-/* Copyright (C) 1994, 1995, 1996, 1997 Free Software Foundation, Inc.
+/* Copyright (C) 1994, 1995, 1996, 1997, 1998, 2000 Free Software Foundation, Inc.
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
*
* You should have received a copy of the GNU General Public License
* along with this software; see the file COPYING. If not, write to
- * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+ * the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
+ * Boston, MA 02111-1307 USA
*
* As a special exception, the Free Software Foundation gives permission
* for additional uses of the text contained in its release of GUILE.
*
* If you write modifications of your own for GUILE, it is your choice
* whether to permit this exception to apply to your modifications.
- * If you do not wish that, delete this exception notice.
- */
+ * If you do not wish that, delete this exception notice. */
/* "script.c" argv tricks for `#!' scripts.
- Author: Aubrey Jaffer */
+ Authors: Aubrey Jaffer and Jim Blandy */
+
+/* Software engineering face-lift by Greg J. Badros, 11-Dec-1999,
+ gjb@cs.washington.edu, http://www.cs.washington.edu/homes/gjb */
#include <stdio.h>
#include <ctype.h>
-#include "_scm.h"
-#include "gh.h"
-#include "load.h"
+#include "libguile/_scm.h"
+#include "libguile/gh.h"
+#include "libguile/load.h"
+#include "libguile/version.h"
-#include "script.h"
+#include "libguile/validate.h"
+#include "libguile/script.h"
-#ifdef __IBMC__
-#include <io.h>
-#endif /* def __IBMC__ */
+#ifdef HAVE_STRING_H
+#include <string.h>
+#endif
-#ifdef linux
-#include <unistd.h> /* for X_OK define */
-#endif /* def linux */
-#ifdef __svr4__
-#include <unistd.h> /* for X_OK define */
-#else
-#ifdef __sgi__
+#ifdef HAVE_UNISTD_H
#include <unistd.h> /* for X_OK define */
-#endif /* def __sgi__ */
-#endif /* def __svr4__ */
-#ifdef hpux
-#define const
-/**/
#endif
/* Concatentate str2 onto str1 at position n and return concatenated
string if file exists; 0 otherwise. */
static char *
-scm_cat_path (str1, str2, n)
- char *str1;
- const char *str2;
- long n;
+scm_cat_path (char *str1, const char *str2, long n)
{
if (!n)
n = strlen (str2);
#if 0
static char *
-scm_try_path (path)
- char *path;
+scm_try_path (char *path)
{
FILE *f;
/* fprintf(stderr, "Trying %s\n", path);fflush(stderr); */
}
static char *
-scm_sep_init_try (path, sep, initname)
- char *path;
- const char *sep, *initname;
+scm_sep_init_try (char *path, const char *sep, const char *initname)
{
if (path)
path = scm_cat_path (path, sep, 0L);
#define X_OK 1
#endif /* ndef X_OK */
-#ifdef unix
-#include <stdio.h>
-
char *
-scm_find_executable (name)
- const char *name;
+scm_find_executable (const char *name)
{
char tbuf[MAXPATHLEN];
int i = 0;
fclose (f);
return scm_cat_path (0L, name, 0L);
}
-#endif /* unix */
-
-#ifdef MSDOS
-
-#define DEFAULT_PATH "C:\\DOS"
-#define PATH_DELIMITER ';'
-#define ABSOLUTE_FILENAME_P(fname) ((fname[0] == '\\') \
- || (fname[0] && (fname[1] == ':')))
-
-char *
-dld_find_executable (file)
- const char *file;
-{
- /* fprintf(stderr, "dld_find_executable %s -> %s\n", file, scm_cat_path(0L, file, 0L)); fflush(stderr); */
- return scm_cat_path (0L, file, 0L);
-}
-#endif /* def MSDOS */
-
-#if 0
-/* This code was originally borrowed from SCM; Guile sees things
- differently. */
-
-/* Given dld_find_executable()'s best guess for the pathname of this
- executable, find (and verify the existence of) initname in the
- implementation-vicinity of this program. Returns a newly allocated
- string if successful, 0 if not */
-
-char *
-scm_find_impl_file (exec_path, generic_name, initname, sep)
- char *exec_path;
- const char *generic_name, *initname, *sep;
-{
- char *sepptr = strrchr (exec_path, sep[0]);
- char *extptr = exec_path + strlen (exec_path);
- char *path = 0;
- /* fprintf(stderr, "dld_find_e %s\n", exec_path); fflush(stderr); */
- if (sepptr)
- {
- long sepind = sepptr - exec_path + 1L;
-
- /* In case exec_path is in the source directory, look first in
- exec_path's directory. */
- path = scm_cat_path (0L, exec_path, sepind - 1L);
- path = scm_sep_init_try (path, sep, initname);
- if (path)
- return path;
-
-#ifdef MSDOS
- if (!strcmp (extptr - 4, ".exe") || !strcmp (extptr - 4, ".com") ||
- !strcmp (extptr - 4, ".EXE") || !strcmp (extptr - 4, ".COM"))
- extptr = extptr - 4;
-#endif /* def MSDOS */
-
- if (generic_name &&
- !strncmp (exec_path + sepind, generic_name, extptr - exec_path))
- generic_name = 0;
-
- /* If exec_path is in directory "exe" or "bin": */
- path = scm_cat_path (0L, exec_path, sepind - 1L);
- sepptr = path + sepind - 4;
- if (!strcmp (sepptr, "exe") || !strcmp (sepptr, "bin") ||
- !strcmp (sepptr, "EXE") || !strcmp (sepptr, "BIN"))
- {
- char *peer;
-
- /* Look for initname in peer directory "lib". */
- if (path)
- {
- strncpy (sepptr, "lib", 3);
- path = scm_sep_init_try (path, sep, initname);
- if (path)
- return path;
- }
-
- /* Look for initname in peer directories "lib" and "src" in
- subdirectory with the name of the executable (sans any type
- extension like .EXE). */
- for (peer = "lib"; !0; peer = "src")
- {
- path = scm_cat_path (0L, exec_path, extptr - exec_path + 0L);
- if (path)
- {
- strncpy (path + sepind - 4, peer, 3);
- path[extptr - exec_path] = 0;
- path = scm_sep_init_try (path, sep, initname);
- if (path)
- return path;
- }
- if (!strcmp (peer, "src"))
- break;
- }
-
- if (generic_name)
- {
-
- /* Look for initname in peer directories "lib" and "src" in
- subdirectory with the generic name. */
- for (peer = "lib"; !0; peer = "src")
- {
- path = scm_cat_path (0L, exec_path, sepind);
- if (path)
- {
- strncpy (path + sepind - 4, "lib", 3);
- path = scm_cat_path (path, generic_name, 0L);
- path = scm_sep_init_try (path, sep, initname);
- if (path)
- return path;
- }
- if (!strcmp (peer, "src"))
- break;
- }
- }
- }
-
-#ifdef MSDOS
- if (strlen (extptr))
- {
- /* If exec_path has type extension, look in a subdirectory with
- the name of the executable sans the executable file's type
- extension. */
- path = scm_cat_path (0L, exec_path, extptr - exec_path + 0L);
- path = scm_sep_init_try (path, sep, initname);
- if (path)
- return path;
-
- if (generic_name)
- {
-
- /* Also look in generic_name subdirectory. */
- path = scm_cat_path (0L, exec_path, sepind);
- if (path)
- path = scm_cat_path (path, generic_name, 0L);
- path = scm_sep_init_try (path, sep, initname);
- if (path)
- return path;
- }
- }
-#endif /* def MSDOS */
- }
- else
- {
-
- /* We don't have a parse-able exec_path. The only path to try is
- just initname. */
- path = scm_cat_path (0L, initname, 0L);
- if (path)
- path = scm_try_path (path);
- if (path)
- return path;
- }
- return 0L;
-}
-#endif /* 0 */
/* Read a \nnn-style escape. We've just read the backslash. */
static int
-script_get_octal (f)
- FILE *f;
+script_get_octal (FILE *f)
+#define FUNC_NAME "script_get_octal"
{
int i;
int value = 0;
if ('0' <= c && c <= '7')
value = (value * 8) + (c - '0');
else
- scm_wta (SCM_UNDEFINED,
- "malformed script: bad octal backslash escape",
- "script argument parser");
+ SCM_MISC_ERROR ("malformed script: bad octal backslash escape",
+ SCM_EOL);
}
return value;
}
+#undef FUNC_NAME
static int
-script_get_backslash (f)
- FILE *f;
+script_get_backslash (FILE *f)
+#define FUNC_NAME "script_get_backslash"
{
int c = getc (f);
case '4': case '5': case '6': case '7':
ungetc (c, f);
return script_get_octal (f);
-
+
case EOF:
- scm_wta (SCM_UNDEFINED,
- "malformed script: backslash followed by EOF",
- "script argument parser");
+ SCM_MISC_ERROR ("malformed script: backslash followed by EOF", SCM_EOL);
return 0; /* not reached? */
default:
- scm_wta (SCM_UNDEFINED,
- "malformed script: bad backslash sequence",
- "script argument parser");
+ SCM_MISC_ERROR ("malformed script: bad backslash sequence", SCM_EOL);
return 0; /* not reached? */
}
}
+#undef FUNC_NAME
static char *
-script_read_arg (f)
- FILE *f;
+script_read_arg (FILE *f)
+#define FUNC_NAME "script_read_arg"
{
int size = 7;
char *buf = malloc (size + 1);
case '\t':
free (buf);
- scm_wta (SCM_UNDEFINED,
- "malformed script: TAB in meta-arguments",
- "argument parser");
+ SCM_MISC_ERROR ("malformed script: TAB in meta-arguments", SCM_EOL);
return 0; /* not reached? */
}
}
}
+#undef FUNC_NAME
static int
-script_meta_arg_P (arg)
- char *arg;
+script_meta_arg_P (char *arg)
{
if ('\\' != arg[0])
return 0L;
}
char **
-scm_get_meta_args (argc, argv)
- int argc;
- char **argv;
+scm_get_meta_args (int argc, char **argv)
{
int nargc = argc, argi = 1, nargi = 1;
char *narg, **nargv;
}
int
-scm_count_argv (argv)
- char **argv;
+scm_count_argv (char **argv)
{
int argc = 0;
while (argv[argc])
" -e FUNCTION after reading script, apply FUNCTION to\n"
" command line arguments\n"
" -ds do -s script at this point\n"
+ " --debug start with debugging evaluator and backtraces\n"
+ " -q inhibit loading of user init file\n"
" --emacs enable Emacs protocol (experimental)\n"
" -h, --help display this help and exit\n"
" -v, --version display version information and exit\n"
scm_usage_name);
if (fatal)
- exit (1);
+ exit (fatal);
}
ice-9 into modules which can be frozen and statically linked like any
other module. Then all the modules can describe their dependencies in
the usual way, and the auto-generated inner_main will do the right
- thing. */
+ thing. */
+
+static char guile[] = "guile";
SCM
scm_compile_shell_switches (int argc, char **argv)
the "-ds" switch. */
SCM entry_point = SCM_EOL; /* for -e switch */
int interactive = 1; /* Should we go interactive when done? */
+ int inhibit_user_init = 0; /* Don't load user init file */
int use_emacs_interface = 0;
int i;
- char *argv0;
+ char *argv0 = guile;
if (argc > 0)
{
+ argv0 = argv[0];
scm_usage_name = strrchr (argv[0], '/');
if (! scm_usage_name)
scm_usage_name = argv[0];
scm_usage_name++;
}
if (! scm_usage_name)
- scm_usage_name = "guile";
- argv0 = scm_usage_name;
+ scm_usage_name = guile;
for (i = 1; i < argc; i++)
{
/* If we specified the -ds option, do_script points to the
cdr of an expression like (load #f); we replace the car
(i.e., the #f) with the script name. */
- if (do_script != SCM_EOL)
+ if (!SCM_NULLP (do_script))
{
SCM_SETCAR (do_script, scm_makfrom0str (argv[i]));
do_script = SCM_EOL;
{
/* We put a dummy "load" expression, and let the -s put the
filename in. */
- if (do_script != SCM_EOL)
+ if (!SCM_NULLP (do_script))
scm_shell_usage (1, "the -ds switch may only be specified once");
do_script = scm_cons (SCM_BOOL_F, SCM_EOL);
tail = scm_cons (scm_cons (sym_load, do_script),
tail);
}
+ else if (! strcmp (argv[i], "--debug")) /* debug eval + backtraces */
+ {
+ SCM_DEVAL_P = 1;
+ SCM_BACKTRACE_P = 1;
+ SCM_RECORD_POSITIONS_P = 1;
+ SCM_RESET_DEBUG_MODE;
+ }
+
else if (! strcmp (argv[i], "--emacs")) /* use emacs protocol */
use_emacs_interface = 1;
+ else if (! strcmp (argv[i], "-q")) /* don't load user init */
+ inhibit_user_init = 1;
+
else if (! strcmp (argv[i], "-h")
|| ! strcmp (argv[i], "--help"))
{
{
/* Print version number. */
printf ("Guile %s\n"
- "Copyright (c) 1995, 1996 Free Software Foundation\n"
+ "Copyright (c) 1995, 1996, 1997, 2000 Free Software Foundation\n"
"Guile may be distributed under the terms of the GNU General Public Licence;\n"
"certain other uses are permitted as well. For details, see the file\n"
"`COPYING', which is included in the Guile distribution.\n"
"There is no warranty, to the extent permitted by law.\n",
- GUILE_VERSION);
+ SCM_STRING_CHARS (scm_version ()));
exit (0);
}
}
/* Check to make sure the -ds got a -s. */
- if (do_script != SCM_EOL)
+ if (!SCM_NULLP (do_script))
scm_shell_usage (1, "the `-ds' switch requires the use of `-s' as well");
/* Make any remaining arguments available to the
script/command/whatever. */
- scm_set_program_arguments (argc - i, argv + i, argv0);
+ scm_set_program_arguments (argc ? argc - i : 0, argv + i, argv0);
/* If the --emacs switch was set, now is when we process it. */
- scm_sysintern ("use-emacs-interface",
- (use_emacs_interface) ? SCM_BOOL_T : SCM_BOOL_F);
+ scm_sysintern ("use-emacs-interface", SCM_BOOL (use_emacs_interface));
/* Handle the `-e' switch, if it was specified. */
- if (entry_point != SCM_EOL)
+ if (!SCM_NULLP (entry_point))
tail = scm_cons (scm_cons2 (entry_point,
scm_cons (sym_command_line, SCM_EOL),
SCM_EOL),
tail);
- /* If we didn't end with a -c or a -s, load the user's customization
- file, and start the repl. */
+ /* If we didn't end with a -c or a -s, start the repl. */
if (interactive)
{
- tail = scm_cons (scm_cons (sym_load_user_init, SCM_EOL), tail);
tail = scm_cons (scm_cons (sym_top_repl, SCM_EOL), tail);
}
+ else
+ {
+ /* After doing all the other actions prescribed by the command line,
+ quit. */
+ tail = scm_cons (scm_cons (sym_quit, SCM_EOL),
+ tail);
+ /* Allow asyncs (signal handlers etc.) to be run. */
+ scm_mask_ints = 0;
+ }
- /* After doing all the other actions prescribed by the command line,
- quit. */
- tail = scm_cons (scm_cons (sym_quit, SCM_EOL),
- tail);
-
- {
- /* We want a path only containing directories from SCHEME_LOAD_PATH,
- SCM_SITE_DIR and SCM_LIBRARY_DIR when searching for the site init
- file, so we do this before loading Ice-9. */
- SCM init_path = scm_sys_search_load_path (scm_makfrom0str ("init.scm"));
-
- /* Load Ice-9. */
- scm_primitive_load_path (scm_makfrom0str ("ice-9/boot-9.scm"));
-
- /* Load the init.scm file. */
- if (SCM_NFALSEP (init_path))
- scm_primitive_load (init_path);
- }
+ /* After the following line, actions will be added to the front. */
+ tail = scm_reverse_x (tail, SCM_UNDEFINED);
+
+ /* If we didn't end with a -c or a -s and didn't supply a -q, load
+ the user's customization file. */
+ if (interactive && !inhibit_user_init)
+ {
+ tail = scm_cons (scm_cons (sym_load_user_init, SCM_EOL), tail);
+ }
{
- SCM val = scm_cons (sym_begin, scm_list_reverse_x (tail, SCM_UNDEFINED));
+ SCM val = scm_cons (sym_begin, tail);
#if 0
scm_write (val, SCM_UNDEFINED);
void
-scm_shell (argc, argv)
- int argc;
- char **argv;
+scm_shell (int argc, char **argv)
{
/* If present, add SCSH-style meta-arguments from the top of the
script file to the argument vector. See the SCSH manual: "The
}
}
- scm_eval_x (scm_compile_shell_switches (argc, argv));
+ exit (scm_exit_status (scm_eval_x (scm_compile_shell_switches (argc, argv),
+ scm_the_root_module ())));
}
void
scm_init_script ()
{
-#include "script.x"
+#ifndef SCM_MAGIC_SNARFER
+#include "libguile/script.x"
+#endif
}
+
+/*
+ Local Variables:
+ c-file-style: "gnu"
+ End:
+*/
HCoop / bpt / guile.git / blobdiff