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module.c (gfc_use_module): Uncomment the ISO_FORTRAN_ENV code.

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* module.c (gfc_use_module): Uncomment the ISO_FORTRAN_ENV code.
	Check that intrinsic and non-intrinsic modules don't conflict.
	(use_iso_fortran_env_module): New function.
	(create_int_parameter): New function.
	* trans-types.c (gfc_init_kinds): Choose values for
	gfc_numeric_storage_size and gfc_character_storage_size.
	(gfc_numeric_storage_size, gfc_character_storage_size): New variables.
	* resolve.c (resolve_symbol): Do no check intrinsic modules
	against the list of intrinsic symbols.
	* iso-fortran-env.def: New file.
	* gfortran.h (gfc_numeric_storage_size,
	gfc_character_storage_size): Add prototypes.

	* gfortran.dg/use_3.f90: Remove error message.
	* gfortran.dg/iso_fortran_env_1.f90: New test.
	* gfortran.dg/iso_fortran_env_2.f90: New test.
	* gfortran.dg/iso_fortran_env_3.f90: New test.
	* gfortran.dg/iso_fortran_env_4.f90: New test.

From-SVN: r118998
This commit is contained in:
Francois-Xavier Coudert 2006-11-19 22:18:26 +01:00 committed by François-Xavier Coudert
parent 0eab781508
commit 39f87c0333
12 changed files with 408 additions and 28 deletions
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15
gcc/fortran/ChangeLog
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@ -1,3 +1,18 @@
2006-11-19 Francois-Xavier Coudert <coudert@clipper.ens.fr>
* module.c (gfc_use_module): Uncomment the ISO_FORTRAN_ENV code.
Check that intrinsic and non-intrinsic modules don't conflict.
(use_iso_fortran_env_module): New function.
(create_int_parameter): New function.
* trans-types.c (gfc_init_kinds): Choose values for
gfc_numeric_storage_size and gfc_character_storage_size.
(gfc_numeric_storage_size, gfc_character_storage_size): New variables.
* resolve.c (resolve_symbol): Do no check intrinsic modules
against the list of intrinsic symbols.
* iso-fortran-env.def: New file.
* gfortran.h (gfc_numeric_storage_size,
gfc_character_storage_size): Add prototypes.
2006-11-18 Francois-Xavier Coudert <coudert@clipper.ens.fr>
PR fortran/24285

2
gcc/fortran/gfortran.h
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@ -1823,6 +1823,8 @@ extern int gfc_default_logical_kind;
extern int gfc_default_complex_kind;
extern int gfc_c_int_kind;
extern int gfc_intio_kind;
extern int gfc_numeric_storage_size;
extern int gfc_character_storage_size;
/* symbol.c */
void gfc_clear_new_implicit (void);

37
gcc/fortran/iso-fortran-env.def Normal file
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@ -0,0 +1,37 @@
/* Copyright (C) 2006 Free Software Foundation, Inc.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 2, or (at your option) any later
version.
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING. If not, write to the Free
Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA. */
/* This file contains the definition of the named integer constants provided
by the Fortran 2003 ISO_FORTRAN_ENV intrinsic module. */
/* The arguments to NAMED_INTCST are:
-- an internal name
-- the symbol name in the module, as seen by Fortran code
-- the value it has */
NAMED_INTCST (ISOFORTRANENV_CHARACTER_STORAGE_SIZE, "character_storage_size", \
gfc_character_storage_size)
NAMED_INTCST (ISOFORTRANENV_ERROR_UNIT, "error_unit", 0)
NAMED_INTCST (ISOFORTRANENV_FILE_STORAGE_SIZE, "file_storage_size", 8)
NAMED_INTCST (ISOFORTRANENV_INPUT_UNIT, "input_unit", 5)
NAMED_INTCST (ISOFORTRANENV_IOSTAT_END, "iostat_end", -1)
NAMED_INTCST (ISOFORTRANENV_IOSTAT_EOR, "iostat_eor", -2)
NAMED_INTCST (ISOFORTRANENV_NUMERIC_STORAGE_SIZE, "numeric_storage_size", \
gfc_numeric_storage_size)
NAMED_INTCST (ISOFORTRANENV_OUTPUT_UNIT, "output_unit", 6)

187
gcc/fortran/module.c
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@ -498,24 +498,24 @@ gfc_match_use (void)
if (gfc_match (" , ") == MATCH_YES)
{
if ((m = gfc_match (" %n ::", module_nature)) == MATCH_YES)
{
if (gfc_notify_std (GFC_STD_F2003, "Fortran 2003: module "
"nature in USE statement at %C") == FAILURE)
return MATCH_ERROR;
{
if (gfc_notify_std (GFC_STD_F2003, "Fortran 2003: module "
"nature in USE statement at %C") == FAILURE)
return MATCH_ERROR;
if (strcmp (module_nature, "intrinsic") == 0)
specified_int = true;
else
{
if (strcmp (module_nature, "non_intrinsic") == 0)
specified_nonint = true;
else
{
gfc_error ("Module nature in USE statement at %C shall "
"be either INTRINSIC or NON_INTRINSIC");
return MATCH_ERROR;
}
}
if (strcmp (module_nature, "intrinsic") == 0)
specified_int = true;
else
{
if (strcmp (module_nature, "non_intrinsic") == 0)
specified_nonint = true;
else
{
gfc_error ("Module nature in USE statement at %C shall "
"be either INTRINSIC or NON_INTRINSIC");
return MATCH_ERROR;
}
}
}
else
{
@ -538,11 +538,11 @@ gfc_match_use (void)
return MATCH_ERROR;
if (m != MATCH_YES)
{
m = gfc_match ("% ");
if (m != MATCH_YES)
return m;
}
{
m = gfc_match ("% ");
if (m != MATCH_YES)
return m;
}
}
m = gfc_match_name (module_name);
@ -3843,6 +3843,138 @@ gfc_dump_module (const char *name, int dump_flag)
}
/* Add an integer named constant from a given module. */
static void
create_int_parameter (const char *name, int value, const char *modname)
{
gfc_symtree * tmp_symtree;
gfc_symbol * sym;
tmp_symtree = gfc_find_symtree (gfc_current_ns->sym_root, name);
if (tmp_symtree != NULL)
{
if (strcmp (modname, tmp_symtree->n.sym->module) == 0)
return;
else
gfc_error ("Symbol '%s' already declared", name);
}
gfc_get_sym_tree (name, gfc_current_ns, &tmp_symtree);
sym = tmp_symtree->n.sym;
sym->module = gfc_get_string (modname);
sym->attr.flavor = FL_PARAMETER;
sym->ts.type = BT_INTEGER;
sym->ts.kind = gfc_default_integer_kind;
sym->value = gfc_int_expr (value);
sym->attr.use_assoc = 1;
}
/* USE the ISO_FORTRAN_ENV intrinsic module. */
static void
use_iso_fortran_env_module (void)
{
static char mod[] = "iso_fortran_env";
const char *local_name;
gfc_use_rename *u;
gfc_symbol *mod_sym;
gfc_symtree *mod_symtree;
int i;
mstring symbol[] = {
#define NAMED_INTCST(a,b,c) minit(b,0),
#include "iso-fortran-env.def"
#undef NAMED_INTCST
minit (NULL, -1234) };
i = 0;
#define NAMED_INTCST(a,b,c) symbol[i++].tag = c;
#include "iso-fortran-env.def"
#undef NAMED_INTCST
/* Generate the symbol for the module itself. */
mod_symtree = gfc_find_symtree (gfc_current_ns->sym_root, mod);
if (mod_symtree == NULL)
{
gfc_get_sym_tree (mod, gfc_current_ns, &mod_symtree);
gcc_assert (mod_symtree);
mod_sym = mod_symtree->n.sym;
mod_sym->attr.flavor = FL_MODULE;
mod_sym->attr.intrinsic = 1;
mod_sym->module = gfc_get_string (mod);
}
else
if (!mod_symtree->n.sym->attr.intrinsic)
gfc_error ("Use of intrinsic module '%s' at %C conflicts with "
"non-intrinsic module name used previously", mod);
/* Generate the symbols for the module integer named constants. */
if (only_flag)
for (u = gfc_rename_list; u; u = u->next)
{
for (i = 0; symbol[i].string; i++)
if (strcmp (symbol[i].string, u->use_name) == 0)
break;
if (symbol[i].string == NULL)
{
gfc_error ("Symbol '%s' referenced at %L does not exist in "
"intrinsic module ISO_FORTRAN_ENV", u->use_name,
&u->where);
continue;
}
if ((gfc_option.flag_default_integer || gfc_option.flag_default_real)
&& strcmp (symbol[i].string, "numeric_storage_size") == 0)
gfc_warning_now ("Use of the NUMERIC_STORAGE_SIZE named constant "
"from intrinsic module ISO_FORTRAN_ENV at %L is "
"incompatible with option %s", &u->where,
gfc_option.flag_default_integer
? "-fdefault-integer-8" : "-fdefault-real-8");
create_int_parameter (u->local_name[0] ? u->local_name
: symbol[i].string,
symbol[i].tag, mod);
}
else
{
for (i = 0; symbol[i].string; i++)
{
local_name = NULL;
for (u = gfc_rename_list; u; u = u->next)
{
if (strcmp (symbol[i].string, u->use_name) == 0)
{
local_name = u->local_name;
u->found = 1;
break;
}
}
if ((gfc_option.flag_default_integer || gfc_option.flag_default_real)
&& strcmp (symbol[i].string, "numeric_storage_size") == 0)
gfc_warning_now ("Use of the NUMERIC_STORAGE_SIZE named constant "
"from intrinsic module ISO_FORTRAN_ENV at %C is "
"incompatible with option %s",
gfc_option.flag_default_integer
? "-fdefault-integer-8" : "-fdefault-real-8");
create_int_parameter (local_name ? local_name : symbol[i].string,
symbol[i].tag, mod);
}
for (u = gfc_rename_list; u; u = u->next)
{
if (u->found)
continue;
gfc_error ("Symbol '%s' referenced at %L not found in intrinsic "
"module ISO_FORTRAN_ENV", u->use_name, &u->where);
}
}
}
/* Process a USE directive. */
void
@ -3851,6 +3983,7 @@ gfc_use_module (void)
char *filename;
gfc_state_data *p;
int c, line, start;
gfc_symtree *mod_symtree;
filename = (char *) alloca(strlen(module_name) + strlen(MODULE_EXTENSION)
+ 1);
@ -3867,7 +4000,6 @@ gfc_use_module (void)
specified that the module is non-intrinsic. */
if (module_fp == NULL && !specified_nonint)
{
#if 0
if (strcmp (module_name, "iso_fortran_env") == 0
&& gfc_notify_std (GFC_STD_F2003, "Fortran 2003: "
"ISO_FORTRAN_ENV intrinsic module at %C") != FAILURE)
@ -3875,7 +4007,6 @@ gfc_use_module (void)
use_iso_fortran_env_module ();
return;
}
#endif
module_fp = gfc_open_intrinsic_module (filename);
@ -3888,6 +4019,14 @@ gfc_use_module (void)
gfc_fatal_error ("Can't open module file '%s' for reading at %C: %s",
filename, strerror (errno));
/* Check that we haven't already USEd an intrinsic module with the
same name. */
mod_symtree = gfc_find_symtree (gfc_current_ns->sym_root, module_name);
if (mod_symtree && mod_symtree->n.sym->attr.intrinsic)
gfc_error ("Use of non-intrinsic module '%s' at %C conflicts with "
"intrinsic module name used previously", module_name);
iomode = IO_INPUT;
module_line = 1;
module_column = 1;

2
gcc/fortran/resolve.c
View File

@ -6007,7 +6007,7 @@ resolve_symbol (gfc_symbol * sym)
}
/* Make sure that intrinsic exist */
if (sym->attr.intrinsic
if (sym->attr.flavor != FL_MODULE && sym->attr.intrinsic
&& ! gfc_intrinsic_name(sym->name, 0)
&& ! gfc_intrinsic_name(sym->name, 1))
gfc_error("Intrinsic at %L does not exist", &sym->declared_at);

20
gcc/fortran/trans-types.c
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@ -97,6 +97,10 @@ int gfc_c_int_kind;
kind=8, this will be set to 8, otherwise it is set to 4. */
int gfc_intio_kind;
/* The size of the numeric storage unit and character storage unit. */
int gfc_numeric_storage_size;
int gfc_character_storage_size;
/* Query the target to determine which machine modes are available for
computation. Choose KIND numbers for them. */
@ -228,11 +232,22 @@ gfc_init_kinds (void)
if (!saw_i8)
fatal_error ("integer kind=8 not available for -fdefault-integer-8 option");
gfc_default_integer_kind = 8;
/* Even if the user specified that the default integer kind be 8,
the numerica storage size isn't 64. In this case, a warning will
be issued when NUMERIC_STORAGE_SIZE is used. */
gfc_numeric_storage_size = 4 * 8;
}
else if (saw_i4)
gfc_default_integer_kind = 4;
{
gfc_default_integer_kind = 4;
gfc_numeric_storage_size = 4 * 8;
}
else
gfc_default_integer_kind = gfc_integer_kinds[i_index - 1].kind;
{
gfc_default_integer_kind = gfc_integer_kinds[i_index - 1].kind;
gfc_numeric_storage_size = gfc_integer_kinds[i_index - 1].bit_size;
}
/* Choose the default real kind. Again, we choose 4 when possible. */
if (gfc_option.flag_default_real)
@ -283,6 +298,7 @@ gfc_init_kinds (void)
/* Choose the smallest integer kind for our default character. */
gfc_default_character_kind = gfc_integer_kinds[0].kind;
gfc_character_storage_size = gfc_default_character_kind * 8;
/* Choose the integer kind the same size as "void*" for our index kind. */
gfc_index_integer_kind = POINTER_SIZE / 8;

8
gcc/testsuite/ChangeLog
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@ -1,3 +1,11 @@
2006-11-19 Francois-Xavier Coudert <coudert@clipper.ens.fr>
* gfortran.dg/use_3.f90: Remove error message.
* gfortran.dg/iso_fortran_env_1.f90: New test.
* gfortran.dg/iso_fortran_env_2.f90: New test.
* gfortran.dg/iso_fortran_env_3.f90: New test.
* gfortran.dg/iso_fortran_env_4.f90: New test.
2006-11-19 Dorit Nuzman <dorit@il.ibm.com>
* gcc.dg/vect/vect-27.c: Fix initialization.

44
gcc/testsuite/gfortran.dg/iso_fortran_env_1.f90 Normal file
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@ -0,0 +1,44 @@
! { dg-do run }
module iso_fortran_env
real :: x
end module iso_fortran_env
subroutine bar
use , intrinsic :: iso_fortran_env
implicit none
if (file_storage_size /= 8) call abort
if (character_storage_size /= 8) call abort
if (all (numeric_storage_size /= [ 8, 16, 32, 64, 128])) call abort
if (input_unit /= 5) call abort
if (output_unit /= 6) call abort
if (error_unit /= 0) call abort
if (iostat_end /= -1) call abort
if (iostat_eor /= -2) call abort
end
subroutine bar2
use , intrinsic :: iso_fortran_env, only : file_storage_size, &
character_storage_size, numeric_storage_size, input_unit, output_unit, &
error_unit, iostat_end, iostat_eor
implicit none
if (file_storage_size /= 8) call abort
if (character_storage_size /= 8) call abort
if (all (numeric_storage_size /= [ 8, 16, 32, 64, 128])) call abort
if (input_unit /= 5) call abort
if (output_unit /= 6) call abort
if (error_unit /= 0) call abort
if (iostat_end /= -1) call abort
if (iostat_eor /= -2) call abort
end
program test
use , intrinsic :: iso_fortran_env, uu => output_unit
implicit none
if (input_unit /= 5 .or. uu /= 6) call abort
call bar
call bar2
end
! { dg-final { cleanup-modules "iso_fortran_env" } }

76
gcc/testsuite/gfortran.dg/iso_fortran_env_2.f90 Normal file
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@ -0,0 +1,76 @@
! { dg-do compile }
module iso_fortran_env
logical :: x
end module iso_fortran_env
subroutine bar1
use , intrinsic :: iso_fortran_env
print *, character_storage_size
end
subroutine bar2
use, intrinsic :: iso_fortran_env
print *, character_storage_size
end
subroutine bar3
use,intrinsic :: iso_fortran_env
print *, character_storage_size
end
subroutine bar4
use,intrinsic::iso_fortran_env
print *, character_storage_size
end
subroutine bar5
use ,intrinsic :: iso_fortran_env
print *, character_storage_size
end
subroutine foo1
use :: iso_fortran_env
print *, x
end
subroutine foo2
use:: iso_fortran_env
print *, x
end
subroutine foo3
use::iso_fortran_env
print *, x
end
subroutine foo4
use ::iso_fortran_env
print *, x
end
subroutine gee1
use , non_intrinsic :: iso_fortran_env
print *, x
end
subroutine gee2
use, non_intrinsic :: iso_fortran_env
print *, x
end
subroutine gee3
use,non_intrinsic :: iso_fortran_env
print *, x
end
subroutine gee4
use,non_intrinsic::iso_fortran_env
print *, x
end
subroutine gee5
use ,non_intrinsic :: iso_fortran_env
print *, x
end
! { dg-final { cleanup-modules "iso_fortran_env" } }

29
gcc/testsuite/gfortran.dg/iso_fortran_env_3.f90 Normal file
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@ -0,0 +1,29 @@
! { dg-do run }
subroutine foo1 (x,y)
use iso_fortran_env
integer, intent(out) :: x, y
x = numeric_storage_size
y = character_storage_size
end
subroutine foo2 (x,y)
use iso_fortran_env, foo => numeric_storage_size
integer, intent(in) :: x, y
if (foo /= x .or. character_storage_size /= y) call abort
end
subroutine foo3 (x,y)
use iso_fortran_env, only : numeric_storage_size, character_storage_size
integer, intent(in) :: x, y
if (numeric_storage_size /= x .or. character_storage_size /= y) call abort
end
program test
integer :: x, y
call foo1(x,y)
call foo2(x,y)
call foo3(x,y)
end

14
gcc/testsuite/gfortran.dg/iso_fortran_env_4.f90 Normal file
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@ -0,0 +1,14 @@
! { dg-do compile }
module iso_fortran_env
end module iso_fortran_env
program foo
use, intrinsic :: iso_fortran_env
use, non_intrinsic :: iso_fortran_env ! { dg-error "conflicts with intrinsic module" }
end program foo
subroutine truc
use, non_intrinsic :: iso_fortran_env
use, intrinsic :: iso_fortran_env ! { dg-error "conflicts with non-intrinsic module" }
end subroutine truc
! { dg-final { cleanup-modules "iso_fortran_env" } }

2
gcc/testsuite/gfortran.dg/use_3.f90
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@ -7,6 +7,6 @@ end module foo
use, intrinsic iso_fortran_env ! { dg-error "\"::\" was expected after module nature" }
use, non_intrinsic iso_fortran_env ! { dg-error "\"::\" was expected after module nature" }
use, nonintrinsic :: iso_fortran_env ! { dg-error "shall be either INTRINSIC or NON_INTRINSIC" }
use, intrinsic :: iso_fortran_env ! { dg-error "Can't find an intrinsic module named" }
use, intrinsic :: iso_fortran_env
end
! { dg-final { cleanup-modules "foo" } }