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new command line options

This commit is contained in:
Roberto Ierusalimschy 1997-12-19 16:34:23 -02:00
parent 4e91384e14
commit 7ecc3ce827
1 changed files with 47 additions and 34 deletions
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25
lua.c
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@ -1,5 +1,5 @@
/*
** $Id: lua.c,v 1.8 1997/12/11 14:48:46 roberto Exp roberto $
** $Id: lua.c,v 1.9 1997/12/11 17:00:21 roberto Exp roberto $
** Lua stand-alone interpreter
** See Copyright Notice in lua.h
*/
@ -25,6 +25,17 @@
#define isatty(x) (x==0) /* assume stdin is a tty */
#endif
/* command line options:
** -v print version information (banner).
** -d debug on
** -e dostring on next arg
** a=b sets global 'a' with string 'b'
** -q interactive mode without prompt
** -i interactive mode with prompt
** - executes stdin as a file
** name dofile "name"
*/
static void assign (char *arg)
{
@ -44,7 +55,6 @@ static void assign (char *arg)
static void manual_input (int prompt)
{
if (isatty(0)) {
int cont = 1;
while (cont) {
char buffer[BUF_SIZE];
@ -75,9 +85,6 @@ static void manual_input (int prompt)
}
printf("\n");
}
else
lua_dofile(NULL); /* executes stdin as a file */
}
int main (int argc, char *argv[])
@ -88,12 +95,18 @@ int main (int argc, char *argv[])
lua_strlibopen();
lua_mathlibopen();
lua_pushstring("> "); lua_setglobal("_PROMPT");
if (argc < 2) {
if (argc < 2) { /* no arguments? */
if (isatty(0)) {
printf("%s %s\n", LUA_VERSION, LUA_COPYRIGHT);
manual_input(1);
}
else
lua_dofile(NULL); /* executes stdin as a file */
}
else for (i=1; i<argc; i++) {
if (strcmp(argv[i], "-") == 0)
lua_dofile(NULL); /* executes stdin as a file */
else if (strcmp(argv[i], "-i") == 0)
manual_input(1);
else if (strcmp(argv[i], "-q") == 0)
manual_input(0);