/* Parse and display command line options.
- Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005 Free Software Foundation,
- Inc.
+ Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006
+ Free Software Foundation, Inc.
Contributed by Andy Vaught
This file is part of GCC.
#include "tree-inline.h"
#include "gfortran.h"
+#include "target.h"
gfc_option_t gfc_option;
gfc_option.module_dir = NULL;
gfc_option.source_form = FORM_UNKNOWN;
gfc_option.fixed_line_length = 72;
+ gfc_option.free_line_length = 132;
+ gfc_option.max_continue_fixed = 19;
+ gfc_option.max_continue_free = 39;
gfc_option.max_identifier_length = GFC_MAX_SYMBOL_LEN;
gfc_option.verbose = 0;
gfc_option.warn_aliasing = 0;
+ gfc_option.warn_ampersand = 0;
gfc_option.warn_conversion = 0;
gfc_option.warn_implicit_interface = 0;
gfc_option.warn_line_truncation = 0;
- gfc_option.warn_underflow = 1;
gfc_option.warn_surprising = 0;
- gfc_option.warn_unused_labels = 0;
+ gfc_option.warn_tabs = 1;
+ gfc_option.warn_underflow = 1;
+ gfc_option.max_errors = 25;
+ gfc_option.flag_all_intrinsics = 0;
gfc_option.flag_default_double = 0;
gfc_option.flag_default_integer = 0;
gfc_option.flag_default_real = 0;
gfc_option.flag_second_underscore = -1;
gfc_option.flag_implicit_none = 0;
gfc_option.flag_max_stack_var_size = 32768;
- gfc_option.flag_module_access_private = 0;
- gfc_option.flag_no_backend = 0;
+ gfc_option.flag_range_check = 1;
gfc_option.flag_pack_derived = 0;
gfc_option.flag_repack_arrays = 0;
+ gfc_option.flag_preprocessed = 0;
gfc_option.flag_automatic = 1;
gfc_option.flag_backslash = 1;
+ gfc_option.flag_external_blas = 0;
+ gfc_option.blas_matmul_limit = 30;
+ gfc_option.flag_cray_pointer = 0;
gfc_option.flag_d_lines = -1;
+ gfc_option.flag_openmp = 0;
- gfc_option.q_kind = gfc_default_double_kind;
+ gfc_option.fpe = 0;
+
+ /* Argument pointers cannot point to anything
+ but their argument. */
+ flag_argument_noalias = 3;
- flag_argument_noalias = 2;
flag_errno_math = 0;
gfc_option.allow_std = GFC_STD_F95_OBS | GFC_STD_F95_DEL
| GFC_STD_F2003 | GFC_STD_F95 | GFC_STD_F77 | GFC_STD_GNU
| GFC_STD_LEGACY;
gfc_option.warn_std = GFC_STD_F95_OBS | GFC_STD_F95_DEL
- | GFC_STD_F2003 | GFC_STD_LEGACY;
+ | GFC_STD_LEGACY;
gfc_option.warn_nonstd_intrinsics = 0;
- return CL_F95;
+ /* -fshort-enums can be default on some targets. */
+ gfc_option.fshort_enums = targetm.default_short_enums ();
+
+ return CL_Fortran;
}
bool
gfc_post_options (const char **pfilename)
{
- const char *filename = *pfilename;
+ const char *filename = *pfilename, *canon_source_file = NULL;
+ char *source_path;
+ int i;
/* Verify the input file name. */
if (!filename || strcmp (filename, "-") == 0)
filename = "";
}
- gfc_source_file = filename;
+ if (gfc_option.flag_preprocessed)
+ {
+ /* For preprocessed files, if the first tokens are of the form # NUM.
+ handle the directives so we know the original file name. */
+ gfc_source_file = gfc_read_orig_filename (filename, &canon_source_file);
+ if (gfc_source_file == NULL)
+ gfc_source_file = filename;
+ else
+ *pfilename = gfc_source_file;
+ }
+ else
+ gfc_source_file = filename;
+
+ if (canon_source_file == NULL)
+ canon_source_file = gfc_source_file;
+
+ /* Adds the path where the source file is to the list of include files. */
+
+ i = strlen (canon_source_file);
+ while (i > 0 && !IS_DIR_SEPARATOR (canon_source_file[i]))
+ i--;
+ if (i != 0)
+ {
+ source_path = alloca (i + 1);
+ memcpy (source_path, canon_source_file, i);
+ source_path[i] = 0;
+ gfc_add_include_path (source_path);
+ }
+ else
+ gfc_add_include_path (".");
+
+ if (canon_source_file != gfc_source_file)
+ gfc_free ((void *) canon_source_file);
/* Decide which form the file will be read in as. */
{
gfc_current_form = FORM_FREE;
gfc_warning_now ("Reading file '%s' as free form.",
- (filename[0] == '\0') ? "<stdin>" : filename);
+ (filename[0] == '\0') ? "<stdin>" : filename);
}
}
if (gfc_option.flag_second_underscore == -1)
gfc_option.flag_second_underscore = gfc_option.flag_f2c;
+ /* Implement -fno-automatic as -fmax-stack-var-size=0. */
+ if (!gfc_option.flag_automatic)
+ gfc_option.flag_max_stack_var_size = 0;
+
+ if (pedantic)
+ gfc_option.warn_ampersand = 1;
+
+ if (gfc_option.flag_all_intrinsics)
+ gfc_option.warn_nonstd_intrinsics = 0;
+
return false;
}
{
gfc_option.warn_aliasing = 1;
+ gfc_option.warn_ampersand = 1;
gfc_option.warn_line_truncation = 1;
- gfc_option.warn_underflow = 1;
- gfc_option.warn_surprising = 1;
- gfc_option.warn_unused_labels = 1;
gfc_option.warn_nonstd_intrinsics = 1;
+ gfc_option.warn_surprising = 1;
+ gfc_option.warn_tabs = 0;
+ gfc_option.warn_underflow = 1;
set_Wunused (1);
warn_return_type = 1;
strcat (gfc_option.module_dir, "/");
}
+static void
+gfc_handle_fpe_trap_option (const char *arg)
+{
+ int result, pos = 0, n;
+ static const char * const exception[] = { "invalid", "denormal", "zero",
+ "overflow", "underflow",
+ "precision", NULL };
+ static const int opt_exception[] = { GFC_FPE_INVALID, GFC_FPE_DENORMAL,
+ GFC_FPE_ZERO, GFC_FPE_OVERFLOW,
+ GFC_FPE_UNDERFLOW, GFC_FPE_PRECISION,
+ 0 };
+
+ while (*arg)
+ {
+ while (*arg == ',')
+ arg++;
+ while (arg[pos] && arg[pos] != ',')
+ pos++;
+ result = 0;
+ for (n = 0; exception[n] != NULL; n++)
+ {
+ if (exception[n] && strncmp (exception[n], arg, pos) == 0)
+ {
+ gfc_option.fpe |= opt_exception[n];
+ arg += pos;
+ pos = 0;
+ result = 1;
+ break;
+ }
+ }
+ if (! result)
+ gfc_fatal_error ("Argument to -ffpe-trap is not valid: %s", arg);
+ }
+}
+
/* Handle command-line options. Returns 0 if unrecognized, 1 if
recognized and handled. */
int
gfc_option.warn_aliasing = value;
break;
+ case OPT_Wampersand:
+ gfc_option.warn_ampersand = value;
+ break;
+
case OPT_Wconversion:
gfc_option.warn_conversion = value;
break;
gfc_option.warn_line_truncation = value;
break;
+ case OPT_Wsurprising:
+ gfc_option.warn_surprising = value;
+ break;
+
+ case OPT_Wtabs:
+ gfc_option.warn_tabs = value;
+ break;
+
case OPT_Wunderflow:
gfc_option.warn_underflow = value;
break;
- case OPT_Wsurprising:
- gfc_option.warn_surprising = value;
+ case OPT_fall_intrinsics:
+ gfc_option.flag_all_intrinsics = 1;
+ break;
+
+ case OPT_fautomatic:
+ gfc_option.flag_automatic = value;
break;
- case OPT_Wunused_labels:
- gfc_option.warn_unused_labels = value;
+ case OPT_fbackslash:
+ gfc_option.flag_backslash = value;
+ break;
+
+ case OPT_fcray_pointer:
+ gfc_option.flag_cray_pointer = value;
break;
case OPT_ff2c:
gfc_option.flag_dollar_ok = value;
break;
- case OPT_fautomatic:
- gfc_option.flag_automatic = value;
+ case OPT_fexternal_blas:
+ gfc_option.flag_external_blas = value;
break;
- case OPT_fbackslash:
- gfc_option.flag_backslash = value;
+ case OPT_fblas_matmul_limit_:
+ gfc_option.blas_matmul_limit = value;
break;
case OPT_fd_lines_as_code:
gfc_option.source_form = FORM_FIXED;
break;
+ case OPT_ffixed_line_length_none:
+ gfc_option.fixed_line_length = 0;
+ break;
+
+ case OPT_ffixed_line_length_:
+ if (value != 0 && value < 7)
+ gfc_fatal_error ("Fixed line length must be at least seven.");
+ gfc_option.fixed_line_length = value;
+ break;
+
case OPT_ffree_form:
gfc_option.source_form = FORM_FREE;
break;
+ case OPT_fopenmp:
+ gfc_option.flag_openmp = value;
+ break;
+
+ case OPT_ffree_line_length_none:
+ gfc_option.free_line_length = 0;
+ break;
+
+ case OPT_ffree_line_length_:
+ gfc_option.free_line_length = value;
+ break;
+
case OPT_funderscoring:
gfc_option.flag_underscoring = value;
break;
gfc_option.flag_implicit_none = value;
break;
- case OPT_fmax_stack_var_size_:
- gfc_option.flag_max_stack_var_size = value;
+ case OPT_fmax_errors_:
+ gfc_option.max_errors = value;
break;
- case OPT_fmodule_private:
- gfc_option.flag_module_access_private = value;
+ case OPT_fmax_stack_var_size_:
+ gfc_option.flag_max_stack_var_size = value;
break;
- case OPT_fno_backend:
- gfc_option.flag_no_backend = value;
+ case OPT_frange_check:
+ gfc_option.flag_range_check = value;
break;
case OPT_fpack_derived:
gfc_option.flag_repack_arrays = value;
break;
- case OPT_ffixed_line_length_none:
- gfc_option.fixed_line_length = 0;
- break;
-
- case OPT_ffixed_line_length_:
- if (value != 0 && value < 7)
- gfc_fatal_error ("Fixed line length must be at least seven.");
- gfc_option.fixed_line_length = value;
+ case OPT_fpreprocessed:
+ gfc_option.flag_preprocessed = value;
break;
case OPT_fmax_identifier_length_:
if (value > GFC_MAX_SYMBOL_LEN)
- gfc_fatal_error ("Maximum supported idenitifier length is %d",
+ gfc_fatal_error ("Maximum supported identifier length is %d",
GFC_MAX_SYMBOL_LEN);
gfc_option.max_identifier_length = value;
break;
- case OPT_qkind_:
- if (gfc_validate_kind (BT_REAL, value, true) < 0)
- gfc_fatal_error ("Argument to -fqkind isn't a valid real kind");
- gfc_option.q_kind = value;
- break;
-
case OPT_fdefault_integer_8:
gfc_option.flag_default_integer = value;
break;
gfc_handle_module_path_options (arg);
break;
+ case OPT_ffpe_trap_:
+ gfc_handle_fpe_trap_option (arg);
+ break;
+
case OPT_std_f95:
gfc_option.allow_std = GFC_STD_F95_OBS | GFC_STD_F95 | GFC_STD_F77;
gfc_option.warn_std = GFC_STD_F95_OBS;
gfc_option.max_identifier_length = 31;
+ gfc_option.warn_ampersand = 1;
+ gfc_option.warn_tabs = 0;
break;
case OPT_std_f2003:
gfc_option.allow_std = GFC_STD_F95_OBS | GFC_STD_F77
| GFC_STD_F2003 | GFC_STD_F95;
gfc_option.warn_std = GFC_STD_F95_OBS;
+ gfc_option.max_continue_fixed = 255;
+ gfc_option.max_continue_free = 255;
gfc_option.max_identifier_length = 63;
+ gfc_option.warn_ampersand = 1;
break;
case OPT_std_gnu:
break;
case OPT_Wnonstd_intrinsics:
- gfc_option.warn_nonstd_intrinsics = 1;
+ gfc_option.warn_nonstd_intrinsics = value;
+ break;
+
+ case OPT_fshort_enums:
+ gfc_option.fshort_enums = 1;
+ break;
+
+ case OPT_fconvert_little_endian:
+ gfc_option.convert = CONVERT_LITTLE;
+ break;
+
+ case OPT_fconvert_big_endian:
+ gfc_option.convert = CONVERT_BIG;
+ break;
+
+ case OPT_fconvert_native:
+ gfc_option.convert = CONVERT_NATIVE;
+ break;
+
+ case OPT_fconvert_swap:
+ gfc_option.convert = CONVERT_SWAP;
+ break;
+
+ case OPT_frecord_marker_4:
+ gfc_option.record_marker = 4;
+ break;
+
+ case OPT_frecord_marker_8:
+ gfc_option.record_marker = 8;
break;
}
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