2006-10-05 Erik Edelmann <edelmann@gcc.gnu.org>
Paul Thomas <pault@gcc.gnu.org>
PR fortran/20541
* interface.c (gfc_compare_derived_types): Add comparison of
the allocatable field.
* intrinsic.c (add_subroutines): Add MOVE_ALLOC.
* trans-expr.c (gfc_conv_aliased_arg, gfc_trans_subarray_assign,
gfc_trans_subcomponent_assign, gfc_conv_string_parameter,
gfc_trans_scalar_assign): Add extra arguments l_is_temp
and r_is_var to references to latter function.
(gfc_conv_function_call): Add enum for types of argument and
an associated variable parm_kind. Deallocate components of
INTENT(OUT) and non-variable arrays.
(gfc_trans_subcomponent_assign): Add block to assign arrays
to allocatable components.
(gfc_trans_scalar_assign): Add block to handle assignments of
derived types with allocatable components, using the above new
arguments to control allocation/deallocation of memory and the
copying of allocated arrays.
* trans-array.c (gfc_array_allocate): Remove old identification
of pointer and replace with that of an allocatable array. Add
nullify of structures with allocatable components.
(gfc_conv_array_initializer): Treat EXPR_NULL.
(gfc_conv_array_parameter): Deallocate allocatable components
of non-variable structures.
(gfc_trans_dealloc_allocated): Use second argument of library
deallocate to inhibit, without error, freeing NULL pointers.
(get_full_array_size): New function to return the size of a
full array.
(gfc_duplicate_allocatable): New function to allocate and copy
allocated data.
(structure_alloc_comps): New recursive function to deallocate,
nullify or copy allocatable components.
(gfc_nullify_alloc_comp, gfc_deallocate_alloc_comp,
gfc_copy_alloc_comp): New interface functions to call previous.
(gfc_trans_deferred_array): Add the code to nullify allocatable
components, when entering scope, and to deallocate them on
leaving. Do not call gfc_trans_static_array_pointer and return
for structures with allocatable components and default
initializers.
* symbol.c (gfc_set_component_attr): Set allocatable field.
(gfc_get_component_attr): Set the allocatable attribute.
* intrinsic.h : Prototype for gfc_check_move_alloc.
* decl.c (build_struct): Apply TR15581 constraints for
allocatable components.
(variable_decl): Default initializer is always NULL for
allocatable components.
(match_attr_spec): Allow, or not, allocatable components,
according to the standard in force.
* trans-array.h : Prototypes for gfc_nullify_alloc_comp,
gfc_deallocate_alloc_comp, gfc_copy_alloc_comp and
gfc_duplicate_allocatable.
* gfortran.texi : Add mention of TR15581 extensions.
* gfortran.h : Add attribute alloc_comp, add
gfc_components field allocatable and add the prototype
for gfc_expr_to_initialize.
* trans-stmt.c (generate_loop_for_temp_to_lhs,
generate_loop_for_rhs_to_temp, gfc_trans_where_assign,
gfc_trans_where_3): Add extra arguments to calls to
gfc_trans_scalar_assign and set appropriately.
(gfc_trans_allocate): Nullify allocatable components.
(gfc_trans_deallocate): Deallocate to ultimate allocatable
components but stop at ultimate pointer components.
* module.c (mio_symbol_attribute, mio_symbol_attribute,
mio_component): Add module support for allocatable
components.
* trans-types.c (gfc_get_derived_type): Treat allocatable
components.
* trans.h : Add two boolean arguments to
gfc_trans_scalar_assign.
* resolve.c (resolve_structure_cons): Check conformance of
constructor element and the component.
(resolve_allocate_expr): Add expression to nullify the
constructor expression for allocatable components.
(resolve_transfer): Inhibit I/O of derived types with
allocatable components.
(resolve_fl_derived): Skip check of bounds of allocatable
components.
* trans-decl.c (gfc_get_symbol_decl): Add derived types
with allocatable components to deferred variable.
(gfc_trans_deferred_vars): Make calls for derived types
with allocatable components to gfc_trans_deferred_array.
(gfc_generate_function_code): Nullify allocatable
component function result on entry.
* parse.c (parse_derived): Set symbol attr.allocatable if
allocatable components are present.
* check.c (gfc_check_allocated): Enforce attr.allocatable
for intrinsic arguments.
(gfc_check_move_alloc): Check arguments of move_alloc.
* primary.c (gfc_variable_attr): Set allocatable attribute.
* intrinsic.texi : Add index entry and section for
for move_alloc.
PR fortran/29115
* resolve.c (resolve_structure_cons): It is an error if the
pointer component elements of a derived type constructor are
not pointer or target.
PR fortran/29211
* trans-stmt.c (generate_loop_for_temp_to_lhs,
generate_loop_for_rhs_to_temp): Provide a string length for
the temporary by copying that of the other side of the scalar
assignment.
2006-10-05 Paul Thomas <pault@gcc.gnu.org>
Erik Edelmann <edelmann@gcc.gnu.org>
PR libgfortran/20541
* Makefile.in : Add move_alloc.
* intrinsics/move_alloc.c: New function.
* Makefile.am : Add move_alloc.
2006-10-05 Erik Edelmann <edelmann@gcc.gnu.org>
Paul Thomas <pault@gcc.gnu.org>
PR fortran/20541
* gfortran.dg/alloc_comp_basics_1.f90: New test.
* gfortran.dg/alloc_comp_basics_2.f90: New test.
* gfortran.dg/alloc_comp_assign_1.f90: New test.
* gfortran.dg/alloc_comp_assign_2.f90: New test.
* gfortran.dg/alloc_comp_assign_3.f90: New test.
* gfortran.dg/alloc_comp_assign_4.f90: New test.
* gfortran.dg/alloc_comp_constraint_1.f90: New test.
* gfortran.dg/alloc_comp_constraint_2.f90: New test.
* gfortran.dg/alloc_comp_constraint_3.f90: New test.
* gfortran.dg/alloc_comp_constructor_1.f90: New test.
* gfortran.dg/alloc_comp_constructor_2.f90: New test.
* gfortran.dg/alloc_comp_initializer_1.f90: New test.
* gfortran.dg/alloc_comp_std.f90: New test.
* gfortran.dg/move_alloc.f90: New test.
PR fortran/29115
* gfortran.dg/derived_constructor_comps_2.f90: New test.
PR fortran/29211
* gfortran.dg/forall_char_dependencies_1.f90: New test.
From-SVN: r117558
PR fortran/29210
* primary.c (match_sym_complex_part): Named constants as real or
imaginary part of complex a named constant are only allowed in
Fortran 2003.
* gfortran.dg/complex_parameter_1.f90: New test.
From-SVN: r117368
2006-09-18 Paul Thomas <pault@gcc.gnu.org>
PR fortran/28526
* primary.c (match_variable): If the compiler is in a module
specification block, an interface block or a contains section,
reset host_flag to force the changed symbols mechanism.
PR fortran/29101
* trans-stmt.c (gfc_trans_character_select): Add the post block
for the expression to the main block, after the call to
select_string and the last label.
2006-09-18 Paul Thomas <pault@gcc.gnu.org>
PR fortran/28526
* gfortran.dg/keyword_symbol_1.f90: New test.
* gfortran.dg/spread_shape_1.f90: Add missing warning with
pedantic compilation option.
From-SVN: r117034
2006-08-20 Paul Thomas <pault@gcc.gnu.org>
PR fortran/28601
PR fortran/28630
* gfortran.h : Eliminate gfc_dt_list structure and reference
to it in gfc_namespace.
* resolve.c (resolve_fl_derived): Remove the building of the
list of derived types for the current namespace.
* symbol.c (find_renamed_type): New function to find renamed
derived types by symbol name rather than symtree name.
(gfc_use_derived): Search parent namespace for identical
derived type and use it, even if local version is complete,
except in interface bodies. Ensure that renamed derived types
are found by call to find_renamed_type. Recurse for derived
type components.
(gfc_free_dt_list): Remove.
(gfc_free_namespace): Remove call to previous.
* trans-types.c (copy_dt_decls_ifequal): Remove.
(gfc_get_derived_type): Remove all the paraphenalia for
association of derived types, including calls to previous.
* match.c (gfc_match_allocate): Call gfc_use_derived to
associate any derived types that are being allocated.
PR fortran/20886
* resolve.c (resolve_actual_arglist): The passing of
a generic procedure name as an actual argument is an
error.
PR fortran/28735
* resolve.c (resolve_variable): Check for a symtree before
resolving references.
PR fortran/28762
* primary.c (match_variable): Return MATCH_NO if the symbol
is that of the program.
PR fortran/28425
* trans-expr.c (gfc_trans_subcomponent_assign): Translate
derived type component expressions other than another derived
type constructor.
PR fortran/28496
* expr.c (find_array_section): Correct errors in
the handling of a missing start value for the
index triplet in an array reference.
PR fortran/18111
* trans-decl.c (gfc_build_dummy_array_decl): Before resetting
reference to backend_decl, set it DECL_ARTIFICIAL.
(gfc_get_symbol_decl): Likewise for original dummy decl, when
a copy is made of an array.
(create_function_arglist): Likewise for the _entry paramter
in entry_masters.
(build_entry_thunks): Likewise for dummies in entry thunks.
PR fortran/28600
* trans-decl.c (gfc_get_symbol_decl): Ensure that the
DECL_CONTEXT of the length of a character dummy is the
same as that of the symbol declaration.
PR fortran/28771
* decl.c (add_init_expr_to_sym): Remove setting of charlen for
an initializer of an assumed charlen variable.
PR fortran/28660
* trans-decl.c (generate_expr_decls): New function.
(generate_dependency_declarations): New function.
(generate_local_decl): Call previous if not either a dummy or
a declaration in an entry master.
2006-08-20 Paul Thomas <pault@gcc.gnu.org>
PR fortran/28630
* gfortran.dg/used_types_2.f90: New test.
PR fortran/28601
* gfortran.dg/used_types_3.f90: New test.
PR fortran/20886
* gfortran.dg/generic_actual_arg.f90: New test.
PR fortran/28735
* gfortran.dg/module_private_array_refs_1.f90: New test.
PR fortran/28762
* gfortran.dg/program_name_1.f90: New test.
PR fortran/28425
* gfortran.dg/derived_constructor_comps_1.f90: New test.
PR fortran/28496
* gfortran.dg/array_initializer_2.f90: New test.
PR fortran/18111
* gfortran.dg/unused_artificial_dummies_1.f90: New test.
PR fortran/28600
* gfortran.dg/assumed_charlen_function_4.f90: New test.
PR fortran/28771
* gfortran.dg/assumed_charlen_in_main.f90: New test.
PR fortran/28660
* gfortran.dg/dependent_decls_1.f90: New test.
From-SVN: r116268
2006-05-21 Paul Thomas <pault@gcc.gnu.org>
PR fortran/27613
* primary.c (gfc_match_rvalue): Test if symbol represents a
direct recursive function reference. Error if array valued,
go to function0 otherwise.
2006-05-21 Paul Thomas <pault@gcc.gnu.org>
PR fortran/27613
* gfortran.dg/recursive_reference_1.f90: New test.
From-SVN: r113951
PR fortran/18540
PR fortran/18937
* gfortran.h (BBT_HEADER): Move definition up.
(gfc_st_label): Add BBT_HEADER, remove 'prev' and 'next'.
* io.c (format_asterisk): Adapt initializer.
* resolve.c (resolve_branch): Allow FORTRAN 66 cross-block GOTOs
as extension.
* symbol.c (compare_st_labels): New function.
(gfc_free_st_label, free_st_labels, gfc_get_st_label): Convert to
using balanced binary tree.
* decl.c (match_char_length, gfc_match_old_kind_spec): Do away
with 'cnt'.
(warn_unused_label): Adapt to binary tree.
* match.c (gfc_match_small_literal_int): Only set cnt if non-NULL.
* primary.c (match_kind_param): Do away with cnt.
Also converted the ChangeLog to use latin1 characters.
From-SVN: r109914
PR fortran/25106
* parse.c (next_free): Use new prototype for gfc_match_st_label.
Correctly emit hard error if a label is zero.
* match.c (gfc_match_st_label): Never allow zero as a valid
label.
(gfc_match, gfc_match_do, gfc_match_goto): Use new prototype for
gfc_match_st_label.
* primary.c (): Use new prototype for gfc_match_st_label.
* io.c (): Likewise.
* match.h: Likewise.
From-SVN: r107999
PR fortran/24917
* primary.c (match_boz_constant): Implement postfix BOZ constants;
(match_string_constant): Peek for b, o, z, and x
* gfortran.dg/boz_6.f90: New test.
From-SVN: r107568
PR fortran/23663
* primary.c (match_actual_arg): Handle ENTRY the same way
as FUNCTION.
* gfortran.fortran-torture/execute/entry_11.f90: New test.
From-SVN: r104453
2005-09-09 Paul Thomas <pault@gcc.gnu.org>
PR fortran/18878
* module.c (find_use_name_n): Based on original
find_use_name. Either counts number of use names for a
given real name or returns use name n.
(find_use_name, number_use_names): Interfaces to the
function find_use_name_n.
(read_module): Add the logic and calls to these functions,
so that mutiple reuses of the same real name are loaded.
2005-09-09 Paul Thomas <pault@gcc.gnu.org>
PR fortran/22304
PR fortran/23270
PR fortran/18870
PR fortran/16511
PR fortran/17917
* gfortran.h: Move definition of BLANK_COMMON_NAME from trans-
common.c so that it is accessible to module.c. Add common_head
field to gfc_symbol structure. Add field for the equivalence
name AND new attr field, in_equivalence.
* match.c (gfc_match_common, gfc_match_equivalence): In loops
that flag common block equivalences, emit an error if the
common blocks are different, using sym->common_head as the
common block identifier. Ensure that symbols that are equivalence
associated with a common block are marked as being in_common.
* module.c (write_blank_common): New.
(write_common): Use unmangled common block name.
(load_equiv): New function ported from g95.
(read_module): Call load_equiv.
(write_equiv): New function ported from g95. Correct
string referencing for gfc functions. Give module
equivalences a unique name.
(write_module): Call write_equiv and write_blank_common.
* primary.c (match_variable) Old gfc_match_variable, made
static and third argument provided to indicate if parent
namespace to be visited or not.
(gfc_match_variable) New. Interface to match_variable.
(gfc_match_equiv_variable) New. Interface to match_variable.
* trans-common.c (finish_equivalences): Provide the call
to create_common with a gfc_common_header so that
module equivalences are made external, rather than local.
(find_equivalences): Ensure that all members in common block
equivalences are marked as used. This prevents the subsequent
call to this function from making local unions.
* trans-decl.c (gfc_generate_function_code): Move the call to
gfc_generate_contained_functions to after the call to
gfc_trans_common so the use-associated, contained common
blocks produce the correct references.
(gfc_create_module_variable): Return for equivalenced symbols
with existing backend declaration.
2005-09-09 Paul Thomas <pault@gcc.gnu.org>
PR fortran/18878
* gfortran.dg/module_double_reuse.f90: New.
2005-09-09 Paul Thomas <pault@gcc.gnu.org>
PR fortran/23270
PR fortran/22304
PR fortran/18870
PR fortran/17917
PR fortran/16511
* gfortran.dg/common_equivalence_1.f: New.
* gfortran.dg/common_equivalence_2.f: New.
* gfortran.dg/common_equivalence_3.f: New.
* gfortran.dg/contained_equivalence_1.f90: New.
* gfortran.dg/module_blank_common.f90: New.
* gfortran.dg/module_commons_1.f90: New.
* gfortran.dg/module_equivalence_1.f90: New.
* gfortran.dg/nested_modules_1.f90: New.
* gfortran.dg/g77/19990905-0.f: Remove XFAIL, rearrange
equivalences and add comment to connect the test with
the PR.
From-SVN: r104060
2005-08-27 Erik Edelmann <erik.edelmann@iki.fi>
* trans-array.c (gfc_trans_deferred_array): Fix comments.
2005-08-27 Erik Schnetter <schnetter@aei.mpg.de>
* primary.c (match_charkind_name): Fix typo in comment leading to
function.
From-SVN: r103558
PR fortran/18833
PR fortran/20850
* primary.c (match_varspec): If equiv_flag, don't look at sym's
attributes, call gfc_match_array_ref up to twice and don't do any
substring or component processing.
* resolve.c (resolve_equivalence): Transform REF_ARRAY into
REF_SUBSTRING or nothing if needed. Check that substrings
don't have zero length.
* gfortran.dg/equiv_1.f90: New test.
* gfortran.dg/equiv_2.f90: New test.
* gfortran.fortran-torture/execute/equiv_2.f90: New test.
* gfortran.fortran-torture/execute/equiv_3.f90: New test.
* gfortran.fortran-torture/execute/equiv_4.f90: New test.
From-SVN: r102801
* gfortran.h (MAX_ERROR_MESSAGE): Remove.
(gfc_error_buf): Add allocated and index fields. Change message
field from array to a pointer.
* error.c (use_warning_buffer, error_ptr, warning_ptr): Remove.
(cur_error_buffer): New variable.
(error_char): Use cur_error_buffer->{message,index} instead of
{warning,error}_{buffer.message,ptr}. Reallocate message buffer
if too small.
(gfc_warning, gfc_notify_std, gfc_error, gfc_error_now): Setup
cur_error_buffer and its index rather than {warning,error}_ptr
and use_warning_buffer.
(gfc_warning_check, gfc_error_check): Don't print anything if
message is NULL.
(gfc_push_error): Allocate saved message with xstrdup.
(gfc_pop_error): Free saved message with gfc_free.
(gfc_free_error): New function.
* primary.c (match_complex_constant): Call gfc_free_error if
gfc_pop_error will not be called.
* match.c (gfc_match_st_function): Likewise.
* gfortran.dg/g77/cpp6.f: New test.
From-SVN: r102015
* gfortran.h: Add flag_backslash compile-time option.
* lang.opt: Add support for -fbackslash option.
* options.c: Likewise.
* primary.c: Implement behavior for -fno-backslash.
* invoke.texi: Add doc for -fbackslash option.
* gfortran.texi: Remove mention of -fno-backslash as a
possible extension.
* gfortran.dg/backslash_1.f90: New test.
* gfortran.dg/backslash_2.f90: New test.
From-SVN: r101216
PR fortran/19926
* primary.c (gfc_match_rvalue): expr_type can be EXPR_CONSTANT
for an array; check that sym->as is NULL.
Co-Authored-By: Steven G. Kargl <kargls@comast.net>
From-SVN: r101161
2005-04-25 Paul Brook <paul@codesourcery.com>
Steven G. Kargl <kargls@comcast.net>
PR fortran/20879
* check.c (gfc_check_ichar_iachar): New function.
* instinsic.h (gfc_check_ichar_iachar): Add prototype.
* intrinsic.c (add_functions): Use it.
* primary.c (match_varspec, gfc_match_rvalue): Clear incorrect
character expression lengths.
testsuite/
* gfortran.dg/ichar_1.f90: New file.
Co-Authored-By: Steven G. Kargl <kargls@comcast.net>
From-SVN: r98686
PR 19936
* primary.c (match_complex_constant): Mangled complex constant may
be an implied do-loop. Give implied do-loop matcher a chance.
From-SVN: r95951
* gfortran.h (gfc_component, gfc_actual_arglist, gfc_user_op): Make
'name' a 'const char *'.
(gfc_symbol): Likewise, also for 'module'.
(gfc_symtree): Make 'name' a 'const char *'.
(gfc_intrinsic_sym): Likewise, also for 'lib_name'.
(gfc_get_gsymbol, gfc_find_gsymbol): Add 'const' qualifier to
'char *' argument.
(gfc_intrinsic_symbol): Use 'gfc_get_string' instead of 'strcpy' to
initialize 'SYM->module'.
* check.c (gfc_check_minloc_maxloc, check_reduction): Check for NULL
pointer instead of empty string.
* dump-parse-tree.c (gfc_show_actual_arglist): Likewise.
* interface.c (gfc_compare_types): Adapt check to account for possible
NULL pointer.
(compare_actual_formal): Check for NULL pointer instead of empty
string.
* intrinsic.c (gfc_current_intrinsic, gfc_current_intrinsic_arg):
Add 'const' qualifier.
(conv_name): Return a heap allocated string.
(find_conv): Add 'const' qualifier to 'target'.
(add_sym): Use 'gfc_get_string' instead of 'strcpy'.
(make_generic): Check for NULL pointer instead of emptystring.
(make_alias): Use 'gfc_get_string' instead of 'strcpy'.
(add_conv): No need to strcpy result from 'conv_name'.
(sort_actual): Check for NULL pointer instead of emptystring.
* intrinsic.h (gfc_current_intrinsic, gfc_current_intrinsic_arg):
Adapt prototype.
* module.c (compare_true_names): Compare pointers instead of strings
for 'module' member.
(find_true_name): Initialize string fields with gfc_get_string.
(mio_pool_string): New function.
(mio_internal_string): Adapt comment.
(mio_component_ref, mio_component, mio_actual_arg): Use
'mio_pool_string' instead of 'mio_internal_string'.
(mio_symbol_interface): Add 'const' qualifier to string arguments.
Add level of indirection. Use 'mio_pool_string' instead of
'mio_internal_string'.
(load_needed, read_module): Use 'gfc_get_string' instead of 'strcpy'.
(write_common, write_symbol): Use 'mio_pool_string' instead of
'mio_internal_string'.
(write_symbol0, write_symbol1): Likewise, also check for NULL pointer
instead of empty string.
(write_operator, write_generic): Pass correct type variable to
'mio_symbol_interface'.
(write_symtree): Use 'mio_pool_string' instead of
'mio_internal_string'.
* primary.c (match_keyword_arg): Adapt check to possible
case of NULL pointer. Use 'gfc_get_string' instead of 'strcpy'.
* symbol.c (gfc_add_component, gfc_new_symtree, delete_symtree,
gfc_get_uop, gfc_new_symbol): Use 'gfc_get_string' instead of
'strcpy'.
(ambiguous_symbol): Check for NULL pointer instead of empty string.
(gfc_find_gsymbol, gfc_get_gsymbol): Add 'const' qualifier on string
arguments.
* trans-array.c (gfc_trans_auto_array_allocation): Check for NULL
pointer instead of empty string.
* trans-decl.c (gfc_sym_mangled_identifier,
gfc_sym_mangled_function_id, gfc_finish_var_decl, gfc_get_symbol_decl,
gfc_get_symbol_decl): Likewise.
* trans-io.c (gfc_new_nml_name_expr): Add 'const' qualifier to
argument. Copy string instead of pointing to it.
From-SVN: r95472
2005-01-22 Paul Brook <paul@codesourcery.com>
* primary.c (gfc_match_rvalue): Only apply implicit type if variable
does not have an explicit type.
(gfc_match_variable): Resolve implicit derived types in all cases.
Resolve contained function types from their own namespace, not the
parent.
* resolve.c (resolve_contained_fntype): Remove duplicate sym->result
checking. Resolve from the contained namespace, not the parent.
testsuite/
* gfortran.dg/implicit_2.f90: New test.
From-SVN: r94066
fortran/
* primary.c (match_boz_constant): Allow kind parameter suffixes.
Move standard warning further to the front.
testsuite/
* gfortran.fortran-torture/execute/intrinsic_mvbits.f90,
gfortran.dg/ishft.f90: Add more tests.
From-SVN: r88690