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fd9266eb79
racket/src/mzscheme/cmdline.inc
Matthew Flatt fd9266eb79 allow Windows build to live in a path that includes non-ASCII characters 
svn: r2907
2006-05-11 18:08:27 +00:00

1240 lines
32 KiB
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/***************************************************************/
/* This command-line parser is used by both MzScheme and MrEd. */
/***************************************************************/
#define SDESC "Set! works on undefined identifiers.\n"
char *cmdline_exe_hack = "[Replace me for EXE hack ]";
char *binary_type_hack = "bINARy tYPe:" INITIAL_BIN_TYPE;
#ifndef INITIAL_COLLECTS_DIRECTORY
# ifdef DOS_FILE_SYSTEM
# define INITIAL_COLLECTS_DIRECTORY "collects"
# else
# define INITIAL_COLLECTS_DIRECTORY "../collects"
# endif
#endif
static char *_coldir = "coLLECTs dIRECTORy:" /* <- this tag stays, so we can find it again */
INITIAL_COLLECTS_DIRECTORY "\0"
/* Pad with at least 512 bytes: */
"****************************************************************"
"****************************************************************"
"****************************************************************"
"****************************************************************"
"****************************************************************"
"****************************************************************"
"****************************************************************"
"****************************************************************";
static int _coldir_offset = 19; /* Skip permanent tag */
#ifndef MZ_PRECISE_GC
# define XFORM_OK_PLUS +
#endif
#ifdef DOS_FILE_SYSTEM
# include <Windows.h>
#define DLL_RELATIVE_PATH L"lib"
#include "delayed.inc"
extern
# ifdef __cplusplus
"C"
# endif
__declspec(dllexport) void scheme_set_dll_path(wchar_t *s);
static void record_dll_path(void)
{
if (_dlldir[_dlldir_offset] != '<') {
scheme_set_dll_path(_dlldir + _dlldir_offset);
}
}
# ifdef MZ_PRECISE_GC
END_XFORM_SKIP;
# endif
#endif
#ifndef DONT_PARSE_COMMAND_LINE
static int is_number_arg(const char *s)
{
while (*s) {
if (*s < '0' || *s > '9') {
if (*s == '.') {
s++;
while (*s) {
if (*s < '0' || *s > '9')
return 0;
else
s++;
}
return 1;
} else
return 0;
} else
s++;
}
return 1;
}
static char *protect_quote_backslash(const char *file)
{
int i, c;
for (i = c = 0; file[i]; i++) {
if ((file[i] == '"') || (file[i] == '\\'))
c++;
}
if (c) {
char *s;
s = (char *)malloc(i + c + 1);
for (i = c = 0; file[i]; i++) {
if ((file[i] == '"') || (file[i] == '\\'))
s[c++] = '\\';
s[c++] = file[i];
}
s[c] = 0;
return s;
} else
return (char *)file;
}
static char *check_script_runner(char *prog)
{
/* Check whether the program name is "...scheme-...": */
int i;
#ifdef UNIX_FILE_SYSTEM
# define IS_A_SEP(x) ((x) == '/')
#endif
#ifdef DOS_FILE_SYSTEM
# define IS_A_SEP(x) (((x) == '/') || ((x) == '\\'))
#endif
#ifdef MAC_FILE_SYSTEM
# define IS_A_SEP(x) ((x) == ':')
#endif
for (i = 0; prog[i]; i++) {
if ((prog[i] == 's')
&& (prog[i+1] == 'c')
&& (prog[i+2] == 'h')
&& (prog[i+3] == 'e')
&& (prog[i+4] == 'm')
&& (prog[i+5] == 'e')
&& (prog[i+6] == '-')) {
/* Maybe. Check directory separators. */
if (!i || IS_A_SEP(prog[i-1])) {
int j;
for (j = i + 7; prog[j]; j++) {
if (IS_A_SEP(prog[j]))
break;
}
if (!prog[j]) {
/* Yes, this is a script runner. */
char *lang;
#ifdef DOS_FILE_SYSTEM
/* Remove ".exe": */
j -= 4;
#endif
i += 7;
j -= i;
lang = (char *)malloc(j + 55);
memcpy(lang, "(require (lib \"init.ss\" \"script-lang\" \"", 39);
memcpy(lang + 39, prog + i, j);
memcpy(lang + 39 + j, "\"))", 4); /* gets null term */
return lang;
}
}
}
}
return NULL;
}
static char *make_load_cd(char *file)
{
char *s;
file = protect_quote_backslash(file);
s = (char *)malloc(strlen(file) + 13);
strcpy(s, "(load/cd \"");
strcat(s, file);
strcat(s, "\")");
return s;
}
static char *make_require(char *file)
{
char *s;
file = protect_quote_backslash(file);
s = (char *)malloc(strlen(file) + 20);
strcpy(s, "(require (file \"");
strcat(s, file);
strcat(s, "\"))");
return s;
}
static char *make_require_lib(const char *file, const char *coll)
{
char *s;
file = protect_quote_backslash(file);
coll = protect_quote_backslash(coll);
s = (char *)malloc(strlen(file) + strlen(coll) + 31);
strcpy(s, "(require (lib \"");
strcat(s, file);
strcat(s, "\" \"");
strcat(s, coll);
strcat(s, "\"))");
return s;
}
static char *make_require_coll(const char *coll)
{
char *s;
s = (char *)malloc(strlen(coll) + 4);
strcpy(s, coll);
strcat(s, ".ss");
return make_require_lib(s, coll);
}
static char *make_embedded_load(const char *start, const char *end)
{
char *s;
s = (char *)malloc((2 * strlen(start)) + strlen(end) + 512);
sprintf(s, "%s %s %s %s %s %s",
"(let* ([sp (find-system-path 'exec-file)] [exe (find-executable-path sp #f)]"
"[s (with-input-from-file exe (lambda () "
"(file-position (current-input-port)", start, ") "
"(read-bytes (- ", end, start, "))))]"
"[p (open-input-bytes s)])"
"(when (and (> (bytes-length s) 2)"
"(= (bytes-ref s 0) (char->integer #\\#))"
"(= (bytes-ref s 1) (char->integer #\\!)))"
"(read-bytes-line p))"
"(let loop () (let ([e (parameterize ([read-accept-compiled #t]) (read p))])"
"(unless (eof-object? e) (eval e) (loop)))))");
return s;
}
#endif
#define mzcmd_EVAL 0
#define mzcmd_LOAD 1
#define mzcmd_MAIN 2
typedef struct {
#ifndef DONT_PARSE_COMMAND_LINE
char **evals_and_loads;
int *eval_kind, num_enl;
Scheme_Object *main_args;
#endif
#ifndef DONT_LOAD_INIT_FILE
int no_init_file;
#endif
#ifndef DONT_RUN_REP
int no_rep;
int script_mode;
#endif
#ifdef VERSION_YIELD_FLAG
int add_yield;
#endif
#ifdef CMDLINE_STDIO_FLAG
int alternate_rep;
int no_front;
#endif
Scheme_Env *global_env;
} FinishArgs;
typedef void (*Repl_Proc)(Scheme_Env *);
static int finish_cmd_line_run(FinishArgs *fa, Repl_Proc repl)
{
volatile int exit_val = 0;
#ifndef DONT_LOAD_INIT_FILE
if (!fa->no_init_file) {
char *filename;
filename = GET_INIT_FILENAME(fa->global_env);
if (filename) {
filename = scheme_expand_filename(filename, -1, "startup", NULL, SCHEME_GUARD_FILE_EXISTS);
if (scheme_file_exists(filename))
scheme_load(filename);
}
}
#endif /* DONT_LOAD_INIT_FILE */
#ifndef DONT_PARSE_COMMAND_LINE
{
volatile int i;
mz_jmp_buf * volatile save, newbuf;
for (i = 0; i < fa->num_enl; i++) {
if (fa->eval_kind[i] == mzcmd_LOAD) {
if (!scheme_load(fa->evals_and_loads[i])) {
exit_val = 1;
break;
}
} else if (fa->eval_kind[i] == mzcmd_EVAL) {
Scheme_Thread * volatile p;
p = scheme_get_current_thread();
save = p->error_buf;
p->error_buf = &newbuf;
if (!scheme_setjmp(newbuf))
scheme_eval_string_all(fa->evals_and_loads[i], fa->global_env, 0);
else {
exit_val = 1;
p->error_buf = save;
break;
}
p->error_buf = save;
} else if (fa->eval_kind[i] == mzcmd_MAIN) {
Scheme_Thread * volatile p;
p = scheme_get_current_thread();
save = p->error_buf;
p->error_buf = &newbuf;
if (!scheme_setjmp(newbuf)) {
Scheme_Object *a[1], *m, *fn;
m = scheme_eval_string("main", fa->global_env);
fn = scheme_make_locale_string(fa->evals_and_loads[i]);
SCHEME_SET_CHAR_STRING_IMMUTABLE(fn);
a[0] = scheme_make_pair(fn, scheme_vector_to_list(fa->main_args));
(void)scheme_apply(m, 1, a);
} else {
exit_val = 1;
p->error_buf = save;
break;
}
p->error_buf = save;
}
}
}
#endif /* DONT_PARSE_COMMAND_LINE */
#ifdef STANDALONE_WITH_EMBEDDED_EXTENSION
{
Scheme_Object *f, *a[1];
mz_jmp_buf * volatile save, newbuf;
Scheme_Thread * volatile p;
p = scheme_get_current_thread();
save = p->error_buf;
p->error_buf = &newbuf;
if (!scheme_setjmp(newbuf)) {
f = scheme_initialize(fa->global_env);
a[0] = scheme_make_true();
f = _scheme_apply_multi(f, 1, a);
if (SAME_OBJ(f, SCHEME_MULTIPLE_VALUES)
&& (scheme_multiple_count == 2)) {
f = scheme_multiple_array[0];
_scheme_apply(f, 0, NULL);
}
} else {
exit_val = 1;
}
p->error_buf = save;
}
#endif
#ifndef DONT_RUN_REP
if (!fa->no_rep && !fa->script_mode) {
/* enter read-eval-print loop */
mz_jmp_buf * volatile save, newbuf;
Scheme_Thread * volatile p;
p = scheme_get_current_thread();
save = p->error_buf;
p->error_buf = &newbuf;
if (!scheme_setjmp(newbuf)) {
repl(fa->global_env);
exit_val = 0;
} else {
exit_val = 1;
#ifdef VERSION_YIELD_FLAG
fa->add_yield = 0;
#endif
}
p->error_buf = save;
}
#endif /* DONT_RUN_REP */
#ifdef VERSION_YIELD_FLAG
if (fa->add_yield) {
mz_jmp_buf * volatile save, newbuf;
Scheme_Thread * volatile p;
p = scheme_get_current_thread();
save = p->error_buf;
p->error_buf = &newbuf;
if (!scheme_setjmp(newbuf)) {
yield_indefinitely();
}
p->error_buf = save;
}
#endif
return exit_val;
}
#ifndef NO_FILE_SYSTEM_UTILS
static void init_collection_paths(Scheme_Env *global_env)
{
mz_jmp_buf * volatile save, newbuf;
Scheme_Thread * volatile p;
p = scheme_get_current_thread();
save = p->error_buf;
p->error_buf = &newbuf;
if (!scheme_setjmp(newbuf)) {
Scheme_Object *clcp, *flcp, *a[1];
clcp = scheme_builtin_value("current-library-collection-paths");
flcp = scheme_builtin_value("find-library-collection-paths");
if (clcp && flcp) {
a[0] = _scheme_apply(flcp, 0, NULL);
_scheme_apply(clcp, 1, a);
}
}
p->error_buf = save;
}
#endif
#ifndef MZSCHEME_CMD_LINE
static void init_mred(Scheme_Env *global_env)
{
mz_jmp_buf * volatile save, newbuf;
Scheme_Thread * volatile p;
p = scheme_get_current_thread();
save = p->error_buf;
p->error_buf = &newbuf;
if (!scheme_setjmp(newbuf)) {
scheme_eval_string("(require (lib \"class.ss\"))",
global_env);
scheme_eval_string("(require (lib \"mred.ss\" \"mred\"))",
global_env);
scheme_eval_string("(current-load text-editor-load-handler)",
global_env);
}
p->error_buf = save;
}
#endif
#ifdef USE_OSKIT_CONSOLE
/* Hack to disable normal input mode: */
int osk_not_console = 0;
#endif
#if defined(_IBMR2)
static void dangerdanger(int);
#endif
#ifndef MZ_XFORM
# ifndef GC_CAN_IGNORE
# define GC_CAN_IGNORE /**/
# endif
#endif
static int run_from_cmd_line(int argc, char *_argv[],
Scheme_Env *(*mk_basic_env)(void),
int (*cont_run)(FinishArgs *f))
{
GC_CAN_IGNORE char **argv = _argv;
Scheme_Env *global_env;
char *prog, *sprog = NULL;
Scheme_Object *sch_argv, *collects_path = NULL;
int i;
#ifndef DONT_PARSE_COMMAND_LINE
char **evals_and_loads, *real_switch = NULL, *runner;
int *eval_kind, num_enl;
int no_more_switches = 0;
int mute_banner = 0;
int no_argv = 0;
#endif
#if !defined(DONT_RUN_REP) || !defined(DONT_PARSE_COMMAND_LINE)
int no_rep = 0;
int script_mode = 0;
#endif
#if !defined(MZSCHEME_CMD_LINE)
int skip_init_mred = 0;
#endif
#if !defined(DONT_LOAD_INIT_FILE) || !defined(DONT_PARSE_COMMAND_LINE)
int no_init_file = 0;
#endif
#ifdef VERSION_YIELD_FLAG
int add_yield = 1;
#endif
#ifdef CMDLINE_STDIO_FLAG
int alternate_rep = 0;
int no_front = 0;
#endif
int no_lib_path = 0;
FinishArgs *fa;
#ifdef GC_THINKS_ITS_A_DLL_BUT_ISNT
DllMain(NULL, DLL_PROCESS_ATTACH, NULL);
#endif
prog = argv[0];
argv++;
--argc;
#ifdef DOS_FILE_SYSTEM
{
/* For consistency, strip trailing spaces and dots, and make sure the .exe
extension is present. */
int l = strlen(prog);
if ((l > 0) && ((prog[l-1] == ' ') || (prog[l-1] == '.'))) {
char *s;
while ((l > 0) && ((prog[l-1] == ' ') || (prog[l-1] == '.'))) {
l--;
}
s = (char *)scheme_malloc_atomic(l + 1);
memcpy(s, prog, l);
s[l] = 0;
prog = s;
}
if (l <= 4
|| (prog[l - 4] != '.')
|| (tolower(((unsigned char *)prog)[l - 3]) != 'e')
|| (tolower(((unsigned char *)prog)[l - 2]) != 'x')
|| (tolower(((unsigned char *)prog)[l - 1]) != 'e')) {
char *s;
s = (char *)scheme_malloc_atomic(l + 4 + 1);
memcpy(s, prog, l);
memcpy(s + l, ".exe", 5);
prog = s;
}
}
#endif
/* If cmdline_exe_hack is changed, then we extract built-in
arguments. */
if (cmdline_exe_hack[0] != '[') {
int n, i;
long d;
GC_CAN_IGNORE unsigned char *p;
GC_CAN_IGNORE unsigned char *orig_p;
char **argv2;
#ifdef DOS_FILE_SYSTEM
if ((cmdline_exe_hack[0] == '?')
|| (cmdline_exe_hack[0] == '*')) {
/* This is how we make launchers in Windows.
The cmdline is appended to the end of the binary.
The long integer at cmdline_exe_hack[4] says
where the old end was, and cmdline_exe_hack[8]
says how long the cmdline string is. It might
be relative to the executable. */
wchar_t *path;
HANDLE fd;
path = (wchar_t *)malloc(1024 * sizeof(wchar_t));
GetModuleFileNameW(NULL, path, 1024);
fd = CreateFileW(path, GENERIC_READ,
FILE_SHARE_READ | FILE_SHARE_WRITE,
NULL,
OPEN_EXISTING,
0,
NULL);
if (fd == INVALID_HANDLE_VALUE)
p = (unsigned char *)"\0\0\0";
else {
long start, len;
DWORD got;
start = *(long *)&cmdline_exe_hack[4];
len = *(long *)&cmdline_exe_hack[8];
p = (unsigned char *)malloc(len);
SetFilePointer(fd, start, 0, FILE_BEGIN);
ReadFile(fd, p, len, &got, NULL);
CloseHandle(fd);
if (got != len)
p = (unsigned char *)"\0\0\0";
else if (cmdline_exe_hack[0] == '*') {
/* "*" means that the first item is argv[0] replacement: */
sprog = prog;
prog = (char *)p + 4;
if ((prog[0] == '\\')
|| ((((prog[0] >= 'a') && (prog[0] <= 'z'))
|| ((prog[0] >= 'A') && (prog[0] <= 'Z')))
&& (prog[1] == ':'))) {
/* Absolute path */
} else {
/* Make it absolute, relative to this executable */
int plen = strlen(prog);
int mlen, len;
char *s2, *p2;
/* UTF-8 encode path: */
for (len = 0; path[len]; len++) { }
mlen = scheme_utf8_encode((unsigned int *)path, 0, len,
NULL, 0,
1 /* UTF-16 */);
p2 = (char *)malloc(mlen + 1);
mlen = scheme_utf8_encode((unsigned int *)path, 0, len,
(unsigned char *)p2, 0,
1 /* UTF-16 */);
while (mlen && (p2[mlen - 1] != '\\')) {
mlen--;
}
s2 = (char *)malloc(mlen + plen + 1);
memcpy(s2, p2, mlen);
memcpy(s2 + mlen, prog, plen + 1);
prog = s2;
}
p += (p[0]
+ (((long)p[1]) << 8)
+ (((long)p[2]) << 16)
+ (((long)p[3]) << 24)
+ 4);
}
}
} else
#endif
p = (unsigned char *)cmdline_exe_hack + 1;
/* Command line is encoded as a sequence of pascal-style strings;
we use four whole bytes for the length, though, little-endian. */
orig_p = p;
n = 0;
while (p[0] || p[1] || p[2] || p[3]) {
n++;
p += (p[0]
+ (((long)p[1]) << 8)
+ (((long)p[2]) << 16)
+ (((long)p[3]) << 24)
+ 4);
}
argv2 = (char **)malloc(sizeof(char *) * (argc + n));
p = orig_p;
for (i = 0; i < n; i++) {
d = (p[0]
+ (((long)p[1]) << 8)
+ (((long)p[2]) << 16)
+ (((long)p[3]) << 24));
argv2[i] = (char *)p + 4;
p += d + 4;
}
for (; i < n + argc; i++) {
argv2[i] = argv[i - n];
}
argv = argv2;
argc += n;
}
#ifndef DONT_PARSE_COMMAND_LINE
if (argc && (!strcmp(argv[0], "--restore")
|| ((argv[0][0] == '-') && (argv[0][1] == 'R')))) {
PRINTF("image loading (with --restore or -R<file>) is not supported\n");
return 1;
}
evals_and_loads = (char **)malloc(sizeof(char *) * argc);
eval_kind = (int *)malloc(sizeof(int) * argc);
num_enl = 0;
#ifndef DONT_PARSE_COMMAND_LINE
runner = check_script_runner(prog);
if (runner) {
if (!argc) {
PRINTF("%s: missing script filename to load\n",
prog);
return 1;
}
evals_and_loads[0] = runner;
eval_kind[0] = mzcmd_EVAL;
evals_and_loads[1] = argv[0];
eval_kind[1] = mzcmd_LOAD;
evals_and_loads[2] = argv[0];
eval_kind[2] = mzcmd_MAIN;
num_enl = 3;
script_mode = 1;
no_more_switches = 1;
no_init_file = 1;
no_argv = 1;
argv++;
--argc;
}
#endif
while (!no_more_switches && argc && argv[0][0] == '-' && !is_number_arg(argv[0] + 1)) {
real_switch = argv[0];
if (!strcmp("--help", argv[0]))
argv[0] = "-h";
else if (!strcmp("--eval", argv[0]))
argv[0] = "-e";
else if (!strcmp("--load", argv[0]))
argv[0] = "-f";
else if (!strcmp("--load-cd", argv[0]))
argv[0] = "-d";
else if (!strcmp("--require", argv[0]))
argv[0] = "-t";
else if (!strcmp("--Load", argv[0]))
argv[0] = "-F";
else if (!strcmp("--Load-cd", argv[0]))
argv[0] = "-D";
else if (!strcmp("--Require", argv[0]))
argv[0] = "-T";
else if (!strcmp("--mzlib", argv[0]))
argv[0] = "-l";
else if (!strcmp("--case-sens", argv[0]))
argv[0] = "-g";
else if (!strcmp("--case-insens", argv[0]))
argv[0] = "-G";
else if (!strcmp("--set-undef", argv[0]))
argv[0] = "-s";
else if (!strcmp("--script", argv[0]))
argv[0] = "-r";
else if (!strcmp("--script-cd", argv[0]))
argv[0] = "-i";
else if (!strcmp("--require-script", argv[0]))
argv[0] = "-u";
else if (!strcmp("--main", argv[0]))
argv[0] = "-I";
else if (!strcmp("--name", argv[0]))
argv[0] = "-N";
else if (!strcmp("--no-lib-path", argv[0]))
argv[0] = "-x";
else if (!strcmp("--version", argv[0]))
argv[0] = "-v";
else if (!strcmp("--no-init-file", argv[0]))
argv[0] = "-q";
else if (!strcmp("--no-jit", argv[0]))
argv[0] = "-j";
else if (!strcmp("--no-argv", argv[0]))
argv[0] = "-A";
else if (!strcmp("--mute-banner", argv[0]))
argv[0] = "-m";
else if (!strcmp("--awk", argv[0]))
argv[0] = "-w";
else if (!strcmp("--binary", argv[0]))
argv[0] = "-b";
else if (!strcmp("--collects", argv[0]))
argv[0] = "-X";
# ifndef MZSCHEME_CMD_LINE
else if (!strcmp("--nogui", argv[0]))
argv[0] = "-Z";
# endif
# ifdef CMDLINE_STDIO_FLAG
else if (!strcmp("--stdio", argv[0]))
argv[0] = "-z";
else if (!strcmp("--back", argv[0]))
argv[0] = "-G";
# endif
# ifdef VERSION_YIELD_FLAG
else if (!strcmp("--yield", argv[0]))
argv[0] = "-V";
# endif
#if defined(_IBMR2)
else if (!strcmp("--persistent", argv[0]))
argv[0] = "-p";
#endif
else if (!strcmp("--restore", argv[0])) {
PRINTF("--restore or -R<file> must be the first (and only) switch\n");
goto show_need_help;
}
if (!argv[0][1] || (argv[0][1] == '-' && argv[0][2])) {
goto bad_switch;
} else {
GC_CAN_IGNORE char *str;
char *se;
for (str = argv[0] + 1; *str; str++) {
switch (*str) {
case 'h':
goto show_help;
break;
case 'g':
scheme_set_case_sensitive(1);
break;
case 'G':
scheme_set_case_sensitive(0);
break;
case 's':
scheme_set_allow_set_undefined(1);
break;
case 'e':
if (argc < 2) {
PRINTF("%s: missing expression after %s switch\n",
prog, real_switch);
goto show_need_help;
}
argv++;
--argc;
evals_and_loads[num_enl] = argv[0];
eval_kind[num_enl++] = mzcmd_EVAL;
break;
case 'X':
if (argc < 2) {
PRINTF("%s: missing path after %s switch\n",
prog, real_switch);
goto show_need_help;
}
argv++;
--argc;
collects_path = scheme_make_path(argv[0]);
break;
case 'x':
no_lib_path = 1;
break;
case 'C':
case 'r':
script_mode = 1;
no_more_switches = 1;
case 'f':
if (argc < 2) {
PRINTF("%s: missing file name after %s switch\n",
prog, real_switch);
goto show_need_help;
}
argv++;
--argc;
evals_and_loads[num_enl] = argv[0];
eval_kind[num_enl++] = mzcmd_LOAD;
if (*str == 'C') {
evals_and_loads[num_enl] = argv[0];
eval_kind[num_enl++] = mzcmd_MAIN;
}
break;
case 'i':
script_mode = 1;
no_more_switches = 1;
case 'd':
if (argc < 2) {
PRINTF("%s: missing file name after %s switch\n",
prog, real_switch);
goto show_need_help;
}
argv++;
--argc;
se = make_load_cd(argv[0]);
evals_and_loads[num_enl] = se;
eval_kind[num_enl++] = mzcmd_EVAL;
break;
case 'u':
script_mode = 1;
no_more_switches = 1;
case 't':
if (argc < 2) {
PRINTF("%s: missing file name after %s switch\n",
prog, real_switch);
goto show_need_help;
}
argv++;
--argc;
se = make_require(argv[0]);
evals_and_loads[num_enl] = se;
eval_kind[num_enl++] = mzcmd_EVAL;
break;
case 'F':
while (argc > 1) {
argv++;
--argc;
evals_and_loads[num_enl] = argv[0];
eval_kind[num_enl++] = mzcmd_LOAD;
}
break;
case 'D':
while (argc > 1) {
argv++;
--argc;
se = make_load_cd(argv[0]);
evals_and_loads[num_enl] = se;
eval_kind[num_enl++] = mzcmd_EVAL;
}
break;
case 'T':
while (argc > 1) {
argv++;
--argc;
se = make_require(argv[0]);
evals_and_loads[num_enl] = se;
eval_kind[num_enl++] = mzcmd_EVAL;
}
break;
case 'l':
if (argc < 2) {
PRINTF("%s: missing file after %s switch\n",
prog, real_switch);
goto show_need_help;
}
argv++;
--argc;
se = make_require_lib(argv[0], "mzlib");
evals_and_loads[num_enl] = se;
eval_kind[num_enl++] = mzcmd_EVAL;
break;
case 'L':
if (argc < 3) {
PRINTF("%s: missing %s after %s switch\n",
prog,
(argc < 2) ? "file and collection" : "collection",
real_switch);
goto show_need_help;
}
argv++;
--argc;
se = make_require_lib(argv[0], argv[1]);
evals_and_loads[num_enl] = se;
argv++;
--argc;
eval_kind[num_enl++] = mzcmd_EVAL;
break;
case 'M':
if (argc < 2) {
PRINTF("%s: missing collection after %s switch\n",
prog,
real_switch);
goto show_need_help;
}
argv++;
--argc;
se = make_require_coll(argv[0]);
evals_and_loads[num_enl] = se;
eval_kind[num_enl++] = mzcmd_EVAL;
break;
case 'w':
se = make_require_lib("awk.ss", "mzlib");
evals_and_loads[num_enl] = se;
eval_kind[num_enl++] = mzcmd_EVAL;
break;
case 'k':
if (argc < 3) {
PRINTF("%s: missing %s after %s switch\n",
prog,
(argc < 2) ? "starting and ending offsets" : "ending offset",
real_switch);
goto show_need_help;
}
argv++;
--argc;
se = make_embedded_load(argv[0], argv[1]);
evals_and_loads[num_enl] = se;
argv++;
--argc;
eval_kind[num_enl++] = mzcmd_EVAL;
break;
case 'N':
if (argc < 2) {
PRINTF("%s: missing name after %s switch\n",
prog,
real_switch);
goto show_need_help;
}
argv++;
--argc;
sprog = argv[0];
break;
case 'A':
no_argv = 1;
break;
case 'q':
no_init_file = 1;
break;
case 'v':
no_rep = 1;
break;
#ifdef VERSION_YIELD_FLAG
case 'V':
no_rep = 1;
add_yield = 0;
break;
#endif
case 'm':
mute_banner = 1;
break;
case '-':
no_more_switches = 1;
break;
case 'j':
scheme_set_startup_use_jit(0);
break;
case 'b':
scheme_set_binary_mode_stdio(1);
break;
#ifndef MZSCHEME_CMD_LINE
case 'Z':
skip_init_mred = 1;
break;
#endif
#ifdef CMDLINE_STDIO_FLAG
case 'z':
alternate_rep = 1;
no_front = 1;
break;
case 'K':
no_front = 1;
break;
#endif
#if defined(_IBMR2)
case 'p':
signal(SIGDANGER, dangerdanger);
break;
#endif
#ifdef USE_OSKIT_CONSOLE
case 'S':
osk_not_console = 1;
break;
#endif
case 'R':
PRINTF("--restore or -R<file> must be the first (and only) switch\n");
goto show_need_help;
break;
default:
goto bad_switch;
}
}
}
argv++;
--argc;
}
if (!script_mode && !mute_banner) {
#ifndef MZSCHEME_CMD_LINE
if (no_rep
#ifdef CMDLINE_STDIO_FLAG
|| alternate_rep
#endif
)
#endif
PRINTF(BANNER);
#ifdef MZSCHEME_CMD_LINE
if (scheme_get_allow_set_undefined())
PRINTF(SDESC);
# ifdef DOS_FILE_SYSTEM
# if !defined(FILES_HAVE_FDS)
# if !defined(WINDOWS_FILE_HANDLES)
PRINTF("Warning: read-eval-print-loop or read on a stream port may block threads.\n");
# endif
# endif
# endif
#endif
#if defined(USE_FD_PORTS) || defined(WINDOWS_FILE_HANDLES)
fflush(stdout);
#endif
}
#endif /* DONT_PARSE_COMMAND_LINE */
global_env = mk_basic_env();
sch_argv = scheme_make_vector(argc, NULL);
for (i = 0; i < argc; i++) {
Scheme_Object *so;
so = scheme_make_locale_string(argv[i]);
SCHEME_SET_CHAR_STRING_IMMUTABLE(so);
SCHEME_VEC_ELS(sch_argv)[i] = so;
}
if (argc)
SCHEME_SET_VECTOR_IMMUTABLE(sch_argv);
scheme_set_param(scheme_current_config(), MZCONFIG_CMDLINE_ARGS, sch_argv);
#ifndef DONT_PARSE_COMMAND_LINE
if (!no_argv)
#endif
scheme_add_global("argv", sch_argv, global_env);
{
Scheme_Object *ps;
scheme_set_exec_cmd(prog);
if (!sprog)
sprog = prog;
ps = scheme_set_run_cmd(sprog);
#ifndef DONT_PARSE_COMMAND_LINE
if (!no_argv)
#endif
scheme_add_global("program", ps, global_env);
}
#ifndef NO_FILE_SYSTEM_UTILS
/* Setup path for "collects" collection directory: */
if (!no_lib_path) {
if (!collects_path)
collects_path = scheme_make_path(_coldir XFORM_OK_PLUS _coldir_offset);
scheme_set_collects_path(collects_path);
init_collection_paths(global_env);
}
#endif /* NO_FILE_SYSTEM_UTILS */
#ifndef MZSCHEME_CMD_LINE
if (!skip_init_mred)
init_mred(global_env);
#endif
fa = (FinishArgs *)scheme_malloc(sizeof(FinishArgs));
#ifndef DONT_PARSE_COMMAND_LINE
fa->evals_and_loads = evals_and_loads;
fa->eval_kind = eval_kind;
fa->num_enl = num_enl;
fa->main_args = sch_argv;
#endif
#ifndef DONT_LOAD_INIT_FILE
fa->no_init_file = no_init_file;
#endif
#ifndef DONT_RUN_REP
fa->no_rep = no_rep;
fa->script_mode = script_mode;
#endif
#ifdef VERSION_YIELD_FLAG
fa->add_yield = add_yield;
#endif
#ifdef CMDLINE_STDIO_FLAG
fa->alternate_rep = alternate_rep;
fa->no_front = no_front;
#endif
fa->global_env = global_env;
scheme_set_can_break(1);
return cont_run(fa);
#ifndef DONT_PARSE_COMMAND_LINE
show_help:
prog =("%s"
# ifndef MZSCHEME_CMD_LINE
# ifdef wx_x
" X switches (must precede all other flags):\n"
" -display <display>, -geometry <geometry>, -fn <font>, -font <font>,\n"
" -bg <color>, -background <color>, -fg <color>, -foreground <color>,\n"
" -iconic, -name <name>, -rv, -reverse, +rv, -selectionTimeout <timeout>,\n"
" -synchronous, -title <title>, -xnllanguage <language>, -xrm <file>\n"
# endif
# endif
" Startup file and expression switches:\n"
" -e <expr>, --eval <expr> : Evaluates <expr> after " PROGRAM " starts.\n"
" -f <file>, --load <file> : Loads <file> after " PROGRAM " starts.\n"
" -d <file>, --load-cd <file> : Load/cds <file> after " PROGRAM " starts.\n"
" -t <file>, --require <file> : Requires <file> after " PROGRAM " starts.\n"
" -F, --Load : Loads all remaining arguments after " PROGRAM " starts.\n"
" -D, --Load-cd : Load/cds all remaining arguments after " PROGRAM " starts.\n"
" -T, --Require : Requires all remaining arguments after " PROGRAM " starts.\n"
" -l <file>, --mzlib <file> : Same as -e '(require (lib \"<file>\"))'.\n"
" -L <file> <coll> : Same as -e '(require (lib \"<file>\" \"<coll>\"))'.\n"
" -M <coll> : Same as -e '(require (lib \"<coll>.ss\" \"<coll>\"))'.\n"
" -r, --script : Script mode: use as last switch for scripts. Same as -fmv-.\n"
" -i, --script-cd : Like -r, but also sets the directory. Same as -dmv-.\n"
" -u, --require-script : Like -r, but requires a module. Same as -tmv-.\n"
# ifndef MZSCHEME_CMD_LINE
" -Z, --nogui : Skip \"class.ss\" & \"mred.ss\" require, load handler set.\n"
# endif
# ifdef CMDLINE_STDIO_FLAG
" -z, --stdio : Show version, use read-eval-print-loop (not graphical-...).\n"
" -K, --back : Don't bring application to the foreground (Mac OS X).\n"
# endif
" -w, --awk : Same as -l awk.ss.\n"
" -k <n> <m> : Load executable-embedded code from file offset <n> to <m>.\n"
" -C, --main : Like -r, then call `main' w/argument list; car is file name.\n"
" Initialization switches:\n"
" -X <dir>, --collects <dir> : libraries at <dir> relative to executable.\n"
" -x, --no-lib-path : Skips trying to set current-library-collection-paths.\n"
" -q, --no-init-file : Skips trying to load " INIT_FILENAME ".\n"
" -N <file>, --name <file> : Set `program' to <file>.\n"
" -A : Skips defining `argv' and `program'.\n"
# ifdef MZ_USE_JIT
" -j, --no-jit : Disables just-in-time compiler.\n"
# else
" -j, --no-jit : No effect, since the just-in-time compiler is unavailable.\n"
# endif
" Language setting switches:\n"
" -g, --case-sens : Identifiers/symbols are initially case-sensitive.\n"
" -G, --case-insens : Identifiers/symbols are initially case-insensitive.\n"
" -s, --set-undef : " SDESC
" Miscellaneous switches:\n"
" -- : No argument following this switch is used as a switch.\n"
# if defined(_IBMR2)
" -p, --persistent : Catches SIGDANGER (low page space) signal.\n"
# endif
" -m, --mute-banner : Suppresses "
# ifdef MZSCHEME_CMD_LINE
"the startup banner"
# else
"-v/--version/-z/--stdio"
# endif
" text.\n"
" -v, --version : Suppresses the read-eval-print loop"
# ifdef MZSCHEME_CMD_LINE
".\n"
# else
", prints version.\n"
# endif
# ifdef VERSION_YIELD_FLAG
" -V, --no-yield : Like -v, also suppresses (yield 'wait).\n"
# endif
" -b, --binary : Read stdin and write stdout/stderr in binary mode.\n"
" -h, --help : Shows this information and exits, ignoring other switches.\n"
#ifdef UNIX_IMAGE_DUMPS
" -R<file>, --restore <file> : restores an image.\n"
#endif
"Multiple single-letter switches can be collapsed, with arguments placed\n"
" after the collapsed switches; the first collapsed switch cannot be --.\n"
" E.g.: `-vfme file expr' is the same as `-v -f file -m -e expr'.\n"
"Extra arguments following the last switch are put into the Scheme global\n"
" variable `argv' as a vector of strings. The name used to start " PROGRAM "\n"
" is put into the global variable `program' as a string.\n"
#ifdef UNIX_IMAGE_DUMPS
"Extra arguments after a `--restore' file are returned as a vector of\n"
" strings to the continuation of the `write-image-to-file' call that created\n"
" the image. Images are not supported on all platforms.\n"
#endif
"Expressions/files/--main/etc. are evaluated/loaded in order as provided.\n"
" An error during evaluation/loading causes later ones to be skipped.\n"
"The current-library-collection-paths is automatically set before any\n"
" expressions/files are evaluated/loaded, unless the -x or --no-lib-path\n"
" switch is used.\n"
"The file " INIT_FILENAME
" is loaded before any provided expressions/files\n"
" are evaluated/loaded, unless the -q or --no-init-file switch is used.\n"
# ifdef MACINTOSH_EVENTS
"\n"
"Macintosh Startup files are alphabetized and put after the -F switch\n"
" on the command line.\n"
"If a single startup file is provided and it begins with #!, it\n"
" is handled specially. Starting with the next whitespace, the rest\n"
" of the line is used as command line arguments. Unless #!! is used,\n"
" the startup file name is added to the end of this command line.\n"
# endif
"If the executable name has the form scheme-<dialect>, then the command\n"
" line is effectively prefixed with:\n"
" -qAeC '(require (lib \"init.ss\" \"script-lang\" \"<dialect>\"))'\n"
" Thus, the first command-line argument serves as the name of a file;\n"
" the file should define `main', which is called with the arguments in a\n"
" list, starting with the path of the loaded file.\n"
"For general information about " PROGRAM ", see:\n"
" http://www.plt-scheme.org/software/" PROGRAM_LC "/\n"
);
PRINTF(prog, BANNER);
#if defined(WINDOWS_FILE_HANDLES)
fflush(stdout);
#endif
return 0;
bad_switch:
PRINTF("%s: bad switch %s\n", prog, real_switch);
show_need_help:
PRINTF("Use the --help or -h flag for help.\n");
#if defined(DETECT_WIN32_CONSOLE_STDIN)
fflush(stdout);
#endif
return 1;
#endif
}
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