Mirrors_Framework/mujs
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Use getopt command line argument processing.

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Pass script arguments to script as global variable scriptArgs.
This commit is contained in:
Tor Andersson
2018-08-29 12:56:23 +02:00
parent 643d428894
commit 2c0c6c94ca
1 changed files with 86 additions and 12 deletions
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98
main.c
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@@ -5,6 +5,57 @@
#include "mujs.h"
static char *optarg; /* Global argument pointer. */
static int optind = 0; /* Global argv index. */
static int getopt(int argc, char *argv[], char *optstring)
{
static char *scan = NULL; /* Private scan pointer. */
char c;
char *place;
optarg = NULL;
if (!scan || *scan == '\0') {
if (optind == 0)
optind++;
if (optind >= argc || argv[optind][0] != '-' || argv[optind][1] == '\0')
return EOF;
if (argv[optind][1] == '-' && argv[optind][2] == '\0') {
optind++;
return EOF;
}
scan = argv[optind]+1;
optind++;
}
c = *scan++;
place = strchr(optstring, c);
if (!place || c == ':') {
fprintf(stderr, "%s: unknown option -%c\n", argv[0], c);
return '?';
}
place++;
if (*place == ':') {
if (*scan != '\0') {
optarg = scan;
scan = NULL;
} else if( optind < argc ) {
optarg = argv[optind];
optind++;
} else {
fprintf(stderr, "%s: option requires argument -%c\n", argv[0], c);
return ':';
}
}
return c;
}
#ifdef HAVE_READLINE
#include <readline/readline.h>
#include <readline/history.h>
@@ -203,21 +254,33 @@ static char *read_stdin(void)
return s;
}
static void usage(void)
{
fprintf(stderr, "Usage: mujs [options] [script [scriptArgs*]]\n");
fprintf(stderr, "\t-i: Enter interactive prompt after running code.\n");
fprintf(stderr, "\t-s: Check strictness.\n");
exit(1);
}
int
main(int argc, char **argv)
{
char *input;
js_State *J;
int status = 0;
int flags = 0;
int i = 1;
int strict = 0;
int interactive = 0;
int i, c;
if (i < argc && !strcmp(argv[i], "-s")) {
flags |= JS_STRICT;
++i;
while ((c = getopt(argc, argv, "is")) != -1) {
switch (c) {
default: usage(); break;
case 'i': interactive = 1; break;
case 's': strict = 1; break;
}
}
J = js_newstate(NULL, NULL, flags);
J = js_newstate(NULL, NULL, strict ? JS_STRICT : 0);
js_newcfunction(J, jsB_gc, "gc", 0);
js_setglobal(J, "gc");
@@ -243,13 +306,24 @@ main(int argc, char **argv)
js_dostring(J, require_js);
js_dostring(J, stacktrace_js);
if (i < argc) {
while (i < argc) {
if (js_dofile(J, argv[i]))
status = 1;
++i;
}
if (optind == argc) {
interactive = 1;
} else {
c = optind++;
js_newarray(J);
i = 0;
while (optind < argc) {
js_pushstring(J, argv[optind++]);
js_setindex(J, -2, i++);
}
js_setglobal(J, "scriptArgs");
if (js_dofile(J, argv[c]))
status = 1;
}
if (interactive) {
if (isatty(0)) {
using_history();
rl_bind_key('\t', rl_insert);