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
2007-07-01 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libgfortran/32554
* io/write.c (output_float): Set edigits to a fixed size, avoiding
variation in field width calculation and eliminate buffer overrun.
From-SVN: r126173
2007-06-29 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libgfortran/32456
* io/unit.c (filename_from_unit): Don't use find_unit, instead search
for unit directly.
From-SVN: r126119
2007-06-24 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libgfortran/32456
* runtime/error.c (show_locus): Update to emit the unit number
and file name involved with the error. Use new function
filename_from_unit.
* libgfortran.h (filename_from_unit): Declare new function.
* io/unit.c (init_units): Set the unit file name for stdin, stdout,
and stderr for use later in error reporting.
(filename_from_unit): Add this new function.
From-SVN: r125989
2007-06-24 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libgfortran/32446
* io/write.c (output_float): Calculate ndigits correctly for large
numbered formats that must pad zeros before the decimal point.
From-SVN: r125985
2007-06-10 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libgfortran/32235
* io/transfer.c (st_read): Remove test for end of file condition.
(next_record_r): Add test for end of file condition.
From-SVN: r125606
2007-05-28 Tobias Burnus <burnus@net-b.de>
PR fortran/32124
* runtime/memory.c (allocate_size): Use ERROR_ALLOCATION.
(allocate,allocate64): Use stat variable if present.
From-SVN: r125133
2007-05-27 Janne Blomqvist <jb@gcc.gnu.org>
* runtime/string.c (compare0): Use gfc_charlen_type instead of int.
(fstrlen): Likewise.
(find_option): Likewise.
(fstrcpy): Use gfc_charlen_type instead of int, return length.
(cf_strcpy): Likewise.
* libgfortran.h: Change string prototypes to use gfc_charlen_type.
* io/open.c (new_unit): Use snprintf if available.
* io/list_read.c (nml_touch_nodes): Use memcpy instead of strcpy/strcat.
(nml_read_obj): Likewise.
* io/transfer.c (st_set_nml_var): Likewise.
* io/write.c (output_float): Use snprintf if available.
(nml_write_obj) Use memcpy instead of strcpy/strcat.
From-SVN: r125100
2007-05-25 Jerry DeLisle <jvdelisle@gcc.gnu.org>
* io/transfer.c (unformatted_read): Use size from front end eliminating
use of size_from_real_kind. (unformatted_write): Ditto.
From-SVN: r125064
* ltmain.sh: Update from ToT Libtool.
* libtool.m4: Update from ToT Libtool.
* ltsugar.m4: New. Update from ToT Libtool.
* ltversion.m4: New. Update from ToT Libtool.
* ltoptions.m4: New. Update from ToT Libtool.
* ltconfig: Remove.
* ltcf-c.sh: Remove.
* ltcf-cxx.sh: Remove.
* ltcf-gcj.sh: Remove.
* Regenerate all subdirs
From-SVN: r125032
2007-05-18 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libfortran/31964
* intrinsics/ishftc.c (ishftc4, ishftc8, ishftc16): Fix mask to handle
shift of bit-size number of bits.
From-SVN: r124846
2007-05-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libfortran/31922
* intrinsics/string_intrinsics.c (string_trim): Set result to null if
string length is zero.
From-SVN: r124754
2007-05-06 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libfortran/31201
* runtime/error.c (runtime_error_at): New function.
(generate_error): Export this function.
* gfortran.map: Add _gfortran_generate_error and
_gfortran_runtime_error_at.
* libgfortran.h: Add comment to reference error codes in front end.
(library_start): Locate prototype with library_end macro and add
a new comment. Add prototype for runtime_error_at. Export prototype for
generate_error.
* io/lock.c (library_start): Fix check for error condition.
* io/transfer.c (data_transfer_init): Add library check.
From-SVN: r124479
PR libfortran/31210
* io/transfer.c (transfer_character): Avoid passing a NULL
pointer as source to the transfer routines, if the string length
is zero.
From-SVN: r124428
2007-04-28 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libfortran/31501
* io/list_read.c (next_char): Fix whitespace.
* io/io.h: Remove prototypes and define macros for is_array_io,
is_stream_io, and is_internal_unit.
* io/unit.c (is_array_io), (is_internal_unit), (is_stream_io): Delete
these functions.
* io/transfer.c (read_sf): Change handling of internal_unit to make a
single call to salloc_r and use memcpy to transfer the data.
From-SVN: r124266
2007-04-27 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libfortran/31532
* io/file_pos.c (st_backspace): Set flags.position for end of file
condition and use new function update_position.
(st_endfile): Use new function update_position.
* io/io.h: Add prototype for new function.
* io/inquire.c (inquire_via_unit): If not direct access, set NEXTREC
to zero.
* io/unit.c (update_position): New function to update position info
used by inquire.
* io/transfer.c (next_record): Fix typo and use new function.
From-SVN: r124252
PR libfortran/31299
* intrinsics/getlog.c: Use getpwuid and geteuid instead of
getlogin if they are available.
* configure.ac: Add checks for getpwuid and geteuid.
* configure: Regenerate.
* config.h.in: Regenerate.
From-SVN: r124143
2007-04-24 Janne Blomqvist <jb@gcc.gnu.org>
PR fortran/27740
* configure.ac: New test to determine if symbol versioning is
supported.
* Makefile.am: Use result of above test to add appropriate linker
flags.
* gfortran.map: New file.
* configure: Regenerated.
* Makefile.in: Regenerated.
* config.h.in: Regenerated.
From-SVN: r124098
2007-04-23 Thomas Koenig <tkoenig@gcc.gnu.org>
PR fortran/31618
* io/transfer.c (read_block_direct): Instead of calling us_read,
set dtp->u.p.current_unit->current_record = 0 so that pre_position
will read the record marker.
(data_transfer_init): For different error conditions, call
generate_error, then return.
2007-04-23 Thomas Koenig <tkoenig@gcc.gnu.org>
PR fortran/31618
* gfortran.dg/backspace_8.f: New test case.
From-SVN: r124079
* runtime/main.c (please_free_exe_path_when_done): New variable.
(store_exe_path): Initialize character buffer, and mark whether
exe_path should be free'd by the library destructor function.
(cleanup): Only free exe_path if needed.
From-SVN: r123969
PR libfortran/31286
PR libfortran/31296
* intrinsics/cshift0.c (cshift0): Initialize sstride[0] and rstride[0].
* intrinsics/unpack_generic.c (unpack0, unpack0_char): Zero the
array structures we pass to unpack_internal.
From-SVN: r123944
libgfortran:
2007-04-11 Kai Tietz <kai.tietz@onevision.com>
* configure: Regenerate.
libdecnumber:
2007-04-11 Kai Tietz <kai.tietz@onevision.com>
* configure: Regenerate.
config:
2007-04-11 Kai Tietz <kai.tietz@onevision.com>
* stdint.m4: Make template compatible with older cygwin
types.h, wrapping each type in a __XXX_t_defined #ifdef.
From-SVN: r123746
PR fortran/31304
* fortran/gfortran.h (gfc_charlen_int_kind): New prototype.
* fortran/trans-types.c (gfc_charlen_int_kind): New variable.
(gfc_init_types): Define gfc_charlen_int_kind.
* fortran/trans.h (gfor_fndecl_string_repeat): Remove prototype.
* fortran/trans-decl.c (gfor_fndecl_string_repeat): Delete.
(gfc_build_intrinsic_function_decls): Don't set
gfor_fndecl_string_repeat.
* fortran/trans-intrinsic.c (gfc_conv_intrinsic_repeat): Rewrite
so that we don't have to call a library function.
* fortran/simplify.c (gfc_simplify_repeat): Perform the necessary
checks on the NCOPIES argument, and work with arbitrary size
arguments.
* intrinsics/string_intrinsics.c (string_repeat): Remove.
* gfortran.dg/repeat_2.f90: New test.
* gfortran.dg/repeat_3.f90: New test.
* gfortran.dg/repeat_4.f90: New test.
From-SVN: r123481
2007-04-01 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libgfortran/31052
* io/open.c (test_endfile): Delete this function.
(edit_modes): Delete call to test_endfile.
(new_unit): Likewise.
* io/io.h: Delete prototype for test_endfile.
* io/transfer.c (next_record_r): Remove use of test_endfile.
(st_read): Add test for end file condition and adjust status.
From-SVN: r123403
2007-04-01 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libgfortran/31366
* io/transfer.c (read_block_direct): Do not generate error when reading
past EOF on a short record that is less than the RECL= specified.
2007-04-01 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libgfortran/31207
* io/unit.c (close_unit_1): If there are bytes previously written from
ADVANCE="no", move to the end before closing.
From-SVN: r123401
PR libfortran/31335
* intrinsics/stat.c: Only provide STAT and FSTAT library routines
if stat() and fstat() library functions are available. When lstat()
is not available, use stat() instead.
* configure.ac: Add checks for stat, fstat and lstat.
* configure: Regenerate.
* config.h.in: Regenerate.
From-SVN: r123388
2007-03-27 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libgfortran/31052
* io/transfer.c (next_record_r): Do not call test_endfile if in namelist
mode.
From-SVN: r123284
2007-03-25 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libgfortran/31199
*io/io.h: Add saved_pos to gfc_unit structure.
*io/open.c (new_unit): Initialize saved_pos.
*io/transfer.c (data_transfer_init): Set max_pos to value in saved_pos.
(next_record_w): Fix whitespace.
(finalze_transfer): Calculate max_pos for ADVANCE="no" and save it for
later use. If not ADVANCE="no" set saved_pos to zero.
From-SVN: r123205