static int loadline(Lua.lua_State L)
{
int status;
Lua.lua_settop(L, 0);
if (pushline(L, 1) == 0)
{
return(-1); /* no input */
}
for (; ;)
{ /* repeat until gets a complete line */
Lua.CharPtr line = Lua.lua_tostring(L, 1);
Lua.WriteLog(line.ToString());
status = Lua.luaL_loadbuffer(L, Lua.lua_tostring(L, 1), Lua.lua_strlen(L, 1), "=stdin");
if (incomplete(L, status) == 0)
{
break; /* cannot try to add lines? */
}
if (pushline(L, 0) == 0) /* no more input? */
{
return(-1);
}
Lua.lua_pushliteral(L, "\n"); /* add a new line... */
Lua.lua_insert(L, -2); /* ...between the two lines */
Lua.lua_concat(L, 3); /* join them */
}
Lua.lua_saveline(L, 1);
Lua.lua_remove(L, 1); /* remove line */
return(status);
}
static void dotty(Lua.lua_State L)
{
int status;
Lua.CharPtr oldprogname = progname;
progname = null;
while ((status = loadline(L)) != -1)
{
if (status == 0)
{
status = docall(L, 0, 0);
}
report(L, status);
if (status == 0 && Lua.lua_gettop(L) > 0)
{ /* any result to print? */
Lua.lua_getglobal(L, "print");
Lua.lua_insert(L, 1);
if (Lua.lua_pcall(L, Lua.lua_gettop(L) - 1, 0, 0) != 0)
{
l_message(progname, Lua.lua_pushfstring(L,
"error calling " + Lua.LUA_QL("print").ToString() + " (%s)",
Lua.lua_tostring(L, -1)));
}
}
}
Lua.lua_settop(L, 0); /* clear stack */
Lua.fputs("\n", Lua.stdout);
Lua.fflush(Lua.stdout);
progname = oldprogname;
}
static int pushline(Lua.lua_State L, int firstline)
{
Lua.CharPtr buffer = new char[Lua.LUA_MAXINPUT];
Lua.CharPtr b = new Lua.CharPtr(buffer);
int l;
Lua.CharPtr prmt = get_prompt(L, firstline);
if (!Lua.lua_readline(L, b, prmt))
{
return(0); /* no input */
}
l = Lua.strlen(b);
if (l > 0 && b[l - 1] == '\n') /* line ends with newline? */
{
b[l - 1] = '\0'; /* remove it */
}
if ((firstline != 0) && (b[0] == '=')) /* first line starts with `=' ? */
{
Lua.lua_pushfstring(L, "return %s", b + 1); /* change it to `return' */
}
else
{
Lua.lua_pushstring(L, b);
}
Lua.lua_freeline(L, b);
return(1);
}
//#define S(x) (int)(x),SS(x)
private static void PrintHeader(Lua.Proto f)
{
Lua.CharPtr s = f.source != null?Lua.getstr(f.source) : "=?";
if (s[0] == '@' || s[0] == '=')
{
s = s.next();
}
else if (s[0] == Lua.LUA_SIGNATURE[0])
{
s = "(bstring)";
}
else
{
s = "(string)";
}
Lua.printf("\n%s <%s:%d,%d> (%d Instruction%s at %p)\n",
(f.linedefined == 0)?"main":"function", s,
f.linedefined, f.lastlinedefined,
(int)(f.sizecode), SS(f.sizecode), VOID(f));
Lua.printf("%d%s param%s, %d slot%s, %d upvalue%s, ",
(int)(f.numparams), (f.is_vararg != 0) ? "+" : "", SS(f.numparams),
(int)(f.maxstacksize), SS(f.maxstacksize), (int)f.sizeupvalues, SS(f.sizeupvalues));
Lua.printf("%d local%s, %d constant%s, %d function%s\n",
(int)(f.sizelocvars), SS(f.sizelocvars), (int)f.sizek, SS(f.sizek), (int)f.sizep, SS(f.sizep));
}
public static void Main(string[] args)
{
//Console.WriteLine("Hello World!");
// TODO: Implement Functionality Here
//Console.WriteLine("atof() = " + KopiLua.Lua.atof("12.34"));
#if !TEST_LUA
Lua.CharPtr[] argv;
argv = new Lua.CharPtr[args.Length + 1];
argv[0] = new Lua.CharPtr("lua.exe");
for (int i = 0; i < args.Length; ++i)
{
argv[i + 1] = args[i];
}
Lua.main(argv.Length, argv);
#else
Lua.CharPtr[] argv;
argv = new Lua.CharPtr[] { "lua.exe", "array.lua" }; //ok
// argv = new Lua.CharPtr[] {"lua.exe", "loop.lua"}; //ok
// argv = new Lua.CharPtr[] {"lua.exe", "save.lua"}; //ok
// argv = new Lua.CharPtr[] {"lua.exe", "sort.lua"}; //ok
// argv = new Lua.CharPtr[] {"lua.exe", "split.lua"}; //ok
// argv = new Lua.CharPtr[] {"lua.exe", "teste.lua"}; //ok
// argv = new Lua.CharPtr[] {"lua.exe", "type.lua"}; //ok
Lua.main(argv.Length, argv);
Console.Write("Press any key to continue . . . ");
Console.ReadKey(true);
#endif
}
static void l_message(Lua.CharPtr pname, Lua.CharPtr msg)
{
if (pname != null)
{
Lua.fprintf(Lua.stderr, "%s: ", pname);
}
Lua.fprintf(Lua.stderr, "%s\n", msg);
Lua.fflush(Lua.stderr);
}
static int dostring(Lua.lua_State L, Lua.CharPtr s, Lua.CharPtr name)
{
int status = Lua.luaL_loadbuffer(L, s, (uint)Lua.strlen(s), name);
if (status == Lua.LUA_OK)
{
status = docall(L, 0, 1);
}
return(report(L, status));
}
static int dofile(Lua.lua_State L, Lua.CharPtr name)
{
int status = Lua.luaL_loadfile(L, name);
if (status == Lua.LUA_OK)
{
status = docall(L, 0, 1);
}
return(report(L, status));
}
static int handle_luainit(Lua.lua_State L)
{
Lua.CharPtr init = Lua.getenv(Lua.LUA_INIT);
if (init == null)
{
return(0); /* status OK */
}
if (init[0] == '@')
{
return(dofile(L, init + 1));
}
return(dostring(L, init, "=" + Lua.LUA_INIT));
}
private static int marklen = mark.chars.Length - 1; //FIXME:???
static int incomplete(Lua.lua_State L, int status)
{
if (status == Lua.LUA_ERRSYNTAX)
{
uint lmsg;
Lua.CharPtr msg = Lua.lua_tolstring(L, -1, out lmsg);
if (lmsg >= marklen && Lua.strcmp(msg + lmsg - marklen, mark) == 0)
{
Lua.lua_pop(L, 1);
return(1);
}
}
return(0); /* else... */
}
static int report(Lua.lua_State L, int status)
{
if ((status != 0) && !Lua.lua_isnil(L, -1))
{
Lua.CharPtr msg = Lua.lua_tostring(L, -1);
if (msg == null)
{
msg = "(error object is not a string)";
}
l_message(progname, msg);
Lua.lua_pop(L, 1);
}
return(status);
}
static int incomplete(Lua.lua_State L, int status)
{
if (status == Lua.LUA_ERRSYNTAX)
{
uint lmsg;
Lua.CharPtr msg = Lua.lua_tolstring(L, -1, out lmsg);
Lua.CharPtr tp = msg + lmsg - (Lua.strlen(Lua.LUA_QL("<eof>")));
if (Lua.strstr(msg, Lua.LUA_QL("<eof>")) == tp)
{
Lua.lua_pop(L, 1);
return(1);
}
}
return(0); /* else... */
}
static int traceback(Lua.lua_State L)
{
Lua.CharPtr msg = Lua.lua_tostring(L, 1);
if (msg != null)
{
Lua.luaL_traceback(L, L, msg, 1);
}
else if (!Lua.lua_isnoneornil(L, 1)) /* is there an error object? */
{
if (Lua.luaL_callmeta(L, 1, "__tostring") == 0) /* try its 'tostring' metamethod */
{
Lua.lua_pushliteral(L, "(no error message)");
}
}
return(1);
}
static int report(Lua.lua_State L, int status)
{
if ((status != Lua.LUA_OK) && !Lua.lua_isnil(L, -1))
{
Lua.CharPtr msg = Lua.lua_tostring(L, -1);
if (msg == null)
{
msg = "(error object is not a string)";
}
l_message(progname, msg);
Lua.lua_pop(L, 1);
/* force a complete garbage collection in case of errors */
Lua.lua_gc(L, Lua.LUA_GCCOLLECT, 0);
}
return(status);
}
static int pmain(Lua.lua_State L)
{
Smain s = (Smain)Lua.lua_touserdata(L, 1);
int argc = s.argc;
string[] argv = s.argv;
Lua.Proto f;
int i;
if (Lua.lua_checkstack(L, argc) == 0)
{
fatal("too many input files");
}
for (i = 0; i < argc; i++)
{
Lua.CharPtr filename = (Lua.strcmp(argv[i], "-") == 0) ? null : argv[i];
if (Lua.luaL_loadfile(L, filename) != 0)
{
fatal(Lua.lua_tostring(L, -1));
}
}
f = combine(L, argc);
if (listing != 0)
{
Lua.luaU_print(f, (listing > 1)?1:0);
}
if (dumping != 0)
{
Stream D = (output == null) ? Lua.stdout : Lua.fopen(output, "wb");
if (D == null)
{
cannot("open");
}
Lua.lua_lock(L);
Lua.luaU_dump(L, f, writer, D, stripping);
Lua.lua_unlock(L);
if (Lua.ferror(D) != 0)
{
cannot("write");
}
if (Lua.fclose(D) != 0)
{
cannot("close");
}
}
return(0);
}
public static void PrintString(Lua.TString ts)
{
Lua.CharPtr s = Lua.getstr(ts);
uint i, n = ts.tsv.len;
Lua.printf("%c", '"');
for (i = 0; i < n; i++)
{
int c = (int)(byte)s[i];
switch (c)
{
case '"': Lua.printf("\\\""); break;
case '\\': Lua.printf("\\\\"); break;
case '\a': Lua.printf("\\a"); break;
case '\b': Lua.printf("\\b"); break;
case '\f': Lua.printf("\\f"); break;
case '\n': Lua.printf("\\n"); break;
case '\r': Lua.printf("\\r"); break;
case '\t': Lua.printf("\\t"); break;
case '\v': Lua.printf("\\v"); break;
default: if (Lua.isprint(c))
{
Lua.printf("%c", c);
}
else
{
Lua.printf("\\%03d", c);
}
break; //FIXME:added
}
}
Lua.printf("%c", '"');
}
static int Main_luac(string[] args)
{
// prepend the exe name to the arg list as it's done in C
// so that we don't have to change any of the args indexing
// code above
List <string> newargs = new List <string>(args);
newargs.Insert(0, Assembly.GetExecutingAssembly().Location);
args = (string[])newargs.ToArray();
Lua.lua_State L;
int argc = args.Length; //FIXME:added
Lua.CharPtr[] argv = new Lua.CharPtr[args.Length]; //FIXME:added
for (int kk = 0; kk < argv.Length; ++kk)
{
argv[kk] = args[kk];
}
int i = doargs(argc, args);
newargs.RemoveRange(0, i);
argc -= i; args = (string[])newargs.ToArray();
if (argc <= 0)
{
usage("no input files given");
}
L = Lua.luaL_newstate();
if (L == null)
{
fatal("cannot create state: not enough memory");
}
Lua.lua_pushcfunction(L, pmain);
Lua.lua_pushinteger(L, argc);
Lua.lua_pushlightuserdata(L, argv);
if (Lua.lua_pcall(L, 2, 0, 0) != Lua.LUA_OK)
{
fatal(Lua.lua_tostring(L, -1));
}
Lua.lua_close(L);
return(Lua.EXIT_SUCCESS);
}
private static void PrintConstant(Lua.Proto f, int i)
{
/*const*/ TValue o = f.k[i];
switch (Lua.ttype(o))
{
case Lua.LUA_TNIL:
Lua.printf("nil");
break;
case Lua.LUA_TBOOLEAN:
Lua.printf(Lua.bvalue(o) != 0 ? "true" : "false");
break;
case Lua.LUA_TNUMFLT:
{
Lua.CharPtr buff = new Lua.CharPtr(new char[100]);
Lua.sprintf(buff, Lua.LUA_NUMBER_FMT, Lua.fltvalue(o));
Lua.printf("%s", buff);
if (buff[Lua.strspn(buff, "-0123456789")] == '\0')
{
Lua.printf(".0");
}
break;
}
case Lua.LUA_TNUMINT:
Lua.printf(Lua.LUA_INTEGER_FMT, Lua.ivalue(o));
break;
case Lua.LUA_TSHRSTR:
case Lua.LUA_TLNGSTR:
PrintString(Lua.tsvalue(o));
break;
default: /* cannot happen */
Lua.printf("? type=%d", Lua.ttype(o));
break;
}
}
static void usage(Lua.CharPtr message)
{
if (message[0] == '-')
{
Lua.fprintf(Lua.stderr, "%s: unrecognized option " + Lua.LUA_QS + "\n", progname, message);
}
else
{
Lua.fprintf(Lua.stderr, "%s: %s\n", progname, message);
}
Lua.fprintf(Lua.stderr,
"usage: %s [options] [filenames].\n" +
"Available options are:\n" +
" - process stdin\n" +
" -l list\n" +
" -o name output to file " + Lua.LUA_QL("name") + " (default is \"%s\")\n" +
" -p parse only\n" +
" -s strip debug information\n" +
" -v show version information\n" +
" -- stop handling options\n",
progname, Output);
Environment.Exit(Lua.EXIT_FAILURE);
}
//#define IS(s) (strcmp(argv[i],s)==0)
static int doargs(int argc, string[] argv)
{
int i;
int version = 0;
if ((argv.Length > 0) && (argv[0] != ""))
{
progname = argv[0];
}
for (i = 1; i < argc; i++)
{
if (argv[i][0] != '-') /* end of options; keep it */
{
break;
}
else if (Lua.strcmp(argv[i], "--") == 0) /* end of options; skip it */
{
++i;
if (version != 0)
{
++version;
}
break;
}
else if (Lua.strcmp(argv[i], "-") == 0) /* end of options; use stdin */
{
break;
}
else if (Lua.strcmp(argv[i], "-l") == 0) /* list */
{
++listing;
}
else if (Lua.strcmp(argv[i], "-o") == 0) /* output file */
{
output = argv[++i];
if (output == null || (output[0] == 0))
{
usage(Lua.LUA_QL("-o") + " needs argument");
}
if (Lua.strcmp(argv[i], "-") == 0)
{
output = null;
}
}
else if (Lua.strcmp(argv[i], "-p") == 0) /* parse only */
{
dumping = 0;
}
else if (Lua.strcmp(argv[i], "-s") == 0) /* strip debug information */
{
stripping = 1;
}
else if (Lua.strcmp(argv[i], "-v") == 0) /* show version */
{
++version;
}
else /* unknown option */
{
usage(argv[i]);
}
}
if (i == argc && ((listing != 0) || (dumping == 0)))
{
dumping = 0;
argv[--i] = Output.ToString();
}
if (version != 0)
{
Lua.printf("%s %s\n", Lua.LUA_RELEASE, Lua.LUA_COPYRIGHT);
if (version == argc - 1)
{
Environment.Exit(Lua.EXIT_SUCCESS);
}
}
return(i);
}
static int pmain(Lua.lua_State L)
{
Smain s = (Smain)Lua.lua_touserdata(L, 1);
string[] argv = s.argv;
int script;
int has_i = 0, has_v = 0, has_e = 0;
globalL = L;
if ((argv.Length > 0) && (argv[0] != ""))
{
progname = argv[0];
}
Lua.lua_gc(L, Lua.LUA_GCSTOP, 0); /* stop collector during initialization */
Lua.luaL_openlibs(L); /* open libraries */
Lua.lua_gc(L, Lua.LUA_GCRESTART, 0);
s.status = handle_luainit(L);
if (s.status != 0)
{
return(0);
}
script = collectargs(argv, ref has_i, ref has_v, ref has_e);
if (script < 0)
{ /* invalid args? */
print_usage();
s.status = 1;
return(0);
}
if (has_v != 0)
{
print_version();
}
s.status = runargs(L, argv, (script > 0) ? script : s.argc);
if (s.status != 0)
{
return(0);
}
if (script != 0)
{
s.status = handle_script(L, argv, script);
}
if (s.status != 0)
{
return(0);
}
if (has_i != 0)
{
dotty(L);
}
else if ((script == 0) && (has_e == 0) && (has_v == 0))
{
if (Lua.lua_stdin_is_tty() != 0)
{
print_version();
dotty(L);
}
else
{
dofile(L, null); /* executes stdin as a file */
}
}
return(0);
}
public static string dolua_(string message)
{
if (DEBUG_)
{
Lua.fprintf(Lua.stdout, "%s\n", "==============>" + message);
}
if (L_ == null)
{
L_ = Lua.luaL_newstate();
Lua.luaL_openlibs(L_);
}
if (DEBUG_)
{
Lua.fprintf(Lua.stdout, "%s\n", "==============>2");
}
string errorMessage = null;
bool printResult = true;
int status = Lua.luaL_loadbuffer(L_, message, (uint)Lua.strlen(message), "=stdin");
if (status == 0)
{
if (DEBUG_)
{
Lua.fprintf(Lua.stdout, "%s\n", "==============>3");
}
status = docall_(L_, 0, printResult ? Lua.LUA_MULTRET : 0);
}
if ((status != 0) && !Lua.lua_isnil(L_, -1))
{
if (DEBUG_)
{
Lua.fprintf(Lua.stdout, "%s\n", "==============>4");
}
Lua.CharPtr msg = Lua.lua_tostring(L_, -1);
if (msg == null)
{
msg = "(error object is not a string)";
}
errorMessage = msg.ToString();
Lua.lua_pop(L_, 1);
/* force a complete garbage collection in case of errors */
Lua.lua_gc(L_, Lua.LUA_GCCOLLECT, 0);
}
if (printResult)
{
//see Lua.LUA_MULTRET
if (status == 0 && Lua.lua_gettop(L_) > 0) /* any result to print? */
{
Lua.luaL_checkstack(L_, Lua.LUA_MINSTACK, "too many results to print");
Lua.lua_getglobal(L_, "print");
Lua.lua_insert(L_, 1);
if (Lua.lua_pcall(L_, Lua.lua_gettop(L_) - 1, 0, 0) != 0)
{
l_message_(progname, Lua.lua_pushfstring(L_,
"error calling " + Lua.LUA_QL("print").ToString() + " (%s)",
Lua.lua_tostring(L_, -1)));
}
}
}
return(errorMessage);
}
static int writer(Lua.lua_State L, Lua.CharPtr p, uint size, object u)
{
//UNUSED(L);
return(((Lua.fwrite(p, (int)size, 1, (Stream)u) != 1) && (size != 0)) ? 1 : 0);
}
static Lua.CharPtr progname = PROGNAME; /* actual program name */
static void fatal(Lua.CharPtr message)
{
Lua.fprintf(Lua.stderr, "%s: %s\n", progname, message);
Environment.Exit(Lua.EXIT_FAILURE);
}
static int dolibrary(Lua.lua_State L, Lua.CharPtr name)
{
Lua.lua_getglobal(L, "require");
Lua.lua_pushstring(L, name);
return(report(L, docall(L, 1, 1)));
}
} /* get line */ //FIXME: no Lua_MAXINPUT
private static void lua_saveline(Lua.lua_State L, Lua.CharPtr line) /*(void)L; (void)line;*/ }
//#endif /* } */
//#endif /* } */
/*
** lua_readline defines how to show a prompt and then read a line from
** the standard input.
** lua_saveline defines how to "save" a read line in a "history".
** lua_freeline defines how to free a line read by lua_readline.
*/
//#if !defined(lua_readline) /* { */
//#if defined(LUA_USE_READLINE) /* { */
//#include <readline/readline.h>
//#include <readline/history.h>
//#define lua_readline(L,b,p) ((void)L, ((b)=readline(p)) != NULL)
//#define lua_saveline(L,line) ((void)L, add_history(line))
//#define lua_freeline(L,b) ((void)L, free(b))
//#else /* }{ */
private static int lua_readline(Lua.lua_State L, Lua.CharPtr b, Lua.CharPtr p)
{
/*(void)L,*/ Lua.fputs(p, Lua.stdout); Lua.fflush(Lua.stdout); /* show prompt */
return((Lua.fgets(b /*, LUA_MAXINPUT*/, Lua.stdin) != null) ? 1 : 0);
} /* get line */ //FIXME: no Lua_MAXINPUT
static int dofile(Lua.lua_State L, Lua.CharPtr name)
{
int status = (Lua.luaL_loadfile(L, name) != 0) || (docall(L, 0, 1) != 0) ? 1 : 0;
return(report(L, status));
}
static void cannot(Lua.CharPtr what)
{
Lua.fprintf(Lua.stderr, "%s: cannot %s %s: %s\n", progname, what, output, Lua.strerror(Lua.errno()));
Environment.Exit(Lua.EXIT_FAILURE);
}
static int dostring(Lua.lua_State L, Lua.CharPtr s, Lua.CharPtr name)
{
int status = (Lua.luaL_loadbuffer(L, s, (uint)Lua.strlen(s), name) != 0) || (docall(L, 0, 1) != 0) ? 1 : 0;
return(report(L, status));
}
