frontend ChangeLog:
2013-04-15 Janne Blomqvist <jb@gcc.gnu.org>
PR fortran/56919
* intrinsics.texi (SYSTEM_CLOCK): Update documentation.
libgfortran ChangeLog:
2013-04-15 Janne Blomqvist <jb@gcc.gnu.org>
PR fortran/56919
* intrinsics/time_1.h: Check __CYGWIN__ in addition to
__MINGW32__.
* intrinsics/system_clock.c (GF_CLOCK_MONOTONIC): Check
_POSIX_MONOTONIC_CLOCK as well.
(system_clock_4): Use GetTickCount on Windows.
(system_clock_8): Use QueryPerformanceCounter and
QueryPerformanceCounterFrequency on Windows.
From-SVN: r197968
2013-04-01 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libfortran/56660
* io/list_read.c (nml_read_obj): Do not reset the read error flag
inside nml_read_obj. If the read error flag is found set just exit.
Fix some whitespace on comments.
(nml_read_obj_data): Reset the read error flag before the first call
to nml_read_object.
From-SVN: r197321
2013-03-31 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libfortran/56786
* io/list_read.c (nml_parse_qualifier): Remove spurious next_char call
when checking for EOF. Use error return mechanism when EOF detected.
Do not return false unless parse_err_msg and parse_err_msg_size have
been set. Use hit_eof.
(nml_get_obj_data): Likewise use the correct error mechanism.
* io/transfer.c (hit_eof): Do not set AFTER_ENDFILE if in namelist
mode.
From-SVN: r197290
2013-03-25 Tilo Schwarz <tilo@tilo-schwarz.de>
PR libfortran/52512
* io/list_read.c (nml_parse_qualifier): To check for a derived type
don't use the namelist head element type but the current element type.
(nml_get_obj_data): Add current namelist element type to
nml_parse_qualifier call.
2013-03-25 Tilo Schwarz <tilo@tilo-schwarz.de>
PR libfortran/52512
* gfortran.dg/namelist_79.f90: New.
From-SVN: r197061
2013-03-20 Tilo Schwarz <tilo@tilo-schwarz.de>
PR libfortran/51825
* io/list_read.c (nml_read_obj): Don't end the component loop on
a nested derived type, but continue with the next loop iteration.
(nml_get_obj_data): Don't move the first_nl pointer further in
the list if a qualifier was found.
2013-03-20 Tilo Schwarz <tilo@tilo-schwarz.de>
PR libfortran/51825
* gcc/testsuite/gfortran.dg/namelist_77.f90: New.
* gcc/testsuite/gfortran.dg/namelist_78.f90: New.
From-SVN: r196806
2013-03-20 Tilo Schwarz <tilo@tilo-schwarz.de>
PR libfortran/48618
* io/open.c (st_open): Raise error for unit number < 0 only if
unit number does not exist already.
2013-03-20 Tilo Schwarz <tilo@tilo-schwarz.de>
PR libfortran/48618
* gfortran.dg/open_negative_unit_1.f90: New.
From-SVN: r196805
2013-03-19 Janne Blomqvist <jb@gcc.gnu.org>
* libgfortran.h: Include stdbool.h.
(enum try): Remove.
(notify_std): Change return type to bool.
* intrinsics/chmod.c: Don't include stdbool.h.
* intrinsics/execute_command_line.c: Likewise.
* io/format.c: Likewise.
* io/list_read.c (nml_parse_qualifier): Change return type to bool.
(nml_read_obj): Likewise.
(nml_get_obj_data): Likewise.
* io/transfer.c (read_block_form): Fix comment.
(write_buf): Change return type to bool.
* io/write.c: Don't include stdbool.h.
* io/write_float.def (output_float): Change return type to bool.
(output_float_FMT_G_ ## x): Change type of result variable.
* runtime/error.c (notify_std): Change return type to bool.
From-SVN: r196791
2013-02-06 Janus Weil <janus@gcc.gnu.org>
PR fortran/55978
* runtime/in_pack_generic.c (internal_pack): Return if base_addr is
NULL.
2013-02-06 Janus Weil <janus@gcc.gnu.org>
PR fortran/55978
* gfortran.dg/class_optional_2.f90: Uncomment some cases which work now.
From-SVN: r195814
2013-01-23 Janne Blomqvist <jb@gcc.gnu.org>
* io/file_pos.c (unformatted_backspace): Use __builtin_bswapXX
instead of reverse_memcpy.
* io/io.h (reverse_memcpy): Remove prototype.
* io/transfer.c (reverse_memcpy): Make static, move towards
beginning of file.
(bswap_array): New function.
(unformatted_read): Use bswap_array to byte swap the data
in-place.
(unformatted_write): Use a larger temp buffer and bswap_array.
(us_read): Use __builtin_bswapXX instead of reverse_memcpy.
(write_us_marker): Likewise.
From-SVN: r195413
2013-01-02 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libfortran/55818
* io/list_read.c (read_real): Do not call hit_eof when EOF can be
treated as a value separator.
(parse_real): Likewise.
(read_logical): Likewise.
(read_character): Likewise.
(read_complex): Likewise.
From-SVN: r194809
2012-12-27 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libfortran/48976
* io/inquire.c (inquire_via_unit): Set user stream inquiry variable to
appropriate value based on unit access method. (inquire_via_filename):
Since filename is not associated with an open unit, set stream inquiry
to UNKNOWN.
* io/io.h: Define inquire stream parameters.
From-SVN: r194733
2012-12-26 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libfortran/48960
* io/open.c (st_parameter_open): Assign newunit number to user
variable only if the the associated open statement is successful.
From-SVN: r194724
2012-12-21 Thomas Koenig <tkoenig@gcc.gnu.org>
PR libfortran/30162
* io/unix.c (raw_tell): If the lseek is done on a
non-seekable file, return 0.
From-SVN: r194679
2012-12-19 Paul Thomas <pault@gcc.gnu.org>
* array.c (resolve_array_list): Apply C4106.
* check.c (gfc_check_same_type_as): Exclude polymorphic
entities from check for extensible types. Improved error
for disallowed argument types to name the offending type.
* class.c : Update copyright date.
(gfc_class_null_initializer): Add argument for initialization
expression and deal with unlimited polymorphic typespecs.
(get_unique_type_string): Give unlimited polymorphic
entities a type string.
(gfc_intrinsic_hash_value): New function.
(gfc_build_class_symbol): Incorporate unlimited polymorphic
entities.
(gfc_find_derived_vtab): Deal with unlimited polymorphic
entities.
(gfc_find_intrinsic_vtab): New function.
* decl.c (gfc_match_decl_type_spec): Match typespec for
unlimited polymorphic type.
(gfc_match_data_decl): Skip to 'ok' if unlimited polymorphic.
expr.c (gfc_check_pointer_assign): Apply C717. If unlimited
polymorphic lvalue, find rvalue vtable for all typespecs,
except unlimited polymorphic expressions.
(gfc_check_vardef_context): Handle unlimited polymorphic
entities.
* gfortran.h : Add unlimited polymorphic attribute. Add
second arg to gfc_class_null_initializer primitive and
primitive for gfc_find_intrinsic_vtab. Add UNLIMITED_POLY
to detect unlimited polymorphic expressions.
* interface.c (gfc_compare_types): If expr1 is unlimited
polymorphic, always return 1. If expr2 is unlimited polymorphic
enforce C717.
(gfc_compare_interfaces): Skip past conditions that do not
apply for unlimited polymorphic entities.
(compare_parameter): Make sure that an unlimited polymorphic,
allocatable or pointer, formal argument is matched by an
unlimited polymorphic actual argument.
(compare_actual_formal): Ensure that an intrinsic vtable exists
to match an unlimited polymorphic formal argument.
* match.c (gfc_match_allocate): Type kind parameter does not
need to match an unlimited polymorphic allocate-object.
(alloc_opt_list): An unlimited polymorphic allocate-object
requires a typespec or a SOURCE tag.
(select_intrinsic_set_tmp): New function.
(select_type_set_tmp): Call new function. If it returns NULL,
build a derived type or class temporary instead.
(gfc_match_type_is): Remove restriction to derived types only.
Bind(C) or sequence derived types not permitted.
* misc (gfc_typename): Printed CLASS(*) for unlimited
polymorphism.
* module.c : Add AB_UNLIMITED_POLY to pass unlimited
polymorphic attribute to and from modules.
* resolve.c (resolve_common_vars): Unlimited polymorphic
entities cannot appear in common blocks.
(resolve_deallocate_expr): Deallocate unlimited polymorphic
enities.
(resolve_allocate_expr): Likewise for allocation. Make sure
vtable exists.
(gfc_type_is_extensible): Unlimited polymorphic entities are
not extensible.
(resolve_select_type): Handle unlimited polymorphic selectors.
Ensure that length type parameters are assumed and that names
for intrinsic types are generated.
(resolve_fl_var_and_proc): Exclude select type temporaries
from test of extensibility of type.
(resolve_fl_variable): Likewise for test that assumed character
length must be a dummy or a parameter.
(resolve_fl_derived0): Return SUCCESS unconditionally for
unlimited polymorphic entities. Also, allow unlimited
polymorphic components.
(resolve_fl_derived): Return SUCCESS unconditionally for
unlimited polymorphic entities.
(resolve_symbol): Return early with unlimited polymorphic
entities.
* simplifiy.c : Update copyright year.
(gfc_simplify_extends_type_of): No simplification possible
for unlimited polymorphic arguments.
* symbol.c (gfc_use_derived): Nothing to do for unlimited
polymorphic "derived type".
(gfc_type_compatible): Return unity if ts1 is unlimited
polymorphic.
* trans-decl.c (create_function_arglist) Formal arguments
without a character length should be treated in the same way
as passed lengths.
(gfc_trans_deferred_vars): Nullify the vptr of unlimited
polymorphic pointers. Avoid unlimited polymorphic entities
triggering gcc_unreachable.
* trans-expr.c (gfc_conv_intrinsic_to_class): New function.
(gfc_trans_class_init_assign): Make indirect reference of
src.expr.
(gfc_trans_class_assign): Expression NULL of unknown type
should set NULL vptr on lhs. Treat C717 cases where lhs is
a derived type and the rhs is unlimited polymorphic.
(gfc_conv_procedure_call): Handle the conversion of a non-class
actual argument to match an unlimited polymorphic formal
argument. Suppress the passing of a character string length
in this case. Make sure that calls to the character __copy
function have two character string length arguments.
(gfc_conv_initializer): Pass the initialization expression to
gfc_class_null_initializer.
(gfc_trans_subcomponent_assign): Ditto.
(gfc_conv_structure): Move handling of _size component.
trans-intrinsic.c: (gfc_conv_same_type_as): Handle conditions
where unlimited polymorphic arguments have null vptr.
* trans-stmt.c (trans_associate_var): Correctly treat array
temporaries associated with unlimited polymorphic selectors.
Recover the overwritten dtype for the descriptor. Use the _size
field of the vptr for character string lengths.
(gfc_trans_allocate): Cope with unlimited polymorphic allocate
objects; especially with character source tags.
(reset_vptr): New function.
(gfc_trans_deallocate): Call it.
* trans-types.c (gfc_get_derived_type): Detect unlimited
polymorphic types and deal with cases where the derived type of
components is null.
* trans.c : Update copyright year.
(trans_code): Call gfc_trans_class_assign for C717 cases where
the lhs is not unlimited polymorphic.
2012-12-19 Paul Thomas <pault@gcc.gnu.org>
* intrinsics/extends_type_of.c : Return correct results for
null vptrs.
2012-12-19 Paul Thomas <pault@gcc.gnu.org>
* gfortran.dg/unlimited_polymorphic_1.f03: New test.
* gfortran.dg/unlimited_polymorphic_2.f03: New test.
* gfortran.dg/unlimited_polymorphic_3.f03: New test.
* gfortran.dg/same_type_as.f03: Correct for improved message.
From-SVN: r194622
2012-12-03 Janus Weil <janus@gcc.gnu.org>
PR fortran/55548
* intrinsics/system_clock.c (gf_gettime_mono): Add argument 'tck',
which returns the clock resolution.
(system_clock_4): Get resolution from gf_gettime_mono, but limit to
1000/s.
(system_clock_8): Get resolution from gf_gettime_mono.
2012-12-03 Janus Weil <janus@gcc.gnu.org>
PR fortran/55548
* intrinsic.texi (SYSTEM_CLOCK): Update documentation of SYSTEM_CLOCK.
From-SVN: r194105
2012-10-06 Thomas König <tkoenig@gcc.gnu.org>
PR libfortran/54736
* runtime/environ.c (search_unit): Correct logic
for binary search.
(mark_single): Fix index errors.
From-SVN: r192158
