merge from fortran-dev branch:
gcc/fortran/
2009-11-30 Janus Weil <janus@gcc.gnu.org>
PR fortran/42053
* resolve.c (resolve_select_type): Check for duplicate CLASS IS blocks.
2009-11-30 Janus Weil <janus@gcc.gnu.org>
PR fortran/41631
* decl.c (gfc_match_derived_decl): Set extension level.
* gfortran.h (symbol_attribute): Expand 'extension' bit field to 8 bit.
* iresolve.c (gfc_resolve_extends_type_of): Return value of
'is_extension_of' has kind=4.
* match.c (select_type_set_tmp,gfc_match_class_is): Create temporary
for CLASS IS blocks.
* module.c (MOD_VERSION): Bump module version.
(ab_attribute,attr_bits): Remove AB_EXTENSION.
(mio_symbol_attribute): Handle expanded 'extension' field.
* resolve.c (resolve_select_type): Implement CLASS IS blocks.
(resolve_fl_variable_derived): Show correct type name.
* symbol.c (gfc_build_class_symbol): Set extension level.
2009-11-30 Janus Weil <janus@gcc.gnu.org>
* intrinsic.h (gfc_resolve_extends_type_of): Add prototype.
* intrinsic.c (add_functions): Use 'gfc_resolve_extends_type_of'.
* iresolve.c (gfc_resolve_extends_type_of): New function, which
replaces the call to EXTENDS_TYPE_OF by the library function
'is_extension_of' and modifies the arguments.
* trans-intrinsic.c (gfc_conv_extends_type_of): Removed.
(gfc_conv_intrinsic_function): FOR EXTENDS_TYPE_OF, don't call
gfc_conv_extends_type_of but gfc_conv_intrinsic_funcall.
2009-11-30 Paul Thomas <pault@gcc.gnu.org>
Janus Weil <janus@gcc.gnu.org>
* decl.c (encapsulate_class_symbol): Replaced by
'gfc_build_class_symbol'.
(build_sym,build_struct): Call 'gfc_build_class_symbol'.
(gfc_match_derived_decl): Replace vindex by hash_value.
* dump-parse-tree.c (show_symbol): Replace vindex by hash_value.
* gfortran.h (symbol_attribute): Add field 'vtab'.
(gfc_symbol): Replace vindex by hash_value.
(gfc_class_esym_list): Ditto.
(gfc_get_derived_type,gfc_build_class_symbol,gfc_find_derived_vtab):
New prototypes.
* module.c (mio_symbol): Replace vindex by hash_value.
* resolve.c (vindex_expr): Rename to 'hash_value_expr'.
(resolve_class_compcall,resolve_class_typebound_call): Renamed
'vindex_expr'.
(resolve_select_type): Replace $vindex by $vptr->$hash.
* symbol.c (gfc_add_save): Handle vtab symbols.
(gfc_type_compatible): Rewrite.
(gfc_build_class_symbol): New function which replaces
'encapsulate_class_symbol'.
(gfc_find_derived_vtab): New function to set up a vtab symbol for a
derived type.
* trans-decl.c (gfc_create_module_variable): Handle vtab symbols.
* trans-expr.c (select_class_proc): Replace vindex by hash_value.
(gfc_conv_derived_to_class): New function to construct a temporary
CLASS variable from a derived type expression.
(gfc_conv_procedure_call): Call 'gfc_conv_derived_to_class'.
(gfc_conv_structure): Initialize the $extends and $size fields of
vtab symbols.
(gfc_trans_class_assign): Replace $vindex by $vptr. Remove the $size
assignment.
* trans-intrinsic.c (gfc_conv_same_type_as): Replace $vindex by
$vptr->$hash, and replace vindex by hash_value.
* trans-stmt.c (gfc_trans_allocate): Insert $vptr references, replace
$vindex by $vptr. Remove the $size assignment.
* trans-types.c (gfc_get_derived_type): Make it non-static.
gcc/testsuite/
2009-11-30 Janus Weil <janus@gcc.gnu.org>
PR fortran/42053
* gfortran.dg/select_type_9.f03: New.
2009-11-30 Janus Weil <janus@gcc.gnu.org>
PR fortran/41631
* gfortran.dg/extends_type_of_1.f03: Fix invalid test case.
* gfortran.dg/module_md5_1.f90: Adjusted MD5 sum.
* gfortran.dg/select_type_1.f03: Remove FIXMEs.
* gfortran.dg/select_type_2.f03: Ditto.
* gfortran.dg/select_type_8.f03: New test.
2009-11-30 Janus Weil <janus@gcc.gnu.org>
* gfortran.dg/extends_type_of_1.f03: New test.
* gfortran.dg/same_type_as_1.f03: Extended.
2009-11-30 Paul Thomas <pault@gcc.gnu.org>
* gfortran.dg/class_4c.f03: Add dg-additional-sources.
* gfortran.dg/class_4d.f03: Rename module. Cleanup modules.
libgfortran/
2009-11-30 Janus Weil <janus@gcc.gnu.org>
* gfortran.map: Add _gfortran_is_extension_of.
* Makefile.am: Add intrinsics/extends_type_of.c.
* Makefile.in: Regenerated.
* intrinsics/extends_type_of.c: New file.
From-SVN: r154840
2009-07-27 Tobias Burnus <burnus@net-b.de>
PR fortran/40863
* c99_functions.c: Define complex I, if not defined.
Create prototypes for C99 functions to silence warnings.
* gfortran.map: Add missing functions to GFORTRAN_C99_1.0
and new GFORTRAN_C99_1.1.
From-SVN: r150107
2008-06-13 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR fortran/35863
* libgfortran.h: Change l8_to_l4_offset to big_endian and add endian_off.
* runtime/main.c: Fix error in comment. Change l8_to_l4_offset to
big_endian. (determine_endianness): Add endian_off and set its value
according to big_endian.
* gfortran.map: Add symbol for new _gfortran_transfer_character_wide.
* io/io.h: Add prototype declarations for new functions.
* io/list_read.c (list_formatted_read_scalar): Modify to handle kind=4.
(list_formatted_read): Calculate stride based on kind for character type
and use it when calling list_formatted_read_scalar.
* io/inquire.c (inquire_via_unit): Change l8_to_l4_offset to big_endian.
* io/open.c (st_open): Change l8_to_l4_offset to big_endian.
* io/read.c (read_a_char4): New function to handle formatted read.
* io/write.c: Define GFC_CHAR4(x) to improve readability of code.
(write_a_char4): New function to handle formatted write.
(write_character): Modify to accept the kind parameter and adjust for
endianess of the machine. (list_formatted_write): Calculate the stride
resulting from the kind and adjust the list_formatted_write_scalar call
accordingly. (nml_write_obj): Adjust calls to write_character.
(namelist_write): Likewise.
* io/transfer.c (formatted_transfer_scaler): Rename 'len' argument to
'kind' argument to better describe what it is. Add calls to new
functions for kind == 4. (formatted_transfer): Modify to handle the case
of type character and kind equals 4 to pass in the kind to the transfer
routines. (transfer_character_wide): Add this new function.
(transfer_array): Don't set kind to the character string length. Adjust
strides bases on character kind.
(unformatted_read): Adjust size based on kind for character types.
(unformatted_write): Likewise. (data_transfer_init): Change
l8_to_l4_offset to big_endian.
From-SVN: r136763
PR fortran/36319
* intrinsic.c (gfc_convert_chartype): Don't mark conversion
function as pure.
* trans-array.c (gfc_trans_array_ctor_element): Divide element
size by the size of one character to obtain length.
* iresolve.c (gfc_resolve_cshift): Call the _char4 variant when
appropriate.
(gfc_resolve_eoshift): Likewise.
* trans-intrinsic.c (gfc_conv_intrinsic_ctime): Minor beautification.
(gfc_conv_intrinsic_fdate): Minor beautification.
(gfc_conv_intrinsic_ttynam): Minor beautification.
(gfc_conv_intrinsic_minmax_char): Allow all character kinds.
(size_of_string_in_bytes): New function.
(gfc_conv_intrinsic_size): Call size_of_string_in_bytes for
character expressions.
(gfc_conv_intrinsic_sizeof): Likewise.
(gfc_conv_intrinsic_array_transfer): Likewise.
(gfc_conv_intrinsic_trim): Allow all character kinds. Minor
beautification.
(gfc_conv_intrinsic_repeat): Fix comment typo.
* simplify.c (gfc_convert_char_constant): Take care of conversion
of array constructors.
* intrinsics/string_intrinsics_inc.c (string_index): Return
correct value for zero-length substring.
* intrinsics/cshift0.c: Add _char4 variant.
* intrinsics/eoshift0.c (eoshift0): Allow filler to be a pattern
wider than a single byte. Add _char4 variant and use above
functionality.
* intrinsics/eoshift2.c (eoshift2): Likewise.
* m4/eoshift1.m4: Likewise.
* m4/eoshift3.m4: Likewise.
* m4/cshift1.m4: Add _char4 variants.
* gfortran.map (GFORTRAN_1.1): Add _gfortran_cshift0_1_char4,
_gfortran_cshift0_2_char4, _gfortran_cshift0_4_char4,
_gfortran_cshift0_8_char4, _gfortran_cshift1_16_char4,
_gfortran_cshift1_4_char4, _gfortran_cshift1_8_char4,
_gfortran_eoshift0_1_char4, _gfortran_eoshift0_2_char4,
_gfortran_eoshift0_4_char4, _gfortran_eoshift0_8_char4,
_gfortran_eoshift1_16_char4, _gfortran_eoshift1_4_char4,
_gfortran_eoshift1_8_char4, _gfortran_eoshift2_1_char4,
_gfortran_eoshift2_2_char4, _gfortran_eoshift2_4_char4,
_gfortran_eoshift2_8_char4, _gfortran_eoshift3_16_char4,
_gfortran_eoshift3_4_char4 and _gfortran_eoshift3_8_char4.
* generated/eoshift3_4.c: Regenerate.
* generated/eoshift1_8.c: Regenerate.
* generated/eoshift1_16.c: Regenerate.
* generated/cshift1_4.c: Regenerate.
* generated/eoshift1_4.c: Regenerate.
* generated/eoshift3_8.c: Regenerate.
* generated/eoshift3_16.c: Regenerate.
* generated/cshift1_8.c: Regenerate.
* generated/cshift1_16.c: Regenerate.
* gfortran.dg/widechar_5.f90: New file.
* gfortran.dg/widechar_6.f90: New file.
* gfortran.dg/widechar_7.f90: New file.
* gfortran.dg/widechar_intrinsics_5.f90: Uncomment the lines
testing the SPREAD intrinsic.
* gfortran.dg/widechar_intrinsics_6.f90: New file.
* gfortran.dg/widechar_intrinsics_7.f90: New file.
* gfortran.dg/widechar_intrinsics_8.f90: New file.
* gfortran.dg/widechar_intrinsics_9.f90: New file.
* gfortran.dg/widechar_intrinsics_10.f90: New file.
From-SVN: r136129
* runtime/select.c: Moved content to select_inc.c. Include it.
Add macros for different character types.
* runtime/select_inc.c: New file.
* runtime/convert_char.c: New file.
* intrinsics/pack_generic.c (pack_char4, pack_s_char4): New
functions.
* intrinsics/transpose_generic.c (transpose_char4): New function.
* intrinsics/spread_generic.c (spread_char4, spread_char4_scalar):
New functions.
* intrinsics/unpack_generic.c (unpack1_char4, unpack0_char4):
New functions.
* intrinsics/reshape_generic.c (reshape_char): Use
gfc_charlen_type as type for length variables.
(reshape_char4): New function.
* gfortran.map (GFORTRAN_1.1): Add _gfortran_select_string_char4,
_gfortran_convert_char1_to_char4, _gfortran_convert_char4_to_char1,
_gfortran_transpose_char4, _gfortran_spread_char4,
_gfortran_spread_char4_scalar, _gfortran_reshape_char4,
_gfortran_pack_char4, _gfortran_pack_s_char4,
_gfortran_unpack0_char4 and _gfortran_unpack1_char4.
* Makefile.am: Add runtime/convert_char.c.
* Makefile.in: Regenerate.
From-SVN: r135496
2008-04-05 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR fortran/25829 28655
* gfortran.map: Add new symbol, _gfortran_st_wait.
* libgfortran.h (st_paramter_common): Add new I/O parameters.
* open.c (st_option decimal_opt[], st_option encoding_opt[],
st_option round_opt[], st_option sign_opt[], st_option async_opt[]): New
parameter option arrays. (edit_modes): Add checks for new parameters.
(new_unit): Likewise. (st_open): Likewise.
* list_read.c (CASE_SEPERATORS): Add ';' as a valid separator.
(eat_separator): Handle deimal comma. (read_logical): Fix whitespace.
(parse_real): Handle decimal comma. (read_real): Handle decimal comma.
* read.c (read_a): Use decimal status flag to allow comma in place of a
decimal point. (read_f): Allow comma as acceptable character in float.
According to decimal flag, substitute a period for a comma.
(read_x): If decimal status flag is comma, disable the read_comma flag,
not allowing comma as a delimiter, an extension otherwise.
* io.h: (unit_decimal, unit_encoding, unit_round, unit_sign,
unit_async): New enumerators. Add all new I/O parameters.
* unix.c (unix_stream, int_stream): Add io_mode asychronous I/O control.
(move_pos_offset, fd_alloc_w_at): Fix some whitespace.
(fd_sfree): Use new enumerator. (fd_read): Likewise.
(fd_write): Likewise. (fd_close): Fix whitespace.
(fd_open): Use new enumertors. (tempfile, regular_file,
open_external): Fix whitespace. (output_stream, error_stream): Set
method. (stream_offset): Fix whitespace.
* transfer.c: (st_option decimal_opt[], sign_opt[], blank_opt[]): New
option arrays. (formatted_transfer_scalar): Set sf_read_comma flag
based on new decimal_status flag. (data_transfer_init): Initialize new
parameters. Add checks for decimal, sign, and blank. (st_wait): New stub.
* format.c: (format_lex): Add format specifiers DP, DC, and D.
(parse_format_list): Parse the new specifiers.
* write.c (write_decimal): Use new sign enumerators to set the sign.
(write_complex): Handle decimal comma and semi-colon separator.
(nml_write_obj): Likewise.
* write_float.def: Revise sign enumerators. (calculate_sign): Use new
sign enumerators. (output_float): Likewise. Use new decimal_status flag
to set the decimal character to a point or a comma.
From-SVN: r133943
2008-03-21 Janne Blomqvist <jb@gcc.gnu.org>
* gfortran.map: Move erfc_scaled symbols to new symbol node
GFORTRAN_1.1, thereby fixing ABI bug introduced in r132846.
From-SVN: r133432
gcc/fortran:
2007-12-25 Daniel Franke <franke.daniel@gmail.com>
PR fortran/34533
* intrinsic.h (gfc_check_etime): Renamed to ...
(gfc_check_dtime_etime): ... this.
(gfc_check_etime_sub): Renamed to ...
(gfc_check_dtime_etime_sub): ... this.
(gfc_resolve_dtime_sub): New prototype.
* check.c (gfc_check_etime): Renamed to ...
(gfc_check_dtime_etime): ... this.
(gfc_check_etime_sub): Renamed to ...
(gfc_check_dtime_etime_sub): ... this.
* iresolve.c (gfc_resolve_dtime_sub): New implementation.
* intrinsic.c (add_functions): Removed alias from ETIME to DTIME,
added stand-alone intrinsic DTIME.
(add_subroutines): Adjusted check and resolve function names for
DTIME and ETIME.
* trans-intrinsic.c (gfc_conv_intrinsic_function): Added DTIME
to known functions in switch.
* intrinsic.texi (DTIME): Added paragraph about thread-safety,
fixed return value section.
(CPU_TIME): Clarified intent and added implementation notes.
libgfortran:
2007-12-25 Daniel Franke <franke.daniel@gmail.com>
PR fortran/34533
* intrinsics/cpu_time.c: Moved code commonly usable for CPU_TIME,
DTIME and ETIME to ...
* intrinsics/time_1.h: ... here.
* intrinsics/dtime.c: New file.
* intrinsics/etime.c: Newly implemented using the common
time-aquisition function from time_1.h.
* gfortran.map (_gfortran_dtime, _gfortran_dtime_sub): New.
* Makefile.am: Added new file.
* Makefile.in: Regenerated.
* configure: Regenerated.
From-SVN: r131168
PR fortran/30964
PR fortran/33054
* trans-expr.c (gfc_conv_function_call): When no formal argument
list is available, we still substitute missing optional arguments.
* check.c (gfc_check_random_seed): Correct the check on the
number of arguments to RANDOM_SEED.
* intrinsic.c (add_subroutines): Add a resolution function to
RANDOM_SEED.
* iresolve.c (gfc_resolve_random_seed): New function.
* intrinsic.h (gfc_resolve_random_seed): New prototype.
* intrinsics/random.c (random_seed): Rename into random_seed_i4.
(random_seed_i8): New function.
* gfortran.map (GFORTRAN_1.0): Remove _gfortran_random_seed,
add _gfortran_random_seed_i4 and _gfortran_random_seed_i8.
* libgfortran.h (iexport_proto): Replace random_seed by
random_seed_i4 and random_seed_i8.
* runtime/main.c (init): Call the new random_seed_i4.
* gfortran.dg/random_4.f90: New test.
* gfortran.dg/random_5.f90: New test.
* gfortran.dg/random_6.f90: New test.
* gfortran.dg/random_7.f90: New test.
From-SVN: r127383
PR fortran/30947
* iresolve.c (gfc_resolve_alarm_sub): Suffix the subroutine name
with the kind of the STATUS argument.
* intrinsics/signal.c: Create specific versions of alarm_sub and
alarm_sub_int according to the integer kind of the last argument.
* gfortran.map (GFORTRAN_1.0): Remove _gfortran_alarm_sub and
_gfortran_alarm_sub_int, add _gfortran_alarm_sub_i4,
_gfortran_alarm_sub_i8, _gfortran_alarm_sub_int_i4 and
_gfortran_alarm_sub_int_i8.
From-SVN: r127259
PR fortran/29828
* trans.h (gfor_fndecl_string_minmax): New prototype.
* trans-decl.c (gfor_fndecl_string_minmax): New variable.
(gfc_build_intrinsic_function_decls): Create gfor_fndecl_string_minmax.
* check.c (gfc_check_min_max): Allow for character arguments.
* trans-intrinsic.c (gfc_conv_intrinsic_minmax_char): New function.
(gfc_conv_intrinsic_function): Add special case for MIN and MAX
intrinsics with character arguments.
* simplify.c (simplify_min_max): Add simplification for character
arguments.
* intrinsics/string_intrinsics.c (string_minmax): New function
and prototype.
* gfortran.map (GFORTRAN_1.0): Add _gfortran_string_minmax
* gfortran.dg/minmax_char_1.f90: New test.
* gfortran.dg/minmax_char_2.f90: New test.
* gfortran.dg/min_max_optional_4.f90: New test.
From-SVN: r127252
2007-07-21 Christopher D. Rickett <crickett@lanl.gov>
PR fortran/32627
* resolve.c (set_name_and_label): Set kind number for character
version of c_f_pointer.
(gfc_iso_c_sub_interface): Set the kind of the SHAPE formal arg to
that of the actual SHAPE arg.
* symbol.c (gen_shape_param): Initialize kind for SHAPE arg.
2007-07-21 Christopher D. Rickett <crickett@lanl.gov>
PR fortran/32627
* libgfortran/intrinsics/iso_c_generated_procs.c: Add c_f_pointer
for character/string arguments.
* libgfortran/intrinsic/iso_c_binding.c (c_f_pointer_u0): Allow
the optional SHAPE arg to be any valid integer kind.
* libgfortran/gfortran.map: Add c_f_pointer_s0.
* libgfortran/mk-kinds-h.sh: Save smallest integer kind as default
character kind.
* libgfortran/intrinsics/iso_c_generated_procs.c: Add versions of
c_f_pointer for complex and logical types.
* libgfortran/gfortran.map: Add c_f_pointer versions for logical
and complex types.
2007-07-21 Christopher D. Rickett <crickett@lanl.gov>
PR fortran/32627
* gfortran.dg/pr32627_driver.c: Driver for pr32627.
* gfortran.dg/pr32627.f03: New test case.
* gfortran.dg/c_f_pointer_logical.f03: New test case.
* gfortran.dg/c_f_pointer_logical_driver.c: Driver for
c_f_pointer_logical.
* gfortran.dg/c_f_pointer_complex_driver.c: Driver for
c_f_pointer_complex.
* gfortran.dg/c_f_pointer_complex.f03: New test case.
* gfortran.dg/c_f_pointer_shape_tests_2_driver.c: Driver for
c_f_pointer_shape_tests_2.
* gfortran.dg/c_f_pointer_shape_tests_2.f03: New test case.
From-SVN: r126817
2007-07-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
PR fortran/32611
* runtime/compile_options.c (set_std): Remove.
(set_options): New function.
(init_compile_options): Add initialization for -fsign-zero option.
* gfortran.map (GFORTRAN_1.0): Rename _gfortran_set_std into
_gfortran_set_options.
* libgfortran.h (compile_options_t): Add sign_zero field.
* io/write.c (output_float): Use the sign bit of the value to determine
if a negative sign should be emitted for zero values. Do not emit the
negative sign for zero if -fno-sign-zero was set during compile.
Co-Authored-By: Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
From-SVN: r126654
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
2007-05-06 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
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
