diff options
Diffstat (limited to 'gr-run-waveform/gr-run-waveform-binary.cc')
-rw-r--r-- | gr-run-waveform/gr-run-waveform-binary.cc | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/gr-run-waveform/gr-run-waveform-binary.cc b/gr-run-waveform/gr-run-waveform-binary.cc new file mode 100644 index 000000000..ac81b0eaa --- /dev/null +++ b/gr-run-waveform/gr-run-waveform-binary.cc @@ -0,0 +1,100 @@ +/* -*- 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 +} |