LaTeX listings: add support for Scala

ExtraSettings.tex

% Other listings-related settings from
% http://lampsvn.epfl.ch/trac/scala/export/26099/scala-tool-support/trunk/src/latex/scaladoc.sty
% activate the language and predefine settings
\lstset{
    language=Scala,%
    xleftmargin=4mm,%
    aboveskip=3mm,%
    belowskip=3mm,%
    fontadjust=true,%
    columns=[c]fixed,%
    keepspaces=true,%
    basewidth={0.58em, 0.53em},%
    tabsize=2,%
    basicstyle=\renewcommand{\baselinestretch}{0.95}\ttfamily,%
    commentstyle=\itshape,%
    keywordstyle=\bfseries,%
    mathescape=true,%
    escapechar=¤,%
    captionpos=b,%
    framerule=0.3pt,%
    firstnumber=0,%
    numbersep=1.5mm,%
    numberstyle=\tiny,%
}

\lstdefinestyle{floating}{%
    xleftmargin=10pt,%
    xrightmargin=5pt,%
    aboveskip=4mm,%
    belowskip=4mm,%
    fontadjust=true,%
    columns=[c]flexible,%
    keepspaces=true,%
    basewidth={0.5em, 0.425em},%
    tabsize=2,%
    basicstyle=\renewcommand{\baselinestretch}{0.95}\ttfamily,%
    commentstyle=\rm,%
    keywordstyle=\bfseries,%
    mathescape=true,%
    captionpos=b,%
    framerule=0.3pt,%
    firstnumber=0,%
    numbersep=1.5mm,%
    numberstyle=\tiny,%
    float=tbp,%
    frame=tblr,%
    framesep=5pt,%
    framexleftmargin=3pt,%
    abovecaptionskip=\smallskipamount,%
    belowcaptionskip=\smallskipamount,%
} % to define: caption, label

\newcommand{\code}[1]{%
    \lstinline[%keywordstyle=,%
               flexiblecolumns=true,%
               basicstyle=\ttfamily]£#1£}

scalamacros.tex

% To activate Scala support for the listings package, include this file with:
% \input{scalamacros.tex}

% This file includes code from the Scala distribution (package scala-tool-support), hence it is released
% under a BSD-like license - original download page: http://www.scala-lang.org/downloads
% The license itself: http://www.scala-lang.org/node/146

\usepackage{listings}

% Merged from http://tihlde.org/~eivindw/latex-listings-for-scala/ and 
% http://lampsvn.epfl.ch/trac/scala/export/26099/scala-tool-support/trunk/src/latex/scaladoc.sty
% "define" Scala
%Keyword list taken from the scaladoc definition.
\lstdefinelanguage{scala}{
  morekeywords={%
          abstract,case,catch,class,def,do,else,extends,%
          false,final,finally,for,forSome,if,implicit,import,lazy,%
          match,new,null,object,override,package,private,protected,%
          return,sealed,super,this,throw,trait,true,try,type,%
          val,var,while,with,yield},
  otherkeywords={=>,<-,<\%,<:,>:,\#,@},
  sensitive=true,
  morecomment=[l]{//},
  morecomment=[n]{/*}{*/},
  morestring=[b]",
  morestring=[b]',
  morestring=[b]"""
}[keywords,comments,strings]

% activate the language and predefine settings
\lstset{language=Scala}