2008-08-22 Daniel Kraft <d@domob.eu>
PR fortran/32095
PR fortran/34228
* gfortran.h (in_prefix): New global.
(gfc_check_symbol_typed), (gfc_check_expr_typed): New methods.
* array.c (match_array_element_spec): Check that bounds-expressions
don't have symbols not-yet-typed in them.
* decl.c (var_element): Check that variable used is already typed.
(char_len_param_value): Check that expression does not contain
not-yet-typed symbols.
(in_prefix): New global.
(gfc_match_prefix): Record using `in_prefix' if we're at the moment
parsing a prefix or not.
* expr.c (gfc_expr_check_typed): New method.
* parse.c (verify_st_order): New argument to disable error output.
(check_function_result_typed): New helper method.
(parse_spec): Check that the function-result declaration, if given in
a prefix, contains no not-yet-typed symbols when the IMPLICIT rules are
parsed.
* symbol.c (gfc_check_symbol_typed): Check that a symbol already has
a type associated to it, otherwise use the IMPLICIT rules or signal
an error.
2008-08-22 Daniel Kraft <d@domob.eu>
PR fortran/32095
PR fortran/34228
* gfortran.dg/used_before_typed_1.f90: New test.
* gfortran.dg/used_before_typed_2.f90: New test.
* gfortran.dg/used_before_typed_3.f90: New test.
* gfortran.dg/array_constructor_26.f03: Add -std=gnu to not enable
legacy-behaviour for the new check.
* gfortran.dg/array_constructor_27.f03: Ditto.
* gfortran.dg/blockdata_4.f90: Ditto.
* gfortran.dg/bound_2.f90: Reordered declarations to satisfy the check.
* gfortran.dg/result_in_spec_1.f90: Ditto.
* gfortran.dg/argument_checking_7.f90: Adapted expected error messages.
From-SVN: r139425
2008-07-24 Daniel Kraft <d@domob.eu>
PR fortran/33141
* lang.opt (Wnonstd-intrinsics): Removed option.
(Wintrinsics-std), (Wintrinsic-shadow): New options.
* invoke.texi (Option Summary): Removed -Wnonstd-intrinsics
from the list and added -Wintrinsics-std and -Wintrinsic-shadow.
(Error and Warning Options): Documented the new options and removed
the documentation for -Wnonstd-intrinsics.
* gfortran.h (gfc_option_t): New members warn_intrinsic_shadow and
warn_intrinsics_std, removed warn_nonstd_intrinsics.
(gfc_is_intrinsic): Renamed from gfc_intrinsic_name.
(gfc_warn_intrinsic_shadow), (gfc_check_intrinsic_standard): New.
* decl.c (match_procedure_decl): Replaced gfc_intrinsic_name by
the new name gfc_is_intrinsic.
(warn_intrinsic_shadow): New helper method.
(gfc_match_function_decl), (gfc_match_subroutine): Call the new method
warn_intrinsic_shadow to check the just-parsed procedure.
* expr.c (check_init_expr): Call new gfc_is_intrinsic to check whether
the function called is really an intrinsic in the selected standard.
* intrinsic.c (gfc_is_intrinsic): Renamed from gfc_intrinsic_name and
extended to take into account the selected standard settings when trying
to find out whether a symbol is an intrinsic or not.
(gfc_check_intrinsic_standard): Made public and extended.
(gfc_intrinsic_func_interface), (gfc_intrinsic_sub_interface): Removed
the calls to check_intrinsic_standard, this check now happens inside
gfc_is_intrinsic.
(gfc_warn_intrinsic_shadow): New method defined.
* options.c (gfc_init_options): Initialize new warning flags to false
and removed intialization of Wnonstd-intrinsics flag.
(gfc_post_options): Removed logic for Wnonstd-intrinsics flag.
(set_Wall): Set new warning flags and removed Wnonstd-intrinsics flag.
(gfc_handle_option): Handle the new flags and removed handling of the
old Wnonstd-intrinsics flag.
* primary.c (gfc_match_rvalue): Replaced call to gfc_intrinsic_name by
the new name gfc_is_intrinsic.
* resolve.c (resolve_actual_arglist): Ditto.
(resolve_generic_f), (resolve_unknown_f): Ditto.
(is_external_proc): Ditto.
(resolve_generic_s), (resolve_unknown_s): Ditto.
(resolve_symbol): Ditto and ensure for symbols declared INTRINSIC that
they are really available in the selected standard setting.
2008-07-24 Daniel Kraft <d@domob.eu>
PR fortran/33141
* gfortran.dg/intrinsic_shadow_1.f03: New test for -Wintrinsic-shadow.
* gfortran.dg/intrinsic_shadow_2.f03: Ditto.
* gfortran.dg/intrinsic_shadow_3.f03: Ditto.
* gfortran.dg/intrinsic_std_1.f90: New test for -Wintrinsics-std.
* gfortran.dg/intrinsic_std_2.f90: Ditto.
* gfortran.dg/intrinsic_std_3.f90: Ditto.
* gfortran.dg/intrinsic_std_4.f90: Ditto.
* gfortran.dg/warn_std_1.f90: Removed option -Wnonstd-intrinsics.
* gfortran.dg/warn_std_2.f90: Replaced -Wnonstd-intrinsics by
-Wintrinsics-std and adapted expected errors/warnings.
* gfortran.dg/warn_std_3.f90: Ditto.
* gfortran.dg/c_sizeof_2.f90: Adapted expected error/warning message.
* gfortran.dg/gamma_2.f90: Ditto.
* gfortran.dg/selected_char_kind_3.f90: Ditto.
* gfortran.dg/fmt_g0_2.f08: Call with -fall-intrinsics to allow abort.
From-SVN: r138122
2008-06-24 Paul Thomas <pault@gcc.gnu.org>
PR fortran/34371
* expr.c (gfc_check_assign): Change message and locus for
error when conform == 0.
2008-06-24 Paul Thomas <pault@gcc.gnu.org>
PR fortran/36371
* gfortran.dg/data_array_5.f90: New test.
From-SVN: r137088
* intrinsic.c (char_conversions, ncharconv): New static variables.
(find_char_conv): New function.
(add_functions): Add simplification functions for ADJUSTL and
ADJUSTR. Don't check the kind of their argument. Add checking for
LGE, LLE, LGT and LLT.
(add_subroutines): Fix argument type for SLEEP. Fix argument name
for SYSTEM.
(add_char_conversions): New function.
(gfc_intrinsic_init_1): Call add_char_conversions.
(gfc_intrinsic_done_1): Free char_conversions.
(check_arglist): Use kind == 0 as a signal that we don't want
the kind value to be checked.
(do_simplify): Also simplify character functions.
(gfc_convert_chartype): New function
* trans-array.c (gfc_trans_array_ctor_element): Don't force the
use of default character type.
(gfc_trans_array_constructor_value): Likewise.
(get_array_ctor_var_strlen): Use integer kind to build an integer
instead of a character kind!
(gfc_build_constant_array_constructor): Don't force the use of
default character type.
(gfc_conv_loop_setup): Likewise.
* trans-expr.c (gfc_conv_string_tmp): Don't force the use of
default character type. Allocate enough memory for wide strings.
(gfc_conv_concat_op): Make sure operand kind are the same.
(string_to_single_character): Remove gfc_ prefix. Reindent.
Don't force the use of default character type.
(gfc_conv_scalar_char_value): Likewise.
(gfc_build_compare_string): Call string_to_single_character.
(fill_with_spaces): New function
(gfc_trans_string_copy): Add kind arguments. Use them to deal
with wide character kinds.
(gfc_conv_statement_function): Whitespace fix. Call
gfc_trans_string_copy with new kind arguments.
(gfc_conv_substring_expr): Call gfc_build_wide_string_const
instead of using gfc_widechar_to_char.
(gfc_conv_string_parameter): Don't force the use of default
character type.
(gfc_trans_scalar_assign): Pass kind args to gfc_trans_string_copy.
* intrinsic.h (gfc_check_lge_lgt_lle_llt, gfc_convert_char_constant,
gfc_resolve_adjustl, gfc_resolve_adjustr): New prototypes.
* decl.c (gfc_set_constant_character_len): Don't assert the
existence of a single character kind.
* trans-array.h (gfc_trans_string_copy): New prototype.
* gfortran.h (gfc_check_character_range, gfc_convert_chartype):
New prototypes.
* error.c (print_wide_char_into_buffer): New function lifting
code from gfc_print_wide_char. Fix order to output '\x??' instead
of 'x\??'.
(gfc_print_wide_char): Call print_wide_char_into_buffer.
(show_locus): Call print_wide_char_into_buffer with buffer local
to this function.
* trans-const.c (gfc_build_wide_string_const): New function.
(gfc_conv_string_init): Deal with wide characters strings
constructors.
(gfc_conv_constant_to_tree): Call gfc_build_wide_string_const.
* trans-stmt.c (gfc_trans_label_assign): Likewise.
(gfc_trans_character_select): Deal with wide strings.
* expr.c (gfc_check_assign): Allow conversion between character
kinds on assignment.
* trans-const.h (gfc_build_wide_string_const): New prototype.
* trans-types.c (gfc_get_character_type_len_for_eltype,
gfc_get_character_type_len): Create too variants of the old
gfc_get_character_type_len, one getting kind argument and the
other one directly taking a type tree.
* trans.h (gfor_fndecl_select_string_char4,
gfor_fndecl_convert_char1_to_char4,
gfor_fndecl_convert_char4_to_char1): New prototypes.
* trans-types.h (gfc_get_character_type_len_for_eltype): New
prototype.
* resolve.c (resolve_operator): Exit early when kind mismatches
are detected, because that makes us issue an error message later.
(validate_case_label_expr): Fix wording of error message.
* iresolve.c (gfc_resolve_adjustl, gfc_resolve_adjustr): New
functions.
(gfc_resolve_pack): Call _char4 variants of library function
when dealing with wide characters.
(gfc_resolve_reshape): Likewise.
(gfc_resolve_spread): Likewise.
(gfc_resolve_transpose): Likewise.
(gfc_resolve_unpack): Likewise.
* target-memory.c (size_character): Take character kind bit size
correctly into account (not that it changes anything for now, but
it's more generic).
(gfc_encode_character): Added gfc_ prefix. Encoding each
character of a string by calling native_encode_expr for the
corresponding unsigned integer.
(gfc_target_encode_expr): Add gfc_ prefix to encode_character.
* trans-decl.c (gfc_build_intrinsic_function_decls): Build
gfor_fndecl_select_string_char4, gfor_fndecl_convert_char1_to_char4
and gfor_fndecl_convert_char4_to_char1.
* target-memory.h (gfc_encode_character): New prototype.
* arith.c (gfc_check_character_range): New function.
(eval_intrinsic): Allow non-default character kinds.
* check.c (gfc_check_access_func): Only allow default
character kind arguments.
(gfc_check_chdir): Likewise.
(gfc_check_chdir_sub): Likewise.
(gfc_check_chmod): Likewise.
(gfc_check_chmod_sub): Likewise.
(gfc_check_lge_lgt_lle_llt): New function.
(gfc_check_link): Likewise.
(gfc_check_link_sub): Likewise.
(gfc_check_symlnk): Likewise.
(gfc_check_symlnk_sub): Likewise.
(gfc_check_rename): Likewise.
(gfc_check_rename_sub): Likewise.
(gfc_check_fgetputc_sub): Likewise.
(gfc_check_fgetput_sub): Likewise.
(gfc_check_stat): Likewise.
(gfc_check_stat_sub): Likewise.
(gfc_check_date_and_time): Likewise.
(gfc_check_ctime_sub): Likewise.
(gfc_check_fdate_sub): Likewise.
(gfc_check_gerror): Likewise.
(gfc_check_getcwd_sub): Likewise.
(gfc_check_getarg): Likewise.
(gfc_check_getlog): Likewise.
(gfc_check_hostnm): Likewise.
(gfc_check_hostnm_sub): Likewise.
(gfc_check_ttynam_sub): Likewise.
(gfc_check_perror): Likewise.
(gfc_check_unlink): Likewise.
(gfc_check_unlink_sub): Likewise.
(gfc_check_system_sub): Likewise.
* primary.c (got_delim): Perform correct character range checking
for all kinds.
* trans-intrinsic.c (gfc_conv_intrinsic_conversion): Generate
calls to library functions convert_char4_to_char1 and
convert_char1_to_char4 for character conversions.
(gfc_conv_intrinsic_char): Allow all character kings.
(gfc_conv_intrinsic_strcmp): Fix whitespace.
(gfc_conv_intrinsic_repeat): Take care of all character kinds.
* intrinsic.texi: For all GNU intrinsics accepting character
arguments, mention that they're restricted to the default kind.
* simplify.c (simplify_achar_char): New function.
(gfc_simplify_achar, gfc_simplify_char): Call simplify_achar_char.
gfc_simplify_ichar): Don't error out for wide characters.
(gfc_convert_char_constant): New function.
* gfortran.dg/achar_3.f90: Adjust error messages.
* gfortran.dg/achar_5.f90: New test.
* gfortran.dg/achar_6.F90: New test.
* gfortran.dg/widechar_1.f90: New test.
* gfortran.dg/widechar_2.f90: New test.
* gfortran.dg/widechar_3.f90: New test.
* gfortran.dg/widechar_4.f90: New test.
* gfortran.dg/widechar_intrinsics_1.f90: New test.
* gfortran.dg/widechar_intrinsics_2.f90: New test.
* gfortran.dg/widechar_intrinsics_3.f90: New test.
* gfortran.dg/widechar_intrinsics_4.f90: New test.
* gfortran.dg/widechar_intrinsics_5.f90: New test.
* gfortran.dg/widechar_select_1.f90: New test.
* gfortran.dg/widechar_select_2.f90: New test.
From-SVN: r135515
2008-05-16 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR fortran/34325
* decl.c (match_attr_spec): Check for matching pairs of parenthesis.
* expr.c (gfc_specification_expr): Supplement the error message with the
type that was found.
* resolve.c (gfc_resolve_index): Likewise.
* match.c (gfc_match_parens): Clarify error message with "at or before".
(gfc_match_do): Check for matching pairs of parenthesis.
From-SVN: r135428
2008-04-15 Paul Thomas <pault@gcc.gnu.org>
PR fortran/35864
* expr.c (scalarize_intrinsic_call): Reorder identification of
array argument so that if one is not found a segfault does not
occur. Return FAILURE if all scalar arguments.
From-SVN: r134329
2008-02-29 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR fortran/35059
* expr.c (find_array_element): Modify traversing the constructor to
avoid trying to access NULL memory pointed to by next for the
last element. (find_array_section): Exit while loop if cons->next is
NULL.
* trans-expr.c (gfc_conv_scalar_char_value): Initialize gfc_typespec.
(gfc_conv_function_call): Same.
* decl.c (gfc_match_implicit): Same.
* trans-intrinsic.c (gfc_conv_intrinsic_sr_kind): Same.
From-SVN: r132782
2008-02-19 Daniel Franke <franke.daniel@gmail.com>
PR fortran/35030
* expr.c (gfc_check_pointer_assign): Add type and kind information
to type-mismatch message.
(gfc_check_assign): Unify error messages.
From-SVN: r132442
2008-01-31 Paul Thomas <pault@gcc.gnu.org>
PR fortran/34910
* expr.c (gfc_check_assign): It is an error to assign
to a sibling procedure.
2008-01-31 Paul Thomas <pault@gcc.gnu.org>
PR fortran/34910
* gfortran.dg/proc_assign_2.f90: New test.
From-SVN: r131985
2008-01-08 Paul Thomas <pault@gcc.gnu.org>
PR fortran/34476
* expr.c (find_array_element): Check that the array bounds are
constant before using them. Use lower, as well as upper bound.
(check_restricted): Allow implied index variable.
2008-01-08 Paul Thomas <pault@gcc.gnu.org>
PR fortran/34476
* gfortran.dg/parameter_array_init_3.f90: New test.
From-SVN: r131396
gcc/fortran:
2007-12-19 Daniel Franke <franke.daniel@gmail.com>
PR fortran/34495
* expr.c (check_init_expr): Check whether variables with flavor
FL_PARAMETER do have a value assigned. Added error messages where
appropriate.
* simplify.c (gfc_simplify_transfer): Added check if the MOLD
argument is a constant if working with initialization
expressions.
gcc/testsuite:
2007-12-19 Daniel Franke <franke.daniel@gmail.com>
PR fortran/34495
* gfortran.dg/transfer_simplify_2.f90: Fixed invalid initialization
expressions.
* gfortran.dg/transfer_simplify_7.f90: New test.
From-SVN: r131047
2007-12-09 Paul Thomas <pault@gcc.gnu.org>
PR fortran/32129
* dump-parse-tree.c (gfc_show_expr_n): New function for
debugging.
* gfortran.h : Add prototype for gfc_show_expr_n.
* expr.c (simplify_constructor): Copy the constructor
expression and try to simplify that. If success, replace the
original. Otherwise discard the copy, keep going through
the structure and return success.
PR fortran/31487
* decl.c (build_struct): Pad out default initializers with
spaces to the component character length.
2007-12-09 Paul Thomas <pault@gcc.gnu.org>
PR fortran/32129
* gfortran.dg/derived_comp_array_ref_6.f90: New test.
* gfortran.dg/derived_comp_array_ref_7.f90: New test.
PR fortran/31487
* gfortran.dg/char_component_initializer_1.f90: New test.
From-SVN: r130719
2007-11-27 Paul Thomas <pault@gcc.gnu.org>
PR fortran/29389
*resolve.c (resolve_ordinary_assign): Use find_sym_in_expr to
test if a temporary should be written for a vector subscript
on the lhs.
PR fortran/33850
* restore.c (pure_stmt_function): Add prototype and new
function. Calls impure_stmt_fcn.
(pure_function): Call it.
(impure_stmt_fcn): New function.
* expr.c (gfc_traverse_expr): Call *func for all expression
types, not just variables. Add traversal of character lengths,
iterators and component character lengths and arrayspecs.
(expr_set_symbols_referenced): Return false if not a variable.
* trans-stmt.c (forall_replace, forall_restore): Ditto.
* resolve.c (forall_index): Ditto.
(sym_in_expr): New function.
(find_sym_in_expr): Rewrite to traverse expression calling
sym_in_expr.
*trans-decl.c (expr_decls): New function.
(generate_expr_decls): Rewrite to traverse expression calling
expr_decls.
*match.c (check_stmt_fcn): New function.
(recursive_stmt_fcn): Rewrite to traverse expression calling
check_stmt_fcn.
2007-11-27 Paul Thomas <pault@gcc.gnu.org>
PR fortran/29389
* gfortran.dg/stfunc_6.f90: New test.
PR fortran/33850
* gfortran.dg/assign_10.f90: New test.
From-SVN: r130472
2007-10-29 Paul Thomas <pault@gcc.gnu.org>
PR fortran/31217
PR fortran/33811
PR fortran/33686
* trans-array.c (gfc_conv_loop_setup): Send a complete type to
gfc_trans_create_temp_array if the temporary is character.
* trans-stmt.c (gfc_trans_assign_need_temp): Do likewise for
allocate_temp_for_forall_nest.
(forall_replace): New function.
(forall_replace_symtree): New function.
(forall_restore): New function.
(forall_restore_symtree): New function.
(forall_make_variable_temp): New function.
(check_forall_dependencies): New function.
(cleanup_forall_symtrees): New function.
gfc_trans_forall_1): Add and initialize pre and post blocks.
Call check_forall_dependencies to check for all dependencies
and either trigger second forall block to copy temporary or
copy lval, outside the forall construct and replace all
dependent references. After assignment clean-up and coalesce
the blocks at the end of the function.
* gfortran.h : Add prototypes for gfc_traverse_expr and
find_forall_index.
expr.c (gfc_traverse_expr): New function to traverse expression
and visit all subexpressions, under control of a logical flag,
a symbol and an integer pointer. The slave function is caller
defined and is only called on EXPR_VARIABLE.
(expr_set_symbols_referenced): Called by above to set symbols
referenced.
(gfc_expr_set_symbols_referenced): Rework of this function to
use two new functions above.
* resolve.c (find_forall_index): Rework with gfc_traverse_expr,
using forall_index.
(forall_index): New function used by previous.
* dependency.c (gfc_check_dependency): Use gfc_dep_resolver for
all references, not just REF_ARRAY.
(gfc_dep_resolver): Correct the logic for substrings so that
overlapping arrays are handled correctly.
2007-10-29 Paul Thomas <pault@gcc.gnu.org>
PR fortran/31217
PR fortran/33811
* gfortran.dg/forall_12.f90: New test.
PR fortran/33686
* gfortran.dg/forall_13.f90: New test.
From-SVN: r129720
2007-10-17 Christopher D. Rickett <crickett@lanl.gov>
PR fortran/33760
* symbol.c (gen_special_c_interop_ptr): Remove code to create
constructor for c_null_ptr and c_null_funptr with value of 0.
* expr.c (check_init_expr): Prevent check on constructors for
iso_c_binding derived types.
* resolve.c (resolve_structure_cons): Verify that the user isn't
trying to invoke a structure constructor for one of the
iso_c_binding derived types.
2007-10-17 Christopher D. Rickett <crickett@lanl.gov>
PR fortran/33760
* gfortran.dg/c_ptr_tests_13.f03: New test case.
From-SVN: r129402
2007-10-12 Paul Thomas <pault@gcc.gnu.org>
PR fortran/33664
* expr.c (gfc_specification_expr): If a function is not
external, intrinsic or pure is an error. Set the symbol pure
to prevent repeat errors.
2007-10-12 Paul Thomas <pault@gcc.gnu.org>
PR fortran/33664
* gfortran.dg/impure_spec_expr_1.f90: New test.
* gfortran.dg/char_result_7.f90: Remove illegal test.
From-SVN: r129267
2007-09-16 Paul Thomas <pault@gcc.gnu.org>
PR fortran/29396
PR fortran/29606
PR fortran/30625
PR fortran/30871
* trans.h : Add extra argument to gfc_build_array_ref. Rename
gfc_conv_aliased_arg to gfc_conv_subref_array_arg. Move
prototype of is_aliased_array to gfortran.h and rename it
gfc_is_subref_array. Add field span to lang_decl, add a new
decl lang specific flag accessed by GFC_DECL_SUBREF_ARRAY_P
and a new type flag GFC_DECL_SUBREF_ARRAY_P.
* trans.c (gfc_build_array_ref): Add the new argument, decl.
If this is a subreference array pointer, use the lang_decl
field 'span' to calculate the offset in bytes and use pointer
arithmetic to address the element.
* trans-array.c (gfc_conv_scalarized_array_ref,
gfc_conv_array_ref): Add the backend declaration as the third
field, if it is likely to be a subreference array pointer.
(gfc_conv_descriptor_dimension, gfc_trans_array_ctor_element,
gfc_trans_array_constructor_element, structure_alloc_comps,
gfc_conv_array_index_offset): For all other references to
gfc_build_array_ref, set the third argument to NULL.
(gfc_get_dataptr_offset): New function.
(gfc_conv_expr_descriptor): If the rhs of a pointer assignment
is a subreference array, then calculate the offset to the
subreference of the first element and set the descriptor data
pointer to this, using gfc_get_dataptr_offset.
trans-expr.c (gfc_get_expr_charlen): Use the expression for the
character length for a character subreference.
(gfc_conv_substring, gfc_conv_subref_array_arg): Add NULL for
third argument in call to gfc_build_array_ref.
(gfc_conv_aliased_arg): Rename to gfc_conv_subref_array_arg.
(is_aliased_array): Remove.
(gfc_conv_function_call): Change reference to is_aliased_array
to gfc_is_subref_array and reference to gfc_conv_aliased_arg to
gfc_conv_subref_array_arg.
(gfc_trans_pointer_assignment): Add the array element length to
the lang_decl 'span' field.
* gfortran.h : Add subref_array_pointer to symbol_attribute and
add the prototype for gfc_is_subref_array.
* trans-stmt.c : Add NULL for third argument in all references
to gfc_build_array_ref.
* expr.c (gfc_is_subref_array): Renamed is_aliased_array.
If this is a subreference array pointer, return true.
(gfc_check_pointer_assign): If the rhs is a subreference array,
set the lhs subreference_array_pointer attribute.
* trans-decl.c (gfc_get_symbol_decl): Allocate the lang_decl
field if the symbol is a subreference array pointer and set an
initial value of zero for the 'span' field.
* trans-io.c (set_internal_unit): Refer to is_subref_array and
gfc_conv_subref_array_arg.
(nml_get_addr_expr): Add NULL third argument to
gfc_build_array_ref.
(gfc_trans_transfer): Use the scalarizer for a subreference
array.
2007-09-16 Paul Thomas <pault@gcc.gnu.org>
PR fortran/29396
PR fortran/29606
PR fortran/30625
PR fortran/30871
* gfortran.dg/subref_array_pointer_1.f90: New test.
* gfortran.dg/subref_array_pointer_2.f90: New test.
From-SVN: r128523
fortran/
* dump-parse-tree.c (show_char_const): New function.
(gfc_show_expr): Use it.
* expr.c (find_substring_ref): Rework to not keep characters
dangling beyond end of string.
testsuite/
* gfortran.dg/substr_6.f90: New test.
From-SVN: r128027
2007-08-18 Paul Thomas <pault@gcc.gnu.org>
PR fortran/32881
* expr.c (gfc_check_pointer_assign): If the rhs is the
initialization expression for the rhs, there is no error.
2007-08-18 Paul Thomas <pault@gcc.gnu.org>
PR fortran/32881
* gfortran.dg/pure_initializer_1.f90: New test.
From-SVN: r127611
PR fortran/32594
* trans-expr.c (gfc_conv_substring_expr): Only call
gfc_conv_substring if expr->ref is not NULL.
* expr.c (gfc_is_constant_expr): If e->ref is NULL, the substring
expression might be a constant.
(gfc_simplify_expr): Handle missing start and end, as well as
missing ref.
* gfortran.dg/substr_5.f90: New test.
From-SVN: r127478
gcc/fortran:
2007-08-01 Daniel Franke <franke.daniel@gmail.com>
PR fortran/32945
* expr.c (check_specification_function): Skip check if no symtree
is available.
gcc/testsuite:
2007-08-01 Daniel Franke <franke.daniel@gmail.com>
PR fortran/32945
* gfortran.dg/initialization_12.f90: New test.
From-SVN: r127124
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
2007-06-22 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR fortran/32360
* expr.c (gfc_check_assign): If the rvalue expression type is NULL_EXPR,
check to see if the lvalue has attribute pointer and data.
From-SVN: r125949
* gfortran.h (gfc_expr): Remove from_H, add "representation"
struct.
* primary.c (match_hollerith_constant): Store the representation
of the Hollerith in representation, not in value.character.
* arith.c: Add dependency on target-memory.h.
(eval_intrinsic): Remove check for from_H.
(hollerith2representation): New function.
(gfc_hollerith2int): Determine value of the new constant.
(gfc_hollerith2real): Likewise.
(gfc_hollerith2complex): Likewise.
(gfc_hollerith2logical): Likewise.
(gfc_hollerith2character): Point both representation.string and
value.character.string at the value string.
* data.c (create_character_initializer): For BT_HOLLERITH
rvalues, get the value from the representation rather than
value.character.
* expr.c (free_expr0): Update handling of BT_HOLLERITH values
and values with representation.string.
(gfc_copy_expr): Likewise.
* intrinsic.c (do_simplify): Remove special treatement of
variables resulting from Hollerith constants.
* dump-parse-trees.c (gfc_show_expr): Update handling of
Holleriths.
* trans-const.c (gfc_conv_constant_to_tree): Replace from_H
check with check for representation.string; get Hollerith
representation from representation.string, not value.character.
* trans-expr.c (is_zero_initializer_p): Replace from_H check
with check for representation.string.
* trans-stmt.c (gfc_trans_integer_select): Use
gfc_conv_mpz_to_tree for case values, so as to avoid picking up
the memory representation if the case is given by a transfer
expression.
* target-memory.c (gfc_target_encode_expr): Use the known memory
representation rather than the value, if it exists.
(gfc_target_interpret_expr): Store the memory representation of
the interpreted expression as well as its value.
(interpret_integer): Move to gfc_interpret_integer, make
non-static.
(interpret_float): Move to gfc_interpret_float, make non-static.
(interpret_complex): Move to gfc_interpret_complex, make
non-static.
(interpret_logical): Move to gfc_interpret_logical, make
non-static.
(interpret_character): Move to gfc_interpret_character, make
non-static.
(interpret_derived): Move to gfc_interpret_derived, make
non-static.
* target-memory.h: Add prototypes for newly-exported
gfc_interpret_* functions.
From-SVN: r125135
