-/* Copyright (C) 1995,1996 Free Software Foundation, Inc.
- *
- * 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, 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 software; see the file COPYING. If not, write to
- * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- * As a special exception, the Free Software Foundation gives permission
- * for additional uses of the text contained in its release of GUILE.
- *
- * The exception is that, if you link the GUILE library with other files
- * to produce an executable, this does not by itself cause the
- * resulting executable to be covered by the GNU General Public License.
- * Your use of that executable is in no way restricted on account of
- * linking the GUILE library code into it.
- *
- * This exception does not however invalidate any other reasons why
- * the executable file might be covered by the GNU General Public License.
- *
- * This exception applies only to the code released by the
- * Free Software Foundation under the name GUILE. If you copy
- * code from other Free Software Foundation releases into a copy of
- * GUILE, as the General Public License permits, the exception does
- * not apply to the code that you add in this way. To avoid misleading
- * anyone as to the status of such modified files, you must delete
- * this exception notice from them.
- *
- * If you write modifications of your own for GUILE, it is your choice
- * whether to permit this exception to apply to your modifications.
- * If you do not wish that, delete this exception notice.
- */
-\f
-
-#include <stdio.h>
-#include "_scm.h"
-
-#include "feature.h"
-
-#ifdef HAVE_STRING_H
-#include <string.h>
-#endif
-\f
-
-static SCM *scm_loc_features;
-
-void
-scm_add_feature(str)
- char* str;
-{
- *scm_loc_features = scm_cons(SCM_CAR(scm_intern(str, strlen(str))),
- *scm_loc_features);
-}
-
-
-\f
-SCM_PROC(s_program_arguments, "program-arguments", 0, 0, 0, scm_program_arguments);
-
-SCM
-scm_program_arguments ()
-{
- return scm_progargs;
-}
-
-/* Set the value returned by program-arguments, given ARGC and ARGV.
-
- If FIRST is non-zero, make it the first element; we do this in
- situations where other code (like getopt) has parsed out a few
- arguments, but we still want the script name to be the first
- element. */
-void
-scm_set_program_arguments (argc, argv, first)
- int argc;
- char **argv;
- char *first;
-{
- scm_progargs = scm_makfromstrs (argc, argv);
- if (first)
- scm_progargs = scm_cons (scm_makfrom0str (first), scm_progargs);
-}
-
-
-\f
-
-void
-scm_init_feature()
-{
- scm_loc_features = SCM_CDRLOC (scm_sysintern ("*features*", SCM_EOL));
-#ifdef RECKLESS
- scm_add_feature("reckless");
-#endif
-#ifndef _Windows
- scm_add_feature("system");
-#endif
-#ifdef vms
- scm_add_feature(s_ed);
-#endif
-#ifdef SICP
- scm_add_feature("sicp");
-#endif
-#ifndef GO32
- scm_add_feature("char-ready?");
-#endif
-#ifndef CHEAP_CONTINUATIONS
- scm_add_feature ("full-continuation");
-#endif
-#ifdef USE_THREADS
- scm_add_feature ("threads");
-#endif
-
- scm_sysintern ("char-code-limit", SCM_MAKINUM (SCM_CHAR_CODE_LIMIT));
-#include "feature.x"
-}
+/* Copyright (C) 1995, 1996, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
+ * 2006, 2007, 2009, 2011, 2013 Free Software Foundation, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 3 of
+ * the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ */
+
+
+\f
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#ifdef HAVE_STRING_H
+#include <string.h>
+#endif
+
+#include "libguile/_scm.h"
+#include "libguile/root.h"
+#include "libguile/strings.h"
+#include "libguile/validate.h"
+#include "libguile/fluids.h"
+
+#include "libguile/feature.h"
+
+\f
+
+SCM scm_program_arguments_fluid;
+
+static SCM features_var;
+
+void
+scm_add_feature (const char *str)
+{
+ SCM old = SCM_VARIABLE_REF (features_var);
+ SCM new = scm_cons (scm_from_locale_symbol (str), old);
+ SCM_VARIABLE_SET (features_var, new);
+}
+
+\f
+
+SCM_DEFINE (scm_program_arguments, "program-arguments", 0, 0, 0,
+ (),
+ "@deffnx {Scheme Procedure} command-line\n"
+ "Return the list of command line arguments passed to Guile, as a list of\n"
+ "strings. The list includes the invoked program name, which is usually\n"
+ "@code{\"guile\"}, but excludes switches and parameters for command line\n"
+ "options like @code{-e} and @code{-l}.")
+#define FUNC_NAME s_scm_program_arguments
+{
+ return scm_fluid_ref (scm_program_arguments_fluid);
+}
+#undef FUNC_NAME
+
+/* Set the value returned by program-arguments, given ARGC and ARGV.
+
+ If FIRST is non-zero, make it the first element; we do this in
+ situations where other code (like getopt) has parsed out a few
+ arguments, but we still want the script name to be the first
+ element. */
+void
+scm_set_program_arguments (int argc, char **argv, char *first)
+{
+ SCM args = scm_makfromstrs (argc, argv);
+ if (first)
+ args = scm_cons (scm_from_locale_string (first), args);
+ scm_fluid_set_x (scm_program_arguments_fluid, args);
+}
+
+SCM_DEFINE (scm_set_program_arguments_scm, "set-program-arguments", 1, 0, 0,
+ (SCM lst),
+ "Set the command line arguments to be returned by\n"
+ "@code{program-arguments} (and @code{command-line}). @var{lst}\n"
+ "should be a list of strings, the first of which is the program\n"
+ "name (either a script name, or just @code{\"guile\"}).\n"
+ "\n"
+ "Program arguments are held in a fluid and therefore have a\n"
+ "separate value in each Guile thread. Neither the list nor the\n"
+ "strings within it are copied, so should not be modified later.")
+#define FUNC_NAME s_scm_set_program_arguments_scm
+{
+ return scm_fluid_set_x (scm_program_arguments_fluid, lst);
+}
+#undef FUNC_NAME
+
+
+\f
+
+void
+scm_init_feature()
+{
+ scm_program_arguments_fluid = scm_make_fluid ();
+
+ features_var = scm_c_define ("*features*", SCM_EOL);
+#ifndef _Windows
+ scm_add_feature("system");
+#endif
+#ifdef vms
+ scm_add_feature(s_ed);
+#endif
+#ifdef SICP
+ scm_add_feature("sicp");
+#endif
+#ifndef GO32
+ scm_add_feature("char-ready?");
+#endif
+#ifndef CHEAP_CONTINUATIONS
+ scm_add_feature ("full-continuation");
+#endif
+#if SCM_USE_PTHREAD_THREADS
+ scm_add_feature ("threads");
+#endif
+
+#include "libguile/feature.x"
+}
+
+/*
+ Local Variables:
+ c-file-style: "gnu"
+ End:
+*/
HCoop / bpt / guile.git / blobdiff