# Lua version and release.

V= 5.3

# Targets start here.

all:	$(PLAT)

For installation instructions, license details, and

further information about Lua, see doc/readme.html.

<P>

<SMALL>

Freely available under the terms of the

<A HREF="http://www.lua.org/license.html">Lua license</A>.

</SMALL>

<A HREF="manual.html#pdf-utf8.len">utf8.len</A><BR>

<A HREF="manual.html#pdf-utf8.offset">utf8.offset</A><BR>

<H3><A NAME="env">environment<BR>variables</A></H3>

<P>

<A HREF="manual.html#pdf-LUA_CPATH">LUA_CPATH</A><BR>

<P CLASS="footer">

Last update:

</P>

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<P>

<SMALL>

Freely available under the terms of the

<a href="http://www.lua.org/license.html">Lua license</a>.

</SMALL>

<P CLASS="footer">

Last update:

</P>

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<OL>

<LI>

Open a terminal window and move to

The <TT>Makefile</TT> there controls both the build process and the installation process.

<P>

<LI>

<A HREF="http://www.lua.org/license.html">this</A>.

<BLOCKQUOTE STYLE="padding-bottom: 0em">

<P>

Permission is hereby granted, free of charge, to any person obtaining a copy

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Last update:

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freebsd:

generic: $(ALL)

}

  LClosure *f;

  StkId fi = index2addr(L, fidx);

  api_check(L, ttisLclosure(fi), "Lua function expected");

  f = clLvalue(fi);

  api_check(L, (1 <= n && n <= f->p->sizeupvalues), "invalid upvalue index");

  return &f->upvals[n - 1];  /* get its upvalue pointer */

}

  StkId fi = index2addr(L, fidx);

  switch (ttype(fi)) {

    case LUA_TLCL: {  /* lua closure */

    }

    case LUA_TCCL: {  /* C closure */

      CClosure *f = clCvalue(fi);

LUA_API void lua_upvaluejoin (lua_State *L, int fidx1, int n1,

                                            int fidx2, int n2) {

  luaC_upvdeccount(L, *up1);

  *up1 = *up2;

  (*up1)->refcount++;

    free(ptr);

    return NULL;

  }

}

/*

*/

void luaK_prefix (FuncState *fs, UnOpr op, expdesc *e, int line) {

  static const expdesc ef = {VKINT, {0}, NO_JUMP, NO_JUMP};

static const char *findvararg (CallInfo *ci, int n, StkId *pos) {

  int nparams = clLvalue(ci->func)->p->numparams;

    return NULL;  /* no such vararg */

  else {

    return "(*vararg)";  /* generic name for any vararg */

  }

}

  StkId base;

  if (isLua(ci)) {

    if (n < 0)  /* access to vararg values? */

    else {

      base = ci->u.l.base;

      name = luaF_getlocalname(ci_func(ci)->p, n, currentpc(ci));

  const char *filename = luaL_checkstring(L, 1);

  const char *mode = luaL_optstring(L, 2, "r");

  LStream *p = newprefile(L);

  p->f = l_popen(L, filename, mode);

  p->closef = &io_pclose;

  return (p->f == NULL) ? luaL_fileresult(L, 0, filename) : 1;

/*

*/

  int s = ls->current;

  lua_assert(s == '[' || s == ']');

  save_and_next(ls);

    save_and_next(ls);

    count++;

  }

}

  int line = ls->linenumber;  /* initial line (for error message) */

  save_and_next(ls);  /* skip 2nd '[' */

  if (currIsNewline(ls))  /* string starts with a newline? */

    }

  } endloop:

  if (seminfo)

}

        /* else is a comment */

        next(ls);

        if (ls->current == '[') {  /* long comment? */

          luaZ_resetbuffer(ls->buff);  /* 'skip_sep' may dirty the buffer */

            read_long_string(ls, NULL, sep);  /* skip long comment */

            luaZ_resetbuffer(ls->buff);  /* previous call may dirty the buff. */

            break;

        break;

      }

      case '[': {  /* long string or simply '[' */

          read_long_string(ls, seminfo, sep);

          return TK_STRING;

        }

          lexerror(ls, "invalid long string delimiter", TK_STRING);

        return '[';

      }

** - 'n'/'N' means 'inf' or 'nan' (which should be rejected)

** - '.' just optimizes the search for the common case (nothing special)

** This function accepts both the current locale or a dot as the radix

** locale accepts something else. In that case, the code copies 's'

** to a buffer (because 's' is read-only), changes the dot to the

** current locale radix mark, and tries to convert again.

  fs->bl = NULL;

  f = fs->f;

  f->source = ls->source;

  f->maxstacksize = 2;  /* registers 0/1 are always valid */

  enterblock(fs, bl, 0);

}

  fs->f->is_vararg = 1;  /* main function is always declared vararg */

  init_exp(&v, VLOCAL, 0);  /* create and... */

  newupvalue(fs, ls->envn, &v);  /* ...set environment upvalue */

  luaX_next(ls);  /* read first token */

  statlist(ls);  /* parse main body */

  check(ls, TK_EOS);

  sethvalue(L, L->top, lexstate.h);  /* anchor it */

  luaD_inctop(L);

  funcstate.f = cl->p = luaF_newproto(L);

  funcstate.f->source = luaS_new(L, name);  /* create and anchor TString */

  lua_assert(iswhite(funcstate.f));  /* do not need barrier here */

  lexstate.buff = buff;

/*

** Lua - A Scripting Language

** Lua.org, PUC-Rio, Brazil (http://www.lua.org)

** See Copyright Notice at the end of this file

#define LUA_VERSION_MAJOR	"5"

#define LUA_VERSION_MINOR	"3"

#define LUA_VERSION_NUM		503

#define LUA_VERSION	"Lua " LUA_VERSION_MAJOR "." LUA_VERSION_MINOR

#define LUA_RELEASE	LUA_VERSION "." LUA_VERSION_RELEASE

#define LUA_AUTHORS	"R. Ierusalimschy, L. H. de Figueiredo, W. Celes"

/******************************************************************************

*

* Permission is hereby granted, free of charge, to any person obtaining

* a copy of this software and associated documentation files (the

}

  size_t size = LoadByte(S);

  if (size == 0xFF)

    LoadVar(S, size);

  if (size == 0)

  else if (--size <= LUAI_MAXSHORTLEN) {  /* short string? */

    char buff[LUAI_MAXSHORTLEN];

    LoadVector(S, buff, size);

  }

  else {  /* long string */

    LoadVector(S, getstr(ts), size);  /* load directly in final place */

  }

}

      break;

    case LUA_TSHRSTR:

    case LUA_TLNGSTR:

      break;

    default:

      lua_assert(0);

    f->p[i] = NULL;

  for (i = 0; i < n; i++) {

    f->p[i] = luaF_newproto(S->L);

    LoadFunction(S, f->p[i], f->source);

  }

}

  for (i = 0; i < n; i++)

    f->locvars[i].varname = NULL;

  for (i = 0; i < n; i++) {

    f->locvars[i].startpc = LoadInt(S);

    f->locvars[i].endpc = LoadInt(S);

  }

  n = LoadInt(S);

  for (i = 0; i < n; i++)

}

static void LoadFunction (LoadState *S, Proto *f, TString *psource) {

  if (f->source == NULL)  /* no source in dump? */

    f->source = psource;  /* reuse parent's source */

  f->linedefined = LoadInt(S);

  setclLvalue(L, L->top, cl);

  luaD_inctop(L);

  cl->p = luaF_newproto(L);

  LoadFunction(&S, cl->p, NULL);

  lua_assert(cl->nupvalues == cl->p->sizeupvalues);

  luai_verifycode(L, buff, cl->p);