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/*
** lua.c
** Linguagem para Usuarios de Aplicacao
*/
char *rcs_lua="$Id: lua.c,v 1.13 1996/07/06 20:20:35 roberto Exp roberto $";
#include <stdio.h>
#include <string.h>
#include "lua.h"
#include "lualib.h"
#ifdef _POSIX_SOURCE
#include <unistd.h>
#else
#define isatty(x) (x==0) /* assume stdin is a tty */
#endif
static void manual_input (void)
{
if (isatty(0)) {
char buffer[250];
while (fgets(buffer, sizeof(buffer), stdin) != 0) {
lua_beginblock();
lua_dostring(buffer);
lua_endblock();
}
}
else
lua_dofile(NULL); /* executes stdin as a file */
}
int main (int argc, char *argv[])
{
int i;
int result = 0;
iolib_open ();
strlib_open ();
mathlib_open ();
if (argc < 2)
manual_input();
else for (i=1; i<argc; i++) {
if (strcmp(argv[i], "-") == 0)
manual_input();
else if (strcmp(argv[i], "-v") == 0)
printf("%s %s\n(written by %s)\n\n",
LUA_VERSION, LUA_COPYRIGHT, LUA_AUTHORS);
else if ((strcmp(argv[i], "-e") == 0 && i++) || strchr(argv[i], '=')) {
if (lua_dostring(argv[i]) != 0) {
fprintf(stderr, "lua: error running argument `%s'\n", argv[i]);
return 1;
}
}
else {
result = lua_dofile (argv[i]);
if (result) {
if (result == 2) {
fprintf(stderr, "lua: cannot execute file `%s' - ", argv[i]);
perror(NULL);
}
return 1;
}
}
}
return result;
}
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