view src/console-stream-impl.h @ 5736:3192994c49ca

Convert C (un)signed long long values to bignums properly. This patch also does the following: - Uses make_fixnum instead of make_integer when the argument is guaranteed to be in the fixnum range. - Introduces make_unsigned_integer so that we handle unsigned values with the high bit set correctly. - Introduces conversions between bignums and (un)signed long long values. - Uses mp_set_memory_functions with the BSD MP code, if it exists. - Eliminates some unnecessary consing in the Lisp + and * implementations. - Fixes a problem with check_valid_xbm_inline(). This function is called during intialization. It calls Ftimes. When using pdump, this is a problem, because (a) the bignum code is not initialized until *after* dumping, so we don't try to dump any bignums, and (b) multiplication of integers is done inside bignums so we handle fixnum overflow correctly. I decided that an XBM file with dimensions that don't fit into fixnums is probably not something we want to try to handle anyway, and did the arithmetic with C values instead of Lisp values. Doing that broke one test, which started getting a different error message from the one it expected, so I adjusted the test to match the new reality. - Fixes a few miscellaneous bugs in the BSD MP code. See <CAHCOHQk0u0=eD1fUMHTNWi2Yh=1WgiYyCXdMbsGzHBNhdqYz4w@mail.gmail.com> in xemacs-patches, as well as followup messages.
author Jerry James <james@xemacs.org>
date Mon, 17 Jun 2013 10:23:00 -0600
parents 308d34e9f07d
children
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/* Define stream specific console, device, and frame object for XEmacs.
   Copyright (C) 1995 Board of Trustees, University of Illinois.
   Copyright (C) 1995 Free Software Foundation, Inc.
   Copyright (C) 2002 Ben Wing.

This file is part of XEmacs.

XEmacs 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 3 of the License, or (at your
option) any later version.

XEmacs 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 XEmacs.  If not, see <http://www.gnu.org/licenses/>. */

/* Synched up with: Not in FSF. */

/* Written by Ben Wing. */

#ifndef INCLUDED_console_stream_impl_h_
#define INCLUDED_console_stream_impl_h_

#include "console-impl.h"
#include "console-stream.h"

DECLARE_CONSOLE_TYPE (stream);

struct stream_console
{
#ifdef NEW_GC
  NORMAL_LISP_OBJECT_HEADER header;
#endif /* NEW_GC */
  FILE *in;
  FILE *out;
  FILE *err;
  int needs_newline;
  Lisp_Object instream;
};

#ifdef NEW_GC
typedef struct stream_console Lisp_Stream_Console;

DECLARE_LISP_OBJECT (stream_console, Lisp_Stream_Console);

#define XSTREAM_CONSOLE(x) \
  XRECORD (x, stream_console, Lisp_Stream_Console)
#define wrap_stream_console(p) wrap_record (p, stream_console)
#define STREAM_CONSOLE_P(x) RECORDP (x, stream_console)
#endif /* NEW_GC */

#define CONSOLE_STREAM_DATA(con) CONSOLE_TYPE_DATA (con, stream)

#endif /* INCLUDED_console_stream_impl_h_ */