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Passar os argv apos '--' para Lua. 

Captura-se cada argv com a funcao argv(i), onde i = 1, 2, ...
This commit is contained in:
Waldemar Celes 1994-12-14 17:58:20 -02:00
parent 2486d677c9
commit 891cab8a31
1 changed files with 42 additions and 2 deletions
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42
lua.c
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@ -3,13 +3,34 @@
** Linguagem para Usuarios de Aplicacao ** Linguagem para Usuarios de Aplicacao
*/ */
char *rcs_lua="$Id: lua.c,v 1.1 1993/12/17 18:41:19 celes Stab roberto $"; char *rcs_lua="$Id: lua.c,v 1.2 1994/11/28 17:12:49 roberto Exp celes $";
#include <stdio.h> #include <stdio.h>
#include "lua.h" #include "lua.h"
#include "lualib.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]);
}
}
int main (int argc, char *argv[]) int main (int argc, char *argv[])
{ {
@ -18,6 +39,9 @@ int main (int argc, char *argv[])
iolib_open (); iolib_open ();
strlib_open (); strlib_open ();
mathlib_open (); mathlib_open ();
lua_register("argv", lua_getargv);
if (argc < 2) if (argc < 2)
{ {
char buffer[250]; char buffer[250];
@ -25,8 +49,24 @@ int main (int argc, char *argv[])
result = lua_dostring(buffer); result = lua_dostring(buffer);
} }
else else
{
for (i=1; i<argc; i++) 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
result = lua_dofile (argv[i]); result = lua_dofile (argv[i]);
}
}
return result; return result;
} }