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-rw-r--r--libguile/procs.h107
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diff --git a/libguile/procs.h b/libguile/procs.h
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+/* classes: h_files */
+
+#ifndef PROCSH
+#define PROCSH
+/* 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.
+ */
+
+
+#include "__scm.h"
+
+
+
+
+/* Subrs
+ */
+
+typedef struct scm_subr
+{
+ long sname;
+ SCM (*cproc) ();
+} scm_subr;
+
+typedef struct scm_iproc
+{
+ char *scm_string;
+ SCM (*cproc) ();
+} scm_iproc;
+
+typedef struct scm_dsubr
+{
+ long sname;
+ double (*dproc) ();
+} scm_dsubr;
+
+#define SCM_SNAME(x) ((SCM_CAR(x)>>8)?(SCM)(scm_heap_org+(SCM_CAR(x)>>8)):scm_nullstr)
+#define SCM_SUBRF(x) (((scm_subr *)(SCM2PTR(x)))->cproc)
+#define SCM_DSUBRF(x) (((scm_dsubr *)(SCM2PTR(x)))->dproc)
+#define SCM_CCLO_SUBR(x) (SCM_VELTS(x)[0])
+
+/* Closures
+ */
+
+#define SCM_CLOSUREP(x) (SCM_TYP3(x)==scm_tc3_closure)
+#define SCM_CLOSCAR(x) (SCM_CAR(x)-scm_tc3_closure)
+#define SCM_CODE(x) SCM_CAR(SCM_CLOSCAR (x))
+#define SCM_PROCPROPS(x) SCM_CDR(SCM_CLOSCAR (x))
+#define SCM_SETCODE(x, e) SCM_CAR(x) = (scm_cons ((e), SCM_EOL) + scm_tc3_closure)
+#define SCM_ENV(x) SCM_CDR(x)
+#define SCM_TOP_LEVEL(SCM_ENV) (SCM_NULLP(SCM_ENV) || (SCM_BOOL_T == scm_procedure_p (SCM_CAR (SCM_ENV))))
+
+
+
+
+#ifdef __STDC__
+extern SCM scm_make_subr (char *name, int type, SCM (*fcn) ());
+extern SCM scm_makcclo (SCM proc, long len);
+extern SCM scm_procedure_p (SCM obj);
+extern void scm_init_iprocs(scm_iproc *subra, int type);
+extern void scm_init_procs (void);
+
+#else /* STDC */
+extern SCM scm_make_subr ();
+extern SCM scm_makcclo ();
+extern SCM scm_procedure_p ();
+extern void scm_init_iprocs();
+extern void scm_init_procs ();
+
+#endif /* STDC */
+#endif /* PROCSH */