d67ab5eef8
2006-03-22 Thomas Koenig <Thomas.Koenig@onlien.de> PR fortran/19303 * gfortran.h (gfc_option_t): Add record_marker. * lang.opt: Add -frecord-marker=4 and -frecord-marker=8. * trans-decl.c: Add gfor_fndecl_set_record_marker. (gfc_build_builtin_function_decls): Set gfor_fndecl_set_record_marker. (gfc_generate_function_code): If we are in the main program and -frecord-marker was provided, call set_record_marker. * options.c (gfc_handle_option): Add handling for -frecord-marker=4 and -frecord-marker=8. * invoke.texi: Document -frecord-marker. 2006-03-22 Thomas Koenig <Thomas.Koenig@onlien.de> PR fortran/19303 * libgfortran.h (compile_options_t): Add record_marker. * runtime/compile_options.c (set_record_marker): New function. * io/open.c: If we have four-byte record markers, use GFC_INTEGER_4_HUGE as default record length. * io/file_pos.c (unformatted_backspace): Handle different size record markers. * io/transfer.c (us_read): Likewise. (us_write): Likewise. (next_record_r): Likewise. (write_us_marker): Likewise. (next_record_w): Likewise. 2006-03-22 Thomas Koenig <Thomas.Koenig@online.de> PR fortran/19303 * gfortran.dg/record_marker_1.f90: New test case. * gfortran.dg/record_marker_2.f: New test case. * gfortran.dg/record_marker_3.f90: New test case. From-SVN: r112290
103 lines
2.9 KiB
C
103 lines
2.9 KiB
C
/* Handling of compile-time options that influence the library.
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Copyright (C) 2005 Free Software Foundation, Inc.
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This file is part of the GNU Fortran 95 runtime library (libgfortran).
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Libgfortran is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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In addition to the permissions in the GNU General Public License, the
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Free Software Foundation gives you unlimited permission to link the
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compiled version of this file into combinations with other programs,
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and to distribute those combinations without any restriction coming
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from the use of this file. (The General Public License restrictions
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do apply in other respects; for example, they cover modification of
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the file, and distribution when not linked into a combine
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executable.)
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Libgfortran is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with libgfortran; see the file COPYING. If not, write to
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the Free Software Foundation, 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA. */
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#include "config.h"
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#include "libgfortran.h"
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/* Useful compile-time options will be stored in here. */
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compile_options_t compile_options;
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/* Prototypes */
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extern void set_std (GFC_INTEGER_4, GFC_INTEGER_4, GFC_INTEGER_4);
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export_proto(set_std);
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void
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set_std (GFC_INTEGER_4 warn_std, GFC_INTEGER_4 allow_std,
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GFC_INTEGER_4 pedantic)
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{
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compile_options.pedantic = pedantic;
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compile_options.warn_std = warn_std;
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compile_options.allow_std = allow_std;
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}
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/* Default values for the compile-time options. Keep in sync with
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gcc/fortran/options.c (gfc_init_options). */
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void
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init_compile_options (void)
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{
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compile_options.warn_std = GFC_STD_F95_OBS | GFC_STD_F95_DEL
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| GFC_STD_F2003 | GFC_STD_LEGACY;
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compile_options.allow_std = GFC_STD_F95_OBS | GFC_STD_F95_DEL
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| GFC_STD_F2003 | GFC_STD_F95 | GFC_STD_F77 | GFC_STD_GNU | GFC_STD_LEGACY;
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compile_options.pedantic = 0;
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}
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/* Function called by the front-end to tell us the
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default for unformatted data conversion. */
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extern void set_convert (int);
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export_proto (set_convert);
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void
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set_convert (int conv)
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{
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compile_options.convert = conv;
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}
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extern void set_record_marker (int);
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export_proto (set_record_marker);
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void
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set_record_marker (int val)
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{
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switch(val)
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{
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case 4:
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if (sizeof (GFC_INTEGER_4) != sizeof (gfc_offset))
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compile_options.record_marker = sizeof (GFC_INTEGER_4);
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break;
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case 8:
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if (sizeof (GFC_INTEGER_8) != sizeof (gfc_offset))
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compile_options.record_marker = sizeof (GFC_INTEGER_8);
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break;
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default:
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runtime_error ("Invalid value for record marker");
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break;
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}
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}
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