mirror of
https://git.savannah.gnu.org/git/guile.git
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5c8cefe591
* libguile/frames.c, libguile/instructions.c, libguile/objcodes.c, libguile/programs.c, libguile/throw.c, libguile/vm-i-scheme.c, libguile/vm.c: Replace uses of discouraged constructs by their current counterparts.
348 lines
8.4 KiB
C
348 lines
8.4 KiB
C
/* Copyright (C) 2001, 2009 Free Software Foundation, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation; either version 3 of
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* the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301 USA
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*/
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#if HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <string.h>
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#include "_scm.h"
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#include "vm-bootstrap.h"
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#include "instructions.h"
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#include "modules.h"
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#include "programs.h"
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#include "procprop.h" /* scm_sym_name */
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#include "srcprop.h" /* scm_sym_filename */
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#include "vm.h"
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static SCM write_program = SCM_BOOL_F;
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SCM_DEFINE (scm_make_program, "make-program", 1, 2, 0,
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(SCM objcode, SCM objtable, SCM free_variables),
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"")
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#define FUNC_NAME s_scm_make_program
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{
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SCM_VALIDATE_OBJCODE (1, objcode);
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if (SCM_UNLIKELY (SCM_UNBNDP (objtable)))
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objtable = SCM_BOOL_F;
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else if (scm_is_true (objtable))
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SCM_VALIDATE_VECTOR (2, objtable);
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if (SCM_UNLIKELY (SCM_UNBNDP (free_variables)))
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free_variables = SCM_BOOL_F;
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else if (free_variables != SCM_BOOL_F)
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SCM_VALIDATE_VECTOR (3, free_variables);
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return scm_double_cell (scm_tc7_program, (scm_t_bits)objcode,
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(scm_t_bits)objtable, (scm_t_bits)free_variables);
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}
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#undef FUNC_NAME
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void
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scm_i_program_print (SCM program, SCM port, scm_print_state *pstate)
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{
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static int print_error = 0;
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if (scm_is_false (write_program) && scm_module_system_booted_p)
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write_program = scm_module_local_variable
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(scm_c_resolve_module ("system vm program"),
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scm_from_locale_symbol ("write-program"));
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if (scm_is_false (write_program) || print_error)
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{
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scm_puts ("#<program ", port);
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scm_uintprint (SCM_CELL_WORD_1 (program), 16, port);
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scm_putc ('>', port);
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}
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else
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{
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print_error = 1;
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scm_call_2 (SCM_VARIABLE_REF (write_program), program, port);
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print_error = 0;
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}
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}
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/*
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* Scheme interface
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*/
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SCM_DEFINE (scm_program_p, "program?", 1, 0, 0,
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(SCM obj),
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"")
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#define FUNC_NAME s_scm_program_p
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{
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return scm_from_bool (SCM_PROGRAM_P (obj));
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}
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#undef FUNC_NAME
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SCM_DEFINE (scm_program_base, "program-base", 1, 0, 0,
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(SCM program),
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"")
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#define FUNC_NAME s_scm_program_base
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{
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SCM_VALIDATE_PROGRAM (1, program);
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return scm_from_ulong ((unsigned long) SCM_PROGRAM_DATA (program)->base);
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}
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#undef FUNC_NAME
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SCM_DEFINE (scm_program_objects, "program-objects", 1, 0, 0,
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(SCM program),
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"")
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#define FUNC_NAME s_scm_program_objects
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{
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SCM_VALIDATE_PROGRAM (1, program);
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return SCM_PROGRAM_OBJTABLE (program);
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}
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#undef FUNC_NAME
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SCM_DEFINE (scm_program_module, "program-module", 1, 0, 0,
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(SCM program),
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"")
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#define FUNC_NAME s_scm_program_module
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{
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SCM objs;
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SCM_VALIDATE_PROGRAM (1, program);
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objs = SCM_PROGRAM_OBJTABLE (program);
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return scm_is_true (objs) ? scm_c_vector_ref (objs, 0) : SCM_BOOL_F;
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}
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#undef FUNC_NAME
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SCM_DEFINE (scm_program_meta, "program-meta", 1, 0, 0,
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(SCM program),
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"")
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#define FUNC_NAME s_scm_program_meta
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{
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SCM metaobj;
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SCM_VALIDATE_PROGRAM (1, program);
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metaobj = scm_objcode_meta (SCM_PROGRAM_OBJCODE (program));
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if (scm_is_true (metaobj))
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return scm_make_program (metaobj, SCM_BOOL_F, SCM_BOOL_F);
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else
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return SCM_BOOL_F;
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}
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#undef FUNC_NAME
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SCM_DEFINE (scm_program_bindings, "program-bindings", 1, 0, 0,
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(SCM program),
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"")
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#define FUNC_NAME s_scm_program_bindings
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{
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SCM meta;
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SCM_VALIDATE_PROGRAM (1, program);
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meta = scm_program_meta (program);
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if (scm_is_false (meta))
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return SCM_BOOL_F;
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return scm_car (scm_call_0 (meta));
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}
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#undef FUNC_NAME
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SCM_DEFINE (scm_program_sources, "program-sources", 1, 0, 0,
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(SCM program),
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"")
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#define FUNC_NAME s_scm_program_sources
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{
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SCM meta, sources, ret, filename;
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SCM_VALIDATE_PROGRAM (1, program);
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meta = scm_program_meta (program);
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if (scm_is_false (meta))
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return SCM_EOL;
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filename = SCM_BOOL_F;
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ret = SCM_EOL;
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for (sources = scm_cadr (scm_call_0 (meta)); !scm_is_null (sources);
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sources = scm_cdr (sources))
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{
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SCM x = scm_car (sources);
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if (scm_is_pair (x))
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{
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if (scm_is_number (scm_car (x)))
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{
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SCM addr = scm_car (x);
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ret = scm_acons (addr, scm_cons (filename, scm_cdr (x)),
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ret);
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}
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else if (scm_is_eq (scm_car (x), scm_sym_filename))
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filename = scm_cdr (x);
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}
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}
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return scm_reverse_x (ret, SCM_UNDEFINED);
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}
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#undef FUNC_NAME
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SCM_DEFINE (scm_program_arities, "program-arities", 1, 0, 0,
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(SCM program),
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"")
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#define FUNC_NAME s_scm_program_arities
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{
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SCM meta;
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SCM_VALIDATE_PROGRAM (1, program);
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meta = scm_program_meta (program);
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if (scm_is_false (meta))
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return SCM_BOOL_F;
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return scm_caddr (scm_call_0 (meta));
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}
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#undef FUNC_NAME
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SCM_DEFINE (scm_program_properties, "program-properties", 1, 0, 0,
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(SCM program),
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"")
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#define FUNC_NAME s_scm_program_properties
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{
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SCM meta;
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SCM_VALIDATE_PROGRAM (1, program);
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meta = scm_program_meta (program);
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if (scm_is_false (meta))
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return SCM_EOL;
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return scm_cdddr (scm_call_0 (meta));
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}
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#undef FUNC_NAME
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SCM_DEFINE (scm_program_name, "program-name", 1, 0, 0,
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(SCM program),
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"")
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#define FUNC_NAME s_scm_program_name
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{
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SCM_VALIDATE_PROGRAM (1, program);
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return scm_assq_ref (scm_program_properties (program), scm_sym_name);
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}
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#undef FUNC_NAME
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SCM_DEFINE (scm_program_source, "program-source", 2, 0, 0,
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(SCM program, SCM ip),
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"")
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#define FUNC_NAME s_scm_program_source
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{
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SCM_VALIDATE_PROGRAM (1, program);
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return scm_c_program_source (program, scm_to_size_t (ip));
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}
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#undef FUNC_NAME
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extern SCM
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scm_c_program_source (SCM program, size_t ip)
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{
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SCM sources, source = SCM_BOOL_F;
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for (sources = scm_program_sources (program);
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!scm_is_null (sources)
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&& scm_to_size_t (scm_caar (sources)) <= ip;
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sources = scm_cdr (sources))
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source = scm_car (sources);
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return source; /* (addr . (filename . (line . column))) */
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}
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SCM_DEFINE (scm_program_free_variables, "program-free-variables", 1, 0, 0,
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(SCM program),
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"")
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#define FUNC_NAME s_scm_program_free_variables
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{
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SCM_VALIDATE_PROGRAM (1, program);
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return SCM_PROGRAM_FREE_VARIABLES (program);
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}
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#undef FUNC_NAME
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SCM_DEFINE (scm_program_objcode, "program-objcode", 1, 0, 0,
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(SCM program),
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"Return a @var{program}'s object code.")
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#define FUNC_NAME s_scm_program_objcode
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{
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SCM_VALIDATE_PROGRAM (1, program);
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return SCM_PROGRAM_OBJCODE (program);
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}
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#undef FUNC_NAME
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/* This one is a shim to pre-case-lambda internal interfaces. Avoid it if you
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can -- use program-arguments or the like. */
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static SCM sym_arglist;
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int
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scm_i_program_arity (SCM program, int *req, int *opt, int *rest)
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{
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SCM arities, x;
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arities = scm_program_arities (program);
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if (!scm_is_pair (arities))
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return 0;
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/* take the last arglist, it will be least specific */
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while (scm_is_pair (scm_cdr (arities)))
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arities = scm_cdr (arities);
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x = scm_cddar (arities);
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if (scm_is_pair (x))
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{
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*req = scm_to_int (scm_car (x));
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x = scm_cdr (x);
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if (scm_is_pair (x))
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{
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*opt = scm_to_int (scm_car (x));
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x = scm_cdr (x);
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if (scm_is_pair (x))
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*rest = scm_is_true (scm_car (x));
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else
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*rest = 0;
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}
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else
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*opt = *rest = 0;
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}
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else
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*req = *opt = *rest = 0;
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return 1;
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}
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void
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scm_bootstrap_programs (void)
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{
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/* arglist can't be snarfed, because snarfage is only loaded when (system vm
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program) is loaded. perhaps static-alloc will fix this. */
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sym_arglist = scm_from_locale_symbol ("arglist");
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scm_c_register_extension ("libguile", "scm_init_programs",
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(scm_t_extension_init_func)scm_init_programs, NULL);
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}
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void
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scm_init_programs (void)
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{
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scm_bootstrap_vm ();
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#ifndef SCM_MAGIC_SNARFER
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#include "libguile/programs.x"
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#endif
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}
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/*
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Local Variables:
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c-file-style: "gnu"
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End:
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*/
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