===============================================================================
-Copyright (C) 1994-2008 Lua.org, PUC-Rio.
+Copyright (C) 1994-2012 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
# Lua version and release.
V= 5.1
-R= 5.1.4
+R= 5.1.5
all: $(PLAT)
<HEAD>
<TITLE>Lua 5.1 Reference Manual - contents</TITLE>
<LINK REL="stylesheet" TYPE="text/css" HREF="lua.css">
-<META HTTP-EQUIV="content-type" CONTENT="text/html; charset=iso-8859-1">
+<META HTTP-EQUIV="content-type" CONTENT="text/html; charset=utf-8">
<STYLE TYPE="text/css">
ul {
list-style-type: none ;
- list-style-position: outside ;
}
</STYLE>
</HEAD>
Lua 5.1 Reference Manual
</H1>
-This is an online version of
+<P>
+The reference manual is the official definition of the Lua language.
+For a complete introduction to Lua programming, see the book
+<A HREF="http://www.lua.org/docs.html#pil">Programming in Lua</A>.
+
+<P>
+This manual is also available as a book:
<BLOCKQUOTE>
<A HREF="http://www.amazon.com/exec/obidos/ASIN/8590379833/lua-indexmanual-20">
<IMG SRC="cover.png" ALT="" TITLE="buy from Amazon" BORDER=1 ALIGN="left" HSPACE=12>
<BR>by R. Ierusalimschy, L. H. de Figueiredo, W. Celes
<BR>Lua.org, August 2006
<BR>ISBN 85-903798-3-3
-<BR><A HREF="http://www.amazon.com/exec/obidos/ASIN/8590379833/lua-indexmanual-20">
-<IMG SRC="amazon.gif" ALT="[Buy from Amazon]" BORDER=0></A>
<BR CLEAR="all">
</BLOCKQUOTE>
-<P>
-Buy a copy of this book and
+<P>
+<A HREF="http://www.amazon.com/exec/obidos/ASIN/8590379833/lua-indexmanual-20">Buy a copy</A>
+of this book and
<A HREF="http://www.lua.org/donations.html">help to support</A>
the Lua project.
-<P>
-The reference manual is the official definition of the Lua language.
-For a complete introduction to Lua programming, see the book
-<A HREF="http://www.lua.org/docs.html#books">Programming in Lua</A>.
<P>
-
<A HREF="manual.html">start</A>
·
<A HREF="#contents">contents</A>
·
<A HREF="#index">index</A>
·
-<A HREF="http://www.lua.org/manual/5.1/pt/">português</A>
-·
-<A HREF="http://www.lua.org/manual/5.1/es/">español</A>
+<A HREF="http://www.lua.org/manual/">other versions</A>
<HR>
<SMALL>
-Copyright © 2006-2008 Lua.org, PUC-Rio.
+Copyright © 2006–2012 Lua.org, PUC-Rio.
Freely available under the terms of the
-<a href="http://www.lua.org/license.html#5">Lua license</a>.
+<A HREF="http://www.lua.org/license.html">Lua license</A>.
</SMALL>
-<P>
<H2><A NAME="contents">Contents</A></H2>
<UL style="padding: 0">
-<LI><A HREF="manual.html">1 - Introduction</A>
+<LI><A HREF="manual.html">1 – Introduction</A>
<P>
-<LI><A HREF="manual.html#2">2 - The Language</A>
+<LI><A HREF="manual.html#2">2 – The Language</A>
<UL>
-<LI><A HREF="manual.html#2.1">2.1 - Lexical Conventions</A>
-<LI><A HREF="manual.html#2.2">2.2 - Values and Types</A>
+<LI><A HREF="manual.html#2.1">2.1 – Lexical Conventions</A>
+<LI><A HREF="manual.html#2.2">2.2 – Values and Types</A>
<UL>
-<LI><A HREF="manual.html#2.2.1">2.2.1 - Coercion</A>
+<LI><A HREF="manual.html#2.2.1">2.2.1 – Coercion</A>
</UL>
-<LI><A HREF="manual.html#2.3">2.3 - Variables</A>
-<LI><A HREF="manual.html#2.4">2.4 - Statements</A>
+<LI><A HREF="manual.html#2.3">2.3 – Variables</A>
+<LI><A HREF="manual.html#2.4">2.4 – Statements</A>
<UL>
-<LI><A HREF="manual.html#2.4.1">2.4.1 - Chunks</A>
-<LI><A HREF="manual.html#2.4.2">2.4.2 - Blocks</A>
-<LI><A HREF="manual.html#2.4.3">2.4.3 - Assignment</A>
-<LI><A HREF="manual.html#2.4.4">2.4.4 - Control Structures</A>
-<LI><A HREF="manual.html#2.4.5">2.4.5 - For Statement</A>
-<LI><A HREF="manual.html#2.4.6">2.4.6 - Function Calls as Statements</A>
-<LI><A HREF="manual.html#2.4.7">2.4.7 - Local Declarations</A>
+<LI><A HREF="manual.html#2.4.1">2.4.1 – Chunks</A>
+<LI><A HREF="manual.html#2.4.2">2.4.2 – Blocks</A>
+<LI><A HREF="manual.html#2.4.3">2.4.3 – Assignment</A>
+<LI><A HREF="manual.html#2.4.4">2.4.4 – Control Structures</A>
+<LI><A HREF="manual.html#2.4.5">2.4.5 – For Statement</A>
+<LI><A HREF="manual.html#2.4.6">2.4.6 – Function Calls as Statements</A>
+<LI><A HREF="manual.html#2.4.7">2.4.7 – Local Declarations</A>
</UL>
-<LI><A HREF="manual.html#2.5">2.5 - Expressions</A>
+<LI><A HREF="manual.html#2.5">2.5 – Expressions</A>
<UL>
-<LI><A HREF="manual.html#2.5.1">2.5.1 - Arithmetic Operators</A>
-<LI><A HREF="manual.html#2.5.2">2.5.2 - Relational Operators</A>
-<LI><A HREF="manual.html#2.5.3">2.5.3 - Logical Operators</A>
-<LI><A HREF="manual.html#2.5.4">2.5.4 - Concatenation</A>
-<LI><A HREF="manual.html#2.5.5">2.5.5 - The Length Operator</A>
-<LI><A HREF="manual.html#2.5.6">2.5.6 - Precedence</A>
-<LI><A HREF="manual.html#2.5.7">2.5.7 - Table Constructors</A>
-<LI><A HREF="manual.html#2.5.8">2.5.8 - Function Calls</A>
-<LI><A HREF="manual.html#2.5.9">2.5.9 - Function Definitions</A>
+<LI><A HREF="manual.html#2.5.1">2.5.1 – Arithmetic Operators</A>
+<LI><A HREF="manual.html#2.5.2">2.5.2 – Relational Operators</A>
+<LI><A HREF="manual.html#2.5.3">2.5.3 – Logical Operators</A>
+<LI><A HREF="manual.html#2.5.4">2.5.4 – Concatenation</A>
+<LI><A HREF="manual.html#2.5.5">2.5.5 – The Length Operator</A>
+<LI><A HREF="manual.html#2.5.6">2.5.6 – Precedence</A>
+<LI><A HREF="manual.html#2.5.7">2.5.7 – Table Constructors</A>
+<LI><A HREF="manual.html#2.5.8">2.5.8 – Function Calls</A>
+<LI><A HREF="manual.html#2.5.9">2.5.9 – Function Definitions</A>
</UL>
-<LI><A HREF="manual.html#2.6">2.6 - Visibility Rules</A>
-<LI><A HREF="manual.html#2.7">2.7 - Error Handling</A>
-<LI><A HREF="manual.html#2.8">2.8 - Metatables</A>
-<LI><A HREF="manual.html#2.9">2.9 - Environments</A>
-<LI><A HREF="manual.html#2.10">2.10 - Garbage Collection</A>
+<LI><A HREF="manual.html#2.6">2.6 – Visibility Rules</A>
+<LI><A HREF="manual.html#2.7">2.7 – Error Handling</A>
+<LI><A HREF="manual.html#2.8">2.8 – Metatables</A>
+<LI><A HREF="manual.html#2.9">2.9 – Environments</A>
+<LI><A HREF="manual.html#2.10">2.10 – Garbage Collection</A>
<UL>
-<LI><A HREF="manual.html#2.10.1">2.10.1 - Garbage-Collection Metamethods</A>
-<LI><A HREF="manual.html#2.10.2">2.10.2 - Weak Tables</A>
+<LI><A HREF="manual.html#2.10.1">2.10.1 – Garbage-Collection Metamethods</A>
+<LI><A HREF="manual.html#2.10.2">2.10.2 – Weak Tables</A>
</UL>
-<LI><A HREF="manual.html#2.11">2.11 - Coroutines</A>
+<LI><A HREF="manual.html#2.11">2.11 – Coroutines</A>
</UL>
<P>
-<LI><A HREF="manual.html#3">3 - The Application Program Interface</A>
+<LI><A HREF="manual.html#3">3 – The Application Program Interface</A>
<UL>
-<LI><A HREF="manual.html#3.1">3.1 - The Stack</A>
-<LI><A HREF="manual.html#3.2">3.2 - Stack Size</A>
-<LI><A HREF="manual.html#3.3">3.3 - Pseudo-Indices</A>
-<LI><A HREF="manual.html#3.4">3.4 - C Closures</A>
-<LI><A HREF="manual.html#3.5">3.5 - Registry</A>
-<LI><A HREF="manual.html#3.6">3.6 - Error Handling in C</A>
-<LI><A HREF="manual.html#3.7">3.7 - Functions and Types</A>
-<LI><A HREF="manual.html#3.8">3.8 - The Debug Interface</A>
+<LI><A HREF="manual.html#3.1">3.1 – The Stack</A>
+<LI><A HREF="manual.html#3.2">3.2 – Stack Size</A>
+<LI><A HREF="manual.html#3.3">3.3 – Pseudo-Indices</A>
+<LI><A HREF="manual.html#3.4">3.4 – C Closures</A>
+<LI><A HREF="manual.html#3.5">3.5 – Registry</A>
+<LI><A HREF="manual.html#3.6">3.6 – Error Handling in C</A>
+<LI><A HREF="manual.html#3.7">3.7 – Functions and Types</A>
+<LI><A HREF="manual.html#3.8">3.8 – The Debug Interface</A>
</UL>
<P>
-<LI><A HREF="manual.html#4">4 - The Auxiliary Library</A>
+<LI><A HREF="manual.html#4">4 – The Auxiliary Library</A>
<UL>
-<LI><A HREF="manual.html#4.1">4.1 - Functions and Types</A>
+<LI><A HREF="manual.html#4.1">4.1 – Functions and Types</A>
</UL>
<P>
-<LI><A HREF="manual.html#5">5 - Standard Libraries</A>
+<LI><A HREF="manual.html#5">5 – Standard Libraries</A>
<UL>
-<LI><A HREF="manual.html#5.1">5.1 - Basic Functions</A>
-<LI><A HREF="manual.html#5.2">5.2 - Coroutine Manipulation</A>
-<LI><A HREF="manual.html#5.3">5.3 - Modules</A>
-<LI><A HREF="manual.html#5.4">5.4 - String Manipulation</A>
+<LI><A HREF="manual.html#5.1">5.1 – Basic Functions</A>
+<LI><A HREF="manual.html#5.2">5.2 – Coroutine Manipulation</A>
+<LI><A HREF="manual.html#5.3">5.3 – Modules</A>
+<LI><A HREF="manual.html#5.4">5.4 – String Manipulation</A>
<UL>
-<LI><A HREF="manual.html#5.4.1">5.4.1 - Patterns</A>
+<LI><A HREF="manual.html#5.4.1">5.4.1 – Patterns</A>
</UL>
-<LI><A HREF="manual.html#5.5">5.5 - Table Manipulation</A>
-<LI><A HREF="manual.html#5.6">5.6 - Mathematical Functions</A>
-<LI><A HREF="manual.html#5.7">5.7 - Input and Output Facilities</A>
-<LI><A HREF="manual.html#5.8">5.8 - Operating System Facilities</A>
-<LI><A HREF="manual.html#5.9">5.9 - The Debug Library</A>
+<LI><A HREF="manual.html#5.5">5.5 – Table Manipulation</A>
+<LI><A HREF="manual.html#5.6">5.6 – Mathematical Functions</A>
+<LI><A HREF="manual.html#5.7">5.7 – Input and Output Facilities</A>
+<LI><A HREF="manual.html#5.8">5.8 – Operating System Facilities</A>
+<LI><A HREF="manual.html#5.9">5.9 – The Debug Library</A>
</UL>
<P>
-<LI><A HREF="manual.html#6">6 - Lua Stand-alone</A>
+<LI><A HREF="manual.html#6">6 – Lua Stand-alone</A>
<P>
-<LI><A HREF="manual.html#7">7 - Incompatibilities with the Previous Version</A>
+<LI><A HREF="manual.html#7">7 – Incompatibilities with the Previous Version</A>
<UL>
-<LI><A HREF="manual.html#7.1">7.1 - Changes in the Language</A>
-<LI><A HREF="manual.html#7.2">7.2 - Changes in the Libraries</A>
-<LI><A HREF="manual.html#7.3">7.3 - Changes in the API</A>
+<LI><A HREF="manual.html#7.1">7.1 – Changes in the Language</A>
+<LI><A HREF="manual.html#7.2">7.2 – Changes in the Libraries</A>
+<LI><A HREF="manual.html#7.3">7.3 – Changes in the API</A>
</UL>
<P>
-<LI><A HREF="manual.html#8">8 - The Complete Syntax of Lua</A>
+<LI><A HREF="manual.html#8">8 – The Complete Syntax of Lua</A>
</UL>
<H2><A NAME="index">Index</A></H2>
<H3><A NAME="functions">Lua functions</A></H3>
<A HREF="manual.html#pdf-_G">_G</A><BR>
<A HREF="manual.html#pdf-_VERSION">_VERSION</A><BR>
+<P>
+
<A HREF="manual.html#pdf-assert">assert</A><BR>
<A HREF="manual.html#pdf-collectgarbage">collectgarbage</A><BR>
<A HREF="manual.html#pdf-dofile">dofile</A><BR>
<P>
<HR>
-<SMALL>
+<SMALL CLASS="footer">
Last update:
-Sat Jan 19 13:24:29 BRST 2008
+Mon Feb 13 18:53:32 BRST 2012
</SMALL>
<!--
-Last change: revised for Lua 5.1.3
+Last change: revised for Lua 5.1.5
-->
</BODY>
body {
color: #000000 ;
background-color: #FFFFFF ;
- font-family: sans-serif ;
+ font-family: Helvetica, Arial, sans-serif ;
text-align: justify ;
- margin-right: 20px ;
- margin-left: 20px ;
+ margin-right: 30px ;
+ margin-left: 30px ;
}
h1, h2, h3, h4 {
+ font-family: Verdana, Geneva, sans-serif ;
font-weight: normal ;
font-style: italic ;
}
+h2 {
+ padding-top: 0.4em ;
+ padding-bottom: 0.4em ;
+ padding-left: 30px ;
+ padding-right: 30px ;
+ margin-left: -30px ;
+ background-color: #E0E0FF ;
+}
+
+h3 {
+ padding-left: 0.5em ;
+ border-left: solid #E0E0FF 1em ;
+}
+
+table h3 {
+ padding-left: 0px ;
+ border-left: none ;
+}
+
a:link {
color: #000080 ;
background-color: inherit ;
background-color: #a0a0a0 ;
}
+:target {
+ background-color: #F8F8F8 ;
+ padding: 8px ;
+ border: solid #a0a0a0 2px ;
+}
+
+.footer {
+ color: gray ;
+ font-size: small ;
+}
+
+input[type=text] {
+ border: solid #a0a0a0 2px ;
+ border-radius: 2em ;
+ -moz-border-radius: 2em ;
+ background-image: url('images/search.png') ;
+ background-repeat: no-repeat;
+ background-position: 4px center ;
+ padding-left: 20px ;
+ height: 2em ;
+}
+
h3 code {
font-family: inherit ;
+ font-size: inherit ;
}
-pre {
- font-size: 105% ;
+pre, code {
+ font-size: 12pt ;
}
span.apii {
float: right ;
font-family: inherit ;
+ font-style: normal ;
+ font-size: small ;
+ color: gray ;
}
+p+h1, ul+h1 {
+ padding-top: 0.4em ;
+ padding-bottom: 0.4em ;
+ padding-left: 30px ;
+ margin-left: -30px ;
+ background-color: #E0E0FF ;
+}
by Roberto Ierusalimschy, Luiz Henrique de Figueiredo, Waldemar Celes
<p>
<small>
-Copyright © 2006-2008 Lua.org, PUC-Rio.
+Copyright © 2006–2012 Lua.org, PUC-Rio.
Freely available under the terms of the
-<a href="http://www.lua.org/license.html#5">Lua license</a>.
+<a href="http://www.lua.org/license.html">Lua license</a>.
</small>
<hr>
<p>
<a href="contents.html#contents">contents</A>
·
<a href="contents.html#index">index</A>
+·
+<A HREF="http://www.lua.org/manual/">other versions</A>
<!-- ====================================================================== -->
<p>
-<!-- $Id: manual.of,v 1.48 2008/08/18 15:24:20 roberto Exp $ -->
+<!-- $Id: manual.of,v 1.49.1.2 2012/01/13 20:23:26 roberto Exp $ -->
<ul>
-<li>basic library,</li> which includes the coroutine sub-library;
+<li>basic library, which includes the coroutine sub-library;</li>
<li>package library;</li>
<p>
-<hr><h3><a name="pdf-collectgarbage"><code>collectgarbage (opt [, arg])</code></a></h3>
+<hr><h3><a name="pdf-collectgarbage"><code>collectgarbage ([opt [, arg]])</code></a></h3>
<p>
<ul>
+<li><b>"collect":</b>
+performs a full garbage-collection cycle.
+This is the default option.
+</li>
+
<li><b>"stop":</b>
stops the garbage collector.
</li>
restarts the garbage collector.
</li>
-<li><b>"collect":</b>
-performs a full garbage-collection cycle.
-</li>
-
<li><b>"count":</b>
returns the total memory in use by Lua (in Kbytes).
</li>
<p>
-<hr><h3><a name="pdf-dofile"><code>dofile (filename)</code></a></h3>
+<hr><h3><a name="pdf-dofile"><code>dofile ([filename])</code></a></h3>
Opens the named file and executes its contents as a Lua chunk.
When called without arguments,
<code>dofile</code> executes the contents of the standard input (<code>stdin</code>).
<p>
-<hr><h3><a name="pdf-debug.traceback"><code>debug.traceback ([thread,] [message] [, level])</code></a></h3>
+<hr><h3><a name="pdf-debug.traceback"><code>debug.traceback ([thread,] [message [, level]])</code></a></h3>
<p>
<HR>
-<SMALL>
+<SMALL CLASS="footer">
Last update:
-Mon Aug 18 13:25:46 BRT 2008
+Mon Feb 13 18:54:19 BRST 2012
</SMALL>
<!--
-Last change: revised for Lua 5.1.4
+Last change: revised for Lua 5.1.5
-->
</body></html>
Documentation
</H1>
-This is the documentation included in the source distribution of Lua 5.1.4.
+This is the documentation included in the source distribution of Lua 5.1.5.
<UL>
<LI><A HREF="contents.html">Reference manual</A>
<HR>
<SMALL>
Last update:
-Tue Aug 12 14:46:07 BRT 2008
+Fri Feb 3 09:44:42 BRST 2012
</SMALL>
</BODY>
# grep '^V=' ../Makefile
V= 5.1
# grep '^R=' ../Makefile
-R= 5.1.4
+R= 5.1.5
# grep '^INSTALL_.*=' ../Makefile | sed 's/INSTALL_TOP/prefix/'
prefix= /usr/local
a: $(ALL_A)
$(LUA_A): $(CORE_O) $(LIB_O)
- $(AR) $@ $?
+ $(AR) $@ $(CORE_O) $(LIB_O) # DLL needs all object files
$(RANLIB) $@
$(LUA_T): $(LUA_O) $(LUA_A)
luaL_register(L, "_G", base_funcs);
lua_pushliteral(L, LUA_VERSION);
lua_setglobal(L, "_VERSION"); /* set global _VERSION */
- /* `ipairs' and `pairs' need auxliliary functions as upvalues */
+ /* `ipairs' and `pairs' need auxiliary functions as upvalues */
auxopen(L, "ipairs", luaB_ipairs, ipairsaux);
auxopen(L, "pairs", luaB_pairs, luaB_next);
/* `newproxy' needs a weaktable as upvalue */
/*
-** $Id: lcode.c,v 2.25.1.3 2007/12/28 15:32:23 roberto Exp $
+** $Id: lcode.c,v 2.25.1.5 2011/01/31 14:53:16 roberto Exp $
** Code generator for Lua
** See Copyright Notice in lua.h
*/
pc = NO_JUMP; /* always true; do nothing */
break;
}
- case VFALSE: {
- pc = luaK_jump(fs); /* always jump */
- break;
- }
case VJMP: {
invertjump(fs, e);
pc = e->u.s.info;
pc = NO_JUMP; /* always false; do nothing */
break;
}
- case VTRUE: {
- pc = luaK_jump(fs); /* always jump */
- break;
- }
case VJMP: {
pc = e->u.s.info;
break;
/*
-** $Id: ldblib.c,v 1.104.1.3 2008/01/21 13:11:21 roberto Exp $
+** $Id: ldblib.c,v 1.104.1.4 2009/08/04 18:50:18 roberto Exp $
** Interface from Lua to its debug API
** See Copyright Notice in lua.h
*/
static int db_getfenv (lua_State *L) {
+ luaL_checkany(L, 1);
lua_getfenv(L, 1);
return 1;
}
/*
-** $Id: ldo.c,v 2.38.1.3 2008/01/18 22:31:22 roberto Exp $
+** $Id: ldo.c,v 2.38.1.4 2012/01/18 02:27:10 roberto Exp $
** Stack and Call structure of Lua
** See Copyright Notice in lua.h
*/
int nvar = actual - nfixargs; /* number of extra arguments */
lua_assert(p->is_vararg & VARARG_HASARG);
luaC_checkGC(L);
+ luaD_checkstack(L, p->maxstacksize);
htab = luaH_new(L, nvar, 1); /* create `arg' table */
for (i=0; i<nvar; i++) /* put extra arguments into `arg' table */
setobj2n(L, luaH_setnum(L, htab, i+1), L->top - nvar + i);
/*
-** $Id: lgc.c,v 2.38.1.1 2007/12/27 13:02:25 roberto Exp $
+** $Id: lgc.c,v 2.38.1.2 2011/03/18 18:05:38 roberto Exp $
** Garbage Collector
** See Copyright Notice in lua.h
*/
}
}
else {
- lua_assert(g->totalbytes >= g->estimate);
setthreshold(g);
}
}
/*
-** $Id: liolib.c,v 2.73.1.3 2008/01/18 17:47:43 roberto Exp $
+** $Id: liolib.c,v 2.73.1.4 2010/05/14 15:33:51 roberto Exp $
** Standard I/O (and system) library
** See Copyright Notice in lua.h
*/
lua_pushnumber(L, d);
return 1;
}
- else return 0; /* read fails */
+ else {
+ lua_pushnil(L); /* "result" to be removed */
+ return 0; /* read fails */
+ }
}
/*
-** $Id: llex.c,v 2.20.1.1 2007/12/27 13:02:25 roberto Exp $
+** $Id: llex.c,v 2.20.1.2 2009/11/23 14:58:22 roberto Exp $
** Lexical Analyzer
** See Copyright Notice in lua.h
*/
lua_State *L = ls->L;
TString *ts = luaS_newlstr(L, str, l);
TValue *o = luaH_setstr(L, ls->fs->h, ts); /* entry for `str' */
- if (ttisnil(o))
+ if (ttisnil(o)) {
setbvalue(o, 1); /* make sure `str' will not be collected */
+ luaC_checkGC(L);
+ }
return ts;
}
/*
-** $Id: loadlib.c,v 1.52.1.3 2008/08/06 13:29:28 roberto Exp $
+** $Id: loadlib.c,v 1.52.1.4 2009/09/09 13:17:16 roberto Exp $
** Dynamic library loader for Lua
** See Copyright Notice in lua.h
**
lua_pushvalue(L, -1);
lua_replace(L, LUA_ENVIRONINDEX);
/* create `loaders' table */
- lua_createtable(L, 0, sizeof(loaders)/sizeof(loaders[0]) - 1);
+ lua_createtable(L, sizeof(loaders)/sizeof(loaders[0]) - 1, 0);
/* fill it with pre-defined loaders */
for (i=0; loaders[i] != NULL; i++) {
lua_pushcfunction(L, loaders[i]);
/*
-** $Id: lparser.c,v 2.42.1.3 2007/12/28 15:32:23 roberto Exp $
+** $Id: lparser.c,v 2.42.1.4 2011/10/21 19:31:42 roberto Exp $
** Lua Parser
** See Copyright Notice in lua.h
*/
lua_assert(luaG_checkcode(f));
lua_assert(fs->bl == NULL);
ls->fs = fs->prev;
- L->top -= 2; /* remove table and prototype from the stack */
/* last token read was anchored in defunct function; must reanchor it */
if (fs) anchor_token(ls);
+ L->top -= 2; /* remove table and prototype from the stack */
}
/*
-** $Id: lstrlib.c,v 1.132.1.4 2008/07/11 17:27:21 roberto Exp $
+** $Id: lstrlib.c,v 1.132.1.5 2010/05/14 15:34:19 roberto Exp $
** Standard library for string operations and pattern-matching
** See Copyright Notice in lua.h
*/
static int str_format (lua_State *L) {
+ int top = lua_gettop(L);
int arg = 1;
size_t sfl;
const char *strfrmt = luaL_checklstring(L, arg, &sfl);
else { /* format item */
char form[MAX_FORMAT]; /* to store the format (`%...') */
char buff[MAX_ITEM]; /* to store the formatted item */
- arg++;
+ if (++arg > top)
+ luaL_argerror(L, arg, "no value");
strfrmt = scanformat(L, strfrmt, form);
switch (*strfrmt++) {
case 'c': {
/*
-** $Id: lua.h,v 1.218.1.5 2008/08/06 13:30:12 roberto Exp $
+** $Id: lua.h,v 1.218.1.7 2012/01/13 20:36:20 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
#define LUA_VERSION "Lua 5.1"
-#define LUA_RELEASE "Lua 5.1.4"
+#define LUA_RELEASE "Lua 5.1.5"
#define LUA_VERSION_NUM 501
-#define LUA_COPYRIGHT "Copyright (C) 1994-2008 Lua.org, PUC-Rio"
+#define LUA_COPYRIGHT "Copyright (C) 1994-2012 Lua.org, PUC-Rio"
#define LUA_AUTHORS "R. Ierusalimschy, L. H. de Figueiredo & W. Celes"
/******************************************************************************
-* Copyright (C) 1994-2008 Lua.org, PUC-Rio. All rights reserved.
+* Copyright (C) 1994-2012 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
/*
-** $Id: lvm.c,v 2.63.1.3 2007/12/28 15:32:23 roberto Exp $
+** $Id: lvm.c,v 2.63.1.5 2011/08/17 20:43:11 roberto Exp $
** Lua virtual machine
** See Copyright Notice in lua.h
*/
void luaV_settable (lua_State *L, const TValue *t, TValue *key, StkId val) {
int loop;
+ TValue temp;
for (loop = 0; loop < MAXTAGLOOP; loop++) {
const TValue *tm;
if (ttistable(t)) { /* `t' is a table? */
if (!ttisnil(oldval) || /* result is no nil? */
(tm = fasttm(L, h->metatable, TM_NEWINDEX)) == NULL) { /* or no TM? */
setobj2t(L, oldval, val);
+ h->flags = 0;
luaC_barriert(L, h, val);
return;
}
callTM(L, tm, t, key, val);
return;
}
- t = tm; /* else repeat with `tm' */
+ /* else repeat with `tm' */
+ setobj(L, &temp, tm); /* avoid pointing inside table (may rehash) */
+ t = &temp;
}
luaG_runerror(L, "loop in settable");
}
projects / platform / upstream / lua.git / commitdiff
