Merge remote-tracking branch 'local-2.0/stable-2.0'

[bpt/guile.git] / libguile / feature.c

diff --git a/libguile/feature.c b/libguile/feature.c
index bef07ca..c11cb5e 100644 (file)
--- a/libguile/feature.c
+++ b/libguile/feature.c
@@ -1,23 +1,25 @@
-/* Copyright (C) 1995,1996,1998,1999,2000,2001,2002 Free Software Foundation, Inc.
- * 
+/* Copyright (C) 1995, 1996, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
+ *   2006, 2007, 2009, 2011 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 2.1 of the License, or (at your option) any later version.
+ * 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
+ * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301 USA
  */
 
 
 \f
-#if HAVE_CONFIG_H
+#ifdef HAVE_CONFIG_H
 #  include <config.h>
 #endif
 
@@ -29,19 +31,21 @@
 #include "libguile/root.h"
 #include "libguile/strings.h"
 #include "libguile/validate.h"
+#include "libguile/fluids.h"
 
 #include "libguile/feature.h"
 
 \f
 
-static SCM features_var;
+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_str2symbol (str), old);
+  SCM new = scm_cons (scm_from_utf8_symbol (str), old);
   SCM_VARIABLE_SET (features_var, new);
 }
 
@@ -56,7 +60,7 @@ SCM_DEFINE (scm_program_arguments, "program-arguments", 0, 0, 0,
            "options like @code{-e} and @code{-l}.")
 #define FUNC_NAME s_scm_program_arguments
 {
-  return scm_progargs;
+  return scm_fluid_ref (scm_program_arguments_fluid);
 }
 #undef FUNC_NAME
 
@@ -69,10 +73,27 @@ SCM_DEFINE (scm_program_arguments, "program-arguments", 0, 0, 0,
 void
 scm_set_program_arguments (int argc, char **argv, char *first)
 {
-  scm_progargs = scm_makfromstrs (argc, argv);
+  SCM args = scm_makfromstrs (argc, argv);
   if (first)
-    scm_progargs = scm_cons (scm_makfrom0str (first), scm_progargs);
+    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
@@ -80,6 +101,8 @@ scm_set_program_arguments (int argc, char **argv, char *first)
 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");
@@ -87,20 +110,12 @@ scm_init_feature()
 #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_NULL_THREADS
+#if SCM_USE_PTHREAD_THREADS
   scm_add_feature ("threads");
 #endif
-  
-  scm_c_define ("char-code-limit", SCM_MAKINUM (SCM_CHAR_CODE_LIMIT));
 
 #include "libguile/feature.x"
 }