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/* -*- c++ -*- */
/*
* Copyright 2010 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
* GNU Radio 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, or (at your option)
* any later version.
*
* GNU Radio 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 GNU Radio; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#include <stdio.h>
#include <stdlib.h>
#include <libguile.h>
#include "xyzzy.h"
/*
* Load and run a waveform defined using define-waveform
* usage: gr-run-waveform filename.wfd [args...]
*/
static bool
prepend_to_env(const char *name, const char *value)
{
char *c_old = getenv(name);
std::string new_val;
if (c_old)
new_val = std::string(value) + std::string(":") + std::string(c_old);
else
new_val = std::string(value);
return setenv(name, new_val.c_str(), 1) == 0;
}
static const char *code = "\
;;(set! %load-verbosely #t) \n\
\n\
(save-module-excursion \n\
(lambda () \n\
(set-current-module (resolve-module '(guile))) \n\
(set! primitive-load xyzzy-primitive-load) \n\
(set! primitive-load-path xyzzy-primitive-load-path) \n\
(set! search-path xyzzy-search-path) \n\
(set! %search-load-path %xyzzy-search-load-path))) \n\
\n\
(primitive-load-path \"gnuradio/run-waveform\") \n\
\n\
(define (main args) \n\
(if (not (>= (length args) 2)) \n\
(let ((port (current-error-port))) \n\
(display \"usage: \" port) \n\
(display (car args) port) \n\
(display \" filename.wfd [args...]\n\" port) \n\
(exit 1))) \n\
(apply run-waveform (cdr args))) \n\
\n\
(main (command-line)) \n\
";
static void
inner_main (void *data, int argc, char **argv)
{
// Load pseudo filesystem
if (!xyzzy_init(0)) // use compiled-in install path
exit(1);
// Initialize our gsubrs
scm_xyzzy_init();
// Override standard code with our gsubrs and and run our app
scm_c_eval_string(code);
}
int
main(int argc, char *argv[])
{
// kill warnings
setenv("GUILE_WARN_DEPRECATED", "no", 1);
// where to find our files and libraries
prepend_to_env("GUILE_LOAD_PATH", "/-xyzzy-");
prepend_to_env("LTDL_LIBRARY_PATH", LIBDIR);
prepend_to_env("DYLD_LIBRARY_PATH", LIBDIR);
scm_boot_guile (argc, argv, inner_main, 0);
return 0; // never reached
}
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