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global table is also pseudo-index
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manual.tex
17
manual.tex
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@ -1,4 +1,4 @@
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% $Id: manual.tex,v 1.51 2001/07/24 17:25:03 roberto Exp roberto $
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% $Id: manual.tex,v 1.53 2001/10/31 18:06:05 roberto Exp roberto $
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\documentclass[11pt,twoside,draft]{article}
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\usepackage{fullpage}
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@ -138,7 +138,7 @@ Waldemar Celes
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\tecgraf\ --- Computer Science Department --- PUC-Rio
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}
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%\date{{\small \tt\$Date: 2001/07/24 17:25:03 $ $}}
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%\date{{\small \tt\$Date: 2001/10/31 18:06:05 $ $}}
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\maketitle
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@ -1869,8 +1869,8 @@ any function that accepts valid indices can also be called with
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which represent some Lua values that are accessible to the C~code
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but are not in the stack.
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Pseudo-indices are used to access the registry
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and the upvalues of a C function \see{c-closure}.
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Pseudo-indices are used to access the table of globals \see{globals},
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the registry, and the upvalues of a C function \see{c-closure}.
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\subsection{Stack Manipulation}
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The API offers the following functions for basic stack manipulation:
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@ -2240,7 +2240,7 @@ The compiled chunk is left as a function on top of the stack.
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The return values are the same as those of
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\verb|lua_dofile| and \verb|lua_dobuffer|.
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\subsection{Manipulating Global Variables}
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\subsection{Manipulating Global Variables} \label{globals}
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To read the value of a global Lua variable,
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you call
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@ -2275,12 +2275,7 @@ use \verb|lua_rawset| over the table of globals
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(see below).
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All global variables are kept in an ordinary Lua table.
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You can get this table calling
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\begin{verbatim}
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void lua_getglobals (lua_State *L);
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\end{verbatim}
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\DefAPI{lua_getglobals}
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which pushes the current table of globals onto the stack.
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This table is always at pseudo-index \IndexAPI{LUA_GLOBALSINDEX}.
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To set another table as the table of globals,
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you call
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\begin{verbatim}
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