General purpose macro definitions for my papers

macros.tex

\newcommand{\Sys}{\textsc{P4aig}\xspace}

\newcommand{\Fix}[1]{\textcolor{red}{[#1]}}
\newcommand{\pfour}{\texttt{P4}\xspace}

\newcommand{\CodeIn}[1]{{\small \texttt{#1}}}
\newcommand{\PP}[1]{\noindent {\bf #1}}
\newcommand{\ie}{i.e.,\xspace}

% for drawing the colored circles to mention the figure
%% Ported from Wajih's code
\newcommand*\BC[1]{%
    \begin{tikzpicture}[baseline=(C.base)]
        \node[draw,circle,fill=yyellow,inner sep=0.2pt](C) {\textcolor{black}{#1}};
    \end{tikzpicture}
}

%% lstlisting config


% ----------
% THIS BELOW COPIED FROM vkuncak/doc/vmcai09/defs.tex
\definecolor{gray}{RGB}{211,211,211}
\definecolor{yyellow}{HTML}{FFFF99}
\newcommand{\jbasicstyle}{\scriptsize\sffamily}
\newcommand{\jnumberstyle}{\tiny}
\newcommand{\Hilight}{\makebox[0pt][l]{\color{gray}\rule[-3pt]{0.80\linewidth}{9pt}}}
\lstdefinelanguage{pseudo}{
  morekeywords={if,else,return,map},
    keywordstyle=\bfseries,
  lineskip=-0.1em,
    numbers=none,
  numberstyle=\jnumberstyle,
    numbersep=4pt,
  basicstyle=\scriptsize,
    basicstyle=\jbasicstyle,
  breaklines=true,
    breakautoindent=true,
    commentstyle=\color{dkgreen},
  tabsize=2,
    columns=fullflexible,
  morecomment=*[l][\textsl]{//},
    mathescape=true,
}

\lstdefinelanguage{p4}{
    morekeywords={state, parser, packet_in, out, inout, metadata, standard_metadata_t,
    transition, select, default},
    morecomment=[l]{//},
    morecomment=[s]{/*}{*/},
    morestring=[b]",
}

\definecolor{dkgreen}{rgb}{0,.4,0}
\definecolor{gray}{rgb}{0.5,0.5,0.5}
\definecolor{mauve}{rgb}{0.58,0,0.82}
\definecolor{light-gray}{gray}{0.95} %the shade of grey that stack exchange uses
\newcommand{\cbasicstyle}{\scriptsize\sffamily}
\newcommand{\cnumberstyle}{\tiny}

\lstset{frame=tb,
    language=C,
    backgroundcolor=\color{light-gray},
    aboveskip=0mm,
    belowskip=0mm,
    % showstringspaces=false,
    % columns=flexible,
    numberstyle=\jnumberstyle,
    basicstyle=\scriptsize,
    basicstyle=\jbasicstyle,
    numbers=none,
    numberstyle=\tiny\color{gray},
    keywordstyle=\color{blue},
    commentstyle=\bfseries\color{dkgreen},
    stringstyle=\color{mauve},
    breaklines=true,
    breakatwhitespace=true,
    tabsize=2
}