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/* -*-c-*- -------------- mixvm_loop.c :
* Implementation of mix vm command loop.
* ------------------------------------------------------------------
* Copyright (C) 2000 jose antonio ortega ruiz <jaortega@acm.org>
*
* This program 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 of the License, or
* (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
*/
#include <mixlib/mix.h>
#include <stdio.h>
#include <readline/readline.h>
#include <readline/history.h>
#include "mixvm_command.h"
/* A static variable for holding the line. */
static char *line_read = (char *)NULL;
static const char *PROMPT = N_("MIX > ");
/* Read a string, and return a pointer to it. Returns NULL on EOF. */
static char *
rl_gets ()
{
/* If the buffer has already been allocated, return the memory
to the free pool. */
if (line_read)
{
g_free (line_read);
line_read = (char *)NULL;
}
/* Get a line from the user. */
line_read = readline ((char *)PROMPT);
/* If the line has any text in it, save it on the history. */
if (line_read && *line_read)
add_history (line_read);
return (line_read);
}
/* The main command loop of the virtual machine */
void
mix_vmloop (const gchar *file)
{
mixvm_cmd_init ((char *)file);
while ( mixvm_cmd_exec (rl_gets ()) )
;
}
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