-/* Copyright (C) 1996, 1997 Free Software Foundation, Inc.
+/* Copyright (C) 1996,1997,2000,2001 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, Inc., 59 Temple Place, Suite 330,
- * Boston, MA 02111-1307 USA
- *
- * As a special exception, the Free Software Foundation gives permission
- * for additional uses of the text contained in its release of GUILE.
+ * 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.
*
- * 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.
+ * 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.
*
- * 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. */
+ * 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
+ */
-/* Software engineering face-lift by Greg J. Badros, 11-Dec-1999,
- gjb@cs.washington.edu, http://www.cs.washington.edu/homes/gjb */
-#include "_scm.h"
-#include "print.h"
-#include "smob.h"
-#include "dynwind.h"
-#include "fluids.h"
-#include "alist.h"
-#include "eval.h"
+#include "libguile/_scm.h"
+#include "libguile/print.h"
+#include "libguile/smob.h"
+#include "libguile/dynwind.h"
+#include "libguile/fluids.h"
+#include "libguile/alist.h"
+#include "libguile/eval.h"
+#include "libguile/ports.h"
+#include "libguile/deprecation.h"
+#include "libguile/lang.h"
#define INITIAL_FLUIDS 10
-#include "validate.h"
+#include "libguile/validate.h"
-static volatile int n_fluids;
-long scm_tc16_fluid;
+static volatile long n_fluids;
+scm_t_bits scm_tc16_fluid;
SCM
scm_make_initial_fluids ()
{
- return scm_make_vector (SCM_MAKINUM (INITIAL_FLUIDS),
- SCM_BOOL_F);
+ return scm_c_make_vector (INITIAL_FLUIDS, SCM_BOOL_F);
}
static void
grow_fluids (scm_root_state *root_state, int new_length)
{
SCM old_fluids, new_fluids;
- int old_length, i;
+ long old_length, i;
old_fluids = root_state->fluids;
- old_length = SCM_LENGTH (old_fluids);
- new_fluids = scm_make_vector (SCM_MAKINUM (new_length), SCM_BOOL_F);
+ old_length = SCM_VECTOR_LENGTH (old_fluids);
+ new_fluids = scm_c_make_vector (new_length, SCM_BOOL_F);
i = 0;
while (i < old_length)
{
- SCM_VELTS(new_fluids)[i] = SCM_VELTS(old_fluids)[i];
+ SCM_VECTOR_SET (new_fluids, i, SCM_VELTS(old_fluids)[i]);
i++;
}
while (i < new_length)
{
- SCM_VELTS(new_fluids)[i] = SCM_BOOL_F;
+ SCM_VECTOR_SET (new_fluids, i, SCM_BOOL_F);
i++;
}
void
scm_copy_fluids (scm_root_state *root_state)
{
- grow_fluids (root_state, SCM_LENGTH(root_state->fluids));
+ grow_fluids (root_state, SCM_VECTOR_LENGTH (root_state->fluids));
}
static int
-print_fluid (SCM exp, SCM port, scm_print_state *pstate)
+fluid_print (SCM exp, SCM port, scm_print_state *pstate SCM_UNUSED)
{
scm_puts ("#<fluid ", port);
scm_intprint ((int) SCM_FLUID_NUM (exp), 10, port);
return 1;
}
-static int
+static long
next_fluid_num ()
{
- int n;
-#ifdef USE_THREADS
- SCM_THREAD_CRITICAL_SECTION_START;
-#endif
+ long n;
+ SCM_CRITICAL_SECTION_START;
n = n_fluids++;
-#ifdef USE_THREADS
- SCM_THREAD_CRITICAL_SECTION_END;
-#endif
+ SCM_CRITICAL_SECTION_END;
return n;
}
"in its own dynamic root, you can use fluids for thread local storage.")
#define FUNC_NAME s_scm_make_fluid
{
- int n;
+ long n;
- SCM_DEFER_INTS;
n = next_fluid_num ();
SCM_RETURN_NEWSMOB (scm_tc16_fluid, n);
}
SCM_DEFINE (scm_fluid_p, "fluid?", 1, 0, 0,
(SCM obj),
- "Return #t iff @var{obj} is a fluid; otherwise, return #f.")
+ "Return @code{#t} iff @var{obj} is a fluid; otherwise, return\n"
+ "@code{#f}.")
#define FUNC_NAME s_scm_fluid_p
{
return SCM_BOOL(SCM_FLUIDP (obj));
SCM_DEFINE (scm_fluid_ref, "fluid-ref", 1, 0, 0,
(SCM fluid),
- "Return the value associated with @var{fluid} in the current dynamic root.\n"
- "If @var{fluid} has not been set, then this returns #f.")
+ "Return the value associated with @var{fluid} in the current\n"
+ "dynamic root. If @var{fluid} has not been set, then return\n"
+ "@code{#f}.")
#define FUNC_NAME s_scm_fluid_ref
{
- int n;
+ unsigned long int n;
SCM_VALIDATE_FLUID (1, fluid);
-
n = SCM_FLUID_NUM (fluid);
- if (SCM_LENGTH (scm_root->fluids) <= n)
+ if (SCM_VECTOR_LENGTH (scm_root->fluids) <= n)
grow_fluids (scm_root, n+1);
- return SCM_VELTS(scm_root->fluids)[n];
+ return SCM_VELTS (scm_root->fluids)[n];
}
#undef FUNC_NAME
"Set the value associated with @var{fluid} in the current dynamic root.")
#define FUNC_NAME s_scm_fluid_set_x
{
- int n;
+ unsigned long int n;
SCM_VALIDATE_FLUID (1, fluid);
n = SCM_FLUID_NUM (fluid);
- if (SCM_LENGTH (scm_root->fluids) <= n)
+ if (SCM_VECTOR_LENGTH (scm_root->fluids) <= n)
grow_fluids (scm_root, n+1);
- SCM_VELTS(scm_root->fluids)[n] = value;
- return value;
+ SCM_VECTOR_SET (scm_root->fluids, n, value);
+ return SCM_UNSPECIFIED;
}
#undef FUNC_NAME
void
scm_swap_fluids (SCM fluids, SCM vals)
{
- while (SCM_NIMP (fluids))
+ while (!SCM_NULL_OR_NIL_P (fluids))
{
SCM fl = SCM_CAR (fluids);
SCM old_val = scm_fluid_ref (fl);
void
scm_swap_fluids_reverse (SCM fluids, SCM vals)
{
- if (SCM_NIMP (fluids))
+ if (!SCM_NULL_OR_NIL_P (fluids))
{
SCM fl, old_val;
static SCM
apply_thunk (void *thunk)
{
- return scm_apply ((SCM) thunk, SCM_EOL, SCM_EOL);
+ return scm_call_0 (SCM_PACK (thunk));
}
SCM_DEFINE (scm_with_fluids, "with-fluids*", 3, 0, 0,
"one after another. @var{thunk} must be a procedure with no argument.")
#define FUNC_NAME s_scm_with_fluids
{
- return scm_internal_with_fluids (fluids, values, apply_thunk, (void *)thunk);
+ return scm_c_with_fluids (fluids, values, apply_thunk, (void *) SCM_UNPACK (thunk));
}
#undef FUNC_NAME
SCM
-scm_internal_with_fluids (SCM fluids, SCM values, SCM (*cproc) (), void *cdata)
-#define FUNC_NAME "scm_internal_with_fluids"
+scm_c_with_fluids (SCM fluids, SCM values, SCM (*cproc) (), void *cdata)
+#define FUNC_NAME "scm_c_with_fluids"
{
SCM ans;
- int flen, vlen;
+ long flen, vlen;
SCM_VALIDATE_LIST_COPYLEN (1, fluids, flen);
SCM_VALIDATE_LIST_COPYLEN (2, values, vlen);
}
#undef FUNC_NAME
-
+SCM
+scm_c_with_fluid (SCM fluid, SCM value, SCM (*cproc) (), void *cdata)
+#define FUNC_NAME "scm_c_with_fluid"
+{
+ return scm_c_with_fluids (scm_list_1 (fluid), scm_list_1 (value),
+ cproc, cdata);
+}
+#undef FUNC_NAME
void
scm_init_fluids ()
{
- scm_tc16_fluid = scm_make_smob_type_mfpe ("fluid", 0,
- NULL, NULL, print_fluid, NULL);
-#include "fluids.x"
+ scm_tc16_fluid = scm_make_smob_type ("fluid", 0);
+ scm_set_smob_print (scm_tc16_fluid, fluid_print);
+#include "libguile/fluids.x"
}
+
+/*
+ Local Variables:
+ c-file-style: "gnu"
+ End:
+*/