-/* classes: h_files */
-
-#ifndef SCM_GSUBR_H
-#define SCM_GSUBR_H
-
-/* Copyright (C) 1995,1996,1998,2000,2001, 2006, 2008, 2009 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
- */
-
-#define SCM_PRIMITIVE_P(x) (SCM_NIMP (x) && SCM_TYP7 (x) == scm_tc7_gsubr)
-#define SCM_PRIMITIVE_GENERIC_P(x) (SCM_PRIMITIVE_P (x) && SCM_SUBR_GENERIC (x))
-
-#define SCM_SUBR_META_INFO(x) ((SCM *) SCM_CELL_WORD_3 (x))
-#define SCM_SUBR_NAME(x) (SCM_SUBR_META_INFO (x) [0])
-#define SCM_SUBRF(x) ((SCM (*)()) SCM_CELL_WORD_1 (x))
-#define SCM_SUBR_PROPS(x) (SCM_SUBR_META_INFO (x) [1])
-#define SCM_SUBR_GENERIC(x) ((SCM *) SCM_CELL_WORD_2 (x))
-#define SCM_SET_SUBR_GENERIC(x, g) (*((SCM *) SCM_CELL_WORD_2 (x)) = (g))
-#define SCM_SET_SUBR_GENERIC_LOC(x, g) (SCM_SET_CELL_WORD_2 (x, (scm_t_bits) g))
-
-/* Return the most suitable subr type for a subr with REQ required arguments,
- OPT optional arguments, and REST (0 or 1) arguments. This has to be in
- sync with `create_gsubr ()'. */
-#define SCM_SUBR_ARITY_TO_TYPE(req, opt, rest) \
- (scm_tc7_gsubr | (SCM_GSUBR_MAKTYPE (req, opt, rest) << 8U))
-
-
-\f
-
-\f
-
-/* Return an integer describing the arity of GSUBR, a subr of type
- `scm_tc7_gsubr'. The result can be interpreted with `SCM_GSUBR_REQ ()'
- and similar. */
-#define SCM_GSUBR_TYPE(gsubr) (SCM_CELL_TYPE (gsubr) >> 8)
-
-#define SCM_GSUBR_MAKTYPE(req, opt, rst) ((req)|((opt)<<4)|((rst)<<8))
-#define SCM_GSUBR_MAX 33
-#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)
-
-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_INTERNAL SCM scm_i_gsubr_apply (SCM proc, SCM arg, ...);
-SCM_INTERNAL SCM scm_i_gsubr_apply_list (SCM proc, SCM args);
-SCM_INTERNAL SCM scm_i_gsubr_apply_array (SCM proc, SCM *args, int nargs,
- int headroom);
-SCM_INTERNAL 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:
+*/
HCoop / bpt / guile.git / blobdiff