/* Parse and display command line options.
- Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
+ Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008,
+ 2009, 2010
Free Software Foundation, Inc.
Contributed by Andy Vaught
#include "gfortran.h"
#include "target.h"
#include "cpp.h"
-#include "toplev.h"
+#include "toplev.h" /* For sorry. */
#include "tm.h"
gfc_option_t gfc_option;
{
gfc_option.allow_std = GFC_STD_F95_OBS | GFC_STD_F95_DEL
| GFC_STD_F2003 | GFC_STD_F2008 | GFC_STD_F95 | GFC_STD_F77
- | GFC_STD_GNU | GFC_STD_LEGACY;
+ | GFC_STD_F2008_OBS | GFC_STD_GNU | GFC_STD_LEGACY;
gfc_option.warn_std = GFC_STD_F95_DEL | GFC_STD_LEGACY;
}
gfc_option.warn_character_truncation = 0;
gfc_option.warn_array_temp = 0;
gfc_option.warn_conversion = 0;
+ gfc_option.warn_conversion_extra = 0;
gfc_option.warn_implicit_interface = 0;
gfc_option.warn_line_truncation = 0;
gfc_option.warn_surprising = 0;
gfc_option.warn_intrinsic_shadow = 0;
gfc_option.warn_intrinsics_std = 0;
gfc_option.warn_align_commons = 1;
+ gfc_option.warn_unused_dummy_argument = 0;
gfc_option.max_errors = 25;
gfc_option.flag_all_intrinsics = 0;
gfc_option.flag_init_character = GFC_INIT_CHARACTER_OFF;
gfc_option.flag_init_character_value = (char)0;
gfc_option.flag_align_commons = 1;
+ gfc_option.flag_protect_parens = 1;
gfc_option.fpe = 0;
gfc_option.rtcheck = 0;
-
- /* Argument pointers cannot point to anything but their argument. */
- flag_argument_noalias = 3;
+ gfc_option.coarray = GFC_FCOARRAY_NONE;
flag_errno_math = 0;
+ flag_associative_math = -1;
set_default_std_flags ();
if (flag_lto || flag_whopr)
gfc_option.flag_whole_file = 1;
+ /* Fortran allows associative math - but we cannot reassociate if
+ we want traps or signed zeros. Cf. also flag_protect_parens. */
+ if (flag_associative_math == -1)
+ flag_associative_math = (!flag_trapping_math && !flag_signed_zeros);
+
/* -fbounds-check is equivalent to -fcheck=bounds */
if (flag_bounds_check)
gfc_option.rtcheck |= GFC_RTCHECK_BOUNDS;
"implied by -fopenmp",
gfc_option.flag_max_stack_var_size);
- /* Implied -frecursive; implemented as -fmax-stack-var-size=-1. */
- if (gfc_option.flag_max_stack_var_size == -2 && gfc_option.flag_openmp)
+ /* Implement -frecursive as -fmax-stack-var-size=-1. */
+ if (gfc_option.flag_recursive)
gfc_option.flag_max_stack_var_size = -1;
+ /* Implied -frecursive; implemented as -fmax-stack-var-size=-1. */
+ if (gfc_option.flag_max_stack_var_size == -2 && gfc_option.flag_openmp
+ && gfc_option.flag_automatic)
+ {
+ gfc_option.flag_recursive = 1;
+ gfc_option.flag_max_stack_var_size = -1;
+ }
+
/* Set default. */
if (gfc_option.flag_max_stack_var_size == -2)
gfc_option.flag_max_stack_var_size = 32768;
- /* Implement -frecursive as -fmax-stack-var-size=-1. */
- if (gfc_option.flag_recursive)
- gfc_option.flag_max_stack_var_size = -1;
-
/* Implement -fno-automatic as -fmax-stack-var-size=0. */
if (!gfc_option.flag_automatic)
gfc_option.flag_max_stack_var_size = 0;
{
gfc_option.warn_aliasing = setting;
gfc_option.warn_ampersand = setting;
+ gfc_option.warn_conversion = setting;
gfc_option.warn_line_truncation = setting;
gfc_option.warn_surprising = setting;
gfc_option.warn_tabs = !setting;
gfc_option.warn_intrinsic_shadow = setting;
gfc_option.warn_intrinsics_std = setting;
gfc_option.warn_character_truncation = setting;
+ gfc_option.warn_unused_dummy_argument = setting;
warn_unused = setting;
warn_return_type = setting;
warn_switch = setting;
-
- /* We save the value of warn_uninitialized, since if they put
- -Wuninitialized on the command line, we need to generate a
- warning about not using it without also specifying -O. */
- if (setting == 0)
- warn_uninitialized = 0;
- else if (warn_uninitialized != 1)
- warn_uninitialized = 2;
+ warn_uninitialized = setting;
}
static void
+gfc_handle_coarray_option (const char *arg)
+{
+ if (strcmp (arg, "none") == 0)
+ gfc_option.coarray = GFC_FCOARRAY_NONE;
+ else if (strcmp (arg, "single") == 0)
+ gfc_option.coarray = GFC_FCOARRAY_SINGLE;
+ else
+ gfc_fatal_error ("Argument to -fcoarray is not valid: %s", arg);
+}
+
+
+static void
gfc_handle_runtime_check_option (const char *arg)
{
int result, pos = 0, n;
static const char * const optname[] = { "all", "bounds", "array-temps",
- "recursion", "do", "pointer", NULL };
+ "recursion", "do", "pointer",
+ "mem", NULL };
static const int optmask[] = { GFC_RTCHECK_ALL, GFC_RTCHECK_BOUNDS,
GFC_RTCHECK_ARRAY_TEMPS,
GFC_RTCHECK_RECURSION, GFC_RTCHECK_DO,
- GFC_RTCHECK_POINTER,
+ GFC_RTCHECK_POINTER, GFC_RTCHECK_MEM,
0 };
while (*arg)
recognized and handled. */
int
-gfc_handle_option (size_t scode, const char *arg, int value)
+gfc_handle_option (size_t scode, const char *arg, int value,
+ int kind ATTRIBUTE_UNUSED)
{
int result = 1;
enum opt_code code = (enum opt_code) scode;
- /* Ignore file names. */
- if (code == N_OPTS)
- return 1;
-
if (gfc_cpp_handle_option (scode, arg, value) == 1)
return 1;
gfc_option.warn_conversion = value;
break;
+ case OPT_Wconversion_extra:
+ gfc_option.warn_conversion_extra = value;
+ break;
+
case OPT_Wimplicit_interface:
gfc_option.warn_implicit_interface = value;
break;
gfc_option.warn_align_commons = value;
break;
+ case OPT_Wunused_dummy_argument:
+ gfc_option.warn_unused_dummy_argument = value;
+ break;
+
case OPT_fall_intrinsics:
gfc_option.flag_all_intrinsics = 1;
break;
break;
case OPT_fwhole_file:
- gfc_option.flag_whole_file = 1;
+ gfc_option.flag_whole_file = value;
break;
case OPT_fsecond_underscore:
break;
case OPT_std_f95:
- gfc_option.allow_std = GFC_STD_F95_OBS | GFC_STD_F95 | GFC_STD_F77;
+ gfc_option.allow_std = GFC_STD_F95_OBS | GFC_STD_F95 | GFC_STD_F77
+ | GFC_STD_F2008_OBS;
gfc_option.warn_std = GFC_STD_F95_OBS;
gfc_option.max_continue_fixed = 19;
gfc_option.max_continue_free = 39;
case OPT_std_f2003:
gfc_option.allow_std = GFC_STD_F95_OBS | GFC_STD_F77
- | GFC_STD_F2003 | GFC_STD_F95;
+ | GFC_STD_F2003 | GFC_STD_F95 | GFC_STD_F2008_OBS;
gfc_option.warn_std = GFC_STD_F95_OBS;
gfc_option.max_identifier_length = 63;
gfc_option.warn_ampersand = 1;
case OPT_std_f2008:
gfc_option.allow_std = GFC_STD_F95_OBS | GFC_STD_F77
- | GFC_STD_F2003 | GFC_STD_F95 | GFC_STD_F2008;
- gfc_option.warn_std = GFC_STD_F95_OBS;
+ | GFC_STD_F2003 | GFC_STD_F95 | GFC_STD_F2008 | GFC_STD_F2008_OBS;
+ gfc_option.warn_std = GFC_STD_F95_OBS | GFC_STD_F2008_OBS;
gfc_option.max_identifier_length = 63;
gfc_option.warn_ampersand = 1;
gfc_option.warn_tabs = 0;
break;
case OPT_fshort_enums:
- flag_short_enums = 1;
+ /* Handled in language-independent code. */
break;
case OPT_fconvert_little_endian:
break;
case OPT_frecursive:
- gfc_option.flag_recursive = 1;
+ gfc_option.flag_recursive = value;
break;
case OPT_falign_commons:
gfc_option.flag_align_commons = value;
break;
+ case OPT_fprotect_parens:
+ gfc_option.flag_protect_parens = value;
+ break;
+
case OPT_fcheck_:
gfc_handle_runtime_check_option (arg);
break;
+ case OPT_fcoarray_:
+ gfc_handle_coarray_option (arg);
+ break;
}
return result;
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