degenerate let forms

[bpt/guile.git] / libguile / gsubr.h

diff --git a/libguile/gsubr.h b/libguile/gsubr.h
dissimilarity index 60%
index 6dd7c1c..065b947 100644 (file)
--- a/libguile/gsubr.h
+++ b/libguile/gsubr.h
@@ -1,62 +1,79 @@
-/* classes: h_files */
-
-#ifndef SCM_GSUBR_H
-#define SCM_GSUBR_H
-
-/* Copyright (C) 1995,1996,1998,2000,2001 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.
- *
- * 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
- */
-
-\f
-
-#include "libguile/__scm.h"
-
-\f
-
-#define SCM_GSUBR_MAKTYPE(req, opt, rst) ((req)|((opt)<<4)|((rst)<<8))
-#define SCM_GSUBR_REQ(x) ((long)(x)&0xf)
-#define SCM_GSUBR_OPT(x) (((long)(x)&0xf0)>>4)
-#define SCM_GSUBR_REST(x) ((long)(x)>>8)
-
-#define SCM_GSUBR_MAX 10
-#define SCM_GSUBR_TYPE(cclo) (SCM_CCLO_REF ((cclo), 1))
-#define SCM_SET_GSUBR_TYPE(cclo, type) (SCM_CCLO_SET ((cclo), 1, (type)))
-#define SCM_GSUBR_PROC(cclo) (SCM_CCLO_REF ((cclo), 2))
-#define SCM_SET_GSUBR_PROC(cclo, proc) (SCM_CCLO_SET ((cclo), 2, (proc)))
-
-SCM_API SCM scm_f_gsubr_apply;
-
-SCM_API SCM scm_c_make_gsubr (const char *name, 
-                             int req, int opt, int rst, SCM (*fcn) ());
-SCM_API SCM scm_c_make_gsubr_with_generic (const char *name,
-                                          int req, int opt, int rst,
-                                          SCM (*fcn) (), SCM *gf);
-SCM_API SCM scm_c_define_gsubr (const char *name, 
-                               int req, int opt, int rst, SCM (*fcn) ());
-SCM_API SCM scm_c_define_gsubr_with_generic (const char *name,
-                                            int req, int opt, int rst,
-                                            SCM (*fcn) (), SCM *gf);
-
-SCM_API SCM scm_gsubr_apply (SCM args);
-SCM_API void scm_init_gsubr (void);
-
-#endif  /* SCM_GSUBR_H */
-
-/*
-  Local Variables:
-  c-file-style: "gnu"
-  End:
-*/
+/* classes: h_files */
+
+#ifndef SCM_GSUBR_H
+#define SCM_GSUBR_H
+
+/* Copyright (C) 1995, 1996, 1998, 2000, 2001, 2006, 2008, 2009,
+ *   2010, 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
+
+#include "libguile/__scm.h"
+
+
+\f
+
+
+/* Subrs 
+ */
+
+/* Max number of args to the C procedure backing a gsubr */
+#define SCM_GSUBR_MAX 10
+
+#define SCM_PRIMITIVE_P(x) (SCM_PROGRAM_P (x) && SCM_PROGRAM_IS_PRIMITIVE (x))
+
+#define SCM_PRIMITIVE_GENERIC_P(x) (SCM_PROGRAM_P (x) && SCM_PROGRAM_IS_PRIMITIVE_GENERIC (x))
+
+#define SCM_SUBRF(x)                                                   \
+  ((SCM (*) (void))                                                     \
+   SCM_POINTER_VALUE (SCM_PROGRAM_FREE_VARIABLE_REF (x, 0)))
+
+#define SCM_SUBR_NAME(x) (SCM_PROGRAM_FREE_VARIABLE_REF (x, 1))
+
+#define SCM_SUBR_GENERIC(x)                                            \
+  ((SCM *) SCM_POINTER_VALUE (SCM_PROGRAM_FREE_VARIABLE_REF (x, 2)))
+
+#define SCM_SET_SUBR_GENERIC(x, g) \
+  (*SCM_SUBR_GENERIC (x) = (g))
+
+\f
+
+SCM_INTERNAL int scm_i_primitive_arity (SCM subr, int *req, int *opt, int *rest);
+SCM_INTERNAL scm_t_uintptr scm_i_primitive_call_ip (SCM subr);
+
+SCM_API SCM scm_c_make_gsubr (const char *name,
+                             int req, int opt, int rst, scm_t_subr fcn);
+SCM_API SCM scm_c_make_gsubr_with_generic (const char *name,
+                                          int req, int opt, int rst,
+                                          scm_t_subr fcn, SCM *gf);
+SCM_API SCM scm_c_define_gsubr (const char *name,
+                               int req, int opt, int rst, scm_t_subr fcn);
+SCM_API SCM scm_c_define_gsubr_with_generic (const char *name,
+                                            int req, int opt, int rst,
+                                            scm_t_subr fcn, SCM *gf);
+
+SCM_INTERNAL void scm_init_gsubr (void);
+
+#endif  /* SCM_GSUBR_H */
+
+/*
+  Local Variables:
+  c-file-style: "gnu"
+  End:
+*/