Release coccinelle-0.1.8

[bpt/coccinelle.git] / docs / grammar / tips.tex

diff --git a/docs/grammar/tips.tex b/docs/grammar/tips.tex
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-
-\section{Tips and Tricks}
-
-\subsection{How to remove useless parentheses?}
-
-If you want to rewrite any access to a pointer value by a function
-call, you may use the following semantic patch.
-
-\begin{lstlisting}[language=Cocci]
-@-- a = *b
-@++ a = readb(b)
-\end{lstlisting}
-
-However, if for some reason your code looks like \verb|bar = *(foo)|,
-you will end up with \verb|bar = readb((foo))| as the extra
-parentheses around \texttt{foo} are capture by the metavariable
-\texttt{b}.
-
-In order to generate better output code, you can use the following
-semantic patch instead.
-\begin{lstlisting}[language=Cocci]
-@-- a = *(b)
-@++ a = readb(b)
-\end{lstlisting}
-
-\noindent
-And rely on your standard.iso isomorphism file which should contain:
-\begin{lstlisting}[language=Cocci]
-Expression
-@ paren @
-expression E;
-@@
-
- (E) => E
-\end{lstlisting}
-
-Coccinelle will then consider \verb|bar = *(foo)| as equivalent to
-\verb|bar = *foo| (but not the other way around) and capture both.
-Finally, it will generate \verb|bar = readb(foo)| as expected.
-
-%%% Local Variables:
-%%% mode: LaTeX
-%%% TeX-master: "cocci_syntax"
-%%% coding: latin-9
-%%% TeX-PDF-mode: t
-%%% ispell-local-dictionary: "american"
-%%% End: