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\defmodule{tcode}
\iffalse
Le programme {\tt tcode} permet de produire du code compilable
\`a partir d'une documentation destin\'ee \`a TEX ou LATEX.
Il produit un fichier {\tt FOut} destin\'e \`a un compilateur tel que Modula-2
(ou autre), \`a partir d'un fichier {\tt FIn} re\c cu \`a l'entr\'ee.
Les noms de ces deux fichiers sont donn\'es par l'usager, avec l'extension,
lors de l'appel du programme.
N'appara\^\i tront dans le second fichier que les parties se trouvant entre
les d\'elimiteurs {\tt\bs{code}} et {\tt\bs{endcode}}.
Toutes les autres commandes TEX et LATEX, m\^eme \`a l'int\'erieur de ces
d\'elimiteurs, seront aussi enlev\'ees.
L'appel se fait sous la forme:
\fi
Program {\tt tcode} makes compilable code from a \TeX\ or \LaTeX\ document. It
creates a file {\tt FOut} for a compiler like cc (or any other), starting
from a file {\tt FIn}. The names of these two files must be given by the user,
with appropriate extension, when calling the program.
The two file names (with the extension) must be different.
Only the text included between the {\tt\bs{code}} and
{\tt\bs{endcode}} delimiters will appear in the second file. Only the following
\LaTeX\ commands can appear between {\tt\bs{code}} and {\tt\bs{endcode}}:
\begin{verse}
{\tt\bs{hide}}, {\tt\bs{endhide}}, {\tt\bs{iffalse}}, {\tt\bs{fi}},
{\tt\bs{smallcode}}, {\tt\bs{smallc}}.
\end{verse}
Everything else between
{\tt\bs{code}} and {\tt\bs{endcode}} must be legal code in the
output file, apart from two exceptions: the \TeX\ command
{\tt\bs{def}\bs{code}}, defining {\tt\bs{code}} will not start a region
of valid code, nor will {\tt\bs{code}} appearing on a line after a
\TeX\ comment character {\tt\%}.
If one wants code to appear in the compilable file, but
be invisible in the {\tt dvi} file obtained from processing the {\tt tex}
file with \LaTeX, one should put this code between the delimiters
{\tt\bs{hide}} and {\tt\bs{endhide}}, or between the delimiters
{\tt\bs{iffalse}} and {\tt\bs{fi}}.
The program is called by:
\begin {center}\tt
tcode \ $\langle$FIn$\rangle$ \ $\langle$FOut$\rangle$
\end {center}
\iffalse
Les deux noms de fichiers (avec l'extension) doivent \^etre diff\'erents.
Par exemple, si le fichier destin\'e \`a \LaTeX\ est {\tt chrono.tex} et
que l'on veut en extraire le code compilable et placer ce dernier dans
{\tt chrono.h} (module de d\'efinition), on utilisera la commande:
\fi
\paragraph{Examples:}
If one wants
to extract the {\it C} code from the \LaTeX\ file {\tt chrono.tex},
and place it in
the header file {\tt chrono.h}, the following
command should be used:
\begin {center}\tt
tcode \ chrono.tex \ chrono.h
\end {center}
To extract {\it Java} code from the \LaTeX\ file {\tt Event.tex},
and place it in the file {\tt Event.java}, one must use:
\begin {center}\tt
tcode \ Event.tex \ Event.java
\end {center}
%
%To extract the {\it Modula-2} DEFINITION module from the \LaTeX\ file
% {\tt BIN.tex},
%and place it in the file {\tt BIN.def}, one must use:
%
%\begin {center}\tt
% tcode \ BIN.tex \ BIN.def
%\end {center}
%
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