Updated to Lua 5.1.3

master
Yevgen Muntyan 2008-01-27 00:17:03 -06:00
parent 7efbcd4de1
commit 5d0cd0041f
55 changed files with 801 additions and 166 deletions

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@ -9,7 +9,7 @@ For details and rationale, see http://www.lua.org/license.html .
===============================================================================
Copyright (C) 1994-2007 Lua.org, PUC-Rio.
Copyright (C) 1994-2008 Lua.org, PUC-Rio.
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal

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@ -1,5 +1,5 @@
/*
** $Id: lapi.c,v 2.55 2006/06/07 12:37:17 roberto Exp $
** $Id: lapi.c,v 2.55.1.3 2008/01/03 15:20:39 roberto Exp $
** Lua API
** See Copyright Notice in lua.h
*/
@ -123,6 +123,11 @@ LUA_API void lua_xmove (lua_State *from, lua_State *to, int n) {
}
LUA_API void lua_setlevel (lua_State *from, lua_State *to) {
to->nCcalls = from->nCcalls;
}
LUA_API lua_CFunction lua_atpanic (lua_State *L, lua_CFunction panicf) {
lua_CFunction old;
lua_lock(L);
@ -749,7 +754,7 @@ LUA_API int lua_setfenv (lua_State *L, int idx) {
res = 0;
break;
}
luaC_objbarrier(L, gcvalue(o), hvalue(L->top - 1));
if (res) luaC_objbarrier(L, gcvalue(o), hvalue(L->top - 1));
L->top--;
lua_unlock(L);
return res;

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@ -1,5 +1,5 @@
/*
** $Id: lapi.h,v 2.2 2005/04/25 19:24:10 roberto Exp $
** $Id: lapi.h,v 2.2.1.1 2007/12/27 13:02:25 roberto Exp $
** Auxiliary functions from Lua API
** See Copyright Notice in lua.h
*/

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@ -1,5 +1,5 @@
/*
** $Id: lauxlib.c,v 1.159 2006/03/21 19:31:09 roberto Exp $
** $Id: lauxlib.c,v 1.159.1.3 2008/01/21 13:20:51 roberto Exp $
** Auxiliary functions for building Lua libraries
** See Copyright Notice in lua.h
*/
@ -244,7 +244,7 @@ LUALIB_API void luaI_openlib (lua_State *L, const char *libname,
if (libname) {
int size = libsize(l);
/* check whether lib already exists */
luaL_findtable(L, LUA_REGISTRYINDEX, "_LOADED", size);
luaL_findtable(L, LUA_REGISTRYINDEX, "_LOADED", 1);
lua_getfield(L, -1, libname); /* get _LOADED[libname] */
if (!lua_istable(L, -1)) { /* not found? */
lua_pop(L, 1); /* remove previous result */
@ -535,7 +535,7 @@ static const char *getF (lua_State *L, void *ud, size_t *size) {
return "\n";
}
if (feof(lf->f)) return NULL;
*size = fread(lf->buff, 1, LUAL_BUFFERSIZE, lf->f);
*size = fread(lf->buff, 1, sizeof(lf->buff), lf->f);
return (*size > 0) ? lf->buff : NULL;
}
@ -570,9 +570,8 @@ LUALIB_API int luaL_loadfile (lua_State *L, const char *filename) {
while ((c = getc(lf.f)) != EOF && c != '\n') ; /* skip first line */
if (c == '\n') c = getc(lf.f);
}
if (c == LUA_SIGNATURE[0] && lf.f != stdin) { /* binary file? */
fclose(lf.f);
lf.f = fopen(filename, "rb"); /* reopen in binary mode */
if (c == LUA_SIGNATURE[0] && filename) { /* binary file? */
lf.f = freopen(filename, "rb", lf.f); /* reopen in binary mode */
if (lf.f == NULL) return errfile(L, "reopen", fnameindex);
/* skip eventual `#!...' */
while ((c = getc(lf.f)) != EOF && c != LUA_SIGNATURE[0]) ;
@ -581,7 +580,7 @@ LUALIB_API int luaL_loadfile (lua_State *L, const char *filename) {
ungetc(c, lf.f);
status = lua_load(L, getF, &lf, lua_tostring(L, -1));
readstatus = ferror(lf.f);
if (lf.f != stdin) fclose(lf.f); /* close file (even in case of errors) */
if (filename) fclose(lf.f); /* close file (even in case of errors) */
if (readstatus) {
lua_settop(L, fnameindex); /* ignore results from `lua_load' */
return errfile(L, "read", fnameindex);

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@ -1,5 +1,5 @@
/*
** $Id: lauxlib.h,v 1.88 2006/04/12 20:31:15 roberto Exp $
** $Id: lauxlib.h,v 1.88.1.1 2007/12/27 13:02:25 roberto Exp $
** Auxiliary functions for building Lua libraries
** See Copyright Notice in lua.h
*/

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@ -1,5 +1,5 @@
/*
** $Id: lbaselib.c,v 1.191a 2006/06/02 15:34:00 roberto Exp $
** $Id: lbaselib.c,v 1.191.1.4 2008/01/20 13:53:22 roberto Exp $
** Basic library
** See Copyright Notice in lua.h
*/
@ -477,15 +477,52 @@ static const luaL_Reg base_funcs[] = {
** =======================================================
*/
#define CO_RUN 0 /* running */
#define CO_SUS 1 /* suspended */
#define CO_NOR 2 /* 'normal' (it resumed another coroutine) */
#define CO_DEAD 3
static const char *const statnames[] =
{"running", "suspended", "normal", "dead"};
static int costatus (lua_State *L, lua_State *co) {
if (L == co) return CO_RUN;
switch (lua_status(co)) {
case LUA_YIELD:
return CO_SUS;
case 0: {
lua_Debug ar;
if (lua_getstack(co, 0, &ar) > 0) /* does it have frames? */
return CO_NOR; /* it is running */
else if (lua_gettop(co) == 0)
return CO_DEAD;
else
return CO_SUS; /* initial state */
}
default: /* some error occured */
return CO_DEAD;
}
}
static int luaB_costatus (lua_State *L) {
lua_State *co = lua_tothread(L, 1);
luaL_argcheck(L, co, 1, "coroutine expected");
lua_pushstring(L, statnames[costatus(L, co)]);
return 1;
}
static int auxresume (lua_State *L, lua_State *co, int narg) {
int status;
int status = costatus(L, co);
if (!lua_checkstack(co, narg))
luaL_error(L, "too many arguments to resume");
if (lua_status(co) == 0 && lua_gettop(co) == 0) {
lua_pushliteral(L, "cannot resume dead coroutine");
if (status != CO_SUS) {
lua_pushfstring(L, "cannot resume %s coroutine", statnames[status]);
return -1; /* error flag */
}
lua_xmove(L, co, narg);
lua_setlevel(L, co);
status = lua_resume(co, narg);
if (status == 0 || status == LUA_YIELD) {
int nres = lua_gettop(co);
@ -556,38 +593,9 @@ static int luaB_yield (lua_State *L) {
}
static int luaB_costatus (lua_State *L) {
lua_State *co = lua_tothread(L, 1);
luaL_argcheck(L, co, 1, "coroutine expected");
if (L == co) lua_pushliteral(L, "running");
else {
switch (lua_status(co)) {
case LUA_YIELD:
lua_pushliteral(L, "suspended");
break;
case 0: {
lua_Debug ar;
if (lua_getstack(co, 0, &ar) > 0) /* does it have frames? */
lua_pushliteral(L, "normal"); /* it is running */
else if (lua_gettop(co) == 0)
lua_pushliteral(L, "dead");
else
lua_pushliteral(L, "suspended"); /* initial state */
break;
}
default: /* some error occured */
lua_pushliteral(L, "dead");
break;
}
}
return 1;
}
static int luaB_corunning (lua_State *L) {
if (lua_pushthread(L))
return 0; /* main thread is not a coroutine */
else
lua_pushnil(L); /* main thread is not a coroutine */
return 1;
}

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@ -1,5 +1,5 @@
/*
** $Id: lcode.c,v 2.25a 2006/03/21 19:28:49 roberto Exp $
** $Id: lcode.c,v 2.25.1.3 2007/12/28 15:32:23 roberto Exp $
** Code generator for Lua
** See Copyright Notice in lua.h
*/
@ -699,7 +699,7 @@ void luaK_prefix (FuncState *fs, UnOpr op, expdesc *e) {
e2.t = e2.f = NO_JUMP; e2.k = VKNUM; e2.u.nval = 0;
switch (op) {
case OPR_MINUS: {
if (e->k == VK)
if (!isnumeral(e))
luaK_exp2anyreg(fs, e); /* cannot operate on non-numeric constants */
codearith(fs, OP_UNM, e, &e2);
break;

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@ -1,5 +1,5 @@
/*
** $Id: lcode.h,v 1.48 2006/03/21 19:28:03 roberto Exp $
** $Id: lcode.h,v 1.48.1.1 2007/12/27 13:02:25 roberto Exp $
** Code generator for Lua
** See Copyright Notice in lua.h
*/

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@ -1,5 +1,5 @@
/*
** $Id: ldblib.c,v 1.104 2005/12/29 15:32:11 roberto Exp $
** $Id: ldblib.c,v 1.104.1.3 2008/01/21 13:11:21 roberto Exp $
** Interface from Lua to its debug API
** See Copyright Notice in lua.h
*/
@ -255,24 +255,25 @@ static void gethooktable (lua_State *L) {
static int db_sethook (lua_State *L) {
int arg;
int arg, mask, count;
lua_Hook func;
lua_State *L1 = getthread(L, &arg);
if (lua_isnoneornil(L, arg+1)) {
lua_settop(L, arg+1);
lua_sethook(L1, NULL, 0, 0); /* turn off hooks */
func = NULL; mask = 0; count = 0; /* turn off hooks */
}
else {
const char *smask = luaL_checkstring(L, arg+2);
int count = luaL_optint(L, arg+3, 0);
luaL_checktype(L, arg+1, LUA_TFUNCTION);
lua_sethook(L1, hookf, makemask(smask, count), count);
count = luaL_optint(L, arg+3, 0);
func = hookf; mask = makemask(smask, count);
}
gethooktable(L1);
lua_pushlightuserdata(L1, L1);
gethooktable(L);
lua_pushlightuserdata(L, L1);
lua_pushvalue(L, arg+1);
lua_xmove(L, L1, 1);
lua_rawset(L1, -3); /* set new hook */
lua_pop(L1, 1); /* remove hook table */
lua_rawset(L, -3); /* set new hook */
lua_pop(L, 1); /* remove hook table */
lua_sethook(L1, func, mask, count); /* set hooks */
return 0;
}
@ -286,11 +287,10 @@ static int db_gethook (lua_State *L) {
if (hook != NULL && hook != hookf) /* external hook? */
lua_pushliteral(L, "external hook");
else {
gethooktable(L1);
lua_pushlightuserdata(L1, L1);
lua_rawget(L1, -2); /* get hook */
lua_remove(L1, -2); /* remove hook table */
lua_xmove(L1, L, 1);
gethooktable(L);
lua_pushlightuserdata(L, L1);
lua_rawget(L, -2); /* get hook */
lua_remove(L, -2); /* remove hook table */
}
lua_pushstring(L, unmakemask(mask, buff));
lua_pushinteger(L, lua_gethookcount(L1));

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@ -1,5 +1,5 @@
/*
** $Id: ldebug.c,v 2.29a 2005/12/22 16:19:56 roberto Exp $
** $Id: ldebug.c,v 2.29.1.3 2007/12/28 15:32:23 roberto Exp $
** Debug Interface
** See Copyright Notice in lua.h
*/
@ -563,8 +563,8 @@ void luaG_typeerror (lua_State *L, const TValue *o, const char *op) {
void luaG_concaterror (lua_State *L, StkId p1, StkId p2) {
if (ttisstring(p1)) p1 = p2;
lua_assert(!ttisstring(p1));
if (ttisstring(p1) || ttisnumber(p1)) p1 = p2;
lua_assert(!ttisstring(p1) && !ttisnumber(p1));
luaG_typeerror(L, p1, "concatenate");
}

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@ -1,5 +1,5 @@
/*
** $Id: ldebug.h,v 2.3 2005/04/25 19:24:10 roberto Exp $
** $Id: ldebug.h,v 2.3.1.1 2007/12/27 13:02:25 roberto Exp $
** Auxiliary functions from Debug Interface module
** See Copyright Notice in lua.h
*/

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@ -1,5 +1,5 @@
/*
** $Id: ldo.c,v 2.38 2006/06/05 19:36:14 roberto Exp $
** $Id: ldo.c,v 2.38.1.3 2008/01/18 22:31:22 roberto Exp $
** Stack and Call structure of Lua
** See Copyright Notice in lua.h
*/
@ -83,7 +83,7 @@ static void resetstack (lua_State *L, int status) {
L->base = L->ci->base;
luaF_close(L, L->base); /* close eventual pending closures */
luaD_seterrorobj(L, status, L->base);
L->nCcalls = 0;
L->nCcalls = L->baseCcalls;
L->allowhook = 1;
restore_stack_limit(L);
L->errfunc = 0;
@ -332,7 +332,7 @@ static StkId callrethooks (lua_State *L, StkId firstResult) {
ptrdiff_t fr = savestack(L, firstResult); /* next call may change stack */
luaD_callhook(L, LUA_HOOKRET, -1);
if (f_isLua(L->ci)) { /* Lua function? */
while (L->ci->tailcalls--) /* call hook for eventual tail calls */
while ((L->hookmask & LUA_MASKRET) && L->ci->tailcalls--) /* tail calls */
luaD_callhook(L, LUA_HOOKTAILRET, -1);
}
return restorestack(L, fr);
@ -417,22 +417,24 @@ static int resume_error (lua_State *L, const char *msg) {
LUA_API int lua_resume (lua_State *L, int nargs) {
int status;
lua_lock(L);
if (L->status != LUA_YIELD) {
if (L->status != 0)
return resume_error(L, "cannot resume dead coroutine");
else if (L->ci != L->base_ci)
if (L->status != LUA_YIELD && (L->status != 0 || L->ci != L->base_ci))
return resume_error(L, "cannot resume non-suspended coroutine");
}
if (L->nCcalls >= LUAI_MAXCCALLS)
return resume_error(L, "C stack overflow");
luai_userstateresume(L, nargs);
lua_assert(L->errfunc == 0 && L->nCcalls == 0);
lua_assert(L->errfunc == 0);
L->baseCcalls = ++L->nCcalls;
status = luaD_rawrunprotected(L, resume, L->top - nargs);
if (status != 0) { /* error? */
L->status = cast_byte(status); /* mark thread as `dead' */
luaD_seterrorobj(L, status, L->top);
L->ci->top = L->top;
}
else
else {
lua_assert(L->nCcalls == L->baseCcalls);
status = L->status;
}
--L->nCcalls;
lua_unlock(L);
return status;
}
@ -441,7 +443,7 @@ LUA_API int lua_resume (lua_State *L, int nargs) {
LUA_API int lua_yield (lua_State *L, int nresults) {
luai_userstateyield(L, nresults);
lua_lock(L);
if (L->nCcalls > 0)
if (L->nCcalls > L->baseCcalls)
luaG_runerror(L, "attempt to yield across metamethod/C-call boundary");
L->base = L->top - nresults; /* protect stack slots below */
L->status = LUA_YIELD;

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@ -1,5 +1,5 @@
/*
** $Id: ldo.h,v 2.7 2005/08/24 16:15:49 roberto Exp $
** $Id: ldo.h,v 2.7.1.1 2007/12/27 13:02:25 roberto Exp $
** Stack and Call structure of Lua
** See Copyright Notice in lua.h
*/

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@ -1,5 +1,5 @@
/*
** $Id: ldump.c,v 1.15 2006/02/16 15:53:49 lhf Exp $
** $Id: ldump.c,v 2.8.1.1 2007/12/27 13:02:25 roberto Exp $
** save precompiled Lua chunks
** See Copyright Notice in lua.h
*/

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@ -1,5 +1,5 @@
/*
** $Id: lfunc.c,v 2.12a 2005/12/22 16:19:56 roberto Exp $
** $Id: lfunc.c,v 2.12.1.2 2007/12/28 14:58:43 roberto Exp $
** Auxiliary functions to manipulate prototypes and closures
** See Copyright Notice in lua.h
*/

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@ -1,5 +1,5 @@
/*
** $Id: lfunc.h,v 2.4 2005/04/25 19:24:10 roberto Exp $
** $Id: lfunc.h,v 2.4.1.1 2007/12/27 13:02:25 roberto Exp $
** Auxiliary functions to manipulate prototypes and closures
** See Copyright Notice in lua.h
*/

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@ -1,5 +1,5 @@
/*
** $Id: lgc.c,v 2.38 2006/05/24 14:34:06 roberto Exp $
** $Id: lgc.c,v 2.38.1.1 2007/12/27 13:02:25 roberto Exp $
** Garbage Collector
** See Copyright Notice in lua.h
*/

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@ -1,5 +1,5 @@
/*
** $Id: lgc.h,v 2.15 2005/08/24 16:15:49 roberto Exp $
** $Id: lgc.h,v 2.15.1.1 2007/12/27 13:02:25 roberto Exp $
** Garbage Collector
** See Copyright Notice in lua.h
*/

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@ -1,5 +1,5 @@
/*
** $Id: linit.c,v 1.14 2005/12/29 15:32:11 roberto Exp $
** $Id: linit.c,v 1.14.1.1 2007/12/27 13:02:25 roberto Exp $
** Initialization of libraries for lua.c
** See Copyright Notice in lua.h
*/
@ -15,6 +15,7 @@
#include "ext/lfs.h"
#include "ustring.h"
static const luaL_Reg lualibs[] = {
{"", luaopen_base},
{LUA_LOADLIBNAME, luaopen_package},

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@ -1,5 +1,5 @@
/*
** $Id: liolib.c,v 2.73 2006/05/08 20:14:16 roberto Exp $
** $Id: liolib.c,v 2.73.1.3 2008/01/18 17:47:43 roberto Exp $
** Standard I/O (and system) library
** See Copyright Notice in lua.h
*/
@ -51,7 +51,7 @@ static void fileerror (lua_State *L, int arg, const char *filename) {
}
#define topfile(L) ((FILE **)luaL_checkudata(L, 1, LUA_FILEHANDLE))
#define tofilep(L) ((FILE **)luaL_checkudata(L, 1, LUA_FILEHANDLE))
static int io_type (lua_State *L) {
@ -70,7 +70,7 @@ static int io_type (lua_State *L) {
static FILE *tofile (lua_State *L) {
FILE **f = topfile(L);
FILE **f = tofilep(L);
if (*f == NULL)
luaL_error(L, "attempt to use a closed file");
return *f;
@ -93,19 +93,31 @@ static FILE **newfile (lua_State *L) {
/*
** this function has a separated environment, which defines the
** correct __close for 'popen' files
** function to (not) close the standard files stdin, stdout, and stderr
*/
static int io_noclose (lua_State *L) {
lua_pushnil(L);
lua_pushliteral(L, "cannot close standard file");
return 2;
}
/*
** function to close 'popen' files
*/
static int io_pclose (lua_State *L) {
FILE **p = topfile(L);
FILE **p = tofilep(L);
int ok = lua_pclose(L, *p);
*p = NULL;
return pushresult(L, ok, NULL);
}
/*
** function to close regular files
*/
static int io_fclose (lua_State *L) {
FILE **p = topfile(L);
FILE **p = tofilep(L);
int ok = (fclose(*p) == 0);
*p = NULL;
return pushresult(L, ok, NULL);
@ -128,18 +140,18 @@ static int io_close (lua_State *L) {
static int io_gc (lua_State *L) {
FILE *f = *topfile(L);
/* ignore closed files and standard files */
if (f != NULL && f != stdin && f != stdout && f != stderr)
FILE *f = *tofilep(L);
/* ignore closed files */
if (f != NULL)
aux_close(L);
return 0;
}
static int io_tostring (lua_State *L) {
FILE *f = *topfile(L);
FILE *f = *tofilep(L);
if (f == NULL)
lua_pushstring(L, "file (closed)");
lua_pushliteral(L, "file (closed)");
else
lua_pushfstring(L, "file (%p)", f);
return 1;
@ -155,6 +167,10 @@ static int io_open (lua_State *L) {
}
/*
** this function has a separated environment, which defines the
** correct __close for 'popen' files
*/
static int io_popen (lua_State *L) {
const char *filename = luaL_checkstring(L, 1);
const char *mode = luaL_optstring(L, 2, "r");
@ -280,7 +296,7 @@ static int read_line (lua_State *L, FILE *f) {
char *p = luaL_prepbuffer(&b);
if (fgets(p, LUAL_BUFFERSIZE, f) == NULL) { /* eof? */
luaL_pushresult(&b); /* close buffer */
return (lua_strlen(L, -1) > 0); /* check whether read something */
return (lua_objlen(L, -1) > 0); /* check whether read something */
}
l = strlen(p);
if (l == 0 || p[l-1] != '\n')
@ -308,7 +324,7 @@ static int read_chars (lua_State *L, FILE *f, size_t n) {
n -= nr; /* still have to read `n' chars */
} while (n > 0 && nr == rlen); /* until end of count or eof */
luaL_pushresult(&b); /* close buffer */
return (n == 0 || lua_strlen(L, -1) > 0);
return (n == 0 || lua_objlen(L, -1) > 0);
}
@ -502,31 +518,36 @@ static void createstdfile (lua_State *L, FILE *f, int k, const char *fname) {
lua_pushvalue(L, -1);
lua_rawseti(L, LUA_ENVIRONINDEX, k);
}
lua_setfield(L, -2, fname);
lua_pushvalue(L, -2); /* copy environment */
lua_setfenv(L, -2); /* set it */
lua_setfield(L, -3, fname);
}
static void newfenv (lua_State *L, lua_CFunction cls) {
lua_createtable(L, 0, 1);
lua_pushcfunction(L, cls);
lua_setfield(L, -2, "__close");
}
LUALIB_API int luaopen_io (lua_State *L) {
createmeta(L);
/* create (private) environment (with fields IO_INPUT, IO_OUTPUT, __close) */
lua_createtable(L, 2, 1);
newfenv(L, io_fclose);
lua_replace(L, LUA_ENVIRONINDEX);
/* open library */
luaL_register(L, LUA_IOLIBNAME, iolib);
/* create (and set) default files */
newfenv(L, io_noclose); /* close function for default files */
createstdfile(L, stdin, IO_INPUT, "stdin");
createstdfile(L, stdout, IO_OUTPUT, "stdout");
createstdfile(L, stderr, 0, "stderr");
/* create environment for 'popen' */
lua_pop(L, 1); /* pop environment for default files */
lua_getfield(L, -1, "popen");
lua_createtable(L, 0, 1);
lua_pushcfunction(L, io_pclose);
lua_setfield(L, -2, "__close");
lua_setfenv(L, -2);
newfenv(L, io_pclose); /* create environment for 'popen' */
lua_setfenv(L, -2); /* set fenv for 'popen' */
lua_pop(L, 1); /* pop 'popen' */
/* set default close function */
lua_pushcfunction(L, io_fclose);
lua_setfield(L, LUA_ENVIRONINDEX, "__close");
return 1;
}

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@ -1,5 +1,5 @@
/*
** $Id: llex.c,v 2.20 2006/03/09 18:14:31 roberto Exp $
** $Id: llex.c,v 2.20.1.1 2007/12/27 13:02:25 roberto Exp $
** Lexical Analyzer
** See Copyright Notice in lua.h
*/

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@ -1,5 +1,5 @@
/*
** $Id: llex.h,v 1.58 2006/03/23 18:23:32 roberto Exp $
** $Id: llex.h,v 1.58.1.1 2007/12/27 13:02:25 roberto Exp $
** Lexical Analyzer
** See Copyright Notice in lua.h
*/

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@ -1,5 +1,5 @@
/*
** $Id: llimits.h,v 1.69 2005/12/27 17:12:00 roberto Exp $
** $Id: llimits.h,v 1.69.1.1 2007/12/27 13:02:25 roberto Exp $
** Limits, basic types, and some other `installation-dependent' definitions
** See Copyright Notice in lua.h
*/

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@ -1,5 +1,5 @@
/*
** $Id: lmathlib.c,v 1.67 2005/08/26 17:36:32 roberto Exp $
** $Id: lmathlib.c,v 1.67.1.1 2007/12/27 13:02:25 roberto Exp $
** Standard mathematical library
** See Copyright Notice in lua.h
*/

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@ -1,5 +1,5 @@
/*
** $Id: lmem.c,v 1.70 2005/12/26 13:35:47 roberto Exp $
** $Id: lmem.c,v 1.70.1.1 2007/12/27 13:02:25 roberto Exp $
** Interface to Memory Manager
** See Copyright Notice in lua.h
*/

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@ -1,5 +1,5 @@
/*
** $Id: lmem.h,v 1.31 2005/04/25 19:24:10 roberto Exp $
** $Id: lmem.h,v 1.31.1.1 2007/12/27 13:02:25 roberto Exp $
** Interface to Memory Manager
** See Copyright Notice in lua.h
*/

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@ -1,5 +1,5 @@
/*
** $Id: loadlib.c,v 1.54a 2006/07/03 20:16:49 roberto Exp $
** $Id: loadlib.c,v 1.52.1.2 2007/12/28 14:58:43 roberto Exp $
** Dynamic library loader for Lua
** See Copyright Notice in lua.h
**

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@ -1,5 +1,5 @@
/*
** $Id: lobject.c,v 2.22 2006/02/10 17:43:52 roberto Exp $
** $Id: lobject.c,v 2.22.1.1 2007/12/27 13:02:25 roberto Exp $
** Some generic functions over Lua objects
** See Copyright Notice in lua.h
*/

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@ -1,5 +1,5 @@
/*
** $Id: lobject.h,v 2.20 2006/01/18 11:37:34 roberto Exp $
** $Id: lobject.h,v 2.20.1.1 2007/12/27 13:02:25 roberto Exp $
** Type definitions for Lua objects
** See Copyright Notice in lua.h
*/

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@ -1,5 +1,5 @@
/*
** $Id: lopcodes.c,v 1.37 2005/11/08 19:45:36 roberto Exp $
** $Id: lopcodes.c,v 1.37.1.1 2007/12/27 13:02:25 roberto Exp $
** See Copyright Notice in lua.h
*/

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@ -1,5 +1,5 @@
/*
** $Id: lopcodes.h,v 1.125 2006/03/14 19:04:44 roberto Exp $
** $Id: lopcodes.h,v 1.125.1.1 2007/12/27 13:02:25 roberto Exp $
** Opcodes for Lua virtual machine
** See Copyright Notice in lua.h
*/

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@ -1,5 +1,5 @@
/*
** $Id: loslib.c,v 1.20 2006/09/19 13:57:08 roberto Exp $
** $Id: loslib.c,v 1.19.1.3 2008/01/18 16:38:18 roberto Exp $
** Standard Operating System library
** See Copyright Notice in lua.h
*/
@ -215,7 +215,6 @@ static int os_setlocale (lua_State *L) {
static int os_exit (lua_State *L) {
exit(luaL_optint(L, 1, EXIT_SUCCESS));
return 0; /* to avoid warnings */
}
static const luaL_Reg syslib[] = {

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@ -1,5 +1,5 @@
/*
** $Id: lparser.c,v 2.42a 2006/06/05 15:57:59 roberto Exp $
** $Id: lparser.c,v 2.42.1.3 2007/12/28 15:32:23 roberto Exp $
** Lua Parser
** See Copyright Notice in lua.h
*/
@ -938,6 +938,8 @@ static void assignment (LexState *ls, struct LHS_assign *lh, int nvars) {
primaryexp(ls, &nv.v);
if (nv.v.k == VLOCAL)
check_conflict(ls, lh, &nv.v);
luaY_checklimit(ls->fs, nvars, LUAI_MAXCCALLS - ls->L->nCcalls,
"variables in assignment");
assignment(ls, &nv, nvars+1);
}
else { /* assignment -> `=' explist1 */

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@ -1,5 +1,5 @@
/*
** $Id: lparser.h,v 1.57 2006/03/09 18:14:31 roberto Exp $
** $Id: lparser.h,v 1.57.1.1 2007/12/27 13:02:25 roberto Exp $
** Lua Parser
** See Copyright Notice in lua.h
*/

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@ -1,5 +1,5 @@
/*
** $Id: lstate.c,v 2.36 2006/05/24 14:15:50 roberto Exp $
** $Id: lstate.c,v 2.36.1.2 2008/01/03 15:20:39 roberto Exp $
** Global State
** See Copyright Notice in lua.h
*/
@ -93,7 +93,7 @@ static void preinit_state (lua_State *L, global_State *g) {
resethookcount(L);
L->openupval = NULL;
L->size_ci = 0;
L->nCcalls = 0;
L->nCcalls = L->baseCcalls = 0;
L->status = 0;
L->base_ci = L->ci = NULL;
L->savedpc = NULL;
@ -205,7 +205,7 @@ LUA_API void lua_close (lua_State *L) {
do { /* repeat until no more errors */
L->ci = L->base_ci;
L->base = L->top = L->ci->base;
L->nCcalls = 0;
L->nCcalls = L->baseCcalls = 0;
} while (luaD_rawrunprotected(L, callallgcTM, NULL) != 0);
lua_assert(G(L)->tmudata == NULL);
luai_userstateclose(L);

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@ -1,5 +1,5 @@
/*
** $Id: lstate.h,v 2.24 2006/02/06 18:27:59 roberto Exp $
** $Id: lstate.h,v 2.24.1.2 2008/01/03 15:20:39 roberto Exp $
** Global State
** See Copyright Notice in lua.h
*/
@ -112,6 +112,7 @@ struct lua_State {
int stacksize;
int size_ci; /* size of array `base_ci' */
unsigned short nCcalls; /* number of nested C calls */
unsigned short baseCcalls; /* nested C calls when resuming coroutine */
lu_byte hookmask;
lu_byte allowhook;
int basehookcount;

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@ -1,5 +1,5 @@
/*
** $Id: lstring.c,v 2.8 2005/12/22 16:19:56 roberto Exp $
** $Id: lstring.c,v 2.8.1.1 2007/12/27 13:02:25 roberto Exp $
** String table (keeps all strings handled by Lua)
** See Copyright Notice in lua.h
*/

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@ -1,5 +1,5 @@
/*
** $Id: lstring.h,v 1.43 2005/04/25 19:24:10 roberto Exp $
** $Id: lstring.h,v 1.43.1.1 2007/12/27 13:02:25 roberto Exp $
** String table (keep all strings handled by Lua)
** See Copyright Notice in lua.h
*/

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@ -1,5 +1,5 @@
/*
** $Id: lstrlib.c,v 1.132a 2006/04/26 20:41:19 roberto Exp $
** $Id: lstrlib.c,v 1.132.1.3 2007/12/28 15:32:23 roberto Exp $
** Standard library for string operations and pattern-matching
** See Copyright Notice in lua.h
*/
@ -629,10 +629,6 @@ static void add_value (MatchState *ms, luaL_Buffer *b, const char *s,
lua_gettable(L, 3);
break;
}
default: {
luaL_argerror(L, 3, "string/function/table expected");
return;
}
}
if (!lua_toboolean(L, -1)) { /* nil or false? */
lua_pop(L, 1);
@ -648,11 +644,15 @@ static int str_gsub (lua_State *L) {
size_t srcl;
const char *src = luaL_checklstring(L, 1, &srcl);
const char *p = luaL_checkstring(L, 2);
int tr = lua_type(L, 3);
int max_s = luaL_optint(L, 4, srcl+1);
int anchor = (*p == '^') ? (p++, 1) : 0;
int n = 0;
MatchState ms;
luaL_Buffer b;
luaL_argcheck(L, tr == LUA_TNUMBER || tr == LUA_TSTRING ||
tr == LUA_TFUNCTION || tr == LUA_TTABLE, 3,
"string/function/table expected");
luaL_buffinit(L, &b);
ms.L = L;
ms.src_init = src;

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@ -1,5 +1,5 @@
/*
** $Id: ltable.c,v 2.32 2006/01/18 11:49:02 roberto Exp $
** $Id: ltable.c,v 2.32.1.2 2007/12/28 15:32:23 roberto Exp $
** Lua tables (hash)
** See Copyright Notice in lua.h
*/
@ -84,8 +84,8 @@ static const Node dummynode_ = {
static Node *hashnum (const Table *t, lua_Number n) {
unsigned int a[numints];
int i;
n += 1; /* normalize number (avoid -0) */
lua_assert(sizeof(a) <= sizeof(n));
if (luai_numeq(n, 0)) /* avoid problems with -0 */
return gnode(t, 0);
memcpy(a, &n, sizeof(a));
for (i = 1; i < numints; i++) a[0] += a[i];
return hashmod(t, a[0]);

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@ -1,5 +1,5 @@
/*
** $Id: ltable.h,v 2.10 2006/01/10 13:13:06 roberto Exp $
** $Id: ltable.h,v 2.10.1.1 2007/12/27 13:02:25 roberto Exp $
** Lua tables (hash)
** See Copyright Notice in lua.h
*/

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@ -1,5 +1,5 @@
/*
** $Id: ltablib.c,v 1.38 2005/10/23 17:38:15 roberto Exp $
** $Id: ltablib.c,v 1.38.1.2 2007/12/28 15:32:23 roberto Exp $
** Library for Table Manipulation
** See Copyright Notice in lua.h
*/
@ -118,7 +118,8 @@ static int tinsert (lua_State *L) {
static int tremove (lua_State *L) {
int e = aux_getn(L, 1);
int pos = luaL_optint(L, 2, e);
if (e == 0) return 0; /* table is `empty' */
if (!(1 <= pos && pos <= e)) /* position is outside bounds? */
return 0; /* nothing to remove */
luaL_setn(L, 1, e - 1); /* t.n = n-1 */
lua_rawgeti(L, 1, pos); /* result = t[pos] */
for ( ;pos<e; pos++) {

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@ -1,5 +1,5 @@
/*
** $Id: ltm.c,v 2.8 2006/01/10 12:50:00 roberto Exp $
** $Id: ltm.c,v 2.8.1.1 2007/12/27 13:02:25 roberto Exp $
** Tag methods
** See Copyright Notice in lua.h
*/

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@ -1,5 +1,5 @@
/*
** $Id: ltm.h,v 2.6 2005/06/06 13:30:25 roberto Exp $
** $Id: ltm.h,v 2.6.1.1 2007/12/27 13:02:25 roberto Exp $
** Tag methods
** See Copyright Notice in lua.h
*/

392
moo/moolua/lua.c Normal file
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@ -0,0 +1,392 @@
/*
** $Id: lua.c,v 1.160.1.2 2007/12/28 15:32:23 roberto Exp $
** Lua stand-alone interpreter
** See Copyright Notice in lua.h
*/
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define lua_c
#include "lua.h"
#include "lauxlib.h"
#include "lualib.h"
static lua_State *globalL = NULL;
static const char *progname = LUA_PROGNAME;
static void lstop (lua_State *L, lua_Debug *ar) {
(void)ar; /* unused arg. */
lua_sethook(L, NULL, 0, 0);
luaL_error(L, "interrupted!");
}
static void laction (int i) {
signal(i, SIG_DFL); /* if another SIGINT happens before lstop,
terminate process (default action) */
lua_sethook(globalL, lstop, LUA_MASKCALL | LUA_MASKRET | LUA_MASKCOUNT, 1);
}
static void print_usage (void) {
fprintf(stderr,
"usage: %s [options] [script [args]].\n"
"Available options are:\n"
" -e stat execute string " LUA_QL("stat") "\n"
" -l name require library " LUA_QL("name") "\n"
" -i enter interactive mode after executing " LUA_QL("script") "\n"
" -v show version information\n"
" -- stop handling options\n"
" - execute stdin and stop handling options\n"
,
progname);
fflush(stderr);
}
static void l_message (const char *pname, const char *msg) {
if (pname) fprintf(stderr, "%s: ", pname);
fprintf(stderr, "%s\n", msg);
fflush(stderr);
}
static int report (lua_State *L, int status) {
if (status && !lua_isnil(L, -1)) {
const char *msg = lua_tostring(L, -1);
if (msg == NULL) msg = "(error object is not a string)";
l_message(progname, msg);
lua_pop(L, 1);
}
return status;
}
static int traceback (lua_State *L) {
if (!lua_isstring(L, 1)) /* 'message' not a string? */
return 1; /* keep it intact */
lua_getfield(L, LUA_GLOBALSINDEX, "debug");
if (!lua_istable(L, -1)) {
lua_pop(L, 1);
return 1;
}
lua_getfield(L, -1, "traceback");
if (!lua_isfunction(L, -1)) {
lua_pop(L, 2);
return 1;
}
lua_pushvalue(L, 1); /* pass error message */
lua_pushinteger(L, 2); /* skip this function and traceback */
lua_call(L, 2, 1); /* call debug.traceback */
return 1;
}
static int docall (lua_State *L, int narg, int clear) {
int status;
int base = lua_gettop(L) - narg; /* function index */
lua_pushcfunction(L, traceback); /* push traceback function */
lua_insert(L, base); /* put it under chunk and args */
signal(SIGINT, laction);
status = lua_pcall(L, narg, (clear ? 0 : LUA_MULTRET), base);
signal(SIGINT, SIG_DFL);
lua_remove(L, base); /* remove traceback function */
/* force a complete garbage collection in case of errors */
if (status != 0) lua_gc(L, LUA_GCCOLLECT, 0);
return status;
}
static void print_version (void) {
l_message(NULL, LUA_RELEASE " " LUA_COPYRIGHT);
}
static int getargs (lua_State *L, char **argv, int n) {
int narg;
int i;
int argc = 0;
while (argv[argc]) argc++; /* count total number of arguments */
narg = argc - (n + 1); /* number of arguments to the script */
luaL_checkstack(L, narg + 3, "too many arguments to script");
for (i=n+1; i < argc; i++)
lua_pushstring(L, argv[i]);
lua_createtable(L, narg, n + 1);
for (i=0; i < argc; i++) {
lua_pushstring(L, argv[i]);
lua_rawseti(L, -2, i - n);
}
return narg;
}
static int dofile (lua_State *L, const char *name) {
int status = luaL_loadfile(L, name) || docall(L, 0, 1);
return report(L, status);
}
static int dostring (lua_State *L, const char *s, const char *name) {
int status = luaL_loadbuffer(L, s, strlen(s), name) || docall(L, 0, 1);
return report(L, status);
}
static int dolibrary (lua_State *L, const char *name) {
lua_getglobal(L, "require");
lua_pushstring(L, name);
return report(L, docall(L, 1, 1));
}
static const char *get_prompt (lua_State *L, int firstline) {
const char *p;
lua_getfield(L, LUA_GLOBALSINDEX, firstline ? "_PROMPT" : "_PROMPT2");
p = lua_tostring(L, -1);
if (p == NULL) p = (firstline ? LUA_PROMPT : LUA_PROMPT2);
lua_pop(L, 1); /* remove global */
return p;
}
static int incomplete (lua_State *L, int status) {
if (status == LUA_ERRSYNTAX) {
size_t lmsg;
const char *msg = lua_tolstring(L, -1, &lmsg);
const char *tp = msg + lmsg - (sizeof(LUA_QL("<eof>")) - 1);
if (strstr(msg, LUA_QL("<eof>")) == tp) {
lua_pop(L, 1);
return 1;
}
}
return 0; /* else... */
}
static int pushline (lua_State *L, int firstline) {
char buffer[LUA_MAXINPUT];
char *b = buffer;
size_t l;
const char *prmt = get_prompt(L, firstline);
if (lua_readline(L, b, prmt) == 0)
return 0; /* no input */
l = strlen(b);
if (l > 0 && b[l-1] == '\n') /* line ends with newline? */
b[l-1] = '\0'; /* remove it */
if (firstline && b[0] == '=') /* first line starts with `=' ? */
lua_pushfstring(L, "return %s", b+1); /* change it to `return' */
else
lua_pushstring(L, b);
lua_freeline(L, b);
return 1;
}
static int loadline (lua_State *L) {
int status;
lua_settop(L, 0);
if (!pushline(L, 1))
return -1; /* no input */
for (;;) { /* repeat until gets a complete line */
status = luaL_loadbuffer(L, lua_tostring(L, 1), lua_strlen(L, 1), "=stdin");
if (!incomplete(L, status)) break; /* cannot try to add lines? */
if (!pushline(L, 0)) /* no more input? */
return -1;
lua_pushliteral(L, "\n"); /* add a new line... */
lua_insert(L, -2); /* ...between the two lines */
lua_concat(L, 3); /* join them */
}
lua_saveline(L, 1);
lua_remove(L, 1); /* remove line */
return status;
}
static void dotty (lua_State *L) {
int status;
const char *oldprogname = progname;
progname = NULL;
while ((status = loadline(L)) != -1) {
if (status == 0) status = docall(L, 0, 0);
report(L, status);
if (status == 0 && lua_gettop(L) > 0) { /* any result to print? */
lua_getglobal(L, "print");
lua_insert(L, 1);
if (lua_pcall(L, lua_gettop(L)-1, 0, 0) != 0)
l_message(progname, lua_pushfstring(L,
"error calling " LUA_QL("print") " (%s)",
lua_tostring(L, -1)));
}
}
lua_settop(L, 0); /* clear stack */
fputs("\n", stdout);
fflush(stdout);
progname = oldprogname;
}
static int handle_script (lua_State *L, char **argv, int n) {
int status;
const char *fname;
int narg = getargs(L, argv, n); /* collect arguments */
lua_setglobal(L, "arg");
fname = argv[n];
if (strcmp(fname, "-") == 0 && strcmp(argv[n-1], "--") != 0)
fname = NULL; /* stdin */
status = luaL_loadfile(L, fname);
lua_insert(L, -(narg+1));
if (status == 0)
status = docall(L, narg, 0);
else
lua_pop(L, narg);
return report(L, status);
}
/* check that argument has no extra characters at the end */
#define notail(x) {if ((x)[2] != '\0') return -1;}
static int collectargs (char **argv, int *pi, int *pv, int *pe) {
int i;
for (i = 1; argv[i] != NULL; i++) {
if (argv[i][0] != '-') /* not an option? */
return i;
switch (argv[i][1]) { /* option */
case '-':
notail(argv[i]);
return (argv[i+1] != NULL ? i+1 : 0);
case '\0':
return i;
case 'i':
notail(argv[i]);
*pi = 1; /* go through */
case 'v':
notail(argv[i]);
*pv = 1;
break;
case 'e':
*pe = 1; /* go through */
case 'l':
if (argv[i][2] == '\0') {
i++;
if (argv[i] == NULL) return -1;
}
break;
default: return -1; /* invalid option */
}
}
return 0;
}
static int runargs (lua_State *L, char **argv, int n) {
int i;
for (i = 1; i < n; i++) {
if (argv[i] == NULL) continue;
lua_assert(argv[i][0] == '-');
switch (argv[i][1]) { /* option */
case 'e': {
const char *chunk = argv[i] + 2;
if (*chunk == '\0') chunk = argv[++i];
lua_assert(chunk != NULL);
if (dostring(L, chunk, "=(command line)") != 0)
return 1;
break;
}
case 'l': {
const char *filename = argv[i] + 2;
if (*filename == '\0') filename = argv[++i];
lua_assert(filename != NULL);
if (dolibrary(L, filename))
return 1; /* stop if file fails */
break;
}
default: break;
}
}
return 0;
}
static int handle_luainit (lua_State *L) {
const char *init = getenv(LUA_INIT);
if (init == NULL) return 0; /* status OK */
else if (init[0] == '@')
return dofile(L, init+1);
else
return dostring(L, init, "=" LUA_INIT);
}
struct Smain {
int argc;
char **argv;
int status;
};
static int pmain (lua_State *L) {
struct Smain *s = (struct Smain *)lua_touserdata(L, 1);
char **argv = s->argv;
int script;
int has_i = 0, has_v = 0, has_e = 0;
globalL = L;
if (argv[0] && argv[0][0]) progname = argv[0];
lua_gc(L, LUA_GCSTOP, 0); /* stop collector during initialization */
luaL_openlibs(L); /* open libraries */
lua_gc(L, LUA_GCRESTART, 0);
s->status = handle_luainit(L);
if (s->status != 0) return 0;
script = collectargs(argv, &has_i, &has_v, &has_e);
if (script < 0) { /* invalid args? */
print_usage();
s->status = 1;
return 0;
}
if (has_v) print_version();
s->status = runargs(L, argv, (script > 0) ? script : s->argc);
if (s->status != 0) return 0;
if (script)
s->status = handle_script(L, argv, script);
if (s->status != 0) return 0;
if (has_i)
dotty(L);
else if (script == 0 && !has_e && !has_v) {
if (lua_stdin_is_tty()) {
print_version();
dotty(L);
}
else dofile(L, NULL); /* executes stdin as a file */
}
return 0;
}
int main (int argc, char **argv) {
int status;
struct Smain s;
lua_State *L = lua_open(); /* create state */
if (L == NULL) {
l_message(argv[0], "cannot create state: not enough memory");
return EXIT_FAILURE;
}
s.argc = argc;
s.argv = argv;
status = lua_cpcall(L, &pmain, &s);
report(L, status);
lua_close(L);
return (status || s.status) ? EXIT_FAILURE : EXIT_SUCCESS;
}

View File

@ -1,5 +1,5 @@
/*
** $Id: lua.h,v 1.218a 2006/06/02 15:34:00 roberto Exp $
** $Id: lua.h,v 1.218.1.4 2008/01/03 15:41:15 roberto Exp $
** Lua - An Extensible Extension Language
** Lua.org, PUC-Rio, Brazil (http://www.lua.org)
** See Copyright Notice at the end of this file
@ -17,9 +17,9 @@
#define LUA_VERSION "Lua 5.1"
#define LUA_RELEASE "Lua 5.1.2"
#define LUA_RELEASE "Lua 5.1.3"
#define LUA_VERSION_NUM 501
#define LUA_COPYRIGHT "Copyright (C) 1994-2007 Lua.org, PUC-Rio"
#define LUA_COPYRIGHT "Copyright (C) 1994-2008 Lua.org, PUC-Rio"
#define LUA_AUTHORS "R. Ierusalimschy, L. H. de Figueiredo & W. Celes"
@ -294,6 +294,9 @@ LUA_API void lua_setallocf (lua_State *L, lua_Alloc f, void *ud);
#define lua_Chunkwriter lua_Writer
/* hack */
LUA_API void lua_setlevel (lua_State *from, lua_State *to);
/*
** {======================================================================
@ -359,7 +362,7 @@ struct lua_Debug {
/******************************************************************************
* Copyright (C) 1994-2007 Lua.org, PUC-Rio. All rights reserved.
* Copyright (C) 1994-2008 Lua.org, PUC-Rio. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the

200
moo/moolua/luac.c Normal file
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@ -0,0 +1,200 @@
/*
** $Id: luac.c,v 1.54 2006/06/02 17:37:11 lhf Exp $
** Lua compiler (saves bytecodes to files; also list bytecodes)
** See Copyright Notice in lua.h
*/
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define luac_c
#define LUA_CORE
#include "lua.h"
#include "lauxlib.h"
#include "ldo.h"
#include "lfunc.h"
#include "lmem.h"
#include "lobject.h"
#include "lopcodes.h"
#include "lstring.h"
#include "lundump.h"
#define PROGNAME "luac" /* default program name */
#define OUTPUT PROGNAME ".out" /* default output file */
static int listing=0; /* list bytecodes? */
static int dumping=1; /* dump bytecodes? */
static int stripping=0; /* strip debug information? */
static char Output[]={ OUTPUT }; /* default output file name */
static const char* output=Output; /* actual output file name */
static const char* progname=PROGNAME; /* actual program name */
static void fatal(const char* message)
{
fprintf(stderr,"%s: %s\n",progname,message);
exit(EXIT_FAILURE);
}
static void cannot(const char* what)
{
fprintf(stderr,"%s: cannot %s %s: %s\n",progname,what,output,strerror(errno));
exit(EXIT_FAILURE);
}
static void usage(const char* message)
{
if (*message=='-')
fprintf(stderr,"%s: unrecognized option " LUA_QS "\n",progname,message);
else
fprintf(stderr,"%s: %s\n",progname,message);
fprintf(stderr,
"usage: %s [options] [filenames].\n"
"Available options are:\n"
" - process stdin\n"
" -l list\n"
" -o name output to file " 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);
exit(EXIT_FAILURE);
}
#define IS(s) (strcmp(argv[i],s)==0)
static int doargs(int argc, char* argv[])
{
int i;
int version=0;
if (argv[0]!=NULL && *argv[0]!=0) progname=argv[0];
for (i=1; i<argc; i++)
{
if (*argv[i]!='-') /* end of options; keep it */
break;
else if (IS("--")) /* end of options; skip it */
{
++i;
if (version) ++version;
break;
}
else if (IS("-")) /* end of options; use stdin */
break;
else if (IS("-l")) /* list */
++listing;
else if (IS("-o")) /* output file */
{
output=argv[++i];
if (output==NULL || *output==0) usage(LUA_QL("-o") " needs argument");
if (IS("-")) output=NULL;
}
else if (IS("-p")) /* parse only */
dumping=0;
else if (IS("-s")) /* strip debug information */
stripping=1;
else if (IS("-v")) /* show version */
++version;
else /* unknown option */
usage(argv[i]);
}
if (i==argc && (listing || !dumping))
{
dumping=0;
argv[--i]=Output;
}
if (version)
{
printf("%s %s\n",LUA_RELEASE,LUA_COPYRIGHT);
if (version==argc-1) exit(EXIT_SUCCESS);
}
return i;
}
#define toproto(L,i) (clvalue(L->top+(i))->l.p)
static const Proto* combine(lua_State* L, int n)
{
if (n==1)
return toproto(L,-1);
else
{
int i,pc;
Proto* f=luaF_newproto(L);
setptvalue2s(L,L->top,f); incr_top(L);
f->source=luaS_newliteral(L,"=(" PROGNAME ")");
f->maxstacksize=1;
pc=2*n+1;
f->code=luaM_newvector(L,pc,Instruction);
f->sizecode=pc;
f->p=luaM_newvector(L,n,Proto*);
f->sizep=n;
pc=0;
for (i=0; i<n; i++)
{
f->p[i]=toproto(L,i-n-1);
f->code[pc++]=CREATE_ABx(OP_CLOSURE,0,i);
f->code[pc++]=CREATE_ABC(OP_CALL,0,1,1);
}
f->code[pc++]=CREATE_ABC(OP_RETURN,0,1,0);
return f;
}
}
static int writer(lua_State* L, const void* p, size_t size, void* u)
{
UNUSED(L);
return (fwrite(p,size,1,(FILE*)u)!=1) && (size!=0);
}
struct Smain {
int argc;
char** argv;
};
static int pmain(lua_State* L)
{
struct Smain* s = (struct Smain*)lua_touserdata(L, 1);
int argc=s->argc;
char** argv=s->argv;
const Proto* f;
int i;
if (!lua_checkstack(L,argc)) fatal("too many input files");
for (i=0; i<argc; i++)
{
const char* filename=IS("-") ? NULL : argv[i];
if (luaL_loadfile(L,filename)!=0) fatal(lua_tostring(L,-1));
}
f=combine(L,argc);
if (listing) luaU_print(f,listing>1);
if (dumping)
{
FILE* D= (output==NULL) ? stdout : fopen(output,"wb");
if (D==NULL) cannot("open");
lua_lock(L);
luaU_dump(L,f,writer,D,stripping);
lua_unlock(L);
if (ferror(D)) cannot("write");
if (fclose(D)) cannot("close");
}
return 0;
}
int main(int argc, char* argv[])
{
lua_State* L;
struct Smain s;
int i=doargs(argc,argv);
argc-=i; argv+=i;
if (argc<=0) usage("no input files given");
L=lua_open();
if (L==NULL) fatal("not enough memory for state");
s.argc=argc;
s.argv=argv;
if (lua_cpcall(L,pmain,&s)!=0) fatal(lua_tostring(L,-1));
lua_close(L);
return EXIT_SUCCESS;
}

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@ -1,5 +1,5 @@
/*
** $Id: luaconf.h,v 1.82a 2006/04/10 18:27:23 roberto Exp $
** $Id: luaconf.h,v 1.82.1.6 2008/01/18 17:07:48 roberto Exp $
** Configuration file for Lua
** See Copyright Notice in lua.h
*/
@ -442,7 +442,8 @@
** functions. This limit is arbitrary; its only purpose is to stop C
** functions to consume unlimited stack space.
*/
#define LUAI_MAXCSTACK 2048
#define LUAI_MCS_AUX ((int)(INT_MAX / (4*sizeof(LUA_NUMBER))))
#define LUAI_MAXCSTACK (LUAI_MCS_AUX > SHRT_MAX ? SHRT_MAX : LUAI_MCS_AUX)
@ -666,7 +667,7 @@ union luai_Cast { double l_d; long l_l; };
*/
#if defined(LUA_USE_POPEN)
#define lua_popen(L,c,m) ((void)L, popen(c,m))
#define lua_popen(L,c,m) ((void)L, fflush(NULL), popen(c,m))
#define lua_pclose(L,file) ((void)L, (pclose(file) != -1))
#elif defined(LUA_WIN)

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@ -1,5 +1,5 @@
/*
** $Id: lualib.h,v 1.36 2005/12/27 17:12:00 roberto Exp $
** $Id: lualib.h,v 1.36.1.1 2007/12/27 13:02:25 roberto Exp $
** Lua standard libraries
** See Copyright Notice in lua.h
*/

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@ -1,5 +1,5 @@
/*
** $Id: lundump.c,v 1.60 2006/02/16 15:53:49 lhf Exp $
** $Id: lundump.c,v 2.7.1.2 2008/01/18 16:39:11 roberto Exp $
** load precompiled Lua chunks
** See Copyright Notice in lua.h
*/
@ -29,6 +29,7 @@ typedef struct {
#ifdef LUAC_TRUST_BINARIES
#define IF(c,s)
#define error(S,s)
#else
#define IF(c,s) if (c) error(S,s)
@ -47,6 +48,7 @@ static void error(LoadState* S, const char* why)
static void LoadBlock(LoadState* S, void* b, size_t size)
{
size_t r=luaZ_read(S->Z,b,size);
UNUSED(r);
IF (r!=0, "unexpected end");
}
@ -122,7 +124,7 @@ static void LoadConstants(LoadState* S, Proto* f)
setsvalue2n(S->L,o,LoadString(S));
break;
default:
IF (1, "bad constant");
error(S,"bad constant");
break;
}
}

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@ -1,5 +1,5 @@
/*
** $Id: lundump.h,v 1.40 2005/11/11 14:03:13 lhf Exp $
** $Id: lundump.h,v 1.37.1.1 2007/12/27 13:02:25 roberto Exp $
** load precompiled Lua chunks
** See Copyright Notice in lua.h
*/

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@ -1,5 +1,5 @@
/*
** $Id: lvm.c,v 2.63a 2006/06/05 15:58:59 roberto Exp $
** $Id: lvm.c,v 2.63.1.3 2007/12/28 15:32:23 roberto Exp $
** Lua virtual machine
** See Copyright Notice in lua.h
*/
@ -61,12 +61,10 @@ static void traceexec (lua_State *L, const Instruction *pc) {
lu_byte mask = L->hookmask;
const Instruction *oldpc = L->savedpc;
L->savedpc = pc;
if (mask > LUA_MASKLINE) { /* instruction-hook set? */
if (L->hookcount == 0) {
if ((mask & LUA_MASKCOUNT) && L->hookcount == 0) {
resethookcount(L);
luaD_callhook(L, LUA_HOOKCOUNT, -1);
}
}
if (mask & LUA_MASKLINE) {
Proto *p = ci_func(L->ci)->l.p;
int npc = pcRel(pc, p);

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@ -1,5 +1,5 @@
/*
** $Id: lvm.h,v 2.5 2005/08/22 18:54:49 roberto Exp $
** $Id: lvm.h,v 2.5.1.1 2007/12/27 13:02:25 roberto Exp $
** Lua virtual machine
** See Copyright Notice in lua.h
*/

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@ -1,5 +1,5 @@
/*
** $Id: lzio.c,v 1.31 2005/06/03 20:15:29 roberto Exp $
** $Id: lzio.c,v 1.31.1.1 2007/12/27 13:02:25 roberto Exp $
** a generic input stream interface
** See Copyright Notice in lua.h
*/

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@ -1,5 +1,5 @@
/*
** $Id: lzio.h,v 1.21 2005/05/17 19:49:15 roberto Exp $
** $Id: lzio.h,v 1.21.1.1 2007/12/27 13:02:25 roberto Exp $
** Buffered streams
** See Copyright Notice in lua.h
*/