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1e598865e9
gdb_interface.h, gdbint.c, gdbint.h, gh_data.c, gh_init.c, gh_io.c, gh_list.c, gh_predicates.c, gh_test_c.c, gh_test_repl.c, init.c, net_db.c, options.c, options.h, ports.c, print.c, read.c, script.h, snarf.h, srcprop.c, srcprop.h, stacks.c, stacks.h, throw.c: Update copyright years; these files have been worked on significantly in 1997, but only had copyright years for 1996. Also, change name of copyright holder on some from Mikael Djurfeldt to Free Software Foundation; he has signed papers assigning the changes to the FSF.
107 lines
3.9 KiB
C
107 lines
3.9 KiB
C
/* Copyright (C) 1995,1996,1997 Free Software Foundation, Inc.
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this software; see the file COPYING. If not, write to
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* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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* As a special exception, the Free Software Foundation gives permission
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* for additional uses of the text contained in its release of GUILE.
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*
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* The exception is that, if you link the GUILE library with other files
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* to produce an executable, this does not by itself cause the
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* resulting executable to be covered by the GNU General Public License.
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* Your use of that executable is in no way restricted on account of
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* linking the GUILE library code into it.
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*
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* This exception does not however invalidate any other reasons why
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* the executable file might be covered by the GNU General Public License.
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*
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* This exception applies only to the code released by the
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* Free Software Foundation under the name GUILE. If you copy
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* code from other Free Software Foundation releases into a copy of
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* GUILE, as the General Public License permits, the exception does
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* not apply to the code that you add in this way. To avoid misleading
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* anyone as to the status of such modified files, you must delete
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* this exception notice from them.
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*
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* If you write modifications of your own for GUILE, it is your choice
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* whether to permit this exception to apply to your modifications.
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* If you do not wish that, delete this exception notice.
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*/
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/* Guile high level (gh_) interface, initialization-related stuff */
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#include <stdio.h>
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#include <gh.h>
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typedef void (*main_prog_t) (int argc, char **argv);
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typedef void (*repl_prog_t) (int argc, char **argv);
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/* This function takes care of all real GH initialization. Since it's
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called by scm_boot_guile, it can safely work with heap objects, or
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call functions that do so. */
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static void
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gh_launch_pad (void *closure, int argc, char **argv)
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{
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main_prog_t c_main_prog = (main_prog_t) closure;
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gh_eval_str ("(primitive-load-path \"ice-9/boot-9.scm\")");
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c_main_prog (argc, argv);
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exit (0);
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}
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/* starts up the Scheme interpreter, and stays in it. c_main_prog()
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is the address of the user's main program, since gh_enter() never
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returns. */
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void
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gh_enter (int argc, char *argv[], main_prog_t c_main_prog)
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{
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scm_boot_guile (argc, argv, gh_launch_pad, c_main_prog);
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/* never returns */
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}
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/* offer a REPL to the C programmer; for now I just invoke the ice-9
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REPL that is written in Scheme */
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void
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gh_repl ()
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{
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/* gh_eval_str("(primitive-load-path \"ice-9/boot-9.scm\")"); */
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gh_eval_str ("(top-repl)");
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}
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/* libguile programmers need exception handling mechanisms; here is
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the recommended way of doing it with the gh_ interface */
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/* gh_catch() -- set up an exception handler for a particular type of
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error (or any thrown error if tag is SCM_BOOL_T); see
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../libguile/throw.c for the comments explaining scm_internal_catch */
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SCM
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gh_catch (SCM tag, scm_catch_body_t body, void *body_data,
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scm_catch_handler_t handler, void *handler_data)
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{
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return scm_internal_catch (tag, body, body_data, handler, handler_data);
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}
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SCM
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gh_standard_handler (void *data, SCM tag, SCM throw_args)
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{
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fprintf (stderr, "\nJust got an error; tag is\n ");
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scm_display (tag, scm_current_output_port ());
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scm_newline (scm_current_output_port ());
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scm_newline (scm_current_output_port ());
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return SCM_BOOL_F;
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}
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