mirror of
https://git.savannah.gnu.org/git/guile.git
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53befeb700
(Not quite finished, the following will be done tomorrow. module/srfi/*.scm module/rnrs/*.scm module/scripts/*.scm testsuite/*.scm guile-readline/* )
367 lines
9.2 KiB
C
367 lines
9.2 KiB
C
/* Copyright (C) 2001 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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scm_t_bits scm_tc16_program;
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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 external),
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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 (external)))
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external = SCM_EOL;
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else
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/* FIXME: currently this test is quite expensive (can be 2-3% of total
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execution time in programs that make many closures). We could remove it,
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yes, but we'd get much better gains if we used some other method, like
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just capturing the variables that we need instead of all heap-allocated
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variables. Dunno. Keeping the check for now, as it's a user-callable
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function, and inlining the op in the vm's make-closure operation. */
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SCM_VALIDATE_LIST (3, external);
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SCM_RETURN_NEWSMOB3 (scm_tc16_program, objcode, objtable, external);
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}
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#undef FUNC_NAME
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static SCM
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program_mark (SCM obj)
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{
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if (scm_is_true (SCM_PROGRAM_OBJTABLE (obj)))
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scm_gc_mark (SCM_PROGRAM_OBJTABLE (obj));
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if (!scm_is_null (SCM_PROGRAM_EXTERNALS (obj)))
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scm_gc_mark (SCM_PROGRAM_EXTERNALS (obj));
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return SCM_PROGRAM_OBJCODE (obj);
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}
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static SCM
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program_apply (SCM program, SCM args)
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{
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return scm_vm_apply (scm_the_vm (), program, args);
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}
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static SCM
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program_apply_0 (SCM program)
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{
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return scm_c_vm_run (scm_the_vm (), program, NULL, 0);
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}
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static SCM
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program_apply_1 (SCM program, SCM a)
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{
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return scm_c_vm_run (scm_the_vm (), program, &a, 1);
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}
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static SCM
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program_apply_2 (SCM program, SCM a, SCM b)
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{
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SCM args[2];
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args[0] = a;
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args[1] = b;
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return scm_c_vm_run (scm_the_vm (), program, args, 2);
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}
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static int
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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_FALSEP (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_FALSEP (write_program) || print_error)
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return scm_smob_print (program, port, pstate);
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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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return 1;
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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_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_arity, "program-arity", 1, 0, 0,
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(SCM program),
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"")
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#define FUNC_NAME s_scm_program_arity
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{
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struct scm_objcode *p;
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SCM_VALIDATE_PROGRAM (1, program);
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p = SCM_PROGRAM_DATA (program);
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return scm_list_4 (SCM_I_MAKINUM (p->nargs),
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SCM_I_MAKINUM (p->nrest),
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SCM_I_MAKINUM (p->nlocs),
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SCM_I_MAKINUM (p->nexts));
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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_EOL);
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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_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_cddr (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_external, "program-external", 1, 0, 0,
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(SCM program),
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"")
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#define FUNC_NAME s_scm_program_external
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{
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SCM_VALIDATE_PROGRAM (1, program);
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return SCM_PROGRAM_EXTERNALS (program);
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}
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#undef FUNC_NAME
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SCM_DEFINE (scm_program_external_set_x, "program-external-set!", 2, 0, 0,
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(SCM program, SCM external),
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"Modify the list of closure variables of @var{program} (for "
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"debugging purposes).")
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#define FUNC_NAME s_scm_program_external_set_x
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{
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SCM_VALIDATE_PROGRAM (1, program);
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SCM_VALIDATE_LIST (2, external);
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SCM_PROGRAM_EXTERNALS (program) = external;
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return SCM_UNSPECIFIED;
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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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void
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scm_bootstrap_programs (void)
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{
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scm_tc16_program = scm_make_smob_type ("program", 0);
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scm_set_smob_mark (scm_tc16_program, program_mark);
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scm_set_smob_apply (scm_tc16_program, program_apply, 0, 0, 1);
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scm_smobs[SCM_TC2SMOBNUM (scm_tc16_program)].apply_0 = program_apply_0;
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scm_smobs[SCM_TC2SMOBNUM (scm_tc16_program)].apply_1 = program_apply_1;
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scm_smobs[SCM_TC2SMOBNUM (scm_tc16_program)].apply_2 = program_apply_2;
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scm_set_smob_print (scm_tc16_program, program_print);
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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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