc_resolve_blocks if code->block != 0
	and not for EXEC_OMP_PARALLEL* directives.  Call
	gfc_resolve_omp_parallel_blocks for EXEC_OMP_PARALLEL* directives.
	Call gfc_resolve_do_iterator if resolved successfully EXEC_DO
	iterator.
	* openmp.c: Include pointer-set.h.
	(omp_current_ctx): New variable.
	(gfc_resolve_omp_parallel_blocks, gfc_resolve_do_iterator): New
	functions.
	* Make-lang.in (fortran/openmp.o): Depend on pointer-set.h.

	* openmp.c (gfc_match_omp_clauses): For max/min/iand/ior/ieor,
	look up symbol if it exists, use its name instead and, if it is not
	INTRINSIC, issue diagnostics.

	* parse.c (parse_omp_do): Handle implied end do properly.
	(parse_executable): If parse_omp_do returned ST_IMPLIED_ENDDO,
	return it instead of continuing.

	* trans-openmp.c (gfc_trans_omp_critical): Update for changed
	operand numbering.
	(gfc_trans_omp_do, gfc_trans_omp_parallel, gfc_trans_omp_parallel_do,
	gfc_trans_omp_parallel_sections, gfc_trans_omp_parallel_workshare,
	gfc_trans_omp_sections, gfc_trans_omp_single): Likewise.

	* trans.h (gfc_omp_privatize_by_reference): New prototype.
	* f95-lang.c (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE): Redefine
	to gfc_omp_privatize_by_reference.
	* trans-openmp.c (gfc_omp_privatize_by_reference): New function.

	* trans-stmt.h (gfc_trans_omp_directive): Add comment.

	* openmp.c (gfc_match_omp_variable_list): Add ALLOW_COMMON argument.
	Disallow COMMON matching if it is set.
	(gfc_match_omp_clauses, gfc_match_omp_flush): Adjust all callers.
	(resolve_omp_clauses): Show locus in error messages.  Check that
	variable types in reduction clauses are appropriate for reduction
	operators.

	* resolve.c (resolve_symbol): Don't error if a threadprivate module
	variable isn't SAVEd.

	* trans-openmp.c (gfc_trans_omp_do): Put count into BLOCK, not BODY.
	Fix typo in condition.  Fix DOVAR initialization.

	* openmp.c (gfc_match_omp_clauses): Match min/iand/ior/ieor
	rather than .min. etc.

	* trans-openmpc.c (omp_not_yet): Remove.
	(gfc_trans_omp_parallel_do): Keep listprivate clause on parallel.
	Force creation of BIND_EXPR around the workshare construct.
	(gfc_trans_omp_parallel_sections): Likewise.
	(gfc_trans_omp_parallel_workshare): Likewise.

	* types.def (BT_I16, BT_FN_I16_VPTR_I16,
	BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.

	* trans-openmp.c (gfc_trans_omp_clauses): Create OMP_CLAUSE_DEFAULT.
	(gfc_trans_omp_code): New function.
	(gfc_trans_omp_do): Use it, remove omp_not_yet uses.
	(gfc_trans_omp_parallel, gfc_trans_omp_single): Likewise.
	(gfc_trans_omp_sections): Likewise.  Only treat empty last section
	specially if lastprivate clause is present.
	* f95-lang.c (gfc_init_builtin_functions): Create BUILT_IN_TRAP
	builtin.

	* trans-openmp.c (gfc_trans_omp_variable_list): Update for
	OMP_CLAUSE_DECL name change.
	(gfc_trans_omp_do): Likewise.

	* trans-openmp.c (gfc_trans_omp_clauses): Create OMP_CLAUSE_REDUCTION
	clauses.
	(gfc_trans_omp_atomic): Build OMP_ATOMIC instead of expanding
	sync builtins directly.
	(gfc_trans_omp_single): Build OMP_SINGLE statement.

	* trans-openmp.c (gfc_trans_add_clause): New.
	(gfc_trans_omp_variable_list): Take a tree code and build the clause
	node here.  Link it to the head of a list.
	(gfc_trans_omp_clauses): Update to match.
	(gfc_trans_omp_do): Use gfc_trans_add_clause.

	* trans-openmp.c (gfc_trans_omp_clauses): Change second argument to
	gfc_omp_clauses *.  Use gfc_evaluate_now instead of creating
	temporaries by hand.
	(gfc_trans_omp_atomic, gfc_trans_omp_critical): Use buildN_v macros.
	(gfc_trans_omp_do): New function.
	(gfc_trans_omp_master): Dont' check for gfc_trans_code returning NULL.
	(gfc_trans_omp_parallel): Adjust gfc_trans_omp_clauses caller.
	Use buildN_v macros.
	(gfc_trans_omp_parallel_do, gfc_trans_omp_parallel_sections,
	gfc_trans_omp_parallel_workshare, gfc_trans_omp_sections,
	gfc_trans_omp_single, gfc_trans_omp_workshare): New functions.
	(gfc_trans_omp_directive): Use them.
	* parse.c (parse_omp_do): Allow new_st.op == EXEC_NOP.
	* openmp.c (resolve_omp_clauses): Check for list items present
	in multiple clauses.
	(resolve_omp_do): Check that iteration variable is not THREADPRIVATE
	and is not present in any clause variable lists other than PRIVATE
	or LASTPRIVATE.

	* gfortran.h (symbol_attribute): Add threadprivate bit.
	(gfc_common_head): Add threadprivate member, change use_assoc
	and saved into char to save space.
	(gfc_add_threadprivate): New prototype.
	* symbol.c (check_conflict): Handle threadprivate.
	(gfc_add_threadprivate): New function.
	(gfc_copy_attr): Copy threadprivate.
	* trans-openmp.c (gfc_trans_omp_clauses): Avoid creating a temporary
	if IF or NUM_THREADS is constant.  Create OMP_CLAUSE_SCHEDULE and
	OMP_CLAUSE_ORDERED.
	* resolve.c (resolve_symbol): Complain if a THREADPRIVATE symbol
	outside a module and not in COMMON has is not SAVEd.
	(resolve_equivalence): Ensure THREADPRIVATE objects don't get
	EQUIVALENCEd.
	* trans-common.c: Include target.h and rtl.h.
	(build_common_decl): Set DECL_TLS_MODEL if THREADPRIVATE.
	* trans-decl.c: Include rtl.h.
	(gfc_finish_var_decl): Set DECL_TLS_MODEL if THREADPRIVATE.
	* dump-parse-tree.c (gfc_show_attr): Handle THREADPRIVATE.
	* Make-lang.in (fortran/trans-decl.o): Depend on $(RTL_H).
	(fortran/trans-common.o): Depend on $(RTL_H) and $(TARGET_H).
	* openmp.c (gfc_match_omp_variable_list): Ensure COMMON block
	is from current namespace.
	(gfc_match_omp_threadprivate): Rewrite.
	(resolve_omp_clauses): Check some clause restrictions.
	* module.c (ab_attribute): Add AB_THREADPRIVATE.
	(attr_bits): Add THREADPRIVATE.
	(mio_symbol_attribute, mio_symbol_attribute): Handle threadprivate.
	(load_commons, write_common, write_blank_common): Adjust for type
	change of saved, store/load threadprivate bit from the integer
	as well.

	* types.def (BT_FN_UINT_UINT): New.
	(BT_FN_VOID_UINT_UINT): Remove.

	* trans-openmp.c (gfc_trans_omp_clauses, gfc_trans_omp_barrier,
	gfc_trans_omp_critical, gfc_trans_omp_flush, gfc_trans_omp_master,
	gfc_trans_omp_ordered, gfc_trans_omp_parallel): New functions.
	(gfc_trans_omp_directive): Use them.

	* openmp.c (expr_references_sym): Add SE argument, don't look
	into SE tree.
	(is_conversion): New function.
	(resolve_omp_atomic): Adjust expr_references_sym callers.  Handle
	promoted expressions.
	* trans-openmp.c (gfc_trans_omp_atomic): New function.
	(gfc_trans_omp_directive): Call it.

	* f95-lang.c (builtin_type_for_size): New function.
	(gfc_init_builtin_functions): Initialize synchronization and
	OpenMP builtins.
	* types.def: New file.
	* Make-lang.in (f95-lang.o): Depend on $(BUILTINS_DEF) and
	fortran/types.def.

	* trans-openmp.c: Rename GOMP_* tree codes into OMP_*.

	* dump-parse-tree.c (show_symtree): Don't crash if ns->proc_name
	is NULL.

	* dump-parse-tree.c (gfc_show_namelist, gfc_show_omp_node): New
	functions.
	(gfc_show_code_node): Call gfc_show_omp_node for EXEC_OMP_* nodes.

	* parse.c (parse_omp_do): Call pop_state before next_statement.
	* openmp.c (expr_references_sym, resolve_omp_atomic, resolve_omp_do):
	New functions.
	(gfc_resolve_omp_directive): Call them.
	* match.c (match_exit_cycle): Issue error if EXIT or CYCLE statement
	leaves an OpenMP structured block or if EXIT terminates !$omp do
	loop.

	* Make-lang.in (F95_PARSER_OBJS): Add fortran/openmp.o.
	(F95_OBJS): Add fortran/trans-openmp.o.
	(fortran/trans-openmp.o): Depend on $(GFORTRAN_TRANS_DEPS).
	* lang.opt: Add -fopenmp option.
	* options.c (gfc_init_options): Initialize it.
	(gfc_handle_option): Handle it.
	* gfortran.h (ST_OMP_ATOMIC, ST_OMP_BARRIER, ST_OMP_CRITICAL,
	ST_OMP_END_CRITICAL, ST_OMP_END_DO, ST_OMP_END_MASTER,
	ST_OMP_END_ORDERED, ST_OMP_END_PARALLEL, ST_OMP_END_PARALLEL_DO,
	ST_OMP_END_PARALLEL_SECTIONS, ST_OMP_END_PARALLEL_WORKSHARE,
	ST_OMP_END_SECTIONS, ST_OMP_END_SINGLE, ST_OMP_END_WORKSHARE,
	ST_OMP_DO, ST_OMP_FLUSH, ST_OMP_MASTER, ST_OMP_ORDERED,
	ST_OMP_PARALLEL, ST_OMP_PARALLEL_DO, ST_OMP_PARALLEL_SECTIONS,
	ST_OMP_PARALLEL_WORKSHARE, ST_OMP_SECTIONS, ST_OMP_SECTION,
	ST_OMP_SINGLE, ST_OMP_THREADPRIVATE, ST_OMP_WORKSHARE): New
	statement codes.
	(OMP_LIST_PRIVATE, OMP_LIST_FIRSTPRIVATE, OMP_LIST_LASTPRIVATE,
	OMP_LIST_COPYPRIVATE, OMP_LIST_SHARED, OMP_LIST_COPYIN,
	OMP_LIST_PLUS, OMP_LIST_REDUCTION_FIRST, OMP_LIST_MULT,
	OMP_LIST_SUB, OMP_LIST_AND, OMP_LIST_OR, OMP_LIST_EQV,
	OMP_LIST_NEQV, OMP_LIST_MAX, OMP_LIST_MIN, OMP_LIST_IAND,
	OMP_LIST_IOR, OMP_LIST_IEOR, OMP_LIST_REDUCTION_LAST, OMP_LIST_NUM):
	New OpenMP variable list types.
	(gfc_omp_clauses): New typedef.
	(gfc_get_omp_clauses): Define.
	(EXEC_OMP_CRITICAL, EXEC_OMP_DO, EXEC_OMP_FLUSH, EXEC_OMP_MASTER,
	EXEC_OMP_ORDERED, EXEC_OMP_PARALLEL, EXEC_OMP_PARALLEL_DO,
	EXEC_OMP_PARALLEL_SECTIONS, EXEC_OMP_PARALLEL_WORKSHARE,
	EXEC_OMP_SECTIONS, EXEC_OMP_SINGLE, EXEC_OMP_WORKSHARE,
	EXEC_OMP_ATOMIC, EXEC_OMP_BARRIER, EXEC_OMP_END_NOWAIT,
	EXEC_OMP_END_SINGLE): New OpenMP gfc_exec_op codes.
	(struct gfc_code): Add omp_clauses, omp_name, omp_namelist
	and omp_bool fields to ext union.
	(flag_openmp): Declare.
	(gfc_free_omp_clauses, gfc_resolve_omp_directive): New prototypes.
	* scanner.c (openmp_flag, openmp_locus): New variables.
	(skip_free_comments, skip_fixed_comments, gfc_next_char_literal):
	Handle OpenMP directive lines and conditional compilation magic
	comments.
	* parse.h (COMP_OMP_STRUCTURED_BLOCK): New compile state.
	* parse.c (decode_omp_directive, parse_omp_do, parse_omp_atomic,
	parse_omp_structured_block): New functions.
	(next_free, next_fixed): Parse OpenMP directives.
	(case_executable, case_exec_markers, case_decl): Add ST_OMP_*
	codes.
	(gfc_ascii_statement): Handle ST_OMP_* codes.
	(parse_executable): Rearrange the loop slightly, so that
	parse_omp_do can return next_statement.
	* match.h (gfc_match_omp_eos, gfc_match_omp_atomic,
	gfc_match_omp_barrier, gfc_match_omp_critical, gfc_match_omp_do,
	gfc_match_omp_flush, gfc_match_omp_master, gfc_match_omp_ordered,
	gfc_match_omp_parallel, gfc_match_omp_parallel_do,
	gfc_match_omp_parallel_sections, gfc_match_omp_parallel_workshare,
	gfc_match_omp_sections, gfc_match_omp_single,
	gfc_match_omp_threadprivate, gfc_match_omp_workshare,
	gfc_match_omp_end_nowait, gfc_match_omp_end_single): New prototypes.
	* resolve.c (resolve_blocks): Ignore EXEC_OMP_* block directives.
	(resolve_code): Call gfc_resolve_omp_directive on EXEC_OMP_*
	directives.
	* trans.c (gfc_trans_code): Call gfc_trans_omp_directive for
	EXEC_OMP_* directives.
	* st.c (gfc_free_statement): Handle EXEC_OMP_* statement freeing.
	* trans-stmt.h (gfc_trans_omp_directive): New prototype.
	* openmp.c: New file.
	* trans-openmp.c: New file.

gcc/testsuite/
2006-02-14  Jakub Jelinek  <jakub@redhat.com>
	    Diego Novillo  <dnovillo@redhat.com>
	    Uros Bizjak  <uros@kss-loka.si>

	* gfortran.dg/gomp: New directory.

libgomp/
2006-02-14  Jakub Jelinek  <jakub@redhat.com>

	* testsuite/libgomp.fortran/vla7.f90: Add -w to options.
	Remove tests for returning assumed character length arrays.

Co-Authored-By: Diego Novillo <dnovillo@redhat.com>
Co-Authored-By: Richard Henderson <rth@redhat.com>
Co-Authored-By: Uros Bizjak <uros@kss-loka.si>

From-SVN: r110984
2006-02-14 17:38:03 +01:00
Paul Thomas
68ea355b5d PR25024, PR20881, PR23308, PR25538 and PR25710 - Procedure references
2005-01-21  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/25124
	PR fortran/25625
	* decl.c (get_proc_name): If there is an existing
	symbol in the encompassing namespace, call errors
	if it is a procedure of the same name or the kind
	field is set, indicating a type declaration.

	PR fortran/20881
	PR fortran/23308
	PR fortran/25538
	PR fortran/25710
	* decl.c (add_global_entry): New function to check
	for existing global symbol with this name and to
	create new one if none exists.
	(gfc_match_entry): Call add_global_entry before
	matching argument lists for subroutine and function
	entries.
	* gfortran.h: Prototype for existing function,
	global_used.
	* resolve.c (resolve_global_procedure): New function
	to check global symbols for procedures.
	(resolve_call, resolve_function): Calls to this
	new function for non-contained and non-module
	procedures.
	* match.c (match_common): Add check for existing
	global symbol, creat one if none exists and emit
	error if there is a clash.
	* parse.c (global_used): Remove static and use the
	gsymbol name rather than the new_block name, so that
	the function can be called from resolve.c.
	(parse_block_data, parse_module, add_global_procedure):
	Improve checks for existing gsymbols.  Emit error if
	already defined or if references were to another type.
	Set defined flag.

	PR fortran/PR24276
	* trans-expr.c (gfc_conv_aliased_arg): New function called by 
	gfc_conv_function_call that coverts an expression for an aliased
	component reference to a derived type array into a temporary array
	of the same type as the component.  The temporary is passed as an
	actual argument for the procedure call and is copied back to the
	derived type after the call.
	(is_aliased_array): New function that detects an array reference
	that is followed by a component reference.
	(gfc_conv_function_call): Detect an aliased actual argument with
	is_aliased_array and convert it to a temporary and back again
	using gfc_conv_aliased_arg.

2005-01-21  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/25124
	PR fortran/25625
	* gfortran.dg/internal_references_1.f90: New test.
	  PR fortran/20881
	PR fortran/23308
	PR fortran/25538
	PR fortran/25710
	* gfortran.dg/global_references_1.f90: New test.
	* gfortran.dg/g77/19990905-1.f: Restore the error that
	there is a clash between the common block name and
	the name of a subroutine reference.

	PR fortran/PR24276
	* gfortran.dg/aliasing_dummy_1.f90: New test.

From-SVN: r110063
2006-01-21 09:08:54 +00:00
Tobias Schlüter
9504064432 * parse.c (next_fixed): Remove superfluous string concatenation.
From-SVN: r109599
2006-01-11 20:51:16 +01:00
Steven G. Kargl
99f1e97091 re PR fortran/24640 ([4.1] ice with invalid label)
PR fortran/24640
* parse.c (next_free): Check for whitespace after the label.
* match.c (gfc_match_small_literal_int): Initialize cnt variable.

* gfortran.dg/label_2.f90: New test.

From-SVN: r109246
2006-01-02 22:23:35 +00:00
Erik Edelmann
46833406d1 re PR fortran/25423 (Error with nested where statements)
fortran/
2005-12-21  Erik Edelmann  <eedelman@gcc.gnu.org>

        PR fortran/25423
        * parse.c (parse_where_block): break instead of "fall
         through" after parsing nested WHERE construct.


testsuite/
2005-12-21  Erik Edelmann  <eedelman@gcc.gnu.org>

        PR fortran/25423
        gfortran.dg/where_nested_1.f90: New.

From-SVN: r108902
2005-12-21 11:58:09 +00:00