-/* Copyright (C) 2001, 2009, 2010, 2011, 2012, 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
- */
-
-#if HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include <string.h>
-#include "_scm.h"
-#include "instructions.h"
-#include "modules.h"
-#include "programs.h"
-#include "procprop.h" /* scm_sym_name */
-#include "srcprop.h" /* scm_sym_filename */
-#include "vm.h"
-
-\f
-static SCM write_program = SCM_BOOL_F;
-
-SCM_DEFINE (scm_make_program, "make-program", 1, 2, 0,
- (SCM objcode, SCM objtable, SCM free_variables),
- "")
-#define FUNC_NAME s_scm_make_program
-{
- SCM_VALIDATE_OBJCODE (1, objcode);
- if (SCM_UNLIKELY (SCM_UNBNDP (objtable)))
- objtable = SCM_BOOL_F;
- else if (scm_is_true (objtable))
- SCM_VALIDATE_VECTOR (2, objtable);
-
- if (SCM_UNBNDP (free_variables) || scm_is_false (free_variables))
- {
- SCM ret = scm_words (scm_tc7_program, 3);
- SCM_SET_CELL_OBJECT_1 (ret, objcode);
- SCM_SET_CELL_OBJECT_2 (ret, objtable);
- return ret;
- }
- else
- {
- size_t i, len;
- SCM ret;
- SCM_VALIDATE_VECTOR (3, free_variables);
- len = scm_c_vector_length (free_variables);
- if (SCM_UNLIKELY (len >> 16))
- SCM_OUT_OF_RANGE (3, free_variables);
- ret = scm_words (scm_tc7_program | (len<<16), 3 + len);
- SCM_SET_CELL_OBJECT_1 (ret, objcode);
- SCM_SET_CELL_OBJECT_2 (ret, objtable);
- for (i = 0; i < len; i++)
- SCM_SET_CELL_OBJECT (ret, 3+i,
- SCM_SIMPLE_VECTOR_REF (free_variables, i));
- return ret;
- }
-}
-#undef FUNC_NAME
-
-SCM_DEFINE (scm_make_rtl_program, "make-rtl-program", 1, 2, 0,
- (SCM bytevector, SCM byte_offset, SCM free_variables),
- "")
-#define FUNC_NAME s_scm_make_rtl_program
-{
- scm_t_uint8 *code;
- scm_t_uint32 offset;
-
- if (!scm_is_bytevector (bytevector))
- scm_wrong_type_arg (FUNC_NAME, 1, bytevector);
- if (SCM_UNBNDP (byte_offset))
- offset = 0;
- else
- {
- offset = scm_to_uint32 (byte_offset);
- if (offset > SCM_BYTEVECTOR_LENGTH (bytevector))
- SCM_OUT_OF_RANGE (2, byte_offset);
- }
-
- code = (scm_t_uint8*) SCM_BYTEVECTOR_CONTENTS (bytevector) + offset;
- if (((scm_t_uintptr) code) % 4)
- SCM_OUT_OF_RANGE (2, byte_offset);
-
- if (SCM_UNBNDP (free_variables) || scm_is_false (free_variables))
- return scm_cell (scm_tc7_rtl_program, (scm_t_bits) code);
- else
- abort ();
-}
-#undef FUNC_NAME
-
-SCM_DEFINE (scm_rtl_program_code, "rtl-program-code", 1, 0, 0,
- (SCM program),
- "")
-#define FUNC_NAME s_scm_rtl_program_code
-{
- SCM_VALIDATE_RTL_PROGRAM (1, program);
-
- /* FIXME: we need scm_from_uintptr (). */
- return scm_from_size_t ((size_t) SCM_RTL_PROGRAM_CODE (program));
-}
-#undef FUNC_NAME
-
-SCM
-scm_i_rtl_program_name (SCM program)
-{
- static SCM rtl_program_name = SCM_BOOL_F;
-
- if (scm_is_false (rtl_program_name) && scm_module_system_booted_p)
- rtl_program_name =
- scm_c_private_variable ("system vm program", "rtl-program-name");
-
- return scm_call_1 (scm_variable_ref (rtl_program_name), program);
-}
-
-SCM
-scm_i_rtl_program_documentation (SCM program)
-{
- static SCM rtl_program_documentation = SCM_BOOL_F;
-
- if (scm_is_false (rtl_program_documentation) && scm_module_system_booted_p)
- rtl_program_documentation =
- scm_c_private_variable ("system vm program",
- "rtl-program-documentation");
-
- return scm_call_1 (scm_variable_ref (rtl_program_documentation), program);
-}
-
-SCM
-scm_i_rtl_program_properties (SCM program)
-{
- static SCM rtl_program_properties = SCM_BOOL_F;
-
- if (scm_is_false (rtl_program_properties) && scm_module_system_booted_p)
- rtl_program_properties =
- scm_c_private_variable ("system vm program", "rtl-program-properties");
-
- return scm_call_1 (scm_variable_ref (rtl_program_properties), program);
-}
-
-void
-scm_i_program_print (SCM program, SCM port, scm_print_state *pstate)
-{
- static int print_error = 0;
-
- if (scm_is_false (write_program) && scm_module_system_booted_p)
- write_program = scm_c_private_variable ("system vm program",
- "write-program");
-
- if (SCM_PROGRAM_IS_CONTINUATION (program))
- {
- /* twingliness */
- scm_puts_unlocked ("#<continuation ", port);
- scm_uintprint (SCM_UNPACK (program), 16, port);
- scm_putc_unlocked ('>', port);
- }
- else if (SCM_PROGRAM_IS_PARTIAL_CONTINUATION (program))
- {
- /* twingliness */
- scm_puts_unlocked ("#<partial-continuation ", port);
- scm_uintprint (SCM_UNPACK (program), 16, port);
- scm_putc_unlocked ('>', port);
- }
- else if (scm_is_false (write_program) || print_error)
- {
- if (SCM_RTL_PROGRAM_P (program))
- {
- scm_puts_unlocked ("#<rtl-program ", port);
- scm_uintprint (SCM_UNPACK (program), 16, port);
- scm_putc_unlocked (' ', port);
- scm_uintprint ((scm_t_uintptr) SCM_RTL_PROGRAM_CODE (program), 16, port);
- scm_putc_unlocked ('>', port);
- }
- else
- {
- scm_puts_unlocked ("#<program ", port);
- scm_uintprint (SCM_UNPACK (program), 16, port);
- scm_putc_unlocked ('>', port);
- }
- }
- else
- {
- print_error = 1;
- scm_call_2 (SCM_VARIABLE_REF (write_program), program, port);
- print_error = 0;
- }
-}
-
-\f
-/*
- * Scheme interface
- */
-
-SCM_DEFINE (scm_program_p, "program?", 1, 0, 0,
- (SCM obj),
- "")
-#define FUNC_NAME s_scm_program_p
-{
- return scm_from_bool (SCM_PROGRAM_P (obj));
-}
-#undef FUNC_NAME
-
-SCM_DEFINE (scm_rtl_program_p, "rtl-program?", 1, 0, 0,
- (SCM obj),
- "")
-#define FUNC_NAME s_scm_rtl_program_p
-{
- return scm_from_bool (SCM_RTL_PROGRAM_P (obj));
-}
-#undef FUNC_NAME
-
-SCM_DEFINE (scm_program_base, "program-base", 1, 0, 0,
- (SCM program),
- "")
-#define FUNC_NAME s_scm_program_base
-{
- const struct scm_objcode *c_objcode;
-
- SCM_VALIDATE_PROGRAM (1, program);
-
- c_objcode = SCM_PROGRAM_DATA (program);
- return scm_from_unsigned_integer ((scm_t_bits) SCM_C_OBJCODE_BASE (c_objcode));
-}
-#undef FUNC_NAME
-
-SCM_DEFINE (scm_program_objects, "program-objects", 1, 0, 0,
- (SCM program),
- "")
-#define FUNC_NAME s_scm_program_objects
-{
- SCM_VALIDATE_PROGRAM (1, program);
- return SCM_PROGRAM_OBJTABLE (program);
-}
-#undef FUNC_NAME
-
-SCM_DEFINE (scm_program_module, "program-module", 1, 0, 0,
- (SCM program),
- "")
-#define FUNC_NAME s_scm_program_module
-{
- SCM objs, mod;
- SCM_VALIDATE_PROGRAM (1, program);
- objs = SCM_PROGRAM_OBJTABLE (program);
- /* If a program is the result of compiling GLIL to assembly, then if
- it has an objtable, the first entry will be a module. But some
- programs are hand-coded trampolines, like boot programs and
- primitives and the like. So if a program happens to have a
- non-module in the first slot of the objtable, assume that it is
- such a trampoline, and just return #f for the module. */
- mod = scm_is_true (objs) ? scm_c_vector_ref (objs, 0) : SCM_BOOL_F;
- return SCM_MODULEP (mod) ? mod : SCM_BOOL_F;
-}
-#undef FUNC_NAME
-
-SCM_DEFINE (scm_program_meta, "program-meta", 1, 0, 0,
- (SCM program),
- "")
-#define FUNC_NAME s_scm_program_meta
-{
- SCM metaobj;
-
- SCM_VALIDATE_PROGRAM (1, program);
-
- metaobj = scm_objcode_meta (SCM_PROGRAM_OBJCODE (program));
- if (scm_is_true (metaobj))
- return scm_make_program (metaobj, SCM_PROGRAM_OBJTABLE (program),
- SCM_BOOL_F);
- else
- return SCM_BOOL_F;
-}
-#undef FUNC_NAME
-
-SCM_DEFINE (scm_program_bindings, "program-bindings", 1, 0, 0,
- (SCM program),
- "")
-#define FUNC_NAME s_scm_program_bindings
-{
- SCM meta;
-
- SCM_VALIDATE_PROGRAM (1, program);
-
- meta = scm_program_meta (program);
- if (scm_is_false (meta))
- return SCM_BOOL_F;
-
- return scm_car (scm_call_0 (meta));
-}
-#undef FUNC_NAME
-
-SCM_DEFINE (scm_program_sources, "program-sources", 1, 0, 0,
- (SCM program),
- "")
-#define FUNC_NAME s_scm_program_sources
-{
- SCM meta, sources, ret, filename;
-
- SCM_VALIDATE_PROGRAM (1, program);
-
- meta = scm_program_meta (program);
- if (scm_is_false (meta))
- return SCM_EOL;
-
- filename = SCM_BOOL_F;
- ret = SCM_EOL;
- for (sources = scm_cadr (scm_call_0 (meta)); !scm_is_null (sources);
- sources = scm_cdr (sources))
- {
- SCM x = scm_car (sources);
- if (scm_is_pair (x))
- {
- if (scm_is_number (scm_car (x)))
- {
- SCM addr = scm_car (x);
- ret = scm_acons (addr, scm_cons (filename, scm_cdr (x)),
- ret);
- }
- else if (scm_is_eq (scm_car (x), scm_sym_filename))
- filename = scm_cdr (x);
- }
- }
- return scm_reverse_x (ret, SCM_UNDEFINED);
-}
-#undef FUNC_NAME
-
-SCM_DEFINE (scm_program_arities, "program-arities", 1, 0, 0,
- (SCM program),
- "")
-#define FUNC_NAME s_scm_program_arities
-{
- SCM meta;
-
- SCM_VALIDATE_PROGRAM (1, program);
-
- meta = scm_program_meta (program);
- if (scm_is_false (meta))
- return SCM_BOOL_F;
-
- return scm_caddr (scm_call_0 (meta));
-}
-#undef FUNC_NAME
-
-SCM
-scm_i_program_properties (SCM program)
-#define FUNC_NAME "%program-properties"
-{
- SCM meta;
-
- SCM_VALIDATE_PROGRAM (1, program);
-
- meta = scm_program_meta (program);
- if (scm_is_false (meta))
- return SCM_EOL;
-
- return scm_cdddr (scm_call_0 (meta));
-}
-#undef FUNC_NAME
-
-static SCM
-program_source (SCM program, size_t ip, SCM sources)
-{
- SCM source = SCM_BOOL_F;
-
- while (!scm_is_null (sources)
- && scm_to_size_t (scm_caar (sources)) <= ip)
- {
- source = scm_car (sources);
- sources = scm_cdr (sources);
- }
-
- return source; /* (addr . (filename . (line . column))) */
-}
-
-SCM_DEFINE (scm_program_source, "program-source", 2, 1, 0,
- (SCM program, SCM ip, SCM sources),
- "")
-#define FUNC_NAME s_scm_program_source
-{
- SCM_VALIDATE_PROGRAM (1, program);
- if (SCM_UNBNDP (sources))
- sources = scm_program_sources (program);
- return program_source (program, scm_to_size_t (ip), sources);
-}
-#undef FUNC_NAME
-
-extern SCM
-scm_c_program_source (SCM program, size_t ip)
-{
- return program_source (program, ip, scm_program_sources (program));
-}
-
-SCM_DEFINE (scm_program_num_free_variables, "program-num-free-variables", 1, 0, 0,
- (SCM program),
- "")
-#define FUNC_NAME s_scm_program_num_free_variables
-{
- SCM_VALIDATE_PROGRAM (1, program);
- return scm_from_ulong (SCM_PROGRAM_NUM_FREE_VARIABLES (program));
-}
-#undef FUNC_NAME
-
-SCM_DEFINE (scm_program_free_variable_ref, "program-free-variable-ref", 2, 0, 0,
- (SCM program, SCM i),
- "")
-#define FUNC_NAME s_scm_program_free_variable_ref
-{
- unsigned long idx;
- SCM_VALIDATE_PROGRAM (1, program);
- SCM_VALIDATE_ULONG_COPY (2, i, idx);
- if (idx >= SCM_PROGRAM_NUM_FREE_VARIABLES (program))
- SCM_OUT_OF_RANGE (2, i);
- return SCM_PROGRAM_FREE_VARIABLE_REF (program, idx);
-}
-#undef FUNC_NAME
-
-SCM_DEFINE (scm_program_free_variable_set_x, "program-free-variable-set!", 3, 0, 0,
- (SCM program, SCM i, SCM x),
- "")
-#define FUNC_NAME s_scm_program_free_variable_set_x
-{
- unsigned long idx;
- SCM_VALIDATE_PROGRAM (1, program);
- SCM_VALIDATE_ULONG_COPY (2, i, idx);
- if (idx >= SCM_PROGRAM_NUM_FREE_VARIABLES (program))
- SCM_OUT_OF_RANGE (2, i);
- SCM_PROGRAM_FREE_VARIABLE_SET (program, idx, x);
- return SCM_UNSPECIFIED;
-}
-#undef FUNC_NAME
-
-SCM_DEFINE (scm_program_objcode, "program-objcode", 1, 0, 0,
- (SCM program),
- "Return a @var{program}'s object code.")
-#define FUNC_NAME s_scm_program_objcode
-{
- SCM_VALIDATE_PROGRAM (1, program);
-
- return SCM_PROGRAM_OBJCODE (program);
-}
-#undef FUNC_NAME
-
-/* procedure-minimum-arity support. */
-static void
-parse_arity (SCM arity, int *req, int *opt, int *rest)
-{
- SCM x = scm_cddr (arity);
-
- if (scm_is_pair (x))
- {
- *req = scm_to_int (scm_car (x));
- x = scm_cdr (x);
- if (scm_is_pair (x))
- {
- *opt = scm_to_int (scm_car (x));
- x = scm_cdr (x);
- if (scm_is_pair (x))
- *rest = scm_is_true (scm_car (x));
- else
- *rest = 0;
- }
- else
- *opt = *rest = 0;
- }
- else
- *req = *opt = *rest = 0;
-}
-
-static int
-scm_i_rtl_program_minimum_arity (SCM program, int *req, int *opt, int *rest)
-{
- static SCM rtl_program_minimum_arity = SCM_BOOL_F;
- SCM l;
-
- if (scm_is_false (rtl_program_minimum_arity) && scm_module_system_booted_p)
- rtl_program_minimum_arity =
- scm_c_private_variable ("system vm program",
- "rtl-program-minimum-arity");
-
- l = scm_call_1 (scm_variable_ref (rtl_program_minimum_arity), program);
- if (scm_is_false (l))
- return 0;
-
- *req = scm_to_int (scm_car (l));
- *opt = scm_to_int (scm_cadr (l));
- *rest = scm_is_true (scm_caddr (l));
-
- return 1;
-}
-
-int
-scm_i_program_arity (SCM program, int *req, int *opt, int *rest)
-{
- SCM arities;
-
- if (SCM_RTL_PROGRAM_P (program))
- return scm_i_rtl_program_minimum_arity (program, req, opt, rest);
-
- arities = scm_program_arities (program);
- if (!scm_is_pair (arities))
- return 0;
-
- parse_arity (scm_car (arities), req, opt, rest);
- arities = scm_cdr (arities);
-
- for (; scm_is_pair (arities); arities = scm_cdr (arities))
- {
- int thisreq, thisopt, thisrest;
-
- parse_arity (scm_car (arities), &thisreq, &thisopt, &thisrest);
-
- if (thisreq < *req
- || (thisreq == *req
- && ((thisrest && (!*rest || thisopt > *opt))
- || (!thisrest && !*rest && thisopt > *opt))))
- {
- *req = thisreq;
- *opt = thisopt;
- *rest = thisrest;
- }
- }
-
- return 1;
-}
-
-\f
-
-void
-scm_bootstrap_programs (void)
-{
- scm_c_register_extension ("libguile-" SCM_EFFECTIVE_VERSION,
- "scm_init_programs",
- (scm_t_extension_init_func)scm_init_programs, NULL);
-}
-
-void
-scm_init_programs (void)
-{
-#ifndef SCM_MAGIC_SNARFER
-#include "libguile/programs.x"
-#endif
-}
-
-/*
- Local Variables:
- c-file-style: "gnu"
- End:
-*/
+/* Copyright (C) 2001, 2009, 2010, 2011, 2012, 2013, 2014 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
+ */
+
+#if HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <string.h>
+#include "_scm.h"
+#include "modules.h"
+#include "programs.h"
+#include "procprop.h" /* scm_sym_name */
+#include "vm.h"
+
+\f
+static SCM write_program = SCM_BOOL_F;
+
+SCM_DEFINE (scm_program_code, "program-code", 1, 0, 0,
+ (SCM program),
+ "")
+#define FUNC_NAME s_scm_program_code
+{
+ SCM_VALIDATE_PROGRAM (1, program);
+
+ return scm_from_uintptr_t ((scm_t_uintptr) SCM_PROGRAM_CODE (program));
+}
+#undef FUNC_NAME
+
+SCM
+scm_i_program_name (SCM program)
+{
+ static SCM program_name = SCM_BOOL_F;
+
+ if (SCM_PRIMITIVE_P (program))
+ return SCM_SUBR_NAME (program);
+
+ if (scm_is_false (program_name) && scm_module_system_booted_p)
+ program_name =
+ scm_c_private_variable ("system vm program", "program-name");
+
+ return scm_call_1 (scm_variable_ref (program_name), program);
+}
+
+SCM
+scm_i_program_documentation (SCM program)
+{
+ static SCM program_documentation = SCM_BOOL_F;
+
+ if (SCM_PRIMITIVE_P (program))
+ return SCM_BOOL_F;
+
+ if (scm_is_false (program_documentation) && scm_module_system_booted_p)
+ program_documentation =
+ scm_c_private_variable ("system vm program", "program-documentation");
+
+ return scm_call_1 (scm_variable_ref (program_documentation), program);
+}
+
+SCM
+scm_i_program_properties (SCM program)
+{
+ static SCM program_properties = SCM_BOOL_F;
+
+ if (SCM_PRIMITIVE_P (program))
+ {
+ SCM name = scm_i_program_name (program);
+ if (scm_is_false (name))
+ return SCM_EOL;
+ return scm_acons (scm_sym_name, name, SCM_EOL);
+ }
+
+ if (scm_is_false (program_properties) && scm_module_system_booted_p)
+ program_properties =
+ scm_c_private_variable ("system vm program", "program-properties");
+
+ return scm_call_1 (scm_variable_ref (program_properties), program);
+}
+
+void
+scm_i_program_print (SCM program, SCM port, scm_print_state *pstate)
+{
+ static int print_error = 0;
+
+ if (scm_is_false (write_program) && scm_module_system_booted_p)
+ write_program = scm_c_private_variable ("system vm program",
+ "write-program");
+
+ if (SCM_PROGRAM_IS_CONTINUATION (program))
+ {
+ /* twingliness */
+ scm_puts_unlocked ("#<continuation ", port);
+ scm_uintprint (SCM_UNPACK (program), 16, port);
+ scm_putc_unlocked ('>', port);
+ }
+ else if (SCM_PROGRAM_IS_PARTIAL_CONTINUATION (program))
+ {
+ /* twingliness */
+ scm_puts_unlocked ("#<partial-continuation ", port);
+ scm_uintprint (SCM_UNPACK (program), 16, port);
+ scm_putc_unlocked ('>', port);
+ }
+ else if (scm_is_false (write_program) || print_error)
+ {
+ scm_puts_unlocked ("#<program ", port);
+ scm_uintprint (SCM_UNPACK (program), 16, port);
+ scm_putc_unlocked (' ', port);
+ scm_uintprint ((scm_t_uintptr) SCM_PROGRAM_CODE (program), 16, port);
+ scm_putc_unlocked ('>', port);
+ }
+ else
+ {
+ print_error = 1;
+ scm_call_2 (SCM_VARIABLE_REF (write_program), program, port);
+ print_error = 0;
+ }
+}
+
+\f
+/*
+ * Scheme interface
+ */
+
+SCM_DEFINE (scm_program_p, "program?", 1, 0, 0,
+ (SCM obj),
+ "")
+#define FUNC_NAME s_scm_program_p
+{
+ return scm_from_bool (SCM_PROGRAM_P (obj));
+}
+#undef FUNC_NAME
+
+SCM_DEFINE (scm_primitive_p, "primitive?", 1, 0, 0,
+ (SCM obj),
+ "")
+#define FUNC_NAME s_scm_primitive_p
+{
+ return scm_from_bool (SCM_PRIMITIVE_P (obj));
+}
+#undef FUNC_NAME
+
+SCM_DEFINE (scm_primitive_call_ip, "primitive-call-ip", 1, 0, 0,
+ (SCM prim),
+ "")
+#define FUNC_NAME s_scm_primitive_p
+{
+ SCM_MAKE_VALIDATE (1, prim, PRIMITIVE_P);
+
+ return scm_from_uintptr_t (scm_i_primitive_call_ip (prim));
+}
+#undef FUNC_NAME
+
+SCM
+scm_find_source_for_addr (SCM ip)
+{
+ static SCM source_for_addr = SCM_BOOL_F;
+
+ if (scm_is_false (source_for_addr)) {
+ if (!scm_module_system_booted_p)
+ return SCM_BOOL_F;
+
+ source_for_addr =
+ scm_c_private_variable ("system vm program", "source-for-addr");
+ }
+
+ return scm_call_1 (scm_variable_ref (source_for_addr), ip);
+}
+
+SCM
+scm_program_address_range (SCM program)
+{
+ static SCM program_address_range = SCM_BOOL_F;
+
+ if (scm_is_false (program_address_range) && scm_module_system_booted_p)
+ program_address_range =
+ scm_c_private_variable ("system vm program", "program-address-range");
+
+ return scm_call_1 (scm_variable_ref (program_address_range), program);
+}
+
+SCM_DEFINE (scm_program_num_free_variables, "program-num-free-variables", 1, 0, 0,
+ (SCM program),
+ "")
+#define FUNC_NAME s_scm_program_num_free_variables
+{
+ SCM_VALIDATE_PROGRAM (1, program);
+
+ return scm_from_ulong (SCM_PROGRAM_NUM_FREE_VARIABLES (program));
+}
+#undef FUNC_NAME
+
+SCM_DEFINE (scm_program_free_variable_ref, "program-free-variable-ref", 2, 0, 0,
+ (SCM program, SCM i),
+ "")
+#define FUNC_NAME s_scm_program_free_variable_ref
+{
+ unsigned long idx;
+
+ SCM_VALIDATE_PROGRAM (1, program);
+ SCM_VALIDATE_ULONG_COPY (2, i, idx);
+ if (idx >= SCM_PROGRAM_NUM_FREE_VARIABLES (program))
+ SCM_OUT_OF_RANGE (2, i);
+ return SCM_PROGRAM_FREE_VARIABLE_REF (program, idx);
+}
+#undef FUNC_NAME
+
+SCM_DEFINE (scm_program_free_variable_set_x, "program-free-variable-set!", 3, 0, 0,
+ (SCM program, SCM i, SCM x),
+ "")
+#define FUNC_NAME s_scm_program_free_variable_set_x
+{
+ unsigned long idx;
+
+ SCM_VALIDATE_PROGRAM (1, program);
+ SCM_VALIDATE_ULONG_COPY (2, i, idx);
+ if (idx >= SCM_PROGRAM_NUM_FREE_VARIABLES (program))
+ SCM_OUT_OF_RANGE (2, i);
+ SCM_PROGRAM_FREE_VARIABLE_SET (program, idx, x);
+ return SCM_UNSPECIFIED;
+}
+#undef FUNC_NAME
+
+int
+scm_i_program_arity (SCM program, int *req, int *opt, int *rest)
+{
+ static SCM program_minimum_arity = SCM_BOOL_F;
+ SCM l;
+
+ if (SCM_PRIMITIVE_P (program))
+ return scm_i_primitive_arity (program, req, opt, rest);
+
+ if (SCM_PROGRAM_IS_FOREIGN (program))
+ return scm_i_foreign_arity (program, req, opt, rest);
+
+ if (SCM_PROGRAM_IS_CONTINUATION (program)
+ || SCM_PROGRAM_IS_PARTIAL_CONTINUATION (program))
+ {
+ *req = *opt = 0;
+ *rest = 1;
+ return 1;
+ }
+
+ if (scm_is_false (program_minimum_arity) && scm_module_system_booted_p)
+ program_minimum_arity =
+ scm_c_private_variable ("system vm program", "program-minimum-arity");
+
+ l = scm_call_1 (scm_variable_ref (program_minimum_arity), program);
+ if (scm_is_false (l))
+ return 0;
+
+ *req = scm_to_int (scm_car (l));
+ *opt = scm_to_int (scm_cadr (l));
+ *rest = scm_is_true (scm_caddr (l));
+
+ return 1;
+}
+
+\f
+
+void
+scm_bootstrap_programs (void)
+{
+ scm_c_register_extension ("libguile-" SCM_EFFECTIVE_VERSION,
+ "scm_init_programs",
+ (scm_t_extension_init_func)scm_init_programs, NULL);
+}
+
+void
+scm_init_programs (void)
+{
+#ifndef SCM_MAGIC_SNARFER
+#include "libguile/programs.x"
+#endif
+}
+
+/*
+ Local Variables:
+ c-file-style: "gnu"
+ End:
+*/