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/*
** lua.c
** Linguagem para Usuarios de Aplicacao
*/
char *rcs_lua="$Id: lua.c,v 1.4 1995/02/07 16:04:15 lhf Exp roberto $";
#include <stdio.h>
#include <string.h>
#include "lua.h"
#include "lualib.h"
static int lua_argc;
static char **lua_argv;
/*
%F Allow Lua code to access argv strings.
%i Receive from Lua the argument number (starting with 1).
%o Return to Lua the argument, or nil if it does not exist.
*/
static void lua_getargv (void)
{
lua_Object lo = lua_getparam(1);
if (!lua_isnumber(lo))
lua_pushnil();
else
{
int n = (int)lua_getnumber(lo);
if (n < 1 || n > lua_argc) lua_pushnil();
else lua_pushstring(lua_argv[n]);
}
}
static void manual_input (void)
{
char buffer[250];
while (gets(buffer) != 0)
lua_dostring(buffer);
}
int main (int argc, char *argv[])
{
int i;
int result = 0;
iolib_open ();
strlib_open ();
mathlib_open ();
lua_register("argv", lua_getargv);
if (argc < 2)
manual_input();
else
{
for (i=1; i<argc; i++)
if (strcmp(argv[i], "--") == 0)
{
lua_argc = argc-i-1;
lua_argv = argv+i;
break;
}
for (i=1; i<argc; i++)
{
if (strcmp(argv[i], "--") == 0)
break;
else if (strcmp(argv[i], "-") == 0)
manual_input();
else if (strcmp(argv[i], "-v") == 0)
printf("%s %s\n\n", LUA_VERSION, LUA_COPYRIGHT);
else
result = lua_dofile (argv[i]);
}
}
return result;
}
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