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Roberto Ierusalimschy
1998-01-09 12:57:43 -02:00
parent 0e1058cfdd
commit 6ac047afc4
6 changed files with 27 additions and 30 deletions
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manual.tex
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@@ -1,4 +1,4 @@
% $Id: manual.tex,v 1.2 1998/01/06 19:17:31 roberto Exp roberto $
% $Id: manual.tex,v 1.3 1998/01/07 16:26:48 roberto Exp roberto $
\documentstyle[fullpage,11pt,bnf]{article}
@@ -38,7 +38,7 @@ Waldemar Celes
\tecgraf\ --- Computer Science Department --- PUC-Rio
}
\date{\small \verb$Date: 1998/01/06 19:17:31 $}
\date{\small \verb$Date: 1998/01/07 16:26:48 $}
\maketitle
@@ -1658,9 +1658,9 @@ void lua_pushCclosure (lua_CFunction fn, int n);
\end{verbatim}
is used to put the C function on C2lua,
with the argument \verb|n| telling how many upvalues must be
associated with the function
(notice that the macro \verb|lua_pushcfunction| is defined as
\verb|lua_pushCclosure| with \verb|n| set to 0).
associated with the function;
in fact, the macro \verb|lua_pushcfunction| is defined as
\verb|lua_pushCclosure| with \verb|n| set to 0.
Then, any time the function is called,
these upvalues are inserted as the first arguments to the function,
before the actual arguments provided in the call.
@@ -1718,10 +1718,11 @@ Currently there are three standard libraries:
\item mathematical functions (sin, log, etc);
\item input and output (plus some system facilities).
\end{itemize}
In order to have access to these libraries,
To have access to these libraries,
the C host program must call the functions
\verb|lua_strlibopen|, \verb|lua_mathlibopen|, and \verb|lua_iolibopen|,
declared in \verb|lualib.h|.
\verb|lua_strlibopen|, \verb|lua_mathlibopen|,
and \verb|lua_iolibopen|, declared in \verb|lualib.h|.
\Deffunc{lua_strlibopen}\Deffunc{lua_mathlibopen}\Deffunc{lua_iolibopen}.
\subsection{Predefined Functions} \label{predefined}
@@ -2708,11 +2709,11 @@ Here is a list of all these incompatibilities.
\subsection*{Incompatibilities with \Index{version 3.0}}
\begin{itemize}
\item To support for multiple contexts,
the whole library must be explicitly opened before used.
\item To support multiple contexts,
Lua 3.1 must be explicitly opened before used.
However, all standard libraries check whether Lua is already opened,
so any program that opens at least one standard library before using
Lua API does not need to be corrected.
Lua API does not need to be modified.
\item Function \verb|dostring| does not accept an optional second argument,
with a temporary error method.
@@ -2725,7 +2726,8 @@ Closures make this feature irrelevant.
\item The syntax for function declaration is now more restricted;
for instance, the old syntax \verb|function f[exp] (x) ... end| is not
accepted in 3.1.
Programs should use an explicit assignment instead, like this:
In these cases,
programs should use an explicit assignment instead, like
\verb|f[exp] = function (x) ... end|.
\item Old pre-compiled code is obsolete, and must be re-compiled.