mirror of
https://git.savannah.gnu.org/git/guile.git
synced 2025-04-30 20:00:19 +02:00
4a655e50a3
* libguile/bytevectors.c: * libguile/eval.c: * libguile/goops.c: * libguile/i18n.c: * libguile/load.c: * libguile/memoize.c: * libguile/modules.c: * libguile/ports.c: * libguile/print.c: * libguile/procs.c: * libguile/programs.c: * libguile/read.c: * libguile/script.c: * libguile/srfi-14.c: * libguile/stacks.c: * libguile/strings.c: * libguile/throw.c: * libguile/vm.c: Use scm_from_latin1_symboln to make symbols from string literals, because they aren't in the user's locale -- they are in ASCII, and we can optimize this case. * libguile/vm-i-loader.c: Also use scm_from_latin1_symboln when loading narrow symbols.
433 lines
11 KiB
C
433 lines
11 KiB
C
/* Copyright (C) 2001, 2009, 2010, 2011 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"
|
||
|
||
|
||
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
|
||
|
||
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_module_local_variable
|
||
(scm_c_resolve_module ("system vm program"),
|
||
scm_from_latin1_symbol ("write-program"));
|
||
|
||
if (SCM_PROGRAM_IS_CONTINUATION (program))
|
||
{
|
||
/* twingliness */
|
||
scm_puts ("#<continuation ", port);
|
||
scm_uintprint (SCM_UNPACK (program), 16, port);
|
||
scm_putc ('>', port);
|
||
}
|
||
else if (SCM_PROGRAM_IS_PARTIAL_CONTINUATION (program))
|
||
{
|
||
/* twingliness */
|
||
scm_puts ("#<partial-continuation ", port);
|
||
scm_uintprint (SCM_UNPACK (program), 16, port);
|
||
scm_putc ('>', port);
|
||
}
|
||
else if (scm_is_false (write_program) || print_error)
|
||
{
|
||
scm_puts ("#<program ", port);
|
||
scm_uintprint (SCM_UNPACK (program), 16, port);
|
||
scm_putc ('>', port);
|
||
}
|
||
else
|
||
{
|
||
print_error = 1;
|
||
scm_call_2 (SCM_VARIABLE_REF (write_program), program, port);
|
||
print_error = 0;
|
||
}
|
||
}
|
||
|
||
|
||
/*
|
||
* 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_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;
|
||
}
|
||
|
||
int
|
||
scm_i_program_arity (SCM program, int *req, int *opt, int *rest)
|
||
{
|
||
SCM arities;
|
||
|
||
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;
|
||
}
|
||
|
||
|
||
|
||
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:
|
||
*/
|